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Commit | Line | Data |
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31e31b8a FB |
1 | /* |
2 | * Linux syscalls | |
5fafdf24 | 3 | * |
31e31b8a FB |
4 | * Copyright (c) 2003 Fabrice Bellard |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
8167ee88 | 17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
31e31b8a | 18 | */ |
d5b3a9b6 | 19 | #define _ATFILE_SOURCE |
d39594e9 | 20 | #include "qemu/osdep.h" |
f348b6d1 VB |
21 | #include "qemu/cutils.h" |
22 | #include "qemu/path.h" | |
9bdfa4d2 | 23 | #include "qemu/memfd.h" |
dc5e9ac7 | 24 | #include "qemu/queue.h" |
720ace24 | 25 | #include "qemu/plugin.h" |
d7ec12f8 | 26 | #include "tcg/startup.h" |
fe080593 | 27 | #include "target_mman.h" |
74781c08 | 28 | #include "exec/page-protection.h" |
31e31b8a FB |
29 | #include <elf.h> |
30 | #include <endian.h> | |
c56dc774 | 31 | #include <grp.h> |
d08d3bb8 TS |
32 | #include <sys/ipc.h> |
33 | #include <sys/msg.h> | |
31e31b8a | 34 | #include <sys/wait.h> |
31e31b8a | 35 | #include <sys/mount.h> |
586b0bef JS |
36 | #include <sys/file.h> |
37 | #include <sys/fsuid.h> | |
38 | #include <sys/personality.h> | |
39b9aae1 | 39 | #include <sys/prctl.h> |
31e31b8a | 40 | #include <sys/resource.h> |
31e31b8a | 41 | #include <sys/swap.h> |
e0eb210e | 42 | #include <linux/capability.h> |
31e31b8a | 43 | #include <sched.h> |
19f59bce | 44 | #include <sys/timex.h> |
31e31b8a | 45 | #include <sys/socket.h> |
6d5d5dde | 46 | #include <linux/sockios.h> |
607175e0 | 47 | #include <sys/un.h> |
31e31b8a | 48 | #include <sys/uio.h> |
0839f11c | 49 | #include <poll.h> |
32f36bce | 50 | #include <sys/times.h> |
8853f86e | 51 | #include <sys/shm.h> |
fa294816 | 52 | #include <sys/sem.h> |
56c8f68f | 53 | #include <sys/statfs.h> |
ebc05488 | 54 | #include <utime.h> |
a5448a7d | 55 | #include <sys/sysinfo.h> |
e36800c9 | 56 | #include <sys/signalfd.h> |
72f03900 | 57 | //#include <sys/user.h> |
22db1213 | 58 | #include <netinet/in.h> |
8853f86e | 59 | #include <netinet/ip.h> |
7854b056 | 60 | #include <netinet/tcp.h> |
fe51b0a5 | 61 | #include <netinet/udp.h> |
86fcd946 | 62 | #include <linux/wireless.h> |
920394db | 63 | #include <linux/icmp.h> |
ee1ac3a1 | 64 | #include <linux/icmpv6.h> |
6addf06a | 65 | #include <linux/if_tun.h> |
22db1213 | 66 | #include <linux/in6.h> |
ee1ac3a1 | 67 | #include <linux/errqueue.h> |
d6d6d6fe | 68 | #include <linux/random.h> |
d80a1905 RV |
69 | #ifdef CONFIG_TIMERFD |
70 | #include <sys/timerfd.h> | |
71 | #endif | |
c2882b96 RV |
72 | #ifdef CONFIG_EVENTFD |
73 | #include <sys/eventfd.h> | |
74 | #endif | |
3b6edd16 PM |
75 | #ifdef CONFIG_EPOLL |
76 | #include <sys/epoll.h> | |
77 | #endif | |
a790ae38 | 78 | #ifdef CONFIG_ATTR |
1de7afc9 | 79 | #include "qemu/xattr.h" |
a790ae38 | 80 | #endif |
a8fd1aba PM |
81 | #ifdef CONFIG_SENDFILE |
82 | #include <sys/sendfile.h> | |
83 | #endif | |
4a9d5f89 | 84 | #ifdef HAVE_SYS_KCOV_H |
bd27e675 AM |
85 | #include <sys/kcov.h> |
86 | #endif | |
31e31b8a FB |
87 | |
88 | #define termios host_termios | |
89 | #define winsize host_winsize | |
90 | #define termio host_termio | |
04369ff2 FB |
91 | #define sgttyb host_sgttyb /* same as target */ |
92 | #define tchars host_tchars /* same as target */ | |
93 | #define ltchars host_ltchars /* same as target */ | |
31e31b8a FB |
94 | |
95 | #include <linux/termios.h> | |
96 | #include <linux/unistd.h> | |
31e31b8a FB |
97 | #include <linux/cdrom.h> |
98 | #include <linux/hdreg.h> | |
99 | #include <linux/soundcard.h> | |
19b84f3c | 100 | #include <linux/kd.h> |
8fbd6b52 | 101 | #include <linux/mtio.h> |
350d1779 | 102 | #include <linux/fs.h> |
ab22b4dd | 103 | #include <linux/fd.h> |
dace20dc | 104 | #if defined(CONFIG_FIEMAP) |
285da2b9 | 105 | #include <linux/fiemap.h> |
dace20dc | 106 | #endif |
f7680a55 | 107 | #include <linux/fb.h> |
6c753a63 CT |
108 | #if defined(CONFIG_USBFS) |
109 | #include <linux/usbdevice_fs.h> | |
a133367e | 110 | #include <linux/usb/ch9.h> |
6c753a63 | 111 | #endif |
f7680a55 | 112 | #include <linux/vt.h> |
56e904ec | 113 | #include <linux/dm-ioctl.h> |
c07ecc68 | 114 | #include <linux/reboot.h> |
7ff7b666 | 115 | #include <linux/route.h> |
f57d4192 | 116 | #include <linux/filter.h> |
fff8c539 | 117 | #include <linux/blkpg.h> |
a82ea939 | 118 | #include <netpacket/packet.h> |
6c5b5645 | 119 | #include <linux/netlink.h> |
f31dddd2 | 120 | #include <linux/if_alg.h> |
68365f96 | 121 | #include <linux/rtc.h> |
1c4c6fcd | 122 | #include <sound/asound.h> |
48f670ec | 123 | #ifdef HAVE_BTRFS_H |
d6092e08 FB |
124 | #include <linux/btrfs.h> |
125 | #endif | |
e865b97f CG |
126 | #ifdef HAVE_DRM_H |
127 | #include <libdrm/drm.h> | |
913b03c2 | 128 | #include <libdrm/i915_drm.h> |
e865b97f | 129 | #endif |
d7e4036e | 130 | #include "linux_loop.h" |
18cb0088 | 131 | #include "uname.h" |
31e31b8a | 132 | |
3ef693a0 | 133 | #include "qemu.h" |
3b249d26 | 134 | #include "user-internals.h" |
a44d57a3 | 135 | #include "strace.h" |
2113aed6 | 136 | #include "signal-common.h" |
3ad0a769 | 137 | #include "loader.h" |
5423e6d3 | 138 | #include "user-mmap.h" |
bbf15aaf | 139 | #include "user/safe-syscall.h" |
5ebdd774 | 140 | #include "qemu/guest-random.h" |
01ef6b9e | 141 | #include "qemu/selfmap.h" |
c36f7a64 | 142 | #include "user/syscall-trace.h" |
5da4063f | 143 | #include "special-errno.h" |
51977e25 | 144 | #include "qapi/error.h" |
f7e6a401 | 145 | #include "fd-trans.h" |
bd5ccd61 | 146 | #include "cpu_loop-common.h" |
31e31b8a | 147 | |
5ea2fc84 PM |
148 | #ifndef CLONE_IO |
149 | #define CLONE_IO 0x80000000 /* Clone io context */ | |
150 | #endif | |
151 | ||
152 | /* We can't directly call the host clone syscall, because this will | |
153 | * badly confuse libc (breaking mutexes, for example). So we must | |
154 | * divide clone flags into: | |
155 | * * flag combinations that look like pthread_create() | |
156 | * * flag combinations that look like fork() | |
157 | * * flags we can implement within QEMU itself | |
158 | * * flags we can't support and will return an error for | |
159 | */ | |
160 | /* For thread creation, all these flags must be present; for | |
161 | * fork, none must be present. | |
162 | */ | |
163 | #define CLONE_THREAD_FLAGS \ | |
164 | (CLONE_VM | CLONE_FS | CLONE_FILES | \ | |
165 | CLONE_SIGHAND | CLONE_THREAD | CLONE_SYSVSEM) | |
166 | ||
167 | /* These flags are ignored: | |
168 | * CLONE_DETACHED is now ignored by the kernel; | |
169 | * CLONE_IO is just an optimisation hint to the I/O scheduler | |
170 | */ | |
171 | #define CLONE_IGNORED_FLAGS \ | |
172 | (CLONE_DETACHED | CLONE_IO) | |
173 | ||
895ce8bb HD |
174 | #ifndef CLONE_PIDFD |
175 | # define CLONE_PIDFD 0x00001000 | |
176 | #endif | |
177 | ||
5ea2fc84 PM |
178 | /* Flags for fork which we can implement within QEMU itself */ |
179 | #define CLONE_OPTIONAL_FORK_FLAGS \ | |
895ce8bb | 180 | (CLONE_SETTLS | CLONE_PARENT_SETTID | CLONE_PIDFD | \ |
5ea2fc84 PM |
181 | CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID) |
182 | ||
183 | /* Flags for thread creation which we can implement within QEMU itself */ | |
184 | #define CLONE_OPTIONAL_THREAD_FLAGS \ | |
185 | (CLONE_SETTLS | CLONE_PARENT_SETTID | \ | |
186 | CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID | CLONE_PARENT) | |
187 | ||
188 | #define CLONE_INVALID_FORK_FLAGS \ | |
189 | (~(CSIGNAL | CLONE_OPTIONAL_FORK_FLAGS | CLONE_IGNORED_FLAGS)) | |
190 | ||
191 | #define CLONE_INVALID_THREAD_FLAGS \ | |
192 | (~(CSIGNAL | CLONE_THREAD_FLAGS | CLONE_OPTIONAL_THREAD_FLAGS | \ | |
193 | CLONE_IGNORED_FLAGS)) | |
194 | ||
195 | /* CLONE_VFORK is special cased early in do_fork(). The other flag bits | |
196 | * have almost all been allocated. We cannot support any of | |
197 | * CLONE_NEWNS, CLONE_NEWCGROUP, CLONE_NEWUTS, CLONE_NEWIPC, | |
198 | * CLONE_NEWUSER, CLONE_NEWPID, CLONE_NEWNET, CLONE_PTRACE, CLONE_UNTRACED. | |
199 | * The checks against the invalid thread masks above will catch these. | |
200 | * (The one remaining unallocated bit is 0x1000 which used to be CLONE_PID.) | |
201 | */ | |
30813cea | 202 | |
71a8f7fe TB |
203 | /* Define DEBUG_ERESTARTSYS to force every syscall to be restarted |
204 | * once. This exercises the codepaths for restart. | |
205 | */ | |
206 | //#define DEBUG_ERESTARTSYS | |
31e31b8a | 207 | |
1a9353d2 | 208 | //#include <linux/msdos_fs.h> |
540a736f RH |
209 | #define VFAT_IOCTL_READDIR_BOTH \ |
210 | _IOC(_IOC_READ, 'r', 1, (sizeof(struct linux_dirent) + 256) * 2) | |
211 | #define VFAT_IOCTL_READDIR_SHORT \ | |
212 | _IOC(_IOC_READ, 'r', 2, (sizeof(struct linux_dirent) + 256) * 2) | |
1a9353d2 | 213 | |
70a194b9 FB |
214 | #undef _syscall0 |
215 | #undef _syscall1 | |
216 | #undef _syscall2 | |
217 | #undef _syscall3 | |
218 | #undef _syscall4 | |
219 | #undef _syscall5 | |
83fcb515 | 220 | #undef _syscall6 |
70a194b9 | 221 | |
83fcb515 | 222 | #define _syscall0(type,name) \ |
8fcd3692 | 223 | static type name (void) \ |
83fcb515 FB |
224 | { \ |
225 | return syscall(__NR_##name); \ | |
226 | } | |
70a194b9 | 227 | |
83fcb515 | 228 | #define _syscall1(type,name,type1,arg1) \ |
8fcd3692 | 229 | static type name (type1 arg1) \ |
83fcb515 FB |
230 | { \ |
231 | return syscall(__NR_##name, arg1); \ | |
70a194b9 FB |
232 | } |
233 | ||
83fcb515 | 234 | #define _syscall2(type,name,type1,arg1,type2,arg2) \ |
8fcd3692 | 235 | static type name (type1 arg1,type2 arg2) \ |
83fcb515 FB |
236 | { \ |
237 | return syscall(__NR_##name, arg1, arg2); \ | |
70a194b9 FB |
238 | } |
239 | ||
83fcb515 | 240 | #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ |
8fcd3692 | 241 | static type name (type1 arg1,type2 arg2,type3 arg3) \ |
83fcb515 FB |
242 | { \ |
243 | return syscall(__NR_##name, arg1, arg2, arg3); \ | |
70a194b9 FB |
244 | } |
245 | ||
83fcb515 | 246 | #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ |
8fcd3692 | 247 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \ |
83fcb515 FB |
248 | { \ |
249 | return syscall(__NR_##name, arg1, arg2, arg3, arg4); \ | |
70a194b9 FB |
250 | } |
251 | ||
83fcb515 FB |
252 | #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ |
253 | type5,arg5) \ | |
8fcd3692 | 254 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \ |
83fcb515 FB |
255 | { \ |
256 | return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \ | |
70a194b9 FB |
257 | } |
258 | ||
83fcb515 FB |
259 | |
260 | #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ | |
261 | type5,arg5,type6,arg6) \ | |
8fcd3692 BS |
262 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \ |
263 | type6 arg6) \ | |
83fcb515 FB |
264 | { \ |
265 | return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \ | |
70a194b9 | 266 | } |
83fcb515 | 267 | |
70a194b9 | 268 | |
31e31b8a | 269 | #define __NR_sys_uname __NR_uname |
72f03900 | 270 | #define __NR_sys_getcwd1 __NR_getcwd |
72f03900 | 271 | #define __NR_sys_getdents __NR_getdents |
dab2ed99 | 272 | #define __NR_sys_getdents64 __NR_getdents64 |
c6cda17a | 273 | #define __NR_sys_getpriority __NR_getpriority |
66fb9763 | 274 | #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo |
cf8b8bfc | 275 | #define __NR_sys_rt_tgsigqueueinfo __NR_rt_tgsigqueueinfo |
7494b0f9 | 276 | #define __NR_sys_syslog __NR_syslog |
14690296 AF |
277 | #if defined(__NR_futex) |
278 | # define __NR_sys_futex __NR_futex | |
279 | #endif | |
280 | #if defined(__NR_futex_time64) | |
281 | # define __NR_sys_futex_time64 __NR_futex_time64 | |
282 | #endif | |
efa92184 | 283 | #define __NR_sys_statx __NR_statx |
31e31b8a | 284 | |
b1cef6d0 | 285 | #if defined(__alpha__) || defined(__x86_64__) || defined(__s390x__) |
9af9eaaa FB |
286 | #define __NR__llseek __NR_lseek |
287 | #endif | |
288 | ||
a29e5ba2 JH |
289 | /* Newer kernel ports have llseek() instead of _llseek() */ |
290 | #if defined(TARGET_NR_llseek) && !defined(TARGET_NR__llseek) | |
291 | #define TARGET_NR__llseek TARGET_NR_llseek | |
292 | #endif | |
293 | ||
78721301 HD |
294 | /* some platforms need to mask more bits than just TARGET_O_NONBLOCK */ |
295 | #ifndef TARGET_O_NONBLOCK_MASK | |
296 | #define TARGET_O_NONBLOCK_MASK TARGET_O_NONBLOCK | |
297 | #endif | |
298 | ||
71ba74f6 DB |
299 | #define __NR_sys_gettid __NR_gettid |
300 | _syscall0(int, sys_gettid) | |
2b3f64cb PM |
301 | |
302 | /* For the 64-bit guest on 32-bit host case we must emulate | |
303 | * getdents using getdents64, because otherwise the host | |
304 | * might hand us back more dirent records than we can fit | |
305 | * into the guest buffer after structure format conversion. | |
306 | * Otherwise we emulate getdents with getdents if the host has it. | |
307 | */ | |
308 | #if defined(__NR_getdents) && HOST_LONG_BITS >= TARGET_ABI_BITS | |
309 | #define EMULATE_GETDENTS_WITH_GETDENTS | |
310 | #endif | |
311 | ||
312 | #if defined(TARGET_NR_getdents) && defined(EMULATE_GETDENTS_WITH_GETDENTS) | |
ac42f443 | 313 | _syscall3(int, sys_getdents, unsigned int, fd, struct linux_dirent *, dirp, unsigned int, count); |
3307e236 | 314 | #endif |
2b3f64cb PM |
315 | #if (defined(TARGET_NR_getdents) && \ |
316 | !defined(EMULATE_GETDENTS_WITH_GETDENTS)) || \ | |
3307e236 | 317 | (defined(TARGET_NR_getdents64) && defined(__NR_getdents64)) |
ac42f443 | 318 | _syscall3(int, sys_getdents64, unsigned int, fd, struct linux_dirent64 *, dirp, unsigned int, count); |
3b3f24ad | 319 | #endif |
d35b261c | 320 | #if defined(TARGET_NR__llseek) && defined(__NR_llseek) |
ac42f443 JQ |
321 | _syscall5(int, _llseek, unsigned int, fd, unsigned long, hi, unsigned long, lo, |
322 | loff_t *, res, unsigned int, wh); | |
3b3f24ad | 323 | #endif |
c1a402a7 | 324 | _syscall3(int, sys_rt_sigqueueinfo, pid_t, pid, int, sig, siginfo_t *, uinfo) |
cf8b8bfc MS |
325 | _syscall4(int, sys_rt_tgsigqueueinfo, pid_t, pid, pid_t, tid, int, sig, |
326 | siginfo_t *, uinfo) | |
3b3f24ad | 327 | _syscall3(int,sys_syslog,int,type,char*,bufp,int,len) |
3b3f24ad AJ |
328 | #ifdef __NR_exit_group |
329 | _syscall1(int,exit_group,int,error_code) | |
330 | #endif | |
af804f39 HD |
331 | #if defined(__NR_close_range) && defined(TARGET_NR_close_range) |
332 | #define __NR_sys_close_range __NR_close_range | |
333 | _syscall3(int,sys_close_range,int,first,int,last,int,flags) | |
334 | #ifndef CLOSE_RANGE_CLOEXEC | |
335 | #define CLOSE_RANGE_CLOEXEC (1U << 2) | |
336 | #endif | |
337 | #endif | |
14690296 | 338 | #if defined(__NR_futex) |
3b3f24ad AJ |
339 | _syscall6(int,sys_futex,int *,uaddr,int,op,int,val, |
340 | const struct timespec *,timeout,int *,uaddr2,int,val3) | |
341 | #endif | |
14690296 AF |
342 | #if defined(__NR_futex_time64) |
343 | _syscall6(int,sys_futex_time64,int *,uaddr,int,op,int,val, | |
344 | const struct timespec *,timeout,int *,uaddr2,int,val3) | |
345 | #endif | |
cc054c6f HD |
346 | #if defined(__NR_pidfd_open) && defined(TARGET_NR_pidfd_open) |
347 | _syscall2(int, pidfd_open, pid_t, pid, unsigned int, flags); | |
348 | #endif | |
349 | #if defined(__NR_pidfd_send_signal) && defined(TARGET_NR_pidfd_send_signal) | |
350 | _syscall4(int, pidfd_send_signal, int, pidfd, int, sig, siginfo_t *, info, | |
351 | unsigned int, flags); | |
352 | #endif | |
353 | #if defined(__NR_pidfd_getfd) && defined(TARGET_NR_pidfd_getfd) | |
354 | _syscall3(int, pidfd_getfd, int, pidfd, int, targetfd, unsigned int, flags); | |
355 | #endif | |
737de1d1 MF |
356 | #define __NR_sys_sched_getaffinity __NR_sched_getaffinity |
357 | _syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len, | |
358 | unsigned long *, user_mask_ptr); | |
359 | #define __NR_sys_sched_setaffinity __NR_sched_setaffinity | |
360 | _syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len, | |
361 | unsigned long *, user_mask_ptr); | |
45ad761c TT |
362 | /* sched_attr is not defined in glibc */ |
363 | struct sched_attr { | |
364 | uint32_t size; | |
365 | uint32_t sched_policy; | |
366 | uint64_t sched_flags; | |
367 | int32_t sched_nice; | |
368 | uint32_t sched_priority; | |
369 | uint64_t sched_runtime; | |
370 | uint64_t sched_deadline; | |
371 | uint64_t sched_period; | |
372 | uint32_t sched_util_min; | |
373 | uint32_t sched_util_max; | |
374 | }; | |
375 | #define __NR_sys_sched_getattr __NR_sched_getattr | |
376 | _syscall4(int, sys_sched_getattr, pid_t, pid, struct sched_attr *, attr, | |
377 | unsigned int, size, unsigned int, flags); | |
378 | #define __NR_sys_sched_setattr __NR_sched_setattr | |
379 | _syscall3(int, sys_sched_setattr, pid_t, pid, struct sched_attr *, attr, | |
380 | unsigned int, flags); | |
407a119b TT |
381 | #define __NR_sys_sched_getscheduler __NR_sched_getscheduler |
382 | _syscall1(int, sys_sched_getscheduler, pid_t, pid); | |
383 | #define __NR_sys_sched_setscheduler __NR_sched_setscheduler | |
384 | _syscall3(int, sys_sched_setscheduler, pid_t, pid, int, policy, | |
385 | const struct sched_param *, param); | |
386 | #define __NR_sys_sched_getparam __NR_sched_getparam | |
387 | _syscall2(int, sys_sched_getparam, pid_t, pid, | |
388 | struct sched_param *, param); | |
389 | #define __NR_sys_sched_setparam __NR_sched_setparam | |
390 | _syscall2(int, sys_sched_setparam, pid_t, pid, | |
391 | const struct sched_param *, param); | |
b827c3ed ST |
392 | #define __NR_sys_getcpu __NR_getcpu |
393 | _syscall3(int, sys_getcpu, unsigned *, cpu, unsigned *, node, void *, tcache); | |
0f6b4d21 AG |
394 | _syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd, |
395 | void *, arg); | |
e0eb210e PM |
396 | _syscall2(int, capget, struct __user_cap_header_struct *, header, |
397 | struct __user_cap_data_struct *, data); | |
398 | _syscall2(int, capset, struct __user_cap_header_struct *, header, | |
399 | struct __user_cap_data_struct *, data); | |
ab31cda3 PB |
400 | #if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get) |
401 | _syscall2(int, ioprio_get, int, which, int, who) | |
402 | #endif | |
403 | #if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set) | |
404 | _syscall3(int, ioprio_set, int, which, int, who, int, ioprio) | |
405 | #endif | |
f894efd1 LV |
406 | #if defined(TARGET_NR_getrandom) && defined(__NR_getrandom) |
407 | _syscall3(int, getrandom, void *, buf, size_t, buflen, unsigned int, flags) | |
408 | #endif | |
3b3f24ad | 409 | |
2f14788c LV |
410 | #if defined(TARGET_NR_kcmp) && defined(__NR_kcmp) |
411 | _syscall5(int, kcmp, pid_t, pid1, pid_t, pid2, int, type, | |
412 | unsigned long, idx1, unsigned long, idx2) | |
413 | #endif | |
414 | ||
efa92184 AR |
415 | /* |
416 | * It is assumed that struct statx is architecture independent. | |
417 | */ | |
418 | #if defined(TARGET_NR_statx) && defined(__NR_statx) | |
419 | _syscall5(int, sys_statx, int, dirfd, const char *, pathname, int, flags, | |
420 | unsigned int, mask, struct target_statx *, statxbuf) | |
421 | #endif | |
8500476f AS |
422 | #if defined(TARGET_NR_membarrier) && defined(__NR_membarrier) |
423 | _syscall2(int, membarrier, int, cmd, int, flags) | |
424 | #endif | |
efa92184 | 425 | |
180d4ef3 | 426 | static const bitmask_transtbl fcntl_flags_tbl[] = { |
3b3f24ad AJ |
427 | { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, }, |
428 | { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, }, | |
429 | { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, }, | |
430 | { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, }, | |
431 | { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, }, | |
432 | { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, }, | |
433 | { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, }, | |
434 | { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, }, | |
afc8763f | 435 | { TARGET_O_SYNC, TARGET_O_DSYNC, O_SYNC, O_DSYNC, }, |
3b3f24ad AJ |
436 | { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, }, |
437 | { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, }, | |
438 | { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, }, | |
439 | { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, }, | |
3b3f24ad AJ |
440 | #if defined(O_DIRECT) |
441 | { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, }, | |
afc8763f RH |
442 | #endif |
443 | #if defined(O_NOATIME) | |
444 | { TARGET_O_NOATIME, TARGET_O_NOATIME, O_NOATIME, O_NOATIME }, | |
445 | #endif | |
446 | #if defined(O_CLOEXEC) | |
447 | { TARGET_O_CLOEXEC, TARGET_O_CLOEXEC, O_CLOEXEC, O_CLOEXEC }, | |
448 | #endif | |
449 | #if defined(O_PATH) | |
450 | { TARGET_O_PATH, TARGET_O_PATH, O_PATH, O_PATH }, | |
5f9cee46 RV |
451 | #endif |
452 | #if defined(O_TMPFILE) | |
453 | { TARGET_O_TMPFILE, TARGET_O_TMPFILE, O_TMPFILE, O_TMPFILE }, | |
afc8763f RH |
454 | #endif |
455 | /* Don't terminate the list prematurely on 64-bit host+guest. */ | |
456 | #if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0 | |
457 | { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, }, | |
3b3f24ad | 458 | #endif |
3b3f24ad AJ |
459 | }; |
460 | ||
0f6bb195 | 461 | _syscall2(int, sys_getcwd1, char *, buf, size_t, size) |
3b3f24ad | 462 | |
cac46eb0 | 463 | #if defined(TARGET_NR_utimensat) || defined(TARGET_NR_utimensat_time64) |
700fa58e | 464 | #if defined(__NR_utimensat) |
1acae9f2 | 465 | #define __NR_sys_utimensat __NR_utimensat |
9007f0ef TS |
466 | _syscall4(int,sys_utimensat,int,dirfd,const char *,pathname, |
467 | const struct timespec *,tsp,int,flags) | |
1acae9f2 PM |
468 | #else |
469 | static int sys_utimensat(int dirfd, const char *pathname, | |
470 | const struct timespec times[2], int flags) | |
471 | { | |
472 | errno = ENOSYS; | |
473 | return -1; | |
474 | } | |
9007f0ef | 475 | #endif |
1acae9f2 | 476 | #endif /* TARGET_NR_utimensat */ |
3b3f24ad | 477 | |
95d0307c AS |
478 | #ifdef TARGET_NR_renameat2 |
479 | #if defined(__NR_renameat2) | |
480 | #define __NR_sys_renameat2 __NR_renameat2 | |
481 | _syscall5(int, sys_renameat2, int, oldfd, const char *, old, int, newfd, | |
482 | const char *, new, unsigned int, flags) | |
483 | #else | |
484 | static int sys_renameat2(int oldfd, const char *old, | |
485 | int newfd, const char *new, int flags) | |
486 | { | |
487 | if (flags == 0) { | |
488 | return renameat(oldfd, old, newfd, new); | |
489 | } | |
490 | errno = ENOSYS; | |
491 | return -1; | |
492 | } | |
493 | #endif | |
494 | #endif /* TARGET_NR_renameat2 */ | |
495 | ||
3b3f24ad | 496 | #ifdef CONFIG_INOTIFY |
8690e420 | 497 | #include <sys/inotify.h> |
3b3f24ad AJ |
498 | #else |
499 | /* Userspace can usually survive runtime without inotify */ | |
500 | #undef TARGET_NR_inotify_init | |
c05c7a73 | 501 | #undef TARGET_NR_inotify_init1 |
3b3f24ad AJ |
502 | #undef TARGET_NR_inotify_add_watch |
503 | #undef TARGET_NR_inotify_rm_watch | |
504 | #endif /* CONFIG_INOTIFY */ | |
505 | ||
163a05a8 PM |
506 | #if defined(TARGET_NR_prlimit64) |
507 | #ifndef __NR_prlimit64 | |
508 | # define __NR_prlimit64 -1 | |
509 | #endif | |
510 | #define __NR_sys_prlimit64 __NR_prlimit64 | |
511 | /* The glibc rlimit structure may not be that used by the underlying syscall */ | |
512 | struct host_rlimit64 { | |
513 | uint64_t rlim_cur; | |
514 | uint64_t rlim_max; | |
515 | }; | |
516 | _syscall4(int, sys_prlimit64, pid_t, pid, int, resource, | |
517 | const struct host_rlimit64 *, new_limit, | |
518 | struct host_rlimit64 *, old_limit) | |
519 | #endif | |
520 | ||
f4f1e10a ECL |
521 | |
522 | #if defined(TARGET_NR_timer_create) | |
6f9ff551 | 523 | /* Maximum of 32 active POSIX timers allowed at any one time. */ |
9e59899f PM |
524 | #define GUEST_TIMER_MAX 32 |
525 | static timer_t g_posix_timers[GUEST_TIMER_MAX]; | |
526 | static int g_posix_timer_allocated[GUEST_TIMER_MAX]; | |
f4f1e10a ECL |
527 | |
528 | static inline int next_free_host_timer(void) | |
529 | { | |
9e59899f PM |
530 | int k; |
531 | for (k = 0; k < ARRAY_SIZE(g_posix_timer_allocated); k++) { | |
532 | if (qatomic_xchg(g_posix_timer_allocated + k, 1) == 0) { | |
f4f1e10a ECL |
533 | return k; |
534 | } | |
535 | } | |
536 | return -1; | |
537 | } | |
9e59899f PM |
538 | |
539 | static inline void free_host_timer_slot(int id) | |
540 | { | |
541 | qatomic_store_release(g_posix_timer_allocated + id, 0); | |
542 | } | |
f4f1e10a ECL |
543 | #endif |
544 | ||
3ffe3268 | 545 | static inline int host_to_target_errno(int host_errno) |
637947f1 | 546 | { |
3ffe3268 PMD |
547 | switch (host_errno) { |
548 | #define E(X) case X: return TARGET_##X; | |
549 | #include "errnos.c.inc" | |
550 | #undef E | |
551 | default: | |
552 | return host_errno; | |
2466119c | 553 | } |
637947f1 TS |
554 | } |
555 | ||
3ffe3268 | 556 | static inline int target_to_host_errno(int target_errno) |
b92c47c1 | 557 | { |
3ffe3268 PMD |
558 | switch (target_errno) { |
559 | #define E(X) case TARGET_##X: return X; | |
560 | #include "errnos.c.inc" | |
561 | #undef E | |
562 | default: | |
563 | return target_errno; | |
2466119c | 564 | } |
b92c47c1 TS |
565 | } |
566 | ||
892a4f6a | 567 | abi_long get_errno(abi_long ret) |
31e31b8a FB |
568 | { |
569 | if (ret == -1) | |
637947f1 | 570 | return -host_to_target_errno(errno); |
31e31b8a FB |
571 | else |
572 | return ret; | |
573 | } | |
574 | ||
7dcdaeaf | 575 | const char *target_strerror(int err) |
b92c47c1 | 576 | { |
af254a27 | 577 | if (err == QEMU_ERESTARTSYS) { |
da2a34f7 PM |
578 | return "To be restarted"; |
579 | } | |
57a0c938 | 580 | if (err == QEMU_ESIGRETURN) { |
da2a34f7 PM |
581 | return "Successful exit from sigreturn"; |
582 | } | |
583 | ||
b92c47c1 TS |
584 | return strerror(target_to_host_errno(err)); |
585 | } | |
586 | ||
45ad761c TT |
587 | static int check_zeroed_user(abi_long addr, size_t ksize, size_t usize) |
588 | { | |
589 | int i; | |
590 | uint8_t b; | |
591 | if (usize <= ksize) { | |
592 | return 1; | |
593 | } | |
594 | for (i = ksize; i < usize; i++) { | |
595 | if (get_user_u8(b, addr + i)) { | |
596 | return -TARGET_EFAULT; | |
597 | } | |
598 | if (b != 0) { | |
599 | return 0; | |
600 | } | |
601 | } | |
602 | return 1; | |
603 | } | |
604 | ||
4d330cee TB |
605 | #define safe_syscall0(type, name) \ |
606 | static type safe_##name(void) \ | |
607 | { \ | |
608 | return safe_syscall(__NR_##name); \ | |
609 | } | |
610 | ||
611 | #define safe_syscall1(type, name, type1, arg1) \ | |
612 | static type safe_##name(type1 arg1) \ | |
613 | { \ | |
614 | return safe_syscall(__NR_##name, arg1); \ | |
615 | } | |
616 | ||
617 | #define safe_syscall2(type, name, type1, arg1, type2, arg2) \ | |
618 | static type safe_##name(type1 arg1, type2 arg2) \ | |
619 | { \ | |
620 | return safe_syscall(__NR_##name, arg1, arg2); \ | |
621 | } | |
622 | ||
623 | #define safe_syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \ | |
624 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3) \ | |
625 | { \ | |
626 | return safe_syscall(__NR_##name, arg1, arg2, arg3); \ | |
627 | } | |
628 | ||
629 | #define safe_syscall4(type, name, type1, arg1, type2, arg2, type3, arg3, \ | |
630 | type4, arg4) \ | |
631 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ | |
632 | { \ | |
633 | return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4); \ | |
634 | } | |
635 | ||
636 | #define safe_syscall5(type, name, type1, arg1, type2, arg2, type3, arg3, \ | |
637 | type4, arg4, type5, arg5) \ | |
638 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ | |
639 | type5 arg5) \ | |
640 | { \ | |
641 | return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \ | |
642 | } | |
643 | ||
644 | #define safe_syscall6(type, name, type1, arg1, type2, arg2, type3, arg3, \ | |
645 | type4, arg4, type5, arg5, type6, arg6) \ | |
646 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ | |
647 | type5 arg5, type6 arg6) \ | |
648 | { \ | |
649 | return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \ | |
650 | } | |
651 | ||
50afd02b TB |
652 | safe_syscall3(ssize_t, read, int, fd, void *, buff, size_t, count) |
653 | safe_syscall3(ssize_t, write, int, fd, const void *, buff, size_t, count) | |
c10a0738 TB |
654 | safe_syscall4(int, openat, int, dirfd, const char *, pathname, \ |
655 | int, flags, mode_t, mode) | |
859e8a89 | 656 | #if defined(TARGET_NR_wait4) || defined(TARGET_NR_waitpid) |
4af80a37 TB |
657 | safe_syscall4(pid_t, wait4, pid_t, pid, int *, status, int, options, \ |
658 | struct rusage *, rusage) | |
859e8a89 | 659 | #endif |
4af80a37 TB |
660 | safe_syscall5(int, waitid, idtype_t, idtype, id_t, id, siginfo_t *, infop, \ |
661 | int, options, struct rusage *, rusage) | |
7a8d9f3a | 662 | safe_syscall3(int, execve, const char *, filename, char **, argv, char **, envp) |
55bbe4d5 DD |
663 | safe_syscall5(int, execveat, int, dirfd, const char *, filename, |
664 | char **, argv, char **, envp, int, flags) | |
859e8a89 | 665 | #if defined(TARGET_NR_select) || defined(TARGET_NR__newselect) || \ |
e5ce9688 | 666 | defined(TARGET_NR_pselect6) || defined(TARGET_NR_pselect6_time64) |
6df9d38d PM |
667 | safe_syscall6(int, pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds, \ |
668 | fd_set *, exceptfds, struct timespec *, timeout, void *, sig) | |
859e8a89 | 669 | #endif |
e5ce9688 | 670 | #if defined(TARGET_NR_ppoll) || defined(TARGET_NR_ppoll_time64) |
a6130237 PM |
671 | safe_syscall5(int, ppoll, struct pollfd *, ufds, unsigned int, nfds, |
672 | struct timespec *, tsp, const sigset_t *, sigmask, | |
673 | size_t, sigsetsize) | |
859e8a89 | 674 | #endif |
227f0214 PM |
675 | safe_syscall6(int, epoll_pwait, int, epfd, struct epoll_event *, events, |
676 | int, maxevents, int, timeout, const sigset_t *, sigmask, | |
677 | size_t, sigsetsize) | |
14690296 | 678 | #if defined(__NR_futex) |
d509eeb1 PM |
679 | safe_syscall6(int,futex,int *,uaddr,int,op,int,val, \ |
680 | const struct timespec *,timeout,int *,uaddr2,int,val3) | |
859e8a89 | 681 | #endif |
14690296 AF |
682 | #if defined(__NR_futex_time64) |
683 | safe_syscall6(int,futex_time64,int *,uaddr,int,op,int,val, \ | |
684 | const struct timespec *,timeout,int *,uaddr2,int,val3) | |
685 | #endif | |
2fe4fba1 | 686 | safe_syscall2(int, rt_sigsuspend, sigset_t *, newset, size_t, sigsetsize) |
bef653d9 PM |
687 | safe_syscall2(int, kill, pid_t, pid, int, sig) |
688 | safe_syscall2(int, tkill, int, tid, int, sig) | |
689 | safe_syscall3(int, tgkill, int, tgid, int, pid, int, sig) | |
918c03ed PM |
690 | safe_syscall3(ssize_t, readv, int, fd, const struct iovec *, iov, int, iovcnt) |
691 | safe_syscall3(ssize_t, writev, int, fd, const struct iovec *, iov, int, iovcnt) | |
0f26386c DJ |
692 | safe_syscall5(ssize_t, preadv, int, fd, const struct iovec *, iov, int, iovcnt, |
693 | unsigned long, pos_l, unsigned long, pos_h) | |
f8d00fba DJ |
694 | safe_syscall5(ssize_t, pwritev, int, fd, const struct iovec *, iov, int, iovcnt, |
695 | unsigned long, pos_l, unsigned long, pos_h) | |
2a3c7619 PM |
696 | safe_syscall3(int, connect, int, fd, const struct sockaddr *, addr, |
697 | socklen_t, addrlen) | |
66687530 PM |
698 | safe_syscall6(ssize_t, sendto, int, fd, const void *, buf, size_t, len, |
699 | int, flags, const struct sockaddr *, addr, socklen_t, addrlen) | |
700 | safe_syscall6(ssize_t, recvfrom, int, fd, void *, buf, size_t, len, | |
701 | int, flags, struct sockaddr *, addr, socklen_t *, addrlen) | |
702 | safe_syscall3(ssize_t, sendmsg, int, fd, const struct msghdr *, msg, int, flags) | |
703 | safe_syscall3(ssize_t, recvmsg, int, fd, struct msghdr *, msg, int, flags) | |
2a845989 | 704 | safe_syscall2(int, flock, int, fd, int, operation) |
ddcbde15 | 705 | #if defined(TARGET_NR_rt_sigtimedwait) || defined(TARGET_NR_rt_sigtimedwait_time64) |
b3f82330 PM |
706 | safe_syscall4(int, rt_sigtimedwait, const sigset_t *, these, siginfo_t *, uinfo, |
707 | const struct timespec *, uts, size_t, sigsetsize) | |
859e8a89 | 708 | #endif |
ff6dc130 PM |
709 | safe_syscall4(int, accept4, int, fd, struct sockaddr *, addr, socklen_t *, len, |
710 | int, flags) | |
859e8a89 | 711 | #if defined(TARGET_NR_nanosleep) |
9e518226 PM |
712 | safe_syscall2(int, nanosleep, const struct timespec *, req, |
713 | struct timespec *, rem) | |
859e8a89 | 714 | #endif |
6ac03b2c FB |
715 | #if defined(TARGET_NR_clock_nanosleep) || \ |
716 | defined(TARGET_NR_clock_nanosleep_time64) | |
9e518226 PM |
717 | safe_syscall4(int, clock_nanosleep, const clockid_t, clock, int, flags, |
718 | const struct timespec *, req, struct timespec *, rem) | |
719 | #endif | |
524fa340 | 720 | #ifdef __NR_ipc |
d8c08b1e MK |
721 | #ifdef __s390x__ |
722 | safe_syscall5(int, ipc, int, call, long, first, long, second, long, third, | |
723 | void *, ptr) | |
724 | #else | |
89f9fe44 PM |
725 | safe_syscall6(int, ipc, int, call, long, first, long, second, long, third, |
726 | void *, ptr, long, fifth) | |
86e63695 | 727 | #endif |
d8c08b1e | 728 | #endif |
86e63695 LV |
729 | #ifdef __NR_msgsnd |
730 | safe_syscall4(int, msgsnd, int, msgid, const void *, msgp, size_t, sz, | |
731 | int, flags) | |
86e63695 LV |
732 | #endif |
733 | #ifdef __NR_msgrcv | |
734 | safe_syscall5(int, msgrcv, int, msgid, void *, msgp, size_t, sz, | |
735 | long, msgtype, int, flags) | |
86e63695 LV |
736 | #endif |
737 | #ifdef __NR_semtimedop | |
738 | safe_syscall4(int, semtimedop, int, semid, struct sembuf *, tsops, | |
739 | unsigned, nsops, const struct timespec *, timeout) | |
89f9fe44 | 740 | #endif |
d107e375 FB |
741 | #if defined(TARGET_NR_mq_timedsend) || \ |
742 | defined(TARGET_NR_mq_timedsend_time64) | |
d40ecd66 PM |
743 | safe_syscall5(int, mq_timedsend, int, mqdes, const char *, msg_ptr, |
744 | size_t, len, unsigned, prio, const struct timespec *, timeout) | |
859e8a89 | 745 | #endif |
d107e375 FB |
746 | #if defined(TARGET_NR_mq_timedreceive) || \ |
747 | defined(TARGET_NR_mq_timedreceive_time64) | |
d40ecd66 PM |
748 | safe_syscall5(int, mq_timedreceive, int, mqdes, char *, msg_ptr, |
749 | size_t, len, unsigned *, prio, const struct timespec *, timeout) | |
750 | #endif | |
84946457 AS |
751 | #if defined(TARGET_NR_copy_file_range) && defined(__NR_copy_file_range) |
752 | safe_syscall6(ssize_t, copy_file_range, int, infd, loff_t *, pinoff, | |
753 | int, outfd, loff_t *, poutoff, size_t, length, | |
754 | unsigned int, flags) | |
755 | #endif | |
756 | ||
49ca6f3e PM |
757 | /* We do ioctl like this rather than via safe_syscall3 to preserve the |
758 | * "third argument might be integer or pointer or not present" behaviour of | |
759 | * the libc function. | |
760 | */ | |
761 | #define safe_ioctl(...) safe_syscall(__NR_ioctl, __VA_ARGS__) | |
435da5e7 PM |
762 | /* Similarly for fcntl. Note that callers must always: |
763 | * pass the F_GETLK64 etc constants rather than the unsuffixed F_GETLK | |
764 | * use the flock64 struct rather than unsuffixed flock | |
765 | * This will then work and use a 64-bit offset for both 32-bit and 64-bit hosts. | |
766 | */ | |
767 | #ifdef __NR_fcntl64 | |
768 | #define safe_fcntl(...) safe_syscall(__NR_fcntl64, __VA_ARGS__) | |
769 | #else | |
770 | #define safe_fcntl(...) safe_syscall(__NR_fcntl, __VA_ARGS__) | |
771 | #endif | |
50afd02b | 772 | |
8289d112 PB |
773 | static inline int host_to_target_sock_type(int host_type) |
774 | { | |
775 | int target_type; | |
776 | ||
777 | switch (host_type & 0xf /* SOCK_TYPE_MASK */) { | |
778 | case SOCK_DGRAM: | |
779 | target_type = TARGET_SOCK_DGRAM; | |
780 | break; | |
781 | case SOCK_STREAM: | |
782 | target_type = TARGET_SOCK_STREAM; | |
783 | break; | |
784 | default: | |
785 | target_type = host_type & 0xf /* SOCK_TYPE_MASK */; | |
786 | break; | |
787 | } | |
788 | ||
789 | #if defined(SOCK_CLOEXEC) | |
790 | if (host_type & SOCK_CLOEXEC) { | |
791 | target_type |= TARGET_SOCK_CLOEXEC; | |
792 | } | |
793 | #endif | |
794 | ||
795 | #if defined(SOCK_NONBLOCK) | |
796 | if (host_type & SOCK_NONBLOCK) { | |
797 | target_type |= TARGET_SOCK_NONBLOCK; | |
798 | } | |
799 | #endif | |
800 | ||
801 | return target_type; | |
802 | } | |
803 | ||
dfe49864 | 804 | static abi_ulong target_brk, initial_target_brk; |
31e31b8a | 805 | |
992f48a0 | 806 | void target_set_brk(abi_ulong new_brk) |
31e31b8a | 807 | { |
d28b3c90 | 808 | target_brk = TARGET_PAGE_ALIGN(new_brk); |
dfe49864 | 809 | initial_target_brk = target_brk; |
31e31b8a FB |
810 | } |
811 | ||
0da46a6e | 812 | /* do_brk() must return target values and target errnos. */ |
86f04735 | 813 | abi_long do_brk(abi_ulong brk_val) |
31e31b8a | 814 | { |
992f48a0 | 815 | abi_long mapped_addr; |
2aea137a AO |
816 | abi_ulong new_brk; |
817 | abi_ulong old_brk; | |
31e31b8a | 818 | |
ee1bf83d RH |
819 | /* brk pointers are always untagged */ |
820 | ||
dfe49864 HD |
821 | /* do not allow to shrink below initial brk value */ |
822 | if (brk_val < initial_target_brk) { | |
cb9d5d1f | 823 | return target_brk; |
dfe49864 HD |
824 | } |
825 | ||
86f04735 | 826 | new_brk = TARGET_PAGE_ALIGN(brk_val); |
2aea137a | 827 | old_brk = TARGET_PAGE_ALIGN(target_brk); |
86f04735 | 828 | |
2aea137a AO |
829 | /* new and old target_brk might be on the same page */ |
830 | if (new_brk == old_brk) { | |
86f04735 | 831 | target_brk = brk_val; |
7ab240ad | 832 | return target_brk; |
4d1de87c | 833 | } |
3b46e624 | 834 | |
2cf91b9a | 835 | /* Release heap if necessary */ |
2aea137a AO |
836 | if (new_brk < old_brk) { |
837 | target_munmap(new_brk, old_brk - new_brk); | |
86f04735 HD |
838 | |
839 | target_brk = brk_val; | |
840 | return target_brk; | |
31e31b8a FB |
841 | } |
842 | ||
2aea137a AO |
843 | mapped_addr = target_mmap(old_brk, new_brk - old_brk, |
844 | PROT_READ | PROT_WRITE, | |
845 | MAP_FIXED_NOREPLACE | MAP_ANON | MAP_PRIVATE, | |
846 | -1, 0); | |
70afc343 | 847 | |
2aea137a | 848 | if (mapped_addr == old_brk) { |
86f04735 | 849 | target_brk = brk_val; |
00faf08c | 850 | return target_brk; |
00faf08c | 851 | } |
7ab240ad | 852 | |
7dd46c02 RH |
853 | #if defined(TARGET_ALPHA) |
854 | /* We (partially) emulate OSF/1 on Alpha, which requires we | |
855 | return a proper errno, not an unchanged brk value. */ | |
00faf08c | 856 | return -TARGET_ENOMEM; |
7dd46c02 | 857 | #endif |
00faf08c | 858 | /* For everything else, return the previous break. */ |
7ab240ad | 859 | return target_brk; |
31e31b8a FB |
860 | } |
861 | ||
859e8a89 | 862 | #if defined(TARGET_NR_select) || defined(TARGET_NR__newselect) || \ |
e5ce9688 | 863 | defined(TARGET_NR_pselect6) || defined(TARGET_NR_pselect6_time64) |
26edcf41 TS |
864 | static inline abi_long copy_from_user_fdset(fd_set *fds, |
865 | abi_ulong target_fds_addr, | |
866 | int n) | |
31e31b8a | 867 | { |
26edcf41 TS |
868 | int i, nw, j, k; |
869 | abi_ulong b, *target_fds; | |
870 | ||
b1b2db29 | 871 | nw = DIV_ROUND_UP(n, TARGET_ABI_BITS); |
26edcf41 TS |
872 | if (!(target_fds = lock_user(VERIFY_READ, |
873 | target_fds_addr, | |
874 | sizeof(abi_ulong) * nw, | |
875 | 1))) | |
876 | return -TARGET_EFAULT; | |
877 | ||
878 | FD_ZERO(fds); | |
879 | k = 0; | |
880 | for (i = 0; i < nw; i++) { | |
881 | /* grab the abi_ulong */ | |
882 | __get_user(b, &target_fds[i]); | |
883 | for (j = 0; j < TARGET_ABI_BITS; j++) { | |
884 | /* check the bit inside the abi_ulong */ | |
885 | if ((b >> j) & 1) | |
886 | FD_SET(k, fds); | |
887 | k++; | |
31e31b8a | 888 | } |
31e31b8a | 889 | } |
26edcf41 TS |
890 | |
891 | unlock_user(target_fds, target_fds_addr, 0); | |
892 | ||
893 | return 0; | |
31e31b8a FB |
894 | } |
895 | ||
055e0906 MF |
896 | static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr, |
897 | abi_ulong target_fds_addr, | |
898 | int n) | |
899 | { | |
900 | if (target_fds_addr) { | |
901 | if (copy_from_user_fdset(fds, target_fds_addr, n)) | |
902 | return -TARGET_EFAULT; | |
903 | *fds_ptr = fds; | |
904 | } else { | |
905 | *fds_ptr = NULL; | |
906 | } | |
907 | return 0; | |
908 | } | |
909 | ||
26edcf41 TS |
910 | static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr, |
911 | const fd_set *fds, | |
912 | int n) | |
31e31b8a | 913 | { |
31e31b8a | 914 | int i, nw, j, k; |
992f48a0 | 915 | abi_long v; |
26edcf41 | 916 | abi_ulong *target_fds; |
31e31b8a | 917 | |
b1b2db29 | 918 | nw = DIV_ROUND_UP(n, TARGET_ABI_BITS); |
26edcf41 TS |
919 | if (!(target_fds = lock_user(VERIFY_WRITE, |
920 | target_fds_addr, | |
921 | sizeof(abi_ulong) * nw, | |
922 | 0))) | |
923 | return -TARGET_EFAULT; | |
924 | ||
925 | k = 0; | |
926 | for (i = 0; i < nw; i++) { | |
927 | v = 0; | |
928 | for (j = 0; j < TARGET_ABI_BITS; j++) { | |
9ab709be | 929 | v |= ((abi_ulong)(FD_ISSET(k, fds) != 0) << j); |
26edcf41 | 930 | k++; |
31e31b8a | 931 | } |
26edcf41 | 932 | __put_user(v, &target_fds[i]); |
31e31b8a | 933 | } |
26edcf41 TS |
934 | |
935 | unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw); | |
936 | ||
937 | return 0; | |
31e31b8a | 938 | } |
859e8a89 | 939 | #endif |
31e31b8a | 940 | |
c596ed17 FB |
941 | #if defined(__alpha__) |
942 | #define HOST_HZ 1024 | |
943 | #else | |
944 | #define HOST_HZ 100 | |
945 | #endif | |
946 | ||
992f48a0 | 947 | static inline abi_long host_to_target_clock_t(long ticks) |
c596ed17 FB |
948 | { |
949 | #if HOST_HZ == TARGET_HZ | |
950 | return ticks; | |
951 | #else | |
952 | return ((int64_t)ticks * TARGET_HZ) / HOST_HZ; | |
953 | #endif | |
954 | } | |
955 | ||
579a97f7 FB |
956 | static inline abi_long host_to_target_rusage(abi_ulong target_addr, |
957 | const struct rusage *rusage) | |
b409186b | 958 | { |
53a5960a PB |
959 | struct target_rusage *target_rusage; |
960 | ||
579a97f7 FB |
961 | if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0)) |
962 | return -TARGET_EFAULT; | |
cbb21eed MB |
963 | target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec); |
964 | target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec); | |
965 | target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec); | |
966 | target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec); | |
967 | target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss); | |
968 | target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss); | |
969 | target_rusage->ru_idrss = tswapal(rusage->ru_idrss); | |
970 | target_rusage->ru_isrss = tswapal(rusage->ru_isrss); | |
971 | target_rusage->ru_minflt = tswapal(rusage->ru_minflt); | |
972 | target_rusage->ru_majflt = tswapal(rusage->ru_majflt); | |
973 | target_rusage->ru_nswap = tswapal(rusage->ru_nswap); | |
974 | target_rusage->ru_inblock = tswapal(rusage->ru_inblock); | |
975 | target_rusage->ru_oublock = tswapal(rusage->ru_oublock); | |
976 | target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd); | |
977 | target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv); | |
978 | target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals); | |
979 | target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw); | |
980 | target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw); | |
53a5960a | 981 | unlock_user_struct(target_rusage, target_addr, 1); |
579a97f7 FB |
982 | |
983 | return 0; | |
b409186b FB |
984 | } |
985 | ||
859e8a89 | 986 | #ifdef TARGET_NR_setrlimit |
cbb21eed | 987 | static inline rlim_t target_to_host_rlim(abi_ulong target_rlim) |
81bbe906 | 988 | { |
cbb21eed | 989 | abi_ulong target_rlim_swap; |
95b33b2f WT |
990 | rlim_t result; |
991 | ||
cbb21eed MB |
992 | target_rlim_swap = tswapal(target_rlim); |
993 | if (target_rlim_swap == TARGET_RLIM_INFINITY) | |
994 | return RLIM_INFINITY; | |
995 | ||
996 | result = target_rlim_swap; | |
997 | if (target_rlim_swap != (rlim_t)result) | |
998 | return RLIM_INFINITY; | |
95b33b2f WT |
999 | |
1000 | return result; | |
81bbe906 | 1001 | } |
859e8a89 | 1002 | #endif |
81bbe906 | 1003 | |
859e8a89 | 1004 | #if defined(TARGET_NR_getrlimit) || defined(TARGET_NR_ugetrlimit) |
cbb21eed | 1005 | static inline abi_ulong host_to_target_rlim(rlim_t rlim) |
81bbe906 | 1006 | { |
cbb21eed MB |
1007 | abi_ulong target_rlim_swap; |
1008 | abi_ulong result; | |
95b33b2f | 1009 | |
cbb21eed | 1010 | if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim) |
95b33b2f | 1011 | target_rlim_swap = TARGET_RLIM_INFINITY; |
81bbe906 | 1012 | else |
95b33b2f | 1013 | target_rlim_swap = rlim; |
cbb21eed | 1014 | result = tswapal(target_rlim_swap); |
95b33b2f WT |
1015 | |
1016 | return result; | |
81bbe906 | 1017 | } |
859e8a89 | 1018 | #endif |
81bbe906 | 1019 | |
e22b7015 WT |
1020 | static inline int target_to_host_resource(int code) |
1021 | { | |
1022 | switch (code) { | |
1023 | case TARGET_RLIMIT_AS: | |
1024 | return RLIMIT_AS; | |
1025 | case TARGET_RLIMIT_CORE: | |
1026 | return RLIMIT_CORE; | |
1027 | case TARGET_RLIMIT_CPU: | |
1028 | return RLIMIT_CPU; | |
1029 | case TARGET_RLIMIT_DATA: | |
1030 | return RLIMIT_DATA; | |
1031 | case TARGET_RLIMIT_FSIZE: | |
1032 | return RLIMIT_FSIZE; | |
1033 | case TARGET_RLIMIT_LOCKS: | |
1034 | return RLIMIT_LOCKS; | |
1035 | case TARGET_RLIMIT_MEMLOCK: | |
1036 | return RLIMIT_MEMLOCK; | |
1037 | case TARGET_RLIMIT_MSGQUEUE: | |
1038 | return RLIMIT_MSGQUEUE; | |
1039 | case TARGET_RLIMIT_NICE: | |
1040 | return RLIMIT_NICE; | |
1041 | case TARGET_RLIMIT_NOFILE: | |
1042 | return RLIMIT_NOFILE; | |
1043 | case TARGET_RLIMIT_NPROC: | |
1044 | return RLIMIT_NPROC; | |
1045 | case TARGET_RLIMIT_RSS: | |
1046 | return RLIMIT_RSS; | |
1047 | case TARGET_RLIMIT_RTPRIO: | |
1048 | return RLIMIT_RTPRIO; | |
c3a28d71 | 1049 | #ifdef RLIMIT_RTTIME |
244fd083 SB |
1050 | case TARGET_RLIMIT_RTTIME: |
1051 | return RLIMIT_RTTIME; | |
c3a28d71 | 1052 | #endif |
e22b7015 WT |
1053 | case TARGET_RLIMIT_SIGPENDING: |
1054 | return RLIMIT_SIGPENDING; | |
1055 | case TARGET_RLIMIT_STACK: | |
1056 | return RLIMIT_STACK; | |
1057 | default: | |
1058 | return code; | |
1059 | } | |
1060 | } | |
1061 | ||
788f5ec4 TS |
1062 | static inline abi_long copy_from_user_timeval(struct timeval *tv, |
1063 | abi_ulong target_tv_addr) | |
31e31b8a | 1064 | { |
53a5960a PB |
1065 | struct target_timeval *target_tv; |
1066 | ||
6d5d5dde | 1067 | if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1)) { |
579a97f7 | 1068 | return -TARGET_EFAULT; |
6d5d5dde | 1069 | } |
788f5ec4 TS |
1070 | |
1071 | __get_user(tv->tv_sec, &target_tv->tv_sec); | |
1072 | __get_user(tv->tv_usec, &target_tv->tv_usec); | |
1073 | ||
1074 | unlock_user_struct(target_tv, target_tv_addr, 0); | |
579a97f7 FB |
1075 | |
1076 | return 0; | |
31e31b8a FB |
1077 | } |
1078 | ||
788f5ec4 TS |
1079 | static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr, |
1080 | const struct timeval *tv) | |
31e31b8a | 1081 | { |
53a5960a PB |
1082 | struct target_timeval *target_tv; |
1083 | ||
6d5d5dde DB |
1084 | if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) { |
1085 | return -TARGET_EFAULT; | |
1086 | } | |
1087 | ||
1088 | __put_user(tv->tv_sec, &target_tv->tv_sec); | |
1089 | __put_user(tv->tv_usec, &target_tv->tv_usec); | |
1090 | ||
1091 | unlock_user_struct(target_tv, target_tv_addr, 1); | |
1092 | ||
1093 | return 0; | |
1094 | } | |
1095 | ||
6ac03b2c FB |
1096 | #if defined(TARGET_NR_clock_adjtime64) && defined(CONFIG_CLOCK_ADJTIME) |
1097 | static inline abi_long copy_from_user_timeval64(struct timeval *tv, | |
1098 | abi_ulong target_tv_addr) | |
1099 | { | |
1100 | struct target__kernel_sock_timeval *target_tv; | |
1101 | ||
1102 | if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1)) { | |
1103 | return -TARGET_EFAULT; | |
1104 | } | |
1105 | ||
1106 | __get_user(tv->tv_sec, &target_tv->tv_sec); | |
1107 | __get_user(tv->tv_usec, &target_tv->tv_usec); | |
1108 | ||
1109 | unlock_user_struct(target_tv, target_tv_addr, 0); | |
1110 | ||
1111 | return 0; | |
1112 | } | |
1113 | #endif | |
1114 | ||
6d5d5dde | 1115 | static inline abi_long copy_to_user_timeval64(abi_ulong target_tv_addr, |
6ac03b2c | 1116 | const struct timeval *tv) |
6d5d5dde DB |
1117 | { |
1118 | struct target__kernel_sock_timeval *target_tv; | |
1119 | ||
1120 | if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) { | |
579a97f7 | 1121 | return -TARGET_EFAULT; |
6d5d5dde | 1122 | } |
788f5ec4 TS |
1123 | |
1124 | __put_user(tv->tv_sec, &target_tv->tv_sec); | |
1125 | __put_user(tv->tv_usec, &target_tv->tv_usec); | |
1126 | ||
1127 | unlock_user_struct(target_tv, target_tv_addr, 1); | |
579a97f7 FB |
1128 | |
1129 | return 0; | |
31e31b8a FB |
1130 | } |
1131 | ||
859e8a89 AF |
1132 | #if defined(TARGET_NR_futex) || \ |
1133 | defined(TARGET_NR_rt_sigtimedwait) || \ | |
1134 | defined(TARGET_NR_pselect6) || defined(TARGET_NR_pselect6) || \ | |
1135 | defined(TARGET_NR_nanosleep) || defined(TARGET_NR_clock_settime) || \ | |
1136 | defined(TARGET_NR_utimensat) || defined(TARGET_NR_mq_timedsend) || \ | |
d8c08b1e | 1137 | defined(TARGET_NR_mq_timedreceive) || defined(TARGET_NR_ipc) || \ |
2c86c90f FB |
1138 | defined(TARGET_NR_semop) || defined(TARGET_NR_semtimedop) || \ |
1139 | defined(TARGET_NR_timer_settime) || \ | |
1140 | (defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD)) | |
6d5d5dde DB |
1141 | static inline abi_long target_to_host_timespec(struct timespec *host_ts, |
1142 | abi_ulong target_addr) | |
1143 | { | |
1144 | struct target_timespec *target_ts; | |
1145 | ||
1146 | if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) { | |
1147 | return -TARGET_EFAULT; | |
1148 | } | |
1149 | __get_user(host_ts->tv_sec, &target_ts->tv_sec); | |
1150 | __get_user(host_ts->tv_nsec, &target_ts->tv_nsec); | |
1151 | unlock_user_struct(target_ts, target_addr, 0); | |
1152 | return 0; | |
1153 | } | |
859e8a89 | 1154 | #endif |
6d5d5dde | 1155 | |
828cb3a1 FB |
1156 | #if defined(TARGET_NR_clock_settime64) || defined(TARGET_NR_futex_time64) || \ |
1157 | defined(TARGET_NR_timer_settime64) || \ | |
d107e375 FB |
1158 | defined(TARGET_NR_mq_timedsend_time64) || \ |
1159 | defined(TARGET_NR_mq_timedreceive_time64) || \ | |
6ac03b2c | 1160 | (defined(TARGET_NR_timerfd_settime64) && defined(CONFIG_TIMERFD)) || \ |
ddcbde15 | 1161 | defined(TARGET_NR_clock_nanosleep_time64) || \ |
cac46eb0 FB |
1162 | defined(TARGET_NR_rt_sigtimedwait_time64) || \ |
1163 | defined(TARGET_NR_utimensat) || \ | |
1164 | defined(TARGET_NR_utimensat_time64) || \ | |
e5ce9688 FB |
1165 | defined(TARGET_NR_semtimedop_time64) || \ |
1166 | defined(TARGET_NR_pselect6_time64) || defined(TARGET_NR_ppoll_time64) | |
c6c8d102 AF |
1167 | static inline abi_long target_to_host_timespec64(struct timespec *host_ts, |
1168 | abi_ulong target_addr) | |
1169 | { | |
1170 | struct target__kernel_timespec *target_ts; | |
1171 | ||
1172 | if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) { | |
1173 | return -TARGET_EFAULT; | |
1174 | } | |
1175 | __get_user(host_ts->tv_sec, &target_ts->tv_sec); | |
1176 | __get_user(host_ts->tv_nsec, &target_ts->tv_nsec); | |
00576757 LV |
1177 | /* in 32bit mode, this drops the padding */ |
1178 | host_ts->tv_nsec = (long)(abi_long)host_ts->tv_nsec; | |
c6c8d102 AF |
1179 | unlock_user_struct(target_ts, target_addr, 0); |
1180 | return 0; | |
1181 | } | |
1182 | #endif | |
1183 | ||
6d5d5dde DB |
1184 | static inline abi_long host_to_target_timespec(abi_ulong target_addr, |
1185 | struct timespec *host_ts) | |
1186 | { | |
1187 | struct target_timespec *target_ts; | |
1188 | ||
1189 | if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) { | |
1190 | return -TARGET_EFAULT; | |
1191 | } | |
1192 | __put_user(host_ts->tv_sec, &target_ts->tv_sec); | |
1193 | __put_user(host_ts->tv_nsec, &target_ts->tv_nsec); | |
1194 | unlock_user_struct(target_ts, target_addr, 1); | |
1195 | return 0; | |
1196 | } | |
1197 | ||
1198 | static inline abi_long host_to_target_timespec64(abi_ulong target_addr, | |
1199 | struct timespec *host_ts) | |
1200 | { | |
1201 | struct target__kernel_timespec *target_ts; | |
1202 | ||
1203 | if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) { | |
1204 | return -TARGET_EFAULT; | |
1205 | } | |
1206 | __put_user(host_ts->tv_sec, &target_ts->tv_sec); | |
1207 | __put_user(host_ts->tv_nsec, &target_ts->tv_nsec); | |
1208 | unlock_user_struct(target_ts, target_addr, 1); | |
1209 | return 0; | |
1210 | } | |
1211 | ||
a52f5f87 RH |
1212 | #if defined(TARGET_NR_gettimeofday) |
1213 | static inline abi_long copy_to_user_timezone(abi_ulong target_tz_addr, | |
1214 | struct timezone *tz) | |
1215 | { | |
1216 | struct target_timezone *target_tz; | |
1217 | ||
1218 | if (!lock_user_struct(VERIFY_WRITE, target_tz, target_tz_addr, 1)) { | |
1219 | return -TARGET_EFAULT; | |
1220 | } | |
1221 | ||
1222 | __put_user(tz->tz_minuteswest, &target_tz->tz_minuteswest); | |
1223 | __put_user(tz->tz_dsttime, &target_tz->tz_dsttime); | |
1224 | ||
1225 | unlock_user_struct(target_tz, target_tz_addr, 1); | |
1226 | ||
1227 | return 0; | |
1228 | } | |
1229 | #endif | |
1230 | ||
859e8a89 | 1231 | #if defined(TARGET_NR_settimeofday) |
ef4467e9 PB |
1232 | static inline abi_long copy_from_user_timezone(struct timezone *tz, |
1233 | abi_ulong target_tz_addr) | |
1234 | { | |
1235 | struct target_timezone *target_tz; | |
1236 | ||
1237 | if (!lock_user_struct(VERIFY_READ, target_tz, target_tz_addr, 1)) { | |
1238 | return -TARGET_EFAULT; | |
1239 | } | |
1240 | ||
1241 | __get_user(tz->tz_minuteswest, &target_tz->tz_minuteswest); | |
1242 | __get_user(tz->tz_dsttime, &target_tz->tz_dsttime); | |
1243 | ||
1244 | unlock_user_struct(target_tz, target_tz_addr, 0); | |
1245 | ||
1246 | return 0; | |
1247 | } | |
859e8a89 | 1248 | #endif |
ef4467e9 | 1249 | |
8ec9cf89 NF |
1250 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
1251 | #include <mqueue.h> | |
1252 | ||
24e1003a AJ |
1253 | static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr, |
1254 | abi_ulong target_mq_attr_addr) | |
1255 | { | |
1256 | struct target_mq_attr *target_mq_attr; | |
1257 | ||
1258 | if (!lock_user_struct(VERIFY_READ, target_mq_attr, | |
1259 | target_mq_attr_addr, 1)) | |
1260 | return -TARGET_EFAULT; | |
1261 | ||
1262 | __get_user(attr->mq_flags, &target_mq_attr->mq_flags); | |
1263 | __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); | |
1264 | __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); | |
1265 | __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); | |
1266 | ||
1267 | unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0); | |
1268 | ||
1269 | return 0; | |
1270 | } | |
1271 | ||
1272 | static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr, | |
1273 | const struct mq_attr *attr) | |
1274 | { | |
1275 | struct target_mq_attr *target_mq_attr; | |
1276 | ||
1277 | if (!lock_user_struct(VERIFY_WRITE, target_mq_attr, | |
1278 | target_mq_attr_addr, 0)) | |
1279 | return -TARGET_EFAULT; | |
1280 | ||
1281 | __put_user(attr->mq_flags, &target_mq_attr->mq_flags); | |
1282 | __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); | |
1283 | __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); | |
1284 | __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); | |
1285 | ||
1286 | unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1); | |
1287 | ||
1288 | return 0; | |
1289 | } | |
8ec9cf89 | 1290 | #endif |
31e31b8a | 1291 | |
055e0906 | 1292 | #if defined(TARGET_NR_select) || defined(TARGET_NR__newselect) |
0da46a6e | 1293 | /* do_select() must return target values and target errnos. */ |
992f48a0 | 1294 | static abi_long do_select(int n, |
26edcf41 TS |
1295 | abi_ulong rfd_addr, abi_ulong wfd_addr, |
1296 | abi_ulong efd_addr, abi_ulong target_tv_addr) | |
31e31b8a FB |
1297 | { |
1298 | fd_set rfds, wfds, efds; | |
1299 | fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; | |
6df9d38d PM |
1300 | struct timeval tv; |
1301 | struct timespec ts, *ts_ptr; | |
992f48a0 | 1302 | abi_long ret; |
31e31b8a | 1303 | |
055e0906 MF |
1304 | ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); |
1305 | if (ret) { | |
1306 | return ret; | |
53a5960a | 1307 | } |
055e0906 MF |
1308 | ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); |
1309 | if (ret) { | |
1310 | return ret; | |
53a5960a | 1311 | } |
055e0906 MF |
1312 | ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); |
1313 | if (ret) { | |
1314 | return ret; | |
53a5960a | 1315 | } |
3b46e624 | 1316 | |
26edcf41 | 1317 | if (target_tv_addr) { |
788f5ec4 TS |
1318 | if (copy_from_user_timeval(&tv, target_tv_addr)) |
1319 | return -TARGET_EFAULT; | |
6df9d38d PM |
1320 | ts.tv_sec = tv.tv_sec; |
1321 | ts.tv_nsec = tv.tv_usec * 1000; | |
1322 | ts_ptr = &ts; | |
31e31b8a | 1323 | } else { |
6df9d38d | 1324 | ts_ptr = NULL; |
31e31b8a | 1325 | } |
26edcf41 | 1326 | |
6df9d38d PM |
1327 | ret = get_errno(safe_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr, |
1328 | ts_ptr, NULL)); | |
53a5960a | 1329 | |
26edcf41 TS |
1330 | if (!is_error(ret)) { |
1331 | if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) | |
1332 | return -TARGET_EFAULT; | |
1333 | if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) | |
1334 | return -TARGET_EFAULT; | |
1335 | if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) | |
1336 | return -TARGET_EFAULT; | |
31e31b8a | 1337 | |
6df9d38d PM |
1338 | if (target_tv_addr) { |
1339 | tv.tv_sec = ts.tv_sec; | |
1340 | tv.tv_usec = ts.tv_nsec / 1000; | |
1341 | if (copy_to_user_timeval(target_tv_addr, &tv)) { | |
1342 | return -TARGET_EFAULT; | |
1343 | } | |
1344 | } | |
31e31b8a | 1345 | } |
579a97f7 | 1346 | |
31e31b8a FB |
1347 | return ret; |
1348 | } | |
5457dc9e LV |
1349 | |
1350 | #if defined(TARGET_WANT_OLD_SYS_SELECT) | |
1351 | static abi_long do_old_select(abi_ulong arg1) | |
1352 | { | |
1353 | struct target_sel_arg_struct *sel; | |
1354 | abi_ulong inp, outp, exp, tvp; | |
1355 | long nsel; | |
1356 | ||
1357 | if (!lock_user_struct(VERIFY_READ, sel, arg1, 1)) { | |
1358 | return -TARGET_EFAULT; | |
1359 | } | |
1360 | ||
1361 | nsel = tswapal(sel->n); | |
1362 | inp = tswapal(sel->inp); | |
1363 | outp = tswapal(sel->outp); | |
1364 | exp = tswapal(sel->exp); | |
1365 | tvp = tswapal(sel->tvp); | |
1366 | ||
1367 | unlock_user_struct(sel, arg1, 0); | |
1368 | ||
1369 | return do_select(nsel, inp, outp, exp, tvp); | |
1370 | } | |
1371 | #endif | |
055e0906 | 1372 | #endif |
31e31b8a | 1373 | |
e5ce9688 FB |
1374 | #if defined(TARGET_NR_pselect6) || defined(TARGET_NR_pselect6_time64) |
1375 | static abi_long do_pselect6(abi_long arg1, abi_long arg2, abi_long arg3, | |
1376 | abi_long arg4, abi_long arg5, abi_long arg6, | |
1377 | bool time64) | |
1378 | { | |
1379 | abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr; | |
1380 | fd_set rfds, wfds, efds; | |
1381 | fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; | |
1382 | struct timespec ts, *ts_ptr; | |
1383 | abi_long ret; | |
1384 | ||
1385 | /* | |
1386 | * The 6th arg is actually two args smashed together, | |
1387 | * so we cannot use the C library. | |
1388 | */ | |
e5ce9688 FB |
1389 | struct { |
1390 | sigset_t *set; | |
1391 | size_t size; | |
1392 | } sig, *sig_ptr; | |
1393 | ||
1394 | abi_ulong arg_sigset, arg_sigsize, *arg7; | |
e5ce9688 FB |
1395 | |
1396 | n = arg1; | |
1397 | rfd_addr = arg2; | |
1398 | wfd_addr = arg3; | |
1399 | efd_addr = arg4; | |
1400 | ts_addr = arg5; | |
1401 | ||
1402 | ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); | |
1403 | if (ret) { | |
1404 | return ret; | |
1405 | } | |
1406 | ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); | |
1407 | if (ret) { | |
1408 | return ret; | |
1409 | } | |
1410 | ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); | |
1411 | if (ret) { | |
1412 | return ret; | |
1413 | } | |
1414 | ||
1415 | /* | |
1416 | * This takes a timespec, and not a timeval, so we cannot | |
1417 | * use the do_select() helper ... | |
1418 | */ | |
1419 | if (ts_addr) { | |
1420 | if (time64) { | |
1421 | if (target_to_host_timespec64(&ts, ts_addr)) { | |
1422 | return -TARGET_EFAULT; | |
1423 | } | |
1424 | } else { | |
1425 | if (target_to_host_timespec(&ts, ts_addr)) { | |
1426 | return -TARGET_EFAULT; | |
1427 | } | |
1428 | } | |
1429 | ts_ptr = &ts; | |
1430 | } else { | |
1431 | ts_ptr = NULL; | |
1432 | } | |
1433 | ||
1434 | /* Extract the two packed args for the sigset */ | |
cb226034 | 1435 | sig_ptr = NULL; |
e5ce9688 | 1436 | if (arg6) { |
e5ce9688 FB |
1437 | arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1); |
1438 | if (!arg7) { | |
1439 | return -TARGET_EFAULT; | |
1440 | } | |
1441 | arg_sigset = tswapal(arg7[0]); | |
1442 | arg_sigsize = tswapal(arg7[1]); | |
1443 | unlock_user(arg7, arg6, 0); | |
1444 | ||
1445 | if (arg_sigset) { | |
cb226034 RH |
1446 | ret = process_sigsuspend_mask(&sig.set, arg_sigset, arg_sigsize); |
1447 | if (ret != 0) { | |
1448 | return ret; | |
e5ce9688 | 1449 | } |
cb226034 RH |
1450 | sig_ptr = &sig; |
1451 | sig.size = SIGSET_T_SIZE; | |
e5ce9688 | 1452 | } |
e5ce9688 FB |
1453 | } |
1454 | ||
1455 | ret = get_errno(safe_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr, | |
1456 | ts_ptr, sig_ptr)); | |
1457 | ||
cb226034 RH |
1458 | if (sig_ptr) { |
1459 | finish_sigsuspend_mask(ret); | |
1460 | } | |
1461 | ||
e5ce9688 FB |
1462 | if (!is_error(ret)) { |
1463 | if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) { | |
1464 | return -TARGET_EFAULT; | |
1465 | } | |
1466 | if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) { | |
1467 | return -TARGET_EFAULT; | |
1468 | } | |
1469 | if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) { | |
1470 | return -TARGET_EFAULT; | |
1471 | } | |
1472 | if (time64) { | |
1473 | if (ts_addr && host_to_target_timespec64(ts_addr, &ts)) { | |
1474 | return -TARGET_EFAULT; | |
1475 | } | |
1476 | } else { | |
1477 | if (ts_addr && host_to_target_timespec(ts_addr, &ts)) { | |
1478 | return -TARGET_EFAULT; | |
1479 | } | |
1480 | } | |
1481 | } | |
1482 | return ret; | |
1483 | } | |
1484 | #endif | |
1485 | ||
1486 | #if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll) || \ | |
1487 | defined(TARGET_NR_ppoll_time64) | |
1488 | static abi_long do_ppoll(abi_long arg1, abi_long arg2, abi_long arg3, | |
1489 | abi_long arg4, abi_long arg5, bool ppoll, bool time64) | |
1490 | { | |
1491 | struct target_pollfd *target_pfd; | |
1492 | unsigned int nfds = arg2; | |
1493 | struct pollfd *pfd; | |
1494 | unsigned int i; | |
1495 | abi_long ret; | |
1496 | ||
1497 | pfd = NULL; | |
1498 | target_pfd = NULL; | |
1499 | if (nfds) { | |
1500 | if (nfds > (INT_MAX / sizeof(struct target_pollfd))) { | |
1501 | return -TARGET_EINVAL; | |
1502 | } | |
1503 | target_pfd = lock_user(VERIFY_WRITE, arg1, | |
1504 | sizeof(struct target_pollfd) * nfds, 1); | |
1505 | if (!target_pfd) { | |
1506 | return -TARGET_EFAULT; | |
1507 | } | |
1508 | ||
1509 | pfd = alloca(sizeof(struct pollfd) * nfds); | |
1510 | for (i = 0; i < nfds; i++) { | |
1511 | pfd[i].fd = tswap32(target_pfd[i].fd); | |
1512 | pfd[i].events = tswap16(target_pfd[i].events); | |
1513 | } | |
1514 | } | |
1515 | if (ppoll) { | |
1516 | struct timespec _timeout_ts, *timeout_ts = &_timeout_ts; | |
db36aa7d | 1517 | sigset_t *set = NULL; |
e5ce9688 FB |
1518 | |
1519 | if (arg3) { | |
1520 | if (time64) { | |
1521 | if (target_to_host_timespec64(timeout_ts, arg3)) { | |
1522 | unlock_user(target_pfd, arg1, 0); | |
1523 | return -TARGET_EFAULT; | |
1524 | } | |
1525 | } else { | |
1526 | if (target_to_host_timespec(timeout_ts, arg3)) { | |
1527 | unlock_user(target_pfd, arg1, 0); | |
1528 | return -TARGET_EFAULT; | |
1529 | } | |
1530 | } | |
1531 | } else { | |
1532 | timeout_ts = NULL; | |
1533 | } | |
1534 | ||
1535 | if (arg4) { | |
db36aa7d RH |
1536 | ret = process_sigsuspend_mask(&set, arg4, arg5); |
1537 | if (ret != 0) { | |
e5ce9688 | 1538 | unlock_user(target_pfd, arg1, 0); |
db36aa7d | 1539 | return ret; |
e5ce9688 | 1540 | } |
e5ce9688 FB |
1541 | } |
1542 | ||
1543 | ret = get_errno(safe_ppoll(pfd, nfds, timeout_ts, | |
1544 | set, SIGSET_T_SIZE)); | |
1545 | ||
db36aa7d RH |
1546 | if (set) { |
1547 | finish_sigsuspend_mask(ret); | |
1548 | } | |
e5ce9688 FB |
1549 | if (!is_error(ret) && arg3) { |
1550 | if (time64) { | |
1551 | if (host_to_target_timespec64(arg3, timeout_ts)) { | |
1552 | return -TARGET_EFAULT; | |
1553 | } | |
1554 | } else { | |
1555 | if (host_to_target_timespec(arg3, timeout_ts)) { | |
1556 | return -TARGET_EFAULT; | |
1557 | } | |
1558 | } | |
1559 | } | |
e5ce9688 FB |
1560 | } else { |
1561 | struct timespec ts, *pts; | |
1562 | ||
1563 | if (arg3 >= 0) { | |
1564 | /* Convert ms to secs, ns */ | |
1565 | ts.tv_sec = arg3 / 1000; | |
1566 | ts.tv_nsec = (arg3 % 1000) * 1000000LL; | |
1567 | pts = &ts; | |
1568 | } else { | |
1569 | /* -ve poll() timeout means "infinite" */ | |
1570 | pts = NULL; | |
1571 | } | |
1572 | ret = get_errno(safe_ppoll(pfd, nfds, pts, NULL, 0)); | |
1573 | } | |
1574 | ||
1575 | if (!is_error(ret)) { | |
1576 | for (i = 0; i < nfds; i++) { | |
1577 | target_pfd[i].revents = tswap16(pfd[i].revents); | |
1578 | } | |
1579 | } | |
1580 | unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds); | |
1581 | return ret; | |
1582 | } | |
1583 | #endif | |
1584 | ||
a0939b89 | 1585 | static abi_long do_pipe(CPUArchState *cpu_env, abi_ulong pipedes, |
fb41a66e | 1586 | int flags, int is_pipe2) |
099d6b0f RV |
1587 | { |
1588 | int host_pipe[2]; | |
1589 | abi_long ret; | |
499d8055 | 1590 | ret = pipe2(host_pipe, flags); |
099d6b0f RV |
1591 | |
1592 | if (is_error(ret)) | |
1593 | return get_errno(ret); | |
fb41a66e RH |
1594 | |
1595 | /* Several targets have special calling conventions for the original | |
1596 | pipe syscall, but didn't replicate this into the pipe2 syscall. */ | |
1597 | if (!is_pipe2) { | |
1598 | #if defined(TARGET_ALPHA) | |
0effdc29 | 1599 | cpu_env->ir[IR_A4] = host_pipe[1]; |
fb41a66e RH |
1600 | return host_pipe[0]; |
1601 | #elif defined(TARGET_MIPS) | |
0effdc29 | 1602 | cpu_env->active_tc.gpr[3] = host_pipe[1]; |
fb41a66e RH |
1603 | return host_pipe[0]; |
1604 | #elif defined(TARGET_SH4) | |
0effdc29 | 1605 | cpu_env->gregs[1] = host_pipe[1]; |
fb41a66e | 1606 | return host_pipe[0]; |
82f05b69 | 1607 | #elif defined(TARGET_SPARC) |
0effdc29 | 1608 | cpu_env->regwptr[1] = host_pipe[1]; |
82f05b69 | 1609 | return host_pipe[0]; |
597c0212 | 1610 | #endif |
fb41a66e RH |
1611 | } |
1612 | ||
099d6b0f | 1613 | if (put_user_s32(host_pipe[0], pipedes) |
6f200f51 | 1614 | || put_user_s32(host_pipe[1], pipedes + sizeof(abi_int))) |
099d6b0f | 1615 | return -TARGET_EFAULT; |
099d6b0f RV |
1616 | return get_errno(ret); |
1617 | } | |
1618 | ||
7b36f782 | 1619 | static inline abi_long target_to_host_sockaddr(int fd, struct sockaddr *addr, |
579a97f7 FB |
1620 | abi_ulong target_addr, |
1621 | socklen_t len) | |
7854b056 | 1622 | { |
607175e0 AJ |
1623 | const socklen_t unix_maxlen = sizeof (struct sockaddr_un); |
1624 | sa_family_t sa_family; | |
53a5960a PB |
1625 | struct target_sockaddr *target_saddr; |
1626 | ||
7b36f782 LV |
1627 | if (fd_trans_target_to_host_addr(fd)) { |
1628 | return fd_trans_target_to_host_addr(fd)(addr, target_addr, len); | |
1629 | } | |
1630 | ||
579a97f7 FB |
1631 | target_saddr = lock_user(VERIFY_READ, target_addr, len, 1); |
1632 | if (!target_saddr) | |
1633 | return -TARGET_EFAULT; | |
607175e0 AJ |
1634 | |
1635 | sa_family = tswap16(target_saddr->sa_family); | |
1636 | ||
1637 | /* Oops. The caller might send a incomplete sun_path; sun_path | |
1638 | * must be terminated by \0 (see the manual page), but | |
1639 | * unfortunately it is quite common to specify sockaddr_un | |
1640 | * length as "strlen(x->sun_path)" while it should be | |
1641 | * "strlen(...) + 1". We'll fix that here if needed. | |
1642 | * Linux kernel has a similar feature. | |
1643 | */ | |
1644 | ||
1645 | if (sa_family == AF_UNIX) { | |
1646 | if (len < unix_maxlen && len > 0) { | |
1647 | char *cp = (char*)target_saddr; | |
1648 | ||
1649 | if ( cp[len-1] && !cp[len] ) | |
1650 | len++; | |
1651 | } | |
1652 | if (len > unix_maxlen) | |
1653 | len = unix_maxlen; | |
1654 | } | |
1655 | ||
53a5960a | 1656 | memcpy(addr, target_saddr, len); |
607175e0 | 1657 | addr->sa_family = sa_family; |
6c5b5645 LV |
1658 | if (sa_family == AF_NETLINK) { |
1659 | struct sockaddr_nl *nladdr; | |
1660 | ||
1661 | nladdr = (struct sockaddr_nl *)addr; | |
1662 | nladdr->nl_pid = tswap32(nladdr->nl_pid); | |
1663 | nladdr->nl_groups = tswap32(nladdr->nl_groups); | |
1664 | } else if (sa_family == AF_PACKET) { | |
33a29b51 JT |
1665 | struct target_sockaddr_ll *lladdr; |
1666 | ||
1667 | lladdr = (struct target_sockaddr_ll *)addr; | |
1668 | lladdr->sll_ifindex = tswap32(lladdr->sll_ifindex); | |
1669 | lladdr->sll_hatype = tswap16(lladdr->sll_hatype); | |
44cf6731 MM |
1670 | } else if (sa_family == AF_INET6) { |
1671 | struct sockaddr_in6 *in6addr; | |
1672 | ||
1673 | in6addr = (struct sockaddr_in6 *)addr; | |
1674 | in6addr->sin6_scope_id = tswap32(in6addr->sin6_scope_id); | |
33a29b51 | 1675 | } |
53a5960a | 1676 | unlock_user(target_saddr, target_addr, 0); |
579a97f7 FB |
1677 | |
1678 | return 0; | |
7854b056 FB |
1679 | } |
1680 | ||
579a97f7 FB |
1681 | static inline abi_long host_to_target_sockaddr(abi_ulong target_addr, |
1682 | struct sockaddr *addr, | |
1683 | socklen_t len) | |
7854b056 | 1684 | { |
53a5960a PB |
1685 | struct target_sockaddr *target_saddr; |
1686 | ||
a1e22192 PM |
1687 | if (len == 0) { |
1688 | return 0; | |
1689 | } | |
6860710c | 1690 | assert(addr); |
a1e22192 | 1691 | |
579a97f7 FB |
1692 | target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0); |
1693 | if (!target_saddr) | |
1694 | return -TARGET_EFAULT; | |
53a5960a | 1695 | memcpy(target_saddr, addr, len); |
a1e22192 PM |
1696 | if (len >= offsetof(struct target_sockaddr, sa_family) + |
1697 | sizeof(target_saddr->sa_family)) { | |
1698 | target_saddr->sa_family = tswap16(addr->sa_family); | |
1699 | } | |
a47401bc PMD |
1700 | if (addr->sa_family == AF_NETLINK && |
1701 | len >= sizeof(struct target_sockaddr_nl)) { | |
1702 | struct target_sockaddr_nl *target_nl = | |
1703 | (struct target_sockaddr_nl *)target_saddr; | |
6c5b5645 LV |
1704 | target_nl->nl_pid = tswap32(target_nl->nl_pid); |
1705 | target_nl->nl_groups = tswap32(target_nl->nl_groups); | |
a82ea939 LV |
1706 | } else if (addr->sa_family == AF_PACKET) { |
1707 | struct sockaddr_ll *target_ll = (struct sockaddr_ll *)target_saddr; | |
1708 | target_ll->sll_ifindex = tswap32(target_ll->sll_ifindex); | |
1709 | target_ll->sll_hatype = tswap16(target_ll->sll_hatype); | |
ee1ac3a1 HD |
1710 | } else if (addr->sa_family == AF_INET6 && |
1711 | len >= sizeof(struct target_sockaddr_in6)) { | |
1712 | struct target_sockaddr_in6 *target_in6 = | |
1713 | (struct target_sockaddr_in6 *)target_saddr; | |
1714 | target_in6->sin6_scope_id = tswap16(target_in6->sin6_scope_id); | |
6c5b5645 | 1715 | } |
53a5960a | 1716 | unlock_user(target_saddr, target_addr, len); |
579a97f7 FB |
1717 | |
1718 | return 0; | |
7854b056 FB |
1719 | } |
1720 | ||
5a4a898d FB |
1721 | static inline abi_long target_to_host_cmsg(struct msghdr *msgh, |
1722 | struct target_msghdr *target_msgh) | |
7854b056 FB |
1723 | { |
1724 | struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); | |
5a4a898d FB |
1725 | abi_long msg_controllen; |
1726 | abi_ulong target_cmsg_addr; | |
ee104587 | 1727 | struct target_cmsghdr *target_cmsg, *target_cmsg_start; |
7854b056 | 1728 | socklen_t space = 0; |
5a4a898d | 1729 | |
cbb21eed | 1730 | msg_controllen = tswapal(target_msgh->msg_controllen); |
5a4a898d FB |
1731 | if (msg_controllen < sizeof (struct target_cmsghdr)) |
1732 | goto the_end; | |
cbb21eed | 1733 | target_cmsg_addr = tswapal(target_msgh->msg_control); |
5a4a898d | 1734 | target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1); |
ee104587 | 1735 | target_cmsg_start = target_cmsg; |
5a4a898d FB |
1736 | if (!target_cmsg) |
1737 | return -TARGET_EFAULT; | |
7854b056 FB |
1738 | |
1739 | while (cmsg && target_cmsg) { | |
1740 | void *data = CMSG_DATA(cmsg); | |
1741 | void *target_data = TARGET_CMSG_DATA(target_cmsg); | |
1742 | ||
cbb21eed | 1743 | int len = tswapal(target_cmsg->cmsg_len) |
ad762b99 | 1744 | - sizeof(struct target_cmsghdr); |
7854b056 FB |
1745 | |
1746 | space += CMSG_SPACE(len); | |
1747 | if (space > msgh->msg_controllen) { | |
1748 | space -= CMSG_SPACE(len); | |
c2aeb258 PM |
1749 | /* This is a QEMU bug, since we allocated the payload |
1750 | * area ourselves (unlike overflow in host-to-target | |
1751 | * conversion, which is just the guest giving us a buffer | |
1752 | * that's too small). It can't happen for the payload types | |
1753 | * we currently support; if it becomes an issue in future | |
1754 | * we would need to improve our allocation strategy to | |
1755 | * something more intelligent than "twice the size of the | |
1756 | * target buffer we're reading from". | |
1757 | */ | |
39be5350 JK |
1758 | qemu_log_mask(LOG_UNIMP, |
1759 | ("Unsupported ancillary data %d/%d: " | |
1760 | "unhandled msg size\n"), | |
1761 | tswap32(target_cmsg->cmsg_level), | |
1762 | tswap32(target_cmsg->cmsg_type)); | |
7854b056 FB |
1763 | break; |
1764 | } | |
1765 | ||
dbf4f796 PJ |
1766 | if (tswap32(target_cmsg->cmsg_level) == TARGET_SOL_SOCKET) { |
1767 | cmsg->cmsg_level = SOL_SOCKET; | |
1768 | } else { | |
1769 | cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level); | |
1770 | } | |
7854b056 FB |
1771 | cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type); |
1772 | cmsg->cmsg_len = CMSG_LEN(len); | |
1773 | ||
30b8b68e | 1774 | if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS) { |
7854b056 FB |
1775 | int *fd = (int *)data; |
1776 | int *target_fd = (int *)target_data; | |
1777 | int i, numfds = len / sizeof(int); | |
1778 | ||
876e23cb PM |
1779 | for (i = 0; i < numfds; i++) { |
1780 | __get_user(fd[i], target_fd + i); | |
1781 | } | |
30b8b68e AS |
1782 | } else if (cmsg->cmsg_level == SOL_SOCKET |
1783 | && cmsg->cmsg_type == SCM_CREDENTIALS) { | |
1784 | struct ucred *cred = (struct ucred *)data; | |
1785 | struct target_ucred *target_cred = | |
1786 | (struct target_ucred *)target_data; | |
1787 | ||
876e23cb PM |
1788 | __get_user(cred->pid, &target_cred->pid); |
1789 | __get_user(cred->uid, &target_cred->uid); | |
1790 | __get_user(cred->gid, &target_cred->gid); | |
27404b6c HD |
1791 | } else if (cmsg->cmsg_level == SOL_ALG) { |
1792 | uint32_t *dst = (uint32_t *)data; | |
1793 | ||
1794 | memcpy(dst, target_data, len); | |
669dcb60 | 1795 | /* fix endianness of first 32-bit word */ |
27404b6c HD |
1796 | if (len >= sizeof(uint32_t)) { |
1797 | *dst = tswap32(*dst); | |
1798 | } | |
30b8b68e | 1799 | } else { |
39be5350 JK |
1800 | qemu_log_mask(LOG_UNIMP, "Unsupported ancillary data: %d/%d\n", |
1801 | cmsg->cmsg_level, cmsg->cmsg_type); | |
30b8b68e | 1802 | memcpy(data, target_data, len); |
7854b056 FB |
1803 | } |
1804 | ||
1805 | cmsg = CMSG_NXTHDR(msgh, cmsg); | |
ee104587 JN |
1806 | target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg, |
1807 | target_cmsg_start); | |
7854b056 | 1808 | } |
5a4a898d FB |
1809 | unlock_user(target_cmsg, target_cmsg_addr, 0); |
1810 | the_end: | |
7854b056 | 1811 | msgh->msg_controllen = space; |
5a4a898d | 1812 | return 0; |
7854b056 FB |
1813 | } |
1814 | ||
5a4a898d FB |
1815 | static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh, |
1816 | struct msghdr *msgh) | |
7854b056 FB |
1817 | { |
1818 | struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); | |
5a4a898d FB |
1819 | abi_long msg_controllen; |
1820 | abi_ulong target_cmsg_addr; | |
ee104587 | 1821 | struct target_cmsghdr *target_cmsg, *target_cmsg_start; |
7854b056 FB |
1822 | socklen_t space = 0; |
1823 | ||
cbb21eed | 1824 | msg_controllen = tswapal(target_msgh->msg_controllen); |
5a4a898d FB |
1825 | if (msg_controllen < sizeof (struct target_cmsghdr)) |
1826 | goto the_end; | |
cbb21eed | 1827 | target_cmsg_addr = tswapal(target_msgh->msg_control); |
5a4a898d | 1828 | target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0); |
ee104587 | 1829 | target_cmsg_start = target_cmsg; |
5a4a898d FB |
1830 | if (!target_cmsg) |
1831 | return -TARGET_EFAULT; | |
1832 | ||
7854b056 FB |
1833 | while (cmsg && target_cmsg) { |
1834 | void *data = CMSG_DATA(cmsg); | |
1835 | void *target_data = TARGET_CMSG_DATA(target_cmsg); | |
1836 | ||
ad762b99 | 1837 | int len = cmsg->cmsg_len - sizeof(struct cmsghdr); |
c2aeb258 | 1838 | int tgt_len, tgt_space; |
7854b056 | 1839 | |
c2aeb258 PM |
1840 | /* We never copy a half-header but may copy half-data; |
1841 | * this is Linux's behaviour in put_cmsg(). Note that | |
1842 | * truncation here is a guest problem (which we report | |
1843 | * to the guest via the CTRUNC bit), unlike truncation | |
1844 | * in target_to_host_cmsg, which is a QEMU bug. | |
1845 | */ | |
7174970a | 1846 | if (msg_controllen < sizeof(struct target_cmsghdr)) { |
c2aeb258 | 1847 | target_msgh->msg_flags |= tswap32(MSG_CTRUNC); |
7854b056 FB |
1848 | break; |
1849 | } | |
1850 | ||
dbf4f796 PJ |
1851 | if (cmsg->cmsg_level == SOL_SOCKET) { |
1852 | target_cmsg->cmsg_level = tswap32(TARGET_SOL_SOCKET); | |
1853 | } else { | |
1854 | target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level); | |
1855 | } | |
7854b056 | 1856 | target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type); |
7854b056 | 1857 | |
c2aeb258 PM |
1858 | /* Payload types which need a different size of payload on |
1859 | * the target must adjust tgt_len here. | |
1860 | */ | |
309786cf | 1861 | tgt_len = len; |
c2aeb258 PM |
1862 | switch (cmsg->cmsg_level) { |
1863 | case SOL_SOCKET: | |
1864 | switch (cmsg->cmsg_type) { | |
1865 | case SO_TIMESTAMP: | |
1866 | tgt_len = sizeof(struct target_timeval); | |
1867 | break; | |
1868 | default: | |
1869 | break; | |
1870 | } | |
309786cf | 1871 | break; |
c2aeb258 PM |
1872 | default: |
1873 | break; | |
1874 | } | |
1875 | ||
7174970a | 1876 | if (msg_controllen < TARGET_CMSG_LEN(tgt_len)) { |
c2aeb258 | 1877 | target_msgh->msg_flags |= tswap32(MSG_CTRUNC); |
7174970a | 1878 | tgt_len = msg_controllen - sizeof(struct target_cmsghdr); |
c2aeb258 PM |
1879 | } |
1880 | ||
1881 | /* We must now copy-and-convert len bytes of payload | |
1882 | * into tgt_len bytes of destination space. Bear in mind | |
1883 | * that in both source and destination we may be dealing | |
1884 | * with a truncated value! | |
1885 | */ | |
52b65494 HD |
1886 | switch (cmsg->cmsg_level) { |
1887 | case SOL_SOCKET: | |
1888 | switch (cmsg->cmsg_type) { | |
1889 | case SCM_RIGHTS: | |
1890 | { | |
1891 | int *fd = (int *)data; | |
1892 | int *target_fd = (int *)target_data; | |
c2aeb258 | 1893 | int i, numfds = tgt_len / sizeof(int); |
52b65494 | 1894 | |
876e23cb PM |
1895 | for (i = 0; i < numfds; i++) { |
1896 | __put_user(fd[i], target_fd + i); | |
1897 | } | |
52b65494 HD |
1898 | break; |
1899 | } | |
1900 | case SO_TIMESTAMP: | |
1901 | { | |
1902 | struct timeval *tv = (struct timeval *)data; | |
1903 | struct target_timeval *target_tv = | |
1904 | (struct target_timeval *)target_data; | |
1905 | ||
c2aeb258 PM |
1906 | if (len != sizeof(struct timeval) || |
1907 | tgt_len != sizeof(struct target_timeval)) { | |
52b65494 | 1908 | goto unimplemented; |
c2aeb258 | 1909 | } |
52b65494 HD |
1910 | |
1911 | /* copy struct timeval to target */ | |
876e23cb PM |
1912 | __put_user(tv->tv_sec, &target_tv->tv_sec); |
1913 | __put_user(tv->tv_usec, &target_tv->tv_usec); | |
52b65494 HD |
1914 | break; |
1915 | } | |
4bc29756 HD |
1916 | case SCM_CREDENTIALS: |
1917 | { | |
1918 | struct ucred *cred = (struct ucred *)data; | |
1919 | struct target_ucred *target_cred = | |
1920 | (struct target_ucred *)target_data; | |
1921 | ||
1922 | __put_user(cred->pid, &target_cred->pid); | |
1923 | __put_user(cred->uid, &target_cred->uid); | |
1924 | __put_user(cred->gid, &target_cred->gid); | |
1925 | break; | |
1926 | } | |
52b65494 HD |
1927 | default: |
1928 | goto unimplemented; | |
1929 | } | |
1930 | break; | |
7854b056 | 1931 | |
ee1ac3a1 HD |
1932 | case SOL_IP: |
1933 | switch (cmsg->cmsg_type) { | |
1934 | case IP_TTL: | |
1935 | { | |
1936 | uint32_t *v = (uint32_t *)data; | |
1937 | uint32_t *t_int = (uint32_t *)target_data; | |
1938 | ||
7174970a PM |
1939 | if (len != sizeof(uint32_t) || |
1940 | tgt_len != sizeof(uint32_t)) { | |
1941 | goto unimplemented; | |
1942 | } | |
ee1ac3a1 HD |
1943 | __put_user(*v, t_int); |
1944 | break; | |
1945 | } | |
1946 | case IP_RECVERR: | |
1947 | { | |
1948 | struct errhdr_t { | |
1949 | struct sock_extended_err ee; | |
1950 | struct sockaddr_in offender; | |
1951 | }; | |
1952 | struct errhdr_t *errh = (struct errhdr_t *)data; | |
1953 | struct errhdr_t *target_errh = | |
1954 | (struct errhdr_t *)target_data; | |
1955 | ||
7174970a PM |
1956 | if (len != sizeof(struct errhdr_t) || |
1957 | tgt_len != sizeof(struct errhdr_t)) { | |
1958 | goto unimplemented; | |
1959 | } | |
ee1ac3a1 HD |
1960 | __put_user(errh->ee.ee_errno, &target_errh->ee.ee_errno); |
1961 | __put_user(errh->ee.ee_origin, &target_errh->ee.ee_origin); | |
1962 | __put_user(errh->ee.ee_type, &target_errh->ee.ee_type); | |
1963 | __put_user(errh->ee.ee_code, &target_errh->ee.ee_code); | |
1964 | __put_user(errh->ee.ee_pad, &target_errh->ee.ee_pad); | |
1965 | __put_user(errh->ee.ee_info, &target_errh->ee.ee_info); | |
1966 | __put_user(errh->ee.ee_data, &target_errh->ee.ee_data); | |
1967 | host_to_target_sockaddr((unsigned long) &target_errh->offender, | |
1968 | (void *) &errh->offender, sizeof(errh->offender)); | |
1969 | break; | |
1970 | } | |
1971 | default: | |
1972 | goto unimplemented; | |
1973 | } | |
1974 | break; | |
1975 | ||
1976 | case SOL_IPV6: | |
1977 | switch (cmsg->cmsg_type) { | |
1978 | case IPV6_HOPLIMIT: | |
1979 | { | |
1980 | uint32_t *v = (uint32_t *)data; | |
1981 | uint32_t *t_int = (uint32_t *)target_data; | |
1982 | ||
7174970a PM |
1983 | if (len != sizeof(uint32_t) || |
1984 | tgt_len != sizeof(uint32_t)) { | |
1985 | goto unimplemented; | |
1986 | } | |
ee1ac3a1 HD |
1987 | __put_user(*v, t_int); |
1988 | break; | |
1989 | } | |
1990 | case IPV6_RECVERR: | |
1991 | { | |
1992 | struct errhdr6_t { | |
1993 | struct sock_extended_err ee; | |
1994 | struct sockaddr_in6 offender; | |
1995 | }; | |
1996 | struct errhdr6_t *errh = (struct errhdr6_t *)data; | |
1997 | struct errhdr6_t *target_errh = | |
1998 | (struct errhdr6_t *)target_data; | |
1999 | ||
7174970a PM |
2000 | if (len != sizeof(struct errhdr6_t) || |
2001 | tgt_len != sizeof(struct errhdr6_t)) { | |
2002 | goto unimplemented; | |
2003 | } | |
ee1ac3a1 HD |
2004 | __put_user(errh->ee.ee_errno, &target_errh->ee.ee_errno); |
2005 | __put_user(errh->ee.ee_origin, &target_errh->ee.ee_origin); | |
2006 | __put_user(errh->ee.ee_type, &target_errh->ee.ee_type); | |
2007 | __put_user(errh->ee.ee_code, &target_errh->ee.ee_code); | |
2008 | __put_user(errh->ee.ee_pad, &target_errh->ee.ee_pad); | |
2009 | __put_user(errh->ee.ee_info, &target_errh->ee.ee_info); | |
2010 | __put_user(errh->ee.ee_data, &target_errh->ee.ee_data); | |
2011 | host_to_target_sockaddr((unsigned long) &target_errh->offender, | |
2012 | (void *) &errh->offender, sizeof(errh->offender)); | |
2013 | break; | |
2014 | } | |
2015 | default: | |
2016 | goto unimplemented; | |
2017 | } | |
2018 | break; | |
2019 | ||
52b65494 HD |
2020 | default: |
2021 | unimplemented: | |
39be5350 JK |
2022 | qemu_log_mask(LOG_UNIMP, "Unsupported ancillary data: %d/%d\n", |
2023 | cmsg->cmsg_level, cmsg->cmsg_type); | |
c2aeb258 PM |
2024 | memcpy(target_data, data, MIN(len, tgt_len)); |
2025 | if (tgt_len > len) { | |
2026 | memset(target_data + len, 0, tgt_len - len); | |
2027 | } | |
7854b056 FB |
2028 | } |
2029 | ||
7174970a PM |
2030 | target_cmsg->cmsg_len = tswapal(TARGET_CMSG_LEN(tgt_len)); |
2031 | tgt_space = TARGET_CMSG_SPACE(tgt_len); | |
c2aeb258 PM |
2032 | if (msg_controllen < tgt_space) { |
2033 | tgt_space = msg_controllen; | |
2034 | } | |
2035 | msg_controllen -= tgt_space; | |
2036 | space += tgt_space; | |
7854b056 | 2037 | cmsg = CMSG_NXTHDR(msgh, cmsg); |
ee104587 JN |
2038 | target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg, |
2039 | target_cmsg_start); | |
7854b056 | 2040 | } |
5a4a898d FB |
2041 | unlock_user(target_cmsg, target_cmsg_addr, space); |
2042 | the_end: | |
cbb21eed | 2043 | target_msgh->msg_controllen = tswapal(space); |
5a4a898d | 2044 | return 0; |
7854b056 FB |
2045 | } |
2046 | ||
0da46a6e | 2047 | /* do_setsockopt() Must return target values and target errnos. */ |
992f48a0 | 2048 | static abi_long do_setsockopt(int sockfd, int level, int optname, |
2f619698 | 2049 | abi_ulong optval_addr, socklen_t optlen) |
7854b056 | 2050 | { |
992f48a0 | 2051 | abi_long ret; |
32407103 | 2052 | int val; |
3b46e624 | 2053 | |
8853f86e FB |
2054 | switch(level) { |
2055 | case SOL_TCP: | |
fe51b0a5 SCW |
2056 | case SOL_UDP: |
2057 | /* TCP and UDP options all take an 'int' value. */ | |
7854b056 | 2058 | if (optlen < sizeof(uint32_t)) |
0da46a6e | 2059 | return -TARGET_EINVAL; |
3b46e624 | 2060 | |
2f619698 FB |
2061 | if (get_user_u32(val, optval_addr)) |
2062 | return -TARGET_EFAULT; | |
8853f86e FB |
2063 | ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); |
2064 | break; | |
2065 | case SOL_IP: | |
2066 | switch(optname) { | |
2efbe911 FB |
2067 | case IP_TOS: |
2068 | case IP_TTL: | |
8853f86e | 2069 | case IP_HDRINCL: |
2efbe911 FB |
2070 | case IP_ROUTER_ALERT: |
2071 | case IP_RECVOPTS: | |
2072 | case IP_RETOPTS: | |
2073 | case IP_PKTINFO: | |
2074 | case IP_MTU_DISCOVER: | |
2075 | case IP_RECVERR: | |
ee1ac3a1 | 2076 | case IP_RECVTTL: |
2efbe911 FB |
2077 | case IP_RECVTOS: |
2078 | #ifdef IP_FREEBIND | |
2079 | case IP_FREEBIND: | |
2080 | #endif | |
2081 | case IP_MULTICAST_TTL: | |
2082 | case IP_MULTICAST_LOOP: | |
8853f86e FB |
2083 | val = 0; |
2084 | if (optlen >= sizeof(uint32_t)) { | |
2f619698 FB |
2085 | if (get_user_u32(val, optval_addr)) |
2086 | return -TARGET_EFAULT; | |
8853f86e | 2087 | } else if (optlen >= 1) { |
2f619698 FB |
2088 | if (get_user_u8(val, optval_addr)) |
2089 | return -TARGET_EFAULT; | |
8853f86e FB |
2090 | } |
2091 | ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); | |
2092 | break; | |
b975b83b LL |
2093 | case IP_ADD_MEMBERSHIP: |
2094 | case IP_DROP_MEMBERSHIP: | |
124a1341 MT |
2095 | { |
2096 | struct ip_mreqn ip_mreq; | |
2097 | struct target_ip_mreqn *target_smreqn; | |
2098 | ||
2099 | QEMU_BUILD_BUG_ON(sizeof(struct ip_mreq) != | |
2100 | sizeof(struct target_ip_mreq)); | |
2101 | ||
b975b83b | 2102 | if (optlen < sizeof (struct target_ip_mreq) || |
124a1341 | 2103 | optlen > sizeof (struct target_ip_mreqn)) { |
b975b83b | 2104 | return -TARGET_EINVAL; |
124a1341 | 2105 | } |
b975b83b | 2106 | |
124a1341 MT |
2107 | target_smreqn = lock_user(VERIFY_READ, optval_addr, optlen, 1); |
2108 | if (!target_smreqn) { | |
2109 | return -TARGET_EFAULT; | |
2110 | } | |
2111 | ip_mreq.imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr; | |
2112 | ip_mreq.imr_address.s_addr = target_smreqn->imr_address.s_addr; | |
2113 | if (optlen == sizeof(struct target_ip_mreqn)) { | |
2114 | ip_mreq.imr_ifindex = tswapal(target_smreqn->imr_ifindex); | |
2115 | optlen = sizeof(struct ip_mreqn); | |
2116 | } | |
2117 | unlock_user(target_smreqn, optval_addr, 0); | |
b975b83b | 2118 | |
124a1341 MT |
2119 | ret = get_errno(setsockopt(sockfd, level, optname, &ip_mreq, optlen)); |
2120 | break; | |
2121 | } | |
6e3cb58f LL |
2122 | case IP_BLOCK_SOURCE: |
2123 | case IP_UNBLOCK_SOURCE: | |
2124 | case IP_ADD_SOURCE_MEMBERSHIP: | |
2125 | case IP_DROP_SOURCE_MEMBERSHIP: | |
166bd92e MT |
2126 | { |
2127 | struct ip_mreq_source *ip_mreq_source; | |
2128 | ||
6e3cb58f LL |
2129 | if (optlen != sizeof (struct target_ip_mreq_source)) |
2130 | return -TARGET_EINVAL; | |
2131 | ||
2132 | ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1); | |
74e43b04 PM |
2133 | if (!ip_mreq_source) { |
2134 | return -TARGET_EFAULT; | |
2135 | } | |
6e3cb58f LL |
2136 | ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen)); |
2137 | unlock_user (ip_mreq_source, optval_addr, 0); | |
2138 | break; | |
166bd92e | 2139 | } |
920394db JH |
2140 | default: |
2141 | goto unimplemented; | |
2142 | } | |
2143 | break; | |
0d78b3b5 LV |
2144 | case SOL_IPV6: |
2145 | switch (optname) { | |
2146 | case IPV6_MTU_DISCOVER: | |
2147 | case IPV6_MTU: | |
2148 | case IPV6_V6ONLY: | |
2149 | case IPV6_RECVPKTINFO: | |
ee1ac3a1 | 2150 | case IPV6_UNICAST_HOPS: |
21749c4c LV |
2151 | case IPV6_MULTICAST_HOPS: |
2152 | case IPV6_MULTICAST_LOOP: | |
ee1ac3a1 HD |
2153 | case IPV6_RECVERR: |
2154 | case IPV6_RECVHOPLIMIT: | |
2155 | case IPV6_2292HOPLIMIT: | |
2156 | case IPV6_CHECKSUM: | |
b9cce6d7 HD |
2157 | case IPV6_ADDRFORM: |
2158 | case IPV6_2292PKTINFO: | |
2159 | case IPV6_RECVTCLASS: | |
2160 | case IPV6_RECVRTHDR: | |
2161 | case IPV6_2292RTHDR: | |
2162 | case IPV6_RECVHOPOPTS: | |
2163 | case IPV6_2292HOPOPTS: | |
2164 | case IPV6_RECVDSTOPTS: | |
2165 | case IPV6_2292DSTOPTS: | |
2166 | case IPV6_TCLASS: | |
22db1213 | 2167 | case IPV6_ADDR_PREFERENCES: |
b9cce6d7 HD |
2168 | #ifdef IPV6_RECVPATHMTU |
2169 | case IPV6_RECVPATHMTU: | |
2170 | #endif | |
2171 | #ifdef IPV6_TRANSPARENT | |
2172 | case IPV6_TRANSPARENT: | |
2173 | #endif | |
2174 | #ifdef IPV6_FREEBIND | |
2175 | case IPV6_FREEBIND: | |
2176 | #endif | |
2177 | #ifdef IPV6_RECVORIGDSTADDR | |
2178 | case IPV6_RECVORIGDSTADDR: | |
2179 | #endif | |
0d78b3b5 LV |
2180 | val = 0; |
2181 | if (optlen < sizeof(uint32_t)) { | |
2182 | return -TARGET_EINVAL; | |
2183 | } | |
2184 | if (get_user_u32(val, optval_addr)) { | |
2185 | return -TARGET_EFAULT; | |
2186 | } | |
2187 | ret = get_errno(setsockopt(sockfd, level, optname, | |
2188 | &val, sizeof(val))); | |
2189 | break; | |
ee1ac3a1 HD |
2190 | case IPV6_PKTINFO: |
2191 | { | |
2192 | struct in6_pktinfo pki; | |
2193 | ||
2194 | if (optlen < sizeof(pki)) { | |
2195 | return -TARGET_EINVAL; | |
2196 | } | |
2197 | ||
2198 | if (copy_from_user(&pki, optval_addr, sizeof(pki))) { | |
2199 | return -TARGET_EFAULT; | |
2200 | } | |
2201 | ||
2202 | pki.ipi6_ifindex = tswap32(pki.ipi6_ifindex); | |
2203 | ||
2204 | ret = get_errno(setsockopt(sockfd, level, optname, | |
2205 | &pki, sizeof(pki))); | |
2206 | break; | |
2207 | } | |
22bf4ee9 NC |
2208 | case IPV6_ADD_MEMBERSHIP: |
2209 | case IPV6_DROP_MEMBERSHIP: | |
2210 | { | |
2211 | struct ipv6_mreq ipv6mreq; | |
2212 | ||
2213 | if (optlen < sizeof(ipv6mreq)) { | |
2214 | return -TARGET_EINVAL; | |
2215 | } | |
2216 | ||
2217 | if (copy_from_user(&ipv6mreq, optval_addr, sizeof(ipv6mreq))) { | |
2218 | return -TARGET_EFAULT; | |
2219 | } | |
2220 | ||
2221 | ipv6mreq.ipv6mr_interface = tswap32(ipv6mreq.ipv6mr_interface); | |
2222 | ||
2223 | ret = get_errno(setsockopt(sockfd, level, optname, | |
2224 | &ipv6mreq, sizeof(ipv6mreq))); | |
2225 | break; | |
2226 | } | |
ee1ac3a1 HD |
2227 | default: |
2228 | goto unimplemented; | |
2229 | } | |
2230 | break; | |
2231 | case SOL_ICMPV6: | |
2232 | switch (optname) { | |
2233 | case ICMPV6_FILTER: | |
2234 | { | |
2235 | struct icmp6_filter icmp6f; | |
2236 | ||
2237 | if (optlen > sizeof(icmp6f)) { | |
2238 | optlen = sizeof(icmp6f); | |
2239 | } | |
2240 | ||
2241 | if (copy_from_user(&icmp6f, optval_addr, optlen)) { | |
2242 | return -TARGET_EFAULT; | |
2243 | } | |
2244 | ||
2245 | for (val = 0; val < 8; val++) { | |
2246 | icmp6f.data[val] = tswap32(icmp6f.data[val]); | |
2247 | } | |
2248 | ||
2249 | ret = get_errno(setsockopt(sockfd, level, optname, | |
2250 | &icmp6f, optlen)); | |
2251 | break; | |
2252 | } | |
0d78b3b5 LV |
2253 | default: |
2254 | goto unimplemented; | |
2255 | } | |
2256 | break; | |
920394db JH |
2257 | case SOL_RAW: |
2258 | switch (optname) { | |
2259 | case ICMP_FILTER: | |
ee1ac3a1 HD |
2260 | case IPV6_CHECKSUM: |
2261 | /* those take an u32 value */ | |
920394db JH |
2262 | if (optlen < sizeof(uint32_t)) { |
2263 | return -TARGET_EINVAL; | |
2264 | } | |
2265 | ||
2266 | if (get_user_u32(val, optval_addr)) { | |
2267 | return -TARGET_EFAULT; | |
2268 | } | |
2269 | ret = get_errno(setsockopt(sockfd, level, optname, | |
2270 | &val, sizeof(val))); | |
2271 | break; | |
2272 | ||
8853f86e FB |
2273 | default: |
2274 | goto unimplemented; | |
2275 | } | |
2276 | break; | |
f31dddd2 YS |
2277 | #if defined(SOL_ALG) && defined(ALG_SET_KEY) && defined(ALG_SET_AEAD_AUTHSIZE) |
2278 | case SOL_ALG: | |
2279 | switch (optname) { | |
2280 | case ALG_SET_KEY: | |
2281 | { | |
04f6fb89 | 2282 | char *alg_key = lock_user(VERIFY_READ, optval_addr, optlen, 1); |
f31dddd2 | 2283 | if (!alg_key) { |
f31dddd2 YS |
2284 | return -TARGET_EFAULT; |
2285 | } | |
2286 | ret = get_errno(setsockopt(sockfd, level, optname, | |
2287 | alg_key, optlen)); | |
04f6fb89 | 2288 | unlock_user(alg_key, optval_addr, optlen); |
f31dddd2 YS |
2289 | break; |
2290 | } | |
2291 | case ALG_SET_AEAD_AUTHSIZE: | |
2292 | { | |
2293 | ret = get_errno(setsockopt(sockfd, level, optname, | |
2294 | NULL, optlen)); | |
2295 | break; | |
2296 | } | |
2297 | default: | |
2298 | goto unimplemented; | |
2299 | } | |
2300 | break; | |
2301 | #endif | |
3532fa74 | 2302 | case TARGET_SOL_SOCKET: |
8853f86e | 2303 | switch (optname) { |
1b09aeb9 | 2304 | case TARGET_SO_RCVTIMEO: |
88a722b6 | 2305 | case TARGET_SO_SNDTIMEO: |
1b09aeb9 LV |
2306 | { |
2307 | struct timeval tv; | |
2308 | ||
1b09aeb9 LV |
2309 | if (optlen != sizeof(struct target_timeval)) { |
2310 | return -TARGET_EINVAL; | |
2311 | } | |
2312 | ||
2313 | if (copy_from_user_timeval(&tv, optval_addr)) { | |
2314 | return -TARGET_EFAULT; | |
2315 | } | |
2316 | ||
88a722b6 MT |
2317 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, |
2318 | optname == TARGET_SO_RCVTIMEO ? | |
2319 | SO_RCVTIMEO : SO_SNDTIMEO, | |
1b09aeb9 LV |
2320 | &tv, sizeof(tv))); |
2321 | return ret; | |
2322 | } | |
f57d4192 LV |
2323 | case TARGET_SO_ATTACH_FILTER: |
2324 | { | |
2325 | struct target_sock_fprog *tfprog; | |
2326 | struct target_sock_filter *tfilter; | |
2327 | struct sock_fprog fprog; | |
2328 | struct sock_filter *filter; | |
2329 | int i; | |
2330 | ||
2331 | if (optlen != sizeof(*tfprog)) { | |
2332 | return -TARGET_EINVAL; | |
2333 | } | |
2334 | if (!lock_user_struct(VERIFY_READ, tfprog, optval_addr, 0)) { | |
2335 | return -TARGET_EFAULT; | |
2336 | } | |
2337 | if (!lock_user_struct(VERIFY_READ, tfilter, | |
2338 | tswapal(tfprog->filter), 0)) { | |
2339 | unlock_user_struct(tfprog, optval_addr, 1); | |
2340 | return -TARGET_EFAULT; | |
2341 | } | |
2342 | ||
2343 | fprog.len = tswap16(tfprog->len); | |
0e173b24 | 2344 | filter = g_try_new(struct sock_filter, fprog.len); |
f57d4192 LV |
2345 | if (filter == NULL) { |
2346 | unlock_user_struct(tfilter, tfprog->filter, 1); | |
2347 | unlock_user_struct(tfprog, optval_addr, 1); | |
2348 | return -TARGET_ENOMEM; | |
2349 | } | |
2350 | for (i = 0; i < fprog.len; i++) { | |
2351 | filter[i].code = tswap16(tfilter[i].code); | |
2352 | filter[i].jt = tfilter[i].jt; | |
2353 | filter[i].jf = tfilter[i].jf; | |
2354 | filter[i].k = tswap32(tfilter[i].k); | |
2355 | } | |
2356 | fprog.filter = filter; | |
2357 | ||
2358 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, | |
2359 | SO_ATTACH_FILTER, &fprog, sizeof(fprog))); | |
0e173b24 | 2360 | g_free(filter); |
f57d4192 LV |
2361 | |
2362 | unlock_user_struct(tfilter, tfprog->filter, 1); | |
2363 | unlock_user_struct(tfprog, optval_addr, 1); | |
2364 | return ret; | |
2365 | } | |
451aaf68 JT |
2366 | case TARGET_SO_BINDTODEVICE: |
2367 | { | |
2368 | char *dev_ifname, *addr_ifname; | |
2369 | ||
2370 | if (optlen > IFNAMSIZ - 1) { | |
2371 | optlen = IFNAMSIZ - 1; | |
2372 | } | |
2373 | dev_ifname = lock_user(VERIFY_READ, optval_addr, optlen, 1); | |
2374 | if (!dev_ifname) { | |
2375 | return -TARGET_EFAULT; | |
2376 | } | |
2377 | optname = SO_BINDTODEVICE; | |
2378 | addr_ifname = alloca(IFNAMSIZ); | |
2379 | memcpy(addr_ifname, dev_ifname, optlen); | |
2380 | addr_ifname[optlen] = 0; | |
fad6c58a CG |
2381 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, |
2382 | addr_ifname, optlen)); | |
451aaf68 JT |
2383 | unlock_user (dev_ifname, optval_addr, 0); |
2384 | return ret; | |
2385 | } | |
83eb6e50 CMAB |
2386 | case TARGET_SO_LINGER: |
2387 | { | |
2388 | struct linger lg; | |
2389 | struct target_linger *tlg; | |
2390 | ||
2391 | if (optlen != sizeof(struct target_linger)) { | |
2392 | return -TARGET_EINVAL; | |
2393 | } | |
2394 | if (!lock_user_struct(VERIFY_READ, tlg, optval_addr, 1)) { | |
2395 | return -TARGET_EFAULT; | |
2396 | } | |
2397 | __get_user(lg.l_onoff, &tlg->l_onoff); | |
2398 | __get_user(lg.l_linger, &tlg->l_linger); | |
2399 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, SO_LINGER, | |
2400 | &lg, sizeof(lg))); | |
2401 | unlock_user_struct(tlg, optval_addr, 0); | |
2402 | return ret; | |
2403 | } | |
8853f86e | 2404 | /* Options with 'int' argument. */ |
3532fa74 FB |
2405 | case TARGET_SO_DEBUG: |
2406 | optname = SO_DEBUG; | |
2407 | break; | |
2408 | case TARGET_SO_REUSEADDR: | |
2409 | optname = SO_REUSEADDR; | |
2410 | break; | |
113a9dd7 YS |
2411 | #ifdef SO_REUSEPORT |
2412 | case TARGET_SO_REUSEPORT: | |
2413 | optname = SO_REUSEPORT; | |
2414 | break; | |
2415 | #endif | |
3532fa74 FB |
2416 | case TARGET_SO_TYPE: |
2417 | optname = SO_TYPE; | |
2418 | break; | |
2419 | case TARGET_SO_ERROR: | |
2420 | optname = SO_ERROR; | |
2421 | break; | |
2422 | case TARGET_SO_DONTROUTE: | |
2423 | optname = SO_DONTROUTE; | |
2424 | break; | |
2425 | case TARGET_SO_BROADCAST: | |
2426 | optname = SO_BROADCAST; | |
2427 | break; | |
2428 | case TARGET_SO_SNDBUF: | |
2429 | optname = SO_SNDBUF; | |
2430 | break; | |
d79b6cc4 PB |
2431 | case TARGET_SO_SNDBUFFORCE: |
2432 | optname = SO_SNDBUFFORCE; | |
2433 | break; | |
3532fa74 FB |
2434 | case TARGET_SO_RCVBUF: |
2435 | optname = SO_RCVBUF; | |
2436 | break; | |
d79b6cc4 PB |
2437 | case TARGET_SO_RCVBUFFORCE: |
2438 | optname = SO_RCVBUFFORCE; | |
2439 | break; | |
3532fa74 FB |
2440 | case TARGET_SO_KEEPALIVE: |
2441 | optname = SO_KEEPALIVE; | |
2442 | break; | |
2443 | case TARGET_SO_OOBINLINE: | |
2444 | optname = SO_OOBINLINE; | |
2445 | break; | |
2446 | case TARGET_SO_NO_CHECK: | |
2447 | optname = SO_NO_CHECK; | |
2448 | break; | |
2449 | case TARGET_SO_PRIORITY: | |
2450 | optname = SO_PRIORITY; | |
2451 | break; | |
5e83e8e3 | 2452 | #ifdef SO_BSDCOMPAT |
3532fa74 FB |
2453 | case TARGET_SO_BSDCOMPAT: |
2454 | optname = SO_BSDCOMPAT; | |
2455 | break; | |
5e83e8e3 | 2456 | #endif |
3532fa74 FB |
2457 | case TARGET_SO_PASSCRED: |
2458 | optname = SO_PASSCRED; | |
2459 | break; | |
82d0fe6b PB |
2460 | case TARGET_SO_PASSSEC: |
2461 | optname = SO_PASSSEC; | |
2462 | break; | |
3532fa74 FB |
2463 | case TARGET_SO_TIMESTAMP: |
2464 | optname = SO_TIMESTAMP; | |
2465 | break; | |
2466 | case TARGET_SO_RCVLOWAT: | |
2467 | optname = SO_RCVLOWAT; | |
2468 | break; | |
8853f86e FB |
2469 | default: |
2470 | goto unimplemented; | |
2471 | } | |
3532fa74 | 2472 | if (optlen < sizeof(uint32_t)) |
2f619698 | 2473 | return -TARGET_EINVAL; |
3532fa74 | 2474 | |
2f619698 FB |
2475 | if (get_user_u32(val, optval_addr)) |
2476 | return -TARGET_EFAULT; | |
3532fa74 | 2477 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val))); |
8853f86e | 2478 | break; |
a2d86682 JK |
2479 | #ifdef SOL_NETLINK |
2480 | case SOL_NETLINK: | |
2481 | switch (optname) { | |
2482 | case NETLINK_PKTINFO: | |
2483 | case NETLINK_ADD_MEMBERSHIP: | |
2484 | case NETLINK_DROP_MEMBERSHIP: | |
2485 | case NETLINK_BROADCAST_ERROR: | |
2486 | case NETLINK_NO_ENOBUFS: | |
2487 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) | |
2488 | case NETLINK_LISTEN_ALL_NSID: | |
2489 | case NETLINK_CAP_ACK: | |
2490 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) */ | |
2491 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) | |
2492 | case NETLINK_EXT_ACK: | |
2493 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) */ | |
2494 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0) | |
2495 | case NETLINK_GET_STRICT_CHK: | |
2496 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) */ | |
2497 | break; | |
2498 | default: | |
2499 | goto unimplemented; | |
2500 | } | |
2501 | val = 0; | |
2502 | if (optlen < sizeof(uint32_t)) { | |
2503 | return -TARGET_EINVAL; | |
2504 | } | |
2505 | if (get_user_u32(val, optval_addr)) { | |
2506 | return -TARGET_EFAULT; | |
2507 | } | |
2508 | ret = get_errno(setsockopt(sockfd, SOL_NETLINK, optname, &val, | |
2509 | sizeof(val))); | |
2510 | break; | |
2511 | #endif /* SOL_NETLINK */ | |
7854b056 | 2512 | default: |
8853f86e | 2513 | unimplemented: |
39be5350 JK |
2514 | qemu_log_mask(LOG_UNIMP, "Unsupported setsockopt level=%d optname=%d\n", |
2515 | level, optname); | |
6fa13c17 | 2516 | ret = -TARGET_ENOPROTOOPT; |
7854b056 | 2517 | } |
8853f86e | 2518 | return ret; |
7854b056 FB |
2519 | } |
2520 | ||
0da46a6e | 2521 | /* do_getsockopt() Must return target values and target errnos. */ |
992f48a0 | 2522 | static abi_long do_getsockopt(int sockfd, int level, int optname, |
2f619698 | 2523 | abi_ulong optval_addr, abi_ulong optlen) |
7854b056 | 2524 | { |
992f48a0 | 2525 | abi_long ret; |
b55266b5 BS |
2526 | int len, val; |
2527 | socklen_t lv; | |
8853f86e FB |
2528 | |
2529 | switch(level) { | |
3532fa74 | 2530 | case TARGET_SOL_SOCKET: |
f3b974cd JL |
2531 | level = SOL_SOCKET; |
2532 | switch (optname) { | |
2533 | /* These don't just return a single integer */ | |
f3b974cd JL |
2534 | case TARGET_SO_PEERNAME: |
2535 | goto unimplemented; | |
405dc4cf AS |
2536 | case TARGET_SO_RCVTIMEO: { |
2537 | struct timeval tv; | |
2538 | socklen_t tvlen; | |
2539 | ||
2540 | optname = SO_RCVTIMEO; | |
2541 | ||
2542 | get_timeout: | |
2543 | if (get_user_u32(len, optlen)) { | |
2544 | return -TARGET_EFAULT; | |
2545 | } | |
2546 | if (len < 0) { | |
2547 | return -TARGET_EINVAL; | |
2548 | } | |
2549 | ||
2550 | tvlen = sizeof(tv); | |
2551 | ret = get_errno(getsockopt(sockfd, level, optname, | |
2552 | &tv, &tvlen)); | |
2553 | if (ret < 0) { | |
2554 | return ret; | |
2555 | } | |
2556 | if (len > sizeof(struct target_timeval)) { | |
2557 | len = sizeof(struct target_timeval); | |
2558 | } | |
2559 | if (copy_to_user_timeval(optval_addr, &tv)) { | |
2560 | return -TARGET_EFAULT; | |
2561 | } | |
2562 | if (put_user_u32(len, optlen)) { | |
2563 | return -TARGET_EFAULT; | |
2564 | } | |
2565 | break; | |
2566 | } | |
2567 | case TARGET_SO_SNDTIMEO: | |
2568 | optname = SO_SNDTIMEO; | |
2569 | goto get_timeout; | |
583359a6 AP |
2570 | case TARGET_SO_PEERCRED: { |
2571 | struct ucred cr; | |
2572 | socklen_t crlen; | |
2573 | struct target_ucred *tcr; | |
2574 | ||
2575 | if (get_user_u32(len, optlen)) { | |
2576 | return -TARGET_EFAULT; | |
2577 | } | |
2578 | if (len < 0) { | |
2579 | return -TARGET_EINVAL; | |
2580 | } | |
2581 | ||
2582 | crlen = sizeof(cr); | |
2583 | ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED, | |
2584 | &cr, &crlen)); | |
2585 | if (ret < 0) { | |
2586 | return ret; | |
2587 | } | |
2588 | if (len > crlen) { | |
2589 | len = crlen; | |
2590 | } | |
2591 | if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) { | |
2592 | return -TARGET_EFAULT; | |
2593 | } | |
2594 | __put_user(cr.pid, &tcr->pid); | |
2595 | __put_user(cr.uid, &tcr->uid); | |
2596 | __put_user(cr.gid, &tcr->gid); | |
2597 | unlock_user_struct(tcr, optval_addr, 1); | |
2598 | if (put_user_u32(len, optlen)) { | |
83eb6e50 CMAB |
2599 | return -TARGET_EFAULT; |
2600 | } | |
2601 | break; | |
2602 | } | |
6d485a55 LV |
2603 | case TARGET_SO_PEERSEC: { |
2604 | char *name; | |
2605 | ||
2606 | if (get_user_u32(len, optlen)) { | |
2607 | return -TARGET_EFAULT; | |
2608 | } | |
2609 | if (len < 0) { | |
2610 | return -TARGET_EINVAL; | |
2611 | } | |
2612 | name = lock_user(VERIFY_WRITE, optval_addr, len, 0); | |
2613 | if (!name) { | |
2614 | return -TARGET_EFAULT; | |
2615 | } | |
2616 | lv = len; | |
2617 | ret = get_errno(getsockopt(sockfd, level, SO_PEERSEC, | |
2618 | name, &lv)); | |
2619 | if (put_user_u32(lv, optlen)) { | |
2620 | ret = -TARGET_EFAULT; | |
2621 | } | |
2622 | unlock_user(name, optval_addr, lv); | |
2623 | break; | |
2624 | } | |
83eb6e50 CMAB |
2625 | case TARGET_SO_LINGER: |
2626 | { | |
2627 | struct linger lg; | |
2628 | socklen_t lglen; | |
2629 | struct target_linger *tlg; | |
2630 | ||
2631 | if (get_user_u32(len, optlen)) { | |
2632 | return -TARGET_EFAULT; | |
2633 | } | |
2634 | if (len < 0) { | |
2635 | return -TARGET_EINVAL; | |
2636 | } | |
2637 | ||
2638 | lglen = sizeof(lg); | |
2639 | ret = get_errno(getsockopt(sockfd, level, SO_LINGER, | |
2640 | &lg, &lglen)); | |
2641 | if (ret < 0) { | |
2642 | return ret; | |
2643 | } | |
2644 | if (len > lglen) { | |
2645 | len = lglen; | |
2646 | } | |
2647 | if (!lock_user_struct(VERIFY_WRITE, tlg, optval_addr, 0)) { | |
2648 | return -TARGET_EFAULT; | |
2649 | } | |
2650 | __put_user(lg.l_onoff, &tlg->l_onoff); | |
2651 | __put_user(lg.l_linger, &tlg->l_linger); | |
2652 | unlock_user_struct(tlg, optval_addr, 1); | |
2653 | if (put_user_u32(len, optlen)) { | |
583359a6 AP |
2654 | return -TARGET_EFAULT; |
2655 | } | |
2656 | break; | |
2657 | } | |
f3b974cd JL |
2658 | /* Options with 'int' argument. */ |
2659 | case TARGET_SO_DEBUG: | |
2660 | optname = SO_DEBUG; | |
2661 | goto int_case; | |
2662 | case TARGET_SO_REUSEADDR: | |
2663 | optname = SO_REUSEADDR; | |
2664 | goto int_case; | |
113a9dd7 YS |
2665 | #ifdef SO_REUSEPORT |
2666 | case TARGET_SO_REUSEPORT: | |
2667 | optname = SO_REUSEPORT; | |
2668 | goto int_case; | |
2669 | #endif | |
f3b974cd JL |
2670 | case TARGET_SO_TYPE: |
2671 | optname = SO_TYPE; | |
2672 | goto int_case; | |
2673 | case TARGET_SO_ERROR: | |
2674 | optname = SO_ERROR; | |
2675 | goto int_case; | |
2676 | case TARGET_SO_DONTROUTE: | |
2677 | optname = SO_DONTROUTE; | |
2678 | goto int_case; | |
2679 | case TARGET_SO_BROADCAST: | |
2680 | optname = SO_BROADCAST; | |
2681 | goto int_case; | |
2682 | case TARGET_SO_SNDBUF: | |
2683 | optname = SO_SNDBUF; | |
2684 | goto int_case; | |
2685 | case TARGET_SO_RCVBUF: | |
2686 | optname = SO_RCVBUF; | |
2687 | goto int_case; | |
2688 | case TARGET_SO_KEEPALIVE: | |
2689 | optname = SO_KEEPALIVE; | |
2690 | goto int_case; | |
2691 | case TARGET_SO_OOBINLINE: | |
2692 | optname = SO_OOBINLINE; | |
2693 | goto int_case; | |
2694 | case TARGET_SO_NO_CHECK: | |
2695 | optname = SO_NO_CHECK; | |
2696 | goto int_case; | |
2697 | case TARGET_SO_PRIORITY: | |
2698 | optname = SO_PRIORITY; | |
2699 | goto int_case; | |
2700 | #ifdef SO_BSDCOMPAT | |
2701 | case TARGET_SO_BSDCOMPAT: | |
2702 | optname = SO_BSDCOMPAT; | |
2703 | goto int_case; | |
2704 | #endif | |
2705 | case TARGET_SO_PASSCRED: | |
2706 | optname = SO_PASSCRED; | |
2707 | goto int_case; | |
2708 | case TARGET_SO_TIMESTAMP: | |
2709 | optname = SO_TIMESTAMP; | |
2710 | goto int_case; | |
2711 | case TARGET_SO_RCVLOWAT: | |
2712 | optname = SO_RCVLOWAT; | |
2713 | goto int_case; | |
aec1ca41 PB |
2714 | case TARGET_SO_ACCEPTCONN: |
2715 | optname = SO_ACCEPTCONN; | |
2716 | goto int_case; | |
ec63e06e JD |
2717 | case TARGET_SO_PROTOCOL: |
2718 | optname = SO_PROTOCOL; | |
2719 | goto int_case; | |
2720 | case TARGET_SO_DOMAIN: | |
2721 | optname = SO_DOMAIN; | |
2722 | goto int_case; | |
8853f86e | 2723 | default: |
2efbe911 FB |
2724 | goto int_case; |
2725 | } | |
2726 | break; | |
2727 | case SOL_TCP: | |
fe51b0a5 SCW |
2728 | case SOL_UDP: |
2729 | /* TCP and UDP options all take an 'int' value. */ | |
2efbe911 | 2730 | int_case: |
2f619698 FB |
2731 | if (get_user_u32(len, optlen)) |
2732 | return -TARGET_EFAULT; | |
2efbe911 | 2733 | if (len < 0) |
0da46a6e | 2734 | return -TARGET_EINVAL; |
73160d95 | 2735 | lv = sizeof(lv); |
2efbe911 FB |
2736 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
2737 | if (ret < 0) | |
2738 | return ret; | |
cb88b7c2 HD |
2739 | switch (optname) { |
2740 | case SO_TYPE: | |
8289d112 | 2741 | val = host_to_target_sock_type(val); |
cb88b7c2 HD |
2742 | break; |
2743 | case SO_ERROR: | |
2744 | val = host_to_target_errno(val); | |
2745 | break; | |
8289d112 | 2746 | } |
2efbe911 FB |
2747 | if (len > lv) |
2748 | len = lv; | |
2f619698 FB |
2749 | if (len == 4) { |
2750 | if (put_user_u32(val, optval_addr)) | |
2751 | return -TARGET_EFAULT; | |
2752 | } else { | |
2753 | if (put_user_u8(val, optval_addr)) | |
2754 | return -TARGET_EFAULT; | |
f3b974cd | 2755 | } |
2f619698 FB |
2756 | if (put_user_u32(len, optlen)) |
2757 | return -TARGET_EFAULT; | |
2efbe911 FB |
2758 | break; |
2759 | case SOL_IP: | |
2760 | switch(optname) { | |
2761 | case IP_TOS: | |
2762 | case IP_TTL: | |
2763 | case IP_HDRINCL: | |
2764 | case IP_ROUTER_ALERT: | |
2765 | case IP_RECVOPTS: | |
2766 | case IP_RETOPTS: | |
2767 | case IP_PKTINFO: | |
2768 | case IP_MTU_DISCOVER: | |
2769 | case IP_RECVERR: | |
2770 | case IP_RECVTOS: | |
2771 | #ifdef IP_FREEBIND | |
2772 | case IP_FREEBIND: | |
2773 | #endif | |
2774 | case IP_MULTICAST_TTL: | |
2775 | case IP_MULTICAST_LOOP: | |
2f619698 FB |
2776 | if (get_user_u32(len, optlen)) |
2777 | return -TARGET_EFAULT; | |
8853f86e | 2778 | if (len < 0) |
0da46a6e | 2779 | return -TARGET_EINVAL; |
73160d95 | 2780 | lv = sizeof(lv); |
8853f86e FB |
2781 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
2782 | if (ret < 0) | |
2783 | return ret; | |
2efbe911 | 2784 | if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { |
2efbe911 | 2785 | len = 1; |
2f619698 FB |
2786 | if (put_user_u32(len, optlen) |
2787 | || put_user_u8(val, optval_addr)) | |
2788 | return -TARGET_EFAULT; | |
2efbe911 | 2789 | } else { |
2efbe911 FB |
2790 | if (len > sizeof(int)) |
2791 | len = sizeof(int); | |
2f619698 FB |
2792 | if (put_user_u32(len, optlen) |
2793 | || put_user_u32(val, optval_addr)) | |
2794 | return -TARGET_EFAULT; | |
2efbe911 | 2795 | } |
8853f86e | 2796 | break; |
2efbe911 | 2797 | default: |
c02f499e TS |
2798 | ret = -TARGET_ENOPROTOOPT; |
2799 | break; | |
8853f86e FB |
2800 | } |
2801 | break; | |
bd8ed485 TD |
2802 | case SOL_IPV6: |
2803 | switch (optname) { | |
2804 | case IPV6_MTU_DISCOVER: | |
2805 | case IPV6_MTU: | |
2806 | case IPV6_V6ONLY: | |
2807 | case IPV6_RECVPKTINFO: | |
2808 | case IPV6_UNICAST_HOPS: | |
2809 | case IPV6_MULTICAST_HOPS: | |
2810 | case IPV6_MULTICAST_LOOP: | |
2811 | case IPV6_RECVERR: | |
2812 | case IPV6_RECVHOPLIMIT: | |
2813 | case IPV6_2292HOPLIMIT: | |
2814 | case IPV6_CHECKSUM: | |
b9cce6d7 HD |
2815 | case IPV6_ADDRFORM: |
2816 | case IPV6_2292PKTINFO: | |
2817 | case IPV6_RECVTCLASS: | |
2818 | case IPV6_RECVRTHDR: | |
2819 | case IPV6_2292RTHDR: | |
2820 | case IPV6_RECVHOPOPTS: | |
2821 | case IPV6_2292HOPOPTS: | |
2822 | case IPV6_RECVDSTOPTS: | |
2823 | case IPV6_2292DSTOPTS: | |
2824 | case IPV6_TCLASS: | |
22db1213 | 2825 | case IPV6_ADDR_PREFERENCES: |
b9cce6d7 HD |
2826 | #ifdef IPV6_RECVPATHMTU |
2827 | case IPV6_RECVPATHMTU: | |
2828 | #endif | |
2829 | #ifdef IPV6_TRANSPARENT | |
2830 | case IPV6_TRANSPARENT: | |
2831 | #endif | |
2832 | #ifdef IPV6_FREEBIND | |
2833 | case IPV6_FREEBIND: | |
2834 | #endif | |
2835 | #ifdef IPV6_RECVORIGDSTADDR | |
2836 | case IPV6_RECVORIGDSTADDR: | |
2837 | #endif | |
bd8ed485 TD |
2838 | if (get_user_u32(len, optlen)) |
2839 | return -TARGET_EFAULT; | |
2840 | if (len < 0) | |
2841 | return -TARGET_EINVAL; | |
2842 | lv = sizeof(lv); | |
2843 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); | |
2844 | if (ret < 0) | |
2845 | return ret; | |
2846 | if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { | |
2847 | len = 1; | |
2848 | if (put_user_u32(len, optlen) | |
2849 | || put_user_u8(val, optval_addr)) | |
2850 | return -TARGET_EFAULT; | |
2851 | } else { | |
2852 | if (len > sizeof(int)) | |
2853 | len = sizeof(int); | |
2854 | if (put_user_u32(len, optlen) | |
2855 | || put_user_u32(val, optval_addr)) | |
2856 | return -TARGET_EFAULT; | |
2857 | } | |
2858 | break; | |
2859 | default: | |
2860 | ret = -TARGET_ENOPROTOOPT; | |
2861 | break; | |
2862 | } | |
2863 | break; | |
a2d86682 JK |
2864 | #ifdef SOL_NETLINK |
2865 | case SOL_NETLINK: | |
2866 | switch (optname) { | |
2867 | case NETLINK_PKTINFO: | |
2868 | case NETLINK_BROADCAST_ERROR: | |
2869 | case NETLINK_NO_ENOBUFS: | |
2870 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) | |
2871 | case NETLINK_LISTEN_ALL_NSID: | |
2872 | case NETLINK_CAP_ACK: | |
2873 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) */ | |
2874 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) | |
2875 | case NETLINK_EXT_ACK: | |
2876 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) */ | |
2877 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0) | |
2878 | case NETLINK_GET_STRICT_CHK: | |
2879 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) */ | |
2880 | if (get_user_u32(len, optlen)) { | |
2881 | return -TARGET_EFAULT; | |
2882 | } | |
2883 | if (len != sizeof(val)) { | |
2884 | return -TARGET_EINVAL; | |
2885 | } | |
2886 | lv = len; | |
2887 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); | |
2888 | if (ret < 0) { | |
2889 | return ret; | |
2890 | } | |
2891 | if (put_user_u32(lv, optlen) | |
2892 | || put_user_u32(val, optval_addr)) { | |
2893 | return -TARGET_EFAULT; | |
2894 | } | |
2895 | break; | |
2896 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) | |
2897 | case NETLINK_LIST_MEMBERSHIPS: | |
2898 | { | |
2899 | uint32_t *results; | |
2900 | int i; | |
2901 | if (get_user_u32(len, optlen)) { | |
2902 | return -TARGET_EFAULT; | |
2903 | } | |
2904 | if (len < 0) { | |
2905 | return -TARGET_EINVAL; | |
2906 | } | |
2907 | results = lock_user(VERIFY_WRITE, optval_addr, len, 1); | |
13e340c8 | 2908 | if (!results && len > 0) { |
a2d86682 JK |
2909 | return -TARGET_EFAULT; |
2910 | } | |
2911 | lv = len; | |
2912 | ret = get_errno(getsockopt(sockfd, level, optname, results, &lv)); | |
2913 | if (ret < 0) { | |
2914 | unlock_user(results, optval_addr, 0); | |
2915 | return ret; | |
2916 | } | |
669dcb60 | 2917 | /* swap host endianness to target endianness. */ |
a2d86682 JK |
2918 | for (i = 0; i < (len / sizeof(uint32_t)); i++) { |
2919 | results[i] = tswap32(results[i]); | |
2920 | } | |
2921 | if (put_user_u32(lv, optlen)) { | |
2922 | return -TARGET_EFAULT; | |
2923 | } | |
2924 | unlock_user(results, optval_addr, 0); | |
2925 | break; | |
2926 | } | |
2927 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) */ | |
2928 | default: | |
2929 | goto unimplemented; | |
2930 | } | |
c0cb8801 | 2931 | break; |
a2d86682 | 2932 | #endif /* SOL_NETLINK */ |
8853f86e FB |
2933 | default: |
2934 | unimplemented: | |
39be5350 JK |
2935 | qemu_log_mask(LOG_UNIMP, |
2936 | "getsockopt level=%d optname=%d not yet supported\n", | |
2937 | level, optname); | |
c02f499e | 2938 | ret = -TARGET_EOPNOTSUPP; |
8853f86e FB |
2939 | break; |
2940 | } | |
2941 | return ret; | |
7854b056 FB |
2942 | } |
2943 | ||
9ac22517 MF |
2944 | /* Convert target low/high pair representing file offset into the host |
2945 | * low/high pair. This function doesn't handle offsets bigger than 64 bits | |
2946 | * as the kernel doesn't handle them either. | |
2947 | */ | |
2948 | static void target_to_host_low_high(abi_ulong tlow, | |
2949 | abi_ulong thigh, | |
2950 | unsigned long *hlow, | |
2951 | unsigned long *hhigh) | |
2952 | { | |
2953 | uint64_t off = tlow | | |
2954 | ((unsigned long long)thigh << TARGET_LONG_BITS / 2) << | |
2955 | TARGET_LONG_BITS / 2; | |
2956 | ||
2957 | *hlow = off; | |
2958 | *hhigh = (off >> HOST_LONG_BITS / 2) >> HOST_LONG_BITS / 2; | |
2959 | } | |
2960 | ||
f287b2c2 | 2961 | static struct iovec *lock_iovec(int type, abi_ulong target_addr, |
dab32b32 | 2962 | abi_ulong count, int copy) |
53a5960a PB |
2963 | { |
2964 | struct target_iovec *target_vec; | |
f287b2c2 RH |
2965 | struct iovec *vec; |
2966 | abi_ulong total_len, max_len; | |
d732dcb4 | 2967 | int i; |
501bb4b0 | 2968 | int err = 0; |
29560a6c | 2969 | bool bad_address = false; |
53a5960a | 2970 | |
f287b2c2 RH |
2971 | if (count == 0) { |
2972 | errno = 0; | |
2973 | return NULL; | |
2974 | } | |
dab32b32 | 2975 | if (count > IOV_MAX) { |
f287b2c2 RH |
2976 | errno = EINVAL; |
2977 | return NULL; | |
2978 | } | |
2979 | ||
0e173b24 | 2980 | vec = g_try_new0(struct iovec, count); |
f287b2c2 RH |
2981 | if (vec == NULL) { |
2982 | errno = ENOMEM; | |
2983 | return NULL; | |
2984 | } | |
2985 | ||
2986 | target_vec = lock_user(VERIFY_READ, target_addr, | |
2987 | count * sizeof(struct target_iovec), 1); | |
2988 | if (target_vec == NULL) { | |
501bb4b0 | 2989 | err = EFAULT; |
f287b2c2 RH |
2990 | goto fail2; |
2991 | } | |
2992 | ||
2993 | /* ??? If host page size > target page size, this will result in a | |
2994 | value larger than what we can actually support. */ | |
2995 | max_len = 0x7fffffff & TARGET_PAGE_MASK; | |
2996 | total_len = 0; | |
2997 | ||
2998 | for (i = 0; i < count; i++) { | |
2999 | abi_ulong base = tswapal(target_vec[i].iov_base); | |
3000 | abi_long len = tswapal(target_vec[i].iov_len); | |
3001 | ||
3002 | if (len < 0) { | |
501bb4b0 | 3003 | err = EINVAL; |
f287b2c2 RH |
3004 | goto fail; |
3005 | } else if (len == 0) { | |
3006 | /* Zero length pointer is ignored. */ | |
3007 | vec[i].iov_base = 0; | |
41df8411 | 3008 | } else { |
f287b2c2 | 3009 | vec[i].iov_base = lock_user(type, base, len, copy); |
29560a6c TM |
3010 | /* If the first buffer pointer is bad, this is a fault. But |
3011 | * subsequent bad buffers will result in a partial write; this | |
3012 | * is realized by filling the vector with null pointers and | |
3013 | * zero lengths. */ | |
f287b2c2 | 3014 | if (!vec[i].iov_base) { |
29560a6c TM |
3015 | if (i == 0) { |
3016 | err = EFAULT; | |
3017 | goto fail; | |
3018 | } else { | |
3019 | bad_address = true; | |
3020 | } | |
3021 | } | |
3022 | if (bad_address) { | |
3023 | len = 0; | |
f287b2c2 RH |
3024 | } |
3025 | if (len > max_len - total_len) { | |
3026 | len = max_len - total_len; | |
3027 | } | |
41df8411 | 3028 | } |
f287b2c2 RH |
3029 | vec[i].iov_len = len; |
3030 | total_len += len; | |
579a97f7 | 3031 | } |
f287b2c2 RH |
3032 | |
3033 | unlock_user(target_vec, target_addr, 0); | |
3034 | return vec; | |
3035 | ||
3036 | fail: | |
7eff518b CG |
3037 | while (--i >= 0) { |
3038 | if (tswapal(target_vec[i].iov_len) > 0) { | |
3039 | unlock_user(vec[i].iov_base, tswapal(target_vec[i].iov_base), 0); | |
3040 | } | |
3041 | } | |
f287b2c2 | 3042 | unlock_user(target_vec, target_addr, 0); |
501bb4b0 | 3043 | fail2: |
0e173b24 | 3044 | g_free(vec); |
501bb4b0 | 3045 | errno = err; |
f287b2c2 | 3046 | return NULL; |
53a5960a PB |
3047 | } |
3048 | ||
f287b2c2 | 3049 | static void unlock_iovec(struct iovec *vec, abi_ulong target_addr, |
dab32b32 | 3050 | abi_ulong count, int copy) |
53a5960a PB |
3051 | { |
3052 | struct target_iovec *target_vec; | |
53a5960a PB |
3053 | int i; |
3054 | ||
f287b2c2 RH |
3055 | target_vec = lock_user(VERIFY_READ, target_addr, |
3056 | count * sizeof(struct target_iovec), 1); | |
3057 | if (target_vec) { | |
3058 | for (i = 0; i < count; i++) { | |
3059 | abi_ulong base = tswapal(target_vec[i].iov_base); | |
71ec7cef | 3060 | abi_long len = tswapal(target_vec[i].iov_len); |
f287b2c2 RH |
3061 | if (len < 0) { |
3062 | break; | |
3063 | } | |
d732dcb4 AZ |
3064 | unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0); |
3065 | } | |
f287b2c2 | 3066 | unlock_user(target_vec, target_addr, 0); |
53a5960a | 3067 | } |
579a97f7 | 3068 | |
0e173b24 | 3069 | g_free(vec); |
53a5960a PB |
3070 | } |
3071 | ||
53d09b76 | 3072 | static inline int target_to_host_sock_type(int *type) |
3532fa74 | 3073 | { |
f651e6ae PJ |
3074 | int host_type = 0; |
3075 | int target_type = *type; | |
3076 | ||
3077 | switch (target_type & TARGET_SOCK_TYPE_MASK) { | |
3532fa74 | 3078 | case TARGET_SOCK_DGRAM: |
f651e6ae | 3079 | host_type = SOCK_DGRAM; |
3532fa74 FB |
3080 | break; |
3081 | case TARGET_SOCK_STREAM: | |
f651e6ae | 3082 | host_type = SOCK_STREAM; |
3532fa74 | 3083 | break; |
f651e6ae PJ |
3084 | default: |
3085 | host_type = target_type & TARGET_SOCK_TYPE_MASK; | |
3532fa74 FB |
3086 | break; |
3087 | } | |
f651e6ae | 3088 | if (target_type & TARGET_SOCK_CLOEXEC) { |
53d09b76 | 3089 | #if defined(SOCK_CLOEXEC) |
f651e6ae | 3090 | host_type |= SOCK_CLOEXEC; |
53d09b76 EI |
3091 | #else |
3092 | return -TARGET_EINVAL; | |
3093 | #endif | |
f651e6ae PJ |
3094 | } |
3095 | if (target_type & TARGET_SOCK_NONBLOCK) { | |
53d09b76 | 3096 | #if defined(SOCK_NONBLOCK) |
f651e6ae | 3097 | host_type |= SOCK_NONBLOCK; |
53d09b76 EI |
3098 | #elif !defined(O_NONBLOCK) |
3099 | return -TARGET_EINVAL; | |
3100 | #endif | |
f651e6ae PJ |
3101 | } |
3102 | *type = host_type; | |
53d09b76 EI |
3103 | return 0; |
3104 | } | |
3105 | ||
3106 | /* Try to emulate socket type flags after socket creation. */ | |
3107 | static int sock_flags_fixup(int fd, int target_type) | |
3108 | { | |
3109 | #if !defined(SOCK_NONBLOCK) && defined(O_NONBLOCK) | |
3110 | if (target_type & TARGET_SOCK_NONBLOCK) { | |
3111 | int flags = fcntl(fd, F_GETFL); | |
3112 | if (fcntl(fd, F_SETFL, O_NONBLOCK | flags) == -1) { | |
3113 | close(fd); | |
3114 | return -TARGET_EINVAL; | |
3115 | } | |
3116 | } | |
3117 | #endif | |
3118 | return fd; | |
f651e6ae PJ |
3119 | } |
3120 | ||
3121 | /* do_socket() Must return target values and target errnos. */ | |
3122 | static abi_long do_socket(int domain, int type, int protocol) | |
3123 | { | |
53d09b76 EI |
3124 | int target_type = type; |
3125 | int ret; | |
3126 | ||
3127 | ret = target_to_host_sock_type(&type); | |
3128 | if (ret) { | |
3129 | return ret; | |
3130 | } | |
f651e6ae | 3131 | |
575b22b1 LV |
3132 | if (domain == PF_NETLINK && !( |
3133 | #ifdef CONFIG_RTNETLINK | |
3134 | protocol == NETLINK_ROUTE || | |
3135 | #endif | |
3136 | protocol == NETLINK_KOBJECT_UEVENT || | |
3137 | protocol == NETLINK_AUDIT)) { | |
71e2443e | 3138 | return -TARGET_EPROTONOSUPPORT; |
6c5b5645 | 3139 | } |
ff626f2d LV |
3140 | |
3141 | if (domain == AF_PACKET || | |
3142 | (domain == AF_INET && type == SOCK_PACKET)) { | |
3143 | protocol = tswap16(protocol); | |
3144 | } | |
3145 | ||
53d09b76 EI |
3146 | ret = get_errno(socket(domain, type, protocol)); |
3147 | if (ret >= 0) { | |
3148 | ret = sock_flags_fixup(ret, target_type); | |
0cf22722 LV |
3149 | if (type == SOCK_PACKET) { |
3150 | /* Manage an obsolete case : | |
3151 | * if socket type is SOCK_PACKET, bind by name | |
3152 | */ | |
3153 | fd_trans_register(ret, &target_packet_trans); | |
6c5b5645 LV |
3154 | } else if (domain == PF_NETLINK) { |
3155 | switch (protocol) { | |
575b22b1 | 3156 | #ifdef CONFIG_RTNETLINK |
6c5b5645 LV |
3157 | case NETLINK_ROUTE: |
3158 | fd_trans_register(ret, &target_netlink_route_trans); | |
3159 | break; | |
575b22b1 | 3160 | #endif |
b265620b LV |
3161 | case NETLINK_KOBJECT_UEVENT: |
3162 | /* nothing to do: messages are strings */ | |
3163 | break; | |
5ce9bb59 LV |
3164 | case NETLINK_AUDIT: |
3165 | fd_trans_register(ret, &target_netlink_audit_trans); | |
3166 | break; | |
6c5b5645 LV |
3167 | default: |
3168 | g_assert_not_reached(); | |
3169 | } | |
0cf22722 | 3170 | } |
53d09b76 EI |
3171 | } |
3172 | return ret; | |
3532fa74 FB |
3173 | } |
3174 | ||
0da46a6e | 3175 | /* do_bind() Must return target values and target errnos. */ |
992f48a0 BS |
3176 | static abi_long do_bind(int sockfd, abi_ulong target_addr, |
3177 | socklen_t addrlen) | |
3532fa74 | 3178 | { |
8f7aeaf6 | 3179 | void *addr; |
917507b0 | 3180 | abi_long ret; |
8f7aeaf6 | 3181 | |
38724253 | 3182 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3183 | return -TARGET_EINVAL; |
38724253 | 3184 | } |
8f7aeaf6 | 3185 | |
607175e0 | 3186 | addr = alloca(addrlen+1); |
3b46e624 | 3187 | |
7b36f782 | 3188 | ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen); |
917507b0 AP |
3189 | if (ret) |
3190 | return ret; | |
3191 | ||
3532fa74 FB |
3192 | return get_errno(bind(sockfd, addr, addrlen)); |
3193 | } | |
3194 | ||
0da46a6e | 3195 | /* do_connect() Must return target values and target errnos. */ |
992f48a0 BS |
3196 | static abi_long do_connect(int sockfd, abi_ulong target_addr, |
3197 | socklen_t addrlen) | |
3532fa74 | 3198 | { |
8f7aeaf6 | 3199 | void *addr; |
917507b0 | 3200 | abi_long ret; |
8f7aeaf6 | 3201 | |
38724253 | 3202 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3203 | return -TARGET_EINVAL; |
38724253 | 3204 | } |
8f7aeaf6 | 3205 | |
2dd08dfd | 3206 | addr = alloca(addrlen+1); |
3b46e624 | 3207 | |
7b36f782 | 3208 | ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen); |
917507b0 AP |
3209 | if (ret) |
3210 | return ret; | |
3211 | ||
2a3c7619 | 3212 | return get_errno(safe_connect(sockfd, addr, addrlen)); |
3532fa74 FB |
3213 | } |
3214 | ||
f19e00d7 AG |
3215 | /* do_sendrecvmsg_locked() Must return target values and target errnos. */ |
3216 | static abi_long do_sendrecvmsg_locked(int fd, struct target_msghdr *msgp, | |
3217 | int flags, int send) | |
3532fa74 | 3218 | { |
6de645c7 | 3219 | abi_long ret, len; |
3532fa74 | 3220 | struct msghdr msg; |
dab32b32 | 3221 | abi_ulong count; |
3532fa74 | 3222 | struct iovec *vec; |
992f48a0 | 3223 | abi_ulong target_vec; |
3532fa74 | 3224 | |
3532fa74 FB |
3225 | if (msgp->msg_name) { |
3226 | msg.msg_namelen = tswap32(msgp->msg_namelen); | |
2dd08dfd | 3227 | msg.msg_name = alloca(msg.msg_namelen+1); |
7b36f782 LV |
3228 | ret = target_to_host_sockaddr(fd, msg.msg_name, |
3229 | tswapal(msgp->msg_name), | |
3230 | msg.msg_namelen); | |
26a6fc96 PM |
3231 | if (ret == -TARGET_EFAULT) { |
3232 | /* For connected sockets msg_name and msg_namelen must | |
3233 | * be ignored, so returning EFAULT immediately is wrong. | |
3234 | * Instead, pass a bad msg_name to the host kernel, and | |
3235 | * let it decide whether to return EFAULT or not. | |
3236 | */ | |
3237 | msg.msg_name = (void *)-1; | |
3238 | } else if (ret) { | |
f287b2c2 | 3239 | goto out2; |
917507b0 | 3240 | } |
3532fa74 FB |
3241 | } else { |
3242 | msg.msg_name = NULL; | |
3243 | msg.msg_namelen = 0; | |
3244 | } | |
cbb21eed | 3245 | msg.msg_controllen = 2 * tswapal(msgp->msg_controllen); |
3532fa74 | 3246 | msg.msg_control = alloca(msg.msg_controllen); |
1d3d1b23 JS |
3247 | memset(msg.msg_control, 0, msg.msg_controllen); |
3248 | ||
3532fa74 | 3249 | msg.msg_flags = tswap32(msgp->msg_flags); |
3b46e624 | 3250 | |
cbb21eed | 3251 | count = tswapal(msgp->msg_iovlen); |
cbb21eed | 3252 | target_vec = tswapal(msgp->msg_iov); |
97b07970 PM |
3253 | |
3254 | if (count > IOV_MAX) { | |
3255 | /* sendrcvmsg returns a different errno for this condition than | |
3256 | * readv/writev, so we must catch it here before lock_iovec() does. | |
3257 | */ | |
3258 | ret = -TARGET_EMSGSIZE; | |
3259 | goto out2; | |
3260 | } | |
3261 | ||
f287b2c2 RH |
3262 | vec = lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, |
3263 | target_vec, count, send); | |
3264 | if (vec == NULL) { | |
3265 | ret = -host_to_target_errno(errno); | |
3f0744f9 HD |
3266 | /* allow sending packet without any iov, e.g. with MSG_MORE flag */ |
3267 | if (!send || ret) { | |
3268 | goto out2; | |
3269 | } | |
f287b2c2 | 3270 | } |
3532fa74 FB |
3271 | msg.msg_iovlen = count; |
3272 | msg.msg_iov = vec; | |
3b46e624 | 3273 | |
3532fa74 | 3274 | if (send) { |
6c5b5645 | 3275 | if (fd_trans_target_to_host_data(fd)) { |
7d61d892 LV |
3276 | void *host_msg; |
3277 | ||
3278 | host_msg = g_malloc(msg.msg_iov->iov_len); | |
3279 | memcpy(host_msg, msg.msg_iov->iov_base, msg.msg_iov->iov_len); | |
3280 | ret = fd_trans_target_to_host_data(fd)(host_msg, | |
6c5b5645 | 3281 | msg.msg_iov->iov_len); |
7d61d892 LV |
3282 | if (ret >= 0) { |
3283 | msg.msg_iov->iov_base = host_msg; | |
3284 | ret = get_errno(safe_sendmsg(fd, &msg, flags)); | |
3285 | } | |
3286 | g_free(host_msg); | |
6c5b5645 LV |
3287 | } else { |
3288 | ret = target_to_host_cmsg(&msg, msgp); | |
7d61d892 LV |
3289 | if (ret == 0) { |
3290 | ret = get_errno(safe_sendmsg(fd, &msg, flags)); | |
3291 | } | |
6c5b5645 | 3292 | } |
3532fa74 | 3293 | } else { |
66687530 | 3294 | ret = get_errno(safe_recvmsg(fd, &msg, flags)); |
6de645c7 AZ |
3295 | if (!is_error(ret)) { |
3296 | len = ret; | |
6c5b5645 LV |
3297 | if (fd_trans_host_to_target_data(fd)) { |
3298 | ret = fd_trans_host_to_target_data(fd)(msg.msg_iov->iov_base, | |
2a03d3e6 | 3299 | MIN(msg.msg_iov->iov_len, len)); |
16c81dd5 IZ |
3300 | } |
3301 | if (!is_error(ret)) { | |
6c5b5645 LV |
3302 | ret = host_to_target_cmsg(msgp, &msg); |
3303 | } | |
ca619067 JH |
3304 | if (!is_error(ret)) { |
3305 | msgp->msg_namelen = tswap32(msg.msg_namelen); | |
24894f39 | 3306 | msgp->msg_flags = tswap32(msg.msg_flags); |
26a6fc96 | 3307 | if (msg.msg_name != NULL && msg.msg_name != (void *)-1) { |
ca619067 JH |
3308 | ret = host_to_target_sockaddr(tswapal(msgp->msg_name), |
3309 | msg.msg_name, msg.msg_namelen); | |
3310 | if (ret) { | |
3311 | goto out; | |
3312 | } | |
3313 | } | |
3314 | ||
6de645c7 | 3315 | ret = len; |
ca619067 | 3316 | } |
6de645c7 | 3317 | } |
3532fa74 | 3318 | } |
ca619067 JH |
3319 | |
3320 | out: | |
3f0744f9 HD |
3321 | if (vec) { |
3322 | unlock_iovec(vec, target_vec, count, !send); | |
3323 | } | |
f287b2c2 | 3324 | out2: |
f19e00d7 AG |
3325 | return ret; |
3326 | } | |
3327 | ||
3328 | static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg, | |
3329 | int flags, int send) | |
3330 | { | |
3331 | abi_long ret; | |
3332 | struct target_msghdr *msgp; | |
3333 | ||
3334 | if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE, | |
3335 | msgp, | |
3336 | target_msg, | |
3337 | send ? 1 : 0)) { | |
3338 | return -TARGET_EFAULT; | |
3339 | } | |
3340 | ret = do_sendrecvmsg_locked(fd, msgp, flags, send); | |
579a97f7 | 3341 | unlock_user_struct(msgp, target_msg, send ? 0 : 1); |
3532fa74 FB |
3342 | return ret; |
3343 | } | |
3344 | ||
f19e00d7 AG |
3345 | /* We don't rely on the C library to have sendmmsg/recvmmsg support, |
3346 | * so it might not have this *mmsg-specific flag either. | |
3347 | */ | |
3348 | #ifndef MSG_WAITFORONE | |
3349 | #define MSG_WAITFORONE 0x10000 | |
3350 | #endif | |
3351 | ||
3352 | static abi_long do_sendrecvmmsg(int fd, abi_ulong target_msgvec, | |
3353 | unsigned int vlen, unsigned int flags, | |
3354 | int send) | |
3355 | { | |
3356 | struct target_mmsghdr *mmsgp; | |
3357 | abi_long ret = 0; | |
3358 | int i; | |
3359 | ||
3360 | if (vlen > UIO_MAXIOV) { | |
3361 | vlen = UIO_MAXIOV; | |
3362 | } | |
3363 | ||
3364 | mmsgp = lock_user(VERIFY_WRITE, target_msgvec, sizeof(*mmsgp) * vlen, 1); | |
3365 | if (!mmsgp) { | |
3366 | return -TARGET_EFAULT; | |
3367 | } | |
3368 | ||
3369 | for (i = 0; i < vlen; i++) { | |
3370 | ret = do_sendrecvmsg_locked(fd, &mmsgp[i].msg_hdr, flags, send); | |
3371 | if (is_error(ret)) { | |
3372 | break; | |
3373 | } | |
3374 | mmsgp[i].msg_len = tswap32(ret); | |
3375 | /* MSG_WAITFORONE turns on MSG_DONTWAIT after one packet */ | |
3376 | if (flags & MSG_WAITFORONE) { | |
3377 | flags |= MSG_DONTWAIT; | |
3378 | } | |
3379 | } | |
3380 | ||
3381 | unlock_user(mmsgp, target_msgvec, sizeof(*mmsgp) * i); | |
3382 | ||
3383 | /* Return number of datagrams sent if we sent any at all; | |
3384 | * otherwise return the error. | |
3385 | */ | |
3386 | if (i) { | |
3387 | return i; | |
3388 | } | |
3389 | return ret; | |
3390 | } | |
f19e00d7 | 3391 | |
a94b4987 PM |
3392 | /* do_accept4() Must return target values and target errnos. */ |
3393 | static abi_long do_accept4(int fd, abi_ulong target_addr, | |
3394 | abi_ulong target_addrlen_addr, int flags) | |
1be9e1dc | 3395 | { |
cd813367 | 3396 | socklen_t addrlen, ret_addrlen; |
2f619698 | 3397 | void *addr; |
992f48a0 | 3398 | abi_long ret; |
d25295d4 PJ |
3399 | int host_flags; |
3400 | ||
dca4c838 HD |
3401 | if (flags & ~(TARGET_SOCK_CLOEXEC | TARGET_SOCK_NONBLOCK)) { |
3402 | return -TARGET_EINVAL; | |
3403 | } | |
3404 | ||
3405 | host_flags = 0; | |
3406 | if (flags & TARGET_SOCK_NONBLOCK) { | |
3407 | host_flags |= SOCK_NONBLOCK; | |
3408 | } | |
3409 | if (flags & TARGET_SOCK_CLOEXEC) { | |
3410 | host_flags |= SOCK_CLOEXEC; | |
3411 | } | |
1be9e1dc | 3412 | |
a94b4987 | 3413 | if (target_addr == 0) { |
ff6dc130 | 3414 | return get_errno(safe_accept4(fd, NULL, NULL, host_flags)); |
a94b4987 | 3415 | } |
917507b0 | 3416 | |
e554eb4b | 3417 | /* linux returns EFAULT if addrlen pointer is invalid */ |
2f619698 | 3418 | if (get_user_u32(addrlen, target_addrlen_addr)) |
e554eb4b | 3419 | return -TARGET_EFAULT; |
2f619698 | 3420 | |
38724253 | 3421 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3422 | return -TARGET_EINVAL; |
38724253 | 3423 | } |
8f7aeaf6 | 3424 | |
c7169b02 | 3425 | if (!access_ok(thread_cpu, VERIFY_WRITE, target_addr, addrlen)) { |
e554eb4b | 3426 | return -TARGET_EFAULT; |
c7169b02 | 3427 | } |
917507b0 | 3428 | |
2f619698 FB |
3429 | addr = alloca(addrlen); |
3430 | ||
cd813367 AS |
3431 | ret_addrlen = addrlen; |
3432 | ret = get_errno(safe_accept4(fd, addr, &ret_addrlen, host_flags)); | |
1be9e1dc | 3433 | if (!is_error(ret)) { |
cd813367 AS |
3434 | host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen)); |
3435 | if (put_user_u32(ret_addrlen, target_addrlen_addr)) { | |
2f619698 | 3436 | ret = -TARGET_EFAULT; |
cd813367 | 3437 | } |
1be9e1dc PB |
3438 | } |
3439 | return ret; | |
3440 | } | |
3441 | ||
0da46a6e | 3442 | /* do_getpeername() Must return target values and target errnos. */ |
992f48a0 | 3443 | static abi_long do_getpeername(int fd, abi_ulong target_addr, |
2f619698 | 3444 | abi_ulong target_addrlen_addr) |
1be9e1dc | 3445 | { |
cd813367 | 3446 | socklen_t addrlen, ret_addrlen; |
2f619698 | 3447 | void *addr; |
992f48a0 | 3448 | abi_long ret; |
1be9e1dc | 3449 | |
2f619698 FB |
3450 | if (get_user_u32(addrlen, target_addrlen_addr)) |
3451 | return -TARGET_EFAULT; | |
3452 | ||
38724253 | 3453 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3454 | return -TARGET_EINVAL; |
38724253 | 3455 | } |
8f7aeaf6 | 3456 | |
c7169b02 | 3457 | if (!access_ok(thread_cpu, VERIFY_WRITE, target_addr, addrlen)) { |
917507b0 | 3458 | return -TARGET_EFAULT; |
c7169b02 | 3459 | } |
917507b0 | 3460 | |
2f619698 FB |
3461 | addr = alloca(addrlen); |
3462 | ||
cd813367 AS |
3463 | ret_addrlen = addrlen; |
3464 | ret = get_errno(getpeername(fd, addr, &ret_addrlen)); | |
1be9e1dc | 3465 | if (!is_error(ret)) { |
cd813367 AS |
3466 | host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen)); |
3467 | if (put_user_u32(ret_addrlen, target_addrlen_addr)) { | |
2f619698 | 3468 | ret = -TARGET_EFAULT; |
cd813367 | 3469 | } |
1be9e1dc PB |
3470 | } |
3471 | return ret; | |
3472 | } | |
3473 | ||
0da46a6e | 3474 | /* do_getsockname() Must return target values and target errnos. */ |
992f48a0 | 3475 | static abi_long do_getsockname(int fd, abi_ulong target_addr, |
2f619698 | 3476 | abi_ulong target_addrlen_addr) |
1be9e1dc | 3477 | { |
cd813367 | 3478 | socklen_t addrlen, ret_addrlen; |
2f619698 | 3479 | void *addr; |
992f48a0 | 3480 | abi_long ret; |
1be9e1dc | 3481 | |
2f619698 FB |
3482 | if (get_user_u32(addrlen, target_addrlen_addr)) |
3483 | return -TARGET_EFAULT; | |
3484 | ||
38724253 | 3485 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3486 | return -TARGET_EINVAL; |
38724253 | 3487 | } |
8f7aeaf6 | 3488 | |
c7169b02 | 3489 | if (!access_ok(thread_cpu, VERIFY_WRITE, target_addr, addrlen)) { |
917507b0 | 3490 | return -TARGET_EFAULT; |
c7169b02 | 3491 | } |
917507b0 | 3492 | |
2f619698 FB |
3493 | addr = alloca(addrlen); |
3494 | ||
cd813367 AS |
3495 | ret_addrlen = addrlen; |
3496 | ret = get_errno(getsockname(fd, addr, &ret_addrlen)); | |
1be9e1dc | 3497 | if (!is_error(ret)) { |
cd813367 AS |
3498 | host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen)); |
3499 | if (put_user_u32(ret_addrlen, target_addrlen_addr)) { | |
2f619698 | 3500 | ret = -TARGET_EFAULT; |
cd813367 | 3501 | } |
1be9e1dc PB |
3502 | } |
3503 | return ret; | |
3504 | } | |
3505 | ||
0da46a6e | 3506 | /* do_socketpair() Must return target values and target errnos. */ |
992f48a0 | 3507 | static abi_long do_socketpair(int domain, int type, int protocol, |
2f619698 | 3508 | abi_ulong target_tab_addr) |
1be9e1dc PB |
3509 | { |
3510 | int tab[2]; | |
992f48a0 | 3511 | abi_long ret; |
1be9e1dc | 3512 | |
f651e6ae PJ |
3513 | target_to_host_sock_type(&type); |
3514 | ||
1be9e1dc PB |
3515 | ret = get_errno(socketpair(domain, type, protocol, tab)); |
3516 | if (!is_error(ret)) { | |
2f619698 FB |
3517 | if (put_user_s32(tab[0], target_tab_addr) |
3518 | || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0]))) | |
3519 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
3520 | } |
3521 | return ret; | |
3522 | } | |
3523 | ||
0da46a6e | 3524 | /* do_sendto() Must return target values and target errnos. */ |
992f48a0 BS |
3525 | static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags, |
3526 | abi_ulong target_addr, socklen_t addrlen) | |
1be9e1dc PB |
3527 | { |
3528 | void *addr; | |
3529 | void *host_msg; | |
7d61d892 | 3530 | void *copy_msg = NULL; |
992f48a0 | 3531 | abi_long ret; |
1be9e1dc | 3532 | |
38724253 | 3533 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3534 | return -TARGET_EINVAL; |
38724253 | 3535 | } |
8f7aeaf6 | 3536 | |
579a97f7 FB |
3537 | host_msg = lock_user(VERIFY_READ, msg, len, 1); |
3538 | if (!host_msg) | |
3539 | return -TARGET_EFAULT; | |
6c5b5645 | 3540 | if (fd_trans_target_to_host_data(fd)) { |
7d61d892 LV |
3541 | copy_msg = host_msg; |
3542 | host_msg = g_malloc(len); | |
3543 | memcpy(host_msg, copy_msg, len); | |
6c5b5645 LV |
3544 | ret = fd_trans_target_to_host_data(fd)(host_msg, len); |
3545 | if (ret < 0) { | |
7d61d892 | 3546 | goto fail; |
6c5b5645 LV |
3547 | } |
3548 | } | |
1be9e1dc | 3549 | if (target_addr) { |
2dd08dfd | 3550 | addr = alloca(addrlen+1); |
7b36f782 | 3551 | ret = target_to_host_sockaddr(fd, addr, target_addr, addrlen); |
917507b0 | 3552 | if (ret) { |
7d61d892 | 3553 | goto fail; |
917507b0 | 3554 | } |
66687530 | 3555 | ret = get_errno(safe_sendto(fd, host_msg, len, flags, addr, addrlen)); |
1be9e1dc | 3556 | } else { |
66687530 | 3557 | ret = get_errno(safe_sendto(fd, host_msg, len, flags, NULL, 0)); |
1be9e1dc | 3558 | } |
7d61d892 LV |
3559 | fail: |
3560 | if (copy_msg) { | |
3561 | g_free(host_msg); | |
3562 | host_msg = copy_msg; | |
3563 | } | |
1be9e1dc PB |
3564 | unlock_user(host_msg, msg, 0); |
3565 | return ret; | |
3566 | } | |
3567 | ||
0da46a6e | 3568 | /* do_recvfrom() Must return target values and target errnos. */ |
992f48a0 BS |
3569 | static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags, |
3570 | abi_ulong target_addr, | |
3571 | abi_ulong target_addrlen) | |
1be9e1dc | 3572 | { |
cd813367 | 3573 | socklen_t addrlen, ret_addrlen; |
1be9e1dc PB |
3574 | void *addr; |
3575 | void *host_msg; | |
992f48a0 | 3576 | abi_long ret; |
1be9e1dc | 3577 | |
4a1e6bce ZR |
3578 | if (!msg) { |
3579 | host_msg = NULL; | |
3580 | } else { | |
3581 | host_msg = lock_user(VERIFY_WRITE, msg, len, 0); | |
3582 | if (!host_msg) { | |
3583 | return -TARGET_EFAULT; | |
3584 | } | |
3585 | } | |
1be9e1dc | 3586 | if (target_addr) { |
2f619698 FB |
3587 | if (get_user_u32(addrlen, target_addrlen)) { |
3588 | ret = -TARGET_EFAULT; | |
3589 | goto fail; | |
3590 | } | |
38724253 | 3591 | if ((int)addrlen < 0) { |
8f7aeaf6 AJ |
3592 | ret = -TARGET_EINVAL; |
3593 | goto fail; | |
3594 | } | |
1be9e1dc | 3595 | addr = alloca(addrlen); |
cd813367 | 3596 | ret_addrlen = addrlen; |
66687530 | 3597 | ret = get_errno(safe_recvfrom(fd, host_msg, len, flags, |
cd813367 | 3598 | addr, &ret_addrlen)); |
1be9e1dc PB |
3599 | } else { |
3600 | addr = NULL; /* To keep compiler quiet. */ | |
cd813367 | 3601 | addrlen = 0; /* To keep compiler quiet. */ |
66687530 | 3602 | ret = get_errno(safe_recvfrom(fd, host_msg, len, flags, NULL, 0)); |
1be9e1dc PB |
3603 | } |
3604 | if (!is_error(ret)) { | |
c35e1f9c | 3605 | if (fd_trans_host_to_target_data(fd)) { |
2a03d3e6 LV |
3606 | abi_long trans; |
3607 | trans = fd_trans_host_to_target_data(fd)(host_msg, MIN(ret, len)); | |
3608 | if (is_error(trans)) { | |
3609 | ret = trans; | |
3610 | goto fail; | |
3611 | } | |
c35e1f9c | 3612 | } |
1be9e1dc | 3613 | if (target_addr) { |
cd813367 AS |
3614 | host_to_target_sockaddr(target_addr, addr, |
3615 | MIN(addrlen, ret_addrlen)); | |
3616 | if (put_user_u32(ret_addrlen, target_addrlen)) { | |
2f619698 FB |
3617 | ret = -TARGET_EFAULT; |
3618 | goto fail; | |
3619 | } | |
1be9e1dc PB |
3620 | } |
3621 | unlock_user(host_msg, msg, len); | |
3622 | } else { | |
2f619698 | 3623 | fail: |
1be9e1dc PB |
3624 | unlock_user(host_msg, msg, 0); |
3625 | } | |
3626 | return ret; | |
3627 | } | |
3628 | ||
32407103 | 3629 | #ifdef TARGET_NR_socketcall |
ff71a454 | 3630 | /* do_socketcall() must return target values and target errnos. */ |
992f48a0 | 3631 | static abi_long do_socketcall(int num, abi_ulong vptr) |
31e31b8a | 3632 | { |
ff71a454 AM |
3633 | static const unsigned nargs[] = { /* number of arguments per operation */ |
3634 | [TARGET_SYS_SOCKET] = 3, /* domain, type, protocol */ | |
3635 | [TARGET_SYS_BIND] = 3, /* fd, addr, addrlen */ | |
3636 | [TARGET_SYS_CONNECT] = 3, /* fd, addr, addrlen */ | |
3637 | [TARGET_SYS_LISTEN] = 2, /* fd, backlog */ | |
3638 | [TARGET_SYS_ACCEPT] = 3, /* fd, addr, addrlen */ | |
3639 | [TARGET_SYS_GETSOCKNAME] = 3, /* fd, addr, addrlen */ | |
3640 | [TARGET_SYS_GETPEERNAME] = 3, /* fd, addr, addrlen */ | |
3641 | [TARGET_SYS_SOCKETPAIR] = 4, /* domain, type, protocol, tab */ | |
3642 | [TARGET_SYS_SEND] = 4, /* fd, msg, len, flags */ | |
3643 | [TARGET_SYS_RECV] = 4, /* fd, msg, len, flags */ | |
3644 | [TARGET_SYS_SENDTO] = 6, /* fd, msg, len, flags, addr, addrlen */ | |
3645 | [TARGET_SYS_RECVFROM] = 6, /* fd, msg, len, flags, addr, addrlen */ | |
3646 | [TARGET_SYS_SHUTDOWN] = 2, /* fd, how */ | |
3647 | [TARGET_SYS_SETSOCKOPT] = 5, /* fd, level, optname, optval, optlen */ | |
3648 | [TARGET_SYS_GETSOCKOPT] = 5, /* fd, level, optname, optval, optlen */ | |
3649 | [TARGET_SYS_SENDMSG] = 3, /* fd, msg, flags */ | |
3650 | [TARGET_SYS_RECVMSG] = 3, /* fd, msg, flags */ | |
3651 | [TARGET_SYS_ACCEPT4] = 4, /* fd, addr, addrlen, flags */ | |
3652 | [TARGET_SYS_RECVMMSG] = 4, /* fd, msgvec, vlen, flags */ | |
3653 | [TARGET_SYS_SENDMMSG] = 4, /* fd, msgvec, vlen, flags */ | |
62dc90c6 MT |
3654 | }; |
3655 | abi_long a[6]; /* max 6 args */ | |
ff71a454 | 3656 | unsigned i; |
62dc90c6 | 3657 | |
ff71a454 AM |
3658 | /* check the range of the first argument num */ |
3659 | /* (TARGET_SYS_SENDMMSG is the highest among TARGET_SYS_xxx) */ | |
3660 | if (num < 1 || num > TARGET_SYS_SENDMMSG) { | |
3661 | return -TARGET_EINVAL; | |
3662 | } | |
3663 | /* ensure we have space for args */ | |
3664 | if (nargs[num] > ARRAY_SIZE(a)) { | |
3665 | return -TARGET_EINVAL; | |
3666 | } | |
3667 | /* collect the arguments in a[] according to nargs[] */ | |
3668 | for (i = 0; i < nargs[num]; ++i) { | |
3669 | if (get_user_ual(a[i], vptr + i * sizeof(abi_long)) != 0) { | |
3670 | return -TARGET_EFAULT; | |
31e31b8a | 3671 | } |
62dc90c6 | 3672 | } |
ff71a454 | 3673 | /* now when we have the args, invoke the appropriate underlying function */ |
62dc90c6 | 3674 | switch (num) { |
ff71a454 | 3675 | case TARGET_SYS_SOCKET: /* domain, type, protocol */ |
62dc90c6 | 3676 | return do_socket(a[0], a[1], a[2]); |
ff71a454 | 3677 | case TARGET_SYS_BIND: /* sockfd, addr, addrlen */ |
62dc90c6 | 3678 | return do_bind(a[0], a[1], a[2]); |
ff71a454 | 3679 | case TARGET_SYS_CONNECT: /* sockfd, addr, addrlen */ |
62dc90c6 | 3680 | return do_connect(a[0], a[1], a[2]); |
ff71a454 | 3681 | case TARGET_SYS_LISTEN: /* sockfd, backlog */ |
62dc90c6 | 3682 | return get_errno(listen(a[0], a[1])); |
ff71a454 | 3683 | case TARGET_SYS_ACCEPT: /* sockfd, addr, addrlen */ |
62dc90c6 | 3684 | return do_accept4(a[0], a[1], a[2], 0); |
ff71a454 | 3685 | case TARGET_SYS_GETSOCKNAME: /* sockfd, addr, addrlen */ |
62dc90c6 | 3686 | return do_getsockname(a[0], a[1], a[2]); |
ff71a454 | 3687 | case TARGET_SYS_GETPEERNAME: /* sockfd, addr, addrlen */ |
62dc90c6 | 3688 | return do_getpeername(a[0], a[1], a[2]); |
ff71a454 | 3689 | case TARGET_SYS_SOCKETPAIR: /* domain, type, protocol, tab */ |
62dc90c6 | 3690 | return do_socketpair(a[0], a[1], a[2], a[3]); |
ff71a454 | 3691 | case TARGET_SYS_SEND: /* sockfd, msg, len, flags */ |
62dc90c6 | 3692 | return do_sendto(a[0], a[1], a[2], a[3], 0, 0); |
ff71a454 | 3693 | case TARGET_SYS_RECV: /* sockfd, msg, len, flags */ |
62dc90c6 | 3694 | return do_recvfrom(a[0], a[1], a[2], a[3], 0, 0); |
ff71a454 | 3695 | case TARGET_SYS_SENDTO: /* sockfd, msg, len, flags, addr, addrlen */ |
62dc90c6 | 3696 | return do_sendto(a[0], a[1], a[2], a[3], a[4], a[5]); |
ff71a454 | 3697 | case TARGET_SYS_RECVFROM: /* sockfd, msg, len, flags, addr, addrlen */ |
62dc90c6 | 3698 | return do_recvfrom(a[0], a[1], a[2], a[3], a[4], a[5]); |
ff71a454 | 3699 | case TARGET_SYS_SHUTDOWN: /* sockfd, how */ |
62dc90c6 | 3700 | return get_errno(shutdown(a[0], a[1])); |
ff71a454 AM |
3701 | case TARGET_SYS_SETSOCKOPT: /* sockfd, level, optname, optval, optlen */ |
3702 | return do_setsockopt(a[0], a[1], a[2], a[3], a[4]); | |
3703 | case TARGET_SYS_GETSOCKOPT: /* sockfd, level, optname, optval, optlen */ | |
3704 | return do_getsockopt(a[0], a[1], a[2], a[3], a[4]); | |
3705 | case TARGET_SYS_SENDMSG: /* sockfd, msg, flags */ | |
62dc90c6 | 3706 | return do_sendrecvmsg(a[0], a[1], a[2], 1); |
ff71a454 | 3707 | case TARGET_SYS_RECVMSG: /* sockfd, msg, flags */ |
62dc90c6 | 3708 | return do_sendrecvmsg(a[0], a[1], a[2], 0); |
ff71a454 AM |
3709 | case TARGET_SYS_ACCEPT4: /* sockfd, addr, addrlen, flags */ |
3710 | return do_accept4(a[0], a[1], a[2], a[3]); | |
3711 | case TARGET_SYS_RECVMMSG: /* sockfd, msgvec, vlen, flags */ | |
5a53dc50 | 3712 | return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 0); |
ff71a454 AM |
3713 | case TARGET_SYS_SENDMMSG: /* sockfd, msgvec, vlen, flags */ |
3714 | return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 1); | |
31e31b8a | 3715 | default: |
39be5350 | 3716 | qemu_log_mask(LOG_UNIMP, "Unsupported socketcall: %d\n", num); |
ff71a454 | 3717 | return -TARGET_EINVAL; |
31e31b8a | 3718 | } |
31e31b8a | 3719 | } |
32407103 | 3720 | #endif |
31e31b8a | 3721 | |
005eb2ae PM |
3722 | #ifndef TARGET_SEMID64_DS |
3723 | /* asm-generic version of this struct */ | |
3724 | struct target_semid64_ds | |
3eb6b044 TS |
3725 | { |
3726 | struct target_ipc_perm sem_perm; | |
992f48a0 | 3727 | abi_ulong sem_otime; |
005eb2ae | 3728 | #if TARGET_ABI_BITS == 32 |
992f48a0 | 3729 | abi_ulong __unused1; |
03527344 | 3730 | #endif |
992f48a0 | 3731 | abi_ulong sem_ctime; |
005eb2ae | 3732 | #if TARGET_ABI_BITS == 32 |
992f48a0 | 3733 | abi_ulong __unused2; |
03527344 | 3734 | #endif |
992f48a0 BS |
3735 | abi_ulong sem_nsems; |
3736 | abi_ulong __unused3; | |
3737 | abi_ulong __unused4; | |
3eb6b044 | 3738 | }; |
005eb2ae | 3739 | #endif |
3eb6b044 | 3740 | |
579a97f7 FB |
3741 | static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip, |
3742 | abi_ulong target_addr) | |
3eb6b044 TS |
3743 | { |
3744 | struct target_ipc_perm *target_ip; | |
005eb2ae | 3745 | struct target_semid64_ds *target_sd; |
3eb6b044 | 3746 | |
579a97f7 FB |
3747 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
3748 | return -TARGET_EFAULT; | |
e8bbe36c | 3749 | target_ip = &(target_sd->sem_perm); |
55a2b163 PJ |
3750 | host_ip->__key = tswap32(target_ip->__key); |
3751 | host_ip->uid = tswap32(target_ip->uid); | |
3752 | host_ip->gid = tswap32(target_ip->gid); | |
3753 | host_ip->cuid = tswap32(target_ip->cuid); | |
3754 | host_ip->cgid = tswap32(target_ip->cgid); | |
3755 | #if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC) | |
3756 | host_ip->mode = tswap32(target_ip->mode); | |
3757 | #else | |
cbb21eed | 3758 | host_ip->mode = tswap16(target_ip->mode); |
55a2b163 PJ |
3759 | #endif |
3760 | #if defined(TARGET_PPC) | |
3761 | host_ip->__seq = tswap32(target_ip->__seq); | |
3762 | #else | |
3763 | host_ip->__seq = tswap16(target_ip->__seq); | |
3764 | #endif | |
3eb6b044 | 3765 | unlock_user_struct(target_sd, target_addr, 0); |
579a97f7 | 3766 | return 0; |
3eb6b044 TS |
3767 | } |
3768 | ||
579a97f7 FB |
3769 | static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr, |
3770 | struct ipc_perm *host_ip) | |
3eb6b044 TS |
3771 | { |
3772 | struct target_ipc_perm *target_ip; | |
005eb2ae | 3773 | struct target_semid64_ds *target_sd; |
3eb6b044 | 3774 | |
579a97f7 FB |
3775 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
3776 | return -TARGET_EFAULT; | |
3eb6b044 | 3777 | target_ip = &(target_sd->sem_perm); |
55a2b163 PJ |
3778 | target_ip->__key = tswap32(host_ip->__key); |
3779 | target_ip->uid = tswap32(host_ip->uid); | |
3780 | target_ip->gid = tswap32(host_ip->gid); | |
3781 | target_ip->cuid = tswap32(host_ip->cuid); | |
3782 | target_ip->cgid = tswap32(host_ip->cgid); | |
3783 | #if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC) | |
3784 | target_ip->mode = tswap32(host_ip->mode); | |
3785 | #else | |
cbb21eed | 3786 | target_ip->mode = tswap16(host_ip->mode); |
55a2b163 PJ |
3787 | #endif |
3788 | #if defined(TARGET_PPC) | |
3789 | target_ip->__seq = tswap32(host_ip->__seq); | |
3790 | #else | |
3791 | target_ip->__seq = tswap16(host_ip->__seq); | |
3792 | #endif | |
3eb6b044 | 3793 | unlock_user_struct(target_sd, target_addr, 1); |
579a97f7 | 3794 | return 0; |
3eb6b044 TS |
3795 | } |
3796 | ||
579a97f7 FB |
3797 | static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd, |
3798 | abi_ulong target_addr) | |
3eb6b044 | 3799 | { |
005eb2ae | 3800 | struct target_semid64_ds *target_sd; |
3eb6b044 | 3801 | |
579a97f7 FB |
3802 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
3803 | return -TARGET_EFAULT; | |
e5289087 AJ |
3804 | if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr)) |
3805 | return -TARGET_EFAULT; | |
cbb21eed MB |
3806 | host_sd->sem_nsems = tswapal(target_sd->sem_nsems); |
3807 | host_sd->sem_otime = tswapal(target_sd->sem_otime); | |
3808 | host_sd->sem_ctime = tswapal(target_sd->sem_ctime); | |
3eb6b044 | 3809 | unlock_user_struct(target_sd, target_addr, 0); |
579a97f7 | 3810 | return 0; |
3eb6b044 TS |
3811 | } |
3812 | ||
579a97f7 FB |
3813 | static inline abi_long host_to_target_semid_ds(abi_ulong target_addr, |
3814 | struct semid_ds *host_sd) | |
3eb6b044 | 3815 | { |
005eb2ae | 3816 | struct target_semid64_ds *target_sd; |
3eb6b044 | 3817 | |
579a97f7 FB |
3818 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
3819 | return -TARGET_EFAULT; | |
e5289087 | 3820 | if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm))) |
3a93113a | 3821 | return -TARGET_EFAULT; |
cbb21eed MB |
3822 | target_sd->sem_nsems = tswapal(host_sd->sem_nsems); |
3823 | target_sd->sem_otime = tswapal(host_sd->sem_otime); | |
3824 | target_sd->sem_ctime = tswapal(host_sd->sem_ctime); | |
3eb6b044 | 3825 | unlock_user_struct(target_sd, target_addr, 1); |
579a97f7 | 3826 | return 0; |
3eb6b044 TS |
3827 | } |
3828 | ||
e5289087 AJ |
3829 | struct target_seminfo { |
3830 | int semmap; | |
3831 | int semmni; | |
3832 | int semmns; | |
3833 | int semmnu; | |
3834 | int semmsl; | |
3835 | int semopm; | |
3836 | int semume; | |
3837 | int semusz; | |
3838 | int semvmx; | |
3839 | int semaem; | |
3840 | }; | |
3841 | ||
3842 | static inline abi_long host_to_target_seminfo(abi_ulong target_addr, | |
3843 | struct seminfo *host_seminfo) | |
3844 | { | |
3845 | struct target_seminfo *target_seminfo; | |
3846 | if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0)) | |
3847 | return -TARGET_EFAULT; | |
3848 | __put_user(host_seminfo->semmap, &target_seminfo->semmap); | |
3849 | __put_user(host_seminfo->semmni, &target_seminfo->semmni); | |
3850 | __put_user(host_seminfo->semmns, &target_seminfo->semmns); | |
3851 | __put_user(host_seminfo->semmnu, &target_seminfo->semmnu); | |
3852 | __put_user(host_seminfo->semmsl, &target_seminfo->semmsl); | |
3853 | __put_user(host_seminfo->semopm, &target_seminfo->semopm); | |
3854 | __put_user(host_seminfo->semume, &target_seminfo->semume); | |
3855 | __put_user(host_seminfo->semusz, &target_seminfo->semusz); | |
3856 | __put_user(host_seminfo->semvmx, &target_seminfo->semvmx); | |
3857 | __put_user(host_seminfo->semaem, &target_seminfo->semaem); | |
3858 | unlock_user_struct(target_seminfo, target_addr, 1); | |
3859 | return 0; | |
3860 | } | |
3861 | ||
fa294816 TS |
3862 | union semun { |
3863 | int val; | |
3eb6b044 | 3864 | struct semid_ds *buf; |
fa294816 | 3865 | unsigned short *array; |
e5289087 | 3866 | struct seminfo *__buf; |
fa294816 TS |
3867 | }; |
3868 | ||
3eb6b044 TS |
3869 | union target_semun { |
3870 | int val; | |
e5289087 AJ |
3871 | abi_ulong buf; |
3872 | abi_ulong array; | |
3873 | abi_ulong __buf; | |
3eb6b044 TS |
3874 | }; |
3875 | ||
e5289087 AJ |
3876 | static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array, |
3877 | abi_ulong target_addr) | |
3eb6b044 | 3878 | { |
e5289087 AJ |
3879 | int nsems; |
3880 | unsigned short *array; | |
3881 | union semun semun; | |
3882 | struct semid_ds semid_ds; | |
3883 | int i, ret; | |
3eb6b044 | 3884 | |
e5289087 AJ |
3885 | semun.buf = &semid_ds; |
3886 | ||
3887 | ret = semctl(semid, 0, IPC_STAT, semun); | |
3888 | if (ret == -1) | |
3889 | return get_errno(ret); | |
3890 | ||
3891 | nsems = semid_ds.sem_nsems; | |
3892 | ||
0e173b24 | 3893 | *host_array = g_try_new(unsigned short, nsems); |
69d4c703 PM |
3894 | if (!*host_array) { |
3895 | return -TARGET_ENOMEM; | |
3896 | } | |
e5289087 AJ |
3897 | array = lock_user(VERIFY_READ, target_addr, |
3898 | nsems*sizeof(unsigned short), 1); | |
69d4c703 | 3899 | if (!array) { |
0e173b24 | 3900 | g_free(*host_array); |
e5289087 | 3901 | return -TARGET_EFAULT; |
69d4c703 | 3902 | } |
e5289087 AJ |
3903 | |
3904 | for(i=0; i<nsems; i++) { | |
3905 | __get_user((*host_array)[i], &array[i]); | |
3eb6b044 | 3906 | } |
e5289087 AJ |
3907 | unlock_user(array, target_addr, 0); |
3908 | ||
579a97f7 | 3909 | return 0; |
3eb6b044 TS |
3910 | } |
3911 | ||
e5289087 AJ |
3912 | static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr, |
3913 | unsigned short **host_array) | |
3eb6b044 | 3914 | { |
e5289087 AJ |
3915 | int nsems; |
3916 | unsigned short *array; | |
3917 | union semun semun; | |
3918 | struct semid_ds semid_ds; | |
3919 | int i, ret; | |
3eb6b044 | 3920 | |
e5289087 AJ |
3921 | semun.buf = &semid_ds; |
3922 | ||
3923 | ret = semctl(semid, 0, IPC_STAT, semun); | |
3924 | if (ret == -1) | |
3925 | return get_errno(ret); | |
3926 | ||
3927 | nsems = semid_ds.sem_nsems; | |
3928 | ||
3929 | array = lock_user(VERIFY_WRITE, target_addr, | |
3930 | nsems*sizeof(unsigned short), 0); | |
3931 | if (!array) | |
3932 | return -TARGET_EFAULT; | |
3933 | ||
3934 | for(i=0; i<nsems; i++) { | |
3935 | __put_user((*host_array)[i], &array[i]); | |
3eb6b044 | 3936 | } |
0e173b24 | 3937 | g_free(*host_array); |
e5289087 AJ |
3938 | unlock_user(array, target_addr, 1); |
3939 | ||
579a97f7 | 3940 | return 0; |
3eb6b044 TS |
3941 | } |
3942 | ||
e5289087 | 3943 | static inline abi_long do_semctl(int semid, int semnum, int cmd, |
d1c002b6 | 3944 | abi_ulong target_arg) |
3eb6b044 | 3945 | { |
d1c002b6 | 3946 | union target_semun target_su = { .buf = target_arg }; |
3eb6b044 TS |
3947 | union semun arg; |
3948 | struct semid_ds dsarg; | |
7b8118e8 | 3949 | unsigned short *array = NULL; |
e5289087 AJ |
3950 | struct seminfo seminfo; |
3951 | abi_long ret = -TARGET_EINVAL; | |
3952 | abi_long err; | |
3953 | cmd &= 0xff; | |
3eb6b044 TS |
3954 | |
3955 | switch( cmd ) { | |
3956 | case GETVAL: | |
3eb6b044 | 3957 | case SETVAL: |
5464baec TM |
3958 | /* In 64 bit cross-endian situations, we will erroneously pick up |
3959 | * the wrong half of the union for the "val" element. To rectify | |
3960 | * this, the entire 8-byte structure is byteswapped, followed by | |
3961 | * a swap of the 4 byte val field. In other cases, the data is | |
3962 | * already in proper host byte order. */ | |
3963 | if (sizeof(target_su.val) != (sizeof(target_su.buf))) { | |
3964 | target_su.buf = tswapal(target_su.buf); | |
3965 | arg.val = tswap32(target_su.val); | |
3966 | } else { | |
3967 | arg.val = target_su.val; | |
3968 | } | |
e5289087 | 3969 | ret = get_errno(semctl(semid, semnum, cmd, arg)); |
3eb6b044 TS |
3970 | break; |
3971 | case GETALL: | |
3eb6b044 | 3972 | case SETALL: |
e5289087 AJ |
3973 | err = target_to_host_semarray(semid, &array, target_su.array); |
3974 | if (err) | |
3975 | return err; | |
3976 | arg.array = array; | |
3977 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
3978 | err = host_to_target_semarray(semid, target_su.array, &array); | |
3979 | if (err) | |
3980 | return err; | |
3eb6b044 TS |
3981 | break; |
3982 | case IPC_STAT: | |
3eb6b044 | 3983 | case IPC_SET: |
e5289087 AJ |
3984 | case SEM_STAT: |
3985 | err = target_to_host_semid_ds(&dsarg, target_su.buf); | |
3986 | if (err) | |
3987 | return err; | |
3988 | arg.buf = &dsarg; | |
3989 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
3990 | err = host_to_target_semid_ds(target_su.buf, &dsarg); | |
3991 | if (err) | |
3992 | return err; | |
3993 | break; | |
3994 | case IPC_INFO: | |
3995 | case SEM_INFO: | |
3996 | arg.__buf = &seminfo; | |
3997 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
3998 | err = host_to_target_seminfo(target_su.__buf, &seminfo); | |
3999 | if (err) | |
4000 | return err; | |
4001 | break; | |
4002 | case IPC_RMID: | |
4003 | case GETPID: | |
4004 | case GETNCNT: | |
4005 | case GETZCNT: | |
4006 | ret = get_errno(semctl(semid, semnum, cmd, NULL)); | |
3eb6b044 | 4007 | break; |
3eb6b044 TS |
4008 | } |
4009 | ||
4010 | return ret; | |
4011 | } | |
4012 | ||
e5289087 AJ |
4013 | struct target_sembuf { |
4014 | unsigned short sem_num; | |
4015 | short sem_op; | |
4016 | short sem_flg; | |
4017 | }; | |
4018 | ||
4019 | static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf, | |
4020 | abi_ulong target_addr, | |
4021 | unsigned nsops) | |
4022 | { | |
4023 | struct target_sembuf *target_sembuf; | |
4024 | int i; | |
4025 | ||
4026 | target_sembuf = lock_user(VERIFY_READ, target_addr, | |
4027 | nsops*sizeof(struct target_sembuf), 1); | |
4028 | if (!target_sembuf) | |
4029 | return -TARGET_EFAULT; | |
4030 | ||
4031 | for(i=0; i<nsops; i++) { | |
4032 | __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num); | |
4033 | __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op); | |
4034 | __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg); | |
4035 | } | |
4036 | ||
4037 | unlock_user(target_sembuf, target_addr, 0); | |
4038 | ||
4039 | return 0; | |
4040 | } | |
4041 | ||
d8c08b1e | 4042 | #if defined(TARGET_NR_ipc) || defined(TARGET_NR_semop) || \ |
cac46eb0 | 4043 | defined(TARGET_NR_semtimedop) || defined(TARGET_NR_semtimedop_time64) |
d8c08b1e MK |
4044 | |
4045 | /* | |
4046 | * This macro is required to handle the s390 variants, which passes the | |
4047 | * arguments in a different order than default. | |
4048 | */ | |
4049 | #ifdef __s390x__ | |
4050 | #define SEMTIMEDOP_IPC_ARGS(__nsops, __sops, __timeout) \ | |
4051 | (__nsops), (__timeout), (__sops) | |
4052 | #else | |
4053 | #define SEMTIMEDOP_IPC_ARGS(__nsops, __sops, __timeout) \ | |
4054 | (__nsops), 0, (__sops), (__timeout) | |
4055 | #endif | |
4056 | ||
4057 | static inline abi_long do_semtimedop(int semid, | |
4058 | abi_long ptr, | |
4059 | unsigned nsops, | |
cac46eb0 | 4060 | abi_long timeout, bool time64) |
e5289087 | 4061 | { |
0a7ec849 | 4062 | struct sembuf *sops; |
d8c08b1e | 4063 | struct timespec ts, *pts = NULL; |
524fa340 | 4064 | abi_long ret; |
e5289087 | 4065 | |
d8c08b1e MK |
4066 | if (timeout) { |
4067 | pts = &ts; | |
cac46eb0 FB |
4068 | if (time64) { |
4069 | if (target_to_host_timespec64(pts, timeout)) { | |
4070 | return -TARGET_EFAULT; | |
4071 | } | |
4072 | } else { | |
4073 | if (target_to_host_timespec(pts, timeout)) { | |
4074 | return -TARGET_EFAULT; | |
4075 | } | |
d8c08b1e MK |
4076 | } |
4077 | } | |
4078 | ||
0a7ec849 FB |
4079 | if (nsops > TARGET_SEMOPM) { |
4080 | return -TARGET_E2BIG; | |
4081 | } | |
4082 | ||
4083 | sops = g_new(struct sembuf, nsops); | |
4084 | ||
4085 | if (target_to_host_sembuf(sops, ptr, nsops)) { | |
4086 | g_free(sops); | |
e5289087 | 4087 | return -TARGET_EFAULT; |
0a7ec849 | 4088 | } |
e5289087 | 4089 | |
524fa340 LV |
4090 | ret = -TARGET_ENOSYS; |
4091 | #ifdef __NR_semtimedop | |
d8c08b1e | 4092 | ret = get_errno(safe_semtimedop(semid, sops, nsops, pts)); |
524fa340 LV |
4093 | #endif |
4094 | #ifdef __NR_ipc | |
4095 | if (ret == -TARGET_ENOSYS) { | |
d8c08b1e MK |
4096 | ret = get_errno(safe_ipc(IPCOP_semtimedop, semid, |
4097 | SEMTIMEDOP_IPC_ARGS(nsops, sops, (long)pts))); | |
524fa340 LV |
4098 | } |
4099 | #endif | |
0a7ec849 | 4100 | g_free(sops); |
524fa340 | 4101 | return ret; |
e5289087 | 4102 | } |
d8c08b1e | 4103 | #endif |
e5289087 | 4104 | |
1bc012f6 TS |
4105 | struct target_msqid_ds |
4106 | { | |
1c54ff97 AJ |
4107 | struct target_ipc_perm msg_perm; |
4108 | abi_ulong msg_stime; | |
4109 | #if TARGET_ABI_BITS == 32 | |
4110 | abi_ulong __unused1; | |
4111 | #endif | |
4112 | abi_ulong msg_rtime; | |
4113 | #if TARGET_ABI_BITS == 32 | |
4114 | abi_ulong __unused2; | |
4115 | #endif | |
4116 | abi_ulong msg_ctime; | |
4117 | #if TARGET_ABI_BITS == 32 | |
4118 | abi_ulong __unused3; | |
4119 | #endif | |
4120 | abi_ulong __msg_cbytes; | |
4121 | abi_ulong msg_qnum; | |
4122 | abi_ulong msg_qbytes; | |
4123 | abi_ulong msg_lspid; | |
4124 | abi_ulong msg_lrpid; | |
4125 | abi_ulong __unused4; | |
4126 | abi_ulong __unused5; | |
1bc012f6 TS |
4127 | }; |
4128 | ||
579a97f7 FB |
4129 | static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md, |
4130 | abi_ulong target_addr) | |
1bc012f6 TS |
4131 | { |
4132 | struct target_msqid_ds *target_md; | |
4133 | ||
579a97f7 FB |
4134 | if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1)) |
4135 | return -TARGET_EFAULT; | |
1c54ff97 AJ |
4136 | if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr)) |
4137 | return -TARGET_EFAULT; | |
cbb21eed MB |
4138 | host_md->msg_stime = tswapal(target_md->msg_stime); |
4139 | host_md->msg_rtime = tswapal(target_md->msg_rtime); | |
4140 | host_md->msg_ctime = tswapal(target_md->msg_ctime); | |
4141 | host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes); | |
4142 | host_md->msg_qnum = tswapal(target_md->msg_qnum); | |
4143 | host_md->msg_qbytes = tswapal(target_md->msg_qbytes); | |
4144 | host_md->msg_lspid = tswapal(target_md->msg_lspid); | |
4145 | host_md->msg_lrpid = tswapal(target_md->msg_lrpid); | |
1bc012f6 | 4146 | unlock_user_struct(target_md, target_addr, 0); |
579a97f7 | 4147 | return 0; |
1bc012f6 TS |
4148 | } |
4149 | ||
579a97f7 FB |
4150 | static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr, |
4151 | struct msqid_ds *host_md) | |
1bc012f6 TS |
4152 | { |
4153 | struct target_msqid_ds *target_md; | |
4154 | ||
579a97f7 FB |
4155 | if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0)) |
4156 | return -TARGET_EFAULT; | |
1c54ff97 AJ |
4157 | if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm))) |
4158 | return -TARGET_EFAULT; | |
cbb21eed MB |
4159 | target_md->msg_stime = tswapal(host_md->msg_stime); |
4160 | target_md->msg_rtime = tswapal(host_md->msg_rtime); | |
4161 | target_md->msg_ctime = tswapal(host_md->msg_ctime); | |
4162 | target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes); | |
4163 | target_md->msg_qnum = tswapal(host_md->msg_qnum); | |
4164 | target_md->msg_qbytes = tswapal(host_md->msg_qbytes); | |
4165 | target_md->msg_lspid = tswapal(host_md->msg_lspid); | |
4166 | target_md->msg_lrpid = tswapal(host_md->msg_lrpid); | |
1bc012f6 | 4167 | unlock_user_struct(target_md, target_addr, 1); |
579a97f7 | 4168 | return 0; |
1bc012f6 TS |
4169 | } |
4170 | ||
1c54ff97 AJ |
4171 | struct target_msginfo { |
4172 | int msgpool; | |
4173 | int msgmap; | |
4174 | int msgmax; | |
4175 | int msgmnb; | |
4176 | int msgmni; | |
4177 | int msgssz; | |
4178 | int msgtql; | |
4179 | unsigned short int msgseg; | |
4180 | }; | |
4181 | ||
4182 | static inline abi_long host_to_target_msginfo(abi_ulong target_addr, | |
4183 | struct msginfo *host_msginfo) | |
4184 | { | |
4185 | struct target_msginfo *target_msginfo; | |
4186 | if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0)) | |
4187 | return -TARGET_EFAULT; | |
4188 | __put_user(host_msginfo->msgpool, &target_msginfo->msgpool); | |
4189 | __put_user(host_msginfo->msgmap, &target_msginfo->msgmap); | |
4190 | __put_user(host_msginfo->msgmax, &target_msginfo->msgmax); | |
4191 | __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb); | |
4192 | __put_user(host_msginfo->msgmni, &target_msginfo->msgmni); | |
4193 | __put_user(host_msginfo->msgssz, &target_msginfo->msgssz); | |
4194 | __put_user(host_msginfo->msgtql, &target_msginfo->msgtql); | |
4195 | __put_user(host_msginfo->msgseg, &target_msginfo->msgseg); | |
4196 | unlock_user_struct(target_msginfo, target_addr, 1); | |
00b229ac | 4197 | return 0; |
1c54ff97 AJ |
4198 | } |
4199 | ||
4200 | static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr) | |
1bc012f6 TS |
4201 | { |
4202 | struct msqid_ds dsarg; | |
1c54ff97 AJ |
4203 | struct msginfo msginfo; |
4204 | abi_long ret = -TARGET_EINVAL; | |
4205 | ||
4206 | cmd &= 0xff; | |
4207 | ||
4208 | switch (cmd) { | |
1bc012f6 TS |
4209 | case IPC_STAT: |
4210 | case IPC_SET: | |
1c54ff97 AJ |
4211 | case MSG_STAT: |
4212 | if (target_to_host_msqid_ds(&dsarg,ptr)) | |
4213 | return -TARGET_EFAULT; | |
4214 | ret = get_errno(msgctl(msgid, cmd, &dsarg)); | |
4215 | if (host_to_target_msqid_ds(ptr,&dsarg)) | |
4216 | return -TARGET_EFAULT; | |
4217 | break; | |
4218 | case IPC_RMID: | |
4219 | ret = get_errno(msgctl(msgid, cmd, NULL)); | |
4220 | break; | |
4221 | case IPC_INFO: | |
4222 | case MSG_INFO: | |
4223 | ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo)); | |
4224 | if (host_to_target_msginfo(ptr, &msginfo)) | |
4225 | return -TARGET_EFAULT; | |
4226 | break; | |
1bc012f6 | 4227 | } |
1c54ff97 | 4228 | |
1bc012f6 TS |
4229 | return ret; |
4230 | } | |
4231 | ||
4232 | struct target_msgbuf { | |
1c54ff97 AJ |
4233 | abi_long mtype; |
4234 | char mtext[1]; | |
1bc012f6 TS |
4235 | }; |
4236 | ||
992f48a0 | 4237 | static inline abi_long do_msgsnd(int msqid, abi_long msgp, |
edcc5f9d | 4238 | ssize_t msgsz, int msgflg) |
1bc012f6 TS |
4239 | { |
4240 | struct target_msgbuf *target_mb; | |
4241 | struct msgbuf *host_mb; | |
992f48a0 | 4242 | abi_long ret = 0; |
1bc012f6 | 4243 | |
edcc5f9d TM |
4244 | if (msgsz < 0) { |
4245 | return -TARGET_EINVAL; | |
4246 | } | |
4247 | ||
579a97f7 FB |
4248 | if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0)) |
4249 | return -TARGET_EFAULT; | |
0e173b24 | 4250 | host_mb = g_try_malloc(msgsz + sizeof(long)); |
29e03fcb HZ |
4251 | if (!host_mb) { |
4252 | unlock_user_struct(target_mb, msgp, 0); | |
4253 | return -TARGET_ENOMEM; | |
4254 | } | |
cbb21eed | 4255 | host_mb->mtype = (abi_long) tswapal(target_mb->mtype); |
1c54ff97 | 4256 | memcpy(host_mb->mtext, target_mb->mtext, msgsz); |
524fa340 LV |
4257 | ret = -TARGET_ENOSYS; |
4258 | #ifdef __NR_msgsnd | |
89f9fe44 | 4259 | ret = get_errno(safe_msgsnd(msqid, host_mb, msgsz, msgflg)); |
524fa340 LV |
4260 | #endif |
4261 | #ifdef __NR_ipc | |
4262 | if (ret == -TARGET_ENOSYS) { | |
d8c08b1e MK |
4263 | #ifdef __s390x__ |
4264 | ret = get_errno(safe_ipc(IPCOP_msgsnd, msqid, msgsz, msgflg, | |
4265 | host_mb)); | |
4266 | #else | |
524fa340 LV |
4267 | ret = get_errno(safe_ipc(IPCOP_msgsnd, msqid, msgsz, msgflg, |
4268 | host_mb, 0)); | |
d8c08b1e | 4269 | #endif |
524fa340 LV |
4270 | } |
4271 | #endif | |
0e173b24 | 4272 | g_free(host_mb); |
1bc012f6 TS |
4273 | unlock_user_struct(target_mb, msgp, 0); |
4274 | ||
4275 | return ret; | |
4276 | } | |
4277 | ||
d8c08b1e MK |
4278 | #ifdef __NR_ipc |
4279 | #if defined(__sparc__) | |
4280 | /* SPARC for msgrcv it does not use the kludge on final 2 arguments. */ | |
4281 | #define MSGRCV_ARGS(__msgp, __msgtyp) __msgp, __msgtyp | |
4282 | #elif defined(__s390x__) | |
4283 | /* The s390 sys_ipc variant has only five parameters. */ | |
4284 | #define MSGRCV_ARGS(__msgp, __msgtyp) \ | |
4285 | ((long int[]){(long int)__msgp, __msgtyp}) | |
4286 | #else | |
4287 | #define MSGRCV_ARGS(__msgp, __msgtyp) \ | |
4288 | ((long int[]){(long int)__msgp, __msgtyp}), 0 | |
4289 | #endif | |
4290 | #endif | |
4291 | ||
992f48a0 | 4292 | static inline abi_long do_msgrcv(int msqid, abi_long msgp, |
99874f65 | 4293 | ssize_t msgsz, abi_long msgtyp, |
992f48a0 | 4294 | int msgflg) |
1bc012f6 TS |
4295 | { |
4296 | struct target_msgbuf *target_mb; | |
579a97f7 | 4297 | char *target_mtext; |
1bc012f6 | 4298 | struct msgbuf *host_mb; |
992f48a0 | 4299 | abi_long ret = 0; |
1bc012f6 | 4300 | |
99874f65 PM |
4301 | if (msgsz < 0) { |
4302 | return -TARGET_EINVAL; | |
4303 | } | |
4304 | ||
579a97f7 FB |
4305 | if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0)) |
4306 | return -TARGET_EFAULT; | |
1c54ff97 | 4307 | |
415d8471 PM |
4308 | host_mb = g_try_malloc(msgsz + sizeof(long)); |
4309 | if (!host_mb) { | |
4310 | ret = -TARGET_ENOMEM; | |
4311 | goto end; | |
4312 | } | |
524fa340 LV |
4313 | ret = -TARGET_ENOSYS; |
4314 | #ifdef __NR_msgrcv | |
89f9fe44 | 4315 | ret = get_errno(safe_msgrcv(msqid, host_mb, msgsz, msgtyp, msgflg)); |
524fa340 LV |
4316 | #endif |
4317 | #ifdef __NR_ipc | |
4318 | if (ret == -TARGET_ENOSYS) { | |
4319 | ret = get_errno(safe_ipc(IPCOP_CALL(1, IPCOP_msgrcv), msqid, msgsz, | |
d8c08b1e | 4320 | msgflg, MSGRCV_ARGS(host_mb, msgtyp))); |
524fa340 LV |
4321 | } |
4322 | #endif | |
1c54ff97 | 4323 | |
579a97f7 FB |
4324 | if (ret > 0) { |
4325 | abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong); | |
4326 | target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0); | |
4327 | if (!target_mtext) { | |
4328 | ret = -TARGET_EFAULT; | |
4329 | goto end; | |
4330 | } | |
1c54ff97 | 4331 | memcpy(target_mb->mtext, host_mb->mtext, ret); |
579a97f7 FB |
4332 | unlock_user(target_mtext, target_mtext_addr, ret); |
4333 | } | |
1c54ff97 | 4334 | |
cbb21eed | 4335 | target_mb->mtype = tswapal(host_mb->mtype); |
1bc012f6 | 4336 | |
579a97f7 FB |
4337 | end: |
4338 | if (target_mb) | |
4339 | unlock_user_struct(target_mb, msgp, 1); | |
0d07fe47 | 4340 | g_free(host_mb); |
1bc012f6 TS |
4341 | return ret; |
4342 | } | |
4343 | ||
88a8c984 RV |
4344 | static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd, |
4345 | abi_ulong target_addr) | |
4346 | { | |
4347 | struct target_shmid_ds *target_sd; | |
4348 | ||
4349 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) | |
4350 | return -TARGET_EFAULT; | |
4351 | if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr)) | |
4352 | return -TARGET_EFAULT; | |
4353 | __get_user(host_sd->shm_segsz, &target_sd->shm_segsz); | |
4354 | __get_user(host_sd->shm_atime, &target_sd->shm_atime); | |
4355 | __get_user(host_sd->shm_dtime, &target_sd->shm_dtime); | |
4356 | __get_user(host_sd->shm_ctime, &target_sd->shm_ctime); | |
4357 | __get_user(host_sd->shm_cpid, &target_sd->shm_cpid); | |
4358 | __get_user(host_sd->shm_lpid, &target_sd->shm_lpid); | |
4359 | __get_user(host_sd->shm_nattch, &target_sd->shm_nattch); | |
4360 | unlock_user_struct(target_sd, target_addr, 0); | |
4361 | return 0; | |
4362 | } | |
4363 | ||
4364 | static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr, | |
4365 | struct shmid_ds *host_sd) | |
4366 | { | |
4367 | struct target_shmid_ds *target_sd; | |
4368 | ||
4369 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) | |
4370 | return -TARGET_EFAULT; | |
4371 | if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm))) | |
4372 | return -TARGET_EFAULT; | |
4373 | __put_user(host_sd->shm_segsz, &target_sd->shm_segsz); | |
4374 | __put_user(host_sd->shm_atime, &target_sd->shm_atime); | |
4375 | __put_user(host_sd->shm_dtime, &target_sd->shm_dtime); | |
4376 | __put_user(host_sd->shm_ctime, &target_sd->shm_ctime); | |
4377 | __put_user(host_sd->shm_cpid, &target_sd->shm_cpid); | |
4378 | __put_user(host_sd->shm_lpid, &target_sd->shm_lpid); | |
4379 | __put_user(host_sd->shm_nattch, &target_sd->shm_nattch); | |
4380 | unlock_user_struct(target_sd, target_addr, 1); | |
4381 | return 0; | |
4382 | } | |
4383 | ||
4384 | struct target_shminfo { | |
4385 | abi_ulong shmmax; | |
4386 | abi_ulong shmmin; | |
4387 | abi_ulong shmmni; | |
4388 | abi_ulong shmseg; | |
4389 | abi_ulong shmall; | |
4390 | }; | |
4391 | ||
4392 | static inline abi_long host_to_target_shminfo(abi_ulong target_addr, | |
4393 | struct shminfo *host_shminfo) | |
4394 | { | |
4395 | struct target_shminfo *target_shminfo; | |
4396 | if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0)) | |
4397 | return -TARGET_EFAULT; | |
4398 | __put_user(host_shminfo->shmmax, &target_shminfo->shmmax); | |
4399 | __put_user(host_shminfo->shmmin, &target_shminfo->shmmin); | |
4400 | __put_user(host_shminfo->shmmni, &target_shminfo->shmmni); | |
4401 | __put_user(host_shminfo->shmseg, &target_shminfo->shmseg); | |
4402 | __put_user(host_shminfo->shmall, &target_shminfo->shmall); | |
4403 | unlock_user_struct(target_shminfo, target_addr, 1); | |
4404 | return 0; | |
4405 | } | |
4406 | ||
4407 | struct target_shm_info { | |
4408 | int used_ids; | |
4409 | abi_ulong shm_tot; | |
4410 | abi_ulong shm_rss; | |
4411 | abi_ulong shm_swp; | |
4412 | abi_ulong swap_attempts; | |
4413 | abi_ulong swap_successes; | |
4414 | }; | |
4415 | ||
4416 | static inline abi_long host_to_target_shm_info(abi_ulong target_addr, | |
4417 | struct shm_info *host_shm_info) | |
4418 | { | |
4419 | struct target_shm_info *target_shm_info; | |
4420 | if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0)) | |
4421 | return -TARGET_EFAULT; | |
4422 | __put_user(host_shm_info->used_ids, &target_shm_info->used_ids); | |
4423 | __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot); | |
4424 | __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss); | |
4425 | __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp); | |
4426 | __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts); | |
4427 | __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes); | |
4428 | unlock_user_struct(target_shm_info, target_addr, 1); | |
4429 | return 0; | |
4430 | } | |
4431 | ||
4432 | static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf) | |
4433 | { | |
4434 | struct shmid_ds dsarg; | |
4435 | struct shminfo shminfo; | |
4436 | struct shm_info shm_info; | |
4437 | abi_long ret = -TARGET_EINVAL; | |
4438 | ||
4439 | cmd &= 0xff; | |
4440 | ||
4441 | switch(cmd) { | |
4442 | case IPC_STAT: | |
4443 | case IPC_SET: | |
4444 | case SHM_STAT: | |
4445 | if (target_to_host_shmid_ds(&dsarg, buf)) | |
4446 | return -TARGET_EFAULT; | |
4447 | ret = get_errno(shmctl(shmid, cmd, &dsarg)); | |
4448 | if (host_to_target_shmid_ds(buf, &dsarg)) | |
4449 | return -TARGET_EFAULT; | |
4450 | break; | |
4451 | case IPC_INFO: | |
4452 | ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo)); | |
4453 | if (host_to_target_shminfo(buf, &shminfo)) | |
4454 | return -TARGET_EFAULT; | |
4455 | break; | |
4456 | case SHM_INFO: | |
4457 | ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info)); | |
4458 | if (host_to_target_shm_info(buf, &shm_info)) | |
4459 | return -TARGET_EFAULT; | |
4460 | break; | |
4461 | case IPC_RMID: | |
4462 | case SHM_LOCK: | |
4463 | case SHM_UNLOCK: | |
4464 | ret = get_errno(shmctl(shmid, cmd, NULL)); | |
4465 | break; | |
4466 | } | |
4467 | ||
4468 | return ret; | |
4469 | } | |
4470 | ||
1c54ff97 | 4471 | #ifdef TARGET_NR_ipc |
53a5960a | 4472 | /* ??? This only works with linear mappings. */ |
0da46a6e | 4473 | /* do_ipc() must return target values and target errnos. */ |
ee8e7614 PM |
4474 | static abi_long do_ipc(CPUArchState *cpu_env, |
4475 | unsigned int call, abi_long first, | |
37ed0956 | 4476 | abi_long second, abi_long third, |
992f48a0 | 4477 | abi_long ptr, abi_long fifth) |
8853f86e FB |
4478 | { |
4479 | int version; | |
992f48a0 | 4480 | abi_long ret = 0; |
8853f86e FB |
4481 | |
4482 | version = call >> 16; | |
4483 | call &= 0xffff; | |
4484 | ||
4485 | switch (call) { | |
fa294816 | 4486 | case IPCOP_semop: |
cac46eb0 | 4487 | ret = do_semtimedop(first, ptr, second, 0, false); |
d8c08b1e MK |
4488 | break; |
4489 | case IPCOP_semtimedop: | |
4490 | /* | |
4491 | * The s390 sys_ipc variant has only five parameters instead of six | |
4492 | * (as for default variant) and the only difference is the handling of | |
4493 | * SEMTIMEDOP where on s390 the third parameter is used as a pointer | |
4494 | * to a struct timespec where the generic variant uses fifth parameter. | |
4495 | */ | |
4496 | #if defined(TARGET_S390X) | |
cac46eb0 | 4497 | ret = do_semtimedop(first, ptr, second, third, TARGET_ABI_BITS == 64); |
d8c08b1e | 4498 | #else |
cac46eb0 | 4499 | ret = do_semtimedop(first, ptr, second, fifth, TARGET_ABI_BITS == 64); |
d8c08b1e | 4500 | #endif |
fa294816 TS |
4501 | break; |
4502 | ||
4503 | case IPCOP_semget: | |
4504 | ret = get_errno(semget(first, second, third)); | |
4505 | break; | |
4506 | ||
5d2fa8eb TM |
4507 | case IPCOP_semctl: { |
4508 | /* The semun argument to semctl is passed by value, so dereference the | |
4509 | * ptr argument. */ | |
4510 | abi_ulong atptr; | |
37ed0956 | 4511 | get_user_ual(atptr, ptr); |
d1c002b6 | 4512 | ret = do_semctl(first, second, third, atptr); |
fa294816 | 4513 | break; |
5d2fa8eb | 4514 | } |
d96372ef | 4515 | |
1c54ff97 AJ |
4516 | case IPCOP_msgget: |
4517 | ret = get_errno(msgget(first, second)); | |
4518 | break; | |
d96372ef | 4519 | |
1c54ff97 AJ |
4520 | case IPCOP_msgsnd: |
4521 | ret = do_msgsnd(first, ptr, second, third); | |
4522 | break; | |
d96372ef | 4523 | |
1c54ff97 AJ |
4524 | case IPCOP_msgctl: |
4525 | ret = do_msgctl(first, second, ptr); | |
4526 | break; | |
d96372ef | 4527 | |
1c54ff97 AJ |
4528 | case IPCOP_msgrcv: |
4529 | switch (version) { | |
4530 | case 0: | |
4531 | { | |
4532 | struct target_ipc_kludge { | |
4533 | abi_long msgp; | |
4534 | abi_long msgtyp; | |
4535 | } *tmp; | |
4536 | ||
4537 | if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) { | |
4538 | ret = -TARGET_EFAULT; | |
4539 | break; | |
4540 | } | |
d96372ef | 4541 | |
79dd77de | 4542 | ret = do_msgrcv(first, tswapal(tmp->msgp), second, tswapal(tmp->msgtyp), third); |
d96372ef | 4543 | |
1c54ff97 AJ |
4544 | unlock_user_struct(tmp, ptr, 0); |
4545 | break; | |
4546 | } | |
4547 | default: | |
4548 | ret = do_msgrcv(first, ptr, second, fifth, third); | |
4549 | } | |
4550 | break; | |
d96372ef | 4551 | |
8853f86e | 4552 | case IPCOP_shmat: |
88a8c984 RV |
4553 | switch (version) { |
4554 | default: | |
5a4a898d FB |
4555 | { |
4556 | abi_ulong raddr; | |
225a206c | 4557 | raddr = target_shmat(cpu_env, first, ptr, second); |
88a8c984 RV |
4558 | if (is_error(raddr)) |
4559 | return get_errno(raddr); | |
2f619698 | 4560 | if (put_user_ual(raddr, third)) |
5a4a898d | 4561 | return -TARGET_EFAULT; |
88a8c984 RV |
4562 | break; |
4563 | } | |
4564 | case 1: | |
4565 | ret = -TARGET_EINVAL; | |
4566 | break; | |
5a4a898d | 4567 | } |
8853f86e FB |
4568 | break; |
4569 | case IPCOP_shmdt: | |
225a206c | 4570 | ret = target_shmdt(ptr); |
8853f86e FB |
4571 | break; |
4572 | ||
4573 | case IPCOP_shmget: | |
4574 | /* IPC_* flag values are the same on all linux platforms */ | |
4575 | ret = get_errno(shmget(first, second, third)); | |
4576 | break; | |
4577 | ||
4578 | /* IPC_* and SHM_* command values are the same on all linux platforms */ | |
4579 | case IPCOP_shmctl: | |
a2926784 | 4580 | ret = do_shmctl(first, second, ptr); |
8853f86e FB |
4581 | break; |
4582 | default: | |
39be5350 JK |
4583 | qemu_log_mask(LOG_UNIMP, "Unsupported ipc call: %d (version %d)\n", |
4584 | call, version); | |
0da46a6e | 4585 | ret = -TARGET_ENOSYS; |
8853f86e FB |
4586 | break; |
4587 | } | |
4588 | return ret; | |
4589 | } | |
32407103 | 4590 | #endif |
8853f86e | 4591 | |
31e31b8a | 4592 | /* kernel structure types definitions */ |
31e31b8a | 4593 | |
001faf32 | 4594 | #define STRUCT(name, ...) STRUCT_ ## name, |
31e31b8a FB |
4595 | #define STRUCT_SPECIAL(name) STRUCT_ ## name, |
4596 | enum { | |
4597 | #include "syscall_types.h" | |
8be656b8 | 4598 | STRUCT_MAX |
31e31b8a FB |
4599 | }; |
4600 | #undef STRUCT | |
4601 | #undef STRUCT_SPECIAL | |
4602 | ||
001faf32 | 4603 | #define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL }; |
31e31b8a FB |
4604 | #define STRUCT_SPECIAL(name) |
4605 | #include "syscall_types.h" | |
4606 | #undef STRUCT | |
4607 | #undef STRUCT_SPECIAL | |
4608 | ||
31e31b8a FB |
4609 | #define MAX_STRUCT_SIZE 4096 |
4610 | ||
dace20dc | 4611 | #ifdef CONFIG_FIEMAP |
285da2b9 PM |
4612 | /* So fiemap access checks don't overflow on 32 bit systems. |
4613 | * This is very slightly smaller than the limit imposed by | |
4614 | * the underlying kernel. | |
4615 | */ | |
4616 | #define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \ | |
4617 | / sizeof(struct fiemap_extent)) | |
4618 | ||
4619 | static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp, | |
45c874eb | 4620 | int fd, int cmd, abi_long arg) |
285da2b9 PM |
4621 | { |
4622 | /* The parameter for this ioctl is a struct fiemap followed | |
4623 | * by an array of struct fiemap_extent whose size is set | |
4624 | * in fiemap->fm_extent_count. The array is filled in by the | |
4625 | * ioctl. | |
4626 | */ | |
4627 | int target_size_in, target_size_out; | |
4628 | struct fiemap *fm; | |
4629 | const argtype *arg_type = ie->arg_type; | |
4630 | const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) }; | |
4631 | void *argptr, *p; | |
4632 | abi_long ret; | |
4633 | int i, extent_size = thunk_type_size(extent_arg_type, 0); | |
4634 | uint32_t outbufsz; | |
4635 | int free_fm = 0; | |
4636 | ||
4637 | assert(arg_type[0] == TYPE_PTR); | |
4638 | assert(ie->access == IOC_RW); | |
4639 | arg_type++; | |
4640 | target_size_in = thunk_type_size(arg_type, 0); | |
4641 | argptr = lock_user(VERIFY_READ, arg, target_size_in, 1); | |
4642 | if (!argptr) { | |
4643 | return -TARGET_EFAULT; | |
4644 | } | |
4645 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
4646 | unlock_user(argptr, arg, 0); | |
4647 | fm = (struct fiemap *)buf_temp; | |
4648 | if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) { | |
4649 | return -TARGET_EINVAL; | |
4650 | } | |
4651 | ||
4652 | outbufsz = sizeof (*fm) + | |
4653 | (sizeof(struct fiemap_extent) * fm->fm_extent_count); | |
4654 | ||
4655 | if (outbufsz > MAX_STRUCT_SIZE) { | |
4656 | /* We can't fit all the extents into the fixed size buffer. | |
4657 | * Allocate one that is large enough and use it instead. | |
4658 | */ | |
0e173b24 | 4659 | fm = g_try_malloc(outbufsz); |
285da2b9 PM |
4660 | if (!fm) { |
4661 | return -TARGET_ENOMEM; | |
4662 | } | |
4663 | memcpy(fm, buf_temp, sizeof(struct fiemap)); | |
4664 | free_fm = 1; | |
4665 | } | |
49ca6f3e | 4666 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, fm)); |
285da2b9 PM |
4667 | if (!is_error(ret)) { |
4668 | target_size_out = target_size_in; | |
4669 | /* An extent_count of 0 means we were only counting the extents | |
4670 | * so there are no structs to copy | |
4671 | */ | |
4672 | if (fm->fm_extent_count != 0) { | |
4673 | target_size_out += fm->fm_mapped_extents * extent_size; | |
4674 | } | |
4675 | argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0); | |
4676 | if (!argptr) { | |
4677 | ret = -TARGET_EFAULT; | |
4678 | } else { | |
4679 | /* Convert the struct fiemap */ | |
4680 | thunk_convert(argptr, fm, arg_type, THUNK_TARGET); | |
4681 | if (fm->fm_extent_count != 0) { | |
4682 | p = argptr + target_size_in; | |
4683 | /* ...and then all the struct fiemap_extents */ | |
4684 | for (i = 0; i < fm->fm_mapped_extents; i++) { | |
4685 | thunk_convert(p, &fm->fm_extents[i], extent_arg_type, | |
4686 | THUNK_TARGET); | |
4687 | p += extent_size; | |
4688 | } | |
4689 | } | |
4690 | unlock_user(argptr, arg, target_size_out); | |
4691 | } | |
4692 | } | |
4693 | if (free_fm) { | |
0e173b24 | 4694 | g_free(fm); |
285da2b9 PM |
4695 | } |
4696 | return ret; | |
4697 | } | |
dace20dc | 4698 | #endif |
285da2b9 | 4699 | |
059c2f2c | 4700 | static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp, |
45c874eb | 4701 | int fd, int cmd, abi_long arg) |
059c2f2c LV |
4702 | { |
4703 | const argtype *arg_type = ie->arg_type; | |
4704 | int target_size; | |
4705 | void *argptr; | |
4706 | int ret; | |
4707 | struct ifconf *host_ifconf; | |
4708 | uint32_t outbufsz; | |
4709 | const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) }; | |
4df7b7fa | 4710 | const argtype ifreq_max_type[] = { MK_STRUCT(STRUCT_ifmap_ifreq) }; |
059c2f2c LV |
4711 | int target_ifreq_size; |
4712 | int nb_ifreq; | |
4713 | int free_buf = 0; | |
4714 | int i; | |
4715 | int target_ifc_len; | |
4716 | abi_long target_ifc_buf; | |
4717 | int host_ifc_len; | |
4718 | char *host_ifc_buf; | |
4719 | ||
4720 | assert(arg_type[0] == TYPE_PTR); | |
4721 | assert(ie->access == IOC_RW); | |
4722 | ||
4723 | arg_type++; | |
4724 | target_size = thunk_type_size(arg_type, 0); | |
4725 | ||
4726 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
4727 | if (!argptr) | |
4728 | return -TARGET_EFAULT; | |
4729 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
4730 | unlock_user(argptr, arg, 0); | |
4731 | ||
4732 | host_ifconf = (struct ifconf *)(unsigned long)buf_temp; | |
059c2f2c | 4733 | target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf; |
4df7b7fa | 4734 | target_ifreq_size = thunk_type_size(ifreq_max_type, 0); |
059c2f2c | 4735 | |
22e4a267 KL |
4736 | if (target_ifc_buf != 0) { |
4737 | target_ifc_len = host_ifconf->ifc_len; | |
4738 | nb_ifreq = target_ifc_len / target_ifreq_size; | |
4739 | host_ifc_len = nb_ifreq * sizeof(struct ifreq); | |
4740 | ||
4741 | outbufsz = sizeof(*host_ifconf) + host_ifc_len; | |
4742 | if (outbufsz > MAX_STRUCT_SIZE) { | |
4743 | /* | |
4744 | * We can't fit all the extents into the fixed size buffer. | |
4745 | * Allocate one that is large enough and use it instead. | |
4746 | */ | |
7a5626a1 | 4747 | host_ifconf = g_try_malloc(outbufsz); |
22e4a267 KL |
4748 | if (!host_ifconf) { |
4749 | return -TARGET_ENOMEM; | |
4750 | } | |
4751 | memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf)); | |
4752 | free_buf = 1; | |
059c2f2c | 4753 | } |
22e4a267 | 4754 | host_ifc_buf = (char *)host_ifconf + sizeof(*host_ifconf); |
059c2f2c | 4755 | |
22e4a267 KL |
4756 | host_ifconf->ifc_len = host_ifc_len; |
4757 | } else { | |
4758 | host_ifc_buf = NULL; | |
4759 | } | |
059c2f2c LV |
4760 | host_ifconf->ifc_buf = host_ifc_buf; |
4761 | ||
49ca6f3e | 4762 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, host_ifconf)); |
059c2f2c LV |
4763 | if (!is_error(ret)) { |
4764 | /* convert host ifc_len to target ifc_len */ | |
4765 | ||
4766 | nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq); | |
4767 | target_ifc_len = nb_ifreq * target_ifreq_size; | |
4768 | host_ifconf->ifc_len = target_ifc_len; | |
4769 | ||
4770 | /* restore target ifc_buf */ | |
4771 | ||
4772 | host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf; | |
4773 | ||
4774 | /* copy struct ifconf to target user */ | |
4775 | ||
4776 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
4777 | if (!argptr) | |
4778 | return -TARGET_EFAULT; | |
4779 | thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET); | |
4780 | unlock_user(argptr, arg, target_size); | |
4781 | ||
22e4a267 KL |
4782 | if (target_ifc_buf != 0) { |
4783 | /* copy ifreq[] to target user */ | |
4784 | argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0); | |
4785 | for (i = 0; i < nb_ifreq ; i++) { | |
4786 | thunk_convert(argptr + i * target_ifreq_size, | |
4787 | host_ifc_buf + i * sizeof(struct ifreq), | |
4788 | ifreq_arg_type, THUNK_TARGET); | |
4789 | } | |
4790 | unlock_user(argptr, target_ifc_buf, target_ifc_len); | |
059c2f2c | 4791 | } |
059c2f2c LV |
4792 | } |
4793 | ||
4794 | if (free_buf) { | |
7a5626a1 | 4795 | g_free(host_ifconf); |
059c2f2c LV |
4796 | } |
4797 | ||
4798 | return ret; | |
4799 | } | |
4800 | ||
a133367e CT |
4801 | #if defined(CONFIG_USBFS) |
4802 | #if HOST_LONG_BITS > 64 | |
4803 | #error USBDEVFS thunks do not support >64 bit hosts yet. | |
4804 | #endif | |
4805 | struct live_urb { | |
4806 | uint64_t target_urb_adr; | |
4807 | uint64_t target_buf_adr; | |
4808 | char *target_buf_ptr; | |
4809 | struct usbdevfs_urb host_urb; | |
4810 | }; | |
4811 | ||
4812 | static GHashTable *usbdevfs_urb_hashtable(void) | |
4813 | { | |
4814 | static GHashTable *urb_hashtable; | |
4815 | ||
4816 | if (!urb_hashtable) { | |
4817 | urb_hashtable = g_hash_table_new(g_int64_hash, g_int64_equal); | |
4818 | } | |
4819 | return urb_hashtable; | |
4820 | } | |
4821 | ||
4822 | static void urb_hashtable_insert(struct live_urb *urb) | |
4823 | { | |
4824 | GHashTable *urb_hashtable = usbdevfs_urb_hashtable(); | |
4825 | g_hash_table_insert(urb_hashtable, urb, urb); | |
4826 | } | |
4827 | ||
4828 | static struct live_urb *urb_hashtable_lookup(uint64_t target_urb_adr) | |
4829 | { | |
4830 | GHashTable *urb_hashtable = usbdevfs_urb_hashtable(); | |
4831 | return g_hash_table_lookup(urb_hashtable, &target_urb_adr); | |
4832 | } | |
4833 | ||
4834 | static void urb_hashtable_remove(struct live_urb *urb) | |
4835 | { | |
4836 | GHashTable *urb_hashtable = usbdevfs_urb_hashtable(); | |
4837 | g_hash_table_remove(urb_hashtable, urb); | |
4838 | } | |
4839 | ||
4840 | static abi_long | |
4841 | do_ioctl_usbdevfs_reapurb(const IOCTLEntry *ie, uint8_t *buf_temp, | |
4842 | int fd, int cmd, abi_long arg) | |
4843 | { | |
4844 | const argtype usbfsurb_arg_type[] = { MK_STRUCT(STRUCT_usbdevfs_urb) }; | |
4845 | const argtype ptrvoid_arg_type[] = { TYPE_PTRVOID, 0, 0 }; | |
4846 | struct live_urb *lurb; | |
4847 | void *argptr; | |
4848 | uint64_t hurb; | |
4849 | int target_size; | |
4850 | uintptr_t target_urb_adr; | |
4851 | abi_long ret; | |
4852 | ||
4853 | target_size = thunk_type_size(usbfsurb_arg_type, THUNK_TARGET); | |
4854 | ||
4855 | memset(buf_temp, 0, sizeof(uint64_t)); | |
4856 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); | |
4857 | if (is_error(ret)) { | |
4858 | return ret; | |
4859 | } | |
4860 | ||
4861 | memcpy(&hurb, buf_temp, sizeof(uint64_t)); | |
4862 | lurb = (void *)((uintptr_t)hurb - offsetof(struct live_urb, host_urb)); | |
4863 | if (!lurb->target_urb_adr) { | |
4864 | return -TARGET_EFAULT; | |
4865 | } | |
4866 | urb_hashtable_remove(lurb); | |
4867 | unlock_user(lurb->target_buf_ptr, lurb->target_buf_adr, | |
4868 | lurb->host_urb.buffer_length); | |
4869 | lurb->target_buf_ptr = NULL; | |
4870 | ||
4871 | /* restore the guest buffer pointer */ | |
4872 | lurb->host_urb.buffer = (void *)(uintptr_t)lurb->target_buf_adr; | |
4873 | ||
4874 | /* update the guest urb struct */ | |
4875 | argptr = lock_user(VERIFY_WRITE, lurb->target_urb_adr, target_size, 0); | |
4876 | if (!argptr) { | |
4877 | g_free(lurb); | |
4878 | return -TARGET_EFAULT; | |
4879 | } | |
4880 | thunk_convert(argptr, &lurb->host_urb, usbfsurb_arg_type, THUNK_TARGET); | |
4881 | unlock_user(argptr, lurb->target_urb_adr, target_size); | |
4882 | ||
4883 | target_size = thunk_type_size(ptrvoid_arg_type, THUNK_TARGET); | |
4884 | /* write back the urb handle */ | |
4885 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
4886 | if (!argptr) { | |
4887 | g_free(lurb); | |
4888 | return -TARGET_EFAULT; | |
4889 | } | |
4890 | ||
4891 | /* GHashTable uses 64-bit keys but thunk_convert expects uintptr_t */ | |
4892 | target_urb_adr = lurb->target_urb_adr; | |
4893 | thunk_convert(argptr, &target_urb_adr, ptrvoid_arg_type, THUNK_TARGET); | |
4894 | unlock_user(argptr, arg, target_size); | |
4895 | ||
4896 | g_free(lurb); | |
4897 | return ret; | |
4898 | } | |
4899 | ||
4900 | static abi_long | |
4901 | do_ioctl_usbdevfs_discardurb(const IOCTLEntry *ie, | |
4902 | uint8_t *buf_temp __attribute__((unused)), | |
4903 | int fd, int cmd, abi_long arg) | |
4904 | { | |
4905 | struct live_urb *lurb; | |
4906 | ||
4907 | /* map target address back to host URB with metadata. */ | |
4908 | lurb = urb_hashtable_lookup(arg); | |
4909 | if (!lurb) { | |
4910 | return -TARGET_EFAULT; | |
4911 | } | |
4912 | return get_errno(safe_ioctl(fd, ie->host_cmd, &lurb->host_urb)); | |
4913 | } | |
4914 | ||
4915 | static abi_long | |
4916 | do_ioctl_usbdevfs_submiturb(const IOCTLEntry *ie, uint8_t *buf_temp, | |
4917 | int fd, int cmd, abi_long arg) | |
4918 | { | |
4919 | const argtype *arg_type = ie->arg_type; | |
4920 | int target_size; | |
4921 | abi_long ret; | |
4922 | void *argptr; | |
4923 | int rw_dir; | |
4924 | struct live_urb *lurb; | |
4925 | ||
4926 | /* | |
4927 | * each submitted URB needs to map to a unique ID for the | |
4928 | * kernel, and that unique ID needs to be a pointer to | |
4929 | * host memory. hence, we need to malloc for each URB. | |
4930 | * isochronous transfers have a variable length struct. | |
4931 | */ | |
4932 | arg_type++; | |
4933 | target_size = thunk_type_size(arg_type, THUNK_TARGET); | |
4934 | ||
4935 | /* construct host copy of urb and metadata */ | |
b21e2380 | 4936 | lurb = g_try_new0(struct live_urb, 1); |
a133367e CT |
4937 | if (!lurb) { |
4938 | return -TARGET_ENOMEM; | |
4939 | } | |
4940 | ||
4941 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
4942 | if (!argptr) { | |
4943 | g_free(lurb); | |
4944 | return -TARGET_EFAULT; | |
4945 | } | |
4946 | thunk_convert(&lurb->host_urb, argptr, arg_type, THUNK_HOST); | |
4947 | unlock_user(argptr, arg, 0); | |
4948 | ||
4949 | lurb->target_urb_adr = arg; | |
4950 | lurb->target_buf_adr = (uintptr_t)lurb->host_urb.buffer; | |
4951 | ||
4952 | /* buffer space used depends on endpoint type so lock the entire buffer */ | |
4953 | /* control type urbs should check the buffer contents for true direction */ | |
4954 | rw_dir = lurb->host_urb.endpoint & USB_DIR_IN ? VERIFY_WRITE : VERIFY_READ; | |
4955 | lurb->target_buf_ptr = lock_user(rw_dir, lurb->target_buf_adr, | |
4956 | lurb->host_urb.buffer_length, 1); | |
4957 | if (lurb->target_buf_ptr == NULL) { | |
4958 | g_free(lurb); | |
4959 | return -TARGET_EFAULT; | |
4960 | } | |
4961 | ||
4962 | /* update buffer pointer in host copy */ | |
4963 | lurb->host_urb.buffer = lurb->target_buf_ptr; | |
4964 | ||
4965 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, &lurb->host_urb)); | |
4966 | if (is_error(ret)) { | |
4967 | unlock_user(lurb->target_buf_ptr, lurb->target_buf_adr, 0); | |
4968 | g_free(lurb); | |
4969 | } else { | |
4970 | urb_hashtable_insert(lurb); | |
4971 | } | |
4972 | ||
4973 | return ret; | |
4974 | } | |
4975 | #endif /* CONFIG_USBFS */ | |
4976 | ||
56e904ec | 4977 | static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd, |
45c874eb | 4978 | int cmd, abi_long arg) |
56e904ec AG |
4979 | { |
4980 | void *argptr; | |
4981 | struct dm_ioctl *host_dm; | |
4982 | abi_long guest_data; | |
4983 | uint32_t guest_data_size; | |
4984 | int target_size; | |
4985 | const argtype *arg_type = ie->arg_type; | |
4986 | abi_long ret; | |
4987 | void *big_buf = NULL; | |
4988 | char *host_data; | |
4989 | ||
4990 | arg_type++; | |
4991 | target_size = thunk_type_size(arg_type, 0); | |
4992 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
4993 | if (!argptr) { | |
4994 | ret = -TARGET_EFAULT; | |
4995 | goto out; | |
4996 | } | |
4997 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
4998 | unlock_user(argptr, arg, 0); | |
4999 | ||
5000 | /* buf_temp is too small, so fetch things into a bigger buffer */ | |
5001 | big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2); | |
5002 | memcpy(big_buf, buf_temp, target_size); | |
5003 | buf_temp = big_buf; | |
5004 | host_dm = big_buf; | |
5005 | ||
5006 | guest_data = arg + host_dm->data_start; | |
5007 | if ((guest_data - arg) < 0) { | |
f9757b1d | 5008 | ret = -TARGET_EINVAL; |
56e904ec AG |
5009 | goto out; |
5010 | } | |
5011 | guest_data_size = host_dm->data_size - host_dm->data_start; | |
5012 | host_data = (char*)host_dm + host_dm->data_start; | |
5013 | ||
5014 | argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1); | |
3211215e PM |
5015 | if (!argptr) { |
5016 | ret = -TARGET_EFAULT; | |
5017 | goto out; | |
5018 | } | |
5019 | ||
56e904ec AG |
5020 | switch (ie->host_cmd) { |
5021 | case DM_REMOVE_ALL: | |
5022 | case DM_LIST_DEVICES: | |
5023 | case DM_DEV_CREATE: | |
5024 | case DM_DEV_REMOVE: | |
5025 | case DM_DEV_SUSPEND: | |
5026 | case DM_DEV_STATUS: | |
5027 | case DM_DEV_WAIT: | |
5028 | case DM_TABLE_STATUS: | |
5029 | case DM_TABLE_CLEAR: | |
5030 | case DM_TABLE_DEPS: | |
5031 | case DM_LIST_VERSIONS: | |
5032 | /* no input data */ | |
5033 | break; | |
5034 | case DM_DEV_RENAME: | |
5035 | case DM_DEV_SET_GEOMETRY: | |
5036 | /* data contains only strings */ | |
5037 | memcpy(host_data, argptr, guest_data_size); | |
5038 | break; | |
5039 | case DM_TARGET_MSG: | |
5040 | memcpy(host_data, argptr, guest_data_size); | |
5041 | *(uint64_t*)host_data = tswap64(*(uint64_t*)argptr); | |
5042 | break; | |
5043 | case DM_TABLE_LOAD: | |
5044 | { | |
5045 | void *gspec = argptr; | |
5046 | void *cur_data = host_data; | |
eb2929ca LV |
5047 | const argtype dm_arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) }; |
5048 | int spec_size = thunk_type_size(dm_arg_type, 0); | |
56e904ec AG |
5049 | int i; |
5050 | ||
5051 | for (i = 0; i < host_dm->target_count; i++) { | |
5052 | struct dm_target_spec *spec = cur_data; | |
5053 | uint32_t next; | |
5054 | int slen; | |
5055 | ||
eb2929ca | 5056 | thunk_convert(spec, gspec, dm_arg_type, THUNK_HOST); |
56e904ec AG |
5057 | slen = strlen((char*)gspec + spec_size) + 1; |
5058 | next = spec->next; | |
5059 | spec->next = sizeof(*spec) + slen; | |
5060 | strcpy((char*)&spec[1], gspec + spec_size); | |
5061 | gspec += next; | |
5062 | cur_data += spec->next; | |
5063 | } | |
5064 | break; | |
5065 | } | |
5066 | default: | |
5067 | ret = -TARGET_EINVAL; | |
dec0473d | 5068 | unlock_user(argptr, guest_data, 0); |
56e904ec AG |
5069 | goto out; |
5070 | } | |
5071 | unlock_user(argptr, guest_data, 0); | |
5072 | ||
49ca6f3e | 5073 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
56e904ec AG |
5074 | if (!is_error(ret)) { |
5075 | guest_data = arg + host_dm->data_start; | |
5076 | guest_data_size = host_dm->data_size - host_dm->data_start; | |
5077 | argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0); | |
5078 | switch (ie->host_cmd) { | |
5079 | case DM_REMOVE_ALL: | |
5080 | case DM_DEV_CREATE: | |
5081 | case DM_DEV_REMOVE: | |
5082 | case DM_DEV_RENAME: | |
5083 | case DM_DEV_SUSPEND: | |
5084 | case DM_DEV_STATUS: | |
5085 | case DM_TABLE_LOAD: | |
5086 | case DM_TABLE_CLEAR: | |
5087 | case DM_TARGET_MSG: | |
5088 | case DM_DEV_SET_GEOMETRY: | |
5089 | /* no return data */ | |
5090 | break; | |
5091 | case DM_LIST_DEVICES: | |
5092 | { | |
5093 | struct dm_name_list *nl = (void*)host_dm + host_dm->data_start; | |
5094 | uint32_t remaining_data = guest_data_size; | |
5095 | void *cur_data = argptr; | |
eb2929ca | 5096 | const argtype dm_arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) }; |
56e904ec AG |
5097 | int nl_size = 12; /* can't use thunk_size due to alignment */ |
5098 | ||
5099 | while (1) { | |
5100 | uint32_t next = nl->next; | |
5101 | if (next) { | |
5102 | nl->next = nl_size + (strlen(nl->name) + 1); | |
5103 | } | |
5104 | if (remaining_data < nl->next) { | |
5105 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
5106 | break; | |
5107 | } | |
eb2929ca | 5108 | thunk_convert(cur_data, nl, dm_arg_type, THUNK_TARGET); |
56e904ec AG |
5109 | strcpy(cur_data + nl_size, nl->name); |
5110 | cur_data += nl->next; | |
5111 | remaining_data -= nl->next; | |
5112 | if (!next) { | |
5113 | break; | |
5114 | } | |
5115 | nl = (void*)nl + next; | |
5116 | } | |
5117 | break; | |
5118 | } | |
5119 | case DM_DEV_WAIT: | |
5120 | case DM_TABLE_STATUS: | |
5121 | { | |
5122 | struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start; | |
5123 | void *cur_data = argptr; | |
eb2929ca LV |
5124 | const argtype dm_arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) }; |
5125 | int spec_size = thunk_type_size(dm_arg_type, 0); | |
56e904ec AG |
5126 | int i; |
5127 | ||
5128 | for (i = 0; i < host_dm->target_count; i++) { | |
5129 | uint32_t next = spec->next; | |
5130 | int slen = strlen((char*)&spec[1]) + 1; | |
5131 | spec->next = (cur_data - argptr) + spec_size + slen; | |
5132 | if (guest_data_size < spec->next) { | |
5133 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
5134 | break; | |
5135 | } | |
eb2929ca | 5136 | thunk_convert(cur_data, spec, dm_arg_type, THUNK_TARGET); |
56e904ec AG |
5137 | strcpy(cur_data + spec_size, (char*)&spec[1]); |
5138 | cur_data = argptr + spec->next; | |
5139 | spec = (void*)host_dm + host_dm->data_start + next; | |
5140 | } | |
5141 | break; | |
5142 | } | |
5143 | case DM_TABLE_DEPS: | |
5144 | { | |
5145 | void *hdata = (void*)host_dm + host_dm->data_start; | |
5146 | int count = *(uint32_t*)hdata; | |
5147 | uint64_t *hdev = hdata + 8; | |
5148 | uint64_t *gdev = argptr + 8; | |
5149 | int i; | |
5150 | ||
5151 | *(uint32_t*)argptr = tswap32(count); | |
5152 | for (i = 0; i < count; i++) { | |
5153 | *gdev = tswap64(*hdev); | |
5154 | gdev++; | |
5155 | hdev++; | |
5156 | } | |
5157 | break; | |
5158 | } | |
5159 | case DM_LIST_VERSIONS: | |
5160 | { | |
5161 | struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start; | |
5162 | uint32_t remaining_data = guest_data_size; | |
5163 | void *cur_data = argptr; | |
eb2929ca LV |
5164 | const argtype dm_arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) }; |
5165 | int vers_size = thunk_type_size(dm_arg_type, 0); | |
56e904ec AG |
5166 | |
5167 | while (1) { | |
5168 | uint32_t next = vers->next; | |
5169 | if (next) { | |
5170 | vers->next = vers_size + (strlen(vers->name) + 1); | |
5171 | } | |
5172 | if (remaining_data < vers->next) { | |
5173 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
5174 | break; | |
5175 | } | |
eb2929ca | 5176 | thunk_convert(cur_data, vers, dm_arg_type, THUNK_TARGET); |
56e904ec AG |
5177 | strcpy(cur_data + vers_size, vers->name); |
5178 | cur_data += vers->next; | |
5179 | remaining_data -= vers->next; | |
5180 | if (!next) { | |
5181 | break; | |
5182 | } | |
5183 | vers = (void*)vers + next; | |
5184 | } | |
5185 | break; | |
5186 | } | |
5187 | default: | |
dec0473d | 5188 | unlock_user(argptr, guest_data, 0); |
56e904ec AG |
5189 | ret = -TARGET_EINVAL; |
5190 | goto out; | |
5191 | } | |
5192 | unlock_user(argptr, guest_data, guest_data_size); | |
5193 | ||
5194 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
5195 | if (!argptr) { | |
5196 | ret = -TARGET_EFAULT; | |
5197 | goto out; | |
5198 | } | |
5199 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); | |
5200 | unlock_user(argptr, arg, target_size); | |
5201 | } | |
5202 | out: | |
ad11ad77 | 5203 | g_free(big_buf); |
56e904ec AG |
5204 | return ret; |
5205 | } | |
5206 | ||
a59b5e35 | 5207 | static abi_long do_ioctl_blkpg(const IOCTLEntry *ie, uint8_t *buf_temp, int fd, |
45c874eb | 5208 | int cmd, abi_long arg) |
a59b5e35 AG |
5209 | { |
5210 | void *argptr; | |
5211 | int target_size; | |
5212 | const argtype *arg_type = ie->arg_type; | |
5213 | const argtype part_arg_type[] = { MK_STRUCT(STRUCT_blkpg_partition) }; | |
5214 | abi_long ret; | |
5215 | ||
5216 | struct blkpg_ioctl_arg *host_blkpg = (void*)buf_temp; | |
5217 | struct blkpg_partition host_part; | |
5218 | ||
5219 | /* Read and convert blkpg */ | |
5220 | arg_type++; | |
5221 | target_size = thunk_type_size(arg_type, 0); | |
5222 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
5223 | if (!argptr) { | |
5224 | ret = -TARGET_EFAULT; | |
5225 | goto out; | |
5226 | } | |
5227 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
5228 | unlock_user(argptr, arg, 0); | |
5229 | ||
5230 | switch (host_blkpg->op) { | |
5231 | case BLKPG_ADD_PARTITION: | |
5232 | case BLKPG_DEL_PARTITION: | |
5233 | /* payload is struct blkpg_partition */ | |
5234 | break; | |
5235 | default: | |
5236 | /* Unknown opcode */ | |
5237 | ret = -TARGET_EINVAL; | |
5238 | goto out; | |
5239 | } | |
5240 | ||
5241 | /* Read and convert blkpg->data */ | |
5242 | arg = (abi_long)(uintptr_t)host_blkpg->data; | |
5243 | target_size = thunk_type_size(part_arg_type, 0); | |
5244 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
5245 | if (!argptr) { | |
5246 | ret = -TARGET_EFAULT; | |
5247 | goto out; | |
5248 | } | |
5249 | thunk_convert(&host_part, argptr, part_arg_type, THUNK_HOST); | |
5250 | unlock_user(argptr, arg, 0); | |
5251 | ||
5252 | /* Swizzle the data pointer to our local copy and call! */ | |
5253 | host_blkpg->data = &host_part; | |
49ca6f3e | 5254 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, host_blkpg)); |
a59b5e35 AG |
5255 | |
5256 | out: | |
5257 | return ret; | |
5258 | } | |
5259 | ||
7ff7b666 | 5260 | static abi_long do_ioctl_rt(const IOCTLEntry *ie, uint8_t *buf_temp, |
45c874eb | 5261 | int fd, int cmd, abi_long arg) |
7ff7b666 LV |
5262 | { |
5263 | const argtype *arg_type = ie->arg_type; | |
5264 | const StructEntry *se; | |
5265 | const argtype *field_types; | |
5266 | const int *dst_offsets, *src_offsets; | |
5267 | int target_size; | |
5268 | void *argptr; | |
b78c522a MAL |
5269 | abi_ulong *target_rt_dev_ptr = NULL; |
5270 | unsigned long *host_rt_dev_ptr = NULL; | |
7ff7b666 LV |
5271 | abi_long ret; |
5272 | int i; | |
5273 | ||
5274 | assert(ie->access == IOC_W); | |
5275 | assert(*arg_type == TYPE_PTR); | |
5276 | arg_type++; | |
5277 | assert(*arg_type == TYPE_STRUCT); | |
5278 | target_size = thunk_type_size(arg_type, 0); | |
5279 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
5280 | if (!argptr) { | |
5281 | return -TARGET_EFAULT; | |
5282 | } | |
5283 | arg_type++; | |
5284 | assert(*arg_type == (int)STRUCT_rtentry); | |
5285 | se = struct_entries + *arg_type++; | |
5286 | assert(se->convert[0] == NULL); | |
5287 | /* convert struct here to be able to catch rt_dev string */ | |
5288 | field_types = se->field_types; | |
5289 | dst_offsets = se->field_offsets[THUNK_HOST]; | |
5290 | src_offsets = se->field_offsets[THUNK_TARGET]; | |
5291 | for (i = 0; i < se->nb_fields; i++) { | |
5292 | if (dst_offsets[i] == offsetof(struct rtentry, rt_dev)) { | |
5293 | assert(*field_types == TYPE_PTRVOID); | |
3d558330 | 5294 | target_rt_dev_ptr = argptr + src_offsets[i]; |
7ff7b666 LV |
5295 | host_rt_dev_ptr = (unsigned long *)(buf_temp + dst_offsets[i]); |
5296 | if (*target_rt_dev_ptr != 0) { | |
5297 | *host_rt_dev_ptr = (unsigned long)lock_user_string( | |
5298 | tswapal(*target_rt_dev_ptr)); | |
5299 | if (!*host_rt_dev_ptr) { | |
5300 | unlock_user(argptr, arg, 0); | |
5301 | return -TARGET_EFAULT; | |
5302 | } | |
5303 | } else { | |
5304 | *host_rt_dev_ptr = 0; | |
5305 | } | |
5306 | field_types++; | |
5307 | continue; | |
5308 | } | |
5309 | field_types = thunk_convert(buf_temp + dst_offsets[i], | |
5310 | argptr + src_offsets[i], | |
5311 | field_types, THUNK_HOST); | |
5312 | } | |
5313 | unlock_user(argptr, arg, 0); | |
5314 | ||
49ca6f3e | 5315 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
b78c522a MAL |
5316 | |
5317 | assert(host_rt_dev_ptr != NULL); | |
5318 | assert(target_rt_dev_ptr != NULL); | |
7ff7b666 LV |
5319 | if (*host_rt_dev_ptr != 0) { |
5320 | unlock_user((void *)*host_rt_dev_ptr, | |
5321 | *target_rt_dev_ptr, 0); | |
5322 | } | |
5323 | return ret; | |
5324 | } | |
5325 | ||
ca56f5b5 | 5326 | static abi_long do_ioctl_kdsigaccept(const IOCTLEntry *ie, uint8_t *buf_temp, |
45c874eb | 5327 | int fd, int cmd, abi_long arg) |
ca56f5b5 PB |
5328 | { |
5329 | int sig = target_to_host_signal(arg); | |
49ca6f3e | 5330 | return get_errno(safe_ioctl(fd, ie->host_cmd, sig)); |
ca56f5b5 PB |
5331 | } |
5332 | ||
6d5d5dde DB |
5333 | static abi_long do_ioctl_SIOCGSTAMP(const IOCTLEntry *ie, uint8_t *buf_temp, |
5334 | int fd, int cmd, abi_long arg) | |
5335 | { | |
5336 | struct timeval tv; | |
5337 | abi_long ret; | |
5338 | ||
5339 | ret = get_errno(safe_ioctl(fd, SIOCGSTAMP, &tv)); | |
5340 | if (is_error(ret)) { | |
5341 | return ret; | |
5342 | } | |
5343 | ||
5344 | if (cmd == (int)TARGET_SIOCGSTAMP_OLD) { | |
5345 | if (copy_to_user_timeval(arg, &tv)) { | |
5346 | return -TARGET_EFAULT; | |
5347 | } | |
5348 | } else { | |
5349 | if (copy_to_user_timeval64(arg, &tv)) { | |
5350 | return -TARGET_EFAULT; | |
5351 | } | |
5352 | } | |
5353 | ||
5354 | return ret; | |
5355 | } | |
5356 | ||
5357 | static abi_long do_ioctl_SIOCGSTAMPNS(const IOCTLEntry *ie, uint8_t *buf_temp, | |
5358 | int fd, int cmd, abi_long arg) | |
5359 | { | |
5360 | struct timespec ts; | |
5361 | abi_long ret; | |
5362 | ||
5363 | ret = get_errno(safe_ioctl(fd, SIOCGSTAMPNS, &ts)); | |
5364 | if (is_error(ret)) { | |
5365 | return ret; | |
5366 | } | |
5367 | ||
5368 | if (cmd == (int)TARGET_SIOCGSTAMPNS_OLD) { | |
5369 | if (host_to_target_timespec(arg, &ts)) { | |
5370 | return -TARGET_EFAULT; | |
5371 | } | |
5372 | } else{ | |
5373 | if (host_to_target_timespec64(arg, &ts)) { | |
5374 | return -TARGET_EFAULT; | |
5375 | } | |
5376 | } | |
5377 | ||
5378 | return ret; | |
5379 | } | |
5380 | ||
2b74f621 AS |
5381 | #ifdef TIOCGPTPEER |
5382 | static abi_long do_ioctl_tiocgptpeer(const IOCTLEntry *ie, uint8_t *buf_temp, | |
5383 | int fd, int cmd, abi_long arg) | |
5384 | { | |
5385 | int flags = target_to_host_bitmask(arg, fcntl_flags_tbl); | |
5386 | return get_errno(safe_ioctl(fd, ie->host_cmd, flags)); | |
5387 | } | |
5388 | #endif | |
5389 | ||
e865b97f CG |
5390 | #ifdef HAVE_DRM_H |
5391 | ||
5392 | static void unlock_drm_version(struct drm_version *host_ver, | |
5393 | struct target_drm_version *target_ver, | |
5394 | bool copy) | |
5395 | { | |
5396 | unlock_user(host_ver->name, target_ver->name, | |
5397 | copy ? host_ver->name_len : 0); | |
5398 | unlock_user(host_ver->date, target_ver->date, | |
5399 | copy ? host_ver->date_len : 0); | |
5400 | unlock_user(host_ver->desc, target_ver->desc, | |
5401 | copy ? host_ver->desc_len : 0); | |
5402 | } | |
5403 | ||
5404 | static inline abi_long target_to_host_drmversion(struct drm_version *host_ver, | |
5405 | struct target_drm_version *target_ver) | |
5406 | { | |
5407 | memset(host_ver, 0, sizeof(*host_ver)); | |
5408 | ||
5409 | __get_user(host_ver->name_len, &target_ver->name_len); | |
5410 | if (host_ver->name_len) { | |
5411 | host_ver->name = lock_user(VERIFY_WRITE, target_ver->name, | |
5412 | target_ver->name_len, 0); | |
5413 | if (!host_ver->name) { | |
5414 | return -EFAULT; | |
5415 | } | |
5416 | } | |
5417 | ||
5418 | __get_user(host_ver->date_len, &target_ver->date_len); | |
5419 | if (host_ver->date_len) { | |
5420 | host_ver->date = lock_user(VERIFY_WRITE, target_ver->date, | |
5421 | target_ver->date_len, 0); | |
5422 | if (!host_ver->date) { | |
5423 | goto err; | |
5424 | } | |
5425 | } | |
5426 | ||
5427 | __get_user(host_ver->desc_len, &target_ver->desc_len); | |
5428 | if (host_ver->desc_len) { | |
5429 | host_ver->desc = lock_user(VERIFY_WRITE, target_ver->desc, | |
5430 | target_ver->desc_len, 0); | |
5431 | if (!host_ver->desc) { | |
5432 | goto err; | |
5433 | } | |
5434 | } | |
5435 | ||
5436 | return 0; | |
5437 | err: | |
5438 | unlock_drm_version(host_ver, target_ver, false); | |
5439 | return -EFAULT; | |
5440 | } | |
5441 | ||
5442 | static inline void host_to_target_drmversion( | |
5443 | struct target_drm_version *target_ver, | |
5444 | struct drm_version *host_ver) | |
5445 | { | |
5446 | __put_user(host_ver->version_major, &target_ver->version_major); | |
5447 | __put_user(host_ver->version_minor, &target_ver->version_minor); | |
5448 | __put_user(host_ver->version_patchlevel, &target_ver->version_patchlevel); | |
5449 | __put_user(host_ver->name_len, &target_ver->name_len); | |
5450 | __put_user(host_ver->date_len, &target_ver->date_len); | |
5451 | __put_user(host_ver->desc_len, &target_ver->desc_len); | |
5452 | unlock_drm_version(host_ver, target_ver, true); | |
5453 | } | |
5454 | ||
5455 | static abi_long do_ioctl_drm(const IOCTLEntry *ie, uint8_t *buf_temp, | |
5456 | int fd, int cmd, abi_long arg) | |
5457 | { | |
5458 | struct drm_version *ver; | |
5459 | struct target_drm_version *target_ver; | |
5460 | abi_long ret; | |
5461 | ||
5462 | switch (ie->host_cmd) { | |
5463 | case DRM_IOCTL_VERSION: | |
5464 | if (!lock_user_struct(VERIFY_WRITE, target_ver, arg, 0)) { | |
5465 | return -TARGET_EFAULT; | |
5466 | } | |
5467 | ver = (struct drm_version *)buf_temp; | |
5468 | ret = target_to_host_drmversion(ver, target_ver); | |
5469 | if (!is_error(ret)) { | |
5470 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, ver)); | |
5471 | if (is_error(ret)) { | |
5472 | unlock_drm_version(ver, target_ver, false); | |
5473 | } else { | |
5474 | host_to_target_drmversion(target_ver, ver); | |
5475 | } | |
5476 | } | |
5477 | unlock_user_struct(target_ver, arg, 0); | |
5478 | return ret; | |
5479 | } | |
5480 | return -TARGET_ENOSYS; | |
5481 | } | |
5482 | ||
913b03c2 CG |
5483 | static abi_long do_ioctl_drm_i915_getparam(const IOCTLEntry *ie, |
5484 | struct drm_i915_getparam *gparam, | |
5485 | int fd, abi_long arg) | |
5486 | { | |
5487 | abi_long ret; | |
5488 | int value; | |
5489 | struct target_drm_i915_getparam *target_gparam; | |
5490 | ||
5491 | if (!lock_user_struct(VERIFY_READ, target_gparam, arg, 0)) { | |
5492 | return -TARGET_EFAULT; | |
5493 | } | |
5494 | ||
5495 | __get_user(gparam->param, &target_gparam->param); | |
5496 | gparam->value = &value; | |
5497 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, gparam)); | |
5498 | put_user_s32(value, target_gparam->value); | |
5499 | ||
5500 | unlock_user_struct(target_gparam, arg, 0); | |
5501 | return ret; | |
5502 | } | |
5503 | ||
5504 | static abi_long do_ioctl_drm_i915(const IOCTLEntry *ie, uint8_t *buf_temp, | |
5505 | int fd, int cmd, abi_long arg) | |
5506 | { | |
5507 | switch (ie->host_cmd) { | |
5508 | case DRM_IOCTL_I915_GETPARAM: | |
5509 | return do_ioctl_drm_i915_getparam(ie, | |
5510 | (struct drm_i915_getparam *)buf_temp, | |
5511 | fd, arg); | |
5512 | default: | |
5513 | return -TARGET_ENOSYS; | |
5514 | } | |
5515 | } | |
5516 | ||
e865b97f CG |
5517 | #endif |
5518 | ||
6addf06a SCW |
5519 | static abi_long do_ioctl_TUNSETTXFILTER(const IOCTLEntry *ie, uint8_t *buf_temp, |
5520 | int fd, int cmd, abi_long arg) | |
5521 | { | |
5522 | struct tun_filter *filter = (struct tun_filter *)buf_temp; | |
5523 | struct tun_filter *target_filter; | |
5524 | char *target_addr; | |
5525 | ||
5526 | assert(ie->access == IOC_W); | |
5527 | ||
5528 | target_filter = lock_user(VERIFY_READ, arg, sizeof(*target_filter), 1); | |
5529 | if (!target_filter) { | |
5530 | return -TARGET_EFAULT; | |
5531 | } | |
5532 | filter->flags = tswap16(target_filter->flags); | |
5533 | filter->count = tswap16(target_filter->count); | |
5534 | unlock_user(target_filter, arg, 0); | |
5535 | ||
5536 | if (filter->count) { | |
5537 | if (offsetof(struct tun_filter, addr) + filter->count * ETH_ALEN > | |
5538 | MAX_STRUCT_SIZE) { | |
5539 | return -TARGET_EFAULT; | |
5540 | } | |
5541 | ||
5542 | target_addr = lock_user(VERIFY_READ, | |
5543 | arg + offsetof(struct tun_filter, addr), | |
5544 | filter->count * ETH_ALEN, 1); | |
5545 | if (!target_addr) { | |
5546 | return -TARGET_EFAULT; | |
5547 | } | |
5548 | memcpy(filter->addr, target_addr, filter->count * ETH_ALEN); | |
5549 | unlock_user(target_addr, arg + offsetof(struct tun_filter, addr), 0); | |
5550 | } | |
5551 | ||
5552 | return get_errno(safe_ioctl(fd, ie->host_cmd, filter)); | |
5553 | } | |
5554 | ||
79482e59 | 5555 | IOCTLEntry ioctl_entries[] = { |
001faf32 | 5556 | #define IOCTL(cmd, access, ...) \ |
d2ef05bb PM |
5557 | { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } }, |
5558 | #define IOCTL_SPECIAL(cmd, access, dofn, ...) \ | |
5559 | { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } }, | |
8cb762fe HD |
5560 | #define IOCTL_IGNORE(cmd) \ |
5561 | { TARGET_ ## cmd, 0, #cmd }, | |
31e31b8a FB |
5562 | #include "ioctls.h" |
5563 | { 0, 0, }, | |
5564 | }; | |
5565 | ||
53a5960a | 5566 | /* ??? Implement proper locking for ioctls. */ |
0da46a6e | 5567 | /* do_ioctl() Must return target values and target errnos. */ |
45c874eb | 5568 | static abi_long do_ioctl(int fd, int cmd, abi_long arg) |
31e31b8a FB |
5569 | { |
5570 | const IOCTLEntry *ie; | |
5571 | const argtype *arg_type; | |
992f48a0 | 5572 | abi_long ret; |
31e31b8a | 5573 | uint8_t buf_temp[MAX_STRUCT_SIZE]; |
53a5960a PB |
5574 | int target_size; |
5575 | void *argptr; | |
31e31b8a FB |
5576 | |
5577 | ie = ioctl_entries; | |
5578 | for(;;) { | |
5579 | if (ie->target_cmd == 0) { | |
39be5350 JK |
5580 | qemu_log_mask( |
5581 | LOG_UNIMP, "Unsupported ioctl: cmd=0x%04lx\n", (long)cmd); | |
59d11727 | 5582 | return -TARGET_ENOTTY; |
31e31b8a FB |
5583 | } |
5584 | if (ie->target_cmd == cmd) | |
5585 | break; | |
5586 | ie++; | |
5587 | } | |
5588 | arg_type = ie->arg_type; | |
d2ef05bb PM |
5589 | if (ie->do_ioctl) { |
5590 | return ie->do_ioctl(ie, buf_temp, fd, cmd, arg); | |
8cb762fe HD |
5591 | } else if (!ie->host_cmd) { |
5592 | /* Some architectures define BSD ioctls in their headers | |
5593 | that are not implemented in Linux. */ | |
59d11727 | 5594 | return -TARGET_ENOTTY; |
d2ef05bb PM |
5595 | } |
5596 | ||
31e31b8a FB |
5597 | switch(arg_type[0]) { |
5598 | case TYPE_NULL: | |
5599 | /* no argument */ | |
49ca6f3e | 5600 | ret = get_errno(safe_ioctl(fd, ie->host_cmd)); |
31e31b8a FB |
5601 | break; |
5602 | case TYPE_PTRVOID: | |
5603 | case TYPE_INT: | |
c858e537 FB |
5604 | case TYPE_LONG: |
5605 | case TYPE_ULONG: | |
49ca6f3e | 5606 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, arg)); |
31e31b8a FB |
5607 | break; |
5608 | case TYPE_PTR: | |
5609 | arg_type++; | |
53a5960a | 5610 | target_size = thunk_type_size(arg_type, 0); |
31e31b8a FB |
5611 | switch(ie->access) { |
5612 | case IOC_R: | |
49ca6f3e | 5613 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
31e31b8a | 5614 | if (!is_error(ret)) { |
579a97f7 FB |
5615 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); |
5616 | if (!argptr) | |
5617 | return -TARGET_EFAULT; | |
53a5960a PB |
5618 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
5619 | unlock_user(argptr, arg, target_size); | |
31e31b8a FB |
5620 | } |
5621 | break; | |
5622 | case IOC_W: | |
579a97f7 FB |
5623 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); |
5624 | if (!argptr) | |
5625 | return -TARGET_EFAULT; | |
53a5960a PB |
5626 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
5627 | unlock_user(argptr, arg, 0); | |
49ca6f3e | 5628 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
31e31b8a FB |
5629 | break; |
5630 | default: | |
5631 | case IOC_RW: | |
579a97f7 FB |
5632 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); |
5633 | if (!argptr) | |
5634 | return -TARGET_EFAULT; | |
53a5960a PB |
5635 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
5636 | unlock_user(argptr, arg, 0); | |
49ca6f3e | 5637 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
31e31b8a | 5638 | if (!is_error(ret)) { |
579a97f7 FB |
5639 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); |
5640 | if (!argptr) | |
5641 | return -TARGET_EFAULT; | |
53a5960a PB |
5642 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
5643 | unlock_user(argptr, arg, target_size); | |
31e31b8a FB |
5644 | } |
5645 | break; | |
5646 | } | |
5647 | break; | |
5648 | default: | |
39be5350 JK |
5649 | qemu_log_mask(LOG_UNIMP, |
5650 | "Unsupported ioctl type: cmd=0x%04lx type=%d\n", | |
5651 | (long)cmd, arg_type[0]); | |
59d11727 | 5652 | ret = -TARGET_ENOTTY; |
31e31b8a FB |
5653 | break; |
5654 | } | |
5655 | return ret; | |
5656 | } | |
5657 | ||
b39bc503 | 5658 | static const bitmask_transtbl iflag_tbl[] = { |
31e31b8a FB |
5659 | { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, |
5660 | { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, | |
5661 | { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, | |
5662 | { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, | |
5663 | { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, | |
5664 | { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, | |
5665 | { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, | |
5666 | { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, | |
5667 | { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, | |
5668 | { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, | |
5669 | { TARGET_IXON, TARGET_IXON, IXON, IXON }, | |
5670 | { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, | |
5671 | { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, | |
5672 | { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, | |
c218b4ed | 5673 | { TARGET_IUTF8, TARGET_IUTF8, IUTF8, IUTF8}, |
31e31b8a FB |
5674 | }; |
5675 | ||
b39bc503 | 5676 | static const bitmask_transtbl oflag_tbl[] = { |
31e31b8a FB |
5677 | { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, |
5678 | { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, | |
5679 | { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, | |
5680 | { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, | |
5681 | { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, | |
5682 | { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, | |
5683 | { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, | |
5684 | { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, | |
5685 | { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, | |
5686 | { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, | |
5687 | { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, | |
5688 | { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, | |
5689 | { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, | |
5690 | { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, | |
5691 | { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, | |
5692 | { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, | |
5693 | { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, | |
5694 | { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, | |
5695 | { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, | |
5696 | { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, | |
5697 | { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, | |
5698 | { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, | |
5699 | { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, | |
5700 | { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, | |
31e31b8a FB |
5701 | }; |
5702 | ||
b39bc503 | 5703 | static const bitmask_transtbl cflag_tbl[] = { |
31e31b8a FB |
5704 | { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, |
5705 | { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, | |
5706 | { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, | |
5707 | { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, | |
5708 | { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, | |
5709 | { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, | |
5710 | { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, | |
5711 | { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, | |
5712 | { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, | |
5713 | { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, | |
5714 | { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, | |
5715 | { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, | |
5716 | { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, | |
5717 | { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, | |
5718 | { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, | |
5719 | { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, | |
5720 | { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, | |
5721 | { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, | |
5722 | { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, | |
5723 | { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, | |
5724 | { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, | |
5725 | { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, | |
5726 | { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, | |
5727 | { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, | |
5728 | { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, | |
5729 | { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, | |
5730 | { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, | |
5731 | { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, | |
5732 | { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, | |
5733 | { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, | |
5734 | { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, | |
31e31b8a FB |
5735 | }; |
5736 | ||
b39bc503 | 5737 | static const bitmask_transtbl lflag_tbl[] = { |
c218b4ed FB |
5738 | { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, |
5739 | { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, | |
5740 | { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, | |
5741 | { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, | |
5742 | { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, | |
5743 | { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, | |
5744 | { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, | |
5745 | { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, | |
5746 | { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, | |
5747 | { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, | |
5748 | { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, | |
5749 | { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, | |
5750 | { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, | |
5751 | { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, | |
5752 | { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, | |
5753 | { TARGET_EXTPROC, TARGET_EXTPROC, EXTPROC, EXTPROC}, | |
31e31b8a FB |
5754 | }; |
5755 | ||
5756 | static void target_to_host_termios (void *dst, const void *src) | |
5757 | { | |
5758 | struct host_termios *host = dst; | |
5759 | const struct target_termios *target = src; | |
3b46e624 | 5760 | |
5fafdf24 | 5761 | host->c_iflag = |
31e31b8a | 5762 | target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); |
5fafdf24 | 5763 | host->c_oflag = |
31e31b8a | 5764 | target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); |
5fafdf24 | 5765 | host->c_cflag = |
31e31b8a | 5766 | target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); |
5fafdf24 | 5767 | host->c_lflag = |
31e31b8a FB |
5768 | target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); |
5769 | host->c_line = target->c_line; | |
3b46e624 | 5770 | |
44607123 | 5771 | memset(host->c_cc, 0, sizeof(host->c_cc)); |
5fafdf24 TS |
5772 | host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; |
5773 | host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; | |
3b46e624 | 5774 | host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; |
5fafdf24 | 5775 | host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; |
3b46e624 | 5776 | host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; |
5fafdf24 | 5777 | host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; |
3b46e624 | 5778 | host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; |
5fafdf24 | 5779 | host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; |
3b46e624 | 5780 | host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; |
5fafdf24 TS |
5781 | host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; |
5782 | host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; | |
3b46e624 TS |
5783 | host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; |
5784 | host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; | |
5785 | host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; | |
5786 | host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; | |
5787 | host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; | |
5fafdf24 | 5788 | host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; |
31e31b8a | 5789 | } |
3b46e624 | 5790 | |
31e31b8a FB |
5791 | static void host_to_target_termios (void *dst, const void *src) |
5792 | { | |
5793 | struct target_termios *target = dst; | |
5794 | const struct host_termios *host = src; | |
5795 | ||
5fafdf24 | 5796 | target->c_iflag = |
31e31b8a | 5797 | tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); |
5fafdf24 | 5798 | target->c_oflag = |
31e31b8a | 5799 | tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); |
5fafdf24 | 5800 | target->c_cflag = |
31e31b8a | 5801 | tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); |
5fafdf24 | 5802 | target->c_lflag = |
31e31b8a FB |
5803 | tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); |
5804 | target->c_line = host->c_line; | |
3b46e624 | 5805 | |
44607123 | 5806 | memset(target->c_cc, 0, sizeof(target->c_cc)); |
31e31b8a FB |
5807 | target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; |
5808 | target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; | |
5809 | target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; | |
5810 | target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; | |
5811 | target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; | |
5812 | target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; | |
5813 | target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; | |
5814 | target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; | |
5815 | target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; | |
5816 | target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; | |
5817 | target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; | |
5818 | target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; | |
5819 | target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; | |
5820 | target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; | |
5821 | target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; | |
5822 | target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; | |
5823 | target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; | |
5824 | } | |
5825 | ||
8e853dc7 | 5826 | static const StructEntry struct_termios_def = { |
31e31b8a FB |
5827 | .convert = { host_to_target_termios, target_to_host_termios }, |
5828 | .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, | |
5829 | .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, | |
888468db | 5830 | .print = print_termios, |
31e31b8a FB |
5831 | }; |
5832 | ||
4b840f96 RH |
5833 | /* If the host does not provide these bits, they may be safely discarded. */ |
5834 | #ifndef MAP_SYNC | |
5835 | #define MAP_SYNC 0 | |
5836 | #endif | |
5837 | #ifndef MAP_UNINITIALIZED | |
5838 | #define MAP_UNINITIALIZED 0 | |
5839 | #endif | |
5840 | ||
180d4ef3 | 5841 | static const bitmask_transtbl mmap_flags_tbl[] = { |
541e1690 HD |
5842 | { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED }, |
5843 | { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, | |
5844 | MAP_ANONYMOUS, MAP_ANONYMOUS }, | |
5845 | { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, | |
5846 | MAP_GROWSDOWN, MAP_GROWSDOWN }, | |
5847 | { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, | |
5848 | MAP_DENYWRITE, MAP_DENYWRITE }, | |
5849 | { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, | |
5850 | MAP_EXECUTABLE, MAP_EXECUTABLE }, | |
5851 | { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED }, | |
5852 | { TARGET_MAP_NORESERVE, TARGET_MAP_NORESERVE, | |
5853 | MAP_NORESERVE, MAP_NORESERVE }, | |
5854 | { TARGET_MAP_HUGETLB, TARGET_MAP_HUGETLB, MAP_HUGETLB, MAP_HUGETLB }, | |
5855 | /* MAP_STACK had been ignored by the kernel for quite some time. | |
5856 | Recognize it for the target insofar as we do not want to pass | |
5857 | it through to the host. */ | |
5858 | { TARGET_MAP_STACK, TARGET_MAP_STACK, 0, 0 }, | |
4b840f96 RH |
5859 | { TARGET_MAP_NONBLOCK, TARGET_MAP_NONBLOCK, MAP_NONBLOCK, MAP_NONBLOCK }, |
5860 | { TARGET_MAP_POPULATE, TARGET_MAP_POPULATE, MAP_POPULATE, MAP_POPULATE }, | |
5861 | { TARGET_MAP_FIXED_NOREPLACE, TARGET_MAP_FIXED_NOREPLACE, | |
5862 | MAP_FIXED_NOREPLACE, MAP_FIXED_NOREPLACE }, | |
5863 | { TARGET_MAP_UNINITIALIZED, TARGET_MAP_UNINITIALIZED, | |
5864 | MAP_UNINITIALIZED, MAP_UNINITIALIZED }, | |
5286db75 FB |
5865 | }; |
5866 | ||
9ab8d071 RH |
5867 | /* |
5868 | * Arrange for legacy / undefined architecture specific flags to be | |
5869 | * ignored by mmap handling code. | |
5870 | */ | |
5871 | #ifndef TARGET_MAP_32BIT | |
5872 | #define TARGET_MAP_32BIT 0 | |
5873 | #endif | |
5874 | #ifndef TARGET_MAP_HUGE_2MB | |
5875 | #define TARGET_MAP_HUGE_2MB 0 | |
5876 | #endif | |
5877 | #ifndef TARGET_MAP_HUGE_1GB | |
5878 | #define TARGET_MAP_HUGE_1GB 0 | |
5879 | #endif | |
5880 | ||
5881 | static abi_long do_mmap(abi_ulong addr, abi_ulong len, int prot, | |
5882 | int target_flags, int fd, off_t offset) | |
5883 | { | |
5884 | /* | |
5885 | * The historical set of flags that all mmap types implicitly support. | |
5886 | */ | |
5887 | enum { | |
5888 | TARGET_LEGACY_MAP_MASK = TARGET_MAP_SHARED | |
5889 | | TARGET_MAP_PRIVATE | |
5890 | | TARGET_MAP_FIXED | |
5891 | | TARGET_MAP_ANONYMOUS | |
5892 | | TARGET_MAP_DENYWRITE | |
5893 | | TARGET_MAP_EXECUTABLE | |
5894 | | TARGET_MAP_UNINITIALIZED | |
5895 | | TARGET_MAP_GROWSDOWN | |
5896 | | TARGET_MAP_LOCKED | |
5897 | | TARGET_MAP_NORESERVE | |
5898 | | TARGET_MAP_POPULATE | |
5899 | | TARGET_MAP_NONBLOCK | |
5900 | | TARGET_MAP_STACK | |
5901 | | TARGET_MAP_HUGETLB | |
5902 | | TARGET_MAP_32BIT | |
5903 | | TARGET_MAP_HUGE_2MB | |
5904 | | TARGET_MAP_HUGE_1GB | |
5905 | }; | |
5906 | int host_flags; | |
5907 | ||
5908 | switch (target_flags & TARGET_MAP_TYPE) { | |
5909 | case TARGET_MAP_PRIVATE: | |
5910 | host_flags = MAP_PRIVATE; | |
5911 | break; | |
5912 | case TARGET_MAP_SHARED: | |
5913 | host_flags = MAP_SHARED; | |
5914 | break; | |
5915 | case TARGET_MAP_SHARED_VALIDATE: | |
5916 | /* | |
5917 | * MAP_SYNC is only supported for MAP_SHARED_VALIDATE, and is | |
5918 | * therefore omitted from mmap_flags_tbl and TARGET_LEGACY_MAP_MASK. | |
5919 | */ | |
5920 | if (target_flags & ~(TARGET_LEGACY_MAP_MASK | TARGET_MAP_SYNC)) { | |
5921 | return -TARGET_EOPNOTSUPP; | |
5922 | } | |
5923 | host_flags = MAP_SHARED_VALIDATE; | |
5924 | if (target_flags & TARGET_MAP_SYNC) { | |
5925 | host_flags |= MAP_SYNC; | |
5926 | } | |
5927 | break; | |
5928 | default: | |
5929 | return -TARGET_EINVAL; | |
5930 | } | |
5931 | host_flags |= target_to_host_bitmask(target_flags, mmap_flags_tbl); | |
5932 | ||
5933 | return get_errno(target_mmap(addr, len, prot, host_flags, fd, offset)); | |
5934 | } | |
5935 | ||
9d12f79d LV |
5936 | /* |
5937 | * NOTE: TARGET_ABI32 is defined for TARGET_I386 (but not for TARGET_X86_64) | |
5938 | * TARGET_I386 is defined if TARGET_X86_64 is defined | |
5939 | */ | |
2ab83ea7 | 5940 | #if defined(TARGET_I386) |
6dbad63e FB |
5941 | |
5942 | /* NOTE: there is really one LDT for all the threads */ | |
b1d8e52e | 5943 | static uint8_t *ldt_table; |
6dbad63e | 5944 | |
03acab66 | 5945 | static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount) |
6dbad63e FB |
5946 | { |
5947 | int size; | |
53a5960a | 5948 | void *p; |
6dbad63e FB |
5949 | |
5950 | if (!ldt_table) | |
5951 | return 0; | |
5952 | size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; | |
5953 | if (size > bytecount) | |
5954 | size = bytecount; | |
579a97f7 FB |
5955 | p = lock_user(VERIFY_WRITE, ptr, size, 0); |
5956 | if (!p) | |
03acab66 | 5957 | return -TARGET_EFAULT; |
579a97f7 | 5958 | /* ??? Should this by byteswapped? */ |
53a5960a PB |
5959 | memcpy(p, ldt_table, size); |
5960 | unlock_user(p, ptr, size); | |
6dbad63e FB |
5961 | return size; |
5962 | } | |
5963 | ||
5964 | /* XXX: add locking support */ | |
03acab66 FB |
5965 | static abi_long write_ldt(CPUX86State *env, |
5966 | abi_ulong ptr, unsigned long bytecount, int oldmode) | |
6dbad63e FB |
5967 | { |
5968 | struct target_modify_ldt_ldt_s ldt_info; | |
53a5960a | 5969 | struct target_modify_ldt_ldt_s *target_ldt_info; |
6dbad63e | 5970 | int seg_32bit, contents, read_exec_only, limit_in_pages; |
8d18e893 | 5971 | int seg_not_present, useable, lm; |
6dbad63e FB |
5972 | uint32_t *lp, entry_1, entry_2; |
5973 | ||
5974 | if (bytecount != sizeof(ldt_info)) | |
03acab66 | 5975 | return -TARGET_EINVAL; |
579a97f7 | 5976 | if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1)) |
03acab66 | 5977 | return -TARGET_EFAULT; |
53a5960a | 5978 | ldt_info.entry_number = tswap32(target_ldt_info->entry_number); |
cbb21eed | 5979 | ldt_info.base_addr = tswapal(target_ldt_info->base_addr); |
53a5960a PB |
5980 | ldt_info.limit = tswap32(target_ldt_info->limit); |
5981 | ldt_info.flags = tswap32(target_ldt_info->flags); | |
5982 | unlock_user_struct(target_ldt_info, ptr, 0); | |
3b46e624 | 5983 | |
6dbad63e | 5984 | if (ldt_info.entry_number >= TARGET_LDT_ENTRIES) |
03acab66 | 5985 | return -TARGET_EINVAL; |
6dbad63e FB |
5986 | seg_32bit = ldt_info.flags & 1; |
5987 | contents = (ldt_info.flags >> 1) & 3; | |
5988 | read_exec_only = (ldt_info.flags >> 3) & 1; | |
5989 | limit_in_pages = (ldt_info.flags >> 4) & 1; | |
5990 | seg_not_present = (ldt_info.flags >> 5) & 1; | |
5991 | useable = (ldt_info.flags >> 6) & 1; | |
8d18e893 FB |
5992 | #ifdef TARGET_ABI32 |
5993 | lm = 0; | |
5994 | #else | |
5995 | lm = (ldt_info.flags >> 7) & 1; | |
5996 | #endif | |
6dbad63e FB |
5997 | if (contents == 3) { |
5998 | if (oldmode) | |
03acab66 | 5999 | return -TARGET_EINVAL; |
6dbad63e | 6000 | if (seg_not_present == 0) |
03acab66 | 6001 | return -TARGET_EINVAL; |
6dbad63e FB |
6002 | } |
6003 | /* allocate the LDT */ | |
6004 | if (!ldt_table) { | |
e441570f AZ |
6005 | env->ldt.base = target_mmap(0, |
6006 | TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE, | |
6007 | PROT_READ|PROT_WRITE, | |
6008 | MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); | |
6009 | if (env->ldt.base == -1) | |
03acab66 | 6010 | return -TARGET_ENOMEM; |
3e8f1628 | 6011 | memset(g2h_untagged(env->ldt.base), 0, |
e441570f | 6012 | TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); |
6dbad63e | 6013 | env->ldt.limit = 0xffff; |
3e8f1628 | 6014 | ldt_table = g2h_untagged(env->ldt.base); |
6dbad63e FB |
6015 | } |
6016 | ||
6017 | /* NOTE: same code as Linux kernel */ | |
6018 | /* Allow LDTs to be cleared by the user. */ | |
6019 | if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { | |
6020 | if (oldmode || | |
6021 | (contents == 0 && | |
6022 | read_exec_only == 1 && | |
6023 | seg_32bit == 0 && | |
6024 | limit_in_pages == 0 && | |
6025 | seg_not_present == 1 && | |
6026 | useable == 0 )) { | |
6027 | entry_1 = 0; | |
6028 | entry_2 = 0; | |
6029 | goto install; | |
6030 | } | |
6031 | } | |
3b46e624 | 6032 | |
6dbad63e FB |
6033 | entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | |
6034 | (ldt_info.limit & 0x0ffff); | |
6035 | entry_2 = (ldt_info.base_addr & 0xff000000) | | |
6036 | ((ldt_info.base_addr & 0x00ff0000) >> 16) | | |
6037 | (ldt_info.limit & 0xf0000) | | |
6038 | ((read_exec_only ^ 1) << 9) | | |
6039 | (contents << 10) | | |
6040 | ((seg_not_present ^ 1) << 15) | | |
6041 | (seg_32bit << 22) | | |
6042 | (limit_in_pages << 23) | | |
8d18e893 | 6043 | (lm << 21) | |
6dbad63e FB |
6044 | 0x7000; |
6045 | if (!oldmode) | |
6046 | entry_2 |= (useable << 20); | |
14ae3ba7 | 6047 | |
6dbad63e FB |
6048 | /* Install the new entry ... */ |
6049 | install: | |
6050 | lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3)); | |
6051 | lp[0] = tswap32(entry_1); | |
6052 | lp[1] = tswap32(entry_2); | |
6053 | return 0; | |
6054 | } | |
6055 | ||
6056 | /* specific and weird i386 syscalls */ | |
8fcd3692 BS |
6057 | static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr, |
6058 | unsigned long bytecount) | |
6dbad63e | 6059 | { |
03acab66 | 6060 | abi_long ret; |
3b46e624 | 6061 | |
6dbad63e FB |
6062 | switch (func) { |
6063 | case 0: | |
6064 | ret = read_ldt(ptr, bytecount); | |
6065 | break; | |
6066 | case 1: | |
6067 | ret = write_ldt(env, ptr, bytecount, 1); | |
6068 | break; | |
6069 | case 0x11: | |
6070 | ret = write_ldt(env, ptr, bytecount, 0); | |
6071 | break; | |
03acab66 FB |
6072 | default: |
6073 | ret = -TARGET_ENOSYS; | |
6074 | break; | |
6dbad63e FB |
6075 | } |
6076 | return ret; | |
6077 | } | |
1b6b029e | 6078 | |
9d12f79d | 6079 | #if defined(TARGET_ABI32) |
bc22eb44 | 6080 | abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr) |
8d18e893 | 6081 | { |
3e8f1628 | 6082 | uint64_t *gdt_table = g2h_untagged(env->gdt.base); |
8d18e893 FB |
6083 | struct target_modify_ldt_ldt_s ldt_info; |
6084 | struct target_modify_ldt_ldt_s *target_ldt_info; | |
6085 | int seg_32bit, contents, read_exec_only, limit_in_pages; | |
6086 | int seg_not_present, useable, lm; | |
6087 | uint32_t *lp, entry_1, entry_2; | |
6088 | int i; | |
6089 | ||
6090 | lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); | |
6091 | if (!target_ldt_info) | |
6092 | return -TARGET_EFAULT; | |
6093 | ldt_info.entry_number = tswap32(target_ldt_info->entry_number); | |
cbb21eed | 6094 | ldt_info.base_addr = tswapal(target_ldt_info->base_addr); |
8d18e893 FB |
6095 | ldt_info.limit = tswap32(target_ldt_info->limit); |
6096 | ldt_info.flags = tswap32(target_ldt_info->flags); | |
6097 | if (ldt_info.entry_number == -1) { | |
6098 | for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) { | |
6099 | if (gdt_table[i] == 0) { | |
6100 | ldt_info.entry_number = i; | |
6101 | target_ldt_info->entry_number = tswap32(i); | |
6102 | break; | |
6103 | } | |
6104 | } | |
6105 | } | |
6106 | unlock_user_struct(target_ldt_info, ptr, 1); | |
6107 | ||
6108 | if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN || | |
6109 | ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX) | |
6110 | return -TARGET_EINVAL; | |
6111 | seg_32bit = ldt_info.flags & 1; | |
6112 | contents = (ldt_info.flags >> 1) & 3; | |
6113 | read_exec_only = (ldt_info.flags >> 3) & 1; | |
6114 | limit_in_pages = (ldt_info.flags >> 4) & 1; | |
6115 | seg_not_present = (ldt_info.flags >> 5) & 1; | |
6116 | useable = (ldt_info.flags >> 6) & 1; | |
6117 | #ifdef TARGET_ABI32 | |
6118 | lm = 0; | |
6119 | #else | |
6120 | lm = (ldt_info.flags >> 7) & 1; | |
6121 | #endif | |
6122 | ||
6123 | if (contents == 3) { | |
6124 | if (seg_not_present == 0) | |
6125 | return -TARGET_EINVAL; | |
6126 | } | |
6127 | ||
6128 | /* NOTE: same code as Linux kernel */ | |
6129 | /* Allow LDTs to be cleared by the user. */ | |
6130 | if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { | |
6131 | if ((contents == 0 && | |
6132 | read_exec_only == 1 && | |
6133 | seg_32bit == 0 && | |
6134 | limit_in_pages == 0 && | |
6135 | seg_not_present == 1 && | |
6136 | useable == 0 )) { | |
6137 | entry_1 = 0; | |
6138 | entry_2 = 0; | |
6139 | goto install; | |
6140 | } | |
6141 | } | |
6142 | ||
6143 | entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | | |
6144 | (ldt_info.limit & 0x0ffff); | |
6145 | entry_2 = (ldt_info.base_addr & 0xff000000) | | |
6146 | ((ldt_info.base_addr & 0x00ff0000) >> 16) | | |
6147 | (ldt_info.limit & 0xf0000) | | |
6148 | ((read_exec_only ^ 1) << 9) | | |
6149 | (contents << 10) | | |
6150 | ((seg_not_present ^ 1) << 15) | | |
6151 | (seg_32bit << 22) | | |
6152 | (limit_in_pages << 23) | | |
6153 | (useable << 20) | | |
6154 | (lm << 21) | | |
6155 | 0x7000; | |
6156 | ||
6157 | /* Install the new entry ... */ | |
6158 | install: | |
6159 | lp = (uint32_t *)(gdt_table + ldt_info.entry_number); | |
6160 | lp[0] = tswap32(entry_1); | |
6161 | lp[1] = tswap32(entry_2); | |
6162 | return 0; | |
6163 | } | |
6164 | ||
8fcd3692 | 6165 | static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr) |
8d18e893 FB |
6166 | { |
6167 | struct target_modify_ldt_ldt_s *target_ldt_info; | |
3e8f1628 | 6168 | uint64_t *gdt_table = g2h_untagged(env->gdt.base); |
8d18e893 FB |
6169 | uint32_t base_addr, limit, flags; |
6170 | int seg_32bit, contents, read_exec_only, limit_in_pages, idx; | |
6171 | int seg_not_present, useable, lm; | |
6172 | uint32_t *lp, entry_1, entry_2; | |
6173 | ||
6174 | lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); | |
6175 | if (!target_ldt_info) | |
6176 | return -TARGET_EFAULT; | |
6177 | idx = tswap32(target_ldt_info->entry_number); | |
6178 | if (idx < TARGET_GDT_ENTRY_TLS_MIN || | |
6179 | idx > TARGET_GDT_ENTRY_TLS_MAX) { | |
6180 | unlock_user_struct(target_ldt_info, ptr, 1); | |
6181 | return -TARGET_EINVAL; | |
6182 | } | |
6183 | lp = (uint32_t *)(gdt_table + idx); | |
6184 | entry_1 = tswap32(lp[0]); | |
6185 | entry_2 = tswap32(lp[1]); | |
6186 | ||
6187 | read_exec_only = ((entry_2 >> 9) & 1) ^ 1; | |
6188 | contents = (entry_2 >> 10) & 3; | |
6189 | seg_not_present = ((entry_2 >> 15) & 1) ^ 1; | |
6190 | seg_32bit = (entry_2 >> 22) & 1; | |
6191 | limit_in_pages = (entry_2 >> 23) & 1; | |
6192 | useable = (entry_2 >> 20) & 1; | |
6193 | #ifdef TARGET_ABI32 | |
6194 | lm = 0; | |
6195 | #else | |
6196 | lm = (entry_2 >> 21) & 1; | |
6197 | #endif | |
6198 | flags = (seg_32bit << 0) | (contents << 1) | | |
6199 | (read_exec_only << 3) | (limit_in_pages << 4) | | |
6200 | (seg_not_present << 5) | (useable << 6) | (lm << 7); | |
6201 | limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000); | |
6202 | base_addr = (entry_1 >> 16) | | |
6203 | (entry_2 & 0xff000000) | | |
6204 | ((entry_2 & 0xff) << 16); | |
cbb21eed | 6205 | target_ldt_info->base_addr = tswapal(base_addr); |
8d18e893 FB |
6206 | target_ldt_info->limit = tswap32(limit); |
6207 | target_ldt_info->flags = tswap32(flags); | |
6208 | unlock_user_struct(target_ldt_info, ptr, 1); | |
6209 | return 0; | |
6210 | } | |
6211 | ||
9d12f79d LV |
6212 | abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr) |
6213 | { | |
538fabcb | 6214 | return -TARGET_ENOSYS; |
9d12f79d LV |
6215 | } |
6216 | #else | |
2667e71c | 6217 | abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr) |
d2fd1af7 | 6218 | { |
1add8698 | 6219 | abi_long ret = 0; |
d2fd1af7 FB |
6220 | abi_ulong val; |
6221 | int idx; | |
1add8698 | 6222 | |
d2fd1af7 FB |
6223 | switch(code) { |
6224 | case TARGET_ARCH_SET_GS: | |
6225 | case TARGET_ARCH_SET_FS: | |
6226 | if (code == TARGET_ARCH_SET_GS) | |
6227 | idx = R_GS; | |
6228 | else | |
6229 | idx = R_FS; | |
6230 | cpu_x86_load_seg(env, idx, 0); | |
6231 | env->segs[idx].base = addr; | |
6232 | break; | |
6233 | case TARGET_ARCH_GET_GS: | |
6234 | case TARGET_ARCH_GET_FS: | |
6235 | if (code == TARGET_ARCH_GET_GS) | |
6236 | idx = R_GS; | |
6237 | else | |
6238 | idx = R_FS; | |
6239 | val = env->segs[idx].base; | |
6240 | if (put_user(val, addr, abi_ulong)) | |
1add8698 | 6241 | ret = -TARGET_EFAULT; |
d2fd1af7 FB |
6242 | break; |
6243 | default: | |
6244 | ret = -TARGET_EINVAL; | |
6245 | break; | |
6246 | } | |
1add8698 | 6247 | return ret; |
d2fd1af7 | 6248 | } |
9d12f79d | 6249 | #endif /* defined(TARGET_ABI32 */ |
2ab83ea7 FB |
6250 | #endif /* defined(TARGET_I386) */ |
6251 | ||
87e9bf23 RH |
6252 | /* |
6253 | * These constants are generic. Supply any that are missing from the host. | |
6254 | */ | |
6255 | #ifndef PR_SET_NAME | |
6256 | # define PR_SET_NAME 15 | |
6257 | # define PR_GET_NAME 16 | |
6258 | #endif | |
6259 | #ifndef PR_SET_FP_MODE | |
6260 | # define PR_SET_FP_MODE 45 | |
6261 | # define PR_GET_FP_MODE 46 | |
6262 | # define PR_FP_MODE_FR (1 << 0) | |
6263 | # define PR_FP_MODE_FRE (1 << 1) | |
6264 | #endif | |
6265 | #ifndef PR_SVE_SET_VL | |
6266 | # define PR_SVE_SET_VL 50 | |
6267 | # define PR_SVE_GET_VL 51 | |
6268 | # define PR_SVE_VL_LEN_MASK 0xffff | |
6269 | # define PR_SVE_VL_INHERIT (1 << 17) | |
6270 | #endif | |
6271 | #ifndef PR_PAC_RESET_KEYS | |
6272 | # define PR_PAC_RESET_KEYS 54 | |
6273 | # define PR_PAC_APIAKEY (1 << 0) | |
6274 | # define PR_PAC_APIBKEY (1 << 1) | |
6275 | # define PR_PAC_APDAKEY (1 << 2) | |
6276 | # define PR_PAC_APDBKEY (1 << 3) | |
6277 | # define PR_PAC_APGAKEY (1 << 4) | |
6278 | #endif | |
6279 | #ifndef PR_SET_TAGGED_ADDR_CTRL | |
6280 | # define PR_SET_TAGGED_ADDR_CTRL 55 | |
6281 | # define PR_GET_TAGGED_ADDR_CTRL 56 | |
6282 | # define PR_TAGGED_ADDR_ENABLE (1UL << 0) | |
6283 | #endif | |
6284 | #ifndef PR_MTE_TCF_SHIFT | |
6285 | # define PR_MTE_TCF_SHIFT 1 | |
6286 | # define PR_MTE_TCF_NONE (0UL << PR_MTE_TCF_SHIFT) | |
6287 | # define PR_MTE_TCF_SYNC (1UL << PR_MTE_TCF_SHIFT) | |
6288 | # define PR_MTE_TCF_ASYNC (2UL << PR_MTE_TCF_SHIFT) | |
6289 | # define PR_MTE_TCF_MASK (3UL << PR_MTE_TCF_SHIFT) | |
6290 | # define PR_MTE_TAG_SHIFT 3 | |
6291 | # define PR_MTE_TAG_MASK (0xffffUL << PR_MTE_TAG_SHIFT) | |
6292 | #endif | |
220717a6 RH |
6293 | #ifndef PR_SET_IO_FLUSHER |
6294 | # define PR_SET_IO_FLUSHER 57 | |
6295 | # define PR_GET_IO_FLUSHER 58 | |
6296 | #endif | |
6297 | #ifndef PR_SET_SYSCALL_USER_DISPATCH | |
6298 | # define PR_SET_SYSCALL_USER_DISPATCH 59 | |
6299 | #endif | |
24d87c18 RH |
6300 | #ifndef PR_SME_SET_VL |
6301 | # define PR_SME_SET_VL 63 | |
6302 | # define PR_SME_GET_VL 64 | |
6303 | # define PR_SME_VL_LEN_MASK 0xffff | |
6304 | # define PR_SME_VL_INHERIT (1 << 17) | |
6305 | #endif | |
87e9bf23 RH |
6306 | |
6307 | #include "target_prctl.h" | |
6308 | ||
6309 | static abi_long do_prctl_inval0(CPUArchState *env) | |
6310 | { | |
6311 | return -TARGET_EINVAL; | |
6312 | } | |
6313 | ||
6314 | static abi_long do_prctl_inval1(CPUArchState *env, abi_long arg2) | |
6315 | { | |
6316 | return -TARGET_EINVAL; | |
6317 | } | |
6318 | ||
6319 | #ifndef do_prctl_get_fp_mode | |
6320 | #define do_prctl_get_fp_mode do_prctl_inval0 | |
6321 | #endif | |
6322 | #ifndef do_prctl_set_fp_mode | |
6323 | #define do_prctl_set_fp_mode do_prctl_inval1 | |
6324 | #endif | |
fd72f5d0 RH |
6325 | #ifndef do_prctl_sve_get_vl |
6326 | #define do_prctl_sve_get_vl do_prctl_inval0 | |
87e9bf23 | 6327 | #endif |
fd72f5d0 RH |
6328 | #ifndef do_prctl_sve_set_vl |
6329 | #define do_prctl_sve_set_vl do_prctl_inval1 | |
87e9bf23 RH |
6330 | #endif |
6331 | #ifndef do_prctl_reset_keys | |
6332 | #define do_prctl_reset_keys do_prctl_inval1 | |
6333 | #endif | |
6334 | #ifndef do_prctl_set_tagged_addr_ctrl | |
6335 | #define do_prctl_set_tagged_addr_ctrl do_prctl_inval1 | |
6336 | #endif | |
6337 | #ifndef do_prctl_get_tagged_addr_ctrl | |
6338 | #define do_prctl_get_tagged_addr_ctrl do_prctl_inval0 | |
6339 | #endif | |
6e8dcacd RH |
6340 | #ifndef do_prctl_get_unalign |
6341 | #define do_prctl_get_unalign do_prctl_inval1 | |
6342 | #endif | |
6343 | #ifndef do_prctl_set_unalign | |
6344 | #define do_prctl_set_unalign do_prctl_inval1 | |
6345 | #endif | |
24d87c18 RH |
6346 | #ifndef do_prctl_sme_get_vl |
6347 | #define do_prctl_sme_get_vl do_prctl_inval0 | |
6348 | #endif | |
6349 | #ifndef do_prctl_sme_set_vl | |
6350 | #define do_prctl_sme_set_vl do_prctl_inval1 | |
6351 | #endif | |
87e9bf23 RH |
6352 | |
6353 | static abi_long do_prctl(CPUArchState *env, abi_long option, abi_long arg2, | |
6354 | abi_long arg3, abi_long arg4, abi_long arg5) | |
6355 | { | |
6356 | abi_long ret; | |
6357 | ||
6358 | switch (option) { | |
6359 | case PR_GET_PDEATHSIG: | |
6360 | { | |
6361 | int deathsig; | |
6362 | ret = get_errno(prctl(PR_GET_PDEATHSIG, &deathsig, | |
6363 | arg3, arg4, arg5)); | |
1edebb36 RH |
6364 | if (!is_error(ret) && |
6365 | put_user_s32(host_to_target_signal(deathsig), arg2)) { | |
87e9bf23 RH |
6366 | return -TARGET_EFAULT; |
6367 | } | |
6368 | return ret; | |
6369 | } | |
f746c659 RH |
6370 | case PR_SET_PDEATHSIG: |
6371 | return get_errno(prctl(PR_SET_PDEATHSIG, target_to_host_signal(arg2), | |
6372 | arg3, arg4, arg5)); | |
87e9bf23 RH |
6373 | case PR_GET_NAME: |
6374 | { | |
6375 | void *name = lock_user(VERIFY_WRITE, arg2, 16, 1); | |
6376 | if (!name) { | |
6377 | return -TARGET_EFAULT; | |
6378 | } | |
6379 | ret = get_errno(prctl(PR_GET_NAME, (uintptr_t)name, | |
6380 | arg3, arg4, arg5)); | |
6381 | unlock_user(name, arg2, 16); | |
6382 | return ret; | |
6383 | } | |
6384 | case PR_SET_NAME: | |
6385 | { | |
6386 | void *name = lock_user(VERIFY_READ, arg2, 16, 1); | |
6387 | if (!name) { | |
6388 | return -TARGET_EFAULT; | |
6389 | } | |
6390 | ret = get_errno(prctl(PR_SET_NAME, (uintptr_t)name, | |
6391 | arg3, arg4, arg5)); | |
6392 | unlock_user(name, arg2, 0); | |
6393 | return ret; | |
6394 | } | |
6395 | case PR_GET_FP_MODE: | |
6396 | return do_prctl_get_fp_mode(env); | |
6397 | case PR_SET_FP_MODE: | |
6398 | return do_prctl_set_fp_mode(env, arg2); | |
6399 | case PR_SVE_GET_VL: | |
fd72f5d0 | 6400 | return do_prctl_sve_get_vl(env); |
87e9bf23 | 6401 | case PR_SVE_SET_VL: |
fd72f5d0 | 6402 | return do_prctl_sve_set_vl(env, arg2); |
24d87c18 RH |
6403 | case PR_SME_GET_VL: |
6404 | return do_prctl_sme_get_vl(env); | |
6405 | case PR_SME_SET_VL: | |
6406 | return do_prctl_sme_set_vl(env, arg2); | |
87e9bf23 RH |
6407 | case PR_PAC_RESET_KEYS: |
6408 | if (arg3 || arg4 || arg5) { | |
6409 | return -TARGET_EINVAL; | |
6410 | } | |
6411 | return do_prctl_reset_keys(env, arg2); | |
6412 | case PR_SET_TAGGED_ADDR_CTRL: | |
6413 | if (arg3 || arg4 || arg5) { | |
6414 | return -TARGET_EINVAL; | |
6415 | } | |
6416 | return do_prctl_set_tagged_addr_ctrl(env, arg2); | |
6417 | case PR_GET_TAGGED_ADDR_CTRL: | |
6418 | if (arg2 || arg3 || arg4 || arg5) { | |
6419 | return -TARGET_EINVAL; | |
6420 | } | |
6421 | return do_prctl_get_tagged_addr_ctrl(env); | |
220717a6 | 6422 | |
6e8dcacd RH |
6423 | case PR_GET_UNALIGN: |
6424 | return do_prctl_get_unalign(env, arg2); | |
6425 | case PR_SET_UNALIGN: | |
6426 | return do_prctl_set_unalign(env, arg2); | |
6427 | ||
4f4e5567 RH |
6428 | case PR_CAP_AMBIENT: |
6429 | case PR_CAPBSET_READ: | |
6430 | case PR_CAPBSET_DROP: | |
220717a6 RH |
6431 | case PR_GET_DUMPABLE: |
6432 | case PR_SET_DUMPABLE: | |
6433 | case PR_GET_KEEPCAPS: | |
6434 | case PR_SET_KEEPCAPS: | |
4f4e5567 RH |
6435 | case PR_GET_SECUREBITS: |
6436 | case PR_SET_SECUREBITS: | |
220717a6 RH |
6437 | case PR_GET_TIMING: |
6438 | case PR_SET_TIMING: | |
6439 | case PR_GET_TIMERSLACK: | |
6440 | case PR_SET_TIMERSLACK: | |
6441 | case PR_MCE_KILL: | |
6442 | case PR_MCE_KILL_GET: | |
6443 | case PR_GET_NO_NEW_PRIVS: | |
6444 | case PR_SET_NO_NEW_PRIVS: | |
6445 | case PR_GET_IO_FLUSHER: | |
6446 | case PR_SET_IO_FLUSHER: | |
07726f52 | 6447 | case PR_SET_CHILD_SUBREAPER: |
91511bd4 RH |
6448 | case PR_GET_SPECULATION_CTRL: |
6449 | case PR_SET_SPECULATION_CTRL: | |
220717a6 RH |
6450 | /* Some prctl options have no pointer arguments and we can pass on. */ |
6451 | return get_errno(prctl(option, arg2, arg3, arg4, arg5)); | |
6452 | ||
6453 | case PR_GET_CHILD_SUBREAPER: | |
07726f52 RH |
6454 | { |
6455 | int val; | |
6456 | ret = get_errno(prctl(PR_GET_CHILD_SUBREAPER, &val, | |
6457 | arg3, arg4, arg5)); | |
6458 | if (!is_error(ret) && put_user_s32(val, arg2)) { | |
6459 | return -TARGET_EFAULT; | |
6460 | } | |
6461 | return ret; | |
6462 | } | |
6463 | ||
220717a6 | 6464 | case PR_GET_TID_ADDRESS: |
8de24b15 | 6465 | { |
59272469 | 6466 | TaskState *ts = get_task_state(env_cpu(env)); |
8de24b15 RH |
6467 | return put_user_ual(ts->child_tidptr, arg2); |
6468 | } | |
220717a6 RH |
6469 | |
6470 | case PR_GET_FPEXC: | |
6471 | case PR_SET_FPEXC: | |
6472 | /* Was used for SPE on PowerPC. */ | |
6473 | return -TARGET_EINVAL; | |
6474 | ||
6475 | case PR_GET_ENDIAN: | |
6476 | case PR_SET_ENDIAN: | |
6477 | case PR_GET_FPEMU: | |
6478 | case PR_SET_FPEMU: | |
6479 | case PR_SET_MM: | |
87e9bf23 RH |
6480 | case PR_GET_SECCOMP: |
6481 | case PR_SET_SECCOMP: | |
220717a6 RH |
6482 | case PR_SET_SYSCALL_USER_DISPATCH: |
6483 | case PR_GET_THP_DISABLE: | |
6484 | case PR_SET_THP_DISABLE: | |
6485 | case PR_GET_TSC: | |
6486 | case PR_SET_TSC: | |
220717a6 | 6487 | /* Disable to prevent the target disabling stuff we need. */ |
87e9bf23 | 6488 | return -TARGET_EINVAL; |
220717a6 | 6489 | |
87e9bf23 | 6490 | default: |
220717a6 RH |
6491 | qemu_log_mask(LOG_UNIMP, "Unsupported prctl: " TARGET_ABI_FMT_ld "\n", |
6492 | option); | |
6493 | return -TARGET_EINVAL; | |
87e9bf23 RH |
6494 | } |
6495 | } | |
6496 | ||
05098a93 | 6497 | #define NEW_STACK_SIZE 0x40000 |
d865bab5 | 6498 | |
d865bab5 PB |
6499 | |
6500 | static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER; | |
6501 | typedef struct { | |
9349b4f9 | 6502 | CPUArchState *env; |
d865bab5 PB |
6503 | pthread_mutex_t mutex; |
6504 | pthread_cond_t cond; | |
6505 | pthread_t thread; | |
6506 | uint32_t tid; | |
6507 | abi_ulong child_tidptr; | |
6508 | abi_ulong parent_tidptr; | |
6509 | sigset_t sigmask; | |
6510 | } new_thread_info; | |
6511 | ||
6512 | static void *clone_func(void *arg) | |
6513 | { | |
6514 | new_thread_info *info = arg; | |
9349b4f9 | 6515 | CPUArchState *env; |
0d34282f | 6516 | CPUState *cpu; |
edf8e2af | 6517 | TaskState *ts; |
d865bab5 | 6518 | |
70903763 | 6519 | rcu_register_thread(); |
3468b59e | 6520 | tcg_register_thread(); |
d865bab5 | 6521 | env = info->env; |
29a0af61 | 6522 | cpu = env_cpu(env); |
a2247f8e | 6523 | thread_cpu = cpu; |
e4e5cb4a | 6524 | ts = get_task_state(cpu); |
71ba74f6 | 6525 | info->tid = sys_gettid(); |
edf8e2af | 6526 | task_settid(ts); |
d865bab5 PB |
6527 | if (info->child_tidptr) |
6528 | put_user_u32(info->tid, info->child_tidptr); | |
6529 | if (info->parent_tidptr) | |
6530 | put_user_u32(info->tid, info->parent_tidptr); | |
5ebdd774 | 6531 | qemu_guest_random_seed_thread_part2(cpu->random_seed); |
d865bab5 PB |
6532 | /* Enable signals. */ |
6533 | sigprocmask(SIG_SETMASK, &info->sigmask, NULL); | |
6534 | /* Signal to the parent that we're ready. */ | |
6535 | pthread_mutex_lock(&info->mutex); | |
6536 | pthread_cond_broadcast(&info->cond); | |
6537 | pthread_mutex_unlock(&info->mutex); | |
a4dd3d51 | 6538 | /* Wait until the parent has finished initializing the tls state. */ |
d865bab5 PB |
6539 | pthread_mutex_lock(&clone_lock); |
6540 | pthread_mutex_unlock(&clone_lock); | |
6541 | cpu_loop(env); | |
6542 | /* never exits */ | |
6543 | return NULL; | |
6544 | } | |
1b6b029e | 6545 | |
0da46a6e TS |
6546 | /* do_fork() Must return host values and target errnos (unlike most |
6547 | do_*() functions). */ | |
9349b4f9 | 6548 | static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp, |
d865bab5 PB |
6549 | abi_ulong parent_tidptr, target_ulong newtls, |
6550 | abi_ulong child_tidptr) | |
1b6b029e | 6551 | { |
29a0af61 | 6552 | CPUState *cpu = env_cpu(env); |
1b6b029e | 6553 | int ret; |
5cd4393b | 6554 | TaskState *ts; |
0429a971 | 6555 | CPUState *new_cpu; |
9349b4f9 | 6556 | CPUArchState *new_env; |
d865bab5 | 6557 | sigset_t sigmask; |
3b46e624 | 6558 | |
5ea2fc84 PM |
6559 | flags &= ~CLONE_IGNORED_FLAGS; |
6560 | ||
436d124b AZ |
6561 | /* Emulate vfork() with fork() */ |
6562 | if (flags & CLONE_VFORK) | |
6563 | flags &= ~(CLONE_VFORK | CLONE_VM); | |
6564 | ||
1b6b029e | 6565 | if (flags & CLONE_VM) { |
e4e5cb4a | 6566 | TaskState *parent_ts = get_task_state(cpu); |
d865bab5 PB |
6567 | new_thread_info info; |
6568 | pthread_attr_t attr; | |
24cb36a6 | 6569 | |
5ea2fc84 PM |
6570 | if (((flags & CLONE_THREAD_FLAGS) != CLONE_THREAD_FLAGS) || |
6571 | (flags & CLONE_INVALID_THREAD_FLAGS)) { | |
6572 | return -TARGET_EINVAL; | |
6573 | } | |
6574 | ||
c78d65e8 | 6575 | ts = g_new0(TaskState, 1); |
624f7979 | 6576 | init_task_state(ts); |
73a988d9 MF |
6577 | |
6578 | /* Grab a mutex so that thread setup appears atomic. */ | |
6579 | pthread_mutex_lock(&clone_lock); | |
6580 | ||
6cc9d67c RH |
6581 | /* |
6582 | * If this is our first additional thread, we need to ensure we | |
6583 | * generate code for parallel execution and flush old translations. | |
6584 | * Do this now so that the copy gets CF_PARALLEL too. | |
6585 | */ | |
b254c342 PMD |
6586 | if (!tcg_cflags_has(cpu, CF_PARALLEL)) { |
6587 | tcg_cflags_set(cpu, CF_PARALLEL); | |
6cc9d67c RH |
6588 | tb_flush(cpu); |
6589 | } | |
6590 | ||
1b6b029e | 6591 | /* we create a new CPU instance. */ |
c5be9f08 | 6592 | new_env = cpu_copy(env); |
6e68e076 | 6593 | /* Init regs that differ from the parent. */ |
608999d1 | 6594 | cpu_clone_regs_child(new_env, newsp, flags); |
07a6ecf4 | 6595 | cpu_clone_regs_parent(env, flags); |
29a0af61 | 6596 | new_cpu = env_cpu(new_env); |
0429a971 | 6597 | new_cpu->opaque = ts; |
edf8e2af MW |
6598 | ts->bprm = parent_ts->bprm; |
6599 | ts->info = parent_ts->info; | |
3d3efba0 | 6600 | ts->signal_mask = parent_ts->signal_mask; |
d865bab5 | 6601 | |
7cfbd386 | 6602 | if (flags & CLONE_CHILD_CLEARTID) { |
c2764719 PB |
6603 | ts->child_tidptr = child_tidptr; |
6604 | } | |
6605 | ||
7cfbd386 | 6606 | if (flags & CLONE_SETTLS) { |
d865bab5 | 6607 | cpu_set_tls (new_env, newtls); |
7cfbd386 | 6608 | } |
d865bab5 | 6609 | |
d865bab5 PB |
6610 | memset(&info, 0, sizeof(info)); |
6611 | pthread_mutex_init(&info.mutex, NULL); | |
6612 | pthread_mutex_lock(&info.mutex); | |
6613 | pthread_cond_init(&info.cond, NULL); | |
6614 | info.env = new_env; | |
7cfbd386 | 6615 | if (flags & CLONE_CHILD_SETTID) { |
d865bab5 | 6616 | info.child_tidptr = child_tidptr; |
7cfbd386 PM |
6617 | } |
6618 | if (flags & CLONE_PARENT_SETTID) { | |
d865bab5 | 6619 | info.parent_tidptr = parent_tidptr; |
7cfbd386 | 6620 | } |
d865bab5 PB |
6621 | |
6622 | ret = pthread_attr_init(&attr); | |
48e15fc2 NF |
6623 | ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE); |
6624 | ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); | |
d865bab5 PB |
6625 | /* It is not safe to deliver signals until the child has finished |
6626 | initializing, so temporarily block all signals. */ | |
6627 | sigfillset(&sigmask); | |
6628 | sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask); | |
5ebdd774 | 6629 | cpu->random_seed = qemu_guest_random_seed_thread_part1(); |
d865bab5 PB |
6630 | |
6631 | ret = pthread_create(&info.thread, &attr, clone_func, &info); | |
c2764719 | 6632 | /* TODO: Free new CPU state if thread creation failed. */ |
d865bab5 PB |
6633 | |
6634 | sigprocmask(SIG_SETMASK, &info.sigmask, NULL); | |
6635 | pthread_attr_destroy(&attr); | |
6636 | if (ret == 0) { | |
6637 | /* Wait for the child to initialize. */ | |
6638 | pthread_cond_wait(&info.cond, &info.mutex); | |
6639 | ret = info.tid; | |
d865bab5 PB |
6640 | } else { |
6641 | ret = -1; | |
6642 | } | |
6643 | pthread_mutex_unlock(&info.mutex); | |
6644 | pthread_cond_destroy(&info.cond); | |
6645 | pthread_mutex_destroy(&info.mutex); | |
6646 | pthread_mutex_unlock(&clone_lock); | |
1b6b029e FB |
6647 | } else { |
6648 | /* if no CLONE_VM, we consider it is a fork */ | |
5ea2fc84 PM |
6649 | if (flags & CLONE_INVALID_FORK_FLAGS) { |
6650 | return -TARGET_EINVAL; | |
6651 | } | |
6652 | ||
6653 | /* We can't support custom termination signals */ | |
6654 | if ((flags & CSIGNAL) != TARGET_SIGCHLD) { | |
93b4eff8 TB |
6655 | return -TARGET_EINVAL; |
6656 | } | |
7d92d34e | 6657 | |
895ce8bb HD |
6658 | #if !defined(__NR_pidfd_open) || !defined(TARGET_NR_pidfd_open) |
6659 | if (flags & CLONE_PIDFD) { | |
6660 | return -TARGET_EINVAL; | |
6661 | } | |
6662 | #endif | |
6663 | ||
6664 | /* Can not allow CLONE_PIDFD with CLONE_PARENT_SETTID */ | |
6665 | if ((flags & CLONE_PIDFD) && (flags & CLONE_PARENT_SETTID)) { | |
6666 | return -TARGET_EINVAL; | |
6667 | } | |
6668 | ||
7d92d34e | 6669 | if (block_signals()) { |
af254a27 | 6670 | return -QEMU_ERESTARTSYS; |
7d92d34e TB |
6671 | } |
6672 | ||
d865bab5 | 6673 | fork_start(); |
1b6b029e | 6674 | ret = fork(); |
d865bab5 | 6675 | if (ret == 0) { |
2b1319c8 | 6676 | /* Child Process. */ |
608999d1 | 6677 | cpu_clone_regs_child(env, newsp, flags); |
4edc98fc | 6678 | fork_end(ret); |
2b1319c8 AJ |
6679 | /* There is a race condition here. The parent process could |
6680 | theoretically read the TID in the child process before the child | |
6681 | tid is set. This would require using either ptrace | |
6682 | (not implemented) or having *_tidptr to point at a shared memory | |
6683 | mapping. We can't repeat the spinlock hack used above because | |
6684 | the child process gets its own copy of the lock. */ | |
d865bab5 | 6685 | if (flags & CLONE_CHILD_SETTID) |
71ba74f6 | 6686 | put_user_u32(sys_gettid(), child_tidptr); |
d865bab5 | 6687 | if (flags & CLONE_PARENT_SETTID) |
71ba74f6 | 6688 | put_user_u32(sys_gettid(), parent_tidptr); |
e4e5cb4a | 6689 | ts = get_task_state(cpu); |
d865bab5 PB |
6690 | if (flags & CLONE_SETTLS) |
6691 | cpu_set_tls (env, newtls); | |
c2764719 PB |
6692 | if (flags & CLONE_CHILD_CLEARTID) |
6693 | ts->child_tidptr = child_tidptr; | |
d865bab5 | 6694 | } else { |
07a6ecf4 | 6695 | cpu_clone_regs_parent(env, flags); |
895ce8bb HD |
6696 | if (flags & CLONE_PIDFD) { |
6697 | int pid_fd = 0; | |
6698 | #if defined(__NR_pidfd_open) && defined(TARGET_NR_pidfd_open) | |
6699 | int pid_child = ret; | |
6700 | pid_fd = pidfd_open(pid_child, 0); | |
6701 | if (pid_fd >= 0) { | |
6702 | fcntl(pid_fd, F_SETFD, fcntl(pid_fd, F_GETFL) | |
6703 | | FD_CLOEXEC); | |
6704 | } else { | |
6705 | pid_fd = 0; | |
6706 | } | |
6707 | #endif | |
6708 | put_user_u32(pid_fd, parent_tidptr); | |
4edc98fc IL |
6709 | } |
6710 | fork_end(ret); | |
d865bab5 | 6711 | } |
7de0816f | 6712 | g_assert(!cpu_in_exclusive_context(cpu)); |
1b6b029e FB |
6713 | } |
6714 | return ret; | |
6715 | } | |
6716 | ||
5f106811 APR |
6717 | /* warning : doesn't handle linux specific flags... */ |
6718 | static int target_to_host_fcntl_cmd(int cmd) | |
6719 | { | |
4a545761 SB |
6720 | int ret; |
6721 | ||
5f106811 | 6722 | switch(cmd) { |
4a545761 SB |
6723 | case TARGET_F_DUPFD: |
6724 | case TARGET_F_GETFD: | |
6725 | case TARGET_F_SETFD: | |
6726 | case TARGET_F_GETFL: | |
6727 | case TARGET_F_SETFL: | |
2d92c682 AS |
6728 | case TARGET_F_OFD_GETLK: |
6729 | case TARGET_F_OFD_SETLK: | |
6730 | case TARGET_F_OFD_SETLKW: | |
4a545761 SB |
6731 | ret = cmd; |
6732 | break; | |
6733 | case TARGET_F_GETLK: | |
6734 | ret = F_GETLK64; | |
6735 | break; | |
6736 | case TARGET_F_SETLK: | |
6737 | ret = F_SETLK64; | |
6738 | break; | |
6739 | case TARGET_F_SETLKW: | |
6740 | ret = F_SETLKW64; | |
6741 | break; | |
6742 | case TARGET_F_GETOWN: | |
6743 | ret = F_GETOWN; | |
6744 | break; | |
6745 | case TARGET_F_SETOWN: | |
6746 | ret = F_SETOWN; | |
6747 | break; | |
6748 | case TARGET_F_GETSIG: | |
6749 | ret = F_GETSIG; | |
6750 | break; | |
6751 | case TARGET_F_SETSIG: | |
6752 | ret = F_SETSIG; | |
6753 | break; | |
5f106811 | 6754 | #if TARGET_ABI_BITS == 32 |
4a545761 SB |
6755 | case TARGET_F_GETLK64: |
6756 | ret = F_GETLK64; | |
6757 | break; | |
6758 | case TARGET_F_SETLK64: | |
6759 | ret = F_SETLK64; | |
6760 | break; | |
6761 | case TARGET_F_SETLKW64: | |
6762 | ret = F_SETLKW64; | |
6763 | break; | |
5f106811 | 6764 | #endif |
4a545761 SB |
6765 | case TARGET_F_SETLEASE: |
6766 | ret = F_SETLEASE; | |
6767 | break; | |
6768 | case TARGET_F_GETLEASE: | |
6769 | ret = F_GETLEASE; | |
6770 | break; | |
fbd5de9b | 6771 | #ifdef F_DUPFD_CLOEXEC |
4a545761 SB |
6772 | case TARGET_F_DUPFD_CLOEXEC: |
6773 | ret = F_DUPFD_CLOEXEC; | |
6774 | break; | |
fbd5de9b | 6775 | #endif |
4a545761 SB |
6776 | case TARGET_F_NOTIFY: |
6777 | ret = F_NOTIFY; | |
6778 | break; | |
8d5d3004 | 6779 | #ifdef F_GETOWN_EX |
4a545761 SB |
6780 | case TARGET_F_GETOWN_EX: |
6781 | ret = F_GETOWN_EX; | |
6782 | break; | |
8d5d3004 AS |
6783 | #endif |
6784 | #ifdef F_SETOWN_EX | |
4a545761 SB |
6785 | case TARGET_F_SETOWN_EX: |
6786 | ret = F_SETOWN_EX; | |
6787 | break; | |
8d5d3004 | 6788 | #endif |
ddf31aa8 | 6789 | #ifdef F_SETPIPE_SZ |
4a545761 SB |
6790 | case TARGET_F_SETPIPE_SZ: |
6791 | ret = F_SETPIPE_SZ; | |
6792 | break; | |
6793 | case TARGET_F_GETPIPE_SZ: | |
6794 | ret = F_GETPIPE_SZ; | |
6795 | break; | |
2bb963ff SCW |
6796 | #endif |
6797 | #ifdef F_ADD_SEALS | |
6798 | case TARGET_F_ADD_SEALS: | |
6799 | ret = F_ADD_SEALS; | |
6800 | break; | |
6801 | case TARGET_F_GET_SEALS: | |
6802 | ret = F_GET_SEALS; | |
6803 | break; | |
ddf31aa8 | 6804 | #endif |
4a545761 SB |
6805 | default: |
6806 | ret = -TARGET_EINVAL; | |
6807 | break; | |
6808 | } | |
6809 | ||
6810 | #if defined(__powerpc64__) | |
6811 | /* On PPC64, glibc headers has the F_*LK* defined to 12, 13 and 14 and | |
6812 | * is not supported by kernel. The glibc fcntl call actually adjusts | |
6813 | * them to 5, 6 and 7 before making the syscall(). Since we make the | |
6814 | * syscall directly, adjust to what is supported by the kernel. | |
6815 | */ | |
6816 | if (ret >= F_GETLK64 && ret <= F_SETLKW64) { | |
6817 | ret -= F_GETLK64 - 5; | |
5f106811 | 6818 | } |
4a545761 SB |
6819 | #endif |
6820 | ||
6821 | return ret; | |
5f106811 APR |
6822 | } |
6823 | ||
ae68ad9f LV |
6824 | #define FLOCK_TRANSTBL \ |
6825 | switch (type) { \ | |
6826 | TRANSTBL_CONVERT(F_RDLCK); \ | |
6827 | TRANSTBL_CONVERT(F_WRLCK); \ | |
6828 | TRANSTBL_CONVERT(F_UNLCK); \ | |
ae68ad9f LV |
6829 | } |
6830 | ||
6831 | static int target_to_host_flock(int type) | |
6832 | { | |
6833 | #define TRANSTBL_CONVERT(a) case TARGET_##a: return a | |
6834 | FLOCK_TRANSTBL | |
6835 | #undef TRANSTBL_CONVERT | |
6836 | return -TARGET_EINVAL; | |
6837 | } | |
6838 | ||
6839 | static int host_to_target_flock(int type) | |
6840 | { | |
6841 | #define TRANSTBL_CONVERT(a) case a: return TARGET_##a | |
6842 | FLOCK_TRANSTBL | |
6843 | #undef TRANSTBL_CONVERT | |
6844 | /* if we don't know how to convert the value coming | |
6845 | * from the host we copy to the target field as-is | |
6846 | */ | |
6847 | return type; | |
6848 | } | |
2ba7f730 | 6849 | |
213d3e9e PM |
6850 | static inline abi_long copy_from_user_flock(struct flock64 *fl, |
6851 | abi_ulong target_flock_addr) | |
7775e9ec | 6852 | { |
53a5960a | 6853 | struct target_flock *target_fl; |
ae68ad9f | 6854 | int l_type; |
213d3e9e PM |
6855 | |
6856 | if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) { | |
6857 | return -TARGET_EFAULT; | |
6858 | } | |
6859 | ||
6860 | __get_user(l_type, &target_fl->l_type); | |
ae68ad9f LV |
6861 | l_type = target_to_host_flock(l_type); |
6862 | if (l_type < 0) { | |
6863 | return l_type; | |
6864 | } | |
6865 | fl->l_type = l_type; | |
213d3e9e PM |
6866 | __get_user(fl->l_whence, &target_fl->l_whence); |
6867 | __get_user(fl->l_start, &target_fl->l_start); | |
6868 | __get_user(fl->l_len, &target_fl->l_len); | |
6869 | __get_user(fl->l_pid, &target_fl->l_pid); | |
6870 | unlock_user_struct(target_fl, target_flock_addr, 0); | |
6871 | return 0; | |
6872 | } | |
6873 | ||
6874 | static inline abi_long copy_to_user_flock(abi_ulong target_flock_addr, | |
6875 | const struct flock64 *fl) | |
6876 | { | |
6877 | struct target_flock *target_fl; | |
6878 | short l_type; | |
6879 | ||
6880 | if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) { | |
6881 | return -TARGET_EFAULT; | |
6882 | } | |
6883 | ||
ae68ad9f | 6884 | l_type = host_to_target_flock(fl->l_type); |
213d3e9e PM |
6885 | __put_user(l_type, &target_fl->l_type); |
6886 | __put_user(fl->l_whence, &target_fl->l_whence); | |
6887 | __put_user(fl->l_start, &target_fl->l_start); | |
6888 | __put_user(fl->l_len, &target_fl->l_len); | |
6889 | __put_user(fl->l_pid, &target_fl->l_pid); | |
6890 | unlock_user_struct(target_fl, target_flock_addr, 1); | |
6891 | return 0; | |
6892 | } | |
6893 | ||
6894 | typedef abi_long from_flock64_fn(struct flock64 *fl, abi_ulong target_addr); | |
6895 | typedef abi_long to_flock64_fn(abi_ulong target_addr, const struct flock64 *fl); | |
6896 | ||
6897 | #if defined(TARGET_ARM) && TARGET_ABI_BITS == 32 | |
ffe81d43 RH |
6898 | struct target_oabi_flock64 { |
6899 | abi_short l_type; | |
6900 | abi_short l_whence; | |
6901 | abi_llong l_start; | |
6902 | abi_llong l_len; | |
6903 | abi_int l_pid; | |
6904 | } QEMU_PACKED; | |
6905 | ||
7f254c5c | 6906 | static inline abi_long copy_from_user_oabi_flock64(struct flock64 *fl, |
213d3e9e PM |
6907 | abi_ulong target_flock_addr) |
6908 | { | |
7f254c5c | 6909 | struct target_oabi_flock64 *target_fl; |
ae68ad9f | 6910 | int l_type; |
213d3e9e PM |
6911 | |
6912 | if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) { | |
6913 | return -TARGET_EFAULT; | |
6914 | } | |
6915 | ||
6916 | __get_user(l_type, &target_fl->l_type); | |
ae68ad9f LV |
6917 | l_type = target_to_host_flock(l_type); |
6918 | if (l_type < 0) { | |
6919 | return l_type; | |
6920 | } | |
6921 | fl->l_type = l_type; | |
213d3e9e PM |
6922 | __get_user(fl->l_whence, &target_fl->l_whence); |
6923 | __get_user(fl->l_start, &target_fl->l_start); | |
6924 | __get_user(fl->l_len, &target_fl->l_len); | |
6925 | __get_user(fl->l_pid, &target_fl->l_pid); | |
6926 | unlock_user_struct(target_fl, target_flock_addr, 0); | |
6927 | return 0; | |
6928 | } | |
6929 | ||
7f254c5c | 6930 | static inline abi_long copy_to_user_oabi_flock64(abi_ulong target_flock_addr, |
213d3e9e PM |
6931 | const struct flock64 *fl) |
6932 | { | |
7f254c5c | 6933 | struct target_oabi_flock64 *target_fl; |
213d3e9e PM |
6934 | short l_type; |
6935 | ||
6936 | if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) { | |
6937 | return -TARGET_EFAULT; | |
6938 | } | |
6939 | ||
ae68ad9f | 6940 | l_type = host_to_target_flock(fl->l_type); |
213d3e9e PM |
6941 | __put_user(l_type, &target_fl->l_type); |
6942 | __put_user(fl->l_whence, &target_fl->l_whence); | |
6943 | __put_user(fl->l_start, &target_fl->l_start); | |
6944 | __put_user(fl->l_len, &target_fl->l_len); | |
6945 | __put_user(fl->l_pid, &target_fl->l_pid); | |
6946 | unlock_user_struct(target_fl, target_flock_addr, 1); | |
6947 | return 0; | |
6948 | } | |
6949 | #endif | |
6950 | ||
6951 | static inline abi_long copy_from_user_flock64(struct flock64 *fl, | |
6952 | abi_ulong target_flock_addr) | |
6953 | { | |
6954 | struct target_flock64 *target_fl; | |
ae68ad9f | 6955 | int l_type; |
213d3e9e PM |
6956 | |
6957 | if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) { | |
6958 | return -TARGET_EFAULT; | |
6959 | } | |
6960 | ||
6961 | __get_user(l_type, &target_fl->l_type); | |
ae68ad9f LV |
6962 | l_type = target_to_host_flock(l_type); |
6963 | if (l_type < 0) { | |
6964 | return l_type; | |
6965 | } | |
6966 | fl->l_type = l_type; | |
213d3e9e PM |
6967 | __get_user(fl->l_whence, &target_fl->l_whence); |
6968 | __get_user(fl->l_start, &target_fl->l_start); | |
6969 | __get_user(fl->l_len, &target_fl->l_len); | |
6970 | __get_user(fl->l_pid, &target_fl->l_pid); | |
6971 | unlock_user_struct(target_fl, target_flock_addr, 0); | |
6972 | return 0; | |
6973 | } | |
6974 | ||
6975 | static inline abi_long copy_to_user_flock64(abi_ulong target_flock_addr, | |
6976 | const struct flock64 *fl) | |
6977 | { | |
6978 | struct target_flock64 *target_fl; | |
6979 | short l_type; | |
6980 | ||
6981 | if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) { | |
6982 | return -TARGET_EFAULT; | |
6983 | } | |
6984 | ||
ae68ad9f | 6985 | l_type = host_to_target_flock(fl->l_type); |
213d3e9e PM |
6986 | __put_user(l_type, &target_fl->l_type); |
6987 | __put_user(fl->l_whence, &target_fl->l_whence); | |
6988 | __put_user(fl->l_start, &target_fl->l_start); | |
6989 | __put_user(fl->l_len, &target_fl->l_len); | |
6990 | __put_user(fl->l_pid, &target_fl->l_pid); | |
6991 | unlock_user_struct(target_fl, target_flock_addr, 1); | |
6992 | return 0; | |
6993 | } | |
6994 | ||
6995 | static abi_long do_fcntl(int fd, int cmd, abi_ulong arg) | |
6996 | { | |
43f238d7 | 6997 | struct flock64 fl64; |
8d5d3004 AS |
6998 | #ifdef F_GETOWN_EX |
6999 | struct f_owner_ex fox; | |
7000 | struct target_f_owner_ex *target_fox; | |
7001 | #endif | |
992f48a0 | 7002 | abi_long ret; |
5f106811 APR |
7003 | int host_cmd = target_to_host_fcntl_cmd(cmd); |
7004 | ||
7005 | if (host_cmd == -TARGET_EINVAL) | |
7006 | return host_cmd; | |
53a5960a | 7007 | |
7775e9ec FB |
7008 | switch(cmd) { |
7009 | case TARGET_F_GETLK: | |
213d3e9e PM |
7010 | ret = copy_from_user_flock(&fl64, arg); |
7011 | if (ret) { | |
7012 | return ret; | |
7013 | } | |
435da5e7 | 7014 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
7775e9ec | 7015 | if (ret == 0) { |
213d3e9e | 7016 | ret = copy_to_user_flock(arg, &fl64); |
7775e9ec FB |
7017 | } |
7018 | break; | |
3b46e624 | 7019 | |
7775e9ec FB |
7020 | case TARGET_F_SETLK: |
7021 | case TARGET_F_SETLKW: | |
213d3e9e PM |
7022 | ret = copy_from_user_flock(&fl64, arg); |
7023 | if (ret) { | |
7024 | return ret; | |
7025 | } | |
435da5e7 | 7026 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
7775e9ec | 7027 | break; |
3b46e624 | 7028 | |
7775e9ec | 7029 | case TARGET_F_GETLK64: |
2d92c682 | 7030 | case TARGET_F_OFD_GETLK: |
213d3e9e PM |
7031 | ret = copy_from_user_flock64(&fl64, arg); |
7032 | if (ret) { | |
7033 | return ret; | |
7034 | } | |
435da5e7 | 7035 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
43f238d7 | 7036 | if (ret == 0) { |
213d3e9e | 7037 | ret = copy_to_user_flock64(arg, &fl64); |
43f238d7 | 7038 | } |
9ee1fa2c | 7039 | break; |
7775e9ec FB |
7040 | case TARGET_F_SETLK64: |
7041 | case TARGET_F_SETLKW64: | |
2d92c682 AS |
7042 | case TARGET_F_OFD_SETLK: |
7043 | case TARGET_F_OFD_SETLKW: | |
213d3e9e PM |
7044 | ret = copy_from_user_flock64(&fl64, arg); |
7045 | if (ret) { | |
7046 | return ret; | |
7047 | } | |
435da5e7 | 7048 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
7775e9ec FB |
7049 | break; |
7050 | ||
5f106811 | 7051 | case TARGET_F_GETFL: |
435da5e7 | 7052 | ret = get_errno(safe_fcntl(fd, host_cmd, arg)); |
9ee1fa2c FB |
7053 | if (ret >= 0) { |
7054 | ret = host_to_target_bitmask(ret, fcntl_flags_tbl); | |
e0ddf8ea HD |
7055 | /* tell 32-bit guests it uses largefile on 64-bit hosts: */ |
7056 | if (O_LARGEFILE == 0 && HOST_LONG_BITS == 64) { | |
7057 | ret |= TARGET_O_LARGEFILE; | |
7058 | } | |
9ee1fa2c | 7059 | } |
ffa65c3b FB |
7060 | break; |
7061 | ||
5f106811 | 7062 | case TARGET_F_SETFL: |
435da5e7 PM |
7063 | ret = get_errno(safe_fcntl(fd, host_cmd, |
7064 | target_to_host_bitmask(arg, | |
7065 | fcntl_flags_tbl))); | |
5f106811 APR |
7066 | break; |
7067 | ||
8d5d3004 AS |
7068 | #ifdef F_GETOWN_EX |
7069 | case TARGET_F_GETOWN_EX: | |
435da5e7 | 7070 | ret = get_errno(safe_fcntl(fd, host_cmd, &fox)); |
8d5d3004 AS |
7071 | if (ret >= 0) { |
7072 | if (!lock_user_struct(VERIFY_WRITE, target_fox, arg, 0)) | |
7073 | return -TARGET_EFAULT; | |
7074 | target_fox->type = tswap32(fox.type); | |
7075 | target_fox->pid = tswap32(fox.pid); | |
7076 | unlock_user_struct(target_fox, arg, 1); | |
7077 | } | |
7078 | break; | |
7079 | #endif | |
7080 | ||
7081 | #ifdef F_SETOWN_EX | |
7082 | case TARGET_F_SETOWN_EX: | |
7083 | if (!lock_user_struct(VERIFY_READ, target_fox, arg, 1)) | |
7084 | return -TARGET_EFAULT; | |
7085 | fox.type = tswap32(target_fox->type); | |
7086 | fox.pid = tswap32(target_fox->pid); | |
7087 | unlock_user_struct(target_fox, arg, 0); | |
435da5e7 | 7088 | ret = get_errno(safe_fcntl(fd, host_cmd, &fox)); |
8d5d3004 AS |
7089 | break; |
7090 | #endif | |
7091 | ||
5f106811 | 7092 | case TARGET_F_SETSIG: |
a7b4c9b1 TB |
7093 | ret = get_errno(safe_fcntl(fd, host_cmd, target_to_host_signal(arg))); |
7094 | break; | |
7095 | ||
5f106811 | 7096 | case TARGET_F_GETSIG: |
a7b4c9b1 TB |
7097 | ret = host_to_target_signal(get_errno(safe_fcntl(fd, host_cmd, arg))); |
7098 | break; | |
7099 | ||
7100 | case TARGET_F_SETOWN: | |
7101 | case TARGET_F_GETOWN: | |
7e22e546 UH |
7102 | case TARGET_F_SETLEASE: |
7103 | case TARGET_F_GETLEASE: | |
7e3b92ec PM |
7104 | case TARGET_F_SETPIPE_SZ: |
7105 | case TARGET_F_GETPIPE_SZ: | |
2bb963ff SCW |
7106 | case TARGET_F_ADD_SEALS: |
7107 | case TARGET_F_GET_SEALS: | |
435da5e7 | 7108 | ret = get_errno(safe_fcntl(fd, host_cmd, arg)); |
ffa65c3b FB |
7109 | break; |
7110 | ||
7775e9ec | 7111 | default: |
435da5e7 | 7112 | ret = get_errno(safe_fcntl(fd, cmd, arg)); |
7775e9ec FB |
7113 | break; |
7114 | } | |
7115 | return ret; | |
7116 | } | |
7117 | ||
67867308 | 7118 | #ifdef USE_UID16 |
7775e9ec | 7119 | |
67867308 FB |
7120 | static inline int high2lowuid(int uid) |
7121 | { | |
7122 | if (uid > 65535) | |
7123 | return 65534; | |
7124 | else | |
7125 | return uid; | |
7126 | } | |
7127 | ||
7128 | static inline int high2lowgid(int gid) | |
7129 | { | |
7130 | if (gid > 65535) | |
7131 | return 65534; | |
7132 | else | |
7133 | return gid; | |
7134 | } | |
7135 | ||
7136 | static inline int low2highuid(int uid) | |
7137 | { | |
7138 | if ((int16_t)uid == -1) | |
7139 | return -1; | |
7140 | else | |
7141 | return uid; | |
7142 | } | |
7143 | ||
7144 | static inline int low2highgid(int gid) | |
7145 | { | |
7146 | if ((int16_t)gid == -1) | |
7147 | return -1; | |
7148 | else | |
7149 | return gid; | |
7150 | } | |
0c866a7e RV |
7151 | static inline int tswapid(int id) |
7152 | { | |
7153 | return tswap16(id); | |
7154 | } | |
76ca310a PM |
7155 | |
7156 | #define put_user_id(x, gaddr) put_user_u16(x, gaddr) | |
7157 | ||
0c866a7e RV |
7158 | #else /* !USE_UID16 */ |
7159 | static inline int high2lowuid(int uid) | |
7160 | { | |
7161 | return uid; | |
7162 | } | |
7163 | static inline int high2lowgid(int gid) | |
7164 | { | |
7165 | return gid; | |
7166 | } | |
7167 | static inline int low2highuid(int uid) | |
7168 | { | |
7169 | return uid; | |
7170 | } | |
7171 | static inline int low2highgid(int gid) | |
7172 | { | |
7173 | return gid; | |
7174 | } | |
7175 | static inline int tswapid(int id) | |
7176 | { | |
7177 | return tswap32(id); | |
7178 | } | |
76ca310a PM |
7179 | |
7180 | #define put_user_id(x, gaddr) put_user_u32(x, gaddr) | |
7181 | ||
67867308 | 7182 | #endif /* USE_UID16 */ |
1b6b029e | 7183 | |
fd6f7798 PM |
7184 | /* We must do direct syscalls for setting UID/GID, because we want to |
7185 | * implement the Linux system call semantics of "change only for this thread", | |
7186 | * not the libc/POSIX semantics of "change for all threads in process". | |
7187 | * (See http://ewontfix.com/17/ for more details.) | |
7188 | * We use the 32-bit version of the syscalls if present; if it is not | |
7189 | * then either the host architecture supports 32-bit UIDs natively with | |
7190 | * the standard syscall, or the 16-bit UID is the best we can do. | |
7191 | */ | |
7192 | #ifdef __NR_setuid32 | |
7193 | #define __NR_sys_setuid __NR_setuid32 | |
7194 | #else | |
7195 | #define __NR_sys_setuid __NR_setuid | |
7196 | #endif | |
7197 | #ifdef __NR_setgid32 | |
7198 | #define __NR_sys_setgid __NR_setgid32 | |
7199 | #else | |
7200 | #define __NR_sys_setgid __NR_setgid | |
7201 | #endif | |
7202 | #ifdef __NR_setresuid32 | |
7203 | #define __NR_sys_setresuid __NR_setresuid32 | |
7204 | #else | |
7205 | #define __NR_sys_setresuid __NR_setresuid | |
7206 | #endif | |
7207 | #ifdef __NR_setresgid32 | |
7208 | #define __NR_sys_setresgid __NR_setresgid32 | |
7209 | #else | |
7210 | #define __NR_sys_setresgid __NR_setresgid | |
7211 | #endif | |
7212 | ||
7213 | _syscall1(int, sys_setuid, uid_t, uid) | |
7214 | _syscall1(int, sys_setgid, gid_t, gid) | |
7215 | _syscall3(int, sys_setresuid, uid_t, ruid, uid_t, euid, uid_t, suid) | |
7216 | _syscall3(int, sys_setresgid, gid_t, rgid, gid_t, egid, gid_t, sgid) | |
7217 | ||
31e31b8a FB |
7218 | void syscall_init(void) |
7219 | { | |
2ab83ea7 FB |
7220 | IOCTLEntry *ie; |
7221 | const argtype *arg_type; | |
7222 | int size; | |
7223 | ||
8be656b8 AG |
7224 | thunk_init(STRUCT_MAX); |
7225 | ||
001faf32 | 7226 | #define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); |
5fafdf24 | 7227 | #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); |
31e31b8a FB |
7228 | #include "syscall_types.h" |
7229 | #undef STRUCT | |
7230 | #undef STRUCT_SPECIAL | |
2ab83ea7 FB |
7231 | |
7232 | /* we patch the ioctl size if necessary. We rely on the fact that | |
7233 | no ioctl has all the bits at '1' in the size field */ | |
7234 | ie = ioctl_entries; | |
7235 | while (ie->target_cmd != 0) { | |
7236 | if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) == | |
7237 | TARGET_IOC_SIZEMASK) { | |
7238 | arg_type = ie->arg_type; | |
7239 | if (arg_type[0] != TYPE_PTR) { | |
5fafdf24 | 7240 | fprintf(stderr, "cannot patch size for ioctl 0x%x\n", |
2ab83ea7 FB |
7241 | ie->target_cmd); |
7242 | exit(1); | |
7243 | } | |
7244 | arg_type++; | |
7245 | size = thunk_type_size(arg_type, 0); | |
5fafdf24 | 7246 | ie->target_cmd = (ie->target_cmd & |
2ab83ea7 FB |
7247 | ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | |
7248 | (size << TARGET_IOC_SIZESHIFT); | |
7249 | } | |
b92c47c1 | 7250 | |
2ab83ea7 | 7251 | /* automatic consistency check if same arch */ |
872ea0c0 AZ |
7252 | #if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \ |
7253 | (defined(__x86_64__) && defined(TARGET_X86_64)) | |
7254 | if (unlikely(ie->target_cmd != ie->host_cmd)) { | |
7255 | fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n", | |
7256 | ie->name, ie->target_cmd, ie->host_cmd); | |
2ab83ea7 FB |
7257 | } |
7258 | #endif | |
7259 | ie++; | |
7260 | } | |
31e31b8a | 7261 | } |
c573ff67 | 7262 | |
ce4defa0 | 7263 | #ifdef TARGET_NR_truncate64 |
a0939b89 | 7264 | static inline abi_long target_truncate64(CPUArchState *cpu_env, const char *arg1, |
992f48a0 BS |
7265 | abi_long arg2, |
7266 | abi_long arg3, | |
7267 | abi_long arg4) | |
ce4defa0 | 7268 | { |
8bf8e9df | 7269 | if (regpairs_aligned(cpu_env, TARGET_NR_truncate64)) { |
ce4defa0 PB |
7270 | arg2 = arg3; |
7271 | arg3 = arg4; | |
48e515d4 | 7272 | } |
ce4defa0 PB |
7273 | return get_errno(truncate64(arg1, target_offset64(arg2, arg3))); |
7274 | } | |
7275 | #endif | |
7276 | ||
7277 | #ifdef TARGET_NR_ftruncate64 | |
a0939b89 | 7278 | static inline abi_long target_ftruncate64(CPUArchState *cpu_env, abi_long arg1, |
992f48a0 BS |
7279 | abi_long arg2, |
7280 | abi_long arg3, | |
7281 | abi_long arg4) | |
ce4defa0 | 7282 | { |
8bf8e9df | 7283 | if (regpairs_aligned(cpu_env, TARGET_NR_ftruncate64)) { |
ce4defa0 PB |
7284 | arg2 = arg3; |
7285 | arg3 = arg4; | |
48e515d4 | 7286 | } |
ce4defa0 PB |
7287 | return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3))); |
7288 | } | |
7289 | #endif | |
7290 | ||
859e8a89 AF |
7291 | #if defined(TARGET_NR_timer_settime) || \ |
7292 | (defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD)) | |
2c86c90f | 7293 | static inline abi_long target_to_host_itimerspec(struct itimerspec *host_its, |
f4f1e10a ECL |
7294 | abi_ulong target_addr) |
7295 | { | |
2c86c90f FB |
7296 | if (target_to_host_timespec(&host_its->it_interval, target_addr + |
7297 | offsetof(struct target_itimerspec, | |
7298 | it_interval)) || | |
7299 | target_to_host_timespec(&host_its->it_value, target_addr + | |
7300 | offsetof(struct target_itimerspec, | |
7301 | it_value))) { | |
f4f1e10a ECL |
7302 | return -TARGET_EFAULT; |
7303 | } | |
7304 | ||
f4f1e10a ECL |
7305 | return 0; |
7306 | } | |
859e8a89 | 7307 | #endif |
f4f1e10a | 7308 | |
828cb3a1 FB |
7309 | #if defined(TARGET_NR_timer_settime64) || \ |
7310 | (defined(TARGET_NR_timerfd_settime64) && defined(CONFIG_TIMERFD)) | |
7311 | static inline abi_long target_to_host_itimerspec64(struct itimerspec *host_its, | |
7312 | abi_ulong target_addr) | |
7313 | { | |
7314 | if (target_to_host_timespec64(&host_its->it_interval, target_addr + | |
7315 | offsetof(struct target__kernel_itimerspec, | |
7316 | it_interval)) || | |
7317 | target_to_host_timespec64(&host_its->it_value, target_addr + | |
7318 | offsetof(struct target__kernel_itimerspec, | |
7319 | it_value))) { | |
7320 | return -TARGET_EFAULT; | |
7321 | } | |
7322 | ||
7323 | return 0; | |
7324 | } | |
7325 | #endif | |
7326 | ||
859e8a89 AF |
7327 | #if ((defined(TARGET_NR_timerfd_gettime) || \ |
7328 | defined(TARGET_NR_timerfd_settime)) && defined(CONFIG_TIMERFD)) || \ | |
2c86c90f | 7329 | defined(TARGET_NR_timer_gettime) || defined(TARGET_NR_timer_settime) |
f4f1e10a | 7330 | static inline abi_long host_to_target_itimerspec(abi_ulong target_addr, |
2c86c90f FB |
7331 | struct itimerspec *host_its) |
7332 | { | |
7333 | if (host_to_target_timespec(target_addr + offsetof(struct target_itimerspec, | |
7334 | it_interval), | |
7335 | &host_its->it_interval) || | |
7336 | host_to_target_timespec(target_addr + offsetof(struct target_itimerspec, | |
7337 | it_value), | |
7338 | &host_its->it_value)) { | |
f4f1e10a ECL |
7339 | return -TARGET_EFAULT; |
7340 | } | |
f4f1e10a ECL |
7341 | return 0; |
7342 | } | |
859e8a89 | 7343 | #endif |
f4f1e10a | 7344 | |
828cb3a1 FB |
7345 | #if ((defined(TARGET_NR_timerfd_gettime64) || \ |
7346 | defined(TARGET_NR_timerfd_settime64)) && defined(CONFIG_TIMERFD)) || \ | |
7347 | defined(TARGET_NR_timer_gettime64) || defined(TARGET_NR_timer_settime64) | |
7348 | static inline abi_long host_to_target_itimerspec64(abi_ulong target_addr, | |
7349 | struct itimerspec *host_its) | |
7350 | { | |
7351 | if (host_to_target_timespec64(target_addr + | |
7352 | offsetof(struct target__kernel_itimerspec, | |
7353 | it_interval), | |
7354 | &host_its->it_interval) || | |
7355 | host_to_target_timespec64(target_addr + | |
7356 | offsetof(struct target__kernel_itimerspec, | |
7357 | it_value), | |
7358 | &host_its->it_value)) { | |
7359 | return -TARGET_EFAULT; | |
7360 | } | |
7361 | return 0; | |
7362 | } | |
7363 | #endif | |
7364 | ||
859e8a89 AF |
7365 | #if defined(TARGET_NR_adjtimex) || \ |
7366 | (defined(TARGET_NR_clock_adjtime) && defined(CONFIG_CLOCK_ADJTIME)) | |
19f59bce AM |
7367 | static inline abi_long target_to_host_timex(struct timex *host_tx, |
7368 | abi_long target_addr) | |
7369 | { | |
7370 | struct target_timex *target_tx; | |
7371 | ||
7372 | if (!lock_user_struct(VERIFY_READ, target_tx, target_addr, 1)) { | |
7373 | return -TARGET_EFAULT; | |
7374 | } | |
7375 | ||
7376 | __get_user(host_tx->modes, &target_tx->modes); | |
7377 | __get_user(host_tx->offset, &target_tx->offset); | |
7378 | __get_user(host_tx->freq, &target_tx->freq); | |
7379 | __get_user(host_tx->maxerror, &target_tx->maxerror); | |
7380 | __get_user(host_tx->esterror, &target_tx->esterror); | |
7381 | __get_user(host_tx->status, &target_tx->status); | |
7382 | __get_user(host_tx->constant, &target_tx->constant); | |
7383 | __get_user(host_tx->precision, &target_tx->precision); | |
7384 | __get_user(host_tx->tolerance, &target_tx->tolerance); | |
7385 | __get_user(host_tx->time.tv_sec, &target_tx->time.tv_sec); | |
7386 | __get_user(host_tx->time.tv_usec, &target_tx->time.tv_usec); | |
7387 | __get_user(host_tx->tick, &target_tx->tick); | |
7388 | __get_user(host_tx->ppsfreq, &target_tx->ppsfreq); | |
7389 | __get_user(host_tx->jitter, &target_tx->jitter); | |
7390 | __get_user(host_tx->shift, &target_tx->shift); | |
7391 | __get_user(host_tx->stabil, &target_tx->stabil); | |
7392 | __get_user(host_tx->jitcnt, &target_tx->jitcnt); | |
7393 | __get_user(host_tx->calcnt, &target_tx->calcnt); | |
7394 | __get_user(host_tx->errcnt, &target_tx->errcnt); | |
7395 | __get_user(host_tx->stbcnt, &target_tx->stbcnt); | |
7396 | __get_user(host_tx->tai, &target_tx->tai); | |
7397 | ||
7398 | unlock_user_struct(target_tx, target_addr, 0); | |
7399 | return 0; | |
7400 | } | |
7401 | ||
7402 | static inline abi_long host_to_target_timex(abi_long target_addr, | |
7403 | struct timex *host_tx) | |
7404 | { | |
7405 | struct target_timex *target_tx; | |
7406 | ||
7407 | if (!lock_user_struct(VERIFY_WRITE, target_tx, target_addr, 0)) { | |
7408 | return -TARGET_EFAULT; | |
7409 | } | |
7410 | ||
7411 | __put_user(host_tx->modes, &target_tx->modes); | |
7412 | __put_user(host_tx->offset, &target_tx->offset); | |
7413 | __put_user(host_tx->freq, &target_tx->freq); | |
7414 | __put_user(host_tx->maxerror, &target_tx->maxerror); | |
7415 | __put_user(host_tx->esterror, &target_tx->esterror); | |
7416 | __put_user(host_tx->status, &target_tx->status); | |
7417 | __put_user(host_tx->constant, &target_tx->constant); | |
7418 | __put_user(host_tx->precision, &target_tx->precision); | |
7419 | __put_user(host_tx->tolerance, &target_tx->tolerance); | |
7420 | __put_user(host_tx->time.tv_sec, &target_tx->time.tv_sec); | |
7421 | __put_user(host_tx->time.tv_usec, &target_tx->time.tv_usec); | |
7422 | __put_user(host_tx->tick, &target_tx->tick); | |
7423 | __put_user(host_tx->ppsfreq, &target_tx->ppsfreq); | |
7424 | __put_user(host_tx->jitter, &target_tx->jitter); | |
7425 | __put_user(host_tx->shift, &target_tx->shift); | |
7426 | __put_user(host_tx->stabil, &target_tx->stabil); | |
7427 | __put_user(host_tx->jitcnt, &target_tx->jitcnt); | |
7428 | __put_user(host_tx->calcnt, &target_tx->calcnt); | |
7429 | __put_user(host_tx->errcnt, &target_tx->errcnt); | |
7430 | __put_user(host_tx->stbcnt, &target_tx->stbcnt); | |
7431 | __put_user(host_tx->tai, &target_tx->tai); | |
7432 | ||
7433 | unlock_user_struct(target_tx, target_addr, 1); | |
7434 | return 0; | |
7435 | } | |
859e8a89 | 7436 | #endif |
19f59bce | 7437 | |
6ac03b2c FB |
7438 | |
7439 | #if defined(TARGET_NR_clock_adjtime64) && defined(CONFIG_CLOCK_ADJTIME) | |
7440 | static inline abi_long target_to_host_timex64(struct timex *host_tx, | |
7441 | abi_long target_addr) | |
7442 | { | |
7443 | struct target__kernel_timex *target_tx; | |
7444 | ||
7445 | if (copy_from_user_timeval64(&host_tx->time, target_addr + | |
7446 | offsetof(struct target__kernel_timex, | |
7447 | time))) { | |
7448 | return -TARGET_EFAULT; | |
7449 | } | |
7450 | ||
7451 | if (!lock_user_struct(VERIFY_READ, target_tx, target_addr, 1)) { | |
7452 | return -TARGET_EFAULT; | |
7453 | } | |
7454 | ||
7455 | __get_user(host_tx->modes, &target_tx->modes); | |
7456 | __get_user(host_tx->offset, &target_tx->offset); | |
7457 | __get_user(host_tx->freq, &target_tx->freq); | |
7458 | __get_user(host_tx->maxerror, &target_tx->maxerror); | |
7459 | __get_user(host_tx->esterror, &target_tx->esterror); | |
7460 | __get_user(host_tx->status, &target_tx->status); | |
7461 | __get_user(host_tx->constant, &target_tx->constant); | |
7462 | __get_user(host_tx->precision, &target_tx->precision); | |
7463 | __get_user(host_tx->tolerance, &target_tx->tolerance); | |
7464 | __get_user(host_tx->tick, &target_tx->tick); | |
7465 | __get_user(host_tx->ppsfreq, &target_tx->ppsfreq); | |
7466 | __get_user(host_tx->jitter, &target_tx->jitter); | |
7467 | __get_user(host_tx->shift, &target_tx->shift); | |
7468 | __get_user(host_tx->stabil, &target_tx->stabil); | |
7469 | __get_user(host_tx->jitcnt, &target_tx->jitcnt); | |
7470 | __get_user(host_tx->calcnt, &target_tx->calcnt); | |
7471 | __get_user(host_tx->errcnt, &target_tx->errcnt); | |
7472 | __get_user(host_tx->stbcnt, &target_tx->stbcnt); | |
7473 | __get_user(host_tx->tai, &target_tx->tai); | |
7474 | ||
7475 | unlock_user_struct(target_tx, target_addr, 0); | |
7476 | return 0; | |
7477 | } | |
7478 | ||
7479 | static inline abi_long host_to_target_timex64(abi_long target_addr, | |
7480 | struct timex *host_tx) | |
7481 | { | |
7482 | struct target__kernel_timex *target_tx; | |
7483 | ||
7484 | if (copy_to_user_timeval64(target_addr + | |
7485 | offsetof(struct target__kernel_timex, time), | |
7486 | &host_tx->time)) { | |
7487 | return -TARGET_EFAULT; | |
7488 | } | |
7489 | ||
7490 | if (!lock_user_struct(VERIFY_WRITE, target_tx, target_addr, 0)) { | |
7491 | return -TARGET_EFAULT; | |
7492 | } | |
7493 | ||
7494 | __put_user(host_tx->modes, &target_tx->modes); | |
7495 | __put_user(host_tx->offset, &target_tx->offset); | |
7496 | __put_user(host_tx->freq, &target_tx->freq); | |
7497 | __put_user(host_tx->maxerror, &target_tx->maxerror); | |
7498 | __put_user(host_tx->esterror, &target_tx->esterror); | |
7499 | __put_user(host_tx->status, &target_tx->status); | |
7500 | __put_user(host_tx->constant, &target_tx->constant); | |
7501 | __put_user(host_tx->precision, &target_tx->precision); | |
7502 | __put_user(host_tx->tolerance, &target_tx->tolerance); | |
7503 | __put_user(host_tx->tick, &target_tx->tick); | |
7504 | __put_user(host_tx->ppsfreq, &target_tx->ppsfreq); | |
7505 | __put_user(host_tx->jitter, &target_tx->jitter); | |
7506 | __put_user(host_tx->shift, &target_tx->shift); | |
7507 | __put_user(host_tx->stabil, &target_tx->stabil); | |
7508 | __put_user(host_tx->jitcnt, &target_tx->jitcnt); | |
7509 | __put_user(host_tx->calcnt, &target_tx->calcnt); | |
7510 | __put_user(host_tx->errcnt, &target_tx->errcnt); | |
7511 | __put_user(host_tx->stbcnt, &target_tx->stbcnt); | |
7512 | __put_user(host_tx->tai, &target_tx->tai); | |
7513 | ||
7514 | unlock_user_struct(target_tx, target_addr, 1); | |
7515 | return 0; | |
7516 | } | |
7517 | #endif | |
7518 | ||
96ff758c MF |
7519 | #ifndef HAVE_SIGEV_NOTIFY_THREAD_ID |
7520 | #define sigev_notify_thread_id _sigev_un._tid | |
7521 | #endif | |
7522 | ||
c065976f PM |
7523 | static inline abi_long target_to_host_sigevent(struct sigevent *host_sevp, |
7524 | abi_ulong target_addr) | |
7525 | { | |
7526 | struct target_sigevent *target_sevp; | |
7527 | ||
7528 | if (!lock_user_struct(VERIFY_READ, target_sevp, target_addr, 1)) { | |
7529 | return -TARGET_EFAULT; | |
7530 | } | |
7531 | ||
7532 | /* This union is awkward on 64 bit systems because it has a 32 bit | |
7533 | * integer and a pointer in it; we follow the conversion approach | |
7534 | * used for handling sigval types in signal.c so the guest should get | |
7535 | * the correct value back even if we did a 64 bit byteswap and it's | |
7536 | * using the 32 bit integer. | |
7537 | */ | |
7538 | host_sevp->sigev_value.sival_ptr = | |
7539 | (void *)(uintptr_t)tswapal(target_sevp->sigev_value.sival_ptr); | |
7540 | host_sevp->sigev_signo = | |
7541 | target_to_host_signal(tswap32(target_sevp->sigev_signo)); | |
7542 | host_sevp->sigev_notify = tswap32(target_sevp->sigev_notify); | |
96ff758c | 7543 | host_sevp->sigev_notify_thread_id = tswap32(target_sevp->_sigev_un._tid); |
c065976f PM |
7544 | |
7545 | unlock_user_struct(target_sevp, target_addr, 1); | |
7546 | return 0; | |
7547 | } | |
7548 | ||
6f6a4032 TM |
7549 | #if defined(TARGET_NR_mlockall) |
7550 | static inline int target_to_host_mlockall_arg(int arg) | |
7551 | { | |
7552 | int result = 0; | |
7553 | ||
02e5d7d7 | 7554 | if (arg & TARGET_MCL_CURRENT) { |
6f6a4032 TM |
7555 | result |= MCL_CURRENT; |
7556 | } | |
02e5d7d7 | 7557 | if (arg & TARGET_MCL_FUTURE) { |
6f6a4032 TM |
7558 | result |= MCL_FUTURE; |
7559 | } | |
02e5d7d7 FB |
7560 | #ifdef MCL_ONFAULT |
7561 | if (arg & TARGET_MCL_ONFAULT) { | |
7562 | result |= MCL_ONFAULT; | |
7563 | } | |
7564 | #endif | |
7565 | ||
6f6a4032 TM |
7566 | return result; |
7567 | } | |
7568 | #endif | |
7569 | ||
fe080593 HD |
7570 | static inline int target_to_host_msync_arg(abi_long arg) |
7571 | { | |
7572 | return ((arg & TARGET_MS_ASYNC) ? MS_ASYNC : 0) | | |
7573 | ((arg & TARGET_MS_INVALIDATE) ? MS_INVALIDATE : 0) | | |
7574 | ((arg & TARGET_MS_SYNC) ? MS_SYNC : 0) | | |
7575 | (arg & ~(TARGET_MS_ASYNC | TARGET_MS_INVALIDATE | TARGET_MS_SYNC)); | |
7576 | } | |
7577 | ||
4f7f8924 AR |
7578 | #if (defined(TARGET_NR_stat64) || defined(TARGET_NR_lstat64) || \ |
7579 | defined(TARGET_NR_fstat64) || defined(TARGET_NR_fstatat64) || \ | |
7580 | defined(TARGET_NR_newfstatat)) | |
a0939b89 | 7581 | static inline abi_long host_to_target_stat64(CPUArchState *cpu_env, |
6a24a778 AZ |
7582 | abi_ulong target_addr, |
7583 | struct stat *host_st) | |
7584 | { | |
09701199 | 7585 | #if defined(TARGET_ARM) && defined(TARGET_ABI32) |
0effdc29 | 7586 | if (cpu_env->eabi) { |
6a24a778 AZ |
7587 | struct target_eabi_stat64 *target_st; |
7588 | ||
7589 | if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) | |
7590 | return -TARGET_EFAULT; | |
7591 | memset(target_st, 0, sizeof(struct target_eabi_stat64)); | |
7592 | __put_user(host_st->st_dev, &target_st->st_dev); | |
7593 | __put_user(host_st->st_ino, &target_st->st_ino); | |
7594 | #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO | |
7595 | __put_user(host_st->st_ino, &target_st->__st_ino); | |
7596 | #endif | |
7597 | __put_user(host_st->st_mode, &target_st->st_mode); | |
7598 | __put_user(host_st->st_nlink, &target_st->st_nlink); | |
7599 | __put_user(host_st->st_uid, &target_st->st_uid); | |
7600 | __put_user(host_st->st_gid, &target_st->st_gid); | |
7601 | __put_user(host_st->st_rdev, &target_st->st_rdev); | |
7602 | __put_user(host_st->st_size, &target_st->st_size); | |
7603 | __put_user(host_st->st_blksize, &target_st->st_blksize); | |
7604 | __put_user(host_st->st_blocks, &target_st->st_blocks); | |
7605 | __put_user(host_st->st_atime, &target_st->target_st_atime); | |
7606 | __put_user(host_st->st_mtime, &target_st->target_st_mtime); | |
7607 | __put_user(host_st->st_ctime, &target_st->target_st_ctime); | |
febf6fad | 7608 | #ifdef HAVE_STRUCT_STAT_ST_ATIM |
5f992db6 CYT |
7609 | __put_user(host_st->st_atim.tv_nsec, &target_st->target_st_atime_nsec); |
7610 | __put_user(host_st->st_mtim.tv_nsec, &target_st->target_st_mtime_nsec); | |
7611 | __put_user(host_st->st_ctim.tv_nsec, &target_st->target_st_ctime_nsec); | |
7612 | #endif | |
6a24a778 AZ |
7613 | unlock_user_struct(target_st, target_addr, 1); |
7614 | } else | |
7615 | #endif | |
7616 | { | |
20d155bc | 7617 | #if defined(TARGET_HAS_STRUCT_STAT64) |
6a24a778 | 7618 | struct target_stat64 *target_st; |
20d155bc SW |
7619 | #else |
7620 | struct target_stat *target_st; | |
9d33b76b | 7621 | #endif |
6a24a778 AZ |
7622 | |
7623 | if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) | |
7624 | return -TARGET_EFAULT; | |
9d33b76b | 7625 | memset(target_st, 0, sizeof(*target_st)); |
6a24a778 AZ |
7626 | __put_user(host_st->st_dev, &target_st->st_dev); |
7627 | __put_user(host_st->st_ino, &target_st->st_ino); | |
7628 | #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO | |
7629 | __put_user(host_st->st_ino, &target_st->__st_ino); | |
7630 | #endif | |
7631 | __put_user(host_st->st_mode, &target_st->st_mode); | |
7632 | __put_user(host_st->st_nlink, &target_st->st_nlink); | |
7633 | __put_user(host_st->st_uid, &target_st->st_uid); | |
7634 | __put_user(host_st->st_gid, &target_st->st_gid); | |
7635 | __put_user(host_st->st_rdev, &target_st->st_rdev); | |
7636 | /* XXX: better use of kernel struct */ | |
7637 | __put_user(host_st->st_size, &target_st->st_size); | |
7638 | __put_user(host_st->st_blksize, &target_st->st_blksize); | |
7639 | __put_user(host_st->st_blocks, &target_st->st_blocks); | |
7640 | __put_user(host_st->st_atime, &target_st->target_st_atime); | |
7641 | __put_user(host_st->st_mtime, &target_st->target_st_mtime); | |
7642 | __put_user(host_st->st_ctime, &target_st->target_st_ctime); | |
febf6fad | 7643 | #ifdef HAVE_STRUCT_STAT_ST_ATIM |
5f992db6 CYT |
7644 | __put_user(host_st->st_atim.tv_nsec, &target_st->target_st_atime_nsec); |
7645 | __put_user(host_st->st_mtim.tv_nsec, &target_st->target_st_mtime_nsec); | |
7646 | __put_user(host_st->st_ctim.tv_nsec, &target_st->target_st_ctime_nsec); | |
7647 | #endif | |
6a24a778 AZ |
7648 | unlock_user_struct(target_st, target_addr, 1); |
7649 | } | |
7650 | ||
7651 | return 0; | |
7652 | } | |
4f7f8924 | 7653 | #endif |
6a24a778 | 7654 | |
efa92184 AR |
7655 | #if defined(TARGET_NR_statx) && defined(__NR_statx) |
7656 | static inline abi_long host_to_target_statx(struct target_statx *host_stx, | |
7657 | abi_ulong target_addr) | |
7658 | { | |
7659 | struct target_statx *target_stx; | |
7660 | ||
7661 | if (!lock_user_struct(VERIFY_WRITE, target_stx, target_addr, 0)) { | |
7662 | return -TARGET_EFAULT; | |
7663 | } | |
7664 | memset(target_stx, 0, sizeof(*target_stx)); | |
7665 | ||
7666 | __put_user(host_stx->stx_mask, &target_stx->stx_mask); | |
7667 | __put_user(host_stx->stx_blksize, &target_stx->stx_blksize); | |
7668 | __put_user(host_stx->stx_attributes, &target_stx->stx_attributes); | |
7669 | __put_user(host_stx->stx_nlink, &target_stx->stx_nlink); | |
7670 | __put_user(host_stx->stx_uid, &target_stx->stx_uid); | |
7671 | __put_user(host_stx->stx_gid, &target_stx->stx_gid); | |
7672 | __put_user(host_stx->stx_mode, &target_stx->stx_mode); | |
7673 | __put_user(host_stx->stx_ino, &target_stx->stx_ino); | |
7674 | __put_user(host_stx->stx_size, &target_stx->stx_size); | |
7675 | __put_user(host_stx->stx_blocks, &target_stx->stx_blocks); | |
7676 | __put_user(host_stx->stx_attributes_mask, &target_stx->stx_attributes_mask); | |
7677 | __put_user(host_stx->stx_atime.tv_sec, &target_stx->stx_atime.tv_sec); | |
7678 | __put_user(host_stx->stx_atime.tv_nsec, &target_stx->stx_atime.tv_nsec); | |
d1e26707 AC |
7679 | __put_user(host_stx->stx_btime.tv_sec, &target_stx->stx_btime.tv_sec); |
7680 | __put_user(host_stx->stx_btime.tv_nsec, &target_stx->stx_btime.tv_nsec); | |
7681 | __put_user(host_stx->stx_ctime.tv_sec, &target_stx->stx_ctime.tv_sec); | |
7682 | __put_user(host_stx->stx_ctime.tv_nsec, &target_stx->stx_ctime.tv_nsec); | |
7683 | __put_user(host_stx->stx_mtime.tv_sec, &target_stx->stx_mtime.tv_sec); | |
7684 | __put_user(host_stx->stx_mtime.tv_nsec, &target_stx->stx_mtime.tv_nsec); | |
efa92184 AR |
7685 | __put_user(host_stx->stx_rdev_major, &target_stx->stx_rdev_major); |
7686 | __put_user(host_stx->stx_rdev_minor, &target_stx->stx_rdev_minor); | |
7687 | __put_user(host_stx->stx_dev_major, &target_stx->stx_dev_major); | |
7688 | __put_user(host_stx->stx_dev_minor, &target_stx->stx_dev_minor); | |
7689 | ||
7690 | unlock_user_struct(target_stx, target_addr, 1); | |
7691 | ||
7692 | return 0; | |
7693 | } | |
7694 | #endif | |
7695 | ||
14690296 AF |
7696 | static int do_sys_futex(int *uaddr, int op, int val, |
7697 | const struct timespec *timeout, int *uaddr2, | |
7698 | int val3) | |
7699 | { | |
7700 | #if HOST_LONG_BITS == 64 | |
7701 | #if defined(__NR_futex) | |
7702 | /* always a 64-bit time_t, it doesn't define _time64 version */ | |
7703 | return sys_futex(uaddr, op, val, timeout, uaddr2, val3); | |
7704 | ||
7705 | #endif | |
7706 | #else /* HOST_LONG_BITS == 64 */ | |
7707 | #if defined(__NR_futex_time64) | |
7708 | if (sizeof(timeout->tv_sec) == 8) { | |
7709 | /* _time64 function on 32bit arch */ | |
7710 | return sys_futex_time64(uaddr, op, val, timeout, uaddr2, val3); | |
7711 | } | |
7712 | #endif | |
7713 | #if defined(__NR_futex) | |
7714 | /* old function on 32bit arch */ | |
7715 | return sys_futex(uaddr, op, val, timeout, uaddr2, val3); | |
7716 | #endif | |
7717 | #endif /* HOST_LONG_BITS == 64 */ | |
7718 | g_assert_not_reached(); | |
7719 | } | |
7720 | ||
7721 | static int do_safe_futex(int *uaddr, int op, int val, | |
7722 | const struct timespec *timeout, int *uaddr2, | |
7723 | int val3) | |
7724 | { | |
7725 | #if HOST_LONG_BITS == 64 | |
7726 | #if defined(__NR_futex) | |
7727 | /* always a 64-bit time_t, it doesn't define _time64 version */ | |
7728 | return get_errno(safe_futex(uaddr, op, val, timeout, uaddr2, val3)); | |
7729 | #endif | |
7730 | #else /* HOST_LONG_BITS == 64 */ | |
7731 | #if defined(__NR_futex_time64) | |
7732 | if (sizeof(timeout->tv_sec) == 8) { | |
7733 | /* _time64 function on 32bit arch */ | |
7734 | return get_errno(safe_futex_time64(uaddr, op, val, timeout, uaddr2, | |
7735 | val3)); | |
7736 | } | |
7737 | #endif | |
7738 | #if defined(__NR_futex) | |
7739 | /* old function on 32bit arch */ | |
7740 | return get_errno(safe_futex(uaddr, op, val, timeout, uaddr2, val3)); | |
7741 | #endif | |
7742 | #endif /* HOST_LONG_BITS == 64 */ | |
7743 | return -TARGET_ENOSYS; | |
7744 | } | |
efa92184 | 7745 | |
bd0c5661 PB |
7746 | /* ??? Using host futex calls even when target atomic operations |
7747 | are not really atomic probably breaks things. However implementing | |
7748 | futexes locally would make futexes shared between multiple processes | |
7749 | tricky. However they're probably useless because guest atomic | |
7750 | operations won't work either. */ | |
0fbc0f8d RH |
7751 | #if defined(TARGET_NR_futex) || defined(TARGET_NR_futex_time64) |
7752 | static int do_futex(CPUState *cpu, bool time64, target_ulong uaddr, | |
7753 | int op, int val, target_ulong timeout, | |
7754 | target_ulong uaddr2, int val3) | |
bd0c5661 | 7755 | { |
57b9ccd4 RH |
7756 | struct timespec ts, *pts = NULL; |
7757 | void *haddr2 = NULL; | |
a16aae0c | 7758 | int base_op; |
bd0c5661 | 7759 | |
57b9ccd4 | 7760 | /* We assume FUTEX_* constants are the same on both host and target. */ |
a29ccd63 | 7761 | #ifdef FUTEX_CMD_MASK |
a16aae0c | 7762 | base_op = op & FUTEX_CMD_MASK; |
a29ccd63 | 7763 | #else |
a16aae0c | 7764 | base_op = op; |
a29ccd63 | 7765 | #endif |
a16aae0c | 7766 | switch (base_op) { |
bd0c5661 | 7767 | case FUTEX_WAIT: |
cce246e0 | 7768 | case FUTEX_WAIT_BITSET: |
57b9ccd4 RH |
7769 | val = tswap32(val); |
7770 | break; | |
c72a90df RH |
7771 | case FUTEX_WAIT_REQUEUE_PI: |
7772 | val = tswap32(val); | |
7773 | haddr2 = g2h(cpu, uaddr2); | |
7774 | break; | |
7775 | case FUTEX_LOCK_PI: | |
7776 | case FUTEX_LOCK_PI2: | |
7777 | break; | |
bd0c5661 | 7778 | case FUTEX_WAKE: |
a6180f8a | 7779 | case FUTEX_WAKE_BITSET: |
c72a90df RH |
7780 | case FUTEX_TRYLOCK_PI: |
7781 | case FUTEX_UNLOCK_PI: | |
57b9ccd4 RH |
7782 | timeout = 0; |
7783 | break; | |
bd0c5661 | 7784 | case FUTEX_FD: |
0f946731 | 7785 | val = target_to_host_signal(val); |
57b9ccd4 RH |
7786 | timeout = 0; |
7787 | break; | |
bd0c5661 | 7788 | case FUTEX_CMP_REQUEUE: |
c72a90df | 7789 | case FUTEX_CMP_REQUEUE_PI: |
57b9ccd4 RH |
7790 | val3 = tswap32(val3); |
7791 | /* fall through */ | |
7792 | case FUTEX_REQUEUE: | |
a16aae0c | 7793 | case FUTEX_WAKE_OP: |
57b9ccd4 RH |
7794 | /* |
7795 | * For these, the 4th argument is not TIMEOUT, but VAL2. | |
7796 | * But the prototype of do_safe_futex takes a pointer, so | |
7797 | * insert casts to satisfy the compiler. We do not need | |
7798 | * to tswap VAL2 since it's not compared to guest memory. | |
7799 | */ | |
7800 | pts = (struct timespec *)(uintptr_t)timeout; | |
7801 | timeout = 0; | |
7802 | haddr2 = g2h(cpu, uaddr2); | |
7803 | break; | |
bd0c5661 PB |
7804 | default: |
7805 | return -TARGET_ENOSYS; | |
7806 | } | |
57b9ccd4 RH |
7807 | if (timeout) { |
7808 | pts = &ts; | |
7809 | if (time64 | |
7810 | ? target_to_host_timespec64(pts, timeout) | |
7811 | : target_to_host_timespec(pts, timeout)) { | |
7812 | return -TARGET_EFAULT; | |
7813 | } | |
7814 | } | |
7815 | return do_safe_futex(g2h(cpu, uaddr), op, val, pts, haddr2, val3); | |
bd0c5661 | 7816 | } |
859e8a89 | 7817 | #endif |
14690296 | 7818 | |
0f0426f3 LV |
7819 | #if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) |
7820 | static abi_long do_name_to_handle_at(abi_long dirfd, abi_long pathname, | |
7821 | abi_long handle, abi_long mount_id, | |
7822 | abi_long flags) | |
7823 | { | |
7824 | struct file_handle *target_fh; | |
7825 | struct file_handle *fh; | |
7826 | int mid = 0; | |
7827 | abi_long ret; | |
7828 | char *name; | |
7829 | unsigned int size, total_size; | |
7830 | ||
7831 | if (get_user_s32(size, handle)) { | |
7832 | return -TARGET_EFAULT; | |
7833 | } | |
7834 | ||
7835 | name = lock_user_string(pathname); | |
7836 | if (!name) { | |
7837 | return -TARGET_EFAULT; | |
7838 | } | |
7839 | ||
7840 | total_size = sizeof(struct file_handle) + size; | |
7841 | target_fh = lock_user(VERIFY_WRITE, handle, total_size, 0); | |
7842 | if (!target_fh) { | |
7843 | unlock_user(name, pathname, 0); | |
7844 | return -TARGET_EFAULT; | |
7845 | } | |
7846 | ||
7847 | fh = g_malloc0(total_size); | |
7848 | fh->handle_bytes = size; | |
7849 | ||
7850 | ret = get_errno(name_to_handle_at(dirfd, path(name), fh, &mid, flags)); | |
7851 | unlock_user(name, pathname, 0); | |
7852 | ||
7853 | /* man name_to_handle_at(2): | |
7854 | * Other than the use of the handle_bytes field, the caller should treat | |
7855 | * the file_handle structure as an opaque data type | |
7856 | */ | |
7857 | ||
7858 | memcpy(target_fh, fh, total_size); | |
7859 | target_fh->handle_bytes = tswap32(fh->handle_bytes); | |
7860 | target_fh->handle_type = tswap32(fh->handle_type); | |
7861 | g_free(fh); | |
7862 | unlock_user(target_fh, handle, total_size); | |
7863 | ||
7864 | if (put_user_s32(mid, mount_id)) { | |
7865 | return -TARGET_EFAULT; | |
7866 | } | |
7867 | ||
7868 | return ret; | |
7869 | ||
7870 | } | |
7871 | #endif | |
7872 | ||
7873 | #if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) | |
7874 | static abi_long do_open_by_handle_at(abi_long mount_fd, abi_long handle, | |
7875 | abi_long flags) | |
7876 | { | |
7877 | struct file_handle *target_fh; | |
7878 | struct file_handle *fh; | |
7879 | unsigned int size, total_size; | |
7880 | abi_long ret; | |
7881 | ||
7882 | if (get_user_s32(size, handle)) { | |
7883 | return -TARGET_EFAULT; | |
7884 | } | |
7885 | ||
7886 | total_size = sizeof(struct file_handle) + size; | |
7887 | target_fh = lock_user(VERIFY_READ, handle, total_size, 1); | |
7888 | if (!target_fh) { | |
7889 | return -TARGET_EFAULT; | |
7890 | } | |
7891 | ||
e9d49d51 | 7892 | fh = g_memdup(target_fh, total_size); |
0f0426f3 LV |
7893 | fh->handle_bytes = size; |
7894 | fh->handle_type = tswap32(target_fh->handle_type); | |
7895 | ||
7896 | ret = get_errno(open_by_handle_at(mount_fd, fh, | |
7897 | target_to_host_bitmask(flags, fcntl_flags_tbl))); | |
7898 | ||
7899 | g_free(fh); | |
7900 | ||
7901 | unlock_user(target_fh, handle, total_size); | |
7902 | ||
7903 | return ret; | |
7904 | } | |
7905 | #endif | |
bd0c5661 | 7906 | |
e36800c9 LV |
7907 | #if defined(TARGET_NR_signalfd) || defined(TARGET_NR_signalfd4) |
7908 | ||
e36800c9 LV |
7909 | static abi_long do_signalfd4(int fd, abi_long mask, int flags) |
7910 | { | |
7911 | int host_flags; | |
7912 | target_sigset_t *target_mask; | |
7913 | sigset_t host_mask; | |
7914 | abi_long ret; | |
7915 | ||
78721301 | 7916 | if (flags & ~(TARGET_O_NONBLOCK_MASK | TARGET_O_CLOEXEC)) { |
e36800c9 LV |
7917 | return -TARGET_EINVAL; |
7918 | } | |
7919 | if (!lock_user_struct(VERIFY_READ, target_mask, mask, 1)) { | |
7920 | return -TARGET_EFAULT; | |
7921 | } | |
7922 | ||
7923 | target_to_host_sigset(&host_mask, target_mask); | |
7924 | ||
7925 | host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl); | |
7926 | ||
7927 | ret = get_errno(signalfd(fd, &host_mask, host_flags)); | |
7928 | if (ret >= 0) { | |
7929 | fd_trans_register(ret, &target_signalfd_trans); | |
7930 | } | |
7931 | ||
7932 | unlock_user_struct(target_mask, mask, 0); | |
7933 | ||
7934 | return ret; | |
7935 | } | |
7936 | #endif | |
7937 | ||
1d9d8b55 PB |
7938 | /* Map host to target signal numbers for the wait family of syscalls. |
7939 | Assume all other status bits are the same. */ | |
a05c6409 | 7940 | int host_to_target_waitstatus(int status) |
1d9d8b55 PB |
7941 | { |
7942 | if (WIFSIGNALED(status)) { | |
7943 | return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f); | |
7944 | } | |
7945 | if (WIFSTOPPED(status)) { | |
7946 | return (host_to_target_signal(WSTOPSIG(status)) << 8) | |
7947 | | (status & 0xff); | |
7948 | } | |
7949 | return status; | |
7950 | } | |
7951 | ||
a0939b89 | 7952 | static int open_self_cmdline(CPUArchState *cpu_env, int fd) |
76b94245 | 7953 | { |
0effdc29 | 7954 | CPUState *cpu = env_cpu(cpu_env); |
e4e5cb4a | 7955 | struct linux_binprm *bprm = get_task_state(cpu)->bprm; |
58de8b96 | 7956 | int i; |
76b94245 | 7957 | |
58de8b96 AS |
7958 | for (i = 0; i < bprm->argc; i++) { |
7959 | size_t len = strlen(bprm->argv[i]) + 1; | |
76b94245 | 7960 | |
58de8b96 | 7961 | if (write(fd, bprm->argv[i], len) != len) { |
76b94245 | 7962 | return -1; |
76b94245 WVS |
7963 | } |
7964 | } | |
7965 | ||
58de8b96 | 7966 | return 0; |
76b94245 WVS |
7967 | } |
7968 | ||
7b7a3366 RH |
7969 | struct open_self_maps_data { |
7970 | TaskState *ts; | |
7971 | IntervalTreeRoot *host_maps; | |
7972 | int fd; | |
7973 | bool smaps; | |
7974 | }; | |
7975 | ||
7976 | /* | |
7977 | * Subroutine to output one line of /proc/self/maps, | |
7978 | * or one region of /proc/self/smaps. | |
7979 | */ | |
7980 | ||
7981 | #ifdef TARGET_HPPA | |
7982 | # define test_stack(S, E, L) (E == L) | |
7983 | #else | |
7984 | # define test_stack(S, E, L) (S == L) | |
7985 | #endif | |
7986 | ||
7987 | static void open_self_maps_4(const struct open_self_maps_data *d, | |
7988 | const MapInfo *mi, abi_ptr start, | |
7989 | abi_ptr end, unsigned flags) | |
77ae5761 | 7990 | { |
7b7a3366 RH |
7991 | const struct image_info *info = d->ts->info; |
7992 | const char *path = mi->path; | |
7993 | uint64_t offset; | |
7994 | int fd = d->fd; | |
7995 | int count; | |
7996 | ||
7997 | if (test_stack(start, end, info->stack_limit)) { | |
7998 | path = "[stack]"; | |
92d2a03f RH |
7999 | } else if (start == info->brk) { |
8000 | path = "[heap]"; | |
5d94c2ff RH |
8001 | } else if (start == info->vdso) { |
8002 | path = "[vdso]"; | |
4ef1f559 RH |
8003 | #ifdef TARGET_X86_64 |
8004 | } else if (start == TARGET_VSYSCALL_PAGE) { | |
8005 | path = "[vsyscall]"; | |
8006 | #endif | |
7b7a3366 | 8007 | } |
77ae5761 | 8008 | |
7b7a3366 RH |
8009 | /* Except null device (MAP_ANON), adjust offset for this fragment. */ |
8010 | offset = mi->offset; | |
8011 | if (mi->dev) { | |
8012 | uintptr_t hstart = (uintptr_t)g2h_untagged(start); | |
8013 | offset += hstart - mi->itree.start; | |
8014 | } | |
8015 | ||
8016 | count = dprintf(fd, TARGET_ABI_FMT_ptr "-" TARGET_ABI_FMT_ptr | |
8017 | " %c%c%c%c %08" PRIx64 " %02x:%02x %"PRId64, | |
8018 | start, end, | |
8019 | (flags & PAGE_READ) ? 'r' : '-', | |
8020 | (flags & PAGE_WRITE_ORG) ? 'w' : '-', | |
8021 | (flags & PAGE_EXEC) ? 'x' : '-', | |
8022 | mi->is_priv ? 'p' : 's', | |
8023 | offset, major(mi->dev), minor(mi->dev), | |
8024 | (uint64_t)mi->inode); | |
8025 | if (path) { | |
8026 | dprintf(fd, "%*s%s\n", 73 - count, "", path); | |
8027 | } else { | |
8028 | dprintf(fd, "\n"); | |
8029 | } | |
8030 | ||
8031 | if (d->smaps) { | |
8032 | unsigned long size = end - start; | |
8033 | unsigned long page_size_kb = TARGET_PAGE_SIZE >> 10; | |
8034 | unsigned long size_kb = size >> 10; | |
77ae5761 | 8035 | |
7b7a3366 | 8036 | dprintf(fd, "Size: %lu kB\n" |
77ae5761 IL |
8037 | "KernelPageSize: %lu kB\n" |
8038 | "MMUPageSize: %lu kB\n" | |
8039 | "Rss: 0 kB\n" | |
8040 | "Pss: 0 kB\n" | |
8041 | "Pss_Dirty: 0 kB\n" | |
8042 | "Shared_Clean: 0 kB\n" | |
8043 | "Shared_Dirty: 0 kB\n" | |
8044 | "Private_Clean: 0 kB\n" | |
8045 | "Private_Dirty: 0 kB\n" | |
8046 | "Referenced: 0 kB\n" | |
6467d9eb | 8047 | "Anonymous: %lu kB\n" |
77ae5761 IL |
8048 | "LazyFree: 0 kB\n" |
8049 | "AnonHugePages: 0 kB\n" | |
8050 | "ShmemPmdMapped: 0 kB\n" | |
8051 | "FilePmdMapped: 0 kB\n" | |
8052 | "Shared_Hugetlb: 0 kB\n" | |
8053 | "Private_Hugetlb: 0 kB\n" | |
8054 | "Swap: 0 kB\n" | |
8055 | "SwapPss: 0 kB\n" | |
8056 | "Locked: 0 kB\n" | |
7b7a3366 RH |
8057 | "THPeligible: 0\n" |
8058 | "VmFlags:%s%s%s%s%s%s%s%s\n", | |
8059 | size_kb, page_size_kb, page_size_kb, | |
6467d9eb | 8060 | (flags & PAGE_ANON ? size_kb : 0), |
7b7a3366 RH |
8061 | (flags & PAGE_READ) ? " rd" : "", |
8062 | (flags & PAGE_WRITE_ORG) ? " wr" : "", | |
8063 | (flags & PAGE_EXEC) ? " ex" : "", | |
8064 | mi->is_priv ? "" : " sh", | |
8065 | (flags & PAGE_READ) ? " mr" : "", | |
8066 | (flags & PAGE_WRITE_ORG) ? " mw" : "", | |
8067 | (flags & PAGE_EXEC) ? " me" : "", | |
8068 | mi->is_priv ? "" : " ms"); | |
8069 | } | |
77ae5761 IL |
8070 | } |
8071 | ||
7b7a3366 RH |
8072 | /* |
8073 | * Callback for walk_memory_regions, when read_self_maps() fails. | |
8074 | * Proceed without the benefit of host /proc/self/maps cross-check. | |
8075 | */ | |
8076 | static int open_self_maps_3(void *opaque, target_ulong guest_start, | |
8077 | target_ulong guest_end, unsigned long flags) | |
36c08d49 | 8078 | { |
7b7a3366 | 8079 | static const MapInfo mi = { .is_priv = true }; |
1a49ef2a | 8080 | |
7b7a3366 RH |
8081 | open_self_maps_4(opaque, &mi, guest_start, guest_end, flags); |
8082 | return 0; | |
8083 | } | |
1a49ef2a | 8084 | |
7b7a3366 RH |
8085 | /* |
8086 | * Callback for walk_memory_regions, when read_self_maps() succeeds. | |
8087 | */ | |
8088 | static int open_self_maps_2(void *opaque, target_ulong guest_start, | |
8089 | target_ulong guest_end, unsigned long flags) | |
8090 | { | |
8091 | const struct open_self_maps_data *d = opaque; | |
8092 | uintptr_t host_start = (uintptr_t)g2h_untagged(guest_start); | |
8093 | uintptr_t host_last = (uintptr_t)g2h_untagged(guest_end - 1); | |
01ef6b9e | 8094 | |
4ef1f559 RH |
8095 | #ifdef TARGET_X86_64 |
8096 | /* | |
8097 | * Because of the extremely high position of the page within the guest | |
8098 | * virtual address space, this is not backed by host memory at all. | |
8099 | * Therefore the loop below would fail. This is the only instance | |
8100 | * of not having host backing memory. | |
8101 | */ | |
8102 | if (guest_start == TARGET_VSYSCALL_PAGE) { | |
8103 | return open_self_maps_3(opaque, guest_start, guest_end, flags); | |
8104 | } | |
8105 | #endif | |
8106 | ||
7b7a3366 RH |
8107 | while (1) { |
8108 | IntervalTreeNode *n = | |
8109 | interval_tree_iter_first(d->host_maps, host_start, host_start); | |
8110 | MapInfo *mi = container_of(n, MapInfo, itree); | |
8111 | uintptr_t this_hlast = MIN(host_last, n->last); | |
8112 | target_ulong this_gend = h2g(this_hlast) + 1; | |
01ef6b9e | 8113 | |
7b7a3366 | 8114 | open_self_maps_4(d, mi, guest_start, this_gend, flags); |
01ef6b9e | 8115 | |
7b7a3366 RH |
8116 | if (this_hlast == host_last) { |
8117 | return 0; | |
1a49ef2a | 8118 | } |
7b7a3366 RH |
8119 | host_start = this_hlast + 1; |
8120 | guest_start = h2g(host_start); | |
1a49ef2a | 8121 | } |
7b7a3366 | 8122 | } |
1a49ef2a | 8123 | |
7b7a3366 RH |
8124 | static int open_self_maps_1(CPUArchState *env, int fd, bool smaps) |
8125 | { | |
8126 | struct open_self_maps_data d = { | |
59272469 | 8127 | .ts = get_task_state(env_cpu(env)), |
7b7a3366 RH |
8128 | .host_maps = read_self_maps(), |
8129 | .fd = fd, | |
8130 | .smaps = smaps | |
8131 | }; | |
01ef6b9e | 8132 | |
7b7a3366 RH |
8133 | if (d.host_maps) { |
8134 | walk_memory_regions(&d, open_self_maps_2); | |
8135 | free_self_maps(d.host_maps); | |
8136 | } else { | |
8137 | walk_memory_regions(&d, open_self_maps_3); | |
77ae5761 | 8138 | } |
36c08d49 AG |
8139 | return 0; |
8140 | } | |
8141 | ||
77ae5761 IL |
8142 | static int open_self_maps(CPUArchState *cpu_env, int fd) |
8143 | { | |
8144 | return open_self_maps_1(cpu_env, fd, false); | |
8145 | } | |
8146 | ||
8147 | static int open_self_smaps(CPUArchState *cpu_env, int fd) | |
8148 | { | |
8149 | return open_self_maps_1(cpu_env, fd, true); | |
8150 | } | |
8151 | ||
a0939b89 | 8152 | static int open_self_stat(CPUArchState *cpu_env, int fd) |
480b8e7d | 8153 | { |
0effdc29 | 8154 | CPUState *cpu = env_cpu(cpu_env); |
e4e5cb4a | 8155 | TaskState *ts = get_task_state(cpu); |
7ad4d5a4 | 8156 | g_autoptr(GString) buf = g_string_new(NULL); |
480b8e7d AG |
8157 | int i; |
8158 | ||
8159 | for (i = 0; i < 44; i++) { | |
7ad4d5a4 AB |
8160 | if (i == 0) { |
8161 | /* pid */ | |
8162 | g_string_printf(buf, FMT_pid " ", getpid()); | |
8163 | } else if (i == 1) { | |
8164 | /* app name */ | |
8165 | gchar *bin = g_strrstr(ts->bprm->argv[0], "/"); | |
8166 | bin = bin ? bin + 1 : ts->bprm->argv[0]; | |
8167 | g_string_printf(buf, "(%.15s) ", bin); | |
25bb27c7 AS |
8168 | } else if (i == 2) { |
8169 | /* task state */ | |
8170 | g_string_assign(buf, "R "); /* we are running right now */ | |
7aa9fe3a AS |
8171 | } else if (i == 3) { |
8172 | /* ppid */ | |
8173 | g_string_printf(buf, FMT_pid " ", getppid()); | |
eb33cdae CE |
8174 | } else if (i == 21) { |
8175 | /* starttime */ | |
8176 | g_string_printf(buf, "%" PRIu64 " ", ts->start_boottime); | |
7ad4d5a4 AB |
8177 | } else if (i == 27) { |
8178 | /* stack bottom */ | |
8179 | g_string_printf(buf, TARGET_ABI_FMT_ld " ", ts->info->start_stack); | |
8180 | } else { | |
8181 | /* for the rest, there is MasterCard */ | |
8182 | g_string_printf(buf, "0%c", i == 43 ? '\n' : ' '); | |
8183 | } | |
8184 | ||
8185 | if (write(fd, buf->str, buf->len) != buf->len) { | |
8186 | return -1; | |
8187 | } | |
480b8e7d AG |
8188 | } |
8189 | ||
8190 | return 0; | |
8191 | } | |
8192 | ||
a0939b89 | 8193 | static int open_self_auxv(CPUArchState *cpu_env, int fd) |
257450ee | 8194 | { |
0effdc29 | 8195 | CPUState *cpu = env_cpu(cpu_env); |
e4e5cb4a | 8196 | TaskState *ts = get_task_state(cpu); |
257450ee AG |
8197 | abi_ulong auxv = ts->info->saved_auxv; |
8198 | abi_ulong len = ts->info->auxv_len; | |
8199 | char *ptr; | |
8200 | ||
8201 | /* | |
8202 | * Auxiliary vector is stored in target process stack. | |
8203 | * read in whole auxv vector and copy it to file | |
8204 | */ | |
8205 | ptr = lock_user(VERIFY_READ, auxv, len, 0); | |
8206 | if (ptr != NULL) { | |
8207 | while (len > 0) { | |
8208 | ssize_t r; | |
8209 | r = write(fd, ptr, len); | |
8210 | if (r <= 0) { | |
8211 | break; | |
8212 | } | |
8213 | len -= r; | |
8214 | ptr += r; | |
8215 | } | |
8216 | lseek(fd, 0, SEEK_SET); | |
8217 | unlock_user(ptr, auxv, len); | |
8218 | } | |
8219 | ||
8220 | return 0; | |
8221 | } | |
8222 | ||
463d8e73 AS |
8223 | static int is_proc_myself(const char *filename, const char *entry) |
8224 | { | |
8225 | if (!strncmp(filename, "/proc/", strlen("/proc/"))) { | |
8226 | filename += strlen("/proc/"); | |
8227 | if (!strncmp(filename, "self/", strlen("self/"))) { | |
8228 | filename += strlen("self/"); | |
8229 | } else if (*filename >= '1' && *filename <= '9') { | |
8230 | char myself[80]; | |
8231 | snprintf(myself, sizeof(myself), "%d/", getpid()); | |
8232 | if (!strncmp(filename, myself, strlen(myself))) { | |
8233 | filename += strlen(myself); | |
8234 | } else { | |
8235 | return 0; | |
8236 | } | |
8237 | } else { | |
8238 | return 0; | |
8239 | } | |
8240 | if (!strcmp(filename, entry)) { | |
8241 | return 1; | |
8242 | } | |
8243 | } | |
8244 | return 0; | |
8245 | } | |
8246 | ||
bd5ccd61 HD |
8247 | static void excp_dump_file(FILE *logfile, CPUArchState *env, |
8248 | const char *fmt, int code) | |
8249 | { | |
8250 | if (logfile) { | |
8251 | CPUState *cs = env_cpu(env); | |
8252 | ||
8253 | fprintf(logfile, fmt, code); | |
8254 | fprintf(logfile, "Failing executable: %s\n", exec_path); | |
8255 | cpu_dump_state(cs, logfile, 0); | |
8256 | open_self_maps(env, fileno(logfile)); | |
8257 | } | |
8258 | } | |
8259 | ||
8260 | void target_exception_dump(CPUArchState *env, const char *fmt, int code) | |
8261 | { | |
8262 | /* dump to console */ | |
8263 | excp_dump_file(stderr, env, fmt, code); | |
8264 | ||
8265 | /* dump to log file */ | |
8266 | if (qemu_log_separate()) { | |
8267 | FILE *logfile = qemu_log_trylock(); | |
8268 | ||
8269 | excp_dump_file(logfile, env, fmt, code); | |
8270 | qemu_log_unlock(logfile); | |
8271 | } | |
8272 | } | |
8273 | ||
121c8dd6 RH |
8274 | #include "target_proc.h" |
8275 | ||
ee3eb3a7 | 8276 | #if HOST_BIG_ENDIAN != TARGET_BIG_ENDIAN || \ |
121c8dd6 RH |
8277 | defined(HAVE_ARCH_PROC_CPUINFO) || \ |
8278 | defined(HAVE_ARCH_PROC_HARDWARE) | |
de6b9933 LV |
8279 | static int is_proc(const char *filename, const char *entry) |
8280 | { | |
8281 | return strcmp(filename, entry) == 0; | |
8282 | } | |
fff69382 | 8283 | #endif |
de6b9933 | 8284 | |
ee3eb3a7 | 8285 | #if HOST_BIG_ENDIAN != TARGET_BIG_ENDIAN |
a0939b89 | 8286 | static int open_net_route(CPUArchState *cpu_env, int fd) |
de6b9933 LV |
8287 | { |
8288 | FILE *fp; | |
8289 | char *line = NULL; | |
8290 | size_t len = 0; | |
8291 | ssize_t read; | |
8292 | ||
8293 | fp = fopen("/proc/net/route", "r"); | |
8294 | if (fp == NULL) { | |
a3ca7bb2 | 8295 | return -1; |
de6b9933 LV |
8296 | } |
8297 | ||
8298 | /* read header */ | |
8299 | ||
8300 | read = getline(&line, &len, fp); | |
8301 | dprintf(fd, "%s", line); | |
8302 | ||
8303 | /* read routes */ | |
8304 | ||
8305 | while ((read = getline(&line, &len, fp)) != -1) { | |
8306 | char iface[16]; | |
8307 | uint32_t dest, gw, mask; | |
8308 | unsigned int flags, refcnt, use, metric, mtu, window, irtt; | |
9d0bd0cd PM |
8309 | int fields; |
8310 | ||
8311 | fields = sscanf(line, | |
8312 | "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n", | |
8313 | iface, &dest, &gw, &flags, &refcnt, &use, &metric, | |
8314 | &mask, &mtu, &window, &irtt); | |
8315 | if (fields != 11) { | |
8316 | continue; | |
8317 | } | |
de6b9933 LV |
8318 | dprintf(fd, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n", |
8319 | iface, tswap32(dest), tswap32(gw), flags, refcnt, use, | |
8320 | metric, tswap32(mask), mtu, window, irtt); | |
8321 | } | |
8322 | ||
8323 | free(line); | |
8324 | fclose(fp); | |
8325 | ||
8326 | return 0; | |
8327 | } | |
8328 | #endif | |
8329 | ||
b8002058 | 8330 | int do_guest_openat(CPUArchState *cpu_env, int dirfd, const char *fname, |
35be898e | 8331 | int flags, mode_t mode, bool safe) |
3be14d05 | 8332 | { |
b8002058 HD |
8333 | g_autofree char *proc_name = NULL; |
8334 | const char *pathname; | |
3be14d05 AG |
8335 | struct fake_open { |
8336 | const char *filename; | |
a0939b89 | 8337 | int (*fill)(CPUArchState *cpu_env, int fd); |
de6b9933 | 8338 | int (*cmp)(const char *s1, const char *s2); |
3be14d05 AG |
8339 | }; |
8340 | const struct fake_open *fake_open; | |
8341 | static const struct fake_open fakes[] = { | |
de6b9933 | 8342 | { "maps", open_self_maps, is_proc_myself }, |
77ae5761 | 8343 | { "smaps", open_self_smaps, is_proc_myself }, |
de6b9933 LV |
8344 | { "stat", open_self_stat, is_proc_myself }, |
8345 | { "auxv", open_self_auxv, is_proc_myself }, | |
76b94245 | 8346 | { "cmdline", open_self_cmdline, is_proc_myself }, |
ee3eb3a7 | 8347 | #if HOST_BIG_ENDIAN != TARGET_BIG_ENDIAN |
de6b9933 | 8348 | { "/proc/net/route", open_net_route, is_proc }, |
fff69382 | 8349 | #endif |
121c8dd6 | 8350 | #if defined(HAVE_ARCH_PROC_CPUINFO) |
fff69382 | 8351 | { "/proc/cpuinfo", open_cpuinfo, is_proc }, |
4ab6713e | 8352 | #endif |
121c8dd6 | 8353 | #if defined(HAVE_ARCH_PROC_HARDWARE) |
4ab6713e | 8354 | { "/proc/hardware", open_hardware, is_proc }, |
de6b9933 LV |
8355 | #endif |
8356 | { NULL, NULL, NULL } | |
3be14d05 AG |
8357 | }; |
8358 | ||
b8002058 HD |
8359 | /* if this is a file from /proc/ filesystem, expand full name */ |
8360 | proc_name = realpath(fname, NULL); | |
8361 | if (proc_name && strncmp(proc_name, "/proc/", 6) == 0) { | |
8362 | pathname = proc_name; | |
8363 | } else { | |
8364 | pathname = fname; | |
8365 | } | |
8366 | ||
aa07f5ec | 8367 | if (is_proc_myself(pathname, "exe")) { |
35be898e IL |
8368 | if (safe) { |
8369 | return safe_openat(dirfd, exec_path, flags, mode); | |
8370 | } else { | |
8371 | return openat(dirfd, exec_path, flags, mode); | |
8372 | } | |
aa07f5ec MO |
8373 | } |
8374 | ||
3be14d05 | 8375 | for (fake_open = fakes; fake_open->filename; fake_open++) { |
de6b9933 | 8376 | if (fake_open->cmp(pathname, fake_open->filename)) { |
3be14d05 AG |
8377 | break; |
8378 | } | |
8379 | } | |
8380 | ||
8381 | if (fake_open->filename) { | |
8382 | const char *tmpdir; | |
8383 | char filename[PATH_MAX]; | |
8384 | int fd, r; | |
8385 | ||
5b63de6b | 8386 | fd = memfd_create("qemu-open", 0); |
3be14d05 | 8387 | if (fd < 0) { |
5b63de6b RM |
8388 | if (errno != ENOSYS) { |
8389 | return fd; | |
8390 | } | |
8391 | /* create temporary file to map stat to */ | |
8392 | tmpdir = getenv("TMPDIR"); | |
8393 | if (!tmpdir) | |
8394 | tmpdir = "/tmp"; | |
8395 | snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir); | |
8396 | fd = mkstemp(filename); | |
8397 | if (fd < 0) { | |
8398 | return fd; | |
8399 | } | |
8400 | unlink(filename); | |
3be14d05 | 8401 | } |
3be14d05 AG |
8402 | |
8403 | if ((r = fake_open->fill(cpu_env, fd))) { | |
a3ca7bb2 | 8404 | int e = errno; |
3be14d05 | 8405 | close(fd); |
a3ca7bb2 | 8406 | errno = e; |
3be14d05 AG |
8407 | return r; |
8408 | } | |
8409 | lseek(fd, 0, SEEK_SET); | |
8410 | ||
8411 | return fd; | |
8412 | } | |
8413 | ||
35be898e IL |
8414 | if (safe) { |
8415 | return safe_openat(dirfd, path(pathname), flags, mode); | |
8416 | } else { | |
8417 | return openat(dirfd, path(pathname), flags, mode); | |
8418 | } | |
3be14d05 AG |
8419 | } |
8420 | ||
a4dab0a0 IL |
8421 | ssize_t do_guest_readlink(const char *pathname, char *buf, size_t bufsiz) |
8422 | { | |
8423 | ssize_t ret; | |
8424 | ||
8425 | if (!pathname || !buf) { | |
8426 | errno = EFAULT; | |
8427 | return -1; | |
8428 | } | |
8429 | ||
8430 | if (!bufsiz) { | |
8431 | /* Short circuit this for the magic exe check. */ | |
8432 | errno = EINVAL; | |
8433 | return -1; | |
8434 | } | |
8435 | ||
8436 | if (is_proc_myself((const char *)pathname, "exe")) { | |
8437 | /* | |
8438 | * Don't worry about sign mismatch as earlier mapping | |
8439 | * logic would have thrown a bad address error. | |
8440 | */ | |
8441 | ret = MIN(strlen(exec_path), bufsiz); | |
8442 | /* We cannot NUL terminate the string. */ | |
8443 | memcpy(buf, exec_path, ret); | |
8444 | } else { | |
8445 | ret = readlink(path(pathname), buf, bufsiz); | |
8446 | } | |
8447 | ||
8448 | return ret; | |
8449 | } | |
8450 | ||
7a8d9f3a PB |
8451 | static int do_execv(CPUArchState *cpu_env, int dirfd, |
8452 | abi_long pathname, abi_long guest_argp, | |
8453 | abi_long guest_envp, int flags, bool is_execveat) | |
156e1f67 DD |
8454 | { |
8455 | int ret; | |
8456 | char **argp, **envp; | |
8457 | int argc, envc; | |
8458 | abi_ulong gp; | |
8459 | abi_ulong addr; | |
8460 | char **q; | |
8461 | void *p; | |
8462 | ||
8463 | argc = 0; | |
8464 | ||
8465 | for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) { | |
8466 | if (get_user_ual(addr, gp)) { | |
8467 | return -TARGET_EFAULT; | |
8468 | } | |
8469 | if (!addr) { | |
8470 | break; | |
8471 | } | |
8472 | argc++; | |
8473 | } | |
8474 | envc = 0; | |
8475 | for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) { | |
8476 | if (get_user_ual(addr, gp)) { | |
8477 | return -TARGET_EFAULT; | |
8478 | } | |
8479 | if (!addr) { | |
8480 | break; | |
8481 | } | |
8482 | envc++; | |
8483 | } | |
8484 | ||
8485 | argp = g_new0(char *, argc + 1); | |
8486 | envp = g_new0(char *, envc + 1); | |
8487 | ||
8488 | for (gp = guest_argp, q = argp; gp; gp += sizeof(abi_ulong), q++) { | |
8489 | if (get_user_ual(addr, gp)) { | |
8490 | goto execve_efault; | |
8491 | } | |
8492 | if (!addr) { | |
8493 | break; | |
8494 | } | |
8495 | *q = lock_user_string(addr); | |
8496 | if (!*q) { | |
8497 | goto execve_efault; | |
8498 | } | |
8499 | } | |
8500 | *q = NULL; | |
8501 | ||
8502 | for (gp = guest_envp, q = envp; gp; gp += sizeof(abi_ulong), q++) { | |
8503 | if (get_user_ual(addr, gp)) { | |
8504 | goto execve_efault; | |
8505 | } | |
8506 | if (!addr) { | |
8507 | break; | |
8508 | } | |
8509 | *q = lock_user_string(addr); | |
8510 | if (!*q) { | |
8511 | goto execve_efault; | |
8512 | } | |
8513 | } | |
8514 | *q = NULL; | |
8515 | ||
8516 | /* | |
8517 | * Although execve() is not an interruptible syscall it is | |
8518 | * a special case where we must use the safe_syscall wrapper: | |
8519 | * if we allow a signal to happen before we make the host | |
8520 | * syscall then we will 'lose' it, because at the point of | |
8521 | * execve the process leaves QEMU's control. So we use the | |
8522 | * safe syscall wrapper to ensure that we either take the | |
8523 | * signal as a guest signal, or else it does not happen | |
8524 | * before the execve completes and makes it the other | |
8525 | * program's problem. | |
8526 | */ | |
8527 | p = lock_user_string(pathname); | |
8528 | if (!p) { | |
8529 | goto execve_efault; | |
8530 | } | |
8531 | ||
7a8d9f3a | 8532 | const char *exe = p; |
156e1f67 | 8533 | if (is_proc_myself(p, "exe")) { |
7a8d9f3a | 8534 | exe = exec_path; |
156e1f67 | 8535 | } |
7a8d9f3a PB |
8536 | ret = is_execveat |
8537 | ? safe_execveat(dirfd, exe, argp, envp, flags) | |
8538 | : safe_execve(exe, argp, envp); | |
8539 | ret = get_errno(ret); | |
156e1f67 DD |
8540 | |
8541 | unlock_user(p, pathname, 0); | |
8542 | ||
8543 | goto execve_end; | |
8544 | ||
8545 | execve_efault: | |
8546 | ret = -TARGET_EFAULT; | |
8547 | ||
8548 | execve_end: | |
8549 | for (gp = guest_argp, q = argp; *q; gp += sizeof(abi_ulong), q++) { | |
8550 | if (get_user_ual(addr, gp) || !addr) { | |
8551 | break; | |
8552 | } | |
8553 | unlock_user(*q, addr, 0); | |
8554 | } | |
8555 | for (gp = guest_envp, q = envp; *q; gp += sizeof(abi_ulong), q++) { | |
8556 | if (get_user_ual(addr, gp) || !addr) { | |
8557 | break; | |
8558 | } | |
8559 | unlock_user(*q, addr, 0); | |
8560 | } | |
8561 | ||
8562 | g_free(argp); | |
8563 | g_free(envp); | |
8564 | return ret; | |
8565 | } | |
8566 | ||
aecc8861 AG |
8567 | #define TIMER_MAGIC 0x0caf0000 |
8568 | #define TIMER_MAGIC_MASK 0xffff0000 | |
8569 | ||
8570 | /* Convert QEMU provided timer ID back to internal 16bit index format */ | |
8571 | static target_timer_t get_timer_id(abi_long arg) | |
8572 | { | |
8573 | target_timer_t timerid = arg; | |
8574 | ||
8575 | if ((timerid & TIMER_MAGIC_MASK) != TIMER_MAGIC) { | |
8576 | return -TARGET_EINVAL; | |
8577 | } | |
8578 | ||
8579 | timerid &= 0xffff; | |
8580 | ||
8581 | if (timerid >= ARRAY_SIZE(g_posix_timers)) { | |
8582 | return -TARGET_EINVAL; | |
8583 | } | |
8584 | ||
8585 | return timerid; | |
8586 | } | |
8587 | ||
2e0a8713 ST |
8588 | static int target_to_host_cpu_mask(unsigned long *host_mask, |
8589 | size_t host_size, | |
8590 | abi_ulong target_addr, | |
8591 | size_t target_size) | |
8592 | { | |
8593 | unsigned target_bits = sizeof(abi_ulong) * 8; | |
8594 | unsigned host_bits = sizeof(*host_mask) * 8; | |
8595 | abi_ulong *target_mask; | |
8596 | unsigned i, j; | |
8597 | ||
8598 | assert(host_size >= target_size); | |
8599 | ||
8600 | target_mask = lock_user(VERIFY_READ, target_addr, target_size, 1); | |
8601 | if (!target_mask) { | |
8602 | return -TARGET_EFAULT; | |
8603 | } | |
8604 | memset(host_mask, 0, host_size); | |
8605 | ||
8606 | for (i = 0 ; i < target_size / sizeof(abi_ulong); i++) { | |
8607 | unsigned bit = i * target_bits; | |
8608 | abi_ulong val; | |
8609 | ||
8610 | __get_user(val, &target_mask[i]); | |
8611 | for (j = 0; j < target_bits; j++, bit++) { | |
8612 | if (val & (1UL << j)) { | |
8613 | host_mask[bit / host_bits] |= 1UL << (bit % host_bits); | |
8614 | } | |
8615 | } | |
8616 | } | |
8617 | ||
8618 | unlock_user(target_mask, target_addr, 0); | |
8619 | return 0; | |
8620 | } | |
8621 | ||
8622 | static int host_to_target_cpu_mask(const unsigned long *host_mask, | |
8623 | size_t host_size, | |
8624 | abi_ulong target_addr, | |
8625 | size_t target_size) | |
8626 | { | |
8627 | unsigned target_bits = sizeof(abi_ulong) * 8; | |
8628 | unsigned host_bits = sizeof(*host_mask) * 8; | |
8629 | abi_ulong *target_mask; | |
8630 | unsigned i, j; | |
8631 | ||
8632 | assert(host_size >= target_size); | |
8633 | ||
8634 | target_mask = lock_user(VERIFY_WRITE, target_addr, target_size, 0); | |
8635 | if (!target_mask) { | |
8636 | return -TARGET_EFAULT; | |
8637 | } | |
8638 | ||
8639 | for (i = 0 ; i < target_size / sizeof(abi_ulong); i++) { | |
8640 | unsigned bit = i * target_bits; | |
8641 | abi_ulong val = 0; | |
8642 | ||
8643 | for (j = 0; j < target_bits; j++, bit++) { | |
8644 | if (host_mask[bit / host_bits] & (1UL << (bit % host_bits))) { | |
8645 | val |= 1UL << j; | |
8646 | } | |
8647 | } | |
8648 | __put_user(val, &target_mask[i]); | |
8649 | } | |
8650 | ||
8651 | unlock_user(target_mask, target_addr, target_size); | |
8652 | return 0; | |
8653 | } | |
8654 | ||
fd08ddb9 | 8655 | #ifdef TARGET_NR_getdents |
aee14c77 | 8656 | static int do_getdents(abi_long dirfd, abi_long arg2, abi_long count) |
fd08ddb9 | 8657 | { |
aee14c77 RH |
8658 | g_autofree void *hdirp = NULL; |
8659 | void *tdirp; | |
8660 | int hlen, hoff, toff; | |
8661 | int hreclen, treclen; | |
8662 | off64_t prev_diroff = 0; | |
8663 | ||
8664 | hdirp = g_try_malloc(count); | |
8665 | if (!hdirp) { | |
8666 | return -TARGET_ENOMEM; | |
8667 | } | |
fd08ddb9 RH |
8668 | |
8669 | #ifdef EMULATE_GETDENTS_WITH_GETDENTS | |
aee14c77 RH |
8670 | hlen = sys_getdents(dirfd, hdirp, count); |
8671 | #else | |
8672 | hlen = sys_getdents64(dirfd, hdirp, count); | |
8673 | #endif | |
fd08ddb9 | 8674 | |
aee14c77 RH |
8675 | hlen = get_errno(hlen); |
8676 | if (is_error(hlen)) { | |
8677 | return hlen; | |
fd08ddb9 RH |
8678 | } |
8679 | ||
aee14c77 RH |
8680 | tdirp = lock_user(VERIFY_WRITE, arg2, count, 0); |
8681 | if (!tdirp) { | |
fd08ddb9 RH |
8682 | return -TARGET_EFAULT; |
8683 | } | |
aee14c77 RH |
8684 | |
8685 | for (hoff = toff = 0; hoff < hlen; hoff += hreclen, toff += treclen) { | |
8686 | #ifdef EMULATE_GETDENTS_WITH_GETDENTS | |
8687 | struct linux_dirent *hde = hdirp + hoff; | |
fd08ddb9 | 8688 | #else |
aee14c77 RH |
8689 | struct linux_dirent64 *hde = hdirp + hoff; |
8690 | #endif | |
8691 | struct target_dirent *tde = tdirp + toff; | |
8692 | int namelen; | |
8693 | uint8_t type; | |
fd08ddb9 | 8694 | |
aee14c77 RH |
8695 | namelen = strlen(hde->d_name); |
8696 | hreclen = hde->d_reclen; | |
8697 | treclen = offsetof(struct target_dirent, d_name) + namelen + 2; | |
8698 | treclen = QEMU_ALIGN_UP(treclen, __alignof(struct target_dirent)); | |
fd08ddb9 | 8699 | |
aee14c77 | 8700 | if (toff + treclen > count) { |
fd08ddb9 | 8701 | /* |
aee14c77 RH |
8702 | * If the host struct is smaller than the target struct, or |
8703 | * requires less alignment and thus packs into less space, | |
8704 | * then the host can return more entries than we can pass | |
8705 | * on to the guest. | |
fd08ddb9 | 8706 | */ |
aee14c77 RH |
8707 | if (toff == 0) { |
8708 | toff = -TARGET_EINVAL; /* result buffer is too small */ | |
8709 | break; | |
8710 | } | |
8711 | /* | |
8712 | * Return what we have, resetting the file pointer to the | |
8713 | * location of the first record not returned. | |
8714 | */ | |
8715 | lseek64(dirfd, prev_diroff, SEEK_SET); | |
8716 | break; | |
fd08ddb9 | 8717 | } |
aee14c77 RH |
8718 | |
8719 | prev_diroff = hde->d_off; | |
8720 | tde->d_ino = tswapal(hde->d_ino); | |
8721 | tde->d_off = tswapal(hde->d_off); | |
8722 | tde->d_reclen = tswap16(treclen); | |
8723 | memcpy(tde->d_name, hde->d_name, namelen + 1); | |
8724 | ||
8725 | /* | |
8726 | * The getdents type is in what was formerly a padding byte at the | |
8727 | * end of the structure. | |
8728 | */ | |
8729 | #ifdef EMULATE_GETDENTS_WITH_GETDENTS | |
8730 | type = *((uint8_t *)hde + hreclen - 1); | |
8731 | #else | |
8732 | type = hde->d_type; | |
fd08ddb9 | 8733 | #endif |
aee14c77 RH |
8734 | *((uint8_t *)tde + treclen - 1) = type; |
8735 | } | |
8736 | ||
8737 | unlock_user(tdirp, arg2, toff); | |
8738 | return toff; | |
fd08ddb9 RH |
8739 | } |
8740 | #endif /* TARGET_NR_getdents */ | |
8741 | ||
8742 | #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64) | |
aee14c77 | 8743 | static int do_getdents64(abi_long dirfd, abi_long arg2, abi_long count) |
fd08ddb9 | 8744 | { |
aee14c77 RH |
8745 | g_autofree void *hdirp = NULL; |
8746 | void *tdirp; | |
8747 | int hlen, hoff, toff; | |
8748 | int hreclen, treclen; | |
8749 | off64_t prev_diroff = 0; | |
8750 | ||
8751 | hdirp = g_try_malloc(count); | |
8752 | if (!hdirp) { | |
8753 | return -TARGET_ENOMEM; | |
8754 | } | |
fd08ddb9 | 8755 | |
aee14c77 RH |
8756 | hlen = get_errno(sys_getdents64(dirfd, hdirp, count)); |
8757 | if (is_error(hlen)) { | |
8758 | return hlen; | |
8759 | } | |
8760 | ||
8761 | tdirp = lock_user(VERIFY_WRITE, arg2, count, 0); | |
8762 | if (!tdirp) { | |
fd08ddb9 RH |
8763 | return -TARGET_EFAULT; |
8764 | } | |
aee14c77 RH |
8765 | |
8766 | for (hoff = toff = 0; hoff < hlen; hoff += hreclen, toff += treclen) { | |
8767 | struct linux_dirent64 *hde = hdirp + hoff; | |
8768 | struct target_dirent64 *tde = tdirp + toff; | |
8769 | int namelen; | |
8770 | ||
8771 | namelen = strlen(hde->d_name) + 1; | |
8772 | hreclen = hde->d_reclen; | |
8773 | treclen = offsetof(struct target_dirent64, d_name) + namelen; | |
8774 | treclen = QEMU_ALIGN_UP(treclen, __alignof(struct target_dirent64)); | |
8775 | ||
8776 | if (toff + treclen > count) { | |
8777 | /* | |
8778 | * If the host struct is smaller than the target struct, or | |
8779 | * requires less alignment and thus packs into less space, | |
8780 | * then the host can return more entries than we can pass | |
8781 | * on to the guest. | |
8782 | */ | |
8783 | if (toff == 0) { | |
8784 | toff = -TARGET_EINVAL; /* result buffer is too small */ | |
fd08ddb9 RH |
8785 | break; |
8786 | } | |
aee14c77 RH |
8787 | /* |
8788 | * Return what we have, resetting the file pointer to the | |
8789 | * location of the first record not returned. | |
8790 | */ | |
8791 | lseek64(dirfd, prev_diroff, SEEK_SET); | |
8792 | break; | |
fd08ddb9 | 8793 | } |
aee14c77 RH |
8794 | |
8795 | prev_diroff = hde->d_off; | |
8796 | tde->d_ino = tswap64(hde->d_ino); | |
8797 | tde->d_off = tswap64(hde->d_off); | |
8798 | tde->d_reclen = tswap16(treclen); | |
8799 | tde->d_type = hde->d_type; | |
8800 | memcpy(tde->d_name, hde->d_name, namelen); | |
fd08ddb9 | 8801 | } |
aee14c77 RH |
8802 | |
8803 | unlock_user(tdirp, arg2, toff); | |
8804 | return toff; | |
fd08ddb9 RH |
8805 | } |
8806 | #endif /* TARGET_NR_getdents64 */ | |
8807 | ||
9e1c7d98 RE |
8808 | #if defined(TARGET_NR_riscv_hwprobe) |
8809 | ||
8810 | #define RISCV_HWPROBE_KEY_MVENDORID 0 | |
8811 | #define RISCV_HWPROBE_KEY_MARCHID 1 | |
8812 | #define RISCV_HWPROBE_KEY_MIMPID 2 | |
8813 | ||
8814 | #define RISCV_HWPROBE_KEY_BASE_BEHAVIOR 3 | |
8815 | #define RISCV_HWPROBE_BASE_BEHAVIOR_IMA (1 << 0) | |
8816 | ||
a3432cf2 CM |
8817 | #define RISCV_HWPROBE_KEY_IMA_EXT_0 4 |
8818 | #define RISCV_HWPROBE_IMA_FD (1 << 0) | |
8819 | #define RISCV_HWPROBE_IMA_C (1 << 1) | |
8820 | #define RISCV_HWPROBE_IMA_V (1 << 2) | |
8821 | #define RISCV_HWPROBE_EXT_ZBA (1 << 3) | |
8822 | #define RISCV_HWPROBE_EXT_ZBB (1 << 4) | |
8823 | #define RISCV_HWPROBE_EXT_ZBS (1 << 5) | |
8824 | #define RISCV_HWPROBE_EXT_ZICBOZ (1 << 6) | |
8825 | #define RISCV_HWPROBE_EXT_ZBC (1 << 7) | |
8826 | #define RISCV_HWPROBE_EXT_ZBKB (1 << 8) | |
8827 | #define RISCV_HWPROBE_EXT_ZBKC (1 << 9) | |
8828 | #define RISCV_HWPROBE_EXT_ZBKX (1 << 10) | |
8829 | #define RISCV_HWPROBE_EXT_ZKND (1 << 11) | |
8830 | #define RISCV_HWPROBE_EXT_ZKNE (1 << 12) | |
8831 | #define RISCV_HWPROBE_EXT_ZKNH (1 << 13) | |
8832 | #define RISCV_HWPROBE_EXT_ZKSED (1 << 14) | |
8833 | #define RISCV_HWPROBE_EXT_ZKSH (1 << 15) | |
8834 | #define RISCV_HWPROBE_EXT_ZKT (1 << 16) | |
8835 | #define RISCV_HWPROBE_EXT_ZVBB (1 << 17) | |
8836 | #define RISCV_HWPROBE_EXT_ZVBC (1 << 18) | |
8837 | #define RISCV_HWPROBE_EXT_ZVKB (1 << 19) | |
8838 | #define RISCV_HWPROBE_EXT_ZVKG (1 << 20) | |
8839 | #define RISCV_HWPROBE_EXT_ZVKNED (1 << 21) | |
8840 | #define RISCV_HWPROBE_EXT_ZVKNHA (1 << 22) | |
8841 | #define RISCV_HWPROBE_EXT_ZVKNHB (1 << 23) | |
8842 | #define RISCV_HWPROBE_EXT_ZVKSED (1 << 24) | |
8843 | #define RISCV_HWPROBE_EXT_ZVKSH (1 << 25) | |
8844 | #define RISCV_HWPROBE_EXT_ZVKT (1 << 26) | |
8845 | #define RISCV_HWPROBE_EXT_ZFH (1 << 27) | |
8846 | #define RISCV_HWPROBE_EXT_ZFHMIN (1 << 28) | |
8847 | #define RISCV_HWPROBE_EXT_ZIHINTNTL (1 << 29) | |
8848 | #define RISCV_HWPROBE_EXT_ZVFH (1 << 30) | |
8849 | #define RISCV_HWPROBE_EXT_ZVFHMIN (1 << 31) | |
8850 | #define RISCV_HWPROBE_EXT_ZFA (1ULL << 32) | |
4f1a53b3 | 8851 | #define RISCV_HWPROBE_EXT_ZTSO (1ULL << 33) |
a3432cf2 CM |
8852 | #define RISCV_HWPROBE_EXT_ZACAS (1ULL << 34) |
8853 | #define RISCV_HWPROBE_EXT_ZICOND (1ULL << 35) | |
9e1c7d98 RE |
8854 | |
8855 | #define RISCV_HWPROBE_KEY_CPUPERF_0 5 | |
8856 | #define RISCV_HWPROBE_MISALIGNED_UNKNOWN (0 << 0) | |
8857 | #define RISCV_HWPROBE_MISALIGNED_EMULATED (1 << 0) | |
8858 | #define RISCV_HWPROBE_MISALIGNED_SLOW (2 << 0) | |
8859 | #define RISCV_HWPROBE_MISALIGNED_FAST (3 << 0) | |
8860 | #define RISCV_HWPROBE_MISALIGNED_UNSUPPORTED (4 << 0) | |
8861 | #define RISCV_HWPROBE_MISALIGNED_MASK (7 << 0) | |
8862 | ||
301c65f4 PD |
8863 | #define RISCV_HWPROBE_KEY_ZICBOZ_BLOCK_SIZE 6 |
8864 | ||
9e1c7d98 RE |
8865 | struct riscv_hwprobe { |
8866 | abi_llong key; | |
8867 | abi_ullong value; | |
8868 | }; | |
8869 | ||
8870 | static void risc_hwprobe_fill_pairs(CPURISCVState *env, | |
8871 | struct riscv_hwprobe *pair, | |
8872 | size_t pair_count) | |
8873 | { | |
8874 | const RISCVCPUConfig *cfg = riscv_cpu_cfg(env); | |
8875 | ||
8876 | for (; pair_count > 0; pair_count--, pair++) { | |
8877 | abi_llong key; | |
8878 | abi_ullong value; | |
8879 | __put_user(0, &pair->value); | |
8880 | __get_user(key, &pair->key); | |
8881 | switch (key) { | |
8882 | case RISCV_HWPROBE_KEY_MVENDORID: | |
8883 | __put_user(cfg->mvendorid, &pair->value); | |
8884 | break; | |
8885 | case RISCV_HWPROBE_KEY_MARCHID: | |
8886 | __put_user(cfg->marchid, &pair->value); | |
8887 | break; | |
8888 | case RISCV_HWPROBE_KEY_MIMPID: | |
8889 | __put_user(cfg->mimpid, &pair->value); | |
8890 | break; | |
8891 | case RISCV_HWPROBE_KEY_BASE_BEHAVIOR: | |
8892 | value = riscv_has_ext(env, RVI) && | |
8893 | riscv_has_ext(env, RVM) && | |
8894 | riscv_has_ext(env, RVA) ? | |
8895 | RISCV_HWPROBE_BASE_BEHAVIOR_IMA : 0; | |
8896 | __put_user(value, &pair->value); | |
8897 | break; | |
8898 | case RISCV_HWPROBE_KEY_IMA_EXT_0: | |
8899 | value = riscv_has_ext(env, RVF) && | |
8900 | riscv_has_ext(env, RVD) ? | |
8901 | RISCV_HWPROBE_IMA_FD : 0; | |
8902 | value |= riscv_has_ext(env, RVC) ? | |
bb0a45e9 RE |
8903 | RISCV_HWPROBE_IMA_C : 0; |
8904 | value |= riscv_has_ext(env, RVV) ? | |
8905 | RISCV_HWPROBE_IMA_V : 0; | |
8906 | value |= cfg->ext_zba ? | |
8907 | RISCV_HWPROBE_EXT_ZBA : 0; | |
8908 | value |= cfg->ext_zbb ? | |
8909 | RISCV_HWPROBE_EXT_ZBB : 0; | |
8910 | value |= cfg->ext_zbs ? | |
8911 | RISCV_HWPROBE_EXT_ZBS : 0; | |
0191131d CM |
8912 | value |= cfg->ext_zicboz ? |
8913 | RISCV_HWPROBE_EXT_ZICBOZ : 0; | |
a3432cf2 CM |
8914 | value |= cfg->ext_zbc ? |
8915 | RISCV_HWPROBE_EXT_ZBC : 0; | |
8916 | value |= cfg->ext_zbkb ? | |
8917 | RISCV_HWPROBE_EXT_ZBKB : 0; | |
8918 | value |= cfg->ext_zbkc ? | |
8919 | RISCV_HWPROBE_EXT_ZBKC : 0; | |
8920 | value |= cfg->ext_zbkx ? | |
8921 | RISCV_HWPROBE_EXT_ZBKX : 0; | |
8922 | value |= cfg->ext_zknd ? | |
8923 | RISCV_HWPROBE_EXT_ZKND : 0; | |
8924 | value |= cfg->ext_zkne ? | |
8925 | RISCV_HWPROBE_EXT_ZKNE : 0; | |
8926 | value |= cfg->ext_zknh ? | |
8927 | RISCV_HWPROBE_EXT_ZKNH : 0; | |
8928 | value |= cfg->ext_zksed ? | |
8929 | RISCV_HWPROBE_EXT_ZKSED : 0; | |
8930 | value |= cfg->ext_zksh ? | |
8931 | RISCV_HWPROBE_EXT_ZKSH : 0; | |
8932 | value |= cfg->ext_zkt ? | |
8933 | RISCV_HWPROBE_EXT_ZKT : 0; | |
8934 | value |= cfg->ext_zvbb ? | |
8935 | RISCV_HWPROBE_EXT_ZVBB : 0; | |
8936 | value |= cfg->ext_zvbc ? | |
8937 | RISCV_HWPROBE_EXT_ZVBC : 0; | |
8938 | value |= cfg->ext_zvkb ? | |
8939 | RISCV_HWPROBE_EXT_ZVKB : 0; | |
8940 | value |= cfg->ext_zvkg ? | |
8941 | RISCV_HWPROBE_EXT_ZVKG : 0; | |
8942 | value |= cfg->ext_zvkned ? | |
8943 | RISCV_HWPROBE_EXT_ZVKNED : 0; | |
8944 | value |= cfg->ext_zvknha ? | |
8945 | RISCV_HWPROBE_EXT_ZVKNHA : 0; | |
8946 | value |= cfg->ext_zvknhb ? | |
8947 | RISCV_HWPROBE_EXT_ZVKNHB : 0; | |
8948 | value |= cfg->ext_zvksed ? | |
8949 | RISCV_HWPROBE_EXT_ZVKSED : 0; | |
8950 | value |= cfg->ext_zvksh ? | |
8951 | RISCV_HWPROBE_EXT_ZVKSH : 0; | |
8952 | value |= cfg->ext_zvkt ? | |
8953 | RISCV_HWPROBE_EXT_ZVKT : 0; | |
8954 | value |= cfg->ext_zfh ? | |
8955 | RISCV_HWPROBE_EXT_ZFH : 0; | |
8956 | value |= cfg->ext_zfhmin ? | |
8957 | RISCV_HWPROBE_EXT_ZFHMIN : 0; | |
8958 | value |= cfg->ext_zihintntl ? | |
8959 | RISCV_HWPROBE_EXT_ZIHINTNTL : 0; | |
8960 | value |= cfg->ext_zvfh ? | |
8961 | RISCV_HWPROBE_EXT_ZVFH : 0; | |
8962 | value |= cfg->ext_zvfhmin ? | |
8963 | RISCV_HWPROBE_EXT_ZVFHMIN : 0; | |
8964 | value |= cfg->ext_zfa ? | |
8965 | RISCV_HWPROBE_EXT_ZFA : 0; | |
4f1a53b3 CM |
8966 | value |= cfg->ext_ztso ? |
8967 | RISCV_HWPROBE_EXT_ZTSO : 0; | |
a3432cf2 CM |
8968 | value |= cfg->ext_zacas ? |
8969 | RISCV_HWPROBE_EXT_ZACAS : 0; | |
8970 | value |= cfg->ext_zicond ? | |
8971 | RISCV_HWPROBE_EXT_ZICOND : 0; | |
9e1c7d98 RE |
8972 | __put_user(value, &pair->value); |
8973 | break; | |
8974 | case RISCV_HWPROBE_KEY_CPUPERF_0: | |
8975 | __put_user(RISCV_HWPROBE_MISALIGNED_FAST, &pair->value); | |
8976 | break; | |
301c65f4 PD |
8977 | case RISCV_HWPROBE_KEY_ZICBOZ_BLOCK_SIZE: |
8978 | value = cfg->ext_zicboz ? cfg->cboz_blocksize : 0; | |
8979 | __put_user(value, &pair->value); | |
8980 | break; | |
9e1c7d98 RE |
8981 | default: |
8982 | __put_user(-1, &pair->key); | |
8983 | break; | |
8984 | } | |
8985 | } | |
8986 | } | |
8987 | ||
8988 | static int cpu_set_valid(abi_long arg3, abi_long arg4) | |
8989 | { | |
8990 | int ret, i, tmp; | |
8991 | size_t host_mask_size, target_mask_size; | |
8992 | unsigned long *host_mask; | |
8993 | ||
8994 | /* | |
8995 | * cpu_set_t represent CPU masks as bit masks of type unsigned long *. | |
8996 | * arg3 contains the cpu count. | |
8997 | */ | |
8998 | tmp = (8 * sizeof(abi_ulong)); | |
8999 | target_mask_size = ((arg3 + tmp - 1) / tmp) * sizeof(abi_ulong); | |
9000 | host_mask_size = (target_mask_size + (sizeof(*host_mask) - 1)) & | |
9001 | ~(sizeof(*host_mask) - 1); | |
9002 | ||
9003 | host_mask = alloca(host_mask_size); | |
9004 | ||
9005 | ret = target_to_host_cpu_mask(host_mask, host_mask_size, | |
9006 | arg4, target_mask_size); | |
9007 | if (ret != 0) { | |
9008 | return ret; | |
9009 | } | |
9010 | ||
9011 | for (i = 0 ; i < host_mask_size / sizeof(*host_mask); i++) { | |
9012 | if (host_mask[i] != 0) { | |
9013 | return 0; | |
9014 | } | |
9015 | } | |
9016 | return -TARGET_EINVAL; | |
9017 | } | |
9018 | ||
9019 | static abi_long do_riscv_hwprobe(CPUArchState *cpu_env, abi_long arg1, | |
9020 | abi_long arg2, abi_long arg3, | |
9021 | abi_long arg4, abi_long arg5) | |
9022 | { | |
9023 | int ret; | |
9024 | struct riscv_hwprobe *host_pairs; | |
9025 | ||
9026 | /* flags must be 0 */ | |
9027 | if (arg5 != 0) { | |
9028 | return -TARGET_EINVAL; | |
9029 | } | |
9030 | ||
9031 | /* check cpu_set */ | |
9032 | if (arg3 != 0) { | |
9033 | ret = cpu_set_valid(arg3, arg4); | |
9034 | if (ret != 0) { | |
9035 | return ret; | |
9036 | } | |
9037 | } else if (arg4 != 0) { | |
9038 | return -TARGET_EINVAL; | |
9039 | } | |
9040 | ||
9041 | /* no pairs */ | |
9042 | if (arg2 == 0) { | |
9043 | return 0; | |
9044 | } | |
9045 | ||
9046 | host_pairs = lock_user(VERIFY_WRITE, arg1, | |
9047 | sizeof(*host_pairs) * (size_t)arg2, 0); | |
9048 | if (host_pairs == NULL) { | |
9049 | return -TARGET_EFAULT; | |
9050 | } | |
9051 | risc_hwprobe_fill_pairs(cpu_env, host_pairs, arg2); | |
9052 | unlock_user(host_pairs, arg1, sizeof(*host_pairs) * (size_t)arg2); | |
9053 | return 0; | |
9054 | } | |
9055 | #endif /* TARGET_NR_riscv_hwprobe */ | |
9056 | ||
e10fbe8f YT |
9057 | #if defined(TARGET_NR_pivot_root) && defined(__NR_pivot_root) |
9058 | _syscall2(int, pivot_root, const char *, new_root, const char *, put_old) | |
9059 | #endif | |
9060 | ||
7f696cdd TW |
9061 | #if defined(TARGET_NR_open_tree) && defined(__NR_open_tree) |
9062 | #define __NR_sys_open_tree __NR_open_tree | |
9063 | _syscall3(int, sys_open_tree, int, __dfd, const char *, __filename, | |
9064 | unsigned int, __flags) | |
9065 | #endif | |
9066 | ||
4b2d2753 TW |
9067 | #if defined(TARGET_NR_move_mount) && defined(__NR_move_mount) |
9068 | #define __NR_sys_move_mount __NR_move_mount | |
9069 | _syscall5(int, sys_move_mount, int, __from_dfd, const char *, __from_pathname, | |
9070 | int, __to_dfd, const char *, __to_pathname, unsigned int, flag) | |
9071 | #endif | |
9072 | ||
dc1ce18b RH |
9073 | /* This is an internal helper for do_syscall so that it is easier |
9074 | * to have a single return point, so that actions, such as logging | |
9075 | * of syscall results, can be performed. | |
9076 | * All errnos that do_syscall() returns must be -TARGET_<errcode>. | |
9077 | */ | |
a0939b89 | 9078 | static abi_long do_syscall1(CPUArchState *cpu_env, int num, abi_long arg1, |
dc1ce18b RH |
9079 | abi_long arg2, abi_long arg3, abi_long arg4, |
9080 | abi_long arg5, abi_long arg6, abi_long arg7, | |
9081 | abi_long arg8) | |
31e31b8a | 9082 | { |
29a0af61 | 9083 | CPUState *cpu = env_cpu(cpu_env); |
992f48a0 | 9084 | abi_long ret; |
4f7f8924 AR |
9085 | #if defined(TARGET_NR_stat) || defined(TARGET_NR_stat64) \ |
9086 | || defined(TARGET_NR_lstat) || defined(TARGET_NR_lstat64) \ | |
efa92184 AR |
9087 | || defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64) \ |
9088 | || defined(TARGET_NR_statx) | |
31e31b8a | 9089 | struct stat st; |
4f7f8924 AR |
9090 | #endif |
9091 | #if defined(TARGET_NR_statfs) || defined(TARGET_NR_statfs64) \ | |
9092 | || defined(TARGET_NR_fstatfs) | |
56c8f68f | 9093 | struct statfs stfs; |
4f7f8924 | 9094 | #endif |
53a5960a | 9095 | void *p; |
3b46e624 | 9096 | |
31e31b8a FB |
9097 | switch(num) { |
9098 | case TARGET_NR_exit: | |
9b056fcc | 9099 | /* In old applications this may be used to implement _exit(2). |
6f9ff551 | 9100 | However in threaded applications it is used for thread termination, |
9b056fcc AF |
9101 | and _exit_group is used for application termination. |
9102 | Do thread termination if we have more then one thread. */ | |
a0995886 TB |
9103 | |
9104 | if (block_signals()) { | |
af254a27 | 9105 | return -QEMU_ERESTARTSYS; |
a0995886 TB |
9106 | } |
9107 | ||
1f81ce90 | 9108 | pthread_mutex_lock(&clone_lock); |
dd1f6349 | 9109 | |
bdc44640 | 9110 | if (CPU_NEXT(first_cpu)) { |
e4e5cb4a | 9111 | TaskState *ts = get_task_state(cpu); |
9b056fcc | 9112 | |
6490d9aa RH |
9113 | if (ts->child_tidptr) { |
9114 | put_user_u32(0, ts->child_tidptr); | |
9115 | do_sys_futex(g2h(cpu, ts->child_tidptr), | |
9116 | FUTEX_WAKE, INT_MAX, NULL, NULL, 0); | |
9117 | } | |
9118 | ||
9119 | object_unparent(OBJECT(cpu)); | |
1f81ce90 AB |
9120 | object_unref(OBJECT(cpu)); |
9121 | /* | |
9122 | * At this point the CPU should be unrealized and removed | |
9123 | * from cpu lists. We can clean-up the rest of the thread | |
9124 | * data without the lock held. | |
9125 | */ | |
dd1f6349 | 9126 | |
1f81ce90 | 9127 | pthread_mutex_unlock(&clone_lock); |
dd1f6349 | 9128 | |
a2247f8e | 9129 | thread_cpu = NULL; |
9b056fcc | 9130 | g_free(ts); |
70903763 | 9131 | rcu_unregister_thread(); |
9b056fcc AF |
9132 | pthread_exit(NULL); |
9133 | } | |
dd1f6349 | 9134 | |
1f81ce90 | 9135 | pthread_mutex_unlock(&clone_lock); |
708b6a64 | 9136 | preexit_cleanup(cpu_env, arg1); |
c2764719 | 9137 | _exit(arg1); |
72eb7ea8 | 9138 | return 0; /* avoid warning */ |
31e31b8a | 9139 | case TARGET_NR_read: |
ba584f1d AS |
9140 | if (arg2 == 0 && arg3 == 0) { |
9141 | return get_errno(safe_read(arg1, 0, 0)); | |
72eb7ea8 | 9142 | } else { |
38d840e6 | 9143 | if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) |
2852aafd | 9144 | return -TARGET_EFAULT; |
50afd02b | 9145 | ret = get_errno(safe_read(arg1, p, arg3)); |
e36800c9 | 9146 | if (ret >= 0 && |
5d4d3665 LV |
9147 | fd_trans_host_to_target_data(arg1)) { |
9148 | ret = fd_trans_host_to_target_data(arg1)(p, ret); | |
e36800c9 | 9149 | } |
38d840e6 AJ |
9150 | unlock_user(p, arg2, ret); |
9151 | } | |
72eb7ea8 | 9152 | return ret; |
31e31b8a | 9153 | case TARGET_NR_write: |
58cfa6c2 TGJ |
9154 | if (arg2 == 0 && arg3 == 0) { |
9155 | return get_errno(safe_write(arg1, 0, 0)); | |
9156 | } | |
579a97f7 | 9157 | if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
2852aafd | 9158 | return -TARGET_EFAULT; |
04b9bcf9 LV |
9159 | if (fd_trans_target_to_host_data(arg1)) { |
9160 | void *copy = g_malloc(arg3); | |
9161 | memcpy(copy, p, arg3); | |
9162 | ret = fd_trans_target_to_host_data(arg1)(copy, arg3); | |
9163 | if (ret >= 0) { | |
9164 | ret = get_errno(safe_write(arg1, copy, ret)); | |
9165 | } | |
9166 | g_free(copy); | |
9167 | } else { | |
9168 | ret = get_errno(safe_write(arg1, p, arg3)); | |
9169 | } | |
53a5960a | 9170 | unlock_user(p, arg2, 0); |
72eb7ea8 RH |
9171 | return ret; |
9172 | ||
704eff6c | 9173 | #ifdef TARGET_NR_open |
31e31b8a | 9174 | case TARGET_NR_open: |
2f619698 | 9175 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9176 | return -TARGET_EFAULT; |
a4dab0a0 | 9177 | ret = get_errno(do_guest_openat(cpu_env, AT_FDCWD, p, |
0b2effd7 | 9178 | target_to_host_bitmask(arg2, fcntl_flags_tbl), |
35be898e | 9179 | arg3, true)); |
e36800c9 | 9180 | fd_trans_unregister(ret); |
53a5960a | 9181 | unlock_user(p, arg1, 0); |
72eb7ea8 | 9182 | return ret; |
704eff6c | 9183 | #endif |
82424832 | 9184 | case TARGET_NR_openat: |
579a97f7 | 9185 | if (!(p = lock_user_string(arg2))) |
2852aafd | 9186 | return -TARGET_EFAULT; |
a4dab0a0 | 9187 | ret = get_errno(do_guest_openat(cpu_env, arg1, p, |
0b2effd7 | 9188 | target_to_host_bitmask(arg3, fcntl_flags_tbl), |
35be898e | 9189 | arg4, true)); |
e36800c9 | 9190 | fd_trans_unregister(ret); |
579a97f7 | 9191 | unlock_user(p, arg2, 0); |
72eb7ea8 | 9192 | return ret; |
0f0426f3 LV |
9193 | #if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) |
9194 | case TARGET_NR_name_to_handle_at: | |
9195 | ret = do_name_to_handle_at(arg1, arg2, arg3, arg4, arg5); | |
72eb7ea8 | 9196 | return ret; |
0f0426f3 LV |
9197 | #endif |
9198 | #if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) | |
9199 | case TARGET_NR_open_by_handle_at: | |
9200 | ret = do_open_by_handle_at(arg1, arg2, arg3); | |
e36800c9 | 9201 | fd_trans_unregister(ret); |
72eb7ea8 | 9202 | return ret; |
cc054c6f HD |
9203 | #endif |
9204 | #if defined(__NR_pidfd_open) && defined(TARGET_NR_pidfd_open) | |
9205 | case TARGET_NR_pidfd_open: | |
9206 | return get_errno(pidfd_open(arg1, arg2)); | |
9207 | #endif | |
9208 | #if defined(__NR_pidfd_send_signal) && defined(TARGET_NR_pidfd_send_signal) | |
9209 | case TARGET_NR_pidfd_send_signal: | |
9210 | { | |
46187d70 | 9211 | siginfo_t uinfo, *puinfo; |
cc054c6f | 9212 | |
46187d70 LV |
9213 | if (arg3) { |
9214 | p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1); | |
9215 | if (!p) { | |
9216 | return -TARGET_EFAULT; | |
9217 | } | |
9218 | target_to_host_siginfo(&uinfo, p); | |
9219 | unlock_user(p, arg3, 0); | |
9220 | puinfo = &uinfo; | |
9221 | } else { | |
9222 | puinfo = NULL; | |
cc054c6f | 9223 | } |
cc054c6f | 9224 | ret = get_errno(pidfd_send_signal(arg1, target_to_host_signal(arg2), |
46187d70 | 9225 | puinfo, arg4)); |
cc054c6f HD |
9226 | } |
9227 | return ret; | |
9228 | #endif | |
9229 | #if defined(__NR_pidfd_getfd) && defined(TARGET_NR_pidfd_getfd) | |
9230 | case TARGET_NR_pidfd_getfd: | |
9231 | return get_errno(pidfd_getfd(arg1, arg2, arg3)); | |
0f0426f3 | 9232 | #endif |
31e31b8a | 9233 | case TARGET_NR_close: |
e36800c9 | 9234 | fd_trans_unregister(arg1); |
72eb7ea8 | 9235 | return get_errno(close(arg1)); |
af804f39 HD |
9236 | #if defined(__NR_close_range) && defined(TARGET_NR_close_range) |
9237 | case TARGET_NR_close_range: | |
9238 | ret = get_errno(sys_close_range(arg1, arg2, arg3)); | |
9239 | if (ret == 0 && !(arg3 & CLOSE_RANGE_CLOEXEC)) { | |
9240 | abi_long fd, maxfd; | |
9241 | maxfd = MIN(arg2, target_fd_max); | |
9242 | for (fd = arg1; fd < maxfd; fd++) { | |
9243 | fd_trans_unregister(fd); | |
9244 | } | |
9245 | } | |
9246 | return ret; | |
9247 | #endif | |
72eb7ea8 | 9248 | |
31e31b8a | 9249 | case TARGET_NR_brk: |
72eb7ea8 | 9250 | return do_brk(arg1); |
704eff6c | 9251 | #ifdef TARGET_NR_fork |
31e31b8a | 9252 | case TARGET_NR_fork: |
72eb7ea8 | 9253 | return get_errno(do_fork(cpu_env, TARGET_SIGCHLD, 0, 0, 0, 0)); |
704eff6c | 9254 | #endif |
e5febef5 | 9255 | #ifdef TARGET_NR_waitpid |
31e31b8a FB |
9256 | case TARGET_NR_waitpid: |
9257 | { | |
53a5960a | 9258 | int status; |
4af80a37 | 9259 | ret = get_errno(safe_wait4(arg1, &status, arg3, 0)); |
5379557b | 9260 | if (!is_error(ret) && arg2 && ret |
1d9d8b55 | 9261 | && put_user_s32(host_to_target_waitstatus(status), arg2)) |
2852aafd | 9262 | return -TARGET_EFAULT; |
31e31b8a | 9263 | } |
72eb7ea8 | 9264 | return ret; |
e5febef5 | 9265 | #endif |
f0cbb613 PB |
9266 | #ifdef TARGET_NR_waitid |
9267 | case TARGET_NR_waitid: | |
9268 | { | |
f0907ff4 | 9269 | struct rusage ru; |
f0cbb613 | 9270 | siginfo_t info; |
f0907ff4 RH |
9271 | |
9272 | ret = get_errno(safe_waitid(arg1, arg2, (arg3 ? &info : NULL), | |
9273 | arg4, (arg5 ? &ru : NULL))); | |
9274 | if (!is_error(ret)) { | |
9275 | if (arg3) { | |
9276 | p = lock_user(VERIFY_WRITE, arg3, | |
9277 | sizeof(target_siginfo_t), 0); | |
9278 | if (!p) { | |
9279 | return -TARGET_EFAULT; | |
9280 | } | |
9281 | host_to_target_siginfo(p, &info); | |
9282 | unlock_user(p, arg3, sizeof(target_siginfo_t)); | |
9283 | } | |
9284 | if (arg5 && host_to_target_rusage(arg5, &ru)) { | |
2852aafd | 9285 | return -TARGET_EFAULT; |
f0907ff4 | 9286 | } |
f0cbb613 PB |
9287 | } |
9288 | } | |
72eb7ea8 | 9289 | return ret; |
f0cbb613 | 9290 | #endif |
7a3148a9 | 9291 | #ifdef TARGET_NR_creat /* not on alpha */ |
31e31b8a | 9292 | case TARGET_NR_creat: |
579a97f7 | 9293 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9294 | return -TARGET_EFAULT; |
53a5960a | 9295 | ret = get_errno(creat(p, arg2)); |
e36800c9 | 9296 | fd_trans_unregister(ret); |
53a5960a | 9297 | unlock_user(p, arg1, 0); |
72eb7ea8 | 9298 | return ret; |
7a3148a9 | 9299 | #endif |
704eff6c | 9300 | #ifdef TARGET_NR_link |
31e31b8a | 9301 | case TARGET_NR_link: |
53a5960a PB |
9302 | { |
9303 | void * p2; | |
9304 | p = lock_user_string(arg1); | |
9305 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
9306 | if (!p || !p2) |
9307 | ret = -TARGET_EFAULT; | |
9308 | else | |
9309 | ret = get_errno(link(p, p2)); | |
53a5960a PB |
9310 | unlock_user(p2, arg2, 0); |
9311 | unlock_user(p, arg1, 0); | |
9312 | } | |
72eb7ea8 | 9313 | return ret; |
704eff6c | 9314 | #endif |
c0d472b1 | 9315 | #if defined(TARGET_NR_linkat) |
64f0ce4c | 9316 | case TARGET_NR_linkat: |
64f0ce4c TS |
9317 | { |
9318 | void * p2 = NULL; | |
579a97f7 | 9319 | if (!arg2 || !arg4) |
2852aafd | 9320 | return -TARGET_EFAULT; |
64f0ce4c TS |
9321 | p = lock_user_string(arg2); |
9322 | p2 = lock_user_string(arg4); | |
579a97f7 | 9323 | if (!p || !p2) |
0da46a6e | 9324 | ret = -TARGET_EFAULT; |
64f0ce4c | 9325 | else |
c0d472b1 | 9326 | ret = get_errno(linkat(arg1, p, arg3, p2, arg5)); |
579a97f7 FB |
9327 | unlock_user(p, arg2, 0); |
9328 | unlock_user(p2, arg4, 0); | |
64f0ce4c | 9329 | } |
72eb7ea8 | 9330 | return ret; |
64f0ce4c | 9331 | #endif |
704eff6c | 9332 | #ifdef TARGET_NR_unlink |
31e31b8a | 9333 | case TARGET_NR_unlink: |
579a97f7 | 9334 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9335 | return -TARGET_EFAULT; |
53a5960a PB |
9336 | ret = get_errno(unlink(p)); |
9337 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9338 | return ret; |
704eff6c | 9339 | #endif |
c0d472b1 | 9340 | #if defined(TARGET_NR_unlinkat) |
8170f56b | 9341 | case TARGET_NR_unlinkat: |
579a97f7 | 9342 | if (!(p = lock_user_string(arg2))) |
2852aafd | 9343 | return -TARGET_EFAULT; |
c0d472b1 | 9344 | ret = get_errno(unlinkat(arg1, p, arg3)); |
579a97f7 | 9345 | unlock_user(p, arg2, 0); |
72eb7ea8 | 9346 | return ret; |
b7d35e65 | 9347 | #endif |
55bbe4d5 | 9348 | case TARGET_NR_execveat: |
7a8d9f3a | 9349 | return do_execv(cpu_env, arg1, arg2, arg3, arg4, arg5, true); |
31e31b8a | 9350 | case TARGET_NR_execve: |
7a8d9f3a | 9351 | return do_execv(cpu_env, AT_FDCWD, arg1, arg2, arg3, 0, false); |
31e31b8a | 9352 | case TARGET_NR_chdir: |
579a97f7 | 9353 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9354 | return -TARGET_EFAULT; |
53a5960a PB |
9355 | ret = get_errno(chdir(p)); |
9356 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9357 | return ret; |
a315a145 | 9358 | #ifdef TARGET_NR_time |
31e31b8a FB |
9359 | case TARGET_NR_time: |
9360 | { | |
53a5960a PB |
9361 | time_t host_time; |
9362 | ret = get_errno(time(&host_time)); | |
2f619698 FB |
9363 | if (!is_error(ret) |
9364 | && arg1 | |
9365 | && put_user_sal(host_time, arg1)) | |
2852aafd | 9366 | return -TARGET_EFAULT; |
31e31b8a | 9367 | } |
72eb7ea8 | 9368 | return ret; |
a315a145 | 9369 | #endif |
704eff6c | 9370 | #ifdef TARGET_NR_mknod |
31e31b8a | 9371 | case TARGET_NR_mknod: |
579a97f7 | 9372 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9373 | return -TARGET_EFAULT; |
53a5960a PB |
9374 | ret = get_errno(mknod(p, arg2, arg3)); |
9375 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9376 | return ret; |
704eff6c | 9377 | #endif |
c0d472b1 | 9378 | #if defined(TARGET_NR_mknodat) |
75ac37a0 | 9379 | case TARGET_NR_mknodat: |
579a97f7 | 9380 | if (!(p = lock_user_string(arg2))) |
2852aafd | 9381 | return -TARGET_EFAULT; |
c0d472b1 | 9382 | ret = get_errno(mknodat(arg1, p, arg3, arg4)); |
579a97f7 | 9383 | unlock_user(p, arg2, 0); |
72eb7ea8 | 9384 | return ret; |
75ac37a0 | 9385 | #endif |
704eff6c | 9386 | #ifdef TARGET_NR_chmod |
31e31b8a | 9387 | case TARGET_NR_chmod: |
579a97f7 | 9388 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9389 | return -TARGET_EFAULT; |
53a5960a PB |
9390 | ret = get_errno(chmod(p, arg2)); |
9391 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9392 | return ret; |
704eff6c | 9393 | #endif |
4f7f8924 | 9394 | #ifdef TARGET_NR_lseek |
31e31b8a | 9395 | case TARGET_NR_lseek: |
72eb7ea8 | 9396 | return get_errno(lseek(arg1, arg2, arg3)); |
4f7f8924 | 9397 | #endif |
9231733a RH |
9398 | #if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA) |
9399 | /* Alpha specific */ | |
7a3148a9 | 9400 | case TARGET_NR_getxpid: |
0effdc29 | 9401 | cpu_env->ir[IR_A4] = getppid(); |
72eb7ea8 | 9402 | return get_errno(getpid()); |
7a3148a9 | 9403 | #endif |
9231733a RH |
9404 | #ifdef TARGET_NR_getpid |
9405 | case TARGET_NR_getpid: | |
72eb7ea8 | 9406 | return get_errno(getpid()); |
9231733a | 9407 | #endif |
31e31b8a | 9408 | case TARGET_NR_mount: |
356d771b PB |
9409 | { |
9410 | /* need to look at the data field */ | |
9411 | void *p2, *p3; | |
9412 | ||
9413 | if (arg1) { | |
9414 | p = lock_user_string(arg1); | |
9415 | if (!p) { | |
2852aafd | 9416 | return -TARGET_EFAULT; |
356d771b PB |
9417 | } |
9418 | } else { | |
9419 | p = NULL; | |
9420 | } | |
9421 | ||
9422 | p2 = lock_user_string(arg2); | |
9423 | if (!p2) { | |
9424 | if (arg1) { | |
9425 | unlock_user(p, arg1, 0); | |
9426 | } | |
2852aafd | 9427 | return -TARGET_EFAULT; |
356d771b PB |
9428 | } |
9429 | ||
9430 | if (arg3) { | |
9431 | p3 = lock_user_string(arg3); | |
9432 | if (!p3) { | |
9433 | if (arg1) { | |
579a97f7 | 9434 | unlock_user(p, arg1, 0); |
356d771b PB |
9435 | } |
9436 | unlock_user(p2, arg2, 0); | |
2852aafd | 9437 | return -TARGET_EFAULT; |
356d771b PB |
9438 | } |
9439 | } else { | |
9440 | p3 = NULL; | |
9441 | } | |
9442 | ||
9443 | /* FIXME - arg5 should be locked, but it isn't clear how to | |
9444 | * do that since it's not guaranteed to be a NULL-terminated | |
9445 | * string. | |
9446 | */ | |
9447 | if (!arg5) { | |
9448 | ret = mount(p, p2, p3, (unsigned long)arg4, NULL); | |
9449 | } else { | |
3e8f1628 | 9450 | ret = mount(p, p2, p3, (unsigned long)arg4, g2h(cpu, arg5)); |
356d771b PB |
9451 | } |
9452 | ret = get_errno(ret); | |
9453 | ||
9454 | if (arg1) { | |
9455 | unlock_user(p, arg1, 0); | |
9456 | } | |
9457 | unlock_user(p2, arg2, 0); | |
9458 | if (arg3) { | |
9459 | unlock_user(p3, arg3, 0); | |
9460 | } | |
9461 | } | |
72eb7ea8 | 9462 | return ret; |
6eb9dbf6 LV |
9463 | #if defined(TARGET_NR_umount) || defined(TARGET_NR_oldumount) |
9464 | #if defined(TARGET_NR_umount) | |
31e31b8a | 9465 | case TARGET_NR_umount: |
6eb9dbf6 LV |
9466 | #endif |
9467 | #if defined(TARGET_NR_oldumount) | |
9468 | case TARGET_NR_oldumount: | |
9469 | #endif | |
579a97f7 | 9470 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9471 | return -TARGET_EFAULT; |
53a5960a PB |
9472 | ret = get_errno(umount(p)); |
9473 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9474 | return ret; |
e5febef5 | 9475 | #endif |
4b2d2753 TW |
9476 | #if defined(TARGET_NR_move_mount) && defined(__NR_move_mount) |
9477 | case TARGET_NR_move_mount: | |
9478 | { | |
9479 | void *p2, *p4; | |
9480 | ||
9481 | if (!arg2 || !arg4) { | |
9482 | return -TARGET_EFAULT; | |
9483 | } | |
9484 | ||
9485 | p2 = lock_user_string(arg2); | |
9486 | if (!p2) { | |
9487 | return -TARGET_EFAULT; | |
9488 | } | |
9489 | ||
9490 | p4 = lock_user_string(arg4); | |
9491 | if (!p4) { | |
9492 | unlock_user(p2, arg2, 0); | |
9493 | return -TARGET_EFAULT; | |
9494 | } | |
9495 | ret = get_errno(sys_move_mount(arg1, p2, arg3, p4, arg5)); | |
9496 | ||
9497 | unlock_user(p2, arg2, 0); | |
9498 | unlock_user(p4, arg4, 0); | |
9499 | ||
9500 | return ret; | |
9501 | } | |
9502 | #endif | |
7f696cdd TW |
9503 | #if defined(TARGET_NR_open_tree) && defined(__NR_open_tree) |
9504 | case TARGET_NR_open_tree: | |
9505 | { | |
9506 | void *p2; | |
9507 | int host_flags; | |
9508 | ||
9509 | if (!arg2) { | |
9510 | return -TARGET_EFAULT; | |
9511 | } | |
9512 | ||
9513 | p2 = lock_user_string(arg2); | |
9514 | if (!p2) { | |
9515 | return -TARGET_EFAULT; | |
9516 | } | |
9517 | ||
9518 | host_flags = arg3 & ~TARGET_O_CLOEXEC; | |
9519 | if (arg3 & TARGET_O_CLOEXEC) { | |
9520 | host_flags |= O_CLOEXEC; | |
9521 | } | |
9522 | ||
9523 | ret = get_errno(sys_open_tree(arg1, p2, host_flags)); | |
9524 | ||
9525 | unlock_user(p2, arg2, 0); | |
9526 | ||
9527 | return ret; | |
9528 | } | |
9529 | #endif | |
7a3148a9 | 9530 | #ifdef TARGET_NR_stime /* not on alpha */ |
31e31b8a FB |
9531 | case TARGET_NR_stime: |
9532 | { | |
0f1f2d45 LV |
9533 | struct timespec ts; |
9534 | ts.tv_nsec = 0; | |
9535 | if (get_user_sal(ts.tv_sec, arg1)) { | |
2852aafd | 9536 | return -TARGET_EFAULT; |
0f1f2d45 LV |
9537 | } |
9538 | return get_errno(clock_settime(CLOCK_REALTIME, &ts)); | |
31e31b8a | 9539 | } |
7a3148a9 | 9540 | #endif |
7a3148a9 | 9541 | #ifdef TARGET_NR_alarm /* not on alpha */ |
31e31b8a | 9542 | case TARGET_NR_alarm: |
72eb7ea8 | 9543 | return alarm(arg1); |
7a3148a9 | 9544 | #endif |
7a3148a9 | 9545 | #ifdef TARGET_NR_pause /* not on alpha */ |
31e31b8a | 9546 | case TARGET_NR_pause: |
f59ec606 | 9547 | if (!block_signals()) { |
e4e5cb4a | 9548 | sigsuspend(&get_task_state(cpu)->signal_mask); |
f59ec606 | 9549 | } |
72eb7ea8 | 9550 | return -TARGET_EINTR; |
7a3148a9 | 9551 | #endif |
e5febef5 | 9552 | #ifdef TARGET_NR_utime |
31e31b8a | 9553 | case TARGET_NR_utime: |
ebc05488 | 9554 | { |
53a5960a PB |
9555 | struct utimbuf tbuf, *host_tbuf; |
9556 | struct target_utimbuf *target_tbuf; | |
9557 | if (arg2) { | |
579a97f7 | 9558 | if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1)) |
2852aafd | 9559 | return -TARGET_EFAULT; |
cbb21eed MB |
9560 | tbuf.actime = tswapal(target_tbuf->actime); |
9561 | tbuf.modtime = tswapal(target_tbuf->modtime); | |
53a5960a PB |
9562 | unlock_user_struct(target_tbuf, arg2, 0); |
9563 | host_tbuf = &tbuf; | |
f72e8ff4 | 9564 | } else { |
53a5960a | 9565 | host_tbuf = NULL; |
f72e8ff4 | 9566 | } |
579a97f7 | 9567 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9568 | return -TARGET_EFAULT; |
53a5960a PB |
9569 | ret = get_errno(utime(p, host_tbuf)); |
9570 | unlock_user(p, arg1, 0); | |
ebc05488 | 9571 | } |
72eb7ea8 | 9572 | return ret; |
e5febef5 | 9573 | #endif |
704eff6c | 9574 | #ifdef TARGET_NR_utimes |
978a66ff FB |
9575 | case TARGET_NR_utimes: |
9576 | { | |
978a66ff | 9577 | struct timeval *tvp, tv[2]; |
53a5960a | 9578 | if (arg2) { |
788f5ec4 TS |
9579 | if (copy_from_user_timeval(&tv[0], arg2) |
9580 | || copy_from_user_timeval(&tv[1], | |
9581 | arg2 + sizeof(struct target_timeval))) | |
2852aafd | 9582 | return -TARGET_EFAULT; |
978a66ff FB |
9583 | tvp = tv; |
9584 | } else { | |
9585 | tvp = NULL; | |
9586 | } | |
579a97f7 | 9587 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9588 | return -TARGET_EFAULT; |
53a5960a PB |
9589 | ret = get_errno(utimes(p, tvp)); |
9590 | unlock_user(p, arg1, 0); | |
978a66ff | 9591 | } |
72eb7ea8 | 9592 | return ret; |
704eff6c | 9593 | #endif |
c0d472b1 | 9594 | #if defined(TARGET_NR_futimesat) |
ac8a6556 AZ |
9595 | case TARGET_NR_futimesat: |
9596 | { | |
9597 | struct timeval *tvp, tv[2]; | |
9598 | if (arg3) { | |
9599 | if (copy_from_user_timeval(&tv[0], arg3) | |
9600 | || copy_from_user_timeval(&tv[1], | |
9601 | arg3 + sizeof(struct target_timeval))) | |
2852aafd | 9602 | return -TARGET_EFAULT; |
ac8a6556 AZ |
9603 | tvp = tv; |
9604 | } else { | |
9605 | tvp = NULL; | |
9606 | } | |
2852aafd RH |
9607 | if (!(p = lock_user_string(arg2))) { |
9608 | return -TARGET_EFAULT; | |
9609 | } | |
c0d472b1 | 9610 | ret = get_errno(futimesat(arg1, path(p), tvp)); |
ac8a6556 AZ |
9611 | unlock_user(p, arg2, 0); |
9612 | } | |
72eb7ea8 | 9613 | return ret; |
ac8a6556 | 9614 | #endif |
704eff6c | 9615 | #ifdef TARGET_NR_access |
31e31b8a | 9616 | case TARGET_NR_access: |
2852aafd RH |
9617 | if (!(p = lock_user_string(arg1))) { |
9618 | return -TARGET_EFAULT; | |
9619 | } | |
719f908e | 9620 | ret = get_errno(access(path(p), arg2)); |
53a5960a | 9621 | unlock_user(p, arg1, 0); |
72eb7ea8 | 9622 | return ret; |
704eff6c | 9623 | #endif |
92a34c10 TS |
9624 | #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat) |
9625 | case TARGET_NR_faccessat: | |
2852aafd RH |
9626 | if (!(p = lock_user_string(arg2))) { |
9627 | return -TARGET_EFAULT; | |
9628 | } | |
c0d472b1 | 9629 | ret = get_errno(faccessat(arg1, p, arg3, 0)); |
579a97f7 | 9630 | unlock_user(p, arg2, 0); |
72eb7ea8 | 9631 | return ret; |
92a34c10 | 9632 | #endif |
35a2c85f WX |
9633 | #if defined(TARGET_NR_faccessat2) |
9634 | case TARGET_NR_faccessat2: | |
9635 | if (!(p = lock_user_string(arg2))) { | |
9636 | return -TARGET_EFAULT; | |
9637 | } | |
9638 | ret = get_errno(faccessat(arg1, p, arg3, arg4)); | |
9639 | unlock_user(p, arg2, 0); | |
9640 | return ret; | |
9641 | #endif | |
7a3148a9 | 9642 | #ifdef TARGET_NR_nice /* not on alpha */ |
31e31b8a | 9643 | case TARGET_NR_nice: |
72eb7ea8 | 9644 | return get_errno(nice(arg1)); |
ebc05488 | 9645 | #endif |
31e31b8a | 9646 | case TARGET_NR_sync: |
04369ff2 | 9647 | sync(); |
72eb7ea8 | 9648 | return 0; |
5a03cd00 AM |
9649 | #if defined(TARGET_NR_syncfs) && defined(CONFIG_SYNCFS) |
9650 | case TARGET_NR_syncfs: | |
72eb7ea8 | 9651 | return get_errno(syncfs(arg1)); |
5a03cd00 | 9652 | #endif |
31e31b8a | 9653 | case TARGET_NR_kill: |
72eb7ea8 | 9654 | return get_errno(safe_kill(arg1, target_to_host_signal(arg2))); |
704eff6c | 9655 | #ifdef TARGET_NR_rename |
31e31b8a | 9656 | case TARGET_NR_rename: |
53a5960a PB |
9657 | { |
9658 | void *p2; | |
9659 | p = lock_user_string(arg1); | |
9660 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
9661 | if (!p || !p2) |
9662 | ret = -TARGET_EFAULT; | |
9663 | else | |
9664 | ret = get_errno(rename(p, p2)); | |
53a5960a PB |
9665 | unlock_user(p2, arg2, 0); |
9666 | unlock_user(p, arg1, 0); | |
9667 | } | |
72eb7ea8 | 9668 | return ret; |
704eff6c | 9669 | #endif |
c0d472b1 | 9670 | #if defined(TARGET_NR_renameat) |
722183f6 | 9671 | case TARGET_NR_renameat: |
722183f6 | 9672 | { |
579a97f7 | 9673 | void *p2; |
722183f6 TS |
9674 | p = lock_user_string(arg2); |
9675 | p2 = lock_user_string(arg4); | |
579a97f7 | 9676 | if (!p || !p2) |
0da46a6e | 9677 | ret = -TARGET_EFAULT; |
722183f6 | 9678 | else |
c0d472b1 | 9679 | ret = get_errno(renameat(arg1, p, arg3, p2)); |
579a97f7 FB |
9680 | unlock_user(p2, arg4, 0); |
9681 | unlock_user(p, arg2, 0); | |
722183f6 | 9682 | } |
72eb7ea8 | 9683 | return ret; |
95d0307c AS |
9684 | #endif |
9685 | #if defined(TARGET_NR_renameat2) | |
9686 | case TARGET_NR_renameat2: | |
9687 | { | |
9688 | void *p2; | |
9689 | p = lock_user_string(arg2); | |
9690 | p2 = lock_user_string(arg4); | |
9691 | if (!p || !p2) { | |
9692 | ret = -TARGET_EFAULT; | |
9693 | } else { | |
9694 | ret = get_errno(sys_renameat2(arg1, p, arg3, p2, arg5)); | |
9695 | } | |
9696 | unlock_user(p2, arg4, 0); | |
9697 | unlock_user(p, arg2, 0); | |
9698 | } | |
72eb7ea8 | 9699 | return ret; |
722183f6 | 9700 | #endif |
704eff6c | 9701 | #ifdef TARGET_NR_mkdir |
31e31b8a | 9702 | case TARGET_NR_mkdir: |
579a97f7 | 9703 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9704 | return -TARGET_EFAULT; |
53a5960a PB |
9705 | ret = get_errno(mkdir(p, arg2)); |
9706 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9707 | return ret; |
704eff6c | 9708 | #endif |
c0d472b1 | 9709 | #if defined(TARGET_NR_mkdirat) |
4472ad0d | 9710 | case TARGET_NR_mkdirat: |
579a97f7 | 9711 | if (!(p = lock_user_string(arg2))) |
2852aafd | 9712 | return -TARGET_EFAULT; |
c0d472b1 | 9713 | ret = get_errno(mkdirat(arg1, p, arg3)); |
579a97f7 | 9714 | unlock_user(p, arg2, 0); |
72eb7ea8 | 9715 | return ret; |
4472ad0d | 9716 | #endif |
704eff6c | 9717 | #ifdef TARGET_NR_rmdir |
31e31b8a | 9718 | case TARGET_NR_rmdir: |
579a97f7 | 9719 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9720 | return -TARGET_EFAULT; |
53a5960a PB |
9721 | ret = get_errno(rmdir(p)); |
9722 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9723 | return ret; |
704eff6c | 9724 | #endif |
31e31b8a FB |
9725 | case TARGET_NR_dup: |
9726 | ret = get_errno(dup(arg1)); | |
e36800c9 LV |
9727 | if (ret >= 0) { |
9728 | fd_trans_dup(arg1, ret); | |
9729 | } | |
72eb7ea8 | 9730 | return ret; |
704eff6c | 9731 | #ifdef TARGET_NR_pipe |
31e31b8a | 9732 | case TARGET_NR_pipe: |
72eb7ea8 | 9733 | return do_pipe(cpu_env, arg1, 0, 0); |
704eff6c | 9734 | #endif |
099d6b0f RV |
9735 | #ifdef TARGET_NR_pipe2 |
9736 | case TARGET_NR_pipe2: | |
72eb7ea8 RH |
9737 | return do_pipe(cpu_env, arg1, |
9738 | target_to_host_bitmask(arg2, fcntl_flags_tbl), 1); | |
099d6b0f | 9739 | #endif |
31e31b8a | 9740 | case TARGET_NR_times: |
32f36bce | 9741 | { |
53a5960a | 9742 | struct target_tms *tmsp; |
32f36bce FB |
9743 | struct tms tms; |
9744 | ret = get_errno(times(&tms)); | |
53a5960a | 9745 | if (arg1) { |
579a97f7 FB |
9746 | tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0); |
9747 | if (!tmsp) | |
2852aafd | 9748 | return -TARGET_EFAULT; |
cbb21eed MB |
9749 | tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime)); |
9750 | tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime)); | |
9751 | tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime)); | |
9752 | tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime)); | |
32f36bce | 9753 | } |
c596ed17 FB |
9754 | if (!is_error(ret)) |
9755 | ret = host_to_target_clock_t(ret); | |
32f36bce | 9756 | } |
72eb7ea8 | 9757 | return ret; |
31e31b8a | 9758 | case TARGET_NR_acct: |
38d840e6 AJ |
9759 | if (arg1 == 0) { |
9760 | ret = get_errno(acct(NULL)); | |
9761 | } else { | |
2852aafd RH |
9762 | if (!(p = lock_user_string(arg1))) { |
9763 | return -TARGET_EFAULT; | |
9764 | } | |
38d840e6 AJ |
9765 | ret = get_errno(acct(path(p))); |
9766 | unlock_user(p, arg1, 0); | |
9767 | } | |
72eb7ea8 | 9768 | return ret; |
8070e7be | 9769 | #ifdef TARGET_NR_umount2 |
31e31b8a | 9770 | case TARGET_NR_umount2: |
579a97f7 | 9771 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9772 | return -TARGET_EFAULT; |
53a5960a PB |
9773 | ret = get_errno(umount2(p, arg2)); |
9774 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9775 | return ret; |
ebc05488 | 9776 | #endif |
31e31b8a | 9777 | case TARGET_NR_ioctl: |
72eb7ea8 | 9778 | return do_ioctl(arg1, arg2, arg3); |
47ae93cd | 9779 | #ifdef TARGET_NR_fcntl |
31e31b8a | 9780 | case TARGET_NR_fcntl: |
72eb7ea8 | 9781 | return do_fcntl(arg1, arg2, arg3); |
ebc05488 | 9782 | #endif |
31e31b8a | 9783 | case TARGET_NR_setpgid: |
72eb7ea8 | 9784 | return get_errno(setpgid(arg1, arg2)); |
31e31b8a | 9785 | case TARGET_NR_umask: |
72eb7ea8 | 9786 | return get_errno(umask(arg1)); |
31e31b8a | 9787 | case TARGET_NR_chroot: |
579a97f7 | 9788 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9789 | return -TARGET_EFAULT; |
53a5960a PB |
9790 | ret = get_errno(chroot(p)); |
9791 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9792 | return ret; |
704eff6c | 9793 | #ifdef TARGET_NR_dup2 |
31e31b8a FB |
9794 | case TARGET_NR_dup2: |
9795 | ret = get_errno(dup2(arg1, arg2)); | |
e36800c9 LV |
9796 | if (ret >= 0) { |
9797 | fd_trans_dup(arg1, arg2); | |
9798 | } | |
72eb7ea8 | 9799 | return ret; |
704eff6c | 9800 | #endif |
d0927938 UH |
9801 | #if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3) |
9802 | case TARGET_NR_dup3: | |
10fa993a PM |
9803 | { |
9804 | int host_flags; | |
9805 | ||
9806 | if ((arg3 & ~TARGET_O_CLOEXEC) != 0) { | |
9807 | return -EINVAL; | |
9808 | } | |
9809 | host_flags = target_to_host_bitmask(arg3, fcntl_flags_tbl); | |
9810 | ret = get_errno(dup3(arg1, arg2, host_flags)); | |
e36800c9 LV |
9811 | if (ret >= 0) { |
9812 | fd_trans_dup(arg1, arg2); | |
9813 | } | |
72eb7ea8 | 9814 | return ret; |
10fa993a | 9815 | } |
d0927938 | 9816 | #endif |
7a3148a9 | 9817 | #ifdef TARGET_NR_getppid /* not on alpha */ |
31e31b8a | 9818 | case TARGET_NR_getppid: |
72eb7ea8 | 9819 | return get_errno(getppid()); |
7a3148a9 | 9820 | #endif |
704eff6c | 9821 | #ifdef TARGET_NR_getpgrp |
31e31b8a | 9822 | case TARGET_NR_getpgrp: |
72eb7ea8 | 9823 | return get_errno(getpgrp()); |
704eff6c | 9824 | #endif |
31e31b8a | 9825 | case TARGET_NR_setsid: |
72eb7ea8 | 9826 | return get_errno(setsid()); |
e5febef5 | 9827 | #ifdef TARGET_NR_sigaction |
31e31b8a | 9828 | case TARGET_NR_sigaction: |
31e31b8a | 9829 | { |
02d0de10 | 9830 | #if defined(TARGET_MIPS) |
106ec879 FB |
9831 | struct target_sigaction act, oact, *pact, *old_act; |
9832 | ||
9833 | if (arg2) { | |
579a97f7 | 9834 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
2852aafd | 9835 | return -TARGET_EFAULT; |
106ec879 FB |
9836 | act._sa_handler = old_act->_sa_handler; |
9837 | target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]); | |
9838 | act.sa_flags = old_act->sa_flags; | |
9839 | unlock_user_struct(old_act, arg2, 0); | |
9840 | pact = &act; | |
9841 | } else { | |
9842 | pact = NULL; | |
9843 | } | |
9844 | ||
02fb28e8 | 9845 | ret = get_errno(do_sigaction(arg1, pact, &oact, 0)); |
106ec879 FB |
9846 | |
9847 | if (!is_error(ret) && arg3) { | |
579a97f7 | 9848 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
2852aafd | 9849 | return -TARGET_EFAULT; |
106ec879 FB |
9850 | old_act->_sa_handler = oact._sa_handler; |
9851 | old_act->sa_flags = oact.sa_flags; | |
9852 | old_act->sa_mask.sig[0] = oact.sa_mask.sig[0]; | |
9853 | old_act->sa_mask.sig[1] = 0; | |
9854 | old_act->sa_mask.sig[2] = 0; | |
9855 | old_act->sa_mask.sig[3] = 0; | |
9856 | unlock_user_struct(old_act, arg3, 1); | |
9857 | } | |
6049f4f8 RH |
9858 | #else |
9859 | struct target_old_sigaction *old_act; | |
9860 | struct target_sigaction act, oact, *pact; | |
9861 | if (arg2) { | |
9862 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) | |
2852aafd | 9863 | return -TARGET_EFAULT; |
6049f4f8 RH |
9864 | act._sa_handler = old_act->_sa_handler; |
9865 | target_siginitset(&act.sa_mask, old_act->sa_mask); | |
9866 | act.sa_flags = old_act->sa_flags; | |
ca192277 | 9867 | #ifdef TARGET_ARCH_HAS_SA_RESTORER |
6049f4f8 | 9868 | act.sa_restorer = old_act->sa_restorer; |
ca192277 | 9869 | #endif |
6049f4f8 RH |
9870 | unlock_user_struct(old_act, arg2, 0); |
9871 | pact = &act; | |
9872 | } else { | |
9873 | pact = NULL; | |
9874 | } | |
02fb28e8 | 9875 | ret = get_errno(do_sigaction(arg1, pact, &oact, 0)); |
6049f4f8 RH |
9876 | if (!is_error(ret) && arg3) { |
9877 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) | |
2852aafd | 9878 | return -TARGET_EFAULT; |
6049f4f8 RH |
9879 | old_act->_sa_handler = oact._sa_handler; |
9880 | old_act->sa_mask = oact.sa_mask.sig[0]; | |
9881 | old_act->sa_flags = oact.sa_flags; | |
ca192277 | 9882 | #ifdef TARGET_ARCH_HAS_SA_RESTORER |
6049f4f8 | 9883 | old_act->sa_restorer = oact.sa_restorer; |
ca192277 | 9884 | #endif |
6049f4f8 RH |
9885 | unlock_user_struct(old_act, arg3, 1); |
9886 | } | |
388bb21a | 9887 | #endif |
31e31b8a | 9888 | } |
72eb7ea8 | 9889 | return ret; |
e5febef5 | 9890 | #endif |
66fb9763 | 9891 | case TARGET_NR_rt_sigaction: |
53a5960a | 9892 | { |
0f6f9903 RH |
9893 | /* |
9894 | * For Alpha and SPARC this is a 5 argument syscall, with | |
78bfef72 PM |
9895 | * a 'restorer' parameter which must be copied into the |
9896 | * sa_restorer field of the sigaction struct. | |
9897 | * For Alpha that 'restorer' is arg5; for SPARC it is arg4, | |
9898 | * and arg5 is the sigsetsize. | |
78bfef72 | 9899 | */ |
0f6f9903 RH |
9900 | #if defined(TARGET_ALPHA) |
9901 | target_ulong sigsetsize = arg4; | |
9902 | target_ulong restorer = arg5; | |
9903 | #elif defined(TARGET_SPARC) | |
78bfef72 PM |
9904 | target_ulong restorer = arg4; |
9905 | target_ulong sigsetsize = arg5; | |
9906 | #else | |
9907 | target_ulong sigsetsize = arg4; | |
02fb28e8 | 9908 | target_ulong restorer = 0; |
78bfef72 | 9909 | #endif |
fb80439b RH |
9910 | struct target_sigaction *act = NULL; |
9911 | struct target_sigaction *oact = NULL; | |
53a5960a | 9912 | |
78bfef72 | 9913 | if (sigsetsize != sizeof(target_sigset_t)) { |
72eb7ea8 | 9914 | return -TARGET_EINVAL; |
c815701e | 9915 | } |
fb80439b RH |
9916 | if (arg2 && !lock_user_struct(VERIFY_READ, act, arg2, 1)) { |
9917 | return -TARGET_EFAULT; | |
78bfef72 | 9918 | } |
fb80439b RH |
9919 | if (arg3 && !lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) { |
9920 | ret = -TARGET_EFAULT; | |
9921 | } else { | |
9922 | ret = get_errno(do_sigaction(arg1, act, oact, restorer)); | |
9923 | if (oact) { | |
9924 | unlock_user_struct(oact, arg3, 1); | |
579a97f7 | 9925 | } |
fb80439b RH |
9926 | } |
9927 | if (act) { | |
53a5960a | 9928 | unlock_user_struct(act, arg2, 0); |
fb80439b | 9929 | } |
53a5960a | 9930 | } |
72eb7ea8 | 9931 | return ret; |
7a3148a9 | 9932 | #ifdef TARGET_NR_sgetmask /* not on alpha */ |
31e31b8a | 9933 | case TARGET_NR_sgetmask: |
66fb9763 FB |
9934 | { |
9935 | sigset_t cur_set; | |
992f48a0 | 9936 | abi_ulong target_set; |
3d3efba0 PM |
9937 | ret = do_sigprocmask(0, NULL, &cur_set); |
9938 | if (!ret) { | |
9939 | host_to_target_old_sigset(&target_set, &cur_set); | |
9940 | ret = target_set; | |
9941 | } | |
66fb9763 | 9942 | } |
72eb7ea8 | 9943 | return ret; |
7a3148a9 JM |
9944 | #endif |
9945 | #ifdef TARGET_NR_ssetmask /* not on alpha */ | |
31e31b8a | 9946 | case TARGET_NR_ssetmask: |
66fb9763 | 9947 | { |
a8617d8c | 9948 | sigset_t set, oset; |
992f48a0 | 9949 | abi_ulong target_set = arg1; |
66fb9763 | 9950 | target_to_host_old_sigset(&set, &target_set); |
3d3efba0 PM |
9951 | ret = do_sigprocmask(SIG_SETMASK, &set, &oset); |
9952 | if (!ret) { | |
9953 | host_to_target_old_sigset(&target_set, &oset); | |
9954 | ret = target_set; | |
9955 | } | |
66fb9763 | 9956 | } |
72eb7ea8 | 9957 | return ret; |
7a3148a9 | 9958 | #endif |
e5febef5 | 9959 | #ifdef TARGET_NR_sigprocmask |
66fb9763 FB |
9960 | case TARGET_NR_sigprocmask: |
9961 | { | |
a5b3b13b RH |
9962 | #if defined(TARGET_ALPHA) |
9963 | sigset_t set, oldset; | |
9964 | abi_ulong mask; | |
9965 | int how; | |
9966 | ||
9967 | switch (arg1) { | |
9968 | case TARGET_SIG_BLOCK: | |
9969 | how = SIG_BLOCK; | |
9970 | break; | |
9971 | case TARGET_SIG_UNBLOCK: | |
9972 | how = SIG_UNBLOCK; | |
9973 | break; | |
9974 | case TARGET_SIG_SETMASK: | |
9975 | how = SIG_SETMASK; | |
9976 | break; | |
9977 | default: | |
259841c1 | 9978 | return -TARGET_EINVAL; |
a5b3b13b RH |
9979 | } |
9980 | mask = arg2; | |
9981 | target_to_host_old_sigset(&set, &mask); | |
9982 | ||
3d3efba0 | 9983 | ret = do_sigprocmask(how, &set, &oldset); |
a5b3b13b RH |
9984 | if (!is_error(ret)) { |
9985 | host_to_target_old_sigset(&mask, &oldset); | |
9986 | ret = mask; | |
0effdc29 | 9987 | cpu_env->ir[IR_V0] = 0; /* force no error */ |
a5b3b13b RH |
9988 | } |
9989 | #else | |
66fb9763 | 9990 | sigset_t set, oldset, *set_ptr; |
a5b3b13b | 9991 | int how; |
3b46e624 | 9992 | |
53a5960a | 9993 | if (arg2) { |
ebce1719 PV |
9994 | p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1); |
9995 | if (!p) { | |
9996 | return -TARGET_EFAULT; | |
9997 | } | |
9998 | target_to_host_old_sigset(&set, p); | |
9999 | unlock_user(p, arg2, 0); | |
10000 | set_ptr = &set; | |
a5b3b13b | 10001 | switch (arg1) { |
66fb9763 FB |
10002 | case TARGET_SIG_BLOCK: |
10003 | how = SIG_BLOCK; | |
10004 | break; | |
10005 | case TARGET_SIG_UNBLOCK: | |
10006 | how = SIG_UNBLOCK; | |
10007 | break; | |
10008 | case TARGET_SIG_SETMASK: | |
10009 | how = SIG_SETMASK; | |
10010 | break; | |
10011 | default: | |
259841c1 | 10012 | return -TARGET_EINVAL; |
66fb9763 | 10013 | } |
66fb9763 FB |
10014 | } else { |
10015 | how = 0; | |
10016 | set_ptr = NULL; | |
10017 | } | |
3d3efba0 | 10018 | ret = do_sigprocmask(how, set_ptr, &oldset); |
53a5960a | 10019 | if (!is_error(ret) && arg3) { |
c227f099 | 10020 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
2852aafd | 10021 | return -TARGET_EFAULT; |
53a5960a | 10022 | host_to_target_old_sigset(p, &oldset); |
c227f099 | 10023 | unlock_user(p, arg3, sizeof(target_sigset_t)); |
66fb9763 | 10024 | } |
a5b3b13b | 10025 | #endif |
66fb9763 | 10026 | } |
72eb7ea8 | 10027 | return ret; |
e5febef5 | 10028 | #endif |
66fb9763 FB |
10029 | case TARGET_NR_rt_sigprocmask: |
10030 | { | |
10031 | int how = arg1; | |
10032 | sigset_t set, oldset, *set_ptr; | |
3b46e624 | 10033 | |
c815701e | 10034 | if (arg4 != sizeof(target_sigset_t)) { |
72eb7ea8 | 10035 | return -TARGET_EINVAL; |
c815701e PM |
10036 | } |
10037 | ||
53a5960a | 10038 | if (arg2) { |
d3ced2a5 SCW |
10039 | p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1); |
10040 | if (!p) { | |
10041 | return -TARGET_EFAULT; | |
10042 | } | |
10043 | target_to_host_sigset(&set, p); | |
10044 | unlock_user(p, arg2, 0); | |
10045 | set_ptr = &set; | |
66fb9763 FB |
10046 | switch(how) { |
10047 | case TARGET_SIG_BLOCK: | |
10048 | how = SIG_BLOCK; | |
10049 | break; | |
10050 | case TARGET_SIG_UNBLOCK: | |
10051 | how = SIG_UNBLOCK; | |
10052 | break; | |
10053 | case TARGET_SIG_SETMASK: | |
10054 | how = SIG_SETMASK; | |
10055 | break; | |
10056 | default: | |
259841c1 | 10057 | return -TARGET_EINVAL; |
66fb9763 | 10058 | } |
66fb9763 FB |
10059 | } else { |
10060 | how = 0; | |
10061 | set_ptr = NULL; | |
10062 | } | |
3d3efba0 | 10063 | ret = do_sigprocmask(how, set_ptr, &oldset); |
53a5960a | 10064 | if (!is_error(ret) && arg3) { |
c227f099 | 10065 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
2852aafd | 10066 | return -TARGET_EFAULT; |
53a5960a | 10067 | host_to_target_sigset(p, &oldset); |
c227f099 | 10068 | unlock_user(p, arg3, sizeof(target_sigset_t)); |
66fb9763 FB |
10069 | } |
10070 | } | |
72eb7ea8 | 10071 | return ret; |
e5febef5 | 10072 | #ifdef TARGET_NR_sigpending |
66fb9763 FB |
10073 | case TARGET_NR_sigpending: |
10074 | { | |
10075 | sigset_t set; | |
10076 | ret = get_errno(sigpending(&set)); | |
10077 | if (!is_error(ret)) { | |
c227f099 | 10078 | if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
2852aafd | 10079 | return -TARGET_EFAULT; |
53a5960a | 10080 | host_to_target_old_sigset(p, &set); |
c227f099 | 10081 | unlock_user(p, arg1, sizeof(target_sigset_t)); |
66fb9763 FB |
10082 | } |
10083 | } | |
72eb7ea8 | 10084 | return ret; |
e5febef5 | 10085 | #endif |
66fb9763 FB |
10086 | case TARGET_NR_rt_sigpending: |
10087 | { | |
10088 | sigset_t set; | |
c815701e PM |
10089 | |
10090 | /* Yes, this check is >, not != like most. We follow the kernel's | |
10091 | * logic and it does it like this because it implements | |
10092 | * NR_sigpending through the same code path, and in that case | |
10093 | * the old_sigset_t is smaller in size. | |
10094 | */ | |
10095 | if (arg2 > sizeof(target_sigset_t)) { | |
72eb7ea8 | 10096 | return -TARGET_EINVAL; |
c815701e PM |
10097 | } |
10098 | ||
66fb9763 FB |
10099 | ret = get_errno(sigpending(&set)); |
10100 | if (!is_error(ret)) { | |
c227f099 | 10101 | if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
2852aafd | 10102 | return -TARGET_EFAULT; |
53a5960a | 10103 | host_to_target_sigset(p, &set); |
c227f099 | 10104 | unlock_user(p, arg1, sizeof(target_sigset_t)); |
66fb9763 FB |
10105 | } |
10106 | } | |
72eb7ea8 | 10107 | return ret; |
e5febef5 | 10108 | #ifdef TARGET_NR_sigsuspend |
66fb9763 FB |
10109 | case TARGET_NR_sigsuspend: |
10110 | { | |
0a99f093 RH |
10111 | sigset_t *set; |
10112 | ||
f43ce12b | 10113 | #if defined(TARGET_ALPHA) |
e4e5cb4a | 10114 | TaskState *ts = get_task_state(cpu); |
7fb5ef35 RH |
10115 | /* target_to_host_old_sigset will bswap back */ |
10116 | abi_ulong mask = tswapal(arg1); | |
0a99f093 RH |
10117 | set = &ts->sigsuspend_mask; |
10118 | target_to_host_old_sigset(set, &mask); | |
f43ce12b | 10119 | #else |
0a99f093 RH |
10120 | ret = process_sigsuspend_mask(&set, arg1, sizeof(target_sigset_t)); |
10121 | if (ret != 0) { | |
10122 | return ret; | |
3d3efba0 | 10123 | } |
0a99f093 RH |
10124 | #endif |
10125 | ret = get_errno(safe_rt_sigsuspend(set, SIGSET_T_SIZE)); | |
10126 | finish_sigsuspend_mask(ret); | |
66fb9763 | 10127 | } |
72eb7ea8 | 10128 | return ret; |
e5febef5 | 10129 | #endif |
66fb9763 FB |
10130 | case TARGET_NR_rt_sigsuspend: |
10131 | { | |
0a99f093 | 10132 | sigset_t *set; |
c815701e | 10133 | |
0a99f093 RH |
10134 | ret = process_sigsuspend_mask(&set, arg1, arg2); |
10135 | if (ret != 0) { | |
10136 | return ret; | |
3d3efba0 | 10137 | } |
0a99f093 RH |
10138 | ret = get_errno(safe_rt_sigsuspend(set, SIGSET_T_SIZE)); |
10139 | finish_sigsuspend_mask(ret); | |
66fb9763 | 10140 | } |
72eb7ea8 | 10141 | return ret; |
859e8a89 | 10142 | #ifdef TARGET_NR_rt_sigtimedwait |
66fb9763 FB |
10143 | case TARGET_NR_rt_sigtimedwait: |
10144 | { | |
66fb9763 FB |
10145 | sigset_t set; |
10146 | struct timespec uts, *puts; | |
10147 | siginfo_t uinfo; | |
3b46e624 | 10148 | |
c815701e | 10149 | if (arg4 != sizeof(target_sigset_t)) { |
72eb7ea8 | 10150 | return -TARGET_EINVAL; |
c815701e PM |
10151 | } |
10152 | ||
c227f099 | 10153 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
2852aafd | 10154 | return -TARGET_EFAULT; |
53a5960a PB |
10155 | target_to_host_sigset(&set, p); |
10156 | unlock_user(p, arg1, 0); | |
10157 | if (arg3) { | |
66fb9763 | 10158 | puts = &uts; |
4d213001 FB |
10159 | if (target_to_host_timespec(puts, arg3)) { |
10160 | return -TARGET_EFAULT; | |
10161 | } | |
66fb9763 FB |
10162 | } else { |
10163 | puts = NULL; | |
10164 | } | |
b3f82330 PM |
10165 | ret = get_errno(safe_rt_sigtimedwait(&set, &uinfo, puts, |
10166 | SIGSET_T_SIZE)); | |
974a196d PJ |
10167 | if (!is_error(ret)) { |
10168 | if (arg2) { | |
10169 | p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), | |
10170 | 0); | |
10171 | if (!p) { | |
2852aafd | 10172 | return -TARGET_EFAULT; |
974a196d PJ |
10173 | } |
10174 | host_to_target_siginfo(p, &uinfo); | |
10175 | unlock_user(p, arg2, sizeof(target_siginfo_t)); | |
10176 | } | |
10177 | ret = host_to_target_signal(ret); | |
66fb9763 FB |
10178 | } |
10179 | } | |
72eb7ea8 | 10180 | return ret; |
ddcbde15 FB |
10181 | #endif |
10182 | #ifdef TARGET_NR_rt_sigtimedwait_time64 | |
10183 | case TARGET_NR_rt_sigtimedwait_time64: | |
10184 | { | |
10185 | sigset_t set; | |
10186 | struct timespec uts, *puts; | |
10187 | siginfo_t uinfo; | |
10188 | ||
10189 | if (arg4 != sizeof(target_sigset_t)) { | |
10190 | return -TARGET_EINVAL; | |
10191 | } | |
10192 | ||
10193 | p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1); | |
10194 | if (!p) { | |
10195 | return -TARGET_EFAULT; | |
10196 | } | |
10197 | target_to_host_sigset(&set, p); | |
10198 | unlock_user(p, arg1, 0); | |
10199 | if (arg3) { | |
10200 | puts = &uts; | |
10201 | if (target_to_host_timespec64(puts, arg3)) { | |
10202 | return -TARGET_EFAULT; | |
10203 | } | |
10204 | } else { | |
10205 | puts = NULL; | |
10206 | } | |
10207 | ret = get_errno(safe_rt_sigtimedwait(&set, &uinfo, puts, | |
10208 | SIGSET_T_SIZE)); | |
10209 | if (!is_error(ret)) { | |
10210 | if (arg2) { | |
10211 | p = lock_user(VERIFY_WRITE, arg2, | |
10212 | sizeof(target_siginfo_t), 0); | |
10213 | if (!p) { | |
10214 | return -TARGET_EFAULT; | |
10215 | } | |
10216 | host_to_target_siginfo(p, &uinfo); | |
10217 | unlock_user(p, arg2, sizeof(target_siginfo_t)); | |
10218 | } | |
10219 | ret = host_to_target_signal(ret); | |
10220 | } | |
10221 | } | |
10222 | return ret; | |
859e8a89 | 10223 | #endif |
66fb9763 FB |
10224 | case TARGET_NR_rt_sigqueueinfo: |
10225 | { | |
10226 | siginfo_t uinfo; | |
4debae6f PM |
10227 | |
10228 | p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1); | |
10229 | if (!p) { | |
2852aafd | 10230 | return -TARGET_EFAULT; |
4debae6f | 10231 | } |
53a5960a | 10232 | target_to_host_siginfo(&uinfo, p); |
d8b6d892 | 10233 | unlock_user(p, arg3, 0); |
9b9145f0 | 10234 | ret = get_errno(sys_rt_sigqueueinfo(arg1, target_to_host_signal(arg2), &uinfo)); |
66fb9763 | 10235 | } |
72eb7ea8 | 10236 | return ret; |
cf8b8bfc MS |
10237 | case TARGET_NR_rt_tgsigqueueinfo: |
10238 | { | |
10239 | siginfo_t uinfo; | |
10240 | ||
10241 | p = lock_user(VERIFY_READ, arg4, sizeof(target_siginfo_t), 1); | |
10242 | if (!p) { | |
2852aafd | 10243 | return -TARGET_EFAULT; |
cf8b8bfc MS |
10244 | } |
10245 | target_to_host_siginfo(&uinfo, p); | |
10246 | unlock_user(p, arg4, 0); | |
9b9145f0 | 10247 | ret = get_errno(sys_rt_tgsigqueueinfo(arg1, arg2, target_to_host_signal(arg3), &uinfo)); |
cf8b8bfc | 10248 | } |
72eb7ea8 | 10249 | return ret; |
e5febef5 | 10250 | #ifdef TARGET_NR_sigreturn |
66fb9763 | 10251 | case TARGET_NR_sigreturn: |
3d3efba0 | 10252 | if (block_signals()) { |
af254a27 | 10253 | return -QEMU_ERESTARTSYS; |
3d3efba0 | 10254 | } |
72eb7ea8 | 10255 | return do_sigreturn(cpu_env); |
e5febef5 | 10256 | #endif |
66fb9763 | 10257 | case TARGET_NR_rt_sigreturn: |
3d3efba0 | 10258 | if (block_signals()) { |
af254a27 | 10259 | return -QEMU_ERESTARTSYS; |
3d3efba0 | 10260 | } |
72eb7ea8 | 10261 | return do_rt_sigreturn(cpu_env); |
31e31b8a | 10262 | case TARGET_NR_sethostname: |
579a97f7 | 10263 | if (!(p = lock_user_string(arg1))) |
2852aafd | 10264 | return -TARGET_EFAULT; |
53a5960a PB |
10265 | ret = get_errno(sethostname(p, arg2)); |
10266 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 10267 | return ret; |
4f7f8924 | 10268 | #ifdef TARGET_NR_setrlimit |
31e31b8a | 10269 | case TARGET_NR_setrlimit: |
9de5e440 | 10270 | { |
e22b7015 | 10271 | int resource = target_to_host_resource(arg1); |
53a5960a | 10272 | struct target_rlimit *target_rlim; |
9de5e440 | 10273 | struct rlimit rlim; |
579a97f7 | 10274 | if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1)) |
2852aafd | 10275 | return -TARGET_EFAULT; |
81bbe906 TY |
10276 | rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur); |
10277 | rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max); | |
53a5960a | 10278 | unlock_user_struct(target_rlim, arg2, 0); |
5dfa88f7 MF |
10279 | /* |
10280 | * If we just passed through resource limit settings for memory then | |
10281 | * they would also apply to QEMU's own allocations, and QEMU will | |
10282 | * crash or hang or die if its allocations fail. Ideally we would | |
10283 | * track the guest allocations in QEMU and apply the limits ourselves. | |
10284 | * For now, just tell the guest the call succeeded but don't actually | |
10285 | * limit anything. | |
10286 | */ | |
10287 | if (resource != RLIMIT_AS && | |
10288 | resource != RLIMIT_DATA && | |
10289 | resource != RLIMIT_STACK) { | |
10290 | return get_errno(setrlimit(resource, &rlim)); | |
10291 | } else { | |
10292 | return 0; | |
10293 | } | |
9de5e440 | 10294 | } |
4f7f8924 AR |
10295 | #endif |
10296 | #ifdef TARGET_NR_getrlimit | |
31e31b8a | 10297 | case TARGET_NR_getrlimit: |
9de5e440 | 10298 | { |
e22b7015 | 10299 | int resource = target_to_host_resource(arg1); |
53a5960a | 10300 | struct target_rlimit *target_rlim; |
9de5e440 | 10301 | struct rlimit rlim; |
3b46e624 | 10302 | |
9de5e440 FB |
10303 | ret = get_errno(getrlimit(resource, &rlim)); |
10304 | if (!is_error(ret)) { | |
579a97f7 | 10305 | if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
2852aafd | 10306 | return -TARGET_EFAULT; |
81bbe906 TY |
10307 | target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); |
10308 | target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); | |
53a5960a | 10309 | unlock_user_struct(target_rlim, arg2, 1); |
9de5e440 FB |
10310 | } |
10311 | } | |
72eb7ea8 | 10312 | return ret; |
4f7f8924 | 10313 | #endif |
31e31b8a | 10314 | case TARGET_NR_getrusage: |
b409186b FB |
10315 | { |
10316 | struct rusage rusage; | |
b409186b FB |
10317 | ret = get_errno(getrusage(arg1, &rusage)); |
10318 | if (!is_error(ret)) { | |
a39fb273 | 10319 | ret = host_to_target_rusage(arg2, &rusage); |
b409186b FB |
10320 | } |
10321 | } | |
72eb7ea8 | 10322 | return ret; |
859e8a89 | 10323 | #if defined(TARGET_NR_gettimeofday) |
31e31b8a FB |
10324 | case TARGET_NR_gettimeofday: |
10325 | { | |
31e31b8a | 10326 | struct timeval tv; |
a52f5f87 RH |
10327 | struct timezone tz; |
10328 | ||
10329 | ret = get_errno(gettimeofday(&tv, &tz)); | |
31e31b8a | 10330 | if (!is_error(ret)) { |
a52f5f87 RH |
10331 | if (arg1 && copy_to_user_timeval(arg1, &tv)) { |
10332 | return -TARGET_EFAULT; | |
10333 | } | |
10334 | if (arg2 && copy_to_user_timezone(arg2, &tz)) { | |
2852aafd | 10335 | return -TARGET_EFAULT; |
a52f5f87 | 10336 | } |
31e31b8a FB |
10337 | } |
10338 | } | |
72eb7ea8 | 10339 | return ret; |
859e8a89 AF |
10340 | #endif |
10341 | #if defined(TARGET_NR_settimeofday) | |
31e31b8a FB |
10342 | case TARGET_NR_settimeofday: |
10343 | { | |
b67d8031 | 10344 | struct timeval tv, *ptv = NULL; |
ef4467e9 PB |
10345 | struct timezone tz, *ptz = NULL; |
10346 | ||
b67d8031 PB |
10347 | if (arg1) { |
10348 | if (copy_from_user_timeval(&tv, arg1)) { | |
2852aafd | 10349 | return -TARGET_EFAULT; |
b67d8031 PB |
10350 | } |
10351 | ptv = &tv; | |
10352 | } | |
ef4467e9 PB |
10353 | |
10354 | if (arg2) { | |
10355 | if (copy_from_user_timezone(&tz, arg2)) { | |
2852aafd | 10356 | return -TARGET_EFAULT; |
ef4467e9 PB |
10357 | } |
10358 | ptz = &tz; | |
10359 | } | |
10360 | ||
72eb7ea8 | 10361 | return get_errno(settimeofday(ptv, ptz)); |
31e31b8a | 10362 | } |
859e8a89 | 10363 | #endif |
9468a5d4 | 10364 | #if defined(TARGET_NR_select) |
31e31b8a | 10365 | case TARGET_NR_select: |
5457dc9e LV |
10366 | #if defined(TARGET_WANT_NI_OLD_SELECT) |
10367 | /* some architectures used to have old_select here | |
10368 | * but now ENOSYS it. | |
10369 | */ | |
10370 | ret = -TARGET_ENOSYS; | |
10371 | #elif defined(TARGET_WANT_OLD_SYS_SELECT) | |
10372 | ret = do_old_select(arg1); | |
9468a5d4 | 10373 | #else |
5457dc9e | 10374 | ret = do_select(arg1, arg2, arg3, arg4, arg5); |
9468a5d4 | 10375 | #endif |
72eb7ea8 | 10376 | return ret; |
9e42382f RV |
10377 | #endif |
10378 | #ifdef TARGET_NR_pselect6 | |
10379 | case TARGET_NR_pselect6: | |
e5ce9688 FB |
10380 | return do_pselect6(arg1, arg2, arg3, arg4, arg5, arg6, false); |
10381 | #endif | |
10382 | #ifdef TARGET_NR_pselect6_time64 | |
10383 | case TARGET_NR_pselect6_time64: | |
10384 | return do_pselect6(arg1, arg2, arg3, arg4, arg5, arg6, true); | |
048f6b4d | 10385 | #endif |
704eff6c | 10386 | #ifdef TARGET_NR_symlink |
31e31b8a | 10387 | case TARGET_NR_symlink: |
53a5960a PB |
10388 | { |
10389 | void *p2; | |
10390 | p = lock_user_string(arg1); | |
10391 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
10392 | if (!p || !p2) |
10393 | ret = -TARGET_EFAULT; | |
10394 | else | |
10395 | ret = get_errno(symlink(p, p2)); | |
53a5960a PB |
10396 | unlock_user(p2, arg2, 0); |
10397 | unlock_user(p, arg1, 0); | |
10398 | } | |
72eb7ea8 | 10399 | return ret; |
704eff6c | 10400 | #endif |
c0d472b1 | 10401 | #if defined(TARGET_NR_symlinkat) |
f0b6243d | 10402 | case TARGET_NR_symlinkat: |
f0b6243d | 10403 | { |
579a97f7 | 10404 | void *p2; |
f0b6243d TS |
10405 | p = lock_user_string(arg1); |
10406 | p2 = lock_user_string(arg3); | |
579a97f7 | 10407 | if (!p || !p2) |
0da46a6e | 10408 | ret = -TARGET_EFAULT; |
f0b6243d | 10409 | else |
c0d472b1 | 10410 | ret = get_errno(symlinkat(p, arg2, p2)); |
579a97f7 FB |
10411 | unlock_user(p2, arg3, 0); |
10412 | unlock_user(p, arg1, 0); | |
f0b6243d | 10413 | } |
72eb7ea8 | 10414 | return ret; |
f0b6243d | 10415 | #endif |
704eff6c | 10416 | #ifdef TARGET_NR_readlink |
31e31b8a | 10417 | case TARGET_NR_readlink: |
53a5960a | 10418 | { |
463d8e73 | 10419 | void *p2; |
53a5960a | 10420 | p = lock_user_string(arg1); |
579a97f7 | 10421 | p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0); |
a4dab0a0 | 10422 | ret = get_errno(do_guest_readlink(p, p2, arg3)); |
53a5960a PB |
10423 | unlock_user(p2, arg2, ret); |
10424 | unlock_user(p, arg1, 0); | |
10425 | } | |
72eb7ea8 | 10426 | return ret; |
704eff6c | 10427 | #endif |
c0d472b1 | 10428 | #if defined(TARGET_NR_readlinkat) |
5e0ccb18 | 10429 | case TARGET_NR_readlinkat: |
5e0ccb18 | 10430 | { |
579a97f7 | 10431 | void *p2; |
5e0ccb18 | 10432 | p = lock_user_string(arg2); |
579a97f7 | 10433 | p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0); |
463d8e73 AS |
10434 | if (!p || !p2) { |
10435 | ret = -TARGET_EFAULT; | |
65d4830d JN |
10436 | } else if (!arg4) { |
10437 | /* Short circuit this for the magic exe check. */ | |
10438 | ret = -TARGET_EINVAL; | |
463d8e73 | 10439 | } else if (is_proc_myself((const char *)p, "exe")) { |
258bec39 HD |
10440 | /* |
10441 | * Don't worry about sign mismatch as earlier mapping | |
10442 | * logic would have thrown a bad address error. | |
10443 | */ | |
10444 | ret = MIN(strlen(exec_path), arg4); | |
10445 | /* We cannot NUL terminate the string. */ | |
10446 | memcpy(p2, exec_path, ret); | |
463d8e73 | 10447 | } else { |
c0d472b1 | 10448 | ret = get_errno(readlinkat(arg1, path(p), p2, arg4)); |
463d8e73 | 10449 | } |
579a97f7 FB |
10450 | unlock_user(p2, arg3, ret); |
10451 | unlock_user(p, arg2, 0); | |
5e0ccb18 | 10452 | } |
72eb7ea8 | 10453 | return ret; |
5e0ccb18 | 10454 | #endif |
e5febef5 | 10455 | #ifdef TARGET_NR_swapon |
31e31b8a | 10456 | case TARGET_NR_swapon: |
579a97f7 | 10457 | if (!(p = lock_user_string(arg1))) |
2852aafd | 10458 | return -TARGET_EFAULT; |
53a5960a PB |
10459 | ret = get_errno(swapon(p, arg2)); |
10460 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 10461 | return ret; |
e5febef5 | 10462 | #endif |
31e31b8a | 10463 | case TARGET_NR_reboot: |
c07ecc68 LV |
10464 | if (arg3 == LINUX_REBOOT_CMD_RESTART2) { |
10465 | /* arg4 must be ignored in all other cases */ | |
10466 | p = lock_user_string(arg4); | |
10467 | if (!p) { | |
2852aafd | 10468 | return -TARGET_EFAULT; |
c07ecc68 LV |
10469 | } |
10470 | ret = get_errno(reboot(arg1, arg2, arg3, p)); | |
10471 | unlock_user(p, arg4, 0); | |
10472 | } else { | |
10473 | ret = get_errno(reboot(arg1, arg2, arg3, NULL)); | |
10474 | } | |
72eb7ea8 | 10475 | return ret; |
e5febef5 | 10476 | #ifdef TARGET_NR_mmap |
31e31b8a | 10477 | case TARGET_NR_mmap: |
09701199 AG |
10478 | #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || \ |
10479 | (defined(TARGET_ARM) && defined(TARGET_ABI32)) || \ | |
a4c075f1 UH |
10480 | defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \ |
10481 | || defined(TARGET_S390X) | |
31e31b8a | 10482 | { |
992f48a0 BS |
10483 | abi_ulong *v; |
10484 | abi_ulong v1, v2, v3, v4, v5, v6; | |
579a97f7 | 10485 | if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1))) |
2852aafd | 10486 | return -TARGET_EFAULT; |
cbb21eed MB |
10487 | v1 = tswapal(v[0]); |
10488 | v2 = tswapal(v[1]); | |
10489 | v3 = tswapal(v[2]); | |
10490 | v4 = tswapal(v[3]); | |
10491 | v5 = tswapal(v[4]); | |
10492 | v6 = tswapal(v[5]); | |
53a5960a | 10493 | unlock_user(v, arg1, 0); |
9ab8d071 | 10494 | return do_mmap(v1, v2, v3, v4, v5, v6); |
31e31b8a | 10495 | } |
31e31b8a | 10496 | #else |
ee1bf83d | 10497 | /* mmap pointers are always untagged */ |
9ab8d071 | 10498 | return do_mmap(arg1, arg2, arg3, arg4, arg5, arg6); |
31e31b8a | 10499 | #endif |
e5febef5 | 10500 | #endif |
a315a145 | 10501 | #ifdef TARGET_NR_mmap2 |
6fb883e8 | 10502 | case TARGET_NR_mmap2: |
bb7ec043 | 10503 | #ifndef MMAP_SHIFT |
c573ff67 | 10504 | #define MMAP_SHIFT 12 |
c573ff67 | 10505 | #endif |
9ab8d071 RH |
10506 | return do_mmap(arg1, arg2, arg3, arg4, arg5, |
10507 | (off_t)(abi_ulong)arg6 << MMAP_SHIFT); | |
a315a145 | 10508 | #endif |
31e31b8a | 10509 | case TARGET_NR_munmap: |
ee1bf83d | 10510 | arg1 = cpu_untagged_addr(cpu, arg1); |
72eb7ea8 | 10511 | return get_errno(target_munmap(arg1, arg2)); |
9de5e440 | 10512 | case TARGET_NR_mprotect: |
ee1bf83d | 10513 | arg1 = cpu_untagged_addr(cpu, arg1); |
97374d38 | 10514 | { |
e4e5cb4a | 10515 | TaskState *ts = get_task_state(cpu); |
97374d38 PB |
10516 | /* Special hack to detect libc making the stack executable. */ |
10517 | if ((arg3 & PROT_GROWSDOWN) | |
10518 | && arg1 >= ts->info->stack_limit | |
10519 | && arg1 <= ts->info->start_stack) { | |
10520 | arg3 &= ~PROT_GROWSDOWN; | |
10521 | arg2 = arg2 + arg1 - ts->info->stack_limit; | |
10522 | arg1 = ts->info->stack_limit; | |
10523 | } | |
10524 | } | |
72eb7ea8 | 10525 | return get_errno(target_mprotect(arg1, arg2, arg3)); |
e5febef5 | 10526 | #ifdef TARGET_NR_mremap |
9de5e440 | 10527 | case TARGET_NR_mremap: |
ee1bf83d RH |
10528 | arg1 = cpu_untagged_addr(cpu, arg1); |
10529 | /* mremap new_addr (arg5) is always untagged */ | |
72eb7ea8 | 10530 | return get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); |
e5febef5 | 10531 | #endif |
53a5960a | 10532 | /* ??? msync/mlock/munlock are broken for softmmu. */ |
e5febef5 | 10533 | #ifdef TARGET_NR_msync |
9de5e440 | 10534 | case TARGET_NR_msync: |
fe080593 HD |
10535 | return get_errno(msync(g2h(cpu, arg1), arg2, |
10536 | target_to_host_msync_arg(arg3))); | |
e5febef5 TS |
10537 | #endif |
10538 | #ifdef TARGET_NR_mlock | |
9de5e440 | 10539 | case TARGET_NR_mlock: |
3e8f1628 | 10540 | return get_errno(mlock(g2h(cpu, arg1), arg2)); |
e5febef5 TS |
10541 | #endif |
10542 | #ifdef TARGET_NR_munlock | |
9de5e440 | 10543 | case TARGET_NR_munlock: |
3e8f1628 | 10544 | return get_errno(munlock(g2h(cpu, arg1), arg2)); |
e5febef5 TS |
10545 | #endif |
10546 | #ifdef TARGET_NR_mlockall | |
9de5e440 | 10547 | case TARGET_NR_mlockall: |
72eb7ea8 | 10548 | return get_errno(mlockall(target_to_host_mlockall_arg(arg1))); |
e5febef5 TS |
10549 | #endif |
10550 | #ifdef TARGET_NR_munlockall | |
9de5e440 | 10551 | case TARGET_NR_munlockall: |
72eb7ea8 | 10552 | return get_errno(munlockall()); |
e5febef5 | 10553 | #endif |
4f7f8924 | 10554 | #ifdef TARGET_NR_truncate |
31e31b8a | 10555 | case TARGET_NR_truncate: |
579a97f7 | 10556 | if (!(p = lock_user_string(arg1))) |
2852aafd | 10557 | return -TARGET_EFAULT; |
53a5960a PB |
10558 | ret = get_errno(truncate(p, arg2)); |
10559 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 10560 | return ret; |
4f7f8924 AR |
10561 | #endif |
10562 | #ifdef TARGET_NR_ftruncate | |
31e31b8a | 10563 | case TARGET_NR_ftruncate: |
72eb7ea8 | 10564 | return get_errno(ftruncate(arg1, arg2)); |
4f7f8924 | 10565 | #endif |
31e31b8a | 10566 | case TARGET_NR_fchmod: |
72eb7ea8 | 10567 | return get_errno(fchmod(arg1, arg2)); |
c0d472b1 | 10568 | #if defined(TARGET_NR_fchmodat) |
814d7977 | 10569 | case TARGET_NR_fchmodat: |
579a97f7 | 10570 | if (!(p = lock_user_string(arg2))) |
2852aafd | 10571 | return -TARGET_EFAULT; |
c0d472b1 | 10572 | ret = get_errno(fchmodat(arg1, p, arg3, 0)); |
579a97f7 | 10573 | unlock_user(p, arg2, 0); |
72eb7ea8 | 10574 | return ret; |
814d7977 | 10575 | #endif |
31e31b8a | 10576 | case TARGET_NR_getpriority: |
95c09828 RH |
10577 | /* Note that negative values are valid for getpriority, so we must |
10578 | differentiate based on errno settings. */ | |
10579 | errno = 0; | |
10580 | ret = getpriority(arg1, arg2); | |
10581 | if (ret == -1 && errno != 0) { | |
72eb7ea8 | 10582 | return -host_to_target_errno(errno); |
95c09828 RH |
10583 | } |
10584 | #ifdef TARGET_ALPHA | |
10585 | /* Return value is the unbiased priority. Signal no error. */ | |
0effdc29 | 10586 | cpu_env->ir[IR_V0] = 0; |
95c09828 RH |
10587 | #else |
10588 | /* Return value is a biased priority to avoid negative numbers. */ | |
10589 | ret = 20 - ret; | |
10590 | #endif | |
72eb7ea8 | 10591 | return ret; |
31e31b8a | 10592 | case TARGET_NR_setpriority: |
72eb7ea8 | 10593 | return get_errno(setpriority(arg1, arg2, arg3)); |
4f7f8924 | 10594 | #ifdef TARGET_NR_statfs |
31e31b8a | 10595 | case TARGET_NR_statfs: |
2852aafd RH |
10596 | if (!(p = lock_user_string(arg1))) { |
10597 | return -TARGET_EFAULT; | |
10598 | } | |
53a5960a PB |
10599 | ret = get_errno(statfs(path(p), &stfs)); |
10600 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
10601 | convert_statfs: |
10602 | if (!is_error(ret)) { | |
53a5960a | 10603 | struct target_statfs *target_stfs; |
3b46e624 | 10604 | |
579a97f7 | 10605 | if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0)) |
2852aafd | 10606 | return -TARGET_EFAULT; |
579a97f7 FB |
10607 | __put_user(stfs.f_type, &target_stfs->f_type); |
10608 | __put_user(stfs.f_bsize, &target_stfs->f_bsize); | |
10609 | __put_user(stfs.f_blocks, &target_stfs->f_blocks); | |
10610 | __put_user(stfs.f_bfree, &target_stfs->f_bfree); | |
10611 | __put_user(stfs.f_bavail, &target_stfs->f_bavail); | |
10612 | __put_user(stfs.f_files, &target_stfs->f_files); | |
10613 | __put_user(stfs.f_ffree, &target_stfs->f_ffree); | |
10614 | __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); | |
10615 | __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); | |
10616 | __put_user(stfs.f_namelen, &target_stfs->f_namelen); | |
229d3376 | 10617 | __put_user(stfs.f_frsize, &target_stfs->f_frsize); |
d4247ec2 SL |
10618 | #ifdef _STATFS_F_FLAGS |
10619 | __put_user(stfs.f_flags, &target_stfs->f_flags); | |
10620 | #else | |
10621 | __put_user(0, &target_stfs->f_flags); | |
10622 | #endif | |
229d3376 | 10623 | memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); |
53a5960a | 10624 | unlock_user_struct(target_stfs, arg2, 1); |
31e31b8a | 10625 | } |
72eb7ea8 | 10626 | return ret; |
4f7f8924 AR |
10627 | #endif |
10628 | #ifdef TARGET_NR_fstatfs | |
31e31b8a | 10629 | case TARGET_NR_fstatfs: |
56c8f68f | 10630 | ret = get_errno(fstatfs(arg1, &stfs)); |
31e31b8a | 10631 | goto convert_statfs; |
4f7f8924 | 10632 | #endif |
56c8f68f FB |
10633 | #ifdef TARGET_NR_statfs64 |
10634 | case TARGET_NR_statfs64: | |
2852aafd RH |
10635 | if (!(p = lock_user_string(arg1))) { |
10636 | return -TARGET_EFAULT; | |
10637 | } | |
53a5960a PB |
10638 | ret = get_errno(statfs(path(p), &stfs)); |
10639 | unlock_user(p, arg1, 0); | |
56c8f68f FB |
10640 | convert_statfs64: |
10641 | if (!is_error(ret)) { | |
53a5960a | 10642 | struct target_statfs64 *target_stfs; |
3b46e624 | 10643 | |
579a97f7 | 10644 | if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0)) |
2852aafd | 10645 | return -TARGET_EFAULT; |
579a97f7 FB |
10646 | __put_user(stfs.f_type, &target_stfs->f_type); |
10647 | __put_user(stfs.f_bsize, &target_stfs->f_bsize); | |
10648 | __put_user(stfs.f_blocks, &target_stfs->f_blocks); | |
10649 | __put_user(stfs.f_bfree, &target_stfs->f_bfree); | |
10650 | __put_user(stfs.f_bavail, &target_stfs->f_bavail); | |
10651 | __put_user(stfs.f_files, &target_stfs->f_files); | |
10652 | __put_user(stfs.f_ffree, &target_stfs->f_ffree); | |
10653 | __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); | |
10654 | __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); | |
10655 | __put_user(stfs.f_namelen, &target_stfs->f_namelen); | |
229d3376 | 10656 | __put_user(stfs.f_frsize, &target_stfs->f_frsize); |
b94e2b4e F |
10657 | #ifdef _STATFS_F_FLAGS |
10658 | __put_user(stfs.f_flags, &target_stfs->f_flags); | |
10659 | #else | |
10660 | __put_user(0, &target_stfs->f_flags); | |
10661 | #endif | |
229d3376 | 10662 | memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); |
579a97f7 | 10663 | unlock_user_struct(target_stfs, arg3, 1); |
56c8f68f | 10664 | } |
72eb7ea8 | 10665 | return ret; |
56c8f68f FB |
10666 | case TARGET_NR_fstatfs64: |
10667 | ret = get_errno(fstatfs(arg1, &stfs)); | |
10668 | goto convert_statfs64; | |
10669 | #endif | |
e5febef5 | 10670 | #ifdef TARGET_NR_socketcall |
31e31b8a | 10671 | case TARGET_NR_socketcall: |
72eb7ea8 | 10672 | return do_socketcall(arg1, arg2); |
e5febef5 | 10673 | #endif |
3532fa74 FB |
10674 | #ifdef TARGET_NR_accept |
10675 | case TARGET_NR_accept: | |
72eb7ea8 | 10676 | return do_accept4(arg1, arg2, arg3, 0); |
a94b4987 PM |
10677 | #endif |
10678 | #ifdef TARGET_NR_accept4 | |
10679 | case TARGET_NR_accept4: | |
72eb7ea8 | 10680 | return do_accept4(arg1, arg2, arg3, arg4); |
3532fa74 FB |
10681 | #endif |
10682 | #ifdef TARGET_NR_bind | |
10683 | case TARGET_NR_bind: | |
72eb7ea8 | 10684 | return do_bind(arg1, arg2, arg3); |
3532fa74 FB |
10685 | #endif |
10686 | #ifdef TARGET_NR_connect | |
10687 | case TARGET_NR_connect: | |
72eb7ea8 | 10688 | return do_connect(arg1, arg2, arg3); |
3532fa74 FB |
10689 | #endif |
10690 | #ifdef TARGET_NR_getpeername | |
10691 | case TARGET_NR_getpeername: | |
72eb7ea8 | 10692 | return do_getpeername(arg1, arg2, arg3); |
3532fa74 FB |
10693 | #endif |
10694 | #ifdef TARGET_NR_getsockname | |
10695 | case TARGET_NR_getsockname: | |
72eb7ea8 | 10696 | return do_getsockname(arg1, arg2, arg3); |
3532fa74 FB |
10697 | #endif |
10698 | #ifdef TARGET_NR_getsockopt | |
10699 | case TARGET_NR_getsockopt: | |
72eb7ea8 | 10700 | return do_getsockopt(arg1, arg2, arg3, arg4, arg5); |
3532fa74 FB |
10701 | #endif |
10702 | #ifdef TARGET_NR_listen | |
10703 | case TARGET_NR_listen: | |
72eb7ea8 | 10704 | return get_errno(listen(arg1, arg2)); |
3532fa74 FB |
10705 | #endif |
10706 | #ifdef TARGET_NR_recv | |
10707 | case TARGET_NR_recv: | |
72eb7ea8 | 10708 | return do_recvfrom(arg1, arg2, arg3, arg4, 0, 0); |
3532fa74 FB |
10709 | #endif |
10710 | #ifdef TARGET_NR_recvfrom | |
10711 | case TARGET_NR_recvfrom: | |
72eb7ea8 | 10712 | return do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6); |
3532fa74 FB |
10713 | #endif |
10714 | #ifdef TARGET_NR_recvmsg | |
10715 | case TARGET_NR_recvmsg: | |
72eb7ea8 | 10716 | return do_sendrecvmsg(arg1, arg2, arg3, 0); |
3532fa74 FB |
10717 | #endif |
10718 | #ifdef TARGET_NR_send | |
10719 | case TARGET_NR_send: | |
72eb7ea8 | 10720 | return do_sendto(arg1, arg2, arg3, arg4, 0, 0); |
3532fa74 FB |
10721 | #endif |
10722 | #ifdef TARGET_NR_sendmsg | |
10723 | case TARGET_NR_sendmsg: | |
72eb7ea8 | 10724 | return do_sendrecvmsg(arg1, arg2, arg3, 1); |
3532fa74 | 10725 | #endif |
f19e00d7 AG |
10726 | #ifdef TARGET_NR_sendmmsg |
10727 | case TARGET_NR_sendmmsg: | |
72eb7ea8 | 10728 | return do_sendrecvmmsg(arg1, arg2, arg3, arg4, 1); |
859e8a89 AF |
10729 | #endif |
10730 | #ifdef TARGET_NR_recvmmsg | |
f19e00d7 | 10731 | case TARGET_NR_recvmmsg: |
72eb7ea8 | 10732 | return do_sendrecvmmsg(arg1, arg2, arg3, arg4, 0); |
f19e00d7 | 10733 | #endif |
3532fa74 FB |
10734 | #ifdef TARGET_NR_sendto |
10735 | case TARGET_NR_sendto: | |
72eb7ea8 | 10736 | return do_sendto(arg1, arg2, arg3, arg4, arg5, arg6); |
3532fa74 FB |
10737 | #endif |
10738 | #ifdef TARGET_NR_shutdown | |
10739 | case TARGET_NR_shutdown: | |
72eb7ea8 | 10740 | return get_errno(shutdown(arg1, arg2)); |
3532fa74 | 10741 | #endif |
f894efd1 LV |
10742 | #if defined(TARGET_NR_getrandom) && defined(__NR_getrandom) |
10743 | case TARGET_NR_getrandom: | |
10744 | p = lock_user(VERIFY_WRITE, arg1, arg2, 0); | |
10745 | if (!p) { | |
2852aafd | 10746 | return -TARGET_EFAULT; |
f894efd1 LV |
10747 | } |
10748 | ret = get_errno(getrandom(p, arg2, arg3)); | |
10749 | unlock_user(p, arg1, ret); | |
72eb7ea8 | 10750 | return ret; |
f894efd1 | 10751 | #endif |
3532fa74 FB |
10752 | #ifdef TARGET_NR_socket |
10753 | case TARGET_NR_socket: | |
72eb7ea8 | 10754 | return do_socket(arg1, arg2, arg3); |
3532fa74 FB |
10755 | #endif |
10756 | #ifdef TARGET_NR_socketpair | |
10757 | case TARGET_NR_socketpair: | |
72eb7ea8 | 10758 | return do_socketpair(arg1, arg2, arg3, arg4); |
3532fa74 FB |
10759 | #endif |
10760 | #ifdef TARGET_NR_setsockopt | |
10761 | case TARGET_NR_setsockopt: | |
72eb7ea8 | 10762 | return do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5); |
3532fa74 | 10763 | #endif |
da2c8ad7 | 10764 | #if defined(TARGET_NR_syslog) |
31e31b8a | 10765 | case TARGET_NR_syslog: |
da2c8ad7 AM |
10766 | { |
10767 | int len = arg2; | |
7494b0f9 | 10768 | |
da2c8ad7 AM |
10769 | switch (arg1) { |
10770 | case TARGET_SYSLOG_ACTION_CLOSE: /* Close log */ | |
10771 | case TARGET_SYSLOG_ACTION_OPEN: /* Open log */ | |
10772 | case TARGET_SYSLOG_ACTION_CLEAR: /* Clear ring buffer */ | |
10773 | case TARGET_SYSLOG_ACTION_CONSOLE_OFF: /* Disable logging */ | |
10774 | case TARGET_SYSLOG_ACTION_CONSOLE_ON: /* Enable logging */ | |
10775 | case TARGET_SYSLOG_ACTION_CONSOLE_LEVEL: /* Set messages level */ | |
10776 | case TARGET_SYSLOG_ACTION_SIZE_UNREAD: /* Number of chars */ | |
10777 | case TARGET_SYSLOG_ACTION_SIZE_BUFFER: /* Size of the buffer */ | |
72eb7ea8 | 10778 | return get_errno(sys_syslog((int)arg1, NULL, (int)arg3)); |
da2c8ad7 AM |
10779 | case TARGET_SYSLOG_ACTION_READ: /* Read from log */ |
10780 | case TARGET_SYSLOG_ACTION_READ_CLEAR: /* Read/clear msgs */ | |
10781 | case TARGET_SYSLOG_ACTION_READ_ALL: /* Read last messages */ | |
10782 | { | |
da2c8ad7 | 10783 | if (len < 0) { |
259841c1 | 10784 | return -TARGET_EINVAL; |
da2c8ad7 | 10785 | } |
da2c8ad7 | 10786 | if (len == 0) { |
72eb7ea8 | 10787 | return 0; |
da2c8ad7 AM |
10788 | } |
10789 | p = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
10790 | if (!p) { | |
259841c1 | 10791 | return -TARGET_EFAULT; |
da2c8ad7 AM |
10792 | } |
10793 | ret = get_errno(sys_syslog((int)arg1, p, (int)arg3)); | |
10794 | unlock_user(p, arg2, arg3); | |
10795 | } | |
72eb7ea8 | 10796 | return ret; |
da2c8ad7 | 10797 | default: |
72eb7ea8 | 10798 | return -TARGET_EINVAL; |
da2c8ad7 AM |
10799 | } |
10800 | } | |
10801 | break; | |
10802 | #endif | |
31e31b8a | 10803 | case TARGET_NR_setitimer: |
66fb9763 | 10804 | { |
66fb9763 FB |
10805 | struct itimerval value, ovalue, *pvalue; |
10806 | ||
53a5960a | 10807 | if (arg2) { |
66fb9763 | 10808 | pvalue = &value; |
788f5ec4 TS |
10809 | if (copy_from_user_timeval(&pvalue->it_interval, arg2) |
10810 | || copy_from_user_timeval(&pvalue->it_value, | |
10811 | arg2 + sizeof(struct target_timeval))) | |
2852aafd | 10812 | return -TARGET_EFAULT; |
66fb9763 FB |
10813 | } else { |
10814 | pvalue = NULL; | |
10815 | } | |
10816 | ret = get_errno(setitimer(arg1, pvalue, &ovalue)); | |
53a5960a | 10817 | if (!is_error(ret) && arg3) { |
788f5ec4 TS |
10818 | if (copy_to_user_timeval(arg3, |
10819 | &ovalue.it_interval) | |
10820 | || copy_to_user_timeval(arg3 + sizeof(struct target_timeval), | |
10821 | &ovalue.it_value)) | |
2852aafd | 10822 | return -TARGET_EFAULT; |
66fb9763 FB |
10823 | } |
10824 | } | |
72eb7ea8 | 10825 | return ret; |
31e31b8a | 10826 | case TARGET_NR_getitimer: |
66fb9763 | 10827 | { |
66fb9763 | 10828 | struct itimerval value; |
3b46e624 | 10829 | |
66fb9763 | 10830 | ret = get_errno(getitimer(arg1, &value)); |
53a5960a | 10831 | if (!is_error(ret) && arg2) { |
788f5ec4 TS |
10832 | if (copy_to_user_timeval(arg2, |
10833 | &value.it_interval) | |
10834 | || copy_to_user_timeval(arg2 + sizeof(struct target_timeval), | |
10835 | &value.it_value)) | |
2852aafd | 10836 | return -TARGET_EFAULT; |
66fb9763 FB |
10837 | } |
10838 | } | |
72eb7ea8 | 10839 | return ret; |
704eff6c | 10840 | #ifdef TARGET_NR_stat |
31e31b8a | 10841 | case TARGET_NR_stat: |
2852aafd RH |
10842 | if (!(p = lock_user_string(arg1))) { |
10843 | return -TARGET_EFAULT; | |
10844 | } | |
53a5960a PB |
10845 | ret = get_errno(stat(path(p), &st)); |
10846 | unlock_user(p, arg1, 0); | |
31e31b8a | 10847 | goto do_stat; |
704eff6c CG |
10848 | #endif |
10849 | #ifdef TARGET_NR_lstat | |
31e31b8a | 10850 | case TARGET_NR_lstat: |
2852aafd RH |
10851 | if (!(p = lock_user_string(arg1))) { |
10852 | return -TARGET_EFAULT; | |
10853 | } | |
53a5960a PB |
10854 | ret = get_errno(lstat(path(p), &st)); |
10855 | unlock_user(p, arg1, 0); | |
31e31b8a | 10856 | goto do_stat; |
704eff6c | 10857 | #endif |
4f7f8924 | 10858 | #ifdef TARGET_NR_fstat |
31e31b8a FB |
10859 | case TARGET_NR_fstat: |
10860 | { | |
10861 | ret = get_errno(fstat(arg1, &st)); | |
704eff6c | 10862 | #if defined(TARGET_NR_stat) || defined(TARGET_NR_lstat) |
31e31b8a | 10863 | do_stat: |
704eff6c | 10864 | #endif |
31e31b8a | 10865 | if (!is_error(ret)) { |
53a5960a | 10866 | struct target_stat *target_st; |
e3584658 | 10867 | |
579a97f7 | 10868 | if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0)) |
2852aafd | 10869 | return -TARGET_EFAULT; |
12727917 | 10870 | memset(target_st, 0, sizeof(*target_st)); |
d2fd1af7 FB |
10871 | __put_user(st.st_dev, &target_st->st_dev); |
10872 | __put_user(st.st_ino, &target_st->st_ino); | |
10873 | __put_user(st.st_mode, &target_st->st_mode); | |
10874 | __put_user(st.st_uid, &target_st->st_uid); | |
10875 | __put_user(st.st_gid, &target_st->st_gid); | |
10876 | __put_user(st.st_nlink, &target_st->st_nlink); | |
10877 | __put_user(st.st_rdev, &target_st->st_rdev); | |
10878 | __put_user(st.st_size, &target_st->st_size); | |
10879 | __put_user(st.st_blksize, &target_st->st_blksize); | |
10880 | __put_user(st.st_blocks, &target_st->st_blocks); | |
10881 | __put_user(st.st_atime, &target_st->target_st_atime); | |
10882 | __put_user(st.st_mtime, &target_st->target_st_mtime); | |
10883 | __put_user(st.st_ctime, &target_st->target_st_ctime); | |
febf6fad | 10884 | #if defined(HAVE_STRUCT_STAT_ST_ATIM) && defined(TARGET_STAT_HAVE_NSEC) |
5f992db6 CYT |
10885 | __put_user(st.st_atim.tv_nsec, |
10886 | &target_st->target_st_atime_nsec); | |
10887 | __put_user(st.st_mtim.tv_nsec, | |
10888 | &target_st->target_st_mtime_nsec); | |
10889 | __put_user(st.st_ctim.tv_nsec, | |
10890 | &target_st->target_st_ctime_nsec); | |
10891 | #endif | |
53a5960a | 10892 | unlock_user_struct(target_st, arg2, 1); |
31e31b8a FB |
10893 | } |
10894 | } | |
72eb7ea8 | 10895 | return ret; |
ebc05488 | 10896 | #endif |
31e31b8a | 10897 | case TARGET_NR_vhangup: |
72eb7ea8 | 10898 | return get_errno(vhangup()); |
42ad6ae9 FB |
10899 | #ifdef TARGET_NR_syscall |
10900 | case TARGET_NR_syscall: | |
72eb7ea8 RH |
10901 | return do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5, |
10902 | arg6, arg7, arg8, 0); | |
ebc05488 | 10903 | #endif |
859e8a89 | 10904 | #if defined(TARGET_NR_wait4) |
31e31b8a FB |
10905 | case TARGET_NR_wait4: |
10906 | { | |
10907 | int status; | |
992f48a0 | 10908 | abi_long status_ptr = arg2; |
31e31b8a | 10909 | struct rusage rusage, *rusage_ptr; |
992f48a0 | 10910 | abi_ulong target_rusage = arg4; |
a39fb273 | 10911 | abi_long rusage_err; |
31e31b8a FB |
10912 | if (target_rusage) |
10913 | rusage_ptr = &rusage; | |
10914 | else | |
10915 | rusage_ptr = NULL; | |
4af80a37 | 10916 | ret = get_errno(safe_wait4(arg1, &status, arg3, rusage_ptr)); |
31e31b8a | 10917 | if (!is_error(ret)) { |
5379557b | 10918 | if (status_ptr && ret) { |
1d9d8b55 | 10919 | status = host_to_target_waitstatus(status); |
2f619698 | 10920 | if (put_user_s32(status, status_ptr)) |
2852aafd | 10921 | return -TARGET_EFAULT; |
31e31b8a | 10922 | } |
a39fb273 PJ |
10923 | if (target_rusage) { |
10924 | rusage_err = host_to_target_rusage(target_rusage, &rusage); | |
10925 | if (rusage_err) { | |
10926 | ret = rusage_err; | |
10927 | } | |
10928 | } | |
31e31b8a FB |
10929 | } |
10930 | } | |
72eb7ea8 | 10931 | return ret; |
859e8a89 | 10932 | #endif |
e5febef5 | 10933 | #ifdef TARGET_NR_swapoff |
31e31b8a | 10934 | case TARGET_NR_swapoff: |
579a97f7 | 10935 | if (!(p = lock_user_string(arg1))) |
2852aafd | 10936 | return -TARGET_EFAULT; |
53a5960a PB |
10937 | ret = get_errno(swapoff(p)); |
10938 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 10939 | return ret; |
e5febef5 | 10940 | #endif |
31e31b8a | 10941 | case TARGET_NR_sysinfo: |
a5448a7d | 10942 | { |
53a5960a | 10943 | struct target_sysinfo *target_value; |
a5448a7d FB |
10944 | struct sysinfo value; |
10945 | ret = get_errno(sysinfo(&value)); | |
53a5960a | 10946 | if (!is_error(ret) && arg1) |
a5448a7d | 10947 | { |
579a97f7 | 10948 | if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0)) |
2852aafd | 10949 | return -TARGET_EFAULT; |
a5448a7d FB |
10950 | __put_user(value.uptime, &target_value->uptime); |
10951 | __put_user(value.loads[0], &target_value->loads[0]); | |
10952 | __put_user(value.loads[1], &target_value->loads[1]); | |
10953 | __put_user(value.loads[2], &target_value->loads[2]); | |
10954 | __put_user(value.totalram, &target_value->totalram); | |
10955 | __put_user(value.freeram, &target_value->freeram); | |
10956 | __put_user(value.sharedram, &target_value->sharedram); | |
10957 | __put_user(value.bufferram, &target_value->bufferram); | |
10958 | __put_user(value.totalswap, &target_value->totalswap); | |
10959 | __put_user(value.freeswap, &target_value->freeswap); | |
10960 | __put_user(value.procs, &target_value->procs); | |
10961 | __put_user(value.totalhigh, &target_value->totalhigh); | |
10962 | __put_user(value.freehigh, &target_value->freehigh); | |
10963 | __put_user(value.mem_unit, &target_value->mem_unit); | |
53a5960a | 10964 | unlock_user_struct(target_value, arg1, 1); |
a5448a7d FB |
10965 | } |
10966 | } | |
72eb7ea8 | 10967 | return ret; |
e5febef5 | 10968 | #ifdef TARGET_NR_ipc |
31e31b8a | 10969 | case TARGET_NR_ipc: |
72eb7ea8 | 10970 | return do_ipc(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); |
e5febef5 | 10971 | #endif |
e5289087 AJ |
10972 | #ifdef TARGET_NR_semget |
10973 | case TARGET_NR_semget: | |
72eb7ea8 | 10974 | return get_errno(semget(arg1, arg2, arg3)); |
e5289087 AJ |
10975 | #endif |
10976 | #ifdef TARGET_NR_semop | |
10977 | case TARGET_NR_semop: | |
cac46eb0 | 10978 | return do_semtimedop(arg1, arg2, arg3, 0, false); |
d8c08b1e MK |
10979 | #endif |
10980 | #ifdef TARGET_NR_semtimedop | |
10981 | case TARGET_NR_semtimedop: | |
cac46eb0 FB |
10982 | return do_semtimedop(arg1, arg2, arg3, arg4, false); |
10983 | #endif | |
10984 | #ifdef TARGET_NR_semtimedop_time64 | |
10985 | case TARGET_NR_semtimedop_time64: | |
10986 | return do_semtimedop(arg1, arg2, arg3, arg4, true); | |
e5289087 AJ |
10987 | #endif |
10988 | #ifdef TARGET_NR_semctl | |
10989 | case TARGET_NR_semctl: | |
72eb7ea8 | 10990 | return do_semctl(arg1, arg2, arg3, arg4); |
e5289087 | 10991 | #endif |
eeb438c1 AJ |
10992 | #ifdef TARGET_NR_msgctl |
10993 | case TARGET_NR_msgctl: | |
72eb7ea8 | 10994 | return do_msgctl(arg1, arg2, arg3); |
eeb438c1 AJ |
10995 | #endif |
10996 | #ifdef TARGET_NR_msgget | |
10997 | case TARGET_NR_msgget: | |
72eb7ea8 | 10998 | return get_errno(msgget(arg1, arg2)); |
eeb438c1 AJ |
10999 | #endif |
11000 | #ifdef TARGET_NR_msgrcv | |
11001 | case TARGET_NR_msgrcv: | |
72eb7ea8 | 11002 | return do_msgrcv(arg1, arg2, arg3, arg4, arg5); |
eeb438c1 AJ |
11003 | #endif |
11004 | #ifdef TARGET_NR_msgsnd | |
11005 | case TARGET_NR_msgsnd: | |
72eb7ea8 | 11006 | return do_msgsnd(arg1, arg2, arg3, arg4); |
88a8c984 RV |
11007 | #endif |
11008 | #ifdef TARGET_NR_shmget | |
11009 | case TARGET_NR_shmget: | |
72eb7ea8 | 11010 | return get_errno(shmget(arg1, arg2, arg3)); |
88a8c984 RV |
11011 | #endif |
11012 | #ifdef TARGET_NR_shmctl | |
11013 | case TARGET_NR_shmctl: | |
72eb7ea8 | 11014 | return do_shmctl(arg1, arg2, arg3); |
88a8c984 RV |
11015 | #endif |
11016 | #ifdef TARGET_NR_shmat | |
11017 | case TARGET_NR_shmat: | |
225a206c | 11018 | return target_shmat(cpu_env, arg1, arg2, arg3); |
88a8c984 RV |
11019 | #endif |
11020 | #ifdef TARGET_NR_shmdt | |
11021 | case TARGET_NR_shmdt: | |
225a206c | 11022 | return target_shmdt(arg1); |
eeb438c1 | 11023 | #endif |
31e31b8a | 11024 | case TARGET_NR_fsync: |
72eb7ea8 | 11025 | return get_errno(fsync(arg1)); |
31e31b8a | 11026 | case TARGET_NR_clone: |
4ce6243d PM |
11027 | /* Linux manages to have three different orderings for its |
11028 | * arguments to clone(); the BACKWARDS and BACKWARDS2 defines | |
11029 | * match the kernel's CONFIG_CLONE_* settings. | |
11030 | * Microblaze is further special in that it uses a sixth | |
11031 | * implicit argument to clone for the TLS pointer. | |
11032 | */ | |
11033 | #if defined(TARGET_MICROBLAZE) | |
a5b3bdcb | 11034 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg4, arg6, arg5)); |
4ce6243d PM |
11035 | #elif defined(TARGET_CLONE_BACKWARDS) |
11036 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5)); | |
11037 | #elif defined(TARGET_CLONE_BACKWARDS2) | |
a4c075f1 | 11038 | ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4)); |
0b6d3ae0 | 11039 | #else |
4ce6243d | 11040 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4)); |
0b6d3ae0 | 11041 | #endif |
72eb7ea8 | 11042 | return ret; |
ec86b0fb FB |
11043 | #ifdef __NR_exit_group |
11044 | /* new thread calls */ | |
11045 | case TARGET_NR_exit_group: | |
708b6a64 | 11046 | preexit_cleanup(cpu_env, arg1); |
72eb7ea8 | 11047 | return get_errno(exit_group(arg1)); |
ec86b0fb | 11048 | #endif |
31e31b8a | 11049 | case TARGET_NR_setdomainname: |
579a97f7 | 11050 | if (!(p = lock_user_string(arg1))) |
2852aafd | 11051 | return -TARGET_EFAULT; |
53a5960a PB |
11052 | ret = get_errno(setdomainname(p, arg2)); |
11053 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 11054 | return ret; |
31e31b8a FB |
11055 | case TARGET_NR_uname: |
11056 | /* no need to transcode because we use the linux syscall */ | |
29e619b1 FB |
11057 | { |
11058 | struct new_utsname * buf; | |
3b46e624 | 11059 | |
579a97f7 | 11060 | if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0)) |
2852aafd | 11061 | return -TARGET_EFAULT; |
29e619b1 FB |
11062 | ret = get_errno(sys_uname(buf)); |
11063 | if (!is_error(ret)) { | |
332c9781 | 11064 | /* Overwrite the native machine name with whatever is being |
29e619b1 | 11065 | emulated. */ |
871f95c6 PMD |
11066 | g_strlcpy(buf->machine, cpu_to_uname_machine(cpu_env), |
11067 | sizeof(buf->machine)); | |
c5937220 | 11068 | /* Allow the user to override the reported release. */ |
332c9781 PM |
11069 | if (qemu_uname_release && *qemu_uname_release) { |
11070 | g_strlcpy(buf->release, qemu_uname_release, | |
11071 | sizeof(buf->release)); | |
11072 | } | |
29e619b1 | 11073 | } |
53a5960a | 11074 | unlock_user_struct(buf, arg1, 1); |
29e619b1 | 11075 | } |
72eb7ea8 | 11076 | return ret; |
6dbad63e | 11077 | #ifdef TARGET_I386 |
31e31b8a | 11078 | case TARGET_NR_modify_ldt: |
72eb7ea8 | 11079 | return do_modify_ldt(cpu_env, arg1, arg2, arg3); |
84409ddb | 11080 | #if !defined(TARGET_X86_64) |
5cd4393b | 11081 | case TARGET_NR_vm86: |
72eb7ea8 | 11082 | return do_vm86(cpu_env, arg1, arg2); |
84409ddb | 11083 | #endif |
6dbad63e | 11084 | #endif |
859e8a89 | 11085 | #if defined(TARGET_NR_adjtimex) |
31e31b8a | 11086 | case TARGET_NR_adjtimex: |
19f59bce AM |
11087 | { |
11088 | struct timex host_buf; | |
11089 | ||
11090 | if (target_to_host_timex(&host_buf, arg1) != 0) { | |
2852aafd | 11091 | return -TARGET_EFAULT; |
19f59bce AM |
11092 | } |
11093 | ret = get_errno(adjtimex(&host_buf)); | |
11094 | if (!is_error(ret)) { | |
11095 | if (host_to_target_timex(arg1, &host_buf) != 0) { | |
2852aafd | 11096 | return -TARGET_EFAULT; |
19f59bce AM |
11097 | } |
11098 | } | |
11099 | } | |
72eb7ea8 | 11100 | return ret; |
859e8a89 | 11101 | #endif |
38860a03 AM |
11102 | #if defined(TARGET_NR_clock_adjtime) && defined(CONFIG_CLOCK_ADJTIME) |
11103 | case TARGET_NR_clock_adjtime: | |
11104 | { | |
aab74610 | 11105 | struct timex htx; |
38860a03 | 11106 | |
aab74610 | 11107 | if (target_to_host_timex(&htx, arg2) != 0) { |
2852aafd | 11108 | return -TARGET_EFAULT; |
38860a03 | 11109 | } |
aab74610 PM |
11110 | ret = get_errno(clock_adjtime(arg1, &htx)); |
11111 | if (!is_error(ret) && host_to_target_timex(arg2, &htx)) { | |
11112 | return -TARGET_EFAULT; | |
38860a03 AM |
11113 | } |
11114 | } | |
72eb7ea8 | 11115 | return ret; |
6ac03b2c FB |
11116 | #endif |
11117 | #if defined(TARGET_NR_clock_adjtime64) && defined(CONFIG_CLOCK_ADJTIME) | |
11118 | case TARGET_NR_clock_adjtime64: | |
11119 | { | |
11120 | struct timex htx; | |
11121 | ||
11122 | if (target_to_host_timex64(&htx, arg2) != 0) { | |
11123 | return -TARGET_EFAULT; | |
11124 | } | |
11125 | ret = get_errno(clock_adjtime(arg1, &htx)); | |
11126 | if (!is_error(ret) && host_to_target_timex64(arg2, &htx)) { | |
11127 | return -TARGET_EFAULT; | |
11128 | } | |
11129 | } | |
11130 | return ret; | |
38860a03 | 11131 | #endif |
31e31b8a | 11132 | case TARGET_NR_getpgid: |
72eb7ea8 | 11133 | return get_errno(getpgid(arg1)); |
31e31b8a | 11134 | case TARGET_NR_fchdir: |
72eb7ea8 | 11135 | return get_errno(fchdir(arg1)); |
31e31b8a | 11136 | case TARGET_NR_personality: |
72eb7ea8 | 11137 | return get_errno(personality(arg1)); |
7a3148a9 | 11138 | #ifdef TARGET_NR__llseek /* Not on alpha */ |
31e31b8a FB |
11139 | case TARGET_NR__llseek: |
11140 | { | |
0c1592d9 | 11141 | int64_t res; |
d35b261c | 11142 | #if !defined(__NR_llseek) |
9fea273c | 11143 | res = lseek(arg1, ((uint64_t)arg2 << 32) | (abi_ulong)arg3, arg5); |
0c1592d9 PM |
11144 | if (res == -1) { |
11145 | ret = get_errno(res); | |
11146 | } else { | |
11147 | ret = 0; | |
11148 | } | |
4f2ac237 | 11149 | #else |
31e31b8a | 11150 | ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); |
4f2ac237 | 11151 | #endif |
0c1592d9 | 11152 | if ((ret == 0) && put_user_s64(res, arg4)) { |
2852aafd | 11153 | return -TARGET_EFAULT; |
0c1592d9 | 11154 | } |
31e31b8a | 11155 | } |
72eb7ea8 | 11156 | return ret; |
7a3148a9 | 11157 | #endif |
704eff6c | 11158 | #ifdef TARGET_NR_getdents |
31e31b8a | 11159 | case TARGET_NR_getdents: |
fd08ddb9 | 11160 | return do_getdents(arg1, arg2, arg3); |
704eff6c | 11161 | #endif /* TARGET_NR_getdents */ |
3ae43202 | 11162 | #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64) |
dab2ed99 | 11163 | case TARGET_NR_getdents64: |
fd08ddb9 | 11164 | return do_getdents64(arg1, arg2, arg3); |
a541f297 | 11165 | #endif /* TARGET_NR_getdents64 */ |
9468a5d4 | 11166 | #if defined(TARGET_NR__newselect) |
31e31b8a | 11167 | case TARGET_NR__newselect: |
72eb7ea8 | 11168 | return do_select(arg1, arg2, arg3, arg4, arg5); |
e5febef5 | 11169 | #endif |
e5ce9688 | 11170 | #ifdef TARGET_NR_poll |
9de5e440 | 11171 | case TARGET_NR_poll: |
e5ce9688 FB |
11172 | return do_ppoll(arg1, arg2, arg3, arg4, arg5, false, false); |
11173 | #endif | |
11174 | #ifdef TARGET_NR_ppoll | |
d8035d4c | 11175 | case TARGET_NR_ppoll: |
e5ce9688 FB |
11176 | return do_ppoll(arg1, arg2, arg3, arg4, arg5, true, false); |
11177 | #endif | |
11178 | #ifdef TARGET_NR_ppoll_time64 | |
11179 | case TARGET_NR_ppoll_time64: | |
11180 | return do_ppoll(arg1, arg2, arg3, arg4, arg5, true, true); | |
e5febef5 | 11181 | #endif |
31e31b8a | 11182 | case TARGET_NR_flock: |
9de5e440 FB |
11183 | /* NOTE: the flock constant seems to be the same for every |
11184 | Linux platform */ | |
72eb7ea8 | 11185 | return get_errno(safe_flock(arg1, arg2)); |
31e31b8a FB |
11186 | case TARGET_NR_readv: |
11187 | { | |
f287b2c2 RH |
11188 | struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0); |
11189 | if (vec != NULL) { | |
918c03ed | 11190 | ret = get_errno(safe_readv(arg1, vec, arg3)); |
f287b2c2 RH |
11191 | unlock_iovec(vec, arg2, arg3, 1); |
11192 | } else { | |
11193 | ret = -host_to_target_errno(errno); | |
11194 | } | |
31e31b8a | 11195 | } |
72eb7ea8 | 11196 | return ret; |
31e31b8a FB |
11197 | case TARGET_NR_writev: |
11198 | { | |
f287b2c2 RH |
11199 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); |
11200 | if (vec != NULL) { | |
918c03ed | 11201 | ret = get_errno(safe_writev(arg1, vec, arg3)); |
f287b2c2 RH |
11202 | unlock_iovec(vec, arg2, arg3, 0); |
11203 | } else { | |
11204 | ret = -host_to_target_errno(errno); | |
11205 | } | |
31e31b8a | 11206 | } |
72eb7ea8 | 11207 | return ret; |
0f26386c DJ |
11208 | #if defined(TARGET_NR_preadv) |
11209 | case TARGET_NR_preadv: | |
11210 | { | |
11211 | struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0); | |
11212 | if (vec != NULL) { | |
9ac22517 MF |
11213 | unsigned long low, high; |
11214 | ||
11215 | target_to_host_low_high(arg4, arg5, &low, &high); | |
11216 | ret = get_errno(safe_preadv(arg1, vec, arg3, low, high)); | |
0f26386c DJ |
11217 | unlock_iovec(vec, arg2, arg3, 1); |
11218 | } else { | |
11219 | ret = -host_to_target_errno(errno); | |
f8d00fba DJ |
11220 | } |
11221 | } | |
72eb7ea8 | 11222 | return ret; |
f8d00fba DJ |
11223 | #endif |
11224 | #if defined(TARGET_NR_pwritev) | |
11225 | case TARGET_NR_pwritev: | |
11226 | { | |
11227 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); | |
11228 | if (vec != NULL) { | |
9ac22517 MF |
11229 | unsigned long low, high; |
11230 | ||
11231 | target_to_host_low_high(arg4, arg5, &low, &high); | |
11232 | ret = get_errno(safe_pwritev(arg1, vec, arg3, low, high)); | |
f8d00fba DJ |
11233 | unlock_iovec(vec, arg2, arg3, 0); |
11234 | } else { | |
11235 | ret = -host_to_target_errno(errno); | |
0f26386c DJ |
11236 | } |
11237 | } | |
72eb7ea8 | 11238 | return ret; |
0f26386c | 11239 | #endif |
31e31b8a | 11240 | case TARGET_NR_getsid: |
72eb7ea8 | 11241 | return get_errno(getsid(arg1)); |
7a3148a9 | 11242 | #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */ |
31e31b8a | 11243 | case TARGET_NR_fdatasync: |
72eb7ea8 | 11244 | return get_errno(fdatasync(arg1)); |
704eff6c | 11245 | #endif |
737de1d1 MF |
11246 | case TARGET_NR_sched_getaffinity: |
11247 | { | |
11248 | unsigned int mask_size; | |
11249 | unsigned long *mask; | |
11250 | ||
11251 | /* | |
11252 | * sched_getaffinity needs multiples of ulong, so need to take | |
11253 | * care of mismatches between target ulong and host ulong sizes. | |
11254 | */ | |
11255 | if (arg2 & (sizeof(abi_ulong) - 1)) { | |
72eb7ea8 | 11256 | return -TARGET_EINVAL; |
737de1d1 MF |
11257 | } |
11258 | mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); | |
11259 | ||
11260 | mask = alloca(mask_size); | |
2e0a8713 | 11261 | memset(mask, 0, mask_size); |
737de1d1 MF |
11262 | ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask)); |
11263 | ||
11264 | if (!is_error(ret)) { | |
be3bd286 PM |
11265 | if (ret > arg2) { |
11266 | /* More data returned than the caller's buffer will fit. | |
11267 | * This only happens if sizeof(abi_long) < sizeof(long) | |
11268 | * and the caller passed us a buffer holding an odd number | |
11269 | * of abi_longs. If the host kernel is actually using the | |
11270 | * extra 4 bytes then fail EINVAL; otherwise we can just | |
11271 | * ignore them and only copy the interesting part. | |
11272 | */ | |
11273 | int numcpus = sysconf(_SC_NPROCESSORS_CONF); | |
11274 | if (numcpus > arg2 * 8) { | |
72eb7ea8 | 11275 | return -TARGET_EINVAL; |
be3bd286 PM |
11276 | } |
11277 | ret = arg2; | |
11278 | } | |
11279 | ||
5fdefcf8 | 11280 | if (host_to_target_cpu_mask(mask, mask_size, arg3, ret)) { |
2852aafd | 11281 | return -TARGET_EFAULT; |
5fdefcf8 | 11282 | } |
737de1d1 MF |
11283 | } |
11284 | } | |
72eb7ea8 | 11285 | return ret; |
737de1d1 MF |
11286 | case TARGET_NR_sched_setaffinity: |
11287 | { | |
11288 | unsigned int mask_size; | |
11289 | unsigned long *mask; | |
11290 | ||
11291 | /* | |
11292 | * sched_setaffinity needs multiples of ulong, so need to take | |
11293 | * care of mismatches between target ulong and host ulong sizes. | |
11294 | */ | |
11295 | if (arg2 & (sizeof(abi_ulong) - 1)) { | |
72eb7ea8 | 11296 | return -TARGET_EINVAL; |
737de1d1 MF |
11297 | } |
11298 | mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); | |
737de1d1 | 11299 | mask = alloca(mask_size); |
2e0a8713 ST |
11300 | |
11301 | ret = target_to_host_cpu_mask(mask, mask_size, arg3, arg2); | |
11302 | if (ret) { | |
72eb7ea8 | 11303 | return ret; |
737de1d1 | 11304 | } |
737de1d1 | 11305 | |
72eb7ea8 | 11306 | return get_errno(sys_sched_setaffinity(arg1, mask_size, mask)); |
737de1d1 | 11307 | } |
b827c3ed ST |
11308 | case TARGET_NR_getcpu: |
11309 | { | |
9962b7c2 LV |
11310 | unsigned cpuid, node; |
11311 | ret = get_errno(sys_getcpu(arg1 ? &cpuid : NULL, | |
b827c3ed ST |
11312 | arg2 ? &node : NULL, |
11313 | NULL)); | |
11314 | if (is_error(ret)) { | |
259841c1 | 11315 | return ret; |
b827c3ed | 11316 | } |
9962b7c2 | 11317 | if (arg1 && put_user_u32(cpuid, arg1)) { |
2852aafd | 11318 | return -TARGET_EFAULT; |
b827c3ed ST |
11319 | } |
11320 | if (arg2 && put_user_u32(node, arg2)) { | |
2852aafd | 11321 | return -TARGET_EFAULT; |
b827c3ed ST |
11322 | } |
11323 | } | |
72eb7ea8 | 11324 | return ret; |
31e31b8a | 11325 | case TARGET_NR_sched_setparam: |
5cd4393b | 11326 | { |
407a119b | 11327 | struct target_sched_param *target_schp; |
5cd4393b | 11328 | struct sched_param schp; |
53a5960a | 11329 | |
a1d5c5b2 TM |
11330 | if (arg2 == 0) { |
11331 | return -TARGET_EINVAL; | |
11332 | } | |
407a119b | 11333 | if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1)) { |
2852aafd | 11334 | return -TARGET_EFAULT; |
407a119b | 11335 | } |
5cd4393b | 11336 | schp.sched_priority = tswap32(target_schp->sched_priority); |
53a5960a | 11337 | unlock_user_struct(target_schp, arg2, 0); |
407a119b | 11338 | return get_errno(sys_sched_setparam(arg1, &schp)); |
5cd4393b | 11339 | } |
31e31b8a | 11340 | case TARGET_NR_sched_getparam: |
5cd4393b | 11341 | { |
407a119b | 11342 | struct target_sched_param *target_schp; |
5cd4393b | 11343 | struct sched_param schp; |
a1d5c5b2 TM |
11344 | |
11345 | if (arg2 == 0) { | |
11346 | return -TARGET_EINVAL; | |
11347 | } | |
407a119b | 11348 | ret = get_errno(sys_sched_getparam(arg1, &schp)); |
5cd4393b | 11349 | if (!is_error(ret)) { |
407a119b | 11350 | if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0)) { |
2852aafd | 11351 | return -TARGET_EFAULT; |
407a119b | 11352 | } |
5cd4393b | 11353 | target_schp->sched_priority = tswap32(schp.sched_priority); |
53a5960a | 11354 | unlock_user_struct(target_schp, arg2, 1); |
5cd4393b FB |
11355 | } |
11356 | } | |
72eb7ea8 | 11357 | return ret; |
31e31b8a | 11358 | case TARGET_NR_sched_setscheduler: |
5cd4393b | 11359 | { |
407a119b | 11360 | struct target_sched_param *target_schp; |
5cd4393b | 11361 | struct sched_param schp; |
a1d5c5b2 TM |
11362 | if (arg3 == 0) { |
11363 | return -TARGET_EINVAL; | |
11364 | } | |
407a119b | 11365 | if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1)) { |
2852aafd | 11366 | return -TARGET_EFAULT; |
407a119b | 11367 | } |
5cd4393b | 11368 | schp.sched_priority = tswap32(target_schp->sched_priority); |
53a5960a | 11369 | unlock_user_struct(target_schp, arg3, 0); |
407a119b | 11370 | return get_errno(sys_sched_setscheduler(arg1, arg2, &schp)); |
5cd4393b | 11371 | } |
31e31b8a | 11372 | case TARGET_NR_sched_getscheduler: |
407a119b | 11373 | return get_errno(sys_sched_getscheduler(arg1)); |
45ad761c TT |
11374 | case TARGET_NR_sched_getattr: |
11375 | { | |
11376 | struct target_sched_attr *target_scha; | |
11377 | struct sched_attr scha; | |
11378 | if (arg2 == 0) { | |
11379 | return -TARGET_EINVAL; | |
11380 | } | |
11381 | if (arg3 > sizeof(scha)) { | |
11382 | arg3 = sizeof(scha); | |
11383 | } | |
11384 | ret = get_errno(sys_sched_getattr(arg1, &scha, arg3, arg4)); | |
11385 | if (!is_error(ret)) { | |
11386 | target_scha = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
11387 | if (!target_scha) { | |
11388 | return -TARGET_EFAULT; | |
11389 | } | |
11390 | target_scha->size = tswap32(scha.size); | |
11391 | target_scha->sched_policy = tswap32(scha.sched_policy); | |
11392 | target_scha->sched_flags = tswap64(scha.sched_flags); | |
11393 | target_scha->sched_nice = tswap32(scha.sched_nice); | |
11394 | target_scha->sched_priority = tswap32(scha.sched_priority); | |
11395 | target_scha->sched_runtime = tswap64(scha.sched_runtime); | |
11396 | target_scha->sched_deadline = tswap64(scha.sched_deadline); | |
11397 | target_scha->sched_period = tswap64(scha.sched_period); | |
11398 | if (scha.size > offsetof(struct sched_attr, sched_util_min)) { | |
11399 | target_scha->sched_util_min = tswap32(scha.sched_util_min); | |
11400 | target_scha->sched_util_max = tswap32(scha.sched_util_max); | |
11401 | } | |
11402 | unlock_user(target_scha, arg2, arg3); | |
11403 | } | |
11404 | return ret; | |
11405 | } | |
11406 | case TARGET_NR_sched_setattr: | |
11407 | { | |
11408 | struct target_sched_attr *target_scha; | |
11409 | struct sched_attr scha; | |
11410 | uint32_t size; | |
11411 | int zeroed; | |
11412 | if (arg2 == 0) { | |
11413 | return -TARGET_EINVAL; | |
11414 | } | |
11415 | if (get_user_u32(size, arg2)) { | |
11416 | return -TARGET_EFAULT; | |
11417 | } | |
11418 | if (!size) { | |
11419 | size = offsetof(struct target_sched_attr, sched_util_min); | |
11420 | } | |
11421 | if (size < offsetof(struct target_sched_attr, sched_util_min)) { | |
11422 | if (put_user_u32(sizeof(struct target_sched_attr), arg2)) { | |
11423 | return -TARGET_EFAULT; | |
11424 | } | |
11425 | return -TARGET_E2BIG; | |
11426 | } | |
11427 | ||
11428 | zeroed = check_zeroed_user(arg2, sizeof(struct target_sched_attr), size); | |
11429 | if (zeroed < 0) { | |
11430 | return zeroed; | |
11431 | } else if (zeroed == 0) { | |
11432 | if (put_user_u32(sizeof(struct target_sched_attr), arg2)) { | |
11433 | return -TARGET_EFAULT; | |
11434 | } | |
11435 | return -TARGET_E2BIG; | |
11436 | } | |
11437 | if (size > sizeof(struct target_sched_attr)) { | |
11438 | size = sizeof(struct target_sched_attr); | |
11439 | } | |
11440 | ||
11441 | target_scha = lock_user(VERIFY_READ, arg2, size, 1); | |
11442 | if (!target_scha) { | |
11443 | return -TARGET_EFAULT; | |
11444 | } | |
11445 | scha.size = size; | |
11446 | scha.sched_policy = tswap32(target_scha->sched_policy); | |
11447 | scha.sched_flags = tswap64(target_scha->sched_flags); | |
11448 | scha.sched_nice = tswap32(target_scha->sched_nice); | |
11449 | scha.sched_priority = tswap32(target_scha->sched_priority); | |
11450 | scha.sched_runtime = tswap64(target_scha->sched_runtime); | |
11451 | scha.sched_deadline = tswap64(target_scha->sched_deadline); | |
11452 | scha.sched_period = tswap64(target_scha->sched_period); | |
11453 | if (size > offsetof(struct target_sched_attr, sched_util_min)) { | |
11454 | scha.sched_util_min = tswap32(target_scha->sched_util_min); | |
11455 | scha.sched_util_max = tswap32(target_scha->sched_util_max); | |
11456 | } | |
11457 | unlock_user(target_scha, arg2, 0); | |
11458 | return get_errno(sys_sched_setattr(arg1, &scha, arg3)); | |
11459 | } | |
31e31b8a | 11460 | case TARGET_NR_sched_yield: |
72eb7ea8 | 11461 | return get_errno(sched_yield()); |
31e31b8a | 11462 | case TARGET_NR_sched_get_priority_max: |
72eb7ea8 | 11463 | return get_errno(sched_get_priority_max(arg1)); |
31e31b8a | 11464 | case TARGET_NR_sched_get_priority_min: |
72eb7ea8 | 11465 | return get_errno(sched_get_priority_min(arg1)); |
859e8a89 | 11466 | #ifdef TARGET_NR_sched_rr_get_interval |
31e31b8a | 11467 | case TARGET_NR_sched_rr_get_interval: |
5cd4393b | 11468 | { |
5cd4393b FB |
11469 | struct timespec ts; |
11470 | ret = get_errno(sched_rr_get_interval(arg1, &ts)); | |
11471 | if (!is_error(ret)) { | |
d4290c40 | 11472 | ret = host_to_target_timespec(arg2, &ts); |
5cd4393b FB |
11473 | } |
11474 | } | |
72eb7ea8 | 11475 | return ret; |
859e8a89 | 11476 | #endif |
ddcbde15 FB |
11477 | #ifdef TARGET_NR_sched_rr_get_interval_time64 |
11478 | case TARGET_NR_sched_rr_get_interval_time64: | |
11479 | { | |
11480 | struct timespec ts; | |
11481 | ret = get_errno(sched_rr_get_interval(arg1, &ts)); | |
11482 | if (!is_error(ret)) { | |
11483 | ret = host_to_target_timespec64(arg2, &ts); | |
11484 | } | |
11485 | } | |
11486 | return ret; | |
11487 | #endif | |
859e8a89 | 11488 | #if defined(TARGET_NR_nanosleep) |
31e31b8a | 11489 | case TARGET_NR_nanosleep: |
1b6b029e | 11490 | { |
1b6b029e | 11491 | struct timespec req, rem; |
53a5960a | 11492 | target_to_host_timespec(&req, arg1); |
9e518226 | 11493 | ret = get_errno(safe_nanosleep(&req, &rem)); |
53a5960a PB |
11494 | if (is_error(ret) && arg2) { |
11495 | host_to_target_timespec(arg2, &rem); | |
1b6b029e FB |
11496 | } |
11497 | } | |
72eb7ea8 | 11498 | return ret; |
859e8a89 | 11499 | #endif |
31e31b8a | 11500 | case TARGET_NR_prctl: |
87e9bf23 | 11501 | return do_prctl(cpu_env, arg1, arg2, arg3, arg4, arg5); |
39b9aae1 | 11502 | break; |
d2fd1af7 FB |
11503 | #ifdef TARGET_NR_arch_prctl |
11504 | case TARGET_NR_arch_prctl: | |
72eb7ea8 | 11505 | return do_arch_prctl(cpu_env, arg1, arg2); |
d2fd1af7 | 11506 | #endif |
f2c7ba15 AJ |
11507 | #ifdef TARGET_NR_pread64 |
11508 | case TARGET_NR_pread64: | |
8bf8e9df | 11509 | if (regpairs_aligned(cpu_env, num)) { |
ae017a5b AG |
11510 | arg4 = arg5; |
11511 | arg5 = arg6; | |
11512 | } | |
2bd3f899 PM |
11513 | if (arg2 == 0 && arg3 == 0) { |
11514 | /* Special-case NULL buffer and zero length, which should succeed */ | |
11515 | p = 0; | |
11516 | } else { | |
11517 | p = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
11518 | if (!p) { | |
11519 | return -TARGET_EFAULT; | |
11520 | } | |
11521 | } | |
f2c7ba15 AJ |
11522 | ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5))); |
11523 | unlock_user(p, arg2, ret); | |
72eb7ea8 | 11524 | return ret; |
f2c7ba15 | 11525 | case TARGET_NR_pwrite64: |
8bf8e9df | 11526 | if (regpairs_aligned(cpu_env, num)) { |
ae017a5b AG |
11527 | arg4 = arg5; |
11528 | arg5 = arg6; | |
11529 | } | |
2bd3f899 PM |
11530 | if (arg2 == 0 && arg3 == 0) { |
11531 | /* Special-case NULL buffer and zero length, which should succeed */ | |
11532 | p = 0; | |
11533 | } else { | |
11534 | p = lock_user(VERIFY_READ, arg2, arg3, 1); | |
11535 | if (!p) { | |
11536 | return -TARGET_EFAULT; | |
11537 | } | |
11538 | } | |
f2c7ba15 AJ |
11539 | ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5))); |
11540 | unlock_user(p, arg2, 0); | |
72eb7ea8 | 11541 | return ret; |
67867308 | 11542 | #endif |
31e31b8a | 11543 | case TARGET_NR_getcwd: |
579a97f7 | 11544 | if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0))) |
2852aafd | 11545 | return -TARGET_EFAULT; |
53a5960a PB |
11546 | ret = get_errno(sys_getcwd1(p, arg2)); |
11547 | unlock_user(p, arg1, ret); | |
72eb7ea8 | 11548 | return ret; |
31e31b8a FB |
11549 | case TARGET_NR_capget: |
11550 | case TARGET_NR_capset: | |
e0eb210e PM |
11551 | { |
11552 | struct target_user_cap_header *target_header; | |
11553 | struct target_user_cap_data *target_data = NULL; | |
11554 | struct __user_cap_header_struct header; | |
11555 | struct __user_cap_data_struct data[2]; | |
11556 | struct __user_cap_data_struct *dataptr = NULL; | |
11557 | int i, target_datalen; | |
11558 | int data_items = 1; | |
11559 | ||
11560 | if (!lock_user_struct(VERIFY_WRITE, target_header, arg1, 1)) { | |
2852aafd | 11561 | return -TARGET_EFAULT; |
e0eb210e PM |
11562 | } |
11563 | header.version = tswap32(target_header->version); | |
11564 | header.pid = tswap32(target_header->pid); | |
11565 | ||
ec864874 | 11566 | if (header.version != _LINUX_CAPABILITY_VERSION) { |
e0eb210e PM |
11567 | /* Version 2 and up takes pointer to two user_data structs */ |
11568 | data_items = 2; | |
11569 | } | |
11570 | ||
11571 | target_datalen = sizeof(*target_data) * data_items; | |
11572 | ||
11573 | if (arg2) { | |
11574 | if (num == TARGET_NR_capget) { | |
11575 | target_data = lock_user(VERIFY_WRITE, arg2, target_datalen, 0); | |
11576 | } else { | |
11577 | target_data = lock_user(VERIFY_READ, arg2, target_datalen, 1); | |
11578 | } | |
11579 | if (!target_data) { | |
11580 | unlock_user_struct(target_header, arg1, 0); | |
2852aafd | 11581 | return -TARGET_EFAULT; |
e0eb210e PM |
11582 | } |
11583 | ||
11584 | if (num == TARGET_NR_capset) { | |
11585 | for (i = 0; i < data_items; i++) { | |
11586 | data[i].effective = tswap32(target_data[i].effective); | |
11587 | data[i].permitted = tswap32(target_data[i].permitted); | |
11588 | data[i].inheritable = tswap32(target_data[i].inheritable); | |
11589 | } | |
11590 | } | |
11591 | ||
11592 | dataptr = data; | |
11593 | } | |
11594 | ||
11595 | if (num == TARGET_NR_capget) { | |
11596 | ret = get_errno(capget(&header, dataptr)); | |
11597 | } else { | |
11598 | ret = get_errno(capset(&header, dataptr)); | |
11599 | } | |
11600 | ||
11601 | /* The kernel always updates version for both capget and capset */ | |
11602 | target_header->version = tswap32(header.version); | |
11603 | unlock_user_struct(target_header, arg1, 1); | |
11604 | ||
11605 | if (arg2) { | |
11606 | if (num == TARGET_NR_capget) { | |
11607 | for (i = 0; i < data_items; i++) { | |
11608 | target_data[i].effective = tswap32(data[i].effective); | |
11609 | target_data[i].permitted = tswap32(data[i].permitted); | |
11610 | target_data[i].inheritable = tswap32(data[i].inheritable); | |
11611 | } | |
11612 | unlock_user(target_data, arg2, target_datalen); | |
11613 | } else { | |
11614 | unlock_user(target_data, arg2, 0); | |
11615 | } | |
11616 | } | |
72eb7ea8 | 11617 | return ret; |
e0eb210e | 11618 | } |
31e31b8a | 11619 | case TARGET_NR_sigaltstack: |
6b208755 | 11620 | return do_sigaltstack(arg1, arg2, cpu_env); |
a8fd1aba PM |
11621 | |
11622 | #ifdef CONFIG_SENDFILE | |
4f7f8924 | 11623 | #ifdef TARGET_NR_sendfile |
a8fd1aba PM |
11624 | case TARGET_NR_sendfile: |
11625 | { | |
11626 | off_t *offp = NULL; | |
11627 | off_t off; | |
11628 | if (arg3) { | |
11629 | ret = get_user_sal(off, arg3); | |
11630 | if (is_error(ret)) { | |
72eb7ea8 | 11631 | return ret; |
a8fd1aba PM |
11632 | } |
11633 | offp = &off; | |
11634 | } | |
11635 | ret = get_errno(sendfile(arg1, arg2, offp, arg4)); | |
11636 | if (!is_error(ret) && arg3) { | |
11637 | abi_long ret2 = put_user_sal(off, arg3); | |
11638 | if (is_error(ret2)) { | |
11639 | ret = ret2; | |
11640 | } | |
11641 | } | |
72eb7ea8 | 11642 | return ret; |
a8fd1aba | 11643 | } |
4f7f8924 | 11644 | #endif |
a8fd1aba PM |
11645 | #ifdef TARGET_NR_sendfile64 |
11646 | case TARGET_NR_sendfile64: | |
11647 | { | |
11648 | off_t *offp = NULL; | |
11649 | off_t off; | |
11650 | if (arg3) { | |
11651 | ret = get_user_s64(off, arg3); | |
11652 | if (is_error(ret)) { | |
72eb7ea8 | 11653 | return ret; |
a8fd1aba PM |
11654 | } |
11655 | offp = &off; | |
11656 | } | |
11657 | ret = get_errno(sendfile(arg1, arg2, offp, arg4)); | |
11658 | if (!is_error(ret) && arg3) { | |
11659 | abi_long ret2 = put_user_s64(off, arg3); | |
11660 | if (is_error(ret2)) { | |
11661 | ret = ret2; | |
11662 | } | |
11663 | } | |
72eb7ea8 | 11664 | return ret; |
a8fd1aba PM |
11665 | } |
11666 | #endif | |
ebc05488 | 11667 | #endif |
048f6b4d | 11668 | #ifdef TARGET_NR_vfork |
31e31b8a | 11669 | case TARGET_NR_vfork: |
72eb7ea8 RH |
11670 | return get_errno(do_fork(cpu_env, |
11671 | CLONE_VFORK | CLONE_VM | TARGET_SIGCHLD, | |
11672 | 0, 0, 0, 0)); | |
048f6b4d | 11673 | #endif |
ebc05488 | 11674 | #ifdef TARGET_NR_ugetrlimit |
31e31b8a | 11675 | case TARGET_NR_ugetrlimit: |
728584be FB |
11676 | { |
11677 | struct rlimit rlim; | |
e22b7015 WT |
11678 | int resource = target_to_host_resource(arg1); |
11679 | ret = get_errno(getrlimit(resource, &rlim)); | |
728584be | 11680 | if (!is_error(ret)) { |
53a5960a | 11681 | struct target_rlimit *target_rlim; |
579a97f7 | 11682 | if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
2852aafd | 11683 | return -TARGET_EFAULT; |
81bbe906 TY |
11684 | target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); |
11685 | target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); | |
53a5960a | 11686 | unlock_user_struct(target_rlim, arg2, 1); |
728584be | 11687 | } |
72eb7ea8 | 11688 | return ret; |
728584be | 11689 | } |
ebc05488 | 11690 | #endif |
a315a145 | 11691 | #ifdef TARGET_NR_truncate64 |
31e31b8a | 11692 | case TARGET_NR_truncate64: |
579a97f7 | 11693 | if (!(p = lock_user_string(arg1))) |
2852aafd | 11694 | return -TARGET_EFAULT; |
53a5960a PB |
11695 | ret = target_truncate64(cpu_env, p, arg2, arg3, arg4); |
11696 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 11697 | return ret; |
a315a145 FB |
11698 | #endif |
11699 | #ifdef TARGET_NR_ftruncate64 | |
31e31b8a | 11700 | case TARGET_NR_ftruncate64: |
72eb7ea8 | 11701 | return target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); |
a315a145 FB |
11702 | #endif |
11703 | #ifdef TARGET_NR_stat64 | |
31e31b8a | 11704 | case TARGET_NR_stat64: |
2852aafd RH |
11705 | if (!(p = lock_user_string(arg1))) { |
11706 | return -TARGET_EFAULT; | |
11707 | } | |
53a5960a PB |
11708 | ret = get_errno(stat(path(p), &st)); |
11709 | unlock_user(p, arg1, 0); | |
6a24a778 AZ |
11710 | if (!is_error(ret)) |
11711 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
72eb7ea8 | 11712 | return ret; |
a315a145 FB |
11713 | #endif |
11714 | #ifdef TARGET_NR_lstat64 | |
31e31b8a | 11715 | case TARGET_NR_lstat64: |
2852aafd RH |
11716 | if (!(p = lock_user_string(arg1))) { |
11717 | return -TARGET_EFAULT; | |
11718 | } | |
53a5960a PB |
11719 | ret = get_errno(lstat(path(p), &st)); |
11720 | unlock_user(p, arg1, 0); | |
6a24a778 AZ |
11721 | if (!is_error(ret)) |
11722 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
72eb7ea8 | 11723 | return ret; |
a315a145 FB |
11724 | #endif |
11725 | #ifdef TARGET_NR_fstat64 | |
31e31b8a | 11726 | case TARGET_NR_fstat64: |
6a24a778 AZ |
11727 | ret = get_errno(fstat(arg1, &st)); |
11728 | if (!is_error(ret)) | |
11729 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
72eb7ea8 | 11730 | return ret; |
ce4defa0 | 11731 | #endif |
c0d472b1 | 11732 | #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) |
9d33b76b | 11733 | #ifdef TARGET_NR_fstatat64 |
6a24a778 | 11734 | case TARGET_NR_fstatat64: |
9d33b76b AJ |
11735 | #endif |
11736 | #ifdef TARGET_NR_newfstatat | |
11737 | case TARGET_NR_newfstatat: | |
11738 | #endif | |
2852aafd RH |
11739 | if (!(p = lock_user_string(arg2))) { |
11740 | return -TARGET_EFAULT; | |
11741 | } | |
c0d472b1 | 11742 | ret = get_errno(fstatat(arg1, path(p), &st, arg4)); |
2852aafd | 11743 | unlock_user(p, arg2, 0); |
6a24a778 AZ |
11744 | if (!is_error(ret)) |
11745 | ret = host_to_target_stat64(cpu_env, arg3, &st); | |
72eb7ea8 | 11746 | return ret; |
a315a145 | 11747 | #endif |
efa92184 AR |
11748 | #if defined(TARGET_NR_statx) |
11749 | case TARGET_NR_statx: | |
11750 | { | |
11751 | struct target_statx *target_stx; | |
11752 | int dirfd = arg1; | |
11753 | int flags = arg3; | |
11754 | ||
11755 | p = lock_user_string(arg2); | |
11756 | if (p == NULL) { | |
11757 | return -TARGET_EFAULT; | |
11758 | } | |
11759 | #if defined(__NR_statx) | |
11760 | { | |
11761 | /* | |
11762 | * It is assumed that struct statx is architecture independent. | |
11763 | */ | |
11764 | struct target_statx host_stx; | |
11765 | int mask = arg4; | |
11766 | ||
11767 | ret = get_errno(sys_statx(dirfd, p, flags, mask, &host_stx)); | |
11768 | if (!is_error(ret)) { | |
11769 | if (host_to_target_statx(&host_stx, arg5) != 0) { | |
11770 | unlock_user(p, arg2, 0); | |
11771 | return -TARGET_EFAULT; | |
11772 | } | |
11773 | } | |
11774 | ||
11775 | if (ret != -TARGET_ENOSYS) { | |
11776 | unlock_user(p, arg2, 0); | |
11777 | return ret; | |
11778 | } | |
11779 | } | |
11780 | #endif | |
11781 | ret = get_errno(fstatat(dirfd, path(p), &st, flags)); | |
11782 | unlock_user(p, arg2, 0); | |
11783 | ||
11784 | if (!is_error(ret)) { | |
11785 | if (!lock_user_struct(VERIFY_WRITE, target_stx, arg5, 0)) { | |
11786 | return -TARGET_EFAULT; | |
11787 | } | |
11788 | memset(target_stx, 0, sizeof(*target_stx)); | |
11789 | __put_user(major(st.st_dev), &target_stx->stx_dev_major); | |
11790 | __put_user(minor(st.st_dev), &target_stx->stx_dev_minor); | |
11791 | __put_user(st.st_ino, &target_stx->stx_ino); | |
11792 | __put_user(st.st_mode, &target_stx->stx_mode); | |
11793 | __put_user(st.st_uid, &target_stx->stx_uid); | |
11794 | __put_user(st.st_gid, &target_stx->stx_gid); | |
11795 | __put_user(st.st_nlink, &target_stx->stx_nlink); | |
11796 | __put_user(major(st.st_rdev), &target_stx->stx_rdev_major); | |
11797 | __put_user(minor(st.st_rdev), &target_stx->stx_rdev_minor); | |
11798 | __put_user(st.st_size, &target_stx->stx_size); | |
11799 | __put_user(st.st_blksize, &target_stx->stx_blksize); | |
11800 | __put_user(st.st_blocks, &target_stx->stx_blocks); | |
11801 | __put_user(st.st_atime, &target_stx->stx_atime.tv_sec); | |
11802 | __put_user(st.st_mtime, &target_stx->stx_mtime.tv_sec); | |
11803 | __put_user(st.st_ctime, &target_stx->stx_ctime.tv_sec); | |
11804 | unlock_user_struct(target_stx, arg5, 1); | |
11805 | } | |
11806 | } | |
11807 | return ret; | |
11808 | #endif | |
704eff6c | 11809 | #ifdef TARGET_NR_lchown |
67867308 | 11810 | case TARGET_NR_lchown: |
579a97f7 | 11811 | if (!(p = lock_user_string(arg1))) |
2852aafd | 11812 | return -TARGET_EFAULT; |
53a5960a PB |
11813 | ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); |
11814 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 11815 | return ret; |
704eff6c | 11816 | #endif |
0c866a7e | 11817 | #ifdef TARGET_NR_getuid |
67867308 | 11818 | case TARGET_NR_getuid: |
72eb7ea8 | 11819 | return get_errno(high2lowuid(getuid())); |
0c866a7e RV |
11820 | #endif |
11821 | #ifdef TARGET_NR_getgid | |
67867308 | 11822 | case TARGET_NR_getgid: |
72eb7ea8 | 11823 | return get_errno(high2lowgid(getgid())); |
0c866a7e RV |
11824 | #endif |
11825 | #ifdef TARGET_NR_geteuid | |
67867308 | 11826 | case TARGET_NR_geteuid: |
72eb7ea8 | 11827 | return get_errno(high2lowuid(geteuid())); |
0c866a7e RV |
11828 | #endif |
11829 | #ifdef TARGET_NR_getegid | |
67867308 | 11830 | case TARGET_NR_getegid: |
72eb7ea8 | 11831 | return get_errno(high2lowgid(getegid())); |
0c866a7e | 11832 | #endif |
67867308 | 11833 | case TARGET_NR_setreuid: |
72eb7ea8 | 11834 | return get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); |
67867308 | 11835 | case TARGET_NR_setregid: |
72eb7ea8 | 11836 | return get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); |
67867308 | 11837 | case TARGET_NR_getgroups: |
725160fe | 11838 | { /* the same code as for TARGET_NR_getgroups32 */ |
67867308 | 11839 | int gidsetsize = arg1; |
0c866a7e | 11840 | target_id *target_grouplist; |
1e35d327 | 11841 | g_autofree gid_t *grouplist = NULL; |
67867308 FB |
11842 | int i; |
11843 | ||
8fbf89a9 | 11844 | if (gidsetsize > NGROUPS_MAX || gidsetsize < 0) { |
1e35d327 MT |
11845 | return -TARGET_EINVAL; |
11846 | } | |
11847 | if (gidsetsize > 0) { | |
11848 | grouplist = g_try_new(gid_t, gidsetsize); | |
11849 | if (!grouplist) { | |
11850 | return -TARGET_ENOMEM; | |
11851 | } | |
11852 | } | |
67867308 | 11853 | ret = get_errno(getgroups(gidsetsize, grouplist)); |
1e35d327 MT |
11854 | if (!is_error(ret) && gidsetsize > 0) { |
11855 | target_grouplist = lock_user(VERIFY_WRITE, arg2, | |
11856 | gidsetsize * sizeof(target_id), 0); | |
11857 | if (!target_grouplist) { | |
2852aafd | 11858 | return -TARGET_EFAULT; |
1e35d327 MT |
11859 | } |
11860 | for (i = 0; i < ret; i++) { | |
0c866a7e | 11861 | target_grouplist[i] = tswapid(high2lowgid(grouplist[i])); |
1e35d327 MT |
11862 | } |
11863 | unlock_user(target_grouplist, arg2, | |
11864 | gidsetsize * sizeof(target_id)); | |
67867308 | 11865 | } |
1e35d327 | 11866 | return ret; |
67867308 | 11867 | } |
67867308 | 11868 | case TARGET_NR_setgroups: |
725160fe | 11869 | { /* the same code as for TARGET_NR_setgroups32 */ |
67867308 | 11870 | int gidsetsize = arg1; |
0c866a7e | 11871 | target_id *target_grouplist; |
1e35d327 | 11872 | g_autofree gid_t *grouplist = NULL; |
67867308 | 11873 | int i; |
1e35d327 MT |
11874 | |
11875 | if (gidsetsize > NGROUPS_MAX || gidsetsize < 0) { | |
11876 | return -TARGET_EINVAL; | |
11877 | } | |
11878 | if (gidsetsize > 0) { | |
11879 | grouplist = g_try_new(gid_t, gidsetsize); | |
11880 | if (!grouplist) { | |
11881 | return -TARGET_ENOMEM; | |
11882 | } | |
11883 | target_grouplist = lock_user(VERIFY_READ, arg2, | |
11884 | gidsetsize * sizeof(target_id), 1); | |
f2b79ce9 | 11885 | if (!target_grouplist) { |
259841c1 | 11886 | return -TARGET_EFAULT; |
f2b79ce9 DA |
11887 | } |
11888 | for (i = 0; i < gidsetsize; i++) { | |
11889 | grouplist[i] = low2highgid(tswapid(target_grouplist[i])); | |
11890 | } | |
1e35d327 MT |
11891 | unlock_user(target_grouplist, arg2, |
11892 | gidsetsize * sizeof(target_id)); | |
579a97f7 | 11893 | } |
72eb7ea8 | 11894 | return get_errno(setgroups(gidsetsize, grouplist)); |
67867308 | 11895 | } |
67867308 | 11896 | case TARGET_NR_fchown: |
72eb7ea8 | 11897 | return get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); |
c0d472b1 | 11898 | #if defined(TARGET_NR_fchownat) |
ccfa72b7 | 11899 | case TARGET_NR_fchownat: |
579a97f7 | 11900 | if (!(p = lock_user_string(arg2))) |
2852aafd | 11901 | return -TARGET_EFAULT; |
c0d472b1 PM |
11902 | ret = get_errno(fchownat(arg1, p, low2highuid(arg3), |
11903 | low2highgid(arg4), arg5)); | |
579a97f7 | 11904 | unlock_user(p, arg2, 0); |
72eb7ea8 | 11905 | return ret; |
ccfa72b7 | 11906 | #endif |
67867308 FB |
11907 | #ifdef TARGET_NR_setresuid |
11908 | case TARGET_NR_setresuid: | |
72eb7ea8 RH |
11909 | return get_errno(sys_setresuid(low2highuid(arg1), |
11910 | low2highuid(arg2), | |
11911 | low2highuid(arg3))); | |
67867308 FB |
11912 | #endif |
11913 | #ifdef TARGET_NR_getresuid | |
11914 | case TARGET_NR_getresuid: | |
11915 | { | |
53a5960a | 11916 | uid_t ruid, euid, suid; |
67867308 FB |
11917 | ret = get_errno(getresuid(&ruid, &euid, &suid)); |
11918 | if (!is_error(ret)) { | |
76ca310a PM |
11919 | if (put_user_id(high2lowuid(ruid), arg1) |
11920 | || put_user_id(high2lowuid(euid), arg2) | |
11921 | || put_user_id(high2lowuid(suid), arg3)) | |
2852aafd | 11922 | return -TARGET_EFAULT; |
67867308 FB |
11923 | } |
11924 | } | |
72eb7ea8 | 11925 | return ret; |
67867308 FB |
11926 | #endif |
11927 | #ifdef TARGET_NR_getresgid | |
11928 | case TARGET_NR_setresgid: | |
72eb7ea8 RH |
11929 | return get_errno(sys_setresgid(low2highgid(arg1), |
11930 | low2highgid(arg2), | |
11931 | low2highgid(arg3))); | |
67867308 FB |
11932 | #endif |
11933 | #ifdef TARGET_NR_getresgid | |
11934 | case TARGET_NR_getresgid: | |
11935 | { | |
53a5960a | 11936 | gid_t rgid, egid, sgid; |
67867308 FB |
11937 | ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
11938 | if (!is_error(ret)) { | |
76ca310a PM |
11939 | if (put_user_id(high2lowgid(rgid), arg1) |
11940 | || put_user_id(high2lowgid(egid), arg2) | |
11941 | || put_user_id(high2lowgid(sgid), arg3)) | |
2852aafd | 11942 | return -TARGET_EFAULT; |
67867308 FB |
11943 | } |
11944 | } | |
72eb7ea8 | 11945 | return ret; |
67867308 | 11946 | #endif |
704eff6c | 11947 | #ifdef TARGET_NR_chown |
67867308 | 11948 | case TARGET_NR_chown: |
579a97f7 | 11949 | if (!(p = lock_user_string(arg1))) |
2852aafd | 11950 | return -TARGET_EFAULT; |
53a5960a PB |
11951 | ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3))); |
11952 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 11953 | return ret; |
704eff6c | 11954 | #endif |
67867308 | 11955 | case TARGET_NR_setuid: |
72eb7ea8 | 11956 | return get_errno(sys_setuid(low2highuid(arg1))); |
67867308 | 11957 | case TARGET_NR_setgid: |
72eb7ea8 | 11958 | return get_errno(sys_setgid(low2highgid(arg1))); |
67867308 | 11959 | case TARGET_NR_setfsuid: |
72eb7ea8 | 11960 | return get_errno(setfsuid(arg1)); |
67867308 | 11961 | case TARGET_NR_setfsgid: |
72eb7ea8 | 11962 | return get_errno(setfsgid(arg1)); |
67867308 | 11963 | |
a315a145 | 11964 | #ifdef TARGET_NR_lchown32 |
31e31b8a | 11965 | case TARGET_NR_lchown32: |
579a97f7 | 11966 | if (!(p = lock_user_string(arg1))) |
2852aafd | 11967 | return -TARGET_EFAULT; |
53a5960a PB |
11968 | ret = get_errno(lchown(p, arg2, arg3)); |
11969 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 11970 | return ret; |
a315a145 FB |
11971 | #endif |
11972 | #ifdef TARGET_NR_getuid32 | |
31e31b8a | 11973 | case TARGET_NR_getuid32: |
72eb7ea8 | 11974 | return get_errno(getuid()); |
a315a145 | 11975 | #endif |
64b4d28c AJ |
11976 | |
11977 | #if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA) | |
11978 | /* Alpha specific */ | |
11979 | case TARGET_NR_getxuid: | |
ba0e276d RH |
11980 | { |
11981 | uid_t euid; | |
11982 | euid=geteuid(); | |
0effdc29 | 11983 | cpu_env->ir[IR_A4]=euid; |
ba0e276d | 11984 | } |
72eb7ea8 | 11985 | return get_errno(getuid()); |
64b4d28c AJ |
11986 | #endif |
11987 | #if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA) | |
11988 | /* Alpha specific */ | |
11989 | case TARGET_NR_getxgid: | |
ba0e276d RH |
11990 | { |
11991 | uid_t egid; | |
11992 | egid=getegid(); | |
0effdc29 | 11993 | cpu_env->ir[IR_A4]=egid; |
ba0e276d | 11994 | } |
72eb7ea8 | 11995 | return get_errno(getgid()); |
64b4d28c | 11996 | #endif |
ba0e276d RH |
11997 | #if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA) |
11998 | /* Alpha specific */ | |
11999 | case TARGET_NR_osf_getsysinfo: | |
12000 | ret = -TARGET_EOPNOTSUPP; | |
12001 | switch (arg1) { | |
12002 | case TARGET_GSI_IEEE_FP_CONTROL: | |
12003 | { | |
21ba8564 | 12004 | uint64_t fpcr = cpu_alpha_load_fpcr(cpu_env); |
0effdc29 | 12005 | uint64_t swcr = cpu_env->swcr; |
21ba8564 RH |
12006 | |
12007 | swcr &= ~SWCR_STATUS_MASK; | |
12008 | swcr |= (fpcr >> 35) & SWCR_STATUS_MASK; | |
ba0e276d RH |
12009 | |
12010 | if (put_user_u64 (swcr, arg2)) | |
2852aafd | 12011 | return -TARGET_EFAULT; |
ba0e276d RH |
12012 | ret = 0; |
12013 | } | |
12014 | break; | |
12015 | ||
12016 | /* case GSI_IEEE_STATE_AT_SIGNAL: | |
12017 | -- Not implemented in linux kernel. | |
12018 | case GSI_UACPROC: | |
12019 | -- Retrieves current unaligned access state; not much used. | |
12020 | case GSI_PROC_TYPE: | |
12021 | -- Retrieves implver information; surely not used. | |
12022 | case GSI_GET_HWRPB: | |
12023 | -- Grabs a copy of the HWRPB; surely not used. | |
12024 | */ | |
12025 | } | |
72eb7ea8 | 12026 | return ret; |
ba0e276d RH |
12027 | #endif |
12028 | #if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA) | |
12029 | /* Alpha specific */ | |
12030 | case TARGET_NR_osf_setsysinfo: | |
12031 | ret = -TARGET_EOPNOTSUPP; | |
12032 | switch (arg1) { | |
12033 | case TARGET_SSI_IEEE_FP_CONTROL: | |
ba0e276d | 12034 | { |
21ba8564 | 12035 | uint64_t swcr, fpcr; |
ba0e276d | 12036 | |
6e06d515 | 12037 | if (get_user_u64 (swcr, arg2)) { |
2852aafd | 12038 | return -TARGET_EFAULT; |
6e06d515 | 12039 | } |
ba0e276d | 12040 | |
21ba8564 RH |
12041 | /* |
12042 | * The kernel calls swcr_update_status to update the | |
12043 | * status bits from the fpcr at every point that it | |
12044 | * could be queried. Therefore, we store the status | |
12045 | * bits only in FPCR. | |
12046 | */ | |
0effdc29 | 12047 | cpu_env->swcr = swcr & (SWCR_TRAP_ENABLE_MASK | SWCR_MAP_MASK); |
21ba8564 RH |
12048 | |
12049 | fpcr = cpu_alpha_load_fpcr(cpu_env); | |
12050 | fpcr &= ((uint64_t)FPCR_DYN_MASK << 32); | |
12051 | fpcr |= alpha_ieee_swcr_to_fpcr(swcr); | |
6e06d515 | 12052 | cpu_alpha_store_fpcr(cpu_env, fpcr); |
ba0e276d | 12053 | ret = 0; |
6e06d515 RH |
12054 | } |
12055 | break; | |
12056 | ||
12057 | case TARGET_SSI_IEEE_RAISE_EXCEPTION: | |
12058 | { | |
21ba8564 | 12059 | uint64_t exc, fpcr, fex; |
6e06d515 RH |
12060 | |
12061 | if (get_user_u64(exc, arg2)) { | |
2852aafd | 12062 | return -TARGET_EFAULT; |
6e06d515 | 12063 | } |
21ba8564 RH |
12064 | exc &= SWCR_STATUS_MASK; |
12065 | fpcr = cpu_alpha_load_fpcr(cpu_env); | |
ba0e276d | 12066 | |
21ba8564 RH |
12067 | /* Old exceptions are not signaled. */ |
12068 | fex = alpha_ieee_fpcr_to_swcr(fpcr); | |
12069 | fex = exc & ~fex; | |
12070 | fex >>= SWCR_STATUS_TO_EXCSUM_SHIFT; | |
0effdc29 | 12071 | fex &= (cpu_env)->swcr; |
6e06d515 | 12072 | |
21ba8564 RH |
12073 | /* Update the hardware fpcr. */ |
12074 | fpcr |= alpha_ieee_swcr_to_fpcr(exc); | |
6e06d515 | 12075 | cpu_alpha_store_fpcr(cpu_env, fpcr); |
6e06d515 | 12076 | |
21ba8564 RH |
12077 | if (fex) { |
12078 | int si_code = TARGET_FPE_FLTUNK; | |
6e06d515 | 12079 | target_siginfo_t info; |
21ba8564 RH |
12080 | |
12081 | if (fex & SWCR_TRAP_ENABLE_DNO) { | |
12082 | si_code = TARGET_FPE_FLTUND; | |
12083 | } | |
12084 | if (fex & SWCR_TRAP_ENABLE_INE) { | |
12085 | si_code = TARGET_FPE_FLTRES; | |
12086 | } | |
12087 | if (fex & SWCR_TRAP_ENABLE_UNF) { | |
12088 | si_code = TARGET_FPE_FLTUND; | |
12089 | } | |
12090 | if (fex & SWCR_TRAP_ENABLE_OVF) { | |
12091 | si_code = TARGET_FPE_FLTOVF; | |
12092 | } | |
12093 | if (fex & SWCR_TRAP_ENABLE_DZE) { | |
12094 | si_code = TARGET_FPE_FLTDIV; | |
12095 | } | |
12096 | if (fex & SWCR_TRAP_ENABLE_INV) { | |
12097 | si_code = TARGET_FPE_FLTINV; | |
12098 | } | |
12099 | ||
6e06d515 RH |
12100 | info.si_signo = SIGFPE; |
12101 | info.si_errno = 0; | |
12102 | info.si_code = si_code; | |
0effdc29 PMD |
12103 | info._sifields._sigfault._addr = (cpu_env)->pc; |
12104 | queue_signal(cpu_env, info.si_signo, | |
9d2803f7 | 12105 | QEMU_SI_FAULT, &info); |
ba0e276d | 12106 | } |
21ba8564 | 12107 | ret = 0; |
ba0e276d RH |
12108 | } |
12109 | break; | |
12110 | ||
12111 | /* case SSI_NVPAIRS: | |
12112 | -- Used with SSIN_UACPROC to enable unaligned accesses. | |
12113 | case SSI_IEEE_STATE_AT_SIGNAL: | |
12114 | case SSI_IEEE_IGNORE_STATE_AT_SIGNAL: | |
12115 | -- Not implemented in linux kernel | |
12116 | */ | |
12117 | } | |
72eb7ea8 | 12118 | return ret; |
ba0e276d RH |
12119 | #endif |
12120 | #ifdef TARGET_NR_osf_sigprocmask | |
12121 | /* Alpha specific. */ | |
12122 | case TARGET_NR_osf_sigprocmask: | |
12123 | { | |
12124 | abi_ulong mask; | |
bc088ba1 | 12125 | int how; |
ba0e276d RH |
12126 | sigset_t set, oldset; |
12127 | ||
12128 | switch(arg1) { | |
12129 | case TARGET_SIG_BLOCK: | |
12130 | how = SIG_BLOCK; | |
12131 | break; | |
12132 | case TARGET_SIG_UNBLOCK: | |
12133 | how = SIG_UNBLOCK; | |
12134 | break; | |
12135 | case TARGET_SIG_SETMASK: | |
12136 | how = SIG_SETMASK; | |
12137 | break; | |
12138 | default: | |
259841c1 | 12139 | return -TARGET_EINVAL; |
ba0e276d RH |
12140 | } |
12141 | mask = arg2; | |
12142 | target_to_host_old_sigset(&set, &mask); | |
3d3efba0 PM |
12143 | ret = do_sigprocmask(how, &set, &oldset); |
12144 | if (!ret) { | |
12145 | host_to_target_old_sigset(&mask, &oldset); | |
12146 | ret = mask; | |
12147 | } | |
ba0e276d | 12148 | } |
72eb7ea8 | 12149 | return ret; |
ba0e276d | 12150 | #endif |
64b4d28c | 12151 | |
a315a145 | 12152 | #ifdef TARGET_NR_getgid32 |
31e31b8a | 12153 | case TARGET_NR_getgid32: |
72eb7ea8 | 12154 | return get_errno(getgid()); |
a315a145 FB |
12155 | #endif |
12156 | #ifdef TARGET_NR_geteuid32 | |
31e31b8a | 12157 | case TARGET_NR_geteuid32: |
72eb7ea8 | 12158 | return get_errno(geteuid()); |
a315a145 FB |
12159 | #endif |
12160 | #ifdef TARGET_NR_getegid32 | |
31e31b8a | 12161 | case TARGET_NR_getegid32: |
72eb7ea8 | 12162 | return get_errno(getegid()); |
a315a145 FB |
12163 | #endif |
12164 | #ifdef TARGET_NR_setreuid32 | |
31e31b8a | 12165 | case TARGET_NR_setreuid32: |
72eb7ea8 | 12166 | return get_errno(setreuid(arg1, arg2)); |
a315a145 FB |
12167 | #endif |
12168 | #ifdef TARGET_NR_setregid32 | |
31e31b8a | 12169 | case TARGET_NR_setregid32: |
72eb7ea8 | 12170 | return get_errno(setregid(arg1, arg2)); |
a315a145 FB |
12171 | #endif |
12172 | #ifdef TARGET_NR_getgroups32 | |
31e31b8a | 12173 | case TARGET_NR_getgroups32: |
725160fe | 12174 | { /* the same code as for TARGET_NR_getgroups */ |
99c475ab | 12175 | int gidsetsize = arg1; |
53a5960a | 12176 | uint32_t *target_grouplist; |
1e35d327 | 12177 | g_autofree gid_t *grouplist = NULL; |
99c475ab FB |
12178 | int i; |
12179 | ||
8fbf89a9 | 12180 | if (gidsetsize > NGROUPS_MAX || gidsetsize < 0) { |
1e35d327 MT |
12181 | return -TARGET_EINVAL; |
12182 | } | |
12183 | if (gidsetsize > 0) { | |
12184 | grouplist = g_try_new(gid_t, gidsetsize); | |
12185 | if (!grouplist) { | |
12186 | return -TARGET_ENOMEM; | |
12187 | } | |
12188 | } | |
99c475ab | 12189 | ret = get_errno(getgroups(gidsetsize, grouplist)); |
1e35d327 MT |
12190 | if (!is_error(ret) && gidsetsize > 0) { |
12191 | target_grouplist = lock_user(VERIFY_WRITE, arg2, | |
12192 | gidsetsize * 4, 0); | |
579a97f7 | 12193 | if (!target_grouplist) { |
259841c1 | 12194 | return -TARGET_EFAULT; |
579a97f7 | 12195 | } |
1e35d327 | 12196 | for (i = 0; i < ret; i++) { |
53a5960a | 12197 | target_grouplist[i] = tswap32(grouplist[i]); |
1e35d327 | 12198 | } |
53a5960a | 12199 | unlock_user(target_grouplist, arg2, gidsetsize * 4); |
99c475ab | 12200 | } |
1e35d327 | 12201 | return ret; |
99c475ab | 12202 | } |
a315a145 FB |
12203 | #endif |
12204 | #ifdef TARGET_NR_setgroups32 | |
31e31b8a | 12205 | case TARGET_NR_setgroups32: |
725160fe | 12206 | { /* the same code as for TARGET_NR_setgroups */ |
99c475ab | 12207 | int gidsetsize = arg1; |
53a5960a | 12208 | uint32_t *target_grouplist; |
1e35d327 | 12209 | g_autofree gid_t *grouplist = NULL; |
99c475ab | 12210 | int i; |
3b46e624 | 12211 | |
1e35d327 MT |
12212 | if (gidsetsize > NGROUPS_MAX || gidsetsize < 0) { |
12213 | return -TARGET_EINVAL; | |
12214 | } | |
12215 | if (gidsetsize > 0) { | |
12216 | grouplist = g_try_new(gid_t, gidsetsize); | |
12217 | if (!grouplist) { | |
12218 | return -TARGET_ENOMEM; | |
12219 | } | |
12220 | target_grouplist = lock_user(VERIFY_READ, arg2, | |
12221 | gidsetsize * 4, 1); | |
12222 | if (!target_grouplist) { | |
12223 | return -TARGET_EFAULT; | |
12224 | } | |
12225 | for (i = 0; i < gidsetsize; i++) { | |
12226 | grouplist[i] = tswap32(target_grouplist[i]); | |
12227 | } | |
12228 | unlock_user(target_grouplist, arg2, 0); | |
579a97f7 | 12229 | } |
72eb7ea8 | 12230 | return get_errno(setgroups(gidsetsize, grouplist)); |
99c475ab | 12231 | } |
a315a145 FB |
12232 | #endif |
12233 | #ifdef TARGET_NR_fchown32 | |
31e31b8a | 12234 | case TARGET_NR_fchown32: |
72eb7ea8 | 12235 | return get_errno(fchown(arg1, arg2, arg3)); |
a315a145 FB |
12236 | #endif |
12237 | #ifdef TARGET_NR_setresuid32 | |
31e31b8a | 12238 | case TARGET_NR_setresuid32: |
72eb7ea8 | 12239 | return get_errno(sys_setresuid(arg1, arg2, arg3)); |
a315a145 FB |
12240 | #endif |
12241 | #ifdef TARGET_NR_getresuid32 | |
31e31b8a | 12242 | case TARGET_NR_getresuid32: |
b03c60f3 | 12243 | { |
53a5960a | 12244 | uid_t ruid, euid, suid; |
b03c60f3 FB |
12245 | ret = get_errno(getresuid(&ruid, &euid, &suid)); |
12246 | if (!is_error(ret)) { | |
2f619698 FB |
12247 | if (put_user_u32(ruid, arg1) |
12248 | || put_user_u32(euid, arg2) | |
12249 | || put_user_u32(suid, arg3)) | |
2852aafd | 12250 | return -TARGET_EFAULT; |
b03c60f3 FB |
12251 | } |
12252 | } | |
72eb7ea8 | 12253 | return ret; |
a315a145 FB |
12254 | #endif |
12255 | #ifdef TARGET_NR_setresgid32 | |
31e31b8a | 12256 | case TARGET_NR_setresgid32: |
72eb7ea8 | 12257 | return get_errno(sys_setresgid(arg1, arg2, arg3)); |
a315a145 FB |
12258 | #endif |
12259 | #ifdef TARGET_NR_getresgid32 | |
31e31b8a | 12260 | case TARGET_NR_getresgid32: |
b03c60f3 | 12261 | { |
53a5960a | 12262 | gid_t rgid, egid, sgid; |
b03c60f3 FB |
12263 | ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
12264 | if (!is_error(ret)) { | |
2f619698 FB |
12265 | if (put_user_u32(rgid, arg1) |
12266 | || put_user_u32(egid, arg2) | |
12267 | || put_user_u32(sgid, arg3)) | |
2852aafd | 12268 | return -TARGET_EFAULT; |
b03c60f3 FB |
12269 | } |
12270 | } | |
72eb7ea8 | 12271 | return ret; |
a315a145 FB |
12272 | #endif |
12273 | #ifdef TARGET_NR_chown32 | |
31e31b8a | 12274 | case TARGET_NR_chown32: |
579a97f7 | 12275 | if (!(p = lock_user_string(arg1))) |
2852aafd | 12276 | return -TARGET_EFAULT; |
53a5960a PB |
12277 | ret = get_errno(chown(p, arg2, arg3)); |
12278 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 12279 | return ret; |
a315a145 FB |
12280 | #endif |
12281 | #ifdef TARGET_NR_setuid32 | |
31e31b8a | 12282 | case TARGET_NR_setuid32: |
72eb7ea8 | 12283 | return get_errno(sys_setuid(arg1)); |
a315a145 FB |
12284 | #endif |
12285 | #ifdef TARGET_NR_setgid32 | |
31e31b8a | 12286 | case TARGET_NR_setgid32: |
72eb7ea8 | 12287 | return get_errno(sys_setgid(arg1)); |
a315a145 FB |
12288 | #endif |
12289 | #ifdef TARGET_NR_setfsuid32 | |
31e31b8a | 12290 | case TARGET_NR_setfsuid32: |
72eb7ea8 | 12291 | return get_errno(setfsuid(arg1)); |
a315a145 FB |
12292 | #endif |
12293 | #ifdef TARGET_NR_setfsgid32 | |
31e31b8a | 12294 | case TARGET_NR_setfsgid32: |
72eb7ea8 | 12295 | return get_errno(setfsgid(arg1)); |
a315a145 | 12296 | #endif |
ffa65c3b | 12297 | #ifdef TARGET_NR_mincore |
31e31b8a | 12298 | case TARGET_NR_mincore: |
04bb9ace | 12299 | { |
f443a26c | 12300 | void *a = lock_user(VERIFY_NONE, arg1, arg2, 0); |
98a3331a | 12301 | if (!a) { |
259841c1 | 12302 | return -TARGET_ENOMEM; |
98a3331a | 12303 | } |
98a3331a FSM |
12304 | p = lock_user_string(arg3); |
12305 | if (!p) { | |
259841c1 RH |
12306 | ret = -TARGET_EFAULT; |
12307 | } else { | |
12308 | ret = get_errno(mincore(a, arg2, p)); | |
12309 | unlock_user(p, arg3, ret); | |
98a3331a | 12310 | } |
04bb9ace AJ |
12311 | unlock_user(a, arg1, 0); |
12312 | } | |
72eb7ea8 | 12313 | return ret; |
ffa65c3b | 12314 | #endif |
408321b6 AJ |
12315 | #ifdef TARGET_NR_arm_fadvise64_64 |
12316 | case TARGET_NR_arm_fadvise64_64: | |
e0156a9d PM |
12317 | /* arm_fadvise64_64 looks like fadvise64_64 but |
12318 | * with different argument order: fd, advice, offset, len | |
12319 | * rather than the usual fd, offset, len, advice. | |
12320 | * Note that offset and len are both 64-bit so appear as | |
12321 | * pairs of 32-bit registers. | |
12322 | */ | |
12323 | ret = posix_fadvise(arg1, target_offset64(arg3, arg4), | |
12324 | target_offset64(arg5, arg6), arg2); | |
72eb7ea8 | 12325 | return -host_to_target_errno(ret); |
408321b6 | 12326 | #endif |
badd3cd8 | 12327 | |
eeed2291 | 12328 | #if TARGET_ABI_BITS == 32 && !defined(TARGET_ABI_MIPSN32) |
badd3cd8 PM |
12329 | |
12330 | #ifdef TARGET_NR_fadvise64_64 | |
12331 | case TARGET_NR_fadvise64_64: | |
64a563dd | 12332 | #if defined(TARGET_PPC) || defined(TARGET_XTENSA) |
43046b5a LV |
12333 | /* 6 args: fd, advice, offset (high, low), len (high, low) */ |
12334 | ret = arg2; | |
12335 | arg2 = arg3; | |
12336 | arg3 = arg4; | |
12337 | arg4 = arg5; | |
12338 | arg5 = arg6; | |
12339 | arg6 = ret; | |
12340 | #else | |
badd3cd8 | 12341 | /* 6 args: fd, offset (high, low), len (high, low), advice */ |
8bf8e9df | 12342 | if (regpairs_aligned(cpu_env, num)) { |
badd3cd8 PM |
12343 | /* offset is in (3,4), len in (5,6) and advice in 7 */ |
12344 | arg2 = arg3; | |
12345 | arg3 = arg4; | |
12346 | arg4 = arg5; | |
12347 | arg5 = arg6; | |
12348 | arg6 = arg7; | |
12349 | } | |
43046b5a | 12350 | #endif |
72eb7ea8 RH |
12351 | ret = posix_fadvise(arg1, target_offset64(arg2, arg3), |
12352 | target_offset64(arg4, arg5), arg6); | |
12353 | return -host_to_target_errno(ret); | |
badd3cd8 PM |
12354 | #endif |
12355 | ||
12356 | #ifdef TARGET_NR_fadvise64 | |
12357 | case TARGET_NR_fadvise64: | |
12358 | /* 5 args: fd, offset (high, low), len, advice */ | |
8bf8e9df | 12359 | if (regpairs_aligned(cpu_env, num)) { |
badd3cd8 PM |
12360 | /* offset is in (3,4), len in 5 and advice in 6 */ |
12361 | arg2 = arg3; | |
12362 | arg3 = arg4; | |
12363 | arg4 = arg5; | |
12364 | arg5 = arg6; | |
12365 | } | |
72eb7ea8 RH |
12366 | ret = posix_fadvise(arg1, target_offset64(arg2, arg3), arg4, arg5); |
12367 | return -host_to_target_errno(ret); | |
408321b6 | 12368 | #endif |
badd3cd8 PM |
12369 | |
12370 | #else /* not a 32-bit ABI */ | |
e0156a9d | 12371 | #if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_fadvise64) |
408321b6 AJ |
12372 | #ifdef TARGET_NR_fadvise64_64 |
12373 | case TARGET_NR_fadvise64_64: | |
12374 | #endif | |
e72d2cc7 UH |
12375 | #ifdef TARGET_NR_fadvise64 |
12376 | case TARGET_NR_fadvise64: | |
12377 | #endif | |
12378 | #ifdef TARGET_S390X | |
12379 | switch (arg4) { | |
12380 | case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */ | |
12381 | case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */ | |
12382 | case 6: arg4 = POSIX_FADV_DONTNEED; break; | |
12383 | case 7: arg4 = POSIX_FADV_NOREUSE; break; | |
12384 | default: break; | |
12385 | } | |
12386 | #endif | |
72eb7ea8 | 12387 | return -host_to_target_errno(posix_fadvise(arg1, arg2, arg3, arg4)); |
408321b6 | 12388 | #endif |
badd3cd8 PM |
12389 | #endif /* end of 64-bit ABI fadvise handling */ |
12390 | ||
ffa65c3b | 12391 | #ifdef TARGET_NR_madvise |
31e31b8a | 12392 | case TARGET_NR_madvise: |
892a4f6a | 12393 | return target_madvise(arg1, arg2, arg3); |
ffa65c3b | 12394 | #endif |
bbf5f2a1 | 12395 | #ifdef TARGET_NR_fcntl64 |
31e31b8a | 12396 | case TARGET_NR_fcntl64: |
77e4672d | 12397 | { |
bbf5f2a1 AB |
12398 | int cmd; |
12399 | struct flock64 fl; | |
213d3e9e PM |
12400 | from_flock64_fn *copyfrom = copy_from_user_flock64; |
12401 | to_flock64_fn *copyto = copy_to_user_flock64; | |
12402 | ||
ce4defa0 | 12403 | #ifdef TARGET_ARM |
0effdc29 | 12404 | if (!cpu_env->eabi) { |
7f254c5c LV |
12405 | copyfrom = copy_from_user_oabi_flock64; |
12406 | copyto = copy_to_user_oabi_flock64; | |
213d3e9e | 12407 | } |
ce4defa0 | 12408 | #endif |
77e4672d | 12409 | |
bbf5f2a1 | 12410 | cmd = target_to_host_fcntl_cmd(arg2); |
31b63193 | 12411 | if (cmd == -TARGET_EINVAL) { |
72eb7ea8 | 12412 | return cmd; |
31b63193 | 12413 | } |
b1e341eb | 12414 | |
60cd49d5 | 12415 | switch(arg2) { |
b1e341eb | 12416 | case TARGET_F_GETLK64: |
213d3e9e PM |
12417 | ret = copyfrom(&fl, arg3); |
12418 | if (ret) { | |
12419 | break; | |
5813427b | 12420 | } |
af8ab2bf | 12421 | ret = get_errno(safe_fcntl(arg1, cmd, &fl)); |
213d3e9e PM |
12422 | if (ret == 0) { |
12423 | ret = copyto(arg3, &fl); | |
12424 | } | |
77e4672d FB |
12425 | break; |
12426 | ||
b1e341eb TS |
12427 | case TARGET_F_SETLK64: |
12428 | case TARGET_F_SETLKW64: | |
213d3e9e PM |
12429 | ret = copyfrom(&fl, arg3); |
12430 | if (ret) { | |
12431 | break; | |
ce4defa0 | 12432 | } |
435da5e7 | 12433 | ret = get_errno(safe_fcntl(arg1, cmd, &fl)); |
77e4672d | 12434 | break; |
60cd49d5 | 12435 | default: |
5f106811 | 12436 | ret = do_fcntl(arg1, arg2, arg3); |
60cd49d5 FB |
12437 | break; |
12438 | } | |
72eb7ea8 | 12439 | return ret; |
77e4672d | 12440 | } |
60cd49d5 | 12441 | #endif |
7d600c80 TS |
12442 | #ifdef TARGET_NR_cacheflush |
12443 | case TARGET_NR_cacheflush: | |
12444 | /* self-modifying code is handled automatically, so nothing needed */ | |
72eb7ea8 | 12445 | return 0; |
7d600c80 | 12446 | #endif |
c573ff67 FB |
12447 | #ifdef TARGET_NR_getpagesize |
12448 | case TARGET_NR_getpagesize: | |
72eb7ea8 | 12449 | return TARGET_PAGE_SIZE; |
ebc05488 | 12450 | #endif |
31e31b8a | 12451 | case TARGET_NR_gettid: |
71ba74f6 | 12452 | return get_errno(sys_gettid()); |
e5febef5 | 12453 | #ifdef TARGET_NR_readahead |
31e31b8a | 12454 | case TARGET_NR_readahead: |
eeed2291 | 12455 | #if TARGET_ABI_BITS == 32 && !defined(TARGET_ABI_MIPSN32) |
8bf8e9df | 12456 | if (regpairs_aligned(cpu_env, num)) { |
2054ac9b AJ |
12457 | arg2 = arg3; |
12458 | arg3 = arg4; | |
12459 | arg4 = arg5; | |
12460 | } | |
77c6850f | 12461 | ret = get_errno(readahead(arg1, target_offset64(arg2, arg3) , arg4)); |
2054ac9b AJ |
12462 | #else |
12463 | ret = get_errno(readahead(arg1, arg2, arg3)); | |
12464 | #endif | |
72eb7ea8 | 12465 | return ret; |
e5febef5 | 12466 | #endif |
a790ae38 | 12467 | #ifdef CONFIG_ATTR |
ebc05488 | 12468 | #ifdef TARGET_NR_setxattr |
31e31b8a FB |
12469 | case TARGET_NR_listxattr: |
12470 | case TARGET_NR_llistxattr: | |
fb5590f7 | 12471 | { |
77c9f177 | 12472 | void *b = 0; |
fb5590f7 PM |
12473 | if (arg2) { |
12474 | b = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
12475 | if (!b) { | |
72eb7ea8 | 12476 | return -TARGET_EFAULT; |
fb5590f7 PM |
12477 | } |
12478 | } | |
12479 | p = lock_user_string(arg1); | |
12480 | if (p) { | |
12481 | if (num == TARGET_NR_listxattr) { | |
12482 | ret = get_errno(listxattr(p, b, arg3)); | |
12483 | } else { | |
12484 | ret = get_errno(llistxattr(p, b, arg3)); | |
12485 | } | |
12486 | } else { | |
12487 | ret = -TARGET_EFAULT; | |
12488 | } | |
12489 | unlock_user(p, arg1, 0); | |
12490 | unlock_user(b, arg2, arg3); | |
72eb7ea8 | 12491 | return ret; |
fb5590f7 | 12492 | } |
31e31b8a | 12493 | case TARGET_NR_flistxattr: |
fb5590f7 PM |
12494 | { |
12495 | void *b = 0; | |
12496 | if (arg2) { | |
12497 | b = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
12498 | if (!b) { | |
72eb7ea8 | 12499 | return -TARGET_EFAULT; |
fb5590f7 PM |
12500 | } |
12501 | } | |
12502 | ret = get_errno(flistxattr(arg1, b, arg3)); | |
12503 | unlock_user(b, arg2, arg3); | |
72eb7ea8 | 12504 | return ret; |
fb5590f7 | 12505 | } |
a790ae38 | 12506 | case TARGET_NR_setxattr: |
30297b55 | 12507 | case TARGET_NR_lsetxattr: |
a790ae38 | 12508 | { |
77c9f177 | 12509 | void *n, *v = 0; |
e3c33ec6 PM |
12510 | if (arg3) { |
12511 | v = lock_user(VERIFY_READ, arg3, arg4, 1); | |
12512 | if (!v) { | |
72eb7ea8 | 12513 | return -TARGET_EFAULT; |
e3c33ec6 PM |
12514 | } |
12515 | } | |
a790ae38 ACH |
12516 | p = lock_user_string(arg1); |
12517 | n = lock_user_string(arg2); | |
e3c33ec6 | 12518 | if (p && n) { |
30297b55 PM |
12519 | if (num == TARGET_NR_setxattr) { |
12520 | ret = get_errno(setxattr(p, n, v, arg4, arg5)); | |
12521 | } else { | |
12522 | ret = get_errno(lsetxattr(p, n, v, arg4, arg5)); | |
12523 | } | |
a790ae38 ACH |
12524 | } else { |
12525 | ret = -TARGET_EFAULT; | |
12526 | } | |
12527 | unlock_user(p, arg1, 0); | |
12528 | unlock_user(n, arg2, 0); | |
12529 | unlock_user(v, arg3, 0); | |
12530 | } | |
72eb7ea8 | 12531 | return ret; |
30297b55 PM |
12532 | case TARGET_NR_fsetxattr: |
12533 | { | |
12534 | void *n, *v = 0; | |
12535 | if (arg3) { | |
12536 | v = lock_user(VERIFY_READ, arg3, arg4, 1); | |
12537 | if (!v) { | |
72eb7ea8 | 12538 | return -TARGET_EFAULT; |
30297b55 PM |
12539 | } |
12540 | } | |
12541 | n = lock_user_string(arg2); | |
12542 | if (n) { | |
12543 | ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5)); | |
12544 | } else { | |
12545 | ret = -TARGET_EFAULT; | |
12546 | } | |
12547 | unlock_user(n, arg2, 0); | |
12548 | unlock_user(v, arg3, 0); | |
12549 | } | |
72eb7ea8 | 12550 | return ret; |
a790ae38 | 12551 | case TARGET_NR_getxattr: |
30297b55 | 12552 | case TARGET_NR_lgetxattr: |
a790ae38 | 12553 | { |
77c9f177 | 12554 | void *n, *v = 0; |
e3c33ec6 PM |
12555 | if (arg3) { |
12556 | v = lock_user(VERIFY_WRITE, arg3, arg4, 0); | |
12557 | if (!v) { | |
72eb7ea8 | 12558 | return -TARGET_EFAULT; |
e3c33ec6 PM |
12559 | } |
12560 | } | |
a790ae38 ACH |
12561 | p = lock_user_string(arg1); |
12562 | n = lock_user_string(arg2); | |
e3c33ec6 | 12563 | if (p && n) { |
30297b55 PM |
12564 | if (num == TARGET_NR_getxattr) { |
12565 | ret = get_errno(getxattr(p, n, v, arg4)); | |
12566 | } else { | |
12567 | ret = get_errno(lgetxattr(p, n, v, arg4)); | |
12568 | } | |
a790ae38 ACH |
12569 | } else { |
12570 | ret = -TARGET_EFAULT; | |
12571 | } | |
12572 | unlock_user(p, arg1, 0); | |
12573 | unlock_user(n, arg2, 0); | |
12574 | unlock_user(v, arg3, arg4); | |
12575 | } | |
72eb7ea8 | 12576 | return ret; |
30297b55 PM |
12577 | case TARGET_NR_fgetxattr: |
12578 | { | |
12579 | void *n, *v = 0; | |
12580 | if (arg3) { | |
12581 | v = lock_user(VERIFY_WRITE, arg3, arg4, 0); | |
12582 | if (!v) { | |
72eb7ea8 | 12583 | return -TARGET_EFAULT; |
30297b55 PM |
12584 | } |
12585 | } | |
12586 | n = lock_user_string(arg2); | |
12587 | if (n) { | |
12588 | ret = get_errno(fgetxattr(arg1, n, v, arg4)); | |
12589 | } else { | |
12590 | ret = -TARGET_EFAULT; | |
12591 | } | |
12592 | unlock_user(n, arg2, 0); | |
12593 | unlock_user(v, arg3, arg4); | |
12594 | } | |
72eb7ea8 | 12595 | return ret; |
a790ae38 | 12596 | case TARGET_NR_removexattr: |
30297b55 | 12597 | case TARGET_NR_lremovexattr: |
a790ae38 | 12598 | { |
77c9f177 | 12599 | void *n; |
a790ae38 ACH |
12600 | p = lock_user_string(arg1); |
12601 | n = lock_user_string(arg2); | |
12602 | if (p && n) { | |
30297b55 PM |
12603 | if (num == TARGET_NR_removexattr) { |
12604 | ret = get_errno(removexattr(p, n)); | |
12605 | } else { | |
12606 | ret = get_errno(lremovexattr(p, n)); | |
12607 | } | |
a790ae38 ACH |
12608 | } else { |
12609 | ret = -TARGET_EFAULT; | |
12610 | } | |
12611 | unlock_user(p, arg1, 0); | |
12612 | unlock_user(n, arg2, 0); | |
12613 | } | |
72eb7ea8 | 12614 | return ret; |
30297b55 PM |
12615 | case TARGET_NR_fremovexattr: |
12616 | { | |
12617 | void *n; | |
12618 | n = lock_user_string(arg2); | |
12619 | if (n) { | |
12620 | ret = get_errno(fremovexattr(arg1, n)); | |
12621 | } else { | |
12622 | ret = -TARGET_EFAULT; | |
12623 | } | |
12624 | unlock_user(n, arg2, 0); | |
12625 | } | |
72eb7ea8 | 12626 | return ret; |
ebc05488 | 12627 | #endif |
a790ae38 | 12628 | #endif /* CONFIG_ATTR */ |
ebc05488 | 12629 | #ifdef TARGET_NR_set_thread_area |
5cd4393b | 12630 | case TARGET_NR_set_thread_area: |
8d18e893 | 12631 | #if defined(TARGET_MIPS) |
0effdc29 | 12632 | cpu_env->active_tc.CP0_UserLocal = arg1; |
72eb7ea8 | 12633 | return 0; |
ef96779b EI |
12634 | #elif defined(TARGET_CRIS) |
12635 | if (arg1 & 0xff) | |
12636 | ret = -TARGET_EINVAL; | |
12637 | else { | |
0effdc29 | 12638 | cpu_env->pregs[PR_PID] = arg1; |
ef96779b EI |
12639 | ret = 0; |
12640 | } | |
72eb7ea8 | 12641 | return ret; |
8d18e893 | 12642 | #elif defined(TARGET_I386) && defined(TARGET_ABI32) |
72eb7ea8 | 12643 | return do_set_thread_area(cpu_env, arg1); |
1ccd9374 PM |
12644 | #elif defined(TARGET_M68K) |
12645 | { | |
e4e5cb4a | 12646 | TaskState *ts = get_task_state(cpu); |
1ccd9374 | 12647 | ts->tp_value = arg1; |
72eb7ea8 | 12648 | return 0; |
1ccd9374 | 12649 | } |
6f5b89a0 | 12650 | #else |
10f45d98 | 12651 | return -TARGET_ENOSYS; |
6f5b89a0 TS |
12652 | #endif |
12653 | #endif | |
12654 | #ifdef TARGET_NR_get_thread_area | |
5cd4393b | 12655 | case TARGET_NR_get_thread_area: |
8d18e893 | 12656 | #if defined(TARGET_I386) && defined(TARGET_ABI32) |
72eb7ea8 | 12657 | return do_get_thread_area(cpu_env, arg1); |
1ccd9374 PM |
12658 | #elif defined(TARGET_M68K) |
12659 | { | |
e4e5cb4a | 12660 | TaskState *ts = get_task_state(cpu); |
72eb7ea8 | 12661 | return ts->tp_value; |
1ccd9374 | 12662 | } |
8d18e893 | 12663 | #else |
10f45d98 | 12664 | return -TARGET_ENOSYS; |
48dc41eb | 12665 | #endif |
8d18e893 | 12666 | #endif |
48dc41eb FB |
12667 | #ifdef TARGET_NR_getdomainname |
12668 | case TARGET_NR_getdomainname: | |
10f45d98 | 12669 | return -TARGET_ENOSYS; |
ebc05488 | 12670 | #endif |
6f5b89a0 | 12671 | |
12e3340c MF |
12672 | #ifdef TARGET_NR_clock_settime |
12673 | case TARGET_NR_clock_settime: | |
12674 | { | |
12675 | struct timespec ts; | |
12676 | ||
12677 | ret = target_to_host_timespec(&ts, arg2); | |
12678 | if (!is_error(ret)) { | |
12679 | ret = get_errno(clock_settime(arg1, &ts)); | |
12680 | } | |
72eb7ea8 | 12681 | return ret; |
12e3340c MF |
12682 | } |
12683 | #endif | |
c6c8d102 AF |
12684 | #ifdef TARGET_NR_clock_settime64 |
12685 | case TARGET_NR_clock_settime64: | |
12686 | { | |
12687 | struct timespec ts; | |
12688 | ||
12689 | ret = target_to_host_timespec64(&ts, arg2); | |
12690 | if (!is_error(ret)) { | |
12691 | ret = get_errno(clock_settime(arg1, &ts)); | |
12692 | } | |
12693 | return ret; | |
12694 | } | |
12695 | #endif | |
b5906f95 TS |
12696 | #ifdef TARGET_NR_clock_gettime |
12697 | case TARGET_NR_clock_gettime: | |
12698 | { | |
12699 | struct timespec ts; | |
12700 | ret = get_errno(clock_gettime(arg1, &ts)); | |
12701 | if (!is_error(ret)) { | |
b9f9908e | 12702 | ret = host_to_target_timespec(arg2, &ts); |
b5906f95 | 12703 | } |
72eb7ea8 | 12704 | return ret; |
b5906f95 TS |
12705 | } |
12706 | #endif | |
c6c8d102 AF |
12707 | #ifdef TARGET_NR_clock_gettime64 |
12708 | case TARGET_NR_clock_gettime64: | |
12709 | { | |
12710 | struct timespec ts; | |
12711 | ret = get_errno(clock_gettime(arg1, &ts)); | |
12712 | if (!is_error(ret)) { | |
12713 | ret = host_to_target_timespec64(arg2, &ts); | |
12714 | } | |
12715 | return ret; | |
12716 | } | |
12717 | #endif | |
b5906f95 TS |
12718 | #ifdef TARGET_NR_clock_getres |
12719 | case TARGET_NR_clock_getres: | |
12720 | { | |
12721 | struct timespec ts; | |
12722 | ret = get_errno(clock_getres(arg1, &ts)); | |
12723 | if (!is_error(ret)) { | |
12724 | host_to_target_timespec(arg2, &ts); | |
12725 | } | |
72eb7ea8 | 12726 | return ret; |
b5906f95 TS |
12727 | } |
12728 | #endif | |
828cb3a1 FB |
12729 | #ifdef TARGET_NR_clock_getres_time64 |
12730 | case TARGET_NR_clock_getres_time64: | |
12731 | { | |
12732 | struct timespec ts; | |
12733 | ret = get_errno(clock_getres(arg1, &ts)); | |
12734 | if (!is_error(ret)) { | |
12735 | host_to_target_timespec64(arg2, &ts); | |
12736 | } | |
12737 | return ret; | |
12738 | } | |
12739 | #endif | |
63d7651b PB |
12740 | #ifdef TARGET_NR_clock_nanosleep |
12741 | case TARGET_NR_clock_nanosleep: | |
12742 | { | |
12743 | struct timespec ts; | |
b09d6406 FB |
12744 | if (target_to_host_timespec(&ts, arg3)) { |
12745 | return -TARGET_EFAULT; | |
12746 | } | |
9e518226 PM |
12747 | ret = get_errno(safe_clock_nanosleep(arg1, arg2, |
12748 | &ts, arg4 ? &ts : NULL)); | |
8ec68a0a LV |
12749 | /* |
12750 | * if the call is interrupted by a signal handler, it fails | |
12751 | * with error -TARGET_EINTR and if arg4 is not NULL and arg2 is not | |
12752 | * TIMER_ABSTIME, it returns the remaining unslept time in arg4. | |
12753 | */ | |
b09d6406 FB |
12754 | if (ret == -TARGET_EINTR && arg4 && arg2 != TIMER_ABSTIME && |
12755 | host_to_target_timespec(arg4, &ts)) { | |
12756 | return -TARGET_EFAULT; | |
8ec68a0a | 12757 | } |
8fbe8fdf | 12758 | |
72eb7ea8 | 12759 | return ret; |
63d7651b PB |
12760 | } |
12761 | #endif | |
6ac03b2c FB |
12762 | #ifdef TARGET_NR_clock_nanosleep_time64 |
12763 | case TARGET_NR_clock_nanosleep_time64: | |
12764 | { | |
12765 | struct timespec ts; | |
12766 | ||
12767 | if (target_to_host_timespec64(&ts, arg3)) { | |
12768 | return -TARGET_EFAULT; | |
12769 | } | |
12770 | ||
12771 | ret = get_errno(safe_clock_nanosleep(arg1, arg2, | |
12772 | &ts, arg4 ? &ts : NULL)); | |
12773 | ||
12774 | if (ret == -TARGET_EINTR && arg4 && arg2 != TIMER_ABSTIME && | |
12775 | host_to_target_timespec64(arg4, &ts)) { | |
12776 | return -TARGET_EFAULT; | |
12777 | } | |
12778 | return ret; | |
12779 | } | |
12780 | #endif | |
b5906f95 | 12781 | |
9a7f682c | 12782 | #if defined(TARGET_NR_set_tid_address) |
6f5b89a0 | 12783 | case TARGET_NR_set_tid_address: |
9a7f682c | 12784 | { |
e4e5cb4a | 12785 | TaskState *ts = get_task_state(cpu); |
9a7f682c HD |
12786 | ts->child_tidptr = arg1; |
12787 | /* do not call host set_tid_address() syscall, instead return tid() */ | |
12788 | return get_errno(sys_gettid()); | |
12789 | } | |
6f5b89a0 TS |
12790 | #endif |
12791 | ||
4cae1d16 | 12792 | case TARGET_NR_tkill: |
72eb7ea8 | 12793 | return get_errno(safe_tkill((int)arg1, target_to_host_signal(arg2))); |
4cae1d16 | 12794 | |
71455574 | 12795 | case TARGET_NR_tgkill: |
72eb7ea8 RH |
12796 | return get_errno(safe_tgkill((int)arg1, (int)arg2, |
12797 | target_to_host_signal(arg3))); | |
71455574 | 12798 | |
4f2b1fe8 TS |
12799 | #ifdef TARGET_NR_set_robust_list |
12800 | case TARGET_NR_set_robust_list: | |
e9a970a8 PM |
12801 | case TARGET_NR_get_robust_list: |
12802 | /* The ABI for supporting robust futexes has userspace pass | |
12803 | * the kernel a pointer to a linked list which is updated by | |
12804 | * userspace after the syscall; the list is walked by the kernel | |
12805 | * when the thread exits. Since the linked list in QEMU guest | |
12806 | * memory isn't a valid linked list for the host and we have | |
12807 | * no way to reliably intercept the thread-death event, we can't | |
12808 | * support these. Silently return ENOSYS so that guest userspace | |
12809 | * falls back to a non-robust futex implementation (which should | |
12810 | * be OK except in the corner case of the guest crashing while | |
12811 | * holding a mutex that is shared with another process via | |
12812 | * shared memory). | |
12813 | */ | |
10f45d98 | 12814 | return -TARGET_ENOSYS; |
4f2b1fe8 TS |
12815 | #endif |
12816 | ||
1acae9f2 | 12817 | #if defined(TARGET_NR_utimensat) |
9007f0ef TS |
12818 | case TARGET_NR_utimensat: |
12819 | { | |
ebc996f3 RV |
12820 | struct timespec *tsp, ts[2]; |
12821 | if (!arg3) { | |
12822 | tsp = NULL; | |
12823 | } else { | |
b3a3af70 FB |
12824 | if (target_to_host_timespec(ts, arg3)) { |
12825 | return -TARGET_EFAULT; | |
12826 | } | |
12827 | if (target_to_host_timespec(ts + 1, arg3 + | |
12828 | sizeof(struct target_timespec))) { | |
12829 | return -TARGET_EFAULT; | |
12830 | } | |
ebc996f3 RV |
12831 | tsp = ts; |
12832 | } | |
9007f0ef | 12833 | if (!arg2) |
ebc996f3 | 12834 | ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4)); |
9007f0ef | 12835 | else { |
579a97f7 | 12836 | if (!(p = lock_user_string(arg2))) { |
259841c1 | 12837 | return -TARGET_EFAULT; |
579a97f7 | 12838 | } |
ebc996f3 | 12839 | ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4)); |
579a97f7 | 12840 | unlock_user(p, arg2, 0); |
cac46eb0 FB |
12841 | } |
12842 | } | |
12843 | return ret; | |
12844 | #endif | |
12845 | #ifdef TARGET_NR_utimensat_time64 | |
12846 | case TARGET_NR_utimensat_time64: | |
12847 | { | |
12848 | struct timespec *tsp, ts[2]; | |
12849 | if (!arg3) { | |
12850 | tsp = NULL; | |
12851 | } else { | |
12852 | if (target_to_host_timespec64(ts, arg3)) { | |
12853 | return -TARGET_EFAULT; | |
12854 | } | |
12855 | if (target_to_host_timespec64(ts + 1, arg3 + | |
12856 | sizeof(struct target__kernel_timespec))) { | |
12857 | return -TARGET_EFAULT; | |
12858 | } | |
12859 | tsp = ts; | |
12860 | } | |
12861 | if (!arg2) | |
12862 | ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4)); | |
12863 | else { | |
12864 | p = lock_user_string(arg2); | |
12865 | if (!p) { | |
12866 | return -TARGET_EFAULT; | |
12867 | } | |
12868 | ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4)); | |
12869 | unlock_user(p, arg2, 0); | |
9007f0ef TS |
12870 | } |
12871 | } | |
72eb7ea8 | 12872 | return ret; |
9007f0ef | 12873 | #endif |
859e8a89 | 12874 | #ifdef TARGET_NR_futex |
bd0c5661 | 12875 | case TARGET_NR_futex: |
0fbc0f8d | 12876 | return do_futex(cpu, false, arg1, arg2, arg3, arg4, arg5, arg6); |
859e8a89 | 12877 | #endif |
14690296 AF |
12878 | #ifdef TARGET_NR_futex_time64 |
12879 | case TARGET_NR_futex_time64: | |
0fbc0f8d | 12880 | return do_futex(cpu, true, arg1, arg2, arg3, arg4, arg5, arg6); |
14690296 | 12881 | #endif |
33f53ac5 PB |
12882 | #ifdef CONFIG_INOTIFY |
12883 | #if defined(TARGET_NR_inotify_init) | |
39b59763 | 12884 | case TARGET_NR_inotify_init: |
33f53ac5 | 12885 | ret = get_errno(inotify_init()); |
b929f7e5 PMD |
12886 | if (ret >= 0) { |
12887 | fd_trans_register(ret, &target_inotify_trans); | |
12888 | } | |
72eb7ea8 | 12889 | return ret; |
39b59763 | 12890 | #endif |
33f53ac5 | 12891 | #if defined(TARGET_NR_inotify_init1) && defined(CONFIG_INOTIFY1) |
c05c7a73 | 12892 | case TARGET_NR_inotify_init1: |
33f53ac5 | 12893 | ret = get_errno(inotify_init1(target_to_host_bitmask(arg1, |
fea243e9 | 12894 | fcntl_flags_tbl))); |
b929f7e5 PMD |
12895 | if (ret >= 0) { |
12896 | fd_trans_register(ret, &target_inotify_trans); | |
12897 | } | |
72eb7ea8 | 12898 | return ret; |
c05c7a73 | 12899 | #endif |
33f53ac5 | 12900 | #if defined(TARGET_NR_inotify_add_watch) |
39b59763 AJ |
12901 | case TARGET_NR_inotify_add_watch: |
12902 | p = lock_user_string(arg2); | |
33f53ac5 | 12903 | ret = get_errno(inotify_add_watch(arg1, path(p), arg3)); |
39b59763 | 12904 | unlock_user(p, arg2, 0); |
72eb7ea8 | 12905 | return ret; |
39b59763 | 12906 | #endif |
33f53ac5 | 12907 | #if defined(TARGET_NR_inotify_rm_watch) |
39b59763 | 12908 | case TARGET_NR_inotify_rm_watch: |
33f53ac5 PB |
12909 | return get_errno(inotify_rm_watch(arg1, arg2)); |
12910 | #endif | |
39b59763 | 12911 | #endif |
9007f0ef | 12912 | |
8ec9cf89 | 12913 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
24e1003a AJ |
12914 | case TARGET_NR_mq_open: |
12915 | { | |
c7536ab6 | 12916 | struct mq_attr posix_mq_attr; |
26400775 | 12917 | struct mq_attr *pposix_mq_attr; |
c7536ab6 | 12918 | int host_flags; |
24e1003a | 12919 | |
c7536ab6 | 12920 | host_flags = target_to_host_bitmask(arg2, fcntl_flags_tbl); |
26400775 LD |
12921 | pposix_mq_attr = NULL; |
12922 | if (arg4) { | |
12923 | if (copy_from_user_mq_attr(&posix_mq_attr, arg4) != 0) { | |
2852aafd | 12924 | return -TARGET_EFAULT; |
26400775 LD |
12925 | } |
12926 | pposix_mq_attr = &posix_mq_attr; | |
c7536ab6 | 12927 | } |
24e1003a | 12928 | p = lock_user_string(arg1 - 1); |
c7536ab6 | 12929 | if (!p) { |
2852aafd | 12930 | return -TARGET_EFAULT; |
b6ce1f6b | 12931 | } |
26400775 | 12932 | ret = get_errno(mq_open(p, host_flags, arg3, pposix_mq_attr)); |
24e1003a AJ |
12933 | unlock_user (p, arg1, 0); |
12934 | } | |
72eb7ea8 | 12935 | return ret; |
24e1003a AJ |
12936 | |
12937 | case TARGET_NR_mq_unlink: | |
12938 | p = lock_user_string(arg1 - 1); | |
3211215e | 12939 | if (!p) { |
72eb7ea8 | 12940 | return -TARGET_EFAULT; |
3211215e | 12941 | } |
24e1003a AJ |
12942 | ret = get_errno(mq_unlink(p)); |
12943 | unlock_user (p, arg1, 0); | |
72eb7ea8 | 12944 | return ret; |
24e1003a | 12945 | |
859e8a89 | 12946 | #ifdef TARGET_NR_mq_timedsend |
24e1003a AJ |
12947 | case TARGET_NR_mq_timedsend: |
12948 | { | |
12949 | struct timespec ts; | |
12950 | ||
12951 | p = lock_user (VERIFY_READ, arg2, arg3, 1); | |
12952 | if (arg5 != 0) { | |
dcbcf5cf FB |
12953 | if (target_to_host_timespec(&ts, arg5)) { |
12954 | return -TARGET_EFAULT; | |
12955 | } | |
d40ecd66 | 12956 | ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, &ts)); |
dcbcf5cf FB |
12957 | if (!is_error(ret) && host_to_target_timespec(arg5, &ts)) { |
12958 | return -TARGET_EFAULT; | |
12959 | } | |
d40ecd66 PM |
12960 | } else { |
12961 | ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, NULL)); | |
24e1003a | 12962 | } |
24e1003a AJ |
12963 | unlock_user (p, arg2, arg3); |
12964 | } | |
72eb7ea8 | 12965 | return ret; |
859e8a89 | 12966 | #endif |
d107e375 FB |
12967 | #ifdef TARGET_NR_mq_timedsend_time64 |
12968 | case TARGET_NR_mq_timedsend_time64: | |
12969 | { | |
12970 | struct timespec ts; | |
12971 | ||
12972 | p = lock_user(VERIFY_READ, arg2, arg3, 1); | |
12973 | if (arg5 != 0) { | |
12974 | if (target_to_host_timespec64(&ts, arg5)) { | |
12975 | return -TARGET_EFAULT; | |
12976 | } | |
12977 | ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, &ts)); | |
12978 | if (!is_error(ret) && host_to_target_timespec64(arg5, &ts)) { | |
12979 | return -TARGET_EFAULT; | |
12980 | } | |
12981 | } else { | |
12982 | ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, NULL)); | |
12983 | } | |
12984 | unlock_user(p, arg2, arg3); | |
12985 | } | |
12986 | return ret; | |
12987 | #endif | |
24e1003a | 12988 | |
859e8a89 | 12989 | #ifdef TARGET_NR_mq_timedreceive |
24e1003a AJ |
12990 | case TARGET_NR_mq_timedreceive: |
12991 | { | |
12992 | struct timespec ts; | |
12993 | unsigned int prio; | |
12994 | ||
12995 | p = lock_user (VERIFY_READ, arg2, arg3, 1); | |
12996 | if (arg5 != 0) { | |
dcbcf5cf FB |
12997 | if (target_to_host_timespec(&ts, arg5)) { |
12998 | return -TARGET_EFAULT; | |
12999 | } | |
d40ecd66 PM |
13000 | ret = get_errno(safe_mq_timedreceive(arg1, p, arg3, |
13001 | &prio, &ts)); | |
dcbcf5cf FB |
13002 | if (!is_error(ret) && host_to_target_timespec(arg5, &ts)) { |
13003 | return -TARGET_EFAULT; | |
13004 | } | |
d40ecd66 PM |
13005 | } else { |
13006 | ret = get_errno(safe_mq_timedreceive(arg1, p, arg3, | |
13007 | &prio, NULL)); | |
24e1003a | 13008 | } |
24e1003a AJ |
13009 | unlock_user (p, arg2, arg3); |
13010 | if (arg4 != 0) | |
13011 | put_user_u32(prio, arg4); | |
13012 | } | |
72eb7ea8 | 13013 | return ret; |
859e8a89 | 13014 | #endif |
d107e375 FB |
13015 | #ifdef TARGET_NR_mq_timedreceive_time64 |
13016 | case TARGET_NR_mq_timedreceive_time64: | |
13017 | { | |
13018 | struct timespec ts; | |
13019 | unsigned int prio; | |
13020 | ||
13021 | p = lock_user(VERIFY_READ, arg2, arg3, 1); | |
13022 | if (arg5 != 0) { | |
13023 | if (target_to_host_timespec64(&ts, arg5)) { | |
13024 | return -TARGET_EFAULT; | |
13025 | } | |
13026 | ret = get_errno(safe_mq_timedreceive(arg1, p, arg3, | |
13027 | &prio, &ts)); | |
13028 | if (!is_error(ret) && host_to_target_timespec64(arg5, &ts)) { | |
13029 | return -TARGET_EFAULT; | |
13030 | } | |
13031 | } else { | |
13032 | ret = get_errno(safe_mq_timedreceive(arg1, p, arg3, | |
13033 | &prio, NULL)); | |
13034 | } | |
13035 | unlock_user(p, arg2, arg3); | |
13036 | if (arg4 != 0) { | |
13037 | put_user_u32(prio, arg4); | |
13038 | } | |
13039 | } | |
13040 | return ret; | |
13041 | #endif | |
24e1003a AJ |
13042 | |
13043 | /* Not implemented for now... */ | |
13044 | /* case TARGET_NR_mq_notify: */ | |
13045 | /* break; */ | |
13046 | ||
13047 | case TARGET_NR_mq_getsetattr: | |
13048 | { | |
13049 | struct mq_attr posix_mq_attr_in, posix_mq_attr_out; | |
13050 | ret = 0; | |
24e1003a AJ |
13051 | if (arg2 != 0) { |
13052 | copy_from_user_mq_attr(&posix_mq_attr_in, arg2); | |
a23ea409 MF |
13053 | ret = get_errno(mq_setattr(arg1, &posix_mq_attr_in, |
13054 | &posix_mq_attr_out)); | |
13055 | } else if (arg3 != 0) { | |
13056 | ret = get_errno(mq_getattr(arg1, &posix_mq_attr_out)); | |
13057 | } | |
13058 | if (ret == 0 && arg3 != 0) { | |
13059 | copy_to_user_mq_attr(arg3, &posix_mq_attr_out); | |
24e1003a | 13060 | } |
24e1003a | 13061 | } |
72eb7ea8 | 13062 | return ret; |
24e1003a AJ |
13063 | #endif |
13064 | ||
3ce34dfb VS |
13065 | #ifdef CONFIG_SPLICE |
13066 | #ifdef TARGET_NR_tee | |
13067 | case TARGET_NR_tee: | |
13068 | { | |
13069 | ret = get_errno(tee(arg1,arg2,arg3,arg4)); | |
13070 | } | |
72eb7ea8 | 13071 | return ret; |
3ce34dfb VS |
13072 | #endif |
13073 | #ifdef TARGET_NR_splice | |
13074 | case TARGET_NR_splice: | |
13075 | { | |
13076 | loff_t loff_in, loff_out; | |
13077 | loff_t *ploff_in = NULL, *ploff_out = NULL; | |
17644b36 AS |
13078 | if (arg2) { |
13079 | if (get_user_u64(loff_in, arg2)) { | |
2852aafd | 13080 | return -TARGET_EFAULT; |
17644b36 | 13081 | } |
3ce34dfb VS |
13082 | ploff_in = &loff_in; |
13083 | } | |
17644b36 AS |
13084 | if (arg4) { |
13085 | if (get_user_u64(loff_out, arg4)) { | |
2852aafd | 13086 | return -TARGET_EFAULT; |
17644b36 | 13087 | } |
3ce34dfb VS |
13088 | ploff_out = &loff_out; |
13089 | } | |
13090 | ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6)); | |
17644b36 AS |
13091 | if (arg2) { |
13092 | if (put_user_u64(loff_in, arg2)) { | |
2852aafd | 13093 | return -TARGET_EFAULT; |
17644b36 AS |
13094 | } |
13095 | } | |
13096 | if (arg4) { | |
13097 | if (put_user_u64(loff_out, arg4)) { | |
2852aafd | 13098 | return -TARGET_EFAULT; |
17644b36 AS |
13099 | } |
13100 | } | |
3ce34dfb | 13101 | } |
72eb7ea8 | 13102 | return ret; |
3ce34dfb VS |
13103 | #endif |
13104 | #ifdef TARGET_NR_vmsplice | |
13105 | case TARGET_NR_vmsplice: | |
13106 | { | |
f287b2c2 RH |
13107 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); |
13108 | if (vec != NULL) { | |
13109 | ret = get_errno(vmsplice(arg1, vec, arg3, arg4)); | |
13110 | unlock_iovec(vec, arg2, arg3, 0); | |
13111 | } else { | |
13112 | ret = -host_to_target_errno(errno); | |
13113 | } | |
3ce34dfb | 13114 | } |
72eb7ea8 | 13115 | return ret; |
3ce34dfb VS |
13116 | #endif |
13117 | #endif /* CONFIG_SPLICE */ | |
c2882b96 RV |
13118 | #ifdef CONFIG_EVENTFD |
13119 | #if defined(TARGET_NR_eventfd) | |
13120 | case TARGET_NR_eventfd: | |
13121 | ret = get_errno(eventfd(arg1, 0)); | |
b929f7e5 PMD |
13122 | if (ret >= 0) { |
13123 | fd_trans_register(ret, &target_eventfd_trans); | |
13124 | } | |
72eb7ea8 | 13125 | return ret; |
c2882b96 RV |
13126 | #endif |
13127 | #if defined(TARGET_NR_eventfd2) | |
13128 | case TARGET_NR_eventfd2: | |
5947c697 | 13129 | { |
78721301 | 13130 | int host_flags = arg2 & (~(TARGET_O_NONBLOCK_MASK | TARGET_O_CLOEXEC)); |
5947c697 PJ |
13131 | if (arg2 & TARGET_O_NONBLOCK) { |
13132 | host_flags |= O_NONBLOCK; | |
13133 | } | |
13134 | if (arg2 & TARGET_O_CLOEXEC) { | |
13135 | host_flags |= O_CLOEXEC; | |
13136 | } | |
13137 | ret = get_errno(eventfd(arg1, host_flags)); | |
b929f7e5 PMD |
13138 | if (ret >= 0) { |
13139 | fd_trans_register(ret, &target_eventfd_trans); | |
13140 | } | |
72eb7ea8 | 13141 | return ret; |
5947c697 | 13142 | } |
c2882b96 RV |
13143 | #endif |
13144 | #endif /* CONFIG_EVENTFD */ | |
d0927938 UH |
13145 | #if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate) |
13146 | case TARGET_NR_fallocate: | |
eeed2291 | 13147 | #if TARGET_ABI_BITS == 32 && !defined(TARGET_ABI_MIPSN32) |
20249ae1 AG |
13148 | ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4), |
13149 | target_offset64(arg5, arg6))); | |
13150 | #else | |
d0927938 | 13151 | ret = get_errno(fallocate(arg1, arg2, arg3, arg4)); |
20249ae1 | 13152 | #endif |
72eb7ea8 | 13153 | return ret; |
c727f47d PM |
13154 | #endif |
13155 | #if defined(CONFIG_SYNC_FILE_RANGE) | |
13156 | #if defined(TARGET_NR_sync_file_range) | |
13157 | case TARGET_NR_sync_file_range: | |
eeed2291 | 13158 | #if TARGET_ABI_BITS == 32 && !defined(TARGET_ABI_MIPSN32) |
bfcedc57 RV |
13159 | #if defined(TARGET_MIPS) |
13160 | ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4), | |
13161 | target_offset64(arg5, arg6), arg7)); | |
13162 | #else | |
c727f47d PM |
13163 | ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3), |
13164 | target_offset64(arg4, arg5), arg6)); | |
bfcedc57 | 13165 | #endif /* !TARGET_MIPS */ |
c727f47d PM |
13166 | #else |
13167 | ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4)); | |
13168 | #endif | |
72eb7ea8 | 13169 | return ret; |
c727f47d | 13170 | #endif |
5bcb4986 LV |
13171 | #if defined(TARGET_NR_sync_file_range2) || \ |
13172 | defined(TARGET_NR_arm_sync_file_range) | |
c727f47d PM |
13173 | #if defined(TARGET_NR_sync_file_range2) |
13174 | case TARGET_NR_sync_file_range2: | |
5bcb4986 LV |
13175 | #endif |
13176 | #if defined(TARGET_NR_arm_sync_file_range) | |
13177 | case TARGET_NR_arm_sync_file_range: | |
13178 | #endif | |
c727f47d | 13179 | /* This is like sync_file_range but the arguments are reordered */ |
eeed2291 | 13180 | #if TARGET_ABI_BITS == 32 && !defined(TARGET_ABI_MIPSN32) |
c727f47d PM |
13181 | ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4), |
13182 | target_offset64(arg5, arg6), arg2)); | |
13183 | #else | |
13184 | ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2)); | |
13185 | #endif | |
72eb7ea8 | 13186 | return ret; |
c727f47d | 13187 | #endif |
3b6edd16 | 13188 | #endif |
e36800c9 LV |
13189 | #if defined(TARGET_NR_signalfd4) |
13190 | case TARGET_NR_signalfd4: | |
72eb7ea8 | 13191 | return do_signalfd4(arg1, arg2, arg4); |
e36800c9 LV |
13192 | #endif |
13193 | #if defined(TARGET_NR_signalfd) | |
13194 | case TARGET_NR_signalfd: | |
72eb7ea8 | 13195 | return do_signalfd4(arg1, arg2, 0); |
e36800c9 | 13196 | #endif |
3b6edd16 PM |
13197 | #if defined(CONFIG_EPOLL) |
13198 | #if defined(TARGET_NR_epoll_create) | |
13199 | case TARGET_NR_epoll_create: | |
72eb7ea8 | 13200 | return get_errno(epoll_create(arg1)); |
3b6edd16 PM |
13201 | #endif |
13202 | #if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1) | |
13203 | case TARGET_NR_epoll_create1: | |
386d3865 | 13204 | return get_errno(epoll_create1(target_to_host_bitmask(arg1, fcntl_flags_tbl))); |
3b6edd16 PM |
13205 | #endif |
13206 | #if defined(TARGET_NR_epoll_ctl) | |
13207 | case TARGET_NR_epoll_ctl: | |
13208 | { | |
13209 | struct epoll_event ep; | |
13210 | struct epoll_event *epp = 0; | |
13211 | if (arg4) { | |
c7811022 L |
13212 | if (arg2 != EPOLL_CTL_DEL) { |
13213 | struct target_epoll_event *target_ep; | |
13214 | if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) { | |
13215 | return -TARGET_EFAULT; | |
13216 | } | |
13217 | ep.events = tswap32(target_ep->events); | |
13218 | /* | |
13219 | * The epoll_data_t union is just opaque data to the kernel, | |
13220 | * so we transfer all 64 bits across and need not worry what | |
13221 | * actual data type it is. | |
13222 | */ | |
13223 | ep.data.u64 = tswap64(target_ep->data.u64); | |
13224 | unlock_user_struct(target_ep, arg4, 0); | |
3b6edd16 | 13225 | } |
c7811022 L |
13226 | /* |
13227 | * before kernel 2.6.9, EPOLL_CTL_DEL operation required a | |
13228 | * non-null pointer, even though this argument is ignored. | |
13229 | * | |
3b6edd16 | 13230 | */ |
3b6edd16 PM |
13231 | epp = &ep; |
13232 | } | |
72eb7ea8 | 13233 | return get_errno(epoll_ctl(arg1, arg2, arg3, epp)); |
3b6edd16 PM |
13234 | } |
13235 | #endif | |
13236 | ||
227f0214 | 13237 | #if defined(TARGET_NR_epoll_wait) || defined(TARGET_NR_epoll_pwait) |
3b6edd16 PM |
13238 | #if defined(TARGET_NR_epoll_wait) |
13239 | case TARGET_NR_epoll_wait: | |
13240 | #endif | |
227f0214 | 13241 | #if defined(TARGET_NR_epoll_pwait) |
3b6edd16 PM |
13242 | case TARGET_NR_epoll_pwait: |
13243 | #endif | |
13244 | { | |
13245 | struct target_epoll_event *target_ep; | |
13246 | struct epoll_event *ep; | |
13247 | int epfd = arg1; | |
13248 | int maxevents = arg3; | |
13249 | int timeout = arg4; | |
13250 | ||
2ba7fae3 | 13251 | if (maxevents <= 0 || maxevents > TARGET_EP_MAX_EVENTS) { |
72eb7ea8 | 13252 | return -TARGET_EINVAL; |
2ba7fae3 PM |
13253 | } |
13254 | ||
3b6edd16 PM |
13255 | target_ep = lock_user(VERIFY_WRITE, arg2, |
13256 | maxevents * sizeof(struct target_epoll_event), 1); | |
13257 | if (!target_ep) { | |
2852aafd | 13258 | return -TARGET_EFAULT; |
3b6edd16 PM |
13259 | } |
13260 | ||
04c95f4d PM |
13261 | ep = g_try_new(struct epoll_event, maxevents); |
13262 | if (!ep) { | |
13263 | unlock_user(target_ep, arg2, 0); | |
72eb7ea8 | 13264 | return -TARGET_ENOMEM; |
04c95f4d | 13265 | } |
3b6edd16 PM |
13266 | |
13267 | switch (num) { | |
227f0214 | 13268 | #if defined(TARGET_NR_epoll_pwait) |
3b6edd16 PM |
13269 | case TARGET_NR_epoll_pwait: |
13270 | { | |
cd0e31a4 | 13271 | sigset_t *set = NULL; |
3b6edd16 PM |
13272 | |
13273 | if (arg5) { | |
cd0e31a4 RH |
13274 | ret = process_sigsuspend_mask(&set, arg5, arg6); |
13275 | if (ret != 0) { | |
c815701e PM |
13276 | break; |
13277 | } | |
3b6edd16 PM |
13278 | } |
13279 | ||
227f0214 PM |
13280 | ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout, |
13281 | set, SIGSET_T_SIZE)); | |
cd0e31a4 RH |
13282 | |
13283 | if (set) { | |
13284 | finish_sigsuspend_mask(ret); | |
13285 | } | |
3b6edd16 PM |
13286 | break; |
13287 | } | |
13288 | #endif | |
13289 | #if defined(TARGET_NR_epoll_wait) | |
13290 | case TARGET_NR_epoll_wait: | |
227f0214 PM |
13291 | ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout, |
13292 | NULL, 0)); | |
3b6edd16 PM |
13293 | break; |
13294 | #endif | |
13295 | default: | |
13296 | ret = -TARGET_ENOSYS; | |
13297 | } | |
13298 | if (!is_error(ret)) { | |
13299 | int i; | |
13300 | for (i = 0; i < ret; i++) { | |
13301 | target_ep[i].events = tswap32(ep[i].events); | |
13302 | target_ep[i].data.u64 = tswap64(ep[i].data.u64); | |
13303 | } | |
04c95f4d PM |
13304 | unlock_user(target_ep, arg2, |
13305 | ret * sizeof(struct target_epoll_event)); | |
13306 | } else { | |
13307 | unlock_user(target_ep, arg2, 0); | |
3b6edd16 | 13308 | } |
04c95f4d | 13309 | g_free(ep); |
72eb7ea8 | 13310 | return ret; |
3b6edd16 PM |
13311 | } |
13312 | #endif | |
163a05a8 PM |
13313 | #endif |
13314 | #ifdef TARGET_NR_prlimit64 | |
13315 | case TARGET_NR_prlimit64: | |
13316 | { | |
13317 | /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */ | |
13318 | struct target_rlimit64 *target_rnew, *target_rold; | |
13319 | struct host_rlimit64 rnew, rold, *rnewp = 0; | |
95018018 | 13320 | int resource = target_to_host_resource(arg2); |
055d92f8 TK |
13321 | |
13322 | if (arg3 && (resource != RLIMIT_AS && | |
13323 | resource != RLIMIT_DATA && | |
13324 | resource != RLIMIT_STACK)) { | |
163a05a8 | 13325 | if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) { |
2852aafd | 13326 | return -TARGET_EFAULT; |
163a05a8 | 13327 | } |
9c1da8b5 IL |
13328 | __get_user(rnew.rlim_cur, &target_rnew->rlim_cur); |
13329 | __get_user(rnew.rlim_max, &target_rnew->rlim_max); | |
163a05a8 PM |
13330 | unlock_user_struct(target_rnew, arg3, 0); |
13331 | rnewp = &rnew; | |
13332 | } | |
13333 | ||
95018018 | 13334 | ret = get_errno(sys_prlimit64(arg1, resource, rnewp, arg4 ? &rold : 0)); |
163a05a8 PM |
13335 | if (!is_error(ret) && arg4) { |
13336 | if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) { | |
2852aafd | 13337 | return -TARGET_EFAULT; |
163a05a8 | 13338 | } |
9c1da8b5 IL |
13339 | __put_user(rold.rlim_cur, &target_rold->rlim_cur); |
13340 | __put_user(rold.rlim_max, &target_rold->rlim_max); | |
163a05a8 PM |
13341 | unlock_user_struct(target_rold, arg4, 1); |
13342 | } | |
72eb7ea8 | 13343 | return ret; |
163a05a8 | 13344 | } |
3d21d29c RH |
13345 | #endif |
13346 | #ifdef TARGET_NR_gethostname | |
13347 | case TARGET_NR_gethostname: | |
13348 | { | |
13349 | char *name = lock_user(VERIFY_WRITE, arg1, arg2, 0); | |
13350 | if (name) { | |
13351 | ret = get_errno(gethostname(name, arg2)); | |
13352 | unlock_user(name, arg1, arg2); | |
13353 | } else { | |
13354 | ret = -TARGET_EFAULT; | |
13355 | } | |
72eb7ea8 | 13356 | return ret; |
3d21d29c | 13357 | } |
89aaf1a6 RV |
13358 | #endif |
13359 | #ifdef TARGET_NR_atomic_cmpxchg_32 | |
13360 | case TARGET_NR_atomic_cmpxchg_32: | |
13361 | { | |
13362 | /* should use start_exclusive from main.c */ | |
13363 | abi_ulong mem_value; | |
13364 | if (get_user_u32(mem_value, arg6)) { | |
13365 | target_siginfo_t info; | |
13366 | info.si_signo = SIGSEGV; | |
13367 | info.si_errno = 0; | |
13368 | info.si_code = TARGET_SEGV_MAPERR; | |
13369 | info._sifields._sigfault._addr = arg6; | |
0effdc29 | 13370 | queue_signal(cpu_env, info.si_signo, QEMU_SI_FAULT, &info); |
89aaf1a6 RV |
13371 | ret = 0xdeadbeef; |
13372 | ||
13373 | } | |
13374 | if (mem_value == arg2) | |
13375 | put_user_u32(arg1, arg6); | |
72eb7ea8 | 13376 | return mem_value; |
89aaf1a6 RV |
13377 | } |
13378 | #endif | |
13379 | #ifdef TARGET_NR_atomic_barrier | |
13380 | case TARGET_NR_atomic_barrier: | |
72eb7ea8 RH |
13381 | /* Like the kernel implementation and the |
13382 | qemu arm barrier, no-op this? */ | |
13383 | return 0; | |
d0927938 | 13384 | #endif |
f4f1e10a ECL |
13385 | |
13386 | #ifdef TARGET_NR_timer_create | |
13387 | case TARGET_NR_timer_create: | |
13388 | { | |
13389 | /* args: clockid_t clockid, struct sigevent *sevp, timer_t *timerid */ | |
13390 | ||
13391 | struct sigevent host_sevp = { {0}, }, *phost_sevp = NULL; | |
f4f1e10a ECL |
13392 | |
13393 | int clkid = arg1; | |
13394 | int timer_index = next_free_host_timer(); | |
13395 | ||
13396 | if (timer_index < 0) { | |
13397 | ret = -TARGET_EAGAIN; | |
13398 | } else { | |
13399 | timer_t *phtimer = g_posix_timers + timer_index; | |
13400 | ||
13401 | if (arg2) { | |
f4f1e10a | 13402 | phost_sevp = &host_sevp; |
c065976f PM |
13403 | ret = target_to_host_sigevent(phost_sevp, arg2); |
13404 | if (ret != 0) { | |
9e59899f | 13405 | free_host_timer_slot(timer_index); |
72eb7ea8 | 13406 | return ret; |
c065976f | 13407 | } |
f4f1e10a ECL |
13408 | } |
13409 | ||
13410 | ret = get_errno(timer_create(clkid, phost_sevp, phtimer)); | |
13411 | if (ret) { | |
9e59899f | 13412 | free_host_timer_slot(timer_index); |
f4f1e10a | 13413 | } else { |
aecc8861 | 13414 | if (put_user(TIMER_MAGIC | timer_index, arg3, target_timer_t)) { |
9e59899f PM |
13415 | timer_delete(*phtimer); |
13416 | free_host_timer_slot(timer_index); | |
2852aafd | 13417 | return -TARGET_EFAULT; |
f4f1e10a | 13418 | } |
f4f1e10a ECL |
13419 | } |
13420 | } | |
72eb7ea8 | 13421 | return ret; |
f4f1e10a ECL |
13422 | } |
13423 | #endif | |
13424 | ||
13425 | #ifdef TARGET_NR_timer_settime | |
13426 | case TARGET_NR_timer_settime: | |
13427 | { | |
13428 | /* args: timer_t timerid, int flags, const struct itimerspec *new_value, | |
13429 | * struct itimerspec * old_value */ | |
aecc8861 | 13430 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 13431 | |
aecc8861 AG |
13432 | if (timerid < 0) { |
13433 | ret = timerid; | |
13434 | } else if (arg3 == 0) { | |
f4f1e10a ECL |
13435 | ret = -TARGET_EINVAL; |
13436 | } else { | |
e52a99f7 | 13437 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
13438 | struct itimerspec hspec_new = {{0},}, hspec_old = {{0},}; |
13439 | ||
40c80b5e | 13440 | if (target_to_host_itimerspec(&hspec_new, arg3)) { |
2852aafd | 13441 | return -TARGET_EFAULT; |
40c80b5e | 13442 | } |
f4f1e10a ECL |
13443 | ret = get_errno( |
13444 | timer_settime(htimer, arg2, &hspec_new, &hspec_old)); | |
40c80b5e | 13445 | if (arg4 && host_to_target_itimerspec(arg4, &hspec_old)) { |
2852aafd | 13446 | return -TARGET_EFAULT; |
40c80b5e | 13447 | } |
f4f1e10a | 13448 | } |
72eb7ea8 | 13449 | return ret; |
f4f1e10a ECL |
13450 | } |
13451 | #endif | |
13452 | ||
828cb3a1 FB |
13453 | #ifdef TARGET_NR_timer_settime64 |
13454 | case TARGET_NR_timer_settime64: | |
13455 | { | |
13456 | target_timer_t timerid = get_timer_id(arg1); | |
13457 | ||
13458 | if (timerid < 0) { | |
13459 | ret = timerid; | |
13460 | } else if (arg3 == 0) { | |
13461 | ret = -TARGET_EINVAL; | |
13462 | } else { | |
13463 | timer_t htimer = g_posix_timers[timerid]; | |
13464 | struct itimerspec hspec_new = {{0},}, hspec_old = {{0},}; | |
13465 | ||
13466 | if (target_to_host_itimerspec64(&hspec_new, arg3)) { | |
13467 | return -TARGET_EFAULT; | |
13468 | } | |
13469 | ret = get_errno( | |
13470 | timer_settime(htimer, arg2, &hspec_new, &hspec_old)); | |
13471 | if (arg4 && host_to_target_itimerspec64(arg4, &hspec_old)) { | |
13472 | return -TARGET_EFAULT; | |
13473 | } | |
13474 | } | |
13475 | return ret; | |
13476 | } | |
13477 | #endif | |
13478 | ||
f4f1e10a ECL |
13479 | #ifdef TARGET_NR_timer_gettime |
13480 | case TARGET_NR_timer_gettime: | |
13481 | { | |
13482 | /* args: timer_t timerid, struct itimerspec *curr_value */ | |
aecc8861 | 13483 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 13484 | |
aecc8861 AG |
13485 | if (timerid < 0) { |
13486 | ret = timerid; | |
13487 | } else if (!arg2) { | |
13488 | ret = -TARGET_EFAULT; | |
f4f1e10a | 13489 | } else { |
e52a99f7 | 13490 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
13491 | struct itimerspec hspec; |
13492 | ret = get_errno(timer_gettime(htimer, &hspec)); | |
13493 | ||
13494 | if (host_to_target_itimerspec(arg2, &hspec)) { | |
13495 | ret = -TARGET_EFAULT; | |
13496 | } | |
13497 | } | |
72eb7ea8 | 13498 | return ret; |
f4f1e10a ECL |
13499 | } |
13500 | #endif | |
13501 | ||
828cb3a1 FB |
13502 | #ifdef TARGET_NR_timer_gettime64 |
13503 | case TARGET_NR_timer_gettime64: | |
13504 | { | |
13505 | /* args: timer_t timerid, struct itimerspec64 *curr_value */ | |
13506 | target_timer_t timerid = get_timer_id(arg1); | |
13507 | ||
13508 | if (timerid < 0) { | |
13509 | ret = timerid; | |
13510 | } else if (!arg2) { | |
13511 | ret = -TARGET_EFAULT; | |
13512 | } else { | |
13513 | timer_t htimer = g_posix_timers[timerid]; | |
13514 | struct itimerspec hspec; | |
13515 | ret = get_errno(timer_gettime(htimer, &hspec)); | |
13516 | ||
13517 | if (host_to_target_itimerspec64(arg2, &hspec)) { | |
13518 | ret = -TARGET_EFAULT; | |
13519 | } | |
13520 | } | |
13521 | return ret; | |
13522 | } | |
13523 | #endif | |
13524 | ||
f4f1e10a ECL |
13525 | #ifdef TARGET_NR_timer_getoverrun |
13526 | case TARGET_NR_timer_getoverrun: | |
13527 | { | |
13528 | /* args: timer_t timerid */ | |
aecc8861 | 13529 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 13530 | |
aecc8861 AG |
13531 | if (timerid < 0) { |
13532 | ret = timerid; | |
f4f1e10a | 13533 | } else { |
e52a99f7 | 13534 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
13535 | ret = get_errno(timer_getoverrun(htimer)); |
13536 | } | |
72eb7ea8 | 13537 | return ret; |
f4f1e10a ECL |
13538 | } |
13539 | #endif | |
13540 | ||
13541 | #ifdef TARGET_NR_timer_delete | |
13542 | case TARGET_NR_timer_delete: | |
13543 | { | |
13544 | /* args: timer_t timerid */ | |
aecc8861 | 13545 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 13546 | |
aecc8861 AG |
13547 | if (timerid < 0) { |
13548 | ret = timerid; | |
f4f1e10a | 13549 | } else { |
e52a99f7 | 13550 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a | 13551 | ret = get_errno(timer_delete(htimer)); |
9e59899f | 13552 | free_host_timer_slot(timerid); |
f4f1e10a | 13553 | } |
72eb7ea8 | 13554 | return ret; |
f4f1e10a ECL |
13555 | } |
13556 | #endif | |
13557 | ||
51834341 RV |
13558 | #if defined(TARGET_NR_timerfd_create) && defined(CONFIG_TIMERFD) |
13559 | case TARGET_NR_timerfd_create: | |
d759a62b MM |
13560 | ret = get_errno(timerfd_create(arg1, |
13561 | target_to_host_bitmask(arg2, fcntl_flags_tbl))); | |
13562 | if (ret >= 0) { | |
13563 | fd_trans_register(ret, &target_timerfd_trans); | |
13564 | } | |
13565 | return ret; | |
51834341 RV |
13566 | #endif |
13567 | ||
13568 | #if defined(TARGET_NR_timerfd_gettime) && defined(CONFIG_TIMERFD) | |
13569 | case TARGET_NR_timerfd_gettime: | |
13570 | { | |
13571 | struct itimerspec its_curr; | |
13572 | ||
13573 | ret = get_errno(timerfd_gettime(arg1, &its_curr)); | |
13574 | ||
13575 | if (arg2 && host_to_target_itimerspec(arg2, &its_curr)) { | |
2852aafd | 13576 | return -TARGET_EFAULT; |
51834341 RV |
13577 | } |
13578 | } | |
72eb7ea8 | 13579 | return ret; |
51834341 RV |
13580 | #endif |
13581 | ||
828cb3a1 FB |
13582 | #if defined(TARGET_NR_timerfd_gettime64) && defined(CONFIG_TIMERFD) |
13583 | case TARGET_NR_timerfd_gettime64: | |
13584 | { | |
13585 | struct itimerspec its_curr; | |
13586 | ||
13587 | ret = get_errno(timerfd_gettime(arg1, &its_curr)); | |
13588 | ||
13589 | if (arg2 && host_to_target_itimerspec64(arg2, &its_curr)) { | |
13590 | return -TARGET_EFAULT; | |
13591 | } | |
13592 | } | |
13593 | return ret; | |
13594 | #endif | |
13595 | ||
51834341 RV |
13596 | #if defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD) |
13597 | case TARGET_NR_timerfd_settime: | |
13598 | { | |
13599 | struct itimerspec its_new, its_old, *p_new; | |
13600 | ||
13601 | if (arg3) { | |
13602 | if (target_to_host_itimerspec(&its_new, arg3)) { | |
2852aafd | 13603 | return -TARGET_EFAULT; |
51834341 RV |
13604 | } |
13605 | p_new = &its_new; | |
13606 | } else { | |
13607 | p_new = NULL; | |
13608 | } | |
13609 | ||
13610 | ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old)); | |
13611 | ||
13612 | if (arg4 && host_to_target_itimerspec(arg4, &its_old)) { | |
2852aafd | 13613 | return -TARGET_EFAULT; |
51834341 RV |
13614 | } |
13615 | } | |
72eb7ea8 | 13616 | return ret; |
51834341 RV |
13617 | #endif |
13618 | ||
828cb3a1 FB |
13619 | #if defined(TARGET_NR_timerfd_settime64) && defined(CONFIG_TIMERFD) |
13620 | case TARGET_NR_timerfd_settime64: | |
13621 | { | |
13622 | struct itimerspec its_new, its_old, *p_new; | |
13623 | ||
13624 | if (arg3) { | |
13625 | if (target_to_host_itimerspec64(&its_new, arg3)) { | |
13626 | return -TARGET_EFAULT; | |
13627 | } | |
13628 | p_new = &its_new; | |
13629 | } else { | |
13630 | p_new = NULL; | |
13631 | } | |
13632 | ||
13633 | ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old)); | |
13634 | ||
13635 | if (arg4 && host_to_target_itimerspec64(arg4, &its_old)) { | |
13636 | return -TARGET_EFAULT; | |
13637 | } | |
13638 | } | |
13639 | return ret; | |
13640 | #endif | |
13641 | ||
ab31cda3 PB |
13642 | #if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get) |
13643 | case TARGET_NR_ioprio_get: | |
72eb7ea8 | 13644 | return get_errno(ioprio_get(arg1, arg2)); |
ab31cda3 PB |
13645 | #endif |
13646 | ||
13647 | #if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set) | |
13648 | case TARGET_NR_ioprio_set: | |
72eb7ea8 | 13649 | return get_errno(ioprio_set(arg1, arg2, arg3)); |
ab31cda3 PB |
13650 | #endif |
13651 | ||
9af5c906 RV |
13652 | #if defined(TARGET_NR_setns) && defined(CONFIG_SETNS) |
13653 | case TARGET_NR_setns: | |
72eb7ea8 | 13654 | return get_errno(setns(arg1, arg2)); |
9af5c906 RV |
13655 | #endif |
13656 | #if defined(TARGET_NR_unshare) && defined(CONFIG_SETNS) | |
13657 | case TARGET_NR_unshare: | |
72eb7ea8 | 13658 | return get_errno(unshare(arg1)); |
9af5c906 | 13659 | #endif |
2f14788c LV |
13660 | #if defined(TARGET_NR_kcmp) && defined(__NR_kcmp) |
13661 | case TARGET_NR_kcmp: | |
72eb7ea8 | 13662 | return get_errno(kcmp(arg1, arg2, arg3, arg4, arg5)); |
2f14788c | 13663 | #endif |
fa97e38e RH |
13664 | #ifdef TARGET_NR_swapcontext |
13665 | case TARGET_NR_swapcontext: | |
13666 | /* PowerPC specific. */ | |
72eb7ea8 | 13667 | return do_swapcontext(cpu_env, arg1, arg2, arg3); |
fa97e38e | 13668 | #endif |
9bdfa4d2 SCW |
13669 | #ifdef TARGET_NR_memfd_create |
13670 | case TARGET_NR_memfd_create: | |
13671 | p = lock_user_string(arg1); | |
13672 | if (!p) { | |
13673 | return -TARGET_EFAULT; | |
13674 | } | |
13675 | ret = get_errno(memfd_create(p, arg2)); | |
13676 | fd_trans_unregister(ret); | |
13677 | unlock_user(p, arg1, 0); | |
13678 | return ret; | |
13679 | #endif | |
8500476f AS |
13680 | #if defined TARGET_NR_membarrier && defined __NR_membarrier |
13681 | case TARGET_NR_membarrier: | |
13682 | return get_errno(membarrier(arg1, arg2)); | |
13683 | #endif | |
9af5c906 | 13684 | |
84946457 AS |
13685 | #if defined(TARGET_NR_copy_file_range) && defined(__NR_copy_file_range) |
13686 | case TARGET_NR_copy_file_range: | |
13687 | { | |
13688 | loff_t inoff, outoff; | |
13689 | loff_t *pinoff = NULL, *poutoff = NULL; | |
13690 | ||
13691 | if (arg2) { | |
13692 | if (get_user_u64(inoff, arg2)) { | |
13693 | return -TARGET_EFAULT; | |
13694 | } | |
13695 | pinoff = &inoff; | |
13696 | } | |
13697 | if (arg4) { | |
13698 | if (get_user_u64(outoff, arg4)) { | |
13699 | return -TARGET_EFAULT; | |
13700 | } | |
13701 | poutoff = &outoff; | |
13702 | } | |
0fa259dd | 13703 | /* Do not sign-extend the count parameter. */ |
84946457 | 13704 | ret = get_errno(safe_copy_file_range(arg1, pinoff, arg3, poutoff, |
0fa259dd | 13705 | (abi_ulong)arg5, arg6)); |
84946457 AS |
13706 | if (!is_error(ret) && ret > 0) { |
13707 | if (arg2) { | |
13708 | if (put_user_u64(inoff, arg2)) { | |
13709 | return -TARGET_EFAULT; | |
13710 | } | |
13711 | } | |
13712 | if (arg4) { | |
13713 | if (put_user_u64(outoff, arg4)) { | |
13714 | return -TARGET_EFAULT; | |
13715 | } | |
13716 | } | |
13717 | } | |
13718 | } | |
13719 | return ret; | |
13720 | #endif | |
13721 | ||
e10fbe8f YT |
13722 | #if defined(TARGET_NR_pivot_root) |
13723 | case TARGET_NR_pivot_root: | |
13724 | { | |
13725 | void *p2; | |
13726 | p = lock_user_string(arg1); /* new_root */ | |
13727 | p2 = lock_user_string(arg2); /* put_old */ | |
13728 | if (!p || !p2) { | |
13729 | ret = -TARGET_EFAULT; | |
13730 | } else { | |
13731 | ret = get_errno(pivot_root(p, p2)); | |
13732 | } | |
13733 | unlock_user(p2, arg2, 0); | |
13734 | unlock_user(p, arg1, 0); | |
13735 | } | |
13736 | return ret; | |
13737 | #endif | |
13738 | ||
9e1c7d98 RE |
13739 | #if defined(TARGET_NR_riscv_hwprobe) |
13740 | case TARGET_NR_riscv_hwprobe: | |
13741 | return do_riscv_hwprobe(cpu_env, arg1, arg2, arg3, arg4, arg5); | |
13742 | #endif | |
13743 | ||
31e31b8a | 13744 | default: |
122f9c83 | 13745 | qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num); |
72eb7ea8 | 13746 | return -TARGET_ENOSYS; |
31e31b8a | 13747 | } |
31e31b8a FB |
13748 | return ret; |
13749 | } | |
dc1ce18b | 13750 | |
a0939b89 | 13751 | abi_long do_syscall(CPUArchState *cpu_env, int num, abi_long arg1, |
dc1ce18b RH |
13752 | abi_long arg2, abi_long arg3, abi_long arg4, |
13753 | abi_long arg5, abi_long arg6, abi_long arg7, | |
13754 | abi_long arg8) | |
13755 | { | |
29a0af61 | 13756 | CPUState *cpu = env_cpu(cpu_env); |
dc1ce18b RH |
13757 | abi_long ret; |
13758 | ||
13759 | #ifdef DEBUG_ERESTARTSYS | |
13760 | /* Debug-only code for exercising the syscall-restart code paths | |
13761 | * in the per-architecture cpu main loops: restart every syscall | |
13762 | * the guest makes once before letting it through. | |
13763 | */ | |
13764 | { | |
13765 | static bool flag; | |
13766 | flag = !flag; | |
13767 | if (flag) { | |
af254a27 | 13768 | return -QEMU_ERESTARTSYS; |
dc1ce18b RH |
13769 | } |
13770 | } | |
13771 | #endif | |
13772 | ||
c36f7a64 EC |
13773 | record_syscall_start(cpu, num, arg1, |
13774 | arg2, arg3, arg4, arg5, arg6, arg7, arg8); | |
dc1ce18b | 13775 | |
4b25a506 | 13776 | if (unlikely(qemu_loglevel_mask(LOG_STRACE))) { |
e400e119 | 13777 | print_syscall(cpu_env, num, arg1, arg2, arg3, arg4, arg5, arg6); |
4b25a506 JK |
13778 | } |
13779 | ||
13780 | ret = do_syscall1(cpu_env, num, arg1, arg2, arg3, arg4, | |
13781 | arg5, arg6, arg7, arg8); | |
13782 | ||
13783 | if (unlikely(qemu_loglevel_mask(LOG_STRACE))) { | |
e400e119 FB |
13784 | print_syscall_ret(cpu_env, num, ret, arg1, arg2, |
13785 | arg3, arg4, arg5, arg6); | |
dc1ce18b RH |
13786 | } |
13787 | ||
c36f7a64 | 13788 | record_syscall_return(cpu, num, ret); |
dc1ce18b RH |
13789 | return ret; |
13790 | } |