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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" | |
31e31b8a FB |
23 | #include <elf.h> |
24 | #include <endian.h> | |
c56dc774 | 25 | #include <grp.h> |
d08d3bb8 TS |
26 | #include <sys/ipc.h> |
27 | #include <sys/msg.h> | |
31e31b8a | 28 | #include <sys/wait.h> |
31e31b8a | 29 | #include <sys/mount.h> |
586b0bef JS |
30 | #include <sys/file.h> |
31 | #include <sys/fsuid.h> | |
32 | #include <sys/personality.h> | |
39b9aae1 | 33 | #include <sys/prctl.h> |
31e31b8a | 34 | #include <sys/resource.h> |
31e31b8a | 35 | #include <sys/swap.h> |
e0eb210e | 36 | #include <linux/capability.h> |
31e31b8a | 37 | #include <sched.h> |
19f59bce | 38 | #include <sys/timex.h> |
31e31b8a | 39 | #include <sys/socket.h> |
607175e0 | 40 | #include <sys/un.h> |
31e31b8a | 41 | #include <sys/uio.h> |
0839f11c | 42 | #include <poll.h> |
32f36bce | 43 | #include <sys/times.h> |
8853f86e | 44 | #include <sys/shm.h> |
fa294816 | 45 | #include <sys/sem.h> |
56c8f68f | 46 | #include <sys/statfs.h> |
ebc05488 | 47 | #include <utime.h> |
a5448a7d | 48 | #include <sys/sysinfo.h> |
e36800c9 | 49 | #include <sys/signalfd.h> |
72f03900 | 50 | //#include <sys/user.h> |
8853f86e | 51 | #include <netinet/ip.h> |
7854b056 | 52 | #include <netinet/tcp.h> |
86fcd946 | 53 | #include <linux/wireless.h> |
920394db | 54 | #include <linux/icmp.h> |
ee1ac3a1 HD |
55 | #include <linux/icmpv6.h> |
56 | #include <linux/errqueue.h> | |
d6d6d6fe | 57 | #include <linux/random.h> |
5a61cb60 | 58 | #include "qemu-common.h" |
d80a1905 RV |
59 | #ifdef CONFIG_TIMERFD |
60 | #include <sys/timerfd.h> | |
61 | #endif | |
9788c9ca | 62 | #ifdef TARGET_GPROF |
6d946cda AJ |
63 | #include <sys/gmon.h> |
64 | #endif | |
c2882b96 RV |
65 | #ifdef CONFIG_EVENTFD |
66 | #include <sys/eventfd.h> | |
67 | #endif | |
3b6edd16 PM |
68 | #ifdef CONFIG_EPOLL |
69 | #include <sys/epoll.h> | |
70 | #endif | |
a790ae38 | 71 | #ifdef CONFIG_ATTR |
1de7afc9 | 72 | #include "qemu/xattr.h" |
a790ae38 | 73 | #endif |
a8fd1aba PM |
74 | #ifdef CONFIG_SENDFILE |
75 | #include <sys/sendfile.h> | |
76 | #endif | |
31e31b8a FB |
77 | |
78 | #define termios host_termios | |
79 | #define winsize host_winsize | |
80 | #define termio host_termio | |
04369ff2 FB |
81 | #define sgttyb host_sgttyb /* same as target */ |
82 | #define tchars host_tchars /* same as target */ | |
83 | #define ltchars host_ltchars /* same as target */ | |
31e31b8a FB |
84 | |
85 | #include <linux/termios.h> | |
86 | #include <linux/unistd.h> | |
31e31b8a FB |
87 | #include <linux/cdrom.h> |
88 | #include <linux/hdreg.h> | |
89 | #include <linux/soundcard.h> | |
19b84f3c | 90 | #include <linux/kd.h> |
8fbd6b52 | 91 | #include <linux/mtio.h> |
350d1779 | 92 | #include <linux/fs.h> |
dace20dc | 93 | #if defined(CONFIG_FIEMAP) |
285da2b9 | 94 | #include <linux/fiemap.h> |
dace20dc | 95 | #endif |
f7680a55 UH |
96 | #include <linux/fb.h> |
97 | #include <linux/vt.h> | |
56e904ec | 98 | #include <linux/dm-ioctl.h> |
c07ecc68 | 99 | #include <linux/reboot.h> |
7ff7b666 | 100 | #include <linux/route.h> |
f57d4192 | 101 | #include <linux/filter.h> |
fff8c539 | 102 | #include <linux/blkpg.h> |
a82ea939 | 103 | #include <netpacket/packet.h> |
6c5b5645 | 104 | #include <linux/netlink.h> |
575b22b1 | 105 | #ifdef CONFIG_RTNETLINK |
6c5b5645 | 106 | #include <linux/rtnetlink.h> |
c5dff280 | 107 | #include <linux/if_bridge.h> |
575b22b1 | 108 | #endif |
5ce9bb59 | 109 | #include <linux/audit.h> |
d7e4036e | 110 | #include "linux_loop.h" |
18cb0088 | 111 | #include "uname.h" |
31e31b8a | 112 | |
3ef693a0 | 113 | #include "qemu.h" |
31e31b8a | 114 | |
5ea2fc84 PM |
115 | #ifndef CLONE_IO |
116 | #define CLONE_IO 0x80000000 /* Clone io context */ | |
117 | #endif | |
118 | ||
119 | /* We can't directly call the host clone syscall, because this will | |
120 | * badly confuse libc (breaking mutexes, for example). So we must | |
121 | * divide clone flags into: | |
122 | * * flag combinations that look like pthread_create() | |
123 | * * flag combinations that look like fork() | |
124 | * * flags we can implement within QEMU itself | |
125 | * * flags we can't support and will return an error for | |
126 | */ | |
127 | /* For thread creation, all these flags must be present; for | |
128 | * fork, none must be present. | |
129 | */ | |
130 | #define CLONE_THREAD_FLAGS \ | |
131 | (CLONE_VM | CLONE_FS | CLONE_FILES | \ | |
132 | CLONE_SIGHAND | CLONE_THREAD | CLONE_SYSVSEM) | |
133 | ||
134 | /* These flags are ignored: | |
135 | * CLONE_DETACHED is now ignored by the kernel; | |
136 | * CLONE_IO is just an optimisation hint to the I/O scheduler | |
137 | */ | |
138 | #define CLONE_IGNORED_FLAGS \ | |
139 | (CLONE_DETACHED | CLONE_IO) | |
140 | ||
141 | /* Flags for fork which we can implement within QEMU itself */ | |
142 | #define CLONE_OPTIONAL_FORK_FLAGS \ | |
143 | (CLONE_SETTLS | CLONE_PARENT_SETTID | \ | |
144 | CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID) | |
145 | ||
146 | /* Flags for thread creation which we can implement within QEMU itself */ | |
147 | #define CLONE_OPTIONAL_THREAD_FLAGS \ | |
148 | (CLONE_SETTLS | CLONE_PARENT_SETTID | \ | |
149 | CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID | CLONE_PARENT) | |
150 | ||
151 | #define CLONE_INVALID_FORK_FLAGS \ | |
152 | (~(CSIGNAL | CLONE_OPTIONAL_FORK_FLAGS | CLONE_IGNORED_FLAGS)) | |
153 | ||
154 | #define CLONE_INVALID_THREAD_FLAGS \ | |
155 | (~(CSIGNAL | CLONE_THREAD_FLAGS | CLONE_OPTIONAL_THREAD_FLAGS | \ | |
156 | CLONE_IGNORED_FLAGS)) | |
157 | ||
158 | /* CLONE_VFORK is special cased early in do_fork(). The other flag bits | |
159 | * have almost all been allocated. We cannot support any of | |
160 | * CLONE_NEWNS, CLONE_NEWCGROUP, CLONE_NEWUTS, CLONE_NEWIPC, | |
161 | * CLONE_NEWUSER, CLONE_NEWPID, CLONE_NEWNET, CLONE_PTRACE, CLONE_UNTRACED. | |
162 | * The checks against the invalid thread masks above will catch these. | |
163 | * (The one remaining unallocated bit is 0x1000 which used to be CLONE_PID.) | |
164 | */ | |
30813cea | 165 | |
71a8f7fe TB |
166 | /* Define DEBUG_ERESTARTSYS to force every syscall to be restarted |
167 | * once. This exercises the codepaths for restart. | |
168 | */ | |
169 | //#define DEBUG_ERESTARTSYS | |
31e31b8a | 170 | |
1a9353d2 | 171 | //#include <linux/msdos_fs.h> |
6556a833 AJ |
172 | #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2]) |
173 | #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2]) | |
1a9353d2 | 174 | |
70a194b9 FB |
175 | #undef _syscall0 |
176 | #undef _syscall1 | |
177 | #undef _syscall2 | |
178 | #undef _syscall3 | |
179 | #undef _syscall4 | |
180 | #undef _syscall5 | |
83fcb515 | 181 | #undef _syscall6 |
70a194b9 | 182 | |
83fcb515 | 183 | #define _syscall0(type,name) \ |
8fcd3692 | 184 | static type name (void) \ |
83fcb515 FB |
185 | { \ |
186 | return syscall(__NR_##name); \ | |
187 | } | |
70a194b9 | 188 | |
83fcb515 | 189 | #define _syscall1(type,name,type1,arg1) \ |
8fcd3692 | 190 | static type name (type1 arg1) \ |
83fcb515 FB |
191 | { \ |
192 | return syscall(__NR_##name, arg1); \ | |
70a194b9 FB |
193 | } |
194 | ||
83fcb515 | 195 | #define _syscall2(type,name,type1,arg1,type2,arg2) \ |
8fcd3692 | 196 | static type name (type1 arg1,type2 arg2) \ |
83fcb515 FB |
197 | { \ |
198 | return syscall(__NR_##name, arg1, arg2); \ | |
70a194b9 FB |
199 | } |
200 | ||
83fcb515 | 201 | #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ |
8fcd3692 | 202 | static type name (type1 arg1,type2 arg2,type3 arg3) \ |
83fcb515 FB |
203 | { \ |
204 | return syscall(__NR_##name, arg1, arg2, arg3); \ | |
70a194b9 FB |
205 | } |
206 | ||
83fcb515 | 207 | #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ |
8fcd3692 | 208 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \ |
83fcb515 FB |
209 | { \ |
210 | return syscall(__NR_##name, arg1, arg2, arg3, arg4); \ | |
70a194b9 FB |
211 | } |
212 | ||
83fcb515 FB |
213 | #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ |
214 | type5,arg5) \ | |
8fcd3692 | 215 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \ |
83fcb515 FB |
216 | { \ |
217 | return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \ | |
70a194b9 FB |
218 | } |
219 | ||
83fcb515 FB |
220 | |
221 | #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ | |
222 | type5,arg5,type6,arg6) \ | |
8fcd3692 BS |
223 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \ |
224 | type6 arg6) \ | |
83fcb515 FB |
225 | { \ |
226 | return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \ | |
70a194b9 | 227 | } |
83fcb515 | 228 | |
70a194b9 | 229 | |
31e31b8a | 230 | #define __NR_sys_uname __NR_uname |
72f03900 | 231 | #define __NR_sys_getcwd1 __NR_getcwd |
72f03900 | 232 | #define __NR_sys_getdents __NR_getdents |
dab2ed99 | 233 | #define __NR_sys_getdents64 __NR_getdents64 |
c6cda17a | 234 | #define __NR_sys_getpriority __NR_getpriority |
66fb9763 | 235 | #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo |
cf8b8bfc | 236 | #define __NR_sys_rt_tgsigqueueinfo __NR_rt_tgsigqueueinfo |
7494b0f9 | 237 | #define __NR_sys_syslog __NR_syslog |
bd0c5661 | 238 | #define __NR_sys_futex __NR_futex |
39b59763 AJ |
239 | #define __NR_sys_inotify_init __NR_inotify_init |
240 | #define __NR_sys_inotify_add_watch __NR_inotify_add_watch | |
241 | #define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch | |
31e31b8a | 242 | |
b1cef6d0 | 243 | #if defined(__alpha__) || defined(__x86_64__) || defined(__s390x__) |
9af9eaaa FB |
244 | #define __NR__llseek __NR_lseek |
245 | #endif | |
246 | ||
a29e5ba2 JH |
247 | /* Newer kernel ports have llseek() instead of _llseek() */ |
248 | #if defined(TARGET_NR_llseek) && !defined(TARGET_NR__llseek) | |
249 | #define TARGET_NR__llseek TARGET_NR_llseek | |
250 | #endif | |
251 | ||
72f03900 | 252 | #ifdef __NR_gettid |
31e31b8a | 253 | _syscall0(int, gettid) |
72f03900 | 254 | #else |
0da46a6e TS |
255 | /* This is a replacement for the host gettid() and must return a host |
256 | errno. */ | |
72f03900 FB |
257 | static int gettid(void) { |
258 | return -ENOSYS; | |
259 | } | |
260 | #endif | |
2b3f64cb PM |
261 | |
262 | /* For the 64-bit guest on 32-bit host case we must emulate | |
263 | * getdents using getdents64, because otherwise the host | |
264 | * might hand us back more dirent records than we can fit | |
265 | * into the guest buffer after structure format conversion. | |
266 | * Otherwise we emulate getdents with getdents if the host has it. | |
267 | */ | |
268 | #if defined(__NR_getdents) && HOST_LONG_BITS >= TARGET_ABI_BITS | |
269 | #define EMULATE_GETDENTS_WITH_GETDENTS | |
270 | #endif | |
271 | ||
272 | #if defined(TARGET_NR_getdents) && defined(EMULATE_GETDENTS_WITH_GETDENTS) | |
3b3f24ad | 273 | _syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count); |
3307e236 | 274 | #endif |
2b3f64cb PM |
275 | #if (defined(TARGET_NR_getdents) && \ |
276 | !defined(EMULATE_GETDENTS_WITH_GETDENTS)) || \ | |
3307e236 | 277 | (defined(TARGET_NR_getdents64) && defined(__NR_getdents64)) |
3b3f24ad AJ |
278 | _syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count); |
279 | #endif | |
d35b261c | 280 | #if defined(TARGET_NR__llseek) && defined(__NR_llseek) |
3b3f24ad AJ |
281 | _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, |
282 | loff_t *, res, uint, wh); | |
283 | #endif | |
c1a402a7 | 284 | _syscall3(int, sys_rt_sigqueueinfo, pid_t, pid, int, sig, siginfo_t *, uinfo) |
cf8b8bfc MS |
285 | _syscall4(int, sys_rt_tgsigqueueinfo, pid_t, pid, pid_t, tid, int, sig, |
286 | siginfo_t *, uinfo) | |
3b3f24ad | 287 | _syscall3(int,sys_syslog,int,type,char*,bufp,int,len) |
3b3f24ad AJ |
288 | #ifdef __NR_exit_group |
289 | _syscall1(int,exit_group,int,error_code) | |
290 | #endif | |
291 | #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) | |
292 | _syscall1(int,set_tid_address,int *,tidptr) | |
293 | #endif | |
3b3f24ad AJ |
294 | #if defined(TARGET_NR_futex) && defined(__NR_futex) |
295 | _syscall6(int,sys_futex,int *,uaddr,int,op,int,val, | |
296 | const struct timespec *,timeout,int *,uaddr2,int,val3) | |
297 | #endif | |
737de1d1 MF |
298 | #define __NR_sys_sched_getaffinity __NR_sched_getaffinity |
299 | _syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len, | |
300 | unsigned long *, user_mask_ptr); | |
301 | #define __NR_sys_sched_setaffinity __NR_sched_setaffinity | |
302 | _syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len, | |
303 | unsigned long *, user_mask_ptr); | |
b827c3ed ST |
304 | #define __NR_sys_getcpu __NR_getcpu |
305 | _syscall3(int, sys_getcpu, unsigned *, cpu, unsigned *, node, void *, tcache); | |
0f6b4d21 AG |
306 | _syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd, |
307 | void *, arg); | |
e0eb210e PM |
308 | _syscall2(int, capget, struct __user_cap_header_struct *, header, |
309 | struct __user_cap_data_struct *, data); | |
310 | _syscall2(int, capset, struct __user_cap_header_struct *, header, | |
311 | struct __user_cap_data_struct *, data); | |
ab31cda3 PB |
312 | #if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get) |
313 | _syscall2(int, ioprio_get, int, which, int, who) | |
314 | #endif | |
315 | #if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set) | |
316 | _syscall3(int, ioprio_set, int, which, int, who, int, ioprio) | |
317 | #endif | |
f894efd1 LV |
318 | #if defined(TARGET_NR_getrandom) && defined(__NR_getrandom) |
319 | _syscall3(int, getrandom, void *, buf, size_t, buflen, unsigned int, flags) | |
320 | #endif | |
3b3f24ad | 321 | |
2f14788c LV |
322 | #if defined(TARGET_NR_kcmp) && defined(__NR_kcmp) |
323 | _syscall5(int, kcmp, pid_t, pid1, pid_t, pid2, int, type, | |
324 | unsigned long, idx1, unsigned long, idx2) | |
325 | #endif | |
326 | ||
3b3f24ad AJ |
327 | static bitmask_transtbl fcntl_flags_tbl[] = { |
328 | { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, }, | |
329 | { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, }, | |
330 | { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, }, | |
331 | { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, }, | |
332 | { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, }, | |
333 | { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, }, | |
334 | { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, }, | |
335 | { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, }, | |
afc8763f | 336 | { TARGET_O_SYNC, TARGET_O_DSYNC, O_SYNC, O_DSYNC, }, |
3b3f24ad AJ |
337 | { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, }, |
338 | { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, }, | |
339 | { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, }, | |
340 | { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, }, | |
3b3f24ad AJ |
341 | #if defined(O_DIRECT) |
342 | { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, }, | |
afc8763f RH |
343 | #endif |
344 | #if defined(O_NOATIME) | |
345 | { TARGET_O_NOATIME, TARGET_O_NOATIME, O_NOATIME, O_NOATIME }, | |
346 | #endif | |
347 | #if defined(O_CLOEXEC) | |
348 | { TARGET_O_CLOEXEC, TARGET_O_CLOEXEC, O_CLOEXEC, O_CLOEXEC }, | |
349 | #endif | |
350 | #if defined(O_PATH) | |
351 | { TARGET_O_PATH, TARGET_O_PATH, O_PATH, O_PATH }, | |
5f9cee46 RV |
352 | #endif |
353 | #if defined(O_TMPFILE) | |
354 | { TARGET_O_TMPFILE, TARGET_O_TMPFILE, O_TMPFILE, O_TMPFILE }, | |
afc8763f RH |
355 | #endif |
356 | /* Don't terminate the list prematurely on 64-bit host+guest. */ | |
357 | #if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0 | |
358 | { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, }, | |
3b3f24ad AJ |
359 | #endif |
360 | { 0, 0, 0, 0 } | |
361 | }; | |
362 | ||
60c6b790 MP |
363 | enum { |
364 | QEMU_IFLA_BR_UNSPEC, | |
365 | QEMU_IFLA_BR_FORWARD_DELAY, | |
366 | QEMU_IFLA_BR_HELLO_TIME, | |
367 | QEMU_IFLA_BR_MAX_AGE, | |
368 | QEMU_IFLA_BR_AGEING_TIME, | |
369 | QEMU_IFLA_BR_STP_STATE, | |
370 | QEMU_IFLA_BR_PRIORITY, | |
371 | QEMU_IFLA_BR_VLAN_FILTERING, | |
372 | QEMU_IFLA_BR_VLAN_PROTOCOL, | |
373 | QEMU_IFLA_BR_GROUP_FWD_MASK, | |
374 | QEMU_IFLA_BR_ROOT_ID, | |
375 | QEMU_IFLA_BR_BRIDGE_ID, | |
376 | QEMU_IFLA_BR_ROOT_PORT, | |
377 | QEMU_IFLA_BR_ROOT_PATH_COST, | |
378 | QEMU_IFLA_BR_TOPOLOGY_CHANGE, | |
379 | QEMU_IFLA_BR_TOPOLOGY_CHANGE_DETECTED, | |
380 | QEMU_IFLA_BR_HELLO_TIMER, | |
381 | QEMU_IFLA_BR_TCN_TIMER, | |
382 | QEMU_IFLA_BR_TOPOLOGY_CHANGE_TIMER, | |
383 | QEMU_IFLA_BR_GC_TIMER, | |
384 | QEMU_IFLA_BR_GROUP_ADDR, | |
385 | QEMU_IFLA_BR_FDB_FLUSH, | |
386 | QEMU_IFLA_BR_MCAST_ROUTER, | |
387 | QEMU_IFLA_BR_MCAST_SNOOPING, | |
388 | QEMU_IFLA_BR_MCAST_QUERY_USE_IFADDR, | |
389 | QEMU_IFLA_BR_MCAST_QUERIER, | |
390 | QEMU_IFLA_BR_MCAST_HASH_ELASTICITY, | |
391 | QEMU_IFLA_BR_MCAST_HASH_MAX, | |
392 | QEMU_IFLA_BR_MCAST_LAST_MEMBER_CNT, | |
393 | QEMU_IFLA_BR_MCAST_STARTUP_QUERY_CNT, | |
394 | QEMU_IFLA_BR_MCAST_LAST_MEMBER_INTVL, | |
395 | QEMU_IFLA_BR_MCAST_MEMBERSHIP_INTVL, | |
396 | QEMU_IFLA_BR_MCAST_QUERIER_INTVL, | |
397 | QEMU_IFLA_BR_MCAST_QUERY_INTVL, | |
398 | QEMU_IFLA_BR_MCAST_QUERY_RESPONSE_INTVL, | |
399 | QEMU_IFLA_BR_MCAST_STARTUP_QUERY_INTVL, | |
400 | QEMU_IFLA_BR_NF_CALL_IPTABLES, | |
401 | QEMU_IFLA_BR_NF_CALL_IP6TABLES, | |
402 | QEMU_IFLA_BR_NF_CALL_ARPTABLES, | |
403 | QEMU_IFLA_BR_VLAN_DEFAULT_PVID, | |
404 | QEMU_IFLA_BR_PAD, | |
405 | QEMU_IFLA_BR_VLAN_STATS_ENABLED, | |
406 | QEMU_IFLA_BR_MCAST_STATS_ENABLED, | |
c1e703f5 LV |
407 | QEMU_IFLA_BR_MCAST_IGMP_VERSION, |
408 | QEMU_IFLA_BR_MCAST_MLD_VERSION, | |
60c6b790 MP |
409 | QEMU___IFLA_BR_MAX, |
410 | }; | |
411 | ||
412 | enum { | |
413 | QEMU_IFLA_UNSPEC, | |
414 | QEMU_IFLA_ADDRESS, | |
415 | QEMU_IFLA_BROADCAST, | |
416 | QEMU_IFLA_IFNAME, | |
417 | QEMU_IFLA_MTU, | |
418 | QEMU_IFLA_LINK, | |
419 | QEMU_IFLA_QDISC, | |
420 | QEMU_IFLA_STATS, | |
421 | QEMU_IFLA_COST, | |
422 | QEMU_IFLA_PRIORITY, | |
423 | QEMU_IFLA_MASTER, | |
424 | QEMU_IFLA_WIRELESS, | |
425 | QEMU_IFLA_PROTINFO, | |
426 | QEMU_IFLA_TXQLEN, | |
427 | QEMU_IFLA_MAP, | |
428 | QEMU_IFLA_WEIGHT, | |
429 | QEMU_IFLA_OPERSTATE, | |
430 | QEMU_IFLA_LINKMODE, | |
431 | QEMU_IFLA_LINKINFO, | |
432 | QEMU_IFLA_NET_NS_PID, | |
433 | QEMU_IFLA_IFALIAS, | |
434 | QEMU_IFLA_NUM_VF, | |
435 | QEMU_IFLA_VFINFO_LIST, | |
436 | QEMU_IFLA_STATS64, | |
437 | QEMU_IFLA_VF_PORTS, | |
438 | QEMU_IFLA_PORT_SELF, | |
439 | QEMU_IFLA_AF_SPEC, | |
440 | QEMU_IFLA_GROUP, | |
441 | QEMU_IFLA_NET_NS_FD, | |
442 | QEMU_IFLA_EXT_MASK, | |
443 | QEMU_IFLA_PROMISCUITY, | |
444 | QEMU_IFLA_NUM_TX_QUEUES, | |
445 | QEMU_IFLA_NUM_RX_QUEUES, | |
446 | QEMU_IFLA_CARRIER, | |
447 | QEMU_IFLA_PHYS_PORT_ID, | |
448 | QEMU_IFLA_CARRIER_CHANGES, | |
449 | QEMU_IFLA_PHYS_SWITCH_ID, | |
450 | QEMU_IFLA_LINK_NETNSID, | |
451 | QEMU_IFLA_PHYS_PORT_NAME, | |
452 | QEMU_IFLA_PROTO_DOWN, | |
453 | QEMU_IFLA_GSO_MAX_SEGS, | |
454 | QEMU_IFLA_GSO_MAX_SIZE, | |
455 | QEMU_IFLA_PAD, | |
456 | QEMU_IFLA_XDP, | |
c1e703f5 LV |
457 | QEMU_IFLA_EVENT, |
458 | QEMU_IFLA_NEW_NETNSID, | |
459 | QEMU_IFLA_IF_NETNSID, | |
460 | QEMU_IFLA_CARRIER_UP_COUNT, | |
461 | QEMU_IFLA_CARRIER_DOWN_COUNT, | |
462 | QEMU_IFLA_NEW_IFINDEX, | |
60c6b790 MP |
463 | QEMU___IFLA_MAX |
464 | }; | |
465 | ||
466 | enum { | |
467 | QEMU_IFLA_BRPORT_UNSPEC, | |
468 | QEMU_IFLA_BRPORT_STATE, | |
469 | QEMU_IFLA_BRPORT_PRIORITY, | |
470 | QEMU_IFLA_BRPORT_COST, | |
471 | QEMU_IFLA_BRPORT_MODE, | |
472 | QEMU_IFLA_BRPORT_GUARD, | |
473 | QEMU_IFLA_BRPORT_PROTECT, | |
474 | QEMU_IFLA_BRPORT_FAST_LEAVE, | |
475 | QEMU_IFLA_BRPORT_LEARNING, | |
476 | QEMU_IFLA_BRPORT_UNICAST_FLOOD, | |
477 | QEMU_IFLA_BRPORT_PROXYARP, | |
478 | QEMU_IFLA_BRPORT_LEARNING_SYNC, | |
479 | QEMU_IFLA_BRPORT_PROXYARP_WIFI, | |
480 | QEMU_IFLA_BRPORT_ROOT_ID, | |
481 | QEMU_IFLA_BRPORT_BRIDGE_ID, | |
482 | QEMU_IFLA_BRPORT_DESIGNATED_PORT, | |
483 | QEMU_IFLA_BRPORT_DESIGNATED_COST, | |
484 | QEMU_IFLA_BRPORT_ID, | |
485 | QEMU_IFLA_BRPORT_NO, | |
486 | QEMU_IFLA_BRPORT_TOPOLOGY_CHANGE_ACK, | |
487 | QEMU_IFLA_BRPORT_CONFIG_PENDING, | |
488 | QEMU_IFLA_BRPORT_MESSAGE_AGE_TIMER, | |
489 | QEMU_IFLA_BRPORT_FORWARD_DELAY_TIMER, | |
490 | QEMU_IFLA_BRPORT_HOLD_TIMER, | |
491 | QEMU_IFLA_BRPORT_FLUSH, | |
492 | QEMU_IFLA_BRPORT_MULTICAST_ROUTER, | |
493 | QEMU_IFLA_BRPORT_PAD, | |
c1e703f5 LV |
494 | QEMU_IFLA_BRPORT_MCAST_FLOOD, |
495 | QEMU_IFLA_BRPORT_MCAST_TO_UCAST, | |
496 | QEMU_IFLA_BRPORT_VLAN_TUNNEL, | |
497 | QEMU_IFLA_BRPORT_BCAST_FLOOD, | |
498 | QEMU_IFLA_BRPORT_GROUP_FWD_MASK, | |
499 | QEMU_IFLA_BRPORT_NEIGH_SUPPRESS, | |
60c6b790 MP |
500 | QEMU___IFLA_BRPORT_MAX |
501 | }; | |
502 | ||
70c61d4f LV |
503 | enum { |
504 | QEMU_IFLA_TUN_UNSPEC, | |
505 | QEMU_IFLA_TUN_OWNER, | |
506 | QEMU_IFLA_TUN_GROUP, | |
507 | QEMU_IFLA_TUN_TYPE, | |
508 | QEMU_IFLA_TUN_PI, | |
509 | QEMU_IFLA_TUN_VNET_HDR, | |
510 | QEMU_IFLA_TUN_PERSIST, | |
511 | QEMU_IFLA_TUN_MULTI_QUEUE, | |
512 | QEMU_IFLA_TUN_NUM_QUEUES, | |
513 | QEMU_IFLA_TUN_NUM_DISABLED_QUEUES, | |
514 | QEMU___IFLA_TUN_MAX, | |
515 | }; | |
516 | ||
60c6b790 MP |
517 | enum { |
518 | QEMU_IFLA_INFO_UNSPEC, | |
519 | QEMU_IFLA_INFO_KIND, | |
520 | QEMU_IFLA_INFO_DATA, | |
521 | QEMU_IFLA_INFO_XSTATS, | |
522 | QEMU_IFLA_INFO_SLAVE_KIND, | |
523 | QEMU_IFLA_INFO_SLAVE_DATA, | |
524 | QEMU___IFLA_INFO_MAX, | |
525 | }; | |
526 | ||
527 | enum { | |
528 | QEMU_IFLA_INET_UNSPEC, | |
529 | QEMU_IFLA_INET_CONF, | |
530 | QEMU___IFLA_INET_MAX, | |
531 | }; | |
532 | ||
533 | enum { | |
534 | QEMU_IFLA_INET6_UNSPEC, | |
535 | QEMU_IFLA_INET6_FLAGS, | |
536 | QEMU_IFLA_INET6_CONF, | |
537 | QEMU_IFLA_INET6_STATS, | |
538 | QEMU_IFLA_INET6_MCAST, | |
539 | QEMU_IFLA_INET6_CACHEINFO, | |
540 | QEMU_IFLA_INET6_ICMP6STATS, | |
541 | QEMU_IFLA_INET6_TOKEN, | |
542 | QEMU_IFLA_INET6_ADDR_GEN_MODE, | |
543 | QEMU___IFLA_INET6_MAX | |
544 | }; | |
545 | ||
c1e703f5 LV |
546 | enum { |
547 | QEMU_IFLA_XDP_UNSPEC, | |
548 | QEMU_IFLA_XDP_FD, | |
549 | QEMU_IFLA_XDP_ATTACHED, | |
550 | QEMU_IFLA_XDP_FLAGS, | |
551 | QEMU_IFLA_XDP_PROG_ID, | |
552 | QEMU___IFLA_XDP_MAX, | |
553 | }; | |
554 | ||
3c3ab559 LV |
555 | enum { |
556 | QEMU_RTA_UNSPEC, | |
557 | QEMU_RTA_DST, | |
558 | QEMU_RTA_SRC, | |
559 | QEMU_RTA_IIF, | |
560 | QEMU_RTA_OIF, | |
561 | QEMU_RTA_GATEWAY, | |
562 | QEMU_RTA_PRIORITY, | |
563 | QEMU_RTA_PREFSRC, | |
564 | QEMU_RTA_METRICS, | |
565 | QEMU_RTA_MULTIPATH, | |
566 | QEMU_RTA_PROTOINFO, /* no longer used */ | |
567 | QEMU_RTA_FLOW, | |
568 | QEMU_RTA_CACHEINFO, | |
569 | QEMU_RTA_SESSION, /* no longer used */ | |
570 | QEMU_RTA_MP_ALGO, /* no longer used */ | |
571 | QEMU_RTA_TABLE, | |
572 | QEMU_RTA_MARK, | |
573 | QEMU_RTA_MFC_STATS, | |
574 | QEMU_RTA_VIA, | |
575 | QEMU_RTA_NEWDST, | |
576 | QEMU_RTA_PREF, | |
577 | QEMU_RTA_ENCAP_TYPE, | |
578 | QEMU_RTA_ENCAP, | |
579 | QEMU_RTA_EXPIRES, | |
580 | QEMU_RTA_PAD, | |
581 | QEMU_RTA_UID, | |
582 | QEMU_RTA_TTL_PROPAGATE, | |
583 | QEMU_RTA_IP_PROTO, | |
584 | QEMU_RTA_SPORT, | |
585 | QEMU_RTA_DPORT, | |
586 | QEMU___RTA_MAX | |
587 | }; | |
588 | ||
5d4d3665 | 589 | typedef abi_long (*TargetFdDataFunc)(void *, size_t); |
7b36f782 | 590 | typedef abi_long (*TargetFdAddrFunc)(void *, abi_ulong, socklen_t); |
e36800c9 | 591 | typedef struct TargetFdTrans { |
5d4d3665 LV |
592 | TargetFdDataFunc host_to_target_data; |
593 | TargetFdDataFunc target_to_host_data; | |
7b36f782 | 594 | TargetFdAddrFunc target_to_host_addr; |
e36800c9 LV |
595 | } TargetFdTrans; |
596 | ||
597 | static TargetFdTrans **target_fd_trans; | |
598 | ||
599 | static unsigned int target_fd_max; | |
600 | ||
6c5b5645 LV |
601 | static TargetFdDataFunc fd_trans_target_to_host_data(int fd) |
602 | { | |
603 | if (fd >= 0 && fd < target_fd_max && target_fd_trans[fd]) { | |
604 | return target_fd_trans[fd]->target_to_host_data; | |
605 | } | |
606 | return NULL; | |
607 | } | |
608 | ||
5d4d3665 | 609 | static TargetFdDataFunc fd_trans_host_to_target_data(int fd) |
e36800c9 | 610 | { |
861d72cd | 611 | if (fd >= 0 && fd < target_fd_max && target_fd_trans[fd]) { |
5d4d3665 | 612 | return target_fd_trans[fd]->host_to_target_data; |
e36800c9 LV |
613 | } |
614 | return NULL; | |
615 | } | |
616 | ||
7b36f782 LV |
617 | static TargetFdAddrFunc fd_trans_target_to_host_addr(int fd) |
618 | { | |
861d72cd | 619 | if (fd >= 0 && fd < target_fd_max && target_fd_trans[fd]) { |
7b36f782 LV |
620 | return target_fd_trans[fd]->target_to_host_addr; |
621 | } | |
622 | return NULL; | |
623 | } | |
624 | ||
e36800c9 LV |
625 | static void fd_trans_register(int fd, TargetFdTrans *trans) |
626 | { | |
627 | unsigned int oldmax; | |
628 | ||
629 | if (fd >= target_fd_max) { | |
630 | oldmax = target_fd_max; | |
631 | target_fd_max = ((fd >> 6) + 1) << 6; /* by slice of 64 entries */ | |
5089c7ce LV |
632 | target_fd_trans = g_renew(TargetFdTrans *, |
633 | target_fd_trans, target_fd_max); | |
e36800c9 LV |
634 | memset((void *)(target_fd_trans + oldmax), 0, |
635 | (target_fd_max - oldmax) * sizeof(TargetFdTrans *)); | |
636 | } | |
637 | target_fd_trans[fd] = trans; | |
638 | } | |
639 | ||
640 | static void fd_trans_unregister(int fd) | |
641 | { | |
642 | if (fd >= 0 && fd < target_fd_max) { | |
643 | target_fd_trans[fd] = NULL; | |
644 | } | |
645 | } | |
646 | ||
647 | static void fd_trans_dup(int oldfd, int newfd) | |
648 | { | |
649 | fd_trans_unregister(newfd); | |
650 | if (oldfd < target_fd_max && target_fd_trans[oldfd]) { | |
651 | fd_trans_register(newfd, target_fd_trans[oldfd]); | |
652 | } | |
653 | } | |
654 | ||
3b3f24ad AJ |
655 | static int sys_getcwd1(char *buf, size_t size) |
656 | { | |
657 | if (getcwd(buf, size) == NULL) { | |
658 | /* getcwd() sets errno */ | |
659 | return (-1); | |
660 | } | |
aaf4ad39 | 661 | return strlen(buf)+1; |
3b3f24ad AJ |
662 | } |
663 | ||
1acae9f2 | 664 | #ifdef TARGET_NR_utimensat |
700fa58e | 665 | #if defined(__NR_utimensat) |
1acae9f2 | 666 | #define __NR_sys_utimensat __NR_utimensat |
9007f0ef TS |
667 | _syscall4(int,sys_utimensat,int,dirfd,const char *,pathname, |
668 | const struct timespec *,tsp,int,flags) | |
1acae9f2 PM |
669 | #else |
670 | static int sys_utimensat(int dirfd, const char *pathname, | |
671 | const struct timespec times[2], int flags) | |
672 | { | |
673 | errno = ENOSYS; | |
674 | return -1; | |
675 | } | |
9007f0ef | 676 | #endif |
1acae9f2 | 677 | #endif /* TARGET_NR_utimensat */ |
3b3f24ad | 678 | |
95d0307c AS |
679 | #ifdef TARGET_NR_renameat2 |
680 | #if defined(__NR_renameat2) | |
681 | #define __NR_sys_renameat2 __NR_renameat2 | |
682 | _syscall5(int, sys_renameat2, int, oldfd, const char *, old, int, newfd, | |
683 | const char *, new, unsigned int, flags) | |
684 | #else | |
685 | static int sys_renameat2(int oldfd, const char *old, | |
686 | int newfd, const char *new, int flags) | |
687 | { | |
688 | if (flags == 0) { | |
689 | return renameat(oldfd, old, newfd, new); | |
690 | } | |
691 | errno = ENOSYS; | |
692 | return -1; | |
693 | } | |
694 | #endif | |
695 | #endif /* TARGET_NR_renameat2 */ | |
696 | ||
3b3f24ad | 697 | #ifdef CONFIG_INOTIFY |
8690e420 | 698 | #include <sys/inotify.h> |
3b3f24ad | 699 | |
39b59763 | 700 | #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init) |
3b3f24ad AJ |
701 | static int sys_inotify_init(void) |
702 | { | |
703 | return (inotify_init()); | |
704 | } | |
39b59763 AJ |
705 | #endif |
706 | #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch) | |
3b3f24ad AJ |
707 | static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask) |
708 | { | |
709 | return (inotify_add_watch(fd, pathname, mask)); | |
710 | } | |
39b59763 AJ |
711 | #endif |
712 | #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch) | |
3b3f24ad AJ |
713 | static int sys_inotify_rm_watch(int fd, int32_t wd) |
714 | { | |
8690e420 | 715 | return (inotify_rm_watch(fd, wd)); |
3b3f24ad | 716 | } |
bd0c5661 | 717 | #endif |
c05c7a73 RV |
718 | #ifdef CONFIG_INOTIFY1 |
719 | #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1) | |
720 | static int sys_inotify_init1(int flags) | |
721 | { | |
722 | return (inotify_init1(flags)); | |
723 | } | |
724 | #endif | |
725 | #endif | |
3b3f24ad AJ |
726 | #else |
727 | /* Userspace can usually survive runtime without inotify */ | |
728 | #undef TARGET_NR_inotify_init | |
c05c7a73 | 729 | #undef TARGET_NR_inotify_init1 |
3b3f24ad AJ |
730 | #undef TARGET_NR_inotify_add_watch |
731 | #undef TARGET_NR_inotify_rm_watch | |
732 | #endif /* CONFIG_INOTIFY */ | |
733 | ||
163a05a8 PM |
734 | #if defined(TARGET_NR_prlimit64) |
735 | #ifndef __NR_prlimit64 | |
736 | # define __NR_prlimit64 -1 | |
737 | #endif | |
738 | #define __NR_sys_prlimit64 __NR_prlimit64 | |
739 | /* The glibc rlimit structure may not be that used by the underlying syscall */ | |
740 | struct host_rlimit64 { | |
741 | uint64_t rlim_cur; | |
742 | uint64_t rlim_max; | |
743 | }; | |
744 | _syscall4(int, sys_prlimit64, pid_t, pid, int, resource, | |
745 | const struct host_rlimit64 *, new_limit, | |
746 | struct host_rlimit64 *, old_limit) | |
747 | #endif | |
748 | ||
f4f1e10a ECL |
749 | |
750 | #if defined(TARGET_NR_timer_create) | |
751 | /* Maxiumum of 32 active POSIX timers allowed at any one time. */ | |
752 | static timer_t g_posix_timers[32] = { 0, } ; | |
753 | ||
754 | static inline int next_free_host_timer(void) | |
755 | { | |
756 | int k ; | |
757 | /* FIXME: Does finding the next free slot require a lock? */ | |
758 | for (k = 0; k < ARRAY_SIZE(g_posix_timers); k++) { | |
759 | if (g_posix_timers[k] == 0) { | |
760 | g_posix_timers[k] = (timer_t) 1; | |
761 | return k; | |
762 | } | |
763 | } | |
764 | return -1; | |
765 | } | |
766 | #endif | |
767 | ||
48e515d4 | 768 | /* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */ |
4a1def4e | 769 | #ifdef TARGET_ARM |
8bf8e9df JC |
770 | static inline int regpairs_aligned(void *cpu_env, int num) |
771 | { | |
48e515d4 RV |
772 | return ((((CPUARMState *)cpu_env)->eabi) == 1) ; |
773 | } | |
d7779acb | 774 | #elif defined(TARGET_MIPS) && (TARGET_ABI_BITS == 32) |
8bf8e9df | 775 | static inline int regpairs_aligned(void *cpu_env, int num) { return 1; } |
4a1def4e AG |
776 | #elif defined(TARGET_PPC) && !defined(TARGET_PPC64) |
777 | /* SysV AVI for PPC32 expects 64bit parameters to be passed on odd/even pairs | |
778 | * of registers which translates to the same as ARM/MIPS, because we start with | |
779 | * r3 as arg1 */ | |
8bf8e9df JC |
780 | static inline int regpairs_aligned(void *cpu_env, int num) { return 1; } |
781 | #elif defined(TARGET_SH4) | |
782 | /* SH4 doesn't align register pairs, except for p{read,write}64 */ | |
783 | static inline int regpairs_aligned(void *cpu_env, int num) | |
784 | { | |
785 | switch (num) { | |
786 | case TARGET_NR_pread64: | |
787 | case TARGET_NR_pwrite64: | |
788 | return 1; | |
789 | ||
790 | default: | |
791 | return 0; | |
792 | } | |
793 | } | |
ba7651fb MF |
794 | #elif defined(TARGET_XTENSA) |
795 | static inline int regpairs_aligned(void *cpu_env, int num) { return 1; } | |
48e515d4 | 796 | #else |
8bf8e9df | 797 | static inline int regpairs_aligned(void *cpu_env, int num) { return 0; } |
48e515d4 RV |
798 | #endif |
799 | ||
b92c47c1 TS |
800 | #define ERRNO_TABLE_SIZE 1200 |
801 | ||
802 | /* target_to_host_errno_table[] is initialized from | |
803 | * host_to_target_errno_table[] in syscall_init(). */ | |
804 | static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = { | |
805 | }; | |
806 | ||
637947f1 | 807 | /* |
fe8f096b | 808 | * This list is the union of errno values overridden in asm-<arch>/errno.h |
637947f1 TS |
809 | * minus the errnos that are not actually generic to all archs. |
810 | */ | |
b92c47c1 | 811 | static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = { |
08703b9f | 812 | [EAGAIN] = TARGET_EAGAIN, |
637947f1 TS |
813 | [EIDRM] = TARGET_EIDRM, |
814 | [ECHRNG] = TARGET_ECHRNG, | |
815 | [EL2NSYNC] = TARGET_EL2NSYNC, | |
816 | [EL3HLT] = TARGET_EL3HLT, | |
817 | [EL3RST] = TARGET_EL3RST, | |
818 | [ELNRNG] = TARGET_ELNRNG, | |
819 | [EUNATCH] = TARGET_EUNATCH, | |
820 | [ENOCSI] = TARGET_ENOCSI, | |
821 | [EL2HLT] = TARGET_EL2HLT, | |
822 | [EDEADLK] = TARGET_EDEADLK, | |
823 | [ENOLCK] = TARGET_ENOLCK, | |
824 | [EBADE] = TARGET_EBADE, | |
825 | [EBADR] = TARGET_EBADR, | |
826 | [EXFULL] = TARGET_EXFULL, | |
827 | [ENOANO] = TARGET_ENOANO, | |
828 | [EBADRQC] = TARGET_EBADRQC, | |
829 | [EBADSLT] = TARGET_EBADSLT, | |
830 | [EBFONT] = TARGET_EBFONT, | |
831 | [ENOSTR] = TARGET_ENOSTR, | |
832 | [ENODATA] = TARGET_ENODATA, | |
833 | [ETIME] = TARGET_ETIME, | |
834 | [ENOSR] = TARGET_ENOSR, | |
835 | [ENONET] = TARGET_ENONET, | |
836 | [ENOPKG] = TARGET_ENOPKG, | |
837 | [EREMOTE] = TARGET_EREMOTE, | |
838 | [ENOLINK] = TARGET_ENOLINK, | |
839 | [EADV] = TARGET_EADV, | |
840 | [ESRMNT] = TARGET_ESRMNT, | |
841 | [ECOMM] = TARGET_ECOMM, | |
842 | [EPROTO] = TARGET_EPROTO, | |
843 | [EDOTDOT] = TARGET_EDOTDOT, | |
844 | [EMULTIHOP] = TARGET_EMULTIHOP, | |
845 | [EBADMSG] = TARGET_EBADMSG, | |
846 | [ENAMETOOLONG] = TARGET_ENAMETOOLONG, | |
847 | [EOVERFLOW] = TARGET_EOVERFLOW, | |
848 | [ENOTUNIQ] = TARGET_ENOTUNIQ, | |
849 | [EBADFD] = TARGET_EBADFD, | |
850 | [EREMCHG] = TARGET_EREMCHG, | |
851 | [ELIBACC] = TARGET_ELIBACC, | |
852 | [ELIBBAD] = TARGET_ELIBBAD, | |
853 | [ELIBSCN] = TARGET_ELIBSCN, | |
854 | [ELIBMAX] = TARGET_ELIBMAX, | |
855 | [ELIBEXEC] = TARGET_ELIBEXEC, | |
856 | [EILSEQ] = TARGET_EILSEQ, | |
857 | [ENOSYS] = TARGET_ENOSYS, | |
858 | [ELOOP] = TARGET_ELOOP, | |
859 | [ERESTART] = TARGET_ERESTART, | |
860 | [ESTRPIPE] = TARGET_ESTRPIPE, | |
861 | [ENOTEMPTY] = TARGET_ENOTEMPTY, | |
862 | [EUSERS] = TARGET_EUSERS, | |
863 | [ENOTSOCK] = TARGET_ENOTSOCK, | |
864 | [EDESTADDRREQ] = TARGET_EDESTADDRREQ, | |
865 | [EMSGSIZE] = TARGET_EMSGSIZE, | |
866 | [EPROTOTYPE] = TARGET_EPROTOTYPE, | |
867 | [ENOPROTOOPT] = TARGET_ENOPROTOOPT, | |
868 | [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT, | |
869 | [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT, | |
870 | [EOPNOTSUPP] = TARGET_EOPNOTSUPP, | |
871 | [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT, | |
872 | [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT, | |
873 | [EADDRINUSE] = TARGET_EADDRINUSE, | |
874 | [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL, | |
875 | [ENETDOWN] = TARGET_ENETDOWN, | |
876 | [ENETUNREACH] = TARGET_ENETUNREACH, | |
877 | [ENETRESET] = TARGET_ENETRESET, | |
878 | [ECONNABORTED] = TARGET_ECONNABORTED, | |
879 | [ECONNRESET] = TARGET_ECONNRESET, | |
880 | [ENOBUFS] = TARGET_ENOBUFS, | |
881 | [EISCONN] = TARGET_EISCONN, | |
882 | [ENOTCONN] = TARGET_ENOTCONN, | |
883 | [EUCLEAN] = TARGET_EUCLEAN, | |
884 | [ENOTNAM] = TARGET_ENOTNAM, | |
885 | [ENAVAIL] = TARGET_ENAVAIL, | |
886 | [EISNAM] = TARGET_EISNAM, | |
887 | [EREMOTEIO] = TARGET_EREMOTEIO, | |
0444a3b7 | 888 | [EDQUOT] = TARGET_EDQUOT, |
637947f1 TS |
889 | [ESHUTDOWN] = TARGET_ESHUTDOWN, |
890 | [ETOOMANYREFS] = TARGET_ETOOMANYREFS, | |
891 | [ETIMEDOUT] = TARGET_ETIMEDOUT, | |
892 | [ECONNREFUSED] = TARGET_ECONNREFUSED, | |
893 | [EHOSTDOWN] = TARGET_EHOSTDOWN, | |
894 | [EHOSTUNREACH] = TARGET_EHOSTUNREACH, | |
895 | [EALREADY] = TARGET_EALREADY, | |
896 | [EINPROGRESS] = TARGET_EINPROGRESS, | |
897 | [ESTALE] = TARGET_ESTALE, | |
898 | [ECANCELED] = TARGET_ECANCELED, | |
899 | [ENOMEDIUM] = TARGET_ENOMEDIUM, | |
900 | [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE, | |
b7fe5db7 | 901 | #ifdef ENOKEY |
637947f1 | 902 | [ENOKEY] = TARGET_ENOKEY, |
b7fe5db7 TS |
903 | #endif |
904 | #ifdef EKEYEXPIRED | |
637947f1 | 905 | [EKEYEXPIRED] = TARGET_EKEYEXPIRED, |
b7fe5db7 TS |
906 | #endif |
907 | #ifdef EKEYREVOKED | |
637947f1 | 908 | [EKEYREVOKED] = TARGET_EKEYREVOKED, |
b7fe5db7 TS |
909 | #endif |
910 | #ifdef EKEYREJECTED | |
637947f1 | 911 | [EKEYREJECTED] = TARGET_EKEYREJECTED, |
b7fe5db7 TS |
912 | #endif |
913 | #ifdef EOWNERDEAD | |
637947f1 | 914 | [EOWNERDEAD] = TARGET_EOWNERDEAD, |
b7fe5db7 TS |
915 | #endif |
916 | #ifdef ENOTRECOVERABLE | |
637947f1 | 917 | [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE, |
b7fe5db7 | 918 | #endif |
da39db63 AM |
919 | #ifdef ENOMSG |
920 | [ENOMSG] = TARGET_ENOMSG, | |
921 | #endif | |
fe8ed7d5 RH |
922 | #ifdef ERKFILL |
923 | [ERFKILL] = TARGET_ERFKILL, | |
924 | #endif | |
925 | #ifdef EHWPOISON | |
926 | [EHWPOISON] = TARGET_EHWPOISON, | |
927 | #endif | |
b92c47c1 | 928 | }; |
637947f1 TS |
929 | |
930 | static inline int host_to_target_errno(int err) | |
931 | { | |
2466119c TB |
932 | if (err >= 0 && err < ERRNO_TABLE_SIZE && |
933 | host_to_target_errno_table[err]) { | |
637947f1 | 934 | return host_to_target_errno_table[err]; |
2466119c | 935 | } |
637947f1 TS |
936 | return err; |
937 | } | |
938 | ||
b92c47c1 TS |
939 | static inline int target_to_host_errno(int err) |
940 | { | |
2466119c TB |
941 | if (err >= 0 && err < ERRNO_TABLE_SIZE && |
942 | target_to_host_errno_table[err]) { | |
b92c47c1 | 943 | return target_to_host_errno_table[err]; |
2466119c | 944 | } |
b92c47c1 TS |
945 | return err; |
946 | } | |
947 | ||
992f48a0 | 948 | static inline abi_long get_errno(abi_long ret) |
31e31b8a FB |
949 | { |
950 | if (ret == -1) | |
637947f1 | 951 | return -host_to_target_errno(errno); |
31e31b8a FB |
952 | else |
953 | return ret; | |
954 | } | |
955 | ||
7dcdaeaf | 956 | const char *target_strerror(int err) |
b92c47c1 | 957 | { |
da2a34f7 PM |
958 | if (err == TARGET_ERESTARTSYS) { |
959 | return "To be restarted"; | |
960 | } | |
961 | if (err == TARGET_QEMU_ESIGRETURN) { | |
962 | return "Successful exit from sigreturn"; | |
963 | } | |
964 | ||
962b289e AG |
965 | if ((err >= ERRNO_TABLE_SIZE) || (err < 0)) { |
966 | return NULL; | |
967 | } | |
b92c47c1 TS |
968 | return strerror(target_to_host_errno(err)); |
969 | } | |
970 | ||
4d330cee TB |
971 | #define safe_syscall0(type, name) \ |
972 | static type safe_##name(void) \ | |
973 | { \ | |
974 | return safe_syscall(__NR_##name); \ | |
975 | } | |
976 | ||
977 | #define safe_syscall1(type, name, type1, arg1) \ | |
978 | static type safe_##name(type1 arg1) \ | |
979 | { \ | |
980 | return safe_syscall(__NR_##name, arg1); \ | |
981 | } | |
982 | ||
983 | #define safe_syscall2(type, name, type1, arg1, type2, arg2) \ | |
984 | static type safe_##name(type1 arg1, type2 arg2) \ | |
985 | { \ | |
986 | return safe_syscall(__NR_##name, arg1, arg2); \ | |
987 | } | |
988 | ||
989 | #define safe_syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \ | |
990 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3) \ | |
991 | { \ | |
992 | return safe_syscall(__NR_##name, arg1, arg2, arg3); \ | |
993 | } | |
994 | ||
995 | #define safe_syscall4(type, name, type1, arg1, type2, arg2, type3, arg3, \ | |
996 | type4, arg4) \ | |
997 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ | |
998 | { \ | |
999 | return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4); \ | |
1000 | } | |
1001 | ||
1002 | #define safe_syscall5(type, name, type1, arg1, type2, arg2, type3, arg3, \ | |
1003 | type4, arg4, type5, arg5) \ | |
1004 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ | |
1005 | type5 arg5) \ | |
1006 | { \ | |
1007 | return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \ | |
1008 | } | |
1009 | ||
1010 | #define safe_syscall6(type, name, type1, arg1, type2, arg2, type3, arg3, \ | |
1011 | type4, arg4, type5, arg5, type6, arg6) \ | |
1012 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ | |
1013 | type5 arg5, type6 arg6) \ | |
1014 | { \ | |
1015 | return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \ | |
1016 | } | |
1017 | ||
50afd02b TB |
1018 | safe_syscall3(ssize_t, read, int, fd, void *, buff, size_t, count) |
1019 | safe_syscall3(ssize_t, write, int, fd, const void *, buff, size_t, count) | |
c10a0738 TB |
1020 | safe_syscall4(int, openat, int, dirfd, const char *, pathname, \ |
1021 | int, flags, mode_t, mode) | |
4af80a37 TB |
1022 | safe_syscall4(pid_t, wait4, pid_t, pid, int *, status, int, options, \ |
1023 | struct rusage *, rusage) | |
1024 | safe_syscall5(int, waitid, idtype_t, idtype, id_t, id, siginfo_t *, infop, \ | |
1025 | int, options, struct rusage *, rusage) | |
ffdcbe22 | 1026 | safe_syscall3(int, execve, const char *, filename, char **, argv, char **, envp) |
6df9d38d PM |
1027 | safe_syscall6(int, pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds, \ |
1028 | fd_set *, exceptfds, struct timespec *, timeout, void *, sig) | |
a6130237 PM |
1029 | safe_syscall5(int, ppoll, struct pollfd *, ufds, unsigned int, nfds, |
1030 | struct timespec *, tsp, const sigset_t *, sigmask, | |
1031 | size_t, sigsetsize) | |
227f0214 PM |
1032 | safe_syscall6(int, epoll_pwait, int, epfd, struct epoll_event *, events, |
1033 | int, maxevents, int, timeout, const sigset_t *, sigmask, | |
1034 | size_t, sigsetsize) | |
d509eeb1 PM |
1035 | safe_syscall6(int,futex,int *,uaddr,int,op,int,val, \ |
1036 | const struct timespec *,timeout,int *,uaddr2,int,val3) | |
2fe4fba1 | 1037 | safe_syscall2(int, rt_sigsuspend, sigset_t *, newset, size_t, sigsetsize) |
bef653d9 PM |
1038 | safe_syscall2(int, kill, pid_t, pid, int, sig) |
1039 | safe_syscall2(int, tkill, int, tid, int, sig) | |
1040 | safe_syscall3(int, tgkill, int, tgid, int, pid, int, sig) | |
918c03ed PM |
1041 | safe_syscall3(ssize_t, readv, int, fd, const struct iovec *, iov, int, iovcnt) |
1042 | safe_syscall3(ssize_t, writev, int, fd, const struct iovec *, iov, int, iovcnt) | |
0f26386c DJ |
1043 | safe_syscall5(ssize_t, preadv, int, fd, const struct iovec *, iov, int, iovcnt, |
1044 | unsigned long, pos_l, unsigned long, pos_h) | |
f8d00fba DJ |
1045 | safe_syscall5(ssize_t, pwritev, int, fd, const struct iovec *, iov, int, iovcnt, |
1046 | unsigned long, pos_l, unsigned long, pos_h) | |
2a3c7619 PM |
1047 | safe_syscall3(int, connect, int, fd, const struct sockaddr *, addr, |
1048 | socklen_t, addrlen) | |
66687530 PM |
1049 | safe_syscall6(ssize_t, sendto, int, fd, const void *, buf, size_t, len, |
1050 | int, flags, const struct sockaddr *, addr, socklen_t, addrlen) | |
1051 | safe_syscall6(ssize_t, recvfrom, int, fd, void *, buf, size_t, len, | |
1052 | int, flags, struct sockaddr *, addr, socklen_t *, addrlen) | |
1053 | safe_syscall3(ssize_t, sendmsg, int, fd, const struct msghdr *, msg, int, flags) | |
1054 | safe_syscall3(ssize_t, recvmsg, int, fd, struct msghdr *, msg, int, flags) | |
2a845989 | 1055 | safe_syscall2(int, flock, int, fd, int, operation) |
b3f82330 PM |
1056 | safe_syscall4(int, rt_sigtimedwait, const sigset_t *, these, siginfo_t *, uinfo, |
1057 | const struct timespec *, uts, size_t, sigsetsize) | |
ff6dc130 PM |
1058 | safe_syscall4(int, accept4, int, fd, struct sockaddr *, addr, socklen_t *, len, |
1059 | int, flags) | |
9e518226 PM |
1060 | safe_syscall2(int, nanosleep, const struct timespec *, req, |
1061 | struct timespec *, rem) | |
1062 | #ifdef TARGET_NR_clock_nanosleep | |
1063 | safe_syscall4(int, clock_nanosleep, const clockid_t, clock, int, flags, | |
1064 | const struct timespec *, req, struct timespec *, rem) | |
1065 | #endif | |
89f9fe44 PM |
1066 | #ifdef __NR_msgsnd |
1067 | safe_syscall4(int, msgsnd, int, msgid, const void *, msgp, size_t, sz, | |
1068 | int, flags) | |
1069 | safe_syscall5(int, msgrcv, int, msgid, void *, msgp, size_t, sz, | |
1070 | long, msgtype, int, flags) | |
ffb7ee79 PM |
1071 | safe_syscall4(int, semtimedop, int, semid, struct sembuf *, tsops, |
1072 | unsigned, nsops, const struct timespec *, timeout) | |
89f9fe44 PM |
1073 | #else |
1074 | /* This host kernel architecture uses a single ipc syscall; fake up | |
1075 | * wrappers for the sub-operations to hide this implementation detail. | |
1076 | * Annoyingly we can't include linux/ipc.h to get the constant definitions | |
1077 | * for the call parameter because some structs in there conflict with the | |
1078 | * sys/ipc.h ones. So we just define them here, and rely on them being | |
1079 | * the same for all host architectures. | |
1080 | */ | |
ffb7ee79 | 1081 | #define Q_SEMTIMEDOP 4 |
89f9fe44 PM |
1082 | #define Q_MSGSND 11 |
1083 | #define Q_MSGRCV 12 | |
1084 | #define Q_IPCCALL(VERSION, OP) ((VERSION) << 16 | (OP)) | |
1085 | ||
1086 | safe_syscall6(int, ipc, int, call, long, first, long, second, long, third, | |
1087 | void *, ptr, long, fifth) | |
1088 | static int safe_msgsnd(int msgid, const void *msgp, size_t sz, int flags) | |
1089 | { | |
1090 | return safe_ipc(Q_IPCCALL(0, Q_MSGSND), msgid, sz, flags, (void *)msgp, 0); | |
1091 | } | |
1092 | static int safe_msgrcv(int msgid, void *msgp, size_t sz, long type, int flags) | |
1093 | { | |
1094 | return safe_ipc(Q_IPCCALL(1, Q_MSGRCV), msgid, sz, flags, msgp, type); | |
1095 | } | |
ffb7ee79 PM |
1096 | static int safe_semtimedop(int semid, struct sembuf *tsops, unsigned nsops, |
1097 | const struct timespec *timeout) | |
1098 | { | |
1099 | return safe_ipc(Q_IPCCALL(0, Q_SEMTIMEDOP), semid, nsops, 0, tsops, | |
1100 | (long)timeout); | |
1101 | } | |
89f9fe44 | 1102 | #endif |
d40ecd66 PM |
1103 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
1104 | safe_syscall5(int, mq_timedsend, int, mqdes, const char *, msg_ptr, | |
1105 | size_t, len, unsigned, prio, const struct timespec *, timeout) | |
1106 | safe_syscall5(int, mq_timedreceive, int, mqdes, char *, msg_ptr, | |
1107 | size_t, len, unsigned *, prio, const struct timespec *, timeout) | |
1108 | #endif | |
49ca6f3e PM |
1109 | /* We do ioctl like this rather than via safe_syscall3 to preserve the |
1110 | * "third argument might be integer or pointer or not present" behaviour of | |
1111 | * the libc function. | |
1112 | */ | |
1113 | #define safe_ioctl(...) safe_syscall(__NR_ioctl, __VA_ARGS__) | |
435da5e7 PM |
1114 | /* Similarly for fcntl. Note that callers must always: |
1115 | * pass the F_GETLK64 etc constants rather than the unsuffixed F_GETLK | |
1116 | * use the flock64 struct rather than unsuffixed flock | |
1117 | * This will then work and use a 64-bit offset for both 32-bit and 64-bit hosts. | |
1118 | */ | |
1119 | #ifdef __NR_fcntl64 | |
1120 | #define safe_fcntl(...) safe_syscall(__NR_fcntl64, __VA_ARGS__) | |
1121 | #else | |
1122 | #define safe_fcntl(...) safe_syscall(__NR_fcntl, __VA_ARGS__) | |
1123 | #endif | |
50afd02b | 1124 | |
8289d112 PB |
1125 | static inline int host_to_target_sock_type(int host_type) |
1126 | { | |
1127 | int target_type; | |
1128 | ||
1129 | switch (host_type & 0xf /* SOCK_TYPE_MASK */) { | |
1130 | case SOCK_DGRAM: | |
1131 | target_type = TARGET_SOCK_DGRAM; | |
1132 | break; | |
1133 | case SOCK_STREAM: | |
1134 | target_type = TARGET_SOCK_STREAM; | |
1135 | break; | |
1136 | default: | |
1137 | target_type = host_type & 0xf /* SOCK_TYPE_MASK */; | |
1138 | break; | |
1139 | } | |
1140 | ||
1141 | #if defined(SOCK_CLOEXEC) | |
1142 | if (host_type & SOCK_CLOEXEC) { | |
1143 | target_type |= TARGET_SOCK_CLOEXEC; | |
1144 | } | |
1145 | #endif | |
1146 | ||
1147 | #if defined(SOCK_NONBLOCK) | |
1148 | if (host_type & SOCK_NONBLOCK) { | |
1149 | target_type |= TARGET_SOCK_NONBLOCK; | |
1150 | } | |
1151 | #endif | |
1152 | ||
1153 | return target_type; | |
1154 | } | |
1155 | ||
992f48a0 BS |
1156 | static abi_ulong target_brk; |
1157 | static abi_ulong target_original_brk; | |
4d1de87c | 1158 | static abi_ulong brk_page; |
31e31b8a | 1159 | |
992f48a0 | 1160 | void target_set_brk(abi_ulong new_brk) |
31e31b8a | 1161 | { |
4c1de73d | 1162 | target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk); |
4d1de87c | 1163 | brk_page = HOST_PAGE_ALIGN(target_brk); |
31e31b8a FB |
1164 | } |
1165 | ||
4d1de87c CV |
1166 | //#define DEBUGF_BRK(message, args...) do { fprintf(stderr, (message), ## args); } while (0) |
1167 | #define DEBUGF_BRK(message, args...) | |
1168 | ||
0da46a6e | 1169 | /* do_brk() must return target values and target errnos. */ |
992f48a0 | 1170 | abi_long do_brk(abi_ulong new_brk) |
31e31b8a | 1171 | { |
992f48a0 | 1172 | abi_long mapped_addr; |
ef4330c2 | 1173 | abi_ulong new_alloc_size; |
31e31b8a | 1174 | |
3a0c6c4a | 1175 | DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx ") -> ", new_brk); |
4d1de87c CV |
1176 | |
1177 | if (!new_brk) { | |
3a0c6c4a | 1178 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (!new_brk)\n", target_brk); |
53a5960a | 1179 | return target_brk; |
4d1de87c CV |
1180 | } |
1181 | if (new_brk < target_original_brk) { | |
3a0c6c4a PB |
1182 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk < target_original_brk)\n", |
1183 | target_brk); | |
7ab240ad | 1184 | return target_brk; |
4d1de87c | 1185 | } |
3b46e624 | 1186 | |
4d1de87c CV |
1187 | /* If the new brk is less than the highest page reserved to the |
1188 | * target heap allocation, set it and we're almost done... */ | |
1189 | if (new_brk <= brk_page) { | |
1190 | /* Heap contents are initialized to zero, as for anonymous | |
1191 | * mapped pages. */ | |
1192 | if (new_brk > target_brk) { | |
1193 | memset(g2h(target_brk), 0, new_brk - target_brk); | |
1194 | } | |
31e31b8a | 1195 | target_brk = new_brk; |
3a0c6c4a | 1196 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk <= brk_page)\n", target_brk); |
53a5960a | 1197 | return target_brk; |
31e31b8a FB |
1198 | } |
1199 | ||
00faf08c PM |
1200 | /* We need to allocate more memory after the brk... Note that |
1201 | * we don't use MAP_FIXED because that will map over the top of | |
1202 | * any existing mapping (like the one with the host libc or qemu | |
1203 | * itself); instead we treat "mapped but at wrong address" as | |
1204 | * a failure and unmap again. | |
1205 | */ | |
4d1de87c | 1206 | new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page); |
5fafdf24 | 1207 | mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size, |
54936004 | 1208 | PROT_READ|PROT_WRITE, |
00faf08c PM |
1209 | MAP_ANON|MAP_PRIVATE, 0, 0)); |
1210 | ||
1211 | if (mapped_addr == brk_page) { | |
70afc343 CV |
1212 | /* Heap contents are initialized to zero, as for anonymous |
1213 | * mapped pages. Technically the new pages are already | |
1214 | * initialized to zero since they *are* anonymous mapped | |
1215 | * pages, however we have to take care with the contents that | |
1216 | * come from the remaining part of the previous page: it may | |
1217 | * contains garbage data due to a previous heap usage (grown | |
1218 | * then shrunken). */ | |
1219 | memset(g2h(target_brk), 0, brk_page - target_brk); | |
1220 | ||
00faf08c | 1221 | target_brk = new_brk; |
4d1de87c | 1222 | brk_page = HOST_PAGE_ALIGN(target_brk); |
3a0c6c4a PB |
1223 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr == brk_page)\n", |
1224 | target_brk); | |
00faf08c PM |
1225 | return target_brk; |
1226 | } else if (mapped_addr != -1) { | |
1227 | /* Mapped but at wrong address, meaning there wasn't actually | |
1228 | * enough space for this brk. | |
1229 | */ | |
1230 | target_munmap(mapped_addr, new_alloc_size); | |
1231 | mapped_addr = -1; | |
3a0c6c4a | 1232 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr != -1)\n", target_brk); |
4d1de87c CV |
1233 | } |
1234 | else { | |
3a0c6c4a | 1235 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (otherwise)\n", target_brk); |
00faf08c | 1236 | } |
7ab240ad | 1237 | |
7dd46c02 RH |
1238 | #if defined(TARGET_ALPHA) |
1239 | /* We (partially) emulate OSF/1 on Alpha, which requires we | |
1240 | return a proper errno, not an unchanged brk value. */ | |
00faf08c | 1241 | return -TARGET_ENOMEM; |
7dd46c02 | 1242 | #endif |
00faf08c | 1243 | /* For everything else, return the previous break. */ |
7ab240ad | 1244 | return target_brk; |
31e31b8a FB |
1245 | } |
1246 | ||
26edcf41 TS |
1247 | static inline abi_long copy_from_user_fdset(fd_set *fds, |
1248 | abi_ulong target_fds_addr, | |
1249 | int n) | |
31e31b8a | 1250 | { |
26edcf41 TS |
1251 | int i, nw, j, k; |
1252 | abi_ulong b, *target_fds; | |
1253 | ||
b1b2db29 | 1254 | nw = DIV_ROUND_UP(n, TARGET_ABI_BITS); |
26edcf41 TS |
1255 | if (!(target_fds = lock_user(VERIFY_READ, |
1256 | target_fds_addr, | |
1257 | sizeof(abi_ulong) * nw, | |
1258 | 1))) | |
1259 | return -TARGET_EFAULT; | |
1260 | ||
1261 | FD_ZERO(fds); | |
1262 | k = 0; | |
1263 | for (i = 0; i < nw; i++) { | |
1264 | /* grab the abi_ulong */ | |
1265 | __get_user(b, &target_fds[i]); | |
1266 | for (j = 0; j < TARGET_ABI_BITS; j++) { | |
1267 | /* check the bit inside the abi_ulong */ | |
1268 | if ((b >> j) & 1) | |
1269 | FD_SET(k, fds); | |
1270 | k++; | |
31e31b8a | 1271 | } |
31e31b8a | 1272 | } |
26edcf41 TS |
1273 | |
1274 | unlock_user(target_fds, target_fds_addr, 0); | |
1275 | ||
1276 | return 0; | |
31e31b8a FB |
1277 | } |
1278 | ||
055e0906 MF |
1279 | static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr, |
1280 | abi_ulong target_fds_addr, | |
1281 | int n) | |
1282 | { | |
1283 | if (target_fds_addr) { | |
1284 | if (copy_from_user_fdset(fds, target_fds_addr, n)) | |
1285 | return -TARGET_EFAULT; | |
1286 | *fds_ptr = fds; | |
1287 | } else { | |
1288 | *fds_ptr = NULL; | |
1289 | } | |
1290 | return 0; | |
1291 | } | |
1292 | ||
26edcf41 TS |
1293 | static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr, |
1294 | const fd_set *fds, | |
1295 | int n) | |
31e31b8a | 1296 | { |
31e31b8a | 1297 | int i, nw, j, k; |
992f48a0 | 1298 | abi_long v; |
26edcf41 | 1299 | abi_ulong *target_fds; |
31e31b8a | 1300 | |
b1b2db29 | 1301 | nw = DIV_ROUND_UP(n, TARGET_ABI_BITS); |
26edcf41 TS |
1302 | if (!(target_fds = lock_user(VERIFY_WRITE, |
1303 | target_fds_addr, | |
1304 | sizeof(abi_ulong) * nw, | |
1305 | 0))) | |
1306 | return -TARGET_EFAULT; | |
1307 | ||
1308 | k = 0; | |
1309 | for (i = 0; i < nw; i++) { | |
1310 | v = 0; | |
1311 | for (j = 0; j < TARGET_ABI_BITS; j++) { | |
9ab709be | 1312 | v |= ((abi_ulong)(FD_ISSET(k, fds) != 0) << j); |
26edcf41 | 1313 | k++; |
31e31b8a | 1314 | } |
26edcf41 | 1315 | __put_user(v, &target_fds[i]); |
31e31b8a | 1316 | } |
26edcf41 TS |
1317 | |
1318 | unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw); | |
1319 | ||
1320 | return 0; | |
31e31b8a FB |
1321 | } |
1322 | ||
c596ed17 FB |
1323 | #if defined(__alpha__) |
1324 | #define HOST_HZ 1024 | |
1325 | #else | |
1326 | #define HOST_HZ 100 | |
1327 | #endif | |
1328 | ||
992f48a0 | 1329 | static inline abi_long host_to_target_clock_t(long ticks) |
c596ed17 FB |
1330 | { |
1331 | #if HOST_HZ == TARGET_HZ | |
1332 | return ticks; | |
1333 | #else | |
1334 | return ((int64_t)ticks * TARGET_HZ) / HOST_HZ; | |
1335 | #endif | |
1336 | } | |
1337 | ||
579a97f7 FB |
1338 | static inline abi_long host_to_target_rusage(abi_ulong target_addr, |
1339 | const struct rusage *rusage) | |
b409186b | 1340 | { |
53a5960a PB |
1341 | struct target_rusage *target_rusage; |
1342 | ||
579a97f7 FB |
1343 | if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0)) |
1344 | return -TARGET_EFAULT; | |
cbb21eed MB |
1345 | target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec); |
1346 | target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec); | |
1347 | target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec); | |
1348 | target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec); | |
1349 | target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss); | |
1350 | target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss); | |
1351 | target_rusage->ru_idrss = tswapal(rusage->ru_idrss); | |
1352 | target_rusage->ru_isrss = tswapal(rusage->ru_isrss); | |
1353 | target_rusage->ru_minflt = tswapal(rusage->ru_minflt); | |
1354 | target_rusage->ru_majflt = tswapal(rusage->ru_majflt); | |
1355 | target_rusage->ru_nswap = tswapal(rusage->ru_nswap); | |
1356 | target_rusage->ru_inblock = tswapal(rusage->ru_inblock); | |
1357 | target_rusage->ru_oublock = tswapal(rusage->ru_oublock); | |
1358 | target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd); | |
1359 | target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv); | |
1360 | target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals); | |
1361 | target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw); | |
1362 | target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw); | |
53a5960a | 1363 | unlock_user_struct(target_rusage, target_addr, 1); |
579a97f7 FB |
1364 | |
1365 | return 0; | |
b409186b FB |
1366 | } |
1367 | ||
cbb21eed | 1368 | static inline rlim_t target_to_host_rlim(abi_ulong target_rlim) |
81bbe906 | 1369 | { |
cbb21eed | 1370 | abi_ulong target_rlim_swap; |
95b33b2f WT |
1371 | rlim_t result; |
1372 | ||
cbb21eed MB |
1373 | target_rlim_swap = tswapal(target_rlim); |
1374 | if (target_rlim_swap == TARGET_RLIM_INFINITY) | |
1375 | return RLIM_INFINITY; | |
1376 | ||
1377 | result = target_rlim_swap; | |
1378 | if (target_rlim_swap != (rlim_t)result) | |
1379 | return RLIM_INFINITY; | |
95b33b2f WT |
1380 | |
1381 | return result; | |
81bbe906 TY |
1382 | } |
1383 | ||
cbb21eed | 1384 | static inline abi_ulong host_to_target_rlim(rlim_t rlim) |
81bbe906 | 1385 | { |
cbb21eed MB |
1386 | abi_ulong target_rlim_swap; |
1387 | abi_ulong result; | |
95b33b2f | 1388 | |
cbb21eed | 1389 | if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim) |
95b33b2f | 1390 | target_rlim_swap = TARGET_RLIM_INFINITY; |
81bbe906 | 1391 | else |
95b33b2f | 1392 | target_rlim_swap = rlim; |
cbb21eed | 1393 | result = tswapal(target_rlim_swap); |
95b33b2f WT |
1394 | |
1395 | return result; | |
81bbe906 TY |
1396 | } |
1397 | ||
e22b7015 WT |
1398 | static inline int target_to_host_resource(int code) |
1399 | { | |
1400 | switch (code) { | |
1401 | case TARGET_RLIMIT_AS: | |
1402 | return RLIMIT_AS; | |
1403 | case TARGET_RLIMIT_CORE: | |
1404 | return RLIMIT_CORE; | |
1405 | case TARGET_RLIMIT_CPU: | |
1406 | return RLIMIT_CPU; | |
1407 | case TARGET_RLIMIT_DATA: | |
1408 | return RLIMIT_DATA; | |
1409 | case TARGET_RLIMIT_FSIZE: | |
1410 | return RLIMIT_FSIZE; | |
1411 | case TARGET_RLIMIT_LOCKS: | |
1412 | return RLIMIT_LOCKS; | |
1413 | case TARGET_RLIMIT_MEMLOCK: | |
1414 | return RLIMIT_MEMLOCK; | |
1415 | case TARGET_RLIMIT_MSGQUEUE: | |
1416 | return RLIMIT_MSGQUEUE; | |
1417 | case TARGET_RLIMIT_NICE: | |
1418 | return RLIMIT_NICE; | |
1419 | case TARGET_RLIMIT_NOFILE: | |
1420 | return RLIMIT_NOFILE; | |
1421 | case TARGET_RLIMIT_NPROC: | |
1422 | return RLIMIT_NPROC; | |
1423 | case TARGET_RLIMIT_RSS: | |
1424 | return RLIMIT_RSS; | |
1425 | case TARGET_RLIMIT_RTPRIO: | |
1426 | return RLIMIT_RTPRIO; | |
1427 | case TARGET_RLIMIT_SIGPENDING: | |
1428 | return RLIMIT_SIGPENDING; | |
1429 | case TARGET_RLIMIT_STACK: | |
1430 | return RLIMIT_STACK; | |
1431 | default: | |
1432 | return code; | |
1433 | } | |
1434 | } | |
1435 | ||
788f5ec4 TS |
1436 | static inline abi_long copy_from_user_timeval(struct timeval *tv, |
1437 | abi_ulong target_tv_addr) | |
31e31b8a | 1438 | { |
53a5960a PB |
1439 | struct target_timeval *target_tv; |
1440 | ||
788f5ec4 | 1441 | if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1)) |
579a97f7 | 1442 | return -TARGET_EFAULT; |
788f5ec4 TS |
1443 | |
1444 | __get_user(tv->tv_sec, &target_tv->tv_sec); | |
1445 | __get_user(tv->tv_usec, &target_tv->tv_usec); | |
1446 | ||
1447 | unlock_user_struct(target_tv, target_tv_addr, 0); | |
579a97f7 FB |
1448 | |
1449 | return 0; | |
31e31b8a FB |
1450 | } |
1451 | ||
788f5ec4 TS |
1452 | static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr, |
1453 | const struct timeval *tv) | |
31e31b8a | 1454 | { |
53a5960a PB |
1455 | struct target_timeval *target_tv; |
1456 | ||
788f5ec4 | 1457 | if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) |
579a97f7 | 1458 | return -TARGET_EFAULT; |
788f5ec4 TS |
1459 | |
1460 | __put_user(tv->tv_sec, &target_tv->tv_sec); | |
1461 | __put_user(tv->tv_usec, &target_tv->tv_usec); | |
1462 | ||
1463 | unlock_user_struct(target_tv, target_tv_addr, 1); | |
579a97f7 FB |
1464 | |
1465 | return 0; | |
31e31b8a FB |
1466 | } |
1467 | ||
ef4467e9 PB |
1468 | static inline abi_long copy_from_user_timezone(struct timezone *tz, |
1469 | abi_ulong target_tz_addr) | |
1470 | { | |
1471 | struct target_timezone *target_tz; | |
1472 | ||
1473 | if (!lock_user_struct(VERIFY_READ, target_tz, target_tz_addr, 1)) { | |
1474 | return -TARGET_EFAULT; | |
1475 | } | |
1476 | ||
1477 | __get_user(tz->tz_minuteswest, &target_tz->tz_minuteswest); | |
1478 | __get_user(tz->tz_dsttime, &target_tz->tz_dsttime); | |
1479 | ||
1480 | unlock_user_struct(target_tz, target_tz_addr, 0); | |
1481 | ||
1482 | return 0; | |
1483 | } | |
1484 | ||
8ec9cf89 NF |
1485 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
1486 | #include <mqueue.h> | |
1487 | ||
24e1003a AJ |
1488 | static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr, |
1489 | abi_ulong target_mq_attr_addr) | |
1490 | { | |
1491 | struct target_mq_attr *target_mq_attr; | |
1492 | ||
1493 | if (!lock_user_struct(VERIFY_READ, target_mq_attr, | |
1494 | target_mq_attr_addr, 1)) | |
1495 | return -TARGET_EFAULT; | |
1496 | ||
1497 | __get_user(attr->mq_flags, &target_mq_attr->mq_flags); | |
1498 | __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); | |
1499 | __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); | |
1500 | __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); | |
1501 | ||
1502 | unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0); | |
1503 | ||
1504 | return 0; | |
1505 | } | |
1506 | ||
1507 | static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr, | |
1508 | const struct mq_attr *attr) | |
1509 | { | |
1510 | struct target_mq_attr *target_mq_attr; | |
1511 | ||
1512 | if (!lock_user_struct(VERIFY_WRITE, target_mq_attr, | |
1513 | target_mq_attr_addr, 0)) | |
1514 | return -TARGET_EFAULT; | |
1515 | ||
1516 | __put_user(attr->mq_flags, &target_mq_attr->mq_flags); | |
1517 | __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); | |
1518 | __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); | |
1519 | __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); | |
1520 | ||
1521 | unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1); | |
1522 | ||
1523 | return 0; | |
1524 | } | |
8ec9cf89 | 1525 | #endif |
31e31b8a | 1526 | |
055e0906 | 1527 | #if defined(TARGET_NR_select) || defined(TARGET_NR__newselect) |
0da46a6e | 1528 | /* do_select() must return target values and target errnos. */ |
992f48a0 | 1529 | static abi_long do_select(int n, |
26edcf41 TS |
1530 | abi_ulong rfd_addr, abi_ulong wfd_addr, |
1531 | abi_ulong efd_addr, abi_ulong target_tv_addr) | |
31e31b8a FB |
1532 | { |
1533 | fd_set rfds, wfds, efds; | |
1534 | fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; | |
6df9d38d PM |
1535 | struct timeval tv; |
1536 | struct timespec ts, *ts_ptr; | |
992f48a0 | 1537 | abi_long ret; |
31e31b8a | 1538 | |
055e0906 MF |
1539 | ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); |
1540 | if (ret) { | |
1541 | return ret; | |
53a5960a | 1542 | } |
055e0906 MF |
1543 | ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); |
1544 | if (ret) { | |
1545 | return ret; | |
53a5960a | 1546 | } |
055e0906 MF |
1547 | ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); |
1548 | if (ret) { | |
1549 | return ret; | |
53a5960a | 1550 | } |
3b46e624 | 1551 | |
26edcf41 | 1552 | if (target_tv_addr) { |
788f5ec4 TS |
1553 | if (copy_from_user_timeval(&tv, target_tv_addr)) |
1554 | return -TARGET_EFAULT; | |
6df9d38d PM |
1555 | ts.tv_sec = tv.tv_sec; |
1556 | ts.tv_nsec = tv.tv_usec * 1000; | |
1557 | ts_ptr = &ts; | |
31e31b8a | 1558 | } else { |
6df9d38d | 1559 | ts_ptr = NULL; |
31e31b8a | 1560 | } |
26edcf41 | 1561 | |
6df9d38d PM |
1562 | ret = get_errno(safe_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr, |
1563 | ts_ptr, NULL)); | |
53a5960a | 1564 | |
26edcf41 TS |
1565 | if (!is_error(ret)) { |
1566 | if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) | |
1567 | return -TARGET_EFAULT; | |
1568 | if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) | |
1569 | return -TARGET_EFAULT; | |
1570 | if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) | |
1571 | return -TARGET_EFAULT; | |
31e31b8a | 1572 | |
6df9d38d PM |
1573 | if (target_tv_addr) { |
1574 | tv.tv_sec = ts.tv_sec; | |
1575 | tv.tv_usec = ts.tv_nsec / 1000; | |
1576 | if (copy_to_user_timeval(target_tv_addr, &tv)) { | |
1577 | return -TARGET_EFAULT; | |
1578 | } | |
1579 | } | |
31e31b8a | 1580 | } |
579a97f7 | 1581 | |
31e31b8a FB |
1582 | return ret; |
1583 | } | |
5457dc9e LV |
1584 | |
1585 | #if defined(TARGET_WANT_OLD_SYS_SELECT) | |
1586 | static abi_long do_old_select(abi_ulong arg1) | |
1587 | { | |
1588 | struct target_sel_arg_struct *sel; | |
1589 | abi_ulong inp, outp, exp, tvp; | |
1590 | long nsel; | |
1591 | ||
1592 | if (!lock_user_struct(VERIFY_READ, sel, arg1, 1)) { | |
1593 | return -TARGET_EFAULT; | |
1594 | } | |
1595 | ||
1596 | nsel = tswapal(sel->n); | |
1597 | inp = tswapal(sel->inp); | |
1598 | outp = tswapal(sel->outp); | |
1599 | exp = tswapal(sel->exp); | |
1600 | tvp = tswapal(sel->tvp); | |
1601 | ||
1602 | unlock_user_struct(sel, arg1, 0); | |
1603 | ||
1604 | return do_select(nsel, inp, outp, exp, tvp); | |
1605 | } | |
1606 | #endif | |
055e0906 | 1607 | #endif |
31e31b8a | 1608 | |
099d6b0f RV |
1609 | static abi_long do_pipe2(int host_pipe[], int flags) |
1610 | { | |
1611 | #ifdef CONFIG_PIPE2 | |
1612 | return pipe2(host_pipe, flags); | |
1613 | #else | |
1614 | return -ENOSYS; | |
1615 | #endif | |
1616 | } | |
1617 | ||
fb41a66e RH |
1618 | static abi_long do_pipe(void *cpu_env, abi_ulong pipedes, |
1619 | int flags, int is_pipe2) | |
099d6b0f RV |
1620 | { |
1621 | int host_pipe[2]; | |
1622 | abi_long ret; | |
1623 | ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe); | |
1624 | ||
1625 | if (is_error(ret)) | |
1626 | return get_errno(ret); | |
fb41a66e RH |
1627 | |
1628 | /* Several targets have special calling conventions for the original | |
1629 | pipe syscall, but didn't replicate this into the pipe2 syscall. */ | |
1630 | if (!is_pipe2) { | |
1631 | #if defined(TARGET_ALPHA) | |
1632 | ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1]; | |
1633 | return host_pipe[0]; | |
1634 | #elif defined(TARGET_MIPS) | |
1635 | ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1]; | |
1636 | return host_pipe[0]; | |
1637 | #elif defined(TARGET_SH4) | |
597c0212 | 1638 | ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1]; |
fb41a66e | 1639 | return host_pipe[0]; |
82f05b69 PM |
1640 | #elif defined(TARGET_SPARC) |
1641 | ((CPUSPARCState*)cpu_env)->regwptr[1] = host_pipe[1]; | |
1642 | return host_pipe[0]; | |
597c0212 | 1643 | #endif |
fb41a66e RH |
1644 | } |
1645 | ||
099d6b0f RV |
1646 | if (put_user_s32(host_pipe[0], pipedes) |
1647 | || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0]))) | |
1648 | return -TARGET_EFAULT; | |
099d6b0f RV |
1649 | return get_errno(ret); |
1650 | } | |
1651 | ||
b975b83b LL |
1652 | static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn, |
1653 | abi_ulong target_addr, | |
1654 | socklen_t len) | |
1655 | { | |
1656 | struct target_ip_mreqn *target_smreqn; | |
1657 | ||
1658 | target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1); | |
1659 | if (!target_smreqn) | |
1660 | return -TARGET_EFAULT; | |
1661 | mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr; | |
1662 | mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr; | |
1663 | if (len == sizeof(struct target_ip_mreqn)) | |
cbb21eed | 1664 | mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex); |
b975b83b LL |
1665 | unlock_user(target_smreqn, target_addr, 0); |
1666 | ||
1667 | return 0; | |
1668 | } | |
1669 | ||
7b36f782 | 1670 | static inline abi_long target_to_host_sockaddr(int fd, struct sockaddr *addr, |
579a97f7 FB |
1671 | abi_ulong target_addr, |
1672 | socklen_t len) | |
7854b056 | 1673 | { |
607175e0 AJ |
1674 | const socklen_t unix_maxlen = sizeof (struct sockaddr_un); |
1675 | sa_family_t sa_family; | |
53a5960a PB |
1676 | struct target_sockaddr *target_saddr; |
1677 | ||
7b36f782 LV |
1678 | if (fd_trans_target_to_host_addr(fd)) { |
1679 | return fd_trans_target_to_host_addr(fd)(addr, target_addr, len); | |
1680 | } | |
1681 | ||
579a97f7 FB |
1682 | target_saddr = lock_user(VERIFY_READ, target_addr, len, 1); |
1683 | if (!target_saddr) | |
1684 | return -TARGET_EFAULT; | |
607175e0 AJ |
1685 | |
1686 | sa_family = tswap16(target_saddr->sa_family); | |
1687 | ||
1688 | /* Oops. The caller might send a incomplete sun_path; sun_path | |
1689 | * must be terminated by \0 (see the manual page), but | |
1690 | * unfortunately it is quite common to specify sockaddr_un | |
1691 | * length as "strlen(x->sun_path)" while it should be | |
1692 | * "strlen(...) + 1". We'll fix that here if needed. | |
1693 | * Linux kernel has a similar feature. | |
1694 | */ | |
1695 | ||
1696 | if (sa_family == AF_UNIX) { | |
1697 | if (len < unix_maxlen && len > 0) { | |
1698 | char *cp = (char*)target_saddr; | |
1699 | ||
1700 | if ( cp[len-1] && !cp[len] ) | |
1701 | len++; | |
1702 | } | |
1703 | if (len > unix_maxlen) | |
1704 | len = unix_maxlen; | |
1705 | } | |
1706 | ||
53a5960a | 1707 | memcpy(addr, target_saddr, len); |
607175e0 | 1708 | addr->sa_family = sa_family; |
6c5b5645 LV |
1709 | if (sa_family == AF_NETLINK) { |
1710 | struct sockaddr_nl *nladdr; | |
1711 | ||
1712 | nladdr = (struct sockaddr_nl *)addr; | |
1713 | nladdr->nl_pid = tswap32(nladdr->nl_pid); | |
1714 | nladdr->nl_groups = tswap32(nladdr->nl_groups); | |
1715 | } else if (sa_family == AF_PACKET) { | |
33a29b51 JT |
1716 | struct target_sockaddr_ll *lladdr; |
1717 | ||
1718 | lladdr = (struct target_sockaddr_ll *)addr; | |
1719 | lladdr->sll_ifindex = tswap32(lladdr->sll_ifindex); | |
1720 | lladdr->sll_hatype = tswap16(lladdr->sll_hatype); | |
1721 | } | |
53a5960a | 1722 | unlock_user(target_saddr, target_addr, 0); |
579a97f7 FB |
1723 | |
1724 | return 0; | |
7854b056 FB |
1725 | } |
1726 | ||
579a97f7 FB |
1727 | static inline abi_long host_to_target_sockaddr(abi_ulong target_addr, |
1728 | struct sockaddr *addr, | |
1729 | socklen_t len) | |
7854b056 | 1730 | { |
53a5960a PB |
1731 | struct target_sockaddr *target_saddr; |
1732 | ||
a1e22192 PM |
1733 | if (len == 0) { |
1734 | return 0; | |
1735 | } | |
6860710c | 1736 | assert(addr); |
a1e22192 | 1737 | |
579a97f7 FB |
1738 | target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0); |
1739 | if (!target_saddr) | |
1740 | return -TARGET_EFAULT; | |
53a5960a | 1741 | memcpy(target_saddr, addr, len); |
a1e22192 PM |
1742 | if (len >= offsetof(struct target_sockaddr, sa_family) + |
1743 | sizeof(target_saddr->sa_family)) { | |
1744 | target_saddr->sa_family = tswap16(addr->sa_family); | |
1745 | } | |
1746 | if (addr->sa_family == AF_NETLINK && len >= sizeof(struct sockaddr_nl)) { | |
6c5b5645 LV |
1747 | struct sockaddr_nl *target_nl = (struct sockaddr_nl *)target_saddr; |
1748 | target_nl->nl_pid = tswap32(target_nl->nl_pid); | |
1749 | target_nl->nl_groups = tswap32(target_nl->nl_groups); | |
a82ea939 LV |
1750 | } else if (addr->sa_family == AF_PACKET) { |
1751 | struct sockaddr_ll *target_ll = (struct sockaddr_ll *)target_saddr; | |
1752 | target_ll->sll_ifindex = tswap32(target_ll->sll_ifindex); | |
1753 | target_ll->sll_hatype = tswap16(target_ll->sll_hatype); | |
ee1ac3a1 HD |
1754 | } else if (addr->sa_family == AF_INET6 && |
1755 | len >= sizeof(struct target_sockaddr_in6)) { | |
1756 | struct target_sockaddr_in6 *target_in6 = | |
1757 | (struct target_sockaddr_in6 *)target_saddr; | |
1758 | target_in6->sin6_scope_id = tswap16(target_in6->sin6_scope_id); | |
6c5b5645 | 1759 | } |
53a5960a | 1760 | unlock_user(target_saddr, target_addr, len); |
579a97f7 FB |
1761 | |
1762 | return 0; | |
7854b056 FB |
1763 | } |
1764 | ||
5a4a898d FB |
1765 | static inline abi_long target_to_host_cmsg(struct msghdr *msgh, |
1766 | struct target_msghdr *target_msgh) | |
7854b056 FB |
1767 | { |
1768 | struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); | |
5a4a898d FB |
1769 | abi_long msg_controllen; |
1770 | abi_ulong target_cmsg_addr; | |
ee104587 | 1771 | struct target_cmsghdr *target_cmsg, *target_cmsg_start; |
7854b056 | 1772 | socklen_t space = 0; |
5a4a898d | 1773 | |
cbb21eed | 1774 | msg_controllen = tswapal(target_msgh->msg_controllen); |
5a4a898d FB |
1775 | if (msg_controllen < sizeof (struct target_cmsghdr)) |
1776 | goto the_end; | |
cbb21eed | 1777 | target_cmsg_addr = tswapal(target_msgh->msg_control); |
5a4a898d | 1778 | target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1); |
ee104587 | 1779 | target_cmsg_start = target_cmsg; |
5a4a898d FB |
1780 | if (!target_cmsg) |
1781 | return -TARGET_EFAULT; | |
7854b056 FB |
1782 | |
1783 | while (cmsg && target_cmsg) { | |
1784 | void *data = CMSG_DATA(cmsg); | |
1785 | void *target_data = TARGET_CMSG_DATA(target_cmsg); | |
1786 | ||
cbb21eed | 1787 | int len = tswapal(target_cmsg->cmsg_len) |
ad762b99 | 1788 | - sizeof(struct target_cmsghdr); |
7854b056 FB |
1789 | |
1790 | space += CMSG_SPACE(len); | |
1791 | if (space > msgh->msg_controllen) { | |
1792 | space -= CMSG_SPACE(len); | |
c2aeb258 PM |
1793 | /* This is a QEMU bug, since we allocated the payload |
1794 | * area ourselves (unlike overflow in host-to-target | |
1795 | * conversion, which is just the guest giving us a buffer | |
1796 | * that's too small). It can't happen for the payload types | |
1797 | * we currently support; if it becomes an issue in future | |
1798 | * we would need to improve our allocation strategy to | |
1799 | * something more intelligent than "twice the size of the | |
1800 | * target buffer we're reading from". | |
1801 | */ | |
31febb71 | 1802 | gemu_log("Host cmsg overflow\n"); |
7854b056 FB |
1803 | break; |
1804 | } | |
1805 | ||
dbf4f796 PJ |
1806 | if (tswap32(target_cmsg->cmsg_level) == TARGET_SOL_SOCKET) { |
1807 | cmsg->cmsg_level = SOL_SOCKET; | |
1808 | } else { | |
1809 | cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level); | |
1810 | } | |
7854b056 FB |
1811 | cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type); |
1812 | cmsg->cmsg_len = CMSG_LEN(len); | |
1813 | ||
30b8b68e | 1814 | if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS) { |
7854b056 FB |
1815 | int *fd = (int *)data; |
1816 | int *target_fd = (int *)target_data; | |
1817 | int i, numfds = len / sizeof(int); | |
1818 | ||
876e23cb PM |
1819 | for (i = 0; i < numfds; i++) { |
1820 | __get_user(fd[i], target_fd + i); | |
1821 | } | |
30b8b68e AS |
1822 | } else if (cmsg->cmsg_level == SOL_SOCKET |
1823 | && cmsg->cmsg_type == SCM_CREDENTIALS) { | |
1824 | struct ucred *cred = (struct ucred *)data; | |
1825 | struct target_ucred *target_cred = | |
1826 | (struct target_ucred *)target_data; | |
1827 | ||
876e23cb PM |
1828 | __get_user(cred->pid, &target_cred->pid); |
1829 | __get_user(cred->uid, &target_cred->uid); | |
1830 | __get_user(cred->gid, &target_cred->gid); | |
30b8b68e AS |
1831 | } else { |
1832 | gemu_log("Unsupported ancillary data: %d/%d\n", | |
1833 | cmsg->cmsg_level, cmsg->cmsg_type); | |
1834 | memcpy(data, target_data, len); | |
7854b056 FB |
1835 | } |
1836 | ||
1837 | cmsg = CMSG_NXTHDR(msgh, cmsg); | |
ee104587 JN |
1838 | target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg, |
1839 | target_cmsg_start); | |
7854b056 | 1840 | } |
5a4a898d FB |
1841 | unlock_user(target_cmsg, target_cmsg_addr, 0); |
1842 | the_end: | |
7854b056 | 1843 | msgh->msg_controllen = space; |
5a4a898d | 1844 | return 0; |
7854b056 FB |
1845 | } |
1846 | ||
5a4a898d FB |
1847 | static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh, |
1848 | struct msghdr *msgh) | |
7854b056 FB |
1849 | { |
1850 | struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); | |
5a4a898d FB |
1851 | abi_long msg_controllen; |
1852 | abi_ulong target_cmsg_addr; | |
ee104587 | 1853 | struct target_cmsghdr *target_cmsg, *target_cmsg_start; |
7854b056 FB |
1854 | socklen_t space = 0; |
1855 | ||
cbb21eed | 1856 | msg_controllen = tswapal(target_msgh->msg_controllen); |
5a4a898d FB |
1857 | if (msg_controllen < sizeof (struct target_cmsghdr)) |
1858 | goto the_end; | |
cbb21eed | 1859 | target_cmsg_addr = tswapal(target_msgh->msg_control); |
5a4a898d | 1860 | target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0); |
ee104587 | 1861 | target_cmsg_start = target_cmsg; |
5a4a898d FB |
1862 | if (!target_cmsg) |
1863 | return -TARGET_EFAULT; | |
1864 | ||
7854b056 FB |
1865 | while (cmsg && target_cmsg) { |
1866 | void *data = CMSG_DATA(cmsg); | |
1867 | void *target_data = TARGET_CMSG_DATA(target_cmsg); | |
1868 | ||
ad762b99 | 1869 | int len = cmsg->cmsg_len - sizeof(struct cmsghdr); |
c2aeb258 | 1870 | int tgt_len, tgt_space; |
7854b056 | 1871 | |
c2aeb258 PM |
1872 | /* We never copy a half-header but may copy half-data; |
1873 | * this is Linux's behaviour in put_cmsg(). Note that | |
1874 | * truncation here is a guest problem (which we report | |
1875 | * to the guest via the CTRUNC bit), unlike truncation | |
1876 | * in target_to_host_cmsg, which is a QEMU bug. | |
1877 | */ | |
7174970a | 1878 | if (msg_controllen < sizeof(struct target_cmsghdr)) { |
c2aeb258 | 1879 | target_msgh->msg_flags |= tswap32(MSG_CTRUNC); |
7854b056 FB |
1880 | break; |
1881 | } | |
1882 | ||
dbf4f796 PJ |
1883 | if (cmsg->cmsg_level == SOL_SOCKET) { |
1884 | target_cmsg->cmsg_level = tswap32(TARGET_SOL_SOCKET); | |
1885 | } else { | |
1886 | target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level); | |
1887 | } | |
7854b056 | 1888 | target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type); |
7854b056 | 1889 | |
c2aeb258 PM |
1890 | /* Payload types which need a different size of payload on |
1891 | * the target must adjust tgt_len here. | |
1892 | */ | |
309786cf | 1893 | tgt_len = len; |
c2aeb258 PM |
1894 | switch (cmsg->cmsg_level) { |
1895 | case SOL_SOCKET: | |
1896 | switch (cmsg->cmsg_type) { | |
1897 | case SO_TIMESTAMP: | |
1898 | tgt_len = sizeof(struct target_timeval); | |
1899 | break; | |
1900 | default: | |
1901 | break; | |
1902 | } | |
309786cf | 1903 | break; |
c2aeb258 PM |
1904 | default: |
1905 | break; | |
1906 | } | |
1907 | ||
7174970a | 1908 | if (msg_controllen < TARGET_CMSG_LEN(tgt_len)) { |
c2aeb258 | 1909 | target_msgh->msg_flags |= tswap32(MSG_CTRUNC); |
7174970a | 1910 | tgt_len = msg_controllen - sizeof(struct target_cmsghdr); |
c2aeb258 PM |
1911 | } |
1912 | ||
1913 | /* We must now copy-and-convert len bytes of payload | |
1914 | * into tgt_len bytes of destination space. Bear in mind | |
1915 | * that in both source and destination we may be dealing | |
1916 | * with a truncated value! | |
1917 | */ | |
52b65494 HD |
1918 | switch (cmsg->cmsg_level) { |
1919 | case SOL_SOCKET: | |
1920 | switch (cmsg->cmsg_type) { | |
1921 | case SCM_RIGHTS: | |
1922 | { | |
1923 | int *fd = (int *)data; | |
1924 | int *target_fd = (int *)target_data; | |
c2aeb258 | 1925 | int i, numfds = tgt_len / sizeof(int); |
52b65494 | 1926 | |
876e23cb PM |
1927 | for (i = 0; i < numfds; i++) { |
1928 | __put_user(fd[i], target_fd + i); | |
1929 | } | |
52b65494 HD |
1930 | break; |
1931 | } | |
1932 | case SO_TIMESTAMP: | |
1933 | { | |
1934 | struct timeval *tv = (struct timeval *)data; | |
1935 | struct target_timeval *target_tv = | |
1936 | (struct target_timeval *)target_data; | |
1937 | ||
c2aeb258 PM |
1938 | if (len != sizeof(struct timeval) || |
1939 | tgt_len != sizeof(struct target_timeval)) { | |
52b65494 | 1940 | goto unimplemented; |
c2aeb258 | 1941 | } |
52b65494 HD |
1942 | |
1943 | /* copy struct timeval to target */ | |
876e23cb PM |
1944 | __put_user(tv->tv_sec, &target_tv->tv_sec); |
1945 | __put_user(tv->tv_usec, &target_tv->tv_usec); | |
52b65494 HD |
1946 | break; |
1947 | } | |
4bc29756 HD |
1948 | case SCM_CREDENTIALS: |
1949 | { | |
1950 | struct ucred *cred = (struct ucred *)data; | |
1951 | struct target_ucred *target_cred = | |
1952 | (struct target_ucred *)target_data; | |
1953 | ||
1954 | __put_user(cred->pid, &target_cred->pid); | |
1955 | __put_user(cred->uid, &target_cred->uid); | |
1956 | __put_user(cred->gid, &target_cred->gid); | |
1957 | break; | |
1958 | } | |
52b65494 HD |
1959 | default: |
1960 | goto unimplemented; | |
1961 | } | |
1962 | break; | |
7854b056 | 1963 | |
ee1ac3a1 HD |
1964 | case SOL_IP: |
1965 | switch (cmsg->cmsg_type) { | |
1966 | case IP_TTL: | |
1967 | { | |
1968 | uint32_t *v = (uint32_t *)data; | |
1969 | uint32_t *t_int = (uint32_t *)target_data; | |
1970 | ||
7174970a PM |
1971 | if (len != sizeof(uint32_t) || |
1972 | tgt_len != sizeof(uint32_t)) { | |
1973 | goto unimplemented; | |
1974 | } | |
ee1ac3a1 HD |
1975 | __put_user(*v, t_int); |
1976 | break; | |
1977 | } | |
1978 | case IP_RECVERR: | |
1979 | { | |
1980 | struct errhdr_t { | |
1981 | struct sock_extended_err ee; | |
1982 | struct sockaddr_in offender; | |
1983 | }; | |
1984 | struct errhdr_t *errh = (struct errhdr_t *)data; | |
1985 | struct errhdr_t *target_errh = | |
1986 | (struct errhdr_t *)target_data; | |
1987 | ||
7174970a PM |
1988 | if (len != sizeof(struct errhdr_t) || |
1989 | tgt_len != sizeof(struct errhdr_t)) { | |
1990 | goto unimplemented; | |
1991 | } | |
ee1ac3a1 HD |
1992 | __put_user(errh->ee.ee_errno, &target_errh->ee.ee_errno); |
1993 | __put_user(errh->ee.ee_origin, &target_errh->ee.ee_origin); | |
1994 | __put_user(errh->ee.ee_type, &target_errh->ee.ee_type); | |
1995 | __put_user(errh->ee.ee_code, &target_errh->ee.ee_code); | |
1996 | __put_user(errh->ee.ee_pad, &target_errh->ee.ee_pad); | |
1997 | __put_user(errh->ee.ee_info, &target_errh->ee.ee_info); | |
1998 | __put_user(errh->ee.ee_data, &target_errh->ee.ee_data); | |
1999 | host_to_target_sockaddr((unsigned long) &target_errh->offender, | |
2000 | (void *) &errh->offender, sizeof(errh->offender)); | |
2001 | break; | |
2002 | } | |
2003 | default: | |
2004 | goto unimplemented; | |
2005 | } | |
2006 | break; | |
2007 | ||
2008 | case SOL_IPV6: | |
2009 | switch (cmsg->cmsg_type) { | |
2010 | case IPV6_HOPLIMIT: | |
2011 | { | |
2012 | uint32_t *v = (uint32_t *)data; | |
2013 | uint32_t *t_int = (uint32_t *)target_data; | |
2014 | ||
7174970a PM |
2015 | if (len != sizeof(uint32_t) || |
2016 | tgt_len != sizeof(uint32_t)) { | |
2017 | goto unimplemented; | |
2018 | } | |
ee1ac3a1 HD |
2019 | __put_user(*v, t_int); |
2020 | break; | |
2021 | } | |
2022 | case IPV6_RECVERR: | |
2023 | { | |
2024 | struct errhdr6_t { | |
2025 | struct sock_extended_err ee; | |
2026 | struct sockaddr_in6 offender; | |
2027 | }; | |
2028 | struct errhdr6_t *errh = (struct errhdr6_t *)data; | |
2029 | struct errhdr6_t *target_errh = | |
2030 | (struct errhdr6_t *)target_data; | |
2031 | ||
7174970a PM |
2032 | if (len != sizeof(struct errhdr6_t) || |
2033 | tgt_len != sizeof(struct errhdr6_t)) { | |
2034 | goto unimplemented; | |
2035 | } | |
ee1ac3a1 HD |
2036 | __put_user(errh->ee.ee_errno, &target_errh->ee.ee_errno); |
2037 | __put_user(errh->ee.ee_origin, &target_errh->ee.ee_origin); | |
2038 | __put_user(errh->ee.ee_type, &target_errh->ee.ee_type); | |
2039 | __put_user(errh->ee.ee_code, &target_errh->ee.ee_code); | |
2040 | __put_user(errh->ee.ee_pad, &target_errh->ee.ee_pad); | |
2041 | __put_user(errh->ee.ee_info, &target_errh->ee.ee_info); | |
2042 | __put_user(errh->ee.ee_data, &target_errh->ee.ee_data); | |
2043 | host_to_target_sockaddr((unsigned long) &target_errh->offender, | |
2044 | (void *) &errh->offender, sizeof(errh->offender)); | |
2045 | break; | |
2046 | } | |
2047 | default: | |
2048 | goto unimplemented; | |
2049 | } | |
2050 | break; | |
2051 | ||
52b65494 HD |
2052 | default: |
2053 | unimplemented: | |
aebf5bc7 JH |
2054 | gemu_log("Unsupported ancillary data: %d/%d\n", |
2055 | cmsg->cmsg_level, cmsg->cmsg_type); | |
c2aeb258 PM |
2056 | memcpy(target_data, data, MIN(len, tgt_len)); |
2057 | if (tgt_len > len) { | |
2058 | memset(target_data + len, 0, tgt_len - len); | |
2059 | } | |
7854b056 FB |
2060 | } |
2061 | ||
7174970a PM |
2062 | target_cmsg->cmsg_len = tswapal(TARGET_CMSG_LEN(tgt_len)); |
2063 | tgt_space = TARGET_CMSG_SPACE(tgt_len); | |
c2aeb258 PM |
2064 | if (msg_controllen < tgt_space) { |
2065 | tgt_space = msg_controllen; | |
2066 | } | |
2067 | msg_controllen -= tgt_space; | |
2068 | space += tgt_space; | |
7854b056 | 2069 | cmsg = CMSG_NXTHDR(msgh, cmsg); |
ee104587 JN |
2070 | target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg, |
2071 | target_cmsg_start); | |
7854b056 | 2072 | } |
5a4a898d FB |
2073 | unlock_user(target_cmsg, target_cmsg_addr, space); |
2074 | the_end: | |
cbb21eed | 2075 | target_msgh->msg_controllen = tswapal(space); |
5a4a898d | 2076 | return 0; |
7854b056 FB |
2077 | } |
2078 | ||
6c5b5645 LV |
2079 | static void tswap_nlmsghdr(struct nlmsghdr *nlh) |
2080 | { | |
2081 | nlh->nlmsg_len = tswap32(nlh->nlmsg_len); | |
2082 | nlh->nlmsg_type = tswap16(nlh->nlmsg_type); | |
2083 | nlh->nlmsg_flags = tswap16(nlh->nlmsg_flags); | |
2084 | nlh->nlmsg_seq = tswap32(nlh->nlmsg_seq); | |
2085 | nlh->nlmsg_pid = tswap32(nlh->nlmsg_pid); | |
2086 | } | |
2087 | ||
2088 | static abi_long host_to_target_for_each_nlmsg(struct nlmsghdr *nlh, | |
2089 | size_t len, | |
2090 | abi_long (*host_to_target_nlmsg) | |
2091 | (struct nlmsghdr *)) | |
2092 | { | |
2093 | uint32_t nlmsg_len; | |
2094 | abi_long ret; | |
2095 | ||
2096 | while (len > sizeof(struct nlmsghdr)) { | |
2097 | ||
2098 | nlmsg_len = nlh->nlmsg_len; | |
2099 | if (nlmsg_len < sizeof(struct nlmsghdr) || | |
2100 | nlmsg_len > len) { | |
2101 | break; | |
2102 | } | |
2103 | ||
2104 | switch (nlh->nlmsg_type) { | |
2105 | case NLMSG_DONE: | |
2106 | tswap_nlmsghdr(nlh); | |
2107 | return 0; | |
2108 | case NLMSG_NOOP: | |
2109 | break; | |
2110 | case NLMSG_ERROR: | |
2111 | { | |
2112 | struct nlmsgerr *e = NLMSG_DATA(nlh); | |
2113 | e->error = tswap32(e->error); | |
2114 | tswap_nlmsghdr(&e->msg); | |
2115 | tswap_nlmsghdr(nlh); | |
2116 | return 0; | |
2117 | } | |
2118 | default: | |
2119 | ret = host_to_target_nlmsg(nlh); | |
2120 | if (ret < 0) { | |
2121 | tswap_nlmsghdr(nlh); | |
2122 | return ret; | |
2123 | } | |
2124 | break; | |
2125 | } | |
2126 | tswap_nlmsghdr(nlh); | |
2127 | len -= NLMSG_ALIGN(nlmsg_len); | |
2128 | nlh = (struct nlmsghdr *)(((char*)nlh) + NLMSG_ALIGN(nlmsg_len)); | |
2129 | } | |
2130 | return 0; | |
2131 | } | |
2132 | ||
2133 | static abi_long target_to_host_for_each_nlmsg(struct nlmsghdr *nlh, | |
2134 | size_t len, | |
2135 | abi_long (*target_to_host_nlmsg) | |
2136 | (struct nlmsghdr *)) | |
2137 | { | |
2138 | int ret; | |
2139 | ||
2140 | while (len > sizeof(struct nlmsghdr)) { | |
2141 | if (tswap32(nlh->nlmsg_len) < sizeof(struct nlmsghdr) || | |
2142 | tswap32(nlh->nlmsg_len) > len) { | |
2143 | break; | |
2144 | } | |
2145 | tswap_nlmsghdr(nlh); | |
2146 | switch (nlh->nlmsg_type) { | |
2147 | case NLMSG_DONE: | |
2148 | return 0; | |
2149 | case NLMSG_NOOP: | |
2150 | break; | |
2151 | case NLMSG_ERROR: | |
2152 | { | |
2153 | struct nlmsgerr *e = NLMSG_DATA(nlh); | |
2154 | e->error = tswap32(e->error); | |
2155 | tswap_nlmsghdr(&e->msg); | |
84f34b00 | 2156 | return 0; |
6c5b5645 LV |
2157 | } |
2158 | default: | |
2159 | ret = target_to_host_nlmsg(nlh); | |
2160 | if (ret < 0) { | |
2161 | return ret; | |
2162 | } | |
2163 | } | |
2164 | len -= NLMSG_ALIGN(nlh->nlmsg_len); | |
2165 | nlh = (struct nlmsghdr *)(((char *)nlh) + NLMSG_ALIGN(nlh->nlmsg_len)); | |
2166 | } | |
2167 | return 0; | |
2168 | } | |
2169 | ||
575b22b1 | 2170 | #ifdef CONFIG_RTNETLINK |
c5dff280 LV |
2171 | static abi_long host_to_target_for_each_nlattr(struct nlattr *nlattr, |
2172 | size_t len, void *context, | |
2173 | abi_long (*host_to_target_nlattr) | |
2174 | (struct nlattr *, | |
2175 | void *context)) | |
2176 | { | |
2177 | unsigned short nla_len; | |
2178 | abi_long ret; | |
2179 | ||
2180 | while (len > sizeof(struct nlattr)) { | |
2181 | nla_len = nlattr->nla_len; | |
2182 | if (nla_len < sizeof(struct nlattr) || | |
2183 | nla_len > len) { | |
2184 | break; | |
2185 | } | |
2186 | ret = host_to_target_nlattr(nlattr, context); | |
2187 | nlattr->nla_len = tswap16(nlattr->nla_len); | |
2188 | nlattr->nla_type = tswap16(nlattr->nla_type); | |
2189 | if (ret < 0) { | |
2190 | return ret; | |
2191 | } | |
2192 | len -= NLA_ALIGN(nla_len); | |
2193 | nlattr = (struct nlattr *)(((char *)nlattr) + NLA_ALIGN(nla_len)); | |
2194 | } | |
2195 | return 0; | |
2196 | } | |
2197 | ||
6c5b5645 LV |
2198 | static abi_long host_to_target_for_each_rtattr(struct rtattr *rtattr, |
2199 | size_t len, | |
2200 | abi_long (*host_to_target_rtattr) | |
2201 | (struct rtattr *)) | |
2202 | { | |
2203 | unsigned short rta_len; | |
2204 | abi_long ret; | |
2205 | ||
2206 | while (len > sizeof(struct rtattr)) { | |
2207 | rta_len = rtattr->rta_len; | |
2208 | if (rta_len < sizeof(struct rtattr) || | |
2209 | rta_len > len) { | |
2210 | break; | |
2211 | } | |
2212 | ret = host_to_target_rtattr(rtattr); | |
2213 | rtattr->rta_len = tswap16(rtattr->rta_len); | |
2214 | rtattr->rta_type = tswap16(rtattr->rta_type); | |
2215 | if (ret < 0) { | |
2216 | return ret; | |
2217 | } | |
2218 | len -= RTA_ALIGN(rta_len); | |
2219 | rtattr = (struct rtattr *)(((char *)rtattr) + RTA_ALIGN(rta_len)); | |
2220 | } | |
2221 | return 0; | |
2222 | } | |
2223 | ||
c5dff280 LV |
2224 | #define NLA_DATA(nla) ((void *)((char *)(nla)) + NLA_HDRLEN) |
2225 | ||
2226 | static abi_long host_to_target_data_bridge_nlattr(struct nlattr *nlattr, | |
2227 | void *context) | |
2228 | { | |
2229 | uint16_t *u16; | |
2230 | uint32_t *u32; | |
2231 | uint64_t *u64; | |
2232 | ||
2233 | switch (nlattr->nla_type) { | |
2234 | /* no data */ | |
60c6b790 | 2235 | case QEMU_IFLA_BR_FDB_FLUSH: |
c5dff280 LV |
2236 | break; |
2237 | /* binary */ | |
60c6b790 | 2238 | case QEMU_IFLA_BR_GROUP_ADDR: |
c5dff280 LV |
2239 | break; |
2240 | /* uint8_t */ | |
60c6b790 MP |
2241 | case QEMU_IFLA_BR_VLAN_FILTERING: |
2242 | case QEMU_IFLA_BR_TOPOLOGY_CHANGE: | |
2243 | case QEMU_IFLA_BR_TOPOLOGY_CHANGE_DETECTED: | |
2244 | case QEMU_IFLA_BR_MCAST_ROUTER: | |
2245 | case QEMU_IFLA_BR_MCAST_SNOOPING: | |
2246 | case QEMU_IFLA_BR_MCAST_QUERY_USE_IFADDR: | |
2247 | case QEMU_IFLA_BR_MCAST_QUERIER: | |
2248 | case QEMU_IFLA_BR_NF_CALL_IPTABLES: | |
2249 | case QEMU_IFLA_BR_NF_CALL_IP6TABLES: | |
2250 | case QEMU_IFLA_BR_NF_CALL_ARPTABLES: | |
c1e703f5 LV |
2251 | case QEMU_IFLA_BR_VLAN_STATS_ENABLED: |
2252 | case QEMU_IFLA_BR_MCAST_STATS_ENABLED: | |
2253 | case QEMU_IFLA_BR_MCAST_IGMP_VERSION: | |
2254 | case QEMU_IFLA_BR_MCAST_MLD_VERSION: | |
c5dff280 LV |
2255 | break; |
2256 | /* uint16_t */ | |
60c6b790 MP |
2257 | case QEMU_IFLA_BR_PRIORITY: |
2258 | case QEMU_IFLA_BR_VLAN_PROTOCOL: | |
2259 | case QEMU_IFLA_BR_GROUP_FWD_MASK: | |
2260 | case QEMU_IFLA_BR_ROOT_PORT: | |
2261 | case QEMU_IFLA_BR_VLAN_DEFAULT_PVID: | |
c5dff280 LV |
2262 | u16 = NLA_DATA(nlattr); |
2263 | *u16 = tswap16(*u16); | |
2264 | break; | |
2265 | /* uint32_t */ | |
60c6b790 MP |
2266 | case QEMU_IFLA_BR_FORWARD_DELAY: |
2267 | case QEMU_IFLA_BR_HELLO_TIME: | |
2268 | case QEMU_IFLA_BR_MAX_AGE: | |
2269 | case QEMU_IFLA_BR_AGEING_TIME: | |
2270 | case QEMU_IFLA_BR_STP_STATE: | |
2271 | case QEMU_IFLA_BR_ROOT_PATH_COST: | |
2272 | case QEMU_IFLA_BR_MCAST_HASH_ELASTICITY: | |
2273 | case QEMU_IFLA_BR_MCAST_HASH_MAX: | |
2274 | case QEMU_IFLA_BR_MCAST_LAST_MEMBER_CNT: | |
2275 | case QEMU_IFLA_BR_MCAST_STARTUP_QUERY_CNT: | |
c5dff280 LV |
2276 | u32 = NLA_DATA(nlattr); |
2277 | *u32 = tswap32(*u32); | |
2278 | break; | |
2279 | /* uint64_t */ | |
60c6b790 MP |
2280 | case QEMU_IFLA_BR_HELLO_TIMER: |
2281 | case QEMU_IFLA_BR_TCN_TIMER: | |
2282 | case QEMU_IFLA_BR_GC_TIMER: | |
2283 | case QEMU_IFLA_BR_TOPOLOGY_CHANGE_TIMER: | |
2284 | case QEMU_IFLA_BR_MCAST_LAST_MEMBER_INTVL: | |
2285 | case QEMU_IFLA_BR_MCAST_MEMBERSHIP_INTVL: | |
2286 | case QEMU_IFLA_BR_MCAST_QUERIER_INTVL: | |
2287 | case QEMU_IFLA_BR_MCAST_QUERY_INTVL: | |
2288 | case QEMU_IFLA_BR_MCAST_QUERY_RESPONSE_INTVL: | |
2289 | case QEMU_IFLA_BR_MCAST_STARTUP_QUERY_INTVL: | |
c5dff280 LV |
2290 | u64 = NLA_DATA(nlattr); |
2291 | *u64 = tswap64(*u64); | |
2292 | break; | |
2293 | /* ifla_bridge_id: uin8_t[] */ | |
60c6b790 MP |
2294 | case QEMU_IFLA_BR_ROOT_ID: |
2295 | case QEMU_IFLA_BR_BRIDGE_ID: | |
c5dff280 LV |
2296 | break; |
2297 | default: | |
60c6b790 | 2298 | gemu_log("Unknown QEMU_IFLA_BR type %d\n", nlattr->nla_type); |
c5dff280 LV |
2299 | break; |
2300 | } | |
2301 | return 0; | |
2302 | } | |
2303 | ||
2304 | static abi_long host_to_target_slave_data_bridge_nlattr(struct nlattr *nlattr, | |
2305 | void *context) | |
2306 | { | |
2307 | uint16_t *u16; | |
2308 | uint32_t *u32; | |
2309 | uint64_t *u64; | |
2310 | ||
2311 | switch (nlattr->nla_type) { | |
2312 | /* uint8_t */ | |
60c6b790 MP |
2313 | case QEMU_IFLA_BRPORT_STATE: |
2314 | case QEMU_IFLA_BRPORT_MODE: | |
2315 | case QEMU_IFLA_BRPORT_GUARD: | |
2316 | case QEMU_IFLA_BRPORT_PROTECT: | |
2317 | case QEMU_IFLA_BRPORT_FAST_LEAVE: | |
2318 | case QEMU_IFLA_BRPORT_LEARNING: | |
2319 | case QEMU_IFLA_BRPORT_UNICAST_FLOOD: | |
2320 | case QEMU_IFLA_BRPORT_PROXYARP: | |
2321 | case QEMU_IFLA_BRPORT_LEARNING_SYNC: | |
2322 | case QEMU_IFLA_BRPORT_PROXYARP_WIFI: | |
2323 | case QEMU_IFLA_BRPORT_TOPOLOGY_CHANGE_ACK: | |
2324 | case QEMU_IFLA_BRPORT_CONFIG_PENDING: | |
2325 | case QEMU_IFLA_BRPORT_MULTICAST_ROUTER: | |
c1e703f5 LV |
2326 | case QEMU_IFLA_BRPORT_MCAST_FLOOD: |
2327 | case QEMU_IFLA_BRPORT_MCAST_TO_UCAST: | |
2328 | case QEMU_IFLA_BRPORT_VLAN_TUNNEL: | |
2329 | case QEMU_IFLA_BRPORT_BCAST_FLOOD: | |
2330 | case QEMU_IFLA_BRPORT_NEIGH_SUPPRESS: | |
c5dff280 LV |
2331 | break; |
2332 | /* uint16_t */ | |
60c6b790 MP |
2333 | case QEMU_IFLA_BRPORT_PRIORITY: |
2334 | case QEMU_IFLA_BRPORT_DESIGNATED_PORT: | |
2335 | case QEMU_IFLA_BRPORT_DESIGNATED_COST: | |
2336 | case QEMU_IFLA_BRPORT_ID: | |
2337 | case QEMU_IFLA_BRPORT_NO: | |
c1e703f5 | 2338 | case QEMU_IFLA_BRPORT_GROUP_FWD_MASK: |
c5dff280 LV |
2339 | u16 = NLA_DATA(nlattr); |
2340 | *u16 = tswap16(*u16); | |
2341 | break; | |
2342 | /* uin32_t */ | |
60c6b790 | 2343 | case QEMU_IFLA_BRPORT_COST: |
c5dff280 LV |
2344 | u32 = NLA_DATA(nlattr); |
2345 | *u32 = tswap32(*u32); | |
2346 | break; | |
2347 | /* uint64_t */ | |
60c6b790 MP |
2348 | case QEMU_IFLA_BRPORT_MESSAGE_AGE_TIMER: |
2349 | case QEMU_IFLA_BRPORT_FORWARD_DELAY_TIMER: | |
2350 | case QEMU_IFLA_BRPORT_HOLD_TIMER: | |
c5dff280 LV |
2351 | u64 = NLA_DATA(nlattr); |
2352 | *u64 = tswap64(*u64); | |
2353 | break; | |
2354 | /* ifla_bridge_id: uint8_t[] */ | |
60c6b790 MP |
2355 | case QEMU_IFLA_BRPORT_ROOT_ID: |
2356 | case QEMU_IFLA_BRPORT_BRIDGE_ID: | |
c5dff280 LV |
2357 | break; |
2358 | default: | |
60c6b790 | 2359 | gemu_log("Unknown QEMU_IFLA_BRPORT type %d\n", nlattr->nla_type); |
c5dff280 LV |
2360 | break; |
2361 | } | |
2362 | return 0; | |
2363 | } | |
2364 | ||
70c61d4f LV |
2365 | static abi_long host_to_target_data_tun_nlattr(struct nlattr *nlattr, |
2366 | void *context) | |
2367 | { | |
2368 | uint32_t *u32; | |
2369 | ||
2370 | switch (nlattr->nla_type) { | |
2371 | /* uint8_t */ | |
2372 | case QEMU_IFLA_TUN_TYPE: | |
2373 | case QEMU_IFLA_TUN_PI: | |
2374 | case QEMU_IFLA_TUN_VNET_HDR: | |
2375 | case QEMU_IFLA_TUN_PERSIST: | |
2376 | case QEMU_IFLA_TUN_MULTI_QUEUE: | |
2377 | break; | |
2378 | /* uint32_t */ | |
2379 | case QEMU_IFLA_TUN_NUM_QUEUES: | |
2380 | case QEMU_IFLA_TUN_NUM_DISABLED_QUEUES: | |
2381 | case QEMU_IFLA_TUN_OWNER: | |
2382 | case QEMU_IFLA_TUN_GROUP: | |
2383 | u32 = NLA_DATA(nlattr); | |
2384 | *u32 = tswap32(*u32); | |
2385 | break; | |
2386 | default: | |
2387 | gemu_log("Unknown QEMU_IFLA_TUN type %d\n", nlattr->nla_type); | |
2388 | break; | |
2389 | } | |
2390 | return 0; | |
2391 | } | |
2392 | ||
c5dff280 LV |
2393 | struct linkinfo_context { |
2394 | int len; | |
2395 | char *name; | |
2396 | int slave_len; | |
2397 | char *slave_name; | |
2398 | }; | |
2399 | ||
2400 | static abi_long host_to_target_data_linkinfo_nlattr(struct nlattr *nlattr, | |
2401 | void *context) | |
2402 | { | |
2403 | struct linkinfo_context *li_context = context; | |
2404 | ||
2405 | switch (nlattr->nla_type) { | |
2406 | /* string */ | |
60c6b790 | 2407 | case QEMU_IFLA_INFO_KIND: |
c5dff280 LV |
2408 | li_context->name = NLA_DATA(nlattr); |
2409 | li_context->len = nlattr->nla_len - NLA_HDRLEN; | |
2410 | break; | |
60c6b790 | 2411 | case QEMU_IFLA_INFO_SLAVE_KIND: |
c5dff280 LV |
2412 | li_context->slave_name = NLA_DATA(nlattr); |
2413 | li_context->slave_len = nlattr->nla_len - NLA_HDRLEN; | |
2414 | break; | |
2415 | /* stats */ | |
60c6b790 | 2416 | case QEMU_IFLA_INFO_XSTATS: |
c5dff280 LV |
2417 | /* FIXME: only used by CAN */ |
2418 | break; | |
2419 | /* nested */ | |
60c6b790 | 2420 | case QEMU_IFLA_INFO_DATA: |
c5dff280 LV |
2421 | if (strncmp(li_context->name, "bridge", |
2422 | li_context->len) == 0) { | |
2423 | return host_to_target_for_each_nlattr(NLA_DATA(nlattr), | |
2424 | nlattr->nla_len, | |
2425 | NULL, | |
2426 | host_to_target_data_bridge_nlattr); | |
70c61d4f LV |
2427 | } else if (strncmp(li_context->name, "tun", |
2428 | li_context->len) == 0) { | |
2429 | return host_to_target_for_each_nlattr(NLA_DATA(nlattr), | |
2430 | nlattr->nla_len, | |
2431 | NULL, | |
2432 | host_to_target_data_tun_nlattr); | |
c5dff280 | 2433 | } else { |
60c6b790 | 2434 | gemu_log("Unknown QEMU_IFLA_INFO_KIND %s\n", li_context->name); |
c5dff280 LV |
2435 | } |
2436 | break; | |
60c6b790 | 2437 | case QEMU_IFLA_INFO_SLAVE_DATA: |
c5dff280 LV |
2438 | if (strncmp(li_context->slave_name, "bridge", |
2439 | li_context->slave_len) == 0) { | |
2440 | return host_to_target_for_each_nlattr(NLA_DATA(nlattr), | |
2441 | nlattr->nla_len, | |
2442 | NULL, | |
2443 | host_to_target_slave_data_bridge_nlattr); | |
2444 | } else { | |
60c6b790 | 2445 | gemu_log("Unknown QEMU_IFLA_INFO_SLAVE_KIND %s\n", |
c5dff280 LV |
2446 | li_context->slave_name); |
2447 | } | |
2448 | break; | |
2449 | default: | |
60c6b790 | 2450 | gemu_log("Unknown host QEMU_IFLA_INFO type: %d\n", nlattr->nla_type); |
c5dff280 LV |
2451 | break; |
2452 | } | |
2453 | ||
2454 | return 0; | |
2455 | } | |
2456 | ||
2457 | static abi_long host_to_target_data_inet_nlattr(struct nlattr *nlattr, | |
2458 | void *context) | |
2459 | { | |
2460 | uint32_t *u32; | |
2461 | int i; | |
2462 | ||
2463 | switch (nlattr->nla_type) { | |
60c6b790 | 2464 | case QEMU_IFLA_INET_CONF: |
c5dff280 LV |
2465 | u32 = NLA_DATA(nlattr); |
2466 | for (i = 0; i < (nlattr->nla_len - NLA_HDRLEN) / sizeof(*u32); | |
2467 | i++) { | |
2468 | u32[i] = tswap32(u32[i]); | |
2469 | } | |
2470 | break; | |
2471 | default: | |
2472 | gemu_log("Unknown host AF_INET type: %d\n", nlattr->nla_type); | |
2473 | } | |
2474 | return 0; | |
2475 | } | |
2476 | ||
2477 | static abi_long host_to_target_data_inet6_nlattr(struct nlattr *nlattr, | |
2478 | void *context) | |
2479 | { | |
2480 | uint32_t *u32; | |
2481 | uint64_t *u64; | |
2482 | struct ifla_cacheinfo *ci; | |
2483 | int i; | |
2484 | ||
2485 | switch (nlattr->nla_type) { | |
2486 | /* binaries */ | |
60c6b790 | 2487 | case QEMU_IFLA_INET6_TOKEN: |
c5dff280 LV |
2488 | break; |
2489 | /* uint8_t */ | |
60c6b790 | 2490 | case QEMU_IFLA_INET6_ADDR_GEN_MODE: |
c5dff280 LV |
2491 | break; |
2492 | /* uint32_t */ | |
60c6b790 | 2493 | case QEMU_IFLA_INET6_FLAGS: |
c5dff280 LV |
2494 | u32 = NLA_DATA(nlattr); |
2495 | *u32 = tswap32(*u32); | |
2496 | break; | |
2497 | /* uint32_t[] */ | |
60c6b790 | 2498 | case QEMU_IFLA_INET6_CONF: |
c5dff280 LV |
2499 | u32 = NLA_DATA(nlattr); |
2500 | for (i = 0; i < (nlattr->nla_len - NLA_HDRLEN) / sizeof(*u32); | |
2501 | i++) { | |
2502 | u32[i] = tswap32(u32[i]); | |
2503 | } | |
2504 | break; | |
2505 | /* ifla_cacheinfo */ | |
60c6b790 | 2506 | case QEMU_IFLA_INET6_CACHEINFO: |
c5dff280 LV |
2507 | ci = NLA_DATA(nlattr); |
2508 | ci->max_reasm_len = tswap32(ci->max_reasm_len); | |
2509 | ci->tstamp = tswap32(ci->tstamp); | |
2510 | ci->reachable_time = tswap32(ci->reachable_time); | |
2511 | ci->retrans_time = tswap32(ci->retrans_time); | |
2512 | break; | |
2513 | /* uint64_t[] */ | |
60c6b790 MP |
2514 | case QEMU_IFLA_INET6_STATS: |
2515 | case QEMU_IFLA_INET6_ICMP6STATS: | |
c5dff280 LV |
2516 | u64 = NLA_DATA(nlattr); |
2517 | for (i = 0; i < (nlattr->nla_len - NLA_HDRLEN) / sizeof(*u64); | |
2518 | i++) { | |
2519 | u64[i] = tswap64(u64[i]); | |
2520 | } | |
2521 | break; | |
2522 | default: | |
2523 | gemu_log("Unknown host AF_INET6 type: %d\n", nlattr->nla_type); | |
2524 | } | |
2525 | return 0; | |
2526 | } | |
2527 | ||
2528 | static abi_long host_to_target_data_spec_nlattr(struct nlattr *nlattr, | |
2529 | void *context) | |
2530 | { | |
2531 | switch (nlattr->nla_type) { | |
2532 | case AF_INET: | |
2533 | return host_to_target_for_each_nlattr(NLA_DATA(nlattr), nlattr->nla_len, | |
2534 | NULL, | |
2535 | host_to_target_data_inet_nlattr); | |
2536 | case AF_INET6: | |
2537 | return host_to_target_for_each_nlattr(NLA_DATA(nlattr), nlattr->nla_len, | |
2538 | NULL, | |
2539 | host_to_target_data_inet6_nlattr); | |
2540 | default: | |
2541 | gemu_log("Unknown host AF_SPEC type: %d\n", nlattr->nla_type); | |
2542 | break; | |
2543 | } | |
2544 | return 0; | |
2545 | } | |
2546 | ||
c1e703f5 LV |
2547 | static abi_long host_to_target_data_xdp_nlattr(struct nlattr *nlattr, |
2548 | void *context) | |
2549 | { | |
2550 | uint32_t *u32; | |
2551 | ||
2552 | switch (nlattr->nla_type) { | |
2553 | /* uint8_t */ | |
2554 | case QEMU_IFLA_XDP_ATTACHED: | |
2555 | break; | |
2556 | /* uint32_t */ | |
2557 | case QEMU_IFLA_XDP_PROG_ID: | |
2558 | u32 = NLA_DATA(nlattr); | |
2559 | *u32 = tswap32(*u32); | |
2560 | break; | |
2561 | default: | |
2562 | gemu_log("Unknown host XDP type: %d\n", nlattr->nla_type); | |
2563 | break; | |
2564 | } | |
2565 | return 0; | |
2566 | } | |
2567 | ||
6c5b5645 LV |
2568 | static abi_long host_to_target_data_link_rtattr(struct rtattr *rtattr) |
2569 | { | |
2570 | uint32_t *u32; | |
2571 | struct rtnl_link_stats *st; | |
2572 | struct rtnl_link_stats64 *st64; | |
2573 | struct rtnl_link_ifmap *map; | |
c5dff280 | 2574 | struct linkinfo_context li_context; |
6c5b5645 LV |
2575 | |
2576 | switch (rtattr->rta_type) { | |
2577 | /* binary stream */ | |
60c6b790 MP |
2578 | case QEMU_IFLA_ADDRESS: |
2579 | case QEMU_IFLA_BROADCAST: | |
6c5b5645 | 2580 | /* string */ |
60c6b790 MP |
2581 | case QEMU_IFLA_IFNAME: |
2582 | case QEMU_IFLA_QDISC: | |
6c5b5645 LV |
2583 | break; |
2584 | /* uin8_t */ | |
60c6b790 MP |
2585 | case QEMU_IFLA_OPERSTATE: |
2586 | case QEMU_IFLA_LINKMODE: | |
2587 | case QEMU_IFLA_CARRIER: | |
2588 | case QEMU_IFLA_PROTO_DOWN: | |
6c5b5645 LV |
2589 | break; |
2590 | /* uint32_t */ | |
60c6b790 MP |
2591 | case QEMU_IFLA_MTU: |
2592 | case QEMU_IFLA_LINK: | |
2593 | case QEMU_IFLA_WEIGHT: | |
2594 | case QEMU_IFLA_TXQLEN: | |
2595 | case QEMU_IFLA_CARRIER_CHANGES: | |
2596 | case QEMU_IFLA_NUM_RX_QUEUES: | |
2597 | case QEMU_IFLA_NUM_TX_QUEUES: | |
2598 | case QEMU_IFLA_PROMISCUITY: | |
2599 | case QEMU_IFLA_EXT_MASK: | |
2600 | case QEMU_IFLA_LINK_NETNSID: | |
2601 | case QEMU_IFLA_GROUP: | |
2602 | case QEMU_IFLA_MASTER: | |
2603 | case QEMU_IFLA_NUM_VF: | |
a1488b86 LV |
2604 | case QEMU_IFLA_GSO_MAX_SEGS: |
2605 | case QEMU_IFLA_GSO_MAX_SIZE: | |
d2ba246c LV |
2606 | case QEMU_IFLA_CARRIER_UP_COUNT: |
2607 | case QEMU_IFLA_CARRIER_DOWN_COUNT: | |
6c5b5645 LV |
2608 | u32 = RTA_DATA(rtattr); |
2609 | *u32 = tswap32(*u32); | |
2610 | break; | |
2611 | /* struct rtnl_link_stats */ | |
60c6b790 | 2612 | case QEMU_IFLA_STATS: |
6c5b5645 LV |
2613 | st = RTA_DATA(rtattr); |
2614 | st->rx_packets = tswap32(st->rx_packets); | |
2615 | st->tx_packets = tswap32(st->tx_packets); | |
2616 | st->rx_bytes = tswap32(st->rx_bytes); | |
2617 | st->tx_bytes = tswap32(st->tx_bytes); | |
2618 | st->rx_errors = tswap32(st->rx_errors); | |
2619 | st->tx_errors = tswap32(st->tx_errors); | |
2620 | st->rx_dropped = tswap32(st->rx_dropped); | |
2621 | st->tx_dropped = tswap32(st->tx_dropped); | |
2622 | st->multicast = tswap32(st->multicast); | |
2623 | st->collisions = tswap32(st->collisions); | |
2624 | ||
2625 | /* detailed rx_errors: */ | |
2626 | st->rx_length_errors = tswap32(st->rx_length_errors); | |
2627 | st->rx_over_errors = tswap32(st->rx_over_errors); | |
2628 | st->rx_crc_errors = tswap32(st->rx_crc_errors); | |
2629 | st->rx_frame_errors = tswap32(st->rx_frame_errors); | |
2630 | st->rx_fifo_errors = tswap32(st->rx_fifo_errors); | |
2631 | st->rx_missed_errors = tswap32(st->rx_missed_errors); | |
2632 | ||
2633 | /* detailed tx_errors */ | |
2634 | st->tx_aborted_errors = tswap32(st->tx_aborted_errors); | |
2635 | st->tx_carrier_errors = tswap32(st->tx_carrier_errors); | |
2636 | st->tx_fifo_errors = tswap32(st->tx_fifo_errors); | |
2637 | st->tx_heartbeat_errors = tswap32(st->tx_heartbeat_errors); | |
2638 | st->tx_window_errors = tswap32(st->tx_window_errors); | |
2639 | ||
2640 | /* for cslip etc */ | |
2641 | st->rx_compressed = tswap32(st->rx_compressed); | |
2642 | st->tx_compressed = tswap32(st->tx_compressed); | |
2643 | break; | |
2644 | /* struct rtnl_link_stats64 */ | |
60c6b790 | 2645 | case QEMU_IFLA_STATS64: |
6c5b5645 LV |
2646 | st64 = RTA_DATA(rtattr); |
2647 | st64->rx_packets = tswap64(st64->rx_packets); | |
2648 | st64->tx_packets = tswap64(st64->tx_packets); | |
2649 | st64->rx_bytes = tswap64(st64->rx_bytes); | |
2650 | st64->tx_bytes = tswap64(st64->tx_bytes); | |
2651 | st64->rx_errors = tswap64(st64->rx_errors); | |
2652 | st64->tx_errors = tswap64(st64->tx_errors); | |
2653 | st64->rx_dropped = tswap64(st64->rx_dropped); | |
2654 | st64->tx_dropped = tswap64(st64->tx_dropped); | |
2655 | st64->multicast = tswap64(st64->multicast); | |
2656 | st64->collisions = tswap64(st64->collisions); | |
2657 | ||
2658 | /* detailed rx_errors: */ | |
2659 | st64->rx_length_errors = tswap64(st64->rx_length_errors); | |
2660 | st64->rx_over_errors = tswap64(st64->rx_over_errors); | |
2661 | st64->rx_crc_errors = tswap64(st64->rx_crc_errors); | |
2662 | st64->rx_frame_errors = tswap64(st64->rx_frame_errors); | |
2663 | st64->rx_fifo_errors = tswap64(st64->rx_fifo_errors); | |
2664 | st64->rx_missed_errors = tswap64(st64->rx_missed_errors); | |
2665 | ||
2666 | /* detailed tx_errors */ | |
2667 | st64->tx_aborted_errors = tswap64(st64->tx_aborted_errors); | |
2668 | st64->tx_carrier_errors = tswap64(st64->tx_carrier_errors); | |
2669 | st64->tx_fifo_errors = tswap64(st64->tx_fifo_errors); | |
2670 | st64->tx_heartbeat_errors = tswap64(st64->tx_heartbeat_errors); | |
2671 | st64->tx_window_errors = tswap64(st64->tx_window_errors); | |
2672 | ||
2673 | /* for cslip etc */ | |
2674 | st64->rx_compressed = tswap64(st64->rx_compressed); | |
2675 | st64->tx_compressed = tswap64(st64->tx_compressed); | |
2676 | break; | |
2677 | /* struct rtnl_link_ifmap */ | |
60c6b790 | 2678 | case QEMU_IFLA_MAP: |
6c5b5645 LV |
2679 | map = RTA_DATA(rtattr); |
2680 | map->mem_start = tswap64(map->mem_start); | |
2681 | map->mem_end = tswap64(map->mem_end); | |
2682 | map->base_addr = tswap64(map->base_addr); | |
2683 | map->irq = tswap16(map->irq); | |
2684 | break; | |
2685 | /* nested */ | |
60c6b790 | 2686 | case QEMU_IFLA_LINKINFO: |
c5dff280 LV |
2687 | memset(&li_context, 0, sizeof(li_context)); |
2688 | return host_to_target_for_each_nlattr(RTA_DATA(rtattr), rtattr->rta_len, | |
2689 | &li_context, | |
2690 | host_to_target_data_linkinfo_nlattr); | |
60c6b790 | 2691 | case QEMU_IFLA_AF_SPEC: |
c5dff280 LV |
2692 | return host_to_target_for_each_nlattr(RTA_DATA(rtattr), rtattr->rta_len, |
2693 | NULL, | |
2694 | host_to_target_data_spec_nlattr); | |
c1e703f5 LV |
2695 | case QEMU_IFLA_XDP: |
2696 | return host_to_target_for_each_nlattr(RTA_DATA(rtattr), rtattr->rta_len, | |
2697 | NULL, | |
2698 | host_to_target_data_xdp_nlattr); | |
6c5b5645 | 2699 | default: |
60c6b790 | 2700 | gemu_log("Unknown host QEMU_IFLA type: %d\n", rtattr->rta_type); |
6c5b5645 LV |
2701 | break; |
2702 | } | |
2703 | return 0; | |
2704 | } | |
2705 | ||
2706 | static abi_long host_to_target_data_addr_rtattr(struct rtattr *rtattr) | |
2707 | { | |
2708 | uint32_t *u32; | |
2709 | struct ifa_cacheinfo *ci; | |
2710 | ||
2711 | switch (rtattr->rta_type) { | |
2712 | /* binary: depends on family type */ | |
2713 | case IFA_ADDRESS: | |
2714 | case IFA_LOCAL: | |
2715 | break; | |
2716 | /* string */ | |
2717 | case IFA_LABEL: | |
2718 | break; | |
2719 | /* u32 */ | |
2720 | case IFA_FLAGS: | |
2721 | case IFA_BROADCAST: | |
2722 | u32 = RTA_DATA(rtattr); | |
2723 | *u32 = tswap32(*u32); | |
2724 | break; | |
2725 | /* struct ifa_cacheinfo */ | |
2726 | case IFA_CACHEINFO: | |
2727 | ci = RTA_DATA(rtattr); | |
2728 | ci->ifa_prefered = tswap32(ci->ifa_prefered); | |
2729 | ci->ifa_valid = tswap32(ci->ifa_valid); | |
2730 | ci->cstamp = tswap32(ci->cstamp); | |
2731 | ci->tstamp = tswap32(ci->tstamp); | |
2732 | break; | |
2733 | default: | |
2734 | gemu_log("Unknown host IFA type: %d\n", rtattr->rta_type); | |
2735 | break; | |
2736 | } | |
2737 | return 0; | |
2738 | } | |
2739 | ||
2740 | static abi_long host_to_target_data_route_rtattr(struct rtattr *rtattr) | |
2741 | { | |
2742 | uint32_t *u32; | |
90cce2a1 LV |
2743 | struct rta_cacheinfo *ci; |
2744 | ||
6c5b5645 LV |
2745 | switch (rtattr->rta_type) { |
2746 | /* binary: depends on family type */ | |
3c3ab559 LV |
2747 | case QEMU_RTA_GATEWAY: |
2748 | case QEMU_RTA_DST: | |
2749 | case QEMU_RTA_PREFSRC: | |
6c5b5645 | 2750 | break; |
90cce2a1 LV |
2751 | /* u8 */ |
2752 | case QEMU_RTA_PREF: | |
2753 | break; | |
6c5b5645 | 2754 | /* u32 */ |
3c3ab559 LV |
2755 | case QEMU_RTA_PRIORITY: |
2756 | case QEMU_RTA_TABLE: | |
2757 | case QEMU_RTA_OIF: | |
6c5b5645 LV |
2758 | u32 = RTA_DATA(rtattr); |
2759 | *u32 = tswap32(*u32); | |
2760 | break; | |
90cce2a1 LV |
2761 | /* struct rta_cacheinfo */ |
2762 | case QEMU_RTA_CACHEINFO: | |
2763 | ci = RTA_DATA(rtattr); | |
2764 | ci->rta_clntref = tswap32(ci->rta_clntref); | |
2765 | ci->rta_lastuse = tswap32(ci->rta_lastuse); | |
2766 | ci->rta_expires = tswap32(ci->rta_expires); | |
2767 | ci->rta_error = tswap32(ci->rta_error); | |
2768 | ci->rta_used = tswap32(ci->rta_used); | |
2769 | #if defined(RTNETLINK_HAVE_PEERINFO) | |
2770 | ci->rta_id = tswap32(ci->rta_id); | |
2771 | ci->rta_ts = tswap32(ci->rta_ts); | |
2772 | ci->rta_tsage = tswap32(ci->rta_tsage); | |
2773 | #endif | |
2774 | break; | |
6c5b5645 LV |
2775 | default: |
2776 | gemu_log("Unknown host RTA type: %d\n", rtattr->rta_type); | |
2777 | break; | |
2778 | } | |
2779 | return 0; | |
2780 | } | |
2781 | ||
2782 | static abi_long host_to_target_link_rtattr(struct rtattr *rtattr, | |
2783 | uint32_t rtattr_len) | |
2784 | { | |
2785 | return host_to_target_for_each_rtattr(rtattr, rtattr_len, | |
2786 | host_to_target_data_link_rtattr); | |
2787 | } | |
2788 | ||
2789 | static abi_long host_to_target_addr_rtattr(struct rtattr *rtattr, | |
2790 | uint32_t rtattr_len) | |
2791 | { | |
2792 | return host_to_target_for_each_rtattr(rtattr, rtattr_len, | |
2793 | host_to_target_data_addr_rtattr); | |
2794 | } | |
2795 | ||
2796 | static abi_long host_to_target_route_rtattr(struct rtattr *rtattr, | |
2797 | uint32_t rtattr_len) | |
2798 | { | |
2799 | return host_to_target_for_each_rtattr(rtattr, rtattr_len, | |
2800 | host_to_target_data_route_rtattr); | |
2801 | } | |
2802 | ||
2803 | static abi_long host_to_target_data_route(struct nlmsghdr *nlh) | |
2804 | { | |
2805 | uint32_t nlmsg_len; | |
2806 | struct ifinfomsg *ifi; | |
2807 | struct ifaddrmsg *ifa; | |
2808 | struct rtmsg *rtm; | |
2809 | ||
2810 | nlmsg_len = nlh->nlmsg_len; | |
2811 | switch (nlh->nlmsg_type) { | |
2812 | case RTM_NEWLINK: | |
2813 | case RTM_DELLINK: | |
2814 | case RTM_GETLINK: | |
b9403979 LV |
2815 | if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*ifi))) { |
2816 | ifi = NLMSG_DATA(nlh); | |
2817 | ifi->ifi_type = tswap16(ifi->ifi_type); | |
2818 | ifi->ifi_index = tswap32(ifi->ifi_index); | |
2819 | ifi->ifi_flags = tswap32(ifi->ifi_flags); | |
2820 | ifi->ifi_change = tswap32(ifi->ifi_change); | |
2821 | host_to_target_link_rtattr(IFLA_RTA(ifi), | |
2822 | nlmsg_len - NLMSG_LENGTH(sizeof(*ifi))); | |
2823 | } | |
6c5b5645 LV |
2824 | break; |
2825 | case RTM_NEWADDR: | |
2826 | case RTM_DELADDR: | |
2827 | case RTM_GETADDR: | |
b9403979 LV |
2828 | if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*ifa))) { |
2829 | ifa = NLMSG_DATA(nlh); | |
2830 | ifa->ifa_index = tswap32(ifa->ifa_index); | |
2831 | host_to_target_addr_rtattr(IFA_RTA(ifa), | |
2832 | nlmsg_len - NLMSG_LENGTH(sizeof(*ifa))); | |
2833 | } | |
6c5b5645 LV |
2834 | break; |
2835 | case RTM_NEWROUTE: | |
2836 | case RTM_DELROUTE: | |
2837 | case RTM_GETROUTE: | |
b9403979 LV |
2838 | if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*rtm))) { |
2839 | rtm = NLMSG_DATA(nlh); | |
2840 | rtm->rtm_flags = tswap32(rtm->rtm_flags); | |
2841 | host_to_target_route_rtattr(RTM_RTA(rtm), | |
2842 | nlmsg_len - NLMSG_LENGTH(sizeof(*rtm))); | |
2843 | } | |
6c5b5645 LV |
2844 | break; |
2845 | default: | |
2846 | return -TARGET_EINVAL; | |
2847 | } | |
2848 | return 0; | |
2849 | } | |
2850 | ||
2851 | static inline abi_long host_to_target_nlmsg_route(struct nlmsghdr *nlh, | |
2852 | size_t len) | |
2853 | { | |
2854 | return host_to_target_for_each_nlmsg(nlh, len, host_to_target_data_route); | |
2855 | } | |
2856 | ||
2857 | static abi_long target_to_host_for_each_rtattr(struct rtattr *rtattr, | |
2858 | size_t len, | |
2859 | abi_long (*target_to_host_rtattr) | |
2860 | (struct rtattr *)) | |
2861 | { | |
2862 | abi_long ret; | |
2863 | ||
2864 | while (len >= sizeof(struct rtattr)) { | |
2865 | if (tswap16(rtattr->rta_len) < sizeof(struct rtattr) || | |
2866 | tswap16(rtattr->rta_len) > len) { | |
2867 | break; | |
2868 | } | |
2869 | rtattr->rta_len = tswap16(rtattr->rta_len); | |
2870 | rtattr->rta_type = tswap16(rtattr->rta_type); | |
2871 | ret = target_to_host_rtattr(rtattr); | |
2872 | if (ret < 0) { | |
2873 | return ret; | |
2874 | } | |
2875 | len -= RTA_ALIGN(rtattr->rta_len); | |
2876 | rtattr = (struct rtattr *)(((char *)rtattr) + | |
2877 | RTA_ALIGN(rtattr->rta_len)); | |
2878 | } | |
2879 | return 0; | |
2880 | } | |
2881 | ||
2882 | static abi_long target_to_host_data_link_rtattr(struct rtattr *rtattr) | |
2883 | { | |
2884 | switch (rtattr->rta_type) { | |
2885 | default: | |
60c6b790 | 2886 | gemu_log("Unknown target QEMU_IFLA type: %d\n", rtattr->rta_type); |
6c5b5645 LV |
2887 | break; |
2888 | } | |
2889 | return 0; | |
2890 | } | |
2891 | ||
2892 | static abi_long target_to_host_data_addr_rtattr(struct rtattr *rtattr) | |
2893 | { | |
2894 | switch (rtattr->rta_type) { | |
2895 | /* binary: depends on family type */ | |
2896 | case IFA_LOCAL: | |
2897 | case IFA_ADDRESS: | |
2898 | break; | |
2899 | default: | |
2900 | gemu_log("Unknown target IFA type: %d\n", rtattr->rta_type); | |
2901 | break; | |
2902 | } | |
2903 | return 0; | |
2904 | } | |
2905 | ||
2906 | static abi_long target_to_host_data_route_rtattr(struct rtattr *rtattr) | |
2907 | { | |
2908 | uint32_t *u32; | |
2909 | switch (rtattr->rta_type) { | |
2910 | /* binary: depends on family type */ | |
3c3ab559 LV |
2911 | case QEMU_RTA_DST: |
2912 | case QEMU_RTA_SRC: | |
2913 | case QEMU_RTA_GATEWAY: | |
6c5b5645 LV |
2914 | break; |
2915 | /* u32 */ | |
3c3ab559 LV |
2916 | case QEMU_RTA_PRIORITY: |
2917 | case QEMU_RTA_OIF: | |
6c5b5645 LV |
2918 | u32 = RTA_DATA(rtattr); |
2919 | *u32 = tswap32(*u32); | |
2920 | break; | |
2921 | default: | |
2922 | gemu_log("Unknown target RTA type: %d\n", rtattr->rta_type); | |
2923 | break; | |
2924 | } | |
2925 | return 0; | |
2926 | } | |
2927 | ||
2928 | static void target_to_host_link_rtattr(struct rtattr *rtattr, | |
2929 | uint32_t rtattr_len) | |
2930 | { | |
2931 | target_to_host_for_each_rtattr(rtattr, rtattr_len, | |
2932 | target_to_host_data_link_rtattr); | |
2933 | } | |
2934 | ||
2935 | static void target_to_host_addr_rtattr(struct rtattr *rtattr, | |
2936 | uint32_t rtattr_len) | |
2937 | { | |
2938 | target_to_host_for_each_rtattr(rtattr, rtattr_len, | |
2939 | target_to_host_data_addr_rtattr); | |
2940 | } | |
2941 | ||
2942 | static void target_to_host_route_rtattr(struct rtattr *rtattr, | |
2943 | uint32_t rtattr_len) | |
2944 | { | |
2945 | target_to_host_for_each_rtattr(rtattr, rtattr_len, | |
2946 | target_to_host_data_route_rtattr); | |
2947 | } | |
2948 | ||
2949 | static abi_long target_to_host_data_route(struct nlmsghdr *nlh) | |
2950 | { | |
2951 | struct ifinfomsg *ifi; | |
2952 | struct ifaddrmsg *ifa; | |
2953 | struct rtmsg *rtm; | |
2954 | ||
2955 | switch (nlh->nlmsg_type) { | |
2956 | case RTM_GETLINK: | |
2957 | break; | |
2958 | case RTM_NEWLINK: | |
2959 | case RTM_DELLINK: | |
b9403979 LV |
2960 | if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*ifi))) { |
2961 | ifi = NLMSG_DATA(nlh); | |
2962 | ifi->ifi_type = tswap16(ifi->ifi_type); | |
2963 | ifi->ifi_index = tswap32(ifi->ifi_index); | |
2964 | ifi->ifi_flags = tswap32(ifi->ifi_flags); | |
2965 | ifi->ifi_change = tswap32(ifi->ifi_change); | |
2966 | target_to_host_link_rtattr(IFLA_RTA(ifi), nlh->nlmsg_len - | |
2967 | NLMSG_LENGTH(sizeof(*ifi))); | |
2968 | } | |
6c5b5645 LV |
2969 | break; |
2970 | case RTM_GETADDR: | |
2971 | case RTM_NEWADDR: | |
2972 | case RTM_DELADDR: | |
b9403979 LV |
2973 | if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*ifa))) { |
2974 | ifa = NLMSG_DATA(nlh); | |
2975 | ifa->ifa_index = tswap32(ifa->ifa_index); | |
2976 | target_to_host_addr_rtattr(IFA_RTA(ifa), nlh->nlmsg_len - | |
2977 | NLMSG_LENGTH(sizeof(*ifa))); | |
2978 | } | |
6c5b5645 LV |
2979 | break; |
2980 | case RTM_GETROUTE: | |
2981 | break; | |
2982 | case RTM_NEWROUTE: | |
2983 | case RTM_DELROUTE: | |
b9403979 LV |
2984 | if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*rtm))) { |
2985 | rtm = NLMSG_DATA(nlh); | |
2986 | rtm->rtm_flags = tswap32(rtm->rtm_flags); | |
2987 | target_to_host_route_rtattr(RTM_RTA(rtm), nlh->nlmsg_len - | |
2988 | NLMSG_LENGTH(sizeof(*rtm))); | |
2989 | } | |
6c5b5645 LV |
2990 | break; |
2991 | default: | |
2992 | return -TARGET_EOPNOTSUPP; | |
2993 | } | |
2994 | return 0; | |
2995 | } | |
2996 | ||
2997 | static abi_long target_to_host_nlmsg_route(struct nlmsghdr *nlh, size_t len) | |
2998 | { | |
2999 | return target_to_host_for_each_nlmsg(nlh, len, target_to_host_data_route); | |
3000 | } | |
575b22b1 | 3001 | #endif /* CONFIG_RTNETLINK */ |
6c5b5645 | 3002 | |
5ce9bb59 LV |
3003 | static abi_long host_to_target_data_audit(struct nlmsghdr *nlh) |
3004 | { | |
3005 | switch (nlh->nlmsg_type) { | |
3006 | default: | |
3007 | gemu_log("Unknown host audit message type %d\n", | |
3008 | nlh->nlmsg_type); | |
3009 | return -TARGET_EINVAL; | |
3010 | } | |
3011 | return 0; | |
3012 | } | |
3013 | ||
3014 | static inline abi_long host_to_target_nlmsg_audit(struct nlmsghdr *nlh, | |
3015 | size_t len) | |
3016 | { | |
3017 | return host_to_target_for_each_nlmsg(nlh, len, host_to_target_data_audit); | |
3018 | } | |
3019 | ||
3020 | static abi_long target_to_host_data_audit(struct nlmsghdr *nlh) | |
3021 | { | |
3022 | switch (nlh->nlmsg_type) { | |
3023 | case AUDIT_USER: | |
3024 | case AUDIT_FIRST_USER_MSG ... AUDIT_LAST_USER_MSG: | |
3025 | case AUDIT_FIRST_USER_MSG2 ... AUDIT_LAST_USER_MSG2: | |
3026 | break; | |
3027 | default: | |
3028 | gemu_log("Unknown target audit message type %d\n", | |
3029 | nlh->nlmsg_type); | |
3030 | return -TARGET_EINVAL; | |
3031 | } | |
3032 | ||
3033 | return 0; | |
3034 | } | |
3035 | ||
3036 | static abi_long target_to_host_nlmsg_audit(struct nlmsghdr *nlh, size_t len) | |
3037 | { | |
3038 | return target_to_host_for_each_nlmsg(nlh, len, target_to_host_data_audit); | |
3039 | } | |
3040 | ||
0da46a6e | 3041 | /* do_setsockopt() Must return target values and target errnos. */ |
992f48a0 | 3042 | static abi_long do_setsockopt(int sockfd, int level, int optname, |
2f619698 | 3043 | abi_ulong optval_addr, socklen_t optlen) |
7854b056 | 3044 | { |
992f48a0 | 3045 | abi_long ret; |
32407103 | 3046 | int val; |
b975b83b | 3047 | struct ip_mreqn *ip_mreq; |
6e3cb58f | 3048 | struct ip_mreq_source *ip_mreq_source; |
3b46e624 | 3049 | |
8853f86e FB |
3050 | switch(level) { |
3051 | case SOL_TCP: | |
7854b056 | 3052 | /* TCP options all take an 'int' value. */ |
7854b056 | 3053 | if (optlen < sizeof(uint32_t)) |
0da46a6e | 3054 | return -TARGET_EINVAL; |
3b46e624 | 3055 | |
2f619698 FB |
3056 | if (get_user_u32(val, optval_addr)) |
3057 | return -TARGET_EFAULT; | |
8853f86e FB |
3058 | ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); |
3059 | break; | |
3060 | case SOL_IP: | |
3061 | switch(optname) { | |
2efbe911 FB |
3062 | case IP_TOS: |
3063 | case IP_TTL: | |
8853f86e | 3064 | case IP_HDRINCL: |
2efbe911 FB |
3065 | case IP_ROUTER_ALERT: |
3066 | case IP_RECVOPTS: | |
3067 | case IP_RETOPTS: | |
3068 | case IP_PKTINFO: | |
3069 | case IP_MTU_DISCOVER: | |
3070 | case IP_RECVERR: | |
ee1ac3a1 | 3071 | case IP_RECVTTL: |
2efbe911 FB |
3072 | case IP_RECVTOS: |
3073 | #ifdef IP_FREEBIND | |
3074 | case IP_FREEBIND: | |
3075 | #endif | |
3076 | case IP_MULTICAST_TTL: | |
3077 | case IP_MULTICAST_LOOP: | |
8853f86e FB |
3078 | val = 0; |
3079 | if (optlen >= sizeof(uint32_t)) { | |
2f619698 FB |
3080 | if (get_user_u32(val, optval_addr)) |
3081 | return -TARGET_EFAULT; | |
8853f86e | 3082 | } else if (optlen >= 1) { |
2f619698 FB |
3083 | if (get_user_u8(val, optval_addr)) |
3084 | return -TARGET_EFAULT; | |
8853f86e FB |
3085 | } |
3086 | ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); | |
3087 | break; | |
b975b83b LL |
3088 | case IP_ADD_MEMBERSHIP: |
3089 | case IP_DROP_MEMBERSHIP: | |
3090 | if (optlen < sizeof (struct target_ip_mreq) || | |
3091 | optlen > sizeof (struct target_ip_mreqn)) | |
3092 | return -TARGET_EINVAL; | |
3093 | ||
3094 | ip_mreq = (struct ip_mreqn *) alloca(optlen); | |
3095 | target_to_host_ip_mreq(ip_mreq, optval_addr, optlen); | |
3096 | ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen)); | |
3097 | break; | |
3098 | ||
6e3cb58f LL |
3099 | case IP_BLOCK_SOURCE: |
3100 | case IP_UNBLOCK_SOURCE: | |
3101 | case IP_ADD_SOURCE_MEMBERSHIP: | |
3102 | case IP_DROP_SOURCE_MEMBERSHIP: | |
3103 | if (optlen != sizeof (struct target_ip_mreq_source)) | |
3104 | return -TARGET_EINVAL; | |
3105 | ||
3106 | ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1); | |
3107 | ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen)); | |
3108 | unlock_user (ip_mreq_source, optval_addr, 0); | |
3109 | break; | |
3110 | ||
920394db JH |
3111 | default: |
3112 | goto unimplemented; | |
3113 | } | |
3114 | break; | |
0d78b3b5 LV |
3115 | case SOL_IPV6: |
3116 | switch (optname) { | |
3117 | case IPV6_MTU_DISCOVER: | |
3118 | case IPV6_MTU: | |
3119 | case IPV6_V6ONLY: | |
3120 | case IPV6_RECVPKTINFO: | |
ee1ac3a1 | 3121 | case IPV6_UNICAST_HOPS: |
21749c4c LV |
3122 | case IPV6_MULTICAST_HOPS: |
3123 | case IPV6_MULTICAST_LOOP: | |
ee1ac3a1 HD |
3124 | case IPV6_RECVERR: |
3125 | case IPV6_RECVHOPLIMIT: | |
3126 | case IPV6_2292HOPLIMIT: | |
3127 | case IPV6_CHECKSUM: | |
0d78b3b5 LV |
3128 | val = 0; |
3129 | if (optlen < sizeof(uint32_t)) { | |
3130 | return -TARGET_EINVAL; | |
3131 | } | |
3132 | if (get_user_u32(val, optval_addr)) { | |
3133 | return -TARGET_EFAULT; | |
3134 | } | |
3135 | ret = get_errno(setsockopt(sockfd, level, optname, | |
3136 | &val, sizeof(val))); | |
3137 | break; | |
ee1ac3a1 HD |
3138 | case IPV6_PKTINFO: |
3139 | { | |
3140 | struct in6_pktinfo pki; | |
3141 | ||
3142 | if (optlen < sizeof(pki)) { | |
3143 | return -TARGET_EINVAL; | |
3144 | } | |
3145 | ||
3146 | if (copy_from_user(&pki, optval_addr, sizeof(pki))) { | |
3147 | return -TARGET_EFAULT; | |
3148 | } | |
3149 | ||
3150 | pki.ipi6_ifindex = tswap32(pki.ipi6_ifindex); | |
3151 | ||
3152 | ret = get_errno(setsockopt(sockfd, level, optname, | |
3153 | &pki, sizeof(pki))); | |
3154 | break; | |
3155 | } | |
3156 | default: | |
3157 | goto unimplemented; | |
3158 | } | |
3159 | break; | |
3160 | case SOL_ICMPV6: | |
3161 | switch (optname) { | |
3162 | case ICMPV6_FILTER: | |
3163 | { | |
3164 | struct icmp6_filter icmp6f; | |
3165 | ||
3166 | if (optlen > sizeof(icmp6f)) { | |
3167 | optlen = sizeof(icmp6f); | |
3168 | } | |
3169 | ||
3170 | if (copy_from_user(&icmp6f, optval_addr, optlen)) { | |
3171 | return -TARGET_EFAULT; | |
3172 | } | |
3173 | ||
3174 | for (val = 0; val < 8; val++) { | |
3175 | icmp6f.data[val] = tswap32(icmp6f.data[val]); | |
3176 | } | |
3177 | ||
3178 | ret = get_errno(setsockopt(sockfd, level, optname, | |
3179 | &icmp6f, optlen)); | |
3180 | break; | |
3181 | } | |
0d78b3b5 LV |
3182 | default: |
3183 | goto unimplemented; | |
3184 | } | |
3185 | break; | |
920394db JH |
3186 | case SOL_RAW: |
3187 | switch (optname) { | |
3188 | case ICMP_FILTER: | |
ee1ac3a1 HD |
3189 | case IPV6_CHECKSUM: |
3190 | /* those take an u32 value */ | |
920394db JH |
3191 | if (optlen < sizeof(uint32_t)) { |
3192 | return -TARGET_EINVAL; | |
3193 | } | |
3194 | ||
3195 | if (get_user_u32(val, optval_addr)) { | |
3196 | return -TARGET_EFAULT; | |
3197 | } | |
3198 | ret = get_errno(setsockopt(sockfd, level, optname, | |
3199 | &val, sizeof(val))); | |
3200 | break; | |
3201 | ||
8853f86e FB |
3202 | default: |
3203 | goto unimplemented; | |
3204 | } | |
3205 | break; | |
3532fa74 | 3206 | case TARGET_SOL_SOCKET: |
8853f86e | 3207 | switch (optname) { |
1b09aeb9 LV |
3208 | case TARGET_SO_RCVTIMEO: |
3209 | { | |
3210 | struct timeval tv; | |
3211 | ||
3212 | optname = SO_RCVTIMEO; | |
3213 | ||
3214 | set_timeout: | |
3215 | if (optlen != sizeof(struct target_timeval)) { | |
3216 | return -TARGET_EINVAL; | |
3217 | } | |
3218 | ||
3219 | if (copy_from_user_timeval(&tv, optval_addr)) { | |
3220 | return -TARGET_EFAULT; | |
3221 | } | |
3222 | ||
3223 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, | |
3224 | &tv, sizeof(tv))); | |
3225 | return ret; | |
3226 | } | |
3227 | case TARGET_SO_SNDTIMEO: | |
3228 | optname = SO_SNDTIMEO; | |
3229 | goto set_timeout; | |
f57d4192 LV |
3230 | case TARGET_SO_ATTACH_FILTER: |
3231 | { | |
3232 | struct target_sock_fprog *tfprog; | |
3233 | struct target_sock_filter *tfilter; | |
3234 | struct sock_fprog fprog; | |
3235 | struct sock_filter *filter; | |
3236 | int i; | |
3237 | ||
3238 | if (optlen != sizeof(*tfprog)) { | |
3239 | return -TARGET_EINVAL; | |
3240 | } | |
3241 | if (!lock_user_struct(VERIFY_READ, tfprog, optval_addr, 0)) { | |
3242 | return -TARGET_EFAULT; | |
3243 | } | |
3244 | if (!lock_user_struct(VERIFY_READ, tfilter, | |
3245 | tswapal(tfprog->filter), 0)) { | |
3246 | unlock_user_struct(tfprog, optval_addr, 1); | |
3247 | return -TARGET_EFAULT; | |
3248 | } | |
3249 | ||
3250 | fprog.len = tswap16(tfprog->len); | |
0e173b24 | 3251 | filter = g_try_new(struct sock_filter, fprog.len); |
f57d4192 LV |
3252 | if (filter == NULL) { |
3253 | unlock_user_struct(tfilter, tfprog->filter, 1); | |
3254 | unlock_user_struct(tfprog, optval_addr, 1); | |
3255 | return -TARGET_ENOMEM; | |
3256 | } | |
3257 | for (i = 0; i < fprog.len; i++) { | |
3258 | filter[i].code = tswap16(tfilter[i].code); | |
3259 | filter[i].jt = tfilter[i].jt; | |
3260 | filter[i].jf = tfilter[i].jf; | |
3261 | filter[i].k = tswap32(tfilter[i].k); | |
3262 | } | |
3263 | fprog.filter = filter; | |
3264 | ||
3265 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, | |
3266 | SO_ATTACH_FILTER, &fprog, sizeof(fprog))); | |
0e173b24 | 3267 | g_free(filter); |
f57d4192 LV |
3268 | |
3269 | unlock_user_struct(tfilter, tfprog->filter, 1); | |
3270 | unlock_user_struct(tfprog, optval_addr, 1); | |
3271 | return ret; | |
3272 | } | |
451aaf68 JT |
3273 | case TARGET_SO_BINDTODEVICE: |
3274 | { | |
3275 | char *dev_ifname, *addr_ifname; | |
3276 | ||
3277 | if (optlen > IFNAMSIZ - 1) { | |
3278 | optlen = IFNAMSIZ - 1; | |
3279 | } | |
3280 | dev_ifname = lock_user(VERIFY_READ, optval_addr, optlen, 1); | |
3281 | if (!dev_ifname) { | |
3282 | return -TARGET_EFAULT; | |
3283 | } | |
3284 | optname = SO_BINDTODEVICE; | |
3285 | addr_ifname = alloca(IFNAMSIZ); | |
3286 | memcpy(addr_ifname, dev_ifname, optlen); | |
3287 | addr_ifname[optlen] = 0; | |
fad6c58a CG |
3288 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, |
3289 | addr_ifname, optlen)); | |
451aaf68 JT |
3290 | unlock_user (dev_ifname, optval_addr, 0); |
3291 | return ret; | |
3292 | } | |
8853f86e | 3293 | /* Options with 'int' argument. */ |
3532fa74 FB |
3294 | case TARGET_SO_DEBUG: |
3295 | optname = SO_DEBUG; | |
3296 | break; | |
3297 | case TARGET_SO_REUSEADDR: | |
3298 | optname = SO_REUSEADDR; | |
3299 | break; | |
3300 | case TARGET_SO_TYPE: | |
3301 | optname = SO_TYPE; | |
3302 | break; | |
3303 | case TARGET_SO_ERROR: | |
3304 | optname = SO_ERROR; | |
3305 | break; | |
3306 | case TARGET_SO_DONTROUTE: | |
3307 | optname = SO_DONTROUTE; | |
3308 | break; | |
3309 | case TARGET_SO_BROADCAST: | |
3310 | optname = SO_BROADCAST; | |
3311 | break; | |
3312 | case TARGET_SO_SNDBUF: | |
3313 | optname = SO_SNDBUF; | |
3314 | break; | |
d79b6cc4 PB |
3315 | case TARGET_SO_SNDBUFFORCE: |
3316 | optname = SO_SNDBUFFORCE; | |
3317 | break; | |
3532fa74 FB |
3318 | case TARGET_SO_RCVBUF: |
3319 | optname = SO_RCVBUF; | |
3320 | break; | |
d79b6cc4 PB |
3321 | case TARGET_SO_RCVBUFFORCE: |
3322 | optname = SO_RCVBUFFORCE; | |
3323 | break; | |
3532fa74 FB |
3324 | case TARGET_SO_KEEPALIVE: |
3325 | optname = SO_KEEPALIVE; | |
3326 | break; | |
3327 | case TARGET_SO_OOBINLINE: | |
3328 | optname = SO_OOBINLINE; | |
3329 | break; | |
3330 | case TARGET_SO_NO_CHECK: | |
3331 | optname = SO_NO_CHECK; | |
3332 | break; | |
3333 | case TARGET_SO_PRIORITY: | |
3334 | optname = SO_PRIORITY; | |
3335 | break; | |
5e83e8e3 | 3336 | #ifdef SO_BSDCOMPAT |
3532fa74 FB |
3337 | case TARGET_SO_BSDCOMPAT: |
3338 | optname = SO_BSDCOMPAT; | |
3339 | break; | |
5e83e8e3 | 3340 | #endif |
3532fa74 FB |
3341 | case TARGET_SO_PASSCRED: |
3342 | optname = SO_PASSCRED; | |
3343 | break; | |
82d0fe6b PB |
3344 | case TARGET_SO_PASSSEC: |
3345 | optname = SO_PASSSEC; | |
3346 | break; | |
3532fa74 FB |
3347 | case TARGET_SO_TIMESTAMP: |
3348 | optname = SO_TIMESTAMP; | |
3349 | break; | |
3350 | case TARGET_SO_RCVLOWAT: | |
3351 | optname = SO_RCVLOWAT; | |
3352 | break; | |
8853f86e FB |
3353 | default: |
3354 | goto unimplemented; | |
3355 | } | |
3532fa74 | 3356 | if (optlen < sizeof(uint32_t)) |
2f619698 | 3357 | return -TARGET_EINVAL; |
3532fa74 | 3358 | |
2f619698 FB |
3359 | if (get_user_u32(val, optval_addr)) |
3360 | return -TARGET_EFAULT; | |
3532fa74 | 3361 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val))); |
8853f86e | 3362 | break; |
7854b056 | 3363 | default: |
8853f86e | 3364 | unimplemented: |
b2bedb21 | 3365 | gemu_log("Unsupported setsockopt level=%d optname=%d\n", level, optname); |
6fa13c17 | 3366 | ret = -TARGET_ENOPROTOOPT; |
7854b056 | 3367 | } |
8853f86e | 3368 | return ret; |
7854b056 FB |
3369 | } |
3370 | ||
0da46a6e | 3371 | /* do_getsockopt() Must return target values and target errnos. */ |
992f48a0 | 3372 | static abi_long do_getsockopt(int sockfd, int level, int optname, |
2f619698 | 3373 | abi_ulong optval_addr, abi_ulong optlen) |
7854b056 | 3374 | { |
992f48a0 | 3375 | abi_long ret; |
b55266b5 BS |
3376 | int len, val; |
3377 | socklen_t lv; | |
8853f86e FB |
3378 | |
3379 | switch(level) { | |
3532fa74 | 3380 | case TARGET_SOL_SOCKET: |
f3b974cd JL |
3381 | level = SOL_SOCKET; |
3382 | switch (optname) { | |
3383 | /* These don't just return a single integer */ | |
3384 | case TARGET_SO_LINGER: | |
3385 | case TARGET_SO_RCVTIMEO: | |
3386 | case TARGET_SO_SNDTIMEO: | |
f3b974cd JL |
3387 | case TARGET_SO_PEERNAME: |
3388 | goto unimplemented; | |
583359a6 AP |
3389 | case TARGET_SO_PEERCRED: { |
3390 | struct ucred cr; | |
3391 | socklen_t crlen; | |
3392 | struct target_ucred *tcr; | |
3393 | ||
3394 | if (get_user_u32(len, optlen)) { | |
3395 | return -TARGET_EFAULT; | |
3396 | } | |
3397 | if (len < 0) { | |
3398 | return -TARGET_EINVAL; | |
3399 | } | |
3400 | ||
3401 | crlen = sizeof(cr); | |
3402 | ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED, | |
3403 | &cr, &crlen)); | |
3404 | if (ret < 0) { | |
3405 | return ret; | |
3406 | } | |
3407 | if (len > crlen) { | |
3408 | len = crlen; | |
3409 | } | |
3410 | if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) { | |
3411 | return -TARGET_EFAULT; | |
3412 | } | |
3413 | __put_user(cr.pid, &tcr->pid); | |
3414 | __put_user(cr.uid, &tcr->uid); | |
3415 | __put_user(cr.gid, &tcr->gid); | |
3416 | unlock_user_struct(tcr, optval_addr, 1); | |
3417 | if (put_user_u32(len, optlen)) { | |
3418 | return -TARGET_EFAULT; | |
3419 | } | |
3420 | break; | |
3421 | } | |
f3b974cd JL |
3422 | /* Options with 'int' argument. */ |
3423 | case TARGET_SO_DEBUG: | |
3424 | optname = SO_DEBUG; | |
3425 | goto int_case; | |
3426 | case TARGET_SO_REUSEADDR: | |
3427 | optname = SO_REUSEADDR; | |
3428 | goto int_case; | |
3429 | case TARGET_SO_TYPE: | |
3430 | optname = SO_TYPE; | |
3431 | goto int_case; | |
3432 | case TARGET_SO_ERROR: | |
3433 | optname = SO_ERROR; | |
3434 | goto int_case; | |
3435 | case TARGET_SO_DONTROUTE: | |
3436 | optname = SO_DONTROUTE; | |
3437 | goto int_case; | |
3438 | case TARGET_SO_BROADCAST: | |
3439 | optname = SO_BROADCAST; | |
3440 | goto int_case; | |
3441 | case TARGET_SO_SNDBUF: | |
3442 | optname = SO_SNDBUF; | |
3443 | goto int_case; | |
3444 | case TARGET_SO_RCVBUF: | |
3445 | optname = SO_RCVBUF; | |
3446 | goto int_case; | |
3447 | case TARGET_SO_KEEPALIVE: | |
3448 | optname = SO_KEEPALIVE; | |
3449 | goto int_case; | |
3450 | case TARGET_SO_OOBINLINE: | |
3451 | optname = SO_OOBINLINE; | |
3452 | goto int_case; | |
3453 | case TARGET_SO_NO_CHECK: | |
3454 | optname = SO_NO_CHECK; | |
3455 | goto int_case; | |
3456 | case TARGET_SO_PRIORITY: | |
3457 | optname = SO_PRIORITY; | |
3458 | goto int_case; | |
3459 | #ifdef SO_BSDCOMPAT | |
3460 | case TARGET_SO_BSDCOMPAT: | |
3461 | optname = SO_BSDCOMPAT; | |
3462 | goto int_case; | |
3463 | #endif | |
3464 | case TARGET_SO_PASSCRED: | |
3465 | optname = SO_PASSCRED; | |
3466 | goto int_case; | |
3467 | case TARGET_SO_TIMESTAMP: | |
3468 | optname = SO_TIMESTAMP; | |
3469 | goto int_case; | |
3470 | case TARGET_SO_RCVLOWAT: | |
3471 | optname = SO_RCVLOWAT; | |
3472 | goto int_case; | |
aec1ca41 PB |
3473 | case TARGET_SO_ACCEPTCONN: |
3474 | optname = SO_ACCEPTCONN; | |
3475 | goto int_case; | |
8853f86e | 3476 | default: |
2efbe911 FB |
3477 | goto int_case; |
3478 | } | |
3479 | break; | |
3480 | case SOL_TCP: | |
3481 | /* TCP options all take an 'int' value. */ | |
3482 | int_case: | |
2f619698 FB |
3483 | if (get_user_u32(len, optlen)) |
3484 | return -TARGET_EFAULT; | |
2efbe911 | 3485 | if (len < 0) |
0da46a6e | 3486 | return -TARGET_EINVAL; |
73160d95 | 3487 | lv = sizeof(lv); |
2efbe911 FB |
3488 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
3489 | if (ret < 0) | |
3490 | return ret; | |
8289d112 PB |
3491 | if (optname == SO_TYPE) { |
3492 | val = host_to_target_sock_type(val); | |
3493 | } | |
2efbe911 FB |
3494 | if (len > lv) |
3495 | len = lv; | |
2f619698 FB |
3496 | if (len == 4) { |
3497 | if (put_user_u32(val, optval_addr)) | |
3498 | return -TARGET_EFAULT; | |
3499 | } else { | |
3500 | if (put_user_u8(val, optval_addr)) | |
3501 | return -TARGET_EFAULT; | |
f3b974cd | 3502 | } |
2f619698 FB |
3503 | if (put_user_u32(len, optlen)) |
3504 | return -TARGET_EFAULT; | |
2efbe911 FB |
3505 | break; |
3506 | case SOL_IP: | |
3507 | switch(optname) { | |
3508 | case IP_TOS: | |
3509 | case IP_TTL: | |
3510 | case IP_HDRINCL: | |
3511 | case IP_ROUTER_ALERT: | |
3512 | case IP_RECVOPTS: | |
3513 | case IP_RETOPTS: | |
3514 | case IP_PKTINFO: | |
3515 | case IP_MTU_DISCOVER: | |
3516 | case IP_RECVERR: | |
3517 | case IP_RECVTOS: | |
3518 | #ifdef IP_FREEBIND | |
3519 | case IP_FREEBIND: | |
3520 | #endif | |
3521 | case IP_MULTICAST_TTL: | |
3522 | case IP_MULTICAST_LOOP: | |
2f619698 FB |
3523 | if (get_user_u32(len, optlen)) |
3524 | return -TARGET_EFAULT; | |
8853f86e | 3525 | if (len < 0) |
0da46a6e | 3526 | return -TARGET_EINVAL; |
73160d95 | 3527 | lv = sizeof(lv); |
8853f86e FB |
3528 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
3529 | if (ret < 0) | |
3530 | return ret; | |
2efbe911 | 3531 | if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { |
2efbe911 | 3532 | len = 1; |
2f619698 FB |
3533 | if (put_user_u32(len, optlen) |
3534 | || put_user_u8(val, optval_addr)) | |
3535 | return -TARGET_EFAULT; | |
2efbe911 | 3536 | } else { |
2efbe911 FB |
3537 | if (len > sizeof(int)) |
3538 | len = sizeof(int); | |
2f619698 FB |
3539 | if (put_user_u32(len, optlen) |
3540 | || put_user_u32(val, optval_addr)) | |
3541 | return -TARGET_EFAULT; | |
2efbe911 | 3542 | } |
8853f86e | 3543 | break; |
2efbe911 | 3544 | default: |
c02f499e TS |
3545 | ret = -TARGET_ENOPROTOOPT; |
3546 | break; | |
8853f86e FB |
3547 | } |
3548 | break; | |
3549 | default: | |
3550 | unimplemented: | |
3551 | gemu_log("getsockopt level=%d optname=%d not yet supported\n", | |
3552 | level, optname); | |
c02f499e | 3553 | ret = -TARGET_EOPNOTSUPP; |
8853f86e FB |
3554 | break; |
3555 | } | |
3556 | return ret; | |
7854b056 FB |
3557 | } |
3558 | ||
9ac22517 MF |
3559 | /* Convert target low/high pair representing file offset into the host |
3560 | * low/high pair. This function doesn't handle offsets bigger than 64 bits | |
3561 | * as the kernel doesn't handle them either. | |
3562 | */ | |
3563 | static void target_to_host_low_high(abi_ulong tlow, | |
3564 | abi_ulong thigh, | |
3565 | unsigned long *hlow, | |
3566 | unsigned long *hhigh) | |
3567 | { | |
3568 | uint64_t off = tlow | | |
3569 | ((unsigned long long)thigh << TARGET_LONG_BITS / 2) << | |
3570 | TARGET_LONG_BITS / 2; | |
3571 | ||
3572 | *hlow = off; | |
3573 | *hhigh = (off >> HOST_LONG_BITS / 2) >> HOST_LONG_BITS / 2; | |
3574 | } | |
3575 | ||
f287b2c2 | 3576 | static struct iovec *lock_iovec(int type, abi_ulong target_addr, |
dab32b32 | 3577 | abi_ulong count, int copy) |
53a5960a PB |
3578 | { |
3579 | struct target_iovec *target_vec; | |
f287b2c2 RH |
3580 | struct iovec *vec; |
3581 | abi_ulong total_len, max_len; | |
d732dcb4 | 3582 | int i; |
501bb4b0 | 3583 | int err = 0; |
29560a6c | 3584 | bool bad_address = false; |
53a5960a | 3585 | |
f287b2c2 RH |
3586 | if (count == 0) { |
3587 | errno = 0; | |
3588 | return NULL; | |
3589 | } | |
dab32b32 | 3590 | if (count > IOV_MAX) { |
f287b2c2 RH |
3591 | errno = EINVAL; |
3592 | return NULL; | |
3593 | } | |
3594 | ||
0e173b24 | 3595 | vec = g_try_new0(struct iovec, count); |
f287b2c2 RH |
3596 | if (vec == NULL) { |
3597 | errno = ENOMEM; | |
3598 | return NULL; | |
3599 | } | |
3600 | ||
3601 | target_vec = lock_user(VERIFY_READ, target_addr, | |
3602 | count * sizeof(struct target_iovec), 1); | |
3603 | if (target_vec == NULL) { | |
501bb4b0 | 3604 | err = EFAULT; |
f287b2c2 RH |
3605 | goto fail2; |
3606 | } | |
3607 | ||
3608 | /* ??? If host page size > target page size, this will result in a | |
3609 | value larger than what we can actually support. */ | |
3610 | max_len = 0x7fffffff & TARGET_PAGE_MASK; | |
3611 | total_len = 0; | |
3612 | ||
3613 | for (i = 0; i < count; i++) { | |
3614 | abi_ulong base = tswapal(target_vec[i].iov_base); | |
3615 | abi_long len = tswapal(target_vec[i].iov_len); | |
3616 | ||
3617 | if (len < 0) { | |
501bb4b0 | 3618 | err = EINVAL; |
f287b2c2 RH |
3619 | goto fail; |
3620 | } else if (len == 0) { | |
3621 | /* Zero length pointer is ignored. */ | |
3622 | vec[i].iov_base = 0; | |
41df8411 | 3623 | } else { |
f287b2c2 | 3624 | vec[i].iov_base = lock_user(type, base, len, copy); |
29560a6c TM |
3625 | /* If the first buffer pointer is bad, this is a fault. But |
3626 | * subsequent bad buffers will result in a partial write; this | |
3627 | * is realized by filling the vector with null pointers and | |
3628 | * zero lengths. */ | |
f287b2c2 | 3629 | if (!vec[i].iov_base) { |
29560a6c TM |
3630 | if (i == 0) { |
3631 | err = EFAULT; | |
3632 | goto fail; | |
3633 | } else { | |
3634 | bad_address = true; | |
3635 | } | |
3636 | } | |
3637 | if (bad_address) { | |
3638 | len = 0; | |
f287b2c2 RH |
3639 | } |
3640 | if (len > max_len - total_len) { | |
3641 | len = max_len - total_len; | |
3642 | } | |
41df8411 | 3643 | } |
f287b2c2 RH |
3644 | vec[i].iov_len = len; |
3645 | total_len += len; | |
579a97f7 | 3646 | } |
f287b2c2 RH |
3647 | |
3648 | unlock_user(target_vec, target_addr, 0); | |
3649 | return vec; | |
3650 | ||
3651 | fail: | |
7eff518b CG |
3652 | while (--i >= 0) { |
3653 | if (tswapal(target_vec[i].iov_len) > 0) { | |
3654 | unlock_user(vec[i].iov_base, tswapal(target_vec[i].iov_base), 0); | |
3655 | } | |
3656 | } | |
f287b2c2 | 3657 | unlock_user(target_vec, target_addr, 0); |
501bb4b0 | 3658 | fail2: |
0e173b24 | 3659 | g_free(vec); |
501bb4b0 | 3660 | errno = err; |
f287b2c2 | 3661 | return NULL; |
53a5960a PB |
3662 | } |
3663 | ||
f287b2c2 | 3664 | static void unlock_iovec(struct iovec *vec, abi_ulong target_addr, |
dab32b32 | 3665 | abi_ulong count, int copy) |
53a5960a PB |
3666 | { |
3667 | struct target_iovec *target_vec; | |
53a5960a PB |
3668 | int i; |
3669 | ||
f287b2c2 RH |
3670 | target_vec = lock_user(VERIFY_READ, target_addr, |
3671 | count * sizeof(struct target_iovec), 1); | |
3672 | if (target_vec) { | |
3673 | for (i = 0; i < count; i++) { | |
3674 | abi_ulong base = tswapal(target_vec[i].iov_base); | |
71ec7cef | 3675 | abi_long len = tswapal(target_vec[i].iov_len); |
f287b2c2 RH |
3676 | if (len < 0) { |
3677 | break; | |
3678 | } | |
d732dcb4 AZ |
3679 | unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0); |
3680 | } | |
f287b2c2 | 3681 | unlock_user(target_vec, target_addr, 0); |
53a5960a | 3682 | } |
579a97f7 | 3683 | |
0e173b24 | 3684 | g_free(vec); |
53a5960a PB |
3685 | } |
3686 | ||
53d09b76 | 3687 | static inline int target_to_host_sock_type(int *type) |
3532fa74 | 3688 | { |
f651e6ae PJ |
3689 | int host_type = 0; |
3690 | int target_type = *type; | |
3691 | ||
3692 | switch (target_type & TARGET_SOCK_TYPE_MASK) { | |
3532fa74 | 3693 | case TARGET_SOCK_DGRAM: |
f651e6ae | 3694 | host_type = SOCK_DGRAM; |
3532fa74 FB |
3695 | break; |
3696 | case TARGET_SOCK_STREAM: | |
f651e6ae | 3697 | host_type = SOCK_STREAM; |
3532fa74 | 3698 | break; |
f651e6ae PJ |
3699 | default: |
3700 | host_type = target_type & TARGET_SOCK_TYPE_MASK; | |
3532fa74 FB |
3701 | break; |
3702 | } | |
f651e6ae | 3703 | if (target_type & TARGET_SOCK_CLOEXEC) { |
53d09b76 | 3704 | #if defined(SOCK_CLOEXEC) |
f651e6ae | 3705 | host_type |= SOCK_CLOEXEC; |
53d09b76 EI |
3706 | #else |
3707 | return -TARGET_EINVAL; | |
3708 | #endif | |
f651e6ae PJ |
3709 | } |
3710 | if (target_type & TARGET_SOCK_NONBLOCK) { | |
53d09b76 | 3711 | #if defined(SOCK_NONBLOCK) |
f651e6ae | 3712 | host_type |= SOCK_NONBLOCK; |
53d09b76 EI |
3713 | #elif !defined(O_NONBLOCK) |
3714 | return -TARGET_EINVAL; | |
3715 | #endif | |
f651e6ae PJ |
3716 | } |
3717 | *type = host_type; | |
53d09b76 EI |
3718 | return 0; |
3719 | } | |
3720 | ||
3721 | /* Try to emulate socket type flags after socket creation. */ | |
3722 | static int sock_flags_fixup(int fd, int target_type) | |
3723 | { | |
3724 | #if !defined(SOCK_NONBLOCK) && defined(O_NONBLOCK) | |
3725 | if (target_type & TARGET_SOCK_NONBLOCK) { | |
3726 | int flags = fcntl(fd, F_GETFL); | |
3727 | if (fcntl(fd, F_SETFL, O_NONBLOCK | flags) == -1) { | |
3728 | close(fd); | |
3729 | return -TARGET_EINVAL; | |
3730 | } | |
3731 | } | |
3732 | #endif | |
3733 | return fd; | |
f651e6ae PJ |
3734 | } |
3735 | ||
0cf22722 LV |
3736 | static abi_long packet_target_to_host_sockaddr(void *host_addr, |
3737 | abi_ulong target_addr, | |
3738 | socklen_t len) | |
3739 | { | |
3740 | struct sockaddr *addr = host_addr; | |
3741 | struct target_sockaddr *target_saddr; | |
3742 | ||
3743 | target_saddr = lock_user(VERIFY_READ, target_addr, len, 1); | |
3744 | if (!target_saddr) { | |
3745 | return -TARGET_EFAULT; | |
3746 | } | |
3747 | ||
3748 | memcpy(addr, target_saddr, len); | |
3749 | addr->sa_family = tswap16(target_saddr->sa_family); | |
3750 | /* spkt_protocol is big-endian */ | |
3751 | ||
3752 | unlock_user(target_saddr, target_addr, 0); | |
3753 | return 0; | |
3754 | } | |
3755 | ||
3756 | static TargetFdTrans target_packet_trans = { | |
3757 | .target_to_host_addr = packet_target_to_host_sockaddr, | |
3758 | }; | |
3759 | ||
575b22b1 | 3760 | #ifdef CONFIG_RTNETLINK |
6c5b5645 LV |
3761 | static abi_long netlink_route_target_to_host(void *buf, size_t len) |
3762 | { | |
ef759f6f LV |
3763 | abi_long ret; |
3764 | ||
3765 | ret = target_to_host_nlmsg_route(buf, len); | |
3766 | if (ret < 0) { | |
3767 | return ret; | |
3768 | } | |
3769 | ||
3770 | return len; | |
6c5b5645 LV |
3771 | } |
3772 | ||
3773 | static abi_long netlink_route_host_to_target(void *buf, size_t len) | |
3774 | { | |
ef759f6f LV |
3775 | abi_long ret; |
3776 | ||
3777 | ret = host_to_target_nlmsg_route(buf, len); | |
3778 | if (ret < 0) { | |
3779 | return ret; | |
3780 | } | |
3781 | ||
3782 | return len; | |
6c5b5645 LV |
3783 | } |
3784 | ||
3785 | static TargetFdTrans target_netlink_route_trans = { | |
3786 | .target_to_host_data = netlink_route_target_to_host, | |
3787 | .host_to_target_data = netlink_route_host_to_target, | |
3788 | }; | |
575b22b1 | 3789 | #endif /* CONFIG_RTNETLINK */ |
6c5b5645 | 3790 | |
5ce9bb59 LV |
3791 | static abi_long netlink_audit_target_to_host(void *buf, size_t len) |
3792 | { | |
ef759f6f LV |
3793 | abi_long ret; |
3794 | ||
3795 | ret = target_to_host_nlmsg_audit(buf, len); | |
3796 | if (ret < 0) { | |
3797 | return ret; | |
3798 | } | |
3799 | ||
3800 | return len; | |
5ce9bb59 LV |
3801 | } |
3802 | ||
3803 | static abi_long netlink_audit_host_to_target(void *buf, size_t len) | |
3804 | { | |
ef759f6f LV |
3805 | abi_long ret; |
3806 | ||
3807 | ret = host_to_target_nlmsg_audit(buf, len); | |
3808 | if (ret < 0) { | |
3809 | return ret; | |
3810 | } | |
3811 | ||
3812 | return len; | |
5ce9bb59 LV |
3813 | } |
3814 | ||
3815 | static TargetFdTrans target_netlink_audit_trans = { | |
3816 | .target_to_host_data = netlink_audit_target_to_host, | |
3817 | .host_to_target_data = netlink_audit_host_to_target, | |
3818 | }; | |
3819 | ||
f651e6ae PJ |
3820 | /* do_socket() Must return target values and target errnos. */ |
3821 | static abi_long do_socket(int domain, int type, int protocol) | |
3822 | { | |
53d09b76 EI |
3823 | int target_type = type; |
3824 | int ret; | |
3825 | ||
3826 | ret = target_to_host_sock_type(&type); | |
3827 | if (ret) { | |
3828 | return ret; | |
3829 | } | |
f651e6ae | 3830 | |
575b22b1 LV |
3831 | if (domain == PF_NETLINK && !( |
3832 | #ifdef CONFIG_RTNETLINK | |
3833 | protocol == NETLINK_ROUTE || | |
3834 | #endif | |
3835 | protocol == NETLINK_KOBJECT_UEVENT || | |
3836 | protocol == NETLINK_AUDIT)) { | |
6c5b5645 LV |
3837 | return -EPFNOSUPPORT; |
3838 | } | |
ff626f2d LV |
3839 | |
3840 | if (domain == AF_PACKET || | |
3841 | (domain == AF_INET && type == SOCK_PACKET)) { | |
3842 | protocol = tswap16(protocol); | |
3843 | } | |
3844 | ||
53d09b76 EI |
3845 | ret = get_errno(socket(domain, type, protocol)); |
3846 | if (ret >= 0) { | |
3847 | ret = sock_flags_fixup(ret, target_type); | |
0cf22722 LV |
3848 | if (type == SOCK_PACKET) { |
3849 | /* Manage an obsolete case : | |
3850 | * if socket type is SOCK_PACKET, bind by name | |
3851 | */ | |
3852 | fd_trans_register(ret, &target_packet_trans); | |
6c5b5645 LV |
3853 | } else if (domain == PF_NETLINK) { |
3854 | switch (protocol) { | |
575b22b1 | 3855 | #ifdef CONFIG_RTNETLINK |
6c5b5645 LV |
3856 | case NETLINK_ROUTE: |
3857 | fd_trans_register(ret, &target_netlink_route_trans); | |
3858 | break; | |
575b22b1 | 3859 | #endif |
b265620b LV |
3860 | case NETLINK_KOBJECT_UEVENT: |
3861 | /* nothing to do: messages are strings */ | |
3862 | break; | |
5ce9bb59 LV |
3863 | case NETLINK_AUDIT: |
3864 | fd_trans_register(ret, &target_netlink_audit_trans); | |
3865 | break; | |
6c5b5645 LV |
3866 | default: |
3867 | g_assert_not_reached(); | |
3868 | } | |
0cf22722 | 3869 | } |
53d09b76 EI |
3870 | } |
3871 | return ret; | |
3532fa74 FB |
3872 | } |
3873 | ||
0da46a6e | 3874 | /* do_bind() Must return target values and target errnos. */ |
992f48a0 BS |
3875 | static abi_long do_bind(int sockfd, abi_ulong target_addr, |
3876 | socklen_t addrlen) | |
3532fa74 | 3877 | { |
8f7aeaf6 | 3878 | void *addr; |
917507b0 | 3879 | abi_long ret; |
8f7aeaf6 | 3880 | |
38724253 | 3881 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3882 | return -TARGET_EINVAL; |
38724253 | 3883 | } |
8f7aeaf6 | 3884 | |
607175e0 | 3885 | addr = alloca(addrlen+1); |
3b46e624 | 3886 | |
7b36f782 | 3887 | ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen); |
917507b0 AP |
3888 | if (ret) |
3889 | return ret; | |
3890 | ||
3532fa74 FB |
3891 | return get_errno(bind(sockfd, addr, addrlen)); |
3892 | } | |
3893 | ||
0da46a6e | 3894 | /* do_connect() Must return target values and target errnos. */ |
992f48a0 BS |
3895 | static abi_long do_connect(int sockfd, abi_ulong target_addr, |
3896 | socklen_t addrlen) | |
3532fa74 | 3897 | { |
8f7aeaf6 | 3898 | void *addr; |
917507b0 | 3899 | abi_long ret; |
8f7aeaf6 | 3900 | |
38724253 | 3901 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3902 | return -TARGET_EINVAL; |
38724253 | 3903 | } |
8f7aeaf6 | 3904 | |
2dd08dfd | 3905 | addr = alloca(addrlen+1); |
3b46e624 | 3906 | |
7b36f782 | 3907 | ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen); |
917507b0 AP |
3908 | if (ret) |
3909 | return ret; | |
3910 | ||
2a3c7619 | 3911 | return get_errno(safe_connect(sockfd, addr, addrlen)); |
3532fa74 FB |
3912 | } |
3913 | ||
f19e00d7 AG |
3914 | /* do_sendrecvmsg_locked() Must return target values and target errnos. */ |
3915 | static abi_long do_sendrecvmsg_locked(int fd, struct target_msghdr *msgp, | |
3916 | int flags, int send) | |
3532fa74 | 3917 | { |
6de645c7 | 3918 | abi_long ret, len; |
3532fa74 | 3919 | struct msghdr msg; |
dab32b32 | 3920 | abi_ulong count; |
3532fa74 | 3921 | struct iovec *vec; |
992f48a0 | 3922 | abi_ulong target_vec; |
3532fa74 | 3923 | |
3532fa74 FB |
3924 | if (msgp->msg_name) { |
3925 | msg.msg_namelen = tswap32(msgp->msg_namelen); | |
2dd08dfd | 3926 | msg.msg_name = alloca(msg.msg_namelen+1); |
7b36f782 LV |
3927 | ret = target_to_host_sockaddr(fd, msg.msg_name, |
3928 | tswapal(msgp->msg_name), | |
3929 | msg.msg_namelen); | |
26a6fc96 PM |
3930 | if (ret == -TARGET_EFAULT) { |
3931 | /* For connected sockets msg_name and msg_namelen must | |
3932 | * be ignored, so returning EFAULT immediately is wrong. | |
3933 | * Instead, pass a bad msg_name to the host kernel, and | |
3934 | * let it decide whether to return EFAULT or not. | |
3935 | */ | |
3936 | msg.msg_name = (void *)-1; | |
3937 | } else if (ret) { | |
f287b2c2 | 3938 | goto out2; |
917507b0 | 3939 | } |
3532fa74 FB |
3940 | } else { |
3941 | msg.msg_name = NULL; | |
3942 | msg.msg_namelen = 0; | |
3943 | } | |
cbb21eed | 3944 | msg.msg_controllen = 2 * tswapal(msgp->msg_controllen); |
3532fa74 | 3945 | msg.msg_control = alloca(msg.msg_controllen); |
1d3d1b23 JS |
3946 | memset(msg.msg_control, 0, msg.msg_controllen); |
3947 | ||
3532fa74 | 3948 | msg.msg_flags = tswap32(msgp->msg_flags); |
3b46e624 | 3949 | |
cbb21eed | 3950 | count = tswapal(msgp->msg_iovlen); |
cbb21eed | 3951 | target_vec = tswapal(msgp->msg_iov); |
97b07970 PM |
3952 | |
3953 | if (count > IOV_MAX) { | |
3954 | /* sendrcvmsg returns a different errno for this condition than | |
3955 | * readv/writev, so we must catch it here before lock_iovec() does. | |
3956 | */ | |
3957 | ret = -TARGET_EMSGSIZE; | |
3958 | goto out2; | |
3959 | } | |
3960 | ||
f287b2c2 RH |
3961 | vec = lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, |
3962 | target_vec, count, send); | |
3963 | if (vec == NULL) { | |
3964 | ret = -host_to_target_errno(errno); | |
3965 | goto out2; | |
3966 | } | |
3532fa74 FB |
3967 | msg.msg_iovlen = count; |
3968 | msg.msg_iov = vec; | |
3b46e624 | 3969 | |
3532fa74 | 3970 | if (send) { |
6c5b5645 | 3971 | if (fd_trans_target_to_host_data(fd)) { |
7d61d892 LV |
3972 | void *host_msg; |
3973 | ||
3974 | host_msg = g_malloc(msg.msg_iov->iov_len); | |
3975 | memcpy(host_msg, msg.msg_iov->iov_base, msg.msg_iov->iov_len); | |
3976 | ret = fd_trans_target_to_host_data(fd)(host_msg, | |
6c5b5645 | 3977 | msg.msg_iov->iov_len); |
7d61d892 LV |
3978 | if (ret >= 0) { |
3979 | msg.msg_iov->iov_base = host_msg; | |
3980 | ret = get_errno(safe_sendmsg(fd, &msg, flags)); | |
3981 | } | |
3982 | g_free(host_msg); | |
6c5b5645 LV |
3983 | } else { |
3984 | ret = target_to_host_cmsg(&msg, msgp); | |
7d61d892 LV |
3985 | if (ret == 0) { |
3986 | ret = get_errno(safe_sendmsg(fd, &msg, flags)); | |
3987 | } | |
6c5b5645 | 3988 | } |
3532fa74 | 3989 | } else { |
66687530 | 3990 | ret = get_errno(safe_recvmsg(fd, &msg, flags)); |
6de645c7 AZ |
3991 | if (!is_error(ret)) { |
3992 | len = ret; | |
6c5b5645 LV |
3993 | if (fd_trans_host_to_target_data(fd)) { |
3994 | ret = fd_trans_host_to_target_data(fd)(msg.msg_iov->iov_base, | |
2a03d3e6 | 3995 | MIN(msg.msg_iov->iov_len, len)); |
6c5b5645 LV |
3996 | } else { |
3997 | ret = host_to_target_cmsg(msgp, &msg); | |
3998 | } | |
ca619067 JH |
3999 | if (!is_error(ret)) { |
4000 | msgp->msg_namelen = tswap32(msg.msg_namelen); | |
26a6fc96 | 4001 | if (msg.msg_name != NULL && msg.msg_name != (void *)-1) { |
ca619067 JH |
4002 | ret = host_to_target_sockaddr(tswapal(msgp->msg_name), |
4003 | msg.msg_name, msg.msg_namelen); | |
4004 | if (ret) { | |
4005 | goto out; | |
4006 | } | |
4007 | } | |
4008 | ||
6de645c7 | 4009 | ret = len; |
ca619067 | 4010 | } |
6de645c7 | 4011 | } |
3532fa74 | 4012 | } |
ca619067 JH |
4013 | |
4014 | out: | |
3532fa74 | 4015 | unlock_iovec(vec, target_vec, count, !send); |
f287b2c2 | 4016 | out2: |
f19e00d7 AG |
4017 | return ret; |
4018 | } | |
4019 | ||
4020 | static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg, | |
4021 | int flags, int send) | |
4022 | { | |
4023 | abi_long ret; | |
4024 | struct target_msghdr *msgp; | |
4025 | ||
4026 | if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE, | |
4027 | msgp, | |
4028 | target_msg, | |
4029 | send ? 1 : 0)) { | |
4030 | return -TARGET_EFAULT; | |
4031 | } | |
4032 | ret = do_sendrecvmsg_locked(fd, msgp, flags, send); | |
579a97f7 | 4033 | unlock_user_struct(msgp, target_msg, send ? 0 : 1); |
3532fa74 FB |
4034 | return ret; |
4035 | } | |
4036 | ||
f19e00d7 AG |
4037 | /* We don't rely on the C library to have sendmmsg/recvmmsg support, |
4038 | * so it might not have this *mmsg-specific flag either. | |
4039 | */ | |
4040 | #ifndef MSG_WAITFORONE | |
4041 | #define MSG_WAITFORONE 0x10000 | |
4042 | #endif | |
4043 | ||
4044 | static abi_long do_sendrecvmmsg(int fd, abi_ulong target_msgvec, | |
4045 | unsigned int vlen, unsigned int flags, | |
4046 | int send) | |
4047 | { | |
4048 | struct target_mmsghdr *mmsgp; | |
4049 | abi_long ret = 0; | |
4050 | int i; | |
4051 | ||
4052 | if (vlen > UIO_MAXIOV) { | |
4053 | vlen = UIO_MAXIOV; | |
4054 | } | |
4055 | ||
4056 | mmsgp = lock_user(VERIFY_WRITE, target_msgvec, sizeof(*mmsgp) * vlen, 1); | |
4057 | if (!mmsgp) { | |
4058 | return -TARGET_EFAULT; | |
4059 | } | |
4060 | ||
4061 | for (i = 0; i < vlen; i++) { | |
4062 | ret = do_sendrecvmsg_locked(fd, &mmsgp[i].msg_hdr, flags, send); | |
4063 | if (is_error(ret)) { | |
4064 | break; | |
4065 | } | |
4066 | mmsgp[i].msg_len = tswap32(ret); | |
4067 | /* MSG_WAITFORONE turns on MSG_DONTWAIT after one packet */ | |
4068 | if (flags & MSG_WAITFORONE) { | |
4069 | flags |= MSG_DONTWAIT; | |
4070 | } | |
4071 | } | |
4072 | ||
4073 | unlock_user(mmsgp, target_msgvec, sizeof(*mmsgp) * i); | |
4074 | ||
4075 | /* Return number of datagrams sent if we sent any at all; | |
4076 | * otherwise return the error. | |
4077 | */ | |
4078 | if (i) { | |
4079 | return i; | |
4080 | } | |
4081 | return ret; | |
4082 | } | |
f19e00d7 | 4083 | |
a94b4987 PM |
4084 | /* do_accept4() Must return target values and target errnos. */ |
4085 | static abi_long do_accept4(int fd, abi_ulong target_addr, | |
4086 | abi_ulong target_addrlen_addr, int flags) | |
1be9e1dc | 4087 | { |
2f619698 FB |
4088 | socklen_t addrlen; |
4089 | void *addr; | |
992f48a0 | 4090 | abi_long ret; |
d25295d4 PJ |
4091 | int host_flags; |
4092 | ||
4093 | host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl); | |
1be9e1dc | 4094 | |
a94b4987 | 4095 | if (target_addr == 0) { |
ff6dc130 | 4096 | return get_errno(safe_accept4(fd, NULL, NULL, host_flags)); |
a94b4987 | 4097 | } |
917507b0 AP |
4098 | |
4099 | /* linux returns EINVAL if addrlen pointer is invalid */ | |
2f619698 | 4100 | if (get_user_u32(addrlen, target_addrlen_addr)) |
917507b0 | 4101 | return -TARGET_EINVAL; |
2f619698 | 4102 | |
38724253 | 4103 | if ((int)addrlen < 0) { |
8f7aeaf6 | 4104 | return -TARGET_EINVAL; |
38724253 | 4105 | } |
8f7aeaf6 | 4106 | |
917507b0 AP |
4107 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
4108 | return -TARGET_EINVAL; | |
4109 | ||
2f619698 FB |
4110 | addr = alloca(addrlen); |
4111 | ||
ff6dc130 | 4112 | ret = get_errno(safe_accept4(fd, addr, &addrlen, host_flags)); |
1be9e1dc PB |
4113 | if (!is_error(ret)) { |
4114 | host_to_target_sockaddr(target_addr, addr, addrlen); | |
2f619698 FB |
4115 | if (put_user_u32(addrlen, target_addrlen_addr)) |
4116 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
4117 | } |
4118 | return ret; | |
4119 | } | |
4120 | ||
0da46a6e | 4121 | /* do_getpeername() Must return target values and target errnos. */ |
992f48a0 | 4122 | static abi_long do_getpeername(int fd, abi_ulong target_addr, |
2f619698 | 4123 | abi_ulong target_addrlen_addr) |
1be9e1dc | 4124 | { |
2f619698 FB |
4125 | socklen_t addrlen; |
4126 | void *addr; | |
992f48a0 | 4127 | abi_long ret; |
1be9e1dc | 4128 | |
2f619698 FB |
4129 | if (get_user_u32(addrlen, target_addrlen_addr)) |
4130 | return -TARGET_EFAULT; | |
4131 | ||
38724253 | 4132 | if ((int)addrlen < 0) { |
8f7aeaf6 | 4133 | return -TARGET_EINVAL; |
38724253 | 4134 | } |
8f7aeaf6 | 4135 | |
917507b0 AP |
4136 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
4137 | return -TARGET_EFAULT; | |
4138 | ||
2f619698 FB |
4139 | addr = alloca(addrlen); |
4140 | ||
1be9e1dc PB |
4141 | ret = get_errno(getpeername(fd, addr, &addrlen)); |
4142 | if (!is_error(ret)) { | |
4143 | host_to_target_sockaddr(target_addr, addr, addrlen); | |
2f619698 FB |
4144 | if (put_user_u32(addrlen, target_addrlen_addr)) |
4145 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
4146 | } |
4147 | return ret; | |
4148 | } | |
4149 | ||
0da46a6e | 4150 | /* do_getsockname() Must return target values and target errnos. */ |
992f48a0 | 4151 | static abi_long do_getsockname(int fd, abi_ulong target_addr, |
2f619698 | 4152 | abi_ulong target_addrlen_addr) |
1be9e1dc | 4153 | { |
2f619698 FB |
4154 | socklen_t addrlen; |
4155 | void *addr; | |
992f48a0 | 4156 | abi_long ret; |
1be9e1dc | 4157 | |
2f619698 FB |
4158 | if (get_user_u32(addrlen, target_addrlen_addr)) |
4159 | return -TARGET_EFAULT; | |
4160 | ||
38724253 | 4161 | if ((int)addrlen < 0) { |
8f7aeaf6 | 4162 | return -TARGET_EINVAL; |
38724253 | 4163 | } |
8f7aeaf6 | 4164 | |
917507b0 AP |
4165 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
4166 | return -TARGET_EFAULT; | |
4167 | ||
2f619698 FB |
4168 | addr = alloca(addrlen); |
4169 | ||
1be9e1dc PB |
4170 | ret = get_errno(getsockname(fd, addr, &addrlen)); |
4171 | if (!is_error(ret)) { | |
4172 | host_to_target_sockaddr(target_addr, addr, addrlen); | |
2f619698 FB |
4173 | if (put_user_u32(addrlen, target_addrlen_addr)) |
4174 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
4175 | } |
4176 | return ret; | |
4177 | } | |
4178 | ||
0da46a6e | 4179 | /* do_socketpair() Must return target values and target errnos. */ |
992f48a0 | 4180 | static abi_long do_socketpair(int domain, int type, int protocol, |
2f619698 | 4181 | abi_ulong target_tab_addr) |
1be9e1dc PB |
4182 | { |
4183 | int tab[2]; | |
992f48a0 | 4184 | abi_long ret; |
1be9e1dc | 4185 | |
f651e6ae PJ |
4186 | target_to_host_sock_type(&type); |
4187 | ||
1be9e1dc PB |
4188 | ret = get_errno(socketpair(domain, type, protocol, tab)); |
4189 | if (!is_error(ret)) { | |
2f619698 FB |
4190 | if (put_user_s32(tab[0], target_tab_addr) |
4191 | || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0]))) | |
4192 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
4193 | } |
4194 | return ret; | |
4195 | } | |
4196 | ||
0da46a6e | 4197 | /* do_sendto() Must return target values and target errnos. */ |
992f48a0 BS |
4198 | static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags, |
4199 | abi_ulong target_addr, socklen_t addrlen) | |
1be9e1dc PB |
4200 | { |
4201 | void *addr; | |
4202 | void *host_msg; | |
7d61d892 | 4203 | void *copy_msg = NULL; |
992f48a0 | 4204 | abi_long ret; |
1be9e1dc | 4205 | |
38724253 | 4206 | if ((int)addrlen < 0) { |
8f7aeaf6 | 4207 | return -TARGET_EINVAL; |
38724253 | 4208 | } |
8f7aeaf6 | 4209 | |
579a97f7 FB |
4210 | host_msg = lock_user(VERIFY_READ, msg, len, 1); |
4211 | if (!host_msg) | |
4212 | return -TARGET_EFAULT; | |
6c5b5645 | 4213 | if (fd_trans_target_to_host_data(fd)) { |
7d61d892 LV |
4214 | copy_msg = host_msg; |
4215 | host_msg = g_malloc(len); | |
4216 | memcpy(host_msg, copy_msg, len); | |
6c5b5645 LV |
4217 | ret = fd_trans_target_to_host_data(fd)(host_msg, len); |
4218 | if (ret < 0) { | |
7d61d892 | 4219 | goto fail; |
6c5b5645 LV |
4220 | } |
4221 | } | |
1be9e1dc | 4222 | if (target_addr) { |
2dd08dfd | 4223 | addr = alloca(addrlen+1); |
7b36f782 | 4224 | ret = target_to_host_sockaddr(fd, addr, target_addr, addrlen); |
917507b0 | 4225 | if (ret) { |
7d61d892 | 4226 | goto fail; |
917507b0 | 4227 | } |
66687530 | 4228 | ret = get_errno(safe_sendto(fd, host_msg, len, flags, addr, addrlen)); |
1be9e1dc | 4229 | } else { |
66687530 | 4230 | ret = get_errno(safe_sendto(fd, host_msg, len, flags, NULL, 0)); |
1be9e1dc | 4231 | } |
7d61d892 LV |
4232 | fail: |
4233 | if (copy_msg) { | |
4234 | g_free(host_msg); | |
4235 | host_msg = copy_msg; | |
4236 | } | |
1be9e1dc PB |
4237 | unlock_user(host_msg, msg, 0); |
4238 | return ret; | |
4239 | } | |
4240 | ||
0da46a6e | 4241 | /* do_recvfrom() Must return target values and target errnos. */ |
992f48a0 BS |
4242 | static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags, |
4243 | abi_ulong target_addr, | |
4244 | abi_ulong target_addrlen) | |
1be9e1dc PB |
4245 | { |
4246 | socklen_t addrlen; | |
4247 | void *addr; | |
4248 | void *host_msg; | |
992f48a0 | 4249 | abi_long ret; |
1be9e1dc | 4250 | |
579a97f7 FB |
4251 | host_msg = lock_user(VERIFY_WRITE, msg, len, 0); |
4252 | if (!host_msg) | |
4253 | return -TARGET_EFAULT; | |
1be9e1dc | 4254 | if (target_addr) { |
2f619698 FB |
4255 | if (get_user_u32(addrlen, target_addrlen)) { |
4256 | ret = -TARGET_EFAULT; | |
4257 | goto fail; | |
4258 | } | |
38724253 | 4259 | if ((int)addrlen < 0) { |
8f7aeaf6 AJ |
4260 | ret = -TARGET_EINVAL; |
4261 | goto fail; | |
4262 | } | |
1be9e1dc | 4263 | addr = alloca(addrlen); |
66687530 PM |
4264 | ret = get_errno(safe_recvfrom(fd, host_msg, len, flags, |
4265 | addr, &addrlen)); | |
1be9e1dc PB |
4266 | } else { |
4267 | addr = NULL; /* To keep compiler quiet. */ | |
66687530 | 4268 | ret = get_errno(safe_recvfrom(fd, host_msg, len, flags, NULL, 0)); |
1be9e1dc PB |
4269 | } |
4270 | if (!is_error(ret)) { | |
c35e1f9c | 4271 | if (fd_trans_host_to_target_data(fd)) { |
2a03d3e6 LV |
4272 | abi_long trans; |
4273 | trans = fd_trans_host_to_target_data(fd)(host_msg, MIN(ret, len)); | |
4274 | if (is_error(trans)) { | |
4275 | ret = trans; | |
4276 | goto fail; | |
4277 | } | |
c35e1f9c | 4278 | } |
1be9e1dc PB |
4279 | if (target_addr) { |
4280 | host_to_target_sockaddr(target_addr, addr, addrlen); | |
2f619698 FB |
4281 | if (put_user_u32(addrlen, target_addrlen)) { |
4282 | ret = -TARGET_EFAULT; | |
4283 | goto fail; | |
4284 | } | |
1be9e1dc PB |
4285 | } |
4286 | unlock_user(host_msg, msg, len); | |
4287 | } else { | |
2f619698 | 4288 | fail: |
1be9e1dc PB |
4289 | unlock_user(host_msg, msg, 0); |
4290 | } | |
4291 | return ret; | |
4292 | } | |
4293 | ||
32407103 | 4294 | #ifdef TARGET_NR_socketcall |
ff71a454 | 4295 | /* do_socketcall() must return target values and target errnos. */ |
992f48a0 | 4296 | static abi_long do_socketcall(int num, abi_ulong vptr) |
31e31b8a | 4297 | { |
ff71a454 AM |
4298 | static const unsigned nargs[] = { /* number of arguments per operation */ |
4299 | [TARGET_SYS_SOCKET] = 3, /* domain, type, protocol */ | |
4300 | [TARGET_SYS_BIND] = 3, /* fd, addr, addrlen */ | |
4301 | [TARGET_SYS_CONNECT] = 3, /* fd, addr, addrlen */ | |
4302 | [TARGET_SYS_LISTEN] = 2, /* fd, backlog */ | |
4303 | [TARGET_SYS_ACCEPT] = 3, /* fd, addr, addrlen */ | |
4304 | [TARGET_SYS_GETSOCKNAME] = 3, /* fd, addr, addrlen */ | |
4305 | [TARGET_SYS_GETPEERNAME] = 3, /* fd, addr, addrlen */ | |
4306 | [TARGET_SYS_SOCKETPAIR] = 4, /* domain, type, protocol, tab */ | |
4307 | [TARGET_SYS_SEND] = 4, /* fd, msg, len, flags */ | |
4308 | [TARGET_SYS_RECV] = 4, /* fd, msg, len, flags */ | |
4309 | [TARGET_SYS_SENDTO] = 6, /* fd, msg, len, flags, addr, addrlen */ | |
4310 | [TARGET_SYS_RECVFROM] = 6, /* fd, msg, len, flags, addr, addrlen */ | |
4311 | [TARGET_SYS_SHUTDOWN] = 2, /* fd, how */ | |
4312 | [TARGET_SYS_SETSOCKOPT] = 5, /* fd, level, optname, optval, optlen */ | |
4313 | [TARGET_SYS_GETSOCKOPT] = 5, /* fd, level, optname, optval, optlen */ | |
4314 | [TARGET_SYS_SENDMSG] = 3, /* fd, msg, flags */ | |
4315 | [TARGET_SYS_RECVMSG] = 3, /* fd, msg, flags */ | |
4316 | [TARGET_SYS_ACCEPT4] = 4, /* fd, addr, addrlen, flags */ | |
4317 | [TARGET_SYS_RECVMMSG] = 4, /* fd, msgvec, vlen, flags */ | |
4318 | [TARGET_SYS_SENDMMSG] = 4, /* fd, msgvec, vlen, flags */ | |
62dc90c6 MT |
4319 | }; |
4320 | abi_long a[6]; /* max 6 args */ | |
ff71a454 | 4321 | unsigned i; |
62dc90c6 | 4322 | |
ff71a454 AM |
4323 | /* check the range of the first argument num */ |
4324 | /* (TARGET_SYS_SENDMMSG is the highest among TARGET_SYS_xxx) */ | |
4325 | if (num < 1 || num > TARGET_SYS_SENDMMSG) { | |
4326 | return -TARGET_EINVAL; | |
4327 | } | |
4328 | /* ensure we have space for args */ | |
4329 | if (nargs[num] > ARRAY_SIZE(a)) { | |
4330 | return -TARGET_EINVAL; | |
4331 | } | |
4332 | /* collect the arguments in a[] according to nargs[] */ | |
4333 | for (i = 0; i < nargs[num]; ++i) { | |
4334 | if (get_user_ual(a[i], vptr + i * sizeof(abi_long)) != 0) { | |
4335 | return -TARGET_EFAULT; | |
31e31b8a | 4336 | } |
62dc90c6 | 4337 | } |
ff71a454 | 4338 | /* now when we have the args, invoke the appropriate underlying function */ |
62dc90c6 | 4339 | switch (num) { |
ff71a454 | 4340 | case TARGET_SYS_SOCKET: /* domain, type, protocol */ |
62dc90c6 | 4341 | return do_socket(a[0], a[1], a[2]); |
ff71a454 | 4342 | case TARGET_SYS_BIND: /* sockfd, addr, addrlen */ |
62dc90c6 | 4343 | return do_bind(a[0], a[1], a[2]); |
ff71a454 | 4344 | case TARGET_SYS_CONNECT: /* sockfd, addr, addrlen */ |
62dc90c6 | 4345 | return do_connect(a[0], a[1], a[2]); |
ff71a454 | 4346 | case TARGET_SYS_LISTEN: /* sockfd, backlog */ |
62dc90c6 | 4347 | return get_errno(listen(a[0], a[1])); |
ff71a454 | 4348 | case TARGET_SYS_ACCEPT: /* sockfd, addr, addrlen */ |
62dc90c6 | 4349 | return do_accept4(a[0], a[1], a[2], 0); |
ff71a454 | 4350 | case TARGET_SYS_GETSOCKNAME: /* sockfd, addr, addrlen */ |
62dc90c6 | 4351 | return do_getsockname(a[0], a[1], a[2]); |
ff71a454 | 4352 | case TARGET_SYS_GETPEERNAME: /* sockfd, addr, addrlen */ |
62dc90c6 | 4353 | return do_getpeername(a[0], a[1], a[2]); |
ff71a454 | 4354 | case TARGET_SYS_SOCKETPAIR: /* domain, type, protocol, tab */ |
62dc90c6 | 4355 | return do_socketpair(a[0], a[1], a[2], a[3]); |
ff71a454 | 4356 | case TARGET_SYS_SEND: /* sockfd, msg, len, flags */ |
62dc90c6 | 4357 | return do_sendto(a[0], a[1], a[2], a[3], 0, 0); |
ff71a454 | 4358 | case TARGET_SYS_RECV: /* sockfd, msg, len, flags */ |
62dc90c6 | 4359 | return do_recvfrom(a[0], a[1], a[2], a[3], 0, 0); |
ff71a454 | 4360 | case TARGET_SYS_SENDTO: /* sockfd, msg, len, flags, addr, addrlen */ |
62dc90c6 | 4361 | return do_sendto(a[0], a[1], a[2], a[3], a[4], a[5]); |
ff71a454 | 4362 | case TARGET_SYS_RECVFROM: /* sockfd, msg, len, flags, addr, addrlen */ |
62dc90c6 | 4363 | return do_recvfrom(a[0], a[1], a[2], a[3], a[4], a[5]); |
ff71a454 | 4364 | case TARGET_SYS_SHUTDOWN: /* sockfd, how */ |
62dc90c6 | 4365 | return get_errno(shutdown(a[0], a[1])); |
ff71a454 AM |
4366 | case TARGET_SYS_SETSOCKOPT: /* sockfd, level, optname, optval, optlen */ |
4367 | return do_setsockopt(a[0], a[1], a[2], a[3], a[4]); | |
4368 | case TARGET_SYS_GETSOCKOPT: /* sockfd, level, optname, optval, optlen */ | |
4369 | return do_getsockopt(a[0], a[1], a[2], a[3], a[4]); | |
4370 | case TARGET_SYS_SENDMSG: /* sockfd, msg, flags */ | |
62dc90c6 | 4371 | return do_sendrecvmsg(a[0], a[1], a[2], 1); |
ff71a454 | 4372 | case TARGET_SYS_RECVMSG: /* sockfd, msg, flags */ |
62dc90c6 | 4373 | return do_sendrecvmsg(a[0], a[1], a[2], 0); |
ff71a454 AM |
4374 | case TARGET_SYS_ACCEPT4: /* sockfd, addr, addrlen, flags */ |
4375 | return do_accept4(a[0], a[1], a[2], a[3]); | |
4376 | case TARGET_SYS_RECVMMSG: /* sockfd, msgvec, vlen, flags */ | |
5a53dc50 | 4377 | return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 0); |
ff71a454 AM |
4378 | case TARGET_SYS_SENDMMSG: /* sockfd, msgvec, vlen, flags */ |
4379 | return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 1); | |
31e31b8a FB |
4380 | default: |
4381 | gemu_log("Unsupported socketcall: %d\n", num); | |
ff71a454 | 4382 | return -TARGET_EINVAL; |
31e31b8a | 4383 | } |
31e31b8a | 4384 | } |
32407103 | 4385 | #endif |
31e31b8a | 4386 | |
8853f86e FB |
4387 | #define N_SHM_REGIONS 32 |
4388 | ||
4389 | static struct shm_region { | |
b6e17875 PM |
4390 | abi_ulong start; |
4391 | abi_ulong size; | |
4392 | bool in_use; | |
8853f86e FB |
4393 | } shm_regions[N_SHM_REGIONS]; |
4394 | ||
005eb2ae PM |
4395 | #ifndef TARGET_SEMID64_DS |
4396 | /* asm-generic version of this struct */ | |
4397 | struct target_semid64_ds | |
3eb6b044 TS |
4398 | { |
4399 | struct target_ipc_perm sem_perm; | |
992f48a0 | 4400 | abi_ulong sem_otime; |
005eb2ae | 4401 | #if TARGET_ABI_BITS == 32 |
992f48a0 | 4402 | abi_ulong __unused1; |
03527344 | 4403 | #endif |
992f48a0 | 4404 | abi_ulong sem_ctime; |
005eb2ae | 4405 | #if TARGET_ABI_BITS == 32 |
992f48a0 | 4406 | abi_ulong __unused2; |
03527344 | 4407 | #endif |
992f48a0 BS |
4408 | abi_ulong sem_nsems; |
4409 | abi_ulong __unused3; | |
4410 | abi_ulong __unused4; | |
3eb6b044 | 4411 | }; |
005eb2ae | 4412 | #endif |
3eb6b044 | 4413 | |
579a97f7 FB |
4414 | static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip, |
4415 | abi_ulong target_addr) | |
3eb6b044 TS |
4416 | { |
4417 | struct target_ipc_perm *target_ip; | |
005eb2ae | 4418 | struct target_semid64_ds *target_sd; |
3eb6b044 | 4419 | |
579a97f7 FB |
4420 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
4421 | return -TARGET_EFAULT; | |
e8bbe36c | 4422 | target_ip = &(target_sd->sem_perm); |
55a2b163 PJ |
4423 | host_ip->__key = tswap32(target_ip->__key); |
4424 | host_ip->uid = tswap32(target_ip->uid); | |
4425 | host_ip->gid = tswap32(target_ip->gid); | |
4426 | host_ip->cuid = tswap32(target_ip->cuid); | |
4427 | host_ip->cgid = tswap32(target_ip->cgid); | |
4428 | #if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC) | |
4429 | host_ip->mode = tswap32(target_ip->mode); | |
4430 | #else | |
cbb21eed | 4431 | host_ip->mode = tswap16(target_ip->mode); |
55a2b163 PJ |
4432 | #endif |
4433 | #if defined(TARGET_PPC) | |
4434 | host_ip->__seq = tswap32(target_ip->__seq); | |
4435 | #else | |
4436 | host_ip->__seq = tswap16(target_ip->__seq); | |
4437 | #endif | |
3eb6b044 | 4438 | unlock_user_struct(target_sd, target_addr, 0); |
579a97f7 | 4439 | return 0; |
3eb6b044 TS |
4440 | } |
4441 | ||
579a97f7 FB |
4442 | static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr, |
4443 | struct ipc_perm *host_ip) | |
3eb6b044 TS |
4444 | { |
4445 | struct target_ipc_perm *target_ip; | |
005eb2ae | 4446 | struct target_semid64_ds *target_sd; |
3eb6b044 | 4447 | |
579a97f7 FB |
4448 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
4449 | return -TARGET_EFAULT; | |
3eb6b044 | 4450 | target_ip = &(target_sd->sem_perm); |
55a2b163 PJ |
4451 | target_ip->__key = tswap32(host_ip->__key); |
4452 | target_ip->uid = tswap32(host_ip->uid); | |
4453 | target_ip->gid = tswap32(host_ip->gid); | |
4454 | target_ip->cuid = tswap32(host_ip->cuid); | |
4455 | target_ip->cgid = tswap32(host_ip->cgid); | |
4456 | #if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC) | |
4457 | target_ip->mode = tswap32(host_ip->mode); | |
4458 | #else | |
cbb21eed | 4459 | target_ip->mode = tswap16(host_ip->mode); |
55a2b163 PJ |
4460 | #endif |
4461 | #if defined(TARGET_PPC) | |
4462 | target_ip->__seq = tswap32(host_ip->__seq); | |
4463 | #else | |
4464 | target_ip->__seq = tswap16(host_ip->__seq); | |
4465 | #endif | |
3eb6b044 | 4466 | unlock_user_struct(target_sd, target_addr, 1); |
579a97f7 | 4467 | return 0; |
3eb6b044 TS |
4468 | } |
4469 | ||
579a97f7 FB |
4470 | static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd, |
4471 | abi_ulong target_addr) | |
3eb6b044 | 4472 | { |
005eb2ae | 4473 | struct target_semid64_ds *target_sd; |
3eb6b044 | 4474 | |
579a97f7 FB |
4475 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
4476 | return -TARGET_EFAULT; | |
e5289087 AJ |
4477 | if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr)) |
4478 | return -TARGET_EFAULT; | |
cbb21eed MB |
4479 | host_sd->sem_nsems = tswapal(target_sd->sem_nsems); |
4480 | host_sd->sem_otime = tswapal(target_sd->sem_otime); | |
4481 | host_sd->sem_ctime = tswapal(target_sd->sem_ctime); | |
3eb6b044 | 4482 | unlock_user_struct(target_sd, target_addr, 0); |
579a97f7 | 4483 | return 0; |
3eb6b044 TS |
4484 | } |
4485 | ||
579a97f7 FB |
4486 | static inline abi_long host_to_target_semid_ds(abi_ulong target_addr, |
4487 | struct semid_ds *host_sd) | |
3eb6b044 | 4488 | { |
005eb2ae | 4489 | struct target_semid64_ds *target_sd; |
3eb6b044 | 4490 | |
579a97f7 FB |
4491 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
4492 | return -TARGET_EFAULT; | |
e5289087 | 4493 | if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm))) |
3a93113a | 4494 | return -TARGET_EFAULT; |
cbb21eed MB |
4495 | target_sd->sem_nsems = tswapal(host_sd->sem_nsems); |
4496 | target_sd->sem_otime = tswapal(host_sd->sem_otime); | |
4497 | target_sd->sem_ctime = tswapal(host_sd->sem_ctime); | |
3eb6b044 | 4498 | unlock_user_struct(target_sd, target_addr, 1); |
579a97f7 | 4499 | return 0; |
3eb6b044 TS |
4500 | } |
4501 | ||
e5289087 AJ |
4502 | struct target_seminfo { |
4503 | int semmap; | |
4504 | int semmni; | |
4505 | int semmns; | |
4506 | int semmnu; | |
4507 | int semmsl; | |
4508 | int semopm; | |
4509 | int semume; | |
4510 | int semusz; | |
4511 | int semvmx; | |
4512 | int semaem; | |
4513 | }; | |
4514 | ||
4515 | static inline abi_long host_to_target_seminfo(abi_ulong target_addr, | |
4516 | struct seminfo *host_seminfo) | |
4517 | { | |
4518 | struct target_seminfo *target_seminfo; | |
4519 | if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0)) | |
4520 | return -TARGET_EFAULT; | |
4521 | __put_user(host_seminfo->semmap, &target_seminfo->semmap); | |
4522 | __put_user(host_seminfo->semmni, &target_seminfo->semmni); | |
4523 | __put_user(host_seminfo->semmns, &target_seminfo->semmns); | |
4524 | __put_user(host_seminfo->semmnu, &target_seminfo->semmnu); | |
4525 | __put_user(host_seminfo->semmsl, &target_seminfo->semmsl); | |
4526 | __put_user(host_seminfo->semopm, &target_seminfo->semopm); | |
4527 | __put_user(host_seminfo->semume, &target_seminfo->semume); | |
4528 | __put_user(host_seminfo->semusz, &target_seminfo->semusz); | |
4529 | __put_user(host_seminfo->semvmx, &target_seminfo->semvmx); | |
4530 | __put_user(host_seminfo->semaem, &target_seminfo->semaem); | |
4531 | unlock_user_struct(target_seminfo, target_addr, 1); | |
4532 | return 0; | |
4533 | } | |
4534 | ||
fa294816 TS |
4535 | union semun { |
4536 | int val; | |
3eb6b044 | 4537 | struct semid_ds *buf; |
fa294816 | 4538 | unsigned short *array; |
e5289087 | 4539 | struct seminfo *__buf; |
fa294816 TS |
4540 | }; |
4541 | ||
3eb6b044 TS |
4542 | union target_semun { |
4543 | int val; | |
e5289087 AJ |
4544 | abi_ulong buf; |
4545 | abi_ulong array; | |
4546 | abi_ulong __buf; | |
3eb6b044 TS |
4547 | }; |
4548 | ||
e5289087 AJ |
4549 | static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array, |
4550 | abi_ulong target_addr) | |
3eb6b044 | 4551 | { |
e5289087 AJ |
4552 | int nsems; |
4553 | unsigned short *array; | |
4554 | union semun semun; | |
4555 | struct semid_ds semid_ds; | |
4556 | int i, ret; | |
3eb6b044 | 4557 | |
e5289087 AJ |
4558 | semun.buf = &semid_ds; |
4559 | ||
4560 | ret = semctl(semid, 0, IPC_STAT, semun); | |
4561 | if (ret == -1) | |
4562 | return get_errno(ret); | |
4563 | ||
4564 | nsems = semid_ds.sem_nsems; | |
4565 | ||
0e173b24 | 4566 | *host_array = g_try_new(unsigned short, nsems); |
69d4c703 PM |
4567 | if (!*host_array) { |
4568 | return -TARGET_ENOMEM; | |
4569 | } | |
e5289087 AJ |
4570 | array = lock_user(VERIFY_READ, target_addr, |
4571 | nsems*sizeof(unsigned short), 1); | |
69d4c703 | 4572 | if (!array) { |
0e173b24 | 4573 | g_free(*host_array); |
e5289087 | 4574 | return -TARGET_EFAULT; |
69d4c703 | 4575 | } |
e5289087 AJ |
4576 | |
4577 | for(i=0; i<nsems; i++) { | |
4578 | __get_user((*host_array)[i], &array[i]); | |
3eb6b044 | 4579 | } |
e5289087 AJ |
4580 | unlock_user(array, target_addr, 0); |
4581 | ||
579a97f7 | 4582 | return 0; |
3eb6b044 TS |
4583 | } |
4584 | ||
e5289087 AJ |
4585 | static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr, |
4586 | unsigned short **host_array) | |
3eb6b044 | 4587 | { |
e5289087 AJ |
4588 | int nsems; |
4589 | unsigned short *array; | |
4590 | union semun semun; | |
4591 | struct semid_ds semid_ds; | |
4592 | int i, ret; | |
3eb6b044 | 4593 | |
e5289087 AJ |
4594 | semun.buf = &semid_ds; |
4595 | ||
4596 | ret = semctl(semid, 0, IPC_STAT, semun); | |
4597 | if (ret == -1) | |
4598 | return get_errno(ret); | |
4599 | ||
4600 | nsems = semid_ds.sem_nsems; | |
4601 | ||
4602 | array = lock_user(VERIFY_WRITE, target_addr, | |
4603 | nsems*sizeof(unsigned short), 0); | |
4604 | if (!array) | |
4605 | return -TARGET_EFAULT; | |
4606 | ||
4607 | for(i=0; i<nsems; i++) { | |
4608 | __put_user((*host_array)[i], &array[i]); | |
3eb6b044 | 4609 | } |
0e173b24 | 4610 | g_free(*host_array); |
e5289087 AJ |
4611 | unlock_user(array, target_addr, 1); |
4612 | ||
579a97f7 | 4613 | return 0; |
3eb6b044 TS |
4614 | } |
4615 | ||
e5289087 | 4616 | static inline abi_long do_semctl(int semid, int semnum, int cmd, |
d1c002b6 | 4617 | abi_ulong target_arg) |
3eb6b044 | 4618 | { |
d1c002b6 | 4619 | union target_semun target_su = { .buf = target_arg }; |
3eb6b044 TS |
4620 | union semun arg; |
4621 | struct semid_ds dsarg; | |
7b8118e8 | 4622 | unsigned short *array = NULL; |
e5289087 AJ |
4623 | struct seminfo seminfo; |
4624 | abi_long ret = -TARGET_EINVAL; | |
4625 | abi_long err; | |
4626 | cmd &= 0xff; | |
3eb6b044 TS |
4627 | |
4628 | switch( cmd ) { | |
4629 | case GETVAL: | |
3eb6b044 | 4630 | case SETVAL: |
5464baec TM |
4631 | /* In 64 bit cross-endian situations, we will erroneously pick up |
4632 | * the wrong half of the union for the "val" element. To rectify | |
4633 | * this, the entire 8-byte structure is byteswapped, followed by | |
4634 | * a swap of the 4 byte val field. In other cases, the data is | |
4635 | * already in proper host byte order. */ | |
4636 | if (sizeof(target_su.val) != (sizeof(target_su.buf))) { | |
4637 | target_su.buf = tswapal(target_su.buf); | |
4638 | arg.val = tswap32(target_su.val); | |
4639 | } else { | |
4640 | arg.val = target_su.val; | |
4641 | } | |
e5289087 | 4642 | ret = get_errno(semctl(semid, semnum, cmd, arg)); |
3eb6b044 TS |
4643 | break; |
4644 | case GETALL: | |
3eb6b044 | 4645 | case SETALL: |
e5289087 AJ |
4646 | err = target_to_host_semarray(semid, &array, target_su.array); |
4647 | if (err) | |
4648 | return err; | |
4649 | arg.array = array; | |
4650 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
4651 | err = host_to_target_semarray(semid, target_su.array, &array); | |
4652 | if (err) | |
4653 | return err; | |
3eb6b044 TS |
4654 | break; |
4655 | case IPC_STAT: | |
3eb6b044 | 4656 | case IPC_SET: |
e5289087 AJ |
4657 | case SEM_STAT: |
4658 | err = target_to_host_semid_ds(&dsarg, target_su.buf); | |
4659 | if (err) | |
4660 | return err; | |
4661 | arg.buf = &dsarg; | |
4662 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
4663 | err = host_to_target_semid_ds(target_su.buf, &dsarg); | |
4664 | if (err) | |
4665 | return err; | |
4666 | break; | |
4667 | case IPC_INFO: | |
4668 | case SEM_INFO: | |
4669 | arg.__buf = &seminfo; | |
4670 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
4671 | err = host_to_target_seminfo(target_su.__buf, &seminfo); | |
4672 | if (err) | |
4673 | return err; | |
4674 | break; | |
4675 | case IPC_RMID: | |
4676 | case GETPID: | |
4677 | case GETNCNT: | |
4678 | case GETZCNT: | |
4679 | ret = get_errno(semctl(semid, semnum, cmd, NULL)); | |
3eb6b044 | 4680 | break; |
3eb6b044 TS |
4681 | } |
4682 | ||
4683 | return ret; | |
4684 | } | |
4685 | ||
e5289087 AJ |
4686 | struct target_sembuf { |
4687 | unsigned short sem_num; | |
4688 | short sem_op; | |
4689 | short sem_flg; | |
4690 | }; | |
4691 | ||
4692 | static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf, | |
4693 | abi_ulong target_addr, | |
4694 | unsigned nsops) | |
4695 | { | |
4696 | struct target_sembuf *target_sembuf; | |
4697 | int i; | |
4698 | ||
4699 | target_sembuf = lock_user(VERIFY_READ, target_addr, | |
4700 | nsops*sizeof(struct target_sembuf), 1); | |
4701 | if (!target_sembuf) | |
4702 | return -TARGET_EFAULT; | |
4703 | ||
4704 | for(i=0; i<nsops; i++) { | |
4705 | __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num); | |
4706 | __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op); | |
4707 | __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg); | |
4708 | } | |
4709 | ||
4710 | unlock_user(target_sembuf, target_addr, 0); | |
4711 | ||
4712 | return 0; | |
4713 | } | |
4714 | ||
4715 | static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops) | |
4716 | { | |
4717 | struct sembuf sops[nsops]; | |
4718 | ||
4719 | if (target_to_host_sembuf(sops, ptr, nsops)) | |
4720 | return -TARGET_EFAULT; | |
4721 | ||
ffb7ee79 | 4722 | return get_errno(safe_semtimedop(semid, sops, nsops, NULL)); |
e5289087 AJ |
4723 | } |
4724 | ||
1bc012f6 TS |
4725 | struct target_msqid_ds |
4726 | { | |
1c54ff97 AJ |
4727 | struct target_ipc_perm msg_perm; |
4728 | abi_ulong msg_stime; | |
4729 | #if TARGET_ABI_BITS == 32 | |
4730 | abi_ulong __unused1; | |
4731 | #endif | |
4732 | abi_ulong msg_rtime; | |
4733 | #if TARGET_ABI_BITS == 32 | |
4734 | abi_ulong __unused2; | |
4735 | #endif | |
4736 | abi_ulong msg_ctime; | |
4737 | #if TARGET_ABI_BITS == 32 | |
4738 | abi_ulong __unused3; | |
4739 | #endif | |
4740 | abi_ulong __msg_cbytes; | |
4741 | abi_ulong msg_qnum; | |
4742 | abi_ulong msg_qbytes; | |
4743 | abi_ulong msg_lspid; | |
4744 | abi_ulong msg_lrpid; | |
4745 | abi_ulong __unused4; | |
4746 | abi_ulong __unused5; | |
1bc012f6 TS |
4747 | }; |
4748 | ||
579a97f7 FB |
4749 | static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md, |
4750 | abi_ulong target_addr) | |
1bc012f6 TS |
4751 | { |
4752 | struct target_msqid_ds *target_md; | |
4753 | ||
579a97f7 FB |
4754 | if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1)) |
4755 | return -TARGET_EFAULT; | |
1c54ff97 AJ |
4756 | if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr)) |
4757 | return -TARGET_EFAULT; | |
cbb21eed MB |
4758 | host_md->msg_stime = tswapal(target_md->msg_stime); |
4759 | host_md->msg_rtime = tswapal(target_md->msg_rtime); | |
4760 | host_md->msg_ctime = tswapal(target_md->msg_ctime); | |
4761 | host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes); | |
4762 | host_md->msg_qnum = tswapal(target_md->msg_qnum); | |
4763 | host_md->msg_qbytes = tswapal(target_md->msg_qbytes); | |
4764 | host_md->msg_lspid = tswapal(target_md->msg_lspid); | |
4765 | host_md->msg_lrpid = tswapal(target_md->msg_lrpid); | |
1bc012f6 | 4766 | unlock_user_struct(target_md, target_addr, 0); |
579a97f7 | 4767 | return 0; |
1bc012f6 TS |
4768 | } |
4769 | ||
579a97f7 FB |
4770 | static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr, |
4771 | struct msqid_ds *host_md) | |
1bc012f6 TS |
4772 | { |
4773 | struct target_msqid_ds *target_md; | |
4774 | ||
579a97f7 FB |
4775 | if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0)) |
4776 | return -TARGET_EFAULT; | |
1c54ff97 AJ |
4777 | if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm))) |
4778 | return -TARGET_EFAULT; | |
cbb21eed MB |
4779 | target_md->msg_stime = tswapal(host_md->msg_stime); |
4780 | target_md->msg_rtime = tswapal(host_md->msg_rtime); | |
4781 | target_md->msg_ctime = tswapal(host_md->msg_ctime); | |
4782 | target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes); | |
4783 | target_md->msg_qnum = tswapal(host_md->msg_qnum); | |
4784 | target_md->msg_qbytes = tswapal(host_md->msg_qbytes); | |
4785 | target_md->msg_lspid = tswapal(host_md->msg_lspid); | |
4786 | target_md->msg_lrpid = tswapal(host_md->msg_lrpid); | |
1bc012f6 | 4787 | unlock_user_struct(target_md, target_addr, 1); |
579a97f7 | 4788 | return 0; |
1bc012f6 TS |
4789 | } |
4790 | ||
1c54ff97 AJ |
4791 | struct target_msginfo { |
4792 | int msgpool; | |
4793 | int msgmap; | |
4794 | int msgmax; | |
4795 | int msgmnb; | |
4796 | int msgmni; | |
4797 | int msgssz; | |
4798 | int msgtql; | |
4799 | unsigned short int msgseg; | |
4800 | }; | |
4801 | ||
4802 | static inline abi_long host_to_target_msginfo(abi_ulong target_addr, | |
4803 | struct msginfo *host_msginfo) | |
4804 | { | |
4805 | struct target_msginfo *target_msginfo; | |
4806 | if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0)) | |
4807 | return -TARGET_EFAULT; | |
4808 | __put_user(host_msginfo->msgpool, &target_msginfo->msgpool); | |
4809 | __put_user(host_msginfo->msgmap, &target_msginfo->msgmap); | |
4810 | __put_user(host_msginfo->msgmax, &target_msginfo->msgmax); | |
4811 | __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb); | |
4812 | __put_user(host_msginfo->msgmni, &target_msginfo->msgmni); | |
4813 | __put_user(host_msginfo->msgssz, &target_msginfo->msgssz); | |
4814 | __put_user(host_msginfo->msgtql, &target_msginfo->msgtql); | |
4815 | __put_user(host_msginfo->msgseg, &target_msginfo->msgseg); | |
4816 | unlock_user_struct(target_msginfo, target_addr, 1); | |
00b229ac | 4817 | return 0; |
1c54ff97 AJ |
4818 | } |
4819 | ||
4820 | static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr) | |
1bc012f6 TS |
4821 | { |
4822 | struct msqid_ds dsarg; | |
1c54ff97 AJ |
4823 | struct msginfo msginfo; |
4824 | abi_long ret = -TARGET_EINVAL; | |
4825 | ||
4826 | cmd &= 0xff; | |
4827 | ||
4828 | switch (cmd) { | |
1bc012f6 TS |
4829 | case IPC_STAT: |
4830 | case IPC_SET: | |
1c54ff97 AJ |
4831 | case MSG_STAT: |
4832 | if (target_to_host_msqid_ds(&dsarg,ptr)) | |
4833 | return -TARGET_EFAULT; | |
4834 | ret = get_errno(msgctl(msgid, cmd, &dsarg)); | |
4835 | if (host_to_target_msqid_ds(ptr,&dsarg)) | |
4836 | return -TARGET_EFAULT; | |
4837 | break; | |
4838 | case IPC_RMID: | |
4839 | ret = get_errno(msgctl(msgid, cmd, NULL)); | |
4840 | break; | |
4841 | case IPC_INFO: | |
4842 | case MSG_INFO: | |
4843 | ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo)); | |
4844 | if (host_to_target_msginfo(ptr, &msginfo)) | |
4845 | return -TARGET_EFAULT; | |
4846 | break; | |
1bc012f6 | 4847 | } |
1c54ff97 | 4848 | |
1bc012f6 TS |
4849 | return ret; |
4850 | } | |
4851 | ||
4852 | struct target_msgbuf { | |
1c54ff97 AJ |
4853 | abi_long mtype; |
4854 | char mtext[1]; | |
1bc012f6 TS |
4855 | }; |
4856 | ||
992f48a0 | 4857 | static inline abi_long do_msgsnd(int msqid, abi_long msgp, |
edcc5f9d | 4858 | ssize_t msgsz, int msgflg) |
1bc012f6 TS |
4859 | { |
4860 | struct target_msgbuf *target_mb; | |
4861 | struct msgbuf *host_mb; | |
992f48a0 | 4862 | abi_long ret = 0; |
1bc012f6 | 4863 | |
edcc5f9d TM |
4864 | if (msgsz < 0) { |
4865 | return -TARGET_EINVAL; | |
4866 | } | |
4867 | ||
579a97f7 FB |
4868 | if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0)) |
4869 | return -TARGET_EFAULT; | |
0e173b24 | 4870 | host_mb = g_try_malloc(msgsz + sizeof(long)); |
29e03fcb HZ |
4871 | if (!host_mb) { |
4872 | unlock_user_struct(target_mb, msgp, 0); | |
4873 | return -TARGET_ENOMEM; | |
4874 | } | |
cbb21eed | 4875 | host_mb->mtype = (abi_long) tswapal(target_mb->mtype); |
1c54ff97 | 4876 | memcpy(host_mb->mtext, target_mb->mtext, msgsz); |
89f9fe44 | 4877 | ret = get_errno(safe_msgsnd(msqid, host_mb, msgsz, msgflg)); |
0e173b24 | 4878 | g_free(host_mb); |
1bc012f6 TS |
4879 | unlock_user_struct(target_mb, msgp, 0); |
4880 | ||
4881 | return ret; | |
4882 | } | |
4883 | ||
992f48a0 | 4884 | static inline abi_long do_msgrcv(int msqid, abi_long msgp, |
99874f65 | 4885 | ssize_t msgsz, abi_long msgtyp, |
992f48a0 | 4886 | int msgflg) |
1bc012f6 TS |
4887 | { |
4888 | struct target_msgbuf *target_mb; | |
579a97f7 | 4889 | char *target_mtext; |
1bc012f6 | 4890 | struct msgbuf *host_mb; |
992f48a0 | 4891 | abi_long ret = 0; |
1bc012f6 | 4892 | |
99874f65 PM |
4893 | if (msgsz < 0) { |
4894 | return -TARGET_EINVAL; | |
4895 | } | |
4896 | ||
579a97f7 FB |
4897 | if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0)) |
4898 | return -TARGET_EFAULT; | |
1c54ff97 | 4899 | |
415d8471 PM |
4900 | host_mb = g_try_malloc(msgsz + sizeof(long)); |
4901 | if (!host_mb) { | |
4902 | ret = -TARGET_ENOMEM; | |
4903 | goto end; | |
4904 | } | |
89f9fe44 | 4905 | ret = get_errno(safe_msgrcv(msqid, host_mb, msgsz, msgtyp, msgflg)); |
1c54ff97 | 4906 | |
579a97f7 FB |
4907 | if (ret > 0) { |
4908 | abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong); | |
4909 | target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0); | |
4910 | if (!target_mtext) { | |
4911 | ret = -TARGET_EFAULT; | |
4912 | goto end; | |
4913 | } | |
1c54ff97 | 4914 | memcpy(target_mb->mtext, host_mb->mtext, ret); |
579a97f7 FB |
4915 | unlock_user(target_mtext, target_mtext_addr, ret); |
4916 | } | |
1c54ff97 | 4917 | |
cbb21eed | 4918 | target_mb->mtype = tswapal(host_mb->mtype); |
1bc012f6 | 4919 | |
579a97f7 FB |
4920 | end: |
4921 | if (target_mb) | |
4922 | unlock_user_struct(target_mb, msgp, 1); | |
0d07fe47 | 4923 | g_free(host_mb); |
1bc012f6 TS |
4924 | return ret; |
4925 | } | |
4926 | ||
88a8c984 RV |
4927 | static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd, |
4928 | abi_ulong target_addr) | |
4929 | { | |
4930 | struct target_shmid_ds *target_sd; | |
4931 | ||
4932 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) | |
4933 | return -TARGET_EFAULT; | |
4934 | if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr)) | |
4935 | return -TARGET_EFAULT; | |
4936 | __get_user(host_sd->shm_segsz, &target_sd->shm_segsz); | |
4937 | __get_user(host_sd->shm_atime, &target_sd->shm_atime); | |
4938 | __get_user(host_sd->shm_dtime, &target_sd->shm_dtime); | |
4939 | __get_user(host_sd->shm_ctime, &target_sd->shm_ctime); | |
4940 | __get_user(host_sd->shm_cpid, &target_sd->shm_cpid); | |
4941 | __get_user(host_sd->shm_lpid, &target_sd->shm_lpid); | |
4942 | __get_user(host_sd->shm_nattch, &target_sd->shm_nattch); | |
4943 | unlock_user_struct(target_sd, target_addr, 0); | |
4944 | return 0; | |
4945 | } | |
4946 | ||
4947 | static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr, | |
4948 | struct shmid_ds *host_sd) | |
4949 | { | |
4950 | struct target_shmid_ds *target_sd; | |
4951 | ||
4952 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) | |
4953 | return -TARGET_EFAULT; | |
4954 | if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm))) | |
4955 | return -TARGET_EFAULT; | |
4956 | __put_user(host_sd->shm_segsz, &target_sd->shm_segsz); | |
4957 | __put_user(host_sd->shm_atime, &target_sd->shm_atime); | |
4958 | __put_user(host_sd->shm_dtime, &target_sd->shm_dtime); | |
4959 | __put_user(host_sd->shm_ctime, &target_sd->shm_ctime); | |
4960 | __put_user(host_sd->shm_cpid, &target_sd->shm_cpid); | |
4961 | __put_user(host_sd->shm_lpid, &target_sd->shm_lpid); | |
4962 | __put_user(host_sd->shm_nattch, &target_sd->shm_nattch); | |
4963 | unlock_user_struct(target_sd, target_addr, 1); | |
4964 | return 0; | |
4965 | } | |
4966 | ||
4967 | struct target_shminfo { | |
4968 | abi_ulong shmmax; | |
4969 | abi_ulong shmmin; | |
4970 | abi_ulong shmmni; | |
4971 | abi_ulong shmseg; | |
4972 | abi_ulong shmall; | |
4973 | }; | |
4974 | ||
4975 | static inline abi_long host_to_target_shminfo(abi_ulong target_addr, | |
4976 | struct shminfo *host_shminfo) | |
4977 | { | |
4978 | struct target_shminfo *target_shminfo; | |
4979 | if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0)) | |
4980 | return -TARGET_EFAULT; | |
4981 | __put_user(host_shminfo->shmmax, &target_shminfo->shmmax); | |
4982 | __put_user(host_shminfo->shmmin, &target_shminfo->shmmin); | |
4983 | __put_user(host_shminfo->shmmni, &target_shminfo->shmmni); | |
4984 | __put_user(host_shminfo->shmseg, &target_shminfo->shmseg); | |
4985 | __put_user(host_shminfo->shmall, &target_shminfo->shmall); | |
4986 | unlock_user_struct(target_shminfo, target_addr, 1); | |
4987 | return 0; | |
4988 | } | |
4989 | ||
4990 | struct target_shm_info { | |
4991 | int used_ids; | |
4992 | abi_ulong shm_tot; | |
4993 | abi_ulong shm_rss; | |
4994 | abi_ulong shm_swp; | |
4995 | abi_ulong swap_attempts; | |
4996 | abi_ulong swap_successes; | |
4997 | }; | |
4998 | ||
4999 | static inline abi_long host_to_target_shm_info(abi_ulong target_addr, | |
5000 | struct shm_info *host_shm_info) | |
5001 | { | |
5002 | struct target_shm_info *target_shm_info; | |
5003 | if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0)) | |
5004 | return -TARGET_EFAULT; | |
5005 | __put_user(host_shm_info->used_ids, &target_shm_info->used_ids); | |
5006 | __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot); | |
5007 | __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss); | |
5008 | __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp); | |
5009 | __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts); | |
5010 | __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes); | |
5011 | unlock_user_struct(target_shm_info, target_addr, 1); | |
5012 | return 0; | |
5013 | } | |
5014 | ||
5015 | static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf) | |
5016 | { | |
5017 | struct shmid_ds dsarg; | |
5018 | struct shminfo shminfo; | |
5019 | struct shm_info shm_info; | |
5020 | abi_long ret = -TARGET_EINVAL; | |
5021 | ||
5022 | cmd &= 0xff; | |
5023 | ||
5024 | switch(cmd) { | |
5025 | case IPC_STAT: | |
5026 | case IPC_SET: | |
5027 | case SHM_STAT: | |
5028 | if (target_to_host_shmid_ds(&dsarg, buf)) | |
5029 | return -TARGET_EFAULT; | |
5030 | ret = get_errno(shmctl(shmid, cmd, &dsarg)); | |
5031 | if (host_to_target_shmid_ds(buf, &dsarg)) | |
5032 | return -TARGET_EFAULT; | |
5033 | break; | |
5034 | case IPC_INFO: | |
5035 | ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo)); | |
5036 | if (host_to_target_shminfo(buf, &shminfo)) | |
5037 | return -TARGET_EFAULT; | |
5038 | break; | |
5039 | case SHM_INFO: | |
5040 | ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info)); | |
5041 | if (host_to_target_shm_info(buf, &shm_info)) | |
5042 | return -TARGET_EFAULT; | |
5043 | break; | |
5044 | case IPC_RMID: | |
5045 | case SHM_LOCK: | |
5046 | case SHM_UNLOCK: | |
5047 | ret = get_errno(shmctl(shmid, cmd, NULL)); | |
5048 | break; | |
5049 | } | |
5050 | ||
5051 | return ret; | |
5052 | } | |
5053 | ||
ee8e7614 PM |
5054 | #ifndef TARGET_FORCE_SHMLBA |
5055 | /* For most architectures, SHMLBA is the same as the page size; | |
5056 | * some architectures have larger values, in which case they should | |
5057 | * define TARGET_FORCE_SHMLBA and provide a target_shmlba() function. | |
5058 | * This corresponds to the kernel arch code defining __ARCH_FORCE_SHMLBA | |
5059 | * and defining its own value for SHMLBA. | |
5060 | * | |
5061 | * The kernel also permits SHMLBA to be set by the architecture to a | |
5062 | * value larger than the page size without setting __ARCH_FORCE_SHMLBA; | |
5063 | * this means that addresses are rounded to the large size if | |
5064 | * SHM_RND is set but addresses not aligned to that size are not rejected | |
5065 | * as long as they are at least page-aligned. Since the only architecture | |
5066 | * which uses this is ia64 this code doesn't provide for that oddity. | |
5067 | */ | |
5068 | static inline abi_ulong target_shmlba(CPUArchState *cpu_env) | |
5069 | { | |
5070 | return TARGET_PAGE_SIZE; | |
5071 | } | |
5072 | #endif | |
5073 | ||
5074 | static inline abi_ulong do_shmat(CPUArchState *cpu_env, | |
5075 | int shmid, abi_ulong shmaddr, int shmflg) | |
88a8c984 RV |
5076 | { |
5077 | abi_long raddr; | |
5078 | void *host_raddr; | |
5079 | struct shmid_ds shm_info; | |
5080 | int i,ret; | |
ee8e7614 | 5081 | abi_ulong shmlba; |
88a8c984 RV |
5082 | |
5083 | /* find out the length of the shared memory segment */ | |
5084 | ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info)); | |
5085 | if (is_error(ret)) { | |
5086 | /* can't get length, bail out */ | |
5087 | return ret; | |
5088 | } | |
5089 | ||
ee8e7614 PM |
5090 | shmlba = target_shmlba(cpu_env); |
5091 | ||
5092 | if (shmaddr & (shmlba - 1)) { | |
5093 | if (shmflg & SHM_RND) { | |
5094 | shmaddr &= ~(shmlba - 1); | |
5095 | } else { | |
5096 | return -TARGET_EINVAL; | |
5097 | } | |
5098 | } | |
ebf9a363 MF |
5099 | if (!guest_range_valid(shmaddr, shm_info.shm_segsz)) { |
5100 | return -TARGET_EINVAL; | |
5101 | } | |
ee8e7614 | 5102 | |
88a8c984 RV |
5103 | mmap_lock(); |
5104 | ||
5105 | if (shmaddr) | |
5106 | host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg); | |
5107 | else { | |
5108 | abi_ulong mmap_start; | |
5109 | ||
5110 | mmap_start = mmap_find_vma(0, shm_info.shm_segsz); | |
5111 | ||
5112 | if (mmap_start == -1) { | |
5113 | errno = ENOMEM; | |
5114 | host_raddr = (void *)-1; | |
5115 | } else | |
5116 | host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP); | |
5117 | } | |
5118 | ||
5119 | if (host_raddr == (void *)-1) { | |
5120 | mmap_unlock(); | |
5121 | return get_errno((long)host_raddr); | |
5122 | } | |
5123 | raddr=h2g((unsigned long)host_raddr); | |
5124 | ||
5125 | page_set_flags(raddr, raddr + shm_info.shm_segsz, | |
5126 | PAGE_VALID | PAGE_READ | | |
5127 | ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE)); | |
5128 | ||
5129 | for (i = 0; i < N_SHM_REGIONS; i++) { | |
b6e17875 PM |
5130 | if (!shm_regions[i].in_use) { |
5131 | shm_regions[i].in_use = true; | |
88a8c984 RV |
5132 | shm_regions[i].start = raddr; |
5133 | shm_regions[i].size = shm_info.shm_segsz; | |
5134 | break; | |
5135 | } | |
5136 | } | |
5137 | ||
5138 | mmap_unlock(); | |
5139 | return raddr; | |
5140 | ||
5141 | } | |
5142 | ||
5143 | static inline abi_long do_shmdt(abi_ulong shmaddr) | |
5144 | { | |
5145 | int i; | |
3c5f6a5f MF |
5146 | abi_long rv; |
5147 | ||
5148 | mmap_lock(); | |
88a8c984 RV |
5149 | |
5150 | for (i = 0; i < N_SHM_REGIONS; ++i) { | |
b6e17875 PM |
5151 | if (shm_regions[i].in_use && shm_regions[i].start == shmaddr) { |
5152 | shm_regions[i].in_use = false; | |
e00ac249 | 5153 | page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0); |
88a8c984 RV |
5154 | break; |
5155 | } | |
5156 | } | |
3c5f6a5f | 5157 | rv = get_errno(shmdt(g2h(shmaddr))); |
88a8c984 | 5158 | |
3c5f6a5f | 5159 | mmap_unlock(); |
88a8c984 | 5160 | |
3c5f6a5f | 5161 | return rv; |
88a8c984 RV |
5162 | } |
5163 | ||
1c54ff97 | 5164 | #ifdef TARGET_NR_ipc |
53a5960a | 5165 | /* ??? This only works with linear mappings. */ |
0da46a6e | 5166 | /* do_ipc() must return target values and target errnos. */ |
ee8e7614 PM |
5167 | static abi_long do_ipc(CPUArchState *cpu_env, |
5168 | unsigned int call, abi_long first, | |
37ed0956 | 5169 | abi_long second, abi_long third, |
992f48a0 | 5170 | abi_long ptr, abi_long fifth) |
8853f86e FB |
5171 | { |
5172 | int version; | |
992f48a0 | 5173 | abi_long ret = 0; |
8853f86e FB |
5174 | |
5175 | version = call >> 16; | |
5176 | call &= 0xffff; | |
5177 | ||
5178 | switch (call) { | |
fa294816 | 5179 | case IPCOP_semop: |
e5289087 | 5180 | ret = do_semop(first, ptr, second); |
fa294816 TS |
5181 | break; |
5182 | ||
5183 | case IPCOP_semget: | |
5184 | ret = get_errno(semget(first, second, third)); | |
5185 | break; | |
5186 | ||
5d2fa8eb TM |
5187 | case IPCOP_semctl: { |
5188 | /* The semun argument to semctl is passed by value, so dereference the | |
5189 | * ptr argument. */ | |
5190 | abi_ulong atptr; | |
37ed0956 | 5191 | get_user_ual(atptr, ptr); |
d1c002b6 | 5192 | ret = do_semctl(first, second, third, atptr); |
fa294816 | 5193 | break; |
5d2fa8eb | 5194 | } |
d96372ef | 5195 | |
1c54ff97 AJ |
5196 | case IPCOP_msgget: |
5197 | ret = get_errno(msgget(first, second)); | |
5198 | break; | |
d96372ef | 5199 | |
1c54ff97 AJ |
5200 | case IPCOP_msgsnd: |
5201 | ret = do_msgsnd(first, ptr, second, third); | |
5202 | break; | |
d96372ef | 5203 | |
1c54ff97 AJ |
5204 | case IPCOP_msgctl: |
5205 | ret = do_msgctl(first, second, ptr); | |
5206 | break; | |
d96372ef | 5207 | |
1c54ff97 AJ |
5208 | case IPCOP_msgrcv: |
5209 | switch (version) { | |
5210 | case 0: | |
5211 | { | |
5212 | struct target_ipc_kludge { | |
5213 | abi_long msgp; | |
5214 | abi_long msgtyp; | |
5215 | } *tmp; | |
5216 | ||
5217 | if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) { | |
5218 | ret = -TARGET_EFAULT; | |
5219 | break; | |
5220 | } | |
d96372ef | 5221 | |
79dd77de | 5222 | ret = do_msgrcv(first, tswapal(tmp->msgp), second, tswapal(tmp->msgtyp), third); |
d96372ef | 5223 | |
1c54ff97 AJ |
5224 | unlock_user_struct(tmp, ptr, 0); |
5225 | break; | |
5226 | } | |
5227 | default: | |
5228 | ret = do_msgrcv(first, ptr, second, fifth, third); | |
5229 | } | |
5230 | break; | |
d96372ef | 5231 | |
8853f86e | 5232 | case IPCOP_shmat: |
88a8c984 RV |
5233 | switch (version) { |
5234 | default: | |
5a4a898d FB |
5235 | { |
5236 | abi_ulong raddr; | |
ee8e7614 | 5237 | raddr = do_shmat(cpu_env, first, ptr, second); |
88a8c984 RV |
5238 | if (is_error(raddr)) |
5239 | return get_errno(raddr); | |
2f619698 | 5240 | if (put_user_ual(raddr, third)) |
5a4a898d | 5241 | return -TARGET_EFAULT; |
88a8c984 RV |
5242 | break; |
5243 | } | |
5244 | case 1: | |
5245 | ret = -TARGET_EINVAL; | |
5246 | break; | |
5a4a898d | 5247 | } |
8853f86e FB |
5248 | break; |
5249 | case IPCOP_shmdt: | |
88a8c984 | 5250 | ret = do_shmdt(ptr); |
8853f86e FB |
5251 | break; |
5252 | ||
5253 | case IPCOP_shmget: | |
5254 | /* IPC_* flag values are the same on all linux platforms */ | |
5255 | ret = get_errno(shmget(first, second, third)); | |
5256 | break; | |
5257 | ||
5258 | /* IPC_* and SHM_* command values are the same on all linux platforms */ | |
5259 | case IPCOP_shmctl: | |
a2926784 | 5260 | ret = do_shmctl(first, second, ptr); |
8853f86e FB |
5261 | break; |
5262 | default: | |
32407103 | 5263 | gemu_log("Unsupported ipc call: %d (version %d)\n", call, version); |
0da46a6e | 5264 | ret = -TARGET_ENOSYS; |
8853f86e FB |
5265 | break; |
5266 | } | |
5267 | return ret; | |
5268 | } | |
32407103 | 5269 | #endif |
8853f86e | 5270 | |
31e31b8a | 5271 | /* kernel structure types definitions */ |
31e31b8a | 5272 | |
001faf32 | 5273 | #define STRUCT(name, ...) STRUCT_ ## name, |
31e31b8a FB |
5274 | #define STRUCT_SPECIAL(name) STRUCT_ ## name, |
5275 | enum { | |
5276 | #include "syscall_types.h" | |
8be656b8 | 5277 | STRUCT_MAX |
31e31b8a FB |
5278 | }; |
5279 | #undef STRUCT | |
5280 | #undef STRUCT_SPECIAL | |
5281 | ||
001faf32 | 5282 | #define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL }; |
31e31b8a FB |
5283 | #define STRUCT_SPECIAL(name) |
5284 | #include "syscall_types.h" | |
5285 | #undef STRUCT | |
5286 | #undef STRUCT_SPECIAL | |
5287 | ||
d2ef05bb PM |
5288 | typedef struct IOCTLEntry IOCTLEntry; |
5289 | ||
5290 | typedef abi_long do_ioctl_fn(const IOCTLEntry *ie, uint8_t *buf_temp, | |
45c874eb | 5291 | int fd, int cmd, abi_long arg); |
d2ef05bb PM |
5292 | |
5293 | struct IOCTLEntry { | |
9c6bf9c7 | 5294 | int target_cmd; |
2ab83ea7 | 5295 | unsigned int host_cmd; |
31e31b8a FB |
5296 | const char *name; |
5297 | int access; | |
d2ef05bb | 5298 | do_ioctl_fn *do_ioctl; |
1a9353d2 | 5299 | const argtype arg_type[5]; |
d2ef05bb | 5300 | }; |
31e31b8a FB |
5301 | |
5302 | #define IOC_R 0x0001 | |
5303 | #define IOC_W 0x0002 | |
5304 | #define IOC_RW (IOC_R | IOC_W) | |
5305 | ||
5306 | #define MAX_STRUCT_SIZE 4096 | |
5307 | ||
dace20dc | 5308 | #ifdef CONFIG_FIEMAP |
285da2b9 PM |
5309 | /* So fiemap access checks don't overflow on 32 bit systems. |
5310 | * This is very slightly smaller than the limit imposed by | |
5311 | * the underlying kernel. | |
5312 | */ | |
5313 | #define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \ | |
5314 | / sizeof(struct fiemap_extent)) | |
5315 | ||
5316 | static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp, | |
45c874eb | 5317 | int fd, int cmd, abi_long arg) |
285da2b9 PM |
5318 | { |
5319 | /* The parameter for this ioctl is a struct fiemap followed | |
5320 | * by an array of struct fiemap_extent whose size is set | |
5321 | * in fiemap->fm_extent_count. The array is filled in by the | |
5322 | * ioctl. | |
5323 | */ | |
5324 | int target_size_in, target_size_out; | |
5325 | struct fiemap *fm; | |
5326 | const argtype *arg_type = ie->arg_type; | |
5327 | const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) }; | |
5328 | void *argptr, *p; | |
5329 | abi_long ret; | |
5330 | int i, extent_size = thunk_type_size(extent_arg_type, 0); | |
5331 | uint32_t outbufsz; | |
5332 | int free_fm = 0; | |
5333 | ||
5334 | assert(arg_type[0] == TYPE_PTR); | |
5335 | assert(ie->access == IOC_RW); | |
5336 | arg_type++; | |
5337 | target_size_in = thunk_type_size(arg_type, 0); | |
5338 | argptr = lock_user(VERIFY_READ, arg, target_size_in, 1); | |
5339 | if (!argptr) { | |
5340 | return -TARGET_EFAULT; | |
5341 | } | |
5342 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
5343 | unlock_user(argptr, arg, 0); | |
5344 | fm = (struct fiemap *)buf_temp; | |
5345 | if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) { | |
5346 | return -TARGET_EINVAL; | |
5347 | } | |
5348 | ||
5349 | outbufsz = sizeof (*fm) + | |
5350 | (sizeof(struct fiemap_extent) * fm->fm_extent_count); | |
5351 | ||
5352 | if (outbufsz > MAX_STRUCT_SIZE) { | |
5353 | /* We can't fit all the extents into the fixed size buffer. | |
5354 | * Allocate one that is large enough and use it instead. | |
5355 | */ | |
0e173b24 | 5356 | fm = g_try_malloc(outbufsz); |
285da2b9 PM |
5357 | if (!fm) { |
5358 | return -TARGET_ENOMEM; | |
5359 | } | |
5360 | memcpy(fm, buf_temp, sizeof(struct fiemap)); | |
5361 | free_fm = 1; | |
5362 | } | |
49ca6f3e | 5363 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, fm)); |
285da2b9 PM |
5364 | if (!is_error(ret)) { |
5365 | target_size_out = target_size_in; | |
5366 | /* An extent_count of 0 means we were only counting the extents | |
5367 | * so there are no structs to copy | |
5368 | */ | |
5369 | if (fm->fm_extent_count != 0) { | |
5370 | target_size_out += fm->fm_mapped_extents * extent_size; | |
5371 | } | |
5372 | argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0); | |
5373 | if (!argptr) { | |
5374 | ret = -TARGET_EFAULT; | |
5375 | } else { | |
5376 | /* Convert the struct fiemap */ | |
5377 | thunk_convert(argptr, fm, arg_type, THUNK_TARGET); | |
5378 | if (fm->fm_extent_count != 0) { | |
5379 | p = argptr + target_size_in; | |
5380 | /* ...and then all the struct fiemap_extents */ | |
5381 | for (i = 0; i < fm->fm_mapped_extents; i++) { | |
5382 | thunk_convert(p, &fm->fm_extents[i], extent_arg_type, | |
5383 | THUNK_TARGET); | |
5384 | p += extent_size; | |
5385 | } | |
5386 | } | |
5387 | unlock_user(argptr, arg, target_size_out); | |
5388 | } | |
5389 | } | |
5390 | if (free_fm) { | |
0e173b24 | 5391 | g_free(fm); |
285da2b9 PM |
5392 | } |
5393 | return ret; | |
5394 | } | |
dace20dc | 5395 | #endif |
285da2b9 | 5396 | |
059c2f2c | 5397 | static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp, |
45c874eb | 5398 | int fd, int cmd, abi_long arg) |
059c2f2c LV |
5399 | { |
5400 | const argtype *arg_type = ie->arg_type; | |
5401 | int target_size; | |
5402 | void *argptr; | |
5403 | int ret; | |
5404 | struct ifconf *host_ifconf; | |
5405 | uint32_t outbufsz; | |
5406 | const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) }; | |
5407 | int target_ifreq_size; | |
5408 | int nb_ifreq; | |
5409 | int free_buf = 0; | |
5410 | int i; | |
5411 | int target_ifc_len; | |
5412 | abi_long target_ifc_buf; | |
5413 | int host_ifc_len; | |
5414 | char *host_ifc_buf; | |
5415 | ||
5416 | assert(arg_type[0] == TYPE_PTR); | |
5417 | assert(ie->access == IOC_RW); | |
5418 | ||
5419 | arg_type++; | |
5420 | target_size = thunk_type_size(arg_type, 0); | |
5421 | ||
5422 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
5423 | if (!argptr) | |
5424 | return -TARGET_EFAULT; | |
5425 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
5426 | unlock_user(argptr, arg, 0); | |
5427 | ||
5428 | host_ifconf = (struct ifconf *)(unsigned long)buf_temp; | |
5429 | target_ifc_len = host_ifconf->ifc_len; | |
5430 | target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf; | |
5431 | ||
5432 | target_ifreq_size = thunk_type_size(ifreq_arg_type, 0); | |
5433 | nb_ifreq = target_ifc_len / target_ifreq_size; | |
5434 | host_ifc_len = nb_ifreq * sizeof(struct ifreq); | |
5435 | ||
5436 | outbufsz = sizeof(*host_ifconf) + host_ifc_len; | |
5437 | if (outbufsz > MAX_STRUCT_SIZE) { | |
5438 | /* We can't fit all the extents into the fixed size buffer. | |
5439 | * Allocate one that is large enough and use it instead. | |
5440 | */ | |
5441 | host_ifconf = malloc(outbufsz); | |
5442 | if (!host_ifconf) { | |
5443 | return -TARGET_ENOMEM; | |
5444 | } | |
5445 | memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf)); | |
5446 | free_buf = 1; | |
5447 | } | |
5448 | host_ifc_buf = (char*)host_ifconf + sizeof(*host_ifconf); | |
5449 | ||
5450 | host_ifconf->ifc_len = host_ifc_len; | |
5451 | host_ifconf->ifc_buf = host_ifc_buf; | |
5452 | ||
49ca6f3e | 5453 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, host_ifconf)); |
059c2f2c LV |
5454 | if (!is_error(ret)) { |
5455 | /* convert host ifc_len to target ifc_len */ | |
5456 | ||
5457 | nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq); | |
5458 | target_ifc_len = nb_ifreq * target_ifreq_size; | |
5459 | host_ifconf->ifc_len = target_ifc_len; | |
5460 | ||
5461 | /* restore target ifc_buf */ | |
5462 | ||
5463 | host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf; | |
5464 | ||
5465 | /* copy struct ifconf to target user */ | |
5466 | ||
5467 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
5468 | if (!argptr) | |
5469 | return -TARGET_EFAULT; | |
5470 | thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET); | |
5471 | unlock_user(argptr, arg, target_size); | |
5472 | ||
5473 | /* copy ifreq[] to target user */ | |
5474 | ||
5475 | argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0); | |
5476 | for (i = 0; i < nb_ifreq ; i++) { | |
5477 | thunk_convert(argptr + i * target_ifreq_size, | |
5478 | host_ifc_buf + i * sizeof(struct ifreq), | |
5479 | ifreq_arg_type, THUNK_TARGET); | |
5480 | } | |
5481 | unlock_user(argptr, target_ifc_buf, target_ifc_len); | |
5482 | } | |
5483 | ||
5484 | if (free_buf) { | |
5485 | free(host_ifconf); | |
5486 | } | |
5487 | ||
5488 | return ret; | |
5489 | } | |
5490 | ||
56e904ec | 5491 | static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd, |
45c874eb | 5492 | int cmd, abi_long arg) |
56e904ec AG |
5493 | { |
5494 | void *argptr; | |
5495 | struct dm_ioctl *host_dm; | |
5496 | abi_long guest_data; | |
5497 | uint32_t guest_data_size; | |
5498 | int target_size; | |
5499 | const argtype *arg_type = ie->arg_type; | |
5500 | abi_long ret; | |
5501 | void *big_buf = NULL; | |
5502 | char *host_data; | |
5503 | ||
5504 | arg_type++; | |
5505 | target_size = thunk_type_size(arg_type, 0); | |
5506 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
5507 | if (!argptr) { | |
5508 | ret = -TARGET_EFAULT; | |
5509 | goto out; | |
5510 | } | |
5511 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
5512 | unlock_user(argptr, arg, 0); | |
5513 | ||
5514 | /* buf_temp is too small, so fetch things into a bigger buffer */ | |
5515 | big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2); | |
5516 | memcpy(big_buf, buf_temp, target_size); | |
5517 | buf_temp = big_buf; | |
5518 | host_dm = big_buf; | |
5519 | ||
5520 | guest_data = arg + host_dm->data_start; | |
5521 | if ((guest_data - arg) < 0) { | |
f9757b1d | 5522 | ret = -TARGET_EINVAL; |
56e904ec AG |
5523 | goto out; |
5524 | } | |
5525 | guest_data_size = host_dm->data_size - host_dm->data_start; | |
5526 | host_data = (char*)host_dm + host_dm->data_start; | |
5527 | ||
5528 | argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1); | |
3211215e PM |
5529 | if (!argptr) { |
5530 | ret = -TARGET_EFAULT; | |
5531 | goto out; | |
5532 | } | |
5533 | ||
56e904ec AG |
5534 | switch (ie->host_cmd) { |
5535 | case DM_REMOVE_ALL: | |
5536 | case DM_LIST_DEVICES: | |
5537 | case DM_DEV_CREATE: | |
5538 | case DM_DEV_REMOVE: | |
5539 | case DM_DEV_SUSPEND: | |
5540 | case DM_DEV_STATUS: | |
5541 | case DM_DEV_WAIT: | |
5542 | case DM_TABLE_STATUS: | |
5543 | case DM_TABLE_CLEAR: | |
5544 | case DM_TABLE_DEPS: | |
5545 | case DM_LIST_VERSIONS: | |
5546 | /* no input data */ | |
5547 | break; | |
5548 | case DM_DEV_RENAME: | |
5549 | case DM_DEV_SET_GEOMETRY: | |
5550 | /* data contains only strings */ | |
5551 | memcpy(host_data, argptr, guest_data_size); | |
5552 | break; | |
5553 | case DM_TARGET_MSG: | |
5554 | memcpy(host_data, argptr, guest_data_size); | |
5555 | *(uint64_t*)host_data = tswap64(*(uint64_t*)argptr); | |
5556 | break; | |
5557 | case DM_TABLE_LOAD: | |
5558 | { | |
5559 | void *gspec = argptr; | |
5560 | void *cur_data = host_data; | |
5561 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) }; | |
5562 | int spec_size = thunk_type_size(arg_type, 0); | |
5563 | int i; | |
5564 | ||
5565 | for (i = 0; i < host_dm->target_count; i++) { | |
5566 | struct dm_target_spec *spec = cur_data; | |
5567 | uint32_t next; | |
5568 | int slen; | |
5569 | ||
5570 | thunk_convert(spec, gspec, arg_type, THUNK_HOST); | |
5571 | slen = strlen((char*)gspec + spec_size) + 1; | |
5572 | next = spec->next; | |
5573 | spec->next = sizeof(*spec) + slen; | |
5574 | strcpy((char*)&spec[1], gspec + spec_size); | |
5575 | gspec += next; | |
5576 | cur_data += spec->next; | |
5577 | } | |
5578 | break; | |
5579 | } | |
5580 | default: | |
5581 | ret = -TARGET_EINVAL; | |
dec0473d | 5582 | unlock_user(argptr, guest_data, 0); |
56e904ec AG |
5583 | goto out; |
5584 | } | |
5585 | unlock_user(argptr, guest_data, 0); | |
5586 | ||
49ca6f3e | 5587 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
56e904ec AG |
5588 | if (!is_error(ret)) { |
5589 | guest_data = arg + host_dm->data_start; | |
5590 | guest_data_size = host_dm->data_size - host_dm->data_start; | |
5591 | argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0); | |
5592 | switch (ie->host_cmd) { | |
5593 | case DM_REMOVE_ALL: | |
5594 | case DM_DEV_CREATE: | |
5595 | case DM_DEV_REMOVE: | |
5596 | case DM_DEV_RENAME: | |
5597 | case DM_DEV_SUSPEND: | |
5598 | case DM_DEV_STATUS: | |
5599 | case DM_TABLE_LOAD: | |
5600 | case DM_TABLE_CLEAR: | |
5601 | case DM_TARGET_MSG: | |
5602 | case DM_DEV_SET_GEOMETRY: | |
5603 | /* no return data */ | |
5604 | break; | |
5605 | case DM_LIST_DEVICES: | |
5606 | { | |
5607 | struct dm_name_list *nl = (void*)host_dm + host_dm->data_start; | |
5608 | uint32_t remaining_data = guest_data_size; | |
5609 | void *cur_data = argptr; | |
5610 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) }; | |
5611 | int nl_size = 12; /* can't use thunk_size due to alignment */ | |
5612 | ||
5613 | while (1) { | |
5614 | uint32_t next = nl->next; | |
5615 | if (next) { | |
5616 | nl->next = nl_size + (strlen(nl->name) + 1); | |
5617 | } | |
5618 | if (remaining_data < nl->next) { | |
5619 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
5620 | break; | |
5621 | } | |
5622 | thunk_convert(cur_data, nl, arg_type, THUNK_TARGET); | |
5623 | strcpy(cur_data + nl_size, nl->name); | |
5624 | cur_data += nl->next; | |
5625 | remaining_data -= nl->next; | |
5626 | if (!next) { | |
5627 | break; | |
5628 | } | |
5629 | nl = (void*)nl + next; | |
5630 | } | |
5631 | break; | |
5632 | } | |
5633 | case DM_DEV_WAIT: | |
5634 | case DM_TABLE_STATUS: | |
5635 | { | |
5636 | struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start; | |
5637 | void *cur_data = argptr; | |
5638 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) }; | |
5639 | int spec_size = thunk_type_size(arg_type, 0); | |
5640 | int i; | |
5641 | ||
5642 | for (i = 0; i < host_dm->target_count; i++) { | |
5643 | uint32_t next = spec->next; | |
5644 | int slen = strlen((char*)&spec[1]) + 1; | |
5645 | spec->next = (cur_data - argptr) + spec_size + slen; | |
5646 | if (guest_data_size < spec->next) { | |
5647 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
5648 | break; | |
5649 | } | |
5650 | thunk_convert(cur_data, spec, arg_type, THUNK_TARGET); | |
5651 | strcpy(cur_data + spec_size, (char*)&spec[1]); | |
5652 | cur_data = argptr + spec->next; | |
5653 | spec = (void*)host_dm + host_dm->data_start + next; | |
5654 | } | |
5655 | break; | |
5656 | } | |
5657 | case DM_TABLE_DEPS: | |
5658 | { | |
5659 | void *hdata = (void*)host_dm + host_dm->data_start; | |
5660 | int count = *(uint32_t*)hdata; | |
5661 | uint64_t *hdev = hdata + 8; | |
5662 | uint64_t *gdev = argptr + 8; | |
5663 | int i; | |
5664 | ||
5665 | *(uint32_t*)argptr = tswap32(count); | |
5666 | for (i = 0; i < count; i++) { | |
5667 | *gdev = tswap64(*hdev); | |
5668 | gdev++; | |
5669 | hdev++; | |
5670 | } | |
5671 | break; | |
5672 | } | |
5673 | case DM_LIST_VERSIONS: | |
5674 | { | |
5675 | struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start; | |
5676 | uint32_t remaining_data = guest_data_size; | |
5677 | void *cur_data = argptr; | |
5678 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) }; | |
5679 | int vers_size = thunk_type_size(arg_type, 0); | |
5680 | ||
5681 | while (1) { | |
5682 | uint32_t next = vers->next; | |
5683 | if (next) { | |
5684 | vers->next = vers_size + (strlen(vers->name) + 1); | |
5685 | } | |
5686 | if (remaining_data < vers->next) { | |
5687 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
5688 | break; | |
5689 | } | |
5690 | thunk_convert(cur_data, vers, arg_type, THUNK_TARGET); | |
5691 | strcpy(cur_data + vers_size, vers->name); | |
5692 | cur_data += vers->next; | |
5693 | remaining_data -= vers->next; | |
5694 | if (!next) { | |
5695 | break; | |
5696 | } | |
5697 | vers = (void*)vers + next; | |
5698 | } | |
5699 | break; | |
5700 | } | |
5701 | default: | |
dec0473d | 5702 | unlock_user(argptr, guest_data, 0); |
56e904ec AG |
5703 | ret = -TARGET_EINVAL; |
5704 | goto out; | |
5705 | } | |
5706 | unlock_user(argptr, guest_data, guest_data_size); | |
5707 | ||
5708 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
5709 | if (!argptr) { | |
5710 | ret = -TARGET_EFAULT; | |
5711 | goto out; | |
5712 | } | |
5713 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); | |
5714 | unlock_user(argptr, arg, target_size); | |
5715 | } | |
5716 | out: | |
ad11ad77 | 5717 | g_free(big_buf); |
56e904ec AG |
5718 | return ret; |
5719 | } | |
5720 | ||
a59b5e35 | 5721 | static abi_long do_ioctl_blkpg(const IOCTLEntry *ie, uint8_t *buf_temp, int fd, |
45c874eb | 5722 | int cmd, abi_long arg) |
a59b5e35 AG |
5723 | { |
5724 | void *argptr; | |
5725 | int target_size; | |
5726 | const argtype *arg_type = ie->arg_type; | |
5727 | const argtype part_arg_type[] = { MK_STRUCT(STRUCT_blkpg_partition) }; | |
5728 | abi_long ret; | |
5729 | ||
5730 | struct blkpg_ioctl_arg *host_blkpg = (void*)buf_temp; | |
5731 | struct blkpg_partition host_part; | |
5732 | ||
5733 | /* Read and convert blkpg */ | |
5734 | arg_type++; | |
5735 | target_size = thunk_type_size(arg_type, 0); | |
5736 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
5737 | if (!argptr) { | |
5738 | ret = -TARGET_EFAULT; | |
5739 | goto out; | |
5740 | } | |
5741 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
5742 | unlock_user(argptr, arg, 0); | |
5743 | ||
5744 | switch (host_blkpg->op) { | |
5745 | case BLKPG_ADD_PARTITION: | |
5746 | case BLKPG_DEL_PARTITION: | |
5747 | /* payload is struct blkpg_partition */ | |
5748 | break; | |
5749 | default: | |
5750 | /* Unknown opcode */ | |
5751 | ret = -TARGET_EINVAL; | |
5752 | goto out; | |
5753 | } | |
5754 | ||
5755 | /* Read and convert blkpg->data */ | |
5756 | arg = (abi_long)(uintptr_t)host_blkpg->data; | |
5757 | target_size = thunk_type_size(part_arg_type, 0); | |
5758 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
5759 | if (!argptr) { | |
5760 | ret = -TARGET_EFAULT; | |
5761 | goto out; | |
5762 | } | |
5763 | thunk_convert(&host_part, argptr, part_arg_type, THUNK_HOST); | |
5764 | unlock_user(argptr, arg, 0); | |
5765 | ||
5766 | /* Swizzle the data pointer to our local copy and call! */ | |
5767 | host_blkpg->data = &host_part; | |
49ca6f3e | 5768 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, host_blkpg)); |
a59b5e35 AG |
5769 | |
5770 | out: | |
5771 | return ret; | |
5772 | } | |
5773 | ||
7ff7b666 | 5774 | static abi_long do_ioctl_rt(const IOCTLEntry *ie, uint8_t *buf_temp, |
45c874eb | 5775 | int fd, int cmd, abi_long arg) |
7ff7b666 LV |
5776 | { |
5777 | const argtype *arg_type = ie->arg_type; | |
5778 | const StructEntry *se; | |
5779 | const argtype *field_types; | |
5780 | const int *dst_offsets, *src_offsets; | |
5781 | int target_size; | |
5782 | void *argptr; | |
5783 | abi_ulong *target_rt_dev_ptr; | |
5784 | unsigned long *host_rt_dev_ptr; | |
5785 | abi_long ret; | |
5786 | int i; | |
5787 | ||
5788 | assert(ie->access == IOC_W); | |
5789 | assert(*arg_type == TYPE_PTR); | |
5790 | arg_type++; | |
5791 | assert(*arg_type == TYPE_STRUCT); | |
5792 | target_size = thunk_type_size(arg_type, 0); | |
5793 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
5794 | if (!argptr) { | |
5795 | return -TARGET_EFAULT; | |
5796 | } | |
5797 | arg_type++; | |
5798 | assert(*arg_type == (int)STRUCT_rtentry); | |
5799 | se = struct_entries + *arg_type++; | |
5800 | assert(se->convert[0] == NULL); | |
5801 | /* convert struct here to be able to catch rt_dev string */ | |
5802 | field_types = se->field_types; | |
5803 | dst_offsets = se->field_offsets[THUNK_HOST]; | |
5804 | src_offsets = se->field_offsets[THUNK_TARGET]; | |
5805 | for (i = 0; i < se->nb_fields; i++) { | |
5806 | if (dst_offsets[i] == offsetof(struct rtentry, rt_dev)) { | |
5807 | assert(*field_types == TYPE_PTRVOID); | |
5808 | target_rt_dev_ptr = (abi_ulong *)(argptr + src_offsets[i]); | |
5809 | host_rt_dev_ptr = (unsigned long *)(buf_temp + dst_offsets[i]); | |
5810 | if (*target_rt_dev_ptr != 0) { | |
5811 | *host_rt_dev_ptr = (unsigned long)lock_user_string( | |
5812 | tswapal(*target_rt_dev_ptr)); | |
5813 | if (!*host_rt_dev_ptr) { | |
5814 | unlock_user(argptr, arg, 0); | |
5815 | return -TARGET_EFAULT; | |
5816 | } | |
5817 | } else { | |
5818 | *host_rt_dev_ptr = 0; | |
5819 | } | |
5820 | field_types++; | |
5821 | continue; | |
5822 | } | |
5823 | field_types = thunk_convert(buf_temp + dst_offsets[i], | |
5824 | argptr + src_offsets[i], | |
5825 | field_types, THUNK_HOST); | |
5826 | } | |
5827 | unlock_user(argptr, arg, 0); | |
5828 | ||
49ca6f3e | 5829 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
7ff7b666 LV |
5830 | if (*host_rt_dev_ptr != 0) { |
5831 | unlock_user((void *)*host_rt_dev_ptr, | |
5832 | *target_rt_dev_ptr, 0); | |
5833 | } | |
5834 | return ret; | |
5835 | } | |
5836 | ||
ca56f5b5 | 5837 | static abi_long do_ioctl_kdsigaccept(const IOCTLEntry *ie, uint8_t *buf_temp, |
45c874eb | 5838 | int fd, int cmd, abi_long arg) |
ca56f5b5 PB |
5839 | { |
5840 | int sig = target_to_host_signal(arg); | |
49ca6f3e | 5841 | return get_errno(safe_ioctl(fd, ie->host_cmd, sig)); |
ca56f5b5 PB |
5842 | } |
5843 | ||
2b74f621 AS |
5844 | #ifdef TIOCGPTPEER |
5845 | static abi_long do_ioctl_tiocgptpeer(const IOCTLEntry *ie, uint8_t *buf_temp, | |
5846 | int fd, int cmd, abi_long arg) | |
5847 | { | |
5848 | int flags = target_to_host_bitmask(arg, fcntl_flags_tbl); | |
5849 | return get_errno(safe_ioctl(fd, ie->host_cmd, flags)); | |
5850 | } | |
5851 | #endif | |
5852 | ||
9f106a75 | 5853 | static IOCTLEntry ioctl_entries[] = { |
001faf32 | 5854 | #define IOCTL(cmd, access, ...) \ |
d2ef05bb PM |
5855 | { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } }, |
5856 | #define IOCTL_SPECIAL(cmd, access, dofn, ...) \ | |
5857 | { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } }, | |
8cb762fe HD |
5858 | #define IOCTL_IGNORE(cmd) \ |
5859 | { TARGET_ ## cmd, 0, #cmd }, | |
31e31b8a FB |
5860 | #include "ioctls.h" |
5861 | { 0, 0, }, | |
5862 | }; | |
5863 | ||
53a5960a | 5864 | /* ??? Implement proper locking for ioctls. */ |
0da46a6e | 5865 | /* do_ioctl() Must return target values and target errnos. */ |
45c874eb | 5866 | static abi_long do_ioctl(int fd, int cmd, abi_long arg) |
31e31b8a FB |
5867 | { |
5868 | const IOCTLEntry *ie; | |
5869 | const argtype *arg_type; | |
992f48a0 | 5870 | abi_long ret; |
31e31b8a | 5871 | uint8_t buf_temp[MAX_STRUCT_SIZE]; |
53a5960a PB |
5872 | int target_size; |
5873 | void *argptr; | |
31e31b8a FB |
5874 | |
5875 | ie = ioctl_entries; | |
5876 | for(;;) { | |
5877 | if (ie->target_cmd == 0) { | |
32407103 | 5878 | gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd); |
0da46a6e | 5879 | return -TARGET_ENOSYS; |
31e31b8a FB |
5880 | } |
5881 | if (ie->target_cmd == cmd) | |
5882 | break; | |
5883 | ie++; | |
5884 | } | |
5885 | arg_type = ie->arg_type; | |
d2ef05bb PM |
5886 | if (ie->do_ioctl) { |
5887 | return ie->do_ioctl(ie, buf_temp, fd, cmd, arg); | |
8cb762fe HD |
5888 | } else if (!ie->host_cmd) { |
5889 | /* Some architectures define BSD ioctls in their headers | |
5890 | that are not implemented in Linux. */ | |
5891 | return -TARGET_ENOSYS; | |
d2ef05bb PM |
5892 | } |
5893 | ||
31e31b8a FB |
5894 | switch(arg_type[0]) { |
5895 | case TYPE_NULL: | |
5896 | /* no argument */ | |
49ca6f3e | 5897 | ret = get_errno(safe_ioctl(fd, ie->host_cmd)); |
31e31b8a FB |
5898 | break; |
5899 | case TYPE_PTRVOID: | |
5900 | case TYPE_INT: | |
49ca6f3e | 5901 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, arg)); |
31e31b8a FB |
5902 | break; |
5903 | case TYPE_PTR: | |
5904 | arg_type++; | |
53a5960a | 5905 | target_size = thunk_type_size(arg_type, 0); |
31e31b8a FB |
5906 | switch(ie->access) { |
5907 | case IOC_R: | |
49ca6f3e | 5908 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
31e31b8a | 5909 | if (!is_error(ret)) { |
579a97f7 FB |
5910 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); |
5911 | if (!argptr) | |
5912 | return -TARGET_EFAULT; | |
53a5960a PB |
5913 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
5914 | unlock_user(argptr, arg, target_size); | |
31e31b8a FB |
5915 | } |
5916 | break; | |
5917 | case IOC_W: | |
579a97f7 FB |
5918 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); |
5919 | if (!argptr) | |
5920 | return -TARGET_EFAULT; | |
53a5960a PB |
5921 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
5922 | unlock_user(argptr, arg, 0); | |
49ca6f3e | 5923 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
31e31b8a FB |
5924 | break; |
5925 | default: | |
5926 | case IOC_RW: | |
579a97f7 FB |
5927 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); |
5928 | if (!argptr) | |
5929 | return -TARGET_EFAULT; | |
53a5960a PB |
5930 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
5931 | unlock_user(argptr, arg, 0); | |
49ca6f3e | 5932 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
31e31b8a | 5933 | if (!is_error(ret)) { |
579a97f7 FB |
5934 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); |
5935 | if (!argptr) | |
5936 | return -TARGET_EFAULT; | |
53a5960a PB |
5937 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
5938 | unlock_user(argptr, arg, target_size); | |
31e31b8a FB |
5939 | } |
5940 | break; | |
5941 | } | |
5942 | break; | |
5943 | default: | |
32407103 JM |
5944 | gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", |
5945 | (long)cmd, arg_type[0]); | |
0da46a6e | 5946 | ret = -TARGET_ENOSYS; |
31e31b8a FB |
5947 | break; |
5948 | } | |
5949 | return ret; | |
5950 | } | |
5951 | ||
b39bc503 | 5952 | static const bitmask_transtbl iflag_tbl[] = { |
31e31b8a FB |
5953 | { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, |
5954 | { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, | |
5955 | { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, | |
5956 | { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, | |
5957 | { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, | |
5958 | { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, | |
5959 | { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, | |
5960 | { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, | |
5961 | { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, | |
5962 | { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, | |
5963 | { TARGET_IXON, TARGET_IXON, IXON, IXON }, | |
5964 | { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, | |
5965 | { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, | |
5966 | { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, | |
5967 | { 0, 0, 0, 0 } | |
5968 | }; | |
5969 | ||
b39bc503 | 5970 | static const bitmask_transtbl oflag_tbl[] = { |
31e31b8a FB |
5971 | { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, |
5972 | { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, | |
5973 | { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, | |
5974 | { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, | |
5975 | { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, | |
5976 | { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, | |
5977 | { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, | |
5978 | { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, | |
5979 | { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, | |
5980 | { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, | |
5981 | { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, | |
5982 | { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, | |
5983 | { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, | |
5984 | { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, | |
5985 | { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, | |
5986 | { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, | |
5987 | { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, | |
5988 | { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, | |
5989 | { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, | |
5990 | { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, | |
5991 | { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, | |
5992 | { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, | |
5993 | { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, | |
5994 | { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, | |
5995 | { 0, 0, 0, 0 } | |
5996 | }; | |
5997 | ||
b39bc503 | 5998 | static const bitmask_transtbl cflag_tbl[] = { |
31e31b8a FB |
5999 | { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, |
6000 | { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, | |
6001 | { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, | |
6002 | { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, | |
6003 | { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, | |
6004 | { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, | |
6005 | { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, | |
6006 | { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, | |
6007 | { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, | |
6008 | { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, | |
6009 | { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, | |
6010 | { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, | |
6011 | { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, | |
6012 | { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, | |
6013 | { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, | |
6014 | { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, | |
6015 | { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, | |
6016 | { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, | |
6017 | { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, | |
6018 | { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, | |
6019 | { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, | |
6020 | { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, | |
6021 | { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, | |
6022 | { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, | |
6023 | { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, | |
6024 | { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, | |
6025 | { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, | |
6026 | { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, | |
6027 | { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, | |
6028 | { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, | |
6029 | { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, | |
6030 | { 0, 0, 0, 0 } | |
6031 | }; | |
6032 | ||
b39bc503 | 6033 | static const bitmask_transtbl lflag_tbl[] = { |
31e31b8a FB |
6034 | { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, |
6035 | { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, | |
6036 | { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, | |
6037 | { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, | |
6038 | { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, | |
6039 | { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, | |
6040 | { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, | |
6041 | { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, | |
6042 | { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, | |
6043 | { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, | |
6044 | { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, | |
6045 | { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, | |
6046 | { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, | |
6047 | { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, | |
6048 | { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, | |
6049 | { 0, 0, 0, 0 } | |
6050 | }; | |
6051 | ||
6052 | static void target_to_host_termios (void *dst, const void *src) | |
6053 | { | |
6054 | struct host_termios *host = dst; | |
6055 | const struct target_termios *target = src; | |
3b46e624 | 6056 | |
5fafdf24 | 6057 | host->c_iflag = |
31e31b8a | 6058 | target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); |
5fafdf24 | 6059 | host->c_oflag = |
31e31b8a | 6060 | target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); |
5fafdf24 | 6061 | host->c_cflag = |
31e31b8a | 6062 | target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); |
5fafdf24 | 6063 | host->c_lflag = |
31e31b8a FB |
6064 | target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); |
6065 | host->c_line = target->c_line; | |
3b46e624 | 6066 | |
44607123 | 6067 | memset(host->c_cc, 0, sizeof(host->c_cc)); |
5fafdf24 TS |
6068 | host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; |
6069 | host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; | |
3b46e624 | 6070 | host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; |
5fafdf24 | 6071 | host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; |
3b46e624 | 6072 | host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; |
5fafdf24 | 6073 | host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; |
3b46e624 | 6074 | host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; |
5fafdf24 | 6075 | host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; |
3b46e624 | 6076 | host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; |
5fafdf24 TS |
6077 | host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; |
6078 | host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; | |
3b46e624 TS |
6079 | host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; |
6080 | host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; | |
6081 | host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; | |
6082 | host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; | |
6083 | host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; | |
5fafdf24 | 6084 | host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; |
31e31b8a | 6085 | } |
3b46e624 | 6086 | |
31e31b8a FB |
6087 | static void host_to_target_termios (void *dst, const void *src) |
6088 | { | |
6089 | struct target_termios *target = dst; | |
6090 | const struct host_termios *host = src; | |
6091 | ||
5fafdf24 | 6092 | target->c_iflag = |
31e31b8a | 6093 | tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); |
5fafdf24 | 6094 | target->c_oflag = |
31e31b8a | 6095 | tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); |
5fafdf24 | 6096 | target->c_cflag = |
31e31b8a | 6097 | tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); |
5fafdf24 | 6098 | target->c_lflag = |
31e31b8a FB |
6099 | tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); |
6100 | target->c_line = host->c_line; | |
3b46e624 | 6101 | |
44607123 | 6102 | memset(target->c_cc, 0, sizeof(target->c_cc)); |
31e31b8a FB |
6103 | target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; |
6104 | target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; | |
6105 | target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; | |
6106 | target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; | |
6107 | target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; | |
6108 | target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; | |
6109 | target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; | |
6110 | target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; | |
6111 | target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; | |
6112 | target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; | |
6113 | target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; | |
6114 | target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; | |
6115 | target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; | |
6116 | target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; | |
6117 | target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; | |
6118 | target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; | |
6119 | target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; | |
6120 | } | |
6121 | ||
8e853dc7 | 6122 | static const StructEntry struct_termios_def = { |
31e31b8a FB |
6123 | .convert = { host_to_target_termios, target_to_host_termios }, |
6124 | .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, | |
6125 | .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, | |
6126 | }; | |
6127 | ||
5286db75 | 6128 | static bitmask_transtbl mmap_flags_tbl[] = { |
541e1690 HD |
6129 | { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED }, |
6130 | { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE }, | |
6131 | { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED }, | |
6132 | { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, | |
6133 | MAP_ANONYMOUS, MAP_ANONYMOUS }, | |
6134 | { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, | |
6135 | MAP_GROWSDOWN, MAP_GROWSDOWN }, | |
6136 | { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, | |
6137 | MAP_DENYWRITE, MAP_DENYWRITE }, | |
6138 | { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, | |
6139 | MAP_EXECUTABLE, MAP_EXECUTABLE }, | |
6140 | { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED }, | |
6141 | { TARGET_MAP_NORESERVE, TARGET_MAP_NORESERVE, | |
6142 | MAP_NORESERVE, MAP_NORESERVE }, | |
6143 | { TARGET_MAP_HUGETLB, TARGET_MAP_HUGETLB, MAP_HUGETLB, MAP_HUGETLB }, | |
6144 | /* MAP_STACK had been ignored by the kernel for quite some time. | |
6145 | Recognize it for the target insofar as we do not want to pass | |
6146 | it through to the host. */ | |
6147 | { TARGET_MAP_STACK, TARGET_MAP_STACK, 0, 0 }, | |
6148 | { 0, 0, 0, 0 } | |
5286db75 FB |
6149 | }; |
6150 | ||
2ab83ea7 | 6151 | #if defined(TARGET_I386) |
6dbad63e FB |
6152 | |
6153 | /* NOTE: there is really one LDT for all the threads */ | |
b1d8e52e | 6154 | static uint8_t *ldt_table; |
6dbad63e | 6155 | |
03acab66 | 6156 | static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount) |
6dbad63e FB |
6157 | { |
6158 | int size; | |
53a5960a | 6159 | void *p; |
6dbad63e FB |
6160 | |
6161 | if (!ldt_table) | |
6162 | return 0; | |
6163 | size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; | |
6164 | if (size > bytecount) | |
6165 | size = bytecount; | |
579a97f7 FB |
6166 | p = lock_user(VERIFY_WRITE, ptr, size, 0); |
6167 | if (!p) | |
03acab66 | 6168 | return -TARGET_EFAULT; |
579a97f7 | 6169 | /* ??? Should this by byteswapped? */ |
53a5960a PB |
6170 | memcpy(p, ldt_table, size); |
6171 | unlock_user(p, ptr, size); | |
6dbad63e FB |
6172 | return size; |
6173 | } | |
6174 | ||
6175 | /* XXX: add locking support */ | |
03acab66 FB |
6176 | static abi_long write_ldt(CPUX86State *env, |
6177 | abi_ulong ptr, unsigned long bytecount, int oldmode) | |
6dbad63e FB |
6178 | { |
6179 | struct target_modify_ldt_ldt_s ldt_info; | |
53a5960a | 6180 | struct target_modify_ldt_ldt_s *target_ldt_info; |
6dbad63e | 6181 | int seg_32bit, contents, read_exec_only, limit_in_pages; |
8d18e893 | 6182 | int seg_not_present, useable, lm; |
6dbad63e FB |
6183 | uint32_t *lp, entry_1, entry_2; |
6184 | ||
6185 | if (bytecount != sizeof(ldt_info)) | |
03acab66 | 6186 | return -TARGET_EINVAL; |
579a97f7 | 6187 | if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1)) |
03acab66 | 6188 | return -TARGET_EFAULT; |
53a5960a | 6189 | ldt_info.entry_number = tswap32(target_ldt_info->entry_number); |
cbb21eed | 6190 | ldt_info.base_addr = tswapal(target_ldt_info->base_addr); |
53a5960a PB |
6191 | ldt_info.limit = tswap32(target_ldt_info->limit); |
6192 | ldt_info.flags = tswap32(target_ldt_info->flags); | |
6193 | unlock_user_struct(target_ldt_info, ptr, 0); | |
3b46e624 | 6194 | |
6dbad63e | 6195 | if (ldt_info.entry_number >= TARGET_LDT_ENTRIES) |
03acab66 | 6196 | return -TARGET_EINVAL; |
6dbad63e FB |
6197 | seg_32bit = ldt_info.flags & 1; |
6198 | contents = (ldt_info.flags >> 1) & 3; | |
6199 | read_exec_only = (ldt_info.flags >> 3) & 1; | |
6200 | limit_in_pages = (ldt_info.flags >> 4) & 1; | |
6201 | seg_not_present = (ldt_info.flags >> 5) & 1; | |
6202 | useable = (ldt_info.flags >> 6) & 1; | |
8d18e893 FB |
6203 | #ifdef TARGET_ABI32 |
6204 | lm = 0; | |
6205 | #else | |
6206 | lm = (ldt_info.flags >> 7) & 1; | |
6207 | #endif | |
6dbad63e FB |
6208 | if (contents == 3) { |
6209 | if (oldmode) | |
03acab66 | 6210 | return -TARGET_EINVAL; |
6dbad63e | 6211 | if (seg_not_present == 0) |
03acab66 | 6212 | return -TARGET_EINVAL; |
6dbad63e FB |
6213 | } |
6214 | /* allocate the LDT */ | |
6215 | if (!ldt_table) { | |
e441570f AZ |
6216 | env->ldt.base = target_mmap(0, |
6217 | TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE, | |
6218 | PROT_READ|PROT_WRITE, | |
6219 | MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); | |
6220 | if (env->ldt.base == -1) | |
03acab66 | 6221 | return -TARGET_ENOMEM; |
e441570f AZ |
6222 | memset(g2h(env->ldt.base), 0, |
6223 | TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); | |
6dbad63e | 6224 | env->ldt.limit = 0xffff; |
e441570f | 6225 | ldt_table = g2h(env->ldt.base); |
6dbad63e FB |
6226 | } |
6227 | ||
6228 | /* NOTE: same code as Linux kernel */ | |
6229 | /* Allow LDTs to be cleared by the user. */ | |
6230 | if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { | |
6231 | if (oldmode || | |
6232 | (contents == 0 && | |
6233 | read_exec_only == 1 && | |
6234 | seg_32bit == 0 && | |
6235 | limit_in_pages == 0 && | |
6236 | seg_not_present == 1 && | |
6237 | useable == 0 )) { | |
6238 | entry_1 = 0; | |
6239 | entry_2 = 0; | |
6240 | goto install; | |
6241 | } | |
6242 | } | |
3b46e624 | 6243 | |
6dbad63e FB |
6244 | entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | |
6245 | (ldt_info.limit & 0x0ffff); | |
6246 | entry_2 = (ldt_info.base_addr & 0xff000000) | | |
6247 | ((ldt_info.base_addr & 0x00ff0000) >> 16) | | |
6248 | (ldt_info.limit & 0xf0000) | | |
6249 | ((read_exec_only ^ 1) << 9) | | |
6250 | (contents << 10) | | |
6251 | ((seg_not_present ^ 1) << 15) | | |
6252 | (seg_32bit << 22) | | |
6253 | (limit_in_pages << 23) | | |
8d18e893 | 6254 | (lm << 21) | |
6dbad63e FB |
6255 | 0x7000; |
6256 | if (!oldmode) | |
6257 | entry_2 |= (useable << 20); | |
14ae3ba7 | 6258 | |
6dbad63e FB |
6259 | /* Install the new entry ... */ |
6260 | install: | |
6261 | lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3)); | |
6262 | lp[0] = tswap32(entry_1); | |
6263 | lp[1] = tswap32(entry_2); | |
6264 | return 0; | |
6265 | } | |
6266 | ||
6267 | /* specific and weird i386 syscalls */ | |
8fcd3692 BS |
6268 | static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr, |
6269 | unsigned long bytecount) | |
6dbad63e | 6270 | { |
03acab66 | 6271 | abi_long ret; |
3b46e624 | 6272 | |
6dbad63e FB |
6273 | switch (func) { |
6274 | case 0: | |
6275 | ret = read_ldt(ptr, bytecount); | |
6276 | break; | |
6277 | case 1: | |
6278 | ret = write_ldt(env, ptr, bytecount, 1); | |
6279 | break; | |
6280 | case 0x11: | |
6281 | ret = write_ldt(env, ptr, bytecount, 0); | |
6282 | break; | |
03acab66 FB |
6283 | default: |
6284 | ret = -TARGET_ENOSYS; | |
6285 | break; | |
6dbad63e FB |
6286 | } |
6287 | return ret; | |
6288 | } | |
1b6b029e | 6289 | |
4583f589 | 6290 | #if defined(TARGET_I386) && defined(TARGET_ABI32) |
bc22eb44 | 6291 | abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr) |
8d18e893 FB |
6292 | { |
6293 | uint64_t *gdt_table = g2h(env->gdt.base); | |
6294 | struct target_modify_ldt_ldt_s ldt_info; | |
6295 | struct target_modify_ldt_ldt_s *target_ldt_info; | |
6296 | int seg_32bit, contents, read_exec_only, limit_in_pages; | |
6297 | int seg_not_present, useable, lm; | |
6298 | uint32_t *lp, entry_1, entry_2; | |
6299 | int i; | |
6300 | ||
6301 | lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); | |
6302 | if (!target_ldt_info) | |
6303 | return -TARGET_EFAULT; | |
6304 | ldt_info.entry_number = tswap32(target_ldt_info->entry_number); | |
cbb21eed | 6305 | ldt_info.base_addr = tswapal(target_ldt_info->base_addr); |
8d18e893 FB |
6306 | ldt_info.limit = tswap32(target_ldt_info->limit); |
6307 | ldt_info.flags = tswap32(target_ldt_info->flags); | |
6308 | if (ldt_info.entry_number == -1) { | |
6309 | for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) { | |
6310 | if (gdt_table[i] == 0) { | |
6311 | ldt_info.entry_number = i; | |
6312 | target_ldt_info->entry_number = tswap32(i); | |
6313 | break; | |
6314 | } | |
6315 | } | |
6316 | } | |
6317 | unlock_user_struct(target_ldt_info, ptr, 1); | |
6318 | ||
6319 | if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN || | |
6320 | ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX) | |
6321 | return -TARGET_EINVAL; | |
6322 | seg_32bit = ldt_info.flags & 1; | |
6323 | contents = (ldt_info.flags >> 1) & 3; | |
6324 | read_exec_only = (ldt_info.flags >> 3) & 1; | |
6325 | limit_in_pages = (ldt_info.flags >> 4) & 1; | |
6326 | seg_not_present = (ldt_info.flags >> 5) & 1; | |
6327 | useable = (ldt_info.flags >> 6) & 1; | |
6328 | #ifdef TARGET_ABI32 | |
6329 | lm = 0; | |
6330 | #else | |
6331 | lm = (ldt_info.flags >> 7) & 1; | |
6332 | #endif | |
6333 | ||
6334 | if (contents == 3) { | |
6335 | if (seg_not_present == 0) | |
6336 | return -TARGET_EINVAL; | |
6337 | } | |
6338 | ||
6339 | /* NOTE: same code as Linux kernel */ | |
6340 | /* Allow LDTs to be cleared by the user. */ | |
6341 | if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { | |
6342 | if ((contents == 0 && | |
6343 | read_exec_only == 1 && | |
6344 | seg_32bit == 0 && | |
6345 | limit_in_pages == 0 && | |
6346 | seg_not_present == 1 && | |
6347 | useable == 0 )) { | |
6348 | entry_1 = 0; | |
6349 | entry_2 = 0; | |
6350 | goto install; | |
6351 | } | |
6352 | } | |
6353 | ||
6354 | entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | | |
6355 | (ldt_info.limit & 0x0ffff); | |
6356 | entry_2 = (ldt_info.base_addr & 0xff000000) | | |
6357 | ((ldt_info.base_addr & 0x00ff0000) >> 16) | | |
6358 | (ldt_info.limit & 0xf0000) | | |
6359 | ((read_exec_only ^ 1) << 9) | | |
6360 | (contents << 10) | | |
6361 | ((seg_not_present ^ 1) << 15) | | |
6362 | (seg_32bit << 22) | | |
6363 | (limit_in_pages << 23) | | |
6364 | (useable << 20) | | |
6365 | (lm << 21) | | |
6366 | 0x7000; | |
6367 | ||
6368 | /* Install the new entry ... */ | |
6369 | install: | |
6370 | lp = (uint32_t *)(gdt_table + ldt_info.entry_number); | |
6371 | lp[0] = tswap32(entry_1); | |
6372 | lp[1] = tswap32(entry_2); | |
6373 | return 0; | |
6374 | } | |
6375 | ||
8fcd3692 | 6376 | static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr) |
8d18e893 FB |
6377 | { |
6378 | struct target_modify_ldt_ldt_s *target_ldt_info; | |
6379 | uint64_t *gdt_table = g2h(env->gdt.base); | |
6380 | uint32_t base_addr, limit, flags; | |
6381 | int seg_32bit, contents, read_exec_only, limit_in_pages, idx; | |
6382 | int seg_not_present, useable, lm; | |
6383 | uint32_t *lp, entry_1, entry_2; | |
6384 | ||
6385 | lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); | |
6386 | if (!target_ldt_info) | |
6387 | return -TARGET_EFAULT; | |
6388 | idx = tswap32(target_ldt_info->entry_number); | |
6389 | if (idx < TARGET_GDT_ENTRY_TLS_MIN || | |
6390 | idx > TARGET_GDT_ENTRY_TLS_MAX) { | |
6391 | unlock_user_struct(target_ldt_info, ptr, 1); | |
6392 | return -TARGET_EINVAL; | |
6393 | } | |
6394 | lp = (uint32_t *)(gdt_table + idx); | |
6395 | entry_1 = tswap32(lp[0]); | |
6396 | entry_2 = tswap32(lp[1]); | |
6397 | ||
6398 | read_exec_only = ((entry_2 >> 9) & 1) ^ 1; | |
6399 | contents = (entry_2 >> 10) & 3; | |
6400 | seg_not_present = ((entry_2 >> 15) & 1) ^ 1; | |
6401 | seg_32bit = (entry_2 >> 22) & 1; | |
6402 | limit_in_pages = (entry_2 >> 23) & 1; | |
6403 | useable = (entry_2 >> 20) & 1; | |
6404 | #ifdef TARGET_ABI32 | |
6405 | lm = 0; | |
6406 | #else | |
6407 | lm = (entry_2 >> 21) & 1; | |
6408 | #endif | |
6409 | flags = (seg_32bit << 0) | (contents << 1) | | |
6410 | (read_exec_only << 3) | (limit_in_pages << 4) | | |
6411 | (seg_not_present << 5) | (useable << 6) | (lm << 7); | |
6412 | limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000); | |
6413 | base_addr = (entry_1 >> 16) | | |
6414 | (entry_2 & 0xff000000) | | |
6415 | ((entry_2 & 0xff) << 16); | |
cbb21eed | 6416 | target_ldt_info->base_addr = tswapal(base_addr); |
8d18e893 FB |
6417 | target_ldt_info->limit = tswap32(limit); |
6418 | target_ldt_info->flags = tswap32(flags); | |
6419 | unlock_user_struct(target_ldt_info, ptr, 1); | |
6420 | return 0; | |
6421 | } | |
4583f589 | 6422 | #endif /* TARGET_I386 && TARGET_ABI32 */ |
8d18e893 | 6423 | |
d2fd1af7 | 6424 | #ifndef TARGET_ABI32 |
2667e71c | 6425 | abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr) |
d2fd1af7 | 6426 | { |
1add8698 | 6427 | abi_long ret = 0; |
d2fd1af7 FB |
6428 | abi_ulong val; |
6429 | int idx; | |
1add8698 | 6430 | |
d2fd1af7 FB |
6431 | switch(code) { |
6432 | case TARGET_ARCH_SET_GS: | |
6433 | case TARGET_ARCH_SET_FS: | |
6434 | if (code == TARGET_ARCH_SET_GS) | |
6435 | idx = R_GS; | |
6436 | else | |
6437 | idx = R_FS; | |
6438 | cpu_x86_load_seg(env, idx, 0); | |
6439 | env->segs[idx].base = addr; | |
6440 | break; | |
6441 | case TARGET_ARCH_GET_GS: | |
6442 | case TARGET_ARCH_GET_FS: | |
6443 | if (code == TARGET_ARCH_GET_GS) | |
6444 | idx = R_GS; | |
6445 | else | |
6446 | idx = R_FS; | |
6447 | val = env->segs[idx].base; | |
6448 | if (put_user(val, addr, abi_ulong)) | |
1add8698 | 6449 | ret = -TARGET_EFAULT; |
d2fd1af7 FB |
6450 | break; |
6451 | default: | |
6452 | ret = -TARGET_EINVAL; | |
6453 | break; | |
6454 | } | |
1add8698 | 6455 | return ret; |
d2fd1af7 FB |
6456 | } |
6457 | #endif | |
6458 | ||
2ab83ea7 FB |
6459 | #endif /* defined(TARGET_I386) */ |
6460 | ||
05098a93 | 6461 | #define NEW_STACK_SIZE 0x40000 |
d865bab5 | 6462 | |
d865bab5 PB |
6463 | |
6464 | static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER; | |
6465 | typedef struct { | |
9349b4f9 | 6466 | CPUArchState *env; |
d865bab5 PB |
6467 | pthread_mutex_t mutex; |
6468 | pthread_cond_t cond; | |
6469 | pthread_t thread; | |
6470 | uint32_t tid; | |
6471 | abi_ulong child_tidptr; | |
6472 | abi_ulong parent_tidptr; | |
6473 | sigset_t sigmask; | |
6474 | } new_thread_info; | |
6475 | ||
6476 | static void *clone_func(void *arg) | |
6477 | { | |
6478 | new_thread_info *info = arg; | |
9349b4f9 | 6479 | CPUArchState *env; |
0d34282f | 6480 | CPUState *cpu; |
edf8e2af | 6481 | TaskState *ts; |
d865bab5 | 6482 | |
70903763 | 6483 | rcu_register_thread(); |
3468b59e | 6484 | tcg_register_thread(); |
d865bab5 | 6485 | env = info->env; |
0d34282f | 6486 | cpu = ENV_GET_CPU(env); |
a2247f8e | 6487 | thread_cpu = cpu; |
0429a971 | 6488 | ts = (TaskState *)cpu->opaque; |
d865bab5 | 6489 | info->tid = gettid(); |
edf8e2af | 6490 | task_settid(ts); |
d865bab5 PB |
6491 | if (info->child_tidptr) |
6492 | put_user_u32(info->tid, info->child_tidptr); | |
6493 | if (info->parent_tidptr) | |
6494 | put_user_u32(info->tid, info->parent_tidptr); | |
6495 | /* Enable signals. */ | |
6496 | sigprocmask(SIG_SETMASK, &info->sigmask, NULL); | |
6497 | /* Signal to the parent that we're ready. */ | |
6498 | pthread_mutex_lock(&info->mutex); | |
6499 | pthread_cond_broadcast(&info->cond); | |
6500 | pthread_mutex_unlock(&info->mutex); | |
a4dd3d51 | 6501 | /* Wait until the parent has finished initializing the tls state. */ |
d865bab5 PB |
6502 | pthread_mutex_lock(&clone_lock); |
6503 | pthread_mutex_unlock(&clone_lock); | |
6504 | cpu_loop(env); | |
6505 | /* never exits */ | |
6506 | return NULL; | |
6507 | } | |
1b6b029e | 6508 | |
0da46a6e TS |
6509 | /* do_fork() Must return host values and target errnos (unlike most |
6510 | do_*() functions). */ | |
9349b4f9 | 6511 | static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp, |
d865bab5 PB |
6512 | abi_ulong parent_tidptr, target_ulong newtls, |
6513 | abi_ulong child_tidptr) | |
1b6b029e | 6514 | { |
0429a971 | 6515 | CPUState *cpu = ENV_GET_CPU(env); |
1b6b029e | 6516 | int ret; |
5cd4393b | 6517 | TaskState *ts; |
0429a971 | 6518 | CPUState *new_cpu; |
9349b4f9 | 6519 | CPUArchState *new_env; |
d865bab5 | 6520 | sigset_t sigmask; |
3b46e624 | 6521 | |
5ea2fc84 PM |
6522 | flags &= ~CLONE_IGNORED_FLAGS; |
6523 | ||
436d124b AZ |
6524 | /* Emulate vfork() with fork() */ |
6525 | if (flags & CLONE_VFORK) | |
6526 | flags &= ~(CLONE_VFORK | CLONE_VM); | |
6527 | ||
1b6b029e | 6528 | if (flags & CLONE_VM) { |
0429a971 | 6529 | TaskState *parent_ts = (TaskState *)cpu->opaque; |
d865bab5 PB |
6530 | new_thread_info info; |
6531 | pthread_attr_t attr; | |
24cb36a6 | 6532 | |
5ea2fc84 PM |
6533 | if (((flags & CLONE_THREAD_FLAGS) != CLONE_THREAD_FLAGS) || |
6534 | (flags & CLONE_INVALID_THREAD_FLAGS)) { | |
6535 | return -TARGET_EINVAL; | |
6536 | } | |
6537 | ||
c78d65e8 | 6538 | ts = g_new0(TaskState, 1); |
624f7979 | 6539 | init_task_state(ts); |
73a988d9 MF |
6540 | |
6541 | /* Grab a mutex so that thread setup appears atomic. */ | |
6542 | pthread_mutex_lock(&clone_lock); | |
6543 | ||
1b6b029e | 6544 | /* we create a new CPU instance. */ |
c5be9f08 | 6545 | new_env = cpu_copy(env); |
6e68e076 PB |
6546 | /* Init regs that differ from the parent. */ |
6547 | cpu_clone_regs(new_env, newsp); | |
0429a971 AF |
6548 | new_cpu = ENV_GET_CPU(new_env); |
6549 | new_cpu->opaque = ts; | |
edf8e2af MW |
6550 | ts->bprm = parent_ts->bprm; |
6551 | ts->info = parent_ts->info; | |
3d3efba0 | 6552 | ts->signal_mask = parent_ts->signal_mask; |
d865bab5 | 6553 | |
7cfbd386 | 6554 | if (flags & CLONE_CHILD_CLEARTID) { |
c2764719 PB |
6555 | ts->child_tidptr = child_tidptr; |
6556 | } | |
6557 | ||
7cfbd386 | 6558 | if (flags & CLONE_SETTLS) { |
d865bab5 | 6559 | cpu_set_tls (new_env, newtls); |
7cfbd386 | 6560 | } |
d865bab5 | 6561 | |
d865bab5 PB |
6562 | memset(&info, 0, sizeof(info)); |
6563 | pthread_mutex_init(&info.mutex, NULL); | |
6564 | pthread_mutex_lock(&info.mutex); | |
6565 | pthread_cond_init(&info.cond, NULL); | |
6566 | info.env = new_env; | |
7cfbd386 | 6567 | if (flags & CLONE_CHILD_SETTID) { |
d865bab5 | 6568 | info.child_tidptr = child_tidptr; |
7cfbd386 PM |
6569 | } |
6570 | if (flags & CLONE_PARENT_SETTID) { | |
d865bab5 | 6571 | info.parent_tidptr = parent_tidptr; |
7cfbd386 | 6572 | } |
d865bab5 PB |
6573 | |
6574 | ret = pthread_attr_init(&attr); | |
48e15fc2 NF |
6575 | ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE); |
6576 | ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); | |
d865bab5 PB |
6577 | /* It is not safe to deliver signals until the child has finished |
6578 | initializing, so temporarily block all signals. */ | |
6579 | sigfillset(&sigmask); | |
6580 | sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask); | |
6581 | ||
b67cb68b AB |
6582 | /* If this is our first additional thread, we need to ensure we |
6583 | * generate code for parallel execution and flush old translations. | |
6584 | */ | |
6585 | if (!parallel_cpus) { | |
6586 | parallel_cpus = true; | |
6587 | tb_flush(cpu); | |
6588 | } | |
6589 | ||
d865bab5 | 6590 | ret = pthread_create(&info.thread, &attr, clone_func, &info); |
c2764719 | 6591 | /* TODO: Free new CPU state if thread creation failed. */ |
d865bab5 PB |
6592 | |
6593 | sigprocmask(SIG_SETMASK, &info.sigmask, NULL); | |
6594 | pthread_attr_destroy(&attr); | |
6595 | if (ret == 0) { | |
6596 | /* Wait for the child to initialize. */ | |
6597 | pthread_cond_wait(&info.cond, &info.mutex); | |
6598 | ret = info.tid; | |
d865bab5 PB |
6599 | } else { |
6600 | ret = -1; | |
6601 | } | |
6602 | pthread_mutex_unlock(&info.mutex); | |
6603 | pthread_cond_destroy(&info.cond); | |
6604 | pthread_mutex_destroy(&info.mutex); | |
6605 | pthread_mutex_unlock(&clone_lock); | |
1b6b029e FB |
6606 | } else { |
6607 | /* if no CLONE_VM, we consider it is a fork */ | |
5ea2fc84 PM |
6608 | if (flags & CLONE_INVALID_FORK_FLAGS) { |
6609 | return -TARGET_EINVAL; | |
6610 | } | |
6611 | ||
6612 | /* We can't support custom termination signals */ | |
6613 | if ((flags & CSIGNAL) != TARGET_SIGCHLD) { | |
93b4eff8 TB |
6614 | return -TARGET_EINVAL; |
6615 | } | |
7d92d34e TB |
6616 | |
6617 | if (block_signals()) { | |
6618 | return -TARGET_ERESTARTSYS; | |
6619 | } | |
6620 | ||
d865bab5 | 6621 | fork_start(); |
1b6b029e | 6622 | ret = fork(); |
d865bab5 | 6623 | if (ret == 0) { |
2b1319c8 | 6624 | /* Child Process. */ |
d865bab5 PB |
6625 | cpu_clone_regs(env, newsp); |
6626 | fork_end(1); | |
2b1319c8 AJ |
6627 | /* There is a race condition here. The parent process could |
6628 | theoretically read the TID in the child process before the child | |
6629 | tid is set. This would require using either ptrace | |
6630 | (not implemented) or having *_tidptr to point at a shared memory | |
6631 | mapping. We can't repeat the spinlock hack used above because | |
6632 | the child process gets its own copy of the lock. */ | |
d865bab5 PB |
6633 | if (flags & CLONE_CHILD_SETTID) |
6634 | put_user_u32(gettid(), child_tidptr); | |
6635 | if (flags & CLONE_PARENT_SETTID) | |
6636 | put_user_u32(gettid(), parent_tidptr); | |
0429a971 | 6637 | ts = (TaskState *)cpu->opaque; |
d865bab5 PB |
6638 | if (flags & CLONE_SETTLS) |
6639 | cpu_set_tls (env, newtls); | |
c2764719 PB |
6640 | if (flags & CLONE_CHILD_CLEARTID) |
6641 | ts->child_tidptr = child_tidptr; | |
d865bab5 PB |
6642 | } else { |
6643 | fork_end(0); | |
6644 | } | |
1b6b029e FB |
6645 | } |
6646 | return ret; | |
6647 | } | |
6648 | ||
5f106811 APR |
6649 | /* warning : doesn't handle linux specific flags... */ |
6650 | static int target_to_host_fcntl_cmd(int cmd) | |
6651 | { | |
4a545761 SB |
6652 | int ret; |
6653 | ||
5f106811 | 6654 | switch(cmd) { |
4a545761 SB |
6655 | case TARGET_F_DUPFD: |
6656 | case TARGET_F_GETFD: | |
6657 | case TARGET_F_SETFD: | |
6658 | case TARGET_F_GETFL: | |
6659 | case TARGET_F_SETFL: | |
6660 | ret = cmd; | |
6661 | break; | |
6662 | case TARGET_F_GETLK: | |
6663 | ret = F_GETLK64; | |
6664 | break; | |
6665 | case TARGET_F_SETLK: | |
6666 | ret = F_SETLK64; | |
6667 | break; | |
6668 | case TARGET_F_SETLKW: | |
6669 | ret = F_SETLKW64; | |
6670 | break; | |
6671 | case TARGET_F_GETOWN: | |
6672 | ret = F_GETOWN; | |
6673 | break; | |
6674 | case TARGET_F_SETOWN: | |
6675 | ret = F_SETOWN; | |
6676 | break; | |
6677 | case TARGET_F_GETSIG: | |
6678 | ret = F_GETSIG; | |
6679 | break; | |
6680 | case TARGET_F_SETSIG: | |
6681 | ret = F_SETSIG; | |
6682 | break; | |
5f106811 | 6683 | #if TARGET_ABI_BITS == 32 |
4a545761 SB |
6684 | case TARGET_F_GETLK64: |
6685 | ret = F_GETLK64; | |
6686 | break; | |
6687 | case TARGET_F_SETLK64: | |
6688 | ret = F_SETLK64; | |
6689 | break; | |
6690 | case TARGET_F_SETLKW64: | |
6691 | ret = F_SETLKW64; | |
6692 | break; | |
5f106811 | 6693 | #endif |
4a545761 SB |
6694 | case TARGET_F_SETLEASE: |
6695 | ret = F_SETLEASE; | |
6696 | break; | |
6697 | case TARGET_F_GETLEASE: | |
6698 | ret = F_GETLEASE; | |
6699 | break; | |
fbd5de9b | 6700 | #ifdef F_DUPFD_CLOEXEC |
4a545761 SB |
6701 | case TARGET_F_DUPFD_CLOEXEC: |
6702 | ret = F_DUPFD_CLOEXEC; | |
6703 | break; | |
fbd5de9b | 6704 | #endif |
4a545761 SB |
6705 | case TARGET_F_NOTIFY: |
6706 | ret = F_NOTIFY; | |
6707 | break; | |
8d5d3004 | 6708 | #ifdef F_GETOWN_EX |
4a545761 SB |
6709 | case TARGET_F_GETOWN_EX: |
6710 | ret = F_GETOWN_EX; | |
6711 | break; | |
8d5d3004 AS |
6712 | #endif |
6713 | #ifdef F_SETOWN_EX | |
4a545761 SB |
6714 | case TARGET_F_SETOWN_EX: |
6715 | ret = F_SETOWN_EX; | |
6716 | break; | |
8d5d3004 | 6717 | #endif |
ddf31aa8 | 6718 | #ifdef F_SETPIPE_SZ |
4a545761 SB |
6719 | case TARGET_F_SETPIPE_SZ: |
6720 | ret = F_SETPIPE_SZ; | |
6721 | break; | |
6722 | case TARGET_F_GETPIPE_SZ: | |
6723 | ret = F_GETPIPE_SZ; | |
6724 | break; | |
ddf31aa8 | 6725 | #endif |
4a545761 SB |
6726 | default: |
6727 | ret = -TARGET_EINVAL; | |
6728 | break; | |
6729 | } | |
6730 | ||
6731 | #if defined(__powerpc64__) | |
6732 | /* On PPC64, glibc headers has the F_*LK* defined to 12, 13 and 14 and | |
6733 | * is not supported by kernel. The glibc fcntl call actually adjusts | |
6734 | * them to 5, 6 and 7 before making the syscall(). Since we make the | |
6735 | * syscall directly, adjust to what is supported by the kernel. | |
6736 | */ | |
6737 | if (ret >= F_GETLK64 && ret <= F_SETLKW64) { | |
6738 | ret -= F_GETLK64 - 5; | |
5f106811 | 6739 | } |
4a545761 SB |
6740 | #endif |
6741 | ||
6742 | return ret; | |
5f106811 APR |
6743 | } |
6744 | ||
ae68ad9f LV |
6745 | #define FLOCK_TRANSTBL \ |
6746 | switch (type) { \ | |
6747 | TRANSTBL_CONVERT(F_RDLCK); \ | |
6748 | TRANSTBL_CONVERT(F_WRLCK); \ | |
6749 | TRANSTBL_CONVERT(F_UNLCK); \ | |
6750 | TRANSTBL_CONVERT(F_EXLCK); \ | |
6751 | TRANSTBL_CONVERT(F_SHLCK); \ | |
6752 | } | |
6753 | ||
6754 | static int target_to_host_flock(int type) | |
6755 | { | |
6756 | #define TRANSTBL_CONVERT(a) case TARGET_##a: return a | |
6757 | FLOCK_TRANSTBL | |
6758 | #undef TRANSTBL_CONVERT | |
6759 | return -TARGET_EINVAL; | |
6760 | } | |
6761 | ||
6762 | static int host_to_target_flock(int type) | |
6763 | { | |
6764 | #define TRANSTBL_CONVERT(a) case a: return TARGET_##a | |
6765 | FLOCK_TRANSTBL | |
6766 | #undef TRANSTBL_CONVERT | |
6767 | /* if we don't know how to convert the value coming | |
6768 | * from the host we copy to the target field as-is | |
6769 | */ | |
6770 | return type; | |
6771 | } | |
2ba7f730 | 6772 | |
213d3e9e PM |
6773 | static inline abi_long copy_from_user_flock(struct flock64 *fl, |
6774 | abi_ulong target_flock_addr) | |
7775e9ec | 6775 | { |
53a5960a | 6776 | struct target_flock *target_fl; |
ae68ad9f | 6777 | int l_type; |
213d3e9e PM |
6778 | |
6779 | if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) { | |
6780 | return -TARGET_EFAULT; | |
6781 | } | |
6782 | ||
6783 | __get_user(l_type, &target_fl->l_type); | |
ae68ad9f LV |
6784 | l_type = target_to_host_flock(l_type); |
6785 | if (l_type < 0) { | |
6786 | return l_type; | |
6787 | } | |
6788 | fl->l_type = l_type; | |
213d3e9e PM |
6789 | __get_user(fl->l_whence, &target_fl->l_whence); |
6790 | __get_user(fl->l_start, &target_fl->l_start); | |
6791 | __get_user(fl->l_len, &target_fl->l_len); | |
6792 | __get_user(fl->l_pid, &target_fl->l_pid); | |
6793 | unlock_user_struct(target_fl, target_flock_addr, 0); | |
6794 | return 0; | |
6795 | } | |
6796 | ||
6797 | static inline abi_long copy_to_user_flock(abi_ulong target_flock_addr, | |
6798 | const struct flock64 *fl) | |
6799 | { | |
6800 | struct target_flock *target_fl; | |
6801 | short l_type; | |
6802 | ||
6803 | if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) { | |
6804 | return -TARGET_EFAULT; | |
6805 | } | |
6806 | ||
ae68ad9f | 6807 | l_type = host_to_target_flock(fl->l_type); |
213d3e9e PM |
6808 | __put_user(l_type, &target_fl->l_type); |
6809 | __put_user(fl->l_whence, &target_fl->l_whence); | |
6810 | __put_user(fl->l_start, &target_fl->l_start); | |
6811 | __put_user(fl->l_len, &target_fl->l_len); | |
6812 | __put_user(fl->l_pid, &target_fl->l_pid); | |
6813 | unlock_user_struct(target_fl, target_flock_addr, 1); | |
6814 | return 0; | |
6815 | } | |
6816 | ||
6817 | typedef abi_long from_flock64_fn(struct flock64 *fl, abi_ulong target_addr); | |
6818 | typedef abi_long to_flock64_fn(abi_ulong target_addr, const struct flock64 *fl); | |
6819 | ||
6820 | #if defined(TARGET_ARM) && TARGET_ABI_BITS == 32 | |
7f254c5c | 6821 | static inline abi_long copy_from_user_oabi_flock64(struct flock64 *fl, |
213d3e9e PM |
6822 | abi_ulong target_flock_addr) |
6823 | { | |
7f254c5c | 6824 | struct target_oabi_flock64 *target_fl; |
ae68ad9f | 6825 | int l_type; |
213d3e9e PM |
6826 | |
6827 | if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) { | |
6828 | return -TARGET_EFAULT; | |
6829 | } | |
6830 | ||
6831 | __get_user(l_type, &target_fl->l_type); | |
ae68ad9f LV |
6832 | l_type = target_to_host_flock(l_type); |
6833 | if (l_type < 0) { | |
6834 | return l_type; | |
6835 | } | |
6836 | fl->l_type = l_type; | |
213d3e9e PM |
6837 | __get_user(fl->l_whence, &target_fl->l_whence); |
6838 | __get_user(fl->l_start, &target_fl->l_start); | |
6839 | __get_user(fl->l_len, &target_fl->l_len); | |
6840 | __get_user(fl->l_pid, &target_fl->l_pid); | |
6841 | unlock_user_struct(target_fl, target_flock_addr, 0); | |
6842 | return 0; | |
6843 | } | |
6844 | ||
7f254c5c | 6845 | static inline abi_long copy_to_user_oabi_flock64(abi_ulong target_flock_addr, |
213d3e9e PM |
6846 | const struct flock64 *fl) |
6847 | { | |
7f254c5c | 6848 | struct target_oabi_flock64 *target_fl; |
213d3e9e PM |
6849 | short l_type; |
6850 | ||
6851 | if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) { | |
6852 | return -TARGET_EFAULT; | |
6853 | } | |
6854 | ||
ae68ad9f | 6855 | l_type = host_to_target_flock(fl->l_type); |
213d3e9e PM |
6856 | __put_user(l_type, &target_fl->l_type); |
6857 | __put_user(fl->l_whence, &target_fl->l_whence); | |
6858 | __put_user(fl->l_start, &target_fl->l_start); | |
6859 | __put_user(fl->l_len, &target_fl->l_len); | |
6860 | __put_user(fl->l_pid, &target_fl->l_pid); | |
6861 | unlock_user_struct(target_fl, target_flock_addr, 1); | |
6862 | return 0; | |
6863 | } | |
6864 | #endif | |
6865 | ||
6866 | static inline abi_long copy_from_user_flock64(struct flock64 *fl, | |
6867 | abi_ulong target_flock_addr) | |
6868 | { | |
6869 | struct target_flock64 *target_fl; | |
ae68ad9f | 6870 | int l_type; |
213d3e9e PM |
6871 | |
6872 | if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) { | |
6873 | return -TARGET_EFAULT; | |
6874 | } | |
6875 | ||
6876 | __get_user(l_type, &target_fl->l_type); | |
ae68ad9f LV |
6877 | l_type = target_to_host_flock(l_type); |
6878 | if (l_type < 0) { | |
6879 | return l_type; | |
6880 | } | |
6881 | fl->l_type = l_type; | |
213d3e9e PM |
6882 | __get_user(fl->l_whence, &target_fl->l_whence); |
6883 | __get_user(fl->l_start, &target_fl->l_start); | |
6884 | __get_user(fl->l_len, &target_fl->l_len); | |
6885 | __get_user(fl->l_pid, &target_fl->l_pid); | |
6886 | unlock_user_struct(target_fl, target_flock_addr, 0); | |
6887 | return 0; | |
6888 | } | |
6889 | ||
6890 | static inline abi_long copy_to_user_flock64(abi_ulong target_flock_addr, | |
6891 | const struct flock64 *fl) | |
6892 | { | |
6893 | struct target_flock64 *target_fl; | |
6894 | short l_type; | |
6895 | ||
6896 | if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) { | |
6897 | return -TARGET_EFAULT; | |
6898 | } | |
6899 | ||
ae68ad9f | 6900 | l_type = host_to_target_flock(fl->l_type); |
213d3e9e PM |
6901 | __put_user(l_type, &target_fl->l_type); |
6902 | __put_user(fl->l_whence, &target_fl->l_whence); | |
6903 | __put_user(fl->l_start, &target_fl->l_start); | |
6904 | __put_user(fl->l_len, &target_fl->l_len); | |
6905 | __put_user(fl->l_pid, &target_fl->l_pid); | |
6906 | unlock_user_struct(target_fl, target_flock_addr, 1); | |
6907 | return 0; | |
6908 | } | |
6909 | ||
6910 | static abi_long do_fcntl(int fd, int cmd, abi_ulong arg) | |
6911 | { | |
43f238d7 | 6912 | struct flock64 fl64; |
8d5d3004 AS |
6913 | #ifdef F_GETOWN_EX |
6914 | struct f_owner_ex fox; | |
6915 | struct target_f_owner_ex *target_fox; | |
6916 | #endif | |
992f48a0 | 6917 | abi_long ret; |
5f106811 APR |
6918 | int host_cmd = target_to_host_fcntl_cmd(cmd); |
6919 | ||
6920 | if (host_cmd == -TARGET_EINVAL) | |
6921 | return host_cmd; | |
53a5960a | 6922 | |
7775e9ec FB |
6923 | switch(cmd) { |
6924 | case TARGET_F_GETLK: | |
213d3e9e PM |
6925 | ret = copy_from_user_flock(&fl64, arg); |
6926 | if (ret) { | |
6927 | return ret; | |
6928 | } | |
435da5e7 | 6929 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
7775e9ec | 6930 | if (ret == 0) { |
213d3e9e | 6931 | ret = copy_to_user_flock(arg, &fl64); |
7775e9ec FB |
6932 | } |
6933 | break; | |
3b46e624 | 6934 | |
7775e9ec FB |
6935 | case TARGET_F_SETLK: |
6936 | case TARGET_F_SETLKW: | |
213d3e9e PM |
6937 | ret = copy_from_user_flock(&fl64, arg); |
6938 | if (ret) { | |
6939 | return ret; | |
6940 | } | |
435da5e7 | 6941 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
7775e9ec | 6942 | break; |
3b46e624 | 6943 | |
7775e9ec | 6944 | case TARGET_F_GETLK64: |
213d3e9e PM |
6945 | ret = copy_from_user_flock64(&fl64, arg); |
6946 | if (ret) { | |
6947 | return ret; | |
6948 | } | |
435da5e7 | 6949 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
43f238d7 | 6950 | if (ret == 0) { |
213d3e9e | 6951 | ret = copy_to_user_flock64(arg, &fl64); |
43f238d7 | 6952 | } |
9ee1fa2c | 6953 | break; |
7775e9ec FB |
6954 | case TARGET_F_SETLK64: |
6955 | case TARGET_F_SETLKW64: | |
213d3e9e PM |
6956 | ret = copy_from_user_flock64(&fl64, arg); |
6957 | if (ret) { | |
6958 | return ret; | |
6959 | } | |
435da5e7 | 6960 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
7775e9ec FB |
6961 | break; |
6962 | ||
5f106811 | 6963 | case TARGET_F_GETFL: |
435da5e7 | 6964 | ret = get_errno(safe_fcntl(fd, host_cmd, arg)); |
9ee1fa2c FB |
6965 | if (ret >= 0) { |
6966 | ret = host_to_target_bitmask(ret, fcntl_flags_tbl); | |
6967 | } | |
ffa65c3b FB |
6968 | break; |
6969 | ||
5f106811 | 6970 | case TARGET_F_SETFL: |
435da5e7 PM |
6971 | ret = get_errno(safe_fcntl(fd, host_cmd, |
6972 | target_to_host_bitmask(arg, | |
6973 | fcntl_flags_tbl))); | |
5f106811 APR |
6974 | break; |
6975 | ||
8d5d3004 AS |
6976 | #ifdef F_GETOWN_EX |
6977 | case TARGET_F_GETOWN_EX: | |
435da5e7 | 6978 | ret = get_errno(safe_fcntl(fd, host_cmd, &fox)); |
8d5d3004 AS |
6979 | if (ret >= 0) { |
6980 | if (!lock_user_struct(VERIFY_WRITE, target_fox, arg, 0)) | |
6981 | return -TARGET_EFAULT; | |
6982 | target_fox->type = tswap32(fox.type); | |
6983 | target_fox->pid = tswap32(fox.pid); | |
6984 | unlock_user_struct(target_fox, arg, 1); | |
6985 | } | |
6986 | break; | |
6987 | #endif | |
6988 | ||
6989 | #ifdef F_SETOWN_EX | |
6990 | case TARGET_F_SETOWN_EX: | |
6991 | if (!lock_user_struct(VERIFY_READ, target_fox, arg, 1)) | |
6992 | return -TARGET_EFAULT; | |
6993 | fox.type = tswap32(target_fox->type); | |
6994 | fox.pid = tswap32(target_fox->pid); | |
6995 | unlock_user_struct(target_fox, arg, 0); | |
435da5e7 | 6996 | ret = get_errno(safe_fcntl(fd, host_cmd, &fox)); |
8d5d3004 AS |
6997 | break; |
6998 | #endif | |
6999 | ||
5f106811 APR |
7000 | case TARGET_F_SETOWN: |
7001 | case TARGET_F_GETOWN: | |
7002 | case TARGET_F_SETSIG: | |
7003 | case TARGET_F_GETSIG: | |
7e22e546 UH |
7004 | case TARGET_F_SETLEASE: |
7005 | case TARGET_F_GETLEASE: | |
7e3b92ec PM |
7006 | case TARGET_F_SETPIPE_SZ: |
7007 | case TARGET_F_GETPIPE_SZ: | |
435da5e7 | 7008 | ret = get_errno(safe_fcntl(fd, host_cmd, arg)); |
ffa65c3b FB |
7009 | break; |
7010 | ||
7775e9ec | 7011 | default: |
435da5e7 | 7012 | ret = get_errno(safe_fcntl(fd, cmd, arg)); |
7775e9ec FB |
7013 | break; |
7014 | } | |
7015 | return ret; | |
7016 | } | |
7017 | ||
67867308 | 7018 | #ifdef USE_UID16 |
7775e9ec | 7019 | |
67867308 FB |
7020 | static inline int high2lowuid(int uid) |
7021 | { | |
7022 | if (uid > 65535) | |
7023 | return 65534; | |
7024 | else | |
7025 | return uid; | |
7026 | } | |
7027 | ||
7028 | static inline int high2lowgid(int gid) | |
7029 | { | |
7030 | if (gid > 65535) | |
7031 | return 65534; | |
7032 | else | |
7033 | return gid; | |
7034 | } | |
7035 | ||
7036 | static inline int low2highuid(int uid) | |
7037 | { | |
7038 | if ((int16_t)uid == -1) | |
7039 | return -1; | |
7040 | else | |
7041 | return uid; | |
7042 | } | |
7043 | ||
7044 | static inline int low2highgid(int gid) | |
7045 | { | |
7046 | if ((int16_t)gid == -1) | |
7047 | return -1; | |
7048 | else | |
7049 | return gid; | |
7050 | } | |
0c866a7e RV |
7051 | static inline int tswapid(int id) |
7052 | { | |
7053 | return tswap16(id); | |
7054 | } | |
76ca310a PM |
7055 | |
7056 | #define put_user_id(x, gaddr) put_user_u16(x, gaddr) | |
7057 | ||
0c866a7e RV |
7058 | #else /* !USE_UID16 */ |
7059 | static inline int high2lowuid(int uid) | |
7060 | { | |
7061 | return uid; | |
7062 | } | |
7063 | static inline int high2lowgid(int gid) | |
7064 | { | |
7065 | return gid; | |
7066 | } | |
7067 | static inline int low2highuid(int uid) | |
7068 | { | |
7069 | return uid; | |
7070 | } | |
7071 | static inline int low2highgid(int gid) | |
7072 | { | |
7073 | return gid; | |
7074 | } | |
7075 | static inline int tswapid(int id) | |
7076 | { | |
7077 | return tswap32(id); | |
7078 | } | |
76ca310a PM |
7079 | |
7080 | #define put_user_id(x, gaddr) put_user_u32(x, gaddr) | |
7081 | ||
67867308 | 7082 | #endif /* USE_UID16 */ |
1b6b029e | 7083 | |
fd6f7798 PM |
7084 | /* We must do direct syscalls for setting UID/GID, because we want to |
7085 | * implement the Linux system call semantics of "change only for this thread", | |
7086 | * not the libc/POSIX semantics of "change for all threads in process". | |
7087 | * (See http://ewontfix.com/17/ for more details.) | |
7088 | * We use the 32-bit version of the syscalls if present; if it is not | |
7089 | * then either the host architecture supports 32-bit UIDs natively with | |
7090 | * the standard syscall, or the 16-bit UID is the best we can do. | |
7091 | */ | |
7092 | #ifdef __NR_setuid32 | |
7093 | #define __NR_sys_setuid __NR_setuid32 | |
7094 | #else | |
7095 | #define __NR_sys_setuid __NR_setuid | |
7096 | #endif | |
7097 | #ifdef __NR_setgid32 | |
7098 | #define __NR_sys_setgid __NR_setgid32 | |
7099 | #else | |
7100 | #define __NR_sys_setgid __NR_setgid | |
7101 | #endif | |
7102 | #ifdef __NR_setresuid32 | |
7103 | #define __NR_sys_setresuid __NR_setresuid32 | |
7104 | #else | |
7105 | #define __NR_sys_setresuid __NR_setresuid | |
7106 | #endif | |
7107 | #ifdef __NR_setresgid32 | |
7108 | #define __NR_sys_setresgid __NR_setresgid32 | |
7109 | #else | |
7110 | #define __NR_sys_setresgid __NR_setresgid | |
7111 | #endif | |
7112 | ||
7113 | _syscall1(int, sys_setuid, uid_t, uid) | |
7114 | _syscall1(int, sys_setgid, gid_t, gid) | |
7115 | _syscall3(int, sys_setresuid, uid_t, ruid, uid_t, euid, uid_t, suid) | |
7116 | _syscall3(int, sys_setresgid, gid_t, rgid, gid_t, egid, gid_t, sgid) | |
7117 | ||
31e31b8a FB |
7118 | void syscall_init(void) |
7119 | { | |
2ab83ea7 FB |
7120 | IOCTLEntry *ie; |
7121 | const argtype *arg_type; | |
7122 | int size; | |
b92c47c1 | 7123 | int i; |
2ab83ea7 | 7124 | |
8be656b8 AG |
7125 | thunk_init(STRUCT_MAX); |
7126 | ||
001faf32 | 7127 | #define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); |
5fafdf24 | 7128 | #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); |
31e31b8a FB |
7129 | #include "syscall_types.h" |
7130 | #undef STRUCT | |
7131 | #undef STRUCT_SPECIAL | |
2ab83ea7 | 7132 | |
dd6e957a PM |
7133 | /* Build target_to_host_errno_table[] table from |
7134 | * host_to_target_errno_table[]. */ | |
7135 | for (i = 0; i < ERRNO_TABLE_SIZE; i++) { | |
7136 | target_to_host_errno_table[host_to_target_errno_table[i]] = i; | |
7137 | } | |
7138 | ||
2ab83ea7 FB |
7139 | /* we patch the ioctl size if necessary. We rely on the fact that |
7140 | no ioctl has all the bits at '1' in the size field */ | |
7141 | ie = ioctl_entries; | |
7142 | while (ie->target_cmd != 0) { | |
7143 | if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) == | |
7144 | TARGET_IOC_SIZEMASK) { | |
7145 | arg_type = ie->arg_type; | |
7146 | if (arg_type[0] != TYPE_PTR) { | |
5fafdf24 | 7147 | fprintf(stderr, "cannot patch size for ioctl 0x%x\n", |
2ab83ea7 FB |
7148 | ie->target_cmd); |
7149 | exit(1); | |
7150 | } | |
7151 | arg_type++; | |
7152 | size = thunk_type_size(arg_type, 0); | |
5fafdf24 | 7153 | ie->target_cmd = (ie->target_cmd & |
2ab83ea7 FB |
7154 | ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | |
7155 | (size << TARGET_IOC_SIZESHIFT); | |
7156 | } | |
b92c47c1 | 7157 | |
2ab83ea7 | 7158 | /* automatic consistency check if same arch */ |
872ea0c0 AZ |
7159 | #if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \ |
7160 | (defined(__x86_64__) && defined(TARGET_X86_64)) | |
7161 | if (unlikely(ie->target_cmd != ie->host_cmd)) { | |
7162 | fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n", | |
7163 | ie->name, ie->target_cmd, ie->host_cmd); | |
2ab83ea7 FB |
7164 | } |
7165 | #endif | |
7166 | ie++; | |
7167 | } | |
31e31b8a | 7168 | } |
c573ff67 | 7169 | |
992f48a0 | 7170 | #if TARGET_ABI_BITS == 32 |
ce4defa0 PB |
7171 | static inline uint64_t target_offset64(uint32_t word0, uint32_t word1) |
7172 | { | |
af325d36 | 7173 | #ifdef TARGET_WORDS_BIGENDIAN |
ce4defa0 PB |
7174 | return ((uint64_t)word0 << 32) | word1; |
7175 | #else | |
7176 | return ((uint64_t)word1 << 32) | word0; | |
7177 | #endif | |
7178 | } | |
992f48a0 | 7179 | #else /* TARGET_ABI_BITS == 32 */ |
32407103 JM |
7180 | static inline uint64_t target_offset64(uint64_t word0, uint64_t word1) |
7181 | { | |
7182 | return word0; | |
7183 | } | |
992f48a0 | 7184 | #endif /* TARGET_ABI_BITS != 32 */ |
ce4defa0 PB |
7185 | |
7186 | #ifdef TARGET_NR_truncate64 | |
992f48a0 BS |
7187 | static inline abi_long target_truncate64(void *cpu_env, const char *arg1, |
7188 | abi_long arg2, | |
7189 | abi_long arg3, | |
7190 | abi_long arg4) | |
ce4defa0 | 7191 | { |
8bf8e9df | 7192 | if (regpairs_aligned(cpu_env, TARGET_NR_truncate64)) { |
ce4defa0 PB |
7193 | arg2 = arg3; |
7194 | arg3 = arg4; | |
48e515d4 | 7195 | } |
ce4defa0 PB |
7196 | return get_errno(truncate64(arg1, target_offset64(arg2, arg3))); |
7197 | } | |
7198 | #endif | |
7199 | ||
7200 | #ifdef TARGET_NR_ftruncate64 | |
992f48a0 BS |
7201 | static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1, |
7202 | abi_long arg2, | |
7203 | abi_long arg3, | |
7204 | abi_long arg4) | |
ce4defa0 | 7205 | { |
8bf8e9df | 7206 | if (regpairs_aligned(cpu_env, TARGET_NR_ftruncate64)) { |
ce4defa0 PB |
7207 | arg2 = arg3; |
7208 | arg3 = arg4; | |
48e515d4 | 7209 | } |
ce4defa0 PB |
7210 | return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3))); |
7211 | } | |
7212 | #endif | |
7213 | ||
579a97f7 FB |
7214 | static inline abi_long target_to_host_timespec(struct timespec *host_ts, |
7215 | abi_ulong target_addr) | |
53a5960a PB |
7216 | { |
7217 | struct target_timespec *target_ts; | |
7218 | ||
579a97f7 FB |
7219 | if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) |
7220 | return -TARGET_EFAULT; | |
c7e35da3 PM |
7221 | __get_user(host_ts->tv_sec, &target_ts->tv_sec); |
7222 | __get_user(host_ts->tv_nsec, &target_ts->tv_nsec); | |
53a5960a | 7223 | unlock_user_struct(target_ts, target_addr, 0); |
b255bfa8 | 7224 | return 0; |
53a5960a PB |
7225 | } |
7226 | ||
579a97f7 FB |
7227 | static inline abi_long host_to_target_timespec(abi_ulong target_addr, |
7228 | struct timespec *host_ts) | |
53a5960a PB |
7229 | { |
7230 | struct target_timespec *target_ts; | |
7231 | ||
579a97f7 FB |
7232 | if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) |
7233 | return -TARGET_EFAULT; | |
c7e35da3 PM |
7234 | __put_user(host_ts->tv_sec, &target_ts->tv_sec); |
7235 | __put_user(host_ts->tv_nsec, &target_ts->tv_nsec); | |
53a5960a | 7236 | unlock_user_struct(target_ts, target_addr, 1); |
b255bfa8 | 7237 | return 0; |
53a5960a PB |
7238 | } |
7239 | ||
f4f1e10a ECL |
7240 | static inline abi_long target_to_host_itimerspec(struct itimerspec *host_itspec, |
7241 | abi_ulong target_addr) | |
7242 | { | |
7243 | struct target_itimerspec *target_itspec; | |
7244 | ||
7245 | if (!lock_user_struct(VERIFY_READ, target_itspec, target_addr, 1)) { | |
7246 | return -TARGET_EFAULT; | |
7247 | } | |
7248 | ||
7249 | host_itspec->it_interval.tv_sec = | |
7250 | tswapal(target_itspec->it_interval.tv_sec); | |
7251 | host_itspec->it_interval.tv_nsec = | |
7252 | tswapal(target_itspec->it_interval.tv_nsec); | |
7253 | host_itspec->it_value.tv_sec = tswapal(target_itspec->it_value.tv_sec); | |
7254 | host_itspec->it_value.tv_nsec = tswapal(target_itspec->it_value.tv_nsec); | |
7255 | ||
7256 | unlock_user_struct(target_itspec, target_addr, 1); | |
7257 | return 0; | |
7258 | } | |
7259 | ||
7260 | static inline abi_long host_to_target_itimerspec(abi_ulong target_addr, | |
7261 | struct itimerspec *host_its) | |
7262 | { | |
7263 | struct target_itimerspec *target_itspec; | |
7264 | ||
7265 | if (!lock_user_struct(VERIFY_WRITE, target_itspec, target_addr, 0)) { | |
7266 | return -TARGET_EFAULT; | |
7267 | } | |
7268 | ||
7269 | target_itspec->it_interval.tv_sec = tswapal(host_its->it_interval.tv_sec); | |
7270 | target_itspec->it_interval.tv_nsec = tswapal(host_its->it_interval.tv_nsec); | |
7271 | ||
7272 | target_itspec->it_value.tv_sec = tswapal(host_its->it_value.tv_sec); | |
7273 | target_itspec->it_value.tv_nsec = tswapal(host_its->it_value.tv_nsec); | |
7274 | ||
7275 | unlock_user_struct(target_itspec, target_addr, 0); | |
7276 | return 0; | |
7277 | } | |
7278 | ||
19f59bce AM |
7279 | static inline abi_long target_to_host_timex(struct timex *host_tx, |
7280 | abi_long target_addr) | |
7281 | { | |
7282 | struct target_timex *target_tx; | |
7283 | ||
7284 | if (!lock_user_struct(VERIFY_READ, target_tx, target_addr, 1)) { | |
7285 | return -TARGET_EFAULT; | |
7286 | } | |
7287 | ||
7288 | __get_user(host_tx->modes, &target_tx->modes); | |
7289 | __get_user(host_tx->offset, &target_tx->offset); | |
7290 | __get_user(host_tx->freq, &target_tx->freq); | |
7291 | __get_user(host_tx->maxerror, &target_tx->maxerror); | |
7292 | __get_user(host_tx->esterror, &target_tx->esterror); | |
7293 | __get_user(host_tx->status, &target_tx->status); | |
7294 | __get_user(host_tx->constant, &target_tx->constant); | |
7295 | __get_user(host_tx->precision, &target_tx->precision); | |
7296 | __get_user(host_tx->tolerance, &target_tx->tolerance); | |
7297 | __get_user(host_tx->time.tv_sec, &target_tx->time.tv_sec); | |
7298 | __get_user(host_tx->time.tv_usec, &target_tx->time.tv_usec); | |
7299 | __get_user(host_tx->tick, &target_tx->tick); | |
7300 | __get_user(host_tx->ppsfreq, &target_tx->ppsfreq); | |
7301 | __get_user(host_tx->jitter, &target_tx->jitter); | |
7302 | __get_user(host_tx->shift, &target_tx->shift); | |
7303 | __get_user(host_tx->stabil, &target_tx->stabil); | |
7304 | __get_user(host_tx->jitcnt, &target_tx->jitcnt); | |
7305 | __get_user(host_tx->calcnt, &target_tx->calcnt); | |
7306 | __get_user(host_tx->errcnt, &target_tx->errcnt); | |
7307 | __get_user(host_tx->stbcnt, &target_tx->stbcnt); | |
7308 | __get_user(host_tx->tai, &target_tx->tai); | |
7309 | ||
7310 | unlock_user_struct(target_tx, target_addr, 0); | |
7311 | return 0; | |
7312 | } | |
7313 | ||
7314 | static inline abi_long host_to_target_timex(abi_long target_addr, | |
7315 | struct timex *host_tx) | |
7316 | { | |
7317 | struct target_timex *target_tx; | |
7318 | ||
7319 | if (!lock_user_struct(VERIFY_WRITE, target_tx, target_addr, 0)) { | |
7320 | return -TARGET_EFAULT; | |
7321 | } | |
7322 | ||
7323 | __put_user(host_tx->modes, &target_tx->modes); | |
7324 | __put_user(host_tx->offset, &target_tx->offset); | |
7325 | __put_user(host_tx->freq, &target_tx->freq); | |
7326 | __put_user(host_tx->maxerror, &target_tx->maxerror); | |
7327 | __put_user(host_tx->esterror, &target_tx->esterror); | |
7328 | __put_user(host_tx->status, &target_tx->status); | |
7329 | __put_user(host_tx->constant, &target_tx->constant); | |
7330 | __put_user(host_tx->precision, &target_tx->precision); | |
7331 | __put_user(host_tx->tolerance, &target_tx->tolerance); | |
7332 | __put_user(host_tx->time.tv_sec, &target_tx->time.tv_sec); | |
7333 | __put_user(host_tx->time.tv_usec, &target_tx->time.tv_usec); | |
7334 | __put_user(host_tx->tick, &target_tx->tick); | |
7335 | __put_user(host_tx->ppsfreq, &target_tx->ppsfreq); | |
7336 | __put_user(host_tx->jitter, &target_tx->jitter); | |
7337 | __put_user(host_tx->shift, &target_tx->shift); | |
7338 | __put_user(host_tx->stabil, &target_tx->stabil); | |
7339 | __put_user(host_tx->jitcnt, &target_tx->jitcnt); | |
7340 | __put_user(host_tx->calcnt, &target_tx->calcnt); | |
7341 | __put_user(host_tx->errcnt, &target_tx->errcnt); | |
7342 | __put_user(host_tx->stbcnt, &target_tx->stbcnt); | |
7343 | __put_user(host_tx->tai, &target_tx->tai); | |
7344 | ||
7345 | unlock_user_struct(target_tx, target_addr, 1); | |
7346 | return 0; | |
7347 | } | |
7348 | ||
7349 | ||
c065976f PM |
7350 | static inline abi_long target_to_host_sigevent(struct sigevent *host_sevp, |
7351 | abi_ulong target_addr) | |
7352 | { | |
7353 | struct target_sigevent *target_sevp; | |
7354 | ||
7355 | if (!lock_user_struct(VERIFY_READ, target_sevp, target_addr, 1)) { | |
7356 | return -TARGET_EFAULT; | |
7357 | } | |
7358 | ||
7359 | /* This union is awkward on 64 bit systems because it has a 32 bit | |
7360 | * integer and a pointer in it; we follow the conversion approach | |
7361 | * used for handling sigval types in signal.c so the guest should get | |
7362 | * the correct value back even if we did a 64 bit byteswap and it's | |
7363 | * using the 32 bit integer. | |
7364 | */ | |
7365 | host_sevp->sigev_value.sival_ptr = | |
7366 | (void *)(uintptr_t)tswapal(target_sevp->sigev_value.sival_ptr); | |
7367 | host_sevp->sigev_signo = | |
7368 | target_to_host_signal(tswap32(target_sevp->sigev_signo)); | |
7369 | host_sevp->sigev_notify = tswap32(target_sevp->sigev_notify); | |
7370 | host_sevp->_sigev_un._tid = tswap32(target_sevp->_sigev_un._tid); | |
7371 | ||
7372 | unlock_user_struct(target_sevp, target_addr, 1); | |
7373 | return 0; | |
7374 | } | |
7375 | ||
6f6a4032 TM |
7376 | #if defined(TARGET_NR_mlockall) |
7377 | static inline int target_to_host_mlockall_arg(int arg) | |
7378 | { | |
7379 | int result = 0; | |
7380 | ||
7381 | if (arg & TARGET_MLOCKALL_MCL_CURRENT) { | |
7382 | result |= MCL_CURRENT; | |
7383 | } | |
7384 | if (arg & TARGET_MLOCKALL_MCL_FUTURE) { | |
7385 | result |= MCL_FUTURE; | |
7386 | } | |
7387 | return result; | |
7388 | } | |
7389 | #endif | |
7390 | ||
4f7f8924 AR |
7391 | #if (defined(TARGET_NR_stat64) || defined(TARGET_NR_lstat64) || \ |
7392 | defined(TARGET_NR_fstat64) || defined(TARGET_NR_fstatat64) || \ | |
7393 | defined(TARGET_NR_newfstatat)) | |
6a24a778 AZ |
7394 | static inline abi_long host_to_target_stat64(void *cpu_env, |
7395 | abi_ulong target_addr, | |
7396 | struct stat *host_st) | |
7397 | { | |
09701199 | 7398 | #if defined(TARGET_ARM) && defined(TARGET_ABI32) |
6a24a778 AZ |
7399 | if (((CPUARMState *)cpu_env)->eabi) { |
7400 | struct target_eabi_stat64 *target_st; | |
7401 | ||
7402 | if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) | |
7403 | return -TARGET_EFAULT; | |
7404 | memset(target_st, 0, sizeof(struct target_eabi_stat64)); | |
7405 | __put_user(host_st->st_dev, &target_st->st_dev); | |
7406 | __put_user(host_st->st_ino, &target_st->st_ino); | |
7407 | #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO | |
7408 | __put_user(host_st->st_ino, &target_st->__st_ino); | |
7409 | #endif | |
7410 | __put_user(host_st->st_mode, &target_st->st_mode); | |
7411 | __put_user(host_st->st_nlink, &target_st->st_nlink); | |
7412 | __put_user(host_st->st_uid, &target_st->st_uid); | |
7413 | __put_user(host_st->st_gid, &target_st->st_gid); | |
7414 | __put_user(host_st->st_rdev, &target_st->st_rdev); | |
7415 | __put_user(host_st->st_size, &target_st->st_size); | |
7416 | __put_user(host_st->st_blksize, &target_st->st_blksize); | |
7417 | __put_user(host_st->st_blocks, &target_st->st_blocks); | |
7418 | __put_user(host_st->st_atime, &target_st->target_st_atime); | |
7419 | __put_user(host_st->st_mtime, &target_st->target_st_mtime); | |
7420 | __put_user(host_st->st_ctime, &target_st->target_st_ctime); | |
7421 | unlock_user_struct(target_st, target_addr, 1); | |
7422 | } else | |
7423 | #endif | |
7424 | { | |
20d155bc | 7425 | #if defined(TARGET_HAS_STRUCT_STAT64) |
6a24a778 | 7426 | struct target_stat64 *target_st; |
20d155bc SW |
7427 | #else |
7428 | struct target_stat *target_st; | |
9d33b76b | 7429 | #endif |
6a24a778 AZ |
7430 | |
7431 | if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) | |
7432 | return -TARGET_EFAULT; | |
9d33b76b | 7433 | memset(target_st, 0, sizeof(*target_st)); |
6a24a778 AZ |
7434 | __put_user(host_st->st_dev, &target_st->st_dev); |
7435 | __put_user(host_st->st_ino, &target_st->st_ino); | |
7436 | #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO | |
7437 | __put_user(host_st->st_ino, &target_st->__st_ino); | |
7438 | #endif | |
7439 | __put_user(host_st->st_mode, &target_st->st_mode); | |
7440 | __put_user(host_st->st_nlink, &target_st->st_nlink); | |
7441 | __put_user(host_st->st_uid, &target_st->st_uid); | |
7442 | __put_user(host_st->st_gid, &target_st->st_gid); | |
7443 | __put_user(host_st->st_rdev, &target_st->st_rdev); | |
7444 | /* XXX: better use of kernel struct */ | |
7445 | __put_user(host_st->st_size, &target_st->st_size); | |
7446 | __put_user(host_st->st_blksize, &target_st->st_blksize); | |
7447 | __put_user(host_st->st_blocks, &target_st->st_blocks); | |
7448 | __put_user(host_st->st_atime, &target_st->target_st_atime); | |
7449 | __put_user(host_st->st_mtime, &target_st->target_st_mtime); | |
7450 | __put_user(host_st->st_ctime, &target_st->target_st_ctime); | |
7451 | unlock_user_struct(target_st, target_addr, 1); | |
7452 | } | |
7453 | ||
7454 | return 0; | |
7455 | } | |
4f7f8924 | 7456 | #endif |
6a24a778 | 7457 | |
bd0c5661 PB |
7458 | /* ??? Using host futex calls even when target atomic operations |
7459 | are not really atomic probably breaks things. However implementing | |
7460 | futexes locally would make futexes shared between multiple processes | |
7461 | tricky. However they're probably useless because guest atomic | |
7462 | operations won't work either. */ | |
8fcd3692 BS |
7463 | static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout, |
7464 | target_ulong uaddr2, int val3) | |
bd0c5661 PB |
7465 | { |
7466 | struct timespec ts, *pts; | |
a16aae0c | 7467 | int base_op; |
bd0c5661 PB |
7468 | |
7469 | /* ??? We assume FUTEX_* constants are the same on both host | |
7470 | and target. */ | |
a29ccd63 | 7471 | #ifdef FUTEX_CMD_MASK |
a16aae0c | 7472 | base_op = op & FUTEX_CMD_MASK; |
a29ccd63 | 7473 | #else |
a16aae0c | 7474 | base_op = op; |
a29ccd63 | 7475 | #endif |
a16aae0c | 7476 | switch (base_op) { |
bd0c5661 | 7477 | case FUTEX_WAIT: |
cce246e0 | 7478 | case FUTEX_WAIT_BITSET: |
bd0c5661 PB |
7479 | if (timeout) { |
7480 | pts = &ts; | |
7481 | target_to_host_timespec(pts, timeout); | |
7482 | } else { | |
7483 | pts = NULL; | |
7484 | } | |
d509eeb1 | 7485 | return get_errno(safe_futex(g2h(uaddr), op, tswap32(val), |
cce246e0 | 7486 | pts, NULL, val3)); |
bd0c5661 | 7487 | case FUTEX_WAKE: |
d509eeb1 | 7488 | return get_errno(safe_futex(g2h(uaddr), op, val, NULL, NULL, 0)); |
bd0c5661 | 7489 | case FUTEX_FD: |
d509eeb1 | 7490 | return get_errno(safe_futex(g2h(uaddr), op, val, NULL, NULL, 0)); |
bd0c5661 | 7491 | case FUTEX_REQUEUE: |
bd0c5661 | 7492 | case FUTEX_CMP_REQUEUE: |
a16aae0c NF |
7493 | case FUTEX_WAKE_OP: |
7494 | /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the | |
7495 | TIMEOUT parameter is interpreted as a uint32_t by the kernel. | |
7496 | But the prototype takes a `struct timespec *'; insert casts | |
7497 | to satisfy the compiler. We do not need to tswap TIMEOUT | |
7498 | since it's not compared to guest memory. */ | |
7499 | pts = (struct timespec *)(uintptr_t) timeout; | |
d509eeb1 PM |
7500 | return get_errno(safe_futex(g2h(uaddr), op, val, pts, |
7501 | g2h(uaddr2), | |
7502 | (base_op == FUTEX_CMP_REQUEUE | |
7503 | ? tswap32(val3) | |
7504 | : val3))); | |
bd0c5661 PB |
7505 | default: |
7506 | return -TARGET_ENOSYS; | |
7507 | } | |
7508 | } | |
0f0426f3 LV |
7509 | #if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) |
7510 | static abi_long do_name_to_handle_at(abi_long dirfd, abi_long pathname, | |
7511 | abi_long handle, abi_long mount_id, | |
7512 | abi_long flags) | |
7513 | { | |
7514 | struct file_handle *target_fh; | |
7515 | struct file_handle *fh; | |
7516 | int mid = 0; | |
7517 | abi_long ret; | |
7518 | char *name; | |
7519 | unsigned int size, total_size; | |
7520 | ||
7521 | if (get_user_s32(size, handle)) { | |
7522 | return -TARGET_EFAULT; | |
7523 | } | |
7524 | ||
7525 | name = lock_user_string(pathname); | |
7526 | if (!name) { | |
7527 | return -TARGET_EFAULT; | |
7528 | } | |
7529 | ||
7530 | total_size = sizeof(struct file_handle) + size; | |
7531 | target_fh = lock_user(VERIFY_WRITE, handle, total_size, 0); | |
7532 | if (!target_fh) { | |
7533 | unlock_user(name, pathname, 0); | |
7534 | return -TARGET_EFAULT; | |
7535 | } | |
7536 | ||
7537 | fh = g_malloc0(total_size); | |
7538 | fh->handle_bytes = size; | |
7539 | ||
7540 | ret = get_errno(name_to_handle_at(dirfd, path(name), fh, &mid, flags)); | |
7541 | unlock_user(name, pathname, 0); | |
7542 | ||
7543 | /* man name_to_handle_at(2): | |
7544 | * Other than the use of the handle_bytes field, the caller should treat | |
7545 | * the file_handle structure as an opaque data type | |
7546 | */ | |
7547 | ||
7548 | memcpy(target_fh, fh, total_size); | |
7549 | target_fh->handle_bytes = tswap32(fh->handle_bytes); | |
7550 | target_fh->handle_type = tswap32(fh->handle_type); | |
7551 | g_free(fh); | |
7552 | unlock_user(target_fh, handle, total_size); | |
7553 | ||
7554 | if (put_user_s32(mid, mount_id)) { | |
7555 | return -TARGET_EFAULT; | |
7556 | } | |
7557 | ||
7558 | return ret; | |
7559 | ||
7560 | } | |
7561 | #endif | |
7562 | ||
7563 | #if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) | |
7564 | static abi_long do_open_by_handle_at(abi_long mount_fd, abi_long handle, | |
7565 | abi_long flags) | |
7566 | { | |
7567 | struct file_handle *target_fh; | |
7568 | struct file_handle *fh; | |
7569 | unsigned int size, total_size; | |
7570 | abi_long ret; | |
7571 | ||
7572 | if (get_user_s32(size, handle)) { | |
7573 | return -TARGET_EFAULT; | |
7574 | } | |
7575 | ||
7576 | total_size = sizeof(struct file_handle) + size; | |
7577 | target_fh = lock_user(VERIFY_READ, handle, total_size, 1); | |
7578 | if (!target_fh) { | |
7579 | return -TARGET_EFAULT; | |
7580 | } | |
7581 | ||
e9d49d51 | 7582 | fh = g_memdup(target_fh, total_size); |
0f0426f3 LV |
7583 | fh->handle_bytes = size; |
7584 | fh->handle_type = tswap32(target_fh->handle_type); | |
7585 | ||
7586 | ret = get_errno(open_by_handle_at(mount_fd, fh, | |
7587 | target_to_host_bitmask(flags, fcntl_flags_tbl))); | |
7588 | ||
7589 | g_free(fh); | |
7590 | ||
7591 | unlock_user(target_fh, handle, total_size); | |
7592 | ||
7593 | return ret; | |
7594 | } | |
7595 | #endif | |
bd0c5661 | 7596 | |
e36800c9 LV |
7597 | #if defined(TARGET_NR_signalfd) || defined(TARGET_NR_signalfd4) |
7598 | ||
7599 | /* signalfd siginfo conversion */ | |
7600 | ||
7601 | static void | |
7602 | host_to_target_signalfd_siginfo(struct signalfd_siginfo *tinfo, | |
7603 | const struct signalfd_siginfo *info) | |
7604 | { | |
7605 | int sig = host_to_target_signal(info->ssi_signo); | |
7606 | ||
7607 | /* linux/signalfd.h defines a ssi_addr_lsb | |
7608 | * not defined in sys/signalfd.h but used by some kernels | |
7609 | */ | |
7610 | ||
7611 | #ifdef BUS_MCEERR_AO | |
7612 | if (tinfo->ssi_signo == SIGBUS && | |
7613 | (tinfo->ssi_code == BUS_MCEERR_AR || | |
7614 | tinfo->ssi_code == BUS_MCEERR_AO)) { | |
7615 | uint16_t *ssi_addr_lsb = (uint16_t *)(&info->ssi_addr + 1); | |
7616 | uint16_t *tssi_addr_lsb = (uint16_t *)(&tinfo->ssi_addr + 1); | |
7617 | *tssi_addr_lsb = tswap16(*ssi_addr_lsb); | |
7618 | } | |
7619 | #endif | |
7620 | ||
7621 | tinfo->ssi_signo = tswap32(sig); | |
7622 | tinfo->ssi_errno = tswap32(tinfo->ssi_errno); | |
7623 | tinfo->ssi_code = tswap32(info->ssi_code); | |
7624 | tinfo->ssi_pid = tswap32(info->ssi_pid); | |
7625 | tinfo->ssi_uid = tswap32(info->ssi_uid); | |
7626 | tinfo->ssi_fd = tswap32(info->ssi_fd); | |
7627 | tinfo->ssi_tid = tswap32(info->ssi_tid); | |
7628 | tinfo->ssi_band = tswap32(info->ssi_band); | |
7629 | tinfo->ssi_overrun = tswap32(info->ssi_overrun); | |
7630 | tinfo->ssi_trapno = tswap32(info->ssi_trapno); | |
7631 | tinfo->ssi_status = tswap32(info->ssi_status); | |
7632 | tinfo->ssi_int = tswap32(info->ssi_int); | |
7633 | tinfo->ssi_ptr = tswap64(info->ssi_ptr); | |
7634 | tinfo->ssi_utime = tswap64(info->ssi_utime); | |
7635 | tinfo->ssi_stime = tswap64(info->ssi_stime); | |
7636 | tinfo->ssi_addr = tswap64(info->ssi_addr); | |
7637 | } | |
7638 | ||
5d4d3665 | 7639 | static abi_long host_to_target_data_signalfd(void *buf, size_t len) |
e36800c9 LV |
7640 | { |
7641 | int i; | |
7642 | ||
7643 | for (i = 0; i < len; i += sizeof(struct signalfd_siginfo)) { | |
7644 | host_to_target_signalfd_siginfo(buf + i, buf + i); | |
7645 | } | |
7646 | ||
7647 | return len; | |
7648 | } | |
7649 | ||
7650 | static TargetFdTrans target_signalfd_trans = { | |
5d4d3665 | 7651 | .host_to_target_data = host_to_target_data_signalfd, |
e36800c9 LV |
7652 | }; |
7653 | ||
7654 | static abi_long do_signalfd4(int fd, abi_long mask, int flags) | |
7655 | { | |
7656 | int host_flags; | |
7657 | target_sigset_t *target_mask; | |
7658 | sigset_t host_mask; | |
7659 | abi_long ret; | |
7660 | ||
7661 | if (flags & ~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC)) { | |
7662 | return -TARGET_EINVAL; | |
7663 | } | |
7664 | if (!lock_user_struct(VERIFY_READ, target_mask, mask, 1)) { | |
7665 | return -TARGET_EFAULT; | |
7666 | } | |
7667 | ||
7668 | target_to_host_sigset(&host_mask, target_mask); | |
7669 | ||
7670 | host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl); | |
7671 | ||
7672 | ret = get_errno(signalfd(fd, &host_mask, host_flags)); | |
7673 | if (ret >= 0) { | |
7674 | fd_trans_register(ret, &target_signalfd_trans); | |
7675 | } | |
7676 | ||
7677 | unlock_user_struct(target_mask, mask, 0); | |
7678 | ||
7679 | return ret; | |
7680 | } | |
7681 | #endif | |
7682 | ||
1d9d8b55 PB |
7683 | /* Map host to target signal numbers for the wait family of syscalls. |
7684 | Assume all other status bits are the same. */ | |
a05c6409 | 7685 | int host_to_target_waitstatus(int status) |
1d9d8b55 PB |
7686 | { |
7687 | if (WIFSIGNALED(status)) { | |
7688 | return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f); | |
7689 | } | |
7690 | if (WIFSTOPPED(status)) { | |
7691 | return (host_to_target_signal(WSTOPSIG(status)) << 8) | |
7692 | | (status & 0xff); | |
7693 | } | |
7694 | return status; | |
7695 | } | |
7696 | ||
76b94245 WVS |
7697 | static int open_self_cmdline(void *cpu_env, int fd) |
7698 | { | |
58de8b96 AS |
7699 | CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env); |
7700 | struct linux_binprm *bprm = ((TaskState *)cpu->opaque)->bprm; | |
7701 | int i; | |
76b94245 | 7702 | |
58de8b96 AS |
7703 | for (i = 0; i < bprm->argc; i++) { |
7704 | size_t len = strlen(bprm->argv[i]) + 1; | |
76b94245 | 7705 | |
58de8b96 | 7706 | if (write(fd, bprm->argv[i], len) != len) { |
76b94245 | 7707 | return -1; |
76b94245 WVS |
7708 | } |
7709 | } | |
7710 | ||
58de8b96 | 7711 | return 0; |
76b94245 WVS |
7712 | } |
7713 | ||
36c08d49 AG |
7714 | static int open_self_maps(void *cpu_env, int fd) |
7715 | { | |
0429a971 AF |
7716 | CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env); |
7717 | TaskState *ts = cpu->opaque; | |
1a49ef2a AG |
7718 | FILE *fp; |
7719 | char *line = NULL; | |
7720 | size_t len = 0; | |
7721 | ssize_t read; | |
7722 | ||
7723 | fp = fopen("/proc/self/maps", "r"); | |
7724 | if (fp == NULL) { | |
a3ca7bb2 | 7725 | return -1; |
1a49ef2a | 7726 | } |
36c08d49 | 7727 | |
1a49ef2a AG |
7728 | while ((read = getline(&line, &len, fp)) != -1) { |
7729 | int fields, dev_maj, dev_min, inode; | |
7730 | uint64_t min, max, offset; | |
7731 | char flag_r, flag_w, flag_x, flag_p; | |
7732 | char path[512] = ""; | |
7733 | fields = sscanf(line, "%"PRIx64"-%"PRIx64" %c%c%c%c %"PRIx64" %x:%x %d" | |
7734 | " %512s", &min, &max, &flag_r, &flag_w, &flag_x, | |
7735 | &flag_p, &offset, &dev_maj, &dev_min, &inode, path); | |
7736 | ||
7737 | if ((fields < 10) || (fields > 11)) { | |
7738 | continue; | |
7739 | } | |
d67f4aaa MI |
7740 | if (h2g_valid(min)) { |
7741 | int flags = page_get_flags(h2g(min)); | |
ebf9a363 | 7742 | max = h2g_valid(max - 1) ? max : (uintptr_t)g2h(GUEST_ADDR_MAX) + 1; |
d67f4aaa MI |
7743 | if (page_check_range(h2g(min), max - min, flags) == -1) { |
7744 | continue; | |
7745 | } | |
7746 | if (h2g(min) == ts->info->stack_limit) { | |
7747 | pstrcpy(path, sizeof(path), " [stack]"); | |
7748 | } | |
3e23de15 | 7749 | dprintf(fd, TARGET_ABI_FMT_ptr "-" TARGET_ABI_FMT_ptr |
e24fed4e | 7750 | " %c%c%c%c %08" PRIx64 " %02x:%02x %d %s%s\n", |
d67f4aaa | 7751 | h2g(min), h2g(max - 1) + 1, flag_r, flag_w, |
1a49ef2a | 7752 | flag_x, flag_p, offset, dev_maj, dev_min, inode, |
e24fed4e | 7753 | path[0] ? " " : "", path); |
1a49ef2a AG |
7754 | } |
7755 | } | |
7756 | ||
7757 | free(line); | |
7758 | fclose(fp); | |
7759 | ||
36c08d49 AG |
7760 | return 0; |
7761 | } | |
7762 | ||
480b8e7d AG |
7763 | static int open_self_stat(void *cpu_env, int fd) |
7764 | { | |
0429a971 AF |
7765 | CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env); |
7766 | TaskState *ts = cpu->opaque; | |
480b8e7d AG |
7767 | abi_ulong start_stack = ts->info->start_stack; |
7768 | int i; | |
7769 | ||
7770 | for (i = 0; i < 44; i++) { | |
7771 | char buf[128]; | |
7772 | int len; | |
7773 | uint64_t val = 0; | |
7774 | ||
e0e65bee FE |
7775 | if (i == 0) { |
7776 | /* pid */ | |
7777 | val = getpid(); | |
7778 | snprintf(buf, sizeof(buf), "%"PRId64 " ", val); | |
7779 | } else if (i == 1) { | |
7780 | /* app name */ | |
7781 | snprintf(buf, sizeof(buf), "(%s) ", ts->bprm->argv[0]); | |
7782 | } else if (i == 27) { | |
7783 | /* stack bottom */ | |
7784 | val = start_stack; | |
7785 | snprintf(buf, sizeof(buf), "%"PRId64 " ", val); | |
7786 | } else { | |
7787 | /* for the rest, there is MasterCard */ | |
7788 | snprintf(buf, sizeof(buf), "0%c", i == 43 ? '\n' : ' '); | |
480b8e7d | 7789 | } |
e0e65bee | 7790 | |
480b8e7d AG |
7791 | len = strlen(buf); |
7792 | if (write(fd, buf, len) != len) { | |
7793 | return -1; | |
7794 | } | |
7795 | } | |
7796 | ||
7797 | return 0; | |
7798 | } | |
7799 | ||
257450ee AG |
7800 | static int open_self_auxv(void *cpu_env, int fd) |
7801 | { | |
0429a971 AF |
7802 | CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env); |
7803 | TaskState *ts = cpu->opaque; | |
257450ee AG |
7804 | abi_ulong auxv = ts->info->saved_auxv; |
7805 | abi_ulong len = ts->info->auxv_len; | |
7806 | char *ptr; | |
7807 | ||
7808 | /* | |
7809 | * Auxiliary vector is stored in target process stack. | |
7810 | * read in whole auxv vector and copy it to file | |
7811 | */ | |
7812 | ptr = lock_user(VERIFY_READ, auxv, len, 0); | |
7813 | if (ptr != NULL) { | |
7814 | while (len > 0) { | |
7815 | ssize_t r; | |
7816 | r = write(fd, ptr, len); | |
7817 | if (r <= 0) { | |
7818 | break; | |
7819 | } | |
7820 | len -= r; | |
7821 | ptr += r; | |
7822 | } | |
7823 | lseek(fd, 0, SEEK_SET); | |
7824 | unlock_user(ptr, auxv, len); | |
7825 | } | |
7826 | ||
7827 | return 0; | |
7828 | } | |
7829 | ||
463d8e73 AS |
7830 | static int is_proc_myself(const char *filename, const char *entry) |
7831 | { | |
7832 | if (!strncmp(filename, "/proc/", strlen("/proc/"))) { | |
7833 | filename += strlen("/proc/"); | |
7834 | if (!strncmp(filename, "self/", strlen("self/"))) { | |
7835 | filename += strlen("self/"); | |
7836 | } else if (*filename >= '1' && *filename <= '9') { | |
7837 | char myself[80]; | |
7838 | snprintf(myself, sizeof(myself), "%d/", getpid()); | |
7839 | if (!strncmp(filename, myself, strlen(myself))) { | |
7840 | filename += strlen(myself); | |
7841 | } else { | |
7842 | return 0; | |
7843 | } | |
7844 | } else { | |
7845 | return 0; | |
7846 | } | |
7847 | if (!strcmp(filename, entry)) { | |
7848 | return 1; | |
7849 | } | |
7850 | } | |
7851 | return 0; | |
7852 | } | |
7853 | ||
de6b9933 LV |
7854 | #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) |
7855 | static int is_proc(const char *filename, const char *entry) | |
7856 | { | |
7857 | return strcmp(filename, entry) == 0; | |
7858 | } | |
7859 | ||
7860 | static int open_net_route(void *cpu_env, int fd) | |
7861 | { | |
7862 | FILE *fp; | |
7863 | char *line = NULL; | |
7864 | size_t len = 0; | |
7865 | ssize_t read; | |
7866 | ||
7867 | fp = fopen("/proc/net/route", "r"); | |
7868 | if (fp == NULL) { | |
a3ca7bb2 | 7869 | return -1; |
de6b9933 LV |
7870 | } |
7871 | ||
7872 | /* read header */ | |
7873 | ||
7874 | read = getline(&line, &len, fp); | |
7875 | dprintf(fd, "%s", line); | |
7876 | ||
7877 | /* read routes */ | |
7878 | ||
7879 | while ((read = getline(&line, &len, fp)) != -1) { | |
7880 | char iface[16]; | |
7881 | uint32_t dest, gw, mask; | |
7882 | unsigned int flags, refcnt, use, metric, mtu, window, irtt; | |
7883 | sscanf(line, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n", | |
7884 | iface, &dest, &gw, &flags, &refcnt, &use, &metric, | |
7885 | &mask, &mtu, &window, &irtt); | |
7886 | dprintf(fd, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n", | |
7887 | iface, tswap32(dest), tswap32(gw), flags, refcnt, use, | |
7888 | metric, tswap32(mask), mtu, window, irtt); | |
7889 | } | |
7890 | ||
7891 | free(line); | |
7892 | fclose(fp); | |
7893 | ||
7894 | return 0; | |
7895 | } | |
7896 | #endif | |
7897 | ||
0b2effd7 | 7898 | static int do_openat(void *cpu_env, int dirfd, const char *pathname, int flags, mode_t mode) |
3be14d05 AG |
7899 | { |
7900 | struct fake_open { | |
7901 | const char *filename; | |
7902 | int (*fill)(void *cpu_env, int fd); | |
de6b9933 | 7903 | int (*cmp)(const char *s1, const char *s2); |
3be14d05 AG |
7904 | }; |
7905 | const struct fake_open *fake_open; | |
7906 | static const struct fake_open fakes[] = { | |
de6b9933 LV |
7907 | { "maps", open_self_maps, is_proc_myself }, |
7908 | { "stat", open_self_stat, is_proc_myself }, | |
7909 | { "auxv", open_self_auxv, is_proc_myself }, | |
76b94245 | 7910 | { "cmdline", open_self_cmdline, is_proc_myself }, |
de6b9933 LV |
7911 | #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) |
7912 | { "/proc/net/route", open_net_route, is_proc }, | |
7913 | #endif | |
7914 | { NULL, NULL, NULL } | |
3be14d05 AG |
7915 | }; |
7916 | ||
aa07f5ec MO |
7917 | if (is_proc_myself(pathname, "exe")) { |
7918 | int execfd = qemu_getauxval(AT_EXECFD); | |
c10a0738 | 7919 | return execfd ? execfd : safe_openat(dirfd, exec_path, flags, mode); |
aa07f5ec MO |
7920 | } |
7921 | ||
3be14d05 | 7922 | for (fake_open = fakes; fake_open->filename; fake_open++) { |
de6b9933 | 7923 | if (fake_open->cmp(pathname, fake_open->filename)) { |
3be14d05 AG |
7924 | break; |
7925 | } | |
7926 | } | |
7927 | ||
7928 | if (fake_open->filename) { | |
7929 | const char *tmpdir; | |
7930 | char filename[PATH_MAX]; | |
7931 | int fd, r; | |
7932 | ||
7933 | /* create temporary file to map stat to */ | |
7934 | tmpdir = getenv("TMPDIR"); | |
7935 | if (!tmpdir) | |
7936 | tmpdir = "/tmp"; | |
7937 | snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir); | |
7938 | fd = mkstemp(filename); | |
7939 | if (fd < 0) { | |
7940 | return fd; | |
7941 | } | |
7942 | unlink(filename); | |
7943 | ||
7944 | if ((r = fake_open->fill(cpu_env, fd))) { | |
a3ca7bb2 | 7945 | int e = errno; |
3be14d05 | 7946 | close(fd); |
a3ca7bb2 | 7947 | errno = e; |
3be14d05 AG |
7948 | return r; |
7949 | } | |
7950 | lseek(fd, 0, SEEK_SET); | |
7951 | ||
7952 | return fd; | |
7953 | } | |
7954 | ||
c10a0738 | 7955 | return safe_openat(dirfd, path(pathname), flags, mode); |
3be14d05 AG |
7956 | } |
7957 | ||
aecc8861 AG |
7958 | #define TIMER_MAGIC 0x0caf0000 |
7959 | #define TIMER_MAGIC_MASK 0xffff0000 | |
7960 | ||
7961 | /* Convert QEMU provided timer ID back to internal 16bit index format */ | |
7962 | static target_timer_t get_timer_id(abi_long arg) | |
7963 | { | |
7964 | target_timer_t timerid = arg; | |
7965 | ||
7966 | if ((timerid & TIMER_MAGIC_MASK) != TIMER_MAGIC) { | |
7967 | return -TARGET_EINVAL; | |
7968 | } | |
7969 | ||
7970 | timerid &= 0xffff; | |
7971 | ||
7972 | if (timerid >= ARRAY_SIZE(g_posix_timers)) { | |
7973 | return -TARGET_EINVAL; | |
7974 | } | |
7975 | ||
7976 | return timerid; | |
7977 | } | |
7978 | ||
562a20b4 LV |
7979 | static abi_long swap_data_eventfd(void *buf, size_t len) |
7980 | { | |
7981 | uint64_t *counter = buf; | |
7982 | int i; | |
7983 | ||
7984 | if (len < sizeof(uint64_t)) { | |
7985 | return -EINVAL; | |
7986 | } | |
7987 | ||
7988 | for (i = 0; i < len; i += sizeof(uint64_t)) { | |
7989 | *counter = tswap64(*counter); | |
7990 | counter++; | |
7991 | } | |
7992 | ||
7993 | return len; | |
7994 | } | |
7995 | ||
7996 | static TargetFdTrans target_eventfd_trans = { | |
7997 | .host_to_target_data = swap_data_eventfd, | |
7998 | .target_to_host_data = swap_data_eventfd, | |
7999 | }; | |
8000 | ||
c4e316cf LV |
8001 | #if (defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)) || \ |
8002 | (defined(CONFIG_INOTIFY1) && defined(TARGET_NR_inotify_init1) && \ | |
8003 | defined(__NR_inotify_init1)) | |
8004 | static abi_long host_to_target_data_inotify(void *buf, size_t len) | |
8005 | { | |
8006 | struct inotify_event *ev; | |
8007 | int i; | |
8008 | uint32_t name_len; | |
8009 | ||
8010 | for (i = 0; i < len; i += sizeof(struct inotify_event) + name_len) { | |
8011 | ev = (struct inotify_event *)((char *)buf + i); | |
8012 | name_len = ev->len; | |
8013 | ||
8014 | ev->wd = tswap32(ev->wd); | |
8015 | ev->mask = tswap32(ev->mask); | |
8016 | ev->cookie = tswap32(ev->cookie); | |
8017 | ev->len = tswap32(name_len); | |
8018 | } | |
8019 | ||
8020 | return len; | |
8021 | } | |
8022 | ||
8023 | static TargetFdTrans target_inotify_trans = { | |
8024 | .host_to_target_data = host_to_target_data_inotify, | |
8025 | }; | |
8026 | #endif | |
8027 | ||
2e0a8713 ST |
8028 | static int target_to_host_cpu_mask(unsigned long *host_mask, |
8029 | size_t host_size, | |
8030 | abi_ulong target_addr, | |
8031 | size_t target_size) | |
8032 | { | |
8033 | unsigned target_bits = sizeof(abi_ulong) * 8; | |
8034 | unsigned host_bits = sizeof(*host_mask) * 8; | |
8035 | abi_ulong *target_mask; | |
8036 | unsigned i, j; | |
8037 | ||
8038 | assert(host_size >= target_size); | |
8039 | ||
8040 | target_mask = lock_user(VERIFY_READ, target_addr, target_size, 1); | |
8041 | if (!target_mask) { | |
8042 | return -TARGET_EFAULT; | |
8043 | } | |
8044 | memset(host_mask, 0, host_size); | |
8045 | ||
8046 | for (i = 0 ; i < target_size / sizeof(abi_ulong); i++) { | |
8047 | unsigned bit = i * target_bits; | |
8048 | abi_ulong val; | |
8049 | ||
8050 | __get_user(val, &target_mask[i]); | |
8051 | for (j = 0; j < target_bits; j++, bit++) { | |
8052 | if (val & (1UL << j)) { | |
8053 | host_mask[bit / host_bits] |= 1UL << (bit % host_bits); | |
8054 | } | |
8055 | } | |
8056 | } | |
8057 | ||
8058 | unlock_user(target_mask, target_addr, 0); | |
8059 | return 0; | |
8060 | } | |
8061 | ||
8062 | static int host_to_target_cpu_mask(const unsigned long *host_mask, | |
8063 | size_t host_size, | |
8064 | abi_ulong target_addr, | |
8065 | size_t target_size) | |
8066 | { | |
8067 | unsigned target_bits = sizeof(abi_ulong) * 8; | |
8068 | unsigned host_bits = sizeof(*host_mask) * 8; | |
8069 | abi_ulong *target_mask; | |
8070 | unsigned i, j; | |
8071 | ||
8072 | assert(host_size >= target_size); | |
8073 | ||
8074 | target_mask = lock_user(VERIFY_WRITE, target_addr, target_size, 0); | |
8075 | if (!target_mask) { | |
8076 | return -TARGET_EFAULT; | |
8077 | } | |
8078 | ||
8079 | for (i = 0 ; i < target_size / sizeof(abi_ulong); i++) { | |
8080 | unsigned bit = i * target_bits; | |
8081 | abi_ulong val = 0; | |
8082 | ||
8083 | for (j = 0; j < target_bits; j++, bit++) { | |
8084 | if (host_mask[bit / host_bits] & (1UL << (bit % host_bits))) { | |
8085 | val |= 1UL << j; | |
8086 | } | |
8087 | } | |
8088 | __put_user(val, &target_mask[i]); | |
8089 | } | |
8090 | ||
8091 | unlock_user(target_mask, target_addr, target_size); | |
8092 | return 0; | |
8093 | } | |
8094 | ||
0da46a6e TS |
8095 | /* do_syscall() should always have a single exit point at the end so |
8096 | that actions, such as logging of syscall results, can be performed. | |
8097 | All errnos that do_syscall() returns must be -TARGET_<errcode>. */ | |
992f48a0 BS |
8098 | abi_long do_syscall(void *cpu_env, int num, abi_long arg1, |
8099 | abi_long arg2, abi_long arg3, abi_long arg4, | |
5945cfcb PM |
8100 | abi_long arg5, abi_long arg6, abi_long arg7, |
8101 | abi_long arg8) | |
31e31b8a | 8102 | { |
182735ef | 8103 | CPUState *cpu = ENV_GET_CPU(cpu_env); |
992f48a0 | 8104 | abi_long ret; |
4f7f8924 AR |
8105 | #if defined(TARGET_NR_stat) || defined(TARGET_NR_stat64) \ |
8106 | || defined(TARGET_NR_lstat) || defined(TARGET_NR_lstat64) \ | |
8107 | || defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64) | |
31e31b8a | 8108 | struct stat st; |
4f7f8924 AR |
8109 | #endif |
8110 | #if defined(TARGET_NR_statfs) || defined(TARGET_NR_statfs64) \ | |
8111 | || defined(TARGET_NR_fstatfs) | |
56c8f68f | 8112 | struct statfs stfs; |
4f7f8924 | 8113 | #endif |
53a5960a | 8114 | void *p; |
3b46e624 | 8115 | |
71a8f7fe TB |
8116 | #if defined(DEBUG_ERESTARTSYS) |
8117 | /* Debug-only code for exercising the syscall-restart code paths | |
8118 | * in the per-architecture cpu main loops: restart every syscall | |
8119 | * the guest makes once before letting it through. | |
8120 | */ | |
8121 | { | |
8122 | static int flag; | |
8123 | ||
8124 | flag = !flag; | |
8125 | if (flag) { | |
8126 | return -TARGET_ERESTARTSYS; | |
8127 | } | |
8128 | } | |
8129 | #endif | |
8130 | ||
9c15e700 | 8131 | trace_guest_user_syscall(cpu, num, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8); |
b92c47c1 TS |
8132 | if(do_strace) |
8133 | print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6); | |
8134 | ||
31e31b8a FB |
8135 | switch(num) { |
8136 | case TARGET_NR_exit: | |
9b056fcc AF |
8137 | /* In old applications this may be used to implement _exit(2). |
8138 | However in threaded applictions it is used for thread termination, | |
8139 | and _exit_group is used for application termination. | |
8140 | Do thread termination if we have more then one thread. */ | |
a0995886 TB |
8141 | |
8142 | if (block_signals()) { | |
8143 | ret = -TARGET_ERESTARTSYS; | |
8144 | break; | |
8145 | } | |
8146 | ||
dd1f6349 AB |
8147 | cpu_list_lock(); |
8148 | ||
bdc44640 | 8149 | if (CPU_NEXT(first_cpu)) { |
9b056fcc | 8150 | TaskState *ts; |
9b056fcc | 8151 | |
9b056fcc | 8152 | /* Remove the CPU from the list. */ |
bdc44640 | 8153 | QTAILQ_REMOVE(&cpus, cpu, node); |
dd1f6349 | 8154 | |
9b056fcc | 8155 | cpu_list_unlock(); |
dd1f6349 | 8156 | |
0429a971 | 8157 | ts = cpu->opaque; |
9b056fcc AF |
8158 | if (ts->child_tidptr) { |
8159 | put_user_u32(0, ts->child_tidptr); | |
8160 | sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX, | |
8161 | NULL, NULL, 0); | |
8162 | } | |
a2247f8e | 8163 | thread_cpu = NULL; |
0429a971 | 8164 | object_unref(OBJECT(cpu)); |
9b056fcc | 8165 | g_free(ts); |
70903763 | 8166 | rcu_unregister_thread(); |
9b056fcc AF |
8167 | pthread_exit(NULL); |
8168 | } | |
dd1f6349 AB |
8169 | |
8170 | cpu_list_unlock(); | |
708b6a64 | 8171 | preexit_cleanup(cpu_env, arg1); |
c2764719 | 8172 | _exit(arg1); |
31e31b8a FB |
8173 | ret = 0; /* avoid warning */ |
8174 | break; | |
8175 | case TARGET_NR_read: | |
38d840e6 AJ |
8176 | if (arg3 == 0) |
8177 | ret = 0; | |
8178 | else { | |
8179 | if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) | |
8180 | goto efault; | |
50afd02b | 8181 | ret = get_errno(safe_read(arg1, p, arg3)); |
e36800c9 | 8182 | if (ret >= 0 && |
5d4d3665 LV |
8183 | fd_trans_host_to_target_data(arg1)) { |
8184 | ret = fd_trans_host_to_target_data(arg1)(p, ret); | |
e36800c9 | 8185 | } |
38d840e6 AJ |
8186 | unlock_user(p, arg2, ret); |
8187 | } | |
31e31b8a FB |
8188 | break; |
8189 | case TARGET_NR_write: | |
579a97f7 FB |
8190 | if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
8191 | goto efault; | |
04b9bcf9 LV |
8192 | if (fd_trans_target_to_host_data(arg1)) { |
8193 | void *copy = g_malloc(arg3); | |
8194 | memcpy(copy, p, arg3); | |
8195 | ret = fd_trans_target_to_host_data(arg1)(copy, arg3); | |
8196 | if (ret >= 0) { | |
8197 | ret = get_errno(safe_write(arg1, copy, ret)); | |
8198 | } | |
8199 | g_free(copy); | |
8200 | } else { | |
8201 | ret = get_errno(safe_write(arg1, p, arg3)); | |
8202 | } | |
53a5960a | 8203 | unlock_user(p, arg2, 0); |
31e31b8a | 8204 | break; |
704eff6c | 8205 | #ifdef TARGET_NR_open |
31e31b8a | 8206 | case TARGET_NR_open: |
2f619698 FB |
8207 | if (!(p = lock_user_string(arg1))) |
8208 | goto efault; | |
0b2effd7 RV |
8209 | ret = get_errno(do_openat(cpu_env, AT_FDCWD, p, |
8210 | target_to_host_bitmask(arg2, fcntl_flags_tbl), | |
8211 | arg3)); | |
e36800c9 | 8212 | fd_trans_unregister(ret); |
53a5960a | 8213 | unlock_user(p, arg1, 0); |
31e31b8a | 8214 | break; |
704eff6c | 8215 | #endif |
82424832 | 8216 | case TARGET_NR_openat: |
579a97f7 FB |
8217 | if (!(p = lock_user_string(arg2))) |
8218 | goto efault; | |
0b2effd7 RV |
8219 | ret = get_errno(do_openat(cpu_env, arg1, p, |
8220 | target_to_host_bitmask(arg3, fcntl_flags_tbl), | |
8221 | arg4)); | |
e36800c9 | 8222 | fd_trans_unregister(ret); |
579a97f7 | 8223 | unlock_user(p, arg2, 0); |
82424832 | 8224 | break; |
0f0426f3 LV |
8225 | #if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) |
8226 | case TARGET_NR_name_to_handle_at: | |
8227 | ret = do_name_to_handle_at(arg1, arg2, arg3, arg4, arg5); | |
8228 | break; | |
8229 | #endif | |
8230 | #if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) | |
8231 | case TARGET_NR_open_by_handle_at: | |
8232 | ret = do_open_by_handle_at(arg1, arg2, arg3); | |
e36800c9 | 8233 | fd_trans_unregister(ret); |
0f0426f3 LV |
8234 | break; |
8235 | #endif | |
31e31b8a | 8236 | case TARGET_NR_close: |
e36800c9 | 8237 | fd_trans_unregister(arg1); |
31e31b8a FB |
8238 | ret = get_errno(close(arg1)); |
8239 | break; | |
8240 | case TARGET_NR_brk: | |
53a5960a | 8241 | ret = do_brk(arg1); |
31e31b8a | 8242 | break; |
704eff6c | 8243 | #ifdef TARGET_NR_fork |
31e31b8a | 8244 | case TARGET_NR_fork: |
7eddb5dd | 8245 | ret = get_errno(do_fork(cpu_env, TARGET_SIGCHLD, 0, 0, 0, 0)); |
31e31b8a | 8246 | break; |
704eff6c | 8247 | #endif |
e5febef5 | 8248 | #ifdef TARGET_NR_waitpid |
31e31b8a FB |
8249 | case TARGET_NR_waitpid: |
8250 | { | |
53a5960a | 8251 | int status; |
4af80a37 | 8252 | ret = get_errno(safe_wait4(arg1, &status, arg3, 0)); |
5379557b | 8253 | if (!is_error(ret) && arg2 && ret |
1d9d8b55 | 8254 | && put_user_s32(host_to_target_waitstatus(status), arg2)) |
2f619698 | 8255 | goto efault; |
31e31b8a FB |
8256 | } |
8257 | break; | |
e5febef5 | 8258 | #endif |
f0cbb613 PB |
8259 | #ifdef TARGET_NR_waitid |
8260 | case TARGET_NR_waitid: | |
8261 | { | |
8262 | siginfo_t info; | |
8263 | info.si_pid = 0; | |
4af80a37 | 8264 | ret = get_errno(safe_waitid(arg1, arg2, &info, arg4, NULL)); |
f0cbb613 | 8265 | if (!is_error(ret) && arg3 && info.si_pid != 0) { |
c227f099 | 8266 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0))) |
f0cbb613 PB |
8267 | goto efault; |
8268 | host_to_target_siginfo(p, &info); | |
c227f099 | 8269 | unlock_user(p, arg3, sizeof(target_siginfo_t)); |
f0cbb613 PB |
8270 | } |
8271 | } | |
8272 | break; | |
8273 | #endif | |
7a3148a9 | 8274 | #ifdef TARGET_NR_creat /* not on alpha */ |
31e31b8a | 8275 | case TARGET_NR_creat: |
579a97f7 FB |
8276 | if (!(p = lock_user_string(arg1))) |
8277 | goto efault; | |
53a5960a | 8278 | ret = get_errno(creat(p, arg2)); |
e36800c9 | 8279 | fd_trans_unregister(ret); |
53a5960a | 8280 | unlock_user(p, arg1, 0); |
31e31b8a | 8281 | break; |
7a3148a9 | 8282 | #endif |
704eff6c | 8283 | #ifdef TARGET_NR_link |
31e31b8a | 8284 | case TARGET_NR_link: |
53a5960a PB |
8285 | { |
8286 | void * p2; | |
8287 | p = lock_user_string(arg1); | |
8288 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
8289 | if (!p || !p2) |
8290 | ret = -TARGET_EFAULT; | |
8291 | else | |
8292 | ret = get_errno(link(p, p2)); | |
53a5960a PB |
8293 | unlock_user(p2, arg2, 0); |
8294 | unlock_user(p, arg1, 0); | |
8295 | } | |
31e31b8a | 8296 | break; |
704eff6c | 8297 | #endif |
c0d472b1 | 8298 | #if defined(TARGET_NR_linkat) |
64f0ce4c | 8299 | case TARGET_NR_linkat: |
64f0ce4c TS |
8300 | { |
8301 | void * p2 = NULL; | |
579a97f7 FB |
8302 | if (!arg2 || !arg4) |
8303 | goto efault; | |
64f0ce4c TS |
8304 | p = lock_user_string(arg2); |
8305 | p2 = lock_user_string(arg4); | |
579a97f7 | 8306 | if (!p || !p2) |
0da46a6e | 8307 | ret = -TARGET_EFAULT; |
64f0ce4c | 8308 | else |
c0d472b1 | 8309 | ret = get_errno(linkat(arg1, p, arg3, p2, arg5)); |
579a97f7 FB |
8310 | unlock_user(p, arg2, 0); |
8311 | unlock_user(p2, arg4, 0); | |
64f0ce4c TS |
8312 | } |
8313 | break; | |
8314 | #endif | |
704eff6c | 8315 | #ifdef TARGET_NR_unlink |
31e31b8a | 8316 | case TARGET_NR_unlink: |
579a97f7 FB |
8317 | if (!(p = lock_user_string(arg1))) |
8318 | goto efault; | |
53a5960a PB |
8319 | ret = get_errno(unlink(p)); |
8320 | unlock_user(p, arg1, 0); | |
31e31b8a | 8321 | break; |
704eff6c | 8322 | #endif |
c0d472b1 | 8323 | #if defined(TARGET_NR_unlinkat) |
8170f56b | 8324 | case TARGET_NR_unlinkat: |
579a97f7 FB |
8325 | if (!(p = lock_user_string(arg2))) |
8326 | goto efault; | |
c0d472b1 | 8327 | ret = get_errno(unlinkat(arg1, p, arg3)); |
579a97f7 | 8328 | unlock_user(p, arg2, 0); |
ed494d87 | 8329 | break; |
b7d35e65 | 8330 | #endif |
31e31b8a | 8331 | case TARGET_NR_execve: |
7854b056 FB |
8332 | { |
8333 | char **argp, **envp; | |
f7341ff4 | 8334 | int argc, envc; |
992f48a0 BS |
8335 | abi_ulong gp; |
8336 | abi_ulong guest_argp; | |
8337 | abi_ulong guest_envp; | |
8338 | abi_ulong addr; | |
7854b056 | 8339 | char **q; |
a6f79cc9 | 8340 | int total_size = 0; |
7854b056 | 8341 | |
f7341ff4 | 8342 | argc = 0; |
53a5960a | 8343 | guest_argp = arg2; |
da94d263 | 8344 | for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) { |
03aa1976 | 8345 | if (get_user_ual(addr, gp)) |
2f619698 | 8346 | goto efault; |
03aa1976 | 8347 | if (!addr) |
2f619698 | 8348 | break; |
7854b056 | 8349 | argc++; |
2f619698 | 8350 | } |
f7341ff4 | 8351 | envc = 0; |
53a5960a | 8352 | guest_envp = arg3; |
da94d263 | 8353 | for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) { |
03aa1976 | 8354 | if (get_user_ual(addr, gp)) |
2f619698 | 8355 | goto efault; |
03aa1976 | 8356 | if (!addr) |
2f619698 | 8357 | break; |
7854b056 | 8358 | envc++; |
2f619698 | 8359 | } |
7854b056 | 8360 | |
b936cb50 PP |
8361 | argp = g_new0(char *, argc + 1); |
8362 | envp = g_new0(char *, envc + 1); | |
7854b056 | 8363 | |
da94d263 | 8364 | for (gp = guest_argp, q = argp; gp; |
992f48a0 | 8365 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
8366 | if (get_user_ual(addr, gp)) |
8367 | goto execve_efault; | |
53a5960a PB |
8368 | if (!addr) |
8369 | break; | |
2f619698 FB |
8370 | if (!(*q = lock_user_string(addr))) |
8371 | goto execve_efault; | |
a6f79cc9 | 8372 | total_size += strlen(*q) + 1; |
53a5960a | 8373 | } |
f7341ff4 FB |
8374 | *q = NULL; |
8375 | ||
da94d263 | 8376 | for (gp = guest_envp, q = envp; gp; |
992f48a0 | 8377 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
8378 | if (get_user_ual(addr, gp)) |
8379 | goto execve_efault; | |
53a5960a PB |
8380 | if (!addr) |
8381 | break; | |
2f619698 FB |
8382 | if (!(*q = lock_user_string(addr))) |
8383 | goto execve_efault; | |
a6f79cc9 | 8384 | total_size += strlen(*q) + 1; |
53a5960a | 8385 | } |
f7341ff4 | 8386 | *q = NULL; |
7854b056 | 8387 | |
2f619698 FB |
8388 | if (!(p = lock_user_string(arg1))) |
8389 | goto execve_efault; | |
ffdcbe22 TB |
8390 | /* Although execve() is not an interruptible syscall it is |
8391 | * a special case where we must use the safe_syscall wrapper: | |
8392 | * if we allow a signal to happen before we make the host | |
8393 | * syscall then we will 'lose' it, because at the point of | |
8394 | * execve the process leaves QEMU's control. So we use the | |
8395 | * safe syscall wrapper to ensure that we either take the | |
8396 | * signal as a guest signal, or else it does not happen | |
8397 | * before the execve completes and makes it the other | |
8398 | * program's problem. | |
8399 | */ | |
8400 | ret = get_errno(safe_execve(p, argp, envp)); | |
53a5960a PB |
8401 | unlock_user(p, arg1, 0); |
8402 | ||
2f619698 FB |
8403 | goto execve_end; |
8404 | ||
8405 | execve_efault: | |
8406 | ret = -TARGET_EFAULT; | |
8407 | ||
8408 | execve_end: | |
53a5960a | 8409 | for (gp = guest_argp, q = argp; *q; |
992f48a0 | 8410 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
8411 | if (get_user_ual(addr, gp) |
8412 | || !addr) | |
8413 | break; | |
53a5960a PB |
8414 | unlock_user(*q, addr, 0); |
8415 | } | |
8416 | for (gp = guest_envp, q = envp; *q; | |
992f48a0 | 8417 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
8418 | if (get_user_ual(addr, gp) |
8419 | || !addr) | |
8420 | break; | |
53a5960a PB |
8421 | unlock_user(*q, addr, 0); |
8422 | } | |
b936cb50 PP |
8423 | |
8424 | g_free(argp); | |
8425 | g_free(envp); | |
7854b056 | 8426 | } |
31e31b8a FB |
8427 | break; |
8428 | case TARGET_NR_chdir: | |
579a97f7 FB |
8429 | if (!(p = lock_user_string(arg1))) |
8430 | goto efault; | |
53a5960a PB |
8431 | ret = get_errno(chdir(p)); |
8432 | unlock_user(p, arg1, 0); | |
31e31b8a | 8433 | break; |
a315a145 | 8434 | #ifdef TARGET_NR_time |
31e31b8a FB |
8435 | case TARGET_NR_time: |
8436 | { | |
53a5960a PB |
8437 | time_t host_time; |
8438 | ret = get_errno(time(&host_time)); | |
2f619698 FB |
8439 | if (!is_error(ret) |
8440 | && arg1 | |
8441 | && put_user_sal(host_time, arg1)) | |
8442 | goto efault; | |
31e31b8a FB |
8443 | } |
8444 | break; | |
a315a145 | 8445 | #endif |
704eff6c | 8446 | #ifdef TARGET_NR_mknod |
31e31b8a | 8447 | case TARGET_NR_mknod: |
579a97f7 FB |
8448 | if (!(p = lock_user_string(arg1))) |
8449 | goto efault; | |
53a5960a PB |
8450 | ret = get_errno(mknod(p, arg2, arg3)); |
8451 | unlock_user(p, arg1, 0); | |
31e31b8a | 8452 | break; |
704eff6c | 8453 | #endif |
c0d472b1 | 8454 | #if defined(TARGET_NR_mknodat) |
75ac37a0 | 8455 | case TARGET_NR_mknodat: |
579a97f7 FB |
8456 | if (!(p = lock_user_string(arg2))) |
8457 | goto efault; | |
c0d472b1 | 8458 | ret = get_errno(mknodat(arg1, p, arg3, arg4)); |
579a97f7 | 8459 | unlock_user(p, arg2, 0); |
75ac37a0 TS |
8460 | break; |
8461 | #endif | |
704eff6c | 8462 | #ifdef TARGET_NR_chmod |
31e31b8a | 8463 | case TARGET_NR_chmod: |
579a97f7 FB |
8464 | if (!(p = lock_user_string(arg1))) |
8465 | goto efault; | |
53a5960a PB |
8466 | ret = get_errno(chmod(p, arg2)); |
8467 | unlock_user(p, arg1, 0); | |
31e31b8a | 8468 | break; |
704eff6c | 8469 | #endif |
ebc05488 | 8470 | #ifdef TARGET_NR_break |
31e31b8a FB |
8471 | case TARGET_NR_break: |
8472 | goto unimplemented; | |
ebc05488 FB |
8473 | #endif |
8474 | #ifdef TARGET_NR_oldstat | |
31e31b8a FB |
8475 | case TARGET_NR_oldstat: |
8476 | goto unimplemented; | |
ebc05488 | 8477 | #endif |
4f7f8924 | 8478 | #ifdef TARGET_NR_lseek |
31e31b8a FB |
8479 | case TARGET_NR_lseek: |
8480 | ret = get_errno(lseek(arg1, arg2, arg3)); | |
8481 | break; | |
4f7f8924 | 8482 | #endif |
9231733a RH |
8483 | #if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA) |
8484 | /* Alpha specific */ | |
7a3148a9 | 8485 | case TARGET_NR_getxpid: |
9231733a RH |
8486 | ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid(); |
8487 | ret = get_errno(getpid()); | |
8488 | break; | |
7a3148a9 | 8489 | #endif |
9231733a RH |
8490 | #ifdef TARGET_NR_getpid |
8491 | case TARGET_NR_getpid: | |
31e31b8a FB |
8492 | ret = get_errno(getpid()); |
8493 | break; | |
9231733a | 8494 | #endif |
31e31b8a | 8495 | case TARGET_NR_mount: |
356d771b PB |
8496 | { |
8497 | /* need to look at the data field */ | |
8498 | void *p2, *p3; | |
8499 | ||
8500 | if (arg1) { | |
8501 | p = lock_user_string(arg1); | |
8502 | if (!p) { | |
8503 | goto efault; | |
8504 | } | |
8505 | } else { | |
8506 | p = NULL; | |
8507 | } | |
8508 | ||
8509 | p2 = lock_user_string(arg2); | |
8510 | if (!p2) { | |
8511 | if (arg1) { | |
8512 | unlock_user(p, arg1, 0); | |
8513 | } | |
8514 | goto efault; | |
8515 | } | |
8516 | ||
8517 | if (arg3) { | |
8518 | p3 = lock_user_string(arg3); | |
8519 | if (!p3) { | |
8520 | if (arg1) { | |
579a97f7 | 8521 | unlock_user(p, arg1, 0); |
356d771b PB |
8522 | } |
8523 | unlock_user(p2, arg2, 0); | |
8524 | goto efault; | |
8525 | } | |
8526 | } else { | |
8527 | p3 = NULL; | |
8528 | } | |
8529 | ||
8530 | /* FIXME - arg5 should be locked, but it isn't clear how to | |
8531 | * do that since it's not guaranteed to be a NULL-terminated | |
8532 | * string. | |
8533 | */ | |
8534 | if (!arg5) { | |
8535 | ret = mount(p, p2, p3, (unsigned long)arg4, NULL); | |
8536 | } else { | |
8537 | ret = mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)); | |
8538 | } | |
8539 | ret = get_errno(ret); | |
8540 | ||
8541 | if (arg1) { | |
8542 | unlock_user(p, arg1, 0); | |
8543 | } | |
8544 | unlock_user(p2, arg2, 0); | |
8545 | if (arg3) { | |
8546 | unlock_user(p3, arg3, 0); | |
8547 | } | |
8548 | } | |
8549 | break; | |
e5febef5 | 8550 | #ifdef TARGET_NR_umount |
31e31b8a | 8551 | case TARGET_NR_umount: |
579a97f7 FB |
8552 | if (!(p = lock_user_string(arg1))) |
8553 | goto efault; | |
53a5960a PB |
8554 | ret = get_errno(umount(p)); |
8555 | unlock_user(p, arg1, 0); | |
31e31b8a | 8556 | break; |
e5febef5 | 8557 | #endif |
7a3148a9 | 8558 | #ifdef TARGET_NR_stime /* not on alpha */ |
31e31b8a FB |
8559 | case TARGET_NR_stime: |
8560 | { | |
53a5960a | 8561 | time_t host_time; |
2f619698 FB |
8562 | if (get_user_sal(host_time, arg1)) |
8563 | goto efault; | |
53a5960a | 8564 | ret = get_errno(stime(&host_time)); |
31e31b8a FB |
8565 | } |
8566 | break; | |
7a3148a9 | 8567 | #endif |
31e31b8a FB |
8568 | case TARGET_NR_ptrace: |
8569 | goto unimplemented; | |
7a3148a9 | 8570 | #ifdef TARGET_NR_alarm /* not on alpha */ |
31e31b8a FB |
8571 | case TARGET_NR_alarm: |
8572 | ret = alarm(arg1); | |
8573 | break; | |
7a3148a9 | 8574 | #endif |
ebc05488 | 8575 | #ifdef TARGET_NR_oldfstat |
31e31b8a FB |
8576 | case TARGET_NR_oldfstat: |
8577 | goto unimplemented; | |
ebc05488 | 8578 | #endif |
7a3148a9 | 8579 | #ifdef TARGET_NR_pause /* not on alpha */ |
31e31b8a | 8580 | case TARGET_NR_pause: |
f59ec606 TB |
8581 | if (!block_signals()) { |
8582 | sigsuspend(&((TaskState *)cpu->opaque)->signal_mask); | |
8583 | } | |
8584 | ret = -TARGET_EINTR; | |
31e31b8a | 8585 | break; |
7a3148a9 | 8586 | #endif |
e5febef5 | 8587 | #ifdef TARGET_NR_utime |
31e31b8a | 8588 | case TARGET_NR_utime: |
ebc05488 | 8589 | { |
53a5960a PB |
8590 | struct utimbuf tbuf, *host_tbuf; |
8591 | struct target_utimbuf *target_tbuf; | |
8592 | if (arg2) { | |
579a97f7 FB |
8593 | if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1)) |
8594 | goto efault; | |
cbb21eed MB |
8595 | tbuf.actime = tswapal(target_tbuf->actime); |
8596 | tbuf.modtime = tswapal(target_tbuf->modtime); | |
53a5960a PB |
8597 | unlock_user_struct(target_tbuf, arg2, 0); |
8598 | host_tbuf = &tbuf; | |
f72e8ff4 | 8599 | } else { |
53a5960a | 8600 | host_tbuf = NULL; |
f72e8ff4 | 8601 | } |
579a97f7 FB |
8602 | if (!(p = lock_user_string(arg1))) |
8603 | goto efault; | |
53a5960a PB |
8604 | ret = get_errno(utime(p, host_tbuf)); |
8605 | unlock_user(p, arg1, 0); | |
ebc05488 FB |
8606 | } |
8607 | break; | |
e5febef5 | 8608 | #endif |
704eff6c | 8609 | #ifdef TARGET_NR_utimes |
978a66ff FB |
8610 | case TARGET_NR_utimes: |
8611 | { | |
978a66ff | 8612 | struct timeval *tvp, tv[2]; |
53a5960a | 8613 | if (arg2) { |
788f5ec4 TS |
8614 | if (copy_from_user_timeval(&tv[0], arg2) |
8615 | || copy_from_user_timeval(&tv[1], | |
8616 | arg2 + sizeof(struct target_timeval))) | |
8617 | goto efault; | |
978a66ff FB |
8618 | tvp = tv; |
8619 | } else { | |
8620 | tvp = NULL; | |
8621 | } | |
579a97f7 FB |
8622 | if (!(p = lock_user_string(arg1))) |
8623 | goto efault; | |
53a5960a PB |
8624 | ret = get_errno(utimes(p, tvp)); |
8625 | unlock_user(p, arg1, 0); | |
978a66ff FB |
8626 | } |
8627 | break; | |
704eff6c | 8628 | #endif |
c0d472b1 | 8629 | #if defined(TARGET_NR_futimesat) |
ac8a6556 AZ |
8630 | case TARGET_NR_futimesat: |
8631 | { | |
8632 | struct timeval *tvp, tv[2]; | |
8633 | if (arg3) { | |
8634 | if (copy_from_user_timeval(&tv[0], arg3) | |
8635 | || copy_from_user_timeval(&tv[1], | |
8636 | arg3 + sizeof(struct target_timeval))) | |
8637 | goto efault; | |
8638 | tvp = tv; | |
8639 | } else { | |
8640 | tvp = NULL; | |
8641 | } | |
8642 | if (!(p = lock_user_string(arg2))) | |
8643 | goto efault; | |
c0d472b1 | 8644 | ret = get_errno(futimesat(arg1, path(p), tvp)); |
ac8a6556 AZ |
8645 | unlock_user(p, arg2, 0); |
8646 | } | |
8647 | break; | |
8648 | #endif | |
ebc05488 | 8649 | #ifdef TARGET_NR_stty |
31e31b8a FB |
8650 | case TARGET_NR_stty: |
8651 | goto unimplemented; | |
ebc05488 FB |
8652 | #endif |
8653 | #ifdef TARGET_NR_gtty | |
31e31b8a FB |
8654 | case TARGET_NR_gtty: |
8655 | goto unimplemented; | |
ebc05488 | 8656 | #endif |
704eff6c | 8657 | #ifdef TARGET_NR_access |
31e31b8a | 8658 | case TARGET_NR_access: |
579a97f7 FB |
8659 | if (!(p = lock_user_string(arg1))) |
8660 | goto efault; | |
719f908e | 8661 | ret = get_errno(access(path(p), arg2)); |
53a5960a | 8662 | unlock_user(p, arg1, 0); |
31e31b8a | 8663 | break; |
704eff6c | 8664 | #endif |
92a34c10 TS |
8665 | #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat) |
8666 | case TARGET_NR_faccessat: | |
579a97f7 FB |
8667 | if (!(p = lock_user_string(arg2))) |
8668 | goto efault; | |
c0d472b1 | 8669 | ret = get_errno(faccessat(arg1, p, arg3, 0)); |
579a97f7 | 8670 | unlock_user(p, arg2, 0); |
92a34c10 TS |
8671 | break; |
8672 | #endif | |
7a3148a9 | 8673 | #ifdef TARGET_NR_nice /* not on alpha */ |
31e31b8a FB |
8674 | case TARGET_NR_nice: |
8675 | ret = get_errno(nice(arg1)); | |
8676 | break; | |
7a3148a9 | 8677 | #endif |
ebc05488 | 8678 | #ifdef TARGET_NR_ftime |
31e31b8a FB |
8679 | case TARGET_NR_ftime: |
8680 | goto unimplemented; | |
ebc05488 | 8681 | #endif |
31e31b8a | 8682 | case TARGET_NR_sync: |
04369ff2 FB |
8683 | sync(); |
8684 | ret = 0; | |
31e31b8a | 8685 | break; |
5a03cd00 AM |
8686 | #if defined(TARGET_NR_syncfs) && defined(CONFIG_SYNCFS) |
8687 | case TARGET_NR_syncfs: | |
8688 | ret = get_errno(syncfs(arg1)); | |
8689 | break; | |
8690 | #endif | |
31e31b8a | 8691 | case TARGET_NR_kill: |
bef653d9 | 8692 | ret = get_errno(safe_kill(arg1, target_to_host_signal(arg2))); |
31e31b8a | 8693 | break; |
704eff6c | 8694 | #ifdef TARGET_NR_rename |
31e31b8a | 8695 | case TARGET_NR_rename: |
53a5960a PB |
8696 | { |
8697 | void *p2; | |
8698 | p = lock_user_string(arg1); | |
8699 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
8700 | if (!p || !p2) |
8701 | ret = -TARGET_EFAULT; | |
8702 | else | |
8703 | ret = get_errno(rename(p, p2)); | |
53a5960a PB |
8704 | unlock_user(p2, arg2, 0); |
8705 | unlock_user(p, arg1, 0); | |
8706 | } | |
31e31b8a | 8707 | break; |
704eff6c | 8708 | #endif |
c0d472b1 | 8709 | #if defined(TARGET_NR_renameat) |
722183f6 | 8710 | case TARGET_NR_renameat: |
722183f6 | 8711 | { |
579a97f7 | 8712 | void *p2; |
722183f6 TS |
8713 | p = lock_user_string(arg2); |
8714 | p2 = lock_user_string(arg4); | |
579a97f7 | 8715 | if (!p || !p2) |
0da46a6e | 8716 | ret = -TARGET_EFAULT; |
722183f6 | 8717 | else |
c0d472b1 | 8718 | ret = get_errno(renameat(arg1, p, arg3, p2)); |
579a97f7 FB |
8719 | unlock_user(p2, arg4, 0); |
8720 | unlock_user(p, arg2, 0); | |
722183f6 | 8721 | } |
95d0307c AS |
8722 | break; |
8723 | #endif | |
8724 | #if defined(TARGET_NR_renameat2) | |
8725 | case TARGET_NR_renameat2: | |
8726 | { | |
8727 | void *p2; | |
8728 | p = lock_user_string(arg2); | |
8729 | p2 = lock_user_string(arg4); | |
8730 | if (!p || !p2) { | |
8731 | ret = -TARGET_EFAULT; | |
8732 | } else { | |
8733 | ret = get_errno(sys_renameat2(arg1, p, arg3, p2, arg5)); | |
8734 | } | |
8735 | unlock_user(p2, arg4, 0); | |
8736 | unlock_user(p, arg2, 0); | |
8737 | } | |
722183f6 TS |
8738 | break; |
8739 | #endif | |
704eff6c | 8740 | #ifdef TARGET_NR_mkdir |
31e31b8a | 8741 | case TARGET_NR_mkdir: |
579a97f7 FB |
8742 | if (!(p = lock_user_string(arg1))) |
8743 | goto efault; | |
53a5960a PB |
8744 | ret = get_errno(mkdir(p, arg2)); |
8745 | unlock_user(p, arg1, 0); | |
31e31b8a | 8746 | break; |
704eff6c | 8747 | #endif |
c0d472b1 | 8748 | #if defined(TARGET_NR_mkdirat) |
4472ad0d | 8749 | case TARGET_NR_mkdirat: |
579a97f7 FB |
8750 | if (!(p = lock_user_string(arg2))) |
8751 | goto efault; | |
c0d472b1 | 8752 | ret = get_errno(mkdirat(arg1, p, arg3)); |
579a97f7 | 8753 | unlock_user(p, arg2, 0); |
4472ad0d TS |
8754 | break; |
8755 | #endif | |
704eff6c | 8756 | #ifdef TARGET_NR_rmdir |
31e31b8a | 8757 | case TARGET_NR_rmdir: |
579a97f7 FB |
8758 | if (!(p = lock_user_string(arg1))) |
8759 | goto efault; | |
53a5960a PB |
8760 | ret = get_errno(rmdir(p)); |
8761 | unlock_user(p, arg1, 0); | |
31e31b8a | 8762 | break; |
704eff6c | 8763 | #endif |
31e31b8a FB |
8764 | case TARGET_NR_dup: |
8765 | ret = get_errno(dup(arg1)); | |
e36800c9 LV |
8766 | if (ret >= 0) { |
8767 | fd_trans_dup(arg1, ret); | |
8768 | } | |
31e31b8a | 8769 | break; |
704eff6c | 8770 | #ifdef TARGET_NR_pipe |
31e31b8a | 8771 | case TARGET_NR_pipe: |
fb41a66e | 8772 | ret = do_pipe(cpu_env, arg1, 0, 0); |
099d6b0f | 8773 | break; |
704eff6c | 8774 | #endif |
099d6b0f RV |
8775 | #ifdef TARGET_NR_pipe2 |
8776 | case TARGET_NR_pipe2: | |
e7ea6cbe RH |
8777 | ret = do_pipe(cpu_env, arg1, |
8778 | target_to_host_bitmask(arg2, fcntl_flags_tbl), 1); | |
31e31b8a | 8779 | break; |
099d6b0f | 8780 | #endif |
31e31b8a | 8781 | case TARGET_NR_times: |
32f36bce | 8782 | { |
53a5960a | 8783 | struct target_tms *tmsp; |
32f36bce FB |
8784 | struct tms tms; |
8785 | ret = get_errno(times(&tms)); | |
53a5960a | 8786 | if (arg1) { |
579a97f7 FB |
8787 | tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0); |
8788 | if (!tmsp) | |
8789 | goto efault; | |
cbb21eed MB |
8790 | tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime)); |
8791 | tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime)); | |
8792 | tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime)); | |
8793 | tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime)); | |
32f36bce | 8794 | } |
c596ed17 FB |
8795 | if (!is_error(ret)) |
8796 | ret = host_to_target_clock_t(ret); | |
32f36bce FB |
8797 | } |
8798 | break; | |
ebc05488 | 8799 | #ifdef TARGET_NR_prof |
31e31b8a FB |
8800 | case TARGET_NR_prof: |
8801 | goto unimplemented; | |
ebc05488 | 8802 | #endif |
e5febef5 | 8803 | #ifdef TARGET_NR_signal |
31e31b8a FB |
8804 | case TARGET_NR_signal: |
8805 | goto unimplemented; | |
e5febef5 | 8806 | #endif |
31e31b8a | 8807 | case TARGET_NR_acct: |
38d840e6 AJ |
8808 | if (arg1 == 0) { |
8809 | ret = get_errno(acct(NULL)); | |
8810 | } else { | |
8811 | if (!(p = lock_user_string(arg1))) | |
8812 | goto efault; | |
8813 | ret = get_errno(acct(path(p))); | |
8814 | unlock_user(p, arg1, 0); | |
8815 | } | |
24836689 | 8816 | break; |
8070e7be | 8817 | #ifdef TARGET_NR_umount2 |
31e31b8a | 8818 | case TARGET_NR_umount2: |
579a97f7 FB |
8819 | if (!(p = lock_user_string(arg1))) |
8820 | goto efault; | |
53a5960a PB |
8821 | ret = get_errno(umount2(p, arg2)); |
8822 | unlock_user(p, arg1, 0); | |
31e31b8a | 8823 | break; |
7a3148a9 | 8824 | #endif |
ebc05488 | 8825 | #ifdef TARGET_NR_lock |
31e31b8a FB |
8826 | case TARGET_NR_lock: |
8827 | goto unimplemented; | |
ebc05488 | 8828 | #endif |
31e31b8a FB |
8829 | case TARGET_NR_ioctl: |
8830 | ret = do_ioctl(arg1, arg2, arg3); | |
8831 | break; | |
47ae93cd | 8832 | #ifdef TARGET_NR_fcntl |
31e31b8a | 8833 | case TARGET_NR_fcntl: |
9ee1fa2c | 8834 | ret = do_fcntl(arg1, arg2, arg3); |
31e31b8a | 8835 | break; |
47ae93cd | 8836 | #endif |
ebc05488 | 8837 | #ifdef TARGET_NR_mpx |
31e31b8a FB |
8838 | case TARGET_NR_mpx: |
8839 | goto unimplemented; | |
ebc05488 | 8840 | #endif |
31e31b8a FB |
8841 | case TARGET_NR_setpgid: |
8842 | ret = get_errno(setpgid(arg1, arg2)); | |
8843 | break; | |
ebc05488 | 8844 | #ifdef TARGET_NR_ulimit |
31e31b8a FB |
8845 | case TARGET_NR_ulimit: |
8846 | goto unimplemented; | |
ebc05488 FB |
8847 | #endif |
8848 | #ifdef TARGET_NR_oldolduname | |
31e31b8a FB |
8849 | case TARGET_NR_oldolduname: |
8850 | goto unimplemented; | |
ebc05488 | 8851 | #endif |
31e31b8a FB |
8852 | case TARGET_NR_umask: |
8853 | ret = get_errno(umask(arg1)); | |
8854 | break; | |
8855 | case TARGET_NR_chroot: | |
579a97f7 FB |
8856 | if (!(p = lock_user_string(arg1))) |
8857 | goto efault; | |
53a5960a PB |
8858 | ret = get_errno(chroot(p)); |
8859 | unlock_user(p, arg1, 0); | |
31e31b8a | 8860 | break; |
704eff6c | 8861 | #ifdef TARGET_NR_ustat |
31e31b8a FB |
8862 | case TARGET_NR_ustat: |
8863 | goto unimplemented; | |
704eff6c CG |
8864 | #endif |
8865 | #ifdef TARGET_NR_dup2 | |
31e31b8a FB |
8866 | case TARGET_NR_dup2: |
8867 | ret = get_errno(dup2(arg1, arg2)); | |
e36800c9 LV |
8868 | if (ret >= 0) { |
8869 | fd_trans_dup(arg1, arg2); | |
8870 | } | |
31e31b8a | 8871 | break; |
704eff6c | 8872 | #endif |
d0927938 UH |
8873 | #if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3) |
8874 | case TARGET_NR_dup3: | |
10fa993a PM |
8875 | { |
8876 | int host_flags; | |
8877 | ||
8878 | if ((arg3 & ~TARGET_O_CLOEXEC) != 0) { | |
8879 | return -EINVAL; | |
8880 | } | |
8881 | host_flags = target_to_host_bitmask(arg3, fcntl_flags_tbl); | |
8882 | ret = get_errno(dup3(arg1, arg2, host_flags)); | |
e36800c9 LV |
8883 | if (ret >= 0) { |
8884 | fd_trans_dup(arg1, arg2); | |
8885 | } | |
d0927938 | 8886 | break; |
10fa993a | 8887 | } |
d0927938 | 8888 | #endif |
7a3148a9 | 8889 | #ifdef TARGET_NR_getppid /* not on alpha */ |
31e31b8a FB |
8890 | case TARGET_NR_getppid: |
8891 | ret = get_errno(getppid()); | |
8892 | break; | |
7a3148a9 | 8893 | #endif |
704eff6c | 8894 | #ifdef TARGET_NR_getpgrp |
31e31b8a FB |
8895 | case TARGET_NR_getpgrp: |
8896 | ret = get_errno(getpgrp()); | |
8897 | break; | |
704eff6c | 8898 | #endif |
31e31b8a FB |
8899 | case TARGET_NR_setsid: |
8900 | ret = get_errno(setsid()); | |
8901 | break; | |
e5febef5 | 8902 | #ifdef TARGET_NR_sigaction |
31e31b8a | 8903 | case TARGET_NR_sigaction: |
31e31b8a | 8904 | { |
6049f4f8 RH |
8905 | #if defined(TARGET_ALPHA) |
8906 | struct target_sigaction act, oact, *pact = 0; | |
53a5960a | 8907 | struct target_old_sigaction *old_act; |
53a5960a | 8908 | if (arg2) { |
579a97f7 FB |
8909 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
8910 | goto efault; | |
66fb9763 FB |
8911 | act._sa_handler = old_act->_sa_handler; |
8912 | target_siginitset(&act.sa_mask, old_act->sa_mask); | |
8913 | act.sa_flags = old_act->sa_flags; | |
6049f4f8 | 8914 | act.sa_restorer = 0; |
53a5960a | 8915 | unlock_user_struct(old_act, arg2, 0); |
66fb9763 | 8916 | pact = &act; |
66fb9763 FB |
8917 | } |
8918 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
53a5960a | 8919 | if (!is_error(ret) && arg3) { |
579a97f7 FB |
8920 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
8921 | goto efault; | |
53a5960a PB |
8922 | old_act->_sa_handler = oact._sa_handler; |
8923 | old_act->sa_mask = oact.sa_mask.sig[0]; | |
8924 | old_act->sa_flags = oact.sa_flags; | |
53a5960a | 8925 | unlock_user_struct(old_act, arg3, 1); |
66fb9763 | 8926 | } |
6049f4f8 | 8927 | #elif defined(TARGET_MIPS) |
106ec879 FB |
8928 | struct target_sigaction act, oact, *pact, *old_act; |
8929 | ||
8930 | if (arg2) { | |
579a97f7 FB |
8931 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
8932 | goto efault; | |
106ec879 FB |
8933 | act._sa_handler = old_act->_sa_handler; |
8934 | target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]); | |
8935 | act.sa_flags = old_act->sa_flags; | |
8936 | unlock_user_struct(old_act, arg2, 0); | |
8937 | pact = &act; | |
8938 | } else { | |
8939 | pact = NULL; | |
8940 | } | |
8941 | ||
8942 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
8943 | ||
8944 | if (!is_error(ret) && arg3) { | |
579a97f7 FB |
8945 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
8946 | goto efault; | |
106ec879 FB |
8947 | old_act->_sa_handler = oact._sa_handler; |
8948 | old_act->sa_flags = oact.sa_flags; | |
8949 | old_act->sa_mask.sig[0] = oact.sa_mask.sig[0]; | |
8950 | old_act->sa_mask.sig[1] = 0; | |
8951 | old_act->sa_mask.sig[2] = 0; | |
8952 | old_act->sa_mask.sig[3] = 0; | |
8953 | unlock_user_struct(old_act, arg3, 1); | |
8954 | } | |
6049f4f8 RH |
8955 | #else |
8956 | struct target_old_sigaction *old_act; | |
8957 | struct target_sigaction act, oact, *pact; | |
8958 | if (arg2) { | |
8959 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) | |
8960 | goto efault; | |
8961 | act._sa_handler = old_act->_sa_handler; | |
8962 | target_siginitset(&act.sa_mask, old_act->sa_mask); | |
8963 | act.sa_flags = old_act->sa_flags; | |
8964 | act.sa_restorer = old_act->sa_restorer; | |
5de154e8 LV |
8965 | #ifdef TARGET_ARCH_HAS_KA_RESTORER |
8966 | act.ka_restorer = 0; | |
8967 | #endif | |
6049f4f8 RH |
8968 | unlock_user_struct(old_act, arg2, 0); |
8969 | pact = &act; | |
8970 | } else { | |
8971 | pact = NULL; | |
8972 | } | |
8973 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
8974 | if (!is_error(ret) && arg3) { | |
8975 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) | |
8976 | goto efault; | |
8977 | old_act->_sa_handler = oact._sa_handler; | |
8978 | old_act->sa_mask = oact.sa_mask.sig[0]; | |
8979 | old_act->sa_flags = oact.sa_flags; | |
8980 | old_act->sa_restorer = oact.sa_restorer; | |
8981 | unlock_user_struct(old_act, arg3, 1); | |
8982 | } | |
388bb21a | 8983 | #endif |
31e31b8a FB |
8984 | } |
8985 | break; | |
e5febef5 | 8986 | #endif |
66fb9763 | 8987 | case TARGET_NR_rt_sigaction: |
53a5960a | 8988 | { |
6049f4f8 | 8989 | #if defined(TARGET_ALPHA) |
78bfef72 PM |
8990 | /* For Alpha and SPARC this is a 5 argument syscall, with |
8991 | * a 'restorer' parameter which must be copied into the | |
8992 | * sa_restorer field of the sigaction struct. | |
8993 | * For Alpha that 'restorer' is arg5; for SPARC it is arg4, | |
8994 | * and arg5 is the sigsetsize. | |
8995 | * Alpha also has a separate rt_sigaction struct that it uses | |
8996 | * here; SPARC uses the usual sigaction struct. | |
8997 | */ | |
6049f4f8 | 8998 | struct target_rt_sigaction *rt_act; |
78bfef72 | 8999 | struct target_sigaction act, oact, *pact = 0; |
c815701e PM |
9000 | |
9001 | if (arg4 != sizeof(target_sigset_t)) { | |
9002 | ret = -TARGET_EINVAL; | |
9003 | break; | |
9004 | } | |
6049f4f8 RH |
9005 | if (arg2) { |
9006 | if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1)) | |
9007 | goto efault; | |
9008 | act._sa_handler = rt_act->_sa_handler; | |
9009 | act.sa_mask = rt_act->sa_mask; | |
9010 | act.sa_flags = rt_act->sa_flags; | |
9011 | act.sa_restorer = arg5; | |
9012 | unlock_user_struct(rt_act, arg2, 0); | |
9013 | pact = &act; | |
9014 | } | |
9015 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
9016 | if (!is_error(ret) && arg3) { | |
9017 | if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0)) | |
9018 | goto efault; | |
9019 | rt_act->_sa_handler = oact._sa_handler; | |
9020 | rt_act->sa_mask = oact.sa_mask; | |
9021 | rt_act->sa_flags = oact.sa_flags; | |
9022 | unlock_user_struct(rt_act, arg3, 1); | |
9023 | } | |
9024 | #else | |
78bfef72 PM |
9025 | #ifdef TARGET_SPARC |
9026 | target_ulong restorer = arg4; | |
9027 | target_ulong sigsetsize = arg5; | |
9028 | #else | |
9029 | target_ulong sigsetsize = arg4; | |
9030 | #endif | |
53a5960a PB |
9031 | struct target_sigaction *act; |
9032 | struct target_sigaction *oact; | |
9033 | ||
78bfef72 | 9034 | if (sigsetsize != sizeof(target_sigset_t)) { |
c815701e PM |
9035 | ret = -TARGET_EINVAL; |
9036 | break; | |
9037 | } | |
579a97f7 | 9038 | if (arg2) { |
78bfef72 | 9039 | if (!lock_user_struct(VERIFY_READ, act, arg2, 1)) { |
579a97f7 | 9040 | goto efault; |
78bfef72 | 9041 | } |
5de154e8 LV |
9042 | #ifdef TARGET_ARCH_HAS_KA_RESTORER |
9043 | act->ka_restorer = restorer; | |
78bfef72 PM |
9044 | #endif |
9045 | } else { | |
53a5960a | 9046 | act = NULL; |
78bfef72 | 9047 | } |
579a97f7 FB |
9048 | if (arg3) { |
9049 | if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) { | |
9050 | ret = -TARGET_EFAULT; | |
9051 | goto rt_sigaction_fail; | |
9052 | } | |
9053 | } else | |
53a5960a PB |
9054 | oact = NULL; |
9055 | ret = get_errno(do_sigaction(arg1, act, oact)); | |
579a97f7 FB |
9056 | rt_sigaction_fail: |
9057 | if (act) | |
53a5960a | 9058 | unlock_user_struct(act, arg2, 0); |
579a97f7 | 9059 | if (oact) |
53a5960a | 9060 | unlock_user_struct(oact, arg3, 1); |
6049f4f8 | 9061 | #endif |
53a5960a | 9062 | } |
66fb9763 | 9063 | break; |
7a3148a9 | 9064 | #ifdef TARGET_NR_sgetmask /* not on alpha */ |
31e31b8a | 9065 | case TARGET_NR_sgetmask: |
66fb9763 FB |
9066 | { |
9067 | sigset_t cur_set; | |
992f48a0 | 9068 | abi_ulong target_set; |
3d3efba0 PM |
9069 | ret = do_sigprocmask(0, NULL, &cur_set); |
9070 | if (!ret) { | |
9071 | host_to_target_old_sigset(&target_set, &cur_set); | |
9072 | ret = target_set; | |
9073 | } | |
66fb9763 FB |
9074 | } |
9075 | break; | |
7a3148a9 JM |
9076 | #endif |
9077 | #ifdef TARGET_NR_ssetmask /* not on alpha */ | |
31e31b8a | 9078 | case TARGET_NR_ssetmask: |
66fb9763 | 9079 | { |
a8617d8c | 9080 | sigset_t set, oset; |
992f48a0 | 9081 | abi_ulong target_set = arg1; |
66fb9763 | 9082 | target_to_host_old_sigset(&set, &target_set); |
3d3efba0 PM |
9083 | ret = do_sigprocmask(SIG_SETMASK, &set, &oset); |
9084 | if (!ret) { | |
9085 | host_to_target_old_sigset(&target_set, &oset); | |
9086 | ret = target_set; | |
9087 | } | |
66fb9763 FB |
9088 | } |
9089 | break; | |
7a3148a9 | 9090 | #endif |
e5febef5 | 9091 | #ifdef TARGET_NR_sigprocmask |
66fb9763 FB |
9092 | case TARGET_NR_sigprocmask: |
9093 | { | |
a5b3b13b RH |
9094 | #if defined(TARGET_ALPHA) |
9095 | sigset_t set, oldset; | |
9096 | abi_ulong mask; | |
9097 | int how; | |
9098 | ||
9099 | switch (arg1) { | |
9100 | case TARGET_SIG_BLOCK: | |
9101 | how = SIG_BLOCK; | |
9102 | break; | |
9103 | case TARGET_SIG_UNBLOCK: | |
9104 | how = SIG_UNBLOCK; | |
9105 | break; | |
9106 | case TARGET_SIG_SETMASK: | |
9107 | how = SIG_SETMASK; | |
9108 | break; | |
9109 | default: | |
9110 | ret = -TARGET_EINVAL; | |
9111 | goto fail; | |
9112 | } | |
9113 | mask = arg2; | |
9114 | target_to_host_old_sigset(&set, &mask); | |
9115 | ||
3d3efba0 | 9116 | ret = do_sigprocmask(how, &set, &oldset); |
a5b3b13b RH |
9117 | if (!is_error(ret)) { |
9118 | host_to_target_old_sigset(&mask, &oldset); | |
9119 | ret = mask; | |
0229f5a3 | 9120 | ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; /* force no error */ |
a5b3b13b RH |
9121 | } |
9122 | #else | |
66fb9763 | 9123 | sigset_t set, oldset, *set_ptr; |
a5b3b13b | 9124 | int how; |
3b46e624 | 9125 | |
53a5960a | 9126 | if (arg2) { |
a5b3b13b | 9127 | switch (arg1) { |
66fb9763 FB |
9128 | case TARGET_SIG_BLOCK: |
9129 | how = SIG_BLOCK; | |
9130 | break; | |
9131 | case TARGET_SIG_UNBLOCK: | |
9132 | how = SIG_UNBLOCK; | |
9133 | break; | |
9134 | case TARGET_SIG_SETMASK: | |
9135 | how = SIG_SETMASK; | |
9136 | break; | |
9137 | default: | |
0da46a6e | 9138 | ret = -TARGET_EINVAL; |
66fb9763 FB |
9139 | goto fail; |
9140 | } | |
c227f099 | 9141 | if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
579a97f7 | 9142 | goto efault; |
53a5960a PB |
9143 | target_to_host_old_sigset(&set, p); |
9144 | unlock_user(p, arg2, 0); | |
66fb9763 FB |
9145 | set_ptr = &set; |
9146 | } else { | |
9147 | how = 0; | |
9148 | set_ptr = NULL; | |
9149 | } | |
3d3efba0 | 9150 | ret = do_sigprocmask(how, set_ptr, &oldset); |
53a5960a | 9151 | if (!is_error(ret) && arg3) { |
c227f099 | 9152 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
579a97f7 | 9153 | goto efault; |
53a5960a | 9154 | host_to_target_old_sigset(p, &oldset); |
c227f099 | 9155 | unlock_user(p, arg3, sizeof(target_sigset_t)); |
66fb9763 | 9156 | } |
a5b3b13b | 9157 | #endif |
66fb9763 FB |
9158 | } |
9159 | break; | |
e5febef5 | 9160 | #endif |
66fb9763 FB |
9161 | case TARGET_NR_rt_sigprocmask: |
9162 | { | |
9163 | int how = arg1; | |
9164 | sigset_t set, oldset, *set_ptr; | |
3b46e624 | 9165 | |
c815701e PM |
9166 | if (arg4 != sizeof(target_sigset_t)) { |
9167 | ret = -TARGET_EINVAL; | |
9168 | break; | |
9169 | } | |
9170 | ||
53a5960a | 9171 | if (arg2) { |
66fb9763 FB |
9172 | switch(how) { |
9173 | case TARGET_SIG_BLOCK: | |
9174 | how = SIG_BLOCK; | |
9175 | break; | |
9176 | case TARGET_SIG_UNBLOCK: | |
9177 | how = SIG_UNBLOCK; | |
9178 | break; | |
9179 | case TARGET_SIG_SETMASK: | |
9180 | how = SIG_SETMASK; | |
9181 | break; | |
9182 | default: | |
0da46a6e | 9183 | ret = -TARGET_EINVAL; |
66fb9763 FB |
9184 | goto fail; |
9185 | } | |
c227f099 | 9186 | if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
579a97f7 | 9187 | goto efault; |
53a5960a PB |
9188 | target_to_host_sigset(&set, p); |
9189 | unlock_user(p, arg2, 0); | |
66fb9763 FB |
9190 | set_ptr = &set; |
9191 | } else { | |
9192 | how = 0; | |
9193 | set_ptr = NULL; | |
9194 | } | |
3d3efba0 | 9195 | ret = do_sigprocmask(how, set_ptr, &oldset); |
53a5960a | 9196 | if (!is_error(ret) && arg3) { |
c227f099 | 9197 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
579a97f7 | 9198 | goto efault; |
53a5960a | 9199 | host_to_target_sigset(p, &oldset); |
c227f099 | 9200 | unlock_user(p, arg3, sizeof(target_sigset_t)); |
66fb9763 FB |
9201 | } |
9202 | } | |
9203 | break; | |
e5febef5 | 9204 | #ifdef TARGET_NR_sigpending |
66fb9763 FB |
9205 | case TARGET_NR_sigpending: |
9206 | { | |
9207 | sigset_t set; | |
9208 | ret = get_errno(sigpending(&set)); | |
9209 | if (!is_error(ret)) { | |
c227f099 | 9210 | if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
579a97f7 | 9211 | goto efault; |
53a5960a | 9212 | host_to_target_old_sigset(p, &set); |
c227f099 | 9213 | unlock_user(p, arg1, sizeof(target_sigset_t)); |
66fb9763 FB |
9214 | } |
9215 | } | |
9216 | break; | |
e5febef5 | 9217 | #endif |
66fb9763 FB |
9218 | case TARGET_NR_rt_sigpending: |
9219 | { | |
9220 | sigset_t set; | |
c815701e PM |
9221 | |
9222 | /* Yes, this check is >, not != like most. We follow the kernel's | |
9223 | * logic and it does it like this because it implements | |
9224 | * NR_sigpending through the same code path, and in that case | |
9225 | * the old_sigset_t is smaller in size. | |
9226 | */ | |
9227 | if (arg2 > sizeof(target_sigset_t)) { | |
9228 | ret = -TARGET_EINVAL; | |
9229 | break; | |
9230 | } | |
9231 | ||
66fb9763 FB |
9232 | ret = get_errno(sigpending(&set)); |
9233 | if (!is_error(ret)) { | |
c227f099 | 9234 | if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
579a97f7 | 9235 | goto efault; |
53a5960a | 9236 | host_to_target_sigset(p, &set); |
c227f099 | 9237 | unlock_user(p, arg1, sizeof(target_sigset_t)); |
66fb9763 FB |
9238 | } |
9239 | } | |
9240 | break; | |
e5febef5 | 9241 | #ifdef TARGET_NR_sigsuspend |
66fb9763 FB |
9242 | case TARGET_NR_sigsuspend: |
9243 | { | |
3d3efba0 | 9244 | TaskState *ts = cpu->opaque; |
f43ce12b RH |
9245 | #if defined(TARGET_ALPHA) |
9246 | abi_ulong mask = arg1; | |
3d3efba0 | 9247 | target_to_host_old_sigset(&ts->sigsuspend_mask, &mask); |
f43ce12b | 9248 | #else |
c227f099 | 9249 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
579a97f7 | 9250 | goto efault; |
3d3efba0 | 9251 | target_to_host_old_sigset(&ts->sigsuspend_mask, p); |
53a5960a | 9252 | unlock_user(p, arg1, 0); |
f43ce12b | 9253 | #endif |
3d3efba0 PM |
9254 | ret = get_errno(safe_rt_sigsuspend(&ts->sigsuspend_mask, |
9255 | SIGSET_T_SIZE)); | |
9256 | if (ret != -TARGET_ERESTARTSYS) { | |
9257 | ts->in_sigsuspend = 1; | |
9258 | } | |
66fb9763 FB |
9259 | } |
9260 | break; | |
e5febef5 | 9261 | #endif |
66fb9763 FB |
9262 | case TARGET_NR_rt_sigsuspend: |
9263 | { | |
3d3efba0 | 9264 | TaskState *ts = cpu->opaque; |
c815701e PM |
9265 | |
9266 | if (arg2 != sizeof(target_sigset_t)) { | |
9267 | ret = -TARGET_EINVAL; | |
9268 | break; | |
9269 | } | |
c227f099 | 9270 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
579a97f7 | 9271 | goto efault; |
3d3efba0 | 9272 | target_to_host_sigset(&ts->sigsuspend_mask, p); |
53a5960a | 9273 | unlock_user(p, arg1, 0); |
3d3efba0 PM |
9274 | ret = get_errno(safe_rt_sigsuspend(&ts->sigsuspend_mask, |
9275 | SIGSET_T_SIZE)); | |
9276 | if (ret != -TARGET_ERESTARTSYS) { | |
9277 | ts->in_sigsuspend = 1; | |
9278 | } | |
66fb9763 FB |
9279 | } |
9280 | break; | |
9281 | case TARGET_NR_rt_sigtimedwait: | |
9282 | { | |
66fb9763 FB |
9283 | sigset_t set; |
9284 | struct timespec uts, *puts; | |
9285 | siginfo_t uinfo; | |
3b46e624 | 9286 | |
c815701e PM |
9287 | if (arg4 != sizeof(target_sigset_t)) { |
9288 | ret = -TARGET_EINVAL; | |
9289 | break; | |
9290 | } | |
9291 | ||
c227f099 | 9292 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
579a97f7 | 9293 | goto efault; |
53a5960a PB |
9294 | target_to_host_sigset(&set, p); |
9295 | unlock_user(p, arg1, 0); | |
9296 | if (arg3) { | |
66fb9763 | 9297 | puts = &uts; |
53a5960a | 9298 | target_to_host_timespec(puts, arg3); |
66fb9763 FB |
9299 | } else { |
9300 | puts = NULL; | |
9301 | } | |
b3f82330 PM |
9302 | ret = get_errno(safe_rt_sigtimedwait(&set, &uinfo, puts, |
9303 | SIGSET_T_SIZE)); | |
974a196d PJ |
9304 | if (!is_error(ret)) { |
9305 | if (arg2) { | |
9306 | p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), | |
9307 | 0); | |
9308 | if (!p) { | |
9309 | goto efault; | |
9310 | } | |
9311 | host_to_target_siginfo(p, &uinfo); | |
9312 | unlock_user(p, arg2, sizeof(target_siginfo_t)); | |
9313 | } | |
9314 | ret = host_to_target_signal(ret); | |
66fb9763 FB |
9315 | } |
9316 | } | |
9317 | break; | |
9318 | case TARGET_NR_rt_sigqueueinfo: | |
9319 | { | |
9320 | siginfo_t uinfo; | |
4debae6f PM |
9321 | |
9322 | p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1); | |
9323 | if (!p) { | |
579a97f7 | 9324 | goto efault; |
4debae6f | 9325 | } |
53a5960a | 9326 | target_to_host_siginfo(&uinfo, p); |
d8b6d892 | 9327 | unlock_user(p, arg3, 0); |
66fb9763 FB |
9328 | ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); |
9329 | } | |
9330 | break; | |
cf8b8bfc MS |
9331 | case TARGET_NR_rt_tgsigqueueinfo: |
9332 | { | |
9333 | siginfo_t uinfo; | |
9334 | ||
9335 | p = lock_user(VERIFY_READ, arg4, sizeof(target_siginfo_t), 1); | |
9336 | if (!p) { | |
9337 | goto efault; | |
9338 | } | |
9339 | target_to_host_siginfo(&uinfo, p); | |
9340 | unlock_user(p, arg4, 0); | |
9341 | ret = get_errno(sys_rt_tgsigqueueinfo(arg1, arg2, arg3, &uinfo)); | |
9342 | } | |
9343 | break; | |
e5febef5 | 9344 | #ifdef TARGET_NR_sigreturn |
66fb9763 | 9345 | case TARGET_NR_sigreturn: |
3d3efba0 PM |
9346 | if (block_signals()) { |
9347 | ret = -TARGET_ERESTARTSYS; | |
9348 | } else { | |
9349 | ret = do_sigreturn(cpu_env); | |
9350 | } | |
66fb9763 | 9351 | break; |
e5febef5 | 9352 | #endif |
66fb9763 | 9353 | case TARGET_NR_rt_sigreturn: |
3d3efba0 PM |
9354 | if (block_signals()) { |
9355 | ret = -TARGET_ERESTARTSYS; | |
9356 | } else { | |
9357 | ret = do_rt_sigreturn(cpu_env); | |
9358 | } | |
66fb9763 | 9359 | break; |
31e31b8a | 9360 | case TARGET_NR_sethostname: |
579a97f7 FB |
9361 | if (!(p = lock_user_string(arg1))) |
9362 | goto efault; | |
53a5960a PB |
9363 | ret = get_errno(sethostname(p, arg2)); |
9364 | unlock_user(p, arg1, 0); | |
31e31b8a | 9365 | break; |
4f7f8924 | 9366 | #ifdef TARGET_NR_setrlimit |
31e31b8a | 9367 | case TARGET_NR_setrlimit: |
9de5e440 | 9368 | { |
e22b7015 | 9369 | int resource = target_to_host_resource(arg1); |
53a5960a | 9370 | struct target_rlimit *target_rlim; |
9de5e440 | 9371 | struct rlimit rlim; |
579a97f7 FB |
9372 | if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1)) |
9373 | goto efault; | |
81bbe906 TY |
9374 | rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur); |
9375 | rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max); | |
53a5960a | 9376 | unlock_user_struct(target_rlim, arg2, 0); |
9de5e440 FB |
9377 | ret = get_errno(setrlimit(resource, &rlim)); |
9378 | } | |
9379 | break; | |
4f7f8924 AR |
9380 | #endif |
9381 | #ifdef TARGET_NR_getrlimit | |
31e31b8a | 9382 | case TARGET_NR_getrlimit: |
9de5e440 | 9383 | { |
e22b7015 | 9384 | int resource = target_to_host_resource(arg1); |
53a5960a | 9385 | struct target_rlimit *target_rlim; |
9de5e440 | 9386 | struct rlimit rlim; |
3b46e624 | 9387 | |
9de5e440 FB |
9388 | ret = get_errno(getrlimit(resource, &rlim)); |
9389 | if (!is_error(ret)) { | |
579a97f7 FB |
9390 | if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
9391 | goto efault; | |
81bbe906 TY |
9392 | target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); |
9393 | target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); | |
53a5960a | 9394 | unlock_user_struct(target_rlim, arg2, 1); |
9de5e440 FB |
9395 | } |
9396 | } | |
9397 | break; | |
4f7f8924 | 9398 | #endif |
31e31b8a | 9399 | case TARGET_NR_getrusage: |
b409186b FB |
9400 | { |
9401 | struct rusage rusage; | |
b409186b FB |
9402 | ret = get_errno(getrusage(arg1, &rusage)); |
9403 | if (!is_error(ret)) { | |
a39fb273 | 9404 | ret = host_to_target_rusage(arg2, &rusage); |
b409186b FB |
9405 | } |
9406 | } | |
9407 | break; | |
31e31b8a FB |
9408 | case TARGET_NR_gettimeofday: |
9409 | { | |
31e31b8a FB |
9410 | struct timeval tv; |
9411 | ret = get_errno(gettimeofday(&tv, NULL)); | |
9412 | if (!is_error(ret)) { | |
788f5ec4 TS |
9413 | if (copy_to_user_timeval(arg1, &tv)) |
9414 | goto efault; | |
31e31b8a FB |
9415 | } |
9416 | } | |
9417 | break; | |
9418 | case TARGET_NR_settimeofday: | |
9419 | { | |
b67d8031 | 9420 | struct timeval tv, *ptv = NULL; |
ef4467e9 PB |
9421 | struct timezone tz, *ptz = NULL; |
9422 | ||
b67d8031 PB |
9423 | if (arg1) { |
9424 | if (copy_from_user_timeval(&tv, arg1)) { | |
9425 | goto efault; | |
9426 | } | |
9427 | ptv = &tv; | |
9428 | } | |
ef4467e9 PB |
9429 | |
9430 | if (arg2) { | |
9431 | if (copy_from_user_timezone(&tz, arg2)) { | |
9432 | goto efault; | |
9433 | } | |
9434 | ptz = &tz; | |
9435 | } | |
9436 | ||
b67d8031 | 9437 | ret = get_errno(settimeofday(ptv, ptz)); |
31e31b8a FB |
9438 | } |
9439 | break; | |
9468a5d4 | 9440 | #if defined(TARGET_NR_select) |
31e31b8a | 9441 | case TARGET_NR_select: |
5457dc9e LV |
9442 | #if defined(TARGET_WANT_NI_OLD_SELECT) |
9443 | /* some architectures used to have old_select here | |
9444 | * but now ENOSYS it. | |
9445 | */ | |
9446 | ret = -TARGET_ENOSYS; | |
9447 | #elif defined(TARGET_WANT_OLD_SYS_SELECT) | |
9448 | ret = do_old_select(arg1); | |
9468a5d4 | 9449 | #else |
5457dc9e | 9450 | ret = do_select(arg1, arg2, arg3, arg4, arg5); |
9468a5d4 | 9451 | #endif |
f2674e31 | 9452 | break; |
9e42382f RV |
9453 | #endif |
9454 | #ifdef TARGET_NR_pselect6 | |
9455 | case TARGET_NR_pselect6: | |
055e0906 MF |
9456 | { |
9457 | abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr; | |
9458 | fd_set rfds, wfds, efds; | |
9459 | fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; | |
9460 | struct timespec ts, *ts_ptr; | |
9461 | ||
9462 | /* | |
9463 | * The 6th arg is actually two args smashed together, | |
9464 | * so we cannot use the C library. | |
9465 | */ | |
9466 | sigset_t set; | |
9467 | struct { | |
9468 | sigset_t *set; | |
9469 | size_t size; | |
9470 | } sig, *sig_ptr; | |
9471 | ||
9472 | abi_ulong arg_sigset, arg_sigsize, *arg7; | |
9473 | target_sigset_t *target_sigset; | |
9474 | ||
9475 | n = arg1; | |
9476 | rfd_addr = arg2; | |
9477 | wfd_addr = arg3; | |
9478 | efd_addr = arg4; | |
9479 | ts_addr = arg5; | |
9480 | ||
9481 | ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); | |
9482 | if (ret) { | |
9483 | goto fail; | |
9484 | } | |
9485 | ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); | |
9486 | if (ret) { | |
9487 | goto fail; | |
9488 | } | |
9489 | ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); | |
9490 | if (ret) { | |
9491 | goto fail; | |
9492 | } | |
9493 | ||
9494 | /* | |
9495 | * This takes a timespec, and not a timeval, so we cannot | |
9496 | * use the do_select() helper ... | |
9497 | */ | |
9498 | if (ts_addr) { | |
9499 | if (target_to_host_timespec(&ts, ts_addr)) { | |
9500 | goto efault; | |
9501 | } | |
9502 | ts_ptr = &ts; | |
9503 | } else { | |
9504 | ts_ptr = NULL; | |
9505 | } | |
9506 | ||
9507 | /* Extract the two packed args for the sigset */ | |
9508 | if (arg6) { | |
9509 | sig_ptr = &sig; | |
b28a1f33 | 9510 | sig.size = SIGSET_T_SIZE; |
055e0906 MF |
9511 | |
9512 | arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1); | |
9513 | if (!arg7) { | |
9514 | goto efault; | |
9515 | } | |
cbb21eed MB |
9516 | arg_sigset = tswapal(arg7[0]); |
9517 | arg_sigsize = tswapal(arg7[1]); | |
055e0906 MF |
9518 | unlock_user(arg7, arg6, 0); |
9519 | ||
9520 | if (arg_sigset) { | |
9521 | sig.set = &set; | |
8f04eeb3 PM |
9522 | if (arg_sigsize != sizeof(*target_sigset)) { |
9523 | /* Like the kernel, we enforce correct size sigsets */ | |
9524 | ret = -TARGET_EINVAL; | |
9525 | goto fail; | |
9526 | } | |
055e0906 MF |
9527 | target_sigset = lock_user(VERIFY_READ, arg_sigset, |
9528 | sizeof(*target_sigset), 1); | |
9529 | if (!target_sigset) { | |
9530 | goto efault; | |
9531 | } | |
9532 | target_to_host_sigset(&set, target_sigset); | |
9533 | unlock_user(target_sigset, arg_sigset, 0); | |
9534 | } else { | |
9535 | sig.set = NULL; | |
9536 | } | |
9537 | } else { | |
9538 | sig_ptr = NULL; | |
9539 | } | |
9540 | ||
6df9d38d PM |
9541 | ret = get_errno(safe_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr, |
9542 | ts_ptr, sig_ptr)); | |
055e0906 MF |
9543 | |
9544 | if (!is_error(ret)) { | |
9545 | if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) | |
9546 | goto efault; | |
9547 | if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) | |
9548 | goto efault; | |
9549 | if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) | |
9550 | goto efault; | |
9551 | ||
9552 | if (ts_addr && host_to_target_timespec(ts_addr, &ts)) | |
9553 | goto efault; | |
9554 | } | |
9555 | } | |
9556 | break; | |
048f6b4d | 9557 | #endif |
704eff6c | 9558 | #ifdef TARGET_NR_symlink |
31e31b8a | 9559 | case TARGET_NR_symlink: |
53a5960a PB |
9560 | { |
9561 | void *p2; | |
9562 | p = lock_user_string(arg1); | |
9563 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
9564 | if (!p || !p2) |
9565 | ret = -TARGET_EFAULT; | |
9566 | else | |
9567 | ret = get_errno(symlink(p, p2)); | |
53a5960a PB |
9568 | unlock_user(p2, arg2, 0); |
9569 | unlock_user(p, arg1, 0); | |
9570 | } | |
31e31b8a | 9571 | break; |
704eff6c | 9572 | #endif |
c0d472b1 | 9573 | #if defined(TARGET_NR_symlinkat) |
f0b6243d | 9574 | case TARGET_NR_symlinkat: |
f0b6243d | 9575 | { |
579a97f7 | 9576 | void *p2; |
f0b6243d TS |
9577 | p = lock_user_string(arg1); |
9578 | p2 = lock_user_string(arg3); | |
579a97f7 | 9579 | if (!p || !p2) |
0da46a6e | 9580 | ret = -TARGET_EFAULT; |
f0b6243d | 9581 | else |
c0d472b1 | 9582 | ret = get_errno(symlinkat(p, arg2, p2)); |
579a97f7 FB |
9583 | unlock_user(p2, arg3, 0); |
9584 | unlock_user(p, arg1, 0); | |
f0b6243d TS |
9585 | } |
9586 | break; | |
9587 | #endif | |
ebc05488 | 9588 | #ifdef TARGET_NR_oldlstat |
31e31b8a FB |
9589 | case TARGET_NR_oldlstat: |
9590 | goto unimplemented; | |
ebc05488 | 9591 | #endif |
704eff6c | 9592 | #ifdef TARGET_NR_readlink |
31e31b8a | 9593 | case TARGET_NR_readlink: |
53a5960a | 9594 | { |
463d8e73 | 9595 | void *p2; |
53a5960a | 9596 | p = lock_user_string(arg1); |
579a97f7 | 9597 | p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0); |
463d8e73 | 9598 | if (!p || !p2) { |
579a97f7 | 9599 | ret = -TARGET_EFAULT; |
f17f4989 MF |
9600 | } else if (!arg3) { |
9601 | /* Short circuit this for the magic exe check. */ | |
9602 | ret = -TARGET_EINVAL; | |
463d8e73 AS |
9603 | } else if (is_proc_myself((const char *)p, "exe")) { |
9604 | char real[PATH_MAX], *temp; | |
9605 | temp = realpath(exec_path, real); | |
f17f4989 MF |
9606 | /* Return value is # of bytes that we wrote to the buffer. */ |
9607 | if (temp == NULL) { | |
9608 | ret = get_errno(-1); | |
9609 | } else { | |
9610 | /* Don't worry about sign mismatch as earlier mapping | |
9611 | * logic would have thrown a bad address error. */ | |
9612 | ret = MIN(strlen(real), arg3); | |
9613 | /* We cannot NUL terminate the string. */ | |
9614 | memcpy(p2, real, ret); | |
9615 | } | |
463d8e73 AS |
9616 | } else { |
9617 | ret = get_errno(readlink(path(p), p2, arg3)); | |
d088d664 | 9618 | } |
53a5960a PB |
9619 | unlock_user(p2, arg2, ret); |
9620 | unlock_user(p, arg1, 0); | |
9621 | } | |
31e31b8a | 9622 | break; |
704eff6c | 9623 | #endif |
c0d472b1 | 9624 | #if defined(TARGET_NR_readlinkat) |
5e0ccb18 | 9625 | case TARGET_NR_readlinkat: |
5e0ccb18 | 9626 | { |
579a97f7 | 9627 | void *p2; |
5e0ccb18 | 9628 | p = lock_user_string(arg2); |
579a97f7 | 9629 | p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0); |
463d8e73 AS |
9630 | if (!p || !p2) { |
9631 | ret = -TARGET_EFAULT; | |
9632 | } else if (is_proc_myself((const char *)p, "exe")) { | |
9633 | char real[PATH_MAX], *temp; | |
9634 | temp = realpath(exec_path, real); | |
9635 | ret = temp == NULL ? get_errno(-1) : strlen(real) ; | |
9636 | snprintf((char *)p2, arg4, "%s", real); | |
9637 | } else { | |
c0d472b1 | 9638 | ret = get_errno(readlinkat(arg1, path(p), p2, arg4)); |
463d8e73 | 9639 | } |
579a97f7 FB |
9640 | unlock_user(p2, arg3, ret); |
9641 | unlock_user(p, arg2, 0); | |
5e0ccb18 TS |
9642 | } |
9643 | break; | |
9644 | #endif | |
e5febef5 | 9645 | #ifdef TARGET_NR_uselib |
31e31b8a FB |
9646 | case TARGET_NR_uselib: |
9647 | goto unimplemented; | |
e5febef5 TS |
9648 | #endif |
9649 | #ifdef TARGET_NR_swapon | |
31e31b8a | 9650 | case TARGET_NR_swapon: |
579a97f7 FB |
9651 | if (!(p = lock_user_string(arg1))) |
9652 | goto efault; | |
53a5960a PB |
9653 | ret = get_errno(swapon(p, arg2)); |
9654 | unlock_user(p, arg1, 0); | |
31e31b8a | 9655 | break; |
e5febef5 | 9656 | #endif |
31e31b8a | 9657 | case TARGET_NR_reboot: |
c07ecc68 LV |
9658 | if (arg3 == LINUX_REBOOT_CMD_RESTART2) { |
9659 | /* arg4 must be ignored in all other cases */ | |
9660 | p = lock_user_string(arg4); | |
9661 | if (!p) { | |
9662 | goto efault; | |
9663 | } | |
9664 | ret = get_errno(reboot(arg1, arg2, arg3, p)); | |
9665 | unlock_user(p, arg4, 0); | |
9666 | } else { | |
9667 | ret = get_errno(reboot(arg1, arg2, arg3, NULL)); | |
9668 | } | |
0f6b4d21 | 9669 | break; |
e5febef5 | 9670 | #ifdef TARGET_NR_readdir |
31e31b8a FB |
9671 | case TARGET_NR_readdir: |
9672 | goto unimplemented; | |
e5febef5 TS |
9673 | #endif |
9674 | #ifdef TARGET_NR_mmap | |
31e31b8a | 9675 | case TARGET_NR_mmap: |
09701199 AG |
9676 | #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || \ |
9677 | (defined(TARGET_ARM) && defined(TARGET_ABI32)) || \ | |
a4c075f1 UH |
9678 | defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \ |
9679 | || defined(TARGET_S390X) | |
31e31b8a | 9680 | { |
992f48a0 BS |
9681 | abi_ulong *v; |
9682 | abi_ulong v1, v2, v3, v4, v5, v6; | |
579a97f7 FB |
9683 | if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1))) |
9684 | goto efault; | |
cbb21eed MB |
9685 | v1 = tswapal(v[0]); |
9686 | v2 = tswapal(v[1]); | |
9687 | v3 = tswapal(v[2]); | |
9688 | v4 = tswapal(v[3]); | |
9689 | v5 = tswapal(v[4]); | |
9690 | v6 = tswapal(v[5]); | |
53a5960a | 9691 | unlock_user(v, arg1, 0); |
5fafdf24 | 9692 | ret = get_errno(target_mmap(v1, v2, v3, |
5286db75 FB |
9693 | target_to_host_bitmask(v4, mmap_flags_tbl), |
9694 | v5, v6)); | |
31e31b8a | 9695 | } |
31e31b8a | 9696 | #else |
5fafdf24 TS |
9697 | ret = get_errno(target_mmap(arg1, arg2, arg3, |
9698 | target_to_host_bitmask(arg4, mmap_flags_tbl), | |
6fb883e8 FB |
9699 | arg5, |
9700 | arg6)); | |
31e31b8a | 9701 | #endif |
6fb883e8 | 9702 | break; |
e5febef5 | 9703 | #endif |
a315a145 | 9704 | #ifdef TARGET_NR_mmap2 |
6fb883e8 | 9705 | case TARGET_NR_mmap2: |
bb7ec043 | 9706 | #ifndef MMAP_SHIFT |
c573ff67 | 9707 | #define MMAP_SHIFT 12 |
c573ff67 | 9708 | #endif |
5fafdf24 TS |
9709 | ret = get_errno(target_mmap(arg1, arg2, arg3, |
9710 | target_to_host_bitmask(arg4, mmap_flags_tbl), | |
5286db75 | 9711 | arg5, |
c573ff67 | 9712 | arg6 << MMAP_SHIFT)); |
31e31b8a | 9713 | break; |
a315a145 | 9714 | #endif |
31e31b8a | 9715 | case TARGET_NR_munmap: |
54936004 | 9716 | ret = get_errno(target_munmap(arg1, arg2)); |
31e31b8a | 9717 | break; |
9de5e440 | 9718 | case TARGET_NR_mprotect: |
97374d38 | 9719 | { |
0429a971 | 9720 | TaskState *ts = cpu->opaque; |
97374d38 PB |
9721 | /* Special hack to detect libc making the stack executable. */ |
9722 | if ((arg3 & PROT_GROWSDOWN) | |
9723 | && arg1 >= ts->info->stack_limit | |
9724 | && arg1 <= ts->info->start_stack) { | |
9725 | arg3 &= ~PROT_GROWSDOWN; | |
9726 | arg2 = arg2 + arg1 - ts->info->stack_limit; | |
9727 | arg1 = ts->info->stack_limit; | |
9728 | } | |
9729 | } | |
54936004 | 9730 | ret = get_errno(target_mprotect(arg1, arg2, arg3)); |
9de5e440 | 9731 | break; |
e5febef5 | 9732 | #ifdef TARGET_NR_mremap |
9de5e440 | 9733 | case TARGET_NR_mremap: |
54936004 | 9734 | ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); |
9de5e440 | 9735 | break; |
e5febef5 | 9736 | #endif |
53a5960a | 9737 | /* ??? msync/mlock/munlock are broken for softmmu. */ |
e5febef5 | 9738 | #ifdef TARGET_NR_msync |
9de5e440 | 9739 | case TARGET_NR_msync: |
53a5960a | 9740 | ret = get_errno(msync(g2h(arg1), arg2, arg3)); |
9de5e440 | 9741 | break; |
e5febef5 TS |
9742 | #endif |
9743 | #ifdef TARGET_NR_mlock | |
9de5e440 | 9744 | case TARGET_NR_mlock: |
53a5960a | 9745 | ret = get_errno(mlock(g2h(arg1), arg2)); |
9de5e440 | 9746 | break; |
e5febef5 TS |
9747 | #endif |
9748 | #ifdef TARGET_NR_munlock | |
9de5e440 | 9749 | case TARGET_NR_munlock: |
53a5960a | 9750 | ret = get_errno(munlock(g2h(arg1), arg2)); |
9de5e440 | 9751 | break; |
e5febef5 TS |
9752 | #endif |
9753 | #ifdef TARGET_NR_mlockall | |
9de5e440 | 9754 | case TARGET_NR_mlockall: |
6f6a4032 | 9755 | ret = get_errno(mlockall(target_to_host_mlockall_arg(arg1))); |
9de5e440 | 9756 | break; |
e5febef5 TS |
9757 | #endif |
9758 | #ifdef TARGET_NR_munlockall | |
9de5e440 FB |
9759 | case TARGET_NR_munlockall: |
9760 | ret = get_errno(munlockall()); | |
9761 | break; | |
e5febef5 | 9762 | #endif |
4f7f8924 | 9763 | #ifdef TARGET_NR_truncate |
31e31b8a | 9764 | case TARGET_NR_truncate: |
579a97f7 FB |
9765 | if (!(p = lock_user_string(arg1))) |
9766 | goto efault; | |
53a5960a PB |
9767 | ret = get_errno(truncate(p, arg2)); |
9768 | unlock_user(p, arg1, 0); | |
31e31b8a | 9769 | break; |
4f7f8924 AR |
9770 | #endif |
9771 | #ifdef TARGET_NR_ftruncate | |
31e31b8a FB |
9772 | case TARGET_NR_ftruncate: |
9773 | ret = get_errno(ftruncate(arg1, arg2)); | |
9774 | break; | |
4f7f8924 | 9775 | #endif |
31e31b8a FB |
9776 | case TARGET_NR_fchmod: |
9777 | ret = get_errno(fchmod(arg1, arg2)); | |
9778 | break; | |
c0d472b1 | 9779 | #if defined(TARGET_NR_fchmodat) |
814d7977 | 9780 | case TARGET_NR_fchmodat: |
579a97f7 FB |
9781 | if (!(p = lock_user_string(arg2))) |
9782 | goto efault; | |
c0d472b1 | 9783 | ret = get_errno(fchmodat(arg1, p, arg3, 0)); |
579a97f7 | 9784 | unlock_user(p, arg2, 0); |
814d7977 TS |
9785 | break; |
9786 | #endif | |
31e31b8a | 9787 | case TARGET_NR_getpriority: |
95c09828 RH |
9788 | /* Note that negative values are valid for getpriority, so we must |
9789 | differentiate based on errno settings. */ | |
9790 | errno = 0; | |
9791 | ret = getpriority(arg1, arg2); | |
9792 | if (ret == -1 && errno != 0) { | |
9793 | ret = -host_to_target_errno(errno); | |
9794 | break; | |
9795 | } | |
9796 | #ifdef TARGET_ALPHA | |
9797 | /* Return value is the unbiased priority. Signal no error. */ | |
9798 | ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; | |
9799 | #else | |
9800 | /* Return value is a biased priority to avoid negative numbers. */ | |
9801 | ret = 20 - ret; | |
9802 | #endif | |
31e31b8a FB |
9803 | break; |
9804 | case TARGET_NR_setpriority: | |
9805 | ret = get_errno(setpriority(arg1, arg2, arg3)); | |
9806 | break; | |
ebc05488 | 9807 | #ifdef TARGET_NR_profil |
31e31b8a FB |
9808 | case TARGET_NR_profil: |
9809 | goto unimplemented; | |
ebc05488 | 9810 | #endif |
4f7f8924 | 9811 | #ifdef TARGET_NR_statfs |
31e31b8a | 9812 | case TARGET_NR_statfs: |
579a97f7 FB |
9813 | if (!(p = lock_user_string(arg1))) |
9814 | goto efault; | |
53a5960a PB |
9815 | ret = get_errno(statfs(path(p), &stfs)); |
9816 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
9817 | convert_statfs: |
9818 | if (!is_error(ret)) { | |
53a5960a | 9819 | struct target_statfs *target_stfs; |
3b46e624 | 9820 | |
579a97f7 FB |
9821 | if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0)) |
9822 | goto efault; | |
9823 | __put_user(stfs.f_type, &target_stfs->f_type); | |
9824 | __put_user(stfs.f_bsize, &target_stfs->f_bsize); | |
9825 | __put_user(stfs.f_blocks, &target_stfs->f_blocks); | |
9826 | __put_user(stfs.f_bfree, &target_stfs->f_bfree); | |
9827 | __put_user(stfs.f_bavail, &target_stfs->f_bavail); | |
9828 | __put_user(stfs.f_files, &target_stfs->f_files); | |
9829 | __put_user(stfs.f_ffree, &target_stfs->f_ffree); | |
9830 | __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); | |
9831 | __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); | |
9832 | __put_user(stfs.f_namelen, &target_stfs->f_namelen); | |
229d3376 | 9833 | __put_user(stfs.f_frsize, &target_stfs->f_frsize); |
d4247ec2 SL |
9834 | #ifdef _STATFS_F_FLAGS |
9835 | __put_user(stfs.f_flags, &target_stfs->f_flags); | |
9836 | #else | |
9837 | __put_user(0, &target_stfs->f_flags); | |
9838 | #endif | |
229d3376 | 9839 | memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); |
53a5960a | 9840 | unlock_user_struct(target_stfs, arg2, 1); |
31e31b8a FB |
9841 | } |
9842 | break; | |
4f7f8924 AR |
9843 | #endif |
9844 | #ifdef TARGET_NR_fstatfs | |
31e31b8a | 9845 | case TARGET_NR_fstatfs: |
56c8f68f | 9846 | ret = get_errno(fstatfs(arg1, &stfs)); |
31e31b8a | 9847 | goto convert_statfs; |
4f7f8924 | 9848 | #endif |
56c8f68f FB |
9849 | #ifdef TARGET_NR_statfs64 |
9850 | case TARGET_NR_statfs64: | |
579a97f7 FB |
9851 | if (!(p = lock_user_string(arg1))) |
9852 | goto efault; | |
53a5960a PB |
9853 | ret = get_errno(statfs(path(p), &stfs)); |
9854 | unlock_user(p, arg1, 0); | |
56c8f68f FB |
9855 | convert_statfs64: |
9856 | if (!is_error(ret)) { | |
53a5960a | 9857 | struct target_statfs64 *target_stfs; |
3b46e624 | 9858 | |
579a97f7 FB |
9859 | if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0)) |
9860 | goto efault; | |
9861 | __put_user(stfs.f_type, &target_stfs->f_type); | |
9862 | __put_user(stfs.f_bsize, &target_stfs->f_bsize); | |
9863 | __put_user(stfs.f_blocks, &target_stfs->f_blocks); | |
9864 | __put_user(stfs.f_bfree, &target_stfs->f_bfree); | |
9865 | __put_user(stfs.f_bavail, &target_stfs->f_bavail); | |
9866 | __put_user(stfs.f_files, &target_stfs->f_files); | |
9867 | __put_user(stfs.f_ffree, &target_stfs->f_ffree); | |
9868 | __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); | |
9869 | __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); | |
9870 | __put_user(stfs.f_namelen, &target_stfs->f_namelen); | |
229d3376 AG |
9871 | __put_user(stfs.f_frsize, &target_stfs->f_frsize); |
9872 | memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); | |
579a97f7 | 9873 | unlock_user_struct(target_stfs, arg3, 1); |
56c8f68f FB |
9874 | } |
9875 | break; | |
9876 | case TARGET_NR_fstatfs64: | |
9877 | ret = get_errno(fstatfs(arg1, &stfs)); | |
9878 | goto convert_statfs64; | |
9879 | #endif | |
ebc05488 | 9880 | #ifdef TARGET_NR_ioperm |
31e31b8a FB |
9881 | case TARGET_NR_ioperm: |
9882 | goto unimplemented; | |
ebc05488 | 9883 | #endif |
e5febef5 | 9884 | #ifdef TARGET_NR_socketcall |
31e31b8a | 9885 | case TARGET_NR_socketcall: |
53a5960a | 9886 | ret = do_socketcall(arg1, arg2); |
31e31b8a | 9887 | break; |
e5febef5 | 9888 | #endif |
3532fa74 FB |
9889 | #ifdef TARGET_NR_accept |
9890 | case TARGET_NR_accept: | |
a94b4987 PM |
9891 | ret = do_accept4(arg1, arg2, arg3, 0); |
9892 | break; | |
9893 | #endif | |
9894 | #ifdef TARGET_NR_accept4 | |
9895 | case TARGET_NR_accept4: | |
a94b4987 | 9896 | ret = do_accept4(arg1, arg2, arg3, arg4); |
3532fa74 FB |
9897 | break; |
9898 | #endif | |
9899 | #ifdef TARGET_NR_bind | |
9900 | case TARGET_NR_bind: | |
9901 | ret = do_bind(arg1, arg2, arg3); | |
9902 | break; | |
9903 | #endif | |
9904 | #ifdef TARGET_NR_connect | |
9905 | case TARGET_NR_connect: | |
9906 | ret = do_connect(arg1, arg2, arg3); | |
9907 | break; | |
9908 | #endif | |
9909 | #ifdef TARGET_NR_getpeername | |
9910 | case TARGET_NR_getpeername: | |
1be9e1dc | 9911 | ret = do_getpeername(arg1, arg2, arg3); |
3532fa74 FB |
9912 | break; |
9913 | #endif | |
9914 | #ifdef TARGET_NR_getsockname | |
9915 | case TARGET_NR_getsockname: | |
1be9e1dc | 9916 | ret = do_getsockname(arg1, arg2, arg3); |
3532fa74 FB |
9917 | break; |
9918 | #endif | |
9919 | #ifdef TARGET_NR_getsockopt | |
9920 | case TARGET_NR_getsockopt: | |
9921 | ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5); | |
9922 | break; | |
9923 | #endif | |
9924 | #ifdef TARGET_NR_listen | |
9925 | case TARGET_NR_listen: | |
1be9e1dc | 9926 | ret = get_errno(listen(arg1, arg2)); |
3532fa74 FB |
9927 | break; |
9928 | #endif | |
9929 | #ifdef TARGET_NR_recv | |
9930 | case TARGET_NR_recv: | |
214201bd | 9931 | ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0); |
3532fa74 FB |
9932 | break; |
9933 | #endif | |
9934 | #ifdef TARGET_NR_recvfrom | |
9935 | case TARGET_NR_recvfrom: | |
214201bd | 9936 | ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6); |
3532fa74 FB |
9937 | break; |
9938 | #endif | |
9939 | #ifdef TARGET_NR_recvmsg | |
9940 | case TARGET_NR_recvmsg: | |
9941 | ret = do_sendrecvmsg(arg1, arg2, arg3, 0); | |
9942 | break; | |
9943 | #endif | |
9944 | #ifdef TARGET_NR_send | |
9945 | case TARGET_NR_send: | |
1be9e1dc | 9946 | ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0); |
3532fa74 FB |
9947 | break; |
9948 | #endif | |
9949 | #ifdef TARGET_NR_sendmsg | |
9950 | case TARGET_NR_sendmsg: | |
9951 | ret = do_sendrecvmsg(arg1, arg2, arg3, 1); | |
9952 | break; | |
9953 | #endif | |
f19e00d7 AG |
9954 | #ifdef TARGET_NR_sendmmsg |
9955 | case TARGET_NR_sendmmsg: | |
9956 | ret = do_sendrecvmmsg(arg1, arg2, arg3, arg4, 1); | |
9957 | break; | |
9958 | case TARGET_NR_recvmmsg: | |
9959 | ret = do_sendrecvmmsg(arg1, arg2, arg3, arg4, 0); | |
9960 | break; | |
9961 | #endif | |
3532fa74 FB |
9962 | #ifdef TARGET_NR_sendto |
9963 | case TARGET_NR_sendto: | |
1be9e1dc | 9964 | ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6); |
3532fa74 FB |
9965 | break; |
9966 | #endif | |
9967 | #ifdef TARGET_NR_shutdown | |
9968 | case TARGET_NR_shutdown: | |
1be9e1dc | 9969 | ret = get_errno(shutdown(arg1, arg2)); |
3532fa74 FB |
9970 | break; |
9971 | #endif | |
f894efd1 LV |
9972 | #if defined(TARGET_NR_getrandom) && defined(__NR_getrandom) |
9973 | case TARGET_NR_getrandom: | |
9974 | p = lock_user(VERIFY_WRITE, arg1, arg2, 0); | |
9975 | if (!p) { | |
9976 | goto efault; | |
9977 | } | |
9978 | ret = get_errno(getrandom(p, arg2, arg3)); | |
9979 | unlock_user(p, arg1, ret); | |
9980 | break; | |
9981 | #endif | |
3532fa74 FB |
9982 | #ifdef TARGET_NR_socket |
9983 | case TARGET_NR_socket: | |
9984 | ret = do_socket(arg1, arg2, arg3); | |
9985 | break; | |
9986 | #endif | |
9987 | #ifdef TARGET_NR_socketpair | |
9988 | case TARGET_NR_socketpair: | |
1be9e1dc | 9989 | ret = do_socketpair(arg1, arg2, arg3, arg4); |
3532fa74 FB |
9990 | break; |
9991 | #endif | |
9992 | #ifdef TARGET_NR_setsockopt | |
9993 | case TARGET_NR_setsockopt: | |
9994 | ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5); | |
9995 | break; | |
9996 | #endif | |
da2c8ad7 | 9997 | #if defined(TARGET_NR_syslog) |
31e31b8a | 9998 | case TARGET_NR_syslog: |
da2c8ad7 AM |
9999 | { |
10000 | int len = arg2; | |
7494b0f9 | 10001 | |
da2c8ad7 AM |
10002 | switch (arg1) { |
10003 | case TARGET_SYSLOG_ACTION_CLOSE: /* Close log */ | |
10004 | case TARGET_SYSLOG_ACTION_OPEN: /* Open log */ | |
10005 | case TARGET_SYSLOG_ACTION_CLEAR: /* Clear ring buffer */ | |
10006 | case TARGET_SYSLOG_ACTION_CONSOLE_OFF: /* Disable logging */ | |
10007 | case TARGET_SYSLOG_ACTION_CONSOLE_ON: /* Enable logging */ | |
10008 | case TARGET_SYSLOG_ACTION_CONSOLE_LEVEL: /* Set messages level */ | |
10009 | case TARGET_SYSLOG_ACTION_SIZE_UNREAD: /* Number of chars */ | |
10010 | case TARGET_SYSLOG_ACTION_SIZE_BUFFER: /* Size of the buffer */ | |
10011 | { | |
10012 | ret = get_errno(sys_syslog((int)arg1, NULL, (int)arg3)); | |
10013 | } | |
10014 | break; | |
10015 | case TARGET_SYSLOG_ACTION_READ: /* Read from log */ | |
10016 | case TARGET_SYSLOG_ACTION_READ_CLEAR: /* Read/clear msgs */ | |
10017 | case TARGET_SYSLOG_ACTION_READ_ALL: /* Read last messages */ | |
10018 | { | |
10019 | ret = -TARGET_EINVAL; | |
10020 | if (len < 0) { | |
10021 | goto fail; | |
10022 | } | |
10023 | ret = 0; | |
10024 | if (len == 0) { | |
10025 | break; | |
10026 | } | |
10027 | p = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
10028 | if (!p) { | |
10029 | ret = -TARGET_EFAULT; | |
10030 | goto fail; | |
10031 | } | |
10032 | ret = get_errno(sys_syslog((int)arg1, p, (int)arg3)); | |
10033 | unlock_user(p, arg2, arg3); | |
10034 | } | |
10035 | break; | |
10036 | default: | |
10037 | ret = -EINVAL; | |
10038 | break; | |
10039 | } | |
10040 | } | |
10041 | break; | |
10042 | #endif | |
31e31b8a | 10043 | case TARGET_NR_setitimer: |
66fb9763 | 10044 | { |
66fb9763 FB |
10045 | struct itimerval value, ovalue, *pvalue; |
10046 | ||
53a5960a | 10047 | if (arg2) { |
66fb9763 | 10048 | pvalue = &value; |
788f5ec4 TS |
10049 | if (copy_from_user_timeval(&pvalue->it_interval, arg2) |
10050 | || copy_from_user_timeval(&pvalue->it_value, | |
10051 | arg2 + sizeof(struct target_timeval))) | |
10052 | goto efault; | |
66fb9763 FB |
10053 | } else { |
10054 | pvalue = NULL; | |
10055 | } | |
10056 | ret = get_errno(setitimer(arg1, pvalue, &ovalue)); | |
53a5960a | 10057 | if (!is_error(ret) && arg3) { |
788f5ec4 TS |
10058 | if (copy_to_user_timeval(arg3, |
10059 | &ovalue.it_interval) | |
10060 | || copy_to_user_timeval(arg3 + sizeof(struct target_timeval), | |
10061 | &ovalue.it_value)) | |
10062 | goto efault; | |
66fb9763 FB |
10063 | } |
10064 | } | |
10065 | break; | |
31e31b8a | 10066 | case TARGET_NR_getitimer: |
66fb9763 | 10067 | { |
66fb9763 | 10068 | struct itimerval value; |
3b46e624 | 10069 | |
66fb9763 | 10070 | ret = get_errno(getitimer(arg1, &value)); |
53a5960a | 10071 | if (!is_error(ret) && arg2) { |
788f5ec4 TS |
10072 | if (copy_to_user_timeval(arg2, |
10073 | &value.it_interval) | |
10074 | || copy_to_user_timeval(arg2 + sizeof(struct target_timeval), | |
10075 | &value.it_value)) | |
10076 | goto efault; | |
66fb9763 FB |
10077 | } |
10078 | } | |
10079 | break; | |
704eff6c | 10080 | #ifdef TARGET_NR_stat |
31e31b8a | 10081 | case TARGET_NR_stat: |
579a97f7 FB |
10082 | if (!(p = lock_user_string(arg1))) |
10083 | goto efault; | |
53a5960a PB |
10084 | ret = get_errno(stat(path(p), &st)); |
10085 | unlock_user(p, arg1, 0); | |
31e31b8a | 10086 | goto do_stat; |
704eff6c CG |
10087 | #endif |
10088 | #ifdef TARGET_NR_lstat | |
31e31b8a | 10089 | case TARGET_NR_lstat: |
579a97f7 FB |
10090 | if (!(p = lock_user_string(arg1))) |
10091 | goto efault; | |
53a5960a PB |
10092 | ret = get_errno(lstat(path(p), &st)); |
10093 | unlock_user(p, arg1, 0); | |
31e31b8a | 10094 | goto do_stat; |
704eff6c | 10095 | #endif |
4f7f8924 | 10096 | #ifdef TARGET_NR_fstat |
31e31b8a FB |
10097 | case TARGET_NR_fstat: |
10098 | { | |
10099 | ret = get_errno(fstat(arg1, &st)); | |
704eff6c | 10100 | #if defined(TARGET_NR_stat) || defined(TARGET_NR_lstat) |
31e31b8a | 10101 | do_stat: |
704eff6c | 10102 | #endif |
31e31b8a | 10103 | if (!is_error(ret)) { |
53a5960a | 10104 | struct target_stat *target_st; |
e3584658 | 10105 | |
579a97f7 FB |
10106 | if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0)) |
10107 | goto efault; | |
12727917 | 10108 | memset(target_st, 0, sizeof(*target_st)); |
d2fd1af7 FB |
10109 | __put_user(st.st_dev, &target_st->st_dev); |
10110 | __put_user(st.st_ino, &target_st->st_ino); | |
10111 | __put_user(st.st_mode, &target_st->st_mode); | |
10112 | __put_user(st.st_uid, &target_st->st_uid); | |
10113 | __put_user(st.st_gid, &target_st->st_gid); | |
10114 | __put_user(st.st_nlink, &target_st->st_nlink); | |
10115 | __put_user(st.st_rdev, &target_st->st_rdev); | |
10116 | __put_user(st.st_size, &target_st->st_size); | |
10117 | __put_user(st.st_blksize, &target_st->st_blksize); | |
10118 | __put_user(st.st_blocks, &target_st->st_blocks); | |
10119 | __put_user(st.st_atime, &target_st->target_st_atime); | |
10120 | __put_user(st.st_mtime, &target_st->target_st_mtime); | |
10121 | __put_user(st.st_ctime, &target_st->target_st_ctime); | |
53a5960a | 10122 | unlock_user_struct(target_st, arg2, 1); |
31e31b8a FB |
10123 | } |
10124 | } | |
10125 | break; | |
4f7f8924 | 10126 | #endif |
ebc05488 | 10127 | #ifdef TARGET_NR_olduname |
31e31b8a FB |
10128 | case TARGET_NR_olduname: |
10129 | goto unimplemented; | |
ebc05488 FB |
10130 | #endif |
10131 | #ifdef TARGET_NR_iopl | |
31e31b8a FB |
10132 | case TARGET_NR_iopl: |
10133 | goto unimplemented; | |
ebc05488 | 10134 | #endif |
31e31b8a FB |
10135 | case TARGET_NR_vhangup: |
10136 | ret = get_errno(vhangup()); | |
10137 | break; | |
ebc05488 | 10138 | #ifdef TARGET_NR_idle |
31e31b8a FB |
10139 | case TARGET_NR_idle: |
10140 | goto unimplemented; | |
42ad6ae9 FB |
10141 | #endif |
10142 | #ifdef TARGET_NR_syscall | |
10143 | case TARGET_NR_syscall: | |
5945cfcb PM |
10144 | ret = do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5, |
10145 | arg6, arg7, arg8, 0); | |
10146 | break; | |
ebc05488 | 10147 | #endif |
31e31b8a FB |
10148 | case TARGET_NR_wait4: |
10149 | { | |
10150 | int status; | |
992f48a0 | 10151 | abi_long status_ptr = arg2; |
31e31b8a | 10152 | struct rusage rusage, *rusage_ptr; |
992f48a0 | 10153 | abi_ulong target_rusage = arg4; |
a39fb273 | 10154 | abi_long rusage_err; |
31e31b8a FB |
10155 | if (target_rusage) |
10156 | rusage_ptr = &rusage; | |
10157 | else | |
10158 | rusage_ptr = NULL; | |
4af80a37 | 10159 | ret = get_errno(safe_wait4(arg1, &status, arg3, rusage_ptr)); |
31e31b8a | 10160 | if (!is_error(ret)) { |
5379557b | 10161 | if (status_ptr && ret) { |
1d9d8b55 | 10162 | status = host_to_target_waitstatus(status); |
2f619698 FB |
10163 | if (put_user_s32(status, status_ptr)) |
10164 | goto efault; | |
31e31b8a | 10165 | } |
a39fb273 PJ |
10166 | if (target_rusage) { |
10167 | rusage_err = host_to_target_rusage(target_rusage, &rusage); | |
10168 | if (rusage_err) { | |
10169 | ret = rusage_err; | |
10170 | } | |
10171 | } | |
31e31b8a FB |
10172 | } |
10173 | } | |
10174 | break; | |
e5febef5 | 10175 | #ifdef TARGET_NR_swapoff |
31e31b8a | 10176 | case TARGET_NR_swapoff: |
579a97f7 FB |
10177 | if (!(p = lock_user_string(arg1))) |
10178 | goto efault; | |
53a5960a PB |
10179 | ret = get_errno(swapoff(p)); |
10180 | unlock_user(p, arg1, 0); | |
31e31b8a | 10181 | break; |
e5febef5 | 10182 | #endif |
31e31b8a | 10183 | case TARGET_NR_sysinfo: |
a5448a7d | 10184 | { |
53a5960a | 10185 | struct target_sysinfo *target_value; |
a5448a7d FB |
10186 | struct sysinfo value; |
10187 | ret = get_errno(sysinfo(&value)); | |
53a5960a | 10188 | if (!is_error(ret) && arg1) |
a5448a7d | 10189 | { |
579a97f7 FB |
10190 | if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0)) |
10191 | goto efault; | |
a5448a7d FB |
10192 | __put_user(value.uptime, &target_value->uptime); |
10193 | __put_user(value.loads[0], &target_value->loads[0]); | |
10194 | __put_user(value.loads[1], &target_value->loads[1]); | |
10195 | __put_user(value.loads[2], &target_value->loads[2]); | |
10196 | __put_user(value.totalram, &target_value->totalram); | |
10197 | __put_user(value.freeram, &target_value->freeram); | |
10198 | __put_user(value.sharedram, &target_value->sharedram); | |
10199 | __put_user(value.bufferram, &target_value->bufferram); | |
10200 | __put_user(value.totalswap, &target_value->totalswap); | |
10201 | __put_user(value.freeswap, &target_value->freeswap); | |
10202 | __put_user(value.procs, &target_value->procs); | |
10203 | __put_user(value.totalhigh, &target_value->totalhigh); | |
10204 | __put_user(value.freehigh, &target_value->freehigh); | |
10205 | __put_user(value.mem_unit, &target_value->mem_unit); | |
53a5960a | 10206 | unlock_user_struct(target_value, arg1, 1); |
a5448a7d FB |
10207 | } |
10208 | } | |
10209 | break; | |
e5febef5 | 10210 | #ifdef TARGET_NR_ipc |
31e31b8a | 10211 | case TARGET_NR_ipc: |
ee8e7614 PM |
10212 | ret = do_ipc(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); |
10213 | break; | |
e5febef5 | 10214 | #endif |
e5289087 AJ |
10215 | #ifdef TARGET_NR_semget |
10216 | case TARGET_NR_semget: | |
10217 | ret = get_errno(semget(arg1, arg2, arg3)); | |
10218 | break; | |
10219 | #endif | |
10220 | #ifdef TARGET_NR_semop | |
10221 | case TARGET_NR_semop: | |
c7128c9f | 10222 | ret = do_semop(arg1, arg2, arg3); |
e5289087 AJ |
10223 | break; |
10224 | #endif | |
10225 | #ifdef TARGET_NR_semctl | |
10226 | case TARGET_NR_semctl: | |
d1c002b6 | 10227 | ret = do_semctl(arg1, arg2, arg3, arg4); |
e5289087 AJ |
10228 | break; |
10229 | #endif | |
eeb438c1 AJ |
10230 | #ifdef TARGET_NR_msgctl |
10231 | case TARGET_NR_msgctl: | |
10232 | ret = do_msgctl(arg1, arg2, arg3); | |
10233 | break; | |
10234 | #endif | |
10235 | #ifdef TARGET_NR_msgget | |
10236 | case TARGET_NR_msgget: | |
10237 | ret = get_errno(msgget(arg1, arg2)); | |
10238 | break; | |
10239 | #endif | |
10240 | #ifdef TARGET_NR_msgrcv | |
10241 | case TARGET_NR_msgrcv: | |
10242 | ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5); | |
10243 | break; | |
10244 | #endif | |
10245 | #ifdef TARGET_NR_msgsnd | |
10246 | case TARGET_NR_msgsnd: | |
10247 | ret = do_msgsnd(arg1, arg2, arg3, arg4); | |
10248 | break; | |
88a8c984 RV |
10249 | #endif |
10250 | #ifdef TARGET_NR_shmget | |
10251 | case TARGET_NR_shmget: | |
10252 | ret = get_errno(shmget(arg1, arg2, arg3)); | |
10253 | break; | |
10254 | #endif | |
10255 | #ifdef TARGET_NR_shmctl | |
10256 | case TARGET_NR_shmctl: | |
10257 | ret = do_shmctl(arg1, arg2, arg3); | |
10258 | break; | |
10259 | #endif | |
10260 | #ifdef TARGET_NR_shmat | |
10261 | case TARGET_NR_shmat: | |
ee8e7614 | 10262 | ret = do_shmat(cpu_env, arg1, arg2, arg3); |
88a8c984 RV |
10263 | break; |
10264 | #endif | |
10265 | #ifdef TARGET_NR_shmdt | |
10266 | case TARGET_NR_shmdt: | |
10267 | ret = do_shmdt(arg1); | |
10268 | break; | |
eeb438c1 | 10269 | #endif |
31e31b8a FB |
10270 | case TARGET_NR_fsync: |
10271 | ret = get_errno(fsync(arg1)); | |
10272 | break; | |
31e31b8a | 10273 | case TARGET_NR_clone: |
4ce6243d PM |
10274 | /* Linux manages to have three different orderings for its |
10275 | * arguments to clone(); the BACKWARDS and BACKWARDS2 defines | |
10276 | * match the kernel's CONFIG_CLONE_* settings. | |
10277 | * Microblaze is further special in that it uses a sixth | |
10278 | * implicit argument to clone for the TLS pointer. | |
10279 | */ | |
10280 | #if defined(TARGET_MICROBLAZE) | |
a5b3bdcb | 10281 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg4, arg6, arg5)); |
4ce6243d PM |
10282 | #elif defined(TARGET_CLONE_BACKWARDS) |
10283 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5)); | |
10284 | #elif defined(TARGET_CLONE_BACKWARDS2) | |
a4c075f1 | 10285 | ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4)); |
0b6d3ae0 | 10286 | #else |
4ce6243d | 10287 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4)); |
0b6d3ae0 | 10288 | #endif |
1b6b029e | 10289 | break; |
ec86b0fb FB |
10290 | #ifdef __NR_exit_group |
10291 | /* new thread calls */ | |
10292 | case TARGET_NR_exit_group: | |
708b6a64 | 10293 | preexit_cleanup(cpu_env, arg1); |
ec86b0fb FB |
10294 | ret = get_errno(exit_group(arg1)); |
10295 | break; | |
10296 | #endif | |
31e31b8a | 10297 | case TARGET_NR_setdomainname: |
579a97f7 FB |
10298 | if (!(p = lock_user_string(arg1))) |
10299 | goto efault; | |
53a5960a PB |
10300 | ret = get_errno(setdomainname(p, arg2)); |
10301 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
10302 | break; |
10303 | case TARGET_NR_uname: | |
10304 | /* no need to transcode because we use the linux syscall */ | |
29e619b1 FB |
10305 | { |
10306 | struct new_utsname * buf; | |
3b46e624 | 10307 | |
579a97f7 FB |
10308 | if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0)) |
10309 | goto efault; | |
29e619b1 FB |
10310 | ret = get_errno(sys_uname(buf)); |
10311 | if (!is_error(ret)) { | |
332c9781 | 10312 | /* Overwrite the native machine name with whatever is being |
29e619b1 | 10313 | emulated. */ |
871f95c6 PMD |
10314 | g_strlcpy(buf->machine, cpu_to_uname_machine(cpu_env), |
10315 | sizeof(buf->machine)); | |
c5937220 | 10316 | /* Allow the user to override the reported release. */ |
332c9781 PM |
10317 | if (qemu_uname_release && *qemu_uname_release) { |
10318 | g_strlcpy(buf->release, qemu_uname_release, | |
10319 | sizeof(buf->release)); | |
10320 | } | |
29e619b1 | 10321 | } |
53a5960a | 10322 | unlock_user_struct(buf, arg1, 1); |
29e619b1 | 10323 | } |
31e31b8a | 10324 | break; |
6dbad63e | 10325 | #ifdef TARGET_I386 |
31e31b8a | 10326 | case TARGET_NR_modify_ldt: |
03acab66 | 10327 | ret = do_modify_ldt(cpu_env, arg1, arg2, arg3); |
5cd4393b | 10328 | break; |
84409ddb | 10329 | #if !defined(TARGET_X86_64) |
5cd4393b FB |
10330 | case TARGET_NR_vm86old: |
10331 | goto unimplemented; | |
10332 | case TARGET_NR_vm86: | |
53a5960a | 10333 | ret = do_vm86(cpu_env, arg1, arg2); |
6dbad63e | 10334 | break; |
84409ddb | 10335 | #endif |
6dbad63e | 10336 | #endif |
31e31b8a | 10337 | case TARGET_NR_adjtimex: |
19f59bce AM |
10338 | { |
10339 | struct timex host_buf; | |
10340 | ||
10341 | if (target_to_host_timex(&host_buf, arg1) != 0) { | |
10342 | goto efault; | |
10343 | } | |
10344 | ret = get_errno(adjtimex(&host_buf)); | |
10345 | if (!is_error(ret)) { | |
10346 | if (host_to_target_timex(arg1, &host_buf) != 0) { | |
10347 | goto efault; | |
10348 | } | |
10349 | } | |
10350 | } | |
10351 | break; | |
38860a03 AM |
10352 | #if defined(TARGET_NR_clock_adjtime) && defined(CONFIG_CLOCK_ADJTIME) |
10353 | case TARGET_NR_clock_adjtime: | |
10354 | { | |
10355 | struct timex htx, *phtx = &htx; | |
10356 | ||
10357 | if (target_to_host_timex(phtx, arg2) != 0) { | |
10358 | goto efault; | |
10359 | } | |
10360 | ret = get_errno(clock_adjtime(arg1, phtx)); | |
10361 | if (!is_error(ret) && phtx) { | |
10362 | if (host_to_target_timex(arg2, phtx) != 0) { | |
10363 | goto efault; | |
10364 | } | |
10365 | } | |
10366 | } | |
10367 | break; | |
10368 | #endif | |
e5febef5 | 10369 | #ifdef TARGET_NR_create_module |
31e31b8a | 10370 | case TARGET_NR_create_module: |
e5febef5 | 10371 | #endif |
31e31b8a FB |
10372 | case TARGET_NR_init_module: |
10373 | case TARGET_NR_delete_module: | |
e5febef5 | 10374 | #ifdef TARGET_NR_get_kernel_syms |
31e31b8a | 10375 | case TARGET_NR_get_kernel_syms: |
e5febef5 | 10376 | #endif |
31e31b8a FB |
10377 | goto unimplemented; |
10378 | case TARGET_NR_quotactl: | |
10379 | goto unimplemented; | |
10380 | case TARGET_NR_getpgid: | |
10381 | ret = get_errno(getpgid(arg1)); | |
10382 | break; | |
10383 | case TARGET_NR_fchdir: | |
10384 | ret = get_errno(fchdir(arg1)); | |
10385 | break; | |
84409ddb | 10386 | #ifdef TARGET_NR_bdflush /* not on x86_64 */ |
31e31b8a FB |
10387 | case TARGET_NR_bdflush: |
10388 | goto unimplemented; | |
84409ddb | 10389 | #endif |
e5febef5 | 10390 | #ifdef TARGET_NR_sysfs |
31e31b8a FB |
10391 | case TARGET_NR_sysfs: |
10392 | goto unimplemented; | |
e5febef5 | 10393 | #endif |
31e31b8a | 10394 | case TARGET_NR_personality: |
1b6b029e | 10395 | ret = get_errno(personality(arg1)); |
31e31b8a | 10396 | break; |
e5febef5 | 10397 | #ifdef TARGET_NR_afs_syscall |
31e31b8a FB |
10398 | case TARGET_NR_afs_syscall: |
10399 | goto unimplemented; | |
e5febef5 | 10400 | #endif |
7a3148a9 | 10401 | #ifdef TARGET_NR__llseek /* Not on alpha */ |
31e31b8a FB |
10402 | case TARGET_NR__llseek: |
10403 | { | |
0c1592d9 | 10404 | int64_t res; |
d35b261c | 10405 | #if !defined(__NR_llseek) |
9fea273c | 10406 | res = lseek(arg1, ((uint64_t)arg2 << 32) | (abi_ulong)arg3, arg5); |
0c1592d9 PM |
10407 | if (res == -1) { |
10408 | ret = get_errno(res); | |
10409 | } else { | |
10410 | ret = 0; | |
10411 | } | |
4f2ac237 | 10412 | #else |
31e31b8a | 10413 | ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); |
4f2ac237 | 10414 | #endif |
0c1592d9 PM |
10415 | if ((ret == 0) && put_user_s64(res, arg4)) { |
10416 | goto efault; | |
10417 | } | |
31e31b8a FB |
10418 | } |
10419 | break; | |
7a3148a9 | 10420 | #endif |
704eff6c | 10421 | #ifdef TARGET_NR_getdents |
31e31b8a | 10422 | case TARGET_NR_getdents: |
2b3f64cb | 10423 | #ifdef EMULATE_GETDENTS_WITH_GETDENTS |
d83c8733 | 10424 | #if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64 |
4add45b4 | 10425 | { |
53a5960a | 10426 | struct target_dirent *target_dirp; |
6556a833 | 10427 | struct linux_dirent *dirp; |
992f48a0 | 10428 | abi_long count = arg3; |
4add45b4 | 10429 | |
0e173b24 HK |
10430 | dirp = g_try_malloc(count); |
10431 | if (!dirp) { | |
579a97f7 | 10432 | ret = -TARGET_ENOMEM; |
0da46a6e TS |
10433 | goto fail; |
10434 | } | |
3b46e624 | 10435 | |
4add45b4 FB |
10436 | ret = get_errno(sys_getdents(arg1, dirp, count)); |
10437 | if (!is_error(ret)) { | |
6556a833 | 10438 | struct linux_dirent *de; |
4add45b4 FB |
10439 | struct target_dirent *tde; |
10440 | int len = ret; | |
10441 | int reclen, treclen; | |
10442 | int count1, tnamelen; | |
10443 | ||
10444 | count1 = 0; | |
10445 | de = dirp; | |
579a97f7 FB |
10446 | if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
10447 | goto efault; | |
4add45b4 FB |
10448 | tde = target_dirp; |
10449 | while (len > 0) { | |
10450 | reclen = de->d_reclen; | |
333858b7 DL |
10451 | tnamelen = reclen - offsetof(struct linux_dirent, d_name); |
10452 | assert(tnamelen >= 0); | |
10453 | treclen = tnamelen + offsetof(struct target_dirent, d_name); | |
10454 | assert(count1 + treclen <= count); | |
4add45b4 | 10455 | tde->d_reclen = tswap16(treclen); |
cbb21eed MB |
10456 | tde->d_ino = tswapal(de->d_ino); |
10457 | tde->d_off = tswapal(de->d_off); | |
333858b7 | 10458 | memcpy(tde->d_name, de->d_name, tnamelen); |
6556a833 | 10459 | de = (struct linux_dirent *)((char *)de + reclen); |
4add45b4 | 10460 | len -= reclen; |
1c5bf3bf | 10461 | tde = (struct target_dirent *)((char *)tde + treclen); |
4add45b4 FB |
10462 | count1 += treclen; |
10463 | } | |
10464 | ret = count1; | |
579a97f7 | 10465 | unlock_user(target_dirp, arg2, ret); |
4add45b4 | 10466 | } |
0e173b24 | 10467 | g_free(dirp); |
4add45b4 FB |
10468 | } |
10469 | #else | |
31e31b8a | 10470 | { |
6556a833 | 10471 | struct linux_dirent *dirp; |
992f48a0 | 10472 | abi_long count = arg3; |
dab2ed99 | 10473 | |
579a97f7 FB |
10474 | if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
10475 | goto efault; | |
72f03900 | 10476 | ret = get_errno(sys_getdents(arg1, dirp, count)); |
31e31b8a | 10477 | if (!is_error(ret)) { |
6556a833 | 10478 | struct linux_dirent *de; |
31e31b8a FB |
10479 | int len = ret; |
10480 | int reclen; | |
10481 | de = dirp; | |
10482 | while (len > 0) { | |
8083a3e5 | 10483 | reclen = de->d_reclen; |
31e31b8a FB |
10484 | if (reclen > len) |
10485 | break; | |
8083a3e5 | 10486 | de->d_reclen = tswap16(reclen); |
31e31b8a FB |
10487 | tswapls(&de->d_ino); |
10488 | tswapls(&de->d_off); | |
6556a833 | 10489 | de = (struct linux_dirent *)((char *)de + reclen); |
31e31b8a FB |
10490 | len -= reclen; |
10491 | } | |
10492 | } | |
53a5960a | 10493 | unlock_user(dirp, arg2, ret); |
3307e236 PM |
10494 | } |
10495 | #endif | |
10496 | #else | |
10497 | /* Implement getdents in terms of getdents64 */ | |
10498 | { | |
10499 | struct linux_dirent64 *dirp; | |
10500 | abi_long count = arg3; | |
10501 | ||
10502 | dirp = lock_user(VERIFY_WRITE, arg2, count, 0); | |
10503 | if (!dirp) { | |
10504 | goto efault; | |
10505 | } | |
10506 | ret = get_errno(sys_getdents64(arg1, dirp, count)); | |
10507 | if (!is_error(ret)) { | |
10508 | /* Convert the dirent64 structs to target dirent. We do this | |
10509 | * in-place, since we can guarantee that a target_dirent is no | |
10510 | * larger than a dirent64; however this means we have to be | |
10511 | * careful to read everything before writing in the new format. | |
10512 | */ | |
10513 | struct linux_dirent64 *de; | |
10514 | struct target_dirent *tde; | |
10515 | int len = ret; | |
10516 | int tlen = 0; | |
10517 | ||
10518 | de = dirp; | |
10519 | tde = (struct target_dirent *)dirp; | |
10520 | while (len > 0) { | |
10521 | int namelen, treclen; | |
10522 | int reclen = de->d_reclen; | |
10523 | uint64_t ino = de->d_ino; | |
10524 | int64_t off = de->d_off; | |
10525 | uint8_t type = de->d_type; | |
10526 | ||
10527 | namelen = strlen(de->d_name); | |
10528 | treclen = offsetof(struct target_dirent, d_name) | |
10529 | + namelen + 2; | |
10530 | treclen = QEMU_ALIGN_UP(treclen, sizeof(abi_long)); | |
10531 | ||
10532 | memmove(tde->d_name, de->d_name, namelen + 1); | |
10533 | tde->d_ino = tswapal(ino); | |
10534 | tde->d_off = tswapal(off); | |
10535 | tde->d_reclen = tswap16(treclen); | |
10536 | /* The target_dirent type is in what was formerly a padding | |
10537 | * byte at the end of the structure: | |
10538 | */ | |
10539 | *(((char *)tde) + treclen - 1) = type; | |
10540 | ||
10541 | de = (struct linux_dirent64 *)((char *)de + reclen); | |
10542 | tde = (struct target_dirent *)((char *)tde + treclen); | |
10543 | len -= reclen; | |
10544 | tlen += treclen; | |
10545 | } | |
10546 | ret = tlen; | |
10547 | } | |
10548 | unlock_user(dirp, arg2, ret); | |
31e31b8a | 10549 | } |
4add45b4 | 10550 | #endif |
31e31b8a | 10551 | break; |
704eff6c | 10552 | #endif /* TARGET_NR_getdents */ |
3ae43202 | 10553 | #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64) |
dab2ed99 FB |
10554 | case TARGET_NR_getdents64: |
10555 | { | |
6556a833 | 10556 | struct linux_dirent64 *dirp; |
992f48a0 | 10557 | abi_long count = arg3; |
579a97f7 FB |
10558 | if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
10559 | goto efault; | |
dab2ed99 FB |
10560 | ret = get_errno(sys_getdents64(arg1, dirp, count)); |
10561 | if (!is_error(ret)) { | |
6556a833 | 10562 | struct linux_dirent64 *de; |
dab2ed99 FB |
10563 | int len = ret; |
10564 | int reclen; | |
10565 | de = dirp; | |
10566 | while (len > 0) { | |
8083a3e5 | 10567 | reclen = de->d_reclen; |
dab2ed99 FB |
10568 | if (reclen > len) |
10569 | break; | |
8083a3e5 | 10570 | de->d_reclen = tswap16(reclen); |
8582a53a FB |
10571 | tswap64s((uint64_t *)&de->d_ino); |
10572 | tswap64s((uint64_t *)&de->d_off); | |
6556a833 | 10573 | de = (struct linux_dirent64 *)((char *)de + reclen); |
dab2ed99 FB |
10574 | len -= reclen; |
10575 | } | |
10576 | } | |
53a5960a | 10577 | unlock_user(dirp, arg2, ret); |
dab2ed99 FB |
10578 | } |
10579 | break; | |
a541f297 | 10580 | #endif /* TARGET_NR_getdents64 */ |
9468a5d4 | 10581 | #if defined(TARGET_NR__newselect) |
31e31b8a | 10582 | case TARGET_NR__newselect: |
53a5960a | 10583 | ret = do_select(arg1, arg2, arg3, arg4, arg5); |
31e31b8a | 10584 | break; |
e5febef5 | 10585 | #endif |
d8035d4c MF |
10586 | #if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll) |
10587 | # ifdef TARGET_NR_poll | |
9de5e440 | 10588 | case TARGET_NR_poll: |
d8035d4c MF |
10589 | # endif |
10590 | # ifdef TARGET_NR_ppoll | |
10591 | case TARGET_NR_ppoll: | |
10592 | # endif | |
9de5e440 | 10593 | { |
53a5960a | 10594 | struct target_pollfd *target_pfd; |
9de5e440 | 10595 | unsigned int nfds = arg2; |
9de5e440 | 10596 | struct pollfd *pfd; |
7854b056 | 10597 | unsigned int i; |
9de5e440 | 10598 | |
3e24bb3f LV |
10599 | pfd = NULL; |
10600 | target_pfd = NULL; | |
10601 | if (nfds) { | |
ce9c139d PM |
10602 | if (nfds > (INT_MAX / sizeof(struct target_pollfd))) { |
10603 | ret = -TARGET_EINVAL; | |
10604 | break; | |
10605 | } | |
10606 | ||
3e24bb3f LV |
10607 | target_pfd = lock_user(VERIFY_WRITE, arg1, |
10608 | sizeof(struct target_pollfd) * nfds, 1); | |
10609 | if (!target_pfd) { | |
10610 | goto efault; | |
10611 | } | |
d8035d4c | 10612 | |
3e24bb3f LV |
10613 | pfd = alloca(sizeof(struct pollfd) * nfds); |
10614 | for (i = 0; i < nfds; i++) { | |
10615 | pfd[i].fd = tswap32(target_pfd[i].fd); | |
10616 | pfd[i].events = tswap16(target_pfd[i].events); | |
10617 | } | |
9de5e440 | 10618 | } |
d8035d4c | 10619 | |
a6130237 | 10620 | switch (num) { |
d8035d4c | 10621 | # ifdef TARGET_NR_ppoll |
a6130237 PM |
10622 | case TARGET_NR_ppoll: |
10623 | { | |
d8035d4c MF |
10624 | struct timespec _timeout_ts, *timeout_ts = &_timeout_ts; |
10625 | target_sigset_t *target_set; | |
10626 | sigset_t _set, *set = &_set; | |
10627 | ||
10628 | if (arg3) { | |
10629 | if (target_to_host_timespec(timeout_ts, arg3)) { | |
10630 | unlock_user(target_pfd, arg1, 0); | |
10631 | goto efault; | |
10632 | } | |
10633 | } else { | |
10634 | timeout_ts = NULL; | |
10635 | } | |
10636 | ||
10637 | if (arg4) { | |
c815701e PM |
10638 | if (arg5 != sizeof(target_sigset_t)) { |
10639 | unlock_user(target_pfd, arg1, 0); | |
10640 | ret = -TARGET_EINVAL; | |
10641 | break; | |
10642 | } | |
10643 | ||
d8035d4c MF |
10644 | target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1); |
10645 | if (!target_set) { | |
10646 | unlock_user(target_pfd, arg1, 0); | |
10647 | goto efault; | |
10648 | } | |
10649 | target_to_host_sigset(set, target_set); | |
10650 | } else { | |
10651 | set = NULL; | |
10652 | } | |
10653 | ||
a6130237 PM |
10654 | ret = get_errno(safe_ppoll(pfd, nfds, timeout_ts, |
10655 | set, SIGSET_T_SIZE)); | |
d8035d4c MF |
10656 | |
10657 | if (!is_error(ret) && arg3) { | |
10658 | host_to_target_timespec(arg3, timeout_ts); | |
10659 | } | |
10660 | if (arg4) { | |
10661 | unlock_user(target_set, arg4, 0); | |
10662 | } | |
a6130237 PM |
10663 | break; |
10664 | } | |
d8035d4c | 10665 | # endif |
a6130237 PM |
10666 | # ifdef TARGET_NR_poll |
10667 | case TARGET_NR_poll: | |
10668 | { | |
10669 | struct timespec ts, *pts; | |
10670 | ||
10671 | if (arg3 >= 0) { | |
10672 | /* Convert ms to secs, ns */ | |
10673 | ts.tv_sec = arg3 / 1000; | |
10674 | ts.tv_nsec = (arg3 % 1000) * 1000000LL; | |
10675 | pts = &ts; | |
10676 | } else { | |
10677 | /* -ve poll() timeout means "infinite" */ | |
10678 | pts = NULL; | |
10679 | } | |
10680 | ret = get_errno(safe_ppoll(pfd, nfds, pts, NULL, 0)); | |
10681 | break; | |
10682 | } | |
d8035d4c | 10683 | # endif |
a6130237 PM |
10684 | default: |
10685 | g_assert_not_reached(); | |
10686 | } | |
d8035d4c | 10687 | |
9de5e440 FB |
10688 | if (!is_error(ret)) { |
10689 | for(i = 0; i < nfds; i++) { | |
5cd4393b | 10690 | target_pfd[i].revents = tswap16(pfd[i].revents); |
9de5e440 FB |
10691 | } |
10692 | } | |
30cb4cde | 10693 | unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds); |
9de5e440 FB |
10694 | } |
10695 | break; | |
e5febef5 | 10696 | #endif |
31e31b8a | 10697 | case TARGET_NR_flock: |
9de5e440 FB |
10698 | /* NOTE: the flock constant seems to be the same for every |
10699 | Linux platform */ | |
2a845989 | 10700 | ret = get_errno(safe_flock(arg1, arg2)); |
31e31b8a FB |
10701 | break; |
10702 | case TARGET_NR_readv: | |
10703 | { | |
f287b2c2 RH |
10704 | struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0); |
10705 | if (vec != NULL) { | |
918c03ed | 10706 | ret = get_errno(safe_readv(arg1, vec, arg3)); |
f287b2c2 RH |
10707 | unlock_iovec(vec, arg2, arg3, 1); |
10708 | } else { | |
10709 | ret = -host_to_target_errno(errno); | |
10710 | } | |
31e31b8a FB |
10711 | } |
10712 | break; | |
10713 | case TARGET_NR_writev: | |
10714 | { | |
f287b2c2 RH |
10715 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); |
10716 | if (vec != NULL) { | |
918c03ed | 10717 | ret = get_errno(safe_writev(arg1, vec, arg3)); |
f287b2c2 RH |
10718 | unlock_iovec(vec, arg2, arg3, 0); |
10719 | } else { | |
10720 | ret = -host_to_target_errno(errno); | |
10721 | } | |
31e31b8a FB |
10722 | } |
10723 | break; | |
0f26386c DJ |
10724 | #if defined(TARGET_NR_preadv) |
10725 | case TARGET_NR_preadv: | |
10726 | { | |
10727 | struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0); | |
10728 | if (vec != NULL) { | |
9ac22517 MF |
10729 | unsigned long low, high; |
10730 | ||
10731 | target_to_host_low_high(arg4, arg5, &low, &high); | |
10732 | ret = get_errno(safe_preadv(arg1, vec, arg3, low, high)); | |
0f26386c DJ |
10733 | unlock_iovec(vec, arg2, arg3, 1); |
10734 | } else { | |
10735 | ret = -host_to_target_errno(errno); | |
f8d00fba DJ |
10736 | } |
10737 | } | |
10738 | break; | |
10739 | #endif | |
10740 | #if defined(TARGET_NR_pwritev) | |
10741 | case TARGET_NR_pwritev: | |
10742 | { | |
10743 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); | |
10744 | if (vec != NULL) { | |
9ac22517 MF |
10745 | unsigned long low, high; |
10746 | ||
10747 | target_to_host_low_high(arg4, arg5, &low, &high); | |
10748 | ret = get_errno(safe_pwritev(arg1, vec, arg3, low, high)); | |
f8d00fba DJ |
10749 | unlock_iovec(vec, arg2, arg3, 0); |
10750 | } else { | |
10751 | ret = -host_to_target_errno(errno); | |
0f26386c DJ |
10752 | } |
10753 | } | |
10754 | break; | |
10755 | #endif | |
31e31b8a FB |
10756 | case TARGET_NR_getsid: |
10757 | ret = get_errno(getsid(arg1)); | |
10758 | break; | |
7a3148a9 | 10759 | #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */ |
31e31b8a | 10760 | case TARGET_NR_fdatasync: |
5cd4393b FB |
10761 | ret = get_errno(fdatasync(arg1)); |
10762 | break; | |
7a3148a9 | 10763 | #endif |
704eff6c | 10764 | #ifdef TARGET_NR__sysctl |
31e31b8a | 10765 | case TARGET_NR__sysctl: |
0da46a6e | 10766 | /* We don't implement this, but ENOTDIR is always a safe |
29e619b1 | 10767 | return value. */ |
0da46a6e TS |
10768 | ret = -TARGET_ENOTDIR; |
10769 | break; | |
704eff6c | 10770 | #endif |
737de1d1 MF |
10771 | case TARGET_NR_sched_getaffinity: |
10772 | { | |
10773 | unsigned int mask_size; | |
10774 | unsigned long *mask; | |
10775 | ||
10776 | /* | |
10777 | * sched_getaffinity needs multiples of ulong, so need to take | |
10778 | * care of mismatches between target ulong and host ulong sizes. | |
10779 | */ | |
10780 | if (arg2 & (sizeof(abi_ulong) - 1)) { | |
10781 | ret = -TARGET_EINVAL; | |
10782 | break; | |
10783 | } | |
10784 | mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); | |
10785 | ||
10786 | mask = alloca(mask_size); | |
2e0a8713 | 10787 | memset(mask, 0, mask_size); |
737de1d1 MF |
10788 | ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask)); |
10789 | ||
10790 | if (!is_error(ret)) { | |
be3bd286 PM |
10791 | if (ret > arg2) { |
10792 | /* More data returned than the caller's buffer will fit. | |
10793 | * This only happens if sizeof(abi_long) < sizeof(long) | |
10794 | * and the caller passed us a buffer holding an odd number | |
10795 | * of abi_longs. If the host kernel is actually using the | |
10796 | * extra 4 bytes then fail EINVAL; otherwise we can just | |
10797 | * ignore them and only copy the interesting part. | |
10798 | */ | |
10799 | int numcpus = sysconf(_SC_NPROCESSORS_CONF); | |
10800 | if (numcpus > arg2 * 8) { | |
10801 | ret = -TARGET_EINVAL; | |
10802 | break; | |
10803 | } | |
10804 | ret = arg2; | |
10805 | } | |
10806 | ||
5fdefcf8 ST |
10807 | if (host_to_target_cpu_mask(mask, mask_size, arg3, ret)) { |
10808 | goto efault; | |
10809 | } | |
737de1d1 MF |
10810 | } |
10811 | } | |
10812 | break; | |
10813 | case TARGET_NR_sched_setaffinity: | |
10814 | { | |
10815 | unsigned int mask_size; | |
10816 | unsigned long *mask; | |
10817 | ||
10818 | /* | |
10819 | * sched_setaffinity needs multiples of ulong, so need to take | |
10820 | * care of mismatches between target ulong and host ulong sizes. | |
10821 | */ | |
10822 | if (arg2 & (sizeof(abi_ulong) - 1)) { | |
10823 | ret = -TARGET_EINVAL; | |
10824 | break; | |
10825 | } | |
10826 | mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); | |
737de1d1 | 10827 | mask = alloca(mask_size); |
2e0a8713 ST |
10828 | |
10829 | ret = target_to_host_cpu_mask(mask, mask_size, arg3, arg2); | |
10830 | if (ret) { | |
10831 | break; | |
737de1d1 | 10832 | } |
737de1d1 MF |
10833 | |
10834 | ret = get_errno(sys_sched_setaffinity(arg1, mask_size, mask)); | |
10835 | } | |
10836 | break; | |
b827c3ed ST |
10837 | case TARGET_NR_getcpu: |
10838 | { | |
10839 | unsigned cpu, node; | |
10840 | ret = get_errno(sys_getcpu(arg1 ? &cpu : NULL, | |
10841 | arg2 ? &node : NULL, | |
10842 | NULL)); | |
10843 | if (is_error(ret)) { | |
10844 | goto fail; | |
10845 | } | |
10846 | if (arg1 && put_user_u32(cpu, arg1)) { | |
10847 | goto efault; | |
10848 | } | |
10849 | if (arg2 && put_user_u32(node, arg2)) { | |
10850 | goto efault; | |
10851 | } | |
10852 | } | |
10853 | break; | |
31e31b8a | 10854 | case TARGET_NR_sched_setparam: |
5cd4393b | 10855 | { |
53a5960a | 10856 | struct sched_param *target_schp; |
5cd4393b | 10857 | struct sched_param schp; |
53a5960a | 10858 | |
a1d5c5b2 TM |
10859 | if (arg2 == 0) { |
10860 | return -TARGET_EINVAL; | |
10861 | } | |
579a97f7 FB |
10862 | if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1)) |
10863 | goto efault; | |
5cd4393b | 10864 | schp.sched_priority = tswap32(target_schp->sched_priority); |
53a5960a | 10865 | unlock_user_struct(target_schp, arg2, 0); |
5cd4393b FB |
10866 | ret = get_errno(sched_setparam(arg1, &schp)); |
10867 | } | |
10868 | break; | |
31e31b8a | 10869 | case TARGET_NR_sched_getparam: |
5cd4393b | 10870 | { |
53a5960a | 10871 | struct sched_param *target_schp; |
5cd4393b | 10872 | struct sched_param schp; |
a1d5c5b2 TM |
10873 | |
10874 | if (arg2 == 0) { | |
10875 | return -TARGET_EINVAL; | |
10876 | } | |
5cd4393b FB |
10877 | ret = get_errno(sched_getparam(arg1, &schp)); |
10878 | if (!is_error(ret)) { | |
579a97f7 FB |
10879 | if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0)) |
10880 | goto efault; | |
5cd4393b | 10881 | target_schp->sched_priority = tswap32(schp.sched_priority); |
53a5960a | 10882 | unlock_user_struct(target_schp, arg2, 1); |
5cd4393b FB |
10883 | } |
10884 | } | |
10885 | break; | |
31e31b8a | 10886 | case TARGET_NR_sched_setscheduler: |
5cd4393b | 10887 | { |
53a5960a | 10888 | struct sched_param *target_schp; |
5cd4393b | 10889 | struct sched_param schp; |
a1d5c5b2 TM |
10890 | if (arg3 == 0) { |
10891 | return -TARGET_EINVAL; | |
10892 | } | |
579a97f7 FB |
10893 | if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1)) |
10894 | goto efault; | |
5cd4393b | 10895 | schp.sched_priority = tswap32(target_schp->sched_priority); |
53a5960a | 10896 | unlock_user_struct(target_schp, arg3, 0); |
5cd4393b FB |
10897 | ret = get_errno(sched_setscheduler(arg1, arg2, &schp)); |
10898 | } | |
10899 | break; | |
31e31b8a | 10900 | case TARGET_NR_sched_getscheduler: |
5cd4393b FB |
10901 | ret = get_errno(sched_getscheduler(arg1)); |
10902 | break; | |
31e31b8a FB |
10903 | case TARGET_NR_sched_yield: |
10904 | ret = get_errno(sched_yield()); | |
10905 | break; | |
10906 | case TARGET_NR_sched_get_priority_max: | |
5cd4393b FB |
10907 | ret = get_errno(sched_get_priority_max(arg1)); |
10908 | break; | |
31e31b8a | 10909 | case TARGET_NR_sched_get_priority_min: |
5cd4393b FB |
10910 | ret = get_errno(sched_get_priority_min(arg1)); |
10911 | break; | |
31e31b8a | 10912 | case TARGET_NR_sched_rr_get_interval: |
5cd4393b | 10913 | { |
5cd4393b FB |
10914 | struct timespec ts; |
10915 | ret = get_errno(sched_rr_get_interval(arg1, &ts)); | |
10916 | if (!is_error(ret)) { | |
d4290c40 | 10917 | ret = host_to_target_timespec(arg2, &ts); |
5cd4393b FB |
10918 | } |
10919 | } | |
10920 | break; | |
31e31b8a | 10921 | case TARGET_NR_nanosleep: |
1b6b029e | 10922 | { |
1b6b029e | 10923 | struct timespec req, rem; |
53a5960a | 10924 | target_to_host_timespec(&req, arg1); |
9e518226 | 10925 | ret = get_errno(safe_nanosleep(&req, &rem)); |
53a5960a PB |
10926 | if (is_error(ret) && arg2) { |
10927 | host_to_target_timespec(arg2, &rem); | |
1b6b029e FB |
10928 | } |
10929 | } | |
10930 | break; | |
e5febef5 | 10931 | #ifdef TARGET_NR_query_module |
31e31b8a | 10932 | case TARGET_NR_query_module: |
5cd4393b | 10933 | goto unimplemented; |
e5febef5 TS |
10934 | #endif |
10935 | #ifdef TARGET_NR_nfsservctl | |
31e31b8a | 10936 | case TARGET_NR_nfsservctl: |
5cd4393b | 10937 | goto unimplemented; |
e5febef5 | 10938 | #endif |
31e31b8a | 10939 | case TARGET_NR_prctl: |
1e6722f8 PM |
10940 | switch (arg1) { |
10941 | case PR_GET_PDEATHSIG: | |
10942 | { | |
10943 | int deathsig; | |
10944 | ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5)); | |
10945 | if (!is_error(ret) && arg2 | |
10946 | && put_user_ual(deathsig, arg2)) { | |
10947 | goto efault; | |
e5574487 | 10948 | } |
1e6722f8 PM |
10949 | break; |
10950 | } | |
db9526b1 PM |
10951 | #ifdef PR_GET_NAME |
10952 | case PR_GET_NAME: | |
10953 | { | |
10954 | void *name = lock_user(VERIFY_WRITE, arg2, 16, 1); | |
10955 | if (!name) { | |
10956 | goto efault; | |
10957 | } | |
10958 | ret = get_errno(prctl(arg1, (unsigned long)name, | |
10959 | arg3, arg4, arg5)); | |
10960 | unlock_user(name, arg2, 16); | |
10961 | break; | |
10962 | } | |
10963 | case PR_SET_NAME: | |
10964 | { | |
10965 | void *name = lock_user(VERIFY_READ, arg2, 16, 1); | |
10966 | if (!name) { | |
10967 | goto efault; | |
10968 | } | |
10969 | ret = get_errno(prctl(arg1, (unsigned long)name, | |
10970 | arg3, arg4, arg5)); | |
10971 | unlock_user(name, arg2, 0); | |
10972 | break; | |
10973 | } | |
10974 | #endif | |
85fc7167 RH |
10975 | #ifdef TARGET_AARCH64 |
10976 | case TARGET_PR_SVE_SET_VL: | |
adf92eab RH |
10977 | /* |
10978 | * We cannot support either PR_SVE_SET_VL_ONEXEC or | |
10979 | * PR_SVE_VL_INHERIT. Note the kernel definition | |
10980 | * of sve_vl_valid allows for VQ=512, i.e. VL=8192, | |
10981 | * even though the current architectural maximum is VQ=16. | |
10982 | */ | |
85fc7167 RH |
10983 | ret = -TARGET_EINVAL; |
10984 | if (arm_feature(cpu_env, ARM_FEATURE_SVE) | |
adf92eab | 10985 | && arg2 >= 0 && arg2 <= 512 * 16 && !(arg2 & 15)) { |
85fc7167 | 10986 | CPUARMState *env = cpu_env; |
adf92eab RH |
10987 | ARMCPU *cpu = arm_env_get_cpu(env); |
10988 | uint32_t vq, old_vq; | |
10989 | ||
10990 | old_vq = (env->vfp.zcr_el[1] & 0xf) + 1; | |
10991 | vq = MAX(arg2 / 16, 1); | |
10992 | vq = MIN(vq, cpu->sve_max_vq); | |
85fc7167 RH |
10993 | |
10994 | if (vq < old_vq) { | |
10995 | aarch64_sve_narrow_vq(env, vq); | |
10996 | } | |
10997 | env->vfp.zcr_el[1] = vq - 1; | |
10998 | ret = vq * 16; | |
10999 | } | |
11000 | break; | |
11001 | case TARGET_PR_SVE_GET_VL: | |
11002 | ret = -TARGET_EINVAL; | |
11003 | if (arm_feature(cpu_env, ARM_FEATURE_SVE)) { | |
11004 | CPUARMState *env = cpu_env; | |
11005 | ret = ((env->vfp.zcr_el[1] & 0xf) + 1) * 16; | |
11006 | } | |
11007 | break; | |
11008 | #endif /* AARCH64 */ | |
a8b154a6 JC |
11009 | case PR_GET_SECCOMP: |
11010 | case PR_SET_SECCOMP: | |
11011 | /* Disable seccomp to prevent the target disabling syscalls we | |
11012 | * need. */ | |
11013 | ret = -TARGET_EINVAL; | |
11014 | break; | |
1e6722f8 PM |
11015 | default: |
11016 | /* Most prctl options have no pointer arguments */ | |
11017 | ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5)); | |
11018 | break; | |
11019 | } | |
39b9aae1 | 11020 | break; |
d2fd1af7 FB |
11021 | #ifdef TARGET_NR_arch_prctl |
11022 | case TARGET_NR_arch_prctl: | |
11023 | #if defined(TARGET_I386) && !defined(TARGET_ABI32) | |
11024 | ret = do_arch_prctl(cpu_env, arg1, arg2); | |
11025 | break; | |
11026 | #else | |
11027 | goto unimplemented; | |
11028 | #endif | |
11029 | #endif | |
f2c7ba15 AJ |
11030 | #ifdef TARGET_NR_pread64 |
11031 | case TARGET_NR_pread64: | |
8bf8e9df | 11032 | if (regpairs_aligned(cpu_env, num)) { |
ae017a5b AG |
11033 | arg4 = arg5; |
11034 | arg5 = arg6; | |
11035 | } | |
f2c7ba15 AJ |
11036 | if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) |
11037 | goto efault; | |
11038 | ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5))); | |
11039 | unlock_user(p, arg2, ret); | |
11040 | break; | |
11041 | case TARGET_NR_pwrite64: | |
8bf8e9df | 11042 | if (regpairs_aligned(cpu_env, num)) { |
ae017a5b AG |
11043 | arg4 = arg5; |
11044 | arg5 = arg6; | |
11045 | } | |
f2c7ba15 AJ |
11046 | if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
11047 | goto efault; | |
11048 | ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5))); | |
11049 | unlock_user(p, arg2, 0); | |
11050 | break; | |
67867308 | 11051 | #endif |
31e31b8a | 11052 | case TARGET_NR_getcwd: |
579a97f7 FB |
11053 | if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0))) |
11054 | goto efault; | |
53a5960a PB |
11055 | ret = get_errno(sys_getcwd1(p, arg2)); |
11056 | unlock_user(p, arg1, ret); | |
31e31b8a FB |
11057 | break; |
11058 | case TARGET_NR_capget: | |
11059 | case TARGET_NR_capset: | |
e0eb210e PM |
11060 | { |
11061 | struct target_user_cap_header *target_header; | |
11062 | struct target_user_cap_data *target_data = NULL; | |
11063 | struct __user_cap_header_struct header; | |
11064 | struct __user_cap_data_struct data[2]; | |
11065 | struct __user_cap_data_struct *dataptr = NULL; | |
11066 | int i, target_datalen; | |
11067 | int data_items = 1; | |
11068 | ||
11069 | if (!lock_user_struct(VERIFY_WRITE, target_header, arg1, 1)) { | |
11070 | goto efault; | |
11071 | } | |
11072 | header.version = tswap32(target_header->version); | |
11073 | header.pid = tswap32(target_header->pid); | |
11074 | ||
ec864874 | 11075 | if (header.version != _LINUX_CAPABILITY_VERSION) { |
e0eb210e PM |
11076 | /* Version 2 and up takes pointer to two user_data structs */ |
11077 | data_items = 2; | |
11078 | } | |
11079 | ||
11080 | target_datalen = sizeof(*target_data) * data_items; | |
11081 | ||
11082 | if (arg2) { | |
11083 | if (num == TARGET_NR_capget) { | |
11084 | target_data = lock_user(VERIFY_WRITE, arg2, target_datalen, 0); | |
11085 | } else { | |
11086 | target_data = lock_user(VERIFY_READ, arg2, target_datalen, 1); | |
11087 | } | |
11088 | if (!target_data) { | |
11089 | unlock_user_struct(target_header, arg1, 0); | |
11090 | goto efault; | |
11091 | } | |
11092 | ||
11093 | if (num == TARGET_NR_capset) { | |
11094 | for (i = 0; i < data_items; i++) { | |
11095 | data[i].effective = tswap32(target_data[i].effective); | |
11096 | data[i].permitted = tswap32(target_data[i].permitted); | |
11097 | data[i].inheritable = tswap32(target_data[i].inheritable); | |
11098 | } | |
11099 | } | |
11100 | ||
11101 | dataptr = data; | |
11102 | } | |
11103 | ||
11104 | if (num == TARGET_NR_capget) { | |
11105 | ret = get_errno(capget(&header, dataptr)); | |
11106 | } else { | |
11107 | ret = get_errno(capset(&header, dataptr)); | |
11108 | } | |
11109 | ||
11110 | /* The kernel always updates version for both capget and capset */ | |
11111 | target_header->version = tswap32(header.version); | |
11112 | unlock_user_struct(target_header, arg1, 1); | |
11113 | ||
11114 | if (arg2) { | |
11115 | if (num == TARGET_NR_capget) { | |
11116 | for (i = 0; i < data_items; i++) { | |
11117 | target_data[i].effective = tswap32(data[i].effective); | |
11118 | target_data[i].permitted = tswap32(data[i].permitted); | |
11119 | target_data[i].inheritable = tswap32(data[i].inheritable); | |
11120 | } | |
11121 | unlock_user(target_data, arg2, target_datalen); | |
11122 | } else { | |
11123 | unlock_user(target_data, arg2, 0); | |
11124 | } | |
11125 | } | |
11126 | break; | |
11127 | } | |
31e31b8a | 11128 | case TARGET_NR_sigaltstack: |
9349b4f9 | 11129 | ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUArchState *)cpu_env)); |
a04e134a | 11130 | break; |
a8fd1aba PM |
11131 | |
11132 | #ifdef CONFIG_SENDFILE | |
4f7f8924 | 11133 | #ifdef TARGET_NR_sendfile |
a8fd1aba PM |
11134 | case TARGET_NR_sendfile: |
11135 | { | |
11136 | off_t *offp = NULL; | |
11137 | off_t off; | |
11138 | if (arg3) { | |
11139 | ret = get_user_sal(off, arg3); | |
11140 | if (is_error(ret)) { | |
11141 | break; | |
11142 | } | |
11143 | offp = &off; | |
11144 | } | |
11145 | ret = get_errno(sendfile(arg1, arg2, offp, arg4)); | |
11146 | if (!is_error(ret) && arg3) { | |
11147 | abi_long ret2 = put_user_sal(off, arg3); | |
11148 | if (is_error(ret2)) { | |
11149 | ret = ret2; | |
11150 | } | |
11151 | } | |
11152 | break; | |
11153 | } | |
4f7f8924 | 11154 | #endif |
a8fd1aba PM |
11155 | #ifdef TARGET_NR_sendfile64 |
11156 | case TARGET_NR_sendfile64: | |
11157 | { | |
11158 | off_t *offp = NULL; | |
11159 | off_t off; | |
11160 | if (arg3) { | |
11161 | ret = get_user_s64(off, arg3); | |
11162 | if (is_error(ret)) { | |
11163 | break; | |
11164 | } | |
11165 | offp = &off; | |
11166 | } | |
11167 | ret = get_errno(sendfile(arg1, arg2, offp, arg4)); | |
11168 | if (!is_error(ret) && arg3) { | |
11169 | abi_long ret2 = put_user_s64(off, arg3); | |
11170 | if (is_error(ret2)) { | |
11171 | ret = ret2; | |
11172 | } | |
11173 | } | |
11174 | break; | |
11175 | } | |
11176 | #endif | |
11177 | #else | |
31e31b8a | 11178 | case TARGET_NR_sendfile: |
7edd2cf1 | 11179 | #ifdef TARGET_NR_sendfile64 |
a8fd1aba PM |
11180 | case TARGET_NR_sendfile64: |
11181 | #endif | |
5cd4393b | 11182 | goto unimplemented; |
a8fd1aba PM |
11183 | #endif |
11184 | ||
ebc05488 | 11185 | #ifdef TARGET_NR_getpmsg |
31e31b8a | 11186 | case TARGET_NR_getpmsg: |
5cd4393b | 11187 | goto unimplemented; |
ebc05488 FB |
11188 | #endif |
11189 | #ifdef TARGET_NR_putpmsg | |
31e31b8a | 11190 | case TARGET_NR_putpmsg: |
5cd4393b | 11191 | goto unimplemented; |
ebc05488 | 11192 | #endif |
048f6b4d | 11193 | #ifdef TARGET_NR_vfork |
31e31b8a | 11194 | case TARGET_NR_vfork: |
7eddb5dd LV |
11195 | ret = get_errno(do_fork(cpu_env, |
11196 | CLONE_VFORK | CLONE_VM | TARGET_SIGCHLD, | |
d865bab5 | 11197 | 0, 0, 0, 0)); |
31e31b8a | 11198 | break; |
048f6b4d | 11199 | #endif |
ebc05488 | 11200 | #ifdef TARGET_NR_ugetrlimit |
31e31b8a | 11201 | case TARGET_NR_ugetrlimit: |
728584be FB |
11202 | { |
11203 | struct rlimit rlim; | |
e22b7015 WT |
11204 | int resource = target_to_host_resource(arg1); |
11205 | ret = get_errno(getrlimit(resource, &rlim)); | |
728584be | 11206 | if (!is_error(ret)) { |
53a5960a | 11207 | struct target_rlimit *target_rlim; |
579a97f7 FB |
11208 | if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
11209 | goto efault; | |
81bbe906 TY |
11210 | target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); |
11211 | target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); | |
53a5960a | 11212 | unlock_user_struct(target_rlim, arg2, 1); |
728584be FB |
11213 | } |
11214 | break; | |
11215 | } | |
ebc05488 | 11216 | #endif |
a315a145 | 11217 | #ifdef TARGET_NR_truncate64 |
31e31b8a | 11218 | case TARGET_NR_truncate64: |
579a97f7 FB |
11219 | if (!(p = lock_user_string(arg1))) |
11220 | goto efault; | |
53a5960a PB |
11221 | ret = target_truncate64(cpu_env, p, arg2, arg3, arg4); |
11222 | unlock_user(p, arg1, 0); | |
667f38b1 | 11223 | break; |
a315a145 FB |
11224 | #endif |
11225 | #ifdef TARGET_NR_ftruncate64 | |
31e31b8a | 11226 | case TARGET_NR_ftruncate64: |
ce4defa0 | 11227 | ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); |
667f38b1 | 11228 | break; |
a315a145 FB |
11229 | #endif |
11230 | #ifdef TARGET_NR_stat64 | |
31e31b8a | 11231 | case TARGET_NR_stat64: |
579a97f7 FB |
11232 | if (!(p = lock_user_string(arg1))) |
11233 | goto efault; | |
53a5960a PB |
11234 | ret = get_errno(stat(path(p), &st)); |
11235 | unlock_user(p, arg1, 0); | |
6a24a778 AZ |
11236 | if (!is_error(ret)) |
11237 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
11238 | break; | |
a315a145 FB |
11239 | #endif |
11240 | #ifdef TARGET_NR_lstat64 | |
31e31b8a | 11241 | case TARGET_NR_lstat64: |
579a97f7 FB |
11242 | if (!(p = lock_user_string(arg1))) |
11243 | goto efault; | |
53a5960a PB |
11244 | ret = get_errno(lstat(path(p), &st)); |
11245 | unlock_user(p, arg1, 0); | |
6a24a778 AZ |
11246 | if (!is_error(ret)) |
11247 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
11248 | break; | |
a315a145 FB |
11249 | #endif |
11250 | #ifdef TARGET_NR_fstat64 | |
31e31b8a | 11251 | case TARGET_NR_fstat64: |
6a24a778 AZ |
11252 | ret = get_errno(fstat(arg1, &st)); |
11253 | if (!is_error(ret)) | |
11254 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
11255 | break; | |
ce4defa0 | 11256 | #endif |
c0d472b1 | 11257 | #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) |
9d33b76b | 11258 | #ifdef TARGET_NR_fstatat64 |
6a24a778 | 11259 | case TARGET_NR_fstatat64: |
9d33b76b AJ |
11260 | #endif |
11261 | #ifdef TARGET_NR_newfstatat | |
11262 | case TARGET_NR_newfstatat: | |
11263 | #endif | |
6a24a778 AZ |
11264 | if (!(p = lock_user_string(arg2))) |
11265 | goto efault; | |
c0d472b1 | 11266 | ret = get_errno(fstatat(arg1, path(p), &st, arg4)); |
6a24a778 AZ |
11267 | if (!is_error(ret)) |
11268 | ret = host_to_target_stat64(cpu_env, arg3, &st); | |
60cd49d5 | 11269 | break; |
a315a145 | 11270 | #endif |
704eff6c | 11271 | #ifdef TARGET_NR_lchown |
67867308 | 11272 | case TARGET_NR_lchown: |
579a97f7 FB |
11273 | if (!(p = lock_user_string(arg1))) |
11274 | goto efault; | |
53a5960a PB |
11275 | ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); |
11276 | unlock_user(p, arg1, 0); | |
67867308 | 11277 | break; |
704eff6c | 11278 | #endif |
0c866a7e | 11279 | #ifdef TARGET_NR_getuid |
67867308 FB |
11280 | case TARGET_NR_getuid: |
11281 | ret = get_errno(high2lowuid(getuid())); | |
11282 | break; | |
0c866a7e RV |
11283 | #endif |
11284 | #ifdef TARGET_NR_getgid | |
67867308 FB |
11285 | case TARGET_NR_getgid: |
11286 | ret = get_errno(high2lowgid(getgid())); | |
11287 | break; | |
0c866a7e RV |
11288 | #endif |
11289 | #ifdef TARGET_NR_geteuid | |
67867308 FB |
11290 | case TARGET_NR_geteuid: |
11291 | ret = get_errno(high2lowuid(geteuid())); | |
11292 | break; | |
0c866a7e RV |
11293 | #endif |
11294 | #ifdef TARGET_NR_getegid | |
67867308 FB |
11295 | case TARGET_NR_getegid: |
11296 | ret = get_errno(high2lowgid(getegid())); | |
11297 | break; | |
0c866a7e | 11298 | #endif |
67867308 FB |
11299 | case TARGET_NR_setreuid: |
11300 | ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); | |
11301 | break; | |
11302 | case TARGET_NR_setregid: | |
11303 | ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); | |
11304 | break; | |
11305 | case TARGET_NR_getgroups: | |
11306 | { | |
11307 | int gidsetsize = arg1; | |
0c866a7e | 11308 | target_id *target_grouplist; |
67867308 FB |
11309 | gid_t *grouplist; |
11310 | int i; | |
11311 | ||
11312 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
11313 | ret = get_errno(getgroups(gidsetsize, grouplist)); | |
cb3bc233 AZ |
11314 | if (gidsetsize == 0) |
11315 | break; | |
67867308 | 11316 | if (!is_error(ret)) { |
03903ffc | 11317 | target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * sizeof(target_id), 0); |
579a97f7 FB |
11318 | if (!target_grouplist) |
11319 | goto efault; | |
a2155fcc | 11320 | for(i = 0;i < ret; i++) |
0c866a7e | 11321 | target_grouplist[i] = tswapid(high2lowgid(grouplist[i])); |
03903ffc | 11322 | unlock_user(target_grouplist, arg2, gidsetsize * sizeof(target_id)); |
67867308 FB |
11323 | } |
11324 | } | |
11325 | break; | |
11326 | case TARGET_NR_setgroups: | |
11327 | { | |
11328 | int gidsetsize = arg1; | |
0c866a7e | 11329 | target_id *target_grouplist; |
f2b79ce9 | 11330 | gid_t *grouplist = NULL; |
67867308 | 11331 | int i; |
f2b79ce9 DA |
11332 | if (gidsetsize) { |
11333 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
03903ffc | 11334 | target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * sizeof(target_id), 1); |
f2b79ce9 DA |
11335 | if (!target_grouplist) { |
11336 | ret = -TARGET_EFAULT; | |
11337 | goto fail; | |
11338 | } | |
11339 | for (i = 0; i < gidsetsize; i++) { | |
11340 | grouplist[i] = low2highgid(tswapid(target_grouplist[i])); | |
11341 | } | |
11342 | unlock_user(target_grouplist, arg2, 0); | |
579a97f7 | 11343 | } |
67867308 FB |
11344 | ret = get_errno(setgroups(gidsetsize, grouplist)); |
11345 | } | |
11346 | break; | |
11347 | case TARGET_NR_fchown: | |
11348 | ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); | |
11349 | break; | |
c0d472b1 | 11350 | #if defined(TARGET_NR_fchownat) |
ccfa72b7 | 11351 | case TARGET_NR_fchownat: |
579a97f7 FB |
11352 | if (!(p = lock_user_string(arg2))) |
11353 | goto efault; | |
c0d472b1 PM |
11354 | ret = get_errno(fchownat(arg1, p, low2highuid(arg3), |
11355 | low2highgid(arg4), arg5)); | |
579a97f7 | 11356 | unlock_user(p, arg2, 0); |
ccfa72b7 TS |
11357 | break; |
11358 | #endif | |
67867308 FB |
11359 | #ifdef TARGET_NR_setresuid |
11360 | case TARGET_NR_setresuid: | |
fd6f7798 PM |
11361 | ret = get_errno(sys_setresuid(low2highuid(arg1), |
11362 | low2highuid(arg2), | |
11363 | low2highuid(arg3))); | |
67867308 FB |
11364 | break; |
11365 | #endif | |
11366 | #ifdef TARGET_NR_getresuid | |
11367 | case TARGET_NR_getresuid: | |
11368 | { | |
53a5960a | 11369 | uid_t ruid, euid, suid; |
67867308 FB |
11370 | ret = get_errno(getresuid(&ruid, &euid, &suid)); |
11371 | if (!is_error(ret)) { | |
76ca310a PM |
11372 | if (put_user_id(high2lowuid(ruid), arg1) |
11373 | || put_user_id(high2lowuid(euid), arg2) | |
11374 | || put_user_id(high2lowuid(suid), arg3)) | |
2f619698 | 11375 | goto efault; |
67867308 FB |
11376 | } |
11377 | } | |
11378 | break; | |
11379 | #endif | |
11380 | #ifdef TARGET_NR_getresgid | |
11381 | case TARGET_NR_setresgid: | |
fd6f7798 PM |
11382 | ret = get_errno(sys_setresgid(low2highgid(arg1), |
11383 | low2highgid(arg2), | |
11384 | low2highgid(arg3))); | |
67867308 FB |
11385 | break; |
11386 | #endif | |
11387 | #ifdef TARGET_NR_getresgid | |
11388 | case TARGET_NR_getresgid: | |
11389 | { | |
53a5960a | 11390 | gid_t rgid, egid, sgid; |
67867308 FB |
11391 | ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
11392 | if (!is_error(ret)) { | |
76ca310a PM |
11393 | if (put_user_id(high2lowgid(rgid), arg1) |
11394 | || put_user_id(high2lowgid(egid), arg2) | |
11395 | || put_user_id(high2lowgid(sgid), arg3)) | |
2f619698 | 11396 | goto efault; |
67867308 FB |
11397 | } |
11398 | } | |
11399 | break; | |
11400 | #endif | |
704eff6c | 11401 | #ifdef TARGET_NR_chown |
67867308 | 11402 | case TARGET_NR_chown: |
579a97f7 FB |
11403 | if (!(p = lock_user_string(arg1))) |
11404 | goto efault; | |
53a5960a PB |
11405 | ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3))); |
11406 | unlock_user(p, arg1, 0); | |
67867308 | 11407 | break; |
704eff6c | 11408 | #endif |
67867308 | 11409 | case TARGET_NR_setuid: |
fd6f7798 | 11410 | ret = get_errno(sys_setuid(low2highuid(arg1))); |
67867308 FB |
11411 | break; |
11412 | case TARGET_NR_setgid: | |
fd6f7798 | 11413 | ret = get_errno(sys_setgid(low2highgid(arg1))); |
67867308 FB |
11414 | break; |
11415 | case TARGET_NR_setfsuid: | |
11416 | ret = get_errno(setfsuid(arg1)); | |
11417 | break; | |
11418 | case TARGET_NR_setfsgid: | |
11419 | ret = get_errno(setfsgid(arg1)); | |
11420 | break; | |
67867308 | 11421 | |
a315a145 | 11422 | #ifdef TARGET_NR_lchown32 |
31e31b8a | 11423 | case TARGET_NR_lchown32: |
579a97f7 FB |
11424 | if (!(p = lock_user_string(arg1))) |
11425 | goto efault; | |
53a5960a PB |
11426 | ret = get_errno(lchown(p, arg2, arg3)); |
11427 | unlock_user(p, arg1, 0); | |
b03c60f3 | 11428 | break; |
a315a145 FB |
11429 | #endif |
11430 | #ifdef TARGET_NR_getuid32 | |
31e31b8a | 11431 | case TARGET_NR_getuid32: |
b03c60f3 FB |
11432 | ret = get_errno(getuid()); |
11433 | break; | |
a315a145 | 11434 | #endif |
64b4d28c AJ |
11435 | |
11436 | #if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA) | |
11437 | /* Alpha specific */ | |
11438 | case TARGET_NR_getxuid: | |
ba0e276d RH |
11439 | { |
11440 | uid_t euid; | |
11441 | euid=geteuid(); | |
11442 | ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid; | |
11443 | } | |
64b4d28c AJ |
11444 | ret = get_errno(getuid()); |
11445 | break; | |
11446 | #endif | |
11447 | #if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA) | |
11448 | /* Alpha specific */ | |
11449 | case TARGET_NR_getxgid: | |
ba0e276d RH |
11450 | { |
11451 | uid_t egid; | |
11452 | egid=getegid(); | |
11453 | ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid; | |
11454 | } | |
64b4d28c AJ |
11455 | ret = get_errno(getgid()); |
11456 | break; | |
11457 | #endif | |
ba0e276d RH |
11458 | #if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA) |
11459 | /* Alpha specific */ | |
11460 | case TARGET_NR_osf_getsysinfo: | |
11461 | ret = -TARGET_EOPNOTSUPP; | |
11462 | switch (arg1) { | |
11463 | case TARGET_GSI_IEEE_FP_CONTROL: | |
11464 | { | |
11465 | uint64_t swcr, fpcr = cpu_alpha_load_fpcr (cpu_env); | |
11466 | ||
11467 | /* Copied from linux ieee_fpcr_to_swcr. */ | |
11468 | swcr = (fpcr >> 35) & SWCR_STATUS_MASK; | |
11469 | swcr |= (fpcr >> 36) & SWCR_MAP_DMZ; | |
11470 | swcr |= (~fpcr >> 48) & (SWCR_TRAP_ENABLE_INV | |
11471 | | SWCR_TRAP_ENABLE_DZE | |
11472 | | SWCR_TRAP_ENABLE_OVF); | |
11473 | swcr |= (~fpcr >> 57) & (SWCR_TRAP_ENABLE_UNF | |
11474 | | SWCR_TRAP_ENABLE_INE); | |
11475 | swcr |= (fpcr >> 47) & SWCR_MAP_UMZ; | |
11476 | swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO; | |
11477 | ||
11478 | if (put_user_u64 (swcr, arg2)) | |
11479 | goto efault; | |
11480 | ret = 0; | |
11481 | } | |
11482 | break; | |
11483 | ||
11484 | /* case GSI_IEEE_STATE_AT_SIGNAL: | |
11485 | -- Not implemented in linux kernel. | |
11486 | case GSI_UACPROC: | |
11487 | -- Retrieves current unaligned access state; not much used. | |
11488 | case GSI_PROC_TYPE: | |
11489 | -- Retrieves implver information; surely not used. | |
11490 | case GSI_GET_HWRPB: | |
11491 | -- Grabs a copy of the HWRPB; surely not used. | |
11492 | */ | |
11493 | } | |
11494 | break; | |
11495 | #endif | |
11496 | #if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA) | |
11497 | /* Alpha specific */ | |
11498 | case TARGET_NR_osf_setsysinfo: | |
11499 | ret = -TARGET_EOPNOTSUPP; | |
11500 | switch (arg1) { | |
11501 | case TARGET_SSI_IEEE_FP_CONTROL: | |
ba0e276d RH |
11502 | { |
11503 | uint64_t swcr, fpcr, orig_fpcr; | |
11504 | ||
6e06d515 | 11505 | if (get_user_u64 (swcr, arg2)) { |
ba0e276d | 11506 | goto efault; |
6e06d515 RH |
11507 | } |
11508 | orig_fpcr = cpu_alpha_load_fpcr(cpu_env); | |
ba0e276d RH |
11509 | fpcr = orig_fpcr & FPCR_DYN_MASK; |
11510 | ||
11511 | /* Copied from linux ieee_swcr_to_fpcr. */ | |
11512 | fpcr |= (swcr & SWCR_STATUS_MASK) << 35; | |
11513 | fpcr |= (swcr & SWCR_MAP_DMZ) << 36; | |
11514 | fpcr |= (~swcr & (SWCR_TRAP_ENABLE_INV | |
11515 | | SWCR_TRAP_ENABLE_DZE | |
11516 | | SWCR_TRAP_ENABLE_OVF)) << 48; | |
11517 | fpcr |= (~swcr & (SWCR_TRAP_ENABLE_UNF | |
11518 | | SWCR_TRAP_ENABLE_INE)) << 57; | |
11519 | fpcr |= (swcr & SWCR_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0); | |
11520 | fpcr |= (~swcr & SWCR_TRAP_ENABLE_DNO) << 41; | |
11521 | ||
6e06d515 | 11522 | cpu_alpha_store_fpcr(cpu_env, fpcr); |
ba0e276d | 11523 | ret = 0; |
6e06d515 RH |
11524 | } |
11525 | break; | |
11526 | ||
11527 | case TARGET_SSI_IEEE_RAISE_EXCEPTION: | |
11528 | { | |
11529 | uint64_t exc, fpcr, orig_fpcr; | |
11530 | int si_code; | |
11531 | ||
11532 | if (get_user_u64(exc, arg2)) { | |
11533 | goto efault; | |
11534 | } | |
ba0e276d | 11535 | |
6e06d515 | 11536 | orig_fpcr = cpu_alpha_load_fpcr(cpu_env); |
ba0e276d | 11537 | |
6e06d515 RH |
11538 | /* We only add to the exception status here. */ |
11539 | fpcr = orig_fpcr | ((exc & SWCR_STATUS_MASK) << 35); | |
11540 | ||
11541 | cpu_alpha_store_fpcr(cpu_env, fpcr); | |
11542 | ret = 0; | |
11543 | ||
11544 | /* Old exceptions are not signaled. */ | |
11545 | fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK); | |
11546 | ||
11547 | /* If any exceptions set by this call, | |
11548 | and are unmasked, send a signal. */ | |
11549 | si_code = 0; | |
11550 | if ((fpcr & (FPCR_INE | FPCR_INED)) == FPCR_INE) { | |
11551 | si_code = TARGET_FPE_FLTRES; | |
11552 | } | |
11553 | if ((fpcr & (FPCR_UNF | FPCR_UNFD)) == FPCR_UNF) { | |
11554 | si_code = TARGET_FPE_FLTUND; | |
11555 | } | |
11556 | if ((fpcr & (FPCR_OVF | FPCR_OVFD)) == FPCR_OVF) { | |
11557 | si_code = TARGET_FPE_FLTOVF; | |
11558 | } | |
11559 | if ((fpcr & (FPCR_DZE | FPCR_DZED)) == FPCR_DZE) { | |
11560 | si_code = TARGET_FPE_FLTDIV; | |
11561 | } | |
11562 | if ((fpcr & (FPCR_INV | FPCR_INVD)) == FPCR_INV) { | |
11563 | si_code = TARGET_FPE_FLTINV; | |
11564 | } | |
11565 | if (si_code != 0) { | |
11566 | target_siginfo_t info; | |
11567 | info.si_signo = SIGFPE; | |
11568 | info.si_errno = 0; | |
11569 | info.si_code = si_code; | |
11570 | info._sifields._sigfault._addr | |
11571 | = ((CPUArchState *)cpu_env)->pc; | |
9d2803f7 PM |
11572 | queue_signal((CPUArchState *)cpu_env, info.si_signo, |
11573 | QEMU_SI_FAULT, &info); | |
ba0e276d RH |
11574 | } |
11575 | } | |
11576 | break; | |
11577 | ||
11578 | /* case SSI_NVPAIRS: | |
11579 | -- Used with SSIN_UACPROC to enable unaligned accesses. | |
11580 | case SSI_IEEE_STATE_AT_SIGNAL: | |
11581 | case SSI_IEEE_IGNORE_STATE_AT_SIGNAL: | |
11582 | -- Not implemented in linux kernel | |
11583 | */ | |
11584 | } | |
11585 | break; | |
11586 | #endif | |
11587 | #ifdef TARGET_NR_osf_sigprocmask | |
11588 | /* Alpha specific. */ | |
11589 | case TARGET_NR_osf_sigprocmask: | |
11590 | { | |
11591 | abi_ulong mask; | |
bc088ba1 | 11592 | int how; |
ba0e276d RH |
11593 | sigset_t set, oldset; |
11594 | ||
11595 | switch(arg1) { | |
11596 | case TARGET_SIG_BLOCK: | |
11597 | how = SIG_BLOCK; | |
11598 | break; | |
11599 | case TARGET_SIG_UNBLOCK: | |
11600 | how = SIG_UNBLOCK; | |
11601 | break; | |
11602 | case TARGET_SIG_SETMASK: | |
11603 | how = SIG_SETMASK; | |
11604 | break; | |
11605 | default: | |
11606 | ret = -TARGET_EINVAL; | |
11607 | goto fail; | |
11608 | } | |
11609 | mask = arg2; | |
11610 | target_to_host_old_sigset(&set, &mask); | |
3d3efba0 PM |
11611 | ret = do_sigprocmask(how, &set, &oldset); |
11612 | if (!ret) { | |
11613 | host_to_target_old_sigset(&mask, &oldset); | |
11614 | ret = mask; | |
11615 | } | |
ba0e276d RH |
11616 | } |
11617 | break; | |
11618 | #endif | |
64b4d28c | 11619 | |
a315a145 | 11620 | #ifdef TARGET_NR_getgid32 |
31e31b8a | 11621 | case TARGET_NR_getgid32: |
b03c60f3 FB |
11622 | ret = get_errno(getgid()); |
11623 | break; | |
a315a145 FB |
11624 | #endif |
11625 | #ifdef TARGET_NR_geteuid32 | |
31e31b8a | 11626 | case TARGET_NR_geteuid32: |
b03c60f3 FB |
11627 | ret = get_errno(geteuid()); |
11628 | break; | |
a315a145 FB |
11629 | #endif |
11630 | #ifdef TARGET_NR_getegid32 | |
31e31b8a | 11631 | case TARGET_NR_getegid32: |
b03c60f3 FB |
11632 | ret = get_errno(getegid()); |
11633 | break; | |
a315a145 FB |
11634 | #endif |
11635 | #ifdef TARGET_NR_setreuid32 | |
31e31b8a | 11636 | case TARGET_NR_setreuid32: |
b03c60f3 FB |
11637 | ret = get_errno(setreuid(arg1, arg2)); |
11638 | break; | |
a315a145 FB |
11639 | #endif |
11640 | #ifdef TARGET_NR_setregid32 | |
31e31b8a | 11641 | case TARGET_NR_setregid32: |
b03c60f3 FB |
11642 | ret = get_errno(setregid(arg1, arg2)); |
11643 | break; | |
a315a145 FB |
11644 | #endif |
11645 | #ifdef TARGET_NR_getgroups32 | |
31e31b8a | 11646 | case TARGET_NR_getgroups32: |
99c475ab FB |
11647 | { |
11648 | int gidsetsize = arg1; | |
53a5960a | 11649 | uint32_t *target_grouplist; |
99c475ab FB |
11650 | gid_t *grouplist; |
11651 | int i; | |
11652 | ||
11653 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
11654 | ret = get_errno(getgroups(gidsetsize, grouplist)); | |
cb3bc233 AZ |
11655 | if (gidsetsize == 0) |
11656 | break; | |
99c475ab | 11657 | if (!is_error(ret)) { |
579a97f7 FB |
11658 | target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0); |
11659 | if (!target_grouplist) { | |
11660 | ret = -TARGET_EFAULT; | |
11661 | goto fail; | |
11662 | } | |
a2155fcc | 11663 | for(i = 0;i < ret; i++) |
53a5960a PB |
11664 | target_grouplist[i] = tswap32(grouplist[i]); |
11665 | unlock_user(target_grouplist, arg2, gidsetsize * 4); | |
99c475ab FB |
11666 | } |
11667 | } | |
11668 | break; | |
a315a145 FB |
11669 | #endif |
11670 | #ifdef TARGET_NR_setgroups32 | |
31e31b8a | 11671 | case TARGET_NR_setgroups32: |
99c475ab FB |
11672 | { |
11673 | int gidsetsize = arg1; | |
53a5960a | 11674 | uint32_t *target_grouplist; |
99c475ab FB |
11675 | gid_t *grouplist; |
11676 | int i; | |
3b46e624 | 11677 | |
99c475ab | 11678 | grouplist = alloca(gidsetsize * sizeof(gid_t)); |
579a97f7 FB |
11679 | target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1); |
11680 | if (!target_grouplist) { | |
11681 | ret = -TARGET_EFAULT; | |
11682 | goto fail; | |
11683 | } | |
99c475ab | 11684 | for(i = 0;i < gidsetsize; i++) |
53a5960a PB |
11685 | grouplist[i] = tswap32(target_grouplist[i]); |
11686 | unlock_user(target_grouplist, arg2, 0); | |
99c475ab FB |
11687 | ret = get_errno(setgroups(gidsetsize, grouplist)); |
11688 | } | |
11689 | break; | |
a315a145 FB |
11690 | #endif |
11691 | #ifdef TARGET_NR_fchown32 | |
31e31b8a | 11692 | case TARGET_NR_fchown32: |
b03c60f3 FB |
11693 | ret = get_errno(fchown(arg1, arg2, arg3)); |
11694 | break; | |
a315a145 FB |
11695 | #endif |
11696 | #ifdef TARGET_NR_setresuid32 | |
31e31b8a | 11697 | case TARGET_NR_setresuid32: |
fd6f7798 | 11698 | ret = get_errno(sys_setresuid(arg1, arg2, arg3)); |
b03c60f3 | 11699 | break; |
a315a145 FB |
11700 | #endif |
11701 | #ifdef TARGET_NR_getresuid32 | |
31e31b8a | 11702 | case TARGET_NR_getresuid32: |
b03c60f3 | 11703 | { |
53a5960a | 11704 | uid_t ruid, euid, suid; |
b03c60f3 FB |
11705 | ret = get_errno(getresuid(&ruid, &euid, &suid)); |
11706 | if (!is_error(ret)) { | |
2f619698 FB |
11707 | if (put_user_u32(ruid, arg1) |
11708 | || put_user_u32(euid, arg2) | |
11709 | || put_user_u32(suid, arg3)) | |
11710 | goto efault; | |
b03c60f3 FB |
11711 | } |
11712 | } | |
11713 | break; | |
a315a145 FB |
11714 | #endif |
11715 | #ifdef TARGET_NR_setresgid32 | |
31e31b8a | 11716 | case TARGET_NR_setresgid32: |
fd6f7798 | 11717 | ret = get_errno(sys_setresgid(arg1, arg2, arg3)); |
b03c60f3 | 11718 | break; |
a315a145 FB |
11719 | #endif |
11720 | #ifdef TARGET_NR_getresgid32 | |
31e31b8a | 11721 | case TARGET_NR_getresgid32: |
b03c60f3 | 11722 | { |
53a5960a | 11723 | gid_t rgid, egid, sgid; |
b03c60f3 FB |
11724 | ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
11725 | if (!is_error(ret)) { | |
2f619698 FB |
11726 | if (put_user_u32(rgid, arg1) |
11727 | || put_user_u32(egid, arg2) | |
11728 | || put_user_u32(sgid, arg3)) | |
11729 | goto efault; | |
b03c60f3 FB |
11730 | } |
11731 | } | |
11732 | break; | |
a315a145 FB |
11733 | #endif |
11734 | #ifdef TARGET_NR_chown32 | |
31e31b8a | 11735 | case TARGET_NR_chown32: |
579a97f7 FB |
11736 | if (!(p = lock_user_string(arg1))) |
11737 | goto efault; | |
53a5960a PB |
11738 | ret = get_errno(chown(p, arg2, arg3)); |
11739 | unlock_user(p, arg1, 0); | |
b03c60f3 | 11740 | break; |
a315a145 FB |
11741 | #endif |
11742 | #ifdef TARGET_NR_setuid32 | |
31e31b8a | 11743 | case TARGET_NR_setuid32: |
fd6f7798 | 11744 | ret = get_errno(sys_setuid(arg1)); |
b03c60f3 | 11745 | break; |
a315a145 FB |
11746 | #endif |
11747 | #ifdef TARGET_NR_setgid32 | |
31e31b8a | 11748 | case TARGET_NR_setgid32: |
fd6f7798 | 11749 | ret = get_errno(sys_setgid(arg1)); |
b03c60f3 | 11750 | break; |
a315a145 FB |
11751 | #endif |
11752 | #ifdef TARGET_NR_setfsuid32 | |
31e31b8a | 11753 | case TARGET_NR_setfsuid32: |
b03c60f3 FB |
11754 | ret = get_errno(setfsuid(arg1)); |
11755 | break; | |
a315a145 FB |
11756 | #endif |
11757 | #ifdef TARGET_NR_setfsgid32 | |
31e31b8a | 11758 | case TARGET_NR_setfsgid32: |
b03c60f3 FB |
11759 | ret = get_errno(setfsgid(arg1)); |
11760 | break; | |
a315a145 | 11761 | #endif |
67867308 | 11762 | |
31e31b8a | 11763 | case TARGET_NR_pivot_root: |
b03c60f3 | 11764 | goto unimplemented; |
ffa65c3b | 11765 | #ifdef TARGET_NR_mincore |
31e31b8a | 11766 | case TARGET_NR_mincore: |
04bb9ace AJ |
11767 | { |
11768 | void *a; | |
98a3331a FSM |
11769 | ret = -TARGET_ENOMEM; |
11770 | a = lock_user(VERIFY_READ, arg1, arg2, 0); | |
11771 | if (!a) { | |
11772 | goto fail; | |
11773 | } | |
04bb9ace | 11774 | ret = -TARGET_EFAULT; |
98a3331a FSM |
11775 | p = lock_user_string(arg3); |
11776 | if (!p) { | |
04bb9ace | 11777 | goto mincore_fail; |
98a3331a | 11778 | } |
04bb9ace AJ |
11779 | ret = get_errno(mincore(a, arg2, p)); |
11780 | unlock_user(p, arg3, ret); | |
11781 | mincore_fail: | |
11782 | unlock_user(a, arg1, 0); | |
11783 | } | |
11784 | break; | |
ffa65c3b | 11785 | #endif |
408321b6 AJ |
11786 | #ifdef TARGET_NR_arm_fadvise64_64 |
11787 | case TARGET_NR_arm_fadvise64_64: | |
e0156a9d PM |
11788 | /* arm_fadvise64_64 looks like fadvise64_64 but |
11789 | * with different argument order: fd, advice, offset, len | |
11790 | * rather than the usual fd, offset, len, advice. | |
11791 | * Note that offset and len are both 64-bit so appear as | |
11792 | * pairs of 32-bit registers. | |
11793 | */ | |
11794 | ret = posix_fadvise(arg1, target_offset64(arg3, arg4), | |
11795 | target_offset64(arg5, arg6), arg2); | |
11796 | ret = -host_to_target_errno(ret); | |
11797 | break; | |
408321b6 | 11798 | #endif |
badd3cd8 PM |
11799 | |
11800 | #if TARGET_ABI_BITS == 32 | |
11801 | ||
11802 | #ifdef TARGET_NR_fadvise64_64 | |
11803 | case TARGET_NR_fadvise64_64: | |
64a563dd | 11804 | #if defined(TARGET_PPC) || defined(TARGET_XTENSA) |
43046b5a LV |
11805 | /* 6 args: fd, advice, offset (high, low), len (high, low) */ |
11806 | ret = arg2; | |
11807 | arg2 = arg3; | |
11808 | arg3 = arg4; | |
11809 | arg4 = arg5; | |
11810 | arg5 = arg6; | |
11811 | arg6 = ret; | |
11812 | #else | |
badd3cd8 | 11813 | /* 6 args: fd, offset (high, low), len (high, low), advice */ |
8bf8e9df | 11814 | if (regpairs_aligned(cpu_env, num)) { |
badd3cd8 PM |
11815 | /* offset is in (3,4), len in (5,6) and advice in 7 */ |
11816 | arg2 = arg3; | |
11817 | arg3 = arg4; | |
11818 | arg4 = arg5; | |
11819 | arg5 = arg6; | |
11820 | arg6 = arg7; | |
11821 | } | |
43046b5a | 11822 | #endif |
badd3cd8 PM |
11823 | ret = -host_to_target_errno(posix_fadvise(arg1, |
11824 | target_offset64(arg2, arg3), | |
11825 | target_offset64(arg4, arg5), | |
11826 | arg6)); | |
11827 | break; | |
11828 | #endif | |
11829 | ||
11830 | #ifdef TARGET_NR_fadvise64 | |
11831 | case TARGET_NR_fadvise64: | |
11832 | /* 5 args: fd, offset (high, low), len, advice */ | |
8bf8e9df | 11833 | if (regpairs_aligned(cpu_env, num)) { |
badd3cd8 PM |
11834 | /* offset is in (3,4), len in 5 and advice in 6 */ |
11835 | arg2 = arg3; | |
11836 | arg3 = arg4; | |
11837 | arg4 = arg5; | |
11838 | arg5 = arg6; | |
11839 | } | |
11840 | ret = -host_to_target_errno(posix_fadvise(arg1, | |
11841 | target_offset64(arg2, arg3), | |
11842 | arg4, arg5)); | |
11843 | break; | |
408321b6 | 11844 | #endif |
badd3cd8 PM |
11845 | |
11846 | #else /* not a 32-bit ABI */ | |
e0156a9d | 11847 | #if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_fadvise64) |
408321b6 AJ |
11848 | #ifdef TARGET_NR_fadvise64_64 |
11849 | case TARGET_NR_fadvise64_64: | |
11850 | #endif | |
e72d2cc7 UH |
11851 | #ifdef TARGET_NR_fadvise64 |
11852 | case TARGET_NR_fadvise64: | |
11853 | #endif | |
11854 | #ifdef TARGET_S390X | |
11855 | switch (arg4) { | |
11856 | case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */ | |
11857 | case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */ | |
11858 | case 6: arg4 = POSIX_FADV_DONTNEED; break; | |
11859 | case 7: arg4 = POSIX_FADV_NOREUSE; break; | |
11860 | default: break; | |
11861 | } | |
11862 | #endif | |
977d8241 PM |
11863 | ret = -host_to_target_errno(posix_fadvise(arg1, arg2, arg3, arg4)); |
11864 | break; | |
408321b6 | 11865 | #endif |
badd3cd8 PM |
11866 | #endif /* end of 64-bit ABI fadvise handling */ |
11867 | ||
ffa65c3b | 11868 | #ifdef TARGET_NR_madvise |
31e31b8a | 11869 | case TARGET_NR_madvise: |
24836689 | 11870 | /* A straight passthrough may not be safe because qemu sometimes |
d2d6b857 | 11871 | turns private file-backed mappings into anonymous mappings. |
24836689 PB |
11872 | This will break MADV_DONTNEED. |
11873 | This is a hint, so ignoring and returning success is ok. */ | |
11874 | ret = get_errno(0); | |
11875 | break; | |
ffa65c3b | 11876 | #endif |
992f48a0 | 11877 | #if TARGET_ABI_BITS == 32 |
31e31b8a | 11878 | case TARGET_NR_fcntl64: |
77e4672d | 11879 | { |
b1e341eb | 11880 | int cmd; |
77e4672d | 11881 | struct flock64 fl; |
213d3e9e PM |
11882 | from_flock64_fn *copyfrom = copy_from_user_flock64; |
11883 | to_flock64_fn *copyto = copy_to_user_flock64; | |
11884 | ||
ce4defa0 | 11885 | #ifdef TARGET_ARM |
7f254c5c LV |
11886 | if (!((CPUARMState *)cpu_env)->eabi) { |
11887 | copyfrom = copy_from_user_oabi_flock64; | |
11888 | copyto = copy_to_user_oabi_flock64; | |
213d3e9e | 11889 | } |
ce4defa0 | 11890 | #endif |
77e4672d | 11891 | |
5f106811 | 11892 | cmd = target_to_host_fcntl_cmd(arg2); |
31b63193 PM |
11893 | if (cmd == -TARGET_EINVAL) { |
11894 | ret = cmd; | |
11895 | break; | |
11896 | } | |
b1e341eb | 11897 | |
60cd49d5 | 11898 | switch(arg2) { |
b1e341eb | 11899 | case TARGET_F_GETLK64: |
213d3e9e PM |
11900 | ret = copyfrom(&fl, arg3); |
11901 | if (ret) { | |
11902 | break; | |
5813427b | 11903 | } |
af8ab2bf | 11904 | ret = get_errno(safe_fcntl(arg1, cmd, &fl)); |
213d3e9e PM |
11905 | if (ret == 0) { |
11906 | ret = copyto(arg3, &fl); | |
11907 | } | |
77e4672d FB |
11908 | break; |
11909 | ||
b1e341eb TS |
11910 | case TARGET_F_SETLK64: |
11911 | case TARGET_F_SETLKW64: | |
213d3e9e PM |
11912 | ret = copyfrom(&fl, arg3); |
11913 | if (ret) { | |
11914 | break; | |
ce4defa0 | 11915 | } |
435da5e7 | 11916 | ret = get_errno(safe_fcntl(arg1, cmd, &fl)); |
77e4672d | 11917 | break; |
60cd49d5 | 11918 | default: |
5f106811 | 11919 | ret = do_fcntl(arg1, arg2, arg3); |
60cd49d5 FB |
11920 | break; |
11921 | } | |
77e4672d FB |
11922 | break; |
11923 | } | |
60cd49d5 | 11924 | #endif |
7d600c80 TS |
11925 | #ifdef TARGET_NR_cacheflush |
11926 | case TARGET_NR_cacheflush: | |
11927 | /* self-modifying code is handled automatically, so nothing needed */ | |
11928 | ret = 0; | |
11929 | break; | |
11930 | #endif | |
ebc05488 | 11931 | #ifdef TARGET_NR_security |
31e31b8a FB |
11932 | case TARGET_NR_security: |
11933 | goto unimplemented; | |
c573ff67 FB |
11934 | #endif |
11935 | #ifdef TARGET_NR_getpagesize | |
11936 | case TARGET_NR_getpagesize: | |
11937 | ret = TARGET_PAGE_SIZE; | |
11938 | break; | |
ebc05488 | 11939 | #endif |
31e31b8a FB |
11940 | case TARGET_NR_gettid: |
11941 | ret = get_errno(gettid()); | |
11942 | break; | |
e5febef5 | 11943 | #ifdef TARGET_NR_readahead |
31e31b8a | 11944 | case TARGET_NR_readahead: |
2054ac9b | 11945 | #if TARGET_ABI_BITS == 32 |
8bf8e9df | 11946 | if (regpairs_aligned(cpu_env, num)) { |
2054ac9b AJ |
11947 | arg2 = arg3; |
11948 | arg3 = arg4; | |
11949 | arg4 = arg5; | |
11950 | } | |
77c6850f | 11951 | ret = get_errno(readahead(arg1, target_offset64(arg2, arg3) , arg4)); |
2054ac9b AJ |
11952 | #else |
11953 | ret = get_errno(readahead(arg1, arg2, arg3)); | |
11954 | #endif | |
11955 | break; | |
e5febef5 | 11956 | #endif |
a790ae38 | 11957 | #ifdef CONFIG_ATTR |
ebc05488 | 11958 | #ifdef TARGET_NR_setxattr |
31e31b8a FB |
11959 | case TARGET_NR_listxattr: |
11960 | case TARGET_NR_llistxattr: | |
fb5590f7 PM |
11961 | { |
11962 | void *p, *b = 0; | |
11963 | if (arg2) { | |
11964 | b = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
11965 | if (!b) { | |
11966 | ret = -TARGET_EFAULT; | |
11967 | break; | |
11968 | } | |
11969 | } | |
11970 | p = lock_user_string(arg1); | |
11971 | if (p) { | |
11972 | if (num == TARGET_NR_listxattr) { | |
11973 | ret = get_errno(listxattr(p, b, arg3)); | |
11974 | } else { | |
11975 | ret = get_errno(llistxattr(p, b, arg3)); | |
11976 | } | |
11977 | } else { | |
11978 | ret = -TARGET_EFAULT; | |
11979 | } | |
11980 | unlock_user(p, arg1, 0); | |
11981 | unlock_user(b, arg2, arg3); | |
11982 | break; | |
11983 | } | |
31e31b8a | 11984 | case TARGET_NR_flistxattr: |
fb5590f7 PM |
11985 | { |
11986 | void *b = 0; | |
11987 | if (arg2) { | |
11988 | b = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
11989 | if (!b) { | |
11990 | ret = -TARGET_EFAULT; | |
11991 | break; | |
11992 | } | |
11993 | } | |
11994 | ret = get_errno(flistxattr(arg1, b, arg3)); | |
11995 | unlock_user(b, arg2, arg3); | |
6f932f91 | 11996 | break; |
fb5590f7 | 11997 | } |
a790ae38 | 11998 | case TARGET_NR_setxattr: |
30297b55 | 11999 | case TARGET_NR_lsetxattr: |
a790ae38 | 12000 | { |
e3c33ec6 PM |
12001 | void *p, *n, *v = 0; |
12002 | if (arg3) { | |
12003 | v = lock_user(VERIFY_READ, arg3, arg4, 1); | |
12004 | if (!v) { | |
12005 | ret = -TARGET_EFAULT; | |
12006 | break; | |
12007 | } | |
12008 | } | |
a790ae38 ACH |
12009 | p = lock_user_string(arg1); |
12010 | n = lock_user_string(arg2); | |
e3c33ec6 | 12011 | if (p && n) { |
30297b55 PM |
12012 | if (num == TARGET_NR_setxattr) { |
12013 | ret = get_errno(setxattr(p, n, v, arg4, arg5)); | |
12014 | } else { | |
12015 | ret = get_errno(lsetxattr(p, n, v, arg4, arg5)); | |
12016 | } | |
a790ae38 ACH |
12017 | } else { |
12018 | ret = -TARGET_EFAULT; | |
12019 | } | |
12020 | unlock_user(p, arg1, 0); | |
12021 | unlock_user(n, arg2, 0); | |
12022 | unlock_user(v, arg3, 0); | |
12023 | } | |
12024 | break; | |
30297b55 PM |
12025 | case TARGET_NR_fsetxattr: |
12026 | { | |
12027 | void *n, *v = 0; | |
12028 | if (arg3) { | |
12029 | v = lock_user(VERIFY_READ, arg3, arg4, 1); | |
12030 | if (!v) { | |
12031 | ret = -TARGET_EFAULT; | |
12032 | break; | |
12033 | } | |
12034 | } | |
12035 | n = lock_user_string(arg2); | |
12036 | if (n) { | |
12037 | ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5)); | |
12038 | } else { | |
12039 | ret = -TARGET_EFAULT; | |
12040 | } | |
12041 | unlock_user(n, arg2, 0); | |
12042 | unlock_user(v, arg3, 0); | |
12043 | } | |
12044 | break; | |
a790ae38 | 12045 | case TARGET_NR_getxattr: |
30297b55 | 12046 | case TARGET_NR_lgetxattr: |
a790ae38 | 12047 | { |
e3c33ec6 PM |
12048 | void *p, *n, *v = 0; |
12049 | if (arg3) { | |
12050 | v = lock_user(VERIFY_WRITE, arg3, arg4, 0); | |
12051 | if (!v) { | |
12052 | ret = -TARGET_EFAULT; | |
12053 | break; | |
12054 | } | |
12055 | } | |
a790ae38 ACH |
12056 | p = lock_user_string(arg1); |
12057 | n = lock_user_string(arg2); | |
e3c33ec6 | 12058 | if (p && n) { |
30297b55 PM |
12059 | if (num == TARGET_NR_getxattr) { |
12060 | ret = get_errno(getxattr(p, n, v, arg4)); | |
12061 | } else { | |
12062 | ret = get_errno(lgetxattr(p, n, v, arg4)); | |
12063 | } | |
a790ae38 ACH |
12064 | } else { |
12065 | ret = -TARGET_EFAULT; | |
12066 | } | |
12067 | unlock_user(p, arg1, 0); | |
12068 | unlock_user(n, arg2, 0); | |
12069 | unlock_user(v, arg3, arg4); | |
12070 | } | |
12071 | break; | |
30297b55 PM |
12072 | case TARGET_NR_fgetxattr: |
12073 | { | |
12074 | void *n, *v = 0; | |
12075 | if (arg3) { | |
12076 | v = lock_user(VERIFY_WRITE, arg3, arg4, 0); | |
12077 | if (!v) { | |
12078 | ret = -TARGET_EFAULT; | |
12079 | break; | |
12080 | } | |
12081 | } | |
12082 | n = lock_user_string(arg2); | |
12083 | if (n) { | |
12084 | ret = get_errno(fgetxattr(arg1, n, v, arg4)); | |
12085 | } else { | |
12086 | ret = -TARGET_EFAULT; | |
12087 | } | |
12088 | unlock_user(n, arg2, 0); | |
12089 | unlock_user(v, arg3, arg4); | |
12090 | } | |
12091 | break; | |
a790ae38 | 12092 | case TARGET_NR_removexattr: |
30297b55 | 12093 | case TARGET_NR_lremovexattr: |
a790ae38 ACH |
12094 | { |
12095 | void *p, *n; | |
12096 | p = lock_user_string(arg1); | |
12097 | n = lock_user_string(arg2); | |
12098 | if (p && n) { | |
30297b55 PM |
12099 | if (num == TARGET_NR_removexattr) { |
12100 | ret = get_errno(removexattr(p, n)); | |
12101 | } else { | |
12102 | ret = get_errno(lremovexattr(p, n)); | |
12103 | } | |
a790ae38 ACH |
12104 | } else { |
12105 | ret = -TARGET_EFAULT; | |
12106 | } | |
12107 | unlock_user(p, arg1, 0); | |
12108 | unlock_user(n, arg2, 0); | |
12109 | } | |
12110 | break; | |
30297b55 PM |
12111 | case TARGET_NR_fremovexattr: |
12112 | { | |
12113 | void *n; | |
12114 | n = lock_user_string(arg2); | |
12115 | if (n) { | |
12116 | ret = get_errno(fremovexattr(arg1, n)); | |
12117 | } else { | |
12118 | ret = -TARGET_EFAULT; | |
12119 | } | |
12120 | unlock_user(n, arg2, 0); | |
12121 | } | |
12122 | break; | |
ebc05488 | 12123 | #endif |
a790ae38 | 12124 | #endif /* CONFIG_ATTR */ |
ebc05488 | 12125 | #ifdef TARGET_NR_set_thread_area |
5cd4393b | 12126 | case TARGET_NR_set_thread_area: |
8d18e893 | 12127 | #if defined(TARGET_MIPS) |
d279279e | 12128 | ((CPUMIPSState *) cpu_env)->active_tc.CP0_UserLocal = arg1; |
6f5b89a0 TS |
12129 | ret = 0; |
12130 | break; | |
ef96779b EI |
12131 | #elif defined(TARGET_CRIS) |
12132 | if (arg1 & 0xff) | |
12133 | ret = -TARGET_EINVAL; | |
12134 | else { | |
12135 | ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1; | |
12136 | ret = 0; | |
12137 | } | |
12138 | break; | |
8d18e893 FB |
12139 | #elif defined(TARGET_I386) && defined(TARGET_ABI32) |
12140 | ret = do_set_thread_area(cpu_env, arg1); | |
12141 | break; | |
1ccd9374 PM |
12142 | #elif defined(TARGET_M68K) |
12143 | { | |
0429a971 | 12144 | TaskState *ts = cpu->opaque; |
1ccd9374 | 12145 | ts->tp_value = arg1; |
95c1eb19 | 12146 | ret = 0; |
1ccd9374 PM |
12147 | break; |
12148 | } | |
6f5b89a0 TS |
12149 | #else |
12150 | goto unimplemented_nowarn; | |
12151 | #endif | |
12152 | #endif | |
12153 | #ifdef TARGET_NR_get_thread_area | |
5cd4393b | 12154 | case TARGET_NR_get_thread_area: |
8d18e893 FB |
12155 | #if defined(TARGET_I386) && defined(TARGET_ABI32) |
12156 | ret = do_get_thread_area(cpu_env, arg1); | |
d312bbe1 | 12157 | break; |
1ccd9374 PM |
12158 | #elif defined(TARGET_M68K) |
12159 | { | |
0429a971 | 12160 | TaskState *ts = cpu->opaque; |
1ccd9374 PM |
12161 | ret = ts->tp_value; |
12162 | break; | |
12163 | } | |
8d18e893 | 12164 | #else |
5cd4393b | 12165 | goto unimplemented_nowarn; |
48dc41eb | 12166 | #endif |
8d18e893 | 12167 | #endif |
48dc41eb FB |
12168 | #ifdef TARGET_NR_getdomainname |
12169 | case TARGET_NR_getdomainname: | |
12170 | goto unimplemented_nowarn; | |
ebc05488 | 12171 | #endif |
6f5b89a0 | 12172 | |
12e3340c MF |
12173 | #ifdef TARGET_NR_clock_settime |
12174 | case TARGET_NR_clock_settime: | |
12175 | { | |
12176 | struct timespec ts; | |
12177 | ||
12178 | ret = target_to_host_timespec(&ts, arg2); | |
12179 | if (!is_error(ret)) { | |
12180 | ret = get_errno(clock_settime(arg1, &ts)); | |
12181 | } | |
12182 | break; | |
12183 | } | |
12184 | #endif | |
b5906f95 TS |
12185 | #ifdef TARGET_NR_clock_gettime |
12186 | case TARGET_NR_clock_gettime: | |
12187 | { | |
12188 | struct timespec ts; | |
12189 | ret = get_errno(clock_gettime(arg1, &ts)); | |
12190 | if (!is_error(ret)) { | |
b9f9908e | 12191 | ret = host_to_target_timespec(arg2, &ts); |
b5906f95 TS |
12192 | } |
12193 | break; | |
12194 | } | |
12195 | #endif | |
12196 | #ifdef TARGET_NR_clock_getres | |
12197 | case TARGET_NR_clock_getres: | |
12198 | { | |
12199 | struct timespec ts; | |
12200 | ret = get_errno(clock_getres(arg1, &ts)); | |
12201 | if (!is_error(ret)) { | |
12202 | host_to_target_timespec(arg2, &ts); | |
12203 | } | |
12204 | break; | |
12205 | } | |
12206 | #endif | |
63d7651b PB |
12207 | #ifdef TARGET_NR_clock_nanosleep |
12208 | case TARGET_NR_clock_nanosleep: | |
12209 | { | |
12210 | struct timespec ts; | |
12211 | target_to_host_timespec(&ts, arg3); | |
9e518226 PM |
12212 | ret = get_errno(safe_clock_nanosleep(arg1, arg2, |
12213 | &ts, arg4 ? &ts : NULL)); | |
63d7651b PB |
12214 | if (arg4) |
12215 | host_to_target_timespec(arg4, &ts); | |
8fbe8fdf TM |
12216 | |
12217 | #if defined(TARGET_PPC) | |
12218 | /* clock_nanosleep is odd in that it returns positive errno values. | |
12219 | * On PPC, CR0 bit 3 should be set in such a situation. */ | |
9e518226 | 12220 | if (ret && ret != -TARGET_ERESTARTSYS) { |
8fbe8fdf TM |
12221 | ((CPUPPCState *)cpu_env)->crf[0] |= 1; |
12222 | } | |
12223 | #endif | |
63d7651b PB |
12224 | break; |
12225 | } | |
12226 | #endif | |
b5906f95 | 12227 | |
6f5b89a0 TS |
12228 | #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) |
12229 | case TARGET_NR_set_tid_address: | |
579a97f7 FB |
12230 | ret = get_errno(set_tid_address((int *)g2h(arg1))); |
12231 | break; | |
6f5b89a0 TS |
12232 | #endif |
12233 | ||
4cae1d16 | 12234 | case TARGET_NR_tkill: |
bef653d9 | 12235 | ret = get_errno(safe_tkill((int)arg1, target_to_host_signal(arg2))); |
4cae1d16 | 12236 | break; |
4cae1d16 | 12237 | |
71455574 | 12238 | case TARGET_NR_tgkill: |
bef653d9 | 12239 | ret = get_errno(safe_tgkill((int)arg1, (int)arg2, |
4cb05961 | 12240 | target_to_host_signal(arg3))); |
bef653d9 | 12241 | break; |
71455574 | 12242 | |
4f2b1fe8 TS |
12243 | #ifdef TARGET_NR_set_robust_list |
12244 | case TARGET_NR_set_robust_list: | |
e9a970a8 PM |
12245 | case TARGET_NR_get_robust_list: |
12246 | /* The ABI for supporting robust futexes has userspace pass | |
12247 | * the kernel a pointer to a linked list which is updated by | |
12248 | * userspace after the syscall; the list is walked by the kernel | |
12249 | * when the thread exits. Since the linked list in QEMU guest | |
12250 | * memory isn't a valid linked list for the host and we have | |
12251 | * no way to reliably intercept the thread-death event, we can't | |
12252 | * support these. Silently return ENOSYS so that guest userspace | |
12253 | * falls back to a non-robust futex implementation (which should | |
12254 | * be OK except in the corner case of the guest crashing while | |
12255 | * holding a mutex that is shared with another process via | |
12256 | * shared memory). | |
12257 | */ | |
12258 | goto unimplemented_nowarn; | |
4f2b1fe8 TS |
12259 | #endif |
12260 | ||
1acae9f2 | 12261 | #if defined(TARGET_NR_utimensat) |
9007f0ef TS |
12262 | case TARGET_NR_utimensat: |
12263 | { | |
ebc996f3 RV |
12264 | struct timespec *tsp, ts[2]; |
12265 | if (!arg3) { | |
12266 | tsp = NULL; | |
12267 | } else { | |
12268 | target_to_host_timespec(ts, arg3); | |
12269 | target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec)); | |
12270 | tsp = ts; | |
12271 | } | |
9007f0ef | 12272 | if (!arg2) |
ebc996f3 | 12273 | ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4)); |
9007f0ef | 12274 | else { |
579a97f7 | 12275 | if (!(p = lock_user_string(arg2))) { |
0da46a6e | 12276 | ret = -TARGET_EFAULT; |
579a97f7 FB |
12277 | goto fail; |
12278 | } | |
ebc996f3 | 12279 | ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4)); |
579a97f7 | 12280 | unlock_user(p, arg2, 0); |
9007f0ef TS |
12281 | } |
12282 | } | |
12283 | break; | |
12284 | #endif | |
bd0c5661 PB |
12285 | case TARGET_NR_futex: |
12286 | ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6); | |
12287 | break; | |
dbfe4c36 | 12288 | #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init) |
39b59763 AJ |
12289 | case TARGET_NR_inotify_init: |
12290 | ret = get_errno(sys_inotify_init()); | |
b929f7e5 PMD |
12291 | if (ret >= 0) { |
12292 | fd_trans_register(ret, &target_inotify_trans); | |
12293 | } | |
39b59763 AJ |
12294 | break; |
12295 | #endif | |
a1606b0b | 12296 | #ifdef CONFIG_INOTIFY1 |
c05c7a73 RV |
12297 | #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1) |
12298 | case TARGET_NR_inotify_init1: | |
fea243e9 LD |
12299 | ret = get_errno(sys_inotify_init1(target_to_host_bitmask(arg1, |
12300 | fcntl_flags_tbl))); | |
b929f7e5 PMD |
12301 | if (ret >= 0) { |
12302 | fd_trans_register(ret, &target_inotify_trans); | |
12303 | } | |
c05c7a73 RV |
12304 | break; |
12305 | #endif | |
a1606b0b | 12306 | #endif |
dbfe4c36 | 12307 | #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch) |
39b59763 AJ |
12308 | case TARGET_NR_inotify_add_watch: |
12309 | p = lock_user_string(arg2); | |
12310 | ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3)); | |
12311 | unlock_user(p, arg2, 0); | |
12312 | break; | |
12313 | #endif | |
dbfe4c36 | 12314 | #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch) |
39b59763 AJ |
12315 | case TARGET_NR_inotify_rm_watch: |
12316 | ret = get_errno(sys_inotify_rm_watch(arg1, arg2)); | |
12317 | break; | |
12318 | #endif | |
9007f0ef | 12319 | |
8ec9cf89 | 12320 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
24e1003a AJ |
12321 | case TARGET_NR_mq_open: |
12322 | { | |
c7536ab6 | 12323 | struct mq_attr posix_mq_attr; |
26400775 | 12324 | struct mq_attr *pposix_mq_attr; |
c7536ab6 | 12325 | int host_flags; |
24e1003a | 12326 | |
c7536ab6 | 12327 | host_flags = target_to_host_bitmask(arg2, fcntl_flags_tbl); |
26400775 LD |
12328 | pposix_mq_attr = NULL; |
12329 | if (arg4) { | |
12330 | if (copy_from_user_mq_attr(&posix_mq_attr, arg4) != 0) { | |
12331 | goto efault; | |
12332 | } | |
12333 | pposix_mq_attr = &posix_mq_attr; | |
c7536ab6 | 12334 | } |
24e1003a | 12335 | p = lock_user_string(arg1 - 1); |
c7536ab6 AM |
12336 | if (!p) { |
12337 | goto efault; | |
b6ce1f6b | 12338 | } |
26400775 | 12339 | ret = get_errno(mq_open(p, host_flags, arg3, pposix_mq_attr)); |
24e1003a AJ |
12340 | unlock_user (p, arg1, 0); |
12341 | } | |
12342 | break; | |
12343 | ||
12344 | case TARGET_NR_mq_unlink: | |
12345 | p = lock_user_string(arg1 - 1); | |
3211215e PM |
12346 | if (!p) { |
12347 | ret = -TARGET_EFAULT; | |
12348 | break; | |
12349 | } | |
24e1003a AJ |
12350 | ret = get_errno(mq_unlink(p)); |
12351 | unlock_user (p, arg1, 0); | |
12352 | break; | |
12353 | ||
12354 | case TARGET_NR_mq_timedsend: | |
12355 | { | |
12356 | struct timespec ts; | |
12357 | ||
12358 | p = lock_user (VERIFY_READ, arg2, arg3, 1); | |
12359 | if (arg5 != 0) { | |
12360 | target_to_host_timespec(&ts, arg5); | |
d40ecd66 | 12361 | ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, &ts)); |
24e1003a | 12362 | host_to_target_timespec(arg5, &ts); |
d40ecd66 PM |
12363 | } else { |
12364 | ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, NULL)); | |
24e1003a | 12365 | } |
24e1003a AJ |
12366 | unlock_user (p, arg2, arg3); |
12367 | } | |
12368 | break; | |
12369 | ||
12370 | case TARGET_NR_mq_timedreceive: | |
12371 | { | |
12372 | struct timespec ts; | |
12373 | unsigned int prio; | |
12374 | ||
12375 | p = lock_user (VERIFY_READ, arg2, arg3, 1); | |
12376 | if (arg5 != 0) { | |
12377 | target_to_host_timespec(&ts, arg5); | |
d40ecd66 PM |
12378 | ret = get_errno(safe_mq_timedreceive(arg1, p, arg3, |
12379 | &prio, &ts)); | |
24e1003a | 12380 | host_to_target_timespec(arg5, &ts); |
d40ecd66 PM |
12381 | } else { |
12382 | ret = get_errno(safe_mq_timedreceive(arg1, p, arg3, | |
12383 | &prio, NULL)); | |
24e1003a | 12384 | } |
24e1003a AJ |
12385 | unlock_user (p, arg2, arg3); |
12386 | if (arg4 != 0) | |
12387 | put_user_u32(prio, arg4); | |
12388 | } | |
12389 | break; | |
12390 | ||
12391 | /* Not implemented for now... */ | |
12392 | /* case TARGET_NR_mq_notify: */ | |
12393 | /* break; */ | |
12394 | ||
12395 | case TARGET_NR_mq_getsetattr: | |
12396 | { | |
12397 | struct mq_attr posix_mq_attr_in, posix_mq_attr_out; | |
12398 | ret = 0; | |
24e1003a AJ |
12399 | if (arg2 != 0) { |
12400 | copy_from_user_mq_attr(&posix_mq_attr_in, arg2); | |
a23ea409 MF |
12401 | ret = get_errno(mq_setattr(arg1, &posix_mq_attr_in, |
12402 | &posix_mq_attr_out)); | |
12403 | } else if (arg3 != 0) { | |
12404 | ret = get_errno(mq_getattr(arg1, &posix_mq_attr_out)); | |
12405 | } | |
12406 | if (ret == 0 && arg3 != 0) { | |
12407 | copy_to_user_mq_attr(arg3, &posix_mq_attr_out); | |
24e1003a | 12408 | } |
24e1003a AJ |
12409 | } |
12410 | break; | |
12411 | #endif | |
12412 | ||
3ce34dfb VS |
12413 | #ifdef CONFIG_SPLICE |
12414 | #ifdef TARGET_NR_tee | |
12415 | case TARGET_NR_tee: | |
12416 | { | |
12417 | ret = get_errno(tee(arg1,arg2,arg3,arg4)); | |
12418 | } | |
12419 | break; | |
12420 | #endif | |
12421 | #ifdef TARGET_NR_splice | |
12422 | case TARGET_NR_splice: | |
12423 | { | |
12424 | loff_t loff_in, loff_out; | |
12425 | loff_t *ploff_in = NULL, *ploff_out = NULL; | |
17644b36 AS |
12426 | if (arg2) { |
12427 | if (get_user_u64(loff_in, arg2)) { | |
12428 | goto efault; | |
12429 | } | |
3ce34dfb VS |
12430 | ploff_in = &loff_in; |
12431 | } | |
17644b36 AS |
12432 | if (arg4) { |
12433 | if (get_user_u64(loff_out, arg4)) { | |
12434 | goto efault; | |
12435 | } | |
3ce34dfb VS |
12436 | ploff_out = &loff_out; |
12437 | } | |
12438 | ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6)); | |
17644b36 AS |
12439 | if (arg2) { |
12440 | if (put_user_u64(loff_in, arg2)) { | |
12441 | goto efault; | |
12442 | } | |
12443 | } | |
12444 | if (arg4) { | |
12445 | if (put_user_u64(loff_out, arg4)) { | |
12446 | goto efault; | |
12447 | } | |
12448 | } | |
3ce34dfb VS |
12449 | } |
12450 | break; | |
12451 | #endif | |
12452 | #ifdef TARGET_NR_vmsplice | |
12453 | case TARGET_NR_vmsplice: | |
12454 | { | |
f287b2c2 RH |
12455 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); |
12456 | if (vec != NULL) { | |
12457 | ret = get_errno(vmsplice(arg1, vec, arg3, arg4)); | |
12458 | unlock_iovec(vec, arg2, arg3, 0); | |
12459 | } else { | |
12460 | ret = -host_to_target_errno(errno); | |
12461 | } | |
3ce34dfb VS |
12462 | } |
12463 | break; | |
12464 | #endif | |
12465 | #endif /* CONFIG_SPLICE */ | |
c2882b96 RV |
12466 | #ifdef CONFIG_EVENTFD |
12467 | #if defined(TARGET_NR_eventfd) | |
12468 | case TARGET_NR_eventfd: | |
12469 | ret = get_errno(eventfd(arg1, 0)); | |
b929f7e5 PMD |
12470 | if (ret >= 0) { |
12471 | fd_trans_register(ret, &target_eventfd_trans); | |
12472 | } | |
c2882b96 RV |
12473 | break; |
12474 | #endif | |
12475 | #if defined(TARGET_NR_eventfd2) | |
12476 | case TARGET_NR_eventfd2: | |
5947c697 PJ |
12477 | { |
12478 | int host_flags = arg2 & (~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC)); | |
12479 | if (arg2 & TARGET_O_NONBLOCK) { | |
12480 | host_flags |= O_NONBLOCK; | |
12481 | } | |
12482 | if (arg2 & TARGET_O_CLOEXEC) { | |
12483 | host_flags |= O_CLOEXEC; | |
12484 | } | |
12485 | ret = get_errno(eventfd(arg1, host_flags)); | |
b929f7e5 PMD |
12486 | if (ret >= 0) { |
12487 | fd_trans_register(ret, &target_eventfd_trans); | |
12488 | } | |
c2882b96 | 12489 | break; |
5947c697 | 12490 | } |
c2882b96 RV |
12491 | #endif |
12492 | #endif /* CONFIG_EVENTFD */ | |
d0927938 UH |
12493 | #if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate) |
12494 | case TARGET_NR_fallocate: | |
20249ae1 AG |
12495 | #if TARGET_ABI_BITS == 32 |
12496 | ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4), | |
12497 | target_offset64(arg5, arg6))); | |
12498 | #else | |
d0927938 | 12499 | ret = get_errno(fallocate(arg1, arg2, arg3, arg4)); |
20249ae1 | 12500 | #endif |
d0927938 | 12501 | break; |
c727f47d PM |
12502 | #endif |
12503 | #if defined(CONFIG_SYNC_FILE_RANGE) | |
12504 | #if defined(TARGET_NR_sync_file_range) | |
12505 | case TARGET_NR_sync_file_range: | |
12506 | #if TARGET_ABI_BITS == 32 | |
bfcedc57 RV |
12507 | #if defined(TARGET_MIPS) |
12508 | ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4), | |
12509 | target_offset64(arg5, arg6), arg7)); | |
12510 | #else | |
c727f47d PM |
12511 | ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3), |
12512 | target_offset64(arg4, arg5), arg6)); | |
bfcedc57 | 12513 | #endif /* !TARGET_MIPS */ |
c727f47d PM |
12514 | #else |
12515 | ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4)); | |
12516 | #endif | |
12517 | break; | |
12518 | #endif | |
12519 | #if defined(TARGET_NR_sync_file_range2) | |
12520 | case TARGET_NR_sync_file_range2: | |
12521 | /* This is like sync_file_range but the arguments are reordered */ | |
12522 | #if TARGET_ABI_BITS == 32 | |
12523 | ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4), | |
12524 | target_offset64(arg5, arg6), arg2)); | |
12525 | #else | |
12526 | ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2)); | |
12527 | #endif | |
12528 | break; | |
12529 | #endif | |
3b6edd16 | 12530 | #endif |
e36800c9 LV |
12531 | #if defined(TARGET_NR_signalfd4) |
12532 | case TARGET_NR_signalfd4: | |
12533 | ret = do_signalfd4(arg1, arg2, arg4); | |
12534 | break; | |
12535 | #endif | |
12536 | #if defined(TARGET_NR_signalfd) | |
12537 | case TARGET_NR_signalfd: | |
12538 | ret = do_signalfd4(arg1, arg2, 0); | |
12539 | break; | |
12540 | #endif | |
3b6edd16 PM |
12541 | #if defined(CONFIG_EPOLL) |
12542 | #if defined(TARGET_NR_epoll_create) | |
12543 | case TARGET_NR_epoll_create: | |
12544 | ret = get_errno(epoll_create(arg1)); | |
12545 | break; | |
12546 | #endif | |
12547 | #if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1) | |
12548 | case TARGET_NR_epoll_create1: | |
12549 | ret = get_errno(epoll_create1(arg1)); | |
12550 | break; | |
12551 | #endif | |
12552 | #if defined(TARGET_NR_epoll_ctl) | |
12553 | case TARGET_NR_epoll_ctl: | |
12554 | { | |
12555 | struct epoll_event ep; | |
12556 | struct epoll_event *epp = 0; | |
12557 | if (arg4) { | |
12558 | struct target_epoll_event *target_ep; | |
12559 | if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) { | |
12560 | goto efault; | |
12561 | } | |
12562 | ep.events = tswap32(target_ep->events); | |
12563 | /* The epoll_data_t union is just opaque data to the kernel, | |
12564 | * so we transfer all 64 bits across and need not worry what | |
12565 | * actual data type it is. | |
12566 | */ | |
12567 | ep.data.u64 = tswap64(target_ep->data.u64); | |
12568 | unlock_user_struct(target_ep, arg4, 0); | |
12569 | epp = &ep; | |
12570 | } | |
12571 | ret = get_errno(epoll_ctl(arg1, arg2, arg3, epp)); | |
12572 | break; | |
12573 | } | |
12574 | #endif | |
12575 | ||
227f0214 | 12576 | #if defined(TARGET_NR_epoll_wait) || defined(TARGET_NR_epoll_pwait) |
3b6edd16 PM |
12577 | #if defined(TARGET_NR_epoll_wait) |
12578 | case TARGET_NR_epoll_wait: | |
12579 | #endif | |
227f0214 | 12580 | #if defined(TARGET_NR_epoll_pwait) |
3b6edd16 PM |
12581 | case TARGET_NR_epoll_pwait: |
12582 | #endif | |
12583 | { | |
12584 | struct target_epoll_event *target_ep; | |
12585 | struct epoll_event *ep; | |
12586 | int epfd = arg1; | |
12587 | int maxevents = arg3; | |
12588 | int timeout = arg4; | |
12589 | ||
2ba7fae3 PM |
12590 | if (maxevents <= 0 || maxevents > TARGET_EP_MAX_EVENTS) { |
12591 | ret = -TARGET_EINVAL; | |
12592 | break; | |
12593 | } | |
12594 | ||
3b6edd16 PM |
12595 | target_ep = lock_user(VERIFY_WRITE, arg2, |
12596 | maxevents * sizeof(struct target_epoll_event), 1); | |
12597 | if (!target_ep) { | |
12598 | goto efault; | |
12599 | } | |
12600 | ||
04c95f4d PM |
12601 | ep = g_try_new(struct epoll_event, maxevents); |
12602 | if (!ep) { | |
12603 | unlock_user(target_ep, arg2, 0); | |
12604 | ret = -TARGET_ENOMEM; | |
12605 | break; | |
12606 | } | |
3b6edd16 PM |
12607 | |
12608 | switch (num) { | |
227f0214 | 12609 | #if defined(TARGET_NR_epoll_pwait) |
3b6edd16 PM |
12610 | case TARGET_NR_epoll_pwait: |
12611 | { | |
12612 | target_sigset_t *target_set; | |
12613 | sigset_t _set, *set = &_set; | |
12614 | ||
12615 | if (arg5) { | |
c815701e PM |
12616 | if (arg6 != sizeof(target_sigset_t)) { |
12617 | ret = -TARGET_EINVAL; | |
12618 | break; | |
12619 | } | |
12620 | ||
3b6edd16 PM |
12621 | target_set = lock_user(VERIFY_READ, arg5, |
12622 | sizeof(target_sigset_t), 1); | |
12623 | if (!target_set) { | |
04c95f4d PM |
12624 | ret = -TARGET_EFAULT; |
12625 | break; | |
3b6edd16 PM |
12626 | } |
12627 | target_to_host_sigset(set, target_set); | |
12628 | unlock_user(target_set, arg5, 0); | |
12629 | } else { | |
12630 | set = NULL; | |
12631 | } | |
12632 | ||
227f0214 PM |
12633 | ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout, |
12634 | set, SIGSET_T_SIZE)); | |
3b6edd16 PM |
12635 | break; |
12636 | } | |
12637 | #endif | |
12638 | #if defined(TARGET_NR_epoll_wait) | |
12639 | case TARGET_NR_epoll_wait: | |
227f0214 PM |
12640 | ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout, |
12641 | NULL, 0)); | |
3b6edd16 PM |
12642 | break; |
12643 | #endif | |
12644 | default: | |
12645 | ret = -TARGET_ENOSYS; | |
12646 | } | |
12647 | if (!is_error(ret)) { | |
12648 | int i; | |
12649 | for (i = 0; i < ret; i++) { | |
12650 | target_ep[i].events = tswap32(ep[i].events); | |
12651 | target_ep[i].data.u64 = tswap64(ep[i].data.u64); | |
12652 | } | |
04c95f4d PM |
12653 | unlock_user(target_ep, arg2, |
12654 | ret * sizeof(struct target_epoll_event)); | |
12655 | } else { | |
12656 | unlock_user(target_ep, arg2, 0); | |
3b6edd16 | 12657 | } |
04c95f4d | 12658 | g_free(ep); |
3b6edd16 PM |
12659 | break; |
12660 | } | |
12661 | #endif | |
163a05a8 PM |
12662 | #endif |
12663 | #ifdef TARGET_NR_prlimit64 | |
12664 | case TARGET_NR_prlimit64: | |
12665 | { | |
12666 | /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */ | |
12667 | struct target_rlimit64 *target_rnew, *target_rold; | |
12668 | struct host_rlimit64 rnew, rold, *rnewp = 0; | |
95018018 | 12669 | int resource = target_to_host_resource(arg2); |
163a05a8 PM |
12670 | if (arg3) { |
12671 | if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) { | |
12672 | goto efault; | |
12673 | } | |
12674 | rnew.rlim_cur = tswap64(target_rnew->rlim_cur); | |
12675 | rnew.rlim_max = tswap64(target_rnew->rlim_max); | |
12676 | unlock_user_struct(target_rnew, arg3, 0); | |
12677 | rnewp = &rnew; | |
12678 | } | |
12679 | ||
95018018 | 12680 | ret = get_errno(sys_prlimit64(arg1, resource, rnewp, arg4 ? &rold : 0)); |
163a05a8 PM |
12681 | if (!is_error(ret) && arg4) { |
12682 | if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) { | |
12683 | goto efault; | |
12684 | } | |
12685 | target_rold->rlim_cur = tswap64(rold.rlim_cur); | |
12686 | target_rold->rlim_max = tswap64(rold.rlim_max); | |
12687 | unlock_user_struct(target_rold, arg4, 1); | |
12688 | } | |
12689 | break; | |
12690 | } | |
3d21d29c RH |
12691 | #endif |
12692 | #ifdef TARGET_NR_gethostname | |
12693 | case TARGET_NR_gethostname: | |
12694 | { | |
12695 | char *name = lock_user(VERIFY_WRITE, arg1, arg2, 0); | |
12696 | if (name) { | |
12697 | ret = get_errno(gethostname(name, arg2)); | |
12698 | unlock_user(name, arg1, arg2); | |
12699 | } else { | |
12700 | ret = -TARGET_EFAULT; | |
12701 | } | |
12702 | break; | |
12703 | } | |
89aaf1a6 RV |
12704 | #endif |
12705 | #ifdef TARGET_NR_atomic_cmpxchg_32 | |
12706 | case TARGET_NR_atomic_cmpxchg_32: | |
12707 | { | |
12708 | /* should use start_exclusive from main.c */ | |
12709 | abi_ulong mem_value; | |
12710 | if (get_user_u32(mem_value, arg6)) { | |
12711 | target_siginfo_t info; | |
12712 | info.si_signo = SIGSEGV; | |
12713 | info.si_errno = 0; | |
12714 | info.si_code = TARGET_SEGV_MAPERR; | |
12715 | info._sifields._sigfault._addr = arg6; | |
9d2803f7 PM |
12716 | queue_signal((CPUArchState *)cpu_env, info.si_signo, |
12717 | QEMU_SI_FAULT, &info); | |
89aaf1a6 RV |
12718 | ret = 0xdeadbeef; |
12719 | ||
12720 | } | |
12721 | if (mem_value == arg2) | |
12722 | put_user_u32(arg1, arg6); | |
12723 | ret = mem_value; | |
12724 | break; | |
12725 | } | |
12726 | #endif | |
12727 | #ifdef TARGET_NR_atomic_barrier | |
12728 | case TARGET_NR_atomic_barrier: | |
12729 | { | |
12730 | /* Like the kernel implementation and the qemu arm barrier, no-op this? */ | |
3b899ea7 | 12731 | ret = 0; |
89aaf1a6 RV |
12732 | break; |
12733 | } | |
d0927938 | 12734 | #endif |
f4f1e10a ECL |
12735 | |
12736 | #ifdef TARGET_NR_timer_create | |
12737 | case TARGET_NR_timer_create: | |
12738 | { | |
12739 | /* args: clockid_t clockid, struct sigevent *sevp, timer_t *timerid */ | |
12740 | ||
12741 | struct sigevent host_sevp = { {0}, }, *phost_sevp = NULL; | |
f4f1e10a ECL |
12742 | |
12743 | int clkid = arg1; | |
12744 | int timer_index = next_free_host_timer(); | |
12745 | ||
12746 | if (timer_index < 0) { | |
12747 | ret = -TARGET_EAGAIN; | |
12748 | } else { | |
12749 | timer_t *phtimer = g_posix_timers + timer_index; | |
12750 | ||
12751 | if (arg2) { | |
f4f1e10a | 12752 | phost_sevp = &host_sevp; |
c065976f PM |
12753 | ret = target_to_host_sigevent(phost_sevp, arg2); |
12754 | if (ret != 0) { | |
12755 | break; | |
12756 | } | |
f4f1e10a ECL |
12757 | } |
12758 | ||
12759 | ret = get_errno(timer_create(clkid, phost_sevp, phtimer)); | |
12760 | if (ret) { | |
12761 | phtimer = NULL; | |
12762 | } else { | |
aecc8861 | 12763 | if (put_user(TIMER_MAGIC | timer_index, arg3, target_timer_t)) { |
f4f1e10a ECL |
12764 | goto efault; |
12765 | } | |
f4f1e10a ECL |
12766 | } |
12767 | } | |
12768 | break; | |
12769 | } | |
12770 | #endif | |
12771 | ||
12772 | #ifdef TARGET_NR_timer_settime | |
12773 | case TARGET_NR_timer_settime: | |
12774 | { | |
12775 | /* args: timer_t timerid, int flags, const struct itimerspec *new_value, | |
12776 | * struct itimerspec * old_value */ | |
aecc8861 | 12777 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 12778 | |
aecc8861 AG |
12779 | if (timerid < 0) { |
12780 | ret = timerid; | |
12781 | } else if (arg3 == 0) { | |
f4f1e10a ECL |
12782 | ret = -TARGET_EINVAL; |
12783 | } else { | |
e52a99f7 | 12784 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
12785 | struct itimerspec hspec_new = {{0},}, hspec_old = {{0},}; |
12786 | ||
40c80b5e MAL |
12787 | if (target_to_host_itimerspec(&hspec_new, arg3)) { |
12788 | goto efault; | |
12789 | } | |
f4f1e10a ECL |
12790 | ret = get_errno( |
12791 | timer_settime(htimer, arg2, &hspec_new, &hspec_old)); | |
40c80b5e MAL |
12792 | if (arg4 && host_to_target_itimerspec(arg4, &hspec_old)) { |
12793 | goto efault; | |
12794 | } | |
f4f1e10a ECL |
12795 | } |
12796 | break; | |
12797 | } | |
12798 | #endif | |
12799 | ||
12800 | #ifdef TARGET_NR_timer_gettime | |
12801 | case TARGET_NR_timer_gettime: | |
12802 | { | |
12803 | /* args: timer_t timerid, struct itimerspec *curr_value */ | |
aecc8861 | 12804 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 12805 | |
aecc8861 AG |
12806 | if (timerid < 0) { |
12807 | ret = timerid; | |
12808 | } else if (!arg2) { | |
12809 | ret = -TARGET_EFAULT; | |
f4f1e10a | 12810 | } else { |
e52a99f7 | 12811 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
12812 | struct itimerspec hspec; |
12813 | ret = get_errno(timer_gettime(htimer, &hspec)); | |
12814 | ||
12815 | if (host_to_target_itimerspec(arg2, &hspec)) { | |
12816 | ret = -TARGET_EFAULT; | |
12817 | } | |
12818 | } | |
12819 | break; | |
12820 | } | |
12821 | #endif | |
12822 | ||
12823 | #ifdef TARGET_NR_timer_getoverrun | |
12824 | case TARGET_NR_timer_getoverrun: | |
12825 | { | |
12826 | /* args: timer_t timerid */ | |
aecc8861 | 12827 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 12828 | |
aecc8861 AG |
12829 | if (timerid < 0) { |
12830 | ret = timerid; | |
f4f1e10a | 12831 | } else { |
e52a99f7 | 12832 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
12833 | ret = get_errno(timer_getoverrun(htimer)); |
12834 | } | |
e36800c9 | 12835 | fd_trans_unregister(ret); |
f4f1e10a ECL |
12836 | break; |
12837 | } | |
12838 | #endif | |
12839 | ||
12840 | #ifdef TARGET_NR_timer_delete | |
12841 | case TARGET_NR_timer_delete: | |
12842 | { | |
12843 | /* args: timer_t timerid */ | |
aecc8861 | 12844 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 12845 | |
aecc8861 AG |
12846 | if (timerid < 0) { |
12847 | ret = timerid; | |
f4f1e10a | 12848 | } else { |
e52a99f7 | 12849 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a | 12850 | ret = get_errno(timer_delete(htimer)); |
e52a99f7 | 12851 | g_posix_timers[timerid] = 0; |
f4f1e10a ECL |
12852 | } |
12853 | break; | |
12854 | } | |
12855 | #endif | |
12856 | ||
51834341 RV |
12857 | #if defined(TARGET_NR_timerfd_create) && defined(CONFIG_TIMERFD) |
12858 | case TARGET_NR_timerfd_create: | |
12859 | ret = get_errno(timerfd_create(arg1, | |
12860 | target_to_host_bitmask(arg2, fcntl_flags_tbl))); | |
12861 | break; | |
12862 | #endif | |
12863 | ||
12864 | #if defined(TARGET_NR_timerfd_gettime) && defined(CONFIG_TIMERFD) | |
12865 | case TARGET_NR_timerfd_gettime: | |
12866 | { | |
12867 | struct itimerspec its_curr; | |
12868 | ||
12869 | ret = get_errno(timerfd_gettime(arg1, &its_curr)); | |
12870 | ||
12871 | if (arg2 && host_to_target_itimerspec(arg2, &its_curr)) { | |
12872 | goto efault; | |
12873 | } | |
12874 | } | |
12875 | break; | |
12876 | #endif | |
12877 | ||
12878 | #if defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD) | |
12879 | case TARGET_NR_timerfd_settime: | |
12880 | { | |
12881 | struct itimerspec its_new, its_old, *p_new; | |
12882 | ||
12883 | if (arg3) { | |
12884 | if (target_to_host_itimerspec(&its_new, arg3)) { | |
12885 | goto efault; | |
12886 | } | |
12887 | p_new = &its_new; | |
12888 | } else { | |
12889 | p_new = NULL; | |
12890 | } | |
12891 | ||
12892 | ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old)); | |
12893 | ||
12894 | if (arg4 && host_to_target_itimerspec(arg4, &its_old)) { | |
12895 | goto efault; | |
12896 | } | |
12897 | } | |
12898 | break; | |
12899 | #endif | |
12900 | ||
ab31cda3 PB |
12901 | #if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get) |
12902 | case TARGET_NR_ioprio_get: | |
12903 | ret = get_errno(ioprio_get(arg1, arg2)); | |
12904 | break; | |
12905 | #endif | |
12906 | ||
12907 | #if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set) | |
12908 | case TARGET_NR_ioprio_set: | |
12909 | ret = get_errno(ioprio_set(arg1, arg2, arg3)); | |
12910 | break; | |
12911 | #endif | |
12912 | ||
9af5c906 RV |
12913 | #if defined(TARGET_NR_setns) && defined(CONFIG_SETNS) |
12914 | case TARGET_NR_setns: | |
12915 | ret = get_errno(setns(arg1, arg2)); | |
12916 | break; | |
12917 | #endif | |
12918 | #if defined(TARGET_NR_unshare) && defined(CONFIG_SETNS) | |
12919 | case TARGET_NR_unshare: | |
12920 | ret = get_errno(unshare(arg1)); | |
12921 | break; | |
12922 | #endif | |
2f14788c LV |
12923 | #if defined(TARGET_NR_kcmp) && defined(__NR_kcmp) |
12924 | case TARGET_NR_kcmp: | |
12925 | ret = get_errno(kcmp(arg1, arg2, arg3, arg4, arg5)); | |
12926 | break; | |
12927 | #endif | |
fa97e38e RH |
12928 | #ifdef TARGET_NR_swapcontext |
12929 | case TARGET_NR_swapcontext: | |
12930 | /* PowerPC specific. */ | |
12931 | ret = do_swapcontext(cpu_env, arg1, arg2, arg3); | |
12932 | break; | |
12933 | #endif | |
9af5c906 | 12934 | |
31e31b8a FB |
12935 | default: |
12936 | unimplemented: | |
122f9c83 | 12937 | qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num); |
4f2b1fe8 | 12938 | #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list) |
5cd4393b | 12939 | unimplemented_nowarn: |
80a9d035 | 12940 | #endif |
0da46a6e | 12941 | ret = -TARGET_ENOSYS; |
31e31b8a FB |
12942 | break; |
12943 | } | |
579a97f7 | 12944 | fail: |
b92c47c1 TS |
12945 | if(do_strace) |
12946 | print_syscall_ret(num, ret); | |
9c15e700 | 12947 | trace_guest_user_syscall_ret(cpu, num, ret); |
31e31b8a | 12948 | return ret; |
579a97f7 FB |
12949 | efault: |
12950 | ret = -TARGET_EFAULT; | |
12951 | goto fail; | |
31e31b8a | 12952 | } |