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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> |
d7e4036e | 105 | #include "linux_loop.h" |
18cb0088 | 106 | #include "uname.h" |
31e31b8a | 107 | |
3ef693a0 | 108 | #include "qemu.h" |
f7e6a401 | 109 | #include "fd-trans.h" |
31e31b8a | 110 | |
5ea2fc84 PM |
111 | #ifndef CLONE_IO |
112 | #define CLONE_IO 0x80000000 /* Clone io context */ | |
113 | #endif | |
114 | ||
115 | /* We can't directly call the host clone syscall, because this will | |
116 | * badly confuse libc (breaking mutexes, for example). So we must | |
117 | * divide clone flags into: | |
118 | * * flag combinations that look like pthread_create() | |
119 | * * flag combinations that look like fork() | |
120 | * * flags we can implement within QEMU itself | |
121 | * * flags we can't support and will return an error for | |
122 | */ | |
123 | /* For thread creation, all these flags must be present; for | |
124 | * fork, none must be present. | |
125 | */ | |
126 | #define CLONE_THREAD_FLAGS \ | |
127 | (CLONE_VM | CLONE_FS | CLONE_FILES | \ | |
128 | CLONE_SIGHAND | CLONE_THREAD | CLONE_SYSVSEM) | |
129 | ||
130 | /* These flags are ignored: | |
131 | * CLONE_DETACHED is now ignored by the kernel; | |
132 | * CLONE_IO is just an optimisation hint to the I/O scheduler | |
133 | */ | |
134 | #define CLONE_IGNORED_FLAGS \ | |
135 | (CLONE_DETACHED | CLONE_IO) | |
136 | ||
137 | /* Flags for fork which we can implement within QEMU itself */ | |
138 | #define CLONE_OPTIONAL_FORK_FLAGS \ | |
139 | (CLONE_SETTLS | CLONE_PARENT_SETTID | \ | |
140 | CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID) | |
141 | ||
142 | /* Flags for thread creation which we can implement within QEMU itself */ | |
143 | #define CLONE_OPTIONAL_THREAD_FLAGS \ | |
144 | (CLONE_SETTLS | CLONE_PARENT_SETTID | \ | |
145 | CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID | CLONE_PARENT) | |
146 | ||
147 | #define CLONE_INVALID_FORK_FLAGS \ | |
148 | (~(CSIGNAL | CLONE_OPTIONAL_FORK_FLAGS | CLONE_IGNORED_FLAGS)) | |
149 | ||
150 | #define CLONE_INVALID_THREAD_FLAGS \ | |
151 | (~(CSIGNAL | CLONE_THREAD_FLAGS | CLONE_OPTIONAL_THREAD_FLAGS | \ | |
152 | CLONE_IGNORED_FLAGS)) | |
153 | ||
154 | /* CLONE_VFORK is special cased early in do_fork(). The other flag bits | |
155 | * have almost all been allocated. We cannot support any of | |
156 | * CLONE_NEWNS, CLONE_NEWCGROUP, CLONE_NEWUTS, CLONE_NEWIPC, | |
157 | * CLONE_NEWUSER, CLONE_NEWPID, CLONE_NEWNET, CLONE_PTRACE, CLONE_UNTRACED. | |
158 | * The checks against the invalid thread masks above will catch these. | |
159 | * (The one remaining unallocated bit is 0x1000 which used to be CLONE_PID.) | |
160 | */ | |
30813cea | 161 | |
71a8f7fe TB |
162 | /* Define DEBUG_ERESTARTSYS to force every syscall to be restarted |
163 | * once. This exercises the codepaths for restart. | |
164 | */ | |
165 | //#define DEBUG_ERESTARTSYS | |
31e31b8a | 166 | |
1a9353d2 | 167 | //#include <linux/msdos_fs.h> |
6556a833 AJ |
168 | #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2]) |
169 | #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2]) | |
1a9353d2 | 170 | |
70a194b9 FB |
171 | #undef _syscall0 |
172 | #undef _syscall1 | |
173 | #undef _syscall2 | |
174 | #undef _syscall3 | |
175 | #undef _syscall4 | |
176 | #undef _syscall5 | |
83fcb515 | 177 | #undef _syscall6 |
70a194b9 | 178 | |
83fcb515 | 179 | #define _syscall0(type,name) \ |
8fcd3692 | 180 | static type name (void) \ |
83fcb515 FB |
181 | { \ |
182 | return syscall(__NR_##name); \ | |
183 | } | |
70a194b9 | 184 | |
83fcb515 | 185 | #define _syscall1(type,name,type1,arg1) \ |
8fcd3692 | 186 | static type name (type1 arg1) \ |
83fcb515 FB |
187 | { \ |
188 | return syscall(__NR_##name, arg1); \ | |
70a194b9 FB |
189 | } |
190 | ||
83fcb515 | 191 | #define _syscall2(type,name,type1,arg1,type2,arg2) \ |
8fcd3692 | 192 | static type name (type1 arg1,type2 arg2) \ |
83fcb515 FB |
193 | { \ |
194 | return syscall(__NR_##name, arg1, arg2); \ | |
70a194b9 FB |
195 | } |
196 | ||
83fcb515 | 197 | #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ |
8fcd3692 | 198 | static type name (type1 arg1,type2 arg2,type3 arg3) \ |
83fcb515 FB |
199 | { \ |
200 | return syscall(__NR_##name, arg1, arg2, arg3); \ | |
70a194b9 FB |
201 | } |
202 | ||
83fcb515 | 203 | #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ |
8fcd3692 | 204 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \ |
83fcb515 FB |
205 | { \ |
206 | return syscall(__NR_##name, arg1, arg2, arg3, arg4); \ | |
70a194b9 FB |
207 | } |
208 | ||
83fcb515 FB |
209 | #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ |
210 | type5,arg5) \ | |
8fcd3692 | 211 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \ |
83fcb515 FB |
212 | { \ |
213 | return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \ | |
70a194b9 FB |
214 | } |
215 | ||
83fcb515 FB |
216 | |
217 | #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ | |
218 | type5,arg5,type6,arg6) \ | |
8fcd3692 BS |
219 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \ |
220 | type6 arg6) \ | |
83fcb515 FB |
221 | { \ |
222 | return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \ | |
70a194b9 | 223 | } |
83fcb515 | 224 | |
70a194b9 | 225 | |
31e31b8a | 226 | #define __NR_sys_uname __NR_uname |
72f03900 | 227 | #define __NR_sys_getcwd1 __NR_getcwd |
72f03900 | 228 | #define __NR_sys_getdents __NR_getdents |
dab2ed99 | 229 | #define __NR_sys_getdents64 __NR_getdents64 |
c6cda17a | 230 | #define __NR_sys_getpriority __NR_getpriority |
66fb9763 | 231 | #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo |
cf8b8bfc | 232 | #define __NR_sys_rt_tgsigqueueinfo __NR_rt_tgsigqueueinfo |
7494b0f9 | 233 | #define __NR_sys_syslog __NR_syslog |
bd0c5661 | 234 | #define __NR_sys_futex __NR_futex |
39b59763 AJ |
235 | #define __NR_sys_inotify_init __NR_inotify_init |
236 | #define __NR_sys_inotify_add_watch __NR_inotify_add_watch | |
237 | #define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch | |
31e31b8a | 238 | |
b1cef6d0 | 239 | #if defined(__alpha__) || defined(__x86_64__) || defined(__s390x__) |
9af9eaaa FB |
240 | #define __NR__llseek __NR_lseek |
241 | #endif | |
242 | ||
a29e5ba2 JH |
243 | /* Newer kernel ports have llseek() instead of _llseek() */ |
244 | #if defined(TARGET_NR_llseek) && !defined(TARGET_NR__llseek) | |
245 | #define TARGET_NR__llseek TARGET_NR_llseek | |
246 | #endif | |
247 | ||
72f03900 | 248 | #ifdef __NR_gettid |
31e31b8a | 249 | _syscall0(int, gettid) |
72f03900 | 250 | #else |
0da46a6e TS |
251 | /* This is a replacement for the host gettid() and must return a host |
252 | errno. */ | |
72f03900 FB |
253 | static int gettid(void) { |
254 | return -ENOSYS; | |
255 | } | |
256 | #endif | |
2b3f64cb PM |
257 | |
258 | /* For the 64-bit guest on 32-bit host case we must emulate | |
259 | * getdents using getdents64, because otherwise the host | |
260 | * might hand us back more dirent records than we can fit | |
261 | * into the guest buffer after structure format conversion. | |
262 | * Otherwise we emulate getdents with getdents if the host has it. | |
263 | */ | |
264 | #if defined(__NR_getdents) && HOST_LONG_BITS >= TARGET_ABI_BITS | |
265 | #define EMULATE_GETDENTS_WITH_GETDENTS | |
266 | #endif | |
267 | ||
268 | #if defined(TARGET_NR_getdents) && defined(EMULATE_GETDENTS_WITH_GETDENTS) | |
3b3f24ad | 269 | _syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count); |
3307e236 | 270 | #endif |
2b3f64cb PM |
271 | #if (defined(TARGET_NR_getdents) && \ |
272 | !defined(EMULATE_GETDENTS_WITH_GETDENTS)) || \ | |
3307e236 | 273 | (defined(TARGET_NR_getdents64) && defined(__NR_getdents64)) |
3b3f24ad AJ |
274 | _syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count); |
275 | #endif | |
d35b261c | 276 | #if defined(TARGET_NR__llseek) && defined(__NR_llseek) |
3b3f24ad AJ |
277 | _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, |
278 | loff_t *, res, uint, wh); | |
279 | #endif | |
c1a402a7 | 280 | _syscall3(int, sys_rt_sigqueueinfo, pid_t, pid, int, sig, siginfo_t *, uinfo) |
cf8b8bfc MS |
281 | _syscall4(int, sys_rt_tgsigqueueinfo, pid_t, pid, pid_t, tid, int, sig, |
282 | siginfo_t *, uinfo) | |
3b3f24ad | 283 | _syscall3(int,sys_syslog,int,type,char*,bufp,int,len) |
3b3f24ad AJ |
284 | #ifdef __NR_exit_group |
285 | _syscall1(int,exit_group,int,error_code) | |
286 | #endif | |
287 | #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) | |
288 | _syscall1(int,set_tid_address,int *,tidptr) | |
289 | #endif | |
3b3f24ad AJ |
290 | #if defined(TARGET_NR_futex) && defined(__NR_futex) |
291 | _syscall6(int,sys_futex,int *,uaddr,int,op,int,val, | |
292 | const struct timespec *,timeout,int *,uaddr2,int,val3) | |
293 | #endif | |
737de1d1 MF |
294 | #define __NR_sys_sched_getaffinity __NR_sched_getaffinity |
295 | _syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len, | |
296 | unsigned long *, user_mask_ptr); | |
297 | #define __NR_sys_sched_setaffinity __NR_sched_setaffinity | |
298 | _syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len, | |
299 | unsigned long *, user_mask_ptr); | |
b827c3ed ST |
300 | #define __NR_sys_getcpu __NR_getcpu |
301 | _syscall3(int, sys_getcpu, unsigned *, cpu, unsigned *, node, void *, tcache); | |
0f6b4d21 AG |
302 | _syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd, |
303 | void *, arg); | |
e0eb210e PM |
304 | _syscall2(int, capget, struct __user_cap_header_struct *, header, |
305 | struct __user_cap_data_struct *, data); | |
306 | _syscall2(int, capset, struct __user_cap_header_struct *, header, | |
307 | struct __user_cap_data_struct *, data); | |
ab31cda3 PB |
308 | #if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get) |
309 | _syscall2(int, ioprio_get, int, which, int, who) | |
310 | #endif | |
311 | #if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set) | |
312 | _syscall3(int, ioprio_set, int, which, int, who, int, ioprio) | |
313 | #endif | |
f894efd1 LV |
314 | #if defined(TARGET_NR_getrandom) && defined(__NR_getrandom) |
315 | _syscall3(int, getrandom, void *, buf, size_t, buflen, unsigned int, flags) | |
316 | #endif | |
3b3f24ad | 317 | |
2f14788c LV |
318 | #if defined(TARGET_NR_kcmp) && defined(__NR_kcmp) |
319 | _syscall5(int, kcmp, pid_t, pid1, pid_t, pid2, int, type, | |
320 | unsigned long, idx1, unsigned long, idx2) | |
321 | #endif | |
322 | ||
3b3f24ad AJ |
323 | static bitmask_transtbl fcntl_flags_tbl[] = { |
324 | { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, }, | |
325 | { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, }, | |
326 | { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, }, | |
327 | { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, }, | |
328 | { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, }, | |
329 | { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, }, | |
330 | { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, }, | |
331 | { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, }, | |
afc8763f | 332 | { TARGET_O_SYNC, TARGET_O_DSYNC, O_SYNC, O_DSYNC, }, |
3b3f24ad AJ |
333 | { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, }, |
334 | { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, }, | |
335 | { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, }, | |
336 | { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, }, | |
3b3f24ad AJ |
337 | #if defined(O_DIRECT) |
338 | { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, }, | |
afc8763f RH |
339 | #endif |
340 | #if defined(O_NOATIME) | |
341 | { TARGET_O_NOATIME, TARGET_O_NOATIME, O_NOATIME, O_NOATIME }, | |
342 | #endif | |
343 | #if defined(O_CLOEXEC) | |
344 | { TARGET_O_CLOEXEC, TARGET_O_CLOEXEC, O_CLOEXEC, O_CLOEXEC }, | |
345 | #endif | |
346 | #if defined(O_PATH) | |
347 | { TARGET_O_PATH, TARGET_O_PATH, O_PATH, O_PATH }, | |
5f9cee46 RV |
348 | #endif |
349 | #if defined(O_TMPFILE) | |
350 | { TARGET_O_TMPFILE, TARGET_O_TMPFILE, O_TMPFILE, O_TMPFILE }, | |
afc8763f RH |
351 | #endif |
352 | /* Don't terminate the list prematurely on 64-bit host+guest. */ | |
353 | #if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0 | |
354 | { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, }, | |
3b3f24ad AJ |
355 | #endif |
356 | { 0, 0, 0, 0 } | |
357 | }; | |
358 | ||
3b3f24ad AJ |
359 | static int sys_getcwd1(char *buf, size_t size) |
360 | { | |
361 | if (getcwd(buf, size) == NULL) { | |
362 | /* getcwd() sets errno */ | |
363 | return (-1); | |
364 | } | |
aaf4ad39 | 365 | return strlen(buf)+1; |
3b3f24ad AJ |
366 | } |
367 | ||
1acae9f2 | 368 | #ifdef TARGET_NR_utimensat |
700fa58e | 369 | #if defined(__NR_utimensat) |
1acae9f2 | 370 | #define __NR_sys_utimensat __NR_utimensat |
9007f0ef TS |
371 | _syscall4(int,sys_utimensat,int,dirfd,const char *,pathname, |
372 | const struct timespec *,tsp,int,flags) | |
1acae9f2 PM |
373 | #else |
374 | static int sys_utimensat(int dirfd, const char *pathname, | |
375 | const struct timespec times[2], int flags) | |
376 | { | |
377 | errno = ENOSYS; | |
378 | return -1; | |
379 | } | |
9007f0ef | 380 | #endif |
1acae9f2 | 381 | #endif /* TARGET_NR_utimensat */ |
3b3f24ad | 382 | |
95d0307c AS |
383 | #ifdef TARGET_NR_renameat2 |
384 | #if defined(__NR_renameat2) | |
385 | #define __NR_sys_renameat2 __NR_renameat2 | |
386 | _syscall5(int, sys_renameat2, int, oldfd, const char *, old, int, newfd, | |
387 | const char *, new, unsigned int, flags) | |
388 | #else | |
389 | static int sys_renameat2(int oldfd, const char *old, | |
390 | int newfd, const char *new, int flags) | |
391 | { | |
392 | if (flags == 0) { | |
393 | return renameat(oldfd, old, newfd, new); | |
394 | } | |
395 | errno = ENOSYS; | |
396 | return -1; | |
397 | } | |
398 | #endif | |
399 | #endif /* TARGET_NR_renameat2 */ | |
400 | ||
3b3f24ad | 401 | #ifdef CONFIG_INOTIFY |
8690e420 | 402 | #include <sys/inotify.h> |
3b3f24ad | 403 | |
39b59763 | 404 | #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init) |
3b3f24ad AJ |
405 | static int sys_inotify_init(void) |
406 | { | |
407 | return (inotify_init()); | |
408 | } | |
39b59763 AJ |
409 | #endif |
410 | #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch) | |
3b3f24ad AJ |
411 | static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask) |
412 | { | |
413 | return (inotify_add_watch(fd, pathname, mask)); | |
414 | } | |
39b59763 AJ |
415 | #endif |
416 | #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch) | |
3b3f24ad AJ |
417 | static int sys_inotify_rm_watch(int fd, int32_t wd) |
418 | { | |
8690e420 | 419 | return (inotify_rm_watch(fd, wd)); |
3b3f24ad | 420 | } |
bd0c5661 | 421 | #endif |
c05c7a73 RV |
422 | #ifdef CONFIG_INOTIFY1 |
423 | #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1) | |
424 | static int sys_inotify_init1(int flags) | |
425 | { | |
426 | return (inotify_init1(flags)); | |
427 | } | |
428 | #endif | |
429 | #endif | |
3b3f24ad AJ |
430 | #else |
431 | /* Userspace can usually survive runtime without inotify */ | |
432 | #undef TARGET_NR_inotify_init | |
c05c7a73 | 433 | #undef TARGET_NR_inotify_init1 |
3b3f24ad AJ |
434 | #undef TARGET_NR_inotify_add_watch |
435 | #undef TARGET_NR_inotify_rm_watch | |
436 | #endif /* CONFIG_INOTIFY */ | |
437 | ||
163a05a8 PM |
438 | #if defined(TARGET_NR_prlimit64) |
439 | #ifndef __NR_prlimit64 | |
440 | # define __NR_prlimit64 -1 | |
441 | #endif | |
442 | #define __NR_sys_prlimit64 __NR_prlimit64 | |
443 | /* The glibc rlimit structure may not be that used by the underlying syscall */ | |
444 | struct host_rlimit64 { | |
445 | uint64_t rlim_cur; | |
446 | uint64_t rlim_max; | |
447 | }; | |
448 | _syscall4(int, sys_prlimit64, pid_t, pid, int, resource, | |
449 | const struct host_rlimit64 *, new_limit, | |
450 | struct host_rlimit64 *, old_limit) | |
451 | #endif | |
452 | ||
f4f1e10a ECL |
453 | |
454 | #if defined(TARGET_NR_timer_create) | |
455 | /* Maxiumum of 32 active POSIX timers allowed at any one time. */ | |
456 | static timer_t g_posix_timers[32] = { 0, } ; | |
457 | ||
458 | static inline int next_free_host_timer(void) | |
459 | { | |
460 | int k ; | |
461 | /* FIXME: Does finding the next free slot require a lock? */ | |
462 | for (k = 0; k < ARRAY_SIZE(g_posix_timers); k++) { | |
463 | if (g_posix_timers[k] == 0) { | |
464 | g_posix_timers[k] = (timer_t) 1; | |
465 | return k; | |
466 | } | |
467 | } | |
468 | return -1; | |
469 | } | |
470 | #endif | |
471 | ||
48e515d4 | 472 | /* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */ |
4a1def4e | 473 | #ifdef TARGET_ARM |
8bf8e9df JC |
474 | static inline int regpairs_aligned(void *cpu_env, int num) |
475 | { | |
48e515d4 RV |
476 | return ((((CPUARMState *)cpu_env)->eabi) == 1) ; |
477 | } | |
d7779acb | 478 | #elif defined(TARGET_MIPS) && (TARGET_ABI_BITS == 32) |
8bf8e9df | 479 | static inline int regpairs_aligned(void *cpu_env, int num) { return 1; } |
4a1def4e AG |
480 | #elif defined(TARGET_PPC) && !defined(TARGET_PPC64) |
481 | /* SysV AVI for PPC32 expects 64bit parameters to be passed on odd/even pairs | |
482 | * of registers which translates to the same as ARM/MIPS, because we start with | |
483 | * r3 as arg1 */ | |
8bf8e9df JC |
484 | static inline int regpairs_aligned(void *cpu_env, int num) { return 1; } |
485 | #elif defined(TARGET_SH4) | |
486 | /* SH4 doesn't align register pairs, except for p{read,write}64 */ | |
487 | static inline int regpairs_aligned(void *cpu_env, int num) | |
488 | { | |
489 | switch (num) { | |
490 | case TARGET_NR_pread64: | |
491 | case TARGET_NR_pwrite64: | |
492 | return 1; | |
493 | ||
494 | default: | |
495 | return 0; | |
496 | } | |
497 | } | |
ba7651fb MF |
498 | #elif defined(TARGET_XTENSA) |
499 | static inline int regpairs_aligned(void *cpu_env, int num) { return 1; } | |
48e515d4 | 500 | #else |
8bf8e9df | 501 | static inline int regpairs_aligned(void *cpu_env, int num) { return 0; } |
48e515d4 RV |
502 | #endif |
503 | ||
b92c47c1 TS |
504 | #define ERRNO_TABLE_SIZE 1200 |
505 | ||
506 | /* target_to_host_errno_table[] is initialized from | |
507 | * host_to_target_errno_table[] in syscall_init(). */ | |
508 | static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = { | |
509 | }; | |
510 | ||
637947f1 | 511 | /* |
fe8f096b | 512 | * This list is the union of errno values overridden in asm-<arch>/errno.h |
637947f1 TS |
513 | * minus the errnos that are not actually generic to all archs. |
514 | */ | |
b92c47c1 | 515 | static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = { |
08703b9f | 516 | [EAGAIN] = TARGET_EAGAIN, |
637947f1 TS |
517 | [EIDRM] = TARGET_EIDRM, |
518 | [ECHRNG] = TARGET_ECHRNG, | |
519 | [EL2NSYNC] = TARGET_EL2NSYNC, | |
520 | [EL3HLT] = TARGET_EL3HLT, | |
521 | [EL3RST] = TARGET_EL3RST, | |
522 | [ELNRNG] = TARGET_ELNRNG, | |
523 | [EUNATCH] = TARGET_EUNATCH, | |
524 | [ENOCSI] = TARGET_ENOCSI, | |
525 | [EL2HLT] = TARGET_EL2HLT, | |
526 | [EDEADLK] = TARGET_EDEADLK, | |
527 | [ENOLCK] = TARGET_ENOLCK, | |
528 | [EBADE] = TARGET_EBADE, | |
529 | [EBADR] = TARGET_EBADR, | |
530 | [EXFULL] = TARGET_EXFULL, | |
531 | [ENOANO] = TARGET_ENOANO, | |
532 | [EBADRQC] = TARGET_EBADRQC, | |
533 | [EBADSLT] = TARGET_EBADSLT, | |
534 | [EBFONT] = TARGET_EBFONT, | |
535 | [ENOSTR] = TARGET_ENOSTR, | |
536 | [ENODATA] = TARGET_ENODATA, | |
537 | [ETIME] = TARGET_ETIME, | |
538 | [ENOSR] = TARGET_ENOSR, | |
539 | [ENONET] = TARGET_ENONET, | |
540 | [ENOPKG] = TARGET_ENOPKG, | |
541 | [EREMOTE] = TARGET_EREMOTE, | |
542 | [ENOLINK] = TARGET_ENOLINK, | |
543 | [EADV] = TARGET_EADV, | |
544 | [ESRMNT] = TARGET_ESRMNT, | |
545 | [ECOMM] = TARGET_ECOMM, | |
546 | [EPROTO] = TARGET_EPROTO, | |
547 | [EDOTDOT] = TARGET_EDOTDOT, | |
548 | [EMULTIHOP] = TARGET_EMULTIHOP, | |
549 | [EBADMSG] = TARGET_EBADMSG, | |
550 | [ENAMETOOLONG] = TARGET_ENAMETOOLONG, | |
551 | [EOVERFLOW] = TARGET_EOVERFLOW, | |
552 | [ENOTUNIQ] = TARGET_ENOTUNIQ, | |
553 | [EBADFD] = TARGET_EBADFD, | |
554 | [EREMCHG] = TARGET_EREMCHG, | |
555 | [ELIBACC] = TARGET_ELIBACC, | |
556 | [ELIBBAD] = TARGET_ELIBBAD, | |
557 | [ELIBSCN] = TARGET_ELIBSCN, | |
558 | [ELIBMAX] = TARGET_ELIBMAX, | |
559 | [ELIBEXEC] = TARGET_ELIBEXEC, | |
560 | [EILSEQ] = TARGET_EILSEQ, | |
561 | [ENOSYS] = TARGET_ENOSYS, | |
562 | [ELOOP] = TARGET_ELOOP, | |
563 | [ERESTART] = TARGET_ERESTART, | |
564 | [ESTRPIPE] = TARGET_ESTRPIPE, | |
565 | [ENOTEMPTY] = TARGET_ENOTEMPTY, | |
566 | [EUSERS] = TARGET_EUSERS, | |
567 | [ENOTSOCK] = TARGET_ENOTSOCK, | |
568 | [EDESTADDRREQ] = TARGET_EDESTADDRREQ, | |
569 | [EMSGSIZE] = TARGET_EMSGSIZE, | |
570 | [EPROTOTYPE] = TARGET_EPROTOTYPE, | |
571 | [ENOPROTOOPT] = TARGET_ENOPROTOOPT, | |
572 | [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT, | |
573 | [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT, | |
574 | [EOPNOTSUPP] = TARGET_EOPNOTSUPP, | |
575 | [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT, | |
576 | [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT, | |
577 | [EADDRINUSE] = TARGET_EADDRINUSE, | |
578 | [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL, | |
579 | [ENETDOWN] = TARGET_ENETDOWN, | |
580 | [ENETUNREACH] = TARGET_ENETUNREACH, | |
581 | [ENETRESET] = TARGET_ENETRESET, | |
582 | [ECONNABORTED] = TARGET_ECONNABORTED, | |
583 | [ECONNRESET] = TARGET_ECONNRESET, | |
584 | [ENOBUFS] = TARGET_ENOBUFS, | |
585 | [EISCONN] = TARGET_EISCONN, | |
586 | [ENOTCONN] = TARGET_ENOTCONN, | |
587 | [EUCLEAN] = TARGET_EUCLEAN, | |
588 | [ENOTNAM] = TARGET_ENOTNAM, | |
589 | [ENAVAIL] = TARGET_ENAVAIL, | |
590 | [EISNAM] = TARGET_EISNAM, | |
591 | [EREMOTEIO] = TARGET_EREMOTEIO, | |
0444a3b7 | 592 | [EDQUOT] = TARGET_EDQUOT, |
637947f1 TS |
593 | [ESHUTDOWN] = TARGET_ESHUTDOWN, |
594 | [ETOOMANYREFS] = TARGET_ETOOMANYREFS, | |
595 | [ETIMEDOUT] = TARGET_ETIMEDOUT, | |
596 | [ECONNREFUSED] = TARGET_ECONNREFUSED, | |
597 | [EHOSTDOWN] = TARGET_EHOSTDOWN, | |
598 | [EHOSTUNREACH] = TARGET_EHOSTUNREACH, | |
599 | [EALREADY] = TARGET_EALREADY, | |
600 | [EINPROGRESS] = TARGET_EINPROGRESS, | |
601 | [ESTALE] = TARGET_ESTALE, | |
602 | [ECANCELED] = TARGET_ECANCELED, | |
603 | [ENOMEDIUM] = TARGET_ENOMEDIUM, | |
604 | [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE, | |
b7fe5db7 | 605 | #ifdef ENOKEY |
637947f1 | 606 | [ENOKEY] = TARGET_ENOKEY, |
b7fe5db7 TS |
607 | #endif |
608 | #ifdef EKEYEXPIRED | |
637947f1 | 609 | [EKEYEXPIRED] = TARGET_EKEYEXPIRED, |
b7fe5db7 TS |
610 | #endif |
611 | #ifdef EKEYREVOKED | |
637947f1 | 612 | [EKEYREVOKED] = TARGET_EKEYREVOKED, |
b7fe5db7 TS |
613 | #endif |
614 | #ifdef EKEYREJECTED | |
637947f1 | 615 | [EKEYREJECTED] = TARGET_EKEYREJECTED, |
b7fe5db7 TS |
616 | #endif |
617 | #ifdef EOWNERDEAD | |
637947f1 | 618 | [EOWNERDEAD] = TARGET_EOWNERDEAD, |
b7fe5db7 TS |
619 | #endif |
620 | #ifdef ENOTRECOVERABLE | |
637947f1 | 621 | [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE, |
b7fe5db7 | 622 | #endif |
da39db63 AM |
623 | #ifdef ENOMSG |
624 | [ENOMSG] = TARGET_ENOMSG, | |
625 | #endif | |
fe8ed7d5 RH |
626 | #ifdef ERKFILL |
627 | [ERFKILL] = TARGET_ERFKILL, | |
628 | #endif | |
629 | #ifdef EHWPOISON | |
630 | [EHWPOISON] = TARGET_EHWPOISON, | |
631 | #endif | |
b92c47c1 | 632 | }; |
637947f1 TS |
633 | |
634 | static inline int host_to_target_errno(int err) | |
635 | { | |
2466119c TB |
636 | if (err >= 0 && err < ERRNO_TABLE_SIZE && |
637 | host_to_target_errno_table[err]) { | |
637947f1 | 638 | return host_to_target_errno_table[err]; |
2466119c | 639 | } |
637947f1 TS |
640 | return err; |
641 | } | |
642 | ||
b92c47c1 TS |
643 | static inline int target_to_host_errno(int err) |
644 | { | |
2466119c TB |
645 | if (err >= 0 && err < ERRNO_TABLE_SIZE && |
646 | target_to_host_errno_table[err]) { | |
b92c47c1 | 647 | return target_to_host_errno_table[err]; |
2466119c | 648 | } |
b92c47c1 TS |
649 | return err; |
650 | } | |
651 | ||
992f48a0 | 652 | static inline abi_long get_errno(abi_long ret) |
31e31b8a FB |
653 | { |
654 | if (ret == -1) | |
637947f1 | 655 | return -host_to_target_errno(errno); |
31e31b8a FB |
656 | else |
657 | return ret; | |
658 | } | |
659 | ||
7dcdaeaf | 660 | const char *target_strerror(int err) |
b92c47c1 | 661 | { |
da2a34f7 PM |
662 | if (err == TARGET_ERESTARTSYS) { |
663 | return "To be restarted"; | |
664 | } | |
665 | if (err == TARGET_QEMU_ESIGRETURN) { | |
666 | return "Successful exit from sigreturn"; | |
667 | } | |
668 | ||
962b289e AG |
669 | if ((err >= ERRNO_TABLE_SIZE) || (err < 0)) { |
670 | return NULL; | |
671 | } | |
b92c47c1 TS |
672 | return strerror(target_to_host_errno(err)); |
673 | } | |
674 | ||
4d330cee TB |
675 | #define safe_syscall0(type, name) \ |
676 | static type safe_##name(void) \ | |
677 | { \ | |
678 | return safe_syscall(__NR_##name); \ | |
679 | } | |
680 | ||
681 | #define safe_syscall1(type, name, type1, arg1) \ | |
682 | static type safe_##name(type1 arg1) \ | |
683 | { \ | |
684 | return safe_syscall(__NR_##name, arg1); \ | |
685 | } | |
686 | ||
687 | #define safe_syscall2(type, name, type1, arg1, type2, arg2) \ | |
688 | static type safe_##name(type1 arg1, type2 arg2) \ | |
689 | { \ | |
690 | return safe_syscall(__NR_##name, arg1, arg2); \ | |
691 | } | |
692 | ||
693 | #define safe_syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \ | |
694 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3) \ | |
695 | { \ | |
696 | return safe_syscall(__NR_##name, arg1, arg2, arg3); \ | |
697 | } | |
698 | ||
699 | #define safe_syscall4(type, name, type1, arg1, type2, arg2, type3, arg3, \ | |
700 | type4, arg4) \ | |
701 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ | |
702 | { \ | |
703 | return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4); \ | |
704 | } | |
705 | ||
706 | #define safe_syscall5(type, name, type1, arg1, type2, arg2, type3, arg3, \ | |
707 | type4, arg4, type5, arg5) \ | |
708 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ | |
709 | type5 arg5) \ | |
710 | { \ | |
711 | return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \ | |
712 | } | |
713 | ||
714 | #define safe_syscall6(type, name, type1, arg1, type2, arg2, type3, arg3, \ | |
715 | type4, arg4, type5, arg5, type6, arg6) \ | |
716 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ | |
717 | type5 arg5, type6 arg6) \ | |
718 | { \ | |
719 | return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \ | |
720 | } | |
721 | ||
50afd02b TB |
722 | safe_syscall3(ssize_t, read, int, fd, void *, buff, size_t, count) |
723 | safe_syscall3(ssize_t, write, int, fd, const void *, buff, size_t, count) | |
c10a0738 TB |
724 | safe_syscall4(int, openat, int, dirfd, const char *, pathname, \ |
725 | int, flags, mode_t, mode) | |
4af80a37 TB |
726 | safe_syscall4(pid_t, wait4, pid_t, pid, int *, status, int, options, \ |
727 | struct rusage *, rusage) | |
728 | safe_syscall5(int, waitid, idtype_t, idtype, id_t, id, siginfo_t *, infop, \ | |
729 | int, options, struct rusage *, rusage) | |
ffdcbe22 | 730 | safe_syscall3(int, execve, const char *, filename, char **, argv, char **, envp) |
6df9d38d PM |
731 | safe_syscall6(int, pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds, \ |
732 | fd_set *, exceptfds, struct timespec *, timeout, void *, sig) | |
a6130237 PM |
733 | safe_syscall5(int, ppoll, struct pollfd *, ufds, unsigned int, nfds, |
734 | struct timespec *, tsp, const sigset_t *, sigmask, | |
735 | size_t, sigsetsize) | |
227f0214 PM |
736 | safe_syscall6(int, epoll_pwait, int, epfd, struct epoll_event *, events, |
737 | int, maxevents, int, timeout, const sigset_t *, sigmask, | |
738 | size_t, sigsetsize) | |
d509eeb1 PM |
739 | safe_syscall6(int,futex,int *,uaddr,int,op,int,val, \ |
740 | const struct timespec *,timeout,int *,uaddr2,int,val3) | |
2fe4fba1 | 741 | safe_syscall2(int, rt_sigsuspend, sigset_t *, newset, size_t, sigsetsize) |
bef653d9 PM |
742 | safe_syscall2(int, kill, pid_t, pid, int, sig) |
743 | safe_syscall2(int, tkill, int, tid, int, sig) | |
744 | safe_syscall3(int, tgkill, int, tgid, int, pid, int, sig) | |
918c03ed PM |
745 | safe_syscall3(ssize_t, readv, int, fd, const struct iovec *, iov, int, iovcnt) |
746 | safe_syscall3(ssize_t, writev, int, fd, const struct iovec *, iov, int, iovcnt) | |
0f26386c DJ |
747 | safe_syscall5(ssize_t, preadv, int, fd, const struct iovec *, iov, int, iovcnt, |
748 | unsigned long, pos_l, unsigned long, pos_h) | |
f8d00fba DJ |
749 | safe_syscall5(ssize_t, pwritev, int, fd, const struct iovec *, iov, int, iovcnt, |
750 | unsigned long, pos_l, unsigned long, pos_h) | |
2a3c7619 PM |
751 | safe_syscall3(int, connect, int, fd, const struct sockaddr *, addr, |
752 | socklen_t, addrlen) | |
66687530 PM |
753 | safe_syscall6(ssize_t, sendto, int, fd, const void *, buf, size_t, len, |
754 | int, flags, const struct sockaddr *, addr, socklen_t, addrlen) | |
755 | safe_syscall6(ssize_t, recvfrom, int, fd, void *, buf, size_t, len, | |
756 | int, flags, struct sockaddr *, addr, socklen_t *, addrlen) | |
757 | safe_syscall3(ssize_t, sendmsg, int, fd, const struct msghdr *, msg, int, flags) | |
758 | safe_syscall3(ssize_t, recvmsg, int, fd, struct msghdr *, msg, int, flags) | |
2a845989 | 759 | safe_syscall2(int, flock, int, fd, int, operation) |
b3f82330 PM |
760 | safe_syscall4(int, rt_sigtimedwait, const sigset_t *, these, siginfo_t *, uinfo, |
761 | const struct timespec *, uts, size_t, sigsetsize) | |
ff6dc130 PM |
762 | safe_syscall4(int, accept4, int, fd, struct sockaddr *, addr, socklen_t *, len, |
763 | int, flags) | |
9e518226 PM |
764 | safe_syscall2(int, nanosleep, const struct timespec *, req, |
765 | struct timespec *, rem) | |
766 | #ifdef TARGET_NR_clock_nanosleep | |
767 | safe_syscall4(int, clock_nanosleep, const clockid_t, clock, int, flags, | |
768 | const struct timespec *, req, struct timespec *, rem) | |
769 | #endif | |
89f9fe44 PM |
770 | #ifdef __NR_msgsnd |
771 | safe_syscall4(int, msgsnd, int, msgid, const void *, msgp, size_t, sz, | |
772 | int, flags) | |
773 | safe_syscall5(int, msgrcv, int, msgid, void *, msgp, size_t, sz, | |
774 | long, msgtype, int, flags) | |
ffb7ee79 PM |
775 | safe_syscall4(int, semtimedop, int, semid, struct sembuf *, tsops, |
776 | unsigned, nsops, const struct timespec *, timeout) | |
89f9fe44 PM |
777 | #else |
778 | /* This host kernel architecture uses a single ipc syscall; fake up | |
779 | * wrappers for the sub-operations to hide this implementation detail. | |
780 | * Annoyingly we can't include linux/ipc.h to get the constant definitions | |
781 | * for the call parameter because some structs in there conflict with the | |
782 | * sys/ipc.h ones. So we just define them here, and rely on them being | |
783 | * the same for all host architectures. | |
784 | */ | |
ffb7ee79 | 785 | #define Q_SEMTIMEDOP 4 |
89f9fe44 PM |
786 | #define Q_MSGSND 11 |
787 | #define Q_MSGRCV 12 | |
788 | #define Q_IPCCALL(VERSION, OP) ((VERSION) << 16 | (OP)) | |
789 | ||
790 | safe_syscall6(int, ipc, int, call, long, first, long, second, long, third, | |
791 | void *, ptr, long, fifth) | |
792 | static int safe_msgsnd(int msgid, const void *msgp, size_t sz, int flags) | |
793 | { | |
794 | return safe_ipc(Q_IPCCALL(0, Q_MSGSND), msgid, sz, flags, (void *)msgp, 0); | |
795 | } | |
796 | static int safe_msgrcv(int msgid, void *msgp, size_t sz, long type, int flags) | |
797 | { | |
798 | return safe_ipc(Q_IPCCALL(1, Q_MSGRCV), msgid, sz, flags, msgp, type); | |
799 | } | |
ffb7ee79 PM |
800 | static int safe_semtimedop(int semid, struct sembuf *tsops, unsigned nsops, |
801 | const struct timespec *timeout) | |
802 | { | |
803 | return safe_ipc(Q_IPCCALL(0, Q_SEMTIMEDOP), semid, nsops, 0, tsops, | |
804 | (long)timeout); | |
805 | } | |
89f9fe44 | 806 | #endif |
d40ecd66 PM |
807 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
808 | safe_syscall5(int, mq_timedsend, int, mqdes, const char *, msg_ptr, | |
809 | size_t, len, unsigned, prio, const struct timespec *, timeout) | |
810 | safe_syscall5(int, mq_timedreceive, int, mqdes, char *, msg_ptr, | |
811 | size_t, len, unsigned *, prio, const struct timespec *, timeout) | |
812 | #endif | |
49ca6f3e PM |
813 | /* We do ioctl like this rather than via safe_syscall3 to preserve the |
814 | * "third argument might be integer or pointer or not present" behaviour of | |
815 | * the libc function. | |
816 | */ | |
817 | #define safe_ioctl(...) safe_syscall(__NR_ioctl, __VA_ARGS__) | |
435da5e7 PM |
818 | /* Similarly for fcntl. Note that callers must always: |
819 | * pass the F_GETLK64 etc constants rather than the unsuffixed F_GETLK | |
820 | * use the flock64 struct rather than unsuffixed flock | |
821 | * This will then work and use a 64-bit offset for both 32-bit and 64-bit hosts. | |
822 | */ | |
823 | #ifdef __NR_fcntl64 | |
824 | #define safe_fcntl(...) safe_syscall(__NR_fcntl64, __VA_ARGS__) | |
825 | #else | |
826 | #define safe_fcntl(...) safe_syscall(__NR_fcntl, __VA_ARGS__) | |
827 | #endif | |
50afd02b | 828 | |
8289d112 PB |
829 | static inline int host_to_target_sock_type(int host_type) |
830 | { | |
831 | int target_type; | |
832 | ||
833 | switch (host_type & 0xf /* SOCK_TYPE_MASK */) { | |
834 | case SOCK_DGRAM: | |
835 | target_type = TARGET_SOCK_DGRAM; | |
836 | break; | |
837 | case SOCK_STREAM: | |
838 | target_type = TARGET_SOCK_STREAM; | |
839 | break; | |
840 | default: | |
841 | target_type = host_type & 0xf /* SOCK_TYPE_MASK */; | |
842 | break; | |
843 | } | |
844 | ||
845 | #if defined(SOCK_CLOEXEC) | |
846 | if (host_type & SOCK_CLOEXEC) { | |
847 | target_type |= TARGET_SOCK_CLOEXEC; | |
848 | } | |
849 | #endif | |
850 | ||
851 | #if defined(SOCK_NONBLOCK) | |
852 | if (host_type & SOCK_NONBLOCK) { | |
853 | target_type |= TARGET_SOCK_NONBLOCK; | |
854 | } | |
855 | #endif | |
856 | ||
857 | return target_type; | |
858 | } | |
859 | ||
992f48a0 BS |
860 | static abi_ulong target_brk; |
861 | static abi_ulong target_original_brk; | |
4d1de87c | 862 | static abi_ulong brk_page; |
31e31b8a | 863 | |
992f48a0 | 864 | void target_set_brk(abi_ulong new_brk) |
31e31b8a | 865 | { |
4c1de73d | 866 | target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk); |
4d1de87c | 867 | brk_page = HOST_PAGE_ALIGN(target_brk); |
31e31b8a FB |
868 | } |
869 | ||
4d1de87c CV |
870 | //#define DEBUGF_BRK(message, args...) do { fprintf(stderr, (message), ## args); } while (0) |
871 | #define DEBUGF_BRK(message, args...) | |
872 | ||
0da46a6e | 873 | /* do_brk() must return target values and target errnos. */ |
992f48a0 | 874 | abi_long do_brk(abi_ulong new_brk) |
31e31b8a | 875 | { |
992f48a0 | 876 | abi_long mapped_addr; |
ef4330c2 | 877 | abi_ulong new_alloc_size; |
31e31b8a | 878 | |
3a0c6c4a | 879 | DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx ") -> ", new_brk); |
4d1de87c CV |
880 | |
881 | if (!new_brk) { | |
3a0c6c4a | 882 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (!new_brk)\n", target_brk); |
53a5960a | 883 | return target_brk; |
4d1de87c CV |
884 | } |
885 | if (new_brk < target_original_brk) { | |
3a0c6c4a PB |
886 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk < target_original_brk)\n", |
887 | target_brk); | |
7ab240ad | 888 | return target_brk; |
4d1de87c | 889 | } |
3b46e624 | 890 | |
4d1de87c CV |
891 | /* If the new brk is less than the highest page reserved to the |
892 | * target heap allocation, set it and we're almost done... */ | |
893 | if (new_brk <= brk_page) { | |
894 | /* Heap contents are initialized to zero, as for anonymous | |
895 | * mapped pages. */ | |
896 | if (new_brk > target_brk) { | |
897 | memset(g2h(target_brk), 0, new_brk - target_brk); | |
898 | } | |
31e31b8a | 899 | target_brk = new_brk; |
3a0c6c4a | 900 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk <= brk_page)\n", target_brk); |
53a5960a | 901 | return target_brk; |
31e31b8a FB |
902 | } |
903 | ||
00faf08c PM |
904 | /* We need to allocate more memory after the brk... Note that |
905 | * we don't use MAP_FIXED because that will map over the top of | |
906 | * any existing mapping (like the one with the host libc or qemu | |
907 | * itself); instead we treat "mapped but at wrong address" as | |
908 | * a failure and unmap again. | |
909 | */ | |
4d1de87c | 910 | new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page); |
5fafdf24 | 911 | mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size, |
54936004 | 912 | PROT_READ|PROT_WRITE, |
00faf08c PM |
913 | MAP_ANON|MAP_PRIVATE, 0, 0)); |
914 | ||
915 | if (mapped_addr == brk_page) { | |
70afc343 CV |
916 | /* Heap contents are initialized to zero, as for anonymous |
917 | * mapped pages. Technically the new pages are already | |
918 | * initialized to zero since they *are* anonymous mapped | |
919 | * pages, however we have to take care with the contents that | |
920 | * come from the remaining part of the previous page: it may | |
921 | * contains garbage data due to a previous heap usage (grown | |
922 | * then shrunken). */ | |
923 | memset(g2h(target_brk), 0, brk_page - target_brk); | |
924 | ||
00faf08c | 925 | target_brk = new_brk; |
4d1de87c | 926 | brk_page = HOST_PAGE_ALIGN(target_brk); |
3a0c6c4a PB |
927 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr == brk_page)\n", |
928 | target_brk); | |
00faf08c PM |
929 | return target_brk; |
930 | } else if (mapped_addr != -1) { | |
931 | /* Mapped but at wrong address, meaning there wasn't actually | |
932 | * enough space for this brk. | |
933 | */ | |
934 | target_munmap(mapped_addr, new_alloc_size); | |
935 | mapped_addr = -1; | |
3a0c6c4a | 936 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr != -1)\n", target_brk); |
4d1de87c CV |
937 | } |
938 | else { | |
3a0c6c4a | 939 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (otherwise)\n", target_brk); |
00faf08c | 940 | } |
7ab240ad | 941 | |
7dd46c02 RH |
942 | #if defined(TARGET_ALPHA) |
943 | /* We (partially) emulate OSF/1 on Alpha, which requires we | |
944 | return a proper errno, not an unchanged brk value. */ | |
00faf08c | 945 | return -TARGET_ENOMEM; |
7dd46c02 | 946 | #endif |
00faf08c | 947 | /* For everything else, return the previous break. */ |
7ab240ad | 948 | return target_brk; |
31e31b8a FB |
949 | } |
950 | ||
26edcf41 TS |
951 | static inline abi_long copy_from_user_fdset(fd_set *fds, |
952 | abi_ulong target_fds_addr, | |
953 | int n) | |
31e31b8a | 954 | { |
26edcf41 TS |
955 | int i, nw, j, k; |
956 | abi_ulong b, *target_fds; | |
957 | ||
b1b2db29 | 958 | nw = DIV_ROUND_UP(n, TARGET_ABI_BITS); |
26edcf41 TS |
959 | if (!(target_fds = lock_user(VERIFY_READ, |
960 | target_fds_addr, | |
961 | sizeof(abi_ulong) * nw, | |
962 | 1))) | |
963 | return -TARGET_EFAULT; | |
964 | ||
965 | FD_ZERO(fds); | |
966 | k = 0; | |
967 | for (i = 0; i < nw; i++) { | |
968 | /* grab the abi_ulong */ | |
969 | __get_user(b, &target_fds[i]); | |
970 | for (j = 0; j < TARGET_ABI_BITS; j++) { | |
971 | /* check the bit inside the abi_ulong */ | |
972 | if ((b >> j) & 1) | |
973 | FD_SET(k, fds); | |
974 | k++; | |
31e31b8a | 975 | } |
31e31b8a | 976 | } |
26edcf41 TS |
977 | |
978 | unlock_user(target_fds, target_fds_addr, 0); | |
979 | ||
980 | return 0; | |
31e31b8a FB |
981 | } |
982 | ||
055e0906 MF |
983 | static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr, |
984 | abi_ulong target_fds_addr, | |
985 | int n) | |
986 | { | |
987 | if (target_fds_addr) { | |
988 | if (copy_from_user_fdset(fds, target_fds_addr, n)) | |
989 | return -TARGET_EFAULT; | |
990 | *fds_ptr = fds; | |
991 | } else { | |
992 | *fds_ptr = NULL; | |
993 | } | |
994 | return 0; | |
995 | } | |
996 | ||
26edcf41 TS |
997 | static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr, |
998 | const fd_set *fds, | |
999 | int n) | |
31e31b8a | 1000 | { |
31e31b8a | 1001 | int i, nw, j, k; |
992f48a0 | 1002 | abi_long v; |
26edcf41 | 1003 | abi_ulong *target_fds; |
31e31b8a | 1004 | |
b1b2db29 | 1005 | nw = DIV_ROUND_UP(n, TARGET_ABI_BITS); |
26edcf41 TS |
1006 | if (!(target_fds = lock_user(VERIFY_WRITE, |
1007 | target_fds_addr, | |
1008 | sizeof(abi_ulong) * nw, | |
1009 | 0))) | |
1010 | return -TARGET_EFAULT; | |
1011 | ||
1012 | k = 0; | |
1013 | for (i = 0; i < nw; i++) { | |
1014 | v = 0; | |
1015 | for (j = 0; j < TARGET_ABI_BITS; j++) { | |
9ab709be | 1016 | v |= ((abi_ulong)(FD_ISSET(k, fds) != 0) << j); |
26edcf41 | 1017 | k++; |
31e31b8a | 1018 | } |
26edcf41 | 1019 | __put_user(v, &target_fds[i]); |
31e31b8a | 1020 | } |
26edcf41 TS |
1021 | |
1022 | unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw); | |
1023 | ||
1024 | return 0; | |
31e31b8a FB |
1025 | } |
1026 | ||
c596ed17 FB |
1027 | #if defined(__alpha__) |
1028 | #define HOST_HZ 1024 | |
1029 | #else | |
1030 | #define HOST_HZ 100 | |
1031 | #endif | |
1032 | ||
992f48a0 | 1033 | static inline abi_long host_to_target_clock_t(long ticks) |
c596ed17 FB |
1034 | { |
1035 | #if HOST_HZ == TARGET_HZ | |
1036 | return ticks; | |
1037 | #else | |
1038 | return ((int64_t)ticks * TARGET_HZ) / HOST_HZ; | |
1039 | #endif | |
1040 | } | |
1041 | ||
579a97f7 FB |
1042 | static inline abi_long host_to_target_rusage(abi_ulong target_addr, |
1043 | const struct rusage *rusage) | |
b409186b | 1044 | { |
53a5960a PB |
1045 | struct target_rusage *target_rusage; |
1046 | ||
579a97f7 FB |
1047 | if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0)) |
1048 | return -TARGET_EFAULT; | |
cbb21eed MB |
1049 | target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec); |
1050 | target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec); | |
1051 | target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec); | |
1052 | target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec); | |
1053 | target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss); | |
1054 | target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss); | |
1055 | target_rusage->ru_idrss = tswapal(rusage->ru_idrss); | |
1056 | target_rusage->ru_isrss = tswapal(rusage->ru_isrss); | |
1057 | target_rusage->ru_minflt = tswapal(rusage->ru_minflt); | |
1058 | target_rusage->ru_majflt = tswapal(rusage->ru_majflt); | |
1059 | target_rusage->ru_nswap = tswapal(rusage->ru_nswap); | |
1060 | target_rusage->ru_inblock = tswapal(rusage->ru_inblock); | |
1061 | target_rusage->ru_oublock = tswapal(rusage->ru_oublock); | |
1062 | target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd); | |
1063 | target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv); | |
1064 | target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals); | |
1065 | target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw); | |
1066 | target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw); | |
53a5960a | 1067 | unlock_user_struct(target_rusage, target_addr, 1); |
579a97f7 FB |
1068 | |
1069 | return 0; | |
b409186b FB |
1070 | } |
1071 | ||
cbb21eed | 1072 | static inline rlim_t target_to_host_rlim(abi_ulong target_rlim) |
81bbe906 | 1073 | { |
cbb21eed | 1074 | abi_ulong target_rlim_swap; |
95b33b2f WT |
1075 | rlim_t result; |
1076 | ||
cbb21eed MB |
1077 | target_rlim_swap = tswapal(target_rlim); |
1078 | if (target_rlim_swap == TARGET_RLIM_INFINITY) | |
1079 | return RLIM_INFINITY; | |
1080 | ||
1081 | result = target_rlim_swap; | |
1082 | if (target_rlim_swap != (rlim_t)result) | |
1083 | return RLIM_INFINITY; | |
95b33b2f WT |
1084 | |
1085 | return result; | |
81bbe906 TY |
1086 | } |
1087 | ||
cbb21eed | 1088 | static inline abi_ulong host_to_target_rlim(rlim_t rlim) |
81bbe906 | 1089 | { |
cbb21eed MB |
1090 | abi_ulong target_rlim_swap; |
1091 | abi_ulong result; | |
95b33b2f | 1092 | |
cbb21eed | 1093 | if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim) |
95b33b2f | 1094 | target_rlim_swap = TARGET_RLIM_INFINITY; |
81bbe906 | 1095 | else |
95b33b2f | 1096 | target_rlim_swap = rlim; |
cbb21eed | 1097 | result = tswapal(target_rlim_swap); |
95b33b2f WT |
1098 | |
1099 | return result; | |
81bbe906 TY |
1100 | } |
1101 | ||
e22b7015 WT |
1102 | static inline int target_to_host_resource(int code) |
1103 | { | |
1104 | switch (code) { | |
1105 | case TARGET_RLIMIT_AS: | |
1106 | return RLIMIT_AS; | |
1107 | case TARGET_RLIMIT_CORE: | |
1108 | return RLIMIT_CORE; | |
1109 | case TARGET_RLIMIT_CPU: | |
1110 | return RLIMIT_CPU; | |
1111 | case TARGET_RLIMIT_DATA: | |
1112 | return RLIMIT_DATA; | |
1113 | case TARGET_RLIMIT_FSIZE: | |
1114 | return RLIMIT_FSIZE; | |
1115 | case TARGET_RLIMIT_LOCKS: | |
1116 | return RLIMIT_LOCKS; | |
1117 | case TARGET_RLIMIT_MEMLOCK: | |
1118 | return RLIMIT_MEMLOCK; | |
1119 | case TARGET_RLIMIT_MSGQUEUE: | |
1120 | return RLIMIT_MSGQUEUE; | |
1121 | case TARGET_RLIMIT_NICE: | |
1122 | return RLIMIT_NICE; | |
1123 | case TARGET_RLIMIT_NOFILE: | |
1124 | return RLIMIT_NOFILE; | |
1125 | case TARGET_RLIMIT_NPROC: | |
1126 | return RLIMIT_NPROC; | |
1127 | case TARGET_RLIMIT_RSS: | |
1128 | return RLIMIT_RSS; | |
1129 | case TARGET_RLIMIT_RTPRIO: | |
1130 | return RLIMIT_RTPRIO; | |
1131 | case TARGET_RLIMIT_SIGPENDING: | |
1132 | return RLIMIT_SIGPENDING; | |
1133 | case TARGET_RLIMIT_STACK: | |
1134 | return RLIMIT_STACK; | |
1135 | default: | |
1136 | return code; | |
1137 | } | |
1138 | } | |
1139 | ||
788f5ec4 TS |
1140 | static inline abi_long copy_from_user_timeval(struct timeval *tv, |
1141 | abi_ulong target_tv_addr) | |
31e31b8a | 1142 | { |
53a5960a PB |
1143 | struct target_timeval *target_tv; |
1144 | ||
788f5ec4 | 1145 | if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1)) |
579a97f7 | 1146 | return -TARGET_EFAULT; |
788f5ec4 TS |
1147 | |
1148 | __get_user(tv->tv_sec, &target_tv->tv_sec); | |
1149 | __get_user(tv->tv_usec, &target_tv->tv_usec); | |
1150 | ||
1151 | unlock_user_struct(target_tv, target_tv_addr, 0); | |
579a97f7 FB |
1152 | |
1153 | return 0; | |
31e31b8a FB |
1154 | } |
1155 | ||
788f5ec4 TS |
1156 | static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr, |
1157 | const struct timeval *tv) | |
31e31b8a | 1158 | { |
53a5960a PB |
1159 | struct target_timeval *target_tv; |
1160 | ||
788f5ec4 | 1161 | if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) |
579a97f7 | 1162 | return -TARGET_EFAULT; |
788f5ec4 TS |
1163 | |
1164 | __put_user(tv->tv_sec, &target_tv->tv_sec); | |
1165 | __put_user(tv->tv_usec, &target_tv->tv_usec); | |
1166 | ||
1167 | unlock_user_struct(target_tv, target_tv_addr, 1); | |
579a97f7 FB |
1168 | |
1169 | return 0; | |
31e31b8a FB |
1170 | } |
1171 | ||
ef4467e9 PB |
1172 | static inline abi_long copy_from_user_timezone(struct timezone *tz, |
1173 | abi_ulong target_tz_addr) | |
1174 | { | |
1175 | struct target_timezone *target_tz; | |
1176 | ||
1177 | if (!lock_user_struct(VERIFY_READ, target_tz, target_tz_addr, 1)) { | |
1178 | return -TARGET_EFAULT; | |
1179 | } | |
1180 | ||
1181 | __get_user(tz->tz_minuteswest, &target_tz->tz_minuteswest); | |
1182 | __get_user(tz->tz_dsttime, &target_tz->tz_dsttime); | |
1183 | ||
1184 | unlock_user_struct(target_tz, target_tz_addr, 0); | |
1185 | ||
1186 | return 0; | |
1187 | } | |
1188 | ||
8ec9cf89 NF |
1189 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
1190 | #include <mqueue.h> | |
1191 | ||
24e1003a AJ |
1192 | static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr, |
1193 | abi_ulong target_mq_attr_addr) | |
1194 | { | |
1195 | struct target_mq_attr *target_mq_attr; | |
1196 | ||
1197 | if (!lock_user_struct(VERIFY_READ, target_mq_attr, | |
1198 | target_mq_attr_addr, 1)) | |
1199 | return -TARGET_EFAULT; | |
1200 | ||
1201 | __get_user(attr->mq_flags, &target_mq_attr->mq_flags); | |
1202 | __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); | |
1203 | __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); | |
1204 | __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); | |
1205 | ||
1206 | unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0); | |
1207 | ||
1208 | return 0; | |
1209 | } | |
1210 | ||
1211 | static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr, | |
1212 | const struct mq_attr *attr) | |
1213 | { | |
1214 | struct target_mq_attr *target_mq_attr; | |
1215 | ||
1216 | if (!lock_user_struct(VERIFY_WRITE, target_mq_attr, | |
1217 | target_mq_attr_addr, 0)) | |
1218 | return -TARGET_EFAULT; | |
1219 | ||
1220 | __put_user(attr->mq_flags, &target_mq_attr->mq_flags); | |
1221 | __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); | |
1222 | __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); | |
1223 | __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); | |
1224 | ||
1225 | unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1); | |
1226 | ||
1227 | return 0; | |
1228 | } | |
8ec9cf89 | 1229 | #endif |
31e31b8a | 1230 | |
055e0906 | 1231 | #if defined(TARGET_NR_select) || defined(TARGET_NR__newselect) |
0da46a6e | 1232 | /* do_select() must return target values and target errnos. */ |
992f48a0 | 1233 | static abi_long do_select(int n, |
26edcf41 TS |
1234 | abi_ulong rfd_addr, abi_ulong wfd_addr, |
1235 | abi_ulong efd_addr, abi_ulong target_tv_addr) | |
31e31b8a FB |
1236 | { |
1237 | fd_set rfds, wfds, efds; | |
1238 | fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; | |
6df9d38d PM |
1239 | struct timeval tv; |
1240 | struct timespec ts, *ts_ptr; | |
992f48a0 | 1241 | abi_long ret; |
31e31b8a | 1242 | |
055e0906 MF |
1243 | ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); |
1244 | if (ret) { | |
1245 | return ret; | |
53a5960a | 1246 | } |
055e0906 MF |
1247 | ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); |
1248 | if (ret) { | |
1249 | return ret; | |
53a5960a | 1250 | } |
055e0906 MF |
1251 | ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); |
1252 | if (ret) { | |
1253 | return ret; | |
53a5960a | 1254 | } |
3b46e624 | 1255 | |
26edcf41 | 1256 | if (target_tv_addr) { |
788f5ec4 TS |
1257 | if (copy_from_user_timeval(&tv, target_tv_addr)) |
1258 | return -TARGET_EFAULT; | |
6df9d38d PM |
1259 | ts.tv_sec = tv.tv_sec; |
1260 | ts.tv_nsec = tv.tv_usec * 1000; | |
1261 | ts_ptr = &ts; | |
31e31b8a | 1262 | } else { |
6df9d38d | 1263 | ts_ptr = NULL; |
31e31b8a | 1264 | } |
26edcf41 | 1265 | |
6df9d38d PM |
1266 | ret = get_errno(safe_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr, |
1267 | ts_ptr, NULL)); | |
53a5960a | 1268 | |
26edcf41 TS |
1269 | if (!is_error(ret)) { |
1270 | if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) | |
1271 | return -TARGET_EFAULT; | |
1272 | if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) | |
1273 | return -TARGET_EFAULT; | |
1274 | if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) | |
1275 | return -TARGET_EFAULT; | |
31e31b8a | 1276 | |
6df9d38d PM |
1277 | if (target_tv_addr) { |
1278 | tv.tv_sec = ts.tv_sec; | |
1279 | tv.tv_usec = ts.tv_nsec / 1000; | |
1280 | if (copy_to_user_timeval(target_tv_addr, &tv)) { | |
1281 | return -TARGET_EFAULT; | |
1282 | } | |
1283 | } | |
31e31b8a | 1284 | } |
579a97f7 | 1285 | |
31e31b8a FB |
1286 | return ret; |
1287 | } | |
5457dc9e LV |
1288 | |
1289 | #if defined(TARGET_WANT_OLD_SYS_SELECT) | |
1290 | static abi_long do_old_select(abi_ulong arg1) | |
1291 | { | |
1292 | struct target_sel_arg_struct *sel; | |
1293 | abi_ulong inp, outp, exp, tvp; | |
1294 | long nsel; | |
1295 | ||
1296 | if (!lock_user_struct(VERIFY_READ, sel, arg1, 1)) { | |
1297 | return -TARGET_EFAULT; | |
1298 | } | |
1299 | ||
1300 | nsel = tswapal(sel->n); | |
1301 | inp = tswapal(sel->inp); | |
1302 | outp = tswapal(sel->outp); | |
1303 | exp = tswapal(sel->exp); | |
1304 | tvp = tswapal(sel->tvp); | |
1305 | ||
1306 | unlock_user_struct(sel, arg1, 0); | |
1307 | ||
1308 | return do_select(nsel, inp, outp, exp, tvp); | |
1309 | } | |
1310 | #endif | |
055e0906 | 1311 | #endif |
31e31b8a | 1312 | |
099d6b0f RV |
1313 | static abi_long do_pipe2(int host_pipe[], int flags) |
1314 | { | |
1315 | #ifdef CONFIG_PIPE2 | |
1316 | return pipe2(host_pipe, flags); | |
1317 | #else | |
1318 | return -ENOSYS; | |
1319 | #endif | |
1320 | } | |
1321 | ||
fb41a66e RH |
1322 | static abi_long do_pipe(void *cpu_env, abi_ulong pipedes, |
1323 | int flags, int is_pipe2) | |
099d6b0f RV |
1324 | { |
1325 | int host_pipe[2]; | |
1326 | abi_long ret; | |
1327 | ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe); | |
1328 | ||
1329 | if (is_error(ret)) | |
1330 | return get_errno(ret); | |
fb41a66e RH |
1331 | |
1332 | /* Several targets have special calling conventions for the original | |
1333 | pipe syscall, but didn't replicate this into the pipe2 syscall. */ | |
1334 | if (!is_pipe2) { | |
1335 | #if defined(TARGET_ALPHA) | |
1336 | ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1]; | |
1337 | return host_pipe[0]; | |
1338 | #elif defined(TARGET_MIPS) | |
1339 | ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1]; | |
1340 | return host_pipe[0]; | |
1341 | #elif defined(TARGET_SH4) | |
597c0212 | 1342 | ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1]; |
fb41a66e | 1343 | return host_pipe[0]; |
82f05b69 PM |
1344 | #elif defined(TARGET_SPARC) |
1345 | ((CPUSPARCState*)cpu_env)->regwptr[1] = host_pipe[1]; | |
1346 | return host_pipe[0]; | |
597c0212 | 1347 | #endif |
fb41a66e RH |
1348 | } |
1349 | ||
099d6b0f RV |
1350 | if (put_user_s32(host_pipe[0], pipedes) |
1351 | || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0]))) | |
1352 | return -TARGET_EFAULT; | |
099d6b0f RV |
1353 | return get_errno(ret); |
1354 | } | |
1355 | ||
b975b83b LL |
1356 | static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn, |
1357 | abi_ulong target_addr, | |
1358 | socklen_t len) | |
1359 | { | |
1360 | struct target_ip_mreqn *target_smreqn; | |
1361 | ||
1362 | target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1); | |
1363 | if (!target_smreqn) | |
1364 | return -TARGET_EFAULT; | |
1365 | mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr; | |
1366 | mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr; | |
1367 | if (len == sizeof(struct target_ip_mreqn)) | |
cbb21eed | 1368 | mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex); |
b975b83b LL |
1369 | unlock_user(target_smreqn, target_addr, 0); |
1370 | ||
1371 | return 0; | |
1372 | } | |
1373 | ||
7b36f782 | 1374 | static inline abi_long target_to_host_sockaddr(int fd, struct sockaddr *addr, |
579a97f7 FB |
1375 | abi_ulong target_addr, |
1376 | socklen_t len) | |
7854b056 | 1377 | { |
607175e0 AJ |
1378 | const socklen_t unix_maxlen = sizeof (struct sockaddr_un); |
1379 | sa_family_t sa_family; | |
53a5960a PB |
1380 | struct target_sockaddr *target_saddr; |
1381 | ||
7b36f782 LV |
1382 | if (fd_trans_target_to_host_addr(fd)) { |
1383 | return fd_trans_target_to_host_addr(fd)(addr, target_addr, len); | |
1384 | } | |
1385 | ||
579a97f7 FB |
1386 | target_saddr = lock_user(VERIFY_READ, target_addr, len, 1); |
1387 | if (!target_saddr) | |
1388 | return -TARGET_EFAULT; | |
607175e0 AJ |
1389 | |
1390 | sa_family = tswap16(target_saddr->sa_family); | |
1391 | ||
1392 | /* Oops. The caller might send a incomplete sun_path; sun_path | |
1393 | * must be terminated by \0 (see the manual page), but | |
1394 | * unfortunately it is quite common to specify sockaddr_un | |
1395 | * length as "strlen(x->sun_path)" while it should be | |
1396 | * "strlen(...) + 1". We'll fix that here if needed. | |
1397 | * Linux kernel has a similar feature. | |
1398 | */ | |
1399 | ||
1400 | if (sa_family == AF_UNIX) { | |
1401 | if (len < unix_maxlen && len > 0) { | |
1402 | char *cp = (char*)target_saddr; | |
1403 | ||
1404 | if ( cp[len-1] && !cp[len] ) | |
1405 | len++; | |
1406 | } | |
1407 | if (len > unix_maxlen) | |
1408 | len = unix_maxlen; | |
1409 | } | |
1410 | ||
53a5960a | 1411 | memcpy(addr, target_saddr, len); |
607175e0 | 1412 | addr->sa_family = sa_family; |
6c5b5645 LV |
1413 | if (sa_family == AF_NETLINK) { |
1414 | struct sockaddr_nl *nladdr; | |
1415 | ||
1416 | nladdr = (struct sockaddr_nl *)addr; | |
1417 | nladdr->nl_pid = tswap32(nladdr->nl_pid); | |
1418 | nladdr->nl_groups = tswap32(nladdr->nl_groups); | |
1419 | } else if (sa_family == AF_PACKET) { | |
33a29b51 JT |
1420 | struct target_sockaddr_ll *lladdr; |
1421 | ||
1422 | lladdr = (struct target_sockaddr_ll *)addr; | |
1423 | lladdr->sll_ifindex = tswap32(lladdr->sll_ifindex); | |
1424 | lladdr->sll_hatype = tswap16(lladdr->sll_hatype); | |
1425 | } | |
53a5960a | 1426 | unlock_user(target_saddr, target_addr, 0); |
579a97f7 FB |
1427 | |
1428 | return 0; | |
7854b056 FB |
1429 | } |
1430 | ||
579a97f7 FB |
1431 | static inline abi_long host_to_target_sockaddr(abi_ulong target_addr, |
1432 | struct sockaddr *addr, | |
1433 | socklen_t len) | |
7854b056 | 1434 | { |
53a5960a PB |
1435 | struct target_sockaddr *target_saddr; |
1436 | ||
a1e22192 PM |
1437 | if (len == 0) { |
1438 | return 0; | |
1439 | } | |
6860710c | 1440 | assert(addr); |
a1e22192 | 1441 | |
579a97f7 FB |
1442 | target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0); |
1443 | if (!target_saddr) | |
1444 | return -TARGET_EFAULT; | |
53a5960a | 1445 | memcpy(target_saddr, addr, len); |
a1e22192 PM |
1446 | if (len >= offsetof(struct target_sockaddr, sa_family) + |
1447 | sizeof(target_saddr->sa_family)) { | |
1448 | target_saddr->sa_family = tswap16(addr->sa_family); | |
1449 | } | |
1450 | if (addr->sa_family == AF_NETLINK && len >= sizeof(struct sockaddr_nl)) { | |
6c5b5645 LV |
1451 | struct sockaddr_nl *target_nl = (struct sockaddr_nl *)target_saddr; |
1452 | target_nl->nl_pid = tswap32(target_nl->nl_pid); | |
1453 | target_nl->nl_groups = tswap32(target_nl->nl_groups); | |
a82ea939 LV |
1454 | } else if (addr->sa_family == AF_PACKET) { |
1455 | struct sockaddr_ll *target_ll = (struct sockaddr_ll *)target_saddr; | |
1456 | target_ll->sll_ifindex = tswap32(target_ll->sll_ifindex); | |
1457 | target_ll->sll_hatype = tswap16(target_ll->sll_hatype); | |
ee1ac3a1 HD |
1458 | } else if (addr->sa_family == AF_INET6 && |
1459 | len >= sizeof(struct target_sockaddr_in6)) { | |
1460 | struct target_sockaddr_in6 *target_in6 = | |
1461 | (struct target_sockaddr_in6 *)target_saddr; | |
1462 | target_in6->sin6_scope_id = tswap16(target_in6->sin6_scope_id); | |
6c5b5645 | 1463 | } |
53a5960a | 1464 | unlock_user(target_saddr, target_addr, len); |
579a97f7 FB |
1465 | |
1466 | return 0; | |
7854b056 FB |
1467 | } |
1468 | ||
5a4a898d FB |
1469 | static inline abi_long target_to_host_cmsg(struct msghdr *msgh, |
1470 | struct target_msghdr *target_msgh) | |
7854b056 FB |
1471 | { |
1472 | struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); | |
5a4a898d FB |
1473 | abi_long msg_controllen; |
1474 | abi_ulong target_cmsg_addr; | |
ee104587 | 1475 | struct target_cmsghdr *target_cmsg, *target_cmsg_start; |
7854b056 | 1476 | socklen_t space = 0; |
5a4a898d | 1477 | |
cbb21eed | 1478 | msg_controllen = tswapal(target_msgh->msg_controllen); |
5a4a898d FB |
1479 | if (msg_controllen < sizeof (struct target_cmsghdr)) |
1480 | goto the_end; | |
cbb21eed | 1481 | target_cmsg_addr = tswapal(target_msgh->msg_control); |
5a4a898d | 1482 | target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1); |
ee104587 | 1483 | target_cmsg_start = target_cmsg; |
5a4a898d FB |
1484 | if (!target_cmsg) |
1485 | return -TARGET_EFAULT; | |
7854b056 FB |
1486 | |
1487 | while (cmsg && target_cmsg) { | |
1488 | void *data = CMSG_DATA(cmsg); | |
1489 | void *target_data = TARGET_CMSG_DATA(target_cmsg); | |
1490 | ||
cbb21eed | 1491 | int len = tswapal(target_cmsg->cmsg_len) |
ad762b99 | 1492 | - sizeof(struct target_cmsghdr); |
7854b056 FB |
1493 | |
1494 | space += CMSG_SPACE(len); | |
1495 | if (space > msgh->msg_controllen) { | |
1496 | space -= CMSG_SPACE(len); | |
c2aeb258 PM |
1497 | /* This is a QEMU bug, since we allocated the payload |
1498 | * area ourselves (unlike overflow in host-to-target | |
1499 | * conversion, which is just the guest giving us a buffer | |
1500 | * that's too small). It can't happen for the payload types | |
1501 | * we currently support; if it becomes an issue in future | |
1502 | * we would need to improve our allocation strategy to | |
1503 | * something more intelligent than "twice the size of the | |
1504 | * target buffer we're reading from". | |
1505 | */ | |
31febb71 | 1506 | gemu_log("Host cmsg overflow\n"); |
7854b056 FB |
1507 | break; |
1508 | } | |
1509 | ||
dbf4f796 PJ |
1510 | if (tswap32(target_cmsg->cmsg_level) == TARGET_SOL_SOCKET) { |
1511 | cmsg->cmsg_level = SOL_SOCKET; | |
1512 | } else { | |
1513 | cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level); | |
1514 | } | |
7854b056 FB |
1515 | cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type); |
1516 | cmsg->cmsg_len = CMSG_LEN(len); | |
1517 | ||
30b8b68e | 1518 | if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS) { |
7854b056 FB |
1519 | int *fd = (int *)data; |
1520 | int *target_fd = (int *)target_data; | |
1521 | int i, numfds = len / sizeof(int); | |
1522 | ||
876e23cb PM |
1523 | for (i = 0; i < numfds; i++) { |
1524 | __get_user(fd[i], target_fd + i); | |
1525 | } | |
30b8b68e AS |
1526 | } else if (cmsg->cmsg_level == SOL_SOCKET |
1527 | && cmsg->cmsg_type == SCM_CREDENTIALS) { | |
1528 | struct ucred *cred = (struct ucred *)data; | |
1529 | struct target_ucred *target_cred = | |
1530 | (struct target_ucred *)target_data; | |
1531 | ||
876e23cb PM |
1532 | __get_user(cred->pid, &target_cred->pid); |
1533 | __get_user(cred->uid, &target_cred->uid); | |
1534 | __get_user(cred->gid, &target_cred->gid); | |
30b8b68e AS |
1535 | } else { |
1536 | gemu_log("Unsupported ancillary data: %d/%d\n", | |
1537 | cmsg->cmsg_level, cmsg->cmsg_type); | |
1538 | memcpy(data, target_data, len); | |
7854b056 FB |
1539 | } |
1540 | ||
1541 | cmsg = CMSG_NXTHDR(msgh, cmsg); | |
ee104587 JN |
1542 | target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg, |
1543 | target_cmsg_start); | |
7854b056 | 1544 | } |
5a4a898d FB |
1545 | unlock_user(target_cmsg, target_cmsg_addr, 0); |
1546 | the_end: | |
7854b056 | 1547 | msgh->msg_controllen = space; |
5a4a898d | 1548 | return 0; |
7854b056 FB |
1549 | } |
1550 | ||
5a4a898d FB |
1551 | static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh, |
1552 | struct msghdr *msgh) | |
7854b056 FB |
1553 | { |
1554 | struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); | |
5a4a898d FB |
1555 | abi_long msg_controllen; |
1556 | abi_ulong target_cmsg_addr; | |
ee104587 | 1557 | struct target_cmsghdr *target_cmsg, *target_cmsg_start; |
7854b056 FB |
1558 | socklen_t space = 0; |
1559 | ||
cbb21eed | 1560 | msg_controllen = tswapal(target_msgh->msg_controllen); |
5a4a898d FB |
1561 | if (msg_controllen < sizeof (struct target_cmsghdr)) |
1562 | goto the_end; | |
cbb21eed | 1563 | target_cmsg_addr = tswapal(target_msgh->msg_control); |
5a4a898d | 1564 | target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0); |
ee104587 | 1565 | target_cmsg_start = target_cmsg; |
5a4a898d FB |
1566 | if (!target_cmsg) |
1567 | return -TARGET_EFAULT; | |
1568 | ||
7854b056 FB |
1569 | while (cmsg && target_cmsg) { |
1570 | void *data = CMSG_DATA(cmsg); | |
1571 | void *target_data = TARGET_CMSG_DATA(target_cmsg); | |
1572 | ||
ad762b99 | 1573 | int len = cmsg->cmsg_len - sizeof(struct cmsghdr); |
c2aeb258 | 1574 | int tgt_len, tgt_space; |
7854b056 | 1575 | |
c2aeb258 PM |
1576 | /* We never copy a half-header but may copy half-data; |
1577 | * this is Linux's behaviour in put_cmsg(). Note that | |
1578 | * truncation here is a guest problem (which we report | |
1579 | * to the guest via the CTRUNC bit), unlike truncation | |
1580 | * in target_to_host_cmsg, which is a QEMU bug. | |
1581 | */ | |
7174970a | 1582 | if (msg_controllen < sizeof(struct target_cmsghdr)) { |
c2aeb258 | 1583 | target_msgh->msg_flags |= tswap32(MSG_CTRUNC); |
7854b056 FB |
1584 | break; |
1585 | } | |
1586 | ||
dbf4f796 PJ |
1587 | if (cmsg->cmsg_level == SOL_SOCKET) { |
1588 | target_cmsg->cmsg_level = tswap32(TARGET_SOL_SOCKET); | |
1589 | } else { | |
1590 | target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level); | |
1591 | } | |
7854b056 | 1592 | target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type); |
7854b056 | 1593 | |
c2aeb258 PM |
1594 | /* Payload types which need a different size of payload on |
1595 | * the target must adjust tgt_len here. | |
1596 | */ | |
309786cf | 1597 | tgt_len = len; |
c2aeb258 PM |
1598 | switch (cmsg->cmsg_level) { |
1599 | case SOL_SOCKET: | |
1600 | switch (cmsg->cmsg_type) { | |
1601 | case SO_TIMESTAMP: | |
1602 | tgt_len = sizeof(struct target_timeval); | |
1603 | break; | |
1604 | default: | |
1605 | break; | |
1606 | } | |
309786cf | 1607 | break; |
c2aeb258 PM |
1608 | default: |
1609 | break; | |
1610 | } | |
1611 | ||
7174970a | 1612 | if (msg_controllen < TARGET_CMSG_LEN(tgt_len)) { |
c2aeb258 | 1613 | target_msgh->msg_flags |= tswap32(MSG_CTRUNC); |
7174970a | 1614 | tgt_len = msg_controllen - sizeof(struct target_cmsghdr); |
c2aeb258 PM |
1615 | } |
1616 | ||
1617 | /* We must now copy-and-convert len bytes of payload | |
1618 | * into tgt_len bytes of destination space. Bear in mind | |
1619 | * that in both source and destination we may be dealing | |
1620 | * with a truncated value! | |
1621 | */ | |
52b65494 HD |
1622 | switch (cmsg->cmsg_level) { |
1623 | case SOL_SOCKET: | |
1624 | switch (cmsg->cmsg_type) { | |
1625 | case SCM_RIGHTS: | |
1626 | { | |
1627 | int *fd = (int *)data; | |
1628 | int *target_fd = (int *)target_data; | |
c2aeb258 | 1629 | int i, numfds = tgt_len / sizeof(int); |
52b65494 | 1630 | |
876e23cb PM |
1631 | for (i = 0; i < numfds; i++) { |
1632 | __put_user(fd[i], target_fd + i); | |
1633 | } | |
52b65494 HD |
1634 | break; |
1635 | } | |
1636 | case SO_TIMESTAMP: | |
1637 | { | |
1638 | struct timeval *tv = (struct timeval *)data; | |
1639 | struct target_timeval *target_tv = | |
1640 | (struct target_timeval *)target_data; | |
1641 | ||
c2aeb258 PM |
1642 | if (len != sizeof(struct timeval) || |
1643 | tgt_len != sizeof(struct target_timeval)) { | |
52b65494 | 1644 | goto unimplemented; |
c2aeb258 | 1645 | } |
52b65494 HD |
1646 | |
1647 | /* copy struct timeval to target */ | |
876e23cb PM |
1648 | __put_user(tv->tv_sec, &target_tv->tv_sec); |
1649 | __put_user(tv->tv_usec, &target_tv->tv_usec); | |
52b65494 HD |
1650 | break; |
1651 | } | |
4bc29756 HD |
1652 | case SCM_CREDENTIALS: |
1653 | { | |
1654 | struct ucred *cred = (struct ucred *)data; | |
1655 | struct target_ucred *target_cred = | |
1656 | (struct target_ucred *)target_data; | |
1657 | ||
1658 | __put_user(cred->pid, &target_cred->pid); | |
1659 | __put_user(cred->uid, &target_cred->uid); | |
1660 | __put_user(cred->gid, &target_cred->gid); | |
1661 | break; | |
1662 | } | |
52b65494 HD |
1663 | default: |
1664 | goto unimplemented; | |
1665 | } | |
1666 | break; | |
7854b056 | 1667 | |
ee1ac3a1 HD |
1668 | case SOL_IP: |
1669 | switch (cmsg->cmsg_type) { | |
1670 | case IP_TTL: | |
1671 | { | |
1672 | uint32_t *v = (uint32_t *)data; | |
1673 | uint32_t *t_int = (uint32_t *)target_data; | |
1674 | ||
7174970a PM |
1675 | if (len != sizeof(uint32_t) || |
1676 | tgt_len != sizeof(uint32_t)) { | |
1677 | goto unimplemented; | |
1678 | } | |
ee1ac3a1 HD |
1679 | __put_user(*v, t_int); |
1680 | break; | |
1681 | } | |
1682 | case IP_RECVERR: | |
1683 | { | |
1684 | struct errhdr_t { | |
1685 | struct sock_extended_err ee; | |
1686 | struct sockaddr_in offender; | |
1687 | }; | |
1688 | struct errhdr_t *errh = (struct errhdr_t *)data; | |
1689 | struct errhdr_t *target_errh = | |
1690 | (struct errhdr_t *)target_data; | |
1691 | ||
7174970a PM |
1692 | if (len != sizeof(struct errhdr_t) || |
1693 | tgt_len != sizeof(struct errhdr_t)) { | |
1694 | goto unimplemented; | |
1695 | } | |
ee1ac3a1 HD |
1696 | __put_user(errh->ee.ee_errno, &target_errh->ee.ee_errno); |
1697 | __put_user(errh->ee.ee_origin, &target_errh->ee.ee_origin); | |
1698 | __put_user(errh->ee.ee_type, &target_errh->ee.ee_type); | |
1699 | __put_user(errh->ee.ee_code, &target_errh->ee.ee_code); | |
1700 | __put_user(errh->ee.ee_pad, &target_errh->ee.ee_pad); | |
1701 | __put_user(errh->ee.ee_info, &target_errh->ee.ee_info); | |
1702 | __put_user(errh->ee.ee_data, &target_errh->ee.ee_data); | |
1703 | host_to_target_sockaddr((unsigned long) &target_errh->offender, | |
1704 | (void *) &errh->offender, sizeof(errh->offender)); | |
1705 | break; | |
1706 | } | |
1707 | default: | |
1708 | goto unimplemented; | |
1709 | } | |
1710 | break; | |
1711 | ||
1712 | case SOL_IPV6: | |
1713 | switch (cmsg->cmsg_type) { | |
1714 | case IPV6_HOPLIMIT: | |
1715 | { | |
1716 | uint32_t *v = (uint32_t *)data; | |
1717 | uint32_t *t_int = (uint32_t *)target_data; | |
1718 | ||
7174970a PM |
1719 | if (len != sizeof(uint32_t) || |
1720 | tgt_len != sizeof(uint32_t)) { | |
1721 | goto unimplemented; | |
1722 | } | |
ee1ac3a1 HD |
1723 | __put_user(*v, t_int); |
1724 | break; | |
1725 | } | |
1726 | case IPV6_RECVERR: | |
1727 | { | |
1728 | struct errhdr6_t { | |
1729 | struct sock_extended_err ee; | |
1730 | struct sockaddr_in6 offender; | |
1731 | }; | |
1732 | struct errhdr6_t *errh = (struct errhdr6_t *)data; | |
1733 | struct errhdr6_t *target_errh = | |
1734 | (struct errhdr6_t *)target_data; | |
1735 | ||
7174970a PM |
1736 | if (len != sizeof(struct errhdr6_t) || |
1737 | tgt_len != sizeof(struct errhdr6_t)) { | |
1738 | goto unimplemented; | |
1739 | } | |
ee1ac3a1 HD |
1740 | __put_user(errh->ee.ee_errno, &target_errh->ee.ee_errno); |
1741 | __put_user(errh->ee.ee_origin, &target_errh->ee.ee_origin); | |
1742 | __put_user(errh->ee.ee_type, &target_errh->ee.ee_type); | |
1743 | __put_user(errh->ee.ee_code, &target_errh->ee.ee_code); | |
1744 | __put_user(errh->ee.ee_pad, &target_errh->ee.ee_pad); | |
1745 | __put_user(errh->ee.ee_info, &target_errh->ee.ee_info); | |
1746 | __put_user(errh->ee.ee_data, &target_errh->ee.ee_data); | |
1747 | host_to_target_sockaddr((unsigned long) &target_errh->offender, | |
1748 | (void *) &errh->offender, sizeof(errh->offender)); | |
1749 | break; | |
1750 | } | |
1751 | default: | |
1752 | goto unimplemented; | |
1753 | } | |
1754 | break; | |
1755 | ||
52b65494 HD |
1756 | default: |
1757 | unimplemented: | |
aebf5bc7 JH |
1758 | gemu_log("Unsupported ancillary data: %d/%d\n", |
1759 | cmsg->cmsg_level, cmsg->cmsg_type); | |
c2aeb258 PM |
1760 | memcpy(target_data, data, MIN(len, tgt_len)); |
1761 | if (tgt_len > len) { | |
1762 | memset(target_data + len, 0, tgt_len - len); | |
1763 | } | |
7854b056 FB |
1764 | } |
1765 | ||
7174970a PM |
1766 | target_cmsg->cmsg_len = tswapal(TARGET_CMSG_LEN(tgt_len)); |
1767 | tgt_space = TARGET_CMSG_SPACE(tgt_len); | |
c2aeb258 PM |
1768 | if (msg_controllen < tgt_space) { |
1769 | tgt_space = msg_controllen; | |
1770 | } | |
1771 | msg_controllen -= tgt_space; | |
1772 | space += tgt_space; | |
7854b056 | 1773 | cmsg = CMSG_NXTHDR(msgh, cmsg); |
ee104587 JN |
1774 | target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg, |
1775 | target_cmsg_start); | |
7854b056 | 1776 | } |
5a4a898d FB |
1777 | unlock_user(target_cmsg, target_cmsg_addr, space); |
1778 | the_end: | |
cbb21eed | 1779 | target_msgh->msg_controllen = tswapal(space); |
5a4a898d | 1780 | return 0; |
7854b056 FB |
1781 | } |
1782 | ||
0da46a6e | 1783 | /* do_setsockopt() Must return target values and target errnos. */ |
992f48a0 | 1784 | static abi_long do_setsockopt(int sockfd, int level, int optname, |
2f619698 | 1785 | abi_ulong optval_addr, socklen_t optlen) |
7854b056 | 1786 | { |
992f48a0 | 1787 | abi_long ret; |
32407103 | 1788 | int val; |
b975b83b | 1789 | struct ip_mreqn *ip_mreq; |
6e3cb58f | 1790 | struct ip_mreq_source *ip_mreq_source; |
3b46e624 | 1791 | |
8853f86e FB |
1792 | switch(level) { |
1793 | case SOL_TCP: | |
7854b056 | 1794 | /* TCP options all take an 'int' value. */ |
7854b056 | 1795 | if (optlen < sizeof(uint32_t)) |
0da46a6e | 1796 | return -TARGET_EINVAL; |
3b46e624 | 1797 | |
2f619698 FB |
1798 | if (get_user_u32(val, optval_addr)) |
1799 | return -TARGET_EFAULT; | |
8853f86e FB |
1800 | ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); |
1801 | break; | |
1802 | case SOL_IP: | |
1803 | switch(optname) { | |
2efbe911 FB |
1804 | case IP_TOS: |
1805 | case IP_TTL: | |
8853f86e | 1806 | case IP_HDRINCL: |
2efbe911 FB |
1807 | case IP_ROUTER_ALERT: |
1808 | case IP_RECVOPTS: | |
1809 | case IP_RETOPTS: | |
1810 | case IP_PKTINFO: | |
1811 | case IP_MTU_DISCOVER: | |
1812 | case IP_RECVERR: | |
ee1ac3a1 | 1813 | case IP_RECVTTL: |
2efbe911 FB |
1814 | case IP_RECVTOS: |
1815 | #ifdef IP_FREEBIND | |
1816 | case IP_FREEBIND: | |
1817 | #endif | |
1818 | case IP_MULTICAST_TTL: | |
1819 | case IP_MULTICAST_LOOP: | |
8853f86e FB |
1820 | val = 0; |
1821 | if (optlen >= sizeof(uint32_t)) { | |
2f619698 FB |
1822 | if (get_user_u32(val, optval_addr)) |
1823 | return -TARGET_EFAULT; | |
8853f86e | 1824 | } else if (optlen >= 1) { |
2f619698 FB |
1825 | if (get_user_u8(val, optval_addr)) |
1826 | return -TARGET_EFAULT; | |
8853f86e FB |
1827 | } |
1828 | ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); | |
1829 | break; | |
b975b83b LL |
1830 | case IP_ADD_MEMBERSHIP: |
1831 | case IP_DROP_MEMBERSHIP: | |
1832 | if (optlen < sizeof (struct target_ip_mreq) || | |
1833 | optlen > sizeof (struct target_ip_mreqn)) | |
1834 | return -TARGET_EINVAL; | |
1835 | ||
1836 | ip_mreq = (struct ip_mreqn *) alloca(optlen); | |
1837 | target_to_host_ip_mreq(ip_mreq, optval_addr, optlen); | |
1838 | ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen)); | |
1839 | break; | |
1840 | ||
6e3cb58f LL |
1841 | case IP_BLOCK_SOURCE: |
1842 | case IP_UNBLOCK_SOURCE: | |
1843 | case IP_ADD_SOURCE_MEMBERSHIP: | |
1844 | case IP_DROP_SOURCE_MEMBERSHIP: | |
1845 | if (optlen != sizeof (struct target_ip_mreq_source)) | |
1846 | return -TARGET_EINVAL; | |
1847 | ||
1848 | ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1); | |
1849 | ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen)); | |
1850 | unlock_user (ip_mreq_source, optval_addr, 0); | |
1851 | break; | |
1852 | ||
920394db JH |
1853 | default: |
1854 | goto unimplemented; | |
1855 | } | |
1856 | break; | |
0d78b3b5 LV |
1857 | case SOL_IPV6: |
1858 | switch (optname) { | |
1859 | case IPV6_MTU_DISCOVER: | |
1860 | case IPV6_MTU: | |
1861 | case IPV6_V6ONLY: | |
1862 | case IPV6_RECVPKTINFO: | |
ee1ac3a1 | 1863 | case IPV6_UNICAST_HOPS: |
21749c4c LV |
1864 | case IPV6_MULTICAST_HOPS: |
1865 | case IPV6_MULTICAST_LOOP: | |
ee1ac3a1 HD |
1866 | case IPV6_RECVERR: |
1867 | case IPV6_RECVHOPLIMIT: | |
1868 | case IPV6_2292HOPLIMIT: | |
1869 | case IPV6_CHECKSUM: | |
0d78b3b5 LV |
1870 | val = 0; |
1871 | if (optlen < sizeof(uint32_t)) { | |
1872 | return -TARGET_EINVAL; | |
1873 | } | |
1874 | if (get_user_u32(val, optval_addr)) { | |
1875 | return -TARGET_EFAULT; | |
1876 | } | |
1877 | ret = get_errno(setsockopt(sockfd, level, optname, | |
1878 | &val, sizeof(val))); | |
1879 | break; | |
ee1ac3a1 HD |
1880 | case IPV6_PKTINFO: |
1881 | { | |
1882 | struct in6_pktinfo pki; | |
1883 | ||
1884 | if (optlen < sizeof(pki)) { | |
1885 | return -TARGET_EINVAL; | |
1886 | } | |
1887 | ||
1888 | if (copy_from_user(&pki, optval_addr, sizeof(pki))) { | |
1889 | return -TARGET_EFAULT; | |
1890 | } | |
1891 | ||
1892 | pki.ipi6_ifindex = tswap32(pki.ipi6_ifindex); | |
1893 | ||
1894 | ret = get_errno(setsockopt(sockfd, level, optname, | |
1895 | &pki, sizeof(pki))); | |
1896 | break; | |
1897 | } | |
1898 | default: | |
1899 | goto unimplemented; | |
1900 | } | |
1901 | break; | |
1902 | case SOL_ICMPV6: | |
1903 | switch (optname) { | |
1904 | case ICMPV6_FILTER: | |
1905 | { | |
1906 | struct icmp6_filter icmp6f; | |
1907 | ||
1908 | if (optlen > sizeof(icmp6f)) { | |
1909 | optlen = sizeof(icmp6f); | |
1910 | } | |
1911 | ||
1912 | if (copy_from_user(&icmp6f, optval_addr, optlen)) { | |
1913 | return -TARGET_EFAULT; | |
1914 | } | |
1915 | ||
1916 | for (val = 0; val < 8; val++) { | |
1917 | icmp6f.data[val] = tswap32(icmp6f.data[val]); | |
1918 | } | |
1919 | ||
1920 | ret = get_errno(setsockopt(sockfd, level, optname, | |
1921 | &icmp6f, optlen)); | |
1922 | break; | |
1923 | } | |
0d78b3b5 LV |
1924 | default: |
1925 | goto unimplemented; | |
1926 | } | |
1927 | break; | |
920394db JH |
1928 | case SOL_RAW: |
1929 | switch (optname) { | |
1930 | case ICMP_FILTER: | |
ee1ac3a1 HD |
1931 | case IPV6_CHECKSUM: |
1932 | /* those take an u32 value */ | |
920394db JH |
1933 | if (optlen < sizeof(uint32_t)) { |
1934 | return -TARGET_EINVAL; | |
1935 | } | |
1936 | ||
1937 | if (get_user_u32(val, optval_addr)) { | |
1938 | return -TARGET_EFAULT; | |
1939 | } | |
1940 | ret = get_errno(setsockopt(sockfd, level, optname, | |
1941 | &val, sizeof(val))); | |
1942 | break; | |
1943 | ||
8853f86e FB |
1944 | default: |
1945 | goto unimplemented; | |
1946 | } | |
1947 | break; | |
3532fa74 | 1948 | case TARGET_SOL_SOCKET: |
8853f86e | 1949 | switch (optname) { |
1b09aeb9 LV |
1950 | case TARGET_SO_RCVTIMEO: |
1951 | { | |
1952 | struct timeval tv; | |
1953 | ||
1954 | optname = SO_RCVTIMEO; | |
1955 | ||
1956 | set_timeout: | |
1957 | if (optlen != sizeof(struct target_timeval)) { | |
1958 | return -TARGET_EINVAL; | |
1959 | } | |
1960 | ||
1961 | if (copy_from_user_timeval(&tv, optval_addr)) { | |
1962 | return -TARGET_EFAULT; | |
1963 | } | |
1964 | ||
1965 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, | |
1966 | &tv, sizeof(tv))); | |
1967 | return ret; | |
1968 | } | |
1969 | case TARGET_SO_SNDTIMEO: | |
1970 | optname = SO_SNDTIMEO; | |
1971 | goto set_timeout; | |
f57d4192 LV |
1972 | case TARGET_SO_ATTACH_FILTER: |
1973 | { | |
1974 | struct target_sock_fprog *tfprog; | |
1975 | struct target_sock_filter *tfilter; | |
1976 | struct sock_fprog fprog; | |
1977 | struct sock_filter *filter; | |
1978 | int i; | |
1979 | ||
1980 | if (optlen != sizeof(*tfprog)) { | |
1981 | return -TARGET_EINVAL; | |
1982 | } | |
1983 | if (!lock_user_struct(VERIFY_READ, tfprog, optval_addr, 0)) { | |
1984 | return -TARGET_EFAULT; | |
1985 | } | |
1986 | if (!lock_user_struct(VERIFY_READ, tfilter, | |
1987 | tswapal(tfprog->filter), 0)) { | |
1988 | unlock_user_struct(tfprog, optval_addr, 1); | |
1989 | return -TARGET_EFAULT; | |
1990 | } | |
1991 | ||
1992 | fprog.len = tswap16(tfprog->len); | |
0e173b24 | 1993 | filter = g_try_new(struct sock_filter, fprog.len); |
f57d4192 LV |
1994 | if (filter == NULL) { |
1995 | unlock_user_struct(tfilter, tfprog->filter, 1); | |
1996 | unlock_user_struct(tfprog, optval_addr, 1); | |
1997 | return -TARGET_ENOMEM; | |
1998 | } | |
1999 | for (i = 0; i < fprog.len; i++) { | |
2000 | filter[i].code = tswap16(tfilter[i].code); | |
2001 | filter[i].jt = tfilter[i].jt; | |
2002 | filter[i].jf = tfilter[i].jf; | |
2003 | filter[i].k = tswap32(tfilter[i].k); | |
2004 | } | |
2005 | fprog.filter = filter; | |
2006 | ||
2007 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, | |
2008 | SO_ATTACH_FILTER, &fprog, sizeof(fprog))); | |
0e173b24 | 2009 | g_free(filter); |
f57d4192 LV |
2010 | |
2011 | unlock_user_struct(tfilter, tfprog->filter, 1); | |
2012 | unlock_user_struct(tfprog, optval_addr, 1); | |
2013 | return ret; | |
2014 | } | |
451aaf68 JT |
2015 | case TARGET_SO_BINDTODEVICE: |
2016 | { | |
2017 | char *dev_ifname, *addr_ifname; | |
2018 | ||
2019 | if (optlen > IFNAMSIZ - 1) { | |
2020 | optlen = IFNAMSIZ - 1; | |
2021 | } | |
2022 | dev_ifname = lock_user(VERIFY_READ, optval_addr, optlen, 1); | |
2023 | if (!dev_ifname) { | |
2024 | return -TARGET_EFAULT; | |
2025 | } | |
2026 | optname = SO_BINDTODEVICE; | |
2027 | addr_ifname = alloca(IFNAMSIZ); | |
2028 | memcpy(addr_ifname, dev_ifname, optlen); | |
2029 | addr_ifname[optlen] = 0; | |
fad6c58a CG |
2030 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, |
2031 | addr_ifname, optlen)); | |
451aaf68 JT |
2032 | unlock_user (dev_ifname, optval_addr, 0); |
2033 | return ret; | |
2034 | } | |
83eb6e50 CMAB |
2035 | case TARGET_SO_LINGER: |
2036 | { | |
2037 | struct linger lg; | |
2038 | struct target_linger *tlg; | |
2039 | ||
2040 | if (optlen != sizeof(struct target_linger)) { | |
2041 | return -TARGET_EINVAL; | |
2042 | } | |
2043 | if (!lock_user_struct(VERIFY_READ, tlg, optval_addr, 1)) { | |
2044 | return -TARGET_EFAULT; | |
2045 | } | |
2046 | __get_user(lg.l_onoff, &tlg->l_onoff); | |
2047 | __get_user(lg.l_linger, &tlg->l_linger); | |
2048 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, SO_LINGER, | |
2049 | &lg, sizeof(lg))); | |
2050 | unlock_user_struct(tlg, optval_addr, 0); | |
2051 | return ret; | |
2052 | } | |
8853f86e | 2053 | /* Options with 'int' argument. */ |
3532fa74 FB |
2054 | case TARGET_SO_DEBUG: |
2055 | optname = SO_DEBUG; | |
2056 | break; | |
2057 | case TARGET_SO_REUSEADDR: | |
2058 | optname = SO_REUSEADDR; | |
2059 | break; | |
2060 | case TARGET_SO_TYPE: | |
2061 | optname = SO_TYPE; | |
2062 | break; | |
2063 | case TARGET_SO_ERROR: | |
2064 | optname = SO_ERROR; | |
2065 | break; | |
2066 | case TARGET_SO_DONTROUTE: | |
2067 | optname = SO_DONTROUTE; | |
2068 | break; | |
2069 | case TARGET_SO_BROADCAST: | |
2070 | optname = SO_BROADCAST; | |
2071 | break; | |
2072 | case TARGET_SO_SNDBUF: | |
2073 | optname = SO_SNDBUF; | |
2074 | break; | |
d79b6cc4 PB |
2075 | case TARGET_SO_SNDBUFFORCE: |
2076 | optname = SO_SNDBUFFORCE; | |
2077 | break; | |
3532fa74 FB |
2078 | case TARGET_SO_RCVBUF: |
2079 | optname = SO_RCVBUF; | |
2080 | break; | |
d79b6cc4 PB |
2081 | case TARGET_SO_RCVBUFFORCE: |
2082 | optname = SO_RCVBUFFORCE; | |
2083 | break; | |
3532fa74 FB |
2084 | case TARGET_SO_KEEPALIVE: |
2085 | optname = SO_KEEPALIVE; | |
2086 | break; | |
2087 | case TARGET_SO_OOBINLINE: | |
2088 | optname = SO_OOBINLINE; | |
2089 | break; | |
2090 | case TARGET_SO_NO_CHECK: | |
2091 | optname = SO_NO_CHECK; | |
2092 | break; | |
2093 | case TARGET_SO_PRIORITY: | |
2094 | optname = SO_PRIORITY; | |
2095 | break; | |
5e83e8e3 | 2096 | #ifdef SO_BSDCOMPAT |
3532fa74 FB |
2097 | case TARGET_SO_BSDCOMPAT: |
2098 | optname = SO_BSDCOMPAT; | |
2099 | break; | |
5e83e8e3 | 2100 | #endif |
3532fa74 FB |
2101 | case TARGET_SO_PASSCRED: |
2102 | optname = SO_PASSCRED; | |
2103 | break; | |
82d0fe6b PB |
2104 | case TARGET_SO_PASSSEC: |
2105 | optname = SO_PASSSEC; | |
2106 | break; | |
3532fa74 FB |
2107 | case TARGET_SO_TIMESTAMP: |
2108 | optname = SO_TIMESTAMP; | |
2109 | break; | |
2110 | case TARGET_SO_RCVLOWAT: | |
2111 | optname = SO_RCVLOWAT; | |
2112 | break; | |
8853f86e FB |
2113 | default: |
2114 | goto unimplemented; | |
2115 | } | |
3532fa74 | 2116 | if (optlen < sizeof(uint32_t)) |
2f619698 | 2117 | return -TARGET_EINVAL; |
3532fa74 | 2118 | |
2f619698 FB |
2119 | if (get_user_u32(val, optval_addr)) |
2120 | return -TARGET_EFAULT; | |
3532fa74 | 2121 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val))); |
8853f86e | 2122 | break; |
7854b056 | 2123 | default: |
8853f86e | 2124 | unimplemented: |
b2bedb21 | 2125 | gemu_log("Unsupported setsockopt level=%d optname=%d\n", level, optname); |
6fa13c17 | 2126 | ret = -TARGET_ENOPROTOOPT; |
7854b056 | 2127 | } |
8853f86e | 2128 | return ret; |
7854b056 FB |
2129 | } |
2130 | ||
0da46a6e | 2131 | /* do_getsockopt() Must return target values and target errnos. */ |
992f48a0 | 2132 | static abi_long do_getsockopt(int sockfd, int level, int optname, |
2f619698 | 2133 | abi_ulong optval_addr, abi_ulong optlen) |
7854b056 | 2134 | { |
992f48a0 | 2135 | abi_long ret; |
b55266b5 BS |
2136 | int len, val; |
2137 | socklen_t lv; | |
8853f86e FB |
2138 | |
2139 | switch(level) { | |
3532fa74 | 2140 | case TARGET_SOL_SOCKET: |
f3b974cd JL |
2141 | level = SOL_SOCKET; |
2142 | switch (optname) { | |
2143 | /* These don't just return a single integer */ | |
f3b974cd JL |
2144 | case TARGET_SO_RCVTIMEO: |
2145 | case TARGET_SO_SNDTIMEO: | |
f3b974cd JL |
2146 | case TARGET_SO_PEERNAME: |
2147 | goto unimplemented; | |
583359a6 AP |
2148 | case TARGET_SO_PEERCRED: { |
2149 | struct ucred cr; | |
2150 | socklen_t crlen; | |
2151 | struct target_ucred *tcr; | |
2152 | ||
2153 | if (get_user_u32(len, optlen)) { | |
2154 | return -TARGET_EFAULT; | |
2155 | } | |
2156 | if (len < 0) { | |
2157 | return -TARGET_EINVAL; | |
2158 | } | |
2159 | ||
2160 | crlen = sizeof(cr); | |
2161 | ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED, | |
2162 | &cr, &crlen)); | |
2163 | if (ret < 0) { | |
2164 | return ret; | |
2165 | } | |
2166 | if (len > crlen) { | |
2167 | len = crlen; | |
2168 | } | |
2169 | if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) { | |
2170 | return -TARGET_EFAULT; | |
2171 | } | |
2172 | __put_user(cr.pid, &tcr->pid); | |
2173 | __put_user(cr.uid, &tcr->uid); | |
2174 | __put_user(cr.gid, &tcr->gid); | |
2175 | unlock_user_struct(tcr, optval_addr, 1); | |
2176 | if (put_user_u32(len, optlen)) { | |
83eb6e50 CMAB |
2177 | return -TARGET_EFAULT; |
2178 | } | |
2179 | break; | |
2180 | } | |
2181 | case TARGET_SO_LINGER: | |
2182 | { | |
2183 | struct linger lg; | |
2184 | socklen_t lglen; | |
2185 | struct target_linger *tlg; | |
2186 | ||
2187 | if (get_user_u32(len, optlen)) { | |
2188 | return -TARGET_EFAULT; | |
2189 | } | |
2190 | if (len < 0) { | |
2191 | return -TARGET_EINVAL; | |
2192 | } | |
2193 | ||
2194 | lglen = sizeof(lg); | |
2195 | ret = get_errno(getsockopt(sockfd, level, SO_LINGER, | |
2196 | &lg, &lglen)); | |
2197 | if (ret < 0) { | |
2198 | return ret; | |
2199 | } | |
2200 | if (len > lglen) { | |
2201 | len = lglen; | |
2202 | } | |
2203 | if (!lock_user_struct(VERIFY_WRITE, tlg, optval_addr, 0)) { | |
2204 | return -TARGET_EFAULT; | |
2205 | } | |
2206 | __put_user(lg.l_onoff, &tlg->l_onoff); | |
2207 | __put_user(lg.l_linger, &tlg->l_linger); | |
2208 | unlock_user_struct(tlg, optval_addr, 1); | |
2209 | if (put_user_u32(len, optlen)) { | |
583359a6 AP |
2210 | return -TARGET_EFAULT; |
2211 | } | |
2212 | break; | |
2213 | } | |
f3b974cd JL |
2214 | /* Options with 'int' argument. */ |
2215 | case TARGET_SO_DEBUG: | |
2216 | optname = SO_DEBUG; | |
2217 | goto int_case; | |
2218 | case TARGET_SO_REUSEADDR: | |
2219 | optname = SO_REUSEADDR; | |
2220 | goto int_case; | |
2221 | case TARGET_SO_TYPE: | |
2222 | optname = SO_TYPE; | |
2223 | goto int_case; | |
2224 | case TARGET_SO_ERROR: | |
2225 | optname = SO_ERROR; | |
2226 | goto int_case; | |
2227 | case TARGET_SO_DONTROUTE: | |
2228 | optname = SO_DONTROUTE; | |
2229 | goto int_case; | |
2230 | case TARGET_SO_BROADCAST: | |
2231 | optname = SO_BROADCAST; | |
2232 | goto int_case; | |
2233 | case TARGET_SO_SNDBUF: | |
2234 | optname = SO_SNDBUF; | |
2235 | goto int_case; | |
2236 | case TARGET_SO_RCVBUF: | |
2237 | optname = SO_RCVBUF; | |
2238 | goto int_case; | |
2239 | case TARGET_SO_KEEPALIVE: | |
2240 | optname = SO_KEEPALIVE; | |
2241 | goto int_case; | |
2242 | case TARGET_SO_OOBINLINE: | |
2243 | optname = SO_OOBINLINE; | |
2244 | goto int_case; | |
2245 | case TARGET_SO_NO_CHECK: | |
2246 | optname = SO_NO_CHECK; | |
2247 | goto int_case; | |
2248 | case TARGET_SO_PRIORITY: | |
2249 | optname = SO_PRIORITY; | |
2250 | goto int_case; | |
2251 | #ifdef SO_BSDCOMPAT | |
2252 | case TARGET_SO_BSDCOMPAT: | |
2253 | optname = SO_BSDCOMPAT; | |
2254 | goto int_case; | |
2255 | #endif | |
2256 | case TARGET_SO_PASSCRED: | |
2257 | optname = SO_PASSCRED; | |
2258 | goto int_case; | |
2259 | case TARGET_SO_TIMESTAMP: | |
2260 | optname = SO_TIMESTAMP; | |
2261 | goto int_case; | |
2262 | case TARGET_SO_RCVLOWAT: | |
2263 | optname = SO_RCVLOWAT; | |
2264 | goto int_case; | |
aec1ca41 PB |
2265 | case TARGET_SO_ACCEPTCONN: |
2266 | optname = SO_ACCEPTCONN; | |
2267 | goto int_case; | |
8853f86e | 2268 | default: |
2efbe911 FB |
2269 | goto int_case; |
2270 | } | |
2271 | break; | |
2272 | case SOL_TCP: | |
2273 | /* TCP options all take an 'int' value. */ | |
2274 | int_case: | |
2f619698 FB |
2275 | if (get_user_u32(len, optlen)) |
2276 | return -TARGET_EFAULT; | |
2efbe911 | 2277 | if (len < 0) |
0da46a6e | 2278 | return -TARGET_EINVAL; |
73160d95 | 2279 | lv = sizeof(lv); |
2efbe911 FB |
2280 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
2281 | if (ret < 0) | |
2282 | return ret; | |
8289d112 PB |
2283 | if (optname == SO_TYPE) { |
2284 | val = host_to_target_sock_type(val); | |
2285 | } | |
2efbe911 FB |
2286 | if (len > lv) |
2287 | len = lv; | |
2f619698 FB |
2288 | if (len == 4) { |
2289 | if (put_user_u32(val, optval_addr)) | |
2290 | return -TARGET_EFAULT; | |
2291 | } else { | |
2292 | if (put_user_u8(val, optval_addr)) | |
2293 | return -TARGET_EFAULT; | |
f3b974cd | 2294 | } |
2f619698 FB |
2295 | if (put_user_u32(len, optlen)) |
2296 | return -TARGET_EFAULT; | |
2efbe911 FB |
2297 | break; |
2298 | case SOL_IP: | |
2299 | switch(optname) { | |
2300 | case IP_TOS: | |
2301 | case IP_TTL: | |
2302 | case IP_HDRINCL: | |
2303 | case IP_ROUTER_ALERT: | |
2304 | case IP_RECVOPTS: | |
2305 | case IP_RETOPTS: | |
2306 | case IP_PKTINFO: | |
2307 | case IP_MTU_DISCOVER: | |
2308 | case IP_RECVERR: | |
2309 | case IP_RECVTOS: | |
2310 | #ifdef IP_FREEBIND | |
2311 | case IP_FREEBIND: | |
2312 | #endif | |
2313 | case IP_MULTICAST_TTL: | |
2314 | case IP_MULTICAST_LOOP: | |
2f619698 FB |
2315 | if (get_user_u32(len, optlen)) |
2316 | return -TARGET_EFAULT; | |
8853f86e | 2317 | if (len < 0) |
0da46a6e | 2318 | return -TARGET_EINVAL; |
73160d95 | 2319 | lv = sizeof(lv); |
8853f86e FB |
2320 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
2321 | if (ret < 0) | |
2322 | return ret; | |
2efbe911 | 2323 | if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { |
2efbe911 | 2324 | len = 1; |
2f619698 FB |
2325 | if (put_user_u32(len, optlen) |
2326 | || put_user_u8(val, optval_addr)) | |
2327 | return -TARGET_EFAULT; | |
2efbe911 | 2328 | } else { |
2efbe911 FB |
2329 | if (len > sizeof(int)) |
2330 | len = sizeof(int); | |
2f619698 FB |
2331 | if (put_user_u32(len, optlen) |
2332 | || put_user_u32(val, optval_addr)) | |
2333 | return -TARGET_EFAULT; | |
2efbe911 | 2334 | } |
8853f86e | 2335 | break; |
2efbe911 | 2336 | default: |
c02f499e TS |
2337 | ret = -TARGET_ENOPROTOOPT; |
2338 | break; | |
8853f86e FB |
2339 | } |
2340 | break; | |
2341 | default: | |
2342 | unimplemented: | |
2343 | gemu_log("getsockopt level=%d optname=%d not yet supported\n", | |
2344 | level, optname); | |
c02f499e | 2345 | ret = -TARGET_EOPNOTSUPP; |
8853f86e FB |
2346 | break; |
2347 | } | |
2348 | return ret; | |
7854b056 FB |
2349 | } |
2350 | ||
9ac22517 MF |
2351 | /* Convert target low/high pair representing file offset into the host |
2352 | * low/high pair. This function doesn't handle offsets bigger than 64 bits | |
2353 | * as the kernel doesn't handle them either. | |
2354 | */ | |
2355 | static void target_to_host_low_high(abi_ulong tlow, | |
2356 | abi_ulong thigh, | |
2357 | unsigned long *hlow, | |
2358 | unsigned long *hhigh) | |
2359 | { | |
2360 | uint64_t off = tlow | | |
2361 | ((unsigned long long)thigh << TARGET_LONG_BITS / 2) << | |
2362 | TARGET_LONG_BITS / 2; | |
2363 | ||
2364 | *hlow = off; | |
2365 | *hhigh = (off >> HOST_LONG_BITS / 2) >> HOST_LONG_BITS / 2; | |
2366 | } | |
2367 | ||
f287b2c2 | 2368 | static struct iovec *lock_iovec(int type, abi_ulong target_addr, |
dab32b32 | 2369 | abi_ulong count, int copy) |
53a5960a PB |
2370 | { |
2371 | struct target_iovec *target_vec; | |
f287b2c2 RH |
2372 | struct iovec *vec; |
2373 | abi_ulong total_len, max_len; | |
d732dcb4 | 2374 | int i; |
501bb4b0 | 2375 | int err = 0; |
29560a6c | 2376 | bool bad_address = false; |
53a5960a | 2377 | |
f287b2c2 RH |
2378 | if (count == 0) { |
2379 | errno = 0; | |
2380 | return NULL; | |
2381 | } | |
dab32b32 | 2382 | if (count > IOV_MAX) { |
f287b2c2 RH |
2383 | errno = EINVAL; |
2384 | return NULL; | |
2385 | } | |
2386 | ||
0e173b24 | 2387 | vec = g_try_new0(struct iovec, count); |
f287b2c2 RH |
2388 | if (vec == NULL) { |
2389 | errno = ENOMEM; | |
2390 | return NULL; | |
2391 | } | |
2392 | ||
2393 | target_vec = lock_user(VERIFY_READ, target_addr, | |
2394 | count * sizeof(struct target_iovec), 1); | |
2395 | if (target_vec == NULL) { | |
501bb4b0 | 2396 | err = EFAULT; |
f287b2c2 RH |
2397 | goto fail2; |
2398 | } | |
2399 | ||
2400 | /* ??? If host page size > target page size, this will result in a | |
2401 | value larger than what we can actually support. */ | |
2402 | max_len = 0x7fffffff & TARGET_PAGE_MASK; | |
2403 | total_len = 0; | |
2404 | ||
2405 | for (i = 0; i < count; i++) { | |
2406 | abi_ulong base = tswapal(target_vec[i].iov_base); | |
2407 | abi_long len = tswapal(target_vec[i].iov_len); | |
2408 | ||
2409 | if (len < 0) { | |
501bb4b0 | 2410 | err = EINVAL; |
f287b2c2 RH |
2411 | goto fail; |
2412 | } else if (len == 0) { | |
2413 | /* Zero length pointer is ignored. */ | |
2414 | vec[i].iov_base = 0; | |
41df8411 | 2415 | } else { |
f287b2c2 | 2416 | vec[i].iov_base = lock_user(type, base, len, copy); |
29560a6c TM |
2417 | /* If the first buffer pointer is bad, this is a fault. But |
2418 | * subsequent bad buffers will result in a partial write; this | |
2419 | * is realized by filling the vector with null pointers and | |
2420 | * zero lengths. */ | |
f287b2c2 | 2421 | if (!vec[i].iov_base) { |
29560a6c TM |
2422 | if (i == 0) { |
2423 | err = EFAULT; | |
2424 | goto fail; | |
2425 | } else { | |
2426 | bad_address = true; | |
2427 | } | |
2428 | } | |
2429 | if (bad_address) { | |
2430 | len = 0; | |
f287b2c2 RH |
2431 | } |
2432 | if (len > max_len - total_len) { | |
2433 | len = max_len - total_len; | |
2434 | } | |
41df8411 | 2435 | } |
f287b2c2 RH |
2436 | vec[i].iov_len = len; |
2437 | total_len += len; | |
579a97f7 | 2438 | } |
f287b2c2 RH |
2439 | |
2440 | unlock_user(target_vec, target_addr, 0); | |
2441 | return vec; | |
2442 | ||
2443 | fail: | |
7eff518b CG |
2444 | while (--i >= 0) { |
2445 | if (tswapal(target_vec[i].iov_len) > 0) { | |
2446 | unlock_user(vec[i].iov_base, tswapal(target_vec[i].iov_base), 0); | |
2447 | } | |
2448 | } | |
f287b2c2 | 2449 | unlock_user(target_vec, target_addr, 0); |
501bb4b0 | 2450 | fail2: |
0e173b24 | 2451 | g_free(vec); |
501bb4b0 | 2452 | errno = err; |
f287b2c2 | 2453 | return NULL; |
53a5960a PB |
2454 | } |
2455 | ||
f287b2c2 | 2456 | static void unlock_iovec(struct iovec *vec, abi_ulong target_addr, |
dab32b32 | 2457 | abi_ulong count, int copy) |
53a5960a PB |
2458 | { |
2459 | struct target_iovec *target_vec; | |
53a5960a PB |
2460 | int i; |
2461 | ||
f287b2c2 RH |
2462 | target_vec = lock_user(VERIFY_READ, target_addr, |
2463 | count * sizeof(struct target_iovec), 1); | |
2464 | if (target_vec) { | |
2465 | for (i = 0; i < count; i++) { | |
2466 | abi_ulong base = tswapal(target_vec[i].iov_base); | |
71ec7cef | 2467 | abi_long len = tswapal(target_vec[i].iov_len); |
f287b2c2 RH |
2468 | if (len < 0) { |
2469 | break; | |
2470 | } | |
d732dcb4 AZ |
2471 | unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0); |
2472 | } | |
f287b2c2 | 2473 | unlock_user(target_vec, target_addr, 0); |
53a5960a | 2474 | } |
579a97f7 | 2475 | |
0e173b24 | 2476 | g_free(vec); |
53a5960a PB |
2477 | } |
2478 | ||
53d09b76 | 2479 | static inline int target_to_host_sock_type(int *type) |
3532fa74 | 2480 | { |
f651e6ae PJ |
2481 | int host_type = 0; |
2482 | int target_type = *type; | |
2483 | ||
2484 | switch (target_type & TARGET_SOCK_TYPE_MASK) { | |
3532fa74 | 2485 | case TARGET_SOCK_DGRAM: |
f651e6ae | 2486 | host_type = SOCK_DGRAM; |
3532fa74 FB |
2487 | break; |
2488 | case TARGET_SOCK_STREAM: | |
f651e6ae | 2489 | host_type = SOCK_STREAM; |
3532fa74 | 2490 | break; |
f651e6ae PJ |
2491 | default: |
2492 | host_type = target_type & TARGET_SOCK_TYPE_MASK; | |
3532fa74 FB |
2493 | break; |
2494 | } | |
f651e6ae | 2495 | if (target_type & TARGET_SOCK_CLOEXEC) { |
53d09b76 | 2496 | #if defined(SOCK_CLOEXEC) |
f651e6ae | 2497 | host_type |= SOCK_CLOEXEC; |
53d09b76 EI |
2498 | #else |
2499 | return -TARGET_EINVAL; | |
2500 | #endif | |
f651e6ae PJ |
2501 | } |
2502 | if (target_type & TARGET_SOCK_NONBLOCK) { | |
53d09b76 | 2503 | #if defined(SOCK_NONBLOCK) |
f651e6ae | 2504 | host_type |= SOCK_NONBLOCK; |
53d09b76 EI |
2505 | #elif !defined(O_NONBLOCK) |
2506 | return -TARGET_EINVAL; | |
2507 | #endif | |
f651e6ae PJ |
2508 | } |
2509 | *type = host_type; | |
53d09b76 EI |
2510 | return 0; |
2511 | } | |
2512 | ||
2513 | /* Try to emulate socket type flags after socket creation. */ | |
2514 | static int sock_flags_fixup(int fd, int target_type) | |
2515 | { | |
2516 | #if !defined(SOCK_NONBLOCK) && defined(O_NONBLOCK) | |
2517 | if (target_type & TARGET_SOCK_NONBLOCK) { | |
2518 | int flags = fcntl(fd, F_GETFL); | |
2519 | if (fcntl(fd, F_SETFL, O_NONBLOCK | flags) == -1) { | |
2520 | close(fd); | |
2521 | return -TARGET_EINVAL; | |
2522 | } | |
2523 | } | |
2524 | #endif | |
2525 | return fd; | |
f651e6ae PJ |
2526 | } |
2527 | ||
2528 | /* do_socket() Must return target values and target errnos. */ | |
2529 | static abi_long do_socket(int domain, int type, int protocol) | |
2530 | { | |
53d09b76 EI |
2531 | int target_type = type; |
2532 | int ret; | |
2533 | ||
2534 | ret = target_to_host_sock_type(&type); | |
2535 | if (ret) { | |
2536 | return ret; | |
2537 | } | |
f651e6ae | 2538 | |
575b22b1 LV |
2539 | if (domain == PF_NETLINK && !( |
2540 | #ifdef CONFIG_RTNETLINK | |
2541 | protocol == NETLINK_ROUTE || | |
2542 | #endif | |
2543 | protocol == NETLINK_KOBJECT_UEVENT || | |
2544 | protocol == NETLINK_AUDIT)) { | |
6c5b5645 LV |
2545 | return -EPFNOSUPPORT; |
2546 | } | |
ff626f2d LV |
2547 | |
2548 | if (domain == AF_PACKET || | |
2549 | (domain == AF_INET && type == SOCK_PACKET)) { | |
2550 | protocol = tswap16(protocol); | |
2551 | } | |
2552 | ||
53d09b76 EI |
2553 | ret = get_errno(socket(domain, type, protocol)); |
2554 | if (ret >= 0) { | |
2555 | ret = sock_flags_fixup(ret, target_type); | |
0cf22722 LV |
2556 | if (type == SOCK_PACKET) { |
2557 | /* Manage an obsolete case : | |
2558 | * if socket type is SOCK_PACKET, bind by name | |
2559 | */ | |
2560 | fd_trans_register(ret, &target_packet_trans); | |
6c5b5645 LV |
2561 | } else if (domain == PF_NETLINK) { |
2562 | switch (protocol) { | |
575b22b1 | 2563 | #ifdef CONFIG_RTNETLINK |
6c5b5645 LV |
2564 | case NETLINK_ROUTE: |
2565 | fd_trans_register(ret, &target_netlink_route_trans); | |
2566 | break; | |
575b22b1 | 2567 | #endif |
b265620b LV |
2568 | case NETLINK_KOBJECT_UEVENT: |
2569 | /* nothing to do: messages are strings */ | |
2570 | break; | |
5ce9bb59 LV |
2571 | case NETLINK_AUDIT: |
2572 | fd_trans_register(ret, &target_netlink_audit_trans); | |
2573 | break; | |
6c5b5645 LV |
2574 | default: |
2575 | g_assert_not_reached(); | |
2576 | } | |
0cf22722 | 2577 | } |
53d09b76 EI |
2578 | } |
2579 | return ret; | |
3532fa74 FB |
2580 | } |
2581 | ||
0da46a6e | 2582 | /* do_bind() Must return target values and target errnos. */ |
992f48a0 BS |
2583 | static abi_long do_bind(int sockfd, abi_ulong target_addr, |
2584 | socklen_t addrlen) | |
3532fa74 | 2585 | { |
8f7aeaf6 | 2586 | void *addr; |
917507b0 | 2587 | abi_long ret; |
8f7aeaf6 | 2588 | |
38724253 | 2589 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2590 | return -TARGET_EINVAL; |
38724253 | 2591 | } |
8f7aeaf6 | 2592 | |
607175e0 | 2593 | addr = alloca(addrlen+1); |
3b46e624 | 2594 | |
7b36f782 | 2595 | ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen); |
917507b0 AP |
2596 | if (ret) |
2597 | return ret; | |
2598 | ||
3532fa74 FB |
2599 | return get_errno(bind(sockfd, addr, addrlen)); |
2600 | } | |
2601 | ||
0da46a6e | 2602 | /* do_connect() Must return target values and target errnos. */ |
992f48a0 BS |
2603 | static abi_long do_connect(int sockfd, abi_ulong target_addr, |
2604 | socklen_t addrlen) | |
3532fa74 | 2605 | { |
8f7aeaf6 | 2606 | void *addr; |
917507b0 | 2607 | abi_long ret; |
8f7aeaf6 | 2608 | |
38724253 | 2609 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2610 | return -TARGET_EINVAL; |
38724253 | 2611 | } |
8f7aeaf6 | 2612 | |
2dd08dfd | 2613 | addr = alloca(addrlen+1); |
3b46e624 | 2614 | |
7b36f782 | 2615 | ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen); |
917507b0 AP |
2616 | if (ret) |
2617 | return ret; | |
2618 | ||
2a3c7619 | 2619 | return get_errno(safe_connect(sockfd, addr, addrlen)); |
3532fa74 FB |
2620 | } |
2621 | ||
f19e00d7 AG |
2622 | /* do_sendrecvmsg_locked() Must return target values and target errnos. */ |
2623 | static abi_long do_sendrecvmsg_locked(int fd, struct target_msghdr *msgp, | |
2624 | int flags, int send) | |
3532fa74 | 2625 | { |
6de645c7 | 2626 | abi_long ret, len; |
3532fa74 | 2627 | struct msghdr msg; |
dab32b32 | 2628 | abi_ulong count; |
3532fa74 | 2629 | struct iovec *vec; |
992f48a0 | 2630 | abi_ulong target_vec; |
3532fa74 | 2631 | |
3532fa74 FB |
2632 | if (msgp->msg_name) { |
2633 | msg.msg_namelen = tswap32(msgp->msg_namelen); | |
2dd08dfd | 2634 | msg.msg_name = alloca(msg.msg_namelen+1); |
7b36f782 LV |
2635 | ret = target_to_host_sockaddr(fd, msg.msg_name, |
2636 | tswapal(msgp->msg_name), | |
2637 | msg.msg_namelen); | |
26a6fc96 PM |
2638 | if (ret == -TARGET_EFAULT) { |
2639 | /* For connected sockets msg_name and msg_namelen must | |
2640 | * be ignored, so returning EFAULT immediately is wrong. | |
2641 | * Instead, pass a bad msg_name to the host kernel, and | |
2642 | * let it decide whether to return EFAULT or not. | |
2643 | */ | |
2644 | msg.msg_name = (void *)-1; | |
2645 | } else if (ret) { | |
f287b2c2 | 2646 | goto out2; |
917507b0 | 2647 | } |
3532fa74 FB |
2648 | } else { |
2649 | msg.msg_name = NULL; | |
2650 | msg.msg_namelen = 0; | |
2651 | } | |
cbb21eed | 2652 | msg.msg_controllen = 2 * tswapal(msgp->msg_controllen); |
3532fa74 | 2653 | msg.msg_control = alloca(msg.msg_controllen); |
1d3d1b23 JS |
2654 | memset(msg.msg_control, 0, msg.msg_controllen); |
2655 | ||
3532fa74 | 2656 | msg.msg_flags = tswap32(msgp->msg_flags); |
3b46e624 | 2657 | |
cbb21eed | 2658 | count = tswapal(msgp->msg_iovlen); |
cbb21eed | 2659 | target_vec = tswapal(msgp->msg_iov); |
97b07970 PM |
2660 | |
2661 | if (count > IOV_MAX) { | |
2662 | /* sendrcvmsg returns a different errno for this condition than | |
2663 | * readv/writev, so we must catch it here before lock_iovec() does. | |
2664 | */ | |
2665 | ret = -TARGET_EMSGSIZE; | |
2666 | goto out2; | |
2667 | } | |
2668 | ||
f287b2c2 RH |
2669 | vec = lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, |
2670 | target_vec, count, send); | |
2671 | if (vec == NULL) { | |
2672 | ret = -host_to_target_errno(errno); | |
2673 | goto out2; | |
2674 | } | |
3532fa74 FB |
2675 | msg.msg_iovlen = count; |
2676 | msg.msg_iov = vec; | |
3b46e624 | 2677 | |
3532fa74 | 2678 | if (send) { |
6c5b5645 | 2679 | if (fd_trans_target_to_host_data(fd)) { |
7d61d892 LV |
2680 | void *host_msg; |
2681 | ||
2682 | host_msg = g_malloc(msg.msg_iov->iov_len); | |
2683 | memcpy(host_msg, msg.msg_iov->iov_base, msg.msg_iov->iov_len); | |
2684 | ret = fd_trans_target_to_host_data(fd)(host_msg, | |
6c5b5645 | 2685 | msg.msg_iov->iov_len); |
7d61d892 LV |
2686 | if (ret >= 0) { |
2687 | msg.msg_iov->iov_base = host_msg; | |
2688 | ret = get_errno(safe_sendmsg(fd, &msg, flags)); | |
2689 | } | |
2690 | g_free(host_msg); | |
6c5b5645 LV |
2691 | } else { |
2692 | ret = target_to_host_cmsg(&msg, msgp); | |
7d61d892 LV |
2693 | if (ret == 0) { |
2694 | ret = get_errno(safe_sendmsg(fd, &msg, flags)); | |
2695 | } | |
6c5b5645 | 2696 | } |
3532fa74 | 2697 | } else { |
66687530 | 2698 | ret = get_errno(safe_recvmsg(fd, &msg, flags)); |
6de645c7 AZ |
2699 | if (!is_error(ret)) { |
2700 | len = ret; | |
6c5b5645 LV |
2701 | if (fd_trans_host_to_target_data(fd)) { |
2702 | ret = fd_trans_host_to_target_data(fd)(msg.msg_iov->iov_base, | |
2a03d3e6 | 2703 | MIN(msg.msg_iov->iov_len, len)); |
6c5b5645 LV |
2704 | } else { |
2705 | ret = host_to_target_cmsg(msgp, &msg); | |
2706 | } | |
ca619067 JH |
2707 | if (!is_error(ret)) { |
2708 | msgp->msg_namelen = tswap32(msg.msg_namelen); | |
26a6fc96 | 2709 | if (msg.msg_name != NULL && msg.msg_name != (void *)-1) { |
ca619067 JH |
2710 | ret = host_to_target_sockaddr(tswapal(msgp->msg_name), |
2711 | msg.msg_name, msg.msg_namelen); | |
2712 | if (ret) { | |
2713 | goto out; | |
2714 | } | |
2715 | } | |
2716 | ||
6de645c7 | 2717 | ret = len; |
ca619067 | 2718 | } |
6de645c7 | 2719 | } |
3532fa74 | 2720 | } |
ca619067 JH |
2721 | |
2722 | out: | |
3532fa74 | 2723 | unlock_iovec(vec, target_vec, count, !send); |
f287b2c2 | 2724 | out2: |
f19e00d7 AG |
2725 | return ret; |
2726 | } | |
2727 | ||
2728 | static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg, | |
2729 | int flags, int send) | |
2730 | { | |
2731 | abi_long ret; | |
2732 | struct target_msghdr *msgp; | |
2733 | ||
2734 | if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE, | |
2735 | msgp, | |
2736 | target_msg, | |
2737 | send ? 1 : 0)) { | |
2738 | return -TARGET_EFAULT; | |
2739 | } | |
2740 | ret = do_sendrecvmsg_locked(fd, msgp, flags, send); | |
579a97f7 | 2741 | unlock_user_struct(msgp, target_msg, send ? 0 : 1); |
3532fa74 FB |
2742 | return ret; |
2743 | } | |
2744 | ||
f19e00d7 AG |
2745 | /* We don't rely on the C library to have sendmmsg/recvmmsg support, |
2746 | * so it might not have this *mmsg-specific flag either. | |
2747 | */ | |
2748 | #ifndef MSG_WAITFORONE | |
2749 | #define MSG_WAITFORONE 0x10000 | |
2750 | #endif | |
2751 | ||
2752 | static abi_long do_sendrecvmmsg(int fd, abi_ulong target_msgvec, | |
2753 | unsigned int vlen, unsigned int flags, | |
2754 | int send) | |
2755 | { | |
2756 | struct target_mmsghdr *mmsgp; | |
2757 | abi_long ret = 0; | |
2758 | int i; | |
2759 | ||
2760 | if (vlen > UIO_MAXIOV) { | |
2761 | vlen = UIO_MAXIOV; | |
2762 | } | |
2763 | ||
2764 | mmsgp = lock_user(VERIFY_WRITE, target_msgvec, sizeof(*mmsgp) * vlen, 1); | |
2765 | if (!mmsgp) { | |
2766 | return -TARGET_EFAULT; | |
2767 | } | |
2768 | ||
2769 | for (i = 0; i < vlen; i++) { | |
2770 | ret = do_sendrecvmsg_locked(fd, &mmsgp[i].msg_hdr, flags, send); | |
2771 | if (is_error(ret)) { | |
2772 | break; | |
2773 | } | |
2774 | mmsgp[i].msg_len = tswap32(ret); | |
2775 | /* MSG_WAITFORONE turns on MSG_DONTWAIT after one packet */ | |
2776 | if (flags & MSG_WAITFORONE) { | |
2777 | flags |= MSG_DONTWAIT; | |
2778 | } | |
2779 | } | |
2780 | ||
2781 | unlock_user(mmsgp, target_msgvec, sizeof(*mmsgp) * i); | |
2782 | ||
2783 | /* Return number of datagrams sent if we sent any at all; | |
2784 | * otherwise return the error. | |
2785 | */ | |
2786 | if (i) { | |
2787 | return i; | |
2788 | } | |
2789 | return ret; | |
2790 | } | |
f19e00d7 | 2791 | |
a94b4987 PM |
2792 | /* do_accept4() Must return target values and target errnos. */ |
2793 | static abi_long do_accept4(int fd, abi_ulong target_addr, | |
2794 | abi_ulong target_addrlen_addr, int flags) | |
1be9e1dc | 2795 | { |
2f619698 FB |
2796 | socklen_t addrlen; |
2797 | void *addr; | |
992f48a0 | 2798 | abi_long ret; |
d25295d4 PJ |
2799 | int host_flags; |
2800 | ||
2801 | host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl); | |
1be9e1dc | 2802 | |
a94b4987 | 2803 | if (target_addr == 0) { |
ff6dc130 | 2804 | return get_errno(safe_accept4(fd, NULL, NULL, host_flags)); |
a94b4987 | 2805 | } |
917507b0 AP |
2806 | |
2807 | /* linux returns EINVAL if addrlen pointer is invalid */ | |
2f619698 | 2808 | if (get_user_u32(addrlen, target_addrlen_addr)) |
917507b0 | 2809 | return -TARGET_EINVAL; |
2f619698 | 2810 | |
38724253 | 2811 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2812 | return -TARGET_EINVAL; |
38724253 | 2813 | } |
8f7aeaf6 | 2814 | |
917507b0 AP |
2815 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
2816 | return -TARGET_EINVAL; | |
2817 | ||
2f619698 FB |
2818 | addr = alloca(addrlen); |
2819 | ||
ff6dc130 | 2820 | ret = get_errno(safe_accept4(fd, addr, &addrlen, host_flags)); |
1be9e1dc PB |
2821 | if (!is_error(ret)) { |
2822 | host_to_target_sockaddr(target_addr, addr, addrlen); | |
2f619698 FB |
2823 | if (put_user_u32(addrlen, target_addrlen_addr)) |
2824 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
2825 | } |
2826 | return ret; | |
2827 | } | |
2828 | ||
0da46a6e | 2829 | /* do_getpeername() Must return target values and target errnos. */ |
992f48a0 | 2830 | static abi_long do_getpeername(int fd, abi_ulong target_addr, |
2f619698 | 2831 | abi_ulong target_addrlen_addr) |
1be9e1dc | 2832 | { |
2f619698 FB |
2833 | socklen_t addrlen; |
2834 | void *addr; | |
992f48a0 | 2835 | abi_long ret; |
1be9e1dc | 2836 | |
2f619698 FB |
2837 | if (get_user_u32(addrlen, target_addrlen_addr)) |
2838 | return -TARGET_EFAULT; | |
2839 | ||
38724253 | 2840 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2841 | return -TARGET_EINVAL; |
38724253 | 2842 | } |
8f7aeaf6 | 2843 | |
917507b0 AP |
2844 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
2845 | return -TARGET_EFAULT; | |
2846 | ||
2f619698 FB |
2847 | addr = alloca(addrlen); |
2848 | ||
1be9e1dc PB |
2849 | ret = get_errno(getpeername(fd, addr, &addrlen)); |
2850 | if (!is_error(ret)) { | |
2851 | host_to_target_sockaddr(target_addr, addr, addrlen); | |
2f619698 FB |
2852 | if (put_user_u32(addrlen, target_addrlen_addr)) |
2853 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
2854 | } |
2855 | return ret; | |
2856 | } | |
2857 | ||
0da46a6e | 2858 | /* do_getsockname() Must return target values and target errnos. */ |
992f48a0 | 2859 | static abi_long do_getsockname(int fd, abi_ulong target_addr, |
2f619698 | 2860 | abi_ulong target_addrlen_addr) |
1be9e1dc | 2861 | { |
2f619698 FB |
2862 | socklen_t addrlen; |
2863 | void *addr; | |
992f48a0 | 2864 | abi_long ret; |
1be9e1dc | 2865 | |
2f619698 FB |
2866 | if (get_user_u32(addrlen, target_addrlen_addr)) |
2867 | return -TARGET_EFAULT; | |
2868 | ||
38724253 | 2869 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2870 | return -TARGET_EINVAL; |
38724253 | 2871 | } |
8f7aeaf6 | 2872 | |
917507b0 AP |
2873 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
2874 | return -TARGET_EFAULT; | |
2875 | ||
2f619698 FB |
2876 | addr = alloca(addrlen); |
2877 | ||
1be9e1dc PB |
2878 | ret = get_errno(getsockname(fd, addr, &addrlen)); |
2879 | if (!is_error(ret)) { | |
2880 | host_to_target_sockaddr(target_addr, addr, addrlen); | |
2f619698 FB |
2881 | if (put_user_u32(addrlen, target_addrlen_addr)) |
2882 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
2883 | } |
2884 | return ret; | |
2885 | } | |
2886 | ||
0da46a6e | 2887 | /* do_socketpair() Must return target values and target errnos. */ |
992f48a0 | 2888 | static abi_long do_socketpair(int domain, int type, int protocol, |
2f619698 | 2889 | abi_ulong target_tab_addr) |
1be9e1dc PB |
2890 | { |
2891 | int tab[2]; | |
992f48a0 | 2892 | abi_long ret; |
1be9e1dc | 2893 | |
f651e6ae PJ |
2894 | target_to_host_sock_type(&type); |
2895 | ||
1be9e1dc PB |
2896 | ret = get_errno(socketpair(domain, type, protocol, tab)); |
2897 | if (!is_error(ret)) { | |
2f619698 FB |
2898 | if (put_user_s32(tab[0], target_tab_addr) |
2899 | || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0]))) | |
2900 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
2901 | } |
2902 | return ret; | |
2903 | } | |
2904 | ||
0da46a6e | 2905 | /* do_sendto() Must return target values and target errnos. */ |
992f48a0 BS |
2906 | static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags, |
2907 | abi_ulong target_addr, socklen_t addrlen) | |
1be9e1dc PB |
2908 | { |
2909 | void *addr; | |
2910 | void *host_msg; | |
7d61d892 | 2911 | void *copy_msg = NULL; |
992f48a0 | 2912 | abi_long ret; |
1be9e1dc | 2913 | |
38724253 | 2914 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2915 | return -TARGET_EINVAL; |
38724253 | 2916 | } |
8f7aeaf6 | 2917 | |
579a97f7 FB |
2918 | host_msg = lock_user(VERIFY_READ, msg, len, 1); |
2919 | if (!host_msg) | |
2920 | return -TARGET_EFAULT; | |
6c5b5645 | 2921 | if (fd_trans_target_to_host_data(fd)) { |
7d61d892 LV |
2922 | copy_msg = host_msg; |
2923 | host_msg = g_malloc(len); | |
2924 | memcpy(host_msg, copy_msg, len); | |
6c5b5645 LV |
2925 | ret = fd_trans_target_to_host_data(fd)(host_msg, len); |
2926 | if (ret < 0) { | |
7d61d892 | 2927 | goto fail; |
6c5b5645 LV |
2928 | } |
2929 | } | |
1be9e1dc | 2930 | if (target_addr) { |
2dd08dfd | 2931 | addr = alloca(addrlen+1); |
7b36f782 | 2932 | ret = target_to_host_sockaddr(fd, addr, target_addr, addrlen); |
917507b0 | 2933 | if (ret) { |
7d61d892 | 2934 | goto fail; |
917507b0 | 2935 | } |
66687530 | 2936 | ret = get_errno(safe_sendto(fd, host_msg, len, flags, addr, addrlen)); |
1be9e1dc | 2937 | } else { |
66687530 | 2938 | ret = get_errno(safe_sendto(fd, host_msg, len, flags, NULL, 0)); |
1be9e1dc | 2939 | } |
7d61d892 LV |
2940 | fail: |
2941 | if (copy_msg) { | |
2942 | g_free(host_msg); | |
2943 | host_msg = copy_msg; | |
2944 | } | |
1be9e1dc PB |
2945 | unlock_user(host_msg, msg, 0); |
2946 | return ret; | |
2947 | } | |
2948 | ||
0da46a6e | 2949 | /* do_recvfrom() Must return target values and target errnos. */ |
992f48a0 BS |
2950 | static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags, |
2951 | abi_ulong target_addr, | |
2952 | abi_ulong target_addrlen) | |
1be9e1dc PB |
2953 | { |
2954 | socklen_t addrlen; | |
2955 | void *addr; | |
2956 | void *host_msg; | |
992f48a0 | 2957 | abi_long ret; |
1be9e1dc | 2958 | |
579a97f7 FB |
2959 | host_msg = lock_user(VERIFY_WRITE, msg, len, 0); |
2960 | if (!host_msg) | |
2961 | return -TARGET_EFAULT; | |
1be9e1dc | 2962 | if (target_addr) { |
2f619698 FB |
2963 | if (get_user_u32(addrlen, target_addrlen)) { |
2964 | ret = -TARGET_EFAULT; | |
2965 | goto fail; | |
2966 | } | |
38724253 | 2967 | if ((int)addrlen < 0) { |
8f7aeaf6 AJ |
2968 | ret = -TARGET_EINVAL; |
2969 | goto fail; | |
2970 | } | |
1be9e1dc | 2971 | addr = alloca(addrlen); |
66687530 PM |
2972 | ret = get_errno(safe_recvfrom(fd, host_msg, len, flags, |
2973 | addr, &addrlen)); | |
1be9e1dc PB |
2974 | } else { |
2975 | addr = NULL; /* To keep compiler quiet. */ | |
66687530 | 2976 | ret = get_errno(safe_recvfrom(fd, host_msg, len, flags, NULL, 0)); |
1be9e1dc PB |
2977 | } |
2978 | if (!is_error(ret)) { | |
c35e1f9c | 2979 | if (fd_trans_host_to_target_data(fd)) { |
2a03d3e6 LV |
2980 | abi_long trans; |
2981 | trans = fd_trans_host_to_target_data(fd)(host_msg, MIN(ret, len)); | |
2982 | if (is_error(trans)) { | |
2983 | ret = trans; | |
2984 | goto fail; | |
2985 | } | |
c35e1f9c | 2986 | } |
1be9e1dc PB |
2987 | if (target_addr) { |
2988 | host_to_target_sockaddr(target_addr, addr, addrlen); | |
2f619698 FB |
2989 | if (put_user_u32(addrlen, target_addrlen)) { |
2990 | ret = -TARGET_EFAULT; | |
2991 | goto fail; | |
2992 | } | |
1be9e1dc PB |
2993 | } |
2994 | unlock_user(host_msg, msg, len); | |
2995 | } else { | |
2f619698 | 2996 | fail: |
1be9e1dc PB |
2997 | unlock_user(host_msg, msg, 0); |
2998 | } | |
2999 | return ret; | |
3000 | } | |
3001 | ||
32407103 | 3002 | #ifdef TARGET_NR_socketcall |
ff71a454 | 3003 | /* do_socketcall() must return target values and target errnos. */ |
992f48a0 | 3004 | static abi_long do_socketcall(int num, abi_ulong vptr) |
31e31b8a | 3005 | { |
ff71a454 AM |
3006 | static const unsigned nargs[] = { /* number of arguments per operation */ |
3007 | [TARGET_SYS_SOCKET] = 3, /* domain, type, protocol */ | |
3008 | [TARGET_SYS_BIND] = 3, /* fd, addr, addrlen */ | |
3009 | [TARGET_SYS_CONNECT] = 3, /* fd, addr, addrlen */ | |
3010 | [TARGET_SYS_LISTEN] = 2, /* fd, backlog */ | |
3011 | [TARGET_SYS_ACCEPT] = 3, /* fd, addr, addrlen */ | |
3012 | [TARGET_SYS_GETSOCKNAME] = 3, /* fd, addr, addrlen */ | |
3013 | [TARGET_SYS_GETPEERNAME] = 3, /* fd, addr, addrlen */ | |
3014 | [TARGET_SYS_SOCKETPAIR] = 4, /* domain, type, protocol, tab */ | |
3015 | [TARGET_SYS_SEND] = 4, /* fd, msg, len, flags */ | |
3016 | [TARGET_SYS_RECV] = 4, /* fd, msg, len, flags */ | |
3017 | [TARGET_SYS_SENDTO] = 6, /* fd, msg, len, flags, addr, addrlen */ | |
3018 | [TARGET_SYS_RECVFROM] = 6, /* fd, msg, len, flags, addr, addrlen */ | |
3019 | [TARGET_SYS_SHUTDOWN] = 2, /* fd, how */ | |
3020 | [TARGET_SYS_SETSOCKOPT] = 5, /* fd, level, optname, optval, optlen */ | |
3021 | [TARGET_SYS_GETSOCKOPT] = 5, /* fd, level, optname, optval, optlen */ | |
3022 | [TARGET_SYS_SENDMSG] = 3, /* fd, msg, flags */ | |
3023 | [TARGET_SYS_RECVMSG] = 3, /* fd, msg, flags */ | |
3024 | [TARGET_SYS_ACCEPT4] = 4, /* fd, addr, addrlen, flags */ | |
3025 | [TARGET_SYS_RECVMMSG] = 4, /* fd, msgvec, vlen, flags */ | |
3026 | [TARGET_SYS_SENDMMSG] = 4, /* fd, msgvec, vlen, flags */ | |
62dc90c6 MT |
3027 | }; |
3028 | abi_long a[6]; /* max 6 args */ | |
ff71a454 | 3029 | unsigned i; |
62dc90c6 | 3030 | |
ff71a454 AM |
3031 | /* check the range of the first argument num */ |
3032 | /* (TARGET_SYS_SENDMMSG is the highest among TARGET_SYS_xxx) */ | |
3033 | if (num < 1 || num > TARGET_SYS_SENDMMSG) { | |
3034 | return -TARGET_EINVAL; | |
3035 | } | |
3036 | /* ensure we have space for args */ | |
3037 | if (nargs[num] > ARRAY_SIZE(a)) { | |
3038 | return -TARGET_EINVAL; | |
3039 | } | |
3040 | /* collect the arguments in a[] according to nargs[] */ | |
3041 | for (i = 0; i < nargs[num]; ++i) { | |
3042 | if (get_user_ual(a[i], vptr + i * sizeof(abi_long)) != 0) { | |
3043 | return -TARGET_EFAULT; | |
31e31b8a | 3044 | } |
62dc90c6 | 3045 | } |
ff71a454 | 3046 | /* now when we have the args, invoke the appropriate underlying function */ |
62dc90c6 | 3047 | switch (num) { |
ff71a454 | 3048 | case TARGET_SYS_SOCKET: /* domain, type, protocol */ |
62dc90c6 | 3049 | return do_socket(a[0], a[1], a[2]); |
ff71a454 | 3050 | case TARGET_SYS_BIND: /* sockfd, addr, addrlen */ |
62dc90c6 | 3051 | return do_bind(a[0], a[1], a[2]); |
ff71a454 | 3052 | case TARGET_SYS_CONNECT: /* sockfd, addr, addrlen */ |
62dc90c6 | 3053 | return do_connect(a[0], a[1], a[2]); |
ff71a454 | 3054 | case TARGET_SYS_LISTEN: /* sockfd, backlog */ |
62dc90c6 | 3055 | return get_errno(listen(a[0], a[1])); |
ff71a454 | 3056 | case TARGET_SYS_ACCEPT: /* sockfd, addr, addrlen */ |
62dc90c6 | 3057 | return do_accept4(a[0], a[1], a[2], 0); |
ff71a454 | 3058 | case TARGET_SYS_GETSOCKNAME: /* sockfd, addr, addrlen */ |
62dc90c6 | 3059 | return do_getsockname(a[0], a[1], a[2]); |
ff71a454 | 3060 | case TARGET_SYS_GETPEERNAME: /* sockfd, addr, addrlen */ |
62dc90c6 | 3061 | return do_getpeername(a[0], a[1], a[2]); |
ff71a454 | 3062 | case TARGET_SYS_SOCKETPAIR: /* domain, type, protocol, tab */ |
62dc90c6 | 3063 | return do_socketpair(a[0], a[1], a[2], a[3]); |
ff71a454 | 3064 | case TARGET_SYS_SEND: /* sockfd, msg, len, flags */ |
62dc90c6 | 3065 | return do_sendto(a[0], a[1], a[2], a[3], 0, 0); |
ff71a454 | 3066 | case TARGET_SYS_RECV: /* sockfd, msg, len, flags */ |
62dc90c6 | 3067 | return do_recvfrom(a[0], a[1], a[2], a[3], 0, 0); |
ff71a454 | 3068 | case TARGET_SYS_SENDTO: /* sockfd, msg, len, flags, addr, addrlen */ |
62dc90c6 | 3069 | return do_sendto(a[0], a[1], a[2], a[3], a[4], a[5]); |
ff71a454 | 3070 | case TARGET_SYS_RECVFROM: /* sockfd, msg, len, flags, addr, addrlen */ |
62dc90c6 | 3071 | return do_recvfrom(a[0], a[1], a[2], a[3], a[4], a[5]); |
ff71a454 | 3072 | case TARGET_SYS_SHUTDOWN: /* sockfd, how */ |
62dc90c6 | 3073 | return get_errno(shutdown(a[0], a[1])); |
ff71a454 AM |
3074 | case TARGET_SYS_SETSOCKOPT: /* sockfd, level, optname, optval, optlen */ |
3075 | return do_setsockopt(a[0], a[1], a[2], a[3], a[4]); | |
3076 | case TARGET_SYS_GETSOCKOPT: /* sockfd, level, optname, optval, optlen */ | |
3077 | return do_getsockopt(a[0], a[1], a[2], a[3], a[4]); | |
3078 | case TARGET_SYS_SENDMSG: /* sockfd, msg, flags */ | |
62dc90c6 | 3079 | return do_sendrecvmsg(a[0], a[1], a[2], 1); |
ff71a454 | 3080 | case TARGET_SYS_RECVMSG: /* sockfd, msg, flags */ |
62dc90c6 | 3081 | return do_sendrecvmsg(a[0], a[1], a[2], 0); |
ff71a454 AM |
3082 | case TARGET_SYS_ACCEPT4: /* sockfd, addr, addrlen, flags */ |
3083 | return do_accept4(a[0], a[1], a[2], a[3]); | |
3084 | case TARGET_SYS_RECVMMSG: /* sockfd, msgvec, vlen, flags */ | |
5a53dc50 | 3085 | return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 0); |
ff71a454 AM |
3086 | case TARGET_SYS_SENDMMSG: /* sockfd, msgvec, vlen, flags */ |
3087 | return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 1); | |
31e31b8a FB |
3088 | default: |
3089 | gemu_log("Unsupported socketcall: %d\n", num); | |
ff71a454 | 3090 | return -TARGET_EINVAL; |
31e31b8a | 3091 | } |
31e31b8a | 3092 | } |
32407103 | 3093 | #endif |
31e31b8a | 3094 | |
8853f86e FB |
3095 | #define N_SHM_REGIONS 32 |
3096 | ||
3097 | static struct shm_region { | |
b6e17875 PM |
3098 | abi_ulong start; |
3099 | abi_ulong size; | |
3100 | bool in_use; | |
8853f86e FB |
3101 | } shm_regions[N_SHM_REGIONS]; |
3102 | ||
005eb2ae PM |
3103 | #ifndef TARGET_SEMID64_DS |
3104 | /* asm-generic version of this struct */ | |
3105 | struct target_semid64_ds | |
3eb6b044 TS |
3106 | { |
3107 | struct target_ipc_perm sem_perm; | |
992f48a0 | 3108 | abi_ulong sem_otime; |
005eb2ae | 3109 | #if TARGET_ABI_BITS == 32 |
992f48a0 | 3110 | abi_ulong __unused1; |
03527344 | 3111 | #endif |
992f48a0 | 3112 | abi_ulong sem_ctime; |
005eb2ae | 3113 | #if TARGET_ABI_BITS == 32 |
992f48a0 | 3114 | abi_ulong __unused2; |
03527344 | 3115 | #endif |
992f48a0 BS |
3116 | abi_ulong sem_nsems; |
3117 | abi_ulong __unused3; | |
3118 | abi_ulong __unused4; | |
3eb6b044 | 3119 | }; |
005eb2ae | 3120 | #endif |
3eb6b044 | 3121 | |
579a97f7 FB |
3122 | static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip, |
3123 | abi_ulong target_addr) | |
3eb6b044 TS |
3124 | { |
3125 | struct target_ipc_perm *target_ip; | |
005eb2ae | 3126 | struct target_semid64_ds *target_sd; |
3eb6b044 | 3127 | |
579a97f7 FB |
3128 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
3129 | return -TARGET_EFAULT; | |
e8bbe36c | 3130 | target_ip = &(target_sd->sem_perm); |
55a2b163 PJ |
3131 | host_ip->__key = tswap32(target_ip->__key); |
3132 | host_ip->uid = tswap32(target_ip->uid); | |
3133 | host_ip->gid = tswap32(target_ip->gid); | |
3134 | host_ip->cuid = tswap32(target_ip->cuid); | |
3135 | host_ip->cgid = tswap32(target_ip->cgid); | |
3136 | #if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC) | |
3137 | host_ip->mode = tswap32(target_ip->mode); | |
3138 | #else | |
cbb21eed | 3139 | host_ip->mode = tswap16(target_ip->mode); |
55a2b163 PJ |
3140 | #endif |
3141 | #if defined(TARGET_PPC) | |
3142 | host_ip->__seq = tswap32(target_ip->__seq); | |
3143 | #else | |
3144 | host_ip->__seq = tswap16(target_ip->__seq); | |
3145 | #endif | |
3eb6b044 | 3146 | unlock_user_struct(target_sd, target_addr, 0); |
579a97f7 | 3147 | return 0; |
3eb6b044 TS |
3148 | } |
3149 | ||
579a97f7 FB |
3150 | static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr, |
3151 | struct ipc_perm *host_ip) | |
3eb6b044 TS |
3152 | { |
3153 | struct target_ipc_perm *target_ip; | |
005eb2ae | 3154 | struct target_semid64_ds *target_sd; |
3eb6b044 | 3155 | |
579a97f7 FB |
3156 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
3157 | return -TARGET_EFAULT; | |
3eb6b044 | 3158 | target_ip = &(target_sd->sem_perm); |
55a2b163 PJ |
3159 | target_ip->__key = tswap32(host_ip->__key); |
3160 | target_ip->uid = tswap32(host_ip->uid); | |
3161 | target_ip->gid = tswap32(host_ip->gid); | |
3162 | target_ip->cuid = tswap32(host_ip->cuid); | |
3163 | target_ip->cgid = tswap32(host_ip->cgid); | |
3164 | #if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC) | |
3165 | target_ip->mode = tswap32(host_ip->mode); | |
3166 | #else | |
cbb21eed | 3167 | target_ip->mode = tswap16(host_ip->mode); |
55a2b163 PJ |
3168 | #endif |
3169 | #if defined(TARGET_PPC) | |
3170 | target_ip->__seq = tswap32(host_ip->__seq); | |
3171 | #else | |
3172 | target_ip->__seq = tswap16(host_ip->__seq); | |
3173 | #endif | |
3eb6b044 | 3174 | unlock_user_struct(target_sd, target_addr, 1); |
579a97f7 | 3175 | return 0; |
3eb6b044 TS |
3176 | } |
3177 | ||
579a97f7 FB |
3178 | static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd, |
3179 | abi_ulong target_addr) | |
3eb6b044 | 3180 | { |
005eb2ae | 3181 | struct target_semid64_ds *target_sd; |
3eb6b044 | 3182 | |
579a97f7 FB |
3183 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
3184 | return -TARGET_EFAULT; | |
e5289087 AJ |
3185 | if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr)) |
3186 | return -TARGET_EFAULT; | |
cbb21eed MB |
3187 | host_sd->sem_nsems = tswapal(target_sd->sem_nsems); |
3188 | host_sd->sem_otime = tswapal(target_sd->sem_otime); | |
3189 | host_sd->sem_ctime = tswapal(target_sd->sem_ctime); | |
3eb6b044 | 3190 | unlock_user_struct(target_sd, target_addr, 0); |
579a97f7 | 3191 | return 0; |
3eb6b044 TS |
3192 | } |
3193 | ||
579a97f7 FB |
3194 | static inline abi_long host_to_target_semid_ds(abi_ulong target_addr, |
3195 | struct semid_ds *host_sd) | |
3eb6b044 | 3196 | { |
005eb2ae | 3197 | struct target_semid64_ds *target_sd; |
3eb6b044 | 3198 | |
579a97f7 FB |
3199 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
3200 | return -TARGET_EFAULT; | |
e5289087 | 3201 | if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm))) |
3a93113a | 3202 | return -TARGET_EFAULT; |
cbb21eed MB |
3203 | target_sd->sem_nsems = tswapal(host_sd->sem_nsems); |
3204 | target_sd->sem_otime = tswapal(host_sd->sem_otime); | |
3205 | target_sd->sem_ctime = tswapal(host_sd->sem_ctime); | |
3eb6b044 | 3206 | unlock_user_struct(target_sd, target_addr, 1); |
579a97f7 | 3207 | return 0; |
3eb6b044 TS |
3208 | } |
3209 | ||
e5289087 AJ |
3210 | struct target_seminfo { |
3211 | int semmap; | |
3212 | int semmni; | |
3213 | int semmns; | |
3214 | int semmnu; | |
3215 | int semmsl; | |
3216 | int semopm; | |
3217 | int semume; | |
3218 | int semusz; | |
3219 | int semvmx; | |
3220 | int semaem; | |
3221 | }; | |
3222 | ||
3223 | static inline abi_long host_to_target_seminfo(abi_ulong target_addr, | |
3224 | struct seminfo *host_seminfo) | |
3225 | { | |
3226 | struct target_seminfo *target_seminfo; | |
3227 | if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0)) | |
3228 | return -TARGET_EFAULT; | |
3229 | __put_user(host_seminfo->semmap, &target_seminfo->semmap); | |
3230 | __put_user(host_seminfo->semmni, &target_seminfo->semmni); | |
3231 | __put_user(host_seminfo->semmns, &target_seminfo->semmns); | |
3232 | __put_user(host_seminfo->semmnu, &target_seminfo->semmnu); | |
3233 | __put_user(host_seminfo->semmsl, &target_seminfo->semmsl); | |
3234 | __put_user(host_seminfo->semopm, &target_seminfo->semopm); | |
3235 | __put_user(host_seminfo->semume, &target_seminfo->semume); | |
3236 | __put_user(host_seminfo->semusz, &target_seminfo->semusz); | |
3237 | __put_user(host_seminfo->semvmx, &target_seminfo->semvmx); | |
3238 | __put_user(host_seminfo->semaem, &target_seminfo->semaem); | |
3239 | unlock_user_struct(target_seminfo, target_addr, 1); | |
3240 | return 0; | |
3241 | } | |
3242 | ||
fa294816 TS |
3243 | union semun { |
3244 | int val; | |
3eb6b044 | 3245 | struct semid_ds *buf; |
fa294816 | 3246 | unsigned short *array; |
e5289087 | 3247 | struct seminfo *__buf; |
fa294816 TS |
3248 | }; |
3249 | ||
3eb6b044 TS |
3250 | union target_semun { |
3251 | int val; | |
e5289087 AJ |
3252 | abi_ulong buf; |
3253 | abi_ulong array; | |
3254 | abi_ulong __buf; | |
3eb6b044 TS |
3255 | }; |
3256 | ||
e5289087 AJ |
3257 | static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array, |
3258 | abi_ulong target_addr) | |
3eb6b044 | 3259 | { |
e5289087 AJ |
3260 | int nsems; |
3261 | unsigned short *array; | |
3262 | union semun semun; | |
3263 | struct semid_ds semid_ds; | |
3264 | int i, ret; | |
3eb6b044 | 3265 | |
e5289087 AJ |
3266 | semun.buf = &semid_ds; |
3267 | ||
3268 | ret = semctl(semid, 0, IPC_STAT, semun); | |
3269 | if (ret == -1) | |
3270 | return get_errno(ret); | |
3271 | ||
3272 | nsems = semid_ds.sem_nsems; | |
3273 | ||
0e173b24 | 3274 | *host_array = g_try_new(unsigned short, nsems); |
69d4c703 PM |
3275 | if (!*host_array) { |
3276 | return -TARGET_ENOMEM; | |
3277 | } | |
e5289087 AJ |
3278 | array = lock_user(VERIFY_READ, target_addr, |
3279 | nsems*sizeof(unsigned short), 1); | |
69d4c703 | 3280 | if (!array) { |
0e173b24 | 3281 | g_free(*host_array); |
e5289087 | 3282 | return -TARGET_EFAULT; |
69d4c703 | 3283 | } |
e5289087 AJ |
3284 | |
3285 | for(i=0; i<nsems; i++) { | |
3286 | __get_user((*host_array)[i], &array[i]); | |
3eb6b044 | 3287 | } |
e5289087 AJ |
3288 | unlock_user(array, target_addr, 0); |
3289 | ||
579a97f7 | 3290 | return 0; |
3eb6b044 TS |
3291 | } |
3292 | ||
e5289087 AJ |
3293 | static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr, |
3294 | unsigned short **host_array) | |
3eb6b044 | 3295 | { |
e5289087 AJ |
3296 | int nsems; |
3297 | unsigned short *array; | |
3298 | union semun semun; | |
3299 | struct semid_ds semid_ds; | |
3300 | int i, ret; | |
3eb6b044 | 3301 | |
e5289087 AJ |
3302 | semun.buf = &semid_ds; |
3303 | ||
3304 | ret = semctl(semid, 0, IPC_STAT, semun); | |
3305 | if (ret == -1) | |
3306 | return get_errno(ret); | |
3307 | ||
3308 | nsems = semid_ds.sem_nsems; | |
3309 | ||
3310 | array = lock_user(VERIFY_WRITE, target_addr, | |
3311 | nsems*sizeof(unsigned short), 0); | |
3312 | if (!array) | |
3313 | return -TARGET_EFAULT; | |
3314 | ||
3315 | for(i=0; i<nsems; i++) { | |
3316 | __put_user((*host_array)[i], &array[i]); | |
3eb6b044 | 3317 | } |
0e173b24 | 3318 | g_free(*host_array); |
e5289087 AJ |
3319 | unlock_user(array, target_addr, 1); |
3320 | ||
579a97f7 | 3321 | return 0; |
3eb6b044 TS |
3322 | } |
3323 | ||
e5289087 | 3324 | static inline abi_long do_semctl(int semid, int semnum, int cmd, |
d1c002b6 | 3325 | abi_ulong target_arg) |
3eb6b044 | 3326 | { |
d1c002b6 | 3327 | union target_semun target_su = { .buf = target_arg }; |
3eb6b044 TS |
3328 | union semun arg; |
3329 | struct semid_ds dsarg; | |
7b8118e8 | 3330 | unsigned short *array = NULL; |
e5289087 AJ |
3331 | struct seminfo seminfo; |
3332 | abi_long ret = -TARGET_EINVAL; | |
3333 | abi_long err; | |
3334 | cmd &= 0xff; | |
3eb6b044 TS |
3335 | |
3336 | switch( cmd ) { | |
3337 | case GETVAL: | |
3eb6b044 | 3338 | case SETVAL: |
5464baec TM |
3339 | /* In 64 bit cross-endian situations, we will erroneously pick up |
3340 | * the wrong half of the union for the "val" element. To rectify | |
3341 | * this, the entire 8-byte structure is byteswapped, followed by | |
3342 | * a swap of the 4 byte val field. In other cases, the data is | |
3343 | * already in proper host byte order. */ | |
3344 | if (sizeof(target_su.val) != (sizeof(target_su.buf))) { | |
3345 | target_su.buf = tswapal(target_su.buf); | |
3346 | arg.val = tswap32(target_su.val); | |
3347 | } else { | |
3348 | arg.val = target_su.val; | |
3349 | } | |
e5289087 | 3350 | ret = get_errno(semctl(semid, semnum, cmd, arg)); |
3eb6b044 TS |
3351 | break; |
3352 | case GETALL: | |
3eb6b044 | 3353 | case SETALL: |
e5289087 AJ |
3354 | err = target_to_host_semarray(semid, &array, target_su.array); |
3355 | if (err) | |
3356 | return err; | |
3357 | arg.array = array; | |
3358 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
3359 | err = host_to_target_semarray(semid, target_su.array, &array); | |
3360 | if (err) | |
3361 | return err; | |
3eb6b044 TS |
3362 | break; |
3363 | case IPC_STAT: | |
3eb6b044 | 3364 | case IPC_SET: |
e5289087 AJ |
3365 | case SEM_STAT: |
3366 | err = target_to_host_semid_ds(&dsarg, target_su.buf); | |
3367 | if (err) | |
3368 | return err; | |
3369 | arg.buf = &dsarg; | |
3370 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
3371 | err = host_to_target_semid_ds(target_su.buf, &dsarg); | |
3372 | if (err) | |
3373 | return err; | |
3374 | break; | |
3375 | case IPC_INFO: | |
3376 | case SEM_INFO: | |
3377 | arg.__buf = &seminfo; | |
3378 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
3379 | err = host_to_target_seminfo(target_su.__buf, &seminfo); | |
3380 | if (err) | |
3381 | return err; | |
3382 | break; | |
3383 | case IPC_RMID: | |
3384 | case GETPID: | |
3385 | case GETNCNT: | |
3386 | case GETZCNT: | |
3387 | ret = get_errno(semctl(semid, semnum, cmd, NULL)); | |
3eb6b044 | 3388 | break; |
3eb6b044 TS |
3389 | } |
3390 | ||
3391 | return ret; | |
3392 | } | |
3393 | ||
e5289087 AJ |
3394 | struct target_sembuf { |
3395 | unsigned short sem_num; | |
3396 | short sem_op; | |
3397 | short sem_flg; | |
3398 | }; | |
3399 | ||
3400 | static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf, | |
3401 | abi_ulong target_addr, | |
3402 | unsigned nsops) | |
3403 | { | |
3404 | struct target_sembuf *target_sembuf; | |
3405 | int i; | |
3406 | ||
3407 | target_sembuf = lock_user(VERIFY_READ, target_addr, | |
3408 | nsops*sizeof(struct target_sembuf), 1); | |
3409 | if (!target_sembuf) | |
3410 | return -TARGET_EFAULT; | |
3411 | ||
3412 | for(i=0; i<nsops; i++) { | |
3413 | __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num); | |
3414 | __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op); | |
3415 | __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg); | |
3416 | } | |
3417 | ||
3418 | unlock_user(target_sembuf, target_addr, 0); | |
3419 | ||
3420 | return 0; | |
3421 | } | |
3422 | ||
3423 | static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops) | |
3424 | { | |
3425 | struct sembuf sops[nsops]; | |
3426 | ||
3427 | if (target_to_host_sembuf(sops, ptr, nsops)) | |
3428 | return -TARGET_EFAULT; | |
3429 | ||
ffb7ee79 | 3430 | return get_errno(safe_semtimedop(semid, sops, nsops, NULL)); |
e5289087 AJ |
3431 | } |
3432 | ||
1bc012f6 TS |
3433 | struct target_msqid_ds |
3434 | { | |
1c54ff97 AJ |
3435 | struct target_ipc_perm msg_perm; |
3436 | abi_ulong msg_stime; | |
3437 | #if TARGET_ABI_BITS == 32 | |
3438 | abi_ulong __unused1; | |
3439 | #endif | |
3440 | abi_ulong msg_rtime; | |
3441 | #if TARGET_ABI_BITS == 32 | |
3442 | abi_ulong __unused2; | |
3443 | #endif | |
3444 | abi_ulong msg_ctime; | |
3445 | #if TARGET_ABI_BITS == 32 | |
3446 | abi_ulong __unused3; | |
3447 | #endif | |
3448 | abi_ulong __msg_cbytes; | |
3449 | abi_ulong msg_qnum; | |
3450 | abi_ulong msg_qbytes; | |
3451 | abi_ulong msg_lspid; | |
3452 | abi_ulong msg_lrpid; | |
3453 | abi_ulong __unused4; | |
3454 | abi_ulong __unused5; | |
1bc012f6 TS |
3455 | }; |
3456 | ||
579a97f7 FB |
3457 | static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md, |
3458 | abi_ulong target_addr) | |
1bc012f6 TS |
3459 | { |
3460 | struct target_msqid_ds *target_md; | |
3461 | ||
579a97f7 FB |
3462 | if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1)) |
3463 | return -TARGET_EFAULT; | |
1c54ff97 AJ |
3464 | if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr)) |
3465 | return -TARGET_EFAULT; | |
cbb21eed MB |
3466 | host_md->msg_stime = tswapal(target_md->msg_stime); |
3467 | host_md->msg_rtime = tswapal(target_md->msg_rtime); | |
3468 | host_md->msg_ctime = tswapal(target_md->msg_ctime); | |
3469 | host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes); | |
3470 | host_md->msg_qnum = tswapal(target_md->msg_qnum); | |
3471 | host_md->msg_qbytes = tswapal(target_md->msg_qbytes); | |
3472 | host_md->msg_lspid = tswapal(target_md->msg_lspid); | |
3473 | host_md->msg_lrpid = tswapal(target_md->msg_lrpid); | |
1bc012f6 | 3474 | unlock_user_struct(target_md, target_addr, 0); |
579a97f7 | 3475 | return 0; |
1bc012f6 TS |
3476 | } |
3477 | ||
579a97f7 FB |
3478 | static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr, |
3479 | struct msqid_ds *host_md) | |
1bc012f6 TS |
3480 | { |
3481 | struct target_msqid_ds *target_md; | |
3482 | ||
579a97f7 FB |
3483 | if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0)) |
3484 | return -TARGET_EFAULT; | |
1c54ff97 AJ |
3485 | if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm))) |
3486 | return -TARGET_EFAULT; | |
cbb21eed MB |
3487 | target_md->msg_stime = tswapal(host_md->msg_stime); |
3488 | target_md->msg_rtime = tswapal(host_md->msg_rtime); | |
3489 | target_md->msg_ctime = tswapal(host_md->msg_ctime); | |
3490 | target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes); | |
3491 | target_md->msg_qnum = tswapal(host_md->msg_qnum); | |
3492 | target_md->msg_qbytes = tswapal(host_md->msg_qbytes); | |
3493 | target_md->msg_lspid = tswapal(host_md->msg_lspid); | |
3494 | target_md->msg_lrpid = tswapal(host_md->msg_lrpid); | |
1bc012f6 | 3495 | unlock_user_struct(target_md, target_addr, 1); |
579a97f7 | 3496 | return 0; |
1bc012f6 TS |
3497 | } |
3498 | ||
1c54ff97 AJ |
3499 | struct target_msginfo { |
3500 | int msgpool; | |
3501 | int msgmap; | |
3502 | int msgmax; | |
3503 | int msgmnb; | |
3504 | int msgmni; | |
3505 | int msgssz; | |
3506 | int msgtql; | |
3507 | unsigned short int msgseg; | |
3508 | }; | |
3509 | ||
3510 | static inline abi_long host_to_target_msginfo(abi_ulong target_addr, | |
3511 | struct msginfo *host_msginfo) | |
3512 | { | |
3513 | struct target_msginfo *target_msginfo; | |
3514 | if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0)) | |
3515 | return -TARGET_EFAULT; | |
3516 | __put_user(host_msginfo->msgpool, &target_msginfo->msgpool); | |
3517 | __put_user(host_msginfo->msgmap, &target_msginfo->msgmap); | |
3518 | __put_user(host_msginfo->msgmax, &target_msginfo->msgmax); | |
3519 | __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb); | |
3520 | __put_user(host_msginfo->msgmni, &target_msginfo->msgmni); | |
3521 | __put_user(host_msginfo->msgssz, &target_msginfo->msgssz); | |
3522 | __put_user(host_msginfo->msgtql, &target_msginfo->msgtql); | |
3523 | __put_user(host_msginfo->msgseg, &target_msginfo->msgseg); | |
3524 | unlock_user_struct(target_msginfo, target_addr, 1); | |
00b229ac | 3525 | return 0; |
1c54ff97 AJ |
3526 | } |
3527 | ||
3528 | static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr) | |
1bc012f6 TS |
3529 | { |
3530 | struct msqid_ds dsarg; | |
1c54ff97 AJ |
3531 | struct msginfo msginfo; |
3532 | abi_long ret = -TARGET_EINVAL; | |
3533 | ||
3534 | cmd &= 0xff; | |
3535 | ||
3536 | switch (cmd) { | |
1bc012f6 TS |
3537 | case IPC_STAT: |
3538 | case IPC_SET: | |
1c54ff97 AJ |
3539 | case MSG_STAT: |
3540 | if (target_to_host_msqid_ds(&dsarg,ptr)) | |
3541 | return -TARGET_EFAULT; | |
3542 | ret = get_errno(msgctl(msgid, cmd, &dsarg)); | |
3543 | if (host_to_target_msqid_ds(ptr,&dsarg)) | |
3544 | return -TARGET_EFAULT; | |
3545 | break; | |
3546 | case IPC_RMID: | |
3547 | ret = get_errno(msgctl(msgid, cmd, NULL)); | |
3548 | break; | |
3549 | case IPC_INFO: | |
3550 | case MSG_INFO: | |
3551 | ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo)); | |
3552 | if (host_to_target_msginfo(ptr, &msginfo)) | |
3553 | return -TARGET_EFAULT; | |
3554 | break; | |
1bc012f6 | 3555 | } |
1c54ff97 | 3556 | |
1bc012f6 TS |
3557 | return ret; |
3558 | } | |
3559 | ||
3560 | struct target_msgbuf { | |
1c54ff97 AJ |
3561 | abi_long mtype; |
3562 | char mtext[1]; | |
1bc012f6 TS |
3563 | }; |
3564 | ||
992f48a0 | 3565 | static inline abi_long do_msgsnd(int msqid, abi_long msgp, |
edcc5f9d | 3566 | ssize_t msgsz, int msgflg) |
1bc012f6 TS |
3567 | { |
3568 | struct target_msgbuf *target_mb; | |
3569 | struct msgbuf *host_mb; | |
992f48a0 | 3570 | abi_long ret = 0; |
1bc012f6 | 3571 | |
edcc5f9d TM |
3572 | if (msgsz < 0) { |
3573 | return -TARGET_EINVAL; | |
3574 | } | |
3575 | ||
579a97f7 FB |
3576 | if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0)) |
3577 | return -TARGET_EFAULT; | |
0e173b24 | 3578 | host_mb = g_try_malloc(msgsz + sizeof(long)); |
29e03fcb HZ |
3579 | if (!host_mb) { |
3580 | unlock_user_struct(target_mb, msgp, 0); | |
3581 | return -TARGET_ENOMEM; | |
3582 | } | |
cbb21eed | 3583 | host_mb->mtype = (abi_long) tswapal(target_mb->mtype); |
1c54ff97 | 3584 | memcpy(host_mb->mtext, target_mb->mtext, msgsz); |
89f9fe44 | 3585 | ret = get_errno(safe_msgsnd(msqid, host_mb, msgsz, msgflg)); |
0e173b24 | 3586 | g_free(host_mb); |
1bc012f6 TS |
3587 | unlock_user_struct(target_mb, msgp, 0); |
3588 | ||
3589 | return ret; | |
3590 | } | |
3591 | ||
992f48a0 | 3592 | static inline abi_long do_msgrcv(int msqid, abi_long msgp, |
99874f65 | 3593 | ssize_t msgsz, abi_long msgtyp, |
992f48a0 | 3594 | int msgflg) |
1bc012f6 TS |
3595 | { |
3596 | struct target_msgbuf *target_mb; | |
579a97f7 | 3597 | char *target_mtext; |
1bc012f6 | 3598 | struct msgbuf *host_mb; |
992f48a0 | 3599 | abi_long ret = 0; |
1bc012f6 | 3600 | |
99874f65 PM |
3601 | if (msgsz < 0) { |
3602 | return -TARGET_EINVAL; | |
3603 | } | |
3604 | ||
579a97f7 FB |
3605 | if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0)) |
3606 | return -TARGET_EFAULT; | |
1c54ff97 | 3607 | |
415d8471 PM |
3608 | host_mb = g_try_malloc(msgsz + sizeof(long)); |
3609 | if (!host_mb) { | |
3610 | ret = -TARGET_ENOMEM; | |
3611 | goto end; | |
3612 | } | |
89f9fe44 | 3613 | ret = get_errno(safe_msgrcv(msqid, host_mb, msgsz, msgtyp, msgflg)); |
1c54ff97 | 3614 | |
579a97f7 FB |
3615 | if (ret > 0) { |
3616 | abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong); | |
3617 | target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0); | |
3618 | if (!target_mtext) { | |
3619 | ret = -TARGET_EFAULT; | |
3620 | goto end; | |
3621 | } | |
1c54ff97 | 3622 | memcpy(target_mb->mtext, host_mb->mtext, ret); |
579a97f7 FB |
3623 | unlock_user(target_mtext, target_mtext_addr, ret); |
3624 | } | |
1c54ff97 | 3625 | |
cbb21eed | 3626 | target_mb->mtype = tswapal(host_mb->mtype); |
1bc012f6 | 3627 | |
579a97f7 FB |
3628 | end: |
3629 | if (target_mb) | |
3630 | unlock_user_struct(target_mb, msgp, 1); | |
0d07fe47 | 3631 | g_free(host_mb); |
1bc012f6 TS |
3632 | return ret; |
3633 | } | |
3634 | ||
88a8c984 RV |
3635 | static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd, |
3636 | abi_ulong target_addr) | |
3637 | { | |
3638 | struct target_shmid_ds *target_sd; | |
3639 | ||
3640 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) | |
3641 | return -TARGET_EFAULT; | |
3642 | if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr)) | |
3643 | return -TARGET_EFAULT; | |
3644 | __get_user(host_sd->shm_segsz, &target_sd->shm_segsz); | |
3645 | __get_user(host_sd->shm_atime, &target_sd->shm_atime); | |
3646 | __get_user(host_sd->shm_dtime, &target_sd->shm_dtime); | |
3647 | __get_user(host_sd->shm_ctime, &target_sd->shm_ctime); | |
3648 | __get_user(host_sd->shm_cpid, &target_sd->shm_cpid); | |
3649 | __get_user(host_sd->shm_lpid, &target_sd->shm_lpid); | |
3650 | __get_user(host_sd->shm_nattch, &target_sd->shm_nattch); | |
3651 | unlock_user_struct(target_sd, target_addr, 0); | |
3652 | return 0; | |
3653 | } | |
3654 | ||
3655 | static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr, | |
3656 | struct shmid_ds *host_sd) | |
3657 | { | |
3658 | struct target_shmid_ds *target_sd; | |
3659 | ||
3660 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) | |
3661 | return -TARGET_EFAULT; | |
3662 | if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm))) | |
3663 | return -TARGET_EFAULT; | |
3664 | __put_user(host_sd->shm_segsz, &target_sd->shm_segsz); | |
3665 | __put_user(host_sd->shm_atime, &target_sd->shm_atime); | |
3666 | __put_user(host_sd->shm_dtime, &target_sd->shm_dtime); | |
3667 | __put_user(host_sd->shm_ctime, &target_sd->shm_ctime); | |
3668 | __put_user(host_sd->shm_cpid, &target_sd->shm_cpid); | |
3669 | __put_user(host_sd->shm_lpid, &target_sd->shm_lpid); | |
3670 | __put_user(host_sd->shm_nattch, &target_sd->shm_nattch); | |
3671 | unlock_user_struct(target_sd, target_addr, 1); | |
3672 | return 0; | |
3673 | } | |
3674 | ||
3675 | struct target_shminfo { | |
3676 | abi_ulong shmmax; | |
3677 | abi_ulong shmmin; | |
3678 | abi_ulong shmmni; | |
3679 | abi_ulong shmseg; | |
3680 | abi_ulong shmall; | |
3681 | }; | |
3682 | ||
3683 | static inline abi_long host_to_target_shminfo(abi_ulong target_addr, | |
3684 | struct shminfo *host_shminfo) | |
3685 | { | |
3686 | struct target_shminfo *target_shminfo; | |
3687 | if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0)) | |
3688 | return -TARGET_EFAULT; | |
3689 | __put_user(host_shminfo->shmmax, &target_shminfo->shmmax); | |
3690 | __put_user(host_shminfo->shmmin, &target_shminfo->shmmin); | |
3691 | __put_user(host_shminfo->shmmni, &target_shminfo->shmmni); | |
3692 | __put_user(host_shminfo->shmseg, &target_shminfo->shmseg); | |
3693 | __put_user(host_shminfo->shmall, &target_shminfo->shmall); | |
3694 | unlock_user_struct(target_shminfo, target_addr, 1); | |
3695 | return 0; | |
3696 | } | |
3697 | ||
3698 | struct target_shm_info { | |
3699 | int used_ids; | |
3700 | abi_ulong shm_tot; | |
3701 | abi_ulong shm_rss; | |
3702 | abi_ulong shm_swp; | |
3703 | abi_ulong swap_attempts; | |
3704 | abi_ulong swap_successes; | |
3705 | }; | |
3706 | ||
3707 | static inline abi_long host_to_target_shm_info(abi_ulong target_addr, | |
3708 | struct shm_info *host_shm_info) | |
3709 | { | |
3710 | struct target_shm_info *target_shm_info; | |
3711 | if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0)) | |
3712 | return -TARGET_EFAULT; | |
3713 | __put_user(host_shm_info->used_ids, &target_shm_info->used_ids); | |
3714 | __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot); | |
3715 | __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss); | |
3716 | __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp); | |
3717 | __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts); | |
3718 | __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes); | |
3719 | unlock_user_struct(target_shm_info, target_addr, 1); | |
3720 | return 0; | |
3721 | } | |
3722 | ||
3723 | static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf) | |
3724 | { | |
3725 | struct shmid_ds dsarg; | |
3726 | struct shminfo shminfo; | |
3727 | struct shm_info shm_info; | |
3728 | abi_long ret = -TARGET_EINVAL; | |
3729 | ||
3730 | cmd &= 0xff; | |
3731 | ||
3732 | switch(cmd) { | |
3733 | case IPC_STAT: | |
3734 | case IPC_SET: | |
3735 | case SHM_STAT: | |
3736 | if (target_to_host_shmid_ds(&dsarg, buf)) | |
3737 | return -TARGET_EFAULT; | |
3738 | ret = get_errno(shmctl(shmid, cmd, &dsarg)); | |
3739 | if (host_to_target_shmid_ds(buf, &dsarg)) | |
3740 | return -TARGET_EFAULT; | |
3741 | break; | |
3742 | case IPC_INFO: | |
3743 | ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo)); | |
3744 | if (host_to_target_shminfo(buf, &shminfo)) | |
3745 | return -TARGET_EFAULT; | |
3746 | break; | |
3747 | case SHM_INFO: | |
3748 | ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info)); | |
3749 | if (host_to_target_shm_info(buf, &shm_info)) | |
3750 | return -TARGET_EFAULT; | |
3751 | break; | |
3752 | case IPC_RMID: | |
3753 | case SHM_LOCK: | |
3754 | case SHM_UNLOCK: | |
3755 | ret = get_errno(shmctl(shmid, cmd, NULL)); | |
3756 | break; | |
3757 | } | |
3758 | ||
3759 | return ret; | |
3760 | } | |
3761 | ||
ee8e7614 PM |
3762 | #ifndef TARGET_FORCE_SHMLBA |
3763 | /* For most architectures, SHMLBA is the same as the page size; | |
3764 | * some architectures have larger values, in which case they should | |
3765 | * define TARGET_FORCE_SHMLBA and provide a target_shmlba() function. | |
3766 | * This corresponds to the kernel arch code defining __ARCH_FORCE_SHMLBA | |
3767 | * and defining its own value for SHMLBA. | |
3768 | * | |
3769 | * The kernel also permits SHMLBA to be set by the architecture to a | |
3770 | * value larger than the page size without setting __ARCH_FORCE_SHMLBA; | |
3771 | * this means that addresses are rounded to the large size if | |
3772 | * SHM_RND is set but addresses not aligned to that size are not rejected | |
3773 | * as long as they are at least page-aligned. Since the only architecture | |
3774 | * which uses this is ia64 this code doesn't provide for that oddity. | |
3775 | */ | |
3776 | static inline abi_ulong target_shmlba(CPUArchState *cpu_env) | |
3777 | { | |
3778 | return TARGET_PAGE_SIZE; | |
3779 | } | |
3780 | #endif | |
3781 | ||
3782 | static inline abi_ulong do_shmat(CPUArchState *cpu_env, | |
3783 | int shmid, abi_ulong shmaddr, int shmflg) | |
88a8c984 RV |
3784 | { |
3785 | abi_long raddr; | |
3786 | void *host_raddr; | |
3787 | struct shmid_ds shm_info; | |
3788 | int i,ret; | |
ee8e7614 | 3789 | abi_ulong shmlba; |
88a8c984 RV |
3790 | |
3791 | /* find out the length of the shared memory segment */ | |
3792 | ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info)); | |
3793 | if (is_error(ret)) { | |
3794 | /* can't get length, bail out */ | |
3795 | return ret; | |
3796 | } | |
3797 | ||
ee8e7614 PM |
3798 | shmlba = target_shmlba(cpu_env); |
3799 | ||
3800 | if (shmaddr & (shmlba - 1)) { | |
3801 | if (shmflg & SHM_RND) { | |
3802 | shmaddr &= ~(shmlba - 1); | |
3803 | } else { | |
3804 | return -TARGET_EINVAL; | |
3805 | } | |
3806 | } | |
ebf9a363 MF |
3807 | if (!guest_range_valid(shmaddr, shm_info.shm_segsz)) { |
3808 | return -TARGET_EINVAL; | |
3809 | } | |
ee8e7614 | 3810 | |
88a8c984 RV |
3811 | mmap_lock(); |
3812 | ||
3813 | if (shmaddr) | |
3814 | host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg); | |
3815 | else { | |
3816 | abi_ulong mmap_start; | |
3817 | ||
3818 | mmap_start = mmap_find_vma(0, shm_info.shm_segsz); | |
3819 | ||
3820 | if (mmap_start == -1) { | |
3821 | errno = ENOMEM; | |
3822 | host_raddr = (void *)-1; | |
3823 | } else | |
3824 | host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP); | |
3825 | } | |
3826 | ||
3827 | if (host_raddr == (void *)-1) { | |
3828 | mmap_unlock(); | |
3829 | return get_errno((long)host_raddr); | |
3830 | } | |
3831 | raddr=h2g((unsigned long)host_raddr); | |
3832 | ||
3833 | page_set_flags(raddr, raddr + shm_info.shm_segsz, | |
3834 | PAGE_VALID | PAGE_READ | | |
3835 | ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE)); | |
3836 | ||
3837 | for (i = 0; i < N_SHM_REGIONS; i++) { | |
b6e17875 PM |
3838 | if (!shm_regions[i].in_use) { |
3839 | shm_regions[i].in_use = true; | |
88a8c984 RV |
3840 | shm_regions[i].start = raddr; |
3841 | shm_regions[i].size = shm_info.shm_segsz; | |
3842 | break; | |
3843 | } | |
3844 | } | |
3845 | ||
3846 | mmap_unlock(); | |
3847 | return raddr; | |
3848 | ||
3849 | } | |
3850 | ||
3851 | static inline abi_long do_shmdt(abi_ulong shmaddr) | |
3852 | { | |
3853 | int i; | |
3c5f6a5f MF |
3854 | abi_long rv; |
3855 | ||
3856 | mmap_lock(); | |
88a8c984 RV |
3857 | |
3858 | for (i = 0; i < N_SHM_REGIONS; ++i) { | |
b6e17875 PM |
3859 | if (shm_regions[i].in_use && shm_regions[i].start == shmaddr) { |
3860 | shm_regions[i].in_use = false; | |
e00ac249 | 3861 | page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0); |
88a8c984 RV |
3862 | break; |
3863 | } | |
3864 | } | |
3c5f6a5f | 3865 | rv = get_errno(shmdt(g2h(shmaddr))); |
88a8c984 | 3866 | |
3c5f6a5f | 3867 | mmap_unlock(); |
88a8c984 | 3868 | |
3c5f6a5f | 3869 | return rv; |
88a8c984 RV |
3870 | } |
3871 | ||
1c54ff97 | 3872 | #ifdef TARGET_NR_ipc |
53a5960a | 3873 | /* ??? This only works with linear mappings. */ |
0da46a6e | 3874 | /* do_ipc() must return target values and target errnos. */ |
ee8e7614 PM |
3875 | static abi_long do_ipc(CPUArchState *cpu_env, |
3876 | unsigned int call, abi_long first, | |
37ed0956 | 3877 | abi_long second, abi_long third, |
992f48a0 | 3878 | abi_long ptr, abi_long fifth) |
8853f86e FB |
3879 | { |
3880 | int version; | |
992f48a0 | 3881 | abi_long ret = 0; |
8853f86e FB |
3882 | |
3883 | version = call >> 16; | |
3884 | call &= 0xffff; | |
3885 | ||
3886 | switch (call) { | |
fa294816 | 3887 | case IPCOP_semop: |
e5289087 | 3888 | ret = do_semop(first, ptr, second); |
fa294816 TS |
3889 | break; |
3890 | ||
3891 | case IPCOP_semget: | |
3892 | ret = get_errno(semget(first, second, third)); | |
3893 | break; | |
3894 | ||
5d2fa8eb TM |
3895 | case IPCOP_semctl: { |
3896 | /* The semun argument to semctl is passed by value, so dereference the | |
3897 | * ptr argument. */ | |
3898 | abi_ulong atptr; | |
37ed0956 | 3899 | get_user_ual(atptr, ptr); |
d1c002b6 | 3900 | ret = do_semctl(first, second, third, atptr); |
fa294816 | 3901 | break; |
5d2fa8eb | 3902 | } |
d96372ef | 3903 | |
1c54ff97 AJ |
3904 | case IPCOP_msgget: |
3905 | ret = get_errno(msgget(first, second)); | |
3906 | break; | |
d96372ef | 3907 | |
1c54ff97 AJ |
3908 | case IPCOP_msgsnd: |
3909 | ret = do_msgsnd(first, ptr, second, third); | |
3910 | break; | |
d96372ef | 3911 | |
1c54ff97 AJ |
3912 | case IPCOP_msgctl: |
3913 | ret = do_msgctl(first, second, ptr); | |
3914 | break; | |
d96372ef | 3915 | |
1c54ff97 AJ |
3916 | case IPCOP_msgrcv: |
3917 | switch (version) { | |
3918 | case 0: | |
3919 | { | |
3920 | struct target_ipc_kludge { | |
3921 | abi_long msgp; | |
3922 | abi_long msgtyp; | |
3923 | } *tmp; | |
3924 | ||
3925 | if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) { | |
3926 | ret = -TARGET_EFAULT; | |
3927 | break; | |
3928 | } | |
d96372ef | 3929 | |
79dd77de | 3930 | ret = do_msgrcv(first, tswapal(tmp->msgp), second, tswapal(tmp->msgtyp), third); |
d96372ef | 3931 | |
1c54ff97 AJ |
3932 | unlock_user_struct(tmp, ptr, 0); |
3933 | break; | |
3934 | } | |
3935 | default: | |
3936 | ret = do_msgrcv(first, ptr, second, fifth, third); | |
3937 | } | |
3938 | break; | |
d96372ef | 3939 | |
8853f86e | 3940 | case IPCOP_shmat: |
88a8c984 RV |
3941 | switch (version) { |
3942 | default: | |
5a4a898d FB |
3943 | { |
3944 | abi_ulong raddr; | |
ee8e7614 | 3945 | raddr = do_shmat(cpu_env, first, ptr, second); |
88a8c984 RV |
3946 | if (is_error(raddr)) |
3947 | return get_errno(raddr); | |
2f619698 | 3948 | if (put_user_ual(raddr, third)) |
5a4a898d | 3949 | return -TARGET_EFAULT; |
88a8c984 RV |
3950 | break; |
3951 | } | |
3952 | case 1: | |
3953 | ret = -TARGET_EINVAL; | |
3954 | break; | |
5a4a898d | 3955 | } |
8853f86e FB |
3956 | break; |
3957 | case IPCOP_shmdt: | |
88a8c984 | 3958 | ret = do_shmdt(ptr); |
8853f86e FB |
3959 | break; |
3960 | ||
3961 | case IPCOP_shmget: | |
3962 | /* IPC_* flag values are the same on all linux platforms */ | |
3963 | ret = get_errno(shmget(first, second, third)); | |
3964 | break; | |
3965 | ||
3966 | /* IPC_* and SHM_* command values are the same on all linux platforms */ | |
3967 | case IPCOP_shmctl: | |
a2926784 | 3968 | ret = do_shmctl(first, second, ptr); |
8853f86e FB |
3969 | break; |
3970 | default: | |
32407103 | 3971 | gemu_log("Unsupported ipc call: %d (version %d)\n", call, version); |
0da46a6e | 3972 | ret = -TARGET_ENOSYS; |
8853f86e FB |
3973 | break; |
3974 | } | |
3975 | return ret; | |
3976 | } | |
32407103 | 3977 | #endif |
8853f86e | 3978 | |
31e31b8a | 3979 | /* kernel structure types definitions */ |
31e31b8a | 3980 | |
001faf32 | 3981 | #define STRUCT(name, ...) STRUCT_ ## name, |
31e31b8a FB |
3982 | #define STRUCT_SPECIAL(name) STRUCT_ ## name, |
3983 | enum { | |
3984 | #include "syscall_types.h" | |
8be656b8 | 3985 | STRUCT_MAX |
31e31b8a FB |
3986 | }; |
3987 | #undef STRUCT | |
3988 | #undef STRUCT_SPECIAL | |
3989 | ||
001faf32 | 3990 | #define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL }; |
31e31b8a FB |
3991 | #define STRUCT_SPECIAL(name) |
3992 | #include "syscall_types.h" | |
3993 | #undef STRUCT | |
3994 | #undef STRUCT_SPECIAL | |
3995 | ||
d2ef05bb PM |
3996 | typedef struct IOCTLEntry IOCTLEntry; |
3997 | ||
3998 | typedef abi_long do_ioctl_fn(const IOCTLEntry *ie, uint8_t *buf_temp, | |
45c874eb | 3999 | int fd, int cmd, abi_long arg); |
d2ef05bb PM |
4000 | |
4001 | struct IOCTLEntry { | |
9c6bf9c7 | 4002 | int target_cmd; |
2ab83ea7 | 4003 | unsigned int host_cmd; |
31e31b8a FB |
4004 | const char *name; |
4005 | int access; | |
d2ef05bb | 4006 | do_ioctl_fn *do_ioctl; |
1a9353d2 | 4007 | const argtype arg_type[5]; |
d2ef05bb | 4008 | }; |
31e31b8a FB |
4009 | |
4010 | #define IOC_R 0x0001 | |
4011 | #define IOC_W 0x0002 | |
4012 | #define IOC_RW (IOC_R | IOC_W) | |
4013 | ||
4014 | #define MAX_STRUCT_SIZE 4096 | |
4015 | ||
dace20dc | 4016 | #ifdef CONFIG_FIEMAP |
285da2b9 PM |
4017 | /* So fiemap access checks don't overflow on 32 bit systems. |
4018 | * This is very slightly smaller than the limit imposed by | |
4019 | * the underlying kernel. | |
4020 | */ | |
4021 | #define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \ | |
4022 | / sizeof(struct fiemap_extent)) | |
4023 | ||
4024 | static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp, | |
45c874eb | 4025 | int fd, int cmd, abi_long arg) |
285da2b9 PM |
4026 | { |
4027 | /* The parameter for this ioctl is a struct fiemap followed | |
4028 | * by an array of struct fiemap_extent whose size is set | |
4029 | * in fiemap->fm_extent_count. The array is filled in by the | |
4030 | * ioctl. | |
4031 | */ | |
4032 | int target_size_in, target_size_out; | |
4033 | struct fiemap *fm; | |
4034 | const argtype *arg_type = ie->arg_type; | |
4035 | const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) }; | |
4036 | void *argptr, *p; | |
4037 | abi_long ret; | |
4038 | int i, extent_size = thunk_type_size(extent_arg_type, 0); | |
4039 | uint32_t outbufsz; | |
4040 | int free_fm = 0; | |
4041 | ||
4042 | assert(arg_type[0] == TYPE_PTR); | |
4043 | assert(ie->access == IOC_RW); | |
4044 | arg_type++; | |
4045 | target_size_in = thunk_type_size(arg_type, 0); | |
4046 | argptr = lock_user(VERIFY_READ, arg, target_size_in, 1); | |
4047 | if (!argptr) { | |
4048 | return -TARGET_EFAULT; | |
4049 | } | |
4050 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
4051 | unlock_user(argptr, arg, 0); | |
4052 | fm = (struct fiemap *)buf_temp; | |
4053 | if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) { | |
4054 | return -TARGET_EINVAL; | |
4055 | } | |
4056 | ||
4057 | outbufsz = sizeof (*fm) + | |
4058 | (sizeof(struct fiemap_extent) * fm->fm_extent_count); | |
4059 | ||
4060 | if (outbufsz > MAX_STRUCT_SIZE) { | |
4061 | /* We can't fit all the extents into the fixed size buffer. | |
4062 | * Allocate one that is large enough and use it instead. | |
4063 | */ | |
0e173b24 | 4064 | fm = g_try_malloc(outbufsz); |
285da2b9 PM |
4065 | if (!fm) { |
4066 | return -TARGET_ENOMEM; | |
4067 | } | |
4068 | memcpy(fm, buf_temp, sizeof(struct fiemap)); | |
4069 | free_fm = 1; | |
4070 | } | |
49ca6f3e | 4071 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, fm)); |
285da2b9 PM |
4072 | if (!is_error(ret)) { |
4073 | target_size_out = target_size_in; | |
4074 | /* An extent_count of 0 means we were only counting the extents | |
4075 | * so there are no structs to copy | |
4076 | */ | |
4077 | if (fm->fm_extent_count != 0) { | |
4078 | target_size_out += fm->fm_mapped_extents * extent_size; | |
4079 | } | |
4080 | argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0); | |
4081 | if (!argptr) { | |
4082 | ret = -TARGET_EFAULT; | |
4083 | } else { | |
4084 | /* Convert the struct fiemap */ | |
4085 | thunk_convert(argptr, fm, arg_type, THUNK_TARGET); | |
4086 | if (fm->fm_extent_count != 0) { | |
4087 | p = argptr + target_size_in; | |
4088 | /* ...and then all the struct fiemap_extents */ | |
4089 | for (i = 0; i < fm->fm_mapped_extents; i++) { | |
4090 | thunk_convert(p, &fm->fm_extents[i], extent_arg_type, | |
4091 | THUNK_TARGET); | |
4092 | p += extent_size; | |
4093 | } | |
4094 | } | |
4095 | unlock_user(argptr, arg, target_size_out); | |
4096 | } | |
4097 | } | |
4098 | if (free_fm) { | |
0e173b24 | 4099 | g_free(fm); |
285da2b9 PM |
4100 | } |
4101 | return ret; | |
4102 | } | |
dace20dc | 4103 | #endif |
285da2b9 | 4104 | |
059c2f2c | 4105 | static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp, |
45c874eb | 4106 | int fd, int cmd, abi_long arg) |
059c2f2c LV |
4107 | { |
4108 | const argtype *arg_type = ie->arg_type; | |
4109 | int target_size; | |
4110 | void *argptr; | |
4111 | int ret; | |
4112 | struct ifconf *host_ifconf; | |
4113 | uint32_t outbufsz; | |
4114 | const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) }; | |
4115 | int target_ifreq_size; | |
4116 | int nb_ifreq; | |
4117 | int free_buf = 0; | |
4118 | int i; | |
4119 | int target_ifc_len; | |
4120 | abi_long target_ifc_buf; | |
4121 | int host_ifc_len; | |
4122 | char *host_ifc_buf; | |
4123 | ||
4124 | assert(arg_type[0] == TYPE_PTR); | |
4125 | assert(ie->access == IOC_RW); | |
4126 | ||
4127 | arg_type++; | |
4128 | target_size = thunk_type_size(arg_type, 0); | |
4129 | ||
4130 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
4131 | if (!argptr) | |
4132 | return -TARGET_EFAULT; | |
4133 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
4134 | unlock_user(argptr, arg, 0); | |
4135 | ||
4136 | host_ifconf = (struct ifconf *)(unsigned long)buf_temp; | |
4137 | target_ifc_len = host_ifconf->ifc_len; | |
4138 | target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf; | |
4139 | ||
4140 | target_ifreq_size = thunk_type_size(ifreq_arg_type, 0); | |
4141 | nb_ifreq = target_ifc_len / target_ifreq_size; | |
4142 | host_ifc_len = nb_ifreq * sizeof(struct ifreq); | |
4143 | ||
4144 | outbufsz = sizeof(*host_ifconf) + host_ifc_len; | |
4145 | if (outbufsz > MAX_STRUCT_SIZE) { | |
4146 | /* We can't fit all the extents into the fixed size buffer. | |
4147 | * Allocate one that is large enough and use it instead. | |
4148 | */ | |
4149 | host_ifconf = malloc(outbufsz); | |
4150 | if (!host_ifconf) { | |
4151 | return -TARGET_ENOMEM; | |
4152 | } | |
4153 | memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf)); | |
4154 | free_buf = 1; | |
4155 | } | |
4156 | host_ifc_buf = (char*)host_ifconf + sizeof(*host_ifconf); | |
4157 | ||
4158 | host_ifconf->ifc_len = host_ifc_len; | |
4159 | host_ifconf->ifc_buf = host_ifc_buf; | |
4160 | ||
49ca6f3e | 4161 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, host_ifconf)); |
059c2f2c LV |
4162 | if (!is_error(ret)) { |
4163 | /* convert host ifc_len to target ifc_len */ | |
4164 | ||
4165 | nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq); | |
4166 | target_ifc_len = nb_ifreq * target_ifreq_size; | |
4167 | host_ifconf->ifc_len = target_ifc_len; | |
4168 | ||
4169 | /* restore target ifc_buf */ | |
4170 | ||
4171 | host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf; | |
4172 | ||
4173 | /* copy struct ifconf to target user */ | |
4174 | ||
4175 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
4176 | if (!argptr) | |
4177 | return -TARGET_EFAULT; | |
4178 | thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET); | |
4179 | unlock_user(argptr, arg, target_size); | |
4180 | ||
4181 | /* copy ifreq[] to target user */ | |
4182 | ||
4183 | argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0); | |
4184 | for (i = 0; i < nb_ifreq ; i++) { | |
4185 | thunk_convert(argptr + i * target_ifreq_size, | |
4186 | host_ifc_buf + i * sizeof(struct ifreq), | |
4187 | ifreq_arg_type, THUNK_TARGET); | |
4188 | } | |
4189 | unlock_user(argptr, target_ifc_buf, target_ifc_len); | |
4190 | } | |
4191 | ||
4192 | if (free_buf) { | |
4193 | free(host_ifconf); | |
4194 | } | |
4195 | ||
4196 | return ret; | |
4197 | } | |
4198 | ||
56e904ec | 4199 | static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd, |
45c874eb | 4200 | int cmd, abi_long arg) |
56e904ec AG |
4201 | { |
4202 | void *argptr; | |
4203 | struct dm_ioctl *host_dm; | |
4204 | abi_long guest_data; | |
4205 | uint32_t guest_data_size; | |
4206 | int target_size; | |
4207 | const argtype *arg_type = ie->arg_type; | |
4208 | abi_long ret; | |
4209 | void *big_buf = NULL; | |
4210 | char *host_data; | |
4211 | ||
4212 | arg_type++; | |
4213 | target_size = thunk_type_size(arg_type, 0); | |
4214 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
4215 | if (!argptr) { | |
4216 | ret = -TARGET_EFAULT; | |
4217 | goto out; | |
4218 | } | |
4219 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
4220 | unlock_user(argptr, arg, 0); | |
4221 | ||
4222 | /* buf_temp is too small, so fetch things into a bigger buffer */ | |
4223 | big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2); | |
4224 | memcpy(big_buf, buf_temp, target_size); | |
4225 | buf_temp = big_buf; | |
4226 | host_dm = big_buf; | |
4227 | ||
4228 | guest_data = arg + host_dm->data_start; | |
4229 | if ((guest_data - arg) < 0) { | |
f9757b1d | 4230 | ret = -TARGET_EINVAL; |
56e904ec AG |
4231 | goto out; |
4232 | } | |
4233 | guest_data_size = host_dm->data_size - host_dm->data_start; | |
4234 | host_data = (char*)host_dm + host_dm->data_start; | |
4235 | ||
4236 | argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1); | |
3211215e PM |
4237 | if (!argptr) { |
4238 | ret = -TARGET_EFAULT; | |
4239 | goto out; | |
4240 | } | |
4241 | ||
56e904ec AG |
4242 | switch (ie->host_cmd) { |
4243 | case DM_REMOVE_ALL: | |
4244 | case DM_LIST_DEVICES: | |
4245 | case DM_DEV_CREATE: | |
4246 | case DM_DEV_REMOVE: | |
4247 | case DM_DEV_SUSPEND: | |
4248 | case DM_DEV_STATUS: | |
4249 | case DM_DEV_WAIT: | |
4250 | case DM_TABLE_STATUS: | |
4251 | case DM_TABLE_CLEAR: | |
4252 | case DM_TABLE_DEPS: | |
4253 | case DM_LIST_VERSIONS: | |
4254 | /* no input data */ | |
4255 | break; | |
4256 | case DM_DEV_RENAME: | |
4257 | case DM_DEV_SET_GEOMETRY: | |
4258 | /* data contains only strings */ | |
4259 | memcpy(host_data, argptr, guest_data_size); | |
4260 | break; | |
4261 | case DM_TARGET_MSG: | |
4262 | memcpy(host_data, argptr, guest_data_size); | |
4263 | *(uint64_t*)host_data = tswap64(*(uint64_t*)argptr); | |
4264 | break; | |
4265 | case DM_TABLE_LOAD: | |
4266 | { | |
4267 | void *gspec = argptr; | |
4268 | void *cur_data = host_data; | |
4269 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) }; | |
4270 | int spec_size = thunk_type_size(arg_type, 0); | |
4271 | int i; | |
4272 | ||
4273 | for (i = 0; i < host_dm->target_count; i++) { | |
4274 | struct dm_target_spec *spec = cur_data; | |
4275 | uint32_t next; | |
4276 | int slen; | |
4277 | ||
4278 | thunk_convert(spec, gspec, arg_type, THUNK_HOST); | |
4279 | slen = strlen((char*)gspec + spec_size) + 1; | |
4280 | next = spec->next; | |
4281 | spec->next = sizeof(*spec) + slen; | |
4282 | strcpy((char*)&spec[1], gspec + spec_size); | |
4283 | gspec += next; | |
4284 | cur_data += spec->next; | |
4285 | } | |
4286 | break; | |
4287 | } | |
4288 | default: | |
4289 | ret = -TARGET_EINVAL; | |
dec0473d | 4290 | unlock_user(argptr, guest_data, 0); |
56e904ec AG |
4291 | goto out; |
4292 | } | |
4293 | unlock_user(argptr, guest_data, 0); | |
4294 | ||
49ca6f3e | 4295 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
56e904ec AG |
4296 | if (!is_error(ret)) { |
4297 | guest_data = arg + host_dm->data_start; | |
4298 | guest_data_size = host_dm->data_size - host_dm->data_start; | |
4299 | argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0); | |
4300 | switch (ie->host_cmd) { | |
4301 | case DM_REMOVE_ALL: | |
4302 | case DM_DEV_CREATE: | |
4303 | case DM_DEV_REMOVE: | |
4304 | case DM_DEV_RENAME: | |
4305 | case DM_DEV_SUSPEND: | |
4306 | case DM_DEV_STATUS: | |
4307 | case DM_TABLE_LOAD: | |
4308 | case DM_TABLE_CLEAR: | |
4309 | case DM_TARGET_MSG: | |
4310 | case DM_DEV_SET_GEOMETRY: | |
4311 | /* no return data */ | |
4312 | break; | |
4313 | case DM_LIST_DEVICES: | |
4314 | { | |
4315 | struct dm_name_list *nl = (void*)host_dm + host_dm->data_start; | |
4316 | uint32_t remaining_data = guest_data_size; | |
4317 | void *cur_data = argptr; | |
4318 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) }; | |
4319 | int nl_size = 12; /* can't use thunk_size due to alignment */ | |
4320 | ||
4321 | while (1) { | |
4322 | uint32_t next = nl->next; | |
4323 | if (next) { | |
4324 | nl->next = nl_size + (strlen(nl->name) + 1); | |
4325 | } | |
4326 | if (remaining_data < nl->next) { | |
4327 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
4328 | break; | |
4329 | } | |
4330 | thunk_convert(cur_data, nl, arg_type, THUNK_TARGET); | |
4331 | strcpy(cur_data + nl_size, nl->name); | |
4332 | cur_data += nl->next; | |
4333 | remaining_data -= nl->next; | |
4334 | if (!next) { | |
4335 | break; | |
4336 | } | |
4337 | nl = (void*)nl + next; | |
4338 | } | |
4339 | break; | |
4340 | } | |
4341 | case DM_DEV_WAIT: | |
4342 | case DM_TABLE_STATUS: | |
4343 | { | |
4344 | struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start; | |
4345 | void *cur_data = argptr; | |
4346 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) }; | |
4347 | int spec_size = thunk_type_size(arg_type, 0); | |
4348 | int i; | |
4349 | ||
4350 | for (i = 0; i < host_dm->target_count; i++) { | |
4351 | uint32_t next = spec->next; | |
4352 | int slen = strlen((char*)&spec[1]) + 1; | |
4353 | spec->next = (cur_data - argptr) + spec_size + slen; | |
4354 | if (guest_data_size < spec->next) { | |
4355 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
4356 | break; | |
4357 | } | |
4358 | thunk_convert(cur_data, spec, arg_type, THUNK_TARGET); | |
4359 | strcpy(cur_data + spec_size, (char*)&spec[1]); | |
4360 | cur_data = argptr + spec->next; | |
4361 | spec = (void*)host_dm + host_dm->data_start + next; | |
4362 | } | |
4363 | break; | |
4364 | } | |
4365 | case DM_TABLE_DEPS: | |
4366 | { | |
4367 | void *hdata = (void*)host_dm + host_dm->data_start; | |
4368 | int count = *(uint32_t*)hdata; | |
4369 | uint64_t *hdev = hdata + 8; | |
4370 | uint64_t *gdev = argptr + 8; | |
4371 | int i; | |
4372 | ||
4373 | *(uint32_t*)argptr = tswap32(count); | |
4374 | for (i = 0; i < count; i++) { | |
4375 | *gdev = tswap64(*hdev); | |
4376 | gdev++; | |
4377 | hdev++; | |
4378 | } | |
4379 | break; | |
4380 | } | |
4381 | case DM_LIST_VERSIONS: | |
4382 | { | |
4383 | struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start; | |
4384 | uint32_t remaining_data = guest_data_size; | |
4385 | void *cur_data = argptr; | |
4386 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) }; | |
4387 | int vers_size = thunk_type_size(arg_type, 0); | |
4388 | ||
4389 | while (1) { | |
4390 | uint32_t next = vers->next; | |
4391 | if (next) { | |
4392 | vers->next = vers_size + (strlen(vers->name) + 1); | |
4393 | } | |
4394 | if (remaining_data < vers->next) { | |
4395 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
4396 | break; | |
4397 | } | |
4398 | thunk_convert(cur_data, vers, arg_type, THUNK_TARGET); | |
4399 | strcpy(cur_data + vers_size, vers->name); | |
4400 | cur_data += vers->next; | |
4401 | remaining_data -= vers->next; | |
4402 | if (!next) { | |
4403 | break; | |
4404 | } | |
4405 | vers = (void*)vers + next; | |
4406 | } | |
4407 | break; | |
4408 | } | |
4409 | default: | |
dec0473d | 4410 | unlock_user(argptr, guest_data, 0); |
56e904ec AG |
4411 | ret = -TARGET_EINVAL; |
4412 | goto out; | |
4413 | } | |
4414 | unlock_user(argptr, guest_data, guest_data_size); | |
4415 | ||
4416 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
4417 | if (!argptr) { | |
4418 | ret = -TARGET_EFAULT; | |
4419 | goto out; | |
4420 | } | |
4421 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); | |
4422 | unlock_user(argptr, arg, target_size); | |
4423 | } | |
4424 | out: | |
ad11ad77 | 4425 | g_free(big_buf); |
56e904ec AG |
4426 | return ret; |
4427 | } | |
4428 | ||
a59b5e35 | 4429 | static abi_long do_ioctl_blkpg(const IOCTLEntry *ie, uint8_t *buf_temp, int fd, |
45c874eb | 4430 | int cmd, abi_long arg) |
a59b5e35 AG |
4431 | { |
4432 | void *argptr; | |
4433 | int target_size; | |
4434 | const argtype *arg_type = ie->arg_type; | |
4435 | const argtype part_arg_type[] = { MK_STRUCT(STRUCT_blkpg_partition) }; | |
4436 | abi_long ret; | |
4437 | ||
4438 | struct blkpg_ioctl_arg *host_blkpg = (void*)buf_temp; | |
4439 | struct blkpg_partition host_part; | |
4440 | ||
4441 | /* Read and convert blkpg */ | |
4442 | arg_type++; | |
4443 | target_size = thunk_type_size(arg_type, 0); | |
4444 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
4445 | if (!argptr) { | |
4446 | ret = -TARGET_EFAULT; | |
4447 | goto out; | |
4448 | } | |
4449 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
4450 | unlock_user(argptr, arg, 0); | |
4451 | ||
4452 | switch (host_blkpg->op) { | |
4453 | case BLKPG_ADD_PARTITION: | |
4454 | case BLKPG_DEL_PARTITION: | |
4455 | /* payload is struct blkpg_partition */ | |
4456 | break; | |
4457 | default: | |
4458 | /* Unknown opcode */ | |
4459 | ret = -TARGET_EINVAL; | |
4460 | goto out; | |
4461 | } | |
4462 | ||
4463 | /* Read and convert blkpg->data */ | |
4464 | arg = (abi_long)(uintptr_t)host_blkpg->data; | |
4465 | target_size = thunk_type_size(part_arg_type, 0); | |
4466 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
4467 | if (!argptr) { | |
4468 | ret = -TARGET_EFAULT; | |
4469 | goto out; | |
4470 | } | |
4471 | thunk_convert(&host_part, argptr, part_arg_type, THUNK_HOST); | |
4472 | unlock_user(argptr, arg, 0); | |
4473 | ||
4474 | /* Swizzle the data pointer to our local copy and call! */ | |
4475 | host_blkpg->data = &host_part; | |
49ca6f3e | 4476 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, host_blkpg)); |
a59b5e35 AG |
4477 | |
4478 | out: | |
4479 | return ret; | |
4480 | } | |
4481 | ||
7ff7b666 | 4482 | static abi_long do_ioctl_rt(const IOCTLEntry *ie, uint8_t *buf_temp, |
45c874eb | 4483 | int fd, int cmd, abi_long arg) |
7ff7b666 LV |
4484 | { |
4485 | const argtype *arg_type = ie->arg_type; | |
4486 | const StructEntry *se; | |
4487 | const argtype *field_types; | |
4488 | const int *dst_offsets, *src_offsets; | |
4489 | int target_size; | |
4490 | void *argptr; | |
4491 | abi_ulong *target_rt_dev_ptr; | |
4492 | unsigned long *host_rt_dev_ptr; | |
4493 | abi_long ret; | |
4494 | int i; | |
4495 | ||
4496 | assert(ie->access == IOC_W); | |
4497 | assert(*arg_type == TYPE_PTR); | |
4498 | arg_type++; | |
4499 | assert(*arg_type == TYPE_STRUCT); | |
4500 | target_size = thunk_type_size(arg_type, 0); | |
4501 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
4502 | if (!argptr) { | |
4503 | return -TARGET_EFAULT; | |
4504 | } | |
4505 | arg_type++; | |
4506 | assert(*arg_type == (int)STRUCT_rtentry); | |
4507 | se = struct_entries + *arg_type++; | |
4508 | assert(se->convert[0] == NULL); | |
4509 | /* convert struct here to be able to catch rt_dev string */ | |
4510 | field_types = se->field_types; | |
4511 | dst_offsets = se->field_offsets[THUNK_HOST]; | |
4512 | src_offsets = se->field_offsets[THUNK_TARGET]; | |
4513 | for (i = 0; i < se->nb_fields; i++) { | |
4514 | if (dst_offsets[i] == offsetof(struct rtentry, rt_dev)) { | |
4515 | assert(*field_types == TYPE_PTRVOID); | |
4516 | target_rt_dev_ptr = (abi_ulong *)(argptr + src_offsets[i]); | |
4517 | host_rt_dev_ptr = (unsigned long *)(buf_temp + dst_offsets[i]); | |
4518 | if (*target_rt_dev_ptr != 0) { | |
4519 | *host_rt_dev_ptr = (unsigned long)lock_user_string( | |
4520 | tswapal(*target_rt_dev_ptr)); | |
4521 | if (!*host_rt_dev_ptr) { | |
4522 | unlock_user(argptr, arg, 0); | |
4523 | return -TARGET_EFAULT; | |
4524 | } | |
4525 | } else { | |
4526 | *host_rt_dev_ptr = 0; | |
4527 | } | |
4528 | field_types++; | |
4529 | continue; | |
4530 | } | |
4531 | field_types = thunk_convert(buf_temp + dst_offsets[i], | |
4532 | argptr + src_offsets[i], | |
4533 | field_types, THUNK_HOST); | |
4534 | } | |
4535 | unlock_user(argptr, arg, 0); | |
4536 | ||
49ca6f3e | 4537 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
7ff7b666 LV |
4538 | if (*host_rt_dev_ptr != 0) { |
4539 | unlock_user((void *)*host_rt_dev_ptr, | |
4540 | *target_rt_dev_ptr, 0); | |
4541 | } | |
4542 | return ret; | |
4543 | } | |
4544 | ||
ca56f5b5 | 4545 | static abi_long do_ioctl_kdsigaccept(const IOCTLEntry *ie, uint8_t *buf_temp, |
45c874eb | 4546 | int fd, int cmd, abi_long arg) |
ca56f5b5 PB |
4547 | { |
4548 | int sig = target_to_host_signal(arg); | |
49ca6f3e | 4549 | return get_errno(safe_ioctl(fd, ie->host_cmd, sig)); |
ca56f5b5 PB |
4550 | } |
4551 | ||
2b74f621 AS |
4552 | #ifdef TIOCGPTPEER |
4553 | static abi_long do_ioctl_tiocgptpeer(const IOCTLEntry *ie, uint8_t *buf_temp, | |
4554 | int fd, int cmd, abi_long arg) | |
4555 | { | |
4556 | int flags = target_to_host_bitmask(arg, fcntl_flags_tbl); | |
4557 | return get_errno(safe_ioctl(fd, ie->host_cmd, flags)); | |
4558 | } | |
4559 | #endif | |
4560 | ||
9f106a75 | 4561 | static IOCTLEntry ioctl_entries[] = { |
001faf32 | 4562 | #define IOCTL(cmd, access, ...) \ |
d2ef05bb PM |
4563 | { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } }, |
4564 | #define IOCTL_SPECIAL(cmd, access, dofn, ...) \ | |
4565 | { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } }, | |
8cb762fe HD |
4566 | #define IOCTL_IGNORE(cmd) \ |
4567 | { TARGET_ ## cmd, 0, #cmd }, | |
31e31b8a FB |
4568 | #include "ioctls.h" |
4569 | { 0, 0, }, | |
4570 | }; | |
4571 | ||
53a5960a | 4572 | /* ??? Implement proper locking for ioctls. */ |
0da46a6e | 4573 | /* do_ioctl() Must return target values and target errnos. */ |
45c874eb | 4574 | static abi_long do_ioctl(int fd, int cmd, abi_long arg) |
31e31b8a FB |
4575 | { |
4576 | const IOCTLEntry *ie; | |
4577 | const argtype *arg_type; | |
992f48a0 | 4578 | abi_long ret; |
31e31b8a | 4579 | uint8_t buf_temp[MAX_STRUCT_SIZE]; |
53a5960a PB |
4580 | int target_size; |
4581 | void *argptr; | |
31e31b8a FB |
4582 | |
4583 | ie = ioctl_entries; | |
4584 | for(;;) { | |
4585 | if (ie->target_cmd == 0) { | |
32407103 | 4586 | gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd); |
0da46a6e | 4587 | return -TARGET_ENOSYS; |
31e31b8a FB |
4588 | } |
4589 | if (ie->target_cmd == cmd) | |
4590 | break; | |
4591 | ie++; | |
4592 | } | |
4593 | arg_type = ie->arg_type; | |
d2ef05bb PM |
4594 | if (ie->do_ioctl) { |
4595 | return ie->do_ioctl(ie, buf_temp, fd, cmd, arg); | |
8cb762fe HD |
4596 | } else if (!ie->host_cmd) { |
4597 | /* Some architectures define BSD ioctls in their headers | |
4598 | that are not implemented in Linux. */ | |
4599 | return -TARGET_ENOSYS; | |
d2ef05bb PM |
4600 | } |
4601 | ||
31e31b8a FB |
4602 | switch(arg_type[0]) { |
4603 | case TYPE_NULL: | |
4604 | /* no argument */ | |
49ca6f3e | 4605 | ret = get_errno(safe_ioctl(fd, ie->host_cmd)); |
31e31b8a FB |
4606 | break; |
4607 | case TYPE_PTRVOID: | |
4608 | case TYPE_INT: | |
49ca6f3e | 4609 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, arg)); |
31e31b8a FB |
4610 | break; |
4611 | case TYPE_PTR: | |
4612 | arg_type++; | |
53a5960a | 4613 | target_size = thunk_type_size(arg_type, 0); |
31e31b8a FB |
4614 | switch(ie->access) { |
4615 | case IOC_R: | |
49ca6f3e | 4616 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
31e31b8a | 4617 | if (!is_error(ret)) { |
579a97f7 FB |
4618 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); |
4619 | if (!argptr) | |
4620 | return -TARGET_EFAULT; | |
53a5960a PB |
4621 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
4622 | unlock_user(argptr, arg, target_size); | |
31e31b8a FB |
4623 | } |
4624 | break; | |
4625 | case IOC_W: | |
579a97f7 FB |
4626 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); |
4627 | if (!argptr) | |
4628 | return -TARGET_EFAULT; | |
53a5960a PB |
4629 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
4630 | unlock_user(argptr, arg, 0); | |
49ca6f3e | 4631 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
31e31b8a FB |
4632 | break; |
4633 | default: | |
4634 | case IOC_RW: | |
579a97f7 FB |
4635 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); |
4636 | if (!argptr) | |
4637 | return -TARGET_EFAULT; | |
53a5960a PB |
4638 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
4639 | unlock_user(argptr, arg, 0); | |
49ca6f3e | 4640 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
31e31b8a | 4641 | if (!is_error(ret)) { |
579a97f7 FB |
4642 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); |
4643 | if (!argptr) | |
4644 | return -TARGET_EFAULT; | |
53a5960a PB |
4645 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
4646 | unlock_user(argptr, arg, target_size); | |
31e31b8a FB |
4647 | } |
4648 | break; | |
4649 | } | |
4650 | break; | |
4651 | default: | |
32407103 JM |
4652 | gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", |
4653 | (long)cmd, arg_type[0]); | |
0da46a6e | 4654 | ret = -TARGET_ENOSYS; |
31e31b8a FB |
4655 | break; |
4656 | } | |
4657 | return ret; | |
4658 | } | |
4659 | ||
b39bc503 | 4660 | static const bitmask_transtbl iflag_tbl[] = { |
31e31b8a FB |
4661 | { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, |
4662 | { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, | |
4663 | { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, | |
4664 | { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, | |
4665 | { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, | |
4666 | { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, | |
4667 | { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, | |
4668 | { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, | |
4669 | { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, | |
4670 | { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, | |
4671 | { TARGET_IXON, TARGET_IXON, IXON, IXON }, | |
4672 | { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, | |
4673 | { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, | |
4674 | { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, | |
4675 | { 0, 0, 0, 0 } | |
4676 | }; | |
4677 | ||
b39bc503 | 4678 | static const bitmask_transtbl oflag_tbl[] = { |
31e31b8a FB |
4679 | { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, |
4680 | { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, | |
4681 | { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, | |
4682 | { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, | |
4683 | { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, | |
4684 | { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, | |
4685 | { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, | |
4686 | { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, | |
4687 | { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, | |
4688 | { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, | |
4689 | { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, | |
4690 | { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, | |
4691 | { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, | |
4692 | { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, | |
4693 | { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, | |
4694 | { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, | |
4695 | { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, | |
4696 | { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, | |
4697 | { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, | |
4698 | { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, | |
4699 | { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, | |
4700 | { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, | |
4701 | { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, | |
4702 | { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, | |
4703 | { 0, 0, 0, 0 } | |
4704 | }; | |
4705 | ||
b39bc503 | 4706 | static const bitmask_transtbl cflag_tbl[] = { |
31e31b8a FB |
4707 | { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, |
4708 | { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, | |
4709 | { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, | |
4710 | { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, | |
4711 | { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, | |
4712 | { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, | |
4713 | { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, | |
4714 | { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, | |
4715 | { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, | |
4716 | { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, | |
4717 | { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, | |
4718 | { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, | |
4719 | { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, | |
4720 | { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, | |
4721 | { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, | |
4722 | { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, | |
4723 | { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, | |
4724 | { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, | |
4725 | { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, | |
4726 | { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, | |
4727 | { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, | |
4728 | { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, | |
4729 | { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, | |
4730 | { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, | |
4731 | { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, | |
4732 | { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, | |
4733 | { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, | |
4734 | { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, | |
4735 | { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, | |
4736 | { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, | |
4737 | { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, | |
4738 | { 0, 0, 0, 0 } | |
4739 | }; | |
4740 | ||
b39bc503 | 4741 | static const bitmask_transtbl lflag_tbl[] = { |
31e31b8a FB |
4742 | { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, |
4743 | { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, | |
4744 | { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, | |
4745 | { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, | |
4746 | { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, | |
4747 | { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, | |
4748 | { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, | |
4749 | { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, | |
4750 | { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, | |
4751 | { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, | |
4752 | { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, | |
4753 | { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, | |
4754 | { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, | |
4755 | { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, | |
4756 | { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, | |
4757 | { 0, 0, 0, 0 } | |
4758 | }; | |
4759 | ||
4760 | static void target_to_host_termios (void *dst, const void *src) | |
4761 | { | |
4762 | struct host_termios *host = dst; | |
4763 | const struct target_termios *target = src; | |
3b46e624 | 4764 | |
5fafdf24 | 4765 | host->c_iflag = |
31e31b8a | 4766 | target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); |
5fafdf24 | 4767 | host->c_oflag = |
31e31b8a | 4768 | target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); |
5fafdf24 | 4769 | host->c_cflag = |
31e31b8a | 4770 | target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); |
5fafdf24 | 4771 | host->c_lflag = |
31e31b8a FB |
4772 | target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); |
4773 | host->c_line = target->c_line; | |
3b46e624 | 4774 | |
44607123 | 4775 | memset(host->c_cc, 0, sizeof(host->c_cc)); |
5fafdf24 TS |
4776 | host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; |
4777 | host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; | |
3b46e624 | 4778 | host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; |
5fafdf24 | 4779 | host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; |
3b46e624 | 4780 | host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; |
5fafdf24 | 4781 | host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; |
3b46e624 | 4782 | host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; |
5fafdf24 | 4783 | host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; |
3b46e624 | 4784 | host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; |
5fafdf24 TS |
4785 | host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; |
4786 | host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; | |
3b46e624 TS |
4787 | host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; |
4788 | host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; | |
4789 | host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; | |
4790 | host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; | |
4791 | host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; | |
5fafdf24 | 4792 | host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; |
31e31b8a | 4793 | } |
3b46e624 | 4794 | |
31e31b8a FB |
4795 | static void host_to_target_termios (void *dst, const void *src) |
4796 | { | |
4797 | struct target_termios *target = dst; | |
4798 | const struct host_termios *host = src; | |
4799 | ||
5fafdf24 | 4800 | target->c_iflag = |
31e31b8a | 4801 | tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); |
5fafdf24 | 4802 | target->c_oflag = |
31e31b8a | 4803 | tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); |
5fafdf24 | 4804 | target->c_cflag = |
31e31b8a | 4805 | tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); |
5fafdf24 | 4806 | target->c_lflag = |
31e31b8a FB |
4807 | tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); |
4808 | target->c_line = host->c_line; | |
3b46e624 | 4809 | |
44607123 | 4810 | memset(target->c_cc, 0, sizeof(target->c_cc)); |
31e31b8a FB |
4811 | target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; |
4812 | target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; | |
4813 | target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; | |
4814 | target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; | |
4815 | target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; | |
4816 | target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; | |
4817 | target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; | |
4818 | target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; | |
4819 | target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; | |
4820 | target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; | |
4821 | target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; | |
4822 | target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; | |
4823 | target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; | |
4824 | target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; | |
4825 | target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; | |
4826 | target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; | |
4827 | target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; | |
4828 | } | |
4829 | ||
8e853dc7 | 4830 | static const StructEntry struct_termios_def = { |
31e31b8a FB |
4831 | .convert = { host_to_target_termios, target_to_host_termios }, |
4832 | .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, | |
4833 | .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, | |
4834 | }; | |
4835 | ||
5286db75 | 4836 | static bitmask_transtbl mmap_flags_tbl[] = { |
541e1690 HD |
4837 | { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED }, |
4838 | { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE }, | |
4839 | { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED }, | |
4840 | { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, | |
4841 | MAP_ANONYMOUS, MAP_ANONYMOUS }, | |
4842 | { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, | |
4843 | MAP_GROWSDOWN, MAP_GROWSDOWN }, | |
4844 | { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, | |
4845 | MAP_DENYWRITE, MAP_DENYWRITE }, | |
4846 | { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, | |
4847 | MAP_EXECUTABLE, MAP_EXECUTABLE }, | |
4848 | { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED }, | |
4849 | { TARGET_MAP_NORESERVE, TARGET_MAP_NORESERVE, | |
4850 | MAP_NORESERVE, MAP_NORESERVE }, | |
4851 | { TARGET_MAP_HUGETLB, TARGET_MAP_HUGETLB, MAP_HUGETLB, MAP_HUGETLB }, | |
4852 | /* MAP_STACK had been ignored by the kernel for quite some time. | |
4853 | Recognize it for the target insofar as we do not want to pass | |
4854 | it through to the host. */ | |
4855 | { TARGET_MAP_STACK, TARGET_MAP_STACK, 0, 0 }, | |
4856 | { 0, 0, 0, 0 } | |
5286db75 FB |
4857 | }; |
4858 | ||
2ab83ea7 | 4859 | #if defined(TARGET_I386) |
6dbad63e FB |
4860 | |
4861 | /* NOTE: there is really one LDT for all the threads */ | |
b1d8e52e | 4862 | static uint8_t *ldt_table; |
6dbad63e | 4863 | |
03acab66 | 4864 | static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount) |
6dbad63e FB |
4865 | { |
4866 | int size; | |
53a5960a | 4867 | void *p; |
6dbad63e FB |
4868 | |
4869 | if (!ldt_table) | |
4870 | return 0; | |
4871 | size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; | |
4872 | if (size > bytecount) | |
4873 | size = bytecount; | |
579a97f7 FB |
4874 | p = lock_user(VERIFY_WRITE, ptr, size, 0); |
4875 | if (!p) | |
03acab66 | 4876 | return -TARGET_EFAULT; |
579a97f7 | 4877 | /* ??? Should this by byteswapped? */ |
53a5960a PB |
4878 | memcpy(p, ldt_table, size); |
4879 | unlock_user(p, ptr, size); | |
6dbad63e FB |
4880 | return size; |
4881 | } | |
4882 | ||
4883 | /* XXX: add locking support */ | |
03acab66 FB |
4884 | static abi_long write_ldt(CPUX86State *env, |
4885 | abi_ulong ptr, unsigned long bytecount, int oldmode) | |
6dbad63e FB |
4886 | { |
4887 | struct target_modify_ldt_ldt_s ldt_info; | |
53a5960a | 4888 | struct target_modify_ldt_ldt_s *target_ldt_info; |
6dbad63e | 4889 | int seg_32bit, contents, read_exec_only, limit_in_pages; |
8d18e893 | 4890 | int seg_not_present, useable, lm; |
6dbad63e FB |
4891 | uint32_t *lp, entry_1, entry_2; |
4892 | ||
4893 | if (bytecount != sizeof(ldt_info)) | |
03acab66 | 4894 | return -TARGET_EINVAL; |
579a97f7 | 4895 | if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1)) |
03acab66 | 4896 | return -TARGET_EFAULT; |
53a5960a | 4897 | ldt_info.entry_number = tswap32(target_ldt_info->entry_number); |
cbb21eed | 4898 | ldt_info.base_addr = tswapal(target_ldt_info->base_addr); |
53a5960a PB |
4899 | ldt_info.limit = tswap32(target_ldt_info->limit); |
4900 | ldt_info.flags = tswap32(target_ldt_info->flags); | |
4901 | unlock_user_struct(target_ldt_info, ptr, 0); | |
3b46e624 | 4902 | |
6dbad63e | 4903 | if (ldt_info.entry_number >= TARGET_LDT_ENTRIES) |
03acab66 | 4904 | return -TARGET_EINVAL; |
6dbad63e FB |
4905 | seg_32bit = ldt_info.flags & 1; |
4906 | contents = (ldt_info.flags >> 1) & 3; | |
4907 | read_exec_only = (ldt_info.flags >> 3) & 1; | |
4908 | limit_in_pages = (ldt_info.flags >> 4) & 1; | |
4909 | seg_not_present = (ldt_info.flags >> 5) & 1; | |
4910 | useable = (ldt_info.flags >> 6) & 1; | |
8d18e893 FB |
4911 | #ifdef TARGET_ABI32 |
4912 | lm = 0; | |
4913 | #else | |
4914 | lm = (ldt_info.flags >> 7) & 1; | |
4915 | #endif | |
6dbad63e FB |
4916 | if (contents == 3) { |
4917 | if (oldmode) | |
03acab66 | 4918 | return -TARGET_EINVAL; |
6dbad63e | 4919 | if (seg_not_present == 0) |
03acab66 | 4920 | return -TARGET_EINVAL; |
6dbad63e FB |
4921 | } |
4922 | /* allocate the LDT */ | |
4923 | if (!ldt_table) { | |
e441570f AZ |
4924 | env->ldt.base = target_mmap(0, |
4925 | TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE, | |
4926 | PROT_READ|PROT_WRITE, | |
4927 | MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); | |
4928 | if (env->ldt.base == -1) | |
03acab66 | 4929 | return -TARGET_ENOMEM; |
e441570f AZ |
4930 | memset(g2h(env->ldt.base), 0, |
4931 | TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); | |
6dbad63e | 4932 | env->ldt.limit = 0xffff; |
e441570f | 4933 | ldt_table = g2h(env->ldt.base); |
6dbad63e FB |
4934 | } |
4935 | ||
4936 | /* NOTE: same code as Linux kernel */ | |
4937 | /* Allow LDTs to be cleared by the user. */ | |
4938 | if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { | |
4939 | if (oldmode || | |
4940 | (contents == 0 && | |
4941 | read_exec_only == 1 && | |
4942 | seg_32bit == 0 && | |
4943 | limit_in_pages == 0 && | |
4944 | seg_not_present == 1 && | |
4945 | useable == 0 )) { | |
4946 | entry_1 = 0; | |
4947 | entry_2 = 0; | |
4948 | goto install; | |
4949 | } | |
4950 | } | |
3b46e624 | 4951 | |
6dbad63e FB |
4952 | entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | |
4953 | (ldt_info.limit & 0x0ffff); | |
4954 | entry_2 = (ldt_info.base_addr & 0xff000000) | | |
4955 | ((ldt_info.base_addr & 0x00ff0000) >> 16) | | |
4956 | (ldt_info.limit & 0xf0000) | | |
4957 | ((read_exec_only ^ 1) << 9) | | |
4958 | (contents << 10) | | |
4959 | ((seg_not_present ^ 1) << 15) | | |
4960 | (seg_32bit << 22) | | |
4961 | (limit_in_pages << 23) | | |
8d18e893 | 4962 | (lm << 21) | |
6dbad63e FB |
4963 | 0x7000; |
4964 | if (!oldmode) | |
4965 | entry_2 |= (useable << 20); | |
14ae3ba7 | 4966 | |
6dbad63e FB |
4967 | /* Install the new entry ... */ |
4968 | install: | |
4969 | lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3)); | |
4970 | lp[0] = tswap32(entry_1); | |
4971 | lp[1] = tswap32(entry_2); | |
4972 | return 0; | |
4973 | } | |
4974 | ||
4975 | /* specific and weird i386 syscalls */ | |
8fcd3692 BS |
4976 | static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr, |
4977 | unsigned long bytecount) | |
6dbad63e | 4978 | { |
03acab66 | 4979 | abi_long ret; |
3b46e624 | 4980 | |
6dbad63e FB |
4981 | switch (func) { |
4982 | case 0: | |
4983 | ret = read_ldt(ptr, bytecount); | |
4984 | break; | |
4985 | case 1: | |
4986 | ret = write_ldt(env, ptr, bytecount, 1); | |
4987 | break; | |
4988 | case 0x11: | |
4989 | ret = write_ldt(env, ptr, bytecount, 0); | |
4990 | break; | |
03acab66 FB |
4991 | default: |
4992 | ret = -TARGET_ENOSYS; | |
4993 | break; | |
6dbad63e FB |
4994 | } |
4995 | return ret; | |
4996 | } | |
1b6b029e | 4997 | |
4583f589 | 4998 | #if defined(TARGET_I386) && defined(TARGET_ABI32) |
bc22eb44 | 4999 | abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr) |
8d18e893 FB |
5000 | { |
5001 | uint64_t *gdt_table = g2h(env->gdt.base); | |
5002 | struct target_modify_ldt_ldt_s ldt_info; | |
5003 | struct target_modify_ldt_ldt_s *target_ldt_info; | |
5004 | int seg_32bit, contents, read_exec_only, limit_in_pages; | |
5005 | int seg_not_present, useable, lm; | |
5006 | uint32_t *lp, entry_1, entry_2; | |
5007 | int i; | |
5008 | ||
5009 | lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); | |
5010 | if (!target_ldt_info) | |
5011 | return -TARGET_EFAULT; | |
5012 | ldt_info.entry_number = tswap32(target_ldt_info->entry_number); | |
cbb21eed | 5013 | ldt_info.base_addr = tswapal(target_ldt_info->base_addr); |
8d18e893 FB |
5014 | ldt_info.limit = tswap32(target_ldt_info->limit); |
5015 | ldt_info.flags = tswap32(target_ldt_info->flags); | |
5016 | if (ldt_info.entry_number == -1) { | |
5017 | for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) { | |
5018 | if (gdt_table[i] == 0) { | |
5019 | ldt_info.entry_number = i; | |
5020 | target_ldt_info->entry_number = tswap32(i); | |
5021 | break; | |
5022 | } | |
5023 | } | |
5024 | } | |
5025 | unlock_user_struct(target_ldt_info, ptr, 1); | |
5026 | ||
5027 | if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN || | |
5028 | ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX) | |
5029 | return -TARGET_EINVAL; | |
5030 | seg_32bit = ldt_info.flags & 1; | |
5031 | contents = (ldt_info.flags >> 1) & 3; | |
5032 | read_exec_only = (ldt_info.flags >> 3) & 1; | |
5033 | limit_in_pages = (ldt_info.flags >> 4) & 1; | |
5034 | seg_not_present = (ldt_info.flags >> 5) & 1; | |
5035 | useable = (ldt_info.flags >> 6) & 1; | |
5036 | #ifdef TARGET_ABI32 | |
5037 | lm = 0; | |
5038 | #else | |
5039 | lm = (ldt_info.flags >> 7) & 1; | |
5040 | #endif | |
5041 | ||
5042 | if (contents == 3) { | |
5043 | if (seg_not_present == 0) | |
5044 | return -TARGET_EINVAL; | |
5045 | } | |
5046 | ||
5047 | /* NOTE: same code as Linux kernel */ | |
5048 | /* Allow LDTs to be cleared by the user. */ | |
5049 | if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { | |
5050 | if ((contents == 0 && | |
5051 | read_exec_only == 1 && | |
5052 | seg_32bit == 0 && | |
5053 | limit_in_pages == 0 && | |
5054 | seg_not_present == 1 && | |
5055 | useable == 0 )) { | |
5056 | entry_1 = 0; | |
5057 | entry_2 = 0; | |
5058 | goto install; | |
5059 | } | |
5060 | } | |
5061 | ||
5062 | entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | | |
5063 | (ldt_info.limit & 0x0ffff); | |
5064 | entry_2 = (ldt_info.base_addr & 0xff000000) | | |
5065 | ((ldt_info.base_addr & 0x00ff0000) >> 16) | | |
5066 | (ldt_info.limit & 0xf0000) | | |
5067 | ((read_exec_only ^ 1) << 9) | | |
5068 | (contents << 10) | | |
5069 | ((seg_not_present ^ 1) << 15) | | |
5070 | (seg_32bit << 22) | | |
5071 | (limit_in_pages << 23) | | |
5072 | (useable << 20) | | |
5073 | (lm << 21) | | |
5074 | 0x7000; | |
5075 | ||
5076 | /* Install the new entry ... */ | |
5077 | install: | |
5078 | lp = (uint32_t *)(gdt_table + ldt_info.entry_number); | |
5079 | lp[0] = tswap32(entry_1); | |
5080 | lp[1] = tswap32(entry_2); | |
5081 | return 0; | |
5082 | } | |
5083 | ||
8fcd3692 | 5084 | static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr) |
8d18e893 FB |
5085 | { |
5086 | struct target_modify_ldt_ldt_s *target_ldt_info; | |
5087 | uint64_t *gdt_table = g2h(env->gdt.base); | |
5088 | uint32_t base_addr, limit, flags; | |
5089 | int seg_32bit, contents, read_exec_only, limit_in_pages, idx; | |
5090 | int seg_not_present, useable, lm; | |
5091 | uint32_t *lp, entry_1, entry_2; | |
5092 | ||
5093 | lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); | |
5094 | if (!target_ldt_info) | |
5095 | return -TARGET_EFAULT; | |
5096 | idx = tswap32(target_ldt_info->entry_number); | |
5097 | if (idx < TARGET_GDT_ENTRY_TLS_MIN || | |
5098 | idx > TARGET_GDT_ENTRY_TLS_MAX) { | |
5099 | unlock_user_struct(target_ldt_info, ptr, 1); | |
5100 | return -TARGET_EINVAL; | |
5101 | } | |
5102 | lp = (uint32_t *)(gdt_table + idx); | |
5103 | entry_1 = tswap32(lp[0]); | |
5104 | entry_2 = tswap32(lp[1]); | |
5105 | ||
5106 | read_exec_only = ((entry_2 >> 9) & 1) ^ 1; | |
5107 | contents = (entry_2 >> 10) & 3; | |
5108 | seg_not_present = ((entry_2 >> 15) & 1) ^ 1; | |
5109 | seg_32bit = (entry_2 >> 22) & 1; | |
5110 | limit_in_pages = (entry_2 >> 23) & 1; | |
5111 | useable = (entry_2 >> 20) & 1; | |
5112 | #ifdef TARGET_ABI32 | |
5113 | lm = 0; | |
5114 | #else | |
5115 | lm = (entry_2 >> 21) & 1; | |
5116 | #endif | |
5117 | flags = (seg_32bit << 0) | (contents << 1) | | |
5118 | (read_exec_only << 3) | (limit_in_pages << 4) | | |
5119 | (seg_not_present << 5) | (useable << 6) | (lm << 7); | |
5120 | limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000); | |
5121 | base_addr = (entry_1 >> 16) | | |
5122 | (entry_2 & 0xff000000) | | |
5123 | ((entry_2 & 0xff) << 16); | |
cbb21eed | 5124 | target_ldt_info->base_addr = tswapal(base_addr); |
8d18e893 FB |
5125 | target_ldt_info->limit = tswap32(limit); |
5126 | target_ldt_info->flags = tswap32(flags); | |
5127 | unlock_user_struct(target_ldt_info, ptr, 1); | |
5128 | return 0; | |
5129 | } | |
4583f589 | 5130 | #endif /* TARGET_I386 && TARGET_ABI32 */ |
8d18e893 | 5131 | |
d2fd1af7 | 5132 | #ifndef TARGET_ABI32 |
2667e71c | 5133 | abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr) |
d2fd1af7 | 5134 | { |
1add8698 | 5135 | abi_long ret = 0; |
d2fd1af7 FB |
5136 | abi_ulong val; |
5137 | int idx; | |
1add8698 | 5138 | |
d2fd1af7 FB |
5139 | switch(code) { |
5140 | case TARGET_ARCH_SET_GS: | |
5141 | case TARGET_ARCH_SET_FS: | |
5142 | if (code == TARGET_ARCH_SET_GS) | |
5143 | idx = R_GS; | |
5144 | else | |
5145 | idx = R_FS; | |
5146 | cpu_x86_load_seg(env, idx, 0); | |
5147 | env->segs[idx].base = addr; | |
5148 | break; | |
5149 | case TARGET_ARCH_GET_GS: | |
5150 | case TARGET_ARCH_GET_FS: | |
5151 | if (code == TARGET_ARCH_GET_GS) | |
5152 | idx = R_GS; | |
5153 | else | |
5154 | idx = R_FS; | |
5155 | val = env->segs[idx].base; | |
5156 | if (put_user(val, addr, abi_ulong)) | |
1add8698 | 5157 | ret = -TARGET_EFAULT; |
d2fd1af7 FB |
5158 | break; |
5159 | default: | |
5160 | ret = -TARGET_EINVAL; | |
5161 | break; | |
5162 | } | |
1add8698 | 5163 | return ret; |
d2fd1af7 FB |
5164 | } |
5165 | #endif | |
5166 | ||
2ab83ea7 FB |
5167 | #endif /* defined(TARGET_I386) */ |
5168 | ||
05098a93 | 5169 | #define NEW_STACK_SIZE 0x40000 |
d865bab5 | 5170 | |
d865bab5 PB |
5171 | |
5172 | static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER; | |
5173 | typedef struct { | |
9349b4f9 | 5174 | CPUArchState *env; |
d865bab5 PB |
5175 | pthread_mutex_t mutex; |
5176 | pthread_cond_t cond; | |
5177 | pthread_t thread; | |
5178 | uint32_t tid; | |
5179 | abi_ulong child_tidptr; | |
5180 | abi_ulong parent_tidptr; | |
5181 | sigset_t sigmask; | |
5182 | } new_thread_info; | |
5183 | ||
5184 | static void *clone_func(void *arg) | |
5185 | { | |
5186 | new_thread_info *info = arg; | |
9349b4f9 | 5187 | CPUArchState *env; |
0d34282f | 5188 | CPUState *cpu; |
edf8e2af | 5189 | TaskState *ts; |
d865bab5 | 5190 | |
70903763 | 5191 | rcu_register_thread(); |
3468b59e | 5192 | tcg_register_thread(); |
d865bab5 | 5193 | env = info->env; |
0d34282f | 5194 | cpu = ENV_GET_CPU(env); |
a2247f8e | 5195 | thread_cpu = cpu; |
0429a971 | 5196 | ts = (TaskState *)cpu->opaque; |
d865bab5 | 5197 | info->tid = gettid(); |
edf8e2af | 5198 | task_settid(ts); |
d865bab5 PB |
5199 | if (info->child_tidptr) |
5200 | put_user_u32(info->tid, info->child_tidptr); | |
5201 | if (info->parent_tidptr) | |
5202 | put_user_u32(info->tid, info->parent_tidptr); | |
5203 | /* Enable signals. */ | |
5204 | sigprocmask(SIG_SETMASK, &info->sigmask, NULL); | |
5205 | /* Signal to the parent that we're ready. */ | |
5206 | pthread_mutex_lock(&info->mutex); | |
5207 | pthread_cond_broadcast(&info->cond); | |
5208 | pthread_mutex_unlock(&info->mutex); | |
a4dd3d51 | 5209 | /* Wait until the parent has finished initializing the tls state. */ |
d865bab5 PB |
5210 | pthread_mutex_lock(&clone_lock); |
5211 | pthread_mutex_unlock(&clone_lock); | |
5212 | cpu_loop(env); | |
5213 | /* never exits */ | |
5214 | return NULL; | |
5215 | } | |
1b6b029e | 5216 | |
0da46a6e TS |
5217 | /* do_fork() Must return host values and target errnos (unlike most |
5218 | do_*() functions). */ | |
9349b4f9 | 5219 | static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp, |
d865bab5 PB |
5220 | abi_ulong parent_tidptr, target_ulong newtls, |
5221 | abi_ulong child_tidptr) | |
1b6b029e | 5222 | { |
0429a971 | 5223 | CPUState *cpu = ENV_GET_CPU(env); |
1b6b029e | 5224 | int ret; |
5cd4393b | 5225 | TaskState *ts; |
0429a971 | 5226 | CPUState *new_cpu; |
9349b4f9 | 5227 | CPUArchState *new_env; |
d865bab5 | 5228 | sigset_t sigmask; |
3b46e624 | 5229 | |
5ea2fc84 PM |
5230 | flags &= ~CLONE_IGNORED_FLAGS; |
5231 | ||
436d124b AZ |
5232 | /* Emulate vfork() with fork() */ |
5233 | if (flags & CLONE_VFORK) | |
5234 | flags &= ~(CLONE_VFORK | CLONE_VM); | |
5235 | ||
1b6b029e | 5236 | if (flags & CLONE_VM) { |
0429a971 | 5237 | TaskState *parent_ts = (TaskState *)cpu->opaque; |
d865bab5 PB |
5238 | new_thread_info info; |
5239 | pthread_attr_t attr; | |
24cb36a6 | 5240 | |
5ea2fc84 PM |
5241 | if (((flags & CLONE_THREAD_FLAGS) != CLONE_THREAD_FLAGS) || |
5242 | (flags & CLONE_INVALID_THREAD_FLAGS)) { | |
5243 | return -TARGET_EINVAL; | |
5244 | } | |
5245 | ||
c78d65e8 | 5246 | ts = g_new0(TaskState, 1); |
624f7979 | 5247 | init_task_state(ts); |
73a988d9 MF |
5248 | |
5249 | /* Grab a mutex so that thread setup appears atomic. */ | |
5250 | pthread_mutex_lock(&clone_lock); | |
5251 | ||
1b6b029e | 5252 | /* we create a new CPU instance. */ |
c5be9f08 | 5253 | new_env = cpu_copy(env); |
6e68e076 PB |
5254 | /* Init regs that differ from the parent. */ |
5255 | cpu_clone_regs(new_env, newsp); | |
0429a971 AF |
5256 | new_cpu = ENV_GET_CPU(new_env); |
5257 | new_cpu->opaque = ts; | |
edf8e2af MW |
5258 | ts->bprm = parent_ts->bprm; |
5259 | ts->info = parent_ts->info; | |
3d3efba0 | 5260 | ts->signal_mask = parent_ts->signal_mask; |
d865bab5 | 5261 | |
7cfbd386 | 5262 | if (flags & CLONE_CHILD_CLEARTID) { |
c2764719 PB |
5263 | ts->child_tidptr = child_tidptr; |
5264 | } | |
5265 | ||
7cfbd386 | 5266 | if (flags & CLONE_SETTLS) { |
d865bab5 | 5267 | cpu_set_tls (new_env, newtls); |
7cfbd386 | 5268 | } |
d865bab5 | 5269 | |
d865bab5 PB |
5270 | memset(&info, 0, sizeof(info)); |
5271 | pthread_mutex_init(&info.mutex, NULL); | |
5272 | pthread_mutex_lock(&info.mutex); | |
5273 | pthread_cond_init(&info.cond, NULL); | |
5274 | info.env = new_env; | |
7cfbd386 | 5275 | if (flags & CLONE_CHILD_SETTID) { |
d865bab5 | 5276 | info.child_tidptr = child_tidptr; |
7cfbd386 PM |
5277 | } |
5278 | if (flags & CLONE_PARENT_SETTID) { | |
d865bab5 | 5279 | info.parent_tidptr = parent_tidptr; |
7cfbd386 | 5280 | } |
d865bab5 PB |
5281 | |
5282 | ret = pthread_attr_init(&attr); | |
48e15fc2 NF |
5283 | ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE); |
5284 | ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); | |
d865bab5 PB |
5285 | /* It is not safe to deliver signals until the child has finished |
5286 | initializing, so temporarily block all signals. */ | |
5287 | sigfillset(&sigmask); | |
5288 | sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask); | |
5289 | ||
b67cb68b AB |
5290 | /* If this is our first additional thread, we need to ensure we |
5291 | * generate code for parallel execution and flush old translations. | |
5292 | */ | |
5293 | if (!parallel_cpus) { | |
5294 | parallel_cpus = true; | |
5295 | tb_flush(cpu); | |
5296 | } | |
5297 | ||
d865bab5 | 5298 | ret = pthread_create(&info.thread, &attr, clone_func, &info); |
c2764719 | 5299 | /* TODO: Free new CPU state if thread creation failed. */ |
d865bab5 PB |
5300 | |
5301 | sigprocmask(SIG_SETMASK, &info.sigmask, NULL); | |
5302 | pthread_attr_destroy(&attr); | |
5303 | if (ret == 0) { | |
5304 | /* Wait for the child to initialize. */ | |
5305 | pthread_cond_wait(&info.cond, &info.mutex); | |
5306 | ret = info.tid; | |
d865bab5 PB |
5307 | } else { |
5308 | ret = -1; | |
5309 | } | |
5310 | pthread_mutex_unlock(&info.mutex); | |
5311 | pthread_cond_destroy(&info.cond); | |
5312 | pthread_mutex_destroy(&info.mutex); | |
5313 | pthread_mutex_unlock(&clone_lock); | |
1b6b029e FB |
5314 | } else { |
5315 | /* if no CLONE_VM, we consider it is a fork */ | |
5ea2fc84 PM |
5316 | if (flags & CLONE_INVALID_FORK_FLAGS) { |
5317 | return -TARGET_EINVAL; | |
5318 | } | |
5319 | ||
5320 | /* We can't support custom termination signals */ | |
5321 | if ((flags & CSIGNAL) != TARGET_SIGCHLD) { | |
93b4eff8 TB |
5322 | return -TARGET_EINVAL; |
5323 | } | |
7d92d34e TB |
5324 | |
5325 | if (block_signals()) { | |
5326 | return -TARGET_ERESTARTSYS; | |
5327 | } | |
5328 | ||
d865bab5 | 5329 | fork_start(); |
1b6b029e | 5330 | ret = fork(); |
d865bab5 | 5331 | if (ret == 0) { |
2b1319c8 | 5332 | /* Child Process. */ |
d865bab5 PB |
5333 | cpu_clone_regs(env, newsp); |
5334 | fork_end(1); | |
2b1319c8 AJ |
5335 | /* There is a race condition here. The parent process could |
5336 | theoretically read the TID in the child process before the child | |
5337 | tid is set. This would require using either ptrace | |
5338 | (not implemented) or having *_tidptr to point at a shared memory | |
5339 | mapping. We can't repeat the spinlock hack used above because | |
5340 | the child process gets its own copy of the lock. */ | |
d865bab5 PB |
5341 | if (flags & CLONE_CHILD_SETTID) |
5342 | put_user_u32(gettid(), child_tidptr); | |
5343 | if (flags & CLONE_PARENT_SETTID) | |
5344 | put_user_u32(gettid(), parent_tidptr); | |
0429a971 | 5345 | ts = (TaskState *)cpu->opaque; |
d865bab5 PB |
5346 | if (flags & CLONE_SETTLS) |
5347 | cpu_set_tls (env, newtls); | |
c2764719 PB |
5348 | if (flags & CLONE_CHILD_CLEARTID) |
5349 | ts->child_tidptr = child_tidptr; | |
d865bab5 PB |
5350 | } else { |
5351 | fork_end(0); | |
5352 | } | |
1b6b029e FB |
5353 | } |
5354 | return ret; | |
5355 | } | |
5356 | ||
5f106811 APR |
5357 | /* warning : doesn't handle linux specific flags... */ |
5358 | static int target_to_host_fcntl_cmd(int cmd) | |
5359 | { | |
4a545761 SB |
5360 | int ret; |
5361 | ||
5f106811 | 5362 | switch(cmd) { |
4a545761 SB |
5363 | case TARGET_F_DUPFD: |
5364 | case TARGET_F_GETFD: | |
5365 | case TARGET_F_SETFD: | |
5366 | case TARGET_F_GETFL: | |
5367 | case TARGET_F_SETFL: | |
5368 | ret = cmd; | |
5369 | break; | |
5370 | case TARGET_F_GETLK: | |
5371 | ret = F_GETLK64; | |
5372 | break; | |
5373 | case TARGET_F_SETLK: | |
5374 | ret = F_SETLK64; | |
5375 | break; | |
5376 | case TARGET_F_SETLKW: | |
5377 | ret = F_SETLKW64; | |
5378 | break; | |
5379 | case TARGET_F_GETOWN: | |
5380 | ret = F_GETOWN; | |
5381 | break; | |
5382 | case TARGET_F_SETOWN: | |
5383 | ret = F_SETOWN; | |
5384 | break; | |
5385 | case TARGET_F_GETSIG: | |
5386 | ret = F_GETSIG; | |
5387 | break; | |
5388 | case TARGET_F_SETSIG: | |
5389 | ret = F_SETSIG; | |
5390 | break; | |
5f106811 | 5391 | #if TARGET_ABI_BITS == 32 |
4a545761 SB |
5392 | case TARGET_F_GETLK64: |
5393 | ret = F_GETLK64; | |
5394 | break; | |
5395 | case TARGET_F_SETLK64: | |
5396 | ret = F_SETLK64; | |
5397 | break; | |
5398 | case TARGET_F_SETLKW64: | |
5399 | ret = F_SETLKW64; | |
5400 | break; | |
5f106811 | 5401 | #endif |
4a545761 SB |
5402 | case TARGET_F_SETLEASE: |
5403 | ret = F_SETLEASE; | |
5404 | break; | |
5405 | case TARGET_F_GETLEASE: | |
5406 | ret = F_GETLEASE; | |
5407 | break; | |
fbd5de9b | 5408 | #ifdef F_DUPFD_CLOEXEC |
4a545761 SB |
5409 | case TARGET_F_DUPFD_CLOEXEC: |
5410 | ret = F_DUPFD_CLOEXEC; | |
5411 | break; | |
fbd5de9b | 5412 | #endif |
4a545761 SB |
5413 | case TARGET_F_NOTIFY: |
5414 | ret = F_NOTIFY; | |
5415 | break; | |
8d5d3004 | 5416 | #ifdef F_GETOWN_EX |
4a545761 SB |
5417 | case TARGET_F_GETOWN_EX: |
5418 | ret = F_GETOWN_EX; | |
5419 | break; | |
8d5d3004 AS |
5420 | #endif |
5421 | #ifdef F_SETOWN_EX | |
4a545761 SB |
5422 | case TARGET_F_SETOWN_EX: |
5423 | ret = F_SETOWN_EX; | |
5424 | break; | |
8d5d3004 | 5425 | #endif |
ddf31aa8 | 5426 | #ifdef F_SETPIPE_SZ |
4a545761 SB |
5427 | case TARGET_F_SETPIPE_SZ: |
5428 | ret = F_SETPIPE_SZ; | |
5429 | break; | |
5430 | case TARGET_F_GETPIPE_SZ: | |
5431 | ret = F_GETPIPE_SZ; | |
5432 | break; | |
ddf31aa8 | 5433 | #endif |
4a545761 SB |
5434 | default: |
5435 | ret = -TARGET_EINVAL; | |
5436 | break; | |
5437 | } | |
5438 | ||
5439 | #if defined(__powerpc64__) | |
5440 | /* On PPC64, glibc headers has the F_*LK* defined to 12, 13 and 14 and | |
5441 | * is not supported by kernel. The glibc fcntl call actually adjusts | |
5442 | * them to 5, 6 and 7 before making the syscall(). Since we make the | |
5443 | * syscall directly, adjust to what is supported by the kernel. | |
5444 | */ | |
5445 | if (ret >= F_GETLK64 && ret <= F_SETLKW64) { | |
5446 | ret -= F_GETLK64 - 5; | |
5f106811 | 5447 | } |
4a545761 SB |
5448 | #endif |
5449 | ||
5450 | return ret; | |
5f106811 APR |
5451 | } |
5452 | ||
ae68ad9f LV |
5453 | #define FLOCK_TRANSTBL \ |
5454 | switch (type) { \ | |
5455 | TRANSTBL_CONVERT(F_RDLCK); \ | |
5456 | TRANSTBL_CONVERT(F_WRLCK); \ | |
5457 | TRANSTBL_CONVERT(F_UNLCK); \ | |
5458 | TRANSTBL_CONVERT(F_EXLCK); \ | |
5459 | TRANSTBL_CONVERT(F_SHLCK); \ | |
5460 | } | |
5461 | ||
5462 | static int target_to_host_flock(int type) | |
5463 | { | |
5464 | #define TRANSTBL_CONVERT(a) case TARGET_##a: return a | |
5465 | FLOCK_TRANSTBL | |
5466 | #undef TRANSTBL_CONVERT | |
5467 | return -TARGET_EINVAL; | |
5468 | } | |
5469 | ||
5470 | static int host_to_target_flock(int type) | |
5471 | { | |
5472 | #define TRANSTBL_CONVERT(a) case a: return TARGET_##a | |
5473 | FLOCK_TRANSTBL | |
5474 | #undef TRANSTBL_CONVERT | |
5475 | /* if we don't know how to convert the value coming | |
5476 | * from the host we copy to the target field as-is | |
5477 | */ | |
5478 | return type; | |
5479 | } | |
2ba7f730 | 5480 | |
213d3e9e PM |
5481 | static inline abi_long copy_from_user_flock(struct flock64 *fl, |
5482 | abi_ulong target_flock_addr) | |
7775e9ec | 5483 | { |
53a5960a | 5484 | struct target_flock *target_fl; |
ae68ad9f | 5485 | int l_type; |
213d3e9e PM |
5486 | |
5487 | if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) { | |
5488 | return -TARGET_EFAULT; | |
5489 | } | |
5490 | ||
5491 | __get_user(l_type, &target_fl->l_type); | |
ae68ad9f LV |
5492 | l_type = target_to_host_flock(l_type); |
5493 | if (l_type < 0) { | |
5494 | return l_type; | |
5495 | } | |
5496 | fl->l_type = l_type; | |
213d3e9e PM |
5497 | __get_user(fl->l_whence, &target_fl->l_whence); |
5498 | __get_user(fl->l_start, &target_fl->l_start); | |
5499 | __get_user(fl->l_len, &target_fl->l_len); | |
5500 | __get_user(fl->l_pid, &target_fl->l_pid); | |
5501 | unlock_user_struct(target_fl, target_flock_addr, 0); | |
5502 | return 0; | |
5503 | } | |
5504 | ||
5505 | static inline abi_long copy_to_user_flock(abi_ulong target_flock_addr, | |
5506 | const struct flock64 *fl) | |
5507 | { | |
5508 | struct target_flock *target_fl; | |
5509 | short l_type; | |
5510 | ||
5511 | if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) { | |
5512 | return -TARGET_EFAULT; | |
5513 | } | |
5514 | ||
ae68ad9f | 5515 | l_type = host_to_target_flock(fl->l_type); |
213d3e9e PM |
5516 | __put_user(l_type, &target_fl->l_type); |
5517 | __put_user(fl->l_whence, &target_fl->l_whence); | |
5518 | __put_user(fl->l_start, &target_fl->l_start); | |
5519 | __put_user(fl->l_len, &target_fl->l_len); | |
5520 | __put_user(fl->l_pid, &target_fl->l_pid); | |
5521 | unlock_user_struct(target_fl, target_flock_addr, 1); | |
5522 | return 0; | |
5523 | } | |
5524 | ||
5525 | typedef abi_long from_flock64_fn(struct flock64 *fl, abi_ulong target_addr); | |
5526 | typedef abi_long to_flock64_fn(abi_ulong target_addr, const struct flock64 *fl); | |
5527 | ||
5528 | #if defined(TARGET_ARM) && TARGET_ABI_BITS == 32 | |
7f254c5c | 5529 | static inline abi_long copy_from_user_oabi_flock64(struct flock64 *fl, |
213d3e9e PM |
5530 | abi_ulong target_flock_addr) |
5531 | { | |
7f254c5c | 5532 | struct target_oabi_flock64 *target_fl; |
ae68ad9f | 5533 | int l_type; |
213d3e9e PM |
5534 | |
5535 | if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) { | |
5536 | return -TARGET_EFAULT; | |
5537 | } | |
5538 | ||
5539 | __get_user(l_type, &target_fl->l_type); | |
ae68ad9f LV |
5540 | l_type = target_to_host_flock(l_type); |
5541 | if (l_type < 0) { | |
5542 | return l_type; | |
5543 | } | |
5544 | fl->l_type = l_type; | |
213d3e9e PM |
5545 | __get_user(fl->l_whence, &target_fl->l_whence); |
5546 | __get_user(fl->l_start, &target_fl->l_start); | |
5547 | __get_user(fl->l_len, &target_fl->l_len); | |
5548 | __get_user(fl->l_pid, &target_fl->l_pid); | |
5549 | unlock_user_struct(target_fl, target_flock_addr, 0); | |
5550 | return 0; | |
5551 | } | |
5552 | ||
7f254c5c | 5553 | static inline abi_long copy_to_user_oabi_flock64(abi_ulong target_flock_addr, |
213d3e9e PM |
5554 | const struct flock64 *fl) |
5555 | { | |
7f254c5c | 5556 | struct target_oabi_flock64 *target_fl; |
213d3e9e PM |
5557 | short l_type; |
5558 | ||
5559 | if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) { | |
5560 | return -TARGET_EFAULT; | |
5561 | } | |
5562 | ||
ae68ad9f | 5563 | l_type = host_to_target_flock(fl->l_type); |
213d3e9e PM |
5564 | __put_user(l_type, &target_fl->l_type); |
5565 | __put_user(fl->l_whence, &target_fl->l_whence); | |
5566 | __put_user(fl->l_start, &target_fl->l_start); | |
5567 | __put_user(fl->l_len, &target_fl->l_len); | |
5568 | __put_user(fl->l_pid, &target_fl->l_pid); | |
5569 | unlock_user_struct(target_fl, target_flock_addr, 1); | |
5570 | return 0; | |
5571 | } | |
5572 | #endif | |
5573 | ||
5574 | static inline abi_long copy_from_user_flock64(struct flock64 *fl, | |
5575 | abi_ulong target_flock_addr) | |
5576 | { | |
5577 | struct target_flock64 *target_fl; | |
ae68ad9f | 5578 | int l_type; |
213d3e9e PM |
5579 | |
5580 | if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) { | |
5581 | return -TARGET_EFAULT; | |
5582 | } | |
5583 | ||
5584 | __get_user(l_type, &target_fl->l_type); | |
ae68ad9f LV |
5585 | l_type = target_to_host_flock(l_type); |
5586 | if (l_type < 0) { | |
5587 | return l_type; | |
5588 | } | |
5589 | fl->l_type = l_type; | |
213d3e9e PM |
5590 | __get_user(fl->l_whence, &target_fl->l_whence); |
5591 | __get_user(fl->l_start, &target_fl->l_start); | |
5592 | __get_user(fl->l_len, &target_fl->l_len); | |
5593 | __get_user(fl->l_pid, &target_fl->l_pid); | |
5594 | unlock_user_struct(target_fl, target_flock_addr, 0); | |
5595 | return 0; | |
5596 | } | |
5597 | ||
5598 | static inline abi_long copy_to_user_flock64(abi_ulong target_flock_addr, | |
5599 | const struct flock64 *fl) | |
5600 | { | |
5601 | struct target_flock64 *target_fl; | |
5602 | short l_type; | |
5603 | ||
5604 | if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) { | |
5605 | return -TARGET_EFAULT; | |
5606 | } | |
5607 | ||
ae68ad9f | 5608 | l_type = host_to_target_flock(fl->l_type); |
213d3e9e PM |
5609 | __put_user(l_type, &target_fl->l_type); |
5610 | __put_user(fl->l_whence, &target_fl->l_whence); | |
5611 | __put_user(fl->l_start, &target_fl->l_start); | |
5612 | __put_user(fl->l_len, &target_fl->l_len); | |
5613 | __put_user(fl->l_pid, &target_fl->l_pid); | |
5614 | unlock_user_struct(target_fl, target_flock_addr, 1); | |
5615 | return 0; | |
5616 | } | |
5617 | ||
5618 | static abi_long do_fcntl(int fd, int cmd, abi_ulong arg) | |
5619 | { | |
43f238d7 | 5620 | struct flock64 fl64; |
8d5d3004 AS |
5621 | #ifdef F_GETOWN_EX |
5622 | struct f_owner_ex fox; | |
5623 | struct target_f_owner_ex *target_fox; | |
5624 | #endif | |
992f48a0 | 5625 | abi_long ret; |
5f106811 APR |
5626 | int host_cmd = target_to_host_fcntl_cmd(cmd); |
5627 | ||
5628 | if (host_cmd == -TARGET_EINVAL) | |
5629 | return host_cmd; | |
53a5960a | 5630 | |
7775e9ec FB |
5631 | switch(cmd) { |
5632 | case TARGET_F_GETLK: | |
213d3e9e PM |
5633 | ret = copy_from_user_flock(&fl64, arg); |
5634 | if (ret) { | |
5635 | return ret; | |
5636 | } | |
435da5e7 | 5637 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
7775e9ec | 5638 | if (ret == 0) { |
213d3e9e | 5639 | ret = copy_to_user_flock(arg, &fl64); |
7775e9ec FB |
5640 | } |
5641 | break; | |
3b46e624 | 5642 | |
7775e9ec FB |
5643 | case TARGET_F_SETLK: |
5644 | case TARGET_F_SETLKW: | |
213d3e9e PM |
5645 | ret = copy_from_user_flock(&fl64, arg); |
5646 | if (ret) { | |
5647 | return ret; | |
5648 | } | |
435da5e7 | 5649 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
7775e9ec | 5650 | break; |
3b46e624 | 5651 | |
7775e9ec | 5652 | case TARGET_F_GETLK64: |
213d3e9e PM |
5653 | ret = copy_from_user_flock64(&fl64, arg); |
5654 | if (ret) { | |
5655 | return ret; | |
5656 | } | |
435da5e7 | 5657 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
43f238d7 | 5658 | if (ret == 0) { |
213d3e9e | 5659 | ret = copy_to_user_flock64(arg, &fl64); |
43f238d7 | 5660 | } |
9ee1fa2c | 5661 | break; |
7775e9ec FB |
5662 | case TARGET_F_SETLK64: |
5663 | case TARGET_F_SETLKW64: | |
213d3e9e PM |
5664 | ret = copy_from_user_flock64(&fl64, arg); |
5665 | if (ret) { | |
5666 | return ret; | |
5667 | } | |
435da5e7 | 5668 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
7775e9ec FB |
5669 | break; |
5670 | ||
5f106811 | 5671 | case TARGET_F_GETFL: |
435da5e7 | 5672 | ret = get_errno(safe_fcntl(fd, host_cmd, arg)); |
9ee1fa2c FB |
5673 | if (ret >= 0) { |
5674 | ret = host_to_target_bitmask(ret, fcntl_flags_tbl); | |
5675 | } | |
ffa65c3b FB |
5676 | break; |
5677 | ||
5f106811 | 5678 | case TARGET_F_SETFL: |
435da5e7 PM |
5679 | ret = get_errno(safe_fcntl(fd, host_cmd, |
5680 | target_to_host_bitmask(arg, | |
5681 | fcntl_flags_tbl))); | |
5f106811 APR |
5682 | break; |
5683 | ||
8d5d3004 AS |
5684 | #ifdef F_GETOWN_EX |
5685 | case TARGET_F_GETOWN_EX: | |
435da5e7 | 5686 | ret = get_errno(safe_fcntl(fd, host_cmd, &fox)); |
8d5d3004 AS |
5687 | if (ret >= 0) { |
5688 | if (!lock_user_struct(VERIFY_WRITE, target_fox, arg, 0)) | |
5689 | return -TARGET_EFAULT; | |
5690 | target_fox->type = tswap32(fox.type); | |
5691 | target_fox->pid = tswap32(fox.pid); | |
5692 | unlock_user_struct(target_fox, arg, 1); | |
5693 | } | |
5694 | break; | |
5695 | #endif | |
5696 | ||
5697 | #ifdef F_SETOWN_EX | |
5698 | case TARGET_F_SETOWN_EX: | |
5699 | if (!lock_user_struct(VERIFY_READ, target_fox, arg, 1)) | |
5700 | return -TARGET_EFAULT; | |
5701 | fox.type = tswap32(target_fox->type); | |
5702 | fox.pid = tswap32(target_fox->pid); | |
5703 | unlock_user_struct(target_fox, arg, 0); | |
435da5e7 | 5704 | ret = get_errno(safe_fcntl(fd, host_cmd, &fox)); |
8d5d3004 AS |
5705 | break; |
5706 | #endif | |
5707 | ||
5f106811 APR |
5708 | case TARGET_F_SETOWN: |
5709 | case TARGET_F_GETOWN: | |
5710 | case TARGET_F_SETSIG: | |
5711 | case TARGET_F_GETSIG: | |
7e22e546 UH |
5712 | case TARGET_F_SETLEASE: |
5713 | case TARGET_F_GETLEASE: | |
7e3b92ec PM |
5714 | case TARGET_F_SETPIPE_SZ: |
5715 | case TARGET_F_GETPIPE_SZ: | |
435da5e7 | 5716 | ret = get_errno(safe_fcntl(fd, host_cmd, arg)); |
ffa65c3b FB |
5717 | break; |
5718 | ||
7775e9ec | 5719 | default: |
435da5e7 | 5720 | ret = get_errno(safe_fcntl(fd, cmd, arg)); |
7775e9ec FB |
5721 | break; |
5722 | } | |
5723 | return ret; | |
5724 | } | |
5725 | ||
67867308 | 5726 | #ifdef USE_UID16 |
7775e9ec | 5727 | |
67867308 FB |
5728 | static inline int high2lowuid(int uid) |
5729 | { | |
5730 | if (uid > 65535) | |
5731 | return 65534; | |
5732 | else | |
5733 | return uid; | |
5734 | } | |
5735 | ||
5736 | static inline int high2lowgid(int gid) | |
5737 | { | |
5738 | if (gid > 65535) | |
5739 | return 65534; | |
5740 | else | |
5741 | return gid; | |
5742 | } | |
5743 | ||
5744 | static inline int low2highuid(int uid) | |
5745 | { | |
5746 | if ((int16_t)uid == -1) | |
5747 | return -1; | |
5748 | else | |
5749 | return uid; | |
5750 | } | |
5751 | ||
5752 | static inline int low2highgid(int gid) | |
5753 | { | |
5754 | if ((int16_t)gid == -1) | |
5755 | return -1; | |
5756 | else | |
5757 | return gid; | |
5758 | } | |
0c866a7e RV |
5759 | static inline int tswapid(int id) |
5760 | { | |
5761 | return tswap16(id); | |
5762 | } | |
76ca310a PM |
5763 | |
5764 | #define put_user_id(x, gaddr) put_user_u16(x, gaddr) | |
5765 | ||
0c866a7e RV |
5766 | #else /* !USE_UID16 */ |
5767 | static inline int high2lowuid(int uid) | |
5768 | { | |
5769 | return uid; | |
5770 | } | |
5771 | static inline int high2lowgid(int gid) | |
5772 | { | |
5773 | return gid; | |
5774 | } | |
5775 | static inline int low2highuid(int uid) | |
5776 | { | |
5777 | return uid; | |
5778 | } | |
5779 | static inline int low2highgid(int gid) | |
5780 | { | |
5781 | return gid; | |
5782 | } | |
5783 | static inline int tswapid(int id) | |
5784 | { | |
5785 | return tswap32(id); | |
5786 | } | |
76ca310a PM |
5787 | |
5788 | #define put_user_id(x, gaddr) put_user_u32(x, gaddr) | |
5789 | ||
67867308 | 5790 | #endif /* USE_UID16 */ |
1b6b029e | 5791 | |
fd6f7798 PM |
5792 | /* We must do direct syscalls for setting UID/GID, because we want to |
5793 | * implement the Linux system call semantics of "change only for this thread", | |
5794 | * not the libc/POSIX semantics of "change for all threads in process". | |
5795 | * (See http://ewontfix.com/17/ for more details.) | |
5796 | * We use the 32-bit version of the syscalls if present; if it is not | |
5797 | * then either the host architecture supports 32-bit UIDs natively with | |
5798 | * the standard syscall, or the 16-bit UID is the best we can do. | |
5799 | */ | |
5800 | #ifdef __NR_setuid32 | |
5801 | #define __NR_sys_setuid __NR_setuid32 | |
5802 | #else | |
5803 | #define __NR_sys_setuid __NR_setuid | |
5804 | #endif | |
5805 | #ifdef __NR_setgid32 | |
5806 | #define __NR_sys_setgid __NR_setgid32 | |
5807 | #else | |
5808 | #define __NR_sys_setgid __NR_setgid | |
5809 | #endif | |
5810 | #ifdef __NR_setresuid32 | |
5811 | #define __NR_sys_setresuid __NR_setresuid32 | |
5812 | #else | |
5813 | #define __NR_sys_setresuid __NR_setresuid | |
5814 | #endif | |
5815 | #ifdef __NR_setresgid32 | |
5816 | #define __NR_sys_setresgid __NR_setresgid32 | |
5817 | #else | |
5818 | #define __NR_sys_setresgid __NR_setresgid | |
5819 | #endif | |
5820 | ||
5821 | _syscall1(int, sys_setuid, uid_t, uid) | |
5822 | _syscall1(int, sys_setgid, gid_t, gid) | |
5823 | _syscall3(int, sys_setresuid, uid_t, ruid, uid_t, euid, uid_t, suid) | |
5824 | _syscall3(int, sys_setresgid, gid_t, rgid, gid_t, egid, gid_t, sgid) | |
5825 | ||
31e31b8a FB |
5826 | void syscall_init(void) |
5827 | { | |
2ab83ea7 FB |
5828 | IOCTLEntry *ie; |
5829 | const argtype *arg_type; | |
5830 | int size; | |
b92c47c1 | 5831 | int i; |
2ab83ea7 | 5832 | |
8be656b8 AG |
5833 | thunk_init(STRUCT_MAX); |
5834 | ||
001faf32 | 5835 | #define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); |
5fafdf24 | 5836 | #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); |
31e31b8a FB |
5837 | #include "syscall_types.h" |
5838 | #undef STRUCT | |
5839 | #undef STRUCT_SPECIAL | |
2ab83ea7 | 5840 | |
dd6e957a PM |
5841 | /* Build target_to_host_errno_table[] table from |
5842 | * host_to_target_errno_table[]. */ | |
5843 | for (i = 0; i < ERRNO_TABLE_SIZE; i++) { | |
5844 | target_to_host_errno_table[host_to_target_errno_table[i]] = i; | |
5845 | } | |
5846 | ||
2ab83ea7 FB |
5847 | /* we patch the ioctl size if necessary. We rely on the fact that |
5848 | no ioctl has all the bits at '1' in the size field */ | |
5849 | ie = ioctl_entries; | |
5850 | while (ie->target_cmd != 0) { | |
5851 | if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) == | |
5852 | TARGET_IOC_SIZEMASK) { | |
5853 | arg_type = ie->arg_type; | |
5854 | if (arg_type[0] != TYPE_PTR) { | |
5fafdf24 | 5855 | fprintf(stderr, "cannot patch size for ioctl 0x%x\n", |
2ab83ea7 FB |
5856 | ie->target_cmd); |
5857 | exit(1); | |
5858 | } | |
5859 | arg_type++; | |
5860 | size = thunk_type_size(arg_type, 0); | |
5fafdf24 | 5861 | ie->target_cmd = (ie->target_cmd & |
2ab83ea7 FB |
5862 | ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | |
5863 | (size << TARGET_IOC_SIZESHIFT); | |
5864 | } | |
b92c47c1 | 5865 | |
2ab83ea7 | 5866 | /* automatic consistency check if same arch */ |
872ea0c0 AZ |
5867 | #if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \ |
5868 | (defined(__x86_64__) && defined(TARGET_X86_64)) | |
5869 | if (unlikely(ie->target_cmd != ie->host_cmd)) { | |
5870 | fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n", | |
5871 | ie->name, ie->target_cmd, ie->host_cmd); | |
2ab83ea7 FB |
5872 | } |
5873 | #endif | |
5874 | ie++; | |
5875 | } | |
31e31b8a | 5876 | } |
c573ff67 | 5877 | |
992f48a0 | 5878 | #if TARGET_ABI_BITS == 32 |
ce4defa0 PB |
5879 | static inline uint64_t target_offset64(uint32_t word0, uint32_t word1) |
5880 | { | |
af325d36 | 5881 | #ifdef TARGET_WORDS_BIGENDIAN |
ce4defa0 PB |
5882 | return ((uint64_t)word0 << 32) | word1; |
5883 | #else | |
5884 | return ((uint64_t)word1 << 32) | word0; | |
5885 | #endif | |
5886 | } | |
992f48a0 | 5887 | #else /* TARGET_ABI_BITS == 32 */ |
32407103 JM |
5888 | static inline uint64_t target_offset64(uint64_t word0, uint64_t word1) |
5889 | { | |
5890 | return word0; | |
5891 | } | |
992f48a0 | 5892 | #endif /* TARGET_ABI_BITS != 32 */ |
ce4defa0 PB |
5893 | |
5894 | #ifdef TARGET_NR_truncate64 | |
992f48a0 BS |
5895 | static inline abi_long target_truncate64(void *cpu_env, const char *arg1, |
5896 | abi_long arg2, | |
5897 | abi_long arg3, | |
5898 | abi_long arg4) | |
ce4defa0 | 5899 | { |
8bf8e9df | 5900 | if (regpairs_aligned(cpu_env, TARGET_NR_truncate64)) { |
ce4defa0 PB |
5901 | arg2 = arg3; |
5902 | arg3 = arg4; | |
48e515d4 | 5903 | } |
ce4defa0 PB |
5904 | return get_errno(truncate64(arg1, target_offset64(arg2, arg3))); |
5905 | } | |
5906 | #endif | |
5907 | ||
5908 | #ifdef TARGET_NR_ftruncate64 | |
992f48a0 BS |
5909 | static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1, |
5910 | abi_long arg2, | |
5911 | abi_long arg3, | |
5912 | abi_long arg4) | |
ce4defa0 | 5913 | { |
8bf8e9df | 5914 | if (regpairs_aligned(cpu_env, TARGET_NR_ftruncate64)) { |
ce4defa0 PB |
5915 | arg2 = arg3; |
5916 | arg3 = arg4; | |
48e515d4 | 5917 | } |
ce4defa0 PB |
5918 | return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3))); |
5919 | } | |
5920 | #endif | |
5921 | ||
579a97f7 FB |
5922 | static inline abi_long target_to_host_timespec(struct timespec *host_ts, |
5923 | abi_ulong target_addr) | |
53a5960a PB |
5924 | { |
5925 | struct target_timespec *target_ts; | |
5926 | ||
579a97f7 FB |
5927 | if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) |
5928 | return -TARGET_EFAULT; | |
c7e35da3 PM |
5929 | __get_user(host_ts->tv_sec, &target_ts->tv_sec); |
5930 | __get_user(host_ts->tv_nsec, &target_ts->tv_nsec); | |
53a5960a | 5931 | unlock_user_struct(target_ts, target_addr, 0); |
b255bfa8 | 5932 | return 0; |
53a5960a PB |
5933 | } |
5934 | ||
579a97f7 FB |
5935 | static inline abi_long host_to_target_timespec(abi_ulong target_addr, |
5936 | struct timespec *host_ts) | |
53a5960a PB |
5937 | { |
5938 | struct target_timespec *target_ts; | |
5939 | ||
579a97f7 FB |
5940 | if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) |
5941 | return -TARGET_EFAULT; | |
c7e35da3 PM |
5942 | __put_user(host_ts->tv_sec, &target_ts->tv_sec); |
5943 | __put_user(host_ts->tv_nsec, &target_ts->tv_nsec); | |
53a5960a | 5944 | unlock_user_struct(target_ts, target_addr, 1); |
b255bfa8 | 5945 | return 0; |
53a5960a PB |
5946 | } |
5947 | ||
f4f1e10a ECL |
5948 | static inline abi_long target_to_host_itimerspec(struct itimerspec *host_itspec, |
5949 | abi_ulong target_addr) | |
5950 | { | |
5951 | struct target_itimerspec *target_itspec; | |
5952 | ||
5953 | if (!lock_user_struct(VERIFY_READ, target_itspec, target_addr, 1)) { | |
5954 | return -TARGET_EFAULT; | |
5955 | } | |
5956 | ||
5957 | host_itspec->it_interval.tv_sec = | |
5958 | tswapal(target_itspec->it_interval.tv_sec); | |
5959 | host_itspec->it_interval.tv_nsec = | |
5960 | tswapal(target_itspec->it_interval.tv_nsec); | |
5961 | host_itspec->it_value.tv_sec = tswapal(target_itspec->it_value.tv_sec); | |
5962 | host_itspec->it_value.tv_nsec = tswapal(target_itspec->it_value.tv_nsec); | |
5963 | ||
5964 | unlock_user_struct(target_itspec, target_addr, 1); | |
5965 | return 0; | |
5966 | } | |
5967 | ||
5968 | static inline abi_long host_to_target_itimerspec(abi_ulong target_addr, | |
5969 | struct itimerspec *host_its) | |
5970 | { | |
5971 | struct target_itimerspec *target_itspec; | |
5972 | ||
5973 | if (!lock_user_struct(VERIFY_WRITE, target_itspec, target_addr, 0)) { | |
5974 | return -TARGET_EFAULT; | |
5975 | } | |
5976 | ||
5977 | target_itspec->it_interval.tv_sec = tswapal(host_its->it_interval.tv_sec); | |
5978 | target_itspec->it_interval.tv_nsec = tswapal(host_its->it_interval.tv_nsec); | |
5979 | ||
5980 | target_itspec->it_value.tv_sec = tswapal(host_its->it_value.tv_sec); | |
5981 | target_itspec->it_value.tv_nsec = tswapal(host_its->it_value.tv_nsec); | |
5982 | ||
5983 | unlock_user_struct(target_itspec, target_addr, 0); | |
5984 | return 0; | |
5985 | } | |
5986 | ||
19f59bce AM |
5987 | static inline abi_long target_to_host_timex(struct timex *host_tx, |
5988 | abi_long target_addr) | |
5989 | { | |
5990 | struct target_timex *target_tx; | |
5991 | ||
5992 | if (!lock_user_struct(VERIFY_READ, target_tx, target_addr, 1)) { | |
5993 | return -TARGET_EFAULT; | |
5994 | } | |
5995 | ||
5996 | __get_user(host_tx->modes, &target_tx->modes); | |
5997 | __get_user(host_tx->offset, &target_tx->offset); | |
5998 | __get_user(host_tx->freq, &target_tx->freq); | |
5999 | __get_user(host_tx->maxerror, &target_tx->maxerror); | |
6000 | __get_user(host_tx->esterror, &target_tx->esterror); | |
6001 | __get_user(host_tx->status, &target_tx->status); | |
6002 | __get_user(host_tx->constant, &target_tx->constant); | |
6003 | __get_user(host_tx->precision, &target_tx->precision); | |
6004 | __get_user(host_tx->tolerance, &target_tx->tolerance); | |
6005 | __get_user(host_tx->time.tv_sec, &target_tx->time.tv_sec); | |
6006 | __get_user(host_tx->time.tv_usec, &target_tx->time.tv_usec); | |
6007 | __get_user(host_tx->tick, &target_tx->tick); | |
6008 | __get_user(host_tx->ppsfreq, &target_tx->ppsfreq); | |
6009 | __get_user(host_tx->jitter, &target_tx->jitter); | |
6010 | __get_user(host_tx->shift, &target_tx->shift); | |
6011 | __get_user(host_tx->stabil, &target_tx->stabil); | |
6012 | __get_user(host_tx->jitcnt, &target_tx->jitcnt); | |
6013 | __get_user(host_tx->calcnt, &target_tx->calcnt); | |
6014 | __get_user(host_tx->errcnt, &target_tx->errcnt); | |
6015 | __get_user(host_tx->stbcnt, &target_tx->stbcnt); | |
6016 | __get_user(host_tx->tai, &target_tx->tai); | |
6017 | ||
6018 | unlock_user_struct(target_tx, target_addr, 0); | |
6019 | return 0; | |
6020 | } | |
6021 | ||
6022 | static inline abi_long host_to_target_timex(abi_long target_addr, | |
6023 | struct timex *host_tx) | |
6024 | { | |
6025 | struct target_timex *target_tx; | |
6026 | ||
6027 | if (!lock_user_struct(VERIFY_WRITE, target_tx, target_addr, 0)) { | |
6028 | return -TARGET_EFAULT; | |
6029 | } | |
6030 | ||
6031 | __put_user(host_tx->modes, &target_tx->modes); | |
6032 | __put_user(host_tx->offset, &target_tx->offset); | |
6033 | __put_user(host_tx->freq, &target_tx->freq); | |
6034 | __put_user(host_tx->maxerror, &target_tx->maxerror); | |
6035 | __put_user(host_tx->esterror, &target_tx->esterror); | |
6036 | __put_user(host_tx->status, &target_tx->status); | |
6037 | __put_user(host_tx->constant, &target_tx->constant); | |
6038 | __put_user(host_tx->precision, &target_tx->precision); | |
6039 | __put_user(host_tx->tolerance, &target_tx->tolerance); | |
6040 | __put_user(host_tx->time.tv_sec, &target_tx->time.tv_sec); | |
6041 | __put_user(host_tx->time.tv_usec, &target_tx->time.tv_usec); | |
6042 | __put_user(host_tx->tick, &target_tx->tick); | |
6043 | __put_user(host_tx->ppsfreq, &target_tx->ppsfreq); | |
6044 | __put_user(host_tx->jitter, &target_tx->jitter); | |
6045 | __put_user(host_tx->shift, &target_tx->shift); | |
6046 | __put_user(host_tx->stabil, &target_tx->stabil); | |
6047 | __put_user(host_tx->jitcnt, &target_tx->jitcnt); | |
6048 | __put_user(host_tx->calcnt, &target_tx->calcnt); | |
6049 | __put_user(host_tx->errcnt, &target_tx->errcnt); | |
6050 | __put_user(host_tx->stbcnt, &target_tx->stbcnt); | |
6051 | __put_user(host_tx->tai, &target_tx->tai); | |
6052 | ||
6053 | unlock_user_struct(target_tx, target_addr, 1); | |
6054 | return 0; | |
6055 | } | |
6056 | ||
6057 | ||
c065976f PM |
6058 | static inline abi_long target_to_host_sigevent(struct sigevent *host_sevp, |
6059 | abi_ulong target_addr) | |
6060 | { | |
6061 | struct target_sigevent *target_sevp; | |
6062 | ||
6063 | if (!lock_user_struct(VERIFY_READ, target_sevp, target_addr, 1)) { | |
6064 | return -TARGET_EFAULT; | |
6065 | } | |
6066 | ||
6067 | /* This union is awkward on 64 bit systems because it has a 32 bit | |
6068 | * integer and a pointer in it; we follow the conversion approach | |
6069 | * used for handling sigval types in signal.c so the guest should get | |
6070 | * the correct value back even if we did a 64 bit byteswap and it's | |
6071 | * using the 32 bit integer. | |
6072 | */ | |
6073 | host_sevp->sigev_value.sival_ptr = | |
6074 | (void *)(uintptr_t)tswapal(target_sevp->sigev_value.sival_ptr); | |
6075 | host_sevp->sigev_signo = | |
6076 | target_to_host_signal(tswap32(target_sevp->sigev_signo)); | |
6077 | host_sevp->sigev_notify = tswap32(target_sevp->sigev_notify); | |
6078 | host_sevp->_sigev_un._tid = tswap32(target_sevp->_sigev_un._tid); | |
6079 | ||
6080 | unlock_user_struct(target_sevp, target_addr, 1); | |
6081 | return 0; | |
6082 | } | |
6083 | ||
6f6a4032 TM |
6084 | #if defined(TARGET_NR_mlockall) |
6085 | static inline int target_to_host_mlockall_arg(int arg) | |
6086 | { | |
6087 | int result = 0; | |
6088 | ||
6089 | if (arg & TARGET_MLOCKALL_MCL_CURRENT) { | |
6090 | result |= MCL_CURRENT; | |
6091 | } | |
6092 | if (arg & TARGET_MLOCKALL_MCL_FUTURE) { | |
6093 | result |= MCL_FUTURE; | |
6094 | } | |
6095 | return result; | |
6096 | } | |
6097 | #endif | |
6098 | ||
4f7f8924 AR |
6099 | #if (defined(TARGET_NR_stat64) || defined(TARGET_NR_lstat64) || \ |
6100 | defined(TARGET_NR_fstat64) || defined(TARGET_NR_fstatat64) || \ | |
6101 | defined(TARGET_NR_newfstatat)) | |
6a24a778 AZ |
6102 | static inline abi_long host_to_target_stat64(void *cpu_env, |
6103 | abi_ulong target_addr, | |
6104 | struct stat *host_st) | |
6105 | { | |
09701199 | 6106 | #if defined(TARGET_ARM) && defined(TARGET_ABI32) |
6a24a778 AZ |
6107 | if (((CPUARMState *)cpu_env)->eabi) { |
6108 | struct target_eabi_stat64 *target_st; | |
6109 | ||
6110 | if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) | |
6111 | return -TARGET_EFAULT; | |
6112 | memset(target_st, 0, sizeof(struct target_eabi_stat64)); | |
6113 | __put_user(host_st->st_dev, &target_st->st_dev); | |
6114 | __put_user(host_st->st_ino, &target_st->st_ino); | |
6115 | #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO | |
6116 | __put_user(host_st->st_ino, &target_st->__st_ino); | |
6117 | #endif | |
6118 | __put_user(host_st->st_mode, &target_st->st_mode); | |
6119 | __put_user(host_st->st_nlink, &target_st->st_nlink); | |
6120 | __put_user(host_st->st_uid, &target_st->st_uid); | |
6121 | __put_user(host_st->st_gid, &target_st->st_gid); | |
6122 | __put_user(host_st->st_rdev, &target_st->st_rdev); | |
6123 | __put_user(host_st->st_size, &target_st->st_size); | |
6124 | __put_user(host_st->st_blksize, &target_st->st_blksize); | |
6125 | __put_user(host_st->st_blocks, &target_st->st_blocks); | |
6126 | __put_user(host_st->st_atime, &target_st->target_st_atime); | |
6127 | __put_user(host_st->st_mtime, &target_st->target_st_mtime); | |
6128 | __put_user(host_st->st_ctime, &target_st->target_st_ctime); | |
6129 | unlock_user_struct(target_st, target_addr, 1); | |
6130 | } else | |
6131 | #endif | |
6132 | { | |
20d155bc | 6133 | #if defined(TARGET_HAS_STRUCT_STAT64) |
6a24a778 | 6134 | struct target_stat64 *target_st; |
20d155bc SW |
6135 | #else |
6136 | struct target_stat *target_st; | |
9d33b76b | 6137 | #endif |
6a24a778 AZ |
6138 | |
6139 | if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) | |
6140 | return -TARGET_EFAULT; | |
9d33b76b | 6141 | memset(target_st, 0, sizeof(*target_st)); |
6a24a778 AZ |
6142 | __put_user(host_st->st_dev, &target_st->st_dev); |
6143 | __put_user(host_st->st_ino, &target_st->st_ino); | |
6144 | #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO | |
6145 | __put_user(host_st->st_ino, &target_st->__st_ino); | |
6146 | #endif | |
6147 | __put_user(host_st->st_mode, &target_st->st_mode); | |
6148 | __put_user(host_st->st_nlink, &target_st->st_nlink); | |
6149 | __put_user(host_st->st_uid, &target_st->st_uid); | |
6150 | __put_user(host_st->st_gid, &target_st->st_gid); | |
6151 | __put_user(host_st->st_rdev, &target_st->st_rdev); | |
6152 | /* XXX: better use of kernel struct */ | |
6153 | __put_user(host_st->st_size, &target_st->st_size); | |
6154 | __put_user(host_st->st_blksize, &target_st->st_blksize); | |
6155 | __put_user(host_st->st_blocks, &target_st->st_blocks); | |
6156 | __put_user(host_st->st_atime, &target_st->target_st_atime); | |
6157 | __put_user(host_st->st_mtime, &target_st->target_st_mtime); | |
6158 | __put_user(host_st->st_ctime, &target_st->target_st_ctime); | |
6159 | unlock_user_struct(target_st, target_addr, 1); | |
6160 | } | |
6161 | ||
6162 | return 0; | |
6163 | } | |
4f7f8924 | 6164 | #endif |
6a24a778 | 6165 | |
bd0c5661 PB |
6166 | /* ??? Using host futex calls even when target atomic operations |
6167 | are not really atomic probably breaks things. However implementing | |
6168 | futexes locally would make futexes shared between multiple processes | |
6169 | tricky. However they're probably useless because guest atomic | |
6170 | operations won't work either. */ | |
8fcd3692 BS |
6171 | static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout, |
6172 | target_ulong uaddr2, int val3) | |
bd0c5661 PB |
6173 | { |
6174 | struct timespec ts, *pts; | |
a16aae0c | 6175 | int base_op; |
bd0c5661 PB |
6176 | |
6177 | /* ??? We assume FUTEX_* constants are the same on both host | |
6178 | and target. */ | |
a29ccd63 | 6179 | #ifdef FUTEX_CMD_MASK |
a16aae0c | 6180 | base_op = op & FUTEX_CMD_MASK; |
a29ccd63 | 6181 | #else |
a16aae0c | 6182 | base_op = op; |
a29ccd63 | 6183 | #endif |
a16aae0c | 6184 | switch (base_op) { |
bd0c5661 | 6185 | case FUTEX_WAIT: |
cce246e0 | 6186 | case FUTEX_WAIT_BITSET: |
bd0c5661 PB |
6187 | if (timeout) { |
6188 | pts = &ts; | |
6189 | target_to_host_timespec(pts, timeout); | |
6190 | } else { | |
6191 | pts = NULL; | |
6192 | } | |
d509eeb1 | 6193 | return get_errno(safe_futex(g2h(uaddr), op, tswap32(val), |
cce246e0 | 6194 | pts, NULL, val3)); |
bd0c5661 | 6195 | case FUTEX_WAKE: |
d509eeb1 | 6196 | return get_errno(safe_futex(g2h(uaddr), op, val, NULL, NULL, 0)); |
bd0c5661 | 6197 | case FUTEX_FD: |
d509eeb1 | 6198 | return get_errno(safe_futex(g2h(uaddr), op, val, NULL, NULL, 0)); |
bd0c5661 | 6199 | case FUTEX_REQUEUE: |
bd0c5661 | 6200 | case FUTEX_CMP_REQUEUE: |
a16aae0c NF |
6201 | case FUTEX_WAKE_OP: |
6202 | /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the | |
6203 | TIMEOUT parameter is interpreted as a uint32_t by the kernel. | |
6204 | But the prototype takes a `struct timespec *'; insert casts | |
6205 | to satisfy the compiler. We do not need to tswap TIMEOUT | |
6206 | since it's not compared to guest memory. */ | |
6207 | pts = (struct timespec *)(uintptr_t) timeout; | |
d509eeb1 PM |
6208 | return get_errno(safe_futex(g2h(uaddr), op, val, pts, |
6209 | g2h(uaddr2), | |
6210 | (base_op == FUTEX_CMP_REQUEUE | |
6211 | ? tswap32(val3) | |
6212 | : val3))); | |
bd0c5661 PB |
6213 | default: |
6214 | return -TARGET_ENOSYS; | |
6215 | } | |
6216 | } | |
0f0426f3 LV |
6217 | #if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) |
6218 | static abi_long do_name_to_handle_at(abi_long dirfd, abi_long pathname, | |
6219 | abi_long handle, abi_long mount_id, | |
6220 | abi_long flags) | |
6221 | { | |
6222 | struct file_handle *target_fh; | |
6223 | struct file_handle *fh; | |
6224 | int mid = 0; | |
6225 | abi_long ret; | |
6226 | char *name; | |
6227 | unsigned int size, total_size; | |
6228 | ||
6229 | if (get_user_s32(size, handle)) { | |
6230 | return -TARGET_EFAULT; | |
6231 | } | |
6232 | ||
6233 | name = lock_user_string(pathname); | |
6234 | if (!name) { | |
6235 | return -TARGET_EFAULT; | |
6236 | } | |
6237 | ||
6238 | total_size = sizeof(struct file_handle) + size; | |
6239 | target_fh = lock_user(VERIFY_WRITE, handle, total_size, 0); | |
6240 | if (!target_fh) { | |
6241 | unlock_user(name, pathname, 0); | |
6242 | return -TARGET_EFAULT; | |
6243 | } | |
6244 | ||
6245 | fh = g_malloc0(total_size); | |
6246 | fh->handle_bytes = size; | |
6247 | ||
6248 | ret = get_errno(name_to_handle_at(dirfd, path(name), fh, &mid, flags)); | |
6249 | unlock_user(name, pathname, 0); | |
6250 | ||
6251 | /* man name_to_handle_at(2): | |
6252 | * Other than the use of the handle_bytes field, the caller should treat | |
6253 | * the file_handle structure as an opaque data type | |
6254 | */ | |
6255 | ||
6256 | memcpy(target_fh, fh, total_size); | |
6257 | target_fh->handle_bytes = tswap32(fh->handle_bytes); | |
6258 | target_fh->handle_type = tswap32(fh->handle_type); | |
6259 | g_free(fh); | |
6260 | unlock_user(target_fh, handle, total_size); | |
6261 | ||
6262 | if (put_user_s32(mid, mount_id)) { | |
6263 | return -TARGET_EFAULT; | |
6264 | } | |
6265 | ||
6266 | return ret; | |
6267 | ||
6268 | } | |
6269 | #endif | |
6270 | ||
6271 | #if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) | |
6272 | static abi_long do_open_by_handle_at(abi_long mount_fd, abi_long handle, | |
6273 | abi_long flags) | |
6274 | { | |
6275 | struct file_handle *target_fh; | |
6276 | struct file_handle *fh; | |
6277 | unsigned int size, total_size; | |
6278 | abi_long ret; | |
6279 | ||
6280 | if (get_user_s32(size, handle)) { | |
6281 | return -TARGET_EFAULT; | |
6282 | } | |
6283 | ||
6284 | total_size = sizeof(struct file_handle) + size; | |
6285 | target_fh = lock_user(VERIFY_READ, handle, total_size, 1); | |
6286 | if (!target_fh) { | |
6287 | return -TARGET_EFAULT; | |
6288 | } | |
6289 | ||
e9d49d51 | 6290 | fh = g_memdup(target_fh, total_size); |
0f0426f3 LV |
6291 | fh->handle_bytes = size; |
6292 | fh->handle_type = tswap32(target_fh->handle_type); | |
6293 | ||
6294 | ret = get_errno(open_by_handle_at(mount_fd, fh, | |
6295 | target_to_host_bitmask(flags, fcntl_flags_tbl))); | |
6296 | ||
6297 | g_free(fh); | |
6298 | ||
6299 | unlock_user(target_fh, handle, total_size); | |
6300 | ||
6301 | return ret; | |
6302 | } | |
6303 | #endif | |
bd0c5661 | 6304 | |
e36800c9 LV |
6305 | #if defined(TARGET_NR_signalfd) || defined(TARGET_NR_signalfd4) |
6306 | ||
e36800c9 LV |
6307 | static abi_long do_signalfd4(int fd, abi_long mask, int flags) |
6308 | { | |
6309 | int host_flags; | |
6310 | target_sigset_t *target_mask; | |
6311 | sigset_t host_mask; | |
6312 | abi_long ret; | |
6313 | ||
6314 | if (flags & ~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC)) { | |
6315 | return -TARGET_EINVAL; | |
6316 | } | |
6317 | if (!lock_user_struct(VERIFY_READ, target_mask, mask, 1)) { | |
6318 | return -TARGET_EFAULT; | |
6319 | } | |
6320 | ||
6321 | target_to_host_sigset(&host_mask, target_mask); | |
6322 | ||
6323 | host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl); | |
6324 | ||
6325 | ret = get_errno(signalfd(fd, &host_mask, host_flags)); | |
6326 | if (ret >= 0) { | |
6327 | fd_trans_register(ret, &target_signalfd_trans); | |
6328 | } | |
6329 | ||
6330 | unlock_user_struct(target_mask, mask, 0); | |
6331 | ||
6332 | return ret; | |
6333 | } | |
6334 | #endif | |
6335 | ||
1d9d8b55 PB |
6336 | /* Map host to target signal numbers for the wait family of syscalls. |
6337 | Assume all other status bits are the same. */ | |
a05c6409 | 6338 | int host_to_target_waitstatus(int status) |
1d9d8b55 PB |
6339 | { |
6340 | if (WIFSIGNALED(status)) { | |
6341 | return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f); | |
6342 | } | |
6343 | if (WIFSTOPPED(status)) { | |
6344 | return (host_to_target_signal(WSTOPSIG(status)) << 8) | |
6345 | | (status & 0xff); | |
6346 | } | |
6347 | return status; | |
6348 | } | |
6349 | ||
76b94245 WVS |
6350 | static int open_self_cmdline(void *cpu_env, int fd) |
6351 | { | |
58de8b96 AS |
6352 | CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env); |
6353 | struct linux_binprm *bprm = ((TaskState *)cpu->opaque)->bprm; | |
6354 | int i; | |
76b94245 | 6355 | |
58de8b96 AS |
6356 | for (i = 0; i < bprm->argc; i++) { |
6357 | size_t len = strlen(bprm->argv[i]) + 1; | |
76b94245 | 6358 | |
58de8b96 | 6359 | if (write(fd, bprm->argv[i], len) != len) { |
76b94245 | 6360 | return -1; |
76b94245 WVS |
6361 | } |
6362 | } | |
6363 | ||
58de8b96 | 6364 | return 0; |
76b94245 WVS |
6365 | } |
6366 | ||
36c08d49 AG |
6367 | static int open_self_maps(void *cpu_env, int fd) |
6368 | { | |
0429a971 AF |
6369 | CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env); |
6370 | TaskState *ts = cpu->opaque; | |
1a49ef2a AG |
6371 | FILE *fp; |
6372 | char *line = NULL; | |
6373 | size_t len = 0; | |
6374 | ssize_t read; | |
6375 | ||
6376 | fp = fopen("/proc/self/maps", "r"); | |
6377 | if (fp == NULL) { | |
a3ca7bb2 | 6378 | return -1; |
1a49ef2a | 6379 | } |
36c08d49 | 6380 | |
1a49ef2a AG |
6381 | while ((read = getline(&line, &len, fp)) != -1) { |
6382 | int fields, dev_maj, dev_min, inode; | |
6383 | uint64_t min, max, offset; | |
6384 | char flag_r, flag_w, flag_x, flag_p; | |
6385 | char path[512] = ""; | |
6386 | fields = sscanf(line, "%"PRIx64"-%"PRIx64" %c%c%c%c %"PRIx64" %x:%x %d" | |
6387 | " %512s", &min, &max, &flag_r, &flag_w, &flag_x, | |
6388 | &flag_p, &offset, &dev_maj, &dev_min, &inode, path); | |
6389 | ||
6390 | if ((fields < 10) || (fields > 11)) { | |
6391 | continue; | |
6392 | } | |
d67f4aaa MI |
6393 | if (h2g_valid(min)) { |
6394 | int flags = page_get_flags(h2g(min)); | |
ebf9a363 | 6395 | max = h2g_valid(max - 1) ? max : (uintptr_t)g2h(GUEST_ADDR_MAX) + 1; |
d67f4aaa MI |
6396 | if (page_check_range(h2g(min), max - min, flags) == -1) { |
6397 | continue; | |
6398 | } | |
6399 | if (h2g(min) == ts->info->stack_limit) { | |
6400 | pstrcpy(path, sizeof(path), " [stack]"); | |
6401 | } | |
3e23de15 | 6402 | dprintf(fd, TARGET_ABI_FMT_ptr "-" TARGET_ABI_FMT_ptr |
e24fed4e | 6403 | " %c%c%c%c %08" PRIx64 " %02x:%02x %d %s%s\n", |
d67f4aaa | 6404 | h2g(min), h2g(max - 1) + 1, flag_r, flag_w, |
1a49ef2a | 6405 | flag_x, flag_p, offset, dev_maj, dev_min, inode, |
e24fed4e | 6406 | path[0] ? " " : "", path); |
1a49ef2a AG |
6407 | } |
6408 | } | |
6409 | ||
6410 | free(line); | |
6411 | fclose(fp); | |
6412 | ||
36c08d49 AG |
6413 | return 0; |
6414 | } | |
6415 | ||
480b8e7d AG |
6416 | static int open_self_stat(void *cpu_env, int fd) |
6417 | { | |
0429a971 AF |
6418 | CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env); |
6419 | TaskState *ts = cpu->opaque; | |
480b8e7d AG |
6420 | abi_ulong start_stack = ts->info->start_stack; |
6421 | int i; | |
6422 | ||
6423 | for (i = 0; i < 44; i++) { | |
6424 | char buf[128]; | |
6425 | int len; | |
6426 | uint64_t val = 0; | |
6427 | ||
e0e65bee FE |
6428 | if (i == 0) { |
6429 | /* pid */ | |
6430 | val = getpid(); | |
6431 | snprintf(buf, sizeof(buf), "%"PRId64 " ", val); | |
6432 | } else if (i == 1) { | |
6433 | /* app name */ | |
6434 | snprintf(buf, sizeof(buf), "(%s) ", ts->bprm->argv[0]); | |
6435 | } else if (i == 27) { | |
6436 | /* stack bottom */ | |
6437 | val = start_stack; | |
6438 | snprintf(buf, sizeof(buf), "%"PRId64 " ", val); | |
6439 | } else { | |
6440 | /* for the rest, there is MasterCard */ | |
6441 | snprintf(buf, sizeof(buf), "0%c", i == 43 ? '\n' : ' '); | |
480b8e7d | 6442 | } |
e0e65bee | 6443 | |
480b8e7d AG |
6444 | len = strlen(buf); |
6445 | if (write(fd, buf, len) != len) { | |
6446 | return -1; | |
6447 | } | |
6448 | } | |
6449 | ||
6450 | return 0; | |
6451 | } | |
6452 | ||
257450ee AG |
6453 | static int open_self_auxv(void *cpu_env, int fd) |
6454 | { | |
0429a971 AF |
6455 | CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env); |
6456 | TaskState *ts = cpu->opaque; | |
257450ee AG |
6457 | abi_ulong auxv = ts->info->saved_auxv; |
6458 | abi_ulong len = ts->info->auxv_len; | |
6459 | char *ptr; | |
6460 | ||
6461 | /* | |
6462 | * Auxiliary vector is stored in target process stack. | |
6463 | * read in whole auxv vector and copy it to file | |
6464 | */ | |
6465 | ptr = lock_user(VERIFY_READ, auxv, len, 0); | |
6466 | if (ptr != NULL) { | |
6467 | while (len > 0) { | |
6468 | ssize_t r; | |
6469 | r = write(fd, ptr, len); | |
6470 | if (r <= 0) { | |
6471 | break; | |
6472 | } | |
6473 | len -= r; | |
6474 | ptr += r; | |
6475 | } | |
6476 | lseek(fd, 0, SEEK_SET); | |
6477 | unlock_user(ptr, auxv, len); | |
6478 | } | |
6479 | ||
6480 | return 0; | |
6481 | } | |
6482 | ||
463d8e73 AS |
6483 | static int is_proc_myself(const char *filename, const char *entry) |
6484 | { | |
6485 | if (!strncmp(filename, "/proc/", strlen("/proc/"))) { | |
6486 | filename += strlen("/proc/"); | |
6487 | if (!strncmp(filename, "self/", strlen("self/"))) { | |
6488 | filename += strlen("self/"); | |
6489 | } else if (*filename >= '1' && *filename <= '9') { | |
6490 | char myself[80]; | |
6491 | snprintf(myself, sizeof(myself), "%d/", getpid()); | |
6492 | if (!strncmp(filename, myself, strlen(myself))) { | |
6493 | filename += strlen(myself); | |
6494 | } else { | |
6495 | return 0; | |
6496 | } | |
6497 | } else { | |
6498 | return 0; | |
6499 | } | |
6500 | if (!strcmp(filename, entry)) { | |
6501 | return 1; | |
6502 | } | |
6503 | } | |
6504 | return 0; | |
6505 | } | |
6506 | ||
de6b9933 LV |
6507 | #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) |
6508 | static int is_proc(const char *filename, const char *entry) | |
6509 | { | |
6510 | return strcmp(filename, entry) == 0; | |
6511 | } | |
6512 | ||
6513 | static int open_net_route(void *cpu_env, int fd) | |
6514 | { | |
6515 | FILE *fp; | |
6516 | char *line = NULL; | |
6517 | size_t len = 0; | |
6518 | ssize_t read; | |
6519 | ||
6520 | fp = fopen("/proc/net/route", "r"); | |
6521 | if (fp == NULL) { | |
a3ca7bb2 | 6522 | return -1; |
de6b9933 LV |
6523 | } |
6524 | ||
6525 | /* read header */ | |
6526 | ||
6527 | read = getline(&line, &len, fp); | |
6528 | dprintf(fd, "%s", line); | |
6529 | ||
6530 | /* read routes */ | |
6531 | ||
6532 | while ((read = getline(&line, &len, fp)) != -1) { | |
6533 | char iface[16]; | |
6534 | uint32_t dest, gw, mask; | |
6535 | unsigned int flags, refcnt, use, metric, mtu, window, irtt; | |
6536 | sscanf(line, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n", | |
6537 | iface, &dest, &gw, &flags, &refcnt, &use, &metric, | |
6538 | &mask, &mtu, &window, &irtt); | |
6539 | dprintf(fd, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n", | |
6540 | iface, tswap32(dest), tswap32(gw), flags, refcnt, use, | |
6541 | metric, tswap32(mask), mtu, window, irtt); | |
6542 | } | |
6543 | ||
6544 | free(line); | |
6545 | fclose(fp); | |
6546 | ||
6547 | return 0; | |
6548 | } | |
6549 | #endif | |
6550 | ||
0b2effd7 | 6551 | static int do_openat(void *cpu_env, int dirfd, const char *pathname, int flags, mode_t mode) |
3be14d05 AG |
6552 | { |
6553 | struct fake_open { | |
6554 | const char *filename; | |
6555 | int (*fill)(void *cpu_env, int fd); | |
de6b9933 | 6556 | int (*cmp)(const char *s1, const char *s2); |
3be14d05 AG |
6557 | }; |
6558 | const struct fake_open *fake_open; | |
6559 | static const struct fake_open fakes[] = { | |
de6b9933 LV |
6560 | { "maps", open_self_maps, is_proc_myself }, |
6561 | { "stat", open_self_stat, is_proc_myself }, | |
6562 | { "auxv", open_self_auxv, is_proc_myself }, | |
76b94245 | 6563 | { "cmdline", open_self_cmdline, is_proc_myself }, |
de6b9933 LV |
6564 | #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) |
6565 | { "/proc/net/route", open_net_route, is_proc }, | |
6566 | #endif | |
6567 | { NULL, NULL, NULL } | |
3be14d05 AG |
6568 | }; |
6569 | ||
aa07f5ec MO |
6570 | if (is_proc_myself(pathname, "exe")) { |
6571 | int execfd = qemu_getauxval(AT_EXECFD); | |
c10a0738 | 6572 | return execfd ? execfd : safe_openat(dirfd, exec_path, flags, mode); |
aa07f5ec MO |
6573 | } |
6574 | ||
3be14d05 | 6575 | for (fake_open = fakes; fake_open->filename; fake_open++) { |
de6b9933 | 6576 | if (fake_open->cmp(pathname, fake_open->filename)) { |
3be14d05 AG |
6577 | break; |
6578 | } | |
6579 | } | |
6580 | ||
6581 | if (fake_open->filename) { | |
6582 | const char *tmpdir; | |
6583 | char filename[PATH_MAX]; | |
6584 | int fd, r; | |
6585 | ||
6586 | /* create temporary file to map stat to */ | |
6587 | tmpdir = getenv("TMPDIR"); | |
6588 | if (!tmpdir) | |
6589 | tmpdir = "/tmp"; | |
6590 | snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir); | |
6591 | fd = mkstemp(filename); | |
6592 | if (fd < 0) { | |
6593 | return fd; | |
6594 | } | |
6595 | unlink(filename); | |
6596 | ||
6597 | if ((r = fake_open->fill(cpu_env, fd))) { | |
a3ca7bb2 | 6598 | int e = errno; |
3be14d05 | 6599 | close(fd); |
a3ca7bb2 | 6600 | errno = e; |
3be14d05 AG |
6601 | return r; |
6602 | } | |
6603 | lseek(fd, 0, SEEK_SET); | |
6604 | ||
6605 | return fd; | |
6606 | } | |
6607 | ||
c10a0738 | 6608 | return safe_openat(dirfd, path(pathname), flags, mode); |
3be14d05 AG |
6609 | } |
6610 | ||
aecc8861 AG |
6611 | #define TIMER_MAGIC 0x0caf0000 |
6612 | #define TIMER_MAGIC_MASK 0xffff0000 | |
6613 | ||
6614 | /* Convert QEMU provided timer ID back to internal 16bit index format */ | |
6615 | static target_timer_t get_timer_id(abi_long arg) | |
6616 | { | |
6617 | target_timer_t timerid = arg; | |
6618 | ||
6619 | if ((timerid & TIMER_MAGIC_MASK) != TIMER_MAGIC) { | |
6620 | return -TARGET_EINVAL; | |
6621 | } | |
6622 | ||
6623 | timerid &= 0xffff; | |
6624 | ||
6625 | if (timerid >= ARRAY_SIZE(g_posix_timers)) { | |
6626 | return -TARGET_EINVAL; | |
6627 | } | |
6628 | ||
6629 | return timerid; | |
6630 | } | |
6631 | ||
2e0a8713 ST |
6632 | static int target_to_host_cpu_mask(unsigned long *host_mask, |
6633 | size_t host_size, | |
6634 | abi_ulong target_addr, | |
6635 | size_t target_size) | |
6636 | { | |
6637 | unsigned target_bits = sizeof(abi_ulong) * 8; | |
6638 | unsigned host_bits = sizeof(*host_mask) * 8; | |
6639 | abi_ulong *target_mask; | |
6640 | unsigned i, j; | |
6641 | ||
6642 | assert(host_size >= target_size); | |
6643 | ||
6644 | target_mask = lock_user(VERIFY_READ, target_addr, target_size, 1); | |
6645 | if (!target_mask) { | |
6646 | return -TARGET_EFAULT; | |
6647 | } | |
6648 | memset(host_mask, 0, host_size); | |
6649 | ||
6650 | for (i = 0 ; i < target_size / sizeof(abi_ulong); i++) { | |
6651 | unsigned bit = i * target_bits; | |
6652 | abi_ulong val; | |
6653 | ||
6654 | __get_user(val, &target_mask[i]); | |
6655 | for (j = 0; j < target_bits; j++, bit++) { | |
6656 | if (val & (1UL << j)) { | |
6657 | host_mask[bit / host_bits] |= 1UL << (bit % host_bits); | |
6658 | } | |
6659 | } | |
6660 | } | |
6661 | ||
6662 | unlock_user(target_mask, target_addr, 0); | |
6663 | return 0; | |
6664 | } | |
6665 | ||
6666 | static int host_to_target_cpu_mask(const unsigned long *host_mask, | |
6667 | size_t host_size, | |
6668 | abi_ulong target_addr, | |
6669 | size_t target_size) | |
6670 | { | |
6671 | unsigned target_bits = sizeof(abi_ulong) * 8; | |
6672 | unsigned host_bits = sizeof(*host_mask) * 8; | |
6673 | abi_ulong *target_mask; | |
6674 | unsigned i, j; | |
6675 | ||
6676 | assert(host_size >= target_size); | |
6677 | ||
6678 | target_mask = lock_user(VERIFY_WRITE, target_addr, target_size, 0); | |
6679 | if (!target_mask) { | |
6680 | return -TARGET_EFAULT; | |
6681 | } | |
6682 | ||
6683 | for (i = 0 ; i < target_size / sizeof(abi_ulong); i++) { | |
6684 | unsigned bit = i * target_bits; | |
6685 | abi_ulong val = 0; | |
6686 | ||
6687 | for (j = 0; j < target_bits; j++, bit++) { | |
6688 | if (host_mask[bit / host_bits] & (1UL << (bit % host_bits))) { | |
6689 | val |= 1UL << j; | |
6690 | } | |
6691 | } | |
6692 | __put_user(val, &target_mask[i]); | |
6693 | } | |
6694 | ||
6695 | unlock_user(target_mask, target_addr, target_size); | |
6696 | return 0; | |
6697 | } | |
6698 | ||
dc1ce18b RH |
6699 | /* This is an internal helper for do_syscall so that it is easier |
6700 | * to have a single return point, so that actions, such as logging | |
6701 | * of syscall results, can be performed. | |
6702 | * All errnos that do_syscall() returns must be -TARGET_<errcode>. | |
6703 | */ | |
6704 | static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, | |
6705 | abi_long arg2, abi_long arg3, abi_long arg4, | |
6706 | abi_long arg5, abi_long arg6, abi_long arg7, | |
6707 | abi_long arg8) | |
31e31b8a | 6708 | { |
182735ef | 6709 | CPUState *cpu = ENV_GET_CPU(cpu_env); |
992f48a0 | 6710 | abi_long ret; |
4f7f8924 AR |
6711 | #if defined(TARGET_NR_stat) || defined(TARGET_NR_stat64) \ |
6712 | || defined(TARGET_NR_lstat) || defined(TARGET_NR_lstat64) \ | |
6713 | || defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64) | |
31e31b8a | 6714 | struct stat st; |
4f7f8924 AR |
6715 | #endif |
6716 | #if defined(TARGET_NR_statfs) || defined(TARGET_NR_statfs64) \ | |
6717 | || defined(TARGET_NR_fstatfs) | |
56c8f68f | 6718 | struct statfs stfs; |
4f7f8924 | 6719 | #endif |
53a5960a | 6720 | void *p; |
3b46e624 | 6721 | |
31e31b8a FB |
6722 | switch(num) { |
6723 | case TARGET_NR_exit: | |
9b056fcc AF |
6724 | /* In old applications this may be used to implement _exit(2). |
6725 | However in threaded applictions it is used for thread termination, | |
6726 | and _exit_group is used for application termination. | |
6727 | Do thread termination if we have more then one thread. */ | |
a0995886 TB |
6728 | |
6729 | if (block_signals()) { | |
72eb7ea8 | 6730 | return -TARGET_ERESTARTSYS; |
a0995886 TB |
6731 | } |
6732 | ||
dd1f6349 AB |
6733 | cpu_list_lock(); |
6734 | ||
bdc44640 | 6735 | if (CPU_NEXT(first_cpu)) { |
9b056fcc | 6736 | TaskState *ts; |
9b056fcc | 6737 | |
9b056fcc | 6738 | /* Remove the CPU from the list. */ |
068a5ea0 | 6739 | QTAILQ_REMOVE_RCU(&cpus, cpu, node); |
dd1f6349 | 6740 | |
9b056fcc | 6741 | cpu_list_unlock(); |
dd1f6349 | 6742 | |
0429a971 | 6743 | ts = cpu->opaque; |
9b056fcc AF |
6744 | if (ts->child_tidptr) { |
6745 | put_user_u32(0, ts->child_tidptr); | |
6746 | sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX, | |
6747 | NULL, NULL, 0); | |
6748 | } | |
a2247f8e | 6749 | thread_cpu = NULL; |
0429a971 | 6750 | object_unref(OBJECT(cpu)); |
9b056fcc | 6751 | g_free(ts); |
70903763 | 6752 | rcu_unregister_thread(); |
9b056fcc AF |
6753 | pthread_exit(NULL); |
6754 | } | |
dd1f6349 AB |
6755 | |
6756 | cpu_list_unlock(); | |
708b6a64 | 6757 | preexit_cleanup(cpu_env, arg1); |
c2764719 | 6758 | _exit(arg1); |
72eb7ea8 | 6759 | return 0; /* avoid warning */ |
31e31b8a | 6760 | case TARGET_NR_read: |
72eb7ea8 RH |
6761 | if (arg3 == 0) { |
6762 | return 0; | |
6763 | } else { | |
38d840e6 | 6764 | if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) |
2852aafd | 6765 | return -TARGET_EFAULT; |
50afd02b | 6766 | ret = get_errno(safe_read(arg1, p, arg3)); |
e36800c9 | 6767 | if (ret >= 0 && |
5d4d3665 LV |
6768 | fd_trans_host_to_target_data(arg1)) { |
6769 | ret = fd_trans_host_to_target_data(arg1)(p, ret); | |
e36800c9 | 6770 | } |
38d840e6 AJ |
6771 | unlock_user(p, arg2, ret); |
6772 | } | |
72eb7ea8 | 6773 | return ret; |
31e31b8a | 6774 | case TARGET_NR_write: |
579a97f7 | 6775 | if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
2852aafd | 6776 | return -TARGET_EFAULT; |
04b9bcf9 LV |
6777 | if (fd_trans_target_to_host_data(arg1)) { |
6778 | void *copy = g_malloc(arg3); | |
6779 | memcpy(copy, p, arg3); | |
6780 | ret = fd_trans_target_to_host_data(arg1)(copy, arg3); | |
6781 | if (ret >= 0) { | |
6782 | ret = get_errno(safe_write(arg1, copy, ret)); | |
6783 | } | |
6784 | g_free(copy); | |
6785 | } else { | |
6786 | ret = get_errno(safe_write(arg1, p, arg3)); | |
6787 | } | |
53a5960a | 6788 | unlock_user(p, arg2, 0); |
72eb7ea8 RH |
6789 | return ret; |
6790 | ||
704eff6c | 6791 | #ifdef TARGET_NR_open |
31e31b8a | 6792 | case TARGET_NR_open: |
2f619698 | 6793 | if (!(p = lock_user_string(arg1))) |
2852aafd | 6794 | return -TARGET_EFAULT; |
0b2effd7 RV |
6795 | ret = get_errno(do_openat(cpu_env, AT_FDCWD, p, |
6796 | target_to_host_bitmask(arg2, fcntl_flags_tbl), | |
6797 | arg3)); | |
e36800c9 | 6798 | fd_trans_unregister(ret); |
53a5960a | 6799 | unlock_user(p, arg1, 0); |
72eb7ea8 | 6800 | return ret; |
704eff6c | 6801 | #endif |
82424832 | 6802 | case TARGET_NR_openat: |
579a97f7 | 6803 | if (!(p = lock_user_string(arg2))) |
2852aafd | 6804 | return -TARGET_EFAULT; |
0b2effd7 RV |
6805 | ret = get_errno(do_openat(cpu_env, arg1, p, |
6806 | target_to_host_bitmask(arg3, fcntl_flags_tbl), | |
6807 | arg4)); | |
e36800c9 | 6808 | fd_trans_unregister(ret); |
579a97f7 | 6809 | unlock_user(p, arg2, 0); |
72eb7ea8 | 6810 | return ret; |
0f0426f3 LV |
6811 | #if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) |
6812 | case TARGET_NR_name_to_handle_at: | |
6813 | ret = do_name_to_handle_at(arg1, arg2, arg3, arg4, arg5); | |
72eb7ea8 | 6814 | return ret; |
0f0426f3 LV |
6815 | #endif |
6816 | #if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) | |
6817 | case TARGET_NR_open_by_handle_at: | |
6818 | ret = do_open_by_handle_at(arg1, arg2, arg3); | |
e36800c9 | 6819 | fd_trans_unregister(ret); |
72eb7ea8 | 6820 | return ret; |
0f0426f3 | 6821 | #endif |
31e31b8a | 6822 | case TARGET_NR_close: |
e36800c9 | 6823 | fd_trans_unregister(arg1); |
72eb7ea8 RH |
6824 | return get_errno(close(arg1)); |
6825 | ||
31e31b8a | 6826 | case TARGET_NR_brk: |
72eb7ea8 | 6827 | return do_brk(arg1); |
704eff6c | 6828 | #ifdef TARGET_NR_fork |
31e31b8a | 6829 | case TARGET_NR_fork: |
72eb7ea8 | 6830 | return get_errno(do_fork(cpu_env, TARGET_SIGCHLD, 0, 0, 0, 0)); |
704eff6c | 6831 | #endif |
e5febef5 | 6832 | #ifdef TARGET_NR_waitpid |
31e31b8a FB |
6833 | case TARGET_NR_waitpid: |
6834 | { | |
53a5960a | 6835 | int status; |
4af80a37 | 6836 | ret = get_errno(safe_wait4(arg1, &status, arg3, 0)); |
5379557b | 6837 | if (!is_error(ret) && arg2 && ret |
1d9d8b55 | 6838 | && put_user_s32(host_to_target_waitstatus(status), arg2)) |
2852aafd | 6839 | return -TARGET_EFAULT; |
31e31b8a | 6840 | } |
72eb7ea8 | 6841 | return ret; |
e5febef5 | 6842 | #endif |
f0cbb613 PB |
6843 | #ifdef TARGET_NR_waitid |
6844 | case TARGET_NR_waitid: | |
6845 | { | |
6846 | siginfo_t info; | |
6847 | info.si_pid = 0; | |
4af80a37 | 6848 | ret = get_errno(safe_waitid(arg1, arg2, &info, arg4, NULL)); |
f0cbb613 | 6849 | if (!is_error(ret) && arg3 && info.si_pid != 0) { |
c227f099 | 6850 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0))) |
2852aafd | 6851 | return -TARGET_EFAULT; |
f0cbb613 | 6852 | host_to_target_siginfo(p, &info); |
c227f099 | 6853 | unlock_user(p, arg3, sizeof(target_siginfo_t)); |
f0cbb613 PB |
6854 | } |
6855 | } | |
72eb7ea8 | 6856 | return ret; |
f0cbb613 | 6857 | #endif |
7a3148a9 | 6858 | #ifdef TARGET_NR_creat /* not on alpha */ |
31e31b8a | 6859 | case TARGET_NR_creat: |
579a97f7 | 6860 | if (!(p = lock_user_string(arg1))) |
2852aafd | 6861 | return -TARGET_EFAULT; |
53a5960a | 6862 | ret = get_errno(creat(p, arg2)); |
e36800c9 | 6863 | fd_trans_unregister(ret); |
53a5960a | 6864 | unlock_user(p, arg1, 0); |
72eb7ea8 | 6865 | return ret; |
7a3148a9 | 6866 | #endif |
704eff6c | 6867 | #ifdef TARGET_NR_link |
31e31b8a | 6868 | case TARGET_NR_link: |
53a5960a PB |
6869 | { |
6870 | void * p2; | |
6871 | p = lock_user_string(arg1); | |
6872 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
6873 | if (!p || !p2) |
6874 | ret = -TARGET_EFAULT; | |
6875 | else | |
6876 | ret = get_errno(link(p, p2)); | |
53a5960a PB |
6877 | unlock_user(p2, arg2, 0); |
6878 | unlock_user(p, arg1, 0); | |
6879 | } | |
72eb7ea8 | 6880 | return ret; |
704eff6c | 6881 | #endif |
c0d472b1 | 6882 | #if defined(TARGET_NR_linkat) |
64f0ce4c | 6883 | case TARGET_NR_linkat: |
64f0ce4c TS |
6884 | { |
6885 | void * p2 = NULL; | |
579a97f7 | 6886 | if (!arg2 || !arg4) |
2852aafd | 6887 | return -TARGET_EFAULT; |
64f0ce4c TS |
6888 | p = lock_user_string(arg2); |
6889 | p2 = lock_user_string(arg4); | |
579a97f7 | 6890 | if (!p || !p2) |
0da46a6e | 6891 | ret = -TARGET_EFAULT; |
64f0ce4c | 6892 | else |
c0d472b1 | 6893 | ret = get_errno(linkat(arg1, p, arg3, p2, arg5)); |
579a97f7 FB |
6894 | unlock_user(p, arg2, 0); |
6895 | unlock_user(p2, arg4, 0); | |
64f0ce4c | 6896 | } |
72eb7ea8 | 6897 | return ret; |
64f0ce4c | 6898 | #endif |
704eff6c | 6899 | #ifdef TARGET_NR_unlink |
31e31b8a | 6900 | case TARGET_NR_unlink: |
579a97f7 | 6901 | if (!(p = lock_user_string(arg1))) |
2852aafd | 6902 | return -TARGET_EFAULT; |
53a5960a PB |
6903 | ret = get_errno(unlink(p)); |
6904 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 6905 | return ret; |
704eff6c | 6906 | #endif |
c0d472b1 | 6907 | #if defined(TARGET_NR_unlinkat) |
8170f56b | 6908 | case TARGET_NR_unlinkat: |
579a97f7 | 6909 | if (!(p = lock_user_string(arg2))) |
2852aafd | 6910 | return -TARGET_EFAULT; |
c0d472b1 | 6911 | ret = get_errno(unlinkat(arg1, p, arg3)); |
579a97f7 | 6912 | unlock_user(p, arg2, 0); |
72eb7ea8 | 6913 | return ret; |
b7d35e65 | 6914 | #endif |
31e31b8a | 6915 | case TARGET_NR_execve: |
7854b056 FB |
6916 | { |
6917 | char **argp, **envp; | |
f7341ff4 | 6918 | int argc, envc; |
992f48a0 BS |
6919 | abi_ulong gp; |
6920 | abi_ulong guest_argp; | |
6921 | abi_ulong guest_envp; | |
6922 | abi_ulong addr; | |
7854b056 | 6923 | char **q; |
a6f79cc9 | 6924 | int total_size = 0; |
7854b056 | 6925 | |
f7341ff4 | 6926 | argc = 0; |
53a5960a | 6927 | guest_argp = arg2; |
da94d263 | 6928 | for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) { |
03aa1976 | 6929 | if (get_user_ual(addr, gp)) |
2852aafd | 6930 | return -TARGET_EFAULT; |
03aa1976 | 6931 | if (!addr) |
2f619698 | 6932 | break; |
7854b056 | 6933 | argc++; |
2f619698 | 6934 | } |
f7341ff4 | 6935 | envc = 0; |
53a5960a | 6936 | guest_envp = arg3; |
da94d263 | 6937 | for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) { |
03aa1976 | 6938 | if (get_user_ual(addr, gp)) |
2852aafd | 6939 | return -TARGET_EFAULT; |
03aa1976 | 6940 | if (!addr) |
2f619698 | 6941 | break; |
7854b056 | 6942 | envc++; |
2f619698 | 6943 | } |
7854b056 | 6944 | |
b936cb50 PP |
6945 | argp = g_new0(char *, argc + 1); |
6946 | envp = g_new0(char *, envc + 1); | |
7854b056 | 6947 | |
da94d263 | 6948 | for (gp = guest_argp, q = argp; gp; |
992f48a0 | 6949 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
6950 | if (get_user_ual(addr, gp)) |
6951 | goto execve_efault; | |
53a5960a PB |
6952 | if (!addr) |
6953 | break; | |
2f619698 FB |
6954 | if (!(*q = lock_user_string(addr))) |
6955 | goto execve_efault; | |
a6f79cc9 | 6956 | total_size += strlen(*q) + 1; |
53a5960a | 6957 | } |
f7341ff4 FB |
6958 | *q = NULL; |
6959 | ||
da94d263 | 6960 | for (gp = guest_envp, q = envp; gp; |
992f48a0 | 6961 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
6962 | if (get_user_ual(addr, gp)) |
6963 | goto execve_efault; | |
53a5960a PB |
6964 | if (!addr) |
6965 | break; | |
2f619698 FB |
6966 | if (!(*q = lock_user_string(addr))) |
6967 | goto execve_efault; | |
a6f79cc9 | 6968 | total_size += strlen(*q) + 1; |
53a5960a | 6969 | } |
f7341ff4 | 6970 | *q = NULL; |
7854b056 | 6971 | |
2f619698 FB |
6972 | if (!(p = lock_user_string(arg1))) |
6973 | goto execve_efault; | |
ffdcbe22 TB |
6974 | /* Although execve() is not an interruptible syscall it is |
6975 | * a special case where we must use the safe_syscall wrapper: | |
6976 | * if we allow a signal to happen before we make the host | |
6977 | * syscall then we will 'lose' it, because at the point of | |
6978 | * execve the process leaves QEMU's control. So we use the | |
6979 | * safe syscall wrapper to ensure that we either take the | |
6980 | * signal as a guest signal, or else it does not happen | |
6981 | * before the execve completes and makes it the other | |
6982 | * program's problem. | |
6983 | */ | |
6984 | ret = get_errno(safe_execve(p, argp, envp)); | |
53a5960a PB |
6985 | unlock_user(p, arg1, 0); |
6986 | ||
2f619698 FB |
6987 | goto execve_end; |
6988 | ||
6989 | execve_efault: | |
6990 | ret = -TARGET_EFAULT; | |
6991 | ||
6992 | execve_end: | |
53a5960a | 6993 | for (gp = guest_argp, q = argp; *q; |
992f48a0 | 6994 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
6995 | if (get_user_ual(addr, gp) |
6996 | || !addr) | |
6997 | break; | |
53a5960a PB |
6998 | unlock_user(*q, addr, 0); |
6999 | } | |
7000 | for (gp = guest_envp, q = envp; *q; | |
992f48a0 | 7001 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
7002 | if (get_user_ual(addr, gp) |
7003 | || !addr) | |
7004 | break; | |
53a5960a PB |
7005 | unlock_user(*q, addr, 0); |
7006 | } | |
b936cb50 PP |
7007 | |
7008 | g_free(argp); | |
7009 | g_free(envp); | |
7854b056 | 7010 | } |
72eb7ea8 | 7011 | return ret; |
31e31b8a | 7012 | case TARGET_NR_chdir: |
579a97f7 | 7013 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7014 | return -TARGET_EFAULT; |
53a5960a PB |
7015 | ret = get_errno(chdir(p)); |
7016 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 7017 | return ret; |
a315a145 | 7018 | #ifdef TARGET_NR_time |
31e31b8a FB |
7019 | case TARGET_NR_time: |
7020 | { | |
53a5960a PB |
7021 | time_t host_time; |
7022 | ret = get_errno(time(&host_time)); | |
2f619698 FB |
7023 | if (!is_error(ret) |
7024 | && arg1 | |
7025 | && put_user_sal(host_time, arg1)) | |
2852aafd | 7026 | return -TARGET_EFAULT; |
31e31b8a | 7027 | } |
72eb7ea8 | 7028 | return ret; |
a315a145 | 7029 | #endif |
704eff6c | 7030 | #ifdef TARGET_NR_mknod |
31e31b8a | 7031 | case TARGET_NR_mknod: |
579a97f7 | 7032 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7033 | return -TARGET_EFAULT; |
53a5960a PB |
7034 | ret = get_errno(mknod(p, arg2, arg3)); |
7035 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 7036 | return ret; |
704eff6c | 7037 | #endif |
c0d472b1 | 7038 | #if defined(TARGET_NR_mknodat) |
75ac37a0 | 7039 | case TARGET_NR_mknodat: |
579a97f7 | 7040 | if (!(p = lock_user_string(arg2))) |
2852aafd | 7041 | return -TARGET_EFAULT; |
c0d472b1 | 7042 | ret = get_errno(mknodat(arg1, p, arg3, arg4)); |
579a97f7 | 7043 | unlock_user(p, arg2, 0); |
72eb7ea8 | 7044 | return ret; |
75ac37a0 | 7045 | #endif |
704eff6c | 7046 | #ifdef TARGET_NR_chmod |
31e31b8a | 7047 | case TARGET_NR_chmod: |
579a97f7 | 7048 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7049 | return -TARGET_EFAULT; |
53a5960a PB |
7050 | ret = get_errno(chmod(p, arg2)); |
7051 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 7052 | return ret; |
704eff6c | 7053 | #endif |
4f7f8924 | 7054 | #ifdef TARGET_NR_lseek |
31e31b8a | 7055 | case TARGET_NR_lseek: |
72eb7ea8 | 7056 | return get_errno(lseek(arg1, arg2, arg3)); |
4f7f8924 | 7057 | #endif |
9231733a RH |
7058 | #if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA) |
7059 | /* Alpha specific */ | |
7a3148a9 | 7060 | case TARGET_NR_getxpid: |
9231733a | 7061 | ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid(); |
72eb7ea8 | 7062 | return get_errno(getpid()); |
7a3148a9 | 7063 | #endif |
9231733a RH |
7064 | #ifdef TARGET_NR_getpid |
7065 | case TARGET_NR_getpid: | |
72eb7ea8 | 7066 | return get_errno(getpid()); |
9231733a | 7067 | #endif |
31e31b8a | 7068 | case TARGET_NR_mount: |
356d771b PB |
7069 | { |
7070 | /* need to look at the data field */ | |
7071 | void *p2, *p3; | |
7072 | ||
7073 | if (arg1) { | |
7074 | p = lock_user_string(arg1); | |
7075 | if (!p) { | |
2852aafd | 7076 | return -TARGET_EFAULT; |
356d771b PB |
7077 | } |
7078 | } else { | |
7079 | p = NULL; | |
7080 | } | |
7081 | ||
7082 | p2 = lock_user_string(arg2); | |
7083 | if (!p2) { | |
7084 | if (arg1) { | |
7085 | unlock_user(p, arg1, 0); | |
7086 | } | |
2852aafd | 7087 | return -TARGET_EFAULT; |
356d771b PB |
7088 | } |
7089 | ||
7090 | if (arg3) { | |
7091 | p3 = lock_user_string(arg3); | |
7092 | if (!p3) { | |
7093 | if (arg1) { | |
579a97f7 | 7094 | unlock_user(p, arg1, 0); |
356d771b PB |
7095 | } |
7096 | unlock_user(p2, arg2, 0); | |
2852aafd | 7097 | return -TARGET_EFAULT; |
356d771b PB |
7098 | } |
7099 | } else { | |
7100 | p3 = NULL; | |
7101 | } | |
7102 | ||
7103 | /* FIXME - arg5 should be locked, but it isn't clear how to | |
7104 | * do that since it's not guaranteed to be a NULL-terminated | |
7105 | * string. | |
7106 | */ | |
7107 | if (!arg5) { | |
7108 | ret = mount(p, p2, p3, (unsigned long)arg4, NULL); | |
7109 | } else { | |
7110 | ret = mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)); | |
7111 | } | |
7112 | ret = get_errno(ret); | |
7113 | ||
7114 | if (arg1) { | |
7115 | unlock_user(p, arg1, 0); | |
7116 | } | |
7117 | unlock_user(p2, arg2, 0); | |
7118 | if (arg3) { | |
7119 | unlock_user(p3, arg3, 0); | |
7120 | } | |
7121 | } | |
72eb7ea8 | 7122 | return ret; |
e5febef5 | 7123 | #ifdef TARGET_NR_umount |
31e31b8a | 7124 | case TARGET_NR_umount: |
579a97f7 | 7125 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7126 | return -TARGET_EFAULT; |
53a5960a PB |
7127 | ret = get_errno(umount(p)); |
7128 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 7129 | return ret; |
e5febef5 | 7130 | #endif |
7a3148a9 | 7131 | #ifdef TARGET_NR_stime /* not on alpha */ |
31e31b8a FB |
7132 | case TARGET_NR_stime: |
7133 | { | |
53a5960a | 7134 | time_t host_time; |
2f619698 | 7135 | if (get_user_sal(host_time, arg1)) |
2852aafd | 7136 | return -TARGET_EFAULT; |
72eb7ea8 | 7137 | return get_errno(stime(&host_time)); |
31e31b8a | 7138 | } |
7a3148a9 | 7139 | #endif |
7a3148a9 | 7140 | #ifdef TARGET_NR_alarm /* not on alpha */ |
31e31b8a | 7141 | case TARGET_NR_alarm: |
72eb7ea8 | 7142 | return alarm(arg1); |
7a3148a9 | 7143 | #endif |
7a3148a9 | 7144 | #ifdef TARGET_NR_pause /* not on alpha */ |
31e31b8a | 7145 | case TARGET_NR_pause: |
f59ec606 TB |
7146 | if (!block_signals()) { |
7147 | sigsuspend(&((TaskState *)cpu->opaque)->signal_mask); | |
7148 | } | |
72eb7ea8 | 7149 | return -TARGET_EINTR; |
7a3148a9 | 7150 | #endif |
e5febef5 | 7151 | #ifdef TARGET_NR_utime |
31e31b8a | 7152 | case TARGET_NR_utime: |
ebc05488 | 7153 | { |
53a5960a PB |
7154 | struct utimbuf tbuf, *host_tbuf; |
7155 | struct target_utimbuf *target_tbuf; | |
7156 | if (arg2) { | |
579a97f7 | 7157 | if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1)) |
2852aafd | 7158 | return -TARGET_EFAULT; |
cbb21eed MB |
7159 | tbuf.actime = tswapal(target_tbuf->actime); |
7160 | tbuf.modtime = tswapal(target_tbuf->modtime); | |
53a5960a PB |
7161 | unlock_user_struct(target_tbuf, arg2, 0); |
7162 | host_tbuf = &tbuf; | |
f72e8ff4 | 7163 | } else { |
53a5960a | 7164 | host_tbuf = NULL; |
f72e8ff4 | 7165 | } |
579a97f7 | 7166 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7167 | return -TARGET_EFAULT; |
53a5960a PB |
7168 | ret = get_errno(utime(p, host_tbuf)); |
7169 | unlock_user(p, arg1, 0); | |
ebc05488 | 7170 | } |
72eb7ea8 | 7171 | return ret; |
e5febef5 | 7172 | #endif |
704eff6c | 7173 | #ifdef TARGET_NR_utimes |
978a66ff FB |
7174 | case TARGET_NR_utimes: |
7175 | { | |
978a66ff | 7176 | struct timeval *tvp, tv[2]; |
53a5960a | 7177 | if (arg2) { |
788f5ec4 TS |
7178 | if (copy_from_user_timeval(&tv[0], arg2) |
7179 | || copy_from_user_timeval(&tv[1], | |
7180 | arg2 + sizeof(struct target_timeval))) | |
2852aafd | 7181 | return -TARGET_EFAULT; |
978a66ff FB |
7182 | tvp = tv; |
7183 | } else { | |
7184 | tvp = NULL; | |
7185 | } | |
579a97f7 | 7186 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7187 | return -TARGET_EFAULT; |
53a5960a PB |
7188 | ret = get_errno(utimes(p, tvp)); |
7189 | unlock_user(p, arg1, 0); | |
978a66ff | 7190 | } |
72eb7ea8 | 7191 | return ret; |
704eff6c | 7192 | #endif |
c0d472b1 | 7193 | #if defined(TARGET_NR_futimesat) |
ac8a6556 AZ |
7194 | case TARGET_NR_futimesat: |
7195 | { | |
7196 | struct timeval *tvp, tv[2]; | |
7197 | if (arg3) { | |
7198 | if (copy_from_user_timeval(&tv[0], arg3) | |
7199 | || copy_from_user_timeval(&tv[1], | |
7200 | arg3 + sizeof(struct target_timeval))) | |
2852aafd | 7201 | return -TARGET_EFAULT; |
ac8a6556 AZ |
7202 | tvp = tv; |
7203 | } else { | |
7204 | tvp = NULL; | |
7205 | } | |
2852aafd RH |
7206 | if (!(p = lock_user_string(arg2))) { |
7207 | return -TARGET_EFAULT; | |
7208 | } | |
c0d472b1 | 7209 | ret = get_errno(futimesat(arg1, path(p), tvp)); |
ac8a6556 AZ |
7210 | unlock_user(p, arg2, 0); |
7211 | } | |
72eb7ea8 | 7212 | return ret; |
ac8a6556 | 7213 | #endif |
704eff6c | 7214 | #ifdef TARGET_NR_access |
31e31b8a | 7215 | case TARGET_NR_access: |
2852aafd RH |
7216 | if (!(p = lock_user_string(arg1))) { |
7217 | return -TARGET_EFAULT; | |
7218 | } | |
719f908e | 7219 | ret = get_errno(access(path(p), arg2)); |
53a5960a | 7220 | unlock_user(p, arg1, 0); |
72eb7ea8 | 7221 | return ret; |
704eff6c | 7222 | #endif |
92a34c10 TS |
7223 | #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat) |
7224 | case TARGET_NR_faccessat: | |
2852aafd RH |
7225 | if (!(p = lock_user_string(arg2))) { |
7226 | return -TARGET_EFAULT; | |
7227 | } | |
c0d472b1 | 7228 | ret = get_errno(faccessat(arg1, p, arg3, 0)); |
579a97f7 | 7229 | unlock_user(p, arg2, 0); |
72eb7ea8 | 7230 | return ret; |
92a34c10 | 7231 | #endif |
7a3148a9 | 7232 | #ifdef TARGET_NR_nice /* not on alpha */ |
31e31b8a | 7233 | case TARGET_NR_nice: |
72eb7ea8 | 7234 | return get_errno(nice(arg1)); |
ebc05488 | 7235 | #endif |
31e31b8a | 7236 | case TARGET_NR_sync: |
04369ff2 | 7237 | sync(); |
72eb7ea8 | 7238 | return 0; |
5a03cd00 AM |
7239 | #if defined(TARGET_NR_syncfs) && defined(CONFIG_SYNCFS) |
7240 | case TARGET_NR_syncfs: | |
72eb7ea8 | 7241 | return get_errno(syncfs(arg1)); |
5a03cd00 | 7242 | #endif |
31e31b8a | 7243 | case TARGET_NR_kill: |
72eb7ea8 | 7244 | return get_errno(safe_kill(arg1, target_to_host_signal(arg2))); |
704eff6c | 7245 | #ifdef TARGET_NR_rename |
31e31b8a | 7246 | case TARGET_NR_rename: |
53a5960a PB |
7247 | { |
7248 | void *p2; | |
7249 | p = lock_user_string(arg1); | |
7250 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
7251 | if (!p || !p2) |
7252 | ret = -TARGET_EFAULT; | |
7253 | else | |
7254 | ret = get_errno(rename(p, p2)); | |
53a5960a PB |
7255 | unlock_user(p2, arg2, 0); |
7256 | unlock_user(p, arg1, 0); | |
7257 | } | |
72eb7ea8 | 7258 | return ret; |
704eff6c | 7259 | #endif |
c0d472b1 | 7260 | #if defined(TARGET_NR_renameat) |
722183f6 | 7261 | case TARGET_NR_renameat: |
722183f6 | 7262 | { |
579a97f7 | 7263 | void *p2; |
722183f6 TS |
7264 | p = lock_user_string(arg2); |
7265 | p2 = lock_user_string(arg4); | |
579a97f7 | 7266 | if (!p || !p2) |
0da46a6e | 7267 | ret = -TARGET_EFAULT; |
722183f6 | 7268 | else |
c0d472b1 | 7269 | ret = get_errno(renameat(arg1, p, arg3, p2)); |
579a97f7 FB |
7270 | unlock_user(p2, arg4, 0); |
7271 | unlock_user(p, arg2, 0); | |
722183f6 | 7272 | } |
72eb7ea8 | 7273 | return ret; |
95d0307c AS |
7274 | #endif |
7275 | #if defined(TARGET_NR_renameat2) | |
7276 | case TARGET_NR_renameat2: | |
7277 | { | |
7278 | void *p2; | |
7279 | p = lock_user_string(arg2); | |
7280 | p2 = lock_user_string(arg4); | |
7281 | if (!p || !p2) { | |
7282 | ret = -TARGET_EFAULT; | |
7283 | } else { | |
7284 | ret = get_errno(sys_renameat2(arg1, p, arg3, p2, arg5)); | |
7285 | } | |
7286 | unlock_user(p2, arg4, 0); | |
7287 | unlock_user(p, arg2, 0); | |
7288 | } | |
72eb7ea8 | 7289 | return ret; |
722183f6 | 7290 | #endif |
704eff6c | 7291 | #ifdef TARGET_NR_mkdir |
31e31b8a | 7292 | case TARGET_NR_mkdir: |
579a97f7 | 7293 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7294 | return -TARGET_EFAULT; |
53a5960a PB |
7295 | ret = get_errno(mkdir(p, arg2)); |
7296 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 7297 | return ret; |
704eff6c | 7298 | #endif |
c0d472b1 | 7299 | #if defined(TARGET_NR_mkdirat) |
4472ad0d | 7300 | case TARGET_NR_mkdirat: |
579a97f7 | 7301 | if (!(p = lock_user_string(arg2))) |
2852aafd | 7302 | return -TARGET_EFAULT; |
c0d472b1 | 7303 | ret = get_errno(mkdirat(arg1, p, arg3)); |
579a97f7 | 7304 | unlock_user(p, arg2, 0); |
72eb7ea8 | 7305 | return ret; |
4472ad0d | 7306 | #endif |
704eff6c | 7307 | #ifdef TARGET_NR_rmdir |
31e31b8a | 7308 | case TARGET_NR_rmdir: |
579a97f7 | 7309 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7310 | return -TARGET_EFAULT; |
53a5960a PB |
7311 | ret = get_errno(rmdir(p)); |
7312 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 7313 | return ret; |
704eff6c | 7314 | #endif |
31e31b8a FB |
7315 | case TARGET_NR_dup: |
7316 | ret = get_errno(dup(arg1)); | |
e36800c9 LV |
7317 | if (ret >= 0) { |
7318 | fd_trans_dup(arg1, ret); | |
7319 | } | |
72eb7ea8 | 7320 | return ret; |
704eff6c | 7321 | #ifdef TARGET_NR_pipe |
31e31b8a | 7322 | case TARGET_NR_pipe: |
72eb7ea8 | 7323 | return do_pipe(cpu_env, arg1, 0, 0); |
704eff6c | 7324 | #endif |
099d6b0f RV |
7325 | #ifdef TARGET_NR_pipe2 |
7326 | case TARGET_NR_pipe2: | |
72eb7ea8 RH |
7327 | return do_pipe(cpu_env, arg1, |
7328 | target_to_host_bitmask(arg2, fcntl_flags_tbl), 1); | |
099d6b0f | 7329 | #endif |
31e31b8a | 7330 | case TARGET_NR_times: |
32f36bce | 7331 | { |
53a5960a | 7332 | struct target_tms *tmsp; |
32f36bce FB |
7333 | struct tms tms; |
7334 | ret = get_errno(times(&tms)); | |
53a5960a | 7335 | if (arg1) { |
579a97f7 FB |
7336 | tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0); |
7337 | if (!tmsp) | |
2852aafd | 7338 | return -TARGET_EFAULT; |
cbb21eed MB |
7339 | tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime)); |
7340 | tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime)); | |
7341 | tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime)); | |
7342 | tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime)); | |
32f36bce | 7343 | } |
c596ed17 FB |
7344 | if (!is_error(ret)) |
7345 | ret = host_to_target_clock_t(ret); | |
32f36bce | 7346 | } |
72eb7ea8 | 7347 | return ret; |
31e31b8a | 7348 | case TARGET_NR_acct: |
38d840e6 AJ |
7349 | if (arg1 == 0) { |
7350 | ret = get_errno(acct(NULL)); | |
7351 | } else { | |
2852aafd RH |
7352 | if (!(p = lock_user_string(arg1))) { |
7353 | return -TARGET_EFAULT; | |
7354 | } | |
38d840e6 AJ |
7355 | ret = get_errno(acct(path(p))); |
7356 | unlock_user(p, arg1, 0); | |
7357 | } | |
72eb7ea8 | 7358 | return ret; |
8070e7be | 7359 | #ifdef TARGET_NR_umount2 |
31e31b8a | 7360 | case TARGET_NR_umount2: |
579a97f7 | 7361 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7362 | return -TARGET_EFAULT; |
53a5960a PB |
7363 | ret = get_errno(umount2(p, arg2)); |
7364 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 7365 | return ret; |
ebc05488 | 7366 | #endif |
31e31b8a | 7367 | case TARGET_NR_ioctl: |
72eb7ea8 | 7368 | return do_ioctl(arg1, arg2, arg3); |
47ae93cd | 7369 | #ifdef TARGET_NR_fcntl |
31e31b8a | 7370 | case TARGET_NR_fcntl: |
72eb7ea8 | 7371 | return do_fcntl(arg1, arg2, arg3); |
ebc05488 | 7372 | #endif |
31e31b8a | 7373 | case TARGET_NR_setpgid: |
72eb7ea8 | 7374 | return get_errno(setpgid(arg1, arg2)); |
31e31b8a | 7375 | case TARGET_NR_umask: |
72eb7ea8 | 7376 | return get_errno(umask(arg1)); |
31e31b8a | 7377 | case TARGET_NR_chroot: |
579a97f7 | 7378 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7379 | return -TARGET_EFAULT; |
53a5960a PB |
7380 | ret = get_errno(chroot(p)); |
7381 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 7382 | return ret; |
704eff6c | 7383 | #ifdef TARGET_NR_dup2 |
31e31b8a FB |
7384 | case TARGET_NR_dup2: |
7385 | ret = get_errno(dup2(arg1, arg2)); | |
e36800c9 LV |
7386 | if (ret >= 0) { |
7387 | fd_trans_dup(arg1, arg2); | |
7388 | } | |
72eb7ea8 | 7389 | return ret; |
704eff6c | 7390 | #endif |
d0927938 UH |
7391 | #if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3) |
7392 | case TARGET_NR_dup3: | |
10fa993a PM |
7393 | { |
7394 | int host_flags; | |
7395 | ||
7396 | if ((arg3 & ~TARGET_O_CLOEXEC) != 0) { | |
7397 | return -EINVAL; | |
7398 | } | |
7399 | host_flags = target_to_host_bitmask(arg3, fcntl_flags_tbl); | |
7400 | ret = get_errno(dup3(arg1, arg2, host_flags)); | |
e36800c9 LV |
7401 | if (ret >= 0) { |
7402 | fd_trans_dup(arg1, arg2); | |
7403 | } | |
72eb7ea8 | 7404 | return ret; |
10fa993a | 7405 | } |
d0927938 | 7406 | #endif |
7a3148a9 | 7407 | #ifdef TARGET_NR_getppid /* not on alpha */ |
31e31b8a | 7408 | case TARGET_NR_getppid: |
72eb7ea8 | 7409 | return get_errno(getppid()); |
7a3148a9 | 7410 | #endif |
704eff6c | 7411 | #ifdef TARGET_NR_getpgrp |
31e31b8a | 7412 | case TARGET_NR_getpgrp: |
72eb7ea8 | 7413 | return get_errno(getpgrp()); |
704eff6c | 7414 | #endif |
31e31b8a | 7415 | case TARGET_NR_setsid: |
72eb7ea8 | 7416 | return get_errno(setsid()); |
e5febef5 | 7417 | #ifdef TARGET_NR_sigaction |
31e31b8a | 7418 | case TARGET_NR_sigaction: |
31e31b8a | 7419 | { |
6049f4f8 RH |
7420 | #if defined(TARGET_ALPHA) |
7421 | struct target_sigaction act, oact, *pact = 0; | |
53a5960a | 7422 | struct target_old_sigaction *old_act; |
53a5960a | 7423 | if (arg2) { |
579a97f7 | 7424 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
2852aafd | 7425 | return -TARGET_EFAULT; |
66fb9763 FB |
7426 | act._sa_handler = old_act->_sa_handler; |
7427 | target_siginitset(&act.sa_mask, old_act->sa_mask); | |
7428 | act.sa_flags = old_act->sa_flags; | |
6049f4f8 | 7429 | act.sa_restorer = 0; |
53a5960a | 7430 | unlock_user_struct(old_act, arg2, 0); |
66fb9763 | 7431 | pact = &act; |
66fb9763 FB |
7432 | } |
7433 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
53a5960a | 7434 | if (!is_error(ret) && arg3) { |
579a97f7 | 7435 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
2852aafd | 7436 | return -TARGET_EFAULT; |
53a5960a PB |
7437 | old_act->_sa_handler = oact._sa_handler; |
7438 | old_act->sa_mask = oact.sa_mask.sig[0]; | |
7439 | old_act->sa_flags = oact.sa_flags; | |
53a5960a | 7440 | unlock_user_struct(old_act, arg3, 1); |
66fb9763 | 7441 | } |
6049f4f8 | 7442 | #elif defined(TARGET_MIPS) |
106ec879 FB |
7443 | struct target_sigaction act, oact, *pact, *old_act; |
7444 | ||
7445 | if (arg2) { | |
579a97f7 | 7446 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
2852aafd | 7447 | return -TARGET_EFAULT; |
106ec879 FB |
7448 | act._sa_handler = old_act->_sa_handler; |
7449 | target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]); | |
7450 | act.sa_flags = old_act->sa_flags; | |
7451 | unlock_user_struct(old_act, arg2, 0); | |
7452 | pact = &act; | |
7453 | } else { | |
7454 | pact = NULL; | |
7455 | } | |
7456 | ||
7457 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
7458 | ||
7459 | if (!is_error(ret) && arg3) { | |
579a97f7 | 7460 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
2852aafd | 7461 | return -TARGET_EFAULT; |
106ec879 FB |
7462 | old_act->_sa_handler = oact._sa_handler; |
7463 | old_act->sa_flags = oact.sa_flags; | |
7464 | old_act->sa_mask.sig[0] = oact.sa_mask.sig[0]; | |
7465 | old_act->sa_mask.sig[1] = 0; | |
7466 | old_act->sa_mask.sig[2] = 0; | |
7467 | old_act->sa_mask.sig[3] = 0; | |
7468 | unlock_user_struct(old_act, arg3, 1); | |
7469 | } | |
6049f4f8 RH |
7470 | #else |
7471 | struct target_old_sigaction *old_act; | |
7472 | struct target_sigaction act, oact, *pact; | |
7473 | if (arg2) { | |
7474 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) | |
2852aafd | 7475 | return -TARGET_EFAULT; |
6049f4f8 RH |
7476 | act._sa_handler = old_act->_sa_handler; |
7477 | target_siginitset(&act.sa_mask, old_act->sa_mask); | |
7478 | act.sa_flags = old_act->sa_flags; | |
7479 | act.sa_restorer = old_act->sa_restorer; | |
5de154e8 LV |
7480 | #ifdef TARGET_ARCH_HAS_KA_RESTORER |
7481 | act.ka_restorer = 0; | |
7482 | #endif | |
6049f4f8 RH |
7483 | unlock_user_struct(old_act, arg2, 0); |
7484 | pact = &act; | |
7485 | } else { | |
7486 | pact = NULL; | |
7487 | } | |
7488 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
7489 | if (!is_error(ret) && arg3) { | |
7490 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) | |
2852aafd | 7491 | return -TARGET_EFAULT; |
6049f4f8 RH |
7492 | old_act->_sa_handler = oact._sa_handler; |
7493 | old_act->sa_mask = oact.sa_mask.sig[0]; | |
7494 | old_act->sa_flags = oact.sa_flags; | |
7495 | old_act->sa_restorer = oact.sa_restorer; | |
7496 | unlock_user_struct(old_act, arg3, 1); | |
7497 | } | |
388bb21a | 7498 | #endif |
31e31b8a | 7499 | } |
72eb7ea8 | 7500 | return ret; |
e5febef5 | 7501 | #endif |
66fb9763 | 7502 | case TARGET_NR_rt_sigaction: |
53a5960a | 7503 | { |
6049f4f8 | 7504 | #if defined(TARGET_ALPHA) |
78bfef72 PM |
7505 | /* For Alpha and SPARC this is a 5 argument syscall, with |
7506 | * a 'restorer' parameter which must be copied into the | |
7507 | * sa_restorer field of the sigaction struct. | |
7508 | * For Alpha that 'restorer' is arg5; for SPARC it is arg4, | |
7509 | * and arg5 is the sigsetsize. | |
7510 | * Alpha also has a separate rt_sigaction struct that it uses | |
7511 | * here; SPARC uses the usual sigaction struct. | |
7512 | */ | |
6049f4f8 | 7513 | struct target_rt_sigaction *rt_act; |
78bfef72 | 7514 | struct target_sigaction act, oact, *pact = 0; |
c815701e PM |
7515 | |
7516 | if (arg4 != sizeof(target_sigset_t)) { | |
72eb7ea8 | 7517 | return -TARGET_EINVAL; |
c815701e | 7518 | } |
6049f4f8 RH |
7519 | if (arg2) { |
7520 | if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1)) | |
2852aafd | 7521 | return -TARGET_EFAULT; |
6049f4f8 RH |
7522 | act._sa_handler = rt_act->_sa_handler; |
7523 | act.sa_mask = rt_act->sa_mask; | |
7524 | act.sa_flags = rt_act->sa_flags; | |
7525 | act.sa_restorer = arg5; | |
7526 | unlock_user_struct(rt_act, arg2, 0); | |
7527 | pact = &act; | |
7528 | } | |
7529 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
7530 | if (!is_error(ret) && arg3) { | |
7531 | if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0)) | |
2852aafd | 7532 | return -TARGET_EFAULT; |
6049f4f8 RH |
7533 | rt_act->_sa_handler = oact._sa_handler; |
7534 | rt_act->sa_mask = oact.sa_mask; | |
7535 | rt_act->sa_flags = oact.sa_flags; | |
7536 | unlock_user_struct(rt_act, arg3, 1); | |
7537 | } | |
7538 | #else | |
78bfef72 PM |
7539 | #ifdef TARGET_SPARC |
7540 | target_ulong restorer = arg4; | |
7541 | target_ulong sigsetsize = arg5; | |
7542 | #else | |
7543 | target_ulong sigsetsize = arg4; | |
7544 | #endif | |
53a5960a PB |
7545 | struct target_sigaction *act; |
7546 | struct target_sigaction *oact; | |
7547 | ||
78bfef72 | 7548 | if (sigsetsize != sizeof(target_sigset_t)) { |
72eb7ea8 | 7549 | return -TARGET_EINVAL; |
c815701e | 7550 | } |
579a97f7 | 7551 | if (arg2) { |
78bfef72 | 7552 | if (!lock_user_struct(VERIFY_READ, act, arg2, 1)) { |
2852aafd | 7553 | return -TARGET_EFAULT; |
78bfef72 | 7554 | } |
5de154e8 LV |
7555 | #ifdef TARGET_ARCH_HAS_KA_RESTORER |
7556 | act->ka_restorer = restorer; | |
78bfef72 PM |
7557 | #endif |
7558 | } else { | |
53a5960a | 7559 | act = NULL; |
78bfef72 | 7560 | } |
579a97f7 FB |
7561 | if (arg3) { |
7562 | if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) { | |
7563 | ret = -TARGET_EFAULT; | |
7564 | goto rt_sigaction_fail; | |
7565 | } | |
7566 | } else | |
53a5960a PB |
7567 | oact = NULL; |
7568 | ret = get_errno(do_sigaction(arg1, act, oact)); | |
579a97f7 FB |
7569 | rt_sigaction_fail: |
7570 | if (act) | |
53a5960a | 7571 | unlock_user_struct(act, arg2, 0); |
579a97f7 | 7572 | if (oact) |
53a5960a | 7573 | unlock_user_struct(oact, arg3, 1); |
6049f4f8 | 7574 | #endif |
53a5960a | 7575 | } |
72eb7ea8 | 7576 | return ret; |
7a3148a9 | 7577 | #ifdef TARGET_NR_sgetmask /* not on alpha */ |
31e31b8a | 7578 | case TARGET_NR_sgetmask: |
66fb9763 FB |
7579 | { |
7580 | sigset_t cur_set; | |
992f48a0 | 7581 | abi_ulong target_set; |
3d3efba0 PM |
7582 | ret = do_sigprocmask(0, NULL, &cur_set); |
7583 | if (!ret) { | |
7584 | host_to_target_old_sigset(&target_set, &cur_set); | |
7585 | ret = target_set; | |
7586 | } | |
66fb9763 | 7587 | } |
72eb7ea8 | 7588 | return ret; |
7a3148a9 JM |
7589 | #endif |
7590 | #ifdef TARGET_NR_ssetmask /* not on alpha */ | |
31e31b8a | 7591 | case TARGET_NR_ssetmask: |
66fb9763 | 7592 | { |
a8617d8c | 7593 | sigset_t set, oset; |
992f48a0 | 7594 | abi_ulong target_set = arg1; |
66fb9763 | 7595 | target_to_host_old_sigset(&set, &target_set); |
3d3efba0 PM |
7596 | ret = do_sigprocmask(SIG_SETMASK, &set, &oset); |
7597 | if (!ret) { | |
7598 | host_to_target_old_sigset(&target_set, &oset); | |
7599 | ret = target_set; | |
7600 | } | |
66fb9763 | 7601 | } |
72eb7ea8 | 7602 | return ret; |
7a3148a9 | 7603 | #endif |
e5febef5 | 7604 | #ifdef TARGET_NR_sigprocmask |
66fb9763 FB |
7605 | case TARGET_NR_sigprocmask: |
7606 | { | |
a5b3b13b RH |
7607 | #if defined(TARGET_ALPHA) |
7608 | sigset_t set, oldset; | |
7609 | abi_ulong mask; | |
7610 | int how; | |
7611 | ||
7612 | switch (arg1) { | |
7613 | case TARGET_SIG_BLOCK: | |
7614 | how = SIG_BLOCK; | |
7615 | break; | |
7616 | case TARGET_SIG_UNBLOCK: | |
7617 | how = SIG_UNBLOCK; | |
7618 | break; | |
7619 | case TARGET_SIG_SETMASK: | |
7620 | how = SIG_SETMASK; | |
7621 | break; | |
7622 | default: | |
259841c1 | 7623 | return -TARGET_EINVAL; |
a5b3b13b RH |
7624 | } |
7625 | mask = arg2; | |
7626 | target_to_host_old_sigset(&set, &mask); | |
7627 | ||
3d3efba0 | 7628 | ret = do_sigprocmask(how, &set, &oldset); |
a5b3b13b RH |
7629 | if (!is_error(ret)) { |
7630 | host_to_target_old_sigset(&mask, &oldset); | |
7631 | ret = mask; | |
0229f5a3 | 7632 | ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; /* force no error */ |
a5b3b13b RH |
7633 | } |
7634 | #else | |
66fb9763 | 7635 | sigset_t set, oldset, *set_ptr; |
a5b3b13b | 7636 | int how; |
3b46e624 | 7637 | |
53a5960a | 7638 | if (arg2) { |
a5b3b13b | 7639 | switch (arg1) { |
66fb9763 FB |
7640 | case TARGET_SIG_BLOCK: |
7641 | how = SIG_BLOCK; | |
7642 | break; | |
7643 | case TARGET_SIG_UNBLOCK: | |
7644 | how = SIG_UNBLOCK; | |
7645 | break; | |
7646 | case TARGET_SIG_SETMASK: | |
7647 | how = SIG_SETMASK; | |
7648 | break; | |
7649 | default: | |
259841c1 | 7650 | return -TARGET_EINVAL; |
66fb9763 | 7651 | } |
c227f099 | 7652 | if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
2852aafd | 7653 | return -TARGET_EFAULT; |
53a5960a PB |
7654 | target_to_host_old_sigset(&set, p); |
7655 | unlock_user(p, arg2, 0); | |
66fb9763 FB |
7656 | set_ptr = &set; |
7657 | } else { | |
7658 | how = 0; | |
7659 | set_ptr = NULL; | |
7660 | } | |
3d3efba0 | 7661 | ret = do_sigprocmask(how, set_ptr, &oldset); |
53a5960a | 7662 | if (!is_error(ret) && arg3) { |
c227f099 | 7663 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
2852aafd | 7664 | return -TARGET_EFAULT; |
53a5960a | 7665 | host_to_target_old_sigset(p, &oldset); |
c227f099 | 7666 | unlock_user(p, arg3, sizeof(target_sigset_t)); |
66fb9763 | 7667 | } |
a5b3b13b | 7668 | #endif |
66fb9763 | 7669 | } |
72eb7ea8 | 7670 | return ret; |
e5febef5 | 7671 | #endif |
66fb9763 FB |
7672 | case TARGET_NR_rt_sigprocmask: |
7673 | { | |
7674 | int how = arg1; | |
7675 | sigset_t set, oldset, *set_ptr; | |
3b46e624 | 7676 | |
c815701e | 7677 | if (arg4 != sizeof(target_sigset_t)) { |
72eb7ea8 | 7678 | return -TARGET_EINVAL; |
c815701e PM |
7679 | } |
7680 | ||
53a5960a | 7681 | if (arg2) { |
66fb9763 FB |
7682 | switch(how) { |
7683 | case TARGET_SIG_BLOCK: | |
7684 | how = SIG_BLOCK; | |
7685 | break; | |
7686 | case TARGET_SIG_UNBLOCK: | |
7687 | how = SIG_UNBLOCK; | |
7688 | break; | |
7689 | case TARGET_SIG_SETMASK: | |
7690 | how = SIG_SETMASK; | |
7691 | break; | |
7692 | default: | |
259841c1 | 7693 | return -TARGET_EINVAL; |
66fb9763 | 7694 | } |
c227f099 | 7695 | if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
2852aafd | 7696 | return -TARGET_EFAULT; |
53a5960a PB |
7697 | target_to_host_sigset(&set, p); |
7698 | unlock_user(p, arg2, 0); | |
66fb9763 FB |
7699 | set_ptr = &set; |
7700 | } else { | |
7701 | how = 0; | |
7702 | set_ptr = NULL; | |
7703 | } | |
3d3efba0 | 7704 | ret = do_sigprocmask(how, set_ptr, &oldset); |
53a5960a | 7705 | if (!is_error(ret) && arg3) { |
c227f099 | 7706 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
2852aafd | 7707 | return -TARGET_EFAULT; |
53a5960a | 7708 | host_to_target_sigset(p, &oldset); |
c227f099 | 7709 | unlock_user(p, arg3, sizeof(target_sigset_t)); |
66fb9763 FB |
7710 | } |
7711 | } | |
72eb7ea8 | 7712 | return ret; |
e5febef5 | 7713 | #ifdef TARGET_NR_sigpending |
66fb9763 FB |
7714 | case TARGET_NR_sigpending: |
7715 | { | |
7716 | sigset_t set; | |
7717 | ret = get_errno(sigpending(&set)); | |
7718 | if (!is_error(ret)) { | |
c227f099 | 7719 | if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
2852aafd | 7720 | return -TARGET_EFAULT; |
53a5960a | 7721 | host_to_target_old_sigset(p, &set); |
c227f099 | 7722 | unlock_user(p, arg1, sizeof(target_sigset_t)); |
66fb9763 FB |
7723 | } |
7724 | } | |
72eb7ea8 | 7725 | return ret; |
e5febef5 | 7726 | #endif |
66fb9763 FB |
7727 | case TARGET_NR_rt_sigpending: |
7728 | { | |
7729 | sigset_t set; | |
c815701e PM |
7730 | |
7731 | /* Yes, this check is >, not != like most. We follow the kernel's | |
7732 | * logic and it does it like this because it implements | |
7733 | * NR_sigpending through the same code path, and in that case | |
7734 | * the old_sigset_t is smaller in size. | |
7735 | */ | |
7736 | if (arg2 > sizeof(target_sigset_t)) { | |
72eb7ea8 | 7737 | return -TARGET_EINVAL; |
c815701e PM |
7738 | } |
7739 | ||
66fb9763 FB |
7740 | ret = get_errno(sigpending(&set)); |
7741 | if (!is_error(ret)) { | |
c227f099 | 7742 | if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
2852aafd | 7743 | return -TARGET_EFAULT; |
53a5960a | 7744 | host_to_target_sigset(p, &set); |
c227f099 | 7745 | unlock_user(p, arg1, sizeof(target_sigset_t)); |
66fb9763 FB |
7746 | } |
7747 | } | |
72eb7ea8 | 7748 | return ret; |
e5febef5 | 7749 | #ifdef TARGET_NR_sigsuspend |
66fb9763 FB |
7750 | case TARGET_NR_sigsuspend: |
7751 | { | |
3d3efba0 | 7752 | TaskState *ts = cpu->opaque; |
f43ce12b RH |
7753 | #if defined(TARGET_ALPHA) |
7754 | abi_ulong mask = arg1; | |
3d3efba0 | 7755 | target_to_host_old_sigset(&ts->sigsuspend_mask, &mask); |
f43ce12b | 7756 | #else |
c227f099 | 7757 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
2852aafd | 7758 | return -TARGET_EFAULT; |
3d3efba0 | 7759 | target_to_host_old_sigset(&ts->sigsuspend_mask, p); |
53a5960a | 7760 | unlock_user(p, arg1, 0); |
f43ce12b | 7761 | #endif |
3d3efba0 PM |
7762 | ret = get_errno(safe_rt_sigsuspend(&ts->sigsuspend_mask, |
7763 | SIGSET_T_SIZE)); | |
7764 | if (ret != -TARGET_ERESTARTSYS) { | |
7765 | ts->in_sigsuspend = 1; | |
7766 | } | |
66fb9763 | 7767 | } |
72eb7ea8 | 7768 | return ret; |
e5febef5 | 7769 | #endif |
66fb9763 FB |
7770 | case TARGET_NR_rt_sigsuspend: |
7771 | { | |
3d3efba0 | 7772 | TaskState *ts = cpu->opaque; |
c815701e PM |
7773 | |
7774 | if (arg2 != sizeof(target_sigset_t)) { | |
72eb7ea8 | 7775 | return -TARGET_EINVAL; |
c815701e | 7776 | } |
c227f099 | 7777 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
2852aafd | 7778 | return -TARGET_EFAULT; |
3d3efba0 | 7779 | target_to_host_sigset(&ts->sigsuspend_mask, p); |
53a5960a | 7780 | unlock_user(p, arg1, 0); |
3d3efba0 PM |
7781 | ret = get_errno(safe_rt_sigsuspend(&ts->sigsuspend_mask, |
7782 | SIGSET_T_SIZE)); | |
7783 | if (ret != -TARGET_ERESTARTSYS) { | |
7784 | ts->in_sigsuspend = 1; | |
7785 | } | |
66fb9763 | 7786 | } |
72eb7ea8 | 7787 | return ret; |
66fb9763 FB |
7788 | case TARGET_NR_rt_sigtimedwait: |
7789 | { | |
66fb9763 FB |
7790 | sigset_t set; |
7791 | struct timespec uts, *puts; | |
7792 | siginfo_t uinfo; | |
3b46e624 | 7793 | |
c815701e | 7794 | if (arg4 != sizeof(target_sigset_t)) { |
72eb7ea8 | 7795 | return -TARGET_EINVAL; |
c815701e PM |
7796 | } |
7797 | ||
c227f099 | 7798 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
2852aafd | 7799 | return -TARGET_EFAULT; |
53a5960a PB |
7800 | target_to_host_sigset(&set, p); |
7801 | unlock_user(p, arg1, 0); | |
7802 | if (arg3) { | |
66fb9763 | 7803 | puts = &uts; |
53a5960a | 7804 | target_to_host_timespec(puts, arg3); |
66fb9763 FB |
7805 | } else { |
7806 | puts = NULL; | |
7807 | } | |
b3f82330 PM |
7808 | ret = get_errno(safe_rt_sigtimedwait(&set, &uinfo, puts, |
7809 | SIGSET_T_SIZE)); | |
974a196d PJ |
7810 | if (!is_error(ret)) { |
7811 | if (arg2) { | |
7812 | p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), | |
7813 | 0); | |
7814 | if (!p) { | |
2852aafd | 7815 | return -TARGET_EFAULT; |
974a196d PJ |
7816 | } |
7817 | host_to_target_siginfo(p, &uinfo); | |
7818 | unlock_user(p, arg2, sizeof(target_siginfo_t)); | |
7819 | } | |
7820 | ret = host_to_target_signal(ret); | |
66fb9763 FB |
7821 | } |
7822 | } | |
72eb7ea8 | 7823 | return ret; |
66fb9763 FB |
7824 | case TARGET_NR_rt_sigqueueinfo: |
7825 | { | |
7826 | siginfo_t uinfo; | |
4debae6f PM |
7827 | |
7828 | p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1); | |
7829 | if (!p) { | |
2852aafd | 7830 | return -TARGET_EFAULT; |
4debae6f | 7831 | } |
53a5960a | 7832 | target_to_host_siginfo(&uinfo, p); |
d8b6d892 | 7833 | unlock_user(p, arg3, 0); |
66fb9763 FB |
7834 | ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); |
7835 | } | |
72eb7ea8 | 7836 | return ret; |
cf8b8bfc MS |
7837 | case TARGET_NR_rt_tgsigqueueinfo: |
7838 | { | |
7839 | siginfo_t uinfo; | |
7840 | ||
7841 | p = lock_user(VERIFY_READ, arg4, sizeof(target_siginfo_t), 1); | |
7842 | if (!p) { | |
2852aafd | 7843 | return -TARGET_EFAULT; |
cf8b8bfc MS |
7844 | } |
7845 | target_to_host_siginfo(&uinfo, p); | |
7846 | unlock_user(p, arg4, 0); | |
7847 | ret = get_errno(sys_rt_tgsigqueueinfo(arg1, arg2, arg3, &uinfo)); | |
7848 | } | |
72eb7ea8 | 7849 | return ret; |
e5febef5 | 7850 | #ifdef TARGET_NR_sigreturn |
66fb9763 | 7851 | case TARGET_NR_sigreturn: |
3d3efba0 | 7852 | if (block_signals()) { |
72eb7ea8 | 7853 | return -TARGET_ERESTARTSYS; |
3d3efba0 | 7854 | } |
72eb7ea8 | 7855 | return do_sigreturn(cpu_env); |
e5febef5 | 7856 | #endif |
66fb9763 | 7857 | case TARGET_NR_rt_sigreturn: |
3d3efba0 | 7858 | if (block_signals()) { |
72eb7ea8 | 7859 | return -TARGET_ERESTARTSYS; |
3d3efba0 | 7860 | } |
72eb7ea8 | 7861 | return do_rt_sigreturn(cpu_env); |
31e31b8a | 7862 | case TARGET_NR_sethostname: |
579a97f7 | 7863 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7864 | return -TARGET_EFAULT; |
53a5960a PB |
7865 | ret = get_errno(sethostname(p, arg2)); |
7866 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 7867 | return ret; |
4f7f8924 | 7868 | #ifdef TARGET_NR_setrlimit |
31e31b8a | 7869 | case TARGET_NR_setrlimit: |
9de5e440 | 7870 | { |
e22b7015 | 7871 | int resource = target_to_host_resource(arg1); |
53a5960a | 7872 | struct target_rlimit *target_rlim; |
9de5e440 | 7873 | struct rlimit rlim; |
579a97f7 | 7874 | if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1)) |
2852aafd | 7875 | return -TARGET_EFAULT; |
81bbe906 TY |
7876 | rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur); |
7877 | rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max); | |
53a5960a | 7878 | unlock_user_struct(target_rlim, arg2, 0); |
72eb7ea8 | 7879 | return get_errno(setrlimit(resource, &rlim)); |
9de5e440 | 7880 | } |
4f7f8924 AR |
7881 | #endif |
7882 | #ifdef TARGET_NR_getrlimit | |
31e31b8a | 7883 | case TARGET_NR_getrlimit: |
9de5e440 | 7884 | { |
e22b7015 | 7885 | int resource = target_to_host_resource(arg1); |
53a5960a | 7886 | struct target_rlimit *target_rlim; |
9de5e440 | 7887 | struct rlimit rlim; |
3b46e624 | 7888 | |
9de5e440 FB |
7889 | ret = get_errno(getrlimit(resource, &rlim)); |
7890 | if (!is_error(ret)) { | |
579a97f7 | 7891 | if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
2852aafd | 7892 | return -TARGET_EFAULT; |
81bbe906 TY |
7893 | target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); |
7894 | target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); | |
53a5960a | 7895 | unlock_user_struct(target_rlim, arg2, 1); |
9de5e440 FB |
7896 | } |
7897 | } | |
72eb7ea8 | 7898 | return ret; |
4f7f8924 | 7899 | #endif |
31e31b8a | 7900 | case TARGET_NR_getrusage: |
b409186b FB |
7901 | { |
7902 | struct rusage rusage; | |
b409186b FB |
7903 | ret = get_errno(getrusage(arg1, &rusage)); |
7904 | if (!is_error(ret)) { | |
a39fb273 | 7905 | ret = host_to_target_rusage(arg2, &rusage); |
b409186b FB |
7906 | } |
7907 | } | |
72eb7ea8 | 7908 | return ret; |
31e31b8a FB |
7909 | case TARGET_NR_gettimeofday: |
7910 | { | |
31e31b8a FB |
7911 | struct timeval tv; |
7912 | ret = get_errno(gettimeofday(&tv, NULL)); | |
7913 | if (!is_error(ret)) { | |
788f5ec4 | 7914 | if (copy_to_user_timeval(arg1, &tv)) |
2852aafd | 7915 | return -TARGET_EFAULT; |
31e31b8a FB |
7916 | } |
7917 | } | |
72eb7ea8 | 7918 | return ret; |
31e31b8a FB |
7919 | case TARGET_NR_settimeofday: |
7920 | { | |
b67d8031 | 7921 | struct timeval tv, *ptv = NULL; |
ef4467e9 PB |
7922 | struct timezone tz, *ptz = NULL; |
7923 | ||
b67d8031 PB |
7924 | if (arg1) { |
7925 | if (copy_from_user_timeval(&tv, arg1)) { | |
2852aafd | 7926 | return -TARGET_EFAULT; |
b67d8031 PB |
7927 | } |
7928 | ptv = &tv; | |
7929 | } | |
ef4467e9 PB |
7930 | |
7931 | if (arg2) { | |
7932 | if (copy_from_user_timezone(&tz, arg2)) { | |
2852aafd | 7933 | return -TARGET_EFAULT; |
ef4467e9 PB |
7934 | } |
7935 | ptz = &tz; | |
7936 | } | |
7937 | ||
72eb7ea8 | 7938 | return get_errno(settimeofday(ptv, ptz)); |
31e31b8a | 7939 | } |
9468a5d4 | 7940 | #if defined(TARGET_NR_select) |
31e31b8a | 7941 | case TARGET_NR_select: |
5457dc9e LV |
7942 | #if defined(TARGET_WANT_NI_OLD_SELECT) |
7943 | /* some architectures used to have old_select here | |
7944 | * but now ENOSYS it. | |
7945 | */ | |
7946 | ret = -TARGET_ENOSYS; | |
7947 | #elif defined(TARGET_WANT_OLD_SYS_SELECT) | |
7948 | ret = do_old_select(arg1); | |
9468a5d4 | 7949 | #else |
5457dc9e | 7950 | ret = do_select(arg1, arg2, arg3, arg4, arg5); |
9468a5d4 | 7951 | #endif |
72eb7ea8 | 7952 | return ret; |
9e42382f RV |
7953 | #endif |
7954 | #ifdef TARGET_NR_pselect6 | |
7955 | case TARGET_NR_pselect6: | |
055e0906 MF |
7956 | { |
7957 | abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr; | |
7958 | fd_set rfds, wfds, efds; | |
7959 | fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; | |
7960 | struct timespec ts, *ts_ptr; | |
7961 | ||
7962 | /* | |
7963 | * The 6th arg is actually two args smashed together, | |
7964 | * so we cannot use the C library. | |
7965 | */ | |
7966 | sigset_t set; | |
7967 | struct { | |
7968 | sigset_t *set; | |
7969 | size_t size; | |
7970 | } sig, *sig_ptr; | |
7971 | ||
7972 | abi_ulong arg_sigset, arg_sigsize, *arg7; | |
7973 | target_sigset_t *target_sigset; | |
7974 | ||
7975 | n = arg1; | |
7976 | rfd_addr = arg2; | |
7977 | wfd_addr = arg3; | |
7978 | efd_addr = arg4; | |
7979 | ts_addr = arg5; | |
7980 | ||
7981 | ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); | |
7982 | if (ret) { | |
259841c1 | 7983 | return ret; |
055e0906 MF |
7984 | } |
7985 | ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); | |
7986 | if (ret) { | |
259841c1 | 7987 | return ret; |
055e0906 MF |
7988 | } |
7989 | ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); | |
7990 | if (ret) { | |
259841c1 | 7991 | return ret; |
055e0906 MF |
7992 | } |
7993 | ||
7994 | /* | |
7995 | * This takes a timespec, and not a timeval, so we cannot | |
7996 | * use the do_select() helper ... | |
7997 | */ | |
7998 | if (ts_addr) { | |
7999 | if (target_to_host_timespec(&ts, ts_addr)) { | |
2852aafd | 8000 | return -TARGET_EFAULT; |
055e0906 MF |
8001 | } |
8002 | ts_ptr = &ts; | |
8003 | } else { | |
8004 | ts_ptr = NULL; | |
8005 | } | |
8006 | ||
8007 | /* Extract the two packed args for the sigset */ | |
8008 | if (arg6) { | |
8009 | sig_ptr = &sig; | |
b28a1f33 | 8010 | sig.size = SIGSET_T_SIZE; |
055e0906 MF |
8011 | |
8012 | arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1); | |
8013 | if (!arg7) { | |
2852aafd | 8014 | return -TARGET_EFAULT; |
055e0906 | 8015 | } |
cbb21eed MB |
8016 | arg_sigset = tswapal(arg7[0]); |
8017 | arg_sigsize = tswapal(arg7[1]); | |
055e0906 MF |
8018 | unlock_user(arg7, arg6, 0); |
8019 | ||
8020 | if (arg_sigset) { | |
8021 | sig.set = &set; | |
8f04eeb3 PM |
8022 | if (arg_sigsize != sizeof(*target_sigset)) { |
8023 | /* Like the kernel, we enforce correct size sigsets */ | |
259841c1 | 8024 | return -TARGET_EINVAL; |
8f04eeb3 | 8025 | } |
055e0906 MF |
8026 | target_sigset = lock_user(VERIFY_READ, arg_sigset, |
8027 | sizeof(*target_sigset), 1); | |
8028 | if (!target_sigset) { | |
2852aafd | 8029 | return -TARGET_EFAULT; |
055e0906 MF |
8030 | } |
8031 | target_to_host_sigset(&set, target_sigset); | |
8032 | unlock_user(target_sigset, arg_sigset, 0); | |
8033 | } else { | |
8034 | sig.set = NULL; | |
8035 | } | |
8036 | } else { | |
8037 | sig_ptr = NULL; | |
8038 | } | |
8039 | ||
6df9d38d PM |
8040 | ret = get_errno(safe_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr, |
8041 | ts_ptr, sig_ptr)); | |
055e0906 MF |
8042 | |
8043 | if (!is_error(ret)) { | |
8044 | if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) | |
2852aafd | 8045 | return -TARGET_EFAULT; |
055e0906 | 8046 | if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) |
2852aafd | 8047 | return -TARGET_EFAULT; |
055e0906 | 8048 | if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) |
2852aafd | 8049 | return -TARGET_EFAULT; |
055e0906 MF |
8050 | |
8051 | if (ts_addr && host_to_target_timespec(ts_addr, &ts)) | |
2852aafd | 8052 | return -TARGET_EFAULT; |
055e0906 MF |
8053 | } |
8054 | } | |
72eb7ea8 | 8055 | return ret; |
048f6b4d | 8056 | #endif |
704eff6c | 8057 | #ifdef TARGET_NR_symlink |
31e31b8a | 8058 | case TARGET_NR_symlink: |
53a5960a PB |
8059 | { |
8060 | void *p2; | |
8061 | p = lock_user_string(arg1); | |
8062 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
8063 | if (!p || !p2) |
8064 | ret = -TARGET_EFAULT; | |
8065 | else | |
8066 | ret = get_errno(symlink(p, p2)); | |
53a5960a PB |
8067 | unlock_user(p2, arg2, 0); |
8068 | unlock_user(p, arg1, 0); | |
8069 | } | |
72eb7ea8 | 8070 | return ret; |
704eff6c | 8071 | #endif |
c0d472b1 | 8072 | #if defined(TARGET_NR_symlinkat) |
f0b6243d | 8073 | case TARGET_NR_symlinkat: |
f0b6243d | 8074 | { |
579a97f7 | 8075 | void *p2; |
f0b6243d TS |
8076 | p = lock_user_string(arg1); |
8077 | p2 = lock_user_string(arg3); | |
579a97f7 | 8078 | if (!p || !p2) |
0da46a6e | 8079 | ret = -TARGET_EFAULT; |
f0b6243d | 8080 | else |
c0d472b1 | 8081 | ret = get_errno(symlinkat(p, arg2, p2)); |
579a97f7 FB |
8082 | unlock_user(p2, arg3, 0); |
8083 | unlock_user(p, arg1, 0); | |
f0b6243d | 8084 | } |
72eb7ea8 | 8085 | return ret; |
f0b6243d | 8086 | #endif |
704eff6c | 8087 | #ifdef TARGET_NR_readlink |
31e31b8a | 8088 | case TARGET_NR_readlink: |
53a5960a | 8089 | { |
463d8e73 | 8090 | void *p2; |
53a5960a | 8091 | p = lock_user_string(arg1); |
579a97f7 | 8092 | p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0); |
463d8e73 | 8093 | if (!p || !p2) { |
579a97f7 | 8094 | ret = -TARGET_EFAULT; |
f17f4989 MF |
8095 | } else if (!arg3) { |
8096 | /* Short circuit this for the magic exe check. */ | |
8097 | ret = -TARGET_EINVAL; | |
463d8e73 AS |
8098 | } else if (is_proc_myself((const char *)p, "exe")) { |
8099 | char real[PATH_MAX], *temp; | |
8100 | temp = realpath(exec_path, real); | |
f17f4989 MF |
8101 | /* Return value is # of bytes that we wrote to the buffer. */ |
8102 | if (temp == NULL) { | |
8103 | ret = get_errno(-1); | |
8104 | } else { | |
8105 | /* Don't worry about sign mismatch as earlier mapping | |
8106 | * logic would have thrown a bad address error. */ | |
8107 | ret = MIN(strlen(real), arg3); | |
8108 | /* We cannot NUL terminate the string. */ | |
8109 | memcpy(p2, real, ret); | |
8110 | } | |
463d8e73 AS |
8111 | } else { |
8112 | ret = get_errno(readlink(path(p), p2, arg3)); | |
d088d664 | 8113 | } |
53a5960a PB |
8114 | unlock_user(p2, arg2, ret); |
8115 | unlock_user(p, arg1, 0); | |
8116 | } | |
72eb7ea8 | 8117 | return ret; |
704eff6c | 8118 | #endif |
c0d472b1 | 8119 | #if defined(TARGET_NR_readlinkat) |
5e0ccb18 | 8120 | case TARGET_NR_readlinkat: |
5e0ccb18 | 8121 | { |
579a97f7 | 8122 | void *p2; |
5e0ccb18 | 8123 | p = lock_user_string(arg2); |
579a97f7 | 8124 | p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0); |
463d8e73 AS |
8125 | if (!p || !p2) { |
8126 | ret = -TARGET_EFAULT; | |
8127 | } else if (is_proc_myself((const char *)p, "exe")) { | |
8128 | char real[PATH_MAX], *temp; | |
8129 | temp = realpath(exec_path, real); | |
8130 | ret = temp == NULL ? get_errno(-1) : strlen(real) ; | |
8131 | snprintf((char *)p2, arg4, "%s", real); | |
8132 | } else { | |
c0d472b1 | 8133 | ret = get_errno(readlinkat(arg1, path(p), p2, arg4)); |
463d8e73 | 8134 | } |
579a97f7 FB |
8135 | unlock_user(p2, arg3, ret); |
8136 | unlock_user(p, arg2, 0); | |
5e0ccb18 | 8137 | } |
72eb7ea8 | 8138 | return ret; |
5e0ccb18 | 8139 | #endif |
e5febef5 | 8140 | #ifdef TARGET_NR_swapon |
31e31b8a | 8141 | case TARGET_NR_swapon: |
579a97f7 | 8142 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8143 | return -TARGET_EFAULT; |
53a5960a PB |
8144 | ret = get_errno(swapon(p, arg2)); |
8145 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 8146 | return ret; |
e5febef5 | 8147 | #endif |
31e31b8a | 8148 | case TARGET_NR_reboot: |
c07ecc68 LV |
8149 | if (arg3 == LINUX_REBOOT_CMD_RESTART2) { |
8150 | /* arg4 must be ignored in all other cases */ | |
8151 | p = lock_user_string(arg4); | |
8152 | if (!p) { | |
2852aafd | 8153 | return -TARGET_EFAULT; |
c07ecc68 LV |
8154 | } |
8155 | ret = get_errno(reboot(arg1, arg2, arg3, p)); | |
8156 | unlock_user(p, arg4, 0); | |
8157 | } else { | |
8158 | ret = get_errno(reboot(arg1, arg2, arg3, NULL)); | |
8159 | } | |
72eb7ea8 | 8160 | return ret; |
e5febef5 | 8161 | #ifdef TARGET_NR_mmap |
31e31b8a | 8162 | case TARGET_NR_mmap: |
09701199 AG |
8163 | #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || \ |
8164 | (defined(TARGET_ARM) && defined(TARGET_ABI32)) || \ | |
a4c075f1 UH |
8165 | defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \ |
8166 | || defined(TARGET_S390X) | |
31e31b8a | 8167 | { |
992f48a0 BS |
8168 | abi_ulong *v; |
8169 | abi_ulong v1, v2, v3, v4, v5, v6; | |
579a97f7 | 8170 | if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1))) |
2852aafd | 8171 | return -TARGET_EFAULT; |
cbb21eed MB |
8172 | v1 = tswapal(v[0]); |
8173 | v2 = tswapal(v[1]); | |
8174 | v3 = tswapal(v[2]); | |
8175 | v4 = tswapal(v[3]); | |
8176 | v5 = tswapal(v[4]); | |
8177 | v6 = tswapal(v[5]); | |
53a5960a | 8178 | unlock_user(v, arg1, 0); |
5fafdf24 | 8179 | ret = get_errno(target_mmap(v1, v2, v3, |
5286db75 FB |
8180 | target_to_host_bitmask(v4, mmap_flags_tbl), |
8181 | v5, v6)); | |
31e31b8a | 8182 | } |
31e31b8a | 8183 | #else |
5fafdf24 TS |
8184 | ret = get_errno(target_mmap(arg1, arg2, arg3, |
8185 | target_to_host_bitmask(arg4, mmap_flags_tbl), | |
6fb883e8 FB |
8186 | arg5, |
8187 | arg6)); | |
31e31b8a | 8188 | #endif |
72eb7ea8 | 8189 | return ret; |
e5febef5 | 8190 | #endif |
a315a145 | 8191 | #ifdef TARGET_NR_mmap2 |
6fb883e8 | 8192 | case TARGET_NR_mmap2: |
bb7ec043 | 8193 | #ifndef MMAP_SHIFT |
c573ff67 | 8194 | #define MMAP_SHIFT 12 |
c573ff67 | 8195 | #endif |
72eb7ea8 RH |
8196 | ret = target_mmap(arg1, arg2, arg3, |
8197 | target_to_host_bitmask(arg4, mmap_flags_tbl), | |
8198 | arg5, arg6 << MMAP_SHIFT); | |
8199 | return get_errno(ret); | |
a315a145 | 8200 | #endif |
31e31b8a | 8201 | case TARGET_NR_munmap: |
72eb7ea8 | 8202 | return get_errno(target_munmap(arg1, arg2)); |
9de5e440 | 8203 | case TARGET_NR_mprotect: |
97374d38 | 8204 | { |
0429a971 | 8205 | TaskState *ts = cpu->opaque; |
97374d38 PB |
8206 | /* Special hack to detect libc making the stack executable. */ |
8207 | if ((arg3 & PROT_GROWSDOWN) | |
8208 | && arg1 >= ts->info->stack_limit | |
8209 | && arg1 <= ts->info->start_stack) { | |
8210 | arg3 &= ~PROT_GROWSDOWN; | |
8211 | arg2 = arg2 + arg1 - ts->info->stack_limit; | |
8212 | arg1 = ts->info->stack_limit; | |
8213 | } | |
8214 | } | |
72eb7ea8 | 8215 | return get_errno(target_mprotect(arg1, arg2, arg3)); |
e5febef5 | 8216 | #ifdef TARGET_NR_mremap |
9de5e440 | 8217 | case TARGET_NR_mremap: |
72eb7ea8 | 8218 | return get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); |
e5febef5 | 8219 | #endif |
53a5960a | 8220 | /* ??? msync/mlock/munlock are broken for softmmu. */ |
e5febef5 | 8221 | #ifdef TARGET_NR_msync |
9de5e440 | 8222 | case TARGET_NR_msync: |
72eb7ea8 | 8223 | return get_errno(msync(g2h(arg1), arg2, arg3)); |
e5febef5 TS |
8224 | #endif |
8225 | #ifdef TARGET_NR_mlock | |
9de5e440 | 8226 | case TARGET_NR_mlock: |
72eb7ea8 | 8227 | return get_errno(mlock(g2h(arg1), arg2)); |
e5febef5 TS |
8228 | #endif |
8229 | #ifdef TARGET_NR_munlock | |
9de5e440 | 8230 | case TARGET_NR_munlock: |
72eb7ea8 | 8231 | return get_errno(munlock(g2h(arg1), arg2)); |
e5febef5 TS |
8232 | #endif |
8233 | #ifdef TARGET_NR_mlockall | |
9de5e440 | 8234 | case TARGET_NR_mlockall: |
72eb7ea8 | 8235 | return get_errno(mlockall(target_to_host_mlockall_arg(arg1))); |
e5febef5 TS |
8236 | #endif |
8237 | #ifdef TARGET_NR_munlockall | |
9de5e440 | 8238 | case TARGET_NR_munlockall: |
72eb7ea8 | 8239 | return get_errno(munlockall()); |
e5febef5 | 8240 | #endif |
4f7f8924 | 8241 | #ifdef TARGET_NR_truncate |
31e31b8a | 8242 | case TARGET_NR_truncate: |
579a97f7 | 8243 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8244 | return -TARGET_EFAULT; |
53a5960a PB |
8245 | ret = get_errno(truncate(p, arg2)); |
8246 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 8247 | return ret; |
4f7f8924 AR |
8248 | #endif |
8249 | #ifdef TARGET_NR_ftruncate | |
31e31b8a | 8250 | case TARGET_NR_ftruncate: |
72eb7ea8 | 8251 | return get_errno(ftruncate(arg1, arg2)); |
4f7f8924 | 8252 | #endif |
31e31b8a | 8253 | case TARGET_NR_fchmod: |
72eb7ea8 | 8254 | return get_errno(fchmod(arg1, arg2)); |
c0d472b1 | 8255 | #if defined(TARGET_NR_fchmodat) |
814d7977 | 8256 | case TARGET_NR_fchmodat: |
579a97f7 | 8257 | if (!(p = lock_user_string(arg2))) |
2852aafd | 8258 | return -TARGET_EFAULT; |
c0d472b1 | 8259 | ret = get_errno(fchmodat(arg1, p, arg3, 0)); |
579a97f7 | 8260 | unlock_user(p, arg2, 0); |
72eb7ea8 | 8261 | return ret; |
814d7977 | 8262 | #endif |
31e31b8a | 8263 | case TARGET_NR_getpriority: |
95c09828 RH |
8264 | /* Note that negative values are valid for getpriority, so we must |
8265 | differentiate based on errno settings. */ | |
8266 | errno = 0; | |
8267 | ret = getpriority(arg1, arg2); | |
8268 | if (ret == -1 && errno != 0) { | |
72eb7ea8 | 8269 | return -host_to_target_errno(errno); |
95c09828 RH |
8270 | } |
8271 | #ifdef TARGET_ALPHA | |
8272 | /* Return value is the unbiased priority. Signal no error. */ | |
8273 | ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; | |
8274 | #else | |
8275 | /* Return value is a biased priority to avoid negative numbers. */ | |
8276 | ret = 20 - ret; | |
8277 | #endif | |
72eb7ea8 | 8278 | return ret; |
31e31b8a | 8279 | case TARGET_NR_setpriority: |
72eb7ea8 | 8280 | return get_errno(setpriority(arg1, arg2, arg3)); |
4f7f8924 | 8281 | #ifdef TARGET_NR_statfs |
31e31b8a | 8282 | case TARGET_NR_statfs: |
2852aafd RH |
8283 | if (!(p = lock_user_string(arg1))) { |
8284 | return -TARGET_EFAULT; | |
8285 | } | |
53a5960a PB |
8286 | ret = get_errno(statfs(path(p), &stfs)); |
8287 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
8288 | convert_statfs: |
8289 | if (!is_error(ret)) { | |
53a5960a | 8290 | struct target_statfs *target_stfs; |
3b46e624 | 8291 | |
579a97f7 | 8292 | if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0)) |
2852aafd | 8293 | return -TARGET_EFAULT; |
579a97f7 FB |
8294 | __put_user(stfs.f_type, &target_stfs->f_type); |
8295 | __put_user(stfs.f_bsize, &target_stfs->f_bsize); | |
8296 | __put_user(stfs.f_blocks, &target_stfs->f_blocks); | |
8297 | __put_user(stfs.f_bfree, &target_stfs->f_bfree); | |
8298 | __put_user(stfs.f_bavail, &target_stfs->f_bavail); | |
8299 | __put_user(stfs.f_files, &target_stfs->f_files); | |
8300 | __put_user(stfs.f_ffree, &target_stfs->f_ffree); | |
8301 | __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); | |
8302 | __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); | |
8303 | __put_user(stfs.f_namelen, &target_stfs->f_namelen); | |
229d3376 | 8304 | __put_user(stfs.f_frsize, &target_stfs->f_frsize); |
d4247ec2 SL |
8305 | #ifdef _STATFS_F_FLAGS |
8306 | __put_user(stfs.f_flags, &target_stfs->f_flags); | |
8307 | #else | |
8308 | __put_user(0, &target_stfs->f_flags); | |
8309 | #endif | |
229d3376 | 8310 | memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); |
53a5960a | 8311 | unlock_user_struct(target_stfs, arg2, 1); |
31e31b8a | 8312 | } |
72eb7ea8 | 8313 | return ret; |
4f7f8924 AR |
8314 | #endif |
8315 | #ifdef TARGET_NR_fstatfs | |
31e31b8a | 8316 | case TARGET_NR_fstatfs: |
56c8f68f | 8317 | ret = get_errno(fstatfs(arg1, &stfs)); |
31e31b8a | 8318 | goto convert_statfs; |
4f7f8924 | 8319 | #endif |
56c8f68f FB |
8320 | #ifdef TARGET_NR_statfs64 |
8321 | case TARGET_NR_statfs64: | |
2852aafd RH |
8322 | if (!(p = lock_user_string(arg1))) { |
8323 | return -TARGET_EFAULT; | |
8324 | } | |
53a5960a PB |
8325 | ret = get_errno(statfs(path(p), &stfs)); |
8326 | unlock_user(p, arg1, 0); | |
56c8f68f FB |
8327 | convert_statfs64: |
8328 | if (!is_error(ret)) { | |
53a5960a | 8329 | struct target_statfs64 *target_stfs; |
3b46e624 | 8330 | |
579a97f7 | 8331 | if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0)) |
2852aafd | 8332 | return -TARGET_EFAULT; |
579a97f7 FB |
8333 | __put_user(stfs.f_type, &target_stfs->f_type); |
8334 | __put_user(stfs.f_bsize, &target_stfs->f_bsize); | |
8335 | __put_user(stfs.f_blocks, &target_stfs->f_blocks); | |
8336 | __put_user(stfs.f_bfree, &target_stfs->f_bfree); | |
8337 | __put_user(stfs.f_bavail, &target_stfs->f_bavail); | |
8338 | __put_user(stfs.f_files, &target_stfs->f_files); | |
8339 | __put_user(stfs.f_ffree, &target_stfs->f_ffree); | |
8340 | __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); | |
8341 | __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); | |
8342 | __put_user(stfs.f_namelen, &target_stfs->f_namelen); | |
229d3376 AG |
8343 | __put_user(stfs.f_frsize, &target_stfs->f_frsize); |
8344 | memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); | |
579a97f7 | 8345 | unlock_user_struct(target_stfs, arg3, 1); |
56c8f68f | 8346 | } |
72eb7ea8 | 8347 | return ret; |
56c8f68f FB |
8348 | case TARGET_NR_fstatfs64: |
8349 | ret = get_errno(fstatfs(arg1, &stfs)); | |
8350 | goto convert_statfs64; | |
8351 | #endif | |
e5febef5 | 8352 | #ifdef TARGET_NR_socketcall |
31e31b8a | 8353 | case TARGET_NR_socketcall: |
72eb7ea8 | 8354 | return do_socketcall(arg1, arg2); |
e5febef5 | 8355 | #endif |
3532fa74 FB |
8356 | #ifdef TARGET_NR_accept |
8357 | case TARGET_NR_accept: | |
72eb7ea8 | 8358 | return do_accept4(arg1, arg2, arg3, 0); |
a94b4987 PM |
8359 | #endif |
8360 | #ifdef TARGET_NR_accept4 | |
8361 | case TARGET_NR_accept4: | |
72eb7ea8 | 8362 | return do_accept4(arg1, arg2, arg3, arg4); |
3532fa74 FB |
8363 | #endif |
8364 | #ifdef TARGET_NR_bind | |
8365 | case TARGET_NR_bind: | |
72eb7ea8 | 8366 | return do_bind(arg1, arg2, arg3); |
3532fa74 FB |
8367 | #endif |
8368 | #ifdef TARGET_NR_connect | |
8369 | case TARGET_NR_connect: | |
72eb7ea8 | 8370 | return do_connect(arg1, arg2, arg3); |
3532fa74 FB |
8371 | #endif |
8372 | #ifdef TARGET_NR_getpeername | |
8373 | case TARGET_NR_getpeername: | |
72eb7ea8 | 8374 | return do_getpeername(arg1, arg2, arg3); |
3532fa74 FB |
8375 | #endif |
8376 | #ifdef TARGET_NR_getsockname | |
8377 | case TARGET_NR_getsockname: | |
72eb7ea8 | 8378 | return do_getsockname(arg1, arg2, arg3); |
3532fa74 FB |
8379 | #endif |
8380 | #ifdef TARGET_NR_getsockopt | |
8381 | case TARGET_NR_getsockopt: | |
72eb7ea8 | 8382 | return do_getsockopt(arg1, arg2, arg3, arg4, arg5); |
3532fa74 FB |
8383 | #endif |
8384 | #ifdef TARGET_NR_listen | |
8385 | case TARGET_NR_listen: | |
72eb7ea8 | 8386 | return get_errno(listen(arg1, arg2)); |
3532fa74 FB |
8387 | #endif |
8388 | #ifdef TARGET_NR_recv | |
8389 | case TARGET_NR_recv: | |
72eb7ea8 | 8390 | return do_recvfrom(arg1, arg2, arg3, arg4, 0, 0); |
3532fa74 FB |
8391 | #endif |
8392 | #ifdef TARGET_NR_recvfrom | |
8393 | case TARGET_NR_recvfrom: | |
72eb7ea8 | 8394 | return do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6); |
3532fa74 FB |
8395 | #endif |
8396 | #ifdef TARGET_NR_recvmsg | |
8397 | case TARGET_NR_recvmsg: | |
72eb7ea8 | 8398 | return do_sendrecvmsg(arg1, arg2, arg3, 0); |
3532fa74 FB |
8399 | #endif |
8400 | #ifdef TARGET_NR_send | |
8401 | case TARGET_NR_send: | |
72eb7ea8 | 8402 | return do_sendto(arg1, arg2, arg3, arg4, 0, 0); |
3532fa74 FB |
8403 | #endif |
8404 | #ifdef TARGET_NR_sendmsg | |
8405 | case TARGET_NR_sendmsg: | |
72eb7ea8 | 8406 | return do_sendrecvmsg(arg1, arg2, arg3, 1); |
3532fa74 | 8407 | #endif |
f19e00d7 AG |
8408 | #ifdef TARGET_NR_sendmmsg |
8409 | case TARGET_NR_sendmmsg: | |
72eb7ea8 | 8410 | return do_sendrecvmmsg(arg1, arg2, arg3, arg4, 1); |
f19e00d7 | 8411 | case TARGET_NR_recvmmsg: |
72eb7ea8 | 8412 | return do_sendrecvmmsg(arg1, arg2, arg3, arg4, 0); |
f19e00d7 | 8413 | #endif |
3532fa74 FB |
8414 | #ifdef TARGET_NR_sendto |
8415 | case TARGET_NR_sendto: | |
72eb7ea8 | 8416 | return do_sendto(arg1, arg2, arg3, arg4, arg5, arg6); |
3532fa74 FB |
8417 | #endif |
8418 | #ifdef TARGET_NR_shutdown | |
8419 | case TARGET_NR_shutdown: | |
72eb7ea8 | 8420 | return get_errno(shutdown(arg1, arg2)); |
3532fa74 | 8421 | #endif |
f894efd1 LV |
8422 | #if defined(TARGET_NR_getrandom) && defined(__NR_getrandom) |
8423 | case TARGET_NR_getrandom: | |
8424 | p = lock_user(VERIFY_WRITE, arg1, arg2, 0); | |
8425 | if (!p) { | |
2852aafd | 8426 | return -TARGET_EFAULT; |
f894efd1 LV |
8427 | } |
8428 | ret = get_errno(getrandom(p, arg2, arg3)); | |
8429 | unlock_user(p, arg1, ret); | |
72eb7ea8 | 8430 | return ret; |
f894efd1 | 8431 | #endif |
3532fa74 FB |
8432 | #ifdef TARGET_NR_socket |
8433 | case TARGET_NR_socket: | |
72eb7ea8 | 8434 | return do_socket(arg1, arg2, arg3); |
3532fa74 FB |
8435 | #endif |
8436 | #ifdef TARGET_NR_socketpair | |
8437 | case TARGET_NR_socketpair: | |
72eb7ea8 | 8438 | return do_socketpair(arg1, arg2, arg3, arg4); |
3532fa74 FB |
8439 | #endif |
8440 | #ifdef TARGET_NR_setsockopt | |
8441 | case TARGET_NR_setsockopt: | |
72eb7ea8 | 8442 | return do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5); |
3532fa74 | 8443 | #endif |
da2c8ad7 | 8444 | #if defined(TARGET_NR_syslog) |
31e31b8a | 8445 | case TARGET_NR_syslog: |
da2c8ad7 AM |
8446 | { |
8447 | int len = arg2; | |
7494b0f9 | 8448 | |
da2c8ad7 AM |
8449 | switch (arg1) { |
8450 | case TARGET_SYSLOG_ACTION_CLOSE: /* Close log */ | |
8451 | case TARGET_SYSLOG_ACTION_OPEN: /* Open log */ | |
8452 | case TARGET_SYSLOG_ACTION_CLEAR: /* Clear ring buffer */ | |
8453 | case TARGET_SYSLOG_ACTION_CONSOLE_OFF: /* Disable logging */ | |
8454 | case TARGET_SYSLOG_ACTION_CONSOLE_ON: /* Enable logging */ | |
8455 | case TARGET_SYSLOG_ACTION_CONSOLE_LEVEL: /* Set messages level */ | |
8456 | case TARGET_SYSLOG_ACTION_SIZE_UNREAD: /* Number of chars */ | |
8457 | case TARGET_SYSLOG_ACTION_SIZE_BUFFER: /* Size of the buffer */ | |
72eb7ea8 | 8458 | return get_errno(sys_syslog((int)arg1, NULL, (int)arg3)); |
da2c8ad7 AM |
8459 | case TARGET_SYSLOG_ACTION_READ: /* Read from log */ |
8460 | case TARGET_SYSLOG_ACTION_READ_CLEAR: /* Read/clear msgs */ | |
8461 | case TARGET_SYSLOG_ACTION_READ_ALL: /* Read last messages */ | |
8462 | { | |
da2c8ad7 | 8463 | if (len < 0) { |
259841c1 | 8464 | return -TARGET_EINVAL; |
da2c8ad7 | 8465 | } |
da2c8ad7 | 8466 | if (len == 0) { |
72eb7ea8 | 8467 | return 0; |
da2c8ad7 AM |
8468 | } |
8469 | p = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
8470 | if (!p) { | |
259841c1 | 8471 | return -TARGET_EFAULT; |
da2c8ad7 AM |
8472 | } |
8473 | ret = get_errno(sys_syslog((int)arg1, p, (int)arg3)); | |
8474 | unlock_user(p, arg2, arg3); | |
8475 | } | |
72eb7ea8 | 8476 | return ret; |
da2c8ad7 | 8477 | default: |
72eb7ea8 | 8478 | return -TARGET_EINVAL; |
da2c8ad7 AM |
8479 | } |
8480 | } | |
8481 | break; | |
8482 | #endif | |
31e31b8a | 8483 | case TARGET_NR_setitimer: |
66fb9763 | 8484 | { |
66fb9763 FB |
8485 | struct itimerval value, ovalue, *pvalue; |
8486 | ||
53a5960a | 8487 | if (arg2) { |
66fb9763 | 8488 | pvalue = &value; |
788f5ec4 TS |
8489 | if (copy_from_user_timeval(&pvalue->it_interval, arg2) |
8490 | || copy_from_user_timeval(&pvalue->it_value, | |
8491 | arg2 + sizeof(struct target_timeval))) | |
2852aafd | 8492 | return -TARGET_EFAULT; |
66fb9763 FB |
8493 | } else { |
8494 | pvalue = NULL; | |
8495 | } | |
8496 | ret = get_errno(setitimer(arg1, pvalue, &ovalue)); | |
53a5960a | 8497 | if (!is_error(ret) && arg3) { |
788f5ec4 TS |
8498 | if (copy_to_user_timeval(arg3, |
8499 | &ovalue.it_interval) | |
8500 | || copy_to_user_timeval(arg3 + sizeof(struct target_timeval), | |
8501 | &ovalue.it_value)) | |
2852aafd | 8502 | return -TARGET_EFAULT; |
66fb9763 FB |
8503 | } |
8504 | } | |
72eb7ea8 | 8505 | return ret; |
31e31b8a | 8506 | case TARGET_NR_getitimer: |
66fb9763 | 8507 | { |
66fb9763 | 8508 | struct itimerval value; |
3b46e624 | 8509 | |
66fb9763 | 8510 | ret = get_errno(getitimer(arg1, &value)); |
53a5960a | 8511 | if (!is_error(ret) && arg2) { |
788f5ec4 TS |
8512 | if (copy_to_user_timeval(arg2, |
8513 | &value.it_interval) | |
8514 | || copy_to_user_timeval(arg2 + sizeof(struct target_timeval), | |
8515 | &value.it_value)) | |
2852aafd | 8516 | return -TARGET_EFAULT; |
66fb9763 FB |
8517 | } |
8518 | } | |
72eb7ea8 | 8519 | return ret; |
704eff6c | 8520 | #ifdef TARGET_NR_stat |
31e31b8a | 8521 | case TARGET_NR_stat: |
2852aafd RH |
8522 | if (!(p = lock_user_string(arg1))) { |
8523 | return -TARGET_EFAULT; | |
8524 | } | |
53a5960a PB |
8525 | ret = get_errno(stat(path(p), &st)); |
8526 | unlock_user(p, arg1, 0); | |
31e31b8a | 8527 | goto do_stat; |
704eff6c CG |
8528 | #endif |
8529 | #ifdef TARGET_NR_lstat | |
31e31b8a | 8530 | case TARGET_NR_lstat: |
2852aafd RH |
8531 | if (!(p = lock_user_string(arg1))) { |
8532 | return -TARGET_EFAULT; | |
8533 | } | |
53a5960a PB |
8534 | ret = get_errno(lstat(path(p), &st)); |
8535 | unlock_user(p, arg1, 0); | |
31e31b8a | 8536 | goto do_stat; |
704eff6c | 8537 | #endif |
4f7f8924 | 8538 | #ifdef TARGET_NR_fstat |
31e31b8a FB |
8539 | case TARGET_NR_fstat: |
8540 | { | |
8541 | ret = get_errno(fstat(arg1, &st)); | |
704eff6c | 8542 | #if defined(TARGET_NR_stat) || defined(TARGET_NR_lstat) |
31e31b8a | 8543 | do_stat: |
704eff6c | 8544 | #endif |
31e31b8a | 8545 | if (!is_error(ret)) { |
53a5960a | 8546 | struct target_stat *target_st; |
e3584658 | 8547 | |
579a97f7 | 8548 | if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0)) |
2852aafd | 8549 | return -TARGET_EFAULT; |
12727917 | 8550 | memset(target_st, 0, sizeof(*target_st)); |
d2fd1af7 FB |
8551 | __put_user(st.st_dev, &target_st->st_dev); |
8552 | __put_user(st.st_ino, &target_st->st_ino); | |
8553 | __put_user(st.st_mode, &target_st->st_mode); | |
8554 | __put_user(st.st_uid, &target_st->st_uid); | |
8555 | __put_user(st.st_gid, &target_st->st_gid); | |
8556 | __put_user(st.st_nlink, &target_st->st_nlink); | |
8557 | __put_user(st.st_rdev, &target_st->st_rdev); | |
8558 | __put_user(st.st_size, &target_st->st_size); | |
8559 | __put_user(st.st_blksize, &target_st->st_blksize); | |
8560 | __put_user(st.st_blocks, &target_st->st_blocks); | |
8561 | __put_user(st.st_atime, &target_st->target_st_atime); | |
8562 | __put_user(st.st_mtime, &target_st->target_st_mtime); | |
8563 | __put_user(st.st_ctime, &target_st->target_st_ctime); | |
53a5960a | 8564 | unlock_user_struct(target_st, arg2, 1); |
31e31b8a FB |
8565 | } |
8566 | } | |
72eb7ea8 | 8567 | return ret; |
ebc05488 | 8568 | #endif |
31e31b8a | 8569 | case TARGET_NR_vhangup: |
72eb7ea8 | 8570 | return get_errno(vhangup()); |
42ad6ae9 FB |
8571 | #ifdef TARGET_NR_syscall |
8572 | case TARGET_NR_syscall: | |
72eb7ea8 RH |
8573 | return do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5, |
8574 | arg6, arg7, arg8, 0); | |
ebc05488 | 8575 | #endif |
31e31b8a FB |
8576 | case TARGET_NR_wait4: |
8577 | { | |
8578 | int status; | |
992f48a0 | 8579 | abi_long status_ptr = arg2; |
31e31b8a | 8580 | struct rusage rusage, *rusage_ptr; |
992f48a0 | 8581 | abi_ulong target_rusage = arg4; |
a39fb273 | 8582 | abi_long rusage_err; |
31e31b8a FB |
8583 | if (target_rusage) |
8584 | rusage_ptr = &rusage; | |
8585 | else | |
8586 | rusage_ptr = NULL; | |
4af80a37 | 8587 | ret = get_errno(safe_wait4(arg1, &status, arg3, rusage_ptr)); |
31e31b8a | 8588 | if (!is_error(ret)) { |
5379557b | 8589 | if (status_ptr && ret) { |
1d9d8b55 | 8590 | status = host_to_target_waitstatus(status); |
2f619698 | 8591 | if (put_user_s32(status, status_ptr)) |
2852aafd | 8592 | return -TARGET_EFAULT; |
31e31b8a | 8593 | } |
a39fb273 PJ |
8594 | if (target_rusage) { |
8595 | rusage_err = host_to_target_rusage(target_rusage, &rusage); | |
8596 | if (rusage_err) { | |
8597 | ret = rusage_err; | |
8598 | } | |
8599 | } | |
31e31b8a FB |
8600 | } |
8601 | } | |
72eb7ea8 | 8602 | return ret; |
e5febef5 | 8603 | #ifdef TARGET_NR_swapoff |
31e31b8a | 8604 | case TARGET_NR_swapoff: |
579a97f7 | 8605 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8606 | return -TARGET_EFAULT; |
53a5960a PB |
8607 | ret = get_errno(swapoff(p)); |
8608 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 8609 | return ret; |
e5febef5 | 8610 | #endif |
31e31b8a | 8611 | case TARGET_NR_sysinfo: |
a5448a7d | 8612 | { |
53a5960a | 8613 | struct target_sysinfo *target_value; |
a5448a7d FB |
8614 | struct sysinfo value; |
8615 | ret = get_errno(sysinfo(&value)); | |
53a5960a | 8616 | if (!is_error(ret) && arg1) |
a5448a7d | 8617 | { |
579a97f7 | 8618 | if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0)) |
2852aafd | 8619 | return -TARGET_EFAULT; |
a5448a7d FB |
8620 | __put_user(value.uptime, &target_value->uptime); |
8621 | __put_user(value.loads[0], &target_value->loads[0]); | |
8622 | __put_user(value.loads[1], &target_value->loads[1]); | |
8623 | __put_user(value.loads[2], &target_value->loads[2]); | |
8624 | __put_user(value.totalram, &target_value->totalram); | |
8625 | __put_user(value.freeram, &target_value->freeram); | |
8626 | __put_user(value.sharedram, &target_value->sharedram); | |
8627 | __put_user(value.bufferram, &target_value->bufferram); | |
8628 | __put_user(value.totalswap, &target_value->totalswap); | |
8629 | __put_user(value.freeswap, &target_value->freeswap); | |
8630 | __put_user(value.procs, &target_value->procs); | |
8631 | __put_user(value.totalhigh, &target_value->totalhigh); | |
8632 | __put_user(value.freehigh, &target_value->freehigh); | |
8633 | __put_user(value.mem_unit, &target_value->mem_unit); | |
53a5960a | 8634 | unlock_user_struct(target_value, arg1, 1); |
a5448a7d FB |
8635 | } |
8636 | } | |
72eb7ea8 | 8637 | return ret; |
e5febef5 | 8638 | #ifdef TARGET_NR_ipc |
31e31b8a | 8639 | case TARGET_NR_ipc: |
72eb7ea8 | 8640 | return do_ipc(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); |
e5febef5 | 8641 | #endif |
e5289087 AJ |
8642 | #ifdef TARGET_NR_semget |
8643 | case TARGET_NR_semget: | |
72eb7ea8 | 8644 | return get_errno(semget(arg1, arg2, arg3)); |
e5289087 AJ |
8645 | #endif |
8646 | #ifdef TARGET_NR_semop | |
8647 | case TARGET_NR_semop: | |
72eb7ea8 | 8648 | return do_semop(arg1, arg2, arg3); |
e5289087 AJ |
8649 | #endif |
8650 | #ifdef TARGET_NR_semctl | |
8651 | case TARGET_NR_semctl: | |
72eb7ea8 | 8652 | return do_semctl(arg1, arg2, arg3, arg4); |
e5289087 | 8653 | #endif |
eeb438c1 AJ |
8654 | #ifdef TARGET_NR_msgctl |
8655 | case TARGET_NR_msgctl: | |
72eb7ea8 | 8656 | return do_msgctl(arg1, arg2, arg3); |
eeb438c1 AJ |
8657 | #endif |
8658 | #ifdef TARGET_NR_msgget | |
8659 | case TARGET_NR_msgget: | |
72eb7ea8 | 8660 | return get_errno(msgget(arg1, arg2)); |
eeb438c1 AJ |
8661 | #endif |
8662 | #ifdef TARGET_NR_msgrcv | |
8663 | case TARGET_NR_msgrcv: | |
72eb7ea8 | 8664 | return do_msgrcv(arg1, arg2, arg3, arg4, arg5); |
eeb438c1 AJ |
8665 | #endif |
8666 | #ifdef TARGET_NR_msgsnd | |
8667 | case TARGET_NR_msgsnd: | |
72eb7ea8 | 8668 | return do_msgsnd(arg1, arg2, arg3, arg4); |
88a8c984 RV |
8669 | #endif |
8670 | #ifdef TARGET_NR_shmget | |
8671 | case TARGET_NR_shmget: | |
72eb7ea8 | 8672 | return get_errno(shmget(arg1, arg2, arg3)); |
88a8c984 RV |
8673 | #endif |
8674 | #ifdef TARGET_NR_shmctl | |
8675 | case TARGET_NR_shmctl: | |
72eb7ea8 | 8676 | return do_shmctl(arg1, arg2, arg3); |
88a8c984 RV |
8677 | #endif |
8678 | #ifdef TARGET_NR_shmat | |
8679 | case TARGET_NR_shmat: | |
72eb7ea8 | 8680 | return do_shmat(cpu_env, arg1, arg2, arg3); |
88a8c984 RV |
8681 | #endif |
8682 | #ifdef TARGET_NR_shmdt | |
8683 | case TARGET_NR_shmdt: | |
72eb7ea8 | 8684 | return do_shmdt(arg1); |
eeb438c1 | 8685 | #endif |
31e31b8a | 8686 | case TARGET_NR_fsync: |
72eb7ea8 | 8687 | return get_errno(fsync(arg1)); |
31e31b8a | 8688 | case TARGET_NR_clone: |
4ce6243d PM |
8689 | /* Linux manages to have three different orderings for its |
8690 | * arguments to clone(); the BACKWARDS and BACKWARDS2 defines | |
8691 | * match the kernel's CONFIG_CLONE_* settings. | |
8692 | * Microblaze is further special in that it uses a sixth | |
8693 | * implicit argument to clone for the TLS pointer. | |
8694 | */ | |
8695 | #if defined(TARGET_MICROBLAZE) | |
a5b3bdcb | 8696 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg4, arg6, arg5)); |
4ce6243d PM |
8697 | #elif defined(TARGET_CLONE_BACKWARDS) |
8698 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5)); | |
8699 | #elif defined(TARGET_CLONE_BACKWARDS2) | |
a4c075f1 | 8700 | ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4)); |
0b6d3ae0 | 8701 | #else |
4ce6243d | 8702 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4)); |
0b6d3ae0 | 8703 | #endif |
72eb7ea8 | 8704 | return ret; |
ec86b0fb FB |
8705 | #ifdef __NR_exit_group |
8706 | /* new thread calls */ | |
8707 | case TARGET_NR_exit_group: | |
708b6a64 | 8708 | preexit_cleanup(cpu_env, arg1); |
72eb7ea8 | 8709 | return get_errno(exit_group(arg1)); |
ec86b0fb | 8710 | #endif |
31e31b8a | 8711 | case TARGET_NR_setdomainname: |
579a97f7 | 8712 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8713 | return -TARGET_EFAULT; |
53a5960a PB |
8714 | ret = get_errno(setdomainname(p, arg2)); |
8715 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 8716 | return ret; |
31e31b8a FB |
8717 | case TARGET_NR_uname: |
8718 | /* no need to transcode because we use the linux syscall */ | |
29e619b1 FB |
8719 | { |
8720 | struct new_utsname * buf; | |
3b46e624 | 8721 | |
579a97f7 | 8722 | if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0)) |
2852aafd | 8723 | return -TARGET_EFAULT; |
29e619b1 FB |
8724 | ret = get_errno(sys_uname(buf)); |
8725 | if (!is_error(ret)) { | |
332c9781 | 8726 | /* Overwrite the native machine name with whatever is being |
29e619b1 | 8727 | emulated. */ |
871f95c6 PMD |
8728 | g_strlcpy(buf->machine, cpu_to_uname_machine(cpu_env), |
8729 | sizeof(buf->machine)); | |
c5937220 | 8730 | /* Allow the user to override the reported release. */ |
332c9781 PM |
8731 | if (qemu_uname_release && *qemu_uname_release) { |
8732 | g_strlcpy(buf->release, qemu_uname_release, | |
8733 | sizeof(buf->release)); | |
8734 | } | |
29e619b1 | 8735 | } |
53a5960a | 8736 | unlock_user_struct(buf, arg1, 1); |
29e619b1 | 8737 | } |
72eb7ea8 | 8738 | return ret; |
6dbad63e | 8739 | #ifdef TARGET_I386 |
31e31b8a | 8740 | case TARGET_NR_modify_ldt: |
72eb7ea8 | 8741 | return do_modify_ldt(cpu_env, arg1, arg2, arg3); |
84409ddb | 8742 | #if !defined(TARGET_X86_64) |
5cd4393b | 8743 | case TARGET_NR_vm86: |
72eb7ea8 | 8744 | return do_vm86(cpu_env, arg1, arg2); |
84409ddb | 8745 | #endif |
6dbad63e | 8746 | #endif |
31e31b8a | 8747 | case TARGET_NR_adjtimex: |
19f59bce AM |
8748 | { |
8749 | struct timex host_buf; | |
8750 | ||
8751 | if (target_to_host_timex(&host_buf, arg1) != 0) { | |
2852aafd | 8752 | return -TARGET_EFAULT; |
19f59bce AM |
8753 | } |
8754 | ret = get_errno(adjtimex(&host_buf)); | |
8755 | if (!is_error(ret)) { | |
8756 | if (host_to_target_timex(arg1, &host_buf) != 0) { | |
2852aafd | 8757 | return -TARGET_EFAULT; |
19f59bce AM |
8758 | } |
8759 | } | |
8760 | } | |
72eb7ea8 | 8761 | return ret; |
38860a03 AM |
8762 | #if defined(TARGET_NR_clock_adjtime) && defined(CONFIG_CLOCK_ADJTIME) |
8763 | case TARGET_NR_clock_adjtime: | |
8764 | { | |
8765 | struct timex htx, *phtx = &htx; | |
8766 | ||
8767 | if (target_to_host_timex(phtx, arg2) != 0) { | |
2852aafd | 8768 | return -TARGET_EFAULT; |
38860a03 AM |
8769 | } |
8770 | ret = get_errno(clock_adjtime(arg1, phtx)); | |
8771 | if (!is_error(ret) && phtx) { | |
8772 | if (host_to_target_timex(arg2, phtx) != 0) { | |
2852aafd | 8773 | return -TARGET_EFAULT; |
38860a03 AM |
8774 | } |
8775 | } | |
8776 | } | |
72eb7ea8 | 8777 | return ret; |
38860a03 | 8778 | #endif |
31e31b8a | 8779 | case TARGET_NR_getpgid: |
72eb7ea8 | 8780 | return get_errno(getpgid(arg1)); |
31e31b8a | 8781 | case TARGET_NR_fchdir: |
72eb7ea8 | 8782 | return get_errno(fchdir(arg1)); |
31e31b8a | 8783 | case TARGET_NR_personality: |
72eb7ea8 | 8784 | return get_errno(personality(arg1)); |
7a3148a9 | 8785 | #ifdef TARGET_NR__llseek /* Not on alpha */ |
31e31b8a FB |
8786 | case TARGET_NR__llseek: |
8787 | { | |
0c1592d9 | 8788 | int64_t res; |
d35b261c | 8789 | #if !defined(__NR_llseek) |
9fea273c | 8790 | res = lseek(arg1, ((uint64_t)arg2 << 32) | (abi_ulong)arg3, arg5); |
0c1592d9 PM |
8791 | if (res == -1) { |
8792 | ret = get_errno(res); | |
8793 | } else { | |
8794 | ret = 0; | |
8795 | } | |
4f2ac237 | 8796 | #else |
31e31b8a | 8797 | ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); |
4f2ac237 | 8798 | #endif |
0c1592d9 | 8799 | if ((ret == 0) && put_user_s64(res, arg4)) { |
2852aafd | 8800 | return -TARGET_EFAULT; |
0c1592d9 | 8801 | } |
31e31b8a | 8802 | } |
72eb7ea8 | 8803 | return ret; |
7a3148a9 | 8804 | #endif |
704eff6c | 8805 | #ifdef TARGET_NR_getdents |
31e31b8a | 8806 | case TARGET_NR_getdents: |
2b3f64cb | 8807 | #ifdef EMULATE_GETDENTS_WITH_GETDENTS |
d83c8733 | 8808 | #if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64 |
4add45b4 | 8809 | { |
53a5960a | 8810 | struct target_dirent *target_dirp; |
6556a833 | 8811 | struct linux_dirent *dirp; |
992f48a0 | 8812 | abi_long count = arg3; |
4add45b4 | 8813 | |
0e173b24 HK |
8814 | dirp = g_try_malloc(count); |
8815 | if (!dirp) { | |
259841c1 | 8816 | return -TARGET_ENOMEM; |
0da46a6e | 8817 | } |
3b46e624 | 8818 | |
4add45b4 FB |
8819 | ret = get_errno(sys_getdents(arg1, dirp, count)); |
8820 | if (!is_error(ret)) { | |
6556a833 | 8821 | struct linux_dirent *de; |
4add45b4 FB |
8822 | struct target_dirent *tde; |
8823 | int len = ret; | |
8824 | int reclen, treclen; | |
8825 | int count1, tnamelen; | |
8826 | ||
8827 | count1 = 0; | |
8828 | de = dirp; | |
579a97f7 | 8829 | if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
2852aafd | 8830 | return -TARGET_EFAULT; |
4add45b4 FB |
8831 | tde = target_dirp; |
8832 | while (len > 0) { | |
8833 | reclen = de->d_reclen; | |
333858b7 DL |
8834 | tnamelen = reclen - offsetof(struct linux_dirent, d_name); |
8835 | assert(tnamelen >= 0); | |
8836 | treclen = tnamelen + offsetof(struct target_dirent, d_name); | |
8837 | assert(count1 + treclen <= count); | |
4add45b4 | 8838 | tde->d_reclen = tswap16(treclen); |
cbb21eed MB |
8839 | tde->d_ino = tswapal(de->d_ino); |
8840 | tde->d_off = tswapal(de->d_off); | |
333858b7 | 8841 | memcpy(tde->d_name, de->d_name, tnamelen); |
6556a833 | 8842 | de = (struct linux_dirent *)((char *)de + reclen); |
4add45b4 | 8843 | len -= reclen; |
1c5bf3bf | 8844 | tde = (struct target_dirent *)((char *)tde + treclen); |
4add45b4 FB |
8845 | count1 += treclen; |
8846 | } | |
8847 | ret = count1; | |
579a97f7 | 8848 | unlock_user(target_dirp, arg2, ret); |
4add45b4 | 8849 | } |
0e173b24 | 8850 | g_free(dirp); |
4add45b4 FB |
8851 | } |
8852 | #else | |
31e31b8a | 8853 | { |
6556a833 | 8854 | struct linux_dirent *dirp; |
992f48a0 | 8855 | abi_long count = arg3; |
dab2ed99 | 8856 | |
579a97f7 | 8857 | if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
2852aafd | 8858 | return -TARGET_EFAULT; |
72f03900 | 8859 | ret = get_errno(sys_getdents(arg1, dirp, count)); |
31e31b8a | 8860 | if (!is_error(ret)) { |
6556a833 | 8861 | struct linux_dirent *de; |
31e31b8a FB |
8862 | int len = ret; |
8863 | int reclen; | |
8864 | de = dirp; | |
8865 | while (len > 0) { | |
8083a3e5 | 8866 | reclen = de->d_reclen; |
31e31b8a FB |
8867 | if (reclen > len) |
8868 | break; | |
8083a3e5 | 8869 | de->d_reclen = tswap16(reclen); |
31e31b8a FB |
8870 | tswapls(&de->d_ino); |
8871 | tswapls(&de->d_off); | |
6556a833 | 8872 | de = (struct linux_dirent *)((char *)de + reclen); |
31e31b8a FB |
8873 | len -= reclen; |
8874 | } | |
8875 | } | |
53a5960a | 8876 | unlock_user(dirp, arg2, ret); |
3307e236 PM |
8877 | } |
8878 | #endif | |
8879 | #else | |
8880 | /* Implement getdents in terms of getdents64 */ | |
8881 | { | |
8882 | struct linux_dirent64 *dirp; | |
8883 | abi_long count = arg3; | |
8884 | ||
8885 | dirp = lock_user(VERIFY_WRITE, arg2, count, 0); | |
8886 | if (!dirp) { | |
2852aafd | 8887 | return -TARGET_EFAULT; |
3307e236 PM |
8888 | } |
8889 | ret = get_errno(sys_getdents64(arg1, dirp, count)); | |
8890 | if (!is_error(ret)) { | |
8891 | /* Convert the dirent64 structs to target dirent. We do this | |
8892 | * in-place, since we can guarantee that a target_dirent is no | |
8893 | * larger than a dirent64; however this means we have to be | |
8894 | * careful to read everything before writing in the new format. | |
8895 | */ | |
8896 | struct linux_dirent64 *de; | |
8897 | struct target_dirent *tde; | |
8898 | int len = ret; | |
8899 | int tlen = 0; | |
8900 | ||
8901 | de = dirp; | |
8902 | tde = (struct target_dirent *)dirp; | |
8903 | while (len > 0) { | |
8904 | int namelen, treclen; | |
8905 | int reclen = de->d_reclen; | |
8906 | uint64_t ino = de->d_ino; | |
8907 | int64_t off = de->d_off; | |
8908 | uint8_t type = de->d_type; | |
8909 | ||
8910 | namelen = strlen(de->d_name); | |
8911 | treclen = offsetof(struct target_dirent, d_name) | |
8912 | + namelen + 2; | |
8913 | treclen = QEMU_ALIGN_UP(treclen, sizeof(abi_long)); | |
8914 | ||
8915 | memmove(tde->d_name, de->d_name, namelen + 1); | |
8916 | tde->d_ino = tswapal(ino); | |
8917 | tde->d_off = tswapal(off); | |
8918 | tde->d_reclen = tswap16(treclen); | |
8919 | /* The target_dirent type is in what was formerly a padding | |
8920 | * byte at the end of the structure: | |
8921 | */ | |
8922 | *(((char *)tde) + treclen - 1) = type; | |
8923 | ||
8924 | de = (struct linux_dirent64 *)((char *)de + reclen); | |
8925 | tde = (struct target_dirent *)((char *)tde + treclen); | |
8926 | len -= reclen; | |
8927 | tlen += treclen; | |
8928 | } | |
8929 | ret = tlen; | |
8930 | } | |
8931 | unlock_user(dirp, arg2, ret); | |
31e31b8a | 8932 | } |
4add45b4 | 8933 | #endif |
72eb7ea8 | 8934 | return ret; |
704eff6c | 8935 | #endif /* TARGET_NR_getdents */ |
3ae43202 | 8936 | #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64) |
dab2ed99 FB |
8937 | case TARGET_NR_getdents64: |
8938 | { | |
6556a833 | 8939 | struct linux_dirent64 *dirp; |
992f48a0 | 8940 | abi_long count = arg3; |
579a97f7 | 8941 | if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
2852aafd | 8942 | return -TARGET_EFAULT; |
dab2ed99 FB |
8943 | ret = get_errno(sys_getdents64(arg1, dirp, count)); |
8944 | if (!is_error(ret)) { | |
6556a833 | 8945 | struct linux_dirent64 *de; |
dab2ed99 FB |
8946 | int len = ret; |
8947 | int reclen; | |
8948 | de = dirp; | |
8949 | while (len > 0) { | |
8083a3e5 | 8950 | reclen = de->d_reclen; |
dab2ed99 FB |
8951 | if (reclen > len) |
8952 | break; | |
8083a3e5 | 8953 | de->d_reclen = tswap16(reclen); |
8582a53a FB |
8954 | tswap64s((uint64_t *)&de->d_ino); |
8955 | tswap64s((uint64_t *)&de->d_off); | |
6556a833 | 8956 | de = (struct linux_dirent64 *)((char *)de + reclen); |
dab2ed99 FB |
8957 | len -= reclen; |
8958 | } | |
8959 | } | |
53a5960a | 8960 | unlock_user(dirp, arg2, ret); |
dab2ed99 | 8961 | } |
72eb7ea8 | 8962 | return ret; |
a541f297 | 8963 | #endif /* TARGET_NR_getdents64 */ |
9468a5d4 | 8964 | #if defined(TARGET_NR__newselect) |
31e31b8a | 8965 | case TARGET_NR__newselect: |
72eb7ea8 | 8966 | return do_select(arg1, arg2, arg3, arg4, arg5); |
e5febef5 | 8967 | #endif |
d8035d4c MF |
8968 | #if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll) |
8969 | # ifdef TARGET_NR_poll | |
9de5e440 | 8970 | case TARGET_NR_poll: |
d8035d4c MF |
8971 | # endif |
8972 | # ifdef TARGET_NR_ppoll | |
8973 | case TARGET_NR_ppoll: | |
8974 | # endif | |
9de5e440 | 8975 | { |
53a5960a | 8976 | struct target_pollfd *target_pfd; |
9de5e440 | 8977 | unsigned int nfds = arg2; |
9de5e440 | 8978 | struct pollfd *pfd; |
7854b056 | 8979 | unsigned int i; |
9de5e440 | 8980 | |
3e24bb3f LV |
8981 | pfd = NULL; |
8982 | target_pfd = NULL; | |
8983 | if (nfds) { | |
ce9c139d | 8984 | if (nfds > (INT_MAX / sizeof(struct target_pollfd))) { |
72eb7ea8 | 8985 | return -TARGET_EINVAL; |
ce9c139d PM |
8986 | } |
8987 | ||
3e24bb3f LV |
8988 | target_pfd = lock_user(VERIFY_WRITE, arg1, |
8989 | sizeof(struct target_pollfd) * nfds, 1); | |
8990 | if (!target_pfd) { | |
2852aafd | 8991 | return -TARGET_EFAULT; |
3e24bb3f | 8992 | } |
d8035d4c | 8993 | |
3e24bb3f LV |
8994 | pfd = alloca(sizeof(struct pollfd) * nfds); |
8995 | for (i = 0; i < nfds; i++) { | |
8996 | pfd[i].fd = tswap32(target_pfd[i].fd); | |
8997 | pfd[i].events = tswap16(target_pfd[i].events); | |
8998 | } | |
9de5e440 | 8999 | } |
d8035d4c | 9000 | |
a6130237 | 9001 | switch (num) { |
d8035d4c | 9002 | # ifdef TARGET_NR_ppoll |
a6130237 PM |
9003 | case TARGET_NR_ppoll: |
9004 | { | |
d8035d4c MF |
9005 | struct timespec _timeout_ts, *timeout_ts = &_timeout_ts; |
9006 | target_sigset_t *target_set; | |
9007 | sigset_t _set, *set = &_set; | |
9008 | ||
9009 | if (arg3) { | |
9010 | if (target_to_host_timespec(timeout_ts, arg3)) { | |
9011 | unlock_user(target_pfd, arg1, 0); | |
2852aafd | 9012 | return -TARGET_EFAULT; |
d8035d4c MF |
9013 | } |
9014 | } else { | |
9015 | timeout_ts = NULL; | |
9016 | } | |
9017 | ||
9018 | if (arg4) { | |
c815701e PM |
9019 | if (arg5 != sizeof(target_sigset_t)) { |
9020 | unlock_user(target_pfd, arg1, 0); | |
72eb7ea8 | 9021 | return -TARGET_EINVAL; |
c815701e PM |
9022 | } |
9023 | ||
d8035d4c MF |
9024 | target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1); |
9025 | if (!target_set) { | |
9026 | unlock_user(target_pfd, arg1, 0); | |
2852aafd | 9027 | return -TARGET_EFAULT; |
d8035d4c MF |
9028 | } |
9029 | target_to_host_sigset(set, target_set); | |
9030 | } else { | |
9031 | set = NULL; | |
9032 | } | |
9033 | ||
a6130237 PM |
9034 | ret = get_errno(safe_ppoll(pfd, nfds, timeout_ts, |
9035 | set, SIGSET_T_SIZE)); | |
d8035d4c MF |
9036 | |
9037 | if (!is_error(ret) && arg3) { | |
9038 | host_to_target_timespec(arg3, timeout_ts); | |
9039 | } | |
9040 | if (arg4) { | |
9041 | unlock_user(target_set, arg4, 0); | |
9042 | } | |
a6130237 PM |
9043 | break; |
9044 | } | |
d8035d4c | 9045 | # endif |
a6130237 PM |
9046 | # ifdef TARGET_NR_poll |
9047 | case TARGET_NR_poll: | |
9048 | { | |
9049 | struct timespec ts, *pts; | |
9050 | ||
9051 | if (arg3 >= 0) { | |
9052 | /* Convert ms to secs, ns */ | |
9053 | ts.tv_sec = arg3 / 1000; | |
9054 | ts.tv_nsec = (arg3 % 1000) * 1000000LL; | |
9055 | pts = &ts; | |
9056 | } else { | |
9057 | /* -ve poll() timeout means "infinite" */ | |
9058 | pts = NULL; | |
9059 | } | |
9060 | ret = get_errno(safe_ppoll(pfd, nfds, pts, NULL, 0)); | |
9061 | break; | |
9062 | } | |
d8035d4c | 9063 | # endif |
a6130237 PM |
9064 | default: |
9065 | g_assert_not_reached(); | |
9066 | } | |
d8035d4c | 9067 | |
9de5e440 FB |
9068 | if (!is_error(ret)) { |
9069 | for(i = 0; i < nfds; i++) { | |
5cd4393b | 9070 | target_pfd[i].revents = tswap16(pfd[i].revents); |
9de5e440 FB |
9071 | } |
9072 | } | |
30cb4cde | 9073 | unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds); |
9de5e440 | 9074 | } |
72eb7ea8 | 9075 | return ret; |
e5febef5 | 9076 | #endif |
31e31b8a | 9077 | case TARGET_NR_flock: |
9de5e440 FB |
9078 | /* NOTE: the flock constant seems to be the same for every |
9079 | Linux platform */ | |
72eb7ea8 | 9080 | return get_errno(safe_flock(arg1, arg2)); |
31e31b8a FB |
9081 | case TARGET_NR_readv: |
9082 | { | |
f287b2c2 RH |
9083 | struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0); |
9084 | if (vec != NULL) { | |
918c03ed | 9085 | ret = get_errno(safe_readv(arg1, vec, arg3)); |
f287b2c2 RH |
9086 | unlock_iovec(vec, arg2, arg3, 1); |
9087 | } else { | |
9088 | ret = -host_to_target_errno(errno); | |
9089 | } | |
31e31b8a | 9090 | } |
72eb7ea8 | 9091 | return ret; |
31e31b8a FB |
9092 | case TARGET_NR_writev: |
9093 | { | |
f287b2c2 RH |
9094 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); |
9095 | if (vec != NULL) { | |
918c03ed | 9096 | ret = get_errno(safe_writev(arg1, vec, arg3)); |
f287b2c2 RH |
9097 | unlock_iovec(vec, arg2, arg3, 0); |
9098 | } else { | |
9099 | ret = -host_to_target_errno(errno); | |
9100 | } | |
31e31b8a | 9101 | } |
72eb7ea8 | 9102 | return ret; |
0f26386c DJ |
9103 | #if defined(TARGET_NR_preadv) |
9104 | case TARGET_NR_preadv: | |
9105 | { | |
9106 | struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0); | |
9107 | if (vec != NULL) { | |
9ac22517 MF |
9108 | unsigned long low, high; |
9109 | ||
9110 | target_to_host_low_high(arg4, arg5, &low, &high); | |
9111 | ret = get_errno(safe_preadv(arg1, vec, arg3, low, high)); | |
0f26386c DJ |
9112 | unlock_iovec(vec, arg2, arg3, 1); |
9113 | } else { | |
9114 | ret = -host_to_target_errno(errno); | |
f8d00fba DJ |
9115 | } |
9116 | } | |
72eb7ea8 | 9117 | return ret; |
f8d00fba DJ |
9118 | #endif |
9119 | #if defined(TARGET_NR_pwritev) | |
9120 | case TARGET_NR_pwritev: | |
9121 | { | |
9122 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); | |
9123 | if (vec != NULL) { | |
9ac22517 MF |
9124 | unsigned long low, high; |
9125 | ||
9126 | target_to_host_low_high(arg4, arg5, &low, &high); | |
9127 | ret = get_errno(safe_pwritev(arg1, vec, arg3, low, high)); | |
f8d00fba DJ |
9128 | unlock_iovec(vec, arg2, arg3, 0); |
9129 | } else { | |
9130 | ret = -host_to_target_errno(errno); | |
0f26386c DJ |
9131 | } |
9132 | } | |
72eb7ea8 | 9133 | return ret; |
0f26386c | 9134 | #endif |
31e31b8a | 9135 | case TARGET_NR_getsid: |
72eb7ea8 | 9136 | return get_errno(getsid(arg1)); |
7a3148a9 | 9137 | #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */ |
31e31b8a | 9138 | case TARGET_NR_fdatasync: |
72eb7ea8 | 9139 | return get_errno(fdatasync(arg1)); |
7a3148a9 | 9140 | #endif |
704eff6c | 9141 | #ifdef TARGET_NR__sysctl |
31e31b8a | 9142 | case TARGET_NR__sysctl: |
0da46a6e | 9143 | /* We don't implement this, but ENOTDIR is always a safe |
29e619b1 | 9144 | return value. */ |
72eb7ea8 | 9145 | return -TARGET_ENOTDIR; |
704eff6c | 9146 | #endif |
737de1d1 MF |
9147 | case TARGET_NR_sched_getaffinity: |
9148 | { | |
9149 | unsigned int mask_size; | |
9150 | unsigned long *mask; | |
9151 | ||
9152 | /* | |
9153 | * sched_getaffinity needs multiples of ulong, so need to take | |
9154 | * care of mismatches between target ulong and host ulong sizes. | |
9155 | */ | |
9156 | if (arg2 & (sizeof(abi_ulong) - 1)) { | |
72eb7ea8 | 9157 | return -TARGET_EINVAL; |
737de1d1 MF |
9158 | } |
9159 | mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); | |
9160 | ||
9161 | mask = alloca(mask_size); | |
2e0a8713 | 9162 | memset(mask, 0, mask_size); |
737de1d1 MF |
9163 | ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask)); |
9164 | ||
9165 | if (!is_error(ret)) { | |
be3bd286 PM |
9166 | if (ret > arg2) { |
9167 | /* More data returned than the caller's buffer will fit. | |
9168 | * This only happens if sizeof(abi_long) < sizeof(long) | |
9169 | * and the caller passed us a buffer holding an odd number | |
9170 | * of abi_longs. If the host kernel is actually using the | |
9171 | * extra 4 bytes then fail EINVAL; otherwise we can just | |
9172 | * ignore them and only copy the interesting part. | |
9173 | */ | |
9174 | int numcpus = sysconf(_SC_NPROCESSORS_CONF); | |
9175 | if (numcpus > arg2 * 8) { | |
72eb7ea8 | 9176 | return -TARGET_EINVAL; |
be3bd286 PM |
9177 | } |
9178 | ret = arg2; | |
9179 | } | |
9180 | ||
5fdefcf8 | 9181 | if (host_to_target_cpu_mask(mask, mask_size, arg3, ret)) { |
2852aafd | 9182 | return -TARGET_EFAULT; |
5fdefcf8 | 9183 | } |
737de1d1 MF |
9184 | } |
9185 | } | |
72eb7ea8 | 9186 | return ret; |
737de1d1 MF |
9187 | case TARGET_NR_sched_setaffinity: |
9188 | { | |
9189 | unsigned int mask_size; | |
9190 | unsigned long *mask; | |
9191 | ||
9192 | /* | |
9193 | * sched_setaffinity needs multiples of ulong, so need to take | |
9194 | * care of mismatches between target ulong and host ulong sizes. | |
9195 | */ | |
9196 | if (arg2 & (sizeof(abi_ulong) - 1)) { | |
72eb7ea8 | 9197 | return -TARGET_EINVAL; |
737de1d1 MF |
9198 | } |
9199 | mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); | |
737de1d1 | 9200 | mask = alloca(mask_size); |
2e0a8713 ST |
9201 | |
9202 | ret = target_to_host_cpu_mask(mask, mask_size, arg3, arg2); | |
9203 | if (ret) { | |
72eb7ea8 | 9204 | return ret; |
737de1d1 | 9205 | } |
737de1d1 | 9206 | |
72eb7ea8 | 9207 | return get_errno(sys_sched_setaffinity(arg1, mask_size, mask)); |
737de1d1 | 9208 | } |
b827c3ed ST |
9209 | case TARGET_NR_getcpu: |
9210 | { | |
9211 | unsigned cpu, node; | |
9212 | ret = get_errno(sys_getcpu(arg1 ? &cpu : NULL, | |
9213 | arg2 ? &node : NULL, | |
9214 | NULL)); | |
9215 | if (is_error(ret)) { | |
259841c1 | 9216 | return ret; |
b827c3ed ST |
9217 | } |
9218 | if (arg1 && put_user_u32(cpu, arg1)) { | |
2852aafd | 9219 | return -TARGET_EFAULT; |
b827c3ed ST |
9220 | } |
9221 | if (arg2 && put_user_u32(node, arg2)) { | |
2852aafd | 9222 | return -TARGET_EFAULT; |
b827c3ed ST |
9223 | } |
9224 | } | |
72eb7ea8 | 9225 | return ret; |
31e31b8a | 9226 | case TARGET_NR_sched_setparam: |
5cd4393b | 9227 | { |
53a5960a | 9228 | struct sched_param *target_schp; |
5cd4393b | 9229 | struct sched_param schp; |
53a5960a | 9230 | |
a1d5c5b2 TM |
9231 | if (arg2 == 0) { |
9232 | return -TARGET_EINVAL; | |
9233 | } | |
579a97f7 | 9234 | if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1)) |
2852aafd | 9235 | return -TARGET_EFAULT; |
5cd4393b | 9236 | schp.sched_priority = tswap32(target_schp->sched_priority); |
53a5960a | 9237 | unlock_user_struct(target_schp, arg2, 0); |
72eb7ea8 | 9238 | return get_errno(sched_setparam(arg1, &schp)); |
5cd4393b | 9239 | } |
31e31b8a | 9240 | case TARGET_NR_sched_getparam: |
5cd4393b | 9241 | { |
53a5960a | 9242 | struct sched_param *target_schp; |
5cd4393b | 9243 | struct sched_param schp; |
a1d5c5b2 TM |
9244 | |
9245 | if (arg2 == 0) { | |
9246 | return -TARGET_EINVAL; | |
9247 | } | |
5cd4393b FB |
9248 | ret = get_errno(sched_getparam(arg1, &schp)); |
9249 | if (!is_error(ret)) { | |
579a97f7 | 9250 | if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0)) |
2852aafd | 9251 | return -TARGET_EFAULT; |
5cd4393b | 9252 | target_schp->sched_priority = tswap32(schp.sched_priority); |
53a5960a | 9253 | unlock_user_struct(target_schp, arg2, 1); |
5cd4393b FB |
9254 | } |
9255 | } | |
72eb7ea8 | 9256 | return ret; |
31e31b8a | 9257 | case TARGET_NR_sched_setscheduler: |
5cd4393b | 9258 | { |
53a5960a | 9259 | struct sched_param *target_schp; |
5cd4393b | 9260 | struct sched_param schp; |
a1d5c5b2 TM |
9261 | if (arg3 == 0) { |
9262 | return -TARGET_EINVAL; | |
9263 | } | |
579a97f7 | 9264 | if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1)) |
2852aafd | 9265 | return -TARGET_EFAULT; |
5cd4393b | 9266 | schp.sched_priority = tswap32(target_schp->sched_priority); |
53a5960a | 9267 | unlock_user_struct(target_schp, arg3, 0); |
72eb7ea8 | 9268 | return get_errno(sched_setscheduler(arg1, arg2, &schp)); |
5cd4393b | 9269 | } |
31e31b8a | 9270 | case TARGET_NR_sched_getscheduler: |
72eb7ea8 | 9271 | return get_errno(sched_getscheduler(arg1)); |
31e31b8a | 9272 | case TARGET_NR_sched_yield: |
72eb7ea8 | 9273 | return get_errno(sched_yield()); |
31e31b8a | 9274 | case TARGET_NR_sched_get_priority_max: |
72eb7ea8 | 9275 | return get_errno(sched_get_priority_max(arg1)); |
31e31b8a | 9276 | case TARGET_NR_sched_get_priority_min: |
72eb7ea8 | 9277 | return get_errno(sched_get_priority_min(arg1)); |
31e31b8a | 9278 | case TARGET_NR_sched_rr_get_interval: |
5cd4393b | 9279 | { |
5cd4393b FB |
9280 | struct timespec ts; |
9281 | ret = get_errno(sched_rr_get_interval(arg1, &ts)); | |
9282 | if (!is_error(ret)) { | |
d4290c40 | 9283 | ret = host_to_target_timespec(arg2, &ts); |
5cd4393b FB |
9284 | } |
9285 | } | |
72eb7ea8 | 9286 | return ret; |
31e31b8a | 9287 | case TARGET_NR_nanosleep: |
1b6b029e | 9288 | { |
1b6b029e | 9289 | struct timespec req, rem; |
53a5960a | 9290 | target_to_host_timespec(&req, arg1); |
9e518226 | 9291 | ret = get_errno(safe_nanosleep(&req, &rem)); |
53a5960a PB |
9292 | if (is_error(ret) && arg2) { |
9293 | host_to_target_timespec(arg2, &rem); | |
1b6b029e FB |
9294 | } |
9295 | } | |
72eb7ea8 | 9296 | return ret; |
31e31b8a | 9297 | case TARGET_NR_prctl: |
1e6722f8 PM |
9298 | switch (arg1) { |
9299 | case PR_GET_PDEATHSIG: | |
9300 | { | |
9301 | int deathsig; | |
9302 | ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5)); | |
9303 | if (!is_error(ret) && arg2 | |
9304 | && put_user_ual(deathsig, arg2)) { | |
2852aafd | 9305 | return -TARGET_EFAULT; |
e5574487 | 9306 | } |
72eb7ea8 | 9307 | return ret; |
1e6722f8 | 9308 | } |
db9526b1 PM |
9309 | #ifdef PR_GET_NAME |
9310 | case PR_GET_NAME: | |
9311 | { | |
9312 | void *name = lock_user(VERIFY_WRITE, arg2, 16, 1); | |
9313 | if (!name) { | |
2852aafd | 9314 | return -TARGET_EFAULT; |
db9526b1 PM |
9315 | } |
9316 | ret = get_errno(prctl(arg1, (unsigned long)name, | |
9317 | arg3, arg4, arg5)); | |
9318 | unlock_user(name, arg2, 16); | |
72eb7ea8 | 9319 | return ret; |
db9526b1 PM |
9320 | } |
9321 | case PR_SET_NAME: | |
9322 | { | |
9323 | void *name = lock_user(VERIFY_READ, arg2, 16, 1); | |
9324 | if (!name) { | |
2852aafd | 9325 | return -TARGET_EFAULT; |
db9526b1 PM |
9326 | } |
9327 | ret = get_errno(prctl(arg1, (unsigned long)name, | |
9328 | arg3, arg4, arg5)); | |
9329 | unlock_user(name, arg2, 0); | |
72eb7ea8 | 9330 | return ret; |
db9526b1 PM |
9331 | } |
9332 | #endif | |
85fc7167 RH |
9333 | #ifdef TARGET_AARCH64 |
9334 | case TARGET_PR_SVE_SET_VL: | |
adf92eab RH |
9335 | /* |
9336 | * We cannot support either PR_SVE_SET_VL_ONEXEC or | |
9337 | * PR_SVE_VL_INHERIT. Note the kernel definition | |
9338 | * of sve_vl_valid allows for VQ=512, i.e. VL=8192, | |
9339 | * even though the current architectural maximum is VQ=16. | |
9340 | */ | |
85fc7167 RH |
9341 | ret = -TARGET_EINVAL; |
9342 | if (arm_feature(cpu_env, ARM_FEATURE_SVE) | |
adf92eab | 9343 | && arg2 >= 0 && arg2 <= 512 * 16 && !(arg2 & 15)) { |
85fc7167 | 9344 | CPUARMState *env = cpu_env; |
adf92eab RH |
9345 | ARMCPU *cpu = arm_env_get_cpu(env); |
9346 | uint32_t vq, old_vq; | |
9347 | ||
9348 | old_vq = (env->vfp.zcr_el[1] & 0xf) + 1; | |
9349 | vq = MAX(arg2 / 16, 1); | |
9350 | vq = MIN(vq, cpu->sve_max_vq); | |
85fc7167 RH |
9351 | |
9352 | if (vq < old_vq) { | |
9353 | aarch64_sve_narrow_vq(env, vq); | |
9354 | } | |
9355 | env->vfp.zcr_el[1] = vq - 1; | |
9356 | ret = vq * 16; | |
9357 | } | |
72eb7ea8 | 9358 | return ret; |
85fc7167 RH |
9359 | case TARGET_PR_SVE_GET_VL: |
9360 | ret = -TARGET_EINVAL; | |
9361 | if (arm_feature(cpu_env, ARM_FEATURE_SVE)) { | |
9362 | CPUARMState *env = cpu_env; | |
9363 | ret = ((env->vfp.zcr_el[1] & 0xf) + 1) * 16; | |
9364 | } | |
72eb7ea8 | 9365 | return ret; |
85fc7167 | 9366 | #endif /* AARCH64 */ |
a8b154a6 JC |
9367 | case PR_GET_SECCOMP: |
9368 | case PR_SET_SECCOMP: | |
9369 | /* Disable seccomp to prevent the target disabling syscalls we | |
9370 | * need. */ | |
72eb7ea8 | 9371 | return -TARGET_EINVAL; |
1e6722f8 PM |
9372 | default: |
9373 | /* Most prctl options have no pointer arguments */ | |
72eb7ea8 | 9374 | return get_errno(prctl(arg1, arg2, arg3, arg4, arg5)); |
1e6722f8 | 9375 | } |
39b9aae1 | 9376 | break; |
d2fd1af7 FB |
9377 | #ifdef TARGET_NR_arch_prctl |
9378 | case TARGET_NR_arch_prctl: | |
9379 | #if defined(TARGET_I386) && !defined(TARGET_ABI32) | |
72eb7ea8 | 9380 | return do_arch_prctl(cpu_env, arg1, arg2); |
d2fd1af7 | 9381 | #else |
1a7b2b13 | 9382 | #error unreachable |
d2fd1af7 FB |
9383 | #endif |
9384 | #endif | |
f2c7ba15 AJ |
9385 | #ifdef TARGET_NR_pread64 |
9386 | case TARGET_NR_pread64: | |
8bf8e9df | 9387 | if (regpairs_aligned(cpu_env, num)) { |
ae017a5b AG |
9388 | arg4 = arg5; |
9389 | arg5 = arg6; | |
9390 | } | |
f2c7ba15 | 9391 | if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) |
2852aafd | 9392 | return -TARGET_EFAULT; |
f2c7ba15 AJ |
9393 | ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5))); |
9394 | unlock_user(p, arg2, ret); | |
72eb7ea8 | 9395 | return ret; |
f2c7ba15 | 9396 | case TARGET_NR_pwrite64: |
8bf8e9df | 9397 | if (regpairs_aligned(cpu_env, num)) { |
ae017a5b AG |
9398 | arg4 = arg5; |
9399 | arg5 = arg6; | |
9400 | } | |
f2c7ba15 | 9401 | if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
2852aafd | 9402 | return -TARGET_EFAULT; |
f2c7ba15 AJ |
9403 | ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5))); |
9404 | unlock_user(p, arg2, 0); | |
72eb7ea8 | 9405 | return ret; |
67867308 | 9406 | #endif |
31e31b8a | 9407 | case TARGET_NR_getcwd: |
579a97f7 | 9408 | if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0))) |
2852aafd | 9409 | return -TARGET_EFAULT; |
53a5960a PB |
9410 | ret = get_errno(sys_getcwd1(p, arg2)); |
9411 | unlock_user(p, arg1, ret); | |
72eb7ea8 | 9412 | return ret; |
31e31b8a FB |
9413 | case TARGET_NR_capget: |
9414 | case TARGET_NR_capset: | |
e0eb210e PM |
9415 | { |
9416 | struct target_user_cap_header *target_header; | |
9417 | struct target_user_cap_data *target_data = NULL; | |
9418 | struct __user_cap_header_struct header; | |
9419 | struct __user_cap_data_struct data[2]; | |
9420 | struct __user_cap_data_struct *dataptr = NULL; | |
9421 | int i, target_datalen; | |
9422 | int data_items = 1; | |
9423 | ||
9424 | if (!lock_user_struct(VERIFY_WRITE, target_header, arg1, 1)) { | |
2852aafd | 9425 | return -TARGET_EFAULT; |
e0eb210e PM |
9426 | } |
9427 | header.version = tswap32(target_header->version); | |
9428 | header.pid = tswap32(target_header->pid); | |
9429 | ||
ec864874 | 9430 | if (header.version != _LINUX_CAPABILITY_VERSION) { |
e0eb210e PM |
9431 | /* Version 2 and up takes pointer to two user_data structs */ |
9432 | data_items = 2; | |
9433 | } | |
9434 | ||
9435 | target_datalen = sizeof(*target_data) * data_items; | |
9436 | ||
9437 | if (arg2) { | |
9438 | if (num == TARGET_NR_capget) { | |
9439 | target_data = lock_user(VERIFY_WRITE, arg2, target_datalen, 0); | |
9440 | } else { | |
9441 | target_data = lock_user(VERIFY_READ, arg2, target_datalen, 1); | |
9442 | } | |
9443 | if (!target_data) { | |
9444 | unlock_user_struct(target_header, arg1, 0); | |
2852aafd | 9445 | return -TARGET_EFAULT; |
e0eb210e PM |
9446 | } |
9447 | ||
9448 | if (num == TARGET_NR_capset) { | |
9449 | for (i = 0; i < data_items; i++) { | |
9450 | data[i].effective = tswap32(target_data[i].effective); | |
9451 | data[i].permitted = tswap32(target_data[i].permitted); | |
9452 | data[i].inheritable = tswap32(target_data[i].inheritable); | |
9453 | } | |
9454 | } | |
9455 | ||
9456 | dataptr = data; | |
9457 | } | |
9458 | ||
9459 | if (num == TARGET_NR_capget) { | |
9460 | ret = get_errno(capget(&header, dataptr)); | |
9461 | } else { | |
9462 | ret = get_errno(capset(&header, dataptr)); | |
9463 | } | |
9464 | ||
9465 | /* The kernel always updates version for both capget and capset */ | |
9466 | target_header->version = tswap32(header.version); | |
9467 | unlock_user_struct(target_header, arg1, 1); | |
9468 | ||
9469 | if (arg2) { | |
9470 | if (num == TARGET_NR_capget) { | |
9471 | for (i = 0; i < data_items; i++) { | |
9472 | target_data[i].effective = tswap32(data[i].effective); | |
9473 | target_data[i].permitted = tswap32(data[i].permitted); | |
9474 | target_data[i].inheritable = tswap32(data[i].inheritable); | |
9475 | } | |
9476 | unlock_user(target_data, arg2, target_datalen); | |
9477 | } else { | |
9478 | unlock_user(target_data, arg2, 0); | |
9479 | } | |
9480 | } | |
72eb7ea8 | 9481 | return ret; |
e0eb210e | 9482 | } |
31e31b8a | 9483 | case TARGET_NR_sigaltstack: |
72eb7ea8 RH |
9484 | return do_sigaltstack(arg1, arg2, |
9485 | get_sp_from_cpustate((CPUArchState *)cpu_env)); | |
a8fd1aba PM |
9486 | |
9487 | #ifdef CONFIG_SENDFILE | |
4f7f8924 | 9488 | #ifdef TARGET_NR_sendfile |
a8fd1aba PM |
9489 | case TARGET_NR_sendfile: |
9490 | { | |
9491 | off_t *offp = NULL; | |
9492 | off_t off; | |
9493 | if (arg3) { | |
9494 | ret = get_user_sal(off, arg3); | |
9495 | if (is_error(ret)) { | |
72eb7ea8 | 9496 | return ret; |
a8fd1aba PM |
9497 | } |
9498 | offp = &off; | |
9499 | } | |
9500 | ret = get_errno(sendfile(arg1, arg2, offp, arg4)); | |
9501 | if (!is_error(ret) && arg3) { | |
9502 | abi_long ret2 = put_user_sal(off, arg3); | |
9503 | if (is_error(ret2)) { | |
9504 | ret = ret2; | |
9505 | } | |
9506 | } | |
72eb7ea8 | 9507 | return ret; |
a8fd1aba | 9508 | } |
4f7f8924 | 9509 | #endif |
a8fd1aba PM |
9510 | #ifdef TARGET_NR_sendfile64 |
9511 | case TARGET_NR_sendfile64: | |
9512 | { | |
9513 | off_t *offp = NULL; | |
9514 | off_t off; | |
9515 | if (arg3) { | |
9516 | ret = get_user_s64(off, arg3); | |
9517 | if (is_error(ret)) { | |
72eb7ea8 | 9518 | return ret; |
a8fd1aba PM |
9519 | } |
9520 | offp = &off; | |
9521 | } | |
9522 | ret = get_errno(sendfile(arg1, arg2, offp, arg4)); | |
9523 | if (!is_error(ret) && arg3) { | |
9524 | abi_long ret2 = put_user_s64(off, arg3); | |
9525 | if (is_error(ret2)) { | |
9526 | ret = ret2; | |
9527 | } | |
9528 | } | |
72eb7ea8 | 9529 | return ret; |
a8fd1aba PM |
9530 | } |
9531 | #endif | |
ebc05488 | 9532 | #endif |
048f6b4d | 9533 | #ifdef TARGET_NR_vfork |
31e31b8a | 9534 | case TARGET_NR_vfork: |
72eb7ea8 RH |
9535 | return get_errno(do_fork(cpu_env, |
9536 | CLONE_VFORK | CLONE_VM | TARGET_SIGCHLD, | |
9537 | 0, 0, 0, 0)); | |
048f6b4d | 9538 | #endif |
ebc05488 | 9539 | #ifdef TARGET_NR_ugetrlimit |
31e31b8a | 9540 | case TARGET_NR_ugetrlimit: |
728584be FB |
9541 | { |
9542 | struct rlimit rlim; | |
e22b7015 WT |
9543 | int resource = target_to_host_resource(arg1); |
9544 | ret = get_errno(getrlimit(resource, &rlim)); | |
728584be | 9545 | if (!is_error(ret)) { |
53a5960a | 9546 | struct target_rlimit *target_rlim; |
579a97f7 | 9547 | if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
2852aafd | 9548 | return -TARGET_EFAULT; |
81bbe906 TY |
9549 | target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); |
9550 | target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); | |
53a5960a | 9551 | unlock_user_struct(target_rlim, arg2, 1); |
728584be | 9552 | } |
72eb7ea8 | 9553 | return ret; |
728584be | 9554 | } |
ebc05488 | 9555 | #endif |
a315a145 | 9556 | #ifdef TARGET_NR_truncate64 |
31e31b8a | 9557 | case TARGET_NR_truncate64: |
579a97f7 | 9558 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9559 | return -TARGET_EFAULT; |
53a5960a PB |
9560 | ret = target_truncate64(cpu_env, p, arg2, arg3, arg4); |
9561 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9562 | return ret; |
a315a145 FB |
9563 | #endif |
9564 | #ifdef TARGET_NR_ftruncate64 | |
31e31b8a | 9565 | case TARGET_NR_ftruncate64: |
72eb7ea8 | 9566 | return target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); |
a315a145 FB |
9567 | #endif |
9568 | #ifdef TARGET_NR_stat64 | |
31e31b8a | 9569 | case TARGET_NR_stat64: |
2852aafd RH |
9570 | if (!(p = lock_user_string(arg1))) { |
9571 | return -TARGET_EFAULT; | |
9572 | } | |
53a5960a PB |
9573 | ret = get_errno(stat(path(p), &st)); |
9574 | unlock_user(p, arg1, 0); | |
6a24a778 AZ |
9575 | if (!is_error(ret)) |
9576 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
72eb7ea8 | 9577 | return ret; |
a315a145 FB |
9578 | #endif |
9579 | #ifdef TARGET_NR_lstat64 | |
31e31b8a | 9580 | case TARGET_NR_lstat64: |
2852aafd RH |
9581 | if (!(p = lock_user_string(arg1))) { |
9582 | return -TARGET_EFAULT; | |
9583 | } | |
53a5960a PB |
9584 | ret = get_errno(lstat(path(p), &st)); |
9585 | unlock_user(p, arg1, 0); | |
6a24a778 AZ |
9586 | if (!is_error(ret)) |
9587 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
72eb7ea8 | 9588 | return ret; |
a315a145 FB |
9589 | #endif |
9590 | #ifdef TARGET_NR_fstat64 | |
31e31b8a | 9591 | case TARGET_NR_fstat64: |
6a24a778 AZ |
9592 | ret = get_errno(fstat(arg1, &st)); |
9593 | if (!is_error(ret)) | |
9594 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
72eb7ea8 | 9595 | return ret; |
ce4defa0 | 9596 | #endif |
c0d472b1 | 9597 | #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) |
9d33b76b | 9598 | #ifdef TARGET_NR_fstatat64 |
6a24a778 | 9599 | case TARGET_NR_fstatat64: |
9d33b76b AJ |
9600 | #endif |
9601 | #ifdef TARGET_NR_newfstatat | |
9602 | case TARGET_NR_newfstatat: | |
9603 | #endif | |
2852aafd RH |
9604 | if (!(p = lock_user_string(arg2))) { |
9605 | return -TARGET_EFAULT; | |
9606 | } | |
c0d472b1 | 9607 | ret = get_errno(fstatat(arg1, path(p), &st, arg4)); |
2852aafd | 9608 | unlock_user(p, arg2, 0); |
6a24a778 AZ |
9609 | if (!is_error(ret)) |
9610 | ret = host_to_target_stat64(cpu_env, arg3, &st); | |
72eb7ea8 | 9611 | return ret; |
a315a145 | 9612 | #endif |
704eff6c | 9613 | #ifdef TARGET_NR_lchown |
67867308 | 9614 | case TARGET_NR_lchown: |
579a97f7 | 9615 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9616 | return -TARGET_EFAULT; |
53a5960a PB |
9617 | ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); |
9618 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9619 | return ret; |
704eff6c | 9620 | #endif |
0c866a7e | 9621 | #ifdef TARGET_NR_getuid |
67867308 | 9622 | case TARGET_NR_getuid: |
72eb7ea8 | 9623 | return get_errno(high2lowuid(getuid())); |
0c866a7e RV |
9624 | #endif |
9625 | #ifdef TARGET_NR_getgid | |
67867308 | 9626 | case TARGET_NR_getgid: |
72eb7ea8 | 9627 | return get_errno(high2lowgid(getgid())); |
0c866a7e RV |
9628 | #endif |
9629 | #ifdef TARGET_NR_geteuid | |
67867308 | 9630 | case TARGET_NR_geteuid: |
72eb7ea8 | 9631 | return get_errno(high2lowuid(geteuid())); |
0c866a7e RV |
9632 | #endif |
9633 | #ifdef TARGET_NR_getegid | |
67867308 | 9634 | case TARGET_NR_getegid: |
72eb7ea8 | 9635 | return get_errno(high2lowgid(getegid())); |
0c866a7e | 9636 | #endif |
67867308 | 9637 | case TARGET_NR_setreuid: |
72eb7ea8 | 9638 | return get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); |
67867308 | 9639 | case TARGET_NR_setregid: |
72eb7ea8 | 9640 | return get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); |
67867308 FB |
9641 | case TARGET_NR_getgroups: |
9642 | { | |
9643 | int gidsetsize = arg1; | |
0c866a7e | 9644 | target_id *target_grouplist; |
67867308 FB |
9645 | gid_t *grouplist; |
9646 | int i; | |
9647 | ||
9648 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
9649 | ret = get_errno(getgroups(gidsetsize, grouplist)); | |
cb3bc233 | 9650 | if (gidsetsize == 0) |
72eb7ea8 | 9651 | return ret; |
67867308 | 9652 | if (!is_error(ret)) { |
03903ffc | 9653 | target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * sizeof(target_id), 0); |
579a97f7 | 9654 | if (!target_grouplist) |
2852aafd | 9655 | return -TARGET_EFAULT; |
a2155fcc | 9656 | for(i = 0;i < ret; i++) |
0c866a7e | 9657 | target_grouplist[i] = tswapid(high2lowgid(grouplist[i])); |
03903ffc | 9658 | unlock_user(target_grouplist, arg2, gidsetsize * sizeof(target_id)); |
67867308 FB |
9659 | } |
9660 | } | |
72eb7ea8 | 9661 | return ret; |
67867308 FB |
9662 | case TARGET_NR_setgroups: |
9663 | { | |
9664 | int gidsetsize = arg1; | |
0c866a7e | 9665 | target_id *target_grouplist; |
f2b79ce9 | 9666 | gid_t *grouplist = NULL; |
67867308 | 9667 | int i; |
f2b79ce9 DA |
9668 | if (gidsetsize) { |
9669 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
03903ffc | 9670 | target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * sizeof(target_id), 1); |
f2b79ce9 | 9671 | if (!target_grouplist) { |
259841c1 | 9672 | return -TARGET_EFAULT; |
f2b79ce9 DA |
9673 | } |
9674 | for (i = 0; i < gidsetsize; i++) { | |
9675 | grouplist[i] = low2highgid(tswapid(target_grouplist[i])); | |
9676 | } | |
9677 | unlock_user(target_grouplist, arg2, 0); | |
579a97f7 | 9678 | } |
72eb7ea8 | 9679 | return get_errno(setgroups(gidsetsize, grouplist)); |
67867308 | 9680 | } |
67867308 | 9681 | case TARGET_NR_fchown: |
72eb7ea8 | 9682 | return get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); |
c0d472b1 | 9683 | #if defined(TARGET_NR_fchownat) |
ccfa72b7 | 9684 | case TARGET_NR_fchownat: |
579a97f7 | 9685 | if (!(p = lock_user_string(arg2))) |
2852aafd | 9686 | return -TARGET_EFAULT; |
c0d472b1 PM |
9687 | ret = get_errno(fchownat(arg1, p, low2highuid(arg3), |
9688 | low2highgid(arg4), arg5)); | |
579a97f7 | 9689 | unlock_user(p, arg2, 0); |
72eb7ea8 | 9690 | return ret; |
ccfa72b7 | 9691 | #endif |
67867308 FB |
9692 | #ifdef TARGET_NR_setresuid |
9693 | case TARGET_NR_setresuid: | |
72eb7ea8 RH |
9694 | return get_errno(sys_setresuid(low2highuid(arg1), |
9695 | low2highuid(arg2), | |
9696 | low2highuid(arg3))); | |
67867308 FB |
9697 | #endif |
9698 | #ifdef TARGET_NR_getresuid | |
9699 | case TARGET_NR_getresuid: | |
9700 | { | |
53a5960a | 9701 | uid_t ruid, euid, suid; |
67867308 FB |
9702 | ret = get_errno(getresuid(&ruid, &euid, &suid)); |
9703 | if (!is_error(ret)) { | |
76ca310a PM |
9704 | if (put_user_id(high2lowuid(ruid), arg1) |
9705 | || put_user_id(high2lowuid(euid), arg2) | |
9706 | || put_user_id(high2lowuid(suid), arg3)) | |
2852aafd | 9707 | return -TARGET_EFAULT; |
67867308 FB |
9708 | } |
9709 | } | |
72eb7ea8 | 9710 | return ret; |
67867308 FB |
9711 | #endif |
9712 | #ifdef TARGET_NR_getresgid | |
9713 | case TARGET_NR_setresgid: | |
72eb7ea8 RH |
9714 | return get_errno(sys_setresgid(low2highgid(arg1), |
9715 | low2highgid(arg2), | |
9716 | low2highgid(arg3))); | |
67867308 FB |
9717 | #endif |
9718 | #ifdef TARGET_NR_getresgid | |
9719 | case TARGET_NR_getresgid: | |
9720 | { | |
53a5960a | 9721 | gid_t rgid, egid, sgid; |
67867308 FB |
9722 | ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
9723 | if (!is_error(ret)) { | |
76ca310a PM |
9724 | if (put_user_id(high2lowgid(rgid), arg1) |
9725 | || put_user_id(high2lowgid(egid), arg2) | |
9726 | || put_user_id(high2lowgid(sgid), arg3)) | |
2852aafd | 9727 | return -TARGET_EFAULT; |
67867308 FB |
9728 | } |
9729 | } | |
72eb7ea8 | 9730 | return ret; |
67867308 | 9731 | #endif |
704eff6c | 9732 | #ifdef TARGET_NR_chown |
67867308 | 9733 | case TARGET_NR_chown: |
579a97f7 | 9734 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9735 | return -TARGET_EFAULT; |
53a5960a PB |
9736 | ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3))); |
9737 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9738 | return ret; |
704eff6c | 9739 | #endif |
67867308 | 9740 | case TARGET_NR_setuid: |
72eb7ea8 | 9741 | return get_errno(sys_setuid(low2highuid(arg1))); |
67867308 | 9742 | case TARGET_NR_setgid: |
72eb7ea8 | 9743 | return get_errno(sys_setgid(low2highgid(arg1))); |
67867308 | 9744 | case TARGET_NR_setfsuid: |
72eb7ea8 | 9745 | return get_errno(setfsuid(arg1)); |
67867308 | 9746 | case TARGET_NR_setfsgid: |
72eb7ea8 | 9747 | return get_errno(setfsgid(arg1)); |
67867308 | 9748 | |
a315a145 | 9749 | #ifdef TARGET_NR_lchown32 |
31e31b8a | 9750 | case TARGET_NR_lchown32: |
579a97f7 | 9751 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9752 | return -TARGET_EFAULT; |
53a5960a PB |
9753 | ret = get_errno(lchown(p, arg2, arg3)); |
9754 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9755 | return ret; |
a315a145 FB |
9756 | #endif |
9757 | #ifdef TARGET_NR_getuid32 | |
31e31b8a | 9758 | case TARGET_NR_getuid32: |
72eb7ea8 | 9759 | return get_errno(getuid()); |
a315a145 | 9760 | #endif |
64b4d28c AJ |
9761 | |
9762 | #if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA) | |
9763 | /* Alpha specific */ | |
9764 | case TARGET_NR_getxuid: | |
ba0e276d RH |
9765 | { |
9766 | uid_t euid; | |
9767 | euid=geteuid(); | |
9768 | ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid; | |
9769 | } | |
72eb7ea8 | 9770 | return get_errno(getuid()); |
64b4d28c AJ |
9771 | #endif |
9772 | #if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA) | |
9773 | /* Alpha specific */ | |
9774 | case TARGET_NR_getxgid: | |
ba0e276d RH |
9775 | { |
9776 | uid_t egid; | |
9777 | egid=getegid(); | |
9778 | ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid; | |
9779 | } | |
72eb7ea8 | 9780 | return get_errno(getgid()); |
64b4d28c | 9781 | #endif |
ba0e276d RH |
9782 | #if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA) |
9783 | /* Alpha specific */ | |
9784 | case TARGET_NR_osf_getsysinfo: | |
9785 | ret = -TARGET_EOPNOTSUPP; | |
9786 | switch (arg1) { | |
9787 | case TARGET_GSI_IEEE_FP_CONTROL: | |
9788 | { | |
9789 | uint64_t swcr, fpcr = cpu_alpha_load_fpcr (cpu_env); | |
9790 | ||
9791 | /* Copied from linux ieee_fpcr_to_swcr. */ | |
9792 | swcr = (fpcr >> 35) & SWCR_STATUS_MASK; | |
9793 | swcr |= (fpcr >> 36) & SWCR_MAP_DMZ; | |
9794 | swcr |= (~fpcr >> 48) & (SWCR_TRAP_ENABLE_INV | |
9795 | | SWCR_TRAP_ENABLE_DZE | |
9796 | | SWCR_TRAP_ENABLE_OVF); | |
9797 | swcr |= (~fpcr >> 57) & (SWCR_TRAP_ENABLE_UNF | |
9798 | | SWCR_TRAP_ENABLE_INE); | |
9799 | swcr |= (fpcr >> 47) & SWCR_MAP_UMZ; | |
9800 | swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO; | |
9801 | ||
9802 | if (put_user_u64 (swcr, arg2)) | |
2852aafd | 9803 | return -TARGET_EFAULT; |
ba0e276d RH |
9804 | ret = 0; |
9805 | } | |
9806 | break; | |
9807 | ||
9808 | /* case GSI_IEEE_STATE_AT_SIGNAL: | |
9809 | -- Not implemented in linux kernel. | |
9810 | case GSI_UACPROC: | |
9811 | -- Retrieves current unaligned access state; not much used. | |
9812 | case GSI_PROC_TYPE: | |
9813 | -- Retrieves implver information; surely not used. | |
9814 | case GSI_GET_HWRPB: | |
9815 | -- Grabs a copy of the HWRPB; surely not used. | |
9816 | */ | |
9817 | } | |
72eb7ea8 | 9818 | return ret; |
ba0e276d RH |
9819 | #endif |
9820 | #if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA) | |
9821 | /* Alpha specific */ | |
9822 | case TARGET_NR_osf_setsysinfo: | |
9823 | ret = -TARGET_EOPNOTSUPP; | |
9824 | switch (arg1) { | |
9825 | case TARGET_SSI_IEEE_FP_CONTROL: | |
ba0e276d RH |
9826 | { |
9827 | uint64_t swcr, fpcr, orig_fpcr; | |
9828 | ||
6e06d515 | 9829 | if (get_user_u64 (swcr, arg2)) { |
2852aafd | 9830 | return -TARGET_EFAULT; |
6e06d515 RH |
9831 | } |
9832 | orig_fpcr = cpu_alpha_load_fpcr(cpu_env); | |
ba0e276d RH |
9833 | fpcr = orig_fpcr & FPCR_DYN_MASK; |
9834 | ||
9835 | /* Copied from linux ieee_swcr_to_fpcr. */ | |
9836 | fpcr |= (swcr & SWCR_STATUS_MASK) << 35; | |
9837 | fpcr |= (swcr & SWCR_MAP_DMZ) << 36; | |
9838 | fpcr |= (~swcr & (SWCR_TRAP_ENABLE_INV | |
9839 | | SWCR_TRAP_ENABLE_DZE | |
9840 | | SWCR_TRAP_ENABLE_OVF)) << 48; | |
9841 | fpcr |= (~swcr & (SWCR_TRAP_ENABLE_UNF | |
9842 | | SWCR_TRAP_ENABLE_INE)) << 57; | |
9843 | fpcr |= (swcr & SWCR_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0); | |
9844 | fpcr |= (~swcr & SWCR_TRAP_ENABLE_DNO) << 41; | |
9845 | ||
6e06d515 | 9846 | cpu_alpha_store_fpcr(cpu_env, fpcr); |
ba0e276d | 9847 | ret = 0; |
6e06d515 RH |
9848 | } |
9849 | break; | |
9850 | ||
9851 | case TARGET_SSI_IEEE_RAISE_EXCEPTION: | |
9852 | { | |
9853 | uint64_t exc, fpcr, orig_fpcr; | |
9854 | int si_code; | |
9855 | ||
9856 | if (get_user_u64(exc, arg2)) { | |
2852aafd | 9857 | return -TARGET_EFAULT; |
6e06d515 | 9858 | } |
ba0e276d | 9859 | |
6e06d515 | 9860 | orig_fpcr = cpu_alpha_load_fpcr(cpu_env); |
ba0e276d | 9861 | |
6e06d515 RH |
9862 | /* We only add to the exception status here. */ |
9863 | fpcr = orig_fpcr | ((exc & SWCR_STATUS_MASK) << 35); | |
9864 | ||
9865 | cpu_alpha_store_fpcr(cpu_env, fpcr); | |
9866 | ret = 0; | |
9867 | ||
9868 | /* Old exceptions are not signaled. */ | |
9869 | fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK); | |
9870 | ||
9871 | /* If any exceptions set by this call, | |
9872 | and are unmasked, send a signal. */ | |
9873 | si_code = 0; | |
9874 | if ((fpcr & (FPCR_INE | FPCR_INED)) == FPCR_INE) { | |
9875 | si_code = TARGET_FPE_FLTRES; | |
9876 | } | |
9877 | if ((fpcr & (FPCR_UNF | FPCR_UNFD)) == FPCR_UNF) { | |
9878 | si_code = TARGET_FPE_FLTUND; | |
9879 | } | |
9880 | if ((fpcr & (FPCR_OVF | FPCR_OVFD)) == FPCR_OVF) { | |
9881 | si_code = TARGET_FPE_FLTOVF; | |
9882 | } | |
9883 | if ((fpcr & (FPCR_DZE | FPCR_DZED)) == FPCR_DZE) { | |
9884 | si_code = TARGET_FPE_FLTDIV; | |
9885 | } | |
9886 | if ((fpcr & (FPCR_INV | FPCR_INVD)) == FPCR_INV) { | |
9887 | si_code = TARGET_FPE_FLTINV; | |
9888 | } | |
9889 | if (si_code != 0) { | |
9890 | target_siginfo_t info; | |
9891 | info.si_signo = SIGFPE; | |
9892 | info.si_errno = 0; | |
9893 | info.si_code = si_code; | |
9894 | info._sifields._sigfault._addr | |
9895 | = ((CPUArchState *)cpu_env)->pc; | |
9d2803f7 PM |
9896 | queue_signal((CPUArchState *)cpu_env, info.si_signo, |
9897 | QEMU_SI_FAULT, &info); | |
ba0e276d RH |
9898 | } |
9899 | } | |
9900 | break; | |
9901 | ||
9902 | /* case SSI_NVPAIRS: | |
9903 | -- Used with SSIN_UACPROC to enable unaligned accesses. | |
9904 | case SSI_IEEE_STATE_AT_SIGNAL: | |
9905 | case SSI_IEEE_IGNORE_STATE_AT_SIGNAL: | |
9906 | -- Not implemented in linux kernel | |
9907 | */ | |
9908 | } | |
72eb7ea8 | 9909 | return ret; |
ba0e276d RH |
9910 | #endif |
9911 | #ifdef TARGET_NR_osf_sigprocmask | |
9912 | /* Alpha specific. */ | |
9913 | case TARGET_NR_osf_sigprocmask: | |
9914 | { | |
9915 | abi_ulong mask; | |
bc088ba1 | 9916 | int how; |
ba0e276d RH |
9917 | sigset_t set, oldset; |
9918 | ||
9919 | switch(arg1) { | |
9920 | case TARGET_SIG_BLOCK: | |
9921 | how = SIG_BLOCK; | |
9922 | break; | |
9923 | case TARGET_SIG_UNBLOCK: | |
9924 | how = SIG_UNBLOCK; | |
9925 | break; | |
9926 | case TARGET_SIG_SETMASK: | |
9927 | how = SIG_SETMASK; | |
9928 | break; | |
9929 | default: | |
259841c1 | 9930 | return -TARGET_EINVAL; |
ba0e276d RH |
9931 | } |
9932 | mask = arg2; | |
9933 | target_to_host_old_sigset(&set, &mask); | |
3d3efba0 PM |
9934 | ret = do_sigprocmask(how, &set, &oldset); |
9935 | if (!ret) { | |
9936 | host_to_target_old_sigset(&mask, &oldset); | |
9937 | ret = mask; | |
9938 | } | |
ba0e276d | 9939 | } |
72eb7ea8 | 9940 | return ret; |
ba0e276d | 9941 | #endif |
64b4d28c | 9942 | |
a315a145 | 9943 | #ifdef TARGET_NR_getgid32 |
31e31b8a | 9944 | case TARGET_NR_getgid32: |
72eb7ea8 | 9945 | return get_errno(getgid()); |
a315a145 FB |
9946 | #endif |
9947 | #ifdef TARGET_NR_geteuid32 | |
31e31b8a | 9948 | case TARGET_NR_geteuid32: |
72eb7ea8 | 9949 | return get_errno(geteuid()); |
a315a145 FB |
9950 | #endif |
9951 | #ifdef TARGET_NR_getegid32 | |
31e31b8a | 9952 | case TARGET_NR_getegid32: |
72eb7ea8 | 9953 | return get_errno(getegid()); |
a315a145 FB |
9954 | #endif |
9955 | #ifdef TARGET_NR_setreuid32 | |
31e31b8a | 9956 | case TARGET_NR_setreuid32: |
72eb7ea8 | 9957 | return get_errno(setreuid(arg1, arg2)); |
a315a145 FB |
9958 | #endif |
9959 | #ifdef TARGET_NR_setregid32 | |
31e31b8a | 9960 | case TARGET_NR_setregid32: |
72eb7ea8 | 9961 | return get_errno(setregid(arg1, arg2)); |
a315a145 FB |
9962 | #endif |
9963 | #ifdef TARGET_NR_getgroups32 | |
31e31b8a | 9964 | case TARGET_NR_getgroups32: |
99c475ab FB |
9965 | { |
9966 | int gidsetsize = arg1; | |
53a5960a | 9967 | uint32_t *target_grouplist; |
99c475ab FB |
9968 | gid_t *grouplist; |
9969 | int i; | |
9970 | ||
9971 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
9972 | ret = get_errno(getgroups(gidsetsize, grouplist)); | |
cb3bc233 | 9973 | if (gidsetsize == 0) |
72eb7ea8 | 9974 | return ret; |
99c475ab | 9975 | if (!is_error(ret)) { |
579a97f7 FB |
9976 | target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0); |
9977 | if (!target_grouplist) { | |
259841c1 | 9978 | return -TARGET_EFAULT; |
579a97f7 | 9979 | } |
a2155fcc | 9980 | for(i = 0;i < ret; i++) |
53a5960a PB |
9981 | target_grouplist[i] = tswap32(grouplist[i]); |
9982 | unlock_user(target_grouplist, arg2, gidsetsize * 4); | |
99c475ab FB |
9983 | } |
9984 | } | |
72eb7ea8 | 9985 | return ret; |
a315a145 FB |
9986 | #endif |
9987 | #ifdef TARGET_NR_setgroups32 | |
31e31b8a | 9988 | case TARGET_NR_setgroups32: |
99c475ab FB |
9989 | { |
9990 | int gidsetsize = arg1; | |
53a5960a | 9991 | uint32_t *target_grouplist; |
99c475ab FB |
9992 | gid_t *grouplist; |
9993 | int i; | |
3b46e624 | 9994 | |
99c475ab | 9995 | grouplist = alloca(gidsetsize * sizeof(gid_t)); |
579a97f7 FB |
9996 | target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1); |
9997 | if (!target_grouplist) { | |
259841c1 | 9998 | return -TARGET_EFAULT; |
579a97f7 | 9999 | } |
99c475ab | 10000 | for(i = 0;i < gidsetsize; i++) |
53a5960a PB |
10001 | grouplist[i] = tswap32(target_grouplist[i]); |
10002 | unlock_user(target_grouplist, arg2, 0); | |
72eb7ea8 | 10003 | return get_errno(setgroups(gidsetsize, grouplist)); |
99c475ab | 10004 | } |
a315a145 FB |
10005 | #endif |
10006 | #ifdef TARGET_NR_fchown32 | |
31e31b8a | 10007 | case TARGET_NR_fchown32: |
72eb7ea8 | 10008 | return get_errno(fchown(arg1, arg2, arg3)); |
a315a145 FB |
10009 | #endif |
10010 | #ifdef TARGET_NR_setresuid32 | |
31e31b8a | 10011 | case TARGET_NR_setresuid32: |
72eb7ea8 | 10012 | return get_errno(sys_setresuid(arg1, arg2, arg3)); |
a315a145 FB |
10013 | #endif |
10014 | #ifdef TARGET_NR_getresuid32 | |
31e31b8a | 10015 | case TARGET_NR_getresuid32: |
b03c60f3 | 10016 | { |
53a5960a | 10017 | uid_t ruid, euid, suid; |
b03c60f3 FB |
10018 | ret = get_errno(getresuid(&ruid, &euid, &suid)); |
10019 | if (!is_error(ret)) { | |
2f619698 FB |
10020 | if (put_user_u32(ruid, arg1) |
10021 | || put_user_u32(euid, arg2) | |
10022 | || put_user_u32(suid, arg3)) | |
2852aafd | 10023 | return -TARGET_EFAULT; |
b03c60f3 FB |
10024 | } |
10025 | } | |
72eb7ea8 | 10026 | return ret; |
a315a145 FB |
10027 | #endif |
10028 | #ifdef TARGET_NR_setresgid32 | |
31e31b8a | 10029 | case TARGET_NR_setresgid32: |
72eb7ea8 | 10030 | return get_errno(sys_setresgid(arg1, arg2, arg3)); |
a315a145 FB |
10031 | #endif |
10032 | #ifdef TARGET_NR_getresgid32 | |
31e31b8a | 10033 | case TARGET_NR_getresgid32: |
b03c60f3 | 10034 | { |
53a5960a | 10035 | gid_t rgid, egid, sgid; |
b03c60f3 FB |
10036 | ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
10037 | if (!is_error(ret)) { | |
2f619698 FB |
10038 | if (put_user_u32(rgid, arg1) |
10039 | || put_user_u32(egid, arg2) | |
10040 | || put_user_u32(sgid, arg3)) | |
2852aafd | 10041 | return -TARGET_EFAULT; |
b03c60f3 FB |
10042 | } |
10043 | } | |
72eb7ea8 | 10044 | return ret; |
a315a145 FB |
10045 | #endif |
10046 | #ifdef TARGET_NR_chown32 | |
31e31b8a | 10047 | case TARGET_NR_chown32: |
579a97f7 | 10048 | if (!(p = lock_user_string(arg1))) |
2852aafd | 10049 | return -TARGET_EFAULT; |
53a5960a PB |
10050 | ret = get_errno(chown(p, arg2, arg3)); |
10051 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 10052 | return ret; |
a315a145 FB |
10053 | #endif |
10054 | #ifdef TARGET_NR_setuid32 | |
31e31b8a | 10055 | case TARGET_NR_setuid32: |
72eb7ea8 | 10056 | return get_errno(sys_setuid(arg1)); |
a315a145 FB |
10057 | #endif |
10058 | #ifdef TARGET_NR_setgid32 | |
31e31b8a | 10059 | case TARGET_NR_setgid32: |
72eb7ea8 | 10060 | return get_errno(sys_setgid(arg1)); |
a315a145 FB |
10061 | #endif |
10062 | #ifdef TARGET_NR_setfsuid32 | |
31e31b8a | 10063 | case TARGET_NR_setfsuid32: |
72eb7ea8 | 10064 | return get_errno(setfsuid(arg1)); |
a315a145 FB |
10065 | #endif |
10066 | #ifdef TARGET_NR_setfsgid32 | |
31e31b8a | 10067 | case TARGET_NR_setfsgid32: |
72eb7ea8 | 10068 | return get_errno(setfsgid(arg1)); |
a315a145 | 10069 | #endif |
ffa65c3b | 10070 | #ifdef TARGET_NR_mincore |
31e31b8a | 10071 | case TARGET_NR_mincore: |
04bb9ace | 10072 | { |
259841c1 | 10073 | void *a = lock_user(VERIFY_READ, arg1, arg2, 0); |
98a3331a | 10074 | if (!a) { |
259841c1 | 10075 | return -TARGET_ENOMEM; |
98a3331a | 10076 | } |
98a3331a FSM |
10077 | p = lock_user_string(arg3); |
10078 | if (!p) { | |
259841c1 RH |
10079 | ret = -TARGET_EFAULT; |
10080 | } else { | |
10081 | ret = get_errno(mincore(a, arg2, p)); | |
10082 | unlock_user(p, arg3, ret); | |
98a3331a | 10083 | } |
04bb9ace AJ |
10084 | unlock_user(a, arg1, 0); |
10085 | } | |
72eb7ea8 | 10086 | return ret; |
ffa65c3b | 10087 | #endif |
408321b6 AJ |
10088 | #ifdef TARGET_NR_arm_fadvise64_64 |
10089 | case TARGET_NR_arm_fadvise64_64: | |
e0156a9d PM |
10090 | /* arm_fadvise64_64 looks like fadvise64_64 but |
10091 | * with different argument order: fd, advice, offset, len | |
10092 | * rather than the usual fd, offset, len, advice. | |
10093 | * Note that offset and len are both 64-bit so appear as | |
10094 | * pairs of 32-bit registers. | |
10095 | */ | |
10096 | ret = posix_fadvise(arg1, target_offset64(arg3, arg4), | |
10097 | target_offset64(arg5, arg6), arg2); | |
72eb7ea8 | 10098 | return -host_to_target_errno(ret); |
408321b6 | 10099 | #endif |
badd3cd8 PM |
10100 | |
10101 | #if TARGET_ABI_BITS == 32 | |
10102 | ||
10103 | #ifdef TARGET_NR_fadvise64_64 | |
10104 | case TARGET_NR_fadvise64_64: | |
64a563dd | 10105 | #if defined(TARGET_PPC) || defined(TARGET_XTENSA) |
43046b5a LV |
10106 | /* 6 args: fd, advice, offset (high, low), len (high, low) */ |
10107 | ret = arg2; | |
10108 | arg2 = arg3; | |
10109 | arg3 = arg4; | |
10110 | arg4 = arg5; | |
10111 | arg5 = arg6; | |
10112 | arg6 = ret; | |
10113 | #else | |
badd3cd8 | 10114 | /* 6 args: fd, offset (high, low), len (high, low), advice */ |
8bf8e9df | 10115 | if (regpairs_aligned(cpu_env, num)) { |
badd3cd8 PM |
10116 | /* offset is in (3,4), len in (5,6) and advice in 7 */ |
10117 | arg2 = arg3; | |
10118 | arg3 = arg4; | |
10119 | arg4 = arg5; | |
10120 | arg5 = arg6; | |
10121 | arg6 = arg7; | |
10122 | } | |
43046b5a | 10123 | #endif |
72eb7ea8 RH |
10124 | ret = posix_fadvise(arg1, target_offset64(arg2, arg3), |
10125 | target_offset64(arg4, arg5), arg6); | |
10126 | return -host_to_target_errno(ret); | |
badd3cd8 PM |
10127 | #endif |
10128 | ||
10129 | #ifdef TARGET_NR_fadvise64 | |
10130 | case TARGET_NR_fadvise64: | |
10131 | /* 5 args: fd, offset (high, low), len, advice */ | |
8bf8e9df | 10132 | if (regpairs_aligned(cpu_env, num)) { |
badd3cd8 PM |
10133 | /* offset is in (3,4), len in 5 and advice in 6 */ |
10134 | arg2 = arg3; | |
10135 | arg3 = arg4; | |
10136 | arg4 = arg5; | |
10137 | arg5 = arg6; | |
10138 | } | |
72eb7ea8 RH |
10139 | ret = posix_fadvise(arg1, target_offset64(arg2, arg3), arg4, arg5); |
10140 | return -host_to_target_errno(ret); | |
408321b6 | 10141 | #endif |
badd3cd8 PM |
10142 | |
10143 | #else /* not a 32-bit ABI */ | |
e0156a9d | 10144 | #if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_fadvise64) |
408321b6 AJ |
10145 | #ifdef TARGET_NR_fadvise64_64 |
10146 | case TARGET_NR_fadvise64_64: | |
10147 | #endif | |
e72d2cc7 UH |
10148 | #ifdef TARGET_NR_fadvise64 |
10149 | case TARGET_NR_fadvise64: | |
10150 | #endif | |
10151 | #ifdef TARGET_S390X | |
10152 | switch (arg4) { | |
10153 | case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */ | |
10154 | case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */ | |
10155 | case 6: arg4 = POSIX_FADV_DONTNEED; break; | |
10156 | case 7: arg4 = POSIX_FADV_NOREUSE; break; | |
10157 | default: break; | |
10158 | } | |
10159 | #endif | |
72eb7ea8 | 10160 | return -host_to_target_errno(posix_fadvise(arg1, arg2, arg3, arg4)); |
408321b6 | 10161 | #endif |
badd3cd8 PM |
10162 | #endif /* end of 64-bit ABI fadvise handling */ |
10163 | ||
ffa65c3b | 10164 | #ifdef TARGET_NR_madvise |
31e31b8a | 10165 | case TARGET_NR_madvise: |
24836689 | 10166 | /* A straight passthrough may not be safe because qemu sometimes |
d2d6b857 | 10167 | turns private file-backed mappings into anonymous mappings. |
24836689 PB |
10168 | This will break MADV_DONTNEED. |
10169 | This is a hint, so ignoring and returning success is ok. */ | |
72eb7ea8 | 10170 | return 0; |
ffa65c3b | 10171 | #endif |
992f48a0 | 10172 | #if TARGET_ABI_BITS == 32 |
31e31b8a | 10173 | case TARGET_NR_fcntl64: |
77e4672d | 10174 | { |
b1e341eb | 10175 | int cmd; |
77e4672d | 10176 | struct flock64 fl; |
213d3e9e PM |
10177 | from_flock64_fn *copyfrom = copy_from_user_flock64; |
10178 | to_flock64_fn *copyto = copy_to_user_flock64; | |
10179 | ||
ce4defa0 | 10180 | #ifdef TARGET_ARM |
7f254c5c LV |
10181 | if (!((CPUARMState *)cpu_env)->eabi) { |
10182 | copyfrom = copy_from_user_oabi_flock64; | |
10183 | copyto = copy_to_user_oabi_flock64; | |
213d3e9e | 10184 | } |
ce4defa0 | 10185 | #endif |
77e4672d | 10186 | |
5f106811 | 10187 | cmd = target_to_host_fcntl_cmd(arg2); |
31b63193 | 10188 | if (cmd == -TARGET_EINVAL) { |
72eb7ea8 | 10189 | return cmd; |
31b63193 | 10190 | } |
b1e341eb | 10191 | |
60cd49d5 | 10192 | switch(arg2) { |
b1e341eb | 10193 | case TARGET_F_GETLK64: |
213d3e9e PM |
10194 | ret = copyfrom(&fl, arg3); |
10195 | if (ret) { | |
10196 | break; | |
5813427b | 10197 | } |
af8ab2bf | 10198 | ret = get_errno(safe_fcntl(arg1, cmd, &fl)); |
213d3e9e PM |
10199 | if (ret == 0) { |
10200 | ret = copyto(arg3, &fl); | |
10201 | } | |
77e4672d FB |
10202 | break; |
10203 | ||
b1e341eb TS |
10204 | case TARGET_F_SETLK64: |
10205 | case TARGET_F_SETLKW64: | |
213d3e9e PM |
10206 | ret = copyfrom(&fl, arg3); |
10207 | if (ret) { | |
10208 | break; | |
ce4defa0 | 10209 | } |
435da5e7 | 10210 | ret = get_errno(safe_fcntl(arg1, cmd, &fl)); |
77e4672d | 10211 | break; |
60cd49d5 | 10212 | default: |
5f106811 | 10213 | ret = do_fcntl(arg1, arg2, arg3); |
60cd49d5 FB |
10214 | break; |
10215 | } | |
72eb7ea8 | 10216 | return ret; |
77e4672d | 10217 | } |
60cd49d5 | 10218 | #endif |
7d600c80 TS |
10219 | #ifdef TARGET_NR_cacheflush |
10220 | case TARGET_NR_cacheflush: | |
10221 | /* self-modifying code is handled automatically, so nothing needed */ | |
72eb7ea8 | 10222 | return 0; |
7d600c80 | 10223 | #endif |
c573ff67 FB |
10224 | #ifdef TARGET_NR_getpagesize |
10225 | case TARGET_NR_getpagesize: | |
72eb7ea8 | 10226 | return TARGET_PAGE_SIZE; |
ebc05488 | 10227 | #endif |
31e31b8a | 10228 | case TARGET_NR_gettid: |
72eb7ea8 | 10229 | return get_errno(gettid()); |
e5febef5 | 10230 | #ifdef TARGET_NR_readahead |
31e31b8a | 10231 | case TARGET_NR_readahead: |
2054ac9b | 10232 | #if TARGET_ABI_BITS == 32 |
8bf8e9df | 10233 | if (regpairs_aligned(cpu_env, num)) { |
2054ac9b AJ |
10234 | arg2 = arg3; |
10235 | arg3 = arg4; | |
10236 | arg4 = arg5; | |
10237 | } | |
77c6850f | 10238 | ret = get_errno(readahead(arg1, target_offset64(arg2, arg3) , arg4)); |
2054ac9b AJ |
10239 | #else |
10240 | ret = get_errno(readahead(arg1, arg2, arg3)); | |
10241 | #endif | |
72eb7ea8 | 10242 | return ret; |
e5febef5 | 10243 | #endif |
a790ae38 | 10244 | #ifdef CONFIG_ATTR |
ebc05488 | 10245 | #ifdef TARGET_NR_setxattr |
31e31b8a FB |
10246 | case TARGET_NR_listxattr: |
10247 | case TARGET_NR_llistxattr: | |
fb5590f7 PM |
10248 | { |
10249 | void *p, *b = 0; | |
10250 | if (arg2) { | |
10251 | b = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
10252 | if (!b) { | |
72eb7ea8 | 10253 | return -TARGET_EFAULT; |
fb5590f7 PM |
10254 | } |
10255 | } | |
10256 | p = lock_user_string(arg1); | |
10257 | if (p) { | |
10258 | if (num == TARGET_NR_listxattr) { | |
10259 | ret = get_errno(listxattr(p, b, arg3)); | |
10260 | } else { | |
10261 | ret = get_errno(llistxattr(p, b, arg3)); | |
10262 | } | |
10263 | } else { | |
10264 | ret = -TARGET_EFAULT; | |
10265 | } | |
10266 | unlock_user(p, arg1, 0); | |
10267 | unlock_user(b, arg2, arg3); | |
72eb7ea8 | 10268 | return ret; |
fb5590f7 | 10269 | } |
31e31b8a | 10270 | case TARGET_NR_flistxattr: |
fb5590f7 PM |
10271 | { |
10272 | void *b = 0; | |
10273 | if (arg2) { | |
10274 | b = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
10275 | if (!b) { | |
72eb7ea8 | 10276 | return -TARGET_EFAULT; |
fb5590f7 PM |
10277 | } |
10278 | } | |
10279 | ret = get_errno(flistxattr(arg1, b, arg3)); | |
10280 | unlock_user(b, arg2, arg3); | |
72eb7ea8 | 10281 | return ret; |
fb5590f7 | 10282 | } |
a790ae38 | 10283 | case TARGET_NR_setxattr: |
30297b55 | 10284 | case TARGET_NR_lsetxattr: |
a790ae38 | 10285 | { |
e3c33ec6 PM |
10286 | void *p, *n, *v = 0; |
10287 | if (arg3) { | |
10288 | v = lock_user(VERIFY_READ, arg3, arg4, 1); | |
10289 | if (!v) { | |
72eb7ea8 | 10290 | return -TARGET_EFAULT; |
e3c33ec6 PM |
10291 | } |
10292 | } | |
a790ae38 ACH |
10293 | p = lock_user_string(arg1); |
10294 | n = lock_user_string(arg2); | |
e3c33ec6 | 10295 | if (p && n) { |
30297b55 PM |
10296 | if (num == TARGET_NR_setxattr) { |
10297 | ret = get_errno(setxattr(p, n, v, arg4, arg5)); | |
10298 | } else { | |
10299 | ret = get_errno(lsetxattr(p, n, v, arg4, arg5)); | |
10300 | } | |
a790ae38 ACH |
10301 | } else { |
10302 | ret = -TARGET_EFAULT; | |
10303 | } | |
10304 | unlock_user(p, arg1, 0); | |
10305 | unlock_user(n, arg2, 0); | |
10306 | unlock_user(v, arg3, 0); | |
10307 | } | |
72eb7ea8 | 10308 | return ret; |
30297b55 PM |
10309 | case TARGET_NR_fsetxattr: |
10310 | { | |
10311 | void *n, *v = 0; | |
10312 | if (arg3) { | |
10313 | v = lock_user(VERIFY_READ, arg3, arg4, 1); | |
10314 | if (!v) { | |
72eb7ea8 | 10315 | return -TARGET_EFAULT; |
30297b55 PM |
10316 | } |
10317 | } | |
10318 | n = lock_user_string(arg2); | |
10319 | if (n) { | |
10320 | ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5)); | |
10321 | } else { | |
10322 | ret = -TARGET_EFAULT; | |
10323 | } | |
10324 | unlock_user(n, arg2, 0); | |
10325 | unlock_user(v, arg3, 0); | |
10326 | } | |
72eb7ea8 | 10327 | return ret; |
a790ae38 | 10328 | case TARGET_NR_getxattr: |
30297b55 | 10329 | case TARGET_NR_lgetxattr: |
a790ae38 | 10330 | { |
e3c33ec6 PM |
10331 | void *p, *n, *v = 0; |
10332 | if (arg3) { | |
10333 | v = lock_user(VERIFY_WRITE, arg3, arg4, 0); | |
10334 | if (!v) { | |
72eb7ea8 | 10335 | return -TARGET_EFAULT; |
e3c33ec6 PM |
10336 | } |
10337 | } | |
a790ae38 ACH |
10338 | p = lock_user_string(arg1); |
10339 | n = lock_user_string(arg2); | |
e3c33ec6 | 10340 | if (p && n) { |
30297b55 PM |
10341 | if (num == TARGET_NR_getxattr) { |
10342 | ret = get_errno(getxattr(p, n, v, arg4)); | |
10343 | } else { | |
10344 | ret = get_errno(lgetxattr(p, n, v, arg4)); | |
10345 | } | |
a790ae38 ACH |
10346 | } else { |
10347 | ret = -TARGET_EFAULT; | |
10348 | } | |
10349 | unlock_user(p, arg1, 0); | |
10350 | unlock_user(n, arg2, 0); | |
10351 | unlock_user(v, arg3, arg4); | |
10352 | } | |
72eb7ea8 | 10353 | return ret; |
30297b55 PM |
10354 | case TARGET_NR_fgetxattr: |
10355 | { | |
10356 | void *n, *v = 0; | |
10357 | if (arg3) { | |
10358 | v = lock_user(VERIFY_WRITE, arg3, arg4, 0); | |
10359 | if (!v) { | |
72eb7ea8 | 10360 | return -TARGET_EFAULT; |
30297b55 PM |
10361 | } |
10362 | } | |
10363 | n = lock_user_string(arg2); | |
10364 | if (n) { | |
10365 | ret = get_errno(fgetxattr(arg1, n, v, arg4)); | |
10366 | } else { | |
10367 | ret = -TARGET_EFAULT; | |
10368 | } | |
10369 | unlock_user(n, arg2, 0); | |
10370 | unlock_user(v, arg3, arg4); | |
10371 | } | |
72eb7ea8 | 10372 | return ret; |
a790ae38 | 10373 | case TARGET_NR_removexattr: |
30297b55 | 10374 | case TARGET_NR_lremovexattr: |
a790ae38 ACH |
10375 | { |
10376 | void *p, *n; | |
10377 | p = lock_user_string(arg1); | |
10378 | n = lock_user_string(arg2); | |
10379 | if (p && n) { | |
30297b55 PM |
10380 | if (num == TARGET_NR_removexattr) { |
10381 | ret = get_errno(removexattr(p, n)); | |
10382 | } else { | |
10383 | ret = get_errno(lremovexattr(p, n)); | |
10384 | } | |
a790ae38 ACH |
10385 | } else { |
10386 | ret = -TARGET_EFAULT; | |
10387 | } | |
10388 | unlock_user(p, arg1, 0); | |
10389 | unlock_user(n, arg2, 0); | |
10390 | } | |
72eb7ea8 | 10391 | return ret; |
30297b55 PM |
10392 | case TARGET_NR_fremovexattr: |
10393 | { | |
10394 | void *n; | |
10395 | n = lock_user_string(arg2); | |
10396 | if (n) { | |
10397 | ret = get_errno(fremovexattr(arg1, n)); | |
10398 | } else { | |
10399 | ret = -TARGET_EFAULT; | |
10400 | } | |
10401 | unlock_user(n, arg2, 0); | |
10402 | } | |
72eb7ea8 | 10403 | return ret; |
ebc05488 | 10404 | #endif |
a790ae38 | 10405 | #endif /* CONFIG_ATTR */ |
ebc05488 | 10406 | #ifdef TARGET_NR_set_thread_area |
5cd4393b | 10407 | case TARGET_NR_set_thread_area: |
8d18e893 | 10408 | #if defined(TARGET_MIPS) |
d279279e | 10409 | ((CPUMIPSState *) cpu_env)->active_tc.CP0_UserLocal = arg1; |
72eb7ea8 | 10410 | return 0; |
ef96779b EI |
10411 | #elif defined(TARGET_CRIS) |
10412 | if (arg1 & 0xff) | |
10413 | ret = -TARGET_EINVAL; | |
10414 | else { | |
10415 | ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1; | |
10416 | ret = 0; | |
10417 | } | |
72eb7ea8 | 10418 | return ret; |
8d18e893 | 10419 | #elif defined(TARGET_I386) && defined(TARGET_ABI32) |
72eb7ea8 | 10420 | return do_set_thread_area(cpu_env, arg1); |
1ccd9374 PM |
10421 | #elif defined(TARGET_M68K) |
10422 | { | |
0429a971 | 10423 | TaskState *ts = cpu->opaque; |
1ccd9374 | 10424 | ts->tp_value = arg1; |
72eb7ea8 | 10425 | return 0; |
1ccd9374 | 10426 | } |
6f5b89a0 | 10427 | #else |
10f45d98 | 10428 | return -TARGET_ENOSYS; |
6f5b89a0 TS |
10429 | #endif |
10430 | #endif | |
10431 | #ifdef TARGET_NR_get_thread_area | |
5cd4393b | 10432 | case TARGET_NR_get_thread_area: |
8d18e893 | 10433 | #if defined(TARGET_I386) && defined(TARGET_ABI32) |
72eb7ea8 | 10434 | return do_get_thread_area(cpu_env, arg1); |
1ccd9374 PM |
10435 | #elif defined(TARGET_M68K) |
10436 | { | |
0429a971 | 10437 | TaskState *ts = cpu->opaque; |
72eb7ea8 | 10438 | return ts->tp_value; |
1ccd9374 | 10439 | } |
8d18e893 | 10440 | #else |
10f45d98 | 10441 | return -TARGET_ENOSYS; |
48dc41eb | 10442 | #endif |
8d18e893 | 10443 | #endif |
48dc41eb FB |
10444 | #ifdef TARGET_NR_getdomainname |
10445 | case TARGET_NR_getdomainname: | |
10f45d98 | 10446 | return -TARGET_ENOSYS; |
ebc05488 | 10447 | #endif |
6f5b89a0 | 10448 | |
12e3340c MF |
10449 | #ifdef TARGET_NR_clock_settime |
10450 | case TARGET_NR_clock_settime: | |
10451 | { | |
10452 | struct timespec ts; | |
10453 | ||
10454 | ret = target_to_host_timespec(&ts, arg2); | |
10455 | if (!is_error(ret)) { | |
10456 | ret = get_errno(clock_settime(arg1, &ts)); | |
10457 | } | |
72eb7ea8 | 10458 | return ret; |
12e3340c MF |
10459 | } |
10460 | #endif | |
b5906f95 TS |
10461 | #ifdef TARGET_NR_clock_gettime |
10462 | case TARGET_NR_clock_gettime: | |
10463 | { | |
10464 | struct timespec ts; | |
10465 | ret = get_errno(clock_gettime(arg1, &ts)); | |
10466 | if (!is_error(ret)) { | |
b9f9908e | 10467 | ret = host_to_target_timespec(arg2, &ts); |
b5906f95 | 10468 | } |
72eb7ea8 | 10469 | return ret; |
b5906f95 TS |
10470 | } |
10471 | #endif | |
10472 | #ifdef TARGET_NR_clock_getres | |
10473 | case TARGET_NR_clock_getres: | |
10474 | { | |
10475 | struct timespec ts; | |
10476 | ret = get_errno(clock_getres(arg1, &ts)); | |
10477 | if (!is_error(ret)) { | |
10478 | host_to_target_timespec(arg2, &ts); | |
10479 | } | |
72eb7ea8 | 10480 | return ret; |
b5906f95 TS |
10481 | } |
10482 | #endif | |
63d7651b PB |
10483 | #ifdef TARGET_NR_clock_nanosleep |
10484 | case TARGET_NR_clock_nanosleep: | |
10485 | { | |
10486 | struct timespec ts; | |
10487 | target_to_host_timespec(&ts, arg3); | |
9e518226 PM |
10488 | ret = get_errno(safe_clock_nanosleep(arg1, arg2, |
10489 | &ts, arg4 ? &ts : NULL)); | |
63d7651b PB |
10490 | if (arg4) |
10491 | host_to_target_timespec(arg4, &ts); | |
8fbe8fdf TM |
10492 | |
10493 | #if defined(TARGET_PPC) | |
10494 | /* clock_nanosleep is odd in that it returns positive errno values. | |
10495 | * On PPC, CR0 bit 3 should be set in such a situation. */ | |
9e518226 | 10496 | if (ret && ret != -TARGET_ERESTARTSYS) { |
8fbe8fdf TM |
10497 | ((CPUPPCState *)cpu_env)->crf[0] |= 1; |
10498 | } | |
10499 | #endif | |
72eb7ea8 | 10500 | return ret; |
63d7651b PB |
10501 | } |
10502 | #endif | |
b5906f95 | 10503 | |
6f5b89a0 TS |
10504 | #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) |
10505 | case TARGET_NR_set_tid_address: | |
72eb7ea8 | 10506 | return get_errno(set_tid_address((int *)g2h(arg1))); |
6f5b89a0 TS |
10507 | #endif |
10508 | ||
4cae1d16 | 10509 | case TARGET_NR_tkill: |
72eb7ea8 | 10510 | return get_errno(safe_tkill((int)arg1, target_to_host_signal(arg2))); |
4cae1d16 | 10511 | |
71455574 | 10512 | case TARGET_NR_tgkill: |
72eb7ea8 RH |
10513 | return get_errno(safe_tgkill((int)arg1, (int)arg2, |
10514 | target_to_host_signal(arg3))); | |
71455574 | 10515 | |
4f2b1fe8 TS |
10516 | #ifdef TARGET_NR_set_robust_list |
10517 | case TARGET_NR_set_robust_list: | |
e9a970a8 PM |
10518 | case TARGET_NR_get_robust_list: |
10519 | /* The ABI for supporting robust futexes has userspace pass | |
10520 | * the kernel a pointer to a linked list which is updated by | |
10521 | * userspace after the syscall; the list is walked by the kernel | |
10522 | * when the thread exits. Since the linked list in QEMU guest | |
10523 | * memory isn't a valid linked list for the host and we have | |
10524 | * no way to reliably intercept the thread-death event, we can't | |
10525 | * support these. Silently return ENOSYS so that guest userspace | |
10526 | * falls back to a non-robust futex implementation (which should | |
10527 | * be OK except in the corner case of the guest crashing while | |
10528 | * holding a mutex that is shared with another process via | |
10529 | * shared memory). | |
10530 | */ | |
10f45d98 | 10531 | return -TARGET_ENOSYS; |
4f2b1fe8 TS |
10532 | #endif |
10533 | ||
1acae9f2 | 10534 | #if defined(TARGET_NR_utimensat) |
9007f0ef TS |
10535 | case TARGET_NR_utimensat: |
10536 | { | |
ebc996f3 RV |
10537 | struct timespec *tsp, ts[2]; |
10538 | if (!arg3) { | |
10539 | tsp = NULL; | |
10540 | } else { | |
10541 | target_to_host_timespec(ts, arg3); | |
10542 | target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec)); | |
10543 | tsp = ts; | |
10544 | } | |
9007f0ef | 10545 | if (!arg2) |
ebc996f3 | 10546 | ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4)); |
9007f0ef | 10547 | else { |
579a97f7 | 10548 | if (!(p = lock_user_string(arg2))) { |
259841c1 | 10549 | return -TARGET_EFAULT; |
579a97f7 | 10550 | } |
ebc996f3 | 10551 | ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4)); |
579a97f7 | 10552 | unlock_user(p, arg2, 0); |
9007f0ef TS |
10553 | } |
10554 | } | |
72eb7ea8 | 10555 | return ret; |
9007f0ef | 10556 | #endif |
bd0c5661 | 10557 | case TARGET_NR_futex: |
72eb7ea8 | 10558 | return do_futex(arg1, arg2, arg3, arg4, arg5, arg6); |
dbfe4c36 | 10559 | #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init) |
39b59763 AJ |
10560 | case TARGET_NR_inotify_init: |
10561 | ret = get_errno(sys_inotify_init()); | |
b929f7e5 PMD |
10562 | if (ret >= 0) { |
10563 | fd_trans_register(ret, &target_inotify_trans); | |
10564 | } | |
72eb7ea8 | 10565 | return ret; |
39b59763 | 10566 | #endif |
a1606b0b | 10567 | #ifdef CONFIG_INOTIFY1 |
c05c7a73 RV |
10568 | #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1) |
10569 | case TARGET_NR_inotify_init1: | |
fea243e9 LD |
10570 | ret = get_errno(sys_inotify_init1(target_to_host_bitmask(arg1, |
10571 | fcntl_flags_tbl))); | |
b929f7e5 PMD |
10572 | if (ret >= 0) { |
10573 | fd_trans_register(ret, &target_inotify_trans); | |
10574 | } | |
72eb7ea8 | 10575 | return ret; |
c05c7a73 | 10576 | #endif |
a1606b0b | 10577 | #endif |
dbfe4c36 | 10578 | #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch) |
39b59763 AJ |
10579 | case TARGET_NR_inotify_add_watch: |
10580 | p = lock_user_string(arg2); | |
10581 | ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3)); | |
10582 | unlock_user(p, arg2, 0); | |
72eb7ea8 | 10583 | return ret; |
39b59763 | 10584 | #endif |
dbfe4c36 | 10585 | #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch) |
39b59763 | 10586 | case TARGET_NR_inotify_rm_watch: |
72eb7ea8 | 10587 | return get_errno(sys_inotify_rm_watch(arg1, arg2)); |
39b59763 | 10588 | #endif |
9007f0ef | 10589 | |
8ec9cf89 | 10590 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
24e1003a AJ |
10591 | case TARGET_NR_mq_open: |
10592 | { | |
c7536ab6 | 10593 | struct mq_attr posix_mq_attr; |
26400775 | 10594 | struct mq_attr *pposix_mq_attr; |
c7536ab6 | 10595 | int host_flags; |
24e1003a | 10596 | |
c7536ab6 | 10597 | host_flags = target_to_host_bitmask(arg2, fcntl_flags_tbl); |
26400775 LD |
10598 | pposix_mq_attr = NULL; |
10599 | if (arg4) { | |
10600 | if (copy_from_user_mq_attr(&posix_mq_attr, arg4) != 0) { | |
2852aafd | 10601 | return -TARGET_EFAULT; |
26400775 LD |
10602 | } |
10603 | pposix_mq_attr = &posix_mq_attr; | |
c7536ab6 | 10604 | } |
24e1003a | 10605 | p = lock_user_string(arg1 - 1); |
c7536ab6 | 10606 | if (!p) { |
2852aafd | 10607 | return -TARGET_EFAULT; |
b6ce1f6b | 10608 | } |
26400775 | 10609 | ret = get_errno(mq_open(p, host_flags, arg3, pposix_mq_attr)); |
24e1003a AJ |
10610 | unlock_user (p, arg1, 0); |
10611 | } | |
72eb7ea8 | 10612 | return ret; |
24e1003a AJ |
10613 | |
10614 | case TARGET_NR_mq_unlink: | |
10615 | p = lock_user_string(arg1 - 1); | |
3211215e | 10616 | if (!p) { |
72eb7ea8 | 10617 | return -TARGET_EFAULT; |
3211215e | 10618 | } |
24e1003a AJ |
10619 | ret = get_errno(mq_unlink(p)); |
10620 | unlock_user (p, arg1, 0); | |
72eb7ea8 | 10621 | return ret; |
24e1003a AJ |
10622 | |
10623 | case TARGET_NR_mq_timedsend: | |
10624 | { | |
10625 | struct timespec ts; | |
10626 | ||
10627 | p = lock_user (VERIFY_READ, arg2, arg3, 1); | |
10628 | if (arg5 != 0) { | |
10629 | target_to_host_timespec(&ts, arg5); | |
d40ecd66 | 10630 | ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, &ts)); |
24e1003a | 10631 | host_to_target_timespec(arg5, &ts); |
d40ecd66 PM |
10632 | } else { |
10633 | ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, NULL)); | |
24e1003a | 10634 | } |
24e1003a AJ |
10635 | unlock_user (p, arg2, arg3); |
10636 | } | |
72eb7ea8 | 10637 | return ret; |
24e1003a AJ |
10638 | |
10639 | case TARGET_NR_mq_timedreceive: | |
10640 | { | |
10641 | struct timespec ts; | |
10642 | unsigned int prio; | |
10643 | ||
10644 | p = lock_user (VERIFY_READ, arg2, arg3, 1); | |
10645 | if (arg5 != 0) { | |
10646 | target_to_host_timespec(&ts, arg5); | |
d40ecd66 PM |
10647 | ret = get_errno(safe_mq_timedreceive(arg1, p, arg3, |
10648 | &prio, &ts)); | |
24e1003a | 10649 | host_to_target_timespec(arg5, &ts); |
d40ecd66 PM |
10650 | } else { |
10651 | ret = get_errno(safe_mq_timedreceive(arg1, p, arg3, | |
10652 | &prio, NULL)); | |
24e1003a | 10653 | } |
24e1003a AJ |
10654 | unlock_user (p, arg2, arg3); |
10655 | if (arg4 != 0) | |
10656 | put_user_u32(prio, arg4); | |
10657 | } | |
72eb7ea8 | 10658 | return ret; |
24e1003a AJ |
10659 | |
10660 | /* Not implemented for now... */ | |
10661 | /* case TARGET_NR_mq_notify: */ | |
10662 | /* break; */ | |
10663 | ||
10664 | case TARGET_NR_mq_getsetattr: | |
10665 | { | |
10666 | struct mq_attr posix_mq_attr_in, posix_mq_attr_out; | |
10667 | ret = 0; | |
24e1003a AJ |
10668 | if (arg2 != 0) { |
10669 | copy_from_user_mq_attr(&posix_mq_attr_in, arg2); | |
a23ea409 MF |
10670 | ret = get_errno(mq_setattr(arg1, &posix_mq_attr_in, |
10671 | &posix_mq_attr_out)); | |
10672 | } else if (arg3 != 0) { | |
10673 | ret = get_errno(mq_getattr(arg1, &posix_mq_attr_out)); | |
10674 | } | |
10675 | if (ret == 0 && arg3 != 0) { | |
10676 | copy_to_user_mq_attr(arg3, &posix_mq_attr_out); | |
24e1003a | 10677 | } |
24e1003a | 10678 | } |
72eb7ea8 | 10679 | return ret; |
24e1003a AJ |
10680 | #endif |
10681 | ||
3ce34dfb VS |
10682 | #ifdef CONFIG_SPLICE |
10683 | #ifdef TARGET_NR_tee | |
10684 | case TARGET_NR_tee: | |
10685 | { | |
10686 | ret = get_errno(tee(arg1,arg2,arg3,arg4)); | |
10687 | } | |
72eb7ea8 | 10688 | return ret; |
3ce34dfb VS |
10689 | #endif |
10690 | #ifdef TARGET_NR_splice | |
10691 | case TARGET_NR_splice: | |
10692 | { | |
10693 | loff_t loff_in, loff_out; | |
10694 | loff_t *ploff_in = NULL, *ploff_out = NULL; | |
17644b36 AS |
10695 | if (arg2) { |
10696 | if (get_user_u64(loff_in, arg2)) { | |
2852aafd | 10697 | return -TARGET_EFAULT; |
17644b36 | 10698 | } |
3ce34dfb VS |
10699 | ploff_in = &loff_in; |
10700 | } | |
17644b36 AS |
10701 | if (arg4) { |
10702 | if (get_user_u64(loff_out, arg4)) { | |
2852aafd | 10703 | return -TARGET_EFAULT; |
17644b36 | 10704 | } |
3ce34dfb VS |
10705 | ploff_out = &loff_out; |
10706 | } | |
10707 | ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6)); | |
17644b36 AS |
10708 | if (arg2) { |
10709 | if (put_user_u64(loff_in, arg2)) { | |
2852aafd | 10710 | return -TARGET_EFAULT; |
17644b36 AS |
10711 | } |
10712 | } | |
10713 | if (arg4) { | |
10714 | if (put_user_u64(loff_out, arg4)) { | |
2852aafd | 10715 | return -TARGET_EFAULT; |
17644b36 AS |
10716 | } |
10717 | } | |
3ce34dfb | 10718 | } |
72eb7ea8 | 10719 | return ret; |
3ce34dfb VS |
10720 | #endif |
10721 | #ifdef TARGET_NR_vmsplice | |
10722 | case TARGET_NR_vmsplice: | |
10723 | { | |
f287b2c2 RH |
10724 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); |
10725 | if (vec != NULL) { | |
10726 | ret = get_errno(vmsplice(arg1, vec, arg3, arg4)); | |
10727 | unlock_iovec(vec, arg2, arg3, 0); | |
10728 | } else { | |
10729 | ret = -host_to_target_errno(errno); | |
10730 | } | |
3ce34dfb | 10731 | } |
72eb7ea8 | 10732 | return ret; |
3ce34dfb VS |
10733 | #endif |
10734 | #endif /* CONFIG_SPLICE */ | |
c2882b96 RV |
10735 | #ifdef CONFIG_EVENTFD |
10736 | #if defined(TARGET_NR_eventfd) | |
10737 | case TARGET_NR_eventfd: | |
10738 | ret = get_errno(eventfd(arg1, 0)); | |
b929f7e5 PMD |
10739 | if (ret >= 0) { |
10740 | fd_trans_register(ret, &target_eventfd_trans); | |
10741 | } | |
72eb7ea8 | 10742 | return ret; |
c2882b96 RV |
10743 | #endif |
10744 | #if defined(TARGET_NR_eventfd2) | |
10745 | case TARGET_NR_eventfd2: | |
5947c697 PJ |
10746 | { |
10747 | int host_flags = arg2 & (~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC)); | |
10748 | if (arg2 & TARGET_O_NONBLOCK) { | |
10749 | host_flags |= O_NONBLOCK; | |
10750 | } | |
10751 | if (arg2 & TARGET_O_CLOEXEC) { | |
10752 | host_flags |= O_CLOEXEC; | |
10753 | } | |
10754 | ret = get_errno(eventfd(arg1, host_flags)); | |
b929f7e5 PMD |
10755 | if (ret >= 0) { |
10756 | fd_trans_register(ret, &target_eventfd_trans); | |
10757 | } | |
72eb7ea8 | 10758 | return ret; |
5947c697 | 10759 | } |
c2882b96 RV |
10760 | #endif |
10761 | #endif /* CONFIG_EVENTFD */ | |
d0927938 UH |
10762 | #if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate) |
10763 | case TARGET_NR_fallocate: | |
20249ae1 AG |
10764 | #if TARGET_ABI_BITS == 32 |
10765 | ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4), | |
10766 | target_offset64(arg5, arg6))); | |
10767 | #else | |
d0927938 | 10768 | ret = get_errno(fallocate(arg1, arg2, arg3, arg4)); |
20249ae1 | 10769 | #endif |
72eb7ea8 | 10770 | return ret; |
c727f47d PM |
10771 | #endif |
10772 | #if defined(CONFIG_SYNC_FILE_RANGE) | |
10773 | #if defined(TARGET_NR_sync_file_range) | |
10774 | case TARGET_NR_sync_file_range: | |
10775 | #if TARGET_ABI_BITS == 32 | |
bfcedc57 RV |
10776 | #if defined(TARGET_MIPS) |
10777 | ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4), | |
10778 | target_offset64(arg5, arg6), arg7)); | |
10779 | #else | |
c727f47d PM |
10780 | ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3), |
10781 | target_offset64(arg4, arg5), arg6)); | |
bfcedc57 | 10782 | #endif /* !TARGET_MIPS */ |
c727f47d PM |
10783 | #else |
10784 | ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4)); | |
10785 | #endif | |
72eb7ea8 | 10786 | return ret; |
c727f47d PM |
10787 | #endif |
10788 | #if defined(TARGET_NR_sync_file_range2) | |
10789 | case TARGET_NR_sync_file_range2: | |
10790 | /* This is like sync_file_range but the arguments are reordered */ | |
10791 | #if TARGET_ABI_BITS == 32 | |
10792 | ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4), | |
10793 | target_offset64(arg5, arg6), arg2)); | |
10794 | #else | |
10795 | ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2)); | |
10796 | #endif | |
72eb7ea8 | 10797 | return ret; |
c727f47d | 10798 | #endif |
3b6edd16 | 10799 | #endif |
e36800c9 LV |
10800 | #if defined(TARGET_NR_signalfd4) |
10801 | case TARGET_NR_signalfd4: | |
72eb7ea8 | 10802 | return do_signalfd4(arg1, arg2, arg4); |
e36800c9 LV |
10803 | #endif |
10804 | #if defined(TARGET_NR_signalfd) | |
10805 | case TARGET_NR_signalfd: | |
72eb7ea8 | 10806 | return do_signalfd4(arg1, arg2, 0); |
e36800c9 | 10807 | #endif |
3b6edd16 PM |
10808 | #if defined(CONFIG_EPOLL) |
10809 | #if defined(TARGET_NR_epoll_create) | |
10810 | case TARGET_NR_epoll_create: | |
72eb7ea8 | 10811 | return get_errno(epoll_create(arg1)); |
3b6edd16 PM |
10812 | #endif |
10813 | #if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1) | |
10814 | case TARGET_NR_epoll_create1: | |
72eb7ea8 | 10815 | return get_errno(epoll_create1(arg1)); |
3b6edd16 PM |
10816 | #endif |
10817 | #if defined(TARGET_NR_epoll_ctl) | |
10818 | case TARGET_NR_epoll_ctl: | |
10819 | { | |
10820 | struct epoll_event ep; | |
10821 | struct epoll_event *epp = 0; | |
10822 | if (arg4) { | |
10823 | struct target_epoll_event *target_ep; | |
10824 | if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) { | |
2852aafd | 10825 | return -TARGET_EFAULT; |
3b6edd16 PM |
10826 | } |
10827 | ep.events = tswap32(target_ep->events); | |
10828 | /* The epoll_data_t union is just opaque data to the kernel, | |
10829 | * so we transfer all 64 bits across and need not worry what | |
10830 | * actual data type it is. | |
10831 | */ | |
10832 | ep.data.u64 = tswap64(target_ep->data.u64); | |
10833 | unlock_user_struct(target_ep, arg4, 0); | |
10834 | epp = &ep; | |
10835 | } | |
72eb7ea8 | 10836 | return get_errno(epoll_ctl(arg1, arg2, arg3, epp)); |
3b6edd16 PM |
10837 | } |
10838 | #endif | |
10839 | ||
227f0214 | 10840 | #if defined(TARGET_NR_epoll_wait) || defined(TARGET_NR_epoll_pwait) |
3b6edd16 PM |
10841 | #if defined(TARGET_NR_epoll_wait) |
10842 | case TARGET_NR_epoll_wait: | |
10843 | #endif | |
227f0214 | 10844 | #if defined(TARGET_NR_epoll_pwait) |
3b6edd16 PM |
10845 | case TARGET_NR_epoll_pwait: |
10846 | #endif | |
10847 | { | |
10848 | struct target_epoll_event *target_ep; | |
10849 | struct epoll_event *ep; | |
10850 | int epfd = arg1; | |
10851 | int maxevents = arg3; | |
10852 | int timeout = arg4; | |
10853 | ||
2ba7fae3 | 10854 | if (maxevents <= 0 || maxevents > TARGET_EP_MAX_EVENTS) { |
72eb7ea8 | 10855 | return -TARGET_EINVAL; |
2ba7fae3 PM |
10856 | } |
10857 | ||
3b6edd16 PM |
10858 | target_ep = lock_user(VERIFY_WRITE, arg2, |
10859 | maxevents * sizeof(struct target_epoll_event), 1); | |
10860 | if (!target_ep) { | |
2852aafd | 10861 | return -TARGET_EFAULT; |
3b6edd16 PM |
10862 | } |
10863 | ||
04c95f4d PM |
10864 | ep = g_try_new(struct epoll_event, maxevents); |
10865 | if (!ep) { | |
10866 | unlock_user(target_ep, arg2, 0); | |
72eb7ea8 | 10867 | return -TARGET_ENOMEM; |
04c95f4d | 10868 | } |
3b6edd16 PM |
10869 | |
10870 | switch (num) { | |
227f0214 | 10871 | #if defined(TARGET_NR_epoll_pwait) |
3b6edd16 PM |
10872 | case TARGET_NR_epoll_pwait: |
10873 | { | |
10874 | target_sigset_t *target_set; | |
10875 | sigset_t _set, *set = &_set; | |
10876 | ||
10877 | if (arg5) { | |
c815701e PM |
10878 | if (arg6 != sizeof(target_sigset_t)) { |
10879 | ret = -TARGET_EINVAL; | |
10880 | break; | |
10881 | } | |
10882 | ||
3b6edd16 PM |
10883 | target_set = lock_user(VERIFY_READ, arg5, |
10884 | sizeof(target_sigset_t), 1); | |
10885 | if (!target_set) { | |
04c95f4d PM |
10886 | ret = -TARGET_EFAULT; |
10887 | break; | |
3b6edd16 PM |
10888 | } |
10889 | target_to_host_sigset(set, target_set); | |
10890 | unlock_user(target_set, arg5, 0); | |
10891 | } else { | |
10892 | set = NULL; | |
10893 | } | |
10894 | ||
227f0214 PM |
10895 | ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout, |
10896 | set, SIGSET_T_SIZE)); | |
3b6edd16 PM |
10897 | break; |
10898 | } | |
10899 | #endif | |
10900 | #if defined(TARGET_NR_epoll_wait) | |
10901 | case TARGET_NR_epoll_wait: | |
227f0214 PM |
10902 | ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout, |
10903 | NULL, 0)); | |
3b6edd16 PM |
10904 | break; |
10905 | #endif | |
10906 | default: | |
10907 | ret = -TARGET_ENOSYS; | |
10908 | } | |
10909 | if (!is_error(ret)) { | |
10910 | int i; | |
10911 | for (i = 0; i < ret; i++) { | |
10912 | target_ep[i].events = tswap32(ep[i].events); | |
10913 | target_ep[i].data.u64 = tswap64(ep[i].data.u64); | |
10914 | } | |
04c95f4d PM |
10915 | unlock_user(target_ep, arg2, |
10916 | ret * sizeof(struct target_epoll_event)); | |
10917 | } else { | |
10918 | unlock_user(target_ep, arg2, 0); | |
3b6edd16 | 10919 | } |
04c95f4d | 10920 | g_free(ep); |
72eb7ea8 | 10921 | return ret; |
3b6edd16 PM |
10922 | } |
10923 | #endif | |
163a05a8 PM |
10924 | #endif |
10925 | #ifdef TARGET_NR_prlimit64 | |
10926 | case TARGET_NR_prlimit64: | |
10927 | { | |
10928 | /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */ | |
10929 | struct target_rlimit64 *target_rnew, *target_rold; | |
10930 | struct host_rlimit64 rnew, rold, *rnewp = 0; | |
95018018 | 10931 | int resource = target_to_host_resource(arg2); |
163a05a8 PM |
10932 | if (arg3) { |
10933 | if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) { | |
2852aafd | 10934 | return -TARGET_EFAULT; |
163a05a8 PM |
10935 | } |
10936 | rnew.rlim_cur = tswap64(target_rnew->rlim_cur); | |
10937 | rnew.rlim_max = tswap64(target_rnew->rlim_max); | |
10938 | unlock_user_struct(target_rnew, arg3, 0); | |
10939 | rnewp = &rnew; | |
10940 | } | |
10941 | ||
95018018 | 10942 | ret = get_errno(sys_prlimit64(arg1, resource, rnewp, arg4 ? &rold : 0)); |
163a05a8 PM |
10943 | if (!is_error(ret) && arg4) { |
10944 | if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) { | |
2852aafd | 10945 | return -TARGET_EFAULT; |
163a05a8 PM |
10946 | } |
10947 | target_rold->rlim_cur = tswap64(rold.rlim_cur); | |
10948 | target_rold->rlim_max = tswap64(rold.rlim_max); | |
10949 | unlock_user_struct(target_rold, arg4, 1); | |
10950 | } | |
72eb7ea8 | 10951 | return ret; |
163a05a8 | 10952 | } |
3d21d29c RH |
10953 | #endif |
10954 | #ifdef TARGET_NR_gethostname | |
10955 | case TARGET_NR_gethostname: | |
10956 | { | |
10957 | char *name = lock_user(VERIFY_WRITE, arg1, arg2, 0); | |
10958 | if (name) { | |
10959 | ret = get_errno(gethostname(name, arg2)); | |
10960 | unlock_user(name, arg1, arg2); | |
10961 | } else { | |
10962 | ret = -TARGET_EFAULT; | |
10963 | } | |
72eb7ea8 | 10964 | return ret; |
3d21d29c | 10965 | } |
89aaf1a6 RV |
10966 | #endif |
10967 | #ifdef TARGET_NR_atomic_cmpxchg_32 | |
10968 | case TARGET_NR_atomic_cmpxchg_32: | |
10969 | { | |
10970 | /* should use start_exclusive from main.c */ | |
10971 | abi_ulong mem_value; | |
10972 | if (get_user_u32(mem_value, arg6)) { | |
10973 | target_siginfo_t info; | |
10974 | info.si_signo = SIGSEGV; | |
10975 | info.si_errno = 0; | |
10976 | info.si_code = TARGET_SEGV_MAPERR; | |
10977 | info._sifields._sigfault._addr = arg6; | |
9d2803f7 PM |
10978 | queue_signal((CPUArchState *)cpu_env, info.si_signo, |
10979 | QEMU_SI_FAULT, &info); | |
89aaf1a6 RV |
10980 | ret = 0xdeadbeef; |
10981 | ||
10982 | } | |
10983 | if (mem_value == arg2) | |
10984 | put_user_u32(arg1, arg6); | |
72eb7ea8 | 10985 | return mem_value; |
89aaf1a6 RV |
10986 | } |
10987 | #endif | |
10988 | #ifdef TARGET_NR_atomic_barrier | |
10989 | case TARGET_NR_atomic_barrier: | |
72eb7ea8 RH |
10990 | /* Like the kernel implementation and the |
10991 | qemu arm barrier, no-op this? */ | |
10992 | return 0; | |
d0927938 | 10993 | #endif |
f4f1e10a ECL |
10994 | |
10995 | #ifdef TARGET_NR_timer_create | |
10996 | case TARGET_NR_timer_create: | |
10997 | { | |
10998 | /* args: clockid_t clockid, struct sigevent *sevp, timer_t *timerid */ | |
10999 | ||
11000 | struct sigevent host_sevp = { {0}, }, *phost_sevp = NULL; | |
f4f1e10a ECL |
11001 | |
11002 | int clkid = arg1; | |
11003 | int timer_index = next_free_host_timer(); | |
11004 | ||
11005 | if (timer_index < 0) { | |
11006 | ret = -TARGET_EAGAIN; | |
11007 | } else { | |
11008 | timer_t *phtimer = g_posix_timers + timer_index; | |
11009 | ||
11010 | if (arg2) { | |
f4f1e10a | 11011 | phost_sevp = &host_sevp; |
c065976f PM |
11012 | ret = target_to_host_sigevent(phost_sevp, arg2); |
11013 | if (ret != 0) { | |
72eb7ea8 | 11014 | return ret; |
c065976f | 11015 | } |
f4f1e10a ECL |
11016 | } |
11017 | ||
11018 | ret = get_errno(timer_create(clkid, phost_sevp, phtimer)); | |
11019 | if (ret) { | |
11020 | phtimer = NULL; | |
11021 | } else { | |
aecc8861 | 11022 | if (put_user(TIMER_MAGIC | timer_index, arg3, target_timer_t)) { |
2852aafd | 11023 | return -TARGET_EFAULT; |
f4f1e10a | 11024 | } |
f4f1e10a ECL |
11025 | } |
11026 | } | |
72eb7ea8 | 11027 | return ret; |
f4f1e10a ECL |
11028 | } |
11029 | #endif | |
11030 | ||
11031 | #ifdef TARGET_NR_timer_settime | |
11032 | case TARGET_NR_timer_settime: | |
11033 | { | |
11034 | /* args: timer_t timerid, int flags, const struct itimerspec *new_value, | |
11035 | * struct itimerspec * old_value */ | |
aecc8861 | 11036 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 11037 | |
aecc8861 AG |
11038 | if (timerid < 0) { |
11039 | ret = timerid; | |
11040 | } else if (arg3 == 0) { | |
f4f1e10a ECL |
11041 | ret = -TARGET_EINVAL; |
11042 | } else { | |
e52a99f7 | 11043 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
11044 | struct itimerspec hspec_new = {{0},}, hspec_old = {{0},}; |
11045 | ||
40c80b5e | 11046 | if (target_to_host_itimerspec(&hspec_new, arg3)) { |
2852aafd | 11047 | return -TARGET_EFAULT; |
40c80b5e | 11048 | } |
f4f1e10a ECL |
11049 | ret = get_errno( |
11050 | timer_settime(htimer, arg2, &hspec_new, &hspec_old)); | |
40c80b5e | 11051 | if (arg4 && host_to_target_itimerspec(arg4, &hspec_old)) { |
2852aafd | 11052 | return -TARGET_EFAULT; |
40c80b5e | 11053 | } |
f4f1e10a | 11054 | } |
72eb7ea8 | 11055 | return ret; |
f4f1e10a ECL |
11056 | } |
11057 | #endif | |
11058 | ||
11059 | #ifdef TARGET_NR_timer_gettime | |
11060 | case TARGET_NR_timer_gettime: | |
11061 | { | |
11062 | /* args: timer_t timerid, struct itimerspec *curr_value */ | |
aecc8861 | 11063 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 11064 | |
aecc8861 AG |
11065 | if (timerid < 0) { |
11066 | ret = timerid; | |
11067 | } else if (!arg2) { | |
11068 | ret = -TARGET_EFAULT; | |
f4f1e10a | 11069 | } else { |
e52a99f7 | 11070 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
11071 | struct itimerspec hspec; |
11072 | ret = get_errno(timer_gettime(htimer, &hspec)); | |
11073 | ||
11074 | if (host_to_target_itimerspec(arg2, &hspec)) { | |
11075 | ret = -TARGET_EFAULT; | |
11076 | } | |
11077 | } | |
72eb7ea8 | 11078 | return ret; |
f4f1e10a ECL |
11079 | } |
11080 | #endif | |
11081 | ||
11082 | #ifdef TARGET_NR_timer_getoverrun | |
11083 | case TARGET_NR_timer_getoverrun: | |
11084 | { | |
11085 | /* args: timer_t timerid */ | |
aecc8861 | 11086 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 11087 | |
aecc8861 AG |
11088 | if (timerid < 0) { |
11089 | ret = timerid; | |
f4f1e10a | 11090 | } else { |
e52a99f7 | 11091 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
11092 | ret = get_errno(timer_getoverrun(htimer)); |
11093 | } | |
e36800c9 | 11094 | fd_trans_unregister(ret); |
72eb7ea8 | 11095 | return ret; |
f4f1e10a ECL |
11096 | } |
11097 | #endif | |
11098 | ||
11099 | #ifdef TARGET_NR_timer_delete | |
11100 | case TARGET_NR_timer_delete: | |
11101 | { | |
11102 | /* args: timer_t timerid */ | |
aecc8861 | 11103 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 11104 | |
aecc8861 AG |
11105 | if (timerid < 0) { |
11106 | ret = timerid; | |
f4f1e10a | 11107 | } else { |
e52a99f7 | 11108 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a | 11109 | ret = get_errno(timer_delete(htimer)); |
e52a99f7 | 11110 | g_posix_timers[timerid] = 0; |
f4f1e10a | 11111 | } |
72eb7ea8 | 11112 | return ret; |
f4f1e10a ECL |
11113 | } |
11114 | #endif | |
11115 | ||
51834341 RV |
11116 | #if defined(TARGET_NR_timerfd_create) && defined(CONFIG_TIMERFD) |
11117 | case TARGET_NR_timerfd_create: | |
72eb7ea8 RH |
11118 | return get_errno(timerfd_create(arg1, |
11119 | target_to_host_bitmask(arg2, fcntl_flags_tbl))); | |
51834341 RV |
11120 | #endif |
11121 | ||
11122 | #if defined(TARGET_NR_timerfd_gettime) && defined(CONFIG_TIMERFD) | |
11123 | case TARGET_NR_timerfd_gettime: | |
11124 | { | |
11125 | struct itimerspec its_curr; | |
11126 | ||
11127 | ret = get_errno(timerfd_gettime(arg1, &its_curr)); | |
11128 | ||
11129 | if (arg2 && host_to_target_itimerspec(arg2, &its_curr)) { | |
2852aafd | 11130 | return -TARGET_EFAULT; |
51834341 RV |
11131 | } |
11132 | } | |
72eb7ea8 | 11133 | return ret; |
51834341 RV |
11134 | #endif |
11135 | ||
11136 | #if defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD) | |
11137 | case TARGET_NR_timerfd_settime: | |
11138 | { | |
11139 | struct itimerspec its_new, its_old, *p_new; | |
11140 | ||
11141 | if (arg3) { | |
11142 | if (target_to_host_itimerspec(&its_new, arg3)) { | |
2852aafd | 11143 | return -TARGET_EFAULT; |
51834341 RV |
11144 | } |
11145 | p_new = &its_new; | |
11146 | } else { | |
11147 | p_new = NULL; | |
11148 | } | |
11149 | ||
11150 | ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old)); | |
11151 | ||
11152 | if (arg4 && host_to_target_itimerspec(arg4, &its_old)) { | |
2852aafd | 11153 | return -TARGET_EFAULT; |
51834341 RV |
11154 | } |
11155 | } | |
72eb7ea8 | 11156 | return ret; |
51834341 RV |
11157 | #endif |
11158 | ||
ab31cda3 PB |
11159 | #if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get) |
11160 | case TARGET_NR_ioprio_get: | |
72eb7ea8 | 11161 | return get_errno(ioprio_get(arg1, arg2)); |
ab31cda3 PB |
11162 | #endif |
11163 | ||
11164 | #if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set) | |
11165 | case TARGET_NR_ioprio_set: | |
72eb7ea8 | 11166 | return get_errno(ioprio_set(arg1, arg2, arg3)); |
ab31cda3 PB |
11167 | #endif |
11168 | ||
9af5c906 RV |
11169 | #if defined(TARGET_NR_setns) && defined(CONFIG_SETNS) |
11170 | case TARGET_NR_setns: | |
72eb7ea8 | 11171 | return get_errno(setns(arg1, arg2)); |
9af5c906 RV |
11172 | #endif |
11173 | #if defined(TARGET_NR_unshare) && defined(CONFIG_SETNS) | |
11174 | case TARGET_NR_unshare: | |
72eb7ea8 | 11175 | return get_errno(unshare(arg1)); |
9af5c906 | 11176 | #endif |
2f14788c LV |
11177 | #if defined(TARGET_NR_kcmp) && defined(__NR_kcmp) |
11178 | case TARGET_NR_kcmp: | |
72eb7ea8 | 11179 | return get_errno(kcmp(arg1, arg2, arg3, arg4, arg5)); |
2f14788c | 11180 | #endif |
fa97e38e RH |
11181 | #ifdef TARGET_NR_swapcontext |
11182 | case TARGET_NR_swapcontext: | |
11183 | /* PowerPC specific. */ | |
72eb7ea8 | 11184 | return do_swapcontext(cpu_env, arg1, arg2, arg3); |
fa97e38e | 11185 | #endif |
9af5c906 | 11186 | |
31e31b8a | 11187 | default: |
122f9c83 | 11188 | qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num); |
72eb7ea8 | 11189 | return -TARGET_ENOSYS; |
31e31b8a | 11190 | } |
31e31b8a FB |
11191 | return ret; |
11192 | } | |
dc1ce18b RH |
11193 | |
11194 | abi_long do_syscall(void *cpu_env, int num, abi_long arg1, | |
11195 | abi_long arg2, abi_long arg3, abi_long arg4, | |
11196 | abi_long arg5, abi_long arg6, abi_long arg7, | |
11197 | abi_long arg8) | |
11198 | { | |
11199 | CPUState *cpu = ENV_GET_CPU(cpu_env); | |
11200 | abi_long ret; | |
11201 | ||
11202 | #ifdef DEBUG_ERESTARTSYS | |
11203 | /* Debug-only code for exercising the syscall-restart code paths | |
11204 | * in the per-architecture cpu main loops: restart every syscall | |
11205 | * the guest makes once before letting it through. | |
11206 | */ | |
11207 | { | |
11208 | static bool flag; | |
11209 | flag = !flag; | |
11210 | if (flag) { | |
11211 | return -TARGET_ERESTARTSYS; | |
11212 | } | |
11213 | } | |
11214 | #endif | |
11215 | ||
11216 | trace_guest_user_syscall(cpu, num, arg1, arg2, arg3, arg4, | |
11217 | arg5, arg6, arg7, arg8); | |
11218 | ||
11219 | if (unlikely(do_strace)) { | |
11220 | print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6); | |
11221 | ret = do_syscall1(cpu_env, num, arg1, arg2, arg3, arg4, | |
11222 | arg5, arg6, arg7, arg8); | |
11223 | print_syscall_ret(num, ret); | |
11224 | } else { | |
11225 | ret = do_syscall1(cpu_env, num, arg1, arg2, arg3, arg4, | |
11226 | arg5, arg6, arg7, arg8); | |
11227 | } | |
11228 | ||
11229 | trace_guest_user_syscall_ret(cpu, num, ret); | |
11230 | return ret; | |
11231 | } |