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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 |
31e31b8a FB |
20 | #include <stdlib.h> |
21 | #include <stdio.h> | |
22 | #include <stdarg.h> | |
04369ff2 | 23 | #include <string.h> |
31e31b8a FB |
24 | #include <elf.h> |
25 | #include <endian.h> | |
26 | #include <errno.h> | |
27 | #include <unistd.h> | |
28 | #include <fcntl.h> | |
7854b056 | 29 | #include <time.h> |
82e671d9 | 30 | #include <limits.h> |
c56dc774 | 31 | #include <grp.h> |
31e31b8a | 32 | #include <sys/types.h> |
d08d3bb8 TS |
33 | #include <sys/ipc.h> |
34 | #include <sys/msg.h> | |
31e31b8a FB |
35 | #include <sys/wait.h> |
36 | #include <sys/time.h> | |
37 | #include <sys/stat.h> | |
38 | #include <sys/mount.h> | |
586b0bef JS |
39 | #include <sys/file.h> |
40 | #include <sys/fsuid.h> | |
41 | #include <sys/personality.h> | |
39b9aae1 | 42 | #include <sys/prctl.h> |
31e31b8a FB |
43 | #include <sys/resource.h> |
44 | #include <sys/mman.h> | |
45 | #include <sys/swap.h> | |
e0eb210e | 46 | #include <linux/capability.h> |
31e31b8a FB |
47 | #include <signal.h> |
48 | #include <sched.h> | |
60e99246 AJ |
49 | #ifdef __ia64__ |
50 | int __clone2(int (*fn)(void *), void *child_stack_base, | |
51 | size_t stack_size, int flags, void *arg, ...); | |
52 | #endif | |
31e31b8a | 53 | #include <sys/socket.h> |
607175e0 | 54 | #include <sys/un.h> |
31e31b8a | 55 | #include <sys/uio.h> |
9de5e440 | 56 | #include <sys/poll.h> |
32f36bce | 57 | #include <sys/times.h> |
8853f86e | 58 | #include <sys/shm.h> |
fa294816 | 59 | #include <sys/sem.h> |
56c8f68f | 60 | #include <sys/statfs.h> |
ebc05488 | 61 | #include <utime.h> |
a5448a7d | 62 | #include <sys/sysinfo.h> |
72f03900 | 63 | //#include <sys/user.h> |
8853f86e | 64 | #include <netinet/ip.h> |
7854b056 | 65 | #include <netinet/tcp.h> |
86fcd946 | 66 | #include <linux/wireless.h> |
920394db | 67 | #include <linux/icmp.h> |
5a61cb60 | 68 | #include "qemu-common.h" |
d80a1905 RV |
69 | #ifdef CONFIG_TIMERFD |
70 | #include <sys/timerfd.h> | |
71 | #endif | |
9788c9ca | 72 | #ifdef TARGET_GPROF |
6d946cda AJ |
73 | #include <sys/gmon.h> |
74 | #endif | |
c2882b96 RV |
75 | #ifdef CONFIG_EVENTFD |
76 | #include <sys/eventfd.h> | |
77 | #endif | |
3b6edd16 PM |
78 | #ifdef CONFIG_EPOLL |
79 | #include <sys/epoll.h> | |
80 | #endif | |
a790ae38 | 81 | #ifdef CONFIG_ATTR |
1de7afc9 | 82 | #include "qemu/xattr.h" |
a790ae38 | 83 | #endif |
a8fd1aba PM |
84 | #ifdef CONFIG_SENDFILE |
85 | #include <sys/sendfile.h> | |
86 | #endif | |
31e31b8a FB |
87 | |
88 | #define termios host_termios | |
89 | #define winsize host_winsize | |
90 | #define termio host_termio | |
04369ff2 FB |
91 | #define sgttyb host_sgttyb /* same as target */ |
92 | #define tchars host_tchars /* same as target */ | |
93 | #define ltchars host_ltchars /* same as target */ | |
31e31b8a FB |
94 | |
95 | #include <linux/termios.h> | |
96 | #include <linux/unistd.h> | |
31e31b8a FB |
97 | #include <linux/cdrom.h> |
98 | #include <linux/hdreg.h> | |
99 | #include <linux/soundcard.h> | |
19b84f3c | 100 | #include <linux/kd.h> |
8fbd6b52 | 101 | #include <linux/mtio.h> |
350d1779 | 102 | #include <linux/fs.h> |
dace20dc | 103 | #if defined(CONFIG_FIEMAP) |
285da2b9 | 104 | #include <linux/fiemap.h> |
dace20dc | 105 | #endif |
f7680a55 UH |
106 | #include <linux/fb.h> |
107 | #include <linux/vt.h> | |
56e904ec | 108 | #include <linux/dm-ioctl.h> |
c07ecc68 | 109 | #include <linux/reboot.h> |
7ff7b666 | 110 | #include <linux/route.h> |
f57d4192 | 111 | #include <linux/filter.h> |
fff8c539 | 112 | #include <linux/blkpg.h> |
d7e4036e | 113 | #include "linux_loop.h" |
18cb0088 | 114 | #include "uname.h" |
31e31b8a | 115 | |
3ef693a0 | 116 | #include "qemu.h" |
31e31b8a | 117 | |
d865bab5 PB |
118 | #define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \ |
119 | CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID) | |
30813cea | 120 | |
72f03900 | 121 | //#define DEBUG |
31e31b8a | 122 | |
1a9353d2 | 123 | //#include <linux/msdos_fs.h> |
6556a833 AJ |
124 | #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2]) |
125 | #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2]) | |
1a9353d2 | 126 | |
70a194b9 | 127 | |
70a194b9 FB |
128 | #undef _syscall0 |
129 | #undef _syscall1 | |
130 | #undef _syscall2 | |
131 | #undef _syscall3 | |
132 | #undef _syscall4 | |
133 | #undef _syscall5 | |
83fcb515 | 134 | #undef _syscall6 |
70a194b9 | 135 | |
83fcb515 | 136 | #define _syscall0(type,name) \ |
8fcd3692 | 137 | static type name (void) \ |
83fcb515 FB |
138 | { \ |
139 | return syscall(__NR_##name); \ | |
140 | } | |
70a194b9 | 141 | |
83fcb515 | 142 | #define _syscall1(type,name,type1,arg1) \ |
8fcd3692 | 143 | static type name (type1 arg1) \ |
83fcb515 FB |
144 | { \ |
145 | return syscall(__NR_##name, arg1); \ | |
70a194b9 FB |
146 | } |
147 | ||
83fcb515 | 148 | #define _syscall2(type,name,type1,arg1,type2,arg2) \ |
8fcd3692 | 149 | static type name (type1 arg1,type2 arg2) \ |
83fcb515 FB |
150 | { \ |
151 | return syscall(__NR_##name, arg1, arg2); \ | |
70a194b9 FB |
152 | } |
153 | ||
83fcb515 | 154 | #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ |
8fcd3692 | 155 | static type name (type1 arg1,type2 arg2,type3 arg3) \ |
83fcb515 FB |
156 | { \ |
157 | return syscall(__NR_##name, arg1, arg2, arg3); \ | |
70a194b9 FB |
158 | } |
159 | ||
83fcb515 | 160 | #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ |
8fcd3692 | 161 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \ |
83fcb515 FB |
162 | { \ |
163 | return syscall(__NR_##name, arg1, arg2, arg3, arg4); \ | |
70a194b9 FB |
164 | } |
165 | ||
83fcb515 FB |
166 | #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ |
167 | type5,arg5) \ | |
8fcd3692 | 168 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \ |
83fcb515 FB |
169 | { \ |
170 | return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \ | |
70a194b9 FB |
171 | } |
172 | ||
83fcb515 FB |
173 | |
174 | #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ | |
175 | type5,arg5,type6,arg6) \ | |
8fcd3692 BS |
176 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \ |
177 | type6 arg6) \ | |
83fcb515 FB |
178 | { \ |
179 | return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \ | |
70a194b9 | 180 | } |
83fcb515 | 181 | |
70a194b9 | 182 | |
31e31b8a | 183 | #define __NR_sys_uname __NR_uname |
72f03900 | 184 | #define __NR_sys_getcwd1 __NR_getcwd |
72f03900 | 185 | #define __NR_sys_getdents __NR_getdents |
dab2ed99 | 186 | #define __NR_sys_getdents64 __NR_getdents64 |
c6cda17a | 187 | #define __NR_sys_getpriority __NR_getpriority |
66fb9763 | 188 | #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo |
7494b0f9 | 189 | #define __NR_sys_syslog __NR_syslog |
71455574 | 190 | #define __NR_sys_tgkill __NR_tgkill |
4cae1d16 | 191 | #define __NR_sys_tkill __NR_tkill |
bd0c5661 | 192 | #define __NR_sys_futex __NR_futex |
39b59763 AJ |
193 | #define __NR_sys_inotify_init __NR_inotify_init |
194 | #define __NR_sys_inotify_add_watch __NR_inotify_add_watch | |
195 | #define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch | |
31e31b8a | 196 | |
42a39fbe AG |
197 | #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) || \ |
198 | defined(__s390x__) | |
9af9eaaa FB |
199 | #define __NR__llseek __NR_lseek |
200 | #endif | |
201 | ||
a29e5ba2 JH |
202 | /* Newer kernel ports have llseek() instead of _llseek() */ |
203 | #if defined(TARGET_NR_llseek) && !defined(TARGET_NR__llseek) | |
204 | #define TARGET_NR__llseek TARGET_NR_llseek | |
205 | #endif | |
206 | ||
72f03900 | 207 | #ifdef __NR_gettid |
31e31b8a | 208 | _syscall0(int, gettid) |
72f03900 | 209 | #else |
0da46a6e TS |
210 | /* This is a replacement for the host gettid() and must return a host |
211 | errno. */ | |
72f03900 FB |
212 | static int gettid(void) { |
213 | return -ENOSYS; | |
214 | } | |
215 | #endif | |
3307e236 | 216 | #ifdef __NR_getdents |
3b3f24ad | 217 | _syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count); |
3307e236 PM |
218 | #endif |
219 | #if !defined(__NR_getdents) || \ | |
220 | (defined(TARGET_NR_getdents64) && defined(__NR_getdents64)) | |
3b3f24ad AJ |
221 | _syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count); |
222 | #endif | |
d35b261c | 223 | #if defined(TARGET_NR__llseek) && defined(__NR_llseek) |
3b3f24ad AJ |
224 | _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, |
225 | loff_t *, res, uint, wh); | |
226 | #endif | |
227 | _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo) | |
228 | _syscall3(int,sys_syslog,int,type,char*,bufp,int,len) | |
229 | #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill) | |
230 | _syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig) | |
231 | #endif | |
232 | #if defined(TARGET_NR_tkill) && defined(__NR_tkill) | |
233 | _syscall2(int,sys_tkill,int,tid,int,sig) | |
234 | #endif | |
235 | #ifdef __NR_exit_group | |
236 | _syscall1(int,exit_group,int,error_code) | |
237 | #endif | |
238 | #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) | |
239 | _syscall1(int,set_tid_address,int *,tidptr) | |
240 | #endif | |
3b3f24ad AJ |
241 | #if defined(TARGET_NR_futex) && defined(__NR_futex) |
242 | _syscall6(int,sys_futex,int *,uaddr,int,op,int,val, | |
243 | const struct timespec *,timeout,int *,uaddr2,int,val3) | |
244 | #endif | |
737de1d1 MF |
245 | #define __NR_sys_sched_getaffinity __NR_sched_getaffinity |
246 | _syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len, | |
247 | unsigned long *, user_mask_ptr); | |
248 | #define __NR_sys_sched_setaffinity __NR_sched_setaffinity | |
249 | _syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len, | |
250 | unsigned long *, user_mask_ptr); | |
0f6b4d21 AG |
251 | _syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd, |
252 | void *, arg); | |
e0eb210e PM |
253 | _syscall2(int, capget, struct __user_cap_header_struct *, header, |
254 | struct __user_cap_data_struct *, data); | |
255 | _syscall2(int, capset, struct __user_cap_header_struct *, header, | |
256 | struct __user_cap_data_struct *, data); | |
ab31cda3 PB |
257 | #if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get) |
258 | _syscall2(int, ioprio_get, int, which, int, who) | |
259 | #endif | |
260 | #if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set) | |
261 | _syscall3(int, ioprio_set, int, which, int, who, int, ioprio) | |
262 | #endif | |
3b3f24ad AJ |
263 | |
264 | static bitmask_transtbl fcntl_flags_tbl[] = { | |
265 | { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, }, | |
266 | { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, }, | |
267 | { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, }, | |
268 | { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, }, | |
269 | { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, }, | |
270 | { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, }, | |
271 | { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, }, | |
272 | { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, }, | |
afc8763f | 273 | { TARGET_O_SYNC, TARGET_O_DSYNC, O_SYNC, O_DSYNC, }, |
3b3f24ad AJ |
274 | { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, }, |
275 | { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, }, | |
276 | { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, }, | |
277 | { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, }, | |
3b3f24ad AJ |
278 | #if defined(O_DIRECT) |
279 | { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, }, | |
afc8763f RH |
280 | #endif |
281 | #if defined(O_NOATIME) | |
282 | { TARGET_O_NOATIME, TARGET_O_NOATIME, O_NOATIME, O_NOATIME }, | |
283 | #endif | |
284 | #if defined(O_CLOEXEC) | |
285 | { TARGET_O_CLOEXEC, TARGET_O_CLOEXEC, O_CLOEXEC, O_CLOEXEC }, | |
286 | #endif | |
287 | #if defined(O_PATH) | |
288 | { TARGET_O_PATH, TARGET_O_PATH, O_PATH, O_PATH }, | |
289 | #endif | |
290 | /* Don't terminate the list prematurely on 64-bit host+guest. */ | |
291 | #if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0 | |
292 | { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, }, | |
3b3f24ad AJ |
293 | #endif |
294 | { 0, 0, 0, 0 } | |
295 | }; | |
296 | ||
3b3f24ad AJ |
297 | static int sys_getcwd1(char *buf, size_t size) |
298 | { | |
299 | if (getcwd(buf, size) == NULL) { | |
300 | /* getcwd() sets errno */ | |
301 | return (-1); | |
302 | } | |
aaf4ad39 | 303 | return strlen(buf)+1; |
3b3f24ad AJ |
304 | } |
305 | ||
f4c69010 | 306 | static int sys_openat(int dirfd, const char *pathname, int flags, mode_t mode) |
3b3f24ad AJ |
307 | { |
308 | /* | |
309 | * open(2) has extra parameter 'mode' when called with | |
310 | * flag O_CREAT. | |
311 | */ | |
312 | if ((flags & O_CREAT) != 0) { | |
3b3f24ad AJ |
313 | return (openat(dirfd, pathname, flags, mode)); |
314 | } | |
315 | return (openat(dirfd, pathname, flags)); | |
316 | } | |
ebc996f3 | 317 | |
1acae9f2 | 318 | #ifdef TARGET_NR_utimensat |
ebc996f3 RV |
319 | #ifdef CONFIG_UTIMENSAT |
320 | static int sys_utimensat(int dirfd, const char *pathname, | |
321 | const struct timespec times[2], int flags) | |
322 | { | |
323 | if (pathname == NULL) | |
324 | return futimens(dirfd, times); | |
325 | else | |
326 | return utimensat(dirfd, pathname, times, flags); | |
327 | } | |
1acae9f2 PM |
328 | #elif defined(__NR_utimensat) |
329 | #define __NR_sys_utimensat __NR_utimensat | |
9007f0ef TS |
330 | _syscall4(int,sys_utimensat,int,dirfd,const char *,pathname, |
331 | const struct timespec *,tsp,int,flags) | |
1acae9f2 PM |
332 | #else |
333 | static int sys_utimensat(int dirfd, const char *pathname, | |
334 | const struct timespec times[2], int flags) | |
335 | { | |
336 | errno = ENOSYS; | |
337 | return -1; | |
338 | } | |
9007f0ef | 339 | #endif |
1acae9f2 | 340 | #endif /* TARGET_NR_utimensat */ |
3b3f24ad AJ |
341 | |
342 | #ifdef CONFIG_INOTIFY | |
8690e420 | 343 | #include <sys/inotify.h> |
3b3f24ad | 344 | |
39b59763 | 345 | #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init) |
3b3f24ad AJ |
346 | static int sys_inotify_init(void) |
347 | { | |
348 | return (inotify_init()); | |
349 | } | |
39b59763 AJ |
350 | #endif |
351 | #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch) | |
3b3f24ad AJ |
352 | static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask) |
353 | { | |
354 | return (inotify_add_watch(fd, pathname, mask)); | |
355 | } | |
39b59763 AJ |
356 | #endif |
357 | #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch) | |
3b3f24ad AJ |
358 | static int sys_inotify_rm_watch(int fd, int32_t wd) |
359 | { | |
8690e420 | 360 | return (inotify_rm_watch(fd, wd)); |
3b3f24ad | 361 | } |
bd0c5661 | 362 | #endif |
c05c7a73 RV |
363 | #ifdef CONFIG_INOTIFY1 |
364 | #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1) | |
365 | static int sys_inotify_init1(int flags) | |
366 | { | |
367 | return (inotify_init1(flags)); | |
368 | } | |
369 | #endif | |
370 | #endif | |
3b3f24ad AJ |
371 | #else |
372 | /* Userspace can usually survive runtime without inotify */ | |
373 | #undef TARGET_NR_inotify_init | |
c05c7a73 | 374 | #undef TARGET_NR_inotify_init1 |
3b3f24ad AJ |
375 | #undef TARGET_NR_inotify_add_watch |
376 | #undef TARGET_NR_inotify_rm_watch | |
377 | #endif /* CONFIG_INOTIFY */ | |
378 | ||
d8035d4c MF |
379 | #if defined(TARGET_NR_ppoll) |
380 | #ifndef __NR_ppoll | |
381 | # define __NR_ppoll -1 | |
382 | #endif | |
383 | #define __NR_sys_ppoll __NR_ppoll | |
384 | _syscall5(int, sys_ppoll, struct pollfd *, fds, nfds_t, nfds, | |
34d60862 | 385 | struct timespec *, timeout, const sigset_t *, sigmask, |
d8035d4c MF |
386 | size_t, sigsetsize) |
387 | #endif | |
66fb9763 | 388 | |
055e0906 MF |
389 | #if defined(TARGET_NR_pselect6) |
390 | #ifndef __NR_pselect6 | |
391 | # define __NR_pselect6 -1 | |
392 | #endif | |
393 | #define __NR_sys_pselect6 __NR_pselect6 | |
394 | _syscall6(int, sys_pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds, | |
395 | fd_set *, exceptfds, struct timespec *, timeout, void *, sig); | |
396 | #endif | |
397 | ||
163a05a8 PM |
398 | #if defined(TARGET_NR_prlimit64) |
399 | #ifndef __NR_prlimit64 | |
400 | # define __NR_prlimit64 -1 | |
401 | #endif | |
402 | #define __NR_sys_prlimit64 __NR_prlimit64 | |
403 | /* The glibc rlimit structure may not be that used by the underlying syscall */ | |
404 | struct host_rlimit64 { | |
405 | uint64_t rlim_cur; | |
406 | uint64_t rlim_max; | |
407 | }; | |
408 | _syscall4(int, sys_prlimit64, pid_t, pid, int, resource, | |
409 | const struct host_rlimit64 *, new_limit, | |
410 | struct host_rlimit64 *, old_limit) | |
411 | #endif | |
412 | ||
f4f1e10a ECL |
413 | |
414 | #if defined(TARGET_NR_timer_create) | |
415 | /* Maxiumum of 32 active POSIX timers allowed at any one time. */ | |
416 | static timer_t g_posix_timers[32] = { 0, } ; | |
417 | ||
418 | static inline int next_free_host_timer(void) | |
419 | { | |
420 | int k ; | |
421 | /* FIXME: Does finding the next free slot require a lock? */ | |
422 | for (k = 0; k < ARRAY_SIZE(g_posix_timers); k++) { | |
423 | if (g_posix_timers[k] == 0) { | |
424 | g_posix_timers[k] = (timer_t) 1; | |
425 | return k; | |
426 | } | |
427 | } | |
428 | return -1; | |
429 | } | |
430 | #endif | |
431 | ||
48e515d4 | 432 | /* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */ |
4a1def4e | 433 | #ifdef TARGET_ARM |
48e515d4 RV |
434 | static inline int regpairs_aligned(void *cpu_env) { |
435 | return ((((CPUARMState *)cpu_env)->eabi) == 1) ; | |
436 | } | |
437 | #elif defined(TARGET_MIPS) | |
438 | static inline int regpairs_aligned(void *cpu_env) { return 1; } | |
4a1def4e AG |
439 | #elif defined(TARGET_PPC) && !defined(TARGET_PPC64) |
440 | /* SysV AVI for PPC32 expects 64bit parameters to be passed on odd/even pairs | |
441 | * of registers which translates to the same as ARM/MIPS, because we start with | |
442 | * r3 as arg1 */ | |
443 | static inline int regpairs_aligned(void *cpu_env) { return 1; } | |
48e515d4 RV |
444 | #else |
445 | static inline int regpairs_aligned(void *cpu_env) { return 0; } | |
446 | #endif | |
447 | ||
b92c47c1 TS |
448 | #define ERRNO_TABLE_SIZE 1200 |
449 | ||
450 | /* target_to_host_errno_table[] is initialized from | |
451 | * host_to_target_errno_table[] in syscall_init(). */ | |
452 | static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = { | |
453 | }; | |
454 | ||
637947f1 | 455 | /* |
fe8f096b | 456 | * This list is the union of errno values overridden in asm-<arch>/errno.h |
637947f1 TS |
457 | * minus the errnos that are not actually generic to all archs. |
458 | */ | |
b92c47c1 | 459 | static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = { |
637947f1 TS |
460 | [EIDRM] = TARGET_EIDRM, |
461 | [ECHRNG] = TARGET_ECHRNG, | |
462 | [EL2NSYNC] = TARGET_EL2NSYNC, | |
463 | [EL3HLT] = TARGET_EL3HLT, | |
464 | [EL3RST] = TARGET_EL3RST, | |
465 | [ELNRNG] = TARGET_ELNRNG, | |
466 | [EUNATCH] = TARGET_EUNATCH, | |
467 | [ENOCSI] = TARGET_ENOCSI, | |
468 | [EL2HLT] = TARGET_EL2HLT, | |
469 | [EDEADLK] = TARGET_EDEADLK, | |
470 | [ENOLCK] = TARGET_ENOLCK, | |
471 | [EBADE] = TARGET_EBADE, | |
472 | [EBADR] = TARGET_EBADR, | |
473 | [EXFULL] = TARGET_EXFULL, | |
474 | [ENOANO] = TARGET_ENOANO, | |
475 | [EBADRQC] = TARGET_EBADRQC, | |
476 | [EBADSLT] = TARGET_EBADSLT, | |
477 | [EBFONT] = TARGET_EBFONT, | |
478 | [ENOSTR] = TARGET_ENOSTR, | |
479 | [ENODATA] = TARGET_ENODATA, | |
480 | [ETIME] = TARGET_ETIME, | |
481 | [ENOSR] = TARGET_ENOSR, | |
482 | [ENONET] = TARGET_ENONET, | |
483 | [ENOPKG] = TARGET_ENOPKG, | |
484 | [EREMOTE] = TARGET_EREMOTE, | |
485 | [ENOLINK] = TARGET_ENOLINK, | |
486 | [EADV] = TARGET_EADV, | |
487 | [ESRMNT] = TARGET_ESRMNT, | |
488 | [ECOMM] = TARGET_ECOMM, | |
489 | [EPROTO] = TARGET_EPROTO, | |
490 | [EDOTDOT] = TARGET_EDOTDOT, | |
491 | [EMULTIHOP] = TARGET_EMULTIHOP, | |
492 | [EBADMSG] = TARGET_EBADMSG, | |
493 | [ENAMETOOLONG] = TARGET_ENAMETOOLONG, | |
494 | [EOVERFLOW] = TARGET_EOVERFLOW, | |
495 | [ENOTUNIQ] = TARGET_ENOTUNIQ, | |
496 | [EBADFD] = TARGET_EBADFD, | |
497 | [EREMCHG] = TARGET_EREMCHG, | |
498 | [ELIBACC] = TARGET_ELIBACC, | |
499 | [ELIBBAD] = TARGET_ELIBBAD, | |
500 | [ELIBSCN] = TARGET_ELIBSCN, | |
501 | [ELIBMAX] = TARGET_ELIBMAX, | |
502 | [ELIBEXEC] = TARGET_ELIBEXEC, | |
503 | [EILSEQ] = TARGET_EILSEQ, | |
504 | [ENOSYS] = TARGET_ENOSYS, | |
505 | [ELOOP] = TARGET_ELOOP, | |
506 | [ERESTART] = TARGET_ERESTART, | |
507 | [ESTRPIPE] = TARGET_ESTRPIPE, | |
508 | [ENOTEMPTY] = TARGET_ENOTEMPTY, | |
509 | [EUSERS] = TARGET_EUSERS, | |
510 | [ENOTSOCK] = TARGET_ENOTSOCK, | |
511 | [EDESTADDRREQ] = TARGET_EDESTADDRREQ, | |
512 | [EMSGSIZE] = TARGET_EMSGSIZE, | |
513 | [EPROTOTYPE] = TARGET_EPROTOTYPE, | |
514 | [ENOPROTOOPT] = TARGET_ENOPROTOOPT, | |
515 | [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT, | |
516 | [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT, | |
517 | [EOPNOTSUPP] = TARGET_EOPNOTSUPP, | |
518 | [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT, | |
519 | [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT, | |
520 | [EADDRINUSE] = TARGET_EADDRINUSE, | |
521 | [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL, | |
522 | [ENETDOWN] = TARGET_ENETDOWN, | |
523 | [ENETUNREACH] = TARGET_ENETUNREACH, | |
524 | [ENETRESET] = TARGET_ENETRESET, | |
525 | [ECONNABORTED] = TARGET_ECONNABORTED, | |
526 | [ECONNRESET] = TARGET_ECONNRESET, | |
527 | [ENOBUFS] = TARGET_ENOBUFS, | |
528 | [EISCONN] = TARGET_EISCONN, | |
529 | [ENOTCONN] = TARGET_ENOTCONN, | |
530 | [EUCLEAN] = TARGET_EUCLEAN, | |
531 | [ENOTNAM] = TARGET_ENOTNAM, | |
532 | [ENAVAIL] = TARGET_ENAVAIL, | |
533 | [EISNAM] = TARGET_EISNAM, | |
534 | [EREMOTEIO] = TARGET_EREMOTEIO, | |
535 | [ESHUTDOWN] = TARGET_ESHUTDOWN, | |
536 | [ETOOMANYREFS] = TARGET_ETOOMANYREFS, | |
537 | [ETIMEDOUT] = TARGET_ETIMEDOUT, | |
538 | [ECONNREFUSED] = TARGET_ECONNREFUSED, | |
539 | [EHOSTDOWN] = TARGET_EHOSTDOWN, | |
540 | [EHOSTUNREACH] = TARGET_EHOSTUNREACH, | |
541 | [EALREADY] = TARGET_EALREADY, | |
542 | [EINPROGRESS] = TARGET_EINPROGRESS, | |
543 | [ESTALE] = TARGET_ESTALE, | |
544 | [ECANCELED] = TARGET_ECANCELED, | |
545 | [ENOMEDIUM] = TARGET_ENOMEDIUM, | |
546 | [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE, | |
b7fe5db7 | 547 | #ifdef ENOKEY |
637947f1 | 548 | [ENOKEY] = TARGET_ENOKEY, |
b7fe5db7 TS |
549 | #endif |
550 | #ifdef EKEYEXPIRED | |
637947f1 | 551 | [EKEYEXPIRED] = TARGET_EKEYEXPIRED, |
b7fe5db7 TS |
552 | #endif |
553 | #ifdef EKEYREVOKED | |
637947f1 | 554 | [EKEYREVOKED] = TARGET_EKEYREVOKED, |
b7fe5db7 TS |
555 | #endif |
556 | #ifdef EKEYREJECTED | |
637947f1 | 557 | [EKEYREJECTED] = TARGET_EKEYREJECTED, |
b7fe5db7 TS |
558 | #endif |
559 | #ifdef EOWNERDEAD | |
637947f1 | 560 | [EOWNERDEAD] = TARGET_EOWNERDEAD, |
b7fe5db7 TS |
561 | #endif |
562 | #ifdef ENOTRECOVERABLE | |
637947f1 | 563 | [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE, |
b7fe5db7 | 564 | #endif |
b92c47c1 | 565 | }; |
637947f1 TS |
566 | |
567 | static inline int host_to_target_errno(int err) | |
568 | { | |
569 | if(host_to_target_errno_table[err]) | |
570 | return host_to_target_errno_table[err]; | |
571 | return err; | |
572 | } | |
573 | ||
b92c47c1 TS |
574 | static inline int target_to_host_errno(int err) |
575 | { | |
576 | if (target_to_host_errno_table[err]) | |
577 | return target_to_host_errno_table[err]; | |
578 | return err; | |
579 | } | |
580 | ||
992f48a0 | 581 | static inline abi_long get_errno(abi_long ret) |
31e31b8a FB |
582 | { |
583 | if (ret == -1) | |
637947f1 | 584 | return -host_to_target_errno(errno); |
31e31b8a FB |
585 | else |
586 | return ret; | |
587 | } | |
588 | ||
992f48a0 | 589 | static inline int is_error(abi_long ret) |
31e31b8a | 590 | { |
992f48a0 | 591 | return (abi_ulong)ret >= (abi_ulong)(-4096); |
31e31b8a FB |
592 | } |
593 | ||
b92c47c1 TS |
594 | char *target_strerror(int err) |
595 | { | |
962b289e AG |
596 | if ((err >= ERRNO_TABLE_SIZE) || (err < 0)) { |
597 | return NULL; | |
598 | } | |
b92c47c1 TS |
599 | return strerror(target_to_host_errno(err)); |
600 | } | |
601 | ||
8289d112 PB |
602 | static inline int host_to_target_sock_type(int host_type) |
603 | { | |
604 | int target_type; | |
605 | ||
606 | switch (host_type & 0xf /* SOCK_TYPE_MASK */) { | |
607 | case SOCK_DGRAM: | |
608 | target_type = TARGET_SOCK_DGRAM; | |
609 | break; | |
610 | case SOCK_STREAM: | |
611 | target_type = TARGET_SOCK_STREAM; | |
612 | break; | |
613 | default: | |
614 | target_type = host_type & 0xf /* SOCK_TYPE_MASK */; | |
615 | break; | |
616 | } | |
617 | ||
618 | #if defined(SOCK_CLOEXEC) | |
619 | if (host_type & SOCK_CLOEXEC) { | |
620 | target_type |= TARGET_SOCK_CLOEXEC; | |
621 | } | |
622 | #endif | |
623 | ||
624 | #if defined(SOCK_NONBLOCK) | |
625 | if (host_type & SOCK_NONBLOCK) { | |
626 | target_type |= TARGET_SOCK_NONBLOCK; | |
627 | } | |
628 | #endif | |
629 | ||
630 | return target_type; | |
631 | } | |
632 | ||
992f48a0 BS |
633 | static abi_ulong target_brk; |
634 | static abi_ulong target_original_brk; | |
4d1de87c | 635 | static abi_ulong brk_page; |
31e31b8a | 636 | |
992f48a0 | 637 | void target_set_brk(abi_ulong new_brk) |
31e31b8a | 638 | { |
4c1de73d | 639 | target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk); |
4d1de87c | 640 | brk_page = HOST_PAGE_ALIGN(target_brk); |
31e31b8a FB |
641 | } |
642 | ||
4d1de87c CV |
643 | //#define DEBUGF_BRK(message, args...) do { fprintf(stderr, (message), ## args); } while (0) |
644 | #define DEBUGF_BRK(message, args...) | |
645 | ||
0da46a6e | 646 | /* do_brk() must return target values and target errnos. */ |
992f48a0 | 647 | abi_long do_brk(abi_ulong new_brk) |
31e31b8a | 648 | { |
992f48a0 | 649 | abi_long mapped_addr; |
31e31b8a FB |
650 | int new_alloc_size; |
651 | ||
3a0c6c4a | 652 | DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx ") -> ", new_brk); |
4d1de87c CV |
653 | |
654 | if (!new_brk) { | |
3a0c6c4a | 655 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (!new_brk)\n", target_brk); |
53a5960a | 656 | return target_brk; |
4d1de87c CV |
657 | } |
658 | if (new_brk < target_original_brk) { | |
3a0c6c4a PB |
659 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk < target_original_brk)\n", |
660 | target_brk); | |
7ab240ad | 661 | return target_brk; |
4d1de87c | 662 | } |
3b46e624 | 663 | |
4d1de87c CV |
664 | /* If the new brk is less than the highest page reserved to the |
665 | * target heap allocation, set it and we're almost done... */ | |
666 | if (new_brk <= brk_page) { | |
667 | /* Heap contents are initialized to zero, as for anonymous | |
668 | * mapped pages. */ | |
669 | if (new_brk > target_brk) { | |
670 | memset(g2h(target_brk), 0, new_brk - target_brk); | |
671 | } | |
31e31b8a | 672 | target_brk = new_brk; |
3a0c6c4a | 673 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk <= brk_page)\n", target_brk); |
53a5960a | 674 | return target_brk; |
31e31b8a FB |
675 | } |
676 | ||
00faf08c PM |
677 | /* We need to allocate more memory after the brk... Note that |
678 | * we don't use MAP_FIXED because that will map over the top of | |
679 | * any existing mapping (like the one with the host libc or qemu | |
680 | * itself); instead we treat "mapped but at wrong address" as | |
681 | * a failure and unmap again. | |
682 | */ | |
4d1de87c | 683 | new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page); |
5fafdf24 | 684 | mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size, |
54936004 | 685 | PROT_READ|PROT_WRITE, |
00faf08c PM |
686 | MAP_ANON|MAP_PRIVATE, 0, 0)); |
687 | ||
688 | if (mapped_addr == brk_page) { | |
70afc343 CV |
689 | /* Heap contents are initialized to zero, as for anonymous |
690 | * mapped pages. Technically the new pages are already | |
691 | * initialized to zero since they *are* anonymous mapped | |
692 | * pages, however we have to take care with the contents that | |
693 | * come from the remaining part of the previous page: it may | |
694 | * contains garbage data due to a previous heap usage (grown | |
695 | * then shrunken). */ | |
696 | memset(g2h(target_brk), 0, brk_page - target_brk); | |
697 | ||
00faf08c | 698 | target_brk = new_brk; |
4d1de87c | 699 | brk_page = HOST_PAGE_ALIGN(target_brk); |
3a0c6c4a PB |
700 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr == brk_page)\n", |
701 | target_brk); | |
00faf08c PM |
702 | return target_brk; |
703 | } else if (mapped_addr != -1) { | |
704 | /* Mapped but at wrong address, meaning there wasn't actually | |
705 | * enough space for this brk. | |
706 | */ | |
707 | target_munmap(mapped_addr, new_alloc_size); | |
708 | mapped_addr = -1; | |
3a0c6c4a | 709 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr != -1)\n", target_brk); |
4d1de87c CV |
710 | } |
711 | else { | |
3a0c6c4a | 712 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (otherwise)\n", target_brk); |
00faf08c | 713 | } |
7ab240ad | 714 | |
7dd46c02 RH |
715 | #if defined(TARGET_ALPHA) |
716 | /* We (partially) emulate OSF/1 on Alpha, which requires we | |
717 | return a proper errno, not an unchanged brk value. */ | |
00faf08c | 718 | return -TARGET_ENOMEM; |
7dd46c02 | 719 | #endif |
00faf08c | 720 | /* For everything else, return the previous break. */ |
7ab240ad | 721 | return target_brk; |
31e31b8a FB |
722 | } |
723 | ||
26edcf41 TS |
724 | static inline abi_long copy_from_user_fdset(fd_set *fds, |
725 | abi_ulong target_fds_addr, | |
726 | int n) | |
31e31b8a | 727 | { |
26edcf41 TS |
728 | int i, nw, j, k; |
729 | abi_ulong b, *target_fds; | |
730 | ||
731 | nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS; | |
732 | if (!(target_fds = lock_user(VERIFY_READ, | |
733 | target_fds_addr, | |
734 | sizeof(abi_ulong) * nw, | |
735 | 1))) | |
736 | return -TARGET_EFAULT; | |
737 | ||
738 | FD_ZERO(fds); | |
739 | k = 0; | |
740 | for (i = 0; i < nw; i++) { | |
741 | /* grab the abi_ulong */ | |
742 | __get_user(b, &target_fds[i]); | |
743 | for (j = 0; j < TARGET_ABI_BITS; j++) { | |
744 | /* check the bit inside the abi_ulong */ | |
745 | if ((b >> j) & 1) | |
746 | FD_SET(k, fds); | |
747 | k++; | |
31e31b8a | 748 | } |
31e31b8a | 749 | } |
26edcf41 TS |
750 | |
751 | unlock_user(target_fds, target_fds_addr, 0); | |
752 | ||
753 | return 0; | |
31e31b8a FB |
754 | } |
755 | ||
055e0906 MF |
756 | static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr, |
757 | abi_ulong target_fds_addr, | |
758 | int n) | |
759 | { | |
760 | if (target_fds_addr) { | |
761 | if (copy_from_user_fdset(fds, target_fds_addr, n)) | |
762 | return -TARGET_EFAULT; | |
763 | *fds_ptr = fds; | |
764 | } else { | |
765 | *fds_ptr = NULL; | |
766 | } | |
767 | return 0; | |
768 | } | |
769 | ||
26edcf41 TS |
770 | static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr, |
771 | const fd_set *fds, | |
772 | int n) | |
31e31b8a | 773 | { |
31e31b8a | 774 | int i, nw, j, k; |
992f48a0 | 775 | abi_long v; |
26edcf41 | 776 | abi_ulong *target_fds; |
31e31b8a | 777 | |
26edcf41 TS |
778 | nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS; |
779 | if (!(target_fds = lock_user(VERIFY_WRITE, | |
780 | target_fds_addr, | |
781 | sizeof(abi_ulong) * nw, | |
782 | 0))) | |
783 | return -TARGET_EFAULT; | |
784 | ||
785 | k = 0; | |
786 | for (i = 0; i < nw; i++) { | |
787 | v = 0; | |
788 | for (j = 0; j < TARGET_ABI_BITS; j++) { | |
9ab709be | 789 | v |= ((abi_ulong)(FD_ISSET(k, fds) != 0) << j); |
26edcf41 | 790 | k++; |
31e31b8a | 791 | } |
26edcf41 | 792 | __put_user(v, &target_fds[i]); |
31e31b8a | 793 | } |
26edcf41 TS |
794 | |
795 | unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw); | |
796 | ||
797 | return 0; | |
31e31b8a FB |
798 | } |
799 | ||
c596ed17 FB |
800 | #if defined(__alpha__) |
801 | #define HOST_HZ 1024 | |
802 | #else | |
803 | #define HOST_HZ 100 | |
804 | #endif | |
805 | ||
992f48a0 | 806 | static inline abi_long host_to_target_clock_t(long ticks) |
c596ed17 FB |
807 | { |
808 | #if HOST_HZ == TARGET_HZ | |
809 | return ticks; | |
810 | #else | |
811 | return ((int64_t)ticks * TARGET_HZ) / HOST_HZ; | |
812 | #endif | |
813 | } | |
814 | ||
579a97f7 FB |
815 | static inline abi_long host_to_target_rusage(abi_ulong target_addr, |
816 | const struct rusage *rusage) | |
b409186b | 817 | { |
53a5960a PB |
818 | struct target_rusage *target_rusage; |
819 | ||
579a97f7 FB |
820 | if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0)) |
821 | return -TARGET_EFAULT; | |
cbb21eed MB |
822 | target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec); |
823 | target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec); | |
824 | target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec); | |
825 | target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec); | |
826 | target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss); | |
827 | target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss); | |
828 | target_rusage->ru_idrss = tswapal(rusage->ru_idrss); | |
829 | target_rusage->ru_isrss = tswapal(rusage->ru_isrss); | |
830 | target_rusage->ru_minflt = tswapal(rusage->ru_minflt); | |
831 | target_rusage->ru_majflt = tswapal(rusage->ru_majflt); | |
832 | target_rusage->ru_nswap = tswapal(rusage->ru_nswap); | |
833 | target_rusage->ru_inblock = tswapal(rusage->ru_inblock); | |
834 | target_rusage->ru_oublock = tswapal(rusage->ru_oublock); | |
835 | target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd); | |
836 | target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv); | |
837 | target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals); | |
838 | target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw); | |
839 | target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw); | |
53a5960a | 840 | unlock_user_struct(target_rusage, target_addr, 1); |
579a97f7 FB |
841 | |
842 | return 0; | |
b409186b FB |
843 | } |
844 | ||
cbb21eed | 845 | static inline rlim_t target_to_host_rlim(abi_ulong target_rlim) |
81bbe906 | 846 | { |
cbb21eed | 847 | abi_ulong target_rlim_swap; |
95b33b2f WT |
848 | rlim_t result; |
849 | ||
cbb21eed MB |
850 | target_rlim_swap = tswapal(target_rlim); |
851 | if (target_rlim_swap == TARGET_RLIM_INFINITY) | |
852 | return RLIM_INFINITY; | |
853 | ||
854 | result = target_rlim_swap; | |
855 | if (target_rlim_swap != (rlim_t)result) | |
856 | return RLIM_INFINITY; | |
95b33b2f WT |
857 | |
858 | return result; | |
81bbe906 TY |
859 | } |
860 | ||
cbb21eed | 861 | static inline abi_ulong host_to_target_rlim(rlim_t rlim) |
81bbe906 | 862 | { |
cbb21eed MB |
863 | abi_ulong target_rlim_swap; |
864 | abi_ulong result; | |
95b33b2f | 865 | |
cbb21eed | 866 | if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim) |
95b33b2f | 867 | target_rlim_swap = TARGET_RLIM_INFINITY; |
81bbe906 | 868 | else |
95b33b2f | 869 | target_rlim_swap = rlim; |
cbb21eed | 870 | result = tswapal(target_rlim_swap); |
95b33b2f WT |
871 | |
872 | return result; | |
81bbe906 TY |
873 | } |
874 | ||
e22b7015 WT |
875 | static inline int target_to_host_resource(int code) |
876 | { | |
877 | switch (code) { | |
878 | case TARGET_RLIMIT_AS: | |
879 | return RLIMIT_AS; | |
880 | case TARGET_RLIMIT_CORE: | |
881 | return RLIMIT_CORE; | |
882 | case TARGET_RLIMIT_CPU: | |
883 | return RLIMIT_CPU; | |
884 | case TARGET_RLIMIT_DATA: | |
885 | return RLIMIT_DATA; | |
886 | case TARGET_RLIMIT_FSIZE: | |
887 | return RLIMIT_FSIZE; | |
888 | case TARGET_RLIMIT_LOCKS: | |
889 | return RLIMIT_LOCKS; | |
890 | case TARGET_RLIMIT_MEMLOCK: | |
891 | return RLIMIT_MEMLOCK; | |
892 | case TARGET_RLIMIT_MSGQUEUE: | |
893 | return RLIMIT_MSGQUEUE; | |
894 | case TARGET_RLIMIT_NICE: | |
895 | return RLIMIT_NICE; | |
896 | case TARGET_RLIMIT_NOFILE: | |
897 | return RLIMIT_NOFILE; | |
898 | case TARGET_RLIMIT_NPROC: | |
899 | return RLIMIT_NPROC; | |
900 | case TARGET_RLIMIT_RSS: | |
901 | return RLIMIT_RSS; | |
902 | case TARGET_RLIMIT_RTPRIO: | |
903 | return RLIMIT_RTPRIO; | |
904 | case TARGET_RLIMIT_SIGPENDING: | |
905 | return RLIMIT_SIGPENDING; | |
906 | case TARGET_RLIMIT_STACK: | |
907 | return RLIMIT_STACK; | |
908 | default: | |
909 | return code; | |
910 | } | |
911 | } | |
912 | ||
788f5ec4 TS |
913 | static inline abi_long copy_from_user_timeval(struct timeval *tv, |
914 | abi_ulong target_tv_addr) | |
31e31b8a | 915 | { |
53a5960a PB |
916 | struct target_timeval *target_tv; |
917 | ||
788f5ec4 | 918 | if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1)) |
579a97f7 | 919 | return -TARGET_EFAULT; |
788f5ec4 TS |
920 | |
921 | __get_user(tv->tv_sec, &target_tv->tv_sec); | |
922 | __get_user(tv->tv_usec, &target_tv->tv_usec); | |
923 | ||
924 | unlock_user_struct(target_tv, target_tv_addr, 0); | |
579a97f7 FB |
925 | |
926 | return 0; | |
31e31b8a FB |
927 | } |
928 | ||
788f5ec4 TS |
929 | static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr, |
930 | const struct timeval *tv) | |
31e31b8a | 931 | { |
53a5960a PB |
932 | struct target_timeval *target_tv; |
933 | ||
788f5ec4 | 934 | if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) |
579a97f7 | 935 | return -TARGET_EFAULT; |
788f5ec4 TS |
936 | |
937 | __put_user(tv->tv_sec, &target_tv->tv_sec); | |
938 | __put_user(tv->tv_usec, &target_tv->tv_usec); | |
939 | ||
940 | unlock_user_struct(target_tv, target_tv_addr, 1); | |
579a97f7 FB |
941 | |
942 | return 0; | |
31e31b8a FB |
943 | } |
944 | ||
ef4467e9 PB |
945 | static inline abi_long copy_from_user_timezone(struct timezone *tz, |
946 | abi_ulong target_tz_addr) | |
947 | { | |
948 | struct target_timezone *target_tz; | |
949 | ||
950 | if (!lock_user_struct(VERIFY_READ, target_tz, target_tz_addr, 1)) { | |
951 | return -TARGET_EFAULT; | |
952 | } | |
953 | ||
954 | __get_user(tz->tz_minuteswest, &target_tz->tz_minuteswest); | |
955 | __get_user(tz->tz_dsttime, &target_tz->tz_dsttime); | |
956 | ||
957 | unlock_user_struct(target_tz, target_tz_addr, 0); | |
958 | ||
959 | return 0; | |
960 | } | |
961 | ||
8ec9cf89 NF |
962 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
963 | #include <mqueue.h> | |
964 | ||
24e1003a AJ |
965 | static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr, |
966 | abi_ulong target_mq_attr_addr) | |
967 | { | |
968 | struct target_mq_attr *target_mq_attr; | |
969 | ||
970 | if (!lock_user_struct(VERIFY_READ, target_mq_attr, | |
971 | target_mq_attr_addr, 1)) | |
972 | return -TARGET_EFAULT; | |
973 | ||
974 | __get_user(attr->mq_flags, &target_mq_attr->mq_flags); | |
975 | __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); | |
976 | __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); | |
977 | __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); | |
978 | ||
979 | unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0); | |
980 | ||
981 | return 0; | |
982 | } | |
983 | ||
984 | static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr, | |
985 | const struct mq_attr *attr) | |
986 | { | |
987 | struct target_mq_attr *target_mq_attr; | |
988 | ||
989 | if (!lock_user_struct(VERIFY_WRITE, target_mq_attr, | |
990 | target_mq_attr_addr, 0)) | |
991 | return -TARGET_EFAULT; | |
992 | ||
993 | __put_user(attr->mq_flags, &target_mq_attr->mq_flags); | |
994 | __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); | |
995 | __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); | |
996 | __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); | |
997 | ||
998 | unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1); | |
999 | ||
1000 | return 0; | |
1001 | } | |
8ec9cf89 | 1002 | #endif |
31e31b8a | 1003 | |
055e0906 | 1004 | #if defined(TARGET_NR_select) || defined(TARGET_NR__newselect) |
0da46a6e | 1005 | /* do_select() must return target values and target errnos. */ |
992f48a0 | 1006 | static abi_long do_select(int n, |
26edcf41 TS |
1007 | abi_ulong rfd_addr, abi_ulong wfd_addr, |
1008 | abi_ulong efd_addr, abi_ulong target_tv_addr) | |
31e31b8a FB |
1009 | { |
1010 | fd_set rfds, wfds, efds; | |
1011 | fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; | |
1012 | struct timeval tv, *tv_ptr; | |
992f48a0 | 1013 | abi_long ret; |
31e31b8a | 1014 | |
055e0906 MF |
1015 | ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); |
1016 | if (ret) { | |
1017 | return ret; | |
53a5960a | 1018 | } |
055e0906 MF |
1019 | ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); |
1020 | if (ret) { | |
1021 | return ret; | |
53a5960a | 1022 | } |
055e0906 MF |
1023 | ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); |
1024 | if (ret) { | |
1025 | return ret; | |
53a5960a | 1026 | } |
3b46e624 | 1027 | |
26edcf41 | 1028 | if (target_tv_addr) { |
788f5ec4 TS |
1029 | if (copy_from_user_timeval(&tv, target_tv_addr)) |
1030 | return -TARGET_EFAULT; | |
31e31b8a FB |
1031 | tv_ptr = &tv; |
1032 | } else { | |
1033 | tv_ptr = NULL; | |
1034 | } | |
26edcf41 | 1035 | |
31e31b8a | 1036 | ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr)); |
53a5960a | 1037 | |
26edcf41 TS |
1038 | if (!is_error(ret)) { |
1039 | if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) | |
1040 | return -TARGET_EFAULT; | |
1041 | if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) | |
1042 | return -TARGET_EFAULT; | |
1043 | if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) | |
1044 | return -TARGET_EFAULT; | |
31e31b8a | 1045 | |
788f5ec4 TS |
1046 | if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv)) |
1047 | return -TARGET_EFAULT; | |
31e31b8a | 1048 | } |
579a97f7 | 1049 | |
31e31b8a FB |
1050 | return ret; |
1051 | } | |
055e0906 | 1052 | #endif |
31e31b8a | 1053 | |
099d6b0f RV |
1054 | static abi_long do_pipe2(int host_pipe[], int flags) |
1055 | { | |
1056 | #ifdef CONFIG_PIPE2 | |
1057 | return pipe2(host_pipe, flags); | |
1058 | #else | |
1059 | return -ENOSYS; | |
1060 | #endif | |
1061 | } | |
1062 | ||
fb41a66e RH |
1063 | static abi_long do_pipe(void *cpu_env, abi_ulong pipedes, |
1064 | int flags, int is_pipe2) | |
099d6b0f RV |
1065 | { |
1066 | int host_pipe[2]; | |
1067 | abi_long ret; | |
1068 | ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe); | |
1069 | ||
1070 | if (is_error(ret)) | |
1071 | return get_errno(ret); | |
fb41a66e RH |
1072 | |
1073 | /* Several targets have special calling conventions for the original | |
1074 | pipe syscall, but didn't replicate this into the pipe2 syscall. */ | |
1075 | if (!is_pipe2) { | |
1076 | #if defined(TARGET_ALPHA) | |
1077 | ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1]; | |
1078 | return host_pipe[0]; | |
1079 | #elif defined(TARGET_MIPS) | |
1080 | ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1]; | |
1081 | return host_pipe[0]; | |
1082 | #elif defined(TARGET_SH4) | |
597c0212 | 1083 | ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1]; |
fb41a66e | 1084 | return host_pipe[0]; |
82f05b69 PM |
1085 | #elif defined(TARGET_SPARC) |
1086 | ((CPUSPARCState*)cpu_env)->regwptr[1] = host_pipe[1]; | |
1087 | return host_pipe[0]; | |
597c0212 | 1088 | #endif |
fb41a66e RH |
1089 | } |
1090 | ||
099d6b0f RV |
1091 | if (put_user_s32(host_pipe[0], pipedes) |
1092 | || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0]))) | |
1093 | return -TARGET_EFAULT; | |
099d6b0f RV |
1094 | return get_errno(ret); |
1095 | } | |
1096 | ||
b975b83b LL |
1097 | static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn, |
1098 | abi_ulong target_addr, | |
1099 | socklen_t len) | |
1100 | { | |
1101 | struct target_ip_mreqn *target_smreqn; | |
1102 | ||
1103 | target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1); | |
1104 | if (!target_smreqn) | |
1105 | return -TARGET_EFAULT; | |
1106 | mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr; | |
1107 | mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr; | |
1108 | if (len == sizeof(struct target_ip_mreqn)) | |
cbb21eed | 1109 | mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex); |
b975b83b LL |
1110 | unlock_user(target_smreqn, target_addr, 0); |
1111 | ||
1112 | return 0; | |
1113 | } | |
1114 | ||
579a97f7 FB |
1115 | static inline abi_long target_to_host_sockaddr(struct sockaddr *addr, |
1116 | abi_ulong target_addr, | |
1117 | socklen_t len) | |
7854b056 | 1118 | { |
607175e0 AJ |
1119 | const socklen_t unix_maxlen = sizeof (struct sockaddr_un); |
1120 | sa_family_t sa_family; | |
53a5960a PB |
1121 | struct target_sockaddr *target_saddr; |
1122 | ||
579a97f7 FB |
1123 | target_saddr = lock_user(VERIFY_READ, target_addr, len, 1); |
1124 | if (!target_saddr) | |
1125 | return -TARGET_EFAULT; | |
607175e0 AJ |
1126 | |
1127 | sa_family = tswap16(target_saddr->sa_family); | |
1128 | ||
1129 | /* Oops. The caller might send a incomplete sun_path; sun_path | |
1130 | * must be terminated by \0 (see the manual page), but | |
1131 | * unfortunately it is quite common to specify sockaddr_un | |
1132 | * length as "strlen(x->sun_path)" while it should be | |
1133 | * "strlen(...) + 1". We'll fix that here if needed. | |
1134 | * Linux kernel has a similar feature. | |
1135 | */ | |
1136 | ||
1137 | if (sa_family == AF_UNIX) { | |
1138 | if (len < unix_maxlen && len > 0) { | |
1139 | char *cp = (char*)target_saddr; | |
1140 | ||
1141 | if ( cp[len-1] && !cp[len] ) | |
1142 | len++; | |
1143 | } | |
1144 | if (len > unix_maxlen) | |
1145 | len = unix_maxlen; | |
1146 | } | |
1147 | ||
53a5960a | 1148 | memcpy(addr, target_saddr, len); |
607175e0 | 1149 | addr->sa_family = sa_family; |
33a29b51 JT |
1150 | if (sa_family == AF_PACKET) { |
1151 | struct target_sockaddr_ll *lladdr; | |
1152 | ||
1153 | lladdr = (struct target_sockaddr_ll *)addr; | |
1154 | lladdr->sll_ifindex = tswap32(lladdr->sll_ifindex); | |
1155 | lladdr->sll_hatype = tswap16(lladdr->sll_hatype); | |
1156 | } | |
53a5960a | 1157 | unlock_user(target_saddr, target_addr, 0); |
579a97f7 FB |
1158 | |
1159 | return 0; | |
7854b056 FB |
1160 | } |
1161 | ||
579a97f7 FB |
1162 | static inline abi_long host_to_target_sockaddr(abi_ulong target_addr, |
1163 | struct sockaddr *addr, | |
1164 | socklen_t len) | |
7854b056 | 1165 | { |
53a5960a PB |
1166 | struct target_sockaddr *target_saddr; |
1167 | ||
579a97f7 FB |
1168 | target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0); |
1169 | if (!target_saddr) | |
1170 | return -TARGET_EFAULT; | |
53a5960a PB |
1171 | memcpy(target_saddr, addr, len); |
1172 | target_saddr->sa_family = tswap16(addr->sa_family); | |
1173 | unlock_user(target_saddr, target_addr, len); | |
579a97f7 FB |
1174 | |
1175 | return 0; | |
7854b056 FB |
1176 | } |
1177 | ||
5a4a898d FB |
1178 | static inline abi_long target_to_host_cmsg(struct msghdr *msgh, |
1179 | struct target_msghdr *target_msgh) | |
7854b056 FB |
1180 | { |
1181 | struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); | |
5a4a898d FB |
1182 | abi_long msg_controllen; |
1183 | abi_ulong target_cmsg_addr; | |
1184 | struct target_cmsghdr *target_cmsg; | |
7854b056 | 1185 | socklen_t space = 0; |
5a4a898d | 1186 | |
cbb21eed | 1187 | msg_controllen = tswapal(target_msgh->msg_controllen); |
5a4a898d FB |
1188 | if (msg_controllen < sizeof (struct target_cmsghdr)) |
1189 | goto the_end; | |
cbb21eed | 1190 | target_cmsg_addr = tswapal(target_msgh->msg_control); |
5a4a898d FB |
1191 | target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1); |
1192 | if (!target_cmsg) | |
1193 | return -TARGET_EFAULT; | |
7854b056 FB |
1194 | |
1195 | while (cmsg && target_cmsg) { | |
1196 | void *data = CMSG_DATA(cmsg); | |
1197 | void *target_data = TARGET_CMSG_DATA(target_cmsg); | |
1198 | ||
cbb21eed | 1199 | int len = tswapal(target_cmsg->cmsg_len) |
7854b056 FB |
1200 | - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr)); |
1201 | ||
1202 | space += CMSG_SPACE(len); | |
1203 | if (space > msgh->msg_controllen) { | |
1204 | space -= CMSG_SPACE(len); | |
31febb71 | 1205 | gemu_log("Host cmsg overflow\n"); |
7854b056 FB |
1206 | break; |
1207 | } | |
1208 | ||
dbf4f796 PJ |
1209 | if (tswap32(target_cmsg->cmsg_level) == TARGET_SOL_SOCKET) { |
1210 | cmsg->cmsg_level = SOL_SOCKET; | |
1211 | } else { | |
1212 | cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level); | |
1213 | } | |
7854b056 FB |
1214 | cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type); |
1215 | cmsg->cmsg_len = CMSG_LEN(len); | |
1216 | ||
dbf4f796 | 1217 | if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) { |
7854b056 FB |
1218 | gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type); |
1219 | memcpy(data, target_data, len); | |
1220 | } else { | |
1221 | int *fd = (int *)data; | |
1222 | int *target_fd = (int *)target_data; | |
1223 | int i, numfds = len / sizeof(int); | |
1224 | ||
1225 | for (i = 0; i < numfds; i++) | |
1226 | fd[i] = tswap32(target_fd[i]); | |
1227 | } | |
1228 | ||
1229 | cmsg = CMSG_NXTHDR(msgh, cmsg); | |
1230 | target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); | |
1231 | } | |
5a4a898d FB |
1232 | unlock_user(target_cmsg, target_cmsg_addr, 0); |
1233 | the_end: | |
7854b056 | 1234 | msgh->msg_controllen = space; |
5a4a898d | 1235 | return 0; |
7854b056 FB |
1236 | } |
1237 | ||
5a4a898d FB |
1238 | static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh, |
1239 | struct msghdr *msgh) | |
7854b056 FB |
1240 | { |
1241 | struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); | |
5a4a898d FB |
1242 | abi_long msg_controllen; |
1243 | abi_ulong target_cmsg_addr; | |
1244 | struct target_cmsghdr *target_cmsg; | |
7854b056 FB |
1245 | socklen_t space = 0; |
1246 | ||
cbb21eed | 1247 | msg_controllen = tswapal(target_msgh->msg_controllen); |
5a4a898d FB |
1248 | if (msg_controllen < sizeof (struct target_cmsghdr)) |
1249 | goto the_end; | |
cbb21eed | 1250 | target_cmsg_addr = tswapal(target_msgh->msg_control); |
5a4a898d FB |
1251 | target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0); |
1252 | if (!target_cmsg) | |
1253 | return -TARGET_EFAULT; | |
1254 | ||
7854b056 FB |
1255 | while (cmsg && target_cmsg) { |
1256 | void *data = CMSG_DATA(cmsg); | |
1257 | void *target_data = TARGET_CMSG_DATA(target_cmsg); | |
1258 | ||
1259 | int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr)); | |
1260 | ||
1261 | space += TARGET_CMSG_SPACE(len); | |
5a4a898d | 1262 | if (space > msg_controllen) { |
7854b056 | 1263 | space -= TARGET_CMSG_SPACE(len); |
31febb71 | 1264 | gemu_log("Target cmsg overflow\n"); |
7854b056 FB |
1265 | break; |
1266 | } | |
1267 | ||
dbf4f796 PJ |
1268 | if (cmsg->cmsg_level == SOL_SOCKET) { |
1269 | target_cmsg->cmsg_level = tswap32(TARGET_SOL_SOCKET); | |
1270 | } else { | |
1271 | target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level); | |
1272 | } | |
7854b056 | 1273 | target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type); |
cbb21eed | 1274 | target_cmsg->cmsg_len = tswapal(TARGET_CMSG_LEN(len)); |
7854b056 | 1275 | |
52b65494 HD |
1276 | switch (cmsg->cmsg_level) { |
1277 | case SOL_SOCKET: | |
1278 | switch (cmsg->cmsg_type) { | |
1279 | case SCM_RIGHTS: | |
1280 | { | |
1281 | int *fd = (int *)data; | |
1282 | int *target_fd = (int *)target_data; | |
1283 | int i, numfds = len / sizeof(int); | |
1284 | ||
1285 | for (i = 0; i < numfds; i++) | |
1286 | target_fd[i] = tswap32(fd[i]); | |
1287 | break; | |
1288 | } | |
1289 | case SO_TIMESTAMP: | |
1290 | { | |
1291 | struct timeval *tv = (struct timeval *)data; | |
1292 | struct target_timeval *target_tv = | |
1293 | (struct target_timeval *)target_data; | |
1294 | ||
1295 | if (len != sizeof(struct timeval)) | |
1296 | goto unimplemented; | |
1297 | ||
1298 | /* copy struct timeval to target */ | |
1299 | target_tv->tv_sec = tswapal(tv->tv_sec); | |
1300 | target_tv->tv_usec = tswapal(tv->tv_usec); | |
1301 | break; | |
1302 | } | |
4bc29756 HD |
1303 | case SCM_CREDENTIALS: |
1304 | { | |
1305 | struct ucred *cred = (struct ucred *)data; | |
1306 | struct target_ucred *target_cred = | |
1307 | (struct target_ucred *)target_data; | |
1308 | ||
1309 | __put_user(cred->pid, &target_cred->pid); | |
1310 | __put_user(cred->uid, &target_cred->uid); | |
1311 | __put_user(cred->gid, &target_cred->gid); | |
1312 | break; | |
1313 | } | |
52b65494 HD |
1314 | default: |
1315 | goto unimplemented; | |
1316 | } | |
1317 | break; | |
7854b056 | 1318 | |
52b65494 HD |
1319 | default: |
1320 | unimplemented: | |
aebf5bc7 JH |
1321 | gemu_log("Unsupported ancillary data: %d/%d\n", |
1322 | cmsg->cmsg_level, cmsg->cmsg_type); | |
1323 | memcpy(target_data, data, len); | |
7854b056 FB |
1324 | } |
1325 | ||
1326 | cmsg = CMSG_NXTHDR(msgh, cmsg); | |
1327 | target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); | |
1328 | } | |
5a4a898d FB |
1329 | unlock_user(target_cmsg, target_cmsg_addr, space); |
1330 | the_end: | |
cbb21eed | 1331 | target_msgh->msg_controllen = tswapal(space); |
5a4a898d | 1332 | return 0; |
7854b056 FB |
1333 | } |
1334 | ||
0da46a6e | 1335 | /* do_setsockopt() Must return target values and target errnos. */ |
992f48a0 | 1336 | static abi_long do_setsockopt(int sockfd, int level, int optname, |
2f619698 | 1337 | abi_ulong optval_addr, socklen_t optlen) |
7854b056 | 1338 | { |
992f48a0 | 1339 | abi_long ret; |
32407103 | 1340 | int val; |
b975b83b | 1341 | struct ip_mreqn *ip_mreq; |
6e3cb58f | 1342 | struct ip_mreq_source *ip_mreq_source; |
3b46e624 | 1343 | |
8853f86e FB |
1344 | switch(level) { |
1345 | case SOL_TCP: | |
7854b056 | 1346 | /* TCP options all take an 'int' value. */ |
7854b056 | 1347 | if (optlen < sizeof(uint32_t)) |
0da46a6e | 1348 | return -TARGET_EINVAL; |
3b46e624 | 1349 | |
2f619698 FB |
1350 | if (get_user_u32(val, optval_addr)) |
1351 | return -TARGET_EFAULT; | |
8853f86e FB |
1352 | ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); |
1353 | break; | |
1354 | case SOL_IP: | |
1355 | switch(optname) { | |
2efbe911 FB |
1356 | case IP_TOS: |
1357 | case IP_TTL: | |
8853f86e | 1358 | case IP_HDRINCL: |
2efbe911 FB |
1359 | case IP_ROUTER_ALERT: |
1360 | case IP_RECVOPTS: | |
1361 | case IP_RETOPTS: | |
1362 | case IP_PKTINFO: | |
1363 | case IP_MTU_DISCOVER: | |
1364 | case IP_RECVERR: | |
1365 | case IP_RECVTOS: | |
1366 | #ifdef IP_FREEBIND | |
1367 | case IP_FREEBIND: | |
1368 | #endif | |
1369 | case IP_MULTICAST_TTL: | |
1370 | case IP_MULTICAST_LOOP: | |
8853f86e FB |
1371 | val = 0; |
1372 | if (optlen >= sizeof(uint32_t)) { | |
2f619698 FB |
1373 | if (get_user_u32(val, optval_addr)) |
1374 | return -TARGET_EFAULT; | |
8853f86e | 1375 | } else if (optlen >= 1) { |
2f619698 FB |
1376 | if (get_user_u8(val, optval_addr)) |
1377 | return -TARGET_EFAULT; | |
8853f86e FB |
1378 | } |
1379 | ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); | |
1380 | break; | |
b975b83b LL |
1381 | case IP_ADD_MEMBERSHIP: |
1382 | case IP_DROP_MEMBERSHIP: | |
1383 | if (optlen < sizeof (struct target_ip_mreq) || | |
1384 | optlen > sizeof (struct target_ip_mreqn)) | |
1385 | return -TARGET_EINVAL; | |
1386 | ||
1387 | ip_mreq = (struct ip_mreqn *) alloca(optlen); | |
1388 | target_to_host_ip_mreq(ip_mreq, optval_addr, optlen); | |
1389 | ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen)); | |
1390 | break; | |
1391 | ||
6e3cb58f LL |
1392 | case IP_BLOCK_SOURCE: |
1393 | case IP_UNBLOCK_SOURCE: | |
1394 | case IP_ADD_SOURCE_MEMBERSHIP: | |
1395 | case IP_DROP_SOURCE_MEMBERSHIP: | |
1396 | if (optlen != sizeof (struct target_ip_mreq_source)) | |
1397 | return -TARGET_EINVAL; | |
1398 | ||
1399 | ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1); | |
1400 | ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen)); | |
1401 | unlock_user (ip_mreq_source, optval_addr, 0); | |
1402 | break; | |
1403 | ||
920394db JH |
1404 | default: |
1405 | goto unimplemented; | |
1406 | } | |
1407 | break; | |
0d78b3b5 LV |
1408 | case SOL_IPV6: |
1409 | switch (optname) { | |
1410 | case IPV6_MTU_DISCOVER: | |
1411 | case IPV6_MTU: | |
1412 | case IPV6_V6ONLY: | |
1413 | case IPV6_RECVPKTINFO: | |
1414 | val = 0; | |
1415 | if (optlen < sizeof(uint32_t)) { | |
1416 | return -TARGET_EINVAL; | |
1417 | } | |
1418 | if (get_user_u32(val, optval_addr)) { | |
1419 | return -TARGET_EFAULT; | |
1420 | } | |
1421 | ret = get_errno(setsockopt(sockfd, level, optname, | |
1422 | &val, sizeof(val))); | |
1423 | break; | |
1424 | default: | |
1425 | goto unimplemented; | |
1426 | } | |
1427 | break; | |
920394db JH |
1428 | case SOL_RAW: |
1429 | switch (optname) { | |
1430 | case ICMP_FILTER: | |
1431 | /* struct icmp_filter takes an u32 value */ | |
1432 | if (optlen < sizeof(uint32_t)) { | |
1433 | return -TARGET_EINVAL; | |
1434 | } | |
1435 | ||
1436 | if (get_user_u32(val, optval_addr)) { | |
1437 | return -TARGET_EFAULT; | |
1438 | } | |
1439 | ret = get_errno(setsockopt(sockfd, level, optname, | |
1440 | &val, sizeof(val))); | |
1441 | break; | |
1442 | ||
8853f86e FB |
1443 | default: |
1444 | goto unimplemented; | |
1445 | } | |
1446 | break; | |
3532fa74 | 1447 | case TARGET_SOL_SOCKET: |
8853f86e | 1448 | switch (optname) { |
1b09aeb9 LV |
1449 | case TARGET_SO_RCVTIMEO: |
1450 | { | |
1451 | struct timeval tv; | |
1452 | ||
1453 | optname = SO_RCVTIMEO; | |
1454 | ||
1455 | set_timeout: | |
1456 | if (optlen != sizeof(struct target_timeval)) { | |
1457 | return -TARGET_EINVAL; | |
1458 | } | |
1459 | ||
1460 | if (copy_from_user_timeval(&tv, optval_addr)) { | |
1461 | return -TARGET_EFAULT; | |
1462 | } | |
1463 | ||
1464 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, | |
1465 | &tv, sizeof(tv))); | |
1466 | return ret; | |
1467 | } | |
1468 | case TARGET_SO_SNDTIMEO: | |
1469 | optname = SO_SNDTIMEO; | |
1470 | goto set_timeout; | |
f57d4192 LV |
1471 | case TARGET_SO_ATTACH_FILTER: |
1472 | { | |
1473 | struct target_sock_fprog *tfprog; | |
1474 | struct target_sock_filter *tfilter; | |
1475 | struct sock_fprog fprog; | |
1476 | struct sock_filter *filter; | |
1477 | int i; | |
1478 | ||
1479 | if (optlen != sizeof(*tfprog)) { | |
1480 | return -TARGET_EINVAL; | |
1481 | } | |
1482 | if (!lock_user_struct(VERIFY_READ, tfprog, optval_addr, 0)) { | |
1483 | return -TARGET_EFAULT; | |
1484 | } | |
1485 | if (!lock_user_struct(VERIFY_READ, tfilter, | |
1486 | tswapal(tfprog->filter), 0)) { | |
1487 | unlock_user_struct(tfprog, optval_addr, 1); | |
1488 | return -TARGET_EFAULT; | |
1489 | } | |
1490 | ||
1491 | fprog.len = tswap16(tfprog->len); | |
1492 | filter = malloc(fprog.len * sizeof(*filter)); | |
1493 | if (filter == NULL) { | |
1494 | unlock_user_struct(tfilter, tfprog->filter, 1); | |
1495 | unlock_user_struct(tfprog, optval_addr, 1); | |
1496 | return -TARGET_ENOMEM; | |
1497 | } | |
1498 | for (i = 0; i < fprog.len; i++) { | |
1499 | filter[i].code = tswap16(tfilter[i].code); | |
1500 | filter[i].jt = tfilter[i].jt; | |
1501 | filter[i].jf = tfilter[i].jf; | |
1502 | filter[i].k = tswap32(tfilter[i].k); | |
1503 | } | |
1504 | fprog.filter = filter; | |
1505 | ||
1506 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, | |
1507 | SO_ATTACH_FILTER, &fprog, sizeof(fprog))); | |
1508 | free(filter); | |
1509 | ||
1510 | unlock_user_struct(tfilter, tfprog->filter, 1); | |
1511 | unlock_user_struct(tfprog, optval_addr, 1); | |
1512 | return ret; | |
1513 | } | |
451aaf68 JT |
1514 | case TARGET_SO_BINDTODEVICE: |
1515 | { | |
1516 | char *dev_ifname, *addr_ifname; | |
1517 | ||
1518 | if (optlen > IFNAMSIZ - 1) { | |
1519 | optlen = IFNAMSIZ - 1; | |
1520 | } | |
1521 | dev_ifname = lock_user(VERIFY_READ, optval_addr, optlen, 1); | |
1522 | if (!dev_ifname) { | |
1523 | return -TARGET_EFAULT; | |
1524 | } | |
1525 | optname = SO_BINDTODEVICE; | |
1526 | addr_ifname = alloca(IFNAMSIZ); | |
1527 | memcpy(addr_ifname, dev_ifname, optlen); | |
1528 | addr_ifname[optlen] = 0; | |
1529 | ret = get_errno(setsockopt(sockfd, level, optname, addr_ifname, optlen)); | |
1530 | unlock_user (dev_ifname, optval_addr, 0); | |
1531 | return ret; | |
1532 | } | |
8853f86e | 1533 | /* Options with 'int' argument. */ |
3532fa74 FB |
1534 | case TARGET_SO_DEBUG: |
1535 | optname = SO_DEBUG; | |
1536 | break; | |
1537 | case TARGET_SO_REUSEADDR: | |
1538 | optname = SO_REUSEADDR; | |
1539 | break; | |
1540 | case TARGET_SO_TYPE: | |
1541 | optname = SO_TYPE; | |
1542 | break; | |
1543 | case TARGET_SO_ERROR: | |
1544 | optname = SO_ERROR; | |
1545 | break; | |
1546 | case TARGET_SO_DONTROUTE: | |
1547 | optname = SO_DONTROUTE; | |
1548 | break; | |
1549 | case TARGET_SO_BROADCAST: | |
1550 | optname = SO_BROADCAST; | |
1551 | break; | |
1552 | case TARGET_SO_SNDBUF: | |
1553 | optname = SO_SNDBUF; | |
1554 | break; | |
d79b6cc4 PB |
1555 | case TARGET_SO_SNDBUFFORCE: |
1556 | optname = SO_SNDBUFFORCE; | |
1557 | break; | |
3532fa74 FB |
1558 | case TARGET_SO_RCVBUF: |
1559 | optname = SO_RCVBUF; | |
1560 | break; | |
d79b6cc4 PB |
1561 | case TARGET_SO_RCVBUFFORCE: |
1562 | optname = SO_RCVBUFFORCE; | |
1563 | break; | |
3532fa74 FB |
1564 | case TARGET_SO_KEEPALIVE: |
1565 | optname = SO_KEEPALIVE; | |
1566 | break; | |
1567 | case TARGET_SO_OOBINLINE: | |
1568 | optname = SO_OOBINLINE; | |
1569 | break; | |
1570 | case TARGET_SO_NO_CHECK: | |
1571 | optname = SO_NO_CHECK; | |
1572 | break; | |
1573 | case TARGET_SO_PRIORITY: | |
1574 | optname = SO_PRIORITY; | |
1575 | break; | |
5e83e8e3 | 1576 | #ifdef SO_BSDCOMPAT |
3532fa74 FB |
1577 | case TARGET_SO_BSDCOMPAT: |
1578 | optname = SO_BSDCOMPAT; | |
1579 | break; | |
5e83e8e3 | 1580 | #endif |
3532fa74 FB |
1581 | case TARGET_SO_PASSCRED: |
1582 | optname = SO_PASSCRED; | |
1583 | break; | |
82d0fe6b PB |
1584 | case TARGET_SO_PASSSEC: |
1585 | optname = SO_PASSSEC; | |
1586 | break; | |
3532fa74 FB |
1587 | case TARGET_SO_TIMESTAMP: |
1588 | optname = SO_TIMESTAMP; | |
1589 | break; | |
1590 | case TARGET_SO_RCVLOWAT: | |
1591 | optname = SO_RCVLOWAT; | |
1592 | break; | |
8853f86e FB |
1593 | break; |
1594 | default: | |
1595 | goto unimplemented; | |
1596 | } | |
3532fa74 | 1597 | if (optlen < sizeof(uint32_t)) |
2f619698 | 1598 | return -TARGET_EINVAL; |
3532fa74 | 1599 | |
2f619698 FB |
1600 | if (get_user_u32(val, optval_addr)) |
1601 | return -TARGET_EFAULT; | |
3532fa74 | 1602 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val))); |
8853f86e | 1603 | break; |
7854b056 | 1604 | default: |
8853f86e | 1605 | unimplemented: |
b2bedb21 | 1606 | gemu_log("Unsupported setsockopt level=%d optname=%d\n", level, optname); |
6fa13c17 | 1607 | ret = -TARGET_ENOPROTOOPT; |
7854b056 | 1608 | } |
8853f86e | 1609 | return ret; |
7854b056 FB |
1610 | } |
1611 | ||
0da46a6e | 1612 | /* do_getsockopt() Must return target values and target errnos. */ |
992f48a0 | 1613 | static abi_long do_getsockopt(int sockfd, int level, int optname, |
2f619698 | 1614 | abi_ulong optval_addr, abi_ulong optlen) |
7854b056 | 1615 | { |
992f48a0 | 1616 | abi_long ret; |
b55266b5 BS |
1617 | int len, val; |
1618 | socklen_t lv; | |
8853f86e FB |
1619 | |
1620 | switch(level) { | |
3532fa74 | 1621 | case TARGET_SOL_SOCKET: |
f3b974cd JL |
1622 | level = SOL_SOCKET; |
1623 | switch (optname) { | |
1624 | /* These don't just return a single integer */ | |
1625 | case TARGET_SO_LINGER: | |
1626 | case TARGET_SO_RCVTIMEO: | |
1627 | case TARGET_SO_SNDTIMEO: | |
f3b974cd JL |
1628 | case TARGET_SO_PEERNAME: |
1629 | goto unimplemented; | |
583359a6 AP |
1630 | case TARGET_SO_PEERCRED: { |
1631 | struct ucred cr; | |
1632 | socklen_t crlen; | |
1633 | struct target_ucred *tcr; | |
1634 | ||
1635 | if (get_user_u32(len, optlen)) { | |
1636 | return -TARGET_EFAULT; | |
1637 | } | |
1638 | if (len < 0) { | |
1639 | return -TARGET_EINVAL; | |
1640 | } | |
1641 | ||
1642 | crlen = sizeof(cr); | |
1643 | ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED, | |
1644 | &cr, &crlen)); | |
1645 | if (ret < 0) { | |
1646 | return ret; | |
1647 | } | |
1648 | if (len > crlen) { | |
1649 | len = crlen; | |
1650 | } | |
1651 | if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) { | |
1652 | return -TARGET_EFAULT; | |
1653 | } | |
1654 | __put_user(cr.pid, &tcr->pid); | |
1655 | __put_user(cr.uid, &tcr->uid); | |
1656 | __put_user(cr.gid, &tcr->gid); | |
1657 | unlock_user_struct(tcr, optval_addr, 1); | |
1658 | if (put_user_u32(len, optlen)) { | |
1659 | return -TARGET_EFAULT; | |
1660 | } | |
1661 | break; | |
1662 | } | |
f3b974cd JL |
1663 | /* Options with 'int' argument. */ |
1664 | case TARGET_SO_DEBUG: | |
1665 | optname = SO_DEBUG; | |
1666 | goto int_case; | |
1667 | case TARGET_SO_REUSEADDR: | |
1668 | optname = SO_REUSEADDR; | |
1669 | goto int_case; | |
1670 | case TARGET_SO_TYPE: | |
1671 | optname = SO_TYPE; | |
1672 | goto int_case; | |
1673 | case TARGET_SO_ERROR: | |
1674 | optname = SO_ERROR; | |
1675 | goto int_case; | |
1676 | case TARGET_SO_DONTROUTE: | |
1677 | optname = SO_DONTROUTE; | |
1678 | goto int_case; | |
1679 | case TARGET_SO_BROADCAST: | |
1680 | optname = SO_BROADCAST; | |
1681 | goto int_case; | |
1682 | case TARGET_SO_SNDBUF: | |
1683 | optname = SO_SNDBUF; | |
1684 | goto int_case; | |
1685 | case TARGET_SO_RCVBUF: | |
1686 | optname = SO_RCVBUF; | |
1687 | goto int_case; | |
1688 | case TARGET_SO_KEEPALIVE: | |
1689 | optname = SO_KEEPALIVE; | |
1690 | goto int_case; | |
1691 | case TARGET_SO_OOBINLINE: | |
1692 | optname = SO_OOBINLINE; | |
1693 | goto int_case; | |
1694 | case TARGET_SO_NO_CHECK: | |
1695 | optname = SO_NO_CHECK; | |
1696 | goto int_case; | |
1697 | case TARGET_SO_PRIORITY: | |
1698 | optname = SO_PRIORITY; | |
1699 | goto int_case; | |
1700 | #ifdef SO_BSDCOMPAT | |
1701 | case TARGET_SO_BSDCOMPAT: | |
1702 | optname = SO_BSDCOMPAT; | |
1703 | goto int_case; | |
1704 | #endif | |
1705 | case TARGET_SO_PASSCRED: | |
1706 | optname = SO_PASSCRED; | |
1707 | goto int_case; | |
1708 | case TARGET_SO_TIMESTAMP: | |
1709 | optname = SO_TIMESTAMP; | |
1710 | goto int_case; | |
1711 | case TARGET_SO_RCVLOWAT: | |
1712 | optname = SO_RCVLOWAT; | |
1713 | goto int_case; | |
aec1ca41 PB |
1714 | case TARGET_SO_ACCEPTCONN: |
1715 | optname = SO_ACCEPTCONN; | |
1716 | goto int_case; | |
8853f86e | 1717 | default: |
2efbe911 FB |
1718 | goto int_case; |
1719 | } | |
1720 | break; | |
1721 | case SOL_TCP: | |
1722 | /* TCP options all take an 'int' value. */ | |
1723 | int_case: | |
2f619698 FB |
1724 | if (get_user_u32(len, optlen)) |
1725 | return -TARGET_EFAULT; | |
2efbe911 | 1726 | if (len < 0) |
0da46a6e | 1727 | return -TARGET_EINVAL; |
73160d95 | 1728 | lv = sizeof(lv); |
2efbe911 FB |
1729 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
1730 | if (ret < 0) | |
1731 | return ret; | |
8289d112 PB |
1732 | if (optname == SO_TYPE) { |
1733 | val = host_to_target_sock_type(val); | |
1734 | } | |
2efbe911 FB |
1735 | if (len > lv) |
1736 | len = lv; | |
2f619698 FB |
1737 | if (len == 4) { |
1738 | if (put_user_u32(val, optval_addr)) | |
1739 | return -TARGET_EFAULT; | |
1740 | } else { | |
1741 | if (put_user_u8(val, optval_addr)) | |
1742 | return -TARGET_EFAULT; | |
f3b974cd | 1743 | } |
2f619698 FB |
1744 | if (put_user_u32(len, optlen)) |
1745 | return -TARGET_EFAULT; | |
2efbe911 FB |
1746 | break; |
1747 | case SOL_IP: | |
1748 | switch(optname) { | |
1749 | case IP_TOS: | |
1750 | case IP_TTL: | |
1751 | case IP_HDRINCL: | |
1752 | case IP_ROUTER_ALERT: | |
1753 | case IP_RECVOPTS: | |
1754 | case IP_RETOPTS: | |
1755 | case IP_PKTINFO: | |
1756 | case IP_MTU_DISCOVER: | |
1757 | case IP_RECVERR: | |
1758 | case IP_RECVTOS: | |
1759 | #ifdef IP_FREEBIND | |
1760 | case IP_FREEBIND: | |
1761 | #endif | |
1762 | case IP_MULTICAST_TTL: | |
1763 | case IP_MULTICAST_LOOP: | |
2f619698 FB |
1764 | if (get_user_u32(len, optlen)) |
1765 | return -TARGET_EFAULT; | |
8853f86e | 1766 | if (len < 0) |
0da46a6e | 1767 | return -TARGET_EINVAL; |
73160d95 | 1768 | lv = sizeof(lv); |
8853f86e FB |
1769 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
1770 | if (ret < 0) | |
1771 | return ret; | |
2efbe911 | 1772 | if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { |
2efbe911 | 1773 | len = 1; |
2f619698 FB |
1774 | if (put_user_u32(len, optlen) |
1775 | || put_user_u8(val, optval_addr)) | |
1776 | return -TARGET_EFAULT; | |
2efbe911 | 1777 | } else { |
2efbe911 FB |
1778 | if (len > sizeof(int)) |
1779 | len = sizeof(int); | |
2f619698 FB |
1780 | if (put_user_u32(len, optlen) |
1781 | || put_user_u32(val, optval_addr)) | |
1782 | return -TARGET_EFAULT; | |
2efbe911 | 1783 | } |
8853f86e | 1784 | break; |
2efbe911 | 1785 | default: |
c02f499e TS |
1786 | ret = -TARGET_ENOPROTOOPT; |
1787 | break; | |
8853f86e FB |
1788 | } |
1789 | break; | |
1790 | default: | |
1791 | unimplemented: | |
1792 | gemu_log("getsockopt level=%d optname=%d not yet supported\n", | |
1793 | level, optname); | |
c02f499e | 1794 | ret = -TARGET_EOPNOTSUPP; |
8853f86e FB |
1795 | break; |
1796 | } | |
1797 | return ret; | |
7854b056 FB |
1798 | } |
1799 | ||
f287b2c2 RH |
1800 | static struct iovec *lock_iovec(int type, abi_ulong target_addr, |
1801 | int count, int copy) | |
53a5960a PB |
1802 | { |
1803 | struct target_iovec *target_vec; | |
f287b2c2 RH |
1804 | struct iovec *vec; |
1805 | abi_ulong total_len, max_len; | |
d732dcb4 | 1806 | int i; |
501bb4b0 | 1807 | int err = 0; |
29560a6c | 1808 | bool bad_address = false; |
53a5960a | 1809 | |
f287b2c2 RH |
1810 | if (count == 0) { |
1811 | errno = 0; | |
1812 | return NULL; | |
1813 | } | |
dfae8e00 | 1814 | if (count < 0 || count > IOV_MAX) { |
f287b2c2 RH |
1815 | errno = EINVAL; |
1816 | return NULL; | |
1817 | } | |
1818 | ||
1819 | vec = calloc(count, sizeof(struct iovec)); | |
1820 | if (vec == NULL) { | |
1821 | errno = ENOMEM; | |
1822 | return NULL; | |
1823 | } | |
1824 | ||
1825 | target_vec = lock_user(VERIFY_READ, target_addr, | |
1826 | count * sizeof(struct target_iovec), 1); | |
1827 | if (target_vec == NULL) { | |
501bb4b0 | 1828 | err = EFAULT; |
f287b2c2 RH |
1829 | goto fail2; |
1830 | } | |
1831 | ||
1832 | /* ??? If host page size > target page size, this will result in a | |
1833 | value larger than what we can actually support. */ | |
1834 | max_len = 0x7fffffff & TARGET_PAGE_MASK; | |
1835 | total_len = 0; | |
1836 | ||
1837 | for (i = 0; i < count; i++) { | |
1838 | abi_ulong base = tswapal(target_vec[i].iov_base); | |
1839 | abi_long len = tswapal(target_vec[i].iov_len); | |
1840 | ||
1841 | if (len < 0) { | |
501bb4b0 | 1842 | err = EINVAL; |
f287b2c2 RH |
1843 | goto fail; |
1844 | } else if (len == 0) { | |
1845 | /* Zero length pointer is ignored. */ | |
1846 | vec[i].iov_base = 0; | |
41df8411 | 1847 | } else { |
f287b2c2 | 1848 | vec[i].iov_base = lock_user(type, base, len, copy); |
29560a6c TM |
1849 | /* If the first buffer pointer is bad, this is a fault. But |
1850 | * subsequent bad buffers will result in a partial write; this | |
1851 | * is realized by filling the vector with null pointers and | |
1852 | * zero lengths. */ | |
f287b2c2 | 1853 | if (!vec[i].iov_base) { |
29560a6c TM |
1854 | if (i == 0) { |
1855 | err = EFAULT; | |
1856 | goto fail; | |
1857 | } else { | |
1858 | bad_address = true; | |
1859 | } | |
1860 | } | |
1861 | if (bad_address) { | |
1862 | len = 0; | |
f287b2c2 RH |
1863 | } |
1864 | if (len > max_len - total_len) { | |
1865 | len = max_len - total_len; | |
1866 | } | |
41df8411 | 1867 | } |
f287b2c2 RH |
1868 | vec[i].iov_len = len; |
1869 | total_len += len; | |
579a97f7 | 1870 | } |
f287b2c2 RH |
1871 | |
1872 | unlock_user(target_vec, target_addr, 0); | |
1873 | return vec; | |
1874 | ||
1875 | fail: | |
f287b2c2 | 1876 | unlock_user(target_vec, target_addr, 0); |
501bb4b0 PM |
1877 | fail2: |
1878 | free(vec); | |
1879 | errno = err; | |
f287b2c2 | 1880 | return NULL; |
53a5960a PB |
1881 | } |
1882 | ||
f287b2c2 RH |
1883 | static void unlock_iovec(struct iovec *vec, abi_ulong target_addr, |
1884 | int count, int copy) | |
53a5960a PB |
1885 | { |
1886 | struct target_iovec *target_vec; | |
53a5960a PB |
1887 | int i; |
1888 | ||
f287b2c2 RH |
1889 | target_vec = lock_user(VERIFY_READ, target_addr, |
1890 | count * sizeof(struct target_iovec), 1); | |
1891 | if (target_vec) { | |
1892 | for (i = 0; i < count; i++) { | |
1893 | abi_ulong base = tswapal(target_vec[i].iov_base); | |
1894 | abi_long len = tswapal(target_vec[i].iov_base); | |
1895 | if (len < 0) { | |
1896 | break; | |
1897 | } | |
d732dcb4 AZ |
1898 | unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0); |
1899 | } | |
f287b2c2 | 1900 | unlock_user(target_vec, target_addr, 0); |
53a5960a | 1901 | } |
579a97f7 | 1902 | |
f287b2c2 | 1903 | free(vec); |
53a5960a PB |
1904 | } |
1905 | ||
53d09b76 | 1906 | static inline int target_to_host_sock_type(int *type) |
3532fa74 | 1907 | { |
f651e6ae PJ |
1908 | int host_type = 0; |
1909 | int target_type = *type; | |
1910 | ||
1911 | switch (target_type & TARGET_SOCK_TYPE_MASK) { | |
3532fa74 | 1912 | case TARGET_SOCK_DGRAM: |
f651e6ae | 1913 | host_type = SOCK_DGRAM; |
3532fa74 FB |
1914 | break; |
1915 | case TARGET_SOCK_STREAM: | |
f651e6ae | 1916 | host_type = SOCK_STREAM; |
3532fa74 | 1917 | break; |
f651e6ae PJ |
1918 | default: |
1919 | host_type = target_type & TARGET_SOCK_TYPE_MASK; | |
3532fa74 FB |
1920 | break; |
1921 | } | |
f651e6ae | 1922 | if (target_type & TARGET_SOCK_CLOEXEC) { |
53d09b76 | 1923 | #if defined(SOCK_CLOEXEC) |
f651e6ae | 1924 | host_type |= SOCK_CLOEXEC; |
53d09b76 EI |
1925 | #else |
1926 | return -TARGET_EINVAL; | |
1927 | #endif | |
f651e6ae PJ |
1928 | } |
1929 | if (target_type & TARGET_SOCK_NONBLOCK) { | |
53d09b76 | 1930 | #if defined(SOCK_NONBLOCK) |
f651e6ae | 1931 | host_type |= SOCK_NONBLOCK; |
53d09b76 EI |
1932 | #elif !defined(O_NONBLOCK) |
1933 | return -TARGET_EINVAL; | |
1934 | #endif | |
f651e6ae PJ |
1935 | } |
1936 | *type = host_type; | |
53d09b76 EI |
1937 | return 0; |
1938 | } | |
1939 | ||
1940 | /* Try to emulate socket type flags after socket creation. */ | |
1941 | static int sock_flags_fixup(int fd, int target_type) | |
1942 | { | |
1943 | #if !defined(SOCK_NONBLOCK) && defined(O_NONBLOCK) | |
1944 | if (target_type & TARGET_SOCK_NONBLOCK) { | |
1945 | int flags = fcntl(fd, F_GETFL); | |
1946 | if (fcntl(fd, F_SETFL, O_NONBLOCK | flags) == -1) { | |
1947 | close(fd); | |
1948 | return -TARGET_EINVAL; | |
1949 | } | |
1950 | } | |
1951 | #endif | |
1952 | return fd; | |
f651e6ae PJ |
1953 | } |
1954 | ||
1955 | /* do_socket() Must return target values and target errnos. */ | |
1956 | static abi_long do_socket(int domain, int type, int protocol) | |
1957 | { | |
53d09b76 EI |
1958 | int target_type = type; |
1959 | int ret; | |
1960 | ||
1961 | ret = target_to_host_sock_type(&type); | |
1962 | if (ret) { | |
1963 | return ret; | |
1964 | } | |
f651e6ae | 1965 | |
12bc92ab | 1966 | if (domain == PF_NETLINK) |
480eda2e | 1967 | return -TARGET_EAFNOSUPPORT; |
53d09b76 EI |
1968 | ret = get_errno(socket(domain, type, protocol)); |
1969 | if (ret >= 0) { | |
1970 | ret = sock_flags_fixup(ret, target_type); | |
1971 | } | |
1972 | return ret; | |
3532fa74 FB |
1973 | } |
1974 | ||
0da46a6e | 1975 | /* do_bind() Must return target values and target errnos. */ |
992f48a0 BS |
1976 | static abi_long do_bind(int sockfd, abi_ulong target_addr, |
1977 | socklen_t addrlen) | |
3532fa74 | 1978 | { |
8f7aeaf6 | 1979 | void *addr; |
917507b0 | 1980 | abi_long ret; |
8f7aeaf6 | 1981 | |
38724253 | 1982 | if ((int)addrlen < 0) { |
8f7aeaf6 | 1983 | return -TARGET_EINVAL; |
38724253 | 1984 | } |
8f7aeaf6 | 1985 | |
607175e0 | 1986 | addr = alloca(addrlen+1); |
3b46e624 | 1987 | |
917507b0 AP |
1988 | ret = target_to_host_sockaddr(addr, target_addr, addrlen); |
1989 | if (ret) | |
1990 | return ret; | |
1991 | ||
3532fa74 FB |
1992 | return get_errno(bind(sockfd, addr, addrlen)); |
1993 | } | |
1994 | ||
0da46a6e | 1995 | /* do_connect() Must return target values and target errnos. */ |
992f48a0 BS |
1996 | static abi_long do_connect(int sockfd, abi_ulong target_addr, |
1997 | socklen_t addrlen) | |
3532fa74 | 1998 | { |
8f7aeaf6 | 1999 | void *addr; |
917507b0 | 2000 | abi_long ret; |
8f7aeaf6 | 2001 | |
38724253 | 2002 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2003 | return -TARGET_EINVAL; |
38724253 | 2004 | } |
8f7aeaf6 | 2005 | |
2dd08dfd | 2006 | addr = alloca(addrlen+1); |
3b46e624 | 2007 | |
917507b0 AP |
2008 | ret = target_to_host_sockaddr(addr, target_addr, addrlen); |
2009 | if (ret) | |
2010 | return ret; | |
2011 | ||
3532fa74 FB |
2012 | return get_errno(connect(sockfd, addr, addrlen)); |
2013 | } | |
2014 | ||
f19e00d7 AG |
2015 | /* do_sendrecvmsg_locked() Must return target values and target errnos. */ |
2016 | static abi_long do_sendrecvmsg_locked(int fd, struct target_msghdr *msgp, | |
2017 | int flags, int send) | |
3532fa74 | 2018 | { |
6de645c7 | 2019 | abi_long ret, len; |
3532fa74 FB |
2020 | struct msghdr msg; |
2021 | int count; | |
2022 | struct iovec *vec; | |
992f48a0 | 2023 | abi_ulong target_vec; |
3532fa74 | 2024 | |
3532fa74 FB |
2025 | if (msgp->msg_name) { |
2026 | msg.msg_namelen = tswap32(msgp->msg_namelen); | |
2dd08dfd | 2027 | msg.msg_name = alloca(msg.msg_namelen+1); |
cbb21eed | 2028 | ret = target_to_host_sockaddr(msg.msg_name, tswapal(msgp->msg_name), |
3532fa74 | 2029 | msg.msg_namelen); |
917507b0 | 2030 | if (ret) { |
f287b2c2 | 2031 | goto out2; |
917507b0 | 2032 | } |
3532fa74 FB |
2033 | } else { |
2034 | msg.msg_name = NULL; | |
2035 | msg.msg_namelen = 0; | |
2036 | } | |
cbb21eed | 2037 | msg.msg_controllen = 2 * tswapal(msgp->msg_controllen); |
3532fa74 FB |
2038 | msg.msg_control = alloca(msg.msg_controllen); |
2039 | msg.msg_flags = tswap32(msgp->msg_flags); | |
3b46e624 | 2040 | |
cbb21eed | 2041 | count = tswapal(msgp->msg_iovlen); |
cbb21eed | 2042 | target_vec = tswapal(msgp->msg_iov); |
f287b2c2 RH |
2043 | vec = lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, |
2044 | target_vec, count, send); | |
2045 | if (vec == NULL) { | |
2046 | ret = -host_to_target_errno(errno); | |
2047 | goto out2; | |
2048 | } | |
3532fa74 FB |
2049 | msg.msg_iovlen = count; |
2050 | msg.msg_iov = vec; | |
3b46e624 | 2051 | |
3532fa74 | 2052 | if (send) { |
5a4a898d FB |
2053 | ret = target_to_host_cmsg(&msg, msgp); |
2054 | if (ret == 0) | |
2055 | ret = get_errno(sendmsg(fd, &msg, flags)); | |
3532fa74 FB |
2056 | } else { |
2057 | ret = get_errno(recvmsg(fd, &msg, flags)); | |
6de645c7 AZ |
2058 | if (!is_error(ret)) { |
2059 | len = ret; | |
5a4a898d | 2060 | ret = host_to_target_cmsg(msgp, &msg); |
ca619067 JH |
2061 | if (!is_error(ret)) { |
2062 | msgp->msg_namelen = tswap32(msg.msg_namelen); | |
2063 | if (msg.msg_name != NULL) { | |
2064 | ret = host_to_target_sockaddr(tswapal(msgp->msg_name), | |
2065 | msg.msg_name, msg.msg_namelen); | |
2066 | if (ret) { | |
2067 | goto out; | |
2068 | } | |
2069 | } | |
2070 | ||
6de645c7 | 2071 | ret = len; |
ca619067 | 2072 | } |
6de645c7 | 2073 | } |
3532fa74 | 2074 | } |
ca619067 JH |
2075 | |
2076 | out: | |
3532fa74 | 2077 | unlock_iovec(vec, target_vec, count, !send); |
f287b2c2 | 2078 | out2: |
f19e00d7 AG |
2079 | return ret; |
2080 | } | |
2081 | ||
2082 | static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg, | |
2083 | int flags, int send) | |
2084 | { | |
2085 | abi_long ret; | |
2086 | struct target_msghdr *msgp; | |
2087 | ||
2088 | if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE, | |
2089 | msgp, | |
2090 | target_msg, | |
2091 | send ? 1 : 0)) { | |
2092 | return -TARGET_EFAULT; | |
2093 | } | |
2094 | ret = do_sendrecvmsg_locked(fd, msgp, flags, send); | |
579a97f7 | 2095 | unlock_user_struct(msgp, target_msg, send ? 0 : 1); |
3532fa74 FB |
2096 | return ret; |
2097 | } | |
2098 | ||
f19e00d7 AG |
2099 | #ifdef TARGET_NR_sendmmsg |
2100 | /* We don't rely on the C library to have sendmmsg/recvmmsg support, | |
2101 | * so it might not have this *mmsg-specific flag either. | |
2102 | */ | |
2103 | #ifndef MSG_WAITFORONE | |
2104 | #define MSG_WAITFORONE 0x10000 | |
2105 | #endif | |
2106 | ||
2107 | static abi_long do_sendrecvmmsg(int fd, abi_ulong target_msgvec, | |
2108 | unsigned int vlen, unsigned int flags, | |
2109 | int send) | |
2110 | { | |
2111 | struct target_mmsghdr *mmsgp; | |
2112 | abi_long ret = 0; | |
2113 | int i; | |
2114 | ||
2115 | if (vlen > UIO_MAXIOV) { | |
2116 | vlen = UIO_MAXIOV; | |
2117 | } | |
2118 | ||
2119 | mmsgp = lock_user(VERIFY_WRITE, target_msgvec, sizeof(*mmsgp) * vlen, 1); | |
2120 | if (!mmsgp) { | |
2121 | return -TARGET_EFAULT; | |
2122 | } | |
2123 | ||
2124 | for (i = 0; i < vlen; i++) { | |
2125 | ret = do_sendrecvmsg_locked(fd, &mmsgp[i].msg_hdr, flags, send); | |
2126 | if (is_error(ret)) { | |
2127 | break; | |
2128 | } | |
2129 | mmsgp[i].msg_len = tswap32(ret); | |
2130 | /* MSG_WAITFORONE turns on MSG_DONTWAIT after one packet */ | |
2131 | if (flags & MSG_WAITFORONE) { | |
2132 | flags |= MSG_DONTWAIT; | |
2133 | } | |
2134 | } | |
2135 | ||
2136 | unlock_user(mmsgp, target_msgvec, sizeof(*mmsgp) * i); | |
2137 | ||
2138 | /* Return number of datagrams sent if we sent any at all; | |
2139 | * otherwise return the error. | |
2140 | */ | |
2141 | if (i) { | |
2142 | return i; | |
2143 | } | |
2144 | return ret; | |
2145 | } | |
2146 | #endif | |
2147 | ||
a94b4987 PM |
2148 | /* If we don't have a system accept4() then just call accept. |
2149 | * The callsites to do_accept4() will ensure that they don't | |
2150 | * pass a non-zero flags argument in this config. | |
2151 | */ | |
2152 | #ifndef CONFIG_ACCEPT4 | |
2153 | static inline int accept4(int sockfd, struct sockaddr *addr, | |
2154 | socklen_t *addrlen, int flags) | |
2155 | { | |
2156 | assert(flags == 0); | |
2157 | return accept(sockfd, addr, addrlen); | |
2158 | } | |
2159 | #endif | |
2160 | ||
2161 | /* do_accept4() Must return target values and target errnos. */ | |
2162 | static abi_long do_accept4(int fd, abi_ulong target_addr, | |
2163 | abi_ulong target_addrlen_addr, int flags) | |
1be9e1dc | 2164 | { |
2f619698 FB |
2165 | socklen_t addrlen; |
2166 | void *addr; | |
992f48a0 | 2167 | abi_long ret; |
d25295d4 PJ |
2168 | int host_flags; |
2169 | ||
2170 | host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl); | |
1be9e1dc | 2171 | |
a94b4987 | 2172 | if (target_addr == 0) { |
d25295d4 | 2173 | return get_errno(accept4(fd, NULL, NULL, host_flags)); |
a94b4987 | 2174 | } |
917507b0 AP |
2175 | |
2176 | /* linux returns EINVAL if addrlen pointer is invalid */ | |
2f619698 | 2177 | if (get_user_u32(addrlen, target_addrlen_addr)) |
917507b0 | 2178 | return -TARGET_EINVAL; |
2f619698 | 2179 | |
38724253 | 2180 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2181 | return -TARGET_EINVAL; |
38724253 | 2182 | } |
8f7aeaf6 | 2183 | |
917507b0 AP |
2184 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
2185 | return -TARGET_EINVAL; | |
2186 | ||
2f619698 FB |
2187 | addr = alloca(addrlen); |
2188 | ||
d25295d4 | 2189 | ret = get_errno(accept4(fd, addr, &addrlen, host_flags)); |
1be9e1dc PB |
2190 | if (!is_error(ret)) { |
2191 | host_to_target_sockaddr(target_addr, addr, addrlen); | |
2f619698 FB |
2192 | if (put_user_u32(addrlen, target_addrlen_addr)) |
2193 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
2194 | } |
2195 | return ret; | |
2196 | } | |
2197 | ||
0da46a6e | 2198 | /* do_getpeername() Must return target values and target errnos. */ |
992f48a0 | 2199 | static abi_long do_getpeername(int fd, abi_ulong target_addr, |
2f619698 | 2200 | abi_ulong target_addrlen_addr) |
1be9e1dc | 2201 | { |
2f619698 FB |
2202 | socklen_t addrlen; |
2203 | void *addr; | |
992f48a0 | 2204 | abi_long ret; |
1be9e1dc | 2205 | |
2f619698 FB |
2206 | if (get_user_u32(addrlen, target_addrlen_addr)) |
2207 | return -TARGET_EFAULT; | |
2208 | ||
38724253 | 2209 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2210 | return -TARGET_EINVAL; |
38724253 | 2211 | } |
8f7aeaf6 | 2212 | |
917507b0 AP |
2213 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
2214 | return -TARGET_EFAULT; | |
2215 | ||
2f619698 FB |
2216 | addr = alloca(addrlen); |
2217 | ||
1be9e1dc PB |
2218 | ret = get_errno(getpeername(fd, addr, &addrlen)); |
2219 | if (!is_error(ret)) { | |
2220 | host_to_target_sockaddr(target_addr, addr, addrlen); | |
2f619698 FB |
2221 | if (put_user_u32(addrlen, target_addrlen_addr)) |
2222 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
2223 | } |
2224 | return ret; | |
2225 | } | |
2226 | ||
0da46a6e | 2227 | /* do_getsockname() Must return target values and target errnos. */ |
992f48a0 | 2228 | static abi_long do_getsockname(int fd, abi_ulong target_addr, |
2f619698 | 2229 | abi_ulong target_addrlen_addr) |
1be9e1dc | 2230 | { |
2f619698 FB |
2231 | socklen_t addrlen; |
2232 | void *addr; | |
992f48a0 | 2233 | abi_long ret; |
1be9e1dc | 2234 | |
2f619698 FB |
2235 | if (get_user_u32(addrlen, target_addrlen_addr)) |
2236 | return -TARGET_EFAULT; | |
2237 | ||
38724253 | 2238 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2239 | return -TARGET_EINVAL; |
38724253 | 2240 | } |
8f7aeaf6 | 2241 | |
917507b0 AP |
2242 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
2243 | return -TARGET_EFAULT; | |
2244 | ||
2f619698 FB |
2245 | addr = alloca(addrlen); |
2246 | ||
1be9e1dc PB |
2247 | ret = get_errno(getsockname(fd, addr, &addrlen)); |
2248 | if (!is_error(ret)) { | |
2249 | host_to_target_sockaddr(target_addr, addr, addrlen); | |
2f619698 FB |
2250 | if (put_user_u32(addrlen, target_addrlen_addr)) |
2251 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
2252 | } |
2253 | return ret; | |
2254 | } | |
2255 | ||
0da46a6e | 2256 | /* do_socketpair() Must return target values and target errnos. */ |
992f48a0 | 2257 | static abi_long do_socketpair(int domain, int type, int protocol, |
2f619698 | 2258 | abi_ulong target_tab_addr) |
1be9e1dc PB |
2259 | { |
2260 | int tab[2]; | |
992f48a0 | 2261 | abi_long ret; |
1be9e1dc | 2262 | |
f651e6ae PJ |
2263 | target_to_host_sock_type(&type); |
2264 | ||
1be9e1dc PB |
2265 | ret = get_errno(socketpair(domain, type, protocol, tab)); |
2266 | if (!is_error(ret)) { | |
2f619698 FB |
2267 | if (put_user_s32(tab[0], target_tab_addr) |
2268 | || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0]))) | |
2269 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
2270 | } |
2271 | return ret; | |
2272 | } | |
2273 | ||
0da46a6e | 2274 | /* do_sendto() Must return target values and target errnos. */ |
992f48a0 BS |
2275 | static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags, |
2276 | abi_ulong target_addr, socklen_t addrlen) | |
1be9e1dc PB |
2277 | { |
2278 | void *addr; | |
2279 | void *host_msg; | |
992f48a0 | 2280 | abi_long ret; |
1be9e1dc | 2281 | |
38724253 | 2282 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2283 | return -TARGET_EINVAL; |
38724253 | 2284 | } |
8f7aeaf6 | 2285 | |
579a97f7 FB |
2286 | host_msg = lock_user(VERIFY_READ, msg, len, 1); |
2287 | if (!host_msg) | |
2288 | return -TARGET_EFAULT; | |
1be9e1dc | 2289 | if (target_addr) { |
2dd08dfd | 2290 | addr = alloca(addrlen+1); |
917507b0 AP |
2291 | ret = target_to_host_sockaddr(addr, target_addr, addrlen); |
2292 | if (ret) { | |
2293 | unlock_user(host_msg, msg, 0); | |
2294 | return ret; | |
2295 | } | |
1be9e1dc PB |
2296 | ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen)); |
2297 | } else { | |
2298 | ret = get_errno(send(fd, host_msg, len, flags)); | |
2299 | } | |
2300 | unlock_user(host_msg, msg, 0); | |
2301 | return ret; | |
2302 | } | |
2303 | ||
0da46a6e | 2304 | /* do_recvfrom() Must return target values and target errnos. */ |
992f48a0 BS |
2305 | static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags, |
2306 | abi_ulong target_addr, | |
2307 | abi_ulong target_addrlen) | |
1be9e1dc PB |
2308 | { |
2309 | socklen_t addrlen; | |
2310 | void *addr; | |
2311 | void *host_msg; | |
992f48a0 | 2312 | abi_long ret; |
1be9e1dc | 2313 | |
579a97f7 FB |
2314 | host_msg = lock_user(VERIFY_WRITE, msg, len, 0); |
2315 | if (!host_msg) | |
2316 | return -TARGET_EFAULT; | |
1be9e1dc | 2317 | if (target_addr) { |
2f619698 FB |
2318 | if (get_user_u32(addrlen, target_addrlen)) { |
2319 | ret = -TARGET_EFAULT; | |
2320 | goto fail; | |
2321 | } | |
38724253 | 2322 | if ((int)addrlen < 0) { |
8f7aeaf6 AJ |
2323 | ret = -TARGET_EINVAL; |
2324 | goto fail; | |
2325 | } | |
1be9e1dc PB |
2326 | addr = alloca(addrlen); |
2327 | ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen)); | |
2328 | } else { | |
2329 | addr = NULL; /* To keep compiler quiet. */ | |
00aa0040 | 2330 | ret = get_errno(qemu_recv(fd, host_msg, len, flags)); |
1be9e1dc PB |
2331 | } |
2332 | if (!is_error(ret)) { | |
2333 | if (target_addr) { | |
2334 | host_to_target_sockaddr(target_addr, addr, addrlen); | |
2f619698 FB |
2335 | if (put_user_u32(addrlen, target_addrlen)) { |
2336 | ret = -TARGET_EFAULT; | |
2337 | goto fail; | |
2338 | } | |
1be9e1dc PB |
2339 | } |
2340 | unlock_user(host_msg, msg, len); | |
2341 | } else { | |
2f619698 | 2342 | fail: |
1be9e1dc PB |
2343 | unlock_user(host_msg, msg, 0); |
2344 | } | |
2345 | return ret; | |
2346 | } | |
2347 | ||
32407103 | 2348 | #ifdef TARGET_NR_socketcall |
0da46a6e | 2349 | /* do_socketcall() Must return target values and target errnos. */ |
992f48a0 | 2350 | static abi_long do_socketcall(int num, abi_ulong vptr) |
31e31b8a | 2351 | { |
62dc90c6 MT |
2352 | static const unsigned ac[] = { /* number of arguments per call */ |
2353 | [SOCKOP_socket] = 3, /* domain, type, protocol */ | |
2354 | [SOCKOP_bind] = 3, /* sockfd, addr, addrlen */ | |
2355 | [SOCKOP_connect] = 3, /* sockfd, addr, addrlen */ | |
2356 | [SOCKOP_listen] = 2, /* sockfd, backlog */ | |
2357 | [SOCKOP_accept] = 3, /* sockfd, addr, addrlen */ | |
2358 | [SOCKOP_accept4] = 4, /* sockfd, addr, addrlen, flags */ | |
2359 | [SOCKOP_getsockname] = 3, /* sockfd, addr, addrlen */ | |
2360 | [SOCKOP_getpeername] = 3, /* sockfd, addr, addrlen */ | |
2361 | [SOCKOP_socketpair] = 4, /* domain, type, protocol, tab */ | |
2362 | [SOCKOP_send] = 4, /* sockfd, msg, len, flags */ | |
2363 | [SOCKOP_recv] = 4, /* sockfd, msg, len, flags */ | |
2364 | [SOCKOP_sendto] = 6, /* sockfd, msg, len, flags, addr, addrlen */ | |
2365 | [SOCKOP_recvfrom] = 6, /* sockfd, msg, len, flags, addr, addrlen */ | |
2366 | [SOCKOP_shutdown] = 2, /* sockfd, how */ | |
2367 | [SOCKOP_sendmsg] = 3, /* sockfd, msg, flags */ | |
2368 | [SOCKOP_recvmsg] = 3, /* sockfd, msg, flags */ | |
2369 | [SOCKOP_setsockopt] = 5, /* sockfd, level, optname, optval, optlen */ | |
2370 | [SOCKOP_getsockopt] = 5, /* sockfd, level, optname, optval, optlen */ | |
2371 | }; | |
2372 | abi_long a[6]; /* max 6 args */ | |
2373 | ||
2374 | /* first, collect the arguments in a[] according to ac[] */ | |
2375 | if (num >= 0 && num < ARRAY_SIZE(ac)) { | |
2376 | unsigned i; | |
2377 | assert(ARRAY_SIZE(a) >= ac[num]); /* ensure we have space for args */ | |
2378 | for (i = 0; i < ac[num]; ++i) { | |
2379 | if (get_user_ual(a[i], vptr + i * sizeof(abi_long)) != 0) { | |
b9d36eb2 AH |
2380 | return -TARGET_EFAULT; |
2381 | } | |
31e31b8a | 2382 | } |
62dc90c6 | 2383 | } |
7854b056 | 2384 | |
62dc90c6 MT |
2385 | /* now when we have the args, actually handle the call */ |
2386 | switch (num) { | |
2387 | case SOCKOP_socket: /* domain, type, protocol */ | |
2388 | return do_socket(a[0], a[1], a[2]); | |
2389 | case SOCKOP_bind: /* sockfd, addr, addrlen */ | |
2390 | return do_bind(a[0], a[1], a[2]); | |
2391 | case SOCKOP_connect: /* sockfd, addr, addrlen */ | |
2392 | return do_connect(a[0], a[1], a[2]); | |
2393 | case SOCKOP_listen: /* sockfd, backlog */ | |
2394 | return get_errno(listen(a[0], a[1])); | |
2395 | case SOCKOP_accept: /* sockfd, addr, addrlen */ | |
2396 | return do_accept4(a[0], a[1], a[2], 0); | |
2397 | case SOCKOP_accept4: /* sockfd, addr, addrlen, flags */ | |
2398 | return do_accept4(a[0], a[1], a[2], a[3]); | |
2399 | case SOCKOP_getsockname: /* sockfd, addr, addrlen */ | |
2400 | return do_getsockname(a[0], a[1], a[2]); | |
2401 | case SOCKOP_getpeername: /* sockfd, addr, addrlen */ | |
2402 | return do_getpeername(a[0], a[1], a[2]); | |
2403 | case SOCKOP_socketpair: /* domain, type, protocol, tab */ | |
2404 | return do_socketpair(a[0], a[1], a[2], a[3]); | |
2405 | case SOCKOP_send: /* sockfd, msg, len, flags */ | |
2406 | return do_sendto(a[0], a[1], a[2], a[3], 0, 0); | |
2407 | case SOCKOP_recv: /* sockfd, msg, len, flags */ | |
2408 | return do_recvfrom(a[0], a[1], a[2], a[3], 0, 0); | |
2409 | case SOCKOP_sendto: /* sockfd, msg, len, flags, addr, addrlen */ | |
2410 | return do_sendto(a[0], a[1], a[2], a[3], a[4], a[5]); | |
2411 | case SOCKOP_recvfrom: /* sockfd, msg, len, flags, addr, addrlen */ | |
2412 | return do_recvfrom(a[0], a[1], a[2], a[3], a[4], a[5]); | |
2413 | case SOCKOP_shutdown: /* sockfd, how */ | |
2414 | return get_errno(shutdown(a[0], a[1])); | |
2415 | case SOCKOP_sendmsg: /* sockfd, msg, flags */ | |
2416 | return do_sendrecvmsg(a[0], a[1], a[2], 1); | |
2417 | case SOCKOP_recvmsg: /* sockfd, msg, flags */ | |
2418 | return do_sendrecvmsg(a[0], a[1], a[2], 0); | |
2419 | case SOCKOP_setsockopt: /* sockfd, level, optname, optval, optlen */ | |
2420 | return do_setsockopt(a[0], a[1], a[2], a[3], a[4]); | |
2421 | case SOCKOP_getsockopt: /* sockfd, level, optname, optval, optlen */ | |
2422 | return do_getsockopt(a[0], a[1], a[2], a[3], a[4]); | |
31e31b8a FB |
2423 | default: |
2424 | gemu_log("Unsupported socketcall: %d\n", num); | |
62dc90c6 | 2425 | return -TARGET_ENOSYS; |
31e31b8a | 2426 | } |
31e31b8a | 2427 | } |
32407103 | 2428 | #endif |
31e31b8a | 2429 | |
8853f86e FB |
2430 | #define N_SHM_REGIONS 32 |
2431 | ||
2432 | static struct shm_region { | |
5a4a898d FB |
2433 | abi_ulong start; |
2434 | abi_ulong size; | |
8853f86e FB |
2435 | } shm_regions[N_SHM_REGIONS]; |
2436 | ||
3eb6b044 TS |
2437 | struct target_semid_ds |
2438 | { | |
2439 | struct target_ipc_perm sem_perm; | |
992f48a0 | 2440 | abi_ulong sem_otime; |
03527344 | 2441 | #if !defined(TARGET_PPC64) |
992f48a0 | 2442 | abi_ulong __unused1; |
03527344 | 2443 | #endif |
992f48a0 | 2444 | abi_ulong sem_ctime; |
03527344 | 2445 | #if !defined(TARGET_PPC64) |
992f48a0 | 2446 | abi_ulong __unused2; |
03527344 | 2447 | #endif |
992f48a0 BS |
2448 | abi_ulong sem_nsems; |
2449 | abi_ulong __unused3; | |
2450 | abi_ulong __unused4; | |
3eb6b044 TS |
2451 | }; |
2452 | ||
579a97f7 FB |
2453 | static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip, |
2454 | abi_ulong target_addr) | |
3eb6b044 TS |
2455 | { |
2456 | struct target_ipc_perm *target_ip; | |
2457 | struct target_semid_ds *target_sd; | |
2458 | ||
579a97f7 FB |
2459 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
2460 | return -TARGET_EFAULT; | |
e8bbe36c | 2461 | target_ip = &(target_sd->sem_perm); |
55a2b163 PJ |
2462 | host_ip->__key = tswap32(target_ip->__key); |
2463 | host_ip->uid = tswap32(target_ip->uid); | |
2464 | host_ip->gid = tswap32(target_ip->gid); | |
2465 | host_ip->cuid = tswap32(target_ip->cuid); | |
2466 | host_ip->cgid = tswap32(target_ip->cgid); | |
2467 | #if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC) | |
2468 | host_ip->mode = tswap32(target_ip->mode); | |
2469 | #else | |
cbb21eed | 2470 | host_ip->mode = tswap16(target_ip->mode); |
55a2b163 PJ |
2471 | #endif |
2472 | #if defined(TARGET_PPC) | |
2473 | host_ip->__seq = tswap32(target_ip->__seq); | |
2474 | #else | |
2475 | host_ip->__seq = tswap16(target_ip->__seq); | |
2476 | #endif | |
3eb6b044 | 2477 | unlock_user_struct(target_sd, target_addr, 0); |
579a97f7 | 2478 | return 0; |
3eb6b044 TS |
2479 | } |
2480 | ||
579a97f7 FB |
2481 | static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr, |
2482 | struct ipc_perm *host_ip) | |
3eb6b044 TS |
2483 | { |
2484 | struct target_ipc_perm *target_ip; | |
2485 | struct target_semid_ds *target_sd; | |
2486 | ||
579a97f7 FB |
2487 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
2488 | return -TARGET_EFAULT; | |
3eb6b044 | 2489 | target_ip = &(target_sd->sem_perm); |
55a2b163 PJ |
2490 | target_ip->__key = tswap32(host_ip->__key); |
2491 | target_ip->uid = tswap32(host_ip->uid); | |
2492 | target_ip->gid = tswap32(host_ip->gid); | |
2493 | target_ip->cuid = tswap32(host_ip->cuid); | |
2494 | target_ip->cgid = tswap32(host_ip->cgid); | |
2495 | #if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC) | |
2496 | target_ip->mode = tswap32(host_ip->mode); | |
2497 | #else | |
cbb21eed | 2498 | target_ip->mode = tswap16(host_ip->mode); |
55a2b163 PJ |
2499 | #endif |
2500 | #if defined(TARGET_PPC) | |
2501 | target_ip->__seq = tswap32(host_ip->__seq); | |
2502 | #else | |
2503 | target_ip->__seq = tswap16(host_ip->__seq); | |
2504 | #endif | |
3eb6b044 | 2505 | unlock_user_struct(target_sd, target_addr, 1); |
579a97f7 | 2506 | return 0; |
3eb6b044 TS |
2507 | } |
2508 | ||
579a97f7 FB |
2509 | static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd, |
2510 | abi_ulong target_addr) | |
3eb6b044 TS |
2511 | { |
2512 | struct target_semid_ds *target_sd; | |
2513 | ||
579a97f7 FB |
2514 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
2515 | return -TARGET_EFAULT; | |
e5289087 AJ |
2516 | if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr)) |
2517 | return -TARGET_EFAULT; | |
cbb21eed MB |
2518 | host_sd->sem_nsems = tswapal(target_sd->sem_nsems); |
2519 | host_sd->sem_otime = tswapal(target_sd->sem_otime); | |
2520 | host_sd->sem_ctime = tswapal(target_sd->sem_ctime); | |
3eb6b044 | 2521 | unlock_user_struct(target_sd, target_addr, 0); |
579a97f7 | 2522 | return 0; |
3eb6b044 TS |
2523 | } |
2524 | ||
579a97f7 FB |
2525 | static inline abi_long host_to_target_semid_ds(abi_ulong target_addr, |
2526 | struct semid_ds *host_sd) | |
3eb6b044 TS |
2527 | { |
2528 | struct target_semid_ds *target_sd; | |
2529 | ||
579a97f7 FB |
2530 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
2531 | return -TARGET_EFAULT; | |
e5289087 | 2532 | if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm))) |
3a93113a | 2533 | return -TARGET_EFAULT; |
cbb21eed MB |
2534 | target_sd->sem_nsems = tswapal(host_sd->sem_nsems); |
2535 | target_sd->sem_otime = tswapal(host_sd->sem_otime); | |
2536 | target_sd->sem_ctime = tswapal(host_sd->sem_ctime); | |
3eb6b044 | 2537 | unlock_user_struct(target_sd, target_addr, 1); |
579a97f7 | 2538 | return 0; |
3eb6b044 TS |
2539 | } |
2540 | ||
e5289087 AJ |
2541 | struct target_seminfo { |
2542 | int semmap; | |
2543 | int semmni; | |
2544 | int semmns; | |
2545 | int semmnu; | |
2546 | int semmsl; | |
2547 | int semopm; | |
2548 | int semume; | |
2549 | int semusz; | |
2550 | int semvmx; | |
2551 | int semaem; | |
2552 | }; | |
2553 | ||
2554 | static inline abi_long host_to_target_seminfo(abi_ulong target_addr, | |
2555 | struct seminfo *host_seminfo) | |
2556 | { | |
2557 | struct target_seminfo *target_seminfo; | |
2558 | if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0)) | |
2559 | return -TARGET_EFAULT; | |
2560 | __put_user(host_seminfo->semmap, &target_seminfo->semmap); | |
2561 | __put_user(host_seminfo->semmni, &target_seminfo->semmni); | |
2562 | __put_user(host_seminfo->semmns, &target_seminfo->semmns); | |
2563 | __put_user(host_seminfo->semmnu, &target_seminfo->semmnu); | |
2564 | __put_user(host_seminfo->semmsl, &target_seminfo->semmsl); | |
2565 | __put_user(host_seminfo->semopm, &target_seminfo->semopm); | |
2566 | __put_user(host_seminfo->semume, &target_seminfo->semume); | |
2567 | __put_user(host_seminfo->semusz, &target_seminfo->semusz); | |
2568 | __put_user(host_seminfo->semvmx, &target_seminfo->semvmx); | |
2569 | __put_user(host_seminfo->semaem, &target_seminfo->semaem); | |
2570 | unlock_user_struct(target_seminfo, target_addr, 1); | |
2571 | return 0; | |
2572 | } | |
2573 | ||
fa294816 TS |
2574 | union semun { |
2575 | int val; | |
3eb6b044 | 2576 | struct semid_ds *buf; |
fa294816 | 2577 | unsigned short *array; |
e5289087 | 2578 | struct seminfo *__buf; |
fa294816 TS |
2579 | }; |
2580 | ||
3eb6b044 TS |
2581 | union target_semun { |
2582 | int val; | |
e5289087 AJ |
2583 | abi_ulong buf; |
2584 | abi_ulong array; | |
2585 | abi_ulong __buf; | |
3eb6b044 TS |
2586 | }; |
2587 | ||
e5289087 AJ |
2588 | static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array, |
2589 | abi_ulong target_addr) | |
3eb6b044 | 2590 | { |
e5289087 AJ |
2591 | int nsems; |
2592 | unsigned short *array; | |
2593 | union semun semun; | |
2594 | struct semid_ds semid_ds; | |
2595 | int i, ret; | |
3eb6b044 | 2596 | |
e5289087 AJ |
2597 | semun.buf = &semid_ds; |
2598 | ||
2599 | ret = semctl(semid, 0, IPC_STAT, semun); | |
2600 | if (ret == -1) | |
2601 | return get_errno(ret); | |
2602 | ||
2603 | nsems = semid_ds.sem_nsems; | |
2604 | ||
2605 | *host_array = malloc(nsems*sizeof(unsigned short)); | |
69d4c703 PM |
2606 | if (!*host_array) { |
2607 | return -TARGET_ENOMEM; | |
2608 | } | |
e5289087 AJ |
2609 | array = lock_user(VERIFY_READ, target_addr, |
2610 | nsems*sizeof(unsigned short), 1); | |
69d4c703 PM |
2611 | if (!array) { |
2612 | free(*host_array); | |
e5289087 | 2613 | return -TARGET_EFAULT; |
69d4c703 | 2614 | } |
e5289087 AJ |
2615 | |
2616 | for(i=0; i<nsems; i++) { | |
2617 | __get_user((*host_array)[i], &array[i]); | |
3eb6b044 | 2618 | } |
e5289087 AJ |
2619 | unlock_user(array, target_addr, 0); |
2620 | ||
579a97f7 | 2621 | return 0; |
3eb6b044 TS |
2622 | } |
2623 | ||
e5289087 AJ |
2624 | static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr, |
2625 | unsigned short **host_array) | |
3eb6b044 | 2626 | { |
e5289087 AJ |
2627 | int nsems; |
2628 | unsigned short *array; | |
2629 | union semun semun; | |
2630 | struct semid_ds semid_ds; | |
2631 | int i, ret; | |
3eb6b044 | 2632 | |
e5289087 AJ |
2633 | semun.buf = &semid_ds; |
2634 | ||
2635 | ret = semctl(semid, 0, IPC_STAT, semun); | |
2636 | if (ret == -1) | |
2637 | return get_errno(ret); | |
2638 | ||
2639 | nsems = semid_ds.sem_nsems; | |
2640 | ||
2641 | array = lock_user(VERIFY_WRITE, target_addr, | |
2642 | nsems*sizeof(unsigned short), 0); | |
2643 | if (!array) | |
2644 | return -TARGET_EFAULT; | |
2645 | ||
2646 | for(i=0; i<nsems; i++) { | |
2647 | __put_user((*host_array)[i], &array[i]); | |
3eb6b044 | 2648 | } |
e5289087 AJ |
2649 | free(*host_array); |
2650 | unlock_user(array, target_addr, 1); | |
2651 | ||
579a97f7 | 2652 | return 0; |
3eb6b044 TS |
2653 | } |
2654 | ||
e5289087 AJ |
2655 | static inline abi_long do_semctl(int semid, int semnum, int cmd, |
2656 | union target_semun target_su) | |
3eb6b044 TS |
2657 | { |
2658 | union semun arg; | |
2659 | struct semid_ds dsarg; | |
7b8118e8 | 2660 | unsigned short *array = NULL; |
e5289087 AJ |
2661 | struct seminfo seminfo; |
2662 | abi_long ret = -TARGET_EINVAL; | |
2663 | abi_long err; | |
2664 | cmd &= 0xff; | |
3eb6b044 TS |
2665 | |
2666 | switch( cmd ) { | |
2667 | case GETVAL: | |
3eb6b044 | 2668 | case SETVAL: |
5464baec TM |
2669 | /* In 64 bit cross-endian situations, we will erroneously pick up |
2670 | * the wrong half of the union for the "val" element. To rectify | |
2671 | * this, the entire 8-byte structure is byteswapped, followed by | |
2672 | * a swap of the 4 byte val field. In other cases, the data is | |
2673 | * already in proper host byte order. */ | |
2674 | if (sizeof(target_su.val) != (sizeof(target_su.buf))) { | |
2675 | target_su.buf = tswapal(target_su.buf); | |
2676 | arg.val = tswap32(target_su.val); | |
2677 | } else { | |
2678 | arg.val = target_su.val; | |
2679 | } | |
e5289087 | 2680 | ret = get_errno(semctl(semid, semnum, cmd, arg)); |
3eb6b044 TS |
2681 | break; |
2682 | case GETALL: | |
3eb6b044 | 2683 | case SETALL: |
e5289087 AJ |
2684 | err = target_to_host_semarray(semid, &array, target_su.array); |
2685 | if (err) | |
2686 | return err; | |
2687 | arg.array = array; | |
2688 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
2689 | err = host_to_target_semarray(semid, target_su.array, &array); | |
2690 | if (err) | |
2691 | return err; | |
3eb6b044 TS |
2692 | break; |
2693 | case IPC_STAT: | |
3eb6b044 | 2694 | case IPC_SET: |
e5289087 AJ |
2695 | case SEM_STAT: |
2696 | err = target_to_host_semid_ds(&dsarg, target_su.buf); | |
2697 | if (err) | |
2698 | return err; | |
2699 | arg.buf = &dsarg; | |
2700 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
2701 | err = host_to_target_semid_ds(target_su.buf, &dsarg); | |
2702 | if (err) | |
2703 | return err; | |
2704 | break; | |
2705 | case IPC_INFO: | |
2706 | case SEM_INFO: | |
2707 | arg.__buf = &seminfo; | |
2708 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
2709 | err = host_to_target_seminfo(target_su.__buf, &seminfo); | |
2710 | if (err) | |
2711 | return err; | |
2712 | break; | |
2713 | case IPC_RMID: | |
2714 | case GETPID: | |
2715 | case GETNCNT: | |
2716 | case GETZCNT: | |
2717 | ret = get_errno(semctl(semid, semnum, cmd, NULL)); | |
3eb6b044 | 2718 | break; |
3eb6b044 TS |
2719 | } |
2720 | ||
2721 | return ret; | |
2722 | } | |
2723 | ||
e5289087 AJ |
2724 | struct target_sembuf { |
2725 | unsigned short sem_num; | |
2726 | short sem_op; | |
2727 | short sem_flg; | |
2728 | }; | |
2729 | ||
2730 | static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf, | |
2731 | abi_ulong target_addr, | |
2732 | unsigned nsops) | |
2733 | { | |
2734 | struct target_sembuf *target_sembuf; | |
2735 | int i; | |
2736 | ||
2737 | target_sembuf = lock_user(VERIFY_READ, target_addr, | |
2738 | nsops*sizeof(struct target_sembuf), 1); | |
2739 | if (!target_sembuf) | |
2740 | return -TARGET_EFAULT; | |
2741 | ||
2742 | for(i=0; i<nsops; i++) { | |
2743 | __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num); | |
2744 | __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op); | |
2745 | __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg); | |
2746 | } | |
2747 | ||
2748 | unlock_user(target_sembuf, target_addr, 0); | |
2749 | ||
2750 | return 0; | |
2751 | } | |
2752 | ||
2753 | static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops) | |
2754 | { | |
2755 | struct sembuf sops[nsops]; | |
2756 | ||
2757 | if (target_to_host_sembuf(sops, ptr, nsops)) | |
2758 | return -TARGET_EFAULT; | |
2759 | ||
c7128c9f | 2760 | return get_errno(semop(semid, sops, nsops)); |
e5289087 AJ |
2761 | } |
2762 | ||
1bc012f6 TS |
2763 | struct target_msqid_ds |
2764 | { | |
1c54ff97 AJ |
2765 | struct target_ipc_perm msg_perm; |
2766 | abi_ulong msg_stime; | |
2767 | #if TARGET_ABI_BITS == 32 | |
2768 | abi_ulong __unused1; | |
2769 | #endif | |
2770 | abi_ulong msg_rtime; | |
2771 | #if TARGET_ABI_BITS == 32 | |
2772 | abi_ulong __unused2; | |
2773 | #endif | |
2774 | abi_ulong msg_ctime; | |
2775 | #if TARGET_ABI_BITS == 32 | |
2776 | abi_ulong __unused3; | |
2777 | #endif | |
2778 | abi_ulong __msg_cbytes; | |
2779 | abi_ulong msg_qnum; | |
2780 | abi_ulong msg_qbytes; | |
2781 | abi_ulong msg_lspid; | |
2782 | abi_ulong msg_lrpid; | |
2783 | abi_ulong __unused4; | |
2784 | abi_ulong __unused5; | |
1bc012f6 TS |
2785 | }; |
2786 | ||
579a97f7 FB |
2787 | static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md, |
2788 | abi_ulong target_addr) | |
1bc012f6 TS |
2789 | { |
2790 | struct target_msqid_ds *target_md; | |
2791 | ||
579a97f7 FB |
2792 | if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1)) |
2793 | return -TARGET_EFAULT; | |
1c54ff97 AJ |
2794 | if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr)) |
2795 | return -TARGET_EFAULT; | |
cbb21eed MB |
2796 | host_md->msg_stime = tswapal(target_md->msg_stime); |
2797 | host_md->msg_rtime = tswapal(target_md->msg_rtime); | |
2798 | host_md->msg_ctime = tswapal(target_md->msg_ctime); | |
2799 | host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes); | |
2800 | host_md->msg_qnum = tswapal(target_md->msg_qnum); | |
2801 | host_md->msg_qbytes = tswapal(target_md->msg_qbytes); | |
2802 | host_md->msg_lspid = tswapal(target_md->msg_lspid); | |
2803 | host_md->msg_lrpid = tswapal(target_md->msg_lrpid); | |
1bc012f6 | 2804 | unlock_user_struct(target_md, target_addr, 0); |
579a97f7 | 2805 | return 0; |
1bc012f6 TS |
2806 | } |
2807 | ||
579a97f7 FB |
2808 | static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr, |
2809 | struct msqid_ds *host_md) | |
1bc012f6 TS |
2810 | { |
2811 | struct target_msqid_ds *target_md; | |
2812 | ||
579a97f7 FB |
2813 | if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0)) |
2814 | return -TARGET_EFAULT; | |
1c54ff97 AJ |
2815 | if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm))) |
2816 | return -TARGET_EFAULT; | |
cbb21eed MB |
2817 | target_md->msg_stime = tswapal(host_md->msg_stime); |
2818 | target_md->msg_rtime = tswapal(host_md->msg_rtime); | |
2819 | target_md->msg_ctime = tswapal(host_md->msg_ctime); | |
2820 | target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes); | |
2821 | target_md->msg_qnum = tswapal(host_md->msg_qnum); | |
2822 | target_md->msg_qbytes = tswapal(host_md->msg_qbytes); | |
2823 | target_md->msg_lspid = tswapal(host_md->msg_lspid); | |
2824 | target_md->msg_lrpid = tswapal(host_md->msg_lrpid); | |
1bc012f6 | 2825 | unlock_user_struct(target_md, target_addr, 1); |
579a97f7 | 2826 | return 0; |
1bc012f6 TS |
2827 | } |
2828 | ||
1c54ff97 AJ |
2829 | struct target_msginfo { |
2830 | int msgpool; | |
2831 | int msgmap; | |
2832 | int msgmax; | |
2833 | int msgmnb; | |
2834 | int msgmni; | |
2835 | int msgssz; | |
2836 | int msgtql; | |
2837 | unsigned short int msgseg; | |
2838 | }; | |
2839 | ||
2840 | static inline abi_long host_to_target_msginfo(abi_ulong target_addr, | |
2841 | struct msginfo *host_msginfo) | |
2842 | { | |
2843 | struct target_msginfo *target_msginfo; | |
2844 | if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0)) | |
2845 | return -TARGET_EFAULT; | |
2846 | __put_user(host_msginfo->msgpool, &target_msginfo->msgpool); | |
2847 | __put_user(host_msginfo->msgmap, &target_msginfo->msgmap); | |
2848 | __put_user(host_msginfo->msgmax, &target_msginfo->msgmax); | |
2849 | __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb); | |
2850 | __put_user(host_msginfo->msgmni, &target_msginfo->msgmni); | |
2851 | __put_user(host_msginfo->msgssz, &target_msginfo->msgssz); | |
2852 | __put_user(host_msginfo->msgtql, &target_msginfo->msgtql); | |
2853 | __put_user(host_msginfo->msgseg, &target_msginfo->msgseg); | |
2854 | unlock_user_struct(target_msginfo, target_addr, 1); | |
00b229ac | 2855 | return 0; |
1c54ff97 AJ |
2856 | } |
2857 | ||
2858 | static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr) | |
1bc012f6 TS |
2859 | { |
2860 | struct msqid_ds dsarg; | |
1c54ff97 AJ |
2861 | struct msginfo msginfo; |
2862 | abi_long ret = -TARGET_EINVAL; | |
2863 | ||
2864 | cmd &= 0xff; | |
2865 | ||
2866 | switch (cmd) { | |
1bc012f6 TS |
2867 | case IPC_STAT: |
2868 | case IPC_SET: | |
1c54ff97 AJ |
2869 | case MSG_STAT: |
2870 | if (target_to_host_msqid_ds(&dsarg,ptr)) | |
2871 | return -TARGET_EFAULT; | |
2872 | ret = get_errno(msgctl(msgid, cmd, &dsarg)); | |
2873 | if (host_to_target_msqid_ds(ptr,&dsarg)) | |
2874 | return -TARGET_EFAULT; | |
2875 | break; | |
2876 | case IPC_RMID: | |
2877 | ret = get_errno(msgctl(msgid, cmd, NULL)); | |
2878 | break; | |
2879 | case IPC_INFO: | |
2880 | case MSG_INFO: | |
2881 | ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo)); | |
2882 | if (host_to_target_msginfo(ptr, &msginfo)) | |
2883 | return -TARGET_EFAULT; | |
2884 | break; | |
1bc012f6 | 2885 | } |
1c54ff97 | 2886 | |
1bc012f6 TS |
2887 | return ret; |
2888 | } | |
2889 | ||
2890 | struct target_msgbuf { | |
1c54ff97 AJ |
2891 | abi_long mtype; |
2892 | char mtext[1]; | |
1bc012f6 TS |
2893 | }; |
2894 | ||
992f48a0 | 2895 | static inline abi_long do_msgsnd(int msqid, abi_long msgp, |
edcc5f9d | 2896 | ssize_t msgsz, int msgflg) |
1bc012f6 TS |
2897 | { |
2898 | struct target_msgbuf *target_mb; | |
2899 | struct msgbuf *host_mb; | |
992f48a0 | 2900 | abi_long ret = 0; |
1bc012f6 | 2901 | |
edcc5f9d TM |
2902 | if (msgsz < 0) { |
2903 | return -TARGET_EINVAL; | |
2904 | } | |
2905 | ||
579a97f7 FB |
2906 | if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0)) |
2907 | return -TARGET_EFAULT; | |
1bc012f6 | 2908 | host_mb = malloc(msgsz+sizeof(long)); |
29e03fcb HZ |
2909 | if (!host_mb) { |
2910 | unlock_user_struct(target_mb, msgp, 0); | |
2911 | return -TARGET_ENOMEM; | |
2912 | } | |
cbb21eed | 2913 | host_mb->mtype = (abi_long) tswapal(target_mb->mtype); |
1c54ff97 | 2914 | memcpy(host_mb->mtext, target_mb->mtext, msgsz); |
1bc012f6 TS |
2915 | ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg)); |
2916 | free(host_mb); | |
2917 | unlock_user_struct(target_mb, msgp, 0); | |
2918 | ||
2919 | return ret; | |
2920 | } | |
2921 | ||
992f48a0 | 2922 | static inline abi_long do_msgrcv(int msqid, abi_long msgp, |
1c54ff97 | 2923 | unsigned int msgsz, abi_long msgtyp, |
992f48a0 | 2924 | int msgflg) |
1bc012f6 TS |
2925 | { |
2926 | struct target_msgbuf *target_mb; | |
579a97f7 | 2927 | char *target_mtext; |
1bc012f6 | 2928 | struct msgbuf *host_mb; |
992f48a0 | 2929 | abi_long ret = 0; |
1bc012f6 | 2930 | |
579a97f7 FB |
2931 | if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0)) |
2932 | return -TARGET_EFAULT; | |
1c54ff97 | 2933 | |
0d07fe47 | 2934 | host_mb = g_malloc(msgsz+sizeof(long)); |
79dd77de | 2935 | ret = get_errno(msgrcv(msqid, host_mb, msgsz, msgtyp, msgflg)); |
1c54ff97 | 2936 | |
579a97f7 FB |
2937 | if (ret > 0) { |
2938 | abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong); | |
2939 | target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0); | |
2940 | if (!target_mtext) { | |
2941 | ret = -TARGET_EFAULT; | |
2942 | goto end; | |
2943 | } | |
1c54ff97 | 2944 | memcpy(target_mb->mtext, host_mb->mtext, ret); |
579a97f7 FB |
2945 | unlock_user(target_mtext, target_mtext_addr, ret); |
2946 | } | |
1c54ff97 | 2947 | |
cbb21eed | 2948 | target_mb->mtype = tswapal(host_mb->mtype); |
1bc012f6 | 2949 | |
579a97f7 FB |
2950 | end: |
2951 | if (target_mb) | |
2952 | unlock_user_struct(target_mb, msgp, 1); | |
0d07fe47 | 2953 | g_free(host_mb); |
1bc012f6 TS |
2954 | return ret; |
2955 | } | |
2956 | ||
88a8c984 RV |
2957 | static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd, |
2958 | abi_ulong target_addr) | |
2959 | { | |
2960 | struct target_shmid_ds *target_sd; | |
2961 | ||
2962 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) | |
2963 | return -TARGET_EFAULT; | |
2964 | if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr)) | |
2965 | return -TARGET_EFAULT; | |
2966 | __get_user(host_sd->shm_segsz, &target_sd->shm_segsz); | |
2967 | __get_user(host_sd->shm_atime, &target_sd->shm_atime); | |
2968 | __get_user(host_sd->shm_dtime, &target_sd->shm_dtime); | |
2969 | __get_user(host_sd->shm_ctime, &target_sd->shm_ctime); | |
2970 | __get_user(host_sd->shm_cpid, &target_sd->shm_cpid); | |
2971 | __get_user(host_sd->shm_lpid, &target_sd->shm_lpid); | |
2972 | __get_user(host_sd->shm_nattch, &target_sd->shm_nattch); | |
2973 | unlock_user_struct(target_sd, target_addr, 0); | |
2974 | return 0; | |
2975 | } | |
2976 | ||
2977 | static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr, | |
2978 | struct shmid_ds *host_sd) | |
2979 | { | |
2980 | struct target_shmid_ds *target_sd; | |
2981 | ||
2982 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) | |
2983 | return -TARGET_EFAULT; | |
2984 | if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm))) | |
2985 | return -TARGET_EFAULT; | |
2986 | __put_user(host_sd->shm_segsz, &target_sd->shm_segsz); | |
2987 | __put_user(host_sd->shm_atime, &target_sd->shm_atime); | |
2988 | __put_user(host_sd->shm_dtime, &target_sd->shm_dtime); | |
2989 | __put_user(host_sd->shm_ctime, &target_sd->shm_ctime); | |
2990 | __put_user(host_sd->shm_cpid, &target_sd->shm_cpid); | |
2991 | __put_user(host_sd->shm_lpid, &target_sd->shm_lpid); | |
2992 | __put_user(host_sd->shm_nattch, &target_sd->shm_nattch); | |
2993 | unlock_user_struct(target_sd, target_addr, 1); | |
2994 | return 0; | |
2995 | } | |
2996 | ||
2997 | struct target_shminfo { | |
2998 | abi_ulong shmmax; | |
2999 | abi_ulong shmmin; | |
3000 | abi_ulong shmmni; | |
3001 | abi_ulong shmseg; | |
3002 | abi_ulong shmall; | |
3003 | }; | |
3004 | ||
3005 | static inline abi_long host_to_target_shminfo(abi_ulong target_addr, | |
3006 | struct shminfo *host_shminfo) | |
3007 | { | |
3008 | struct target_shminfo *target_shminfo; | |
3009 | if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0)) | |
3010 | return -TARGET_EFAULT; | |
3011 | __put_user(host_shminfo->shmmax, &target_shminfo->shmmax); | |
3012 | __put_user(host_shminfo->shmmin, &target_shminfo->shmmin); | |
3013 | __put_user(host_shminfo->shmmni, &target_shminfo->shmmni); | |
3014 | __put_user(host_shminfo->shmseg, &target_shminfo->shmseg); | |
3015 | __put_user(host_shminfo->shmall, &target_shminfo->shmall); | |
3016 | unlock_user_struct(target_shminfo, target_addr, 1); | |
3017 | return 0; | |
3018 | } | |
3019 | ||
3020 | struct target_shm_info { | |
3021 | int used_ids; | |
3022 | abi_ulong shm_tot; | |
3023 | abi_ulong shm_rss; | |
3024 | abi_ulong shm_swp; | |
3025 | abi_ulong swap_attempts; | |
3026 | abi_ulong swap_successes; | |
3027 | }; | |
3028 | ||
3029 | static inline abi_long host_to_target_shm_info(abi_ulong target_addr, | |
3030 | struct shm_info *host_shm_info) | |
3031 | { | |
3032 | struct target_shm_info *target_shm_info; | |
3033 | if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0)) | |
3034 | return -TARGET_EFAULT; | |
3035 | __put_user(host_shm_info->used_ids, &target_shm_info->used_ids); | |
3036 | __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot); | |
3037 | __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss); | |
3038 | __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp); | |
3039 | __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts); | |
3040 | __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes); | |
3041 | unlock_user_struct(target_shm_info, target_addr, 1); | |
3042 | return 0; | |
3043 | } | |
3044 | ||
3045 | static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf) | |
3046 | { | |
3047 | struct shmid_ds dsarg; | |
3048 | struct shminfo shminfo; | |
3049 | struct shm_info shm_info; | |
3050 | abi_long ret = -TARGET_EINVAL; | |
3051 | ||
3052 | cmd &= 0xff; | |
3053 | ||
3054 | switch(cmd) { | |
3055 | case IPC_STAT: | |
3056 | case IPC_SET: | |
3057 | case SHM_STAT: | |
3058 | if (target_to_host_shmid_ds(&dsarg, buf)) | |
3059 | return -TARGET_EFAULT; | |
3060 | ret = get_errno(shmctl(shmid, cmd, &dsarg)); | |
3061 | if (host_to_target_shmid_ds(buf, &dsarg)) | |
3062 | return -TARGET_EFAULT; | |
3063 | break; | |
3064 | case IPC_INFO: | |
3065 | ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo)); | |
3066 | if (host_to_target_shminfo(buf, &shminfo)) | |
3067 | return -TARGET_EFAULT; | |
3068 | break; | |
3069 | case SHM_INFO: | |
3070 | ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info)); | |
3071 | if (host_to_target_shm_info(buf, &shm_info)) | |
3072 | return -TARGET_EFAULT; | |
3073 | break; | |
3074 | case IPC_RMID: | |
3075 | case SHM_LOCK: | |
3076 | case SHM_UNLOCK: | |
3077 | ret = get_errno(shmctl(shmid, cmd, NULL)); | |
3078 | break; | |
3079 | } | |
3080 | ||
3081 | return ret; | |
3082 | } | |
3083 | ||
3084 | static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg) | |
3085 | { | |
3086 | abi_long raddr; | |
3087 | void *host_raddr; | |
3088 | struct shmid_ds shm_info; | |
3089 | int i,ret; | |
3090 | ||
3091 | /* find out the length of the shared memory segment */ | |
3092 | ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info)); | |
3093 | if (is_error(ret)) { | |
3094 | /* can't get length, bail out */ | |
3095 | return ret; | |
3096 | } | |
3097 | ||
3098 | mmap_lock(); | |
3099 | ||
3100 | if (shmaddr) | |
3101 | host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg); | |
3102 | else { | |
3103 | abi_ulong mmap_start; | |
3104 | ||
3105 | mmap_start = mmap_find_vma(0, shm_info.shm_segsz); | |
3106 | ||
3107 | if (mmap_start == -1) { | |
3108 | errno = ENOMEM; | |
3109 | host_raddr = (void *)-1; | |
3110 | } else | |
3111 | host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP); | |
3112 | } | |
3113 | ||
3114 | if (host_raddr == (void *)-1) { | |
3115 | mmap_unlock(); | |
3116 | return get_errno((long)host_raddr); | |
3117 | } | |
3118 | raddr=h2g((unsigned long)host_raddr); | |
3119 | ||
3120 | page_set_flags(raddr, raddr + shm_info.shm_segsz, | |
3121 | PAGE_VALID | PAGE_READ | | |
3122 | ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE)); | |
3123 | ||
3124 | for (i = 0; i < N_SHM_REGIONS; i++) { | |
3125 | if (shm_regions[i].start == 0) { | |
3126 | shm_regions[i].start = raddr; | |
3127 | shm_regions[i].size = shm_info.shm_segsz; | |
3128 | break; | |
3129 | } | |
3130 | } | |
3131 | ||
3132 | mmap_unlock(); | |
3133 | return raddr; | |
3134 | ||
3135 | } | |
3136 | ||
3137 | static inline abi_long do_shmdt(abi_ulong shmaddr) | |
3138 | { | |
3139 | int i; | |
3140 | ||
3141 | for (i = 0; i < N_SHM_REGIONS; ++i) { | |
3142 | if (shm_regions[i].start == shmaddr) { | |
3143 | shm_regions[i].start = 0; | |
e00ac249 | 3144 | page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0); |
88a8c984 RV |
3145 | break; |
3146 | } | |
3147 | } | |
3148 | ||
3149 | return get_errno(shmdt(g2h(shmaddr))); | |
3150 | } | |
3151 | ||
1c54ff97 | 3152 | #ifdef TARGET_NR_ipc |
53a5960a | 3153 | /* ??? This only works with linear mappings. */ |
0da46a6e | 3154 | /* do_ipc() must return target values and target errnos. */ |
37ed0956 TM |
3155 | static abi_long do_ipc(unsigned int call, abi_long first, |
3156 | abi_long second, abi_long third, | |
992f48a0 | 3157 | abi_long ptr, abi_long fifth) |
8853f86e FB |
3158 | { |
3159 | int version; | |
992f48a0 | 3160 | abi_long ret = 0; |
8853f86e FB |
3161 | |
3162 | version = call >> 16; | |
3163 | call &= 0xffff; | |
3164 | ||
3165 | switch (call) { | |
fa294816 | 3166 | case IPCOP_semop: |
e5289087 | 3167 | ret = do_semop(first, ptr, second); |
fa294816 TS |
3168 | break; |
3169 | ||
3170 | case IPCOP_semget: | |
3171 | ret = get_errno(semget(first, second, third)); | |
3172 | break; | |
3173 | ||
5d2fa8eb TM |
3174 | case IPCOP_semctl: { |
3175 | /* The semun argument to semctl is passed by value, so dereference the | |
3176 | * ptr argument. */ | |
3177 | abi_ulong atptr; | |
37ed0956 | 3178 | get_user_ual(atptr, ptr); |
5d2fa8eb | 3179 | ret = do_semctl(first, second, third, |
37ed0956 | 3180 | (union target_semun) atptr); |
fa294816 | 3181 | break; |
5d2fa8eb | 3182 | } |
d96372ef | 3183 | |
1c54ff97 AJ |
3184 | case IPCOP_msgget: |
3185 | ret = get_errno(msgget(first, second)); | |
3186 | break; | |
d96372ef | 3187 | |
1c54ff97 AJ |
3188 | case IPCOP_msgsnd: |
3189 | ret = do_msgsnd(first, ptr, second, third); | |
3190 | break; | |
d96372ef | 3191 | |
1c54ff97 AJ |
3192 | case IPCOP_msgctl: |
3193 | ret = do_msgctl(first, second, ptr); | |
3194 | break; | |
d96372ef | 3195 | |
1c54ff97 AJ |
3196 | case IPCOP_msgrcv: |
3197 | switch (version) { | |
3198 | case 0: | |
3199 | { | |
3200 | struct target_ipc_kludge { | |
3201 | abi_long msgp; | |
3202 | abi_long msgtyp; | |
3203 | } *tmp; | |
3204 | ||
3205 | if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) { | |
3206 | ret = -TARGET_EFAULT; | |
3207 | break; | |
3208 | } | |
d96372ef | 3209 | |
79dd77de | 3210 | ret = do_msgrcv(first, tswapal(tmp->msgp), second, tswapal(tmp->msgtyp), third); |
d96372ef | 3211 | |
1c54ff97 AJ |
3212 | unlock_user_struct(tmp, ptr, 0); |
3213 | break; | |
3214 | } | |
3215 | default: | |
3216 | ret = do_msgrcv(first, ptr, second, fifth, third); | |
3217 | } | |
3218 | break; | |
d96372ef | 3219 | |
8853f86e | 3220 | case IPCOP_shmat: |
88a8c984 RV |
3221 | switch (version) { |
3222 | default: | |
5a4a898d FB |
3223 | { |
3224 | abi_ulong raddr; | |
88a8c984 RV |
3225 | raddr = do_shmat(first, ptr, second); |
3226 | if (is_error(raddr)) | |
3227 | return get_errno(raddr); | |
2f619698 | 3228 | if (put_user_ual(raddr, third)) |
5a4a898d | 3229 | return -TARGET_EFAULT; |
88a8c984 RV |
3230 | break; |
3231 | } | |
3232 | case 1: | |
3233 | ret = -TARGET_EINVAL; | |
3234 | break; | |
5a4a898d | 3235 | } |
8853f86e FB |
3236 | break; |
3237 | case IPCOP_shmdt: | |
88a8c984 | 3238 | ret = do_shmdt(ptr); |
8853f86e FB |
3239 | break; |
3240 | ||
3241 | case IPCOP_shmget: | |
3242 | /* IPC_* flag values are the same on all linux platforms */ | |
3243 | ret = get_errno(shmget(first, second, third)); | |
3244 | break; | |
3245 | ||
3246 | /* IPC_* and SHM_* command values are the same on all linux platforms */ | |
3247 | case IPCOP_shmctl: | |
a2926784 | 3248 | ret = do_shmctl(first, second, ptr); |
8853f86e FB |
3249 | break; |
3250 | default: | |
32407103 | 3251 | gemu_log("Unsupported ipc call: %d (version %d)\n", call, version); |
0da46a6e | 3252 | ret = -TARGET_ENOSYS; |
8853f86e FB |
3253 | break; |
3254 | } | |
3255 | return ret; | |
3256 | } | |
32407103 | 3257 | #endif |
8853f86e | 3258 | |
31e31b8a | 3259 | /* kernel structure types definitions */ |
31e31b8a | 3260 | |
001faf32 | 3261 | #define STRUCT(name, ...) STRUCT_ ## name, |
31e31b8a FB |
3262 | #define STRUCT_SPECIAL(name) STRUCT_ ## name, |
3263 | enum { | |
3264 | #include "syscall_types.h" | |
3265 | }; | |
3266 | #undef STRUCT | |
3267 | #undef STRUCT_SPECIAL | |
3268 | ||
001faf32 | 3269 | #define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL }; |
31e31b8a FB |
3270 | #define STRUCT_SPECIAL(name) |
3271 | #include "syscall_types.h" | |
3272 | #undef STRUCT | |
3273 | #undef STRUCT_SPECIAL | |
3274 | ||
d2ef05bb PM |
3275 | typedef struct IOCTLEntry IOCTLEntry; |
3276 | ||
3277 | typedef abi_long do_ioctl_fn(const IOCTLEntry *ie, uint8_t *buf_temp, | |
3278 | int fd, abi_long cmd, abi_long arg); | |
3279 | ||
3280 | struct IOCTLEntry { | |
2ab83ea7 FB |
3281 | unsigned int target_cmd; |
3282 | unsigned int host_cmd; | |
31e31b8a FB |
3283 | const char *name; |
3284 | int access; | |
d2ef05bb | 3285 | do_ioctl_fn *do_ioctl; |
1a9353d2 | 3286 | const argtype arg_type[5]; |
d2ef05bb | 3287 | }; |
31e31b8a FB |
3288 | |
3289 | #define IOC_R 0x0001 | |
3290 | #define IOC_W 0x0002 | |
3291 | #define IOC_RW (IOC_R | IOC_W) | |
3292 | ||
3293 | #define MAX_STRUCT_SIZE 4096 | |
3294 | ||
dace20dc | 3295 | #ifdef CONFIG_FIEMAP |
285da2b9 PM |
3296 | /* So fiemap access checks don't overflow on 32 bit systems. |
3297 | * This is very slightly smaller than the limit imposed by | |
3298 | * the underlying kernel. | |
3299 | */ | |
3300 | #define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \ | |
3301 | / sizeof(struct fiemap_extent)) | |
3302 | ||
3303 | static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp, | |
3304 | int fd, abi_long cmd, abi_long arg) | |
3305 | { | |
3306 | /* The parameter for this ioctl is a struct fiemap followed | |
3307 | * by an array of struct fiemap_extent whose size is set | |
3308 | * in fiemap->fm_extent_count. The array is filled in by the | |
3309 | * ioctl. | |
3310 | */ | |
3311 | int target_size_in, target_size_out; | |
3312 | struct fiemap *fm; | |
3313 | const argtype *arg_type = ie->arg_type; | |
3314 | const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) }; | |
3315 | void *argptr, *p; | |
3316 | abi_long ret; | |
3317 | int i, extent_size = thunk_type_size(extent_arg_type, 0); | |
3318 | uint32_t outbufsz; | |
3319 | int free_fm = 0; | |
3320 | ||
3321 | assert(arg_type[0] == TYPE_PTR); | |
3322 | assert(ie->access == IOC_RW); | |
3323 | arg_type++; | |
3324 | target_size_in = thunk_type_size(arg_type, 0); | |
3325 | argptr = lock_user(VERIFY_READ, arg, target_size_in, 1); | |
3326 | if (!argptr) { | |
3327 | return -TARGET_EFAULT; | |
3328 | } | |
3329 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
3330 | unlock_user(argptr, arg, 0); | |
3331 | fm = (struct fiemap *)buf_temp; | |
3332 | if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) { | |
3333 | return -TARGET_EINVAL; | |
3334 | } | |
3335 | ||
3336 | outbufsz = sizeof (*fm) + | |
3337 | (sizeof(struct fiemap_extent) * fm->fm_extent_count); | |
3338 | ||
3339 | if (outbufsz > MAX_STRUCT_SIZE) { | |
3340 | /* We can't fit all the extents into the fixed size buffer. | |
3341 | * Allocate one that is large enough and use it instead. | |
3342 | */ | |
3343 | fm = malloc(outbufsz); | |
3344 | if (!fm) { | |
3345 | return -TARGET_ENOMEM; | |
3346 | } | |
3347 | memcpy(fm, buf_temp, sizeof(struct fiemap)); | |
3348 | free_fm = 1; | |
3349 | } | |
3350 | ret = get_errno(ioctl(fd, ie->host_cmd, fm)); | |
3351 | if (!is_error(ret)) { | |
3352 | target_size_out = target_size_in; | |
3353 | /* An extent_count of 0 means we were only counting the extents | |
3354 | * so there are no structs to copy | |
3355 | */ | |
3356 | if (fm->fm_extent_count != 0) { | |
3357 | target_size_out += fm->fm_mapped_extents * extent_size; | |
3358 | } | |
3359 | argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0); | |
3360 | if (!argptr) { | |
3361 | ret = -TARGET_EFAULT; | |
3362 | } else { | |
3363 | /* Convert the struct fiemap */ | |
3364 | thunk_convert(argptr, fm, arg_type, THUNK_TARGET); | |
3365 | if (fm->fm_extent_count != 0) { | |
3366 | p = argptr + target_size_in; | |
3367 | /* ...and then all the struct fiemap_extents */ | |
3368 | for (i = 0; i < fm->fm_mapped_extents; i++) { | |
3369 | thunk_convert(p, &fm->fm_extents[i], extent_arg_type, | |
3370 | THUNK_TARGET); | |
3371 | p += extent_size; | |
3372 | } | |
3373 | } | |
3374 | unlock_user(argptr, arg, target_size_out); | |
3375 | } | |
3376 | } | |
3377 | if (free_fm) { | |
3378 | free(fm); | |
3379 | } | |
3380 | return ret; | |
3381 | } | |
dace20dc | 3382 | #endif |
285da2b9 | 3383 | |
059c2f2c LV |
3384 | static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp, |
3385 | int fd, abi_long cmd, abi_long arg) | |
3386 | { | |
3387 | const argtype *arg_type = ie->arg_type; | |
3388 | int target_size; | |
3389 | void *argptr; | |
3390 | int ret; | |
3391 | struct ifconf *host_ifconf; | |
3392 | uint32_t outbufsz; | |
3393 | const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) }; | |
3394 | int target_ifreq_size; | |
3395 | int nb_ifreq; | |
3396 | int free_buf = 0; | |
3397 | int i; | |
3398 | int target_ifc_len; | |
3399 | abi_long target_ifc_buf; | |
3400 | int host_ifc_len; | |
3401 | char *host_ifc_buf; | |
3402 | ||
3403 | assert(arg_type[0] == TYPE_PTR); | |
3404 | assert(ie->access == IOC_RW); | |
3405 | ||
3406 | arg_type++; | |
3407 | target_size = thunk_type_size(arg_type, 0); | |
3408 | ||
3409 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
3410 | if (!argptr) | |
3411 | return -TARGET_EFAULT; | |
3412 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
3413 | unlock_user(argptr, arg, 0); | |
3414 | ||
3415 | host_ifconf = (struct ifconf *)(unsigned long)buf_temp; | |
3416 | target_ifc_len = host_ifconf->ifc_len; | |
3417 | target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf; | |
3418 | ||
3419 | target_ifreq_size = thunk_type_size(ifreq_arg_type, 0); | |
3420 | nb_ifreq = target_ifc_len / target_ifreq_size; | |
3421 | host_ifc_len = nb_ifreq * sizeof(struct ifreq); | |
3422 | ||
3423 | outbufsz = sizeof(*host_ifconf) + host_ifc_len; | |
3424 | if (outbufsz > MAX_STRUCT_SIZE) { | |
3425 | /* We can't fit all the extents into the fixed size buffer. | |
3426 | * Allocate one that is large enough and use it instead. | |
3427 | */ | |
3428 | host_ifconf = malloc(outbufsz); | |
3429 | if (!host_ifconf) { | |
3430 | return -TARGET_ENOMEM; | |
3431 | } | |
3432 | memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf)); | |
3433 | free_buf = 1; | |
3434 | } | |
3435 | host_ifc_buf = (char*)host_ifconf + sizeof(*host_ifconf); | |
3436 | ||
3437 | host_ifconf->ifc_len = host_ifc_len; | |
3438 | host_ifconf->ifc_buf = host_ifc_buf; | |
3439 | ||
3440 | ret = get_errno(ioctl(fd, ie->host_cmd, host_ifconf)); | |
3441 | if (!is_error(ret)) { | |
3442 | /* convert host ifc_len to target ifc_len */ | |
3443 | ||
3444 | nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq); | |
3445 | target_ifc_len = nb_ifreq * target_ifreq_size; | |
3446 | host_ifconf->ifc_len = target_ifc_len; | |
3447 | ||
3448 | /* restore target ifc_buf */ | |
3449 | ||
3450 | host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf; | |
3451 | ||
3452 | /* copy struct ifconf to target user */ | |
3453 | ||
3454 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
3455 | if (!argptr) | |
3456 | return -TARGET_EFAULT; | |
3457 | thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET); | |
3458 | unlock_user(argptr, arg, target_size); | |
3459 | ||
3460 | /* copy ifreq[] to target user */ | |
3461 | ||
3462 | argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0); | |
3463 | for (i = 0; i < nb_ifreq ; i++) { | |
3464 | thunk_convert(argptr + i * target_ifreq_size, | |
3465 | host_ifc_buf + i * sizeof(struct ifreq), | |
3466 | ifreq_arg_type, THUNK_TARGET); | |
3467 | } | |
3468 | unlock_user(argptr, target_ifc_buf, target_ifc_len); | |
3469 | } | |
3470 | ||
3471 | if (free_buf) { | |
3472 | free(host_ifconf); | |
3473 | } | |
3474 | ||
3475 | return ret; | |
3476 | } | |
3477 | ||
56e904ec AG |
3478 | static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd, |
3479 | abi_long cmd, abi_long arg) | |
3480 | { | |
3481 | void *argptr; | |
3482 | struct dm_ioctl *host_dm; | |
3483 | abi_long guest_data; | |
3484 | uint32_t guest_data_size; | |
3485 | int target_size; | |
3486 | const argtype *arg_type = ie->arg_type; | |
3487 | abi_long ret; | |
3488 | void *big_buf = NULL; | |
3489 | char *host_data; | |
3490 | ||
3491 | arg_type++; | |
3492 | target_size = thunk_type_size(arg_type, 0); | |
3493 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
3494 | if (!argptr) { | |
3495 | ret = -TARGET_EFAULT; | |
3496 | goto out; | |
3497 | } | |
3498 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
3499 | unlock_user(argptr, arg, 0); | |
3500 | ||
3501 | /* buf_temp is too small, so fetch things into a bigger buffer */ | |
3502 | big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2); | |
3503 | memcpy(big_buf, buf_temp, target_size); | |
3504 | buf_temp = big_buf; | |
3505 | host_dm = big_buf; | |
3506 | ||
3507 | guest_data = arg + host_dm->data_start; | |
3508 | if ((guest_data - arg) < 0) { | |
3509 | ret = -EINVAL; | |
3510 | goto out; | |
3511 | } | |
3512 | guest_data_size = host_dm->data_size - host_dm->data_start; | |
3513 | host_data = (char*)host_dm + host_dm->data_start; | |
3514 | ||
3515 | argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1); | |
3516 | switch (ie->host_cmd) { | |
3517 | case DM_REMOVE_ALL: | |
3518 | case DM_LIST_DEVICES: | |
3519 | case DM_DEV_CREATE: | |
3520 | case DM_DEV_REMOVE: | |
3521 | case DM_DEV_SUSPEND: | |
3522 | case DM_DEV_STATUS: | |
3523 | case DM_DEV_WAIT: | |
3524 | case DM_TABLE_STATUS: | |
3525 | case DM_TABLE_CLEAR: | |
3526 | case DM_TABLE_DEPS: | |
3527 | case DM_LIST_VERSIONS: | |
3528 | /* no input data */ | |
3529 | break; | |
3530 | case DM_DEV_RENAME: | |
3531 | case DM_DEV_SET_GEOMETRY: | |
3532 | /* data contains only strings */ | |
3533 | memcpy(host_data, argptr, guest_data_size); | |
3534 | break; | |
3535 | case DM_TARGET_MSG: | |
3536 | memcpy(host_data, argptr, guest_data_size); | |
3537 | *(uint64_t*)host_data = tswap64(*(uint64_t*)argptr); | |
3538 | break; | |
3539 | case DM_TABLE_LOAD: | |
3540 | { | |
3541 | void *gspec = argptr; | |
3542 | void *cur_data = host_data; | |
3543 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) }; | |
3544 | int spec_size = thunk_type_size(arg_type, 0); | |
3545 | int i; | |
3546 | ||
3547 | for (i = 0; i < host_dm->target_count; i++) { | |
3548 | struct dm_target_spec *spec = cur_data; | |
3549 | uint32_t next; | |
3550 | int slen; | |
3551 | ||
3552 | thunk_convert(spec, gspec, arg_type, THUNK_HOST); | |
3553 | slen = strlen((char*)gspec + spec_size) + 1; | |
3554 | next = spec->next; | |
3555 | spec->next = sizeof(*spec) + slen; | |
3556 | strcpy((char*)&spec[1], gspec + spec_size); | |
3557 | gspec += next; | |
3558 | cur_data += spec->next; | |
3559 | } | |
3560 | break; | |
3561 | } | |
3562 | default: | |
3563 | ret = -TARGET_EINVAL; | |
3564 | goto out; | |
3565 | } | |
3566 | unlock_user(argptr, guest_data, 0); | |
3567 | ||
3568 | ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); | |
3569 | if (!is_error(ret)) { | |
3570 | guest_data = arg + host_dm->data_start; | |
3571 | guest_data_size = host_dm->data_size - host_dm->data_start; | |
3572 | argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0); | |
3573 | switch (ie->host_cmd) { | |
3574 | case DM_REMOVE_ALL: | |
3575 | case DM_DEV_CREATE: | |
3576 | case DM_DEV_REMOVE: | |
3577 | case DM_DEV_RENAME: | |
3578 | case DM_DEV_SUSPEND: | |
3579 | case DM_DEV_STATUS: | |
3580 | case DM_TABLE_LOAD: | |
3581 | case DM_TABLE_CLEAR: | |
3582 | case DM_TARGET_MSG: | |
3583 | case DM_DEV_SET_GEOMETRY: | |
3584 | /* no return data */ | |
3585 | break; | |
3586 | case DM_LIST_DEVICES: | |
3587 | { | |
3588 | struct dm_name_list *nl = (void*)host_dm + host_dm->data_start; | |
3589 | uint32_t remaining_data = guest_data_size; | |
3590 | void *cur_data = argptr; | |
3591 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) }; | |
3592 | int nl_size = 12; /* can't use thunk_size due to alignment */ | |
3593 | ||
3594 | while (1) { | |
3595 | uint32_t next = nl->next; | |
3596 | if (next) { | |
3597 | nl->next = nl_size + (strlen(nl->name) + 1); | |
3598 | } | |
3599 | if (remaining_data < nl->next) { | |
3600 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
3601 | break; | |
3602 | } | |
3603 | thunk_convert(cur_data, nl, arg_type, THUNK_TARGET); | |
3604 | strcpy(cur_data + nl_size, nl->name); | |
3605 | cur_data += nl->next; | |
3606 | remaining_data -= nl->next; | |
3607 | if (!next) { | |
3608 | break; | |
3609 | } | |
3610 | nl = (void*)nl + next; | |
3611 | } | |
3612 | break; | |
3613 | } | |
3614 | case DM_DEV_WAIT: | |
3615 | case DM_TABLE_STATUS: | |
3616 | { | |
3617 | struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start; | |
3618 | void *cur_data = argptr; | |
3619 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) }; | |
3620 | int spec_size = thunk_type_size(arg_type, 0); | |
3621 | int i; | |
3622 | ||
3623 | for (i = 0; i < host_dm->target_count; i++) { | |
3624 | uint32_t next = spec->next; | |
3625 | int slen = strlen((char*)&spec[1]) + 1; | |
3626 | spec->next = (cur_data - argptr) + spec_size + slen; | |
3627 | if (guest_data_size < spec->next) { | |
3628 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
3629 | break; | |
3630 | } | |
3631 | thunk_convert(cur_data, spec, arg_type, THUNK_TARGET); | |
3632 | strcpy(cur_data + spec_size, (char*)&spec[1]); | |
3633 | cur_data = argptr + spec->next; | |
3634 | spec = (void*)host_dm + host_dm->data_start + next; | |
3635 | } | |
3636 | break; | |
3637 | } | |
3638 | case DM_TABLE_DEPS: | |
3639 | { | |
3640 | void *hdata = (void*)host_dm + host_dm->data_start; | |
3641 | int count = *(uint32_t*)hdata; | |
3642 | uint64_t *hdev = hdata + 8; | |
3643 | uint64_t *gdev = argptr + 8; | |
3644 | int i; | |
3645 | ||
3646 | *(uint32_t*)argptr = tswap32(count); | |
3647 | for (i = 0; i < count; i++) { | |
3648 | *gdev = tswap64(*hdev); | |
3649 | gdev++; | |
3650 | hdev++; | |
3651 | } | |
3652 | break; | |
3653 | } | |
3654 | case DM_LIST_VERSIONS: | |
3655 | { | |
3656 | struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start; | |
3657 | uint32_t remaining_data = guest_data_size; | |
3658 | void *cur_data = argptr; | |
3659 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) }; | |
3660 | int vers_size = thunk_type_size(arg_type, 0); | |
3661 | ||
3662 | while (1) { | |
3663 | uint32_t next = vers->next; | |
3664 | if (next) { | |
3665 | vers->next = vers_size + (strlen(vers->name) + 1); | |
3666 | } | |
3667 | if (remaining_data < vers->next) { | |
3668 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
3669 | break; | |
3670 | } | |
3671 | thunk_convert(cur_data, vers, arg_type, THUNK_TARGET); | |
3672 | strcpy(cur_data + vers_size, vers->name); | |
3673 | cur_data += vers->next; | |
3674 | remaining_data -= vers->next; | |
3675 | if (!next) { | |
3676 | break; | |
3677 | } | |
3678 | vers = (void*)vers + next; | |
3679 | } | |
3680 | break; | |
3681 | } | |
3682 | default: | |
3683 | ret = -TARGET_EINVAL; | |
3684 | goto out; | |
3685 | } | |
3686 | unlock_user(argptr, guest_data, guest_data_size); | |
3687 | ||
3688 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
3689 | if (!argptr) { | |
3690 | ret = -TARGET_EFAULT; | |
3691 | goto out; | |
3692 | } | |
3693 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); | |
3694 | unlock_user(argptr, arg, target_size); | |
3695 | } | |
3696 | out: | |
ad11ad77 | 3697 | g_free(big_buf); |
56e904ec AG |
3698 | return ret; |
3699 | } | |
3700 | ||
a59b5e35 AG |
3701 | static abi_long do_ioctl_blkpg(const IOCTLEntry *ie, uint8_t *buf_temp, int fd, |
3702 | abi_long cmd, abi_long arg) | |
3703 | { | |
3704 | void *argptr; | |
3705 | int target_size; | |
3706 | const argtype *arg_type = ie->arg_type; | |
3707 | const argtype part_arg_type[] = { MK_STRUCT(STRUCT_blkpg_partition) }; | |
3708 | abi_long ret; | |
3709 | ||
3710 | struct blkpg_ioctl_arg *host_blkpg = (void*)buf_temp; | |
3711 | struct blkpg_partition host_part; | |
3712 | ||
3713 | /* Read and convert blkpg */ | |
3714 | arg_type++; | |
3715 | target_size = thunk_type_size(arg_type, 0); | |
3716 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
3717 | if (!argptr) { | |
3718 | ret = -TARGET_EFAULT; | |
3719 | goto out; | |
3720 | } | |
3721 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
3722 | unlock_user(argptr, arg, 0); | |
3723 | ||
3724 | switch (host_blkpg->op) { | |
3725 | case BLKPG_ADD_PARTITION: | |
3726 | case BLKPG_DEL_PARTITION: | |
3727 | /* payload is struct blkpg_partition */ | |
3728 | break; | |
3729 | default: | |
3730 | /* Unknown opcode */ | |
3731 | ret = -TARGET_EINVAL; | |
3732 | goto out; | |
3733 | } | |
3734 | ||
3735 | /* Read and convert blkpg->data */ | |
3736 | arg = (abi_long)(uintptr_t)host_blkpg->data; | |
3737 | target_size = thunk_type_size(part_arg_type, 0); | |
3738 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
3739 | if (!argptr) { | |
3740 | ret = -TARGET_EFAULT; | |
3741 | goto out; | |
3742 | } | |
3743 | thunk_convert(&host_part, argptr, part_arg_type, THUNK_HOST); | |
3744 | unlock_user(argptr, arg, 0); | |
3745 | ||
3746 | /* Swizzle the data pointer to our local copy and call! */ | |
3747 | host_blkpg->data = &host_part; | |
3748 | ret = get_errno(ioctl(fd, ie->host_cmd, host_blkpg)); | |
3749 | ||
3750 | out: | |
3751 | return ret; | |
3752 | } | |
3753 | ||
7ff7b666 LV |
3754 | static abi_long do_ioctl_rt(const IOCTLEntry *ie, uint8_t *buf_temp, |
3755 | int fd, abi_long cmd, abi_long arg) | |
3756 | { | |
3757 | const argtype *arg_type = ie->arg_type; | |
3758 | const StructEntry *se; | |
3759 | const argtype *field_types; | |
3760 | const int *dst_offsets, *src_offsets; | |
3761 | int target_size; | |
3762 | void *argptr; | |
3763 | abi_ulong *target_rt_dev_ptr; | |
3764 | unsigned long *host_rt_dev_ptr; | |
3765 | abi_long ret; | |
3766 | int i; | |
3767 | ||
3768 | assert(ie->access == IOC_W); | |
3769 | assert(*arg_type == TYPE_PTR); | |
3770 | arg_type++; | |
3771 | assert(*arg_type == TYPE_STRUCT); | |
3772 | target_size = thunk_type_size(arg_type, 0); | |
3773 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
3774 | if (!argptr) { | |
3775 | return -TARGET_EFAULT; | |
3776 | } | |
3777 | arg_type++; | |
3778 | assert(*arg_type == (int)STRUCT_rtentry); | |
3779 | se = struct_entries + *arg_type++; | |
3780 | assert(se->convert[0] == NULL); | |
3781 | /* convert struct here to be able to catch rt_dev string */ | |
3782 | field_types = se->field_types; | |
3783 | dst_offsets = se->field_offsets[THUNK_HOST]; | |
3784 | src_offsets = se->field_offsets[THUNK_TARGET]; | |
3785 | for (i = 0; i < se->nb_fields; i++) { | |
3786 | if (dst_offsets[i] == offsetof(struct rtentry, rt_dev)) { | |
3787 | assert(*field_types == TYPE_PTRVOID); | |
3788 | target_rt_dev_ptr = (abi_ulong *)(argptr + src_offsets[i]); | |
3789 | host_rt_dev_ptr = (unsigned long *)(buf_temp + dst_offsets[i]); | |
3790 | if (*target_rt_dev_ptr != 0) { | |
3791 | *host_rt_dev_ptr = (unsigned long)lock_user_string( | |
3792 | tswapal(*target_rt_dev_ptr)); | |
3793 | if (!*host_rt_dev_ptr) { | |
3794 | unlock_user(argptr, arg, 0); | |
3795 | return -TARGET_EFAULT; | |
3796 | } | |
3797 | } else { | |
3798 | *host_rt_dev_ptr = 0; | |
3799 | } | |
3800 | field_types++; | |
3801 | continue; | |
3802 | } | |
3803 | field_types = thunk_convert(buf_temp + dst_offsets[i], | |
3804 | argptr + src_offsets[i], | |
3805 | field_types, THUNK_HOST); | |
3806 | } | |
3807 | unlock_user(argptr, arg, 0); | |
3808 | ||
3809 | ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); | |
3810 | if (*host_rt_dev_ptr != 0) { | |
3811 | unlock_user((void *)*host_rt_dev_ptr, | |
3812 | *target_rt_dev_ptr, 0); | |
3813 | } | |
3814 | return ret; | |
3815 | } | |
3816 | ||
ca56f5b5 PB |
3817 | static abi_long do_ioctl_kdsigaccept(const IOCTLEntry *ie, uint8_t *buf_temp, |
3818 | int fd, abi_long cmd, abi_long arg) | |
3819 | { | |
3820 | int sig = target_to_host_signal(arg); | |
3821 | return get_errno(ioctl(fd, ie->host_cmd, sig)); | |
3822 | } | |
3823 | ||
9f106a75 | 3824 | static IOCTLEntry ioctl_entries[] = { |
001faf32 | 3825 | #define IOCTL(cmd, access, ...) \ |
d2ef05bb PM |
3826 | { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } }, |
3827 | #define IOCTL_SPECIAL(cmd, access, dofn, ...) \ | |
3828 | { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } }, | |
31e31b8a FB |
3829 | #include "ioctls.h" |
3830 | { 0, 0, }, | |
3831 | }; | |
3832 | ||
53a5960a | 3833 | /* ??? Implement proper locking for ioctls. */ |
0da46a6e | 3834 | /* do_ioctl() Must return target values and target errnos. */ |
992f48a0 | 3835 | static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg) |
31e31b8a FB |
3836 | { |
3837 | const IOCTLEntry *ie; | |
3838 | const argtype *arg_type; | |
992f48a0 | 3839 | abi_long ret; |
31e31b8a | 3840 | uint8_t buf_temp[MAX_STRUCT_SIZE]; |
53a5960a PB |
3841 | int target_size; |
3842 | void *argptr; | |
31e31b8a FB |
3843 | |
3844 | ie = ioctl_entries; | |
3845 | for(;;) { | |
3846 | if (ie->target_cmd == 0) { | |
32407103 | 3847 | gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd); |
0da46a6e | 3848 | return -TARGET_ENOSYS; |
31e31b8a FB |
3849 | } |
3850 | if (ie->target_cmd == cmd) | |
3851 | break; | |
3852 | ie++; | |
3853 | } | |
3854 | arg_type = ie->arg_type; | |
9de5e440 | 3855 | #if defined(DEBUG) |
32407103 | 3856 | gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name); |
72f03900 | 3857 | #endif |
d2ef05bb PM |
3858 | if (ie->do_ioctl) { |
3859 | return ie->do_ioctl(ie, buf_temp, fd, cmd, arg); | |
3860 | } | |
3861 | ||
31e31b8a FB |
3862 | switch(arg_type[0]) { |
3863 | case TYPE_NULL: | |
3864 | /* no argument */ | |
3865 | ret = get_errno(ioctl(fd, ie->host_cmd)); | |
3866 | break; | |
3867 | case TYPE_PTRVOID: | |
3868 | case TYPE_INT: | |
3869 | /* int argment */ | |
3870 | ret = get_errno(ioctl(fd, ie->host_cmd, arg)); | |
3871 | break; | |
3872 | case TYPE_PTR: | |
3873 | arg_type++; | |
53a5960a | 3874 | target_size = thunk_type_size(arg_type, 0); |
31e31b8a FB |
3875 | switch(ie->access) { |
3876 | case IOC_R: | |
3877 | ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); | |
3878 | if (!is_error(ret)) { | |
579a97f7 FB |
3879 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); |
3880 | if (!argptr) | |
3881 | return -TARGET_EFAULT; | |
53a5960a PB |
3882 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
3883 | unlock_user(argptr, arg, target_size); | |
31e31b8a FB |
3884 | } |
3885 | break; | |
3886 | case IOC_W: | |
579a97f7 FB |
3887 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); |
3888 | if (!argptr) | |
3889 | return -TARGET_EFAULT; | |
53a5960a PB |
3890 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
3891 | unlock_user(argptr, arg, 0); | |
31e31b8a FB |
3892 | ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
3893 | break; | |
3894 | default: | |
3895 | case IOC_RW: | |
579a97f7 FB |
3896 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); |
3897 | if (!argptr) | |
3898 | return -TARGET_EFAULT; | |
53a5960a PB |
3899 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
3900 | unlock_user(argptr, arg, 0); | |
31e31b8a FB |
3901 | ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
3902 | if (!is_error(ret)) { | |
579a97f7 FB |
3903 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); |
3904 | if (!argptr) | |
3905 | return -TARGET_EFAULT; | |
53a5960a PB |
3906 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
3907 | unlock_user(argptr, arg, target_size); | |
31e31b8a FB |
3908 | } |
3909 | break; | |
3910 | } | |
3911 | break; | |
3912 | default: | |
32407103 JM |
3913 | gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", |
3914 | (long)cmd, arg_type[0]); | |
0da46a6e | 3915 | ret = -TARGET_ENOSYS; |
31e31b8a FB |
3916 | break; |
3917 | } | |
3918 | return ret; | |
3919 | } | |
3920 | ||
b39bc503 | 3921 | static const bitmask_transtbl iflag_tbl[] = { |
31e31b8a FB |
3922 | { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, |
3923 | { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, | |
3924 | { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, | |
3925 | { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, | |
3926 | { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, | |
3927 | { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, | |
3928 | { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, | |
3929 | { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, | |
3930 | { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, | |
3931 | { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, | |
3932 | { TARGET_IXON, TARGET_IXON, IXON, IXON }, | |
3933 | { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, | |
3934 | { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, | |
3935 | { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, | |
3936 | { 0, 0, 0, 0 } | |
3937 | }; | |
3938 | ||
b39bc503 | 3939 | static const bitmask_transtbl oflag_tbl[] = { |
31e31b8a FB |
3940 | { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, |
3941 | { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, | |
3942 | { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, | |
3943 | { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, | |
3944 | { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, | |
3945 | { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, | |
3946 | { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, | |
3947 | { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, | |
3948 | { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, | |
3949 | { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, | |
3950 | { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, | |
3951 | { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, | |
3952 | { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, | |
3953 | { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, | |
3954 | { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, | |
3955 | { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, | |
3956 | { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, | |
3957 | { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, | |
3958 | { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, | |
3959 | { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, | |
3960 | { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, | |
3961 | { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, | |
3962 | { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, | |
3963 | { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, | |
3964 | { 0, 0, 0, 0 } | |
3965 | }; | |
3966 | ||
b39bc503 | 3967 | static const bitmask_transtbl cflag_tbl[] = { |
31e31b8a FB |
3968 | { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, |
3969 | { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, | |
3970 | { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, | |
3971 | { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, | |
3972 | { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, | |
3973 | { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, | |
3974 | { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, | |
3975 | { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, | |
3976 | { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, | |
3977 | { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, | |
3978 | { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, | |
3979 | { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, | |
3980 | { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, | |
3981 | { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, | |
3982 | { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, | |
3983 | { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, | |
3984 | { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, | |
3985 | { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, | |
3986 | { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, | |
3987 | { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, | |
3988 | { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, | |
3989 | { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, | |
3990 | { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, | |
3991 | { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, | |
3992 | { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, | |
3993 | { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, | |
3994 | { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, | |
3995 | { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, | |
3996 | { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, | |
3997 | { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, | |
3998 | { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, | |
3999 | { 0, 0, 0, 0 } | |
4000 | }; | |
4001 | ||
b39bc503 | 4002 | static const bitmask_transtbl lflag_tbl[] = { |
31e31b8a FB |
4003 | { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, |
4004 | { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, | |
4005 | { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, | |
4006 | { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, | |
4007 | { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, | |
4008 | { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, | |
4009 | { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, | |
4010 | { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, | |
4011 | { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, | |
4012 | { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, | |
4013 | { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, | |
4014 | { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, | |
4015 | { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, | |
4016 | { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, | |
4017 | { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, | |
4018 | { 0, 0, 0, 0 } | |
4019 | }; | |
4020 | ||
4021 | static void target_to_host_termios (void *dst, const void *src) | |
4022 | { | |
4023 | struct host_termios *host = dst; | |
4024 | const struct target_termios *target = src; | |
3b46e624 | 4025 | |
5fafdf24 | 4026 | host->c_iflag = |
31e31b8a | 4027 | target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); |
5fafdf24 | 4028 | host->c_oflag = |
31e31b8a | 4029 | target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); |
5fafdf24 | 4030 | host->c_cflag = |
31e31b8a | 4031 | target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); |
5fafdf24 | 4032 | host->c_lflag = |
31e31b8a FB |
4033 | target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); |
4034 | host->c_line = target->c_line; | |
3b46e624 | 4035 | |
44607123 | 4036 | memset(host->c_cc, 0, sizeof(host->c_cc)); |
5fafdf24 TS |
4037 | host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; |
4038 | host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; | |
3b46e624 | 4039 | host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; |
5fafdf24 | 4040 | host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; |
3b46e624 | 4041 | host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; |
5fafdf24 | 4042 | host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; |
3b46e624 | 4043 | host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; |
5fafdf24 | 4044 | host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; |
3b46e624 | 4045 | host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; |
5fafdf24 TS |
4046 | host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; |
4047 | host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; | |
3b46e624 TS |
4048 | host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; |
4049 | host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; | |
4050 | host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; | |
4051 | host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; | |
4052 | host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; | |
5fafdf24 | 4053 | host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; |
31e31b8a | 4054 | } |
3b46e624 | 4055 | |
31e31b8a FB |
4056 | static void host_to_target_termios (void *dst, const void *src) |
4057 | { | |
4058 | struct target_termios *target = dst; | |
4059 | const struct host_termios *host = src; | |
4060 | ||
5fafdf24 | 4061 | target->c_iflag = |
31e31b8a | 4062 | tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); |
5fafdf24 | 4063 | target->c_oflag = |
31e31b8a | 4064 | tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); |
5fafdf24 | 4065 | target->c_cflag = |
31e31b8a | 4066 | tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); |
5fafdf24 | 4067 | target->c_lflag = |
31e31b8a FB |
4068 | tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); |
4069 | target->c_line = host->c_line; | |
3b46e624 | 4070 | |
44607123 | 4071 | memset(target->c_cc, 0, sizeof(target->c_cc)); |
31e31b8a FB |
4072 | target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; |
4073 | target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; | |
4074 | target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; | |
4075 | target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; | |
4076 | target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; | |
4077 | target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; | |
4078 | target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; | |
4079 | target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; | |
4080 | target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; | |
4081 | target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; | |
4082 | target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; | |
4083 | target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; | |
4084 | target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; | |
4085 | target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; | |
4086 | target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; | |
4087 | target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; | |
4088 | target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; | |
4089 | } | |
4090 | ||
8e853dc7 | 4091 | static const StructEntry struct_termios_def = { |
31e31b8a FB |
4092 | .convert = { host_to_target_termios, target_to_host_termios }, |
4093 | .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, | |
4094 | .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, | |
4095 | }; | |
4096 | ||
5286db75 FB |
4097 | static bitmask_transtbl mmap_flags_tbl[] = { |
4098 | { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED }, | |
4099 | { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE }, | |
4100 | { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED }, | |
4101 | { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS }, | |
4102 | { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN }, | |
4103 | { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE }, | |
4104 | { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE }, | |
4105 | { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED }, | |
e8efd8e7 CL |
4106 | { TARGET_MAP_NORESERVE, TARGET_MAP_NORESERVE, MAP_NORESERVE, |
4107 | MAP_NORESERVE }, | |
5286db75 FB |
4108 | { 0, 0, 0, 0 } |
4109 | }; | |
4110 | ||
2ab83ea7 | 4111 | #if defined(TARGET_I386) |
6dbad63e FB |
4112 | |
4113 | /* NOTE: there is really one LDT for all the threads */ | |
b1d8e52e | 4114 | static uint8_t *ldt_table; |
6dbad63e | 4115 | |
03acab66 | 4116 | static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount) |
6dbad63e FB |
4117 | { |
4118 | int size; | |
53a5960a | 4119 | void *p; |
6dbad63e FB |
4120 | |
4121 | if (!ldt_table) | |
4122 | return 0; | |
4123 | size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; | |
4124 | if (size > bytecount) | |
4125 | size = bytecount; | |
579a97f7 FB |
4126 | p = lock_user(VERIFY_WRITE, ptr, size, 0); |
4127 | if (!p) | |
03acab66 | 4128 | return -TARGET_EFAULT; |
579a97f7 | 4129 | /* ??? Should this by byteswapped? */ |
53a5960a PB |
4130 | memcpy(p, ldt_table, size); |
4131 | unlock_user(p, ptr, size); | |
6dbad63e FB |
4132 | return size; |
4133 | } | |
4134 | ||
4135 | /* XXX: add locking support */ | |
03acab66 FB |
4136 | static abi_long write_ldt(CPUX86State *env, |
4137 | abi_ulong ptr, unsigned long bytecount, int oldmode) | |
6dbad63e FB |
4138 | { |
4139 | struct target_modify_ldt_ldt_s ldt_info; | |
53a5960a | 4140 | struct target_modify_ldt_ldt_s *target_ldt_info; |
6dbad63e | 4141 | int seg_32bit, contents, read_exec_only, limit_in_pages; |
8d18e893 | 4142 | int seg_not_present, useable, lm; |
6dbad63e FB |
4143 | uint32_t *lp, entry_1, entry_2; |
4144 | ||
4145 | if (bytecount != sizeof(ldt_info)) | |
03acab66 | 4146 | return -TARGET_EINVAL; |
579a97f7 | 4147 | if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1)) |
03acab66 | 4148 | return -TARGET_EFAULT; |
53a5960a | 4149 | ldt_info.entry_number = tswap32(target_ldt_info->entry_number); |
cbb21eed | 4150 | ldt_info.base_addr = tswapal(target_ldt_info->base_addr); |
53a5960a PB |
4151 | ldt_info.limit = tswap32(target_ldt_info->limit); |
4152 | ldt_info.flags = tswap32(target_ldt_info->flags); | |
4153 | unlock_user_struct(target_ldt_info, ptr, 0); | |
3b46e624 | 4154 | |
6dbad63e | 4155 | if (ldt_info.entry_number >= TARGET_LDT_ENTRIES) |
03acab66 | 4156 | return -TARGET_EINVAL; |
6dbad63e FB |
4157 | seg_32bit = ldt_info.flags & 1; |
4158 | contents = (ldt_info.flags >> 1) & 3; | |
4159 | read_exec_only = (ldt_info.flags >> 3) & 1; | |
4160 | limit_in_pages = (ldt_info.flags >> 4) & 1; | |
4161 | seg_not_present = (ldt_info.flags >> 5) & 1; | |
4162 | useable = (ldt_info.flags >> 6) & 1; | |
8d18e893 FB |
4163 | #ifdef TARGET_ABI32 |
4164 | lm = 0; | |
4165 | #else | |
4166 | lm = (ldt_info.flags >> 7) & 1; | |
4167 | #endif | |
6dbad63e FB |
4168 | if (contents == 3) { |
4169 | if (oldmode) | |
03acab66 | 4170 | return -TARGET_EINVAL; |
6dbad63e | 4171 | if (seg_not_present == 0) |
03acab66 | 4172 | return -TARGET_EINVAL; |
6dbad63e FB |
4173 | } |
4174 | /* allocate the LDT */ | |
4175 | if (!ldt_table) { | |
e441570f AZ |
4176 | env->ldt.base = target_mmap(0, |
4177 | TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE, | |
4178 | PROT_READ|PROT_WRITE, | |
4179 | MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); | |
4180 | if (env->ldt.base == -1) | |
03acab66 | 4181 | return -TARGET_ENOMEM; |
e441570f AZ |
4182 | memset(g2h(env->ldt.base), 0, |
4183 | TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); | |
6dbad63e | 4184 | env->ldt.limit = 0xffff; |
e441570f | 4185 | ldt_table = g2h(env->ldt.base); |
6dbad63e FB |
4186 | } |
4187 | ||
4188 | /* NOTE: same code as Linux kernel */ | |
4189 | /* Allow LDTs to be cleared by the user. */ | |
4190 | if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { | |
4191 | if (oldmode || | |
4192 | (contents == 0 && | |
4193 | read_exec_only == 1 && | |
4194 | seg_32bit == 0 && | |
4195 | limit_in_pages == 0 && | |
4196 | seg_not_present == 1 && | |
4197 | useable == 0 )) { | |
4198 | entry_1 = 0; | |
4199 | entry_2 = 0; | |
4200 | goto install; | |
4201 | } | |
4202 | } | |
3b46e624 | 4203 | |
6dbad63e FB |
4204 | entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | |
4205 | (ldt_info.limit & 0x0ffff); | |
4206 | entry_2 = (ldt_info.base_addr & 0xff000000) | | |
4207 | ((ldt_info.base_addr & 0x00ff0000) >> 16) | | |
4208 | (ldt_info.limit & 0xf0000) | | |
4209 | ((read_exec_only ^ 1) << 9) | | |
4210 | (contents << 10) | | |
4211 | ((seg_not_present ^ 1) << 15) | | |
4212 | (seg_32bit << 22) | | |
4213 | (limit_in_pages << 23) | | |
8d18e893 | 4214 | (lm << 21) | |
6dbad63e FB |
4215 | 0x7000; |
4216 | if (!oldmode) | |
4217 | entry_2 |= (useable << 20); | |
14ae3ba7 | 4218 | |
6dbad63e FB |
4219 | /* Install the new entry ... */ |
4220 | install: | |
4221 | lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3)); | |
4222 | lp[0] = tswap32(entry_1); | |
4223 | lp[1] = tswap32(entry_2); | |
4224 | return 0; | |
4225 | } | |
4226 | ||
4227 | /* specific and weird i386 syscalls */ | |
8fcd3692 BS |
4228 | static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr, |
4229 | unsigned long bytecount) | |
6dbad63e | 4230 | { |
03acab66 | 4231 | abi_long ret; |
3b46e624 | 4232 | |
6dbad63e FB |
4233 | switch (func) { |
4234 | case 0: | |
4235 | ret = read_ldt(ptr, bytecount); | |
4236 | break; | |
4237 | case 1: | |
4238 | ret = write_ldt(env, ptr, bytecount, 1); | |
4239 | break; | |
4240 | case 0x11: | |
4241 | ret = write_ldt(env, ptr, bytecount, 0); | |
4242 | break; | |
03acab66 FB |
4243 | default: |
4244 | ret = -TARGET_ENOSYS; | |
4245 | break; | |
6dbad63e FB |
4246 | } |
4247 | return ret; | |
4248 | } | |
1b6b029e | 4249 | |
4583f589 | 4250 | #if defined(TARGET_I386) && defined(TARGET_ABI32) |
bc22eb44 | 4251 | abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr) |
8d18e893 FB |
4252 | { |
4253 | uint64_t *gdt_table = g2h(env->gdt.base); | |
4254 | struct target_modify_ldt_ldt_s ldt_info; | |
4255 | struct target_modify_ldt_ldt_s *target_ldt_info; | |
4256 | int seg_32bit, contents, read_exec_only, limit_in_pages; | |
4257 | int seg_not_present, useable, lm; | |
4258 | uint32_t *lp, entry_1, entry_2; | |
4259 | int i; | |
4260 | ||
4261 | lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); | |
4262 | if (!target_ldt_info) | |
4263 | return -TARGET_EFAULT; | |
4264 | ldt_info.entry_number = tswap32(target_ldt_info->entry_number); | |
cbb21eed | 4265 | ldt_info.base_addr = tswapal(target_ldt_info->base_addr); |
8d18e893 FB |
4266 | ldt_info.limit = tswap32(target_ldt_info->limit); |
4267 | ldt_info.flags = tswap32(target_ldt_info->flags); | |
4268 | if (ldt_info.entry_number == -1) { | |
4269 | for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) { | |
4270 | if (gdt_table[i] == 0) { | |
4271 | ldt_info.entry_number = i; | |
4272 | target_ldt_info->entry_number = tswap32(i); | |
4273 | break; | |
4274 | } | |
4275 | } | |
4276 | } | |
4277 | unlock_user_struct(target_ldt_info, ptr, 1); | |
4278 | ||
4279 | if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN || | |
4280 | ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX) | |
4281 | return -TARGET_EINVAL; | |
4282 | seg_32bit = ldt_info.flags & 1; | |
4283 | contents = (ldt_info.flags >> 1) & 3; | |
4284 | read_exec_only = (ldt_info.flags >> 3) & 1; | |
4285 | limit_in_pages = (ldt_info.flags >> 4) & 1; | |
4286 | seg_not_present = (ldt_info.flags >> 5) & 1; | |
4287 | useable = (ldt_info.flags >> 6) & 1; | |
4288 | #ifdef TARGET_ABI32 | |
4289 | lm = 0; | |
4290 | #else | |
4291 | lm = (ldt_info.flags >> 7) & 1; | |
4292 | #endif | |
4293 | ||
4294 | if (contents == 3) { | |
4295 | if (seg_not_present == 0) | |
4296 | return -TARGET_EINVAL; | |
4297 | } | |
4298 | ||
4299 | /* NOTE: same code as Linux kernel */ | |
4300 | /* Allow LDTs to be cleared by the user. */ | |
4301 | if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { | |
4302 | if ((contents == 0 && | |
4303 | read_exec_only == 1 && | |
4304 | seg_32bit == 0 && | |
4305 | limit_in_pages == 0 && | |
4306 | seg_not_present == 1 && | |
4307 | useable == 0 )) { | |
4308 | entry_1 = 0; | |
4309 | entry_2 = 0; | |
4310 | goto install; | |
4311 | } | |
4312 | } | |
4313 | ||
4314 | entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | | |
4315 | (ldt_info.limit & 0x0ffff); | |
4316 | entry_2 = (ldt_info.base_addr & 0xff000000) | | |
4317 | ((ldt_info.base_addr & 0x00ff0000) >> 16) | | |
4318 | (ldt_info.limit & 0xf0000) | | |
4319 | ((read_exec_only ^ 1) << 9) | | |
4320 | (contents << 10) | | |
4321 | ((seg_not_present ^ 1) << 15) | | |
4322 | (seg_32bit << 22) | | |
4323 | (limit_in_pages << 23) | | |
4324 | (useable << 20) | | |
4325 | (lm << 21) | | |
4326 | 0x7000; | |
4327 | ||
4328 | /* Install the new entry ... */ | |
4329 | install: | |
4330 | lp = (uint32_t *)(gdt_table + ldt_info.entry_number); | |
4331 | lp[0] = tswap32(entry_1); | |
4332 | lp[1] = tswap32(entry_2); | |
4333 | return 0; | |
4334 | } | |
4335 | ||
8fcd3692 | 4336 | static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr) |
8d18e893 FB |
4337 | { |
4338 | struct target_modify_ldt_ldt_s *target_ldt_info; | |
4339 | uint64_t *gdt_table = g2h(env->gdt.base); | |
4340 | uint32_t base_addr, limit, flags; | |
4341 | int seg_32bit, contents, read_exec_only, limit_in_pages, idx; | |
4342 | int seg_not_present, useable, lm; | |
4343 | uint32_t *lp, entry_1, entry_2; | |
4344 | ||
4345 | lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); | |
4346 | if (!target_ldt_info) | |
4347 | return -TARGET_EFAULT; | |
4348 | idx = tswap32(target_ldt_info->entry_number); | |
4349 | if (idx < TARGET_GDT_ENTRY_TLS_MIN || | |
4350 | idx > TARGET_GDT_ENTRY_TLS_MAX) { | |
4351 | unlock_user_struct(target_ldt_info, ptr, 1); | |
4352 | return -TARGET_EINVAL; | |
4353 | } | |
4354 | lp = (uint32_t *)(gdt_table + idx); | |
4355 | entry_1 = tswap32(lp[0]); | |
4356 | entry_2 = tswap32(lp[1]); | |
4357 | ||
4358 | read_exec_only = ((entry_2 >> 9) & 1) ^ 1; | |
4359 | contents = (entry_2 >> 10) & 3; | |
4360 | seg_not_present = ((entry_2 >> 15) & 1) ^ 1; | |
4361 | seg_32bit = (entry_2 >> 22) & 1; | |
4362 | limit_in_pages = (entry_2 >> 23) & 1; | |
4363 | useable = (entry_2 >> 20) & 1; | |
4364 | #ifdef TARGET_ABI32 | |
4365 | lm = 0; | |
4366 | #else | |
4367 | lm = (entry_2 >> 21) & 1; | |
4368 | #endif | |
4369 | flags = (seg_32bit << 0) | (contents << 1) | | |
4370 | (read_exec_only << 3) | (limit_in_pages << 4) | | |
4371 | (seg_not_present << 5) | (useable << 6) | (lm << 7); | |
4372 | limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000); | |
4373 | base_addr = (entry_1 >> 16) | | |
4374 | (entry_2 & 0xff000000) | | |
4375 | ((entry_2 & 0xff) << 16); | |
cbb21eed | 4376 | target_ldt_info->base_addr = tswapal(base_addr); |
8d18e893 FB |
4377 | target_ldt_info->limit = tswap32(limit); |
4378 | target_ldt_info->flags = tswap32(flags); | |
4379 | unlock_user_struct(target_ldt_info, ptr, 1); | |
4380 | return 0; | |
4381 | } | |
4583f589 | 4382 | #endif /* TARGET_I386 && TARGET_ABI32 */ |
8d18e893 | 4383 | |
d2fd1af7 | 4384 | #ifndef TARGET_ABI32 |
2667e71c | 4385 | abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr) |
d2fd1af7 | 4386 | { |
1add8698 | 4387 | abi_long ret = 0; |
d2fd1af7 FB |
4388 | abi_ulong val; |
4389 | int idx; | |
1add8698 | 4390 | |
d2fd1af7 FB |
4391 | switch(code) { |
4392 | case TARGET_ARCH_SET_GS: | |
4393 | case TARGET_ARCH_SET_FS: | |
4394 | if (code == TARGET_ARCH_SET_GS) | |
4395 | idx = R_GS; | |
4396 | else | |
4397 | idx = R_FS; | |
4398 | cpu_x86_load_seg(env, idx, 0); | |
4399 | env->segs[idx].base = addr; | |
4400 | break; | |
4401 | case TARGET_ARCH_GET_GS: | |
4402 | case TARGET_ARCH_GET_FS: | |
4403 | if (code == TARGET_ARCH_GET_GS) | |
4404 | idx = R_GS; | |
4405 | else | |
4406 | idx = R_FS; | |
4407 | val = env->segs[idx].base; | |
4408 | if (put_user(val, addr, abi_ulong)) | |
1add8698 | 4409 | ret = -TARGET_EFAULT; |
d2fd1af7 FB |
4410 | break; |
4411 | default: | |
4412 | ret = -TARGET_EINVAL; | |
4413 | break; | |
4414 | } | |
1add8698 | 4415 | return ret; |
d2fd1af7 FB |
4416 | } |
4417 | #endif | |
4418 | ||
2ab83ea7 FB |
4419 | #endif /* defined(TARGET_I386) */ |
4420 | ||
05098a93 | 4421 | #define NEW_STACK_SIZE 0x40000 |
d865bab5 | 4422 | |
d865bab5 PB |
4423 | |
4424 | static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER; | |
4425 | typedef struct { | |
9349b4f9 | 4426 | CPUArchState *env; |
d865bab5 PB |
4427 | pthread_mutex_t mutex; |
4428 | pthread_cond_t cond; | |
4429 | pthread_t thread; | |
4430 | uint32_t tid; | |
4431 | abi_ulong child_tidptr; | |
4432 | abi_ulong parent_tidptr; | |
4433 | sigset_t sigmask; | |
4434 | } new_thread_info; | |
4435 | ||
4436 | static void *clone_func(void *arg) | |
4437 | { | |
4438 | new_thread_info *info = arg; | |
9349b4f9 | 4439 | CPUArchState *env; |
0d34282f | 4440 | CPUState *cpu; |
edf8e2af | 4441 | TaskState *ts; |
d865bab5 PB |
4442 | |
4443 | env = info->env; | |
0d34282f | 4444 | cpu = ENV_GET_CPU(env); |
a2247f8e | 4445 | thread_cpu = cpu; |
0429a971 | 4446 | ts = (TaskState *)cpu->opaque; |
d865bab5 | 4447 | info->tid = gettid(); |
0d34282f | 4448 | cpu->host_tid = info->tid; |
edf8e2af | 4449 | task_settid(ts); |
d865bab5 PB |
4450 | if (info->child_tidptr) |
4451 | put_user_u32(info->tid, info->child_tidptr); | |
4452 | if (info->parent_tidptr) | |
4453 | put_user_u32(info->tid, info->parent_tidptr); | |
4454 | /* Enable signals. */ | |
4455 | sigprocmask(SIG_SETMASK, &info->sigmask, NULL); | |
4456 | /* Signal to the parent that we're ready. */ | |
4457 | pthread_mutex_lock(&info->mutex); | |
4458 | pthread_cond_broadcast(&info->cond); | |
4459 | pthread_mutex_unlock(&info->mutex); | |
4460 | /* Wait until the parent has finshed initializing the tls state. */ | |
4461 | pthread_mutex_lock(&clone_lock); | |
4462 | pthread_mutex_unlock(&clone_lock); | |
4463 | cpu_loop(env); | |
4464 | /* never exits */ | |
4465 | return NULL; | |
4466 | } | |
1b6b029e | 4467 | |
0da46a6e TS |
4468 | /* do_fork() Must return host values and target errnos (unlike most |
4469 | do_*() functions). */ | |
9349b4f9 | 4470 | static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp, |
d865bab5 PB |
4471 | abi_ulong parent_tidptr, target_ulong newtls, |
4472 | abi_ulong child_tidptr) | |
1b6b029e | 4473 | { |
0429a971 | 4474 | CPUState *cpu = ENV_GET_CPU(env); |
1b6b029e | 4475 | int ret; |
5cd4393b | 4476 | TaskState *ts; |
0429a971 | 4477 | CPUState *new_cpu; |
9349b4f9 | 4478 | CPUArchState *new_env; |
d865bab5 PB |
4479 | unsigned int nptl_flags; |
4480 | sigset_t sigmask; | |
3b46e624 | 4481 | |
436d124b AZ |
4482 | /* Emulate vfork() with fork() */ |
4483 | if (flags & CLONE_VFORK) | |
4484 | flags &= ~(CLONE_VFORK | CLONE_VM); | |
4485 | ||
1b6b029e | 4486 | if (flags & CLONE_VM) { |
0429a971 | 4487 | TaskState *parent_ts = (TaskState *)cpu->opaque; |
d865bab5 PB |
4488 | new_thread_info info; |
4489 | pthread_attr_t attr; | |
24cb36a6 | 4490 | |
7267c094 | 4491 | ts = g_malloc0(sizeof(TaskState)); |
624f7979 | 4492 | init_task_state(ts); |
1b6b029e | 4493 | /* we create a new CPU instance. */ |
c5be9f08 | 4494 | new_env = cpu_copy(env); |
6e68e076 PB |
4495 | /* Init regs that differ from the parent. */ |
4496 | cpu_clone_regs(new_env, newsp); | |
0429a971 AF |
4497 | new_cpu = ENV_GET_CPU(new_env); |
4498 | new_cpu->opaque = ts; | |
edf8e2af MW |
4499 | ts->bprm = parent_ts->bprm; |
4500 | ts->info = parent_ts->info; | |
d865bab5 PB |
4501 | nptl_flags = flags; |
4502 | flags &= ~CLONE_NPTL_FLAGS2; | |
4503 | ||
c2764719 PB |
4504 | if (nptl_flags & CLONE_CHILD_CLEARTID) { |
4505 | ts->child_tidptr = child_tidptr; | |
4506 | } | |
4507 | ||
d865bab5 PB |
4508 | if (nptl_flags & CLONE_SETTLS) |
4509 | cpu_set_tls (new_env, newtls); | |
4510 | ||
4511 | /* Grab a mutex so that thread setup appears atomic. */ | |
4512 | pthread_mutex_lock(&clone_lock); | |
4513 | ||
4514 | memset(&info, 0, sizeof(info)); | |
4515 | pthread_mutex_init(&info.mutex, NULL); | |
4516 | pthread_mutex_lock(&info.mutex); | |
4517 | pthread_cond_init(&info.cond, NULL); | |
4518 | info.env = new_env; | |
4519 | if (nptl_flags & CLONE_CHILD_SETTID) | |
4520 | info.child_tidptr = child_tidptr; | |
4521 | if (nptl_flags & CLONE_PARENT_SETTID) | |
4522 | info.parent_tidptr = parent_tidptr; | |
4523 | ||
4524 | ret = pthread_attr_init(&attr); | |
48e15fc2 NF |
4525 | ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE); |
4526 | ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); | |
d865bab5 PB |
4527 | /* It is not safe to deliver signals until the child has finished |
4528 | initializing, so temporarily block all signals. */ | |
4529 | sigfillset(&sigmask); | |
4530 | sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask); | |
4531 | ||
4532 | ret = pthread_create(&info.thread, &attr, clone_func, &info); | |
c2764719 | 4533 | /* TODO: Free new CPU state if thread creation failed. */ |
d865bab5 PB |
4534 | |
4535 | sigprocmask(SIG_SETMASK, &info.sigmask, NULL); | |
4536 | pthread_attr_destroy(&attr); | |
4537 | if (ret == 0) { | |
4538 | /* Wait for the child to initialize. */ | |
4539 | pthread_cond_wait(&info.cond, &info.mutex); | |
4540 | ret = info.tid; | |
4541 | if (flags & CLONE_PARENT_SETTID) | |
4542 | put_user_u32(ret, parent_tidptr); | |
4543 | } else { | |
4544 | ret = -1; | |
4545 | } | |
4546 | pthread_mutex_unlock(&info.mutex); | |
4547 | pthread_cond_destroy(&info.cond); | |
4548 | pthread_mutex_destroy(&info.mutex); | |
4549 | pthread_mutex_unlock(&clone_lock); | |
1b6b029e FB |
4550 | } else { |
4551 | /* if no CLONE_VM, we consider it is a fork */ | |
d865bab5 | 4552 | if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0) |
1b6b029e | 4553 | return -EINVAL; |
d865bab5 | 4554 | fork_start(); |
1b6b029e | 4555 | ret = fork(); |
d865bab5 | 4556 | if (ret == 0) { |
2b1319c8 | 4557 | /* Child Process. */ |
d865bab5 PB |
4558 | cpu_clone_regs(env, newsp); |
4559 | fork_end(1); | |
2b1319c8 AJ |
4560 | /* There is a race condition here. The parent process could |
4561 | theoretically read the TID in the child process before the child | |
4562 | tid is set. This would require using either ptrace | |
4563 | (not implemented) or having *_tidptr to point at a shared memory | |
4564 | mapping. We can't repeat the spinlock hack used above because | |
4565 | the child process gets its own copy of the lock. */ | |
d865bab5 PB |
4566 | if (flags & CLONE_CHILD_SETTID) |
4567 | put_user_u32(gettid(), child_tidptr); | |
4568 | if (flags & CLONE_PARENT_SETTID) | |
4569 | put_user_u32(gettid(), parent_tidptr); | |
0429a971 | 4570 | ts = (TaskState *)cpu->opaque; |
d865bab5 PB |
4571 | if (flags & CLONE_SETTLS) |
4572 | cpu_set_tls (env, newtls); | |
c2764719 PB |
4573 | if (flags & CLONE_CHILD_CLEARTID) |
4574 | ts->child_tidptr = child_tidptr; | |
d865bab5 PB |
4575 | } else { |
4576 | fork_end(0); | |
4577 | } | |
1b6b029e FB |
4578 | } |
4579 | return ret; | |
4580 | } | |
4581 | ||
5f106811 APR |
4582 | /* warning : doesn't handle linux specific flags... */ |
4583 | static int target_to_host_fcntl_cmd(int cmd) | |
4584 | { | |
4585 | switch(cmd) { | |
4586 | case TARGET_F_DUPFD: | |
4587 | case TARGET_F_GETFD: | |
4588 | case TARGET_F_SETFD: | |
4589 | case TARGET_F_GETFL: | |
4590 | case TARGET_F_SETFL: | |
4591 | return cmd; | |
4592 | case TARGET_F_GETLK: | |
4593 | return F_GETLK; | |
4594 | case TARGET_F_SETLK: | |
4595 | return F_SETLK; | |
4596 | case TARGET_F_SETLKW: | |
4597 | return F_SETLKW; | |
4598 | case TARGET_F_GETOWN: | |
4599 | return F_GETOWN; | |
4600 | case TARGET_F_SETOWN: | |
4601 | return F_SETOWN; | |
4602 | case TARGET_F_GETSIG: | |
4603 | return F_GETSIG; | |
4604 | case TARGET_F_SETSIG: | |
4605 | return F_SETSIG; | |
4606 | #if TARGET_ABI_BITS == 32 | |
4607 | case TARGET_F_GETLK64: | |
4608 | return F_GETLK64; | |
4609 | case TARGET_F_SETLK64: | |
4610 | return F_SETLK64; | |
4611 | case TARGET_F_SETLKW64: | |
4612 | return F_SETLKW64; | |
4613 | #endif | |
7e22e546 UH |
4614 | case TARGET_F_SETLEASE: |
4615 | return F_SETLEASE; | |
4616 | case TARGET_F_GETLEASE: | |
4617 | return F_GETLEASE; | |
fbd5de9b | 4618 | #ifdef F_DUPFD_CLOEXEC |
7e22e546 UH |
4619 | case TARGET_F_DUPFD_CLOEXEC: |
4620 | return F_DUPFD_CLOEXEC; | |
fbd5de9b | 4621 | #endif |
7e22e546 UH |
4622 | case TARGET_F_NOTIFY: |
4623 | return F_NOTIFY; | |
8d5d3004 AS |
4624 | #ifdef F_GETOWN_EX |
4625 | case TARGET_F_GETOWN_EX: | |
4626 | return F_GETOWN_EX; | |
4627 | #endif | |
4628 | #ifdef F_SETOWN_EX | |
4629 | case TARGET_F_SETOWN_EX: | |
4630 | return F_SETOWN_EX; | |
4631 | #endif | |
5f106811 APR |
4632 | default: |
4633 | return -TARGET_EINVAL; | |
4634 | } | |
4635 | return -TARGET_EINVAL; | |
4636 | } | |
4637 | ||
2ba7f730 LV |
4638 | #define TRANSTBL_CONVERT(a) { -1, TARGET_##a, -1, a } |
4639 | static const bitmask_transtbl flock_tbl[] = { | |
4640 | TRANSTBL_CONVERT(F_RDLCK), | |
4641 | TRANSTBL_CONVERT(F_WRLCK), | |
4642 | TRANSTBL_CONVERT(F_UNLCK), | |
4643 | TRANSTBL_CONVERT(F_EXLCK), | |
4644 | TRANSTBL_CONVERT(F_SHLCK), | |
4645 | { 0, 0, 0, 0 } | |
4646 | }; | |
4647 | ||
992f48a0 | 4648 | static abi_long do_fcntl(int fd, int cmd, abi_ulong arg) |
7775e9ec FB |
4649 | { |
4650 | struct flock fl; | |
53a5960a | 4651 | struct target_flock *target_fl; |
43f238d7 TS |
4652 | struct flock64 fl64; |
4653 | struct target_flock64 *target_fl64; | |
8d5d3004 AS |
4654 | #ifdef F_GETOWN_EX |
4655 | struct f_owner_ex fox; | |
4656 | struct target_f_owner_ex *target_fox; | |
4657 | #endif | |
992f48a0 | 4658 | abi_long ret; |
5f106811 APR |
4659 | int host_cmd = target_to_host_fcntl_cmd(cmd); |
4660 | ||
4661 | if (host_cmd == -TARGET_EINVAL) | |
4662 | return host_cmd; | |
53a5960a | 4663 | |
7775e9ec FB |
4664 | switch(cmd) { |
4665 | case TARGET_F_GETLK: | |
579a97f7 FB |
4666 | if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1)) |
4667 | return -TARGET_EFAULT; | |
2ba7f730 LV |
4668 | fl.l_type = |
4669 | target_to_host_bitmask(tswap16(target_fl->l_type), flock_tbl); | |
5813427b | 4670 | fl.l_whence = tswap16(target_fl->l_whence); |
cbb21eed MB |
4671 | fl.l_start = tswapal(target_fl->l_start); |
4672 | fl.l_len = tswapal(target_fl->l_len); | |
7e22e546 | 4673 | fl.l_pid = tswap32(target_fl->l_pid); |
5813427b | 4674 | unlock_user_struct(target_fl, arg, 0); |
5f106811 | 4675 | ret = get_errno(fcntl(fd, host_cmd, &fl)); |
7775e9ec | 4676 | if (ret == 0) { |
579a97f7 FB |
4677 | if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0)) |
4678 | return -TARGET_EFAULT; | |
2ba7f730 LV |
4679 | target_fl->l_type = |
4680 | host_to_target_bitmask(tswap16(fl.l_type), flock_tbl); | |
7775e9ec | 4681 | target_fl->l_whence = tswap16(fl.l_whence); |
cbb21eed MB |
4682 | target_fl->l_start = tswapal(fl.l_start); |
4683 | target_fl->l_len = tswapal(fl.l_len); | |
7e22e546 | 4684 | target_fl->l_pid = tswap32(fl.l_pid); |
53a5960a | 4685 | unlock_user_struct(target_fl, arg, 1); |
7775e9ec FB |
4686 | } |
4687 | break; | |
3b46e624 | 4688 | |
7775e9ec FB |
4689 | case TARGET_F_SETLK: |
4690 | case TARGET_F_SETLKW: | |
579a97f7 FB |
4691 | if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1)) |
4692 | return -TARGET_EFAULT; | |
2ba7f730 LV |
4693 | fl.l_type = |
4694 | target_to_host_bitmask(tswap16(target_fl->l_type), flock_tbl); | |
7775e9ec | 4695 | fl.l_whence = tswap16(target_fl->l_whence); |
cbb21eed MB |
4696 | fl.l_start = tswapal(target_fl->l_start); |
4697 | fl.l_len = tswapal(target_fl->l_len); | |
7e22e546 | 4698 | fl.l_pid = tswap32(target_fl->l_pid); |
53a5960a | 4699 | unlock_user_struct(target_fl, arg, 0); |
5f106811 | 4700 | ret = get_errno(fcntl(fd, host_cmd, &fl)); |
7775e9ec | 4701 | break; |
3b46e624 | 4702 | |
7775e9ec | 4703 | case TARGET_F_GETLK64: |
579a97f7 FB |
4704 | if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1)) |
4705 | return -TARGET_EFAULT; | |
2ba7f730 LV |
4706 | fl64.l_type = |
4707 | target_to_host_bitmask(tswap16(target_fl64->l_type), flock_tbl) >> 1; | |
5813427b | 4708 | fl64.l_whence = tswap16(target_fl64->l_whence); |
cbb21eed MB |
4709 | fl64.l_start = tswap64(target_fl64->l_start); |
4710 | fl64.l_len = tswap64(target_fl64->l_len); | |
7e22e546 | 4711 | fl64.l_pid = tswap32(target_fl64->l_pid); |
5813427b | 4712 | unlock_user_struct(target_fl64, arg, 0); |
5f106811 | 4713 | ret = get_errno(fcntl(fd, host_cmd, &fl64)); |
43f238d7 | 4714 | if (ret == 0) { |
579a97f7 FB |
4715 | if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0)) |
4716 | return -TARGET_EFAULT; | |
2ba7f730 LV |
4717 | target_fl64->l_type = |
4718 | host_to_target_bitmask(tswap16(fl64.l_type), flock_tbl) >> 1; | |
43f238d7 | 4719 | target_fl64->l_whence = tswap16(fl64.l_whence); |
cbb21eed MB |
4720 | target_fl64->l_start = tswap64(fl64.l_start); |
4721 | target_fl64->l_len = tswap64(fl64.l_len); | |
7e22e546 | 4722 | target_fl64->l_pid = tswap32(fl64.l_pid); |
43f238d7 TS |
4723 | unlock_user_struct(target_fl64, arg, 1); |
4724 | } | |
9ee1fa2c | 4725 | break; |
7775e9ec FB |
4726 | case TARGET_F_SETLK64: |
4727 | case TARGET_F_SETLKW64: | |
579a97f7 FB |
4728 | if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1)) |
4729 | return -TARGET_EFAULT; | |
2ba7f730 LV |
4730 | fl64.l_type = |
4731 | target_to_host_bitmask(tswap16(target_fl64->l_type), flock_tbl) >> 1; | |
43f238d7 | 4732 | fl64.l_whence = tswap16(target_fl64->l_whence); |
cbb21eed MB |
4733 | fl64.l_start = tswap64(target_fl64->l_start); |
4734 | fl64.l_len = tswap64(target_fl64->l_len); | |
7e22e546 | 4735 | fl64.l_pid = tswap32(target_fl64->l_pid); |
43f238d7 | 4736 | unlock_user_struct(target_fl64, arg, 0); |
5f106811 | 4737 | ret = get_errno(fcntl(fd, host_cmd, &fl64)); |
7775e9ec FB |
4738 | break; |
4739 | ||
5f106811 APR |
4740 | case TARGET_F_GETFL: |
4741 | ret = get_errno(fcntl(fd, host_cmd, arg)); | |
9ee1fa2c FB |
4742 | if (ret >= 0) { |
4743 | ret = host_to_target_bitmask(ret, fcntl_flags_tbl); | |
4744 | } | |
ffa65c3b FB |
4745 | break; |
4746 | ||
5f106811 APR |
4747 | case TARGET_F_SETFL: |
4748 | ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl))); | |
4749 | break; | |
4750 | ||
8d5d3004 AS |
4751 | #ifdef F_GETOWN_EX |
4752 | case TARGET_F_GETOWN_EX: | |
4753 | ret = get_errno(fcntl(fd, host_cmd, &fox)); | |
4754 | if (ret >= 0) { | |
4755 | if (!lock_user_struct(VERIFY_WRITE, target_fox, arg, 0)) | |
4756 | return -TARGET_EFAULT; | |
4757 | target_fox->type = tswap32(fox.type); | |
4758 | target_fox->pid = tswap32(fox.pid); | |
4759 | unlock_user_struct(target_fox, arg, 1); | |
4760 | } | |
4761 | break; | |
4762 | #endif | |
4763 | ||
4764 | #ifdef F_SETOWN_EX | |
4765 | case TARGET_F_SETOWN_EX: | |
4766 | if (!lock_user_struct(VERIFY_READ, target_fox, arg, 1)) | |
4767 | return -TARGET_EFAULT; | |
4768 | fox.type = tswap32(target_fox->type); | |
4769 | fox.pid = tswap32(target_fox->pid); | |
4770 | unlock_user_struct(target_fox, arg, 0); | |
4771 | ret = get_errno(fcntl(fd, host_cmd, &fox)); | |
4772 | break; | |
4773 | #endif | |
4774 | ||
5f106811 APR |
4775 | case TARGET_F_SETOWN: |
4776 | case TARGET_F_GETOWN: | |
4777 | case TARGET_F_SETSIG: | |
4778 | case TARGET_F_GETSIG: | |
7e22e546 UH |
4779 | case TARGET_F_SETLEASE: |
4780 | case TARGET_F_GETLEASE: | |
5f106811 | 4781 | ret = get_errno(fcntl(fd, host_cmd, arg)); |
ffa65c3b FB |
4782 | break; |
4783 | ||
7775e9ec | 4784 | default: |
9ee1fa2c | 4785 | ret = get_errno(fcntl(fd, cmd, arg)); |
7775e9ec FB |
4786 | break; |
4787 | } | |
4788 | return ret; | |
4789 | } | |
4790 | ||
67867308 | 4791 | #ifdef USE_UID16 |
7775e9ec | 4792 | |
67867308 FB |
4793 | static inline int high2lowuid(int uid) |
4794 | { | |
4795 | if (uid > 65535) | |
4796 | return 65534; | |
4797 | else | |
4798 | return uid; | |
4799 | } | |
4800 | ||
4801 | static inline int high2lowgid(int gid) | |
4802 | { | |
4803 | if (gid > 65535) | |
4804 | return 65534; | |
4805 | else | |
4806 | return gid; | |
4807 | } | |
4808 | ||
4809 | static inline int low2highuid(int uid) | |
4810 | { | |
4811 | if ((int16_t)uid == -1) | |
4812 | return -1; | |
4813 | else | |
4814 | return uid; | |
4815 | } | |
4816 | ||
4817 | static inline int low2highgid(int gid) | |
4818 | { | |
4819 | if ((int16_t)gid == -1) | |
4820 | return -1; | |
4821 | else | |
4822 | return gid; | |
4823 | } | |
0c866a7e RV |
4824 | static inline int tswapid(int id) |
4825 | { | |
4826 | return tswap16(id); | |
4827 | } | |
76ca310a PM |
4828 | |
4829 | #define put_user_id(x, gaddr) put_user_u16(x, gaddr) | |
4830 | ||
0c866a7e RV |
4831 | #else /* !USE_UID16 */ |
4832 | static inline int high2lowuid(int uid) | |
4833 | { | |
4834 | return uid; | |
4835 | } | |
4836 | static inline int high2lowgid(int gid) | |
4837 | { | |
4838 | return gid; | |
4839 | } | |
4840 | static inline int low2highuid(int uid) | |
4841 | { | |
4842 | return uid; | |
4843 | } | |
4844 | static inline int low2highgid(int gid) | |
4845 | { | |
4846 | return gid; | |
4847 | } | |
4848 | static inline int tswapid(int id) | |
4849 | { | |
4850 | return tswap32(id); | |
4851 | } | |
76ca310a PM |
4852 | |
4853 | #define put_user_id(x, gaddr) put_user_u32(x, gaddr) | |
4854 | ||
67867308 | 4855 | #endif /* USE_UID16 */ |
1b6b029e | 4856 | |
31e31b8a FB |
4857 | void syscall_init(void) |
4858 | { | |
2ab83ea7 FB |
4859 | IOCTLEntry *ie; |
4860 | const argtype *arg_type; | |
4861 | int size; | |
b92c47c1 | 4862 | int i; |
2ab83ea7 | 4863 | |
001faf32 | 4864 | #define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); |
5fafdf24 | 4865 | #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); |
31e31b8a FB |
4866 | #include "syscall_types.h" |
4867 | #undef STRUCT | |
4868 | #undef STRUCT_SPECIAL | |
2ab83ea7 | 4869 | |
dd6e957a PM |
4870 | /* Build target_to_host_errno_table[] table from |
4871 | * host_to_target_errno_table[]. */ | |
4872 | for (i = 0; i < ERRNO_TABLE_SIZE; i++) { | |
4873 | target_to_host_errno_table[host_to_target_errno_table[i]] = i; | |
4874 | } | |
4875 | ||
2ab83ea7 FB |
4876 | /* we patch the ioctl size if necessary. We rely on the fact that |
4877 | no ioctl has all the bits at '1' in the size field */ | |
4878 | ie = ioctl_entries; | |
4879 | while (ie->target_cmd != 0) { | |
4880 | if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) == | |
4881 | TARGET_IOC_SIZEMASK) { | |
4882 | arg_type = ie->arg_type; | |
4883 | if (arg_type[0] != TYPE_PTR) { | |
5fafdf24 | 4884 | fprintf(stderr, "cannot patch size for ioctl 0x%x\n", |
2ab83ea7 FB |
4885 | ie->target_cmd); |
4886 | exit(1); | |
4887 | } | |
4888 | arg_type++; | |
4889 | size = thunk_type_size(arg_type, 0); | |
5fafdf24 | 4890 | ie->target_cmd = (ie->target_cmd & |
2ab83ea7 FB |
4891 | ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | |
4892 | (size << TARGET_IOC_SIZESHIFT); | |
4893 | } | |
b92c47c1 | 4894 | |
2ab83ea7 | 4895 | /* automatic consistency check if same arch */ |
872ea0c0 AZ |
4896 | #if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \ |
4897 | (defined(__x86_64__) && defined(TARGET_X86_64)) | |
4898 | if (unlikely(ie->target_cmd != ie->host_cmd)) { | |
4899 | fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n", | |
4900 | ie->name, ie->target_cmd, ie->host_cmd); | |
2ab83ea7 FB |
4901 | } |
4902 | #endif | |
4903 | ie++; | |
4904 | } | |
31e31b8a | 4905 | } |
c573ff67 | 4906 | |
992f48a0 | 4907 | #if TARGET_ABI_BITS == 32 |
ce4defa0 PB |
4908 | static inline uint64_t target_offset64(uint32_t word0, uint32_t word1) |
4909 | { | |
af325d36 | 4910 | #ifdef TARGET_WORDS_BIGENDIAN |
ce4defa0 PB |
4911 | return ((uint64_t)word0 << 32) | word1; |
4912 | #else | |
4913 | return ((uint64_t)word1 << 32) | word0; | |
4914 | #endif | |
4915 | } | |
992f48a0 | 4916 | #else /* TARGET_ABI_BITS == 32 */ |
32407103 JM |
4917 | static inline uint64_t target_offset64(uint64_t word0, uint64_t word1) |
4918 | { | |
4919 | return word0; | |
4920 | } | |
992f48a0 | 4921 | #endif /* TARGET_ABI_BITS != 32 */ |
ce4defa0 PB |
4922 | |
4923 | #ifdef TARGET_NR_truncate64 | |
992f48a0 BS |
4924 | static inline abi_long target_truncate64(void *cpu_env, const char *arg1, |
4925 | abi_long arg2, | |
4926 | abi_long arg3, | |
4927 | abi_long arg4) | |
ce4defa0 | 4928 | { |
48e515d4 | 4929 | if (regpairs_aligned(cpu_env)) { |
ce4defa0 PB |
4930 | arg2 = arg3; |
4931 | arg3 = arg4; | |
48e515d4 | 4932 | } |
ce4defa0 PB |
4933 | return get_errno(truncate64(arg1, target_offset64(arg2, arg3))); |
4934 | } | |
4935 | #endif | |
4936 | ||
4937 | #ifdef TARGET_NR_ftruncate64 | |
992f48a0 BS |
4938 | static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1, |
4939 | abi_long arg2, | |
4940 | abi_long arg3, | |
4941 | abi_long arg4) | |
ce4defa0 | 4942 | { |
48e515d4 | 4943 | if (regpairs_aligned(cpu_env)) { |
ce4defa0 PB |
4944 | arg2 = arg3; |
4945 | arg3 = arg4; | |
48e515d4 | 4946 | } |
ce4defa0 PB |
4947 | return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3))); |
4948 | } | |
4949 | #endif | |
4950 | ||
579a97f7 FB |
4951 | static inline abi_long target_to_host_timespec(struct timespec *host_ts, |
4952 | abi_ulong target_addr) | |
53a5960a PB |
4953 | { |
4954 | struct target_timespec *target_ts; | |
4955 | ||
579a97f7 FB |
4956 | if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) |
4957 | return -TARGET_EFAULT; | |
cbb21eed MB |
4958 | host_ts->tv_sec = tswapal(target_ts->tv_sec); |
4959 | host_ts->tv_nsec = tswapal(target_ts->tv_nsec); | |
53a5960a | 4960 | unlock_user_struct(target_ts, target_addr, 0); |
b255bfa8 | 4961 | return 0; |
53a5960a PB |
4962 | } |
4963 | ||
579a97f7 FB |
4964 | static inline abi_long host_to_target_timespec(abi_ulong target_addr, |
4965 | struct timespec *host_ts) | |
53a5960a PB |
4966 | { |
4967 | struct target_timespec *target_ts; | |
4968 | ||
579a97f7 FB |
4969 | if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) |
4970 | return -TARGET_EFAULT; | |
cbb21eed MB |
4971 | target_ts->tv_sec = tswapal(host_ts->tv_sec); |
4972 | target_ts->tv_nsec = tswapal(host_ts->tv_nsec); | |
53a5960a | 4973 | unlock_user_struct(target_ts, target_addr, 1); |
b255bfa8 | 4974 | return 0; |
53a5960a PB |
4975 | } |
4976 | ||
f4f1e10a ECL |
4977 | static inline abi_long target_to_host_itimerspec(struct itimerspec *host_itspec, |
4978 | abi_ulong target_addr) | |
4979 | { | |
4980 | struct target_itimerspec *target_itspec; | |
4981 | ||
4982 | if (!lock_user_struct(VERIFY_READ, target_itspec, target_addr, 1)) { | |
4983 | return -TARGET_EFAULT; | |
4984 | } | |
4985 | ||
4986 | host_itspec->it_interval.tv_sec = | |
4987 | tswapal(target_itspec->it_interval.tv_sec); | |
4988 | host_itspec->it_interval.tv_nsec = | |
4989 | tswapal(target_itspec->it_interval.tv_nsec); | |
4990 | host_itspec->it_value.tv_sec = tswapal(target_itspec->it_value.tv_sec); | |
4991 | host_itspec->it_value.tv_nsec = tswapal(target_itspec->it_value.tv_nsec); | |
4992 | ||
4993 | unlock_user_struct(target_itspec, target_addr, 1); | |
4994 | return 0; | |
4995 | } | |
4996 | ||
4997 | static inline abi_long host_to_target_itimerspec(abi_ulong target_addr, | |
4998 | struct itimerspec *host_its) | |
4999 | { | |
5000 | struct target_itimerspec *target_itspec; | |
5001 | ||
5002 | if (!lock_user_struct(VERIFY_WRITE, target_itspec, target_addr, 0)) { | |
5003 | return -TARGET_EFAULT; | |
5004 | } | |
5005 | ||
5006 | target_itspec->it_interval.tv_sec = tswapal(host_its->it_interval.tv_sec); | |
5007 | target_itspec->it_interval.tv_nsec = tswapal(host_its->it_interval.tv_nsec); | |
5008 | ||
5009 | target_itspec->it_value.tv_sec = tswapal(host_its->it_value.tv_sec); | |
5010 | target_itspec->it_value.tv_nsec = tswapal(host_its->it_value.tv_nsec); | |
5011 | ||
5012 | unlock_user_struct(target_itspec, target_addr, 0); | |
5013 | return 0; | |
5014 | } | |
5015 | ||
c065976f PM |
5016 | static inline abi_long target_to_host_sigevent(struct sigevent *host_sevp, |
5017 | abi_ulong target_addr) | |
5018 | { | |
5019 | struct target_sigevent *target_sevp; | |
5020 | ||
5021 | if (!lock_user_struct(VERIFY_READ, target_sevp, target_addr, 1)) { | |
5022 | return -TARGET_EFAULT; | |
5023 | } | |
5024 | ||
5025 | /* This union is awkward on 64 bit systems because it has a 32 bit | |
5026 | * integer and a pointer in it; we follow the conversion approach | |
5027 | * used for handling sigval types in signal.c so the guest should get | |
5028 | * the correct value back even if we did a 64 bit byteswap and it's | |
5029 | * using the 32 bit integer. | |
5030 | */ | |
5031 | host_sevp->sigev_value.sival_ptr = | |
5032 | (void *)(uintptr_t)tswapal(target_sevp->sigev_value.sival_ptr); | |
5033 | host_sevp->sigev_signo = | |
5034 | target_to_host_signal(tswap32(target_sevp->sigev_signo)); | |
5035 | host_sevp->sigev_notify = tswap32(target_sevp->sigev_notify); | |
5036 | host_sevp->_sigev_un._tid = tswap32(target_sevp->_sigev_un._tid); | |
5037 | ||
5038 | unlock_user_struct(target_sevp, target_addr, 1); | |
5039 | return 0; | |
5040 | } | |
5041 | ||
6f6a4032 TM |
5042 | #if defined(TARGET_NR_mlockall) |
5043 | static inline int target_to_host_mlockall_arg(int arg) | |
5044 | { | |
5045 | int result = 0; | |
5046 | ||
5047 | if (arg & TARGET_MLOCKALL_MCL_CURRENT) { | |
5048 | result |= MCL_CURRENT; | |
5049 | } | |
5050 | if (arg & TARGET_MLOCKALL_MCL_FUTURE) { | |
5051 | result |= MCL_FUTURE; | |
5052 | } | |
5053 | return result; | |
5054 | } | |
5055 | #endif | |
5056 | ||
9d33b76b | 5057 | #if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat) |
6a24a778 AZ |
5058 | static inline abi_long host_to_target_stat64(void *cpu_env, |
5059 | abi_ulong target_addr, | |
5060 | struct stat *host_st) | |
5061 | { | |
09701199 | 5062 | #if defined(TARGET_ARM) && defined(TARGET_ABI32) |
6a24a778 AZ |
5063 | if (((CPUARMState *)cpu_env)->eabi) { |
5064 | struct target_eabi_stat64 *target_st; | |
5065 | ||
5066 | if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) | |
5067 | return -TARGET_EFAULT; | |
5068 | memset(target_st, 0, sizeof(struct target_eabi_stat64)); | |
5069 | __put_user(host_st->st_dev, &target_st->st_dev); | |
5070 | __put_user(host_st->st_ino, &target_st->st_ino); | |
5071 | #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO | |
5072 | __put_user(host_st->st_ino, &target_st->__st_ino); | |
5073 | #endif | |
5074 | __put_user(host_st->st_mode, &target_st->st_mode); | |
5075 | __put_user(host_st->st_nlink, &target_st->st_nlink); | |
5076 | __put_user(host_st->st_uid, &target_st->st_uid); | |
5077 | __put_user(host_st->st_gid, &target_st->st_gid); | |
5078 | __put_user(host_st->st_rdev, &target_st->st_rdev); | |
5079 | __put_user(host_st->st_size, &target_st->st_size); | |
5080 | __put_user(host_st->st_blksize, &target_st->st_blksize); | |
5081 | __put_user(host_st->st_blocks, &target_st->st_blocks); | |
5082 | __put_user(host_st->st_atime, &target_st->target_st_atime); | |
5083 | __put_user(host_st->st_mtime, &target_st->target_st_mtime); | |
5084 | __put_user(host_st->st_ctime, &target_st->target_st_ctime); | |
5085 | unlock_user_struct(target_st, target_addr, 1); | |
5086 | } else | |
5087 | #endif | |
5088 | { | |
20d155bc | 5089 | #if defined(TARGET_HAS_STRUCT_STAT64) |
6a24a778 | 5090 | struct target_stat64 *target_st; |
20d155bc SW |
5091 | #else |
5092 | struct target_stat *target_st; | |
9d33b76b | 5093 | #endif |
6a24a778 AZ |
5094 | |
5095 | if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) | |
5096 | return -TARGET_EFAULT; | |
9d33b76b | 5097 | memset(target_st, 0, sizeof(*target_st)); |
6a24a778 AZ |
5098 | __put_user(host_st->st_dev, &target_st->st_dev); |
5099 | __put_user(host_st->st_ino, &target_st->st_ino); | |
5100 | #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO | |
5101 | __put_user(host_st->st_ino, &target_st->__st_ino); | |
5102 | #endif | |
5103 | __put_user(host_st->st_mode, &target_st->st_mode); | |
5104 | __put_user(host_st->st_nlink, &target_st->st_nlink); | |
5105 | __put_user(host_st->st_uid, &target_st->st_uid); | |
5106 | __put_user(host_st->st_gid, &target_st->st_gid); | |
5107 | __put_user(host_st->st_rdev, &target_st->st_rdev); | |
5108 | /* XXX: better use of kernel struct */ | |
5109 | __put_user(host_st->st_size, &target_st->st_size); | |
5110 | __put_user(host_st->st_blksize, &target_st->st_blksize); | |
5111 | __put_user(host_st->st_blocks, &target_st->st_blocks); | |
5112 | __put_user(host_st->st_atime, &target_st->target_st_atime); | |
5113 | __put_user(host_st->st_mtime, &target_st->target_st_mtime); | |
5114 | __put_user(host_st->st_ctime, &target_st->target_st_ctime); | |
5115 | unlock_user_struct(target_st, target_addr, 1); | |
5116 | } | |
5117 | ||
5118 | return 0; | |
5119 | } | |
5120 | #endif | |
5121 | ||
bd0c5661 PB |
5122 | /* ??? Using host futex calls even when target atomic operations |
5123 | are not really atomic probably breaks things. However implementing | |
5124 | futexes locally would make futexes shared between multiple processes | |
5125 | tricky. However they're probably useless because guest atomic | |
5126 | operations won't work either. */ | |
8fcd3692 BS |
5127 | static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout, |
5128 | target_ulong uaddr2, int val3) | |
bd0c5661 PB |
5129 | { |
5130 | struct timespec ts, *pts; | |
a16aae0c | 5131 | int base_op; |
bd0c5661 PB |
5132 | |
5133 | /* ??? We assume FUTEX_* constants are the same on both host | |
5134 | and target. */ | |
a29ccd63 | 5135 | #ifdef FUTEX_CMD_MASK |
a16aae0c | 5136 | base_op = op & FUTEX_CMD_MASK; |
a29ccd63 | 5137 | #else |
a16aae0c | 5138 | base_op = op; |
a29ccd63 | 5139 | #endif |
a16aae0c | 5140 | switch (base_op) { |
bd0c5661 | 5141 | case FUTEX_WAIT: |
cce246e0 | 5142 | case FUTEX_WAIT_BITSET: |
bd0c5661 PB |
5143 | if (timeout) { |
5144 | pts = &ts; | |
5145 | target_to_host_timespec(pts, timeout); | |
5146 | } else { | |
5147 | pts = NULL; | |
5148 | } | |
a29ccd63 | 5149 | return get_errno(sys_futex(g2h(uaddr), op, tswap32(val), |
cce246e0 | 5150 | pts, NULL, val3)); |
bd0c5661 | 5151 | case FUTEX_WAKE: |
a29ccd63 | 5152 | return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0)); |
bd0c5661 | 5153 | case FUTEX_FD: |
a29ccd63 | 5154 | return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0)); |
bd0c5661 | 5155 | case FUTEX_REQUEUE: |
bd0c5661 | 5156 | case FUTEX_CMP_REQUEUE: |
a16aae0c NF |
5157 | case FUTEX_WAKE_OP: |
5158 | /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the | |
5159 | TIMEOUT parameter is interpreted as a uint32_t by the kernel. | |
5160 | But the prototype takes a `struct timespec *'; insert casts | |
5161 | to satisfy the compiler. We do not need to tswap TIMEOUT | |
5162 | since it's not compared to guest memory. */ | |
5163 | pts = (struct timespec *)(uintptr_t) timeout; | |
5164 | return get_errno(sys_futex(g2h(uaddr), op, val, pts, | |
5165 | g2h(uaddr2), | |
5166 | (base_op == FUTEX_CMP_REQUEUE | |
5167 | ? tswap32(val3) | |
5168 | : val3))); | |
bd0c5661 PB |
5169 | default: |
5170 | return -TARGET_ENOSYS; | |
5171 | } | |
5172 | } | |
bd0c5661 | 5173 | |
1d9d8b55 PB |
5174 | /* Map host to target signal numbers for the wait family of syscalls. |
5175 | Assume all other status bits are the same. */ | |
a05c6409 | 5176 | int host_to_target_waitstatus(int status) |
1d9d8b55 PB |
5177 | { |
5178 | if (WIFSIGNALED(status)) { | |
5179 | return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f); | |
5180 | } | |
5181 | if (WIFSTOPPED(status)) { | |
5182 | return (host_to_target_signal(WSTOPSIG(status)) << 8) | |
5183 | | (status & 0xff); | |
5184 | } | |
5185 | return status; | |
5186 | } | |
5187 | ||
76b94245 WVS |
5188 | static int open_self_cmdline(void *cpu_env, int fd) |
5189 | { | |
5190 | int fd_orig = -1; | |
5191 | bool word_skipped = false; | |
5192 | ||
5193 | fd_orig = open("/proc/self/cmdline", O_RDONLY); | |
5194 | if (fd_orig < 0) { | |
5195 | return fd_orig; | |
5196 | } | |
5197 | ||
5198 | while (true) { | |
5199 | ssize_t nb_read; | |
5200 | char buf[128]; | |
5201 | char *cp_buf = buf; | |
5202 | ||
5203 | nb_read = read(fd_orig, buf, sizeof(buf)); | |
5204 | if (nb_read < 0) { | |
5205 | fd_orig = close(fd_orig); | |
5206 | return -1; | |
5207 | } else if (nb_read == 0) { | |
5208 | break; | |
5209 | } | |
5210 | ||
5211 | if (!word_skipped) { | |
5212 | /* Skip the first string, which is the path to qemu-*-static | |
5213 | instead of the actual command. */ | |
5214 | cp_buf = memchr(buf, 0, sizeof(buf)); | |
5215 | if (cp_buf) { | |
5216 | /* Null byte found, skip one string */ | |
5217 | cp_buf++; | |
5218 | nb_read -= cp_buf - buf; | |
5219 | word_skipped = true; | |
5220 | } | |
5221 | } | |
5222 | ||
5223 | if (word_skipped) { | |
5224 | if (write(fd, cp_buf, nb_read) != nb_read) { | |
680dfde9 | 5225 | close(fd_orig); |
76b94245 WVS |
5226 | return -1; |
5227 | } | |
5228 | } | |
5229 | } | |
5230 | ||
5231 | return close(fd_orig); | |
5232 | } | |
5233 | ||
36c08d49 AG |
5234 | static int open_self_maps(void *cpu_env, int fd) |
5235 | { | |
0429a971 AF |
5236 | CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env); |
5237 | TaskState *ts = cpu->opaque; | |
1a49ef2a AG |
5238 | FILE *fp; |
5239 | char *line = NULL; | |
5240 | size_t len = 0; | |
5241 | ssize_t read; | |
5242 | ||
5243 | fp = fopen("/proc/self/maps", "r"); | |
5244 | if (fp == NULL) { | |
5245 | return -EACCES; | |
5246 | } | |
36c08d49 | 5247 | |
1a49ef2a AG |
5248 | while ((read = getline(&line, &len, fp)) != -1) { |
5249 | int fields, dev_maj, dev_min, inode; | |
5250 | uint64_t min, max, offset; | |
5251 | char flag_r, flag_w, flag_x, flag_p; | |
5252 | char path[512] = ""; | |
5253 | fields = sscanf(line, "%"PRIx64"-%"PRIx64" %c%c%c%c %"PRIx64" %x:%x %d" | |
5254 | " %512s", &min, &max, &flag_r, &flag_w, &flag_x, | |
5255 | &flag_p, &offset, &dev_maj, &dev_min, &inode, path); | |
5256 | ||
5257 | if ((fields < 10) || (fields > 11)) { | |
5258 | continue; | |
5259 | } | |
d67f4aaa MI |
5260 | if (h2g_valid(min)) { |
5261 | int flags = page_get_flags(h2g(min)); | |
5262 | max = h2g_valid(max - 1) ? max : (uintptr_t)g2h(GUEST_ADDR_MAX); | |
5263 | if (page_check_range(h2g(min), max - min, flags) == -1) { | |
5264 | continue; | |
5265 | } | |
5266 | if (h2g(min) == ts->info->stack_limit) { | |
5267 | pstrcpy(path, sizeof(path), " [stack]"); | |
5268 | } | |
1a49ef2a | 5269 | dprintf(fd, TARGET_ABI_FMT_lx "-" TARGET_ABI_FMT_lx |
e24fed4e | 5270 | " %c%c%c%c %08" PRIx64 " %02x:%02x %d %s%s\n", |
d67f4aaa | 5271 | h2g(min), h2g(max - 1) + 1, flag_r, flag_w, |
1a49ef2a | 5272 | flag_x, flag_p, offset, dev_maj, dev_min, inode, |
e24fed4e | 5273 | path[0] ? " " : "", path); |
1a49ef2a AG |
5274 | } |
5275 | } | |
5276 | ||
5277 | free(line); | |
5278 | fclose(fp); | |
5279 | ||
36c08d49 AG |
5280 | return 0; |
5281 | } | |
5282 | ||
480b8e7d AG |
5283 | static int open_self_stat(void *cpu_env, int fd) |
5284 | { | |
0429a971 AF |
5285 | CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env); |
5286 | TaskState *ts = cpu->opaque; | |
480b8e7d AG |
5287 | abi_ulong start_stack = ts->info->start_stack; |
5288 | int i; | |
5289 | ||
5290 | for (i = 0; i < 44; i++) { | |
5291 | char buf[128]; | |
5292 | int len; | |
5293 | uint64_t val = 0; | |
5294 | ||
e0e65bee FE |
5295 | if (i == 0) { |
5296 | /* pid */ | |
5297 | val = getpid(); | |
5298 | snprintf(buf, sizeof(buf), "%"PRId64 " ", val); | |
5299 | } else if (i == 1) { | |
5300 | /* app name */ | |
5301 | snprintf(buf, sizeof(buf), "(%s) ", ts->bprm->argv[0]); | |
5302 | } else if (i == 27) { | |
5303 | /* stack bottom */ | |
5304 | val = start_stack; | |
5305 | snprintf(buf, sizeof(buf), "%"PRId64 " ", val); | |
5306 | } else { | |
5307 | /* for the rest, there is MasterCard */ | |
5308 | snprintf(buf, sizeof(buf), "0%c", i == 43 ? '\n' : ' '); | |
480b8e7d | 5309 | } |
e0e65bee | 5310 | |
480b8e7d AG |
5311 | len = strlen(buf); |
5312 | if (write(fd, buf, len) != len) { | |
5313 | return -1; | |
5314 | } | |
5315 | } | |
5316 | ||
5317 | return 0; | |
5318 | } | |
5319 | ||
257450ee AG |
5320 | static int open_self_auxv(void *cpu_env, int fd) |
5321 | { | |
0429a971 AF |
5322 | CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env); |
5323 | TaskState *ts = cpu->opaque; | |
257450ee AG |
5324 | abi_ulong auxv = ts->info->saved_auxv; |
5325 | abi_ulong len = ts->info->auxv_len; | |
5326 | char *ptr; | |
5327 | ||
5328 | /* | |
5329 | * Auxiliary vector is stored in target process stack. | |
5330 | * read in whole auxv vector and copy it to file | |
5331 | */ | |
5332 | ptr = lock_user(VERIFY_READ, auxv, len, 0); | |
5333 | if (ptr != NULL) { | |
5334 | while (len > 0) { | |
5335 | ssize_t r; | |
5336 | r = write(fd, ptr, len); | |
5337 | if (r <= 0) { | |
5338 | break; | |
5339 | } | |
5340 | len -= r; | |
5341 | ptr += r; | |
5342 | } | |
5343 | lseek(fd, 0, SEEK_SET); | |
5344 | unlock_user(ptr, auxv, len); | |
5345 | } | |
5346 | ||
5347 | return 0; | |
5348 | } | |
5349 | ||
463d8e73 AS |
5350 | static int is_proc_myself(const char *filename, const char *entry) |
5351 | { | |
5352 | if (!strncmp(filename, "/proc/", strlen("/proc/"))) { | |
5353 | filename += strlen("/proc/"); | |
5354 | if (!strncmp(filename, "self/", strlen("self/"))) { | |
5355 | filename += strlen("self/"); | |
5356 | } else if (*filename >= '1' && *filename <= '9') { | |
5357 | char myself[80]; | |
5358 | snprintf(myself, sizeof(myself), "%d/", getpid()); | |
5359 | if (!strncmp(filename, myself, strlen(myself))) { | |
5360 | filename += strlen(myself); | |
5361 | } else { | |
5362 | return 0; | |
5363 | } | |
5364 | } else { | |
5365 | return 0; | |
5366 | } | |
5367 | if (!strcmp(filename, entry)) { | |
5368 | return 1; | |
5369 | } | |
5370 | } | |
5371 | return 0; | |
5372 | } | |
5373 | ||
de6b9933 LV |
5374 | #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) |
5375 | static int is_proc(const char *filename, const char *entry) | |
5376 | { | |
5377 | return strcmp(filename, entry) == 0; | |
5378 | } | |
5379 | ||
5380 | static int open_net_route(void *cpu_env, int fd) | |
5381 | { | |
5382 | FILE *fp; | |
5383 | char *line = NULL; | |
5384 | size_t len = 0; | |
5385 | ssize_t read; | |
5386 | ||
5387 | fp = fopen("/proc/net/route", "r"); | |
5388 | if (fp == NULL) { | |
5389 | return -EACCES; | |
5390 | } | |
5391 | ||
5392 | /* read header */ | |
5393 | ||
5394 | read = getline(&line, &len, fp); | |
5395 | dprintf(fd, "%s", line); | |
5396 | ||
5397 | /* read routes */ | |
5398 | ||
5399 | while ((read = getline(&line, &len, fp)) != -1) { | |
5400 | char iface[16]; | |
5401 | uint32_t dest, gw, mask; | |
5402 | unsigned int flags, refcnt, use, metric, mtu, window, irtt; | |
5403 | sscanf(line, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n", | |
5404 | iface, &dest, &gw, &flags, &refcnt, &use, &metric, | |
5405 | &mask, &mtu, &window, &irtt); | |
5406 | dprintf(fd, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n", | |
5407 | iface, tswap32(dest), tswap32(gw), flags, refcnt, use, | |
5408 | metric, tswap32(mask), mtu, window, irtt); | |
5409 | } | |
5410 | ||
5411 | free(line); | |
5412 | fclose(fp); | |
5413 | ||
5414 | return 0; | |
5415 | } | |
5416 | #endif | |
5417 | ||
0b2effd7 | 5418 | static int do_openat(void *cpu_env, int dirfd, const char *pathname, int flags, mode_t mode) |
3be14d05 AG |
5419 | { |
5420 | struct fake_open { | |
5421 | const char *filename; | |
5422 | int (*fill)(void *cpu_env, int fd); | |
de6b9933 | 5423 | int (*cmp)(const char *s1, const char *s2); |
3be14d05 AG |
5424 | }; |
5425 | const struct fake_open *fake_open; | |
5426 | static const struct fake_open fakes[] = { | |
de6b9933 LV |
5427 | { "maps", open_self_maps, is_proc_myself }, |
5428 | { "stat", open_self_stat, is_proc_myself }, | |
5429 | { "auxv", open_self_auxv, is_proc_myself }, | |
76b94245 | 5430 | { "cmdline", open_self_cmdline, is_proc_myself }, |
de6b9933 LV |
5431 | #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) |
5432 | { "/proc/net/route", open_net_route, is_proc }, | |
5433 | #endif | |
5434 | { NULL, NULL, NULL } | |
3be14d05 AG |
5435 | }; |
5436 | ||
aa07f5ec MO |
5437 | if (is_proc_myself(pathname, "exe")) { |
5438 | int execfd = qemu_getauxval(AT_EXECFD); | |
0b2effd7 | 5439 | return execfd ? execfd : get_errno(sys_openat(dirfd, exec_path, flags, mode)); |
aa07f5ec MO |
5440 | } |
5441 | ||
3be14d05 | 5442 | for (fake_open = fakes; fake_open->filename; fake_open++) { |
de6b9933 | 5443 | if (fake_open->cmp(pathname, fake_open->filename)) { |
3be14d05 AG |
5444 | break; |
5445 | } | |
5446 | } | |
5447 | ||
5448 | if (fake_open->filename) { | |
5449 | const char *tmpdir; | |
5450 | char filename[PATH_MAX]; | |
5451 | int fd, r; | |
5452 | ||
5453 | /* create temporary file to map stat to */ | |
5454 | tmpdir = getenv("TMPDIR"); | |
5455 | if (!tmpdir) | |
5456 | tmpdir = "/tmp"; | |
5457 | snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir); | |
5458 | fd = mkstemp(filename); | |
5459 | if (fd < 0) { | |
5460 | return fd; | |
5461 | } | |
5462 | unlink(filename); | |
5463 | ||
5464 | if ((r = fake_open->fill(cpu_env, fd))) { | |
5465 | close(fd); | |
5466 | return r; | |
5467 | } | |
5468 | lseek(fd, 0, SEEK_SET); | |
5469 | ||
5470 | return fd; | |
5471 | } | |
5472 | ||
0b2effd7 | 5473 | return get_errno(sys_openat(dirfd, path(pathname), flags, mode)); |
3be14d05 AG |
5474 | } |
5475 | ||
aecc8861 AG |
5476 | #define TIMER_MAGIC 0x0caf0000 |
5477 | #define TIMER_MAGIC_MASK 0xffff0000 | |
5478 | ||
5479 | /* Convert QEMU provided timer ID back to internal 16bit index format */ | |
5480 | static target_timer_t get_timer_id(abi_long arg) | |
5481 | { | |
5482 | target_timer_t timerid = arg; | |
5483 | ||
5484 | if ((timerid & TIMER_MAGIC_MASK) != TIMER_MAGIC) { | |
5485 | return -TARGET_EINVAL; | |
5486 | } | |
5487 | ||
5488 | timerid &= 0xffff; | |
5489 | ||
5490 | if (timerid >= ARRAY_SIZE(g_posix_timers)) { | |
5491 | return -TARGET_EINVAL; | |
5492 | } | |
5493 | ||
5494 | return timerid; | |
5495 | } | |
5496 | ||
0da46a6e TS |
5497 | /* do_syscall() should always have a single exit point at the end so |
5498 | that actions, such as logging of syscall results, can be performed. | |
5499 | All errnos that do_syscall() returns must be -TARGET_<errcode>. */ | |
992f48a0 BS |
5500 | abi_long do_syscall(void *cpu_env, int num, abi_long arg1, |
5501 | abi_long arg2, abi_long arg3, abi_long arg4, | |
5945cfcb PM |
5502 | abi_long arg5, abi_long arg6, abi_long arg7, |
5503 | abi_long arg8) | |
31e31b8a | 5504 | { |
182735ef | 5505 | CPUState *cpu = ENV_GET_CPU(cpu_env); |
992f48a0 | 5506 | abi_long ret; |
31e31b8a | 5507 | struct stat st; |
56c8f68f | 5508 | struct statfs stfs; |
53a5960a | 5509 | void *p; |
3b46e624 | 5510 | |
72f03900 | 5511 | #ifdef DEBUG |
c573ff67 | 5512 | gemu_log("syscall %d", num); |
72f03900 | 5513 | #endif |
b92c47c1 TS |
5514 | if(do_strace) |
5515 | print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6); | |
5516 | ||
31e31b8a FB |
5517 | switch(num) { |
5518 | case TARGET_NR_exit: | |
9b056fcc AF |
5519 | /* In old applications this may be used to implement _exit(2). |
5520 | However in threaded applictions it is used for thread termination, | |
5521 | and _exit_group is used for application termination. | |
5522 | Do thread termination if we have more then one thread. */ | |
5523 | /* FIXME: This probably breaks if a signal arrives. We should probably | |
5524 | be disabling signals. */ | |
bdc44640 | 5525 | if (CPU_NEXT(first_cpu)) { |
9b056fcc | 5526 | TaskState *ts; |
9b056fcc AF |
5527 | |
5528 | cpu_list_lock(); | |
9b056fcc | 5529 | /* Remove the CPU from the list. */ |
bdc44640 | 5530 | QTAILQ_REMOVE(&cpus, cpu, node); |
9b056fcc | 5531 | cpu_list_unlock(); |
0429a971 | 5532 | ts = cpu->opaque; |
9b056fcc AF |
5533 | if (ts->child_tidptr) { |
5534 | put_user_u32(0, ts->child_tidptr); | |
5535 | sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX, | |
5536 | NULL, NULL, 0); | |
5537 | } | |
a2247f8e | 5538 | thread_cpu = NULL; |
0429a971 | 5539 | object_unref(OBJECT(cpu)); |
9b056fcc AF |
5540 | g_free(ts); |
5541 | pthread_exit(NULL); | |
5542 | } | |
9788c9ca | 5543 | #ifdef TARGET_GPROF |
7d13299d FB |
5544 | _mcleanup(); |
5545 | #endif | |
e9009676 | 5546 | gdb_exit(cpu_env, arg1); |
c2764719 | 5547 | _exit(arg1); |
31e31b8a FB |
5548 | ret = 0; /* avoid warning */ |
5549 | break; | |
5550 | case TARGET_NR_read: | |
38d840e6 AJ |
5551 | if (arg3 == 0) |
5552 | ret = 0; | |
5553 | else { | |
5554 | if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) | |
5555 | goto efault; | |
5556 | ret = get_errno(read(arg1, p, arg3)); | |
5557 | unlock_user(p, arg2, ret); | |
5558 | } | |
31e31b8a FB |
5559 | break; |
5560 | case TARGET_NR_write: | |
579a97f7 FB |
5561 | if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
5562 | goto efault; | |
53a5960a PB |
5563 | ret = get_errno(write(arg1, p, arg3)); |
5564 | unlock_user(p, arg2, 0); | |
31e31b8a FB |
5565 | break; |
5566 | case TARGET_NR_open: | |
2f619698 FB |
5567 | if (!(p = lock_user_string(arg1))) |
5568 | goto efault; | |
0b2effd7 RV |
5569 | ret = get_errno(do_openat(cpu_env, AT_FDCWD, p, |
5570 | target_to_host_bitmask(arg2, fcntl_flags_tbl), | |
5571 | arg3)); | |
53a5960a | 5572 | unlock_user(p, arg1, 0); |
31e31b8a | 5573 | break; |
82424832 | 5574 | case TARGET_NR_openat: |
579a97f7 FB |
5575 | if (!(p = lock_user_string(arg2))) |
5576 | goto efault; | |
0b2effd7 RV |
5577 | ret = get_errno(do_openat(cpu_env, arg1, p, |
5578 | target_to_host_bitmask(arg3, fcntl_flags_tbl), | |
5579 | arg4)); | |
579a97f7 | 5580 | unlock_user(p, arg2, 0); |
82424832 | 5581 | break; |
31e31b8a FB |
5582 | case TARGET_NR_close: |
5583 | ret = get_errno(close(arg1)); | |
5584 | break; | |
5585 | case TARGET_NR_brk: | |
53a5960a | 5586 | ret = do_brk(arg1); |
31e31b8a FB |
5587 | break; |
5588 | case TARGET_NR_fork: | |
d865bab5 | 5589 | ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0)); |
31e31b8a | 5590 | break; |
e5febef5 | 5591 | #ifdef TARGET_NR_waitpid |
31e31b8a FB |
5592 | case TARGET_NR_waitpid: |
5593 | { | |
53a5960a PB |
5594 | int status; |
5595 | ret = get_errno(waitpid(arg1, &status, arg3)); | |
5379557b | 5596 | if (!is_error(ret) && arg2 && ret |
1d9d8b55 | 5597 | && put_user_s32(host_to_target_waitstatus(status), arg2)) |
2f619698 | 5598 | goto efault; |
31e31b8a FB |
5599 | } |
5600 | break; | |
e5febef5 | 5601 | #endif |
f0cbb613 PB |
5602 | #ifdef TARGET_NR_waitid |
5603 | case TARGET_NR_waitid: | |
5604 | { | |
5605 | siginfo_t info; | |
5606 | info.si_pid = 0; | |
5607 | ret = get_errno(waitid(arg1, arg2, &info, arg4)); | |
5608 | if (!is_error(ret) && arg3 && info.si_pid != 0) { | |
c227f099 | 5609 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0))) |
f0cbb613 PB |
5610 | goto efault; |
5611 | host_to_target_siginfo(p, &info); | |
c227f099 | 5612 | unlock_user(p, arg3, sizeof(target_siginfo_t)); |
f0cbb613 PB |
5613 | } |
5614 | } | |
5615 | break; | |
5616 | #endif | |
7a3148a9 | 5617 | #ifdef TARGET_NR_creat /* not on alpha */ |
31e31b8a | 5618 | case TARGET_NR_creat: |
579a97f7 FB |
5619 | if (!(p = lock_user_string(arg1))) |
5620 | goto efault; | |
53a5960a PB |
5621 | ret = get_errno(creat(p, arg2)); |
5622 | unlock_user(p, arg1, 0); | |
31e31b8a | 5623 | break; |
7a3148a9 | 5624 | #endif |
31e31b8a | 5625 | case TARGET_NR_link: |
53a5960a PB |
5626 | { |
5627 | void * p2; | |
5628 | p = lock_user_string(arg1); | |
5629 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
5630 | if (!p || !p2) |
5631 | ret = -TARGET_EFAULT; | |
5632 | else | |
5633 | ret = get_errno(link(p, p2)); | |
53a5960a PB |
5634 | unlock_user(p2, arg2, 0); |
5635 | unlock_user(p, arg1, 0); | |
5636 | } | |
31e31b8a | 5637 | break; |
c0d472b1 | 5638 | #if defined(TARGET_NR_linkat) |
64f0ce4c | 5639 | case TARGET_NR_linkat: |
64f0ce4c TS |
5640 | { |
5641 | void * p2 = NULL; | |
579a97f7 FB |
5642 | if (!arg2 || !arg4) |
5643 | goto efault; | |
64f0ce4c TS |
5644 | p = lock_user_string(arg2); |
5645 | p2 = lock_user_string(arg4); | |
579a97f7 | 5646 | if (!p || !p2) |
0da46a6e | 5647 | ret = -TARGET_EFAULT; |
64f0ce4c | 5648 | else |
c0d472b1 | 5649 | ret = get_errno(linkat(arg1, p, arg3, p2, arg5)); |
579a97f7 FB |
5650 | unlock_user(p, arg2, 0); |
5651 | unlock_user(p2, arg4, 0); | |
64f0ce4c TS |
5652 | } |
5653 | break; | |
5654 | #endif | |
31e31b8a | 5655 | case TARGET_NR_unlink: |
579a97f7 FB |
5656 | if (!(p = lock_user_string(arg1))) |
5657 | goto efault; | |
53a5960a PB |
5658 | ret = get_errno(unlink(p)); |
5659 | unlock_user(p, arg1, 0); | |
31e31b8a | 5660 | break; |
c0d472b1 | 5661 | #if defined(TARGET_NR_unlinkat) |
8170f56b | 5662 | case TARGET_NR_unlinkat: |
579a97f7 FB |
5663 | if (!(p = lock_user_string(arg2))) |
5664 | goto efault; | |
c0d472b1 | 5665 | ret = get_errno(unlinkat(arg1, p, arg3)); |
579a97f7 | 5666 | unlock_user(p, arg2, 0); |
ed494d87 | 5667 | break; |
b7d35e65 | 5668 | #endif |
31e31b8a | 5669 | case TARGET_NR_execve: |
7854b056 FB |
5670 | { |
5671 | char **argp, **envp; | |
f7341ff4 | 5672 | int argc, envc; |
992f48a0 BS |
5673 | abi_ulong gp; |
5674 | abi_ulong guest_argp; | |
5675 | abi_ulong guest_envp; | |
5676 | abi_ulong addr; | |
7854b056 | 5677 | char **q; |
a6f79cc9 | 5678 | int total_size = 0; |
7854b056 | 5679 | |
f7341ff4 | 5680 | argc = 0; |
53a5960a | 5681 | guest_argp = arg2; |
da94d263 | 5682 | for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) { |
03aa1976 | 5683 | if (get_user_ual(addr, gp)) |
2f619698 | 5684 | goto efault; |
03aa1976 | 5685 | if (!addr) |
2f619698 | 5686 | break; |
7854b056 | 5687 | argc++; |
2f619698 | 5688 | } |
f7341ff4 | 5689 | envc = 0; |
53a5960a | 5690 | guest_envp = arg3; |
da94d263 | 5691 | for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) { |
03aa1976 | 5692 | if (get_user_ual(addr, gp)) |
2f619698 | 5693 | goto efault; |
03aa1976 | 5694 | if (!addr) |
2f619698 | 5695 | break; |
7854b056 | 5696 | envc++; |
2f619698 | 5697 | } |
7854b056 | 5698 | |
f7341ff4 FB |
5699 | argp = alloca((argc + 1) * sizeof(void *)); |
5700 | envp = alloca((envc + 1) * sizeof(void *)); | |
7854b056 | 5701 | |
da94d263 | 5702 | for (gp = guest_argp, q = argp; gp; |
992f48a0 | 5703 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
5704 | if (get_user_ual(addr, gp)) |
5705 | goto execve_efault; | |
53a5960a PB |
5706 | if (!addr) |
5707 | break; | |
2f619698 FB |
5708 | if (!(*q = lock_user_string(addr))) |
5709 | goto execve_efault; | |
a6f79cc9 | 5710 | total_size += strlen(*q) + 1; |
53a5960a | 5711 | } |
f7341ff4 FB |
5712 | *q = NULL; |
5713 | ||
da94d263 | 5714 | for (gp = guest_envp, q = envp; gp; |
992f48a0 | 5715 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
5716 | if (get_user_ual(addr, gp)) |
5717 | goto execve_efault; | |
53a5960a PB |
5718 | if (!addr) |
5719 | break; | |
2f619698 FB |
5720 | if (!(*q = lock_user_string(addr))) |
5721 | goto execve_efault; | |
a6f79cc9 | 5722 | total_size += strlen(*q) + 1; |
53a5960a | 5723 | } |
f7341ff4 | 5724 | *q = NULL; |
7854b056 | 5725 | |
a6f79cc9 UH |
5726 | /* This case will not be caught by the host's execve() if its |
5727 | page size is bigger than the target's. */ | |
5728 | if (total_size > MAX_ARG_PAGES * TARGET_PAGE_SIZE) { | |
5729 | ret = -TARGET_E2BIG; | |
5730 | goto execve_end; | |
5731 | } | |
2f619698 FB |
5732 | if (!(p = lock_user_string(arg1))) |
5733 | goto execve_efault; | |
53a5960a PB |
5734 | ret = get_errno(execve(p, argp, envp)); |
5735 | unlock_user(p, arg1, 0); | |
5736 | ||
2f619698 FB |
5737 | goto execve_end; |
5738 | ||
5739 | execve_efault: | |
5740 | ret = -TARGET_EFAULT; | |
5741 | ||
5742 | execve_end: | |
53a5960a | 5743 | for (gp = guest_argp, q = argp; *q; |
992f48a0 | 5744 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
5745 | if (get_user_ual(addr, gp) |
5746 | || !addr) | |
5747 | break; | |
53a5960a PB |
5748 | unlock_user(*q, addr, 0); |
5749 | } | |
5750 | for (gp = guest_envp, q = envp; *q; | |
992f48a0 | 5751 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
5752 | if (get_user_ual(addr, gp) |
5753 | || !addr) | |
5754 | break; | |
53a5960a PB |
5755 | unlock_user(*q, addr, 0); |
5756 | } | |
7854b056 | 5757 | } |
31e31b8a FB |
5758 | break; |
5759 | case TARGET_NR_chdir: | |
579a97f7 FB |
5760 | if (!(p = lock_user_string(arg1))) |
5761 | goto efault; | |
53a5960a PB |
5762 | ret = get_errno(chdir(p)); |
5763 | unlock_user(p, arg1, 0); | |
31e31b8a | 5764 | break; |
a315a145 | 5765 | #ifdef TARGET_NR_time |
31e31b8a FB |
5766 | case TARGET_NR_time: |
5767 | { | |
53a5960a PB |
5768 | time_t host_time; |
5769 | ret = get_errno(time(&host_time)); | |
2f619698 FB |
5770 | if (!is_error(ret) |
5771 | && arg1 | |
5772 | && put_user_sal(host_time, arg1)) | |
5773 | goto efault; | |
31e31b8a FB |
5774 | } |
5775 | break; | |
a315a145 | 5776 | #endif |
31e31b8a | 5777 | case TARGET_NR_mknod: |
579a97f7 FB |
5778 | if (!(p = lock_user_string(arg1))) |
5779 | goto efault; | |
53a5960a PB |
5780 | ret = get_errno(mknod(p, arg2, arg3)); |
5781 | unlock_user(p, arg1, 0); | |
31e31b8a | 5782 | break; |
c0d472b1 | 5783 | #if defined(TARGET_NR_mknodat) |
75ac37a0 | 5784 | case TARGET_NR_mknodat: |
579a97f7 FB |
5785 | if (!(p = lock_user_string(arg2))) |
5786 | goto efault; | |
c0d472b1 | 5787 | ret = get_errno(mknodat(arg1, p, arg3, arg4)); |
579a97f7 | 5788 | unlock_user(p, arg2, 0); |
75ac37a0 TS |
5789 | break; |
5790 | #endif | |
31e31b8a | 5791 | case TARGET_NR_chmod: |
579a97f7 FB |
5792 | if (!(p = lock_user_string(arg1))) |
5793 | goto efault; | |
53a5960a PB |
5794 | ret = get_errno(chmod(p, arg2)); |
5795 | unlock_user(p, arg1, 0); | |
31e31b8a | 5796 | break; |
ebc05488 | 5797 | #ifdef TARGET_NR_break |
31e31b8a FB |
5798 | case TARGET_NR_break: |
5799 | goto unimplemented; | |
ebc05488 FB |
5800 | #endif |
5801 | #ifdef TARGET_NR_oldstat | |
31e31b8a FB |
5802 | case TARGET_NR_oldstat: |
5803 | goto unimplemented; | |
ebc05488 | 5804 | #endif |
31e31b8a FB |
5805 | case TARGET_NR_lseek: |
5806 | ret = get_errno(lseek(arg1, arg2, arg3)); | |
5807 | break; | |
9231733a RH |
5808 | #if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA) |
5809 | /* Alpha specific */ | |
7a3148a9 | 5810 | case TARGET_NR_getxpid: |
9231733a RH |
5811 | ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid(); |
5812 | ret = get_errno(getpid()); | |
5813 | break; | |
7a3148a9 | 5814 | #endif |
9231733a RH |
5815 | #ifdef TARGET_NR_getpid |
5816 | case TARGET_NR_getpid: | |
31e31b8a FB |
5817 | ret = get_errno(getpid()); |
5818 | break; | |
9231733a | 5819 | #endif |
31e31b8a | 5820 | case TARGET_NR_mount: |
356d771b PB |
5821 | { |
5822 | /* need to look at the data field */ | |
5823 | void *p2, *p3; | |
5824 | ||
5825 | if (arg1) { | |
5826 | p = lock_user_string(arg1); | |
5827 | if (!p) { | |
5828 | goto efault; | |
5829 | } | |
5830 | } else { | |
5831 | p = NULL; | |
5832 | } | |
5833 | ||
5834 | p2 = lock_user_string(arg2); | |
5835 | if (!p2) { | |
5836 | if (arg1) { | |
5837 | unlock_user(p, arg1, 0); | |
5838 | } | |
5839 | goto efault; | |
5840 | } | |
5841 | ||
5842 | if (arg3) { | |
5843 | p3 = lock_user_string(arg3); | |
5844 | if (!p3) { | |
5845 | if (arg1) { | |
579a97f7 | 5846 | unlock_user(p, arg1, 0); |
356d771b PB |
5847 | } |
5848 | unlock_user(p2, arg2, 0); | |
5849 | goto efault; | |
5850 | } | |
5851 | } else { | |
5852 | p3 = NULL; | |
5853 | } | |
5854 | ||
5855 | /* FIXME - arg5 should be locked, but it isn't clear how to | |
5856 | * do that since it's not guaranteed to be a NULL-terminated | |
5857 | * string. | |
5858 | */ | |
5859 | if (!arg5) { | |
5860 | ret = mount(p, p2, p3, (unsigned long)arg4, NULL); | |
5861 | } else { | |
5862 | ret = mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)); | |
5863 | } | |
5864 | ret = get_errno(ret); | |
5865 | ||
5866 | if (arg1) { | |
5867 | unlock_user(p, arg1, 0); | |
5868 | } | |
5869 | unlock_user(p2, arg2, 0); | |
5870 | if (arg3) { | |
5871 | unlock_user(p3, arg3, 0); | |
5872 | } | |
5873 | } | |
5874 | break; | |
e5febef5 | 5875 | #ifdef TARGET_NR_umount |
31e31b8a | 5876 | case TARGET_NR_umount: |
579a97f7 FB |
5877 | if (!(p = lock_user_string(arg1))) |
5878 | goto efault; | |
53a5960a PB |
5879 | ret = get_errno(umount(p)); |
5880 | unlock_user(p, arg1, 0); | |
31e31b8a | 5881 | break; |
e5febef5 | 5882 | #endif |
7a3148a9 | 5883 | #ifdef TARGET_NR_stime /* not on alpha */ |
31e31b8a FB |
5884 | case TARGET_NR_stime: |
5885 | { | |
53a5960a | 5886 | time_t host_time; |
2f619698 FB |
5887 | if (get_user_sal(host_time, arg1)) |
5888 | goto efault; | |
53a5960a | 5889 | ret = get_errno(stime(&host_time)); |
31e31b8a FB |
5890 | } |
5891 | break; | |
7a3148a9 | 5892 | #endif |
31e31b8a FB |
5893 | case TARGET_NR_ptrace: |
5894 | goto unimplemented; | |
7a3148a9 | 5895 | #ifdef TARGET_NR_alarm /* not on alpha */ |
31e31b8a FB |
5896 | case TARGET_NR_alarm: |
5897 | ret = alarm(arg1); | |
5898 | break; | |
7a3148a9 | 5899 | #endif |
ebc05488 | 5900 | #ifdef TARGET_NR_oldfstat |
31e31b8a FB |
5901 | case TARGET_NR_oldfstat: |
5902 | goto unimplemented; | |
ebc05488 | 5903 | #endif |
7a3148a9 | 5904 | #ifdef TARGET_NR_pause /* not on alpha */ |
31e31b8a FB |
5905 | case TARGET_NR_pause: |
5906 | ret = get_errno(pause()); | |
5907 | break; | |
7a3148a9 | 5908 | #endif |
e5febef5 | 5909 | #ifdef TARGET_NR_utime |
31e31b8a | 5910 | case TARGET_NR_utime: |
ebc05488 | 5911 | { |
53a5960a PB |
5912 | struct utimbuf tbuf, *host_tbuf; |
5913 | struct target_utimbuf *target_tbuf; | |
5914 | if (arg2) { | |
579a97f7 FB |
5915 | if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1)) |
5916 | goto efault; | |
cbb21eed MB |
5917 | tbuf.actime = tswapal(target_tbuf->actime); |
5918 | tbuf.modtime = tswapal(target_tbuf->modtime); | |
53a5960a PB |
5919 | unlock_user_struct(target_tbuf, arg2, 0); |
5920 | host_tbuf = &tbuf; | |
f72e8ff4 | 5921 | } else { |
53a5960a | 5922 | host_tbuf = NULL; |
f72e8ff4 | 5923 | } |
579a97f7 FB |
5924 | if (!(p = lock_user_string(arg1))) |
5925 | goto efault; | |
53a5960a PB |
5926 | ret = get_errno(utime(p, host_tbuf)); |
5927 | unlock_user(p, arg1, 0); | |
ebc05488 FB |
5928 | } |
5929 | break; | |
e5febef5 | 5930 | #endif |
978a66ff FB |
5931 | case TARGET_NR_utimes: |
5932 | { | |
978a66ff | 5933 | struct timeval *tvp, tv[2]; |
53a5960a | 5934 | if (arg2) { |
788f5ec4 TS |
5935 | if (copy_from_user_timeval(&tv[0], arg2) |
5936 | || copy_from_user_timeval(&tv[1], | |
5937 | arg2 + sizeof(struct target_timeval))) | |
5938 | goto efault; | |
978a66ff FB |
5939 | tvp = tv; |
5940 | } else { | |
5941 | tvp = NULL; | |
5942 | } | |
579a97f7 FB |
5943 | if (!(p = lock_user_string(arg1))) |
5944 | goto efault; | |
53a5960a PB |
5945 | ret = get_errno(utimes(p, tvp)); |
5946 | unlock_user(p, arg1, 0); | |
978a66ff FB |
5947 | } |
5948 | break; | |
c0d472b1 | 5949 | #if defined(TARGET_NR_futimesat) |
ac8a6556 AZ |
5950 | case TARGET_NR_futimesat: |
5951 | { | |
5952 | struct timeval *tvp, tv[2]; | |
5953 | if (arg3) { | |
5954 | if (copy_from_user_timeval(&tv[0], arg3) | |
5955 | || copy_from_user_timeval(&tv[1], | |
5956 | arg3 + sizeof(struct target_timeval))) | |
5957 | goto efault; | |
5958 | tvp = tv; | |
5959 | } else { | |
5960 | tvp = NULL; | |
5961 | } | |
5962 | if (!(p = lock_user_string(arg2))) | |
5963 | goto efault; | |
c0d472b1 | 5964 | ret = get_errno(futimesat(arg1, path(p), tvp)); |
ac8a6556 AZ |
5965 | unlock_user(p, arg2, 0); |
5966 | } | |
5967 | break; | |
5968 | #endif | |
ebc05488 | 5969 | #ifdef TARGET_NR_stty |
31e31b8a FB |
5970 | case TARGET_NR_stty: |
5971 | goto unimplemented; | |
ebc05488 FB |
5972 | #endif |
5973 | #ifdef TARGET_NR_gtty | |
31e31b8a FB |
5974 | case TARGET_NR_gtty: |
5975 | goto unimplemented; | |
ebc05488 | 5976 | #endif |
31e31b8a | 5977 | case TARGET_NR_access: |
579a97f7 FB |
5978 | if (!(p = lock_user_string(arg1))) |
5979 | goto efault; | |
719f908e | 5980 | ret = get_errno(access(path(p), arg2)); |
53a5960a | 5981 | unlock_user(p, arg1, 0); |
31e31b8a | 5982 | break; |
92a34c10 TS |
5983 | #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat) |
5984 | case TARGET_NR_faccessat: | |
579a97f7 FB |
5985 | if (!(p = lock_user_string(arg2))) |
5986 | goto efault; | |
c0d472b1 | 5987 | ret = get_errno(faccessat(arg1, p, arg3, 0)); |
579a97f7 | 5988 | unlock_user(p, arg2, 0); |
92a34c10 TS |
5989 | break; |
5990 | #endif | |
7a3148a9 | 5991 | #ifdef TARGET_NR_nice /* not on alpha */ |
31e31b8a FB |
5992 | case TARGET_NR_nice: |
5993 | ret = get_errno(nice(arg1)); | |
5994 | break; | |
7a3148a9 | 5995 | #endif |
ebc05488 | 5996 | #ifdef TARGET_NR_ftime |
31e31b8a FB |
5997 | case TARGET_NR_ftime: |
5998 | goto unimplemented; | |
ebc05488 | 5999 | #endif |
31e31b8a | 6000 | case TARGET_NR_sync: |
04369ff2 FB |
6001 | sync(); |
6002 | ret = 0; | |
31e31b8a FB |
6003 | break; |
6004 | case TARGET_NR_kill: | |
4cb05961 | 6005 | ret = get_errno(kill(arg1, target_to_host_signal(arg2))); |
31e31b8a FB |
6006 | break; |
6007 | case TARGET_NR_rename: | |
53a5960a PB |
6008 | { |
6009 | void *p2; | |
6010 | p = lock_user_string(arg1); | |
6011 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
6012 | if (!p || !p2) |
6013 | ret = -TARGET_EFAULT; | |
6014 | else | |
6015 | ret = get_errno(rename(p, p2)); | |
53a5960a PB |
6016 | unlock_user(p2, arg2, 0); |
6017 | unlock_user(p, arg1, 0); | |
6018 | } | |
31e31b8a | 6019 | break; |
c0d472b1 | 6020 | #if defined(TARGET_NR_renameat) |
722183f6 | 6021 | case TARGET_NR_renameat: |
722183f6 | 6022 | { |
579a97f7 | 6023 | void *p2; |
722183f6 TS |
6024 | p = lock_user_string(arg2); |
6025 | p2 = lock_user_string(arg4); | |
579a97f7 | 6026 | if (!p || !p2) |
0da46a6e | 6027 | ret = -TARGET_EFAULT; |
722183f6 | 6028 | else |
c0d472b1 | 6029 | ret = get_errno(renameat(arg1, p, arg3, p2)); |
579a97f7 FB |
6030 | unlock_user(p2, arg4, 0); |
6031 | unlock_user(p, arg2, 0); | |
722183f6 TS |
6032 | } |
6033 | break; | |
6034 | #endif | |
31e31b8a | 6035 | case TARGET_NR_mkdir: |
579a97f7 FB |
6036 | if (!(p = lock_user_string(arg1))) |
6037 | goto efault; | |
53a5960a PB |
6038 | ret = get_errno(mkdir(p, arg2)); |
6039 | unlock_user(p, arg1, 0); | |
31e31b8a | 6040 | break; |
c0d472b1 | 6041 | #if defined(TARGET_NR_mkdirat) |
4472ad0d | 6042 | case TARGET_NR_mkdirat: |
579a97f7 FB |
6043 | if (!(p = lock_user_string(arg2))) |
6044 | goto efault; | |
c0d472b1 | 6045 | ret = get_errno(mkdirat(arg1, p, arg3)); |
579a97f7 | 6046 | unlock_user(p, arg2, 0); |
4472ad0d TS |
6047 | break; |
6048 | #endif | |
31e31b8a | 6049 | case TARGET_NR_rmdir: |
579a97f7 FB |
6050 | if (!(p = lock_user_string(arg1))) |
6051 | goto efault; | |
53a5960a PB |
6052 | ret = get_errno(rmdir(p)); |
6053 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
6054 | break; |
6055 | case TARGET_NR_dup: | |
6056 | ret = get_errno(dup(arg1)); | |
6057 | break; | |
6058 | case TARGET_NR_pipe: | |
fb41a66e | 6059 | ret = do_pipe(cpu_env, arg1, 0, 0); |
099d6b0f RV |
6060 | break; |
6061 | #ifdef TARGET_NR_pipe2 | |
6062 | case TARGET_NR_pipe2: | |
e7ea6cbe RH |
6063 | ret = do_pipe(cpu_env, arg1, |
6064 | target_to_host_bitmask(arg2, fcntl_flags_tbl), 1); | |
31e31b8a | 6065 | break; |
099d6b0f | 6066 | #endif |
31e31b8a | 6067 | case TARGET_NR_times: |
32f36bce | 6068 | { |
53a5960a | 6069 | struct target_tms *tmsp; |
32f36bce FB |
6070 | struct tms tms; |
6071 | ret = get_errno(times(&tms)); | |
53a5960a | 6072 | if (arg1) { |
579a97f7 FB |
6073 | tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0); |
6074 | if (!tmsp) | |
6075 | goto efault; | |
cbb21eed MB |
6076 | tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime)); |
6077 | tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime)); | |
6078 | tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime)); | |
6079 | tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime)); | |
32f36bce | 6080 | } |
c596ed17 FB |
6081 | if (!is_error(ret)) |
6082 | ret = host_to_target_clock_t(ret); | |
32f36bce FB |
6083 | } |
6084 | break; | |
ebc05488 | 6085 | #ifdef TARGET_NR_prof |
31e31b8a FB |
6086 | case TARGET_NR_prof: |
6087 | goto unimplemented; | |
ebc05488 | 6088 | #endif |
e5febef5 | 6089 | #ifdef TARGET_NR_signal |
31e31b8a FB |
6090 | case TARGET_NR_signal: |
6091 | goto unimplemented; | |
e5febef5 | 6092 | #endif |
31e31b8a | 6093 | case TARGET_NR_acct: |
38d840e6 AJ |
6094 | if (arg1 == 0) { |
6095 | ret = get_errno(acct(NULL)); | |
6096 | } else { | |
6097 | if (!(p = lock_user_string(arg1))) | |
6098 | goto efault; | |
6099 | ret = get_errno(acct(path(p))); | |
6100 | unlock_user(p, arg1, 0); | |
6101 | } | |
24836689 | 6102 | break; |
8070e7be | 6103 | #ifdef TARGET_NR_umount2 |
31e31b8a | 6104 | case TARGET_NR_umount2: |
579a97f7 FB |
6105 | if (!(p = lock_user_string(arg1))) |
6106 | goto efault; | |
53a5960a PB |
6107 | ret = get_errno(umount2(p, arg2)); |
6108 | unlock_user(p, arg1, 0); | |
31e31b8a | 6109 | break; |
7a3148a9 | 6110 | #endif |
ebc05488 | 6111 | #ifdef TARGET_NR_lock |
31e31b8a FB |
6112 | case TARGET_NR_lock: |
6113 | goto unimplemented; | |
ebc05488 | 6114 | #endif |
31e31b8a FB |
6115 | case TARGET_NR_ioctl: |
6116 | ret = do_ioctl(arg1, arg2, arg3); | |
6117 | break; | |
6118 | case TARGET_NR_fcntl: | |
9ee1fa2c | 6119 | ret = do_fcntl(arg1, arg2, arg3); |
31e31b8a | 6120 | break; |
ebc05488 | 6121 | #ifdef TARGET_NR_mpx |
31e31b8a FB |
6122 | case TARGET_NR_mpx: |
6123 | goto unimplemented; | |
ebc05488 | 6124 | #endif |
31e31b8a FB |
6125 | case TARGET_NR_setpgid: |
6126 | ret = get_errno(setpgid(arg1, arg2)); | |
6127 | break; | |
ebc05488 | 6128 | #ifdef TARGET_NR_ulimit |
31e31b8a FB |
6129 | case TARGET_NR_ulimit: |
6130 | goto unimplemented; | |
ebc05488 FB |
6131 | #endif |
6132 | #ifdef TARGET_NR_oldolduname | |
31e31b8a FB |
6133 | case TARGET_NR_oldolduname: |
6134 | goto unimplemented; | |
ebc05488 | 6135 | #endif |
31e31b8a FB |
6136 | case TARGET_NR_umask: |
6137 | ret = get_errno(umask(arg1)); | |
6138 | break; | |
6139 | case TARGET_NR_chroot: | |
579a97f7 FB |
6140 | if (!(p = lock_user_string(arg1))) |
6141 | goto efault; | |
53a5960a PB |
6142 | ret = get_errno(chroot(p)); |
6143 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
6144 | break; |
6145 | case TARGET_NR_ustat: | |
6146 | goto unimplemented; | |
6147 | case TARGET_NR_dup2: | |
6148 | ret = get_errno(dup2(arg1, arg2)); | |
6149 | break; | |
d0927938 UH |
6150 | #if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3) |
6151 | case TARGET_NR_dup3: | |
6152 | ret = get_errno(dup3(arg1, arg2, arg3)); | |
6153 | break; | |
6154 | #endif | |
7a3148a9 | 6155 | #ifdef TARGET_NR_getppid /* not on alpha */ |
31e31b8a FB |
6156 | case TARGET_NR_getppid: |
6157 | ret = get_errno(getppid()); | |
6158 | break; | |
7a3148a9 | 6159 | #endif |
31e31b8a FB |
6160 | case TARGET_NR_getpgrp: |
6161 | ret = get_errno(getpgrp()); | |
6162 | break; | |
6163 | case TARGET_NR_setsid: | |
6164 | ret = get_errno(setsid()); | |
6165 | break; | |
e5febef5 | 6166 | #ifdef TARGET_NR_sigaction |
31e31b8a | 6167 | case TARGET_NR_sigaction: |
31e31b8a | 6168 | { |
6049f4f8 RH |
6169 | #if defined(TARGET_ALPHA) |
6170 | struct target_sigaction act, oact, *pact = 0; | |
53a5960a | 6171 | struct target_old_sigaction *old_act; |
53a5960a | 6172 | if (arg2) { |
579a97f7 FB |
6173 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
6174 | goto efault; | |
66fb9763 FB |
6175 | act._sa_handler = old_act->_sa_handler; |
6176 | target_siginitset(&act.sa_mask, old_act->sa_mask); | |
6177 | act.sa_flags = old_act->sa_flags; | |
6049f4f8 | 6178 | act.sa_restorer = 0; |
53a5960a | 6179 | unlock_user_struct(old_act, arg2, 0); |
66fb9763 | 6180 | pact = &act; |
66fb9763 FB |
6181 | } |
6182 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
53a5960a | 6183 | if (!is_error(ret) && arg3) { |
579a97f7 FB |
6184 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
6185 | goto efault; | |
53a5960a PB |
6186 | old_act->_sa_handler = oact._sa_handler; |
6187 | old_act->sa_mask = oact.sa_mask.sig[0]; | |
6188 | old_act->sa_flags = oact.sa_flags; | |
53a5960a | 6189 | unlock_user_struct(old_act, arg3, 1); |
66fb9763 | 6190 | } |
6049f4f8 | 6191 | #elif defined(TARGET_MIPS) |
106ec879 FB |
6192 | struct target_sigaction act, oact, *pact, *old_act; |
6193 | ||
6194 | if (arg2) { | |
579a97f7 FB |
6195 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
6196 | goto efault; | |
106ec879 FB |
6197 | act._sa_handler = old_act->_sa_handler; |
6198 | target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]); | |
6199 | act.sa_flags = old_act->sa_flags; | |
6200 | unlock_user_struct(old_act, arg2, 0); | |
6201 | pact = &act; | |
6202 | } else { | |
6203 | pact = NULL; | |
6204 | } | |
6205 | ||
6206 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
6207 | ||
6208 | if (!is_error(ret) && arg3) { | |
579a97f7 FB |
6209 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
6210 | goto efault; | |
106ec879 FB |
6211 | old_act->_sa_handler = oact._sa_handler; |
6212 | old_act->sa_flags = oact.sa_flags; | |
6213 | old_act->sa_mask.sig[0] = oact.sa_mask.sig[0]; | |
6214 | old_act->sa_mask.sig[1] = 0; | |
6215 | old_act->sa_mask.sig[2] = 0; | |
6216 | old_act->sa_mask.sig[3] = 0; | |
6217 | unlock_user_struct(old_act, arg3, 1); | |
6218 | } | |
6049f4f8 RH |
6219 | #else |
6220 | struct target_old_sigaction *old_act; | |
6221 | struct target_sigaction act, oact, *pact; | |
6222 | if (arg2) { | |
6223 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) | |
6224 | goto efault; | |
6225 | act._sa_handler = old_act->_sa_handler; | |
6226 | target_siginitset(&act.sa_mask, old_act->sa_mask); | |
6227 | act.sa_flags = old_act->sa_flags; | |
6228 | act.sa_restorer = old_act->sa_restorer; | |
6229 | unlock_user_struct(old_act, arg2, 0); | |
6230 | pact = &act; | |
6231 | } else { | |
6232 | pact = NULL; | |
6233 | } | |
6234 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
6235 | if (!is_error(ret) && arg3) { | |
6236 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) | |
6237 | goto efault; | |
6238 | old_act->_sa_handler = oact._sa_handler; | |
6239 | old_act->sa_mask = oact.sa_mask.sig[0]; | |
6240 | old_act->sa_flags = oact.sa_flags; | |
6241 | old_act->sa_restorer = oact.sa_restorer; | |
6242 | unlock_user_struct(old_act, arg3, 1); | |
6243 | } | |
388bb21a | 6244 | #endif |
31e31b8a FB |
6245 | } |
6246 | break; | |
e5febef5 | 6247 | #endif |
66fb9763 | 6248 | case TARGET_NR_rt_sigaction: |
53a5960a | 6249 | { |
6049f4f8 RH |
6250 | #if defined(TARGET_ALPHA) |
6251 | struct target_sigaction act, oact, *pact = 0; | |
6252 | struct target_rt_sigaction *rt_act; | |
6253 | /* ??? arg4 == sizeof(sigset_t). */ | |
6254 | if (arg2) { | |
6255 | if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1)) | |
6256 | goto efault; | |
6257 | act._sa_handler = rt_act->_sa_handler; | |
6258 | act.sa_mask = rt_act->sa_mask; | |
6259 | act.sa_flags = rt_act->sa_flags; | |
6260 | act.sa_restorer = arg5; | |
6261 | unlock_user_struct(rt_act, arg2, 0); | |
6262 | pact = &act; | |
6263 | } | |
6264 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
6265 | if (!is_error(ret) && arg3) { | |
6266 | if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0)) | |
6267 | goto efault; | |
6268 | rt_act->_sa_handler = oact._sa_handler; | |
6269 | rt_act->sa_mask = oact.sa_mask; | |
6270 | rt_act->sa_flags = oact.sa_flags; | |
6271 | unlock_user_struct(rt_act, arg3, 1); | |
6272 | } | |
6273 | #else | |
53a5960a PB |
6274 | struct target_sigaction *act; |
6275 | struct target_sigaction *oact; | |
6276 | ||
579a97f7 FB |
6277 | if (arg2) { |
6278 | if (!lock_user_struct(VERIFY_READ, act, arg2, 1)) | |
6279 | goto efault; | |
6280 | } else | |
53a5960a | 6281 | act = NULL; |
579a97f7 FB |
6282 | if (arg3) { |
6283 | if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) { | |
6284 | ret = -TARGET_EFAULT; | |
6285 | goto rt_sigaction_fail; | |
6286 | } | |
6287 | } else | |
53a5960a PB |
6288 | oact = NULL; |
6289 | ret = get_errno(do_sigaction(arg1, act, oact)); | |
579a97f7 FB |
6290 | rt_sigaction_fail: |
6291 | if (act) | |
53a5960a | 6292 | unlock_user_struct(act, arg2, 0); |
579a97f7 | 6293 | if (oact) |
53a5960a | 6294 | unlock_user_struct(oact, arg3, 1); |
6049f4f8 | 6295 | #endif |
53a5960a | 6296 | } |
66fb9763 | 6297 | break; |
7a3148a9 | 6298 | #ifdef TARGET_NR_sgetmask /* not on alpha */ |
31e31b8a | 6299 | case TARGET_NR_sgetmask: |
66fb9763 FB |
6300 | { |
6301 | sigset_t cur_set; | |
992f48a0 | 6302 | abi_ulong target_set; |
1c275925 | 6303 | do_sigprocmask(0, NULL, &cur_set); |
66fb9763 FB |
6304 | host_to_target_old_sigset(&target_set, &cur_set); |
6305 | ret = target_set; | |
6306 | } | |
6307 | break; | |
7a3148a9 JM |
6308 | #endif |
6309 | #ifdef TARGET_NR_ssetmask /* not on alpha */ | |
31e31b8a | 6310 | case TARGET_NR_ssetmask: |
66fb9763 FB |
6311 | { |
6312 | sigset_t set, oset, cur_set; | |
992f48a0 | 6313 | abi_ulong target_set = arg1; |
1c275925 | 6314 | do_sigprocmask(0, NULL, &cur_set); |
66fb9763 FB |
6315 | target_to_host_old_sigset(&set, &target_set); |
6316 | sigorset(&set, &set, &cur_set); | |
1c275925 | 6317 | do_sigprocmask(SIG_SETMASK, &set, &oset); |
66fb9763 FB |
6318 | host_to_target_old_sigset(&target_set, &oset); |
6319 | ret = target_set; | |
6320 | } | |
6321 | break; | |
7a3148a9 | 6322 | #endif |
e5febef5 | 6323 | #ifdef TARGET_NR_sigprocmask |
66fb9763 FB |
6324 | case TARGET_NR_sigprocmask: |
6325 | { | |
a5b3b13b RH |
6326 | #if defined(TARGET_ALPHA) |
6327 | sigset_t set, oldset; | |
6328 | abi_ulong mask; | |
6329 | int how; | |
6330 | ||
6331 | switch (arg1) { | |
6332 | case TARGET_SIG_BLOCK: | |
6333 | how = SIG_BLOCK; | |
6334 | break; | |
6335 | case TARGET_SIG_UNBLOCK: | |
6336 | how = SIG_UNBLOCK; | |
6337 | break; | |
6338 | case TARGET_SIG_SETMASK: | |
6339 | how = SIG_SETMASK; | |
6340 | break; | |
6341 | default: | |
6342 | ret = -TARGET_EINVAL; | |
6343 | goto fail; | |
6344 | } | |
6345 | mask = arg2; | |
6346 | target_to_host_old_sigset(&set, &mask); | |
6347 | ||
1c275925 | 6348 | ret = get_errno(do_sigprocmask(how, &set, &oldset)); |
a5b3b13b RH |
6349 | if (!is_error(ret)) { |
6350 | host_to_target_old_sigset(&mask, &oldset); | |
6351 | ret = mask; | |
0229f5a3 | 6352 | ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; /* force no error */ |
a5b3b13b RH |
6353 | } |
6354 | #else | |
66fb9763 | 6355 | sigset_t set, oldset, *set_ptr; |
a5b3b13b | 6356 | int how; |
3b46e624 | 6357 | |
53a5960a | 6358 | if (arg2) { |
a5b3b13b | 6359 | switch (arg1) { |
66fb9763 FB |
6360 | case TARGET_SIG_BLOCK: |
6361 | how = SIG_BLOCK; | |
6362 | break; | |
6363 | case TARGET_SIG_UNBLOCK: | |
6364 | how = SIG_UNBLOCK; | |
6365 | break; | |
6366 | case TARGET_SIG_SETMASK: | |
6367 | how = SIG_SETMASK; | |
6368 | break; | |
6369 | default: | |
0da46a6e | 6370 | ret = -TARGET_EINVAL; |
66fb9763 FB |
6371 | goto fail; |
6372 | } | |
c227f099 | 6373 | if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
579a97f7 | 6374 | goto efault; |
53a5960a PB |
6375 | target_to_host_old_sigset(&set, p); |
6376 | unlock_user(p, arg2, 0); | |
66fb9763 FB |
6377 | set_ptr = &set; |
6378 | } else { | |
6379 | how = 0; | |
6380 | set_ptr = NULL; | |
6381 | } | |
1c275925 | 6382 | ret = get_errno(do_sigprocmask(how, set_ptr, &oldset)); |
53a5960a | 6383 | if (!is_error(ret) && arg3) { |
c227f099 | 6384 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
579a97f7 | 6385 | goto efault; |
53a5960a | 6386 | host_to_target_old_sigset(p, &oldset); |
c227f099 | 6387 | unlock_user(p, arg3, sizeof(target_sigset_t)); |
66fb9763 | 6388 | } |
a5b3b13b | 6389 | #endif |
66fb9763 FB |
6390 | } |
6391 | break; | |
e5febef5 | 6392 | #endif |
66fb9763 FB |
6393 | case TARGET_NR_rt_sigprocmask: |
6394 | { | |
6395 | int how = arg1; | |
6396 | sigset_t set, oldset, *set_ptr; | |
3b46e624 | 6397 | |
53a5960a | 6398 | if (arg2) { |
66fb9763 FB |
6399 | switch(how) { |
6400 | case TARGET_SIG_BLOCK: | |
6401 | how = SIG_BLOCK; | |
6402 | break; | |
6403 | case TARGET_SIG_UNBLOCK: | |
6404 | how = SIG_UNBLOCK; | |
6405 | break; | |
6406 | case TARGET_SIG_SETMASK: | |
6407 | how = SIG_SETMASK; | |
6408 | break; | |
6409 | default: | |
0da46a6e | 6410 | ret = -TARGET_EINVAL; |
66fb9763 FB |
6411 | goto fail; |
6412 | } | |
c227f099 | 6413 | if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
579a97f7 | 6414 | goto efault; |
53a5960a PB |
6415 | target_to_host_sigset(&set, p); |
6416 | unlock_user(p, arg2, 0); | |
66fb9763 FB |
6417 | set_ptr = &set; |
6418 | } else { | |
6419 | how = 0; | |
6420 | set_ptr = NULL; | |
6421 | } | |
1c275925 | 6422 | ret = get_errno(do_sigprocmask(how, set_ptr, &oldset)); |
53a5960a | 6423 | if (!is_error(ret) && arg3) { |
c227f099 | 6424 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
579a97f7 | 6425 | goto efault; |
53a5960a | 6426 | host_to_target_sigset(p, &oldset); |
c227f099 | 6427 | unlock_user(p, arg3, sizeof(target_sigset_t)); |
66fb9763 FB |
6428 | } |
6429 | } | |
6430 | break; | |
e5febef5 | 6431 | #ifdef TARGET_NR_sigpending |
66fb9763 FB |
6432 | case TARGET_NR_sigpending: |
6433 | { | |
6434 | sigset_t set; | |
6435 | ret = get_errno(sigpending(&set)); | |
6436 | if (!is_error(ret)) { | |
c227f099 | 6437 | if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
579a97f7 | 6438 | goto efault; |
53a5960a | 6439 | host_to_target_old_sigset(p, &set); |
c227f099 | 6440 | unlock_user(p, arg1, sizeof(target_sigset_t)); |
66fb9763 FB |
6441 | } |
6442 | } | |
6443 | break; | |
e5febef5 | 6444 | #endif |
66fb9763 FB |
6445 | case TARGET_NR_rt_sigpending: |
6446 | { | |
6447 | sigset_t set; | |
6448 | ret = get_errno(sigpending(&set)); | |
6449 | if (!is_error(ret)) { | |
c227f099 | 6450 | if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
579a97f7 | 6451 | goto efault; |
53a5960a | 6452 | host_to_target_sigset(p, &set); |
c227f099 | 6453 | unlock_user(p, arg1, sizeof(target_sigset_t)); |
66fb9763 FB |
6454 | } |
6455 | } | |
6456 | break; | |
e5febef5 | 6457 | #ifdef TARGET_NR_sigsuspend |
66fb9763 FB |
6458 | case TARGET_NR_sigsuspend: |
6459 | { | |
6460 | sigset_t set; | |
f43ce12b RH |
6461 | #if defined(TARGET_ALPHA) |
6462 | abi_ulong mask = arg1; | |
6463 | target_to_host_old_sigset(&set, &mask); | |
6464 | #else | |
c227f099 | 6465 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
579a97f7 | 6466 | goto efault; |
53a5960a PB |
6467 | target_to_host_old_sigset(&set, p); |
6468 | unlock_user(p, arg1, 0); | |
f43ce12b | 6469 | #endif |
66fb9763 FB |
6470 | ret = get_errno(sigsuspend(&set)); |
6471 | } | |
6472 | break; | |
e5febef5 | 6473 | #endif |
66fb9763 FB |
6474 | case TARGET_NR_rt_sigsuspend: |
6475 | { | |
6476 | sigset_t set; | |
c227f099 | 6477 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
579a97f7 | 6478 | goto efault; |
53a5960a PB |
6479 | target_to_host_sigset(&set, p); |
6480 | unlock_user(p, arg1, 0); | |
66fb9763 FB |
6481 | ret = get_errno(sigsuspend(&set)); |
6482 | } | |
6483 | break; | |
6484 | case TARGET_NR_rt_sigtimedwait: | |
6485 | { | |
66fb9763 FB |
6486 | sigset_t set; |
6487 | struct timespec uts, *puts; | |
6488 | siginfo_t uinfo; | |
3b46e624 | 6489 | |
c227f099 | 6490 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
579a97f7 | 6491 | goto efault; |
53a5960a PB |
6492 | target_to_host_sigset(&set, p); |
6493 | unlock_user(p, arg1, 0); | |
6494 | if (arg3) { | |
66fb9763 | 6495 | puts = &uts; |
53a5960a | 6496 | target_to_host_timespec(puts, arg3); |
66fb9763 FB |
6497 | } else { |
6498 | puts = NULL; | |
6499 | } | |
6500 | ret = get_errno(sigtimedwait(&set, &uinfo, puts)); | |
974a196d PJ |
6501 | if (!is_error(ret)) { |
6502 | if (arg2) { | |
6503 | p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), | |
6504 | 0); | |
6505 | if (!p) { | |
6506 | goto efault; | |
6507 | } | |
6508 | host_to_target_siginfo(p, &uinfo); | |
6509 | unlock_user(p, arg2, sizeof(target_siginfo_t)); | |
6510 | } | |
6511 | ret = host_to_target_signal(ret); | |
66fb9763 FB |
6512 | } |
6513 | } | |
6514 | break; | |
6515 | case TARGET_NR_rt_sigqueueinfo: | |
6516 | { | |
6517 | siginfo_t uinfo; | |
c227f099 | 6518 | if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1))) |
579a97f7 | 6519 | goto efault; |
53a5960a PB |
6520 | target_to_host_siginfo(&uinfo, p); |
6521 | unlock_user(p, arg1, 0); | |
66fb9763 FB |
6522 | ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); |
6523 | } | |
6524 | break; | |
e5febef5 | 6525 | #ifdef TARGET_NR_sigreturn |
66fb9763 FB |
6526 | case TARGET_NR_sigreturn: |
6527 | /* NOTE: ret is eax, so not transcoding must be done */ | |
6528 | ret = do_sigreturn(cpu_env); | |
6529 | break; | |
e5febef5 | 6530 | #endif |
66fb9763 FB |
6531 | case TARGET_NR_rt_sigreturn: |
6532 | /* NOTE: ret is eax, so not transcoding must be done */ | |
6533 | ret = do_rt_sigreturn(cpu_env); | |
6534 | break; | |
31e31b8a | 6535 | case TARGET_NR_sethostname: |
579a97f7 FB |
6536 | if (!(p = lock_user_string(arg1))) |
6537 | goto efault; | |
53a5960a PB |
6538 | ret = get_errno(sethostname(p, arg2)); |
6539 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
6540 | break; |
6541 | case TARGET_NR_setrlimit: | |
9de5e440 | 6542 | { |
e22b7015 | 6543 | int resource = target_to_host_resource(arg1); |
53a5960a | 6544 | struct target_rlimit *target_rlim; |
9de5e440 | 6545 | struct rlimit rlim; |
579a97f7 FB |
6546 | if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1)) |
6547 | goto efault; | |
81bbe906 TY |
6548 | rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur); |
6549 | rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max); | |
53a5960a | 6550 | unlock_user_struct(target_rlim, arg2, 0); |
9de5e440 FB |
6551 | ret = get_errno(setrlimit(resource, &rlim)); |
6552 | } | |
6553 | break; | |
31e31b8a | 6554 | case TARGET_NR_getrlimit: |
9de5e440 | 6555 | { |
e22b7015 | 6556 | int resource = target_to_host_resource(arg1); |
53a5960a | 6557 | struct target_rlimit *target_rlim; |
9de5e440 | 6558 | struct rlimit rlim; |
3b46e624 | 6559 | |
9de5e440 FB |
6560 | ret = get_errno(getrlimit(resource, &rlim)); |
6561 | if (!is_error(ret)) { | |
579a97f7 FB |
6562 | if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
6563 | goto efault; | |
81bbe906 TY |
6564 | target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); |
6565 | target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); | |
53a5960a | 6566 | unlock_user_struct(target_rlim, arg2, 1); |
9de5e440 FB |
6567 | } |
6568 | } | |
6569 | break; | |
31e31b8a | 6570 | case TARGET_NR_getrusage: |
b409186b FB |
6571 | { |
6572 | struct rusage rusage; | |
b409186b FB |
6573 | ret = get_errno(getrusage(arg1, &rusage)); |
6574 | if (!is_error(ret)) { | |
a39fb273 | 6575 | ret = host_to_target_rusage(arg2, &rusage); |
b409186b FB |
6576 | } |
6577 | } | |
6578 | break; | |
31e31b8a FB |
6579 | case TARGET_NR_gettimeofday: |
6580 | { | |
31e31b8a FB |
6581 | struct timeval tv; |
6582 | ret = get_errno(gettimeofday(&tv, NULL)); | |
6583 | if (!is_error(ret)) { | |
788f5ec4 TS |
6584 | if (copy_to_user_timeval(arg1, &tv)) |
6585 | goto efault; | |
31e31b8a FB |
6586 | } |
6587 | } | |
6588 | break; | |
6589 | case TARGET_NR_settimeofday: | |
6590 | { | |
b67d8031 | 6591 | struct timeval tv, *ptv = NULL; |
ef4467e9 PB |
6592 | struct timezone tz, *ptz = NULL; |
6593 | ||
b67d8031 PB |
6594 | if (arg1) { |
6595 | if (copy_from_user_timeval(&tv, arg1)) { | |
6596 | goto efault; | |
6597 | } | |
6598 | ptv = &tv; | |
6599 | } | |
ef4467e9 PB |
6600 | |
6601 | if (arg2) { | |
6602 | if (copy_from_user_timezone(&tz, arg2)) { | |
6603 | goto efault; | |
6604 | } | |
6605 | ptz = &tz; | |
6606 | } | |
6607 | ||
b67d8031 | 6608 | ret = get_errno(settimeofday(ptv, ptz)); |
31e31b8a FB |
6609 | } |
6610 | break; | |
9468a5d4 | 6611 | #if defined(TARGET_NR_select) |
31e31b8a | 6612 | case TARGET_NR_select: |
9468a5d4 LV |
6613 | #if defined(TARGET_S390X) || defined(TARGET_ALPHA) |
6614 | ret = do_select(arg1, arg2, arg3, arg4, arg5); | |
6615 | #else | |
f2674e31 | 6616 | { |
53a5960a | 6617 | struct target_sel_arg_struct *sel; |
992f48a0 | 6618 | abi_ulong inp, outp, exp, tvp; |
53a5960a PB |
6619 | long nsel; |
6620 | ||
579a97f7 FB |
6621 | if (!lock_user_struct(VERIFY_READ, sel, arg1, 1)) |
6622 | goto efault; | |
cbb21eed MB |
6623 | nsel = tswapal(sel->n); |
6624 | inp = tswapal(sel->inp); | |
6625 | outp = tswapal(sel->outp); | |
6626 | exp = tswapal(sel->exp); | |
6627 | tvp = tswapal(sel->tvp); | |
53a5960a PB |
6628 | unlock_user_struct(sel, arg1, 0); |
6629 | ret = do_select(nsel, inp, outp, exp, tvp); | |
f2674e31 | 6630 | } |
9468a5d4 | 6631 | #endif |
f2674e31 | 6632 | break; |
9e42382f RV |
6633 | #endif |
6634 | #ifdef TARGET_NR_pselect6 | |
6635 | case TARGET_NR_pselect6: | |
055e0906 MF |
6636 | { |
6637 | abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr; | |
6638 | fd_set rfds, wfds, efds; | |
6639 | fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; | |
6640 | struct timespec ts, *ts_ptr; | |
6641 | ||
6642 | /* | |
6643 | * The 6th arg is actually two args smashed together, | |
6644 | * so we cannot use the C library. | |
6645 | */ | |
6646 | sigset_t set; | |
6647 | struct { | |
6648 | sigset_t *set; | |
6649 | size_t size; | |
6650 | } sig, *sig_ptr; | |
6651 | ||
6652 | abi_ulong arg_sigset, arg_sigsize, *arg7; | |
6653 | target_sigset_t *target_sigset; | |
6654 | ||
6655 | n = arg1; | |
6656 | rfd_addr = arg2; | |
6657 | wfd_addr = arg3; | |
6658 | efd_addr = arg4; | |
6659 | ts_addr = arg5; | |
6660 | ||
6661 | ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); | |
6662 | if (ret) { | |
6663 | goto fail; | |
6664 | } | |
6665 | ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); | |
6666 | if (ret) { | |
6667 | goto fail; | |
6668 | } | |
6669 | ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); | |
6670 | if (ret) { | |
6671 | goto fail; | |
6672 | } | |
6673 | ||
6674 | /* | |
6675 | * This takes a timespec, and not a timeval, so we cannot | |
6676 | * use the do_select() helper ... | |
6677 | */ | |
6678 | if (ts_addr) { | |
6679 | if (target_to_host_timespec(&ts, ts_addr)) { | |
6680 | goto efault; | |
6681 | } | |
6682 | ts_ptr = &ts; | |
6683 | } else { | |
6684 | ts_ptr = NULL; | |
6685 | } | |
6686 | ||
6687 | /* Extract the two packed args for the sigset */ | |
6688 | if (arg6) { | |
6689 | sig_ptr = &sig; | |
6690 | sig.size = _NSIG / 8; | |
6691 | ||
6692 | arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1); | |
6693 | if (!arg7) { | |
6694 | goto efault; | |
6695 | } | |
cbb21eed MB |
6696 | arg_sigset = tswapal(arg7[0]); |
6697 | arg_sigsize = tswapal(arg7[1]); | |
055e0906 MF |
6698 | unlock_user(arg7, arg6, 0); |
6699 | ||
6700 | if (arg_sigset) { | |
6701 | sig.set = &set; | |
8f04eeb3 PM |
6702 | if (arg_sigsize != sizeof(*target_sigset)) { |
6703 | /* Like the kernel, we enforce correct size sigsets */ | |
6704 | ret = -TARGET_EINVAL; | |
6705 | goto fail; | |
6706 | } | |
055e0906 MF |
6707 | target_sigset = lock_user(VERIFY_READ, arg_sigset, |
6708 | sizeof(*target_sigset), 1); | |
6709 | if (!target_sigset) { | |
6710 | goto efault; | |
6711 | } | |
6712 | target_to_host_sigset(&set, target_sigset); | |
6713 | unlock_user(target_sigset, arg_sigset, 0); | |
6714 | } else { | |
6715 | sig.set = NULL; | |
6716 | } | |
6717 | } else { | |
6718 | sig_ptr = NULL; | |
6719 | } | |
6720 | ||
6721 | ret = get_errno(sys_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr, | |
6722 | ts_ptr, sig_ptr)); | |
6723 | ||
6724 | if (!is_error(ret)) { | |
6725 | if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) | |
6726 | goto efault; | |
6727 | if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) | |
6728 | goto efault; | |
6729 | if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) | |
6730 | goto efault; | |
6731 | ||
6732 | if (ts_addr && host_to_target_timespec(ts_addr, &ts)) | |
6733 | goto efault; | |
6734 | } | |
6735 | } | |
6736 | break; | |
048f6b4d | 6737 | #endif |
31e31b8a | 6738 | case TARGET_NR_symlink: |
53a5960a PB |
6739 | { |
6740 | void *p2; | |
6741 | p = lock_user_string(arg1); | |
6742 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
6743 | if (!p || !p2) |
6744 | ret = -TARGET_EFAULT; | |
6745 | else | |
6746 | ret = get_errno(symlink(p, p2)); | |
53a5960a PB |
6747 | unlock_user(p2, arg2, 0); |
6748 | unlock_user(p, arg1, 0); | |
6749 | } | |
31e31b8a | 6750 | break; |
c0d472b1 | 6751 | #if defined(TARGET_NR_symlinkat) |
f0b6243d | 6752 | case TARGET_NR_symlinkat: |
f0b6243d | 6753 | { |
579a97f7 | 6754 | void *p2; |
f0b6243d TS |
6755 | p = lock_user_string(arg1); |
6756 | p2 = lock_user_string(arg3); | |
579a97f7 | 6757 | if (!p || !p2) |
0da46a6e | 6758 | ret = -TARGET_EFAULT; |
f0b6243d | 6759 | else |
c0d472b1 | 6760 | ret = get_errno(symlinkat(p, arg2, p2)); |
579a97f7 FB |
6761 | unlock_user(p2, arg3, 0); |
6762 | unlock_user(p, arg1, 0); | |
f0b6243d TS |
6763 | } |
6764 | break; | |
6765 | #endif | |
ebc05488 | 6766 | #ifdef TARGET_NR_oldlstat |
31e31b8a FB |
6767 | case TARGET_NR_oldlstat: |
6768 | goto unimplemented; | |
ebc05488 | 6769 | #endif |
31e31b8a | 6770 | case TARGET_NR_readlink: |
53a5960a | 6771 | { |
463d8e73 | 6772 | void *p2; |
53a5960a | 6773 | p = lock_user_string(arg1); |
579a97f7 | 6774 | p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0); |
463d8e73 | 6775 | if (!p || !p2) { |
579a97f7 | 6776 | ret = -TARGET_EFAULT; |
f17f4989 MF |
6777 | } else if (!arg3) { |
6778 | /* Short circuit this for the magic exe check. */ | |
6779 | ret = -TARGET_EINVAL; | |
463d8e73 AS |
6780 | } else if (is_proc_myself((const char *)p, "exe")) { |
6781 | char real[PATH_MAX], *temp; | |
6782 | temp = realpath(exec_path, real); | |
f17f4989 MF |
6783 | /* Return value is # of bytes that we wrote to the buffer. */ |
6784 | if (temp == NULL) { | |
6785 | ret = get_errno(-1); | |
6786 | } else { | |
6787 | /* Don't worry about sign mismatch as earlier mapping | |
6788 | * logic would have thrown a bad address error. */ | |
6789 | ret = MIN(strlen(real), arg3); | |
6790 | /* We cannot NUL terminate the string. */ | |
6791 | memcpy(p2, real, ret); | |
6792 | } | |
463d8e73 AS |
6793 | } else { |
6794 | ret = get_errno(readlink(path(p), p2, arg3)); | |
d088d664 | 6795 | } |
53a5960a PB |
6796 | unlock_user(p2, arg2, ret); |
6797 | unlock_user(p, arg1, 0); | |
6798 | } | |
31e31b8a | 6799 | break; |
c0d472b1 | 6800 | #if defined(TARGET_NR_readlinkat) |
5e0ccb18 | 6801 | case TARGET_NR_readlinkat: |
5e0ccb18 | 6802 | { |
579a97f7 | 6803 | void *p2; |
5e0ccb18 | 6804 | p = lock_user_string(arg2); |
579a97f7 | 6805 | p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0); |
463d8e73 AS |
6806 | if (!p || !p2) { |
6807 | ret = -TARGET_EFAULT; | |
6808 | } else if (is_proc_myself((const char *)p, "exe")) { | |
6809 | char real[PATH_MAX], *temp; | |
6810 | temp = realpath(exec_path, real); | |
6811 | ret = temp == NULL ? get_errno(-1) : strlen(real) ; | |
6812 | snprintf((char *)p2, arg4, "%s", real); | |
6813 | } else { | |
c0d472b1 | 6814 | ret = get_errno(readlinkat(arg1, path(p), p2, arg4)); |
463d8e73 | 6815 | } |
579a97f7 FB |
6816 | unlock_user(p2, arg3, ret); |
6817 | unlock_user(p, arg2, 0); | |
5e0ccb18 TS |
6818 | } |
6819 | break; | |
6820 | #endif | |
e5febef5 | 6821 | #ifdef TARGET_NR_uselib |
31e31b8a FB |
6822 | case TARGET_NR_uselib: |
6823 | goto unimplemented; | |
e5febef5 TS |
6824 | #endif |
6825 | #ifdef TARGET_NR_swapon | |
31e31b8a | 6826 | case TARGET_NR_swapon: |
579a97f7 FB |
6827 | if (!(p = lock_user_string(arg1))) |
6828 | goto efault; | |
53a5960a PB |
6829 | ret = get_errno(swapon(p, arg2)); |
6830 | unlock_user(p, arg1, 0); | |
31e31b8a | 6831 | break; |
e5febef5 | 6832 | #endif |
31e31b8a | 6833 | case TARGET_NR_reboot: |
c07ecc68 LV |
6834 | if (arg3 == LINUX_REBOOT_CMD_RESTART2) { |
6835 | /* arg4 must be ignored in all other cases */ | |
6836 | p = lock_user_string(arg4); | |
6837 | if (!p) { | |
6838 | goto efault; | |
6839 | } | |
6840 | ret = get_errno(reboot(arg1, arg2, arg3, p)); | |
6841 | unlock_user(p, arg4, 0); | |
6842 | } else { | |
6843 | ret = get_errno(reboot(arg1, arg2, arg3, NULL)); | |
6844 | } | |
0f6b4d21 | 6845 | break; |
e5febef5 | 6846 | #ifdef TARGET_NR_readdir |
31e31b8a FB |
6847 | case TARGET_NR_readdir: |
6848 | goto unimplemented; | |
e5febef5 TS |
6849 | #endif |
6850 | #ifdef TARGET_NR_mmap | |
31e31b8a | 6851 | case TARGET_NR_mmap: |
09701199 AG |
6852 | #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || \ |
6853 | (defined(TARGET_ARM) && defined(TARGET_ABI32)) || \ | |
a4c075f1 UH |
6854 | defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \ |
6855 | || defined(TARGET_S390X) | |
31e31b8a | 6856 | { |
992f48a0 BS |
6857 | abi_ulong *v; |
6858 | abi_ulong v1, v2, v3, v4, v5, v6; | |
579a97f7 FB |
6859 | if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1))) |
6860 | goto efault; | |
cbb21eed MB |
6861 | v1 = tswapal(v[0]); |
6862 | v2 = tswapal(v[1]); | |
6863 | v3 = tswapal(v[2]); | |
6864 | v4 = tswapal(v[3]); | |
6865 | v5 = tswapal(v[4]); | |
6866 | v6 = tswapal(v[5]); | |
53a5960a | 6867 | unlock_user(v, arg1, 0); |
5fafdf24 | 6868 | ret = get_errno(target_mmap(v1, v2, v3, |
5286db75 FB |
6869 | target_to_host_bitmask(v4, mmap_flags_tbl), |
6870 | v5, v6)); | |
31e31b8a | 6871 | } |
31e31b8a | 6872 | #else |
5fafdf24 TS |
6873 | ret = get_errno(target_mmap(arg1, arg2, arg3, |
6874 | target_to_host_bitmask(arg4, mmap_flags_tbl), | |
6fb883e8 FB |
6875 | arg5, |
6876 | arg6)); | |
31e31b8a | 6877 | #endif |
6fb883e8 | 6878 | break; |
e5febef5 | 6879 | #endif |
a315a145 | 6880 | #ifdef TARGET_NR_mmap2 |
6fb883e8 | 6881 | case TARGET_NR_mmap2: |
bb7ec043 | 6882 | #ifndef MMAP_SHIFT |
c573ff67 | 6883 | #define MMAP_SHIFT 12 |
c573ff67 | 6884 | #endif |
5fafdf24 TS |
6885 | ret = get_errno(target_mmap(arg1, arg2, arg3, |
6886 | target_to_host_bitmask(arg4, mmap_flags_tbl), | |
5286db75 | 6887 | arg5, |
c573ff67 | 6888 | arg6 << MMAP_SHIFT)); |
31e31b8a | 6889 | break; |
a315a145 | 6890 | #endif |
31e31b8a | 6891 | case TARGET_NR_munmap: |
54936004 | 6892 | ret = get_errno(target_munmap(arg1, arg2)); |
31e31b8a | 6893 | break; |
9de5e440 | 6894 | case TARGET_NR_mprotect: |
97374d38 | 6895 | { |
0429a971 | 6896 | TaskState *ts = cpu->opaque; |
97374d38 PB |
6897 | /* Special hack to detect libc making the stack executable. */ |
6898 | if ((arg3 & PROT_GROWSDOWN) | |
6899 | && arg1 >= ts->info->stack_limit | |
6900 | && arg1 <= ts->info->start_stack) { | |
6901 | arg3 &= ~PROT_GROWSDOWN; | |
6902 | arg2 = arg2 + arg1 - ts->info->stack_limit; | |
6903 | arg1 = ts->info->stack_limit; | |
6904 | } | |
6905 | } | |
54936004 | 6906 | ret = get_errno(target_mprotect(arg1, arg2, arg3)); |
9de5e440 | 6907 | break; |
e5febef5 | 6908 | #ifdef TARGET_NR_mremap |
9de5e440 | 6909 | case TARGET_NR_mremap: |
54936004 | 6910 | ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); |
9de5e440 | 6911 | break; |
e5febef5 | 6912 | #endif |
53a5960a | 6913 | /* ??? msync/mlock/munlock are broken for softmmu. */ |
e5febef5 | 6914 | #ifdef TARGET_NR_msync |
9de5e440 | 6915 | case TARGET_NR_msync: |
53a5960a | 6916 | ret = get_errno(msync(g2h(arg1), arg2, arg3)); |
9de5e440 | 6917 | break; |
e5febef5 TS |
6918 | #endif |
6919 | #ifdef TARGET_NR_mlock | |
9de5e440 | 6920 | case TARGET_NR_mlock: |
53a5960a | 6921 | ret = get_errno(mlock(g2h(arg1), arg2)); |
9de5e440 | 6922 | break; |
e5febef5 TS |
6923 | #endif |
6924 | #ifdef TARGET_NR_munlock | |
9de5e440 | 6925 | case TARGET_NR_munlock: |
53a5960a | 6926 | ret = get_errno(munlock(g2h(arg1), arg2)); |
9de5e440 | 6927 | break; |
e5febef5 TS |
6928 | #endif |
6929 | #ifdef TARGET_NR_mlockall | |
9de5e440 | 6930 | case TARGET_NR_mlockall: |
6f6a4032 | 6931 | ret = get_errno(mlockall(target_to_host_mlockall_arg(arg1))); |
9de5e440 | 6932 | break; |
e5febef5 TS |
6933 | #endif |
6934 | #ifdef TARGET_NR_munlockall | |
9de5e440 FB |
6935 | case TARGET_NR_munlockall: |
6936 | ret = get_errno(munlockall()); | |
6937 | break; | |
e5febef5 | 6938 | #endif |
31e31b8a | 6939 | case TARGET_NR_truncate: |
579a97f7 FB |
6940 | if (!(p = lock_user_string(arg1))) |
6941 | goto efault; | |
53a5960a PB |
6942 | ret = get_errno(truncate(p, arg2)); |
6943 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
6944 | break; |
6945 | case TARGET_NR_ftruncate: | |
6946 | ret = get_errno(ftruncate(arg1, arg2)); | |
6947 | break; | |
6948 | case TARGET_NR_fchmod: | |
6949 | ret = get_errno(fchmod(arg1, arg2)); | |
6950 | break; | |
c0d472b1 | 6951 | #if defined(TARGET_NR_fchmodat) |
814d7977 | 6952 | case TARGET_NR_fchmodat: |
579a97f7 FB |
6953 | if (!(p = lock_user_string(arg2))) |
6954 | goto efault; | |
c0d472b1 | 6955 | ret = get_errno(fchmodat(arg1, p, arg3, 0)); |
579a97f7 | 6956 | unlock_user(p, arg2, 0); |
814d7977 TS |
6957 | break; |
6958 | #endif | |
31e31b8a | 6959 | case TARGET_NR_getpriority: |
95c09828 RH |
6960 | /* Note that negative values are valid for getpriority, so we must |
6961 | differentiate based on errno settings. */ | |
6962 | errno = 0; | |
6963 | ret = getpriority(arg1, arg2); | |
6964 | if (ret == -1 && errno != 0) { | |
6965 | ret = -host_to_target_errno(errno); | |
6966 | break; | |
6967 | } | |
6968 | #ifdef TARGET_ALPHA | |
6969 | /* Return value is the unbiased priority. Signal no error. */ | |
6970 | ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; | |
6971 | #else | |
6972 | /* Return value is a biased priority to avoid negative numbers. */ | |
6973 | ret = 20 - ret; | |
6974 | #endif | |
31e31b8a FB |
6975 | break; |
6976 | case TARGET_NR_setpriority: | |
6977 | ret = get_errno(setpriority(arg1, arg2, arg3)); | |
6978 | break; | |
ebc05488 | 6979 | #ifdef TARGET_NR_profil |
31e31b8a FB |
6980 | case TARGET_NR_profil: |
6981 | goto unimplemented; | |
ebc05488 | 6982 | #endif |
31e31b8a | 6983 | case TARGET_NR_statfs: |
579a97f7 FB |
6984 | if (!(p = lock_user_string(arg1))) |
6985 | goto efault; | |
53a5960a PB |
6986 | ret = get_errno(statfs(path(p), &stfs)); |
6987 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
6988 | convert_statfs: |
6989 | if (!is_error(ret)) { | |
53a5960a | 6990 | struct target_statfs *target_stfs; |
3b46e624 | 6991 | |
579a97f7 FB |
6992 | if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0)) |
6993 | goto efault; | |
6994 | __put_user(stfs.f_type, &target_stfs->f_type); | |
6995 | __put_user(stfs.f_bsize, &target_stfs->f_bsize); | |
6996 | __put_user(stfs.f_blocks, &target_stfs->f_blocks); | |
6997 | __put_user(stfs.f_bfree, &target_stfs->f_bfree); | |
6998 | __put_user(stfs.f_bavail, &target_stfs->f_bavail); | |
6999 | __put_user(stfs.f_files, &target_stfs->f_files); | |
7000 | __put_user(stfs.f_ffree, &target_stfs->f_ffree); | |
7001 | __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); | |
7002 | __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); | |
7003 | __put_user(stfs.f_namelen, &target_stfs->f_namelen); | |
229d3376 AG |
7004 | __put_user(stfs.f_frsize, &target_stfs->f_frsize); |
7005 | memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); | |
53a5960a | 7006 | unlock_user_struct(target_stfs, arg2, 1); |
31e31b8a FB |
7007 | } |
7008 | break; | |
7009 | case TARGET_NR_fstatfs: | |
56c8f68f | 7010 | ret = get_errno(fstatfs(arg1, &stfs)); |
31e31b8a | 7011 | goto convert_statfs; |
56c8f68f FB |
7012 | #ifdef TARGET_NR_statfs64 |
7013 | case TARGET_NR_statfs64: | |
579a97f7 FB |
7014 | if (!(p = lock_user_string(arg1))) |
7015 | goto efault; | |
53a5960a PB |
7016 | ret = get_errno(statfs(path(p), &stfs)); |
7017 | unlock_user(p, arg1, 0); | |
56c8f68f FB |
7018 | convert_statfs64: |
7019 | if (!is_error(ret)) { | |
53a5960a | 7020 | struct target_statfs64 *target_stfs; |
3b46e624 | 7021 | |
579a97f7 FB |
7022 | if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0)) |
7023 | goto efault; | |
7024 | __put_user(stfs.f_type, &target_stfs->f_type); | |
7025 | __put_user(stfs.f_bsize, &target_stfs->f_bsize); | |
7026 | __put_user(stfs.f_blocks, &target_stfs->f_blocks); | |
7027 | __put_user(stfs.f_bfree, &target_stfs->f_bfree); | |
7028 | __put_user(stfs.f_bavail, &target_stfs->f_bavail); | |
7029 | __put_user(stfs.f_files, &target_stfs->f_files); | |
7030 | __put_user(stfs.f_ffree, &target_stfs->f_ffree); | |
7031 | __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); | |
7032 | __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); | |
7033 | __put_user(stfs.f_namelen, &target_stfs->f_namelen); | |
229d3376 AG |
7034 | __put_user(stfs.f_frsize, &target_stfs->f_frsize); |
7035 | memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); | |
579a97f7 | 7036 | unlock_user_struct(target_stfs, arg3, 1); |
56c8f68f FB |
7037 | } |
7038 | break; | |
7039 | case TARGET_NR_fstatfs64: | |
7040 | ret = get_errno(fstatfs(arg1, &stfs)); | |
7041 | goto convert_statfs64; | |
7042 | #endif | |
ebc05488 | 7043 | #ifdef TARGET_NR_ioperm |
31e31b8a FB |
7044 | case TARGET_NR_ioperm: |
7045 | goto unimplemented; | |
ebc05488 | 7046 | #endif |
e5febef5 | 7047 | #ifdef TARGET_NR_socketcall |
31e31b8a | 7048 | case TARGET_NR_socketcall: |
53a5960a | 7049 | ret = do_socketcall(arg1, arg2); |
31e31b8a | 7050 | break; |
e5febef5 | 7051 | #endif |
3532fa74 FB |
7052 | #ifdef TARGET_NR_accept |
7053 | case TARGET_NR_accept: | |
a94b4987 PM |
7054 | ret = do_accept4(arg1, arg2, arg3, 0); |
7055 | break; | |
7056 | #endif | |
7057 | #ifdef TARGET_NR_accept4 | |
7058 | case TARGET_NR_accept4: | |
7059 | #ifdef CONFIG_ACCEPT4 | |
7060 | ret = do_accept4(arg1, arg2, arg3, arg4); | |
7061 | #else | |
7062 | goto unimplemented; | |
7063 | #endif | |
3532fa74 FB |
7064 | break; |
7065 | #endif | |
7066 | #ifdef TARGET_NR_bind | |
7067 | case TARGET_NR_bind: | |
7068 | ret = do_bind(arg1, arg2, arg3); | |
7069 | break; | |
7070 | #endif | |
7071 | #ifdef TARGET_NR_connect | |
7072 | case TARGET_NR_connect: | |
7073 | ret = do_connect(arg1, arg2, arg3); | |
7074 | break; | |
7075 | #endif | |
7076 | #ifdef TARGET_NR_getpeername | |
7077 | case TARGET_NR_getpeername: | |
1be9e1dc | 7078 | ret = do_getpeername(arg1, arg2, arg3); |
3532fa74 FB |
7079 | break; |
7080 | #endif | |
7081 | #ifdef TARGET_NR_getsockname | |
7082 | case TARGET_NR_getsockname: | |
1be9e1dc | 7083 | ret = do_getsockname(arg1, arg2, arg3); |
3532fa74 FB |
7084 | break; |
7085 | #endif | |
7086 | #ifdef TARGET_NR_getsockopt | |
7087 | case TARGET_NR_getsockopt: | |
7088 | ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5); | |
7089 | break; | |
7090 | #endif | |
7091 | #ifdef TARGET_NR_listen | |
7092 | case TARGET_NR_listen: | |
1be9e1dc | 7093 | ret = get_errno(listen(arg1, arg2)); |
3532fa74 FB |
7094 | break; |
7095 | #endif | |
7096 | #ifdef TARGET_NR_recv | |
7097 | case TARGET_NR_recv: | |
214201bd | 7098 | ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0); |
3532fa74 FB |
7099 | break; |
7100 | #endif | |
7101 | #ifdef TARGET_NR_recvfrom | |
7102 | case TARGET_NR_recvfrom: | |
214201bd | 7103 | ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6); |
3532fa74 FB |
7104 | break; |
7105 | #endif | |
7106 | #ifdef TARGET_NR_recvmsg | |
7107 | case TARGET_NR_recvmsg: | |
7108 | ret = do_sendrecvmsg(arg1, arg2, arg3, 0); | |
7109 | break; | |
7110 | #endif | |
7111 | #ifdef TARGET_NR_send | |
7112 | case TARGET_NR_send: | |
1be9e1dc | 7113 | ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0); |
3532fa74 FB |
7114 | break; |
7115 | #endif | |
7116 | #ifdef TARGET_NR_sendmsg | |
7117 | case TARGET_NR_sendmsg: | |
7118 | ret = do_sendrecvmsg(arg1, arg2, arg3, 1); | |
7119 | break; | |
7120 | #endif | |
f19e00d7 AG |
7121 | #ifdef TARGET_NR_sendmmsg |
7122 | case TARGET_NR_sendmmsg: | |
7123 | ret = do_sendrecvmmsg(arg1, arg2, arg3, arg4, 1); | |
7124 | break; | |
7125 | case TARGET_NR_recvmmsg: | |
7126 | ret = do_sendrecvmmsg(arg1, arg2, arg3, arg4, 0); | |
7127 | break; | |
7128 | #endif | |
3532fa74 FB |
7129 | #ifdef TARGET_NR_sendto |
7130 | case TARGET_NR_sendto: | |
1be9e1dc | 7131 | ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6); |
3532fa74 FB |
7132 | break; |
7133 | #endif | |
7134 | #ifdef TARGET_NR_shutdown | |
7135 | case TARGET_NR_shutdown: | |
1be9e1dc | 7136 | ret = get_errno(shutdown(arg1, arg2)); |
3532fa74 FB |
7137 | break; |
7138 | #endif | |
7139 | #ifdef TARGET_NR_socket | |
7140 | case TARGET_NR_socket: | |
7141 | ret = do_socket(arg1, arg2, arg3); | |
7142 | break; | |
7143 | #endif | |
7144 | #ifdef TARGET_NR_socketpair | |
7145 | case TARGET_NR_socketpair: | |
1be9e1dc | 7146 | ret = do_socketpair(arg1, arg2, arg3, arg4); |
3532fa74 FB |
7147 | break; |
7148 | #endif | |
7149 | #ifdef TARGET_NR_setsockopt | |
7150 | case TARGET_NR_setsockopt: | |
7151 | ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5); | |
7152 | break; | |
7153 | #endif | |
7494b0f9 | 7154 | |
31e31b8a | 7155 | case TARGET_NR_syslog: |
579a97f7 FB |
7156 | if (!(p = lock_user_string(arg2))) |
7157 | goto efault; | |
e5574487 TS |
7158 | ret = get_errno(sys_syslog((int)arg1, p, (int)arg3)); |
7159 | unlock_user(p, arg2, 0); | |
7494b0f9 TS |
7160 | break; |
7161 | ||
31e31b8a | 7162 | case TARGET_NR_setitimer: |
66fb9763 | 7163 | { |
66fb9763 FB |
7164 | struct itimerval value, ovalue, *pvalue; |
7165 | ||
53a5960a | 7166 | if (arg2) { |
66fb9763 | 7167 | pvalue = &value; |
788f5ec4 TS |
7168 | if (copy_from_user_timeval(&pvalue->it_interval, arg2) |
7169 | || copy_from_user_timeval(&pvalue->it_value, | |
7170 | arg2 + sizeof(struct target_timeval))) | |
7171 | goto efault; | |
66fb9763 FB |
7172 | } else { |
7173 | pvalue = NULL; | |
7174 | } | |
7175 | ret = get_errno(setitimer(arg1, pvalue, &ovalue)); | |
53a5960a | 7176 | if (!is_error(ret) && arg3) { |
788f5ec4 TS |
7177 | if (copy_to_user_timeval(arg3, |
7178 | &ovalue.it_interval) | |
7179 | || copy_to_user_timeval(arg3 + sizeof(struct target_timeval), | |
7180 | &ovalue.it_value)) | |
7181 | goto efault; | |
66fb9763 FB |
7182 | } |
7183 | } | |
7184 | break; | |
31e31b8a | 7185 | case TARGET_NR_getitimer: |
66fb9763 | 7186 | { |
66fb9763 | 7187 | struct itimerval value; |
3b46e624 | 7188 | |
66fb9763 | 7189 | ret = get_errno(getitimer(arg1, &value)); |
53a5960a | 7190 | if (!is_error(ret) && arg2) { |
788f5ec4 TS |
7191 | if (copy_to_user_timeval(arg2, |
7192 | &value.it_interval) | |
7193 | || copy_to_user_timeval(arg2 + sizeof(struct target_timeval), | |
7194 | &value.it_value)) | |
7195 | goto efault; | |
66fb9763 FB |
7196 | } |
7197 | } | |
7198 | break; | |
31e31b8a | 7199 | case TARGET_NR_stat: |
579a97f7 FB |
7200 | if (!(p = lock_user_string(arg1))) |
7201 | goto efault; | |
53a5960a PB |
7202 | ret = get_errno(stat(path(p), &st)); |
7203 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
7204 | goto do_stat; |
7205 | case TARGET_NR_lstat: | |
579a97f7 FB |
7206 | if (!(p = lock_user_string(arg1))) |
7207 | goto efault; | |
53a5960a PB |
7208 | ret = get_errno(lstat(path(p), &st)); |
7209 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
7210 | goto do_stat; |
7211 | case TARGET_NR_fstat: | |
7212 | { | |
7213 | ret = get_errno(fstat(arg1, &st)); | |
7214 | do_stat: | |
7215 | if (!is_error(ret)) { | |
53a5960a | 7216 | struct target_stat *target_st; |
e3584658 | 7217 | |
579a97f7 FB |
7218 | if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0)) |
7219 | goto efault; | |
12727917 | 7220 | memset(target_st, 0, sizeof(*target_st)); |
d2fd1af7 FB |
7221 | __put_user(st.st_dev, &target_st->st_dev); |
7222 | __put_user(st.st_ino, &target_st->st_ino); | |
7223 | __put_user(st.st_mode, &target_st->st_mode); | |
7224 | __put_user(st.st_uid, &target_st->st_uid); | |
7225 | __put_user(st.st_gid, &target_st->st_gid); | |
7226 | __put_user(st.st_nlink, &target_st->st_nlink); | |
7227 | __put_user(st.st_rdev, &target_st->st_rdev); | |
7228 | __put_user(st.st_size, &target_st->st_size); | |
7229 | __put_user(st.st_blksize, &target_st->st_blksize); | |
7230 | __put_user(st.st_blocks, &target_st->st_blocks); | |
7231 | __put_user(st.st_atime, &target_st->target_st_atime); | |
7232 | __put_user(st.st_mtime, &target_st->target_st_mtime); | |
7233 | __put_user(st.st_ctime, &target_st->target_st_ctime); | |
53a5960a | 7234 | unlock_user_struct(target_st, arg2, 1); |
31e31b8a FB |
7235 | } |
7236 | } | |
7237 | break; | |
ebc05488 | 7238 | #ifdef TARGET_NR_olduname |
31e31b8a FB |
7239 | case TARGET_NR_olduname: |
7240 | goto unimplemented; | |
ebc05488 FB |
7241 | #endif |
7242 | #ifdef TARGET_NR_iopl | |
31e31b8a FB |
7243 | case TARGET_NR_iopl: |
7244 | goto unimplemented; | |
ebc05488 | 7245 | #endif |
31e31b8a FB |
7246 | case TARGET_NR_vhangup: |
7247 | ret = get_errno(vhangup()); | |
7248 | break; | |
ebc05488 | 7249 | #ifdef TARGET_NR_idle |
31e31b8a FB |
7250 | case TARGET_NR_idle: |
7251 | goto unimplemented; | |
42ad6ae9 FB |
7252 | #endif |
7253 | #ifdef TARGET_NR_syscall | |
7254 | case TARGET_NR_syscall: | |
5945cfcb PM |
7255 | ret = do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5, |
7256 | arg6, arg7, arg8, 0); | |
7257 | break; | |
ebc05488 | 7258 | #endif |
31e31b8a FB |
7259 | case TARGET_NR_wait4: |
7260 | { | |
7261 | int status; | |
992f48a0 | 7262 | abi_long status_ptr = arg2; |
31e31b8a | 7263 | struct rusage rusage, *rusage_ptr; |
992f48a0 | 7264 | abi_ulong target_rusage = arg4; |
a39fb273 | 7265 | abi_long rusage_err; |
31e31b8a FB |
7266 | if (target_rusage) |
7267 | rusage_ptr = &rusage; | |
7268 | else | |
7269 | rusage_ptr = NULL; | |
7270 | ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr)); | |
7271 | if (!is_error(ret)) { | |
5379557b | 7272 | if (status_ptr && ret) { |
1d9d8b55 | 7273 | status = host_to_target_waitstatus(status); |
2f619698 FB |
7274 | if (put_user_s32(status, status_ptr)) |
7275 | goto efault; | |
31e31b8a | 7276 | } |
a39fb273 PJ |
7277 | if (target_rusage) { |
7278 | rusage_err = host_to_target_rusage(target_rusage, &rusage); | |
7279 | if (rusage_err) { | |
7280 | ret = rusage_err; | |
7281 | } | |
7282 | } | |
31e31b8a FB |
7283 | } |
7284 | } | |
7285 | break; | |
e5febef5 | 7286 | #ifdef TARGET_NR_swapoff |
31e31b8a | 7287 | case TARGET_NR_swapoff: |
579a97f7 FB |
7288 | if (!(p = lock_user_string(arg1))) |
7289 | goto efault; | |
53a5960a PB |
7290 | ret = get_errno(swapoff(p)); |
7291 | unlock_user(p, arg1, 0); | |
31e31b8a | 7292 | break; |
e5febef5 | 7293 | #endif |
31e31b8a | 7294 | case TARGET_NR_sysinfo: |
a5448a7d | 7295 | { |
53a5960a | 7296 | struct target_sysinfo *target_value; |
a5448a7d FB |
7297 | struct sysinfo value; |
7298 | ret = get_errno(sysinfo(&value)); | |
53a5960a | 7299 | if (!is_error(ret) && arg1) |
a5448a7d | 7300 | { |
579a97f7 FB |
7301 | if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0)) |
7302 | goto efault; | |
a5448a7d FB |
7303 | __put_user(value.uptime, &target_value->uptime); |
7304 | __put_user(value.loads[0], &target_value->loads[0]); | |
7305 | __put_user(value.loads[1], &target_value->loads[1]); | |
7306 | __put_user(value.loads[2], &target_value->loads[2]); | |
7307 | __put_user(value.totalram, &target_value->totalram); | |
7308 | __put_user(value.freeram, &target_value->freeram); | |
7309 | __put_user(value.sharedram, &target_value->sharedram); | |
7310 | __put_user(value.bufferram, &target_value->bufferram); | |
7311 | __put_user(value.totalswap, &target_value->totalswap); | |
7312 | __put_user(value.freeswap, &target_value->freeswap); | |
7313 | __put_user(value.procs, &target_value->procs); | |
7314 | __put_user(value.totalhigh, &target_value->totalhigh); | |
7315 | __put_user(value.freehigh, &target_value->freehigh); | |
7316 | __put_user(value.mem_unit, &target_value->mem_unit); | |
53a5960a | 7317 | unlock_user_struct(target_value, arg1, 1); |
a5448a7d FB |
7318 | } |
7319 | } | |
7320 | break; | |
e5febef5 | 7321 | #ifdef TARGET_NR_ipc |
31e31b8a | 7322 | case TARGET_NR_ipc: |
8853f86e FB |
7323 | ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6); |
7324 | break; | |
e5febef5 | 7325 | #endif |
e5289087 AJ |
7326 | #ifdef TARGET_NR_semget |
7327 | case TARGET_NR_semget: | |
7328 | ret = get_errno(semget(arg1, arg2, arg3)); | |
7329 | break; | |
7330 | #endif | |
7331 | #ifdef TARGET_NR_semop | |
7332 | case TARGET_NR_semop: | |
c7128c9f | 7333 | ret = do_semop(arg1, arg2, arg3); |
e5289087 AJ |
7334 | break; |
7335 | #endif | |
7336 | #ifdef TARGET_NR_semctl | |
7337 | case TARGET_NR_semctl: | |
7338 | ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4); | |
7339 | break; | |
7340 | #endif | |
eeb438c1 AJ |
7341 | #ifdef TARGET_NR_msgctl |
7342 | case TARGET_NR_msgctl: | |
7343 | ret = do_msgctl(arg1, arg2, arg3); | |
7344 | break; | |
7345 | #endif | |
7346 | #ifdef TARGET_NR_msgget | |
7347 | case TARGET_NR_msgget: | |
7348 | ret = get_errno(msgget(arg1, arg2)); | |
7349 | break; | |
7350 | #endif | |
7351 | #ifdef TARGET_NR_msgrcv | |
7352 | case TARGET_NR_msgrcv: | |
7353 | ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5); | |
7354 | break; | |
7355 | #endif | |
7356 | #ifdef TARGET_NR_msgsnd | |
7357 | case TARGET_NR_msgsnd: | |
7358 | ret = do_msgsnd(arg1, arg2, arg3, arg4); | |
7359 | break; | |
88a8c984 RV |
7360 | #endif |
7361 | #ifdef TARGET_NR_shmget | |
7362 | case TARGET_NR_shmget: | |
7363 | ret = get_errno(shmget(arg1, arg2, arg3)); | |
7364 | break; | |
7365 | #endif | |
7366 | #ifdef TARGET_NR_shmctl | |
7367 | case TARGET_NR_shmctl: | |
7368 | ret = do_shmctl(arg1, arg2, arg3); | |
7369 | break; | |
7370 | #endif | |
7371 | #ifdef TARGET_NR_shmat | |
7372 | case TARGET_NR_shmat: | |
7373 | ret = do_shmat(arg1, arg2, arg3); | |
7374 | break; | |
7375 | #endif | |
7376 | #ifdef TARGET_NR_shmdt | |
7377 | case TARGET_NR_shmdt: | |
7378 | ret = do_shmdt(arg1); | |
7379 | break; | |
eeb438c1 | 7380 | #endif |
31e31b8a FB |
7381 | case TARGET_NR_fsync: |
7382 | ret = get_errno(fsync(arg1)); | |
7383 | break; | |
31e31b8a | 7384 | case TARGET_NR_clone: |
4ce6243d PM |
7385 | /* Linux manages to have three different orderings for its |
7386 | * arguments to clone(); the BACKWARDS and BACKWARDS2 defines | |
7387 | * match the kernel's CONFIG_CLONE_* settings. | |
7388 | * Microblaze is further special in that it uses a sixth | |
7389 | * implicit argument to clone for the TLS pointer. | |
7390 | */ | |
7391 | #if defined(TARGET_MICROBLAZE) | |
a5b3bdcb | 7392 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg4, arg6, arg5)); |
4ce6243d PM |
7393 | #elif defined(TARGET_CLONE_BACKWARDS) |
7394 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5)); | |
7395 | #elif defined(TARGET_CLONE_BACKWARDS2) | |
a4c075f1 | 7396 | ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4)); |
0b6d3ae0 | 7397 | #else |
4ce6243d | 7398 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4)); |
0b6d3ae0 | 7399 | #endif |
1b6b029e | 7400 | break; |
ec86b0fb FB |
7401 | #ifdef __NR_exit_group |
7402 | /* new thread calls */ | |
7403 | case TARGET_NR_exit_group: | |
9788c9ca | 7404 | #ifdef TARGET_GPROF |
6d946cda AJ |
7405 | _mcleanup(); |
7406 | #endif | |
e9009676 | 7407 | gdb_exit(cpu_env, arg1); |
ec86b0fb FB |
7408 | ret = get_errno(exit_group(arg1)); |
7409 | break; | |
7410 | #endif | |
31e31b8a | 7411 | case TARGET_NR_setdomainname: |
579a97f7 FB |
7412 | if (!(p = lock_user_string(arg1))) |
7413 | goto efault; | |
53a5960a PB |
7414 | ret = get_errno(setdomainname(p, arg2)); |
7415 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
7416 | break; |
7417 | case TARGET_NR_uname: | |
7418 | /* no need to transcode because we use the linux syscall */ | |
29e619b1 FB |
7419 | { |
7420 | struct new_utsname * buf; | |
3b46e624 | 7421 | |
579a97f7 FB |
7422 | if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0)) |
7423 | goto efault; | |
29e619b1 FB |
7424 | ret = get_errno(sys_uname(buf)); |
7425 | if (!is_error(ret)) { | |
7426 | /* Overrite the native machine name with whatever is being | |
7427 | emulated. */ | |
da79030f | 7428 | strcpy (buf->machine, cpu_to_uname_machine(cpu_env)); |
c5937220 PB |
7429 | /* Allow the user to override the reported release. */ |
7430 | if (qemu_uname_release && *qemu_uname_release) | |
7431 | strcpy (buf->release, qemu_uname_release); | |
29e619b1 | 7432 | } |
53a5960a | 7433 | unlock_user_struct(buf, arg1, 1); |
29e619b1 | 7434 | } |
31e31b8a | 7435 | break; |
6dbad63e | 7436 | #ifdef TARGET_I386 |
31e31b8a | 7437 | case TARGET_NR_modify_ldt: |
03acab66 | 7438 | ret = do_modify_ldt(cpu_env, arg1, arg2, arg3); |
5cd4393b | 7439 | break; |
84409ddb | 7440 | #if !defined(TARGET_X86_64) |
5cd4393b FB |
7441 | case TARGET_NR_vm86old: |
7442 | goto unimplemented; | |
7443 | case TARGET_NR_vm86: | |
53a5960a | 7444 | ret = do_vm86(cpu_env, arg1, arg2); |
6dbad63e | 7445 | break; |
84409ddb | 7446 | #endif |
6dbad63e | 7447 | #endif |
31e31b8a FB |
7448 | case TARGET_NR_adjtimex: |
7449 | goto unimplemented; | |
e5febef5 | 7450 | #ifdef TARGET_NR_create_module |
31e31b8a | 7451 | case TARGET_NR_create_module: |
e5febef5 | 7452 | #endif |
31e31b8a FB |
7453 | case TARGET_NR_init_module: |
7454 | case TARGET_NR_delete_module: | |
e5febef5 | 7455 | #ifdef TARGET_NR_get_kernel_syms |
31e31b8a | 7456 | case TARGET_NR_get_kernel_syms: |
e5febef5 | 7457 | #endif |
31e31b8a FB |
7458 | goto unimplemented; |
7459 | case TARGET_NR_quotactl: | |
7460 | goto unimplemented; | |
7461 | case TARGET_NR_getpgid: | |
7462 | ret = get_errno(getpgid(arg1)); | |
7463 | break; | |
7464 | case TARGET_NR_fchdir: | |
7465 | ret = get_errno(fchdir(arg1)); | |
7466 | break; | |
84409ddb | 7467 | #ifdef TARGET_NR_bdflush /* not on x86_64 */ |
31e31b8a FB |
7468 | case TARGET_NR_bdflush: |
7469 | goto unimplemented; | |
84409ddb | 7470 | #endif |
e5febef5 | 7471 | #ifdef TARGET_NR_sysfs |
31e31b8a FB |
7472 | case TARGET_NR_sysfs: |
7473 | goto unimplemented; | |
e5febef5 | 7474 | #endif |
31e31b8a | 7475 | case TARGET_NR_personality: |
1b6b029e | 7476 | ret = get_errno(personality(arg1)); |
31e31b8a | 7477 | break; |
e5febef5 | 7478 | #ifdef TARGET_NR_afs_syscall |
31e31b8a FB |
7479 | case TARGET_NR_afs_syscall: |
7480 | goto unimplemented; | |
e5febef5 | 7481 | #endif |
7a3148a9 | 7482 | #ifdef TARGET_NR__llseek /* Not on alpha */ |
31e31b8a FB |
7483 | case TARGET_NR__llseek: |
7484 | { | |
0c1592d9 | 7485 | int64_t res; |
d35b261c | 7486 | #if !defined(__NR_llseek) |
0c1592d9 PM |
7487 | res = lseek(arg1, ((uint64_t)arg2 << 32) | arg3, arg5); |
7488 | if (res == -1) { | |
7489 | ret = get_errno(res); | |
7490 | } else { | |
7491 | ret = 0; | |
7492 | } | |
4f2ac237 | 7493 | #else |
31e31b8a | 7494 | ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); |
4f2ac237 | 7495 | #endif |
0c1592d9 PM |
7496 | if ((ret == 0) && put_user_s64(res, arg4)) { |
7497 | goto efault; | |
7498 | } | |
31e31b8a FB |
7499 | } |
7500 | break; | |
7a3148a9 | 7501 | #endif |
31e31b8a | 7502 | case TARGET_NR_getdents: |
3307e236 | 7503 | #ifdef __NR_getdents |
d83c8733 | 7504 | #if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64 |
4add45b4 | 7505 | { |
53a5960a | 7506 | struct target_dirent *target_dirp; |
6556a833 | 7507 | struct linux_dirent *dirp; |
992f48a0 | 7508 | abi_long count = arg3; |
4add45b4 FB |
7509 | |
7510 | dirp = malloc(count); | |
0da46a6e | 7511 | if (!dirp) { |
579a97f7 | 7512 | ret = -TARGET_ENOMEM; |
0da46a6e TS |
7513 | goto fail; |
7514 | } | |
3b46e624 | 7515 | |
4add45b4 FB |
7516 | ret = get_errno(sys_getdents(arg1, dirp, count)); |
7517 | if (!is_error(ret)) { | |
6556a833 | 7518 | struct linux_dirent *de; |
4add45b4 FB |
7519 | struct target_dirent *tde; |
7520 | int len = ret; | |
7521 | int reclen, treclen; | |
7522 | int count1, tnamelen; | |
7523 | ||
7524 | count1 = 0; | |
7525 | de = dirp; | |
579a97f7 FB |
7526 | if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
7527 | goto efault; | |
4add45b4 FB |
7528 | tde = target_dirp; |
7529 | while (len > 0) { | |
7530 | reclen = de->d_reclen; | |
333858b7 DL |
7531 | tnamelen = reclen - offsetof(struct linux_dirent, d_name); |
7532 | assert(tnamelen >= 0); | |
7533 | treclen = tnamelen + offsetof(struct target_dirent, d_name); | |
7534 | assert(count1 + treclen <= count); | |
4add45b4 | 7535 | tde->d_reclen = tswap16(treclen); |
cbb21eed MB |
7536 | tde->d_ino = tswapal(de->d_ino); |
7537 | tde->d_off = tswapal(de->d_off); | |
333858b7 | 7538 | memcpy(tde->d_name, de->d_name, tnamelen); |
6556a833 | 7539 | de = (struct linux_dirent *)((char *)de + reclen); |
4add45b4 | 7540 | len -= reclen; |
1c5bf3bf | 7541 | tde = (struct target_dirent *)((char *)tde + treclen); |
4add45b4 FB |
7542 | count1 += treclen; |
7543 | } | |
7544 | ret = count1; | |
579a97f7 | 7545 | unlock_user(target_dirp, arg2, ret); |
4add45b4 FB |
7546 | } |
7547 | free(dirp); | |
7548 | } | |
7549 | #else | |
31e31b8a | 7550 | { |
6556a833 | 7551 | struct linux_dirent *dirp; |
992f48a0 | 7552 | abi_long count = arg3; |
dab2ed99 | 7553 | |
579a97f7 FB |
7554 | if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
7555 | goto efault; | |
72f03900 | 7556 | ret = get_errno(sys_getdents(arg1, dirp, count)); |
31e31b8a | 7557 | if (!is_error(ret)) { |
6556a833 | 7558 | struct linux_dirent *de; |
31e31b8a FB |
7559 | int len = ret; |
7560 | int reclen; | |
7561 | de = dirp; | |
7562 | while (len > 0) { | |
8083a3e5 | 7563 | reclen = de->d_reclen; |
31e31b8a FB |
7564 | if (reclen > len) |
7565 | break; | |
8083a3e5 | 7566 | de->d_reclen = tswap16(reclen); |
31e31b8a FB |
7567 | tswapls(&de->d_ino); |
7568 | tswapls(&de->d_off); | |
6556a833 | 7569 | de = (struct linux_dirent *)((char *)de + reclen); |
31e31b8a FB |
7570 | len -= reclen; |
7571 | } | |
7572 | } | |
53a5960a | 7573 | unlock_user(dirp, arg2, ret); |
3307e236 PM |
7574 | } |
7575 | #endif | |
7576 | #else | |
7577 | /* Implement getdents in terms of getdents64 */ | |
7578 | { | |
7579 | struct linux_dirent64 *dirp; | |
7580 | abi_long count = arg3; | |
7581 | ||
7582 | dirp = lock_user(VERIFY_WRITE, arg2, count, 0); | |
7583 | if (!dirp) { | |
7584 | goto efault; | |
7585 | } | |
7586 | ret = get_errno(sys_getdents64(arg1, dirp, count)); | |
7587 | if (!is_error(ret)) { | |
7588 | /* Convert the dirent64 structs to target dirent. We do this | |
7589 | * in-place, since we can guarantee that a target_dirent is no | |
7590 | * larger than a dirent64; however this means we have to be | |
7591 | * careful to read everything before writing in the new format. | |
7592 | */ | |
7593 | struct linux_dirent64 *de; | |
7594 | struct target_dirent *tde; | |
7595 | int len = ret; | |
7596 | int tlen = 0; | |
7597 | ||
7598 | de = dirp; | |
7599 | tde = (struct target_dirent *)dirp; | |
7600 | while (len > 0) { | |
7601 | int namelen, treclen; | |
7602 | int reclen = de->d_reclen; | |
7603 | uint64_t ino = de->d_ino; | |
7604 | int64_t off = de->d_off; | |
7605 | uint8_t type = de->d_type; | |
7606 | ||
7607 | namelen = strlen(de->d_name); | |
7608 | treclen = offsetof(struct target_dirent, d_name) | |
7609 | + namelen + 2; | |
7610 | treclen = QEMU_ALIGN_UP(treclen, sizeof(abi_long)); | |
7611 | ||
7612 | memmove(tde->d_name, de->d_name, namelen + 1); | |
7613 | tde->d_ino = tswapal(ino); | |
7614 | tde->d_off = tswapal(off); | |
7615 | tde->d_reclen = tswap16(treclen); | |
7616 | /* The target_dirent type is in what was formerly a padding | |
7617 | * byte at the end of the structure: | |
7618 | */ | |
7619 | *(((char *)tde) + treclen - 1) = type; | |
7620 | ||
7621 | de = (struct linux_dirent64 *)((char *)de + reclen); | |
7622 | tde = (struct target_dirent *)((char *)tde + treclen); | |
7623 | len -= reclen; | |
7624 | tlen += treclen; | |
7625 | } | |
7626 | ret = tlen; | |
7627 | } | |
7628 | unlock_user(dirp, arg2, ret); | |
31e31b8a | 7629 | } |
4add45b4 | 7630 | #endif |
31e31b8a | 7631 | break; |
3ae43202 | 7632 | #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64) |
dab2ed99 FB |
7633 | case TARGET_NR_getdents64: |
7634 | { | |
6556a833 | 7635 | struct linux_dirent64 *dirp; |
992f48a0 | 7636 | abi_long count = arg3; |
579a97f7 FB |
7637 | if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
7638 | goto efault; | |
dab2ed99 FB |
7639 | ret = get_errno(sys_getdents64(arg1, dirp, count)); |
7640 | if (!is_error(ret)) { | |
6556a833 | 7641 | struct linux_dirent64 *de; |
dab2ed99 FB |
7642 | int len = ret; |
7643 | int reclen; | |
7644 | de = dirp; | |
7645 | while (len > 0) { | |
8083a3e5 | 7646 | reclen = de->d_reclen; |
dab2ed99 FB |
7647 | if (reclen > len) |
7648 | break; | |
8083a3e5 | 7649 | de->d_reclen = tswap16(reclen); |
8582a53a FB |
7650 | tswap64s((uint64_t *)&de->d_ino); |
7651 | tswap64s((uint64_t *)&de->d_off); | |
6556a833 | 7652 | de = (struct linux_dirent64 *)((char *)de + reclen); |
dab2ed99 FB |
7653 | len -= reclen; |
7654 | } | |
7655 | } | |
53a5960a | 7656 | unlock_user(dirp, arg2, ret); |
dab2ed99 FB |
7657 | } |
7658 | break; | |
a541f297 | 7659 | #endif /* TARGET_NR_getdents64 */ |
9468a5d4 | 7660 | #if defined(TARGET_NR__newselect) |
31e31b8a | 7661 | case TARGET_NR__newselect: |
53a5960a | 7662 | ret = do_select(arg1, arg2, arg3, arg4, arg5); |
31e31b8a | 7663 | break; |
e5febef5 | 7664 | #endif |
d8035d4c MF |
7665 | #if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll) |
7666 | # ifdef TARGET_NR_poll | |
9de5e440 | 7667 | case TARGET_NR_poll: |
d8035d4c MF |
7668 | # endif |
7669 | # ifdef TARGET_NR_ppoll | |
7670 | case TARGET_NR_ppoll: | |
7671 | # endif | |
9de5e440 | 7672 | { |
53a5960a | 7673 | struct target_pollfd *target_pfd; |
9de5e440 FB |
7674 | unsigned int nfds = arg2; |
7675 | int timeout = arg3; | |
7676 | struct pollfd *pfd; | |
7854b056 | 7677 | unsigned int i; |
9de5e440 | 7678 | |
579a97f7 FB |
7679 | target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1); |
7680 | if (!target_pfd) | |
7681 | goto efault; | |
d8035d4c | 7682 | |
9de5e440 FB |
7683 | pfd = alloca(sizeof(struct pollfd) * nfds); |
7684 | for(i = 0; i < nfds; i++) { | |
5cd4393b FB |
7685 | pfd[i].fd = tswap32(target_pfd[i].fd); |
7686 | pfd[i].events = tswap16(target_pfd[i].events); | |
9de5e440 | 7687 | } |
d8035d4c MF |
7688 | |
7689 | # ifdef TARGET_NR_ppoll | |
7690 | if (num == TARGET_NR_ppoll) { | |
7691 | struct timespec _timeout_ts, *timeout_ts = &_timeout_ts; | |
7692 | target_sigset_t *target_set; | |
7693 | sigset_t _set, *set = &_set; | |
7694 | ||
7695 | if (arg3) { | |
7696 | if (target_to_host_timespec(timeout_ts, arg3)) { | |
7697 | unlock_user(target_pfd, arg1, 0); | |
7698 | goto efault; | |
7699 | } | |
7700 | } else { | |
7701 | timeout_ts = NULL; | |
7702 | } | |
7703 | ||
7704 | if (arg4) { | |
7705 | target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1); | |
7706 | if (!target_set) { | |
7707 | unlock_user(target_pfd, arg1, 0); | |
7708 | goto efault; | |
7709 | } | |
7710 | target_to_host_sigset(set, target_set); | |
7711 | } else { | |
7712 | set = NULL; | |
7713 | } | |
7714 | ||
7715 | ret = get_errno(sys_ppoll(pfd, nfds, timeout_ts, set, _NSIG/8)); | |
7716 | ||
7717 | if (!is_error(ret) && arg3) { | |
7718 | host_to_target_timespec(arg3, timeout_ts); | |
7719 | } | |
7720 | if (arg4) { | |
7721 | unlock_user(target_set, arg4, 0); | |
7722 | } | |
7723 | } else | |
7724 | # endif | |
7725 | ret = get_errno(poll(pfd, nfds, timeout)); | |
7726 | ||
9de5e440 FB |
7727 | if (!is_error(ret)) { |
7728 | for(i = 0; i < nfds; i++) { | |
5cd4393b | 7729 | target_pfd[i].revents = tswap16(pfd[i].revents); |
9de5e440 FB |
7730 | } |
7731 | } | |
30cb4cde | 7732 | unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds); |
9de5e440 FB |
7733 | } |
7734 | break; | |
e5febef5 | 7735 | #endif |
31e31b8a | 7736 | case TARGET_NR_flock: |
9de5e440 FB |
7737 | /* NOTE: the flock constant seems to be the same for every |
7738 | Linux platform */ | |
7739 | ret = get_errno(flock(arg1, arg2)); | |
31e31b8a FB |
7740 | break; |
7741 | case TARGET_NR_readv: | |
7742 | { | |
f287b2c2 RH |
7743 | struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0); |
7744 | if (vec != NULL) { | |
7745 | ret = get_errno(readv(arg1, vec, arg3)); | |
7746 | unlock_iovec(vec, arg2, arg3, 1); | |
7747 | } else { | |
7748 | ret = -host_to_target_errno(errno); | |
7749 | } | |
31e31b8a FB |
7750 | } |
7751 | break; | |
7752 | case TARGET_NR_writev: | |
7753 | { | |
f287b2c2 RH |
7754 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); |
7755 | if (vec != NULL) { | |
7756 | ret = get_errno(writev(arg1, vec, arg3)); | |
7757 | unlock_iovec(vec, arg2, arg3, 0); | |
7758 | } else { | |
7759 | ret = -host_to_target_errno(errno); | |
7760 | } | |
31e31b8a FB |
7761 | } |
7762 | break; | |
7763 | case TARGET_NR_getsid: | |
7764 | ret = get_errno(getsid(arg1)); | |
7765 | break; | |
7a3148a9 | 7766 | #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */ |
31e31b8a | 7767 | case TARGET_NR_fdatasync: |
5cd4393b FB |
7768 | ret = get_errno(fdatasync(arg1)); |
7769 | break; | |
7a3148a9 | 7770 | #endif |
31e31b8a | 7771 | case TARGET_NR__sysctl: |
0da46a6e | 7772 | /* We don't implement this, but ENOTDIR is always a safe |
29e619b1 | 7773 | return value. */ |
0da46a6e TS |
7774 | ret = -TARGET_ENOTDIR; |
7775 | break; | |
737de1d1 MF |
7776 | case TARGET_NR_sched_getaffinity: |
7777 | { | |
7778 | unsigned int mask_size; | |
7779 | unsigned long *mask; | |
7780 | ||
7781 | /* | |
7782 | * sched_getaffinity needs multiples of ulong, so need to take | |
7783 | * care of mismatches between target ulong and host ulong sizes. | |
7784 | */ | |
7785 | if (arg2 & (sizeof(abi_ulong) - 1)) { | |
7786 | ret = -TARGET_EINVAL; | |
7787 | break; | |
7788 | } | |
7789 | mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); | |
7790 | ||
7791 | mask = alloca(mask_size); | |
7792 | ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask)); | |
7793 | ||
7794 | if (!is_error(ret)) { | |
be3bd286 PM |
7795 | if (ret > arg2) { |
7796 | /* More data returned than the caller's buffer will fit. | |
7797 | * This only happens if sizeof(abi_long) < sizeof(long) | |
7798 | * and the caller passed us a buffer holding an odd number | |
7799 | * of abi_longs. If the host kernel is actually using the | |
7800 | * extra 4 bytes then fail EINVAL; otherwise we can just | |
7801 | * ignore them and only copy the interesting part. | |
7802 | */ | |
7803 | int numcpus = sysconf(_SC_NPROCESSORS_CONF); | |
7804 | if (numcpus > arg2 * 8) { | |
7805 | ret = -TARGET_EINVAL; | |
7806 | break; | |
7807 | } | |
7808 | ret = arg2; | |
7809 | } | |
7810 | ||
cd18f05e | 7811 | if (copy_to_user(arg3, mask, ret)) { |
737de1d1 MF |
7812 | goto efault; |
7813 | } | |
737de1d1 MF |
7814 | } |
7815 | } | |
7816 | break; | |
7817 | case TARGET_NR_sched_setaffinity: | |
7818 | { | |
7819 | unsigned int mask_size; | |
7820 | unsigned long *mask; | |
7821 | ||
7822 | /* | |
7823 | * sched_setaffinity needs multiples of ulong, so need to take | |
7824 | * care of mismatches between target ulong and host ulong sizes. | |
7825 | */ | |
7826 | if (arg2 & (sizeof(abi_ulong) - 1)) { | |
7827 | ret = -TARGET_EINVAL; | |
7828 | break; | |
7829 | } | |
7830 | mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); | |
7831 | ||
7832 | mask = alloca(mask_size); | |
7833 | if (!lock_user_struct(VERIFY_READ, p, arg3, 1)) { | |
7834 | goto efault; | |
7835 | } | |
7836 | memcpy(mask, p, arg2); | |
7837 | unlock_user_struct(p, arg2, 0); | |
7838 | ||
7839 | ret = get_errno(sys_sched_setaffinity(arg1, mask_size, mask)); | |
7840 | } | |
7841 | break; | |
31e31b8a | 7842 | case TARGET_NR_sched_setparam: |
5cd4393b | 7843 | { |
53a5960a | 7844 | struct sched_param *target_schp; |
5cd4393b | 7845 | struct sched_param schp; |
53a5960a | 7846 | |
a1d5c5b2 TM |
7847 | if (arg2 == 0) { |
7848 | return -TARGET_EINVAL; | |
7849 | } | |
579a97f7 FB |
7850 | if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1)) |
7851 | goto efault; | |
5cd4393b | 7852 | schp.sched_priority = tswap32(target_schp->sched_priority); |
53a5960a | 7853 | unlock_user_struct(target_schp, arg2, 0); |
5cd4393b FB |
7854 | ret = get_errno(sched_setparam(arg1, &schp)); |
7855 | } | |
7856 | break; | |
31e31b8a | 7857 | case TARGET_NR_sched_getparam: |
5cd4393b | 7858 | { |
53a5960a | 7859 | struct sched_param *target_schp; |
5cd4393b | 7860 | struct sched_param schp; |
a1d5c5b2 TM |
7861 | |
7862 | if (arg2 == 0) { | |
7863 | return -TARGET_EINVAL; | |
7864 | } | |
5cd4393b FB |
7865 | ret = get_errno(sched_getparam(arg1, &schp)); |
7866 | if (!is_error(ret)) { | |
579a97f7 FB |
7867 | if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0)) |
7868 | goto efault; | |
5cd4393b | 7869 | target_schp->sched_priority = tswap32(schp.sched_priority); |
53a5960a | 7870 | unlock_user_struct(target_schp, arg2, 1); |
5cd4393b FB |
7871 | } |
7872 | } | |
7873 | break; | |
31e31b8a | 7874 | case TARGET_NR_sched_setscheduler: |
5cd4393b | 7875 | { |
53a5960a | 7876 | struct sched_param *target_schp; |
5cd4393b | 7877 | struct sched_param schp; |
a1d5c5b2 TM |
7878 | if (arg3 == 0) { |
7879 | return -TARGET_EINVAL; | |
7880 | } | |
579a97f7 FB |
7881 | if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1)) |
7882 | goto efault; | |
5cd4393b | 7883 | schp.sched_priority = tswap32(target_schp->sched_priority); |
53a5960a | 7884 | unlock_user_struct(target_schp, arg3, 0); |
5cd4393b FB |
7885 | ret = get_errno(sched_setscheduler(arg1, arg2, &schp)); |
7886 | } | |
7887 | break; | |
31e31b8a | 7888 | case TARGET_NR_sched_getscheduler: |
5cd4393b FB |
7889 | ret = get_errno(sched_getscheduler(arg1)); |
7890 | break; | |
31e31b8a FB |
7891 | case TARGET_NR_sched_yield: |
7892 | ret = get_errno(sched_yield()); | |
7893 | break; | |
7894 | case TARGET_NR_sched_get_priority_max: | |
5cd4393b FB |
7895 | ret = get_errno(sched_get_priority_max(arg1)); |
7896 | break; | |
31e31b8a | 7897 | case TARGET_NR_sched_get_priority_min: |
5cd4393b FB |
7898 | ret = get_errno(sched_get_priority_min(arg1)); |
7899 | break; | |
31e31b8a | 7900 | case TARGET_NR_sched_rr_get_interval: |
5cd4393b | 7901 | { |
5cd4393b FB |
7902 | struct timespec ts; |
7903 | ret = get_errno(sched_rr_get_interval(arg1, &ts)); | |
7904 | if (!is_error(ret)) { | |
d4290c40 | 7905 | ret = host_to_target_timespec(arg2, &ts); |
5cd4393b FB |
7906 | } |
7907 | } | |
7908 | break; | |
31e31b8a | 7909 | case TARGET_NR_nanosleep: |
1b6b029e | 7910 | { |
1b6b029e | 7911 | struct timespec req, rem; |
53a5960a | 7912 | target_to_host_timespec(&req, arg1); |
1b6b029e | 7913 | ret = get_errno(nanosleep(&req, &rem)); |
53a5960a PB |
7914 | if (is_error(ret) && arg2) { |
7915 | host_to_target_timespec(arg2, &rem); | |
1b6b029e FB |
7916 | } |
7917 | } | |
7918 | break; | |
e5febef5 | 7919 | #ifdef TARGET_NR_query_module |
31e31b8a | 7920 | case TARGET_NR_query_module: |
5cd4393b | 7921 | goto unimplemented; |
e5febef5 TS |
7922 | #endif |
7923 | #ifdef TARGET_NR_nfsservctl | |
31e31b8a | 7924 | case TARGET_NR_nfsservctl: |
5cd4393b | 7925 | goto unimplemented; |
e5febef5 | 7926 | #endif |
31e31b8a | 7927 | case TARGET_NR_prctl: |
1e6722f8 PM |
7928 | switch (arg1) { |
7929 | case PR_GET_PDEATHSIG: | |
7930 | { | |
7931 | int deathsig; | |
7932 | ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5)); | |
7933 | if (!is_error(ret) && arg2 | |
7934 | && put_user_ual(deathsig, arg2)) { | |
7935 | goto efault; | |
e5574487 | 7936 | } |
1e6722f8 PM |
7937 | break; |
7938 | } | |
db9526b1 PM |
7939 | #ifdef PR_GET_NAME |
7940 | case PR_GET_NAME: | |
7941 | { | |
7942 | void *name = lock_user(VERIFY_WRITE, arg2, 16, 1); | |
7943 | if (!name) { | |
7944 | goto efault; | |
7945 | } | |
7946 | ret = get_errno(prctl(arg1, (unsigned long)name, | |
7947 | arg3, arg4, arg5)); | |
7948 | unlock_user(name, arg2, 16); | |
7949 | break; | |
7950 | } | |
7951 | case PR_SET_NAME: | |
7952 | { | |
7953 | void *name = lock_user(VERIFY_READ, arg2, 16, 1); | |
7954 | if (!name) { | |
7955 | goto efault; | |
7956 | } | |
7957 | ret = get_errno(prctl(arg1, (unsigned long)name, | |
7958 | arg3, arg4, arg5)); | |
7959 | unlock_user(name, arg2, 0); | |
7960 | break; | |
7961 | } | |
7962 | #endif | |
1e6722f8 PM |
7963 | default: |
7964 | /* Most prctl options have no pointer arguments */ | |
7965 | ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5)); | |
7966 | break; | |
7967 | } | |
39b9aae1 | 7968 | break; |
d2fd1af7 FB |
7969 | #ifdef TARGET_NR_arch_prctl |
7970 | case TARGET_NR_arch_prctl: | |
7971 | #if defined(TARGET_I386) && !defined(TARGET_ABI32) | |
7972 | ret = do_arch_prctl(cpu_env, arg1, arg2); | |
7973 | break; | |
7974 | #else | |
7975 | goto unimplemented; | |
7976 | #endif | |
7977 | #endif | |
f2c7ba15 AJ |
7978 | #ifdef TARGET_NR_pread64 |
7979 | case TARGET_NR_pread64: | |
ae017a5b AG |
7980 | if (regpairs_aligned(cpu_env)) { |
7981 | arg4 = arg5; | |
7982 | arg5 = arg6; | |
7983 | } | |
f2c7ba15 AJ |
7984 | if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) |
7985 | goto efault; | |
7986 | ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5))); | |
7987 | unlock_user(p, arg2, ret); | |
7988 | break; | |
7989 | case TARGET_NR_pwrite64: | |
ae017a5b AG |
7990 | if (regpairs_aligned(cpu_env)) { |
7991 | arg4 = arg5; | |
7992 | arg5 = arg6; | |
7993 | } | |
f2c7ba15 AJ |
7994 | if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
7995 | goto efault; | |
7996 | ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5))); | |
7997 | unlock_user(p, arg2, 0); | |
7998 | break; | |
67867308 | 7999 | #endif |
31e31b8a | 8000 | case TARGET_NR_getcwd: |
579a97f7 FB |
8001 | if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0))) |
8002 | goto efault; | |
53a5960a PB |
8003 | ret = get_errno(sys_getcwd1(p, arg2)); |
8004 | unlock_user(p, arg1, ret); | |
31e31b8a FB |
8005 | break; |
8006 | case TARGET_NR_capget: | |
8007 | case TARGET_NR_capset: | |
e0eb210e PM |
8008 | { |
8009 | struct target_user_cap_header *target_header; | |
8010 | struct target_user_cap_data *target_data = NULL; | |
8011 | struct __user_cap_header_struct header; | |
8012 | struct __user_cap_data_struct data[2]; | |
8013 | struct __user_cap_data_struct *dataptr = NULL; | |
8014 | int i, target_datalen; | |
8015 | int data_items = 1; | |
8016 | ||
8017 | if (!lock_user_struct(VERIFY_WRITE, target_header, arg1, 1)) { | |
8018 | goto efault; | |
8019 | } | |
8020 | header.version = tswap32(target_header->version); | |
8021 | header.pid = tswap32(target_header->pid); | |
8022 | ||
ec864874 | 8023 | if (header.version != _LINUX_CAPABILITY_VERSION) { |
e0eb210e PM |
8024 | /* Version 2 and up takes pointer to two user_data structs */ |
8025 | data_items = 2; | |
8026 | } | |
8027 | ||
8028 | target_datalen = sizeof(*target_data) * data_items; | |
8029 | ||
8030 | if (arg2) { | |
8031 | if (num == TARGET_NR_capget) { | |
8032 | target_data = lock_user(VERIFY_WRITE, arg2, target_datalen, 0); | |
8033 | } else { | |
8034 | target_data = lock_user(VERIFY_READ, arg2, target_datalen, 1); | |
8035 | } | |
8036 | if (!target_data) { | |
8037 | unlock_user_struct(target_header, arg1, 0); | |
8038 | goto efault; | |
8039 | } | |
8040 | ||
8041 | if (num == TARGET_NR_capset) { | |
8042 | for (i = 0; i < data_items; i++) { | |
8043 | data[i].effective = tswap32(target_data[i].effective); | |
8044 | data[i].permitted = tswap32(target_data[i].permitted); | |
8045 | data[i].inheritable = tswap32(target_data[i].inheritable); | |
8046 | } | |
8047 | } | |
8048 | ||
8049 | dataptr = data; | |
8050 | } | |
8051 | ||
8052 | if (num == TARGET_NR_capget) { | |
8053 | ret = get_errno(capget(&header, dataptr)); | |
8054 | } else { | |
8055 | ret = get_errno(capset(&header, dataptr)); | |
8056 | } | |
8057 | ||
8058 | /* The kernel always updates version for both capget and capset */ | |
8059 | target_header->version = tswap32(header.version); | |
8060 | unlock_user_struct(target_header, arg1, 1); | |
8061 | ||
8062 | if (arg2) { | |
8063 | if (num == TARGET_NR_capget) { | |
8064 | for (i = 0; i < data_items; i++) { | |
8065 | target_data[i].effective = tswap32(data[i].effective); | |
8066 | target_data[i].permitted = tswap32(data[i].permitted); | |
8067 | target_data[i].inheritable = tswap32(data[i].inheritable); | |
8068 | } | |
8069 | unlock_user(target_data, arg2, target_datalen); | |
8070 | } else { | |
8071 | unlock_user(target_data, arg2, 0); | |
8072 | } | |
8073 | } | |
8074 | break; | |
8075 | } | |
31e31b8a | 8076 | case TARGET_NR_sigaltstack: |
198a74de | 8077 | #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \ |
c761c154 | 8078 | defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \ |
d962783e | 8079 | defined(TARGET_M68K) || defined(TARGET_S390X) || defined(TARGET_OPENRISC) |
9349b4f9 | 8080 | ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUArchState *)cpu_env)); |
a04e134a TS |
8081 | break; |
8082 | #else | |
5cd4393b | 8083 | goto unimplemented; |
a04e134a | 8084 | #endif |
a8fd1aba PM |
8085 | |
8086 | #ifdef CONFIG_SENDFILE | |
8087 | case TARGET_NR_sendfile: | |
8088 | { | |
8089 | off_t *offp = NULL; | |
8090 | off_t off; | |
8091 | if (arg3) { | |
8092 | ret = get_user_sal(off, arg3); | |
8093 | if (is_error(ret)) { | |
8094 | break; | |
8095 | } | |
8096 | offp = &off; | |
8097 | } | |
8098 | ret = get_errno(sendfile(arg1, arg2, offp, arg4)); | |
8099 | if (!is_error(ret) && arg3) { | |
8100 | abi_long ret2 = put_user_sal(off, arg3); | |
8101 | if (is_error(ret2)) { | |
8102 | ret = ret2; | |
8103 | } | |
8104 | } | |
8105 | break; | |
8106 | } | |
8107 | #ifdef TARGET_NR_sendfile64 | |
8108 | case TARGET_NR_sendfile64: | |
8109 | { | |
8110 | off_t *offp = NULL; | |
8111 | off_t off; | |
8112 | if (arg3) { | |
8113 | ret = get_user_s64(off, arg3); | |
8114 | if (is_error(ret)) { | |
8115 | break; | |
8116 | } | |
8117 | offp = &off; | |
8118 | } | |
8119 | ret = get_errno(sendfile(arg1, arg2, offp, arg4)); | |
8120 | if (!is_error(ret) && arg3) { | |
8121 | abi_long ret2 = put_user_s64(off, arg3); | |
8122 | if (is_error(ret2)) { | |
8123 | ret = ret2; | |
8124 | } | |
8125 | } | |
8126 | break; | |
8127 | } | |
8128 | #endif | |
8129 | #else | |
31e31b8a | 8130 | case TARGET_NR_sendfile: |
7edd2cf1 | 8131 | #ifdef TARGET_NR_sendfile64 |
a8fd1aba PM |
8132 | case TARGET_NR_sendfile64: |
8133 | #endif | |
5cd4393b | 8134 | goto unimplemented; |
a8fd1aba PM |
8135 | #endif |
8136 | ||
ebc05488 | 8137 | #ifdef TARGET_NR_getpmsg |
31e31b8a | 8138 | case TARGET_NR_getpmsg: |
5cd4393b | 8139 | goto unimplemented; |
ebc05488 FB |
8140 | #endif |
8141 | #ifdef TARGET_NR_putpmsg | |
31e31b8a | 8142 | case TARGET_NR_putpmsg: |
5cd4393b | 8143 | goto unimplemented; |
ebc05488 | 8144 | #endif |
048f6b4d | 8145 | #ifdef TARGET_NR_vfork |
31e31b8a | 8146 | case TARGET_NR_vfork: |
d865bab5 PB |
8147 | ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, |
8148 | 0, 0, 0, 0)); | |
31e31b8a | 8149 | break; |
048f6b4d | 8150 | #endif |
ebc05488 | 8151 | #ifdef TARGET_NR_ugetrlimit |
31e31b8a | 8152 | case TARGET_NR_ugetrlimit: |
728584be FB |
8153 | { |
8154 | struct rlimit rlim; | |
e22b7015 WT |
8155 | int resource = target_to_host_resource(arg1); |
8156 | ret = get_errno(getrlimit(resource, &rlim)); | |
728584be | 8157 | if (!is_error(ret)) { |
53a5960a | 8158 | struct target_rlimit *target_rlim; |
579a97f7 FB |
8159 | if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
8160 | goto efault; | |
81bbe906 TY |
8161 | target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); |
8162 | target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); | |
53a5960a | 8163 | unlock_user_struct(target_rlim, arg2, 1); |
728584be FB |
8164 | } |
8165 | break; | |
8166 | } | |
ebc05488 | 8167 | #endif |
a315a145 | 8168 | #ifdef TARGET_NR_truncate64 |
31e31b8a | 8169 | case TARGET_NR_truncate64: |
579a97f7 FB |
8170 | if (!(p = lock_user_string(arg1))) |
8171 | goto efault; | |
53a5960a PB |
8172 | ret = target_truncate64(cpu_env, p, arg2, arg3, arg4); |
8173 | unlock_user(p, arg1, 0); | |
667f38b1 | 8174 | break; |
a315a145 FB |
8175 | #endif |
8176 | #ifdef TARGET_NR_ftruncate64 | |
31e31b8a | 8177 | case TARGET_NR_ftruncate64: |
ce4defa0 | 8178 | ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); |
667f38b1 | 8179 | break; |
a315a145 FB |
8180 | #endif |
8181 | #ifdef TARGET_NR_stat64 | |
31e31b8a | 8182 | case TARGET_NR_stat64: |
579a97f7 FB |
8183 | if (!(p = lock_user_string(arg1))) |
8184 | goto efault; | |
53a5960a PB |
8185 | ret = get_errno(stat(path(p), &st)); |
8186 | unlock_user(p, arg1, 0); | |
6a24a778 AZ |
8187 | if (!is_error(ret)) |
8188 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
8189 | break; | |
a315a145 FB |
8190 | #endif |
8191 | #ifdef TARGET_NR_lstat64 | |
31e31b8a | 8192 | case TARGET_NR_lstat64: |
579a97f7 FB |
8193 | if (!(p = lock_user_string(arg1))) |
8194 | goto efault; | |
53a5960a PB |
8195 | ret = get_errno(lstat(path(p), &st)); |
8196 | unlock_user(p, arg1, 0); | |
6a24a778 AZ |
8197 | if (!is_error(ret)) |
8198 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
8199 | break; | |
a315a145 FB |
8200 | #endif |
8201 | #ifdef TARGET_NR_fstat64 | |
31e31b8a | 8202 | case TARGET_NR_fstat64: |
6a24a778 AZ |
8203 | ret = get_errno(fstat(arg1, &st)); |
8204 | if (!is_error(ret)) | |
8205 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
8206 | break; | |
ce4defa0 | 8207 | #endif |
c0d472b1 | 8208 | #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) |
9d33b76b | 8209 | #ifdef TARGET_NR_fstatat64 |
6a24a778 | 8210 | case TARGET_NR_fstatat64: |
9d33b76b AJ |
8211 | #endif |
8212 | #ifdef TARGET_NR_newfstatat | |
8213 | case TARGET_NR_newfstatat: | |
8214 | #endif | |
6a24a778 AZ |
8215 | if (!(p = lock_user_string(arg2))) |
8216 | goto efault; | |
c0d472b1 | 8217 | ret = get_errno(fstatat(arg1, path(p), &st, arg4)); |
6a24a778 AZ |
8218 | if (!is_error(ret)) |
8219 | ret = host_to_target_stat64(cpu_env, arg3, &st); | |
60cd49d5 | 8220 | break; |
a315a145 | 8221 | #endif |
67867308 | 8222 | case TARGET_NR_lchown: |
579a97f7 FB |
8223 | if (!(p = lock_user_string(arg1))) |
8224 | goto efault; | |
53a5960a PB |
8225 | ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); |
8226 | unlock_user(p, arg1, 0); | |
67867308 | 8227 | break; |
0c866a7e | 8228 | #ifdef TARGET_NR_getuid |
67867308 FB |
8229 | case TARGET_NR_getuid: |
8230 | ret = get_errno(high2lowuid(getuid())); | |
8231 | break; | |
0c866a7e RV |
8232 | #endif |
8233 | #ifdef TARGET_NR_getgid | |
67867308 FB |
8234 | case TARGET_NR_getgid: |
8235 | ret = get_errno(high2lowgid(getgid())); | |
8236 | break; | |
0c866a7e RV |
8237 | #endif |
8238 | #ifdef TARGET_NR_geteuid | |
67867308 FB |
8239 | case TARGET_NR_geteuid: |
8240 | ret = get_errno(high2lowuid(geteuid())); | |
8241 | break; | |
0c866a7e RV |
8242 | #endif |
8243 | #ifdef TARGET_NR_getegid | |
67867308 FB |
8244 | case TARGET_NR_getegid: |
8245 | ret = get_errno(high2lowgid(getegid())); | |
8246 | break; | |
0c866a7e | 8247 | #endif |
67867308 FB |
8248 | case TARGET_NR_setreuid: |
8249 | ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); | |
8250 | break; | |
8251 | case TARGET_NR_setregid: | |
8252 | ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); | |
8253 | break; | |
8254 | case TARGET_NR_getgroups: | |
8255 | { | |
8256 | int gidsetsize = arg1; | |
0c866a7e | 8257 | target_id *target_grouplist; |
67867308 FB |
8258 | gid_t *grouplist; |
8259 | int i; | |
8260 | ||
8261 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
8262 | ret = get_errno(getgroups(gidsetsize, grouplist)); | |
cb3bc233 AZ |
8263 | if (gidsetsize == 0) |
8264 | break; | |
67867308 | 8265 | if (!is_error(ret)) { |
03903ffc | 8266 | target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * sizeof(target_id), 0); |
579a97f7 FB |
8267 | if (!target_grouplist) |
8268 | goto efault; | |
a2155fcc | 8269 | for(i = 0;i < ret; i++) |
0c866a7e | 8270 | target_grouplist[i] = tswapid(high2lowgid(grouplist[i])); |
03903ffc | 8271 | unlock_user(target_grouplist, arg2, gidsetsize * sizeof(target_id)); |
67867308 FB |
8272 | } |
8273 | } | |
8274 | break; | |
8275 | case TARGET_NR_setgroups: | |
8276 | { | |
8277 | int gidsetsize = arg1; | |
0c866a7e | 8278 | target_id *target_grouplist; |
f2b79ce9 | 8279 | gid_t *grouplist = NULL; |
67867308 | 8280 | int i; |
f2b79ce9 DA |
8281 | if (gidsetsize) { |
8282 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
03903ffc | 8283 | target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * sizeof(target_id), 1); |
f2b79ce9 DA |
8284 | if (!target_grouplist) { |
8285 | ret = -TARGET_EFAULT; | |
8286 | goto fail; | |
8287 | } | |
8288 | for (i = 0; i < gidsetsize; i++) { | |
8289 | grouplist[i] = low2highgid(tswapid(target_grouplist[i])); | |
8290 | } | |
8291 | unlock_user(target_grouplist, arg2, 0); | |
579a97f7 | 8292 | } |
67867308 FB |
8293 | ret = get_errno(setgroups(gidsetsize, grouplist)); |
8294 | } | |
8295 | break; | |
8296 | case TARGET_NR_fchown: | |
8297 | ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); | |
8298 | break; | |
c0d472b1 | 8299 | #if defined(TARGET_NR_fchownat) |
ccfa72b7 | 8300 | case TARGET_NR_fchownat: |
579a97f7 FB |
8301 | if (!(p = lock_user_string(arg2))) |
8302 | goto efault; | |
c0d472b1 PM |
8303 | ret = get_errno(fchownat(arg1, p, low2highuid(arg3), |
8304 | low2highgid(arg4), arg5)); | |
579a97f7 | 8305 | unlock_user(p, arg2, 0); |
ccfa72b7 TS |
8306 | break; |
8307 | #endif | |
67867308 FB |
8308 | #ifdef TARGET_NR_setresuid |
8309 | case TARGET_NR_setresuid: | |
5fafdf24 TS |
8310 | ret = get_errno(setresuid(low2highuid(arg1), |
8311 | low2highuid(arg2), | |
67867308 FB |
8312 | low2highuid(arg3))); |
8313 | break; | |
8314 | #endif | |
8315 | #ifdef TARGET_NR_getresuid | |
8316 | case TARGET_NR_getresuid: | |
8317 | { | |
53a5960a | 8318 | uid_t ruid, euid, suid; |
67867308 FB |
8319 | ret = get_errno(getresuid(&ruid, &euid, &suid)); |
8320 | if (!is_error(ret)) { | |
76ca310a PM |
8321 | if (put_user_id(high2lowuid(ruid), arg1) |
8322 | || put_user_id(high2lowuid(euid), arg2) | |
8323 | || put_user_id(high2lowuid(suid), arg3)) | |
2f619698 | 8324 | goto efault; |
67867308 FB |
8325 | } |
8326 | } | |
8327 | break; | |
8328 | #endif | |
8329 | #ifdef TARGET_NR_getresgid | |
8330 | case TARGET_NR_setresgid: | |
5fafdf24 TS |
8331 | ret = get_errno(setresgid(low2highgid(arg1), |
8332 | low2highgid(arg2), | |
67867308 FB |
8333 | low2highgid(arg3))); |
8334 | break; | |
8335 | #endif | |
8336 | #ifdef TARGET_NR_getresgid | |
8337 | case TARGET_NR_getresgid: | |
8338 | { | |
53a5960a | 8339 | gid_t rgid, egid, sgid; |
67867308 FB |
8340 | ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
8341 | if (!is_error(ret)) { | |
76ca310a PM |
8342 | if (put_user_id(high2lowgid(rgid), arg1) |
8343 | || put_user_id(high2lowgid(egid), arg2) | |
8344 | || put_user_id(high2lowgid(sgid), arg3)) | |
2f619698 | 8345 | goto efault; |
67867308 FB |
8346 | } |
8347 | } | |
8348 | break; | |
8349 | #endif | |
8350 | case TARGET_NR_chown: | |
579a97f7 FB |
8351 | if (!(p = lock_user_string(arg1))) |
8352 | goto efault; | |
53a5960a PB |
8353 | ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3))); |
8354 | unlock_user(p, arg1, 0); | |
67867308 FB |
8355 | break; |
8356 | case TARGET_NR_setuid: | |
8357 | ret = get_errno(setuid(low2highuid(arg1))); | |
8358 | break; | |
8359 | case TARGET_NR_setgid: | |
8360 | ret = get_errno(setgid(low2highgid(arg1))); | |
8361 | break; | |
8362 | case TARGET_NR_setfsuid: | |
8363 | ret = get_errno(setfsuid(arg1)); | |
8364 | break; | |
8365 | case TARGET_NR_setfsgid: | |
8366 | ret = get_errno(setfsgid(arg1)); | |
8367 | break; | |
67867308 | 8368 | |
a315a145 | 8369 | #ifdef TARGET_NR_lchown32 |
31e31b8a | 8370 | case TARGET_NR_lchown32: |
579a97f7 FB |
8371 | if (!(p = lock_user_string(arg1))) |
8372 | goto efault; | |
53a5960a PB |
8373 | ret = get_errno(lchown(p, arg2, arg3)); |
8374 | unlock_user(p, arg1, 0); | |
b03c60f3 | 8375 | break; |
a315a145 FB |
8376 | #endif |
8377 | #ifdef TARGET_NR_getuid32 | |
31e31b8a | 8378 | case TARGET_NR_getuid32: |
b03c60f3 FB |
8379 | ret = get_errno(getuid()); |
8380 | break; | |
a315a145 | 8381 | #endif |
64b4d28c AJ |
8382 | |
8383 | #if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA) | |
8384 | /* Alpha specific */ | |
8385 | case TARGET_NR_getxuid: | |
ba0e276d RH |
8386 | { |
8387 | uid_t euid; | |
8388 | euid=geteuid(); | |
8389 | ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid; | |
8390 | } | |
64b4d28c AJ |
8391 | ret = get_errno(getuid()); |
8392 | break; | |
8393 | #endif | |
8394 | #if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA) | |
8395 | /* Alpha specific */ | |
8396 | case TARGET_NR_getxgid: | |
ba0e276d RH |
8397 | { |
8398 | uid_t egid; | |
8399 | egid=getegid(); | |
8400 | ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid; | |
8401 | } | |
64b4d28c AJ |
8402 | ret = get_errno(getgid()); |
8403 | break; | |
8404 | #endif | |
ba0e276d RH |
8405 | #if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA) |
8406 | /* Alpha specific */ | |
8407 | case TARGET_NR_osf_getsysinfo: | |
8408 | ret = -TARGET_EOPNOTSUPP; | |
8409 | switch (arg1) { | |
8410 | case TARGET_GSI_IEEE_FP_CONTROL: | |
8411 | { | |
8412 | uint64_t swcr, fpcr = cpu_alpha_load_fpcr (cpu_env); | |
8413 | ||
8414 | /* Copied from linux ieee_fpcr_to_swcr. */ | |
8415 | swcr = (fpcr >> 35) & SWCR_STATUS_MASK; | |
8416 | swcr |= (fpcr >> 36) & SWCR_MAP_DMZ; | |
8417 | swcr |= (~fpcr >> 48) & (SWCR_TRAP_ENABLE_INV | |
8418 | | SWCR_TRAP_ENABLE_DZE | |
8419 | | SWCR_TRAP_ENABLE_OVF); | |
8420 | swcr |= (~fpcr >> 57) & (SWCR_TRAP_ENABLE_UNF | |
8421 | | SWCR_TRAP_ENABLE_INE); | |
8422 | swcr |= (fpcr >> 47) & SWCR_MAP_UMZ; | |
8423 | swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO; | |
8424 | ||
8425 | if (put_user_u64 (swcr, arg2)) | |
8426 | goto efault; | |
8427 | ret = 0; | |
8428 | } | |
8429 | break; | |
8430 | ||
8431 | /* case GSI_IEEE_STATE_AT_SIGNAL: | |
8432 | -- Not implemented in linux kernel. | |
8433 | case GSI_UACPROC: | |
8434 | -- Retrieves current unaligned access state; not much used. | |
8435 | case GSI_PROC_TYPE: | |
8436 | -- Retrieves implver information; surely not used. | |
8437 | case GSI_GET_HWRPB: | |
8438 | -- Grabs a copy of the HWRPB; surely not used. | |
8439 | */ | |
8440 | } | |
8441 | break; | |
8442 | #endif | |
8443 | #if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA) | |
8444 | /* Alpha specific */ | |
8445 | case TARGET_NR_osf_setsysinfo: | |
8446 | ret = -TARGET_EOPNOTSUPP; | |
8447 | switch (arg1) { | |
8448 | case TARGET_SSI_IEEE_FP_CONTROL: | |
ba0e276d RH |
8449 | { |
8450 | uint64_t swcr, fpcr, orig_fpcr; | |
8451 | ||
6e06d515 | 8452 | if (get_user_u64 (swcr, arg2)) { |
ba0e276d | 8453 | goto efault; |
6e06d515 RH |
8454 | } |
8455 | orig_fpcr = cpu_alpha_load_fpcr(cpu_env); | |
ba0e276d RH |
8456 | fpcr = orig_fpcr & FPCR_DYN_MASK; |
8457 | ||
8458 | /* Copied from linux ieee_swcr_to_fpcr. */ | |
8459 | fpcr |= (swcr & SWCR_STATUS_MASK) << 35; | |
8460 | fpcr |= (swcr & SWCR_MAP_DMZ) << 36; | |
8461 | fpcr |= (~swcr & (SWCR_TRAP_ENABLE_INV | |
8462 | | SWCR_TRAP_ENABLE_DZE | |
8463 | | SWCR_TRAP_ENABLE_OVF)) << 48; | |
8464 | fpcr |= (~swcr & (SWCR_TRAP_ENABLE_UNF | |
8465 | | SWCR_TRAP_ENABLE_INE)) << 57; | |
8466 | fpcr |= (swcr & SWCR_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0); | |
8467 | fpcr |= (~swcr & SWCR_TRAP_ENABLE_DNO) << 41; | |
8468 | ||
6e06d515 | 8469 | cpu_alpha_store_fpcr(cpu_env, fpcr); |
ba0e276d | 8470 | ret = 0; |
6e06d515 RH |
8471 | } |
8472 | break; | |
8473 | ||
8474 | case TARGET_SSI_IEEE_RAISE_EXCEPTION: | |
8475 | { | |
8476 | uint64_t exc, fpcr, orig_fpcr; | |
8477 | int si_code; | |
8478 | ||
8479 | if (get_user_u64(exc, arg2)) { | |
8480 | goto efault; | |
8481 | } | |
ba0e276d | 8482 | |
6e06d515 | 8483 | orig_fpcr = cpu_alpha_load_fpcr(cpu_env); |
ba0e276d | 8484 | |
6e06d515 RH |
8485 | /* We only add to the exception status here. */ |
8486 | fpcr = orig_fpcr | ((exc & SWCR_STATUS_MASK) << 35); | |
8487 | ||
8488 | cpu_alpha_store_fpcr(cpu_env, fpcr); | |
8489 | ret = 0; | |
8490 | ||
8491 | /* Old exceptions are not signaled. */ | |
8492 | fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK); | |
8493 | ||
8494 | /* If any exceptions set by this call, | |
8495 | and are unmasked, send a signal. */ | |
8496 | si_code = 0; | |
8497 | if ((fpcr & (FPCR_INE | FPCR_INED)) == FPCR_INE) { | |
8498 | si_code = TARGET_FPE_FLTRES; | |
8499 | } | |
8500 | if ((fpcr & (FPCR_UNF | FPCR_UNFD)) == FPCR_UNF) { | |
8501 | si_code = TARGET_FPE_FLTUND; | |
8502 | } | |
8503 | if ((fpcr & (FPCR_OVF | FPCR_OVFD)) == FPCR_OVF) { | |
8504 | si_code = TARGET_FPE_FLTOVF; | |
8505 | } | |
8506 | if ((fpcr & (FPCR_DZE | FPCR_DZED)) == FPCR_DZE) { | |
8507 | si_code = TARGET_FPE_FLTDIV; | |
8508 | } | |
8509 | if ((fpcr & (FPCR_INV | FPCR_INVD)) == FPCR_INV) { | |
8510 | si_code = TARGET_FPE_FLTINV; | |
8511 | } | |
8512 | if (si_code != 0) { | |
8513 | target_siginfo_t info; | |
8514 | info.si_signo = SIGFPE; | |
8515 | info.si_errno = 0; | |
8516 | info.si_code = si_code; | |
8517 | info._sifields._sigfault._addr | |
8518 | = ((CPUArchState *)cpu_env)->pc; | |
8519 | queue_signal((CPUArchState *)cpu_env, info.si_signo, &info); | |
ba0e276d RH |
8520 | } |
8521 | } | |
8522 | break; | |
8523 | ||
8524 | /* case SSI_NVPAIRS: | |
8525 | -- Used with SSIN_UACPROC to enable unaligned accesses. | |
8526 | case SSI_IEEE_STATE_AT_SIGNAL: | |
8527 | case SSI_IEEE_IGNORE_STATE_AT_SIGNAL: | |
8528 | -- Not implemented in linux kernel | |
8529 | */ | |
8530 | } | |
8531 | break; | |
8532 | #endif | |
8533 | #ifdef TARGET_NR_osf_sigprocmask | |
8534 | /* Alpha specific. */ | |
8535 | case TARGET_NR_osf_sigprocmask: | |
8536 | { | |
8537 | abi_ulong mask; | |
bc088ba1 | 8538 | int how; |
ba0e276d RH |
8539 | sigset_t set, oldset; |
8540 | ||
8541 | switch(arg1) { | |
8542 | case TARGET_SIG_BLOCK: | |
8543 | how = SIG_BLOCK; | |
8544 | break; | |
8545 | case TARGET_SIG_UNBLOCK: | |
8546 | how = SIG_UNBLOCK; | |
8547 | break; | |
8548 | case TARGET_SIG_SETMASK: | |
8549 | how = SIG_SETMASK; | |
8550 | break; | |
8551 | default: | |
8552 | ret = -TARGET_EINVAL; | |
8553 | goto fail; | |
8554 | } | |
8555 | mask = arg2; | |
8556 | target_to_host_old_sigset(&set, &mask); | |
1c275925 | 8557 | do_sigprocmask(how, &set, &oldset); |
ba0e276d RH |
8558 | host_to_target_old_sigset(&mask, &oldset); |
8559 | ret = mask; | |
8560 | } | |
8561 | break; | |
8562 | #endif | |
64b4d28c | 8563 | |
a315a145 | 8564 | #ifdef TARGET_NR_getgid32 |
31e31b8a | 8565 | case TARGET_NR_getgid32: |
b03c60f3 FB |
8566 | ret = get_errno(getgid()); |
8567 | break; | |
a315a145 FB |
8568 | #endif |
8569 | #ifdef TARGET_NR_geteuid32 | |
31e31b8a | 8570 | case TARGET_NR_geteuid32: |
b03c60f3 FB |
8571 | ret = get_errno(geteuid()); |
8572 | break; | |
a315a145 FB |
8573 | #endif |
8574 | #ifdef TARGET_NR_getegid32 | |
31e31b8a | 8575 | case TARGET_NR_getegid32: |
b03c60f3 FB |
8576 | ret = get_errno(getegid()); |
8577 | break; | |
a315a145 FB |
8578 | #endif |
8579 | #ifdef TARGET_NR_setreuid32 | |
31e31b8a | 8580 | case TARGET_NR_setreuid32: |
b03c60f3 FB |
8581 | ret = get_errno(setreuid(arg1, arg2)); |
8582 | break; | |
a315a145 FB |
8583 | #endif |
8584 | #ifdef TARGET_NR_setregid32 | |
31e31b8a | 8585 | case TARGET_NR_setregid32: |
b03c60f3 FB |
8586 | ret = get_errno(setregid(arg1, arg2)); |
8587 | break; | |
a315a145 FB |
8588 | #endif |
8589 | #ifdef TARGET_NR_getgroups32 | |
31e31b8a | 8590 | case TARGET_NR_getgroups32: |
99c475ab FB |
8591 | { |
8592 | int gidsetsize = arg1; | |
53a5960a | 8593 | uint32_t *target_grouplist; |
99c475ab FB |
8594 | gid_t *grouplist; |
8595 | int i; | |
8596 | ||
8597 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
8598 | ret = get_errno(getgroups(gidsetsize, grouplist)); | |
cb3bc233 AZ |
8599 | if (gidsetsize == 0) |
8600 | break; | |
99c475ab | 8601 | if (!is_error(ret)) { |
579a97f7 FB |
8602 | target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0); |
8603 | if (!target_grouplist) { | |
8604 | ret = -TARGET_EFAULT; | |
8605 | goto fail; | |
8606 | } | |
a2155fcc | 8607 | for(i = 0;i < ret; i++) |
53a5960a PB |
8608 | target_grouplist[i] = tswap32(grouplist[i]); |
8609 | unlock_user(target_grouplist, arg2, gidsetsize * 4); | |
99c475ab FB |
8610 | } |
8611 | } | |
8612 | break; | |
a315a145 FB |
8613 | #endif |
8614 | #ifdef TARGET_NR_setgroups32 | |
31e31b8a | 8615 | case TARGET_NR_setgroups32: |
99c475ab FB |
8616 | { |
8617 | int gidsetsize = arg1; | |
53a5960a | 8618 | uint32_t *target_grouplist; |
99c475ab FB |
8619 | gid_t *grouplist; |
8620 | int i; | |
3b46e624 | 8621 | |
99c475ab | 8622 | grouplist = alloca(gidsetsize * sizeof(gid_t)); |
579a97f7 FB |
8623 | target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1); |
8624 | if (!target_grouplist) { | |
8625 | ret = -TARGET_EFAULT; | |
8626 | goto fail; | |
8627 | } | |
99c475ab | 8628 | for(i = 0;i < gidsetsize; i++) |
53a5960a PB |
8629 | grouplist[i] = tswap32(target_grouplist[i]); |
8630 | unlock_user(target_grouplist, arg2, 0); | |
99c475ab FB |
8631 | ret = get_errno(setgroups(gidsetsize, grouplist)); |
8632 | } | |
8633 | break; | |
a315a145 FB |
8634 | #endif |
8635 | #ifdef TARGET_NR_fchown32 | |
31e31b8a | 8636 | case TARGET_NR_fchown32: |
b03c60f3 FB |
8637 | ret = get_errno(fchown(arg1, arg2, arg3)); |
8638 | break; | |
a315a145 FB |
8639 | #endif |
8640 | #ifdef TARGET_NR_setresuid32 | |
31e31b8a | 8641 | case TARGET_NR_setresuid32: |
b03c60f3 FB |
8642 | ret = get_errno(setresuid(arg1, arg2, arg3)); |
8643 | break; | |
a315a145 FB |
8644 | #endif |
8645 | #ifdef TARGET_NR_getresuid32 | |
31e31b8a | 8646 | case TARGET_NR_getresuid32: |
b03c60f3 | 8647 | { |
53a5960a | 8648 | uid_t ruid, euid, suid; |
b03c60f3 FB |
8649 | ret = get_errno(getresuid(&ruid, &euid, &suid)); |
8650 | if (!is_error(ret)) { | |
2f619698 FB |
8651 | if (put_user_u32(ruid, arg1) |
8652 | || put_user_u32(euid, arg2) | |
8653 | || put_user_u32(suid, arg3)) | |
8654 | goto efault; | |
b03c60f3 FB |
8655 | } |
8656 | } | |
8657 | break; | |
a315a145 FB |
8658 | #endif |
8659 | #ifdef TARGET_NR_setresgid32 | |
31e31b8a | 8660 | case TARGET_NR_setresgid32: |
b03c60f3 FB |
8661 | ret = get_errno(setresgid(arg1, arg2, arg3)); |
8662 | break; | |
a315a145 FB |
8663 | #endif |
8664 | #ifdef TARGET_NR_getresgid32 | |
31e31b8a | 8665 | case TARGET_NR_getresgid32: |
b03c60f3 | 8666 | { |
53a5960a | 8667 | gid_t rgid, egid, sgid; |
b03c60f3 FB |
8668 | ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
8669 | if (!is_error(ret)) { | |
2f619698 FB |
8670 | if (put_user_u32(rgid, arg1) |
8671 | || put_user_u32(egid, arg2) | |
8672 | || put_user_u32(sgid, arg3)) | |
8673 | goto efault; | |
b03c60f3 FB |
8674 | } |
8675 | } | |
8676 | break; | |
a315a145 FB |
8677 | #endif |
8678 | #ifdef TARGET_NR_chown32 | |
31e31b8a | 8679 | case TARGET_NR_chown32: |
579a97f7 FB |
8680 | if (!(p = lock_user_string(arg1))) |
8681 | goto efault; | |
53a5960a PB |
8682 | ret = get_errno(chown(p, arg2, arg3)); |
8683 | unlock_user(p, arg1, 0); | |
b03c60f3 | 8684 | break; |
a315a145 FB |
8685 | #endif |
8686 | #ifdef TARGET_NR_setuid32 | |
31e31b8a | 8687 | case TARGET_NR_setuid32: |
b03c60f3 FB |
8688 | ret = get_errno(setuid(arg1)); |
8689 | break; | |
a315a145 FB |
8690 | #endif |
8691 | #ifdef TARGET_NR_setgid32 | |
31e31b8a | 8692 | case TARGET_NR_setgid32: |
b03c60f3 FB |
8693 | ret = get_errno(setgid(arg1)); |
8694 | break; | |
a315a145 FB |
8695 | #endif |
8696 | #ifdef TARGET_NR_setfsuid32 | |
31e31b8a | 8697 | case TARGET_NR_setfsuid32: |
b03c60f3 FB |
8698 | ret = get_errno(setfsuid(arg1)); |
8699 | break; | |
a315a145 FB |
8700 | #endif |
8701 | #ifdef TARGET_NR_setfsgid32 | |
31e31b8a | 8702 | case TARGET_NR_setfsgid32: |
b03c60f3 FB |
8703 | ret = get_errno(setfsgid(arg1)); |
8704 | break; | |
a315a145 | 8705 | #endif |
67867308 | 8706 | |
31e31b8a | 8707 | case TARGET_NR_pivot_root: |
b03c60f3 | 8708 | goto unimplemented; |
ffa65c3b | 8709 | #ifdef TARGET_NR_mincore |
31e31b8a | 8710 | case TARGET_NR_mincore: |
04bb9ace AJ |
8711 | { |
8712 | void *a; | |
8713 | ret = -TARGET_EFAULT; | |
8714 | if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0))) | |
8715 | goto efault; | |
8716 | if (!(p = lock_user_string(arg3))) | |
8717 | goto mincore_fail; | |
8718 | ret = get_errno(mincore(a, arg2, p)); | |
8719 | unlock_user(p, arg3, ret); | |
8720 | mincore_fail: | |
8721 | unlock_user(a, arg1, 0); | |
8722 | } | |
8723 | break; | |
ffa65c3b | 8724 | #endif |
408321b6 AJ |
8725 | #ifdef TARGET_NR_arm_fadvise64_64 |
8726 | case TARGET_NR_arm_fadvise64_64: | |
8727 | { | |
8728 | /* | |
8729 | * arm_fadvise64_64 looks like fadvise64_64 but | |
8730 | * with different argument order | |
8731 | */ | |
8732 | abi_long temp; | |
8733 | temp = arg3; | |
8734 | arg3 = arg4; | |
8735 | arg4 = temp; | |
8736 | } | |
8737 | #endif | |
e72d2cc7 | 8738 | #if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64) |
408321b6 AJ |
8739 | #ifdef TARGET_NR_fadvise64_64 |
8740 | case TARGET_NR_fadvise64_64: | |
8741 | #endif | |
e72d2cc7 UH |
8742 | #ifdef TARGET_NR_fadvise64 |
8743 | case TARGET_NR_fadvise64: | |
8744 | #endif | |
8745 | #ifdef TARGET_S390X | |
8746 | switch (arg4) { | |
8747 | case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */ | |
8748 | case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */ | |
8749 | case 6: arg4 = POSIX_FADV_DONTNEED; break; | |
8750 | case 7: arg4 = POSIX_FADV_NOREUSE; break; | |
8751 | default: break; | |
8752 | } | |
8753 | #endif | |
8754 | ret = -posix_fadvise(arg1, arg2, arg3, arg4); | |
408321b6 AJ |
8755 | break; |
8756 | #endif | |
ffa65c3b | 8757 | #ifdef TARGET_NR_madvise |
31e31b8a | 8758 | case TARGET_NR_madvise: |
24836689 | 8759 | /* A straight passthrough may not be safe because qemu sometimes |
d2d6b857 | 8760 | turns private file-backed mappings into anonymous mappings. |
24836689 PB |
8761 | This will break MADV_DONTNEED. |
8762 | This is a hint, so ignoring and returning success is ok. */ | |
8763 | ret = get_errno(0); | |
8764 | break; | |
ffa65c3b | 8765 | #endif |
992f48a0 | 8766 | #if TARGET_ABI_BITS == 32 |
31e31b8a | 8767 | case TARGET_NR_fcntl64: |
77e4672d | 8768 | { |
b1e341eb | 8769 | int cmd; |
77e4672d | 8770 | struct flock64 fl; |
53a5960a | 8771 | struct target_flock64 *target_fl; |
ce4defa0 | 8772 | #ifdef TARGET_ARM |
53a5960a | 8773 | struct target_eabi_flock64 *target_efl; |
ce4defa0 | 8774 | #endif |
77e4672d | 8775 | |
5f106811 | 8776 | cmd = target_to_host_fcntl_cmd(arg2); |
31b63193 PM |
8777 | if (cmd == -TARGET_EINVAL) { |
8778 | ret = cmd; | |
8779 | break; | |
8780 | } | |
b1e341eb | 8781 | |
60cd49d5 | 8782 | switch(arg2) { |
b1e341eb | 8783 | case TARGET_F_GETLK64: |
5813427b TS |
8784 | #ifdef TARGET_ARM |
8785 | if (((CPUARMState *)cpu_env)->eabi) { | |
9ee1fa2c FB |
8786 | if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1)) |
8787 | goto efault; | |
5813427b TS |
8788 | fl.l_type = tswap16(target_efl->l_type); |
8789 | fl.l_whence = tswap16(target_efl->l_whence); | |
8790 | fl.l_start = tswap64(target_efl->l_start); | |
8791 | fl.l_len = tswap64(target_efl->l_len); | |
7e22e546 | 8792 | fl.l_pid = tswap32(target_efl->l_pid); |
5813427b TS |
8793 | unlock_user_struct(target_efl, arg3, 0); |
8794 | } else | |
8795 | #endif | |
8796 | { | |
9ee1fa2c FB |
8797 | if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) |
8798 | goto efault; | |
5813427b TS |
8799 | fl.l_type = tswap16(target_fl->l_type); |
8800 | fl.l_whence = tswap16(target_fl->l_whence); | |
8801 | fl.l_start = tswap64(target_fl->l_start); | |
8802 | fl.l_len = tswap64(target_fl->l_len); | |
7e22e546 | 8803 | fl.l_pid = tswap32(target_fl->l_pid); |
5813427b TS |
8804 | unlock_user_struct(target_fl, arg3, 0); |
8805 | } | |
b1e341eb | 8806 | ret = get_errno(fcntl(arg1, cmd, &fl)); |
77e4672d | 8807 | if (ret == 0) { |
ce4defa0 PB |
8808 | #ifdef TARGET_ARM |
8809 | if (((CPUARMState *)cpu_env)->eabi) { | |
9ee1fa2c FB |
8810 | if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0)) |
8811 | goto efault; | |
ce4defa0 PB |
8812 | target_efl->l_type = tswap16(fl.l_type); |
8813 | target_efl->l_whence = tswap16(fl.l_whence); | |
8814 | target_efl->l_start = tswap64(fl.l_start); | |
8815 | target_efl->l_len = tswap64(fl.l_len); | |
7e22e546 | 8816 | target_efl->l_pid = tswap32(fl.l_pid); |
53a5960a | 8817 | unlock_user_struct(target_efl, arg3, 1); |
ce4defa0 PB |
8818 | } else |
8819 | #endif | |
8820 | { | |
9ee1fa2c FB |
8821 | if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0)) |
8822 | goto efault; | |
ce4defa0 PB |
8823 | target_fl->l_type = tswap16(fl.l_type); |
8824 | target_fl->l_whence = tswap16(fl.l_whence); | |
8825 | target_fl->l_start = tswap64(fl.l_start); | |
8826 | target_fl->l_len = tswap64(fl.l_len); | |
7e22e546 | 8827 | target_fl->l_pid = tswap32(fl.l_pid); |
53a5960a | 8828 | unlock_user_struct(target_fl, arg3, 1); |
ce4defa0 | 8829 | } |
77e4672d FB |
8830 | } |
8831 | break; | |
8832 | ||
b1e341eb TS |
8833 | case TARGET_F_SETLK64: |
8834 | case TARGET_F_SETLKW64: | |
ce4defa0 PB |
8835 | #ifdef TARGET_ARM |
8836 | if (((CPUARMState *)cpu_env)->eabi) { | |
9ee1fa2c FB |
8837 | if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1)) |
8838 | goto efault; | |
ce4defa0 PB |
8839 | fl.l_type = tswap16(target_efl->l_type); |
8840 | fl.l_whence = tswap16(target_efl->l_whence); | |
8841 | fl.l_start = tswap64(target_efl->l_start); | |
8842 | fl.l_len = tswap64(target_efl->l_len); | |
7e22e546 | 8843 | fl.l_pid = tswap32(target_efl->l_pid); |
53a5960a | 8844 | unlock_user_struct(target_efl, arg3, 0); |
ce4defa0 PB |
8845 | } else |
8846 | #endif | |
8847 | { | |
9ee1fa2c FB |
8848 | if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) |
8849 | goto efault; | |
ce4defa0 PB |
8850 | fl.l_type = tswap16(target_fl->l_type); |
8851 | fl.l_whence = tswap16(target_fl->l_whence); | |
8852 | fl.l_start = tswap64(target_fl->l_start); | |
8853 | fl.l_len = tswap64(target_fl->l_len); | |
7e22e546 | 8854 | fl.l_pid = tswap32(target_fl->l_pid); |
53a5960a | 8855 | unlock_user_struct(target_fl, arg3, 0); |
ce4defa0 | 8856 | } |
b1e341eb | 8857 | ret = get_errno(fcntl(arg1, cmd, &fl)); |
77e4672d | 8858 | break; |
60cd49d5 | 8859 | default: |
5f106811 | 8860 | ret = do_fcntl(arg1, arg2, arg3); |
60cd49d5 FB |
8861 | break; |
8862 | } | |
77e4672d FB |
8863 | break; |
8864 | } | |
60cd49d5 | 8865 | #endif |
7d600c80 TS |
8866 | #ifdef TARGET_NR_cacheflush |
8867 | case TARGET_NR_cacheflush: | |
8868 | /* self-modifying code is handled automatically, so nothing needed */ | |
8869 | ret = 0; | |
8870 | break; | |
8871 | #endif | |
ebc05488 | 8872 | #ifdef TARGET_NR_security |
31e31b8a FB |
8873 | case TARGET_NR_security: |
8874 | goto unimplemented; | |
c573ff67 FB |
8875 | #endif |
8876 | #ifdef TARGET_NR_getpagesize | |
8877 | case TARGET_NR_getpagesize: | |
8878 | ret = TARGET_PAGE_SIZE; | |
8879 | break; | |
ebc05488 | 8880 | #endif |
31e31b8a FB |
8881 | case TARGET_NR_gettid: |
8882 | ret = get_errno(gettid()); | |
8883 | break; | |
e5febef5 | 8884 | #ifdef TARGET_NR_readahead |
31e31b8a | 8885 | case TARGET_NR_readahead: |
2054ac9b | 8886 | #if TARGET_ABI_BITS == 32 |
48e515d4 | 8887 | if (regpairs_aligned(cpu_env)) { |
2054ac9b AJ |
8888 | arg2 = arg3; |
8889 | arg3 = arg4; | |
8890 | arg4 = arg5; | |
8891 | } | |
2054ac9b AJ |
8892 | ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4)); |
8893 | #else | |
8894 | ret = get_errno(readahead(arg1, arg2, arg3)); | |
8895 | #endif | |
8896 | break; | |
e5febef5 | 8897 | #endif |
a790ae38 | 8898 | #ifdef CONFIG_ATTR |
ebc05488 | 8899 | #ifdef TARGET_NR_setxattr |
31e31b8a FB |
8900 | case TARGET_NR_listxattr: |
8901 | case TARGET_NR_llistxattr: | |
fb5590f7 PM |
8902 | { |
8903 | void *p, *b = 0; | |
8904 | if (arg2) { | |
8905 | b = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
8906 | if (!b) { | |
8907 | ret = -TARGET_EFAULT; | |
8908 | break; | |
8909 | } | |
8910 | } | |
8911 | p = lock_user_string(arg1); | |
8912 | if (p) { | |
8913 | if (num == TARGET_NR_listxattr) { | |
8914 | ret = get_errno(listxattr(p, b, arg3)); | |
8915 | } else { | |
8916 | ret = get_errno(llistxattr(p, b, arg3)); | |
8917 | } | |
8918 | } else { | |
8919 | ret = -TARGET_EFAULT; | |
8920 | } | |
8921 | unlock_user(p, arg1, 0); | |
8922 | unlock_user(b, arg2, arg3); | |
8923 | break; | |
8924 | } | |
31e31b8a | 8925 | case TARGET_NR_flistxattr: |
fb5590f7 PM |
8926 | { |
8927 | void *b = 0; | |
8928 | if (arg2) { | |
8929 | b = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
8930 | if (!b) { | |
8931 | ret = -TARGET_EFAULT; | |
8932 | break; | |
8933 | } | |
8934 | } | |
8935 | ret = get_errno(flistxattr(arg1, b, arg3)); | |
8936 | unlock_user(b, arg2, arg3); | |
6f932f91 | 8937 | break; |
fb5590f7 | 8938 | } |
a790ae38 | 8939 | case TARGET_NR_setxattr: |
30297b55 | 8940 | case TARGET_NR_lsetxattr: |
a790ae38 | 8941 | { |
e3c33ec6 PM |
8942 | void *p, *n, *v = 0; |
8943 | if (arg3) { | |
8944 | v = lock_user(VERIFY_READ, arg3, arg4, 1); | |
8945 | if (!v) { | |
8946 | ret = -TARGET_EFAULT; | |
8947 | break; | |
8948 | } | |
8949 | } | |
a790ae38 ACH |
8950 | p = lock_user_string(arg1); |
8951 | n = lock_user_string(arg2); | |
e3c33ec6 | 8952 | if (p && n) { |
30297b55 PM |
8953 | if (num == TARGET_NR_setxattr) { |
8954 | ret = get_errno(setxattr(p, n, v, arg4, arg5)); | |
8955 | } else { | |
8956 | ret = get_errno(lsetxattr(p, n, v, arg4, arg5)); | |
8957 | } | |
a790ae38 ACH |
8958 | } else { |
8959 | ret = -TARGET_EFAULT; | |
8960 | } | |
8961 | unlock_user(p, arg1, 0); | |
8962 | unlock_user(n, arg2, 0); | |
8963 | unlock_user(v, arg3, 0); | |
8964 | } | |
8965 | break; | |
30297b55 PM |
8966 | case TARGET_NR_fsetxattr: |
8967 | { | |
8968 | void *n, *v = 0; | |
8969 | if (arg3) { | |
8970 | v = lock_user(VERIFY_READ, arg3, arg4, 1); | |
8971 | if (!v) { | |
8972 | ret = -TARGET_EFAULT; | |
8973 | break; | |
8974 | } | |
8975 | } | |
8976 | n = lock_user_string(arg2); | |
8977 | if (n) { | |
8978 | ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5)); | |
8979 | } else { | |
8980 | ret = -TARGET_EFAULT; | |
8981 | } | |
8982 | unlock_user(n, arg2, 0); | |
8983 | unlock_user(v, arg3, 0); | |
8984 | } | |
8985 | break; | |
a790ae38 | 8986 | case TARGET_NR_getxattr: |
30297b55 | 8987 | case TARGET_NR_lgetxattr: |
a790ae38 | 8988 | { |
e3c33ec6 PM |
8989 | void *p, *n, *v = 0; |
8990 | if (arg3) { | |
8991 | v = lock_user(VERIFY_WRITE, arg3, arg4, 0); | |
8992 | if (!v) { | |
8993 | ret = -TARGET_EFAULT; | |
8994 | break; | |
8995 | } | |
8996 | } | |
a790ae38 ACH |
8997 | p = lock_user_string(arg1); |
8998 | n = lock_user_string(arg2); | |
e3c33ec6 | 8999 | if (p && n) { |
30297b55 PM |
9000 | if (num == TARGET_NR_getxattr) { |
9001 | ret = get_errno(getxattr(p, n, v, arg4)); | |
9002 | } else { | |
9003 | ret = get_errno(lgetxattr(p, n, v, arg4)); | |
9004 | } | |
a790ae38 ACH |
9005 | } else { |
9006 | ret = -TARGET_EFAULT; | |
9007 | } | |
9008 | unlock_user(p, arg1, 0); | |
9009 | unlock_user(n, arg2, 0); | |
9010 | unlock_user(v, arg3, arg4); | |
9011 | } | |
9012 | break; | |
30297b55 PM |
9013 | case TARGET_NR_fgetxattr: |
9014 | { | |
9015 | void *n, *v = 0; | |
9016 | if (arg3) { | |
9017 | v = lock_user(VERIFY_WRITE, arg3, arg4, 0); | |
9018 | if (!v) { | |
9019 | ret = -TARGET_EFAULT; | |
9020 | break; | |
9021 | } | |
9022 | } | |
9023 | n = lock_user_string(arg2); | |
9024 | if (n) { | |
9025 | ret = get_errno(fgetxattr(arg1, n, v, arg4)); | |
9026 | } else { | |
9027 | ret = -TARGET_EFAULT; | |
9028 | } | |
9029 | unlock_user(n, arg2, 0); | |
9030 | unlock_user(v, arg3, arg4); | |
9031 | } | |
9032 | break; | |
a790ae38 | 9033 | case TARGET_NR_removexattr: |
30297b55 | 9034 | case TARGET_NR_lremovexattr: |
a790ae38 ACH |
9035 | { |
9036 | void *p, *n; | |
9037 | p = lock_user_string(arg1); | |
9038 | n = lock_user_string(arg2); | |
9039 | if (p && n) { | |
30297b55 PM |
9040 | if (num == TARGET_NR_removexattr) { |
9041 | ret = get_errno(removexattr(p, n)); | |
9042 | } else { | |
9043 | ret = get_errno(lremovexattr(p, n)); | |
9044 | } | |
a790ae38 ACH |
9045 | } else { |
9046 | ret = -TARGET_EFAULT; | |
9047 | } | |
9048 | unlock_user(p, arg1, 0); | |
9049 | unlock_user(n, arg2, 0); | |
9050 | } | |
9051 | break; | |
30297b55 PM |
9052 | case TARGET_NR_fremovexattr: |
9053 | { | |
9054 | void *n; | |
9055 | n = lock_user_string(arg2); | |
9056 | if (n) { | |
9057 | ret = get_errno(fremovexattr(arg1, n)); | |
9058 | } else { | |
9059 | ret = -TARGET_EFAULT; | |
9060 | } | |
9061 | unlock_user(n, arg2, 0); | |
9062 | } | |
9063 | break; | |
ebc05488 | 9064 | #endif |
a790ae38 | 9065 | #endif /* CONFIG_ATTR */ |
ebc05488 | 9066 | #ifdef TARGET_NR_set_thread_area |
5cd4393b | 9067 | case TARGET_NR_set_thread_area: |
8d18e893 | 9068 | #if defined(TARGET_MIPS) |
d279279e | 9069 | ((CPUMIPSState *) cpu_env)->active_tc.CP0_UserLocal = arg1; |
6f5b89a0 TS |
9070 | ret = 0; |
9071 | break; | |
ef96779b EI |
9072 | #elif defined(TARGET_CRIS) |
9073 | if (arg1 & 0xff) | |
9074 | ret = -TARGET_EINVAL; | |
9075 | else { | |
9076 | ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1; | |
9077 | ret = 0; | |
9078 | } | |
9079 | break; | |
8d18e893 FB |
9080 | #elif defined(TARGET_I386) && defined(TARGET_ABI32) |
9081 | ret = do_set_thread_area(cpu_env, arg1); | |
9082 | break; | |
1ccd9374 PM |
9083 | #elif defined(TARGET_M68K) |
9084 | { | |
0429a971 | 9085 | TaskState *ts = cpu->opaque; |
1ccd9374 | 9086 | ts->tp_value = arg1; |
95c1eb19 | 9087 | ret = 0; |
1ccd9374 PM |
9088 | break; |
9089 | } | |
6f5b89a0 TS |
9090 | #else |
9091 | goto unimplemented_nowarn; | |
9092 | #endif | |
9093 | #endif | |
9094 | #ifdef TARGET_NR_get_thread_area | |
5cd4393b | 9095 | case TARGET_NR_get_thread_area: |
8d18e893 FB |
9096 | #if defined(TARGET_I386) && defined(TARGET_ABI32) |
9097 | ret = do_get_thread_area(cpu_env, arg1); | |
d312bbe1 | 9098 | break; |
1ccd9374 PM |
9099 | #elif defined(TARGET_M68K) |
9100 | { | |
0429a971 | 9101 | TaskState *ts = cpu->opaque; |
1ccd9374 PM |
9102 | ret = ts->tp_value; |
9103 | break; | |
9104 | } | |
8d18e893 | 9105 | #else |
5cd4393b | 9106 | goto unimplemented_nowarn; |
48dc41eb | 9107 | #endif |
8d18e893 | 9108 | #endif |
48dc41eb FB |
9109 | #ifdef TARGET_NR_getdomainname |
9110 | case TARGET_NR_getdomainname: | |
9111 | goto unimplemented_nowarn; | |
ebc05488 | 9112 | #endif |
6f5b89a0 | 9113 | |
b5906f95 TS |
9114 | #ifdef TARGET_NR_clock_gettime |
9115 | case TARGET_NR_clock_gettime: | |
9116 | { | |
9117 | struct timespec ts; | |
9118 | ret = get_errno(clock_gettime(arg1, &ts)); | |
9119 | if (!is_error(ret)) { | |
9120 | host_to_target_timespec(arg2, &ts); | |
9121 | } | |
9122 | break; | |
9123 | } | |
9124 | #endif | |
9125 | #ifdef TARGET_NR_clock_getres | |
9126 | case TARGET_NR_clock_getres: | |
9127 | { | |
9128 | struct timespec ts; | |
9129 | ret = get_errno(clock_getres(arg1, &ts)); | |
9130 | if (!is_error(ret)) { | |
9131 | host_to_target_timespec(arg2, &ts); | |
9132 | } | |
9133 | break; | |
9134 | } | |
9135 | #endif | |
63d7651b PB |
9136 | #ifdef TARGET_NR_clock_nanosleep |
9137 | case TARGET_NR_clock_nanosleep: | |
9138 | { | |
9139 | struct timespec ts; | |
9140 | target_to_host_timespec(&ts, arg3); | |
9141 | ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL)); | |
9142 | if (arg4) | |
9143 | host_to_target_timespec(arg4, &ts); | |
8fbe8fdf TM |
9144 | |
9145 | #if defined(TARGET_PPC) | |
9146 | /* clock_nanosleep is odd in that it returns positive errno values. | |
9147 | * On PPC, CR0 bit 3 should be set in such a situation. */ | |
9148 | if (ret) { | |
9149 | ((CPUPPCState *)cpu_env)->crf[0] |= 1; | |
9150 | } | |
9151 | #endif | |
63d7651b PB |
9152 | break; |
9153 | } | |
9154 | #endif | |
b5906f95 | 9155 | |
6f5b89a0 TS |
9156 | #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) |
9157 | case TARGET_NR_set_tid_address: | |
579a97f7 FB |
9158 | ret = get_errno(set_tid_address((int *)g2h(arg1))); |
9159 | break; | |
6f5b89a0 TS |
9160 | #endif |
9161 | ||
3ae43202 | 9162 | #if defined(TARGET_NR_tkill) && defined(__NR_tkill) |
4cae1d16 | 9163 | case TARGET_NR_tkill: |
4cb05961 | 9164 | ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2))); |
4cae1d16 TS |
9165 | break; |
9166 | #endif | |
9167 | ||
3ae43202 | 9168 | #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill) |
71455574 | 9169 | case TARGET_NR_tgkill: |
4cb05961 PB |
9170 | ret = get_errno(sys_tgkill((int)arg1, (int)arg2, |
9171 | target_to_host_signal(arg3))); | |
71455574 TS |
9172 | break; |
9173 | #endif | |
9174 | ||
4f2b1fe8 TS |
9175 | #ifdef TARGET_NR_set_robust_list |
9176 | case TARGET_NR_set_robust_list: | |
e9a970a8 PM |
9177 | case TARGET_NR_get_robust_list: |
9178 | /* The ABI for supporting robust futexes has userspace pass | |
9179 | * the kernel a pointer to a linked list which is updated by | |
9180 | * userspace after the syscall; the list is walked by the kernel | |
9181 | * when the thread exits. Since the linked list in QEMU guest | |
9182 | * memory isn't a valid linked list for the host and we have | |
9183 | * no way to reliably intercept the thread-death event, we can't | |
9184 | * support these. Silently return ENOSYS so that guest userspace | |
9185 | * falls back to a non-robust futex implementation (which should | |
9186 | * be OK except in the corner case of the guest crashing while | |
9187 | * holding a mutex that is shared with another process via | |
9188 | * shared memory). | |
9189 | */ | |
9190 | goto unimplemented_nowarn; | |
4f2b1fe8 TS |
9191 | #endif |
9192 | ||
1acae9f2 | 9193 | #if defined(TARGET_NR_utimensat) |
9007f0ef TS |
9194 | case TARGET_NR_utimensat: |
9195 | { | |
ebc996f3 RV |
9196 | struct timespec *tsp, ts[2]; |
9197 | if (!arg3) { | |
9198 | tsp = NULL; | |
9199 | } else { | |
9200 | target_to_host_timespec(ts, arg3); | |
9201 | target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec)); | |
9202 | tsp = ts; | |
9203 | } | |
9007f0ef | 9204 | if (!arg2) |
ebc996f3 | 9205 | ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4)); |
9007f0ef | 9206 | else { |
579a97f7 | 9207 | if (!(p = lock_user_string(arg2))) { |
0da46a6e | 9208 | ret = -TARGET_EFAULT; |
579a97f7 FB |
9209 | goto fail; |
9210 | } | |
ebc996f3 | 9211 | ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4)); |
579a97f7 | 9212 | unlock_user(p, arg2, 0); |
9007f0ef TS |
9213 | } |
9214 | } | |
9215 | break; | |
9216 | #endif | |
bd0c5661 PB |
9217 | case TARGET_NR_futex: |
9218 | ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6); | |
9219 | break; | |
dbfe4c36 | 9220 | #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init) |
39b59763 AJ |
9221 | case TARGET_NR_inotify_init: |
9222 | ret = get_errno(sys_inotify_init()); | |
9223 | break; | |
9224 | #endif | |
a1606b0b | 9225 | #ifdef CONFIG_INOTIFY1 |
c05c7a73 RV |
9226 | #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1) |
9227 | case TARGET_NR_inotify_init1: | |
9228 | ret = get_errno(sys_inotify_init1(arg1)); | |
9229 | break; | |
9230 | #endif | |
a1606b0b | 9231 | #endif |
dbfe4c36 | 9232 | #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch) |
39b59763 AJ |
9233 | case TARGET_NR_inotify_add_watch: |
9234 | p = lock_user_string(arg2); | |
9235 | ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3)); | |
9236 | unlock_user(p, arg2, 0); | |
9237 | break; | |
9238 | #endif | |
dbfe4c36 | 9239 | #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch) |
39b59763 AJ |
9240 | case TARGET_NR_inotify_rm_watch: |
9241 | ret = get_errno(sys_inotify_rm_watch(arg1, arg2)); | |
9242 | break; | |
9243 | #endif | |
9007f0ef | 9244 | |
8ec9cf89 | 9245 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
24e1003a AJ |
9246 | case TARGET_NR_mq_open: |
9247 | { | |
b6ce1f6b | 9248 | struct mq_attr posix_mq_attr, *attrp; |
24e1003a AJ |
9249 | |
9250 | p = lock_user_string(arg1 - 1); | |
b6ce1f6b | 9251 | if (arg4 != 0) { |
24e1003a | 9252 | copy_from_user_mq_attr (&posix_mq_attr, arg4); |
b6ce1f6b TM |
9253 | attrp = &posix_mq_attr; |
9254 | } else { | |
9255 | attrp = 0; | |
9256 | } | |
9257 | ret = get_errno(mq_open(p, arg2, arg3, attrp)); | |
24e1003a AJ |
9258 | unlock_user (p, arg1, 0); |
9259 | } | |
9260 | break; | |
9261 | ||
9262 | case TARGET_NR_mq_unlink: | |
9263 | p = lock_user_string(arg1 - 1); | |
9264 | ret = get_errno(mq_unlink(p)); | |
9265 | unlock_user (p, arg1, 0); | |
9266 | break; | |
9267 | ||
9268 | case TARGET_NR_mq_timedsend: | |
9269 | { | |
9270 | struct timespec ts; | |
9271 | ||
9272 | p = lock_user (VERIFY_READ, arg2, arg3, 1); | |
9273 | if (arg5 != 0) { | |
9274 | target_to_host_timespec(&ts, arg5); | |
9275 | ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts)); | |
9276 | host_to_target_timespec(arg5, &ts); | |
9277 | } | |
9278 | else | |
9279 | ret = get_errno(mq_send(arg1, p, arg3, arg4)); | |
9280 | unlock_user (p, arg2, arg3); | |
9281 | } | |
9282 | break; | |
9283 | ||
9284 | case TARGET_NR_mq_timedreceive: | |
9285 | { | |
9286 | struct timespec ts; | |
9287 | unsigned int prio; | |
9288 | ||
9289 | p = lock_user (VERIFY_READ, arg2, arg3, 1); | |
9290 | if (arg5 != 0) { | |
9291 | target_to_host_timespec(&ts, arg5); | |
9292 | ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts)); | |
9293 | host_to_target_timespec(arg5, &ts); | |
9294 | } | |
9295 | else | |
9296 | ret = get_errno(mq_receive(arg1, p, arg3, &prio)); | |
9297 | unlock_user (p, arg2, arg3); | |
9298 | if (arg4 != 0) | |
9299 | put_user_u32(prio, arg4); | |
9300 | } | |
9301 | break; | |
9302 | ||
9303 | /* Not implemented for now... */ | |
9304 | /* case TARGET_NR_mq_notify: */ | |
9305 | /* break; */ | |
9306 | ||
9307 | case TARGET_NR_mq_getsetattr: | |
9308 | { | |
9309 | struct mq_attr posix_mq_attr_in, posix_mq_attr_out; | |
9310 | ret = 0; | |
9311 | if (arg3 != 0) { | |
9312 | ret = mq_getattr(arg1, &posix_mq_attr_out); | |
9313 | copy_to_user_mq_attr(arg3, &posix_mq_attr_out); | |
9314 | } | |
9315 | if (arg2 != 0) { | |
9316 | copy_from_user_mq_attr(&posix_mq_attr_in, arg2); | |
9317 | ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out); | |
9318 | } | |
9319 | ||
9320 | } | |
9321 | break; | |
9322 | #endif | |
9323 | ||
3ce34dfb VS |
9324 | #ifdef CONFIG_SPLICE |
9325 | #ifdef TARGET_NR_tee | |
9326 | case TARGET_NR_tee: | |
9327 | { | |
9328 | ret = get_errno(tee(arg1,arg2,arg3,arg4)); | |
9329 | } | |
9330 | break; | |
9331 | #endif | |
9332 | #ifdef TARGET_NR_splice | |
9333 | case TARGET_NR_splice: | |
9334 | { | |
9335 | loff_t loff_in, loff_out; | |
9336 | loff_t *ploff_in = NULL, *ploff_out = NULL; | |
9337 | if(arg2) { | |
9338 | get_user_u64(loff_in, arg2); | |
9339 | ploff_in = &loff_in; | |
9340 | } | |
9341 | if(arg4) { | |
9342 | get_user_u64(loff_out, arg2); | |
9343 | ploff_out = &loff_out; | |
9344 | } | |
9345 | ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6)); | |
9346 | } | |
9347 | break; | |
9348 | #endif | |
9349 | #ifdef TARGET_NR_vmsplice | |
9350 | case TARGET_NR_vmsplice: | |
9351 | { | |
f287b2c2 RH |
9352 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); |
9353 | if (vec != NULL) { | |
9354 | ret = get_errno(vmsplice(arg1, vec, arg3, arg4)); | |
9355 | unlock_iovec(vec, arg2, arg3, 0); | |
9356 | } else { | |
9357 | ret = -host_to_target_errno(errno); | |
9358 | } | |
3ce34dfb VS |
9359 | } |
9360 | break; | |
9361 | #endif | |
9362 | #endif /* CONFIG_SPLICE */ | |
c2882b96 RV |
9363 | #ifdef CONFIG_EVENTFD |
9364 | #if defined(TARGET_NR_eventfd) | |
9365 | case TARGET_NR_eventfd: | |
9366 | ret = get_errno(eventfd(arg1, 0)); | |
9367 | break; | |
9368 | #endif | |
9369 | #if defined(TARGET_NR_eventfd2) | |
9370 | case TARGET_NR_eventfd2: | |
5947c697 PJ |
9371 | { |
9372 | int host_flags = arg2 & (~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC)); | |
9373 | if (arg2 & TARGET_O_NONBLOCK) { | |
9374 | host_flags |= O_NONBLOCK; | |
9375 | } | |
9376 | if (arg2 & TARGET_O_CLOEXEC) { | |
9377 | host_flags |= O_CLOEXEC; | |
9378 | } | |
9379 | ret = get_errno(eventfd(arg1, host_flags)); | |
c2882b96 | 9380 | break; |
5947c697 | 9381 | } |
c2882b96 RV |
9382 | #endif |
9383 | #endif /* CONFIG_EVENTFD */ | |
d0927938 UH |
9384 | #if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate) |
9385 | case TARGET_NR_fallocate: | |
20249ae1 AG |
9386 | #if TARGET_ABI_BITS == 32 |
9387 | ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4), | |
9388 | target_offset64(arg5, arg6))); | |
9389 | #else | |
d0927938 | 9390 | ret = get_errno(fallocate(arg1, arg2, arg3, arg4)); |
20249ae1 | 9391 | #endif |
d0927938 | 9392 | break; |
c727f47d PM |
9393 | #endif |
9394 | #if defined(CONFIG_SYNC_FILE_RANGE) | |
9395 | #if defined(TARGET_NR_sync_file_range) | |
9396 | case TARGET_NR_sync_file_range: | |
9397 | #if TARGET_ABI_BITS == 32 | |
bfcedc57 RV |
9398 | #if defined(TARGET_MIPS) |
9399 | ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4), | |
9400 | target_offset64(arg5, arg6), arg7)); | |
9401 | #else | |
c727f47d PM |
9402 | ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3), |
9403 | target_offset64(arg4, arg5), arg6)); | |
bfcedc57 | 9404 | #endif /* !TARGET_MIPS */ |
c727f47d PM |
9405 | #else |
9406 | ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4)); | |
9407 | #endif | |
9408 | break; | |
9409 | #endif | |
9410 | #if defined(TARGET_NR_sync_file_range2) | |
9411 | case TARGET_NR_sync_file_range2: | |
9412 | /* This is like sync_file_range but the arguments are reordered */ | |
9413 | #if TARGET_ABI_BITS == 32 | |
9414 | ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4), | |
9415 | target_offset64(arg5, arg6), arg2)); | |
9416 | #else | |
9417 | ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2)); | |
9418 | #endif | |
9419 | break; | |
9420 | #endif | |
3b6edd16 PM |
9421 | #endif |
9422 | #if defined(CONFIG_EPOLL) | |
9423 | #if defined(TARGET_NR_epoll_create) | |
9424 | case TARGET_NR_epoll_create: | |
9425 | ret = get_errno(epoll_create(arg1)); | |
9426 | break; | |
9427 | #endif | |
9428 | #if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1) | |
9429 | case TARGET_NR_epoll_create1: | |
9430 | ret = get_errno(epoll_create1(arg1)); | |
9431 | break; | |
9432 | #endif | |
9433 | #if defined(TARGET_NR_epoll_ctl) | |
9434 | case TARGET_NR_epoll_ctl: | |
9435 | { | |
9436 | struct epoll_event ep; | |
9437 | struct epoll_event *epp = 0; | |
9438 | if (arg4) { | |
9439 | struct target_epoll_event *target_ep; | |
9440 | if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) { | |
9441 | goto efault; | |
9442 | } | |
9443 | ep.events = tswap32(target_ep->events); | |
9444 | /* The epoll_data_t union is just opaque data to the kernel, | |
9445 | * so we transfer all 64 bits across and need not worry what | |
9446 | * actual data type it is. | |
9447 | */ | |
9448 | ep.data.u64 = tswap64(target_ep->data.u64); | |
9449 | unlock_user_struct(target_ep, arg4, 0); | |
9450 | epp = &ep; | |
9451 | } | |
9452 | ret = get_errno(epoll_ctl(arg1, arg2, arg3, epp)); | |
9453 | break; | |
9454 | } | |
9455 | #endif | |
9456 | ||
9457 | #if defined(TARGET_NR_epoll_pwait) && defined(CONFIG_EPOLL_PWAIT) | |
9458 | #define IMPLEMENT_EPOLL_PWAIT | |
9459 | #endif | |
9460 | #if defined(TARGET_NR_epoll_wait) || defined(IMPLEMENT_EPOLL_PWAIT) | |
9461 | #if defined(TARGET_NR_epoll_wait) | |
9462 | case TARGET_NR_epoll_wait: | |
9463 | #endif | |
9464 | #if defined(IMPLEMENT_EPOLL_PWAIT) | |
9465 | case TARGET_NR_epoll_pwait: | |
9466 | #endif | |
9467 | { | |
9468 | struct target_epoll_event *target_ep; | |
9469 | struct epoll_event *ep; | |
9470 | int epfd = arg1; | |
9471 | int maxevents = arg3; | |
9472 | int timeout = arg4; | |
9473 | ||
9474 | target_ep = lock_user(VERIFY_WRITE, arg2, | |
9475 | maxevents * sizeof(struct target_epoll_event), 1); | |
9476 | if (!target_ep) { | |
9477 | goto efault; | |
9478 | } | |
9479 | ||
9480 | ep = alloca(maxevents * sizeof(struct epoll_event)); | |
9481 | ||
9482 | switch (num) { | |
9483 | #if defined(IMPLEMENT_EPOLL_PWAIT) | |
9484 | case TARGET_NR_epoll_pwait: | |
9485 | { | |
9486 | target_sigset_t *target_set; | |
9487 | sigset_t _set, *set = &_set; | |
9488 | ||
9489 | if (arg5) { | |
9490 | target_set = lock_user(VERIFY_READ, arg5, | |
9491 | sizeof(target_sigset_t), 1); | |
9492 | if (!target_set) { | |
9493 | unlock_user(target_ep, arg2, 0); | |
9494 | goto efault; | |
9495 | } | |
9496 | target_to_host_sigset(set, target_set); | |
9497 | unlock_user(target_set, arg5, 0); | |
9498 | } else { | |
9499 | set = NULL; | |
9500 | } | |
9501 | ||
9502 | ret = get_errno(epoll_pwait(epfd, ep, maxevents, timeout, set)); | |
9503 | break; | |
9504 | } | |
9505 | #endif | |
9506 | #if defined(TARGET_NR_epoll_wait) | |
9507 | case TARGET_NR_epoll_wait: | |
9508 | ret = get_errno(epoll_wait(epfd, ep, maxevents, timeout)); | |
9509 | break; | |
9510 | #endif | |
9511 | default: | |
9512 | ret = -TARGET_ENOSYS; | |
9513 | } | |
9514 | if (!is_error(ret)) { | |
9515 | int i; | |
9516 | for (i = 0; i < ret; i++) { | |
9517 | target_ep[i].events = tswap32(ep[i].events); | |
9518 | target_ep[i].data.u64 = tswap64(ep[i].data.u64); | |
9519 | } | |
9520 | } | |
9521 | unlock_user(target_ep, arg2, ret * sizeof(struct target_epoll_event)); | |
9522 | break; | |
9523 | } | |
9524 | #endif | |
163a05a8 PM |
9525 | #endif |
9526 | #ifdef TARGET_NR_prlimit64 | |
9527 | case TARGET_NR_prlimit64: | |
9528 | { | |
9529 | /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */ | |
9530 | struct target_rlimit64 *target_rnew, *target_rold; | |
9531 | struct host_rlimit64 rnew, rold, *rnewp = 0; | |
9532 | if (arg3) { | |
9533 | if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) { | |
9534 | goto efault; | |
9535 | } | |
9536 | rnew.rlim_cur = tswap64(target_rnew->rlim_cur); | |
9537 | rnew.rlim_max = tswap64(target_rnew->rlim_max); | |
9538 | unlock_user_struct(target_rnew, arg3, 0); | |
9539 | rnewp = &rnew; | |
9540 | } | |
9541 | ||
9542 | ret = get_errno(sys_prlimit64(arg1, arg2, rnewp, arg4 ? &rold : 0)); | |
9543 | if (!is_error(ret) && arg4) { | |
9544 | if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) { | |
9545 | goto efault; | |
9546 | } | |
9547 | target_rold->rlim_cur = tswap64(rold.rlim_cur); | |
9548 | target_rold->rlim_max = tswap64(rold.rlim_max); | |
9549 | unlock_user_struct(target_rold, arg4, 1); | |
9550 | } | |
9551 | break; | |
9552 | } | |
3d21d29c RH |
9553 | #endif |
9554 | #ifdef TARGET_NR_gethostname | |
9555 | case TARGET_NR_gethostname: | |
9556 | { | |
9557 | char *name = lock_user(VERIFY_WRITE, arg1, arg2, 0); | |
9558 | if (name) { | |
9559 | ret = get_errno(gethostname(name, arg2)); | |
9560 | unlock_user(name, arg1, arg2); | |
9561 | } else { | |
9562 | ret = -TARGET_EFAULT; | |
9563 | } | |
9564 | break; | |
9565 | } | |
89aaf1a6 RV |
9566 | #endif |
9567 | #ifdef TARGET_NR_atomic_cmpxchg_32 | |
9568 | case TARGET_NR_atomic_cmpxchg_32: | |
9569 | { | |
9570 | /* should use start_exclusive from main.c */ | |
9571 | abi_ulong mem_value; | |
9572 | if (get_user_u32(mem_value, arg6)) { | |
9573 | target_siginfo_t info; | |
9574 | info.si_signo = SIGSEGV; | |
9575 | info.si_errno = 0; | |
9576 | info.si_code = TARGET_SEGV_MAPERR; | |
9577 | info._sifields._sigfault._addr = arg6; | |
9578 | queue_signal((CPUArchState *)cpu_env, info.si_signo, &info); | |
9579 | ret = 0xdeadbeef; | |
9580 | ||
9581 | } | |
9582 | if (mem_value == arg2) | |
9583 | put_user_u32(arg1, arg6); | |
9584 | ret = mem_value; | |
9585 | break; | |
9586 | } | |
9587 | #endif | |
9588 | #ifdef TARGET_NR_atomic_barrier | |
9589 | case TARGET_NR_atomic_barrier: | |
9590 | { | |
9591 | /* Like the kernel implementation and the qemu arm barrier, no-op this? */ | |
3b899ea7 | 9592 | ret = 0; |
89aaf1a6 RV |
9593 | break; |
9594 | } | |
d0927938 | 9595 | #endif |
f4f1e10a ECL |
9596 | |
9597 | #ifdef TARGET_NR_timer_create | |
9598 | case TARGET_NR_timer_create: | |
9599 | { | |
9600 | /* args: clockid_t clockid, struct sigevent *sevp, timer_t *timerid */ | |
9601 | ||
9602 | struct sigevent host_sevp = { {0}, }, *phost_sevp = NULL; | |
f4f1e10a ECL |
9603 | |
9604 | int clkid = arg1; | |
9605 | int timer_index = next_free_host_timer(); | |
9606 | ||
9607 | if (timer_index < 0) { | |
9608 | ret = -TARGET_EAGAIN; | |
9609 | } else { | |
9610 | timer_t *phtimer = g_posix_timers + timer_index; | |
9611 | ||
9612 | if (arg2) { | |
f4f1e10a | 9613 | phost_sevp = &host_sevp; |
c065976f PM |
9614 | ret = target_to_host_sigevent(phost_sevp, arg2); |
9615 | if (ret != 0) { | |
9616 | break; | |
9617 | } | |
f4f1e10a ECL |
9618 | } |
9619 | ||
9620 | ret = get_errno(timer_create(clkid, phost_sevp, phtimer)); | |
9621 | if (ret) { | |
9622 | phtimer = NULL; | |
9623 | } else { | |
aecc8861 | 9624 | if (put_user(TIMER_MAGIC | timer_index, arg3, target_timer_t)) { |
f4f1e10a ECL |
9625 | goto efault; |
9626 | } | |
f4f1e10a ECL |
9627 | } |
9628 | } | |
9629 | break; | |
9630 | } | |
9631 | #endif | |
9632 | ||
9633 | #ifdef TARGET_NR_timer_settime | |
9634 | case TARGET_NR_timer_settime: | |
9635 | { | |
9636 | /* args: timer_t timerid, int flags, const struct itimerspec *new_value, | |
9637 | * struct itimerspec * old_value */ | |
aecc8861 | 9638 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 9639 | |
aecc8861 AG |
9640 | if (timerid < 0) { |
9641 | ret = timerid; | |
9642 | } else if (arg3 == 0) { | |
f4f1e10a ECL |
9643 | ret = -TARGET_EINVAL; |
9644 | } else { | |
e52a99f7 | 9645 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
9646 | struct itimerspec hspec_new = {{0},}, hspec_old = {{0},}; |
9647 | ||
9648 | target_to_host_itimerspec(&hspec_new, arg3); | |
9649 | ret = get_errno( | |
9650 | timer_settime(htimer, arg2, &hspec_new, &hspec_old)); | |
9651 | host_to_target_itimerspec(arg2, &hspec_old); | |
9652 | } | |
9653 | break; | |
9654 | } | |
9655 | #endif | |
9656 | ||
9657 | #ifdef TARGET_NR_timer_gettime | |
9658 | case TARGET_NR_timer_gettime: | |
9659 | { | |
9660 | /* args: timer_t timerid, struct itimerspec *curr_value */ | |
aecc8861 | 9661 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 9662 | |
aecc8861 AG |
9663 | if (timerid < 0) { |
9664 | ret = timerid; | |
9665 | } else if (!arg2) { | |
9666 | ret = -TARGET_EFAULT; | |
f4f1e10a | 9667 | } else { |
e52a99f7 | 9668 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
9669 | struct itimerspec hspec; |
9670 | ret = get_errno(timer_gettime(htimer, &hspec)); | |
9671 | ||
9672 | if (host_to_target_itimerspec(arg2, &hspec)) { | |
9673 | ret = -TARGET_EFAULT; | |
9674 | } | |
9675 | } | |
9676 | break; | |
9677 | } | |
9678 | #endif | |
9679 | ||
9680 | #ifdef TARGET_NR_timer_getoverrun | |
9681 | case TARGET_NR_timer_getoverrun: | |
9682 | { | |
9683 | /* args: timer_t timerid */ | |
aecc8861 | 9684 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 9685 | |
aecc8861 AG |
9686 | if (timerid < 0) { |
9687 | ret = timerid; | |
f4f1e10a | 9688 | } else { |
e52a99f7 | 9689 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
9690 | ret = get_errno(timer_getoverrun(htimer)); |
9691 | } | |
9692 | break; | |
9693 | } | |
9694 | #endif | |
9695 | ||
9696 | #ifdef TARGET_NR_timer_delete | |
9697 | case TARGET_NR_timer_delete: | |
9698 | { | |
9699 | /* args: timer_t timerid */ | |
aecc8861 | 9700 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 9701 | |
aecc8861 AG |
9702 | if (timerid < 0) { |
9703 | ret = timerid; | |
f4f1e10a | 9704 | } else { |
e52a99f7 | 9705 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a | 9706 | ret = get_errno(timer_delete(htimer)); |
e52a99f7 | 9707 | g_posix_timers[timerid] = 0; |
f4f1e10a ECL |
9708 | } |
9709 | break; | |
9710 | } | |
9711 | #endif | |
9712 | ||
51834341 RV |
9713 | #if defined(TARGET_NR_timerfd_create) && defined(CONFIG_TIMERFD) |
9714 | case TARGET_NR_timerfd_create: | |
9715 | ret = get_errno(timerfd_create(arg1, | |
9716 | target_to_host_bitmask(arg2, fcntl_flags_tbl))); | |
9717 | break; | |
9718 | #endif | |
9719 | ||
9720 | #if defined(TARGET_NR_timerfd_gettime) && defined(CONFIG_TIMERFD) | |
9721 | case TARGET_NR_timerfd_gettime: | |
9722 | { | |
9723 | struct itimerspec its_curr; | |
9724 | ||
9725 | ret = get_errno(timerfd_gettime(arg1, &its_curr)); | |
9726 | ||
9727 | if (arg2 && host_to_target_itimerspec(arg2, &its_curr)) { | |
9728 | goto efault; | |
9729 | } | |
9730 | } | |
9731 | break; | |
9732 | #endif | |
9733 | ||
9734 | #if defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD) | |
9735 | case TARGET_NR_timerfd_settime: | |
9736 | { | |
9737 | struct itimerspec its_new, its_old, *p_new; | |
9738 | ||
9739 | if (arg3) { | |
9740 | if (target_to_host_itimerspec(&its_new, arg3)) { | |
9741 | goto efault; | |
9742 | } | |
9743 | p_new = &its_new; | |
9744 | } else { | |
9745 | p_new = NULL; | |
9746 | } | |
9747 | ||
9748 | ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old)); | |
9749 | ||
9750 | if (arg4 && host_to_target_itimerspec(arg4, &its_old)) { | |
9751 | goto efault; | |
9752 | } | |
9753 | } | |
9754 | break; | |
9755 | #endif | |
9756 | ||
ab31cda3 PB |
9757 | #if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get) |
9758 | case TARGET_NR_ioprio_get: | |
9759 | ret = get_errno(ioprio_get(arg1, arg2)); | |
9760 | break; | |
9761 | #endif | |
9762 | ||
9763 | #if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set) | |
9764 | case TARGET_NR_ioprio_set: | |
9765 | ret = get_errno(ioprio_set(arg1, arg2, arg3)); | |
9766 | break; | |
9767 | #endif | |
9768 | ||
9af5c906 RV |
9769 | #if defined(TARGET_NR_setns) && defined(CONFIG_SETNS) |
9770 | case TARGET_NR_setns: | |
9771 | ret = get_errno(setns(arg1, arg2)); | |
9772 | break; | |
9773 | #endif | |
9774 | #if defined(TARGET_NR_unshare) && defined(CONFIG_SETNS) | |
9775 | case TARGET_NR_unshare: | |
9776 | ret = get_errno(unshare(arg1)); | |
9777 | break; | |
9778 | #endif | |
9779 | ||
31e31b8a FB |
9780 | default: |
9781 | unimplemented: | |
5cd4393b | 9782 | gemu_log("qemu: Unsupported syscall: %d\n", num); |
4f2b1fe8 | 9783 | #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list) |
5cd4393b | 9784 | unimplemented_nowarn: |
80a9d035 | 9785 | #endif |
0da46a6e | 9786 | ret = -TARGET_ENOSYS; |
31e31b8a FB |
9787 | break; |
9788 | } | |
579a97f7 | 9789 | fail: |
c573ff67 | 9790 | #ifdef DEBUG |
0bf9e31a | 9791 | gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret); |
c573ff67 | 9792 | #endif |
b92c47c1 TS |
9793 | if(do_strace) |
9794 | print_syscall_ret(num, ret); | |
31e31b8a | 9795 | return ret; |
579a97f7 FB |
9796 | efault: |
9797 | ret = -TARGET_EFAULT; | |
9798 | goto fail; | |
31e31b8a | 9799 | } |