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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> | |
46 | #include <signal.h> | |
47 | #include <sched.h> | |
60e99246 AJ |
48 | #ifdef __ia64__ |
49 | int __clone2(int (*fn)(void *), void *child_stack_base, | |
50 | size_t stack_size, int flags, void *arg, ...); | |
51 | #endif | |
31e31b8a | 52 | #include <sys/socket.h> |
607175e0 | 53 | #include <sys/un.h> |
31e31b8a | 54 | #include <sys/uio.h> |
9de5e440 | 55 | #include <sys/poll.h> |
32f36bce | 56 | #include <sys/times.h> |
8853f86e | 57 | #include <sys/shm.h> |
fa294816 | 58 | #include <sys/sem.h> |
56c8f68f | 59 | #include <sys/statfs.h> |
ebc05488 | 60 | #include <utime.h> |
a5448a7d | 61 | #include <sys/sysinfo.h> |
3b3f24ad | 62 | #include <sys/utsname.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" |
9788c9ca | 69 | #ifdef TARGET_GPROF |
6d946cda AJ |
70 | #include <sys/gmon.h> |
71 | #endif | |
c2882b96 RV |
72 | #ifdef CONFIG_EVENTFD |
73 | #include <sys/eventfd.h> | |
74 | #endif | |
3b6edd16 PM |
75 | #ifdef CONFIG_EPOLL |
76 | #include <sys/epoll.h> | |
77 | #endif | |
a790ae38 | 78 | #ifdef CONFIG_ATTR |
1de7afc9 | 79 | #include "qemu/xattr.h" |
a790ae38 | 80 | #endif |
a8fd1aba PM |
81 | #ifdef CONFIG_SENDFILE |
82 | #include <sys/sendfile.h> | |
83 | #endif | |
31e31b8a FB |
84 | |
85 | #define termios host_termios | |
86 | #define winsize host_winsize | |
87 | #define termio host_termio | |
04369ff2 FB |
88 | #define sgttyb host_sgttyb /* same as target */ |
89 | #define tchars host_tchars /* same as target */ | |
90 | #define ltchars host_ltchars /* same as target */ | |
31e31b8a FB |
91 | |
92 | #include <linux/termios.h> | |
93 | #include <linux/unistd.h> | |
94 | #include <linux/utsname.h> | |
95 | #include <linux/cdrom.h> | |
96 | #include <linux/hdreg.h> | |
97 | #include <linux/soundcard.h> | |
19b84f3c | 98 | #include <linux/kd.h> |
8fbd6b52 | 99 | #include <linux/mtio.h> |
350d1779 | 100 | #include <linux/fs.h> |
dace20dc | 101 | #if defined(CONFIG_FIEMAP) |
285da2b9 | 102 | #include <linux/fiemap.h> |
dace20dc | 103 | #endif |
f7680a55 UH |
104 | #include <linux/fb.h> |
105 | #include <linux/vt.h> | |
56e904ec | 106 | #include <linux/dm-ioctl.h> |
c07ecc68 | 107 | #include <linux/reboot.h> |
d7e4036e | 108 | #include "linux_loop.h" |
da79030f | 109 | #include "cpu-uname.h" |
31e31b8a | 110 | |
3ef693a0 | 111 | #include "qemu.h" |
31e31b8a | 112 | |
2f7bb878 | 113 | #if defined(CONFIG_USE_NPTL) |
d865bab5 PB |
114 | #define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \ |
115 | CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID) | |
116 | #else | |
117 | /* XXX: Hardcode the above values. */ | |
118 | #define CLONE_NPTL_FLAGS2 0 | |
30813cea PB |
119 | #endif |
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 |
92a34c10 | 184 | #define __NR_sys_faccessat __NR_faccessat |
814d7977 | 185 | #define __NR_sys_fchmodat __NR_fchmodat |
ccfa72b7 | 186 | #define __NR_sys_fchownat __NR_fchownat |
6a24a778 | 187 | #define __NR_sys_fstatat64 __NR_fstatat64 |
ac8a6556 | 188 | #define __NR_sys_futimesat __NR_futimesat |
72f03900 | 189 | #define __NR_sys_getcwd1 __NR_getcwd |
72f03900 | 190 | #define __NR_sys_getdents __NR_getdents |
dab2ed99 | 191 | #define __NR_sys_getdents64 __NR_getdents64 |
c6cda17a | 192 | #define __NR_sys_getpriority __NR_getpriority |
64f0ce4c | 193 | #define __NR_sys_linkat __NR_linkat |
4472ad0d | 194 | #define __NR_sys_mkdirat __NR_mkdirat |
75ac37a0 | 195 | #define __NR_sys_mknodat __NR_mknodat |
9d33b76b | 196 | #define __NR_sys_newfstatat __NR_newfstatat |
82424832 | 197 | #define __NR_sys_openat __NR_openat |
5e0ccb18 | 198 | #define __NR_sys_readlinkat __NR_readlinkat |
722183f6 | 199 | #define __NR_sys_renameat __NR_renameat |
66fb9763 | 200 | #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo |
f0b6243d | 201 | #define __NR_sys_symlinkat __NR_symlinkat |
7494b0f9 | 202 | #define __NR_sys_syslog __NR_syslog |
71455574 | 203 | #define __NR_sys_tgkill __NR_tgkill |
4cae1d16 | 204 | #define __NR_sys_tkill __NR_tkill |
8170f56b | 205 | #define __NR_sys_unlinkat __NR_unlinkat |
9007f0ef | 206 | #define __NR_sys_utimensat __NR_utimensat |
bd0c5661 | 207 | #define __NR_sys_futex __NR_futex |
39b59763 AJ |
208 | #define __NR_sys_inotify_init __NR_inotify_init |
209 | #define __NR_sys_inotify_add_watch __NR_inotify_add_watch | |
210 | #define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch | |
31e31b8a | 211 | |
42a39fbe AG |
212 | #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) || \ |
213 | defined(__s390x__) | |
9af9eaaa FB |
214 | #define __NR__llseek __NR_lseek |
215 | #endif | |
216 | ||
72f03900 | 217 | #ifdef __NR_gettid |
31e31b8a | 218 | _syscall0(int, gettid) |
72f03900 | 219 | #else |
0da46a6e TS |
220 | /* This is a replacement for the host gettid() and must return a host |
221 | errno. */ | |
72f03900 FB |
222 | static int gettid(void) { |
223 | return -ENOSYS; | |
224 | } | |
225 | #endif | |
3b3f24ad | 226 | _syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count); |
3b3f24ad AJ |
227 | #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64) |
228 | _syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count); | |
229 | #endif | |
d35b261c | 230 | #if defined(TARGET_NR__llseek) && defined(__NR_llseek) |
3b3f24ad AJ |
231 | _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, |
232 | loff_t *, res, uint, wh); | |
233 | #endif | |
234 | _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo) | |
235 | _syscall3(int,sys_syslog,int,type,char*,bufp,int,len) | |
236 | #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill) | |
237 | _syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig) | |
238 | #endif | |
239 | #if defined(TARGET_NR_tkill) && defined(__NR_tkill) | |
240 | _syscall2(int,sys_tkill,int,tid,int,sig) | |
241 | #endif | |
242 | #ifdef __NR_exit_group | |
243 | _syscall1(int,exit_group,int,error_code) | |
244 | #endif | |
245 | #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) | |
246 | _syscall1(int,set_tid_address,int *,tidptr) | |
247 | #endif | |
2f7bb878 | 248 | #if defined(CONFIG_USE_NPTL) |
3b3f24ad AJ |
249 | #if defined(TARGET_NR_futex) && defined(__NR_futex) |
250 | _syscall6(int,sys_futex,int *,uaddr,int,op,int,val, | |
251 | const struct timespec *,timeout,int *,uaddr2,int,val3) | |
252 | #endif | |
253 | #endif | |
737de1d1 MF |
254 | #define __NR_sys_sched_getaffinity __NR_sched_getaffinity |
255 | _syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len, | |
256 | unsigned long *, user_mask_ptr); | |
257 | #define __NR_sys_sched_setaffinity __NR_sched_setaffinity | |
258 | _syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len, | |
259 | unsigned long *, user_mask_ptr); | |
0f6b4d21 AG |
260 | _syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd, |
261 | void *, arg); | |
3b3f24ad AJ |
262 | |
263 | static bitmask_transtbl fcntl_flags_tbl[] = { | |
264 | { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, }, | |
265 | { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, }, | |
266 | { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, }, | |
267 | { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, }, | |
268 | { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, }, | |
269 | { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, }, | |
270 | { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, }, | |
271 | { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, }, | |
afc8763f | 272 | { TARGET_O_SYNC, TARGET_O_DSYNC, O_SYNC, O_DSYNC, }, |
3b3f24ad AJ |
273 | { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, }, |
274 | { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, }, | |
275 | { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, }, | |
276 | { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, }, | |
3b3f24ad AJ |
277 | #if defined(O_DIRECT) |
278 | { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, }, | |
afc8763f RH |
279 | #endif |
280 | #if defined(O_NOATIME) | |
281 | { TARGET_O_NOATIME, TARGET_O_NOATIME, O_NOATIME, O_NOATIME }, | |
282 | #endif | |
283 | #if defined(O_CLOEXEC) | |
284 | { TARGET_O_CLOEXEC, TARGET_O_CLOEXEC, O_CLOEXEC, O_CLOEXEC }, | |
285 | #endif | |
286 | #if defined(O_PATH) | |
287 | { TARGET_O_PATH, TARGET_O_PATH, O_PATH, O_PATH }, | |
288 | #endif | |
289 | /* Don't terminate the list prematurely on 64-bit host+guest. */ | |
290 | #if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0 | |
291 | { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, }, | |
3b3f24ad AJ |
292 | #endif |
293 | { 0, 0, 0, 0 } | |
294 | }; | |
295 | ||
296 | #define COPY_UTSNAME_FIELD(dest, src) \ | |
297 | do { \ | |
298 | /* __NEW_UTS_LEN doesn't include terminating null */ \ | |
299 | (void) strncpy((dest), (src), __NEW_UTS_LEN); \ | |
300 | (dest)[__NEW_UTS_LEN] = '\0'; \ | |
301 | } while (0) | |
302 | ||
303 | static int sys_uname(struct new_utsname *buf) | |
304 | { | |
305 | struct utsname uts_buf; | |
306 | ||
307 | if (uname(&uts_buf) < 0) | |
308 | return (-1); | |
309 | ||
310 | /* | |
311 | * Just in case these have some differences, we | |
312 | * translate utsname to new_utsname (which is the | |
313 | * struct linux kernel uses). | |
314 | */ | |
315 | ||
67bd9ede | 316 | memset(buf, 0, sizeof(*buf)); |
3b3f24ad AJ |
317 | COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname); |
318 | COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename); | |
319 | COPY_UTSNAME_FIELD(buf->release, uts_buf.release); | |
320 | COPY_UTSNAME_FIELD(buf->version, uts_buf.version); | |
321 | COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine); | |
322 | #ifdef _GNU_SOURCE | |
323 | COPY_UTSNAME_FIELD(buf->domainname, uts_buf.domainname); | |
324 | #endif | |
325 | return (0); | |
326 | ||
327 | #undef COPY_UTSNAME_FIELD | |
328 | } | |
329 | ||
330 | static int sys_getcwd1(char *buf, size_t size) | |
331 | { | |
332 | if (getcwd(buf, size) == NULL) { | |
333 | /* getcwd() sets errno */ | |
334 | return (-1); | |
335 | } | |
aaf4ad39 | 336 | return strlen(buf)+1; |
3b3f24ad AJ |
337 | } |
338 | ||
339 | #ifdef CONFIG_ATFILE | |
340 | /* | |
341 | * Host system seems to have atfile syscall stubs available. We | |
342 | * now enable them one by one as specified by target syscall_nr.h. | |
343 | */ | |
344 | ||
345 | #ifdef TARGET_NR_faccessat | |
465c9f06 | 346 | static int sys_faccessat(int dirfd, const char *pathname, int mode) |
3b3f24ad | 347 | { |
465c9f06 | 348 | return (faccessat(dirfd, pathname, mode, 0)); |
3b3f24ad AJ |
349 | } |
350 | #endif | |
351 | #ifdef TARGET_NR_fchmodat | |
465c9f06 | 352 | static int sys_fchmodat(int dirfd, const char *pathname, mode_t mode) |
3b3f24ad | 353 | { |
465c9f06 | 354 | return (fchmodat(dirfd, pathname, mode, 0)); |
3b3f24ad AJ |
355 | } |
356 | #endif | |
0c866a7e | 357 | #if defined(TARGET_NR_fchownat) |
3b3f24ad AJ |
358 | static int sys_fchownat(int dirfd, const char *pathname, uid_t owner, |
359 | gid_t group, int flags) | |
360 | { | |
361 | return (fchownat(dirfd, pathname, owner, group, flags)); | |
362 | } | |
363 | #endif | |
364 | #ifdef __NR_fstatat64 | |
365 | static int sys_fstatat64(int dirfd, const char *pathname, struct stat *buf, | |
366 | int flags) | |
367 | { | |
368 | return (fstatat(dirfd, pathname, buf, flags)); | |
369 | } | |
370 | #endif | |
371 | #ifdef __NR_newfstatat | |
372 | static int sys_newfstatat(int dirfd, const char *pathname, struct stat *buf, | |
373 | int flags) | |
374 | { | |
375 | return (fstatat(dirfd, pathname, buf, flags)); | |
376 | } | |
377 | #endif | |
378 | #ifdef TARGET_NR_futimesat | |
379 | static int sys_futimesat(int dirfd, const char *pathname, | |
380 | const struct timeval times[2]) | |
381 | { | |
382 | return (futimesat(dirfd, pathname, times)); | |
383 | } | |
384 | #endif | |
385 | #ifdef TARGET_NR_linkat | |
386 | static int sys_linkat(int olddirfd, const char *oldpath, | |
387 | int newdirfd, const char *newpath, int flags) | |
388 | { | |
389 | return (linkat(olddirfd, oldpath, newdirfd, newpath, flags)); | |
390 | } | |
391 | #endif | |
392 | #ifdef TARGET_NR_mkdirat | |
393 | static int sys_mkdirat(int dirfd, const char *pathname, mode_t mode) | |
394 | { | |
395 | return (mkdirat(dirfd, pathname, mode)); | |
396 | } | |
397 | #endif | |
398 | #ifdef TARGET_NR_mknodat | |
399 | static int sys_mknodat(int dirfd, const char *pathname, mode_t mode, | |
400 | dev_t dev) | |
401 | { | |
402 | return (mknodat(dirfd, pathname, mode, dev)); | |
403 | } | |
404 | #endif | |
405 | #ifdef TARGET_NR_openat | |
f4c69010 | 406 | static int sys_openat(int dirfd, const char *pathname, int flags, mode_t mode) |
3b3f24ad AJ |
407 | { |
408 | /* | |
409 | * open(2) has extra parameter 'mode' when called with | |
410 | * flag O_CREAT. | |
411 | */ | |
412 | if ((flags & O_CREAT) != 0) { | |
3b3f24ad AJ |
413 | return (openat(dirfd, pathname, flags, mode)); |
414 | } | |
415 | return (openat(dirfd, pathname, flags)); | |
416 | } | |
417 | #endif | |
418 | #ifdef TARGET_NR_readlinkat | |
419 | static int sys_readlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz) | |
420 | { | |
421 | return (readlinkat(dirfd, pathname, buf, bufsiz)); | |
422 | } | |
423 | #endif | |
424 | #ifdef TARGET_NR_renameat | |
425 | static int sys_renameat(int olddirfd, const char *oldpath, | |
426 | int newdirfd, const char *newpath) | |
427 | { | |
428 | return (renameat(olddirfd, oldpath, newdirfd, newpath)); | |
429 | } | |
430 | #endif | |
431 | #ifdef TARGET_NR_symlinkat | |
432 | static int sys_symlinkat(const char *oldpath, int newdirfd, const char *newpath) | |
433 | { | |
434 | return (symlinkat(oldpath, newdirfd, newpath)); | |
435 | } | |
436 | #endif | |
437 | #ifdef TARGET_NR_unlinkat | |
438 | static int sys_unlinkat(int dirfd, const char *pathname, int flags) | |
439 | { | |
440 | return (unlinkat(dirfd, pathname, flags)); | |
441 | } | |
442 | #endif | |
3b3f24ad AJ |
443 | #else /* !CONFIG_ATFILE */ |
444 | ||
445 | /* | |
446 | * Try direct syscalls instead | |
447 | */ | |
92a34c10 | 448 | #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat) |
465c9f06 | 449 | _syscall3(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode) |
92a34c10 | 450 | #endif |
814d7977 | 451 | #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat) |
465c9f06 | 452 | _syscall3(int,sys_fchmodat,int,dirfd,const char *,pathname, mode_t,mode) |
814d7977 | 453 | #endif |
0c866a7e | 454 | #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) |
ccfa72b7 TS |
455 | _syscall5(int,sys_fchownat,int,dirfd,const char *,pathname, |
456 | uid_t,owner,gid_t,group,int,flags) | |
457 | #endif | |
9d33b76b AJ |
458 | #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \ |
459 | defined(__NR_fstatat64) | |
6a24a778 AZ |
460 | _syscall4(int,sys_fstatat64,int,dirfd,const char *,pathname, |
461 | struct stat *,buf,int,flags) | |
462 | #endif | |
ac8a6556 AZ |
463 | #if defined(TARGET_NR_futimesat) && defined(__NR_futimesat) |
464 | _syscall3(int,sys_futimesat,int,dirfd,const char *,pathname, | |
465 | const struct timeval *,times) | |
466 | #endif | |
3b3f24ad AJ |
467 | #if (defined(TARGET_NR_newfstatat) || defined(TARGET_NR_fstatat64) ) && \ |
468 | defined(__NR_newfstatat) | |
469 | _syscall4(int,sys_newfstatat,int,dirfd,const char *,pathname, | |
470 | struct stat *,buf,int,flags) | |
8fcd3692 | 471 | #endif |
64f0ce4c TS |
472 | #if defined(TARGET_NR_linkat) && defined(__NR_linkat) |
473 | _syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath, | |
3b3f24ad | 474 | int,newdirfd,const char *,newpath,int,flags) |
64f0ce4c | 475 | #endif |
4472ad0d TS |
476 | #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat) |
477 | _syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode) | |
478 | #endif | |
75ac37a0 TS |
479 | #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat) |
480 | _syscall4(int,sys_mknodat,int,dirfd,const char *,pathname, | |
481 | mode_t,mode,dev_t,dev) | |
482 | #endif | |
82424832 TS |
483 | #if defined(TARGET_NR_openat) && defined(__NR_openat) |
484 | _syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode) | |
485 | #endif | |
5e0ccb18 TS |
486 | #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat) |
487 | _syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname, | |
488 | char *,buf,size_t,bufsize) | |
489 | #endif | |
722183f6 TS |
490 | #if defined(TARGET_NR_renameat) && defined(__NR_renameat) |
491 | _syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath, | |
492 | int,newdirfd,const char *,newpath) | |
493 | #endif | |
b51eaa82 | 494 | #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat) |
f0b6243d TS |
495 | _syscall3(int,sys_symlinkat,const char *,oldpath, |
496 | int,newdirfd,const char *,newpath) | |
497 | #endif | |
8170f56b TS |
498 | #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat) |
499 | _syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags) | |
500 | #endif | |
ebc996f3 RV |
501 | |
502 | #endif /* CONFIG_ATFILE */ | |
503 | ||
504 | #ifdef CONFIG_UTIMENSAT | |
505 | static int sys_utimensat(int dirfd, const char *pathname, | |
506 | const struct timespec times[2], int flags) | |
507 | { | |
508 | if (pathname == NULL) | |
509 | return futimens(dirfd, times); | |
510 | else | |
511 | return utimensat(dirfd, pathname, times, flags); | |
512 | } | |
513 | #else | |
9007f0ef TS |
514 | #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat) |
515 | _syscall4(int,sys_utimensat,int,dirfd,const char *,pathname, | |
516 | const struct timespec *,tsp,int,flags) | |
517 | #endif | |
ebc996f3 | 518 | #endif /* CONFIG_UTIMENSAT */ |
3b3f24ad AJ |
519 | |
520 | #ifdef CONFIG_INOTIFY | |
8690e420 | 521 | #include <sys/inotify.h> |
3b3f24ad | 522 | |
39b59763 | 523 | #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init) |
3b3f24ad AJ |
524 | static int sys_inotify_init(void) |
525 | { | |
526 | return (inotify_init()); | |
527 | } | |
39b59763 AJ |
528 | #endif |
529 | #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch) | |
3b3f24ad AJ |
530 | static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask) |
531 | { | |
532 | return (inotify_add_watch(fd, pathname, mask)); | |
533 | } | |
39b59763 AJ |
534 | #endif |
535 | #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch) | |
3b3f24ad AJ |
536 | static int sys_inotify_rm_watch(int fd, int32_t wd) |
537 | { | |
8690e420 | 538 | return (inotify_rm_watch(fd, wd)); |
3b3f24ad | 539 | } |
bd0c5661 | 540 | #endif |
c05c7a73 RV |
541 | #ifdef CONFIG_INOTIFY1 |
542 | #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1) | |
543 | static int sys_inotify_init1(int flags) | |
544 | { | |
545 | return (inotify_init1(flags)); | |
546 | } | |
547 | #endif | |
548 | #endif | |
3b3f24ad AJ |
549 | #else |
550 | /* Userspace can usually survive runtime without inotify */ | |
551 | #undef TARGET_NR_inotify_init | |
c05c7a73 | 552 | #undef TARGET_NR_inotify_init1 |
3b3f24ad AJ |
553 | #undef TARGET_NR_inotify_add_watch |
554 | #undef TARGET_NR_inotify_rm_watch | |
555 | #endif /* CONFIG_INOTIFY */ | |
556 | ||
d8035d4c MF |
557 | #if defined(TARGET_NR_ppoll) |
558 | #ifndef __NR_ppoll | |
559 | # define __NR_ppoll -1 | |
560 | #endif | |
561 | #define __NR_sys_ppoll __NR_ppoll | |
562 | _syscall5(int, sys_ppoll, struct pollfd *, fds, nfds_t, nfds, | |
563 | struct timespec *, timeout, const __sigset_t *, sigmask, | |
564 | size_t, sigsetsize) | |
565 | #endif | |
66fb9763 | 566 | |
055e0906 MF |
567 | #if defined(TARGET_NR_pselect6) |
568 | #ifndef __NR_pselect6 | |
569 | # define __NR_pselect6 -1 | |
570 | #endif | |
571 | #define __NR_sys_pselect6 __NR_pselect6 | |
572 | _syscall6(int, sys_pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds, | |
573 | fd_set *, exceptfds, struct timespec *, timeout, void *, sig); | |
574 | #endif | |
575 | ||
163a05a8 PM |
576 | #if defined(TARGET_NR_prlimit64) |
577 | #ifndef __NR_prlimit64 | |
578 | # define __NR_prlimit64 -1 | |
579 | #endif | |
580 | #define __NR_sys_prlimit64 __NR_prlimit64 | |
581 | /* The glibc rlimit structure may not be that used by the underlying syscall */ | |
582 | struct host_rlimit64 { | |
583 | uint64_t rlim_cur; | |
584 | uint64_t rlim_max; | |
585 | }; | |
586 | _syscall4(int, sys_prlimit64, pid_t, pid, int, resource, | |
587 | const struct host_rlimit64 *, new_limit, | |
588 | struct host_rlimit64 *, old_limit) | |
589 | #endif | |
590 | ||
48e515d4 | 591 | /* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */ |
4a1def4e | 592 | #ifdef TARGET_ARM |
48e515d4 RV |
593 | static inline int regpairs_aligned(void *cpu_env) { |
594 | return ((((CPUARMState *)cpu_env)->eabi) == 1) ; | |
595 | } | |
596 | #elif defined(TARGET_MIPS) | |
597 | static inline int regpairs_aligned(void *cpu_env) { return 1; } | |
4a1def4e AG |
598 | #elif defined(TARGET_PPC) && !defined(TARGET_PPC64) |
599 | /* SysV AVI for PPC32 expects 64bit parameters to be passed on odd/even pairs | |
600 | * of registers which translates to the same as ARM/MIPS, because we start with | |
601 | * r3 as arg1 */ | |
602 | static inline int regpairs_aligned(void *cpu_env) { return 1; } | |
48e515d4 RV |
603 | #else |
604 | static inline int regpairs_aligned(void *cpu_env) { return 0; } | |
605 | #endif | |
606 | ||
b92c47c1 TS |
607 | #define ERRNO_TABLE_SIZE 1200 |
608 | ||
609 | /* target_to_host_errno_table[] is initialized from | |
610 | * host_to_target_errno_table[] in syscall_init(). */ | |
611 | static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = { | |
612 | }; | |
613 | ||
637947f1 | 614 | /* |
fe8f096b | 615 | * This list is the union of errno values overridden in asm-<arch>/errno.h |
637947f1 TS |
616 | * minus the errnos that are not actually generic to all archs. |
617 | */ | |
b92c47c1 | 618 | static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = { |
637947f1 TS |
619 | [EIDRM] = TARGET_EIDRM, |
620 | [ECHRNG] = TARGET_ECHRNG, | |
621 | [EL2NSYNC] = TARGET_EL2NSYNC, | |
622 | [EL3HLT] = TARGET_EL3HLT, | |
623 | [EL3RST] = TARGET_EL3RST, | |
624 | [ELNRNG] = TARGET_ELNRNG, | |
625 | [EUNATCH] = TARGET_EUNATCH, | |
626 | [ENOCSI] = TARGET_ENOCSI, | |
627 | [EL2HLT] = TARGET_EL2HLT, | |
628 | [EDEADLK] = TARGET_EDEADLK, | |
629 | [ENOLCK] = TARGET_ENOLCK, | |
630 | [EBADE] = TARGET_EBADE, | |
631 | [EBADR] = TARGET_EBADR, | |
632 | [EXFULL] = TARGET_EXFULL, | |
633 | [ENOANO] = TARGET_ENOANO, | |
634 | [EBADRQC] = TARGET_EBADRQC, | |
635 | [EBADSLT] = TARGET_EBADSLT, | |
636 | [EBFONT] = TARGET_EBFONT, | |
637 | [ENOSTR] = TARGET_ENOSTR, | |
638 | [ENODATA] = TARGET_ENODATA, | |
639 | [ETIME] = TARGET_ETIME, | |
640 | [ENOSR] = TARGET_ENOSR, | |
641 | [ENONET] = TARGET_ENONET, | |
642 | [ENOPKG] = TARGET_ENOPKG, | |
643 | [EREMOTE] = TARGET_EREMOTE, | |
644 | [ENOLINK] = TARGET_ENOLINK, | |
645 | [EADV] = TARGET_EADV, | |
646 | [ESRMNT] = TARGET_ESRMNT, | |
647 | [ECOMM] = TARGET_ECOMM, | |
648 | [EPROTO] = TARGET_EPROTO, | |
649 | [EDOTDOT] = TARGET_EDOTDOT, | |
650 | [EMULTIHOP] = TARGET_EMULTIHOP, | |
651 | [EBADMSG] = TARGET_EBADMSG, | |
652 | [ENAMETOOLONG] = TARGET_ENAMETOOLONG, | |
653 | [EOVERFLOW] = TARGET_EOVERFLOW, | |
654 | [ENOTUNIQ] = TARGET_ENOTUNIQ, | |
655 | [EBADFD] = TARGET_EBADFD, | |
656 | [EREMCHG] = TARGET_EREMCHG, | |
657 | [ELIBACC] = TARGET_ELIBACC, | |
658 | [ELIBBAD] = TARGET_ELIBBAD, | |
659 | [ELIBSCN] = TARGET_ELIBSCN, | |
660 | [ELIBMAX] = TARGET_ELIBMAX, | |
661 | [ELIBEXEC] = TARGET_ELIBEXEC, | |
662 | [EILSEQ] = TARGET_EILSEQ, | |
663 | [ENOSYS] = TARGET_ENOSYS, | |
664 | [ELOOP] = TARGET_ELOOP, | |
665 | [ERESTART] = TARGET_ERESTART, | |
666 | [ESTRPIPE] = TARGET_ESTRPIPE, | |
667 | [ENOTEMPTY] = TARGET_ENOTEMPTY, | |
668 | [EUSERS] = TARGET_EUSERS, | |
669 | [ENOTSOCK] = TARGET_ENOTSOCK, | |
670 | [EDESTADDRREQ] = TARGET_EDESTADDRREQ, | |
671 | [EMSGSIZE] = TARGET_EMSGSIZE, | |
672 | [EPROTOTYPE] = TARGET_EPROTOTYPE, | |
673 | [ENOPROTOOPT] = TARGET_ENOPROTOOPT, | |
674 | [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT, | |
675 | [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT, | |
676 | [EOPNOTSUPP] = TARGET_EOPNOTSUPP, | |
677 | [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT, | |
678 | [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT, | |
679 | [EADDRINUSE] = TARGET_EADDRINUSE, | |
680 | [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL, | |
681 | [ENETDOWN] = TARGET_ENETDOWN, | |
682 | [ENETUNREACH] = TARGET_ENETUNREACH, | |
683 | [ENETRESET] = TARGET_ENETRESET, | |
684 | [ECONNABORTED] = TARGET_ECONNABORTED, | |
685 | [ECONNRESET] = TARGET_ECONNRESET, | |
686 | [ENOBUFS] = TARGET_ENOBUFS, | |
687 | [EISCONN] = TARGET_EISCONN, | |
688 | [ENOTCONN] = TARGET_ENOTCONN, | |
689 | [EUCLEAN] = TARGET_EUCLEAN, | |
690 | [ENOTNAM] = TARGET_ENOTNAM, | |
691 | [ENAVAIL] = TARGET_ENAVAIL, | |
692 | [EISNAM] = TARGET_EISNAM, | |
693 | [EREMOTEIO] = TARGET_EREMOTEIO, | |
694 | [ESHUTDOWN] = TARGET_ESHUTDOWN, | |
695 | [ETOOMANYREFS] = TARGET_ETOOMANYREFS, | |
696 | [ETIMEDOUT] = TARGET_ETIMEDOUT, | |
697 | [ECONNREFUSED] = TARGET_ECONNREFUSED, | |
698 | [EHOSTDOWN] = TARGET_EHOSTDOWN, | |
699 | [EHOSTUNREACH] = TARGET_EHOSTUNREACH, | |
700 | [EALREADY] = TARGET_EALREADY, | |
701 | [EINPROGRESS] = TARGET_EINPROGRESS, | |
702 | [ESTALE] = TARGET_ESTALE, | |
703 | [ECANCELED] = TARGET_ECANCELED, | |
704 | [ENOMEDIUM] = TARGET_ENOMEDIUM, | |
705 | [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE, | |
b7fe5db7 | 706 | #ifdef ENOKEY |
637947f1 | 707 | [ENOKEY] = TARGET_ENOKEY, |
b7fe5db7 TS |
708 | #endif |
709 | #ifdef EKEYEXPIRED | |
637947f1 | 710 | [EKEYEXPIRED] = TARGET_EKEYEXPIRED, |
b7fe5db7 TS |
711 | #endif |
712 | #ifdef EKEYREVOKED | |
637947f1 | 713 | [EKEYREVOKED] = TARGET_EKEYREVOKED, |
b7fe5db7 TS |
714 | #endif |
715 | #ifdef EKEYREJECTED | |
637947f1 | 716 | [EKEYREJECTED] = TARGET_EKEYREJECTED, |
b7fe5db7 TS |
717 | #endif |
718 | #ifdef EOWNERDEAD | |
637947f1 | 719 | [EOWNERDEAD] = TARGET_EOWNERDEAD, |
b7fe5db7 TS |
720 | #endif |
721 | #ifdef ENOTRECOVERABLE | |
637947f1 | 722 | [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE, |
b7fe5db7 | 723 | #endif |
b92c47c1 | 724 | }; |
637947f1 TS |
725 | |
726 | static inline int host_to_target_errno(int err) | |
727 | { | |
728 | if(host_to_target_errno_table[err]) | |
729 | return host_to_target_errno_table[err]; | |
730 | return err; | |
731 | } | |
732 | ||
b92c47c1 TS |
733 | static inline int target_to_host_errno(int err) |
734 | { | |
735 | if (target_to_host_errno_table[err]) | |
736 | return target_to_host_errno_table[err]; | |
737 | return err; | |
738 | } | |
739 | ||
992f48a0 | 740 | static inline abi_long get_errno(abi_long ret) |
31e31b8a FB |
741 | { |
742 | if (ret == -1) | |
637947f1 | 743 | return -host_to_target_errno(errno); |
31e31b8a FB |
744 | else |
745 | return ret; | |
746 | } | |
747 | ||
992f48a0 | 748 | static inline int is_error(abi_long ret) |
31e31b8a | 749 | { |
992f48a0 | 750 | return (abi_ulong)ret >= (abi_ulong)(-4096); |
31e31b8a FB |
751 | } |
752 | ||
b92c47c1 TS |
753 | char *target_strerror(int err) |
754 | { | |
962b289e AG |
755 | if ((err >= ERRNO_TABLE_SIZE) || (err < 0)) { |
756 | return NULL; | |
757 | } | |
b92c47c1 TS |
758 | return strerror(target_to_host_errno(err)); |
759 | } | |
760 | ||
992f48a0 BS |
761 | static abi_ulong target_brk; |
762 | static abi_ulong target_original_brk; | |
4d1de87c | 763 | static abi_ulong brk_page; |
31e31b8a | 764 | |
992f48a0 | 765 | void target_set_brk(abi_ulong new_brk) |
31e31b8a | 766 | { |
4c1de73d | 767 | target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk); |
4d1de87c | 768 | brk_page = HOST_PAGE_ALIGN(target_brk); |
31e31b8a FB |
769 | } |
770 | ||
4d1de87c CV |
771 | //#define DEBUGF_BRK(message, args...) do { fprintf(stderr, (message), ## args); } while (0) |
772 | #define DEBUGF_BRK(message, args...) | |
773 | ||
0da46a6e | 774 | /* do_brk() must return target values and target errnos. */ |
992f48a0 | 775 | abi_long do_brk(abi_ulong new_brk) |
31e31b8a | 776 | { |
992f48a0 | 777 | abi_long mapped_addr; |
31e31b8a FB |
778 | int new_alloc_size; |
779 | ||
3a0c6c4a | 780 | DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx ") -> ", new_brk); |
4d1de87c CV |
781 | |
782 | if (!new_brk) { | |
3a0c6c4a | 783 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (!new_brk)\n", target_brk); |
53a5960a | 784 | return target_brk; |
4d1de87c CV |
785 | } |
786 | if (new_brk < target_original_brk) { | |
3a0c6c4a PB |
787 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk < target_original_brk)\n", |
788 | target_brk); | |
7ab240ad | 789 | return target_brk; |
4d1de87c | 790 | } |
3b46e624 | 791 | |
4d1de87c CV |
792 | /* If the new brk is less than the highest page reserved to the |
793 | * target heap allocation, set it and we're almost done... */ | |
794 | if (new_brk <= brk_page) { | |
795 | /* Heap contents are initialized to zero, as for anonymous | |
796 | * mapped pages. */ | |
797 | if (new_brk > target_brk) { | |
798 | memset(g2h(target_brk), 0, new_brk - target_brk); | |
799 | } | |
31e31b8a | 800 | target_brk = new_brk; |
3a0c6c4a | 801 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk <= brk_page)\n", target_brk); |
53a5960a | 802 | return target_brk; |
31e31b8a FB |
803 | } |
804 | ||
00faf08c PM |
805 | /* We need to allocate more memory after the brk... Note that |
806 | * we don't use MAP_FIXED because that will map over the top of | |
807 | * any existing mapping (like the one with the host libc or qemu | |
808 | * itself); instead we treat "mapped but at wrong address" as | |
809 | * a failure and unmap again. | |
810 | */ | |
4d1de87c | 811 | new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page); |
5fafdf24 | 812 | mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size, |
54936004 | 813 | PROT_READ|PROT_WRITE, |
00faf08c PM |
814 | MAP_ANON|MAP_PRIVATE, 0, 0)); |
815 | ||
816 | if (mapped_addr == brk_page) { | |
70afc343 CV |
817 | /* Heap contents are initialized to zero, as for anonymous |
818 | * mapped pages. Technically the new pages are already | |
819 | * initialized to zero since they *are* anonymous mapped | |
820 | * pages, however we have to take care with the contents that | |
821 | * come from the remaining part of the previous page: it may | |
822 | * contains garbage data due to a previous heap usage (grown | |
823 | * then shrunken). */ | |
824 | memset(g2h(target_brk), 0, brk_page - target_brk); | |
825 | ||
00faf08c | 826 | target_brk = new_brk; |
4d1de87c | 827 | brk_page = HOST_PAGE_ALIGN(target_brk); |
3a0c6c4a PB |
828 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr == brk_page)\n", |
829 | target_brk); | |
00faf08c PM |
830 | return target_brk; |
831 | } else if (mapped_addr != -1) { | |
832 | /* Mapped but at wrong address, meaning there wasn't actually | |
833 | * enough space for this brk. | |
834 | */ | |
835 | target_munmap(mapped_addr, new_alloc_size); | |
836 | mapped_addr = -1; | |
3a0c6c4a | 837 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr != -1)\n", target_brk); |
4d1de87c CV |
838 | } |
839 | else { | |
3a0c6c4a | 840 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (otherwise)\n", target_brk); |
00faf08c | 841 | } |
7ab240ad | 842 | |
7dd46c02 RH |
843 | #if defined(TARGET_ALPHA) |
844 | /* We (partially) emulate OSF/1 on Alpha, which requires we | |
845 | return a proper errno, not an unchanged brk value. */ | |
00faf08c | 846 | return -TARGET_ENOMEM; |
7dd46c02 | 847 | #endif |
00faf08c | 848 | /* For everything else, return the previous break. */ |
7ab240ad | 849 | return target_brk; |
31e31b8a FB |
850 | } |
851 | ||
26edcf41 TS |
852 | static inline abi_long copy_from_user_fdset(fd_set *fds, |
853 | abi_ulong target_fds_addr, | |
854 | int n) | |
31e31b8a | 855 | { |
26edcf41 TS |
856 | int i, nw, j, k; |
857 | abi_ulong b, *target_fds; | |
858 | ||
859 | nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS; | |
860 | if (!(target_fds = lock_user(VERIFY_READ, | |
861 | target_fds_addr, | |
862 | sizeof(abi_ulong) * nw, | |
863 | 1))) | |
864 | return -TARGET_EFAULT; | |
865 | ||
866 | FD_ZERO(fds); | |
867 | k = 0; | |
868 | for (i = 0; i < nw; i++) { | |
869 | /* grab the abi_ulong */ | |
870 | __get_user(b, &target_fds[i]); | |
871 | for (j = 0; j < TARGET_ABI_BITS; j++) { | |
872 | /* check the bit inside the abi_ulong */ | |
873 | if ((b >> j) & 1) | |
874 | FD_SET(k, fds); | |
875 | k++; | |
31e31b8a | 876 | } |
31e31b8a | 877 | } |
26edcf41 TS |
878 | |
879 | unlock_user(target_fds, target_fds_addr, 0); | |
880 | ||
881 | return 0; | |
31e31b8a FB |
882 | } |
883 | ||
055e0906 MF |
884 | static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr, |
885 | abi_ulong target_fds_addr, | |
886 | int n) | |
887 | { | |
888 | if (target_fds_addr) { | |
889 | if (copy_from_user_fdset(fds, target_fds_addr, n)) | |
890 | return -TARGET_EFAULT; | |
891 | *fds_ptr = fds; | |
892 | } else { | |
893 | *fds_ptr = NULL; | |
894 | } | |
895 | return 0; | |
896 | } | |
897 | ||
26edcf41 TS |
898 | static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr, |
899 | const fd_set *fds, | |
900 | int n) | |
31e31b8a | 901 | { |
31e31b8a | 902 | int i, nw, j, k; |
992f48a0 | 903 | abi_long v; |
26edcf41 | 904 | abi_ulong *target_fds; |
31e31b8a | 905 | |
26edcf41 TS |
906 | nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS; |
907 | if (!(target_fds = lock_user(VERIFY_WRITE, | |
908 | target_fds_addr, | |
909 | sizeof(abi_ulong) * nw, | |
910 | 0))) | |
911 | return -TARGET_EFAULT; | |
912 | ||
913 | k = 0; | |
914 | for (i = 0; i < nw; i++) { | |
915 | v = 0; | |
916 | for (j = 0; j < TARGET_ABI_BITS; j++) { | |
917 | v |= ((FD_ISSET(k, fds) != 0) << j); | |
918 | k++; | |
31e31b8a | 919 | } |
26edcf41 | 920 | __put_user(v, &target_fds[i]); |
31e31b8a | 921 | } |
26edcf41 TS |
922 | |
923 | unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw); | |
924 | ||
925 | return 0; | |
31e31b8a FB |
926 | } |
927 | ||
c596ed17 FB |
928 | #if defined(__alpha__) |
929 | #define HOST_HZ 1024 | |
930 | #else | |
931 | #define HOST_HZ 100 | |
932 | #endif | |
933 | ||
992f48a0 | 934 | static inline abi_long host_to_target_clock_t(long ticks) |
c596ed17 FB |
935 | { |
936 | #if HOST_HZ == TARGET_HZ | |
937 | return ticks; | |
938 | #else | |
939 | return ((int64_t)ticks * TARGET_HZ) / HOST_HZ; | |
940 | #endif | |
941 | } | |
942 | ||
579a97f7 FB |
943 | static inline abi_long host_to_target_rusage(abi_ulong target_addr, |
944 | const struct rusage *rusage) | |
b409186b | 945 | { |
53a5960a PB |
946 | struct target_rusage *target_rusage; |
947 | ||
579a97f7 FB |
948 | if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0)) |
949 | return -TARGET_EFAULT; | |
cbb21eed MB |
950 | target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec); |
951 | target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec); | |
952 | target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec); | |
953 | target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec); | |
954 | target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss); | |
955 | target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss); | |
956 | target_rusage->ru_idrss = tswapal(rusage->ru_idrss); | |
957 | target_rusage->ru_isrss = tswapal(rusage->ru_isrss); | |
958 | target_rusage->ru_minflt = tswapal(rusage->ru_minflt); | |
959 | target_rusage->ru_majflt = tswapal(rusage->ru_majflt); | |
960 | target_rusage->ru_nswap = tswapal(rusage->ru_nswap); | |
961 | target_rusage->ru_inblock = tswapal(rusage->ru_inblock); | |
962 | target_rusage->ru_oublock = tswapal(rusage->ru_oublock); | |
963 | target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd); | |
964 | target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv); | |
965 | target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals); | |
966 | target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw); | |
967 | target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw); | |
53a5960a | 968 | unlock_user_struct(target_rusage, target_addr, 1); |
579a97f7 FB |
969 | |
970 | return 0; | |
b409186b FB |
971 | } |
972 | ||
cbb21eed | 973 | static inline rlim_t target_to_host_rlim(abi_ulong target_rlim) |
81bbe906 | 974 | { |
cbb21eed | 975 | abi_ulong target_rlim_swap; |
95b33b2f WT |
976 | rlim_t result; |
977 | ||
cbb21eed MB |
978 | target_rlim_swap = tswapal(target_rlim); |
979 | if (target_rlim_swap == TARGET_RLIM_INFINITY) | |
980 | return RLIM_INFINITY; | |
981 | ||
982 | result = target_rlim_swap; | |
983 | if (target_rlim_swap != (rlim_t)result) | |
984 | return RLIM_INFINITY; | |
95b33b2f WT |
985 | |
986 | return result; | |
81bbe906 TY |
987 | } |
988 | ||
cbb21eed | 989 | static inline abi_ulong host_to_target_rlim(rlim_t rlim) |
81bbe906 | 990 | { |
cbb21eed MB |
991 | abi_ulong target_rlim_swap; |
992 | abi_ulong result; | |
95b33b2f | 993 | |
cbb21eed | 994 | if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim) |
95b33b2f | 995 | target_rlim_swap = TARGET_RLIM_INFINITY; |
81bbe906 | 996 | else |
95b33b2f | 997 | target_rlim_swap = rlim; |
cbb21eed | 998 | result = tswapal(target_rlim_swap); |
95b33b2f WT |
999 | |
1000 | return result; | |
81bbe906 TY |
1001 | } |
1002 | ||
e22b7015 WT |
1003 | static inline int target_to_host_resource(int code) |
1004 | { | |
1005 | switch (code) { | |
1006 | case TARGET_RLIMIT_AS: | |
1007 | return RLIMIT_AS; | |
1008 | case TARGET_RLIMIT_CORE: | |
1009 | return RLIMIT_CORE; | |
1010 | case TARGET_RLIMIT_CPU: | |
1011 | return RLIMIT_CPU; | |
1012 | case TARGET_RLIMIT_DATA: | |
1013 | return RLIMIT_DATA; | |
1014 | case TARGET_RLIMIT_FSIZE: | |
1015 | return RLIMIT_FSIZE; | |
1016 | case TARGET_RLIMIT_LOCKS: | |
1017 | return RLIMIT_LOCKS; | |
1018 | case TARGET_RLIMIT_MEMLOCK: | |
1019 | return RLIMIT_MEMLOCK; | |
1020 | case TARGET_RLIMIT_MSGQUEUE: | |
1021 | return RLIMIT_MSGQUEUE; | |
1022 | case TARGET_RLIMIT_NICE: | |
1023 | return RLIMIT_NICE; | |
1024 | case TARGET_RLIMIT_NOFILE: | |
1025 | return RLIMIT_NOFILE; | |
1026 | case TARGET_RLIMIT_NPROC: | |
1027 | return RLIMIT_NPROC; | |
1028 | case TARGET_RLIMIT_RSS: | |
1029 | return RLIMIT_RSS; | |
1030 | case TARGET_RLIMIT_RTPRIO: | |
1031 | return RLIMIT_RTPRIO; | |
1032 | case TARGET_RLIMIT_SIGPENDING: | |
1033 | return RLIMIT_SIGPENDING; | |
1034 | case TARGET_RLIMIT_STACK: | |
1035 | return RLIMIT_STACK; | |
1036 | default: | |
1037 | return code; | |
1038 | } | |
1039 | } | |
1040 | ||
788f5ec4 TS |
1041 | static inline abi_long copy_from_user_timeval(struct timeval *tv, |
1042 | abi_ulong target_tv_addr) | |
31e31b8a | 1043 | { |
53a5960a PB |
1044 | struct target_timeval *target_tv; |
1045 | ||
788f5ec4 | 1046 | if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1)) |
579a97f7 | 1047 | return -TARGET_EFAULT; |
788f5ec4 TS |
1048 | |
1049 | __get_user(tv->tv_sec, &target_tv->tv_sec); | |
1050 | __get_user(tv->tv_usec, &target_tv->tv_usec); | |
1051 | ||
1052 | unlock_user_struct(target_tv, target_tv_addr, 0); | |
579a97f7 FB |
1053 | |
1054 | return 0; | |
31e31b8a FB |
1055 | } |
1056 | ||
788f5ec4 TS |
1057 | static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr, |
1058 | const struct timeval *tv) | |
31e31b8a | 1059 | { |
53a5960a PB |
1060 | struct target_timeval *target_tv; |
1061 | ||
788f5ec4 | 1062 | if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) |
579a97f7 | 1063 | return -TARGET_EFAULT; |
788f5ec4 TS |
1064 | |
1065 | __put_user(tv->tv_sec, &target_tv->tv_sec); | |
1066 | __put_user(tv->tv_usec, &target_tv->tv_usec); | |
1067 | ||
1068 | unlock_user_struct(target_tv, target_tv_addr, 1); | |
579a97f7 FB |
1069 | |
1070 | return 0; | |
31e31b8a FB |
1071 | } |
1072 | ||
8ec9cf89 NF |
1073 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
1074 | #include <mqueue.h> | |
1075 | ||
24e1003a AJ |
1076 | static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr, |
1077 | abi_ulong target_mq_attr_addr) | |
1078 | { | |
1079 | struct target_mq_attr *target_mq_attr; | |
1080 | ||
1081 | if (!lock_user_struct(VERIFY_READ, target_mq_attr, | |
1082 | target_mq_attr_addr, 1)) | |
1083 | return -TARGET_EFAULT; | |
1084 | ||
1085 | __get_user(attr->mq_flags, &target_mq_attr->mq_flags); | |
1086 | __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); | |
1087 | __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); | |
1088 | __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); | |
1089 | ||
1090 | unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0); | |
1091 | ||
1092 | return 0; | |
1093 | } | |
1094 | ||
1095 | static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr, | |
1096 | const struct mq_attr *attr) | |
1097 | { | |
1098 | struct target_mq_attr *target_mq_attr; | |
1099 | ||
1100 | if (!lock_user_struct(VERIFY_WRITE, target_mq_attr, | |
1101 | target_mq_attr_addr, 0)) | |
1102 | return -TARGET_EFAULT; | |
1103 | ||
1104 | __put_user(attr->mq_flags, &target_mq_attr->mq_flags); | |
1105 | __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); | |
1106 | __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); | |
1107 | __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); | |
1108 | ||
1109 | unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1); | |
1110 | ||
1111 | return 0; | |
1112 | } | |
8ec9cf89 | 1113 | #endif |
31e31b8a | 1114 | |
055e0906 | 1115 | #if defined(TARGET_NR_select) || defined(TARGET_NR__newselect) |
0da46a6e | 1116 | /* do_select() must return target values and target errnos. */ |
992f48a0 | 1117 | static abi_long do_select(int n, |
26edcf41 TS |
1118 | abi_ulong rfd_addr, abi_ulong wfd_addr, |
1119 | abi_ulong efd_addr, abi_ulong target_tv_addr) | |
31e31b8a FB |
1120 | { |
1121 | fd_set rfds, wfds, efds; | |
1122 | fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; | |
1123 | struct timeval tv, *tv_ptr; | |
992f48a0 | 1124 | abi_long ret; |
31e31b8a | 1125 | |
055e0906 MF |
1126 | ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); |
1127 | if (ret) { | |
1128 | return ret; | |
53a5960a | 1129 | } |
055e0906 MF |
1130 | ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); |
1131 | if (ret) { | |
1132 | return ret; | |
53a5960a | 1133 | } |
055e0906 MF |
1134 | ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); |
1135 | if (ret) { | |
1136 | return ret; | |
53a5960a | 1137 | } |
3b46e624 | 1138 | |
26edcf41 | 1139 | if (target_tv_addr) { |
788f5ec4 TS |
1140 | if (copy_from_user_timeval(&tv, target_tv_addr)) |
1141 | return -TARGET_EFAULT; | |
31e31b8a FB |
1142 | tv_ptr = &tv; |
1143 | } else { | |
1144 | tv_ptr = NULL; | |
1145 | } | |
26edcf41 | 1146 | |
31e31b8a | 1147 | ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr)); |
53a5960a | 1148 | |
26edcf41 TS |
1149 | if (!is_error(ret)) { |
1150 | if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) | |
1151 | return -TARGET_EFAULT; | |
1152 | if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) | |
1153 | return -TARGET_EFAULT; | |
1154 | if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) | |
1155 | return -TARGET_EFAULT; | |
31e31b8a | 1156 | |
788f5ec4 TS |
1157 | if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv)) |
1158 | return -TARGET_EFAULT; | |
31e31b8a | 1159 | } |
579a97f7 | 1160 | |
31e31b8a FB |
1161 | return ret; |
1162 | } | |
055e0906 | 1163 | #endif |
31e31b8a | 1164 | |
099d6b0f RV |
1165 | static abi_long do_pipe2(int host_pipe[], int flags) |
1166 | { | |
1167 | #ifdef CONFIG_PIPE2 | |
1168 | return pipe2(host_pipe, flags); | |
1169 | #else | |
1170 | return -ENOSYS; | |
1171 | #endif | |
1172 | } | |
1173 | ||
fb41a66e RH |
1174 | static abi_long do_pipe(void *cpu_env, abi_ulong pipedes, |
1175 | int flags, int is_pipe2) | |
099d6b0f RV |
1176 | { |
1177 | int host_pipe[2]; | |
1178 | abi_long ret; | |
1179 | ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe); | |
1180 | ||
1181 | if (is_error(ret)) | |
1182 | return get_errno(ret); | |
fb41a66e RH |
1183 | |
1184 | /* Several targets have special calling conventions for the original | |
1185 | pipe syscall, but didn't replicate this into the pipe2 syscall. */ | |
1186 | if (!is_pipe2) { | |
1187 | #if defined(TARGET_ALPHA) | |
1188 | ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1]; | |
1189 | return host_pipe[0]; | |
1190 | #elif defined(TARGET_MIPS) | |
1191 | ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1]; | |
1192 | return host_pipe[0]; | |
1193 | #elif defined(TARGET_SH4) | |
597c0212 | 1194 | ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1]; |
fb41a66e | 1195 | return host_pipe[0]; |
597c0212 | 1196 | #endif |
fb41a66e RH |
1197 | } |
1198 | ||
099d6b0f RV |
1199 | if (put_user_s32(host_pipe[0], pipedes) |
1200 | || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0]))) | |
1201 | return -TARGET_EFAULT; | |
099d6b0f RV |
1202 | return get_errno(ret); |
1203 | } | |
1204 | ||
b975b83b LL |
1205 | static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn, |
1206 | abi_ulong target_addr, | |
1207 | socklen_t len) | |
1208 | { | |
1209 | struct target_ip_mreqn *target_smreqn; | |
1210 | ||
1211 | target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1); | |
1212 | if (!target_smreqn) | |
1213 | return -TARGET_EFAULT; | |
1214 | mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr; | |
1215 | mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr; | |
1216 | if (len == sizeof(struct target_ip_mreqn)) | |
cbb21eed | 1217 | mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex); |
b975b83b LL |
1218 | unlock_user(target_smreqn, target_addr, 0); |
1219 | ||
1220 | return 0; | |
1221 | } | |
1222 | ||
579a97f7 FB |
1223 | static inline abi_long target_to_host_sockaddr(struct sockaddr *addr, |
1224 | abi_ulong target_addr, | |
1225 | socklen_t len) | |
7854b056 | 1226 | { |
607175e0 AJ |
1227 | const socklen_t unix_maxlen = sizeof (struct sockaddr_un); |
1228 | sa_family_t sa_family; | |
53a5960a PB |
1229 | struct target_sockaddr *target_saddr; |
1230 | ||
579a97f7 FB |
1231 | target_saddr = lock_user(VERIFY_READ, target_addr, len, 1); |
1232 | if (!target_saddr) | |
1233 | return -TARGET_EFAULT; | |
607175e0 AJ |
1234 | |
1235 | sa_family = tswap16(target_saddr->sa_family); | |
1236 | ||
1237 | /* Oops. The caller might send a incomplete sun_path; sun_path | |
1238 | * must be terminated by \0 (see the manual page), but | |
1239 | * unfortunately it is quite common to specify sockaddr_un | |
1240 | * length as "strlen(x->sun_path)" while it should be | |
1241 | * "strlen(...) + 1". We'll fix that here if needed. | |
1242 | * Linux kernel has a similar feature. | |
1243 | */ | |
1244 | ||
1245 | if (sa_family == AF_UNIX) { | |
1246 | if (len < unix_maxlen && len > 0) { | |
1247 | char *cp = (char*)target_saddr; | |
1248 | ||
1249 | if ( cp[len-1] && !cp[len] ) | |
1250 | len++; | |
1251 | } | |
1252 | if (len > unix_maxlen) | |
1253 | len = unix_maxlen; | |
1254 | } | |
1255 | ||
53a5960a | 1256 | memcpy(addr, target_saddr, len); |
607175e0 | 1257 | addr->sa_family = sa_family; |
53a5960a | 1258 | unlock_user(target_saddr, target_addr, 0); |
579a97f7 FB |
1259 | |
1260 | return 0; | |
7854b056 FB |
1261 | } |
1262 | ||
579a97f7 FB |
1263 | static inline abi_long host_to_target_sockaddr(abi_ulong target_addr, |
1264 | struct sockaddr *addr, | |
1265 | socklen_t len) | |
7854b056 | 1266 | { |
53a5960a PB |
1267 | struct target_sockaddr *target_saddr; |
1268 | ||
579a97f7 FB |
1269 | target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0); |
1270 | if (!target_saddr) | |
1271 | return -TARGET_EFAULT; | |
53a5960a PB |
1272 | memcpy(target_saddr, addr, len); |
1273 | target_saddr->sa_family = tswap16(addr->sa_family); | |
1274 | unlock_user(target_saddr, target_addr, len); | |
579a97f7 FB |
1275 | |
1276 | return 0; | |
7854b056 FB |
1277 | } |
1278 | ||
5a4a898d FB |
1279 | static inline abi_long target_to_host_cmsg(struct msghdr *msgh, |
1280 | struct target_msghdr *target_msgh) | |
7854b056 FB |
1281 | { |
1282 | struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); | |
5a4a898d FB |
1283 | abi_long msg_controllen; |
1284 | abi_ulong target_cmsg_addr; | |
1285 | struct target_cmsghdr *target_cmsg; | |
7854b056 | 1286 | socklen_t space = 0; |
5a4a898d | 1287 | |
cbb21eed | 1288 | msg_controllen = tswapal(target_msgh->msg_controllen); |
5a4a898d FB |
1289 | if (msg_controllen < sizeof (struct target_cmsghdr)) |
1290 | goto the_end; | |
cbb21eed | 1291 | target_cmsg_addr = tswapal(target_msgh->msg_control); |
5a4a898d FB |
1292 | target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1); |
1293 | if (!target_cmsg) | |
1294 | return -TARGET_EFAULT; | |
7854b056 FB |
1295 | |
1296 | while (cmsg && target_cmsg) { | |
1297 | void *data = CMSG_DATA(cmsg); | |
1298 | void *target_data = TARGET_CMSG_DATA(target_cmsg); | |
1299 | ||
cbb21eed | 1300 | int len = tswapal(target_cmsg->cmsg_len) |
7854b056 FB |
1301 | - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr)); |
1302 | ||
1303 | space += CMSG_SPACE(len); | |
1304 | if (space > msgh->msg_controllen) { | |
1305 | space -= CMSG_SPACE(len); | |
31febb71 | 1306 | gemu_log("Host cmsg overflow\n"); |
7854b056 FB |
1307 | break; |
1308 | } | |
1309 | ||
1310 | cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level); | |
1311 | cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type); | |
1312 | cmsg->cmsg_len = CMSG_LEN(len); | |
1313 | ||
3532fa74 | 1314 | if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) { |
7854b056 FB |
1315 | gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type); |
1316 | memcpy(data, target_data, len); | |
1317 | } else { | |
1318 | int *fd = (int *)data; | |
1319 | int *target_fd = (int *)target_data; | |
1320 | int i, numfds = len / sizeof(int); | |
1321 | ||
1322 | for (i = 0; i < numfds; i++) | |
1323 | fd[i] = tswap32(target_fd[i]); | |
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, 0); |
1330 | the_end: | |
7854b056 | 1331 | msgh->msg_controllen = space; |
5a4a898d | 1332 | return 0; |
7854b056 FB |
1333 | } |
1334 | ||
5a4a898d FB |
1335 | static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh, |
1336 | struct msghdr *msgh) | |
7854b056 FB |
1337 | { |
1338 | struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); | |
5a4a898d FB |
1339 | abi_long msg_controllen; |
1340 | abi_ulong target_cmsg_addr; | |
1341 | struct target_cmsghdr *target_cmsg; | |
7854b056 FB |
1342 | socklen_t space = 0; |
1343 | ||
cbb21eed | 1344 | msg_controllen = tswapal(target_msgh->msg_controllen); |
5a4a898d FB |
1345 | if (msg_controllen < sizeof (struct target_cmsghdr)) |
1346 | goto the_end; | |
cbb21eed | 1347 | target_cmsg_addr = tswapal(target_msgh->msg_control); |
5a4a898d FB |
1348 | target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0); |
1349 | if (!target_cmsg) | |
1350 | return -TARGET_EFAULT; | |
1351 | ||
7854b056 FB |
1352 | while (cmsg && target_cmsg) { |
1353 | void *data = CMSG_DATA(cmsg); | |
1354 | void *target_data = TARGET_CMSG_DATA(target_cmsg); | |
1355 | ||
1356 | int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr)); | |
1357 | ||
1358 | space += TARGET_CMSG_SPACE(len); | |
5a4a898d | 1359 | if (space > msg_controllen) { |
7854b056 | 1360 | space -= TARGET_CMSG_SPACE(len); |
31febb71 | 1361 | gemu_log("Target cmsg overflow\n"); |
7854b056 FB |
1362 | break; |
1363 | } | |
1364 | ||
1365 | target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level); | |
1366 | target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type); | |
cbb21eed | 1367 | target_cmsg->cmsg_len = tswapal(TARGET_CMSG_LEN(len)); |
7854b056 | 1368 | |
aebf5bc7 JH |
1369 | if ((cmsg->cmsg_level == TARGET_SOL_SOCKET) && |
1370 | (cmsg->cmsg_type == SCM_RIGHTS)) { | |
7854b056 FB |
1371 | int *fd = (int *)data; |
1372 | int *target_fd = (int *)target_data; | |
1373 | int i, numfds = len / sizeof(int); | |
1374 | ||
1375 | for (i = 0; i < numfds; i++) | |
1376 | target_fd[i] = tswap32(fd[i]); | |
aebf5bc7 JH |
1377 | } else if ((cmsg->cmsg_level == TARGET_SOL_SOCKET) && |
1378 | (cmsg->cmsg_type == SO_TIMESTAMP) && | |
1379 | (len == sizeof(struct timeval))) { | |
1380 | /* copy struct timeval to target */ | |
1381 | struct timeval *tv = (struct timeval *)data; | |
1382 | struct target_timeval *target_tv = | |
1383 | (struct target_timeval *)target_data; | |
1384 | ||
1385 | target_tv->tv_sec = tswapal(tv->tv_sec); | |
1386 | target_tv->tv_usec = tswapal(tv->tv_usec); | |
1387 | } else { | |
1388 | gemu_log("Unsupported ancillary data: %d/%d\n", | |
1389 | cmsg->cmsg_level, cmsg->cmsg_type); | |
1390 | memcpy(target_data, data, len); | |
7854b056 FB |
1391 | } |
1392 | ||
1393 | cmsg = CMSG_NXTHDR(msgh, cmsg); | |
1394 | target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); | |
1395 | } | |
5a4a898d FB |
1396 | unlock_user(target_cmsg, target_cmsg_addr, space); |
1397 | the_end: | |
cbb21eed | 1398 | target_msgh->msg_controllen = tswapal(space); |
5a4a898d | 1399 | return 0; |
7854b056 FB |
1400 | } |
1401 | ||
0da46a6e | 1402 | /* do_setsockopt() Must return target values and target errnos. */ |
992f48a0 | 1403 | static abi_long do_setsockopt(int sockfd, int level, int optname, |
2f619698 | 1404 | abi_ulong optval_addr, socklen_t optlen) |
7854b056 | 1405 | { |
992f48a0 | 1406 | abi_long ret; |
32407103 | 1407 | int val; |
b975b83b | 1408 | struct ip_mreqn *ip_mreq; |
6e3cb58f | 1409 | struct ip_mreq_source *ip_mreq_source; |
3b46e624 | 1410 | |
8853f86e FB |
1411 | switch(level) { |
1412 | case SOL_TCP: | |
7854b056 | 1413 | /* TCP options all take an 'int' value. */ |
7854b056 | 1414 | if (optlen < sizeof(uint32_t)) |
0da46a6e | 1415 | return -TARGET_EINVAL; |
3b46e624 | 1416 | |
2f619698 FB |
1417 | if (get_user_u32(val, optval_addr)) |
1418 | return -TARGET_EFAULT; | |
8853f86e FB |
1419 | ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); |
1420 | break; | |
1421 | case SOL_IP: | |
1422 | switch(optname) { | |
2efbe911 FB |
1423 | case IP_TOS: |
1424 | case IP_TTL: | |
8853f86e | 1425 | case IP_HDRINCL: |
2efbe911 FB |
1426 | case IP_ROUTER_ALERT: |
1427 | case IP_RECVOPTS: | |
1428 | case IP_RETOPTS: | |
1429 | case IP_PKTINFO: | |
1430 | case IP_MTU_DISCOVER: | |
1431 | case IP_RECVERR: | |
1432 | case IP_RECVTOS: | |
1433 | #ifdef IP_FREEBIND | |
1434 | case IP_FREEBIND: | |
1435 | #endif | |
1436 | case IP_MULTICAST_TTL: | |
1437 | case IP_MULTICAST_LOOP: | |
8853f86e FB |
1438 | val = 0; |
1439 | if (optlen >= sizeof(uint32_t)) { | |
2f619698 FB |
1440 | if (get_user_u32(val, optval_addr)) |
1441 | return -TARGET_EFAULT; | |
8853f86e | 1442 | } else if (optlen >= 1) { |
2f619698 FB |
1443 | if (get_user_u8(val, optval_addr)) |
1444 | return -TARGET_EFAULT; | |
8853f86e FB |
1445 | } |
1446 | ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); | |
1447 | break; | |
b975b83b LL |
1448 | case IP_ADD_MEMBERSHIP: |
1449 | case IP_DROP_MEMBERSHIP: | |
1450 | if (optlen < sizeof (struct target_ip_mreq) || | |
1451 | optlen > sizeof (struct target_ip_mreqn)) | |
1452 | return -TARGET_EINVAL; | |
1453 | ||
1454 | ip_mreq = (struct ip_mreqn *) alloca(optlen); | |
1455 | target_to_host_ip_mreq(ip_mreq, optval_addr, optlen); | |
1456 | ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen)); | |
1457 | break; | |
1458 | ||
6e3cb58f LL |
1459 | case IP_BLOCK_SOURCE: |
1460 | case IP_UNBLOCK_SOURCE: | |
1461 | case IP_ADD_SOURCE_MEMBERSHIP: | |
1462 | case IP_DROP_SOURCE_MEMBERSHIP: | |
1463 | if (optlen != sizeof (struct target_ip_mreq_source)) | |
1464 | return -TARGET_EINVAL; | |
1465 | ||
1466 | ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1); | |
1467 | ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen)); | |
1468 | unlock_user (ip_mreq_source, optval_addr, 0); | |
1469 | break; | |
1470 | ||
920394db JH |
1471 | default: |
1472 | goto unimplemented; | |
1473 | } | |
1474 | break; | |
1475 | case SOL_RAW: | |
1476 | switch (optname) { | |
1477 | case ICMP_FILTER: | |
1478 | /* struct icmp_filter takes an u32 value */ | |
1479 | if (optlen < sizeof(uint32_t)) { | |
1480 | return -TARGET_EINVAL; | |
1481 | } | |
1482 | ||
1483 | if (get_user_u32(val, optval_addr)) { | |
1484 | return -TARGET_EFAULT; | |
1485 | } | |
1486 | ret = get_errno(setsockopt(sockfd, level, optname, | |
1487 | &val, sizeof(val))); | |
1488 | break; | |
1489 | ||
8853f86e FB |
1490 | default: |
1491 | goto unimplemented; | |
1492 | } | |
1493 | break; | |
3532fa74 | 1494 | case TARGET_SOL_SOCKET: |
8853f86e | 1495 | switch (optname) { |
1b09aeb9 LV |
1496 | case TARGET_SO_RCVTIMEO: |
1497 | { | |
1498 | struct timeval tv; | |
1499 | ||
1500 | optname = SO_RCVTIMEO; | |
1501 | ||
1502 | set_timeout: | |
1503 | if (optlen != sizeof(struct target_timeval)) { | |
1504 | return -TARGET_EINVAL; | |
1505 | } | |
1506 | ||
1507 | if (copy_from_user_timeval(&tv, optval_addr)) { | |
1508 | return -TARGET_EFAULT; | |
1509 | } | |
1510 | ||
1511 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, | |
1512 | &tv, sizeof(tv))); | |
1513 | return ret; | |
1514 | } | |
1515 | case TARGET_SO_SNDTIMEO: | |
1516 | optname = SO_SNDTIMEO; | |
1517 | goto set_timeout; | |
8853f86e | 1518 | /* Options with 'int' argument. */ |
3532fa74 FB |
1519 | case TARGET_SO_DEBUG: |
1520 | optname = SO_DEBUG; | |
1521 | break; | |
1522 | case TARGET_SO_REUSEADDR: | |
1523 | optname = SO_REUSEADDR; | |
1524 | break; | |
1525 | case TARGET_SO_TYPE: | |
1526 | optname = SO_TYPE; | |
1527 | break; | |
1528 | case TARGET_SO_ERROR: | |
1529 | optname = SO_ERROR; | |
1530 | break; | |
1531 | case TARGET_SO_DONTROUTE: | |
1532 | optname = SO_DONTROUTE; | |
1533 | break; | |
1534 | case TARGET_SO_BROADCAST: | |
1535 | optname = SO_BROADCAST; | |
1536 | break; | |
1537 | case TARGET_SO_SNDBUF: | |
1538 | optname = SO_SNDBUF; | |
1539 | break; | |
1540 | case TARGET_SO_RCVBUF: | |
1541 | optname = SO_RCVBUF; | |
1542 | break; | |
1543 | case TARGET_SO_KEEPALIVE: | |
1544 | optname = SO_KEEPALIVE; | |
1545 | break; | |
1546 | case TARGET_SO_OOBINLINE: | |
1547 | optname = SO_OOBINLINE; | |
1548 | break; | |
1549 | case TARGET_SO_NO_CHECK: | |
1550 | optname = SO_NO_CHECK; | |
1551 | break; | |
1552 | case TARGET_SO_PRIORITY: | |
1553 | optname = SO_PRIORITY; | |
1554 | break; | |
5e83e8e3 | 1555 | #ifdef SO_BSDCOMPAT |
3532fa74 FB |
1556 | case TARGET_SO_BSDCOMPAT: |
1557 | optname = SO_BSDCOMPAT; | |
1558 | break; | |
5e83e8e3 | 1559 | #endif |
3532fa74 FB |
1560 | case TARGET_SO_PASSCRED: |
1561 | optname = SO_PASSCRED; | |
1562 | break; | |
1563 | case TARGET_SO_TIMESTAMP: | |
1564 | optname = SO_TIMESTAMP; | |
1565 | break; | |
1566 | case TARGET_SO_RCVLOWAT: | |
1567 | optname = SO_RCVLOWAT; | |
1568 | break; | |
8853f86e FB |
1569 | break; |
1570 | default: | |
1571 | goto unimplemented; | |
1572 | } | |
3532fa74 | 1573 | if (optlen < sizeof(uint32_t)) |
2f619698 | 1574 | return -TARGET_EINVAL; |
3532fa74 | 1575 | |
2f619698 FB |
1576 | if (get_user_u32(val, optval_addr)) |
1577 | return -TARGET_EFAULT; | |
3532fa74 | 1578 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val))); |
8853f86e | 1579 | break; |
7854b056 | 1580 | default: |
8853f86e | 1581 | unimplemented: |
b2bedb21 | 1582 | gemu_log("Unsupported setsockopt level=%d optname=%d\n", level, optname); |
6fa13c17 | 1583 | ret = -TARGET_ENOPROTOOPT; |
7854b056 | 1584 | } |
8853f86e | 1585 | return ret; |
7854b056 FB |
1586 | } |
1587 | ||
0da46a6e | 1588 | /* do_getsockopt() Must return target values and target errnos. */ |
992f48a0 | 1589 | static abi_long do_getsockopt(int sockfd, int level, int optname, |
2f619698 | 1590 | abi_ulong optval_addr, abi_ulong optlen) |
7854b056 | 1591 | { |
992f48a0 | 1592 | abi_long ret; |
b55266b5 BS |
1593 | int len, val; |
1594 | socklen_t lv; | |
8853f86e FB |
1595 | |
1596 | switch(level) { | |
3532fa74 | 1597 | case TARGET_SOL_SOCKET: |
f3b974cd JL |
1598 | level = SOL_SOCKET; |
1599 | switch (optname) { | |
1600 | /* These don't just return a single integer */ | |
1601 | case TARGET_SO_LINGER: | |
1602 | case TARGET_SO_RCVTIMEO: | |
1603 | case TARGET_SO_SNDTIMEO: | |
f3b974cd JL |
1604 | case TARGET_SO_PEERNAME: |
1605 | goto unimplemented; | |
583359a6 AP |
1606 | case TARGET_SO_PEERCRED: { |
1607 | struct ucred cr; | |
1608 | socklen_t crlen; | |
1609 | struct target_ucred *tcr; | |
1610 | ||
1611 | if (get_user_u32(len, optlen)) { | |
1612 | return -TARGET_EFAULT; | |
1613 | } | |
1614 | if (len < 0) { | |
1615 | return -TARGET_EINVAL; | |
1616 | } | |
1617 | ||
1618 | crlen = sizeof(cr); | |
1619 | ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED, | |
1620 | &cr, &crlen)); | |
1621 | if (ret < 0) { | |
1622 | return ret; | |
1623 | } | |
1624 | if (len > crlen) { | |
1625 | len = crlen; | |
1626 | } | |
1627 | if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) { | |
1628 | return -TARGET_EFAULT; | |
1629 | } | |
1630 | __put_user(cr.pid, &tcr->pid); | |
1631 | __put_user(cr.uid, &tcr->uid); | |
1632 | __put_user(cr.gid, &tcr->gid); | |
1633 | unlock_user_struct(tcr, optval_addr, 1); | |
1634 | if (put_user_u32(len, optlen)) { | |
1635 | return -TARGET_EFAULT; | |
1636 | } | |
1637 | break; | |
1638 | } | |
f3b974cd JL |
1639 | /* Options with 'int' argument. */ |
1640 | case TARGET_SO_DEBUG: | |
1641 | optname = SO_DEBUG; | |
1642 | goto int_case; | |
1643 | case TARGET_SO_REUSEADDR: | |
1644 | optname = SO_REUSEADDR; | |
1645 | goto int_case; | |
1646 | case TARGET_SO_TYPE: | |
1647 | optname = SO_TYPE; | |
1648 | goto int_case; | |
1649 | case TARGET_SO_ERROR: | |
1650 | optname = SO_ERROR; | |
1651 | goto int_case; | |
1652 | case TARGET_SO_DONTROUTE: | |
1653 | optname = SO_DONTROUTE; | |
1654 | goto int_case; | |
1655 | case TARGET_SO_BROADCAST: | |
1656 | optname = SO_BROADCAST; | |
1657 | goto int_case; | |
1658 | case TARGET_SO_SNDBUF: | |
1659 | optname = SO_SNDBUF; | |
1660 | goto int_case; | |
1661 | case TARGET_SO_RCVBUF: | |
1662 | optname = SO_RCVBUF; | |
1663 | goto int_case; | |
1664 | case TARGET_SO_KEEPALIVE: | |
1665 | optname = SO_KEEPALIVE; | |
1666 | goto int_case; | |
1667 | case TARGET_SO_OOBINLINE: | |
1668 | optname = SO_OOBINLINE; | |
1669 | goto int_case; | |
1670 | case TARGET_SO_NO_CHECK: | |
1671 | optname = SO_NO_CHECK; | |
1672 | goto int_case; | |
1673 | case TARGET_SO_PRIORITY: | |
1674 | optname = SO_PRIORITY; | |
1675 | goto int_case; | |
1676 | #ifdef SO_BSDCOMPAT | |
1677 | case TARGET_SO_BSDCOMPAT: | |
1678 | optname = SO_BSDCOMPAT; | |
1679 | goto int_case; | |
1680 | #endif | |
1681 | case TARGET_SO_PASSCRED: | |
1682 | optname = SO_PASSCRED; | |
1683 | goto int_case; | |
1684 | case TARGET_SO_TIMESTAMP: | |
1685 | optname = SO_TIMESTAMP; | |
1686 | goto int_case; | |
1687 | case TARGET_SO_RCVLOWAT: | |
1688 | optname = SO_RCVLOWAT; | |
1689 | goto int_case; | |
8853f86e | 1690 | default: |
2efbe911 FB |
1691 | goto int_case; |
1692 | } | |
1693 | break; | |
1694 | case SOL_TCP: | |
1695 | /* TCP options all take an 'int' value. */ | |
1696 | int_case: | |
2f619698 FB |
1697 | if (get_user_u32(len, optlen)) |
1698 | return -TARGET_EFAULT; | |
2efbe911 | 1699 | if (len < 0) |
0da46a6e | 1700 | return -TARGET_EINVAL; |
73160d95 | 1701 | lv = sizeof(lv); |
2efbe911 FB |
1702 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
1703 | if (ret < 0) | |
1704 | return ret; | |
2efbe911 FB |
1705 | if (len > lv) |
1706 | len = lv; | |
2f619698 FB |
1707 | if (len == 4) { |
1708 | if (put_user_u32(val, optval_addr)) | |
1709 | return -TARGET_EFAULT; | |
1710 | } else { | |
1711 | if (put_user_u8(val, optval_addr)) | |
1712 | return -TARGET_EFAULT; | |
f3b974cd | 1713 | } |
2f619698 FB |
1714 | if (put_user_u32(len, optlen)) |
1715 | return -TARGET_EFAULT; | |
2efbe911 FB |
1716 | break; |
1717 | case SOL_IP: | |
1718 | switch(optname) { | |
1719 | case IP_TOS: | |
1720 | case IP_TTL: | |
1721 | case IP_HDRINCL: | |
1722 | case IP_ROUTER_ALERT: | |
1723 | case IP_RECVOPTS: | |
1724 | case IP_RETOPTS: | |
1725 | case IP_PKTINFO: | |
1726 | case IP_MTU_DISCOVER: | |
1727 | case IP_RECVERR: | |
1728 | case IP_RECVTOS: | |
1729 | #ifdef IP_FREEBIND | |
1730 | case IP_FREEBIND: | |
1731 | #endif | |
1732 | case IP_MULTICAST_TTL: | |
1733 | case IP_MULTICAST_LOOP: | |
2f619698 FB |
1734 | if (get_user_u32(len, optlen)) |
1735 | return -TARGET_EFAULT; | |
8853f86e | 1736 | if (len < 0) |
0da46a6e | 1737 | return -TARGET_EINVAL; |
73160d95 | 1738 | lv = sizeof(lv); |
8853f86e FB |
1739 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
1740 | if (ret < 0) | |
1741 | return ret; | |
2efbe911 | 1742 | if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { |
2efbe911 | 1743 | len = 1; |
2f619698 FB |
1744 | if (put_user_u32(len, optlen) |
1745 | || put_user_u8(val, optval_addr)) | |
1746 | return -TARGET_EFAULT; | |
2efbe911 | 1747 | } else { |
2efbe911 FB |
1748 | if (len > sizeof(int)) |
1749 | len = sizeof(int); | |
2f619698 FB |
1750 | if (put_user_u32(len, optlen) |
1751 | || put_user_u32(val, optval_addr)) | |
1752 | return -TARGET_EFAULT; | |
2efbe911 | 1753 | } |
8853f86e | 1754 | break; |
2efbe911 | 1755 | default: |
c02f499e TS |
1756 | ret = -TARGET_ENOPROTOOPT; |
1757 | break; | |
8853f86e FB |
1758 | } |
1759 | break; | |
1760 | default: | |
1761 | unimplemented: | |
1762 | gemu_log("getsockopt level=%d optname=%d not yet supported\n", | |
1763 | level, optname); | |
c02f499e | 1764 | ret = -TARGET_EOPNOTSUPP; |
8853f86e FB |
1765 | break; |
1766 | } | |
1767 | return ret; | |
7854b056 FB |
1768 | } |
1769 | ||
f287b2c2 RH |
1770 | static struct iovec *lock_iovec(int type, abi_ulong target_addr, |
1771 | int count, int copy) | |
53a5960a PB |
1772 | { |
1773 | struct target_iovec *target_vec; | |
f287b2c2 RH |
1774 | struct iovec *vec; |
1775 | abi_ulong total_len, max_len; | |
d732dcb4 | 1776 | int i; |
53a5960a | 1777 | |
f287b2c2 RH |
1778 | if (count == 0) { |
1779 | errno = 0; | |
1780 | return NULL; | |
1781 | } | |
dfae8e00 | 1782 | if (count < 0 || count > IOV_MAX) { |
f287b2c2 RH |
1783 | errno = EINVAL; |
1784 | return NULL; | |
1785 | } | |
1786 | ||
1787 | vec = calloc(count, sizeof(struct iovec)); | |
1788 | if (vec == NULL) { | |
1789 | errno = ENOMEM; | |
1790 | return NULL; | |
1791 | } | |
1792 | ||
1793 | target_vec = lock_user(VERIFY_READ, target_addr, | |
1794 | count * sizeof(struct target_iovec), 1); | |
1795 | if (target_vec == NULL) { | |
1796 | errno = EFAULT; | |
1797 | goto fail2; | |
1798 | } | |
1799 | ||
1800 | /* ??? If host page size > target page size, this will result in a | |
1801 | value larger than what we can actually support. */ | |
1802 | max_len = 0x7fffffff & TARGET_PAGE_MASK; | |
1803 | total_len = 0; | |
1804 | ||
1805 | for (i = 0; i < count; i++) { | |
1806 | abi_ulong base = tswapal(target_vec[i].iov_base); | |
1807 | abi_long len = tswapal(target_vec[i].iov_len); | |
1808 | ||
1809 | if (len < 0) { | |
1810 | errno = EINVAL; | |
1811 | goto fail; | |
1812 | } else if (len == 0) { | |
1813 | /* Zero length pointer is ignored. */ | |
1814 | vec[i].iov_base = 0; | |
41df8411 | 1815 | } else { |
f287b2c2 RH |
1816 | vec[i].iov_base = lock_user(type, base, len, copy); |
1817 | if (!vec[i].iov_base) { | |
1818 | errno = EFAULT; | |
1819 | goto fail; | |
1820 | } | |
1821 | if (len > max_len - total_len) { | |
1822 | len = max_len - total_len; | |
1823 | } | |
41df8411 | 1824 | } |
f287b2c2 RH |
1825 | vec[i].iov_len = len; |
1826 | total_len += len; | |
579a97f7 | 1827 | } |
f287b2c2 RH |
1828 | |
1829 | unlock_user(target_vec, target_addr, 0); | |
1830 | return vec; | |
1831 | ||
1832 | fail: | |
1833 | free(vec); | |
1834 | fail2: | |
1835 | unlock_user(target_vec, target_addr, 0); | |
1836 | return NULL; | |
53a5960a PB |
1837 | } |
1838 | ||
f287b2c2 RH |
1839 | static void unlock_iovec(struct iovec *vec, abi_ulong target_addr, |
1840 | int count, int copy) | |
53a5960a PB |
1841 | { |
1842 | struct target_iovec *target_vec; | |
53a5960a PB |
1843 | int i; |
1844 | ||
f287b2c2 RH |
1845 | target_vec = lock_user(VERIFY_READ, target_addr, |
1846 | count * sizeof(struct target_iovec), 1); | |
1847 | if (target_vec) { | |
1848 | for (i = 0; i < count; i++) { | |
1849 | abi_ulong base = tswapal(target_vec[i].iov_base); | |
1850 | abi_long len = tswapal(target_vec[i].iov_base); | |
1851 | if (len < 0) { | |
1852 | break; | |
1853 | } | |
d732dcb4 AZ |
1854 | unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0); |
1855 | } | |
f287b2c2 | 1856 | unlock_user(target_vec, target_addr, 0); |
53a5960a | 1857 | } |
579a97f7 | 1858 | |
f287b2c2 | 1859 | free(vec); |
53a5960a PB |
1860 | } |
1861 | ||
0da46a6e | 1862 | /* do_socket() Must return target values and target errnos. */ |
992f48a0 | 1863 | static abi_long do_socket(int domain, int type, int protocol) |
3532fa74 FB |
1864 | { |
1865 | #if defined(TARGET_MIPS) | |
1866 | switch(type) { | |
1867 | case TARGET_SOCK_DGRAM: | |
1868 | type = SOCK_DGRAM; | |
1869 | break; | |
1870 | case TARGET_SOCK_STREAM: | |
1871 | type = SOCK_STREAM; | |
1872 | break; | |
1873 | case TARGET_SOCK_RAW: | |
1874 | type = SOCK_RAW; | |
1875 | break; | |
1876 | case TARGET_SOCK_RDM: | |
1877 | type = SOCK_RDM; | |
1878 | break; | |
1879 | case TARGET_SOCK_SEQPACKET: | |
1880 | type = SOCK_SEQPACKET; | |
1881 | break; | |
1882 | case TARGET_SOCK_PACKET: | |
1883 | type = SOCK_PACKET; | |
1884 | break; | |
1885 | } | |
1886 | #endif | |
12bc92ab AZ |
1887 | if (domain == PF_NETLINK) |
1888 | return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */ | |
3532fa74 FB |
1889 | return get_errno(socket(domain, type, protocol)); |
1890 | } | |
1891 | ||
0da46a6e | 1892 | /* do_bind() Must return target values and target errnos. */ |
992f48a0 BS |
1893 | static abi_long do_bind(int sockfd, abi_ulong target_addr, |
1894 | socklen_t addrlen) | |
3532fa74 | 1895 | { |
8f7aeaf6 | 1896 | void *addr; |
917507b0 | 1897 | abi_long ret; |
8f7aeaf6 | 1898 | |
38724253 | 1899 | if ((int)addrlen < 0) { |
8f7aeaf6 | 1900 | return -TARGET_EINVAL; |
38724253 | 1901 | } |
8f7aeaf6 | 1902 | |
607175e0 | 1903 | addr = alloca(addrlen+1); |
3b46e624 | 1904 | |
917507b0 AP |
1905 | ret = target_to_host_sockaddr(addr, target_addr, addrlen); |
1906 | if (ret) | |
1907 | return ret; | |
1908 | ||
3532fa74 FB |
1909 | return get_errno(bind(sockfd, addr, addrlen)); |
1910 | } | |
1911 | ||
0da46a6e | 1912 | /* do_connect() Must return target values and target errnos. */ |
992f48a0 BS |
1913 | static abi_long do_connect(int sockfd, abi_ulong target_addr, |
1914 | socklen_t addrlen) | |
3532fa74 | 1915 | { |
8f7aeaf6 | 1916 | void *addr; |
917507b0 | 1917 | abi_long ret; |
8f7aeaf6 | 1918 | |
38724253 | 1919 | if ((int)addrlen < 0) { |
8f7aeaf6 | 1920 | return -TARGET_EINVAL; |
38724253 | 1921 | } |
8f7aeaf6 AJ |
1922 | |
1923 | addr = alloca(addrlen); | |
3b46e624 | 1924 | |
917507b0 AP |
1925 | ret = target_to_host_sockaddr(addr, target_addr, addrlen); |
1926 | if (ret) | |
1927 | return ret; | |
1928 | ||
3532fa74 FB |
1929 | return get_errno(connect(sockfd, addr, addrlen)); |
1930 | } | |
1931 | ||
0da46a6e | 1932 | /* do_sendrecvmsg() Must return target values and target errnos. */ |
992f48a0 BS |
1933 | static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg, |
1934 | int flags, int send) | |
3532fa74 | 1935 | { |
6de645c7 | 1936 | abi_long ret, len; |
3532fa74 FB |
1937 | struct target_msghdr *msgp; |
1938 | struct msghdr msg; | |
1939 | int count; | |
1940 | struct iovec *vec; | |
992f48a0 | 1941 | abi_ulong target_vec; |
3532fa74 | 1942 | |
579a97f7 FB |
1943 | /* FIXME */ |
1944 | if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE, | |
1945 | msgp, | |
1946 | target_msg, | |
1947 | send ? 1 : 0)) | |
1948 | return -TARGET_EFAULT; | |
3532fa74 FB |
1949 | if (msgp->msg_name) { |
1950 | msg.msg_namelen = tswap32(msgp->msg_namelen); | |
1951 | msg.msg_name = alloca(msg.msg_namelen); | |
cbb21eed | 1952 | ret = target_to_host_sockaddr(msg.msg_name, tswapal(msgp->msg_name), |
3532fa74 | 1953 | msg.msg_namelen); |
917507b0 | 1954 | if (ret) { |
f287b2c2 | 1955 | goto out2; |
917507b0 | 1956 | } |
3532fa74 FB |
1957 | } else { |
1958 | msg.msg_name = NULL; | |
1959 | msg.msg_namelen = 0; | |
1960 | } | |
cbb21eed | 1961 | msg.msg_controllen = 2 * tswapal(msgp->msg_controllen); |
3532fa74 FB |
1962 | msg.msg_control = alloca(msg.msg_controllen); |
1963 | msg.msg_flags = tswap32(msgp->msg_flags); | |
3b46e624 | 1964 | |
cbb21eed | 1965 | count = tswapal(msgp->msg_iovlen); |
cbb21eed | 1966 | target_vec = tswapal(msgp->msg_iov); |
f287b2c2 RH |
1967 | vec = lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, |
1968 | target_vec, count, send); | |
1969 | if (vec == NULL) { | |
1970 | ret = -host_to_target_errno(errno); | |
1971 | goto out2; | |
1972 | } | |
3532fa74 FB |
1973 | msg.msg_iovlen = count; |
1974 | msg.msg_iov = vec; | |
3b46e624 | 1975 | |
3532fa74 | 1976 | if (send) { |
5a4a898d FB |
1977 | ret = target_to_host_cmsg(&msg, msgp); |
1978 | if (ret == 0) | |
1979 | ret = get_errno(sendmsg(fd, &msg, flags)); | |
3532fa74 FB |
1980 | } else { |
1981 | ret = get_errno(recvmsg(fd, &msg, flags)); | |
6de645c7 AZ |
1982 | if (!is_error(ret)) { |
1983 | len = ret; | |
5a4a898d | 1984 | ret = host_to_target_cmsg(msgp, &msg); |
ca619067 JH |
1985 | if (!is_error(ret)) { |
1986 | msgp->msg_namelen = tswap32(msg.msg_namelen); | |
1987 | if (msg.msg_name != NULL) { | |
1988 | ret = host_to_target_sockaddr(tswapal(msgp->msg_name), | |
1989 | msg.msg_name, msg.msg_namelen); | |
1990 | if (ret) { | |
1991 | goto out; | |
1992 | } | |
1993 | } | |
1994 | ||
6de645c7 | 1995 | ret = len; |
ca619067 | 1996 | } |
6de645c7 | 1997 | } |
3532fa74 | 1998 | } |
ca619067 JH |
1999 | |
2000 | out: | |
3532fa74 | 2001 | unlock_iovec(vec, target_vec, count, !send); |
f287b2c2 | 2002 | out2: |
579a97f7 | 2003 | unlock_user_struct(msgp, target_msg, send ? 0 : 1); |
3532fa74 FB |
2004 | return ret; |
2005 | } | |
2006 | ||
a94b4987 PM |
2007 | /* If we don't have a system accept4() then just call accept. |
2008 | * The callsites to do_accept4() will ensure that they don't | |
2009 | * pass a non-zero flags argument in this config. | |
2010 | */ | |
2011 | #ifndef CONFIG_ACCEPT4 | |
2012 | static inline int accept4(int sockfd, struct sockaddr *addr, | |
2013 | socklen_t *addrlen, int flags) | |
2014 | { | |
2015 | assert(flags == 0); | |
2016 | return accept(sockfd, addr, addrlen); | |
2017 | } | |
2018 | #endif | |
2019 | ||
2020 | /* do_accept4() Must return target values and target errnos. */ | |
2021 | static abi_long do_accept4(int fd, abi_ulong target_addr, | |
2022 | abi_ulong target_addrlen_addr, int flags) | |
1be9e1dc | 2023 | { |
2f619698 FB |
2024 | socklen_t addrlen; |
2025 | void *addr; | |
992f48a0 | 2026 | abi_long ret; |
1be9e1dc | 2027 | |
a94b4987 PM |
2028 | if (target_addr == 0) { |
2029 | return get_errno(accept4(fd, NULL, NULL, flags)); | |
2030 | } | |
917507b0 AP |
2031 | |
2032 | /* linux returns EINVAL if addrlen pointer is invalid */ | |
2f619698 | 2033 | if (get_user_u32(addrlen, target_addrlen_addr)) |
917507b0 | 2034 | return -TARGET_EINVAL; |
2f619698 | 2035 | |
38724253 | 2036 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2037 | return -TARGET_EINVAL; |
38724253 | 2038 | } |
8f7aeaf6 | 2039 | |
917507b0 AP |
2040 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
2041 | return -TARGET_EINVAL; | |
2042 | ||
2f619698 FB |
2043 | addr = alloca(addrlen); |
2044 | ||
a94b4987 | 2045 | ret = get_errno(accept4(fd, addr, &addrlen, flags)); |
1be9e1dc PB |
2046 | if (!is_error(ret)) { |
2047 | host_to_target_sockaddr(target_addr, addr, addrlen); | |
2f619698 FB |
2048 | if (put_user_u32(addrlen, target_addrlen_addr)) |
2049 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
2050 | } |
2051 | return ret; | |
2052 | } | |
2053 | ||
0da46a6e | 2054 | /* do_getpeername() Must return target values and target errnos. */ |
992f48a0 | 2055 | static abi_long do_getpeername(int fd, abi_ulong target_addr, |
2f619698 | 2056 | abi_ulong target_addrlen_addr) |
1be9e1dc | 2057 | { |
2f619698 FB |
2058 | socklen_t addrlen; |
2059 | void *addr; | |
992f48a0 | 2060 | abi_long ret; |
1be9e1dc | 2061 | |
2f619698 FB |
2062 | if (get_user_u32(addrlen, target_addrlen_addr)) |
2063 | return -TARGET_EFAULT; | |
2064 | ||
38724253 | 2065 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2066 | return -TARGET_EINVAL; |
38724253 | 2067 | } |
8f7aeaf6 | 2068 | |
917507b0 AP |
2069 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
2070 | return -TARGET_EFAULT; | |
2071 | ||
2f619698 FB |
2072 | addr = alloca(addrlen); |
2073 | ||
1be9e1dc PB |
2074 | ret = get_errno(getpeername(fd, addr, &addrlen)); |
2075 | if (!is_error(ret)) { | |
2076 | host_to_target_sockaddr(target_addr, addr, addrlen); | |
2f619698 FB |
2077 | if (put_user_u32(addrlen, target_addrlen_addr)) |
2078 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
2079 | } |
2080 | return ret; | |
2081 | } | |
2082 | ||
0da46a6e | 2083 | /* do_getsockname() Must return target values and target errnos. */ |
992f48a0 | 2084 | static abi_long do_getsockname(int fd, abi_ulong target_addr, |
2f619698 | 2085 | abi_ulong target_addrlen_addr) |
1be9e1dc | 2086 | { |
2f619698 FB |
2087 | socklen_t addrlen; |
2088 | void *addr; | |
992f48a0 | 2089 | abi_long ret; |
1be9e1dc | 2090 | |
2f619698 FB |
2091 | if (get_user_u32(addrlen, target_addrlen_addr)) |
2092 | return -TARGET_EFAULT; | |
2093 | ||
38724253 | 2094 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2095 | return -TARGET_EINVAL; |
38724253 | 2096 | } |
8f7aeaf6 | 2097 | |
917507b0 AP |
2098 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
2099 | return -TARGET_EFAULT; | |
2100 | ||
2f619698 FB |
2101 | addr = alloca(addrlen); |
2102 | ||
1be9e1dc PB |
2103 | ret = get_errno(getsockname(fd, addr, &addrlen)); |
2104 | if (!is_error(ret)) { | |
2105 | host_to_target_sockaddr(target_addr, addr, addrlen); | |
2f619698 FB |
2106 | if (put_user_u32(addrlen, target_addrlen_addr)) |
2107 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
2108 | } |
2109 | return ret; | |
2110 | } | |
2111 | ||
0da46a6e | 2112 | /* do_socketpair() Must return target values and target errnos. */ |
992f48a0 | 2113 | static abi_long do_socketpair(int domain, int type, int protocol, |
2f619698 | 2114 | abi_ulong target_tab_addr) |
1be9e1dc PB |
2115 | { |
2116 | int tab[2]; | |
992f48a0 | 2117 | abi_long ret; |
1be9e1dc PB |
2118 | |
2119 | ret = get_errno(socketpair(domain, type, protocol, tab)); | |
2120 | if (!is_error(ret)) { | |
2f619698 FB |
2121 | if (put_user_s32(tab[0], target_tab_addr) |
2122 | || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0]))) | |
2123 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
2124 | } |
2125 | return ret; | |
2126 | } | |
2127 | ||
0da46a6e | 2128 | /* do_sendto() Must return target values and target errnos. */ |
992f48a0 BS |
2129 | static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags, |
2130 | abi_ulong target_addr, socklen_t addrlen) | |
1be9e1dc PB |
2131 | { |
2132 | void *addr; | |
2133 | void *host_msg; | |
992f48a0 | 2134 | abi_long ret; |
1be9e1dc | 2135 | |
38724253 | 2136 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2137 | return -TARGET_EINVAL; |
38724253 | 2138 | } |
8f7aeaf6 | 2139 | |
579a97f7 FB |
2140 | host_msg = lock_user(VERIFY_READ, msg, len, 1); |
2141 | if (!host_msg) | |
2142 | return -TARGET_EFAULT; | |
1be9e1dc PB |
2143 | if (target_addr) { |
2144 | addr = alloca(addrlen); | |
917507b0 AP |
2145 | ret = target_to_host_sockaddr(addr, target_addr, addrlen); |
2146 | if (ret) { | |
2147 | unlock_user(host_msg, msg, 0); | |
2148 | return ret; | |
2149 | } | |
1be9e1dc PB |
2150 | ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen)); |
2151 | } else { | |
2152 | ret = get_errno(send(fd, host_msg, len, flags)); | |
2153 | } | |
2154 | unlock_user(host_msg, msg, 0); | |
2155 | return ret; | |
2156 | } | |
2157 | ||
0da46a6e | 2158 | /* do_recvfrom() Must return target values and target errnos. */ |
992f48a0 BS |
2159 | static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags, |
2160 | abi_ulong target_addr, | |
2161 | abi_ulong target_addrlen) | |
1be9e1dc PB |
2162 | { |
2163 | socklen_t addrlen; | |
2164 | void *addr; | |
2165 | void *host_msg; | |
992f48a0 | 2166 | abi_long ret; |
1be9e1dc | 2167 | |
579a97f7 FB |
2168 | host_msg = lock_user(VERIFY_WRITE, msg, len, 0); |
2169 | if (!host_msg) | |
2170 | return -TARGET_EFAULT; | |
1be9e1dc | 2171 | if (target_addr) { |
2f619698 FB |
2172 | if (get_user_u32(addrlen, target_addrlen)) { |
2173 | ret = -TARGET_EFAULT; | |
2174 | goto fail; | |
2175 | } | |
38724253 | 2176 | if ((int)addrlen < 0) { |
8f7aeaf6 AJ |
2177 | ret = -TARGET_EINVAL; |
2178 | goto fail; | |
2179 | } | |
1be9e1dc PB |
2180 | addr = alloca(addrlen); |
2181 | ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen)); | |
2182 | } else { | |
2183 | addr = NULL; /* To keep compiler quiet. */ | |
00aa0040 | 2184 | ret = get_errno(qemu_recv(fd, host_msg, len, flags)); |
1be9e1dc PB |
2185 | } |
2186 | if (!is_error(ret)) { | |
2187 | if (target_addr) { | |
2188 | host_to_target_sockaddr(target_addr, addr, addrlen); | |
2f619698 FB |
2189 | if (put_user_u32(addrlen, target_addrlen)) { |
2190 | ret = -TARGET_EFAULT; | |
2191 | goto fail; | |
2192 | } | |
1be9e1dc PB |
2193 | } |
2194 | unlock_user(host_msg, msg, len); | |
2195 | } else { | |
2f619698 | 2196 | fail: |
1be9e1dc PB |
2197 | unlock_user(host_msg, msg, 0); |
2198 | } | |
2199 | return ret; | |
2200 | } | |
2201 | ||
32407103 | 2202 | #ifdef TARGET_NR_socketcall |
0da46a6e | 2203 | /* do_socketcall() Must return target values and target errnos. */ |
992f48a0 | 2204 | static abi_long do_socketcall(int num, abi_ulong vptr) |
31e31b8a | 2205 | { |
992f48a0 BS |
2206 | abi_long ret; |
2207 | const int n = sizeof(abi_ulong); | |
31e31b8a FB |
2208 | |
2209 | switch(num) { | |
2210 | case SOCKOP_socket: | |
7854b056 | 2211 | { |
98818189 | 2212 | abi_ulong domain, type, protocol; |
2f619698 | 2213 | |
98818189 UH |
2214 | if (get_user_ual(domain, vptr) |
2215 | || get_user_ual(type, vptr + n) | |
2216 | || get_user_ual(protocol, vptr + 2 * n)) | |
2f619698 FB |
2217 | return -TARGET_EFAULT; |
2218 | ||
3532fa74 | 2219 | ret = do_socket(domain, type, protocol); |
7854b056 | 2220 | } |
31e31b8a FB |
2221 | break; |
2222 | case SOCKOP_bind: | |
7854b056 | 2223 | { |
98818189 | 2224 | abi_ulong sockfd; |
2f619698 FB |
2225 | abi_ulong target_addr; |
2226 | socklen_t addrlen; | |
2227 | ||
98818189 | 2228 | if (get_user_ual(sockfd, vptr) |
2f619698 | 2229 | || get_user_ual(target_addr, vptr + n) |
98818189 | 2230 | || get_user_ual(addrlen, vptr + 2 * n)) |
2f619698 FB |
2231 | return -TARGET_EFAULT; |
2232 | ||
3532fa74 | 2233 | ret = do_bind(sockfd, target_addr, addrlen); |
7854b056 | 2234 | } |
31e31b8a FB |
2235 | break; |
2236 | case SOCKOP_connect: | |
7854b056 | 2237 | { |
98818189 | 2238 | abi_ulong sockfd; |
2f619698 FB |
2239 | abi_ulong target_addr; |
2240 | socklen_t addrlen; | |
2241 | ||
98818189 | 2242 | if (get_user_ual(sockfd, vptr) |
2f619698 | 2243 | || get_user_ual(target_addr, vptr + n) |
98818189 | 2244 | || get_user_ual(addrlen, vptr + 2 * n)) |
2f619698 FB |
2245 | return -TARGET_EFAULT; |
2246 | ||
3532fa74 | 2247 | ret = do_connect(sockfd, target_addr, addrlen); |
7854b056 | 2248 | } |
31e31b8a FB |
2249 | break; |
2250 | case SOCKOP_listen: | |
7854b056 | 2251 | { |
98818189 | 2252 | abi_ulong sockfd, backlog; |
2f619698 | 2253 | |
98818189 UH |
2254 | if (get_user_ual(sockfd, vptr) |
2255 | || get_user_ual(backlog, vptr + n)) | |
2f619698 FB |
2256 | return -TARGET_EFAULT; |
2257 | ||
7854b056 FB |
2258 | ret = get_errno(listen(sockfd, backlog)); |
2259 | } | |
31e31b8a FB |
2260 | break; |
2261 | case SOCKOP_accept: | |
2262 | { | |
98818189 | 2263 | abi_ulong sockfd; |
2f619698 FB |
2264 | abi_ulong target_addr, target_addrlen; |
2265 | ||
98818189 | 2266 | if (get_user_ual(sockfd, vptr) |
2f619698 | 2267 | || get_user_ual(target_addr, vptr + n) |
98818189 | 2268 | || get_user_ual(target_addrlen, vptr + 2 * n)) |
2f619698 FB |
2269 | return -TARGET_EFAULT; |
2270 | ||
a94b4987 | 2271 | ret = do_accept4(sockfd, target_addr, target_addrlen, 0); |
31e31b8a FB |
2272 | } |
2273 | break; | |
2274 | case SOCKOP_getsockname: | |
2275 | { | |
98818189 | 2276 | abi_ulong sockfd; |
2f619698 FB |
2277 | abi_ulong target_addr, target_addrlen; |
2278 | ||
98818189 | 2279 | if (get_user_ual(sockfd, vptr) |
2f619698 | 2280 | || get_user_ual(target_addr, vptr + n) |
98818189 | 2281 | || get_user_ual(target_addrlen, vptr + 2 * n)) |
2f619698 FB |
2282 | return -TARGET_EFAULT; |
2283 | ||
1be9e1dc | 2284 | ret = do_getsockname(sockfd, target_addr, target_addrlen); |
31e31b8a FB |
2285 | } |
2286 | break; | |
2287 | case SOCKOP_getpeername: | |
2288 | { | |
98818189 | 2289 | abi_ulong sockfd; |
2f619698 FB |
2290 | abi_ulong target_addr, target_addrlen; |
2291 | ||
98818189 | 2292 | if (get_user_ual(sockfd, vptr) |
2f619698 | 2293 | || get_user_ual(target_addr, vptr + n) |
98818189 | 2294 | || get_user_ual(target_addrlen, vptr + 2 * n)) |
2f619698 FB |
2295 | return -TARGET_EFAULT; |
2296 | ||
1be9e1dc | 2297 | ret = do_getpeername(sockfd, target_addr, target_addrlen); |
31e31b8a FB |
2298 | } |
2299 | break; | |
2300 | case SOCKOP_socketpair: | |
2301 | { | |
98818189 | 2302 | abi_ulong domain, type, protocol; |
2f619698 FB |
2303 | abi_ulong tab; |
2304 | ||
98818189 UH |
2305 | if (get_user_ual(domain, vptr) |
2306 | || get_user_ual(type, vptr + n) | |
2307 | || get_user_ual(protocol, vptr + 2 * n) | |
2f619698 FB |
2308 | || get_user_ual(tab, vptr + 3 * n)) |
2309 | return -TARGET_EFAULT; | |
2310 | ||
1be9e1dc | 2311 | ret = do_socketpair(domain, type, protocol, tab); |
31e31b8a FB |
2312 | } |
2313 | break; | |
2314 | case SOCKOP_send: | |
7854b056 | 2315 | { |
98818189 | 2316 | abi_ulong sockfd; |
2f619698 FB |
2317 | abi_ulong msg; |
2318 | size_t len; | |
98818189 | 2319 | abi_ulong flags; |
2f619698 | 2320 | |
98818189 | 2321 | if (get_user_ual(sockfd, vptr) |
2f619698 FB |
2322 | || get_user_ual(msg, vptr + n) |
2323 | || get_user_ual(len, vptr + 2 * n) | |
98818189 | 2324 | || get_user_ual(flags, vptr + 3 * n)) |
2f619698 FB |
2325 | return -TARGET_EFAULT; |
2326 | ||
1be9e1dc | 2327 | ret = do_sendto(sockfd, msg, len, flags, 0, 0); |
7854b056 | 2328 | } |
31e31b8a FB |
2329 | break; |
2330 | case SOCKOP_recv: | |
7854b056 | 2331 | { |
98818189 | 2332 | abi_ulong sockfd; |
2f619698 FB |
2333 | abi_ulong msg; |
2334 | size_t len; | |
98818189 | 2335 | abi_ulong flags; |
2f619698 | 2336 | |
98818189 | 2337 | if (get_user_ual(sockfd, vptr) |
2f619698 FB |
2338 | || get_user_ual(msg, vptr + n) |
2339 | || get_user_ual(len, vptr + 2 * n) | |
98818189 | 2340 | || get_user_ual(flags, vptr + 3 * n)) |
2f619698 FB |
2341 | return -TARGET_EFAULT; |
2342 | ||
1be9e1dc | 2343 | ret = do_recvfrom(sockfd, msg, len, flags, 0, 0); |
7854b056 | 2344 | } |
31e31b8a FB |
2345 | break; |
2346 | case SOCKOP_sendto: | |
7854b056 | 2347 | { |
98818189 | 2348 | abi_ulong sockfd; |
2f619698 FB |
2349 | abi_ulong msg; |
2350 | size_t len; | |
98818189 | 2351 | abi_ulong flags; |
2f619698 FB |
2352 | abi_ulong addr; |
2353 | socklen_t addrlen; | |
2354 | ||
98818189 | 2355 | if (get_user_ual(sockfd, vptr) |
2f619698 FB |
2356 | || get_user_ual(msg, vptr + n) |
2357 | || get_user_ual(len, vptr + 2 * n) | |
98818189 | 2358 | || get_user_ual(flags, vptr + 3 * n) |
2f619698 | 2359 | || get_user_ual(addr, vptr + 4 * n) |
98818189 | 2360 | || get_user_ual(addrlen, vptr + 5 * n)) |
2f619698 FB |
2361 | return -TARGET_EFAULT; |
2362 | ||
1be9e1dc | 2363 | ret = do_sendto(sockfd, msg, len, flags, addr, addrlen); |
7854b056 | 2364 | } |
31e31b8a FB |
2365 | break; |
2366 | case SOCKOP_recvfrom: | |
2367 | { | |
98818189 | 2368 | abi_ulong sockfd; |
2f619698 FB |
2369 | abi_ulong msg; |
2370 | size_t len; | |
98818189 | 2371 | abi_ulong flags; |
2f619698 FB |
2372 | abi_ulong addr; |
2373 | socklen_t addrlen; | |
2374 | ||
98818189 | 2375 | if (get_user_ual(sockfd, vptr) |
2f619698 FB |
2376 | || get_user_ual(msg, vptr + n) |
2377 | || get_user_ual(len, vptr + 2 * n) | |
98818189 | 2378 | || get_user_ual(flags, vptr + 3 * n) |
2f619698 | 2379 | || get_user_ual(addr, vptr + 4 * n) |
98818189 | 2380 | || get_user_ual(addrlen, vptr + 5 * n)) |
2f619698 FB |
2381 | return -TARGET_EFAULT; |
2382 | ||
1be9e1dc | 2383 | ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen); |
31e31b8a FB |
2384 | } |
2385 | break; | |
2386 | case SOCKOP_shutdown: | |
7854b056 | 2387 | { |
98818189 | 2388 | abi_ulong sockfd, how; |
2f619698 | 2389 | |
98818189 UH |
2390 | if (get_user_ual(sockfd, vptr) |
2391 | || get_user_ual(how, vptr + n)) | |
2f619698 | 2392 | return -TARGET_EFAULT; |
7854b056 FB |
2393 | |
2394 | ret = get_errno(shutdown(sockfd, how)); | |
2395 | } | |
31e31b8a FB |
2396 | break; |
2397 | case SOCKOP_sendmsg: | |
2398 | case SOCKOP_recvmsg: | |
1a9353d2 | 2399 | { |
98818189 | 2400 | abi_ulong fd; |
992f48a0 | 2401 | abi_ulong target_msg; |
98818189 | 2402 | abi_ulong flags; |
1a9353d2 | 2403 | |
98818189 | 2404 | if (get_user_ual(fd, vptr) |
2f619698 | 2405 | || get_user_ual(target_msg, vptr + n) |
98818189 | 2406 | || get_user_ual(flags, vptr + 2 * n)) |
2f619698 | 2407 | return -TARGET_EFAULT; |
3532fa74 | 2408 | |
5fafdf24 | 2409 | ret = do_sendrecvmsg(fd, target_msg, flags, |
3532fa74 | 2410 | (num == SOCKOP_sendmsg)); |
1a9353d2 FB |
2411 | } |
2412 | break; | |
31e31b8a | 2413 | case SOCKOP_setsockopt: |
7854b056 | 2414 | { |
98818189 UH |
2415 | abi_ulong sockfd; |
2416 | abi_ulong level; | |
2417 | abi_ulong optname; | |
2f619698 FB |
2418 | abi_ulong optval; |
2419 | socklen_t optlen; | |
2420 | ||
98818189 UH |
2421 | if (get_user_ual(sockfd, vptr) |
2422 | || get_user_ual(level, vptr + n) | |
2423 | || get_user_ual(optname, vptr + 2 * n) | |
2f619698 | 2424 | || get_user_ual(optval, vptr + 3 * n) |
98818189 | 2425 | || get_user_ual(optlen, vptr + 4 * n)) |
2f619698 | 2426 | return -TARGET_EFAULT; |
7854b056 FB |
2427 | |
2428 | ret = do_setsockopt(sockfd, level, optname, optval, optlen); | |
2429 | } | |
2430 | break; | |
31e31b8a | 2431 | case SOCKOP_getsockopt: |
7854b056 | 2432 | { |
98818189 UH |
2433 | abi_ulong sockfd; |
2434 | abi_ulong level; | |
2435 | abi_ulong optname; | |
2f619698 FB |
2436 | abi_ulong optval; |
2437 | socklen_t optlen; | |
2438 | ||
98818189 UH |
2439 | if (get_user_ual(sockfd, vptr) |
2440 | || get_user_ual(level, vptr + n) | |
2441 | || get_user_ual(optname, vptr + 2 * n) | |
2f619698 | 2442 | || get_user_ual(optval, vptr + 3 * n) |
98818189 | 2443 | || get_user_ual(optlen, vptr + 4 * n)) |
2f619698 | 2444 | return -TARGET_EFAULT; |
7854b056 | 2445 | |
2f619698 | 2446 | ret = do_getsockopt(sockfd, level, optname, optval, optlen); |
7854b056 FB |
2447 | } |
2448 | break; | |
31e31b8a FB |
2449 | default: |
2450 | gemu_log("Unsupported socketcall: %d\n", num); | |
0da46a6e | 2451 | ret = -TARGET_ENOSYS; |
31e31b8a FB |
2452 | break; |
2453 | } | |
2454 | return ret; | |
2455 | } | |
32407103 | 2456 | #endif |
31e31b8a | 2457 | |
8853f86e FB |
2458 | #define N_SHM_REGIONS 32 |
2459 | ||
2460 | static struct shm_region { | |
5a4a898d FB |
2461 | abi_ulong start; |
2462 | abi_ulong size; | |
8853f86e FB |
2463 | } shm_regions[N_SHM_REGIONS]; |
2464 | ||
3eb6b044 TS |
2465 | struct target_ipc_perm |
2466 | { | |
992f48a0 BS |
2467 | abi_long __key; |
2468 | abi_ulong uid; | |
2469 | abi_ulong gid; | |
2470 | abi_ulong cuid; | |
2471 | abi_ulong cgid; | |
3eb6b044 TS |
2472 | unsigned short int mode; |
2473 | unsigned short int __pad1; | |
2474 | unsigned short int __seq; | |
2475 | unsigned short int __pad2; | |
992f48a0 BS |
2476 | abi_ulong __unused1; |
2477 | abi_ulong __unused2; | |
3eb6b044 TS |
2478 | }; |
2479 | ||
2480 | struct target_semid_ds | |
2481 | { | |
2482 | struct target_ipc_perm sem_perm; | |
992f48a0 BS |
2483 | abi_ulong sem_otime; |
2484 | abi_ulong __unused1; | |
2485 | abi_ulong sem_ctime; | |
2486 | abi_ulong __unused2; | |
2487 | abi_ulong sem_nsems; | |
2488 | abi_ulong __unused3; | |
2489 | abi_ulong __unused4; | |
3eb6b044 TS |
2490 | }; |
2491 | ||
579a97f7 FB |
2492 | static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip, |
2493 | abi_ulong target_addr) | |
3eb6b044 TS |
2494 | { |
2495 | struct target_ipc_perm *target_ip; | |
2496 | struct target_semid_ds *target_sd; | |
2497 | ||
579a97f7 FB |
2498 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
2499 | return -TARGET_EFAULT; | |
e8bbe36c | 2500 | target_ip = &(target_sd->sem_perm); |
cbb21eed MB |
2501 | host_ip->__key = tswapal(target_ip->__key); |
2502 | host_ip->uid = tswapal(target_ip->uid); | |
2503 | host_ip->gid = tswapal(target_ip->gid); | |
2504 | host_ip->cuid = tswapal(target_ip->cuid); | |
2505 | host_ip->cgid = tswapal(target_ip->cgid); | |
2506 | host_ip->mode = tswap16(target_ip->mode); | |
3eb6b044 | 2507 | unlock_user_struct(target_sd, target_addr, 0); |
579a97f7 | 2508 | return 0; |
3eb6b044 TS |
2509 | } |
2510 | ||
579a97f7 FB |
2511 | static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr, |
2512 | struct ipc_perm *host_ip) | |
3eb6b044 TS |
2513 | { |
2514 | struct target_ipc_perm *target_ip; | |
2515 | struct target_semid_ds *target_sd; | |
2516 | ||
579a97f7 FB |
2517 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
2518 | return -TARGET_EFAULT; | |
3eb6b044 | 2519 | target_ip = &(target_sd->sem_perm); |
cbb21eed MB |
2520 | target_ip->__key = tswapal(host_ip->__key); |
2521 | target_ip->uid = tswapal(host_ip->uid); | |
2522 | target_ip->gid = tswapal(host_ip->gid); | |
2523 | target_ip->cuid = tswapal(host_ip->cuid); | |
2524 | target_ip->cgid = tswapal(host_ip->cgid); | |
2525 | target_ip->mode = tswap16(host_ip->mode); | |
3eb6b044 | 2526 | unlock_user_struct(target_sd, target_addr, 1); |
579a97f7 | 2527 | return 0; |
3eb6b044 TS |
2528 | } |
2529 | ||
579a97f7 FB |
2530 | static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd, |
2531 | abi_ulong target_addr) | |
3eb6b044 TS |
2532 | { |
2533 | struct target_semid_ds *target_sd; | |
2534 | ||
579a97f7 FB |
2535 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
2536 | return -TARGET_EFAULT; | |
e5289087 AJ |
2537 | if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr)) |
2538 | return -TARGET_EFAULT; | |
cbb21eed MB |
2539 | host_sd->sem_nsems = tswapal(target_sd->sem_nsems); |
2540 | host_sd->sem_otime = tswapal(target_sd->sem_otime); | |
2541 | host_sd->sem_ctime = tswapal(target_sd->sem_ctime); | |
3eb6b044 | 2542 | unlock_user_struct(target_sd, target_addr, 0); |
579a97f7 | 2543 | return 0; |
3eb6b044 TS |
2544 | } |
2545 | ||
579a97f7 FB |
2546 | static inline abi_long host_to_target_semid_ds(abi_ulong target_addr, |
2547 | struct semid_ds *host_sd) | |
3eb6b044 TS |
2548 | { |
2549 | struct target_semid_ds *target_sd; | |
2550 | ||
579a97f7 FB |
2551 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
2552 | return -TARGET_EFAULT; | |
e5289087 | 2553 | if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm))) |
3a93113a | 2554 | return -TARGET_EFAULT; |
cbb21eed MB |
2555 | target_sd->sem_nsems = tswapal(host_sd->sem_nsems); |
2556 | target_sd->sem_otime = tswapal(host_sd->sem_otime); | |
2557 | target_sd->sem_ctime = tswapal(host_sd->sem_ctime); | |
3eb6b044 | 2558 | unlock_user_struct(target_sd, target_addr, 1); |
579a97f7 | 2559 | return 0; |
3eb6b044 TS |
2560 | } |
2561 | ||
e5289087 AJ |
2562 | struct target_seminfo { |
2563 | int semmap; | |
2564 | int semmni; | |
2565 | int semmns; | |
2566 | int semmnu; | |
2567 | int semmsl; | |
2568 | int semopm; | |
2569 | int semume; | |
2570 | int semusz; | |
2571 | int semvmx; | |
2572 | int semaem; | |
2573 | }; | |
2574 | ||
2575 | static inline abi_long host_to_target_seminfo(abi_ulong target_addr, | |
2576 | struct seminfo *host_seminfo) | |
2577 | { | |
2578 | struct target_seminfo *target_seminfo; | |
2579 | if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0)) | |
2580 | return -TARGET_EFAULT; | |
2581 | __put_user(host_seminfo->semmap, &target_seminfo->semmap); | |
2582 | __put_user(host_seminfo->semmni, &target_seminfo->semmni); | |
2583 | __put_user(host_seminfo->semmns, &target_seminfo->semmns); | |
2584 | __put_user(host_seminfo->semmnu, &target_seminfo->semmnu); | |
2585 | __put_user(host_seminfo->semmsl, &target_seminfo->semmsl); | |
2586 | __put_user(host_seminfo->semopm, &target_seminfo->semopm); | |
2587 | __put_user(host_seminfo->semume, &target_seminfo->semume); | |
2588 | __put_user(host_seminfo->semusz, &target_seminfo->semusz); | |
2589 | __put_user(host_seminfo->semvmx, &target_seminfo->semvmx); | |
2590 | __put_user(host_seminfo->semaem, &target_seminfo->semaem); | |
2591 | unlock_user_struct(target_seminfo, target_addr, 1); | |
2592 | return 0; | |
2593 | } | |
2594 | ||
fa294816 TS |
2595 | union semun { |
2596 | int val; | |
3eb6b044 | 2597 | struct semid_ds *buf; |
fa294816 | 2598 | unsigned short *array; |
e5289087 | 2599 | struct seminfo *__buf; |
fa294816 TS |
2600 | }; |
2601 | ||
3eb6b044 TS |
2602 | union target_semun { |
2603 | int val; | |
e5289087 AJ |
2604 | abi_ulong buf; |
2605 | abi_ulong array; | |
2606 | abi_ulong __buf; | |
3eb6b044 TS |
2607 | }; |
2608 | ||
e5289087 AJ |
2609 | static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array, |
2610 | abi_ulong target_addr) | |
3eb6b044 | 2611 | { |
e5289087 AJ |
2612 | int nsems; |
2613 | unsigned short *array; | |
2614 | union semun semun; | |
2615 | struct semid_ds semid_ds; | |
2616 | int i, ret; | |
3eb6b044 | 2617 | |
e5289087 AJ |
2618 | semun.buf = &semid_ds; |
2619 | ||
2620 | ret = semctl(semid, 0, IPC_STAT, semun); | |
2621 | if (ret == -1) | |
2622 | return get_errno(ret); | |
2623 | ||
2624 | nsems = semid_ds.sem_nsems; | |
2625 | ||
2626 | *host_array = malloc(nsems*sizeof(unsigned short)); | |
2627 | array = lock_user(VERIFY_READ, target_addr, | |
2628 | nsems*sizeof(unsigned short), 1); | |
2629 | if (!array) | |
2630 | return -TARGET_EFAULT; | |
2631 | ||
2632 | for(i=0; i<nsems; i++) { | |
2633 | __get_user((*host_array)[i], &array[i]); | |
3eb6b044 | 2634 | } |
e5289087 AJ |
2635 | unlock_user(array, target_addr, 0); |
2636 | ||
579a97f7 | 2637 | return 0; |
3eb6b044 TS |
2638 | } |
2639 | ||
e5289087 AJ |
2640 | static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr, |
2641 | unsigned short **host_array) | |
3eb6b044 | 2642 | { |
e5289087 AJ |
2643 | int nsems; |
2644 | unsigned short *array; | |
2645 | union semun semun; | |
2646 | struct semid_ds semid_ds; | |
2647 | int i, ret; | |
3eb6b044 | 2648 | |
e5289087 AJ |
2649 | semun.buf = &semid_ds; |
2650 | ||
2651 | ret = semctl(semid, 0, IPC_STAT, semun); | |
2652 | if (ret == -1) | |
2653 | return get_errno(ret); | |
2654 | ||
2655 | nsems = semid_ds.sem_nsems; | |
2656 | ||
2657 | array = lock_user(VERIFY_WRITE, target_addr, | |
2658 | nsems*sizeof(unsigned short), 0); | |
2659 | if (!array) | |
2660 | return -TARGET_EFAULT; | |
2661 | ||
2662 | for(i=0; i<nsems; i++) { | |
2663 | __put_user((*host_array)[i], &array[i]); | |
3eb6b044 | 2664 | } |
e5289087 AJ |
2665 | free(*host_array); |
2666 | unlock_user(array, target_addr, 1); | |
2667 | ||
579a97f7 | 2668 | return 0; |
3eb6b044 TS |
2669 | } |
2670 | ||
e5289087 AJ |
2671 | static inline abi_long do_semctl(int semid, int semnum, int cmd, |
2672 | union target_semun target_su) | |
3eb6b044 TS |
2673 | { |
2674 | union semun arg; | |
2675 | struct semid_ds dsarg; | |
7b8118e8 | 2676 | unsigned short *array = NULL; |
e5289087 AJ |
2677 | struct seminfo seminfo; |
2678 | abi_long ret = -TARGET_EINVAL; | |
2679 | abi_long err; | |
2680 | cmd &= 0xff; | |
3eb6b044 TS |
2681 | |
2682 | switch( cmd ) { | |
2683 | case GETVAL: | |
3eb6b044 | 2684 | case SETVAL: |
cbb21eed | 2685 | arg.val = tswap32(target_su.val); |
e5289087 | 2686 | ret = get_errno(semctl(semid, semnum, cmd, arg)); |
cbb21eed | 2687 | target_su.val = tswap32(arg.val); |
3eb6b044 TS |
2688 | break; |
2689 | case GETALL: | |
3eb6b044 | 2690 | case SETALL: |
e5289087 AJ |
2691 | err = target_to_host_semarray(semid, &array, target_su.array); |
2692 | if (err) | |
2693 | return err; | |
2694 | arg.array = array; | |
2695 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
2696 | err = host_to_target_semarray(semid, target_su.array, &array); | |
2697 | if (err) | |
2698 | return err; | |
3eb6b044 TS |
2699 | break; |
2700 | case IPC_STAT: | |
3eb6b044 | 2701 | case IPC_SET: |
e5289087 AJ |
2702 | case SEM_STAT: |
2703 | err = target_to_host_semid_ds(&dsarg, target_su.buf); | |
2704 | if (err) | |
2705 | return err; | |
2706 | arg.buf = &dsarg; | |
2707 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
2708 | err = host_to_target_semid_ds(target_su.buf, &dsarg); | |
2709 | if (err) | |
2710 | return err; | |
2711 | break; | |
2712 | case IPC_INFO: | |
2713 | case SEM_INFO: | |
2714 | arg.__buf = &seminfo; | |
2715 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
2716 | err = host_to_target_seminfo(target_su.__buf, &seminfo); | |
2717 | if (err) | |
2718 | return err; | |
2719 | break; | |
2720 | case IPC_RMID: | |
2721 | case GETPID: | |
2722 | case GETNCNT: | |
2723 | case GETZCNT: | |
2724 | ret = get_errno(semctl(semid, semnum, cmd, NULL)); | |
3eb6b044 | 2725 | break; |
3eb6b044 TS |
2726 | } |
2727 | ||
2728 | return ret; | |
2729 | } | |
2730 | ||
e5289087 AJ |
2731 | struct target_sembuf { |
2732 | unsigned short sem_num; | |
2733 | short sem_op; | |
2734 | short sem_flg; | |
2735 | }; | |
2736 | ||
2737 | static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf, | |
2738 | abi_ulong target_addr, | |
2739 | unsigned nsops) | |
2740 | { | |
2741 | struct target_sembuf *target_sembuf; | |
2742 | int i; | |
2743 | ||
2744 | target_sembuf = lock_user(VERIFY_READ, target_addr, | |
2745 | nsops*sizeof(struct target_sembuf), 1); | |
2746 | if (!target_sembuf) | |
2747 | return -TARGET_EFAULT; | |
2748 | ||
2749 | for(i=0; i<nsops; i++) { | |
2750 | __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num); | |
2751 | __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op); | |
2752 | __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg); | |
2753 | } | |
2754 | ||
2755 | unlock_user(target_sembuf, target_addr, 0); | |
2756 | ||
2757 | return 0; | |
2758 | } | |
2759 | ||
2760 | static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops) | |
2761 | { | |
2762 | struct sembuf sops[nsops]; | |
2763 | ||
2764 | if (target_to_host_sembuf(sops, ptr, nsops)) | |
2765 | return -TARGET_EFAULT; | |
2766 | ||
2767 | return semop(semid, sops, nsops); | |
2768 | } | |
2769 | ||
1bc012f6 TS |
2770 | struct target_msqid_ds |
2771 | { | |
1c54ff97 AJ |
2772 | struct target_ipc_perm msg_perm; |
2773 | abi_ulong msg_stime; | |
2774 | #if TARGET_ABI_BITS == 32 | |
2775 | abi_ulong __unused1; | |
2776 | #endif | |
2777 | abi_ulong msg_rtime; | |
2778 | #if TARGET_ABI_BITS == 32 | |
2779 | abi_ulong __unused2; | |
2780 | #endif | |
2781 | abi_ulong msg_ctime; | |
2782 | #if TARGET_ABI_BITS == 32 | |
2783 | abi_ulong __unused3; | |
2784 | #endif | |
2785 | abi_ulong __msg_cbytes; | |
2786 | abi_ulong msg_qnum; | |
2787 | abi_ulong msg_qbytes; | |
2788 | abi_ulong msg_lspid; | |
2789 | abi_ulong msg_lrpid; | |
2790 | abi_ulong __unused4; | |
2791 | abi_ulong __unused5; | |
1bc012f6 TS |
2792 | }; |
2793 | ||
579a97f7 FB |
2794 | static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md, |
2795 | abi_ulong target_addr) | |
1bc012f6 TS |
2796 | { |
2797 | struct target_msqid_ds *target_md; | |
2798 | ||
579a97f7 FB |
2799 | if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1)) |
2800 | return -TARGET_EFAULT; | |
1c54ff97 AJ |
2801 | if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr)) |
2802 | return -TARGET_EFAULT; | |
cbb21eed MB |
2803 | host_md->msg_stime = tswapal(target_md->msg_stime); |
2804 | host_md->msg_rtime = tswapal(target_md->msg_rtime); | |
2805 | host_md->msg_ctime = tswapal(target_md->msg_ctime); | |
2806 | host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes); | |
2807 | host_md->msg_qnum = tswapal(target_md->msg_qnum); | |
2808 | host_md->msg_qbytes = tswapal(target_md->msg_qbytes); | |
2809 | host_md->msg_lspid = tswapal(target_md->msg_lspid); | |
2810 | host_md->msg_lrpid = tswapal(target_md->msg_lrpid); | |
1bc012f6 | 2811 | unlock_user_struct(target_md, target_addr, 0); |
579a97f7 | 2812 | return 0; |
1bc012f6 TS |
2813 | } |
2814 | ||
579a97f7 FB |
2815 | static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr, |
2816 | struct msqid_ds *host_md) | |
1bc012f6 TS |
2817 | { |
2818 | struct target_msqid_ds *target_md; | |
2819 | ||
579a97f7 FB |
2820 | if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0)) |
2821 | return -TARGET_EFAULT; | |
1c54ff97 AJ |
2822 | if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm))) |
2823 | return -TARGET_EFAULT; | |
cbb21eed MB |
2824 | target_md->msg_stime = tswapal(host_md->msg_stime); |
2825 | target_md->msg_rtime = tswapal(host_md->msg_rtime); | |
2826 | target_md->msg_ctime = tswapal(host_md->msg_ctime); | |
2827 | target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes); | |
2828 | target_md->msg_qnum = tswapal(host_md->msg_qnum); | |
2829 | target_md->msg_qbytes = tswapal(host_md->msg_qbytes); | |
2830 | target_md->msg_lspid = tswapal(host_md->msg_lspid); | |
2831 | target_md->msg_lrpid = tswapal(host_md->msg_lrpid); | |
1bc012f6 | 2832 | unlock_user_struct(target_md, target_addr, 1); |
579a97f7 | 2833 | return 0; |
1bc012f6 TS |
2834 | } |
2835 | ||
1c54ff97 AJ |
2836 | struct target_msginfo { |
2837 | int msgpool; | |
2838 | int msgmap; | |
2839 | int msgmax; | |
2840 | int msgmnb; | |
2841 | int msgmni; | |
2842 | int msgssz; | |
2843 | int msgtql; | |
2844 | unsigned short int msgseg; | |
2845 | }; | |
2846 | ||
2847 | static inline abi_long host_to_target_msginfo(abi_ulong target_addr, | |
2848 | struct msginfo *host_msginfo) | |
2849 | { | |
2850 | struct target_msginfo *target_msginfo; | |
2851 | if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0)) | |
2852 | return -TARGET_EFAULT; | |
2853 | __put_user(host_msginfo->msgpool, &target_msginfo->msgpool); | |
2854 | __put_user(host_msginfo->msgmap, &target_msginfo->msgmap); | |
2855 | __put_user(host_msginfo->msgmax, &target_msginfo->msgmax); | |
2856 | __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb); | |
2857 | __put_user(host_msginfo->msgmni, &target_msginfo->msgmni); | |
2858 | __put_user(host_msginfo->msgssz, &target_msginfo->msgssz); | |
2859 | __put_user(host_msginfo->msgtql, &target_msginfo->msgtql); | |
2860 | __put_user(host_msginfo->msgseg, &target_msginfo->msgseg); | |
2861 | unlock_user_struct(target_msginfo, target_addr, 1); | |
00b229ac | 2862 | return 0; |
1c54ff97 AJ |
2863 | } |
2864 | ||
2865 | static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr) | |
1bc012f6 TS |
2866 | { |
2867 | struct msqid_ds dsarg; | |
1c54ff97 AJ |
2868 | struct msginfo msginfo; |
2869 | abi_long ret = -TARGET_EINVAL; | |
2870 | ||
2871 | cmd &= 0xff; | |
2872 | ||
2873 | switch (cmd) { | |
1bc012f6 TS |
2874 | case IPC_STAT: |
2875 | case IPC_SET: | |
1c54ff97 AJ |
2876 | case MSG_STAT: |
2877 | if (target_to_host_msqid_ds(&dsarg,ptr)) | |
2878 | return -TARGET_EFAULT; | |
2879 | ret = get_errno(msgctl(msgid, cmd, &dsarg)); | |
2880 | if (host_to_target_msqid_ds(ptr,&dsarg)) | |
2881 | return -TARGET_EFAULT; | |
2882 | break; | |
2883 | case IPC_RMID: | |
2884 | ret = get_errno(msgctl(msgid, cmd, NULL)); | |
2885 | break; | |
2886 | case IPC_INFO: | |
2887 | case MSG_INFO: | |
2888 | ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo)); | |
2889 | if (host_to_target_msginfo(ptr, &msginfo)) | |
2890 | return -TARGET_EFAULT; | |
2891 | break; | |
1bc012f6 | 2892 | } |
1c54ff97 | 2893 | |
1bc012f6 TS |
2894 | return ret; |
2895 | } | |
2896 | ||
2897 | struct target_msgbuf { | |
1c54ff97 AJ |
2898 | abi_long mtype; |
2899 | char mtext[1]; | |
1bc012f6 TS |
2900 | }; |
2901 | ||
992f48a0 BS |
2902 | static inline abi_long do_msgsnd(int msqid, abi_long msgp, |
2903 | unsigned int msgsz, int msgflg) | |
1bc012f6 TS |
2904 | { |
2905 | struct target_msgbuf *target_mb; | |
2906 | struct msgbuf *host_mb; | |
992f48a0 | 2907 | abi_long ret = 0; |
1bc012f6 | 2908 | |
579a97f7 FB |
2909 | if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0)) |
2910 | return -TARGET_EFAULT; | |
1bc012f6 | 2911 | host_mb = malloc(msgsz+sizeof(long)); |
cbb21eed | 2912 | host_mb->mtype = (abi_long) tswapal(target_mb->mtype); |
1c54ff97 | 2913 | memcpy(host_mb->mtext, target_mb->mtext, msgsz); |
1bc012f6 TS |
2914 | ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg)); |
2915 | free(host_mb); | |
2916 | unlock_user_struct(target_mb, msgp, 0); | |
2917 | ||
2918 | return ret; | |
2919 | } | |
2920 | ||
992f48a0 | 2921 | static inline abi_long do_msgrcv(int msqid, abi_long msgp, |
1c54ff97 | 2922 | unsigned int msgsz, abi_long msgtyp, |
992f48a0 | 2923 | int msgflg) |
1bc012f6 TS |
2924 | { |
2925 | struct target_msgbuf *target_mb; | |
579a97f7 | 2926 | char *target_mtext; |
1bc012f6 | 2927 | struct msgbuf *host_mb; |
992f48a0 | 2928 | abi_long ret = 0; |
1bc012f6 | 2929 | |
579a97f7 FB |
2930 | if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0)) |
2931 | return -TARGET_EFAULT; | |
1c54ff97 | 2932 | |
0d07fe47 | 2933 | host_mb = g_malloc(msgsz+sizeof(long)); |
79dd77de | 2934 | ret = get_errno(msgrcv(msqid, host_mb, msgsz, msgtyp, msgflg)); |
1c54ff97 | 2935 | |
579a97f7 FB |
2936 | if (ret > 0) { |
2937 | abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong); | |
2938 | target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0); | |
2939 | if (!target_mtext) { | |
2940 | ret = -TARGET_EFAULT; | |
2941 | goto end; | |
2942 | } | |
1c54ff97 | 2943 | memcpy(target_mb->mtext, host_mb->mtext, ret); |
579a97f7 FB |
2944 | unlock_user(target_mtext, target_mtext_addr, ret); |
2945 | } | |
1c54ff97 | 2946 | |
cbb21eed | 2947 | target_mb->mtype = tswapal(host_mb->mtype); |
1bc012f6 | 2948 | |
579a97f7 FB |
2949 | end: |
2950 | if (target_mb) | |
2951 | unlock_user_struct(target_mb, msgp, 1); | |
0d07fe47 | 2952 | g_free(host_mb); |
1bc012f6 TS |
2953 | return ret; |
2954 | } | |
2955 | ||
88a8c984 RV |
2956 | struct target_shmid_ds |
2957 | { | |
2958 | struct target_ipc_perm shm_perm; | |
2959 | abi_ulong shm_segsz; | |
2960 | abi_ulong shm_atime; | |
2961 | #if TARGET_ABI_BITS == 32 | |
2962 | abi_ulong __unused1; | |
2963 | #endif | |
2964 | abi_ulong shm_dtime; | |
2965 | #if TARGET_ABI_BITS == 32 | |
2966 | abi_ulong __unused2; | |
2967 | #endif | |
2968 | abi_ulong shm_ctime; | |
2969 | #if TARGET_ABI_BITS == 32 | |
2970 | abi_ulong __unused3; | |
2971 | #endif | |
2972 | int shm_cpid; | |
2973 | int shm_lpid; | |
2974 | abi_ulong shm_nattch; | |
2975 | unsigned long int __unused4; | |
2976 | unsigned long int __unused5; | |
2977 | }; | |
2978 | ||
2979 | static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd, | |
2980 | abi_ulong target_addr) | |
2981 | { | |
2982 | struct target_shmid_ds *target_sd; | |
2983 | ||
2984 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) | |
2985 | return -TARGET_EFAULT; | |
2986 | if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr)) | |
2987 | return -TARGET_EFAULT; | |
2988 | __get_user(host_sd->shm_segsz, &target_sd->shm_segsz); | |
2989 | __get_user(host_sd->shm_atime, &target_sd->shm_atime); | |
2990 | __get_user(host_sd->shm_dtime, &target_sd->shm_dtime); | |
2991 | __get_user(host_sd->shm_ctime, &target_sd->shm_ctime); | |
2992 | __get_user(host_sd->shm_cpid, &target_sd->shm_cpid); | |
2993 | __get_user(host_sd->shm_lpid, &target_sd->shm_lpid); | |
2994 | __get_user(host_sd->shm_nattch, &target_sd->shm_nattch); | |
2995 | unlock_user_struct(target_sd, target_addr, 0); | |
2996 | return 0; | |
2997 | } | |
2998 | ||
2999 | static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr, | |
3000 | struct shmid_ds *host_sd) | |
3001 | { | |
3002 | struct target_shmid_ds *target_sd; | |
3003 | ||
3004 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) | |
3005 | return -TARGET_EFAULT; | |
3006 | if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm))) | |
3007 | return -TARGET_EFAULT; | |
3008 | __put_user(host_sd->shm_segsz, &target_sd->shm_segsz); | |
3009 | __put_user(host_sd->shm_atime, &target_sd->shm_atime); | |
3010 | __put_user(host_sd->shm_dtime, &target_sd->shm_dtime); | |
3011 | __put_user(host_sd->shm_ctime, &target_sd->shm_ctime); | |
3012 | __put_user(host_sd->shm_cpid, &target_sd->shm_cpid); | |
3013 | __put_user(host_sd->shm_lpid, &target_sd->shm_lpid); | |
3014 | __put_user(host_sd->shm_nattch, &target_sd->shm_nattch); | |
3015 | unlock_user_struct(target_sd, target_addr, 1); | |
3016 | return 0; | |
3017 | } | |
3018 | ||
3019 | struct target_shminfo { | |
3020 | abi_ulong shmmax; | |
3021 | abi_ulong shmmin; | |
3022 | abi_ulong shmmni; | |
3023 | abi_ulong shmseg; | |
3024 | abi_ulong shmall; | |
3025 | }; | |
3026 | ||
3027 | static inline abi_long host_to_target_shminfo(abi_ulong target_addr, | |
3028 | struct shminfo *host_shminfo) | |
3029 | { | |
3030 | struct target_shminfo *target_shminfo; | |
3031 | if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0)) | |
3032 | return -TARGET_EFAULT; | |
3033 | __put_user(host_shminfo->shmmax, &target_shminfo->shmmax); | |
3034 | __put_user(host_shminfo->shmmin, &target_shminfo->shmmin); | |
3035 | __put_user(host_shminfo->shmmni, &target_shminfo->shmmni); | |
3036 | __put_user(host_shminfo->shmseg, &target_shminfo->shmseg); | |
3037 | __put_user(host_shminfo->shmall, &target_shminfo->shmall); | |
3038 | unlock_user_struct(target_shminfo, target_addr, 1); | |
3039 | return 0; | |
3040 | } | |
3041 | ||
3042 | struct target_shm_info { | |
3043 | int used_ids; | |
3044 | abi_ulong shm_tot; | |
3045 | abi_ulong shm_rss; | |
3046 | abi_ulong shm_swp; | |
3047 | abi_ulong swap_attempts; | |
3048 | abi_ulong swap_successes; | |
3049 | }; | |
3050 | ||
3051 | static inline abi_long host_to_target_shm_info(abi_ulong target_addr, | |
3052 | struct shm_info *host_shm_info) | |
3053 | { | |
3054 | struct target_shm_info *target_shm_info; | |
3055 | if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0)) | |
3056 | return -TARGET_EFAULT; | |
3057 | __put_user(host_shm_info->used_ids, &target_shm_info->used_ids); | |
3058 | __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot); | |
3059 | __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss); | |
3060 | __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp); | |
3061 | __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts); | |
3062 | __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes); | |
3063 | unlock_user_struct(target_shm_info, target_addr, 1); | |
3064 | return 0; | |
3065 | } | |
3066 | ||
3067 | static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf) | |
3068 | { | |
3069 | struct shmid_ds dsarg; | |
3070 | struct shminfo shminfo; | |
3071 | struct shm_info shm_info; | |
3072 | abi_long ret = -TARGET_EINVAL; | |
3073 | ||
3074 | cmd &= 0xff; | |
3075 | ||
3076 | switch(cmd) { | |
3077 | case IPC_STAT: | |
3078 | case IPC_SET: | |
3079 | case SHM_STAT: | |
3080 | if (target_to_host_shmid_ds(&dsarg, buf)) | |
3081 | return -TARGET_EFAULT; | |
3082 | ret = get_errno(shmctl(shmid, cmd, &dsarg)); | |
3083 | if (host_to_target_shmid_ds(buf, &dsarg)) | |
3084 | return -TARGET_EFAULT; | |
3085 | break; | |
3086 | case IPC_INFO: | |
3087 | ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo)); | |
3088 | if (host_to_target_shminfo(buf, &shminfo)) | |
3089 | return -TARGET_EFAULT; | |
3090 | break; | |
3091 | case SHM_INFO: | |
3092 | ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info)); | |
3093 | if (host_to_target_shm_info(buf, &shm_info)) | |
3094 | return -TARGET_EFAULT; | |
3095 | break; | |
3096 | case IPC_RMID: | |
3097 | case SHM_LOCK: | |
3098 | case SHM_UNLOCK: | |
3099 | ret = get_errno(shmctl(shmid, cmd, NULL)); | |
3100 | break; | |
3101 | } | |
3102 | ||
3103 | return ret; | |
3104 | } | |
3105 | ||
3106 | static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg) | |
3107 | { | |
3108 | abi_long raddr; | |
3109 | void *host_raddr; | |
3110 | struct shmid_ds shm_info; | |
3111 | int i,ret; | |
3112 | ||
3113 | /* find out the length of the shared memory segment */ | |
3114 | ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info)); | |
3115 | if (is_error(ret)) { | |
3116 | /* can't get length, bail out */ | |
3117 | return ret; | |
3118 | } | |
3119 | ||
3120 | mmap_lock(); | |
3121 | ||
3122 | if (shmaddr) | |
3123 | host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg); | |
3124 | else { | |
3125 | abi_ulong mmap_start; | |
3126 | ||
3127 | mmap_start = mmap_find_vma(0, shm_info.shm_segsz); | |
3128 | ||
3129 | if (mmap_start == -1) { | |
3130 | errno = ENOMEM; | |
3131 | host_raddr = (void *)-1; | |
3132 | } else | |
3133 | host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP); | |
3134 | } | |
3135 | ||
3136 | if (host_raddr == (void *)-1) { | |
3137 | mmap_unlock(); | |
3138 | return get_errno((long)host_raddr); | |
3139 | } | |
3140 | raddr=h2g((unsigned long)host_raddr); | |
3141 | ||
3142 | page_set_flags(raddr, raddr + shm_info.shm_segsz, | |
3143 | PAGE_VALID | PAGE_READ | | |
3144 | ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE)); | |
3145 | ||
3146 | for (i = 0; i < N_SHM_REGIONS; i++) { | |
3147 | if (shm_regions[i].start == 0) { | |
3148 | shm_regions[i].start = raddr; | |
3149 | shm_regions[i].size = shm_info.shm_segsz; | |
3150 | break; | |
3151 | } | |
3152 | } | |
3153 | ||
3154 | mmap_unlock(); | |
3155 | return raddr; | |
3156 | ||
3157 | } | |
3158 | ||
3159 | static inline abi_long do_shmdt(abi_ulong shmaddr) | |
3160 | { | |
3161 | int i; | |
3162 | ||
3163 | for (i = 0; i < N_SHM_REGIONS; ++i) { | |
3164 | if (shm_regions[i].start == shmaddr) { | |
3165 | shm_regions[i].start = 0; | |
e00ac249 | 3166 | page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0); |
88a8c984 RV |
3167 | break; |
3168 | } | |
3169 | } | |
3170 | ||
3171 | return get_errno(shmdt(g2h(shmaddr))); | |
3172 | } | |
3173 | ||
1c54ff97 | 3174 | #ifdef TARGET_NR_ipc |
53a5960a | 3175 | /* ??? This only works with linear mappings. */ |
0da46a6e | 3176 | /* do_ipc() must return target values and target errnos. */ |
992f48a0 BS |
3177 | static abi_long do_ipc(unsigned int call, int first, |
3178 | int second, int third, | |
3179 | abi_long ptr, abi_long fifth) | |
8853f86e FB |
3180 | { |
3181 | int version; | |
992f48a0 | 3182 | abi_long ret = 0; |
8853f86e FB |
3183 | |
3184 | version = call >> 16; | |
3185 | call &= 0xffff; | |
3186 | ||
3187 | switch (call) { | |
fa294816 | 3188 | case IPCOP_semop: |
e5289087 | 3189 | ret = do_semop(first, ptr, second); |
fa294816 TS |
3190 | break; |
3191 | ||
3192 | case IPCOP_semget: | |
3193 | ret = get_errno(semget(first, second, third)); | |
3194 | break; | |
3195 | ||
3196 | case IPCOP_semctl: | |
e5289087 | 3197 | ret = do_semctl(first, second, third, (union target_semun)(abi_ulong) ptr); |
fa294816 | 3198 | break; |
d96372ef | 3199 | |
1c54ff97 AJ |
3200 | case IPCOP_msgget: |
3201 | ret = get_errno(msgget(first, second)); | |
3202 | break; | |
d96372ef | 3203 | |
1c54ff97 AJ |
3204 | case IPCOP_msgsnd: |
3205 | ret = do_msgsnd(first, ptr, second, third); | |
3206 | break; | |
d96372ef | 3207 | |
1c54ff97 AJ |
3208 | case IPCOP_msgctl: |
3209 | ret = do_msgctl(first, second, ptr); | |
3210 | break; | |
d96372ef | 3211 | |
1c54ff97 AJ |
3212 | case IPCOP_msgrcv: |
3213 | switch (version) { | |
3214 | case 0: | |
3215 | { | |
3216 | struct target_ipc_kludge { | |
3217 | abi_long msgp; | |
3218 | abi_long msgtyp; | |
3219 | } *tmp; | |
3220 | ||
3221 | if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) { | |
3222 | ret = -TARGET_EFAULT; | |
3223 | break; | |
3224 | } | |
d96372ef | 3225 | |
79dd77de | 3226 | ret = do_msgrcv(first, tswapal(tmp->msgp), second, tswapal(tmp->msgtyp), third); |
d96372ef | 3227 | |
1c54ff97 AJ |
3228 | unlock_user_struct(tmp, ptr, 0); |
3229 | break; | |
3230 | } | |
3231 | default: | |
3232 | ret = do_msgrcv(first, ptr, second, fifth, third); | |
3233 | } | |
3234 | break; | |
d96372ef | 3235 | |
8853f86e | 3236 | case IPCOP_shmat: |
88a8c984 RV |
3237 | switch (version) { |
3238 | default: | |
5a4a898d FB |
3239 | { |
3240 | abi_ulong raddr; | |
88a8c984 RV |
3241 | raddr = do_shmat(first, ptr, second); |
3242 | if (is_error(raddr)) | |
3243 | return get_errno(raddr); | |
2f619698 | 3244 | if (put_user_ual(raddr, third)) |
5a4a898d | 3245 | return -TARGET_EFAULT; |
88a8c984 RV |
3246 | break; |
3247 | } | |
3248 | case 1: | |
3249 | ret = -TARGET_EINVAL; | |
3250 | break; | |
5a4a898d | 3251 | } |
8853f86e FB |
3252 | break; |
3253 | case IPCOP_shmdt: | |
88a8c984 | 3254 | ret = do_shmdt(ptr); |
8853f86e FB |
3255 | break; |
3256 | ||
3257 | case IPCOP_shmget: | |
3258 | /* IPC_* flag values are the same on all linux platforms */ | |
3259 | ret = get_errno(shmget(first, second, third)); | |
3260 | break; | |
3261 | ||
3262 | /* IPC_* and SHM_* command values are the same on all linux platforms */ | |
3263 | case IPCOP_shmctl: | |
88a8c984 | 3264 | ret = do_shmctl(first, second, third); |
8853f86e FB |
3265 | break; |
3266 | default: | |
32407103 | 3267 | gemu_log("Unsupported ipc call: %d (version %d)\n", call, version); |
0da46a6e | 3268 | ret = -TARGET_ENOSYS; |
8853f86e FB |
3269 | break; |
3270 | } | |
3271 | return ret; | |
3272 | } | |
32407103 | 3273 | #endif |
8853f86e | 3274 | |
31e31b8a | 3275 | /* kernel structure types definitions */ |
31e31b8a | 3276 | |
001faf32 | 3277 | #define STRUCT(name, ...) STRUCT_ ## name, |
31e31b8a FB |
3278 | #define STRUCT_SPECIAL(name) STRUCT_ ## name, |
3279 | enum { | |
3280 | #include "syscall_types.h" | |
3281 | }; | |
3282 | #undef STRUCT | |
3283 | #undef STRUCT_SPECIAL | |
3284 | ||
001faf32 | 3285 | #define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL }; |
31e31b8a FB |
3286 | #define STRUCT_SPECIAL(name) |
3287 | #include "syscall_types.h" | |
3288 | #undef STRUCT | |
3289 | #undef STRUCT_SPECIAL | |
3290 | ||
d2ef05bb PM |
3291 | typedef struct IOCTLEntry IOCTLEntry; |
3292 | ||
3293 | typedef abi_long do_ioctl_fn(const IOCTLEntry *ie, uint8_t *buf_temp, | |
3294 | int fd, abi_long cmd, abi_long arg); | |
3295 | ||
3296 | struct IOCTLEntry { | |
2ab83ea7 FB |
3297 | unsigned int target_cmd; |
3298 | unsigned int host_cmd; | |
31e31b8a FB |
3299 | const char *name; |
3300 | int access; | |
d2ef05bb | 3301 | do_ioctl_fn *do_ioctl; |
1a9353d2 | 3302 | const argtype arg_type[5]; |
d2ef05bb | 3303 | }; |
31e31b8a FB |
3304 | |
3305 | #define IOC_R 0x0001 | |
3306 | #define IOC_W 0x0002 | |
3307 | #define IOC_RW (IOC_R | IOC_W) | |
3308 | ||
3309 | #define MAX_STRUCT_SIZE 4096 | |
3310 | ||
dace20dc | 3311 | #ifdef CONFIG_FIEMAP |
285da2b9 PM |
3312 | /* So fiemap access checks don't overflow on 32 bit systems. |
3313 | * This is very slightly smaller than the limit imposed by | |
3314 | * the underlying kernel. | |
3315 | */ | |
3316 | #define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \ | |
3317 | / sizeof(struct fiemap_extent)) | |
3318 | ||
3319 | static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp, | |
3320 | int fd, abi_long cmd, abi_long arg) | |
3321 | { | |
3322 | /* The parameter for this ioctl is a struct fiemap followed | |
3323 | * by an array of struct fiemap_extent whose size is set | |
3324 | * in fiemap->fm_extent_count. The array is filled in by the | |
3325 | * ioctl. | |
3326 | */ | |
3327 | int target_size_in, target_size_out; | |
3328 | struct fiemap *fm; | |
3329 | const argtype *arg_type = ie->arg_type; | |
3330 | const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) }; | |
3331 | void *argptr, *p; | |
3332 | abi_long ret; | |
3333 | int i, extent_size = thunk_type_size(extent_arg_type, 0); | |
3334 | uint32_t outbufsz; | |
3335 | int free_fm = 0; | |
3336 | ||
3337 | assert(arg_type[0] == TYPE_PTR); | |
3338 | assert(ie->access == IOC_RW); | |
3339 | arg_type++; | |
3340 | target_size_in = thunk_type_size(arg_type, 0); | |
3341 | argptr = lock_user(VERIFY_READ, arg, target_size_in, 1); | |
3342 | if (!argptr) { | |
3343 | return -TARGET_EFAULT; | |
3344 | } | |
3345 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
3346 | unlock_user(argptr, arg, 0); | |
3347 | fm = (struct fiemap *)buf_temp; | |
3348 | if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) { | |
3349 | return -TARGET_EINVAL; | |
3350 | } | |
3351 | ||
3352 | outbufsz = sizeof (*fm) + | |
3353 | (sizeof(struct fiemap_extent) * fm->fm_extent_count); | |
3354 | ||
3355 | if (outbufsz > MAX_STRUCT_SIZE) { | |
3356 | /* We can't fit all the extents into the fixed size buffer. | |
3357 | * Allocate one that is large enough and use it instead. | |
3358 | */ | |
3359 | fm = malloc(outbufsz); | |
3360 | if (!fm) { | |
3361 | return -TARGET_ENOMEM; | |
3362 | } | |
3363 | memcpy(fm, buf_temp, sizeof(struct fiemap)); | |
3364 | free_fm = 1; | |
3365 | } | |
3366 | ret = get_errno(ioctl(fd, ie->host_cmd, fm)); | |
3367 | if (!is_error(ret)) { | |
3368 | target_size_out = target_size_in; | |
3369 | /* An extent_count of 0 means we were only counting the extents | |
3370 | * so there are no structs to copy | |
3371 | */ | |
3372 | if (fm->fm_extent_count != 0) { | |
3373 | target_size_out += fm->fm_mapped_extents * extent_size; | |
3374 | } | |
3375 | argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0); | |
3376 | if (!argptr) { | |
3377 | ret = -TARGET_EFAULT; | |
3378 | } else { | |
3379 | /* Convert the struct fiemap */ | |
3380 | thunk_convert(argptr, fm, arg_type, THUNK_TARGET); | |
3381 | if (fm->fm_extent_count != 0) { | |
3382 | p = argptr + target_size_in; | |
3383 | /* ...and then all the struct fiemap_extents */ | |
3384 | for (i = 0; i < fm->fm_mapped_extents; i++) { | |
3385 | thunk_convert(p, &fm->fm_extents[i], extent_arg_type, | |
3386 | THUNK_TARGET); | |
3387 | p += extent_size; | |
3388 | } | |
3389 | } | |
3390 | unlock_user(argptr, arg, target_size_out); | |
3391 | } | |
3392 | } | |
3393 | if (free_fm) { | |
3394 | free(fm); | |
3395 | } | |
3396 | return ret; | |
3397 | } | |
dace20dc | 3398 | #endif |
285da2b9 | 3399 | |
059c2f2c LV |
3400 | static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp, |
3401 | int fd, abi_long cmd, abi_long arg) | |
3402 | { | |
3403 | const argtype *arg_type = ie->arg_type; | |
3404 | int target_size; | |
3405 | void *argptr; | |
3406 | int ret; | |
3407 | struct ifconf *host_ifconf; | |
3408 | uint32_t outbufsz; | |
3409 | const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) }; | |
3410 | int target_ifreq_size; | |
3411 | int nb_ifreq; | |
3412 | int free_buf = 0; | |
3413 | int i; | |
3414 | int target_ifc_len; | |
3415 | abi_long target_ifc_buf; | |
3416 | int host_ifc_len; | |
3417 | char *host_ifc_buf; | |
3418 | ||
3419 | assert(arg_type[0] == TYPE_PTR); | |
3420 | assert(ie->access == IOC_RW); | |
3421 | ||
3422 | arg_type++; | |
3423 | target_size = thunk_type_size(arg_type, 0); | |
3424 | ||
3425 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
3426 | if (!argptr) | |
3427 | return -TARGET_EFAULT; | |
3428 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
3429 | unlock_user(argptr, arg, 0); | |
3430 | ||
3431 | host_ifconf = (struct ifconf *)(unsigned long)buf_temp; | |
3432 | target_ifc_len = host_ifconf->ifc_len; | |
3433 | target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf; | |
3434 | ||
3435 | target_ifreq_size = thunk_type_size(ifreq_arg_type, 0); | |
3436 | nb_ifreq = target_ifc_len / target_ifreq_size; | |
3437 | host_ifc_len = nb_ifreq * sizeof(struct ifreq); | |
3438 | ||
3439 | outbufsz = sizeof(*host_ifconf) + host_ifc_len; | |
3440 | if (outbufsz > MAX_STRUCT_SIZE) { | |
3441 | /* We can't fit all the extents into the fixed size buffer. | |
3442 | * Allocate one that is large enough and use it instead. | |
3443 | */ | |
3444 | host_ifconf = malloc(outbufsz); | |
3445 | if (!host_ifconf) { | |
3446 | return -TARGET_ENOMEM; | |
3447 | } | |
3448 | memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf)); | |
3449 | free_buf = 1; | |
3450 | } | |
3451 | host_ifc_buf = (char*)host_ifconf + sizeof(*host_ifconf); | |
3452 | ||
3453 | host_ifconf->ifc_len = host_ifc_len; | |
3454 | host_ifconf->ifc_buf = host_ifc_buf; | |
3455 | ||
3456 | ret = get_errno(ioctl(fd, ie->host_cmd, host_ifconf)); | |
3457 | if (!is_error(ret)) { | |
3458 | /* convert host ifc_len to target ifc_len */ | |
3459 | ||
3460 | nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq); | |
3461 | target_ifc_len = nb_ifreq * target_ifreq_size; | |
3462 | host_ifconf->ifc_len = target_ifc_len; | |
3463 | ||
3464 | /* restore target ifc_buf */ | |
3465 | ||
3466 | host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf; | |
3467 | ||
3468 | /* copy struct ifconf to target user */ | |
3469 | ||
3470 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
3471 | if (!argptr) | |
3472 | return -TARGET_EFAULT; | |
3473 | thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET); | |
3474 | unlock_user(argptr, arg, target_size); | |
3475 | ||
3476 | /* copy ifreq[] to target user */ | |
3477 | ||
3478 | argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0); | |
3479 | for (i = 0; i < nb_ifreq ; i++) { | |
3480 | thunk_convert(argptr + i * target_ifreq_size, | |
3481 | host_ifc_buf + i * sizeof(struct ifreq), | |
3482 | ifreq_arg_type, THUNK_TARGET); | |
3483 | } | |
3484 | unlock_user(argptr, target_ifc_buf, target_ifc_len); | |
3485 | } | |
3486 | ||
3487 | if (free_buf) { | |
3488 | free(host_ifconf); | |
3489 | } | |
3490 | ||
3491 | return ret; | |
3492 | } | |
3493 | ||
56e904ec AG |
3494 | static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd, |
3495 | abi_long cmd, abi_long arg) | |
3496 | { | |
3497 | void *argptr; | |
3498 | struct dm_ioctl *host_dm; | |
3499 | abi_long guest_data; | |
3500 | uint32_t guest_data_size; | |
3501 | int target_size; | |
3502 | const argtype *arg_type = ie->arg_type; | |
3503 | abi_long ret; | |
3504 | void *big_buf = NULL; | |
3505 | char *host_data; | |
3506 | ||
3507 | arg_type++; | |
3508 | target_size = thunk_type_size(arg_type, 0); | |
3509 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
3510 | if (!argptr) { | |
3511 | ret = -TARGET_EFAULT; | |
3512 | goto out; | |
3513 | } | |
3514 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
3515 | unlock_user(argptr, arg, 0); | |
3516 | ||
3517 | /* buf_temp is too small, so fetch things into a bigger buffer */ | |
3518 | big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2); | |
3519 | memcpy(big_buf, buf_temp, target_size); | |
3520 | buf_temp = big_buf; | |
3521 | host_dm = big_buf; | |
3522 | ||
3523 | guest_data = arg + host_dm->data_start; | |
3524 | if ((guest_data - arg) < 0) { | |
3525 | ret = -EINVAL; | |
3526 | goto out; | |
3527 | } | |
3528 | guest_data_size = host_dm->data_size - host_dm->data_start; | |
3529 | host_data = (char*)host_dm + host_dm->data_start; | |
3530 | ||
3531 | argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1); | |
3532 | switch (ie->host_cmd) { | |
3533 | case DM_REMOVE_ALL: | |
3534 | case DM_LIST_DEVICES: | |
3535 | case DM_DEV_CREATE: | |
3536 | case DM_DEV_REMOVE: | |
3537 | case DM_DEV_SUSPEND: | |
3538 | case DM_DEV_STATUS: | |
3539 | case DM_DEV_WAIT: | |
3540 | case DM_TABLE_STATUS: | |
3541 | case DM_TABLE_CLEAR: | |
3542 | case DM_TABLE_DEPS: | |
3543 | case DM_LIST_VERSIONS: | |
3544 | /* no input data */ | |
3545 | break; | |
3546 | case DM_DEV_RENAME: | |
3547 | case DM_DEV_SET_GEOMETRY: | |
3548 | /* data contains only strings */ | |
3549 | memcpy(host_data, argptr, guest_data_size); | |
3550 | break; | |
3551 | case DM_TARGET_MSG: | |
3552 | memcpy(host_data, argptr, guest_data_size); | |
3553 | *(uint64_t*)host_data = tswap64(*(uint64_t*)argptr); | |
3554 | break; | |
3555 | case DM_TABLE_LOAD: | |
3556 | { | |
3557 | void *gspec = argptr; | |
3558 | void *cur_data = host_data; | |
3559 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) }; | |
3560 | int spec_size = thunk_type_size(arg_type, 0); | |
3561 | int i; | |
3562 | ||
3563 | for (i = 0; i < host_dm->target_count; i++) { | |
3564 | struct dm_target_spec *spec = cur_data; | |
3565 | uint32_t next; | |
3566 | int slen; | |
3567 | ||
3568 | thunk_convert(spec, gspec, arg_type, THUNK_HOST); | |
3569 | slen = strlen((char*)gspec + spec_size) + 1; | |
3570 | next = spec->next; | |
3571 | spec->next = sizeof(*spec) + slen; | |
3572 | strcpy((char*)&spec[1], gspec + spec_size); | |
3573 | gspec += next; | |
3574 | cur_data += spec->next; | |
3575 | } | |
3576 | break; | |
3577 | } | |
3578 | default: | |
3579 | ret = -TARGET_EINVAL; | |
3580 | goto out; | |
3581 | } | |
3582 | unlock_user(argptr, guest_data, 0); | |
3583 | ||
3584 | ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); | |
3585 | if (!is_error(ret)) { | |
3586 | guest_data = arg + host_dm->data_start; | |
3587 | guest_data_size = host_dm->data_size - host_dm->data_start; | |
3588 | argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0); | |
3589 | switch (ie->host_cmd) { | |
3590 | case DM_REMOVE_ALL: | |
3591 | case DM_DEV_CREATE: | |
3592 | case DM_DEV_REMOVE: | |
3593 | case DM_DEV_RENAME: | |
3594 | case DM_DEV_SUSPEND: | |
3595 | case DM_DEV_STATUS: | |
3596 | case DM_TABLE_LOAD: | |
3597 | case DM_TABLE_CLEAR: | |
3598 | case DM_TARGET_MSG: | |
3599 | case DM_DEV_SET_GEOMETRY: | |
3600 | /* no return data */ | |
3601 | break; | |
3602 | case DM_LIST_DEVICES: | |
3603 | { | |
3604 | struct dm_name_list *nl = (void*)host_dm + host_dm->data_start; | |
3605 | uint32_t remaining_data = guest_data_size; | |
3606 | void *cur_data = argptr; | |
3607 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) }; | |
3608 | int nl_size = 12; /* can't use thunk_size due to alignment */ | |
3609 | ||
3610 | while (1) { | |
3611 | uint32_t next = nl->next; | |
3612 | if (next) { | |
3613 | nl->next = nl_size + (strlen(nl->name) + 1); | |
3614 | } | |
3615 | if (remaining_data < nl->next) { | |
3616 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
3617 | break; | |
3618 | } | |
3619 | thunk_convert(cur_data, nl, arg_type, THUNK_TARGET); | |
3620 | strcpy(cur_data + nl_size, nl->name); | |
3621 | cur_data += nl->next; | |
3622 | remaining_data -= nl->next; | |
3623 | if (!next) { | |
3624 | break; | |
3625 | } | |
3626 | nl = (void*)nl + next; | |
3627 | } | |
3628 | break; | |
3629 | } | |
3630 | case DM_DEV_WAIT: | |
3631 | case DM_TABLE_STATUS: | |
3632 | { | |
3633 | struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start; | |
3634 | void *cur_data = argptr; | |
3635 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) }; | |
3636 | int spec_size = thunk_type_size(arg_type, 0); | |
3637 | int i; | |
3638 | ||
3639 | for (i = 0; i < host_dm->target_count; i++) { | |
3640 | uint32_t next = spec->next; | |
3641 | int slen = strlen((char*)&spec[1]) + 1; | |
3642 | spec->next = (cur_data - argptr) + spec_size + slen; | |
3643 | if (guest_data_size < spec->next) { | |
3644 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
3645 | break; | |
3646 | } | |
3647 | thunk_convert(cur_data, spec, arg_type, THUNK_TARGET); | |
3648 | strcpy(cur_data + spec_size, (char*)&spec[1]); | |
3649 | cur_data = argptr + spec->next; | |
3650 | spec = (void*)host_dm + host_dm->data_start + next; | |
3651 | } | |
3652 | break; | |
3653 | } | |
3654 | case DM_TABLE_DEPS: | |
3655 | { | |
3656 | void *hdata = (void*)host_dm + host_dm->data_start; | |
3657 | int count = *(uint32_t*)hdata; | |
3658 | uint64_t *hdev = hdata + 8; | |
3659 | uint64_t *gdev = argptr + 8; | |
3660 | int i; | |
3661 | ||
3662 | *(uint32_t*)argptr = tswap32(count); | |
3663 | for (i = 0; i < count; i++) { | |
3664 | *gdev = tswap64(*hdev); | |
3665 | gdev++; | |
3666 | hdev++; | |
3667 | } | |
3668 | break; | |
3669 | } | |
3670 | case DM_LIST_VERSIONS: | |
3671 | { | |
3672 | struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start; | |
3673 | uint32_t remaining_data = guest_data_size; | |
3674 | void *cur_data = argptr; | |
3675 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) }; | |
3676 | int vers_size = thunk_type_size(arg_type, 0); | |
3677 | ||
3678 | while (1) { | |
3679 | uint32_t next = vers->next; | |
3680 | if (next) { | |
3681 | vers->next = vers_size + (strlen(vers->name) + 1); | |
3682 | } | |
3683 | if (remaining_data < vers->next) { | |
3684 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
3685 | break; | |
3686 | } | |
3687 | thunk_convert(cur_data, vers, arg_type, THUNK_TARGET); | |
3688 | strcpy(cur_data + vers_size, vers->name); | |
3689 | cur_data += vers->next; | |
3690 | remaining_data -= vers->next; | |
3691 | if (!next) { | |
3692 | break; | |
3693 | } | |
3694 | vers = (void*)vers + next; | |
3695 | } | |
3696 | break; | |
3697 | } | |
3698 | default: | |
3699 | ret = -TARGET_EINVAL; | |
3700 | goto out; | |
3701 | } | |
3702 | unlock_user(argptr, guest_data, guest_data_size); | |
3703 | ||
3704 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
3705 | if (!argptr) { | |
3706 | ret = -TARGET_EFAULT; | |
3707 | goto out; | |
3708 | } | |
3709 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); | |
3710 | unlock_user(argptr, arg, target_size); | |
3711 | } | |
3712 | out: | |
ad11ad77 | 3713 | g_free(big_buf); |
56e904ec AG |
3714 | return ret; |
3715 | } | |
3716 | ||
9f106a75 | 3717 | static IOCTLEntry ioctl_entries[] = { |
001faf32 | 3718 | #define IOCTL(cmd, access, ...) \ |
d2ef05bb PM |
3719 | { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } }, |
3720 | #define IOCTL_SPECIAL(cmd, access, dofn, ...) \ | |
3721 | { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } }, | |
31e31b8a FB |
3722 | #include "ioctls.h" |
3723 | { 0, 0, }, | |
3724 | }; | |
3725 | ||
53a5960a | 3726 | /* ??? Implement proper locking for ioctls. */ |
0da46a6e | 3727 | /* do_ioctl() Must return target values and target errnos. */ |
992f48a0 | 3728 | static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg) |
31e31b8a FB |
3729 | { |
3730 | const IOCTLEntry *ie; | |
3731 | const argtype *arg_type; | |
992f48a0 | 3732 | abi_long ret; |
31e31b8a | 3733 | uint8_t buf_temp[MAX_STRUCT_SIZE]; |
53a5960a PB |
3734 | int target_size; |
3735 | void *argptr; | |
31e31b8a FB |
3736 | |
3737 | ie = ioctl_entries; | |
3738 | for(;;) { | |
3739 | if (ie->target_cmd == 0) { | |
32407103 | 3740 | gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd); |
0da46a6e | 3741 | return -TARGET_ENOSYS; |
31e31b8a FB |
3742 | } |
3743 | if (ie->target_cmd == cmd) | |
3744 | break; | |
3745 | ie++; | |
3746 | } | |
3747 | arg_type = ie->arg_type; | |
9de5e440 | 3748 | #if defined(DEBUG) |
32407103 | 3749 | gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name); |
72f03900 | 3750 | #endif |
d2ef05bb PM |
3751 | if (ie->do_ioctl) { |
3752 | return ie->do_ioctl(ie, buf_temp, fd, cmd, arg); | |
3753 | } | |
3754 | ||
31e31b8a FB |
3755 | switch(arg_type[0]) { |
3756 | case TYPE_NULL: | |
3757 | /* no argument */ | |
3758 | ret = get_errno(ioctl(fd, ie->host_cmd)); | |
3759 | break; | |
3760 | case TYPE_PTRVOID: | |
3761 | case TYPE_INT: | |
3762 | /* int argment */ | |
3763 | ret = get_errno(ioctl(fd, ie->host_cmd, arg)); | |
3764 | break; | |
3765 | case TYPE_PTR: | |
3766 | arg_type++; | |
53a5960a | 3767 | target_size = thunk_type_size(arg_type, 0); |
31e31b8a FB |
3768 | switch(ie->access) { |
3769 | case IOC_R: | |
3770 | ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); | |
3771 | if (!is_error(ret)) { | |
579a97f7 FB |
3772 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); |
3773 | if (!argptr) | |
3774 | return -TARGET_EFAULT; | |
53a5960a PB |
3775 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
3776 | unlock_user(argptr, arg, target_size); | |
31e31b8a FB |
3777 | } |
3778 | break; | |
3779 | case IOC_W: | |
579a97f7 FB |
3780 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); |
3781 | if (!argptr) | |
3782 | return -TARGET_EFAULT; | |
53a5960a PB |
3783 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
3784 | unlock_user(argptr, arg, 0); | |
31e31b8a FB |
3785 | ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
3786 | break; | |
3787 | default: | |
3788 | case IOC_RW: | |
579a97f7 FB |
3789 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); |
3790 | if (!argptr) | |
3791 | return -TARGET_EFAULT; | |
53a5960a PB |
3792 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
3793 | unlock_user(argptr, arg, 0); | |
31e31b8a FB |
3794 | ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
3795 | if (!is_error(ret)) { | |
579a97f7 FB |
3796 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); |
3797 | if (!argptr) | |
3798 | return -TARGET_EFAULT; | |
53a5960a PB |
3799 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
3800 | unlock_user(argptr, arg, target_size); | |
31e31b8a FB |
3801 | } |
3802 | break; | |
3803 | } | |
3804 | break; | |
3805 | default: | |
32407103 JM |
3806 | gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", |
3807 | (long)cmd, arg_type[0]); | |
0da46a6e | 3808 | ret = -TARGET_ENOSYS; |
31e31b8a FB |
3809 | break; |
3810 | } | |
3811 | return ret; | |
3812 | } | |
3813 | ||
b39bc503 | 3814 | static const bitmask_transtbl iflag_tbl[] = { |
31e31b8a FB |
3815 | { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, |
3816 | { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, | |
3817 | { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, | |
3818 | { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, | |
3819 | { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, | |
3820 | { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, | |
3821 | { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, | |
3822 | { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, | |
3823 | { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, | |
3824 | { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, | |
3825 | { TARGET_IXON, TARGET_IXON, IXON, IXON }, | |
3826 | { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, | |
3827 | { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, | |
3828 | { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, | |
3829 | { 0, 0, 0, 0 } | |
3830 | }; | |
3831 | ||
b39bc503 | 3832 | static const bitmask_transtbl oflag_tbl[] = { |
31e31b8a FB |
3833 | { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, |
3834 | { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, | |
3835 | { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, | |
3836 | { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, | |
3837 | { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, | |
3838 | { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, | |
3839 | { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, | |
3840 | { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, | |
3841 | { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, | |
3842 | { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, | |
3843 | { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, | |
3844 | { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, | |
3845 | { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, | |
3846 | { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, | |
3847 | { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, | |
3848 | { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, | |
3849 | { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, | |
3850 | { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, | |
3851 | { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, | |
3852 | { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, | |
3853 | { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, | |
3854 | { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, | |
3855 | { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, | |
3856 | { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, | |
3857 | { 0, 0, 0, 0 } | |
3858 | }; | |
3859 | ||
b39bc503 | 3860 | static const bitmask_transtbl cflag_tbl[] = { |
31e31b8a FB |
3861 | { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, |
3862 | { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, | |
3863 | { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, | |
3864 | { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, | |
3865 | { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, | |
3866 | { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, | |
3867 | { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, | |
3868 | { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, | |
3869 | { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, | |
3870 | { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, | |
3871 | { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, | |
3872 | { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, | |
3873 | { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, | |
3874 | { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, | |
3875 | { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, | |
3876 | { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, | |
3877 | { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, | |
3878 | { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, | |
3879 | { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, | |
3880 | { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, | |
3881 | { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, | |
3882 | { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, | |
3883 | { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, | |
3884 | { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, | |
3885 | { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, | |
3886 | { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, | |
3887 | { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, | |
3888 | { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, | |
3889 | { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, | |
3890 | { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, | |
3891 | { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, | |
3892 | { 0, 0, 0, 0 } | |
3893 | }; | |
3894 | ||
b39bc503 | 3895 | static const bitmask_transtbl lflag_tbl[] = { |
31e31b8a FB |
3896 | { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, |
3897 | { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, | |
3898 | { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, | |
3899 | { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, | |
3900 | { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, | |
3901 | { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, | |
3902 | { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, | |
3903 | { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, | |
3904 | { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, | |
3905 | { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, | |
3906 | { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, | |
3907 | { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, | |
3908 | { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, | |
3909 | { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, | |
3910 | { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, | |
3911 | { 0, 0, 0, 0 } | |
3912 | }; | |
3913 | ||
3914 | static void target_to_host_termios (void *dst, const void *src) | |
3915 | { | |
3916 | struct host_termios *host = dst; | |
3917 | const struct target_termios *target = src; | |
3b46e624 | 3918 | |
5fafdf24 | 3919 | host->c_iflag = |
31e31b8a | 3920 | target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); |
5fafdf24 | 3921 | host->c_oflag = |
31e31b8a | 3922 | target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); |
5fafdf24 | 3923 | host->c_cflag = |
31e31b8a | 3924 | target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); |
5fafdf24 | 3925 | host->c_lflag = |
31e31b8a FB |
3926 | target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); |
3927 | host->c_line = target->c_line; | |
3b46e624 | 3928 | |
44607123 | 3929 | memset(host->c_cc, 0, sizeof(host->c_cc)); |
5fafdf24 TS |
3930 | host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; |
3931 | host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; | |
3b46e624 | 3932 | host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; |
5fafdf24 | 3933 | host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; |
3b46e624 | 3934 | host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; |
5fafdf24 | 3935 | host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; |
3b46e624 | 3936 | host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; |
5fafdf24 | 3937 | host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; |
3b46e624 | 3938 | host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; |
5fafdf24 TS |
3939 | host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; |
3940 | host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; | |
3b46e624 TS |
3941 | host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; |
3942 | host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; | |
3943 | host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; | |
3944 | host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; | |
3945 | host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; | |
5fafdf24 | 3946 | host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; |
31e31b8a | 3947 | } |
3b46e624 | 3948 | |
31e31b8a FB |
3949 | static void host_to_target_termios (void *dst, const void *src) |
3950 | { | |
3951 | struct target_termios *target = dst; | |
3952 | const struct host_termios *host = src; | |
3953 | ||
5fafdf24 | 3954 | target->c_iflag = |
31e31b8a | 3955 | tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); |
5fafdf24 | 3956 | target->c_oflag = |
31e31b8a | 3957 | tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); |
5fafdf24 | 3958 | target->c_cflag = |
31e31b8a | 3959 | tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); |
5fafdf24 | 3960 | target->c_lflag = |
31e31b8a FB |
3961 | tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); |
3962 | target->c_line = host->c_line; | |
3b46e624 | 3963 | |
44607123 | 3964 | memset(target->c_cc, 0, sizeof(target->c_cc)); |
31e31b8a FB |
3965 | target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; |
3966 | target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; | |
3967 | target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; | |
3968 | target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; | |
3969 | target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; | |
3970 | target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; | |
3971 | target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; | |
3972 | target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; | |
3973 | target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; | |
3974 | target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; | |
3975 | target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; | |
3976 | target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; | |
3977 | target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; | |
3978 | target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; | |
3979 | target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; | |
3980 | target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; | |
3981 | target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; | |
3982 | } | |
3983 | ||
8e853dc7 | 3984 | static const StructEntry struct_termios_def = { |
31e31b8a FB |
3985 | .convert = { host_to_target_termios, target_to_host_termios }, |
3986 | .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, | |
3987 | .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, | |
3988 | }; | |
3989 | ||
5286db75 FB |
3990 | static bitmask_transtbl mmap_flags_tbl[] = { |
3991 | { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED }, | |
3992 | { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE }, | |
3993 | { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED }, | |
3994 | { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS }, | |
3995 | { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN }, | |
3996 | { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE }, | |
3997 | { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE }, | |
3998 | { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED }, | |
3999 | { 0, 0, 0, 0 } | |
4000 | }; | |
4001 | ||
2ab83ea7 | 4002 | #if defined(TARGET_I386) |
6dbad63e FB |
4003 | |
4004 | /* NOTE: there is really one LDT for all the threads */ | |
b1d8e52e | 4005 | static uint8_t *ldt_table; |
6dbad63e | 4006 | |
03acab66 | 4007 | static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount) |
6dbad63e FB |
4008 | { |
4009 | int size; | |
53a5960a | 4010 | void *p; |
6dbad63e FB |
4011 | |
4012 | if (!ldt_table) | |
4013 | return 0; | |
4014 | size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; | |
4015 | if (size > bytecount) | |
4016 | size = bytecount; | |
579a97f7 FB |
4017 | p = lock_user(VERIFY_WRITE, ptr, size, 0); |
4018 | if (!p) | |
03acab66 | 4019 | return -TARGET_EFAULT; |
579a97f7 | 4020 | /* ??? Should this by byteswapped? */ |
53a5960a PB |
4021 | memcpy(p, ldt_table, size); |
4022 | unlock_user(p, ptr, size); | |
6dbad63e FB |
4023 | return size; |
4024 | } | |
4025 | ||
4026 | /* XXX: add locking support */ | |
03acab66 FB |
4027 | static abi_long write_ldt(CPUX86State *env, |
4028 | abi_ulong ptr, unsigned long bytecount, int oldmode) | |
6dbad63e FB |
4029 | { |
4030 | struct target_modify_ldt_ldt_s ldt_info; | |
53a5960a | 4031 | struct target_modify_ldt_ldt_s *target_ldt_info; |
6dbad63e | 4032 | int seg_32bit, contents, read_exec_only, limit_in_pages; |
8d18e893 | 4033 | int seg_not_present, useable, lm; |
6dbad63e FB |
4034 | uint32_t *lp, entry_1, entry_2; |
4035 | ||
4036 | if (bytecount != sizeof(ldt_info)) | |
03acab66 | 4037 | return -TARGET_EINVAL; |
579a97f7 | 4038 | if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1)) |
03acab66 | 4039 | return -TARGET_EFAULT; |
53a5960a | 4040 | ldt_info.entry_number = tswap32(target_ldt_info->entry_number); |
cbb21eed | 4041 | ldt_info.base_addr = tswapal(target_ldt_info->base_addr); |
53a5960a PB |
4042 | ldt_info.limit = tswap32(target_ldt_info->limit); |
4043 | ldt_info.flags = tswap32(target_ldt_info->flags); | |
4044 | unlock_user_struct(target_ldt_info, ptr, 0); | |
3b46e624 | 4045 | |
6dbad63e | 4046 | if (ldt_info.entry_number >= TARGET_LDT_ENTRIES) |
03acab66 | 4047 | return -TARGET_EINVAL; |
6dbad63e FB |
4048 | seg_32bit = ldt_info.flags & 1; |
4049 | contents = (ldt_info.flags >> 1) & 3; | |
4050 | read_exec_only = (ldt_info.flags >> 3) & 1; | |
4051 | limit_in_pages = (ldt_info.flags >> 4) & 1; | |
4052 | seg_not_present = (ldt_info.flags >> 5) & 1; | |
4053 | useable = (ldt_info.flags >> 6) & 1; | |
8d18e893 FB |
4054 | #ifdef TARGET_ABI32 |
4055 | lm = 0; | |
4056 | #else | |
4057 | lm = (ldt_info.flags >> 7) & 1; | |
4058 | #endif | |
6dbad63e FB |
4059 | if (contents == 3) { |
4060 | if (oldmode) | |
03acab66 | 4061 | return -TARGET_EINVAL; |
6dbad63e | 4062 | if (seg_not_present == 0) |
03acab66 | 4063 | return -TARGET_EINVAL; |
6dbad63e FB |
4064 | } |
4065 | /* allocate the LDT */ | |
4066 | if (!ldt_table) { | |
e441570f AZ |
4067 | env->ldt.base = target_mmap(0, |
4068 | TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE, | |
4069 | PROT_READ|PROT_WRITE, | |
4070 | MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); | |
4071 | if (env->ldt.base == -1) | |
03acab66 | 4072 | return -TARGET_ENOMEM; |
e441570f AZ |
4073 | memset(g2h(env->ldt.base), 0, |
4074 | TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); | |
6dbad63e | 4075 | env->ldt.limit = 0xffff; |
e441570f | 4076 | ldt_table = g2h(env->ldt.base); |
6dbad63e FB |
4077 | } |
4078 | ||
4079 | /* NOTE: same code as Linux kernel */ | |
4080 | /* Allow LDTs to be cleared by the user. */ | |
4081 | if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { | |
4082 | if (oldmode || | |
4083 | (contents == 0 && | |
4084 | read_exec_only == 1 && | |
4085 | seg_32bit == 0 && | |
4086 | limit_in_pages == 0 && | |
4087 | seg_not_present == 1 && | |
4088 | useable == 0 )) { | |
4089 | entry_1 = 0; | |
4090 | entry_2 = 0; | |
4091 | goto install; | |
4092 | } | |
4093 | } | |
3b46e624 | 4094 | |
6dbad63e FB |
4095 | entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | |
4096 | (ldt_info.limit & 0x0ffff); | |
4097 | entry_2 = (ldt_info.base_addr & 0xff000000) | | |
4098 | ((ldt_info.base_addr & 0x00ff0000) >> 16) | | |
4099 | (ldt_info.limit & 0xf0000) | | |
4100 | ((read_exec_only ^ 1) << 9) | | |
4101 | (contents << 10) | | |
4102 | ((seg_not_present ^ 1) << 15) | | |
4103 | (seg_32bit << 22) | | |
4104 | (limit_in_pages << 23) | | |
8d18e893 | 4105 | (lm << 21) | |
6dbad63e FB |
4106 | 0x7000; |
4107 | if (!oldmode) | |
4108 | entry_2 |= (useable << 20); | |
14ae3ba7 | 4109 | |
6dbad63e FB |
4110 | /* Install the new entry ... */ |
4111 | install: | |
4112 | lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3)); | |
4113 | lp[0] = tswap32(entry_1); | |
4114 | lp[1] = tswap32(entry_2); | |
4115 | return 0; | |
4116 | } | |
4117 | ||
4118 | /* specific and weird i386 syscalls */ | |
8fcd3692 BS |
4119 | static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr, |
4120 | unsigned long bytecount) | |
6dbad63e | 4121 | { |
03acab66 | 4122 | abi_long ret; |
3b46e624 | 4123 | |
6dbad63e FB |
4124 | switch (func) { |
4125 | case 0: | |
4126 | ret = read_ldt(ptr, bytecount); | |
4127 | break; | |
4128 | case 1: | |
4129 | ret = write_ldt(env, ptr, bytecount, 1); | |
4130 | break; | |
4131 | case 0x11: | |
4132 | ret = write_ldt(env, ptr, bytecount, 0); | |
4133 | break; | |
03acab66 FB |
4134 | default: |
4135 | ret = -TARGET_ENOSYS; | |
4136 | break; | |
6dbad63e FB |
4137 | } |
4138 | return ret; | |
4139 | } | |
1b6b029e | 4140 | |
4583f589 | 4141 | #if defined(TARGET_I386) && defined(TARGET_ABI32) |
8fcd3692 | 4142 | static abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr) |
8d18e893 FB |
4143 | { |
4144 | uint64_t *gdt_table = g2h(env->gdt.base); | |
4145 | struct target_modify_ldt_ldt_s ldt_info; | |
4146 | struct target_modify_ldt_ldt_s *target_ldt_info; | |
4147 | int seg_32bit, contents, read_exec_only, limit_in_pages; | |
4148 | int seg_not_present, useable, lm; | |
4149 | uint32_t *lp, entry_1, entry_2; | |
4150 | int i; | |
4151 | ||
4152 | lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); | |
4153 | if (!target_ldt_info) | |
4154 | return -TARGET_EFAULT; | |
4155 | ldt_info.entry_number = tswap32(target_ldt_info->entry_number); | |
cbb21eed | 4156 | ldt_info.base_addr = tswapal(target_ldt_info->base_addr); |
8d18e893 FB |
4157 | ldt_info.limit = tswap32(target_ldt_info->limit); |
4158 | ldt_info.flags = tswap32(target_ldt_info->flags); | |
4159 | if (ldt_info.entry_number == -1) { | |
4160 | for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) { | |
4161 | if (gdt_table[i] == 0) { | |
4162 | ldt_info.entry_number = i; | |
4163 | target_ldt_info->entry_number = tswap32(i); | |
4164 | break; | |
4165 | } | |
4166 | } | |
4167 | } | |
4168 | unlock_user_struct(target_ldt_info, ptr, 1); | |
4169 | ||
4170 | if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN || | |
4171 | ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX) | |
4172 | return -TARGET_EINVAL; | |
4173 | seg_32bit = ldt_info.flags & 1; | |
4174 | contents = (ldt_info.flags >> 1) & 3; | |
4175 | read_exec_only = (ldt_info.flags >> 3) & 1; | |
4176 | limit_in_pages = (ldt_info.flags >> 4) & 1; | |
4177 | seg_not_present = (ldt_info.flags >> 5) & 1; | |
4178 | useable = (ldt_info.flags >> 6) & 1; | |
4179 | #ifdef TARGET_ABI32 | |
4180 | lm = 0; | |
4181 | #else | |
4182 | lm = (ldt_info.flags >> 7) & 1; | |
4183 | #endif | |
4184 | ||
4185 | if (contents == 3) { | |
4186 | if (seg_not_present == 0) | |
4187 | return -TARGET_EINVAL; | |
4188 | } | |
4189 | ||
4190 | /* NOTE: same code as Linux kernel */ | |
4191 | /* Allow LDTs to be cleared by the user. */ | |
4192 | if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { | |
4193 | if ((contents == 0 && | |
4194 | read_exec_only == 1 && | |
4195 | seg_32bit == 0 && | |
4196 | limit_in_pages == 0 && | |
4197 | seg_not_present == 1 && | |
4198 | useable == 0 )) { | |
4199 | entry_1 = 0; | |
4200 | entry_2 = 0; | |
4201 | goto install; | |
4202 | } | |
4203 | } | |
4204 | ||
4205 | entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | | |
4206 | (ldt_info.limit & 0x0ffff); | |
4207 | entry_2 = (ldt_info.base_addr & 0xff000000) | | |
4208 | ((ldt_info.base_addr & 0x00ff0000) >> 16) | | |
4209 | (ldt_info.limit & 0xf0000) | | |
4210 | ((read_exec_only ^ 1) << 9) | | |
4211 | (contents << 10) | | |
4212 | ((seg_not_present ^ 1) << 15) | | |
4213 | (seg_32bit << 22) | | |
4214 | (limit_in_pages << 23) | | |
4215 | (useable << 20) | | |
4216 | (lm << 21) | | |
4217 | 0x7000; | |
4218 | ||
4219 | /* Install the new entry ... */ | |
4220 | install: | |
4221 | lp = (uint32_t *)(gdt_table + ldt_info.entry_number); | |
4222 | lp[0] = tswap32(entry_1); | |
4223 | lp[1] = tswap32(entry_2); | |
4224 | return 0; | |
4225 | } | |
4226 | ||
8fcd3692 | 4227 | static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr) |
8d18e893 FB |
4228 | { |
4229 | struct target_modify_ldt_ldt_s *target_ldt_info; | |
4230 | uint64_t *gdt_table = g2h(env->gdt.base); | |
4231 | uint32_t base_addr, limit, flags; | |
4232 | int seg_32bit, contents, read_exec_only, limit_in_pages, idx; | |
4233 | int seg_not_present, useable, lm; | |
4234 | uint32_t *lp, entry_1, entry_2; | |
4235 | ||
4236 | lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); | |
4237 | if (!target_ldt_info) | |
4238 | return -TARGET_EFAULT; | |
4239 | idx = tswap32(target_ldt_info->entry_number); | |
4240 | if (idx < TARGET_GDT_ENTRY_TLS_MIN || | |
4241 | idx > TARGET_GDT_ENTRY_TLS_MAX) { | |
4242 | unlock_user_struct(target_ldt_info, ptr, 1); | |
4243 | return -TARGET_EINVAL; | |
4244 | } | |
4245 | lp = (uint32_t *)(gdt_table + idx); | |
4246 | entry_1 = tswap32(lp[0]); | |
4247 | entry_2 = tswap32(lp[1]); | |
4248 | ||
4249 | read_exec_only = ((entry_2 >> 9) & 1) ^ 1; | |
4250 | contents = (entry_2 >> 10) & 3; | |
4251 | seg_not_present = ((entry_2 >> 15) & 1) ^ 1; | |
4252 | seg_32bit = (entry_2 >> 22) & 1; | |
4253 | limit_in_pages = (entry_2 >> 23) & 1; | |
4254 | useable = (entry_2 >> 20) & 1; | |
4255 | #ifdef TARGET_ABI32 | |
4256 | lm = 0; | |
4257 | #else | |
4258 | lm = (entry_2 >> 21) & 1; | |
4259 | #endif | |
4260 | flags = (seg_32bit << 0) | (contents << 1) | | |
4261 | (read_exec_only << 3) | (limit_in_pages << 4) | | |
4262 | (seg_not_present << 5) | (useable << 6) | (lm << 7); | |
4263 | limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000); | |
4264 | base_addr = (entry_1 >> 16) | | |
4265 | (entry_2 & 0xff000000) | | |
4266 | ((entry_2 & 0xff) << 16); | |
cbb21eed | 4267 | target_ldt_info->base_addr = tswapal(base_addr); |
8d18e893 FB |
4268 | target_ldt_info->limit = tswap32(limit); |
4269 | target_ldt_info->flags = tswap32(flags); | |
4270 | unlock_user_struct(target_ldt_info, ptr, 1); | |
4271 | return 0; | |
4272 | } | |
4583f589 | 4273 | #endif /* TARGET_I386 && TARGET_ABI32 */ |
8d18e893 | 4274 | |
d2fd1af7 | 4275 | #ifndef TARGET_ABI32 |
8fcd3692 | 4276 | static abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr) |
d2fd1af7 | 4277 | { |
1add8698 | 4278 | abi_long ret = 0; |
d2fd1af7 FB |
4279 | abi_ulong val; |
4280 | int idx; | |
1add8698 | 4281 | |
d2fd1af7 FB |
4282 | switch(code) { |
4283 | case TARGET_ARCH_SET_GS: | |
4284 | case TARGET_ARCH_SET_FS: | |
4285 | if (code == TARGET_ARCH_SET_GS) | |
4286 | idx = R_GS; | |
4287 | else | |
4288 | idx = R_FS; | |
4289 | cpu_x86_load_seg(env, idx, 0); | |
4290 | env->segs[idx].base = addr; | |
4291 | break; | |
4292 | case TARGET_ARCH_GET_GS: | |
4293 | case TARGET_ARCH_GET_FS: | |
4294 | if (code == TARGET_ARCH_GET_GS) | |
4295 | idx = R_GS; | |
4296 | else | |
4297 | idx = R_FS; | |
4298 | val = env->segs[idx].base; | |
4299 | if (put_user(val, addr, abi_ulong)) | |
1add8698 | 4300 | ret = -TARGET_EFAULT; |
d2fd1af7 FB |
4301 | break; |
4302 | default: | |
4303 | ret = -TARGET_EINVAL; | |
4304 | break; | |
4305 | } | |
1add8698 | 4306 | return ret; |
d2fd1af7 FB |
4307 | } |
4308 | #endif | |
4309 | ||
2ab83ea7 FB |
4310 | #endif /* defined(TARGET_I386) */ |
4311 | ||
05098a93 | 4312 | #define NEW_STACK_SIZE 0x40000 |
d865bab5 | 4313 | |
05098a93 | 4314 | #if defined(CONFIG_USE_NPTL) |
d865bab5 PB |
4315 | |
4316 | static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER; | |
4317 | typedef struct { | |
9349b4f9 | 4318 | CPUArchState *env; |
d865bab5 PB |
4319 | pthread_mutex_t mutex; |
4320 | pthread_cond_t cond; | |
4321 | pthread_t thread; | |
4322 | uint32_t tid; | |
4323 | abi_ulong child_tidptr; | |
4324 | abi_ulong parent_tidptr; | |
4325 | sigset_t sigmask; | |
4326 | } new_thread_info; | |
4327 | ||
4328 | static void *clone_func(void *arg) | |
4329 | { | |
4330 | new_thread_info *info = arg; | |
9349b4f9 | 4331 | CPUArchState *env; |
0d34282f | 4332 | CPUState *cpu; |
edf8e2af | 4333 | TaskState *ts; |
d865bab5 PB |
4334 | |
4335 | env = info->env; | |
0d34282f | 4336 | cpu = ENV_GET_CPU(env); |
d865bab5 | 4337 | thread_env = env; |
edf8e2af | 4338 | ts = (TaskState *)thread_env->opaque; |
d865bab5 | 4339 | info->tid = gettid(); |
0d34282f | 4340 | cpu->host_tid = info->tid; |
edf8e2af | 4341 | task_settid(ts); |
d865bab5 PB |
4342 | if (info->child_tidptr) |
4343 | put_user_u32(info->tid, info->child_tidptr); | |
4344 | if (info->parent_tidptr) | |
4345 | put_user_u32(info->tid, info->parent_tidptr); | |
4346 | /* Enable signals. */ | |
4347 | sigprocmask(SIG_SETMASK, &info->sigmask, NULL); | |
4348 | /* Signal to the parent that we're ready. */ | |
4349 | pthread_mutex_lock(&info->mutex); | |
4350 | pthread_cond_broadcast(&info->cond); | |
4351 | pthread_mutex_unlock(&info->mutex); | |
4352 | /* Wait until the parent has finshed initializing the tls state. */ | |
4353 | pthread_mutex_lock(&clone_lock); | |
4354 | pthread_mutex_unlock(&clone_lock); | |
4355 | cpu_loop(env); | |
4356 | /* never exits */ | |
4357 | return NULL; | |
4358 | } | |
4359 | #else | |
1b6b029e FB |
4360 | |
4361 | static int clone_func(void *arg) | |
4362 | { | |
9349b4f9 | 4363 | CPUArchState *env = arg; |
1b6b029e FB |
4364 | cpu_loop(env); |
4365 | /* never exits */ | |
4366 | return 0; | |
4367 | } | |
d865bab5 | 4368 | #endif |
1b6b029e | 4369 | |
0da46a6e TS |
4370 | /* do_fork() Must return host values and target errnos (unlike most |
4371 | do_*() functions). */ | |
9349b4f9 | 4372 | static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp, |
d865bab5 PB |
4373 | abi_ulong parent_tidptr, target_ulong newtls, |
4374 | abi_ulong child_tidptr) | |
1b6b029e FB |
4375 | { |
4376 | int ret; | |
5cd4393b | 4377 | TaskState *ts; |
9349b4f9 | 4378 | CPUArchState *new_env; |
2f7bb878 | 4379 | #if defined(CONFIG_USE_NPTL) |
d865bab5 PB |
4380 | unsigned int nptl_flags; |
4381 | sigset_t sigmask; | |
9190749f RV |
4382 | #else |
4383 | uint8_t *new_stack; | |
d865bab5 | 4384 | #endif |
3b46e624 | 4385 | |
436d124b AZ |
4386 | /* Emulate vfork() with fork() */ |
4387 | if (flags & CLONE_VFORK) | |
4388 | flags &= ~(CLONE_VFORK | CLONE_VM); | |
4389 | ||
1b6b029e | 4390 | if (flags & CLONE_VM) { |
edf8e2af | 4391 | TaskState *parent_ts = (TaskState *)env->opaque; |
2f7bb878 | 4392 | #if defined(CONFIG_USE_NPTL) |
d865bab5 PB |
4393 | new_thread_info info; |
4394 | pthread_attr_t attr; | |
bd0c5661 | 4395 | #endif |
7267c094 | 4396 | ts = g_malloc0(sizeof(TaskState)); |
624f7979 | 4397 | init_task_state(ts); |
1b6b029e | 4398 | /* we create a new CPU instance. */ |
c5be9f08 | 4399 | new_env = cpu_copy(env); |
b4558d74 | 4400 | #if defined(TARGET_I386) || defined(TARGET_SPARC) || defined(TARGET_PPC) |
ff18b762 | 4401 | cpu_reset(ENV_GET_CPU(new_env)); |
b4558d74 | 4402 | #endif |
6e68e076 PB |
4403 | /* Init regs that differ from the parent. */ |
4404 | cpu_clone_regs(new_env, newsp); | |
5cd4393b | 4405 | new_env->opaque = ts; |
edf8e2af MW |
4406 | ts->bprm = parent_ts->bprm; |
4407 | ts->info = parent_ts->info; | |
2f7bb878 | 4408 | #if defined(CONFIG_USE_NPTL) |
d865bab5 PB |
4409 | nptl_flags = flags; |
4410 | flags &= ~CLONE_NPTL_FLAGS2; | |
4411 | ||
c2764719 PB |
4412 | if (nptl_flags & CLONE_CHILD_CLEARTID) { |
4413 | ts->child_tidptr = child_tidptr; | |
4414 | } | |
4415 | ||
d865bab5 PB |
4416 | if (nptl_flags & CLONE_SETTLS) |
4417 | cpu_set_tls (new_env, newtls); | |
4418 | ||
4419 | /* Grab a mutex so that thread setup appears atomic. */ | |
4420 | pthread_mutex_lock(&clone_lock); | |
4421 | ||
4422 | memset(&info, 0, sizeof(info)); | |
4423 | pthread_mutex_init(&info.mutex, NULL); | |
4424 | pthread_mutex_lock(&info.mutex); | |
4425 | pthread_cond_init(&info.cond, NULL); | |
4426 | info.env = new_env; | |
4427 | if (nptl_flags & CLONE_CHILD_SETTID) | |
4428 | info.child_tidptr = child_tidptr; | |
4429 | if (nptl_flags & CLONE_PARENT_SETTID) | |
4430 | info.parent_tidptr = parent_tidptr; | |
4431 | ||
4432 | ret = pthread_attr_init(&attr); | |
48e15fc2 NF |
4433 | ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE); |
4434 | ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); | |
d865bab5 PB |
4435 | /* It is not safe to deliver signals until the child has finished |
4436 | initializing, so temporarily block all signals. */ | |
4437 | sigfillset(&sigmask); | |
4438 | sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask); | |
4439 | ||
4440 | ret = pthread_create(&info.thread, &attr, clone_func, &info); | |
c2764719 | 4441 | /* TODO: Free new CPU state if thread creation failed. */ |
d865bab5 PB |
4442 | |
4443 | sigprocmask(SIG_SETMASK, &info.sigmask, NULL); | |
4444 | pthread_attr_destroy(&attr); | |
4445 | if (ret == 0) { | |
4446 | /* Wait for the child to initialize. */ | |
4447 | pthread_cond_wait(&info.cond, &info.mutex); | |
4448 | ret = info.tid; | |
4449 | if (flags & CLONE_PARENT_SETTID) | |
4450 | put_user_u32(ret, parent_tidptr); | |
4451 | } else { | |
4452 | ret = -1; | |
4453 | } | |
4454 | pthread_mutex_unlock(&info.mutex); | |
4455 | pthread_cond_destroy(&info.cond); | |
4456 | pthread_mutex_destroy(&info.mutex); | |
4457 | pthread_mutex_unlock(&clone_lock); | |
4458 | #else | |
4459 | if (flags & CLONE_NPTL_FLAGS2) | |
4460 | return -EINVAL; | |
4461 | /* This is probably going to die very quickly, but do it anyway. */ | |
7267c094 | 4462 | new_stack = g_malloc0 (NEW_STACK_SIZE); |
27725c1d | 4463 | #ifdef __ia64__ |
60e99246 | 4464 | ret = __clone2(clone_func, new_stack, NEW_STACK_SIZE, flags, new_env); |
27725c1d FB |
4465 | #else |
4466 | ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); | |
d865bab5 | 4467 | #endif |
27725c1d | 4468 | #endif |
1b6b029e FB |
4469 | } else { |
4470 | /* if no CLONE_VM, we consider it is a fork */ | |
d865bab5 | 4471 | if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0) |
1b6b029e | 4472 | return -EINVAL; |
d865bab5 | 4473 | fork_start(); |
1b6b029e | 4474 | ret = fork(); |
d865bab5 | 4475 | if (ret == 0) { |
2b1319c8 | 4476 | /* Child Process. */ |
d865bab5 PB |
4477 | cpu_clone_regs(env, newsp); |
4478 | fork_end(1); | |
2f7bb878 | 4479 | #if defined(CONFIG_USE_NPTL) |
2b1319c8 AJ |
4480 | /* There is a race condition here. The parent process could |
4481 | theoretically read the TID in the child process before the child | |
4482 | tid is set. This would require using either ptrace | |
4483 | (not implemented) or having *_tidptr to point at a shared memory | |
4484 | mapping. We can't repeat the spinlock hack used above because | |
4485 | the child process gets its own copy of the lock. */ | |
d865bab5 PB |
4486 | if (flags & CLONE_CHILD_SETTID) |
4487 | put_user_u32(gettid(), child_tidptr); | |
4488 | if (flags & CLONE_PARENT_SETTID) | |
4489 | put_user_u32(gettid(), parent_tidptr); | |
4490 | ts = (TaskState *)env->opaque; | |
4491 | if (flags & CLONE_SETTLS) | |
4492 | cpu_set_tls (env, newtls); | |
c2764719 PB |
4493 | if (flags & CLONE_CHILD_CLEARTID) |
4494 | ts->child_tidptr = child_tidptr; | |
2b1319c8 | 4495 | #endif |
d865bab5 PB |
4496 | } else { |
4497 | fork_end(0); | |
4498 | } | |
1b6b029e FB |
4499 | } |
4500 | return ret; | |
4501 | } | |
4502 | ||
5f106811 APR |
4503 | /* warning : doesn't handle linux specific flags... */ |
4504 | static int target_to_host_fcntl_cmd(int cmd) | |
4505 | { | |
4506 | switch(cmd) { | |
4507 | case TARGET_F_DUPFD: | |
4508 | case TARGET_F_GETFD: | |
4509 | case TARGET_F_SETFD: | |
4510 | case TARGET_F_GETFL: | |
4511 | case TARGET_F_SETFL: | |
4512 | return cmd; | |
4513 | case TARGET_F_GETLK: | |
4514 | return F_GETLK; | |
4515 | case TARGET_F_SETLK: | |
4516 | return F_SETLK; | |
4517 | case TARGET_F_SETLKW: | |
4518 | return F_SETLKW; | |
4519 | case TARGET_F_GETOWN: | |
4520 | return F_GETOWN; | |
4521 | case TARGET_F_SETOWN: | |
4522 | return F_SETOWN; | |
4523 | case TARGET_F_GETSIG: | |
4524 | return F_GETSIG; | |
4525 | case TARGET_F_SETSIG: | |
4526 | return F_SETSIG; | |
4527 | #if TARGET_ABI_BITS == 32 | |
4528 | case TARGET_F_GETLK64: | |
4529 | return F_GETLK64; | |
4530 | case TARGET_F_SETLK64: | |
4531 | return F_SETLK64; | |
4532 | case TARGET_F_SETLKW64: | |
4533 | return F_SETLKW64; | |
4534 | #endif | |
7e22e546 UH |
4535 | case TARGET_F_SETLEASE: |
4536 | return F_SETLEASE; | |
4537 | case TARGET_F_GETLEASE: | |
4538 | return F_GETLEASE; | |
fbd5de9b | 4539 | #ifdef F_DUPFD_CLOEXEC |
7e22e546 UH |
4540 | case TARGET_F_DUPFD_CLOEXEC: |
4541 | return F_DUPFD_CLOEXEC; | |
fbd5de9b | 4542 | #endif |
7e22e546 UH |
4543 | case TARGET_F_NOTIFY: |
4544 | return F_NOTIFY; | |
5f106811 APR |
4545 | default: |
4546 | return -TARGET_EINVAL; | |
4547 | } | |
4548 | return -TARGET_EINVAL; | |
4549 | } | |
4550 | ||
2ba7f730 LV |
4551 | #define TRANSTBL_CONVERT(a) { -1, TARGET_##a, -1, a } |
4552 | static const bitmask_transtbl flock_tbl[] = { | |
4553 | TRANSTBL_CONVERT(F_RDLCK), | |
4554 | TRANSTBL_CONVERT(F_WRLCK), | |
4555 | TRANSTBL_CONVERT(F_UNLCK), | |
4556 | TRANSTBL_CONVERT(F_EXLCK), | |
4557 | TRANSTBL_CONVERT(F_SHLCK), | |
4558 | { 0, 0, 0, 0 } | |
4559 | }; | |
4560 | ||
992f48a0 | 4561 | static abi_long do_fcntl(int fd, int cmd, abi_ulong arg) |
7775e9ec FB |
4562 | { |
4563 | struct flock fl; | |
53a5960a | 4564 | struct target_flock *target_fl; |
43f238d7 TS |
4565 | struct flock64 fl64; |
4566 | struct target_flock64 *target_fl64; | |
992f48a0 | 4567 | abi_long ret; |
5f106811 APR |
4568 | int host_cmd = target_to_host_fcntl_cmd(cmd); |
4569 | ||
4570 | if (host_cmd == -TARGET_EINVAL) | |
4571 | return host_cmd; | |
53a5960a | 4572 | |
7775e9ec FB |
4573 | switch(cmd) { |
4574 | case TARGET_F_GETLK: | |
579a97f7 FB |
4575 | if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1)) |
4576 | return -TARGET_EFAULT; | |
2ba7f730 LV |
4577 | fl.l_type = |
4578 | target_to_host_bitmask(tswap16(target_fl->l_type), flock_tbl); | |
5813427b | 4579 | fl.l_whence = tswap16(target_fl->l_whence); |
cbb21eed MB |
4580 | fl.l_start = tswapal(target_fl->l_start); |
4581 | fl.l_len = tswapal(target_fl->l_len); | |
7e22e546 | 4582 | fl.l_pid = tswap32(target_fl->l_pid); |
5813427b | 4583 | unlock_user_struct(target_fl, arg, 0); |
5f106811 | 4584 | ret = get_errno(fcntl(fd, host_cmd, &fl)); |
7775e9ec | 4585 | if (ret == 0) { |
579a97f7 FB |
4586 | if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0)) |
4587 | return -TARGET_EFAULT; | |
2ba7f730 LV |
4588 | target_fl->l_type = |
4589 | host_to_target_bitmask(tswap16(fl.l_type), flock_tbl); | |
7775e9ec | 4590 | target_fl->l_whence = tswap16(fl.l_whence); |
cbb21eed MB |
4591 | target_fl->l_start = tswapal(fl.l_start); |
4592 | target_fl->l_len = tswapal(fl.l_len); | |
7e22e546 | 4593 | target_fl->l_pid = tswap32(fl.l_pid); |
53a5960a | 4594 | unlock_user_struct(target_fl, arg, 1); |
7775e9ec FB |
4595 | } |
4596 | break; | |
3b46e624 | 4597 | |
7775e9ec FB |
4598 | case TARGET_F_SETLK: |
4599 | case TARGET_F_SETLKW: | |
579a97f7 FB |
4600 | if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1)) |
4601 | return -TARGET_EFAULT; | |
2ba7f730 LV |
4602 | fl.l_type = |
4603 | target_to_host_bitmask(tswap16(target_fl->l_type), flock_tbl); | |
7775e9ec | 4604 | fl.l_whence = tswap16(target_fl->l_whence); |
cbb21eed MB |
4605 | fl.l_start = tswapal(target_fl->l_start); |
4606 | fl.l_len = tswapal(target_fl->l_len); | |
7e22e546 | 4607 | fl.l_pid = tswap32(target_fl->l_pid); |
53a5960a | 4608 | unlock_user_struct(target_fl, arg, 0); |
5f106811 | 4609 | ret = get_errno(fcntl(fd, host_cmd, &fl)); |
7775e9ec | 4610 | break; |
3b46e624 | 4611 | |
7775e9ec | 4612 | case TARGET_F_GETLK64: |
579a97f7 FB |
4613 | if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1)) |
4614 | return -TARGET_EFAULT; | |
2ba7f730 LV |
4615 | fl64.l_type = |
4616 | target_to_host_bitmask(tswap16(target_fl64->l_type), flock_tbl) >> 1; | |
5813427b | 4617 | fl64.l_whence = tswap16(target_fl64->l_whence); |
cbb21eed MB |
4618 | fl64.l_start = tswap64(target_fl64->l_start); |
4619 | fl64.l_len = tswap64(target_fl64->l_len); | |
7e22e546 | 4620 | fl64.l_pid = tswap32(target_fl64->l_pid); |
5813427b | 4621 | unlock_user_struct(target_fl64, arg, 0); |
5f106811 | 4622 | ret = get_errno(fcntl(fd, host_cmd, &fl64)); |
43f238d7 | 4623 | if (ret == 0) { |
579a97f7 FB |
4624 | if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0)) |
4625 | return -TARGET_EFAULT; | |
2ba7f730 LV |
4626 | target_fl64->l_type = |
4627 | host_to_target_bitmask(tswap16(fl64.l_type), flock_tbl) >> 1; | |
43f238d7 | 4628 | target_fl64->l_whence = tswap16(fl64.l_whence); |
cbb21eed MB |
4629 | target_fl64->l_start = tswap64(fl64.l_start); |
4630 | target_fl64->l_len = tswap64(fl64.l_len); | |
7e22e546 | 4631 | target_fl64->l_pid = tswap32(fl64.l_pid); |
43f238d7 TS |
4632 | unlock_user_struct(target_fl64, arg, 1); |
4633 | } | |
9ee1fa2c | 4634 | break; |
7775e9ec FB |
4635 | case TARGET_F_SETLK64: |
4636 | case TARGET_F_SETLKW64: | |
579a97f7 FB |
4637 | if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1)) |
4638 | return -TARGET_EFAULT; | |
2ba7f730 LV |
4639 | fl64.l_type = |
4640 | target_to_host_bitmask(tswap16(target_fl64->l_type), flock_tbl) >> 1; | |
43f238d7 | 4641 | fl64.l_whence = tswap16(target_fl64->l_whence); |
cbb21eed MB |
4642 | fl64.l_start = tswap64(target_fl64->l_start); |
4643 | fl64.l_len = tswap64(target_fl64->l_len); | |
7e22e546 | 4644 | fl64.l_pid = tswap32(target_fl64->l_pid); |
43f238d7 | 4645 | unlock_user_struct(target_fl64, arg, 0); |
5f106811 | 4646 | ret = get_errno(fcntl(fd, host_cmd, &fl64)); |
7775e9ec FB |
4647 | break; |
4648 | ||
5f106811 APR |
4649 | case TARGET_F_GETFL: |
4650 | ret = get_errno(fcntl(fd, host_cmd, arg)); | |
9ee1fa2c FB |
4651 | if (ret >= 0) { |
4652 | ret = host_to_target_bitmask(ret, fcntl_flags_tbl); | |
4653 | } | |
ffa65c3b FB |
4654 | break; |
4655 | ||
5f106811 APR |
4656 | case TARGET_F_SETFL: |
4657 | ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl))); | |
4658 | break; | |
4659 | ||
4660 | case TARGET_F_SETOWN: | |
4661 | case TARGET_F_GETOWN: | |
4662 | case TARGET_F_SETSIG: | |
4663 | case TARGET_F_GETSIG: | |
7e22e546 UH |
4664 | case TARGET_F_SETLEASE: |
4665 | case TARGET_F_GETLEASE: | |
5f106811 | 4666 | ret = get_errno(fcntl(fd, host_cmd, arg)); |
ffa65c3b FB |
4667 | break; |
4668 | ||
7775e9ec | 4669 | default: |
9ee1fa2c | 4670 | ret = get_errno(fcntl(fd, cmd, arg)); |
7775e9ec FB |
4671 | break; |
4672 | } | |
4673 | return ret; | |
4674 | } | |
4675 | ||
67867308 | 4676 | #ifdef USE_UID16 |
7775e9ec | 4677 | |
67867308 FB |
4678 | static inline int high2lowuid(int uid) |
4679 | { | |
4680 | if (uid > 65535) | |
4681 | return 65534; | |
4682 | else | |
4683 | return uid; | |
4684 | } | |
4685 | ||
4686 | static inline int high2lowgid(int gid) | |
4687 | { | |
4688 | if (gid > 65535) | |
4689 | return 65534; | |
4690 | else | |
4691 | return gid; | |
4692 | } | |
4693 | ||
4694 | static inline int low2highuid(int uid) | |
4695 | { | |
4696 | if ((int16_t)uid == -1) | |
4697 | return -1; | |
4698 | else | |
4699 | return uid; | |
4700 | } | |
4701 | ||
4702 | static inline int low2highgid(int gid) | |
4703 | { | |
4704 | if ((int16_t)gid == -1) | |
4705 | return -1; | |
4706 | else | |
4707 | return gid; | |
4708 | } | |
0c866a7e RV |
4709 | static inline int tswapid(int id) |
4710 | { | |
4711 | return tswap16(id); | |
4712 | } | |
4713 | #else /* !USE_UID16 */ | |
4714 | static inline int high2lowuid(int uid) | |
4715 | { | |
4716 | return uid; | |
4717 | } | |
4718 | static inline int high2lowgid(int gid) | |
4719 | { | |
4720 | return gid; | |
4721 | } | |
4722 | static inline int low2highuid(int uid) | |
4723 | { | |
4724 | return uid; | |
4725 | } | |
4726 | static inline int low2highgid(int gid) | |
4727 | { | |
4728 | return gid; | |
4729 | } | |
4730 | static inline int tswapid(int id) | |
4731 | { | |
4732 | return tswap32(id); | |
4733 | } | |
67867308 | 4734 | #endif /* USE_UID16 */ |
1b6b029e | 4735 | |
31e31b8a FB |
4736 | void syscall_init(void) |
4737 | { | |
2ab83ea7 FB |
4738 | IOCTLEntry *ie; |
4739 | const argtype *arg_type; | |
4740 | int size; | |
b92c47c1 | 4741 | int i; |
2ab83ea7 | 4742 | |
001faf32 | 4743 | #define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); |
5fafdf24 | 4744 | #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); |
31e31b8a FB |
4745 | #include "syscall_types.h" |
4746 | #undef STRUCT | |
4747 | #undef STRUCT_SPECIAL | |
2ab83ea7 | 4748 | |
dd6e957a PM |
4749 | /* Build target_to_host_errno_table[] table from |
4750 | * host_to_target_errno_table[]. */ | |
4751 | for (i = 0; i < ERRNO_TABLE_SIZE; i++) { | |
4752 | target_to_host_errno_table[host_to_target_errno_table[i]] = i; | |
4753 | } | |
4754 | ||
2ab83ea7 FB |
4755 | /* we patch the ioctl size if necessary. We rely on the fact that |
4756 | no ioctl has all the bits at '1' in the size field */ | |
4757 | ie = ioctl_entries; | |
4758 | while (ie->target_cmd != 0) { | |
4759 | if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) == | |
4760 | TARGET_IOC_SIZEMASK) { | |
4761 | arg_type = ie->arg_type; | |
4762 | if (arg_type[0] != TYPE_PTR) { | |
5fafdf24 | 4763 | fprintf(stderr, "cannot patch size for ioctl 0x%x\n", |
2ab83ea7 FB |
4764 | ie->target_cmd); |
4765 | exit(1); | |
4766 | } | |
4767 | arg_type++; | |
4768 | size = thunk_type_size(arg_type, 0); | |
5fafdf24 | 4769 | ie->target_cmd = (ie->target_cmd & |
2ab83ea7 FB |
4770 | ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | |
4771 | (size << TARGET_IOC_SIZESHIFT); | |
4772 | } | |
b92c47c1 | 4773 | |
2ab83ea7 | 4774 | /* automatic consistency check if same arch */ |
872ea0c0 AZ |
4775 | #if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \ |
4776 | (defined(__x86_64__) && defined(TARGET_X86_64)) | |
4777 | if (unlikely(ie->target_cmd != ie->host_cmd)) { | |
4778 | fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n", | |
4779 | ie->name, ie->target_cmd, ie->host_cmd); | |
2ab83ea7 FB |
4780 | } |
4781 | #endif | |
4782 | ie++; | |
4783 | } | |
31e31b8a | 4784 | } |
c573ff67 | 4785 | |
992f48a0 | 4786 | #if TARGET_ABI_BITS == 32 |
ce4defa0 PB |
4787 | static inline uint64_t target_offset64(uint32_t word0, uint32_t word1) |
4788 | { | |
af325d36 | 4789 | #ifdef TARGET_WORDS_BIGENDIAN |
ce4defa0 PB |
4790 | return ((uint64_t)word0 << 32) | word1; |
4791 | #else | |
4792 | return ((uint64_t)word1 << 32) | word0; | |
4793 | #endif | |
4794 | } | |
992f48a0 | 4795 | #else /* TARGET_ABI_BITS == 32 */ |
32407103 JM |
4796 | static inline uint64_t target_offset64(uint64_t word0, uint64_t word1) |
4797 | { | |
4798 | return word0; | |
4799 | } | |
992f48a0 | 4800 | #endif /* TARGET_ABI_BITS != 32 */ |
ce4defa0 PB |
4801 | |
4802 | #ifdef TARGET_NR_truncate64 | |
992f48a0 BS |
4803 | static inline abi_long target_truncate64(void *cpu_env, const char *arg1, |
4804 | abi_long arg2, | |
4805 | abi_long arg3, | |
4806 | abi_long arg4) | |
ce4defa0 | 4807 | { |
48e515d4 | 4808 | if (regpairs_aligned(cpu_env)) { |
ce4defa0 PB |
4809 | arg2 = arg3; |
4810 | arg3 = arg4; | |
48e515d4 | 4811 | } |
ce4defa0 PB |
4812 | return get_errno(truncate64(arg1, target_offset64(arg2, arg3))); |
4813 | } | |
4814 | #endif | |
4815 | ||
4816 | #ifdef TARGET_NR_ftruncate64 | |
992f48a0 BS |
4817 | static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1, |
4818 | abi_long arg2, | |
4819 | abi_long arg3, | |
4820 | abi_long arg4) | |
ce4defa0 | 4821 | { |
48e515d4 | 4822 | if (regpairs_aligned(cpu_env)) { |
ce4defa0 PB |
4823 | arg2 = arg3; |
4824 | arg3 = arg4; | |
48e515d4 | 4825 | } |
ce4defa0 PB |
4826 | return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3))); |
4827 | } | |
4828 | #endif | |
4829 | ||
579a97f7 FB |
4830 | static inline abi_long target_to_host_timespec(struct timespec *host_ts, |
4831 | abi_ulong target_addr) | |
53a5960a PB |
4832 | { |
4833 | struct target_timespec *target_ts; | |
4834 | ||
579a97f7 FB |
4835 | if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) |
4836 | return -TARGET_EFAULT; | |
cbb21eed MB |
4837 | host_ts->tv_sec = tswapal(target_ts->tv_sec); |
4838 | host_ts->tv_nsec = tswapal(target_ts->tv_nsec); | |
53a5960a | 4839 | unlock_user_struct(target_ts, target_addr, 0); |
b255bfa8 | 4840 | return 0; |
53a5960a PB |
4841 | } |
4842 | ||
579a97f7 FB |
4843 | static inline abi_long host_to_target_timespec(abi_ulong target_addr, |
4844 | struct timespec *host_ts) | |
53a5960a PB |
4845 | { |
4846 | struct target_timespec *target_ts; | |
4847 | ||
579a97f7 FB |
4848 | if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) |
4849 | return -TARGET_EFAULT; | |
cbb21eed MB |
4850 | target_ts->tv_sec = tswapal(host_ts->tv_sec); |
4851 | target_ts->tv_nsec = tswapal(host_ts->tv_nsec); | |
53a5960a | 4852 | unlock_user_struct(target_ts, target_addr, 1); |
b255bfa8 | 4853 | return 0; |
53a5960a PB |
4854 | } |
4855 | ||
9d33b76b | 4856 | #if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat) |
6a24a778 AZ |
4857 | static inline abi_long host_to_target_stat64(void *cpu_env, |
4858 | abi_ulong target_addr, | |
4859 | struct stat *host_st) | |
4860 | { | |
4861 | #ifdef TARGET_ARM | |
4862 | if (((CPUARMState *)cpu_env)->eabi) { | |
4863 | struct target_eabi_stat64 *target_st; | |
4864 | ||
4865 | if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) | |
4866 | return -TARGET_EFAULT; | |
4867 | memset(target_st, 0, sizeof(struct target_eabi_stat64)); | |
4868 | __put_user(host_st->st_dev, &target_st->st_dev); | |
4869 | __put_user(host_st->st_ino, &target_st->st_ino); | |
4870 | #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO | |
4871 | __put_user(host_st->st_ino, &target_st->__st_ino); | |
4872 | #endif | |
4873 | __put_user(host_st->st_mode, &target_st->st_mode); | |
4874 | __put_user(host_st->st_nlink, &target_st->st_nlink); | |
4875 | __put_user(host_st->st_uid, &target_st->st_uid); | |
4876 | __put_user(host_st->st_gid, &target_st->st_gid); | |
4877 | __put_user(host_st->st_rdev, &target_st->st_rdev); | |
4878 | __put_user(host_st->st_size, &target_st->st_size); | |
4879 | __put_user(host_st->st_blksize, &target_st->st_blksize); | |
4880 | __put_user(host_st->st_blocks, &target_st->st_blocks); | |
4881 | __put_user(host_st->st_atime, &target_st->target_st_atime); | |
4882 | __put_user(host_st->st_mtime, &target_st->target_st_mtime); | |
4883 | __put_user(host_st->st_ctime, &target_st->target_st_ctime); | |
4884 | unlock_user_struct(target_st, target_addr, 1); | |
4885 | } else | |
4886 | #endif | |
4887 | { | |
ed18c5ce | 4888 | #if TARGET_ABI_BITS == 64 && !defined(TARGET_ALPHA) |
9d33b76b AJ |
4889 | struct target_stat *target_st; |
4890 | #else | |
6a24a778 | 4891 | struct target_stat64 *target_st; |
9d33b76b | 4892 | #endif |
6a24a778 AZ |
4893 | |
4894 | if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) | |
4895 | return -TARGET_EFAULT; | |
9d33b76b | 4896 | memset(target_st, 0, sizeof(*target_st)); |
6a24a778 AZ |
4897 | __put_user(host_st->st_dev, &target_st->st_dev); |
4898 | __put_user(host_st->st_ino, &target_st->st_ino); | |
4899 | #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO | |
4900 | __put_user(host_st->st_ino, &target_st->__st_ino); | |
4901 | #endif | |
4902 | __put_user(host_st->st_mode, &target_st->st_mode); | |
4903 | __put_user(host_st->st_nlink, &target_st->st_nlink); | |
4904 | __put_user(host_st->st_uid, &target_st->st_uid); | |
4905 | __put_user(host_st->st_gid, &target_st->st_gid); | |
4906 | __put_user(host_st->st_rdev, &target_st->st_rdev); | |
4907 | /* XXX: better use of kernel struct */ | |
4908 | __put_user(host_st->st_size, &target_st->st_size); | |
4909 | __put_user(host_st->st_blksize, &target_st->st_blksize); | |
4910 | __put_user(host_st->st_blocks, &target_st->st_blocks); | |
4911 | __put_user(host_st->st_atime, &target_st->target_st_atime); | |
4912 | __put_user(host_st->st_mtime, &target_st->target_st_mtime); | |
4913 | __put_user(host_st->st_ctime, &target_st->target_st_ctime); | |
4914 | unlock_user_struct(target_st, target_addr, 1); | |
4915 | } | |
4916 | ||
4917 | return 0; | |
4918 | } | |
4919 | #endif | |
4920 | ||
2f7bb878 | 4921 | #if defined(CONFIG_USE_NPTL) |
bd0c5661 PB |
4922 | /* ??? Using host futex calls even when target atomic operations |
4923 | are not really atomic probably breaks things. However implementing | |
4924 | futexes locally would make futexes shared between multiple processes | |
4925 | tricky. However they're probably useless because guest atomic | |
4926 | operations won't work either. */ | |
8fcd3692 BS |
4927 | static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout, |
4928 | target_ulong uaddr2, int val3) | |
bd0c5661 PB |
4929 | { |
4930 | struct timespec ts, *pts; | |
a16aae0c | 4931 | int base_op; |
bd0c5661 PB |
4932 | |
4933 | /* ??? We assume FUTEX_* constants are the same on both host | |
4934 | and target. */ | |
a29ccd63 | 4935 | #ifdef FUTEX_CMD_MASK |
a16aae0c | 4936 | base_op = op & FUTEX_CMD_MASK; |
a29ccd63 | 4937 | #else |
a16aae0c | 4938 | base_op = op; |
a29ccd63 | 4939 | #endif |
a16aae0c | 4940 | switch (base_op) { |
bd0c5661 | 4941 | case FUTEX_WAIT: |
cce246e0 | 4942 | case FUTEX_WAIT_BITSET: |
bd0c5661 PB |
4943 | if (timeout) { |
4944 | pts = &ts; | |
4945 | target_to_host_timespec(pts, timeout); | |
4946 | } else { | |
4947 | pts = NULL; | |
4948 | } | |
a29ccd63 | 4949 | return get_errno(sys_futex(g2h(uaddr), op, tswap32(val), |
cce246e0 | 4950 | pts, NULL, val3)); |
bd0c5661 | 4951 | case FUTEX_WAKE: |
a29ccd63 | 4952 | return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0)); |
bd0c5661 | 4953 | case FUTEX_FD: |
a29ccd63 | 4954 | return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0)); |
bd0c5661 | 4955 | case FUTEX_REQUEUE: |
bd0c5661 | 4956 | case FUTEX_CMP_REQUEUE: |
a16aae0c NF |
4957 | case FUTEX_WAKE_OP: |
4958 | /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the | |
4959 | TIMEOUT parameter is interpreted as a uint32_t by the kernel. | |
4960 | But the prototype takes a `struct timespec *'; insert casts | |
4961 | to satisfy the compiler. We do not need to tswap TIMEOUT | |
4962 | since it's not compared to guest memory. */ | |
4963 | pts = (struct timespec *)(uintptr_t) timeout; | |
4964 | return get_errno(sys_futex(g2h(uaddr), op, val, pts, | |
4965 | g2h(uaddr2), | |
4966 | (base_op == FUTEX_CMP_REQUEUE | |
4967 | ? tswap32(val3) | |
4968 | : val3))); | |
bd0c5661 PB |
4969 | default: |
4970 | return -TARGET_ENOSYS; | |
4971 | } | |
4972 | } | |
4973 | #endif | |
4974 | ||
1d9d8b55 PB |
4975 | /* Map host to target signal numbers for the wait family of syscalls. |
4976 | Assume all other status bits are the same. */ | |
a05c6409 | 4977 | int host_to_target_waitstatus(int status) |
1d9d8b55 PB |
4978 | { |
4979 | if (WIFSIGNALED(status)) { | |
4980 | return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f); | |
4981 | } | |
4982 | if (WIFSTOPPED(status)) { | |
4983 | return (host_to_target_signal(WSTOPSIG(status)) << 8) | |
4984 | | (status & 0xff); | |
4985 | } | |
4986 | return status; | |
4987 | } | |
4988 | ||
a745ec6d PB |
4989 | int get_osversion(void) |
4990 | { | |
4991 | static int osversion; | |
4992 | struct new_utsname buf; | |
4993 | const char *s; | |
4994 | int i, n, tmp; | |
4995 | if (osversion) | |
4996 | return osversion; | |
4997 | if (qemu_uname_release && *qemu_uname_release) { | |
4998 | s = qemu_uname_release; | |
4999 | } else { | |
5000 | if (sys_uname(&buf)) | |
5001 | return 0; | |
5002 | s = buf.release; | |
5003 | } | |
5004 | tmp = 0; | |
5005 | for (i = 0; i < 3; i++) { | |
5006 | n = 0; | |
5007 | while (*s >= '0' && *s <= '9') { | |
5008 | n *= 10; | |
5009 | n += *s - '0'; | |
5010 | s++; | |
5011 | } | |
5012 | tmp = (tmp << 8) + n; | |
5013 | if (*s == '.') | |
5014 | s++; | |
5015 | } | |
5016 | osversion = tmp; | |
5017 | return osversion; | |
5018 | } | |
5019 | ||
36c08d49 AG |
5020 | |
5021 | static int open_self_maps(void *cpu_env, int fd) | |
5022 | { | |
1a49ef2a | 5023 | #if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32) |
9349b4f9 | 5024 | TaskState *ts = ((CPUArchState *)cpu_env)->opaque; |
1a49ef2a AG |
5025 | #endif |
5026 | FILE *fp; | |
5027 | char *line = NULL; | |
5028 | size_t len = 0; | |
5029 | ssize_t read; | |
5030 | ||
5031 | fp = fopen("/proc/self/maps", "r"); | |
5032 | if (fp == NULL) { | |
5033 | return -EACCES; | |
5034 | } | |
36c08d49 | 5035 | |
1a49ef2a AG |
5036 | while ((read = getline(&line, &len, fp)) != -1) { |
5037 | int fields, dev_maj, dev_min, inode; | |
5038 | uint64_t min, max, offset; | |
5039 | char flag_r, flag_w, flag_x, flag_p; | |
5040 | char path[512] = ""; | |
5041 | fields = sscanf(line, "%"PRIx64"-%"PRIx64" %c%c%c%c %"PRIx64" %x:%x %d" | |
5042 | " %512s", &min, &max, &flag_r, &flag_w, &flag_x, | |
5043 | &flag_p, &offset, &dev_maj, &dev_min, &inode, path); | |
5044 | ||
5045 | if ((fields < 10) || (fields > 11)) { | |
5046 | continue; | |
5047 | } | |
5048 | if (!strncmp(path, "[stack]", 7)) { | |
5049 | continue; | |
5050 | } | |
5051 | if (h2g_valid(min) && h2g_valid(max)) { | |
5052 | dprintf(fd, TARGET_ABI_FMT_lx "-" TARGET_ABI_FMT_lx | |
5053 | " %c%c%c%c %08" PRIx64 " %02x:%02x %d%s%s\n", | |
5054 | h2g(min), h2g(max), flag_r, flag_w, | |
5055 | flag_x, flag_p, offset, dev_maj, dev_min, inode, | |
5056 | path[0] ? " " : "", path); | |
5057 | } | |
5058 | } | |
5059 | ||
5060 | free(line); | |
5061 | fclose(fp); | |
5062 | ||
5063 | #if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32) | |
36c08d49 AG |
5064 | dprintf(fd, "%08llx-%08llx rw-p %08llx 00:00 0 [stack]\n", |
5065 | (unsigned long long)ts->info->stack_limit, | |
1bdd7c7e AG |
5066 | (unsigned long long)(ts->info->start_stack + |
5067 | (TARGET_PAGE_SIZE - 1)) & TARGET_PAGE_MASK, | |
1a49ef2a AG |
5068 | (unsigned long long)0); |
5069 | #endif | |
36c08d49 AG |
5070 | |
5071 | return 0; | |
5072 | } | |
5073 | ||
480b8e7d AG |
5074 | static int open_self_stat(void *cpu_env, int fd) |
5075 | { | |
9349b4f9 | 5076 | TaskState *ts = ((CPUArchState *)cpu_env)->opaque; |
480b8e7d AG |
5077 | abi_ulong start_stack = ts->info->start_stack; |
5078 | int i; | |
5079 | ||
5080 | for (i = 0; i < 44; i++) { | |
5081 | char buf[128]; | |
5082 | int len; | |
5083 | uint64_t val = 0; | |
5084 | ||
e0e65bee FE |
5085 | if (i == 0) { |
5086 | /* pid */ | |
5087 | val = getpid(); | |
5088 | snprintf(buf, sizeof(buf), "%"PRId64 " ", val); | |
5089 | } else if (i == 1) { | |
5090 | /* app name */ | |
5091 | snprintf(buf, sizeof(buf), "(%s) ", ts->bprm->argv[0]); | |
5092 | } else if (i == 27) { | |
5093 | /* stack bottom */ | |
5094 | val = start_stack; | |
5095 | snprintf(buf, sizeof(buf), "%"PRId64 " ", val); | |
5096 | } else { | |
5097 | /* for the rest, there is MasterCard */ | |
5098 | snprintf(buf, sizeof(buf), "0%c", i == 43 ? '\n' : ' '); | |
480b8e7d | 5099 | } |
e0e65bee | 5100 | |
480b8e7d AG |
5101 | len = strlen(buf); |
5102 | if (write(fd, buf, len) != len) { | |
5103 | return -1; | |
5104 | } | |
5105 | } | |
5106 | ||
5107 | return 0; | |
5108 | } | |
5109 | ||
257450ee AG |
5110 | static int open_self_auxv(void *cpu_env, int fd) |
5111 | { | |
9349b4f9 | 5112 | TaskState *ts = ((CPUArchState *)cpu_env)->opaque; |
257450ee AG |
5113 | abi_ulong auxv = ts->info->saved_auxv; |
5114 | abi_ulong len = ts->info->auxv_len; | |
5115 | char *ptr; | |
5116 | ||
5117 | /* | |
5118 | * Auxiliary vector is stored in target process stack. | |
5119 | * read in whole auxv vector and copy it to file | |
5120 | */ | |
5121 | ptr = lock_user(VERIFY_READ, auxv, len, 0); | |
5122 | if (ptr != NULL) { | |
5123 | while (len > 0) { | |
5124 | ssize_t r; | |
5125 | r = write(fd, ptr, len); | |
5126 | if (r <= 0) { | |
5127 | break; | |
5128 | } | |
5129 | len -= r; | |
5130 | ptr += r; | |
5131 | } | |
5132 | lseek(fd, 0, SEEK_SET); | |
5133 | unlock_user(ptr, auxv, len); | |
5134 | } | |
5135 | ||
5136 | return 0; | |
5137 | } | |
5138 | ||
3be14d05 AG |
5139 | static int do_open(void *cpu_env, const char *pathname, int flags, mode_t mode) |
5140 | { | |
5141 | struct fake_open { | |
5142 | const char *filename; | |
5143 | int (*fill)(void *cpu_env, int fd); | |
5144 | }; | |
5145 | const struct fake_open *fake_open; | |
5146 | static const struct fake_open fakes[] = { | |
36c08d49 | 5147 | { "/proc/self/maps", open_self_maps }, |
480b8e7d | 5148 | { "/proc/self/stat", open_self_stat }, |
257450ee | 5149 | { "/proc/self/auxv", open_self_auxv }, |
3be14d05 AG |
5150 | { NULL, NULL } |
5151 | }; | |
5152 | ||
5153 | for (fake_open = fakes; fake_open->filename; fake_open++) { | |
5154 | if (!strncmp(pathname, fake_open->filename, | |
5155 | strlen(fake_open->filename))) { | |
5156 | break; | |
5157 | } | |
5158 | } | |
5159 | ||
5160 | if (fake_open->filename) { | |
5161 | const char *tmpdir; | |
5162 | char filename[PATH_MAX]; | |
5163 | int fd, r; | |
5164 | ||
5165 | /* create temporary file to map stat to */ | |
5166 | tmpdir = getenv("TMPDIR"); | |
5167 | if (!tmpdir) | |
5168 | tmpdir = "/tmp"; | |
5169 | snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir); | |
5170 | fd = mkstemp(filename); | |
5171 | if (fd < 0) { | |
5172 | return fd; | |
5173 | } | |
5174 | unlink(filename); | |
5175 | ||
5176 | if ((r = fake_open->fill(cpu_env, fd))) { | |
5177 | close(fd); | |
5178 | return r; | |
5179 | } | |
5180 | lseek(fd, 0, SEEK_SET); | |
5181 | ||
5182 | return fd; | |
5183 | } | |
5184 | ||
5185 | return get_errno(open(path(pathname), flags, mode)); | |
5186 | } | |
5187 | ||
0da46a6e TS |
5188 | /* do_syscall() should always have a single exit point at the end so |
5189 | that actions, such as logging of syscall results, can be performed. | |
5190 | All errnos that do_syscall() returns must be -TARGET_<errcode>. */ | |
992f48a0 BS |
5191 | abi_long do_syscall(void *cpu_env, int num, abi_long arg1, |
5192 | abi_long arg2, abi_long arg3, abi_long arg4, | |
5945cfcb PM |
5193 | abi_long arg5, abi_long arg6, abi_long arg7, |
5194 | abi_long arg8) | |
31e31b8a | 5195 | { |
992f48a0 | 5196 | abi_long ret; |
31e31b8a | 5197 | struct stat st; |
56c8f68f | 5198 | struct statfs stfs; |
53a5960a | 5199 | void *p; |
3b46e624 | 5200 | |
72f03900 | 5201 | #ifdef DEBUG |
c573ff67 | 5202 | gemu_log("syscall %d", num); |
72f03900 | 5203 | #endif |
b92c47c1 TS |
5204 | if(do_strace) |
5205 | print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6); | |
5206 | ||
31e31b8a FB |
5207 | switch(num) { |
5208 | case TARGET_NR_exit: | |
2f7bb878 | 5209 | #ifdef CONFIG_USE_NPTL |
c2764719 PB |
5210 | /* In old applications this may be used to implement _exit(2). |
5211 | However in threaded applictions it is used for thread termination, | |
5212 | and _exit_group is used for application termination. | |
5213 | Do thread termination if we have more then one thread. */ | |
5214 | /* FIXME: This probably breaks if a signal arrives. We should probably | |
5215 | be disabling signals. */ | |
5216 | if (first_cpu->next_cpu) { | |
1e9fa730 | 5217 | TaskState *ts; |
9349b4f9 AF |
5218 | CPUArchState **lastp; |
5219 | CPUArchState *p; | |
c2764719 PB |
5220 | |
5221 | cpu_list_lock(); | |
5222 | lastp = &first_cpu; | |
5223 | p = first_cpu; | |
9349b4f9 | 5224 | while (p && p != (CPUArchState *)cpu_env) { |
c2764719 PB |
5225 | lastp = &p->next_cpu; |
5226 | p = p->next_cpu; | |
5227 | } | |
5228 | /* If we didn't find the CPU for this thread then something is | |
5229 | horribly wrong. */ | |
5230 | if (!p) | |
5231 | abort(); | |
5232 | /* Remove the CPU from the list. */ | |
5233 | *lastp = p->next_cpu; | |
5234 | cpu_list_unlock(); | |
9349b4f9 | 5235 | ts = ((CPUArchState *)cpu_env)->opaque; |
c2764719 PB |
5236 | if (ts->child_tidptr) { |
5237 | put_user_u32(0, ts->child_tidptr); | |
5238 | sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX, | |
5239 | NULL, NULL, 0); | |
5240 | } | |
48e15fc2 | 5241 | thread_env = NULL; |
5c099537 | 5242 | object_unref(OBJECT(ENV_GET_CPU(cpu_env))); |
7267c094 | 5243 | g_free(ts); |
c2764719 PB |
5244 | pthread_exit(NULL); |
5245 | } | |
5246 | #endif | |
9788c9ca | 5247 | #ifdef TARGET_GPROF |
7d13299d FB |
5248 | _mcleanup(); |
5249 | #endif | |
e9009676 | 5250 | gdb_exit(cpu_env, arg1); |
c2764719 | 5251 | _exit(arg1); |
31e31b8a FB |
5252 | ret = 0; /* avoid warning */ |
5253 | break; | |
5254 | case TARGET_NR_read: | |
38d840e6 AJ |
5255 | if (arg3 == 0) |
5256 | ret = 0; | |
5257 | else { | |
5258 | if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) | |
5259 | goto efault; | |
5260 | ret = get_errno(read(arg1, p, arg3)); | |
5261 | unlock_user(p, arg2, ret); | |
5262 | } | |
31e31b8a FB |
5263 | break; |
5264 | case TARGET_NR_write: | |
579a97f7 FB |
5265 | if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
5266 | goto efault; | |
53a5960a PB |
5267 | ret = get_errno(write(arg1, p, arg3)); |
5268 | unlock_user(p, arg2, 0); | |
31e31b8a FB |
5269 | break; |
5270 | case TARGET_NR_open: | |
2f619698 FB |
5271 | if (!(p = lock_user_string(arg1))) |
5272 | goto efault; | |
3be14d05 AG |
5273 | ret = get_errno(do_open(cpu_env, p, |
5274 | target_to_host_bitmask(arg2, fcntl_flags_tbl), | |
5275 | arg3)); | |
53a5960a | 5276 | unlock_user(p, arg1, 0); |
31e31b8a | 5277 | break; |
82424832 TS |
5278 | #if defined(TARGET_NR_openat) && defined(__NR_openat) |
5279 | case TARGET_NR_openat: | |
579a97f7 FB |
5280 | if (!(p = lock_user_string(arg2))) |
5281 | goto efault; | |
5282 | ret = get_errno(sys_openat(arg1, | |
5283 | path(p), | |
5284 | target_to_host_bitmask(arg3, fcntl_flags_tbl), | |
5285 | arg4)); | |
5286 | unlock_user(p, arg2, 0); | |
82424832 TS |
5287 | break; |
5288 | #endif | |
31e31b8a FB |
5289 | case TARGET_NR_close: |
5290 | ret = get_errno(close(arg1)); | |
5291 | break; | |
5292 | case TARGET_NR_brk: | |
53a5960a | 5293 | ret = do_brk(arg1); |
31e31b8a FB |
5294 | break; |
5295 | case TARGET_NR_fork: | |
d865bab5 | 5296 | ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0)); |
31e31b8a | 5297 | break; |
e5febef5 | 5298 | #ifdef TARGET_NR_waitpid |
31e31b8a FB |
5299 | case TARGET_NR_waitpid: |
5300 | { | |
53a5960a PB |
5301 | int status; |
5302 | ret = get_errno(waitpid(arg1, &status, arg3)); | |
5379557b | 5303 | if (!is_error(ret) && arg2 && ret |
1d9d8b55 | 5304 | && put_user_s32(host_to_target_waitstatus(status), arg2)) |
2f619698 | 5305 | goto efault; |
31e31b8a FB |
5306 | } |
5307 | break; | |
e5febef5 | 5308 | #endif |
f0cbb613 PB |
5309 | #ifdef TARGET_NR_waitid |
5310 | case TARGET_NR_waitid: | |
5311 | { | |
5312 | siginfo_t info; | |
5313 | info.si_pid = 0; | |
5314 | ret = get_errno(waitid(arg1, arg2, &info, arg4)); | |
5315 | if (!is_error(ret) && arg3 && info.si_pid != 0) { | |
c227f099 | 5316 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0))) |
f0cbb613 PB |
5317 | goto efault; |
5318 | host_to_target_siginfo(p, &info); | |
c227f099 | 5319 | unlock_user(p, arg3, sizeof(target_siginfo_t)); |
f0cbb613 PB |
5320 | } |
5321 | } | |
5322 | break; | |
5323 | #endif | |
7a3148a9 | 5324 | #ifdef TARGET_NR_creat /* not on alpha */ |
31e31b8a | 5325 | case TARGET_NR_creat: |
579a97f7 FB |
5326 | if (!(p = lock_user_string(arg1))) |
5327 | goto efault; | |
53a5960a PB |
5328 | ret = get_errno(creat(p, arg2)); |
5329 | unlock_user(p, arg1, 0); | |
31e31b8a | 5330 | break; |
7a3148a9 | 5331 | #endif |
31e31b8a | 5332 | case TARGET_NR_link: |
53a5960a PB |
5333 | { |
5334 | void * p2; | |
5335 | p = lock_user_string(arg1); | |
5336 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
5337 | if (!p || !p2) |
5338 | ret = -TARGET_EFAULT; | |
5339 | else | |
5340 | ret = get_errno(link(p, p2)); | |
53a5960a PB |
5341 | unlock_user(p2, arg2, 0); |
5342 | unlock_user(p, arg1, 0); | |
5343 | } | |
31e31b8a | 5344 | break; |
64f0ce4c TS |
5345 | #if defined(TARGET_NR_linkat) && defined(__NR_linkat) |
5346 | case TARGET_NR_linkat: | |
64f0ce4c TS |
5347 | { |
5348 | void * p2 = NULL; | |
579a97f7 FB |
5349 | if (!arg2 || !arg4) |
5350 | goto efault; | |
64f0ce4c TS |
5351 | p = lock_user_string(arg2); |
5352 | p2 = lock_user_string(arg4); | |
579a97f7 | 5353 | if (!p || !p2) |
0da46a6e | 5354 | ret = -TARGET_EFAULT; |
64f0ce4c TS |
5355 | else |
5356 | ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5)); | |
579a97f7 FB |
5357 | unlock_user(p, arg2, 0); |
5358 | unlock_user(p2, arg4, 0); | |
64f0ce4c TS |
5359 | } |
5360 | break; | |
5361 | #endif | |
31e31b8a | 5362 | case TARGET_NR_unlink: |
579a97f7 FB |
5363 | if (!(p = lock_user_string(arg1))) |
5364 | goto efault; | |
53a5960a PB |
5365 | ret = get_errno(unlink(p)); |
5366 | unlock_user(p, arg1, 0); | |
31e31b8a | 5367 | break; |
8170f56b TS |
5368 | #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat) |
5369 | case TARGET_NR_unlinkat: | |
579a97f7 FB |
5370 | if (!(p = lock_user_string(arg2))) |
5371 | goto efault; | |
5372 | ret = get_errno(sys_unlinkat(arg1, p, arg3)); | |
5373 | unlock_user(p, arg2, 0); | |
ed494d87 | 5374 | break; |
b7d35e65 | 5375 | #endif |
31e31b8a | 5376 | case TARGET_NR_execve: |
7854b056 FB |
5377 | { |
5378 | char **argp, **envp; | |
f7341ff4 | 5379 | int argc, envc; |
992f48a0 BS |
5380 | abi_ulong gp; |
5381 | abi_ulong guest_argp; | |
5382 | abi_ulong guest_envp; | |
5383 | abi_ulong addr; | |
7854b056 | 5384 | char **q; |
a6f79cc9 | 5385 | int total_size = 0; |
7854b056 | 5386 | |
f7341ff4 | 5387 | argc = 0; |
53a5960a | 5388 | guest_argp = arg2; |
da94d263 | 5389 | for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) { |
03aa1976 | 5390 | if (get_user_ual(addr, gp)) |
2f619698 | 5391 | goto efault; |
03aa1976 | 5392 | if (!addr) |
2f619698 | 5393 | break; |
7854b056 | 5394 | argc++; |
2f619698 | 5395 | } |
f7341ff4 | 5396 | envc = 0; |
53a5960a | 5397 | guest_envp = arg3; |
da94d263 | 5398 | for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) { |
03aa1976 | 5399 | if (get_user_ual(addr, gp)) |
2f619698 | 5400 | goto efault; |
03aa1976 | 5401 | if (!addr) |
2f619698 | 5402 | break; |
7854b056 | 5403 | envc++; |
2f619698 | 5404 | } |
7854b056 | 5405 | |
f7341ff4 FB |
5406 | argp = alloca((argc + 1) * sizeof(void *)); |
5407 | envp = alloca((envc + 1) * sizeof(void *)); | |
7854b056 | 5408 | |
da94d263 | 5409 | for (gp = guest_argp, q = argp; gp; |
992f48a0 | 5410 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
5411 | if (get_user_ual(addr, gp)) |
5412 | goto execve_efault; | |
53a5960a PB |
5413 | if (!addr) |
5414 | break; | |
2f619698 FB |
5415 | if (!(*q = lock_user_string(addr))) |
5416 | goto execve_efault; | |
a6f79cc9 | 5417 | total_size += strlen(*q) + 1; |
53a5960a | 5418 | } |
f7341ff4 FB |
5419 | *q = NULL; |
5420 | ||
da94d263 | 5421 | for (gp = guest_envp, q = envp; gp; |
992f48a0 | 5422 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
5423 | if (get_user_ual(addr, gp)) |
5424 | goto execve_efault; | |
53a5960a PB |
5425 | if (!addr) |
5426 | break; | |
2f619698 FB |
5427 | if (!(*q = lock_user_string(addr))) |
5428 | goto execve_efault; | |
a6f79cc9 | 5429 | total_size += strlen(*q) + 1; |
53a5960a | 5430 | } |
f7341ff4 | 5431 | *q = NULL; |
7854b056 | 5432 | |
a6f79cc9 UH |
5433 | /* This case will not be caught by the host's execve() if its |
5434 | page size is bigger than the target's. */ | |
5435 | if (total_size > MAX_ARG_PAGES * TARGET_PAGE_SIZE) { | |
5436 | ret = -TARGET_E2BIG; | |
5437 | goto execve_end; | |
5438 | } | |
2f619698 FB |
5439 | if (!(p = lock_user_string(arg1))) |
5440 | goto execve_efault; | |
53a5960a PB |
5441 | ret = get_errno(execve(p, argp, envp)); |
5442 | unlock_user(p, arg1, 0); | |
5443 | ||
2f619698 FB |
5444 | goto execve_end; |
5445 | ||
5446 | execve_efault: | |
5447 | ret = -TARGET_EFAULT; | |
5448 | ||
5449 | execve_end: | |
53a5960a | 5450 | for (gp = guest_argp, q = argp; *q; |
992f48a0 | 5451 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
5452 | if (get_user_ual(addr, gp) |
5453 | || !addr) | |
5454 | break; | |
53a5960a PB |
5455 | unlock_user(*q, addr, 0); |
5456 | } | |
5457 | for (gp = guest_envp, q = envp; *q; | |
992f48a0 | 5458 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
5459 | if (get_user_ual(addr, gp) |
5460 | || !addr) | |
5461 | break; | |
53a5960a PB |
5462 | unlock_user(*q, addr, 0); |
5463 | } | |
7854b056 | 5464 | } |
31e31b8a FB |
5465 | break; |
5466 | case TARGET_NR_chdir: | |
579a97f7 FB |
5467 | if (!(p = lock_user_string(arg1))) |
5468 | goto efault; | |
53a5960a PB |
5469 | ret = get_errno(chdir(p)); |
5470 | unlock_user(p, arg1, 0); | |
31e31b8a | 5471 | break; |
a315a145 | 5472 | #ifdef TARGET_NR_time |
31e31b8a FB |
5473 | case TARGET_NR_time: |
5474 | { | |
53a5960a PB |
5475 | time_t host_time; |
5476 | ret = get_errno(time(&host_time)); | |
2f619698 FB |
5477 | if (!is_error(ret) |
5478 | && arg1 | |
5479 | && put_user_sal(host_time, arg1)) | |
5480 | goto efault; | |
31e31b8a FB |
5481 | } |
5482 | break; | |
a315a145 | 5483 | #endif |
31e31b8a | 5484 | case TARGET_NR_mknod: |
579a97f7 FB |
5485 | if (!(p = lock_user_string(arg1))) |
5486 | goto efault; | |
53a5960a PB |
5487 | ret = get_errno(mknod(p, arg2, arg3)); |
5488 | unlock_user(p, arg1, 0); | |
31e31b8a | 5489 | break; |
75ac37a0 TS |
5490 | #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat) |
5491 | case TARGET_NR_mknodat: | |
579a97f7 FB |
5492 | if (!(p = lock_user_string(arg2))) |
5493 | goto efault; | |
5494 | ret = get_errno(sys_mknodat(arg1, p, arg3, arg4)); | |
5495 | unlock_user(p, arg2, 0); | |
75ac37a0 TS |
5496 | break; |
5497 | #endif | |
31e31b8a | 5498 | case TARGET_NR_chmod: |
579a97f7 FB |
5499 | if (!(p = lock_user_string(arg1))) |
5500 | goto efault; | |
53a5960a PB |
5501 | ret = get_errno(chmod(p, arg2)); |
5502 | unlock_user(p, arg1, 0); | |
31e31b8a | 5503 | break; |
ebc05488 | 5504 | #ifdef TARGET_NR_break |
31e31b8a FB |
5505 | case TARGET_NR_break: |
5506 | goto unimplemented; | |
ebc05488 FB |
5507 | #endif |
5508 | #ifdef TARGET_NR_oldstat | |
31e31b8a FB |
5509 | case TARGET_NR_oldstat: |
5510 | goto unimplemented; | |
ebc05488 | 5511 | #endif |
31e31b8a FB |
5512 | case TARGET_NR_lseek: |
5513 | ret = get_errno(lseek(arg1, arg2, arg3)); | |
5514 | break; | |
9231733a RH |
5515 | #if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA) |
5516 | /* Alpha specific */ | |
7a3148a9 | 5517 | case TARGET_NR_getxpid: |
9231733a RH |
5518 | ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid(); |
5519 | ret = get_errno(getpid()); | |
5520 | break; | |
7a3148a9 | 5521 | #endif |
9231733a RH |
5522 | #ifdef TARGET_NR_getpid |
5523 | case TARGET_NR_getpid: | |
31e31b8a FB |
5524 | ret = get_errno(getpid()); |
5525 | break; | |
9231733a | 5526 | #endif |
31e31b8a | 5527 | case TARGET_NR_mount: |
80265918 TS |
5528 | { |
5529 | /* need to look at the data field */ | |
5530 | void *p2, *p3; | |
5531 | p = lock_user_string(arg1); | |
5532 | p2 = lock_user_string(arg2); | |
5533 | p3 = lock_user_string(arg3); | |
579a97f7 FB |
5534 | if (!p || !p2 || !p3) |
5535 | ret = -TARGET_EFAULT; | |
dab46405 | 5536 | else { |
579a97f7 FB |
5537 | /* FIXME - arg5 should be locked, but it isn't clear how to |
5538 | * do that since it's not guaranteed to be a NULL-terminated | |
5539 | * string. | |
5540 | */ | |
dab46405 JSM |
5541 | if ( ! arg5 ) |
5542 | ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, NULL)); | |
5543 | else | |
5544 | ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5))); | |
5545 | } | |
579a97f7 FB |
5546 | unlock_user(p, arg1, 0); |
5547 | unlock_user(p2, arg2, 0); | |
5548 | unlock_user(p3, arg3, 0); | |
80265918 TS |
5549 | break; |
5550 | } | |
e5febef5 | 5551 | #ifdef TARGET_NR_umount |
31e31b8a | 5552 | case TARGET_NR_umount: |
579a97f7 FB |
5553 | if (!(p = lock_user_string(arg1))) |
5554 | goto efault; | |
53a5960a PB |
5555 | ret = get_errno(umount(p)); |
5556 | unlock_user(p, arg1, 0); | |
31e31b8a | 5557 | break; |
e5febef5 | 5558 | #endif |
7a3148a9 | 5559 | #ifdef TARGET_NR_stime /* not on alpha */ |
31e31b8a FB |
5560 | case TARGET_NR_stime: |
5561 | { | |
53a5960a | 5562 | time_t host_time; |
2f619698 FB |
5563 | if (get_user_sal(host_time, arg1)) |
5564 | goto efault; | |
53a5960a | 5565 | ret = get_errno(stime(&host_time)); |
31e31b8a FB |
5566 | } |
5567 | break; | |
7a3148a9 | 5568 | #endif |
31e31b8a FB |
5569 | case TARGET_NR_ptrace: |
5570 | goto unimplemented; | |
7a3148a9 | 5571 | #ifdef TARGET_NR_alarm /* not on alpha */ |
31e31b8a FB |
5572 | case TARGET_NR_alarm: |
5573 | ret = alarm(arg1); | |
5574 | break; | |
7a3148a9 | 5575 | #endif |
ebc05488 | 5576 | #ifdef TARGET_NR_oldfstat |
31e31b8a FB |
5577 | case TARGET_NR_oldfstat: |
5578 | goto unimplemented; | |
ebc05488 | 5579 | #endif |
7a3148a9 | 5580 | #ifdef TARGET_NR_pause /* not on alpha */ |
31e31b8a FB |
5581 | case TARGET_NR_pause: |
5582 | ret = get_errno(pause()); | |
5583 | break; | |
7a3148a9 | 5584 | #endif |
e5febef5 | 5585 | #ifdef TARGET_NR_utime |
31e31b8a | 5586 | case TARGET_NR_utime: |
ebc05488 | 5587 | { |
53a5960a PB |
5588 | struct utimbuf tbuf, *host_tbuf; |
5589 | struct target_utimbuf *target_tbuf; | |
5590 | if (arg2) { | |
579a97f7 FB |
5591 | if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1)) |
5592 | goto efault; | |
cbb21eed MB |
5593 | tbuf.actime = tswapal(target_tbuf->actime); |
5594 | tbuf.modtime = tswapal(target_tbuf->modtime); | |
53a5960a PB |
5595 | unlock_user_struct(target_tbuf, arg2, 0); |
5596 | host_tbuf = &tbuf; | |
f72e8ff4 | 5597 | } else { |
53a5960a | 5598 | host_tbuf = NULL; |
f72e8ff4 | 5599 | } |
579a97f7 FB |
5600 | if (!(p = lock_user_string(arg1))) |
5601 | goto efault; | |
53a5960a PB |
5602 | ret = get_errno(utime(p, host_tbuf)); |
5603 | unlock_user(p, arg1, 0); | |
ebc05488 FB |
5604 | } |
5605 | break; | |
e5febef5 | 5606 | #endif |
978a66ff FB |
5607 | case TARGET_NR_utimes: |
5608 | { | |
978a66ff | 5609 | struct timeval *tvp, tv[2]; |
53a5960a | 5610 | if (arg2) { |
788f5ec4 TS |
5611 | if (copy_from_user_timeval(&tv[0], arg2) |
5612 | || copy_from_user_timeval(&tv[1], | |
5613 | arg2 + sizeof(struct target_timeval))) | |
5614 | goto efault; | |
978a66ff FB |
5615 | tvp = tv; |
5616 | } else { | |
5617 | tvp = NULL; | |
5618 | } | |
579a97f7 FB |
5619 | if (!(p = lock_user_string(arg1))) |
5620 | goto efault; | |
53a5960a PB |
5621 | ret = get_errno(utimes(p, tvp)); |
5622 | unlock_user(p, arg1, 0); | |
978a66ff FB |
5623 | } |
5624 | break; | |
ac8a6556 AZ |
5625 | #if defined(TARGET_NR_futimesat) && defined(__NR_futimesat) |
5626 | case TARGET_NR_futimesat: | |
5627 | { | |
5628 | struct timeval *tvp, tv[2]; | |
5629 | if (arg3) { | |
5630 | if (copy_from_user_timeval(&tv[0], arg3) | |
5631 | || copy_from_user_timeval(&tv[1], | |
5632 | arg3 + sizeof(struct target_timeval))) | |
5633 | goto efault; | |
5634 | tvp = tv; | |
5635 | } else { | |
5636 | tvp = NULL; | |
5637 | } | |
5638 | if (!(p = lock_user_string(arg2))) | |
5639 | goto efault; | |
5640 | ret = get_errno(sys_futimesat(arg1, path(p), tvp)); | |
5641 | unlock_user(p, arg2, 0); | |
5642 | } | |
5643 | break; | |
5644 | #endif | |
ebc05488 | 5645 | #ifdef TARGET_NR_stty |
31e31b8a FB |
5646 | case TARGET_NR_stty: |
5647 | goto unimplemented; | |
ebc05488 FB |
5648 | #endif |
5649 | #ifdef TARGET_NR_gtty | |
31e31b8a FB |
5650 | case TARGET_NR_gtty: |
5651 | goto unimplemented; | |
ebc05488 | 5652 | #endif |
31e31b8a | 5653 | case TARGET_NR_access: |
579a97f7 FB |
5654 | if (!(p = lock_user_string(arg1))) |
5655 | goto efault; | |
719f908e | 5656 | ret = get_errno(access(path(p), arg2)); |
53a5960a | 5657 | unlock_user(p, arg1, 0); |
31e31b8a | 5658 | break; |
92a34c10 TS |
5659 | #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat) |
5660 | case TARGET_NR_faccessat: | |
579a97f7 FB |
5661 | if (!(p = lock_user_string(arg2))) |
5662 | goto efault; | |
465c9f06 | 5663 | ret = get_errno(sys_faccessat(arg1, p, arg3)); |
579a97f7 | 5664 | unlock_user(p, arg2, 0); |
92a34c10 TS |
5665 | break; |
5666 | #endif | |
7a3148a9 | 5667 | #ifdef TARGET_NR_nice /* not on alpha */ |
31e31b8a FB |
5668 | case TARGET_NR_nice: |
5669 | ret = get_errno(nice(arg1)); | |
5670 | break; | |
7a3148a9 | 5671 | #endif |
ebc05488 | 5672 | #ifdef TARGET_NR_ftime |
31e31b8a FB |
5673 | case TARGET_NR_ftime: |
5674 | goto unimplemented; | |
ebc05488 | 5675 | #endif |
31e31b8a | 5676 | case TARGET_NR_sync: |
04369ff2 FB |
5677 | sync(); |
5678 | ret = 0; | |
31e31b8a FB |
5679 | break; |
5680 | case TARGET_NR_kill: | |
4cb05961 | 5681 | ret = get_errno(kill(arg1, target_to_host_signal(arg2))); |
31e31b8a FB |
5682 | break; |
5683 | case TARGET_NR_rename: | |
53a5960a PB |
5684 | { |
5685 | void *p2; | |
5686 | p = lock_user_string(arg1); | |
5687 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
5688 | if (!p || !p2) |
5689 | ret = -TARGET_EFAULT; | |
5690 | else | |
5691 | ret = get_errno(rename(p, p2)); | |
53a5960a PB |
5692 | unlock_user(p2, arg2, 0); |
5693 | unlock_user(p, arg1, 0); | |
5694 | } | |
31e31b8a | 5695 | break; |
722183f6 TS |
5696 | #if defined(TARGET_NR_renameat) && defined(__NR_renameat) |
5697 | case TARGET_NR_renameat: | |
722183f6 | 5698 | { |
579a97f7 | 5699 | void *p2; |
722183f6 TS |
5700 | p = lock_user_string(arg2); |
5701 | p2 = lock_user_string(arg4); | |
579a97f7 | 5702 | if (!p || !p2) |
0da46a6e | 5703 | ret = -TARGET_EFAULT; |
722183f6 TS |
5704 | else |
5705 | ret = get_errno(sys_renameat(arg1, p, arg3, p2)); | |
579a97f7 FB |
5706 | unlock_user(p2, arg4, 0); |
5707 | unlock_user(p, arg2, 0); | |
722183f6 TS |
5708 | } |
5709 | break; | |
5710 | #endif | |
31e31b8a | 5711 | case TARGET_NR_mkdir: |
579a97f7 FB |
5712 | if (!(p = lock_user_string(arg1))) |
5713 | goto efault; | |
53a5960a PB |
5714 | ret = get_errno(mkdir(p, arg2)); |
5715 | unlock_user(p, arg1, 0); | |
31e31b8a | 5716 | break; |
4472ad0d TS |
5717 | #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat) |
5718 | case TARGET_NR_mkdirat: | |
579a97f7 FB |
5719 | if (!(p = lock_user_string(arg2))) |
5720 | goto efault; | |
5721 | ret = get_errno(sys_mkdirat(arg1, p, arg3)); | |
5722 | unlock_user(p, arg2, 0); | |
4472ad0d TS |
5723 | break; |
5724 | #endif | |
31e31b8a | 5725 | case TARGET_NR_rmdir: |
579a97f7 FB |
5726 | if (!(p = lock_user_string(arg1))) |
5727 | goto efault; | |
53a5960a PB |
5728 | ret = get_errno(rmdir(p)); |
5729 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
5730 | break; |
5731 | case TARGET_NR_dup: | |
5732 | ret = get_errno(dup(arg1)); | |
5733 | break; | |
5734 | case TARGET_NR_pipe: | |
fb41a66e | 5735 | ret = do_pipe(cpu_env, arg1, 0, 0); |
099d6b0f RV |
5736 | break; |
5737 | #ifdef TARGET_NR_pipe2 | |
5738 | case TARGET_NR_pipe2: | |
e7ea6cbe RH |
5739 | ret = do_pipe(cpu_env, arg1, |
5740 | target_to_host_bitmask(arg2, fcntl_flags_tbl), 1); | |
31e31b8a | 5741 | break; |
099d6b0f | 5742 | #endif |
31e31b8a | 5743 | case TARGET_NR_times: |
32f36bce | 5744 | { |
53a5960a | 5745 | struct target_tms *tmsp; |
32f36bce FB |
5746 | struct tms tms; |
5747 | ret = get_errno(times(&tms)); | |
53a5960a | 5748 | if (arg1) { |
579a97f7 FB |
5749 | tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0); |
5750 | if (!tmsp) | |
5751 | goto efault; | |
cbb21eed MB |
5752 | tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime)); |
5753 | tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime)); | |
5754 | tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime)); | |
5755 | tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime)); | |
32f36bce | 5756 | } |
c596ed17 FB |
5757 | if (!is_error(ret)) |
5758 | ret = host_to_target_clock_t(ret); | |
32f36bce FB |
5759 | } |
5760 | break; | |
ebc05488 | 5761 | #ifdef TARGET_NR_prof |
31e31b8a FB |
5762 | case TARGET_NR_prof: |
5763 | goto unimplemented; | |
ebc05488 | 5764 | #endif |
e5febef5 | 5765 | #ifdef TARGET_NR_signal |
31e31b8a FB |
5766 | case TARGET_NR_signal: |
5767 | goto unimplemented; | |
e5febef5 | 5768 | #endif |
31e31b8a | 5769 | case TARGET_NR_acct: |
38d840e6 AJ |
5770 | if (arg1 == 0) { |
5771 | ret = get_errno(acct(NULL)); | |
5772 | } else { | |
5773 | if (!(p = lock_user_string(arg1))) | |
5774 | goto efault; | |
5775 | ret = get_errno(acct(path(p))); | |
5776 | unlock_user(p, arg1, 0); | |
5777 | } | |
24836689 | 5778 | break; |
7a3148a9 | 5779 | #ifdef TARGET_NR_umount2 /* not on alpha */ |
31e31b8a | 5780 | case TARGET_NR_umount2: |
579a97f7 FB |
5781 | if (!(p = lock_user_string(arg1))) |
5782 | goto efault; | |
53a5960a PB |
5783 | ret = get_errno(umount2(p, arg2)); |
5784 | unlock_user(p, arg1, 0); | |
31e31b8a | 5785 | break; |
7a3148a9 | 5786 | #endif |
ebc05488 | 5787 | #ifdef TARGET_NR_lock |
31e31b8a FB |
5788 | case TARGET_NR_lock: |
5789 | goto unimplemented; | |
ebc05488 | 5790 | #endif |
31e31b8a FB |
5791 | case TARGET_NR_ioctl: |
5792 | ret = do_ioctl(arg1, arg2, arg3); | |
5793 | break; | |
5794 | case TARGET_NR_fcntl: | |
9ee1fa2c | 5795 | ret = do_fcntl(arg1, arg2, arg3); |
31e31b8a | 5796 | break; |
ebc05488 | 5797 | #ifdef TARGET_NR_mpx |
31e31b8a FB |
5798 | case TARGET_NR_mpx: |
5799 | goto unimplemented; | |
ebc05488 | 5800 | #endif |
31e31b8a FB |
5801 | case TARGET_NR_setpgid: |
5802 | ret = get_errno(setpgid(arg1, arg2)); | |
5803 | break; | |
ebc05488 | 5804 | #ifdef TARGET_NR_ulimit |
31e31b8a FB |
5805 | case TARGET_NR_ulimit: |
5806 | goto unimplemented; | |
ebc05488 FB |
5807 | #endif |
5808 | #ifdef TARGET_NR_oldolduname | |
31e31b8a FB |
5809 | case TARGET_NR_oldolduname: |
5810 | goto unimplemented; | |
ebc05488 | 5811 | #endif |
31e31b8a FB |
5812 | case TARGET_NR_umask: |
5813 | ret = get_errno(umask(arg1)); | |
5814 | break; | |
5815 | case TARGET_NR_chroot: | |
579a97f7 FB |
5816 | if (!(p = lock_user_string(arg1))) |
5817 | goto efault; | |
53a5960a PB |
5818 | ret = get_errno(chroot(p)); |
5819 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
5820 | break; |
5821 | case TARGET_NR_ustat: | |
5822 | goto unimplemented; | |
5823 | case TARGET_NR_dup2: | |
5824 | ret = get_errno(dup2(arg1, arg2)); | |
5825 | break; | |
d0927938 UH |
5826 | #if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3) |
5827 | case TARGET_NR_dup3: | |
5828 | ret = get_errno(dup3(arg1, arg2, arg3)); | |
5829 | break; | |
5830 | #endif | |
7a3148a9 | 5831 | #ifdef TARGET_NR_getppid /* not on alpha */ |
31e31b8a FB |
5832 | case TARGET_NR_getppid: |
5833 | ret = get_errno(getppid()); | |
5834 | break; | |
7a3148a9 | 5835 | #endif |
31e31b8a FB |
5836 | case TARGET_NR_getpgrp: |
5837 | ret = get_errno(getpgrp()); | |
5838 | break; | |
5839 | case TARGET_NR_setsid: | |
5840 | ret = get_errno(setsid()); | |
5841 | break; | |
e5febef5 | 5842 | #ifdef TARGET_NR_sigaction |
31e31b8a | 5843 | case TARGET_NR_sigaction: |
31e31b8a | 5844 | { |
6049f4f8 RH |
5845 | #if defined(TARGET_ALPHA) |
5846 | struct target_sigaction act, oact, *pact = 0; | |
53a5960a | 5847 | struct target_old_sigaction *old_act; |
53a5960a | 5848 | if (arg2) { |
579a97f7 FB |
5849 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
5850 | goto efault; | |
66fb9763 FB |
5851 | act._sa_handler = old_act->_sa_handler; |
5852 | target_siginitset(&act.sa_mask, old_act->sa_mask); | |
5853 | act.sa_flags = old_act->sa_flags; | |
6049f4f8 | 5854 | act.sa_restorer = 0; |
53a5960a | 5855 | unlock_user_struct(old_act, arg2, 0); |
66fb9763 | 5856 | pact = &act; |
66fb9763 FB |
5857 | } |
5858 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
53a5960a | 5859 | if (!is_error(ret) && arg3) { |
579a97f7 FB |
5860 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
5861 | goto efault; | |
53a5960a PB |
5862 | old_act->_sa_handler = oact._sa_handler; |
5863 | old_act->sa_mask = oact.sa_mask.sig[0]; | |
5864 | old_act->sa_flags = oact.sa_flags; | |
53a5960a | 5865 | unlock_user_struct(old_act, arg3, 1); |
66fb9763 | 5866 | } |
6049f4f8 | 5867 | #elif defined(TARGET_MIPS) |
106ec879 FB |
5868 | struct target_sigaction act, oact, *pact, *old_act; |
5869 | ||
5870 | if (arg2) { | |
579a97f7 FB |
5871 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
5872 | goto efault; | |
106ec879 FB |
5873 | act._sa_handler = old_act->_sa_handler; |
5874 | target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]); | |
5875 | act.sa_flags = old_act->sa_flags; | |
5876 | unlock_user_struct(old_act, arg2, 0); | |
5877 | pact = &act; | |
5878 | } else { | |
5879 | pact = NULL; | |
5880 | } | |
5881 | ||
5882 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
5883 | ||
5884 | if (!is_error(ret) && arg3) { | |
579a97f7 FB |
5885 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
5886 | goto efault; | |
106ec879 FB |
5887 | old_act->_sa_handler = oact._sa_handler; |
5888 | old_act->sa_flags = oact.sa_flags; | |
5889 | old_act->sa_mask.sig[0] = oact.sa_mask.sig[0]; | |
5890 | old_act->sa_mask.sig[1] = 0; | |
5891 | old_act->sa_mask.sig[2] = 0; | |
5892 | old_act->sa_mask.sig[3] = 0; | |
5893 | unlock_user_struct(old_act, arg3, 1); | |
5894 | } | |
6049f4f8 RH |
5895 | #else |
5896 | struct target_old_sigaction *old_act; | |
5897 | struct target_sigaction act, oact, *pact; | |
5898 | if (arg2) { | |
5899 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) | |
5900 | goto efault; | |
5901 | act._sa_handler = old_act->_sa_handler; | |
5902 | target_siginitset(&act.sa_mask, old_act->sa_mask); | |
5903 | act.sa_flags = old_act->sa_flags; | |
5904 | act.sa_restorer = old_act->sa_restorer; | |
5905 | unlock_user_struct(old_act, arg2, 0); | |
5906 | pact = &act; | |
5907 | } else { | |
5908 | pact = NULL; | |
5909 | } | |
5910 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
5911 | if (!is_error(ret) && arg3) { | |
5912 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) | |
5913 | goto efault; | |
5914 | old_act->_sa_handler = oact._sa_handler; | |
5915 | old_act->sa_mask = oact.sa_mask.sig[0]; | |
5916 | old_act->sa_flags = oact.sa_flags; | |
5917 | old_act->sa_restorer = oact.sa_restorer; | |
5918 | unlock_user_struct(old_act, arg3, 1); | |
5919 | } | |
388bb21a | 5920 | #endif |
31e31b8a FB |
5921 | } |
5922 | break; | |
e5febef5 | 5923 | #endif |
66fb9763 | 5924 | case TARGET_NR_rt_sigaction: |
53a5960a | 5925 | { |
6049f4f8 RH |
5926 | #if defined(TARGET_ALPHA) |
5927 | struct target_sigaction act, oact, *pact = 0; | |
5928 | struct target_rt_sigaction *rt_act; | |
5929 | /* ??? arg4 == sizeof(sigset_t). */ | |
5930 | if (arg2) { | |
5931 | if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1)) | |
5932 | goto efault; | |
5933 | act._sa_handler = rt_act->_sa_handler; | |
5934 | act.sa_mask = rt_act->sa_mask; | |
5935 | act.sa_flags = rt_act->sa_flags; | |
5936 | act.sa_restorer = arg5; | |
5937 | unlock_user_struct(rt_act, arg2, 0); | |
5938 | pact = &act; | |
5939 | } | |
5940 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
5941 | if (!is_error(ret) && arg3) { | |
5942 | if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0)) | |
5943 | goto efault; | |
5944 | rt_act->_sa_handler = oact._sa_handler; | |
5945 | rt_act->sa_mask = oact.sa_mask; | |
5946 | rt_act->sa_flags = oact.sa_flags; | |
5947 | unlock_user_struct(rt_act, arg3, 1); | |
5948 | } | |
5949 | #else | |
53a5960a PB |
5950 | struct target_sigaction *act; |
5951 | struct target_sigaction *oact; | |
5952 | ||
579a97f7 FB |
5953 | if (arg2) { |
5954 | if (!lock_user_struct(VERIFY_READ, act, arg2, 1)) | |
5955 | goto efault; | |
5956 | } else | |
53a5960a | 5957 | act = NULL; |
579a97f7 FB |
5958 | if (arg3) { |
5959 | if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) { | |
5960 | ret = -TARGET_EFAULT; | |
5961 | goto rt_sigaction_fail; | |
5962 | } | |
5963 | } else | |
53a5960a PB |
5964 | oact = NULL; |
5965 | ret = get_errno(do_sigaction(arg1, act, oact)); | |
579a97f7 FB |
5966 | rt_sigaction_fail: |
5967 | if (act) | |
53a5960a | 5968 | unlock_user_struct(act, arg2, 0); |
579a97f7 | 5969 | if (oact) |
53a5960a | 5970 | unlock_user_struct(oact, arg3, 1); |
6049f4f8 | 5971 | #endif |
53a5960a | 5972 | } |
66fb9763 | 5973 | break; |
7a3148a9 | 5974 | #ifdef TARGET_NR_sgetmask /* not on alpha */ |
31e31b8a | 5975 | case TARGET_NR_sgetmask: |
66fb9763 FB |
5976 | { |
5977 | sigset_t cur_set; | |
992f48a0 | 5978 | abi_ulong target_set; |
66fb9763 FB |
5979 | sigprocmask(0, NULL, &cur_set); |
5980 | host_to_target_old_sigset(&target_set, &cur_set); | |
5981 | ret = target_set; | |
5982 | } | |
5983 | break; | |
7a3148a9 JM |
5984 | #endif |
5985 | #ifdef TARGET_NR_ssetmask /* not on alpha */ | |
31e31b8a | 5986 | case TARGET_NR_ssetmask: |
66fb9763 FB |
5987 | { |
5988 | sigset_t set, oset, cur_set; | |
992f48a0 | 5989 | abi_ulong target_set = arg1; |
66fb9763 FB |
5990 | sigprocmask(0, NULL, &cur_set); |
5991 | target_to_host_old_sigset(&set, &target_set); | |
5992 | sigorset(&set, &set, &cur_set); | |
5993 | sigprocmask(SIG_SETMASK, &set, &oset); | |
5994 | host_to_target_old_sigset(&target_set, &oset); | |
5995 | ret = target_set; | |
5996 | } | |
5997 | break; | |
7a3148a9 | 5998 | #endif |
e5febef5 | 5999 | #ifdef TARGET_NR_sigprocmask |
66fb9763 FB |
6000 | case TARGET_NR_sigprocmask: |
6001 | { | |
a5b3b13b RH |
6002 | #if defined(TARGET_ALPHA) |
6003 | sigset_t set, oldset; | |
6004 | abi_ulong mask; | |
6005 | int how; | |
6006 | ||
6007 | switch (arg1) { | |
6008 | case TARGET_SIG_BLOCK: | |
6009 | how = SIG_BLOCK; | |
6010 | break; | |
6011 | case TARGET_SIG_UNBLOCK: | |
6012 | how = SIG_UNBLOCK; | |
6013 | break; | |
6014 | case TARGET_SIG_SETMASK: | |
6015 | how = SIG_SETMASK; | |
6016 | break; | |
6017 | default: | |
6018 | ret = -TARGET_EINVAL; | |
6019 | goto fail; | |
6020 | } | |
6021 | mask = arg2; | |
6022 | target_to_host_old_sigset(&set, &mask); | |
6023 | ||
6024 | ret = get_errno(sigprocmask(how, &set, &oldset)); | |
a5b3b13b RH |
6025 | if (!is_error(ret)) { |
6026 | host_to_target_old_sigset(&mask, &oldset); | |
6027 | ret = mask; | |
0229f5a3 | 6028 | ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; /* force no error */ |
a5b3b13b RH |
6029 | } |
6030 | #else | |
66fb9763 | 6031 | sigset_t set, oldset, *set_ptr; |
a5b3b13b | 6032 | int how; |
3b46e624 | 6033 | |
53a5960a | 6034 | if (arg2) { |
a5b3b13b | 6035 | switch (arg1) { |
66fb9763 FB |
6036 | case TARGET_SIG_BLOCK: |
6037 | how = SIG_BLOCK; | |
6038 | break; | |
6039 | case TARGET_SIG_UNBLOCK: | |
6040 | how = SIG_UNBLOCK; | |
6041 | break; | |
6042 | case TARGET_SIG_SETMASK: | |
6043 | how = SIG_SETMASK; | |
6044 | break; | |
6045 | default: | |
0da46a6e | 6046 | ret = -TARGET_EINVAL; |
66fb9763 FB |
6047 | goto fail; |
6048 | } | |
c227f099 | 6049 | if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
579a97f7 | 6050 | goto efault; |
53a5960a PB |
6051 | target_to_host_old_sigset(&set, p); |
6052 | unlock_user(p, arg2, 0); | |
66fb9763 FB |
6053 | set_ptr = &set; |
6054 | } else { | |
6055 | how = 0; | |
6056 | set_ptr = NULL; | |
6057 | } | |
a5b3b13b | 6058 | ret = get_errno(sigprocmask(how, set_ptr, &oldset)); |
53a5960a | 6059 | if (!is_error(ret) && arg3) { |
c227f099 | 6060 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
579a97f7 | 6061 | goto efault; |
53a5960a | 6062 | host_to_target_old_sigset(p, &oldset); |
c227f099 | 6063 | unlock_user(p, arg3, sizeof(target_sigset_t)); |
66fb9763 | 6064 | } |
a5b3b13b | 6065 | #endif |
66fb9763 FB |
6066 | } |
6067 | break; | |
e5febef5 | 6068 | #endif |
66fb9763 FB |
6069 | case TARGET_NR_rt_sigprocmask: |
6070 | { | |
6071 | int how = arg1; | |
6072 | sigset_t set, oldset, *set_ptr; | |
3b46e624 | 6073 | |
53a5960a | 6074 | if (arg2) { |
66fb9763 FB |
6075 | switch(how) { |
6076 | case TARGET_SIG_BLOCK: | |
6077 | how = SIG_BLOCK; | |
6078 | break; | |
6079 | case TARGET_SIG_UNBLOCK: | |
6080 | how = SIG_UNBLOCK; | |
6081 | break; | |
6082 | case TARGET_SIG_SETMASK: | |
6083 | how = SIG_SETMASK; | |
6084 | break; | |
6085 | default: | |
0da46a6e | 6086 | ret = -TARGET_EINVAL; |
66fb9763 FB |
6087 | goto fail; |
6088 | } | |
c227f099 | 6089 | if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
579a97f7 | 6090 | goto efault; |
53a5960a PB |
6091 | target_to_host_sigset(&set, p); |
6092 | unlock_user(p, arg2, 0); | |
66fb9763 FB |
6093 | set_ptr = &set; |
6094 | } else { | |
6095 | how = 0; | |
6096 | set_ptr = NULL; | |
6097 | } | |
6098 | ret = get_errno(sigprocmask(how, set_ptr, &oldset)); | |
53a5960a | 6099 | if (!is_error(ret) && arg3) { |
c227f099 | 6100 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
579a97f7 | 6101 | goto efault; |
53a5960a | 6102 | host_to_target_sigset(p, &oldset); |
c227f099 | 6103 | unlock_user(p, arg3, sizeof(target_sigset_t)); |
66fb9763 FB |
6104 | } |
6105 | } | |
6106 | break; | |
e5febef5 | 6107 | #ifdef TARGET_NR_sigpending |
66fb9763 FB |
6108 | case TARGET_NR_sigpending: |
6109 | { | |
6110 | sigset_t set; | |
6111 | ret = get_errno(sigpending(&set)); | |
6112 | if (!is_error(ret)) { | |
c227f099 | 6113 | if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
579a97f7 | 6114 | goto efault; |
53a5960a | 6115 | host_to_target_old_sigset(p, &set); |
c227f099 | 6116 | unlock_user(p, arg1, sizeof(target_sigset_t)); |
66fb9763 FB |
6117 | } |
6118 | } | |
6119 | break; | |
e5febef5 | 6120 | #endif |
66fb9763 FB |
6121 | case TARGET_NR_rt_sigpending: |
6122 | { | |
6123 | sigset_t set; | |
6124 | ret = get_errno(sigpending(&set)); | |
6125 | if (!is_error(ret)) { | |
c227f099 | 6126 | if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
579a97f7 | 6127 | goto efault; |
53a5960a | 6128 | host_to_target_sigset(p, &set); |
c227f099 | 6129 | unlock_user(p, arg1, sizeof(target_sigset_t)); |
66fb9763 FB |
6130 | } |
6131 | } | |
6132 | break; | |
e5febef5 | 6133 | #ifdef TARGET_NR_sigsuspend |
66fb9763 FB |
6134 | case TARGET_NR_sigsuspend: |
6135 | { | |
6136 | sigset_t set; | |
f43ce12b RH |
6137 | #if defined(TARGET_ALPHA) |
6138 | abi_ulong mask = arg1; | |
6139 | target_to_host_old_sigset(&set, &mask); | |
6140 | #else | |
c227f099 | 6141 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
579a97f7 | 6142 | goto efault; |
53a5960a PB |
6143 | target_to_host_old_sigset(&set, p); |
6144 | unlock_user(p, arg1, 0); | |
f43ce12b | 6145 | #endif |
66fb9763 FB |
6146 | ret = get_errno(sigsuspend(&set)); |
6147 | } | |
6148 | break; | |
e5febef5 | 6149 | #endif |
66fb9763 FB |
6150 | case TARGET_NR_rt_sigsuspend: |
6151 | { | |
6152 | sigset_t set; | |
c227f099 | 6153 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
579a97f7 | 6154 | goto efault; |
53a5960a PB |
6155 | target_to_host_sigset(&set, p); |
6156 | unlock_user(p, arg1, 0); | |
66fb9763 FB |
6157 | ret = get_errno(sigsuspend(&set)); |
6158 | } | |
6159 | break; | |
6160 | case TARGET_NR_rt_sigtimedwait: | |
6161 | { | |
66fb9763 FB |
6162 | sigset_t set; |
6163 | struct timespec uts, *puts; | |
6164 | siginfo_t uinfo; | |
3b46e624 | 6165 | |
c227f099 | 6166 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
579a97f7 | 6167 | goto efault; |
53a5960a PB |
6168 | target_to_host_sigset(&set, p); |
6169 | unlock_user(p, arg1, 0); | |
6170 | if (arg3) { | |
66fb9763 | 6171 | puts = &uts; |
53a5960a | 6172 | target_to_host_timespec(puts, arg3); |
66fb9763 FB |
6173 | } else { |
6174 | puts = NULL; | |
6175 | } | |
6176 | ret = get_errno(sigtimedwait(&set, &uinfo, puts)); | |
53a5960a | 6177 | if (!is_error(ret) && arg2) { |
c227f099 | 6178 | if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0))) |
579a97f7 | 6179 | goto efault; |
53a5960a | 6180 | host_to_target_siginfo(p, &uinfo); |
c227f099 | 6181 | unlock_user(p, arg2, sizeof(target_siginfo_t)); |
66fb9763 FB |
6182 | } |
6183 | } | |
6184 | break; | |
6185 | case TARGET_NR_rt_sigqueueinfo: | |
6186 | { | |
6187 | siginfo_t uinfo; | |
c227f099 | 6188 | if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1))) |
579a97f7 | 6189 | goto efault; |
53a5960a PB |
6190 | target_to_host_siginfo(&uinfo, p); |
6191 | unlock_user(p, arg1, 0); | |
66fb9763 FB |
6192 | ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); |
6193 | } | |
6194 | break; | |
e5febef5 | 6195 | #ifdef TARGET_NR_sigreturn |
66fb9763 FB |
6196 | case TARGET_NR_sigreturn: |
6197 | /* NOTE: ret is eax, so not transcoding must be done */ | |
6198 | ret = do_sigreturn(cpu_env); | |
6199 | break; | |
e5febef5 | 6200 | #endif |
66fb9763 FB |
6201 | case TARGET_NR_rt_sigreturn: |
6202 | /* NOTE: ret is eax, so not transcoding must be done */ | |
6203 | ret = do_rt_sigreturn(cpu_env); | |
6204 | break; | |
31e31b8a | 6205 | case TARGET_NR_sethostname: |
579a97f7 FB |
6206 | if (!(p = lock_user_string(arg1))) |
6207 | goto efault; | |
53a5960a PB |
6208 | ret = get_errno(sethostname(p, arg2)); |
6209 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
6210 | break; |
6211 | case TARGET_NR_setrlimit: | |
9de5e440 | 6212 | { |
e22b7015 | 6213 | int resource = target_to_host_resource(arg1); |
53a5960a | 6214 | struct target_rlimit *target_rlim; |
9de5e440 | 6215 | struct rlimit rlim; |
579a97f7 FB |
6216 | if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1)) |
6217 | goto efault; | |
81bbe906 TY |
6218 | rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur); |
6219 | rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max); | |
53a5960a | 6220 | unlock_user_struct(target_rlim, arg2, 0); |
9de5e440 FB |
6221 | ret = get_errno(setrlimit(resource, &rlim)); |
6222 | } | |
6223 | break; | |
31e31b8a | 6224 | case TARGET_NR_getrlimit: |
9de5e440 | 6225 | { |
e22b7015 | 6226 | int resource = target_to_host_resource(arg1); |
53a5960a | 6227 | struct target_rlimit *target_rlim; |
9de5e440 | 6228 | struct rlimit rlim; |
3b46e624 | 6229 | |
9de5e440 FB |
6230 | ret = get_errno(getrlimit(resource, &rlim)); |
6231 | if (!is_error(ret)) { | |
579a97f7 FB |
6232 | if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
6233 | goto efault; | |
81bbe906 TY |
6234 | target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); |
6235 | target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); | |
53a5960a | 6236 | unlock_user_struct(target_rlim, arg2, 1); |
9de5e440 FB |
6237 | } |
6238 | } | |
6239 | break; | |
31e31b8a | 6240 | case TARGET_NR_getrusage: |
b409186b FB |
6241 | { |
6242 | struct rusage rusage; | |
b409186b FB |
6243 | ret = get_errno(getrusage(arg1, &rusage)); |
6244 | if (!is_error(ret)) { | |
53a5960a | 6245 | host_to_target_rusage(arg2, &rusage); |
b409186b FB |
6246 | } |
6247 | } | |
6248 | break; | |
31e31b8a FB |
6249 | case TARGET_NR_gettimeofday: |
6250 | { | |
31e31b8a FB |
6251 | struct timeval tv; |
6252 | ret = get_errno(gettimeofday(&tv, NULL)); | |
6253 | if (!is_error(ret)) { | |
788f5ec4 TS |
6254 | if (copy_to_user_timeval(arg1, &tv)) |
6255 | goto efault; | |
31e31b8a FB |
6256 | } |
6257 | } | |
6258 | break; | |
6259 | case TARGET_NR_settimeofday: | |
6260 | { | |
31e31b8a | 6261 | struct timeval tv; |
788f5ec4 TS |
6262 | if (copy_from_user_timeval(&tv, arg1)) |
6263 | goto efault; | |
31e31b8a FB |
6264 | ret = get_errno(settimeofday(&tv, NULL)); |
6265 | } | |
6266 | break; | |
9468a5d4 | 6267 | #if defined(TARGET_NR_select) |
31e31b8a | 6268 | case TARGET_NR_select: |
9468a5d4 LV |
6269 | #if defined(TARGET_S390X) || defined(TARGET_ALPHA) |
6270 | ret = do_select(arg1, arg2, arg3, arg4, arg5); | |
6271 | #else | |
f2674e31 | 6272 | { |
53a5960a | 6273 | struct target_sel_arg_struct *sel; |
992f48a0 | 6274 | abi_ulong inp, outp, exp, tvp; |
53a5960a PB |
6275 | long nsel; |
6276 | ||
579a97f7 FB |
6277 | if (!lock_user_struct(VERIFY_READ, sel, arg1, 1)) |
6278 | goto efault; | |
cbb21eed MB |
6279 | nsel = tswapal(sel->n); |
6280 | inp = tswapal(sel->inp); | |
6281 | outp = tswapal(sel->outp); | |
6282 | exp = tswapal(sel->exp); | |
6283 | tvp = tswapal(sel->tvp); | |
53a5960a PB |
6284 | unlock_user_struct(sel, arg1, 0); |
6285 | ret = do_select(nsel, inp, outp, exp, tvp); | |
f2674e31 | 6286 | } |
9468a5d4 | 6287 | #endif |
f2674e31 | 6288 | break; |
9e42382f RV |
6289 | #endif |
6290 | #ifdef TARGET_NR_pselect6 | |
6291 | case TARGET_NR_pselect6: | |
055e0906 MF |
6292 | { |
6293 | abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr; | |
6294 | fd_set rfds, wfds, efds; | |
6295 | fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; | |
6296 | struct timespec ts, *ts_ptr; | |
6297 | ||
6298 | /* | |
6299 | * The 6th arg is actually two args smashed together, | |
6300 | * so we cannot use the C library. | |
6301 | */ | |
6302 | sigset_t set; | |
6303 | struct { | |
6304 | sigset_t *set; | |
6305 | size_t size; | |
6306 | } sig, *sig_ptr; | |
6307 | ||
6308 | abi_ulong arg_sigset, arg_sigsize, *arg7; | |
6309 | target_sigset_t *target_sigset; | |
6310 | ||
6311 | n = arg1; | |
6312 | rfd_addr = arg2; | |
6313 | wfd_addr = arg3; | |
6314 | efd_addr = arg4; | |
6315 | ts_addr = arg5; | |
6316 | ||
6317 | ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); | |
6318 | if (ret) { | |
6319 | goto fail; | |
6320 | } | |
6321 | ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); | |
6322 | if (ret) { | |
6323 | goto fail; | |
6324 | } | |
6325 | ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); | |
6326 | if (ret) { | |
6327 | goto fail; | |
6328 | } | |
6329 | ||
6330 | /* | |
6331 | * This takes a timespec, and not a timeval, so we cannot | |
6332 | * use the do_select() helper ... | |
6333 | */ | |
6334 | if (ts_addr) { | |
6335 | if (target_to_host_timespec(&ts, ts_addr)) { | |
6336 | goto efault; | |
6337 | } | |
6338 | ts_ptr = &ts; | |
6339 | } else { | |
6340 | ts_ptr = NULL; | |
6341 | } | |
6342 | ||
6343 | /* Extract the two packed args for the sigset */ | |
6344 | if (arg6) { | |
6345 | sig_ptr = &sig; | |
6346 | sig.size = _NSIG / 8; | |
6347 | ||
6348 | arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1); | |
6349 | if (!arg7) { | |
6350 | goto efault; | |
6351 | } | |
cbb21eed MB |
6352 | arg_sigset = tswapal(arg7[0]); |
6353 | arg_sigsize = tswapal(arg7[1]); | |
055e0906 MF |
6354 | unlock_user(arg7, arg6, 0); |
6355 | ||
6356 | if (arg_sigset) { | |
6357 | sig.set = &set; | |
8f04eeb3 PM |
6358 | if (arg_sigsize != sizeof(*target_sigset)) { |
6359 | /* Like the kernel, we enforce correct size sigsets */ | |
6360 | ret = -TARGET_EINVAL; | |
6361 | goto fail; | |
6362 | } | |
055e0906 MF |
6363 | target_sigset = lock_user(VERIFY_READ, arg_sigset, |
6364 | sizeof(*target_sigset), 1); | |
6365 | if (!target_sigset) { | |
6366 | goto efault; | |
6367 | } | |
6368 | target_to_host_sigset(&set, target_sigset); | |
6369 | unlock_user(target_sigset, arg_sigset, 0); | |
6370 | } else { | |
6371 | sig.set = NULL; | |
6372 | } | |
6373 | } else { | |
6374 | sig_ptr = NULL; | |
6375 | } | |
6376 | ||
6377 | ret = get_errno(sys_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr, | |
6378 | ts_ptr, sig_ptr)); | |
6379 | ||
6380 | if (!is_error(ret)) { | |
6381 | if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) | |
6382 | goto efault; | |
6383 | if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) | |
6384 | goto efault; | |
6385 | if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) | |
6386 | goto efault; | |
6387 | ||
6388 | if (ts_addr && host_to_target_timespec(ts_addr, &ts)) | |
6389 | goto efault; | |
6390 | } | |
6391 | } | |
6392 | break; | |
048f6b4d | 6393 | #endif |
31e31b8a | 6394 | case TARGET_NR_symlink: |
53a5960a PB |
6395 | { |
6396 | void *p2; | |
6397 | p = lock_user_string(arg1); | |
6398 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
6399 | if (!p || !p2) |
6400 | ret = -TARGET_EFAULT; | |
6401 | else | |
6402 | ret = get_errno(symlink(p, p2)); | |
53a5960a PB |
6403 | unlock_user(p2, arg2, 0); |
6404 | unlock_user(p, arg1, 0); | |
6405 | } | |
31e31b8a | 6406 | break; |
f0b6243d TS |
6407 | #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat) |
6408 | case TARGET_NR_symlinkat: | |
f0b6243d | 6409 | { |
579a97f7 | 6410 | void *p2; |
f0b6243d TS |
6411 | p = lock_user_string(arg1); |
6412 | p2 = lock_user_string(arg3); | |
579a97f7 | 6413 | if (!p || !p2) |
0da46a6e | 6414 | ret = -TARGET_EFAULT; |
f0b6243d TS |
6415 | else |
6416 | ret = get_errno(sys_symlinkat(p, arg2, p2)); | |
579a97f7 FB |
6417 | unlock_user(p2, arg3, 0); |
6418 | unlock_user(p, arg1, 0); | |
f0b6243d TS |
6419 | } |
6420 | break; | |
6421 | #endif | |
ebc05488 | 6422 | #ifdef TARGET_NR_oldlstat |
31e31b8a FB |
6423 | case TARGET_NR_oldlstat: |
6424 | goto unimplemented; | |
ebc05488 | 6425 | #endif |
31e31b8a | 6426 | case TARGET_NR_readlink: |
53a5960a | 6427 | { |
d088d664 | 6428 | void *p2, *temp; |
53a5960a | 6429 | p = lock_user_string(arg1); |
579a97f7 FB |
6430 | p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0); |
6431 | if (!p || !p2) | |
6432 | ret = -TARGET_EFAULT; | |
d088d664 AJ |
6433 | else { |
6434 | if (strncmp((const char *)p, "/proc/self/exe", 14) == 0) { | |
6435 | char real[PATH_MAX]; | |
6436 | temp = realpath(exec_path,real); | |
6437 | ret = (temp==NULL) ? get_errno(-1) : strlen(real) ; | |
6438 | snprintf((char *)p2, arg3, "%s", real); | |
6439 | } | |
6440 | else | |
6441 | ret = get_errno(readlink(path(p), p2, arg3)); | |
d088d664 | 6442 | } |
53a5960a PB |
6443 | unlock_user(p2, arg2, ret); |
6444 | unlock_user(p, arg1, 0); | |
6445 | } | |
31e31b8a | 6446 | break; |
5e0ccb18 TS |
6447 | #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat) |
6448 | case TARGET_NR_readlinkat: | |
5e0ccb18 | 6449 | { |
579a97f7 | 6450 | void *p2; |
5e0ccb18 | 6451 | p = lock_user_string(arg2); |
579a97f7 FB |
6452 | p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0); |
6453 | if (!p || !p2) | |
0da46a6e | 6454 | ret = -TARGET_EFAULT; |
5e0ccb18 TS |
6455 | else |
6456 | ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4)); | |
579a97f7 FB |
6457 | unlock_user(p2, arg3, ret); |
6458 | unlock_user(p, arg2, 0); | |
5e0ccb18 TS |
6459 | } |
6460 | break; | |
6461 | #endif | |
e5febef5 | 6462 | #ifdef TARGET_NR_uselib |
31e31b8a FB |
6463 | case TARGET_NR_uselib: |
6464 | goto unimplemented; | |
e5febef5 TS |
6465 | #endif |
6466 | #ifdef TARGET_NR_swapon | |
31e31b8a | 6467 | case TARGET_NR_swapon: |
579a97f7 FB |
6468 | if (!(p = lock_user_string(arg1))) |
6469 | goto efault; | |
53a5960a PB |
6470 | ret = get_errno(swapon(p, arg2)); |
6471 | unlock_user(p, arg1, 0); | |
31e31b8a | 6472 | break; |
e5febef5 | 6473 | #endif |
31e31b8a | 6474 | case TARGET_NR_reboot: |
c07ecc68 LV |
6475 | if (arg3 == LINUX_REBOOT_CMD_RESTART2) { |
6476 | /* arg4 must be ignored in all other cases */ | |
6477 | p = lock_user_string(arg4); | |
6478 | if (!p) { | |
6479 | goto efault; | |
6480 | } | |
6481 | ret = get_errno(reboot(arg1, arg2, arg3, p)); | |
6482 | unlock_user(p, arg4, 0); | |
6483 | } else { | |
6484 | ret = get_errno(reboot(arg1, arg2, arg3, NULL)); | |
6485 | } | |
0f6b4d21 | 6486 | break; |
e5febef5 | 6487 | #ifdef TARGET_NR_readdir |
31e31b8a FB |
6488 | case TARGET_NR_readdir: |
6489 | goto unimplemented; | |
e5febef5 TS |
6490 | #endif |
6491 | #ifdef TARGET_NR_mmap | |
31e31b8a | 6492 | case TARGET_NR_mmap: |
a4c075f1 UH |
6493 | #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || \ |
6494 | defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \ | |
6495 | || defined(TARGET_S390X) | |
31e31b8a | 6496 | { |
992f48a0 BS |
6497 | abi_ulong *v; |
6498 | abi_ulong v1, v2, v3, v4, v5, v6; | |
579a97f7 FB |
6499 | if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1))) |
6500 | goto efault; | |
cbb21eed MB |
6501 | v1 = tswapal(v[0]); |
6502 | v2 = tswapal(v[1]); | |
6503 | v3 = tswapal(v[2]); | |
6504 | v4 = tswapal(v[3]); | |
6505 | v5 = tswapal(v[4]); | |
6506 | v6 = tswapal(v[5]); | |
53a5960a | 6507 | unlock_user(v, arg1, 0); |
5fafdf24 | 6508 | ret = get_errno(target_mmap(v1, v2, v3, |
5286db75 FB |
6509 | target_to_host_bitmask(v4, mmap_flags_tbl), |
6510 | v5, v6)); | |
31e31b8a | 6511 | } |
31e31b8a | 6512 | #else |
5fafdf24 TS |
6513 | ret = get_errno(target_mmap(arg1, arg2, arg3, |
6514 | target_to_host_bitmask(arg4, mmap_flags_tbl), | |
6fb883e8 FB |
6515 | arg5, |
6516 | arg6)); | |
31e31b8a | 6517 | #endif |
6fb883e8 | 6518 | break; |
e5febef5 | 6519 | #endif |
a315a145 | 6520 | #ifdef TARGET_NR_mmap2 |
6fb883e8 | 6521 | case TARGET_NR_mmap2: |
bb7ec043 | 6522 | #ifndef MMAP_SHIFT |
c573ff67 | 6523 | #define MMAP_SHIFT 12 |
c573ff67 | 6524 | #endif |
5fafdf24 TS |
6525 | ret = get_errno(target_mmap(arg1, arg2, arg3, |
6526 | target_to_host_bitmask(arg4, mmap_flags_tbl), | |
5286db75 | 6527 | arg5, |
c573ff67 | 6528 | arg6 << MMAP_SHIFT)); |
31e31b8a | 6529 | break; |
a315a145 | 6530 | #endif |
31e31b8a | 6531 | case TARGET_NR_munmap: |
54936004 | 6532 | ret = get_errno(target_munmap(arg1, arg2)); |
31e31b8a | 6533 | break; |
9de5e440 | 6534 | case TARGET_NR_mprotect: |
97374d38 | 6535 | { |
9349b4f9 | 6536 | TaskState *ts = ((CPUArchState *)cpu_env)->opaque; |
97374d38 PB |
6537 | /* Special hack to detect libc making the stack executable. */ |
6538 | if ((arg3 & PROT_GROWSDOWN) | |
6539 | && arg1 >= ts->info->stack_limit | |
6540 | && arg1 <= ts->info->start_stack) { | |
6541 | arg3 &= ~PROT_GROWSDOWN; | |
6542 | arg2 = arg2 + arg1 - ts->info->stack_limit; | |
6543 | arg1 = ts->info->stack_limit; | |
6544 | } | |
6545 | } | |
54936004 | 6546 | ret = get_errno(target_mprotect(arg1, arg2, arg3)); |
9de5e440 | 6547 | break; |
e5febef5 | 6548 | #ifdef TARGET_NR_mremap |
9de5e440 | 6549 | case TARGET_NR_mremap: |
54936004 | 6550 | ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); |
9de5e440 | 6551 | break; |
e5febef5 | 6552 | #endif |
53a5960a | 6553 | /* ??? msync/mlock/munlock are broken for softmmu. */ |
e5febef5 | 6554 | #ifdef TARGET_NR_msync |
9de5e440 | 6555 | case TARGET_NR_msync: |
53a5960a | 6556 | ret = get_errno(msync(g2h(arg1), arg2, arg3)); |
9de5e440 | 6557 | break; |
e5febef5 TS |
6558 | #endif |
6559 | #ifdef TARGET_NR_mlock | |
9de5e440 | 6560 | case TARGET_NR_mlock: |
53a5960a | 6561 | ret = get_errno(mlock(g2h(arg1), arg2)); |
9de5e440 | 6562 | break; |
e5febef5 TS |
6563 | #endif |
6564 | #ifdef TARGET_NR_munlock | |
9de5e440 | 6565 | case TARGET_NR_munlock: |
53a5960a | 6566 | ret = get_errno(munlock(g2h(arg1), arg2)); |
9de5e440 | 6567 | break; |
e5febef5 TS |
6568 | #endif |
6569 | #ifdef TARGET_NR_mlockall | |
9de5e440 FB |
6570 | case TARGET_NR_mlockall: |
6571 | ret = get_errno(mlockall(arg1)); | |
6572 | break; | |
e5febef5 TS |
6573 | #endif |
6574 | #ifdef TARGET_NR_munlockall | |
9de5e440 FB |
6575 | case TARGET_NR_munlockall: |
6576 | ret = get_errno(munlockall()); | |
6577 | break; | |
e5febef5 | 6578 | #endif |
31e31b8a | 6579 | case TARGET_NR_truncate: |
579a97f7 FB |
6580 | if (!(p = lock_user_string(arg1))) |
6581 | goto efault; | |
53a5960a PB |
6582 | ret = get_errno(truncate(p, arg2)); |
6583 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
6584 | break; |
6585 | case TARGET_NR_ftruncate: | |
6586 | ret = get_errno(ftruncate(arg1, arg2)); | |
6587 | break; | |
6588 | case TARGET_NR_fchmod: | |
6589 | ret = get_errno(fchmod(arg1, arg2)); | |
6590 | break; | |
814d7977 TS |
6591 | #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat) |
6592 | case TARGET_NR_fchmodat: | |
579a97f7 FB |
6593 | if (!(p = lock_user_string(arg2))) |
6594 | goto efault; | |
465c9f06 | 6595 | ret = get_errno(sys_fchmodat(arg1, p, arg3)); |
579a97f7 | 6596 | unlock_user(p, arg2, 0); |
814d7977 TS |
6597 | break; |
6598 | #endif | |
31e31b8a | 6599 | case TARGET_NR_getpriority: |
95c09828 RH |
6600 | /* Note that negative values are valid for getpriority, so we must |
6601 | differentiate based on errno settings. */ | |
6602 | errno = 0; | |
6603 | ret = getpriority(arg1, arg2); | |
6604 | if (ret == -1 && errno != 0) { | |
6605 | ret = -host_to_target_errno(errno); | |
6606 | break; | |
6607 | } | |
6608 | #ifdef TARGET_ALPHA | |
6609 | /* Return value is the unbiased priority. Signal no error. */ | |
6610 | ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; | |
6611 | #else | |
6612 | /* Return value is a biased priority to avoid negative numbers. */ | |
6613 | ret = 20 - ret; | |
6614 | #endif | |
31e31b8a FB |
6615 | break; |
6616 | case TARGET_NR_setpriority: | |
6617 | ret = get_errno(setpriority(arg1, arg2, arg3)); | |
6618 | break; | |
ebc05488 | 6619 | #ifdef TARGET_NR_profil |
31e31b8a FB |
6620 | case TARGET_NR_profil: |
6621 | goto unimplemented; | |
ebc05488 | 6622 | #endif |
31e31b8a | 6623 | case TARGET_NR_statfs: |
579a97f7 FB |
6624 | if (!(p = lock_user_string(arg1))) |
6625 | goto efault; | |
53a5960a PB |
6626 | ret = get_errno(statfs(path(p), &stfs)); |
6627 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
6628 | convert_statfs: |
6629 | if (!is_error(ret)) { | |
53a5960a | 6630 | struct target_statfs *target_stfs; |
3b46e624 | 6631 | |
579a97f7 FB |
6632 | if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0)) |
6633 | goto efault; | |
6634 | __put_user(stfs.f_type, &target_stfs->f_type); | |
6635 | __put_user(stfs.f_bsize, &target_stfs->f_bsize); | |
6636 | __put_user(stfs.f_blocks, &target_stfs->f_blocks); | |
6637 | __put_user(stfs.f_bfree, &target_stfs->f_bfree); | |
6638 | __put_user(stfs.f_bavail, &target_stfs->f_bavail); | |
6639 | __put_user(stfs.f_files, &target_stfs->f_files); | |
6640 | __put_user(stfs.f_ffree, &target_stfs->f_ffree); | |
6641 | __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); | |
6642 | __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); | |
6643 | __put_user(stfs.f_namelen, &target_stfs->f_namelen); | |
229d3376 AG |
6644 | __put_user(stfs.f_frsize, &target_stfs->f_frsize); |
6645 | memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); | |
53a5960a | 6646 | unlock_user_struct(target_stfs, arg2, 1); |
31e31b8a FB |
6647 | } |
6648 | break; | |
6649 | case TARGET_NR_fstatfs: | |
56c8f68f | 6650 | ret = get_errno(fstatfs(arg1, &stfs)); |
31e31b8a | 6651 | goto convert_statfs; |
56c8f68f FB |
6652 | #ifdef TARGET_NR_statfs64 |
6653 | case TARGET_NR_statfs64: | |
579a97f7 FB |
6654 | if (!(p = lock_user_string(arg1))) |
6655 | goto efault; | |
53a5960a PB |
6656 | ret = get_errno(statfs(path(p), &stfs)); |
6657 | unlock_user(p, arg1, 0); | |
56c8f68f FB |
6658 | convert_statfs64: |
6659 | if (!is_error(ret)) { | |
53a5960a | 6660 | struct target_statfs64 *target_stfs; |
3b46e624 | 6661 | |
579a97f7 FB |
6662 | if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0)) |
6663 | goto efault; | |
6664 | __put_user(stfs.f_type, &target_stfs->f_type); | |
6665 | __put_user(stfs.f_bsize, &target_stfs->f_bsize); | |
6666 | __put_user(stfs.f_blocks, &target_stfs->f_blocks); | |
6667 | __put_user(stfs.f_bfree, &target_stfs->f_bfree); | |
6668 | __put_user(stfs.f_bavail, &target_stfs->f_bavail); | |
6669 | __put_user(stfs.f_files, &target_stfs->f_files); | |
6670 | __put_user(stfs.f_ffree, &target_stfs->f_ffree); | |
6671 | __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); | |
6672 | __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); | |
6673 | __put_user(stfs.f_namelen, &target_stfs->f_namelen); | |
229d3376 AG |
6674 | __put_user(stfs.f_frsize, &target_stfs->f_frsize); |
6675 | memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); | |
579a97f7 | 6676 | unlock_user_struct(target_stfs, arg3, 1); |
56c8f68f FB |
6677 | } |
6678 | break; | |
6679 | case TARGET_NR_fstatfs64: | |
6680 | ret = get_errno(fstatfs(arg1, &stfs)); | |
6681 | goto convert_statfs64; | |
6682 | #endif | |
ebc05488 | 6683 | #ifdef TARGET_NR_ioperm |
31e31b8a FB |
6684 | case TARGET_NR_ioperm: |
6685 | goto unimplemented; | |
ebc05488 | 6686 | #endif |
e5febef5 | 6687 | #ifdef TARGET_NR_socketcall |
31e31b8a | 6688 | case TARGET_NR_socketcall: |
53a5960a | 6689 | ret = do_socketcall(arg1, arg2); |
31e31b8a | 6690 | break; |
e5febef5 | 6691 | #endif |
3532fa74 FB |
6692 | #ifdef TARGET_NR_accept |
6693 | case TARGET_NR_accept: | |
a94b4987 PM |
6694 | ret = do_accept4(arg1, arg2, arg3, 0); |
6695 | break; | |
6696 | #endif | |
6697 | #ifdef TARGET_NR_accept4 | |
6698 | case TARGET_NR_accept4: | |
6699 | #ifdef CONFIG_ACCEPT4 | |
6700 | ret = do_accept4(arg1, arg2, arg3, arg4); | |
6701 | #else | |
6702 | goto unimplemented; | |
6703 | #endif | |
3532fa74 FB |
6704 | break; |
6705 | #endif | |
6706 | #ifdef TARGET_NR_bind | |
6707 | case TARGET_NR_bind: | |
6708 | ret = do_bind(arg1, arg2, arg3); | |
6709 | break; | |
6710 | #endif | |
6711 | #ifdef TARGET_NR_connect | |
6712 | case TARGET_NR_connect: | |
6713 | ret = do_connect(arg1, arg2, arg3); | |
6714 | break; | |
6715 | #endif | |
6716 | #ifdef TARGET_NR_getpeername | |
6717 | case TARGET_NR_getpeername: | |
1be9e1dc | 6718 | ret = do_getpeername(arg1, arg2, arg3); |
3532fa74 FB |
6719 | break; |
6720 | #endif | |
6721 | #ifdef TARGET_NR_getsockname | |
6722 | case TARGET_NR_getsockname: | |
1be9e1dc | 6723 | ret = do_getsockname(arg1, arg2, arg3); |
3532fa74 FB |
6724 | break; |
6725 | #endif | |
6726 | #ifdef TARGET_NR_getsockopt | |
6727 | case TARGET_NR_getsockopt: | |
6728 | ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5); | |
6729 | break; | |
6730 | #endif | |
6731 | #ifdef TARGET_NR_listen | |
6732 | case TARGET_NR_listen: | |
1be9e1dc | 6733 | ret = get_errno(listen(arg1, arg2)); |
3532fa74 FB |
6734 | break; |
6735 | #endif | |
6736 | #ifdef TARGET_NR_recv | |
6737 | case TARGET_NR_recv: | |
214201bd | 6738 | ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0); |
3532fa74 FB |
6739 | break; |
6740 | #endif | |
6741 | #ifdef TARGET_NR_recvfrom | |
6742 | case TARGET_NR_recvfrom: | |
214201bd | 6743 | ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6); |
3532fa74 FB |
6744 | break; |
6745 | #endif | |
6746 | #ifdef TARGET_NR_recvmsg | |
6747 | case TARGET_NR_recvmsg: | |
6748 | ret = do_sendrecvmsg(arg1, arg2, arg3, 0); | |
6749 | break; | |
6750 | #endif | |
6751 | #ifdef TARGET_NR_send | |
6752 | case TARGET_NR_send: | |
1be9e1dc | 6753 | ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0); |
3532fa74 FB |
6754 | break; |
6755 | #endif | |
6756 | #ifdef TARGET_NR_sendmsg | |
6757 | case TARGET_NR_sendmsg: | |
6758 | ret = do_sendrecvmsg(arg1, arg2, arg3, 1); | |
6759 | break; | |
6760 | #endif | |
6761 | #ifdef TARGET_NR_sendto | |
6762 | case TARGET_NR_sendto: | |
1be9e1dc | 6763 | ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6); |
3532fa74 FB |
6764 | break; |
6765 | #endif | |
6766 | #ifdef TARGET_NR_shutdown | |
6767 | case TARGET_NR_shutdown: | |
1be9e1dc | 6768 | ret = get_errno(shutdown(arg1, arg2)); |
3532fa74 FB |
6769 | break; |
6770 | #endif | |
6771 | #ifdef TARGET_NR_socket | |
6772 | case TARGET_NR_socket: | |
6773 | ret = do_socket(arg1, arg2, arg3); | |
6774 | break; | |
6775 | #endif | |
6776 | #ifdef TARGET_NR_socketpair | |
6777 | case TARGET_NR_socketpair: | |
1be9e1dc | 6778 | ret = do_socketpair(arg1, arg2, arg3, arg4); |
3532fa74 FB |
6779 | break; |
6780 | #endif | |
6781 | #ifdef TARGET_NR_setsockopt | |
6782 | case TARGET_NR_setsockopt: | |
6783 | ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5); | |
6784 | break; | |
6785 | #endif | |
7494b0f9 | 6786 | |
31e31b8a | 6787 | case TARGET_NR_syslog: |
579a97f7 FB |
6788 | if (!(p = lock_user_string(arg2))) |
6789 | goto efault; | |
e5574487 TS |
6790 | ret = get_errno(sys_syslog((int)arg1, p, (int)arg3)); |
6791 | unlock_user(p, arg2, 0); | |
7494b0f9 TS |
6792 | break; |
6793 | ||
31e31b8a | 6794 | case TARGET_NR_setitimer: |
66fb9763 | 6795 | { |
66fb9763 FB |
6796 | struct itimerval value, ovalue, *pvalue; |
6797 | ||
53a5960a | 6798 | if (arg2) { |
66fb9763 | 6799 | pvalue = &value; |
788f5ec4 TS |
6800 | if (copy_from_user_timeval(&pvalue->it_interval, arg2) |
6801 | || copy_from_user_timeval(&pvalue->it_value, | |
6802 | arg2 + sizeof(struct target_timeval))) | |
6803 | goto efault; | |
66fb9763 FB |
6804 | } else { |
6805 | pvalue = NULL; | |
6806 | } | |
6807 | ret = get_errno(setitimer(arg1, pvalue, &ovalue)); | |
53a5960a | 6808 | if (!is_error(ret) && arg3) { |
788f5ec4 TS |
6809 | if (copy_to_user_timeval(arg3, |
6810 | &ovalue.it_interval) | |
6811 | || copy_to_user_timeval(arg3 + sizeof(struct target_timeval), | |
6812 | &ovalue.it_value)) | |
6813 | goto efault; | |
66fb9763 FB |
6814 | } |
6815 | } | |
6816 | break; | |
31e31b8a | 6817 | case TARGET_NR_getitimer: |
66fb9763 | 6818 | { |
66fb9763 | 6819 | struct itimerval value; |
3b46e624 | 6820 | |
66fb9763 | 6821 | ret = get_errno(getitimer(arg1, &value)); |
53a5960a | 6822 | if (!is_error(ret) && arg2) { |
788f5ec4 TS |
6823 | if (copy_to_user_timeval(arg2, |
6824 | &value.it_interval) | |
6825 | || copy_to_user_timeval(arg2 + sizeof(struct target_timeval), | |
6826 | &value.it_value)) | |
6827 | goto efault; | |
66fb9763 FB |
6828 | } |
6829 | } | |
6830 | break; | |
31e31b8a | 6831 | case TARGET_NR_stat: |
579a97f7 FB |
6832 | if (!(p = lock_user_string(arg1))) |
6833 | goto efault; | |
53a5960a PB |
6834 | ret = get_errno(stat(path(p), &st)); |
6835 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
6836 | goto do_stat; |
6837 | case TARGET_NR_lstat: | |
579a97f7 FB |
6838 | if (!(p = lock_user_string(arg1))) |
6839 | goto efault; | |
53a5960a PB |
6840 | ret = get_errno(lstat(path(p), &st)); |
6841 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
6842 | goto do_stat; |
6843 | case TARGET_NR_fstat: | |
6844 | { | |
6845 | ret = get_errno(fstat(arg1, &st)); | |
6846 | do_stat: | |
6847 | if (!is_error(ret)) { | |
53a5960a | 6848 | struct target_stat *target_st; |
e3584658 | 6849 | |
579a97f7 FB |
6850 | if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0)) |
6851 | goto efault; | |
12727917 | 6852 | memset(target_st, 0, sizeof(*target_st)); |
d2fd1af7 FB |
6853 | __put_user(st.st_dev, &target_st->st_dev); |
6854 | __put_user(st.st_ino, &target_st->st_ino); | |
6855 | __put_user(st.st_mode, &target_st->st_mode); | |
6856 | __put_user(st.st_uid, &target_st->st_uid); | |
6857 | __put_user(st.st_gid, &target_st->st_gid); | |
6858 | __put_user(st.st_nlink, &target_st->st_nlink); | |
6859 | __put_user(st.st_rdev, &target_st->st_rdev); | |
6860 | __put_user(st.st_size, &target_st->st_size); | |
6861 | __put_user(st.st_blksize, &target_st->st_blksize); | |
6862 | __put_user(st.st_blocks, &target_st->st_blocks); | |
6863 | __put_user(st.st_atime, &target_st->target_st_atime); | |
6864 | __put_user(st.st_mtime, &target_st->target_st_mtime); | |
6865 | __put_user(st.st_ctime, &target_st->target_st_ctime); | |
53a5960a | 6866 | unlock_user_struct(target_st, arg2, 1); |
31e31b8a FB |
6867 | } |
6868 | } | |
6869 | break; | |
ebc05488 | 6870 | #ifdef TARGET_NR_olduname |
31e31b8a FB |
6871 | case TARGET_NR_olduname: |
6872 | goto unimplemented; | |
ebc05488 FB |
6873 | #endif |
6874 | #ifdef TARGET_NR_iopl | |
31e31b8a FB |
6875 | case TARGET_NR_iopl: |
6876 | goto unimplemented; | |
ebc05488 | 6877 | #endif |
31e31b8a FB |
6878 | case TARGET_NR_vhangup: |
6879 | ret = get_errno(vhangup()); | |
6880 | break; | |
ebc05488 | 6881 | #ifdef TARGET_NR_idle |
31e31b8a FB |
6882 | case TARGET_NR_idle: |
6883 | goto unimplemented; | |
42ad6ae9 FB |
6884 | #endif |
6885 | #ifdef TARGET_NR_syscall | |
6886 | case TARGET_NR_syscall: | |
5945cfcb PM |
6887 | ret = do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5, |
6888 | arg6, arg7, arg8, 0); | |
6889 | break; | |
ebc05488 | 6890 | #endif |
31e31b8a FB |
6891 | case TARGET_NR_wait4: |
6892 | { | |
6893 | int status; | |
992f48a0 | 6894 | abi_long status_ptr = arg2; |
31e31b8a | 6895 | struct rusage rusage, *rusage_ptr; |
992f48a0 | 6896 | abi_ulong target_rusage = arg4; |
31e31b8a FB |
6897 | if (target_rusage) |
6898 | rusage_ptr = &rusage; | |
6899 | else | |
6900 | rusage_ptr = NULL; | |
6901 | ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr)); | |
6902 | if (!is_error(ret)) { | |
5379557b | 6903 | if (status_ptr && ret) { |
1d9d8b55 | 6904 | status = host_to_target_waitstatus(status); |
2f619698 FB |
6905 | if (put_user_s32(status, status_ptr)) |
6906 | goto efault; | |
31e31b8a | 6907 | } |
2f619698 FB |
6908 | if (target_rusage) |
6909 | host_to_target_rusage(target_rusage, &rusage); | |
31e31b8a FB |
6910 | } |
6911 | } | |
6912 | break; | |
e5febef5 | 6913 | #ifdef TARGET_NR_swapoff |
31e31b8a | 6914 | case TARGET_NR_swapoff: |
579a97f7 FB |
6915 | if (!(p = lock_user_string(arg1))) |
6916 | goto efault; | |
53a5960a PB |
6917 | ret = get_errno(swapoff(p)); |
6918 | unlock_user(p, arg1, 0); | |
31e31b8a | 6919 | break; |
e5febef5 | 6920 | #endif |
31e31b8a | 6921 | case TARGET_NR_sysinfo: |
a5448a7d | 6922 | { |
53a5960a | 6923 | struct target_sysinfo *target_value; |
a5448a7d FB |
6924 | struct sysinfo value; |
6925 | ret = get_errno(sysinfo(&value)); | |
53a5960a | 6926 | if (!is_error(ret) && arg1) |
a5448a7d | 6927 | { |
579a97f7 FB |
6928 | if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0)) |
6929 | goto efault; | |
a5448a7d FB |
6930 | __put_user(value.uptime, &target_value->uptime); |
6931 | __put_user(value.loads[0], &target_value->loads[0]); | |
6932 | __put_user(value.loads[1], &target_value->loads[1]); | |
6933 | __put_user(value.loads[2], &target_value->loads[2]); | |
6934 | __put_user(value.totalram, &target_value->totalram); | |
6935 | __put_user(value.freeram, &target_value->freeram); | |
6936 | __put_user(value.sharedram, &target_value->sharedram); | |
6937 | __put_user(value.bufferram, &target_value->bufferram); | |
6938 | __put_user(value.totalswap, &target_value->totalswap); | |
6939 | __put_user(value.freeswap, &target_value->freeswap); | |
6940 | __put_user(value.procs, &target_value->procs); | |
6941 | __put_user(value.totalhigh, &target_value->totalhigh); | |
6942 | __put_user(value.freehigh, &target_value->freehigh); | |
6943 | __put_user(value.mem_unit, &target_value->mem_unit); | |
53a5960a | 6944 | unlock_user_struct(target_value, arg1, 1); |
a5448a7d FB |
6945 | } |
6946 | } | |
6947 | break; | |
e5febef5 | 6948 | #ifdef TARGET_NR_ipc |
31e31b8a | 6949 | case TARGET_NR_ipc: |
8853f86e FB |
6950 | ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6); |
6951 | break; | |
e5febef5 | 6952 | #endif |
e5289087 AJ |
6953 | #ifdef TARGET_NR_semget |
6954 | case TARGET_NR_semget: | |
6955 | ret = get_errno(semget(arg1, arg2, arg3)); | |
6956 | break; | |
6957 | #endif | |
6958 | #ifdef TARGET_NR_semop | |
6959 | case TARGET_NR_semop: | |
6960 | ret = get_errno(do_semop(arg1, arg2, arg3)); | |
6961 | break; | |
6962 | #endif | |
6963 | #ifdef TARGET_NR_semctl | |
6964 | case TARGET_NR_semctl: | |
6965 | ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4); | |
6966 | break; | |
6967 | #endif | |
eeb438c1 AJ |
6968 | #ifdef TARGET_NR_msgctl |
6969 | case TARGET_NR_msgctl: | |
6970 | ret = do_msgctl(arg1, arg2, arg3); | |
6971 | break; | |
6972 | #endif | |
6973 | #ifdef TARGET_NR_msgget | |
6974 | case TARGET_NR_msgget: | |
6975 | ret = get_errno(msgget(arg1, arg2)); | |
6976 | break; | |
6977 | #endif | |
6978 | #ifdef TARGET_NR_msgrcv | |
6979 | case TARGET_NR_msgrcv: | |
6980 | ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5); | |
6981 | break; | |
6982 | #endif | |
6983 | #ifdef TARGET_NR_msgsnd | |
6984 | case TARGET_NR_msgsnd: | |
6985 | ret = do_msgsnd(arg1, arg2, arg3, arg4); | |
6986 | break; | |
88a8c984 RV |
6987 | #endif |
6988 | #ifdef TARGET_NR_shmget | |
6989 | case TARGET_NR_shmget: | |
6990 | ret = get_errno(shmget(arg1, arg2, arg3)); | |
6991 | break; | |
6992 | #endif | |
6993 | #ifdef TARGET_NR_shmctl | |
6994 | case TARGET_NR_shmctl: | |
6995 | ret = do_shmctl(arg1, arg2, arg3); | |
6996 | break; | |
6997 | #endif | |
6998 | #ifdef TARGET_NR_shmat | |
6999 | case TARGET_NR_shmat: | |
7000 | ret = do_shmat(arg1, arg2, arg3); | |
7001 | break; | |
7002 | #endif | |
7003 | #ifdef TARGET_NR_shmdt | |
7004 | case TARGET_NR_shmdt: | |
7005 | ret = do_shmdt(arg1); | |
7006 | break; | |
eeb438c1 | 7007 | #endif |
31e31b8a FB |
7008 | case TARGET_NR_fsync: |
7009 | ret = get_errno(fsync(arg1)); | |
7010 | break; | |
31e31b8a | 7011 | case TARGET_NR_clone: |
a4b388ff | 7012 | #if defined(TARGET_SH4) || defined(TARGET_ALPHA) |
0b6d3ae0 | 7013 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4)); |
b15ad61c EI |
7014 | #elif defined(TARGET_CRIS) |
7015 | ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg4, arg5)); | |
a5b3bdcb EI |
7016 | #elif defined(TARGET_MICROBLAZE) |
7017 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg4, arg6, arg5)); | |
a4c075f1 UH |
7018 | #elif defined(TARGET_S390X) |
7019 | ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4)); | |
0b6d3ae0 | 7020 | #else |
d865bab5 | 7021 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5)); |
0b6d3ae0 | 7022 | #endif |
1b6b029e | 7023 | break; |
ec86b0fb FB |
7024 | #ifdef __NR_exit_group |
7025 | /* new thread calls */ | |
7026 | case TARGET_NR_exit_group: | |
9788c9ca | 7027 | #ifdef TARGET_GPROF |
6d946cda AJ |
7028 | _mcleanup(); |
7029 | #endif | |
e9009676 | 7030 | gdb_exit(cpu_env, arg1); |
ec86b0fb FB |
7031 | ret = get_errno(exit_group(arg1)); |
7032 | break; | |
7033 | #endif | |
31e31b8a | 7034 | case TARGET_NR_setdomainname: |
579a97f7 FB |
7035 | if (!(p = lock_user_string(arg1))) |
7036 | goto efault; | |
53a5960a PB |
7037 | ret = get_errno(setdomainname(p, arg2)); |
7038 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
7039 | break; |
7040 | case TARGET_NR_uname: | |
7041 | /* no need to transcode because we use the linux syscall */ | |
29e619b1 FB |
7042 | { |
7043 | struct new_utsname * buf; | |
3b46e624 | 7044 | |
579a97f7 FB |
7045 | if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0)) |
7046 | goto efault; | |
29e619b1 FB |
7047 | ret = get_errno(sys_uname(buf)); |
7048 | if (!is_error(ret)) { | |
7049 | /* Overrite the native machine name with whatever is being | |
7050 | emulated. */ | |
da79030f | 7051 | strcpy (buf->machine, cpu_to_uname_machine(cpu_env)); |
c5937220 PB |
7052 | /* Allow the user to override the reported release. */ |
7053 | if (qemu_uname_release && *qemu_uname_release) | |
7054 | strcpy (buf->release, qemu_uname_release); | |
29e619b1 | 7055 | } |
53a5960a | 7056 | unlock_user_struct(buf, arg1, 1); |
29e619b1 | 7057 | } |
31e31b8a | 7058 | break; |
6dbad63e | 7059 | #ifdef TARGET_I386 |
31e31b8a | 7060 | case TARGET_NR_modify_ldt: |
03acab66 | 7061 | ret = do_modify_ldt(cpu_env, arg1, arg2, arg3); |
5cd4393b | 7062 | break; |
84409ddb | 7063 | #if !defined(TARGET_X86_64) |
5cd4393b FB |
7064 | case TARGET_NR_vm86old: |
7065 | goto unimplemented; | |
7066 | case TARGET_NR_vm86: | |
53a5960a | 7067 | ret = do_vm86(cpu_env, arg1, arg2); |
6dbad63e | 7068 | break; |
84409ddb | 7069 | #endif |
6dbad63e | 7070 | #endif |
31e31b8a FB |
7071 | case TARGET_NR_adjtimex: |
7072 | goto unimplemented; | |
e5febef5 | 7073 | #ifdef TARGET_NR_create_module |
31e31b8a | 7074 | case TARGET_NR_create_module: |
e5febef5 | 7075 | #endif |
31e31b8a FB |
7076 | case TARGET_NR_init_module: |
7077 | case TARGET_NR_delete_module: | |
e5febef5 | 7078 | #ifdef TARGET_NR_get_kernel_syms |
31e31b8a | 7079 | case TARGET_NR_get_kernel_syms: |
e5febef5 | 7080 | #endif |
31e31b8a FB |
7081 | goto unimplemented; |
7082 | case TARGET_NR_quotactl: | |
7083 | goto unimplemented; | |
7084 | case TARGET_NR_getpgid: | |
7085 | ret = get_errno(getpgid(arg1)); | |
7086 | break; | |
7087 | case TARGET_NR_fchdir: | |
7088 | ret = get_errno(fchdir(arg1)); | |
7089 | break; | |
84409ddb | 7090 | #ifdef TARGET_NR_bdflush /* not on x86_64 */ |
31e31b8a FB |
7091 | case TARGET_NR_bdflush: |
7092 | goto unimplemented; | |
84409ddb | 7093 | #endif |
e5febef5 | 7094 | #ifdef TARGET_NR_sysfs |
31e31b8a FB |
7095 | case TARGET_NR_sysfs: |
7096 | goto unimplemented; | |
e5febef5 | 7097 | #endif |
31e31b8a | 7098 | case TARGET_NR_personality: |
1b6b029e | 7099 | ret = get_errno(personality(arg1)); |
31e31b8a | 7100 | break; |
e5febef5 | 7101 | #ifdef TARGET_NR_afs_syscall |
31e31b8a FB |
7102 | case TARGET_NR_afs_syscall: |
7103 | goto unimplemented; | |
e5febef5 | 7104 | #endif |
7a3148a9 | 7105 | #ifdef TARGET_NR__llseek /* Not on alpha */ |
31e31b8a FB |
7106 | case TARGET_NR__llseek: |
7107 | { | |
0c1592d9 | 7108 | int64_t res; |
d35b261c | 7109 | #if !defined(__NR_llseek) |
0c1592d9 PM |
7110 | res = lseek(arg1, ((uint64_t)arg2 << 32) | arg3, arg5); |
7111 | if (res == -1) { | |
7112 | ret = get_errno(res); | |
7113 | } else { | |
7114 | ret = 0; | |
7115 | } | |
4f2ac237 | 7116 | #else |
31e31b8a | 7117 | ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); |
4f2ac237 | 7118 | #endif |
0c1592d9 PM |
7119 | if ((ret == 0) && put_user_s64(res, arg4)) { |
7120 | goto efault; | |
7121 | } | |
31e31b8a FB |
7122 | } |
7123 | break; | |
7a3148a9 | 7124 | #endif |
31e31b8a | 7125 | case TARGET_NR_getdents: |
d83c8733 | 7126 | #if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64 |
4add45b4 | 7127 | { |
53a5960a | 7128 | struct target_dirent *target_dirp; |
6556a833 | 7129 | struct linux_dirent *dirp; |
992f48a0 | 7130 | abi_long count = arg3; |
4add45b4 FB |
7131 | |
7132 | dirp = malloc(count); | |
0da46a6e | 7133 | if (!dirp) { |
579a97f7 | 7134 | ret = -TARGET_ENOMEM; |
0da46a6e TS |
7135 | goto fail; |
7136 | } | |
3b46e624 | 7137 | |
4add45b4 FB |
7138 | ret = get_errno(sys_getdents(arg1, dirp, count)); |
7139 | if (!is_error(ret)) { | |
6556a833 | 7140 | struct linux_dirent *de; |
4add45b4 FB |
7141 | struct target_dirent *tde; |
7142 | int len = ret; | |
7143 | int reclen, treclen; | |
7144 | int count1, tnamelen; | |
7145 | ||
7146 | count1 = 0; | |
7147 | de = dirp; | |
579a97f7 FB |
7148 | if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
7149 | goto efault; | |
4add45b4 FB |
7150 | tde = target_dirp; |
7151 | while (len > 0) { | |
7152 | reclen = de->d_reclen; | |
333858b7 DL |
7153 | tnamelen = reclen - offsetof(struct linux_dirent, d_name); |
7154 | assert(tnamelen >= 0); | |
7155 | treclen = tnamelen + offsetof(struct target_dirent, d_name); | |
7156 | assert(count1 + treclen <= count); | |
4add45b4 | 7157 | tde->d_reclen = tswap16(treclen); |
cbb21eed MB |
7158 | tde->d_ino = tswapal(de->d_ino); |
7159 | tde->d_off = tswapal(de->d_off); | |
333858b7 | 7160 | memcpy(tde->d_name, de->d_name, tnamelen); |
6556a833 | 7161 | de = (struct linux_dirent *)((char *)de + reclen); |
4add45b4 | 7162 | len -= reclen; |
1c5bf3bf | 7163 | tde = (struct target_dirent *)((char *)tde + treclen); |
4add45b4 FB |
7164 | count1 += treclen; |
7165 | } | |
7166 | ret = count1; | |
579a97f7 | 7167 | unlock_user(target_dirp, arg2, ret); |
4add45b4 FB |
7168 | } |
7169 | free(dirp); | |
7170 | } | |
7171 | #else | |
31e31b8a | 7172 | { |
6556a833 | 7173 | struct linux_dirent *dirp; |
992f48a0 | 7174 | abi_long count = arg3; |
dab2ed99 | 7175 | |
579a97f7 FB |
7176 | if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
7177 | goto efault; | |
72f03900 | 7178 | ret = get_errno(sys_getdents(arg1, dirp, count)); |
31e31b8a | 7179 | if (!is_error(ret)) { |
6556a833 | 7180 | struct linux_dirent *de; |
31e31b8a FB |
7181 | int len = ret; |
7182 | int reclen; | |
7183 | de = dirp; | |
7184 | while (len > 0) { | |
8083a3e5 | 7185 | reclen = de->d_reclen; |
31e31b8a FB |
7186 | if (reclen > len) |
7187 | break; | |
8083a3e5 | 7188 | de->d_reclen = tswap16(reclen); |
31e31b8a FB |
7189 | tswapls(&de->d_ino); |
7190 | tswapls(&de->d_off); | |
6556a833 | 7191 | de = (struct linux_dirent *)((char *)de + reclen); |
31e31b8a FB |
7192 | len -= reclen; |
7193 | } | |
7194 | } | |
53a5960a | 7195 | unlock_user(dirp, arg2, ret); |
31e31b8a | 7196 | } |
4add45b4 | 7197 | #endif |
31e31b8a | 7198 | break; |
3ae43202 | 7199 | #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64) |
dab2ed99 FB |
7200 | case TARGET_NR_getdents64: |
7201 | { | |
6556a833 | 7202 | struct linux_dirent64 *dirp; |
992f48a0 | 7203 | abi_long count = arg3; |
579a97f7 FB |
7204 | if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
7205 | goto efault; | |
dab2ed99 FB |
7206 | ret = get_errno(sys_getdents64(arg1, dirp, count)); |
7207 | if (!is_error(ret)) { | |
6556a833 | 7208 | struct linux_dirent64 *de; |
dab2ed99 FB |
7209 | int len = ret; |
7210 | int reclen; | |
7211 | de = dirp; | |
7212 | while (len > 0) { | |
8083a3e5 | 7213 | reclen = de->d_reclen; |
dab2ed99 FB |
7214 | if (reclen > len) |
7215 | break; | |
8083a3e5 | 7216 | de->d_reclen = tswap16(reclen); |
8582a53a FB |
7217 | tswap64s((uint64_t *)&de->d_ino); |
7218 | tswap64s((uint64_t *)&de->d_off); | |
6556a833 | 7219 | de = (struct linux_dirent64 *)((char *)de + reclen); |
dab2ed99 FB |
7220 | len -= reclen; |
7221 | } | |
7222 | } | |
53a5960a | 7223 | unlock_user(dirp, arg2, ret); |
dab2ed99 FB |
7224 | } |
7225 | break; | |
a541f297 | 7226 | #endif /* TARGET_NR_getdents64 */ |
9468a5d4 | 7227 | #if defined(TARGET_NR__newselect) |
31e31b8a | 7228 | case TARGET_NR__newselect: |
53a5960a | 7229 | ret = do_select(arg1, arg2, arg3, arg4, arg5); |
31e31b8a | 7230 | break; |
e5febef5 | 7231 | #endif |
d8035d4c MF |
7232 | #if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll) |
7233 | # ifdef TARGET_NR_poll | |
9de5e440 | 7234 | case TARGET_NR_poll: |
d8035d4c MF |
7235 | # endif |
7236 | # ifdef TARGET_NR_ppoll | |
7237 | case TARGET_NR_ppoll: | |
7238 | # endif | |
9de5e440 | 7239 | { |
53a5960a | 7240 | struct target_pollfd *target_pfd; |
9de5e440 FB |
7241 | unsigned int nfds = arg2; |
7242 | int timeout = arg3; | |
7243 | struct pollfd *pfd; | |
7854b056 | 7244 | unsigned int i; |
9de5e440 | 7245 | |
579a97f7 FB |
7246 | target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1); |
7247 | if (!target_pfd) | |
7248 | goto efault; | |
d8035d4c | 7249 | |
9de5e440 FB |
7250 | pfd = alloca(sizeof(struct pollfd) * nfds); |
7251 | for(i = 0; i < nfds; i++) { | |
5cd4393b FB |
7252 | pfd[i].fd = tswap32(target_pfd[i].fd); |
7253 | pfd[i].events = tswap16(target_pfd[i].events); | |
9de5e440 | 7254 | } |
d8035d4c MF |
7255 | |
7256 | # ifdef TARGET_NR_ppoll | |
7257 | if (num == TARGET_NR_ppoll) { | |
7258 | struct timespec _timeout_ts, *timeout_ts = &_timeout_ts; | |
7259 | target_sigset_t *target_set; | |
7260 | sigset_t _set, *set = &_set; | |
7261 | ||
7262 | if (arg3) { | |
7263 | if (target_to_host_timespec(timeout_ts, arg3)) { | |
7264 | unlock_user(target_pfd, arg1, 0); | |
7265 | goto efault; | |
7266 | } | |
7267 | } else { | |
7268 | timeout_ts = NULL; | |
7269 | } | |
7270 | ||
7271 | if (arg4) { | |
7272 | target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1); | |
7273 | if (!target_set) { | |
7274 | unlock_user(target_pfd, arg1, 0); | |
7275 | goto efault; | |
7276 | } | |
7277 | target_to_host_sigset(set, target_set); | |
7278 | } else { | |
7279 | set = NULL; | |
7280 | } | |
7281 | ||
7282 | ret = get_errno(sys_ppoll(pfd, nfds, timeout_ts, set, _NSIG/8)); | |
7283 | ||
7284 | if (!is_error(ret) && arg3) { | |
7285 | host_to_target_timespec(arg3, timeout_ts); | |
7286 | } | |
7287 | if (arg4) { | |
7288 | unlock_user(target_set, arg4, 0); | |
7289 | } | |
7290 | } else | |
7291 | # endif | |
7292 | ret = get_errno(poll(pfd, nfds, timeout)); | |
7293 | ||
9de5e440 FB |
7294 | if (!is_error(ret)) { |
7295 | for(i = 0; i < nfds; i++) { | |
5cd4393b | 7296 | target_pfd[i].revents = tswap16(pfd[i].revents); |
9de5e440 FB |
7297 | } |
7298 | } | |
30cb4cde | 7299 | unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds); |
9de5e440 FB |
7300 | } |
7301 | break; | |
e5febef5 | 7302 | #endif |
31e31b8a | 7303 | case TARGET_NR_flock: |
9de5e440 FB |
7304 | /* NOTE: the flock constant seems to be the same for every |
7305 | Linux platform */ | |
7306 | ret = get_errno(flock(arg1, arg2)); | |
31e31b8a FB |
7307 | break; |
7308 | case TARGET_NR_readv: | |
7309 | { | |
f287b2c2 RH |
7310 | struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0); |
7311 | if (vec != NULL) { | |
7312 | ret = get_errno(readv(arg1, vec, arg3)); | |
7313 | unlock_iovec(vec, arg2, arg3, 1); | |
7314 | } else { | |
7315 | ret = -host_to_target_errno(errno); | |
7316 | } | |
31e31b8a FB |
7317 | } |
7318 | break; | |
7319 | case TARGET_NR_writev: | |
7320 | { | |
f287b2c2 RH |
7321 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); |
7322 | if (vec != NULL) { | |
7323 | ret = get_errno(writev(arg1, vec, arg3)); | |
7324 | unlock_iovec(vec, arg2, arg3, 0); | |
7325 | } else { | |
7326 | ret = -host_to_target_errno(errno); | |
7327 | } | |
31e31b8a FB |
7328 | } |
7329 | break; | |
7330 | case TARGET_NR_getsid: | |
7331 | ret = get_errno(getsid(arg1)); | |
7332 | break; | |
7a3148a9 | 7333 | #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */ |
31e31b8a | 7334 | case TARGET_NR_fdatasync: |
5cd4393b FB |
7335 | ret = get_errno(fdatasync(arg1)); |
7336 | break; | |
7a3148a9 | 7337 | #endif |
31e31b8a | 7338 | case TARGET_NR__sysctl: |
0da46a6e | 7339 | /* We don't implement this, but ENOTDIR is always a safe |
29e619b1 | 7340 | return value. */ |
0da46a6e TS |
7341 | ret = -TARGET_ENOTDIR; |
7342 | break; | |
737de1d1 MF |
7343 | case TARGET_NR_sched_getaffinity: |
7344 | { | |
7345 | unsigned int mask_size; | |
7346 | unsigned long *mask; | |
7347 | ||
7348 | /* | |
7349 | * sched_getaffinity needs multiples of ulong, so need to take | |
7350 | * care of mismatches between target ulong and host ulong sizes. | |
7351 | */ | |
7352 | if (arg2 & (sizeof(abi_ulong) - 1)) { | |
7353 | ret = -TARGET_EINVAL; | |
7354 | break; | |
7355 | } | |
7356 | mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); | |
7357 | ||
7358 | mask = alloca(mask_size); | |
7359 | ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask)); | |
7360 | ||
7361 | if (!is_error(ret)) { | |
cd18f05e | 7362 | if (copy_to_user(arg3, mask, ret)) { |
737de1d1 MF |
7363 | goto efault; |
7364 | } | |
737de1d1 MF |
7365 | } |
7366 | } | |
7367 | break; | |
7368 | case TARGET_NR_sched_setaffinity: | |
7369 | { | |
7370 | unsigned int mask_size; | |
7371 | unsigned long *mask; | |
7372 | ||
7373 | /* | |
7374 | * sched_setaffinity needs multiples of ulong, so need to take | |
7375 | * care of mismatches between target ulong and host ulong sizes. | |
7376 | */ | |
7377 | if (arg2 & (sizeof(abi_ulong) - 1)) { | |
7378 | ret = -TARGET_EINVAL; | |
7379 | break; | |
7380 | } | |
7381 | mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); | |
7382 | ||
7383 | mask = alloca(mask_size); | |
7384 | if (!lock_user_struct(VERIFY_READ, p, arg3, 1)) { | |
7385 | goto efault; | |
7386 | } | |
7387 | memcpy(mask, p, arg2); | |
7388 | unlock_user_struct(p, arg2, 0); | |
7389 | ||
7390 | ret = get_errno(sys_sched_setaffinity(arg1, mask_size, mask)); | |
7391 | } | |
7392 | break; | |
31e31b8a | 7393 | case TARGET_NR_sched_setparam: |
5cd4393b | 7394 | { |
53a5960a | 7395 | struct sched_param *target_schp; |
5cd4393b | 7396 | struct sched_param schp; |
53a5960a | 7397 | |
579a97f7 FB |
7398 | if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1)) |
7399 | goto efault; | |
5cd4393b | 7400 | schp.sched_priority = tswap32(target_schp->sched_priority); |
53a5960a | 7401 | unlock_user_struct(target_schp, arg2, 0); |
5cd4393b FB |
7402 | ret = get_errno(sched_setparam(arg1, &schp)); |
7403 | } | |
7404 | break; | |
31e31b8a | 7405 | case TARGET_NR_sched_getparam: |
5cd4393b | 7406 | { |
53a5960a | 7407 | struct sched_param *target_schp; |
5cd4393b FB |
7408 | struct sched_param schp; |
7409 | ret = get_errno(sched_getparam(arg1, &schp)); | |
7410 | if (!is_error(ret)) { | |
579a97f7 FB |
7411 | if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0)) |
7412 | goto efault; | |
5cd4393b | 7413 | target_schp->sched_priority = tswap32(schp.sched_priority); |
53a5960a | 7414 | unlock_user_struct(target_schp, arg2, 1); |
5cd4393b FB |
7415 | } |
7416 | } | |
7417 | break; | |
31e31b8a | 7418 | case TARGET_NR_sched_setscheduler: |
5cd4393b | 7419 | { |
53a5960a | 7420 | struct sched_param *target_schp; |
5cd4393b | 7421 | struct sched_param schp; |
579a97f7 FB |
7422 | if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1)) |
7423 | goto efault; | |
5cd4393b | 7424 | schp.sched_priority = tswap32(target_schp->sched_priority); |
53a5960a | 7425 | unlock_user_struct(target_schp, arg3, 0); |
5cd4393b FB |
7426 | ret = get_errno(sched_setscheduler(arg1, arg2, &schp)); |
7427 | } | |
7428 | break; | |
31e31b8a | 7429 | case TARGET_NR_sched_getscheduler: |
5cd4393b FB |
7430 | ret = get_errno(sched_getscheduler(arg1)); |
7431 | break; | |
31e31b8a FB |
7432 | case TARGET_NR_sched_yield: |
7433 | ret = get_errno(sched_yield()); | |
7434 | break; | |
7435 | case TARGET_NR_sched_get_priority_max: | |
5cd4393b FB |
7436 | ret = get_errno(sched_get_priority_max(arg1)); |
7437 | break; | |
31e31b8a | 7438 | case TARGET_NR_sched_get_priority_min: |
5cd4393b FB |
7439 | ret = get_errno(sched_get_priority_min(arg1)); |
7440 | break; | |
31e31b8a | 7441 | case TARGET_NR_sched_rr_get_interval: |
5cd4393b | 7442 | { |
5cd4393b FB |
7443 | struct timespec ts; |
7444 | ret = get_errno(sched_rr_get_interval(arg1, &ts)); | |
7445 | if (!is_error(ret)) { | |
53a5960a | 7446 | host_to_target_timespec(arg2, &ts); |
5cd4393b FB |
7447 | } |
7448 | } | |
7449 | break; | |
31e31b8a | 7450 | case TARGET_NR_nanosleep: |
1b6b029e | 7451 | { |
1b6b029e | 7452 | struct timespec req, rem; |
53a5960a | 7453 | target_to_host_timespec(&req, arg1); |
1b6b029e | 7454 | ret = get_errno(nanosleep(&req, &rem)); |
53a5960a PB |
7455 | if (is_error(ret) && arg2) { |
7456 | host_to_target_timespec(arg2, &rem); | |
1b6b029e FB |
7457 | } |
7458 | } | |
7459 | break; | |
e5febef5 | 7460 | #ifdef TARGET_NR_query_module |
31e31b8a | 7461 | case TARGET_NR_query_module: |
5cd4393b | 7462 | goto unimplemented; |
e5febef5 TS |
7463 | #endif |
7464 | #ifdef TARGET_NR_nfsservctl | |
31e31b8a | 7465 | case TARGET_NR_nfsservctl: |
5cd4393b | 7466 | goto unimplemented; |
e5febef5 | 7467 | #endif |
31e31b8a | 7468 | case TARGET_NR_prctl: |
1e6722f8 PM |
7469 | switch (arg1) { |
7470 | case PR_GET_PDEATHSIG: | |
7471 | { | |
7472 | int deathsig; | |
7473 | ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5)); | |
7474 | if (!is_error(ret) && arg2 | |
7475 | && put_user_ual(deathsig, arg2)) { | |
7476 | goto efault; | |
e5574487 | 7477 | } |
1e6722f8 PM |
7478 | break; |
7479 | } | |
db9526b1 PM |
7480 | #ifdef PR_GET_NAME |
7481 | case PR_GET_NAME: | |
7482 | { | |
7483 | void *name = lock_user(VERIFY_WRITE, arg2, 16, 1); | |
7484 | if (!name) { | |
7485 | goto efault; | |
7486 | } | |
7487 | ret = get_errno(prctl(arg1, (unsigned long)name, | |
7488 | arg3, arg4, arg5)); | |
7489 | unlock_user(name, arg2, 16); | |
7490 | break; | |
7491 | } | |
7492 | case PR_SET_NAME: | |
7493 | { | |
7494 | void *name = lock_user(VERIFY_READ, arg2, 16, 1); | |
7495 | if (!name) { | |
7496 | goto efault; | |
7497 | } | |
7498 | ret = get_errno(prctl(arg1, (unsigned long)name, | |
7499 | arg3, arg4, arg5)); | |
7500 | unlock_user(name, arg2, 0); | |
7501 | break; | |
7502 | } | |
7503 | #endif | |
1e6722f8 PM |
7504 | default: |
7505 | /* Most prctl options have no pointer arguments */ | |
7506 | ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5)); | |
7507 | break; | |
7508 | } | |
39b9aae1 | 7509 | break; |
d2fd1af7 FB |
7510 | #ifdef TARGET_NR_arch_prctl |
7511 | case TARGET_NR_arch_prctl: | |
7512 | #if defined(TARGET_I386) && !defined(TARGET_ABI32) | |
7513 | ret = do_arch_prctl(cpu_env, arg1, arg2); | |
7514 | break; | |
7515 | #else | |
7516 | goto unimplemented; | |
7517 | #endif | |
7518 | #endif | |
f2c7ba15 AJ |
7519 | #ifdef TARGET_NR_pread64 |
7520 | case TARGET_NR_pread64: | |
ae017a5b AG |
7521 | if (regpairs_aligned(cpu_env)) { |
7522 | arg4 = arg5; | |
7523 | arg5 = arg6; | |
7524 | } | |
f2c7ba15 AJ |
7525 | if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) |
7526 | goto efault; | |
7527 | ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5))); | |
7528 | unlock_user(p, arg2, ret); | |
7529 | break; | |
7530 | case TARGET_NR_pwrite64: | |
ae017a5b AG |
7531 | if (regpairs_aligned(cpu_env)) { |
7532 | arg4 = arg5; | |
7533 | arg5 = arg6; | |
7534 | } | |
f2c7ba15 AJ |
7535 | if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
7536 | goto efault; | |
7537 | ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5))); | |
7538 | unlock_user(p, arg2, 0); | |
7539 | break; | |
67867308 | 7540 | #endif |
31e31b8a | 7541 | case TARGET_NR_getcwd: |
579a97f7 FB |
7542 | if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0))) |
7543 | goto efault; | |
53a5960a PB |
7544 | ret = get_errno(sys_getcwd1(p, arg2)); |
7545 | unlock_user(p, arg1, ret); | |
31e31b8a FB |
7546 | break; |
7547 | case TARGET_NR_capget: | |
5cd4393b | 7548 | goto unimplemented; |
31e31b8a | 7549 | case TARGET_NR_capset: |
5cd4393b | 7550 | goto unimplemented; |
31e31b8a | 7551 | case TARGET_NR_sigaltstack: |
198a74de | 7552 | #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \ |
c761c154 | 7553 | defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \ |
d962783e | 7554 | defined(TARGET_M68K) || defined(TARGET_S390X) || defined(TARGET_OPENRISC) |
9349b4f9 | 7555 | ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUArchState *)cpu_env)); |
a04e134a TS |
7556 | break; |
7557 | #else | |
5cd4393b | 7558 | goto unimplemented; |
a04e134a | 7559 | #endif |
a8fd1aba PM |
7560 | |
7561 | #ifdef CONFIG_SENDFILE | |
7562 | case TARGET_NR_sendfile: | |
7563 | { | |
7564 | off_t *offp = NULL; | |
7565 | off_t off; | |
7566 | if (arg3) { | |
7567 | ret = get_user_sal(off, arg3); | |
7568 | if (is_error(ret)) { | |
7569 | break; | |
7570 | } | |
7571 | offp = &off; | |
7572 | } | |
7573 | ret = get_errno(sendfile(arg1, arg2, offp, arg4)); | |
7574 | if (!is_error(ret) && arg3) { | |
7575 | abi_long ret2 = put_user_sal(off, arg3); | |
7576 | if (is_error(ret2)) { | |
7577 | ret = ret2; | |
7578 | } | |
7579 | } | |
7580 | break; | |
7581 | } | |
7582 | #ifdef TARGET_NR_sendfile64 | |
7583 | case TARGET_NR_sendfile64: | |
7584 | { | |
7585 | off_t *offp = NULL; | |
7586 | off_t off; | |
7587 | if (arg3) { | |
7588 | ret = get_user_s64(off, arg3); | |
7589 | if (is_error(ret)) { | |
7590 | break; | |
7591 | } | |
7592 | offp = &off; | |
7593 | } | |
7594 | ret = get_errno(sendfile(arg1, arg2, offp, arg4)); | |
7595 | if (!is_error(ret) && arg3) { | |
7596 | abi_long ret2 = put_user_s64(off, arg3); | |
7597 | if (is_error(ret2)) { | |
7598 | ret = ret2; | |
7599 | } | |
7600 | } | |
7601 | break; | |
7602 | } | |
7603 | #endif | |
7604 | #else | |
31e31b8a | 7605 | case TARGET_NR_sendfile: |
a8fd1aba PM |
7606 | #ifdef TARGET_NR_sendfile64: |
7607 | case TARGET_NR_sendfile64: | |
7608 | #endif | |
5cd4393b | 7609 | goto unimplemented; |
a8fd1aba PM |
7610 | #endif |
7611 | ||
ebc05488 | 7612 | #ifdef TARGET_NR_getpmsg |
31e31b8a | 7613 | case TARGET_NR_getpmsg: |
5cd4393b | 7614 | goto unimplemented; |
ebc05488 FB |
7615 | #endif |
7616 | #ifdef TARGET_NR_putpmsg | |
31e31b8a | 7617 | case TARGET_NR_putpmsg: |
5cd4393b | 7618 | goto unimplemented; |
ebc05488 | 7619 | #endif |
048f6b4d | 7620 | #ifdef TARGET_NR_vfork |
31e31b8a | 7621 | case TARGET_NR_vfork: |
d865bab5 PB |
7622 | ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, |
7623 | 0, 0, 0, 0)); | |
31e31b8a | 7624 | break; |
048f6b4d | 7625 | #endif |
ebc05488 | 7626 | #ifdef TARGET_NR_ugetrlimit |
31e31b8a | 7627 | case TARGET_NR_ugetrlimit: |
728584be FB |
7628 | { |
7629 | struct rlimit rlim; | |
e22b7015 WT |
7630 | int resource = target_to_host_resource(arg1); |
7631 | ret = get_errno(getrlimit(resource, &rlim)); | |
728584be | 7632 | if (!is_error(ret)) { |
53a5960a | 7633 | struct target_rlimit *target_rlim; |
579a97f7 FB |
7634 | if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
7635 | goto efault; | |
81bbe906 TY |
7636 | target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); |
7637 | target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); | |
53a5960a | 7638 | unlock_user_struct(target_rlim, arg2, 1); |
728584be FB |
7639 | } |
7640 | break; | |
7641 | } | |
ebc05488 | 7642 | #endif |
a315a145 | 7643 | #ifdef TARGET_NR_truncate64 |
31e31b8a | 7644 | case TARGET_NR_truncate64: |
579a97f7 FB |
7645 | if (!(p = lock_user_string(arg1))) |
7646 | goto efault; | |
53a5960a PB |
7647 | ret = target_truncate64(cpu_env, p, arg2, arg3, arg4); |
7648 | unlock_user(p, arg1, 0); | |
667f38b1 | 7649 | break; |
a315a145 FB |
7650 | #endif |
7651 | #ifdef TARGET_NR_ftruncate64 | |
31e31b8a | 7652 | case TARGET_NR_ftruncate64: |
ce4defa0 | 7653 | ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); |
667f38b1 | 7654 | break; |
a315a145 FB |
7655 | #endif |
7656 | #ifdef TARGET_NR_stat64 | |
31e31b8a | 7657 | case TARGET_NR_stat64: |
579a97f7 FB |
7658 | if (!(p = lock_user_string(arg1))) |
7659 | goto efault; | |
53a5960a PB |
7660 | ret = get_errno(stat(path(p), &st)); |
7661 | unlock_user(p, arg1, 0); | |
6a24a778 AZ |
7662 | if (!is_error(ret)) |
7663 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
7664 | break; | |
a315a145 FB |
7665 | #endif |
7666 | #ifdef TARGET_NR_lstat64 | |
31e31b8a | 7667 | case TARGET_NR_lstat64: |
579a97f7 FB |
7668 | if (!(p = lock_user_string(arg1))) |
7669 | goto efault; | |
53a5960a PB |
7670 | ret = get_errno(lstat(path(p), &st)); |
7671 | unlock_user(p, arg1, 0); | |
6a24a778 AZ |
7672 | if (!is_error(ret)) |
7673 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
7674 | break; | |
a315a145 FB |
7675 | #endif |
7676 | #ifdef TARGET_NR_fstat64 | |
31e31b8a | 7677 | case TARGET_NR_fstat64: |
6a24a778 AZ |
7678 | ret = get_errno(fstat(arg1, &st)); |
7679 | if (!is_error(ret)) | |
7680 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
7681 | break; | |
ce4defa0 | 7682 | #endif |
9d33b76b AJ |
7683 | #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \ |
7684 | (defined(__NR_fstatat64) || defined(__NR_newfstatat)) | |
7685 | #ifdef TARGET_NR_fstatat64 | |
6a24a778 | 7686 | case TARGET_NR_fstatat64: |
9d33b76b AJ |
7687 | #endif |
7688 | #ifdef TARGET_NR_newfstatat | |
7689 | case TARGET_NR_newfstatat: | |
7690 | #endif | |
6a24a778 AZ |
7691 | if (!(p = lock_user_string(arg2))) |
7692 | goto efault; | |
9d33b76b | 7693 | #ifdef __NR_fstatat64 |
6a24a778 | 7694 | ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4)); |
9d33b76b AJ |
7695 | #else |
7696 | ret = get_errno(sys_newfstatat(arg1, path(p), &st, arg4)); | |
7697 | #endif | |
6a24a778 AZ |
7698 | if (!is_error(ret)) |
7699 | ret = host_to_target_stat64(cpu_env, arg3, &st); | |
60cd49d5 | 7700 | break; |
a315a145 | 7701 | #endif |
67867308 | 7702 | case TARGET_NR_lchown: |
579a97f7 FB |
7703 | if (!(p = lock_user_string(arg1))) |
7704 | goto efault; | |
53a5960a PB |
7705 | ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); |
7706 | unlock_user(p, arg1, 0); | |
67867308 | 7707 | break; |
0c866a7e | 7708 | #ifdef TARGET_NR_getuid |
67867308 FB |
7709 | case TARGET_NR_getuid: |
7710 | ret = get_errno(high2lowuid(getuid())); | |
7711 | break; | |
0c866a7e RV |
7712 | #endif |
7713 | #ifdef TARGET_NR_getgid | |
67867308 FB |
7714 | case TARGET_NR_getgid: |
7715 | ret = get_errno(high2lowgid(getgid())); | |
7716 | break; | |
0c866a7e RV |
7717 | #endif |
7718 | #ifdef TARGET_NR_geteuid | |
67867308 FB |
7719 | case TARGET_NR_geteuid: |
7720 | ret = get_errno(high2lowuid(geteuid())); | |
7721 | break; | |
0c866a7e RV |
7722 | #endif |
7723 | #ifdef TARGET_NR_getegid | |
67867308 FB |
7724 | case TARGET_NR_getegid: |
7725 | ret = get_errno(high2lowgid(getegid())); | |
7726 | break; | |
0c866a7e | 7727 | #endif |
67867308 FB |
7728 | case TARGET_NR_setreuid: |
7729 | ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); | |
7730 | break; | |
7731 | case TARGET_NR_setregid: | |
7732 | ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); | |
7733 | break; | |
7734 | case TARGET_NR_getgroups: | |
7735 | { | |
7736 | int gidsetsize = arg1; | |
0c866a7e | 7737 | target_id *target_grouplist; |
67867308 FB |
7738 | gid_t *grouplist; |
7739 | int i; | |
7740 | ||
7741 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
7742 | ret = get_errno(getgroups(gidsetsize, grouplist)); | |
cb3bc233 AZ |
7743 | if (gidsetsize == 0) |
7744 | break; | |
67867308 | 7745 | if (!is_error(ret)) { |
579a97f7 FB |
7746 | target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0); |
7747 | if (!target_grouplist) | |
7748 | goto efault; | |
a2155fcc | 7749 | for(i = 0;i < ret; i++) |
0c866a7e | 7750 | target_grouplist[i] = tswapid(high2lowgid(grouplist[i])); |
53a5960a | 7751 | unlock_user(target_grouplist, arg2, gidsetsize * 2); |
67867308 FB |
7752 | } |
7753 | } | |
7754 | break; | |
7755 | case TARGET_NR_setgroups: | |
7756 | { | |
7757 | int gidsetsize = arg1; | |
0c866a7e | 7758 | target_id *target_grouplist; |
f2b79ce9 | 7759 | gid_t *grouplist = NULL; |
67867308 | 7760 | int i; |
f2b79ce9 DA |
7761 | if (gidsetsize) { |
7762 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
7763 | target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1); | |
7764 | if (!target_grouplist) { | |
7765 | ret = -TARGET_EFAULT; | |
7766 | goto fail; | |
7767 | } | |
7768 | for (i = 0; i < gidsetsize; i++) { | |
7769 | grouplist[i] = low2highgid(tswapid(target_grouplist[i])); | |
7770 | } | |
7771 | unlock_user(target_grouplist, arg2, 0); | |
579a97f7 | 7772 | } |
67867308 FB |
7773 | ret = get_errno(setgroups(gidsetsize, grouplist)); |
7774 | } | |
7775 | break; | |
7776 | case TARGET_NR_fchown: | |
7777 | ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); | |
7778 | break; | |
ccfa72b7 TS |
7779 | #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) |
7780 | case TARGET_NR_fchownat: | |
579a97f7 FB |
7781 | if (!(p = lock_user_string(arg2))) |
7782 | goto efault; | |
7783 | ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5)); | |
7784 | unlock_user(p, arg2, 0); | |
ccfa72b7 TS |
7785 | break; |
7786 | #endif | |
67867308 FB |
7787 | #ifdef TARGET_NR_setresuid |
7788 | case TARGET_NR_setresuid: | |
5fafdf24 TS |
7789 | ret = get_errno(setresuid(low2highuid(arg1), |
7790 | low2highuid(arg2), | |
67867308 FB |
7791 | low2highuid(arg3))); |
7792 | break; | |
7793 | #endif | |
7794 | #ifdef TARGET_NR_getresuid | |
7795 | case TARGET_NR_getresuid: | |
7796 | { | |
53a5960a | 7797 | uid_t ruid, euid, suid; |
67867308 FB |
7798 | ret = get_errno(getresuid(&ruid, &euid, &suid)); |
7799 | if (!is_error(ret)) { | |
2f619698 FB |
7800 | if (put_user_u16(high2lowuid(ruid), arg1) |
7801 | || put_user_u16(high2lowuid(euid), arg2) | |
7802 | || put_user_u16(high2lowuid(suid), arg3)) | |
7803 | goto efault; | |
67867308 FB |
7804 | } |
7805 | } | |
7806 | break; | |
7807 | #endif | |
7808 | #ifdef TARGET_NR_getresgid | |
7809 | case TARGET_NR_setresgid: | |
5fafdf24 TS |
7810 | ret = get_errno(setresgid(low2highgid(arg1), |
7811 | low2highgid(arg2), | |
67867308 FB |
7812 | low2highgid(arg3))); |
7813 | break; | |
7814 | #endif | |
7815 | #ifdef TARGET_NR_getresgid | |
7816 | case TARGET_NR_getresgid: | |
7817 | { | |
53a5960a | 7818 | gid_t rgid, egid, sgid; |
67867308 FB |
7819 | ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
7820 | if (!is_error(ret)) { | |
2f619698 FB |
7821 | if (put_user_u16(high2lowgid(rgid), arg1) |
7822 | || put_user_u16(high2lowgid(egid), arg2) | |
7823 | || put_user_u16(high2lowgid(sgid), arg3)) | |
7824 | goto efault; | |
67867308 FB |
7825 | } |
7826 | } | |
7827 | break; | |
7828 | #endif | |
7829 | case TARGET_NR_chown: | |
579a97f7 FB |
7830 | if (!(p = lock_user_string(arg1))) |
7831 | goto efault; | |
53a5960a PB |
7832 | ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3))); |
7833 | unlock_user(p, arg1, 0); | |
67867308 FB |
7834 | break; |
7835 | case TARGET_NR_setuid: | |
7836 | ret = get_errno(setuid(low2highuid(arg1))); | |
7837 | break; | |
7838 | case TARGET_NR_setgid: | |
7839 | ret = get_errno(setgid(low2highgid(arg1))); | |
7840 | break; | |
7841 | case TARGET_NR_setfsuid: | |
7842 | ret = get_errno(setfsuid(arg1)); | |
7843 | break; | |
7844 | case TARGET_NR_setfsgid: | |
7845 | ret = get_errno(setfsgid(arg1)); | |
7846 | break; | |
67867308 | 7847 | |
a315a145 | 7848 | #ifdef TARGET_NR_lchown32 |
31e31b8a | 7849 | case TARGET_NR_lchown32: |
579a97f7 FB |
7850 | if (!(p = lock_user_string(arg1))) |
7851 | goto efault; | |
53a5960a PB |
7852 | ret = get_errno(lchown(p, arg2, arg3)); |
7853 | unlock_user(p, arg1, 0); | |
b03c60f3 | 7854 | break; |
a315a145 FB |
7855 | #endif |
7856 | #ifdef TARGET_NR_getuid32 | |
31e31b8a | 7857 | case TARGET_NR_getuid32: |
b03c60f3 FB |
7858 | ret = get_errno(getuid()); |
7859 | break; | |
a315a145 | 7860 | #endif |
64b4d28c AJ |
7861 | |
7862 | #if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA) | |
7863 | /* Alpha specific */ | |
7864 | case TARGET_NR_getxuid: | |
ba0e276d RH |
7865 | { |
7866 | uid_t euid; | |
7867 | euid=geteuid(); | |
7868 | ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid; | |
7869 | } | |
64b4d28c AJ |
7870 | ret = get_errno(getuid()); |
7871 | break; | |
7872 | #endif | |
7873 | #if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA) | |
7874 | /* Alpha specific */ | |
7875 | case TARGET_NR_getxgid: | |
ba0e276d RH |
7876 | { |
7877 | uid_t egid; | |
7878 | egid=getegid(); | |
7879 | ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid; | |
7880 | } | |
64b4d28c AJ |
7881 | ret = get_errno(getgid()); |
7882 | break; | |
7883 | #endif | |
ba0e276d RH |
7884 | #if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA) |
7885 | /* Alpha specific */ | |
7886 | case TARGET_NR_osf_getsysinfo: | |
7887 | ret = -TARGET_EOPNOTSUPP; | |
7888 | switch (arg1) { | |
7889 | case TARGET_GSI_IEEE_FP_CONTROL: | |
7890 | { | |
7891 | uint64_t swcr, fpcr = cpu_alpha_load_fpcr (cpu_env); | |
7892 | ||
7893 | /* Copied from linux ieee_fpcr_to_swcr. */ | |
7894 | swcr = (fpcr >> 35) & SWCR_STATUS_MASK; | |
7895 | swcr |= (fpcr >> 36) & SWCR_MAP_DMZ; | |
7896 | swcr |= (~fpcr >> 48) & (SWCR_TRAP_ENABLE_INV | |
7897 | | SWCR_TRAP_ENABLE_DZE | |
7898 | | SWCR_TRAP_ENABLE_OVF); | |
7899 | swcr |= (~fpcr >> 57) & (SWCR_TRAP_ENABLE_UNF | |
7900 | | SWCR_TRAP_ENABLE_INE); | |
7901 | swcr |= (fpcr >> 47) & SWCR_MAP_UMZ; | |
7902 | swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO; | |
7903 | ||
7904 | if (put_user_u64 (swcr, arg2)) | |
7905 | goto efault; | |
7906 | ret = 0; | |
7907 | } | |
7908 | break; | |
7909 | ||
7910 | /* case GSI_IEEE_STATE_AT_SIGNAL: | |
7911 | -- Not implemented in linux kernel. | |
7912 | case GSI_UACPROC: | |
7913 | -- Retrieves current unaligned access state; not much used. | |
7914 | case GSI_PROC_TYPE: | |
7915 | -- Retrieves implver information; surely not used. | |
7916 | case GSI_GET_HWRPB: | |
7917 | -- Grabs a copy of the HWRPB; surely not used. | |
7918 | */ | |
7919 | } | |
7920 | break; | |
7921 | #endif | |
7922 | #if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA) | |
7923 | /* Alpha specific */ | |
7924 | case TARGET_NR_osf_setsysinfo: | |
7925 | ret = -TARGET_EOPNOTSUPP; | |
7926 | switch (arg1) { | |
7927 | case TARGET_SSI_IEEE_FP_CONTROL: | |
ba0e276d RH |
7928 | { |
7929 | uint64_t swcr, fpcr, orig_fpcr; | |
7930 | ||
6e06d515 | 7931 | if (get_user_u64 (swcr, arg2)) { |
ba0e276d | 7932 | goto efault; |
6e06d515 RH |
7933 | } |
7934 | orig_fpcr = cpu_alpha_load_fpcr(cpu_env); | |
ba0e276d RH |
7935 | fpcr = orig_fpcr & FPCR_DYN_MASK; |
7936 | ||
7937 | /* Copied from linux ieee_swcr_to_fpcr. */ | |
7938 | fpcr |= (swcr & SWCR_STATUS_MASK) << 35; | |
7939 | fpcr |= (swcr & SWCR_MAP_DMZ) << 36; | |
7940 | fpcr |= (~swcr & (SWCR_TRAP_ENABLE_INV | |
7941 | | SWCR_TRAP_ENABLE_DZE | |
7942 | | SWCR_TRAP_ENABLE_OVF)) << 48; | |
7943 | fpcr |= (~swcr & (SWCR_TRAP_ENABLE_UNF | |
7944 | | SWCR_TRAP_ENABLE_INE)) << 57; | |
7945 | fpcr |= (swcr & SWCR_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0); | |
7946 | fpcr |= (~swcr & SWCR_TRAP_ENABLE_DNO) << 41; | |
7947 | ||
6e06d515 | 7948 | cpu_alpha_store_fpcr(cpu_env, fpcr); |
ba0e276d | 7949 | ret = 0; |
6e06d515 RH |
7950 | } |
7951 | break; | |
7952 | ||
7953 | case TARGET_SSI_IEEE_RAISE_EXCEPTION: | |
7954 | { | |
7955 | uint64_t exc, fpcr, orig_fpcr; | |
7956 | int si_code; | |
7957 | ||
7958 | if (get_user_u64(exc, arg2)) { | |
7959 | goto efault; | |
7960 | } | |
ba0e276d | 7961 | |
6e06d515 | 7962 | orig_fpcr = cpu_alpha_load_fpcr(cpu_env); |
ba0e276d | 7963 | |
6e06d515 RH |
7964 | /* We only add to the exception status here. */ |
7965 | fpcr = orig_fpcr | ((exc & SWCR_STATUS_MASK) << 35); | |
7966 | ||
7967 | cpu_alpha_store_fpcr(cpu_env, fpcr); | |
7968 | ret = 0; | |
7969 | ||
7970 | /* Old exceptions are not signaled. */ | |
7971 | fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK); | |
7972 | ||
7973 | /* If any exceptions set by this call, | |
7974 | and are unmasked, send a signal. */ | |
7975 | si_code = 0; | |
7976 | if ((fpcr & (FPCR_INE | FPCR_INED)) == FPCR_INE) { | |
7977 | si_code = TARGET_FPE_FLTRES; | |
7978 | } | |
7979 | if ((fpcr & (FPCR_UNF | FPCR_UNFD)) == FPCR_UNF) { | |
7980 | si_code = TARGET_FPE_FLTUND; | |
7981 | } | |
7982 | if ((fpcr & (FPCR_OVF | FPCR_OVFD)) == FPCR_OVF) { | |
7983 | si_code = TARGET_FPE_FLTOVF; | |
7984 | } | |
7985 | if ((fpcr & (FPCR_DZE | FPCR_DZED)) == FPCR_DZE) { | |
7986 | si_code = TARGET_FPE_FLTDIV; | |
7987 | } | |
7988 | if ((fpcr & (FPCR_INV | FPCR_INVD)) == FPCR_INV) { | |
7989 | si_code = TARGET_FPE_FLTINV; | |
7990 | } | |
7991 | if (si_code != 0) { | |
7992 | target_siginfo_t info; | |
7993 | info.si_signo = SIGFPE; | |
7994 | info.si_errno = 0; | |
7995 | info.si_code = si_code; | |
7996 | info._sifields._sigfault._addr | |
7997 | = ((CPUArchState *)cpu_env)->pc; | |
7998 | queue_signal((CPUArchState *)cpu_env, info.si_signo, &info); | |
ba0e276d RH |
7999 | } |
8000 | } | |
8001 | break; | |
8002 | ||
8003 | /* case SSI_NVPAIRS: | |
8004 | -- Used with SSIN_UACPROC to enable unaligned accesses. | |
8005 | case SSI_IEEE_STATE_AT_SIGNAL: | |
8006 | case SSI_IEEE_IGNORE_STATE_AT_SIGNAL: | |
8007 | -- Not implemented in linux kernel | |
8008 | */ | |
8009 | } | |
8010 | break; | |
8011 | #endif | |
8012 | #ifdef TARGET_NR_osf_sigprocmask | |
8013 | /* Alpha specific. */ | |
8014 | case TARGET_NR_osf_sigprocmask: | |
8015 | { | |
8016 | abi_ulong mask; | |
bc088ba1 | 8017 | int how; |
ba0e276d RH |
8018 | sigset_t set, oldset; |
8019 | ||
8020 | switch(arg1) { | |
8021 | case TARGET_SIG_BLOCK: | |
8022 | how = SIG_BLOCK; | |
8023 | break; | |
8024 | case TARGET_SIG_UNBLOCK: | |
8025 | how = SIG_UNBLOCK; | |
8026 | break; | |
8027 | case TARGET_SIG_SETMASK: | |
8028 | how = SIG_SETMASK; | |
8029 | break; | |
8030 | default: | |
8031 | ret = -TARGET_EINVAL; | |
8032 | goto fail; | |
8033 | } | |
8034 | mask = arg2; | |
8035 | target_to_host_old_sigset(&set, &mask); | |
bc088ba1 | 8036 | sigprocmask(how, &set, &oldset); |
ba0e276d RH |
8037 | host_to_target_old_sigset(&mask, &oldset); |
8038 | ret = mask; | |
8039 | } | |
8040 | break; | |
8041 | #endif | |
64b4d28c | 8042 | |
a315a145 | 8043 | #ifdef TARGET_NR_getgid32 |
31e31b8a | 8044 | case TARGET_NR_getgid32: |
b03c60f3 FB |
8045 | ret = get_errno(getgid()); |
8046 | break; | |
a315a145 FB |
8047 | #endif |
8048 | #ifdef TARGET_NR_geteuid32 | |
31e31b8a | 8049 | case TARGET_NR_geteuid32: |
b03c60f3 FB |
8050 | ret = get_errno(geteuid()); |
8051 | break; | |
a315a145 FB |
8052 | #endif |
8053 | #ifdef TARGET_NR_getegid32 | |
31e31b8a | 8054 | case TARGET_NR_getegid32: |
b03c60f3 FB |
8055 | ret = get_errno(getegid()); |
8056 | break; | |
a315a145 FB |
8057 | #endif |
8058 | #ifdef TARGET_NR_setreuid32 | |
31e31b8a | 8059 | case TARGET_NR_setreuid32: |
b03c60f3 FB |
8060 | ret = get_errno(setreuid(arg1, arg2)); |
8061 | break; | |
a315a145 FB |
8062 | #endif |
8063 | #ifdef TARGET_NR_setregid32 | |
31e31b8a | 8064 | case TARGET_NR_setregid32: |
b03c60f3 FB |
8065 | ret = get_errno(setregid(arg1, arg2)); |
8066 | break; | |
a315a145 FB |
8067 | #endif |
8068 | #ifdef TARGET_NR_getgroups32 | |
31e31b8a | 8069 | case TARGET_NR_getgroups32: |
99c475ab FB |
8070 | { |
8071 | int gidsetsize = arg1; | |
53a5960a | 8072 | uint32_t *target_grouplist; |
99c475ab FB |
8073 | gid_t *grouplist; |
8074 | int i; | |
8075 | ||
8076 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
8077 | ret = get_errno(getgroups(gidsetsize, grouplist)); | |
cb3bc233 AZ |
8078 | if (gidsetsize == 0) |
8079 | break; | |
99c475ab | 8080 | if (!is_error(ret)) { |
579a97f7 FB |
8081 | target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0); |
8082 | if (!target_grouplist) { | |
8083 | ret = -TARGET_EFAULT; | |
8084 | goto fail; | |
8085 | } | |
a2155fcc | 8086 | for(i = 0;i < ret; i++) |
53a5960a PB |
8087 | target_grouplist[i] = tswap32(grouplist[i]); |
8088 | unlock_user(target_grouplist, arg2, gidsetsize * 4); | |
99c475ab FB |
8089 | } |
8090 | } | |
8091 | break; | |
a315a145 FB |
8092 | #endif |
8093 | #ifdef TARGET_NR_setgroups32 | |
31e31b8a | 8094 | case TARGET_NR_setgroups32: |
99c475ab FB |
8095 | { |
8096 | int gidsetsize = arg1; | |
53a5960a | 8097 | uint32_t *target_grouplist; |
99c475ab FB |
8098 | gid_t *grouplist; |
8099 | int i; | |
3b46e624 | 8100 | |
99c475ab | 8101 | grouplist = alloca(gidsetsize * sizeof(gid_t)); |
579a97f7 FB |
8102 | target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1); |
8103 | if (!target_grouplist) { | |
8104 | ret = -TARGET_EFAULT; | |
8105 | goto fail; | |
8106 | } | |
99c475ab | 8107 | for(i = 0;i < gidsetsize; i++) |
53a5960a PB |
8108 | grouplist[i] = tswap32(target_grouplist[i]); |
8109 | unlock_user(target_grouplist, arg2, 0); | |
99c475ab FB |
8110 | ret = get_errno(setgroups(gidsetsize, grouplist)); |
8111 | } | |
8112 | break; | |
a315a145 FB |
8113 | #endif |
8114 | #ifdef TARGET_NR_fchown32 | |
31e31b8a | 8115 | case TARGET_NR_fchown32: |
b03c60f3 FB |
8116 | ret = get_errno(fchown(arg1, arg2, arg3)); |
8117 | break; | |
a315a145 FB |
8118 | #endif |
8119 | #ifdef TARGET_NR_setresuid32 | |
31e31b8a | 8120 | case TARGET_NR_setresuid32: |
b03c60f3 FB |
8121 | ret = get_errno(setresuid(arg1, arg2, arg3)); |
8122 | break; | |
a315a145 FB |
8123 | #endif |
8124 | #ifdef TARGET_NR_getresuid32 | |
31e31b8a | 8125 | case TARGET_NR_getresuid32: |
b03c60f3 | 8126 | { |
53a5960a | 8127 | uid_t ruid, euid, suid; |
b03c60f3 FB |
8128 | ret = get_errno(getresuid(&ruid, &euid, &suid)); |
8129 | if (!is_error(ret)) { | |
2f619698 FB |
8130 | if (put_user_u32(ruid, arg1) |
8131 | || put_user_u32(euid, arg2) | |
8132 | || put_user_u32(suid, arg3)) | |
8133 | goto efault; | |
b03c60f3 FB |
8134 | } |
8135 | } | |
8136 | break; | |
a315a145 FB |
8137 | #endif |
8138 | #ifdef TARGET_NR_setresgid32 | |
31e31b8a | 8139 | case TARGET_NR_setresgid32: |
b03c60f3 FB |
8140 | ret = get_errno(setresgid(arg1, arg2, arg3)); |
8141 | break; | |
a315a145 FB |
8142 | #endif |
8143 | #ifdef TARGET_NR_getresgid32 | |
31e31b8a | 8144 | case TARGET_NR_getresgid32: |
b03c60f3 | 8145 | { |
53a5960a | 8146 | gid_t rgid, egid, sgid; |
b03c60f3 FB |
8147 | ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
8148 | if (!is_error(ret)) { | |
2f619698 FB |
8149 | if (put_user_u32(rgid, arg1) |
8150 | || put_user_u32(egid, arg2) | |
8151 | || put_user_u32(sgid, arg3)) | |
8152 | goto efault; | |
b03c60f3 FB |
8153 | } |
8154 | } | |
8155 | break; | |
a315a145 FB |
8156 | #endif |
8157 | #ifdef TARGET_NR_chown32 | |
31e31b8a | 8158 | case TARGET_NR_chown32: |
579a97f7 FB |
8159 | if (!(p = lock_user_string(arg1))) |
8160 | goto efault; | |
53a5960a PB |
8161 | ret = get_errno(chown(p, arg2, arg3)); |
8162 | unlock_user(p, arg1, 0); | |
b03c60f3 | 8163 | break; |
a315a145 FB |
8164 | #endif |
8165 | #ifdef TARGET_NR_setuid32 | |
31e31b8a | 8166 | case TARGET_NR_setuid32: |
b03c60f3 FB |
8167 | ret = get_errno(setuid(arg1)); |
8168 | break; | |
a315a145 FB |
8169 | #endif |
8170 | #ifdef TARGET_NR_setgid32 | |
31e31b8a | 8171 | case TARGET_NR_setgid32: |
b03c60f3 FB |
8172 | ret = get_errno(setgid(arg1)); |
8173 | break; | |
a315a145 FB |
8174 | #endif |
8175 | #ifdef TARGET_NR_setfsuid32 | |
31e31b8a | 8176 | case TARGET_NR_setfsuid32: |
b03c60f3 FB |
8177 | ret = get_errno(setfsuid(arg1)); |
8178 | break; | |
a315a145 FB |
8179 | #endif |
8180 | #ifdef TARGET_NR_setfsgid32 | |
31e31b8a | 8181 | case TARGET_NR_setfsgid32: |
b03c60f3 FB |
8182 | ret = get_errno(setfsgid(arg1)); |
8183 | break; | |
a315a145 | 8184 | #endif |
67867308 | 8185 | |
31e31b8a | 8186 | case TARGET_NR_pivot_root: |
b03c60f3 | 8187 | goto unimplemented; |
ffa65c3b | 8188 | #ifdef TARGET_NR_mincore |
31e31b8a | 8189 | case TARGET_NR_mincore: |
04bb9ace AJ |
8190 | { |
8191 | void *a; | |
8192 | ret = -TARGET_EFAULT; | |
8193 | if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0))) | |
8194 | goto efault; | |
8195 | if (!(p = lock_user_string(arg3))) | |
8196 | goto mincore_fail; | |
8197 | ret = get_errno(mincore(a, arg2, p)); | |
8198 | unlock_user(p, arg3, ret); | |
8199 | mincore_fail: | |
8200 | unlock_user(a, arg1, 0); | |
8201 | } | |
8202 | break; | |
ffa65c3b | 8203 | #endif |
408321b6 AJ |
8204 | #ifdef TARGET_NR_arm_fadvise64_64 |
8205 | case TARGET_NR_arm_fadvise64_64: | |
8206 | { | |
8207 | /* | |
8208 | * arm_fadvise64_64 looks like fadvise64_64 but | |
8209 | * with different argument order | |
8210 | */ | |
8211 | abi_long temp; | |
8212 | temp = arg3; | |
8213 | arg3 = arg4; | |
8214 | arg4 = temp; | |
8215 | } | |
8216 | #endif | |
e72d2cc7 | 8217 | #if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64) |
408321b6 AJ |
8218 | #ifdef TARGET_NR_fadvise64_64 |
8219 | case TARGET_NR_fadvise64_64: | |
8220 | #endif | |
e72d2cc7 UH |
8221 | #ifdef TARGET_NR_fadvise64 |
8222 | case TARGET_NR_fadvise64: | |
8223 | #endif | |
8224 | #ifdef TARGET_S390X | |
8225 | switch (arg4) { | |
8226 | case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */ | |
8227 | case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */ | |
8228 | case 6: arg4 = POSIX_FADV_DONTNEED; break; | |
8229 | case 7: arg4 = POSIX_FADV_NOREUSE; break; | |
8230 | default: break; | |
8231 | } | |
8232 | #endif | |
8233 | ret = -posix_fadvise(arg1, arg2, arg3, arg4); | |
408321b6 AJ |
8234 | break; |
8235 | #endif | |
ffa65c3b | 8236 | #ifdef TARGET_NR_madvise |
31e31b8a | 8237 | case TARGET_NR_madvise: |
24836689 PB |
8238 | /* A straight passthrough may not be safe because qemu sometimes |
8239 | turns private flie-backed mappings into anonymous mappings. | |
8240 | This will break MADV_DONTNEED. | |
8241 | This is a hint, so ignoring and returning success is ok. */ | |
8242 | ret = get_errno(0); | |
8243 | break; | |
ffa65c3b | 8244 | #endif |
992f48a0 | 8245 | #if TARGET_ABI_BITS == 32 |
31e31b8a | 8246 | case TARGET_NR_fcntl64: |
77e4672d | 8247 | { |
b1e341eb | 8248 | int cmd; |
77e4672d | 8249 | struct flock64 fl; |
53a5960a | 8250 | struct target_flock64 *target_fl; |
ce4defa0 | 8251 | #ifdef TARGET_ARM |
53a5960a | 8252 | struct target_eabi_flock64 *target_efl; |
ce4defa0 | 8253 | #endif |
77e4672d | 8254 | |
5f106811 | 8255 | cmd = target_to_host_fcntl_cmd(arg2); |
31b63193 PM |
8256 | if (cmd == -TARGET_EINVAL) { |
8257 | ret = cmd; | |
8258 | break; | |
8259 | } | |
b1e341eb | 8260 | |
60cd49d5 | 8261 | switch(arg2) { |
b1e341eb | 8262 | case TARGET_F_GETLK64: |
5813427b TS |
8263 | #ifdef TARGET_ARM |
8264 | if (((CPUARMState *)cpu_env)->eabi) { | |
9ee1fa2c FB |
8265 | if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1)) |
8266 | goto efault; | |
5813427b TS |
8267 | fl.l_type = tswap16(target_efl->l_type); |
8268 | fl.l_whence = tswap16(target_efl->l_whence); | |
8269 | fl.l_start = tswap64(target_efl->l_start); | |
8270 | fl.l_len = tswap64(target_efl->l_len); | |
7e22e546 | 8271 | fl.l_pid = tswap32(target_efl->l_pid); |
5813427b TS |
8272 | unlock_user_struct(target_efl, arg3, 0); |
8273 | } else | |
8274 | #endif | |
8275 | { | |
9ee1fa2c FB |
8276 | if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) |
8277 | goto efault; | |
5813427b TS |
8278 | fl.l_type = tswap16(target_fl->l_type); |
8279 | fl.l_whence = tswap16(target_fl->l_whence); | |
8280 | fl.l_start = tswap64(target_fl->l_start); | |
8281 | fl.l_len = tswap64(target_fl->l_len); | |
7e22e546 | 8282 | fl.l_pid = tswap32(target_fl->l_pid); |
5813427b TS |
8283 | unlock_user_struct(target_fl, arg3, 0); |
8284 | } | |
b1e341eb | 8285 | ret = get_errno(fcntl(arg1, cmd, &fl)); |
77e4672d | 8286 | if (ret == 0) { |
ce4defa0 PB |
8287 | #ifdef TARGET_ARM |
8288 | if (((CPUARMState *)cpu_env)->eabi) { | |
9ee1fa2c FB |
8289 | if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0)) |
8290 | goto efault; | |
ce4defa0 PB |
8291 | target_efl->l_type = tswap16(fl.l_type); |
8292 | target_efl->l_whence = tswap16(fl.l_whence); | |
8293 | target_efl->l_start = tswap64(fl.l_start); | |
8294 | target_efl->l_len = tswap64(fl.l_len); | |
7e22e546 | 8295 | target_efl->l_pid = tswap32(fl.l_pid); |
53a5960a | 8296 | unlock_user_struct(target_efl, arg3, 1); |
ce4defa0 PB |
8297 | } else |
8298 | #endif | |
8299 | { | |
9ee1fa2c FB |
8300 | if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0)) |
8301 | goto efault; | |
ce4defa0 PB |
8302 | target_fl->l_type = tswap16(fl.l_type); |
8303 | target_fl->l_whence = tswap16(fl.l_whence); | |
8304 | target_fl->l_start = tswap64(fl.l_start); | |
8305 | target_fl->l_len = tswap64(fl.l_len); | |
7e22e546 | 8306 | target_fl->l_pid = tswap32(fl.l_pid); |
53a5960a | 8307 | unlock_user_struct(target_fl, arg3, 1); |
ce4defa0 | 8308 | } |
77e4672d FB |
8309 | } |
8310 | break; | |
8311 | ||
b1e341eb TS |
8312 | case TARGET_F_SETLK64: |
8313 | case TARGET_F_SETLKW64: | |
ce4defa0 PB |
8314 | #ifdef TARGET_ARM |
8315 | if (((CPUARMState *)cpu_env)->eabi) { | |
9ee1fa2c FB |
8316 | if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1)) |
8317 | goto efault; | |
ce4defa0 PB |
8318 | fl.l_type = tswap16(target_efl->l_type); |
8319 | fl.l_whence = tswap16(target_efl->l_whence); | |
8320 | fl.l_start = tswap64(target_efl->l_start); | |
8321 | fl.l_len = tswap64(target_efl->l_len); | |
7e22e546 | 8322 | fl.l_pid = tswap32(target_efl->l_pid); |
53a5960a | 8323 | unlock_user_struct(target_efl, arg3, 0); |
ce4defa0 PB |
8324 | } else |
8325 | #endif | |
8326 | { | |
9ee1fa2c FB |
8327 | if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) |
8328 | goto efault; | |
ce4defa0 PB |
8329 | fl.l_type = tswap16(target_fl->l_type); |
8330 | fl.l_whence = tswap16(target_fl->l_whence); | |
8331 | fl.l_start = tswap64(target_fl->l_start); | |
8332 | fl.l_len = tswap64(target_fl->l_len); | |
7e22e546 | 8333 | fl.l_pid = tswap32(target_fl->l_pid); |
53a5960a | 8334 | unlock_user_struct(target_fl, arg3, 0); |
ce4defa0 | 8335 | } |
b1e341eb | 8336 | ret = get_errno(fcntl(arg1, cmd, &fl)); |
77e4672d | 8337 | break; |
60cd49d5 | 8338 | default: |
5f106811 | 8339 | ret = do_fcntl(arg1, arg2, arg3); |
60cd49d5 FB |
8340 | break; |
8341 | } | |
77e4672d FB |
8342 | break; |
8343 | } | |
60cd49d5 | 8344 | #endif |
7d600c80 TS |
8345 | #ifdef TARGET_NR_cacheflush |
8346 | case TARGET_NR_cacheflush: | |
8347 | /* self-modifying code is handled automatically, so nothing needed */ | |
8348 | ret = 0; | |
8349 | break; | |
8350 | #endif | |
ebc05488 | 8351 | #ifdef TARGET_NR_security |
31e31b8a FB |
8352 | case TARGET_NR_security: |
8353 | goto unimplemented; | |
c573ff67 FB |
8354 | #endif |
8355 | #ifdef TARGET_NR_getpagesize | |
8356 | case TARGET_NR_getpagesize: | |
8357 | ret = TARGET_PAGE_SIZE; | |
8358 | break; | |
ebc05488 | 8359 | #endif |
31e31b8a FB |
8360 | case TARGET_NR_gettid: |
8361 | ret = get_errno(gettid()); | |
8362 | break; | |
e5febef5 | 8363 | #ifdef TARGET_NR_readahead |
31e31b8a | 8364 | case TARGET_NR_readahead: |
2054ac9b | 8365 | #if TARGET_ABI_BITS == 32 |
48e515d4 | 8366 | if (regpairs_aligned(cpu_env)) { |
2054ac9b AJ |
8367 | arg2 = arg3; |
8368 | arg3 = arg4; | |
8369 | arg4 = arg5; | |
8370 | } | |
2054ac9b AJ |
8371 | ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4)); |
8372 | #else | |
8373 | ret = get_errno(readahead(arg1, arg2, arg3)); | |
8374 | #endif | |
8375 | break; | |
e5febef5 | 8376 | #endif |
a790ae38 | 8377 | #ifdef CONFIG_ATTR |
ebc05488 | 8378 | #ifdef TARGET_NR_setxattr |
31e31b8a FB |
8379 | case TARGET_NR_listxattr: |
8380 | case TARGET_NR_llistxattr: | |
fb5590f7 PM |
8381 | { |
8382 | void *p, *b = 0; | |
8383 | if (arg2) { | |
8384 | b = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
8385 | if (!b) { | |
8386 | ret = -TARGET_EFAULT; | |
8387 | break; | |
8388 | } | |
8389 | } | |
8390 | p = lock_user_string(arg1); | |
8391 | if (p) { | |
8392 | if (num == TARGET_NR_listxattr) { | |
8393 | ret = get_errno(listxattr(p, b, arg3)); | |
8394 | } else { | |
8395 | ret = get_errno(llistxattr(p, b, arg3)); | |
8396 | } | |
8397 | } else { | |
8398 | ret = -TARGET_EFAULT; | |
8399 | } | |
8400 | unlock_user(p, arg1, 0); | |
8401 | unlock_user(b, arg2, arg3); | |
8402 | break; | |
8403 | } | |
31e31b8a | 8404 | case TARGET_NR_flistxattr: |
fb5590f7 PM |
8405 | { |
8406 | void *b = 0; | |
8407 | if (arg2) { | |
8408 | b = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
8409 | if (!b) { | |
8410 | ret = -TARGET_EFAULT; | |
8411 | break; | |
8412 | } | |
8413 | } | |
8414 | ret = get_errno(flistxattr(arg1, b, arg3)); | |
8415 | unlock_user(b, arg2, arg3); | |
6f932f91 | 8416 | break; |
fb5590f7 | 8417 | } |
a790ae38 | 8418 | case TARGET_NR_setxattr: |
30297b55 | 8419 | case TARGET_NR_lsetxattr: |
a790ae38 | 8420 | { |
e3c33ec6 PM |
8421 | void *p, *n, *v = 0; |
8422 | if (arg3) { | |
8423 | v = lock_user(VERIFY_READ, arg3, arg4, 1); | |
8424 | if (!v) { | |
8425 | ret = -TARGET_EFAULT; | |
8426 | break; | |
8427 | } | |
8428 | } | |
a790ae38 ACH |
8429 | p = lock_user_string(arg1); |
8430 | n = lock_user_string(arg2); | |
e3c33ec6 | 8431 | if (p && n) { |
30297b55 PM |
8432 | if (num == TARGET_NR_setxattr) { |
8433 | ret = get_errno(setxattr(p, n, v, arg4, arg5)); | |
8434 | } else { | |
8435 | ret = get_errno(lsetxattr(p, n, v, arg4, arg5)); | |
8436 | } | |
a790ae38 ACH |
8437 | } else { |
8438 | ret = -TARGET_EFAULT; | |
8439 | } | |
8440 | unlock_user(p, arg1, 0); | |
8441 | unlock_user(n, arg2, 0); | |
8442 | unlock_user(v, arg3, 0); | |
8443 | } | |
8444 | break; | |
30297b55 PM |
8445 | case TARGET_NR_fsetxattr: |
8446 | { | |
8447 | void *n, *v = 0; | |
8448 | if (arg3) { | |
8449 | v = lock_user(VERIFY_READ, arg3, arg4, 1); | |
8450 | if (!v) { | |
8451 | ret = -TARGET_EFAULT; | |
8452 | break; | |
8453 | } | |
8454 | } | |
8455 | n = lock_user_string(arg2); | |
8456 | if (n) { | |
8457 | ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5)); | |
8458 | } else { | |
8459 | ret = -TARGET_EFAULT; | |
8460 | } | |
8461 | unlock_user(n, arg2, 0); | |
8462 | unlock_user(v, arg3, 0); | |
8463 | } | |
8464 | break; | |
a790ae38 | 8465 | case TARGET_NR_getxattr: |
30297b55 | 8466 | case TARGET_NR_lgetxattr: |
a790ae38 | 8467 | { |
e3c33ec6 PM |
8468 | void *p, *n, *v = 0; |
8469 | if (arg3) { | |
8470 | v = lock_user(VERIFY_WRITE, arg3, arg4, 0); | |
8471 | if (!v) { | |
8472 | ret = -TARGET_EFAULT; | |
8473 | break; | |
8474 | } | |
8475 | } | |
a790ae38 ACH |
8476 | p = lock_user_string(arg1); |
8477 | n = lock_user_string(arg2); | |
e3c33ec6 | 8478 | if (p && n) { |
30297b55 PM |
8479 | if (num == TARGET_NR_getxattr) { |
8480 | ret = get_errno(getxattr(p, n, v, arg4)); | |
8481 | } else { | |
8482 | ret = get_errno(lgetxattr(p, n, v, arg4)); | |
8483 | } | |
a790ae38 ACH |
8484 | } else { |
8485 | ret = -TARGET_EFAULT; | |
8486 | } | |
8487 | unlock_user(p, arg1, 0); | |
8488 | unlock_user(n, arg2, 0); | |
8489 | unlock_user(v, arg3, arg4); | |
8490 | } | |
8491 | break; | |
30297b55 PM |
8492 | case TARGET_NR_fgetxattr: |
8493 | { | |
8494 | void *n, *v = 0; | |
8495 | if (arg3) { | |
8496 | v = lock_user(VERIFY_WRITE, arg3, arg4, 0); | |
8497 | if (!v) { | |
8498 | ret = -TARGET_EFAULT; | |
8499 | break; | |
8500 | } | |
8501 | } | |
8502 | n = lock_user_string(arg2); | |
8503 | if (n) { | |
8504 | ret = get_errno(fgetxattr(arg1, n, v, arg4)); | |
8505 | } else { | |
8506 | ret = -TARGET_EFAULT; | |
8507 | } | |
8508 | unlock_user(n, arg2, 0); | |
8509 | unlock_user(v, arg3, arg4); | |
8510 | } | |
8511 | break; | |
a790ae38 | 8512 | case TARGET_NR_removexattr: |
30297b55 | 8513 | case TARGET_NR_lremovexattr: |
a790ae38 ACH |
8514 | { |
8515 | void *p, *n; | |
8516 | p = lock_user_string(arg1); | |
8517 | n = lock_user_string(arg2); | |
8518 | if (p && n) { | |
30297b55 PM |
8519 | if (num == TARGET_NR_removexattr) { |
8520 | ret = get_errno(removexattr(p, n)); | |
8521 | } else { | |
8522 | ret = get_errno(lremovexattr(p, n)); | |
8523 | } | |
a790ae38 ACH |
8524 | } else { |
8525 | ret = -TARGET_EFAULT; | |
8526 | } | |
8527 | unlock_user(p, arg1, 0); | |
8528 | unlock_user(n, arg2, 0); | |
8529 | } | |
8530 | break; | |
30297b55 PM |
8531 | case TARGET_NR_fremovexattr: |
8532 | { | |
8533 | void *n; | |
8534 | n = lock_user_string(arg2); | |
8535 | if (n) { | |
8536 | ret = get_errno(fremovexattr(arg1, n)); | |
8537 | } else { | |
8538 | ret = -TARGET_EFAULT; | |
8539 | } | |
8540 | unlock_user(n, arg2, 0); | |
8541 | } | |
8542 | break; | |
ebc05488 | 8543 | #endif |
a790ae38 | 8544 | #endif /* CONFIG_ATTR */ |
ebc05488 | 8545 | #ifdef TARGET_NR_set_thread_area |
5cd4393b | 8546 | case TARGET_NR_set_thread_area: |
8d18e893 | 8547 | #if defined(TARGET_MIPS) |
6f5b89a0 TS |
8548 | ((CPUMIPSState *) cpu_env)->tls_value = arg1; |
8549 | ret = 0; | |
8550 | break; | |
ef96779b EI |
8551 | #elif defined(TARGET_CRIS) |
8552 | if (arg1 & 0xff) | |
8553 | ret = -TARGET_EINVAL; | |
8554 | else { | |
8555 | ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1; | |
8556 | ret = 0; | |
8557 | } | |
8558 | break; | |
8d18e893 FB |
8559 | #elif defined(TARGET_I386) && defined(TARGET_ABI32) |
8560 | ret = do_set_thread_area(cpu_env, arg1); | |
8561 | break; | |
6f5b89a0 TS |
8562 | #else |
8563 | goto unimplemented_nowarn; | |
8564 | #endif | |
8565 | #endif | |
8566 | #ifdef TARGET_NR_get_thread_area | |
5cd4393b | 8567 | case TARGET_NR_get_thread_area: |
8d18e893 FB |
8568 | #if defined(TARGET_I386) && defined(TARGET_ABI32) |
8569 | ret = do_get_thread_area(cpu_env, arg1); | |
8570 | #else | |
5cd4393b | 8571 | goto unimplemented_nowarn; |
48dc41eb | 8572 | #endif |
8d18e893 | 8573 | #endif |
48dc41eb FB |
8574 | #ifdef TARGET_NR_getdomainname |
8575 | case TARGET_NR_getdomainname: | |
8576 | goto unimplemented_nowarn; | |
ebc05488 | 8577 | #endif |
6f5b89a0 | 8578 | |
b5906f95 TS |
8579 | #ifdef TARGET_NR_clock_gettime |
8580 | case TARGET_NR_clock_gettime: | |
8581 | { | |
8582 | struct timespec ts; | |
8583 | ret = get_errno(clock_gettime(arg1, &ts)); | |
8584 | if (!is_error(ret)) { | |
8585 | host_to_target_timespec(arg2, &ts); | |
8586 | } | |
8587 | break; | |
8588 | } | |
8589 | #endif | |
8590 | #ifdef TARGET_NR_clock_getres | |
8591 | case TARGET_NR_clock_getres: | |
8592 | { | |
8593 | struct timespec ts; | |
8594 | ret = get_errno(clock_getres(arg1, &ts)); | |
8595 | if (!is_error(ret)) { | |
8596 | host_to_target_timespec(arg2, &ts); | |
8597 | } | |
8598 | break; | |
8599 | } | |
8600 | #endif | |
63d7651b PB |
8601 | #ifdef TARGET_NR_clock_nanosleep |
8602 | case TARGET_NR_clock_nanosleep: | |
8603 | { | |
8604 | struct timespec ts; | |
8605 | target_to_host_timespec(&ts, arg3); | |
8606 | ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL)); | |
8607 | if (arg4) | |
8608 | host_to_target_timespec(arg4, &ts); | |
8609 | break; | |
8610 | } | |
8611 | #endif | |
b5906f95 | 8612 | |
6f5b89a0 TS |
8613 | #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) |
8614 | case TARGET_NR_set_tid_address: | |
579a97f7 FB |
8615 | ret = get_errno(set_tid_address((int *)g2h(arg1))); |
8616 | break; | |
6f5b89a0 TS |
8617 | #endif |
8618 | ||
3ae43202 | 8619 | #if defined(TARGET_NR_tkill) && defined(__NR_tkill) |
4cae1d16 | 8620 | case TARGET_NR_tkill: |
4cb05961 | 8621 | ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2))); |
4cae1d16 TS |
8622 | break; |
8623 | #endif | |
8624 | ||
3ae43202 | 8625 | #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill) |
71455574 | 8626 | case TARGET_NR_tgkill: |
4cb05961 PB |
8627 | ret = get_errno(sys_tgkill((int)arg1, (int)arg2, |
8628 | target_to_host_signal(arg3))); | |
71455574 TS |
8629 | break; |
8630 | #endif | |
8631 | ||
4f2b1fe8 TS |
8632 | #ifdef TARGET_NR_set_robust_list |
8633 | case TARGET_NR_set_robust_list: | |
e9a970a8 PM |
8634 | case TARGET_NR_get_robust_list: |
8635 | /* The ABI for supporting robust futexes has userspace pass | |
8636 | * the kernel a pointer to a linked list which is updated by | |
8637 | * userspace after the syscall; the list is walked by the kernel | |
8638 | * when the thread exits. Since the linked list in QEMU guest | |
8639 | * memory isn't a valid linked list for the host and we have | |
8640 | * no way to reliably intercept the thread-death event, we can't | |
8641 | * support these. Silently return ENOSYS so that guest userspace | |
8642 | * falls back to a non-robust futex implementation (which should | |
8643 | * be OK except in the corner case of the guest crashing while | |
8644 | * holding a mutex that is shared with another process via | |
8645 | * shared memory). | |
8646 | */ | |
8647 | goto unimplemented_nowarn; | |
4f2b1fe8 TS |
8648 | #endif |
8649 | ||
9007f0ef TS |
8650 | #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat) |
8651 | case TARGET_NR_utimensat: | |
8652 | { | |
ebc996f3 RV |
8653 | struct timespec *tsp, ts[2]; |
8654 | if (!arg3) { | |
8655 | tsp = NULL; | |
8656 | } else { | |
8657 | target_to_host_timespec(ts, arg3); | |
8658 | target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec)); | |
8659 | tsp = ts; | |
8660 | } | |
9007f0ef | 8661 | if (!arg2) |
ebc996f3 | 8662 | ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4)); |
9007f0ef | 8663 | else { |
579a97f7 | 8664 | if (!(p = lock_user_string(arg2))) { |
0da46a6e | 8665 | ret = -TARGET_EFAULT; |
579a97f7 FB |
8666 | goto fail; |
8667 | } | |
ebc996f3 | 8668 | ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4)); |
579a97f7 | 8669 | unlock_user(p, arg2, 0); |
9007f0ef TS |
8670 | } |
8671 | } | |
8672 | break; | |
8673 | #endif | |
2f7bb878 | 8674 | #if defined(CONFIG_USE_NPTL) |
bd0c5661 PB |
8675 | case TARGET_NR_futex: |
8676 | ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6); | |
8677 | break; | |
8678 | #endif | |
dbfe4c36 | 8679 | #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init) |
39b59763 AJ |
8680 | case TARGET_NR_inotify_init: |
8681 | ret = get_errno(sys_inotify_init()); | |
8682 | break; | |
8683 | #endif | |
a1606b0b | 8684 | #ifdef CONFIG_INOTIFY1 |
c05c7a73 RV |
8685 | #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1) |
8686 | case TARGET_NR_inotify_init1: | |
8687 | ret = get_errno(sys_inotify_init1(arg1)); | |
8688 | break; | |
8689 | #endif | |
a1606b0b | 8690 | #endif |
dbfe4c36 | 8691 | #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch) |
39b59763 AJ |
8692 | case TARGET_NR_inotify_add_watch: |
8693 | p = lock_user_string(arg2); | |
8694 | ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3)); | |
8695 | unlock_user(p, arg2, 0); | |
8696 | break; | |
8697 | #endif | |
dbfe4c36 | 8698 | #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch) |
39b59763 AJ |
8699 | case TARGET_NR_inotify_rm_watch: |
8700 | ret = get_errno(sys_inotify_rm_watch(arg1, arg2)); | |
8701 | break; | |
8702 | #endif | |
9007f0ef | 8703 | |
8ec9cf89 | 8704 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
24e1003a AJ |
8705 | case TARGET_NR_mq_open: |
8706 | { | |
8707 | struct mq_attr posix_mq_attr; | |
8708 | ||
8709 | p = lock_user_string(arg1 - 1); | |
8710 | if (arg4 != 0) | |
8711 | copy_from_user_mq_attr (&posix_mq_attr, arg4); | |
8712 | ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr)); | |
8713 | unlock_user (p, arg1, 0); | |
8714 | } | |
8715 | break; | |
8716 | ||
8717 | case TARGET_NR_mq_unlink: | |
8718 | p = lock_user_string(arg1 - 1); | |
8719 | ret = get_errno(mq_unlink(p)); | |
8720 | unlock_user (p, arg1, 0); | |
8721 | break; | |
8722 | ||
8723 | case TARGET_NR_mq_timedsend: | |
8724 | { | |
8725 | struct timespec ts; | |
8726 | ||
8727 | p = lock_user (VERIFY_READ, arg2, arg3, 1); | |
8728 | if (arg5 != 0) { | |
8729 | target_to_host_timespec(&ts, arg5); | |
8730 | ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts)); | |
8731 | host_to_target_timespec(arg5, &ts); | |
8732 | } | |
8733 | else | |
8734 | ret = get_errno(mq_send(arg1, p, arg3, arg4)); | |
8735 | unlock_user (p, arg2, arg3); | |
8736 | } | |
8737 | break; | |
8738 | ||
8739 | case TARGET_NR_mq_timedreceive: | |
8740 | { | |
8741 | struct timespec ts; | |
8742 | unsigned int prio; | |
8743 | ||
8744 | p = lock_user (VERIFY_READ, arg2, arg3, 1); | |
8745 | if (arg5 != 0) { | |
8746 | target_to_host_timespec(&ts, arg5); | |
8747 | ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts)); | |
8748 | host_to_target_timespec(arg5, &ts); | |
8749 | } | |
8750 | else | |
8751 | ret = get_errno(mq_receive(arg1, p, arg3, &prio)); | |
8752 | unlock_user (p, arg2, arg3); | |
8753 | if (arg4 != 0) | |
8754 | put_user_u32(prio, arg4); | |
8755 | } | |
8756 | break; | |
8757 | ||
8758 | /* Not implemented for now... */ | |
8759 | /* case TARGET_NR_mq_notify: */ | |
8760 | /* break; */ | |
8761 | ||
8762 | case TARGET_NR_mq_getsetattr: | |
8763 | { | |
8764 | struct mq_attr posix_mq_attr_in, posix_mq_attr_out; | |
8765 | ret = 0; | |
8766 | if (arg3 != 0) { | |
8767 | ret = mq_getattr(arg1, &posix_mq_attr_out); | |
8768 | copy_to_user_mq_attr(arg3, &posix_mq_attr_out); | |
8769 | } | |
8770 | if (arg2 != 0) { | |
8771 | copy_from_user_mq_attr(&posix_mq_attr_in, arg2); | |
8772 | ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out); | |
8773 | } | |
8774 | ||
8775 | } | |
8776 | break; | |
8777 | #endif | |
8778 | ||
3ce34dfb VS |
8779 | #ifdef CONFIG_SPLICE |
8780 | #ifdef TARGET_NR_tee | |
8781 | case TARGET_NR_tee: | |
8782 | { | |
8783 | ret = get_errno(tee(arg1,arg2,arg3,arg4)); | |
8784 | } | |
8785 | break; | |
8786 | #endif | |
8787 | #ifdef TARGET_NR_splice | |
8788 | case TARGET_NR_splice: | |
8789 | { | |
8790 | loff_t loff_in, loff_out; | |
8791 | loff_t *ploff_in = NULL, *ploff_out = NULL; | |
8792 | if(arg2) { | |
8793 | get_user_u64(loff_in, arg2); | |
8794 | ploff_in = &loff_in; | |
8795 | } | |
8796 | if(arg4) { | |
8797 | get_user_u64(loff_out, arg2); | |
8798 | ploff_out = &loff_out; | |
8799 | } | |
8800 | ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6)); | |
8801 | } | |
8802 | break; | |
8803 | #endif | |
8804 | #ifdef TARGET_NR_vmsplice | |
8805 | case TARGET_NR_vmsplice: | |
8806 | { | |
f287b2c2 RH |
8807 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); |
8808 | if (vec != NULL) { | |
8809 | ret = get_errno(vmsplice(arg1, vec, arg3, arg4)); | |
8810 | unlock_iovec(vec, arg2, arg3, 0); | |
8811 | } else { | |
8812 | ret = -host_to_target_errno(errno); | |
8813 | } | |
3ce34dfb VS |
8814 | } |
8815 | break; | |
8816 | #endif | |
8817 | #endif /* CONFIG_SPLICE */ | |
c2882b96 RV |
8818 | #ifdef CONFIG_EVENTFD |
8819 | #if defined(TARGET_NR_eventfd) | |
8820 | case TARGET_NR_eventfd: | |
8821 | ret = get_errno(eventfd(arg1, 0)); | |
8822 | break; | |
8823 | #endif | |
8824 | #if defined(TARGET_NR_eventfd2) | |
8825 | case TARGET_NR_eventfd2: | |
5947c697 PJ |
8826 | { |
8827 | int host_flags = arg2 & (~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC)); | |
8828 | if (arg2 & TARGET_O_NONBLOCK) { | |
8829 | host_flags |= O_NONBLOCK; | |
8830 | } | |
8831 | if (arg2 & TARGET_O_CLOEXEC) { | |
8832 | host_flags |= O_CLOEXEC; | |
8833 | } | |
8834 | ret = get_errno(eventfd(arg1, host_flags)); | |
c2882b96 | 8835 | break; |
5947c697 | 8836 | } |
c2882b96 RV |
8837 | #endif |
8838 | #endif /* CONFIG_EVENTFD */ | |
d0927938 UH |
8839 | #if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate) |
8840 | case TARGET_NR_fallocate: | |
20249ae1 AG |
8841 | #if TARGET_ABI_BITS == 32 |
8842 | ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4), | |
8843 | target_offset64(arg5, arg6))); | |
8844 | #else | |
d0927938 | 8845 | ret = get_errno(fallocate(arg1, arg2, arg3, arg4)); |
20249ae1 | 8846 | #endif |
d0927938 | 8847 | break; |
c727f47d PM |
8848 | #endif |
8849 | #if defined(CONFIG_SYNC_FILE_RANGE) | |
8850 | #if defined(TARGET_NR_sync_file_range) | |
8851 | case TARGET_NR_sync_file_range: | |
8852 | #if TARGET_ABI_BITS == 32 | |
bfcedc57 RV |
8853 | #if defined(TARGET_MIPS) |
8854 | ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4), | |
8855 | target_offset64(arg5, arg6), arg7)); | |
8856 | #else | |
c727f47d PM |
8857 | ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3), |
8858 | target_offset64(arg4, arg5), arg6)); | |
bfcedc57 | 8859 | #endif /* !TARGET_MIPS */ |
c727f47d PM |
8860 | #else |
8861 | ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4)); | |
8862 | #endif | |
8863 | break; | |
8864 | #endif | |
8865 | #if defined(TARGET_NR_sync_file_range2) | |
8866 | case TARGET_NR_sync_file_range2: | |
8867 | /* This is like sync_file_range but the arguments are reordered */ | |
8868 | #if TARGET_ABI_BITS == 32 | |
8869 | ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4), | |
8870 | target_offset64(arg5, arg6), arg2)); | |
8871 | #else | |
8872 | ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2)); | |
8873 | #endif | |
8874 | break; | |
8875 | #endif | |
3b6edd16 PM |
8876 | #endif |
8877 | #if defined(CONFIG_EPOLL) | |
8878 | #if defined(TARGET_NR_epoll_create) | |
8879 | case TARGET_NR_epoll_create: | |
8880 | ret = get_errno(epoll_create(arg1)); | |
8881 | break; | |
8882 | #endif | |
8883 | #if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1) | |
8884 | case TARGET_NR_epoll_create1: | |
8885 | ret = get_errno(epoll_create1(arg1)); | |
8886 | break; | |
8887 | #endif | |
8888 | #if defined(TARGET_NR_epoll_ctl) | |
8889 | case TARGET_NR_epoll_ctl: | |
8890 | { | |
8891 | struct epoll_event ep; | |
8892 | struct epoll_event *epp = 0; | |
8893 | if (arg4) { | |
8894 | struct target_epoll_event *target_ep; | |
8895 | if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) { | |
8896 | goto efault; | |
8897 | } | |
8898 | ep.events = tswap32(target_ep->events); | |
8899 | /* The epoll_data_t union is just opaque data to the kernel, | |
8900 | * so we transfer all 64 bits across and need not worry what | |
8901 | * actual data type it is. | |
8902 | */ | |
8903 | ep.data.u64 = tswap64(target_ep->data.u64); | |
8904 | unlock_user_struct(target_ep, arg4, 0); | |
8905 | epp = &ep; | |
8906 | } | |
8907 | ret = get_errno(epoll_ctl(arg1, arg2, arg3, epp)); | |
8908 | break; | |
8909 | } | |
8910 | #endif | |
8911 | ||
8912 | #if defined(TARGET_NR_epoll_pwait) && defined(CONFIG_EPOLL_PWAIT) | |
8913 | #define IMPLEMENT_EPOLL_PWAIT | |
8914 | #endif | |
8915 | #if defined(TARGET_NR_epoll_wait) || defined(IMPLEMENT_EPOLL_PWAIT) | |
8916 | #if defined(TARGET_NR_epoll_wait) | |
8917 | case TARGET_NR_epoll_wait: | |
8918 | #endif | |
8919 | #if defined(IMPLEMENT_EPOLL_PWAIT) | |
8920 | case TARGET_NR_epoll_pwait: | |
8921 | #endif | |
8922 | { | |
8923 | struct target_epoll_event *target_ep; | |
8924 | struct epoll_event *ep; | |
8925 | int epfd = arg1; | |
8926 | int maxevents = arg3; | |
8927 | int timeout = arg4; | |
8928 | ||
8929 | target_ep = lock_user(VERIFY_WRITE, arg2, | |
8930 | maxevents * sizeof(struct target_epoll_event), 1); | |
8931 | if (!target_ep) { | |
8932 | goto efault; | |
8933 | } | |
8934 | ||
8935 | ep = alloca(maxevents * sizeof(struct epoll_event)); | |
8936 | ||
8937 | switch (num) { | |
8938 | #if defined(IMPLEMENT_EPOLL_PWAIT) | |
8939 | case TARGET_NR_epoll_pwait: | |
8940 | { | |
8941 | target_sigset_t *target_set; | |
8942 | sigset_t _set, *set = &_set; | |
8943 | ||
8944 | if (arg5) { | |
8945 | target_set = lock_user(VERIFY_READ, arg5, | |
8946 | sizeof(target_sigset_t), 1); | |
8947 | if (!target_set) { | |
8948 | unlock_user(target_ep, arg2, 0); | |
8949 | goto efault; | |
8950 | } | |
8951 | target_to_host_sigset(set, target_set); | |
8952 | unlock_user(target_set, arg5, 0); | |
8953 | } else { | |
8954 | set = NULL; | |
8955 | } | |
8956 | ||
8957 | ret = get_errno(epoll_pwait(epfd, ep, maxevents, timeout, set)); | |
8958 | break; | |
8959 | } | |
8960 | #endif | |
8961 | #if defined(TARGET_NR_epoll_wait) | |
8962 | case TARGET_NR_epoll_wait: | |
8963 | ret = get_errno(epoll_wait(epfd, ep, maxevents, timeout)); | |
8964 | break; | |
8965 | #endif | |
8966 | default: | |
8967 | ret = -TARGET_ENOSYS; | |
8968 | } | |
8969 | if (!is_error(ret)) { | |
8970 | int i; | |
8971 | for (i = 0; i < ret; i++) { | |
8972 | target_ep[i].events = tswap32(ep[i].events); | |
8973 | target_ep[i].data.u64 = tswap64(ep[i].data.u64); | |
8974 | } | |
8975 | } | |
8976 | unlock_user(target_ep, arg2, ret * sizeof(struct target_epoll_event)); | |
8977 | break; | |
8978 | } | |
8979 | #endif | |
163a05a8 PM |
8980 | #endif |
8981 | #ifdef TARGET_NR_prlimit64 | |
8982 | case TARGET_NR_prlimit64: | |
8983 | { | |
8984 | /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */ | |
8985 | struct target_rlimit64 *target_rnew, *target_rold; | |
8986 | struct host_rlimit64 rnew, rold, *rnewp = 0; | |
8987 | if (arg3) { | |
8988 | if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) { | |
8989 | goto efault; | |
8990 | } | |
8991 | rnew.rlim_cur = tswap64(target_rnew->rlim_cur); | |
8992 | rnew.rlim_max = tswap64(target_rnew->rlim_max); | |
8993 | unlock_user_struct(target_rnew, arg3, 0); | |
8994 | rnewp = &rnew; | |
8995 | } | |
8996 | ||
8997 | ret = get_errno(sys_prlimit64(arg1, arg2, rnewp, arg4 ? &rold : 0)); | |
8998 | if (!is_error(ret) && arg4) { | |
8999 | if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) { | |
9000 | goto efault; | |
9001 | } | |
9002 | target_rold->rlim_cur = tswap64(rold.rlim_cur); | |
9003 | target_rold->rlim_max = tswap64(rold.rlim_max); | |
9004 | unlock_user_struct(target_rold, arg4, 1); | |
9005 | } | |
9006 | break; | |
9007 | } | |
3d21d29c RH |
9008 | #endif |
9009 | #ifdef TARGET_NR_gethostname | |
9010 | case TARGET_NR_gethostname: | |
9011 | { | |
9012 | char *name = lock_user(VERIFY_WRITE, arg1, arg2, 0); | |
9013 | if (name) { | |
9014 | ret = get_errno(gethostname(name, arg2)); | |
9015 | unlock_user(name, arg1, arg2); | |
9016 | } else { | |
9017 | ret = -TARGET_EFAULT; | |
9018 | } | |
9019 | break; | |
9020 | } | |
d0927938 | 9021 | #endif |
31e31b8a FB |
9022 | default: |
9023 | unimplemented: | |
5cd4393b | 9024 | gemu_log("qemu: Unsupported syscall: %d\n", num); |
4f2b1fe8 | 9025 | #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list) |
5cd4393b | 9026 | unimplemented_nowarn: |
80a9d035 | 9027 | #endif |
0da46a6e | 9028 | ret = -TARGET_ENOSYS; |
31e31b8a FB |
9029 | break; |
9030 | } | |
579a97f7 | 9031 | fail: |
c573ff67 | 9032 | #ifdef DEBUG |
0bf9e31a | 9033 | gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret); |
c573ff67 | 9034 | #endif |
b92c47c1 TS |
9035 | if(do_strace) |
9036 | print_syscall_ret(num, ret); | |
31e31b8a | 9037 | return ret; |
579a97f7 FB |
9038 | efault: |
9039 | ret = -TARGET_EFAULT; | |
9040 | goto fail; | |
31e31b8a | 9041 | } |