]>
Commit | Line | Data |
---|---|---|
c5c84d16 WL |
1 | /* |
2 | * file related system call shims and definitions | |
3 | * | |
4 | * Copyright (c) 2013 Stacey D. Son | |
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 | |
17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
9c092804 MA |
20 | #ifndef BSD_FILE_H |
21 | #define BSD_FILE_H | |
c5c84d16 WL |
22 | |
23 | #include "qemu/path.h" | |
24 | ||
77d3522b WL |
25 | #define LOCK_PATH(p, arg) \ |
26 | do { \ | |
27 | (p) = lock_user_string(arg); \ | |
28 | if ((p) == NULL) { \ | |
29 | return -TARGET_EFAULT; \ | |
30 | } \ | |
31 | } while (0) | |
32 | ||
33 | #define UNLOCK_PATH(p, arg) unlock_user(p, arg, 0) | |
34 | ||
ab5fd2d9 WL |
35 | #define LOCK_PATH2(p1, arg1, p2, arg2) \ |
36 | do { \ | |
37 | (p1) = lock_user_string(arg1); \ | |
38 | if ((p1) == NULL) { \ | |
39 | return -TARGET_EFAULT; \ | |
40 | } \ | |
41 | (p2) = lock_user_string(arg2); \ | |
42 | if ((p2) == NULL) { \ | |
43 | unlock_user(p1, arg1, 0); \ | |
44 | return -TARGET_EFAULT; \ | |
45 | } \ | |
46 | } while (0) | |
47 | ||
48 | #define UNLOCK_PATH2(p1, arg1, p2, arg2) \ | |
49 | do { \ | |
50 | unlock_user(p2, arg2, 0); \ | |
51 | unlock_user(p1, arg1, 0); \ | |
52 | } while (0) | |
77d3522b | 53 | |
c5c84d16 WL |
54 | extern struct iovec *lock_iovec(int type, abi_ulong target_addr, int count, |
55 | int copy); | |
56 | extern void unlock_iovec(struct iovec *vec, abi_ulong target_addr, int count, | |
57 | int copy); | |
58 | ||
77d3522b WL |
59 | int safe_open(const char *path, int flags, mode_t mode); |
60 | int safe_openat(int fd, const char *path, int flags, mode_t mode); | |
61 | ||
80da1b00 WL |
62 | ssize_t safe_read(int fd, void *buf, size_t nbytes); |
63 | ssize_t safe_pread(int fd, void *buf, size_t nbytes, off_t offset); | |
64 | ssize_t safe_readv(int fd, const struct iovec *iov, int iovcnt); | |
65 | ssize_t safe_preadv(int fd, const struct iovec *iov, int iovcnt, off_t offset); | |
66 | ||
770d8aba WL |
67 | ssize_t safe_write(int fd, void *buf, size_t nbytes); |
68 | ssize_t safe_pwrite(int fd, void *buf, size_t nbytes, off_t offset); | |
69 | ssize_t safe_writev(int fd, const struct iovec *iov, int iovcnt); | |
70 | ssize_t safe_pwritev(int fd, const struct iovec *iov, int iovcnt, off_t offset); | |
71 | ||
80da1b00 WL |
72 | /* read(2) */ |
73 | static abi_long do_bsd_read(abi_long arg1, abi_long arg2, abi_long arg3) | |
74 | { | |
75 | abi_long ret; | |
76 | void *p; | |
77 | ||
78 | p = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
79 | if (p == NULL) { | |
80 | return -TARGET_EFAULT; | |
81 | } | |
82 | ret = get_errno(safe_read(arg1, p, arg3)); | |
83 | unlock_user(p, arg2, ret); | |
84 | ||
85 | return ret; | |
86 | } | |
87 | ||
88 | /* pread(2) */ | |
89 | static abi_long do_bsd_pread(void *cpu_env, abi_long arg1, | |
90 | abi_long arg2, abi_long arg3, abi_long arg4, abi_long arg5, abi_long arg6) | |
91 | { | |
92 | abi_long ret; | |
93 | void *p; | |
94 | ||
95 | p = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
96 | if (p == NULL) { | |
97 | return -TARGET_EFAULT; | |
98 | } | |
99 | if (regpairs_aligned(cpu_env) != 0) { | |
100 | arg4 = arg5; | |
101 | arg5 = arg6; | |
102 | } | |
103 | ret = get_errno(safe_pread(arg1, p, arg3, target_arg64(arg4, arg5))); | |
104 | unlock_user(p, arg2, ret); | |
105 | ||
106 | return ret; | |
107 | } | |
108 | ||
109 | /* readv(2) */ | |
110 | static abi_long do_bsd_readv(abi_long arg1, abi_long arg2, abi_long arg3) | |
111 | { | |
112 | abi_long ret; | |
113 | struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0); | |
114 | ||
115 | if (vec != NULL) { | |
116 | ret = get_errno(safe_readv(arg1, vec, arg3)); | |
117 | unlock_iovec(vec, arg2, arg3, 1); | |
118 | } else { | |
119 | ret = -host_to_target_errno(errno); | |
120 | } | |
121 | ||
122 | return ret; | |
123 | } | |
124 | ||
125 | /* preadv(2) */ | |
126 | static abi_long do_bsd_preadv(void *cpu_env, abi_long arg1, | |
127 | abi_long arg2, abi_long arg3, abi_long arg4, abi_long arg5, abi_long arg6) | |
128 | { | |
129 | abi_long ret; | |
130 | struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 1); | |
131 | ||
132 | if (vec != NULL) { | |
133 | if (regpairs_aligned(cpu_env) != 0) { | |
134 | arg4 = arg5; | |
135 | arg5 = arg6; | |
136 | } | |
137 | ret = get_errno(safe_preadv(arg1, vec, arg3, target_arg64(arg4, arg5))); | |
138 | unlock_iovec(vec, arg2, arg3, 0); | |
139 | } else { | |
140 | ret = -host_to_target_errno(errno); | |
141 | } | |
142 | ||
143 | return ret; | |
144 | } | |
145 | ||
770d8aba WL |
146 | /* write(2) */ |
147 | static abi_long do_bsd_write(abi_long arg1, abi_long arg2, abi_long arg3) | |
148 | { | |
149 | abi_long nbytes, ret; | |
150 | void *p; | |
151 | ||
152 | /* nbytes < 0 implies that it was larger than SIZE_MAX. */ | |
153 | nbytes = arg3; | |
154 | if (nbytes < 0) { | |
155 | return -TARGET_EINVAL; | |
156 | } | |
157 | p = lock_user(VERIFY_READ, arg2, nbytes, 1); | |
158 | if (p == NULL) { | |
159 | return -TARGET_EFAULT; | |
160 | } | |
161 | ret = get_errno(safe_write(arg1, p, arg3)); | |
162 | unlock_user(p, arg2, 0); | |
163 | ||
164 | return ret; | |
165 | } | |
166 | ||
167 | /* pwrite(2) */ | |
168 | static abi_long do_bsd_pwrite(void *cpu_env, abi_long arg1, | |
169 | abi_long arg2, abi_long arg3, abi_long arg4, abi_long arg5, abi_long arg6) | |
170 | { | |
171 | abi_long ret; | |
172 | void *p; | |
173 | ||
174 | p = lock_user(VERIFY_READ, arg2, arg3, 1); | |
175 | if (p == NULL) { | |
176 | return -TARGET_EFAULT; | |
177 | } | |
178 | if (regpairs_aligned(cpu_env) != 0) { | |
179 | arg4 = arg5; | |
180 | arg5 = arg6; | |
181 | } | |
182 | ret = get_errno(safe_pwrite(arg1, p, arg3, target_arg64(arg4, arg5))); | |
183 | unlock_user(p, arg2, 0); | |
184 | ||
185 | return ret; | |
186 | } | |
187 | ||
188 | /* writev(2) */ | |
189 | static abi_long do_bsd_writev(abi_long arg1, abi_long arg2, abi_long arg3) | |
190 | { | |
191 | abi_long ret; | |
192 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); | |
193 | ||
194 | if (vec != NULL) { | |
195 | ret = get_errno(safe_writev(arg1, vec, arg3)); | |
196 | unlock_iovec(vec, arg2, arg3, 0); | |
197 | } else { | |
198 | ret = -host_to_target_errno(errno); | |
199 | } | |
200 | ||
201 | return ret; | |
202 | } | |
203 | ||
204 | /* pwritev(2) */ | |
205 | static abi_long do_bsd_pwritev(void *cpu_env, abi_long arg1, | |
206 | abi_long arg2, abi_long arg3, abi_long arg4, abi_long arg5, abi_long arg6) | |
207 | { | |
208 | abi_long ret; | |
209 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); | |
210 | ||
211 | if (vec != NULL) { | |
212 | if (regpairs_aligned(cpu_env) != 0) { | |
213 | arg4 = arg5; | |
214 | arg5 = arg6; | |
215 | } | |
216 | ret = get_errno(safe_pwritev(arg1, vec, arg3, target_arg64(arg4, arg5))); | |
217 | unlock_iovec(vec, arg2, arg3, 0); | |
218 | } else { | |
219 | ret = -host_to_target_errno(errno); | |
220 | } | |
221 | ||
222 | return ret; | |
223 | } | |
224 | ||
77d3522b WL |
225 | /* open(2) */ |
226 | static abi_long do_bsd_open(abi_long arg1, abi_long arg2, abi_long arg3) | |
227 | { | |
228 | abi_long ret; | |
229 | void *p; | |
230 | ||
231 | LOCK_PATH(p, arg1); | |
232 | ret = get_errno(safe_open(path(p), target_to_host_bitmask(arg2, | |
233 | fcntl_flags_tbl), arg3)); | |
234 | UNLOCK_PATH(p, arg1); | |
235 | ||
236 | return ret; | |
237 | } | |
238 | ||
239 | /* openat(2) */ | |
240 | static abi_long do_bsd_openat(abi_long arg1, abi_long arg2, | |
241 | abi_long arg3, abi_long arg4) | |
242 | { | |
243 | abi_long ret; | |
244 | void *p; | |
245 | ||
246 | LOCK_PATH(p, arg2); | |
247 | ret = get_errno(safe_openat(arg1, path(p), | |
248 | target_to_host_bitmask(arg3, fcntl_flags_tbl), arg4)); | |
249 | UNLOCK_PATH(p, arg2); | |
250 | ||
251 | return ret; | |
252 | } | |
253 | ||
254 | /* close(2) */ | |
3f1b0235 | 255 | static abi_long do_bsd_close(abi_long arg1) |
77d3522b WL |
256 | { |
257 | return get_errno(close(arg1)); | |
258 | } | |
259 | ||
a2ba6c7b WL |
260 | /* fdatasync(2) */ |
261 | static abi_long do_bsd_fdatasync(abi_long arg1) | |
262 | { | |
263 | return get_errno(fdatasync(arg1)); | |
264 | } | |
265 | ||
266 | /* fsync(2) */ | |
267 | static abi_long do_bsd_fsync(abi_long arg1) | |
268 | { | |
269 | return get_errno(fsync(arg1)); | |
270 | } | |
271 | ||
272 | /* closefrom(2) */ | |
273 | static abi_long do_bsd_closefrom(abi_long arg1) | |
274 | { | |
275 | closefrom(arg1); /* returns void */ | |
276 | return get_errno(0); | |
277 | } | |
278 | ||
65c6c4c8 WL |
279 | /* revoke(2) */ |
280 | static abi_long do_bsd_revoke(abi_long arg1) | |
281 | { | |
282 | abi_long ret; | |
283 | void *p; | |
284 | ||
285 | LOCK_PATH(p, arg1); | |
286 | ret = get_errno(revoke(p)); /* XXX path(p)? */ | |
287 | UNLOCK_PATH(p, arg1); | |
288 | ||
289 | return ret; | |
290 | } | |
291 | ||
292 | /* access(2) */ | |
293 | static abi_long do_bsd_access(abi_long arg1, abi_long arg2) | |
294 | { | |
295 | abi_long ret; | |
296 | void *p; | |
297 | ||
298 | LOCK_PATH(p, arg1); | |
299 | ret = get_errno(access(path(p), arg2)); | |
300 | UNLOCK_PATH(p, arg1); | |
301 | ||
302 | return ret; | |
303 | } | |
304 | ||
305 | /* eaccess(2) */ | |
306 | static abi_long do_bsd_eaccess(abi_long arg1, abi_long arg2) | |
307 | { | |
308 | abi_long ret; | |
309 | void *p; | |
310 | ||
311 | LOCK_PATH(p, arg1); | |
312 | ret = get_errno(eaccess(path(p), arg2)); | |
313 | UNLOCK_PATH(p, arg1); | |
314 | ||
315 | return ret; | |
316 | } | |
317 | ||
318 | /* faccessat(2) */ | |
319 | static abi_long do_bsd_faccessat(abi_long arg1, abi_long arg2, | |
320 | abi_long arg3, abi_long arg4) | |
321 | { | |
322 | abi_long ret; | |
323 | void *p; | |
324 | ||
325 | LOCK_PATH(p, arg2); | |
326 | ret = get_errno(faccessat(arg1, p, arg3, arg4)); /* XXX path(p)? */ | |
327 | UNLOCK_PATH(p, arg2); | |
328 | ||
329 | return ret; | |
330 | } | |
331 | ||
390f547e WL |
332 | /* chdir(2) */ |
333 | static abi_long do_bsd_chdir(abi_long arg1) | |
334 | { | |
335 | abi_long ret; | |
336 | void *p; | |
337 | ||
338 | LOCK_PATH(p, arg1); | |
339 | ret = get_errno(chdir(p)); /* XXX path(p)? */ | |
340 | UNLOCK_PATH(p, arg1); | |
341 | ||
342 | return ret; | |
343 | } | |
344 | ||
345 | /* fchdir(2) */ | |
346 | static abi_long do_bsd_fchdir(abi_long arg1) | |
347 | { | |
348 | return get_errno(fchdir(arg1)); | |
349 | } | |
350 | ||
ab5fd2d9 WL |
351 | /* rename(2) */ |
352 | static abi_long do_bsd_rename(abi_long arg1, abi_long arg2) | |
353 | { | |
354 | abi_long ret; | |
355 | void *p1, *p2; | |
356 | ||
357 | LOCK_PATH2(p1, arg1, p2, arg2); | |
358 | ret = get_errno(rename(p1, p2)); /* XXX path(p1), path(p2) */ | |
359 | UNLOCK_PATH2(p1, arg1, p2, arg2); | |
360 | ||
361 | return ret; | |
362 | } | |
363 | ||
364 | /* renameat(2) */ | |
365 | static abi_long do_bsd_renameat(abi_long arg1, abi_long arg2, | |
366 | abi_long arg3, abi_long arg4) | |
367 | { | |
368 | abi_long ret; | |
369 | void *p1, *p2; | |
370 | ||
371 | LOCK_PATH2(p1, arg2, p2, arg4); | |
372 | ret = get_errno(renameat(arg1, p1, arg3, p2)); | |
373 | UNLOCK_PATH2(p1, arg2, p2, arg4); | |
374 | ||
375 | return ret; | |
376 | } | |
377 | ||
2d3b7e01 WL |
378 | /* link(2) */ |
379 | static abi_long do_bsd_link(abi_long arg1, abi_long arg2) | |
380 | { | |
381 | abi_long ret; | |
382 | void *p1, *p2; | |
383 | ||
384 | LOCK_PATH2(p1, arg1, p2, arg2); | |
385 | ret = get_errno(link(p1, p2)); /* XXX path(p1), path(p2) */ | |
386 | UNLOCK_PATH2(p1, arg1, p2, arg2); | |
387 | ||
388 | return ret; | |
389 | } | |
390 | ||
391 | /* linkat(2) */ | |
392 | static abi_long do_bsd_linkat(abi_long arg1, abi_long arg2, | |
393 | abi_long arg3, abi_long arg4, abi_long arg5) | |
394 | { | |
395 | abi_long ret; | |
396 | void *p1, *p2; | |
397 | ||
398 | LOCK_PATH2(p1, arg2, p2, arg4); | |
399 | ret = get_errno(linkat(arg1, p1, arg3, p2, arg5)); | |
400 | UNLOCK_PATH2(p1, arg2, p2, arg4); | |
401 | ||
402 | return ret; | |
403 | } | |
404 | ||
405 | /* unlink(2) */ | |
406 | static abi_long do_bsd_unlink(abi_long arg1) | |
407 | { | |
408 | abi_long ret; | |
409 | void *p; | |
410 | ||
411 | LOCK_PATH(p, arg1); | |
412 | ret = get_errno(unlink(p)); /* XXX path(p) */ | |
413 | UNLOCK_PATH(p, arg1); | |
414 | ||
415 | return ret; | |
416 | } | |
417 | ||
418 | /* unlinkat(2) */ | |
419 | static abi_long do_bsd_unlinkat(abi_long arg1, abi_long arg2, | |
420 | abi_long arg3) | |
421 | { | |
422 | abi_long ret; | |
423 | void *p; | |
424 | ||
425 | LOCK_PATH(p, arg2); | |
426 | ret = get_errno(unlinkat(arg1, p, arg3)); /* XXX path(p) */ | |
427 | UNLOCK_PATH(p, arg2); | |
428 | ||
429 | return ret; | |
430 | } | |
431 | ||
1ffbd5e7 WL |
432 | /* mkdir(2) */ |
433 | static abi_long do_bsd_mkdir(abi_long arg1, abi_long arg2) | |
434 | { | |
435 | abi_long ret; | |
436 | void *p; | |
437 | ||
438 | LOCK_PATH(p, arg1); | |
439 | ret = get_errno(mkdir(p, arg2)); /* XXX path(p) */ | |
440 | UNLOCK_PATH(p, arg1); | |
441 | ||
442 | return ret; | |
443 | } | |
444 | ||
445 | /* mkdirat(2) */ | |
446 | static abi_long do_bsd_mkdirat(abi_long arg1, abi_long arg2, | |
447 | abi_long arg3) | |
448 | { | |
449 | abi_long ret; | |
450 | void *p; | |
451 | ||
452 | LOCK_PATH(p, arg2); | |
453 | ret = get_errno(mkdirat(arg1, p, arg3)); | |
454 | UNLOCK_PATH(p, arg2); | |
455 | ||
456 | return ret; | |
457 | } | |
458 | ||
6af8f76a WL |
459 | /* rmdir(2) */ |
460 | static abi_long do_bsd_rmdir(abi_long arg1) | |
461 | { | |
462 | abi_long ret; | |
463 | void *p; | |
464 | ||
465 | LOCK_PATH(p, arg1); | |
466 | ret = get_errno(rmdir(p)); /* XXX path(p)? */ | |
467 | UNLOCK_PATH(p, arg1); | |
468 | ||
469 | return ret; | |
470 | } | |
471 | ||
472 | /* undocumented __getcwd(char *buf, size_t len) system call */ | |
473 | static abi_long do_bsd___getcwd(abi_long arg1, abi_long arg2) | |
474 | { | |
475 | abi_long ret; | |
476 | void *p; | |
477 | ||
478 | p = lock_user(VERIFY_WRITE, arg1, arg2, 0); | |
479 | if (p == NULL) { | |
480 | return -TARGET_EFAULT; | |
481 | } | |
482 | ret = safe_syscall(SYS___getcwd, p, arg2); | |
483 | unlock_user(p, arg1, ret == 0 ? strlen(p) + 1 : 0); | |
484 | ||
485 | return get_errno(ret); | |
486 | } | |
487 | ||
a15699ac WL |
488 | /* dup(2) */ |
489 | static abi_long do_bsd_dup(abi_long arg1) | |
490 | { | |
491 | return get_errno(dup(arg1)); | |
492 | } | |
493 | ||
494 | /* dup2(2) */ | |
495 | static abi_long do_bsd_dup2(abi_long arg1, abi_long arg2) | |
496 | { | |
497 | return get_errno(dup2(arg1, arg2)); | |
498 | } | |
499 | ||
4b795b14 WL |
500 | /* truncate(2) */ |
501 | static abi_long do_bsd_truncate(void *cpu_env, abi_long arg1, | |
502 | abi_long arg2, abi_long arg3, abi_long arg4) | |
503 | { | |
504 | abi_long ret; | |
505 | void *p; | |
506 | ||
507 | LOCK_PATH(p, arg1); | |
508 | if (regpairs_aligned(cpu_env) != 0) { | |
509 | arg2 = arg3; | |
510 | arg3 = arg4; | |
511 | } | |
512 | ret = get_errno(truncate(p, target_arg64(arg2, arg3))); | |
513 | UNLOCK_PATH(p, arg1); | |
514 | ||
515 | return ret; | |
516 | } | |
517 | ||
518 | /* ftruncate(2) */ | |
519 | static abi_long do_bsd_ftruncate(void *cpu_env, abi_long arg1, | |
520 | abi_long arg2, abi_long arg3, abi_long arg4) | |
521 | { | |
522 | if (regpairs_aligned(cpu_env) != 0) { | |
523 | arg2 = arg3; | |
524 | arg3 = arg4; | |
525 | } | |
526 | return get_errno(ftruncate(arg1, target_arg64(arg2, arg3))); | |
527 | } | |
528 | ||
d35020ed WL |
529 | /* acct(2) */ |
530 | static abi_long do_bsd_acct(abi_long arg1) | |
531 | { | |
532 | abi_long ret; | |
533 | void *p; | |
534 | ||
535 | if (arg1 == 0) { | |
536 | ret = get_errno(acct(NULL)); | |
537 | } else { | |
538 | LOCK_PATH(p, arg1); | |
539 | ret = get_errno(acct(path(p))); | |
540 | UNLOCK_PATH(p, arg1); | |
541 | } | |
542 | return ret; | |
543 | } | |
544 | ||
545 | /* sync(2) */ | |
546 | static abi_long do_bsd_sync(void) | |
547 | { | |
548 | sync(); | |
549 | return 0; | |
550 | } | |
551 | ||
af2ae2e8 WL |
552 | /* mount(2) */ |
553 | static abi_long do_bsd_mount(abi_long arg1, abi_long arg2, abi_long arg3, | |
554 | abi_long arg4) | |
555 | { | |
556 | abi_long ret; | |
557 | void *p1, *p2; | |
558 | ||
559 | LOCK_PATH2(p1, arg1, p2, arg2); | |
560 | /* | |
561 | * XXX arg4 should be locked, but it isn't clear how to do that since it may | |
562 | * be not be a NULL-terminated string. | |
563 | */ | |
564 | if (arg4 == 0) { | |
565 | ret = get_errno(mount(p1, p2, arg3, NULL)); /* XXX path(p2)? */ | |
566 | } else { | |
567 | ret = get_errno(mount(p1, p2, arg3, g2h_untagged(arg4))); /* XXX path(p2)? */ | |
568 | } | |
569 | UNLOCK_PATH2(p1, arg1, p2, arg2); | |
570 | ||
571 | return ret; | |
572 | } | |
573 | ||
574 | /* unmount(2) */ | |
575 | static abi_long do_bsd_unmount(abi_long arg1, abi_long arg2) | |
576 | { | |
577 | abi_long ret; | |
578 | void *p; | |
579 | ||
580 | LOCK_PATH(p, arg1); | |
581 | ret = get_errno(unmount(p, arg2)); /* XXX path(p)? */ | |
582 | UNLOCK_PATH(p, arg1); | |
583 | ||
584 | return ret; | |
585 | } | |
586 | ||
587 | /* nmount(2) */ | |
588 | static abi_long do_bsd_nmount(abi_long arg1, abi_long count, | |
589 | abi_long flags) | |
590 | { | |
591 | abi_long ret; | |
592 | struct iovec *vec = lock_iovec(VERIFY_READ, arg1, count, 1); | |
593 | ||
594 | if (vec != NULL) { | |
595 | ret = get_errno(nmount(vec, count, flags)); | |
596 | unlock_iovec(vec, arg1, count, 0); | |
597 | } else { | |
598 | return -TARGET_EFAULT; | |
599 | } | |
600 | ||
601 | return ret; | |
602 | } | |
603 | ||
c7b62b4a WL |
604 | /* symlink(2) */ |
605 | static abi_long do_bsd_symlink(abi_long arg1, abi_long arg2) | |
606 | { | |
607 | abi_long ret; | |
608 | void *p1, *p2; | |
609 | ||
610 | LOCK_PATH2(p1, arg1, p2, arg2); | |
611 | ret = get_errno(symlink(p1, p2)); /* XXX path(p1), path(p2) */ | |
612 | UNLOCK_PATH2(p1, arg1, p2, arg2); | |
613 | ||
614 | return ret; | |
615 | } | |
616 | ||
617 | /* symlinkat(2) */ | |
618 | static abi_long do_bsd_symlinkat(abi_long arg1, abi_long arg2, | |
619 | abi_long arg3) | |
620 | { | |
621 | abi_long ret; | |
622 | void *p1, *p2; | |
623 | ||
624 | LOCK_PATH2(p1, arg1, p2, arg3); | |
625 | ret = get_errno(symlinkat(p1, arg2, p2)); /* XXX path(p1), path(p2) */ | |
626 | UNLOCK_PATH2(p1, arg1, p2, arg3); | |
627 | ||
628 | return ret; | |
629 | } | |
630 | ||
631 | /* readlink(2) */ | |
632 | static abi_long do_bsd_readlink(CPUArchState *env, abi_long arg1, | |
633 | abi_long arg2, abi_long arg3) | |
634 | { | |
635 | abi_long ret; | |
636 | void *p1, *p2; | |
637 | ||
638 | LOCK_PATH(p1, arg1); | |
639 | p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
640 | if (p2 == NULL) { | |
641 | UNLOCK_PATH(p1, arg1); | |
642 | return -TARGET_EFAULT; | |
643 | } | |
644 | if (strcmp(p1, "/proc/curproc/file") == 0) { | |
645 | CPUState *cpu = env_cpu(env); | |
646 | TaskState *ts = (TaskState *)cpu->opaque; | |
647 | strncpy(p2, ts->bprm->fullpath, arg3); | |
648 | ret = MIN((abi_long)strlen(ts->bprm->fullpath), arg3); | |
649 | } else { | |
650 | ret = get_errno(readlink(path(p1), p2, arg3)); | |
651 | } | |
652 | unlock_user(p2, arg2, ret); | |
653 | UNLOCK_PATH(p1, arg1); | |
654 | ||
655 | return ret; | |
656 | } | |
657 | ||
658 | /* readlinkat(2) */ | |
659 | static abi_long do_bsd_readlinkat(abi_long arg1, abi_long arg2, | |
660 | abi_long arg3, abi_long arg4) | |
661 | { | |
662 | abi_long ret; | |
663 | void *p1, *p2; | |
664 | ||
665 | LOCK_PATH(p1, arg2); | |
666 | p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0); | |
667 | if (p2 == NULL) { | |
668 | UNLOCK_PATH(p1, arg2); | |
669 | return -TARGET_EFAULT; | |
670 | } | |
671 | ret = get_errno(readlinkat(arg1, p1, p2, arg4)); | |
672 | unlock_user(p2, arg3, ret); | |
673 | UNLOCK_PATH(p1, arg2); | |
674 | ||
675 | return ret; | |
676 | } | |
677 | ||
0db0db8f WL |
678 | /* chmod(2) */ |
679 | static abi_long do_bsd_chmod(abi_long arg1, abi_long arg2) | |
680 | { | |
681 | abi_long ret; | |
682 | void *p; | |
683 | ||
684 | LOCK_PATH(p, arg1); | |
685 | ret = get_errno(chmod(p, arg2)); /* XXX path(p)? */ | |
686 | UNLOCK_PATH(p, arg1); | |
687 | ||
688 | return ret; | |
689 | } | |
690 | ||
691 | /* fchmod(2) */ | |
692 | static abi_long do_bsd_fchmod(abi_long arg1, abi_long arg2) | |
693 | { | |
694 | return get_errno(fchmod(arg1, arg2)); | |
695 | } | |
696 | ||
697 | /* lchmod(2) */ | |
698 | static abi_long do_bsd_lchmod(abi_long arg1, abi_long arg2) | |
699 | { | |
700 | abi_long ret; | |
701 | void *p; | |
702 | ||
703 | LOCK_PATH(p, arg1); | |
704 | ret = get_errno(lchmod(p, arg2)); /* XXX path(p)? */ | |
705 | UNLOCK_PATH(p, arg1); | |
706 | ||
707 | return ret; | |
708 | } | |
709 | ||
710 | /* fchmodat(2) */ | |
711 | static abi_long do_bsd_fchmodat(abi_long arg1, abi_long arg2, | |
712 | abi_long arg3, abi_long arg4) | |
713 | { | |
714 | abi_long ret; | |
715 | void *p; | |
716 | ||
717 | LOCK_PATH(p, arg2); | |
718 | ret = get_errno(fchmodat(arg1, p, arg3, arg4)); | |
719 | UNLOCK_PATH(p, arg2); | |
720 | ||
721 | return ret; | |
722 | } | |
723 | ||
79cfae0c WL |
724 | /* pre-ino64 mknod(2) */ |
725 | static abi_long do_bsd_freebsd11_mknod(abi_long arg1, abi_long arg2, abi_long arg3) | |
726 | { | |
727 | abi_long ret; | |
728 | void *p; | |
729 | ||
730 | LOCK_PATH(p, arg1); | |
731 | ret = get_errno(syscall(SYS_freebsd11_mknod, p, arg2, arg3)); | |
732 | UNLOCK_PATH(p, arg1); | |
733 | ||
734 | return ret; | |
735 | } | |
736 | ||
737 | /* pre-ino64 mknodat(2) */ | |
738 | static abi_long do_bsd_freebsd11_mknodat(abi_long arg1, abi_long arg2, | |
739 | abi_long arg3, abi_long arg4) | |
740 | { | |
741 | abi_long ret; | |
742 | void *p; | |
743 | ||
744 | LOCK_PATH(p, arg2); | |
745 | ret = get_errno(syscall(SYS_freebsd11_mknodat, arg1, p, arg3, arg4)); | |
746 | UNLOCK_PATH(p, arg2); | |
747 | ||
748 | return ret; | |
749 | } | |
750 | ||
751 | /* post-ino64 mknodat(2) */ | |
752 | static abi_long do_bsd_mknodat(void *cpu_env, abi_long arg1, | |
753 | abi_long arg2, abi_long arg3, abi_long arg4, abi_long arg5, | |
754 | abi_long arg6) | |
755 | { | |
756 | abi_long ret; | |
757 | void *p; | |
758 | ||
759 | LOCK_PATH(p, arg2); | |
760 | /* 32-bit arch's use two 32 registers for 64 bit return value */ | |
761 | if (regpairs_aligned(cpu_env) != 0) { | |
762 | ret = get_errno(mknodat(arg1, p, arg3, target_arg64(arg5, arg6))); | |
763 | } else { | |
764 | ret = get_errno(mknodat(arg1, p, arg3, target_arg64(arg4, arg5))); | |
765 | } | |
766 | UNLOCK_PATH(p, arg2); | |
767 | ||
768 | return ret; | |
769 | } | |
770 | ||
58af3e29 WL |
771 | /* chown(2) */ |
772 | static abi_long do_bsd_chown(abi_long arg1, abi_long arg2, abi_long arg3) | |
773 | { | |
774 | abi_long ret; | |
775 | void *p; | |
776 | ||
777 | LOCK_PATH(p, arg1); | |
778 | ret = get_errno(chown(p, arg2, arg3)); /* XXX path(p)? */ | |
779 | UNLOCK_PATH(p, arg1); | |
780 | ||
781 | return ret; | |
782 | } | |
783 | ||
784 | /* fchown(2) */ | |
785 | static abi_long do_bsd_fchown(abi_long arg1, abi_long arg2, | |
786 | abi_long arg3) | |
787 | { | |
788 | return get_errno(fchown(arg1, arg2, arg3)); | |
789 | } | |
790 | ||
791 | /* lchown(2) */ | |
792 | static abi_long do_bsd_lchown(abi_long arg1, abi_long arg2, | |
793 | abi_long arg3) | |
794 | { | |
795 | abi_long ret; | |
796 | void *p; | |
797 | ||
798 | LOCK_PATH(p, arg1); | |
799 | ret = get_errno(lchown(p, arg2, arg3)); /* XXX path(p)? */ | |
800 | UNLOCK_PATH(p, arg1); | |
801 | ||
802 | return ret; | |
803 | } | |
804 | ||
805 | /* fchownat(2) */ | |
806 | static abi_long do_bsd_fchownat(abi_long arg1, abi_long arg2, | |
807 | abi_long arg3, abi_long arg4, abi_long arg5) | |
808 | { | |
809 | abi_long ret; | |
810 | void *p; | |
811 | ||
812 | LOCK_PATH(p, arg2); | |
813 | ret = get_errno(fchownat(arg1, p, arg3, arg4, arg5)); /* XXX path(p)? */ | |
814 | UNLOCK_PATH(p, arg2); | |
815 | ||
816 | return ret; | |
817 | } | |
818 | ||
c6f0a7d9 WL |
819 | /* chflags(2) */ |
820 | static abi_long do_bsd_chflags(abi_long arg1, abi_long arg2) | |
821 | { | |
822 | abi_long ret; | |
823 | void *p; | |
824 | ||
825 | LOCK_PATH(p, arg1); | |
826 | ret = get_errno(chflags(p, arg2)); /* XXX path(p)? */ | |
827 | UNLOCK_PATH(p, arg1); | |
828 | ||
829 | return ret; | |
830 | } | |
831 | ||
832 | /* lchflags(2) */ | |
833 | static abi_long do_bsd_lchflags(abi_long arg1, abi_long arg2) | |
834 | { | |
835 | abi_long ret; | |
836 | void *p; | |
837 | ||
838 | LOCK_PATH(p, arg1); | |
839 | ret = get_errno(lchflags(p, arg2)); /* XXX path(p)? */ | |
840 | UNLOCK_PATH(p, arg1); | |
841 | ||
842 | return ret; | |
843 | } | |
844 | ||
845 | /* fchflags(2) */ | |
846 | static abi_long do_bsd_fchflags(abi_long arg1, abi_long arg2) | |
847 | { | |
848 | return get_errno(fchflags(arg1, arg2)); | |
849 | } | |
850 | ||
17a4d13c WL |
851 | /* chroot(2) */ |
852 | static abi_long do_bsd_chroot(abi_long arg1) | |
853 | { | |
854 | abi_long ret; | |
855 | void *p; | |
856 | ||
857 | LOCK_PATH(p, arg1); | |
858 | ret = get_errno(chroot(p)); /* XXX path(p)? */ | |
859 | UNLOCK_PATH(p, arg1); | |
860 | ||
861 | return ret; | |
862 | } | |
863 | ||
864 | /* flock(2) */ | |
865 | static abi_long do_bsd_flock(abi_long arg1, abi_long arg2) | |
866 | { | |
867 | return get_errno(flock(arg1, arg2)); | |
868 | } | |
869 | ||
5fbd8011 WL |
870 | /* mkfifo(2) */ |
871 | static abi_long do_bsd_mkfifo(abi_long arg1, abi_long arg2) | |
872 | { | |
873 | abi_long ret; | |
874 | void *p; | |
875 | ||
876 | LOCK_PATH(p, arg1); | |
877 | ret = get_errno(mkfifo(p, arg2)); /* XXX path(p)? */ | |
878 | UNLOCK_PATH(p, arg1); | |
879 | ||
880 | return ret; | |
881 | } | |
882 | ||
883 | /* mkfifoat(2) */ | |
884 | static abi_long do_bsd_mkfifoat(abi_long arg1, abi_long arg2, | |
885 | abi_long arg3) | |
886 | { | |
887 | abi_long ret; | |
888 | void *p; | |
889 | ||
890 | LOCK_PATH(p, arg2); | |
891 | ret = get_errno(mkfifoat(arg1, p, arg3)); | |
892 | UNLOCK_PATH(p, arg2); | |
893 | ||
894 | return ret; | |
895 | } | |
896 | ||
d3f29dda WL |
897 | /* pathconf(2) */ |
898 | static abi_long do_bsd_pathconf(abi_long arg1, abi_long arg2) | |
899 | { | |
900 | abi_long ret; | |
901 | void *p; | |
902 | ||
903 | LOCK_PATH(p, arg1); | |
904 | ret = get_errno(pathconf(p, arg2)); /* XXX path(p)? */ | |
905 | UNLOCK_PATH(p, arg1); | |
906 | ||
907 | return ret; | |
908 | } | |
909 | ||
910 | /* lpathconf(2) */ | |
911 | static abi_long do_bsd_lpathconf(abi_long arg1, abi_long arg2) | |
912 | { | |
913 | abi_long ret; | |
914 | void *p; | |
915 | ||
916 | LOCK_PATH(p, arg1); | |
917 | ret = get_errno(lpathconf(p, arg2)); /* XXX path(p)? */ | |
918 | UNLOCK_PATH(p, arg1); | |
919 | ||
920 | return ret; | |
921 | } | |
922 | ||
923 | /* fpathconf(2) */ | |
924 | static abi_long do_bsd_fpathconf(abi_long arg1, abi_long arg2) | |
925 | { | |
926 | return get_errno(fpathconf(arg1, arg2)); | |
927 | } | |
928 | ||
952d5d30 WL |
929 | /* undelete(2) */ |
930 | static abi_long do_bsd_undelete(abi_long arg1) | |
931 | { | |
932 | abi_long ret; | |
933 | void *p; | |
934 | ||
935 | LOCK_PATH(p, arg1); | |
936 | ret = get_errno(undelete(p)); /* XXX path(p)? */ | |
937 | UNLOCK_PATH(p, arg1); | |
938 | ||
939 | return ret; | |
940 | } | |
941 | ||
9c092804 | 942 | #endif /* BSD_FILE_H */ |