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1 /*
2 * BSD syscalls
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 * Copyright (c) 2013-2014 Stacey D. Son
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
19 */
20 #include "qemu/osdep.h"
21 #include "qemu/cutils.h"
22 #include "qemu/path.h"
23 #include <sys/syscall.h>
24 #include <sys/cdefs.h>
25 #include <sys/param.h>
26 #include <sys/mount.h>
27 #include <sys/sysctl.h>
28 #include <utime.h>
29
30 #include "include/gdbstub/syscalls.h"
31
32 #include "qemu.h"
33 #include "signal-common.h"
34
35 /* BSD independent syscall shims */
36 #include "bsd-file.h"
37 #include "bsd-ioctl.h"
38 #include "bsd-mem.h"
39 #include "bsd-proc.h"
40 #include "bsd-misc.h"
41
42 /* BSD dependent syscall shims */
43 #include "os-stat.h"
44 #include "os-proc.h"
45 #include "os-misc.h"
46
47 /* I/O */
48 safe_syscall3(int, open, const char *, path, int, flags, mode_t, mode);
49 safe_syscall4(int, openat, int, fd, const char *, path, int, flags, mode_t,
50 mode);
51
52 safe_syscall3(ssize_t, read, int, fd, void *, buf, size_t, nbytes);
53 safe_syscall4(ssize_t, pread, int, fd, void *, buf, size_t, nbytes, off_t,
54 offset);
55 safe_syscall3(ssize_t, readv, int, fd, const struct iovec *, iov, int, iovcnt);
56 safe_syscall4(ssize_t, preadv, int, fd, const struct iovec *, iov, int, iovcnt,
57 off_t, offset);
58
59 safe_syscall3(ssize_t, write, int, fd, void *, buf, size_t, nbytes);
60 safe_syscall4(ssize_t, pwrite, int, fd, void *, buf, size_t, nbytes, off_t,
61 offset);
62 safe_syscall3(ssize_t, writev, int, fd, const struct iovec *, iov, int, iovcnt);
63 safe_syscall4(ssize_t, pwritev, int, fd, const struct iovec *, iov, int, iovcnt,
64 off_t, offset);
65
66 /* used in os-proc */
67 safe_syscall4(pid_t, wait4, pid_t, wpid, int *, status, int, options,
68 struct rusage *, rusage);
69 safe_syscall6(pid_t, wait6, idtype_t, idtype, id_t, id, int *, status, int,
70 options, struct __wrusage *, wrusage, siginfo_t *, infop);
71
72 /*
73 * errno conversion.
74 */
75 abi_long get_errno(abi_long ret)
76 {
77 if (ret == -1) {
78 return -host_to_target_errno(errno);
79 } else {
80 return ret;
81 }
82 }
83
84 int host_to_target_errno(int err)
85 {
86 /*
87 * All the BSDs have the property that the error numbers are uniform across
88 * all architectures for a given BSD, though they may vary between different
89 * BSDs.
90 */
91 return err;
92 }
93
94 bool is_error(abi_long ret)
95 {
96 return (abi_ulong)ret >= (abi_ulong)(-4096);
97 }
98
99 /*
100 * Unlocks a iovec. Unlike unlock_iovec, it assumes the tvec array itself is
101 * already locked from target_addr. It will be unlocked as well as all the iovec
102 * elements.
103 */
104 static void helper_unlock_iovec(struct target_iovec *target_vec,
105 abi_ulong target_addr, struct iovec *vec,
106 int count, int copy)
107 {
108 for (int i = 0; i < count; i++) {
109 abi_ulong base = tswapal(target_vec[i].iov_base);
110
111 if (vec[i].iov_base) {
112 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
113 }
114 }
115 unlock_user(target_vec, target_addr, 0);
116 }
117
118 struct iovec *lock_iovec(int type, abi_ulong target_addr,
119 int count, int copy)
120 {
121 struct target_iovec *target_vec;
122 struct iovec *vec;
123 abi_ulong total_len, max_len;
124 int i;
125 int err = 0;
126
127 if (count == 0) {
128 errno = 0;
129 return NULL;
130 }
131 if (count < 0 || count > IOV_MAX) {
132 errno = EINVAL;
133 return NULL;
134 }
135
136 vec = g_try_new0(struct iovec, count);
137 if (vec == NULL) {
138 errno = ENOMEM;
139 return NULL;
140 }
141
142 target_vec = lock_user(VERIFY_READ, target_addr,
143 count * sizeof(struct target_iovec), 1);
144 if (target_vec == NULL) {
145 err = EFAULT;
146 goto fail2;
147 }
148
149 max_len = 0x7fffffff & MIN(TARGET_PAGE_MASK, PAGE_MASK);
150 total_len = 0;
151
152 for (i = 0; i < count; i++) {
153 abi_ulong base = tswapal(target_vec[i].iov_base);
154 abi_long len = tswapal(target_vec[i].iov_len);
155
156 if (len < 0) {
157 err = EINVAL;
158 goto fail;
159 } else if (len == 0) {
160 /* Zero length pointer is ignored. */
161 vec[i].iov_base = 0;
162 } else {
163 vec[i].iov_base = lock_user(type, base, len, copy);
164 /*
165 * If the first buffer pointer is bad, this is a fault. But
166 * subsequent bad buffers will result in a partial write; this is
167 * realized by filling the vector with null pointers and zero
168 * lengths.
169 */
170 if (!vec[i].iov_base) {
171 if (i == 0) {
172 err = EFAULT;
173 goto fail;
174 } else {
175 /*
176 * Fail all the subsequent addresses, they are already
177 * zero'd.
178 */
179 goto out;
180 }
181 }
182 if (len > max_len - total_len) {
183 len = max_len - total_len;
184 }
185 }
186 vec[i].iov_len = len;
187 total_len += len;
188 }
189 out:
190 unlock_user(target_vec, target_addr, 0);
191 return vec;
192
193 fail:
194 helper_unlock_iovec(target_vec, target_addr, vec, i, copy);
195 fail2:
196 g_free(vec);
197 errno = err;
198 return NULL;
199 }
200
201 void unlock_iovec(struct iovec *vec, abi_ulong target_addr,
202 int count, int copy)
203 {
204 struct target_iovec *target_vec;
205
206 target_vec = lock_user(VERIFY_READ, target_addr,
207 count * sizeof(struct target_iovec), 1);
208 if (target_vec) {
209 helper_unlock_iovec(target_vec, target_addr, vec, count, copy);
210 }
211
212 g_free(vec);
213 }
214
215 /*
216 * All errnos that freebsd_syscall() returns must be -TARGET_<errcode>.
217 */
218 static abi_long freebsd_syscall(void *cpu_env, int num, abi_long arg1,
219 abi_long arg2, abi_long arg3, abi_long arg4,
220 abi_long arg5, abi_long arg6, abi_long arg7,
221 abi_long arg8)
222 {
223 abi_long ret;
224
225 switch (num) {
226 /*
227 * process system calls
228 */
229 case TARGET_FREEBSD_NR_fork: /* fork(2) */
230 ret = do_freebsd_fork(cpu_env);
231 break;
232
233 case TARGET_FREEBSD_NR_vfork: /* vfork(2) */
234 ret = do_freebsd_vfork(cpu_env);
235 break;
236
237 case TARGET_FREEBSD_NR_rfork: /* rfork(2) */
238 ret = do_freebsd_rfork(cpu_env, arg1);
239 break;
240
241 case TARGET_FREEBSD_NR_pdfork: /* pdfork(2) */
242 ret = do_freebsd_pdfork(cpu_env, arg1, arg2);
243 break;
244
245 case TARGET_FREEBSD_NR_execve: /* execve(2) */
246 ret = do_freebsd_execve(arg1, arg2, arg3);
247 break;
248
249 case TARGET_FREEBSD_NR_fexecve: /* fexecve(2) */
250 ret = do_freebsd_fexecve(arg1, arg2, arg3);
251 break;
252
253 case TARGET_FREEBSD_NR_wait4: /* wait4(2) */
254 ret = do_freebsd_wait4(arg1, arg2, arg3, arg4);
255 break;
256
257 case TARGET_FREEBSD_NR_wait6: /* wait6(2) */
258 ret = do_freebsd_wait6(cpu_env, arg1, arg2, arg3,
259 arg4, arg5, arg6, arg7, arg8);
260 break;
261
262 case TARGET_FREEBSD_NR_exit: /* exit(2) */
263 ret = do_bsd_exit(cpu_env, arg1);
264 break;
265
266 case TARGET_FREEBSD_NR_getgroups: /* getgroups(2) */
267 ret = do_bsd_getgroups(arg1, arg2);
268 break;
269
270 case TARGET_FREEBSD_NR_setgroups: /* setgroups(2) */
271 ret = do_bsd_setgroups(arg1, arg2);
272 break;
273
274 case TARGET_FREEBSD_NR_umask: /* umask(2) */
275 ret = do_bsd_umask(arg1);
276 break;
277
278 case TARGET_FREEBSD_NR_setlogin: /* setlogin(2) */
279 ret = do_bsd_setlogin(arg1);
280 break;
281
282 case TARGET_FREEBSD_NR_getlogin: /* getlogin(2) */
283 ret = do_bsd_getlogin(arg1, arg2);
284 break;
285
286 case TARGET_FREEBSD_NR_getrusage: /* getrusage(2) */
287 ret = do_bsd_getrusage(arg1, arg2);
288 break;
289
290 case TARGET_FREEBSD_NR_getrlimit: /* getrlimit(2) */
291 ret = do_bsd_getrlimit(arg1, arg2);
292 break;
293
294 case TARGET_FREEBSD_NR_setrlimit: /* setrlimit(2) */
295 ret = do_bsd_setrlimit(arg1, arg2);
296 break;
297
298 case TARGET_FREEBSD_NR_getpid: /* getpid(2) */
299 ret = do_bsd_getpid();
300 break;
301
302 case TARGET_FREEBSD_NR_getppid: /* getppid(2) */
303 ret = do_bsd_getppid();
304 break;
305
306 case TARGET_FREEBSD_NR_getuid: /* getuid(2) */
307 ret = do_bsd_getuid();
308 break;
309
310 case TARGET_FREEBSD_NR_geteuid: /* geteuid(2) */
311 ret = do_bsd_geteuid();
312 break;
313
314 case TARGET_FREEBSD_NR_getgid: /* getgid(2) */
315 ret = do_bsd_getgid();
316 break;
317
318 case TARGET_FREEBSD_NR_getegid: /* getegid(2) */
319 ret = do_bsd_getegid();
320 break;
321
322 case TARGET_FREEBSD_NR_setuid: /* setuid(2) */
323 ret = do_bsd_setuid(arg1);
324 break;
325
326 case TARGET_FREEBSD_NR_seteuid: /* seteuid(2) */
327 ret = do_bsd_seteuid(arg1);
328 break;
329
330 case TARGET_FREEBSD_NR_setgid: /* setgid(2) */
331 ret = do_bsd_setgid(arg1);
332 break;
333
334 case TARGET_FREEBSD_NR_setegid: /* setegid(2) */
335 ret = do_bsd_setegid(arg1);
336 break;
337
338 case TARGET_FREEBSD_NR_getpgrp: /* getpgrp(2) */
339 ret = do_bsd_getpgrp();
340 break;
341
342 case TARGET_FREEBSD_NR_getpgid: /* getpgid(2) */
343 ret = do_bsd_getpgid(arg1);
344 break;
345
346 case TARGET_FREEBSD_NR_setpgid: /* setpgid(2) */
347 ret = do_bsd_setpgid(arg1, arg2);
348 break;
349
350 case TARGET_FREEBSD_NR_setreuid: /* setreuid(2) */
351 ret = do_bsd_setreuid(arg1, arg2);
352 break;
353
354 case TARGET_FREEBSD_NR_setregid: /* setregid(2) */
355 ret = do_bsd_setregid(arg1, arg2);
356 break;
357
358 case TARGET_FREEBSD_NR_getresuid: /* getresuid(2) */
359 ret = do_bsd_getresuid(arg1, arg2, arg3);
360 break;
361
362 case TARGET_FREEBSD_NR_getresgid: /* getresgid(2) */
363 ret = do_bsd_getresgid(arg1, arg2, arg3);
364 break;
365
366 case TARGET_FREEBSD_NR_setresuid: /* setresuid(2) */
367 ret = do_bsd_setresuid(arg1, arg2, arg3);
368 break;
369
370 case TARGET_FREEBSD_NR_setresgid: /* setresgid(2) */
371 ret = do_bsd_setresgid(arg1, arg2, arg3);
372 break;
373
374 case TARGET_FREEBSD_NR_getsid: /* getsid(2) */
375 ret = do_bsd_getsid(arg1);
376 break;
377
378 case TARGET_FREEBSD_NR_setsid: /* setsid(2) */
379 ret = do_bsd_setsid();
380 break;
381
382 case TARGET_FREEBSD_NR_issetugid: /* issetugid(2) */
383 ret = do_bsd_issetugid();
384 break;
385
386 case TARGET_FREEBSD_NR_profil: /* profil(2) */
387 ret = do_bsd_profil(arg1, arg2, arg3, arg4);
388 break;
389
390 case TARGET_FREEBSD_NR_ktrace: /* ktrace(2) */
391 ret = do_bsd_ktrace(arg1, arg2, arg3, arg4);
392 break;
393
394 case TARGET_FREEBSD_NR_setloginclass: /* setloginclass(2) */
395 ret = do_freebsd_setloginclass(arg1);
396 break;
397
398 case TARGET_FREEBSD_NR_getloginclass: /* getloginclass(2) */
399 ret = do_freebsd_getloginclass(arg1, arg2);
400 break;
401
402 case TARGET_FREEBSD_NR_pdgetpid: /* pdgetpid(2) */
403 ret = do_freebsd_pdgetpid(arg1, arg2);
404 break;
405
406 case TARGET_FREEBSD_NR___setugid: /* undocumented */
407 ret = do_freebsd___setugid(arg1);
408 break;
409
410 case TARGET_FREEBSD_NR_utrace: /* utrace(2) */
411 ret = do_bsd_utrace(arg1, arg2);
412 break;
413
414 case TARGET_FREEBSD_NR_ptrace: /* ptrace(2) */
415 ret = do_bsd_ptrace(arg1, arg2, arg3, arg4);
416 break;
417
418 case TARGET_FREEBSD_NR_getpriority: /* getpriority(2) */
419 ret = do_bsd_getpriority(arg1, arg2);
420 break;
421
422 case TARGET_FREEBSD_NR_setpriority: /* setpriority(2) */
423 ret = do_bsd_setpriority(arg1, arg2, arg3);
424 break;
425
426 case TARGET_FREEBSD_NR_procctl: /* procctl(2) */
427 ret = do_freebsd_procctl(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6);
428 break;
429
430 /*
431 * File system calls.
432 */
433 case TARGET_FREEBSD_NR_read: /* read(2) */
434 ret = do_bsd_read(arg1, arg2, arg3);
435 break;
436
437 case TARGET_FREEBSD_NR_pread: /* pread(2) */
438 ret = do_bsd_pread(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6);
439 break;
440
441 case TARGET_FREEBSD_NR_readv: /* readv(2) */
442 ret = do_bsd_readv(arg1, arg2, arg3);
443 break;
444
445 case TARGET_FREEBSD_NR_preadv: /* preadv(2) */
446 ret = do_bsd_preadv(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6);
447 break;
448
449 case TARGET_FREEBSD_NR_write: /* write(2) */
450 ret = do_bsd_write(arg1, arg2, arg3);
451 break;
452
453 case TARGET_FREEBSD_NR_pwrite: /* pwrite(2) */
454 ret = do_bsd_pwrite(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6);
455 break;
456
457 case TARGET_FREEBSD_NR_writev: /* writev(2) */
458 ret = do_bsd_writev(arg1, arg2, arg3);
459 break;
460
461 case TARGET_FREEBSD_NR_pwritev: /* pwritev(2) */
462 ret = do_bsd_pwritev(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6);
463 break;
464
465 case TARGET_FREEBSD_NR_open: /* open(2) */
466 ret = do_bsd_open(arg1, arg2, arg3);
467 break;
468
469 case TARGET_FREEBSD_NR_openat: /* openat(2) */
470 ret = do_bsd_openat(arg1, arg2, arg3, arg4);
471 break;
472
473 case TARGET_FREEBSD_NR_close: /* close(2) */
474 ret = do_bsd_close(arg1);
475 break;
476
477 case TARGET_FREEBSD_NR_fdatasync: /* fdatasync(2) */
478 ret = do_bsd_fdatasync(arg1);
479 break;
480
481 case TARGET_FREEBSD_NR_fsync: /* fsync(2) */
482 ret = do_bsd_fsync(arg1);
483 break;
484
485 case TARGET_FREEBSD_NR_freebsd12_closefrom: /* closefrom(2) */
486 ret = do_bsd_closefrom(arg1);
487 break;
488
489 case TARGET_FREEBSD_NR_revoke: /* revoke(2) */
490 ret = do_bsd_revoke(arg1);
491 break;
492
493 case TARGET_FREEBSD_NR_access: /* access(2) */
494 ret = do_bsd_access(arg1, arg2);
495 break;
496
497 case TARGET_FREEBSD_NR_eaccess: /* eaccess(2) */
498 ret = do_bsd_eaccess(arg1, arg2);
499 break;
500
501 case TARGET_FREEBSD_NR_faccessat: /* faccessat(2) */
502 ret = do_bsd_faccessat(arg1, arg2, arg3, arg4);
503 break;
504
505 case TARGET_FREEBSD_NR_chdir: /* chdir(2) */
506 ret = do_bsd_chdir(arg1);
507 break;
508
509 case TARGET_FREEBSD_NR_fchdir: /* fchdir(2) */
510 ret = do_bsd_fchdir(arg1);
511 break;
512
513 case TARGET_FREEBSD_NR_rename: /* rename(2) */
514 ret = do_bsd_rename(arg1, arg2);
515 break;
516
517 case TARGET_FREEBSD_NR_renameat: /* renameat(2) */
518 ret = do_bsd_renameat(arg1, arg2, arg3, arg4);
519 break;
520
521 case TARGET_FREEBSD_NR_link: /* link(2) */
522 ret = do_bsd_link(arg1, arg2);
523 break;
524
525 case TARGET_FREEBSD_NR_linkat: /* linkat(2) */
526 ret = do_bsd_linkat(arg1, arg2, arg3, arg4, arg5);
527 break;
528
529 case TARGET_FREEBSD_NR_unlink: /* unlink(2) */
530 ret = do_bsd_unlink(arg1);
531 break;
532
533 case TARGET_FREEBSD_NR_unlinkat: /* unlinkat(2) */
534 ret = do_bsd_unlinkat(arg1, arg2, arg3);
535 break;
536
537 case TARGET_FREEBSD_NR_mkdir: /* mkdir(2) */
538 ret = do_bsd_mkdir(arg1, arg2);
539 break;
540
541 case TARGET_FREEBSD_NR_mkdirat: /* mkdirat(2) */
542 ret = do_bsd_mkdirat(arg1, arg2, arg3);
543 break;
544
545 case TARGET_FREEBSD_NR_rmdir: /* rmdir(2) (XXX no rmdirat()?) */
546 ret = do_bsd_rmdir(arg1);
547 break;
548
549 case TARGET_FREEBSD_NR___getcwd: /* undocumented __getcwd() */
550 ret = do_bsd___getcwd(arg1, arg2);
551 break;
552
553 case TARGET_FREEBSD_NR_dup: /* dup(2) */
554 ret = do_bsd_dup(arg1);
555 break;
556
557 case TARGET_FREEBSD_NR_dup2: /* dup2(2) */
558 ret = do_bsd_dup2(arg1, arg2);
559 break;
560
561 case TARGET_FREEBSD_NR_truncate: /* truncate(2) */
562 ret = do_bsd_truncate(cpu_env, arg1, arg2, arg3, arg4);
563 break;
564
565 case TARGET_FREEBSD_NR_ftruncate: /* ftruncate(2) */
566 ret = do_bsd_ftruncate(cpu_env, arg1, arg2, arg3, arg4);
567 break;
568
569 case TARGET_FREEBSD_NR_acct: /* acct(2) */
570 ret = do_bsd_acct(arg1);
571 break;
572
573 case TARGET_FREEBSD_NR_sync: /* sync(2) */
574 ret = do_bsd_sync();
575 break;
576
577 case TARGET_FREEBSD_NR_mount: /* mount(2) */
578 ret = do_bsd_mount(arg1, arg2, arg3, arg4);
579 break;
580
581 case TARGET_FREEBSD_NR_unmount: /* unmount(2) */
582 ret = do_bsd_unmount(arg1, arg2);
583 break;
584
585 case TARGET_FREEBSD_NR_nmount: /* nmount(2) */
586 ret = do_bsd_nmount(arg1, arg2, arg3);
587 break;
588
589 case TARGET_FREEBSD_NR_symlink: /* symlink(2) */
590 ret = do_bsd_symlink(arg1, arg2);
591 break;
592
593 case TARGET_FREEBSD_NR_symlinkat: /* symlinkat(2) */
594 ret = do_bsd_symlinkat(arg1, arg2, arg3);
595 break;
596
597 case TARGET_FREEBSD_NR_readlink: /* readlink(2) */
598 ret = do_bsd_readlink(cpu_env, arg1, arg2, arg3);
599 break;
600
601 case TARGET_FREEBSD_NR_readlinkat: /* readlinkat(2) */
602 ret = do_bsd_readlinkat(arg1, arg2, arg3, arg4);
603 break;
604
605 case TARGET_FREEBSD_NR_chmod: /* chmod(2) */
606 ret = do_bsd_chmod(arg1, arg2);
607 break;
608
609 case TARGET_FREEBSD_NR_fchmod: /* fchmod(2) */
610 ret = do_bsd_fchmod(arg1, arg2);
611 break;
612
613 case TARGET_FREEBSD_NR_lchmod: /* lchmod(2) */
614 ret = do_bsd_lchmod(arg1, arg2);
615 break;
616
617 case TARGET_FREEBSD_NR_fchmodat: /* fchmodat(2) */
618 ret = do_bsd_fchmodat(arg1, arg2, arg3, arg4);
619 break;
620
621 case TARGET_FREEBSD_NR_freebsd11_mknod: /* mknod(2) */
622 ret = do_bsd_freebsd11_mknod(arg1, arg2, arg3);
623 break;
624
625 case TARGET_FREEBSD_NR_freebsd11_mknodat: /* mknodat(2) */
626 ret = do_bsd_freebsd11_mknodat(arg1, arg2, arg3, arg4);
627 break;
628
629 case TARGET_FREEBSD_NR_mknodat: /* mknodat(2) */
630 ret = do_bsd_mknodat(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6);
631 break;
632
633 case TARGET_FREEBSD_NR_chown: /* chown(2) */
634 ret = do_bsd_chown(arg1, arg2, arg3);
635 break;
636
637 case TARGET_FREEBSD_NR_fchown: /* fchown(2) */
638 ret = do_bsd_fchown(arg1, arg2, arg3);
639 break;
640
641 case TARGET_FREEBSD_NR_lchown: /* lchown(2) */
642 ret = do_bsd_lchown(arg1, arg2, arg3);
643 break;
644
645 case TARGET_FREEBSD_NR_fchownat: /* fchownat(2) */
646 ret = do_bsd_fchownat(arg1, arg2, arg3, arg4, arg5);
647 break;
648
649 case TARGET_FREEBSD_NR_chflags: /* chflags(2) */
650 ret = do_bsd_chflags(arg1, arg2);
651 break;
652
653 case TARGET_FREEBSD_NR_lchflags: /* lchflags(2) */
654 ret = do_bsd_lchflags(arg1, arg2);
655 break;
656
657 case TARGET_FREEBSD_NR_fchflags: /* fchflags(2) */
658 ret = do_bsd_fchflags(arg1, arg2);
659 break;
660
661 case TARGET_FREEBSD_NR_chroot: /* chroot(2) */
662 ret = do_bsd_chroot(arg1);
663 break;
664
665 case TARGET_FREEBSD_NR_flock: /* flock(2) */
666 ret = do_bsd_flock(arg1, arg2);
667 break;
668
669 case TARGET_FREEBSD_NR_mkfifo: /* mkfifo(2) */
670 ret = do_bsd_mkfifo(arg1, arg2);
671 break;
672
673 case TARGET_FREEBSD_NR_mkfifoat: /* mkfifoat(2) */
674 ret = do_bsd_mkfifoat(arg1, arg2, arg3);
675 break;
676
677 case TARGET_FREEBSD_NR_pathconf: /* pathconf(2) */
678 ret = do_bsd_pathconf(arg1, arg2);
679 break;
680
681 case TARGET_FREEBSD_NR_lpathconf: /* lpathconf(2) */
682 ret = do_bsd_lpathconf(arg1, arg2);
683 break;
684
685 case TARGET_FREEBSD_NR_fpathconf: /* fpathconf(2) */
686 ret = do_bsd_fpathconf(arg1, arg2);
687 break;
688
689 case TARGET_FREEBSD_NR_undelete: /* undelete(2) */
690 ret = do_bsd_undelete(arg1);
691 break;
692
693 /*
694 * ioctl(2)
695 */
696 case TARGET_FREEBSD_NR_ioctl: /* ioctl(2) */
697 ret = do_bsd_ioctl(arg1, arg2, arg3);
698 break;
699
700 /*
701 * stat system calls
702 */
703 case TARGET_FREEBSD_NR_freebsd11_stat: /* stat(2) */
704 ret = do_freebsd11_stat(arg1, arg2);
705 break;
706
707 case TARGET_FREEBSD_NR_freebsd11_lstat: /* lstat(2) */
708 ret = do_freebsd11_lstat(arg1, arg2);
709 break;
710
711 case TARGET_FREEBSD_NR_freebsd11_fstat: /* fstat(2) */
712 ret = do_freebsd11_fstat(arg1, arg2);
713 break;
714
715 case TARGET_FREEBSD_NR_fstat: /* fstat(2) */
716 ret = do_freebsd_fstat(arg1, arg2);
717 break;
718
719 case TARGET_FREEBSD_NR_freebsd11_fstatat: /* fstatat(2) */
720 ret = do_freebsd11_fstatat(arg1, arg2, arg3, arg4);
721 break;
722
723 case TARGET_FREEBSD_NR_fstatat: /* fstatat(2) */
724 ret = do_freebsd_fstatat(arg1, arg2, arg3, arg4);
725 break;
726
727 case TARGET_FREEBSD_NR_freebsd11_nstat: /* undocumented */
728 ret = do_freebsd11_nstat(arg1, arg2);
729 break;
730
731 case TARGET_FREEBSD_NR_freebsd11_nfstat: /* undocumented */
732 ret = do_freebsd11_nfstat(arg1, arg2);
733 break;
734
735 case TARGET_FREEBSD_NR_freebsd11_nlstat: /* undocumented */
736 ret = do_freebsd11_nlstat(arg1, arg2);
737 break;
738
739 case TARGET_FREEBSD_NR_getfh: /* getfh(2) */
740 ret = do_freebsd_getfh(arg1, arg2);
741 break;
742
743 case TARGET_FREEBSD_NR_lgetfh: /* lgetfh(2) */
744 ret = do_freebsd_lgetfh(arg1, arg2);
745 break;
746
747 case TARGET_FREEBSD_NR_fhopen: /* fhopen(2) */
748 ret = do_freebsd_fhopen(arg1, arg2);
749 break;
750
751 case TARGET_FREEBSD_NR_freebsd11_fhstat: /* fhstat(2) */
752 ret = do_freebsd11_fhstat(arg1, arg2);
753 break;
754
755 case TARGET_FREEBSD_NR_fhstat: /* fhstat(2) */
756 ret = do_freebsd_fhstat(arg1, arg2);
757 break;
758
759 case TARGET_FREEBSD_NR_freebsd11_fhstatfs: /* fhstatfs(2) */
760 ret = do_freebsd11_fhstatfs(arg1, arg2);
761 break;
762
763 case TARGET_FREEBSD_NR_fhstatfs: /* fhstatfs(2) */
764 ret = do_freebsd_fhstatfs(arg1, arg2);
765 break;
766
767 case TARGET_FREEBSD_NR_freebsd11_statfs: /* statfs(2) */
768 ret = do_freebsd11_statfs(arg1, arg2);
769 break;
770
771 case TARGET_FREEBSD_NR_statfs: /* statfs(2) */
772 ret = do_freebsd_statfs(arg1, arg2);
773 break;
774
775 case TARGET_FREEBSD_NR_freebsd11_fstatfs: /* fstatfs(2) */
776 ret = do_freebsd11_fstatfs(arg1, arg2);
777 break;
778
779 case TARGET_FREEBSD_NR_fstatfs: /* fstatfs(2) */
780 ret = do_freebsd_fstatfs(arg1, arg2);
781 break;
782
783 case TARGET_FREEBSD_NR_freebsd11_getfsstat: /* getfsstat(2) */
784 ret = do_freebsd11_getfsstat(arg1, arg2, arg3);
785 break;
786
787 case TARGET_FREEBSD_NR_getfsstat: /* getfsstat(2) */
788 ret = do_freebsd_getfsstat(arg1, arg2, arg3);
789 break;
790
791 case TARGET_FREEBSD_NR_freebsd11_getdents: /* getdents(2) */
792 ret = do_freebsd11_getdents(arg1, arg2, arg3);
793 break;
794
795 case TARGET_FREEBSD_NR_getdirentries: /* getdirentries(2) */
796 ret = do_freebsd_getdirentries(arg1, arg2, arg3, arg4);
797 break;
798
799 case TARGET_FREEBSD_NR_freebsd11_getdirentries: /* getdirentries(2) */
800 ret = do_freebsd11_getdirentries(arg1, arg2, arg3, arg4);
801 break;
802 case TARGET_FREEBSD_NR_fcntl: /* fcntl(2) */
803 ret = do_freebsd_fcntl(arg1, arg2, arg3);
804 break;
805
806 /*
807 * Memory management system calls.
808 */
809 case TARGET_FREEBSD_NR_mmap: /* mmap(2) */
810 ret = do_bsd_mmap(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6, arg7,
811 arg8);
812 break;
813
814 case TARGET_FREEBSD_NR_munmap: /* munmap(2) */
815 ret = do_bsd_munmap(arg1, arg2);
816 break;
817
818 case TARGET_FREEBSD_NR_mprotect: /* mprotect(2) */
819 ret = do_bsd_mprotect(arg1, arg2, arg3);
820 break;
821
822 case TARGET_FREEBSD_NR_msync: /* msync(2) */
823 ret = do_bsd_msync(arg1, arg2, arg3);
824 break;
825
826 case TARGET_FREEBSD_NR_mlock: /* mlock(2) */
827 ret = do_bsd_mlock(arg1, arg2);
828 break;
829
830 case TARGET_FREEBSD_NR_munlock: /* munlock(2) */
831 ret = do_bsd_munlock(arg1, arg2);
832 break;
833
834 case TARGET_FREEBSD_NR_mlockall: /* mlockall(2) */
835 ret = do_bsd_mlockall(arg1);
836 break;
837
838 case TARGET_FREEBSD_NR_munlockall: /* munlockall(2) */
839 ret = do_bsd_munlockall();
840 break;
841
842 case TARGET_FREEBSD_NR_madvise: /* madvise(2) */
843 ret = do_bsd_madvise(arg1, arg2, arg3);
844 break;
845
846 case TARGET_FREEBSD_NR_minherit: /* minherit(2) */
847 ret = do_bsd_minherit(arg1, arg2, arg3);
848 break;
849
850 case TARGET_FREEBSD_NR_mincore: /* mincore(2) */
851 ret = do_bsd_mincore(arg1, arg2, arg3);
852 break;
853
854 case TARGET_FREEBSD_NR_freebsd12_shm_open: /* shm_open(2) */
855 ret = do_bsd_shm_open(arg1, arg2, arg3);
856 break;
857
858 #if defined(__FreeBSD_version) && __FreeBSD_version >= 1300048
859 case TARGET_FREEBSD_NR_shm_open2: /* shm_open2(2) */
860 ret = do_freebsd_shm_open2(arg1, arg2, arg3, arg4, arg5);
861 break;
862 #endif
863
864 #if defined(__FreeBSD_version) && __FreeBSD_version >= 1300049
865 case TARGET_FREEBSD_NR_shm_rename: /* shm_rename(2) */
866 ret = do_freebsd_shm_rename(arg1, arg2, arg3);
867 break;
868 #endif
869
870 case TARGET_FREEBSD_NR_shm_unlink: /* shm_unlink(2) */
871 ret = do_bsd_shm_unlink(arg1);
872 break;
873
874 case TARGET_FREEBSD_NR_shmget: /* shmget(2) */
875 ret = do_bsd_shmget(arg1, arg2, arg3);
876 break;
877
878 case TARGET_FREEBSD_NR_shmctl: /* shmctl(2) */
879 ret = do_bsd_shmctl(arg1, arg2, arg3);
880 break;
881
882 case TARGET_FREEBSD_NR_shmat: /* shmat(2) */
883 ret = do_bsd_shmat(arg1, arg2, arg3);
884 break;
885
886 case TARGET_FREEBSD_NR_shmdt: /* shmdt(2) */
887 ret = do_bsd_shmdt(arg1);
888 break;
889
890 /*
891 * System V Semaphores
892 */
893 case TARGET_FREEBSD_NR_semget: /* semget(2) */
894 ret = do_bsd_semget(arg1, arg2, arg3);
895 break;
896
897 case TARGET_FREEBSD_NR_semop: /* semop(2) */
898 ret = do_bsd_semop(arg1, arg2, arg3);
899 break;
900
901 case TARGET_FREEBSD_NR___semctl: { /* __semctl() undocumented */
902 ret = do_bsd___semctl(arg1, arg2, arg3, arg4);
903 break;
904 }
905
906 /*
907 * System V Messages
908 */
909 case TARGET_FREEBSD_NR_msgctl: /* msgctl(2) */
910 ret = do_bsd_msgctl(arg1, arg2, arg3);
911 break;
912
913 case TARGET_FREEBSD_NR_msgget: /* msgget(2) */
914 ret = do_bsd_msgget(arg1, arg2);
915 break;
916
917 case TARGET_FREEBSD_NR_msgsnd: /* msgsnd(2) */
918 ret = do_bsd_msgsnd(arg1, arg2, arg3, arg4);
919 break;
920
921 case TARGET_FREEBSD_NR_msgrcv: /* msgrcv(2) */
922 ret = do_bsd_msgrcv(arg1, arg2, arg3, arg4, arg5);
923 break;
924
925 case TARGET_FREEBSD_NR_freebsd11_vadvise:
926 ret = do_bsd_vadvise();
927 break;
928
929 /*
930 * Misc
931 */
932 case TARGET_FREEBSD_NR_break:
933 ret = do_obreak(arg1);
934 break;
935
936 case TARGET_FREEBSD_NR_quotactl: /* quotactl(2) */
937 ret = do_bsd_quotactl(arg1, arg2, arg3);
938 break;
939
940 case TARGET_FREEBSD_NR_reboot: /* reboot(2) */
941 ret = do_bsd_reboot(arg1);
942 break;
943
944 case TARGET_FREEBSD_NR_uuidgen: /* uuidgen(2) */
945 ret = do_bsd_uuidgen(arg1, arg2);
946 break;
947
948 case TARGET_FREEBSD_NR_getdtablesize: /* getdtablesize(2) */
949 ret = do_bsd_getdtablesize();
950 break;
951
952 /*
953 * sys{ctl, arch, call}
954 */
955 case TARGET_FREEBSD_NR___sysctl: /* sysctl(3) */
956 ret = do_freebsd_sysctl(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6);
957 break;
958
959 case TARGET_FREEBSD_NR___sysctlbyname: /* sysctlbyname(2) */
960 ret = do_freebsd_sysctlbyname(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6);
961 break;
962
963 case TARGET_FREEBSD_NR_sysarch: /* sysarch(2) */
964 ret = do_freebsd_sysarch(cpu_env, arg1, arg2);
965 break;
966
967 default:
968 qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num);
969 ret = -TARGET_ENOSYS;
970 break;
971 }
972
973 return ret;
974 }
975
976 /*
977 * do_freebsd_syscall() should always have a single exit point at the end so
978 * that actions, such as logging of syscall results, can be performed. This
979 * as a wrapper around freebsd_syscall() so that actually happens. Since
980 * that is a singleton, modern compilers will inline it anyway...
981 */
982 abi_long do_freebsd_syscall(void *cpu_env, int num, abi_long arg1,
983 abi_long arg2, abi_long arg3, abi_long arg4,
984 abi_long arg5, abi_long arg6, abi_long arg7,
985 abi_long arg8)
986 {
987 abi_long ret;
988
989 if (do_strace) {
990 print_freebsd_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
991 }
992
993 ret = freebsd_syscall(cpu_env, num, arg1, arg2, arg3, arg4, arg5, arg6,
994 arg7, arg8);
995 if (do_strace) {
996 print_freebsd_syscall_ret(num, ret);
997 }
998
999 return ret;
1000 }
1001
1002 void syscall_init(void)
1003 {
1004 init_bsd_ioctl();
1005 }