bsd-user/bsd-file.h

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