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 #include "user/syscall-trace.h" 35 36 #include "bsd-file.h" 37 #include "bsd-proc.h" 38 39 /* *BSD dependent syscall shims */ 40 #include "os-stat.h" 41 42 /* I/O */ 43 safe_syscall3(int, open, const char *, path, int, flags, mode_t, mode); 44 safe_syscall4(int, openat, int, fd, const char *, path, int, flags, mode_t, 45 mode); 46 47 safe_syscall3(ssize_t, read, int, fd, void *, buf, size_t, nbytes); 48 safe_syscall4(ssize_t, pread, int, fd, void *, buf, size_t, nbytes, off_t, 49 offset); 50 safe_syscall3(ssize_t, readv, int, fd, const struct iovec *, iov, int, iovcnt); 51 safe_syscall4(ssize_t, preadv, int, fd, const struct iovec *, iov, int, iovcnt, 52 off_t, offset); 53 54 safe_syscall3(ssize_t, write, int, fd, void *, buf, size_t, nbytes); 55 safe_syscall4(ssize_t, pwrite, int, fd, void *, buf, size_t, nbytes, off_t, 56 offset); 57 safe_syscall3(ssize_t, writev, int, fd, const struct iovec *, iov, int, iovcnt); 58 safe_syscall4(ssize_t, pwritev, int, fd, const struct iovec *, iov, int, iovcnt, 59 off_t, offset); 60 61 void target_set_brk(abi_ulong new_brk) 62 { 63 } 64 65 /* 66 * errno conversion. 67 */ 68 abi_long get_errno(abi_long ret) 69 { 70 if (ret == -1) { 71 return -host_to_target_errno(errno); 72 } else { 73 return ret; 74 } 75 } 76 77 int host_to_target_errno(int err) 78 { 79 /* 80 * All the BSDs have the property that the error numbers are uniform across 81 * all architectures for a given BSD, though they may vary between different 82 * BSDs. 83 */ 84 return err; 85 } 86 87 bool is_error(abi_long ret) 88 { 89 return (abi_ulong)ret >= (abi_ulong)(-4096); 90 } 91 92 /* 93 * Unlocks a iovec. Unlike unlock_iovec, it assumes the tvec array itself is 94 * already locked from target_addr. It will be unlocked as well as all the iovec 95 * elements. 96 */ 97 static void helper_unlock_iovec(struct target_iovec *target_vec, 98 abi_ulong target_addr, struct iovec *vec, 99 int count, int copy) 100 { 101 for (int i = 0; i < count; i++) { 102 abi_ulong base = tswapal(target_vec[i].iov_base); 103 104 if (vec[i].iov_base) { 105 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0); 106 } 107 } 108 unlock_user(target_vec, target_addr, 0); 109 } 110 111 struct iovec *lock_iovec(int type, abi_ulong target_addr, 112 int count, int copy) 113 { 114 struct target_iovec *target_vec; 115 struct iovec *vec; 116 abi_ulong total_len, max_len; 117 int i; 118 int err = 0; 119 120 if (count == 0) { 121 errno = 0; 122 return NULL; 123 } 124 if (count < 0 || count > IOV_MAX) { 125 errno = EINVAL; 126 return NULL; 127 } 128 129 vec = g_try_new0(struct iovec, count); 130 if (vec == NULL) { 131 errno = ENOMEM; 132 return NULL; 133 } 134 135 target_vec = lock_user(VERIFY_READ, target_addr, 136 count * sizeof(struct target_iovec), 1); 137 if (target_vec == NULL) { 138 err = EFAULT; 139 goto fail2; 140 } 141 142 max_len = 0x7fffffff & MIN(TARGET_PAGE_MASK, PAGE_MASK); 143 total_len = 0; 144 145 for (i = 0; i < count; i++) { 146 abi_ulong base = tswapal(target_vec[i].iov_base); 147 abi_long len = tswapal(target_vec[i].iov_len); 148 149 if (len < 0) { 150 err = EINVAL; 151 goto fail; 152 } else if (len == 0) { 153 /* Zero length pointer is ignored. */ 154 vec[i].iov_base = 0; 155 } else { 156 vec[i].iov_base = lock_user(type, base, len, copy); 157 /* 158 * If the first buffer pointer is bad, this is a fault. But 159 * subsequent bad buffers will result in a partial write; this is 160 * realized by filling the vector with null pointers and zero 161 * lengths. 162 */ 163 if (!vec[i].iov_base) { 164 if (i == 0) { 165 err = EFAULT; 166 goto fail; 167 } else { 168 /* 169 * Fail all the subsequent addresses, they are already 170 * zero'd. 171 */ 172 goto out; 173 } 174 } 175 if (len > max_len - total_len) { 176 len = max_len - total_len; 177 } 178 } 179 vec[i].iov_len = len; 180 total_len += len; 181 } 182 out: 183 unlock_user(target_vec, target_addr, 0); 184 return vec; 185 186 fail: 187 helper_unlock_iovec(target_vec, target_addr, vec, i, copy); 188 fail2: 189 g_free(vec); 190 errno = err; 191 return NULL; 192 } 193 194 void unlock_iovec(struct iovec *vec, abi_ulong target_addr, 195 int count, int copy) 196 { 197 struct target_iovec *target_vec; 198 199 target_vec = lock_user(VERIFY_READ, target_addr, 200 count * sizeof(struct target_iovec), 1); 201 if (target_vec) { 202 helper_unlock_iovec(target_vec, target_addr, vec, count, copy); 203 } 204 205 g_free(vec); 206 } 207 208 /* 209 * All errnos that freebsd_syscall() returns must be -TARGET_<errcode>. 210 */ 211 static abi_long freebsd_syscall(void *cpu_env, int num, abi_long arg1, 212 abi_long arg2, abi_long arg3, abi_long arg4, 213 abi_long arg5, abi_long arg6, abi_long arg7, 214 abi_long arg8) 215 { 216 abi_long ret; 217 218 switch (num) { 219 /* 220 * process system calls 221 */ 222 case TARGET_FREEBSD_NR_exit: /* exit(2) */ 223 ret = do_bsd_exit(cpu_env, arg1); 224 break; 225 226 case TARGET_FREEBSD_NR_getgroups: /* getgroups(2) */ 227 ret = do_bsd_getgroups(arg1, arg2); 228 break; 229 230 case TARGET_FREEBSD_NR_setgroups: /* setgroups(2) */ 231 ret = do_bsd_setgroups(arg1, arg2); 232 break; 233 234 case TARGET_FREEBSD_NR_umask: /* umask(2) */ 235 ret = do_bsd_umask(arg1); 236 break; 237 238 case TARGET_FREEBSD_NR_setlogin: /* setlogin(2) */ 239 ret = do_bsd_setlogin(arg1); 240 break; 241 242 case TARGET_FREEBSD_NR_getlogin: /* getlogin(2) */ 243 ret = do_bsd_getlogin(arg1, arg2); 244 break; 245 246 case TARGET_FREEBSD_NR_getrusage: /* getrusage(2) */ 247 ret = do_bsd_getrusage(arg1, arg2); 248 break; 249 250 case TARGET_FREEBSD_NR_getrlimit: /* getrlimit(2) */ 251 ret = do_bsd_getrlimit(arg1, arg2); 252 break; 253 254 case TARGET_FREEBSD_NR_setrlimit: /* setrlimit(2) */ 255 ret = do_bsd_setrlimit(arg1, arg2); 256 break; 257 258 case TARGET_FREEBSD_NR_getpid: /* getpid(2) */ 259 ret = do_bsd_getpid(); 260 break; 261 262 case TARGET_FREEBSD_NR_getppid: /* getppid(2) */ 263 ret = do_bsd_getppid(); 264 break; 265 266 case TARGET_FREEBSD_NR_getuid: /* getuid(2) */ 267 ret = do_bsd_getuid(); 268 break; 269 270 case TARGET_FREEBSD_NR_geteuid: /* geteuid(2) */ 271 ret = do_bsd_geteuid(); 272 break; 273 274 case TARGET_FREEBSD_NR_getgid: /* getgid(2) */ 275 ret = do_bsd_getgid(); 276 break; 277 278 case TARGET_FREEBSD_NR_getegid: /* getegid(2) */ 279 ret = do_bsd_getegid(); 280 break; 281 282 case TARGET_FREEBSD_NR_setuid: /* setuid(2) */ 283 ret = do_bsd_setuid(arg1); 284 break; 285 286 case TARGET_FREEBSD_NR_seteuid: /* seteuid(2) */ 287 ret = do_bsd_seteuid(arg1); 288 break; 289 290 case TARGET_FREEBSD_NR_setgid: /* setgid(2) */ 291 ret = do_bsd_setgid(arg1); 292 break; 293 294 case TARGET_FREEBSD_NR_setegid: /* setegid(2) */ 295 ret = do_bsd_setegid(arg1); 296 break; 297 298 case TARGET_FREEBSD_NR_getpgrp: /* getpgrp(2) */ 299 ret = do_bsd_getpgrp(); 300 break; 301 302 case TARGET_FREEBSD_NR_getpgid: /* getpgid(2) */ 303 ret = do_bsd_getpgid(arg1); 304 break; 305 306 case TARGET_FREEBSD_NR_setpgid: /* setpgid(2) */ 307 ret = do_bsd_setpgid(arg1, arg2); 308 break; 309 310 case TARGET_FREEBSD_NR_setreuid: /* setreuid(2) */ 311 ret = do_bsd_setreuid(arg1, arg2); 312 break; 313 314 case TARGET_FREEBSD_NR_setregid: /* setregid(2) */ 315 ret = do_bsd_setregid(arg1, arg2); 316 break; 317 318 case TARGET_FREEBSD_NR_getresuid: /* getresuid(2) */ 319 ret = do_bsd_getresuid(arg1, arg2, arg3); 320 break; 321 322 case TARGET_FREEBSD_NR_getresgid: /* getresgid(2) */ 323 ret = do_bsd_getresgid(arg1, arg2, arg3); 324 break; 325 326 case TARGET_FREEBSD_NR_setresuid: /* setresuid(2) */ 327 ret = do_bsd_setresuid(arg1, arg2, arg3); 328 break; 329 330 case TARGET_FREEBSD_NR_setresgid: /* setresgid(2) */ 331 ret = do_bsd_setresgid(arg1, arg2, arg3); 332 break; 333 334 case TARGET_FREEBSD_NR_getsid: /* getsid(2) */ 335 ret = do_bsd_getsid(arg1); 336 break; 337 338 case TARGET_FREEBSD_NR_setsid: /* setsid(2) */ 339 ret = do_bsd_setsid(); 340 break; 341 342 case TARGET_FREEBSD_NR_issetugid: /* issetugid(2) */ 343 ret = do_bsd_issetugid(); 344 break; 345 346 case TARGET_FREEBSD_NR_profil: /* profil(2) */ 347 ret = do_bsd_profil(arg1, arg2, arg3, arg4); 348 break; 349 350 case TARGET_FREEBSD_NR_ktrace: /* ktrace(2) */ 351 ret = do_bsd_ktrace(arg1, arg2, arg3, arg4); 352 break; 353 354 case TARGET_FREEBSD_NR_utrace: /* utrace(2) */ 355 ret = do_bsd_utrace(arg1, arg2); 356 break; 357 358 case TARGET_FREEBSD_NR_ptrace: /* ptrace(2) */ 359 ret = do_bsd_ptrace(arg1, arg2, arg3, arg4); 360 break; 361 362 case TARGET_FREEBSD_NR_getpriority: /* getpriority(2) */ 363 ret = do_bsd_getpriority(arg1, arg2); 364 break; 365 366 case TARGET_FREEBSD_NR_setpriority: /* setpriority(2) */ 367 ret = do_bsd_setpriority(arg1, arg2, arg3); 368 break; 369 370 case TARGET_FREEBSD_NR_procctl: /* procctl(2) */ 371 ret = do_freebsd_procctl(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); 372 break; 373 374 /* 375 * File system calls. 376 */ 377 case TARGET_FREEBSD_NR_read: /* read(2) */ 378 ret = do_bsd_read(arg1, arg2, arg3); 379 break; 380 381 case TARGET_FREEBSD_NR_pread: /* pread(2) */ 382 ret = do_bsd_pread(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); 383 break; 384 385 case TARGET_FREEBSD_NR_readv: /* readv(2) */ 386 ret = do_bsd_readv(arg1, arg2, arg3); 387 break; 388 389 case TARGET_FREEBSD_NR_preadv: /* preadv(2) */ 390 ret = do_bsd_preadv(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); 391 break; 392 393 case TARGET_FREEBSD_NR_write: /* write(2) */ 394 ret = do_bsd_write(arg1, arg2, arg3); 395 break; 396 397 case TARGET_FREEBSD_NR_pwrite: /* pwrite(2) */ 398 ret = do_bsd_pwrite(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); 399 break; 400 401 case TARGET_FREEBSD_NR_writev: /* writev(2) */ 402 ret = do_bsd_writev(arg1, arg2, arg3); 403 break; 404 405 case TARGET_FREEBSD_NR_pwritev: /* pwritev(2) */ 406 ret = do_bsd_pwritev(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); 407 break; 408 409 case TARGET_FREEBSD_NR_open: /* open(2) */ 410 ret = do_bsd_open(arg1, arg2, arg3); 411 break; 412 413 case TARGET_FREEBSD_NR_openat: /* openat(2) */ 414 ret = do_bsd_openat(arg1, arg2, arg3, arg4); 415 break; 416 417 case TARGET_FREEBSD_NR_close: /* close(2) */ 418 ret = do_bsd_close(arg1); 419 break; 420 421 case TARGET_FREEBSD_NR_fdatasync: /* fdatasync(2) */ 422 ret = do_bsd_fdatasync(arg1); 423 break; 424 425 case TARGET_FREEBSD_NR_fsync: /* fsync(2) */ 426 ret = do_bsd_fsync(arg1); 427 break; 428 429 case TARGET_FREEBSD_NR_freebsd12_closefrom: /* closefrom(2) */ 430 ret = do_bsd_closefrom(arg1); 431 break; 432 433 case TARGET_FREEBSD_NR_revoke: /* revoke(2) */ 434 ret = do_bsd_revoke(arg1); 435 break; 436 437 case TARGET_FREEBSD_NR_access: /* access(2) */ 438 ret = do_bsd_access(arg1, arg2); 439 break; 440 441 case TARGET_FREEBSD_NR_eaccess: /* eaccess(2) */ 442 ret = do_bsd_eaccess(arg1, arg2); 443 break; 444 445 case TARGET_FREEBSD_NR_faccessat: /* faccessat(2) */ 446 ret = do_bsd_faccessat(arg1, arg2, arg3, arg4); 447 break; 448 449 case TARGET_FREEBSD_NR_chdir: /* chdir(2) */ 450 ret = do_bsd_chdir(arg1); 451 break; 452 453 case TARGET_FREEBSD_NR_fchdir: /* fchdir(2) */ 454 ret = do_bsd_fchdir(arg1); 455 break; 456 457 case TARGET_FREEBSD_NR_rename: /* rename(2) */ 458 ret = do_bsd_rename(arg1, arg2); 459 break; 460 461 case TARGET_FREEBSD_NR_renameat: /* renameat(2) */ 462 ret = do_bsd_renameat(arg1, arg2, arg3, arg4); 463 break; 464 465 case TARGET_FREEBSD_NR_link: /* link(2) */ 466 ret = do_bsd_link(arg1, arg2); 467 break; 468 469 case TARGET_FREEBSD_NR_linkat: /* linkat(2) */ 470 ret = do_bsd_linkat(arg1, arg2, arg3, arg4, arg5); 471 break; 472 473 case TARGET_FREEBSD_NR_unlink: /* unlink(2) */ 474 ret = do_bsd_unlink(arg1); 475 break; 476 477 case TARGET_FREEBSD_NR_unlinkat: /* unlinkat(2) */ 478 ret = do_bsd_unlinkat(arg1, arg2, arg3); 479 break; 480 481 case TARGET_FREEBSD_NR_mkdir: /* mkdir(2) */ 482 ret = do_bsd_mkdir(arg1, arg2); 483 break; 484 485 case TARGET_FREEBSD_NR_mkdirat: /* mkdirat(2) */ 486 ret = do_bsd_mkdirat(arg1, arg2, arg3); 487 break; 488 489 case TARGET_FREEBSD_NR_rmdir: /* rmdir(2) (XXX no rmdirat()?) */ 490 ret = do_bsd_rmdir(arg1); 491 break; 492 493 case TARGET_FREEBSD_NR___getcwd: /* undocumented __getcwd() */ 494 ret = do_bsd___getcwd(arg1, arg2); 495 break; 496 497 case TARGET_FREEBSD_NR_dup: /* dup(2) */ 498 ret = do_bsd_dup(arg1); 499 break; 500 501 case TARGET_FREEBSD_NR_dup2: /* dup2(2) */ 502 ret = do_bsd_dup2(arg1, arg2); 503 break; 504 505 case TARGET_FREEBSD_NR_truncate: /* truncate(2) */ 506 ret = do_bsd_truncate(cpu_env, arg1, arg2, arg3, arg4); 507 break; 508 509 case TARGET_FREEBSD_NR_ftruncate: /* ftruncate(2) */ 510 ret = do_bsd_ftruncate(cpu_env, arg1, arg2, arg3, arg4); 511 break; 512 513 case TARGET_FREEBSD_NR_acct: /* acct(2) */ 514 ret = do_bsd_acct(arg1); 515 break; 516 517 case TARGET_FREEBSD_NR_sync: /* sync(2) */ 518 ret = do_bsd_sync(); 519 break; 520 521 case TARGET_FREEBSD_NR_mount: /* mount(2) */ 522 ret = do_bsd_mount(arg1, arg2, arg3, arg4); 523 break; 524 525 case TARGET_FREEBSD_NR_unmount: /* unmount(2) */ 526 ret = do_bsd_unmount(arg1, arg2); 527 break; 528 529 case TARGET_FREEBSD_NR_nmount: /* nmount(2) */ 530 ret = do_bsd_nmount(arg1, arg2, arg3); 531 break; 532 533 case TARGET_FREEBSD_NR_symlink: /* symlink(2) */ 534 ret = do_bsd_symlink(arg1, arg2); 535 break; 536 537 case TARGET_FREEBSD_NR_symlinkat: /* symlinkat(2) */ 538 ret = do_bsd_symlinkat(arg1, arg2, arg3); 539 break; 540 541 case TARGET_FREEBSD_NR_readlink: /* readlink(2) */ 542 ret = do_bsd_readlink(cpu_env, arg1, arg2, arg3); 543 break; 544 545 case TARGET_FREEBSD_NR_readlinkat: /* readlinkat(2) */ 546 ret = do_bsd_readlinkat(arg1, arg2, arg3, arg4); 547 break; 548 549 case TARGET_FREEBSD_NR_chmod: /* chmod(2) */ 550 ret = do_bsd_chmod(arg1, arg2); 551 break; 552 553 case TARGET_FREEBSD_NR_fchmod: /* fchmod(2) */ 554 ret = do_bsd_fchmod(arg1, arg2); 555 break; 556 557 case TARGET_FREEBSD_NR_lchmod: /* lchmod(2) */ 558 ret = do_bsd_lchmod(arg1, arg2); 559 break; 560 561 case TARGET_FREEBSD_NR_fchmodat: /* fchmodat(2) */ 562 ret = do_bsd_fchmodat(arg1, arg2, arg3, arg4); 563 break; 564 565 case TARGET_FREEBSD_NR_freebsd11_mknod: /* mknod(2) */ 566 ret = do_bsd_freebsd11_mknod(arg1, arg2, arg3); 567 break; 568 569 case TARGET_FREEBSD_NR_freebsd11_mknodat: /* mknodat(2) */ 570 ret = do_bsd_freebsd11_mknodat(arg1, arg2, arg3, arg4); 571 break; 572 573 case TARGET_FREEBSD_NR_mknodat: /* mknodat(2) */ 574 ret = do_bsd_mknodat(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); 575 break; 576 577 case TARGET_FREEBSD_NR_chown: /* chown(2) */ 578 ret = do_bsd_chown(arg1, arg2, arg3); 579 break; 580 581 case TARGET_FREEBSD_NR_fchown: /* fchown(2) */ 582 ret = do_bsd_fchown(arg1, arg2, arg3); 583 break; 584 585 case TARGET_FREEBSD_NR_lchown: /* lchown(2) */ 586 ret = do_bsd_lchown(arg1, arg2, arg3); 587 break; 588 589 case TARGET_FREEBSD_NR_fchownat: /* fchownat(2) */ 590 ret = do_bsd_fchownat(arg1, arg2, arg3, arg4, arg5); 591 break; 592 593 case TARGET_FREEBSD_NR_chflags: /* chflags(2) */ 594 ret = do_bsd_chflags(arg1, arg2); 595 break; 596 597 case TARGET_FREEBSD_NR_lchflags: /* lchflags(2) */ 598 ret = do_bsd_lchflags(arg1, arg2); 599 break; 600 601 case TARGET_FREEBSD_NR_fchflags: /* fchflags(2) */ 602 ret = do_bsd_fchflags(arg1, arg2); 603 break; 604 605 case TARGET_FREEBSD_NR_chroot: /* chroot(2) */ 606 ret = do_bsd_chroot(arg1); 607 break; 608 609 case TARGET_FREEBSD_NR_flock: /* flock(2) */ 610 ret = do_bsd_flock(arg1, arg2); 611 break; 612 613 case TARGET_FREEBSD_NR_mkfifo: /* mkfifo(2) */ 614 ret = do_bsd_mkfifo(arg1, arg2); 615 break; 616 617 case TARGET_FREEBSD_NR_mkfifoat: /* mkfifoat(2) */ 618 ret = do_bsd_mkfifoat(arg1, arg2, arg3); 619 break; 620 621 case TARGET_FREEBSD_NR_pathconf: /* pathconf(2) */ 622 ret = do_bsd_pathconf(arg1, arg2); 623 break; 624 625 case TARGET_FREEBSD_NR_lpathconf: /* lpathconf(2) */ 626 ret = do_bsd_lpathconf(arg1, arg2); 627 break; 628 629 case TARGET_FREEBSD_NR_fpathconf: /* fpathconf(2) */ 630 ret = do_bsd_fpathconf(arg1, arg2); 631 break; 632 633 case TARGET_FREEBSD_NR_undelete: /* undelete(2) */ 634 ret = do_bsd_undelete(arg1); 635 break; 636 637 /* 638 * stat system calls 639 */ 640 case TARGET_FREEBSD_NR_freebsd11_stat: /* stat(2) */ 641 ret = do_freebsd11_stat(arg1, arg2); 642 break; 643 644 case TARGET_FREEBSD_NR_freebsd11_lstat: /* lstat(2) */ 645 ret = do_freebsd11_lstat(arg1, arg2); 646 break; 647 648 case TARGET_FREEBSD_NR_freebsd11_fstat: /* fstat(2) */ 649 ret = do_freebsd11_fstat(arg1, arg2); 650 break; 651 652 case TARGET_FREEBSD_NR_fstat: /* fstat(2) */ 653 ret = do_freebsd_fstat(arg1, arg2); 654 break; 655 656 case TARGET_FREEBSD_NR_freebsd11_fstatat: /* fstatat(2) */ 657 ret = do_freebsd11_fstatat(arg1, arg2, arg3, arg4); 658 break; 659 660 case TARGET_FREEBSD_NR_fstatat: /* fstatat(2) */ 661 ret = do_freebsd_fstatat(arg1, arg2, arg3, arg4); 662 break; 663 664 case TARGET_FREEBSD_NR_freebsd11_nstat: /* undocumented */ 665 ret = do_freebsd11_nstat(arg1, arg2); 666 break; 667 668 case TARGET_FREEBSD_NR_freebsd11_nfstat: /* undocumented */ 669 ret = do_freebsd11_nfstat(arg1, arg2); 670 break; 671 672 case TARGET_FREEBSD_NR_freebsd11_nlstat: /* undocumented */ 673 ret = do_freebsd11_nlstat(arg1, arg2); 674 break; 675 676 case TARGET_FREEBSD_NR_getfh: /* getfh(2) */ 677 ret = do_freebsd_getfh(arg1, arg2); 678 break; 679 680 case TARGET_FREEBSD_NR_lgetfh: /* lgetfh(2) */ 681 ret = do_freebsd_lgetfh(arg1, arg2); 682 break; 683 684 case TARGET_FREEBSD_NR_fhopen: /* fhopen(2) */ 685 ret = do_freebsd_fhopen(arg1, arg2); 686 break; 687 688 case TARGET_FREEBSD_NR_freebsd11_fhstat: /* fhstat(2) */ 689 ret = do_freebsd11_fhstat(arg1, arg2); 690 break; 691 692 case TARGET_FREEBSD_NR_fhstat: /* fhstat(2) */ 693 ret = do_freebsd_fhstat(arg1, arg2); 694 break; 695 696 case TARGET_FREEBSD_NR_freebsd11_fhstatfs: /* fhstatfs(2) */ 697 ret = do_freebsd11_fhstatfs(arg1, arg2); 698 break; 699 700 case TARGET_FREEBSD_NR_fhstatfs: /* fhstatfs(2) */ 701 ret = do_freebsd_fhstatfs(arg1, arg2); 702 break; 703 704 case TARGET_FREEBSD_NR_freebsd11_statfs: /* statfs(2) */ 705 ret = do_freebsd11_statfs(arg1, arg2); 706 break; 707 708 case TARGET_FREEBSD_NR_statfs: /* statfs(2) */ 709 ret = do_freebsd_statfs(arg1, arg2); 710 break; 711 712 case TARGET_FREEBSD_NR_freebsd11_fstatfs: /* fstatfs(2) */ 713 ret = do_freebsd11_fstatfs(arg1, arg2); 714 break; 715 716 case TARGET_FREEBSD_NR_fstatfs: /* fstatfs(2) */ 717 ret = do_freebsd_fstatfs(arg1, arg2); 718 break; 719 720 case TARGET_FREEBSD_NR_freebsd11_getfsstat: /* getfsstat(2) */ 721 ret = do_freebsd11_getfsstat(arg1, arg2, arg3); 722 break; 723 724 case TARGET_FREEBSD_NR_getfsstat: /* getfsstat(2) */ 725 ret = do_freebsd_getfsstat(arg1, arg2, arg3); 726 break; 727 728 case TARGET_FREEBSD_NR_freebsd11_getdents: /* getdents(2) */ 729 ret = do_freebsd11_getdents(arg1, arg2, arg3); 730 break; 731 732 case TARGET_FREEBSD_NR_getdirentries: /* getdirentries(2) */ 733 ret = do_freebsd_getdirentries(arg1, arg2, arg3, arg4); 734 break; 735 736 case TARGET_FREEBSD_NR_freebsd11_getdirentries: /* getdirentries(2) */ 737 ret = do_freebsd11_getdirentries(arg1, arg2, arg3, arg4); 738 break; 739 case TARGET_FREEBSD_NR_fcntl: /* fcntl(2) */ 740 ret = do_freebsd_fcntl(arg1, arg2, arg3); 741 break; 742 743 744 /* 745 * sys{ctl, arch, call} 746 */ 747 case TARGET_FREEBSD_NR___sysctl: /* sysctl(3) */ 748 ret = do_freebsd_sysctl(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); 749 break; 750 751 case TARGET_FREEBSD_NR___sysctlbyname: /* sysctlbyname(2) */ 752 ret = do_freebsd_sysctlbyname(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); 753 break; 754 755 case TARGET_FREEBSD_NR_sysarch: /* sysarch(2) */ 756 ret = do_freebsd_sysarch(cpu_env, arg1, arg2); 757 break; 758 759 default: 760 qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num); 761 ret = -TARGET_ENOSYS; 762 break; 763 } 764 765 return ret; 766 } 767 768 /* 769 * do_freebsd_syscall() should always have a single exit point at the end so 770 * that actions, such as logging of syscall results, can be performed. This 771 * as a wrapper around freebsd_syscall() so that actually happens. Since 772 * that is a singleton, modern compilers will inline it anyway... 773 */ 774 abi_long do_freebsd_syscall(void *cpu_env, int num, abi_long arg1, 775 abi_long arg2, abi_long arg3, abi_long arg4, 776 abi_long arg5, abi_long arg6, abi_long arg7, 777 abi_long arg8) 778 { 779 abi_long ret; 780 781 if (do_strace) { 782 print_freebsd_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6); 783 } 784 785 ret = freebsd_syscall(cpu_env, num, arg1, arg2, arg3, arg4, arg5, arg6, 786 arg7, arg8); 787 if (do_strace) { 788 print_freebsd_syscall_ret(num, ret); 789 } 790 791 return ret; 792 } 793 794 void syscall_init(void) 795 { 796 } 797