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 #include "os-proc.h" 42 43 /* used in os-proc */ 44 safe_syscall4(pid_t, wait4, pid_t, wpid, int *, status, int, options, 45 struct rusage *, rusage); 46 safe_syscall6(pid_t, wait6, idtype_t, idtype, id_t, id, int *, status, int, 47 options, struct __wrusage *, wrusage, siginfo_t *, infop); 48 49 /* I/O */ 50 safe_syscall3(int, open, const char *, path, int, flags, mode_t, mode); 51 safe_syscall4(int, openat, int, fd, const char *, path, int, flags, mode_t, 52 mode); 53 54 safe_syscall3(ssize_t, read, int, fd, void *, buf, size_t, nbytes); 55 safe_syscall4(ssize_t, pread, int, fd, void *, buf, size_t, nbytes, off_t, 56 offset); 57 safe_syscall3(ssize_t, readv, int, fd, const struct iovec *, iov, int, iovcnt); 58 safe_syscall4(ssize_t, preadv, int, fd, const struct iovec *, iov, int, iovcnt, 59 off_t, offset); 60 61 safe_syscall3(ssize_t, write, int, fd, void *, buf, size_t, nbytes); 62 safe_syscall4(ssize_t, pwrite, int, fd, void *, buf, size_t, nbytes, off_t, 63 offset); 64 safe_syscall3(ssize_t, writev, int, fd, const struct iovec *, iov, int, iovcnt); 65 safe_syscall4(ssize_t, pwritev, int, fd, const struct iovec *, iov, int, iovcnt, 66 off_t, offset); 67 68 void target_set_brk(abi_ulong new_brk) 69 { 70 } 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_execve: /* execve(2) */ 230 ret = do_freebsd_execve(arg1, arg2, arg3); 231 break; 232 233 case TARGET_FREEBSD_NR_fexecve: /* fexecve(2) */ 234 ret = do_freebsd_fexecve(arg1, arg2, arg3); 235 break; 236 237 case TARGET_FREEBSD_NR_wait4: /* wait4(2) */ 238 ret = do_freebsd_wait4(arg1, arg2, arg3, arg4); 239 break; 240 241 case TARGET_FREEBSD_NR_wait6: /* wait6(2) */ 242 ret = do_freebsd_wait6(cpu_env, arg1, arg2, arg3, 243 arg4, arg5, arg6, arg7, arg8); 244 break; 245 246 case TARGET_FREEBSD_NR_exit: /* exit(2) */ 247 ret = do_bsd_exit(cpu_env, arg1); 248 break; 249 250 case TARGET_FREEBSD_NR_getgroups: /* getgroups(2) */ 251 ret = do_bsd_getgroups(arg1, arg2); 252 break; 253 254 case TARGET_FREEBSD_NR_setgroups: /* setgroups(2) */ 255 ret = do_bsd_setgroups(arg1, arg2); 256 break; 257 258 case TARGET_FREEBSD_NR_umask: /* umask(2) */ 259 ret = do_bsd_umask(arg1); 260 break; 261 262 case TARGET_FREEBSD_NR_setlogin: /* setlogin(2) */ 263 ret = do_bsd_setlogin(arg1); 264 break; 265 266 case TARGET_FREEBSD_NR_getlogin: /* getlogin(2) */ 267 ret = do_bsd_getlogin(arg1, arg2); 268 break; 269 270 case TARGET_FREEBSD_NR_getrusage: /* getrusage(2) */ 271 ret = do_bsd_getrusage(arg1, arg2); 272 break; 273 274 case TARGET_FREEBSD_NR_getrlimit: /* getrlimit(2) */ 275 ret = do_bsd_getrlimit(arg1, arg2); 276 break; 277 278 case TARGET_FREEBSD_NR_setrlimit: /* setrlimit(2) */ 279 ret = do_bsd_setrlimit(arg1, arg2); 280 break; 281 282 case TARGET_FREEBSD_NR_getpid: /* getpid(2) */ 283 ret = do_bsd_getpid(); 284 break; 285 286 case TARGET_FREEBSD_NR_getppid: /* getppid(2) */ 287 ret = do_bsd_getppid(); 288 break; 289 290 case TARGET_FREEBSD_NR_getuid: /* getuid(2) */ 291 ret = do_bsd_getuid(); 292 break; 293 294 case TARGET_FREEBSD_NR_geteuid: /* geteuid(2) */ 295 ret = do_bsd_geteuid(); 296 break; 297 298 case TARGET_FREEBSD_NR_getgid: /* getgid(2) */ 299 ret = do_bsd_getgid(); 300 break; 301 302 case TARGET_FREEBSD_NR_getegid: /* getegid(2) */ 303 ret = do_bsd_getegid(); 304 break; 305 306 case TARGET_FREEBSD_NR_setuid: /* setuid(2) */ 307 ret = do_bsd_setuid(arg1); 308 break; 309 310 case TARGET_FREEBSD_NR_seteuid: /* seteuid(2) */ 311 ret = do_bsd_seteuid(arg1); 312 break; 313 314 case TARGET_FREEBSD_NR_setgid: /* setgid(2) */ 315 ret = do_bsd_setgid(arg1); 316 break; 317 318 case TARGET_FREEBSD_NR_setegid: /* setegid(2) */ 319 ret = do_bsd_setegid(arg1); 320 break; 321 322 case TARGET_FREEBSD_NR_getpgrp: /* getpgrp(2) */ 323 ret = do_bsd_getpgrp(); 324 break; 325 326 case TARGET_FREEBSD_NR_getpgid: /* getpgid(2) */ 327 ret = do_bsd_getpgid(arg1); 328 break; 329 330 case TARGET_FREEBSD_NR_setpgid: /* setpgid(2) */ 331 ret = do_bsd_setpgid(arg1, arg2); 332 break; 333 334 case TARGET_FREEBSD_NR_setreuid: /* setreuid(2) */ 335 ret = do_bsd_setreuid(arg1, arg2); 336 break; 337 338 case TARGET_FREEBSD_NR_setregid: /* setregid(2) */ 339 ret = do_bsd_setregid(arg1, arg2); 340 break; 341 342 case TARGET_FREEBSD_NR_getresuid: /* getresuid(2) */ 343 ret = do_bsd_getresuid(arg1, arg2, arg3); 344 break; 345 346 case TARGET_FREEBSD_NR_getresgid: /* getresgid(2) */ 347 ret = do_bsd_getresgid(arg1, arg2, arg3); 348 break; 349 350 case TARGET_FREEBSD_NR_setresuid: /* setresuid(2) */ 351 ret = do_bsd_setresuid(arg1, arg2, arg3); 352 break; 353 354 case TARGET_FREEBSD_NR_setresgid: /* setresgid(2) */ 355 ret = do_bsd_setresgid(arg1, arg2, arg3); 356 break; 357 358 case TARGET_FREEBSD_NR_getsid: /* getsid(2) */ 359 ret = do_bsd_getsid(arg1); 360 break; 361 362 case TARGET_FREEBSD_NR_setsid: /* setsid(2) */ 363 ret = do_bsd_setsid(); 364 break; 365 366 case TARGET_FREEBSD_NR_issetugid: /* issetugid(2) */ 367 ret = do_bsd_issetugid(); 368 break; 369 370 case TARGET_FREEBSD_NR_profil: /* profil(2) */ 371 ret = do_bsd_profil(arg1, arg2, arg3, arg4); 372 break; 373 374 case TARGET_FREEBSD_NR_ktrace: /* ktrace(2) */ 375 ret = do_bsd_ktrace(arg1, arg2, arg3, arg4); 376 break; 377 378 case TARGET_FREEBSD_NR_setloginclass: /* setloginclass(2) */ 379 ret = do_freebsd_setloginclass(arg1); 380 break; 381 382 case TARGET_FREEBSD_NR_getloginclass: /* getloginclass(2) */ 383 ret = do_freebsd_getloginclass(arg1, arg2); 384 break; 385 386 case TARGET_FREEBSD_NR_pdgetpid: /* pdgetpid(2) */ 387 ret = do_freebsd_pdgetpid(arg1, arg2); 388 break; 389 390 case TARGET_FREEBSD_NR___setugid: /* undocumented */ 391 ret = do_freebsd___setugid(arg1); 392 break; 393 394 case TARGET_FREEBSD_NR_utrace: /* utrace(2) */ 395 ret = do_bsd_utrace(arg1, arg2); 396 break; 397 398 case TARGET_FREEBSD_NR_ptrace: /* ptrace(2) */ 399 ret = do_bsd_ptrace(arg1, arg2, arg3, arg4); 400 break; 401 402 case TARGET_FREEBSD_NR_getpriority: /* getpriority(2) */ 403 ret = do_bsd_getpriority(arg1, arg2); 404 break; 405 406 case TARGET_FREEBSD_NR_setpriority: /* setpriority(2) */ 407 ret = do_bsd_setpriority(arg1, arg2, arg3); 408 break; 409 410 case TARGET_FREEBSD_NR_procctl: /* procctl(2) */ 411 ret = do_freebsd_procctl(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); 412 break; 413 414 /* 415 * File system calls. 416 */ 417 case TARGET_FREEBSD_NR_read: /* read(2) */ 418 ret = do_bsd_read(arg1, arg2, arg3); 419 break; 420 421 case TARGET_FREEBSD_NR_pread: /* pread(2) */ 422 ret = do_bsd_pread(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); 423 break; 424 425 case TARGET_FREEBSD_NR_readv: /* readv(2) */ 426 ret = do_bsd_readv(arg1, arg2, arg3); 427 break; 428 429 case TARGET_FREEBSD_NR_preadv: /* preadv(2) */ 430 ret = do_bsd_preadv(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); 431 break; 432 433 case TARGET_FREEBSD_NR_write: /* write(2) */ 434 ret = do_bsd_write(arg1, arg2, arg3); 435 break; 436 437 case TARGET_FREEBSD_NR_pwrite: /* pwrite(2) */ 438 ret = do_bsd_pwrite(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); 439 break; 440 441 case TARGET_FREEBSD_NR_writev: /* writev(2) */ 442 ret = do_bsd_writev(arg1, arg2, arg3); 443 break; 444 445 case TARGET_FREEBSD_NR_pwritev: /* pwritev(2) */ 446 ret = do_bsd_pwritev(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); 447 break; 448 449 case TARGET_FREEBSD_NR_open: /* open(2) */ 450 ret = do_bsd_open(arg1, arg2, arg3); 451 break; 452 453 case TARGET_FREEBSD_NR_openat: /* openat(2) */ 454 ret = do_bsd_openat(arg1, arg2, arg3, arg4); 455 break; 456 457 case TARGET_FREEBSD_NR_close: /* close(2) */ 458 ret = do_bsd_close(arg1); 459 break; 460 461 case TARGET_FREEBSD_NR_fdatasync: /* fdatasync(2) */ 462 ret = do_bsd_fdatasync(arg1); 463 break; 464 465 case TARGET_FREEBSD_NR_fsync: /* fsync(2) */ 466 ret = do_bsd_fsync(arg1); 467 break; 468 469 case TARGET_FREEBSD_NR_freebsd12_closefrom: /* closefrom(2) */ 470 ret = do_bsd_closefrom(arg1); 471 break; 472 473 case TARGET_FREEBSD_NR_revoke: /* revoke(2) */ 474 ret = do_bsd_revoke(arg1); 475 break; 476 477 case TARGET_FREEBSD_NR_access: /* access(2) */ 478 ret = do_bsd_access(arg1, arg2); 479 break; 480 481 case TARGET_FREEBSD_NR_eaccess: /* eaccess(2) */ 482 ret = do_bsd_eaccess(arg1, arg2); 483 break; 484 485 case TARGET_FREEBSD_NR_faccessat: /* faccessat(2) */ 486 ret = do_bsd_faccessat(arg1, arg2, arg3, arg4); 487 break; 488 489 case TARGET_FREEBSD_NR_chdir: /* chdir(2) */ 490 ret = do_bsd_chdir(arg1); 491 break; 492 493 case TARGET_FREEBSD_NR_fchdir: /* fchdir(2) */ 494 ret = do_bsd_fchdir(arg1); 495 break; 496 497 case TARGET_FREEBSD_NR_rename: /* rename(2) */ 498 ret = do_bsd_rename(arg1, arg2); 499 break; 500 501 case TARGET_FREEBSD_NR_renameat: /* renameat(2) */ 502 ret = do_bsd_renameat(arg1, arg2, arg3, arg4); 503 break; 504 505 case TARGET_FREEBSD_NR_link: /* link(2) */ 506 ret = do_bsd_link(arg1, arg2); 507 break; 508 509 case TARGET_FREEBSD_NR_linkat: /* linkat(2) */ 510 ret = do_bsd_linkat(arg1, arg2, arg3, arg4, arg5); 511 break; 512 513 case TARGET_FREEBSD_NR_unlink: /* unlink(2) */ 514 ret = do_bsd_unlink(arg1); 515 break; 516 517 case TARGET_FREEBSD_NR_unlinkat: /* unlinkat(2) */ 518 ret = do_bsd_unlinkat(arg1, arg2, arg3); 519 break; 520 521 case TARGET_FREEBSD_NR_mkdir: /* mkdir(2) */ 522 ret = do_bsd_mkdir(arg1, arg2); 523 break; 524 525 case TARGET_FREEBSD_NR_mkdirat: /* mkdirat(2) */ 526 ret = do_bsd_mkdirat(arg1, arg2, arg3); 527 break; 528 529 case TARGET_FREEBSD_NR_rmdir: /* rmdir(2) (XXX no rmdirat()?) */ 530 ret = do_bsd_rmdir(arg1); 531 break; 532 533 case TARGET_FREEBSD_NR___getcwd: /* undocumented __getcwd() */ 534 ret = do_bsd___getcwd(arg1, arg2); 535 break; 536 537 case TARGET_FREEBSD_NR_dup: /* dup(2) */ 538 ret = do_bsd_dup(arg1); 539 break; 540 541 case TARGET_FREEBSD_NR_dup2: /* dup2(2) */ 542 ret = do_bsd_dup2(arg1, arg2); 543 break; 544 545 case TARGET_FREEBSD_NR_truncate: /* truncate(2) */ 546 ret = do_bsd_truncate(cpu_env, arg1, arg2, arg3, arg4); 547 break; 548 549 case TARGET_FREEBSD_NR_ftruncate: /* ftruncate(2) */ 550 ret = do_bsd_ftruncate(cpu_env, arg1, arg2, arg3, arg4); 551 break; 552 553 case TARGET_FREEBSD_NR_acct: /* acct(2) */ 554 ret = do_bsd_acct(arg1); 555 break; 556 557 case TARGET_FREEBSD_NR_sync: /* sync(2) */ 558 ret = do_bsd_sync(); 559 break; 560 561 case TARGET_FREEBSD_NR_mount: /* mount(2) */ 562 ret = do_bsd_mount(arg1, arg2, arg3, arg4); 563 break; 564 565 case TARGET_FREEBSD_NR_unmount: /* unmount(2) */ 566 ret = do_bsd_unmount(arg1, arg2); 567 break; 568 569 case TARGET_FREEBSD_NR_nmount: /* nmount(2) */ 570 ret = do_bsd_nmount(arg1, arg2, arg3); 571 break; 572 573 case TARGET_FREEBSD_NR_symlink: /* symlink(2) */ 574 ret = do_bsd_symlink(arg1, arg2); 575 break; 576 577 case TARGET_FREEBSD_NR_symlinkat: /* symlinkat(2) */ 578 ret = do_bsd_symlinkat(arg1, arg2, arg3); 579 break; 580 581 case TARGET_FREEBSD_NR_readlink: /* readlink(2) */ 582 ret = do_bsd_readlink(cpu_env, arg1, arg2, arg3); 583 break; 584 585 case TARGET_FREEBSD_NR_readlinkat: /* readlinkat(2) */ 586 ret = do_bsd_readlinkat(arg1, arg2, arg3, arg4); 587 break; 588 589 case TARGET_FREEBSD_NR_chmod: /* chmod(2) */ 590 ret = do_bsd_chmod(arg1, arg2); 591 break; 592 593 case TARGET_FREEBSD_NR_fchmod: /* fchmod(2) */ 594 ret = do_bsd_fchmod(arg1, arg2); 595 break; 596 597 case TARGET_FREEBSD_NR_lchmod: /* lchmod(2) */ 598 ret = do_bsd_lchmod(arg1, arg2); 599 break; 600 601 case TARGET_FREEBSD_NR_fchmodat: /* fchmodat(2) */ 602 ret = do_bsd_fchmodat(arg1, arg2, arg3, arg4); 603 break; 604 605 case TARGET_FREEBSD_NR_freebsd11_mknod: /* mknod(2) */ 606 ret = do_bsd_freebsd11_mknod(arg1, arg2, arg3); 607 break; 608 609 case TARGET_FREEBSD_NR_freebsd11_mknodat: /* mknodat(2) */ 610 ret = do_bsd_freebsd11_mknodat(arg1, arg2, arg3, arg4); 611 break; 612 613 case TARGET_FREEBSD_NR_mknodat: /* mknodat(2) */ 614 ret = do_bsd_mknodat(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); 615 break; 616 617 case TARGET_FREEBSD_NR_chown: /* chown(2) */ 618 ret = do_bsd_chown(arg1, arg2, arg3); 619 break; 620 621 case TARGET_FREEBSD_NR_fchown: /* fchown(2) */ 622 ret = do_bsd_fchown(arg1, arg2, arg3); 623 break; 624 625 case TARGET_FREEBSD_NR_lchown: /* lchown(2) */ 626 ret = do_bsd_lchown(arg1, arg2, arg3); 627 break; 628 629 case TARGET_FREEBSD_NR_fchownat: /* fchownat(2) */ 630 ret = do_bsd_fchownat(arg1, arg2, arg3, arg4, arg5); 631 break; 632 633 case TARGET_FREEBSD_NR_chflags: /* chflags(2) */ 634 ret = do_bsd_chflags(arg1, arg2); 635 break; 636 637 case TARGET_FREEBSD_NR_lchflags: /* lchflags(2) */ 638 ret = do_bsd_lchflags(arg1, arg2); 639 break; 640 641 case TARGET_FREEBSD_NR_fchflags: /* fchflags(2) */ 642 ret = do_bsd_fchflags(arg1, arg2); 643 break; 644 645 case TARGET_FREEBSD_NR_chroot: /* chroot(2) */ 646 ret = do_bsd_chroot(arg1); 647 break; 648 649 case TARGET_FREEBSD_NR_flock: /* flock(2) */ 650 ret = do_bsd_flock(arg1, arg2); 651 break; 652 653 case TARGET_FREEBSD_NR_mkfifo: /* mkfifo(2) */ 654 ret = do_bsd_mkfifo(arg1, arg2); 655 break; 656 657 case TARGET_FREEBSD_NR_mkfifoat: /* mkfifoat(2) */ 658 ret = do_bsd_mkfifoat(arg1, arg2, arg3); 659 break; 660 661 case TARGET_FREEBSD_NR_pathconf: /* pathconf(2) */ 662 ret = do_bsd_pathconf(arg1, arg2); 663 break; 664 665 case TARGET_FREEBSD_NR_lpathconf: /* lpathconf(2) */ 666 ret = do_bsd_lpathconf(arg1, arg2); 667 break; 668 669 case TARGET_FREEBSD_NR_fpathconf: /* fpathconf(2) */ 670 ret = do_bsd_fpathconf(arg1, arg2); 671 break; 672 673 case TARGET_FREEBSD_NR_undelete: /* undelete(2) */ 674 ret = do_bsd_undelete(arg1); 675 break; 676 677 /* 678 * stat system calls 679 */ 680 case TARGET_FREEBSD_NR_freebsd11_stat: /* stat(2) */ 681 ret = do_freebsd11_stat(arg1, arg2); 682 break; 683 684 case TARGET_FREEBSD_NR_freebsd11_lstat: /* lstat(2) */ 685 ret = do_freebsd11_lstat(arg1, arg2); 686 break; 687 688 case TARGET_FREEBSD_NR_freebsd11_fstat: /* fstat(2) */ 689 ret = do_freebsd11_fstat(arg1, arg2); 690 break; 691 692 case TARGET_FREEBSD_NR_fstat: /* fstat(2) */ 693 ret = do_freebsd_fstat(arg1, arg2); 694 break; 695 696 case TARGET_FREEBSD_NR_freebsd11_fstatat: /* fstatat(2) */ 697 ret = do_freebsd11_fstatat(arg1, arg2, arg3, arg4); 698 break; 699 700 case TARGET_FREEBSD_NR_fstatat: /* fstatat(2) */ 701 ret = do_freebsd_fstatat(arg1, arg2, arg3, arg4); 702 break; 703 704 case TARGET_FREEBSD_NR_freebsd11_nstat: /* undocumented */ 705 ret = do_freebsd11_nstat(arg1, arg2); 706 break; 707 708 case TARGET_FREEBSD_NR_freebsd11_nfstat: /* undocumented */ 709 ret = do_freebsd11_nfstat(arg1, arg2); 710 break; 711 712 case TARGET_FREEBSD_NR_freebsd11_nlstat: /* undocumented */ 713 ret = do_freebsd11_nlstat(arg1, arg2); 714 break; 715 716 case TARGET_FREEBSD_NR_getfh: /* getfh(2) */ 717 ret = do_freebsd_getfh(arg1, arg2); 718 break; 719 720 case TARGET_FREEBSD_NR_lgetfh: /* lgetfh(2) */ 721 ret = do_freebsd_lgetfh(arg1, arg2); 722 break; 723 724 case TARGET_FREEBSD_NR_fhopen: /* fhopen(2) */ 725 ret = do_freebsd_fhopen(arg1, arg2); 726 break; 727 728 case TARGET_FREEBSD_NR_freebsd11_fhstat: /* fhstat(2) */ 729 ret = do_freebsd11_fhstat(arg1, arg2); 730 break; 731 732 case TARGET_FREEBSD_NR_fhstat: /* fhstat(2) */ 733 ret = do_freebsd_fhstat(arg1, arg2); 734 break; 735 736 case TARGET_FREEBSD_NR_freebsd11_fhstatfs: /* fhstatfs(2) */ 737 ret = do_freebsd11_fhstatfs(arg1, arg2); 738 break; 739 740 case TARGET_FREEBSD_NR_fhstatfs: /* fhstatfs(2) */ 741 ret = do_freebsd_fhstatfs(arg1, arg2); 742 break; 743 744 case TARGET_FREEBSD_NR_freebsd11_statfs: /* statfs(2) */ 745 ret = do_freebsd11_statfs(arg1, arg2); 746 break; 747 748 case TARGET_FREEBSD_NR_statfs: /* statfs(2) */ 749 ret = do_freebsd_statfs(arg1, arg2); 750 break; 751 752 case TARGET_FREEBSD_NR_freebsd11_fstatfs: /* fstatfs(2) */ 753 ret = do_freebsd11_fstatfs(arg1, arg2); 754 break; 755 756 case TARGET_FREEBSD_NR_fstatfs: /* fstatfs(2) */ 757 ret = do_freebsd_fstatfs(arg1, arg2); 758 break; 759 760 case TARGET_FREEBSD_NR_freebsd11_getfsstat: /* getfsstat(2) */ 761 ret = do_freebsd11_getfsstat(arg1, arg2, arg3); 762 break; 763 764 case TARGET_FREEBSD_NR_getfsstat: /* getfsstat(2) */ 765 ret = do_freebsd_getfsstat(arg1, arg2, arg3); 766 break; 767 768 case TARGET_FREEBSD_NR_freebsd11_getdents: /* getdents(2) */ 769 ret = do_freebsd11_getdents(arg1, arg2, arg3); 770 break; 771 772 case TARGET_FREEBSD_NR_getdirentries: /* getdirentries(2) */ 773 ret = do_freebsd_getdirentries(arg1, arg2, arg3, arg4); 774 break; 775 776 case TARGET_FREEBSD_NR_freebsd11_getdirentries: /* getdirentries(2) */ 777 ret = do_freebsd11_getdirentries(arg1, arg2, arg3, arg4); 778 break; 779 case TARGET_FREEBSD_NR_fcntl: /* fcntl(2) */ 780 ret = do_freebsd_fcntl(arg1, arg2, arg3); 781 break; 782 783 784 /* 785 * sys{ctl, arch, call} 786 */ 787 case TARGET_FREEBSD_NR___sysctl: /* sysctl(3) */ 788 ret = do_freebsd_sysctl(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); 789 break; 790 791 case TARGET_FREEBSD_NR___sysctlbyname: /* sysctlbyname(2) */ 792 ret = do_freebsd_sysctlbyname(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); 793 break; 794 795 case TARGET_FREEBSD_NR_sysarch: /* sysarch(2) */ 796 ret = do_freebsd_sysarch(cpu_env, arg1, arg2); 797 break; 798 799 default: 800 qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num); 801 ret = -TARGET_ENOSYS; 802 break; 803 } 804 805 return ret; 806 } 807 808 /* 809 * do_freebsd_syscall() should always have a single exit point at the end so 810 * that actions, such as logging of syscall results, can be performed. This 811 * as a wrapper around freebsd_syscall() so that actually happens. Since 812 * that is a singleton, modern compilers will inline it anyway... 813 */ 814 abi_long do_freebsd_syscall(void *cpu_env, int num, abi_long arg1, 815 abi_long arg2, abi_long arg3, abi_long arg4, 816 abi_long arg5, abi_long arg6, abi_long arg7, 817 abi_long arg8) 818 { 819 abi_long ret; 820 821 if (do_strace) { 822 print_freebsd_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6); 823 } 824 825 ret = freebsd_syscall(cpu_env, num, arg1, arg2, arg3, arg4, arg5, arg6, 826 arg7, arg8); 827 if (do_strace) { 828 print_freebsd_syscall_ret(num, ret); 829 } 830 831 return ret; 832 } 833 834 void syscall_init(void) 835 { 836 } 837