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