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