1 /* 2 * Copyright (c) 2006 "David Kirchner" <dpk@dpk.net>. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 * SUCH DAMAGE. 24 */ 25 26 #include <sys/cdefs.h> 27 __FBSDID("$FreeBSD$"); 28 29 #define L2CAP_SOCKET_CHECKED 30 31 #include <sys/types.h> 32 #include <sys/acl.h> 33 #include <sys/capsicum.h> 34 #include <sys/extattr.h> 35 #include <sys/linker.h> 36 #include <sys/mman.h> 37 #include <sys/mount.h> 38 #include <sys/procctl.h> 39 #include <sys/ptrace.h> 40 #include <sys/reboot.h> 41 #include <sys/resource.h> 42 #include <sys/rtprio.h> 43 #include <sys/sem.h> 44 #include <sys/shm.h> 45 #include <sys/socket.h> 46 #include <sys/stat.h> 47 #include <sys/thr.h> 48 #include <sys/umtx.h> 49 #include <netinet/in.h> 50 #include <netinet/tcp.h> 51 #include <netinet/udp.h> 52 #include <nfsserver/nfs.h> 53 #include <ufs/ufs/quota.h> 54 #include <vm/vm.h> 55 #include <vm/vm_param.h> 56 #include <aio.h> 57 #include <fcntl.h> 58 #include <sched.h> 59 #include <stdbool.h> 60 #include <stdio.h> 61 #include <stdlib.h> 62 #include <strings.h> 63 #include <sysdecode.h> 64 #include <unistd.h> 65 #include <sys/bitstring.h> 66 #include <netgraph/bluetooth/include/ng_hci.h> 67 #include <netgraph/bluetooth/include/ng_l2cap.h> 68 #include <netgraph/bluetooth/include/ng_btsocket.h> 69 70 /* 71 * This is taken from the xlat tables originally in truss which were 72 * in turn taken from strace. 73 */ 74 struct name_table { 75 uintmax_t val; 76 const char *str; 77 }; 78 79 #define X(a) { a, #a }, 80 #define XEND { 0, NULL } 81 82 #define TABLE_START(n) static struct name_table n[] = { 83 #define TABLE_ENTRY X 84 #define TABLE_END XEND }; 85 86 #include "tables.h" 87 88 #undef TABLE_START 89 #undef TABLE_ENTRY 90 #undef TABLE_END 91 92 /* 93 * These are simple support macros. print_or utilizes a variable 94 * defined in the calling function to track whether or not it should 95 * print a logical-OR character ('|') before a string. if_print_or 96 * simply handles the necessary "if" statement used in many lines 97 * of this file. 98 */ 99 #define print_or(fp,str,orflag) do { \ 100 if (orflag) fputc(fp, '|'); else orflag = true; \ 101 fprintf(fp, str); } \ 102 while (0) 103 #define if_print_or(fp,i,flag,orflag) do { \ 104 if ((i & flag) == flag) \ 105 print_or(fp,#flag,orflag); } \ 106 while (0) 107 108 static const char * 109 lookup_value(struct name_table *table, uintmax_t val) 110 { 111 112 for (; table->str != NULL; table++) 113 if (table->val == val) 114 return (table->str); 115 return (NULL); 116 } 117 118 /* 119 * Used when the value maps to a bitmask of #definition values in the 120 * table. This is a helper routine which outputs a symbolic mask of 121 * matched masks. Multiple masks are separated by a pipe ('|'). 122 * The value is modified on return to only hold unmatched bits. 123 */ 124 static void 125 print_mask_part(FILE *fp, struct name_table *table, uintmax_t *valp, 126 bool *printed) 127 { 128 uintmax_t rem; 129 130 rem = *valp; 131 for (; table->str != NULL; table++) { 132 if ((table->val & rem) == table->val) { 133 /* 134 * Only print a zero mask if the raw value is 135 * zero. 136 */ 137 if (table->val == 0 && *valp != 0) 138 continue; 139 fprintf(fp, "%s%s", *printed ? "|" : "", table->str); 140 *printed = true; 141 rem &= ~table->val; 142 } 143 } 144 145 *valp = rem; 146 } 147 148 /* 149 * Used when the value maps to a bitmask of #definition values in the 150 * table. The return value is true if something was printed. If 151 * rem is not NULL, *rem holds any bits not decoded if something was 152 * printed. If nothing was printed and rem is not NULL, *rem holds 153 * the original value. 154 */ 155 static bool 156 print_mask_int(FILE *fp, struct name_table *table, int ival, int *rem) 157 { 158 uintmax_t val; 159 bool printed; 160 161 printed = false; 162 val = (unsigned)ival; 163 print_mask_part(fp, table, &val, &printed); 164 if (rem != NULL) 165 *rem = val; 166 return (printed); 167 } 168 169 /* 170 * Used for a mask of optional flags where a value of 0 is valid. 171 */ 172 static bool 173 print_mask_0(FILE *fp, struct name_table *table, int val, int *rem) 174 { 175 176 if (val == 0) { 177 fputs("0", fp); 178 if (rem != NULL) 179 *rem = 0; 180 return (true); 181 } 182 return (print_mask_int(fp, table, val, rem)); 183 } 184 185 /* 186 * Like print_mask_0 but for a unsigned long instead of an int. 187 */ 188 static bool 189 print_mask_0ul(FILE *fp, struct name_table *table, u_long lval, u_long *rem) 190 { 191 uintmax_t val; 192 bool printed; 193 194 if (lval == 0) { 195 fputs("0", fp); 196 if (rem != NULL) 197 *rem = 0; 198 return (true); 199 } 200 201 printed = false; 202 val = lval; 203 print_mask_part(fp, table, &val, &printed); 204 if (rem != NULL) 205 *rem = val; 206 return (printed); 207 } 208 209 static void 210 print_integer(FILE *fp, int val, int base) 211 { 212 213 switch (base) { 214 case 8: 215 fprintf(fp, "0%o", val); 216 break; 217 case 10: 218 fprintf(fp, "%d", val); 219 break; 220 case 16: 221 fprintf(fp, "0x%x", val); 222 break; 223 default: 224 abort2("bad base", 0, NULL); 225 break; 226 } 227 } 228 229 static bool 230 print_value(FILE *fp, struct name_table *table, uintmax_t val) 231 { 232 const char *str; 233 234 str = lookup_value(table, val); 235 if (str != NULL) { 236 fputs(str, fp); 237 return (true); 238 } 239 return (false); 240 } 241 242 const char * 243 sysdecode_atfd(int fd) 244 { 245 246 if (fd == AT_FDCWD) 247 return ("AT_FDCWD"); 248 return (NULL); 249 } 250 251 static struct name_table semctlops[] = { 252 X(GETNCNT) X(GETPID) X(GETVAL) X(GETALL) X(GETZCNT) X(SETVAL) X(SETALL) 253 X(IPC_RMID) X(IPC_SET) X(IPC_STAT) XEND 254 }; 255 256 const char * 257 sysdecode_semctl_cmd(int cmd) 258 { 259 260 return (lookup_value(semctlops, cmd)); 261 } 262 263 static struct name_table shmctlops[] = { 264 X(IPC_RMID) X(IPC_SET) X(IPC_STAT) XEND 265 }; 266 267 const char * 268 sysdecode_shmctl_cmd(int cmd) 269 { 270 271 return (lookup_value(shmctlops, cmd)); 272 } 273 274 const char * 275 sysdecode_msgctl_cmd(int cmd) 276 { 277 278 return (sysdecode_shmctl_cmd(cmd)); 279 } 280 281 static struct name_table semgetflags[] = { 282 X(IPC_CREAT) X(IPC_EXCL) X(SEM_R) X(SEM_A) X((SEM_R>>3)) X((SEM_A>>3)) 283 X((SEM_R>>6)) X((SEM_A>>6)) XEND 284 }; 285 286 bool 287 sysdecode_semget_flags(FILE *fp, int flag, int *rem) 288 { 289 290 return (print_mask_int(fp, semgetflags, flag, rem)); 291 } 292 293 static struct name_table idtypes[] = { 294 X(P_PID) X(P_PPID) X(P_PGID) X(P_SID) X(P_CID) X(P_UID) X(P_GID) 295 X(P_ALL) X(P_LWPID) X(P_TASKID) X(P_PROJID) X(P_POOLID) X(P_JAILID) 296 X(P_CTID) X(P_CPUID) X(P_PSETID) XEND 297 }; 298 299 /* XXX: idtype is really an idtype_t */ 300 const char * 301 sysdecode_idtype(int idtype) 302 { 303 304 return (lookup_value(idtypes, idtype)); 305 } 306 307 /* 308 * [g|s]etsockopt's level argument can either be SOL_SOCKET or a 309 * protocol-specific value. 310 */ 311 const char * 312 sysdecode_sockopt_level(int level) 313 { 314 const char *str; 315 316 if (level == SOL_SOCKET) 317 return ("SOL_SOCKET"); 318 319 /* SOL_* constants for Bluetooth sockets. */ 320 str = lookup_value(ngbtsolevel, level); 321 if (str != NULL) 322 return (str); 323 324 /* 325 * IP and Infiniband sockets use IP protocols as levels. Not all 326 * protocols are valid but it is simpler to just allow all of them. 327 * 328 * XXX: IPPROTO_IP == 0, but UNIX domain sockets use a level of 0 329 * for private options. 330 */ 331 str = sysdecode_ipproto(level); 332 if (str != NULL) 333 return (str); 334 335 return (NULL); 336 } 337 338 bool 339 sysdecode_vmprot(FILE *fp, int type, int *rem) 340 { 341 342 return (print_mask_int(fp, vmprot, type, rem)); 343 } 344 345 static struct name_table sockflags[] = { 346 X(SOCK_CLOEXEC) X(SOCK_NONBLOCK) XEND 347 }; 348 349 bool 350 sysdecode_socket_type(FILE *fp, int type, int *rem) 351 { 352 const char *str; 353 uintmax_t val; 354 bool printed; 355 356 str = lookup_value(socktype, type & ~(SOCK_CLOEXEC | SOCK_NONBLOCK)); 357 if (str != NULL) { 358 fputs(str, fp); 359 *rem = 0; 360 printed = true; 361 } else { 362 *rem = type & ~(SOCK_CLOEXEC | SOCK_NONBLOCK); 363 printed = false; 364 } 365 val = type & (SOCK_CLOEXEC | SOCK_NONBLOCK); 366 print_mask_part(fp, sockflags, &val, &printed); 367 return (printed); 368 } 369 370 bool 371 sysdecode_access_mode(FILE *fp, int mode, int *rem) 372 { 373 374 return (print_mask_int(fp, accessmode, mode, rem)); 375 } 376 377 /* XXX: 'type' is really an acl_type_t. */ 378 const char * 379 sysdecode_acltype(int type) 380 { 381 382 return (lookup_value(acltype, type)); 383 } 384 385 bool 386 sysdecode_cap_fcntlrights(FILE *fp, uint32_t rights, uint32_t *rem) 387 { 388 389 return (print_mask_int(fp, capfcntl, rights, rem)); 390 } 391 392 const char * 393 sysdecode_extattrnamespace(int namespace) 394 { 395 396 return (lookup_value(extattrns, namespace)); 397 } 398 399 const char * 400 sysdecode_fadvice(int advice) 401 { 402 403 return (lookup_value(fadvisebehav, advice)); 404 } 405 406 bool 407 sysdecode_open_flags(FILE *fp, int flags, int *rem) 408 { 409 bool printed; 410 int mode; 411 uintmax_t val; 412 413 mode = flags & O_ACCMODE; 414 flags &= ~O_ACCMODE; 415 switch (mode) { 416 case O_RDONLY: 417 if (flags & O_EXEC) { 418 flags &= ~O_EXEC; 419 fputs("O_EXEC", fp); 420 } else 421 fputs("O_RDONLY", fp); 422 printed = true; 423 mode = 0; 424 break; 425 case O_WRONLY: 426 fputs("O_WRONLY", fp); 427 printed = true; 428 mode = 0; 429 break; 430 case O_RDWR: 431 fputs("O_RDWR", fp); 432 printed = true; 433 mode = 0; 434 break; 435 default: 436 printed = false; 437 } 438 val = (unsigned)flags; 439 print_mask_part(fp, openflags, &val, &printed); 440 if (rem != NULL) 441 *rem = val | mode; 442 return (printed); 443 } 444 445 bool 446 sysdecode_fcntl_fileflags(FILE *fp, int flags, int *rem) 447 { 448 bool printed; 449 int oflags; 450 451 /* 452 * The file flags used with F_GETFL/F_SETFL mostly match the 453 * flags passed to open(2). However, a few open-only flag 454 * bits have been repurposed for fcntl-only flags. 455 */ 456 oflags = flags & ~(O_NOFOLLOW | FRDAHEAD); 457 printed = sysdecode_open_flags(fp, oflags, rem); 458 if (flags & O_NOFOLLOW) { 459 fprintf(fp, "%sFPOIXSHM", printed ? "|" : ""); 460 printed = true; 461 } 462 if (flags & FRDAHEAD) { 463 fprintf(fp, "%sFRDAHEAD", printed ? "|" : ""); 464 printed = true; 465 } 466 return (printed); 467 } 468 469 bool 470 sysdecode_flock_operation(FILE *fp, int operation, int *rem) 471 { 472 473 return (print_mask_int(fp, flockops, operation, rem)); 474 } 475 476 static struct name_table getfsstatmode[] = { 477 X(MNT_WAIT) X(MNT_NOWAIT) XEND 478 }; 479 480 const char * 481 sysdecode_getfsstat_mode(int mode) 482 { 483 484 return (lookup_value(getfsstatmode, mode)); 485 } 486 487 const char * 488 sysdecode_kldsym_cmd(int cmd) 489 { 490 491 return (lookup_value(kldsymcmd, cmd)); 492 } 493 494 const char * 495 sysdecode_kldunload_flags(int flags) 496 { 497 498 return (lookup_value(kldunloadfflags, flags)); 499 } 500 501 const char * 502 sysdecode_lio_listio_mode(int mode) 503 { 504 505 return (lookup_value(lio_listiomodes, mode)); 506 } 507 508 const char * 509 sysdecode_madvice(int advice) 510 { 511 512 return (lookup_value(madvisebehav, advice)); 513 } 514 515 const char * 516 sysdecode_minherit_inherit(int inherit) 517 { 518 519 return (lookup_value(minheritflags, inherit)); 520 } 521 522 bool 523 sysdecode_mlockall_flags(FILE *fp, int flags, int *rem) 524 { 525 526 return (print_mask_int(fp, mlockallflags, flags, rem)); 527 } 528 529 bool 530 sysdecode_mmap_prot(FILE *fp, int prot, int *rem) 531 { 532 533 return (print_mask_int(fp, mmapprot, prot, rem)); 534 } 535 536 bool 537 sysdecode_fileflags(FILE *fp, fflags_t flags, fflags_t *rem) 538 { 539 540 return (print_mask_0(fp, fileflags, flags, rem)); 541 } 542 543 bool 544 sysdecode_filemode(FILE *fp, int mode, int *rem) 545 { 546 547 return (print_mask_0(fp, filemode, mode, rem)); 548 } 549 550 bool 551 sysdecode_mount_flags(FILE *fp, int flags, int *rem) 552 { 553 554 return (print_mask_int(fp, mountflags, flags, rem)); 555 } 556 557 bool 558 sysdecode_msync_flags(FILE *fp, int flags, int *rem) 559 { 560 561 return (print_mask_int(fp, msyncflags, flags, rem)); 562 } 563 564 const char * 565 sysdecode_nfssvc_flags(int flags) 566 { 567 568 return (lookup_value(nfssvcflags, flags)); 569 } 570 571 static struct name_table pipe2flags[] = { 572 X(O_CLOEXEC) X(O_NONBLOCK) XEND 573 }; 574 575 bool 576 sysdecode_pipe2_flags(FILE *fp, int flags, int *rem) 577 { 578 579 return (print_mask_0(fp, pipe2flags, flags, rem)); 580 } 581 582 const char * 583 sysdecode_prio_which(int which) 584 { 585 586 return (lookup_value(prio, which)); 587 } 588 589 const char * 590 sysdecode_procctl_cmd(int cmd) 591 { 592 593 return (lookup_value(procctlcmd, cmd)); 594 } 595 596 const char * 597 sysdecode_ptrace_request(int request) 598 { 599 600 return (lookup_value(ptraceop, request)); 601 } 602 603 static struct name_table quotatypes[] = { 604 X(GRPQUOTA) X(USRQUOTA) XEND 605 }; 606 607 bool 608 sysdecode_quotactl_cmd(FILE *fp, int cmd) 609 { 610 const char *primary, *type; 611 612 primary = lookup_value(quotactlcmds, cmd >> SUBCMDSHIFT); 613 if (primary == NULL) 614 return (false); 615 fprintf(fp, "QCMD(%s,", primary); 616 type = lookup_value(quotatypes, cmd & SUBCMDMASK); 617 if (type != NULL) 618 fprintf(fp, "%s", type); 619 else 620 fprintf(fp, "%#x", cmd & SUBCMDMASK); 621 fprintf(fp, ")"); 622 return (true); 623 } 624 625 bool 626 sysdecode_reboot_howto(FILE *fp, int howto, int *rem) 627 { 628 629 return (print_mask_int(fp, rebootopt, howto, rem)); 630 } 631 632 bool 633 sysdecode_rfork_flags(FILE *fp, int flags, int *rem) 634 { 635 636 return (print_mask_int(fp, rforkflags, flags, rem)); 637 } 638 639 const char * 640 sysdecode_rlimit(int resource) 641 { 642 643 return (lookup_value(rlimit, resource)); 644 } 645 646 const char * 647 sysdecode_scheduler_policy(int policy) 648 { 649 650 return (lookup_value(schedpolicy, policy)); 651 } 652 653 bool 654 sysdecode_sendfile_flags(FILE *fp, int flags, int *rem) 655 { 656 657 return (print_mask_int(fp, sendfileflags, flags, rem)); 658 } 659 660 bool 661 sysdecode_shmat_flags(FILE *fp, int flags, int *rem) 662 { 663 664 return (print_mask_int(fp, shmatflags, flags, rem)); 665 } 666 667 const char * 668 sysdecode_shutdown_how(int how) 669 { 670 671 return (lookup_value(shutdownhow, how)); 672 } 673 674 const char * 675 sysdecode_sigbus_code(int si_code) 676 { 677 678 return (lookup_value(sigbuscode, si_code)); 679 } 680 681 const char * 682 sysdecode_sigchld_code(int si_code) 683 { 684 685 return (lookup_value(sigchldcode, si_code)); 686 } 687 688 const char * 689 sysdecode_sigfpe_code(int si_code) 690 { 691 692 return (lookup_value(sigfpecode, si_code)); 693 } 694 695 const char * 696 sysdecode_sigill_code(int si_code) 697 { 698 699 return (lookup_value(sigillcode, si_code)); 700 } 701 702 const char * 703 sysdecode_sigsegv_code(int si_code) 704 { 705 706 return (lookup_value(sigsegvcode, si_code)); 707 } 708 709 const char * 710 sysdecode_sigtrap_code(int si_code) 711 { 712 713 return (lookup_value(sigtrapcode, si_code)); 714 } 715 716 const char * 717 sysdecode_sigprocmask_how(int how) 718 { 719 720 return (lookup_value(sigprocmaskhow, how)); 721 } 722 723 const char * 724 sysdecode_socketdomain(int domain) 725 { 726 727 return (lookup_value(sockdomain, domain)); 728 } 729 730 const char * 731 sysdecode_sockaddr_family(int sa_family) 732 { 733 734 return (lookup_value(sockfamily, sa_family)); 735 } 736 737 const char * 738 sysdecode_ipproto(int protocol) 739 { 740 741 return (lookup_value(sockipproto, protocol)); 742 } 743 744 const char * 745 sysdecode_sockopt_name(int level, int optname) 746 { 747 748 if (level == SOL_SOCKET) 749 return (lookup_value(sockopt, optname)); 750 if (level == IPPROTO_IP) 751 /* XXX: UNIX domain socket options use a level of 0 also. */ 752 return (lookup_value(sockoptip, optname)); 753 if (level == IPPROTO_TCP) 754 return (lookup_value(sockopttcp, optname)); 755 if (level == IPPROTO_UDP) 756 return (lookup_value(sockoptudp, optname)); 757 return (NULL); 758 } 759 760 bool 761 sysdecode_thr_create_flags(FILE *fp, int flags, int *rem) 762 { 763 764 return (print_mask_int(fp, thrcreateflags, flags, rem)); 765 } 766 767 const char * 768 sysdecode_umtx_op(int op) 769 { 770 771 return (lookup_value(umtxop, op)); 772 } 773 774 const char * 775 sysdecode_vmresult(int result) 776 { 777 778 return (lookup_value(vmresult, result)); 779 } 780 781 bool 782 sysdecode_wait4_options(FILE *fp, int options, int *rem) 783 { 784 bool printed; 785 int opt6; 786 787 /* A flags value of 0 is normal. */ 788 if (options == 0) { 789 fputs("0", fp); 790 if (rem != NULL) 791 *rem = 0; 792 return (true); 793 } 794 795 /* 796 * These flags are implicit and aren't valid flags for wait4() 797 * directly (though they don't fail with EINVAL). 798 */ 799 opt6 = options & (WEXITED | WTRAPPED); 800 options &= ~opt6; 801 printed = print_mask_int(fp, wait6opt, options, rem); 802 if (rem != NULL) 803 *rem |= opt6; 804 return (printed); 805 } 806 807 bool 808 sysdecode_wait6_options(FILE *fp, int options, int *rem) 809 { 810 811 return (print_mask_int(fp, wait6opt, options, rem)); 812 } 813 814 const char * 815 sysdecode_whence(int whence) 816 { 817 818 return (lookup_value(seekwhence, whence)); 819 } 820 821 const char * 822 sysdecode_fcntl_cmd(int cmd) 823 { 824 825 return (lookup_value(fcntlcmd, cmd)); 826 } 827 828 static struct name_table fcntl_fd_arg[] = { 829 X(FD_CLOEXEC) X(0) XEND 830 }; 831 832 bool 833 sysdecode_fcntl_arg_p(int cmd) 834 { 835 836 switch (cmd) { 837 case F_GETFD: 838 case F_GETFL: 839 case F_GETOWN: 840 return (false); 841 default: 842 return (true); 843 } 844 } 845 846 void 847 sysdecode_fcntl_arg(FILE *fp, int cmd, uintptr_t arg, int base) 848 { 849 int rem; 850 851 switch (cmd) { 852 case F_SETFD: 853 if (!print_value(fp, fcntl_fd_arg, arg)) 854 print_integer(fp, arg, base); 855 break; 856 case F_SETFL: 857 if (!sysdecode_fcntl_fileflags(fp, arg, &rem)) 858 fprintf(fp, "%#x", rem); 859 else if (rem != 0) 860 fprintf(fp, "|%#x", rem); 861 break; 862 case F_GETLK: 863 case F_SETLK: 864 case F_SETLKW: 865 fprintf(fp, "%p", (void *)arg); 866 break; 867 default: 868 print_integer(fp, arg, base); 869 break; 870 } 871 } 872 873 bool 874 sysdecode_mmap_flags(FILE *fp, int flags, int *rem) 875 { 876 uintmax_t val; 877 bool printed; 878 int align; 879 880 /* 881 * MAP_ALIGNED can't be handled directly by print_mask_int(). 882 * MAP_32BIT is also problematic since it isn't defined for 883 * all platforms. 884 */ 885 printed = false; 886 align = flags & MAP_ALIGNMENT_MASK; 887 val = (unsigned)flags & ~MAP_ALIGNMENT_MASK; 888 print_mask_part(fp, mmapflags, &val, &printed); 889 #ifdef MAP_32BIT 890 if (val & MAP_32BIT) { 891 fprintf(fp, "%sMAP_32BIT", printed ? "|" : ""); 892 printed = true; 893 val &= ~MAP_32BIT; 894 } 895 #endif 896 if (align != 0) { 897 if (printed) 898 fputc('|', fp); 899 if (align == MAP_ALIGNED_SUPER) 900 fputs("MAP_ALIGNED_SUPER", fp); 901 else 902 fprintf(fp, "MAP_ALIGNED(%d)", 903 align >> MAP_ALIGNMENT_SHIFT); 904 printed = true; 905 } 906 if (rem != NULL) 907 *rem = val; 908 return (printed); 909 } 910 911 const char * 912 sysdecode_rtprio_function(int function) 913 { 914 915 return (lookup_value(rtpriofuncs, function)); 916 } 917 918 bool 919 sysdecode_msg_flags(FILE *fp, int flags, int *rem) 920 { 921 922 return (print_mask_0(fp, msgflags, flags, rem)); 923 } 924 925 const char * 926 sysdecode_sigcode(int sig, int si_code) 927 { 928 const char *str; 929 930 str = lookup_value(sigcode, si_code); 931 if (str != NULL) 932 return (str); 933 934 switch (sig) { 935 case SIGILL: 936 return (sysdecode_sigill_code(si_code)); 937 case SIGBUS: 938 return (sysdecode_sigbus_code(si_code)); 939 case SIGSEGV: 940 return (sysdecode_sigsegv_code(si_code)); 941 case SIGFPE: 942 return (sysdecode_sigfpe_code(si_code)); 943 case SIGTRAP: 944 return (sysdecode_sigtrap_code(si_code)); 945 case SIGCHLD: 946 return (sysdecode_sigchld_code(si_code)); 947 default: 948 return (NULL); 949 } 950 } 951 952 bool 953 sysdecode_umtx_cvwait_flags(FILE *fp, u_long flags, u_long *rem) 954 { 955 956 return (print_mask_0ul(fp, umtxcvwaitflags, flags, rem)); 957 } 958 959 bool 960 sysdecode_umtx_rwlock_flags(FILE *fp, u_long flags, u_long *rem) 961 { 962 963 return (print_mask_0ul(fp, umtxrwlockflags, flags, rem)); 964 } 965 966 void 967 sysdecode_cap_rights(FILE *fp, cap_rights_t *rightsp) 968 { 969 struct name_table *t; 970 bool comma; 971 972 comma = false; 973 for (t = caprights; t->str != NULL; t++) { 974 if (cap_rights_is_set(rightsp, t->val)) { 975 fprintf(fp, "%s%s", comma ? "," : "", t->str); 976 comma = true; 977 } 978 } 979 } 980