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_param.h> 55 #include <aio.h> 56 #include <fcntl.h> 57 #include <sched.h> 58 #include <stdbool.h> 59 #include <stdio.h> 60 #include <stdlib.h> 61 #include <strings.h> 62 #include <sysdecode.h> 63 #include <unistd.h> 64 #include <sys/bitstring.h> 65 #include <netgraph/bluetooth/include/ng_hci.h> 66 #include <netgraph/bluetooth/include/ng_l2cap.h> 67 #include <netgraph/bluetooth/include/ng_btsocket.h> 68 69 /* 70 * This is taken from the xlat tables originally in truss which were 71 * in turn taken from strace. 72 */ 73 struct name_table { 74 uintmax_t val; 75 const char *str; 76 }; 77 78 #define X(a) { a, #a }, 79 #define XEND { 0, NULL } 80 81 #define TABLE_START(n) static struct name_table n[] = { 82 #define TABLE_ENTRY X 83 #define TABLE_END XEND }; 84 85 #include "tables.h" 86 87 #undef TABLE_START 88 #undef TABLE_ENTRY 89 #undef TABLE_END 90 91 /* 92 * These are simple support macros. print_or utilizes a variable 93 * defined in the calling function to track whether or not it should 94 * print a logical-OR character ('|') before a string. if_print_or 95 * simply handles the necessary "if" statement used in many lines 96 * of this file. 97 */ 98 #define print_or(fp,str,orflag) do { \ 99 if (orflag) fputc(fp, '|'); else orflag = true; \ 100 fprintf(fp, str); } \ 101 while (0) 102 #define if_print_or(fp,i,flag,orflag) do { \ 103 if ((i & flag) == flag) \ 104 print_or(fp,#flag,orflag); } \ 105 while (0) 106 107 static const char * 108 lookup_value(struct name_table *table, uintmax_t val) 109 { 110 111 for (; table->str != NULL; table++) 112 if (table->val == val) 113 return (table->str); 114 return (NULL); 115 } 116 117 /* 118 * Used when the value maps to a bitmask of #definition values in the 119 * table. This is a helper routine which outputs a symbolic mask of 120 * matched masks. Multiple masks are separated by a pipe ('|'). 121 * The value is modified on return to only hold unmatched bits. 122 */ 123 static void 124 print_mask_part(FILE *fp, struct name_table *table, uintmax_t *valp, 125 bool *printed) 126 { 127 uintmax_t rem; 128 129 rem = *valp; 130 for (; table->str != NULL; table++) { 131 if ((table->val & rem) == table->val) { 132 /* 133 * Only print a zero mask if the raw value is 134 * zero. 135 */ 136 if (table->val == 0 && *valp != 0) 137 continue; 138 fprintf(fp, "%s%s", *printed ? "|" : "", table->str); 139 *printed = true; 140 rem &= ~table->val; 141 } 142 } 143 144 *valp = rem; 145 } 146 147 /* 148 * Used when the value maps to a bitmask of #definition values in the 149 * table. The return value is true if something was printed. If 150 * rem is not NULL, *rem holds any bits not decoded if something was 151 * printed. If nothing was printed and rem is not NULL, *rem holds 152 * the original value. 153 */ 154 static bool 155 print_mask_int(FILE *fp, struct name_table *table, int ival, int *rem) 156 { 157 uintmax_t val; 158 bool printed; 159 160 printed = false; 161 val = (unsigned)ival; 162 print_mask_part(fp, table, &val, &printed); 163 if (rem != NULL) 164 *rem = val; 165 return (printed); 166 } 167 168 /* 169 * Used for a mask of optional flags where a value of 0 is valid. 170 */ 171 static bool 172 print_mask_0(FILE *fp, struct name_table *table, int val, int *rem) 173 { 174 175 if (val == 0) { 176 fputs("0", fp); 177 if (rem != NULL) 178 *rem = 0; 179 return (true); 180 } 181 return (print_mask_int(fp, table, val, rem)); 182 } 183 184 /* 185 * Like print_mask_0 but for a unsigned long instead of an int. 186 */ 187 static bool 188 print_mask_0ul(FILE *fp, struct name_table *table, u_long lval, u_long *rem) 189 { 190 uintmax_t val; 191 bool printed; 192 193 if (lval == 0) { 194 fputs("0", fp); 195 if (rem != NULL) 196 *rem = 0; 197 return (true); 198 } 199 200 printed = false; 201 val = lval; 202 print_mask_part(fp, table, &val, &printed); 203 if (rem != NULL) 204 *rem = val; 205 return (printed); 206 } 207 208 static void 209 print_integer(FILE *fp, int val, int base) 210 { 211 212 switch (base) { 213 case 8: 214 fprintf(fp, "0%o", val); 215 break; 216 case 10: 217 fprintf(fp, "%d", val); 218 break; 219 case 16: 220 fprintf(fp, "0x%x", val); 221 break; 222 default: 223 abort2("bad base", 0, NULL); 224 break; 225 } 226 } 227 228 static bool 229 print_value(FILE *fp, struct name_table *table, uintmax_t val) 230 { 231 const char *str; 232 233 str = lookup_value(table, val); 234 if (str != NULL) { 235 fputs(str, fp); 236 return (true); 237 } 238 return (false); 239 } 240 241 const char * 242 sysdecode_atfd(int fd) 243 { 244 245 if (fd == AT_FDCWD) 246 return ("AT_FDCWD"); 247 return (NULL); 248 } 249 250 static struct name_table semctlops[] = { 251 X(GETNCNT) X(GETPID) X(GETVAL) X(GETALL) X(GETZCNT) X(SETVAL) X(SETALL) 252 X(IPC_RMID) X(IPC_SET) X(IPC_STAT) XEND 253 }; 254 255 const char * 256 sysdecode_semctl_cmd(int cmd) 257 { 258 259 return (lookup_value(semctlops, cmd)); 260 } 261 262 static struct name_table shmctlops[] = { 263 X(IPC_RMID) X(IPC_SET) X(IPC_STAT) XEND 264 }; 265 266 const char * 267 sysdecode_shmctl_cmd(int cmd) 268 { 269 270 return (lookup_value(shmctlops, cmd)); 271 } 272 273 const char * 274 sysdecode_msgctl_cmd(int cmd) 275 { 276 277 return (sysdecode_shmctl_cmd(cmd)); 278 } 279 280 static struct name_table semgetflags[] = { 281 X(IPC_CREAT) X(IPC_EXCL) X(SEM_R) X(SEM_A) X((SEM_R>>3)) X((SEM_A>>3)) 282 X((SEM_R>>6)) X((SEM_A>>6)) XEND 283 }; 284 285 bool 286 sysdecode_semget_flags(FILE *fp, int flag, int *rem) 287 { 288 289 return (print_mask_int(fp, semgetflags, flag, rem)); 290 } 291 292 static struct name_table idtypes[] = { 293 X(P_PID) X(P_PPID) X(P_PGID) X(P_SID) X(P_CID) X(P_UID) X(P_GID) 294 X(P_ALL) X(P_LWPID) X(P_TASKID) X(P_PROJID) X(P_POOLID) X(P_JAILID) 295 X(P_CTID) X(P_CPUID) X(P_PSETID) XEND 296 }; 297 298 /* XXX: idtype is really an idtype_t */ 299 const char * 300 sysdecode_idtype(int idtype) 301 { 302 303 return (lookup_value(idtypes, idtype)); 304 } 305 306 /* 307 * [g|s]etsockopt's level argument can either be SOL_SOCKET or a 308 * protocol-specific value. 309 */ 310 const char * 311 sysdecode_sockopt_level(int level) 312 { 313 const char *str; 314 315 if (level == SOL_SOCKET) 316 return ("SOL_SOCKET"); 317 318 /* SOL_* constants for Bluetooth sockets. */ 319 str = lookup_value(ngbtsolevel, level); 320 if (str != NULL) 321 return (str); 322 323 /* 324 * IP and Infiniband sockets use IP protocols as levels. Not all 325 * protocols are valid but it is simpler to just allow all of them. 326 * 327 * XXX: IPPROTO_IP == 0, but UNIX domain sockets use a level of 0 328 * for private options. 329 */ 330 str = sysdecode_ipproto(level); 331 if (str != NULL) 332 return (str); 333 334 return (NULL); 335 } 336 337 bool 338 sysdecode_vmprot(FILE *fp, int type, int *rem) 339 { 340 341 return (print_mask_int(fp, vmprot, type, rem)); 342 } 343 344 static struct name_table sockflags[] = { 345 X(SOCK_CLOEXEC) X(SOCK_NONBLOCK) XEND 346 }; 347 348 bool 349 sysdecode_socket_type(FILE *fp, int type, int *rem) 350 { 351 const char *str; 352 uintmax_t val; 353 bool printed; 354 355 str = lookup_value(socktype, type & ~(SOCK_CLOEXEC | SOCK_NONBLOCK)); 356 if (str != NULL) { 357 fputs(str, fp); 358 *rem = 0; 359 printed = true; 360 } else { 361 *rem = type & ~(SOCK_CLOEXEC | SOCK_NONBLOCK); 362 printed = false; 363 } 364 val = type & (SOCK_CLOEXEC | SOCK_NONBLOCK); 365 print_mask_part(fp, sockflags, &val, &printed); 366 return (printed); 367 } 368 369 bool 370 sysdecode_access_mode(FILE *fp, int mode, int *rem) 371 { 372 373 return (print_mask_int(fp, accessmode, mode, rem)); 374 } 375 376 /* XXX: 'type' is really an acl_type_t. */ 377 const char * 378 sysdecode_acltype(int type) 379 { 380 381 return (lookup_value(acltype, type)); 382 } 383 384 bool 385 sysdecode_cap_fcntlrights(FILE *fp, uint32_t rights, uint32_t *rem) 386 { 387 388 return (print_mask_int(fp, capfcntl, rights, rem)); 389 } 390 391 const char * 392 sysdecode_extattrnamespace(int namespace) 393 { 394 395 return (lookup_value(extattrns, namespace)); 396 } 397 398 const char * 399 sysdecode_fadvice(int advice) 400 { 401 402 return (lookup_value(fadvisebehav, advice)); 403 } 404 405 bool 406 sysdecode_open_flags(FILE *fp, int flags, int *rem) 407 { 408 bool printed; 409 int mode; 410 uintmax_t val; 411 412 mode = flags & O_ACCMODE; 413 flags &= ~O_ACCMODE; 414 switch (mode) { 415 case O_RDONLY: 416 if (flags & O_EXEC) { 417 flags &= ~O_EXEC; 418 fputs("O_EXEC", fp); 419 } else 420 fputs("O_RDONLY", fp); 421 printed = true; 422 mode = 0; 423 break; 424 case O_WRONLY: 425 fputs("O_WRONLY", fp); 426 printed = true; 427 mode = 0; 428 break; 429 case O_RDWR: 430 fputs("O_RDWR", fp); 431 printed = true; 432 mode = 0; 433 break; 434 default: 435 printed = false; 436 } 437 val = (unsigned)flags; 438 print_mask_part(fp, openflags, &val, &printed); 439 if (rem != NULL) 440 *rem = val | mode; 441 return (printed); 442 } 443 444 bool 445 sysdecode_fcntl_fileflags(FILE *fp, int flags, int *rem) 446 { 447 bool printed; 448 int oflags; 449 450 /* 451 * The file flags used with F_GETFL/F_SETFL mostly match the 452 * flags passed to open(2). However, a few open-only flag 453 * bits have been repurposed for fcntl-only flags. 454 */ 455 oflags = flags & ~(O_NOFOLLOW | FRDAHEAD); 456 printed = sysdecode_open_flags(fp, oflags, rem); 457 if (flags & O_NOFOLLOW) { 458 fprintf(fp, "%sFPOIXSHM", printed ? "|" : ""); 459 printed = true; 460 } 461 if (flags & FRDAHEAD) { 462 fprintf(fp, "%sFRDAHEAD", printed ? "|" : ""); 463 printed = true; 464 } 465 return (printed); 466 } 467 468 bool 469 sysdecode_flock_operation(FILE *fp, int operation, int *rem) 470 { 471 472 return (print_mask_int(fp, flockops, operation, rem)); 473 } 474 475 static struct name_table getfsstatmode[] = { 476 X(MNT_WAIT) X(MNT_NOWAIT) XEND 477 }; 478 479 const char * 480 sysdecode_getfsstat_mode(int mode) 481 { 482 483 return (lookup_value(getfsstatmode, mode)); 484 } 485 486 const char * 487 sysdecode_kldsym_cmd(int cmd) 488 { 489 490 return (lookup_value(kldsymcmd, cmd)); 491 } 492 493 const char * 494 sysdecode_kldunload_flags(int flags) 495 { 496 497 return (lookup_value(kldunloadfflags, flags)); 498 } 499 500 const char * 501 sysdecode_lio_listio_mode(int mode) 502 { 503 504 return (lookup_value(lio_listiomodes, mode)); 505 } 506 507 const char * 508 sysdecode_madvice(int advice) 509 { 510 511 return (lookup_value(madvisebehav, advice)); 512 } 513 514 const char * 515 sysdecode_minherit_inherit(int inherit) 516 { 517 518 return (lookup_value(minheritflags, inherit)); 519 } 520 521 bool 522 sysdecode_mlockall_flags(FILE *fp, int flags, int *rem) 523 { 524 525 return (print_mask_int(fp, mlockallflags, flags, rem)); 526 } 527 528 bool 529 sysdecode_mmap_prot(FILE *fp, int prot, int *rem) 530 { 531 532 return (print_mask_int(fp, mmapprot, prot, rem)); 533 } 534 535 bool 536 sysdecode_fileflags(FILE *fp, fflags_t flags, fflags_t *rem) 537 { 538 539 return (print_mask_0(fp, fileflags, flags, rem)); 540 } 541 542 bool 543 sysdecode_filemode(FILE *fp, int mode, int *rem) 544 { 545 546 return (print_mask_0(fp, filemode, mode, rem)); 547 } 548 549 bool 550 sysdecode_mount_flags(FILE *fp, int flags, int *rem) 551 { 552 553 return (print_mask_int(fp, mountflags, flags, rem)); 554 } 555 556 bool 557 sysdecode_msync_flags(FILE *fp, int flags, int *rem) 558 { 559 560 return (print_mask_int(fp, msyncflags, flags, rem)); 561 } 562 563 const char * 564 sysdecode_nfssvc_flags(int flags) 565 { 566 567 return (lookup_value(nfssvcflags, flags)); 568 } 569 570 static struct name_table pipe2flags[] = { 571 X(O_CLOEXEC) X(O_NONBLOCK) XEND 572 }; 573 574 bool 575 sysdecode_pipe2_flags(FILE *fp, int flags, int *rem) 576 { 577 578 return (print_mask_0(fp, pipe2flags, flags, rem)); 579 } 580 581 const char * 582 sysdecode_prio_which(int which) 583 { 584 585 return (lookup_value(prio, which)); 586 } 587 588 const char * 589 sysdecode_procctl_cmd(int cmd) 590 { 591 592 return (lookup_value(procctlcmd, cmd)); 593 } 594 595 const char * 596 sysdecode_ptrace_request(int request) 597 { 598 599 return (lookup_value(ptraceop, request)); 600 } 601 602 static struct name_table quotatypes[] = { 603 X(GRPQUOTA) X(USRQUOTA) XEND 604 }; 605 606 bool 607 sysdecode_quotactl_cmd(FILE *fp, int cmd) 608 { 609 const char *primary, *type; 610 611 primary = lookup_value(quotactlcmds, cmd >> SUBCMDSHIFT); 612 if (primary == NULL) 613 return (false); 614 fprintf(fp, "QCMD(%s,", primary); 615 type = lookup_value(quotatypes, cmd & SUBCMDMASK); 616 if (type != NULL) 617 fprintf(fp, "%s", type); 618 else 619 fprintf(fp, "%#x", cmd & SUBCMDMASK); 620 fprintf(fp, ")"); 621 return (true); 622 } 623 624 bool 625 sysdecode_reboot_howto(FILE *fp, int howto, int *rem) 626 { 627 628 return (print_mask_int(fp, rebootopt, howto, rem)); 629 } 630 631 bool 632 sysdecode_rfork_flags(FILE *fp, int flags, int *rem) 633 { 634 635 return (print_mask_int(fp, rforkflags, flags, rem)); 636 } 637 638 const char * 639 sysdecode_rlimit(int resource) 640 { 641 642 return (lookup_value(rlimit, resource)); 643 } 644 645 const char * 646 sysdecode_scheduler_policy(int policy) 647 { 648 649 return (lookup_value(schedpolicy, policy)); 650 } 651 652 bool 653 sysdecode_sendfile_flags(FILE *fp, int flags, int *rem) 654 { 655 656 return (print_mask_int(fp, sendfileflags, flags, rem)); 657 } 658 659 bool 660 sysdecode_shmat_flags(FILE *fp, int flags, int *rem) 661 { 662 663 return (print_mask_int(fp, shmatflags, flags, rem)); 664 } 665 666 const char * 667 sysdecode_shutdown_how(int how) 668 { 669 670 return (lookup_value(shutdownhow, how)); 671 } 672 673 const char * 674 sysdecode_sigbus_code(int si_code) 675 { 676 677 return (lookup_value(sigbuscode, si_code)); 678 } 679 680 const char * 681 sysdecode_sigchld_code(int si_code) 682 { 683 684 return (lookup_value(sigchldcode, si_code)); 685 } 686 687 const char * 688 sysdecode_sigfpe_code(int si_code) 689 { 690 691 return (lookup_value(sigfpecode, si_code)); 692 } 693 694 const char * 695 sysdecode_sigill_code(int si_code) 696 { 697 698 return (lookup_value(sigillcode, si_code)); 699 } 700 701 const char * 702 sysdecode_sigsegv_code(int si_code) 703 { 704 705 return (lookup_value(sigsegvcode, si_code)); 706 } 707 708 const char * 709 sysdecode_sigtrap_code(int si_code) 710 { 711 712 return (lookup_value(sigtrapcode, si_code)); 713 } 714 715 const char * 716 sysdecode_sigprocmask_how(int how) 717 { 718 719 return (lookup_value(sigprocmaskhow, how)); 720 } 721 722 const char * 723 sysdecode_socketdomain(int domain) 724 { 725 726 return (lookup_value(sockdomain, domain)); 727 } 728 729 const char * 730 sysdecode_sockaddr_family(int sa_family) 731 { 732 733 return (lookup_value(sockfamily, sa_family)); 734 } 735 736 const char * 737 sysdecode_ipproto(int protocol) 738 { 739 740 return (lookup_value(sockipproto, protocol)); 741 } 742 743 const char * 744 sysdecode_sockopt_name(int level, int optname) 745 { 746 747 if (level == SOL_SOCKET) 748 return (lookup_value(sockopt, optname)); 749 if (level == IPPROTO_IP) 750 /* XXX: UNIX domain socket options use a level of 0 also. */ 751 return (lookup_value(sockoptip, optname)); 752 if (level == IPPROTO_TCP) 753 return (lookup_value(sockopttcp, optname)); 754 if (level == IPPROTO_UDP) 755 return (lookup_value(sockoptudp, optname)); 756 return (NULL); 757 } 758 759 bool 760 sysdecode_thr_create_flags(FILE *fp, int flags, int *rem) 761 { 762 763 return (print_mask_int(fp, thrcreateflags, flags, rem)); 764 } 765 766 const char * 767 sysdecode_umtx_op(int op) 768 { 769 770 return (lookup_value(umtxop, op)); 771 } 772 773 const char * 774 sysdecode_vmresult(int result) 775 { 776 777 return (lookup_value(vmresult, result)); 778 } 779 780 bool 781 sysdecode_wait4_options(FILE *fp, int options, int *rem) 782 { 783 bool printed; 784 int opt6; 785 786 /* A flags value of 0 is normal. */ 787 if (options == 0) { 788 fputs("0", fp); 789 if (rem != NULL) 790 *rem = 0; 791 return (true); 792 } 793 794 /* 795 * These flags are implicit and aren't valid flags for wait4() 796 * directly (though they don't fail with EINVAL). 797 */ 798 opt6 = options & (WEXITED | WTRAPPED); 799 options &= ~opt6; 800 printed = print_mask_int(fp, wait6opt, options, rem); 801 if (rem != NULL) 802 *rem |= opt6; 803 return (printed); 804 } 805 806 bool 807 sysdecode_wait6_options(FILE *fp, int options, int *rem) 808 { 809 810 return (print_mask_int(fp, wait6opt, options, rem)); 811 } 812 813 const char * 814 sysdecode_whence(int whence) 815 { 816 817 return (lookup_value(seekwhence, whence)); 818 } 819 820 const char * 821 sysdecode_fcntl_cmd(int cmd) 822 { 823 824 return (lookup_value(fcntlcmd, cmd)); 825 } 826 827 static struct name_table fcntl_fd_arg[] = { 828 X(FD_CLOEXEC) X(0) XEND 829 }; 830 831 bool 832 sysdecode_fcntl_arg_p(int cmd) 833 { 834 835 switch (cmd) { 836 case F_GETFD: 837 case F_GETFL: 838 case F_GETOWN: 839 return (false); 840 default: 841 return (true); 842 } 843 } 844 845 void 846 sysdecode_fcntl_arg(FILE *fp, int cmd, uintptr_t arg, int base) 847 { 848 int rem; 849 850 switch (cmd) { 851 case F_SETFD: 852 if (!print_value(fp, fcntl_fd_arg, arg)) 853 print_integer(fp, arg, base); 854 break; 855 case F_SETFL: 856 if (!sysdecode_fcntl_fileflags(fp, arg, &rem)) 857 fprintf(fp, "%#x", rem); 858 else if (rem != 0) 859 fprintf(fp, "|%#x", rem); 860 break; 861 case F_GETLK: 862 case F_SETLK: 863 case F_SETLKW: 864 fprintf(fp, "%p", (void *)arg); 865 break; 866 default: 867 print_integer(fp, arg, base); 868 break; 869 } 870 } 871 872 bool 873 sysdecode_mmap_flags(FILE *fp, int flags, int *rem) 874 { 875 uintmax_t val; 876 bool printed; 877 int align; 878 879 /* 880 * MAP_ALIGNED can't be handled directly by print_mask_int(). 881 * MAP_32BIT is also problematic since it isn't defined for 882 * all platforms. 883 */ 884 printed = false; 885 align = flags & MAP_ALIGNMENT_MASK; 886 val = (unsigned)flags & ~MAP_ALIGNMENT_MASK; 887 print_mask_part(fp, mmapflags, &val, &printed); 888 #ifdef MAP_32BIT 889 if (val & MAP_32BIT) { 890 fprintf(fp, "%sMAP_32BIT", printed ? "|" : ""); 891 printed = true; 892 val &= ~MAP_32BIT; 893 } 894 #endif 895 if (align != 0) { 896 if (printed) 897 fputc('|', fp); 898 if (align == MAP_ALIGNED_SUPER) 899 fputs("MAP_ALIGNED_SUPER", fp); 900 else 901 fprintf(fp, "MAP_ALIGNED(%d)", 902 align >> MAP_ALIGNMENT_SHIFT); 903 printed = true; 904 } 905 if (rem != NULL) 906 *rem = val; 907 return (printed); 908 } 909 910 const char * 911 sysdecode_rtprio_function(int function) 912 { 913 914 return (lookup_value(rtpriofuncs, function)); 915 } 916 917 bool 918 sysdecode_msg_flags(FILE *fp, int flags, int *rem) 919 { 920 921 return (print_mask_0(fp, msgflags, flags, rem)); 922 } 923 924 const char * 925 sysdecode_sigcode(int sig, int si_code) 926 { 927 const char *str; 928 929 str = lookup_value(sigcode, si_code); 930 if (str != NULL) 931 return (str); 932 933 switch (sig) { 934 case SIGILL: 935 return (sysdecode_sigill_code(si_code)); 936 case SIGBUS: 937 return (sysdecode_sigbus_code(si_code)); 938 case SIGSEGV: 939 return (sysdecode_sigsegv_code(si_code)); 940 case SIGFPE: 941 return (sysdecode_sigfpe_code(si_code)); 942 case SIGTRAP: 943 return (sysdecode_sigtrap_code(si_code)); 944 case SIGCHLD: 945 return (sysdecode_sigchld_code(si_code)); 946 default: 947 return (NULL); 948 } 949 } 950 951 bool 952 sysdecode_umtx_cvwait_flags(FILE *fp, u_long flags, u_long *rem) 953 { 954 955 return (print_mask_0ul(fp, umtxcvwaitflags, flags, rem)); 956 } 957 958 bool 959 sysdecode_umtx_rwlock_flags(FILE *fp, u_long flags, u_long *rem) 960 { 961 962 return (print_mask_0ul(fp, umtxrwlockflags, flags, rem)); 963 } 964 965 /* XXX: This should be in <sys/capsicum.h> */ 966 #define CAPMASK(right) ((right) & (((uint64_t)1 << 57) - 1)) 967 968 void 969 sysdecode_cap_rights(FILE *fp, cap_rights_t *rightsp) 970 { 971 struct name_table *t; 972 int idx; 973 bool comma; 974 975 comma = false; 976 for (t = caprights; t->str != NULL; t++) { 977 idx = ffs(CAPIDXBIT(t->val)) - 1; 978 if (CAPARSIZE(rightsp) < idx) 979 continue; 980 if ((rightsp->cr_rights[CAPIDXBIT(t->val)] & CAPMASK(t->val)) == 981 CAPMASK(t->val)) { 982 fprintf(fp, "%s%s", comma ? "," : "", t->str); 983 comma = true; 984 } 985 } 986 } 987