flags.c revision 318764
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: stable/11/lib/libsysdecode/flags.c 318764 2017-05-24 00:36:27Z jhb $"); 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 */ 74struct 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 108static const char * 109lookup_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 */ 124static void 125print_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 */ 155static bool 156print_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 */ 172static bool 173print_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 */ 188static bool 189print_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 209static void 210print_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 229static bool 230print_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 242const char * 243sysdecode_atfd(int fd) 244{ 245 246 if (fd == AT_FDCWD) 247 return ("AT_FDCWD"); 248 return (NULL); 249} 250 251static 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 256const char * 257sysdecode_semctl_cmd(int cmd) 258{ 259 260 return (lookup_value(semctlops, cmd)); 261} 262 263static struct name_table shmctlops[] = { 264 X(IPC_RMID) X(IPC_SET) X(IPC_STAT) XEND 265}; 266 267const char * 268sysdecode_shmctl_cmd(int cmd) 269{ 270 271 return (lookup_value(shmctlops, cmd)); 272} 273 274const char * 275sysdecode_msgctl_cmd(int cmd) 276{ 277 278 return (sysdecode_shmctl_cmd(cmd)); 279} 280 281static 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 286bool 287sysdecode_semget_flags(FILE *fp, int flag, int *rem) 288{ 289 290 return (print_mask_int(fp, semgetflags, flag, rem)); 291} 292 293static 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 */ 300const char * 301sysdecode_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 */ 311const char * 312sysdecode_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 338bool 339sysdecode_vmprot(FILE *fp, int type, int *rem) 340{ 341 342 return (print_mask_int(fp, vmprot, type, rem)); 343} 344 345static struct name_table sockflags[] = { 346 X(SOCK_CLOEXEC) X(SOCK_NONBLOCK) XEND 347}; 348 349bool 350sysdecode_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 370bool 371sysdecode_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. */ 378const char * 379sysdecode_acltype(int type) 380{ 381 382 return (lookup_value(acltype, type)); 383} 384 385bool 386sysdecode_cap_fcntlrights(FILE *fp, uint32_t rights, uint32_t *rem) 387{ 388 389 return (print_mask_int(fp, capfcntl, rights, rem)); 390} 391 392const char * 393sysdecode_extattrnamespace(int namespace) 394{ 395 396 return (lookup_value(extattrns, namespace)); 397} 398 399const char * 400sysdecode_fadvice(int advice) 401{ 402 403 return (lookup_value(fadvisebehav, advice)); 404} 405 406bool 407sysdecode_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 445bool 446sysdecode_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 469bool 470sysdecode_flock_operation(FILE *fp, int operation, int *rem) 471{ 472 473 return (print_mask_int(fp, flockops, operation, rem)); 474} 475 476static struct name_table getfsstatmode[] = { 477 X(MNT_WAIT) X(MNT_NOWAIT) XEND 478}; 479 480const char * 481sysdecode_getfsstat_mode(int mode) 482{ 483 484 return (lookup_value(getfsstatmode, mode)); 485} 486 487const char * 488sysdecode_kldsym_cmd(int cmd) 489{ 490 491 return (lookup_value(kldsymcmd, cmd)); 492} 493 494const char * 495sysdecode_kldunload_flags(int flags) 496{ 497 498 return (lookup_value(kldunloadfflags, flags)); 499} 500 501const char * 502sysdecode_lio_listio_mode(int mode) 503{ 504 505 return (lookup_value(lio_listiomodes, mode)); 506} 507 508const char * 509sysdecode_madvice(int advice) 510{ 511 512 return (lookup_value(madvisebehav, advice)); 513} 514 515const char * 516sysdecode_minherit_inherit(int inherit) 517{ 518 519 return (lookup_value(minheritflags, inherit)); 520} 521 522bool 523sysdecode_mlockall_flags(FILE *fp, int flags, int *rem) 524{ 525 526 return (print_mask_int(fp, mlockallflags, flags, rem)); 527} 528 529bool 530sysdecode_mmap_prot(FILE *fp, int prot, int *rem) 531{ 532 533 return (print_mask_int(fp, mmapprot, prot, rem)); 534} 535 536bool 537sysdecode_fileflags(FILE *fp, fflags_t flags, fflags_t *rem) 538{ 539 540 return (print_mask_0(fp, fileflags, flags, rem)); 541} 542 543bool 544sysdecode_filemode(FILE *fp, int mode, int *rem) 545{ 546 547 return (print_mask_0(fp, filemode, mode, rem)); 548} 549 550bool 551sysdecode_mount_flags(FILE *fp, int flags, int *rem) 552{ 553 554 return (print_mask_int(fp, mountflags, flags, rem)); 555} 556 557bool 558sysdecode_msync_flags(FILE *fp, int flags, int *rem) 559{ 560 561 return (print_mask_int(fp, msyncflags, flags, rem)); 562} 563 564const char * 565sysdecode_nfssvc_flags(int flags) 566{ 567 568 return (lookup_value(nfssvcflags, flags)); 569} 570 571static struct name_table pipe2flags[] = { 572 X(O_CLOEXEC) X(O_NONBLOCK) XEND 573}; 574 575bool 576sysdecode_pipe2_flags(FILE *fp, int flags, int *rem) 577{ 578 579 return (print_mask_0(fp, pipe2flags, flags, rem)); 580} 581 582const char * 583sysdecode_prio_which(int which) 584{ 585 586 return (lookup_value(prio, which)); 587} 588 589const char * 590sysdecode_procctl_cmd(int cmd) 591{ 592 593 return (lookup_value(procctlcmd, cmd)); 594} 595 596const char * 597sysdecode_ptrace_request(int request) 598{ 599 600 return (lookup_value(ptraceop, request)); 601} 602 603static struct name_table quotatypes[] = { 604 X(GRPQUOTA) X(USRQUOTA) XEND 605}; 606 607bool 608sysdecode_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 625bool 626sysdecode_reboot_howto(FILE *fp, int howto, int *rem) 627{ 628 629 return (print_mask_int(fp, rebootopt, howto, rem)); 630} 631 632bool 633sysdecode_rfork_flags(FILE *fp, int flags, int *rem) 634{ 635 636 return (print_mask_int(fp, rforkflags, flags, rem)); 637} 638 639const char * 640sysdecode_rlimit(int resource) 641{ 642 643 return (lookup_value(rlimit, resource)); 644} 645 646const char * 647sysdecode_scheduler_policy(int policy) 648{ 649 650 return (lookup_value(schedpolicy, policy)); 651} 652 653bool 654sysdecode_sendfile_flags(FILE *fp, int flags, int *rem) 655{ 656 657 return (print_mask_int(fp, sendfileflags, flags, rem)); 658} 659 660bool 661sysdecode_shmat_flags(FILE *fp, int flags, int *rem) 662{ 663 664 return (print_mask_int(fp, shmatflags, flags, rem)); 665} 666 667const char * 668sysdecode_shutdown_how(int how) 669{ 670 671 return (lookup_value(shutdownhow, how)); 672} 673 674const char * 675sysdecode_sigbus_code(int si_code) 676{ 677 678 return (lookup_value(sigbuscode, si_code)); 679} 680 681const char * 682sysdecode_sigchld_code(int si_code) 683{ 684 685 return (lookup_value(sigchldcode, si_code)); 686} 687 688const char * 689sysdecode_sigfpe_code(int si_code) 690{ 691 692 return (lookup_value(sigfpecode, si_code)); 693} 694 695const char * 696sysdecode_sigill_code(int si_code) 697{ 698 699 return (lookup_value(sigillcode, si_code)); 700} 701 702const char * 703sysdecode_sigsegv_code(int si_code) 704{ 705 706 return (lookup_value(sigsegvcode, si_code)); 707} 708 709const char * 710sysdecode_sigtrap_code(int si_code) 711{ 712 713 return (lookup_value(sigtrapcode, si_code)); 714} 715 716const char * 717sysdecode_sigprocmask_how(int how) 718{ 719 720 return (lookup_value(sigprocmaskhow, how)); 721} 722 723const char * 724sysdecode_socketdomain(int domain) 725{ 726 727 return (lookup_value(sockdomain, domain)); 728} 729 730const char * 731sysdecode_sockaddr_family(int sa_family) 732{ 733 734 return (lookup_value(sockfamily, sa_family)); 735} 736 737const char * 738sysdecode_ipproto(int protocol) 739{ 740 741 return (lookup_value(sockipproto, protocol)); 742} 743 744const char * 745sysdecode_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 760bool 761sysdecode_thr_create_flags(FILE *fp, int flags, int *rem) 762{ 763 764 return (print_mask_int(fp, thrcreateflags, flags, rem)); 765} 766 767const char * 768sysdecode_umtx_op(int op) 769{ 770 771 return (lookup_value(umtxop, op)); 772} 773 774const char * 775sysdecode_vmresult(int result) 776{ 777 778 return (lookup_value(vmresult, result)); 779} 780 781bool 782sysdecode_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 807bool 808sysdecode_wait6_options(FILE *fp, int options, int *rem) 809{ 810 811 return (print_mask_int(fp, wait6opt, options, rem)); 812} 813 814const char * 815sysdecode_whence(int whence) 816{ 817 818 return (lookup_value(seekwhence, whence)); 819} 820 821const char * 822sysdecode_fcntl_cmd(int cmd) 823{ 824 825 return (lookup_value(fcntlcmd, cmd)); 826} 827 828static struct name_table fcntl_fd_arg[] = { 829 X(FD_CLOEXEC) X(0) XEND 830}; 831 832bool 833sysdecode_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 846void 847sysdecode_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 873bool 874sysdecode_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 911const char * 912sysdecode_rtprio_function(int function) 913{ 914 915 return (lookup_value(rtpriofuncs, function)); 916} 917 918bool 919sysdecode_msg_flags(FILE *fp, int flags, int *rem) 920{ 921 922 return (print_mask_0(fp, msgflags, flags, rem)); 923} 924 925const char * 926sysdecode_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 952bool 953sysdecode_umtx_cvwait_flags(FILE *fp, u_long flags, u_long *rem) 954{ 955 956 return (print_mask_0ul(fp, umtxcvwaitflags, flags, rem)); 957} 958 959bool 960sysdecode_umtx_rwlock_flags(FILE *fp, u_long flags, u_long *rem) 961{ 962 963 return (print_mask_0ul(fp, umtxrwlockflags, flags, rem)); 964} 965 966void 967sysdecode_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