flags.c revision 324398
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 324398 2017-10-07 20:20:01Z emaste $"); 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/sctp.h> 51#include <netinet/tcp.h> 52#include <netinet/udp.h> 53#include <netinet/udplite.h> 54#include <nfsserver/nfs.h> 55#include <ufs/ufs/quota.h> 56#include <vm/vm.h> 57#include <vm/vm_param.h> 58#include <aio.h> 59#include <fcntl.h> 60#include <sched.h> 61#include <stdbool.h> 62#include <stdio.h> 63#include <stdlib.h> 64#include <strings.h> 65#include <sysdecode.h> 66#include <unistd.h> 67#include <sys/bitstring.h> 68#include <netgraph/bluetooth/include/ng_hci.h> 69#include <netgraph/bluetooth/include/ng_l2cap.h> 70#include <netgraph/bluetooth/include/ng_btsocket.h> 71 72/* 73 * This is taken from the xlat tables originally in truss which were 74 * in turn taken from strace. 75 */ 76struct name_table { 77 uintmax_t val; 78 const char *str; 79}; 80 81#define X(a) { a, #a }, 82#define XEND { 0, NULL } 83 84#define TABLE_START(n) static struct name_table n[] = { 85#define TABLE_ENTRY X 86#define TABLE_END XEND }; 87 88#include "tables.h" 89 90#undef TABLE_START 91#undef TABLE_ENTRY 92#undef TABLE_END 93 94/* 95 * These are simple support macros. print_or utilizes a variable 96 * defined in the calling function to track whether or not it should 97 * print a logical-OR character ('|') before a string. if_print_or 98 * simply handles the necessary "if" statement used in many lines 99 * of this file. 100 */ 101#define print_or(fp,str,orflag) do { \ 102 if (orflag) fputc(fp, '|'); else orflag = true; \ 103 fprintf(fp, str); } \ 104 while (0) 105#define if_print_or(fp,i,flag,orflag) do { \ 106 if ((i & flag) == flag) \ 107 print_or(fp,#flag,orflag); } \ 108 while (0) 109 110static const char * 111lookup_value(struct name_table *table, uintmax_t val) 112{ 113 114 for (; table->str != NULL; table++) 115 if (table->val == val) 116 return (table->str); 117 return (NULL); 118} 119 120/* 121 * Used when the value maps to a bitmask of #definition values in the 122 * table. This is a helper routine which outputs a symbolic mask of 123 * matched masks. Multiple masks are separated by a pipe ('|'). 124 * The value is modified on return to only hold unmatched bits. 125 */ 126static void 127print_mask_part(FILE *fp, struct name_table *table, uintmax_t *valp, 128 bool *printed) 129{ 130 uintmax_t rem; 131 132 rem = *valp; 133 for (; table->str != NULL; table++) { 134 if ((table->val & rem) == table->val) { 135 /* 136 * Only print a zero mask if the raw value is 137 * zero. 138 */ 139 if (table->val == 0 && *valp != 0) 140 continue; 141 fprintf(fp, "%s%s", *printed ? "|" : "", table->str); 142 *printed = true; 143 rem &= ~table->val; 144 } 145 } 146 147 *valp = rem; 148} 149 150/* 151 * Used when the value maps to a bitmask of #definition values in the 152 * table. The return value is true if something was printed. If 153 * rem is not NULL, *rem holds any bits not decoded if something was 154 * printed. If nothing was printed and rem is not NULL, *rem holds 155 * the original value. 156 */ 157static bool 158print_mask_int(FILE *fp, struct name_table *table, int ival, int *rem) 159{ 160 uintmax_t val; 161 bool printed; 162 163 printed = false; 164 val = (unsigned)ival; 165 print_mask_part(fp, table, &val, &printed); 166 if (rem != NULL) 167 *rem = val; 168 return (printed); 169} 170 171/* 172 * Used for a mask of optional flags where a value of 0 is valid. 173 */ 174static bool 175print_mask_0(FILE *fp, struct name_table *table, int val, int *rem) 176{ 177 178 if (val == 0) { 179 fputs("0", fp); 180 if (rem != NULL) 181 *rem = 0; 182 return (true); 183 } 184 return (print_mask_int(fp, table, val, rem)); 185} 186 187/* 188 * Like print_mask_0 but for a unsigned long instead of an int. 189 */ 190static bool 191print_mask_0ul(FILE *fp, struct name_table *table, u_long lval, u_long *rem) 192{ 193 uintmax_t val; 194 bool printed; 195 196 if (lval == 0) { 197 fputs("0", fp); 198 if (rem != NULL) 199 *rem = 0; 200 return (true); 201 } 202 203 printed = false; 204 val = lval; 205 print_mask_part(fp, table, &val, &printed); 206 if (rem != NULL) 207 *rem = val; 208 return (printed); 209} 210 211static void 212print_integer(FILE *fp, int val, int base) 213{ 214 215 switch (base) { 216 case 8: 217 fprintf(fp, "0%o", val); 218 break; 219 case 10: 220 fprintf(fp, "%d", val); 221 break; 222 case 16: 223 fprintf(fp, "0x%x", val); 224 break; 225 default: 226 abort2("bad base", 0, NULL); 227 break; 228 } 229} 230 231static bool 232print_value(FILE *fp, struct name_table *table, uintmax_t val) 233{ 234 const char *str; 235 236 str = lookup_value(table, val); 237 if (str != NULL) { 238 fputs(str, fp); 239 return (true); 240 } 241 return (false); 242} 243 244const char * 245sysdecode_atfd(int fd) 246{ 247 248 if (fd == AT_FDCWD) 249 return ("AT_FDCWD"); 250 return (NULL); 251} 252 253static struct name_table semctlops[] = { 254 X(GETNCNT) X(GETPID) X(GETVAL) X(GETALL) X(GETZCNT) X(SETVAL) X(SETALL) 255 X(IPC_RMID) X(IPC_SET) X(IPC_STAT) XEND 256}; 257 258const char * 259sysdecode_semctl_cmd(int cmd) 260{ 261 262 return (lookup_value(semctlops, cmd)); 263} 264 265static struct name_table shmctlops[] = { 266 X(IPC_RMID) X(IPC_SET) X(IPC_STAT) XEND 267}; 268 269const char * 270sysdecode_shmctl_cmd(int cmd) 271{ 272 273 return (lookup_value(shmctlops, cmd)); 274} 275 276const char * 277sysdecode_msgctl_cmd(int cmd) 278{ 279 280 return (sysdecode_shmctl_cmd(cmd)); 281} 282 283static struct name_table semgetflags[] = { 284 X(IPC_CREAT) X(IPC_EXCL) X(SEM_R) X(SEM_A) X((SEM_R>>3)) X((SEM_A>>3)) 285 X((SEM_R>>6)) X((SEM_A>>6)) XEND 286}; 287 288bool 289sysdecode_semget_flags(FILE *fp, int flag, int *rem) 290{ 291 292 return (print_mask_int(fp, semgetflags, flag, rem)); 293} 294 295static struct name_table idtypes[] = { 296 X(P_PID) X(P_PPID) X(P_PGID) X(P_SID) X(P_CID) X(P_UID) X(P_GID) 297 X(P_ALL) X(P_LWPID) X(P_TASKID) X(P_PROJID) X(P_POOLID) X(P_JAILID) 298 X(P_CTID) X(P_CPUID) X(P_PSETID) XEND 299}; 300 301/* XXX: idtype is really an idtype_t */ 302const char * 303sysdecode_idtype(int idtype) 304{ 305 306 return (lookup_value(idtypes, idtype)); 307} 308 309/* 310 * [g|s]etsockopt's level argument can either be SOL_SOCKET or a 311 * protocol-specific value. 312 */ 313const char * 314sysdecode_sockopt_level(int level) 315{ 316 const char *str; 317 318 if (level == SOL_SOCKET) 319 return ("SOL_SOCKET"); 320 321 /* SOL_* constants for Bluetooth sockets. */ 322 str = lookup_value(ngbtsolevel, level); 323 if (str != NULL) 324 return (str); 325 326 /* 327 * IP and Infiniband sockets use IP protocols as levels. Not all 328 * protocols are valid but it is simpler to just allow all of them. 329 * 330 * XXX: IPPROTO_IP == 0, but UNIX domain sockets use a level of 0 331 * for private options. 332 */ 333 str = sysdecode_ipproto(level); 334 if (str != NULL) 335 return (str); 336 337 return (NULL); 338} 339 340bool 341sysdecode_vmprot(FILE *fp, int type, int *rem) 342{ 343 344 return (print_mask_int(fp, vmprot, type, rem)); 345} 346 347static struct name_table sockflags[] = { 348 X(SOCK_CLOEXEC) X(SOCK_NONBLOCK) XEND 349}; 350 351bool 352sysdecode_socket_type(FILE *fp, int type, int *rem) 353{ 354 const char *str; 355 uintmax_t val; 356 bool printed; 357 358 str = lookup_value(socktype, type & ~(SOCK_CLOEXEC | SOCK_NONBLOCK)); 359 if (str != NULL) { 360 fputs(str, fp); 361 *rem = 0; 362 printed = true; 363 } else { 364 *rem = type & ~(SOCK_CLOEXEC | SOCK_NONBLOCK); 365 printed = false; 366 } 367 val = type & (SOCK_CLOEXEC | SOCK_NONBLOCK); 368 print_mask_part(fp, sockflags, &val, &printed); 369 return (printed); 370} 371 372bool 373sysdecode_access_mode(FILE *fp, int mode, int *rem) 374{ 375 376 return (print_mask_int(fp, accessmode, mode, rem)); 377} 378 379/* XXX: 'type' is really an acl_type_t. */ 380const char * 381sysdecode_acltype(int type) 382{ 383 384 return (lookup_value(acltype, type)); 385} 386 387bool 388sysdecode_cap_fcntlrights(FILE *fp, uint32_t rights, uint32_t *rem) 389{ 390 391 return (print_mask_int(fp, capfcntl, rights, rem)); 392} 393 394const char * 395sysdecode_extattrnamespace(int namespace) 396{ 397 398 return (lookup_value(extattrns, namespace)); 399} 400 401const char * 402sysdecode_fadvice(int advice) 403{ 404 405 return (lookup_value(fadvisebehav, advice)); 406} 407 408bool 409sysdecode_open_flags(FILE *fp, int flags, int *rem) 410{ 411 bool printed; 412 int mode; 413 uintmax_t val; 414 415 mode = flags & O_ACCMODE; 416 flags &= ~O_ACCMODE; 417 switch (mode) { 418 case O_RDONLY: 419 if (flags & O_EXEC) { 420 flags &= ~O_EXEC; 421 fputs("O_EXEC", fp); 422 } else 423 fputs("O_RDONLY", fp); 424 printed = true; 425 mode = 0; 426 break; 427 case O_WRONLY: 428 fputs("O_WRONLY", fp); 429 printed = true; 430 mode = 0; 431 break; 432 case O_RDWR: 433 fputs("O_RDWR", fp); 434 printed = true; 435 mode = 0; 436 break; 437 default: 438 printed = false; 439 } 440 val = (unsigned)flags; 441 print_mask_part(fp, openflags, &val, &printed); 442 if (rem != NULL) 443 *rem = val | mode; 444 return (printed); 445} 446 447bool 448sysdecode_fcntl_fileflags(FILE *fp, int flags, int *rem) 449{ 450 bool printed; 451 int oflags; 452 453 /* 454 * The file flags used with F_GETFL/F_SETFL mostly match the 455 * flags passed to open(2). However, a few open-only flag 456 * bits have been repurposed for fcntl-only flags. 457 */ 458 oflags = flags & ~(O_NOFOLLOW | FRDAHEAD); 459 printed = sysdecode_open_flags(fp, oflags, rem); 460 if (flags & O_NOFOLLOW) { 461 fprintf(fp, "%sFPOIXSHM", printed ? "|" : ""); 462 printed = true; 463 } 464 if (flags & FRDAHEAD) { 465 fprintf(fp, "%sFRDAHEAD", printed ? "|" : ""); 466 printed = true; 467 } 468 return (printed); 469} 470 471bool 472sysdecode_flock_operation(FILE *fp, int operation, int *rem) 473{ 474 475 return (print_mask_int(fp, flockops, operation, rem)); 476} 477 478static struct name_table getfsstatmode[] = { 479 X(MNT_WAIT) X(MNT_NOWAIT) XEND 480}; 481 482const char * 483sysdecode_getfsstat_mode(int mode) 484{ 485 486 return (lookup_value(getfsstatmode, mode)); 487} 488 489const char * 490sysdecode_kldsym_cmd(int cmd) 491{ 492 493 return (lookup_value(kldsymcmd, cmd)); 494} 495 496const char * 497sysdecode_kldunload_flags(int flags) 498{ 499 500 return (lookup_value(kldunloadfflags, flags)); 501} 502 503const char * 504sysdecode_lio_listio_mode(int mode) 505{ 506 507 return (lookup_value(lio_listiomodes, mode)); 508} 509 510const char * 511sysdecode_madvice(int advice) 512{ 513 514 return (lookup_value(madvisebehav, advice)); 515} 516 517const char * 518sysdecode_minherit_inherit(int inherit) 519{ 520 521 return (lookup_value(minheritflags, inherit)); 522} 523 524bool 525sysdecode_mlockall_flags(FILE *fp, int flags, int *rem) 526{ 527 528 return (print_mask_int(fp, mlockallflags, flags, rem)); 529} 530 531bool 532sysdecode_mmap_prot(FILE *fp, int prot, int *rem) 533{ 534 535 return (print_mask_int(fp, mmapprot, prot, rem)); 536} 537 538bool 539sysdecode_fileflags(FILE *fp, fflags_t flags, fflags_t *rem) 540{ 541 542 return (print_mask_0(fp, fileflags, flags, rem)); 543} 544 545bool 546sysdecode_filemode(FILE *fp, int mode, int *rem) 547{ 548 549 return (print_mask_0(fp, filemode, mode, rem)); 550} 551 552bool 553sysdecode_mount_flags(FILE *fp, int flags, int *rem) 554{ 555 556 return (print_mask_int(fp, mountflags, flags, rem)); 557} 558 559bool 560sysdecode_msync_flags(FILE *fp, int flags, int *rem) 561{ 562 563 return (print_mask_int(fp, msyncflags, flags, rem)); 564} 565 566const char * 567sysdecode_nfssvc_flags(int flags) 568{ 569 570 return (lookup_value(nfssvcflags, flags)); 571} 572 573static struct name_table pipe2flags[] = { 574 X(O_CLOEXEC) X(O_NONBLOCK) XEND 575}; 576 577bool 578sysdecode_pipe2_flags(FILE *fp, int flags, int *rem) 579{ 580 581 return (print_mask_0(fp, pipe2flags, flags, rem)); 582} 583 584const char * 585sysdecode_prio_which(int which) 586{ 587 588 return (lookup_value(prio, which)); 589} 590 591const char * 592sysdecode_procctl_cmd(int cmd) 593{ 594 595 return (lookup_value(procctlcmd, cmd)); 596} 597 598const char * 599sysdecode_ptrace_request(int request) 600{ 601 602 return (lookup_value(ptraceop, request)); 603} 604 605static struct name_table quotatypes[] = { 606 X(GRPQUOTA) X(USRQUOTA) XEND 607}; 608 609bool 610sysdecode_quotactl_cmd(FILE *fp, int cmd) 611{ 612 const char *primary, *type; 613 614 primary = lookup_value(quotactlcmds, cmd >> SUBCMDSHIFT); 615 if (primary == NULL) 616 return (false); 617 fprintf(fp, "QCMD(%s,", primary); 618 type = lookup_value(quotatypes, cmd & SUBCMDMASK); 619 if (type != NULL) 620 fprintf(fp, "%s", type); 621 else 622 fprintf(fp, "%#x", cmd & SUBCMDMASK); 623 fprintf(fp, ")"); 624 return (true); 625} 626 627bool 628sysdecode_reboot_howto(FILE *fp, int howto, int *rem) 629{ 630 631 return (print_mask_int(fp, rebootopt, howto, rem)); 632} 633 634bool 635sysdecode_rfork_flags(FILE *fp, int flags, int *rem) 636{ 637 638 return (print_mask_int(fp, rforkflags, flags, rem)); 639} 640 641const char * 642sysdecode_rlimit(int resource) 643{ 644 645 return (lookup_value(rlimit, resource)); 646} 647 648const char * 649sysdecode_scheduler_policy(int policy) 650{ 651 652 return (lookup_value(schedpolicy, policy)); 653} 654 655bool 656sysdecode_sendfile_flags(FILE *fp, int flags, int *rem) 657{ 658 659 return (print_mask_int(fp, sendfileflags, flags, rem)); 660} 661 662bool 663sysdecode_shmat_flags(FILE *fp, int flags, int *rem) 664{ 665 666 return (print_mask_int(fp, shmatflags, flags, rem)); 667} 668 669const char * 670sysdecode_shutdown_how(int how) 671{ 672 673 return (lookup_value(shutdownhow, how)); 674} 675 676const char * 677sysdecode_sigbus_code(int si_code) 678{ 679 680 return (lookup_value(sigbuscode, si_code)); 681} 682 683const char * 684sysdecode_sigchld_code(int si_code) 685{ 686 687 return (lookup_value(sigchldcode, si_code)); 688} 689 690const char * 691sysdecode_sigfpe_code(int si_code) 692{ 693 694 return (lookup_value(sigfpecode, si_code)); 695} 696 697const char * 698sysdecode_sigill_code(int si_code) 699{ 700 701 return (lookup_value(sigillcode, si_code)); 702} 703 704const char * 705sysdecode_sigsegv_code(int si_code) 706{ 707 708 return (lookup_value(sigsegvcode, si_code)); 709} 710 711const char * 712sysdecode_sigtrap_code(int si_code) 713{ 714 715 return (lookup_value(sigtrapcode, si_code)); 716} 717 718const char * 719sysdecode_sigprocmask_how(int how) 720{ 721 722 return (lookup_value(sigprocmaskhow, how)); 723} 724 725const char * 726sysdecode_socketdomain(int domain) 727{ 728 729 return (lookup_value(sockdomain, domain)); 730} 731 732const char * 733sysdecode_socket_protocol(int domain, int protocol) 734{ 735 736 switch (domain) { 737 case PF_INET: 738 case PF_INET6: 739 return (lookup_value(sockipproto, protocol)); 740 default: 741 return (NULL); 742 } 743} 744 745const char * 746sysdecode_sockaddr_family(int sa_family) 747{ 748 749 return (lookup_value(sockfamily, sa_family)); 750} 751 752const char * 753sysdecode_ipproto(int protocol) 754{ 755 756 return (lookup_value(sockipproto, protocol)); 757} 758 759const char * 760sysdecode_sockopt_name(int level, int optname) 761{ 762 763 if (level == SOL_SOCKET) 764 return (lookup_value(sockopt, optname)); 765 if (level == IPPROTO_IP) 766 /* XXX: UNIX domain socket options use a level of 0 also. */ 767 return (lookup_value(sockoptip, optname)); 768 if (level == IPPROTO_IPV6) 769 return (lookup_value(sockoptipv6, optname)); 770 if (level == IPPROTO_SCTP) 771 return (lookup_value(sockoptsctp, optname)); 772 if (level == IPPROTO_TCP) 773 return (lookup_value(sockopttcp, optname)); 774 if (level == IPPROTO_UDP) 775 return (lookup_value(sockoptudp, optname)); 776 if (level == IPPROTO_UDPLITE) 777 return (lookup_value(sockoptudplite, optname)); 778 return (NULL); 779} 780 781bool 782sysdecode_thr_create_flags(FILE *fp, int flags, int *rem) 783{ 784 785 return (print_mask_int(fp, thrcreateflags, flags, rem)); 786} 787 788const char * 789sysdecode_umtx_op(int op) 790{ 791 792 return (lookup_value(umtxop, op)); 793} 794 795const char * 796sysdecode_vmresult(int result) 797{ 798 799 return (lookup_value(vmresult, result)); 800} 801 802bool 803sysdecode_wait4_options(FILE *fp, int options, int *rem) 804{ 805 bool printed; 806 int opt6; 807 808 /* A flags value of 0 is normal. */ 809 if (options == 0) { 810 fputs("0", fp); 811 if (rem != NULL) 812 *rem = 0; 813 return (true); 814 } 815 816 /* 817 * These flags are implicit and aren't valid flags for wait4() 818 * directly (though they don't fail with EINVAL). 819 */ 820 opt6 = options & (WEXITED | WTRAPPED); 821 options &= ~opt6; 822 printed = print_mask_int(fp, wait6opt, options, rem); 823 if (rem != NULL) 824 *rem |= opt6; 825 return (printed); 826} 827 828bool 829sysdecode_wait6_options(FILE *fp, int options, int *rem) 830{ 831 832 return (print_mask_int(fp, wait6opt, options, rem)); 833} 834 835const char * 836sysdecode_whence(int whence) 837{ 838 839 return (lookup_value(seekwhence, whence)); 840} 841 842const char * 843sysdecode_fcntl_cmd(int cmd) 844{ 845 846 return (lookup_value(fcntlcmd, cmd)); 847} 848 849static struct name_table fcntl_fd_arg[] = { 850 X(FD_CLOEXEC) X(0) XEND 851}; 852 853bool 854sysdecode_fcntl_arg_p(int cmd) 855{ 856 857 switch (cmd) { 858 case F_GETFD: 859 case F_GETFL: 860 case F_GETOWN: 861 return (false); 862 default: 863 return (true); 864 } 865} 866 867void 868sysdecode_fcntl_arg(FILE *fp, int cmd, uintptr_t arg, int base) 869{ 870 int rem; 871 872 switch (cmd) { 873 case F_SETFD: 874 if (!print_value(fp, fcntl_fd_arg, arg)) 875 print_integer(fp, arg, base); 876 break; 877 case F_SETFL: 878 if (!sysdecode_fcntl_fileflags(fp, arg, &rem)) 879 fprintf(fp, "%#x", rem); 880 else if (rem != 0) 881 fprintf(fp, "|%#x", rem); 882 break; 883 case F_GETLK: 884 case F_SETLK: 885 case F_SETLKW: 886 fprintf(fp, "%p", (void *)arg); 887 break; 888 default: 889 print_integer(fp, arg, base); 890 break; 891 } 892} 893 894bool 895sysdecode_mmap_flags(FILE *fp, int flags, int *rem) 896{ 897 uintmax_t val; 898 bool printed; 899 int align; 900 901 /* 902 * MAP_ALIGNED can't be handled directly by print_mask_int(). 903 * MAP_32BIT is also problematic since it isn't defined for 904 * all platforms. 905 */ 906 printed = false; 907 align = flags & MAP_ALIGNMENT_MASK; 908 val = (unsigned)flags & ~MAP_ALIGNMENT_MASK; 909 print_mask_part(fp, mmapflags, &val, &printed); 910#ifdef MAP_32BIT 911 if (val & MAP_32BIT) { 912 fprintf(fp, "%sMAP_32BIT", printed ? "|" : ""); 913 printed = true; 914 val &= ~MAP_32BIT; 915 } 916#endif 917 if (align != 0) { 918 if (printed) 919 fputc('|', fp); 920 if (align == MAP_ALIGNED_SUPER) 921 fputs("MAP_ALIGNED_SUPER", fp); 922 else 923 fprintf(fp, "MAP_ALIGNED(%d)", 924 align >> MAP_ALIGNMENT_SHIFT); 925 printed = true; 926 } 927 if (rem != NULL) 928 *rem = val; 929 return (printed); 930} 931 932const char * 933sysdecode_rtprio_function(int function) 934{ 935 936 return (lookup_value(rtpriofuncs, function)); 937} 938 939bool 940sysdecode_msg_flags(FILE *fp, int flags, int *rem) 941{ 942 943 return (print_mask_0(fp, msgflags, flags, rem)); 944} 945 946const char * 947sysdecode_sigcode(int sig, int si_code) 948{ 949 const char *str; 950 951 str = lookup_value(sigcode, si_code); 952 if (str != NULL) 953 return (str); 954 955 switch (sig) { 956 case SIGILL: 957 return (sysdecode_sigill_code(si_code)); 958 case SIGBUS: 959 return (sysdecode_sigbus_code(si_code)); 960 case SIGSEGV: 961 return (sysdecode_sigsegv_code(si_code)); 962 case SIGFPE: 963 return (sysdecode_sigfpe_code(si_code)); 964 case SIGTRAP: 965 return (sysdecode_sigtrap_code(si_code)); 966 case SIGCHLD: 967 return (sysdecode_sigchld_code(si_code)); 968 default: 969 return (NULL); 970 } 971} 972 973bool 974sysdecode_umtx_cvwait_flags(FILE *fp, u_long flags, u_long *rem) 975{ 976 977 return (print_mask_0ul(fp, umtxcvwaitflags, flags, rem)); 978} 979 980bool 981sysdecode_umtx_rwlock_flags(FILE *fp, u_long flags, u_long *rem) 982{ 983 984 return (print_mask_0ul(fp, umtxrwlockflags, flags, rem)); 985} 986 987void 988sysdecode_cap_rights(FILE *fp, cap_rights_t *rightsp) 989{ 990 struct name_table *t; 991 int i; 992 bool comma; 993 994 for (i = 0; i < CAPARSIZE(rightsp); i++) { 995 if (CAPIDXBIT(rightsp->cr_rights[i]) != 1 << i) { 996 fprintf(fp, "invalid cap_rights_t"); 997 return; 998 } 999 } 1000 comma = false; 1001 for (t = caprights; t->str != NULL; t++) { 1002 if (cap_rights_is_set(rightsp, t->val)) { 1003 fprintf(fp, "%s%s", comma ? "," : "", t->str); 1004 comma = true; 1005 } 1006 } 1007} 1008