kdump.c revision 226262
1/*- 2 * Copyright (c) 1988, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 4. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30#ifndef lint 31static const char copyright[] = 32"@(#) Copyright (c) 1988, 1993\n\ 33 The Regents of the University of California. All rights reserved.\n"; 34#endif /* not lint */ 35 36#ifndef lint 37#if 0 38static char sccsid[] = "@(#)kdump.c 8.1 (Berkeley) 6/6/93"; 39#endif 40#endif /* not lint */ 41#include <sys/cdefs.h> 42__FBSDID("$FreeBSD: head/usr.bin/kdump/kdump.c 226262 2011-10-11 15:04:58Z des $"); 43 44#define _KERNEL 45extern int errno; 46#include <sys/errno.h> 47#undef _KERNEL 48#include <sys/param.h> 49#include <sys/errno.h> 50#define _KERNEL 51#include <sys/time.h> 52#undef _KERNEL 53#include <sys/uio.h> 54#include <sys/ktrace.h> 55#include <sys/ioctl.h> 56#include <sys/socket.h> 57#include <sys/stat.h> 58#include <sys/sysent.h> 59#include <sys/un.h> 60#include <sys/queue.h> 61#ifdef IPX 62#include <sys/types.h> 63#include <netipx/ipx.h> 64#endif 65#ifdef NETATALK 66#include <netatalk/at.h> 67#endif 68#include <arpa/inet.h> 69#include <netinet/in.h> 70#include <ctype.h> 71#include <dlfcn.h> 72#include <err.h> 73#include <grp.h> 74#include <inttypes.h> 75#include <locale.h> 76#include <pwd.h> 77#include <stdio.h> 78#include <stdlib.h> 79#include <string.h> 80#include <time.h> 81#include <unistd.h> 82#include <vis.h> 83#include "ktrace.h" 84#include "kdump_subr.h" 85 86u_int abidump(struct ktr_header *); 87int fetchprocinfo(struct ktr_header *, u_int *); 88int fread_tail(void *, int, int); 89void dumpheader(struct ktr_header *); 90void ktrsyscall(struct ktr_syscall *, u_int); 91void ktrsysret(struct ktr_sysret *, u_int); 92void ktrnamei(char *, int); 93void hexdump(char *, int, int); 94void visdump(char *, int, int); 95void ktrgenio(struct ktr_genio *, int); 96void ktrpsig(struct ktr_psig *); 97void ktrcsw(struct ktr_csw *); 98void ktruser(int, unsigned char *); 99void ktrsockaddr(struct sockaddr *); 100void ktrstat(struct stat *); 101void ktrstruct(char *, size_t); 102void usage(void); 103void ioctlname(unsigned long, int); 104 105int timestamp, decimal, fancy = 1, suppressdata, tail, threads, maxdata, 106 resolv = 0, abiflag = 0; 107const char *tracefile = DEF_TRACEFILE; 108struct ktr_header ktr_header; 109 110#define TIME_FORMAT "%b %e %T %Y" 111#define eqs(s1, s2) (strcmp((s1), (s2)) == 0) 112 113#define print_number(i,n,c) do { \ 114 if (decimal) \ 115 printf("%c%jd", c, (intmax_t)*i); \ 116 else \ 117 printf("%c%#jx", c, (uintmax_t)(u_register_t)*i); \ 118 i++; \ 119 n--; \ 120 c = ','; \ 121} while (0) 122 123#if defined(__amd64__) || defined(__i386__) 124 125void linux_ktrsyscall(struct ktr_syscall *); 126void linux_ktrsysret(struct ktr_sysret *); 127extern char *linux_syscallnames[]; 128extern int nlinux_syscalls; 129 130/* 131 * from linux.h 132 * Linux syscalls return negative errno's, we do positive and map them 133 */ 134static int bsd_to_linux_errno[ELAST + 1] = { 135 -0, -1, -2, -3, -4, -5, -6, -7, -8, -9, 136 -10, -35, -12, -13, -14, -15, -16, -17, -18, -19, 137 -20, -21, -22, -23, -24, -25, -26, -27, -28, -29, 138 -30, -31, -32, -33, -34, -11,-115,-114, -88, -89, 139 -90, -91, -92, -93, -94, -95, -96, -97, -98, -99, 140 -100,-101,-102,-103,-104,-105,-106,-107,-108,-109, 141 -110,-111, -40, -36,-112,-113, -39, -11, -87,-122, 142 -116, -66, -6, -6, -6, -6, -6, -37, -38, -9, 143 -6, -6, -43, -42, -75,-125, -84, -95, -16, -74, 144 -72, -67, -71 145}; 146#endif 147 148struct proc_info 149{ 150 TAILQ_ENTRY(proc_info) info; 151 u_int sv_flags; 152 pid_t pid; 153}; 154 155TAILQ_HEAD(trace_procs, proc_info) trace_procs; 156 157int 158main(int argc, char *argv[]) 159{ 160 int ch, ktrlen, size; 161 void *m; 162 int trpoints = ALL_POINTS; 163 int drop_logged; 164 pid_t pid = 0; 165 u_int sv_flags; 166 167 setlocale(LC_CTYPE, ""); 168 169 while ((ch = getopt(argc,argv,"f:dElm:np:AHRrsTt:")) != -1) 170 switch (ch) { 171 case 'A': 172 abiflag = 1; 173 break; 174 case 'f': 175 tracefile = optarg; 176 break; 177 case 'd': 178 decimal = 1; 179 break; 180 case 'l': 181 tail = 1; 182 break; 183 case 'm': 184 maxdata = atoi(optarg); 185 break; 186 case 'n': 187 fancy = 0; 188 break; 189 case 'p': 190 pid = atoi(optarg); 191 break; 192 case 'r': 193 resolv = 1; 194 break; 195 case 's': 196 suppressdata = 1; 197 break; 198 case 'E': 199 timestamp = 3; /* elapsed timestamp */ 200 break; 201 case 'H': 202 threads = 1; 203 break; 204 case 'R': 205 timestamp = 2; /* relative timestamp */ 206 break; 207 case 'T': 208 timestamp = 1; 209 break; 210 case 't': 211 trpoints = getpoints(optarg); 212 if (trpoints < 0) 213 errx(1, "unknown trace point in %s", optarg); 214 break; 215 default: 216 usage(); 217 } 218 219 if (argc > optind) 220 usage(); 221 222 m = malloc(size = 1025); 223 if (m == NULL) 224 errx(1, "%s", strerror(ENOMEM)); 225 if (!freopen(tracefile, "r", stdin)) 226 err(1, "%s", tracefile); 227 TAILQ_INIT(&trace_procs); 228 drop_logged = 0; 229 while (fread_tail(&ktr_header, sizeof(struct ktr_header), 1)) { 230 if (ktr_header.ktr_type & KTR_DROP) { 231 ktr_header.ktr_type &= ~KTR_DROP; 232 if (!drop_logged && threads) { 233 printf( 234 "%6jd %6jd %-8.*s Events dropped.\n", 235 (intmax_t)ktr_header.ktr_pid, 236 ktr_header.ktr_tid > 0 ? 237 (intmax_t)ktr_header.ktr_tid : 0, 238 MAXCOMLEN, ktr_header.ktr_comm); 239 drop_logged = 1; 240 } else if (!drop_logged) { 241 printf("%6jd %-8.*s Events dropped.\n", 242 (intmax_t)ktr_header.ktr_pid, MAXCOMLEN, 243 ktr_header.ktr_comm); 244 drop_logged = 1; 245 } 246 } 247 if (trpoints & (1<<ktr_header.ktr_type)) 248 if (pid == 0 || ktr_header.ktr_pid == pid) 249 dumpheader(&ktr_header); 250 if ((ktrlen = ktr_header.ktr_len) < 0) 251 errx(1, "bogus length 0x%x", ktrlen); 252 if (ktrlen > size) { 253 m = realloc(m, ktrlen+1); 254 if (m == NULL) 255 errx(1, "%s", strerror(ENOMEM)); 256 size = ktrlen; 257 } 258 if (ktrlen && fread_tail(m, ktrlen, 1) == 0) 259 errx(1, "data too short"); 260 if (fetchprocinfo(&ktr_header, (u_int *)m) != 0) 261 continue; 262 sv_flags = abidump(&ktr_header); 263 if (pid && ktr_header.ktr_pid != pid) 264 continue; 265 if ((trpoints & (1<<ktr_header.ktr_type)) == 0) 266 continue; 267 drop_logged = 0; 268 switch (ktr_header.ktr_type) { 269 case KTR_SYSCALL: 270#if defined(__amd64__) || defined(__i386__) 271 if ((sv_flags & SV_ABI_MASK) == SV_ABI_LINUX) 272 linux_ktrsyscall((struct ktr_syscall *)m); 273 else 274#endif 275 ktrsyscall((struct ktr_syscall *)m, sv_flags); 276 break; 277 case KTR_SYSRET: 278#if defined(__amd64__) || defined(__i386__) 279 if ((sv_flags & SV_ABI_MASK) == SV_ABI_LINUX) 280 linux_ktrsysret((struct ktr_sysret *)m); 281 else 282#endif 283 ktrsysret((struct ktr_sysret *)m, sv_flags); 284 break; 285 case KTR_NAMEI: 286 case KTR_SYSCTL: 287 ktrnamei(m, ktrlen); 288 break; 289 case KTR_GENIO: 290 ktrgenio((struct ktr_genio *)m, ktrlen); 291 break; 292 case KTR_PSIG: 293 ktrpsig((struct ktr_psig *)m); 294 break; 295 case KTR_CSW: 296 ktrcsw((struct ktr_csw *)m); 297 break; 298 case KTR_USER: 299 ktruser(ktrlen, m); 300 break; 301 case KTR_STRUCT: 302 ktrstruct(m, ktrlen); 303 break; 304 default: 305 printf("\n"); 306 break; 307 } 308 if (tail) 309 fflush(stdout); 310 } 311 return 0; 312} 313 314int 315fread_tail(void *buf, int size, int num) 316{ 317 int i; 318 319 while ((i = fread(buf, size, num, stdin)) == 0 && tail) { 320 sleep(1); 321 clearerr(stdin); 322 } 323 return (i); 324} 325 326int 327fetchprocinfo(struct ktr_header *kth, u_int *flags) 328{ 329 struct proc_info *pi; 330 331 switch (kth->ktr_type) { 332 case KTR_PROCCTOR: 333 TAILQ_FOREACH(pi, &trace_procs, info) { 334 if (pi->pid == kth->ktr_pid) { 335 TAILQ_REMOVE(&trace_procs, pi, info); 336 break; 337 } 338 } 339 pi = malloc(sizeof(struct proc_info)); 340 if (pi == NULL) 341 errx(1, "%s", strerror(ENOMEM)); 342 pi->sv_flags = *flags; 343 pi->pid = kth->ktr_pid; 344 TAILQ_INSERT_TAIL(&trace_procs, pi, info); 345 return (1); 346 347 case KTR_PROCDTOR: 348 TAILQ_FOREACH(pi, &trace_procs, info) { 349 if (pi->pid == kth->ktr_pid) { 350 TAILQ_REMOVE(&trace_procs, pi, info); 351 free(pi); 352 break; 353 } 354 } 355 return (1); 356 } 357 358 return (0); 359} 360 361u_int 362abidump(struct ktr_header *kth) 363{ 364 struct proc_info *pi; 365 const char *abi; 366 const char *arch; 367 u_int flags = 0; 368 369 TAILQ_FOREACH(pi, &trace_procs, info) { 370 if (pi->pid == kth->ktr_pid) { 371 flags = pi->sv_flags; 372 break; 373 } 374 } 375 376 if (abiflag == 0) 377 return (flags); 378 379 switch (flags & SV_ABI_MASK) { 380 case SV_ABI_LINUX: 381 abi = "L"; 382 break; 383 case SV_ABI_FREEBSD: 384 abi = "F"; 385 break; 386 default: 387 abi = "U"; 388 break; 389 } 390 391 if (flags != 0) { 392 if (flags & SV_LP64) 393 arch = "64"; 394 else 395 arch = "32"; 396 } else 397 arch = "00"; 398 399 printf("%s%s ", abi, arch); 400 401 return (flags); 402} 403 404void 405dumpheader(struct ktr_header *kth) 406{ 407 static char unknown[64]; 408 static struct timeval prevtime, temp; 409 const char *type; 410 411 switch (kth->ktr_type) { 412 case KTR_SYSCALL: 413 type = "CALL"; 414 break; 415 case KTR_SYSRET: 416 type = "RET "; 417 break; 418 case KTR_NAMEI: 419 type = "NAMI"; 420 break; 421 case KTR_GENIO: 422 type = "GIO "; 423 break; 424 case KTR_PSIG: 425 type = "PSIG"; 426 break; 427 case KTR_CSW: 428 type = "CSW "; 429 break; 430 case KTR_USER: 431 type = "USER"; 432 break; 433 case KTR_STRUCT: 434 type = "STRU"; 435 break; 436 case KTR_SYSCTL: 437 type = "SCTL"; 438 break; 439 case KTR_PROCCTOR: 440 /* FALLTHROUGH */ 441 case KTR_PROCDTOR: 442 return; 443 default: 444 sprintf(unknown, "UNKNOWN(%d)", kth->ktr_type); 445 type = unknown; 446 } 447 448 /* 449 * The ktr_tid field was previously the ktr_buffer field, which held 450 * the kernel pointer value for the buffer associated with data 451 * following the record header. It now holds a threadid, but only 452 * for trace files after the change. Older trace files still contain 453 * kernel pointers. Detect this and suppress the results by printing 454 * negative tid's as 0. 455 */ 456 if (threads) 457 printf("%6jd %6jd %-8.*s ", (intmax_t)kth->ktr_pid, 458 kth->ktr_tid > 0 ? (intmax_t)kth->ktr_tid : 0, 459 MAXCOMLEN, kth->ktr_comm); 460 else 461 printf("%6jd %-8.*s ", (intmax_t)kth->ktr_pid, MAXCOMLEN, 462 kth->ktr_comm); 463 if (timestamp) { 464 if (timestamp == 3) { 465 if (prevtime.tv_sec == 0) 466 prevtime = kth->ktr_time; 467 timevalsub(&kth->ktr_time, &prevtime); 468 } 469 if (timestamp == 2) { 470 temp = kth->ktr_time; 471 timevalsub(&kth->ktr_time, &prevtime); 472 prevtime = temp; 473 } 474 printf("%jd.%06ld ", (intmax_t)kth->ktr_time.tv_sec, 475 kth->ktr_time.tv_usec); 476 } 477 printf("%s ", type); 478} 479 480#include <sys/syscall.h> 481#define KTRACE 482#include <sys/kern/syscalls.c> 483#undef KTRACE 484int nsyscalls = sizeof (syscallnames) / sizeof (syscallnames[0]); 485 486void 487ktrsyscall(struct ktr_syscall *ktr, u_int flags) 488{ 489 int narg = ktr->ktr_narg; 490 register_t *ip; 491 492 if ((flags != 0 && ((flags & SV_ABI_MASK) != SV_ABI_FREEBSD)) || 493 (ktr->ktr_code >= nsyscalls || ktr->ktr_code < 0)) 494 printf("[%d]", ktr->ktr_code); 495 else 496 printf("%s", syscallnames[ktr->ktr_code]); 497 ip = &ktr->ktr_args[0]; 498 if (narg) { 499 char c = '('; 500 if (fancy && 501 (flags == 0 || (flags & SV_ABI_MASK) == SV_ABI_FREEBSD)) { 502 switch (ktr->ktr_code) { 503 case SYS_ioctl: { 504 const char *cp; 505 print_number(ip, narg, c); 506 putchar(c); 507 ioctlname(*ip, decimal); 508 c = ','; 509 ip++; 510 narg--; 511 break; 512 } 513 case SYS_ptrace: 514 putchar('('); 515 ptraceopname(*ip); 516 c = ','; 517 ip++; 518 narg--; 519 break; 520 case SYS_access: 521 case SYS_eaccess: 522 print_number(ip, narg, c); 523 putchar(','); 524 accessmodename(*ip); 525 ip++; 526 narg--; 527 break; 528 case SYS_open: 529 print_number(ip, narg, c); 530 putchar(','); 531 flagsandmodename(ip[0], ip[1], decimal); 532 ip += 2; 533 narg -= 2; 534 break; 535 case SYS_wait4: 536 print_number(ip, narg, c); 537 print_number(ip, narg, c); 538 putchar(','); 539 wait4optname(*ip); 540 ip++; 541 narg--; 542 break; 543 case SYS_chmod: 544 case SYS_fchmod: 545 case SYS_lchmod: 546 print_number(ip, narg, c); 547 putchar(','); 548 modename(*ip); 549 ip++; 550 narg--; 551 break; 552 case SYS_mknod: 553 print_number(ip, narg, c); 554 putchar(','); 555 modename(*ip); 556 ip++; 557 narg--; 558 break; 559 case SYS_getfsstat: 560 print_number(ip, narg, c); 561 print_number(ip, narg, c); 562 putchar(','); 563 getfsstatflagsname(*ip); 564 ip++; 565 narg--; 566 break; 567 case SYS_mount: 568 print_number(ip, narg, c); 569 print_number(ip, narg, c); 570 putchar(','); 571 mountflagsname(*ip); 572 ip++; 573 narg--; 574 break; 575 case SYS_unmount: 576 print_number(ip, narg, c); 577 putchar(','); 578 mountflagsname(*ip); 579 ip++; 580 narg--; 581 break; 582 case SYS_recvmsg: 583 case SYS_sendmsg: 584 print_number(ip, narg, c); 585 print_number(ip, narg, c); 586 putchar(','); 587 sendrecvflagsname(*ip); 588 ip++; 589 narg--; 590 break; 591 case SYS_recvfrom: 592 case SYS_sendto: 593 print_number(ip, narg, c); 594 print_number(ip, narg, c); 595 print_number(ip, narg, c); 596 putchar(','); 597 sendrecvflagsname(*ip); 598 ip++; 599 narg--; 600 break; 601 case SYS_chflags: 602 case SYS_fchflags: 603 case SYS_lchflags: 604 print_number(ip, narg, c); 605 putchar(','); 606 modename(*ip); 607 ip++; 608 narg--; 609 break; 610 case SYS_kill: 611 print_number(ip, narg, c); 612 putchar(','); 613 signame(*ip); 614 ip++; 615 narg--; 616 break; 617 case SYS_reboot: 618 putchar('('); 619 rebootoptname(*ip); 620 ip++; 621 narg--; 622 break; 623 case SYS_umask: 624 putchar('('); 625 modename(*ip); 626 ip++; 627 narg--; 628 break; 629 case SYS_msync: 630 print_number(ip, narg, c); 631 print_number(ip, narg, c); 632 putchar(','); 633 msyncflagsname(*ip); 634 ip++; 635 narg--; 636 break; 637#ifdef SYS_freebsd6_mmap 638 case SYS_freebsd6_mmap: 639 print_number(ip, narg, c); 640 print_number(ip, narg, c); 641 putchar(','); 642 mmapprotname(*ip); 643 putchar(','); 644 ip++; 645 narg--; 646 mmapflagsname(*ip); 647 ip++; 648 narg--; 649 break; 650#endif 651 case SYS_mmap: 652 print_number(ip, narg, c); 653 print_number(ip, narg, c); 654 putchar(','); 655 mmapprotname(*ip); 656 putchar(','); 657 ip++; 658 narg--; 659 mmapflagsname(*ip); 660 ip++; 661 narg--; 662 break; 663 case SYS_mprotect: 664 print_number(ip, narg, c); 665 print_number(ip, narg, c); 666 putchar(','); 667 mmapprotname(*ip); 668 ip++; 669 narg--; 670 break; 671 case SYS_madvise: 672 print_number(ip, narg, c); 673 print_number(ip, narg, c); 674 putchar(','); 675 madvisebehavname(*ip); 676 ip++; 677 narg--; 678 break; 679 case SYS_setpriority: 680 print_number(ip, narg, c); 681 print_number(ip, narg, c); 682 putchar(','); 683 prioname(*ip); 684 ip++; 685 narg--; 686 break; 687 case SYS_fcntl: 688 print_number(ip, narg, c); 689 putchar(','); 690 fcntlcmdname(ip[0], ip[1], decimal); 691 ip += 2; 692 narg -= 2; 693 break; 694 case SYS_socket: { 695 int sockdomain; 696 putchar('('); 697 sockdomain = *ip; 698 sockdomainname(sockdomain); 699 ip++; 700 narg--; 701 putchar(','); 702 socktypename(*ip); 703 ip++; 704 narg--; 705 if (sockdomain == PF_INET || 706 sockdomain == PF_INET6) { 707 putchar(','); 708 sockipprotoname(*ip); 709 ip++; 710 narg--; 711 } 712 c = ','; 713 break; 714 } 715 case SYS_setsockopt: 716 case SYS_getsockopt: 717 print_number(ip, narg, c); 718 putchar(','); 719 sockoptlevelname(*ip, decimal); 720 if (*ip == SOL_SOCKET) { 721 ip++; 722 narg--; 723 putchar(','); 724 sockoptname(*ip); 725 } 726 ip++; 727 narg--; 728 break; 729#ifdef SYS_freebsd6_lseek 730 case SYS_freebsd6_lseek: 731 print_number(ip, narg, c); 732 /* Hidden 'pad' argument, not in lseek(2) */ 733 print_number(ip, narg, c); 734 print_number(ip, narg, c); 735 putchar(','); 736 whencename(*ip); 737 ip++; 738 narg--; 739 break; 740#endif 741 case SYS_lseek: 742 print_number(ip, narg, c); 743 /* Hidden 'pad' argument, not in lseek(2) */ 744 print_number(ip, narg, c); 745 putchar(','); 746 whencename(*ip); 747 ip++; 748 narg--; 749 break; 750 case SYS_flock: 751 print_number(ip, narg, c); 752 putchar(','); 753 flockname(*ip); 754 ip++; 755 narg--; 756 break; 757 case SYS_mkfifo: 758 case SYS_mkdir: 759 print_number(ip, narg, c); 760 putchar(','); 761 modename(*ip); 762 ip++; 763 narg--; 764 break; 765 case SYS_shutdown: 766 print_number(ip, narg, c); 767 putchar(','); 768 shutdownhowname(*ip); 769 ip++; 770 narg--; 771 break; 772 case SYS_socketpair: 773 putchar('('); 774 sockdomainname(*ip); 775 ip++; 776 narg--; 777 putchar(','); 778 socktypename(*ip); 779 ip++; 780 narg--; 781 c = ','; 782 break; 783 case SYS_getrlimit: 784 case SYS_setrlimit: 785 putchar('('); 786 rlimitname(*ip); 787 ip++; 788 narg--; 789 c = ','; 790 break; 791 case SYS_quotactl: 792 print_number(ip, narg, c); 793 putchar(','); 794 quotactlname(*ip); 795 ip++; 796 narg--; 797 c = ','; 798 break; 799 case SYS_nfssvc: 800 putchar('('); 801 nfssvcname(*ip); 802 ip++; 803 narg--; 804 c = ','; 805 break; 806 case SYS_rtprio: 807 putchar('('); 808 rtprioname(*ip); 809 ip++; 810 narg--; 811 c = ','; 812 break; 813 case SYS___semctl: 814 print_number(ip, narg, c); 815 print_number(ip, narg, c); 816 putchar(','); 817 semctlname(*ip); 818 ip++; 819 narg--; 820 break; 821 case SYS_semget: 822 print_number(ip, narg, c); 823 print_number(ip, narg, c); 824 putchar(','); 825 semgetname(*ip); 826 ip++; 827 narg--; 828 break; 829 case SYS_msgctl: 830 print_number(ip, narg, c); 831 putchar(','); 832 shmctlname(*ip); 833 ip++; 834 narg--; 835 break; 836 case SYS_shmat: 837 print_number(ip, narg, c); 838 print_number(ip, narg, c); 839 putchar(','); 840 shmatname(*ip); 841 ip++; 842 narg--; 843 break; 844 case SYS_shmctl: 845 print_number(ip, narg, c); 846 putchar(','); 847 shmctlname(*ip); 848 ip++; 849 narg--; 850 break; 851 case SYS_minherit: 852 print_number(ip, narg, c); 853 print_number(ip, narg, c); 854 putchar(','); 855 minheritname(*ip); 856 ip++; 857 narg--; 858 break; 859 case SYS_rfork: 860 putchar('('); 861 rforkname(*ip); 862 ip++; 863 narg--; 864 c = ','; 865 break; 866 case SYS_lio_listio: 867 putchar('('); 868 lio_listioname(*ip); 869 ip++; 870 narg--; 871 c = ','; 872 break; 873 case SYS_mlockall: 874 putchar('('); 875 mlockallname(*ip); 876 ip++; 877 narg--; 878 break; 879 case SYS_sched_setscheduler: 880 print_number(ip, narg, c); 881 putchar(','); 882 schedpolicyname(*ip); 883 ip++; 884 narg--; 885 break; 886 case SYS_sched_get_priority_max: 887 case SYS_sched_get_priority_min: 888 putchar('('); 889 schedpolicyname(*ip); 890 ip++; 891 narg--; 892 break; 893 case SYS_sendfile: 894 print_number(ip, narg, c); 895 print_number(ip, narg, c); 896 print_number(ip, narg, c); 897 print_number(ip, narg, c); 898 print_number(ip, narg, c); 899 print_number(ip, narg, c); 900 putchar(','); 901 sendfileflagsname(*ip); 902 ip++; 903 narg--; 904 break; 905 case SYS_kldsym: 906 print_number(ip, narg, c); 907 putchar(','); 908 kldsymcmdname(*ip); 909 ip++; 910 narg--; 911 break; 912 case SYS_sigprocmask: 913 putchar('('); 914 sigprocmaskhowname(*ip); 915 ip++; 916 narg--; 917 c = ','; 918 break; 919 case SYS___acl_get_file: 920 case SYS___acl_set_file: 921 case SYS___acl_get_fd: 922 case SYS___acl_set_fd: 923 case SYS___acl_delete_file: 924 case SYS___acl_delete_fd: 925 case SYS___acl_aclcheck_file: 926 case SYS___acl_aclcheck_fd: 927 case SYS___acl_get_link: 928 case SYS___acl_set_link: 929 case SYS___acl_delete_link: 930 case SYS___acl_aclcheck_link: 931 print_number(ip, narg, c); 932 putchar(','); 933 acltypename(*ip); 934 ip++; 935 narg--; 936 break; 937 case SYS_sigaction: 938 putchar('('); 939 signame(*ip); 940 ip++; 941 narg--; 942 c = ','; 943 break; 944 case SYS_extattrctl: 945 print_number(ip, narg, c); 946 putchar(','); 947 extattrctlname(*ip); 948 ip++; 949 narg--; 950 break; 951 case SYS_nmount: 952 print_number(ip, narg, c); 953 print_number(ip, narg, c); 954 putchar(','); 955 mountflagsname(*ip); 956 ip++; 957 narg--; 958 break; 959 case SYS_thr_create: 960 print_number(ip, narg, c); 961 print_number(ip, narg, c); 962 putchar(','); 963 thrcreateflagsname(*ip); 964 ip++; 965 narg--; 966 break; 967 case SYS_thr_kill: 968 print_number(ip, narg, c); 969 putchar(','); 970 signame(*ip); 971 ip++; 972 narg--; 973 break; 974 case SYS_kldunloadf: 975 print_number(ip, narg, c); 976 putchar(','); 977 kldunloadfflagsname(*ip); 978 ip++; 979 narg--; 980 break; 981 case SYS_cap_new: 982 print_number(ip, narg, c); 983 putchar(','); 984 capname(*ip); 985 ip++; 986 narg--; 987 break; 988 } 989 } 990 while (narg > 0) { 991 print_number(ip, narg, c); 992 } 993 putchar(')'); 994 } 995 putchar('\n'); 996} 997 998void 999ktrsysret(struct ktr_sysret *ktr, u_int flags) 1000{ 1001 register_t ret = ktr->ktr_retval; 1002 int error = ktr->ktr_error; 1003 int code = ktr->ktr_code; 1004 1005 if ((flags != 0 && ((flags & SV_ABI_MASK) != SV_ABI_FREEBSD)) || 1006 (code >= nsyscalls || code < 0)) 1007 printf("[%d] ", code); 1008 else 1009 printf("%s ", syscallnames[code]); 1010 1011 if (error == 0) { 1012 if (fancy) { 1013 printf("%ld", (long)ret); 1014 if (ret < 0 || ret > 9) 1015 printf("/%#lx", (unsigned long)ret); 1016 } else { 1017 if (decimal) 1018 printf("%ld", (long)ret); 1019 else 1020 printf("%#lx", (unsigned long)ret); 1021 } 1022 } else if (error == ERESTART) 1023 printf("RESTART"); 1024 else if (error == EJUSTRETURN) 1025 printf("JUSTRETURN"); 1026 else { 1027 printf("-1 errno %d", ktr->ktr_error); 1028 if (fancy) 1029 printf(" %s", strerror(ktr->ktr_error)); 1030 } 1031 putchar('\n'); 1032} 1033 1034void 1035ktrnamei(char *cp, int len) 1036{ 1037 printf("\"%.*s\"\n", len, cp); 1038} 1039 1040void 1041hexdump(char *p, int len, int screenwidth) 1042{ 1043 int n, i; 1044 int width; 1045 1046 width = 0; 1047 do { 1048 width += 2; 1049 i = 13; /* base offset */ 1050 i += (width / 2) + 1; /* spaces every second byte */ 1051 i += (width * 2); /* width of bytes */ 1052 i += 3; /* " |" */ 1053 i += width; /* each byte */ 1054 i += 1; /* "|" */ 1055 } while (i < screenwidth); 1056 width -= 2; 1057 1058 for (n = 0; n < len; n += width) { 1059 for (i = n; i < n + width; i++) { 1060 if ((i % width) == 0) { /* beginning of line */ 1061 printf(" 0x%04x", i); 1062 } 1063 if ((i % 2) == 0) { 1064 printf(" "); 1065 } 1066 if (i < len) 1067 printf("%02x", p[i] & 0xff); 1068 else 1069 printf(" "); 1070 } 1071 printf(" |"); 1072 for (i = n; i < n + width; i++) { 1073 if (i >= len) 1074 break; 1075 if (p[i] >= ' ' && p[i] <= '~') 1076 printf("%c", p[i]); 1077 else 1078 printf("."); 1079 } 1080 printf("|\n"); 1081 } 1082 if ((i % width) != 0) 1083 printf("\n"); 1084} 1085 1086void 1087visdump(char *dp, int datalen, int screenwidth) 1088{ 1089 int col = 0; 1090 char *cp; 1091 int width; 1092 char visbuf[5]; 1093 1094 printf(" \""); 1095 col = 8; 1096 for (;datalen > 0; datalen--, dp++) { 1097 vis(visbuf, *dp, VIS_CSTYLE, *(dp+1)); 1098 cp = visbuf; 1099 /* 1100 * Keep track of printables and 1101 * space chars (like fold(1)). 1102 */ 1103 if (col == 0) { 1104 putchar('\t'); 1105 col = 8; 1106 } 1107 switch(*cp) { 1108 case '\n': 1109 col = 0; 1110 putchar('\n'); 1111 continue; 1112 case '\t': 1113 width = 8 - (col&07); 1114 break; 1115 default: 1116 width = strlen(cp); 1117 } 1118 if (col + width > (screenwidth-2)) { 1119 printf("\\\n\t"); 1120 col = 8; 1121 } 1122 col += width; 1123 do { 1124 putchar(*cp++); 1125 } while (*cp); 1126 } 1127 if (col == 0) 1128 printf(" "); 1129 printf("\"\n"); 1130} 1131 1132void 1133ktrgenio(struct ktr_genio *ktr, int len) 1134{ 1135 int datalen = len - sizeof (struct ktr_genio); 1136 char *dp = (char *)ktr + sizeof (struct ktr_genio); 1137 static int screenwidth = 0; 1138 int i, binary; 1139 1140 if (screenwidth == 0) { 1141 struct winsize ws; 1142 1143 if (fancy && ioctl(fileno(stderr), TIOCGWINSZ, &ws) != -1 && 1144 ws.ws_col > 8) 1145 screenwidth = ws.ws_col; 1146 else 1147 screenwidth = 80; 1148 } 1149 printf("fd %d %s %d byte%s\n", ktr->ktr_fd, 1150 ktr->ktr_rw == UIO_READ ? "read" : "wrote", datalen, 1151 datalen == 1 ? "" : "s"); 1152 if (suppressdata) 1153 return; 1154 if (maxdata && datalen > maxdata) 1155 datalen = maxdata; 1156 1157 for (i = 0, binary = 0; i < datalen && binary == 0; i++) { 1158 if (dp[i] >= 32 && dp[i] < 127) 1159 continue; 1160 if (dp[i] == 10 || dp[i] == 13 || dp[i] == 0 || dp[i] == 9) 1161 continue; 1162 binary = 1; 1163 } 1164 if (binary) 1165 hexdump(dp, datalen, screenwidth); 1166 else 1167 visdump(dp, datalen, screenwidth); 1168} 1169 1170const char *signames[] = { 1171 "NULL", "HUP", "INT", "QUIT", "ILL", "TRAP", "IOT", /* 1 - 6 */ 1172 "EMT", "FPE", "KILL", "BUS", "SEGV", "SYS", /* 7 - 12 */ 1173 "PIPE", "ALRM", "TERM", "URG", "STOP", "TSTP", /* 13 - 18 */ 1174 "CONT", "CHLD", "TTIN", "TTOU", "IO", "XCPU", /* 19 - 24 */ 1175 "XFSZ", "VTALRM", "PROF", "WINCH", "29", "USR1", /* 25 - 30 */ 1176 "USR2", NULL, /* 31 - 32 */ 1177}; 1178 1179void 1180ktrpsig(struct ktr_psig *psig) 1181{ 1182 if (psig->signo > 0 && psig->signo < NSIG) 1183 printf("SIG%s ", signames[psig->signo]); 1184 else 1185 printf("SIG %d ", psig->signo); 1186 if (psig->action == SIG_DFL) 1187 printf("SIG_DFL code=0x%x\n", psig->code); 1188 else { 1189 printf("caught handler=0x%lx mask=0x%x code=0x%x\n", 1190 (u_long)psig->action, psig->mask.__bits[0], psig->code); 1191 } 1192} 1193 1194void 1195ktrcsw(struct ktr_csw *cs) 1196{ 1197 printf("%s %s\n", cs->out ? "stop" : "resume", 1198 cs->user ? "user" : "kernel"); 1199} 1200 1201#define UTRACE_DLOPEN_START 1 1202#define UTRACE_DLOPEN_STOP 2 1203#define UTRACE_DLCLOSE_START 3 1204#define UTRACE_DLCLOSE_STOP 4 1205#define UTRACE_LOAD_OBJECT 5 1206#define UTRACE_UNLOAD_OBJECT 6 1207#define UTRACE_ADD_RUNDEP 7 1208#define UTRACE_PRELOAD_FINISHED 8 1209#define UTRACE_INIT_CALL 9 1210#define UTRACE_FINI_CALL 10 1211 1212struct utrace_rtld { 1213 char sig[4]; /* 'RTLD' */ 1214 int event; 1215 void *handle; 1216 void *mapbase; 1217 size_t mapsize; 1218 int refcnt; 1219 char name[MAXPATHLEN]; 1220}; 1221 1222void 1223ktruser_rtld(int len, unsigned char *p) 1224{ 1225 struct utrace_rtld *ut = (struct utrace_rtld *)p; 1226 void *parent; 1227 int mode; 1228 1229 switch (ut->event) { 1230 case UTRACE_DLOPEN_START: 1231 mode = ut->refcnt; 1232 printf("dlopen(%s, ", ut->name); 1233 switch (mode & RTLD_MODEMASK) { 1234 case RTLD_NOW: 1235 printf("RTLD_NOW"); 1236 break; 1237 case RTLD_LAZY: 1238 printf("RTLD_LAZY"); 1239 break; 1240 default: 1241 printf("%#x", mode & RTLD_MODEMASK); 1242 } 1243 if (mode & RTLD_GLOBAL) 1244 printf(" | RTLD_GLOBAL"); 1245 if (mode & RTLD_TRACE) 1246 printf(" | RTLD_TRACE"); 1247 if (mode & ~(RTLD_MODEMASK | RTLD_GLOBAL | RTLD_TRACE)) 1248 printf(" | %#x", mode & 1249 ~(RTLD_MODEMASK | RTLD_GLOBAL | RTLD_TRACE)); 1250 printf(")\n"); 1251 break; 1252 case UTRACE_DLOPEN_STOP: 1253 printf("%p = dlopen(%s) ref %d\n", ut->handle, ut->name, 1254 ut->refcnt); 1255 break; 1256 case UTRACE_DLCLOSE_START: 1257 printf("dlclose(%p) (%s, %d)\n", ut->handle, ut->name, 1258 ut->refcnt); 1259 break; 1260 case UTRACE_DLCLOSE_STOP: 1261 printf("dlclose(%p) finished\n", ut->handle); 1262 break; 1263 case UTRACE_LOAD_OBJECT: 1264 printf("RTLD: loaded %p @ %p - %p (%s)\n", ut->handle, 1265 ut->mapbase, (char *)ut->mapbase + ut->mapsize - 1, 1266 ut->name); 1267 break; 1268 case UTRACE_UNLOAD_OBJECT: 1269 printf("RTLD: unloaded %p @ %p - %p (%s)\n", ut->handle, 1270 ut->mapbase, (char *)ut->mapbase + ut->mapsize - 1, 1271 ut->name); 1272 break; 1273 case UTRACE_ADD_RUNDEP: 1274 parent = ut->mapbase; 1275 printf("RTLD: %p now depends on %p (%s, %d)\n", parent, 1276 ut->handle, ut->name, ut->refcnt); 1277 break; 1278 case UTRACE_PRELOAD_FINISHED: 1279 printf("RTLD: LD_PRELOAD finished\n"); 1280 break; 1281 case UTRACE_INIT_CALL: 1282 printf("RTLD: init %p for %p (%s)\n", ut->mapbase, ut->handle, 1283 ut->name); 1284 break; 1285 case UTRACE_FINI_CALL: 1286 printf("RTLD: fini %p for %p (%s)\n", ut->mapbase, ut->handle, 1287 ut->name); 1288 break; 1289 default: 1290 p += 4; 1291 len -= 4; 1292 printf("RTLD: %d ", len); 1293 while (len--) 1294 if (decimal) 1295 printf(" %d", *p++); 1296 else 1297 printf(" %02x", *p++); 1298 printf("\n"); 1299 } 1300} 1301 1302struct utrace_malloc { 1303 void *p; 1304 size_t s; 1305 void *r; 1306}; 1307 1308void 1309ktruser_malloc(int len, unsigned char *p) 1310{ 1311 struct utrace_malloc *ut = (struct utrace_malloc *)p; 1312 1313 if (ut->p == (void *)(intptr_t)(-1)) 1314 printf("malloc_init()\n"); 1315 else if (ut->s == 0) 1316 printf("free(%p)\n", ut->p); 1317 else if (ut->p == NULL) 1318 printf("%p = malloc(%zu)\n", ut->r, ut->s); 1319 else 1320 printf("%p = realloc(%p, %zu)\n", ut->r, ut->p, ut->s); 1321} 1322 1323void 1324ktruser(int len, unsigned char *p) 1325{ 1326 1327 if (len >= 8 && bcmp(p, "RTLD", 4) == 0) { 1328 ktruser_rtld(len, p); 1329 return; 1330 } 1331 1332 if (len == sizeof(struct utrace_malloc)) { 1333 ktruser_malloc(len, p); 1334 return; 1335 } 1336 1337 printf("%d ", len); 1338 while (len--) 1339 if (decimal) 1340 printf(" %d", *p++); 1341 else 1342 printf(" %02x", *p++); 1343 printf("\n"); 1344} 1345 1346void 1347ktrsockaddr(struct sockaddr *sa) 1348{ 1349/* 1350 TODO: Support additional address families 1351 #include <netnatm/natm.h> 1352 struct sockaddr_natm *natm; 1353 #include <netsmb/netbios.h> 1354 struct sockaddr_nb *nb; 1355*/ 1356 char addr[64]; 1357 1358 /* 1359 * note: ktrstruct() has already verified that sa points to a 1360 * buffer at least sizeof(struct sockaddr) bytes long and exactly 1361 * sa->sa_len bytes long. 1362 */ 1363 printf("struct sockaddr { "); 1364 sockfamilyname(sa->sa_family); 1365 printf(", "); 1366 1367#define check_sockaddr_len(n) \ 1368 if (sa_##n->s##n##_len < sizeof(struct sockaddr_##n)) { \ 1369 printf("invalid"); \ 1370 break; \ 1371 } 1372 1373 switch(sa->sa_family) { 1374 case AF_INET: { 1375 struct sockaddr_in *sa_in; 1376 1377 sa_in = (struct sockaddr_in *)sa; 1378 check_sockaddr_len(in); 1379 inet_ntop(AF_INET, &sa_in->sin_addr, addr, sizeof addr); 1380 printf("%s:%u", addr, ntohs(sa_in->sin_port)); 1381 break; 1382 } 1383#ifdef NETATALK 1384 case AF_APPLETALK: { 1385 struct sockaddr_at *sa_at; 1386 struct netrange *nr; 1387 1388 sa_at = (struct sockaddr_at *)sa; 1389 check_sockaddr_len(at); 1390 nr = &sa_at->sat_range.r_netrange; 1391 printf("%d.%d, %d-%d, %d", ntohs(sa_at->sat_addr.s_net), 1392 sa_at->sat_addr.s_node, ntohs(nr->nr_firstnet), 1393 ntohs(nr->nr_lastnet), nr->nr_phase); 1394 break; 1395 } 1396#endif 1397 case AF_INET6: { 1398 struct sockaddr_in6 *sa_in6; 1399 1400 sa_in6 = (struct sockaddr_in6 *)sa; 1401 check_sockaddr_len(in6); 1402 inet_ntop(AF_INET6, &sa_in6->sin6_addr, addr, sizeof addr); 1403 printf("[%s]:%u", addr, htons(sa_in6->sin6_port)); 1404 break; 1405 } 1406#ifdef IPX 1407 case AF_IPX: { 1408 struct sockaddr_ipx *sa_ipx; 1409 1410 sa_ipx = (struct sockaddr_ipx *)sa; 1411 check_sockaddr_len(ipx); 1412 /* XXX wish we had ipx_ntop */ 1413 printf("%s", ipx_ntoa(sa_ipx->sipx_addr)); 1414 break; 1415 } 1416#endif 1417 case AF_UNIX: { 1418 struct sockaddr_un *sa_un; 1419 1420 sa_un = (struct sockaddr_un *)sa; 1421 check_sockaddr_len(un); 1422 printf("%.*s", (int)sizeof(sa_un->sun_path), sa_un->sun_path); 1423 break; 1424 } 1425 default: 1426 printf("unknown address family"); 1427 } 1428 printf(" }\n"); 1429} 1430 1431void 1432ktrstat(struct stat *statp) 1433{ 1434 char mode[12], timestr[PATH_MAX + 4]; 1435 struct passwd *pwd; 1436 struct group *grp; 1437 struct tm *tm; 1438 1439 /* 1440 * note: ktrstruct() has already verified that statp points to a 1441 * buffer exactly sizeof(struct stat) bytes long. 1442 */ 1443 printf("struct stat {"); 1444 strmode(statp->st_mode, mode); 1445 printf("dev=%ju, ino=%ju, mode=%s, nlink=%ju, ", 1446 (uintmax_t)statp->st_dev, (uintmax_t)statp->st_ino, mode, 1447 (uintmax_t)statp->st_nlink); 1448 if (resolv == 0 || (pwd = getpwuid(statp->st_uid)) == NULL) 1449 printf("uid=%ju, ", (uintmax_t)statp->st_uid); 1450 else 1451 printf("uid=\"%s\", ", pwd->pw_name); 1452 if (resolv == 0 || (grp = getgrgid(statp->st_gid)) == NULL) 1453 printf("gid=%ju, ", (uintmax_t)statp->st_gid); 1454 else 1455 printf("gid=\"%s\", ", grp->gr_name); 1456 printf("rdev=%ju, ", (uintmax_t)statp->st_rdev); 1457 printf("atime="); 1458 if (resolv == 0) 1459 printf("%jd", (intmax_t)statp->st_atim.tv_sec); 1460 else { 1461 tm = localtime(&statp->st_atim.tv_sec); 1462 strftime(timestr, sizeof(timestr), TIME_FORMAT, tm); 1463 printf("\"%s\"", timestr); 1464 } 1465 if (statp->st_atim.tv_nsec != 0) 1466 printf(".%09ld, ", statp->st_atim.tv_nsec); 1467 else 1468 printf(", "); 1469 printf("stime="); 1470 if (resolv == 0) 1471 printf("%jd", (intmax_t)statp->st_mtim.tv_sec); 1472 else { 1473 tm = localtime(&statp->st_mtim.tv_sec); 1474 strftime(timestr, sizeof(timestr), TIME_FORMAT, tm); 1475 printf("\"%s\"", timestr); 1476 } 1477 if (statp->st_mtim.tv_nsec != 0) 1478 printf(".%09ld, ", statp->st_mtim.tv_nsec); 1479 else 1480 printf(", "); 1481 printf("ctime="); 1482 if (resolv == 0) 1483 printf("%jd", (intmax_t)statp->st_ctim.tv_sec); 1484 else { 1485 tm = localtime(&statp->st_ctim.tv_sec); 1486 strftime(timestr, sizeof(timestr), TIME_FORMAT, tm); 1487 printf("\"%s\"", timestr); 1488 } 1489 if (statp->st_ctim.tv_nsec != 0) 1490 printf(".%09ld, ", statp->st_ctim.tv_nsec); 1491 else 1492 printf(", "); 1493 printf("birthtime="); 1494 if (resolv == 0) 1495 printf("%jd", (intmax_t)statp->st_birthtim.tv_sec); 1496 else { 1497 tm = localtime(&statp->st_birthtim.tv_sec); 1498 strftime(timestr, sizeof(timestr), TIME_FORMAT, tm); 1499 printf("\"%s\"", timestr); 1500 } 1501 if (statp->st_birthtim.tv_nsec != 0) 1502 printf(".%09ld, ", statp->st_birthtim.tv_nsec); 1503 else 1504 printf(", "); 1505 printf("size=%jd, blksize=%ju, blocks=%jd, flags=0x%x", 1506 (uintmax_t)statp->st_size, (uintmax_t)statp->st_blksize, 1507 (intmax_t)statp->st_blocks, statp->st_flags); 1508 printf(" }\n"); 1509} 1510 1511void 1512ktrstruct(char *buf, size_t buflen) 1513{ 1514 char *name, *data; 1515 size_t namelen, datalen; 1516 int i; 1517 struct stat sb; 1518 struct sockaddr_storage ss; 1519 1520 for (name = buf, namelen = 0; 1521 namelen < buflen && name[namelen] != '\0'; 1522 ++namelen) 1523 /* nothing */; 1524 if (namelen == buflen) 1525 goto invalid; 1526 if (name[namelen] != '\0') 1527 goto invalid; 1528 data = buf + namelen + 1; 1529 datalen = buflen - namelen - 1; 1530 if (datalen == 0) 1531 goto invalid; 1532 /* sanity check */ 1533 for (i = 0; i < namelen; ++i) 1534 if (!isalpha((unsigned char)name[i])) 1535 goto invalid; 1536 if (strcmp(name, "stat") == 0) { 1537 if (datalen != sizeof(struct stat)) 1538 goto invalid; 1539 memcpy(&sb, data, datalen); 1540 ktrstat(&sb); 1541 } else if (strcmp(name, "sockaddr") == 0) { 1542 if (datalen > sizeof(ss)) 1543 goto invalid; 1544 memcpy(&ss, data, datalen); 1545 if (datalen < sizeof(struct sockaddr) || 1546 datalen != ss.ss_len) 1547 goto invalid; 1548 ktrsockaddr((struct sockaddr *)&ss); 1549 } else { 1550 printf("unknown structure\n"); 1551 } 1552 return; 1553invalid: 1554 printf("invalid record\n"); 1555} 1556 1557#if defined(__amd64__) || defined(__i386__) 1558void 1559linux_ktrsyscall(struct ktr_syscall *ktr) 1560{ 1561 int narg = ktr->ktr_narg; 1562 register_t *ip; 1563 1564 if (ktr->ktr_code >= nlinux_syscalls || ktr->ktr_code < 0) 1565 printf("[%d]", ktr->ktr_code); 1566 else 1567 printf("%s", linux_syscallnames[ktr->ktr_code]); 1568 ip = &ktr->ktr_args[0]; 1569 if (narg) { 1570 char c = '('; 1571 while (narg > 0) 1572 print_number(ip, narg, c); 1573 putchar(')'); 1574 } 1575 putchar('\n'); 1576} 1577 1578void 1579linux_ktrsysret(struct ktr_sysret *ktr) 1580{ 1581 register_t ret = ktr->ktr_retval; 1582 int error = ktr->ktr_error; 1583 int code = ktr->ktr_code; 1584 1585 if (code >= nlinux_syscalls || code < 0) 1586 printf("[%d] ", code); 1587 else 1588 printf("%s ", linux_syscallnames[code]); 1589 1590 if (error == 0) { 1591 if (fancy) { 1592 printf("%ld", (long)ret); 1593 if (ret < 0 || ret > 9) 1594 printf("/%#lx", (unsigned long)ret); 1595 } else { 1596 if (decimal) 1597 printf("%ld", (long)ret); 1598 else 1599 printf("%#lx", (unsigned long)ret); 1600 } 1601 } else if (error == ERESTART) 1602 printf("RESTART"); 1603 else if (error == EJUSTRETURN) 1604 printf("JUSTRETURN"); 1605 else { 1606 if (ktr->ktr_error <= ELAST + 1) 1607 error = abs(bsd_to_linux_errno[ktr->ktr_error]); 1608 else 1609 error = 999; 1610 printf("-1 errno %d", error); 1611 if (fancy) 1612 printf(" %s", strerror(ktr->ktr_error)); 1613 } 1614 putchar('\n'); 1615} 1616#endif 1617 1618void 1619usage(void) 1620{ 1621 fprintf(stderr, "usage: kdump [-dEnlHRrsTA] [-f trfile] " 1622 "[-m maxdata] [-p pid] [-t trstr]\n"); 1623 exit(1); 1624} 1625