2 * Copyright (c) 1988, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
31 static const char copyright[] =
32 "@(#) Copyright (c) 1988, 1993\n\
33 The Regents of the University of California. All rights reserved.\n";
38 static char sccsid[] = "@(#)kdump.c 8.1 (Berkeley) 6/6/93";
41 #include <sys/cdefs.h>
42 __FBSDID("$FreeBSD$");
46 #include <sys/errno.h>
48 #include <sys/param.h>
49 #include <sys/errno.h>
54 #include <sys/ktrace.h>
55 #include <sys/ioctl.h>
56 #include <sys/socket.h>
58 #include <sys/sysent.h>
60 #include <sys/queue.h>
62 #include <sys/types.h>
63 #include <netipx/ipx.h>
66 #include <netatalk/at.h>
68 #include <arpa/inet.h>
69 #include <netinet/in.h>
84 #include "kdump_subr.h"
86 u_int abidump(struct ktr_header *);
87 int fetchprocinfo(struct ktr_header *, u_int *);
88 int fread_tail(void *, int, int);
89 void dumpheader(struct ktr_header *);
90 void ktrsyscall(struct ktr_syscall *, u_int);
91 void ktrsysret(struct ktr_sysret *, u_int);
92 void ktrnamei(char *, int);
93 void hexdump(char *, int, int);
94 void visdump(char *, int, int);
95 void ktrgenio(struct ktr_genio *, int);
96 void ktrpsig(struct ktr_psig *);
97 void ktrcsw(struct ktr_csw *);
98 void ktruser(int, unsigned char *);
99 void ktrsockaddr(struct sockaddr *);
100 void ktrstat(struct stat *);
101 void ktrstruct(char *, size_t);
103 void sockfamilyname(int);
104 const char *ioctlname(u_long);
106 int timestamp, decimal, fancy = 1, suppressdata, tail, threads, maxdata,
107 resolv = 0, abiflag = 0;
108 const char *tracefile = DEF_TRACEFILE;
109 struct ktr_header ktr_header;
111 #define TIME_FORMAT "%b %e %T %Y"
112 #define eqs(s1, s2) (strcmp((s1), (s2)) == 0)
114 #define print_number(i,n,c) do { \
116 printf("%c%ld", c, (long)*i); \
118 printf("%c%#lx", c, (long)*i); \
124 #if defined(__amd64__) || defined(__i386__)
126 void linux_ktrsyscall(struct ktr_syscall *);
127 void linux_ktrsysret(struct ktr_sysret *);
128 extern char *linux_syscallnames[];
129 extern int nlinux_syscalls;
133 * Linux syscalls return negative errno's, we do positive and map them
135 static int bsd_to_linux_errno[ELAST + 1] = {
136 -0, -1, -2, -3, -4, -5, -6, -7, -8, -9,
137 -10, -35, -12, -13, -14, -15, -16, -17, -18, -19,
138 -20, -21, -22, -23, -24, -25, -26, -27, -28, -29,
139 -30, -31, -32, -33, -34, -11,-115,-114, -88, -89,
140 -90, -91, -92, -93, -94, -95, -96, -97, -98, -99,
141 -100,-101,-102,-103,-104,-105,-106,-107,-108,-109,
142 -110,-111, -40, -36,-112,-113, -39, -11, -87,-122,
143 -116, -66, -6, -6, -6, -6, -6, -37, -38, -9,
144 -6, -6, -43, -42, -75,-125, -84, -95, -16, -74,
151 TAILQ_ENTRY(proc_info) info;
156 TAILQ_HEAD(trace_procs, proc_info) trace_procs;
159 main(int argc, char *argv[])
161 int ch, ktrlen, size;
163 int trpoints = ALL_POINTS;
168 (void) setlocale(LC_CTYPE, "");
170 while ((ch = getopt(argc,argv,"f:dElm:np:AHRrsTt:")) != -1)
185 maxdata = atoi(optarg);
200 timestamp = 3; /* elapsed timestamp */
206 timestamp = 2; /* relative timestamp */
212 trpoints = getpoints(optarg);
214 errx(1, "unknown trace point in %s", optarg);
223 m = (void *)malloc(size = 1025);
225 errx(1, "%s", strerror(ENOMEM));
226 if (!freopen(tracefile, "r", stdin))
227 err(1, "%s", tracefile);
228 TAILQ_INIT(&trace_procs);
230 while (fread_tail(&ktr_header, sizeof(struct ktr_header), 1)) {
231 if (ktr_header.ktr_type & KTR_DROP) {
232 ktr_header.ktr_type &= ~KTR_DROP;
233 if (!drop_logged && threads) {
235 "%6jd %6jd %-8.*s Events dropped.\n",
236 (intmax_t)ktr_header.ktr_pid,
237 ktr_header.ktr_tid > 0 ?
238 (intmax_t)ktr_header.ktr_tid : 0,
239 MAXCOMLEN, ktr_header.ktr_comm);
241 } else if (!drop_logged) {
242 (void)printf("%6jd %-8.*s Events dropped.\n",
243 (intmax_t)ktr_header.ktr_pid, MAXCOMLEN,
244 ktr_header.ktr_comm);
248 if (trpoints & (1<<ktr_header.ktr_type))
249 if (pid == 0 || ktr_header.ktr_pid == pid)
250 dumpheader(&ktr_header);
251 if ((ktrlen = ktr_header.ktr_len) < 0)
252 errx(1, "bogus length 0x%x", ktrlen);
254 m = (void *)realloc(m, ktrlen+1);
256 errx(1, "%s", strerror(ENOMEM));
259 if (ktrlen && fread_tail(m, ktrlen, 1) == 0)
260 errx(1, "data too short");
261 if (fetchprocinfo(&ktr_header, (u_int *)m) != 0)
263 sv_flags = abidump(&ktr_header);
264 if (pid && ktr_header.ktr_pid != pid)
266 if ((trpoints & (1<<ktr_header.ktr_type)) == 0)
269 switch (ktr_header.ktr_type) {
271 #if defined(__amd64__) || defined(__i386__)
272 if ((sv_flags & SV_ABI_MASK) == SV_ABI_LINUX)
273 linux_ktrsyscall((struct ktr_syscall *)m);
276 ktrsyscall((struct ktr_syscall *)m, sv_flags);
279 #if defined(__amd64__) || defined(__i386__)
280 if ((sv_flags & SV_ABI_MASK) == SV_ABI_LINUX)
281 linux_ktrsysret((struct ktr_sysret *)m);
284 ktrsysret((struct ktr_sysret *)m, sv_flags);
291 ktrgenio((struct ktr_genio *)m, ktrlen);
294 ktrpsig((struct ktr_psig *)m);
297 ktrcsw((struct ktr_csw *)m);
303 ktrstruct(m, ktrlen);
310 (void)fflush(stdout);
316 fread_tail(void *buf, int size, int num)
320 while ((i = fread(buf, size, num, stdin)) == 0 && tail) {
328 fetchprocinfo(struct ktr_header *kth, u_int *flags)
330 struct proc_info *pi;
332 switch (kth->ktr_type) {
334 TAILQ_FOREACH(pi, &trace_procs, info) {
335 if (pi->pid == kth->ktr_pid) {
336 TAILQ_REMOVE(&trace_procs, pi, info);
340 pi = malloc(sizeof(struct proc_info));
342 errx(1, "%s", strerror(ENOMEM));
343 pi->sv_flags = *flags;
344 pi->pid = kth->ktr_pid;
345 TAILQ_INSERT_TAIL(&trace_procs, pi, info);
349 TAILQ_FOREACH(pi, &trace_procs, info) {
350 if (pi->pid == kth->ktr_pid) {
351 TAILQ_REMOVE(&trace_procs, pi, info);
363 abidump(struct ktr_header *kth)
365 struct proc_info *pi;
370 TAILQ_FOREACH(pi, &trace_procs, info) {
371 if (pi->pid == kth->ktr_pid) {
372 flags = pi->sv_flags;
380 switch (flags & SV_ABI_MASK) {
400 printf("%s%s ", abi, arch);
406 dumpheader(struct ktr_header *kth)
408 static char unknown[64];
409 static struct timeval prevtime, temp;
412 switch (kth->ktr_type) {
445 (void)sprintf(unknown, "UNKNOWN(%d)", kth->ktr_type);
450 * The ktr_tid field was previously the ktr_buffer field, which held
451 * the kernel pointer value for the buffer associated with data
452 * following the record header. It now holds a threadid, but only
453 * for trace files after the change. Older trace files still contain
454 * kernel pointers. Detect this and suppress the results by printing
455 * negative tid's as 0.
458 (void)printf("%6jd %6jd %-8.*s ", (intmax_t)kth->ktr_pid,
459 kth->ktr_tid > 0 ? (intmax_t)kth->ktr_tid : 0,
460 MAXCOMLEN, kth->ktr_comm);
462 (void)printf("%6jd %-8.*s ", (intmax_t)kth->ktr_pid, MAXCOMLEN,
465 if (timestamp == 3) {
466 if (prevtime.tv_sec == 0)
467 prevtime = kth->ktr_time;
468 timevalsub(&kth->ktr_time, &prevtime);
470 if (timestamp == 2) {
471 temp = kth->ktr_time;
472 timevalsub(&kth->ktr_time, &prevtime);
475 (void)printf("%jd.%06ld ", (intmax_t)kth->ktr_time.tv_sec,
476 kth->ktr_time.tv_usec);
478 (void)printf("%s ", type);
481 #include <sys/syscall.h>
483 #include <sys/kern/syscalls.c>
485 int nsyscalls = sizeof (syscallnames) / sizeof (syscallnames[0]);
488 ktrsyscall(struct ktr_syscall *ktr, u_int flags)
490 int narg = ktr->ktr_narg;
493 if ((flags != 0 && ((flags & SV_ABI_MASK) != SV_ABI_FREEBSD)) ||
494 (ktr->ktr_code >= nsyscalls || ktr->ktr_code < 0))
495 (void)printf("[%d]", ktr->ktr_code);
497 (void)printf("%s", syscallnames[ktr->ktr_code]);
498 ip = &ktr->ktr_args[0];
502 (flags == 0 || (flags & SV_ABI_MASK) == SV_ABI_FREEBSD)) {
503 if (ktr->ktr_code == SYS_ioctl) {
505 print_number(ip,narg,c);
506 if ((cp = ioctlname(*ip)) != NULL)
507 (void)printf(",%s", cp);
510 (void)printf(",%ld", (long)*ip);
512 (void)printf(",%#lx ", (long)*ip);
517 } else if (ktr->ktr_code == SYS_ptrace) {
519 ptraceopname ((int)*ip);
523 } else if (ktr->ktr_code == SYS_access ||
524 ktr->ktr_code == SYS_eaccess) {
525 print_number(ip,narg,c);
527 accessmodename ((int)*ip);
530 } else if (ktr->ktr_code == SYS_open) {
533 print_number(ip,narg,c);
537 flagsandmodename (flags, mode, decimal);
540 } else if (ktr->ktr_code == SYS_wait4) {
541 print_number(ip,narg,c);
542 print_number(ip,narg,c);
544 wait4optname ((int)*ip);
547 } else if (ktr->ktr_code == SYS_chmod ||
548 ktr->ktr_code == SYS_fchmod ||
549 ktr->ktr_code == SYS_lchmod) {
550 print_number(ip,narg,c);
555 } else if (ktr->ktr_code == SYS_mknod) {
556 print_number(ip,narg,c);
561 } else if (ktr->ktr_code == SYS_getfsstat) {
562 print_number(ip,narg,c);
563 print_number(ip,narg,c);
565 getfsstatflagsname ((int)*ip);
568 } else if (ktr->ktr_code == SYS_mount) {
569 print_number(ip,narg,c);
570 print_number(ip,narg,c);
572 mountflagsname ((int)*ip);
575 } else if (ktr->ktr_code == SYS_unmount) {
576 print_number(ip,narg,c);
578 mountflagsname ((int)*ip);
581 } else if (ktr->ktr_code == SYS_recvmsg ||
582 ktr->ktr_code == SYS_sendmsg) {
583 print_number(ip,narg,c);
584 print_number(ip,narg,c);
586 sendrecvflagsname ((int)*ip);
589 } else if (ktr->ktr_code == SYS_recvfrom ||
590 ktr->ktr_code == SYS_sendto) {
591 print_number(ip,narg,c);
592 print_number(ip,narg,c);
593 print_number(ip,narg,c);
595 sendrecvflagsname ((int)*ip);
598 } else if (ktr->ktr_code == SYS_chflags ||
599 ktr->ktr_code == SYS_fchflags ||
600 ktr->ktr_code == SYS_lchflags) {
601 print_number(ip,narg,c);
606 } else if (ktr->ktr_code == SYS_kill) {
607 print_number(ip,narg,c);
612 } else if (ktr->ktr_code == SYS_reboot) {
614 rebootoptname((int)*ip);
617 } else if (ktr->ktr_code == SYS_umask) {
622 } else if (ktr->ktr_code == SYS_msync) {
623 print_number(ip,narg,c);
624 print_number(ip,narg,c);
626 msyncflagsname((int)*ip);
629 #ifdef SYS_freebsd6_mmap
630 } else if (ktr->ktr_code == SYS_freebsd6_mmap) {
631 print_number(ip,narg,c);
632 print_number(ip,narg,c);
634 mmapprotname ((int)*ip);
638 mmapflagsname ((int)*ip);
642 } else if (ktr->ktr_code == SYS_mmap) {
643 print_number(ip,narg,c);
644 print_number(ip,narg,c);
646 mmapprotname ((int)*ip);
650 mmapflagsname ((int)*ip);
653 } else if (ktr->ktr_code == SYS_mprotect) {
654 print_number(ip,narg,c);
655 print_number(ip,narg,c);
657 mmapprotname ((int)*ip);
660 } else if (ktr->ktr_code == SYS_madvise) {
661 print_number(ip,narg,c);
662 print_number(ip,narg,c);
664 madvisebehavname((int)*ip);
667 } else if (ktr->ktr_code == SYS_setpriority) {
668 print_number(ip,narg,c);
669 print_number(ip,narg,c);
674 } else if (ktr->ktr_code == SYS_fcntl) {
677 print_number(ip,narg,c);
681 fcntlcmdname(cmd, arg, decimal);
684 } else if (ktr->ktr_code == SYS_socket) {
688 sockdomainname(sockdomain);
692 socktypename((int)*ip);
695 if (sockdomain == PF_INET ||
696 sockdomain == PF_INET6) {
698 sockipprotoname((int)*ip);
703 } else if (ktr->ktr_code == SYS_setsockopt ||
704 ktr->ktr_code == SYS_getsockopt) {
705 print_number(ip,narg,c);
707 sockoptlevelname((int)*ip, decimal);
708 if ((int)*ip == SOL_SOCKET) {
712 sockoptname((int)*ip);
716 #ifdef SYS_freebsd6_lseek
717 } else if (ktr->ktr_code == SYS_freebsd6_lseek) {
718 print_number(ip,narg,c);
719 /* Hidden 'pad' argument, not in lseek(2) */
720 print_number(ip,narg,c);
721 print_number(ip,narg,c);
723 whencename ((int)*ip);
727 } else if (ktr->ktr_code == SYS_lseek) {
728 print_number(ip,narg,c);
729 /* Hidden 'pad' argument, not in lseek(2) */
730 print_number(ip,narg,c);
732 whencename ((int)*ip);
736 } else if (ktr->ktr_code == SYS_flock) {
737 print_number(ip,narg,c);
742 } else if (ktr->ktr_code == SYS_mkfifo ||
743 ktr->ktr_code == SYS_mkdir) {
744 print_number(ip,narg,c);
749 } else if (ktr->ktr_code == SYS_shutdown) {
750 print_number(ip,narg,c);
752 shutdownhowname((int)*ip);
755 } else if (ktr->ktr_code == SYS_socketpair) {
757 sockdomainname((int)*ip);
761 socktypename((int)*ip);
765 } else if (ktr->ktr_code == SYS_getrlimit ||
766 ktr->ktr_code == SYS_setrlimit) {
768 rlimitname((int)*ip);
772 } else if (ktr->ktr_code == SYS_quotactl) {
773 print_number(ip,narg,c);
775 quotactlname((int)*ip);
779 } else if (ktr->ktr_code == SYS_nfssvc) {
781 nfssvcname((int)*ip);
785 } else if (ktr->ktr_code == SYS_rtprio) {
787 rtprioname((int)*ip);
791 } else if (ktr->ktr_code == SYS___semctl) {
792 print_number(ip,narg,c);
793 print_number(ip,narg,c);
795 semctlname((int)*ip);
798 } else if (ktr->ktr_code == SYS_semget) {
799 print_number(ip,narg,c);
800 print_number(ip,narg,c);
802 semgetname((int)*ip);
805 } else if (ktr->ktr_code == SYS_msgctl) {
806 print_number(ip,narg,c);
808 shmctlname((int)*ip);
811 } else if (ktr->ktr_code == SYS_shmat) {
812 print_number(ip,narg,c);
813 print_number(ip,narg,c);
818 } else if (ktr->ktr_code == SYS_shmctl) {
819 print_number(ip,narg,c);
821 shmctlname((int)*ip);
824 } else if (ktr->ktr_code == SYS_minherit) {
825 print_number(ip,narg,c);
826 print_number(ip,narg,c);
828 minheritname((int)*ip);
831 } else if (ktr->ktr_code == SYS_rfork) {
837 } else if (ktr->ktr_code == SYS_lio_listio) {
839 lio_listioname((int)*ip);
843 } else if (ktr->ktr_code == SYS_mlockall) {
845 mlockallname((int)*ip);
848 } else if (ktr->ktr_code == SYS_sched_setscheduler) {
849 print_number(ip,narg,c);
851 schedpolicyname((int)*ip);
854 } else if (ktr->ktr_code == SYS_sched_get_priority_max ||
855 ktr->ktr_code == SYS_sched_get_priority_min) {
857 schedpolicyname((int)*ip);
860 } else if (ktr->ktr_code == SYS_sendfile) {
861 print_number(ip,narg,c);
862 print_number(ip,narg,c);
863 print_number(ip,narg,c);
864 print_number(ip,narg,c);
865 print_number(ip,narg,c);
866 print_number(ip,narg,c);
868 sendfileflagsname((int)*ip);
871 } else if (ktr->ktr_code == SYS_kldsym) {
872 print_number(ip,narg,c);
874 kldsymcmdname((int)*ip);
877 } else if (ktr->ktr_code == SYS_sigprocmask) {
879 sigprocmaskhowname((int)*ip);
883 } else if (ktr->ktr_code == SYS___acl_get_file ||
884 ktr->ktr_code == SYS___acl_set_file ||
885 ktr->ktr_code == SYS___acl_get_fd ||
886 ktr->ktr_code == SYS___acl_set_fd ||
887 ktr->ktr_code == SYS___acl_delete_file ||
888 ktr->ktr_code == SYS___acl_delete_fd ||
889 ktr->ktr_code == SYS___acl_aclcheck_file ||
890 ktr->ktr_code == SYS___acl_aclcheck_fd ||
891 ktr->ktr_code == SYS___acl_get_link ||
892 ktr->ktr_code == SYS___acl_set_link ||
893 ktr->ktr_code == SYS___acl_delete_link ||
894 ktr->ktr_code == SYS___acl_aclcheck_link) {
895 print_number(ip,narg,c);
897 acltypename((int)*ip);
900 } else if (ktr->ktr_code == SYS_sigaction) {
906 } else if (ktr->ktr_code == SYS_extattrctl) {
907 print_number(ip,narg,c);
909 extattrctlname((int)*ip);
912 } else if (ktr->ktr_code == SYS_nmount) {
913 print_number(ip,narg,c);
914 print_number(ip,narg,c);
916 mountflagsname ((int)*ip);
919 } else if (ktr->ktr_code == SYS_thr_create) {
920 print_number(ip,narg,c);
921 print_number(ip,narg,c);
923 thrcreateflagsname ((int)*ip);
926 } else if (ktr->ktr_code == SYS_thr_kill) {
927 print_number(ip,narg,c);
932 } else if (ktr->ktr_code == SYS_kldunloadf) {
933 print_number(ip,narg,c);
935 kldunloadfflagsname ((int)*ip);
941 print_number(ip,narg,c);
949 ktrsysret(struct ktr_sysret *ktr, u_int flags)
951 register_t ret = ktr->ktr_retval;
952 int error = ktr->ktr_error;
953 int code = ktr->ktr_code;
955 if ((flags != 0 && ((flags & SV_ABI_MASK) != SV_ABI_FREEBSD)) ||
956 (code >= nsyscalls || code < 0))
957 (void)printf("[%d] ", code);
959 (void)printf("%s ", syscallnames[code]);
963 (void)printf("%ld", (long)ret);
964 if (ret < 0 || ret > 9)
965 (void)printf("/%#lx", (long)ret);
968 (void)printf("%ld", (long)ret);
970 (void)printf("%#lx", (long)ret);
972 } else if (error == ERESTART)
973 (void)printf("RESTART");
974 else if (error == EJUSTRETURN)
975 (void)printf("JUSTRETURN");
977 (void)printf("-1 errno %d", ktr->ktr_error);
979 (void)printf(" %s", strerror(ktr->ktr_error));
985 ktrnamei(char *cp, int len)
987 (void)printf("\"%.*s\"\n", len, cp);
991 hexdump(char *p, int len, int screenwidth)
999 i = 13; /* base offset */
1000 i += (width / 2) + 1; /* spaces every second byte */
1001 i += (width * 2); /* width of bytes */
1003 i += width; /* each byte */
1005 } while (i < screenwidth);
1008 for (n = 0; n < len; n += width) {
1009 for (i = n; i < n + width; i++) {
1010 if ((i % width) == 0) { /* beginning of line */
1011 printf(" 0x%04x", i);
1017 printf("%02x", p[i] & 0xff);
1022 for (i = n; i < n + width; i++) {
1025 if (p[i] >= ' ' && p[i] <= '~')
1032 if ((i % width) != 0)
1037 visdump(char *dp, int datalen, int screenwidth)
1044 (void)printf(" \"");
1046 for (;datalen > 0; datalen--, dp++) {
1047 (void) vis(visbuf, *dp, VIS_CSTYLE, *(dp+1));
1050 * Keep track of printables and
1051 * space chars (like fold(1)).
1054 (void)putchar('\t');
1060 (void)putchar('\n');
1063 width = 8 - (col&07);
1068 if (col + width > (screenwidth-2)) {
1069 (void)printf("\\\n\t");
1074 (void)putchar(*cp++);
1079 (void)printf("\"\n");
1083 ktrgenio(struct ktr_genio *ktr, int len)
1085 int datalen = len - sizeof (struct ktr_genio);
1086 char *dp = (char *)ktr + sizeof (struct ktr_genio);
1087 static int screenwidth = 0;
1090 if (screenwidth == 0) {
1093 if (fancy && ioctl(fileno(stderr), TIOCGWINSZ, &ws) != -1 &&
1095 screenwidth = ws.ws_col;
1099 printf("fd %d %s %d byte%s\n", ktr->ktr_fd,
1100 ktr->ktr_rw == UIO_READ ? "read" : "wrote", datalen,
1101 datalen == 1 ? "" : "s");
1104 if (maxdata && datalen > maxdata)
1107 for (i = 0, binary = 0; i < datalen && binary == 0; i++) {
1108 if (dp[i] >= 32 && dp[i] < 127)
1110 if (dp[i] == 10 || dp[i] == 13 || dp[i] == 0 || dp[i] == 9)
1115 hexdump(dp, datalen, screenwidth);
1117 visdump(dp, datalen, screenwidth);
1120 const char *signames[] = {
1121 "NULL", "HUP", "INT", "QUIT", "ILL", "TRAP", "IOT", /* 1 - 6 */
1122 "EMT", "FPE", "KILL", "BUS", "SEGV", "SYS", /* 7 - 12 */
1123 "PIPE", "ALRM", "TERM", "URG", "STOP", "TSTP", /* 13 - 18 */
1124 "CONT", "CHLD", "TTIN", "TTOU", "IO", "XCPU", /* 19 - 24 */
1125 "XFSZ", "VTALRM", "PROF", "WINCH", "29", "USR1", /* 25 - 30 */
1126 "USR2", NULL, /* 31 - 32 */
1130 ktrpsig(struct ktr_psig *psig)
1132 if (psig->signo > 0 && psig->signo < NSIG)
1133 (void)printf("SIG%s ", signames[psig->signo]);
1135 (void)printf("SIG %d ", psig->signo);
1136 if (psig->action == SIG_DFL)
1137 (void)printf("SIG_DFL code=0x%x\n", psig->code);
1139 (void)printf("caught handler=0x%lx mask=0x%x code=0x%x\n",
1140 (u_long)psig->action, psig->mask.__bits[0], psig->code);
1145 ktrcsw(struct ktr_csw *cs)
1147 (void)printf("%s %s\n", cs->out ? "stop" : "resume",
1148 cs->user ? "user" : "kernel");
1151 #define UTRACE_DLOPEN_START 1
1152 #define UTRACE_DLOPEN_STOP 2
1153 #define UTRACE_DLCLOSE_START 3
1154 #define UTRACE_DLCLOSE_STOP 4
1155 #define UTRACE_LOAD_OBJECT 5
1156 #define UTRACE_UNLOAD_OBJECT 6
1157 #define UTRACE_ADD_RUNDEP 7
1158 #define UTRACE_PRELOAD_FINISHED 8
1159 #define UTRACE_INIT_CALL 9
1160 #define UTRACE_FINI_CALL 10
1162 struct utrace_rtld {
1163 char sig[4]; /* 'RTLD' */
1169 char name[MAXPATHLEN];
1173 ktruser_rtld(int len, unsigned char *p)
1175 struct utrace_rtld *ut = (struct utrace_rtld *)p;
1179 switch (ut->event) {
1180 case UTRACE_DLOPEN_START:
1182 printf("dlopen(%s, ", ut->name);
1183 switch (mode & RTLD_MODEMASK) {
1188 printf("RTLD_LAZY");
1191 printf("%#x", mode & RTLD_MODEMASK);
1193 if (mode & RTLD_GLOBAL)
1194 printf(" | RTLD_GLOBAL");
1195 if (mode & RTLD_TRACE)
1196 printf(" | RTLD_TRACE");
1197 if (mode & ~(RTLD_MODEMASK | RTLD_GLOBAL | RTLD_TRACE))
1198 printf(" | %#x", mode &
1199 ~(RTLD_MODEMASK | RTLD_GLOBAL | RTLD_TRACE));
1202 case UTRACE_DLOPEN_STOP:
1203 printf("%p = dlopen(%s) ref %d\n", ut->handle, ut->name,
1206 case UTRACE_DLCLOSE_START:
1207 printf("dlclose(%p) (%s, %d)\n", ut->handle, ut->name,
1210 case UTRACE_DLCLOSE_STOP:
1211 printf("dlclose(%p) finished\n", ut->handle);
1213 case UTRACE_LOAD_OBJECT:
1214 printf("RTLD: loaded %p @ %p - %p (%s)\n", ut->handle,
1215 ut->mapbase, (char *)ut->mapbase + ut->mapsize - 1,
1218 case UTRACE_UNLOAD_OBJECT:
1219 printf("RTLD: unloaded %p @ %p - %p (%s)\n", ut->handle,
1220 ut->mapbase, (char *)ut->mapbase + ut->mapsize - 1,
1223 case UTRACE_ADD_RUNDEP:
1224 parent = ut->mapbase;
1225 printf("RTLD: %p now depends on %p (%s, %d)\n", parent,
1226 ut->handle, ut->name, ut->refcnt);
1228 case UTRACE_PRELOAD_FINISHED:
1229 printf("RTLD: LD_PRELOAD finished\n");
1231 case UTRACE_INIT_CALL:
1232 printf("RTLD: init %p for %p (%s)\n", ut->mapbase, ut->handle,
1235 case UTRACE_FINI_CALL:
1236 printf("RTLD: fini %p for %p (%s)\n", ut->mapbase, ut->handle,
1242 printf("RTLD: %d ", len);
1245 printf(" %d", *p++);
1247 printf(" %02x", *p++);
1252 struct utrace_malloc {
1259 ktruser_malloc(int len, unsigned char *p)
1261 struct utrace_malloc *ut = (struct utrace_malloc *)p;
1263 if (ut->p == (void *)(intptr_t)(-1))
1264 printf("malloc_init()\n");
1265 else if (ut->s == 0)
1266 printf("free(%p)\n", ut->p);
1267 else if (ut->p == NULL)
1268 printf("%p = malloc(%zu)\n", ut->r, ut->s);
1270 printf("%p = realloc(%p, %zu)\n", ut->r, ut->p, ut->s);
1274 ktruser(int len, unsigned char *p)
1277 if (len >= 8 && bcmp(p, "RTLD", 4) == 0) {
1278 ktruser_rtld(len, p);
1282 if (len == sizeof(struct utrace_malloc)) {
1283 ktruser_malloc(len, p);
1287 (void)printf("%d ", len);
1290 (void)printf(" %d", *p++);
1292 (void)printf(" %02x", *p++);
1297 ktrsockaddr(struct sockaddr *sa)
1300 TODO: Support additional address families
1301 #include <netnatm/natm.h>
1302 struct sockaddr_natm *natm;
1303 #include <netsmb/netbios.h>
1304 struct sockaddr_nb *nb;
1309 * note: ktrstruct() has already verified that sa points to a
1310 * buffer at least sizeof(struct sockaddr) bytes long and exactly
1311 * sa->sa_len bytes long.
1313 printf("struct sockaddr { ");
1314 sockfamilyname(sa->sa_family);
1317 #define check_sockaddr_len(n) \
1318 if (sa_##n->s##n##_len < sizeof(struct sockaddr_##n)) { \
1319 printf("invalid"); \
1323 switch(sa->sa_family) {
1325 struct sockaddr_in *sa_in;
1327 sa_in = (struct sockaddr_in *)sa;
1328 check_sockaddr_len(in);
1329 inet_ntop(AF_INET, &sa_in->sin_addr, addr, sizeof addr);
1330 printf("%s:%u", addr, ntohs(sa_in->sin_port));
1334 case AF_APPLETALK: {
1335 struct sockaddr_at *sa_at;
1336 struct netrange *nr;
1338 sa_at = (struct sockaddr_at *)sa;
1339 check_sockaddr_len(at);
1340 nr = &sa_at->sat_range.r_netrange;
1341 printf("%d.%d, %d-%d, %d", ntohs(sa_at->sat_addr.s_net),
1342 sa_at->sat_addr.s_node, ntohs(nr->nr_firstnet),
1343 ntohs(nr->nr_lastnet), nr->nr_phase);
1348 struct sockaddr_in6 *sa_in6;
1350 sa_in6 = (struct sockaddr_in6 *)sa;
1351 check_sockaddr_len(in6);
1352 inet_ntop(AF_INET6, &sa_in6->sin6_addr, addr, sizeof addr);
1353 printf("[%s]:%u", addr, htons(sa_in6->sin6_port));
1358 struct sockaddr_ipx *sa_ipx;
1360 sa_ipx = (struct sockaddr_ipx *)sa;
1361 check_sockaddr_len(ipx);
1362 /* XXX wish we had ipx_ntop */
1363 printf("%s", ipx_ntoa(sa_ipx->sipx_addr));
1368 struct sockaddr_un *sa_un;
1370 sa_un = (struct sockaddr_un *)sa;
1371 check_sockaddr_len(un);
1372 printf("%.*s", (int)sizeof(sa_un->sun_path), sa_un->sun_path);
1376 printf("unknown address family");
1382 ktrstat(struct stat *statp)
1384 char mode[12], timestr[PATH_MAX + 4];
1390 * note: ktrstruct() has already verified that statp points to a
1391 * buffer exactly sizeof(struct stat) bytes long.
1393 printf("struct stat {");
1394 strmode(statp->st_mode, mode);
1395 printf("dev=%ju, ino=%ju, mode=%s, nlink=%ju, ",
1396 (uintmax_t)statp->st_dev, (uintmax_t)statp->st_ino, mode,
1397 (uintmax_t)statp->st_nlink);
1398 if (resolv == 0 || (pwd = getpwuid(statp->st_uid)) == NULL)
1399 printf("uid=%ju, ", (uintmax_t)statp->st_uid);
1401 printf("uid=\"%s\", ", pwd->pw_name);
1402 if (resolv == 0 || (grp = getgrgid(statp->st_gid)) == NULL)
1403 printf("gid=%ju, ", (uintmax_t)statp->st_gid);
1405 printf("gid=\"%s\", ", grp->gr_name);
1406 printf("rdev=%ju, ", (uintmax_t)statp->st_rdev);
1409 printf("%jd", (intmax_t)statp->st_atim.tv_sec);
1411 tm = localtime(&statp->st_atim.tv_sec);
1412 (void)strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
1413 printf("\"%s\"", timestr);
1415 if (statp->st_atim.tv_nsec != 0)
1416 printf(".%09ld, ", statp->st_atim.tv_nsec);
1421 printf("%jd", (intmax_t)statp->st_mtim.tv_sec);
1423 tm = localtime(&statp->st_mtim.tv_sec);
1424 (void)strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
1425 printf("\"%s\"", timestr);
1427 if (statp->st_mtim.tv_nsec != 0)
1428 printf(".%09ld, ", statp->st_mtim.tv_nsec);
1433 printf("%jd", (intmax_t)statp->st_ctim.tv_sec);
1435 tm = localtime(&statp->st_ctim.tv_sec);
1436 (void)strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
1437 printf("\"%s\"", timestr);
1439 if (statp->st_ctim.tv_nsec != 0)
1440 printf(".%09ld, ", statp->st_ctim.tv_nsec);
1443 printf("birthtime=");
1445 printf("%jd", (intmax_t)statp->st_birthtim.tv_sec);
1447 tm = localtime(&statp->st_birthtim.tv_sec);
1448 (void)strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
1449 printf("\"%s\"", timestr);
1451 if (statp->st_birthtim.tv_nsec != 0)
1452 printf(".%09ld, ", statp->st_birthtim.tv_nsec);
1455 printf("size=%jd, blksize=%ju, blocks=%jd, flags=0x%x",
1456 (uintmax_t)statp->st_size, (uintmax_t)statp->st_blksize,
1457 (intmax_t)statp->st_blocks, statp->st_flags);
1462 ktrstruct(char *buf, size_t buflen)
1465 size_t namelen, datalen;
1468 struct sockaddr_storage ss;
1470 for (name = buf, namelen = 0;
1471 namelen < buflen && name[namelen] != '\0';
1474 if (namelen == buflen)
1476 if (name[namelen] != '\0')
1478 data = buf + namelen + 1;
1479 datalen = buflen - namelen - 1;
1483 for (i = 0; i < namelen; ++i)
1484 if (!isalpha((unsigned char)name[i]))
1486 if (strcmp(name, "stat") == 0) {
1487 if (datalen != sizeof(struct stat))
1489 memcpy(&sb, data, datalen);
1491 } else if (strcmp(name, "sockaddr") == 0) {
1492 if (datalen > sizeof(ss))
1494 memcpy(&ss, data, datalen);
1495 if (datalen < sizeof(struct sockaddr) ||
1496 datalen != ss.ss_len)
1498 ktrsockaddr((struct sockaddr *)&ss);
1500 printf("unknown structure\n");
1504 printf("invalid record\n");
1507 #if defined(__amd64__) || defined(__i386__)
1509 linux_ktrsyscall(struct ktr_syscall *ktr)
1511 int narg = ktr->ktr_narg;
1514 if (ktr->ktr_code >= nlinux_syscalls || ktr->ktr_code < 0)
1515 printf("[%d]", ktr->ktr_code);
1517 printf("%s", linux_syscallnames[ktr->ktr_code]);
1518 ip = &ktr->ktr_args[0];
1522 print_number(ip, narg, c);
1529 linux_ktrsysret(struct ktr_sysret *ktr)
1531 register_t ret = ktr->ktr_retval;
1532 int error = ktr->ktr_error;
1533 int code = ktr->ktr_code;
1535 if (code >= nlinux_syscalls || code < 0)
1536 printf("[%d] ", code);
1538 printf("%s ", linux_syscallnames[code]);
1542 printf("%ld", (long)ret);
1543 if (ret < 0 || ret > 9)
1544 printf("/%#lx", (long)ret);
1547 printf("%ld", (long)ret);
1549 printf("%#lx", (long)ret);
1551 } else if (error == ERESTART)
1553 else if (error == EJUSTRETURN)
1554 printf("JUSTRETURN");
1556 if (ktr->ktr_error <= ELAST + 1)
1557 error = abs(bsd_to_linux_errno[ktr->ktr_error]);
1560 printf("-1 errno %d", error);
1562 printf(" %s", strerror(ktr->ktr_error));
1571 fprintf(stderr, "usage: kdump [-dEnlHRrsTA] [-f trfile] "
1572 "[-m maxdata] [-p pid] [-t trstr]\n");