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 ktrcsw_old(struct ktr_csw_old *);
99 void ktruser(int, unsigned char *);
100 void ktrsockaddr(struct sockaddr *);
101 void ktrstat(struct stat *);
102 void ktrstruct(char *, size_t);
103 void ktrfault(struct ktr_fault *);
104 void ktrfaultend(struct ktr_faultend *);
106 void sockfamilyname(int);
107 const char *ioctlname(u_long);
109 int timestamp, decimal, fancy = 1, suppressdata, tail, threads, maxdata,
110 resolv = 0, abiflag = 0;
111 const char *tracefile = DEF_TRACEFILE;
112 struct ktr_header ktr_header;
114 #define TIME_FORMAT "%b %e %T %Y"
115 #define eqs(s1, s2) (strcmp((s1), (s2)) == 0)
117 #define print_number(i,n,c) do { \
119 printf("%c%ld", c, (long)*i); \
121 printf("%c%#lx", c, (long)*i); \
127 #if defined(__amd64__) || defined(__i386__)
129 void linux_ktrsyscall(struct ktr_syscall *);
130 void linux_ktrsysret(struct ktr_sysret *);
131 extern char *linux_syscallnames[];
132 extern int nlinux_syscalls;
136 * Linux syscalls return negative errno's, we do positive and map them
138 static int bsd_to_linux_errno[ELAST + 1] = {
139 -0, -1, -2, -3, -4, -5, -6, -7, -8, -9,
140 -10, -35, -12, -13, -14, -15, -16, -17, -18, -19,
141 -20, -21, -22, -23, -24, -25, -26, -27, -28, -29,
142 -30, -31, -32, -33, -34, -11,-115,-114, -88, -89,
143 -90, -91, -92, -93, -94, -95, -96, -97, -98, -99,
144 -100,-101,-102,-103,-104,-105,-106,-107,-108,-109,
145 -110,-111, -40, -36,-112,-113, -39, -11, -87,-122,
146 -116, -66, -6, -6, -6, -6, -6, -37, -38, -9,
147 -6, -6, -43, -42, -75,-125, -84, -95, -16, -74,
154 TAILQ_ENTRY(proc_info) info;
159 TAILQ_HEAD(trace_procs, proc_info) trace_procs;
162 main(int argc, char *argv[])
164 int ch, ktrlen, size;
166 int trpoints = ALL_POINTS;
171 (void) setlocale(LC_CTYPE, "");
173 while ((ch = getopt(argc,argv,"f:dElm:np:AHRrsTt:")) != -1)
188 maxdata = atoi(optarg);
203 timestamp = 3; /* elapsed timestamp */
209 timestamp = 2; /* relative timestamp */
215 trpoints = getpoints(optarg);
217 errx(1, "unknown trace point in %s", optarg);
226 m = (void *)malloc(size = 1025);
228 errx(1, "%s", strerror(ENOMEM));
229 if (!freopen(tracefile, "r", stdin))
230 err(1, "%s", tracefile);
231 TAILQ_INIT(&trace_procs);
233 while (fread_tail(&ktr_header, sizeof(struct ktr_header), 1)) {
234 if (ktr_header.ktr_type & KTR_DROP) {
235 ktr_header.ktr_type &= ~KTR_DROP;
236 if (!drop_logged && threads) {
238 "%6jd %6jd %-8.*s Events dropped.\n",
239 (intmax_t)ktr_header.ktr_pid,
240 ktr_header.ktr_tid > 0 ?
241 (intmax_t)ktr_header.ktr_tid : 0,
242 MAXCOMLEN, ktr_header.ktr_comm);
244 } else if (!drop_logged) {
245 (void)printf("%6jd %-8.*s Events dropped.\n",
246 (intmax_t)ktr_header.ktr_pid, MAXCOMLEN,
247 ktr_header.ktr_comm);
251 if (trpoints & (1<<ktr_header.ktr_type))
252 if (pid == 0 || ktr_header.ktr_pid == pid ||
253 ktr_header.ktr_tid == pid)
254 dumpheader(&ktr_header);
255 if ((ktrlen = ktr_header.ktr_len) < 0)
256 errx(1, "bogus length 0x%x", ktrlen);
258 m = (void *)realloc(m, ktrlen+1);
260 errx(1, "%s", strerror(ENOMEM));
263 if (ktrlen && fread_tail(m, ktrlen, 1) == 0)
264 errx(1, "data too short");
265 if (fetchprocinfo(&ktr_header, (u_int *)m) != 0)
267 sv_flags = abidump(&ktr_header);
268 if (pid && ktr_header.ktr_pid != pid &&
269 ktr_header.ktr_tid != pid)
271 if ((trpoints & (1<<ktr_header.ktr_type)) == 0)
274 switch (ktr_header.ktr_type) {
276 #if defined(__amd64__) || defined(__i386__)
277 if ((sv_flags & SV_ABI_MASK) == SV_ABI_LINUX)
278 linux_ktrsyscall((struct ktr_syscall *)m);
281 ktrsyscall((struct ktr_syscall *)m, sv_flags);
284 #if defined(__amd64__) || defined(__i386__)
285 if ((sv_flags & SV_ABI_MASK) == SV_ABI_LINUX)
286 linux_ktrsysret((struct ktr_sysret *)m);
289 ktrsysret((struct ktr_sysret *)m, sv_flags);
296 ktrgenio((struct ktr_genio *)m, ktrlen);
299 ktrpsig((struct ktr_psig *)m);
302 if (ktrlen == sizeof(struct ktr_csw_old))
303 ktrcsw_old((struct ktr_csw_old *)m);
305 ktrcsw((struct ktr_csw *)m);
311 ktrstruct(m, ktrlen);
314 ktrfault((struct ktr_fault *)m);
317 ktrfaultend((struct ktr_faultend *)m);
324 (void)fflush(stdout);
330 fread_tail(void *buf, int size, int num)
334 while ((i = fread(buf, size, num, stdin)) == 0 && tail) {
342 fetchprocinfo(struct ktr_header *kth, u_int *flags)
344 struct proc_info *pi;
346 switch (kth->ktr_type) {
348 TAILQ_FOREACH(pi, &trace_procs, info) {
349 if (pi->pid == kth->ktr_pid) {
350 TAILQ_REMOVE(&trace_procs, pi, info);
354 pi = malloc(sizeof(struct proc_info));
356 errx(1, "%s", strerror(ENOMEM));
357 pi->sv_flags = *flags;
358 pi->pid = kth->ktr_pid;
359 TAILQ_INSERT_TAIL(&trace_procs, pi, info);
363 TAILQ_FOREACH(pi, &trace_procs, info) {
364 if (pi->pid == kth->ktr_pid) {
365 TAILQ_REMOVE(&trace_procs, pi, info);
377 abidump(struct ktr_header *kth)
379 struct proc_info *pi;
384 TAILQ_FOREACH(pi, &trace_procs, info) {
385 if (pi->pid == kth->ktr_pid) {
386 flags = pi->sv_flags;
394 switch (flags & SV_ABI_MASK) {
414 printf("%s%s ", abi, arch);
420 dumpheader(struct ktr_header *kth)
422 static char unknown[64];
423 static struct timeval prevtime, temp;
426 switch (kth->ktr_type) {
465 (void)sprintf(unknown, "UNKNOWN(%d)", kth->ktr_type);
470 * The ktr_tid field was previously the ktr_buffer field, which held
471 * the kernel pointer value for the buffer associated with data
472 * following the record header. It now holds a threadid, but only
473 * for trace files after the change. Older trace files still contain
474 * kernel pointers. Detect this and suppress the results by printing
475 * negative tid's as 0.
478 (void)printf("%6jd %6jd %-8.*s ", (intmax_t)kth->ktr_pid,
479 kth->ktr_tid > 0 ? (intmax_t)kth->ktr_tid : 0,
480 MAXCOMLEN, kth->ktr_comm);
482 (void)printf("%6jd %-8.*s ", (intmax_t)kth->ktr_pid, MAXCOMLEN,
485 if (timestamp == 3) {
486 if (prevtime.tv_sec == 0)
487 prevtime = kth->ktr_time;
488 timevalsub(&kth->ktr_time, &prevtime);
490 if (timestamp == 2) {
491 temp = kth->ktr_time;
492 timevalsub(&kth->ktr_time, &prevtime);
495 (void)printf("%jd.%06ld ", (intmax_t)kth->ktr_time.tv_sec,
496 kth->ktr_time.tv_usec);
498 (void)printf("%s ", type);
501 #include <sys/syscall.h>
503 #include <sys/kern/syscalls.c>
505 int nsyscalls = sizeof (syscallnames) / sizeof (syscallnames[0]);
508 ktrsyscall(struct ktr_syscall *ktr, u_int flags)
510 int narg = ktr->ktr_narg;
513 if ((flags != 0 && ((flags & SV_ABI_MASK) != SV_ABI_FREEBSD)) ||
514 (ktr->ktr_code >= nsyscalls || ktr->ktr_code < 0))
515 (void)printf("[%d]", ktr->ktr_code);
517 (void)printf("%s", syscallnames[ktr->ktr_code]);
518 ip = &ktr->ktr_args[0];
522 (flags == 0 || (flags & SV_ABI_MASK) == SV_ABI_FREEBSD)) {
523 if (ktr->ktr_code == SYS_ioctl) {
525 print_number(ip,narg,c);
526 if ((cp = ioctlname(*ip)) != NULL)
527 (void)printf(",%s", cp);
530 (void)printf(",%ld", (long)*ip);
532 (void)printf(",%#lx ", (long)*ip);
537 } else if (ktr->ktr_code == SYS_ptrace) {
539 ptraceopname ((int)*ip);
543 } else if (ktr->ktr_code == SYS_access ||
544 ktr->ktr_code == SYS_eaccess) {
545 print_number(ip,narg,c);
547 accessmodename ((int)*ip);
550 } else if (ktr->ktr_code == SYS_open) {
553 print_number(ip,narg,c);
557 flagsandmodename (flags, mode, decimal);
560 } else if (ktr->ktr_code == SYS_wait4) {
561 print_number(ip,narg,c);
562 print_number(ip,narg,c);
564 wait4optname ((int)*ip);
567 } else if (ktr->ktr_code == SYS_chmod ||
568 ktr->ktr_code == SYS_fchmod ||
569 ktr->ktr_code == SYS_lchmod) {
570 print_number(ip,narg,c);
575 } else if (ktr->ktr_code == SYS_mknod) {
576 print_number(ip,narg,c);
581 } else if (ktr->ktr_code == SYS_getfsstat) {
582 print_number(ip,narg,c);
583 print_number(ip,narg,c);
585 getfsstatflagsname ((int)*ip);
588 } else if (ktr->ktr_code == SYS_mount) {
589 print_number(ip,narg,c);
590 print_number(ip,narg,c);
592 mountflagsname ((int)*ip);
595 } else if (ktr->ktr_code == SYS_unmount) {
596 print_number(ip,narg,c);
598 mountflagsname ((int)*ip);
601 } else if (ktr->ktr_code == SYS_recvmsg ||
602 ktr->ktr_code == SYS_sendmsg) {
603 print_number(ip,narg,c);
604 print_number(ip,narg,c);
606 sendrecvflagsname ((int)*ip);
609 } else if (ktr->ktr_code == SYS_recvfrom ||
610 ktr->ktr_code == SYS_sendto) {
611 print_number(ip,narg,c);
612 print_number(ip,narg,c);
613 print_number(ip,narg,c);
615 sendrecvflagsname ((int)*ip);
618 } else if (ktr->ktr_code == SYS_chflags ||
619 ktr->ktr_code == SYS_fchflags ||
620 ktr->ktr_code == SYS_lchflags) {
621 print_number(ip,narg,c);
626 } else if (ktr->ktr_code == SYS_kill) {
627 print_number(ip,narg,c);
632 } else if (ktr->ktr_code == SYS_reboot) {
634 rebootoptname((int)*ip);
637 } else if (ktr->ktr_code == SYS_umask) {
642 } else if (ktr->ktr_code == SYS_msync) {
643 print_number(ip,narg,c);
644 print_number(ip,narg,c);
646 msyncflagsname((int)*ip);
649 #ifdef SYS_freebsd6_mmap
650 } else if (ktr->ktr_code == SYS_freebsd6_mmap) {
651 print_number(ip,narg,c);
652 print_number(ip,narg,c);
654 mmapprotname ((int)*ip);
658 mmapflagsname ((int)*ip);
662 } else if (ktr->ktr_code == SYS_mmap) {
663 print_number(ip,narg,c);
664 print_number(ip,narg,c);
666 mmapprotname ((int)*ip);
670 mmapflagsname ((int)*ip);
673 } else if (ktr->ktr_code == SYS_mprotect) {
674 print_number(ip,narg,c);
675 print_number(ip,narg,c);
677 mmapprotname ((int)*ip);
680 } else if (ktr->ktr_code == SYS_madvise) {
681 print_number(ip,narg,c);
682 print_number(ip,narg,c);
684 madvisebehavname((int)*ip);
687 } else if (ktr->ktr_code == SYS_setpriority) {
688 print_number(ip,narg,c);
689 print_number(ip,narg,c);
694 } else if (ktr->ktr_code == SYS_fcntl) {
697 print_number(ip,narg,c);
701 fcntlcmdname(cmd, arg, decimal);
704 } else if (ktr->ktr_code == SYS_socket) {
708 sockdomainname(sockdomain);
712 socktypename((int)*ip);
715 if (sockdomain == PF_INET ||
716 sockdomain == PF_INET6) {
718 sockipprotoname((int)*ip);
723 } else if (ktr->ktr_code == SYS_setsockopt ||
724 ktr->ktr_code == SYS_getsockopt) {
725 print_number(ip,narg,c);
727 sockoptlevelname((int)*ip, decimal);
728 if ((int)*ip == SOL_SOCKET) {
732 sockoptname((int)*ip);
736 #ifdef SYS_freebsd6_lseek
737 } else if (ktr->ktr_code == SYS_freebsd6_lseek) {
738 print_number(ip,narg,c);
739 /* Hidden 'pad' argument, not in lseek(2) */
740 print_number(ip,narg,c);
741 print_number(ip,narg,c);
743 whencename ((int)*ip);
747 } else if (ktr->ktr_code == SYS_lseek) {
748 print_number(ip,narg,c);
749 /* Hidden 'pad' argument, not in lseek(2) */
750 print_number(ip,narg,c);
752 whencename ((int)*ip);
756 } else if (ktr->ktr_code == SYS_flock) {
757 print_number(ip,narg,c);
762 } else if (ktr->ktr_code == SYS_mkfifo ||
763 ktr->ktr_code == SYS_mkdir) {
764 print_number(ip,narg,c);
769 } else if (ktr->ktr_code == SYS_shutdown) {
770 print_number(ip,narg,c);
772 shutdownhowname((int)*ip);
775 } else if (ktr->ktr_code == SYS_socketpair) {
777 sockdomainname((int)*ip);
781 socktypename((int)*ip);
785 } else if (ktr->ktr_code == SYS_getrlimit ||
786 ktr->ktr_code == SYS_setrlimit) {
788 rlimitname((int)*ip);
792 } else if (ktr->ktr_code == SYS_quotactl) {
793 print_number(ip,narg,c);
795 quotactlname((int)*ip);
799 } else if (ktr->ktr_code == SYS_nfssvc) {
801 nfssvcname((int)*ip);
805 } else if (ktr->ktr_code == SYS_rtprio) {
807 rtprioname((int)*ip);
811 } else if (ktr->ktr_code == SYS___semctl) {
812 print_number(ip,narg,c);
813 print_number(ip,narg,c);
815 semctlname((int)*ip);
818 } else if (ktr->ktr_code == SYS_semget) {
819 print_number(ip,narg,c);
820 print_number(ip,narg,c);
822 semgetname((int)*ip);
825 } else if (ktr->ktr_code == SYS_msgctl) {
826 print_number(ip,narg,c);
828 shmctlname((int)*ip);
831 } else if (ktr->ktr_code == SYS_shmat) {
832 print_number(ip,narg,c);
833 print_number(ip,narg,c);
838 } else if (ktr->ktr_code == SYS_shmctl) {
839 print_number(ip,narg,c);
841 shmctlname((int)*ip);
844 } else if (ktr->ktr_code == SYS_minherit) {
845 print_number(ip,narg,c);
846 print_number(ip,narg,c);
848 minheritname((int)*ip);
851 } else if (ktr->ktr_code == SYS_rfork) {
857 } else if (ktr->ktr_code == SYS_lio_listio) {
859 lio_listioname((int)*ip);
863 } else if (ktr->ktr_code == SYS_mlockall) {
865 mlockallname((int)*ip);
868 } else if (ktr->ktr_code == SYS_sched_setscheduler) {
869 print_number(ip,narg,c);
871 schedpolicyname((int)*ip);
874 } else if (ktr->ktr_code == SYS_sched_get_priority_max ||
875 ktr->ktr_code == SYS_sched_get_priority_min) {
877 schedpolicyname((int)*ip);
880 } else if (ktr->ktr_code == SYS_sendfile) {
881 print_number(ip,narg,c);
882 print_number(ip,narg,c);
883 print_number(ip,narg,c);
884 print_number(ip,narg,c);
885 print_number(ip,narg,c);
886 print_number(ip,narg,c);
888 sendfileflagsname((int)*ip);
891 } else if (ktr->ktr_code == SYS_kldsym) {
892 print_number(ip,narg,c);
894 kldsymcmdname((int)*ip);
897 } else if (ktr->ktr_code == SYS_sigprocmask) {
899 sigprocmaskhowname((int)*ip);
903 } else if (ktr->ktr_code == SYS___acl_get_file ||
904 ktr->ktr_code == SYS___acl_set_file ||
905 ktr->ktr_code == SYS___acl_get_fd ||
906 ktr->ktr_code == SYS___acl_set_fd ||
907 ktr->ktr_code == SYS___acl_delete_file ||
908 ktr->ktr_code == SYS___acl_delete_fd ||
909 ktr->ktr_code == SYS___acl_aclcheck_file ||
910 ktr->ktr_code == SYS___acl_aclcheck_fd ||
911 ktr->ktr_code == SYS___acl_get_link ||
912 ktr->ktr_code == SYS___acl_set_link ||
913 ktr->ktr_code == SYS___acl_delete_link ||
914 ktr->ktr_code == SYS___acl_aclcheck_link) {
915 print_number(ip,narg,c);
917 acltypename((int)*ip);
920 } else if (ktr->ktr_code == SYS_sigaction) {
926 } else if (ktr->ktr_code == SYS_extattrctl) {
927 print_number(ip,narg,c);
929 extattrctlname((int)*ip);
932 } else if (ktr->ktr_code == SYS_nmount) {
933 print_number(ip,narg,c);
934 print_number(ip,narg,c);
936 mountflagsname ((int)*ip);
939 } else if (ktr->ktr_code == SYS_thr_create) {
940 print_number(ip,narg,c);
941 print_number(ip,narg,c);
943 thrcreateflagsname ((int)*ip);
946 } else if (ktr->ktr_code == SYS_thr_kill) {
947 print_number(ip,narg,c);
952 } else if (ktr->ktr_code == SYS_kldunloadf) {
953 print_number(ip,narg,c);
955 kldunloadfflagsname ((int)*ip);
958 } else if (ktr->ktr_code == SYS_posix_fadvise) {
959 print_number(ip,narg,c);
960 print_number(ip,narg,c);
961 print_number(ip,narg,c);
963 fadvisebehavname((int)*ip);
969 print_number(ip,narg,c);
977 ktrsysret(struct ktr_sysret *ktr, u_int flags)
979 register_t ret = ktr->ktr_retval;
980 int error = ktr->ktr_error;
981 int code = ktr->ktr_code;
983 if ((flags != 0 && ((flags & SV_ABI_MASK) != SV_ABI_FREEBSD)) ||
984 (code >= nsyscalls || code < 0))
985 (void)printf("[%d] ", code);
987 (void)printf("%s ", syscallnames[code]);
991 (void)printf("%ld", (long)ret);
992 if (ret < 0 || ret > 9)
993 (void)printf("/%#lx", (long)ret);
996 (void)printf("%ld", (long)ret);
998 (void)printf("%#lx", (long)ret);
1000 } else if (error == ERESTART)
1001 (void)printf("RESTART");
1002 else if (error == EJUSTRETURN)
1003 (void)printf("JUSTRETURN");
1005 (void)printf("-1 errno %d", ktr->ktr_error);
1007 (void)printf(" %s", strerror(ktr->ktr_error));
1009 (void)putchar('\n');
1013 ktrnamei(char *cp, int len)
1015 (void)printf("\"%.*s\"\n", len, cp);
1019 hexdump(char *p, int len, int screenwidth)
1027 i = 13; /* base offset */
1028 i += (width / 2) + 1; /* spaces every second byte */
1029 i += (width * 2); /* width of bytes */
1031 i += width; /* each byte */
1033 } while (i < screenwidth);
1036 for (n = 0; n < len; n += width) {
1037 for (i = n; i < n + width; i++) {
1038 if ((i % width) == 0) { /* beginning of line */
1039 printf(" 0x%04x", i);
1045 printf("%02x", p[i] & 0xff);
1050 for (i = n; i < n + width; i++) {
1053 if (p[i] >= ' ' && p[i] <= '~')
1060 if ((i % width) != 0)
1065 visdump(char *dp, int datalen, int screenwidth)
1072 (void)printf(" \"");
1074 for (;datalen > 0; datalen--, dp++) {
1075 (void) vis(visbuf, *dp, VIS_CSTYLE, *(dp+1));
1078 * Keep track of printables and
1079 * space chars (like fold(1)).
1082 (void)putchar('\t');
1088 (void)putchar('\n');
1091 width = 8 - (col&07);
1096 if (col + width > (screenwidth-2)) {
1097 (void)printf("\\\n\t");
1102 (void)putchar(*cp++);
1107 (void)printf("\"\n");
1111 ktrgenio(struct ktr_genio *ktr, int len)
1113 int datalen = len - sizeof (struct ktr_genio);
1114 char *dp = (char *)ktr + sizeof (struct ktr_genio);
1115 static int screenwidth = 0;
1118 if (screenwidth == 0) {
1121 if (fancy && ioctl(fileno(stderr), TIOCGWINSZ, &ws) != -1 &&
1123 screenwidth = ws.ws_col;
1127 printf("fd %d %s %d byte%s\n", ktr->ktr_fd,
1128 ktr->ktr_rw == UIO_READ ? "read" : "wrote", datalen,
1129 datalen == 1 ? "" : "s");
1132 if (maxdata && datalen > maxdata)
1135 for (i = 0, binary = 0; i < datalen && binary == 0; i++) {
1136 if (dp[i] >= 32 && dp[i] < 127)
1138 if (dp[i] == 10 || dp[i] == 13 || dp[i] == 0 || dp[i] == 9)
1143 hexdump(dp, datalen, screenwidth);
1145 visdump(dp, datalen, screenwidth);
1148 const char *signames[] = {
1149 "NULL", "HUP", "INT", "QUIT", "ILL", "TRAP", "IOT", /* 1 - 6 */
1150 "EMT", "FPE", "KILL", "BUS", "SEGV", "SYS", /* 7 - 12 */
1151 "PIPE", "ALRM", "TERM", "URG", "STOP", "TSTP", /* 13 - 18 */
1152 "CONT", "CHLD", "TTIN", "TTOU", "IO", "XCPU", /* 19 - 24 */
1153 "XFSZ", "VTALRM", "PROF", "WINCH", "29", "USR1", /* 25 - 30 */
1154 "USR2", NULL, /* 31 - 32 */
1158 ktrpsig(struct ktr_psig *psig)
1160 if (psig->signo > 0 && psig->signo < NSIG)
1161 (void)printf("SIG%s ", signames[psig->signo]);
1163 (void)printf("SIG %d ", psig->signo);
1164 if (psig->action == SIG_DFL)
1165 (void)printf("SIG_DFL code=0x%x\n", psig->code);
1167 (void)printf("caught handler=0x%lx mask=0x%x code=0x%x\n",
1168 (u_long)psig->action, psig->mask.__bits[0], psig->code);
1173 ktrcsw_old(struct ktr_csw_old *cs)
1175 (void)printf("%s %s\n", cs->out ? "stop" : "resume",
1176 cs->user ? "user" : "kernel");
1180 ktrcsw(struct ktr_csw *cs)
1182 printf("%s %s \"%s\"\n", cs->out ? "stop" : "resume",
1183 cs->user ? "user" : "kernel", cs->wmesg);
1186 #define UTRACE_DLOPEN_START 1
1187 #define UTRACE_DLOPEN_STOP 2
1188 #define UTRACE_DLCLOSE_START 3
1189 #define UTRACE_DLCLOSE_STOP 4
1190 #define UTRACE_LOAD_OBJECT 5
1191 #define UTRACE_UNLOAD_OBJECT 6
1192 #define UTRACE_ADD_RUNDEP 7
1193 #define UTRACE_PRELOAD_FINISHED 8
1194 #define UTRACE_INIT_CALL 9
1195 #define UTRACE_FINI_CALL 10
1197 struct utrace_rtld {
1198 char sig[4]; /* 'RTLD' */
1204 char name[MAXPATHLEN];
1208 ktruser_rtld(int len, unsigned char *p)
1210 struct utrace_rtld *ut = (struct utrace_rtld *)p;
1214 switch (ut->event) {
1215 case UTRACE_DLOPEN_START:
1217 printf("dlopen(%s, ", ut->name);
1218 switch (mode & RTLD_MODEMASK) {
1223 printf("RTLD_LAZY");
1226 printf("%#x", mode & RTLD_MODEMASK);
1228 if (mode & RTLD_GLOBAL)
1229 printf(" | RTLD_GLOBAL");
1230 if (mode & RTLD_TRACE)
1231 printf(" | RTLD_TRACE");
1232 if (mode & ~(RTLD_MODEMASK | RTLD_GLOBAL | RTLD_TRACE))
1233 printf(" | %#x", mode &
1234 ~(RTLD_MODEMASK | RTLD_GLOBAL | RTLD_TRACE));
1237 case UTRACE_DLOPEN_STOP:
1238 printf("%p = dlopen(%s) ref %d\n", ut->handle, ut->name,
1241 case UTRACE_DLCLOSE_START:
1242 printf("dlclose(%p) (%s, %d)\n", ut->handle, ut->name,
1245 case UTRACE_DLCLOSE_STOP:
1246 printf("dlclose(%p) finished\n", ut->handle);
1248 case UTRACE_LOAD_OBJECT:
1249 printf("RTLD: loaded %p @ %p - %p (%s)\n", ut->handle,
1250 ut->mapbase, (char *)ut->mapbase + ut->mapsize - 1,
1253 case UTRACE_UNLOAD_OBJECT:
1254 printf("RTLD: unloaded %p @ %p - %p (%s)\n", ut->handle,
1255 ut->mapbase, (char *)ut->mapbase + ut->mapsize - 1,
1258 case UTRACE_ADD_RUNDEP:
1259 parent = ut->mapbase;
1260 printf("RTLD: %p now depends on %p (%s, %d)\n", parent,
1261 ut->handle, ut->name, ut->refcnt);
1263 case UTRACE_PRELOAD_FINISHED:
1264 printf("RTLD: LD_PRELOAD finished\n");
1266 case UTRACE_INIT_CALL:
1267 printf("RTLD: init %p for %p (%s)\n", ut->mapbase, ut->handle,
1270 case UTRACE_FINI_CALL:
1271 printf("RTLD: fini %p for %p (%s)\n", ut->mapbase, ut->handle,
1277 printf("RTLD: %d ", len);
1280 printf(" %d", *p++);
1282 printf(" %02x", *p++);
1287 struct utrace_malloc {
1294 ktruser_malloc(int len, unsigned char *p)
1296 struct utrace_malloc *ut = (struct utrace_malloc *)p;
1298 if (ut->p == (void *)(intptr_t)(-1))
1299 printf("malloc_init()\n");
1300 else if (ut->s == 0)
1301 printf("free(%p)\n", ut->p);
1302 else if (ut->p == NULL)
1303 printf("%p = malloc(%zu)\n", ut->r, ut->s);
1305 printf("%p = realloc(%p, %zu)\n", ut->r, ut->p, ut->s);
1309 ktruser(int len, unsigned char *p)
1312 if (len >= 8 && bcmp(p, "RTLD", 4) == 0) {
1313 ktruser_rtld(len, p);
1317 if (len == sizeof(struct utrace_malloc)) {
1318 ktruser_malloc(len, p);
1322 (void)printf("%d ", len);
1325 (void)printf(" %d", *p++);
1327 (void)printf(" %02x", *p++);
1332 ktrsockaddr(struct sockaddr *sa)
1335 TODO: Support additional address families
1336 #include <netnatm/natm.h>
1337 struct sockaddr_natm *natm;
1338 #include <netsmb/netbios.h>
1339 struct sockaddr_nb *nb;
1344 * note: ktrstruct() has already verified that sa points to a
1345 * buffer at least sizeof(struct sockaddr) bytes long and exactly
1346 * sa->sa_len bytes long.
1348 printf("struct sockaddr { ");
1349 sockfamilyname(sa->sa_family);
1352 #define check_sockaddr_len(n) \
1353 if (sa_##n->s##n##_len < sizeof(struct sockaddr_##n)) { \
1354 printf("invalid"); \
1358 switch(sa->sa_family) {
1360 struct sockaddr_in *sa_in;
1362 sa_in = (struct sockaddr_in *)sa;
1363 check_sockaddr_len(in);
1364 inet_ntop(AF_INET, &sa_in->sin_addr, addr, sizeof addr);
1365 printf("%s:%u", addr, ntohs(sa_in->sin_port));
1369 case AF_APPLETALK: {
1370 struct sockaddr_at *sa_at;
1371 struct netrange *nr;
1373 sa_at = (struct sockaddr_at *)sa;
1374 check_sockaddr_len(at);
1375 nr = &sa_at->sat_range.r_netrange;
1376 printf("%d.%d, %d-%d, %d", ntohs(sa_at->sat_addr.s_net),
1377 sa_at->sat_addr.s_node, ntohs(nr->nr_firstnet),
1378 ntohs(nr->nr_lastnet), nr->nr_phase);
1383 struct sockaddr_in6 *sa_in6;
1385 sa_in6 = (struct sockaddr_in6 *)sa;
1386 check_sockaddr_len(in6);
1387 inet_ntop(AF_INET6, &sa_in6->sin6_addr, addr, sizeof addr);
1388 printf("[%s]:%u", addr, htons(sa_in6->sin6_port));
1393 struct sockaddr_ipx *sa_ipx;
1395 sa_ipx = (struct sockaddr_ipx *)sa;
1396 check_sockaddr_len(ipx);
1397 /* XXX wish we had ipx_ntop */
1398 printf("%s", ipx_ntoa(sa_ipx->sipx_addr));
1403 struct sockaddr_un *sa_un;
1405 sa_un = (struct sockaddr_un *)sa;
1406 check_sockaddr_len(un);
1407 printf("%.*s", (int)sizeof(sa_un->sun_path), sa_un->sun_path);
1411 printf("unknown address family");
1417 ktrstat(struct stat *statp)
1419 char mode[12], timestr[PATH_MAX + 4];
1425 * note: ktrstruct() has already verified that statp points to a
1426 * buffer exactly sizeof(struct stat) bytes long.
1428 printf("struct stat {");
1429 strmode(statp->st_mode, mode);
1430 printf("dev=%ju, ino=%ju, mode=%s, nlink=%ju, ",
1431 (uintmax_t)statp->st_dev, (uintmax_t)statp->st_ino, mode,
1432 (uintmax_t)statp->st_nlink);
1433 if (resolv == 0 || (pwd = getpwuid(statp->st_uid)) == NULL)
1434 printf("uid=%ju, ", (uintmax_t)statp->st_uid);
1436 printf("uid=\"%s\", ", pwd->pw_name);
1437 if (resolv == 0 || (grp = getgrgid(statp->st_gid)) == NULL)
1438 printf("gid=%ju, ", (uintmax_t)statp->st_gid);
1440 printf("gid=\"%s\", ", grp->gr_name);
1441 printf("rdev=%ju, ", (uintmax_t)statp->st_rdev);
1444 printf("%jd", (intmax_t)statp->st_atim.tv_sec);
1446 tm = localtime(&statp->st_atim.tv_sec);
1447 (void)strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
1448 printf("\"%s\"", timestr);
1450 if (statp->st_atim.tv_nsec != 0)
1451 printf(".%09ld, ", statp->st_atim.tv_nsec);
1456 printf("%jd", (intmax_t)statp->st_mtim.tv_sec);
1458 tm = localtime(&statp->st_mtim.tv_sec);
1459 (void)strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
1460 printf("\"%s\"", timestr);
1462 if (statp->st_mtim.tv_nsec != 0)
1463 printf(".%09ld, ", statp->st_mtim.tv_nsec);
1468 printf("%jd", (intmax_t)statp->st_ctim.tv_sec);
1470 tm = localtime(&statp->st_ctim.tv_sec);
1471 (void)strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
1472 printf("\"%s\"", timestr);
1474 if (statp->st_ctim.tv_nsec != 0)
1475 printf(".%09ld, ", statp->st_ctim.tv_nsec);
1478 printf("birthtime=");
1480 printf("%jd", (intmax_t)statp->st_birthtim.tv_sec);
1482 tm = localtime(&statp->st_birthtim.tv_sec);
1483 (void)strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
1484 printf("\"%s\"", timestr);
1486 if (statp->st_birthtim.tv_nsec != 0)
1487 printf(".%09ld, ", statp->st_birthtim.tv_nsec);
1490 printf("size=%jd, blksize=%ju, blocks=%jd, flags=0x%x",
1491 (uintmax_t)statp->st_size, (uintmax_t)statp->st_blksize,
1492 (intmax_t)statp->st_blocks, statp->st_flags);
1497 ktrstruct(char *buf, size_t buflen)
1500 size_t namelen, datalen;
1503 struct sockaddr_storage ss;
1505 for (name = buf, namelen = 0;
1506 namelen < buflen && name[namelen] != '\0';
1509 if (namelen == buflen)
1511 if (name[namelen] != '\0')
1513 data = buf + namelen + 1;
1514 datalen = buflen - namelen - 1;
1518 for (i = 0; i < namelen; ++i)
1519 if (!isalpha((unsigned char)name[i]))
1521 if (strcmp(name, "stat") == 0) {
1522 if (datalen != sizeof(struct stat))
1524 memcpy(&sb, data, datalen);
1526 } else if (strcmp(name, "sockaddr") == 0) {
1527 if (datalen > sizeof(ss))
1529 memcpy(&ss, data, datalen);
1530 if (datalen < sizeof(struct sockaddr) ||
1531 datalen != ss.ss_len)
1533 ktrsockaddr((struct sockaddr *)&ss);
1535 printf("unknown structure\n");
1539 printf("invalid record\n");
1543 ktrfault(struct ktr_fault *ktr)
1546 printf("0x%jx ", ktr->vaddr);
1547 vmprotname(ktr->type);
1552 ktrfaultend(struct ktr_faultend *ktr)
1555 vmresultname(ktr->result);
1559 #if defined(__amd64__) || defined(__i386__)
1561 linux_ktrsyscall(struct ktr_syscall *ktr)
1563 int narg = ktr->ktr_narg;
1566 if (ktr->ktr_code >= nlinux_syscalls || ktr->ktr_code < 0)
1567 printf("[%d]", ktr->ktr_code);
1569 printf("%s", linux_syscallnames[ktr->ktr_code]);
1570 ip = &ktr->ktr_args[0];
1574 print_number(ip, narg, c);
1581 linux_ktrsysret(struct ktr_sysret *ktr)
1583 register_t ret = ktr->ktr_retval;
1584 int error = ktr->ktr_error;
1585 int code = ktr->ktr_code;
1587 if (code >= nlinux_syscalls || code < 0)
1588 printf("[%d] ", code);
1590 printf("%s ", linux_syscallnames[code]);
1594 printf("%ld", (long)ret);
1595 if (ret < 0 || ret > 9)
1596 printf("/%#lx", (long)ret);
1599 printf("%ld", (long)ret);
1601 printf("%#lx", (long)ret);
1603 } else if (error == ERESTART)
1605 else if (error == EJUSTRETURN)
1606 printf("JUSTRETURN");
1608 if (ktr->ktr_error <= ELAST + 1)
1609 error = abs(bsd_to_linux_errno[ktr->ktr_error]);
1612 printf("-1 errno %d", error);
1614 printf(" %s", strerror(ktr->ktr_error));
1623 fprintf(stderr, "usage: kdump [-dEnlHRrsTA] [-f trfile] "
1624 "[-m maxdata] [-p pid] [-t trstr]\n");