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 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 static const char copyright[] =
36 "@(#) Copyright (c) 1988, 1993\n\
37 The Regents of the University of California. All rights reserved.\n";
42 static char sccsid[] = "@(#)kdump.c 8.1 (Berkeley) 6/6/93";
45 #include <sys/cdefs.h>
46 __FBSDID("$FreeBSD$");
50 #include <sys/errno.h>
52 #include <sys/param.h>
53 #include <sys/errno.h>
58 #include <sys/ktrace.h>
59 #include <sys/ioctl.h>
60 #include <sys/socket.h>
62 #include <sys/sysent.h>
64 #include <sys/queue.h>
66 #include <sys/types.h>
67 #include <netipx/ipx.h>
70 #include <netatalk/at.h>
72 #include <arpa/inet.h>
73 #include <netinet/in.h>
88 #include "kdump_subr.h"
90 u_int abidump(struct ktr_header *);
91 int fetchprocinfo(struct ktr_header *, u_int *);
92 int fread_tail(void *, int, int);
93 void dumpheader(struct ktr_header *);
94 void ktrsyscall(struct ktr_syscall *, u_int);
95 void ktrsysret(struct ktr_sysret *, u_int);
96 void ktrnamei(char *, int);
97 void hexdump(char *, int, int);
98 void visdump(char *, int, int);
99 void ktrgenio(struct ktr_genio *, int);
100 void ktrpsig(struct ktr_psig *);
101 void ktrcsw(struct ktr_csw *);
102 void ktruser(int, unsigned char *);
103 void ktrsockaddr(struct sockaddr *);
104 void ktrstat(struct stat *);
105 void ktrstruct(char *, size_t);
107 void sockfamilyname(int);
108 const char *ioctlname(u_long);
110 int timestamp, decimal, fancy = 1, suppressdata, tail, threads, maxdata,
111 resolv = 0, abiflag = 0;
112 const char *tracefile = DEF_TRACEFILE;
113 struct ktr_header ktr_header;
115 #define TIME_FORMAT "%b %e %T %Y"
116 #define eqs(s1, s2) (strcmp((s1), (s2)) == 0)
118 #define print_number(i,n,c) do { \
120 printf("%c%ld", c, (long)*i); \
122 printf("%c%#lx", c, (long)*i); \
128 #if defined(__amd64__) || defined(__i386__)
130 void linux_ktrsyscall(struct ktr_syscall *);
131 void linux_ktrsysret(struct ktr_sysret *);
132 extern char *linux_syscallnames[];
133 extern int nlinux_syscalls;
137 * Linux syscalls return negative errno's, we do positive and map them
139 static int bsd_to_linux_errno[ELAST + 1] = {
140 -0, -1, -2, -3, -4, -5, -6, -7, -8, -9,
141 -10, -35, -12, -13, -14, -15, -16, -17, -18, -19,
142 -20, -21, -22, -23, -24, -25, -26, -27, -28, -29,
143 -30, -31, -32, -33, -34, -11,-115,-114, -88, -89,
144 -90, -91, -92, -93, -94, -95, -96, -97, -98, -99,
145 -100,-101,-102,-103,-104,-105,-106,-107,-108,-109,
146 -110,-111, -40, -36,-112,-113, -39, -11, -87,-122,
147 -116, -66, -6, -6, -6, -6, -6, -37, -38, -9,
148 -6, -6, -43, -42, -75,-125, -84, -95, -16, -74,
155 TAILQ_ENTRY(proc_info) info;
160 TAILQ_HEAD(trace_procs, proc_info) trace_procs;
163 main(int argc, char *argv[])
165 int ch, ktrlen, size;
167 int trpoints = ALL_POINTS;
172 (void) setlocale(LC_CTYPE, "");
174 while ((ch = getopt(argc,argv,"f:dElm:np:AHRrsTt:")) != -1)
189 maxdata = atoi(optarg);
204 timestamp = 3; /* elapsed timestamp */
210 timestamp = 2; /* relative timestamp */
216 trpoints = getpoints(optarg);
218 errx(1, "unknown trace point in %s", optarg);
227 m = (void *)malloc(size = 1025);
229 errx(1, "%s", strerror(ENOMEM));
230 if (!freopen(tracefile, "r", stdin))
231 err(1, "%s", tracefile);
232 TAILQ_INIT(&trace_procs);
234 while (fread_tail(&ktr_header, sizeof(struct ktr_header), 1)) {
235 if (ktr_header.ktr_type & KTR_DROP) {
236 ktr_header.ktr_type &= ~KTR_DROP;
237 if (!drop_logged && threads) {
239 "%6jd %6jd %-8.*s Events dropped.\n",
240 (intmax_t)ktr_header.ktr_pid,
241 ktr_header.ktr_tid > 0 ?
242 (intmax_t)ktr_header.ktr_tid : 0,
243 MAXCOMLEN, ktr_header.ktr_comm);
245 } else if (!drop_logged) {
246 (void)printf("%6jd %-8.*s Events dropped.\n",
247 (intmax_t)ktr_header.ktr_pid, MAXCOMLEN,
248 ktr_header.ktr_comm);
252 if (trpoints & (1<<ktr_header.ktr_type))
253 if (pid == 0 || ktr_header.ktr_pid == 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)
270 if ((trpoints & (1<<ktr_header.ktr_type)) == 0)
273 switch (ktr_header.ktr_type) {
275 #if defined(__amd64__) || defined(__i386__)
276 if ((sv_flags & SV_ABI_MASK) == SV_ABI_LINUX)
277 linux_ktrsyscall((struct ktr_syscall *)m);
280 ktrsyscall((struct ktr_syscall *)m, sv_flags);
283 #if defined(__amd64__) || defined(__i386__)
284 if ((sv_flags & SV_ABI_MASK) == SV_ABI_LINUX)
285 linux_ktrsysret((struct ktr_sysret *)m);
288 ktrsysret((struct ktr_sysret *)m, sv_flags);
295 ktrgenio((struct ktr_genio *)m, ktrlen);
298 ktrpsig((struct ktr_psig *)m);
301 ktrcsw((struct ktr_csw *)m);
307 ktrstruct(m, ktrlen);
314 (void)fflush(stdout);
320 fread_tail(void *buf, int size, int num)
324 while ((i = fread(buf, size, num, stdin)) == 0 && tail) {
332 fetchprocinfo(struct ktr_header *kth, u_int *flags)
334 struct proc_info *pi;
336 switch (kth->ktr_type) {
338 TAILQ_FOREACH(pi, &trace_procs, info) {
339 if (pi->pid == kth->ktr_pid) {
340 TAILQ_REMOVE(&trace_procs, pi, info);
344 pi = malloc(sizeof(struct proc_info));
346 errx(1, "%s", strerror(ENOMEM));
347 pi->sv_flags = *flags;
348 pi->pid = kth->ktr_pid;
349 TAILQ_INSERT_TAIL(&trace_procs, pi, info);
353 TAILQ_FOREACH(pi, &trace_procs, info) {
354 if (pi->pid == kth->ktr_pid) {
355 TAILQ_REMOVE(&trace_procs, pi, info);
367 abidump(struct ktr_header *kth)
369 struct proc_info *pi;
374 TAILQ_FOREACH(pi, &trace_procs, info) {
375 if (pi->pid == kth->ktr_pid) {
376 flags = pi->sv_flags;
384 switch (flags & SV_ABI_MASK) {
404 printf("%s%s ", abi, arch);
410 dumpheader(struct ktr_header *kth)
412 static char unknown[64];
413 static struct timeval prevtime, temp;
416 switch (kth->ktr_type) {
449 (void)sprintf(unknown, "UNKNOWN(%d)", kth->ktr_type);
454 * The ktr_tid field was previously the ktr_buffer field, which held
455 * the kernel pointer value for the buffer associated with data
456 * following the record header. It now holds a threadid, but only
457 * for trace files after the change. Older trace files still contain
458 * kernel pointers. Detect this and suppress the results by printing
459 * negative tid's as 0.
462 (void)printf("%6jd %6jd %-8.*s ", (intmax_t)kth->ktr_pid,
463 kth->ktr_tid > 0 ? (intmax_t)kth->ktr_tid : 0,
464 MAXCOMLEN, kth->ktr_comm);
466 (void)printf("%6jd %-8.*s ", (intmax_t)kth->ktr_pid, MAXCOMLEN,
469 if (timestamp == 3) {
470 if (prevtime.tv_sec == 0)
471 prevtime = kth->ktr_time;
472 timevalsub(&kth->ktr_time, &prevtime);
474 if (timestamp == 2) {
475 temp = kth->ktr_time;
476 timevalsub(&kth->ktr_time, &prevtime);
479 (void)printf("%jd.%06ld ", (intmax_t)kth->ktr_time.tv_sec,
480 kth->ktr_time.tv_usec);
482 (void)printf("%s ", type);
485 #include <sys/syscall.h>
487 #include <sys/kern/syscalls.c>
489 int nsyscalls = sizeof (syscallnames) / sizeof (syscallnames[0]);
492 ktrsyscall(struct ktr_syscall *ktr, u_int flags)
494 int narg = ktr->ktr_narg;
497 if ((flags != 0 && ((flags & SV_ABI_MASK) != SV_ABI_FREEBSD)) ||
498 (ktr->ktr_code >= nsyscalls || ktr->ktr_code < 0))
499 (void)printf("[%d]", ktr->ktr_code);
501 (void)printf("%s", syscallnames[ktr->ktr_code]);
502 ip = &ktr->ktr_args[0];
506 (flags == 0 || (flags & SV_ABI_MASK) == SV_ABI_FREEBSD)) {
507 if (ktr->ktr_code == SYS_ioctl) {
509 print_number(ip,narg,c);
510 if ((cp = ioctlname(*ip)) != NULL)
511 (void)printf(",%s", cp);
514 (void)printf(",%ld", (long)*ip);
516 (void)printf(",%#lx ", (long)*ip);
521 } else if (ktr->ktr_code == SYS_ptrace) {
523 ptraceopname ((int)*ip);
527 } else if (ktr->ktr_code == SYS_access ||
528 ktr->ktr_code == SYS_eaccess) {
529 print_number(ip,narg,c);
531 accessmodename ((int)*ip);
534 } else if (ktr->ktr_code == SYS_open) {
537 print_number(ip,narg,c);
541 flagsandmodename (flags, mode, decimal);
544 } else if (ktr->ktr_code == SYS_wait4) {
545 print_number(ip,narg,c);
546 print_number(ip,narg,c);
548 wait4optname ((int)*ip);
551 } else if (ktr->ktr_code == SYS_chmod ||
552 ktr->ktr_code == SYS_fchmod ||
553 ktr->ktr_code == SYS_lchmod) {
554 print_number(ip,narg,c);
559 } else if (ktr->ktr_code == SYS_mknod) {
560 print_number(ip,narg,c);
565 } else if (ktr->ktr_code == SYS_getfsstat) {
566 print_number(ip,narg,c);
567 print_number(ip,narg,c);
569 getfsstatflagsname ((int)*ip);
572 } else if (ktr->ktr_code == SYS_mount) {
573 print_number(ip,narg,c);
574 print_number(ip,narg,c);
576 mountflagsname ((int)*ip);
579 } else if (ktr->ktr_code == SYS_unmount) {
580 print_number(ip,narg,c);
582 mountflagsname ((int)*ip);
585 } else if (ktr->ktr_code == SYS_recvmsg ||
586 ktr->ktr_code == SYS_sendmsg) {
587 print_number(ip,narg,c);
588 print_number(ip,narg,c);
590 sendrecvflagsname ((int)*ip);
593 } else if (ktr->ktr_code == SYS_recvfrom ||
594 ktr->ktr_code == SYS_sendto) {
595 print_number(ip,narg,c);
596 print_number(ip,narg,c);
597 print_number(ip,narg,c);
599 sendrecvflagsname ((int)*ip);
602 } else if (ktr->ktr_code == SYS_chflags ||
603 ktr->ktr_code == SYS_fchflags ||
604 ktr->ktr_code == SYS_lchflags) {
605 print_number(ip,narg,c);
610 } else if (ktr->ktr_code == SYS_kill) {
611 print_number(ip,narg,c);
616 } else if (ktr->ktr_code == SYS_reboot) {
618 rebootoptname((int)*ip);
621 } else if (ktr->ktr_code == SYS_umask) {
626 } else if (ktr->ktr_code == SYS_msync) {
627 print_number(ip,narg,c);
628 print_number(ip,narg,c);
630 msyncflagsname((int)*ip);
633 #ifdef SYS_freebsd6_mmap
634 } else if (ktr->ktr_code == SYS_freebsd6_mmap) {
635 print_number(ip,narg,c);
636 print_number(ip,narg,c);
638 mmapprotname ((int)*ip);
642 mmapflagsname ((int)*ip);
646 } else if (ktr->ktr_code == SYS_mmap) {
647 print_number(ip,narg,c);
648 print_number(ip,narg,c);
650 mmapprotname ((int)*ip);
654 mmapflagsname ((int)*ip);
657 } else if (ktr->ktr_code == SYS_mprotect) {
658 print_number(ip,narg,c);
659 print_number(ip,narg,c);
661 mmapprotname ((int)*ip);
664 } else if (ktr->ktr_code == SYS_madvise) {
665 print_number(ip,narg,c);
666 print_number(ip,narg,c);
668 madvisebehavname((int)*ip);
671 } else if (ktr->ktr_code == SYS_setpriority) {
672 print_number(ip,narg,c);
673 print_number(ip,narg,c);
678 } else if (ktr->ktr_code == SYS_fcntl) {
681 print_number(ip,narg,c);
685 fcntlcmdname(cmd, arg, decimal);
688 } else if (ktr->ktr_code == SYS_socket) {
692 sockdomainname(sockdomain);
696 socktypename((int)*ip);
699 if (sockdomain == PF_INET ||
700 sockdomain == PF_INET6) {
702 sockipprotoname((int)*ip);
707 } else if (ktr->ktr_code == SYS_setsockopt ||
708 ktr->ktr_code == SYS_getsockopt) {
709 print_number(ip,narg,c);
711 sockoptlevelname((int)*ip, decimal);
712 if ((int)*ip == SOL_SOCKET) {
716 sockoptname((int)*ip);
720 #ifdef SYS_freebsd6_lseek
721 } else if (ktr->ktr_code == SYS_freebsd6_lseek) {
722 print_number(ip,narg,c);
723 /* Hidden 'pad' argument, not in lseek(2) */
724 print_number(ip,narg,c);
725 print_number(ip,narg,c);
727 whencename ((int)*ip);
731 } else if (ktr->ktr_code == SYS_lseek) {
732 print_number(ip,narg,c);
733 /* Hidden 'pad' argument, not in lseek(2) */
734 print_number(ip,narg,c);
736 whencename ((int)*ip);
740 } else if (ktr->ktr_code == SYS_flock) {
741 print_number(ip,narg,c);
746 } else if (ktr->ktr_code == SYS_mkfifo ||
747 ktr->ktr_code == SYS_mkdir) {
748 print_number(ip,narg,c);
753 } else if (ktr->ktr_code == SYS_shutdown) {
754 print_number(ip,narg,c);
756 shutdownhowname((int)*ip);
759 } else if (ktr->ktr_code == SYS_socketpair) {
761 sockdomainname((int)*ip);
765 socktypename((int)*ip);
769 } else if (ktr->ktr_code == SYS_getrlimit ||
770 ktr->ktr_code == SYS_setrlimit) {
772 rlimitname((int)*ip);
776 } else if (ktr->ktr_code == SYS_quotactl) {
777 print_number(ip,narg,c);
779 quotactlname((int)*ip);
783 } else if (ktr->ktr_code == SYS_nfssvc) {
785 nfssvcname((int)*ip);
789 } else if (ktr->ktr_code == SYS_rtprio) {
791 rtprioname((int)*ip);
795 } else if (ktr->ktr_code == SYS___semctl) {
796 print_number(ip,narg,c);
797 print_number(ip,narg,c);
799 semctlname((int)*ip);
802 } else if (ktr->ktr_code == SYS_semget) {
803 print_number(ip,narg,c);
804 print_number(ip,narg,c);
806 semgetname((int)*ip);
809 } else if (ktr->ktr_code == SYS_msgctl) {
810 print_number(ip,narg,c);
812 shmctlname((int)*ip);
815 } else if (ktr->ktr_code == SYS_shmat) {
816 print_number(ip,narg,c);
817 print_number(ip,narg,c);
822 } else if (ktr->ktr_code == SYS_shmctl) {
823 print_number(ip,narg,c);
825 shmctlname((int)*ip);
828 } else if (ktr->ktr_code == SYS_minherit) {
829 print_number(ip,narg,c);
830 print_number(ip,narg,c);
832 minheritname((int)*ip);
835 } else if (ktr->ktr_code == SYS_rfork) {
841 } else if (ktr->ktr_code == SYS_lio_listio) {
843 lio_listioname((int)*ip);
847 } else if (ktr->ktr_code == SYS_mlockall) {
849 mlockallname((int)*ip);
852 } else if (ktr->ktr_code == SYS_sched_setscheduler) {
853 print_number(ip,narg,c);
855 schedpolicyname((int)*ip);
858 } else if (ktr->ktr_code == SYS_sched_get_priority_max ||
859 ktr->ktr_code == SYS_sched_get_priority_min) {
861 schedpolicyname((int)*ip);
864 } else if (ktr->ktr_code == SYS_sendfile) {
865 print_number(ip,narg,c);
866 print_number(ip,narg,c);
867 print_number(ip,narg,c);
868 print_number(ip,narg,c);
869 print_number(ip,narg,c);
870 print_number(ip,narg,c);
872 sendfileflagsname((int)*ip);
875 } else if (ktr->ktr_code == SYS_kldsym) {
876 print_number(ip,narg,c);
878 kldsymcmdname((int)*ip);
881 } else if (ktr->ktr_code == SYS_sigprocmask) {
883 sigprocmaskhowname((int)*ip);
887 } else if (ktr->ktr_code == SYS___acl_get_file ||
888 ktr->ktr_code == SYS___acl_set_file ||
889 ktr->ktr_code == SYS___acl_get_fd ||
890 ktr->ktr_code == SYS___acl_set_fd ||
891 ktr->ktr_code == SYS___acl_delete_file ||
892 ktr->ktr_code == SYS___acl_delete_fd ||
893 ktr->ktr_code == SYS___acl_aclcheck_file ||
894 ktr->ktr_code == SYS___acl_aclcheck_fd ||
895 ktr->ktr_code == SYS___acl_get_link ||
896 ktr->ktr_code == SYS___acl_set_link ||
897 ktr->ktr_code == SYS___acl_delete_link ||
898 ktr->ktr_code == SYS___acl_aclcheck_link) {
899 print_number(ip,narg,c);
901 acltypename((int)*ip);
904 } else if (ktr->ktr_code == SYS_sigaction) {
910 } else if (ktr->ktr_code == SYS_extattrctl) {
911 print_number(ip,narg,c);
913 extattrctlname((int)*ip);
916 } else if (ktr->ktr_code == SYS_nmount) {
917 print_number(ip,narg,c);
918 print_number(ip,narg,c);
920 mountflagsname ((int)*ip);
923 } else if (ktr->ktr_code == SYS_thr_create) {
924 print_number(ip,narg,c);
925 print_number(ip,narg,c);
927 thrcreateflagsname ((int)*ip);
930 } else if (ktr->ktr_code == SYS_thr_kill) {
931 print_number(ip,narg,c);
936 } else if (ktr->ktr_code == SYS_kldunloadf) {
937 print_number(ip,narg,c);
939 kldunloadfflagsname ((int)*ip);
945 print_number(ip,narg,c);
953 ktrsysret(struct ktr_sysret *ktr, u_int flags)
955 register_t ret = ktr->ktr_retval;
956 int error = ktr->ktr_error;
957 int code = ktr->ktr_code;
959 if ((flags != 0 && ((flags & SV_ABI_MASK) != SV_ABI_FREEBSD)) ||
960 (code >= nsyscalls || code < 0))
961 (void)printf("[%d] ", code);
963 (void)printf("%s ", syscallnames[code]);
967 (void)printf("%ld", (long)ret);
968 if (ret < 0 || ret > 9)
969 (void)printf("/%#lx", (long)ret);
972 (void)printf("%ld", (long)ret);
974 (void)printf("%#lx", (long)ret);
976 } else if (error == ERESTART)
977 (void)printf("RESTART");
978 else if (error == EJUSTRETURN)
979 (void)printf("JUSTRETURN");
981 (void)printf("-1 errno %d", ktr->ktr_error);
983 (void)printf(" %s", strerror(ktr->ktr_error));
989 ktrnamei(char *cp, int len)
991 (void)printf("\"%.*s\"\n", len, cp);
995 hexdump(char *p, int len, int screenwidth)
1003 i = 13; /* base offset */
1004 i += (width / 2) + 1; /* spaces every second byte */
1005 i += (width * 2); /* width of bytes */
1007 i += width; /* each byte */
1009 } while (i < screenwidth);
1012 for (n = 0; n < len; n += width) {
1013 for (i = n; i < n + width; i++) {
1014 if ((i % width) == 0) { /* beginning of line */
1015 printf(" 0x%04x", i);
1021 printf("%02x", p[i] & 0xff);
1026 for (i = n; i < n + width; i++) {
1029 if (p[i] >= ' ' && p[i] <= '~')
1036 if ((i % width) != 0)
1041 visdump(char *dp, int datalen, int screenwidth)
1048 (void)printf(" \"");
1050 for (;datalen > 0; datalen--, dp++) {
1051 (void) vis(visbuf, *dp, VIS_CSTYLE, *(dp+1));
1054 * Keep track of printables and
1055 * space chars (like fold(1)).
1058 (void)putchar('\t');
1064 (void)putchar('\n');
1067 width = 8 - (col&07);
1072 if (col + width > (screenwidth-2)) {
1073 (void)printf("\\\n\t");
1078 (void)putchar(*cp++);
1083 (void)printf("\"\n");
1087 ktrgenio(struct ktr_genio *ktr, int len)
1089 int datalen = len - sizeof (struct ktr_genio);
1090 char *dp = (char *)ktr + sizeof (struct ktr_genio);
1091 static int screenwidth = 0;
1094 if (screenwidth == 0) {
1097 if (fancy && ioctl(fileno(stderr), TIOCGWINSZ, &ws) != -1 &&
1099 screenwidth = ws.ws_col;
1103 printf("fd %d %s %d byte%s\n", ktr->ktr_fd,
1104 ktr->ktr_rw == UIO_READ ? "read" : "wrote", datalen,
1105 datalen == 1 ? "" : "s");
1108 if (maxdata && datalen > maxdata)
1111 for (i = 0, binary = 0; i < datalen && binary == 0; i++) {
1112 if (dp[i] >= 32 && dp[i] < 127)
1114 if (dp[i] == 10 || dp[i] == 13 || dp[i] == 0 || dp[i] == 9)
1119 hexdump(dp, datalen, screenwidth);
1121 visdump(dp, datalen, screenwidth);
1124 const char *signames[] = {
1125 "NULL", "HUP", "INT", "QUIT", "ILL", "TRAP", "IOT", /* 1 - 6 */
1126 "EMT", "FPE", "KILL", "BUS", "SEGV", "SYS", /* 7 - 12 */
1127 "PIPE", "ALRM", "TERM", "URG", "STOP", "TSTP", /* 13 - 18 */
1128 "CONT", "CHLD", "TTIN", "TTOU", "IO", "XCPU", /* 19 - 24 */
1129 "XFSZ", "VTALRM", "PROF", "WINCH", "29", "USR1", /* 25 - 30 */
1130 "USR2", NULL, /* 31 - 32 */
1134 ktrpsig(struct ktr_psig *psig)
1136 if (psig->signo > 0 && psig->signo < NSIG)
1137 (void)printf("SIG%s ", signames[psig->signo]);
1139 (void)printf("SIG %d ", psig->signo);
1140 if (psig->action == SIG_DFL)
1141 (void)printf("SIG_DFL code=0x%x\n", psig->code);
1143 (void)printf("caught handler=0x%lx mask=0x%x code=0x%x\n",
1144 (u_long)psig->action, psig->mask.__bits[0], psig->code);
1149 ktrcsw(struct ktr_csw *cs)
1151 (void)printf("%s %s\n", cs->out ? "stop" : "resume",
1152 cs->user ? "user" : "kernel");
1155 #define UTRACE_DLOPEN_START 1
1156 #define UTRACE_DLOPEN_STOP 2
1157 #define UTRACE_DLCLOSE_START 3
1158 #define UTRACE_DLCLOSE_STOP 4
1159 #define UTRACE_LOAD_OBJECT 5
1160 #define UTRACE_UNLOAD_OBJECT 6
1161 #define UTRACE_ADD_RUNDEP 7
1162 #define UTRACE_PRELOAD_FINISHED 8
1163 #define UTRACE_INIT_CALL 9
1164 #define UTRACE_FINI_CALL 10
1166 struct utrace_rtld {
1167 char sig[4]; /* 'RTLD' */
1173 char name[MAXPATHLEN];
1177 ktruser_rtld(int len, unsigned char *p)
1179 struct utrace_rtld *ut = (struct utrace_rtld *)p;
1183 switch (ut->event) {
1184 case UTRACE_DLOPEN_START:
1186 printf("dlopen(%s, ", ut->name);
1187 switch (mode & RTLD_MODEMASK) {
1192 printf("RTLD_LAZY");
1195 printf("%#x", mode & RTLD_MODEMASK);
1197 if (mode & RTLD_GLOBAL)
1198 printf(" | RTLD_GLOBAL");
1199 if (mode & RTLD_TRACE)
1200 printf(" | RTLD_TRACE");
1201 if (mode & ~(RTLD_MODEMASK | RTLD_GLOBAL | RTLD_TRACE))
1202 printf(" | %#x", mode &
1203 ~(RTLD_MODEMASK | RTLD_GLOBAL | RTLD_TRACE));
1206 case UTRACE_DLOPEN_STOP:
1207 printf("%p = dlopen(%s) ref %d\n", ut->handle, ut->name,
1210 case UTRACE_DLCLOSE_START:
1211 printf("dlclose(%p) (%s, %d)\n", ut->handle, ut->name,
1214 case UTRACE_DLCLOSE_STOP:
1215 printf("dlclose(%p) finished\n", ut->handle);
1217 case UTRACE_LOAD_OBJECT:
1218 printf("RTLD: loaded %p @ %p - %p (%s)\n", ut->handle,
1219 ut->mapbase, (char *)ut->mapbase + ut->mapsize - 1,
1222 case UTRACE_UNLOAD_OBJECT:
1223 printf("RTLD: unloaded %p @ %p - %p (%s)\n", ut->handle,
1224 ut->mapbase, (char *)ut->mapbase + ut->mapsize - 1,
1227 case UTRACE_ADD_RUNDEP:
1228 parent = ut->mapbase;
1229 printf("RTLD: %p now depends on %p (%s, %d)\n", parent,
1230 ut->handle, ut->name, ut->refcnt);
1232 case UTRACE_PRELOAD_FINISHED:
1233 printf("RTLD: LD_PRELOAD finished\n");
1235 case UTRACE_INIT_CALL:
1236 printf("RTLD: init %p for %p (%s)\n", ut->mapbase, ut->handle,
1239 case UTRACE_FINI_CALL:
1240 printf("RTLD: fini %p for %p (%s)\n", ut->mapbase, ut->handle,
1246 printf("RTLD: %d ", len);
1249 printf(" %d", *p++);
1251 printf(" %02x", *p++);
1256 struct utrace_malloc {
1263 ktruser_malloc(int len, unsigned char *p)
1265 struct utrace_malloc *ut = (struct utrace_malloc *)p;
1267 if (ut->p == NULL) {
1268 if (ut->s == 0 && ut->r == NULL)
1269 printf("malloc_init()\n");
1271 printf("%p = malloc(%zu)\n", ut->r, ut->s);
1274 printf("free(%p)\n", ut->p);
1276 printf("%p = realloc(%p, %zu)\n", ut->r, ut->p, ut->s);
1281 ktruser(int len, unsigned char *p)
1284 if (len >= 8 && bcmp(p, "RTLD", 4) == 0) {
1285 ktruser_rtld(len, p);
1289 if (len == sizeof(struct utrace_malloc)) {
1290 ktruser_malloc(len, p);
1294 (void)printf("%d ", len);
1297 (void)printf(" %d", *p++);
1299 (void)printf(" %02x", *p++);
1304 ktrsockaddr(struct sockaddr *sa)
1307 TODO: Support additional address families
1308 #include <netnatm/natm.h>
1309 struct sockaddr_natm *natm;
1310 #include <netsmb/netbios.h>
1311 struct sockaddr_nb *nb;
1316 * note: ktrstruct() has already verified that sa points to a
1317 * buffer at least sizeof(struct sockaddr) bytes long and exactly
1318 * sa->sa_len bytes long.
1320 printf("struct sockaddr { ");
1321 sockfamilyname(sa->sa_family);
1324 #define check_sockaddr_len(n) \
1325 if (sa_##n->s##n##_len < sizeof(struct sockaddr_##n)) { \
1326 printf("invalid"); \
1330 switch(sa->sa_family) {
1332 struct sockaddr_in *sa_in;
1334 sa_in = (struct sockaddr_in *)sa;
1335 check_sockaddr_len(in);
1336 inet_ntop(AF_INET, &sa_in->sin_addr, addr, sizeof addr);
1337 printf("%s:%u", addr, ntohs(sa_in->sin_port));
1341 case AF_APPLETALK: {
1342 struct sockaddr_at *sa_at;
1343 struct netrange *nr;
1345 sa_at = (struct sockaddr_at *)sa;
1346 check_sockaddr_len(at);
1347 nr = &sa_at->sat_range.r_netrange;
1348 printf("%d.%d, %d-%d, %d", ntohs(sa_at->sat_addr.s_net),
1349 sa_at->sat_addr.s_node, ntohs(nr->nr_firstnet),
1350 ntohs(nr->nr_lastnet), nr->nr_phase);
1355 struct sockaddr_in6 *sa_in6;
1357 sa_in6 = (struct sockaddr_in6 *)sa;
1358 check_sockaddr_len(in6);
1359 inet_ntop(AF_INET6, &sa_in6->sin6_addr, addr, sizeof addr);
1360 printf("[%s]:%u", addr, htons(sa_in6->sin6_port));
1365 struct sockaddr_ipx *sa_ipx;
1367 sa_ipx = (struct sockaddr_ipx *)sa;
1368 check_sockaddr_len(ipx);
1369 /* XXX wish we had ipx_ntop */
1370 printf("%s", ipx_ntoa(sa_ipx->sipx_addr));
1375 struct sockaddr_un *sa_un;
1377 sa_un = (struct sockaddr_un *)sa;
1378 check_sockaddr_len(un);
1379 printf("%.*s", (int)sizeof(sa_un->sun_path), sa_un->sun_path);
1383 printf("unknown address family");
1389 ktrstat(struct stat *statp)
1391 char mode[12], timestr[PATH_MAX + 4];
1397 * note: ktrstruct() has already verified that statp points to a
1398 * buffer exactly sizeof(struct stat) bytes long.
1400 printf("struct stat {");
1401 strmode(statp->st_mode, mode);
1402 printf("dev=%ju, ino=%ju, mode=%s, nlink=%ju, ",
1403 (uintmax_t)statp->st_dev, (uintmax_t)statp->st_ino, mode,
1404 (uintmax_t)statp->st_nlink);
1405 if (resolv == 0 || (pwd = getpwuid(statp->st_uid)) == NULL)
1406 printf("uid=%ju, ", (uintmax_t)statp->st_uid);
1408 printf("uid=\"%s\", ", pwd->pw_name);
1409 if (resolv == 0 || (grp = getgrgid(statp->st_gid)) == NULL)
1410 printf("gid=%ju, ", (uintmax_t)statp->st_gid);
1412 printf("gid=\"%s\", ", grp->gr_name);
1413 printf("rdev=%ju, ", (uintmax_t)statp->st_rdev);
1416 printf("%jd", (intmax_t)statp->st_atimespec.tv_sec);
1418 tm = localtime(&statp->st_atimespec.tv_sec);
1419 (void)strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
1420 printf("\"%s\"", timestr);
1422 if (statp->st_atimespec.tv_nsec != 0)
1423 printf(".%09ld, ", statp->st_atimespec.tv_nsec);
1428 printf("%jd", (intmax_t)statp->st_mtimespec.tv_sec);
1430 tm = localtime(&statp->st_mtimespec.tv_sec);
1431 (void)strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
1432 printf("\"%s\"", timestr);
1434 if (statp->st_mtimespec.tv_nsec != 0)
1435 printf(".%09ld, ", statp->st_mtimespec.tv_nsec);
1440 printf("%jd", (intmax_t)statp->st_ctimespec.tv_sec);
1442 tm = localtime(&statp->st_ctimespec.tv_sec);
1443 (void)strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
1444 printf("\"%s\"", timestr);
1446 if (statp->st_ctimespec.tv_nsec != 0)
1447 printf(".%09ld, ", statp->st_ctimespec.tv_nsec);
1450 printf("birthtime=");
1452 printf("%jd", (intmax_t)statp->st_birthtimespec.tv_sec);
1454 tm = localtime(&statp->st_birthtimespec.tv_sec);
1455 (void)strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
1456 printf("\"%s\"", timestr);
1458 if (statp->st_birthtimespec.tv_nsec != 0)
1459 printf(".%09ld, ", statp->st_birthtimespec.tv_nsec);
1462 printf("size=%jd, blksize=%ju, blocks=%jd, flags=0x%x",
1463 (uintmax_t)statp->st_size, (uintmax_t)statp->st_blksize,
1464 (intmax_t)statp->st_blocks, statp->st_flags);
1469 ktrstruct(char *buf, size_t buflen)
1472 size_t namelen, datalen;
1475 for (name = buf, namelen = 0;
1476 namelen < buflen && name[namelen] != '\0';
1479 if (namelen == buflen)
1481 if (name[namelen] != '\0')
1483 data = buf + namelen + 1;
1484 datalen = buflen - namelen - 1;
1488 for (i = 0; i < namelen; ++i)
1489 if (!isalpha((unsigned char)name[i]))
1491 if (strcmp(name, "stat") == 0) {
1492 if (datalen != sizeof(struct stat))
1494 ktrstat((struct stat *)data);
1495 } else if (strcmp(name, "sockaddr") == 0) {
1496 if (datalen < sizeof(struct sockaddr) ||
1497 datalen != ((struct sockaddr *)(data))->sa_len)
1499 ktrsockaddr((struct sockaddr *)data);
1501 printf("unknown structure\n");
1505 printf("invalid record\n");
1508 #if defined(__amd64__) || defined(__i386__)
1510 linux_ktrsyscall(struct ktr_syscall *ktr)
1512 int narg = ktr->ktr_narg;
1515 if (ktr->ktr_code >= nlinux_syscalls || ktr->ktr_code < 0)
1516 printf("[%d]", ktr->ktr_code);
1518 printf("%s", linux_syscallnames[ktr->ktr_code]);
1519 ip = &ktr->ktr_args[0];
1523 print_number(ip, narg, c);
1530 linux_ktrsysret(struct ktr_sysret *ktr)
1532 register_t ret = ktr->ktr_retval;
1533 int error = ktr->ktr_error;
1534 int code = ktr->ktr_code;
1536 if (code >= nlinux_syscalls || code < 0)
1537 printf("[%d] ", code);
1539 printf("%s ", linux_syscallnames[code]);
1543 printf("%ld", (long)ret);
1544 if (ret < 0 || ret > 9)
1545 printf("/%#lx", (long)ret);
1548 printf("%ld", (long)ret);
1550 printf("%#lx", (long)ret);
1552 } else if (error == ERESTART)
1554 else if (error == EJUSTRETURN)
1555 printf("JUSTRETURN");
1557 if (ktr->ktr_error <= ELAST + 1)
1558 error = abs(bsd_to_linux_errno[ktr->ktr_error]);
1561 printf("-1 errno %d", error);
1563 printf(" %s", strerror(ktr->ktr_error));
1572 fprintf(stderr, "usage: kdump [-dEnlHRrsTA] [-f trfile] "
1573 "[-m maxdata] [-p pid] [-t trstr]\n");