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 ktrcsw_old(struct ktr_csw_old *);
103 void ktruser(int, unsigned char *);
104 void ktrsockaddr(struct sockaddr *);
105 void ktrstat(struct stat *);
106 void ktrstruct(char *, size_t);
107 void ktrfault(struct ktr_fault *);
108 void ktrfaultend(struct ktr_faultend *);
110 void sockfamilyname(int);
111 const char *ioctlname(u_long);
113 int timestamp, decimal, fancy = 1, suppressdata, tail, threads, maxdata,
114 resolv = 0, abiflag = 0;
115 const char *tracefile = DEF_TRACEFILE;
116 struct ktr_header ktr_header;
118 #define TIME_FORMAT "%b %e %T %Y"
119 #define eqs(s1, s2) (strcmp((s1), (s2)) == 0)
121 #define print_number(i,n,c) do { \
123 printf("%c%ld", c, (long)*i); \
125 printf("%c%#lx", c, (long)*i); \
131 #if defined(__amd64__) || defined(__i386__)
133 void linux_ktrsyscall(struct ktr_syscall *);
134 void linux_ktrsysret(struct ktr_sysret *);
135 extern char *linux_syscallnames[];
136 extern int nlinux_syscalls;
140 * Linux syscalls return negative errno's, we do positive and map them
142 static int bsd_to_linux_errno[ELAST + 1] = {
143 -0, -1, -2, -3, -4, -5, -6, -7, -8, -9,
144 -10, -35, -12, -13, -14, -15, -16, -17, -18, -19,
145 -20, -21, -22, -23, -24, -25, -26, -27, -28, -29,
146 -30, -31, -32, -33, -34, -11,-115,-114, -88, -89,
147 -90, -91, -92, -93, -94, -95, -96, -97, -98, -99,
148 -100,-101,-102,-103,-104,-105,-106,-107,-108,-109,
149 -110,-111, -40, -36,-112,-113, -39, -11, -87,-122,
150 -116, -66, -6, -6, -6, -6, -6, -37, -38, -9,
151 -6, -6, -43, -42, -75,-125, -84, -95, -16, -74,
158 TAILQ_ENTRY(proc_info) info;
163 TAILQ_HEAD(trace_procs, proc_info) trace_procs;
166 main(int argc, char *argv[])
168 int ch, ktrlen, size;
170 int trpoints = ALL_POINTS;
175 (void) setlocale(LC_CTYPE, "");
177 while ((ch = getopt(argc,argv,"f:dElm:np:AHRrsTt:")) != -1)
192 maxdata = atoi(optarg);
207 timestamp = 3; /* elapsed timestamp */
213 timestamp = 2; /* relative timestamp */
219 trpoints = getpoints(optarg);
221 errx(1, "unknown trace point in %s", optarg);
230 m = (void *)malloc(size = 1025);
232 errx(1, "%s", strerror(ENOMEM));
233 if (!freopen(tracefile, "r", stdin))
234 err(1, "%s", tracefile);
235 TAILQ_INIT(&trace_procs);
237 while (fread_tail(&ktr_header, sizeof(struct ktr_header), 1)) {
238 if (ktr_header.ktr_type & KTR_DROP) {
239 ktr_header.ktr_type &= ~KTR_DROP;
240 if (!drop_logged && threads) {
242 "%6jd %6jd %-8.*s Events dropped.\n",
243 (intmax_t)ktr_header.ktr_pid,
244 ktr_header.ktr_tid > 0 ?
245 (intmax_t)ktr_header.ktr_tid : 0,
246 MAXCOMLEN, ktr_header.ktr_comm);
248 } else if (!drop_logged) {
249 (void)printf("%6jd %-8.*s Events dropped.\n",
250 (intmax_t)ktr_header.ktr_pid, MAXCOMLEN,
251 ktr_header.ktr_comm);
255 if (trpoints & (1<<ktr_header.ktr_type))
256 if (pid == 0 || ktr_header.ktr_pid == pid ||
257 ktr_header.ktr_tid == pid)
258 dumpheader(&ktr_header);
259 if ((ktrlen = ktr_header.ktr_len) < 0)
260 errx(1, "bogus length 0x%x", ktrlen);
262 m = (void *)realloc(m, ktrlen+1);
264 errx(1, "%s", strerror(ENOMEM));
267 if (ktrlen && fread_tail(m, ktrlen, 1) == 0)
268 errx(1, "data too short");
269 if (fetchprocinfo(&ktr_header, (u_int *)m) != 0)
271 sv_flags = abidump(&ktr_header);
272 if (pid && ktr_header.ktr_pid != pid &&
273 ktr_header.ktr_tid != pid)
275 if ((trpoints & (1<<ktr_header.ktr_type)) == 0)
278 switch (ktr_header.ktr_type) {
280 #if defined(__amd64__) || defined(__i386__)
281 if ((sv_flags & SV_ABI_MASK) == SV_ABI_LINUX)
282 linux_ktrsyscall((struct ktr_syscall *)m);
285 ktrsyscall((struct ktr_syscall *)m, sv_flags);
288 #if defined(__amd64__) || defined(__i386__)
289 if ((sv_flags & SV_ABI_MASK) == SV_ABI_LINUX)
290 linux_ktrsysret((struct ktr_sysret *)m);
293 ktrsysret((struct ktr_sysret *)m, sv_flags);
300 ktrgenio((struct ktr_genio *)m, ktrlen);
303 ktrpsig((struct ktr_psig *)m);
306 if (ktrlen == sizeof(struct ktr_csw_old))
307 ktrcsw_old((struct ktr_csw_old *)m);
309 ktrcsw((struct ktr_csw *)m);
315 ktrstruct(m, ktrlen);
318 ktrfault((struct ktr_fault *)m);
321 ktrfaultend((struct ktr_faultend *)m);
328 (void)fflush(stdout);
334 fread_tail(void *buf, int size, int num)
338 while ((i = fread(buf, size, num, stdin)) == 0 && tail) {
346 fetchprocinfo(struct ktr_header *kth, u_int *flags)
348 struct proc_info *pi;
350 switch (kth->ktr_type) {
352 TAILQ_FOREACH(pi, &trace_procs, info) {
353 if (pi->pid == kth->ktr_pid) {
354 TAILQ_REMOVE(&trace_procs, pi, info);
358 pi = malloc(sizeof(struct proc_info));
360 errx(1, "%s", strerror(ENOMEM));
361 pi->sv_flags = *flags;
362 pi->pid = kth->ktr_pid;
363 TAILQ_INSERT_TAIL(&trace_procs, pi, info);
367 TAILQ_FOREACH(pi, &trace_procs, info) {
368 if (pi->pid == kth->ktr_pid) {
369 TAILQ_REMOVE(&trace_procs, pi, info);
381 abidump(struct ktr_header *kth)
383 struct proc_info *pi;
388 TAILQ_FOREACH(pi, &trace_procs, info) {
389 if (pi->pid == kth->ktr_pid) {
390 flags = pi->sv_flags;
398 switch (flags & SV_ABI_MASK) {
418 printf("%s%s ", abi, arch);
424 dumpheader(struct ktr_header *kth)
426 static char unknown[64];
427 static struct timeval prevtime, temp;
430 switch (kth->ktr_type) {
469 (void)sprintf(unknown, "UNKNOWN(%d)", kth->ktr_type);
474 * The ktr_tid field was previously the ktr_buffer field, which held
475 * the kernel pointer value for the buffer associated with data
476 * following the record header. It now holds a threadid, but only
477 * for trace files after the change. Older trace files still contain
478 * kernel pointers. Detect this and suppress the results by printing
479 * negative tid's as 0.
482 (void)printf("%6jd %6jd %-8.*s ", (intmax_t)kth->ktr_pid,
483 kth->ktr_tid > 0 ? (intmax_t)kth->ktr_tid : 0,
484 MAXCOMLEN, kth->ktr_comm);
486 (void)printf("%6jd %-8.*s ", (intmax_t)kth->ktr_pid, MAXCOMLEN,
489 if (timestamp == 3) {
490 if (prevtime.tv_sec == 0)
491 prevtime = kth->ktr_time;
492 timevalsub(&kth->ktr_time, &prevtime);
494 if (timestamp == 2) {
495 temp = kth->ktr_time;
496 timevalsub(&kth->ktr_time, &prevtime);
499 (void)printf("%jd.%06ld ", (intmax_t)kth->ktr_time.tv_sec,
500 kth->ktr_time.tv_usec);
502 (void)printf("%s ", type);
505 #include <sys/syscall.h>
507 #include <sys/kern/syscalls.c>
509 int nsyscalls = sizeof (syscallnames) / sizeof (syscallnames[0]);
512 ktrsyscall(struct ktr_syscall *ktr, u_int flags)
514 int narg = ktr->ktr_narg;
517 if ((flags != 0 && ((flags & SV_ABI_MASK) != SV_ABI_FREEBSD)) ||
518 (ktr->ktr_code >= nsyscalls || ktr->ktr_code < 0))
519 (void)printf("[%d]", ktr->ktr_code);
521 (void)printf("%s", syscallnames[ktr->ktr_code]);
522 ip = &ktr->ktr_args[0];
526 (flags == 0 || (flags & SV_ABI_MASK) == SV_ABI_FREEBSD)) {
527 if (ktr->ktr_code == SYS_ioctl) {
529 print_number(ip,narg,c);
530 if ((cp = ioctlname(*ip)) != NULL)
531 (void)printf(",%s", cp);
534 (void)printf(",%ld", (long)*ip);
536 (void)printf(",%#lx ", (long)*ip);
541 } else if (ktr->ktr_code == SYS_ptrace) {
543 ptraceopname ((int)*ip);
547 } else if (ktr->ktr_code == SYS_access ||
548 ktr->ktr_code == SYS_eaccess) {
549 print_number(ip,narg,c);
551 accessmodename ((int)*ip);
554 } else if (ktr->ktr_code == SYS_open) {
557 print_number(ip,narg,c);
561 flagsandmodename (flags, mode, decimal);
564 } else if (ktr->ktr_code == SYS_wait4) {
565 print_number(ip,narg,c);
566 print_number(ip,narg,c);
568 wait4optname ((int)*ip);
571 } else if (ktr->ktr_code == SYS_chmod ||
572 ktr->ktr_code == SYS_fchmod ||
573 ktr->ktr_code == SYS_lchmod) {
574 print_number(ip,narg,c);
579 } else if (ktr->ktr_code == SYS_mknod) {
580 print_number(ip,narg,c);
585 } else if (ktr->ktr_code == SYS_getfsstat) {
586 print_number(ip,narg,c);
587 print_number(ip,narg,c);
589 getfsstatflagsname ((int)*ip);
592 } else if (ktr->ktr_code == SYS_mount) {
593 print_number(ip,narg,c);
594 print_number(ip,narg,c);
596 mountflagsname ((int)*ip);
599 } else if (ktr->ktr_code == SYS_unmount) {
600 print_number(ip,narg,c);
602 mountflagsname ((int)*ip);
605 } else if (ktr->ktr_code == SYS_recvmsg ||
606 ktr->ktr_code == SYS_sendmsg) {
607 print_number(ip,narg,c);
608 print_number(ip,narg,c);
610 sendrecvflagsname ((int)*ip);
613 } else if (ktr->ktr_code == SYS_recvfrom ||
614 ktr->ktr_code == SYS_sendto) {
615 print_number(ip,narg,c);
616 print_number(ip,narg,c);
617 print_number(ip,narg,c);
619 sendrecvflagsname ((int)*ip);
622 } else if (ktr->ktr_code == SYS_chflags ||
623 ktr->ktr_code == SYS_fchflags ||
624 ktr->ktr_code == SYS_lchflags) {
625 print_number(ip,narg,c);
630 } else if (ktr->ktr_code == SYS_kill) {
631 print_number(ip,narg,c);
636 } else if (ktr->ktr_code == SYS_reboot) {
638 rebootoptname((int)*ip);
641 } else if (ktr->ktr_code == SYS_umask) {
646 } else if (ktr->ktr_code == SYS_msync) {
647 print_number(ip,narg,c);
648 print_number(ip,narg,c);
650 msyncflagsname((int)*ip);
653 #ifdef SYS_freebsd6_mmap
654 } else if (ktr->ktr_code == SYS_freebsd6_mmap) {
655 print_number(ip,narg,c);
656 print_number(ip,narg,c);
658 mmapprotname ((int)*ip);
662 mmapflagsname ((int)*ip);
666 } else if (ktr->ktr_code == SYS_mmap) {
667 print_number(ip,narg,c);
668 print_number(ip,narg,c);
670 mmapprotname ((int)*ip);
674 mmapflagsname ((int)*ip);
677 } else if (ktr->ktr_code == SYS_mprotect) {
678 print_number(ip,narg,c);
679 print_number(ip,narg,c);
681 mmapprotname ((int)*ip);
684 } else if (ktr->ktr_code == SYS_madvise) {
685 print_number(ip,narg,c);
686 print_number(ip,narg,c);
688 madvisebehavname((int)*ip);
691 } else if (ktr->ktr_code == SYS_setpriority) {
692 print_number(ip,narg,c);
693 print_number(ip,narg,c);
698 } else if (ktr->ktr_code == SYS_fcntl) {
701 print_number(ip,narg,c);
705 fcntlcmdname(cmd, arg, decimal);
708 } else if (ktr->ktr_code == SYS_socket) {
712 sockdomainname(sockdomain);
716 socktypename((int)*ip);
719 if (sockdomain == PF_INET ||
720 sockdomain == PF_INET6) {
722 sockipprotoname((int)*ip);
727 } else if (ktr->ktr_code == SYS_setsockopt ||
728 ktr->ktr_code == SYS_getsockopt) {
729 print_number(ip,narg,c);
731 sockoptlevelname((int)*ip, decimal);
732 if ((int)*ip == SOL_SOCKET) {
736 sockoptname((int)*ip);
740 #ifdef SYS_freebsd6_lseek
741 } else if (ktr->ktr_code == SYS_freebsd6_lseek) {
742 print_number(ip,narg,c);
743 /* Hidden 'pad' argument, not in lseek(2) */
744 print_number(ip,narg,c);
745 print_number(ip,narg,c);
747 whencename ((int)*ip);
751 } else if (ktr->ktr_code == SYS_lseek) {
752 print_number(ip,narg,c);
753 /* Hidden 'pad' argument, not in lseek(2) */
754 print_number(ip,narg,c);
756 whencename ((int)*ip);
760 } else if (ktr->ktr_code == SYS_flock) {
761 print_number(ip,narg,c);
766 } else if (ktr->ktr_code == SYS_mkfifo ||
767 ktr->ktr_code == SYS_mkdir) {
768 print_number(ip,narg,c);
773 } else if (ktr->ktr_code == SYS_shutdown) {
774 print_number(ip,narg,c);
776 shutdownhowname((int)*ip);
779 } else if (ktr->ktr_code == SYS_socketpair) {
781 sockdomainname((int)*ip);
785 socktypename((int)*ip);
789 } else if (ktr->ktr_code == SYS_getrlimit ||
790 ktr->ktr_code == SYS_setrlimit) {
792 rlimitname((int)*ip);
796 } else if (ktr->ktr_code == SYS_quotactl) {
797 print_number(ip,narg,c);
799 quotactlname((int)*ip);
803 } else if (ktr->ktr_code == SYS_nfssvc) {
805 nfssvcname((int)*ip);
809 } else if (ktr->ktr_code == SYS_rtprio) {
811 rtprioname((int)*ip);
815 } else if (ktr->ktr_code == SYS___semctl) {
816 print_number(ip,narg,c);
817 print_number(ip,narg,c);
819 semctlname((int)*ip);
822 } else if (ktr->ktr_code == SYS_semget) {
823 print_number(ip,narg,c);
824 print_number(ip,narg,c);
826 semgetname((int)*ip);
829 } else if (ktr->ktr_code == SYS_msgctl) {
830 print_number(ip,narg,c);
832 shmctlname((int)*ip);
835 } else if (ktr->ktr_code == SYS_shmat) {
836 print_number(ip,narg,c);
837 print_number(ip,narg,c);
842 } else if (ktr->ktr_code == SYS_shmctl) {
843 print_number(ip,narg,c);
845 shmctlname((int)*ip);
848 } else if (ktr->ktr_code == SYS_minherit) {
849 print_number(ip,narg,c);
850 print_number(ip,narg,c);
852 minheritname((int)*ip);
855 } else if (ktr->ktr_code == SYS_rfork) {
861 } else if (ktr->ktr_code == SYS_lio_listio) {
863 lio_listioname((int)*ip);
867 } else if (ktr->ktr_code == SYS_mlockall) {
869 mlockallname((int)*ip);
872 } else if (ktr->ktr_code == SYS_sched_setscheduler) {
873 print_number(ip,narg,c);
875 schedpolicyname((int)*ip);
878 } else if (ktr->ktr_code == SYS_sched_get_priority_max ||
879 ktr->ktr_code == SYS_sched_get_priority_min) {
881 schedpolicyname((int)*ip);
884 } else if (ktr->ktr_code == SYS_sendfile) {
885 print_number(ip,narg,c);
886 print_number(ip,narg,c);
887 print_number(ip,narg,c);
888 print_number(ip,narg,c);
889 print_number(ip,narg,c);
890 print_number(ip,narg,c);
892 sendfileflagsname((int)*ip);
895 } else if (ktr->ktr_code == SYS_kldsym) {
896 print_number(ip,narg,c);
898 kldsymcmdname((int)*ip);
901 } else if (ktr->ktr_code == SYS_sigprocmask) {
903 sigprocmaskhowname((int)*ip);
907 } else if (ktr->ktr_code == SYS___acl_get_file ||
908 ktr->ktr_code == SYS___acl_set_file ||
909 ktr->ktr_code == SYS___acl_get_fd ||
910 ktr->ktr_code == SYS___acl_set_fd ||
911 ktr->ktr_code == SYS___acl_delete_file ||
912 ktr->ktr_code == SYS___acl_delete_fd ||
913 ktr->ktr_code == SYS___acl_aclcheck_file ||
914 ktr->ktr_code == SYS___acl_aclcheck_fd ||
915 ktr->ktr_code == SYS___acl_get_link ||
916 ktr->ktr_code == SYS___acl_set_link ||
917 ktr->ktr_code == SYS___acl_delete_link ||
918 ktr->ktr_code == SYS___acl_aclcheck_link) {
919 print_number(ip,narg,c);
921 acltypename((int)*ip);
924 } else if (ktr->ktr_code == SYS_sigaction) {
930 } else if (ktr->ktr_code == SYS_extattrctl) {
931 print_number(ip,narg,c);
933 extattrctlname((int)*ip);
936 } else if (ktr->ktr_code == SYS_nmount) {
937 print_number(ip,narg,c);
938 print_number(ip,narg,c);
940 mountflagsname ((int)*ip);
943 } else if (ktr->ktr_code == SYS_thr_create) {
944 print_number(ip,narg,c);
945 print_number(ip,narg,c);
947 thrcreateflagsname ((int)*ip);
950 } else if (ktr->ktr_code == SYS_thr_kill) {
951 print_number(ip,narg,c);
956 } else if (ktr->ktr_code == SYS_kldunloadf) {
957 print_number(ip,narg,c);
959 kldunloadfflagsname ((int)*ip);
962 } else if (ktr->ktr_code == SYS_posix_fadvise) {
963 print_number(ip,narg,c);
964 print_number(ip,narg,c);
965 print_number(ip,narg,c);
967 fadvisebehavname((int)*ip);
973 print_number(ip,narg,c);
981 ktrsysret(struct ktr_sysret *ktr, u_int flags)
983 register_t ret = ktr->ktr_retval;
984 int error = ktr->ktr_error;
985 int code = ktr->ktr_code;
987 if ((flags != 0 && ((flags & SV_ABI_MASK) != SV_ABI_FREEBSD)) ||
988 (code >= nsyscalls || code < 0))
989 (void)printf("[%d] ", code);
991 (void)printf("%s ", syscallnames[code]);
995 (void)printf("%ld", (long)ret);
996 if (ret < 0 || ret > 9)
997 (void)printf("/%#lx", (long)ret);
1000 (void)printf("%ld", (long)ret);
1002 (void)printf("%#lx", (long)ret);
1004 } else if (error == ERESTART)
1005 (void)printf("RESTART");
1006 else if (error == EJUSTRETURN)
1007 (void)printf("JUSTRETURN");
1009 (void)printf("-1 errno %d", ktr->ktr_error);
1011 (void)printf(" %s", strerror(ktr->ktr_error));
1013 (void)putchar('\n');
1017 ktrnamei(char *cp, int len)
1019 (void)printf("\"%.*s\"\n", len, cp);
1023 hexdump(char *p, int len, int screenwidth)
1031 i = 13; /* base offset */
1032 i += (width / 2) + 1; /* spaces every second byte */
1033 i += (width * 2); /* width of bytes */
1035 i += width; /* each byte */
1037 } while (i < screenwidth);
1040 for (n = 0; n < len; n += width) {
1041 for (i = n; i < n + width; i++) {
1042 if ((i % width) == 0) { /* beginning of line */
1043 printf(" 0x%04x", i);
1049 printf("%02x", p[i] & 0xff);
1054 for (i = n; i < n + width; i++) {
1057 if (p[i] >= ' ' && p[i] <= '~')
1064 if ((i % width) != 0)
1069 visdump(char *dp, int datalen, int screenwidth)
1076 (void)printf(" \"");
1078 for (;datalen > 0; datalen--, dp++) {
1079 (void) vis(visbuf, *dp, VIS_CSTYLE, *(dp+1));
1082 * Keep track of printables and
1083 * space chars (like fold(1)).
1086 (void)putchar('\t');
1092 (void)putchar('\n');
1095 width = 8 - (col&07);
1100 if (col + width > (screenwidth-2)) {
1101 (void)printf("\\\n\t");
1106 (void)putchar(*cp++);
1111 (void)printf("\"\n");
1115 ktrgenio(struct ktr_genio *ktr, int len)
1117 int datalen = len - sizeof (struct ktr_genio);
1118 char *dp = (char *)ktr + sizeof (struct ktr_genio);
1119 static int screenwidth = 0;
1122 if (screenwidth == 0) {
1125 if (fancy && ioctl(fileno(stderr), TIOCGWINSZ, &ws) != -1 &&
1127 screenwidth = ws.ws_col;
1131 printf("fd %d %s %d byte%s\n", ktr->ktr_fd,
1132 ktr->ktr_rw == UIO_READ ? "read" : "wrote", datalen,
1133 datalen == 1 ? "" : "s");
1136 if (maxdata && datalen > maxdata)
1139 for (i = 0, binary = 0; i < datalen && binary == 0; i++) {
1140 if (dp[i] >= 32 && dp[i] < 127)
1142 if (dp[i] == 10 || dp[i] == 13 || dp[i] == 0 || dp[i] == 9)
1147 hexdump(dp, datalen, screenwidth);
1149 visdump(dp, datalen, screenwidth);
1152 const char *signames[] = {
1153 "NULL", "HUP", "INT", "QUIT", "ILL", "TRAP", "IOT", /* 1 - 6 */
1154 "EMT", "FPE", "KILL", "BUS", "SEGV", "SYS", /* 7 - 12 */
1155 "PIPE", "ALRM", "TERM", "URG", "STOP", "TSTP", /* 13 - 18 */
1156 "CONT", "CHLD", "TTIN", "TTOU", "IO", "XCPU", /* 19 - 24 */
1157 "XFSZ", "VTALRM", "PROF", "WINCH", "29", "USR1", /* 25 - 30 */
1158 "USR2", NULL, /* 31 - 32 */
1162 ktrpsig(struct ktr_psig *psig)
1164 if (psig->signo > 0 && psig->signo < NSIG)
1165 (void)printf("SIG%s ", signames[psig->signo]);
1167 (void)printf("SIG %d ", psig->signo);
1168 if (psig->action == SIG_DFL)
1169 (void)printf("SIG_DFL code=0x%x\n", psig->code);
1171 (void)printf("caught handler=0x%lx mask=0x%x code=0x%x\n",
1172 (u_long)psig->action, psig->mask.__bits[0], psig->code);
1177 ktrcsw_old(struct ktr_csw_old *cs)
1179 (void)printf("%s %s\n", cs->out ? "stop" : "resume",
1180 cs->user ? "user" : "kernel");
1184 ktrcsw(struct ktr_csw *cs)
1186 printf("%s %s \"%s\"\n", cs->out ? "stop" : "resume",
1187 cs->user ? "user" : "kernel", cs->wmesg);
1190 #define UTRACE_DLOPEN_START 1
1191 #define UTRACE_DLOPEN_STOP 2
1192 #define UTRACE_DLCLOSE_START 3
1193 #define UTRACE_DLCLOSE_STOP 4
1194 #define UTRACE_LOAD_OBJECT 5
1195 #define UTRACE_UNLOAD_OBJECT 6
1196 #define UTRACE_ADD_RUNDEP 7
1197 #define UTRACE_PRELOAD_FINISHED 8
1198 #define UTRACE_INIT_CALL 9
1199 #define UTRACE_FINI_CALL 10
1201 struct utrace_rtld {
1202 char sig[4]; /* 'RTLD' */
1208 char name[MAXPATHLEN];
1212 ktruser_rtld(int len, unsigned char *p)
1214 struct utrace_rtld *ut = (struct utrace_rtld *)p;
1218 switch (ut->event) {
1219 case UTRACE_DLOPEN_START:
1221 printf("dlopen(%s, ", ut->name);
1222 switch (mode & RTLD_MODEMASK) {
1227 printf("RTLD_LAZY");
1230 printf("%#x", mode & RTLD_MODEMASK);
1232 if (mode & RTLD_GLOBAL)
1233 printf(" | RTLD_GLOBAL");
1234 if (mode & RTLD_TRACE)
1235 printf(" | RTLD_TRACE");
1236 if (mode & ~(RTLD_MODEMASK | RTLD_GLOBAL | RTLD_TRACE))
1237 printf(" | %#x", mode &
1238 ~(RTLD_MODEMASK | RTLD_GLOBAL | RTLD_TRACE));
1241 case UTRACE_DLOPEN_STOP:
1242 printf("%p = dlopen(%s) ref %d\n", ut->handle, ut->name,
1245 case UTRACE_DLCLOSE_START:
1246 printf("dlclose(%p) (%s, %d)\n", ut->handle, ut->name,
1249 case UTRACE_DLCLOSE_STOP:
1250 printf("dlclose(%p) finished\n", ut->handle);
1252 case UTRACE_LOAD_OBJECT:
1253 printf("RTLD: loaded %p @ %p - %p (%s)\n", ut->handle,
1254 ut->mapbase, (char *)ut->mapbase + ut->mapsize - 1,
1257 case UTRACE_UNLOAD_OBJECT:
1258 printf("RTLD: unloaded %p @ %p - %p (%s)\n", ut->handle,
1259 ut->mapbase, (char *)ut->mapbase + ut->mapsize - 1,
1262 case UTRACE_ADD_RUNDEP:
1263 parent = ut->mapbase;
1264 printf("RTLD: %p now depends on %p (%s, %d)\n", parent,
1265 ut->handle, ut->name, ut->refcnt);
1267 case UTRACE_PRELOAD_FINISHED:
1268 printf("RTLD: LD_PRELOAD finished\n");
1270 case UTRACE_INIT_CALL:
1271 printf("RTLD: init %p for %p (%s)\n", ut->mapbase, ut->handle,
1274 case UTRACE_FINI_CALL:
1275 printf("RTLD: fini %p for %p (%s)\n", ut->mapbase, ut->handle,
1281 printf("RTLD: %d ", len);
1284 printf(" %d", *p++);
1286 printf(" %02x", *p++);
1291 struct utrace_malloc {
1298 ktruser_malloc(int len, unsigned char *p)
1300 struct utrace_malloc *ut = (struct utrace_malloc *)p;
1302 if (ut->p == NULL) {
1303 if (ut->s == 0 && ut->r == NULL)
1304 printf("malloc_init()\n");
1306 printf("%p = malloc(%zu)\n", ut->r, ut->s);
1309 printf("free(%p)\n", ut->p);
1311 printf("%p = realloc(%p, %zu)\n", ut->r, ut->p, ut->s);
1316 ktruser(int len, unsigned char *p)
1319 if (len >= 8 && bcmp(p, "RTLD", 4) == 0) {
1320 ktruser_rtld(len, p);
1324 if (len == sizeof(struct utrace_malloc)) {
1325 ktruser_malloc(len, p);
1329 (void)printf("%d ", len);
1332 (void)printf(" %d", *p++);
1334 (void)printf(" %02x", *p++);
1339 ktrsockaddr(struct sockaddr *sa)
1342 TODO: Support additional address families
1343 #include <netnatm/natm.h>
1344 struct sockaddr_natm *natm;
1345 #include <netsmb/netbios.h>
1346 struct sockaddr_nb *nb;
1351 * note: ktrstruct() has already verified that sa points to a
1352 * buffer at least sizeof(struct sockaddr) bytes long and exactly
1353 * sa->sa_len bytes long.
1355 printf("struct sockaddr { ");
1356 sockfamilyname(sa->sa_family);
1359 #define check_sockaddr_len(n) \
1360 if (sa_##n->s##n##_len < sizeof(struct sockaddr_##n)) { \
1361 printf("invalid"); \
1365 switch(sa->sa_family) {
1367 struct sockaddr_in *sa_in;
1369 sa_in = (struct sockaddr_in *)sa;
1370 check_sockaddr_len(in);
1371 inet_ntop(AF_INET, &sa_in->sin_addr, addr, sizeof addr);
1372 printf("%s:%u", addr, ntohs(sa_in->sin_port));
1376 case AF_APPLETALK: {
1377 struct sockaddr_at *sa_at;
1378 struct netrange *nr;
1380 sa_at = (struct sockaddr_at *)sa;
1381 check_sockaddr_len(at);
1382 nr = &sa_at->sat_range.r_netrange;
1383 printf("%d.%d, %d-%d, %d", ntohs(sa_at->sat_addr.s_net),
1384 sa_at->sat_addr.s_node, ntohs(nr->nr_firstnet),
1385 ntohs(nr->nr_lastnet), nr->nr_phase);
1390 struct sockaddr_in6 *sa_in6;
1392 sa_in6 = (struct sockaddr_in6 *)sa;
1393 check_sockaddr_len(in6);
1394 inet_ntop(AF_INET6, &sa_in6->sin6_addr, addr, sizeof addr);
1395 printf("[%s]:%u", addr, htons(sa_in6->sin6_port));
1400 struct sockaddr_ipx *sa_ipx;
1402 sa_ipx = (struct sockaddr_ipx *)sa;
1403 check_sockaddr_len(ipx);
1404 /* XXX wish we had ipx_ntop */
1405 printf("%s", ipx_ntoa(sa_ipx->sipx_addr));
1410 struct sockaddr_un *sa_un;
1412 sa_un = (struct sockaddr_un *)sa;
1413 check_sockaddr_len(un);
1414 printf("%.*s", (int)sizeof(sa_un->sun_path), sa_un->sun_path);
1418 printf("unknown address family");
1424 ktrstat(struct stat *statp)
1426 char mode[12], timestr[PATH_MAX + 4];
1432 * note: ktrstruct() has already verified that statp points to a
1433 * buffer exactly sizeof(struct stat) bytes long.
1435 printf("struct stat {");
1436 strmode(statp->st_mode, mode);
1437 printf("dev=%ju, ino=%ju, mode=%s, nlink=%ju, ",
1438 (uintmax_t)statp->st_dev, (uintmax_t)statp->st_ino, mode,
1439 (uintmax_t)statp->st_nlink);
1440 if (resolv == 0 || (pwd = getpwuid(statp->st_uid)) == NULL)
1441 printf("uid=%ju, ", (uintmax_t)statp->st_uid);
1443 printf("uid=\"%s\", ", pwd->pw_name);
1444 if (resolv == 0 || (grp = getgrgid(statp->st_gid)) == NULL)
1445 printf("gid=%ju, ", (uintmax_t)statp->st_gid);
1447 printf("gid=\"%s\", ", grp->gr_name);
1448 printf("rdev=%ju, ", (uintmax_t)statp->st_rdev);
1451 printf("%jd", (intmax_t)statp->st_atimespec.tv_sec);
1453 tm = localtime(&statp->st_atimespec.tv_sec);
1454 (void)strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
1455 printf("\"%s\"", timestr);
1457 if (statp->st_atimespec.tv_nsec != 0)
1458 printf(".%09ld, ", statp->st_atimespec.tv_nsec);
1463 printf("%jd", (intmax_t)statp->st_mtimespec.tv_sec);
1465 tm = localtime(&statp->st_mtimespec.tv_sec);
1466 (void)strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
1467 printf("\"%s\"", timestr);
1469 if (statp->st_mtimespec.tv_nsec != 0)
1470 printf(".%09ld, ", statp->st_mtimespec.tv_nsec);
1475 printf("%jd", (intmax_t)statp->st_ctimespec.tv_sec);
1477 tm = localtime(&statp->st_ctimespec.tv_sec);
1478 (void)strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
1479 printf("\"%s\"", timestr);
1481 if (statp->st_ctimespec.tv_nsec != 0)
1482 printf(".%09ld, ", statp->st_ctimespec.tv_nsec);
1485 printf("birthtime=");
1487 printf("%jd", (intmax_t)statp->st_birthtimespec.tv_sec);
1489 tm = localtime(&statp->st_birthtimespec.tv_sec);
1490 (void)strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
1491 printf("\"%s\"", timestr);
1493 if (statp->st_birthtimespec.tv_nsec != 0)
1494 printf(".%09ld, ", statp->st_birthtimespec.tv_nsec);
1497 printf("size=%jd, blksize=%ju, blocks=%jd, flags=0x%x",
1498 (uintmax_t)statp->st_size, (uintmax_t)statp->st_blksize,
1499 (intmax_t)statp->st_blocks, statp->st_flags);
1504 ktrstruct(char *buf, size_t buflen)
1507 size_t namelen, datalen;
1510 for (name = buf, namelen = 0;
1511 namelen < buflen && name[namelen] != '\0';
1514 if (namelen == buflen)
1516 if (name[namelen] != '\0')
1518 data = buf + namelen + 1;
1519 datalen = buflen - namelen - 1;
1523 for (i = 0; i < namelen; ++i)
1524 if (!isalpha((unsigned char)name[i]))
1526 if (strcmp(name, "stat") == 0) {
1527 if (datalen != sizeof(struct stat))
1529 ktrstat((struct stat *)data);
1530 } else if (strcmp(name, "sockaddr") == 0) {
1531 if (datalen < sizeof(struct sockaddr) ||
1532 datalen != ((struct sockaddr *)(data))->sa_len)
1534 ktrsockaddr((struct sockaddr *)data);
1536 printf("unknown structure\n");
1540 printf("invalid record\n");
1544 ktrfault(struct ktr_fault *ktr)
1547 printf("0x%jx ", ktr->vaddr);
1548 vmprotname(ktr->type);
1553 ktrfaultend(struct ktr_faultend *ktr)
1556 vmresultname(ktr->result);
1560 #if defined(__amd64__) || defined(__i386__)
1562 linux_ktrsyscall(struct ktr_syscall *ktr)
1564 int narg = ktr->ktr_narg;
1567 if (ktr->ktr_code >= nlinux_syscalls || ktr->ktr_code < 0)
1568 printf("[%d]", ktr->ktr_code);
1570 printf("%s", linux_syscallnames[ktr->ktr_code]);
1571 ip = &ktr->ktr_args[0];
1575 print_number(ip, narg, c);
1582 linux_ktrsysret(struct ktr_sysret *ktr)
1584 register_t ret = ktr->ktr_retval;
1585 int error = ktr->ktr_error;
1586 int code = ktr->ktr_code;
1588 if (code >= nlinux_syscalls || code < 0)
1589 printf("[%d] ", code);
1591 printf("%s ", linux_syscallnames[code]);
1595 printf("%ld", (long)ret);
1596 if (ret < 0 || ret > 9)
1597 printf("/%#lx", (long)ret);
1600 printf("%ld", (long)ret);
1602 printf("%#lx", (long)ret);
1604 } else if (error == ERESTART)
1606 else if (error == EJUSTRETURN)
1607 printf("JUSTRETURN");
1609 if (ktr->ktr_error <= ELAST + 1)
1610 error = abs(bsd_to_linux_errno[ktr->ktr_error]);
1613 printf("-1 errno %d", error);
1615 printf(" %s", strerror(ktr->ktr_error));
1624 fprintf(stderr, "usage: kdump [-dEnlHRrsTA] [-f trfile] "
1625 "[-m maxdata] [-p pid] [-t trstr]\n");