2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1988, 1993
5 * The Regents of the University of California. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 static const char copyright[] =
34 "@(#) Copyright (c) 1988, 1993\n\
35 The Regents of the University of California. All rights reserved.\n";
40 static char sccsid[] = "@(#)kdump.c 8.1 (Berkeley) 6/6/93";
43 #include <sys/cdefs.h>
44 __FBSDID("$FreeBSD$");
46 #define _WANT_KERNEL_ERRNO
48 #define _WANT_KEVENT32
50 #define _WANT_FREEBSD11_KEVENT
51 #include <sys/param.h>
52 #include <sys/capsicum.h>
53 #include <sys/errno.h>
56 #include <sys/event.h>
57 #include <sys/ktrace.h>
59 #include <sys/ioctl.h>
60 #include <sys/socket.h>
62 #include <sys/sysent.h>
65 #include <sys/queue.h>
70 #include <arpa/inet.h>
71 #include <netinet/in.h>
73 #include <capsicum_helpers.h>
85 #include <sysdecode.h>
92 #include <libcasper.h>
94 #include <casper/cap_grp.h>
95 #include <casper/cap_pwd.h>
98 int fetchprocinfo(struct ktr_header *, u_int *);
99 u_int findabi(struct ktr_header *);
100 int fread_tail(void *, int, int);
101 void dumpheader(struct ktr_header *, u_int);
102 void ktrsyscall(struct ktr_syscall *, u_int);
103 void ktrsysret(struct ktr_sysret *, u_int);
104 void ktrnamei(char *, int);
105 void hexdump(char *, int, int);
106 void visdump(char *, int, int);
107 void ktrgenio(struct ktr_genio *, int);
108 void ktrpsig(struct ktr_psig *);
109 void ktrcsw(struct ktr_csw *);
110 void ktrcsw_old(struct ktr_csw_old *);
111 void ktruser(int, void *);
112 void ktrcaprights(cap_rights_t *);
113 void ktritimerval(struct itimerval *it);
114 void ktrsockaddr(struct sockaddr *);
115 void ktrstat(struct stat *);
116 void ktrstruct(char *, size_t);
117 void ktrcapfail(struct ktr_cap_fail *);
118 void ktrfault(struct ktr_fault *);
119 void ktrfaultend(struct ktr_faultend *);
120 void ktrkevent(struct kevent *);
121 void ktrstructarray(struct ktr_struct_array *, size_t);
124 #define TIMESTAMP_NONE 0x0
125 #define TIMESTAMP_ABSOLUTE 0x1
126 #define TIMESTAMP_ELAPSED 0x2
127 #define TIMESTAMP_RELATIVE 0x4
129 static bool abiflag, decimal, fancy = true, resolv, suppressdata, syscallno,
131 static int timestamp, maxdata;
132 static const char *tracefile = DEF_TRACEFILE;
133 static struct ktr_header ktr_header;
135 #define TIME_FORMAT "%b %e %T %Y"
136 #define eqs(s1, s2) (strcmp((s1), (s2)) == 0)
138 #define print_number64(first,i,n,c) do { \
141 if (quad_align && (((ptrdiff_t)((i) - (first))) & 1) == 1) { \
145 if (quad_slots == 2) \
146 __v = (uint64_t)(uint32_t)(i)[0] | \
147 ((uint64_t)(uint32_t)(i)[1]) << 32; \
149 __v = (uint64_t)*(i); \
151 printf("%c%jd", (c), (intmax_t)__v); \
153 printf("%c%#jx", (c), (uintmax_t)__v); \
159 #define print_number(i,n,c) do { \
161 printf("%c%jd", c, (intmax_t)*i); \
163 printf("%c%#jx", c, (uintmax_t)(u_register_t)*i); \
171 TAILQ_ENTRY(proc_info) info;
176 static TAILQ_HEAD(trace_procs, proc_info) trace_procs;
179 static cap_channel_t *cappwd, *capgrp;
182 cappwdgrp_setup(cap_channel_t **cappwdp, cap_channel_t **capgrpp)
184 cap_channel_t *capcas, *cappwdloc, *capgrploc;
185 const char *cmds[1], *fields[1];
188 if (capcas == NULL) {
189 err(1, "unable to create casper process");
192 cappwdloc = cap_service_open(capcas, "system.pwd");
193 capgrploc = cap_service_open(capcas, "system.grp");
194 /* Casper capability no longer needed. */
196 if (cappwdloc == NULL || capgrploc == NULL) {
197 if (cappwdloc == NULL)
198 warn("unable to open system.pwd service");
199 if (capgrploc == NULL)
200 warn("unable to open system.grp service");
203 /* Limit system.pwd to only getpwuid() function and pw_name field. */
204 cmds[0] = "getpwuid";
205 if (cap_pwd_limit_cmds(cappwdloc, cmds, 1) < 0)
206 err(1, "unable to limit system.pwd service");
207 fields[0] = "pw_name";
208 if (cap_pwd_limit_fields(cappwdloc, fields, 1) < 0)
209 err(1, "unable to limit system.pwd service");
210 /* Limit system.grp to only getgrgid() function and gr_name field. */
211 cmds[0] = "getgrgid";
212 if (cap_grp_limit_cmds(capgrploc, cmds, 1) < 0)
213 err(1, "unable to limit system.grp service");
214 fields[0] = "gr_name";
215 if (cap_grp_limit_fields(capgrploc, fields, 1) < 0)
216 err(1, "unable to limit system.grp service");
218 *cappwdp = cappwdloc;
219 *capgrpp = capgrploc;
222 #endif /* WITH_CASPER */
225 print_integer_arg(const char *(*decoder)(int), int value)
229 str = decoder(value);
234 printf("<invalid=%d>", value);
236 printf("<invalid=%#x>", value);
240 /* Like print_integer_arg but unknown values are treated as valid. */
242 print_integer_arg_valid(const char *(*decoder)(int), int value)
246 str = decoder(value);
253 printf("%#x", value);
258 print_mask_arg(bool (*decoder)(FILE *, int, int *), int value)
263 printf("%#x<", value);
264 invalid = !decoder(stdout, value, &rem);
267 printf("<invalid>%u", rem);
271 print_mask_arg0(bool (*decoder)(FILE *, int, int *), int value)
280 printf("%#x<", value);
281 invalid = !decoder(stdout, value, &rem);
284 printf("<invalid>%u", rem);
288 decode_fileflags(fflags_t value)
297 printf("%#x<", value);
298 invalid = !sysdecode_fileflags(stdout, value, &rem);
301 printf("<invalid>%u", rem);
305 decode_filemode(int value)
314 printf("%#o<", value);
315 invalid = !sysdecode_filemode(stdout, value, &rem);
318 printf("<invalid>%u", rem);
322 print_mask_arg32(bool (*decoder)(FILE *, uint32_t, uint32_t *), uint32_t value)
327 printf("%#x<", value);
328 invalid = !decoder(stdout, value, &rem);
331 printf("<invalid>%u", rem);
335 print_mask_argul(bool (*decoder)(FILE *, u_long, u_long *), u_long value)
344 printf("%#lx<", value);
345 invalid = !decoder(stdout, value, &rem);
348 printf("<invalid>%lu", rem);
352 main(int argc, char *argv[])
354 int ch, ktrlen, size;
356 int trpoints = ALL_POINTS;
361 setlocale(LC_CTYPE, "");
363 timestamp = TIMESTAMP_NONE;
365 while ((ch = getopt(argc,argv,"f:dElm:np:AHRrSsTt:")) != -1)
380 maxdata = atoi(optarg);
398 timestamp |= TIMESTAMP_ELAPSED;
404 timestamp |= TIMESTAMP_RELATIVE;
407 timestamp |= TIMESTAMP_ABSOLUTE;
410 trpoints = getpoints(optarg);
412 errx(1, "unknown trace point in %s", optarg);
421 m = malloc(size = 1025);
423 errx(1, "%s", strerror(ENOMEM));
424 if (strcmp(tracefile, "-") != 0)
425 if (!freopen(tracefile, "r", stdin))
426 err(1, "%s", tracefile);
428 caph_cache_catpages();
433 if (cappwdgrp_setup(&cappwd, &capgrp) < 0) {
438 if (!resolv || (cappwd != NULL && capgrp != NULL)) {
439 if (caph_enter() < 0)
440 err(1, "unable to enter capability mode");
444 if (caph_enter() < 0)
445 err(1, "unable to enter capability mode");
448 if (caph_limit_stdio() == -1)
449 err(1, "unable to limit stdio");
451 TAILQ_INIT(&trace_procs);
453 while (fread_tail(&ktr_header, sizeof(struct ktr_header), 1)) {
454 if (ktr_header.ktr_type & KTR_DROP) {
455 ktr_header.ktr_type &= ~KTR_DROP;
456 if (!drop_logged && threads) {
458 "%6jd %6jd %-8.*s Events dropped.\n",
459 (intmax_t)ktr_header.ktr_pid,
460 ktr_header.ktr_tid > 0 ?
461 (intmax_t)ktr_header.ktr_tid : 0,
462 MAXCOMLEN, ktr_header.ktr_comm);
464 } else if (!drop_logged) {
465 printf("%6jd %-8.*s Events dropped.\n",
466 (intmax_t)ktr_header.ktr_pid, MAXCOMLEN,
467 ktr_header.ktr_comm);
471 if ((ktrlen = ktr_header.ktr_len) < 0)
472 errx(1, "bogus length 0x%x", ktrlen);
474 m = realloc(m, ktrlen+1);
476 errx(1, "%s", strerror(ENOMEM));
479 if (ktrlen && fread_tail(m, ktrlen, 1) == 0)
480 errx(1, "data too short");
481 if (fetchprocinfo(&ktr_header, (u_int *)m) != 0)
483 if (pid && ktr_header.ktr_pid != pid &&
484 ktr_header.ktr_tid != pid)
486 if ((trpoints & (1<<ktr_header.ktr_type)) == 0)
488 sv_flags = findabi(&ktr_header);
489 dumpheader(&ktr_header, sv_flags);
491 switch (ktr_header.ktr_type) {
493 ktrsyscall((struct ktr_syscall *)m, sv_flags);
496 ktrsysret((struct ktr_sysret *)m, sv_flags);
503 ktrgenio((struct ktr_genio *)m, ktrlen);
506 ktrpsig((struct ktr_psig *)m);
509 if (ktrlen == sizeof(struct ktr_csw_old))
510 ktrcsw_old((struct ktr_csw_old *)m);
512 ktrcsw((struct ktr_csw *)m);
518 ktrstruct(m, ktrlen);
521 ktrcapfail((struct ktr_cap_fail *)m);
524 ktrfault((struct ktr_fault *)m);
527 ktrfaultend((struct ktr_faultend *)m);
529 case KTR_STRUCT_ARRAY:
530 ktrstructarray((struct ktr_struct_array *)m, ktrlen);
543 fread_tail(void *buf, int size, int num)
547 while ((i = fread(buf, size, num, stdin)) == 0 && tail) {
555 fetchprocinfo(struct ktr_header *kth, u_int *flags)
557 struct proc_info *pi;
559 switch (kth->ktr_type) {
561 TAILQ_FOREACH(pi, &trace_procs, info) {
562 if (pi->pid == kth->ktr_pid) {
563 TAILQ_REMOVE(&trace_procs, pi, info);
567 pi = malloc(sizeof(struct proc_info));
569 errx(1, "%s", strerror(ENOMEM));
570 pi->sv_flags = *flags;
571 pi->pid = kth->ktr_pid;
572 TAILQ_INSERT_TAIL(&trace_procs, pi, info);
576 TAILQ_FOREACH(pi, &trace_procs, info) {
577 if (pi->pid == kth->ktr_pid) {
578 TAILQ_REMOVE(&trace_procs, pi, info);
590 findabi(struct ktr_header *kth)
592 struct proc_info *pi;
594 TAILQ_FOREACH(pi, &trace_procs, info) {
595 if (pi->pid == kth->ktr_pid) {
596 return (pi->sv_flags);
603 dumpheader(struct ktr_header *kth, u_int sv_flags)
605 static char unknown[64];
606 static struct timeval prevtime, prevtime_e;
613 switch (kth->ktr_type) {
636 case KTR_STRUCT_ARRAY:
652 sprintf(unknown, "UNKNOWN(%d)", kth->ktr_type);
657 * The ktr_tid field was previously the ktr_buffer field, which held
658 * the kernel pointer value for the buffer associated with data
659 * following the record header. It now holds a threadid, but only
660 * for trace files after the change. Older trace files still contain
661 * kernel pointers. Detect this and suppress the results by printing
662 * negative tid's as 0.
665 printf("%6jd %6jd %-8.*s ", (intmax_t)kth->ktr_pid,
666 kth->ktr_tid > 0 ? (intmax_t)kth->ktr_tid : 0,
667 MAXCOMLEN, kth->ktr_comm);
669 printf("%6jd %-8.*s ", (intmax_t)kth->ktr_pid, MAXCOMLEN,
672 if (timestamp & TIMESTAMP_ABSOLUTE) {
673 printf("%jd.%06ld ", (intmax_t)kth->ktr_time.tv_sec,
674 kth->ktr_time.tv_usec);
676 if (timestamp & TIMESTAMP_ELAPSED) {
677 if (prevtime_e.tv_sec == 0)
678 prevtime_e = kth->ktr_time;
679 timersub(&kth->ktr_time, &prevtime_e, &temp);
680 printf("%jd.%06ld ", (intmax_t)temp.tv_sec,
683 if (timestamp & TIMESTAMP_RELATIVE) {
684 if (prevtime.tv_sec == 0)
685 prevtime = kth->ktr_time;
686 if (timercmp(&kth->ktr_time, &prevtime, <)) {
687 timersub(&prevtime, &kth->ktr_time, &temp);
690 timersub(&kth->ktr_time, &prevtime, &temp);
693 prevtime = kth->ktr_time;
694 printf("%s%jd.%06ld ", sign, (intmax_t)temp.tv_sec,
700 switch (sv_flags & SV_ABI_MASK) {
707 case SV_ABI_CLOUDABI:
715 if ((sv_flags & SV_LP64) != 0)
717 else if ((sv_flags & SV_ILP32) != 0)
722 printf("%s%s ", abi, arch);
726 #include <sys/syscall.h>
729 ioctlname(unsigned long val)
733 str = sysdecode_ioctlname(val);
742 static enum sysdecode_abi
743 syscallabi(u_int sv_flags)
747 return (SYSDECODE_ABI_FREEBSD);
748 switch (sv_flags & SV_ABI_MASK) {
750 return (SYSDECODE_ABI_FREEBSD);
753 if (sv_flags & SV_ILP32)
754 return (SYSDECODE_ABI_LINUX32);
756 return (SYSDECODE_ABI_LINUX);
757 case SV_ABI_CLOUDABI:
758 return (SYSDECODE_ABI_CLOUDABI64);
760 return (SYSDECODE_ABI_UNKNOWN);
765 syscallname(u_int code, u_int sv_flags)
769 name = sysdecode_syscallname(syscallabi(sv_flags), code);
771 printf("[%d]", code);
775 printf("[%d]", code);
780 print_signal(int signo)
784 signame = sysdecode_signal(signo);
786 printf("%s", signame);
788 printf("SIG %d", signo);
792 ktrsyscall(struct ktr_syscall *ktr, u_int sv_flags)
794 int narg = ktr->ktr_narg;
795 register_t *ip, *first;
797 int quad_align, quad_slots;
799 syscallname(ktr->ktr_code, sv_flags);
800 ip = first = &ktr->ktr_args[0];
805 (sv_flags & SV_ABI_MASK) == SV_ABI_FREEBSD)) {
807 if (sv_flags & SV_ILP32) {
814 switch (ktr->ktr_code) {
833 print_integer_arg_valid(sysdecode_atfd, *ip);
839 switch (ktr->ktr_code) {
841 print_number(ip, narg, c);
851 print_integer_arg(sysdecode_ptrace_request, *ip);
859 print_number(ip, narg, c);
861 print_mask_arg(sysdecode_access_mode, *ip);
867 print_number(ip, narg, c);
869 print_mask_arg(sysdecode_open_flags, ip[0]);
870 if ((ip[0] & O_CREAT) == O_CREAT) {
872 decode_filemode(ip[1]);
878 print_number(ip, narg, c);
879 print_number(ip, narg, c);
881 print_mask_arg0(sysdecode_wait4_options, *ip);
887 print_integer_arg(sysdecode_idtype, *ip);
891 print_number64(first, ip, narg, c);
892 print_number(ip, narg, c);
894 print_mask_arg(sysdecode_wait6_options, *ip);
902 print_number(ip, narg, c);
904 decode_filemode(*ip);
909 print_number(ip, narg, c);
911 decode_filemode(*ip);
916 print_number(ip, narg, c);
917 print_number(ip, narg, c);
919 print_integer_arg(sysdecode_getfsstat_mode, *ip);
924 print_number(ip, narg, c);
925 print_number(ip, narg, c);
927 print_mask_arg(sysdecode_mount_flags, *ip);
932 print_number(ip, narg, c);
934 print_mask_arg(sysdecode_mount_flags, *ip);
940 print_number(ip, narg, c);
941 print_number(ip, narg, c);
943 print_mask_arg0(sysdecode_msg_flags, *ip);
949 print_number(ip, narg, c);
950 print_number(ip, narg, c);
951 print_number(ip, narg, c);
953 print_mask_arg0(sysdecode_msg_flags, *ip);
961 print_number(ip, narg, c);
963 decode_fileflags(*ip);
968 print_number(ip, narg, c);
976 print_mask_arg(sysdecode_reboot_howto, *ip);
982 decode_filemode(*ip);
987 print_number(ip, narg, c);
988 print_number(ip, narg, c);
990 print_mask_arg(sysdecode_msync_flags, *ip);
994 #ifdef SYS_freebsd6_mmap
995 case SYS_freebsd6_mmap:
996 print_number(ip, narg, c);
997 print_number(ip, narg, c);
999 print_mask_arg(sysdecode_mmap_prot, *ip);
1003 print_mask_arg(sysdecode_mmap_flags, *ip);
1009 print_number(ip, narg, c);
1010 print_number(ip, narg, c);
1012 print_mask_arg(sysdecode_mmap_prot, *ip);
1016 print_mask_arg(sysdecode_mmap_flags, *ip);
1021 print_number(ip, narg, c);
1022 print_number(ip, narg, c);
1024 print_mask_arg(sysdecode_mmap_prot, *ip);
1029 print_number(ip, narg, c);
1030 print_number(ip, narg, c);
1032 print_integer_arg(sysdecode_madvice, *ip);
1039 print_number(ip, narg, c);
1041 print_integer_arg(sysdecode_pathconf_name, *ip);
1045 case SYS_getpriority:
1046 case SYS_setpriority:
1048 print_integer_arg(sysdecode_prio_which, *ip);
1054 print_number(ip, narg, c);
1056 print_integer_arg(sysdecode_fcntl_cmd, ip[0]);
1057 if (sysdecode_fcntl_arg_p(ip[0])) {
1059 if (ip[0] == F_SETFL)
1061 sysdecode_fcntl_fileflags,
1064 sysdecode_fcntl_arg(stdout,
1075 print_integer_arg(sysdecode_socketdomain,
1080 print_mask_arg(sysdecode_socket_type, *ip);
1083 if (sockdomain == PF_INET ||
1084 sockdomain == PF_INET6) {
1086 print_integer_arg(sysdecode_ipproto,
1094 case SYS_setsockopt:
1095 case SYS_getsockopt: {
1098 print_number(ip, narg, c);
1100 print_integer_arg_valid(sysdecode_sockopt_level,
1102 str = sysdecode_sockopt_name(ip[0], ip[1]);
1112 #ifdef SYS_freebsd6_lseek
1113 case SYS_freebsd6_lseek:
1114 print_number(ip, narg, c);
1115 /* Hidden 'pad' argument, not in lseek(2) */
1116 print_number(ip, narg, c);
1117 print_number64(first, ip, narg, c);
1119 print_integer_arg(sysdecode_whence, *ip);
1125 print_number(ip, narg, c);
1126 print_number64(first, ip, narg, c);
1128 print_integer_arg(sysdecode_whence, *ip);
1133 print_number(ip, narg, c);
1135 print_mask_arg(sysdecode_flock_operation, *ip);
1143 print_number(ip, narg, c);
1145 decode_filemode(*ip);
1150 print_number(ip, narg, c);
1152 print_integer_arg(sysdecode_shutdown_how, *ip);
1156 case SYS_socketpair:
1158 print_integer_arg(sysdecode_socketdomain, *ip);
1162 print_mask_arg(sysdecode_socket_type, *ip);
1170 print_integer_arg(sysdecode_rlimit, *ip);
1177 print_integer_arg(sysdecode_getrusage_who, *ip);
1183 print_number(ip, narg, c);
1185 if (!sysdecode_quotactl_cmd(stdout, *ip)) {
1187 printf("<invalid=%d>", (int)*ip);
1189 printf("<invalid=%#x>",
1198 print_integer_arg(sysdecode_nfssvc_flags, *ip);
1204 case SYS_rtprio_thread:
1206 print_integer_arg(sysdecode_rtprio_function,
1213 print_number(ip, narg, c);
1214 print_number(ip, narg, c);
1216 print_integer_arg(sysdecode_semctl_cmd, *ip);
1221 print_number(ip, narg, c);
1222 print_number(ip, narg, c);
1224 print_mask_arg(sysdecode_semget_flags, *ip);
1229 print_number(ip, narg, c);
1231 print_integer_arg(sysdecode_msgctl_cmd, *ip);
1236 print_number(ip, narg, c);
1237 print_number(ip, narg, c);
1239 print_mask_arg(sysdecode_shmat_flags, *ip);
1244 print_number(ip, narg, c);
1246 print_integer_arg(sysdecode_shmctl_cmd, *ip);
1250 #ifdef SYS_freebsd12_shm_open
1251 case SYS_freebsd12_shm_open:
1252 if (ip[0] == (uintptr_t)SHM_ANON) {
1253 printf("(SHM_ANON");
1256 print_number(ip, narg, c);
1259 print_mask_arg(sysdecode_open_flags, ip[0]);
1261 decode_filemode(ip[1]);
1267 if (ip[0] == (uintptr_t)SHM_ANON) {
1268 printf("(SHM_ANON");
1271 print_number(ip, narg, c);
1274 print_mask_arg(sysdecode_open_flags, ip[0]);
1276 decode_filemode(ip[1]);
1278 print_mask_arg(sysdecode_shmflags, ip[2]);
1283 print_number(ip, narg, c);
1284 print_number(ip, narg, c);
1286 print_integer_arg(sysdecode_minherit_inherit,
1293 print_mask_arg(sysdecode_rfork_flags, *ip);
1298 case SYS_lio_listio:
1300 print_integer_arg(sysdecode_lio_listio_mode,
1308 print_mask_arg(sysdecode_mlockall_flags, *ip);
1312 case SYS_sched_setscheduler:
1313 print_number(ip, narg, c);
1315 print_integer_arg(sysdecode_scheduler_policy,
1320 case SYS_sched_get_priority_max:
1321 case SYS_sched_get_priority_min:
1323 print_integer_arg(sysdecode_scheduler_policy,
1329 print_number(ip, narg, c);
1330 print_number(ip, narg, c);
1331 print_number(ip, narg, c);
1332 print_number(ip, narg, c);
1333 print_number(ip, narg, c);
1334 print_number(ip, narg, c);
1336 print_mask_arg(sysdecode_sendfile_flags, *ip);
1341 print_number(ip, narg, c);
1343 print_integer_arg(sysdecode_kldsym_cmd, *ip);
1347 case SYS_sigprocmask:
1349 print_integer_arg(sysdecode_sigprocmask_how,
1355 case SYS___acl_get_file:
1356 case SYS___acl_set_file:
1357 case SYS___acl_get_fd:
1358 case SYS___acl_set_fd:
1359 case SYS___acl_delete_file:
1360 case SYS___acl_delete_fd:
1361 case SYS___acl_aclcheck_file:
1362 case SYS___acl_aclcheck_fd:
1363 case SYS___acl_get_link:
1364 case SYS___acl_set_link:
1365 case SYS___acl_delete_link:
1366 case SYS___acl_aclcheck_link:
1367 print_number(ip, narg, c);
1369 print_integer_arg(sysdecode_acltype, *ip);
1380 case SYS_extattrctl:
1381 print_number(ip, narg, c);
1383 print_integer_arg(sysdecode_extattrnamespace,
1389 print_number(ip, narg, c);
1390 print_number(ip, narg, c);
1392 print_mask_arg(sysdecode_mount_flags, *ip);
1396 case SYS_thr_create:
1397 print_number(ip, narg, c);
1398 print_number(ip, narg, c);
1400 print_mask_arg(sysdecode_thr_create_flags, *ip);
1405 print_number(ip, narg, c);
1411 case SYS_kldunloadf:
1412 print_number(ip, narg, c);
1414 print_integer_arg(sysdecode_kldunload_flags,
1422 print_number(ip, narg, c);
1424 print_integer_arg_valid(sysdecode_atfd, *ip);
1427 print_number(ip, narg, c);
1429 case SYS_cap_fcntls_limit:
1430 print_number(ip, narg, c);
1435 print_mask_arg32(sysdecode_cap_fcntlrights, arg);
1437 case SYS_posix_fadvise:
1438 print_number(ip, narg, c);
1439 print_number(ip, narg, c);
1440 print_number(ip, narg, c);
1442 print_integer_arg(sysdecode_fadvice, *ip);
1448 print_integer_arg(sysdecode_idtype, *ip);
1452 print_number64(first, ip, narg, c);
1454 print_integer_arg(sysdecode_procctl_cmd, *ip);
1459 print_number(ip, narg, c);
1461 print_integer_arg(sysdecode_umtx_op, *ip);
1463 case UMTX_OP_CV_WAIT:
1468 sysdecode_umtx_cvwait_flags, *ip);
1470 case UMTX_OP_RW_RDLOCK:
1475 sysdecode_umtx_rwlock_flags, *ip);
1483 print_number(ip, narg, c);
1484 print_number64(first, ip, narg, c);
1487 print_number(ip, narg, c);
1488 print_number(ip, narg, c);
1489 print_number(ip, narg, c);
1493 print_number(ip, narg, c);
1494 print_number(ip, narg, c);
1497 print_number(ip, narg, c);
1501 print_integer_arg(sysdecode_sysarch_number, *ip);
1507 switch (ktr->ktr_code) {
1517 print_mask_arg0(sysdecode_atflags, *ip);
1524 print_number(ip, narg, c);
1532 ktrsysret(struct ktr_sysret *ktr, u_int sv_flags)
1534 register_t ret = ktr->ktr_retval;
1535 int error = ktr->ktr_error;
1537 syscallname(ktr->ktr_code, sv_flags);
1542 printf("%ld", (long)ret);
1543 if (ret < 0 || ret > 9)
1544 printf("/%#lx", (unsigned long)ret);
1547 printf("%ld", (long)ret);
1549 printf("%#lx", (unsigned long)ret);
1551 } else if (error == ERESTART)
1553 else if (error == EJUSTRETURN)
1554 printf("JUSTRETURN");
1556 printf("-1 errno %d", sysdecode_freebsd_to_abi_errno(
1557 syscallabi(sv_flags), error));
1559 printf(" %s", strerror(ktr->ktr_error));
1565 ktrnamei(char *cp, int len)
1567 printf("\"%.*s\"\n", len, cp);
1571 hexdump(char *p, int len, int screenwidth)
1579 i = 13; /* base offset */
1580 i += (width / 2) + 1; /* spaces every second byte */
1581 i += (width * 2); /* width of bytes */
1583 i += width; /* each byte */
1585 } while (i < screenwidth);
1588 for (n = 0; n < len; n += width) {
1589 for (i = n; i < n + width; i++) {
1590 if ((i % width) == 0) { /* beginning of line */
1591 printf(" 0x%04x", i);
1597 printf("%02x", p[i] & 0xff);
1602 for (i = n; i < n + width; i++) {
1605 if (p[i] >= ' ' && p[i] <= '~')
1612 if ((i % width) != 0)
1617 visdump(char *dp, int datalen, int screenwidth)
1626 for (;datalen > 0; datalen--, dp++) {
1627 vis(visbuf, *dp, VIS_CSTYLE, *(dp+1));
1630 * Keep track of printables and
1631 * space chars (like fold(1)).
1643 width = 8 - (col&07);
1648 if (col + width > (screenwidth-2)) {
1663 ktrgenio(struct ktr_genio *ktr, int len)
1665 int datalen = len - sizeof (struct ktr_genio);
1666 char *dp = (char *)ktr + sizeof (struct ktr_genio);
1667 static int screenwidth = 0;
1670 printf("fd %d %s %d byte%s\n", ktr->ktr_fd,
1671 ktr->ktr_rw == UIO_READ ? "read" : "wrote", datalen,
1672 datalen == 1 ? "" : "s");
1675 if (screenwidth == 0) {
1678 if (fancy && ioctl(fileno(stderr), TIOCGWINSZ, &ws) != -1 &&
1680 screenwidth = ws.ws_col;
1684 if (maxdata && datalen > maxdata)
1687 for (i = 0, binary = 0; i < datalen && binary == 0; i++) {
1688 if (dp[i] >= 32 && dp[i] < 127)
1690 if (dp[i] == 10 || dp[i] == 13 || dp[i] == 0 || dp[i] == 9)
1695 hexdump(dp, datalen, screenwidth);
1697 visdump(dp, datalen, screenwidth);
1701 ktrpsig(struct ktr_psig *psig)
1705 print_signal(psig->signo);
1706 if (psig->action == SIG_DFL) {
1709 printf(" caught handler=0x%lx mask=0x%x",
1710 (u_long)psig->action, psig->mask.__bits[0]);
1713 str = sysdecode_sigcode(psig->signo, psig->code);
1717 printf("<invalid=%#x>", psig->code);
1722 ktrcsw_old(struct ktr_csw_old *cs)
1724 printf("%s %s\n", cs->out ? "stop" : "resume",
1725 cs->user ? "user" : "kernel");
1729 ktrcsw(struct ktr_csw *cs)
1731 printf("%s %s \"%s\"\n", cs->out ? "stop" : "resume",
1732 cs->user ? "user" : "kernel", cs->wmesg);
1736 ktruser(int len, void *p)
1740 if (sysdecode_utrace(stdout, p, len)) {
1749 printf(" %d", *cp++);
1751 printf(" %02x", *cp++);
1756 ktrcaprights(cap_rights_t *rightsp)
1759 printf("cap_rights_t ");
1760 sysdecode_cap_rights(stdout, rightsp);
1765 ktrtimeval(struct timeval *tv)
1768 printf("{%ld, %ld}", (long)tv->tv_sec, tv->tv_usec);
1772 ktritimerval(struct itimerval *it)
1775 printf("itimerval { .interval = ");
1776 ktrtimeval(&it->it_interval);
1777 printf(", .value = ");
1778 ktrtimeval(&it->it_value);
1783 ktrsockaddr(struct sockaddr *sa)
1786 TODO: Support additional address families
1787 #include <netsmb/netbios.h>
1788 struct sockaddr_nb *nb;
1794 * note: ktrstruct() has already verified that sa points to a
1795 * buffer at least sizeof(struct sockaddr) bytes long and exactly
1796 * sa->sa_len bytes long.
1798 printf("struct sockaddr { ");
1799 str = sysdecode_sockaddr_family(sa->sa_family);
1803 printf("<invalid=%d>", sa->sa_family);
1806 #define check_sockaddr_len(n) \
1807 if (sa_##n.s##n##_len < sizeof(struct sockaddr_##n)) { \
1808 printf("invalid"); \
1812 switch(sa->sa_family) {
1814 struct sockaddr_in sa_in;
1816 memset(&sa_in, 0, sizeof(sa_in));
1817 memcpy(&sa_in, sa, sa->sa_len);
1818 check_sockaddr_len(in);
1819 inet_ntop(AF_INET, &sa_in.sin_addr, addr, sizeof addr);
1820 printf("%s:%u", addr, ntohs(sa_in.sin_port));
1824 struct sockaddr_in6 sa_in6;
1826 memset(&sa_in6, 0, sizeof(sa_in6));
1827 memcpy(&sa_in6, sa, sa->sa_len);
1828 check_sockaddr_len(in6);
1829 getnameinfo((struct sockaddr *)&sa_in6, sizeof(sa_in6),
1830 addr, sizeof(addr), NULL, 0, NI_NUMERICHOST);
1831 printf("[%s]:%u", addr, htons(sa_in6.sin6_port));
1835 struct sockaddr_un sa_un;
1837 memset(&sa_un, 0, sizeof(sa_un));
1838 memcpy(&sa_un, sa, sa->sa_len);
1839 printf("%.*s", (int)sizeof(sa_un.sun_path), sa_un.sun_path);
1843 printf("unknown address family");
1849 ktrstat(struct stat *statp)
1851 char mode[12], timestr[PATH_MAX + 4];
1857 * note: ktrstruct() has already verified that statp points to a
1858 * buffer exactly sizeof(struct stat) bytes long.
1860 printf("struct stat {");
1861 printf("dev=%ju, ino=%ju, ",
1862 (uintmax_t)statp->st_dev, (uintmax_t)statp->st_ino);
1864 printf("mode=0%jo, ", (uintmax_t)statp->st_mode);
1866 strmode(statp->st_mode, mode);
1867 printf("mode=%s, ", mode);
1869 printf("nlink=%ju, ", (uintmax_t)statp->st_nlink);
1875 pwd = cap_getpwuid(cappwd, statp->st_uid);
1878 pwd = getpwuid(statp->st_uid);
1881 printf("uid=%ju, ", (uintmax_t)statp->st_uid);
1883 printf("uid=\"%s\", ", pwd->pw_name);
1889 grp = cap_getgrgid(capgrp, statp->st_gid);
1892 grp = getgrgid(statp->st_gid);
1895 printf("gid=%ju, ", (uintmax_t)statp->st_gid);
1897 printf("gid=\"%s\", ", grp->gr_name);
1898 printf("rdev=%ju, ", (uintmax_t)statp->st_rdev);
1901 printf("%jd", (intmax_t)statp->st_atim.tv_sec);
1903 tm = localtime(&statp->st_atim.tv_sec);
1904 strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
1905 printf("\"%s\"", timestr);
1907 if (statp->st_atim.tv_nsec != 0)
1908 printf(".%09ld, ", statp->st_atim.tv_nsec);
1913 printf("%jd", (intmax_t)statp->st_mtim.tv_sec);
1915 tm = localtime(&statp->st_mtim.tv_sec);
1916 strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
1917 printf("\"%s\"", timestr);
1919 if (statp->st_mtim.tv_nsec != 0)
1920 printf(".%09ld, ", statp->st_mtim.tv_nsec);
1925 printf("%jd", (intmax_t)statp->st_ctim.tv_sec);
1927 tm = localtime(&statp->st_ctim.tv_sec);
1928 strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
1929 printf("\"%s\"", timestr);
1931 if (statp->st_ctim.tv_nsec != 0)
1932 printf(".%09ld, ", statp->st_ctim.tv_nsec);
1935 printf("birthtime=");
1937 printf("%jd", (intmax_t)statp->st_birthtim.tv_sec);
1939 tm = localtime(&statp->st_birthtim.tv_sec);
1940 strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
1941 printf("\"%s\"", timestr);
1943 if (statp->st_birthtim.tv_nsec != 0)
1944 printf(".%09ld, ", statp->st_birthtim.tv_nsec);
1947 printf("size=%jd, blksize=%ju, blocks=%jd, flags=0x%x",
1948 (uintmax_t)statp->st_size, (uintmax_t)statp->st_blksize,
1949 (intmax_t)statp->st_blocks, statp->st_flags);
1954 ktrstruct(char *buf, size_t buflen)
1957 size_t namelen, datalen;
1959 cap_rights_t rights;
1960 struct itimerval it;
1962 struct sockaddr_storage ss;
1964 for (name = buf, namelen = 0;
1965 namelen < buflen && name[namelen] != '\0';
1968 if (namelen == buflen)
1970 if (name[namelen] != '\0')
1972 data = buf + namelen + 1;
1973 datalen = buflen - namelen - 1;
1977 for (i = 0; i < (int)namelen; ++i)
1978 if (!isalpha(name[i]))
1980 if (strcmp(name, "caprights") == 0) {
1981 if (datalen != sizeof(cap_rights_t))
1983 memcpy(&rights, data, datalen);
1984 ktrcaprights(&rights);
1985 } else if (strcmp(name, "itimerval") == 0) {
1986 if (datalen != sizeof(struct itimerval))
1988 memcpy(&it, data, datalen);
1990 } else if (strcmp(name, "stat") == 0) {
1991 if (datalen != sizeof(struct stat))
1993 memcpy(&sb, data, datalen);
1995 } else if (strcmp(name, "sockaddr") == 0) {
1996 if (datalen > sizeof(ss))
1998 memcpy(&ss, data, datalen);
1999 if (datalen != ss.ss_len)
2001 ktrsockaddr((struct sockaddr *)&ss);
2003 printf("unknown structure\n");
2007 printf("invalid record\n");
2011 ktrcapfail(struct ktr_cap_fail *ktr)
2013 switch (ktr->cap_type) {
2014 case CAPFAIL_NOTCAPABLE:
2015 /* operation on fd with insufficient capabilities */
2016 printf("operation requires ");
2017 sysdecode_cap_rights(stdout, &ktr->cap_needed);
2018 printf(", descriptor holds ");
2019 sysdecode_cap_rights(stdout, &ktr->cap_held);
2021 case CAPFAIL_INCREASE:
2022 /* requested more capabilities than fd already has */
2023 printf("attempt to increase capabilities from ");
2024 sysdecode_cap_rights(stdout, &ktr->cap_held);
2026 sysdecode_cap_rights(stdout, &ktr->cap_needed);
2028 case CAPFAIL_SYSCALL:
2029 /* called restricted syscall */
2030 printf("disallowed system call");
2032 case CAPFAIL_LOOKUP:
2033 /* absolute or AT_FDCWD path, ".." path, etc. */
2034 printf("restricted VFS lookup");
2037 printf("unknown capability failure: ");
2038 sysdecode_cap_rights(stdout, &ktr->cap_needed);
2040 sysdecode_cap_rights(stdout, &ktr->cap_held);
2047 ktrfault(struct ktr_fault *ktr)
2050 printf("0x%jx ", (uintmax_t)ktr->vaddr);
2051 print_mask_arg(sysdecode_vmprot, ktr->type);
2056 ktrfaultend(struct ktr_faultend *ktr)
2060 str = sysdecode_vmresult(ktr->result);
2064 printf("<invalid=%d>", ktr->result);
2069 ktrkevent(struct kevent *kev)
2073 switch (kev->filter) {
2079 case EVFILT_PROCDESC:
2081 printf("%ju", (uintmax_t)kev->ident);
2084 print_signal(kev->ident);
2087 printf("%p", (void *)kev->ident);
2089 printf(", filter=");
2090 print_integer_arg(sysdecode_kevent_filter, kev->filter);
2092 print_mask_arg0(sysdecode_kevent_flags, kev->flags);
2093 printf(", fflags=");
2094 sysdecode_kevent_fflags(stdout, kev->filter, kev->fflags,
2096 printf(", data=%#jx, udata=%p }", (uintmax_t)kev->data, kev->udata);
2100 ktrstructarray(struct ktr_struct_array *ksa, size_t buflen)
2104 size_t namelen, datalen;
2108 buflen -= sizeof(*ksa);
2109 for (name = (char *)(ksa + 1), namelen = 0;
2110 namelen < buflen && name[namelen] != '\0';
2113 if (namelen == buflen)
2115 if (name[namelen] != '\0')
2118 for (i = 0; i < (int)namelen; ++i)
2119 if (!isalnum(name[i]) && name[i] != '_')
2121 data = name + namelen + 1;
2122 datalen = buflen - namelen - 1;
2123 printf("struct %s[] = { ", name);
2125 for (; datalen >= ksa->struct_size;
2126 data += ksa->struct_size, datalen -= ksa->struct_size) {
2131 if (strcmp(name, "kevent") == 0) {
2132 if (ksa->struct_size != sizeof(kev))
2134 memcpy(&kev, data, sizeof(kev));
2136 } else if (strcmp(name, "kevent_freebsd11") == 0) {
2137 struct kevent_freebsd11 kev11;
2139 if (ksa->struct_size != sizeof(kev11))
2141 memcpy(&kev11, data, sizeof(kev11));
2142 memset(&kev, 0, sizeof(kev));
2143 kev.ident = kev11.ident;
2144 kev.filter = kev11.filter;
2145 kev.flags = kev11.flags;
2146 kev.fflags = kev11.fflags;
2147 kev.data = kev11.data;
2148 kev.udata = kev11.udata;
2150 #ifdef _WANT_KEVENT32
2151 } else if (strcmp(name, "kevent32") == 0) {
2152 struct kevent32 kev32;
2154 if (ksa->struct_size != sizeof(kev32))
2156 memcpy(&kev32, data, sizeof(kev32));
2157 memset(&kev, 0, sizeof(kev));
2158 kev.ident = kev32.ident;
2159 kev.filter = kev32.filter;
2160 kev.flags = kev32.flags;
2161 kev.fflags = kev32.fflags;
2162 #if BYTE_ORDER == BIG_ENDIAN
2163 kev.data = kev32.data2 | ((int64_t)kev32.data1 << 32);
2165 kev.data = kev32.data1 | ((int64_t)kev32.data2 << 32);
2167 kev.udata = (void *)(uintptr_t)kev32.udata;
2169 } else if (strcmp(name, "kevent32_freebsd11") == 0) {
2170 struct kevent32_freebsd11 kev32;
2172 if (ksa->struct_size != sizeof(kev32))
2174 memcpy(&kev32, data, sizeof(kev32));
2175 memset(&kev, 0, sizeof(kev));
2176 kev.ident = kev32.ident;
2177 kev.filter = kev32.filter;
2178 kev.flags = kev32.flags;
2179 kev.fflags = kev32.fflags;
2180 kev.data = kev32.data;
2181 kev.udata = (void *)(uintptr_t)kev32.udata;
2185 printf("<unknown structure> }\n");
2192 printf("invalid record\n");
2195 printf("<bad size> }\n");
2202 fprintf(stderr, "usage: kdump [-dEnlHRrSsTA] [-f trfile] "
2203 "[-m maxdata] [-p pid] [-t trstr]\n");