NetBSD-5.0.2/usr.bin/kdump/kdump.c
/* $NetBSD: kdump.c,v 1.99 2008/09/12 20:46:42 christos Exp $ */
/*-
* Copyright (c) 1988, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#ifndef lint
__COPYRIGHT("@(#) Copyright (c) 1988, 1993\
The Regents of the University of California. All rights reserved.");
#endif /* not lint */
#ifndef lint
#if 0
static char sccsid[] = "@(#)kdump.c 8.4 (Berkeley) 4/28/95";
#else
__RCSID("$NetBSD: kdump.c,v 1.99 2008/09/12 20:46:42 christos Exp $");
#endif
#endif /* not lint */
#include <sys/param.h>
#define _KERNEL
#include <sys/errno.h>
#undef _KERNEL
#include <sys/time.h>
#include <sys/uio.h>
#include <sys/ktrace.h>
#include <sys/ioctl.h>
#include <sys/ptrace.h>
#include <ctype.h>
#include <err.h>
#include <signal.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <vis.h>
#include "ktrace.h"
#include "setemul.h"
#include <sys/syscall.h>
static int timestamp, decimal, plain, tail, maxdata = -1, numeric;
static int word_size = 0;
static pid_t do_pid = -1;
static const char *tracefile = NULL;
static struct ktr_header ktr_header;
static int emul_changed = 0;
#define eqs(s1, s2) (strcmp((s1), (s2)) == 0)
#define small(v) (((long)(v) >= 0) && ((long)(v) < 10))
static const char * const ptrace_ops[] = {
"PT_TRACE_ME", "PT_READ_I", "PT_READ_D", "PT_READ_U",
"PT_WRITE_I", "PT_WRITE_D", "PT_WRITE_U", "PT_CONTINUE",
"PT_KILL", "PT_ATTACH", "PT_DETACH", "PT_IO",
"PT_DUMPCORE", "PT_LWPINFO", "PT_SYSCALL",
};
#ifdef PT_MACHDEP_STRINGS
static const char * const ptrace_machdep_ops[] = { PT_MACHDEP_STRINGS };
#endif
static const char * const linux_ptrace_ops[] = {
"PTRACE_TRACEME",
"PTRACE_PEEKTEXT", "PTRACE_PEEKDATA", "PTRACE_PEEKUSER",
"PTRACE_POKETEXT", "PTRACE_POKEDATA", "PTRACE_POKEUSER",
"PTRACE_CONT", "PTRACE_KILL", "PTRACE_SINGLESTEP",
NULL, NULL,
"PTRACE_GETREGS", "PTRACE_SETREGS", "PTRACE_GETFPREGS",
"PTRACE_SETFPREGS", "PTRACE_ATTACH", "PTRACE_DETACH",
NULL, NULL, NULL, NULL, NULL, NULL,
"PTRACE_SYSCALL",
};
int main(int, char **);
static int fread_tail(void *, size_t, size_t);
static int dumpheader(struct ktr_header *);
static void output_long(u_long, int);
static void ioctldecode(u_long);
static void ktrsyscall(struct ktr_syscall *);
static void ktrsysret(struct ktr_sysret *, int);
static void ktrnamei(char *, int);
static void ktremul(char *, int, int);
static void ktrgenio(struct ktr_genio *, int);
static void ktrpsig(void *, int);
static void ktrcsw(struct ktr_csw *);
static void ktruser(struct ktr_user *, int);
static void ktrmmsg(struct ktr_mmsg *, int);
static void ktrmool(struct ktr_mool *, int);
static void ktrmib(int *, int);
static void usage(void) __dead;
static void eprint(int);
static void rprint(register_t);
static const char *signame(long, int);
static void hexdump_buf(const void *, int, int);
static void visdump_buf(const void *, int, int);
int
main(int argc, char **argv)
{
int ch, ktrlen, size;
void *m;
int trpoints = 0;
int trset = 0;
const char *emul_name = "netbsd";
int col;
char *cp;
setprogname(argv[0]);
while ((ch = getopt(argc, argv, "e:f:dlm:Nnp:RTt:xX:")) != -1) {
switch (ch) {
case 'e':
emul_name = strdup(optarg); /* it's safer to copy it */
break;
case 'f':
tracefile = optarg;
break;
case 'd':
decimal = 1;
break;
case 'l':
tail = 1;
break;
case 'p':
do_pid = strtoul(optarg, &cp, 0);
if (*cp != 0)
errx(1,"invalid number %s", optarg);
break;
case 'm':
maxdata = strtoul(optarg, &cp, 0);
if (*cp != 0)
errx(1,"invalid number %s", optarg);
break;
case 'N':
numeric++;
break;
case 'n':
plain++;
break;
case 'R':
timestamp = 2; /* relative timestamp */
break;
case 'T':
timestamp = 1;
break;
case 't':
trset = 1;
trpoints = getpoints(trpoints, optarg);
if (trpoints < 0)
errx(1, "unknown trace point in %s", optarg);
break;
case 'x':
word_size = 1;
break;
case 'X':
word_size = strtoul(optarg, &cp, 0);
if (*cp != 0 || word_size & (word_size - 1) ||
word_size > 16 || word_size <= 0)
errx(1, "argument to -X must be "
"1, 2, 4, 8 or 16");
break;
default:
usage();
}
}
argv += optind;
argc -= optind;
if (!trset)
trpoints = ALL_POINTS;
if (tracefile == NULL) {
if (argc == 1) {
tracefile = argv[0];
argv++;
argc--;
} else
tracefile = DEF_TRACEFILE;
}
if (argc > 0)
usage();
setemul(emul_name, 0, 0);
mach_lookup_emul();
m = malloc(size = 1024);
if (m == NULL)
errx(1, "malloc: %s", strerror(ENOMEM));
if (!freopen(tracefile, "r", stdin))
err(1, "%s", tracefile);
while (fread_tail(&ktr_header, sizeof(struct ktr_header), 1)) {
if (trpoints & (1 << ktr_header.ktr_type) &&
(do_pid == -1 || ktr_header.ktr_pid == do_pid))
col = dumpheader(&ktr_header);
else
col = -1;
if ((ktrlen = ktr_header.ktr_len) < 0)
errx(1, "bogus length 0x%x", ktrlen);
if (ktrlen > size) {
while (ktrlen > size)
size *= 2;
m = realloc(m, size);
if (m == NULL)
errx(1, "realloc: %s", strerror(ENOMEM));
}
if (ktrlen && fread_tail(m, ktrlen, 1) == 0)
errx(1, "data too short");
if (col == -1)
continue;
/* update context to match currently processed record */
ectx_sanify(ktr_header.ktr_pid);
switch (ktr_header.ktr_type) {
case KTR_SYSCALL:
ktrsyscall(m);
break;
case KTR_SYSRET:
ktrsysret(m, ktrlen);
break;
case KTR_NAMEI:
ktrnamei(m, ktrlen);
break;
case KTR_GENIO:
ktrgenio(m, ktrlen);
break;
case KTR_PSIG:
ktrpsig(m, ktrlen);
break;
case KTR_CSW:
ktrcsw(m);
break;
case KTR_EMUL:
ktremul(m, ktrlen, size);
break;
case KTR_USER:
ktruser(m, ktrlen);
break;
case KTR_MMSG:
ktrmmsg(m, ktrlen);
break;
case KTR_MOOL:
ktrmool(m, ktrlen);
break;
case KTR_EXEC_ARG:
case KTR_EXEC_ENV:
visdump_buf(m, ktrlen, col);
break;
case KTR_MIB:
ktrmib(m, ktrlen);
break;
default:
putchar('\n');
hexdump_buf(m, ktrlen, word_size ? word_size : 1);
}
if (tail)
(void)fflush(stdout);
}
return (0);
}
static int
fread_tail(void *buf, size_t num, size_t size)
{
int i;
while ((i = fread(buf, size, num, stdin)) == 0 && tail) {
(void)sleep(1);
clearerr(stdin);
}
return (i);
}
static int
dumpheader(struct ktr_header *kth)
{
char unknown[64];
const char *type;
union holdtime {
struct timeval tv;
struct timespec ts;
};
static union holdtime prevtime;
union holdtime temp;
int col;
switch (kth->ktr_type) {
case KTR_SYSCALL:
type = "CALL";
break;
case KTR_SYSRET:
type = "RET ";
break;
case KTR_NAMEI:
type = "NAMI";
break;
case KTR_GENIO:
type = "GIO ";
break;
case KTR_PSIG:
type = "PSIG";
break;
case KTR_CSW:
type = "CSW ";
break;
case KTR_EMUL:
type = "EMUL";
break;
case KTR_USER:
type = "MISC";
break;
case KTR_MMSG:
type = "MMSG";
break;
case KTR_MOOL:
type = "MOOL";
break;
case KTR_EXEC_ENV:
type = "ENV";
break;
case KTR_EXEC_ARG:
type = "ARG";
break;
case KTR_SAUPCALL:
type = "SAU";
break;
case KTR_MIB:
type = "MIB";
break;
default:
(void)snprintf(unknown, sizeof(unknown), "UNKNOWN(%d)",
kth->ktr_type);
type = unknown;
}
col = printf("%6d ", kth->ktr_pid);
if (kth->ktr_version > KTRFACv0)
col += printf("%6d ", kth->ktr_lid);
col += printf("%-8.*s ", MAXCOMLEN, kth->ktr_comm);
if (timestamp) {
if (timestamp == 2) {
if (kth->ktr_version == KTRFACv0) {
if (prevtime.tv.tv_sec == 0)
temp.tv.tv_sec = temp.tv.tv_usec = 0;
else
timersub(&kth->ktr_tv,
&prevtime.tv, &temp.tv);
prevtime.tv = kth->ktr_tv;
} else {
if (prevtime.ts.tv_sec == 0)
temp.ts.tv_sec = temp.ts.tv_nsec = 0;
else
timespecsub(&kth->ktr_time,
&prevtime.ts, &temp.ts);
prevtime.ts = kth->ktr_time;
}
} else {
if (kth->ktr_version == KTRFACv0)
temp.tv = kth->ktr_tv;
else
temp.ts = kth->ktr_time;
}
if (kth->ktr_version == KTRFACv0)
col += printf("%ld.%06ld ",
(long)temp.tv.tv_sec, (long)temp.tv.tv_usec);
else
col += printf("%ld.%09ld ",
(long)temp.ts.tv_sec, (long)temp.ts.tv_nsec);
}
col += printf("%-4s ", type);
return col;
}
static void
output_long(u_long it, int as_x)
{
if (cur_emul->flags & EMUL_FLAG_NETBSD32)
printf(as_x ? "%#x" : "%d", (u_int)it);
else
printf(as_x ? "%#lx" : "%ld", it);
}
static void
ioctldecode(u_long cmd)
{
char dirbuf[4], *dir = dirbuf;
int c;
if (cmd & IOC_IN)
*dir++ = 'W';
if (cmd & IOC_OUT)
*dir++ = 'R';
*dir = '\0';
c = (cmd >> 8) & 0xff;
if (isprint(c))
printf(",_IO%s('%c',", dirbuf, c);
else
printf(",_IO%s(0x%02x,", dirbuf, c);
output_long(cmd & 0xff, decimal == 0);
if ((cmd & IOC_VOID) == 0) {
putchar(',');
output_long(IOCPARM_LEN(cmd), decimal == 0);
}
putchar(')');
}
static void
ktrsyscall(struct ktr_syscall *ktr)
{
int argcount;
const struct emulation *emul = cur_emul;
register_t *ap;
char c;
const char *cp;
const char *sys_name;
argcount = ktr->ktr_argsize / sizeof (*ap);
emul_changed = 0;
if (numeric ||
((ktr->ktr_code >= emul->nsysnames || ktr->ktr_code < 0) &&
mach_traps_dispatch(&ktr->ktr_code, &emul) == 0)) {
sys_name = "?";
(void)printf("[%d]", ktr->ktr_code);
} else {
sys_name = emul->sysnames[ktr->ktr_code];
(void)printf("%s", sys_name);
}
#ifdef _LP64
#define NETBSD32_ "netbsd32_"
if (cur_emul->flags & EMUL_FLAG_NETBSD32) {
size_t len = strlen(NETBSD32_);
if (strncmp(sys_name, NETBSD32_, len) == 0)
sys_name += len;
}
#undef NETBSD32_
#endif
ap = (register_t *)((char *)ktr + sizeof(struct ktr_syscall));
if (argcount) {
c = '(';
if (plain) {
;
} else if (strcmp(sys_name, "exit") == 0) {
ectx_delete();
} else if (strcmp(sys_name, "ioctl") == 0 && argcount >= 2) {
(void)putchar('(');
output_long((long)*ap, !(decimal || small(*ap)));
ap++;
argcount--;
if ((cp = ioctlname(*ap)) != NULL)
(void)printf(",%s", cp);
else
ioctldecode(*ap);
ap++;
argcount--;
c = ',';
} else if ((strstr(sys_name, "sigaction") != NULL ||
strstr(sys_name, "sigvec") != NULL) && argcount >= 1) {
(void)printf("(SIG%s", signame(ap[0], 1));
ap += 1;
argcount -= 1;
c = ',';
} else if ((strcmp(sys_name, "kill") == 0 ||
strcmp(sys_name, "killpg") == 0) && argcount >= 2) {
putchar('(');
output_long((long)ap[0], !(decimal || small(*ap)));
(void)printf(", SIG%s", signame(ap[1], 1));
ap += 2;
argcount -= 2;
c = ',';
} else if (strcmp(sys_name, "ptrace") == 0 && argcount >= 1) {
putchar('(');
if (strcmp(emul->name, "linux") == 0 ||
strcmp(emul->name, "linux32") == 0) {
if ((long)*ap >= 0 && *ap <
sizeof(linux_ptrace_ops) /
sizeof(linux_ptrace_ops[0]))
(void)printf("%s",
linux_ptrace_ops[*ap]);
else
output_long((long)*ap, 1);
} else {
if ((long)*ap >= 0 && *ap <
sizeof(ptrace_ops) / sizeof(ptrace_ops[0]))
(void)printf("%s", ptrace_ops[*ap]);
#ifdef PT_MACHDEP_STRINGS
else if (*ap >= PT_FIRSTMACH &&
*ap - PT_FIRSTMACH <
sizeof(ptrace_machdep_ops) /
sizeof(ptrace_machdep_ops[0]))
(void)printf("%s", ptrace_machdep_ops[*ap - PT_FIRSTMACH]);
#endif
else
output_long((long)*ap, 1);
}
ap++;
argcount--;
c = ',';
}
while (argcount > 0) {
putchar(c);
output_long((long)*ap, !(decimal || small(*ap)));
ap++;
argcount--;
c = ',';
}
(void)putchar(')');
}
(void)putchar('\n');
}
static void
ktrsysret(struct ktr_sysret *ktr, int len)
{
const struct emulation *emul;
int error = ktr->ktr_error;
int code = ktr->ktr_code;
if (emul_changed) {
/* In order to get system call name right in execve return */
emul = prev_emul;
emul_changed = 0;
} else
emul = cur_emul;
if (numeric || ((code >= emul->nsysnames || code < 0 || plain > 1) &&
mach_traps_dispatch(&code, &emul) == 0))
(void)printf("[%d] ", code);
else
(void)printf("%s ", emul->sysnames[code]);
switch (error) {
case 0:
rprint(ktr->ktr_retval);
if (len > offsetof(struct ktr_sysret, ktr_retval_1) &&
ktr->ktr_retval_1 != 0) {
(void)printf(", ");
rprint(ktr->ktr_retval_1);
}
break;
default:
eprint(error);
break;
}
(void)putchar('\n');
}
static void
rprint(register_t ret)
{
if (!plain) {
(void)printf("%ld", (long)ret);
if (!small(ret))
(void)printf("/%#lx", (long)ret);
} else {
if (decimal || small(ret))
(void)printf("%ld", (long)ret);
else
(void)printf("%#lx", (long)ret);
}
}
/*
* We print the original emulation's error numerically, but we
* translate it to netbsd to print it symbolically.
*/
static void
eprint(int e)
{
int i = e;
if (cur_emul->errnomap) {
/* No remapping for ERESTART and EJUSTRETURN */
/* Kludge for linux that has negative error numbers */
if (cur_emul->errnomap[2] > 0 && e < 0)
goto normal;
for (i = 0; i < cur_emul->nerrnomap; i++)
if (e == cur_emul->errnomap[i])
break;
if (i == cur_emul->nerrnomap) {
printf("-1 unknown errno %d", e);
return;
}
}
normal:
switch (i) {
case ERESTART:
(void)printf("RESTART");
break;
case EJUSTRETURN:
(void)printf("JUSTRETURN");
break;
default:
(void)printf("-1 errno %d", e);
if (!plain)
(void)printf(" %s", strerror(i));
}
}
static void
ktrnamei(char *cp, int len)
{
(void)printf("\"%.*s\"\n", len, cp);
}
static void
ktremul(char *name, int len, int bufsize)
{
if (len >= bufsize)
len = bufsize - 1;
name[len] = '\0';
setemul(name, ktr_header.ktr_pid, 1);
emul_changed = 1;
(void)printf("\"%s\"\n", name);
}
static void
hexdump_buf(const void *vdp, int datalen, int word_sz)
{
const char hex[] = "0123456789abcdef";
char chars[16], prev[16];
char bytes[16 * 3 + 4];
const unsigned char *dp = vdp;
const unsigned char *datalim = dp + datalen;
const unsigned char *line_end;
int off, l = 0, c;
char *cp, *bp;
int divmask = word_sz - 1; /* block size in bytes */
int gdelim = 3; /* gap between blocks */
int bsize = 2; /* increment for each byte */
int width;
int dupl = 0;
#if _BYTE_ORDER == _LITTLE_ENDIAN
int bswap = word_sz - 1;
#else
#define bswap 0
#endif
switch (word_sz) {
case 2:
gdelim = 2;
break;
case 1:
divmask = 7;
bsize = 3;
gdelim = 1;
break;
default:
break;
}
width = 16 * bsize + (16 / (divmask + 1)) * gdelim;
if (word_sz != 1)
width += 2;
for (off = 0; dp < datalim; off += l) {
memset(bytes, ' ', sizeof bytes);
line_end = dp + 16;
if (line_end >= datalim) {
line_end = datalim;
dupl |= 1; /* need to print */
} else {
if (dupl == 0 || memcmp(dp, prev, sizeof chars))
dupl |= 1;
}
if (!(dupl & 1)) {
/* This is a duplicate of the line above, count 'em */
dupl += 2;
dp = line_end;
continue;
}
if (dupl > 3) {
/* previous line as a duplicate */
if (dupl == 5)
/* Only one duplicate, print line */
printf("\t%-5.3x%.*s%.*s\n",
off - l, width, bytes, l, chars);
else
printf("\t%.*s\n",
snprintf(NULL, 0, "%3x", off), "*****");
}
for (l = 0, bp = bytes, cp = chars; dp < line_end; l++) {
c = *dp++;
prev[l] = c;
if ((l & divmask) == 0)
bp += gdelim;
bp[(l ^ bswap) * bsize] = hex[c >> 4];
bp[(l ^ bswap) * bsize + 1] = hex[c & 0xf];
*cp++ = isgraph(c) ? c : '.';
}
printf("\t%-5.3x%.*s%.*s\n", off, width, bytes, l, chars);
dupl = 2;
}
}
static void
visdump_buf(const void *vdp, int datalen, int col)
{
const unsigned char *dp = vdp;
char *cp;
int width;
char visbuf[5];
static int screenwidth = 0;
if (screenwidth == 0) {
struct winsize ws;
if (!plain && ioctl(fileno(stderr), TIOCGWINSZ, &ws) != -1 &&
ws.ws_col > 8)
screenwidth = ws.ws_col;
else
screenwidth = 80;
}
(void)printf("\"");
col++;
for (; datalen > 0; datalen--, dp++) {
(void)svis(visbuf, *dp, VIS_CSTYLE,
datalen > 1 ? *(dp + 1) : 0, "\"\n");
cp = visbuf;
/*
* Keep track of printables and
* space chars (like fold(1)).
*/
if (col == 0) {
(void)putchar('\t');
col = 8;
}
switch (*cp) {
case '\n':
col = 0;
(void)putchar('\n');
continue;
case '\t':
width = 8 - (col & 07);
break;
default:
width = strlen(cp);
}
if (col + width > (screenwidth - 2)) {
(void)printf("\\\n\t");
col = 8;
if (*cp == '\t')
width = 8;
}
col += width;
do {
(void)putchar(*cp++);
} while (*cp);
}
if (col == 0)
(void)printf(" ");
(void)printf("\"\n");
}
static void
ktrgenio(struct ktr_genio *ktr, int len)
{
int datalen = len - sizeof (struct ktr_genio);
char *dp = (char *)ktr + sizeof (struct ktr_genio);
if (ktr->ktr_fd != -1)
printf("fd %d ", ktr->ktr_fd);
printf("%s %d bytes\n",
ktr->ktr_rw == UIO_READ ? "read" : "wrote", datalen);
if (maxdata == 0)
return;
if (maxdata > 0 && datalen > maxdata)
datalen = maxdata;
if (word_size) {
hexdump_buf(dp, datalen, word_size);
return;
}
(void)printf(" ");
visdump_buf(dp, datalen, 7);
}
static void
ktrpsig(void *v, int len)
{
int signo, first;
struct {
struct ktr_psig ps;
siginfo_t si;
} *psig = v;
siginfo_t *si = &psig->si;
const char *code;
(void)printf("SIG%s ", signame(psig->ps.signo, 0));
if (psig->ps.action == SIG_DFL)
(void)printf("SIG_DFL");
else {
(void)printf("caught handler=%p mask=(", psig->ps.action);
first = 1;
for (signo = 1; signo < NSIG; signo++) {
if (sigismember(&psig->ps.mask, signo)) {
if (first)
first = 0;
else
(void)printf(",");
(void)printf("%d", signo);
}
}
(void)printf(")");
}
switch (len) {
case sizeof(struct ktr_psig):
if (psig->ps.code)
printf(" code=0x%x", psig->ps.code);
printf(psig->ps.action == SIG_DFL ? "\n" : ")\n");
return;
case sizeof(*psig):
if (si->si_code == 0) {
printf(": code=SI_USER sent by pid=%d, uid=%d)\n",
si->si_pid, si->si_uid);
return;
}
if (si->si_code < 0) {
switch (si->si_code) {
case SI_TIMER:
printf(": code=SI_TIMER sigval %p)\n",
si->si_value.sival_ptr);
return;
case SI_QUEUE:
code = "SI_QUEUE";
break;
case SI_ASYNCIO:
code = "SI_ASYNCIO";
break;
case SI_MESGQ:
code = "SI_MESGQ";
break;
default:
code = NULL;
break;
}
if (code)
printf(": code=%s unimplemented)\n", code);
else
printf(": code=%d unimplemented)\n",
si->si_code);
return;
}
if (si->si_code == SI_NOINFO) {
printf(": code=SI_NOINFO\n");
return;
}
code = siginfocodename(si->si_signo, si->si_code);
switch (si->si_signo) {
case SIGCHLD:
printf(": code=%s child pid=%d, uid=%d, "
" status=%u, utime=%lu, stime=%lu)\n",
code, si->si_pid,
si->si_uid, si->si_status,
(unsigned long) si->si_utime,
(unsigned long) si->si_stime);
return;
case SIGILL:
case SIGFPE:
case SIGSEGV:
case SIGBUS:
case SIGTRAP:
printf(": code=%s, addr=%p, trap=%d)\n",
code, si->si_addr, si->si_trap);
return;
case SIGIO:
printf(": code=%s, fd=%d, band=%lx)\n",
code, si->si_fd, si->si_band);
return;
default:
printf(": code=%s, errno=%d)\n",
code, si->si_errno);
return;
}
/*NOTREACHED*/
default:
warnx("Unhandled size %d for ktrpsig\n", len);
break;
}
}
static void
ktrcsw(struct ktr_csw *cs)
{
(void)printf("%s %s\n", cs->out ? "stop" : "resume",
cs->user ? "user" : "kernel");
}
static void
ktruser(struct ktr_user *usr, int len)
{
int i;
unsigned char *dta;
len -= sizeof(struct ktr_user);
printf("%.*s:", KTR_USER_MAXIDLEN, usr->ktr_id);
dta = (unsigned char *)(usr + 1);
if (word_size) {
printf("\n");
hexdump_buf(dta, len, word_size);
return;
}
printf(" %d, ", len);
for (i = 0; i < len; i++)
printf("%02x", (unsigned int) dta[i]);
printf("\n");
}
static void
ktrmmsg(struct ktr_mmsg *mmsg, int len)
{
const char *service_name;
const char *reply;
int id;
id = mmsg->ktr_id;
if ((id / 100) % 2) { /* Message reply */
reply = " reply";
id -= 100;
} else {
reply = "";
}
if ((service_name = mach_service_name(id)) != NULL)
printf("%s%s [%d]\n", service_name, reply, mmsg->ktr_id);
else
printf("unknown service%s [%d]\n", reply, mmsg->ktr_id);
hexdump_buf(mmsg, len, word_size ? word_size : 4);
}
static void
ktrmool(struct ktr_mool *mool, int len)
{
size_t size = mool->size;
printf("%ld/0x%lx bytes at %p\n",
(u_long)size, (u_long)size, mool->uaddr);
mool++;
hexdump_buf(mool, size, word_size ? word_size : 4);
}
static void
ktrmib(int *namep, int len)
{
int i;
for (i = 0; i < (len / sizeof(*namep)); i++)
printf("%s%d", (i == 0) ? "" : ".", namep[i]);
printf("\n");
}
static const char *
signame(long sig, int xlat)
{
static char buf[64];
if (sig == 0)
return " 0";
else if (sig < 0 || sig >= NSIG) {
(void)snprintf(buf, sizeof(buf), "*unknown %ld*", sig);
return buf;
} else
return sys_signame[(xlat && cur_emul->signalmap != NULL) ?
cur_emul->signalmap[sig] : sig];
}
static void
usage(void)
{
(void)fprintf(stderr, "Usage: %s [-dlNnRT] [-e emulation] "
"[-f file] [-m maxdata] [-p pid]\n [-t trstr] "
"[-x | -X size] [file]\n", getprogname());
exit(1);
}