+++ /dev/null
-/*
- * Copyright (c) 1999, 2000-2001 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
- * Reserved. This file contains Original Code and/or Modifications of
- * Original Code as defined in and that are subject to the Apple Public
- * Source License Version 1.0 (the 'License'). You may not use this file
- * except in compliance with the License. Please obtain a copy of the
- * License at http://www.apple.com/publicsource and read it before using
- * this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License."
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-/*-
- * 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. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. 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
-__unused static const char copyright[] =
-"@(#) Copyright (c) 1988, 1993\n\
- The Regents of the University of California. All rights reserved.\n";
-#endif /* not lint */
-
-#ifndef lint
-#if 0
-__unused static char sccsid[] = "@(#)kdump.c 8.1 (Berkeley) 6/6/93";
-#endif
-__unused static const char rcsid[] =
- "$FreeBSD: src/usr.bin/kdump/kdump.c,v 1.17 1999/12/29 05:05:33 peter Exp $";
-#endif /* not lint */
-
-#include <errno.h>
-#include <sys/param.h>
-#include <sys/errno.h>
-#include <sys/time.h>
-#include <sys/uio.h>
-#include <sys/ktrace.h>
-#include <sys/ioctl.h>
-#include <sys/ptrace.h>
-#include <err.h>
-#include <locale.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <vis.h>
-#include "ktrace.h"
-
-#define ERESTART -1
-#define EJUSTRETURN -2
-int timestamp, decimal, fancy = 1, tail, maxdata;
-char *tracefile = DEF_TRACEFILE;
-struct ktr_header ktr_header;
-
-#define eqs(s1, s2) (strcmp((s1), (s2)) == 0)
-
-/* Forward declarations */
-void usage(void);
-int fread_tail(char *buf, int size, int num);
-void dumpheader(struct ktr_header *kth);
-void dumpheader(struct ktr_header *kth);
-void ktrsyscall(struct ktr_syscall *ktr);
-void ktrsysret(struct ktr_sysret *ktr);
-void ktrnamei(char *cp, int len);
-void ktrgenio(struct ktr_genio *ktr, int len);
-void ktrpsig(struct ktr_psig *psig);
-void ktrcsw(struct ktr_csw *cs);
-void ktruser(int len, unsigned char *p);
-
-int
-main(int argc, char *argv[])
-{
- int ch, ktrlen, size;
- void *m;
- int trpoints = ALL_POINTS;
-
- (void) setlocale(LC_CTYPE, "");
-
- while ((ch = getopt(argc,argv,"f:dlm:nRTt:")) != -1)
- switch((char)ch) {
- case 'f':
- tracefile = optarg;
- break;
- case 'd':
- decimal = 1;
- break;
- case 'l':
- tail = 1;
- break;
- case 'm':
- maxdata = atoi(optarg);
- break;
- case 'n':
- fancy = 0;
- break;
- case 'R':
- timestamp = 2; /* relative timestamp */
- break;
- case 'T':
- timestamp = 1;
- break;
- case 't':
- trpoints = getpoints(optarg);
- if (trpoints < 0)
- errx(1, "unknown trace point in %s", optarg);
- break;
- default:
- usage();
- }
-
- if (argc > optind)
- usage();
-
- m = (void *)malloc(size = 1025);
- if (m == NULL)
- errx(1, "%s", strerror(ENOMEM));
- if (!freopen(tracefile, "r", stdin))
- err(1, "%s", tracefile);
- while (fread_tail((char *)&ktr_header, sizeof(struct ktr_header), 1)) {
- if (trpoints & (1<<ktr_header.ktr_type))
- dumpheader(&ktr_header);
- if ((ktrlen = ktr_header.ktr_len) < 0)
- errx(1, "bogus length 0x%x", ktrlen);
- if (ktrlen > size) {
- m = (void *)realloc(m, ktrlen+1);
- if (m == NULL)
- errx(1, "%s", strerror(ENOMEM));
- size = ktrlen;
- }
- if (ktrlen && fread_tail(m, ktrlen, 1) == 0)
- errx(1, "data too short");
- if ((trpoints & (1<<ktr_header.ktr_type)) == 0)
- continue;
- switch (ktr_header.ktr_type) {
- case KTR_SYSCALL:
- ktrsyscall((struct ktr_syscall *)m);
- break;
- case KTR_SYSRET:
- ktrsysret((struct ktr_sysret *)m);
- break;
- case KTR_NAMEI:
- ktrnamei(m, ktrlen);
- break;
- case KTR_GENIO:
- ktrgenio((struct ktr_genio *)m, ktrlen);
- break;
- case KTR_PSIG:
- ktrpsig((struct ktr_psig *)m);
- break;
- case KTR_CSW:
- ktrcsw((struct ktr_csw *)m);
- break;
- case KTR_USER:
- ktruser(ktrlen, m);
- break;
- }
- if (tail)
- (void)fflush(stdout);
- }
-
- return 0;
-}
-
-int
-fread_tail(char *buf, int size, int num)
-{
- int i;
-
- while ((i = fread(buf, size, num, stdin)) == 0 && tail) {
- (void)sleep(1);
- clearerr(stdin);
- }
- return (i);
-}
-
-void
-dumpheader(struct ktr_header *kth)
-{
- static char unknown[64];
- static struct timeval prevtime, temp;
- char *type;
-
- 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_USER:
- type = "USER";
- break;
- default:
- (void)sprintf(unknown, "UNKNOWN(%d)", kth->ktr_type);
- type = unknown;
- }
-
- (void)printf("%6d %-8.*s ", kth->ktr_pid, MAXCOMLEN, kth->ktr_comm);
- if (timestamp) {
- if (timestamp == 2) {
- temp = kth->ktr_time;
- timevalsub(&kth->ktr_time, &prevtime);
- prevtime = temp;
- }
- (void)printf("%ld.%06d ",
- kth->ktr_time.tv_sec, kth->ktr_time.tv_usec);
- }
- (void)printf("%s ", type);
-}
-
-#include <sys/syscall.h>
-#include "syscalls.c"
-int nsyscalls = sizeof (syscallnames) / sizeof (syscallnames[0]);
-
-static char *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_STEP", "PT_ATTACH", "PT_DETACH",
- "PT_SIGEXC", "PT_THUPDATE", "PT_ATTACHEXC",
-};
-
-void
-ktrsyscall(struct ktr_syscall *ktr)
-{
- register_t narg = ktr->ktr_narg;
- unsigned long long *ip;
- char *ioctlname();
-
- if (ktr->ktr_code >= nsyscalls || ktr->ktr_code < 0)
- (void)printf("[%d]", ktr->ktr_code);
- else
- (void)printf("%s", syscallnames[ktr->ktr_code]);
- ip = &ktr->ktr_args[0];
- if (narg) {
- char c = '(';
- if (fancy) {
- if (ktr->ktr_code == SYS_ioctl) {
- char *cp;
- if (decimal)
- (void)printf("(%ld", (long)*ip);
- else
- (void)printf("(%#lx", (long)*ip);
- ip++;
- narg--;
- if ((cp = ioctlname(*ip)) != NULL)
- (void)printf(",%s", cp);
- else {
- if (decimal)
- (void)printf(",%ld", (long)*ip);
- else
- (void)printf(",%#lx ", (long)*ip);
- }
- c = ',';
- ip++;
- narg--;
- } else if (ktr->ktr_code == SYS_ptrace) {
- if (*ip < sizeof(ptrace_ops) /
- sizeof(ptrace_ops[0]) && *ip >= 0)
- (void)printf("(%s", ptrace_ops[*ip]);
-#ifdef PT_FORCEQUOTA
- else if (*ip == PT_FORCEQUOTA)
- (void)printf("(%s", "PT_FORCEQUOTA");
-#endif
-#ifdef PT_DENY_ATTACH
- else if (*ip == PT_DENY_ATTACH)
- (void)printf("(%s", "PT_DENY_ATTACH");
-#endif
-#ifdef PT_FIRSTMACH
- else if (*ip == PT_FIRSTMACH)
- (void)printf("(%s", "PT_FIRSTMACH");
-#endif
- else
- (void)printf("(%ld", (long)*ip);
- c = ',';
- ip++;
- narg--;
- }
- }
- while (narg) {
- if (decimal)
- (void)printf("%c%ld", c, (long)*ip);
- else
- (void)printf("%c%#lx", c, (long)*ip);
- c = ',';
- ip++;
- narg--;
- }
- (void)putchar(')');
- }
- (void)putchar('\n');
-}
-
-void
-ktrsysret(struct ktr_sysret *ktr)
-{
- register_t ret = ktr->ktr_retval;
- int error = ktr->ktr_error;
- int code = ktr->ktr_code;
-
- if (code >= nsyscalls || code < 0)
- (void)printf("[%d] ", code);
- else
- (void)printf("%s ", syscallnames[code]);
-
- if (error == 0) {
- if (fancy) {
- (void)printf("%d", ret);
- if (ret < 0 || ret > 9)
- (void)printf("/%#lx", (long)ret);
- } else {
- if (decimal)
- (void)printf("%ld", (long)ret);
- else
- (void)printf("%#lx", (long)ret);
- }
- } else if (error == ERESTART)
- (void)printf("RESTART");
- else if (error == EJUSTRETURN)
- (void)printf("JUSTRETURN");
- else {
- (void)printf("-1 errno %d", ktr->ktr_error);
- if (fancy)
- (void)printf(" %s", strerror(ktr->ktr_error));
- }
- (void)putchar('\n');
-}
-
-void
-ktrnamei(char *cp, int len)
-{
- (void)printf("\"%.*s\"\n", len, cp);
-}
-
-void
-ktrgenio(struct ktr_genio *ktr, int len)
-{
- int datalen = len - sizeof (struct ktr_genio);
- char *dp = (char *)ktr + sizeof (struct ktr_genio);
- char *cp;
- int col = 0;
- int width;
- char visbuf[5];
- static int screenwidth = 0;
-
- if (screenwidth == 0) {
- struct winsize ws;
-
- if (fancy && ioctl(fileno(stderr), TIOCGWINSZ, &ws) != -1 &&
- ws.ws_col > 8)
- screenwidth = ws.ws_col;
- else
- screenwidth = 80;
- }
- printf("fd %d %s %d byte%s\n", ktr->ktr_fd,
- ktr->ktr_rw == UIO_READ ? "read" : "wrote", datalen,
- datalen == 1 ? "" : "s");
- if (maxdata && datalen > maxdata)
- datalen = maxdata;
- (void)printf(" \"");
- col = 8;
- for (;datalen > 0; datalen--, dp++) {
- (void) vis(visbuf, *dp, VIS_CSTYLE, *(dp+1));
- 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;
- }
- col += width;
- do {
- (void)putchar(*cp++);
- } while (*cp);
- }
- if (col == 0)
- (void)printf(" ");
- (void)printf("\"\n");
-}
-
-char *signames[] = {
- "NULL", "HUP", "INT", "QUIT", "ILL", "TRAP", "ABRT", /* 1 - 6 */
- "EMT", "FPE", "KILL", "BUS", "SEGV", "SYS", /* 7 - 12 */
- "PIPE", "ALRM", "TERM", "URG", "STOP", "TSTP", /* 13 - 18 */
- "CONT", "CHLD", "TTIN", "TTOU", "IO", "XCPU", /* 19 - 24 */
- "XFSZ", "VTALRM", "PROF", "WINCH", "INFO", "USR1", /* 25 - 30 */
- "USR2", NULL, /* 31 - 32 */
-};
-
-void
-ktrpsig(struct ktr_psig *psig)
-{
- (void)printf("SIG%s ", signames[psig->signo]);
- if (psig->action == SIG_DFL)
- (void)printf("SIG_DFL\n");
- else
- (void)printf("caught handler=0x%lx mask=0x%x code=0x%x\n",
- (u_long)psig->action, psig->mask, psig->code);
-}
-
-void
-ktrcsw(struct ktr_csw *cs)
-{
- (void)printf("%s %s\n", cs->out ? "stop" : "resume",
- cs->user ? "user" : "kernel");
-}
-
-void
-ktruser(int len, unsigned char *p)
-{
- (void)printf("%d ", len);
- while (len--)
- (void)printf(" %02x", *p++);
- (void)printf("\n");
-
-}
-
-void
-usage(void)
-{
- (void)fprintf(stderr,
- "usage: kdump [-dnlRT] [-f trfile] [-m maxdata] [-t [cnisuw]]\n");
- exit(1);
-}