X-Git-Url: https://git.saurik.com/apple/system_cmds.git/blobdiff_plain/1c51fdde6f257ffe2a1b92d1a783dab947211e95..b51d5b5f06948960f0bfd4ad974e625ca2350936:/kdump.tproj/kdump.c diff --git a/kdump.tproj/kdump.c b/kdump.tproj/kdump.c new file mode 100644 index 0000000..7f1238e --- /dev/null +++ b/kdump.tproj/kdump.c @@ -0,0 +1,490 @@ +/* + * 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. + */ + +#ifndef lint +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 +static char sccsid[] = "@(#)kdump.c 8.1 (Berkeley) 6/6/93"; +#endif +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 */ + +#define KERNEL +extern int errno; +#include +#undef KERNEL +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "ktrace.h" + +int timestamp, decimal, fancy = 1, tail, maxdata; +char *tracefile = DEF_TRACEFILE; +struct ktr_header ktr_header; + +#define eqs(s1, s2) (strcmp((s1), (s2)) == 0) + +main(argc, argv) + int argc; + char *argv[]; +{ + int ch, ktrlen, size; + register 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(&ktr_header, sizeof(struct ktr_header), 1)) { + if (trpoints & (1< 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_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.%06ld ", + kth->ktr_time.tv_sec, kth->ktr_time.tv_usec); + } + (void)printf("%s ", type); +} + +#include +#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", +}; + +ktrsyscall(ktr) + register struct ktr_syscall *ktr; +{ + register narg = ktr->ktr_narg; + register register_t *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_GETREGS + else if (*ip == PT_GETREGS) + (void)printf("(%s", "PT_GETREGS"); +#endif +#ifdef PT_SETREGS + else if (*ip == PT_SETREGS) + (void)printf("(%s", "PT_SETREGS"); +#endif +#ifdef PT_GETFPREGS + else if (*ip == PT_GETFPREGS) + (void)printf("(%s", "PT_GETFPREGS"); +#endif +#ifdef PT_SETFPREGS + else if (*ip == PT_SETFPREGS) + (void)printf("(%s", "PT_SETFPREGS"); +#endif +#ifdef PT_GETDBREGS + else if (*ip == PT_GETDBREGS) + (void)printf("(%s", "PT_GETDBREGS"); +#endif +#ifdef PT_SETDBREGS + else if (*ip == PT_SETDBREGS) + (void)printf("(%s", "PT_SETDBREGS"); +#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'); +} + +ktrsysret(ktr) + struct ktr_sysret *ktr; +{ + register register_t ret = ktr->ktr_retval; + register int error = ktr->ktr_error; + register 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'); +} + +ktrnamei(cp, len) + char *cp; +{ + (void)printf("\"%.*s\"\n", len, cp); +} + +ktrgenio(ktr, len) + struct ktr_genio *ktr; +{ + register int datalen = len - sizeof (struct ktr_genio); + register char *dp = (char *)ktr + sizeof (struct ktr_genio); + register char *cp; + register int col = 0; + register width; + char visbuf[5]; + static 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", "IOT", /* 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", "29", "USR1", /* 25 - 30 */ + "USR2", NULL, /* 31 - 32 */ +}; + +ktrpsig(psig) + 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); +} + +ktrcsw(cs) + struct ktr_csw *cs; +{ + (void)printf("%s %s\n", cs->out ? "stop" : "resume", + cs->user ? "user" : "kernel"); +} + +ktruser(len, p) + int len; + unsigned char *p; +{ + (void)printf("%d ", len); + while (len--) + (void)printf(" %02x", *p++); + (void)printf("\n"); + +} + +usage() +{ + (void)fprintf(stderr, + "usage: kdump [-dnlRT] [-f trfile] [-m maxdata] [-t [cnisuw]]\n"); + exit(1); +}