0693424576
alowing the DDB output capture buffer to be easily extracted from user space. Both of these commands include -M/-N arguments, allowing them to be used with kernel crash dumps (or /dev/mem). This makes it easier to use DDB scripting and output capture with minidumps or full dumps rather than with text dumps, allowing DDB output (scripted or otherwise) to be easily extracted from a crash dump. MFC after: 1 week Discussed with: brooks, jhb
134 lines
3.4 KiB
C
134 lines
3.4 KiB
C
/*-
|
|
* Copyright (c) 2007 Robert N. M. Watson
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <err.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sysexits.h>
|
|
#include <unistd.h>
|
|
|
|
#include "ddb.h"
|
|
|
|
void ddb_readfile(char *file);
|
|
void ddb_main(int argc, char *argv[]);
|
|
|
|
void
|
|
usage(void)
|
|
{
|
|
|
|
fprintf(stderr, "usage: ddb capture [-M core] [-N system] print\n");
|
|
fprintf(stderr, " ddb capture [-M core] [-N system] status\n");
|
|
fprintf(stderr, " ddb script scriptname\n");
|
|
fprintf(stderr, " ddb script scriptname=script\n");
|
|
fprintf(stderr, " ddb scripts\n");
|
|
fprintf(stderr, " ddb unscript scriptname\n");
|
|
fprintf(stderr, " ddb pathname\n");
|
|
exit(EX_USAGE);
|
|
}
|
|
|
|
void
|
|
ddb_readfile(char *filename)
|
|
{
|
|
char buf[BUFSIZ];
|
|
FILE* f;
|
|
|
|
if ((f = fopen(filename, "r")) == NULL)
|
|
err(EX_UNAVAILABLE, "fopen: %s", filename);
|
|
|
|
#define WHITESP " \t"
|
|
#define MAXARG 2
|
|
while (fgets(buf, BUFSIZ, f)) {
|
|
int argc = 0;
|
|
char *argv[MAXARG];
|
|
size_t spn;
|
|
|
|
spn = strlen(buf);
|
|
if (buf[spn-1] == '\n')
|
|
buf[spn-1] = '\0';
|
|
|
|
spn = strspn(buf, WHITESP);
|
|
argv[0] = buf + spn;
|
|
if (*argv[0] == '#' || *argv[0] == '\0')
|
|
continue;
|
|
argc++;
|
|
|
|
spn = strcspn(argv[0], WHITESP);
|
|
argv[1] = argv[0] + spn + strspn(argv[0] + spn, WHITESP);;
|
|
argv[0][spn] = '\0';
|
|
if (*argv[1] != '\0')
|
|
argc++;
|
|
|
|
#ifdef DEBUG
|
|
{
|
|
int i;
|
|
printf("argc = %d\n", argc);
|
|
for (i = 0; i < argc; i++) {
|
|
printf("arg[%d] = %s\n", i, argv[i]);
|
|
}
|
|
}
|
|
#endif
|
|
ddb_main(argc, argv);
|
|
}
|
|
}
|
|
|
|
void
|
|
ddb_main(int argc, char *argv[])
|
|
{
|
|
|
|
if (argc < 1)
|
|
usage();
|
|
|
|
if (strcmp(argv[0], "capture") == 0)
|
|
ddb_capture(argc, argv);
|
|
else if (strcmp(argv[0], "script") == 0)
|
|
ddb_script(argc, argv);
|
|
else if (strcmp(argv[0], "scripts") == 0)
|
|
ddb_scripts(argc, argv);
|
|
else if (strcmp(argv[0], "unscript") == 0)
|
|
ddb_unscript(argc, argv);
|
|
else
|
|
usage();
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
|
|
/*
|
|
* If we've only got one argument and it's an absolute path to a file,
|
|
* interpret as a file to be read in.
|
|
*/
|
|
if (argc == 2 && argv[1][0] == '/' && access(argv[1], R_OK) == 0)
|
|
ddb_readfile(argv[1]);
|
|
else
|
|
ddb_main(argc-1, argv+1);
|
|
exit(EX_OK);
|
|
}
|