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/*-
* Copyright (c) 1997 Doug Rabson
* 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 <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/module.h>
#include <sys/linker.h>
#define POINTER_WIDTH ((int)(sizeof(void *) * 2 + 2))
static void
printmod(int modid)
{
struct module_stat stat;
stat.version = sizeof(struct module_stat);
if (modstat(modid, &stat) < 0)
warn("can't stat module id %d", modid);
else
printf("\t\t%2d %s\n", stat.id, stat.name);
}
static void printfile(int fileid, int verbose)
{
struct kld_file_stat stat;
int modid;
stat.version = sizeof(struct kld_file_stat);
if (kldstat(fileid, &stat) < 0)
warn("can't stat file id %d", fileid);
else
printf("%2d %4d %p %-8jx %s\n",
stat.id, stat.refs, stat.address, (uintmax_t)stat.size,
stat.name);
if (verbose) {
printf("\tContains modules:\n");
printf("\t\tId Name\n");
for (modid = kldfirstmod(fileid); modid > 0;
modid = modfnext(modid))
printmod(modid);
}
}
static void
usage(void)
{
fprintf(stderr, "usage: kldstat [-v] [-i id] [-n filename]\n");
fprintf(stderr, " kldstat [-q] [-m modname]\n");
exit(1);
}
int
main(int argc, char** argv)
{
int c;
int verbose = 0;
int fileid = 0;
int quiet = 0;
char* filename = NULL;
char* modname = NULL;
char* p;
while ((c = getopt(argc, argv, "i:m:n:qv")) != -1)
switch (c) {
case 'i':
fileid = (int)strtoul(optarg, &p, 10);
if (*p != '\0')
usage();
break;
case 'm':
modname = optarg;
break;
case 'n':
filename = optarg;
break;
case 'q':
quiet = 1;
break;
case 'v':
verbose = 1;
break;
default:
usage();
}
argc -= optind;
argv += optind;
if (argc != 0)
usage();
if (modname != NULL) {
int modid;
struct module_stat stat;
if ((modid = modfind(modname)) < 0) {
if (!quiet)
warn("can't find module %s", modname);
return 1;
} else if (quiet) {
return 0;
}
stat.version = sizeof(struct module_stat);
if (modstat(modid, &stat) < 0)
warn("can't stat module id %d", modid);
else {
printf("Id Refs Name\n");
printf("%3d %4d %s\n", stat.id, stat.refs, stat.name);
}
return 0;
}
if (filename != NULL) {
if ((fileid = kldfind(filename)) < 0)
err(1, "can't find file %s", filename);
}
printf("Id Refs Address%*c Size Name\n", POINTER_WIDTH - 7, ' ');
if (fileid != 0)
printfile(fileid, verbose);
else
for (fileid = kldnext(0); fileid > 0; fileid = kldnext(fileid))
printfile(fileid, verbose);
return 0;
}
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