freebsd-dev/sbin/kldstat/kldstat.c

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/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
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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 <libutil.h>
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#include <stdio.h>
#include <stdlib.h>
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#include <unistd.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/module.h>
#include <sys/linker.h>
#include <strings.h>
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#define POINTER_WIDTH ((int)(sizeof(void *) * 2 + 2))
static int showdata = 0;
static void
printmod(int modid)
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{
struct module_stat stat;
bzero(&stat, sizeof(stat));
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stat.version = sizeof(struct module_stat);
if (modstat(modid, &stat) < 0)
warn("can't stat module id %d", modid);
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else
if (showdata) {
printf("\t\t%3d %s (%d, %u, 0x%lx)\n", stat.id, stat.name,
stat.data.intval, stat.data.uintval, stat.data.ulongval);
} else {
printf("\t\t%3d %s\n", stat.id, stat.name);
}
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}
static void
printfile(int fileid, int verbose, int humanized)
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{
struct kld_file_stat stat;
int modid;
char buf[5];
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stat.version = sizeof(struct kld_file_stat);
if (kldstat(fileid, &stat) < 0) {
err(1, "can't stat file id %d", fileid);
} else {
if (humanized) {
humanize_number(buf, sizeof(buf), stat.size,
"", HN_AUTOSCALE, HN_DECIMAL | HN_NOSPACE);
printf("%2d %4d %*p %5s %s",
stat.id, stat.refs, POINTER_WIDTH, stat.address, buf,
stat.name);
} else {
printf("%2d %4d %*p %8zx %s",
stat.id, stat.refs, POINTER_WIDTH, stat.address, stat.size,
stat.name);
}
}
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if (verbose) {
printf(" (%s)\n", stat.pathname);
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printf("\tContains modules:\n");
printf("\t\t Id Name\n");
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for (modid = kldfirstmod(fileid); modid > 0;
modid = modfnext(modid))
printmod(modid);
} else
printf("\n");
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}
static void
usage(void)
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{
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fprintf(stderr, "usage: kldstat [-d] [-h] [-q] [-v] [-i id] [-n filename]\n");
fprintf(stderr, " kldstat [-d] [-q] [-m modname]\n");
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exit(1);
}
int
main(int argc, char** argv)
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{
int c;
int humanized = 0;
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int verbose = 0;
int fileid = 0;
int quiet = 0;
char* filename = NULL;
char* modname = NULL;
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char* p;
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while ((c = getopt(argc, argv, "dhi:m:n:qv")) != -1)
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switch (c) {
case 'd':
showdata = 1;
break;
case 'h':
humanized = 1;
break;
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case 'i':
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fileid = (int)strtoul(optarg, &p, 10);
if (*p != '\0')
usage();
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break;
case 'm':
modname = optarg;
break;
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case 'n':
filename = optarg;
break;
case 'q':
quiet = 1;
break;
case 'v':
verbose = 1;
break;
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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 {
if (showdata) {
printf("Id Refs Name data..(int, uint, ulong)\n");
printf("%3d %4d %s (%d, %u, 0x%lx)\n", stat.id, stat.refs, stat.name,
stat.data.intval, stat.data.uintval, stat.data.ulongval);
} 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) {
if (!quiet)
warn("can't find file %s", filename);
return 1;
} else if (quiet) {
return 0;
}
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}
if (humanized)
printf("Id Refs Address%*c %5s Name\n", POINTER_WIDTH - 7, ' ', "Size");
else
printf("Id Refs Address%*c %8s Name\n", POINTER_WIDTH - 7, ' ', "Size");
if (fileid != 0)
printfile(fileid, verbose, humanized);
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else
for (fileid = kldnext(0); fileid > 0; fileid = kldnext(fileid))
printfile(fileid, verbose, humanized);
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return 0;
}