freebsd-dev/sbin/kldstat/kldstat.c
Hans Petter Selasky 83237efcdb kldstat(8): style(9) fixes.
No functional change intended.

Differential revision:  https://reviews.freebsd.org/D32506
Submitted by:   christos@
MFC after:      1 week
Sponsored by:   NVIDIA Networking
2021-12-07 11:40:22 +01:00

212 lines
5.1 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* 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 <sys/types.h>
#include <sys/param.h>
#include <sys/module.h>
#include <sys/linker.h>
#include <err.h>
#include <libutil.h>
#include <stdio.h>
#include <stdlib.h>
#include <strings.h>
#include <unistd.h>
#define PTR_WIDTH ((int)(sizeof(void *) * 2 + 2))
static void printmod(int);
static void printfile(int, int, int);
static void usage(void) __dead2;
static int showdata = 0;
static void
printmod(int modid)
{
struct module_stat stat;
bzero(&stat, sizeof(stat));
stat.version = sizeof(struct module_stat);
if (modstat(modid, &stat) < 0) {
warn("can't stat module id %d", modid);
return;
}
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);
}
static void
printfile(int fileid, int verbose, int humanized)
{
struct kld_file_stat stat;
int modid;
char buf[5];
stat.version = sizeof(struct kld_file_stat);
if (kldstat(fileid, &stat) < 0)
err(1, "can't stat file id %d", fileid);
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, PTR_WIDTH, stat.address,
buf, stat.name);
} else {
printf("%2d %4d %*p %8zx %s",
stat.id, stat.refs, PTR_WIDTH, stat.address,
stat.size, stat.name);
}
if (verbose) {
printf(" (%s)\n", stat.pathname);
printf("\tContains modules:\n");
printf("\t\t Id Name\n");
for (modid = kldfirstmod(fileid); modid > 0; modid = modfnext(modid))
printmod(modid);
} else
printf("\n");
}
static void __dead2
usage(void)
{
fprintf(stderr, "usage: %1$s [-dhqv] [-i id] [-n filename]\n"
" %1$s [-dq] [-m modname]\n", getprogname());
exit(1);
}
int
main(int argc, char *argv[])
{
struct module_stat stat;
int humanized = 0;
int verbose = 0;
int fileid = 0;
int quiet = 0;
int c, modid;
char *filename = NULL;
char *modname = NULL;
char *p;
while ((c = getopt(argc, argv, "dhi:m:n:qv")) != -1) {
switch (c) {
case 'd':
showdata = 1;
break;
case 'h':
humanized = 1;
break;
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) {
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);
}
if (humanized) {
printf("Id Refs Address%*c %5s Name\n", PTR_WIDTH - 7,
' ', "Size");
} else {
printf("Id Refs Address%*c %8s Name\n", PTR_WIDTH - 7,
' ', "Size");
}
if (fileid != 0)
printfile(fileid, verbose, humanized);
else
for (fileid = kldnext(0); fileid > 0; fileid = kldnext(fileid))
printfile(fileid, verbose, humanized);
return (0);
}