90217cddd0
module is loaded or compiled into the kernel. This is useful mostly in startup scripts, when module should be loaded only if it wasn't compiled into the kernel nor already loaded, eg.: kldstat -q -m g_eli || kldload geom_eli.ko || err 1 'geom_eli module failed to load.'
160 lines
3.9 KiB
C
160 lines
3.9 KiB
C
/*-
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* Copyright (c) 1997 Doug Rabson
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <err.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/module.h>
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#include <sys/linker.h>
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#define POINTER_WIDTH ((int)(sizeof(void *) * 2 + 2))
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static void
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printmod(int modid)
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{
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struct module_stat stat;
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stat.version = sizeof(struct module_stat);
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if (modstat(modid, &stat) < 0)
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warn("can't stat module id %d", modid);
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else
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printf("\t\t%2d %s\n", stat.id, stat.name);
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}
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static void printfile(int fileid, int verbose)
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{
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struct kld_file_stat stat;
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int modid;
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stat.version = sizeof(struct kld_file_stat);
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if (kldstat(fileid, &stat) < 0)
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warn("can't stat file id %d", fileid);
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else
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printf("%2d %4d %p %-8jx %s\n",
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stat.id, stat.refs, stat.address, (uintmax_t)stat.size,
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stat.name);
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if (verbose) {
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printf("\tContains modules:\n");
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printf("\t\tId Name\n");
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for (modid = kldfirstmod(fileid); modid > 0;
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modid = modfnext(modid))
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printmod(modid);
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}
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}
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static void
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usage(void)
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{
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fprintf(stderr, "usage: kldstat [-v] [-i id] [-n filename]\n");
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fprintf(stderr, " kldstat [-m modname]\n");
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exit(1);
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}
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int
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main(int argc, char** argv)
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{
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int c;
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int verbose = 0;
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int fileid = 0;
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int quiet = 0;
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char* filename = NULL;
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char* modname = NULL;
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char* p;
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while ((c = getopt(argc, argv, "i:m:n:qv")) != -1)
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switch (c) {
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case 'i':
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fileid = (int)strtoul(optarg, &p, 10);
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if (*p != '\0')
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usage();
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break;
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case 'm':
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modname = optarg;
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break;
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case 'n':
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filename = optarg;
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break;
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case 'q':
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quiet = 1;
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break;
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case 'v':
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verbose = 1;
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break;
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default:
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usage();
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}
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argc -= optind;
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argv += optind;
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if (argc != 0)
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usage();
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if (modname != NULL) {
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int modid;
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struct module_stat stat;
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if ((modid = modfind(modname)) < 0) {
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if (!quiet)
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warn("can't find module %s", modname);
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return 1;
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} else if (quiet) {
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return 0;
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}
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stat.version = sizeof(struct module_stat);
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if (modstat(modid, &stat) < 0)
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warn("can't stat module id %d", modid);
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else {
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printf("Id Refs Name\n");
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printf("%3d %4d %s\n", stat.id, stat.refs, stat.name);
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}
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return 0;
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}
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if (filename != NULL) {
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if ((fileid = kldfind(filename)) < 0)
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err(1, "can't find file %s", filename);
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}
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printf("Id Refs Address%*c Size Name\n", POINTER_WIDTH - 7, ' ');
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if (fileid != 0)
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printfile(fileid, verbose);
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else
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for (fileid = kldnext(0); fileid > 0; fileid = kldnext(fileid))
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printfile(fileid, verbose);
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return 0;
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}
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