kldstat.c revision 30627 
1/*-
2 * Copyright (c) 1997 Doug Rabson
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 *	$Id: kldstat.c,v 1.2 1997/10/19 11:15:44 jmg Exp $
27 */
28
29#include <err.h>
30#include <stdio.h>
31#include <stdlib.h>
32#include <unistd.h>
33#include <sys/types.h>
34#include <sys/param.h>
35#include <sys/module.h>
36#include <sys/linker.h>
37
38static void
39printmod(int modid)
40{
41    struct module_stat stat;
42
43    stat.version = sizeof(struct module_stat);
44    if (modstat(modid, &stat) < 0)
45	warn("Can't stat module id %d", modid);
46    else
47	printf("\t\t%2d %s\n", stat.id, stat.name);
48}
49
50static void printfile(int fileid, int verbose)
51{
52    struct kld_file_stat stat;
53    int modid;
54
55    stat.version = sizeof(struct kld_file_stat);
56    if (kldstat(fileid, &stat) < 0)
57	warn("Can't stat file id %d", fileid);
58    else
59	printf("%2d %4d %p %-8x %s\n",
60	       stat.id, stat.refs, stat.address, stat.size, stat.name);
61
62    if (verbose) {
63	printf("\tContains modules:\n");
64	printf("\t\tId Name\n");
65	for (modid = kldfirstmod(fileid); modid > 0;
66	     modid = modfnext(modid))
67	    printmod(modid);
68    }
69}
70
71static void
72usage(void)
73{
74    fprintf(stderr, "usage: kldstat [-v]\n");
75    exit(1);
76}
77
78int
79main(int argc, char** argv)
80{
81    int c;
82    int verbose = 0;
83    int fileid = 0;
84    char* filename = 0;
85
86    while ((c = getopt(argc, argv, "i:n:v")) != -1)
87	switch (c) {
88	case 'i':
89	    fileid = atoi(optarg);
90	    break;
91	case 'n':
92	    filename = optarg;
93	    break;
94	case 'v':
95	    verbose = 1;
96	    break;
97	default:
98	    usage();
99	}
100    argc -= optind;
101    argv += optind;
102
103    if (argc != 0)
104	usage();
105
106    if (filename) {
107	if ((fileid = kldfind(filename)) < 0)
108	    err(1, "Can't find file %s", filename);
109    }
110
111    printf("Id Refs Address  Size     Name\n");
112    if (fileid)
113	printfile(fileid, verbose);
114    else
115	for (fileid = kldnext(0); fileid > 0; fileid = kldnext(fileid))
116	    printfile(fileid, verbose);
117
118    return 0;
119}
120