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
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: head/sbin/kldstat/kldstat.c 145861 2005-05-04 12:46:43Z fjoe $");
29
30#include <err.h>
31#include <stdint.h>
32#include <stdio.h>
33#include <stdlib.h>
34#include <unistd.h>
35#include <sys/types.h>
36#include <sys/param.h>
37#include <sys/module.h>
38#include <sys/linker.h>
39
40#define POINTER_WIDTH ((int)(sizeof(void *) * 2 + 2))
41
42static void
43printmod(int modid)
44{
45 struct module_stat stat;
46
47 stat.version = sizeof(struct module_stat);
48 if (modstat(modid, &stat) < 0)
49 warn("can't stat module id %d", modid);
50 else
51 printf("\t\t%2d %s\n", stat.id, stat.name);
52}
53
54static void printfile(int fileid, int verbose)
55{
56 struct kld_file_stat stat;
57 int modid;
58
59 stat.version = sizeof(struct kld_file_stat);
60 if (kldstat(fileid, &stat) < 0)
61 warn("can't stat file id %d", fileid);
62 else
63 printf("%2d %4d %p %-8jx %s\n",
64 stat.id, stat.refs, stat.address, (uintmax_t)stat.size,
65 stat.name);
66
67 if (verbose) {
68 printf("\tContains modules:\n");
69 printf("\t\tId Name\n");
70 for (modid = kldfirstmod(fileid); modid > 0;
71 modid = modfnext(modid))
72 printmod(modid);
73 }
74}
75
76static void
77usage(void)
78{
79 fprintf(stderr, "usage: kldstat [-v] [-i id] [-n name] [-m name]\n");
80 exit(1);
81}
82
83int
84main(int argc, char** argv)
85{
86 int c;
87 int verbose = 0;
88 int fileid = 0;
89 char* filename = NULL;
90 char* modname = NULL;
91 char* p;
92
93 while ((c = getopt(argc, argv, "i:m:n:v")) != -1)
94 switch (c) {
95 case 'i':
96 fileid = (int)strtoul(optarg, &p, 10);
97 if (*p != '\0')
98 usage();
99 break;
100 case 'm':
101 modname = optarg;
102 break;
103 case 'n':
104 filename = optarg;
105 break;
106 case 'v':
107 verbose = 1;
108 break;
109 default:
110 usage();
111 }
112 argc -= optind;
113 argv += optind;
114
115 if (argc != 0)
116 usage();
117
118 if (modname != NULL) {
119 int modid;
120 struct module_stat stat;
121
122 if ((modid = modfind(modname)) < 0)
123 err(1, "can't find module %s", modname);
124
125 stat.version = sizeof(struct module_stat);
126 if (modstat(modid, &stat) < 0)
127 warn("can't stat module id %d", modid);
128 else {
129 printf("Id Refs Name\n");
130 printf("%3d %4d %s\n", stat.id, stat.refs, stat.name);
131 }
132
133 return 0;
134 }
135
136 if (filename != NULL) {
137 if ((fileid = kldfind(filename)) < 0)
138 err(1, "can't find file %s", filename);
139 }
140
141 printf("Id Refs Address%*c Size Name\n", POINTER_WIDTH - 7, ' ');
142 if (fileid != 0)
143 printfile(fileid, verbose);
144 else
145 for (fileid = kldnext(0); fileid > 0; fileid = kldnext(fileid))
146 printfile(fileid, verbose);
147
148 return 0;
149}