1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 1997 Doug Rabson
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 #include <sys/types.h>
31 #include <sys/param.h>
32 #include <sys/module.h>
33 #include <sys/linker.h>
34
35 #include <err.h>
36 #include <libutil.h>
37 #include <stdio.h>
38 #include <stdlib.h>
39 #include <strings.h>
40 #include <unistd.h>
41
42 #define PTR_WIDTH ((int)(sizeof(void *) * 2 + 2))
43
44 static void printmod(int);
45 static void printfile(int, int, int);
46 static void usage(void) __dead2;
47
48 static int showdata = 0;
49
50 static void
printmod(int modid)51 printmod(int modid)
52 {
53 struct module_stat stat;
54
55 bzero(&stat, sizeof(stat));
56 stat.version = sizeof(struct module_stat);
57 if (modstat(modid, &stat) < 0) {
58 warn("can't stat module id %d", modid);
59 return;
60 }
61 if (showdata) {
62 printf("\t\t%3d %s (%d, %u, 0x%lx)\n", stat.id,
63 stat.name, stat.data.intval, stat.data.uintval,
64 stat.data.ulongval);
65 } else
66 printf("\t\t%3d %s\n", stat.id, stat.name);
67 }
68
69 static void
printfile(int fileid,int verbose,int humanized)70 printfile(int fileid, int verbose, int humanized)
71 {
72 struct kld_file_stat stat;
73 int modid;
74 char buf[5];
75
76 stat.version = sizeof(struct kld_file_stat);
77 if (kldstat(fileid, &stat) < 0)
78 err(1, "can't stat file id %d", fileid);
79 if (humanized) {
80 humanize_number(buf, sizeof(buf), stat.size,
81 "", HN_AUTOSCALE, HN_DECIMAL | HN_NOSPACE);
82
83 printf("%2d %4d %*p %5s %s",
84 stat.id, stat.refs, PTR_WIDTH, stat.address,
85 buf, stat.name);
86 } else {
87 printf("%2d %4d %*p %8zx %s",
88 stat.id, stat.refs, PTR_WIDTH, stat.address,
89 stat.size, stat.name);
90 }
91
92 if (verbose) {
93 printf(" (%s)\n", stat.pathname);
94 printf("\tContains modules:\n");
95 printf("\t\t Id Name\n");
96 for (modid = kldfirstmod(fileid); modid > 0; modid = modfnext(modid))
97 printmod(modid);
98 } else
99 printf("\n");
100 }
101
102 static void __dead2
usage(void)103 usage(void)
104 {
105 fprintf(stderr, "usage: %1$s [-dhqv] [-i id] [-n filename]\n"
106 " %1$s [-dq] [-m modname]\n", getprogname());
107 exit(1);
108 }
109
110 int
main(int argc,char * argv[])111 main(int argc, char *argv[])
112 {
113 struct module_stat stat;
114 int humanized = 0;
115 int verbose = 0;
116 int fileid = 0;
117 int quiet = 0;
118 int c, modid;
119 char *filename = NULL;
120 char *modname = NULL;
121 char *p;
122
123 while ((c = getopt(argc, argv, "dhi:m:n:qv")) != -1) {
124 switch (c) {
125 case 'd':
126 showdata = 1;
127 break;
128 case 'h':
129 humanized = 1;
130 break;
131 case 'i':
132 fileid = (int)strtoul(optarg, &p, 10);
133 if (*p != '\0')
134 usage();
135 break;
136 case 'm':
137 modname = optarg;
138 break;
139 case 'n':
140 filename = optarg;
141 break;
142 case 'q':
143 quiet = 1;
144 break;
145 case 'v':
146 verbose = 1;
147 break;
148 default:
149 usage();
150 }
151 }
152 argc -= optind;
153 argv += optind;
154
155 if (argc != 0)
156 usage();
157
158 if (modname != NULL) {
159 if ((modid = modfind(modname)) < 0) {
160 if (!quiet)
161 warn("can't find module %s", modname);
162 return (1);
163 } else if (quiet)
164 return (0);
165
166 stat.version = sizeof(struct module_stat);
167 if (modstat(modid, &stat) < 0)
168 warn("can't stat module id %d", modid);
169 else {
170 if (showdata) {
171 printf("Id Refs Name data..(int, uint, ulong)\n");
172 printf("%3d %4d %s (%d, %u, 0x%lx)\n",
173 stat.id, stat.refs, stat.name,
174 stat.data.intval, stat.data.uintval,
175 stat.data.ulongval);
176 } else {
177 printf("Id Refs Name\n");
178 printf("%3d %4d %s\n", stat.id, stat.refs,
179 stat.name);
180 }
181 }
182
183 return (0);
184 }
185
186 if (filename != NULL) {
187 if ((fileid = kldfind(filename)) < 0) {
188 if (!quiet)
189 warn("can't find file %s", filename);
190 return (1);
191 } else if (quiet)
192 return (0);
193 }
194
195 if (humanized) {
196 printf("Id Refs Address%*c %5s Name\n", PTR_WIDTH - 7,
197 ' ', "Size");
198 } else {
199 printf("Id Refs Address%*c %8s Name\n", PTR_WIDTH - 7,
200 ' ', "Size");
201 }
202 if (fileid != 0)
203 printfile(fileid, verbose, humanized);
204 else
205 for (fileid = kldnext(0); fileid > 0; fileid = kldnext(fileid))
206 printfile(fileid, verbose, humanized);
207
208 return (0);
209 }
210