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/types.h>
30 #include <sys/param.h>
31 #include <sys/module.h>
32 #include <sys/linker.h>
33
34 #include <err.h>
35 #include <libutil.h>
36 #include <stdio.h>
37 #include <stdlib.h>
38 #include <strings.h>
39 #include <unistd.h>
40
41 #define PTR_WIDTH ((int)(sizeof(void *) * 2 + 2))
42
43 static void printmod(int);
44 static void printfile(int, int, int);
45 static void usage(void) __dead2;
46
47 static int showdata = 0;
48
49 static void
printmod(int modid)50 printmod(int modid)
51 {
52 struct module_stat stat;
53
54 bzero(&stat, sizeof(stat));
55 stat.version = sizeof(struct module_stat);
56 if (modstat(modid, &stat) < 0) {
57 warn("can't stat module id %d", modid);
58 return;
59 }
60 if (showdata) {
61 printf("\t\t%3d %s (%d, %u, 0x%lx)\n", stat.id,
62 stat.name, stat.data.intval, stat.data.uintval,
63 stat.data.ulongval);
64 } else
65 printf("\t\t%3d %s\n", stat.id, stat.name);
66 }
67
68 static void
printfile(int fileid,int verbose,int humanized)69 printfile(int fileid, int verbose, int humanized)
70 {
71 struct kld_file_stat stat;
72 int modid;
73 char buf[5];
74
75 stat.version = sizeof(struct kld_file_stat);
76 if (kldstat(fileid, &stat) < 0)
77 err(1, "can't stat file id %d", fileid);
78 if (humanized) {
79 humanize_number(buf, sizeof(buf), stat.size,
80 "", HN_AUTOSCALE, HN_DECIMAL | HN_NOSPACE);
81
82 printf("%2d %4d %*p %5s %s",
83 stat.id, stat.refs, PTR_WIDTH, stat.address,
84 buf, stat.name);
85 } else {
86 printf("%2d %4d %*p %8zx %s",
87 stat.id, stat.refs, PTR_WIDTH, stat.address,
88 stat.size, stat.name);
89 }
90
91 if (verbose) {
92 printf(" (%s)\n", stat.pathname);
93 printf("\tContains modules:\n");
94 printf("\t\t Id Name\n");
95 for (modid = kldfirstmod(fileid); modid > 0; modid = modfnext(modid))
96 printmod(modid);
97 } else
98 printf("\n");
99 }
100
101 static void __dead2
usage(void)102 usage(void)
103 {
104 fprintf(stderr, "usage: %1$s [-dhqv] [-i id] [-n filename]\n"
105 " %1$s [-dq] [-m modname]\n", getprogname());
106 exit(1);
107 }
108
109 int
main(int argc,char * argv[])110 main(int argc, char *argv[])
111 {
112 struct module_stat stat;
113 int humanized = 0;
114 int verbose = 0;
115 int fileid = 0;
116 int quiet = 0;
117 int c, modid;
118 char *filename = NULL;
119 char *modname = NULL;
120 char *p;
121
122 while ((c = getopt(argc, argv, "dhi:m:n:qv")) != -1) {
123 switch (c) {
124 case 'd':
125 showdata = 1;
126 break;
127 case 'h':
128 humanized = 1;
129 break;
130 case 'i':
131 fileid = (int)strtoul(optarg, &p, 10);
132 if (*p != '\0')
133 usage();
134 break;
135 case 'm':
136 modname = optarg;
137 break;
138 case 'n':
139 filename = optarg;
140 break;
141 case 'q':
142 quiet = 1;
143 break;
144 case 'v':
145 verbose = 1;
146 break;
147 default:
148 usage();
149 }
150 }
151 argc -= optind;
152 argv += optind;
153
154 if (argc != 0)
155 usage();
156
157 if (modname != NULL) {
158 if ((modid = modfind(modname)) < 0) {
159 if (!quiet)
160 warn("can't find module %s", modname);
161 return (1);
162 } else if (quiet)
163 return (0);
164
165 stat.version = sizeof(struct module_stat);
166 if (modstat(modid, &stat) < 0)
167 warn("can't stat module id %d", modid);
168 else {
169 if (showdata) {
170 printf("Id Refs Name data..(int, uint, ulong)\n");
171 printf("%3d %4d %s (%d, %u, 0x%lx)\n",
172 stat.id, stat.refs, stat.name,
173 stat.data.intval, stat.data.uintval,
174 stat.data.ulongval);
175 } else {
176 printf("Id Refs Name\n");
177 printf("%3d %4d %s\n", stat.id, stat.refs,
178 stat.name);
179 }
180 }
181
182 return (0);
183 }
184
185 if (filename != NULL) {
186 if ((fileid = kldfind(filename)) < 0) {
187 if (!quiet)
188 warn("can't find file %s", filename);
189 return (1);
190 } else if (quiet)
191 return (0);
192 }
193
194 if (humanized) {
195 printf("Id Refs Address%*c %5s Name\n", PTR_WIDTH - 7,
196 ' ', "Size");
197 } else {
198 printf("Id Refs Address%*c %8s Name\n", PTR_WIDTH - 7,
199 ' ', "Size");
200 }
201 if (fileid != 0)
202 printfile(fileid, verbose, humanized);
203 else
204 for (fileid = kldnext(0); fileid > 0; fileid = kldnext(fileid))
205 printfile(fileid, verbose, humanized);
206
207 return (0);
208 }
209