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