summaryrefslogtreecommitdiffstats
path: root/sbin/kldstat/kldstat.c
blob: ee819cdc04d6b1c2025b463ff41ade3d5ba963c6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
/*-
 * Copyright (c) 1997 Doug Rabson
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");

#include <err.h>
#include <libutil.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/module.h>
#include <sys/linker.h>
#include <strings.h>

#define	POINTER_WIDTH	((int)(sizeof(void *) * 2 + 2))

static int showdata = 0;

static void
printmod(int modid)
{
    struct module_stat stat;

    bzero(&stat, sizeof(stat));
    stat.version = sizeof(struct module_stat);
    if (modstat(modid, &stat) < 0)
	warn("can't stat module id %d", modid);
    else
	if (showdata) {
	    printf("\t\t%2d %s (%d, %u, 0x%lx)\n", stat.id, stat.name, 
	        stat.data.intval, stat.data.uintval, stat.data.ulongval);
	} else {
		printf("\t\t%2d %s\n", stat.id, stat.name);
	}
}

static void
printfile(int fileid, int verbose, int humanized)
{
    struct kld_file_stat stat;
    int modid;
    char buf[5];

    stat.version = sizeof(struct kld_file_stat);
    if (kldstat(fileid, &stat) < 0) {
	err(1, "can't stat file id %d", fileid);
    } else {
	if (humanized) {
	       humanize_number(buf, sizeof(buf), stat.size,
	           "", HN_AUTOSCALE, HN_DECIMAL | HN_NOSPACE);

	       printf("%2d %4d %p %5s %s",
	           stat.id, stat.refs, stat.address, buf, stat.name);
	} else {
		printf("%2d %4d %p %-8zx %s",
		    stat.id, stat.refs, stat.address, stat.size, stat.name);
	}
    }

    if (verbose) {
	printf(" (%s)\n", stat.pathname);
	printf("\tContains modules:\n");
	printf("\t\tId Name\n");
	for (modid = kldfirstmod(fileid); modid > 0;
	     modid = modfnext(modid))
	    printmod(modid);
    } else
	printf("\n");
}

static void
usage(void)
{
    fprintf(stderr, "usage: kldstat [-d] [-h] [-q] [-v] [-i id] [-n filename]\n");
    fprintf(stderr, "       kldstat [-d] [-q] [-m modname]\n");
    exit(1);
}

int
main(int argc, char** argv)
{
    int c;
    int humanized = 0;
    int verbose = 0;
    int fileid = 0;
    int quiet = 0;
    char* filename = NULL;
    char* modname = NULL;
    char* p;

    while ((c = getopt(argc, argv, "dhi:m:n:qv")) != -1)
	switch (c) {
	case 'd':
	    showdata = 1;
	    break;
	case 'h':
	    humanized = 1;
	    break;
	case 'i':
	    fileid = (int)strtoul(optarg, &p, 10);
	    if (*p != '\0')
		usage();
	    break;
	case 'm':
	    modname = optarg;
	    break;
	case 'n':
	    filename = optarg;
	    break;
	case 'q':
	    quiet = 1;
	    break;
	case 'v':
	    verbose = 1;
	    break;
	default:
	    usage();
	}
    argc -= optind;
    argv += optind;

    if (argc != 0)
	usage();

    if (modname != NULL) {
	int modid;
	struct module_stat stat;

	if ((modid = modfind(modname)) < 0) {
	    if (!quiet)
		warn("can't find module %s", modname);
	    return 1;
	} else if (quiet) {
	    return 0;
	}

	stat.version = sizeof(struct module_stat);
	if (modstat(modid, &stat) < 0)
	    warn("can't stat module id %d", modid);
	else {
		if (showdata) {
		    printf("Id  Refs Name data..(int, uint, ulong)\n");
		    printf("%3d %4d %s (%d, %u, 0x%lx)\n", stat.id, stat.refs, stat.name, 
		        stat.data.intval, stat.data.uintval, stat.data.ulongval);
		} else {
		    printf("Id  Refs Name\n");
		    printf("%3d %4d %s\n", stat.id, stat.refs, stat.name);
		}
	}

	return 0;
    }

    if (filename != NULL) {
	if ((fileid = kldfind(filename)) < 0) {
	    if (!quiet)
		warn("can't find file %s", filename);
	    return 1;
	} else if (quiet) {
	    return 0;
	}
    }

    if (humanized)
	    printf("Id Refs Address%*c  Size Name\n", POINTER_WIDTH - 7, ' ');
    else
	    printf("Id Refs Address%*c Size     Name\n", POINTER_WIDTH - 7, ' ');
    if (fileid != 0)
	printfile(fileid, verbose, humanized);
    else
	for (fileid = kldnext(0); fileid > 0; fileid = kldnext(fileid))
	    printfile(fileid, verbose, humanized);

    return 0;
}
OpenPOWER on IntegriCloud