1 /* vi: set sw=4 ts=4: */
3 * Mini lsmod implementation for busybox
5 * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
7 * Modified by Alcove, Julien Gaulmin <julien.gaulmin@alcove.fr> and
8 * Nicolas Ferre <nicolas.ferre@alcove.fr> to support pre 2.1 kernels
9 * (which lack the query_module() interface).
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
37 #include <sys/utsname.h>
42 #ifndef CONFIG_FEATURE_CHECK_TAINTED_MODULE
43 static inline void check_tainted(void) { printf("\n"); }
45 #define TAINT_FILENAME "/proc/sys/kernel/tainted"
46 #define TAINT_PROPRIETORY_MODULE (1<<0)
47 #define TAINT_FORCED_MODULE (1<<1)
48 #define TAINT_UNSAFE_SMP (1<<2)
50 static void check_tainted(void)
56 if ((f = fopen(TAINT_FILENAME, "r"))) {
57 fscanf(f, "%d", &tainted);
61 printf(" Tainted: %c%c%c\n",
62 tainted & TAINT_PROPRIETORY_MODULE ? 'P' : 'G',
63 tainted & TAINT_FORCED_MODULE ? 'F' : ' ',
64 tainted & TAINT_UNSAFE_SMP ? 'S' : ' ');
67 printf(" Not tainted\n");
72 #ifdef CONFIG_FEATURE_QUERY_MODULE_INTERFACE
83 int query_module(const char *name, int which, void *buf, size_t bufsize, size_t *ret);
85 /* Values for query_module's which. */
86 static const int QM_MODULES = 1;
87 static const int QM_DEPS = 2;
88 static const int QM_REFS = 3;
89 static const int QM_SYMBOLS = 4;
90 static const int QM_INFO = 5;
92 /* Bits of module.flags. */
93 static const int NEW_MOD_RUNNING = 1;
94 static const int NEW_MOD_DELETED = 2;
95 static const int NEW_MOD_AUTOCLEAN = 4;
96 static const int NEW_MOD_VISITED = 8;
97 static const int NEW_MOD_USED_ONCE = 16;
98 static const int NEW_MOD_INITIALIZING = 64;
100 extern int lsmod_main(int argc, char **argv)
102 struct module_info info;
103 char *module_names, *mn, *deps, *dn;
104 size_t bufsize, depsize, nmod, count, i, j;
106 module_names = xmalloc(bufsize = 256);
107 if (my_query_module(NULL, QM_MODULES, (void **)&module_names, &bufsize,
109 bb_perror_msg_and_die("QM_MODULES");
112 deps = xmalloc(depsize = 256);
113 printf("Module Size Used by");
116 for (i = 0, mn = module_names; i < nmod; mn += strlen(mn) + 1, i++) {
117 if (query_module(mn, QM_INFO, &info, sizeof(info), &count)) {
118 if (errno == ENOENT) {
119 /* The module was removed out from underneath us. */
123 bb_perror_msg_and_die("module %s: QM_INFO", mn);
125 if (my_query_module(mn, QM_REFS, (void **)&deps, &depsize, &count)) {
126 if (errno == ENOENT) {
127 /* The module was removed out from underneath us. */
130 bb_perror_msg_and_die("module %s: QM_REFS", mn);
132 printf("%-20s%8lu%4ld", mn, info.size, info.usecount);
133 if (info.flags & NEW_MOD_DELETED)
134 printf(" (deleted)");
135 else if (info.flags & NEW_MOD_INITIALIZING)
136 printf(" (initializing)");
137 else if (!(info.flags & NEW_MOD_RUNNING))
138 printf(" (uninitialized)");
140 if (info.flags & NEW_MOD_AUTOCLEAN)
141 printf(" (autoclean) ");
142 if (!(info.flags & NEW_MOD_USED_ONCE))
145 if (count) printf(" [");
146 for (j = 0, dn = deps; j < count; dn += strlen(dn) + 1, j++) {
147 printf("%s%s", dn, (j==count-1)? "":" ");
149 if (count) printf("]");
154 #ifdef CONFIG_FEATURE_CLEAN_UP
161 #else /* CONFIG_FEATURE_QUERY_MODULE_INTERFACE */
163 extern int lsmod_main(int argc, char **argv)
165 printf("Module Size Used by");
168 if (bb_xprint_file_by_name("/proc/modules") < 0) {
174 #endif /* CONFIG_FEATURE_QUERY_MODULE_INTERFACE */