1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Module kdb support
4 *
5 * Copyright (C) 2010 Jason Wessel
6 */
7
8 #include <linux/module.h>
9 #include <linux/kdb.h>
10 #include "internal.h"
11
12 /*
13 * kdb_lsmod - This function implements the 'lsmod' command. Lists
14 * currently loaded kernel modules.
15 * Mostly taken from userland lsmod.
16 */
kdb_lsmod(int argc,const char ** argv)17 int kdb_lsmod(int argc, const char **argv)
18 {
19 struct module *mod;
20
21 if (argc != 0)
22 return KDB_ARGCOUNT;
23
24 kdb_printf("Module Size modstruct Used by\n");
25 list_for_each_entry(mod, &modules, list) {
26 if (mod->state == MODULE_STATE_UNFORMED)
27 continue;
28
29 kdb_printf("%-20s%8u", mod->name, mod->core_layout.size);
30 #ifdef CONFIG_ARCH_WANTS_MODULES_DATA_IN_VMALLOC
31 kdb_printf("/%8u", mod->data_layout.size);
32 #endif
33 kdb_printf(" 0x%px ", (void *)mod);
34 #ifdef CONFIG_MODULE_UNLOAD
35 kdb_printf("%4d ", module_refcount(mod));
36 #endif
37 if (mod->state == MODULE_STATE_GOING)
38 kdb_printf(" (Unloading)");
39 else if (mod->state == MODULE_STATE_COMING)
40 kdb_printf(" (Loading)");
41 else
42 kdb_printf(" (Live)");
43 kdb_printf(" 0x%px", mod->core_layout.base);
44 #ifdef CONFIG_ARCH_WANTS_MODULES_DATA_IN_VMALLOC
45 kdb_printf("/0x%px", mod->data_layout.base);
46 #endif
47
48 #ifdef CONFIG_MODULE_UNLOAD
49 {
50 struct module_use *use;
51
52 kdb_printf(" [ ");
53 list_for_each_entry(use, &mod->source_list,
54 source_list)
55 kdb_printf("%s ", use->target->name);
56 kdb_printf("]\n");
57 }
58 #endif
59 }
60
61 return 0;
62 }
63