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 */ 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