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-rw-r--r--kernel/module/kdb.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/kernel/module/kdb.c b/kernel/module/kdb.c
new file mode 100644
index 0000000000..995c32d369
--- /dev/null
+++ b/kernel/module/kdb.c
@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Module kdb support
+ *
+ * Copyright (C) 2010 Jason Wessel
+ */
+
+#include <linux/module.h>
+#include <linux/kdb.h>
+#include "internal.h"
+
+/*
+ * kdb_lsmod - This function implements the 'lsmod' command. Lists
+ * currently loaded kernel modules.
+ * Mostly taken from userland lsmod.
+ */
+int kdb_lsmod(int argc, const char **argv)
+{
+ struct module *mod;
+
+ if (argc != 0)
+ return KDB_ARGCOUNT;
+
+ kdb_printf("Module Size modstruct Used by\n");
+ list_for_each_entry(mod, &modules, list) {
+ if (mod->state == MODULE_STATE_UNFORMED)
+ continue;
+
+ kdb_printf("%-20s%8u", mod->name, mod->mem[MOD_TEXT].size);
+ kdb_printf("/%8u", mod->mem[MOD_RODATA].size);
+ kdb_printf("/%8u", mod->mem[MOD_RO_AFTER_INIT].size);
+ kdb_printf("/%8u", mod->mem[MOD_DATA].size);
+
+ kdb_printf(" 0x%px ", (void *)mod);
+#ifdef CONFIG_MODULE_UNLOAD
+ kdb_printf("%4d ", module_refcount(mod));
+#endif
+ if (mod->state == MODULE_STATE_GOING)
+ kdb_printf(" (Unloading)");
+ else if (mod->state == MODULE_STATE_COMING)
+ kdb_printf(" (Loading)");
+ else
+ kdb_printf(" (Live)");
+ kdb_printf(" 0x%px", mod->mem[MOD_TEXT].base);
+ kdb_printf("/0x%px", mod->mem[MOD_RODATA].base);
+ kdb_printf("/0x%px", mod->mem[MOD_RO_AFTER_INIT].base);
+ kdb_printf("/0x%px", mod->mem[MOD_DATA].base);
+
+#ifdef CONFIG_MODULE_UNLOAD
+ {
+ struct module_use *use;
+
+ kdb_printf(" [ ");
+ list_for_each_entry(use, &mod->source_list,
+ source_list)
+ kdb_printf("%s ", use->target->name);
+ kdb_printf("]\n");
+ }
+#endif
+ }
+
+ return 0;
+}