/* * Created by: Jason Wessel <jason.wessel@windriver.com> * * Copyright (c) 2010 Wind River Systems, Inc. All Rights Reserved. * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any * warranty of any kind, whether express or implied. */ #include <linux/module.h> #include <linux/kdb.h> /* * All kdb shell command call backs receive argc and argv, where * argv[0] is the command the end user typed */ static int kdb_hello_cmd(int argc, const char **argv) { if (argc > 1) return KDB_ARGCOUNT; if (argc) kdb_printf("Hello %s.\n", argv[1]); else kdb_printf("Hello world!\n"); return 0; } static kdbtab_t hello_cmd = { .name = "hello", .func = kdb_hello_cmd, .usage = "[string]", .help = "Say Hello World or Hello [string]", }; static int __init kdb_hello_cmd_init(void) { /* * Registration of a dynamically added kdb command is done with * kdb_register(). */ kdb_register(&hello_cmd); return 0; } static void __exit kdb_hello_cmd_exit(void) { kdb_unregister(&hello_cmd); } module_init(kdb_hello_cmd_init); module_exit(kdb_hello_cmd_exit); MODULE_AUTHOR("WindRiver"); MODULE_DESCRIPTION("KDB example to add a hello command"); MODULE_LICENSE("GPL");