1 /* 2 * Debug macros for run-time debugging. 3 * Turned on/off with CONFIG_RUNTIME_DEBUG option. 4 * 5 * Copyright (C) 2001 MontaVista Software Inc. 6 * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net 7 * 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms of the GNU General Public License as published by the 10 * Free Software Foundation; either version 2 of the License, or (at your 11 * option) any later version. 12 * 13 */ 14 15 #ifndef _ASM_DEBUG_H 16 #define _ASM_DEBUG_H 17 18 19 /* 20 * run-time macros for catching spurious errors. Eable CONFIG_RUNTIME_DEBUG in 21 * kernel hacking config menu to use them. 22 * 23 * Use them as run-time debugging aid. NEVER USE THEM AS ERROR HANDLING CODE!!! 24 */ 25 26 #ifdef CONFIG_RUNTIME_DEBUG 27 28 #include <linux/kernel.h> 29 30 #define db_assert(x) if (!(x)) { \ 31 panic("assertion failed at %s:%d: %s", __FILE__, __LINE__, #x); } 32 #define db_warn(x) if (!(x)) { \ 33 printk(KERN_WARNING "warning at %s:%d: %s", __FILE__, __LINE__, #x); } 34 #define db_verify(x, y) db_assert(x y) 35 #define db_verify_warn(x, y) db_warn(x y) 36 #define db_run(x) do { x; } while (0) 37 38 #else 39 40 #define db_assert(x) 41 #define db_warn(x) 42 #define db_verify(x, y) x 43 #define db_verify_warn(x, y) x 44 #define db_run(x) 45 46 #endif 47 48 #endif /* _ASM_DEBUG_H */ 49