1 /*
2  * Debug macros for run-time debugging.  Turned on/off with
3  * 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 #include <linux/config.h>
19 
20 /*
21  * run-time macros for catching spurious errors.  Eable CONFIG_RUNTIME_DEBUG in
22  * kernel hacking config menu to use them.
23  *
24  * Use them as run-time debugging aid.  NEVER USE THEM AS ERROR HANDLING CODE!!!
25  */
26 
27 #ifdef CONFIG_RUNTIME_DEBUG
28 
29 #include <linux/kernel.h>
30 
31 #define db_assert(x)  if (!(x)) { \
32 	panic("assertion failed at %s:%d: %s\n", __FILE__, __LINE__, #x); }
33 #define db_warn(x)  if (!(x)) { \
34 	printk(KERN_WARNING "warning at %s:%d: %s\n", __FILE__, __LINE__, #x); }
35 #define db_verify(x, y) db_assert(x y)
36 #define db_verify_warn(x, y) db_warn(x y)
37 #define db_run(x)  do { x; } while (0)
38 
39 #else
40 
41 #define db_assert(x)
42 #define db_warn(x)
43 #define db_verify(x, y) x
44 #define db_verify_warn(x, y) x
45 #define db_run(x)
46 
47 #endif
48 
49 #endif /* _ASM_DEBUG_H */
50