Linux Kernel  3.7.1
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debug.h
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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, [email protected] or [email protected]
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 */