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1da177e4 LT |
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 | ||
1da177e4 LT |
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 */ |