Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 */ |