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Merge up to 2.6.11
Merge of 2.6.x-xfs-melb:linux:21721a by kenmcd.

/*
 * Debug macros for run-time debugging.
 * Turned on/off with CONFIG_RUNTIME_DEBUG option.
 *
 * Copyright (C) 2001 MontaVista Software Inc.
 * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
 *
 * This program is free software; you can redistribute  it and/or modify it
 * under  the terms of  the GNU General  Public License as published by the
 * Free Software Foundation;  either version 2 of the  License, or (at your
 * option) any later version.
 *
 */

#ifndef _ASM_DEBUG_H
#define _ASM_DEBUG_H

#include <linux/config.h>

/*
 * run-time macros for catching spurious errors.  Eable CONFIG_RUNTIME_DEBUG in
 * kernel hacking config menu to use them.
 *
 * Use them as run-time debugging aid.  NEVER USE THEM AS ERROR HANDLING CODE!!!
 */

#ifdef CONFIG_RUNTIME_DEBUG

#include <linux/kernel.h>

#define db_assert(x)  if (!(x)) { \
	panic("assertion failed at %s:%d: %s", __FILE__, __LINE__, #x); }
#define db_warn(x)  if (!(x)) { \
	printk(KERN_WARNING "warning at %s:%d: %s", __FILE__, __LINE__, #x); }
#define db_verify(x, y) db_assert(x y)
#define db_verify_warn(x, y) db_warn(x y)
#define db_run(x)  do { x; } while (0)

#else

#define db_assert(x)
#define db_warn(x)
#define db_verify(x, y) x
#define db_verify_warn(x, y) x
#define db_run(x)

#endif

#endif /* _ASM_DEBUG_H */