/*
* Copyright (C) 2005 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup genericdebug
* @{
*/
/** @file
*/
#ifndef __DEBUG_H__
#define __DEBUG_H__
#include <panic.h>
#include <arch/debug.h>
#define CALLER ((uintptr_t)__builtin_return_address(0))
#ifndef HERE
/** Current Instruction Pointer address */
# define HERE ((uintptr_t *)0)
#endif
/** Debugging ASSERT macro
*
* If CONFIG_DEBUG is set, the ASSERT() macro
* evaluates expr and if it is false raises
* kernel panic.
*
* @param expr Expression which is expected to be true.
*
*/
#ifdef CONFIG_DEBUG
# define ASSERT(expr) if (!(expr)) { panic("assertion failed (%s), caller=%.*p\n", #expr, sizeof(uintptr_t) * 2, CALLER); }
#else
# define ASSERT(expr)
#endif
#define STRING(arg) STRING_ARG(arg)
#define STRING_ARG(arg) #arg
#endif
/** @}
*/