source: mainline/kernel/generic/include/debug.h@ f1d1f5d3

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since f1d1f5d3 was 06e1e95, checked in by Jakub Jermar <jakub@…>, 19 years ago

C99 compliant header guards (hopefully) everywhere in the kernel.
Formatting and indentation changes.
Small improvements in sparc64.

  • Property mode set to 100644
File size: 2.1 KB
Line 
1/*
2 * Copyright (C) 2005 Martin Decky
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup genericdebug
30 * @{
31 */
32/** @file
33 */
34
35#ifndef KERN_DEBUG_H_
36#define KERN_DEBUG_H_
37
38#include <panic.h>
39#include <arch/debug.h>
40
41#define CALLER ((uintptr_t)__builtin_return_address(0))
42
43#ifndef HERE
44/** Current Instruction Pointer address */
45# define HERE ((uintptr_t *)0)
46#endif
47
48/** Debugging ASSERT macro
49 *
50 * If CONFIG_DEBUG is set, the ASSERT() macro
51 * evaluates expr and if it is false raises
52 * kernel panic.
53 *
54 * @param expr Expression which is expected to be true.
55 *
56 */
57#ifdef CONFIG_DEBUG
58# define ASSERT(expr) if (!(expr)) { panic("assertion failed (%s), caller=%.*p\n", #expr, sizeof(uintptr_t) * 2, CALLER); }
59#else
60# define ASSERT(expr)
61#endif
62
63#endif
64
65/** @}
66 */
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