1/* bug.h: FRV bug trapping
2 *
3 * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 */
11#ifndef _ASM_BUG_H
12#define _ASM_BUG_H
13
14#include <linux/linkage.h>
15
16#ifdef CONFIG_BUG
17/*
18 * Tell the user there is some problem.
19 */
20extern asmlinkage void __debug_bug_trap(int signr);
21
22#ifdef CONFIG_NO_KERNEL_MSG
23#define	_debug_bug_printk()
24#else
25extern void __debug_bug_printk(const char *file, unsigned line);
26#define	_debug_bug_printk() __debug_bug_printk(__FILE__, __LINE__)
27#endif
28
29#define _debug_bug_trap(signr)			\
30do {						\
31	__debug_bug_trap(signr);		\
32	asm volatile("nop");			\
33} while(1)
34
35#define HAVE_ARCH_BUG
36#define BUG()					\
37do {						\
38	_debug_bug_printk();			\
39	_debug_bug_trap(6 /*SIGABRT*/);		\
40} while (0)
41
42#ifdef CONFIG_GDBSTUB
43#define HAVE_ARCH_KGDB_RAISE
44#define kgdb_raise(signr) do { _debug_bug_trap(signr); } while(0)
45
46#define HAVE_ARCH_KGDB_BAD_PAGE
47#define kgdb_bad_page(page) do { kgdb_raise(SIGABRT); } while(0)
48#endif
49
50#endif /* CONFIG_BUG */
51
52#include <asm-generic/bug.h>
53
54extern void die_if_kernel(const char *, ...) __attribute__((format(printf, 1, 2)));
55
56#endif
57