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bug.h
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1 /* bug.h: FRV bug trapping
2  *
3  * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
4  * Written by David Howells ([email protected])
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  */
20 extern asmlinkage void __debug_bug_trap(int signr);
21 
22 #ifdef CONFIG_NO_KERNEL_MSG
23 #define _debug_bug_printk()
24 #else
25 extern 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) \
30 do { \
31  __debug_bug_trap(signr); \
32  asm volatile("nop"); \
33 } while(1)
34 
35 #define HAVE_ARCH_BUG
36 #define BUG() \
37 do { \
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 
54 extern void die_if_kernel(const char *, ...) __attribute__((format(printf, 1, 2)));
55 
56 #endif