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H. Peter Anvin1965aae2008-10-22 22:26:29 -07001#ifndef _ASM_X86_BUG_H
2#define _ASM_X86_BUG_H
Thomas Gleixner68fdc552007-10-17 17:19:30 +02003
4#ifdef CONFIG_BUG
5#define HAVE_ARCH_BUG
6
7#ifdef CONFIG_DEBUG_BUGVERBOSE
8
Thomas Gleixner96a388d2007-10-11 11:20:03 +02009#ifdef CONFIG_X86_32
Thomas Gleixner68fdc552007-10-17 17:19:30 +020010# define __BUG_C0 "2:\t.long 1b, %c0\n"
Thomas Gleixner96a388d2007-10-11 11:20:03 +020011#else
Jan Beulichb93a5312008-12-16 11:40:27 +000012# define __BUG_C0 "2:\t.long 1b - 2b, %c0 - 2b\n"
Thomas Gleixner68fdc552007-10-17 17:19:30 +020013#endif
14
Joe Perches86d8a082008-03-23 01:01:46 -070015#define BUG() \
16do { \
17 asm volatile("1:\tud2\n" \
18 ".pushsection __bug_table,\"a\"\n" \
19 __BUG_C0 \
20 "\t.word %c1, 0\n" \
21 "\t.org 2b+%c2\n" \
22 ".popsection" \
23 : : "i" (__FILE__), "i" (__LINE__), \
24 "i" (sizeof(struct bug_entry))); \
David Daneya5fc5eb2009-12-04 17:44:51 -080025 unreachable(); \
Joe Perches86d8a082008-03-23 01:01:46 -070026} while (0)
Thomas Gleixner68fdc552007-10-17 17:19:30 +020027
28#else
Joe Perches86d8a082008-03-23 01:01:46 -070029#define BUG() \
30do { \
31 asm volatile("ud2"); \
David Daneya5fc5eb2009-12-04 17:44:51 -080032 unreachable(); \
Joe Perches86d8a082008-03-23 01:01:46 -070033} while (0)
Thomas Gleixner68fdc552007-10-17 17:19:30 +020034#endif
35
Thomas Gleixner68fdc552007-10-17 17:19:30 +020036#endif /* !CONFIG_BUG */
37
38#include <asm-generic/bug.h>
H. Peter Anvin1965aae2008-10-22 22:26:29 -070039#endif /* _ASM_X86_BUG_H */