H. Peter Anvin | 1965aae | 2008-10-22 22:26:29 -0700 | [diff] [blame] | 1 | #ifndef _ASM_X86_BUG_H |
2 | #define _ASM_X86_BUG_H | ||||
Thomas Gleixner | 68fdc55 | 2007-10-17 17:19:30 +0200 | [diff] [blame] | 3 | |
4 | #ifdef CONFIG_BUG | ||||
5 | #define HAVE_ARCH_BUG | ||||
6 | |||||
7 | #ifdef CONFIG_DEBUG_BUGVERBOSE | ||||
8 | |||||
Thomas Gleixner | 96a388d | 2007-10-11 11:20:03 +0200 | [diff] [blame] | 9 | #ifdef CONFIG_X86_32 |
Thomas Gleixner | 68fdc55 | 2007-10-17 17:19:30 +0200 | [diff] [blame] | 10 | # define __BUG_C0 "2:\t.long 1b, %c0\n" |
Thomas Gleixner | 96a388d | 2007-10-11 11:20:03 +0200 | [diff] [blame] | 11 | #else |
Jan Beulich | b93a531 | 2008-12-16 11:40:27 +0000 | [diff] [blame] | 12 | # define __BUG_C0 "2:\t.long 1b - 2b, %c0 - 2b\n" |
Thomas Gleixner | 68fdc55 | 2007-10-17 17:19:30 +0200 | [diff] [blame] | 13 | #endif |
14 | |||||
Joe Perches | 86d8a08 | 2008-03-23 01:01:46 -0700 | [diff] [blame] | 15 | #define BUG() \ |
16 | do { \ | ||||
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 Daney | a5fc5eb | 2009-12-04 17:44:51 -0800 | [diff] [blame] | 25 | unreachable(); \ |
Joe Perches | 86d8a08 | 2008-03-23 01:01:46 -0700 | [diff] [blame] | 26 | } while (0) |
Thomas Gleixner | 68fdc55 | 2007-10-17 17:19:30 +0200 | [diff] [blame] | 27 | |
28 | #else | ||||
Joe Perches | 86d8a08 | 2008-03-23 01:01:46 -0700 | [diff] [blame] | 29 | #define BUG() \ |
30 | do { \ | ||||
31 | asm volatile("ud2"); \ | ||||
David Daney | a5fc5eb | 2009-12-04 17:44:51 -0800 | [diff] [blame] | 32 | unreachable(); \ |
Joe Perches | 86d8a08 | 2008-03-23 01:01:46 -0700 | [diff] [blame] | 33 | } while (0) |
Thomas Gleixner | 68fdc55 | 2007-10-17 17:19:30 +0200 | [diff] [blame] | 34 | #endif |
35 | |||||
Thomas Gleixner | 68fdc55 | 2007-10-17 17:19:30 +0200 | [diff] [blame] | 36 | #endif /* !CONFIG_BUG */ |
37 | |||||
38 | #include <asm-generic/bug.h> | ||||
David Howells | f05e798 | 2012-03-28 18:11:12 +0100 | [diff] [blame^] | 39 | |
40 | |||||
41 | extern void show_regs_common(void); | ||||
42 | |||||
H. Peter Anvin | 1965aae | 2008-10-22 22:26:29 -0700 | [diff] [blame] | 43 | #endif /* _ASM_X86_BUG_H */ |