| 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> |
| H. Peter Anvin | 1965aae | 2008-10-22 22:26:29 -0700 | [diff] [blame] | 39 | #endif /* _ASM_X86_BUG_H */ |