diff options
Diffstat (limited to 'include/asm-i386/bug.h')
| -rw-r--r-- | include/asm-i386/bug.h | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/include/asm-i386/bug.h b/include/asm-i386/bug.h index 8062cdbf2587..b0fd78ca2619 100644 --- a/include/asm-i386/bug.h +++ b/include/asm-i386/bug.h | |||
| @@ -4,20 +4,32 @@ | |||
| 4 | 4 | ||
| 5 | /* | 5 | /* |
| 6 | * Tell the user there is some problem. | 6 | * Tell the user there is some problem. |
| 7 | * The offending file and line are encoded after the "officially | 7 | * The offending file and line are encoded encoded in the __bug_table section. |
| 8 | * undefined" opcode for parsing in the trap handler. | ||
| 9 | */ | 8 | */ |
| 10 | 9 | ||
| 11 | #ifdef CONFIG_BUG | 10 | #ifdef CONFIG_BUG |
| 12 | #define HAVE_ARCH_BUG | 11 | #define HAVE_ARCH_BUG |
| 12 | |||
| 13 | #ifdef CONFIG_DEBUG_BUGVERBOSE | 13 | #ifdef CONFIG_DEBUG_BUGVERBOSE |
| 14 | #define BUG() \ | 14 | #define BUG() \ |
| 15 | __asm__ __volatile__( "ud2\n" \ | 15 | do { \ |
| 16 | "\t.word %c0\n" \ | 16 | asm volatile("1:\tud2\n" \ |
| 17 | "\t.long %c1\n" \ | 17 | ".pushsection __bug_table,\"a\"\n" \ |
| 18 | : : "i" (__LINE__), "i" (__FILE__)) | 18 | "2:\t.long 1b, %c0\n" \ |
| 19 | "\t.word %c1, 0\n" \ | ||
| 20 | "\t.org 2b+%c2\n" \ | ||
| 21 | ".popsection" \ | ||
| 22 | : : "i" (__FILE__), "i" (__LINE__), \ | ||
| 23 | "i" (sizeof(struct bug_entry))); \ | ||
| 24 | for(;;) ; \ | ||
| 25 | } while(0) | ||
| 26 | |||
| 19 | #else | 27 | #else |
| 20 | #define BUG() __asm__ __volatile__("ud2\n") | 28 | #define BUG() \ |
| 29 | do { \ | ||
| 30 | asm volatile("ud2"); \ | ||
| 31 | for(;;) ; \ | ||
| 32 | } while(0) | ||
| 21 | #endif | 33 | #endif |
| 22 | #endif | 34 | #endif |
| 23 | 35 | ||