diff options
Diffstat (limited to 'arch/x86/include/asm/bug.h')
-rw-r--r-- | arch/x86/include/asm/bug.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/x86/include/asm/bug.h b/arch/x86/include/asm/bug.h new file mode 100644 index 000000000000..91ad43a54c47 --- /dev/null +++ b/arch/x86/include/asm/bug.h | |||
@@ -0,0 +1,39 @@ | |||
1 | #ifndef ASM_X86__BUG_H | ||
2 | #define ASM_X86__BUG_H | ||
3 | |||
4 | #ifdef CONFIG_BUG | ||
5 | #define HAVE_ARCH_BUG | ||
6 | |||
7 | #ifdef CONFIG_DEBUG_BUGVERBOSE | ||
8 | |||
9 | #ifdef CONFIG_X86_32 | ||
10 | # define __BUG_C0 "2:\t.long 1b, %c0\n" | ||
11 | #else | ||
12 | # define __BUG_C0 "2:\t.quad 1b, %c0\n" | ||
13 | #endif | ||
14 | |||
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))); \ | ||
25 | for (;;) ; \ | ||
26 | } while (0) | ||
27 | |||
28 | #else | ||
29 | #define BUG() \ | ||
30 | do { \ | ||
31 | asm volatile("ud2"); \ | ||
32 | for (;;) ; \ | ||
33 | } while (0) | ||
34 | #endif | ||
35 | |||
36 | #endif /* !CONFIG_BUG */ | ||
37 | |||
38 | #include <asm-generic/bug.h> | ||
39 | #endif /* ASM_X86__BUG_H */ | ||