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| author | Ingo Molnar <mingo@elte.hu> | 2008-10-28 16:46:59 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-28 16:46:59 +0100 |
| commit | 2011a067281565494494aee194ca5081e52d6c3f (patch) | |
| tree | e0b21ad43e6eeb0c67945026be71d1278c93c695 /arch/x86/include/asm/bug.h | |
| parent | 63fb70859f987f2b3b8028fa467fd63336315e9c (diff) | |
| parent | 0173a3265b228da319ceb9c1ec6a5682fd1b2d92 (diff) | |
Merge commit 'v2.6.28-rc2' into x86/doc
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 00000000000..3def2065fce --- /dev/null +++ b/arch/x86/include/asm/bug.h @@ -0,0 +1,39 @@ +#ifndef _ASM_X86_BUG_H +#define _ASM_X86_BUG_H + +#ifdef CONFIG_BUG +#define HAVE_ARCH_BUG + +#ifdef CONFIG_DEBUG_BUGVERBOSE + +#ifdef CONFIG_X86_32 +# define __BUG_C0 "2:\t.long 1b, %c0\n" +#else +# define __BUG_C0 "2:\t.quad 1b, %c0\n" +#endif + +#define BUG() \ +do { \ + asm volatile("1:\tud2\n" \ + ".pushsection __bug_table,\"a\"\n" \ + __BUG_C0 \ + "\t.word %c1, 0\n" \ + "\t.org 2b+%c2\n" \ + ".popsection" \ + : : "i" (__FILE__), "i" (__LINE__), \ + "i" (sizeof(struct bug_entry))); \ + for (;;) ; \ +} while (0) + +#else +#define BUG() \ +do { \ + asm volatile("ud2"); \ + for (;;) ; \ +} while (0) +#endif + +#endif /* !CONFIG_BUG */ + +#include <asm-generic/bug.h> +#endif /* _ASM_X86_BUG_H */ |