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Diffstat (limited to 'arch/x86/include/asm/bug.h')
-rw-r--r--arch/x86/include/asm/bug.h39
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 @@
+#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 */