aboutsummaryrefslogtreecommitdiff
path: root/include/asm-x86_64/bug.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-x86_64/bug.h')
-rw-r--r--include/asm-x86_64/bug.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/include/asm-x86_64/bug.h b/include/asm-x86_64/bug.h
new file mode 100644
index 00000000000..d2032f56e87
--- /dev/null
+++ b/include/asm-x86_64/bug.h
@@ -0,0 +1,25 @@
+#ifndef __ASM_X8664_BUG_H
+#define __ASM_X8664_BUG_H 1
+
+#include <linux/stringify.h>
+
+/*
+ * Tell the user there is some problem. The exception handler decodes
+ * this frame.
+ */
+struct bug_frame {
+ unsigned char ud2[2];
+ /* should use 32bit offset instead, but the assembler doesn't
+ like it */
+ char *filename;
+ unsigned short line;
+} __attribute__((packed));
+
+#define HAVE_ARCH_BUG
+#define BUG() \
+ asm volatile("ud2 ; .quad %c1 ; .short %c0" :: \
+ "i"(__LINE__), "i" (__stringify(KBUILD_BASENAME)))
+void out_of_line_bug(void);
+#include <asm-generic/bug.h>
+
+#endif