--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/arch/x86/include/asm/frame.h Sun Jan 11 20:20:11 2009 +0100
@@ -0,0 +1,27 @@
+#ifdef __ASSEMBLY__
+
+#include <asm/dwarf2.h>
+
+/* The annotation hides the frame from the unwinder and makes it look
+ like a ordinary ebp save/restore. This avoids some special cases for
+ frame pointer later */
+#ifdef CONFIG_FRAME_POINTER
+ .macro FRAME
+ pushl %ebp
+ CFI_ADJUST_CFA_OFFSET 4
+ CFI_REL_OFFSET ebp,0
+ movl %esp,%ebp
+ .endm
+ .macro ENDFRAME
+ popl %ebp
+ CFI_ADJUST_CFA_OFFSET -4
+ CFI_RESTORE ebp
+ .endm
+#else
+ .macro FRAME
+ .endm
+ .macro ENDFRAME
+ .endm
+#endif
+
+#endif /* __ASSEMBLY__ */