diff options
Diffstat (limited to 'include/asm-x86/frame.i')
| -rw-r--r-- | include/asm-x86/frame.i | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/asm-x86/frame.i b/include/asm-x86/frame.i new file mode 100644 index 0000000..0362025 --- /dev/null +++ b/include/asm-x86/frame.i @@ -0,0 +1,23 @@ +#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 |
