diff options
Diffstat (limited to 'arch/x86/include/asm/frame.h')
| -rw-r--r-- | arch/x86/include/asm/frame.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/x86/include/asm/frame.h b/arch/x86/include/asm/frame.h new file mode 100644 index 000000000000..06850a7194e1 --- /dev/null +++ b/arch/x86/include/asm/frame.h @@ -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__ */ |