kernel_optimize_test/arch/x86/include/asm/frame.h
Al Viro bb8985586b x86, um: ... and asm-x86 move
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2008-10-22 22:55:20 -07:00

28 lines
504 B
C

#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__ */