aboutsummaryrefslogtreecommitdiff
path: root/arch/x86/include/asm/frame.h
blob: 3b629f47eb65b4a51f6399ad153d44f9b5c24b0d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
#ifdef __ASSEMBLY__

#include <asm/asm.h>
#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
	__ASM_SIZE(push,_cfi)	%__ASM_REG(bp)
	CFI_REL_OFFSET		__ASM_REG(bp), 0
	__ASM_SIZE(mov)		%__ASM_REG(sp), %__ASM_REG(bp)
	.endm
	.macro ENDFRAME
	__ASM_SIZE(pop,_cfi)	%__ASM_REG(bp)
	CFI_RESTORE		__ASM_REG(bp)
	.endm
#else
	.macro FRAME
	.endm
	.macro ENDFRAME
	.endm
#endif

#endif  /*  __ASSEMBLY__  */