Adrian Bunk | 7e02cb9 | 2007-10-17 18:04:38 +0200 | [diff] [blame] | 1 | #ifdef __ASSEMBLY__ |
| 2 | |
Jan Beulich | 4625cd6 | 2011-07-19 12:59:51 +0100 | [diff] [blame] | 3 | #include <asm/asm.h> |
Andi Kleen | ecaf45e | 2006-09-26 10:52:29 +0200 | [diff] [blame] | 4 | #include <asm/dwarf2.h> |
| 5 | |
| 6 | /* The annotation hides the frame from the unwinder and makes it look |
| 7 | like a ordinary ebp save/restore. This avoids some special cases for |
| 8 | frame pointer later */ |
| 9 | #ifdef CONFIG_FRAME_POINTER |
| 10 | .macro FRAME |
Jan Beulich | 4625cd6 | 2011-07-19 12:59:51 +0100 | [diff] [blame] | 11 | __ASM_SIZE(push,_cfi) %__ASM_REG(bp) |
| 12 | CFI_REL_OFFSET __ASM_REG(bp), 0 |
| 13 | __ASM_SIZE(mov) %__ASM_REG(sp), %__ASM_REG(bp) |
Andi Kleen | ecaf45e | 2006-09-26 10:52:29 +0200 | [diff] [blame] | 14 | .endm |
| 15 | .macro ENDFRAME |
Jan Beulich | 4625cd6 | 2011-07-19 12:59:51 +0100 | [diff] [blame] | 16 | __ASM_SIZE(pop,_cfi) %__ASM_REG(bp) |
| 17 | CFI_RESTORE __ASM_REG(bp) |
Andi Kleen | ecaf45e | 2006-09-26 10:52:29 +0200 | [diff] [blame] | 18 | .endm |
| 19 | #else |
| 20 | .macro FRAME |
| 21 | .endm |
| 22 | .macro ENDFRAME |
| 23 | .endm |
| 24 | #endif |
Adrian Bunk | 7e02cb9 | 2007-10-17 18:04:38 +0200 | [diff] [blame] | 25 | |
| 26 | #endif /* __ASSEMBLY__ */ |