diff options
Diffstat (limited to 'include/asm-i386/frame.i')
| -rw-r--r-- | include/asm-i386/frame.i | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/asm-i386/frame.i b/include/asm-i386/frame.i new file mode 100644 index 000000000000..4d68ddce18b6 --- /dev/null +++ b/include/asm-i386/frame.i | |||
| @@ -0,0 +1,24 @@ | |||
| 1 | #include <linux/config.h> | ||
| 2 | #include <asm/dwarf2.h> | ||
| 3 | |||
| 4 | /* The annotation hides the frame from the unwinder and makes it look | ||
| 5 | like a ordinary ebp save/restore. This avoids some special cases for | ||
| 6 | frame pointer later */ | ||
| 7 | #ifdef CONFIG_FRAME_POINTER | ||
| 8 | .macro FRAME | ||
| 9 | pushl %ebp | ||
| 10 | CFI_ADJUST_CFA_OFFSET 4 | ||
| 11 | CFI_REL_OFFSET ebp,0 | ||
| 12 | movl %esp,%ebp | ||
| 13 | .endm | ||
| 14 | .macro ENDFRAME | ||
| 15 | popl %ebp | ||
| 16 | CFI_ADJUST_CFA_OFFSET -4 | ||
| 17 | CFI_RESTORE ebp | ||
| 18 | .endm | ||
| 19 | #else | ||
| 20 | .macro FRAME | ||
| 21 | .endm | ||
| 22 | .macro ENDFRAME | ||
| 23 | .endm | ||
| 24 | #endif | ||
