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| author | Ingo Molnar <mingo@elte.hu> | 2008-10-28 16:46:59 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-28 16:46:59 +0100 |
| commit | 2011a067281565494494aee194ca5081e52d6c3f (patch) | |
| tree | e0b21ad43e6eeb0c67945026be71d1278c93c695 /arch/x86/include/asm/frame.h | |
| parent | 63fb70859f987f2b3b8028fa467fd63336315e9c (diff) | |
| parent | 0173a3265b228da319ceb9c1ec6a5682fd1b2d92 (diff) | |
Merge commit 'v2.6.28-rc2' into x86/doc
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 00000000000..06850a7194e --- /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__ */ |