Add C versions of the frame pointer macros which can be used to create a stack frame in inline assembly. Signed-off-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx> --- arch/x86/include/asm/frame.h | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/arch/x86/include/asm/frame.h b/arch/x86/include/asm/frame.h index 8a6cd26..9a30ec7 100644 --- a/arch/x86/include/asm/frame.h +++ b/arch/x86/include/asm/frame.h @@ -1,10 +1,10 @@ #ifndef _ASM_X86_FRAME_H #define _ASM_X86_FRAME_H -#ifdef __ASSEMBLY__ - #include <asm/asm.h> +#ifdef __ASSEMBLY__ + /* * These are stack frame creation macros. They should be used by every * callable non-leaf asm function to make kernel stack traces more reliable. @@ -22,5 +22,21 @@ #endif .endm +#else /* !__ASSEMBLY__ */ + +#ifdef CONFIG_FRAME_POINTER + +#define FRAME_BEGIN \ + "push %" _ASM_BP "\n" \ + _ASM_MOV "%" _ASM_SP ", %" _ASM_BP "\n" + +#define FRAME_END "pop %" _ASM_BP "\n" + +#else /* !CONFIG_FRAME_POINTER */ + +#define FRAME_BEGIN "" +#define FRAME_END "" + +#endif /* CONFIG_FRAME_POINTER */ #endif /* __ASSEMBLY__ */ #endif /* _ASM_X86_FRAME_H */ -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe live-patching" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
