On Wed 2015-06-10 07:06:09, Josh Poimboeuf wrote: > Add the FP_SAVE and FP_RESTORE asm macros, which can be used to save and > restore the frame pointer. Add a changelog, which can be used to tell what changed. > Signed-off-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx> > --- > arch/x86/include/asm/func.h | 24 ++++++++++++++++++++++++ > 1 file changed, 24 insertions(+) > create mode 100644 arch/x86/include/asm/func.h > > diff --git a/arch/x86/include/asm/func.h b/arch/x86/include/asm/func.h > new file mode 100644 > index 0000000..4d62782 > --- /dev/null > +++ b/arch/x86/include/asm/func.h > @@ -0,0 +1,24 @@ > +#ifndef _ASM_X86_FUNC_H > +#define _ASM_X86_FUNC_H > + > +#include <linux/linkage.h> > +#include <asm/asm.h> > + > +/* > + * These are frame pointer save and restore macros. They should be used by > + * every callable non-leaf asm function. > + */ > +.macro FP_SAVE name > + .if CONFIG_FRAME_POINTER > + push %_ASM_BP > + _ASM_MOV %_ASM_SP, %_ASM_BP > + .endif > +.endm Hmm. This will not compile when included into .c file. Should it have other extension than .h? (Or can the macros be done in different way? -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- 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
