On Wed, Jun 10, 2015 at 08:17:32PM +0200, Pavel Machek wrote: > 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. Fair enough :-) > > 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? These are gnu assembler macros. This file is only included by .S files. -- Josh -- 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
