ObjFW  Diff

 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#ifdef HAVE_CET_H
# include <cet.h>
#else
# define _CET_ENDBR
#endif

.globl objc_msg_lookup
.globl objc_msg_lookup_stret
.globl objc_msg_lookup_super
.globl objc_msg_lookup_super_stret

.section .text
.macro GENERATE_LOOKUP name notFound
\name:
#ifdef HAVE_ENDBR64
	_CET_ENDBR
	endbr64
#endif

	testq	%rcx, %rcx
	jz	.LreturnNilMethod

	testb	$1, %cl
	jnz	.LtaggedPointer_\name

.scl 2
.type 32
.endef
.endm

.macro GENERATE_LOOKUP_SUPER name lookup
\name:
#ifdef HAVE_ENDBR64
	_CET_ENDBR
	endbr64
#endif

	movq	%rcx, %r8
	movq	(%rcx), %rcx
	testq	%rcx, %rcx
	jz	.LreturnNilMethod

	movq	8(%r8), %r8