ObjFW  Check-in [3dbfc001c0]

include ../../extra.mk

STATIC_PIC_LIB_NOINST = ${RUNTIME_LIB_A}
STATIC_LIB_NOINST = ${RUNTIME_A}

SRCS = category.m		\
       class.m			\
       hashtable.m		\
       init.m			\
       lookup.m			\


       protocol.m		\
       selector.m		\
       sparsearray.m		\
       static-instances.m	\
       threading.m		\
       asm/amd64-elf/lookup.S	\
       asm/x86-elf/lookup.S
INCLUDES = runtime.h

include ../../buildsys.mk

CPPFLAGS += -I. -I.. -I../..
AS = ${OBJC}
ASFLAGS = ${CPPFLAGS}
LD = ${OBJC}

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * 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.
 */

#if defined(__x86_64__) && defined(__ELF__)

.intel_syntax noprefix
.globl objc_msg_lookup
.globl objc_msg_lookup_super

.section .text
objc_msg_lookup:
	test	rdi, rdi
	jz	ret_nil

	mov	r8, [rdi]
	mov	r8, [r8+64]

lookup:
	mov	rax, [rsi]
	movzx	ecx, ah
	movzx	edx, al
	shr	eax, 16

	mov	r8, [r8+rax*8]
	mov	r8, [r8+rcx*8]
	mov	rax, [r8+rdx*8]

	test	rax, rax
	jz	forward

	ret

forward:
	mov	rax, qword ptr objc_forward_handler@GOTPCREL[rip]
	jmp	[rax]

objc_msg_lookup_super:
	mov	rax, [rdi]
	test	rax, rax
	jz	ret_nil

	mov	r8, [rdi+8]
	mov	r8, [r8+64]
	mov	rdi, rax
	jmp	lookup

ret_nil:
	lea	rax, nil_method[rip]
	ret

nil_method:
	mov	rax, rdi
	ret

.type objc_msg_lookup, @function
.type objc_msg_lookup_super, @function
.size objc_msg_lookup, forward-objc_msg_lookup
.size objc_msg_lookup_super, ret_nil-objc_msg_lookup_super

#endif

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * 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.
 */

#if defined(__i386__) && defined(__ELF__)

.intel_syntax noprefix
.globl objc_msg_lookup
.globl objc_msg_lookup_super

.section .text
objc_msg_lookup:
	mov	edx, [esp+4]
	test	edx, edx
	jz	ret_nil

	mov	edx, [edx]
	mov	edx, [edx+32]

lookup:
	mov	eax, [esp+8]

	movzx	ecx, byte ptr [eax+2]
	mov	edx, [edx+ecx*4]
	movzx	ecx, byte ptr [eax+1]
	mov	edx, [edx+ecx*4]
	movzx	ecx, byte ptr [eax]
	mov	eax, [edx+ecx*4]

	test	eax, eax
	jz	forward

	ret

forward:
	call	get_eip
.L1:
	add	eax, offset objc_forward_handler - offset .L1
	jmp	[eax]

objc_msg_lookup_super:
	mov	edx, [esp+4]
	cmp	dword ptr [edx], 0
	je	ret_nil

	mov	edx, [edx+4]
	mov	edx, [edx+32]
	jmp	lookup

ret_nil:
	call	get_eip
.L2:
	add	eax, offset nil_method - offset .L2
	ret

nil_method:
	mov	eax, [esp+4]
	ret

get_eip:
	mov	eax, dword ptr [esp]
	ret

.type objc_msg_lookup, @function
.type objc_msg_lookup_super, @function
.size objc_msg_lookup, forward-objc_msg_lookup
.size objc_msg_lookup_super, ret_nil-objc_msg_lookup_super

#endif

 */

#include "config.h"

#include <stdio.h>
#include <stdlib.h>

#import  "runtime.h"
#import "runtime-private.h"
#import "macros.h"

static IMP not_found_handler(id, SEL);
IMP (*objc_forward_handler)(id, SEL) = not_found_handler;

static IMP