/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
* 2018, 2019, 2020
* Jonathan Schleifer <js@nil.im>
*
* 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.
*/
#include "config.h"
.intel_syntax noprefix
.globl _of_forward
.globl _of_forward_stret
.section __TEXT, __cstring, cstring_literals
Lstr_forwardingTargetForSelector_:
.asciz "forwardingTargetForSelector:"
.section __OBJC, __message_refs, literal_pointers, no_dead_strip
Lsel_forwardingTargetForSelector_:
.long Lstr_forwardingTargetForSelector_
.section __OBJC, __image_info
.long 0, 0
.section __TEXT, __text, regular, pure_instructions
_of_forward:
push ebp
mov ebp, esp
push ebx
sub esp, 20
call get_eip
0:
mov eax, [ebp+8]
mov [esp], eax
call _object_getClass
mov [esp], eax
.att_syntax /* Next line is broken in Intel syntax */
movl Lsel_forwardingTargetForSelector_-0b(%ebx), %eax
.intel_syntax noprefix
mov [esp+4], eax
call _class_respondsToSelector
test eax, eax
jz 0f
mov eax, [ebp+8]
mov [esp], eax
.att_syntax /* Next line is broken in Intel syntax */
movl Lsel_forwardingTargetForSelector_-0b(%ebx), %eax
.intel_syntax noprefix
mov [esp+4], eax
mov eax, [ebp+12]
mov [esp+8], eax
call _objc_msgSend
test eax, eax
jz 0f
cmp eax, [ebp+8]
je 0f
mov [ebp+8], eax
add esp, 20
pop ebx
pop ebp
jmp _objc_msgSend
0:
add esp, 20
pop ebx
pop ebp
jmp _of_method_not_found
_of_forward_stret:
push ebp
mov ebp, esp
push ebx
sub esp, 20
call get_eip
0:
mov eax, [ebp+12]
mov [esp], eax
call _object_getClass
mov [esp], eax
.att_syntax /* Next line is broken in Intel syntax */
movl Lsel_forwardingTargetForSelector_-0b(%ebx), %eax
.intel_syntax noprefix
mov [esp+4], eax
call _class_respondsToSelector
test eax, eax
jz 0f
mov eax, [ebp+12]
mov [esp], eax
.att_syntax /* Next line is broken in Intel syntax */
movl Lsel_forwardingTargetForSelector_-0b(%ebx), %eax
.intel_syntax noprefix
mov [esp+4], eax
mov eax, [ebp+16]
mov [esp+8], eax
call _objc_msgSend
test eax, eax
jz 0f
cmp eax, [ebp+12]
je 0f
mov [ebp+12], eax
add esp, 20
pop ebx
pop ebp
jmp _objc_msgSend_stret
0:
add esp, 20
pop ebx
pop ebp
jmp _of_method_not_found_stret
get_eip:
mov ebx, [esp]
ret