ObjFW  Check-in [aa9a770184]

Overview
Comment:Convert apple-forwarding-i386.S to Intel syntax

Unfortunately, we need to fall back to AT&T syntax for one part, as
macOS's assembler has a bug that does not allow writing it in Intel
syntax.

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Files: files | file ages | folders
SHA3-256: aa9a7701843bae8a51643798d72cf0fba7593461606c99f9fbf8cf7b58879b35
User & Date: js on 2020-07-01 19:57:12
Other Links: manifest | tags
Context
2021-01-30
20:21
Revert apple-forwarding-*.S back to AT&T syntax check-in: a6eb951b8c user: js tags: trunk
2020-07-01
20:03
.travis.yml: devkitPro keeps changing the URL... check-in: 0362242302 user: js tags: trunk
19:57
Convert apple-forwarding-i386.S to Intel syntax check-in: aa9a770184 user: js tags: trunk
19:01
.travis.yml: Fix .deb name for devkitPro check-in: 44c03cae44 user: js tags: trunk
Changes

Modified src/forwarding/apple-forwarding-i386.S from [b4b70f083a] to [288bef5c12].

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 * 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"



.globl _of_forward
.globl _of_forward_stret

.section __TEXT, __cstring, cstring_literals
str_forwardingTargetForSelector_:
	.asciz "forwardingTargetForSelector:"

.section __OBJC, __message_refs, literal_pointers, no_dead_strip
sel_forwardingTargetForSelector_:
	.long str_forwardingTargetForSelector_

.section __OBJC, __image_info
	.long 0, 0

.section __TEXT, __text, regular, pure_instructions
_of_forward:
	pushl	%ebp
	movl	%esp, %ebp

	pushl	%ebx
	subl	$20, %esp

	call	get_eip
0:

	movl	8(%ebp), %eax
	movl	%eax, (%esp)
	call	_object_getClass

	movl	%eax, (%esp)

	movl	sel_forwardingTargetForSelector_-0b(%ebx), %eax

	movl	%eax, 4(%esp)
	call	_class_respondsToSelector

	testl	%eax, %eax
	jz	0f

	movl	8(%ebp), %eax
	movl	%eax, (%esp)

	movl	sel_forwardingTargetForSelector_-0b(%ebx), %eax
	movl	%eax, 4(%esp)
	movl	12(%ebp), %eax
	movl	%eax, 8(%esp)

	call	_objc_msgSend

	testl	%eax, %eax
	jz	0f
	cmpl	8(%ebp), %eax
	je	0f

	movl	%eax, 8(%ebp)

	addl	$20, %esp
	popl	%ebx
	popl	%ebp

	jmp	_objc_msgSend

0:
	addl	$20, %esp
	popl	%ebx
	popl	%ebp

	jmp	_of_method_not_found

_of_forward_stret:
	pushl	%ebp
	movl	%esp, %ebp

	pushl	%ebx
	subl	$20, %esp

	call	get_eip
0:

	movl	12(%ebp), %eax
	movl	%eax, (%esp)
	call	_object_getClass

	movl	%eax, (%esp)

	movl	sel_forwardingTargetForSelector_-0b(%ebx), %eax

	movl	%eax, 4(%esp)
	call	_class_respondsToSelector

	testl	%eax, %eax
	jz	0f

	movl	12(%ebp), %eax
	movl	%eax, (%esp)

	movl	sel_forwardingTargetForSelector_-0b(%ebx), %eax
	movl	%eax, 4(%esp)
	movl	16(%ebp), %eax
	movl	%eax, 8(%esp)

	call	_objc_msgSend

	testl	%eax, %eax
	jz	0f
	cmpl	12(%ebp), %eax
	je	0f

	movl	%eax, 12(%ebp)

	addl	$20, %esp
	popl	%ebx
	popl	%ebp

	jmp	_objc_msgSend_stret

0:
	addl	$20, %esp
	popl	%ebx
	popl	%ebp

	jmp	_of_method_not_found_stret

get_eip:
	movl	(%esp), %ebx
	ret







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 * 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