ObjFW  Diff

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 */

#include "config.h"

.globl _OFForward
.globl _OFForward_stret

.intel_syntax noprefix

/* Work around assembler bugs. */
.macro call
	.att_syntax
	/* Use uppercase instruction to avoid recursion. */
	CALL	$0
	.intel_syntax noprefix
.endmacro
.macro jmp
	.att_syntax
	/* Use uppercase instruction to avoid recursion. */
	JMP	$0
	.intel_syntax noprefix
.endmacro

.section __TEXT, __objc_methname, cstring_literals
Lstr_forwardingTargetForSelector_:
	.asciz "forwardingTargetForSelector:"

.section __DATA, __objc_selrefs, literal_pointers, no_dead_strip
Lsel_forwardingTargetForSelector_:
	.quad Lstr_forwardingTargetForSelector_

.section __DATA, __objc_imageinfo, regular, no_dead_strip
	.long 0, 0

.section __TEXT, __text, regular, pure_instructions
_OFForward:
	push	rbp
	mov	rbp, rsp

	/* Save all arguments */
	sub	rsp, 0xC0	/* 16-byte alignment */
	mov	[rbp - 0x08], rax
	mov	[rbp - 0x10], rdi
	mov	[rbp - 0x18], rsi
	mov	[rbp - 0x20], rdx
	mov	[rbp - 0x28], rcx
	mov	[rbp - 0x30], r8
	mov	[rbp - 0x38], r9
	movaps	[rbp - 0x50], xmm0
	movaps	[rbp - 0x60], xmm1
	movaps	[rbp - 0x70], xmm2
	movaps	[rbp - 0x80], xmm3
	movaps	[rbp - 0x90], xmm4
	movaps	[rbp - 0xA0], xmm5
	movaps	[rbp - 0xB0], xmm6
	movaps	[rbp - 0xC0], xmm7

	call	_object_getClass

	mov	rdi, rax
	mov	rsi, [rip + Lsel_forwardingTargetForSelector_]
	call	_class_respondsToSelector

	test	rax, rax
	jz	0f

	mov	rdi, [rbp - 0x10]
	mov	rsi, [rip + Lsel_forwardingTargetForSelector_]
	mov	rdx, [rbp - 0x18]
	call	_objc_msgSend

	test	rax, rax
	jz	0f
	cmp	rax, [rbp - 0x10]
	je	0f

	mov	rdi, rax

	/* Restore all arguments, except %rdi */
	movaps	xmm7, [rbp - 0xC0]
	movaps	xmm6, [rbp - 0xB0]
	movaps	xmm5, [rbp - 0xA0]
	movaps	xmm4, [rbp - 0x90]
	movaps	xmm3, [rbp - 0x80]
	movaps	xmm2, [rbp - 0x70]
	movaps	xmm1, [rbp - 0x60]
	movaps	xmm0, [rbp - 0x50]
	mov	r9, [rbp - 0x38]
	mov	r8, [rbp - 0x30]
	mov	rcx, [rbp - 0x28]
	mov	rdx, [rbp - 0x20]
	mov	rsi, [rbp - 0x18]
	mov	rax, [rbp - 0x08]

	mov	rsp, rbp
	pop	rbp

	jmp	_objc_msgSend

0:
	mov	rdi, [rbp - 0x10]
	mov	rsi, [rbp - 0x18]

	mov	rsp, rbp
	pop	rbp

	jmp	_OFMethodNotFound

_OFForward_stret:
	push	rbp
	mov	rbp, rsp

	/* Save all arguments */
	sub	rsp, 0xC0	/* 16-byte alignment */
	mov	[rbp - 0x08], rax
	mov	[rbp - 0x10], rdi
	mov	[rbp - 0x18], rsi
	mov	[rbp - 0x20], rdx
	mov	[rbp - 0x28], rcx
	mov	[rbp - 0x30], r8
	mov	[rbp - 0x38], r9
	movaps	[rbp - 0x50], xmm0
	movaps	[rbp - 0x60], xmm1
	movaps	[rbp - 0x70], xmm2
	movaps	[rbp - 0x80], xmm3
	movaps	[rbp - 0x90], xmm4
	movaps	[rbp - 0xA0], xmm5
	movaps	[rbp - 0xB0], xmm6
	movaps	[rbp - 0xC0], xmm7

	mov	rdi, rsi
	call	_object_getClass

	mov	rdi, rax
	mov	rsi, [rip + Lsel_forwardingTargetForSelector_]
	call	_class_respondsToSelector
	test	rax, rax
	jz	0f

	mov	rdi, [rbp - 0x18]
	mov	rsi, [rip + Lsel_forwardingTargetForSelector_]
	mov	rdx, [rbp - 0x20]
	call	_objc_msgSend

	test	rax, rax
	jz	0f
	cmp	rax, [rbp - 0x18]
	je	0f

	mov	rsi, rax

	/* Restore all arguments, except %rsi */
	movaps	xmm7, [rbp - 0xC0]
	movaps	xmm6, [rbp - 0xB0]
	movaps	xmm5, [rbp - 0xA0]
	movaps	xmm4, [rbp - 0x90]
	movaps	xmm3, [rbp - 0x80]
	movaps	xmm2, [rbp - 0x70]
	movaps	xmm1, [rbp - 0x60]
	movaps	xmm0, [rbp - 0x50]
	mov	r9, [rbp - 0x38]
	mov	r8, [rbp - 0x30]
	mov	rcx, [rbp - 0x28]
	mov	rdx, [rbp - 0x20]
	mov	rdi, [rbp - 0x10]
	mov	rax, [rbp - 0x08]

	mov	rsp, rbp
	pop	rbp

	jmp	_objc_msgSend_stret

0:
	mov	rdi, [rbp - 0x10]
	mov	rsi, [rbp - 0x18]
	mov	rdx, [rbp - 0x20]

	mov	rsp, rbp
	pop	rbp

	jmp	_OFMethodNotFound_stret








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 */

#include "config.h"

.globl _OFForward
.globl _OFForward_stret

















.section __TEXT, __objc_methname, cstring_literals
Lstr_forwardingTargetForSelector_:
	.asciz "forwardingTargetForSelector:"

.section __DATA, __objc_selrefs, literal_pointers, no_dead_strip
Lsel_forwardingTargetForSelector_:
	.quad Lstr_forwardingTargetForSelector_

.section __DATA, __objc_imageinfo, regular, no_dead_strip
	.long 0, 0

.section __TEXT, __text, regular, pure_instructions
_OFForward:
	pushq	%rbp
	movq	%rsp, %rbp

	/* Save all arguments */
	subq	$0xC0, %rsp	/* 16-byte alignment */
	movq	%rax, -0x8(%rbp)
	movq	%rdi, -0x10(%rbp)
	movq	%rsi, -0x18(%rbp)
	movq	%rdx, -0x20(%rbp)
	movq	%rcx, -0x28(%rbp)
	movq	%r8, -0x30(%rbp)
	movq	%r9, -0x38(%rbp)
	movaps	%xmm0, -0x50(%rbp)
	movaps	%xmm1, -0x60(%rbp)
	movaps	%xmm2, -0x70(%rbp)
	movaps	%xmm3, -0x80(%rbp)
	movaps	%xmm4, -0x90(%rbp)
	movaps	%xmm5, -0xA0(%rbp)
	movaps	%xmm6, -0xB0(%rbp)
	movaps	%xmm7, -0xC0(%rbp)

	call	_object_getClass

	movq	%rax, %rdi
	movq	Lsel_forwardingTargetForSelector_(%rip), %rsi
	call	_class_respondsToSelector

	testq	%rax, %rax
	jz	0f

	movq	-0x10(%rbp), %rdi
	movq	Lsel_forwardingTargetForSelector_(%rip), %rsi
	movq	-0x18(%rbp), %rdx
	call	_objc_msgSend

	testq	%rax, %rax
	jz	0f
	cmpq	-0x10(%rbp), %rax
	je	0f

	movq	%rax, %rdi

	/* Restore all arguments, except %rdi */
	movaps	-0xC0(%rbp), %xmm7
	movaps	-0xB0(%rbp), %xmm6
	movaps	-0xA0(%rbp), %xmm5
	movaps	-0x90(%rbp), %xmm4
	movaps	-0x80(%rbp), %xmm3
	movaps	-0x70(%rbp), %xmm2
	movaps	-0x60(%rbp), %xmm1
	movaps	-0x50(%rbp), %xmm0
	movq	-0x38(%rbp), %r9
	movq	-0x30(%rbp), %r8
	movq	-0x28(%rbp), %rcx
	movq	-0x20(%rbp), %rdx
	movq	-0x18(%rbp), %rsi
	movq	-0x8(%rbp), %rax

	movq	%rbp, %rsp
	popq	%rbp

	jmp	_objc_msgSend

0:
	movq	-0x10(%rbp), %rdi
	movq	-0x18(%rbp), %rsi

	movq	%rbp, %rsp
	popq	%rbp

	jmp	_OFMethodNotFound

_OFForward_stret:
	pushq	%rbp
	movq	%rsp, %rbp

	/* Save all arguments */
	subq	$0xC0, %rsp	/* 16-byte alignment */
	movq	%rax, -0x8(%rbp)
	movq	%rdi, -0x10(%rbp)
	movq	%rsi, -0x18(%rbp)
	movq	%rdx, -0x20(%rbp)
	movq	%rcx, -0x28(%rbp)
	movq	%r8, -0x30(%rbp)
	movq	%r9, -0x38(%rbp)
	movaps	%xmm0, -0x50(%rbp)
	movaps	%xmm1, -0x60(%rbp)
	movaps	%xmm2, -0x70(%rbp)
	movaps	%xmm3, -0x80(%rbp)
	movaps	%xmm4, -0x90(%rbp)
	movaps	%xmm5, -0xA0(%rbp)
	movaps	%xmm6, -0xB0(%rbp)
	movaps	%xmm7, -0xC0(%rbp)

	movq	%rsi, %rdi
	call	_object_getClass

	movq	%rax, %rdi
	movq	Lsel_forwardingTargetForSelector_(%rip), %rsi
	call	_class_respondsToSelector
	testq	%rax, %rax
	jz	0f

	movq	-0x18(%rbp), %rdi
	movq	Lsel_forwardingTargetForSelector_(%rip), %rsi
	movq	-0x20(%rbp), %rdx
	call	_objc_msgSend

	testq	%rax, %rax
	jz	0f
	cmpq	-0x18(%rbp), %rax
	je	0f

	movq	%rax, %rsi

	/* Restore all arguments, except %rsi */
	movaps	-0xC0(%rbp), %xmm7
	movaps	-0xB0(%rbp), %xmm6
	movaps	-0xA0(%rbp), %xmm5
	movaps	-0x90(%rbp), %xmm4
	movaps	-0x80(%rbp), %xmm3
	movaps	-0x70(%rbp), %xmm2
	movaps	-0x60(%rbp), %xmm1
	movaps	-0x50(%rbp), %xmm0
	movq	-0x38(%rbp), %r9
	movq	-0x30(%rbp), %r8
	movq	-0x28(%rbp), %rcx
	movq	-0x20(%rbp), %rdx
	movq	-0x10(%rbp), %rdi
	movq	-0x8(%rbp), %rax

	movq	%rbp, %rsp
	popq	%rbp

	jmp	_objc_msgSend_stret

0:
	movq	-0x10(%rbp), %rdi
	movq	-0x18(%rbp), %rsi
	movq	-0x20(%rbp), %rdx

	movq	%rbp, %rsp
	popq	%rbp

	jmp	_OFMethodNotFound_stret