ObjFW  Check-in [9ccac85bb4]

Overview
Comment:Remove unnecessary PIC from x86/Win32 ASM
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Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA3-256: 9ccac85bb4c8c3bbf423f8a897d8e0c4ecf8f4cfcd448aa79c939ab49607b24c
User & Date: js on 2020-06-30 01:08:14
Other Links: manifest | tags
Context
2020-06-30
01:53
Convert all x86/Win32 ASM to Intel syntax check-in: 2630b77909 user: js tags: trunk
01:08
Remove unnecessary PIC from x86/Win32 ASM check-in: 9ccac85bb4 user: js tags: trunk
00:37
Minor cleanup of x86/ELF ASM check-in: b194a9a226 user: js tags: trunk
Changes
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Modified src/forwarding/forwarding-x86-win32.S from [2062a9ecd0] to [12b660e0de].

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_of_forward:
	pushl	%ebp
	movl	%esp, %ebp

	pushl	%ebx
	subl	$20, %esp

	call	get_eip
0:

	movl	8(%ebp), %eax
	movl	%eax, (%esp)
	leal	_object_getClass-0b(%ebx), %eax
	call	_object_getClass
	call	*%eax

	movl	%eax, (%esp)
	leal	sel_forwardingTargetForSelector_-0b(%ebx), %eax
	movl	$sel_forwardingTargetForSelector_, %eax
	movl	%eax, 4(%esp)
	leal	_class_respondsToSelector-0b(%ebx), %eax
	call	_class_respondsToSelector
	call	*%eax

	testl	%eax, %eax
	jz	1f
	jz	0f

	movl	8(%ebp), %eax
	movl	%eax, (%esp)
	leal	sel_forwardingTargetForSelector_-0b(%ebx), %eax
	movl	$sel_forwardingTargetForSelector_, %eax
	movl	%eax, 4(%esp)
	leal	_objc_msg_lookup-0b(%ebx), %eax
	call	_objc_msg_lookup
	call	*%eax

	movl	8(%ebp), %edx
	movl	%edx, (%esp)
	leal	sel_forwardingTargetForSelector_-0b(%ebx), %edx
	movl	$sel_forwardingTargetForSelector_, %edx
	movl	%edx, 4(%esp)
	movl	12(%ebp), %edx
	movl	%edx, 8(%esp)
	call	*%eax

	testl	%eax, %eax
	jz	1f
	jz	0f
	cmpl	8(%ebp), %eax
	je	1f
	je	0f

	movl	%eax, 8(%ebp)
	movl	%eax, (%esp)
	movl	12(%ebp), %eax
	movl	%eax, 4(%esp)
	leal	_objc_msg_lookup-0b(%ebx), %eax
	call	_objc_msg_lookup
	call	*%eax

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

	jmp	*%eax

1:
	leal	_of_method_not_found-0b(%ebx), %eax

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

	jmp	*%eax
	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)
	leal	_object_getClass-0b(%ebx), %eax
	call	_object_getClass
	call	*%eax

	movl	%eax, (%esp)
	leal	sel_forwardingTargetForSelector_-0b(%ebx), %eax
	movl	$sel_forwardingTargetForSelector_, %eax
	movl	%eax, 4(%esp)
	leal	_class_respondsToSelector-0b(%ebx), %eax
	call	_class_respondsToSelector
	call	*%eax

	testl	%eax, %eax
	jz	1f
	jz	0f

	movl	12(%ebp), %eax
	movl	%eax, (%esp)
	leal	sel_forwardingTargetForSelector_-0b(%ebx), %eax
	movl	$sel_forwardingTargetForSelector_, %eax
	movl	%eax, 4(%esp)
	leal	_objc_msg_lookup-0b(%ebx), %eax
	call	_objc_msg_lookup
	call	*%eax

	movl	12(%ebp), %edx
	movl	%edx, (%esp)
	leal	sel_forwardingTargetForSelector_-0b(%ebx), %edx
	movl	$sel_forwardingTargetForSelector_, %edx
	movl	%edx, 4(%esp)
	movl	16(%ebp), %edx
	movl	%edx, 8(%esp)
	call	*%eax

	testl	%eax, %eax
	jz	1f
	jz	0f
	cmpl	12(%ebp), %eax
	je	1f
	je	0f

	movl	%eax, 12(%ebp)
	movl	%eax, (%esp)
	movl	16(%ebp), %eax
	movl	%eax, 4(%esp)
	leal	_objc_msg_lookup_stret-0b(%ebx), %eax
	call	_objc_msg_lookup_stret
	call	*%eax

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

	jmp	*%eax

1:
	leal	_of_method_not_found_stret-0b(%ebx), %eax

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

	jmp	*%eax
	jmp	_of_method_not_found_stret

init:
	pushl	%ebp
	movl	%esp, %ebp

	pushl	%ebx
	subl	$4, %esp

	call	get_eip
0:
	leal	module-0b(%ebx), %eax
	movl	$module, %eax
	movl	%eax, (%esp)
	leal	___objc_exec_class-0b(%ebx), %eax
	call	___objc_exec_class
	call	*%eax

	addl	$4, %esp
	popl	%ebx
	popl	%ebp
	ret

get_eip:
	movl	(%esp), %ebx
	ret

.section .ctors, "aw"
	.long init

.section .rodata
str_forwardingTargetForSelector_:
	.asciz "forwardingTargetForSelector:"
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Modified src/runtime/lookup-asm/lookup-asm-x86-win32.S from [4aa81a0136] to [59e96874a5].

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	testl	%eax, %eax
	jz	0f

	ret

0:
	call	get_eip
1:
	addl	$\not_found-1b, %eax
	jmp	\not_found
	jmp	*%eax
.endm

.macro generate_lookup_super name lookup
\name:
	movl	4(%esp), %edx
	movl	(%edx), %eax
	cmpl	$0, %eax
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generate_lookup _objc_msg_lookup _objc_method_not_found
generate_lookup _objc_msg_lookup_stret _objc_method_not_found_stret
generate_lookup_super _objc_msg_lookup_super _objc_msg_lookup
generate_lookup_super _objc_msg_lookup_super_stret _objc_msg_lookup_stret

ret_nil:
	call	get_eip
0:
	addl	$nil_method-0b, %eax
	movl	$nil_method, %eax
	ret

nil_method:
	xorl	%eax, %eax
	ret

get_eip:
	movl	(%esp), %eax
	ret

Fossil 2.23 [47362306a7] 2023-11-01 18:56:47
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