ObjFW  Diff

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.section .text
.macro generate_lookup name not_found
\name:
	mov	edx, [esp+4]
	test	edx, edx
	jz	short ret_nil

	bt	edx, 0
	jc	short .Ltagged_pointer_\name

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

.Lmain_\name:
	mov	eax, [esp+8]

#ifdef OF_SELUID24
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	ret

0:
	call	get_eip
	add	eax, offset _GLOBAL_OFFSET_TABLE_
	lea	eax, [eax+\not_found@GOTOFF]
	jmp	eax

.Ltagged_pointer_\name:
	call	get_eip
	add	eax, offset _GLOBAL_OFFSET_TABLE_

	lea	ecx, [eax+objc_tagged_pointer_secret@GOTOFF]
	xor	edx, [ecx]
	and	dl, 0xE
	movzx	edx, dl

	lea	eax, [eax+objc_tagged_pointer_classes@GOTOFF]
	mov	edx, [eax+edx*2]
	mov	edx, [edx+32]

	jmp	short .Lmain_\name
.type \name, %function
.size \name, .-\name
.endm

.macro generate_lookup_super name lookup
\name:
	mov	edx, [esp+4]