ObjFW  Diff

.globl objc_msg_lookup_stret
.globl objc_msg_lookup_super
.globl objc_msg_lookup_super_stret

.section .text
.macro generate_lookup name not_found
\name:
	test	%rcx, %rcx
	test	rcx, rcx
	jz	short ret_nil

	bt	ecx, 0
	jc	short .Ltagged_pointer_\name

	mov	r8, [rcx]
	mov	r8, [r8+56]

.Lmain_\name:
	mov	r10, rcx
	mov	r11, rdx

	ret

0:
	mov	rcx, r10
	mov	rdx, r11
	jmp	\not_found

.Ltagged_pointer_\name:
	movzx	r8, cl
	shr	r8, 1

	mov	rax, offset objc_tagged_pointer_classes
	mov	r8, [rax+r8*8]
	mov	r8, [r8+56]

	jmp	short .Lmain_\name
.endm

.macro generate_lookup_super name lookup
\name:
	mov	r8, rcx
	mov	rcx, [rcx]
	test	rcx, rcx