ObjFW  Diff

.globl _objc_msg_lookup_super_stret

.section .text
.macro GENERATE_LOOKUP name notFound
\name:
	mov	edx, [esp + 4]
	test	edx, edx
	jz	short returnNilMethod
	jz	short .LreturnNilMethod

	test	dl, 1
	jnz	short .LtaggedPointer_\name

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

.endm

.macro GENERATE_LOOKUP_SUPER name lookup
\name:
	mov	edx, [esp + 4]
	mov	eax, [edx]
	test	eax, eax
	jz	short returnNilMethod
	jz	short .LreturnNilMethod

	mov	[esp + 4], eax
	mov	edx, [edx  + 4]
	mov	edx, [edx + 32]
	jmp	short .Lmain_\lookup
.def \name
.scl 2
.type 32
.endef
.endm

GENERATE_LOOKUP _objc_msg_lookup _objc_methodNotFound
GENERATE_LOOKUP _objc_msg_lookup_stret _objc_methodNotFound_stret
GENERATE_LOOKUP_SUPER _objc_msg_lookup_super _objc_msg_lookup
GENERATE_LOOKUP_SUPER _objc_msg_lookup_super_stret _objc_msg_lookup_stret

returnNilMethod:
	mov	eax, offset nilMethod
.LreturnNilMethod:
	mov	eax, offset .LnilMethod
	ret

nilMethod:
.LnilMethod:
	xor	eax, eax
	ret