ObjFW  Diff

.globl objc_msg_lookup_super
.globl objc_msg_lookup_super_stret

.section .text
.macro GENERATE_LOOKUP name notFound
\name:
	test	rdi, rdi
	jz	short returnNilMethod
	jz	short .LreturnNilMethod

	test	dil, 1
	jnz	short .LtaggedPointer_\name

	mov	r8, [rdi]
	mov	r8, [r8 + 64]

.endm

.macro GENERATE_LOOKUP_SUPER name lookup
\name:
	mov	r8, rdi
	mov	rdi, [rdi]
	test	rdi, rdi
	jz	short returnNilMethod
	jz	short .LreturnNilMethod

	mov	r8, [r8 + 8]
	mov	r8, [r8 + 64]
	jmp	short .Lmain_\lookup
.type \name, %function
.size \name, .-\name
.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:
	lea	rax, [rip + nilMethod]
.LreturnNilMethod:
	lea	rax, [rip + .LnilMethod]
	ret

nilMethod:
.LnilMethod:
	xor	rax, rax
	ret

#if defined(OF_LINUX) || defined(OF_HAIKU) || defined(OF_HURD)
.section .note.GNU-stack, "", %progbits
#endif