ObjFW  Diff

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.globl objc_msg_lookup_super
.globl objc_msg_lookup_super_stret

.section .text
.macro generate_lookup name not_found
\name:
	brz,pn	%o0, ret_nil
	 and	%o0, 1, %o2
	brnz,pn	%o2, .Ltagged_pointer_\name
	 nop

	ldx	[%o0], %o2
	ldx	[%o2 + 64], %o2

.Lmain_\name:
#ifdef OF_SELUID24
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#ifdef OF_SELUID24
	ldx	[%o2 + %o3], %o2
#endif
	ldx	[%o2 + %o4], %o2
	ldx	[%o2 + %o5], %o2

	cmp	%o2, 0
	brz,pn	%o2, 0f
	be,pn	%xcc, 0f
	 nop

	retl
	 mov	%o2, %o0

0:
	mov	%o7, %g1
	call	\not_found
	 mov	%g1, %o7

.Ltagged_pointer_\name:
	and	%o0, 0xE, %o2
	sll	%o2, 2, %o2

	mov	%o7, %g1
	sethi	%hi(_GLOBAL_OFFSET_TABLE_ - 4), %o3
	call	0f
	 or	%o3, %lo(_GLOBAL_OFFSET_TABLE_ + 4), %o3
0:
	add	%o7, %o3, %o3
	mov	%g1, %o7

	sethi	%hi(objc_tagged_pointer_classes), %o0
	or	%o0, %lo(objc_tagged_pointer_classes), %o0
	ldx	[%o3 + %o0], %o0
	ldx	[%o0 + %o2], %o2
	ba	.Lmain_\name
	 ldx	[%o2 + 64], %o2

.type \name, %function
.size \name, .-\name
.endm

.macro generate_lookup_super name lookup
\name:
	mov	%o0, %o2
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ret_nil:
#ifdef OF_PIC
	mov	%o7, %g1

	sethi	%hi(_GLOBAL_OFFSET_TABLE_ - 4), %o1
	call	0f
	 add	%o1, %lo(_GLOBAL_OFFSET_TABLE_ + 4), %o1
	 or	%o1, %lo(_GLOBAL_OFFSET_TABLE_ + 4), %o1
0:
	add	%o7, %o1, %o1

	sethi	%hi(nil_method), %o0
	or	%o0, %lo(nil_method), %o0

	jmpl	%g1 + 8, %g0