ObjFW  Check-in [b14cbb56dd]

Overview
Comment:lookup-asm-sparc-elf.S: Support tagged pointers
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SHA3-256: b14cbb56dd5644a7842bca71db79dee263b33c7daec1615a39ed27126da17b8d
User & Date: js on 2020-07-04 22:30:01
Other Links: branch diff | manifest | tags
Context
2020-07-05
11:11
Merge trunk into branch "tagged-pointers" check-in: 6fb1661b64 user: js tags: tagged-pointers
2020-07-04
22:30
lookup-asm-sparc-elf.S: Support tagged pointers check-in: b14cbb56dd user: js tags: tagged-pointers
14:21
lookup-asm-x86_64-macho.S: Support tagged pointers check-in: 3f2a6306a3 user: js tags: tagged-pointers
Changes
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Modified src/runtime/lookup-asm/lookup-asm-sparc-elf.S from [16219ec5cd] to [e4c61d5899].

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.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:
	cmp	%o0, 0
	be	ret_nil
	tst	%o0
	bz	ret_nil
	 btst	1, %o0
	bnz	.Ltagged_pointer_\name	
	 nop

	ld	[%o0], %o2
	ld	[%o2 + 32], %o2

.Lmain_\name:
#ifdef OF_SELUID24
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	cmp	%o2, 0
	be	\not_found
	 nop

	retl
	 mov	%o2, %o0

.Ltagged_pointer_\name:
	and	%o0, 0xE, %o2
	sll	%o2, 1, %o2

#ifdef OF_PIC
	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
	ld	[%o3 + %o0], %o0
#else
	sethi	%hi(objc_tagged_pointer_classes), %o0
	or	%o0, %lo(objc_tagged_pointer_classes), %o0
#endif
	ld	[%o0 + %o2], %o2
	ba	.Lmain_\name
	 ld	[%o2 + 32], %o2
.type \name, %function
.size \name, .-\name
.endm

.macro generate_lookup_super name lookup
\name:
	mov	%o0, %o2
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Modified src/runtime/lookup-asm/lookup-asm-sparc64-elf.S from [b777f33d5b] to [7d76fc1761].

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#else
	sethi	%hi(objc_tagged_pointer_classes), %o0
	or	%o0, %lo(objc_tagged_pointer_classes), %o0
#endif
	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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