ObjFW  Check-in [119b311a62]

Overview
Comment:forwardingTargetForSelector: for PowerPC 64/ELF v2
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA3-256: 119b311a6261bfa7a253ced0844f164cda4c9e3b133e66f66c7bf44e692034cc
User & Date: js on 2024-08-19 21:42:08
Other Links: manifest | tags
References
2024-08-19
21:45 • Ticket [769aec5298] Write assembly for forwardingTargetForSelector: on PowerPC 64 status still Open with 3 other changes artifact: 9d47a6451f user: js
Context
2024-08-19
22:04
OFSCTPSocket: Initialize flags for sctp_recvv to 0 check-in: 12289e98ac user: js tags: trunk
21:42
forwardingTargetForSelector: for PowerPC 64/ELF v2 check-in: 119b311a62 user: js tags: trunk
19:29
ofdns: Default to AAAA and A, not ALL check-in: 474dc73a94 user: js tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Added src/forwarding/forwarding-powerpc64-elf.S version [3dd02eb036]. 



























































































































































































































































































































































































































































































































































































































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/*
 * Copyright (c) 2008-2024 Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version 3.0 only,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
 * version 3.0 for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3.0 along with this program. If not, see
 * <https://www.gnu.org/licenses/>.
 */

#include "config.h"

#include "platform.h"

.abiversion 2

.globl OFForward
.globl OFForward_stret

.section .text
OFForward:
	.cfi_startproc
	addis	%r2, %r12, .TOC.-OFForward@ha
	addi	%r2, %r2, .TOC.-OFForward@l
.localentry OFForward, .-OFForward
	mflr	%r0
	std	%r0, 16(%r1)
	stdu	%r1, -160(%r1)
	.cfi_def_cfa_offset 160
	.cfi_offset lr, 16
	std	%r2, 24(%r1)

	/* Save all arguments */
	std	%r3, 32(%r1)
	std	%r4, 40(%r1)
	std	%r5, 48(%r1)
	std	%r6, 56(%r1)
	std	%r7, 64(%r1)
	std	%r8, 72(%r1)
	std	%r9, 80(%r1)
	std	%r10, 88(%r1)

	/* Save all floating point arguments */
	stfd	%f1, 96(%r1)
	stfd	%f2, 104(%r1)
	stfd	%f3, 112(%r1)
	stfd	%f4, 120(%r1)
	stfd	%f5, 128(%r1)
	stfd	%f6, 136(%r1)
	stfd	%f7, 144(%r1)
	stfd	%f8, 152(%r1)

	bl	object_getClass
	nop

	addis	%r4, %r2, .Lsel_forwardingTargetForSelector_@toc@ha
	addi	%r4, %r4, .Lsel_forwardingTargetForSelector_@toc@l
	bl	class_respondsToSelector
	nop

	cmpdi	%r3, 0
	beq-	0f

	ld	%r3, 32(%r1)
	addis	%r4, %r2, .Lsel_forwardingTargetForSelector_@toc@ha
	addi	%r4, %r4, .Lsel_forwardingTargetForSelector_@toc@l
	bl	objc_msg_lookup
	nop
	mr	%r12, %r3

	ld	%r3, 32(%r1)
	addis	%r4, %r2, .Lsel_forwardingTargetForSelector_@toc@ha
	addi	%r4, %r4, .Lsel_forwardingTargetForSelector_@toc@l
	ld	%r5, 40(%r1)
	mtctr	%r12
	bctrl
	ld	%r2, 24(%r1)

	cmpdi	%r3, 0
	beq-	0f
	ld	%r4, 32(%r1)
	cmpw	%r3, %r4
	beq-	0f

	std	%r3, 32(%r1)

	ld	%r4, 40(%r1)
	bl	objc_msg_lookup
	nop
	mr	%r12, %r3

	/* Restore all arguments */
	ld	%r3, 32(%r1)
	ld	%r4, 40(%r1)
	ld	%r5, 48(%r1)
	ld	%r6, 56(%r1)
	ld	%r7, 64(%r1)
	ld	%r8, 72(%r1)
	ld	%r9, 80(%r1)
	ld	%r10, 88(%r1)

	/* Restore all floating point arguments */
	lfd	%f1, 96(%r1)
	lfd	%f2, 104(%r1)
	lfd	%f3, 112(%r1)
	lfd	%f4, 120(%r1)
	lfd	%f5, 128(%r1)
	lfd	%f6, 136(%r1)
	lfd	%f7, 144(%r1)
	lfd	%f8, 152(%r1)

	addi	%r1, %r1, 160
	ld	%r0, 16(%r1)
	mtlr	%r0

	mtctr	%r12
	bctr

0:
	ld	%r3, 32(%r1)
	ld	%r4, 40(%r1)

	bl	OFMethodNotFound
	nop

	addi	%r1, %r1, 160
	lwz	%r0, 16(%r1)
	mtlr	%r0

	blr
	.cfi_endproc
.type OFForward, @function
.size OFForward, .-OFForward

OFForward_stret:
	.cfi_startproc
	addis	%r2, %r12, .TOC.-OFForward_stret@ha
	addi	%r2, %r2, .TOC.-OFForward_stret@l
.localentry OFForward_stret, .-OFForward_stret
	mflr	%r0
	std	%r0, 16(%r1)
	stdu	%r1, -160(%r1)
	.cfi_def_cfa_offset 160
	.cfi_offset lr, 16
	std	%r2, 24(%r1)

	/* Save all arguments */
	std	%r3, 32(%r1)
	std	%r4, 40(%r1)
	std	%r5, 48(%r1)
	std	%r6, 56(%r1)
	std	%r7, 64(%r1)
	std	%r8, 72(%r1)
	std	%r9, 80(%r1)
	std	%r10, 88(%r1)

	/* Save all floating point arguments */
	stfd	%f1, 96(%r1)
	stfd	%f2, 104(%r1)
	stfd	%f3, 112(%r1)
	stfd	%f4, 120(%r1)
	stfd	%f5, 128(%r1)
	stfd	%f6, 136(%r1)
	stfd	%f7, 144(%r1)
	stfd	%f8, 152(%r1)

	mr	%r3, %r4
	bl	object_getClass
	nop

	addis	%r4, %r2, .Lsel_forwardingTargetForSelector_@toc@ha
	addi	%r4, %r4, .Lsel_forwardingTargetForSelector_@toc@l
	bl	class_respondsToSelector
	nop

	cmpdi	%r3, 0
	beq-	0f

	ld	%r3, 40(%r1)
	addis	%r4, %r2, .Lsel_forwardingTargetForSelector_@toc@ha
	addi	%r4, %r4, .Lsel_forwardingTargetForSelector_@toc@l
	bl	objc_msg_lookup
	nop
	mr	%r12, %r3

	ld	%r3, 40(%r1)
	addis	%r4, %r2, .Lsel_forwardingTargetForSelector_@toc@ha
	addi	%r4, %r4, .Lsel_forwardingTargetForSelector_@toc@l
	ld	%r5, 48(%r1)
	mtctr	%r12
	bctrl
	ld	%r2, 24(%r1)

	cmpdi	%r3, 0
	beq-	0f
	ld	%r4, 40(%r1)
	cmpw	%r3, %r4
	beq-	0f

	std	%r3, 40(%r1)

	ld	%r4, 48(%r1)
	bl	objc_msg_lookup_stret
	nop
	mr	%r12, %r3

	/* Restore all arguments */
	ld	%r3, 32(%r1)
	ld	%r4, 40(%r1)
	ld	%r5, 48(%r1)
	ld	%r6, 56(%r1)
	ld	%r7, 64(%r1)
	ld	%r8, 72(%r1)
	ld	%r9, 80(%r1)
	ld	%r10, 88(%r1)

	/* Restore all floating point arguments */
	lfd	%f1, 96(%r1)
	lfd	%f2, 104(%r1)
	lfd	%f3, 112(%r1)
	lfd	%f4, 120(%r1)
	lfd	%f5, 128(%r1)
	lfd	%f6, 136(%r1)
	lfd	%f7, 144(%r1)
	lfd	%f8, 152(%r1)

	addi	%r1, %r1, 160
	ld	%r0, 16(%r1)
	mtlr	%r0

	mtctr	%r12
	bctr

0:
	ld	%r3, 32(%r1)
	ld	%r4, 40(%r1)
	ld	%r5, 48(%r1)

	bl	OFMethodNotFound_stret
	nop

	addi	%r1, %r1, 160
	lwz	%r0, 16(%r1)
	mtlr	%r0

	blr
	.cfi_endproc
.type OFForward_stret, @function
.size OFForward_stret, .-OFForward_stret

.Linit:
	addis	%r2, %r12, .TOC.-.Linit@ha
	addi	%r2, %r2, .TOC.-.Linit@l
.localentry .Linit, .-.Linit
	mflr	%r0
	std	%r0, 16(%r1)
	stdu	%r1, -32(%r1)

	addis	%r3, %r2, .Lmodule@toc@ha
	addi	%r3, %r3, .Lmodule@toc@l
	bl	__objc_exec_class
	nop

	addi	%r1, %r1, 32
	ld	%r0, 16(%r1)

	mtlr	%r0
	blr

.section .ctors, "aw", @progbits
	.quad .Linit

.section .rodata
.Lstr_forwardingTargetForSelector_:
	.asciz "forwardingTargetForSelector:"

.section .data
.Lsel_forwardingTargetForSelector_:
	.quad .Lstr_forwardingTargetForSelector_, 0
	.quad 0, 0
.Lsymtab:
	.quad 0, .Lsel_forwardingTargetForSelector_
	.short 0, 0
	.long 0
	.quad 0
.Lmodule:
	.quad 8, 32, 0, .Lsymtab

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

Modified src/forwarding/forwarding.S from [ab4fbfbdfb] to [e8275219ea].

︙︙
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#   include "forwarding-x86-elf.S"
#  elif defined(OF_ARM64)
#   include "forwarding-arm64-elf.S"
#  elif defined(OF_ARM)
#   include "forwarding-arm-elf.S"
#  elif defined(OF_POWERPC)
#   include "forwarding-powerpc-elf.S"


#  elif defined(OF_MIPS64_N64)
#   include "forwarding-mips64-n64-elf.S"
#  elif defined(OF_MIPS)
#   include "forwarding-mips-elf.S"
#  elif defined(OF_SPARC64)
#   include "forwarding-sparc64-elf.S"
#  elif defined(OF_SPARC)








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#   include "forwarding-x86-elf.S"
#  elif defined(OF_ARM64)
#   include "forwarding-arm64-elf.S"
#  elif defined(OF_ARM)
#   include "forwarding-arm-elf.S"
#  elif defined(OF_POWERPC)
#   include "forwarding-powerpc-elf.S"
#  elif defined(OF_POWERPC64) && defined(_CALL_ELF) && _CALL_ELF == 2
#   include "forwarding-powerpc64-elf.S"
#  elif defined(OF_MIPS64_N64)
#   include "forwarding-mips64-n64-elf.S"
#  elif defined(OF_MIPS)
#   include "forwarding-mips-elf.S"
#  elif defined(OF_SPARC64)
#   include "forwarding-sparc64-elf.S"
#  elif defined(OF_SPARC)
︙︙

Modified src/macros.h from [e8d271f2ea] to [135cc5084f].

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    defined(OF_ARM) || defined(OF_POWERPC)
#  define OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR
#  define OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR_STRET
# endif
#else
# if defined(OF_ELF)
#  if defined(OF_AMD64) || defined(OF_X86) || \
    defined(OF_ARM64) || defined(OF_ARM) || defined(OF_POWERPC) || \

    defined(OF_MIPS64_N64) || defined(OF_MIPS) || \
    defined(OF_SPARC64) || defined(OF_SPARC) || \
    defined(OF_RISCV64) || defined(OF_LOONGARCH64)
#   define OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR
#   if __OBJFW_RUNTIME_ABI__ >= 800
#    define OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR_STRET
#   endif








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    defined(OF_ARM) || defined(OF_POWERPC)
#  define OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR
#  define OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR_STRET
# endif
#else
# if defined(OF_ELF)
#  if defined(OF_AMD64) || defined(OF_X86) || \
    defined(OF_ARM64) || defined(OF_ARM) || \
    defined(OF_POWERPC) || defined(OF_POWERPC64) || \
    defined(OF_MIPS64_N64) || defined(OF_MIPS) || \
    defined(OF_SPARC64) || defined(OF_SPARC) || \
    defined(OF_RISCV64) || defined(OF_LOONGARCH64)
#   define OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR
#   if __OBJFW_RUNTIME_ABI__ >= 800
#    define OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR_STRET
#   endif
︙︙