ObjFW  Check-in [573f1ca9aa]

Overview
Comment:forwardingTargetForSelector: for LoongArch 64/ELF
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA3-256: 573f1ca9aa0bc6cad2768249cd88eea14a835c5a696dbd3001a08d77a0044989
User & Date: js on 2024-07-27 23:33:30
Other Links: manifest | tags
References
2024-07-27
23:34 • Fixed ticket [fafe525b8a]: Write assembly for forwardingTargetForSelector: on LoongArch 64 plus 4 other changes artifact: 2d77983ba8 user: js
Context
2024-07-27
23:48
platform.h: Add SuperH check-in: 43af96a7c8 user: js tags: trunk
23:33
forwardingTargetForSelector: for LoongArch 64/ELF check-in: 573f1ca9aa user: js tags: trunk
16:16
LoongArch 64/ELF assembly lookup implementation check-in: 6099526435 user: js tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Modified PLATFORMS.md from [798ae85dd1] to [af0e683b2f].

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architecture, executable format and calling convention, it is only available
for the following platforms (except resolveClassMethod: and
resolveInstanceMethod:, which are always available):

  * AMD64 (SysV/ELF, Apple/Mach-O, Mach-O, Win64/PE)
  * ARM (EABI/ELF, Apple/Mach-O)
  * ARM64 (ARM64/ELF, Apple/Mach-O)

  * MIPS (O32/ELF, EABI/ELF)
  * MIPS64 (N64/ELF)
  * PowerPC (SysV/ELF, EABI/ELF, Apple/Mach-O)
  * RISC-V 64 (SysV/ELF)
  * SPARC (SysV/ELF)
  * SPARC64 (SysV/ELF)
  * x86 (SysV/ELF, Apple/Mach-O, Win32/PE)








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architecture, executable format and calling convention, it is only available
for the following platforms (except resolveClassMethod: and
resolveInstanceMethod:, which are always available):

  * AMD64 (SysV/ELF, Apple/Mach-O, Mach-O, Win64/PE)
  * ARM (EABI/ELF, Apple/Mach-O)
  * ARM64 (ARM64/ELF, Apple/Mach-O)
  * LoongArch 64 (SysV/ELF)
  * MIPS (O32/ELF, EABI/ELF)
  * MIPS64 (N64/ELF)
  * PowerPC (SysV/ELF, EABI/ELF, Apple/Mach-O)
  * RISC-V 64 (SysV/ELF)
  * SPARC (SysV/ELF)
  * SPARC64 (SysV/ELF)
  * x86 (SysV/ELF, Apple/Mach-O, Win32/PE)
︙︙

Added src/forwarding/forwarding-loongarch64-elf.S version [54c3f35928]. 

























































































































































































































































































































































































































































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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"

.globl OFForward
.globl OFForward_stret

.section .text
OFForward:
	addi.d	$sp, $sp, -144
	st.d	$ra, $sp, 0

	st.d	$a0, $sp, 8
	st.d	$a1, $sp, 16
	st.d	$a2, $sp, 24
	st.d	$a3, $sp, 32
	st.d	$a4, $sp, 40
	st.d	$a5, $sp, 48
	st.d	$a6, $sp, 56
	st.d	$a7, $sp, 64

	fst.d	$fa0, $sp, 72
	fst.d	$fa1, $sp, 80
	fst.d	$fa2, $sp, 88
	fst.d	$fa3, $sp, 96
	fst.d	$fa4, $sp, 104
	fst.d	$fa5, $sp, 112
	fst.d	$fa6, $sp, 120
	fst.d	$fa7, $sp, 128

	bl	%plt(object_getClass)

	la.local $a1, .Lsel_forwardingTargetForSelector_
	bl	%plt(class_respondsToSelector)
	beqz	$a0, 0f

	ld.d	$a0, $sp, 8
	la.local $a1, .Lsel_forwardingTargetForSelector_
	bl	%plt(objc_msg_lookup)
	move	$t0, $a0

	ld.d	$a0, $sp, 8
	la.local $a1, .Lsel_forwardingTargetForSelector_
	ld.d	$a2, $sp, 16
	jirl	$ra, $t0, 0

	beqz	$a0, 0f
	ld.d	$t0, $sp, 8
	beq	$t0, $a0, 0f

	st.d	$a0, $sp, 8

	ld.d	$a1, $sp, 16
	bl	%plt(objc_msg_lookup)
	move	$t0, $a0

	fld.d	$fa7, $sp, 128
	fld.d	$fa6, $sp, 120
	fld.d	$fa5, $sp, 112
	fld.d	$fa4, $sp, 104
	fld.d	$fa3, $sp, 96
	fld.d	$fa2, $sp, 88
	fld.d	$fa1, $sp, 80
	fld.d	$fa0, $sp, 72

	ld.d	$a7, $sp, 64
	ld.d	$a6, $sp, 56
	ld.d	$a5, $sp, 48
	ld.d	$a4, $sp, 40
	ld.d	$a3, $sp, 32
	ld.d	$a2, $sp, 24
	ld.d	$a1, $sp, 16
	ld.d	$a0, $sp, 8

	ld.d	$ra, $sp, 0
	addi.d	$sp, $sp, 144

	jr	$t0

0:
	ld.d	$a1, $sp, 16
	ld.d	$a0, $sp, 8

	ld.d	$ra, $sp, 0
	addi.d	$sp, $sp, 144

	b	%plt(OFMethodNotFound)
.type OFForward, @function
.size OFForward, .-OFForward

OFForward_stret:
	addi.d	$sp, $sp, -144
	st.d	$ra, $sp, 0

	st.d	$a0, $sp, 8
	st.d	$a1, $sp, 16
	st.d	$a2, $sp, 24
	st.d	$a3, $sp, 32
	st.d	$a4, $sp, 40
	st.d	$a5, $sp, 48
	st.d	$a6, $sp, 56
	st.d	$a7, $sp, 64

	fst.d	$fa0, $sp, 72
	fst.d	$fa1, $sp, 80
	fst.d	$fa2, $sp, 88
	fst.d	$fa3, $sp, 96
	fst.d	$fa4, $sp, 104
	fst.d	$fa5, $sp, 112
	fst.d	$fa6, $sp, 120
	fst.d	$fa7, $sp, 128

	move	$a0, $a1
	bl	%plt(object_getClass)

	la.local $a1, .Lsel_forwardingTargetForSelector_
	bl	%plt(class_respondsToSelector)
	beqz	$a0, 0f

	ld.d	$a0, $sp, 16
	la.local $a1, .Lsel_forwardingTargetForSelector_
	bl	%plt(objc_msg_lookup)
	move	$t0, $a0

	ld.d	$a0, $sp, 16
	la.local $a1, .Lsel_forwardingTargetForSelector_
	ld.d	$a2, $sp, 24
	jirl	$ra, $t0, 0

	beqz	$a0, 0f
	ld.d	$t0, $sp, 16
	beq	$t0, $a0, 0f

	st.d	$a0, $sp, 16

	ld.d	$a1, $sp, 24
	bl	%plt(objc_msg_lookup_stret)
	move	$t0, $a0

	fld.d	$fa7, $sp, 128
	fld.d	$fa6, $sp, 120
	fld.d	$fa5, $sp, 112
	fld.d	$fa4, $sp, 104
	fld.d	$fa3, $sp, 96
	fld.d	$fa2, $sp, 88
	fld.d	$fa1, $sp, 80
	fld.d	$fa0, $sp, 72

	ld.d	$a7, $sp, 64
	ld.d	$a6, $sp, 56
	ld.d	$a5, $sp, 48
	ld.d	$a4, $sp, 40
	ld.d	$a3, $sp, 32
	ld.d	$a2, $sp, 24
	ld.d	$a1, $sp, 16
	ld.d	$a0, $sp, 8

	ld.d	$ra, $sp, 0
	addi.d	$sp, $sp, 144

	jr	$t0

0:
	ld.d	$a2, $sp, 24
	ld.d	$a1, $sp, 16
	ld.d	$a0, $sp, 8

	ld.d	$ra, $sp, 0
	addi.d	$sp, $sp, 144

	b	%plt(OFMethodNotFound_stret)
.type OFForward_stret, @function
.size OFForward_stret, .-OFForward_stret

.Linit:
	la.local $a0, .Lmodule
	b	%plt(__objc_exec_class)

.section .init_array, "aw"
	.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 [fb23108c9e] to [ab4fbfbdfb].

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#   include "forwarding-mips-elf.S"
#  elif defined(OF_SPARC64)
#   include "forwarding-sparc64-elf.S"
#  elif defined(OF_SPARC)
#   include "forwarding-sparc-elf.S"
#  elif defined(OF_RISCV64)
#   include "forwarding-riscv64-elf.S"


#  endif
# elif defined(OF_MACH_O)
#  if defined(OF_AMD64)
#   include "forwarding-amd64-macho.S"
#  endif
# elif defined(OF_WINDOWS)
#  if defined(OF_AMD64)








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#   include "forwarding-mips-elf.S"
#  elif defined(OF_SPARC64)
#   include "forwarding-sparc64-elf.S"
#  elif defined(OF_SPARC)
#   include "forwarding-sparc-elf.S"
#  elif defined(OF_RISCV64)
#   include "forwarding-riscv64-elf.S"
#  elif defined(OF_LOONGARCH64)
#   include "forwarding-loongarch64-elf.S"
#  endif
# elif defined(OF_MACH_O)
#  if defined(OF_AMD64)
#   include "forwarding-amd64-macho.S"
#  endif
# elif defined(OF_WINDOWS)
#  if defined(OF_AMD64)
︙︙

Modified src/macros.h from [279bb31779] to [e8d271f2ea].

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# 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)
#   define OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR
#   if __OBJFW_RUNTIME_ABI__ >= 800
#    define OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR_STRET
#   endif
#  endif
# elif defined(OF_MACH_O)
#  if defined(OF_AMD64)








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# 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
#  endif
# elif defined(OF_MACH_O)
#  if defined(OF_AMD64)
︙︙

Modified src/runtime/lookup-asm/lookup-asm-loongarch64-elf.S from [cb61c5a810] to [697db5824e].

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.macro GENERATE_LOOKUP name notFound
\name:
	beqz	$a0, .LreturnNilMethod

	andi	$t0, $a0, 1
	bnez	$t0, .LtaggedPointer_\name

	ld.d	$t0, $a0, 0
	ld.d	$t0, $t0, 64

.Lmain_\name:
#ifdef OF_SELUID24
	ld.bu	$t1, $a1, 2
	slli.d	$t1, $t1, 3
#endif
	ld.bu	$t2, $a1, 1








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.macro GENERATE_LOOKUP name notFound
\name:
	beqz	$a0, .LreturnNilMethod

	andi	$t0, $a0, 1
	bnez	$t0, .LtaggedPointer_\name

	ldptr.d	$t0, $a0, 0
	ldptr.d	$t0, $t0, 64

.Lmain_\name:
#ifdef OF_SELUID24
	ld.bu	$t1, $a1, 2
	slli.d	$t1, $t1, 3
#endif
	ld.bu	$t2, $a1, 1
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	ldptr.d	$t1, $t1, 0
	xor	$t1, $a0, $t1
	andi	$t1, $t1, 0xE
	slli.d	$t1, $t1, 2

	la.global $t0, objc_taggedPointerClasses
	ldx.d	$t0, $t0, $t1
	ld.d	$t0, $t0, 64

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

.macro GENERATE_LOOKUP_SUPER name lookup
\name:
	move	$t0, $a0
	ld.d	$a0, $a0, 0
	beqz	$a0, .LreturnNilMethod

	ld.d	$t0, $t0, 8
	ld.d	$t0, $t0, 64

	b	.Lmain_\lookup
.type \name, %function
.size \name, .-\name
.endm

GENERATE_LOOKUP objc_msg_lookup objc_methodNotFound








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	ldptr.d	$t1, $t1, 0
	xor	$t1, $a0, $t1
	andi	$t1, $t1, 0xE
	slli.d	$t1, $t1, 2

	la.global $t0, objc_taggedPointerClasses
	ldx.d	$t0, $t0, $t1
	ldptr.d	$t0, $t0, 64

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

.macro GENERATE_LOOKUP_SUPER name lookup
\name:
	move	$t0, $a0
	ldptr.d	$a0, $a0, 0
	beqz	$a0, .LreturnNilMethod

	ldptr.d	$t0, $t0, 8
	ldptr.d	$t0, $t0, 64

	b	.Lmain_\lookup
.type \name, %function
.size \name, .-\name
.endm

GENERATE_LOOKUP objc_msg_lookup objc_methodNotFound
︙︙