// Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package loong64

import (
	"cmd/internal/objabi"
	"cmd/internal/sys"
	"cmd/link/internal/ld"
)

func Init() (*sys.Arch, ld.Arch) {
	arch := sys.ArchLoong64

	theArch := ld.Arch{
		Funcalign:        funcAlign,
		Maxalign:         maxAlign,
		Minalign:         minAlign,

// license that can be found in the LICENSE file.

//go:build linux && (arm64 || loong64 || riscv64)

package unix

// This file is named "generic" because at a certain point Linux started
// standardizing on system call numbers across architectures. So far this
// means only arm64 loong64 and riscv64 use the standard numbers.

const (
	getrandomTrap       uintptr = 278
	copyFileRangeTrap   uintptr = 285

// go run linux/mksysnum.go -Wall -Werror -static -I/tmp/loong64/include /tmp/loong64/include/asm/unistd.h
// Code generated by the command above; see README.md. DO NOT EDIT.

//go:build loong64 && linux

package unix

const (
	SYS_IO_SETUP                = 0
	SYS_IO_DESTROY              = 1
	SYS_IO_SUBMIT               = 2
	SYS_IO_CANCEL               = 3
	SYS_IO_GETEVENTS            = 4
	SYS_SETXATTR                = 5

// Code generated by gengoarch.go using 'go generate'. DO NOT EDIT.

//go:build loong64

package goarch

const GOARCH = `loong64`

const Is386 = 0
const IsAmd64 = 0
const IsAmd64p32 = 0
const IsArm = 0
const IsArmbe = 0
const IsArm64 = 0
const IsArm64be = 0
const IsLoong64 = 1
const IsMips = 0
const IsMipsle = 0
const IsMips64 = 0
const IsMips64le = 0
const IsMips64p32 = 0
const IsMips64p32le = 0
const IsPpc = 0

	case "386":
		arch, theArch = x86.Init()
	case "amd64":
		arch, theArch = amd64.Init()
	case "arm":
		arch, theArch = arm.Init()
	case "arm64":
		arch, theArch = arm64.Init()
	case "loong64":
		arch, theArch = loong64.Init()
	case "mips", "mipsle":
		arch, theArch = mips.Init()
	case "mips64", "mips64le":
		arch, theArch = mips64.Init()
	case "ppc64", "ppc64le":
		arch, theArch = ppc64.Init()
	case "riscv64":

// Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build loong64

package cpu

const cacheLineSize = 64

func initOptions() {

		return goarch == "amd64" || goarch == "arm64" || goarch == "loong64"
	case "freebsd":
		return goarch == "amd64"
	default:
		return false
	}
}

// ASanSupported reports whether goos/goarch supports the address
// sanitizer option.
func ASanSupported(goos, goarch string) bool {
	switch goos {
	case "linux":
		return goarch == "arm64" || goarch == "amd64" || goarch == "loong64" || goarch == "riscv64" || goarch == "ppc64le"
	default:

		LOONG64 | uint32(elf.R_LARCH_SOP_POP_32_S_0_10_10_16_S2)<<16,
		LOONG64 | uint32(elf.R_LARCH_MARK_PCREL)<<16,
		LOONG64 | uint32(elf.R_LARCH_ADD24)<<16,
		LOONG64 | uint32(elf.R_LARCH_ADD32)<<16,
		LOONG64 | uint32(elf.R_LARCH_SUB24)<<16,
		LOONG64 | uint32(elf.R_LARCH_SUB32)<<16,
		LOONG64 | uint32(elf.R_LARCH_B26)<<16,
		LOONG64 | uint32(elf.R_LARCH_32_PCREL)<<16:
		return 4, 4, nil

// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//
//go:build 386 || amd64 || amd64p32 || alpha || arm || arm64 || loong64 || mipsle || mips64le || mips64p32le || nios2 || ppc64le || riscv || riscv64 || sh

package unix

// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build darwin || dragonfly || freebsd || (linux && !arm64 && !loong64 && !riscv64) || netbsd || openbsd

package main

import "syscall"

func dup2(oldfd, newfd int) error {
	return syscall.Dup2(oldfd, newfd)