// 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 (linux && arm64) || (linux && loong64) || (linux && riscv64)

package main

import "syscall"

func dup2(oldfd, newfd int) error {
	return syscall.Dup3(oldfd, newfd, 0)

// Copyright 2023 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 || wasm

package binary

type nativeEndian struct {
	littleEndian
}

// 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 freebsd || (linux && loong64)

package unix

import "syscall"

func Fstatat(dirfd int, path string, stat *syscall.Stat_t, flags int) error {
	return syscall.Fstatat(dirfd, path, stat, flags)

// 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 runtime

import "unsafe"

// adjust Gobuf as if it executed a call to fn with context ctxt
// and then did an immediate Gosave.
func gostartcall(buf *gobuf, fn, ctxt unsafe.Pointer) {
	if buf.lr != 0 {
		throw("invalid use of gostartcall")
	}

// Copyright 2018 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 dragonfly || (linux && !loong64) || netbsd || (openbsd && mips64)

package unix

import (
	"syscall"
	"unsafe"
)

func Fstatat(dirfd int, path string, stat *syscall.Stat_t, flags int) error {
	var p *byte
	p, err := syscall.BytePtrFromString(path)
	if err != nil {

	for i := loong64.REG_R0; i <= loong64.REG_R31; i++ {
		register[obj.Rconv(i)] = int16(i)
	}
	for i := loong64.REG_F0; i <= loong64.REG_F31; i++ {
		register[obj.Rconv(i)] = int16(i)
	}
	for i := loong64.REG_FCSR0; i <= loong64.REG_FCSR31; i++ {
		register[obj.Rconv(i)] = int16(i)
	}
	for i := loong64.REG_FCC0; i <= loong64.REG_FCC31; i++ {
		register[obj.Rconv(i)] = int16(i)
	}

// Code generated by stringer -i a.out.go -o anames.go -p loong64; DO NOT EDIT.

package loong64

import "cmd/internal/obj"

var Anames = []string{
	obj.A_ARCHSPECIFIC: "ABSD",
	"ABSF",
	"ADD",
	"ADDD",
	"ADDF",
	"ADDU",
	"ADDW",
	"AND",
	"BEQ",
	"BGEZ",
	"BLEZ",
	"BGTZ",
	"BLTZ",
	"BFPF",
	"BFPT",
	"BNE",
	"BREAK",
	"CLO",
	"CLZ",
	"CMPEQD",
	"CMPEQF",
	"CMPGED",
	"CMPGEF",

// 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/obj"
)

//go:generate go run ../stringer.go -i $GOFILE -o anames.go -p loong64

const (
	NSNAME = 8
	NSYM   = 50
	NREG   = 32 // number of general registers
	NFREG  = 32 // number of floating point registers
)

const (

// Copyright 2018 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 (linux && !386 && !amd64 && !arm && !arm64 && !loong64 && !mips64 && !mips64le && !ppc64 && !ppc64le && !riscv64 && !s390x) || !linux

package runtime

// A dummy version of inVDSOPage for targets that don't use a VDSO.

func inVDSOPage(pc uintptr) bool {
	return false

// 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 (linux && (amd64 || arm64 || loong64 || ppc64le)) || (freebsd && amd64)

#include <errno.h>
#include <stdint.h>
#include <stdlib.h>
#include <sys/mman.h>

#include "libcgo.h"

uintptr_t