// 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 darwin || dragonfly || freebsd || netbsd || openbsd

package route

// This file contains duplicates of encoding/binary package.
//
// This package is supposed to be used by the net package of standard
// library. Therefore the package set used in the package must be the

		case "freebsd":
			// Copied from golang.org/x/sys/unix/dev_freebsd.go.
			major := uint32((dev >> 8) & 0xff)
			minor := uint32(dev & 0xffff00ff)
			h.Devmajor, h.Devminor = int64(major), int64(minor)
		case "netbsd":
			// Copied from golang.org/x/sys/unix/dev_netbsd.go.
			major := uint32((dev & 0x000fff00) >> 8)
			minor := uint32((dev & 0x000000ff) >> 0)
			minor |= uint32((dev & 0xfff00000) >> 12)

// Copyright 2009 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 aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos

package unix

import "unsafe"

// readInt returns the size-bytes unsigned integer in native byte order at offset off.
func readInt(b []byte, off, size uintptr) (u uint64, ok bool) {

// Copyright 2009 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 aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos

// Package unix contains an interface to the low-level operating system
// primitives. OS details vary depending on the underlying system, and

	var nproc int
	setNproc := true
	switch runtime.GOOS {
	default:
		setNproc = false
	case "aix":
		nproc = 9
	case "linux":
		nproc = 6
	case "darwin", "dragonfly", "freebsd", "netbsd", "openbsd":
		nproc = 7
	}
	if setNproc {
		var rlim syscall.Rlimit
		if syscall.Getrlimit(nproc, &rlim) == nil {
			max := int(rlim.Cur) / (threads + 5)
			if attempts > max {

		{Name: "asimddp", Feature: &ARM64.HasASIMDDP},
		{Name: "asimdfhm", Feature: &ARM64.HasASIMDFHM},
	}
}

func archInit() {
	switch runtime.GOOS {
	case "freebsd":
		readARM64Registers()
	case "linux", "netbsd", "openbsd":
		doinit()
	default:
		// Many platforms don't seem to allow reading these registers.
		setMinimalFeatures()
	}
}

// setMinimalFeatures fakes the minimal ARM64 features expected by

		if *ld.FlagTextAddr == -1 {
			*ld.FlagTextAddr = ld.Rnd(0x1000000, *ld.FlagRound) + int64(ld.HEADR)
		}

	case objabi.Hlinux, /* elf64 executable */
		objabi.Hfreebsd,   /* freebsd */
		objabi.Hnetbsd,    /* netbsd */
		objabi.Hopenbsd,   /* openbsd */
		objabi.Hdragonfly, /* dragonfly */
		objabi.Hsolaris:   /* solaris */
		ld.Elfinit(ctxt)

		ld.HEADR = ld.ELFRESERVE
		if *ld.FlagRound == -1 {

// Copyright 2011 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 || netbsd || openbsd

package syscall

import (
	"runtime"
	"unsafe"
)

var (
	freebsdConfArch       string // "machine $arch" line in kern.conftxt on freebsd
	minRoutingSockaddrLen = rsaAlignOf(0)
)

	switch runtime.GOOS {
	case "plan9":
		t.Skipf("skipping on %s, unimplemented", runtime.GOOS)
	case "aix":
		t.Skipf("skipping on %s, issue 45170", runtime.GOOS)
	case "ios", "dragonfly", "netbsd", "illumos", "solaris":
		t.Skipf("skipping on %s, issue 13841", runtime.GOOS)
	case "openbsd":
		if runtime.GOARCH == "arm" || runtime.GOARCH == "arm64" {

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build unix && !android && !openbsd

// Required for darwin ucontext.
#define _XOPEN_SOURCE
// Required for netbsd stack_t if _XOPEN_SOURCE is set.
#define _XOPEN_SOURCE_EXTENDED	1
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"

#include <assert.h>
#include <pthread.h>
#include <stddef.h>
#include <stdio.h>