// Copyright 2014 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 macho

import (
	"encoding/binary"
	"fmt"
	"internal/saferio"
	"io"
	"os"
)

// A FatFile is a Mach-O universal binary that contains at least one architecture.
type FatFile struct {
	Magic  uint32
	Arches []FatArch
	closer io.Closer
}

// Copyright 2014 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 || linux || openbsd) && (ppc64 || ppc64le)

package runtime

import (
	"internal/abi"
	"runtime/internal/sys"
	"unsafe"
)

func dumpregs(c *sigctxt) {
	print("r0   ", hex(c.r0()), "\t")
	print("r1   ", hex(c.r1()), "\n")
	print("r2   ", hex(c.r2()), "\t")

	pairs := sysauxv(auxvp[:])
	auxv = auxvp[: pairs*2 : pairs*2]
}

const (
	_AT_NULL         = 0    // Terminates the vector
	_AT_PAGESZ       = 6    // Page size in bytes
	_AT_SUN_EXECNAME = 2014 // exec() path name
)

func sysauxv(auxv []uintptr) (pairs int) {
	var i int
	for i = 0; auxv[i] != _AT_NULL; i += 2 {
		tag, val := auxv[i], auxv[i+1]
		switch tag {
		case _AT_PAGESZ:

// Copyright 2014 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 regexp

import (
	"regexp/syntax"
	"slices"
	"strings"
	"unicode"
	"unicode/utf8"
)

// "One-pass" regexp execution.
// Some regexps can be analyzed to determine that they never need
// backtracking: they are guaranteed to run in one pass over the string

// Copyright 2014 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 ppc64asm

import (
	"bytes"
	"fmt"
	"strings"
)

var (
	// bit 3 of index is a negated check.
	condBit = [8]string{
		"lt", "gt", "eq", "so",
		"ge", "le", "ne", "ns"}
)

// Copyright 2014 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 !amd64 || purego || !gc

package sha3

import "math/bits"

// rc stores the round constants for use in the ι step.
var rc = [24]uint64{
	0x0000000000000001,
	0x0000000000008082,
	0x800000000000808A,
	0x8000000080008000,
	0x000000000000808B,
	0x0000000080000001,

// Copyright 2014 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 profile

import (
	"errors"
	"fmt"
	"sort"
)

func (p *Profile) decoder() []decoder {
	return profileDecoder
}

// preEncode populates the unexported fields to be used by encode
// (with suffix X) from the corresponding exported fields. The

// Copyright 2014 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 net

import (
	"bufio"
	"bytes"
	"fmt"
	"internal/testenv"
	"io"
	"os"
	"os/exec"
	"regexp"
	"slices"
	"strings"
	"syscall"
	"testing"
	"time"
)

func toErrno(err error) (syscall.Errno, bool) {
	operr, ok := err.(*OpError)
	if !ok {

// Copyright 2014 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 runtime

import (
	"internal/abi"
	"internal/bytealg"
	"internal/goarch"
	"unsafe"
)

// The constant is known to the compiler.
// There is no fundamental theory behind this number.
const tmpStringBufSize = 32

type tmpBuf [tmpStringBufSize]byte

// Copyright 2014 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.

// Test that random number sequences generated by a specific seed
// do not change from version to version.
//
// Do NOT make changes to the golden outputs. If bugs need to be fixed
// in the underlying code, find ways to fix them that do not affect the
// outputs.

package rand_test