// 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 hkdf implements the HMAC-based Extract-and-Expand Key Derivation
// Function (HKDF) as defined in RFC 5869.
//
// HKDF is a cryptographic key derivation function (KDF) with the goal of
// expanding limited input keying material into one or more cryptographically
// strong secret keys.

// 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 "unsafe"

// Constants
const (
	_EINTR  = 0x4
	_ENOMEM = 0xc
	_EAGAIN = 0xb

	_PROT_NONE  = 0
	_PROT_READ  = 0x1
	_PROT_WRITE = 0x2
	_PROT_EXEC  = 0x4

	_MAP_ANON    = 0x20
	_MAP_PRIVATE = 0x2
	_MAP_FIXED   = 0x10

// 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 httputil provides HTTP utility functions, complementing the
// more common ones in the net/http package.
package httputil

import (
	"io"
	"net/http/internal"
)

// NewChunkedReader returns a new chunkedReader that translates the data read from r

// 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 typeutil

// This file defines utilities for user interfaces that display types.

import (
	"go/types"

	"golang.org/x/tools/internal/aliases"
)

// IntuitiveMethodSet returns the intuitive method set of a type T,

// 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 ignore

package main

import (
	"bytes"
	"fmt"
	"log"
	"os"
	"strings"
)

var gooses []string

func main() {
	data, err := os.ReadFile("../../go/build/syslist.go")
	if err != nil {
		log.Fatal(err)
	}

// 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 pprof

// A protobuf is a simple protocol buffer encoder.
type protobuf struct {
	data []byte
	tmp  [16]byte
	nest int
}

func (b *protobuf) varint(x uint64) {
	for x >= 128 {
		b.data = append(b.data, byte(x)|0x80)
		x >>= 7
	}
	b.data = append(b.data, byte(x))

// 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.

#include <limits.h>
#include <pthread.h>
#include <signal.h>
#include <string.h> /* for strerror */
#include <sys/param.h>
#include <unistd.h>
#include <stdlib.h>

#include "libcgo.h"
#include "libcgo_unix.h"

#include <TargetConditionals.h>

#if TARGET_OS_IPHONE

// 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 || arm64 || loong64 || mips64 || mips64le || ppc64 || ppc64le || riscv64 || s390x || wasm

package runtime

import (
	"internal/goarch"
	"internal/goos"
	"unsafe"
)

const (
	// addrBits is the number of bits needed to represent a virtual address.
	//

// 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.

// 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 (
	"fmt"
	"strings"
)

// A BitField is a bit-field in a 32-bit word.
// Bits are counted from 0 from the MSB to 31 as the LSB.
type BitField struct {
	Offs uint8 // the offset of the left-most bit.
	Bits uint8 // length in bits.