// Copyright 2019 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 cpu import ( "encoding/binary" "runtime" ) // hostByteOrder returns binary.LittleEndian on little-endian machines and // binary.BigEndian on big-endian machines. func hostByteOrder() binary.ByteOrder { switch runtime.GOARCH { case "386", "amd64", "amd64p32", "arm", "arm64", "mipsle", "mips64le", "mips64p32le", "ppc64le", "riscv", "riscv64": return binary.LittleEndian case "armbe", "arm64be", "mips", "mips64", "mips64p32", "ppc", "ppc64", "s390", "s390x", "sparc", "sparc64": return binary.BigEndian } panic("unknown architecture") }