lldb/Utility/Endian.h

0001 //===-- Endian.h ------------------------------------------------*- C++ -*-===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008
0009 #ifndef LLDB_UTILITY_ENDIAN_H
0010 #define LLDB_UTILITY_ENDIAN_H
0011
0012 #include "lldb/lldb-enumerations.h"
0013
0014 #include <cstdint>
0015
0016 namespace lldb_private {
0017
0018 namespace endian {
0019
0020 static union EndianTest {
0021   uint32_t num;
0022   uint8_t bytes[sizeof(uint32_t)];
0023 } const endianTest = {0x01020304};
0024
0025 inline lldb::ByteOrder InlHostByteOrder() {
0026   return static_cast<lldb::ByteOrder>(endianTest.bytes[0]);
0027 }
0028
0029 //    ByteOrder const InlHostByteOrder = (ByteOrder)endianTest.bytes[0];
0030 }
0031 }
0032
0033 #endif // LLDB_UTILITY_ENDIAN_H