1 /* 2 * Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef SHARE_UTILITIES_BYTES_HPP 26 #define SHARE_UTILITIES_BYTES_HPP 27 28 #include "utilities/macros.hpp" 29 30 class Endian : AllStatic { 31 public: 32 enum Order { 33 LITTLE, 34 BIG, 35 JAVA = BIG, 36 NATIVE = 37 #ifdef VM_LITTLE_ENDIAN 38 LITTLE 39 #else 40 BIG 41 #endif 42 }; 43 44 // Returns true, if the byte ordering used by Java is different from 45 // the native byte ordering of the underlying machine. is_Java_byte_ordering_different()46 static inline bool is_Java_byte_ordering_different() { 47 return NATIVE != JAVA; 48 } 49 }; 50 51 #include CPU_HEADER(bytes) 52 53 #endif // SHARE_UTILITIES_BYTES_HPP 54