| /* |
| * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package java.lang.invoke; |
| |
| import java.nio.Buffer; |
| import java.nio.ByteBuffer; |
| |
| import static java.lang.invoke.MethodHandleStatics.UNSAFE; |
| |
| /** |
| * The base class for generated byte array and byte buffer view |
| * implementations |
| */ |
| abstract class VarHandleByteArrayBase { |
| // Buffer.address |
| static final long BUFFER_ADDRESS |
| = UNSAFE.objectFieldOffset(Buffer.class, "address"); |
| |
| // Buffer.limit |
| static final long BUFFER_LIMIT |
| = UNSAFE.objectFieldOffset(Buffer.class, "limit"); |
| |
| // ByteBuffer.hb |
| static final long BYTE_BUFFER_HB |
| = UNSAFE.objectFieldOffset(ByteBuffer.class, "hb"); |
| |
| // ByteBuffer.isReadOnly |
| static final long BYTE_BUFFER_IS_READ_ONLY |
| = UNSAFE.objectFieldOffset(ByteBuffer.class, "isReadOnly"); |
| |
| static final boolean BE = UNSAFE.isBigEndian(); |
| |
| static IllegalStateException newIllegalStateExceptionForMisalignedAccess(int index) { |
| return new IllegalStateException("Misaligned access at index: " + index); |
| } |
| } |