author | redestad |
Thu, 19 Sep 2019 23:38:50 +0200 | |
changeset 58238 | 3386b9a8ef4d |
parent 47216 | 71c04702a3d5 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package java.lang.invoke; |
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import java.nio.Buffer; |
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import java.nio.ByteBuffer; |
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import static java.lang.invoke.MethodHandleStatics.UNSAFE; |
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/** |
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* The base class for generated byte array and byte buffer view |
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* implementations |
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*/ |
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abstract class VarHandleByteArrayBase { |
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// Buffer.address |
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static final long BUFFER_ADDRESS |
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= UNSAFE.objectFieldOffset(Buffer.class, "address"); |
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// Buffer.limit |
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static final long BUFFER_LIMIT |
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= UNSAFE.objectFieldOffset(Buffer.class, "limit"); |
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// ByteBuffer.hb |
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static final long BYTE_BUFFER_HB |
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= UNSAFE.objectFieldOffset(ByteBuffer.class, "hb"); |
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// ByteBuffer.isReadOnly |
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static final long BYTE_BUFFER_IS_READ_ONLY |
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= UNSAFE.objectFieldOffset(ByteBuffer.class, "isReadOnly"); |
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static final boolean BE = UNSAFE.isBigEndian(); |
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static IllegalStateException newIllegalStateExceptionForMisalignedAccess(int index) { |
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return new IllegalStateException("Misaligned access at index: " + index); |
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} |
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} |