/* |
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* Copyright (c) 2019, 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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/** |
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* Base class for memory access var handle implementations. |
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*/ |
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abstract class MemoryAccessVarHandleBase extends VarHandle { |
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/** endianness **/ |
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final boolean be; |
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/** access size (in bytes, computed from var handle carrier type) **/ |
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final long length; |
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/** alignment constraint (in bytes, expressed as a bit mask) **/ |
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final long alignmentMask; |
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/** if true, only the base part of the address will be checked for alignment **/ |
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final boolean skipAlignmentMaskCheck; |
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MemoryAccessVarHandleBase(VarForm form, boolean skipAlignmentMaskCheck, boolean be, long length, long alignmentMask, boolean exact) { |
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super(form, exact); |
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this.skipAlignmentMaskCheck = skipAlignmentMaskCheck; |
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this.be = be; |
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this.length = length; |
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this.alignmentMask = alignmentMask; |
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} |
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static IllegalStateException newIllegalStateExceptionForMisalignedAccess(long address) { |
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return new IllegalStateException("Misaligned access at address: " + address); |
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} |
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} |