Mercurial > hg > Members > kono > jpf-core

annotate src/main/gov/nasa/jpf/jvm/bytecode/DALOAD.java @ 0:61d41facf527

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initial v8 import (history reset)
author Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
date Fri, 23 Jan 2015 10:14:01 -0800
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
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1 /*
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2 * Copyright (C) 2014, United States Government, as represented by the
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
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3 * Administrator of the National Aeronautics and Space Administration.
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4 * All rights reserved.
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5 *
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6 * The Java Pathfinder core (jpf-core) platform is licensed under the
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7 * Apache License, Version 2.0 (the "License"); you may not use this file except
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8 * in compliance with the License. You may obtain a copy of the License at
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9 *
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10 * http://www.apache.org/licenses/LICENSE-2.0.
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11 *
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
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12 * Unless required by applicable law or agreed to in writing, software
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
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13 * distributed under the License is distributed on an "AS IS" BASIS,
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
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14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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15 * See the License for the specific language governing permissions and
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16 * limitations under the License.
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17 */
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18 package gov.nasa.jpf.jvm.bytecode;
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19
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20 import gov.nasa.jpf.vm.ArrayIndexOutOfBoundsExecutiveException;
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21 import gov.nasa.jpf.vm.ElementInfo;
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22 import gov.nasa.jpf.vm.StackFrame;
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23
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24 /**
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25 * Load double from array
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26 * ..., arrayref, index => ..., value
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27 */
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28 public class DALOAD extends LongArrayLoadInstruction {
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29
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30 @Override
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31 protected void push (StackFrame frame, ElementInfo ei, int index) throws ArrayIndexOutOfBoundsExecutiveException {
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32 ei.checkArrayBounds(index);
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33 double value = ei.getDoubleElement(index);
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34 frame.pushLong( Double.doubleToLongBits(value));
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35 }
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36
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37 @Override
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38 public int getByteCode () {
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39 return 0x31;
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40 }
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41
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42 @Override
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43 public void accept(JVMInstructionVisitor insVisitor) {
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44 insVisitor.visit(this);
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45 }
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46 }