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Java > Open Source Codes > gov > nasa > jpf > jvm > bytecode > LongArrayLoadInstruction


1 //
2 // Copyright (C) 2005 United States Government as represented by the
3 // Administrator of the National Aeronautics and Space Administration
4 // (NASA). All Rights Reserved.
5 //
6 // This software is distributed under the NASA Open Source Agreement
7 // (NOSA), version 1.3. The NOSA has been approved by the Open Source
8 // Initiative. See the file NOSA-1.3-JPF at the top of the distribution
9 // directory tree for the complete NOSA document.
10 //
11 // THE SUBJECT SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY OF ANY
12 // KIND, EITHER EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT
13 // LIMITED TO, ANY WARRANTY THAT THE SUBJECT SOFTWARE WILL CONFORM TO
14 // SPECIFICATIONS, ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR
15 // A PARTICULAR PURPOSE, OR FREEDOM FROM INFRINGEMENT, ANY WARRANTY THAT
16 // THE SUBJECT SOFTWARE WILL BE ERROR FREE, OR ANY WARRANTY THAT
17 // DOCUMENTATION, IF PROVIDED, WILL CONFORM TO THE SUBJECT SOFTWARE.
18 //
19 package gov.nasa.jpf.jvm.bytecode;
20
21 import gov.nasa.jpf.jvm.ArrayIndexOutOfBoundsExecutiveException;
22 import gov.nasa.jpf.jvm.ElementInfo;
23 import gov.nasa.jpf.jvm.ThreadInfo;
24
25
26 /**
27  * abstraction for long array loads
28  */
29 public abstract class LongArrayLoadInstruction extends ArrayLoadInstruction {
30   protected void push (ThreadInfo th, ElementInfo e, int index)
31                 throws ArrayIndexOutOfBoundsExecutiveException {
32     e.checkLongArrayBounds(index);
33     th.longPush(e.getLongElement(index));
34   }
35   
36   protected int getElementSize () {
37     return 2;
38   }
39
40 }
41
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