01: //
02: // Copyright (C) 2005 United States Government as represented by the
03: // Administrator of the National Aeronautics and Space Administration
04: // (NASA). All Rights Reserved.
05: //
06: // This software is distributed under the NASA Open Source Agreement
07: // (NOSA), version 1.3. The NOSA has been approved by the Open Source
08: // Initiative. See the file NOSA-1.3-JPF at the top of the distribution
09: // 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.KernelState;
22: import gov.nasa.jpf.jvm.SystemState;
23: import gov.nasa.jpf.jvm.ThreadInfo;
24:
25: import org.apache.bcel.Constants;
26: import org.apache.bcel.classfile.ConstantPool;
27: import gov.nasa.jpf.jvm.DynamicArea;
28: import gov.nasa.jpf.jvm.Types;
29:
30: /**
31: * Create new array
32: * ..., count => ..., arrayref
33: */
34: public class NEWARRAY extends Instruction {
35: protected String type;
36:
37: public void setPeer(org.apache.bcel.generic.Instruction i,
38: ConstantPool cp) {
39: type = Constants.SHORT_TYPE_NAMES[((org.apache.bcel.generic.NEWARRAY) i)
40: .getTypecode()];
41: }
42:
43: public Instruction execute(SystemState ss, KernelState ks,
44: ThreadInfo ti) {
45: int size = ti.pop();
46: DynamicArea heap = DynamicArea.getHeap();
47:
48: if (heap.getOutOfMemory()) { // simulate OutOfMemoryError
49: return ti.createAndThrowException(
50: "java.lang.OutOfMemoryError",
51: "trying to allocate new " + Types.getTypeName(type)
52: + "[" + size + "]");
53: }
54:
55: int arrayRef = heap.newArray(type, size, ti);
56: ti.push(arrayRef, true);
57:
58: // th.push(ks.da.newArray(type, size, th), true);
59: return getNext(ti);
60: }
61:
62: public int getByteCode() {
63: return 0xBC;
64: }
65: }
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