2 * Copyright (C) 2014, United States Government, as represented by the
3 * Administrator of the National Aeronautics and Space Administration.
6 * The Java Pathfinder core (jpf-core) platform is licensed under the
7 * Apache License, Version 2.0 (the "License"); you may not use this file except
8 * in compliance with the License. You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0.
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
18 package gov.nasa.jpf.jvm.bytecode;
20 import gov.nasa.jpf.vm.Instruction;
21 import gov.nasa.jpf.vm.StackFrame;
22 import gov.nasa.jpf.vm.ThreadInfo;
26 * Load reference from local variable
27 * ... => ..., objectref
29 public class ALOAD extends JVMLocalVariableInstruction {
31 public ALOAD(int index){
36 * for explicit construction
38 public void setIndex (int index){
43 public Instruction execute (ThreadInfo ti) {
44 StackFrame frame = ti.getModifiableTopFrame();
46 frame.pushLocal(index);
52 public int getLength() {
54 return 2; // opcode, index
56 return 1; // immediate; opcode
61 public int getByteCode () {
69 return 0x19; // ? wide versions
73 public String getBaseMnemonic() {
78 public void accept(JVMInstructionVisitor insVisitor) {
79 insVisitor.visit(this);