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DRETURN.java

00001 package gov.nasa.arc.ase.jpf.jvm.bytecode;
00002 
00003 import de.fub.bytecode.classfile.ConstantPool;
00004 import gov.nasa.arc.ase.jpf.jvm.SystemState;
00005 import gov.nasa.arc.ase.jpf.jvm.KernelState;
00006 import gov.nasa.arc.ase.jpf.jvm.ThreadInfo;
00007 import gov.nasa.arc.ase.jpf.jvm.MethodInfo;
00008 import gov.nasa.arc.ase.util.Debug;
00009 
00010 public class DRETURN extends ReturnInstruction {
00011   public Instruction execute(SystemState ss, KernelState ks, ThreadInfo th) {
00012     MethodInfo mi = th.getMethod();
00013 
00014     mi.leave(th);
00015 
00016     long value = th.longPop();
00017 
00018     // removes a stack frame
00019     th.popFrame();
00020     th.removeArguments(mi);
00021 
00022     th.longPush(value);
00023 
00024     return th.getPC().getNext();
00025   }  
00026   public void setPeer(de.fub.bytecode.generic.Instruction i, ConstantPool cp) {
00027   }  
00028 }

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