MONITOREXIT.java Source File

00001 package gov.nasa.arc.ase.jpf.jvm.bytecode;
00002 
00003 import gov.nasa.arc.ase.jpf.*;
00004 import gov.nasa.arc.ase.jpf.jvm.*;
00005 import de.fub.bytecode.generic.InstructionHandle;
00006 import gov.nasa.arc.ase.util.Debug;
00007 
00008 public class MONITOREXIT extends AbstractInstruction {
00009   private de.fub.bytecode.generic.MONITOREXIT peer;
00010 
00011   public InstructionHandle execute(SystemState ss, KernelState ks, ThreadInfo th) {
00012     // gets the object reference
00013     int objref = th.peek();
00014 
00015     // unlock the monitor
00016     ks.dynamic_area.monitorUnlock(objref, th);
00017 
00018     // pops the object reference
00019     th.pop();
00020 
00021     return th.getPC().getNext();
00022   }  
00023   public void setPeer(de.fub.bytecode.generic.Instruction i) {
00024     peer = (de.fub.bytecode.generic.MONITOREXIT)i;
00025   }  
00026 }