--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/gov/nasa/jpf/vm/BooleanFieldInfo.java	Fri Jan 23 10:14:01 2015 -0800
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2014, United States Government, as represented by the
+ * Administrator of the National Aeronautics and Space Administration.
+ * All rights reserved.
+ *
+ * The Java Pathfinder core (jpf-core) platform is licensed under the
+ * Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ *        http://www.apache.org/licenses/LICENSE-2.0. 
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and 
+ * limitations under the License.
+ */
+
+package gov.nasa.jpf.vm;
+
+import gov.nasa.jpf.JPFException;
+
+/**
+ * fieldinfo for slots holding booleans
+ */
+public class BooleanFieldInfo extends SingleSlotFieldInfo {
+
+  boolean init=false;
+
+  public BooleanFieldInfo (String name, int modifiers) {
+     super(name, "Z", modifiers);
+  }
+
+  @Override
+  public void setConstantValue(Object constValue){
+    if (constValue instanceof Integer){
+      cv = constValue;
+      init = ((Integer)constValue).intValue() == 1;
+      
+    } else {
+      throw new JPFException("illegal boolean ConstValue=" + constValue);
+    }
+  }
+
+  @Override
+  public void initialize (ElementInfo ei, ThreadInfo ti) {
+    ei.getFields().setBooleanValue(storageOffset, init);
+  }
+
+  @Override
+  public boolean isBooleanField() {
+    return true;
+  }
+
+  @Override
+  public Object getValueObject (Fields f){
+    int i = f.getIntValue(storageOffset);
+    return new Boolean(i != 0);
+  }
+
+  @Override
+  public String valueToString (Fields f) {
+    boolean b = f.getBooleanValue(storageOffset);
+    return Boolean.toString(b);
+  }
+
+}