--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/gov/nasa/jpf/vm/ByteArrayFields.java	Fri Jan 23 10:14:01 2015 -0800
@@ -0,0 +1,122 @@
+/*
+ * 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.util.HashData;
+import gov.nasa.jpf.util.IntVector;
+
+import java.io.PrintStream;
+
+/**
+ * element values for byte[] objects
+ */
+public class ByteArrayFields extends ArrayFields {
+
+  byte[] values;
+
+  public ByteArrayFields (int length) {
+    values = new byte[length];
+  }
+
+  @Override
+  public byte[] asByteArray() {
+    return values;
+  }
+
+  @Override
+  public void copyElements (ArrayFields src, int srcPos, int dstPos, int len){
+    ByteArrayFields a = (ByteArrayFields) src;
+    System.arraycopy(a.values, srcPos, values, dstPos, len);
+  }
+  
+  @Override
+  protected void printValue(PrintStream ps, int idx){
+    ps.print(values[idx]);
+  }
+  
+  @Override
+  public Object getValues(){
+    return values;
+  }
+
+  @Override
+  public int arrayLength() {
+    return values.length;
+  }
+
+  @Override
+  public int getHeapSize() {
+    return values.length;
+  }
+
+  @Override
+  public boolean equals (Object o) {
+    if (o instanceof ByteArrayFields) {
+      ByteArrayFields other = (ByteArrayFields)o;
+
+      byte[] v = values;
+      byte[] vOther = other.values;
+      if (v.length != vOther.length) {
+        return false;
+      }
+
+      for (int i=0; i<v.length; i++) {
+        if (v[i] != vOther[i]) {
+          return false;
+        }
+      }
+
+      return compareAttrs(other);
+
+    } else {
+      return false;
+    }
+  }
+
+  @Override
+  public ByteArrayFields clone(){
+    ByteArrayFields f = (ByteArrayFields)cloneFields();
+    f.values = values.clone();
+    return f;
+  }
+
+  @Override
+  public void setByteValue (int pos, byte b) {
+    values[pos] = b;
+  }
+
+  @Override
+  public byte getByteValue (int pos) {
+    return values[pos];
+  }
+
+  @Override
+  public void appendTo (IntVector v) {
+    v.appendPacked(values);
+  }
+
+  @Override
+  public void hash(HashData hd) {
+    byte[] v = values;
+    for (int i=0; i < v.length; i++) {
+      hd.add(v[i]);
+    }
+  }
+
+}