--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jaxp/src/java.xml/share/classes/com/sun/org/apache/bcel/internal/generic/NameSignatureInstruction.java	Sun Aug 13 21:10:40 2017 -0700
@@ -0,0 +1,67 @@
+/*
+ * reserved comment block
+ * DO NOT REMOVE OR ALTER!
+ */
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 com.sun.org.apache.bcel.internal.generic;
+
+import com.sun.org.apache.bcel.internal.classfile.ConstantCP;
+import com.sun.org.apache.bcel.internal.classfile.ConstantNameAndType;
+import com.sun.org.apache.bcel.internal.classfile.ConstantPool;
+import com.sun.org.apache.bcel.internal.classfile.ConstantUtf8;
+
+/**
+ * Super class for FieldOrMethod and INVOKEDYNAMIC, since they both have
+ * names and signatures
+ *
+ * @version $Id: FieldOrMethod.java 1481383 2013-05-11 17:34:32Z dbrosius $
+ * @since 6.0
+ */
+public abstract class NameSignatureInstruction extends CPInstruction {
+
+    public NameSignatureInstruction() {
+        super();
+    }
+
+    public NameSignatureInstruction(final short opcode, final int index) {
+        super(opcode, index);
+    }
+
+    public ConstantNameAndType getNameAndType(final ConstantPoolGen cpg) {
+        final ConstantPool cp = cpg.getConstantPool();
+        final ConstantCP cmr = (ConstantCP) cp.getConstant(super.getIndex());
+        return  (ConstantNameAndType) cp.getConstant(cmr.getNameAndTypeIndex());
+    }
+    /** @return signature of referenced method/field.
+     */
+    public String getSignature(final ConstantPoolGen cpg) {
+        final ConstantPool cp = cpg.getConstantPool();
+        final ConstantNameAndType cnat = getNameAndType(cpg);
+        return ((ConstantUtf8) cp.getConstant(cnat.getSignatureIndex())).getBytes();
+    }
+
+    /** @return name of referenced method/field.
+     */
+    public String getName(final ConstantPoolGen cpg) {
+        final ConstantPool cp = cpg.getConstantPool();
+        final ConstantNameAndType cnat = getNameAndType(cpg);
+        return ((ConstantUtf8) cp.getConstant(cnat.getNameIndex())).getBytes();
+    }
+
+}