--- /dev/null	2017-01-22 10:16:57.869617664 -0800
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir/src/org/graalvm/compiler/lir/asm/DataBuilder.java	2017-02-15 17:05:42.653211596 -0800
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package org.graalvm.compiler.lir.asm;
+
+import org.graalvm.compiler.code.DataSection.Data;
+
+import jdk.vm.ci.meta.Constant;
+
+public abstract class DataBuilder {
+
+    /**
+     * When the method returns true, then Graal must produce detailed information that allows code
+     * patching without decoding instructions, i.e., Graal must produce annotations for the machine
+     * code that describe the exact locations of operands within instructions.
+     */
+    public abstract boolean needDetailedPatchingInformation();
+
+    public abstract Data createDataItem(Constant c);
+}