--- /dev/null	2017-01-22 10:16:57.869617664 -0800
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/HotSpotDataBuilder.java	2017-02-15 16:59:37.907308456 -0800
@@ -0,0 +1,101 @@
+/*
+ * 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.hotspot;
+
+import static jdk.vm.ci.hotspot.HotSpotCompressedNullConstant.COMPRESSED_NULL;
+
+import java.nio.ByteBuffer;
+
+import org.graalvm.compiler.code.DataSection.Data;
+import org.graalvm.compiler.code.DataSection.Patches;
+import org.graalvm.compiler.code.DataSection.SerializableData;
+import org.graalvm.compiler.code.DataSection.ZeroData;
+import org.graalvm.compiler.debug.GraalError;
+import org.graalvm.compiler.lir.asm.DataBuilder;
+
+import jdk.vm.ci.code.TargetDescription;
+import jdk.vm.ci.hotspot.HotSpotConstant;
+import jdk.vm.ci.meta.Constant;
+import jdk.vm.ci.meta.JavaConstant;
+import jdk.vm.ci.meta.SerializableConstant;
+import jdk.vm.ci.meta.VMConstant;
+
+public class HotSpotDataBuilder extends DataBuilder {
+
+    private final TargetDescription target;
+
+    public HotSpotDataBuilder(TargetDescription target) {
+        this.target = target;
+    }
+
+    @Override
+    public boolean needDetailedPatchingInformation() {
+        /* The HotSpot VM finds operands that need patching by decoding the instruction. */
+        return false;
+    }
+
+    @Override
+    public Data createDataItem(Constant constant) {
+        int size;
+        if (constant instanceof VMConstant) {
+            VMConstant vmConstant = (VMConstant) constant;
+            boolean compressed;
+            if (constant instanceof HotSpotConstant) {
+                HotSpotConstant c = (HotSpotConstant) vmConstant;
+                compressed = c.isCompressed();
+            } else {
+                throw new GraalError(String.valueOf(constant));
+            }
+
+            size = compressed ? 4 : target.wordSize;
+            if (size == 4) {
+                return new Data(size, size) {
+
+                    @Override
+                    protected void emit(ByteBuffer buffer, Patches patches) {
+                        patches.registerPatch(vmConstant);
+                        buffer.putInt(0xDEADDEAD);
+                    }
+                };
+            } else {
+                return new Data(size, size) {
+
+                    @Override
+                    protected void emit(ByteBuffer buffer, Patches patches) {
+                        patches.registerPatch(vmConstant);
+                        buffer.putLong(0xDEADDEADDEADDEADL);
+                    }
+                };
+            }
+        } else if (JavaConstant.isNull(constant)) {
+            boolean compressed = COMPRESSED_NULL.equals(constant);
+            size = compressed ? 4 : target.wordSize;
+            return ZeroData.create(size, size);
+        } else if (constant instanceof SerializableConstant) {
+            SerializableConstant s = (SerializableConstant) constant;
+            return new SerializableData(s);
+        } else {
+            throw new GraalError(String.valueOf(constant));
+        }
+    }
+}