--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/compiler/jvmci/jdk.vm.ci.code.test/src/jdk/vm/ci/code/test/DataPatchTest.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,157 @@
+/*
+ * 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.
+ */
+
+/**
+ * @test
+ * @requires vm.jvmci & (vm.simpleArch == "x64" | vm.simpleArch == "sparcv9")
+ * @library /
+ * @modules jdk.internal.vm.ci/jdk.vm.ci.hotspot
+ *          jdk.internal.vm.ci/jdk.vm.ci.meta
+ *          jdk.internal.vm.ci/jdk.vm.ci.code
+ *          jdk.internal.vm.ci/jdk.vm.ci.code.site
+ *          jdk.internal.vm.ci/jdk.vm.ci.runtime
+ *          jdk.internal.vm.ci/jdk.vm.ci.amd64
+ *          jdk.internal.vm.ci/jdk.vm.ci.sparc
+ * @compile CodeInstallationTest.java DebugInfoTest.java TestAssembler.java TestHotSpotVMConfig.java amd64/AMD64TestAssembler.java sparc/SPARCTestAssembler.java
+ * @run junit/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI -Djvmci.Compiler=null jdk.vm.ci.code.test.DataPatchTest
+ */
+
+package jdk.vm.ci.code.test;
+
+import jdk.vm.ci.code.Register;
+import jdk.vm.ci.code.site.DataSectionReference;
+import jdk.vm.ci.hotspot.HotSpotConstant;
+import jdk.vm.ci.meta.ResolvedJavaType;
+import org.junit.Assume;
+import org.junit.Test;
+
+/**
+ * Test code installation with data patches.
+ */
+public class DataPatchTest extends CodeInstallationTest {
+
+    public static Class<?> getConstClass() {
+        return DataPatchTest.class;
+    }
+
+    private void test(TestCompiler compiler) {
+        test(compiler, getMethod("getConstClass"));
+    }
+
+    @Test
+    public void testInlineObject() {
+        test(asm -> {
+            ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass());
+            HotSpotConstant c = (HotSpotConstant) constantReflection.asJavaClass(type);
+            Register ret = asm.emitLoadPointer(c);
+            asm.emitPointerRet(ret);
+        });
+    }
+
+    @Test
+    public void testInlineNarrowObject() {
+        Assume.assumeTrue(config.useCompressedOops);
+        test(asm -> {
+            ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass());
+            HotSpotConstant c = (HotSpotConstant) constantReflection.asJavaClass(type);
+            Register compressed = asm.emitLoadPointer((HotSpotConstant) c.compress());
+            Register ret = asm.emitUncompressPointer(compressed, config.narrowOopBase, config.narrowOopShift);
+            asm.emitPointerRet(ret);
+        });
+    }
+
+    @Test
+    public void testDataSectionReference() {
+        test(asm -> {
+            ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass());
+            HotSpotConstant c = (HotSpotConstant) constantReflection.asJavaClass(type);
+            DataSectionReference ref = asm.emitDataItem(c);
+            Register ret = asm.emitLoadPointer(ref);
+            asm.emitPointerRet(ret);
+        });
+    }
+
+    @Test
+    public void testNarrowDataSectionReference() {
+        Assume.assumeTrue(config.useCompressedOops);
+        test(asm -> {
+            ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass());
+            HotSpotConstant c = (HotSpotConstant) constantReflection.asJavaClass(type);
+            HotSpotConstant cCompressed = (HotSpotConstant) c.compress();
+            DataSectionReference ref = asm.emitDataItem(cCompressed);
+            Register compressed = asm.emitLoadNarrowPointer(ref);
+            Register ret = asm.emitUncompressPointer(compressed, config.narrowOopBase, config.narrowOopShift);
+            asm.emitPointerRet(ret);
+        });
+    }
+
+    @Test
+    public void testInlineMetadata() {
+        test(asm -> {
+            ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass());
+            Register klass = asm.emitLoadPointer((HotSpotConstant) constantReflection.asObjectHub(type));
+            Register ret = asm.emitLoadPointer(klass, config.classMirrorOffset);
+            asm.emitPointerRet(ret);
+        });
+    }
+
+    @Test
+    public void testInlineNarrowMetadata() {
+        Assume.assumeTrue(config.useCompressedClassPointers);
+        test(asm -> {
+            ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass());
+            HotSpotConstant hub = (HotSpotConstant) constantReflection.asObjectHub(type);
+            Register narrowKlass = asm.emitLoadPointer((HotSpotConstant) hub.compress());
+            Register klass = asm.emitUncompressPointer(narrowKlass, config.narrowKlassBase, config.narrowKlassShift);
+            Register ret = asm.emitLoadPointer(klass, config.classMirrorOffset);
+            asm.emitPointerRet(ret);
+        });
+    }
+
+    @Test
+    public void testMetadataInDataSection() {
+        test(asm -> {
+            ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass());
+            HotSpotConstant hub = (HotSpotConstant) constantReflection.asObjectHub(type);
+            DataSectionReference ref = asm.emitDataItem(hub);
+            Register klass = asm.emitLoadPointer(ref);
+            Register ret = asm.emitLoadPointer(klass, config.classMirrorOffset);
+            asm.emitPointerRet(ret);
+        });
+    }
+
+    @Test
+    public void testNarrowMetadataInDataSection() {
+        Assume.assumeTrue(config.useCompressedClassPointers);
+        test(asm -> {
+            ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass());
+            HotSpotConstant hub = (HotSpotConstant) constantReflection.asObjectHub(type);
+            HotSpotConstant narrowHub = (HotSpotConstant) hub.compress();
+            DataSectionReference ref = asm.emitDataItem(narrowHub);
+            Register narrowKlass = asm.emitLoadNarrowPointer(ref);
+            Register klass = asm.emitUncompressPointer(narrowKlass, config.narrowKlassBase, config.narrowKlassShift);
+            Register ret = asm.emitLoadPointer(klass, config.classMirrorOffset);
+            asm.emitPointerRet(ret);
+        });
+    }
+}