--- /dev/null	2017-01-22 10:16:57.869617664 -0800
+++ new/src/jdk.internal.vm.ci/share/classes/jdk.vm.ci.hotspot.aarch64/src/jdk/vm/ci/hotspot/aarch64/AArch64HotSpotJVMCIBackendFactory.java	2017-02-15 16:55:39.500883426 -0800
@@ -0,0 +1,129 @@
+/*
+ * 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 jdk.vm.ci.hotspot.aarch64;
+
+import static jdk.vm.ci.common.InitTimer.timer;
+
+import java.util.EnumSet;
+
+import jdk.vm.ci.aarch64.AArch64;
+import jdk.vm.ci.code.Architecture;
+import jdk.vm.ci.code.RegisterConfig;
+import jdk.vm.ci.code.TargetDescription;
+import jdk.vm.ci.code.stack.StackIntrospection;
+import jdk.vm.ci.common.InitTimer;
+import jdk.vm.ci.hotspot.HotSpotCodeCacheProvider;
+import jdk.vm.ci.hotspot.HotSpotConstantReflectionProvider;
+import jdk.vm.ci.hotspot.HotSpotJVMCIBackendFactory;
+import jdk.vm.ci.hotspot.HotSpotJVMCIRuntimeProvider;
+import jdk.vm.ci.hotspot.HotSpotMetaAccessProvider;
+import jdk.vm.ci.hotspot.HotSpotStackIntrospection;
+import jdk.vm.ci.meta.ConstantReflectionProvider;
+import jdk.vm.ci.runtime.JVMCIBackend;
+
+public class AArch64HotSpotJVMCIBackendFactory implements HotSpotJVMCIBackendFactory {
+
+    protected EnumSet<AArch64.CPUFeature> computeFeatures(@SuppressWarnings("unused") AArch64HotSpotVMConfig config) {
+        // Configure the feature set using the HotSpot flag settings.
+        EnumSet<AArch64.CPUFeature> features = EnumSet.noneOf(AArch64.CPUFeature.class);
+        return features;
+    }
+
+    protected EnumSet<AArch64.Flag> computeFlags(@SuppressWarnings("unused") AArch64HotSpotVMConfig config) {
+        EnumSet<AArch64.Flag> flags = EnumSet.noneOf(AArch64.Flag.class);
+        return flags;
+    }
+
+    protected TargetDescription createTarget(AArch64HotSpotVMConfig config) {
+        final int stackFrameAlignment = 16;
+        final int implicitNullCheckLimit = 4096;
+        final boolean inlineObjects = true;
+        Architecture arch = new AArch64(computeFeatures(config), computeFlags(config));
+        return new TargetDescription(arch, true, stackFrameAlignment, implicitNullCheckLimit, inlineObjects);
+    }
+
+    protected HotSpotConstantReflectionProvider createConstantReflection(HotSpotJVMCIRuntimeProvider runtime) {
+        return new HotSpotConstantReflectionProvider(runtime);
+    }
+
+    protected RegisterConfig createRegisterConfig(AArch64HotSpotVMConfig config, TargetDescription target) {
+        return new AArch64HotSpotRegisterConfig(target, config.useCompressedOops);
+    }
+
+    protected HotSpotCodeCacheProvider createCodeCache(HotSpotJVMCIRuntimeProvider runtime, TargetDescription target, RegisterConfig regConfig) {
+        return new HotSpotCodeCacheProvider(runtime, runtime.getConfig(), target, regConfig);
+    }
+
+    protected HotSpotMetaAccessProvider createMetaAccess(HotSpotJVMCIRuntimeProvider runtime) {
+        return new HotSpotMetaAccessProvider(runtime);
+    }
+
+    @Override
+    public String getArchitecture() {
+        return "aarch64";
+    }
+
+    @Override
+    public String toString() {
+        return "JVMCIBackend:" + getArchitecture();
+    }
+
+    @SuppressWarnings("try")
+    public JVMCIBackend createJVMCIBackend(HotSpotJVMCIRuntimeProvider runtime, JVMCIBackend host) {
+
+        assert host == null;
+        AArch64HotSpotVMConfig config = new AArch64HotSpotVMConfig(runtime.getConfigStore());
+        TargetDescription target = createTarget(config);
+
+        RegisterConfig regConfig;
+        HotSpotCodeCacheProvider codeCache;
+        ConstantReflectionProvider constantReflection;
+        HotSpotMetaAccessProvider metaAccess;
+        StackIntrospection stackIntrospection;
+        try (InitTimer t = timer("create providers")) {
+            try (InitTimer rt = timer("create MetaAccess provider")) {
+                metaAccess = createMetaAccess(runtime);
+            }
+            try (InitTimer rt = timer("create RegisterConfig")) {
+                regConfig = createRegisterConfig(config, target);
+            }
+            try (InitTimer rt = timer("create CodeCache provider")) {
+                codeCache = createCodeCache(runtime, target, regConfig);
+            }
+            try (InitTimer rt = timer("create ConstantReflection provider")) {
+                constantReflection = createConstantReflection(runtime);
+            }
+            try (InitTimer rt = timer("create StackIntrospection provider")) {
+                stackIntrospection = new HotSpotStackIntrospection(runtime);
+            }
+        }
+        try (InitTimer rt = timer("instantiate backend")) {
+            return createBackend(metaAccess, codeCache, constantReflection, stackIntrospection);
+        }
+    }
+
+    protected JVMCIBackend createBackend(HotSpotMetaAccessProvider metaAccess, HotSpotCodeCacheProvider codeCache, ConstantReflectionProvider constantReflection,
+                    StackIntrospection stackIntrospection) {
+        return new JVMCIBackend(metaAccess, codeCache, constantReflection, stackIntrospection);
+    }
+}