--- /dev/null	2015-10-08 07:25:30.000000000 -1000
+++ new/src/jdk.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotVMEventListener.java	2015-10-08 07:25:29.000000000 -1000
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2015, 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;
+
+import jdk.vm.ci.code.*;
+import jdk.vm.ci.meta.*;
+
+public interface HotSpotVMEventListener {
+
+    /**
+     * Notifies this client that the VM is shutting down.
+     */
+    default void notifyShutdown() {
+    }
+
+    /**
+     * Notify on successful install into the CodeCache.
+     *
+     * @param hotSpotCodeCacheProvider
+     * @param installedCode
+     * @param compResult
+     */
+    default void notifyInstall(HotSpotCodeCacheProvider hotSpotCodeCacheProvider, InstalledCode installedCode, CompilationResult compResult) {
+    }
+
+    /**
+     * Perform any extra initialization required.
+     *
+     * @param runtime
+     */
+    default void completeInitialization(HotSpotJVMCIRuntime runtime) {
+    }
+
+    /**
+     * Create a custom {@link JVMCIMetaAccessContext} to be used for managing the lifetime of loaded
+     * metadata. It a custom one isn't created then the default implementation will be a single
+     * context with globally shared instances of {@link ResolvedJavaType} that are never released.
+     *
+     * @param hotSpotJVMCIRuntime
+     * @return a custom context or null
+     */
+    default JVMCIMetaAccessContext createMetaAccessContext(HotSpotJVMCIRuntime hotSpotJVMCIRuntime) {
+        return null;
+    }
+}