--- /dev/null	2017-01-22 10:16:57.869617664 -0800
+++ new/src/jdk.internal.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotVMEventListener.java	2017-02-15 16:56:01.044830948 -0800
@@ -0,0 +1,54 @@
+/*
+ * 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;
+
+import jdk.vm.ci.code.CompiledCode;
+import jdk.vm.ci.code.InstalledCode;
+
+/**
+ * Listener for responding to VM events.
+ */
+public interface HotSpotVMEventListener {
+
+    /**
+     * Notifies this client that the VM is shutting down.
+     */
+    default void notifyShutdown() {
+    }
+
+    /**
+     * Notify on successful install into the code cache.
+     *
+     * @param hotSpotCodeCacheProvider the code cache into which the code was installed
+     * @param installedCode the code that was installed
+     * @param compiledCode the compiled code from which {@code installedCode} was produced
+     */
+    default void notifyInstall(HotSpotCodeCacheProvider hotSpotCodeCacheProvider, InstalledCode installedCode, CompiledCode compiledCode) {
+    }
+
+    /**
+     * Notify on completion of a bootstrap.
+     */
+    default void notifyBootstrapFinished() {
+    }
+}