--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jvmci/jdk.vm.ci.services/src/jdk/vm/ci/services/JVMCIServiceLocator.java	Tue Oct 11 22:13:23 2016 +0200
@@ -0,0 +1,83 @@
+/*
+ * 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.services;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Service-provider class for the runtime to locate providers of JVMCI services where the latter are
+ * not in packages exported by the JVMCI module. As part of instantiating
+ * {@link JVMCIServiceLocator}, all JVMCI packages will be {@linkplain Services#exportJVMCITo(Class)
+ * exported} to the module defining the class of the instantiated object.
+ *
+ * While the {@link #getProvider(Class)} method can be used directly, it's usually easier to use
+ * {@link #getProviders(Class)}.
+ */
+public abstract class JVMCIServiceLocator {
+
+    private static Void checkPermission() {
+        SecurityManager sm = System.getSecurityManager();
+        if (sm != null) {
+            sm.checkPermission(new JVMCIPermission());
+        }
+        return null;
+    }
+
+    @SuppressWarnings("unused")
+    private JVMCIServiceLocator(Void ignore) {
+    }
+
+    /**
+     * Creates a capability for accessing JVMCI. Once successfully instantiated, JVMCI exports all
+     * its packages to the module defining the type of this object.
+     *
+     * @throws SecurityException if a security manager has been installed and it denies
+     *             {@link JVMCIPermission}
+     */
+    protected JVMCIServiceLocator() {
+        this(checkPermission());
+        Services.exportJVMCITo(getClass());
+    }
+
+    /**
+     * Gets the provider of the service defined by {@code service} or {@code null} if this object
+     * does not have a provider for {@code service}.
+     */
+    public abstract <S> S getProvider(Class<S> service);
+
+    /**
+     * Gets the providers of the service defined by {@code service} by querying the
+     * {@link JVMCIServiceLocator} providers obtained by {@link Services#load(Class)}.
+     */
+    public static <S> List<S> getProviders(Class<S> service) {
+        List<S> providers = new ArrayList<>();
+        for (JVMCIServiceLocator access : Services.load(JVMCIServiceLocator.class)) {
+            S provider = access.getProvider(service);
+            if (provider != null) {
+                providers.add(provider);
+            }
+        }
+        return providers;
+    }
+}