--- a/src/jdk.internal.vm.ci/share/classes/jdk.vm.ci.services/src/jdk/vm/ci/services/Services.java	Wed Nov 07 09:13:37 2018 +0100
+++ b/src/jdk.internal.vm.ci/share/classes/jdk.vm.ci.services/src/jdk/vm/ci/services/Services.java	Wed Nov 07 09:39:39 2018 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2018, 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
@@ -22,8 +22,10 @@
  */
 package jdk.vm.ci.services;
 
-import java.lang.reflect.Method;
 import java.util.Map;
+import java.util.Set;
+
+import jdk.internal.misc.VM;
 
 /**
  * Provides utilities needed by JVMCI clients.
@@ -61,18 +63,7 @@
     private Services() {
     }
 
-    @SuppressWarnings("unchecked")
-    private static Map<String, String> initSavedProperties() throws InternalError {
-        try {
-            Class<?> vmClass = Class.forName("jdk.internal.misc.VM");
-            Method m = vmClass.getMethod("getSavedProperties");
-            return (Map<String, String>) m.invoke(null);
-        } catch (Exception e) {
-            throw new InternalError(e);
-        }
-    }
-
-    static final Map<String, String> SAVED_PROPERTIES = initSavedProperties();
+    static final Map<String, String> SAVED_PROPERTIES = VM.getSavedProperties();
     static final boolean JVMCI_ENABLED = Boolean.parseBoolean(SAVED_PROPERTIES.get("jdk.internal.vm.ci.enabled"));
 
     /**
@@ -107,4 +98,20 @@
             throw new InternalError(e);
         }
     }
+
+    /**
+     * Opens all JVMCI packages to {@code otherModule}.
+     */
+    static void openJVMCITo(Module otherModule) {
+        Module jvmci = Services.class.getModule();
+        if (jvmci != otherModule) {
+            Set<String> packages = jvmci.getPackages();
+            for (String pkg : packages) {
+                boolean opened = jvmci.isOpen(pkg, otherModule);
+                if (!opened) {
+                    jvmci.addOpens(pkg, otherModule);
+                }
+            }
+        }
+    }
 }