--- /dev/null	2016-05-31 09:42:47.975716356 -0700
+++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.debug/src/org/graalvm/compiler/debug/DebugEnvironment.java	2016-12-09 00:48:10.166824241 -0800
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2013, 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 org.graalvm.compiler.debug;
+
+import static org.graalvm.compiler.debug.GraalDebugConfig.Options.Dump;
+import static org.graalvm.compiler.debug.GraalDebugConfig.Options.Log;
+import static org.graalvm.compiler.debug.GraalDebugConfig.Options.Count;
+import static org.graalvm.compiler.debug.GraalDebugConfig.Options.MethodFilter;
+import static org.graalvm.compiler.debug.GraalDebugConfig.Options.Time;
+import static org.graalvm.compiler.debug.GraalDebugConfig.Options.TrackMemUse;
+import static org.graalvm.compiler.debug.GraalDebugConfig.Options.Verify;
+import static org.graalvm.compiler.debug.GraalDebugConfig.Options.MethodMeter;
+
+import java.io.PrintStream;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.graalvm.compiler.serviceprovider.GraalServices;
+
+import jdk.vm.ci.runtime.JVMCI;
+
+public class DebugEnvironment {
+
+    public static GraalDebugConfig initialize(PrintStream log, Object... extraArgs) {
+        // Initialize JVMCI before loading class Debug
+        JVMCI.initialize();
+        if (!Debug.isEnabled()) {
+            log.println("WARNING: Scope debugging needs to be enabled with -esa");
+            return null;
+        }
+        List<DebugDumpHandler> dumpHandlers = new ArrayList<>();
+        List<DebugVerifyHandler> verifyHandlers = new ArrayList<>();
+        GraalDebugConfig debugConfig = new GraalDebugConfig(Log.getValue(), Count.getValue(), TrackMemUse.getValue(), Time.getValue(), Dump.getValue(), Verify.getValue(), MethodFilter.getValue(),
+                        MethodMeter.getValue(),
+                        log, dumpHandlers, verifyHandlers);
+
+        for (DebugConfigCustomizer customizer : GraalServices.load(DebugConfigCustomizer.class)) {
+            customizer.customize(debugConfig, extraArgs);
+        }
+
+        Debug.setConfig(debugConfig);
+        return debugConfig;
+    }
+}