--- /dev/null 2016-05-31 09:42:47.975716356 -0700 +++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/HotSpotGraalJVMCIServiceLocator.java 2016-12-09 00:49:18.501836370 -0800 @@ -0,0 +1,77 @@ +/* + * 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 org.graalvm.compiler.hotspot; + +import static org.graalvm.compiler.core.common.util.ModuleAPI.addExports; +import static org.graalvm.compiler.core.common.util.ModuleAPI.getModule; +import static org.graalvm.compiler.core.common.util.Util.JAVA_SPECIFICATION_VERSION; + +import org.graalvm.compiler.serviceprovider.ServiceProvider; + +import jdk.vm.ci.hotspot.HotSpotVMEventListener; +import jdk.vm.ci.runtime.JVMCICompilerFactory; +import jdk.vm.ci.services.JVMCIServiceLocator; + +@ServiceProvider(JVMCIServiceLocator.class) +public final class HotSpotGraalJVMCIServiceLocator extends JVMCIServiceLocator { + + private boolean exportsAdded; + + /** + * Dynamically exports various internal JDK packages to the Graal module. This requires only + * {@code --add-exports=java.base/jdk.internal.module=org.graalvm.compiler.graal_core} on the VM + * command line instead of a {@code --add-exports} instance for each JDK internal package used + * by Graal. + */ + private void addExports() { + if (JAVA_SPECIFICATION_VERSION >= 9 && !exportsAdded) { + Object javaBaseModule = getModule.invoke(String.class); + Object graalModule = getModule.invoke(getClass()); + addExports.invokeStatic(javaBaseModule, "jdk.internal.misc", graalModule); + addExports.invokeStatic(javaBaseModule, "jdk.internal.jimage", graalModule); + addExports.invokeStatic(javaBaseModule, "com.sun.crypto.provider", graalModule); + exportsAdded = true; + } + } + + private HotSpotGraalRuntime graalRuntime; + + @Override + public T getProvider(Class service) { + if (service == JVMCICompilerFactory.class) { + addExports(); + return service.cast(new HotSpotGraalCompilerFactory(this)); + } else if (service == HotSpotVMEventListener.class) { + if (graalRuntime != null) { + addExports(); + return service.cast(new HotSpotGraalVMEventListener(graalRuntime)); + } + } + return null; + } + + public void onCompilerCreation(HotSpotGraalCompiler compiler) { + assert this.graalRuntime == null : "only expect a single JVMCICompiler to be created"; + this.graalRuntime = (HotSpotGraalRuntime) compiler.getGraalRuntime(); + } +}