| /* |
| * 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> T getProvider(Class<T> 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(); |
| } |
| } |