5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package org.graalvm.compiler.hotspot;
24
25 import static org.graalvm.compiler.core.common.util.ModuleAPI.addExports;
26 import static org.graalvm.compiler.core.common.util.ModuleAPI.getModule;
27 import static org.graalvm.compiler.core.common.util.Util.JAVA_SPECIFICATION_VERSION;
28
29 import org.graalvm.compiler.serviceprovider.ServiceProvider;
30
31 import jdk.vm.ci.hotspot.HotSpotVMEventListener;
32 import jdk.vm.ci.runtime.JVMCICompilerFactory;
33 import jdk.vm.ci.services.JVMCIServiceLocator;
34
35 @ServiceProvider(JVMCIServiceLocator.class)
36 public final class HotSpotGraalJVMCIServiceLocator extends JVMCIServiceLocator {
37
38 private boolean exportsAdded;
39
40 /**
41 * Dynamically exports various internal JDK packages to the Graal module. This requires only
42 * {@code --add-exports=java.base/jdk.internal.module=org.graalvm.compiler.graal_core} on the VM
43 * command line instead of a {@code --add-exports} instance for each JDK internal package used
44 * by Graal.
45 */
46 private void addExports() {
47 if (JAVA_SPECIFICATION_VERSION >= 9 && !exportsAdded) {
48 Object javaBaseModule = getModule.invoke(String.class);
49 Object graalModule = getModule.invoke(getClass());
50 addExports.invokeStatic(javaBaseModule, "jdk.internal.misc", graalModule);
51 addExports.invokeStatic(javaBaseModule, "jdk.internal.jimage", graalModule);
52 addExports.invokeStatic(javaBaseModule, "com.sun.crypto.provider", graalModule);
53 exportsAdded = true;
54 }
55 }
56
57 private HotSpotGraalRuntime graalRuntime;
58
59 @Override
60 public <T> T getProvider(Class<T> service) {
61 if (service == JVMCICompilerFactory.class) {
62 addExports();
63 return service.cast(new HotSpotGraalCompilerFactory(this));
64 } else if (service == HotSpotVMEventListener.class) {
65 if (graalRuntime != null) {
66 addExports();
67 return service.cast(new HotSpotGraalVMEventListener(graalRuntime));
68 }
69 }
70 return null;
71 }
72
73 public void onCompilerCreation(HotSpotGraalCompiler compiler) {
74 assert this.graalRuntime == null : "only expect a single JVMCICompiler to be created";
75 this.graalRuntime = (HotSpotGraalRuntime) compiler.getGraalRuntime();
76 }
77 }
|
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package org.graalvm.compiler.hotspot;
24
25 import org.graalvm.compiler.serviceprovider.ServiceProvider;
26
27 import jdk.vm.ci.hotspot.HotSpotVMEventListener;
28 import jdk.vm.ci.runtime.JVMCICompilerFactory;
29 import jdk.vm.ci.services.JVMCIServiceLocator;
30
31 @ServiceProvider(JVMCIServiceLocator.class)
32 public final class HotSpotGraalJVMCIServiceLocator extends JVMCIServiceLocator {
33
34 /**
35 * Holds the state shared between all {@link HotSpotGraalJVMCIServiceLocator} instances. This is
36 * necessary as a service provider instance is created each time the service is loaded.
37 */
38 private static final class Shared {
39 static final Shared SINGLETON = new Shared();
40
41 <T> T getProvider(Class<T> service, HotSpotGraalJVMCIServiceLocator locator) {
42 if (service == JVMCICompilerFactory.class) {
43 return service.cast(new HotSpotGraalCompilerFactory(locator));
44 } else if (service == HotSpotVMEventListener.class) {
45 if (graalRuntime != null) {
46 return service.cast(new HotSpotGraalVMEventListener(graalRuntime));
47 }
48 }
49 return null;
50 }
51
52 private HotSpotGraalRuntime graalRuntime;
53
54 /**
55 * Notifies this object of the compiler created via {@link HotSpotGraalJVMCIServiceLocator}.
56 */
57 void onCompilerCreation(HotSpotGraalCompiler compiler) {
58 assert this.graalRuntime == null : "only expect a single JVMCICompiler to be created";
59 this.graalRuntime = (HotSpotGraalRuntime) compiler.getGraalRuntime();
60 }
61 }
62
63 @Override
64 public <T> T getProvider(Class<T> service) {
65 return Shared.SINGLETON.getProvider(service, this);
66 }
67
68 /**
69 * Notifies this object of the compiler created via {@link HotSpotGraalJVMCIServiceLocator}.
70 */
71 @SuppressWarnings("static-method")
72 void onCompilerCreation(HotSpotGraalCompiler compiler) {
73 Shared.SINGLETON.onCompilerCreation(compiler);
74 }
75 }
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