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src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/HotSpotGraalJVMCIServiceLocator.java

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   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 
  24 
  25 package org.graalvm.compiler.hotspot;
  26 
  27 import org.graalvm.compiler.serviceprovider.ServiceProvider;
  28 

  29 import jdk.vm.ci.hotspot.HotSpotVMEventListener;
  30 import jdk.vm.ci.runtime.JVMCICompilerFactory;
  31 import jdk.vm.ci.services.JVMCIServiceLocator;
  32 
  33 @ServiceProvider(JVMCIServiceLocator.class)
  34 public final class HotSpotGraalJVMCIServiceLocator extends JVMCIServiceLocator {
  35 
  36     /**
  37      * Holds the state shared between all {@link HotSpotGraalJVMCIServiceLocator} instances. This is
  38      * necessary as a service provider instance is created each time the service is loaded.
  39      */
  40     private static final class Shared {
  41         static final Shared SINGLETON = new Shared();
  42 
  43         <T> T getProvider(Class<T> service, HotSpotGraalJVMCIServiceLocator locator) {
  44             if (service == JVMCICompilerFactory.class) {
  45                 return service.cast(new HotSpotGraalCompilerFactory(locator));
  46             } else if (service == HotSpotVMEventListener.class) {
  47                 if (graalRuntime != null) {
  48                     return service.cast(new HotSpotGraalVMEventListener(graalRuntime));
  49                 }
  50             }
  51             return null;
  52         }
  53 
  54         private HotSpotGraalRuntime graalRuntime;
  55 
  56         /**
  57          * Notifies this object of the compiler created via {@link HotSpotGraalJVMCIServiceLocator}.
  58          */
  59         void onCompilerCreation(HotSpotGraalCompiler compiler) {
  60             assert this.graalRuntime == null : "only expect a single JVMCICompiler to be created";
  61             this.graalRuntime = (HotSpotGraalRuntime) compiler.getGraalRuntime();
  62         }
  63     }
  64 
  65     @Override
  66     public <T> T getProvider(Class<T> service) {
  67         return Shared.SINGLETON.getProvider(service, this);
  68     }
  69 
  70     /**
  71      * Notifies this object of the compiler created via {@link HotSpotGraalJVMCIServiceLocator}.
  72      */
  73     @SuppressWarnings("static-method")
  74     void onCompilerCreation(HotSpotGraalCompiler compiler) {


   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 
  24 
  25 package org.graalvm.compiler.hotspot;
  26 
  27 import org.graalvm.compiler.serviceprovider.ServiceProvider;
  28 
  29 import jdk.vm.ci.common.NativeImageReinitialize;
  30 import jdk.vm.ci.hotspot.HotSpotVMEventListener;
  31 import jdk.vm.ci.runtime.JVMCICompilerFactory;
  32 import jdk.vm.ci.services.JVMCIServiceLocator;
  33 
  34 @ServiceProvider(JVMCIServiceLocator.class)
  35 public final class HotSpotGraalJVMCIServiceLocator extends JVMCIServiceLocator {
  36 
  37     /**
  38      * Holds the state shared between all {@link HotSpotGraalJVMCIServiceLocator} instances. This is
  39      * necessary as a service provider instance is created each time the service is loaded.
  40      */
  41     private static final class Shared {
  42         static final Shared SINGLETON = new Shared();
  43 
  44         <T> T getProvider(Class<T> service, HotSpotGraalJVMCIServiceLocator locator) {
  45             if (service == JVMCICompilerFactory.class) {
  46                 return service.cast(new HotSpotGraalCompilerFactory(locator));
  47             } else if (service == HotSpotVMEventListener.class) {
  48                 if (graalRuntime != null) {
  49                     return service.cast(new HotSpotGraalVMEventListener(graalRuntime));
  50                 }
  51             }
  52             return null;
  53         }
  54 
  55         @NativeImageReinitialize private HotSpotGraalRuntime graalRuntime;
  56 
  57         /**
  58          * Notifies this object of the compiler created via {@link HotSpotGraalJVMCIServiceLocator}.
  59          */
  60         void onCompilerCreation(HotSpotGraalCompiler compiler) {
  61             assert this.graalRuntime == null : "only expect a single JVMCICompiler to be created";
  62             this.graalRuntime = (HotSpotGraalRuntime) compiler.getGraalRuntime();
  63         }
  64     }
  65 
  66     @Override
  67     public <T> T getProvider(Class<T> service) {
  68         return Shared.SINGLETON.getProvider(service, this);
  69     }
  70 
  71     /**
  72      * Notifies this object of the compiler created via {@link HotSpotGraalJVMCIServiceLocator}.
  73      */
  74     @SuppressWarnings("static-method")
  75     void onCompilerCreation(HotSpotGraalCompiler compiler) {
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