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 jdk.vm.ci.hotspot;
  24 
  25 import jdk.vm.ci.code.*;
  26 import jdk.vm.ci.meta.*;


  27 
  28 public interface HotSpotVMEventListener {
  29 
  30     /**
  31      * Notifies this client that the VM is shutting down.
  32      */
  33     default void notifyShutdown() {
  34     }
  35 
  36     /**
  37      * Notify on successful install into the CodeCache.
  38      *
  39      * @param hotSpotCodeCacheProvider
  40      * @param installedCode
  41      * @param compResult
  42      */
  43     default void notifyInstall(HotSpotCodeCacheProvider hotSpotCodeCacheProvider, InstalledCode installedCode, CompilationResult compResult) {
  44     }
  45 
  46     /**
  47      * Perform any extra initialization required.
  48      *
  49      * @param runtime
  50      */
  51     default void completeInitialization(HotSpotJVMCIRuntime runtime) {
  52     }
  53 
  54     /**
  55      * Create a custom {@link JVMCIMetaAccessContext} to be used for managing the lifetime of loaded
  56      * metadata. It a custom one isn't created then the default implementation will be a single
  57      * context with globally shared instances of {@link ResolvedJavaType} that are never released.
  58      *
  59      * @param hotSpotJVMCIRuntime
  60      * @return a custom context or null
  61      */
  62     default JVMCIMetaAccessContext createMetaAccessContext(HotSpotJVMCIRuntime hotSpotJVMCIRuntime) {
  63         return null;
  64     }
  65 }

   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 jdk.vm.ci.hotspot;
  24 
  25 import jdk.vm.ci.code.CompilationResult;
  26 import jdk.vm.ci.code.InstalledCode;
  27 import jdk.vm.ci.meta.JVMCIMetaAccessContext;
  28 import jdk.vm.ci.meta.ResolvedJavaType;
  29 
  30 public interface HotSpotVMEventListener {
  31 
  32     /**
  33      * Notifies this client that the VM is shutting down.
  34      */
  35     default void notifyShutdown() {
  36     }
  37 
  38     /**
  39      * Notify on successful install into the code cache.
  40      *
  41      * @param hotSpotCodeCacheProvider
  42      * @param installedCode
  43      * @param compResult
  44      */
  45     default void notifyInstall(HotSpotCodeCacheProvider hotSpotCodeCacheProvider, InstalledCode installedCode, CompilationResult compResult) {
  46     }
  47 
  48     /**








  49      * Create a custom {@link JVMCIMetaAccessContext} to be used for managing the lifetime of loaded
  50      * metadata. It a custom one isn't created then the default implementation will be a single
  51      * context with globally shared instances of {@link ResolvedJavaType} that are never released.
  52      *
  53      * @param hotSpotJVMCIRuntime
  54      * @return a custom context or null
  55      */
  56     default JVMCIMetaAccessContext createMetaAccessContext(HotSpotJVMCIRuntime hotSpotJVMCIRuntime) {
  57         return null;
  58     }
  59 }