src/java.base/share/classes/java/lang/Module.java

*** 53,62 ****
--- 53,63 ----
  import java.util.stream.Stream;
  
  import jdk.internal.loader.BuiltinClassLoader;
  import jdk.internal.loader.BootLoader;
  import jdk.internal.loader.ClassLoaders;
+ import jdk.internal.misc.VM;
  import jdk.internal.module.IllegalAccessLogger;
  import jdk.internal.module.ModuleLoaderMap;
  import jdk.internal.module.ServicesCatalog;
  import jdk.internal.module.Resources;
  import jdk.internal.org.objectweb.asm.AnnotationVisitor;
*** 244,259 ****
      }
  
      // --
  
      // special Module to mean "all unnamed modules"
!     private static final Module ALL_UNNAMED_MODULE = new Module(null);
!     private static final Set<Module> ALL_UNNAMED_MODULE_SET = Set.of(ALL_UNNAMED_MODULE);
  
      // special Module to mean "everyone"
!     private static final Module EVERYONE_MODULE = new Module(null);
!     private static final Set<Module> EVERYONE_SET = Set.of(EVERYONE_MODULE);
  
      /**
       * The holder of data structures to support readability, exports, and
       * service use added at runtime with the reflective APIs.
       */
--- 245,311 ----
      }
  
      // --
  
      // special Module to mean "all unnamed modules"
!     private static final Module ALL_UNNAMED_MODULE;
!     private static final Set<Module> ALL_UNNAMED_MODULE_SET;
  
      // special Module to mean "everyone"
!     private static final Module EVERYONE_MODULE;
!     private static final Set<Module> EVERYONE_SET;
! 
!     private static class ArchivedData {
!         private static ArchivedData singleton;
! 
!         private final Module        ALL_UNNAMED_MODULE;
!         private final Set<Module>   ALL_UNNAMED_MODULE_SET;
!         private final Module        EVERYONE_MODULE;
!         private final Set<Module>   EVERYONE_SET;
! 
!         public ArchivedData(Module ALL_UNNAMED_MODULE,
!                             Set<Module> ALL_UNNAMED_MODULE_SET,
!                             Module EVERYONE_MODULE,
!                             Set<Module> EVERYONE_SET) {
!             this.ALL_UNNAMED_MODULE = ALL_UNNAMED_MODULE;
!             this.ALL_UNNAMED_MODULE_SET = ALL_UNNAMED_MODULE_SET;
!             this.EVERYONE_MODULE = EVERYONE_MODULE;
!             this.EVERYONE_SET = EVERYONE_SET;
!         }
! 
!         static void archive(ArchivedData archivedData) {
!             singleton = archivedData;
!         }
! 
!         static ArchivedData get() {
!             return singleton;
!         }
! 
!         static {
!             VM.initializeFromArchive(ArchivedData.class);
!         }
!     }
! 
!     static {
!         ArchivedData archivedData = ArchivedData.get();
!         if (archivedData != null) {
!             ALL_UNNAMED_MODULE     = archivedData.ALL_UNNAMED_MODULE;
!             ALL_UNNAMED_MODULE_SET = archivedData.ALL_UNNAMED_MODULE_SET;
!             EVERYONE_MODULE        = archivedData.EVERYONE_MODULE;
!             EVERYONE_SET           = archivedData.EVERYONE_SET;
!         } else {
!             ALL_UNNAMED_MODULE = new Module(null);
!             ALL_UNNAMED_MODULE_SET = Set.of(ALL_UNNAMED_MODULE);
!             EVERYONE_MODULE = new Module(null);
!             EVERYONE_SET = Set.of(EVERYONE_MODULE);
! 
!             ArchivedData.archive(new ArchivedData(ALL_UNNAMED_MODULE,
!                                                   ALL_UNNAMED_MODULE_SET,
!                                                   EVERYONE_MODULE,
!                                                   EVERYONE_SET));
!         }
!     }
  
      /**
       * The holder of data structures to support readability, exports, and
       * service use added at runtime with the reflective APIs.
       */