src/hotspot/share/memory/metaspace.hpp

rev 58565 : 8238358: Implementation of JEP 371: Hidden Classes
Reviewed-by: duke
Contributed-by: mandy.chung@oracle.com, lois.foltan@oracle.com, david.holmes@oracle.com, harold.seigel@oracle.com, serguei.spitsyn@oracle.com, alex.buckley@oracle.com, jamsheed.c.m@oracle.com

*** 1,7 ****
  /*
!  * Copyright (c) 2011, 2019, 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.
--- 1,7 ----
  /*
!  * Copyright (c) 2011, 2020, 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.
*** 102,113 ****
    };
    enum MetaspaceType {
      ZeroMetaspaceType = 0,
      StandardMetaspaceType = ZeroMetaspaceType,
      BootMetaspaceType = StandardMetaspaceType + 1,
!     UnsafeAnonymousMetaspaceType = BootMetaspaceType + 1,
!     ReflectionMetaspaceType = UnsafeAnonymousMetaspaceType + 1,
      MetaspaceTypeCount
    };
  
   private:
  
--- 102,113 ----
    };
    enum MetaspaceType {
      ZeroMetaspaceType = 0,
      StandardMetaspaceType = ZeroMetaspaceType,
      BootMetaspaceType = StandardMetaspaceType + 1,
!     ClassMirrorHolderMetaspaceType = BootMetaspaceType + 1,
!     ReflectionMetaspaceType = ClassMirrorHolderMetaspaceType + 1,
      MetaspaceTypeCount
    };
  
   private:
  
*** 252,262 ****
  
    void initialize(Mutex* lock, Metaspace::MetaspaceType type);
  
    // Initialize the first chunk for a Metaspace.  Used for
    // special cases such as the boot class loader, reflection
!   // class loader and anonymous class loader.
    void initialize_first_chunk(Metaspace::MetaspaceType type, Metaspace::MetadataType mdtype);
    metaspace::Metachunk* get_initialization_chunk(Metaspace::MetaspaceType type, Metaspace::MetadataType mdtype);
  
    const Metaspace::MetaspaceType _space_type;
    Mutex* const  _lock;
--- 252,262 ----
  
    void initialize(Mutex* lock, Metaspace::MetaspaceType type);
  
    // Initialize the first chunk for a Metaspace.  Used for
    // special cases such as the boot class loader, reflection
!   // class loader and hidden class loader.
    void initialize_first_chunk(Metaspace::MetaspaceType type, Metaspace::MetadataType mdtype);
    metaspace::Metachunk* get_initialization_chunk(Metaspace::MetaspaceType type, Metaspace::MetadataType mdtype);
  
    const Metaspace::MetaspaceType _space_type;
    Mutex* const  _lock;
*** 397,407 ****
    enum ReportFlag {
      // Show usage by class loader.
      rf_show_loaders                 = (1 << 0),
      // Breaks report down by chunk type (small, medium, ...).
      rf_break_down_by_chunktype      = (1 << 1),
!     // Breaks report down by space type (anonymous, reflection, ...).
      rf_break_down_by_spacetype      = (1 << 2),
      // Print details about the underlying virtual spaces.
      rf_show_vslist                  = (1 << 3),
      // Print metaspace map.
      rf_show_vsmap                   = (1 << 4),
--- 397,407 ----
    enum ReportFlag {
      // Show usage by class loader.
      rf_show_loaders                 = (1 << 0),
      // Breaks report down by chunk type (small, medium, ...).
      rf_break_down_by_chunktype      = (1 << 1),
!     // Breaks report down by space type (hidden, reflection, ...).
      rf_break_down_by_spacetype      = (1 << 2),
      // Print details about the underlying virtual spaces.
      rf_show_vslist                  = (1 << 3),
      // Print metaspace map.
      rf_show_vsmap                   = (1 << 4),