src/hotspot/share/memory/allocation.hpp

*** 1,7 ****
  /*
!  * Copyright (c) 1997, 2017, 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) 1997, 2018, 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.
*** 225,237 ****
  
  class ClassLoaderData;
  class MetaspaceClosure;
  
  class MetaspaceObj {
   public:
    bool is_metaspace_object() const;
!   bool is_shared() const;
    void print_address_on(outputStream* st) const;  // nonvirtual address printing
  
  #define METASPACE_OBJ_TYPES_DO(f) \
    f(Class) \
    f(Symbol) \
--- 225,245 ----
  
  class ClassLoaderData;
  class MetaspaceClosure;
  
  class MetaspaceObj {
+   friend class MetaspaceShared;
+   static void*   _shared_metaspace_base;
+   static void*   _shared_metaspace_top;
+ 
   public:
    bool is_metaspace_object() const;
!   bool is_shared() const {
!     // If no shared metaspace regions are mapped, _shared_metaspace_{base,top} will
!     // both be NULL and all values of p will be rejected quickly.
!     return (((void*)this) < _shared_metaspace_top && ((void*)this) >= _shared_metaspace_base);
!   }
    void print_address_on(outputStream* st) const;  // nonvirtual address printing
  
  #define METASPACE_OBJ_TYPES_DO(f) \
    f(Class) \
    f(Symbol) \