src/share/vm/oops/constantPool.hpp

*** 209,218 ****
--- 209,221 ----
  
    // Interpreter runtime support
    ConstantPoolCache* cache() const        { return _cache; }
    void set_cache(ConstantPoolCache* cache){ _cache = cache; }
  
+   virtual void metaspace_pointers_do(MetaspaceClosure* iter);
+   virtual MetaspaceObj::Type type() const { return ConstantPoolType; }
+ 
    // Create object cache in the constant pool
    void initialize_resolved_references(ClassLoaderData* loader_data,
                                        const intStack& reference_map,
                                        int constant_pool_map_length,
                                        TRAPS);
*** 762,771 ****
--- 765,777 ----
    int size() const                     { return size(length()); }
  #if INCLUDE_SERVICES
    void collect_statistics(KlassSizeStats *sz) const;
  #endif
  
+   // ConstantPools should be stored in the read-only region of CDS archive.
+   static bool is_read_only_by_default() { return true; }
+ 
    friend class ClassFileParser;
    friend class SystemDictionary;
  
    // Used by CDS. These classes need to access the private ConstantPool() constructor.
    template <class T> friend class CppVtableTesterA;