--- a/src/hotspot/share/memory/allocation.hpp	Mon Oct 29 08:34:33 2018 -0700
+++ b/src/hotspot/share/memory/allocation.hpp	Thu Oct 25 11:23:43 2018 -0700
@@ -244,7 +244,6 @@
 class MetaspaceClosure;
 
 class MetaspaceObj {
-  friend class MetaspaceShared;
   // When CDS is enabled, all shared metaspace objects are mapped
   // into a single contiguous memory block, so we can use these
   // two pointers to quickly determine if something is in the
@@ -263,6 +262,13 @@
   }
   void print_address_on(outputStream* st) const;  // nonvirtual address printing
 
+  static void set_shared_metaspace_range(void* base, void* top) {
+    _shared_metaspace_base = base;
+    _shared_metaspace_top = top;
+  }
+  static void* shared_metaspace_base() { return _shared_metaspace_base; }
+  static void* shared_metaspace_top()  { return _shared_metaspace_top;  }
+
 #define METASPACE_OBJ_TYPES_DO(f) \
   f(Class) \
   f(Symbol) \