src/hotspot/share/gc/z/zUtils.hpp

@@ -40,10 +40,13 @@
    static size_t bytes_to_words(size_t size_in_words);
    static size_t words_to_bytes(size_t size_in_words);
  
    // Object
    static size_t object_size(zaddress addr);
+   static size_t copy_size(zaddress addr, size_t size);
+   static void initialize_hash_if_necessary(zaddress to_addr, zaddress from_addr);
+ 
    static void object_copy_disjoint(zaddress from, zaddress to, size_t size);
    static void object_copy_conjoint(zaddress from, zaddress to, size_t size);
  
    // Memory
    static void fill(uintptr_t* addr, size_t count, uintptr_t value);