src/hotspot/share/memory/universe.hpp

@@ -1,7 +1,7 @@
  /*
-  * Copyright (c) 1997, 2025, Oracle and/or its affiliates. All rights reserved.
+  * Copyright (c) 1997, 2026, 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.

@@ -63,11 +63,11 @@
    friend void  universe_post_module_init();
  
   private:
    // Known classes in the VM
    static TypeArrayKlass* _typeArrayKlasses[T_LONG+1];
-   static ObjArrayKlass* _objectArrayKlass;
+   static RefArrayKlass* _objectArrayKlass;
    // Special int-Array that represents filler objects that are used by GC to overwrite
    // dead objects. References to them are generally an error.
    static Klass* _fillerArrayKlass;
  
    // Known objects in the VM

@@ -127,13 +127,13 @@
    static bool _bootstrapping;                         // true during genesis
    static bool _module_initialized;                    // true after call_initPhase2 called
    static bool _fully_initialized;                     // true after universe_init and initialize_vtables called
  
    // the array of preallocated errors with backtraces
-   static objArrayOop  preallocated_out_of_memory_errors();
+   static refArrayOop preallocated_out_of_memory_errors();
  
-   static objArrayOop out_of_memory_errors();
+   static refArrayOop out_of_memory_errors();
    // generate an out of memory error; if possible using an error with preallocated backtrace;
    // otherwise return the given default error.
    static oop        gen_out_of_memory_error(oop default_err);
  
    static OopStorage* _vm_weak;

@@ -183,12 +183,12 @@
    static TypeArrayKlass* shortArrayKlass()       { return typeArrayKlass(T_SHORT); }
    static TypeArrayKlass* longArrayKlass()        { return typeArrayKlass(T_LONG); }
    static TypeArrayKlass* floatArrayKlass()       { return typeArrayKlass(T_FLOAT); }
    static TypeArrayKlass* doubleArrayKlass()      { return typeArrayKlass(T_DOUBLE); }
  
-   static ObjArrayKlass* objectArrayKlass() {
-     ObjArrayKlass* k = _objectArrayKlass;
+   static RefArrayKlass* objectArrayKlass() {
+     RefArrayKlass* k = _objectArrayKlass;
      assert(k != nullptr, "Object array klass should be initialized; too early?");
      return k;
    }
  
    static Klass* fillerArrayKlass() {

@@ -251,10 +251,13 @@
    static Method*      loader_addClass_method();
    static Method*      throw_illegal_access_error();
    static Method*      throw_no_such_method_error();
    static Method*      do_stack_walk_method();
  
+   static Method*      is_substitutable_method();
+   static Method*      value_object_hash_code_method();
+ 
    static oop          the_null_sentinel();
    static address      the_null_sentinel_addr()        { return (address) &_the_null_sentinel;  }
  
    // Function to initialize these
    static void initialize_known_methods(JavaThread* current);