src/hotspot/share/memory/archiveUtils.hpp

*** 1,7 ****
  /*
!  * Copyright (c) 2019, 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) 2019, 2020, 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.
*** 42,59 ****
--- 42,66 ----
    // avoid unintentional copy operations after the bitmap has been finalized and written.
    static bool         _compacted;
  public:
    static void initialize(CHeapBitMap* ptrmap, address* ptr_base, address* ptr_end);
    static void mark_pointer(address* ptr_loc);
+   static void clear_pointer(address* ptr_loc);
    static void compact(address relocatable_base, address relocatable_end);
    static void compact(size_t max_non_null_offset);
  
    template <typename T>
    static void mark_pointer(T* ptr_loc) {
      mark_pointer((address*)ptr_loc);
    }
  
+   template <typename T>
+   static void set_and_mark_pointer(T* ptr_loc, T ptr_value) {
+     *ptr_loc = ptr_value;
+     mark_pointer(ptr_loc);
+   }
+ 
    static void expand_ptr_end(address *new_ptr_end) {
      assert(_ptr_end <= new_ptr_end, "must be");
      _ptr_end = new_ptr_end;
    }