src/share/vm/memory/barrierSet.hpp

*** 1,7 ****
  /*
!  * Copyright (c) 2000, 2010, 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) 2000, 2011, 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.
*** 42,51 ****
--- 42,55 ----
      G1SATBCTLogging,
      Other,
      Uninit
    };
  
+   enum Flags {
+     None                = 0,
+     TargetUninitialized = 1
+   };
  protected:
    int _max_covered_regions;
    Name _kind;
  
  public:
*** 126,137 ****
    // barrier for an array whose elements are all in the given memory region.
    virtual void read_ref_array(MemRegion mr) = 0;
    virtual void read_prim_array(MemRegion mr) = 0;
  
    // Below length is the # array elements being written
!   virtual void write_ref_array_pre(      oop* dst, int length) {}
!   virtual void write_ref_array_pre(narrowOop* dst, int length) {}
    // Below count is the # array elements being written, starting
    // at the address "start", which may not necessarily be HeapWord-aligned
    inline void write_ref_array(HeapWord* start, size_t count);
  
    // Static versions, suitable for calling from generated code;
--- 130,143 ----
    // barrier for an array whose elements are all in the given memory region.
    virtual void read_ref_array(MemRegion mr) = 0;
    virtual void read_prim_array(MemRegion mr) = 0;
  
    // Below length is the # array elements being written
!   virtual void write_ref_array_pre(oop* dst, int length,
!                                    bool dest_uninitialized = false) {}
!   virtual void write_ref_array_pre(narrowOop* dst, int length,
!                                    bool dest_uninitialized = false) {}
    // Below count is the # array elements being written, starting
    // at the address "start", which may not necessarily be HeapWord-aligned
    inline void write_ref_array(HeapWord* start, size_t count);
  
    // Static versions, suitable for calling from generated code;