1 /*
   2  * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 #ifndef SHARE_GC_Z_ZBARRIERSETRUNTIME_HPP
  25 #define SHARE_GC_Z_ZBARRIERSETRUNTIME_HPP
  26 
  27 #include "memory/allocation.hpp"
  28 #include "oops/accessDecorators.hpp"
  29 #include "utilities/globalDefinitions.hpp"
  30 
  31 class oopDesc;
  32 
  33 class ZBarrierSetRuntime : public AllStatic {
  34 private:
  35   static oopDesc* load_barrier_on_oop_field_preloaded(oopDesc* o, oop* p);
  36   static oopDesc* load_barrier_on_weak_oop_field_preloaded(oopDesc* o, oop* p);
  37   static oopDesc* load_barrier_on_phantom_oop_field_preloaded(oopDesc* o, oop* p);
  38   static void load_barrier_on_oop_array(oop* p, size_t length);
  39 
  40 public:
  41   static address load_barrier_on_oop_field_preloaded_addr(DecoratorSet decorators);
  42   static address load_barrier_on_oop_field_preloaded_addr();
  43   static address load_barrier_on_weak_oop_field_preloaded_addr();
  44   static address load_barrier_on_phantom_oop_field_preloaded_addr();
  45   static address load_barrier_on_oop_array_addr();
  46 };
  47 
  48 #endif // SHARE_GC_Z_ZBARRIERSETRUNTIME_HPP