1 /*
   2  * Copyright (c) 2020, Red Hat, Inc. 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 
  25 #ifndef SHARE_GC_SHENANDOAH_SHENANDOAHOBJECTMARKER_HPP
  26 #define SHARE_GC_SHENANDOAH_SHENANDOAHOBJECTMARKER_HPP
  27 
  28 #include "gc/shared/markBitMap.hpp"
  29 #include "gc/shared/objectMarker.hpp"
  30 #include "gc/shenandoah/shenandoahHeap.hpp"
  31 
  32 class ShenandoahObjectMarker : public ObjectMarker {
  33 private:
  34   ShenandoahHeap* const _heap;
  35   MarkBitMap*           _bit_map;
  36 
  37 public:
  38   ShenandoahObjectMarker(ShenandoahHeap* heap, MarkBitMap* bitmap) :
  39     _heap(heap), _bit_map(bitmap) {
  40   }
  41 
  42   bool init();
  43   void done();
  44 
  45   bool mark(oop o);
  46   bool visited(oop o);
  47 };
  48 
  49 #endif // SHARE_GC_SHENANDOAH_SHENANDOAHOBJECTMARKER_HPP