/*

 * Copyright (c) 2018, Red Hat, Inc. All rights reserved.

 *

 * 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.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

#ifndef SHARE_VM_GC_SHENANDOAH_SHENANDOAHMARKINGCONTEXT_INLINE_HPP

#define SHARE_VM_GC_SHENANDOAH_SHENANDOAHMARKINGCONTEXT_INLINE_HPP

#include "gc/shenandoah/shenandoahMarkingContext.hpp"

inline MarkBitMap* ShenandoahMarkingContext::mark_bit_map() {

  return &_mark_bit_map;

}

inline bool ShenandoahMarkingContext::mark(oop obj) {

  shenandoah_assert_not_forwarded(NULL, obj);

  HeapWord* addr = (HeapWord*) obj;

  return (! allocated_after_mark_start(addr)) && _mark_bit_map.par_mark(addr);

}

inline bool ShenandoahMarkingContext::is_marked(oop obj) const {

  HeapWord* addr = (HeapWord*) obj;

  return allocated_after_mark_start(addr) || _mark_bit_map.is_marked(addr);

}

inline bool ShenandoahMarkingContext::allocated_after_mark_start(HeapWord* addr) const {

  uintx index = ((uintx) addr) >> ShenandoahHeapRegion::region_size_bytes_shift();

  HeapWord* top_at_mark_start = _top_at_mark_starts[index];

  bool alloc_after_mark_start = addr >= top_at_mark_start;

  return alloc_after_mark_start;

}

#endif // SHARE_VM_GC_SHENANDOAH_SHENANDOAHMARKINGCONTEXT_INLINE_HPP