/*

 * Copyright (c) 2017, 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_GC_SHENANDOAH_SHENANDOAHCOLLECTIONSET_INLINE_HPP

#define SHARE_GC_SHENANDOAH_SHENANDOAHCOLLECTIONSET_INLINE_HPP

#include "gc/shenandoah/shenandoahCollectionSet.hpp"

#include "gc/shenandoah/shenandoahHeap.hpp"

#include "gc/shenandoah/shenandoahHeap.inline.hpp"

#include "gc/shenandoah/shenandoahHeapRegion.hpp"

bool ShenandoahCollectionSet::is_in(size_t region_number) const {

  assert(region_number < _heap->num_regions(), "Sanity");

  return _cset_map[region_number] == 1;

}

bool ShenandoahCollectionSet::is_in(ShenandoahHeapRegion* r) const {

  return is_in(r->region_number());

}

bool ShenandoahCollectionSet::is_in(HeapWord* p) const {

  assert(_heap->is_in(p), "Must be in the heap");

  uintx index = ((uintx) p) >> _region_size_bytes_shift;

  // no need to subtract the bottom of the heap from p,

  // _biased_cset_map is biased

  return _biased_cset_map[index] == 1;

}

#endif // SHARE_GC_SHENANDOAH_SHENANDOAHCOLLECTIONSET_INLINE_HPP