1/*
2 * Copyright (c) 2017, 2018, Red Hat, Inc. All rights reserved.
3 *
4 * This code is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License version 2 only, as
6 * published by the Free Software Foundation.
7 *
8 * This code is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
11 * version 2 for more details (a copy is included in the LICENSE file that
12 * accompanied this code).
13 *
14 * You should have received a copy of the GNU General Public License version
15 * 2 along with this work; if not, write to the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19 * or visit www.oracle.com if you need additional information or have any
20 * questions.
21 *
22 */
23
24#ifndef SHARE_GC_SHENANDOAH_SHENANDOAHCOLLECTIONSET_INLINE_HPP
25#define SHARE_GC_SHENANDOAH_SHENANDOAHCOLLECTIONSET_INLINE_HPP
26
27#include "gc/shenandoah/shenandoahCollectionSet.hpp"
28#include "gc/shenandoah/shenandoahHeap.hpp"
29#include "gc/shenandoah/shenandoahHeap.inline.hpp"
30#include "gc/shenandoah/shenandoahHeapRegion.hpp"
31
32bool ShenandoahCollectionSet::is_in(size_t region_number) const {
33 assert(region_number < _heap->num_regions(), "Sanity");
34 return _cset_map[region_number] == 1;
35}
36
37bool ShenandoahCollectionSet::is_in(ShenandoahHeapRegion* r) const {
38 return is_in(r->region_number());
39}
40
41bool ShenandoahCollectionSet::is_in(HeapWord* p) const {
42 assert(_heap->is_in(p), "Must be in the heap");
43 uintx index = ((uintx) p) >> _region_size_bytes_shift;
44 // no need to subtract the bottom of the heap from p,
45 // _biased_cset_map is biased
46 return _biased_cset_map[index] == 1;
47}
48
49#endif // SHARE_GC_SHENANDOAH_SHENANDOAHCOLLECTIONSET_INLINE_HPP
50