jdk-24/src/hotspot/share/gc/shenandoah/shenandoahCollectionSet.inline.hpp
Roman Kennke bd1d7356a3 8235598: Shenandoah: Update copyrights
Reviewed-by: zgu
2019-12-10 20:06:06 +01:00

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1.9 KiB
C++

/*
* Copyright (c) 2017, 2019, 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