68 lines
2.4 KiB
C++
68 lines
2.4 KiB
C++
/*
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* Copyright (c) 2002, 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#ifndef SHARE_VM_GC_PARALLEL_PSSCAVENGE_INLINE_HPP
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#define SHARE_VM_GC_PARALLEL_PSSCAVENGE_INLINE_HPP
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#include "gc/parallel/parallelScavengeHeap.hpp"
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#include "gc/parallel/psScavenge.hpp"
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#include "logging/log.hpp"
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#include "memory/iterator.hpp"
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#include "memory/resourceArea.hpp"
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#include "oops/access.inline.hpp"
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#include "oops/oop.inline.hpp"
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#include "utilities/globalDefinitions.hpp"
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inline void PSScavenge::save_to_space_top_before_gc() {
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ParallelScavengeHeap* heap = ParallelScavengeHeap::heap();
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_to_space_top_before_gc = heap->young_gen()->to_space()->top();
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}
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template <class T> inline bool PSScavenge::should_scavenge(T* p) {
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T heap_oop = RawAccess<>::oop_load(p);
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return PSScavenge::is_obj_in_young(heap_oop);
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}
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template <class T>
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inline bool PSScavenge::should_scavenge(T* p, MutableSpace* to_space) {
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if (should_scavenge(p)) {
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oop obj = RawAccess<IS_NOT_NULL>::oop_load(p);
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// Skip objects copied to to_space since the scavenge started.
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HeapWord* const addr = (HeapWord*)obj;
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return addr < to_space_top_before_gc() || addr >= to_space->end();
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}
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return false;
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}
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template <class T>
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inline bool PSScavenge::should_scavenge(T* p, bool check_to_space) {
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if (check_to_space) {
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ParallelScavengeHeap* heap = ParallelScavengeHeap::heap();
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return should_scavenge(p, heap->young_gen()->to_space());
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}
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return should_scavenge(p);
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}
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#endif // SHARE_VM_GC_PARALLEL_PSSCAVENGE_INLINE_HPP
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