1/*
2 * Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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5 * This code is free software; you can redistribute it and/or modify it
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7 * published by the Free Software Foundation.
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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23 */
24
25#ifndef SHARE_GC_PARALLEL_PSSCAVENGE_INLINE_HPP
26#define SHARE_GC_PARALLEL_PSSCAVENGE_INLINE_HPP
27
28#include "gc/parallel/parallelScavengeHeap.hpp"
29#include "gc/parallel/psScavenge.hpp"
30#include "logging/log.hpp"
31#include "memory/iterator.hpp"
32#include "memory/resourceArea.hpp"
33#include "oops/access.inline.hpp"
34#include "oops/oop.inline.hpp"
35#include "utilities/globalDefinitions.hpp"
36
37inline void PSScavenge::save_to_space_top_before_gc() {
38 ParallelScavengeHeap* heap = ParallelScavengeHeap::heap();
39 _to_space_top_before_gc = heap->young_gen()->to_space()->top();
40}
41
42template <class T> inline bool PSScavenge::should_scavenge(T* p) {
43 T heap_oop = RawAccess<>::oop_load(p);
44 return PSScavenge::is_obj_in_young(heap_oop);
45}
46
47template <class T>
48inline bool PSScavenge::should_scavenge(T* p, MutableSpace* to_space) {
49 if (should_scavenge(p)) {
50 oop obj = RawAccess<IS_NOT_NULL>::oop_load(p);
51 // Skip objects copied to to_space since the scavenge started.
52 HeapWord* const addr = (HeapWord*)obj;
53 return addr < to_space_top_before_gc() || addr >= to_space->end();
54 }
55 return false;
56}
57
58template <class T>
59inline bool PSScavenge::should_scavenge(T* p, bool check_to_space) {
60 if (check_to_space) {
61 ParallelScavengeHeap* heap = ParallelScavengeHeap::heap();
62 return should_scavenge(p, heap->young_gen()->to_space());
63 }
64 return should_scavenge(p);
65}
66
67#endif // SHARE_GC_PARALLEL_PSSCAVENGE_INLINE_HPP
68