1 /*
 2  * Copyright (c) 2017, 2020, Red Hat, Inc. All rights reserved.
 3  * Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
 4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 5  *
 6  * This code is free software; you can redistribute it and/or modify it
 7  * under the terms of the GNU General Public License version 2 only, as
 8  * published by the Free Software Foundation.
 9  *
10  * This code is distributed in the hope that it will be useful, but WITHOUT
11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
13  * version 2 for more details (a copy is included in the LICENSE file that
14  * accompanied this code).
15  *
16  * You should have received a copy of the GNU General Public License version
17  * 2 along with this work; if not, write to the Free Software Foundation,
18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19  *
20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21  * or visit www.oracle.com if you need additional information or have any
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24  */
25 
26 #ifndef SHARE_GC_SHENANDOAH_SHENANDOAHCOLLECTIONSET_INLINE_HPP
27 #define SHARE_GC_SHENANDOAH_SHENANDOAHCOLLECTIONSET_INLINE_HPP
28 
29 #include "gc/shenandoah/shenandoahCollectionSet.hpp"
30 
31 #include "gc/shenandoah/shenandoahHeap.hpp"
32 #include "gc/shenandoah/shenandoahHeap.inline.hpp"
33 #include "gc/shenandoah/shenandoahHeapRegion.hpp"
34 
35 bool ShenandoahCollectionSet::is_in(size_t region_idx) const {
36   assert(region_idx < _heap->num_regions(), "Sanity");
37   return _cset_map[region_idx] == 1;
38 }
39 
40 bool ShenandoahCollectionSet::is_in(ShenandoahHeapRegion* r) const {
41   return is_in(r->index());
42 }
43 
44 bool ShenandoahCollectionSet::is_in(oop p) const {
45   shenandoah_assert_in_heap_or_null(nullptr, p);
46   return is_in_loc(cast_from_oop<void*>(p));
47 }
48 
49 bool ShenandoahCollectionSet::is_in_loc(void* p) const {
50   assert(p == nullptr || _heap->is_in(p), "Must be in the heap");
51   uintx index = ((uintx) p) >> _region_size_bytes_shift;
52   // no need to subtract the bottom of the heap from p,
53   // _biased_cset_map is biased
54   return _biased_cset_map[index] == 1;
55 }
56 
57 size_t ShenandoahCollectionSet::get_old_bytes_reserved_for_evacuation() {
58   return _old_bytes_to_evacuate;
59 }
60 
61 size_t ShenandoahCollectionSet::get_young_bytes_reserved_for_evacuation() {
62   return _young_bytes_to_evacuate - _young_bytes_to_promote;
63 }
64 
65 size_t ShenandoahCollectionSet::get_young_bytes_to_be_promoted() {
66   return _young_bytes_to_promote;
67 }
68 
69 size_t ShenandoahCollectionSet::get_old_garbage() {
70   return _old_garbage;
71 }
72 
73 #endif // SHARE_GC_SHENANDOAH_SHENANDOAHCOLLECTIONSET_INLINE_HPP