1/*
2 * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
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
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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23 */
24
25#ifndef SHARE_GC_SERIAL_SERIALHEAP_HPP
26#define SHARE_GC_SERIAL_SERIALHEAP_HPP
27
28#include "gc/serial/defNewGeneration.hpp"
29#include "gc/serial/tenuredGeneration.hpp"
30#include "gc/shared/genCollectedHeap.hpp"
31#include "utilities/growableArray.hpp"
32
33class GCMemoryManager;
34class MemoryPool;
35class TenuredGeneration;
36
37class SerialHeap : public GenCollectedHeap {
38private:
39 MemoryPool* _eden_pool;
40 MemoryPool* _survivor_pool;
41 MemoryPool* _old_pool;
42
43 virtual void initialize_serviceability();
44
45public:
46 static SerialHeap* heap();
47
48 SerialHeap();
49
50 virtual Name kind() const {
51 return CollectedHeap::Serial;
52 }
53
54 virtual const char* name() const {
55 return "Serial";
56 }
57
58 virtual GrowableArray<GCMemoryManager*> memory_managers();
59 virtual GrowableArray<MemoryPool*> memory_pools();
60
61 DefNewGeneration* young_gen() const {
62 assert(_young_gen->kind() == Generation::DefNew, "Wrong generation type");
63 return static_cast<DefNewGeneration*>(_young_gen);
64 }
65
66 TenuredGeneration* old_gen() const {
67 assert(_old_gen->kind() == Generation::MarkSweepCompact, "Wrong generation type");
68 return static_cast<TenuredGeneration*>(_old_gen);
69 }
70
71 // Apply "cur->do_oop" or "older->do_oop" to all the oops in objects
72 // allocated since the last call to save_marks in the young generation.
73 // The "cur" closure is applied to references in the younger generation
74 // at "level", and the "older" closure to older generations.
75 template <typename OopClosureType1, typename OopClosureType2>
76 void oop_since_save_marks_iterate(OopClosureType1* cur,
77 OopClosureType2* older);
78};
79
80#endif // SHARE_GC_SERIAL_SERIALHEAP_HPP
81