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1 /* |
1 /* |
2 * Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * |
4 * |
5 * This code is free software; you can redistribute it and/or modify it |
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 |
6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. |
7 * published by the Free Software Foundation. |
23 */ |
23 */ |
24 |
24 |
25 #ifndef SHARE_VM_GC_G1_G1CARDCOUNTS_HPP |
25 #ifndef SHARE_VM_GC_G1_G1CARDCOUNTS_HPP |
26 #define SHARE_VM_GC_G1_G1CARDCOUNTS_HPP |
26 #define SHARE_VM_GC_G1_G1CARDCOUNTS_HPP |
27 |
27 |
|
28 #include "gc/g1/g1CardTable.hpp" |
28 #include "gc/g1/g1RegionToSpaceMapper.hpp" |
29 #include "gc/g1/g1RegionToSpaceMapper.hpp" |
29 #include "memory/allocation.hpp" |
30 #include "memory/allocation.hpp" |
30 #include "memory/virtualspace.hpp" |
31 #include "memory/virtualspace.hpp" |
31 #include "utilities/globalDefinitions.hpp" |
32 #include "utilities/globalDefinitions.hpp" |
32 |
33 |
54 |
55 |
55 class G1CardCounts: public CHeapObj<mtGC> { |
56 class G1CardCounts: public CHeapObj<mtGC> { |
56 G1CardCountsMappingChangedListener _listener; |
57 G1CardCountsMappingChangedListener _listener; |
57 |
58 |
58 G1CollectedHeap* _g1h; |
59 G1CollectedHeap* _g1h; |
|
60 G1CardTable* _ct; |
59 |
61 |
60 // The table of counts |
62 // The table of counts |
61 jubyte* _card_counts; |
63 jubyte* _card_counts; |
62 |
64 |
63 // Max capacity of the reserved space for the counts table |
65 // Max capacity of the reserved space for the counts table |
64 size_t _reserved_max_card_num; |
66 size_t _reserved_max_card_num; |
65 |
67 |
66 // CardTable bottom. |
68 // CardTable bottom. |
67 const jbyte* _ct_bot; |
69 const jbyte* _ct_bot; |
68 |
|
69 // Barrier set |
|
70 CardTableModRefBS* _ct_bs; |
|
71 |
70 |
72 // Returns true if the card counts table has been reserved. |
71 // Returns true if the card counts table has been reserved. |
73 bool has_reserved_count_table() { return _card_counts != NULL; } |
72 bool has_reserved_count_table() { return _card_counts != NULL; } |
74 |
73 |
75 // Returns true if the card counts table has been reserved and committed. |
74 // Returns true if the card counts table has been reserved and committed. |