Mercurial > hg > truffle
annotate src/share/vm/gc_implementation/g1/heapRegionSets.hpp @ 13037:c8fc12209830
8027616: Off by one error in putback for compressed oops nashorn performance improvement
Summary: Should compare bounds greater than or equal 4G when deciding if shift is needed or CDS area + compressed class space are within 4G of each other.
Reviewed-by: stefank, hseigel, zgu
author | coleenp |
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date | Thu, 31 Oct 2013 14:11:02 -0400 |
parents | 8aae2050e83e |
children |
rev | line source |
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2152 | 1 /* |
3765
ae5b2f1dcf12
7045662: G1: OopsInHeapRegionClosure::set_region() should not be virtual
tonyp
parents:
2152
diff
changeset
|
2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. |
2152 | 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. | |
18 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 * | |
23 */ | |
24 | |
25 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSETS_HPP | |
26 #define SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSETS_HPP | |
27 | |
28 #include "gc_implementation/g1/heapRegionSet.inline.hpp" | |
29 | |
30 //////////////////// FreeRegionList //////////////////// | |
31 | |
32 class FreeRegionList : public HeapRegionLinkedList { | |
33 protected: | |
34 virtual const char* verify_region_extra(HeapRegion* hr); | |
35 | |
36 virtual bool regions_humongous() { return false; } | |
37 virtual bool regions_empty() { return true; } | |
38 | |
39 public: | |
40 FreeRegionList(const char* name) : HeapRegionLinkedList(name) { } | |
41 }; | |
42 | |
43 //////////////////// MasterFreeRegionList //////////////////// | |
44 | |
45 class MasterFreeRegionList : public FreeRegionList { | |
46 protected: | |
3777
e8b0b0392037
7046182: G1: remove unnecessary iterations over the collection set
tonyp
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3765
diff
changeset
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47 virtual const char* verify_region_extra(HeapRegion* hr); |
2152 | 48 virtual bool check_mt_safety(); |
49 | |
50 public: | |
51 MasterFreeRegionList(const char* name) : FreeRegionList(name) { } | |
52 }; | |
53 | |
54 //////////////////// SecondaryFreeRegionList //////////////////// | |
55 | |
56 class SecondaryFreeRegionList : public FreeRegionList { | |
57 protected: | |
58 virtual bool check_mt_safety(); | |
59 | |
60 public: | |
61 SecondaryFreeRegionList(const char* name) : FreeRegionList(name) { } | |
62 }; | |
63 | |
4072 | 64 //////////////////// OldRegionSet //////////////////// |
65 | |
66 class OldRegionSet : public HeapRegionSet { | |
67 protected: | |
68 virtual const char* verify_region_extra(HeapRegion* hr); | |
69 | |
70 virtual bool regions_humongous() { return false; } | |
71 virtual bool regions_empty() { return false; } | |
72 | |
73 public: | |
74 OldRegionSet(const char* name) : HeapRegionSet(name) { } | |
75 }; | |
76 | |
77 //////////////////// MasterOldRegionSet //////////////////// | |
78 | |
79 class MasterOldRegionSet : public OldRegionSet { | |
80 private: | |
81 protected: | |
82 virtual bool check_mt_safety(); | |
83 | |
84 public: | |
85 MasterOldRegionSet(const char* name) : OldRegionSet(name) { } | |
86 }; | |
87 | |
2152 | 88 //////////////////// HumongousRegionSet //////////////////// |
89 | |
90 class HumongousRegionSet : public HeapRegionSet { | |
91 protected: | |
92 virtual const char* verify_region_extra(HeapRegion* hr); | |
93 | |
94 virtual bool regions_humongous() { return true; } | |
95 virtual bool regions_empty() { return false; } | |
96 | |
97 public: | |
98 HumongousRegionSet(const char* name) : HeapRegionSet(name) { } | |
99 }; | |
100 | |
101 //////////////////// MasterHumongousRegionSet //////////////////// | |
102 | |
103 class MasterHumongousRegionSet : public HumongousRegionSet { | |
104 protected: | |
105 virtual bool check_mt_safety(); | |
106 | |
107 public: | |
108 MasterHumongousRegionSet(const char* name) : HumongousRegionSet(name) { } | |
109 }; | |
110 | |
111 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSETS_HPP |