Mercurial > hg > truffle
annotate src/share/vm/memory/generationSpec.hpp @ 7176:59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
Summary: Make metaspace::contains be lock free and used to see if something is in metaspace, also compare Method* with vtbl pointer.
Reviewed-by: dholmes, sspitsyn, dcubed, jmasa
| author | coleenp |
|---|---|
| date | Wed, 28 Nov 2012 17:50:21 -0500 |
| parents | da91efe96a93 |
| children |
| rev | line source |
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| 0 | 1 /* |
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da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
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6197
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2 * Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved. |
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| 5 * This code is free software; you can redistribute it and/or modify it | |
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| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
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| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
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| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
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c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
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c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_MEMORY_GENERATIONSPEC_HPP |
| 26 #define SHARE_VM_MEMORY_GENERATIONSPEC_HPP | |
| 27 | |
| 28 #include "memory/generation.hpp" | |
| 29 | |
| 0 | 30 // The specification of a generation. This class also encapsulates |
| 31 // some generation-specific behavior. This is done here rather than as a | |
| 32 // virtual function of Generation because these methods are needed in | |
| 33 // initialization of the Generations. | |
| 6197 | 34 class GenerationSpec : public CHeapObj<mtGC> { |
| 0 | 35 friend class VMStructs; |
| 36 private: | |
| 37 Generation::Name _name; | |
| 38 size_t _init_size; | |
| 39 size_t _max_size; | |
| 40 | |
| 41 public: | |
| 42 GenerationSpec(Generation::Name name, size_t init_size, size_t max_size) { | |
| 43 _name = name; | |
| 44 _init_size = init_size; | |
| 45 _max_size = max_size; | |
| 46 } | |
| 47 | |
| 48 Generation* init(ReservedSpace rs, int level, GenRemSet* remset); | |
| 49 | |
| 50 // Accessors | |
| 51 Generation::Name name() const { return _name; } | |
| 52 size_t init_size() const { return _init_size; } | |
| 53 void set_init_size(size_t size) { _init_size = size; } | |
| 54 size_t max_size() const { return _max_size; } | |
| 55 void set_max_size(size_t size) { _max_size = size; } | |
| 56 | |
| 57 // Alignment | |
| 58 void align(size_t alignment) { | |
| 59 set_init_size(align_size_up(init_size(), alignment)); | |
| 60 set_max_size(align_size_up(max_size(), alignment)); | |
| 61 } | |
| 62 | |
| 63 // Return the number of regions contained in the generation which | |
| 64 // might need to be independently covered by a remembered set. | |
| 65 virtual int n_covered_regions() const { return 1; } | |
| 66 }; | |
| 67 | |
| 68 typedef GenerationSpec* GenerationSpecPtr; | |
| 69 | |
| 1972 | 70 #endif // SHARE_VM_MEMORY_GENERATIONSPEC_HPP |