Mercurial > hg > truffle
annotate src/share/vm/gc_implementation/parallelScavenge/asPSOldGen.hpp @ 17524:89152779163c
Merge with jdk8-b132
| author | Gilles Duboscq <duboscq@ssw.jku.at> |
|---|---|
| date | Wed, 15 Oct 2014 11:59:32 +0200 |
| parents | 4ca6dc0799b6 |
| children |
| rev | line source |
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| 0 | 1 /* |
| 17524 | 2 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_ASPSOLDGEN_HPP |
| 26 #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_ASPSOLDGEN_HPP | |
| 27 | |
| 28 #include "gc_implementation/parallelScavenge/objectStartArray.hpp" | |
| 29 #include "gc_implementation/parallelScavenge/psOldGen.hpp" | |
| 30 #include "gc_implementation/parallelScavenge/psVirtualspace.hpp" | |
| 31 #include "gc_implementation/shared/generationCounters.hpp" | |
| 32 #include "gc_implementation/shared/mutableSpace.hpp" | |
| 33 #include "gc_implementation/shared/spaceCounters.hpp" | |
| 34 | |
| 0 | 35 class ASPSOldGen : public PSOldGen { |
| 36 friend class VMStructs; | |
| 37 size_t _gen_size_limit; // Largest size the generation's reserved size | |
| 38 // can grow. | |
| 39 public: | |
| 40 ASPSOldGen(size_t initial_byte_size, | |
| 41 size_t minimum_byte_size, | |
| 42 size_t byte_size_limit, | |
| 43 const char* gen_name, int level); | |
| 44 ASPSOldGen(PSVirtualSpace* vs, | |
| 45 size_t initial_byte_size, | |
| 46 size_t minimum_byte_size, | |
| 47 size_t byte_size_limit, | |
| 48 const char* gen_name, int level); | |
| 49 size_t gen_size_limit() { return _gen_size_limit; } | |
| 50 size_t max_gen_size() { return _reserved.byte_size(); } | |
| 51 void set_gen_size_limit(size_t v) { _gen_size_limit = v; } | |
| 52 | |
| 11038 | 53 virtual void initialize_work(const char* perf_data_name, int level); |
| 54 | |
| 0 | 55 // After a shrink or expand reset the generation |
| 56 void reset_after_change(); | |
| 57 | |
| 58 // Return number of bytes that the virtual space in the generation is willing | |
| 59 // to expand or contract. The results from these methods should feed into the | |
| 60 // decisions about adjusting the virtual space. | |
| 61 size_t available_for_expansion(); | |
| 62 size_t available_for_contraction(); | |
| 63 | |
| 64 // Accessors | |
| 65 void set_reserved(MemRegion v) { _reserved = v; } | |
| 66 | |
| 67 // Debugging support | |
| 68 virtual const char* short_name() const { return "ASPSOldGen"; } | |
| 69 }; | |
| 1972 | 70 |
| 71 #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_ASPSOLDGEN_HPP |