72 lines
2.9 KiB
C++
72 lines
2.9 KiB
C++
/*
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* Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_ASPSOLDGEN_HPP
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#define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_ASPSOLDGEN_HPP
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#include "gc_implementation/parallelScavenge/objectStartArray.hpp"
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#include "gc_implementation/parallelScavenge/psOldGen.hpp"
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#include "gc_implementation/parallelScavenge/psVirtualspace.hpp"
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#include "gc_implementation/shared/generationCounters.hpp"
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#include "gc_implementation/shared/mutableSpace.hpp"
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#include "gc_implementation/shared/spaceCounters.hpp"
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class ASPSOldGen : public PSOldGen {
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friend class VMStructs;
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size_t _gen_size_limit; // Largest size the generation's reserved size
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// can grow.
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public:
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ASPSOldGen(size_t initial_byte_size,
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size_t minimum_byte_size,
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size_t byte_size_limit,
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const char* gen_name, int level);
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ASPSOldGen(PSVirtualSpace* vs,
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size_t initial_byte_size,
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size_t minimum_byte_size,
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size_t byte_size_limit,
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const char* gen_name, int level);
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size_t gen_size_limit() { return _gen_size_limit; }
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size_t max_gen_size() { return _reserved.byte_size(); }
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void set_gen_size_limit(size_t v) { _gen_size_limit = v; }
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virtual void initialize_work(const char* perf_data_name, int level);
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// After a shrink or expand reset the generation
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void reset_after_change();
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// Return number of bytes that the virtual space in the generation is willing
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// to expand or contract. The results from these methods should feed into the
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// decisions about adjusting the virtual space.
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size_t available_for_expansion();
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size_t available_for_contraction();
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// Accessors
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void set_reserved(MemRegion v) { _reserved = v; }
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// Debugging support
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virtual const char* short_name() const { return "ASPSOldGen"; }
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};
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#endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_ASPSOLDGEN_HPP
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