Mercurial > hg > truffle
view src/share/vm/gc_implementation/parallelScavenge/asPSYoungGen.hpp @ 17510:7e412f95e310
8032608: new hotspot build - hs25-b69
Reviewed-by: jcoomes
author | amurillo |
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date | Thu, 23 Jan 2014 13:53:23 -0800 |
parents | f95d63e2154a |
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/* * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_ASPSYOUNGGEN_HPP #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_ASPSYOUNGGEN_HPP #include "gc_implementation/parallelScavenge/objectStartArray.hpp" #include "gc_implementation/parallelScavenge/psVirtualspace.hpp" #include "gc_implementation/parallelScavenge/psYoungGen.hpp" #include "gc_implementation/shared/generationCounters.hpp" #include "gc_implementation/shared/mutableSpace.hpp" #include "gc_implementation/shared/spaceCounters.hpp" #include "gc_implementation/shared/spaceDecorator.hpp" class ASPSYoungGen : public PSYoungGen { friend class VMStructs; private: size_t _gen_size_limit; protected: virtual size_t available_to_live(); public: ASPSYoungGen(size_t initial_byte_size, size_t minimum_byte_size, size_t byte_size_limit); ASPSYoungGen(PSVirtualSpace* vs, size_t initial_byte_size, size_t minimum_byte_size, size_t byte_size_limit); void initialize(ReservedSpace rs, size_t alignment); void initialize_virtual_space(ReservedSpace rs, size_t alignment); size_t gen_size_limit() { return _gen_size_limit; } void set_gen_size_limit(size_t v) { _gen_size_limit = v; } bool resize_generation(size_t eden_size, size_t survivor_size); void resize_spaces(size_t eden_size, size_t survivor_size); // Adjust eden to be consistent with the virtual space. void reset_after_change(); // Adaptive size policy support // Return number of bytes that the generation can expand/contract. size_t available_for_expansion(); size_t available_for_contraction(); // Accessors void set_reserved(MemRegion v) { _reserved = v; } // Printing support virtual const char* short_name() const { return "ASPSYoungGen"; } }; #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_ASPSYOUNGGEN_HPP