author | pliden |
Mon, 18 Mar 2019 11:50:40 +0100 | |
changeset 54170 | 8f1771ea1e39 |
parent 54162 | f344a0c6e19e |
child 54735 | a9f729b641a3 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2017, 2019, 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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#ifndef SHARE_GC_Z_ZGRANULEMAP_HPP |
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#define SHARE_GC_Z_ZGRANULEMAP_HPP |
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#include "memory/allocation.hpp" |
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template<typename T> |
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class ZGranuleMapIterator; |
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template <typename T> |
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class ZGranuleMap { |
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friend class VMStructs; |
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friend class ZGranuleMapIterator<T>; |
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private: |
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T* const _map; |
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size_t index_for_addr(uintptr_t addr) const; |
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size_t size() const; |
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public: |
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ZGranuleMap(); |
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~ZGranuleMap(); |
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T get(uintptr_t addr) const; |
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void put(uintptr_t addr, T value); |
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void put(uintptr_t addr, size_t size, T value); |
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}; |
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template <typename T> |
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class ZGranuleMapIterator : public StackObj { |
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public: |
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const ZGranuleMap<T>* const _map; |
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size_t _next; |
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ZGranuleMapIterator(const ZGranuleMap<T>* map); |
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bool next(T* value); |
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bool next(T** value); |
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}; |
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#endif // SHARE_GC_Z_ZGRANULEMAP_HPP |