/* * Copyright (c) 2015, 2019, 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_GC_Z_ZPAGETABLE_HPP #define SHARE_GC_Z_ZPAGETABLE_HPP #include "gc/z/zGranuleMap.hpp" #include "memory/allocation.hpp" class ZPage; class ZPageTable { friend class VMStructs; friend class ZPageTableIterator; private: ZGranuleMap<ZPage*> _map; public: ZPageTable(); ZPage* get(uintptr_t addr) const; void insert(ZPage* page); void remove(ZPage* page); }; class ZPageTableIterator : public StackObj { private: ZGranuleMapIterator<ZPage*> _iter; ZPage* _prev; public: ZPageTableIterator(const ZPageTable* page_table); bool next(ZPage** page); }; #endif // SHARE_GC_Z_ZPAGETABLE_HPP