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src/hotspot/share/gc/z/zForwardingTable.hpp
author pliden
Mon, 18 Mar 2019 11:50:39 +0100
changeset 54162 f344a0c6e19e
parent 53244 9807daeb47c4
child 54163 790679f86a51
permissions -rw-r--r--
8220587: ZGC: Break out forwarding information from ZPage Reviewed-by: stefank, eosterlund
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/*
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 * Copyright (c) 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_ZFORWARDINGTABLE_HPP













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#define SHARE_GC_Z_ZFORWARDINGTABLE_HPP








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#include "gc/z/zGranuleMap.hpp"








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class ZForwarding;








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class ZForwardingTable {













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private:








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  ZGranuleMap<ZForwarding*> _map;








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public:













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  ZForwardingTable();













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  ZForwarding* get(uintptr_t addr) const;








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  void insert(uintptr_t start,













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              size_t size,













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              size_t object_alignment_shift,













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              uint32_t live_objects);













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  void clear();








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};













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#endif // SHARE_GC_Z_ZFORWARDINGTABLE_HPP















jdk-sandbox