75 lines
2.6 KiB
C++
75 lines
2.6 KiB
C++
/*
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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_ZNMETHODTABLE_HPP
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#define SHARE_GC_Z_ZNMETHODTABLE_HPP
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#include "gc/z/zNMethodTableIteration.hpp"
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#include "gc/z/zSafeDelete.hpp"
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#include "memory/allocation.hpp"
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class nmethod;
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class NMethodClosure;
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class ZNMethodTableEntry;
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class ZWorkers;
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class ZNMethodTable : public AllStatic {
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private:
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static ZNMethodTableEntry* _table;
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static size_t _size;
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static size_t _nregistered;
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static size_t _nunregistered;
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static ZNMethodTableIteration _iteration;
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static ZSafeDeleteNoLock<ZNMethodTableEntry[]> _safe_delete;
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static ZNMethodTableEntry* create(size_t size);
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static void destroy(ZNMethodTableEntry* table);
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static size_t first_index(const nmethod* nm, size_t size);
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static size_t next_index(size_t prev_index, size_t size);
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static bool register_entry(ZNMethodTableEntry* table, size_t size, nmethod* nm);
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static void unregister_entry(ZNMethodTableEntry* table, size_t size, nmethod* nm);
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static void rebuild(size_t new_size);
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static void rebuild_if_needed();
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public:
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static size_t registered_nmethods();
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static size_t unregistered_nmethods();
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static void register_nmethod(nmethod* nm);
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static void unregister_nmethod(nmethod* nm);
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static void wait_until_iteration_done();
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static void nmethods_do_begin();
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static void nmethods_do_end();
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static void nmethods_do(NMethodClosure* cl);
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static void unlink(ZWorkers* workers, bool unloading_occurred);
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static void purge(ZWorkers* workers);
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};
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#endif // SHARE_GC_Z_ZNMETHODTABLE_HPP
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