src/hotspot/share/code/codeBehaviours.hpp
author eosterlund
Thu, 22 Nov 2018 09:55:44 +0100
changeset 52660 9cb53c505acd
parent 52384 d6dc479bcdd3
permissions -rw-r--r--
8214056: Allow the GC to attach context information to CompiledMethod Reviewed-by: shade, kvn, adinn
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/*
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 * Copyright (c) 2018, 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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 */
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#ifndef SHARE_CODE_CODEBEHAVIOURS_HPP
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#define SHARE_CODE_CODEBEHAVIOURS_HPP
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#include "memory/allocation.hpp"
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class CompiledMethod;
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class CompiledICProtectionBehaviour {
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  static CompiledICProtectionBehaviour* _current;
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public:
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  virtual bool lock(CompiledMethod* method) = 0;
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  virtual void unlock(CompiledMethod* method) = 0;
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  virtual bool is_safe(CompiledMethod* method) = 0;
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  static CompiledICProtectionBehaviour* current() { return _current; }
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  static void set_current(CompiledICProtectionBehaviour* current) { _current = current; }
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};
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class DefaultICProtectionBehaviour: public CompiledICProtectionBehaviour, public CHeapObj<mtInternal> {
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  virtual bool lock(CompiledMethod* method);
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  virtual void unlock(CompiledMethod* method);
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  virtual bool is_safe(CompiledMethod* method);
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};
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#endif // SHARE_CODE_CODEBEHAVIOURS_HPP