src/hotspot/share/jfr/leakprofiler/chains/rootSetClosure.hpp
author stefank
Sat, 26 May 2018 06:59:49 +0200
changeset 50752 9d62da00bf15
parent 50113 caf115bb98ad
child 53244 9807daeb47c4
permissions -rw-r--r--
8204540: Automatic oop closure devirtualization Reviewed-by: kbarrett, eosterlund

/*
 * Copyright (c) 2014, 2018, 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
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#ifndef SHARE_VM_JFR_LEAKPROFILER_CHAINS_ROOTSETCLOSURE_HPP
#define SHARE_VM_JFR_LEAKPROFILER_CHAINS_ROOTSETCLOSURE_HPP

#include "memory/iterator.hpp"
#include "oops/oop.hpp"

class EdgeQueue;

class RootSetClosure: public BasicOopIterateClosure {
 private:
  RootSetClosure(EdgeQueue* edge_queue);
  EdgeQueue* _edge_queue;
  void closure_impl(const oop* reference, const oop pointee);
 public:
  static void add_to_queue(EdgeQueue* edge_queue);
  static void process_roots(OopClosure* closure);

  virtual void do_oop(oop* reference);
  virtual void do_oop(narrowOop* reference);
};

#endif // SHARE_VM_JFR_LEAKPROFILER_CHAINS_ROOTSETCLOSURE_HPP