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Datei: zNMethod.hpp Sprache: C

/*
* Copyright (c) 2017, 2022, 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_ZNMETHOD_HPP
#define SHARE_GC_Z_ZNMETHOD_HPP

#include "memory/allStatic.hpp"

class nmethod;
class NMethodClosure;
class ZReentrantLock;
class ZWorkers;

class ZNMethod : public AllStatic {
private:
  static void attach_gc_data(nmethod* nm);

  static void log_register(const nmethod* nm);
  static void log_unregister(const nmethod* nm);

public:
  static void register_nmethod(nmethod* nm);
  static void unregister_nmethod(nmethod* nm);

  static bool supports_entry_barrier(nmethod* nm);

  static bool is_armed(nmethod* nm);
  static void disarm(nmethod* nm);
  static void arm(nmethod* nm, int arm_value);

  static void nmethod_oops_do(nmethod* nm, OopClosure* cl);
  static void nmethod_oops_do_inner(nmethod* nm, OopClosure* cl);

  static void nmethod_oops_barrier(nmethod* nm);

  static void nmethods_do_begin();
  static void nmethods_do_end();
  static void nmethods_do(NMethodClosure* cl);

  static ZReentrantLock* lock_for_nmethod(nmethod* nm);

  static void unlink(ZWorkers* workers, bool unloading_occurred);
  static void purge();
};

#endif // SHARE_GC_Z_ZNMETHOD_HPP

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