/*
 * Copyright (c) 2019, 2021, Red Hat, Inc. All rights reserved.
 * Copyright Amazon.com Inc. 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_GC_SHENANDOAH_SHENANDOAHROOTVERIFIER_HPP
#define SHARE_GC_SHENANDOAH_SHENANDOAHROOTVERIFIER_HPP

#include "memory/allocation.hpp"
#include "memory/iterator.hpp"

class ShenandoahGCStateResetter : public StackObj {
private:
  ShenandoahHeap* const _heap;
  const char _saved_gc_state;
  const bool _saved_gc_state_changed;

public:
  ShenandoahGCStateResetter();
  ~ShenandoahGCStateResetter();
};

class ShenandoahRootVerifier : public AllStatic {
public:
  // Used to seed ShenandoahVerifier, do not honor root type filter
  static void roots_do(OopIterateClosure* cl);
  static void strong_roots_do(OopIterateClosure* cl);
};

#endif // SHARE_GC_SHENANDOAH_SHENANDOAHROOTVERIFIER_HPP