/*

 * Copyright (c) 2015, 2019, 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_GC_G1_G1CODEBLOBCLOSURE_HPP

#define SHARE_GC_G1_G1CODEBLOBCLOSURE_HPP

#include "gc/g1/g1CollectedHeap.hpp"

#include "memory/iterator.hpp"

class nmethod;

class G1CodeBlobClosure : public CodeBlobClosure {

  class HeapRegionGatheringOopClosure : public OopClosure {

    G1CollectedHeap* _g1h;

    OopClosure* _work;

    nmethod* _nm;

    template <typename T>

    void do_oop_work(T* p);

  public:

    HeapRegionGatheringOopClosure(OopClosure* oc) : _g1h(G1CollectedHeap::heap()), _work(oc), _nm(NULL) {}

    void do_oop(oop* o);

    void do_oop(narrowOop* o);

    void set_nm(nmethod* nm) {

      _nm = nm;

    }

  };

  HeapRegionGatheringOopClosure _oc;

public:

  G1CodeBlobClosure(OopClosure* oc) : _oc(oc) {}

  void do_code_blob(CodeBlob* cb);

};

#endif // SHARE_GC_G1_G1CODEBLOBCLOSURE_HPP