1 /*

     2  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    24 

    25 #ifndef SHARE_VM_GC_G1_G1CODEBLOBCLOSURE_HPP

    26 #define SHARE_VM_GC_G1_G1CODEBLOBCLOSURE_HPP

    27 

    28 #include "gc/g1/g1CollectedHeap.hpp"

    29 #include "memory/iterator.hpp"

    30 

    31 class nmethod;

    32 

    33 class G1CodeBlobClosure : public CodeBlobClosure {

    34   class HeapRegionGatheringOopClosure : public OopClosure {

    35     G1CollectedHeap* _g1h;

    36     OopClosure* _work;

    37     nmethod* _nm;

    38 

    39     template <typename T>

    40     void do_oop_work(T* p);

    41 

    42   public:

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

    44 

    45     void do_oop(oop* o);

    46     void do_oop(narrowOop* o);

    47 

    48     void set_nm(nmethod* nm) {

    49       _nm = nm;

    50     }

    51   };

    52 

    53   HeapRegionGatheringOopClosure _oc;

    54 public:

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

    56 

    57   void do_code_blob(CodeBlob* cb);

    58 };

    59 

    60 #endif // SHARE_VM_GC_G1_G1CODEBLOBCLOSURE_HPP

    61