g1CodeBlobClosure.hpp revision 8946:ceb9d9044fc8 
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#include "gc/g1/g1CollectedHeap.hpp"
26#include "memory/iterator.hpp"
27
28class nmethod;
29
30class G1CodeBlobClosure : public CodeBlobClosure {
31  class HeapRegionGatheringOopClosure : public OopClosure {
32    G1CollectedHeap* _g1h;
33    OopClosure* _work;
34    nmethod* _nm;
35
36    template <typename T>
37    void do_oop_work(T* p);
38
39  public:
40    HeapRegionGatheringOopClosure(OopClosure* oc) : _g1h(G1CollectedHeap::heap()), _work(oc), _nm(NULL) {}
41
42    void do_oop(oop* o);
43    void do_oop(narrowOop* o);
44
45    void set_nm(nmethod* nm) {
46      _nm = nm;
47    }
48  };
49
50  HeapRegionGatheringOopClosure _oc;
51public:
52  G1CodeBlobClosure(OopClosure* oc) : _oc(oc) {}
53
54  void do_code_blob(CodeBlob* cb);
55};
56