1/*
2 * Copyright (c) 1997, 2013, 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 "precompiled.hpp"
26#include "memory/iterator.inline.hpp"
27#include "memory/universe.hpp"
28#include "oops/oop.inline.hpp"
29#include "utilities/debug.hpp"
30#include "utilities/globalDefinitions.hpp"
31
32void KlassToOopClosure::do_klass(Klass* k) {
33  assert(_oop_closure != NULL, "Not initialized?");
34  k->oops_do(_oop_closure);
35}
36
37void CLDToOopClosure::do_cld(ClassLoaderData* cld) {
38  cld->oops_do(_oop_closure, &_klass_closure, _must_claim_cld);
39}
40
41void CLDToKlassAndOopClosure::do_cld(ClassLoaderData* cld) {
42  cld->oops_do(_oop_closure, _klass_closure, _must_claim_cld);
43}
44
45void ObjectToOopClosure::do_object(oop obj) {
46  obj->oop_iterate(_cl);
47}
48
49void VoidClosure::do_void() {
50  ShouldNotCallThis();
51}
52
53void CodeBlobToOopClosure::do_nmethod(nmethod* nm) {
54  nm->oops_do(_cl);
55  if (_fix_relocations) {
56    nm->fix_oop_relocations();
57  }
58}
59
60void CodeBlobToOopClosure::do_code_blob(CodeBlob* cb) {
61  nmethod* nm = cb->as_nmethod_or_null();
62  if (nm != NULL) {
63    do_nmethod(nm);
64  }
65}
66
67void MarkingCodeBlobClosure::do_code_blob(CodeBlob* cb) {
68  nmethod* nm = cb->as_nmethod_or_null();
69  if (nm != NULL && !nm->test_set_oops_do_mark()) {
70    do_nmethod(nm);
71  }
72}
73
74// Generate the *Klass::oop_oop_iterate functions for the base class
75// of the oop closures. These versions use the virtual do_oop calls,
76// instead of the devirtualized do_oop_nv version.
77ALL_KLASS_OOP_OOP_ITERATE_DEFN(ExtendedOopClosure,  _v)
78
79// Generate the *Klass::oop_oop_iterate functions
80// for the NoHeaderExtendedOopClosure helper class.
81ALL_KLASS_OOP_OOP_ITERATE_DEFN(NoHeaderExtendedOopClosure, _nv)
82