1/*
2 * Copyright (c) 1997, 2018, 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 "code/nmethod.hpp"
27#include "memory/iterator.inline.hpp"
28#include "oops/oop.inline.hpp"
29#include "utilities/debug.hpp"
30#include "utilities/globalDefinitions.hpp"
31
32DoNothingClosure do_nothing_cl;
33
34void CLDToOopClosure::do_cld(ClassLoaderData* cld) {
35 cld->oops_do(_oop_closure, _cld_claim);
36}
37
38void ObjectToOopClosure::do_object(oop obj) {
39 obj->oop_iterate(_cl);
40}
41
42void VoidClosure::do_void() {
43 ShouldNotCallThis();
44}
45
46void CodeBlobToOopClosure::do_nmethod(nmethod* nm) {
47 nm->oops_do(_cl);
48 if (_fix_relocations) {
49 nm->fix_oop_relocations();
50 }
51}
52
53void CodeBlobToOopClosure::do_code_blob(CodeBlob* cb) {
54 nmethod* nm = cb->as_nmethod_or_null();
55 if (nm != NULL) {
56 do_nmethod(nm);
57 }
58}
59
60void MarkingCodeBlobClosure::do_code_blob(CodeBlob* cb) {
61 nmethod* nm = cb->as_nmethod_or_null();
62 if (nm != NULL && !nm->test_set_oops_do_mark()) {
63 do_nmethod(nm);
64 }
65}
66