1 /*
2 * Copyright (c) 2017, 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 "classfile/systemDictionary.hpp"
27 #include "gc/shared/oopStorage.inline.hpp"
28 #include "gc/shared/weakProcessor.hpp"
29 #include "prims/jvmtiExport.hpp"
30 #include "runtime/jniHandles.hpp"
31 #include "utilities/macros.hpp"
32 #if INCLUDE_JFR
33 #include "jfr/jfr.hpp"
34 #endif
35
weak_oops_do(BoolObjectClosure * is_alive,OopClosure * keep_alive)36 void WeakProcessor::weak_oops_do(BoolObjectClosure* is_alive, OopClosure* keep_alive) {
37 JNIHandles::weak_oops_do(is_alive, keep_alive);
38 JvmtiExport::weak_oops_do(is_alive, keep_alive);
39 SystemDictionary::vm_weak_oop_storage()->weak_oops_do(is_alive, keep_alive);
40 JFR_ONLY(Jfr::weak_oops_do(is_alive, keep_alive);)
41 }
42
oops_do(OopClosure * closure)43 void WeakProcessor::oops_do(OopClosure* closure) {
44 AlwaysTrueClosure always_true;
45 weak_oops_do(&always_true, closure);
46 }
47