oopsHierarchy.cpp revision 3864:f34d701e952e 
1/*
2 * Copyright (c) 2005, 2010, 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.
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23 */
24
25#include "precompiled.hpp"
26#include "gc_interface/collectedHeap.hpp"
27#include "gc_interface/collectedHeap.inline.hpp"
28#include "oops/oopsHierarchy.hpp"
29#include "runtime/thread.inline.hpp"
30#include "utilities/globalDefinitions.hpp"
31
32#ifdef CHECK_UNHANDLED_OOPS
33
34void oop::register_oop() {
35  assert (CheckUnhandledOops, "should only call when CheckUnhandledOops");
36  if (!Universe::is_fully_initialized()) return;
37  // This gets expensive, which is why checking unhandled oops is on a switch.
38  Thread* t = ThreadLocalStorage::thread();
39  if (t != NULL && t->is_Java_thread()) {
40     frame fr = os::current_frame();
41     // This points to the oop creator, I guess current frame points to caller
42     assert (fr.pc(), "should point to a vm frame");
43     t->unhandled_oops()->register_unhandled_oop(this, fr.pc());
44  }
45}
46
47void oop::unregister_oop() {
48  assert (CheckUnhandledOops, "should only call when CheckUnhandledOops");
49  if (!Universe::is_fully_initialized()) return;
50  // This gets expensive, which is why checking unhandled oops is on a switch.
51  Thread* t = ThreadLocalStorage::thread();
52  if (t != NULL && t->is_Java_thread()) {
53    t->unhandled_oops()->unregister_unhandled_oop(this);
54  }
55}
56#endif // CHECK_UNHANDLED_OOPS
57