oopsHierarchy.cpp revision 1472:c18cbe5936b8 
1/*
2 * Copyright (c) 2005, 2006, 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 "incls/_precompiled.incl"
26# include "incls/_oopsHierarchy.cpp.incl"
27
28#ifdef CHECK_UNHANDLED_OOPS
29
30void oop::register_oop() {
31  assert (CheckUnhandledOops, "should only call when CheckUnhandledOops");
32  if (!Universe::is_fully_initialized()) return;
33  // This gets expensive, which is why checking unhandled oops is on a switch.
34  Thread* t = ThreadLocalStorage::thread();
35  if (t != NULL && t->is_Java_thread()) {
36     frame fr = os::current_frame();
37     // This points to the oop creator, I guess current frame points to caller
38     assert (fr.pc(), "should point to a vm frame");
39     t->unhandled_oops()->register_unhandled_oop(this, fr.pc());
40  }
41}
42
43void oop::unregister_oop() {
44  assert (CheckUnhandledOops, "should only call when CheckUnhandledOops");
45  if (!Universe::is_fully_initialized()) return;
46  // This gets expensive, which is why checking unhandled oops is on a switch.
47  Thread* t = ThreadLocalStorage::thread();
48  if (t != NULL && t->is_Java_thread()) {
49    t->unhandled_oops()->unregister_unhandled_oop(this);
50  }
51}
52#endif // CHECK_UNHANDLED_OOPS
53