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comparison src/share/vm/oops/oopsHierarchy.cpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children c18cbe5936b8
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 2005-2006 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 # include "incls/_precompiled.incl"
26 # include "incls/_oopsHierarchy.cpp.incl"
27
28 #ifdef CHECK_UNHANDLED_OOPS
29
30 void 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
43 void 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