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 "gc/shared/collectedHeap.hpp"
27 #include "gc/shared/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
34 void 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 = Thread::current_or_null();
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
47 void 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 = Thread::current_or_null();
52 if (t != NULL && t->is_Java_thread()) {
53 t->unhandled_oops()->unregister_unhandled_oop(this);
54 }
55 }
56 #endif // CHECK_UNHANDLED_OOPS
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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 "gc/shared/barrierSet.hpp"
27 #include "gc/shared/collectedHeap.hpp"
28 #include "gc/shared/collectedHeap.inline.hpp"
29 #include "oops/oopsHierarchy.hpp"
30 #include "runtime/thread.inline.hpp"
31 #include "utilities/globalDefinitions.hpp"
32
33 #ifdef CHECK_UNHANDLED_OOPS
34
35 void oop::register_oop() {
36 assert (CheckUnhandledOops, "should only call when CheckUnhandledOops");
37 if (!Universe::is_fully_initialized()) return;
38 // This gets expensive, which is why checking unhandled oops is on a switch.
39 Thread* t = Thread::current_or_null();
40 if (t != NULL && t->is_Java_thread()) {
41 frame fr = os::current_frame();
42 // This points to the oop creator, I guess current frame points to caller
43 assert (fr.pc(), "should point to a vm frame");
44 t->unhandled_oops()->register_unhandled_oop(this, fr.pc());
45 }
46 }
47
48 void oop::unregister_oop() {
49 assert (CheckUnhandledOops, "should only call when CheckUnhandledOops");
50 if (!Universe::is_fully_initialized()) return;
51 // This gets expensive, which is why checking unhandled oops is on a switch.
52 Thread* t = Thread::current_or_null();
53 if (t != NULL && t->is_Java_thread()) {
54 t->unhandled_oops()->unregister_unhandled_oop(this);
55 }
56 }
57
58 bool oop::operator==(const oop o) const {
59 BarrierSet::barrier_set()->verify_equals(this, o);
60 return obj() == o.obj();
61 }
62
63 bool oop::operator!=(const volatile oop o) const {
64 BarrierSet::barrier_set()->verify_equals(this, o);
65 return obj() != o.obj();
66 }
67
68 #endif // CHECK_UNHANDLED_OOPS
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