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