aoqi@0: /*
aoqi@0:  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  *
aoqi@0:  */
aoqi@0: 
aoqi@0: #include "precompiled.hpp"
aoqi@0: #include "gc_interface/collectedHeap.hpp"
aoqi@0: #include "gc_interface/collectedHeap.inline.hpp"
aoqi@0: #include "oops/oopsHierarchy.hpp"
aoqi@0: #include "runtime/thread.inline.hpp"
aoqi@0: #include "utilities/globalDefinitions.hpp"
aoqi@0: 
aoqi@0: #ifdef CHECK_UNHANDLED_OOPS
aoqi@0: 
aoqi@0: void oop::register_oop() {
aoqi@0:   assert (CheckUnhandledOops, "should only call when CheckUnhandledOops");
aoqi@0:   if (!Universe::is_fully_initialized()) return;
aoqi@0:   // This gets expensive, which is why checking unhandled oops is on a switch.
aoqi@0:   Thread* t = ThreadLocalStorage::thread();
aoqi@0:   if (t != NULL && t->is_Java_thread()) {
aoqi@0:      frame fr = os::current_frame();
aoqi@0:      // This points to the oop creator, I guess current frame points to caller
aoqi@0:      assert (fr.pc(), "should point to a vm frame");
aoqi@0:      t->unhandled_oops()->register_unhandled_oop(this, fr.pc());
aoqi@0:   }
aoqi@0: }
aoqi@0: 
aoqi@0: void oop::unregister_oop() {
aoqi@0:   assert (CheckUnhandledOops, "should only call when CheckUnhandledOops");
aoqi@0:   if (!Universe::is_fully_initialized()) return;
aoqi@0:   // This gets expensive, which is why checking unhandled oops is on a switch.
aoqi@0:   Thread* t = ThreadLocalStorage::thread();
aoqi@0:   if (t != NULL && t->is_Java_thread()) {
aoqi@0:     t->unhandled_oops()->unregister_unhandled_oop(this);
aoqi@0:   }
aoqi@0: }
aoqi@0: #endif // CHECK_UNHANDLED_OOPS