1 /* 2 * Copyright (c) 2005, 2010, 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. 22 * 23 */ 24 25 #include "precompiled.hpp" 26 #include "gc_interface/collectedHeap.hpp" 27 #include "gc_interface/collectedHeap.inline.hpp" 28 #include "oops/oopsHierarchy.hpp" 29 #include "runtime/thread.hpp" 30 #include "utilities/globalDefinitions.hpp" 31 #ifdef TARGET_OS_FAMILY_linux 32 # include "thread_linux.inline.hpp" 33 #endif 34 #ifdef TARGET_OS_FAMILY_solaris 35 # include "thread_solaris.inline.hpp" 36 #endif 37 #ifdef TARGET_OS_FAMILY_windows 38 # include "thread_windows.inline.hpp" 39 #endif 40 41 #ifdef CHECK_UNHANDLED_OOPS 42 43 void oop::register_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 frame fr = os::current_frame(); 50 // This points to the oop creator, I guess current frame points to caller 51 assert (fr.pc(), "should point to a vm frame"); 52 t->unhandled_oops()->register_unhandled_oop(this, fr.pc()); 53 } 54 } 55 56 void oop::unregister_oop() { 57 assert (CheckUnhandledOops, "should only call when CheckUnhandledOops"); 58 if (!Universe::is_fully_initialized()) return; 59 // This gets expensive, which is why checking unhandled oops is on a switch. 60 Thread* t = ThreadLocalStorage::thread(); 61 if (t != NULL && t->is_Java_thread()) { 62 t->unhandled_oops()->unregister_unhandled_oop(this); 63 } 64 } 65 #endif // CHECK_UNHANDLED_OOPS