Wed, 27 Apr 2016 01:25:04 +0800
Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | * |
aoqi@0 | 23 | */ |
aoqi@0 | 24 | |
aoqi@0 | 25 | #include "precompiled.hpp" |
aoqi@0 | 26 | #include "gc_interface/collectedHeap.hpp" |
aoqi@0 | 27 | #include "gc_interface/collectedHeap.inline.hpp" |
aoqi@0 | 28 | #include "oops/oopsHierarchy.hpp" |
aoqi@0 | 29 | #include "runtime/thread.inline.hpp" |
aoqi@0 | 30 | #include "utilities/globalDefinitions.hpp" |
aoqi@0 | 31 | |
aoqi@0 | 32 | #ifdef CHECK_UNHANDLED_OOPS |
aoqi@0 | 33 | |
aoqi@0 | 34 | void oop::register_oop() { |
aoqi@0 | 35 | assert (CheckUnhandledOops, "should only call when CheckUnhandledOops"); |
aoqi@0 | 36 | if (!Universe::is_fully_initialized()) return; |
aoqi@0 | 37 | // This gets expensive, which is why checking unhandled oops is on a switch. |
aoqi@0 | 38 | Thread* t = ThreadLocalStorage::thread(); |
aoqi@0 | 39 | if (t != NULL && t->is_Java_thread()) { |
aoqi@0 | 40 | frame fr = os::current_frame(); |
aoqi@0 | 41 | // This points to the oop creator, I guess current frame points to caller |
aoqi@0 | 42 | assert (fr.pc(), "should point to a vm frame"); |
aoqi@0 | 43 | t->unhandled_oops()->register_unhandled_oop(this, fr.pc()); |
aoqi@0 | 44 | } |
aoqi@0 | 45 | } |
aoqi@0 | 46 | |
aoqi@0 | 47 | void oop::unregister_oop() { |
aoqi@0 | 48 | assert (CheckUnhandledOops, "should only call when CheckUnhandledOops"); |
aoqi@0 | 49 | if (!Universe::is_fully_initialized()) return; |
aoqi@0 | 50 | // This gets expensive, which is why checking unhandled oops is on a switch. |
aoqi@0 | 51 | Thread* t = ThreadLocalStorage::thread(); |
aoqi@0 | 52 | if (t != NULL && t->is_Java_thread()) { |
aoqi@0 | 53 | t->unhandled_oops()->unregister_unhandled_oop(this); |
aoqi@0 | 54 | } |
aoqi@0 | 55 | } |
aoqi@0 | 56 | #endif // CHECK_UNHANDLED_OOPS |