src/share/vm/oops/oopsHierarchy.cpp

Wed, 02 Jan 2013 20:28:09 -0500

author
coleenp
date
Wed, 02 Jan 2013 20:28:09 -0500
changeset 4395
cc6a617fffd2
parent 4299
f34d701e952e
child 6876
710a3c8b516e
permissions
-rw-r--r--

8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
Summary: Relocate functions with jsr's when rewriting so not repeated after reading shared archive
Reviewed-by: twisti, jrose

duke@435 1 /*
stefank@2314 2 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 *
duke@435 5 * This code is free software; you can redistribute it and/or modify it
duke@435 6 * under the terms of the GNU General Public License version 2 only, as
duke@435 7 * published by the Free Software Foundation.
duke@435 8 *
duke@435 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 * accompanied this code).
duke@435 14 *
duke@435 15 * You should have received a copy of the GNU General Public License version
duke@435 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 *
trims@1907 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907 20 * or visit www.oracle.com if you need additional information or have any
trims@1907 21 * questions.
duke@435 22 *
duke@435 23 */
duke@435 24
stefank@2314 25 #include "precompiled.hpp"
stefank@2314 26 #include "gc_interface/collectedHeap.hpp"
stefank@2314 27 #include "gc_interface/collectedHeap.inline.hpp"
stefank@2314 28 #include "oops/oopsHierarchy.hpp"
stefank@4299 29 #include "runtime/thread.inline.hpp"
stefank@2314 30 #include "utilities/globalDefinitions.hpp"
duke@435 31
duke@435 32 #ifdef CHECK_UNHANDLED_OOPS
duke@435 33
duke@435 34 void oop::register_oop() {
duke@435 35 assert (CheckUnhandledOops, "should only call when CheckUnhandledOops");
duke@435 36 if (!Universe::is_fully_initialized()) return;
duke@435 37 // This gets expensive, which is why checking unhandled oops is on a switch.
duke@435 38 Thread* t = ThreadLocalStorage::thread();
duke@435 39 if (t != NULL && t->is_Java_thread()) {
duke@435 40 frame fr = os::current_frame();
duke@435 41 // This points to the oop creator, I guess current frame points to caller
duke@435 42 assert (fr.pc(), "should point to a vm frame");
duke@435 43 t->unhandled_oops()->register_unhandled_oop(this, fr.pc());
duke@435 44 }
duke@435 45 }
duke@435 46
duke@435 47 void oop::unregister_oop() {
duke@435 48 assert (CheckUnhandledOops, "should only call when CheckUnhandledOops");
duke@435 49 if (!Universe::is_fully_initialized()) return;
duke@435 50 // This gets expensive, which is why checking unhandled oops is on a switch.
duke@435 51 Thread* t = ThreadLocalStorage::thread();
duke@435 52 if (t != NULL && t->is_Java_thread()) {
duke@435 53 t->unhandled_oops()->unregister_unhandled_oop(this);
duke@435 54 }
duke@435 55 }
duke@435 56 #endif // CHECK_UNHANDLED_OOPS

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