Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/utilities/preserveException.cpp@dc1769738300 (annotated)
src/share/vm/utilities/preserveException.cpp
Tue, 24 Jul 2018 13:22:11 +0800
- author
- aoqi
- date
- Tue, 24 Jul 2018 13:22:11 +0800
- changeset 9137
- dc1769738300
- parent 6876
- 710a3c8b516e
- permissions
- -rw-r--r--
#7048 added Loongson release info to hs_err crash files
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 1998, 2012, 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 "runtime/handles.inline.hpp" |
| aoqi@0 | 27 | #include "utilities/preserveException.hpp" |
| aoqi@0 | 28 | |
| aoqi@0 | 29 | // TODO: These three classes should be refactored |
| aoqi@0 | 30 | |
| aoqi@0 | 31 | PreserveExceptionMark::PreserveExceptionMark(Thread*& thread) { |
| aoqi@0 | 32 | thread = Thread::current(); |
| aoqi@0 | 33 | _thread = thread; |
| aoqi@0 | 34 | _preserved_exception_oop = Handle(thread, _thread->pending_exception()); |
| aoqi@0 | 35 | _preserved_exception_line = _thread->exception_line(); |
| aoqi@0 | 36 | _preserved_exception_file = _thread->exception_file(); |
| aoqi@0 | 37 | _thread->clear_pending_exception(); // Needed to avoid infinite recursion |
| aoqi@0 | 38 | } |
| aoqi@0 | 39 | |
| aoqi@0 | 40 | |
| aoqi@0 | 41 | PreserveExceptionMark::~PreserveExceptionMark() { |
| aoqi@0 | 42 | if (_thread->has_pending_exception()) { |
| aoqi@0 | 43 | oop exception = _thread->pending_exception(); |
| aoqi@0 | 44 | _thread->clear_pending_exception(); // Needed to avoid infinite recursion |
| aoqi@0 | 45 | exception->print(); |
| aoqi@0 | 46 | fatal("PreserveExceptionMark destructor expects no pending exceptions"); |
| aoqi@0 | 47 | } |
| aoqi@0 | 48 | if (_preserved_exception_oop() != NULL) { |
| aoqi@0 | 49 | _thread->set_pending_exception(_preserved_exception_oop(), _preserved_exception_file, _preserved_exception_line); |
| aoqi@0 | 50 | } |
| aoqi@0 | 51 | } |
| aoqi@0 | 52 | |
| aoqi@0 | 53 | |
| aoqi@0 | 54 | // This code is cloned from PreserveExceptionMark, except that: |
| aoqi@0 | 55 | // returned pending exceptions do not cause a crash. |
| aoqi@0 | 56 | // thread is passed in, not set (not a reference parameter) |
| aoqi@0 | 57 | // and bug 6431341 has been addressed. |
| aoqi@0 | 58 | |
| aoqi@0 | 59 | CautiouslyPreserveExceptionMark::CautiouslyPreserveExceptionMark(Thread* thread) { |
| aoqi@0 | 60 | _thread = thread; |
| aoqi@0 | 61 | _preserved_exception_oop = Handle(thread, _thread->pending_exception()); |
| aoqi@0 | 62 | _preserved_exception_line = _thread->exception_line(); |
| aoqi@0 | 63 | _preserved_exception_file = _thread->exception_file(); |
| aoqi@0 | 64 | _thread->clear_pending_exception(); // Pending exceptions are checked in the destructor |
| aoqi@0 | 65 | } |
| aoqi@0 | 66 | |
| aoqi@0 | 67 | |
| aoqi@0 | 68 | CautiouslyPreserveExceptionMark::~CautiouslyPreserveExceptionMark() { |
| aoqi@0 | 69 | assert(!_thread->has_pending_exception(), "unexpected exception generated"); |
| aoqi@0 | 70 | if (_thread->has_pending_exception()) { |
| aoqi@0 | 71 | _thread->clear_pending_exception(); |
| aoqi@0 | 72 | } |
| aoqi@0 | 73 | if (_preserved_exception_oop() != NULL) { |
| aoqi@0 | 74 | _thread->set_pending_exception(_preserved_exception_oop(), _preserved_exception_file, _preserved_exception_line); |
| aoqi@0 | 75 | } |
| aoqi@0 | 76 | } |
| aoqi@0 | 77 | |
| aoqi@0 | 78 | |
| aoqi@0 | 79 | void WeakPreserveExceptionMark::preserve() { |
| aoqi@0 | 80 | _preserved_exception_oop = Handle(_thread, _thread->pending_exception()); |
| aoqi@0 | 81 | _preserved_exception_line = _thread->exception_line(); |
| aoqi@0 | 82 | _preserved_exception_file = _thread->exception_file(); |
| aoqi@0 | 83 | _thread->clear_pending_exception(); |
| aoqi@0 | 84 | } |
| aoqi@0 | 85 | |
| aoqi@0 | 86 | void WeakPreserveExceptionMark::restore() { |
| aoqi@0 | 87 | if (!_thread->has_pending_exception()) { |
| aoqi@0 | 88 | _thread->set_pending_exception(_preserved_exception_oop(), _preserved_exception_file, _preserved_exception_line); |
| aoqi@0 | 89 | } |
| aoqi@0 | 90 | } |
