Mercurial > hg > truffle
annotate src/share/vm/utilities/preserveException.hpp @ 4978:99d3d8a72252
More ifdef GRAAL usage.
| author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
|---|---|
| date | Mon, 27 Feb 2012 18:31:27 +0100 |
| parents | f08d439fab8c |
| children | f34d701e952e |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 1972 | 2 * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_UTILITIES_PRESERVEEXCEPTION_HPP |
| 26 #define SHARE_VM_UTILITIES_PRESERVEEXCEPTION_HPP | |
| 27 | |
| 28 #include "runtime/handles.hpp" | |
| 29 #ifdef TARGET_OS_FAMILY_linux | |
| 30 # include "thread_linux.inline.hpp" | |
| 31 #endif | |
| 32 #ifdef TARGET_OS_FAMILY_solaris | |
| 33 # include "thread_solaris.inline.hpp" | |
| 34 #endif | |
| 35 #ifdef TARGET_OS_FAMILY_windows | |
| 36 # include "thread_windows.inline.hpp" | |
| 37 #endif | |
| 3960 | 38 #ifdef TARGET_OS_FAMILY_bsd |
| 39 # include "thread_bsd.inline.hpp" | |
| 40 #endif | |
| 1972 | 41 |
| 0 | 42 // This file provides more support for exception handling; see also exceptions.hpp |
| 43 class PreserveExceptionMark { | |
| 44 private: | |
| 45 Thread* _thread; | |
| 46 Handle _preserved_exception_oop; | |
| 47 int _preserved_exception_line; | |
| 48 const char* _preserved_exception_file; | |
| 49 | |
| 50 public: | |
| 51 PreserveExceptionMark(Thread*& thread); | |
| 52 ~PreserveExceptionMark(); | |
| 53 }; | |
| 54 | |
| 55 | |
| 56 // This is a clone of PreserveExceptionMark which asserts instead | |
| 57 // of failing when what it wraps generates a pending exception. | |
| 58 // It also addresses bug 6431341. | |
| 59 class CautiouslyPreserveExceptionMark { | |
| 60 private: | |
| 61 Thread* _thread; | |
| 62 Handle _preserved_exception_oop; | |
| 63 int _preserved_exception_line; | |
| 64 const char* _preserved_exception_file; | |
| 65 | |
| 66 public: | |
| 67 CautiouslyPreserveExceptionMark(Thread* thread); | |
| 68 ~CautiouslyPreserveExceptionMark(); | |
| 69 }; | |
| 70 | |
| 71 | |
| 72 // Like PreserveExceptionMark but allows new exceptions to be generated in | |
| 73 // the body of the mark. If a new exception is generated then the original one | |
| 74 // is discarded. | |
| 75 class WeakPreserveExceptionMark { | |
| 76 private: | |
| 77 Thread* _thread; | |
| 78 Handle _preserved_exception_oop; | |
| 79 int _preserved_exception_line; | |
| 80 const char* _preserved_exception_file; | |
| 81 | |
| 82 void preserve(); | |
| 83 void restore(); | |
| 84 | |
| 85 public: | |
| 86 WeakPreserveExceptionMark(Thread* pThread) : _thread(pThread), _preserved_exception_oop() { | |
| 87 if (pThread->has_pending_exception()) { | |
| 88 preserve(); | |
| 89 } | |
| 90 } | |
| 91 ~WeakPreserveExceptionMark() { | |
| 92 if (_preserved_exception_oop.not_null()) { | |
| 93 restore(); | |
| 94 } | |
| 95 } | |
| 96 }; | |
| 97 | |
| 98 | |
| 99 | |
| 100 // use global exception mark when allowing pending exception to be set and | |
| 101 // saving and restoring them | |
| 102 #define PRESERVE_EXCEPTION_MARK Thread* THREAD; PreserveExceptionMark __em(THREAD); | |
| 1972 | 103 |
| 104 #endif // SHARE_VM_UTILITIES_PRESERVEEXCEPTION_HPP |