Mercurial > hg > graal-compiler
view src/share/vm/utilities/preserveException.cpp @ 549:fe3d7c11b4b7
6700941: G1: allocation spec missing for some G1 classes
Reviewed-by: tonyp
author | apetrusenko |
---|---|
date | Tue, 10 Feb 2009 18:39:09 +0300 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
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/* * Copyright 1998-2006 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ #include "incls/_precompiled.incl" #include "incls/_preserveException.cpp.incl" // TODO: These three classes should be refactored PreserveExceptionMark::PreserveExceptionMark(Thread*& thread) { thread = Thread::current(); _thread = thread; _preserved_exception_oop = Handle(thread, _thread->pending_exception()); _thread->clear_pending_exception(); // Needed to avoid infinite recursion _preserved_exception_line = _thread->exception_line(); _preserved_exception_file = _thread->exception_file(); } PreserveExceptionMark::~PreserveExceptionMark() { if (_thread->has_pending_exception()) { oop exception = _thread->pending_exception(); _thread->clear_pending_exception(); // Needed to avoid infinite recursion exception->print(); fatal("PreserveExceptionMark destructor expects no pending exceptions"); } if (_preserved_exception_oop() != NULL) { _thread->set_pending_exception(_preserved_exception_oop(), _preserved_exception_file, _preserved_exception_line); } } // This code is cloned from PreserveExceptionMark, except that: // returned pending exceptions do not cause a crash. // thread is passed in, not set (not a reference parameter) // and bug 6431341 has been addressed. CautiouslyPreserveExceptionMark::CautiouslyPreserveExceptionMark(Thread* thread) { _thread = thread; _preserved_exception_oop = Handle(thread, _thread->pending_exception()); _preserved_exception_line = _thread->exception_line(); _preserved_exception_file = _thread->exception_file(); _thread->clear_pending_exception(); // Pending exceptions are checked in the destructor } CautiouslyPreserveExceptionMark::~CautiouslyPreserveExceptionMark() { assert(!_thread->has_pending_exception(), "unexpected exception generated"); if (_thread->has_pending_exception()) { _thread->clear_pending_exception(); } if (_preserved_exception_oop() != NULL) { _thread->set_pending_exception(_preserved_exception_oop(), _preserved_exception_file, _preserved_exception_line); } } void WeakPreserveExceptionMark::preserve() { _preserved_exception_oop = Handle(_thread, _thread->pending_exception()); _preserved_exception_line = _thread->exception_line(); _preserved_exception_file = _thread->exception_file(); _thread->clear_pending_exception(); } void WeakPreserveExceptionMark::restore() { if (!_thread->has_pending_exception()) { _thread->set_pending_exception(_preserved_exception_oop(), _preserved_exception_file, _preserved_exception_line); } }