92 lines
2.5 KiB
C++
92 lines
2.5 KiB
C++
// Copyright (C) 2009-2013 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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#include <typeinfo>
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#include <exception>
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#include "unwind.h"
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#include <testsuite_hooks.h>
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// Before exception_ptr was introduced, some programs copied
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// part of unwind-cxx.h and used __cxa_get_globals to get at the
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// current exceptionType. __cxa_exception structure is described in the
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// C++ ABI, so they have the right to assume it works.
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// Ensure it is true.
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struct __cxa_exception
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{
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std::type_info *exceptionType;
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void (*exceptionDestructor)(void *);
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std::unexpected_handler unexpectedHandler;
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std::terminate_handler terminateHandler;
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__cxa_exception *nextException;
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int handlerCount;
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#ifdef __ARM_EABI_UNWINDER__
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__cxa_exception* nextPropagatingException;
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int propagationCount;
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#else
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int handlerSwitchValue;
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const unsigned char *actionRecord;
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const unsigned char *languageSpecificData;
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_Unwind_Ptr catchTemp;
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void *adjustedPtr;
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#endif
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_Unwind_Exception unwindHeader;
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};
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struct __cxa_eh_globals
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{
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__cxa_exception *caughtExceptions;
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unsigned int uncaughtExceptions;
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#ifdef __ARM_EABI_UNWINDER__
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__cxa_exception* propagatingExceptions;
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#endif
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};
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extern "C" __cxa_eh_globals *__cxa_get_globals () throw();
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// PR libstdc++/38732
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void test01 ()
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{
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bool test __attribute__((unused)) = true;
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try {
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throw 0;
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} catch(...) {
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__cxa_exception *exc = __cxa_get_globals()->caughtExceptions;
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VERIFY ( exc != 0 );
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VERIFY ( typeid(int) == *exc->exceptionType );
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}
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try {
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throw 0LL;
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} catch(...) {
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__cxa_exception *exc = __cxa_get_globals()->caughtExceptions;
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VERIFY ( exc != 0 );
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VERIFY ( typeid(long long int) == *exc->exceptionType );
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}
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try {
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throw 0.0;
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} catch(...) {
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__cxa_exception *exc = __cxa_get_globals()->caughtExceptions;
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VERIFY ( exc != 0 );
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VERIFY ( typeid(double) == *exc->exceptionType );
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}
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}
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int main ()
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{
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test01 ();
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}
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