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// -*- C++ -*- std::exception implementation.
// Copyright (C) 1994-2017 Free Software Foundation, Inc.
//
// This file is part of GCC.
//
// GCC is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3, or (at your option)
// any later version.
//
// GCC 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 for more details.
//
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
#include "typeinfo"
#include "exception"
#include <cxxabi.h>
std::exception::~exception() _GLIBCXX_TXN_SAFE_DYN _GLIBCXX_USE_NOEXCEPT { }
std::bad_exception::~bad_exception() _GLIBCXX_TXN_SAFE_DYN
_GLIBCXX_USE_NOEXCEPT
{ }
abi::__forced_unwind::~__forced_unwind() throw() { }
abi::__foreign_exception::~__foreign_exception() throw() { }
const char*
std::exception::what() const _GLIBCXX_TXN_SAFE_DYN _GLIBCXX_USE_NOEXCEPT
{
// NB: Another elegant option would be returning typeid(*this).name()
// and not overriding what() in bad_exception, bad_alloc, etc. In
// that case, however, mangled names would be returned, PR 14493.
return "std::exception";
}
const char*
std::bad_exception::what() const _GLIBCXX_TXN_SAFE_DYN _GLIBCXX_USE_NOEXCEPT
{
return "std::bad_exception";
}
// Transactional clones for the destructors and what().
// what() is effectively transaction_pure, but we do not want to annotate it
// as such; thus, we call exactly the respective nontransactional function.
extern "C" {
void
_ZGTtNKSt9exceptionD1Ev(const std::exception*)
{ }
const char*
_ZGTtNKSt9exception4whatEv(const std::exception* that)
{
// We really want the non-virtual call here. We already executed the
// indirect call representing the virtual call, and the TM runtime or the
// compiler resolved it to this transactional clone. In the clone, we want
// to do the same as for the nontransactional original, so we just call it.
return that->std::exception::what();
}
void
_ZGTtNKSt13bad_exceptionD1Ev(
const std::bad_exception*)
{ }
const char*
_ZGTtNKSt13bad_exception4whatEv(
const std::bad_exception* that)
{
// Also see _ZGTtNKSt9exception4whatEv.
return that->std::bad_exception::what();
}
}
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