mirror of git://gcc.gnu.org/git/gcc.git
87 lines
2.7 KiB
C++
87 lines
2.7 KiB
C++
// -*- C++ -*- std::exception implementation.
|
|
// Copyright (C) 1994-2016 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();
|
|
}
|
|
|
|
}
|