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- // -*- C++ -*- std::exception implementation.
- // Copyright (C) 1994-2022 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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