1// Boilerplate support routines for -*- C++ -*- dynamic memory management. 2 3// Copyright (C) 1997-2020 Free Software Foundation, Inc. 4// 5// This file is part of GCC. 6// 7// GCC is free software; you can redistribute it and/or modify 8// it under the terms of the GNU General Public License as published by 9// the Free Software Foundation; either version 3, or (at your option) 10// any later version. 11// 12// GCC is distributed in the hope that it will be useful, 13// but WITHOUT ANY WARRANTY; without even the implied warranty of 14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15// GNU General Public License for more details. 16// 17// Under Section 7 of GPL version 3, you are granted additional 18// permissions described in the GCC Runtime Library Exception, version 19// 3.1, as published by the Free Software Foundation. 20 21// You should have received a copy of the GNU General Public License and 22// a copy of the GCC Runtime Library Exception along with this program; 23// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 24// <http://www.gnu.org/licenses/>. 25 26#include <bits/c++config.h> 27 28#if !_GLIBCXX_HOSTED 29// A freestanding C runtime may not provide "free" -- but there is no 30// other reasonable way to implement "operator delete". 31namespace std 32{ 33_GLIBCXX_BEGIN_NAMESPACE_VERSION 34 extern "C" void free(void*); 35_GLIBCXX_END_NAMESPACE_VERSION 36} // namespace 37#else 38# include <cstdlib> 39#endif 40 41#include "new" 42 43_GLIBCXX_WEAK_DEFINITION void 44operator delete (void *ptr, const std::nothrow_t&) noexcept 45{ 46 // _GLIBCXX_RESOLVE_LIB_DEFECTS 47 // 206. operator new(size_t, nothrow) may become unlinked to ordinary 48 // operator new if ordinary version replaced 49 ::operator delete (ptr); 50} 51