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1 // Support routines for the -*- C++ -*- dynamic memory management.
2 // Copyright (C) 1997-2020 Free Software Foundation, Inc.
4 // This file is part of GCC.
6 // GCC is free software; you can redistribute it and/or modify
7 // it under the terms of the GNU General Public License as published by
8 // the Free Software Foundation; either version 3, or (at your option)
11 // GCC is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // Under Section 7 of GPL version 3, you are granted additional
17 // permissions described in the GCC Runtime Library Exception, version
18 // 3.1, as published by the Free Software Foundation.
20 // You should have received a copy of the GNU General Public License and
21 // a copy of the GCC Runtime Library Exception along with this program;
22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23 // <http://www.gnu.org/licenses/>.
25 #include <bits/c++config.h>
26 #include <bits/exception_defines.h>
29 extern "C" void *malloc (std::size_t);
31 _GLIBCXX_WEAK_DEFINITION
void *
32 operator new (std::size_t sz
, const std::nothrow_t
&) noexcept
34 // _GLIBCXX_RESOLVE_LIB_DEFECTS
35 // 206. operator new(size_t, nothrow) may become unlinked to ordinary
36 // operator new if ordinary version replaced
39 return ::operator new(sz
);
43 // N.B. catch (...) means the process will terminate if operator new(sz)
44 // exits with a __forced_unwind exception. The process will print
45 // "FATAL: exception not rethrown" to stderr before exiting.
47 // If we propagated that exception the process would still terminate
48 // (because this function is noexcept) but with a less informative error:
49 // "terminate called without active exception".