gcc/libstdc++-v3/libsupc++/new_op.cc

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// Support routines for the -*- C++ -*- dynamic memory management.
// Copyright (C) 1997-2017 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 <bits/c++config.h>
#include <cstdlib>
re PR libstdc++/36104 (gnu-versioned-namespace is broken) 2011-01-14 Benjamin Kosnik <bkoz@redhat.com> PR libstdc++/36104 * include/Makefile.am (bits_sup_headers, stamp-bits-sup): New. * include/Makefile.in: Regenerate. * libsupc++/Makefile.am (std_HEADERS, bits_HEADERS): New. (install-stdHEADERS, install-bitsHEADERS): New. * libsupc++/Makefile.in: Regenerate. * include/bits/c++config: Update for inline namespaces. * libsupc++/cxxabi-forced.h: To... * libsupc++/cxxabi_forced.h: ...this. * libsupc++/hash_bytes.h: Separate file. * libsupc++/typeinfo: Use it. * libsupc++/exception: Adjust for bits subdirectory. * libsupc++/eh_aux_runtime.cc: Same. * libsupc++/eh_ptr.cc: Same. * libsupc++/new_op.cc: Same. * libsupc++/exception_defines.h: Same. * libsupc++/nested_exception.h: Same. * libsupc++/eh_terminate.cc: Same. * libsupc++/vec.cc: Same. * libsupc++/vterminate.cc: Same. * libsupc++/exception_ptr.h: Same. * libsupc++/eh_personality.cc: Same. * libsupc++/eh_call.cc: Same. * libsupc++/new_opnt.cc: Same. * libsupc++/hash_bytes.cc: Same. * config/cpu/arm/cxxabi_tweaks.h: Same. * config/cpu/generic/cxxabi_tweaks.h: Same. * libsupc++/cxxabi.h: Same. Consolidate _GLIBCXX_NOTHROW defines. * include/std/bitset: Same. * include/ext/vstring.tcc: Same. * include/bits/hashtable.h: Same. * include/bits/functional_hash.h: Same. * include/bits/hashtable_policy.h: Same. * include/bits/basic_string.h: Same. * include/bits/istream.tcc: Same. * include/bits/ostream.tcc: Same. * include/bits/algorithmfwd.h: Same. * include/bits/basic_string.tcc: Same. * include/bits/ostream_insert.h: Same. * include/bits/fstream.tcc: Same. * include/bits/functexcept.h: Same. * doc/doxygen/user.cfg.in: Adjust names. * testsuite/ext/profile/mutex_extensions_neg.cc: Adjust line numbers. From-SVN: r168831
2011-01-15 01:27:10 +01:00
#include <bits/exception_defines.h>
#include "new"
Add support for -fno-exceptions. 2001-02-15 Benjamin Kosnik <bkoz@redhat.com> Add support for -fno-exceptions. * include/bits/exception_support.h: Remove. * include/bits/basic_string.h: Remove exception_support. (string::_M_check): Replace __OUTOFRANGE with __throw_out_of_range. (string::at): Same. (string::substr): Same. * include/bits/basic_string.tcc (string::reserve): Replace __LENGTHERROR with __throw_length_error. (string::_S_create): Same. (string::resize): Same. (string::_M_replace): Same. (string::replace): Same. (string::copy): Replace __OUTOFRANGE with __throw_out_of_range. (string::compare): Same. * include/bits/stl_vector.h: Remove exception_support. * src/Makefile.am (base_headers): Remove here. * src/Makefile.in: Regenerate. * include/bits/stl_range_errors.h: Remove. * include/bits/stl_deque.h: Use __throw_range_error. * include/bits/std_deque.h: Include functexcept.h. * include/bits/std_vector.h: Same. * src/Makefile.am (base_headers): Remove here. * src/Makefile.in: Regenerate. * include/ext/stl_bvector.h (class __BVECTOR): Use __throw_range_error. * include/ext/bvector: Remove stl_range_errors.h * include/bits/c++config (_GLIBCPP_USE_EXCEPTIONS): Remove. * include/bits/functexcept.h: New file. * src/functexcept.cc: New file. Definitions for function-based exception routines. * src/Makefile.am (sources): Add functexcept.cc. * src/Makefile.in: Regenerate. * include/bits/stl_config.h (__STL_USE_EXCEPTIONS): Wrap with __EXCEPTIONS. * include/bits/localefwd.h: Include functexcept.h. * include/bits/std_iosfwd.h: Same. * include/bits/basic_ios.h: Use __throw_ios_failure instead of throw basic_ios::failure. * include/bits/fstream.tcc (filebuf::_M_allocate_buffers): Use __throw_exception_again. (filebuf::_M_filebuf_init): Same. * include/bits/streambuf.tcc (__copy_streambufs): Same. * include/bits/ostream.tcc (ostream::operator<<): Same. * include/bits/istream.tcc (istream::operator>>): Same. * include/bits/basic_string.tcc (string::_M_mutate): Same. (string::_S_construct): Same. (string::_M_clone): Same. * include/bits/locale_facets.tcc (use_facet(const locale&)): Use __throw_bad_cast. (num_put<_CharT, _OutIter>::do_put): Use __throw_exception_again. * src/localename.cc (locale::_Imp::_Imp(const _Impl&, size_t): Use __throw_exception_again. (locale::_Imp::_Imp(string, size_t): Same. (locale::_Imp::_M_replace_facet): Use __throw_runtime_error. * src/locale.cc (locale::_M_coalesce): Use __throw_exception_again. (locale::locale(const char*)): Use __throw_runtime_error. (locale::classic): Use __throw_exception_again. (locale::_S_normalize_category): Use __throw_runtime_error. * src/stdexcept.cc: Remove cruft. * libsupc++/exception_defines.h: New file. * libsupc++/new_opnt.cc: Include exception_defines.h. * libsupc++/vec.cc: Same. (__cxa_vec_new2): Use __throw_exception_again. (__cxa_vec_new3): Same. (__cxa_vec_ctor): Same. (__cxa_vec_delete3): Same. (__cxa_vec_cctor): Same. (__cxa_vec_delete2): Same. (__cxa_vec_dtor): Same. * libsupc++/exception_support.cc: Include exception_defines.h. Only compile exception-handling bits if __EXCEPTIONS is defined. Remove old ABI support. * libsupc++/new_op.cc (new): Include exception_defines.h. Use std::__throw_bad_alloc() instead of throw bad_alloc. * libsupc++/Makefile.am: Add exception_defines.h. * libsupc++/Makefile.in: Reformat. * libsupc++/*: Format. From-SVN: r39730
2001-02-16 01:44:44 +01:00
using std::new_handler;
using std::bad_alloc;
#if _GLIBCXX_HOSTED
using std::malloc;
#else
// A freestanding C runtime may not provide "malloc" -- but there is no
// other reasonable way to implement "operator new".
extern "C" void *malloc (std::size_t);
#endif
_GLIBCXX_WEAK_DEFINITION void *
operator new (std::size_t sz) _GLIBCXX_THROW (std::bad_alloc)
{
void *p;
/* malloc (0) is unpredictable; avoid it. */
if (sz == 0)
sz = 1;
while (__builtin_expect ((p = malloc (sz)) == 0, false))
{
new_handler handler = std::get_new_handler ();
if (! handler)
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_GLIBCXX_THROW_OR_ABORT(bad_alloc());
handler ();
}
return p;
}