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https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
Subversion Repositories openrisc_2011-10-31
[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc3/] [libstdc++-v3/] [libsupc++/] [new_op.cc] - Rev 424
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// Support routines for the -*- C++ -*- dynamic memory management. // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2004, 2009 // Free Software Foundation // // 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> #include <exception_defines.h> #include "new" 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 extern new_handler __new_handler; _GLIBCXX_WEAK_DEFINITION void * operator new (std::size_t sz) throw (std::bad_alloc) { void *p; /* malloc (0) is unpredictable; avoid it. */ if (sz == 0) sz = 1; p = (void *) malloc (sz); while (p == 0) { new_handler handler = __new_handler; if (! handler) #ifdef __EXCEPTIONS throw bad_alloc(); #else std::abort(); #endif handler (); p = (void *) malloc (sz); } return p; }
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