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+// Support routines for the -*- C++ -*- dynamic memory management.
+
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2004
+// 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 2, 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.
+//
+// You should have received a copy of the GNU General Public License
+// along with GCC; see the file COPYING. If not, write to
+// the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+// Boston, MA 02110-1301, USA.
+//
+// As a special exception, you may use this file as part of a free software
+// library without restriction. Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License. This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+#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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