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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libitm/] [config/] [generic/] [tls.cc] - Rev 737

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/* Copyright (C) 2010, 2011 Free Software Foundation, Inc.
   Contributed by Richard Henderson <rth@redhat.com>.
 
   This file is part of the GNU Transactional Memory Library (libitm).
 
   Libitm 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 of the License, or
   (at your option) any later version.
 
   Libitm 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 "libitm_i.h"
 
namespace GTM HIDDEN {
 
#if !defined(HAVE_ARCH_GTM_THREAD) || !defined(HAVE_ARCH_GTM_THREAD_DISP)
__thread gtm_thread_tls _gtm_thr_tls;
#endif
 
// See tls.h for comments.
void * __attribute__((noinline))
mask_stack_bottom(gtm_thread *tx)
{
  return (uint8_t*)__builtin_dwarf_cfa() - 256;
}
 
} // namespace GTM
 

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