/* Provide the runtime infrastructure for the transactional memory lib.
   Copyright (C) 2011 Free Software Foundation, Inc.
   Contributed by Iain Sandoe <iains@gcc.gnu.org>

   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 <mach-o/dyld.h>

/* not listed in mach-o/dyld.h for some reason.  */
extern char * getsectdata (const char*,const char*,unsigned long*); 

#define WEAK __attribute__((weak))

extern void _ITM_registerTMCloneTable (void *, size_t) WEAK;
extern void _ITM_deregisterTMCloneTable (void *) WEAK;

#ifdef START

void __doTMRegistrations (void) __attribute__ ((constructor));

void __doTMRegistrations (void)
{
  char * tm_clone_table_sect_data;
  unsigned long tmct_siz;
  
  tm_clone_table_sect_data = getsectdata ("__DATA",
					  "__tm_clone_table",
					  &tmct_siz);
  tmct_siz /= (sizeof (size_t) * 2);
  if (_ITM_registerTMCloneTable != NULL
      && tm_clone_table_sect_data != NULL
      && tmct_siz > 0)
    _ITM_registerTMCloneTable (tm_clone_table_sect_data, (size_t)tmct_siz);
}

#endif

#ifdef END

void __doTMdeRegistrations (void) __attribute__ ((destructor));

void __doTMdeRegistrations (void)
{
  char * tm_clone_table_sect_data;
  unsigned long tmct_siz;
  
  tm_clone_table_sect_data = getsectdata ("__DATA",
					  "__tm_clone_table",
					  &tmct_siz);
  
  if (_ITM_deregisterTMCloneTable != NULL
      && tm_clone_table_sect_data != NULL
      && tmct_siz > 0)
    _ITM_deregisterTMCloneTable (tm_clone_table_sect_data);

}

#endif