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/* 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
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