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/* Provide the runtime intrastructure 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.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. 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))
#ifndef ATTRIBUTE_UNUSED
#define ATTRIBUTE_UNUSED __attribute__((unused))
#endif
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);
}
/* Provide dumy funcs for the weak ones - needed on most Darwin versions
for now. */
void _ITM_registerTMCloneTable (void *n ATTRIBUTE_UNUSED, size_t s ATTRIBUTE_UNUSED)
{}
void _ITM_deregisterTMCloneTable (void *n ATTRIBUTE_UNUSED)
{}
#endif
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