2b0b8ab2a6
libgcc: * config/darwin-crt-tm.c: Correct comments, use correct licence. From-SVN: r181765
78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
/* Provide the runtime infrastructure for the transactional memory lib.
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Copyright (C) 2011 Free Software Foundation, Inc.
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Contributed by Iain Sandoe <iains@gcc.gnu.org>
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#include <mach-o/dyld.h>
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/* not listed in mach-o/dyld.h for some reason. */
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extern char * getsectdata (const char*,const char*,unsigned long*);
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#define WEAK __attribute__((weak))
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extern void _ITM_registerTMCloneTable (void *, size_t) WEAK;
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extern void _ITM_deregisterTMCloneTable (void *) WEAK;
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#ifdef START
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void __doTMRegistrations (void) __attribute__ ((constructor));
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void __doTMRegistrations (void)
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{
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char * tm_clone_table_sect_data;
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unsigned long tmct_siz;
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tm_clone_table_sect_data = getsectdata ("__DATA",
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"__tm_clone_table",
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&tmct_siz);
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tmct_siz /= (sizeof (size_t) * 2);
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if (_ITM_registerTMCloneTable != NULL
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&& tm_clone_table_sect_data != NULL
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&& tmct_siz > 0)
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_ITM_registerTMCloneTable (tm_clone_table_sect_data, (size_t)tmct_siz);
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}
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#endif
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#ifdef END
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void __doTMdeRegistrations (void) __attribute__ ((destructor));
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void __doTMdeRegistrations (void)
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{
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char * tm_clone_table_sect_data;
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unsigned long tmct_siz;
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tm_clone_table_sect_data = getsectdata ("__DATA",
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"__tm_clone_table",
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&tmct_siz);
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if (_ITM_deregisterTMCloneTable != NULL
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&& tm_clone_table_sect_data != NULL
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&& tmct_siz > 0)
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_ITM_deregisterTMCloneTable (tm_clone_table_sect_data);
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}
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#endif
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