gcc/libgcc/config/rs6000/atexit.c
David Edelsohn 3dee689d8f atexit.c: New file.
* config/rs6000/atexit.c: New file.
* config/rs6000/t-aix-cxa (LIB2ADDEH): Build atexit.c.
* config/rs6000/libgcc-aix-cxa.ver (atexit): Add symbol to exports.
* config/rs6000/cxa_finalize.c
(catomic_compare_and_exchange_bool_acq): Negate return value.

From-SVN: r229932
2015-11-07 09:23:32 -05:00

45 lines
1.4 KiB
C

/* Copyright (C) 1999-2015 Free Software Foundation, Inc.
NOTE: This source is derived from an old version taken from the GNU C
Library (glibc).
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 <stdlib.h>
#include "exit.h"
/* This is defined by newer gcc version unique for each module. */
extern void *__dso_handle __attribute__ ((__weak__));
/* Register FUNC to be executed by `exit'. */
int
#ifndef atexit
attribute_hidden
#endif
atexit (void (*func) (void))
{
return __cxa_atexit ((void (*) (void *)) func, NULL,
&__dso_handle == NULL ? NULL : __dso_handle);
}