1 /* Multiple versions of memset.
2 Copyright (C) 2013-2017 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
19 /* Define multiple versions only for definition in libc. */
20 #if defined SHARED && IS_IN (libc)
21 /* Redefine memset so that the compiler won't complain about the type
22 mismatch with the IFUNC selector in strong_alias, below. */
24 # define memset __redirect_memset
26 # include <shlib-compat.h>
27 # include "init-arch.h"
29 extern __typeof (__redirect_memset
) __libc_memset
;
31 extern __typeof (__redirect_memset
) __memset_ppc attribute_hidden
;
32 extern __typeof (__redirect_memset
) __memset_power4 attribute_hidden
;
33 extern __typeof (__redirect_memset
) __memset_power6 attribute_hidden
;
34 extern __typeof (__redirect_memset
) __memset_power7 attribute_hidden
;
35 extern __typeof (__redirect_memset
) __memset_power8 attribute_hidden
;
37 /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
38 ifunc symbol properly. */
39 libc_ifunc (__libc_memset
,
40 (hwcap2
& PPC_FEATURE2_ARCH_2_07
)
42 (hwcap
& PPC_FEATURE_HAS_VSX
)
44 (hwcap
& PPC_FEATURE_ARCH_2_05
)
46 (hwcap
& PPC_FEATURE_POWER4
)
51 strong_alias (__libc_memset
, memset
);
52 libc_hidden_ver (__libc_memset
, memset
);