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5a67c4fa | 1 | /* Multiple versions of memset. AARCH64 version. |
04277e02 | 2 | Copyright (C) 2017-2019 Free Software Foundation, Inc. |
5a67c4fa SP |
3 | This file is part of the GNU C Library. |
4 | ||
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. | |
9 | ||
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. | |
14 | ||
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/>. */ | |
18 | ||
19 | /* Define multiple versions only for the definition in libc. */ | |
20 | ||
21 | #if IS_IN (libc) | |
22 | /* Redefine memset so that the compiler won't complain about the type | |
23 | mismatch with the IFUNC selector in strong_alias, below. */ | |
24 | # undef memset | |
25 | # define memset __redirect_memset | |
26 | # include <string.h> | |
27 | # include <init-arch.h> | |
28 | ||
29 | extern __typeof (__redirect_memset) __libc_memset; | |
30 | ||
31 | extern __typeof (__redirect_memset) __memset_falkor attribute_hidden; | |
c7d3890f | 32 | extern __typeof (__redirect_memset) __memset_emag attribute_hidden; |
5a67c4fa SP |
33 | extern __typeof (__redirect_memset) __memset_generic attribute_hidden; |
34 | ||
fc2ba803 HZ |
35 | libc_ifunc (__libc_memset, |
36 | ((IS_FALKOR (midr) || IS_PHECDA (midr)) && zva_size == 64 | |
37 | ? __memset_falkor | |
c7d3890f FX |
38 | : (IS_EMAG (midr) && zva_size == 64 |
39 | ? __memset_emag | |
40 | : __memset_generic))); | |
5a67c4fa SP |
41 | |
42 | # undef memset | |
43 | strong_alias (__libc_memset, memset); | |
44 | #endif |