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17762f66 | 1 | /* Multiple versions of memmove. PowerPC64 version. |
d614a753 | 2 | Copyright (C) 2014-2020 Free Software Foundation, Inc. |
17762f66 AZ |
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 | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
17762f66 AZ |
18 | |
19 | /* Define multiple versions only for the definition in lib and for | |
20 | DSO. In static binaries we need memmove before the initialization | |
21 | happened. */ | |
4f41c682 | 22 | #if defined SHARED && IS_IN (libc) |
17762f66 AZ |
23 | /* Redefine memmove so that the compiler won't complain about the type |
24 | mismatch with the IFUNC selector in strong_alias, below. */ | |
25 | # undef memmove | |
26 | # define memmove __redirect_memmove | |
27 | # include <string.h> | |
28 | # include "init-arch.h" | |
29 | ||
30 | extern __typeof (__redirect_memmove) __libc_memmove; | |
31 | ||
32 | extern __typeof (__redirect_memmove) __memmove_ppc attribute_hidden; | |
33 | extern __typeof (__redirect_memmove) __memmove_power7 attribute_hidden; | |
34 | ||
35 | libc_ifunc (__libc_memmove, | |
36 | (hwcap & PPC_FEATURE_HAS_VSX) | |
37 | ? __memmove_power7 | |
38 | : __memmove_ppc); | |
39 | ||
40 | #undef memmove | |
41 | strong_alias (__libc_memmove, memmove); | |
42 | libc_hidden_ver (__libc_memmove, memmove); | |
43 | #else | |
44 | # include <string/memmove.c> | |
45 | #endif |