1 /* Multiple versions of memcpy.
2    All versions must be listed in ifunc-impl-list.c.
3    Copyright (C) 2017-2022 Free Software Foundation, Inc.
4    This file is part of the GNU C Library.
5 
6    The GNU C Library is free software; you can redistribute it and/or
7    modify it under the terms of the GNU Lesser General Public
8    License as published by the Free Software Foundation; either
9    version 2.1 of the License, or (at your option) any later version.
10 
11    The GNU C Library is distributed in the hope that it will be useful,
12    but WITHOUT ANY WARRANTY; without even the implied warranty of
13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14    Lesser General Public License for more details.
15 
16    You should have received a copy of the GNU Lesser General Public
17    License along with the GNU C Library; if not, see
18    <https://www.gnu.org/licenses/>.  */
19 
20 /* Define multiple versions only for the definition in lib and for
21    DSO.  In static binaries we need memcpy before the initialization
22    happened.  */
23 #if defined SHARED && IS_IN (libc)
24 # define memcpy __redirect_memcpy
25 # include <string.h>
26 # undef memcpy
27 
28 # define SYMBOL_NAME memcpy
29 # include "ifunc-memmove.h"
30 
31 libc_ifunc_redirected (__redirect_memcpy, memcpy, IFUNC_SELECTOR ());
32 #endif
33