Current File : //glibc-2.29/sysdeps/aarch64/multiarch/memset.c
/* Multiple versions of memset. AARCH64 version.
Copyright (C) 2017-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
/* Define multiple versions only for the definition in libc. */
#if IS_IN (libc)
/* Redefine memset so that the compiler won't complain about the type
mismatch with the IFUNC selector in strong_alias, below. */
# undef memset
# define memset __redirect_memset
# include <string.h>
# include <init-arch.h>
extern __typeof (__redirect_memset) __libc_memset;
extern __typeof (__redirect_memset) __memset_falkor attribute_hidden;
extern __typeof (__redirect_memset) __memset_generic attribute_hidden;
libc_ifunc (__libc_memset,
((IS_FALKOR (midr) || IS_PHECDA (midr)) && zva_size == 64
? __memset_falkor
: __memset_generic));
# undef memset
strong_alias (__libc_memset, memset);
#endif
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