diff options
Diffstat (limited to 'sysdeps/x86_64/multiarch/memchr.c')
| -rw-r--r-- | sysdeps/x86_64/multiarch/memchr.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/sysdeps/x86_64/multiarch/memchr.c b/sysdeps/x86_64/multiarch/memchr.c new file mode 100644 index 0000000000..92aaf61605 --- /dev/null +++ b/sysdeps/x86_64/multiarch/memchr.c @@ -0,0 +1,35 @@ +/* Multiple versions of memchr + All versions must be listed in ifunc-impl-list.c. + Copyright (C) 2017 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) +# define memchr __redirect_memchr +# include <string.h> +# undef memchr + +# define SYMBOL_NAME memchr +# include "ifunc-avx2.h" + +libc_ifunc_redirected (__redirect_memchr, memchr, IFUNC_SELECTOR ()); +strong_alias (memchr, __memchr) +# ifdef SHARED +__hidden_ver1 (memchr, __GI_memchr, __redirect_memchr) + __attribute__((visibility ("hidden"))); +# endif +#endif |