diff options
Diffstat (limited to 'sysdeps/aarch64/multiarch/strlen_generic.S')
| -rw-r--r-- | sysdeps/aarch64/multiarch/strlen_generic.S | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/sysdeps/aarch64/multiarch/strlen_generic.S b/sysdeps/aarch64/multiarch/strlen_generic.S new file mode 100644 index 0000000000..014e376ec1 --- /dev/null +++ b/sysdeps/aarch64/multiarch/strlen_generic.S @@ -0,0 +1,39 @@ +/* A Generic Optimized strlen implementation for AARCH64. + Copyright (C) 2018-2022 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 + <https://www.gnu.org/licenses/>. */ + +/* The actual strlen code is in ../strlen.S. If we are building libc this file + defines __strlen_generic. Otherwise the include of ../strlen.S will define + the normal __strlen entry points. */ + +#include <sysdep.h> + +#if IS_IN (libc) + +# define STRLEN __strlen_generic + +/* Do not hide the generic version of strlen, we use it internally. */ +# undef libc_hidden_builtin_def +# define libc_hidden_builtin_def(name) + +# ifdef SHARED +/* It doesn't make sense to send libc-internal strlen calls through a PLT. */ + .globl __GI_strlen; __GI_strlen = __strlen_generic +# endif +#endif + +#include "../strlen.S" |