1 | /* A Generic Optimized strlen implementation for AARCH64. |
2 | Copyright (C) 2018-2024 Free Software Foundation, Inc. |
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 |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | /* The actual strlen code is in ../strlen.S. If we are building libc this file |
20 | defines __strlen_generic. Otherwise the include of ../strlen.S will define |
21 | the normal __strlen entry points. */ |
22 | |
23 | #include <sysdep.h> |
24 | |
25 | #if IS_IN (libc) |
26 | |
27 | # define STRLEN __strlen_generic |
28 | |
29 | /* Do not hide the generic version of strlen, we use it internally. */ |
30 | # undef libc_hidden_builtin_def |
31 | # define libc_hidden_builtin_def(name) |
32 | |
33 | # ifdef SHARED |
34 | /* It doesn't make sense to send libc-internal strlen calls through a PLT. */ |
35 | .globl __GI_strlen; __GI_strlen = __strlen_generic |
36 | # endif |
37 | #endif |
38 | |
39 | #include "../strlen.S" |
40 | |