diff options
Diffstat (limited to 'sysdeps/aarch64/multiarch/memcpy_generic.S')
| -rw-r--r-- | sysdeps/aarch64/multiarch/memcpy_generic.S | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/sysdeps/aarch64/multiarch/memcpy_generic.S b/sysdeps/aarch64/multiarch/memcpy_generic.S new file mode 100644 index 0000000000..4bc81f4ce5 --- /dev/null +++ b/sysdeps/aarch64/multiarch/memcpy_generic.S @@ -0,0 +1,44 @@ +/* A Generic Optimized memcpy implementation for AARCH64. + Copyright (C) 2017-2018 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/>. */ + +/* The actual memcpy and memmove code is in ../memcpy.S. If we are + building libc this file defines __memcpy_generic and __memmove_generic. + Otherwise the include of ../memcpy.S will define the normal __memcpy + and__memmove entry points. */ + +#include <sysdep.h> + +#if IS_IN (libc) + +# define MEMCPY __memcpy_generic +# define MEMMOVE __memmove_generic + +/* Do not hide the generic versions of memcpy and memmove, we use them + internally. */ +# undef libc_hidden_builtin_def +# define libc_hidden_builtin_def(name) + +# ifdef SHARED +/* It doesn't make sense to send libc-internal memcpy calls through a PLT. */ + .globl __GI_memcpy; __GI_memcpy = __memcpy_generic + .globl __GI_memmove; __GI_memmove = __memmove_generic +# endif + +#endif + +#include "../memcpy.S" |