mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-29 16:21:07 +00:00
6a2c695266
* sysdeps/aarch64/memcpy.S (MEMMOVE, MEMCPY): New macros. (memmove): Use MEMMOVE for name. (memcpy): Use MEMCPY for name. Change internal labels to external labels. * sysdeps/aarch64/multiarch/Makefile: New file. * sysdeps/aarch64/multiarch/ifunc-impl-list.c: Likewise. * sysdeps/aarch64/multiarch/init-arch.h: Likewise. * sysdeps/aarch64/multiarch/memcpy.c: Likewise. * sysdeps/aarch64/multiarch/memcpy_generic.S: Likewise. * sysdeps/aarch64/multiarch/memcpy_thunderx.S: Likewise. * sysdeps/aarch64/multiarch/memmove.c: Likewise.
40 lines
1.5 KiB
C
40 lines
1.5 KiB
C
/* Multiple versions of memmove. AARCH64 version.
|
|
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)
|
|
/* Redefine memmove so that the compiler won't complain about the type
|
|
mismatch with the IFUNC selector in strong_alias, below. */
|
|
# undef memmove
|
|
# define memmove __redirect_memmove
|
|
# include <string.h>
|
|
# include <init-arch.h>
|
|
|
|
extern __typeof (__redirect_memmove) __libc_memmove;
|
|
|
|
extern __typeof (__redirect_memmove) __memmove_generic attribute_hidden;
|
|
extern __typeof (__redirect_memmove) __memmove_thunderx attribute_hidden;
|
|
|
|
libc_ifunc (__libc_memmove,
|
|
IS_THUNDERX (midr) ? __memmove_thunderx : __memmove_generic);
|
|
|
|
# undef memmove
|
|
strong_alias (__libc_memmove, memmove);
|
|
#endif
|