1/* A Generic Optimized memcpy implementation for AARCH64. 2 Copyright (C) 2017-2022 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 memcpy and memmove code is in ../memcpy.S. If we are 20 building libc this file defines __memcpy_generic and __memmove_generic. 21 Otherwise the include of ../memcpy.S will define the normal __memcpy 22 and__memmove entry points. */ 23 24#include <sysdep.h> 25 26#if IS_IN (libc) 27 28# define MEMCPY __memcpy_generic 29# define MEMMOVE __memmove_generic 30 31/* Do not hide the generic versions of memcpy and memmove, we use them 32 internally. */ 33# undef libc_hidden_builtin_def 34# define libc_hidden_builtin_def(name) 35 36# ifdef SHARED 37/* It doesn't make sense to send libc-internal memcpy calls through a PLT. */ 38 .globl __GI_memcpy; __GI_memcpy = __memcpy_generic 39 .globl __GI_memmove; __GI_memmove = __memmove_generic 40# endif 41 42#endif 43 44#include "../memcpy.S" 45