| 1 | /* Multiple versions of memcpy. |
|---|---|
| 2 | All versions must be listed in ifunc-impl-list.c. |
| 3 | Copyright (C) 2017-2024 Free Software Foundation, Inc. |
| 4 | This file is part of the GNU C Library. |
| 5 | |
| 6 | The GNU C Library is free software; you can redistribute it and/or |
| 7 | modify it under the terms of the GNU Lesser General Public |
| 8 | License as published by the Free Software Foundation; either |
| 9 | version 2.1 of the License, or (at your option) any later version. |
| 10 | |
| 11 | The GNU C Library is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | Lesser General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU Lesser General Public |
| 17 | License along with the GNU C Library; if not, see |
| 18 | <https://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | /* Define multiple versions only for the definition in libc. */ |
| 21 | #if IS_IN (libc) |
| 22 | # define memcpy __redirect_memcpy |
| 23 | # include <string.h> |
| 24 | # undef memcpy |
| 25 | |
| 26 | # define SYMBOL_NAME memcpy |
| 27 | # include "ifunc-memmove.h" |
| 28 | |
| 29 | libc_ifunc_redirected (__redirect_memcpy, __new_memcpy, |
| 30 | IFUNC_SELECTOR ()); |
| 31 | |
| 32 | # ifdef SHARED |
| 33 | __hidden_ver1 (__new_memcpy, __GI_memcpy, __redirect_memcpy) |
| 34 | __attribute__ ((visibility ("hidden"))); |
| 35 | # endif |
| 36 | |
| 37 | # include <shlib-compat.h> |
| 38 | versioned_symbol (libc, __new_memcpy, memcpy, GLIBC_2_14); |
| 39 | #endif |
| 40 |