| /* Multiple versions of memset. |
| Copyright (C) 2013-2018 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/>. */ |
| |
| /* Define multiple versions only for definition in libc. */ |
| #if defined SHARED && IS_IN (libc) |
| /* Redefine memset so that the compiler won't complain about the type |
| mismatch with the IFUNC selector in strong_alias, below. */ |
| # undef memset |
| # define memset __redirect_memset |
| # include <string.h> |
| # include <shlib-compat.h> |
| # include "init-arch.h" |
| |
| extern __typeof (__redirect_memset) __libc_memset; |
| |
| extern __typeof (__redirect_memset) __memset_ppc attribute_hidden; |
| extern __typeof (__redirect_memset) __memset_power4 attribute_hidden; |
| extern __typeof (__redirect_memset) __memset_power6 attribute_hidden; |
| extern __typeof (__redirect_memset) __memset_power7 attribute_hidden; |
| extern __typeof (__redirect_memset) __memset_power8 attribute_hidden; |
| |
| /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle |
| ifunc symbol properly. */ |
| libc_ifunc (__libc_memset, |
| (hwcap2 & PPC_FEATURE2_ARCH_2_07) |
| ? __memset_power8 : |
| (hwcap & PPC_FEATURE_HAS_VSX) |
| ? __memset_power7 : |
| (hwcap & PPC_FEATURE_ARCH_2_05) |
| ? __memset_power6 : |
| (hwcap & PPC_FEATURE_POWER4) |
| ? __memset_power4 |
| : __memset_ppc); |
| |
| #undef memset |
| strong_alias (__libc_memset, memset); |
| libc_hidden_ver (__libc_memset, memset); |
| #endif |
