/* Multiple versions of memset. Copyright (C) 2013-2021 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 . */ /* 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 # include # 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