diff options
Diffstat (limited to 'REORG.TODO/sysdeps/powerpc/powerpc64/multiarch/memset.c')
| -rw-r--r-- | REORG.TODO/sysdeps/powerpc/powerpc64/multiarch/memset.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/powerpc/powerpc64/multiarch/memset.c b/REORG.TODO/sysdeps/powerpc/powerpc64/multiarch/memset.c new file mode 100644 index 0000000000..a5d9b3e60e --- /dev/null +++ b/REORG.TODO/sysdeps/powerpc/powerpc64/multiarch/memset.c @@ -0,0 +1,53 @@ +/* Multiple versions of memset. + Copyright (C) 2013-2017 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 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 |