diff options
Diffstat (limited to 'REORG.TODO/sysdeps/powerpc/powerpc64/multiarch/memcmp.c')
-rw-r--r-- | REORG.TODO/sysdeps/powerpc/powerpc64/multiarch/memcmp.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/powerpc/powerpc64/multiarch/memcmp.c b/REORG.TODO/sysdeps/powerpc/powerpc64/multiarch/memcmp.c new file mode 100644 index 0000000000..0d315d5e70 --- /dev/null +++ b/REORG.TODO/sysdeps/powerpc/powerpc64/multiarch/memcmp.c @@ -0,0 +1,44 @@ +/* Multiple versions of memcmp. PowerPC64 version. + 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 IS_IN (libc) +# define memcmp __redirect_memcmp +# include <string.h> +# include <shlib-compat.h> +# include "init-arch.h" + +extern __typeof (memcmp) __memcmp_ppc attribute_hidden; +extern __typeof (memcmp) __memcmp_power4 attribute_hidden; +extern __typeof (memcmp) __memcmp_power7 attribute_hidden; +extern __typeof (memcmp) __memcmp_power8 attribute_hidden; +# undef memcmp + +/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle + ifunc symbol properly. */ +libc_ifunc_redirected (__redirect_memcmp, memcmp, + (hwcap2 & PPC_FEATURE2_ARCH_2_07) + ? __memcmp_power8 : + (hwcap & PPC_FEATURE_HAS_VSX) + ? __memcmp_power7 + : (hwcap & PPC_FEATURE_POWER4) + ? __memcmp_power4 + : __memcmp_ppc); +#else +#include <string/memcmp.c> +#endif |