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/* Multiple versions of strncmp.
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
<https://www.gnu.org/licenses/>. */
/* Define multiple versions only for definition in libc. */
#if defined SHARED && IS_IN (libc)
# define strncmp __redirect_strncmp
/* Omit the strncmp inline definitions because it would redefine strncmp. */
# define __NO_STRING_INLINES
# include <string.h>
# include <shlib-compat.h>
# include "init-arch.h"
extern __typeof (strncmp) __strncmp_ppc attribute_hidden;
extern __typeof (strncmp) __strncmp_power4 attribute_hidden;
extern __typeof (strncmp) __strncmp_power7 attribute_hidden;
extern __typeof (strncmp) __strncmp_power8 attribute_hidden;
# ifdef __LITTLE_ENDIAN__
extern __typeof (strncmp) __strncmp_power9 attribute_hidden;
# endif
# undef strncmp
/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
ifunc symbol properly. */
libc_ifunc_redirected (__redirect_strncmp, strncmp,
# ifdef __LITTLE_ENDIAN__
(hwcap2 & PPC_FEATURE2_ARCH_3_00
&& hwcap & PPC_FEATURE_HAS_ALTIVEC)
? __strncmp_power9 :
# endif
(hwcap2 & PPC_FEATURE2_ARCH_2_07)
? __strncmp_power8
: (hwcap & PPC_FEATURE_ARCH_2_06)
? __strncmp_power7
: (hwcap & PPC_FEATURE_POWER4)
? __strncmp_power4
: __strncmp_ppc);
#endif
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