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/* wcsnlen dispatch for RTLD and non-multiarch .c files
Copyright (C) 2022-2023 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/>. */
/* wcsnlen non-multiarch build is split into two files,
wcsnlen-generic.c and wcsnlen.S. The wcsnlen.S build is for
ISA level >= 2 uses the optimized assembly implementations in
multiarch/wcsnlen*.S. This must be split into two files because
we cannot include C code from assembly or vice versa. */
#include <isa-level.h>
#if MINIMUM_X86_ISA_LEVEL >= 2
# define WCSNLEN __wcsnlen
/* This symbol must stay linked to the name in wcslen.S. */
#if IS_IN (rtld)
# define OVERFLOW_STRLEN __wcslen
#else
# define OVERFLOW_STRLEN HIDDEN_JUMPTARGET (__wcslen)
#endif
# define DEFAULT_IMPL_V2 "multiarch/wcsnlen-sse4_1.S"
# define DEFAULT_IMPL_V3 "multiarch/wcsnlen-avx2.S"
# define DEFAULT_IMPL_V4 "multiarch/wcsnlen-evex.S"
/* isa-default-impl.h expects DEFAULT_IMPL_V1 to be defined but it
should never be used from here. */
# define DEFAULT_IMPL_V1 "ERROR -- Invalid ISA IMPL"
# include "isa-default-impl.h"
weak_alias (__wcsnlen, wcsnlen)
libc_hidden_def (__wcsnlen)
#endif
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