sysdeps/x86_64/wcslen.S

   1 /* wcslen dispatch for RTLD and non-multiarch build
   2    Copyright (C) 2011-2022 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #define WCSLEN  __wcslen
  20
  21 #define DEFAULT_IMPL_V1 "multiarch/wcslen-sse2.S"
  22 #define DEFAULT_IMPL_V2 "multiarch/wcslen-sse4_1.S"
  23 #define DEFAULT_IMPL_V3 "multiarch/wcslen-avx2.S"
  24 #define DEFAULT_IMPL_V4 "multiarch/wcslen-evex.S"
  25
  26 #include "isa-default-impl.h"
  27
  28 weak_alias (__wcslen, wcslen)
  29
  30 #if MINIMUM_X86_ISA_LEVEL == 2 && !IS_IN (rtld)
  31 /* Hidden def so it can be used as overflow fallback in
  32    wcsnlen-sse4_1.S.  */
  33 libc_hidden_def (__wcslen)
  34 #endif