1  /* Multiple versions of strcasestr.
       2     Copyright (C) 2016-2023 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  #if IS_IN (libc)
      20  # include <string.h>
      21  # include <shlib-compat.h>
      22  # include "init-arch.h"
      23  
      24  extern __typeof (__strcasestr) __strcasestr_ppc attribute_hidden;
      25  extern __typeof (__strcasestr) __strcasestr_power8 attribute_hidden;
      26  
      27  /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
      28     ifunc symbol properly.  */
      29  libc_ifunc (__strcasestr,
      30  		(hwcap2 & PPC_FEATURE2_ARCH_2_07
      31  		 && hwcap & PPC_FEATURE_HAS_ALTIVEC)
      32  		? __strcasestr_power8
      33  		: __strcasestr_ppc);
      34  
      35  weak_alias (__strcasestr, strcasestr)
      36  #else
      37  #include <string/strcasestr.c>
      38  #endif