1  /* Multiple versions of rawmemchr.
       2     Copyright (C) 2013-2023 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  # define __rawmemchr __redirect___rawmemchr
      21  # include <string.h>
      22  # include <shlib-compat.h>
      23  # include "init-arch.h"
      24  
      25  extern __typeof (__rawmemchr) __rawmemchr_ppc attribute_hidden;
      26  extern __typeof (__rawmemchr) __rawmemchr_power7 attribute_hidden;
      27  # ifdef __LITTLE_ENDIAN__
      28  extern __typeof (__rawmemchr) __rawmemchr_power9 attribute_hidden;
      29  extern __typeof (__rawmemchr) __rawmemchr_power10 attribute_hidden;
      30  # endif
      31  
      32  # undef __rawmemchr
      33  
      34  /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
      35     ifunc symbol properly.  */
      36  libc_ifunc_redirected (__redirect___rawmemchr, __rawmemchr,
      37  # ifdef __LITTLE_ENDIAN__
      38  		     (hwcap2 & PPC_FEATURE2_ARCH_3_1)
      39  		     && (hwcap & PPC_FEATURE_HAS_VSX)
      40  		     ? __rawmemchr_power10 :
      41  		       (hwcap2 & PPC_FEATURE2_ARCH_3_00
      42  			&& hwcap & PPC_FEATURE_HAS_VSX)
      43  		       ? __rawmemchr_power9 :
      44  # endif
      45  		         (hwcap & PPC_FEATURE_ARCH_2_06)
      46  		         ? __rawmemchr_power7
      47  		       : __rawmemchr_ppc);
      48  
      49  weak_alias (__rawmemchr, rawmemchr)
      50  #else
      51  #include <string/rawmemchr.c>
      52  #endif