sysdeps/s390/ifunc-strstr.h

   1 /* strstr variant information on S/390 version.
   2    Copyright (C) 2018-2020 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 defined USE_MULTIARCH && IS_IN (libc)               \
  20   && ! defined HAVE_S390_MIN_ARCH13_ZARCH_ASM_SUPPORT
  21 # define HAVE_STRSTR_IFUNC      1
  22 #else
  23 # define HAVE_STRSTR_IFUNC      0
  24 #endif
  25
  26 #ifdef HAVE_S390_VX_ASM_SUPPORT
  27 # define HAVE_STRSTR_IFUNC_AND_VX_SUPPORT HAVE_STRSTR_IFUNC
  28 #else
  29 # define HAVE_STRSTR_IFUNC_AND_VX_SUPPORT 0
  30 #endif
  31
  32 #ifdef HAVE_S390_ARCH13_ASM_SUPPORT
  33 # define HAVE_STRSTR_IFUNC_AND_ARCH13_SUPPORT HAVE_STRSTR_IFUNC
  34 #else
  35 # define HAVE_STRSTR_IFUNC_AND_ARCH13_SUPPORT 0
  36 #endif
  37
  38 #if defined HAVE_S390_MIN_ARCH13_ZARCH_ASM_SUPPORT
  39 # define STRSTR_DEFAULT         STRSTR_ARCH13
  40 # define HAVE_STRSTR_C          0
  41 # define HAVE_STRSTR_Z13        1
  42 # define STRSTR_Z13_ONLY_USED_AS_FALLBACK 1
  43 # define HAVE_STRSTR_ARCH13     1
  44 #elif defined HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT
  45 # define STRSTR_DEFAULT         STRSTR_Z13
  46 # define HAVE_STRSTR_C          0
  47 # define HAVE_STRSTR_Z13        1
  48 # define HAVE_STRSTR_ARCH13     HAVE_STRSTR_IFUNC_AND_ARCH13_SUPPORT
  49 #else
  50 # define STRSTR_DEFAULT         STRSTR_C
  51 # define HAVE_STRSTR_C          1
  52 # define HAVE_STRSTR_Z13        HAVE_STRSTR_IFUNC_AND_VX_SUPPORT
  53 # define HAVE_STRSTR_ARCH13     HAVE_STRSTR_IFUNC_AND_ARCH13_SUPPORT
  54 #endif
  55
  56 #ifndef STRSTR_Z13_ONLY_USED_AS_FALLBACK
  57 # define STRSTR_Z13_ONLY_USED_AS_FALLBACK 0
  58 #endif
  59
  60 #if HAVE_STRSTR_C
  61 # define STRSTR_C               __strstr_c
  62 #else
  63 # define STRSTR_C               NULL
  64 #endif
  65
  66 #if HAVE_STRSTR_Z13
  67 # define STRSTR_Z13             __strstr_vx
  68 #else
  69 # define STRSTR_Z13             NULL
  70 #endif
  71
  72 #if HAVE_STRSTR_ARCH13
  73 # define STRSTR_ARCH13          __strstr_arch13
  74 #else
  75 # define STRSTR_ARCH13          NULL
  76 #endif