sysdeps/s390/ifunc-wcsncpy.h

   1 /* wcsncpy variant information on S/390 version.
   2    Copyright (C) 2018-2019 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_Z13_ZARCH_ASM_SUPPORT
  21 # define HAVE_WCSNCPY_IFUNC     1
  22 #else
  23 # define HAVE_WCSNCPY_IFUNC     0
  24 #endif
  25
  26 #ifdef HAVE_S390_VX_ASM_SUPPORT
  27 # define HAVE_WCSNCPY_IFUNC_AND_VX_SUPPORT HAVE_WCSNCPY_IFUNC
  28 #else
  29 # define HAVE_WCSNCPY_IFUNC_AND_VX_SUPPORT 0
  30 #endif
  31
  32 #if defined HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT
  33 # define WCSNCPY_DEFAULT        WCSNCPY_Z13
  34 /* The z13 ifunc variant is using the common code variant as fallback!  */
  35 # define HAVE_WCSNCPY_C         1
  36 # define HAVE_WCSNCPY_Z13       1
  37 #else
  38 # define WCSNCPY_DEFAULT        WCSNCPY_C
  39 # define HAVE_WCSNCPY_C         1
  40 # define HAVE_WCSNCPY_Z13       HAVE_WCSNCPY_IFUNC_AND_VX_SUPPORT
  41 #endif
  42
  43 #if HAVE_WCSNCPY_C
  44 # define WCSNCPY_C              __wcsncpy_c
  45 #else
  46 # define WCSNCPY_C              NULL
  47 #endif
  48
  49 #if HAVE_WCSNCPY_Z13
  50 # define WCSNCPY_Z13            __wcsncpy_vx
  51 #else
  52 # define WCSNCPY_Z13            NULL
  53 #endif