sysdeps/sparc/sparc64/multiarch/ifunc-impl-list.c

   1 /* Enumerate available IFUNC implementations of a function.  sparc version.
   2    Copyright (C) 2012-2015 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    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <assert.h>
  20 #include <string.h>
  21 #include <wchar.h>
  22 #include <ldsodefs.h>
  23 #include <sysdep.h>
  24 #include <ifunc-impl-list.h>
  25
  26 /* Fill ARRAY of MAX elements with IFUNC implementations for function
  27    NAME and return the number of valid entries.  */
  28
  29 size_t
  30 __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
  31                         size_t max)
  32 {
  33   size_t i = 0;
  34   int hwcap;
  35
  36   hwcap = GLRO(dl_hwcap);
  37
  38   IFUNC_IMPL (i, name, memcpy,
  39               IFUNC_IMPL_ADD (array, i, memcpy, hwcap & HWCAP_SPARC_CRYPTO,
  40                               __memcpy_niagara4)
  41               IFUNC_IMPL_ADD (array, i, memcpy, hwcap & HWCAP_SPARC_N2,
  42                               __memcpy_niagara2)
  43               IFUNC_IMPL_ADD (array, i, memcpy, hwcap & HWCAP_SPARC_BLKINIT,
  44                               __memcpy_niagara1)
  45               IFUNC_IMPL_ADD (array, i, memcpy, hwcap & HWCAP_SPARC_ULTRA3,
  46                               __memcpy_ultra3)
  47               IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_ultra1));
  48
  49   IFUNC_IMPL (i, name, mempcpy,
  50               IFUNC_IMPL_ADD (array, i, mempcpy, hwcap & HWCAP_SPARC_CRYPTO,
  51                               __mempcpy_niagara4)
  52               IFUNC_IMPL_ADD (array, i, mempcpy, hwcap & HWCAP_SPARC_N2,
  53                               __mempcpy_niagara2)
  54               IFUNC_IMPL_ADD (array, i, mempcpy, hwcap & HWCAP_SPARC_BLKINIT,
  55                               __mempcpy_niagara1)
  56               IFUNC_IMPL_ADD (array, i, mempcpy, hwcap & HWCAP_SPARC_ULTRA3,
  57                               __mempcpy_ultra3)
  58               IFUNC_IMPL_ADD (array, i, mempcpy, 1, __mempcpy_ultra1));
  59
  60   IFUNC_IMPL (i, name, bzero,
  61               IFUNC_IMPL_ADD (array, i, bzero, hwcap & HWCAP_SPARC_CRYPTO,
  62                               __bzero_niagara4)
  63               IFUNC_IMPL_ADD (array, i, bzero, hwcap & HWCAP_SPARC_BLKINIT,
  64                               __bzero_niagara1)
  65               IFUNC_IMPL_ADD (array, i, bzero, 1, __bzero_ultra1));
  66
  67   IFUNC_IMPL (i, name, memset,
  68               IFUNC_IMPL_ADD (array, i, memset, hwcap & HWCAP_SPARC_CRYPTO,
  69                               __memset_niagara4)
  70               IFUNC_IMPL_ADD (array, i, memset, hwcap & HWCAP_SPARC_BLKINIT,
  71                               __memset_niagara1)
  72               IFUNC_IMPL_ADD (array, i, memset, 1, __memset_ultra1));
  73
  74   return i;
  75 }