sysdeps/i386/i686/multiarch/mempcpy-ia32.S

   1 /* mempcpy optimized for i686.
   2    Copyright (C) 2017-2019 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    <http://www.gnu.org/licenses/>.  */
  18
  19 #if defined SHARED && IS_IN (libc)
  20 # define __mempcpy __mempcpy_ia32
  21 # define __mempcpy_chk __mempcpy_chk_ia32
  22
  23 # undef libc_hidden_def
  24 # undef libc_hidden_builtin_def
  25 /* IFUNC doesn't work with the hidden functions in shared library since
  26    they will be called without setting up EBX needed for PLT which is
  27    used by IFUNC.  */
  28 # define libc_hidden_def(name) \
  29         .globl __GI___mempcpy; __GI___mempcpy = __mempcpy
  30 # define libc_hidden_builtin_def(name) \
  31         .globl __GI_mempcpy; __GI_mempcpy = __mempcpy
  32
  33 # undef weak_alias
  34 # define weak_alias(original, alias)
  35 #endif
  36
  37 #include <sysdeps/i386/i686/mempcpy.S>