sysdeps/sparc/sparc-ifunc.h

   1 /* This file is part of the GNU C Library.
   2    Copyright (C) 2012-2020 Free Software Foundation, Inc.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 #include <sysdep.h>
  19
  20 #define INIT_ARCH()
  21
  22 #define sparc_libc_ifunc_redirected(redirected_name, name, expr)        \
  23   __ifunc (redirected_name, name, expr(hwcap), int hwcap, INIT_ARCH)
  24
  25 #define sparc_libm_ifunc(name, expr)                            \
  26   __ifunc (name, name, expr, int hwcap, libm_ifunc_init)
  27
  28 #define sparc_libc_ifunc(name, expr) sparc_libm_ifunc (name, expr)
  29
  30 #define sparc_libm_ifunc_redirected(redirected_name, name, expr)        \
  31   __ifunc (redirected_name, name, expr, int hwcap, libm_ifunc_init)
  32
  33 /* It essentially does libc_hidden_builtin_def (name) and redirect
  34    the internal redirected symbol to ifunc implementation.  */
  35 #if defined SHARED
  36 # define sparc_ifunc_redirected_hidden_def(redirect_name, name) \
  37   __hidden_ver1 (name, __GI_##name, redirect_name) \
  38     __attribute__ ((visibility ("hidden"))) \
  39     __attribute_copy__ (name);
  40 #else
  41 # define sparc_ifunc_redirected_hidden_def(redirect_name, name)
  42 #endif