tunables: Use glibc.tune.hwcap_mask tunable instead of _dl_hwcap_mask

[thirdparty/glibc.git] / elf / dl-hwcaps.h

/* Hardware capability support for run-time dynamic loader.
   Copyright (C) 2017 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#include <elf/dl-tunables.h>

#ifdef SHARED
# if HAVE_TUNABLES
#  define GET_HWCAP_MASK() \
  TUNABLE_GET (glibc, tune, hwcap_mask, uint64_t, NULL)
# else
#  define GET_HWCAP_MASK() GLRO(dl_hwcap_mask)
# endif
#else
/* HWCAP_MASK is ignored in static binaries.  */
# define GET_HWCAP_MASK() (0)
#endif