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- /* Hardware capability support for run-time dynamic loader.
- Copyright (C) 2017-2019 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>
- #if HAVE_TUNABLES
- # define GET_HWCAP_MASK() TUNABLE_GET (glibc, cpu, hwcap_mask, uint64_t, NULL)
- #else
- # ifdef SHARED
- # define GET_HWCAP_MASK() GLRO(dl_hwcap_mask)
- # else
- /* HWCAP_MASK is ignored in static binaries when built without tunables. */
- # define GET_HWCAP_MASK() (0)
- # endif
- #endif
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