31 lines
1.1 KiB
C
31 lines
1.1 KiB
C
/* 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>
|
|
|
|
#if HAVE_TUNABLES
|
|
# define GET_HWCAP_MASK() TUNABLE_GET (glibc, tune, 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
|