| /* Hardware capability support for run-time dynamic loader. |
| Copyright (C) 2017-2018 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 |
