blob: b66da59b8982aa99f73649242fe3cbcdbdfd5c54 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
/* Hardware capability support for run-time dynamic loader.
Copyright (C) 2017-2020 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
<https://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
|
