1/* Copyright (C) 2012-2020 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18#include <sys/auxv.h>
19#include <errno.h>
20#include <ldsodefs.h>
21
22
23unsigned long int
24__getauxval (unsigned long int type)
25{
26#ifdef HAVE_AUX_VECTOR
27 ElfW(auxv_t) *p;
28#endif
29
30 if (type == AT_HWCAP)
31 return GLRO(dl_hwcap);
32 else if (type == AT_HWCAP2)
33 return GLRO(dl_hwcap2);
34
35#ifdef HAVE_AUX_VECTOR
36 for (p = GLRO(dl_auxv); p->a_type != AT_NULL; p++)
37 if (p->a_type == type)
38 return p->a_un.a_val;
39#endif
40
41 __set_errno (ENOENT);
42 return 0;
43}
44
45weak_alias (__getauxval, getauxval)
46libc_hidden_def (__getauxval)
47