lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* Copyright (C) 2012-2015 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 | <http://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #include <sys/auxv.h> |
| 19 | #include <errno.h> |
| 20 | #include <ldsodefs.h> |
| 21 | |
| 22 | |
| 23 | unsigned long int |
| 24 | __getauxval (unsigned long int type) |
| 25 | { |
| 26 | ElfW(auxv_t) *p; |
| 27 | |
| 28 | if (type == AT_HWCAP) |
| 29 | return GLRO(dl_hwcap); |
| 30 | else if (type == AT_HWCAP2) |
| 31 | return GLRO(dl_hwcap2); |
| 32 | |
| 33 | for (p = GLRO(dl_auxv); p->a_type != AT_NULL; p++) |
| 34 | if (p->a_type == type) |
| 35 | return p->a_un.a_val; |
| 36 | |
| 37 | __set_errno (ENOENT); |
| 38 | return 0; |
| 39 | } |
| 40 | |
| 41 | weak_alias (__getauxval, getauxval) |