1 | /* Get CPUID feature leaf. |
2 | Copyright (C) 2021-2023 Free Software Foundation, Inc. |
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 | |
19 | #include <ldsodefs.h> |
20 | |
21 | const struct cpuid_feature * |
22 | __x86_get_cpuid_feature_leaf (unsigned int leaf) |
23 | { |
24 | static const struct cpuid_feature feature = {}; |
25 | if (leaf < CPUID_INDEX_MAX) |
26 | return ((const struct cpuid_feature *) |
27 | &GLRO(dl_x86_cpu_features).features[leaf]); |
28 | else |
29 | return &feature; |
30 | } |
31 | |