1 /* Get CPUID feature leaf. 2 Copyright (C) 2021-2022 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 * __x86_get_cpuid_feature_leaf(unsigned int leaf)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