glibc/sysdeps/x86/dl-get-cpu-features.c

/* This file is part of the GNU C Library.
   Copyright (C) 2015-2020 Free Software Foundation, Inc.

   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 <ldsodefs.h>

#undef __x86_get_cpu_features

const struct cpu_features *
__x86_get_cpu_features (unsigned int max)
{
  if (max > COMMON_CPUID_INDEX_MAX)
    return NULL;
  return &GLRO(dl_x86_cpu_features);
}