1void __init_cpu_features_resolver(unsigned long hwcap,
2                                  const __ifunc_arg_t *arg) {
3  if (__aarch64_cpu_features.features)
4    return;
5  __init_cpu_features_constructor(hwcap, arg);
6}
7
8void CONSTRUCTOR_ATTRIBUTE __init_cpu_features(void) {
9  // CPU features already initialized.
10  if (__aarch64_cpu_features.features)
11    return;
12
13  unsigned long hwcap = getauxval(AT_HWCAP);
14  unsigned long hwcap2 = getauxval(AT_HWCAP2);
15
16  __ifunc_arg_t arg;
17  arg._size = sizeof(__ifunc_arg_t);
18  arg._hwcap = hwcap;
19  arg._hwcap2 = hwcap2;
20  __init_cpu_features_constructor(hwcap | _IFUNC_ARG_HWCAP, &arg);
21}
22