void __init_cpu_features_resolver(unsigned long hwcap,
const __ifunc_arg_t *arg) {
if (__atomic_load_n(&__aarch64_cpu_features.features, __ATOMIC_RELAXED))
return;
__init_cpu_features_constructor(hwcap, arg);
}
void CONSTRUCTOR_ATTRIBUTE __init_cpu_features(void) {
// CPU features already initialized.
if (__atomic_load_n(&__aarch64_cpu_features.features, __ATOMIC_RELAXED))
return;
unsigned long hwcap = getauxval(AT_HWCAP);
unsigned long hwcap2 = getauxval(AT_HWCAP2);
__ifunc_arg_t arg;
arg._size = sizeof(__ifunc_arg_t);
arg._hwcap = hwcap;
arg._hwcap2 = hwcap2;
__init_cpu_features_constructor(hwcap | _IFUNC_ARG_HWCAP, &arg);
}