FBSD_1.0 {
	rfork_thread;
	amd64_get_fsbase;
	amd64_get_gsbase;
	amd64_set_fsbase;
	amd64_set_gsbase;
};

FBSD_1.6 {
	 x86_pkru_get_perm;
	 x86_pkru_set_perm;
	 x86_pkru_protect_range;
	 x86_pkru_unprotect_range;
};

FBSDprivate_1.0 {
	_vfork;
};