libc {
  GLIBC_2.0 {
    __errno_location_tls;
    __errstr_location_tls;
    ros_errno_loc;
    ros_errstr_loc;
    __errno_location;
    errstr;
    ros_syscall_blockon;
    ros_syscall_sync;
    __ros_scp_syscall_blockon;
    __ros_scp_simple_evq;
    __ros_syscall_noerrno;
    __ros_syscall_errno;

    set_tls_desc;
    get_tls_desc;
    allocate_tls;
    free_tls;
    reinit_tls;
  }
}