ld {
  GLIBC_PRIVATE {
    __nacl_irt_*;
  }
}

libc {
  GLIBC_2.22 {
    nacl_interface_query;
  }

  GLIBC_PRIVATE {
    # These are used by libpthread.
    __libc_write;
    __libc_open;
    __libc_close;
    __libc_fork;

    __nacl_irt_*;
  }
}