libc {

  GLIBC_2.19 {

    setjmp; _setjmp; __sigsetjmp;

    longjmp; _longjmp; siglongjmp;

  }

}

ld {

  GLIBC_2.3 {

    # runtime interface to TLS

    __tls_get_offset;

  }

  GLIBC_PRIVATE {

    # Exported by ld used by libc.

    __tls_get_addr_internal;

  }

}