libc {
  GLIBC_2.1 {
    freecontext_e2k;
    makecontext_e2k;
  }
  GLIBC_2.2 {
    # linuxthreads
    __clone2; clone2;
  }
  GLIBC_2.24 {
    recvmsg; sendmsg;
  }
  GLIBC_PRIVATE {
    __libc_e2k_fast_syscalls;
    __libc_e2k_system_info;
  }
}
ld {
  GLIBC_PRIVATE {
    __libc_e2k_fast_syscalls;
    __libc_e2k_system_info;
  }
}
