glibc/sysdeps/unix/sysv/linux/riscv/Versions

ld {
  GLIBC_PRIVATE {
    # used for loading by static libraries
    _dl_var_init;
  }
}
libc {
  GLIBC_2.27 {
    __riscv_flush_icache;
  }
  GLIBC_2.40 {
    __riscv_hwprobe;
  }
}