Reading Split Dwarf (Debug Fission) hash slots

Example using dwarf_get_xu_hash_entry()

*/
int examplez( Dwarf_Xu_Index_Header xuhdr,
    Dwarf_Unsigned hash_slots_count,
    Dwarf_Error *error)
{
    /*  hash_slots_count returned by
        dwarf_get_xu_index_header() */
    static Dwarf_Sig8 zerohashval;
    Dwarf_Unsigned h = 0;
 
    for (h = 0; h < hash_slots_count; h++) {
        Dwarf_Sig8 hashval;
        Dwarf_Unsigned index = 0;
        int res = 0;
 
        res = dwarf_get_xu_hash_entry(xuhdr,h,
            &hashval,&index,error);
        if (res != DW_DLV_OK) {
            return res;
        }
        if (!memcmp(&hashval,&zerohashval,
            sizeof(Dwarf_Sig8)) && index == 0 ) {
            /* An unused hash slot */
            continue;
        }
        /*  Here, hashval and index (a row index into
            offsets and lengths) are valid. Do
            something with them */
    }
    return DW_DLV_OK;
}