// segments - do zapisania
// sections - sekcje tego samego typy (te same flagi)
// rel_sections - wektor wszystkich sekcji z pliku rel
// offset_map - mapa, index_sekcji -> offset sekcji
// segments_flag - flagi
void addNewSegment(Context& ctx, headerT& header,
                   vector<segmentT>& segments,
                   const vector<pair<int, sectionT>>& sections,
                   vector<sectionT>& rel_sections,
                   unordered_map<int, uint64_t>& offset_map,
                   int segment_flags) {
  if (sections.size()) {
    segmentT p;
    int size = 0;
    int new_off = header.e_shoff;

    if (new_off % constants::kPageSize != 0) {
      new_off += constants::kPageSize - (new_off % constants::kPageSize);
    }
    for (auto& s : sections) {
        if (size % s.second.sh_addralign != 0) {
          size += s.second.sh_addralign - (size % s.second.sh_addralign);
        };
        offset_map[s.first] = new_off + size;
        size += s.second.sh_size;
    }
    if (size != 0) {
      p.p_type = PT_LOAD;
      p.p_flags = segment_flags;
      p.p_offset = new_off;
      p.p_vaddr = new_off + ctx.base_address;
      p.p_paddr = new_off + ctx.base_address;
      p.p_filesz = size;
      p.p_memsz = size;
      p.p_align = constants::kPageSize;

      ctx.last_segment += size;
      segments.emplace_back(p);
      header.e_phnum++;
      header.e_shoff += size;
    }
  }
}