296   static void mapping(IO &io, Section &sect) {  in mapping()
297     io.mapRequired("segment",         sect.segmentName);  in mapping()
298     io.mapRequired("section",         sect.sectionName);  in mapping()
299     io.mapRequired("type",            sect.type);  in mapping()
300     io.mapOptional("attributes",      sect.attributes);  in mapping()
301     io.mapOptional("alignment",       sect.alignment, (SectionAlignment)1);  in mapping()
302     io.mapRequired("address",         sect.address);  in mapping()
303     if (isZeroFillSection(sect.type)) {  in mapping()
305       uint64_t size = sect.content.size();  in mapping()
309         sect.content = makeArrayRef(bytes, size);  in mapping()
313         io, sect.content);  in mapping()
316     io.mapOptional("relocations",     sect.relocations);  in mapping()
317     io.mapOptional("indirect-syms",   sect.indirectSymbols);  in mapping()
466     io.mapOptional("sect",    sym.sect, (uint8_t)0);  in mapping()