+/// making a section real involves assigned it a number and putting
+/// name into the string table if needed
+void WinCOFFObjectWriter::MakeSectionReal(COFFSection &S, size_t Number) {
+ if (S.Name.size() > COFF::NameSize) {
+ const unsigned Max6DecimalSize = 999999;
+ const unsigned Max7DecimalSize = 9999999;
+ uint64_t StringTableEntry = Strings.insert(S.Name.c_str());
+
+ if (StringTableEntry <= Max6DecimalSize) {
+ std::sprintf(S.Header.Name, "/%d", unsigned(StringTableEntry));
+ } else if (StringTableEntry <= Max7DecimalSize) {
+ // With seven digits, we have to skip the terminating null. Because
+ // sprintf always appends it, we use a larger temporary buffer.
+ char buffer[9] = { };
+ std::sprintf(buffer, "/%d", unsigned(StringTableEntry));
+ std::memcpy(S.Header.Name, buffer, 8);
+ } else {
+ report_fatal_error("COFF string table is greater than 9,999,999 bytes.");
+ }
+ } else
+ std::memcpy(S.Header.Name, S.Name.c_str(), S.Name.size());
+
+ S.Number = Number;
+ S.Symbol->Data.SectionNumber = S.Number;
+ S.Symbol->Aux[0].Aux.SectionDefinition.Number = S.Number;