+void DwarfUnit::constructTypeDIE(DIE &Buffer, const DISubroutineType *CTy) {
+ // Add return type. A void return won't have a type.
+ auto Elements = cast<DISubroutineType>(CTy)->getTypeArray();
+ if (Elements.size())
+ if (auto RTy = resolve(Elements[0]))
+ addType(Buffer, RTy);
+
+ bool isPrototyped = true;
+ if (Elements.size() == 2 && !Elements[1])
+ isPrototyped = false;
+
+ constructSubprogramArguments(Buffer, Elements);
+
+ // Add prototype flag if we're dealing with a C language and the function has
+ // been prototyped.
+ uint16_t Language = getLanguage();
+ if (isPrototyped &&
+ (Language == dwarf::DW_LANG_C89 || Language == dwarf::DW_LANG_C99 ||
+ Language == dwarf::DW_LANG_ObjC))
+ addFlag(Buffer, dwarf::DW_AT_prototyped);
+
+ if (CTy->isLValueReference())
+ addFlag(Buffer, dwarf::DW_AT_reference);
+
+ if (CTy->isRValueReference())
+ addFlag(Buffer, dwarf::DW_AT_rvalue_reference);
+}
+
+void DwarfUnit::constructTypeDIE(DIE &Buffer, const DICompositeType *CTy) {
+ if (CTy->isExternalTypeRef()) {
+ StringRef Identifier = CTy->getIdentifier();
+ assert(!Identifier.empty() && "external type ref without identifier");
+ addFlag(Buffer, dwarf::DW_AT_declaration);
+ return addDIETypeSignature(Buffer, dwarf::DW_AT_signature, Identifier);
+ }
+