-}
-
-/// constructTypeDIE - Construct type DIE from DICompositeType.
-void CompileUnit::constructTypeDIE(DIE &Buffer, DICompositeType CTy) {
- // If this is a type applicable to a type unit it then add it to the
- // list of types we'll compute a hash for later.
- if (shouldCreateTypeUnit(CTy, DD))
- DD->addTypeUnitType(&Buffer, CTy);
- else
- constructTypeDIEImpl(Buffer, CTy);
-}
-
-void CompileUnit::constructTypeDIEImpl(DIE &Buffer, DICompositeType CTy) {
- // Add name if not anonymous or intermediate type.
- StringRef Name = CTy.getName();
-
- uint64_t Size = CTy.getSizeInBits() >> 3;
- uint16_t Tag = Buffer.getTag();
-
- switch (Tag) {
- case dwarf::DW_TAG_array_type:
- constructArrayTypeDIE(Buffer, CTy);
- break;
- case dwarf::DW_TAG_enumeration_type:
- constructEnumTypeDIE(Buffer, CTy);
- break;
- case dwarf::DW_TAG_subroutine_type: {
- // Add return type. A void return won't have a type.
- DIArray Elements = CTy.getTypeArray();
- DIType RTy(Elements.getElement(0));
- if (RTy)
- addType(&Buffer, RTy);
-
- bool isPrototyped = true;
- // Add arguments.
- for (unsigned i = 1, N = Elements.getNumElements(); i < N; ++i) {
- DIDescriptor Ty = Elements.getElement(i);
- if (Ty.isUnspecifiedParameter()) {
- createAndAddDIE(dwarf::DW_TAG_unspecified_parameters, Buffer);
- isPrototyped = false;
- } else {
- DIE *Arg = createAndAddDIE(dwarf::DW_TAG_formal_parameter, Buffer);
- addType(Arg, DIType(Ty));
- if (DIType(Ty).isArtificial())
- addFlag(Arg, dwarf::DW_AT_artificial);
- }
- }
- // 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);
- } break;
- case dwarf::DW_TAG_structure_type:
- case dwarf::DW_TAG_union_type:
- case dwarf::DW_TAG_class_type: {
- // Add elements to structure type.
- DIArray Elements = CTy.getTypeArray();
- for (unsigned i = 0, N = Elements.getNumElements(); i < N; ++i) {
- DIDescriptor Element = Elements.getElement(i);
- DIE *ElemDie = NULL;
- if (Element.isSubprogram()) {
- DISubprogram SP(Element);
- ElemDie = getOrCreateSubprogramDIE(SP);
- if (SP.isProtected())
- addUInt(ElemDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1,
- dwarf::DW_ACCESS_protected);
- else if (SP.isPrivate())
- addUInt(ElemDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1,
- dwarf::DW_ACCESS_private);
- else
- addUInt(ElemDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1,
- dwarf::DW_ACCESS_public);
- if (SP.isExplicit())
- addFlag(ElemDie, dwarf::DW_AT_explicit);
- } else if (Element.isDerivedType()) {
- DIDerivedType DDTy(Element);
- if (DDTy.getTag() == dwarf::DW_TAG_friend) {
- ElemDie = createAndAddDIE(dwarf::DW_TAG_friend, Buffer);
- addType(ElemDie, resolve(DDTy.getTypeDerivedFrom()),
- dwarf::DW_AT_friend);
- } else if (DDTy.isStaticMember()) {
- getOrCreateStaticMemberDIE(DDTy);
- } else {
- constructMemberDIE(Buffer, DDTy);
- }
- } else if (Element.isObjCProperty()) {
- DIObjCProperty Property(Element);
- ElemDie = createAndAddDIE(Property.getTag(), Buffer);
- StringRef PropertyName = Property.getObjCPropertyName();
- addString(ElemDie, dwarf::DW_AT_APPLE_property_name, PropertyName);
- addType(ElemDie, Property.getType());
- addSourceLine(ElemDie, Property);
- StringRef GetterName = Property.getObjCPropertyGetterName();
- if (!GetterName.empty())
- addString(ElemDie, dwarf::DW_AT_APPLE_property_getter, GetterName);
- StringRef SetterName = Property.getObjCPropertySetterName();
- if (!SetterName.empty())
- addString(ElemDie, dwarf::DW_AT_APPLE_property_setter, SetterName);
- unsigned PropertyAttributes = 0;
- if (Property.isReadOnlyObjCProperty())
- PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_readonly;
- if (Property.isReadWriteObjCProperty())
- PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_readwrite;
- if (Property.isAssignObjCProperty())
- PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_assign;
- if (Property.isRetainObjCProperty())
- PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_retain;
- if (Property.isCopyObjCProperty())
- PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_copy;
- if (Property.isNonAtomicObjCProperty())
- PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_nonatomic;
- if (PropertyAttributes)
- addUInt(ElemDie, dwarf::DW_AT_APPLE_property_attribute, None,
- PropertyAttributes);
-
- DIEEntry *Entry = getDIEEntry(Element);
- if (!Entry) {
- Entry = createDIEEntry(ElemDie);
- insertDIEEntry(Element, Entry);
- }
- } else
- continue;
- }
-
- if (CTy.isAppleBlockExtension())
- addFlag(&Buffer, dwarf::DW_AT_APPLE_block);
-
- DICompositeType ContainingType(resolve(CTy.getContainingType()));
- if (ContainingType)
- addDIEEntry(&Buffer, dwarf::DW_AT_containing_type,
- getOrCreateTypeDIE(ContainingType));
-
- if (CTy.isObjcClassComplete())
- addFlag(&Buffer, dwarf::DW_AT_APPLE_objc_complete_type);