/// createEnumerator - Create a single enumerator value.
DIEnumerator createEnumerator(StringRef Name, uint64_t Val);
+ /// createNullPtrType - Create C++0x nullptr type.
+ DIType createNullPtrType(StringRef Name);
+
/// createBasicType - Create debugging information entry for a basic
/// type.
/// @param Name Type name.
return DIEnumerator(MDNode::get(VMContext, Elts));
}
+/// createNullPtrType - Create C++0x nullptr type.
+DIType DIBuilder::createNullPtrType(StringRef Name) {
+ assert(!Name.empty() && "Unable to create type without name");
+ // nullptr is encoded in DIBasicType format. Line number, filename,
+ // ,size, alignment, offset and flags are always empty here.
+ Value *Elts[] = {
+ GetTagConstant(VMContext, dwarf::DW_TAG_unspecified_type),
+ NULL, //TheCU,
+ MDString::get(VMContext, Name),
+ NULL, // Filename
+ ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
+ ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size
+ ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align
+ ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
+ ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags;
+ ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Encoding
+ };
+ return DIType(MDNode::get(VMContext, Elts));
+}
+
/// createBasicType - Create debugging information entry for a basic
/// type, e.g 'char'.
DIType DIBuilder::createBasicType(StringRef Name, uint64_t SizeInBits,
/// isBasicType - Return true if the specified tag is legal for
/// DIBasicType.
bool DIDescriptor::isBasicType() const {
- return DbgNode && getTag() == dwarf::DW_TAG_base_type;
+ if (!DbgNode) return false;
+ switch (getTag()) {
+ case dwarf::DW_TAG_base_type:
+ case dwarf::DW_TAG_unspecified_type:
+ return true;
+ default:
+ return false;
+ }
}
/// isDerivedType - Return true if the specified tag is legal for DIDerivedType.
void CompileUnit::constructTypeDIE(DIE &Buffer, DIBasicType BTy) {
// Get core information.
StringRef Name = BTy.getName();
- Buffer.setTag(dwarf::DW_TAG_base_type);
- addUInt(&Buffer, dwarf::DW_AT_encoding, dwarf::DW_FORM_data1,
- BTy.getEncoding());
-
// Add name if not anonymous or intermediate type.
if (!Name.empty())
addString(&Buffer, dwarf::DW_AT_name, dwarf::DW_FORM_string, Name);
+
+ if (BTy.getTag() == dwarf::DW_TAG_unspecified_type) {
+ Buffer.setTag(dwarf::DW_TAG_unspecified_type);
+ // Unspecified types has only name, nothing else.
+ return;
+ }
+
+ Buffer.setTag(dwarf::DW_TAG_base_type);
+ addUInt(&Buffer, dwarf::DW_AT_encoding, dwarf::DW_FORM_data1,
+ BTy.getEncoding());
+
uint64_t Size = BTy.getSizeInBits() >> 3;
addUInt(&Buffer, dwarf::DW_AT_byte_size, 0, Size);
}