+ virtual void print(raw_ostream &O) const;
+#endif
+ };
+
+ //===--------------------------------------------------------------------===//
+ /// \brief A signature reference to a type unit.
+ class DIETypeSignature : public DIEValue {
+ const DwarfTypeUnit &Unit;
+ public:
+ explicit DIETypeSignature(const DwarfTypeUnit &Unit)
+ : DIEValue(isTypeSignature), Unit(Unit) {}
+
+ /// \brief Emit type unit signature.
+ virtual void EmitValue(AsmPrinter *Asm, dwarf::Form Form) const;
+
+ /// Returns size of a ref_sig8 entry.
+ virtual unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const {
+ assert(Form == dwarf::DW_FORM_ref_sig8);
+ return 8;
+ }
+
+ // \brief Implement isa/cast/dyncast.
+ static bool classof(const DIEValue *E) {
+ return E->getType() == isTypeSignature;
+ }
+#ifndef NDEBUG
+ virtual void print(raw_ostream &O) const;
+ void dump() const;