namespace llvm {
class AsmPrinter;
-class MDNode;
+class DebugLocStream;
+
/// \brief This struct describes location entries emitted in the .debug_loc
/// section.
class DebugLocEntry {
public:
/// \brief A single location or constant.
struct Value {
- Value(const MDNode *Expr, int64_t i)
+ Value(const MDExpression *Expr, int64_t i)
: Expression(Expr), EntryKind(E_Integer) {
Constant.Int = i;
}
- Value(const MDNode *Expr, const ConstantFP *CFP)
+ Value(const MDExpression *Expr, const ConstantFP *CFP)
: Expression(Expr), EntryKind(E_ConstantFP) {
Constant.CFP = CFP;
}
- Value(const MDNode *Expr, const ConstantInt *CIP)
+ Value(const MDExpression *Expr, const ConstantInt *CIP)
: Expression(Expr), EntryKind(E_ConstantInt) {
Constant.CIP = CIP;
}
- Value(const MDNode *Expr, MachineLocation Loc)
+ Value(const MDExpression *Expr, MachineLocation Loc)
: Expression(Expr), EntryKind(E_Location), Loc(Loc) {
assert(cast<MDExpression>(Expr)->isValid());
}
/// Any complex address location expression for this Value.
- const MDNode *Expression;
+ const MDExpression *Expression;
/// Type of entry that this represents.
enum EntryType { E_Location, E_Integer, E_ConstantFP, E_ConstantInt };
const ConstantInt *getConstantInt() const { return Constant.CIP; }
MachineLocation getLoc() const { return Loc; }
bool isBitPiece() const { return getExpression()->isBitPiece(); }
- DIExpression getExpression() const {
- return cast_or_null<MDExpression>(Expression);
- }
+ DIExpression getExpression() const { return Expression; }
friend bool operator==(const Value &, const Value &);
friend bool operator<(const Value &, const Value &);
};
/// A nonempty list of locations/constants belonging to this entry,
/// sorted by offset.
SmallVector<Value, 1> Values;
- SmallString<8> DWARFBytes;
- SmallVector<std::string, 1> Comments;
public:
DebugLocEntry(const MCSymbol *B, const MCSymbol *E, Value Val)
}
/// \brief Lower this entry into a DWARF expression.
- void finalize(const AsmPrinter &AP, const MDBasicType *TypeIdentifierMap);
-
- /// \brief Return the lowered DWARF expression.
- StringRef getDWARFBytes() const { return DWARFBytes; }
- /// \brief Return the assembler comments for the lowered DWARF expression.
- const SmallVectorImpl<std::string> &getComments() const { return Comments; }
+ void finalize(const AsmPrinter &AP, DebugLocStream &Locs,
+ const MDBasicType *BT);
};
/// \brief Compare two Values for equality.