#include "llvm/ADT/SmallVector.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/Dwarf.h"
+#include "llvm/MC/MCExpr.h"
#include <vector>
namespace llvm {
class AsmPrinter;
class MCSymbol;
+ class MCSymbolRefExpr;
class raw_ostream;
//===--------------------------------------------------------------------===//
- /// DIEAbbrevData - Dwarf abbreviation data, describes the one attribute of a
+ /// DIEAbbrevData - Dwarf abbreviation data, describes one attribute of a
/// Dwarf abbreviation.
class DIEAbbrevData {
/// Attribute - Dwarf attribute code.
Data.push_back(DIEAbbrevData(Attribute, Form));
}
- /// AddFirstAttribute - Adds a set of attribute information to the front
- /// of the abbreviation.
- void AddFirstAttribute(uint16_t Attribute, uint16_t Form) {
- Data.insert(Data.begin(), DIEAbbrevData(Attribute, Form));
- }
-
/// Profile - Used to gather unique data for the abbreviation folding set.
///
void Profile(FoldingSetNodeID &ID) const;
///
SmallVector<DIEValue*, 12> Values;
+#ifndef NDEBUG
// Private data for print()
mutable unsigned IndentCount;
+#endif
public:
explicit DIE(unsigned Tag)
: Offset(0), Size(0), Abbrev(Tag, dwarf::DW_CHILDREN_no), Parent(0) {}
enum {
isInteger,
isString,
+ isExpr,
isLabel,
isDelta,
isEntry,
virtual unsigned SizeOf(AsmPrinter *AP, unsigned Form) const = 0;
#ifndef NDEBUG
- virtual void print(raw_ostream &O) = 0;
- void dump();
+ virtual void print(raw_ostream &O) const = 0;
+ void dump() const;
#endif
};
static bool classof(const DIEValue *I) { return I->getType() == isInteger; }
#ifndef NDEBUG
- virtual void print(raw_ostream &O);
+ virtual void print(raw_ostream &O) const;
+#endif
+ };
+
+ //===--------------------------------------------------------------------===//
+ /// DIEExpr - An expression DIE.
+ //
+ class DIEExpr : public DIEValue {
+ const MCExpr *Expr;
+ public:
+ explicit DIEExpr(const MCExpr *E) : DIEValue(isExpr), Expr(E) {}
+
+ /// EmitValue - Emit expression value.
+ ///
+ virtual void EmitValue(AsmPrinter *AP, unsigned Form) const;
+
+ /// getValue - Get MCExpr.
+ ///
+ const MCExpr *getValue() const { return Expr; }
+
+ /// SizeOf - Determine size of expression value in bytes.
+ ///
+ virtual unsigned SizeOf(AsmPrinter *AP, unsigned Form) const;
+
+ // Implement isa/cast/dyncast.
+ static bool classof(const DIEValue *E) { return E->getType() == isExpr; }
+
+#ifndef NDEBUG
+ virtual void print(raw_ostream &O) const;
#endif
};
//===--------------------------------------------------------------------===//
- /// DIELabel - A label expression DIE.
+ /// DIELabel - A label DIE.
//
class DIELabel : public DIEValue {
const MCSymbol *Label;
/// getValue - Get MCSymbol.
///
- const MCSymbol *getValue() const { return Label; }
+ const MCSymbol *getValue() const { return Label; }
/// SizeOf - Determine size of label value in bytes.
///
static bool classof(const DIEValue *L) { return L->getType() == isLabel; }
#ifndef NDEBUG
- virtual void print(raw_ostream &O);
+ virtual void print(raw_ostream &O) const;
#endif
};
static bool classof(const DIEValue *D) { return D->getType() == isDelta; }
#ifndef NDEBUG
- virtual void print(raw_ostream &O);
+ virtual void print(raw_ostream &O) const;
#endif
};
/// SizeOf - Determine size of debug information entry in bytes.
///
virtual unsigned SizeOf(AsmPrinter *AP, unsigned Form) const {
- return sizeof(int32_t);
+ return Form == dwarf::DW_FORM_ref_addr ? getRefAddrSize(AP) :
+ sizeof(int32_t);
}
+ /// Returns size of a ref_addr entry.
+ static unsigned getRefAddrSize(AsmPrinter *AP);
+
// Implement isa/cast/dyncast.
static bool classof(const DIEValue *E) { return E->getType() == isEntry; }
#ifndef NDEBUG
- virtual void print(raw_ostream &O);
+ virtual void print(raw_ostream &O) const;
#endif
};
static bool classof(const DIEValue *E) { return E->getType() == isBlock; }
#ifndef NDEBUG
- virtual void print(raw_ostream &O);
+ virtual void print(raw_ostream &O) const;
#endif
};