class MCSymbol;
class MCSymbolRefExpr;
class raw_ostream;
+ class DwarfTypeUnit;
//===--------------------------------------------------------------------===//
/// DIEAbbrevData - Dwarf abbreviation data, describes one attribute of a
class DIEAbbrevData {
/// Attribute - Dwarf attribute code.
///
- uint16_t Attribute;
+ dwarf::Attribute Attribute;
/// Form - Dwarf form code.
///
- uint16_t Form;
+ dwarf::Form Form;
public:
- DIEAbbrevData(uint16_t A, uint16_t F) : Attribute(A), Form(F) {}
+ DIEAbbrevData(dwarf::Attribute A, dwarf::Form F) : Attribute(A), Form(F) {}
// Accessors.
- uint16_t getAttribute() const { return Attribute; }
- uint16_t getForm() const { return Form; }
+ dwarf::Attribute getAttribute() const { return Attribute; }
+ dwarf::Form getForm() const { return Form; }
/// Profile - Used to gather unique data for the abbreviation folding set.
///
class DIEAbbrev : public FoldingSetNode {
/// Tag - Dwarf tag code.
///
- uint16_t Tag;
+ dwarf::Tag Tag;
/// ChildrenFlag - Dwarf children flag.
///
SmallVector<DIEAbbrevData, 12> Data;
public:
- DIEAbbrev(uint16_t T, uint16_t C) : Tag(T), ChildrenFlag(C), Data() {}
+ DIEAbbrev(dwarf::Tag T, uint16_t C) : Tag(T), ChildrenFlag(C), Data() {}
// Accessors.
- uint16_t getTag() const { return Tag; }
+ dwarf::Tag getTag() const { return Tag; }
unsigned getNumber() const { return Number; }
uint16_t getChildrenFlag() const { return ChildrenFlag; }
const SmallVectorImpl<DIEAbbrevData> &getData() const { return Data; }
- void setTag(uint16_t T) { Tag = T; }
void setChildrenFlag(uint16_t CF) { ChildrenFlag = CF; }
void setNumber(unsigned N) { Number = N; }
/// AddAttribute - Adds another set of attribute information to the
/// abbreviation.
- void AddAttribute(uint16_t Attribute, uint16_t Form) {
+ void AddAttribute(dwarf::Attribute Attribute, dwarf::Form Form) {
Data.push_back(DIEAbbrevData(Attribute, Form));
}
///
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) {}
- virtual ~DIE();
+ : Offset(0), Size(0), Abbrev((dwarf::Tag)Tag, dwarf::DW_CHILDREN_no),
+ Parent(0) {}
+ ~DIE();
// Accessors.
DIEAbbrev &getAbbrev() { return Abbrev; }
+ const DIEAbbrev &getAbbrev() const { return Abbrev; }
unsigned getAbbrevNumber() const { return Abbrev.getNumber(); }
- uint16_t getTag() const { return Abbrev.getTag(); }
+ dwarf::Tag getTag() const { return Abbrev.getTag(); }
unsigned getOffset() const { return Offset; }
unsigned getSize() const { return Size; }
const std::vector<DIE *> &getChildren() const { return Children; }
const SmallVectorImpl<DIEValue*> &getValues() const { return Values; }
DIE *getParent() const { return Parent; }
- /// Climb up the parent chain to get the compile unit DIE this DIE belongs
- /// to.
- DIE *getCompileUnit();
- void setTag(uint16_t Tag) { Abbrev.setTag(Tag); }
+ /// Climb up the parent chain to get the compile or type unit DIE this DIE
+ /// belongs to.
+ const DIE *getUnit() const;
+ /// Similar to getUnit, returns null when DIE is not added to an
+ /// owner yet.
+ const DIE *getUnitOrNull() const;
void setOffset(unsigned O) { Offset = O; }
void setSize(unsigned S) { Size = S; }
/// addValue - Add a value and attributes to a DIE.
///
- void addValue(uint16_t Attribute, uint16_t Form, DIEValue *Value) {
+ void addValue(dwarf::Attribute Attribute, dwarf::Form Form,
+ DIEValue *Value) {
Abbrev.AddAttribute(Attribute, Form);
Values.push_back(Value);
}
/// addChild - Add a child to the DIE.
///
void addChild(DIE *Child) {
- if (Child->getParent()) {
- assert (Child->getParent() == this && "Unexpected DIE Parent!");
- return;
- }
+ assert(!Child->getParent());
Abbrev.setChildrenFlag(dwarf::DW_CHILDREN_yes);
Children.push_back(Child);
Child->Parent = this;
}
- /// findAttribute - Find a value in the DIE with the attribute given, returns NULL
- /// if no such attribute exists.
- DIEValue *findAttribute(uint16_t Attribute);
+ /// findAttribute - Find a value in the DIE with the attribute given,
+ /// returns NULL if no such attribute exists.
+ DIEValue *findAttribute(uint16_t Attribute) const;
#ifndef NDEBUG
void print(raw_ostream &O, unsigned IndentCount = 0) const;
isLabel,
isDelta,
isEntry,
+ isTypeSignature,
isBlock
};
protected:
/// EmitValue - Emit value via the Dwarf writer.
///
- virtual void EmitValue(AsmPrinter *AP, uint16_t Form) const = 0;
+ virtual void EmitValue(AsmPrinter *AP, dwarf::Form Form) const = 0;
/// SizeOf - Return the size of a value in bytes.
///
- virtual unsigned SizeOf(AsmPrinter *AP, uint16_t Form) const = 0;
+ virtual unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const = 0;
#ifndef NDEBUG
virtual void print(raw_ostream &O) const = 0;
/// BestForm - Choose the best form for integer.
///
- static uint16_t BestForm(bool IsSigned, uint64_t Int) {
+ static dwarf::Form BestForm(bool IsSigned, uint64_t Int) {
if (IsSigned) {
const int64_t SignedInt = Int;
if ((char)Int == SignedInt) return dwarf::DW_FORM_data1;
/// EmitValue - Emit integer of appropriate size.
///
- virtual void EmitValue(AsmPrinter *AP, uint16_t Form) const;
+ virtual void EmitValue(AsmPrinter *AP, dwarf::Form Form) const;
uint64_t getValue() const { return Integer; }
/// SizeOf - Determine size of integer value in bytes.
///
- virtual unsigned SizeOf(AsmPrinter *AP, uint16_t Form) const;
+ virtual unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const;
// Implement isa/cast/dyncast.
static bool classof(const DIEValue *I) { return I->getType() == isInteger; }
/// EmitValue - Emit expression value.
///
- virtual void EmitValue(AsmPrinter *AP, uint16_t Form) const;
+ virtual void EmitValue(AsmPrinter *AP, dwarf::Form Form) const;
/// getValue - Get MCExpr.
///
/// SizeOf - Determine size of expression value in bytes.
///
- virtual unsigned SizeOf(AsmPrinter *AP, uint16_t Form) const;
+ virtual unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const;
// Implement isa/cast/dyncast.
static bool classof(const DIEValue *E) { return E->getType() == isExpr; }
/// EmitValue - Emit label value.
///
- virtual void EmitValue(AsmPrinter *AP, uint16_t Form) const;
+ virtual void EmitValue(AsmPrinter *AP, dwarf::Form Form) const;
/// getValue - Get MCSymbol.
///
/// SizeOf - Determine size of label value in bytes.
///
- virtual unsigned SizeOf(AsmPrinter *AP, uint16_t Form) const;
+ virtual unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const;
// Implement isa/cast/dyncast.
static bool classof(const DIEValue *L) { return L->getType() == isLabel; }
/// EmitValue - Emit delta value.
///
- virtual void EmitValue(AsmPrinter *AP, uint16_t Form) const;
+ virtual void EmitValue(AsmPrinter *AP, dwarf::Form Form) const;
/// SizeOf - Determine size of delta value in bytes.
///
- virtual unsigned SizeOf(AsmPrinter *AP, uint16_t Form) const;
+ virtual unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const;
// Implement isa/cast/dyncast.
static bool classof(const DIEValue *D) { return D->getType() == isDelta; }
/// EmitValue - Emit delta value.
///
- virtual void EmitValue(AsmPrinter *AP, uint16_t Form) const;
+ virtual void EmitValue(AsmPrinter *AP, dwarf::Form Form) const;
/// SizeOf - Determine size of delta value in bytes.
///
- virtual unsigned SizeOf(AsmPrinter *AP, uint16_t Form) const;
+ virtual unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const;
// Implement isa/cast/dyncast.
static bool classof(const DIEValue *D) { return D->getType() == isString; }
/// EmitValue - Emit debug information entry offset.
///
- virtual void EmitValue(AsmPrinter *AP, uint16_t Form) const;
+ virtual void EmitValue(AsmPrinter *AP, dwarf::Form Form) const;
/// SizeOf - Determine size of debug information entry in bytes.
///
- virtual unsigned SizeOf(AsmPrinter *AP, uint16_t Form) const {
+ virtual unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const {
return Form == dwarf::DW_FORM_ref_addr ? getRefAddrSize(AP)
: sizeof(int32_t);
}
#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;
+#endif
+ };
+
//===--------------------------------------------------------------------===//
/// DIEBlock - A block of values. Primarily used for location expressions.
//
class DIEBlock : public DIEValue, public DIE {
unsigned Size; // Size in bytes excluding size header.
public:
- DIEBlock()
- : DIEValue(isBlock), DIE(0), Size(0) {}
- virtual ~DIEBlock() {}
+ DIEBlock() : DIEValue(isBlock), DIE(0), Size(0) {}
/// ComputeSize - calculate the size of the block.
///
/// BestForm - Choose the best form for data.
///
- uint16_t BestForm() const {
+ dwarf::Form BestForm() const {
if ((unsigned char)Size == Size) return dwarf::DW_FORM_block1;
if ((unsigned short)Size == Size) return dwarf::DW_FORM_block2;
if ((unsigned int)Size == Size) return dwarf::DW_FORM_block4;
/// EmitValue - Emit block data.
///
- virtual void EmitValue(AsmPrinter *AP, uint16_t Form) const;
+ virtual void EmitValue(AsmPrinter *AP, dwarf::Form Form) const;
/// SizeOf - Determine size of block data in bytes.
///
- virtual unsigned SizeOf(AsmPrinter *AP, uint16_t Form) const;
+ virtual unsigned SizeOf(AsmPrinter *AP, dwarf::Form Form) const;
// Implement isa/cast/dyncast.
static bool classof(const DIEValue *E) { return E->getType() == isBlock; }
projects / oota-llvm.git / blobdiff