//===----------------------------------------------------------------------===//
//
// Data structures for DWARF info entries.
-//
+//
//===----------------------------------------------------------------------===//
#ifndef CODEGEN_ASMPRINTER_DIE_H__
class DIEAbbrevData {
/// Attribute - Dwarf attribute code.
///
- unsigned Attribute;
+ uint16_t Attribute;
/// Form - Dwarf form code.
///
- unsigned Form;
+ uint16_t Form;
public:
- DIEAbbrevData(unsigned A, unsigned F) : Attribute(A), Form(F) {}
+ DIEAbbrevData(uint16_t A, uint16_t F) : Attribute(A), Form(F) {}
// Accessors.
- unsigned getAttribute() const { return Attribute; }
- unsigned getForm() const { return Form; }
+ uint16_t getAttribute() const { return Attribute; }
+ uint16_t getForm() const { return Form; }
/// Profile - Used to gather unique data for the abbreviation folding set.
///
class DIEAbbrev : public FoldingSetNode {
/// Tag - Dwarf tag code.
///
- unsigned Tag;
+ uint16_t Tag;
- /// Unique number for node.
+ /// ChildrenFlag - Dwarf children flag.
///
- unsigned Number;
+ uint16_t ChildrenFlag;
- /// ChildrenFlag - Dwarf children flag.
+ /// Unique number for node.
///
- unsigned ChildrenFlag;
+ unsigned Number;
/// Data - Raw data bytes for abbreviation.
///
- SmallVector<DIEAbbrevData, 8> Data;
+ SmallVector<DIEAbbrevData, 12> Data;
public:
- DIEAbbrev(unsigned T, unsigned C) : Tag(T), ChildrenFlag(C), Data() {}
+ DIEAbbrev(uint16_t T, uint16_t C) : Tag(T), ChildrenFlag(C), Data() {}
// Accessors.
- unsigned getTag() const { return Tag; }
+ uint16_t getTag() const { return Tag; }
unsigned getNumber() const { return Number; }
- unsigned getChildrenFlag() const { return ChildrenFlag; }
- const SmallVector<DIEAbbrevData, 8> &getData() const { return Data; }
- void setTag(unsigned T) { Tag = T; }
- void setChildrenFlag(unsigned CF) { ChildrenFlag = CF; }
+ uint16_t getChildrenFlag() const { return ChildrenFlag; }
+ const SmallVector<DIEAbbrevData, 12> &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(unsigned Attribute, unsigned Form) {
+ void AddAttribute(uint16_t Attribute, uint16_t Form) {
Data.push_back(DIEAbbrevData(Attribute, Form));
}
/// AddFirstAttribute - Adds a set of attribute information to the front
/// of the abbreviation.
- void AddFirstAttribute(unsigned Attribute, unsigned Form) {
+ void AddFirstAttribute(uint16_t Attribute, uint16_t Form) {
Data.insert(Data.begin(), DIEAbbrevData(Attribute, Form));
}
class DIE {
protected:
- /// Abbrev - Buffer for constructing abbreviation.
- ///
- DIEAbbrev Abbrev;
-
/// Offset - Offset in debug info section.
///
unsigned Offset;
///
unsigned Size;
+ /// Abbrev - Buffer for constructing abbreviation.
+ ///
+ DIEAbbrev Abbrev;
+
/// Children DIEs.
///
std::vector<DIE *> Children;
DIE *Parent;
- /// Attributes values.
+ /// Attribute values.
///
- SmallVector<DIEValue*, 32> Values;
+ SmallVector<DIEValue*, 12> Values;
// Private data for print()
mutable unsigned IndentCount;
public:
explicit DIE(unsigned Tag)
- : Abbrev(Tag, dwarf::DW_CHILDREN_no), Offset(0),
- Size(0), Parent (0), IndentCount(0) {}
+ : Offset(0), Size(0), Abbrev(Tag, dwarf::DW_CHILDREN_no), Parent(0),
+ IndentCount(0) {}
virtual ~DIE();
// Accessors.
unsigned getOffset() const { return Offset; }
unsigned getSize() const { return Size; }
const std::vector<DIE *> &getChildren() const { return Children; }
- const SmallVector<DIEValue*, 32> &getValues() const { return Values; }
+ const SmallVector<DIEValue*, 12> &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() const;
void setTag(unsigned Tag) { Abbrev.setTag(Tag); }
void setOffset(unsigned O) { Offset = O; }
void setSize(unsigned S) { Size = S; }
-
+
/// addValue - Add a value and attributes to a DIE.
///
void addValue(unsigned Attribute, unsigned Form, DIEValue *Value) {
Values.push_back(Value);
}
- /// SiblingOffset - Return the offset of the debug information entry's
- /// sibling.
- unsigned getSiblingOffset() const { return Offset + Size; }
-
- /// addSiblingOffset - Add a sibling offset field to the front of the DIE.
- /// The caller is responsible for deleting the return value at or after the
- /// same time it destroys this DIE.
- ///
- DIEValue *addSiblingOffset(BumpPtrAllocator &A);
-
/// addChild - Add a child to the DIE.
///
void addChild(DIE *Child) {
/// DIEValue - A debug information entry value.
///
class DIEValue {
+ virtual void anchor();
public:
enum {
isInteger,
isString,
isLabel,
- isSectionOffset,
isDelta,
isEntry,
isBlock
///
virtual unsigned SizeOf(AsmPrinter *AP, unsigned Form) const = 0;
- // Implement isa/cast/dyncast.
- static bool classof(const DIEValue *) { return true; }
-
#ifndef NDEBUG
virtual void print(raw_ostream &O) = 0;
void dump();
///
static unsigned BestForm(bool IsSigned, uint64_t Int) {
if (IsSigned) {
- if ((char)Int == (signed)Int) return dwarf::DW_FORM_data1;
- if ((short)Int == (signed)Int) return dwarf::DW_FORM_data2;
- if ((int)Int == (signed)Int) return dwarf::DW_FORM_data4;
+ const int64_t SignedInt = Int;
+ if ((char)Int == SignedInt) return dwarf::DW_FORM_data1;
+ if ((short)Int == SignedInt) return dwarf::DW_FORM_data2;
+ if ((int)Int == SignedInt) return dwarf::DW_FORM_data4;
} else {
if ((unsigned char)Int == Int) return dwarf::DW_FORM_data1;
if ((unsigned short)Int == Int) return dwarf::DW_FORM_data2;
virtual unsigned SizeOf(AsmPrinter *AP, unsigned Form) const;
// Implement isa/cast/dyncast.
- static bool classof(const DIEInteger *) { return true; }
static bool classof(const DIEValue *I) { return I->getType() == isInteger; }
-#ifndef NDEBUG
- virtual void print(raw_ostream &O);
-#endif
- };
-
- //===--------------------------------------------------------------------===//
- /// DIEString - A string value DIE. This DIE keeps string reference only.
- ///
- class DIEString : public DIEValue {
- const StringRef Str;
- public:
- explicit DIEString(const StringRef S) : DIEValue(isString), Str(S) {}
-
- /// EmitValue - Emit string value.
- ///
- virtual void EmitValue(AsmPrinter *AP, unsigned Form) const;
-
- /// SizeOf - Determine size of string value in bytes.
- ///
- virtual unsigned SizeOf(AsmPrinter *AP, unsigned /*Form*/) const {
- return Str.size() + sizeof(char); // sizeof('\0');
- }
-
- // Implement isa/cast/dyncast.
- static bool classof(const DIEString *) { return true; }
- static bool classof(const DIEValue *S) { return S->getType() == isString; }
-
#ifndef NDEBUG
virtual void print(raw_ostream &O);
#endif
virtual unsigned SizeOf(AsmPrinter *AP, unsigned Form) const;
// Implement isa/cast/dyncast.
- static bool classof(const DIELabel *) { return true; }
static bool classof(const DIEValue *L) { return L->getType() == isLabel; }
#ifndef NDEBUG
virtual unsigned SizeOf(AsmPrinter *AP, unsigned Form) const;
// Implement isa/cast/dyncast.
- static bool classof(const DIEDelta *) { return true; }
static bool classof(const DIEValue *D) { return D->getType() == isDelta; }
#ifndef NDEBUG
};
//===--------------------------------------------------------------------===//
- /// DIEntry - A pointer to another debug information entry. An instance of
+ /// DIEEntry - A pointer to another debug information entry. An instance of
/// this class can also be used as a proxy for a debug information entry not
/// yet defined (ie. types.)
class DIEEntry : public DIEValue {
}
// Implement isa/cast/dyncast.
- static bool classof(const DIEEntry *) { return true; }
static bool classof(const DIEValue *E) { return E->getType() == isEntry; }
#ifndef NDEBUG
virtual unsigned SizeOf(AsmPrinter *AP, unsigned Form) const;
// Implement isa/cast/dyncast.
- static bool classof(const DIEBlock *) { return true; }
static bool classof(const DIEValue *E) { return E->getType() == isBlock; }
#ifndef NDEBUG
projects / oota-llvm.git / blobdiff