//===----------------------------------------------------------------------===//
//
// Data structures for DWARF info entries.
-//
+//
//===----------------------------------------------------------------------===//
-#ifndef DIE_H__
-#define DIE_H__
+#ifndef CODEGEN_ASMPRINTER_DIE_H__
+#define CODEGEN_ASMPRINTER_DIE_H__
-#include "DwarfLabel.h"
#include "llvm/ADT/FoldingSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/Dwarf.h"
-#include "llvm/Support/raw_ostream.h"
-#include <iosfwd>
+#include <vector>
namespace llvm {
class AsmPrinter;
- class Dwarf;
- class TargetData;
+ class MCSymbol;
+ class raw_ostream;
//===--------------------------------------------------------------------===//
/// DIEAbbrevData - Dwarf abbreviation data, describes the one attribute of a
/// Dwarf abbreviation.
- class VISIBILITY_HIDDEN DIEAbbrevData {
+ 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.
///
//===--------------------------------------------------------------------===//
/// DIEAbbrev - Dwarf abbreviation, describes the organization of a debug
/// information object.
- class VISIBILITY_HIDDEN DIEAbbrev : public FoldingSetNode {
+ 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() {}
- virtual ~DIEAbbrev() {}
+ 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));
}
/// Emit - Print the abbreviation using the specified asm printer.
///
- void Emit(const AsmPrinter *Asm) const;
+ void Emit(AsmPrinter *AP) const;
#ifndef NDEBUG
- void print(std::ostream *O) {
- if (O) print(*O);
- }
- void print(std::ostream &O);
+ void print(raw_ostream &O);
void dump();
#endif
};
//===--------------------------------------------------------------------===//
/// DIE - A structured debug information entry. Has an abbreviation which
/// describes it's organization.
- class CompileUnit;
class DIEValue;
- class VISIBILITY_HIDDEN DIE : public FoldingSetNode {
+ 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;
- /// Attributes values.
+ DIE *Parent;
+
+ /// Attribute values.
///
- SmallVector<DIEValue*, 32> Values;
+ SmallVector<DIEValue*, 12> Values;
- /// Abstract compile unit.
- CompileUnit *AbstractCU;
+ // Private data for print()
+ mutable unsigned IndentCount;
public:
explicit DIE(unsigned Tag)
- : Abbrev(Tag, dwarf::DW_CHILDREN_no), Offset(0), Size(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; }
- SmallVector<DIEValue*, 32> &getValues() { return Values; }
- CompileUnit *getAbstractCompileUnit() const { return AbstractCU; }
-
+ 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; }
- void setAbstractCompileUnit(CompileUnit *CU) { AbstractCU = CU; }
- /// AddValue - Add a value and attributes to a DIE.
+ /// addValue - Add a value and attributes to a DIE.
///
- void AddValue(unsigned Attribute, unsigned Form, DIEValue *Value) {
+ void addValue(unsigned Attribute, unsigned Form, DIEValue *Value) {
Abbrev.AddAttribute(Attribute, Form);
Values.push_back(Value);
}
- /// SiblingOffset - Return the offset of the debug information entry's
- /// sibling.
- unsigned SiblingOffset() const { return Offset + Size; }
-
- /// AddSiblingOffset - Add a sibling offset field to the front of the DIE.
- ///
- void AddSiblingOffset();
-
- /// AddChild - Add a child to the DIE.
+ /// addChild - Add a child to the DIE.
///
- void AddChild(DIE *Child) {
+ void addChild(DIE *Child) {
+ if (Child->getParent()) {
+ assert (Child->getParent() == this && "Unexpected DIE Parent!");
+ return;
+ }
Abbrev.setChildrenFlag(dwarf::DW_CHILDREN_yes);
Children.push_back(Child);
+ Child->Parent = this;
}
- /// Detach - Detaches objects connected to it after copying.
- ///
- void Detach() {
- Children.clear();
- }
-
- /// Profile - Used to gather unique data for the value folding set.
- ///
- void Profile(FoldingSetNodeID &ID) ;
-
#ifndef NDEBUG
- void print(std::ostream *O, unsigned IncIndent = 0) {
- if (O) print(*O, IncIndent);
- }
- void print(std::ostream &O, unsigned IncIndent = 0);
+ void print(raw_ostream &O, unsigned IncIndent = 0);
void dump();
#endif
};
//===--------------------------------------------------------------------===//
/// DIEValue - A debug information entry value.
///
- class VISIBILITY_HIDDEN DIEValue : public FoldingSetNode {
+ class DIEValue {
+ virtual void anchor();
public:
enum {
isInteger,
isString,
isLabel,
- isAsIsLabel,
- isSectionOffset,
isDelta,
isEntry,
isBlock
/// EmitValue - Emit value via the Dwarf writer.
///
- virtual void EmitValue(Dwarf *D, unsigned Form) const = 0;
+ virtual void EmitValue(AsmPrinter *AP, unsigned Form) const = 0;
/// SizeOf - Return the size of a value in bytes.
///
- virtual unsigned SizeOf(const TargetData *TD, unsigned Form) const = 0;
-
- /// Profile - Used to gather unique data for the value folding set.
- ///
- virtual void Profile(FoldingSetNodeID &ID) = 0;
-
- // Implement isa/cast/dyncast.
- static bool classof(const DIEValue *) { return true; }
+ virtual unsigned SizeOf(AsmPrinter *AP, unsigned Form) const = 0;
#ifndef NDEBUG
- void print(std::ostream *O) {
- if (O) print(*O);
- }
- virtual void print(std::ostream &O) = 0;
+ virtual void print(raw_ostream &O) = 0;
void dump();
#endif
};
//===--------------------------------------------------------------------===//
/// DIEInteger - An integer value DIE.
///
- class VISIBILITY_HIDDEN DIEInteger : public DIEValue {
+ class DIEInteger : public DIEValue {
uint64_t Integer;
public:
explicit DIEInteger(uint64_t I) : DIEValue(isInteger), Integer(I) {}
///
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;
/// EmitValue - Emit integer of appropriate size.
///
- virtual void EmitValue(Dwarf *D, unsigned Form) const;
+ virtual void EmitValue(AsmPrinter *AP, unsigned Form) const;
- /// SizeOf - Determine size of integer value in bytes.
- ///
- virtual unsigned SizeOf(const TargetData *TD, unsigned Form) const;
+ uint64_t getValue() const { return Integer; }
- /// Profile - Used to gather unique data for the value folding set.
+ /// SizeOf - Determine size of integer value in bytes.
///
- static void Profile(FoldingSetNodeID &ID, unsigned Int);
- virtual void Profile(FoldingSetNodeID &ID);
+ 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(std::ostream &O);
-#endif
- };
-
- //===--------------------------------------------------------------------===//
- /// DIEString - A string value DIE.
- ///
- class VISIBILITY_HIDDEN DIEString : public DIEValue {
- const std::string Str;
- public:
- explicit DIEString(const std::string &S) : DIEValue(isString), Str(S) {}
-
- /// EmitValue - Emit string value.
- ///
- virtual void EmitValue(Dwarf *D, unsigned Form) const;
-
- /// SizeOf - Determine size of string value in bytes.
- ///
- virtual unsigned SizeOf(const TargetData *, unsigned /*Form*/) const {
- return Str.size() + sizeof(char); // sizeof('\0');
- }
-
- /// Profile - Used to gather unique data for the value folding set.
- ///
- static void Profile(FoldingSetNodeID &ID, const std::string &Str);
- virtual void Profile(FoldingSetNodeID &ID);
-
- // 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(std::ostream &O);
+ virtual void print(raw_ostream &O);
#endif
};
//===--------------------------------------------------------------------===//
- /// DIEDwarfLabel - A Dwarf internal label expression DIE.
+ /// DIELabel - A label expression DIE.
//
- class VISIBILITY_HIDDEN DIEDwarfLabel : public DIEValue {
- const DWLabel Label;
+ class DIELabel : public DIEValue {
+ const MCSymbol *Label;
public:
- explicit DIEDwarfLabel(const DWLabel &L) : DIEValue(isLabel), Label(L) {}
+ explicit DIELabel(const MCSymbol *L) : DIEValue(isLabel), Label(L) {}
/// EmitValue - Emit label value.
///
- virtual void EmitValue(Dwarf *D, unsigned Form) const;
+ virtual void EmitValue(AsmPrinter *AP, unsigned Form) const;
- /// SizeOf - Determine size of label value in bytes.
+ /// getValue - Get MCSymbol.
///
- virtual unsigned SizeOf(const TargetData *TD, unsigned Form) const;
-
- /// Profile - Used to gather unique data for the value folding set.
- ///
- static void Profile(FoldingSetNodeID &ID, const DWLabel &Label);
- virtual void Profile(FoldingSetNodeID &ID);
-
- // Implement isa/cast/dyncast.
- static bool classof(const DIEDwarfLabel *) { return true; }
- static bool classof(const DIEValue *L) { return L->getType() == isLabel; }
-
-#ifndef NDEBUG
- virtual void print(std::ostream &O);
-#endif
- };
-
- //===--------------------------------------------------------------------===//
- /// DIEObjectLabel - A label to an object in code or data.
- //
- class VISIBILITY_HIDDEN DIEObjectLabel : public DIEValue {
- const std::string Label;
- public:
- explicit DIEObjectLabel(const std::string &L)
- : DIEValue(isAsIsLabel), Label(L) {}
-
- /// EmitValue - Emit label value.
- ///
- virtual void EmitValue(Dwarf *D, unsigned Form) const;
+ const MCSymbol *getValue() const { return Label; }
/// SizeOf - Determine size of label value in bytes.
///
- virtual unsigned SizeOf(const TargetData *TD, unsigned Form) const;
-
- /// Profile - Used to gather unique data for the value folding set.
- ///
- static void Profile(FoldingSetNodeID &ID, const std::string &Label);
- virtual void Profile(FoldingSetNodeID &ID);
+ virtual unsigned SizeOf(AsmPrinter *AP, unsigned Form) const;
// Implement isa/cast/dyncast.
- static bool classof(const DIEObjectLabel *) { return true; }
- static bool classof(const DIEValue *L) {
- return L->getType() == isAsIsLabel;
- }
-
-#ifndef NDEBUG
- virtual void print(std::ostream &O);
-#endif
- };
-
- //===--------------------------------------------------------------------===//
- /// DIESectionOffset - A section offset DIE.
- ///
- class VISIBILITY_HIDDEN DIESectionOffset : public DIEValue {
- const DWLabel Label;
- const DWLabel Section;
- bool IsEH : 1;
- bool UseSet : 1;
- public:
- DIESectionOffset(const DWLabel &Lab, const DWLabel &Sec,
- bool isEH = false, bool useSet = true)
- : DIEValue(isSectionOffset), Label(Lab), Section(Sec),
- IsEH(isEH), UseSet(useSet) {}
-
- /// EmitValue - Emit section offset.
- ///
- virtual void EmitValue(Dwarf *D, unsigned Form) const;
-
- /// SizeOf - Determine size of section offset value in bytes.
- ///
- virtual unsigned SizeOf(const TargetData *TD, unsigned Form) const;
-
- /// Profile - Used to gather unique data for the value folding set.
- ///
- static void Profile(FoldingSetNodeID &ID, const DWLabel &Label,
- const DWLabel &Section);
- virtual void Profile(FoldingSetNodeID &ID);
-
- // Implement isa/cast/dyncast.
- static bool classof(const DIESectionOffset *) { return true; }
- static bool classof(const DIEValue *D) {
- return D->getType() == isSectionOffset;
- }
+ static bool classof(const DIEValue *L) { return L->getType() == isLabel; }
#ifndef NDEBUG
- virtual void print(std::ostream &O);
+ virtual void print(raw_ostream &O);
#endif
};
//===--------------------------------------------------------------------===//
/// DIEDelta - A simple label difference DIE.
///
- class VISIBILITY_HIDDEN DIEDelta : public DIEValue {
- const DWLabel LabelHi;
- const DWLabel LabelLo;
+ class DIEDelta : public DIEValue {
+ const MCSymbol *LabelHi;
+ const MCSymbol *LabelLo;
public:
- DIEDelta(const DWLabel &Hi, const DWLabel &Lo)
+ DIEDelta(const MCSymbol *Hi, const MCSymbol *Lo)
: DIEValue(isDelta), LabelHi(Hi), LabelLo(Lo) {}
/// EmitValue - Emit delta value.
///
- virtual void EmitValue(Dwarf *D, unsigned Form) const;
+ virtual void EmitValue(AsmPrinter *AP, unsigned Form) const;
/// SizeOf - Determine size of delta value in bytes.
///
- virtual unsigned SizeOf(const TargetData *TD, unsigned Form) const;
-
- /// Profile - Used to gather unique data for the value folding set.
- ///
- static void Profile(FoldingSetNodeID &ID, const DWLabel &LabelHi,
- const DWLabel &LabelLo);
- virtual void Profile(FoldingSetNodeID &ID);
+ 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
- virtual void print(std::ostream &O);
+ virtual void print(raw_ostream &O);
#endif
};
//===--------------------------------------------------------------------===//
- /// 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 VISIBILITY_HIDDEN DIEEntry : public DIEValue {
- DIE *Entry;
+ class DIEEntry : public DIEValue {
+ DIE *const Entry;
public:
explicit DIEEntry(DIE *E) : DIEValue(isEntry), Entry(E) {}
DIE *getEntry() const { return Entry; }
- void setEntry(DIE *E) { Entry = E; }
/// EmitValue - Emit debug information entry offset.
///
- virtual void EmitValue(Dwarf *D, unsigned Form) const;
+ virtual void EmitValue(AsmPrinter *AP, unsigned Form) const;
/// SizeOf - Determine size of debug information entry in bytes.
///
- virtual unsigned SizeOf(const TargetData *TD, unsigned Form) const {
+ virtual unsigned SizeOf(AsmPrinter *AP, unsigned Form) const {
return sizeof(int32_t);
}
- /// Profile - Used to gather unique data for the value folding set.
- ///
- static void Profile(FoldingSetNodeID &ID, DIE *Entry);
- virtual void Profile(FoldingSetNodeID &ID);
-
// Implement isa/cast/dyncast.
- static bool classof(const DIEEntry *) { return true; }
static bool classof(const DIEValue *E) { return E->getType() == isEntry; }
#ifndef NDEBUG
- virtual void print(std::ostream &O);
+ virtual void print(raw_ostream &O);
#endif
};
//===--------------------------------------------------------------------===//
/// DIEBlock - A block of values. Primarily used for location expressions.
//
- class VISIBILITY_HIDDEN DIEBlock : public DIEValue, public DIE {
+ class DIEBlock : public DIEValue, public DIE {
unsigned Size; // Size in bytes excluding size header.
public:
DIEBlock()
/// ComputeSize - calculate the size of the block.
///
- unsigned ComputeSize(const TargetData *TD);
+ unsigned ComputeSize(AsmPrinter *AP);
/// BestForm - Choose the best form for data.
///
/// EmitValue - Emit block data.
///
- virtual void EmitValue(Dwarf *D, unsigned Form) const;
+ virtual void EmitValue(AsmPrinter *AP, unsigned Form) const;
/// SizeOf - Determine size of block data in bytes.
///
- virtual unsigned SizeOf(const TargetData *TD, unsigned Form) const;
-
- /// Profile - Used to gather unique data for the value folding set.
- ///
- virtual void Profile(FoldingSetNodeID &ID);
+ 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
- virtual void print(std::ostream &O);
+ virtual void print(raw_ostream &O);
#endif
};
projects / oota-llvm.git / blobdiff