diff options
| -rw-r--r-- | include/llvm/CodeGen/DwarfWriter.h | 1077 | ||||
| -rw-r--r-- | include/llvm/Support/Dwarf.h | 906 | ||||
| -rw-r--r-- | lib/CodeGen/DwarfWriter.cpp | 913 | ||||
| -rw-r--r-- | lib/Support/Dwarf.cpp | 572 |
4 files changed, 1804 insertions, 1664 deletions
diff --git a/include/llvm/CodeGen/DwarfWriter.h b/include/llvm/CodeGen/DwarfWriter.h index b995300..1a1a290 100644 --- a/include/llvm/CodeGen/DwarfWriter.h +++ b/include/llvm/CodeGen/DwarfWriter.h @@ -28,728 +28,411 @@ namespace llvm { + +// Forward declarations. + +class AsmPrinter; +class CompileUnitDesc; +class DebugInfoDesc; +class DIE; +class DIEAbbrev; +class GlobalVariableDesc; +class MachineDebugInfo; +class MachineFunction; +class Module; +class SubprogramDesc; +class Type; +class TypeDesc; + +//===----------------------------------------------------------------------===// +// DWLabel - Labels are used to track locations in the assembler file. +// Labels appear in the form <prefix>debug_<Tag><Number>, where the tag is a +// category of label (Ex. location) and number is a value unique in that +// category. +class DWLabel { +public: + const char *Tag; // Label category tag. Should always be + // a staticly declared C string. + unsigned Number; // Unique number. + + DWLabel(const char *T, unsigned N) : Tag(T), Number(N) {} +}; + +//===----------------------------------------------------------------------===// +// DwarfWriter - Emits Dwarf debug and exception handling directives. +// +class DwarfWriter { +protected: + //===--------------------------------------------------------------------===// - // Forward declarations. + // Core attributes used by the Dwarf writer. // - class AsmPrinter; - class CompileUnitDesc; - class DebugInfoDesc; - class DIE; - class DwarfWriter; - class GlobalVariableDesc; - class MachineDebugInfo; - class MachineFunction; - class Module; - class SubprogramDesc; - class Type; - class TypeDesc; - //===--------------------------------------------------------------------===// - // DWLabel - Labels are used to track locations in the assembler file. - // Labels appear in the form <prefix>debug_<Tag><Number>, where the tag is a - // category of label (Ex. location) and number is a value unique in that - // category. - class DWLabel { - public: - const char *Tag; // Label category tag. Should always be - // a staticly declared C string. - unsigned Number; // Unique number. - - DWLabel(const char *T, unsigned N) : Tag(T), Number(N) {} - }; + // + /// O - Stream to .s file. + /// + std::ostream &O; + + /// Asm - Target of Dwarf emission. + /// + AsmPrinter *Asm; - //===--------------------------------------------------------------------===// - // DIEAbbrevData - Dwarf abbreviation data, describes the one attribute of a - // Dwarf abbreviation. - class DIEAbbrevData { - private: - unsigned Attribute; // Dwarf attribute code. - unsigned Form; // Dwarf form code. - - public: - DIEAbbrevData(unsigned A, unsigned F) - : Attribute(A) - , Form(F) - {} - - // Accessors - unsigned getAttribute() const { return Attribute; } - unsigned getForm() const { return Form; } - - /// operator== - Used by DIEAbbrev to locate entry. - /// - bool operator==(const DIEAbbrevData &DAD) const { - return Attribute == DAD.Attribute && Form == DAD.Form; - } - - /// operator!= - Used by DIEAbbrev to locate entry. - /// - bool operator!=(const DIEAbbrevData &DAD) const { - return Attribute != DAD.Attribute || Form != DAD.Form; - } - - /// operator< - Used by DIEAbbrev to locate entry. - /// - bool operator<(const DIEAbbrevData &DAD) const { - return Attribute < DAD.Attribute || - (Attribute == DAD.Attribute && Form < DAD.Form); - } - }; + /// DebugInfo - Collected debug information. + /// + MachineDebugInfo *DebugInfo; + + /// didInitial - Flag to indicate if initial emission has been done. + /// + bool didInitial; //===--------------------------------------------------------------------===// - // DIEAbbrev - Dwarf abbreviation, describes the organization of a debug - // information object. - class DIEAbbrev { - private: - unsigned Tag; // Dwarf tag code. - unsigned ChildrenFlag; // Dwarf children flag. - std::vector<DIEAbbrevData> Data; // Raw data bytes for abbreviation. - - public: - - DIEAbbrev(unsigned T, unsigned C) - : Tag(T) - , ChildrenFlag(C) - , Data() - {} - ~DIEAbbrev() {} - - // Accessors - unsigned getTag() const { return Tag; } - unsigned getChildrenFlag() const { return ChildrenFlag; } - const std::vector<DIEAbbrevData> &getData() const { return Data; } - void setChildrenFlag(unsigned CF) { ChildrenFlag = CF; } - - /// operator== - Used by UniqueVector to locate entry. - /// - bool operator==(const DIEAbbrev &DA) const; - - /// operator< - Used by UniqueVector to locate entry. - /// - bool operator<(const DIEAbbrev &DA) const; - - /// AddAttribute - Adds another set of attribute information to the - /// abbreviation. - void AddAttribute(unsigned Attribute, unsigned Form) { - Data.push_back(DIEAbbrevData(Attribute, Form)); - } - - /// Emit - Print the abbreviation using the specified Dwarf writer. - /// - void Emit(const DwarfWriter &DW) const; - -#ifndef NDEBUG - void print(std::ostream &O); - void dump(); -#endif - }; + // Attributes used to construct specific Dwarf sections. + // + + /// CompileUnits - All the compile units involved in this build. The index + /// of each entry in this vector corresponds to the sources in DebugInfo. + std::vector<DIE *> CompileUnits; + /// Abbreviations - A UniqueVector of TAG structure abbreviations. + /// + UniqueVector<DIEAbbrev> Abbreviations; + + /// GlobalTypes - A map of globally visible named types. + /// + std::map<std::string, DIE *> GlobalTypes; + + /// GlobalEntities - A map of globally visible named entities. + /// + std::map<std::string, DIE *> GlobalEntities; + + /// StringPool - A UniqueVector of strings used by indirect references. + /// + UniqueVector<std::string> StringPool; + + /// DescToDieMap - Tracks the mapping of debug informaton descriptors to + /// DIES. + std::map<DebugInfoDesc *, DIE *> DescToDieMap; + + /// TypeToDieMap - Type to DIEType map. + /// + // FIXME - Should not be needed. + std::map<Type *, DIE *> TypeToDieMap; + //===--------------------------------------------------------------------===// - // DIEValue - A debug information entry value. + // Properties to be set by the derived class ctor, used to configure the + // Dwarf writer. // - class DIEValue { - public: - enum { - isInteger, - isString, - isLabel, - isAsIsLabel, - isDelta, - isEntry - }; - - unsigned Type; // Type of the value - - DIEValue(unsigned T) : Type(T) {} - virtual ~DIEValue() {} - - // Implement isa/cast/dyncast. - static bool classof(const DIEValue *) { return true; } - - /// EmitValue - Emit value via the Dwarf writer. - /// - virtual void EmitValue(const DwarfWriter &DW, unsigned Form) const = 0; - - /// SizeOf - Return the size of a value in bytes. - /// - virtual unsigned SizeOf(const DwarfWriter &DW, unsigned Form) const = 0; - }; + + /// AddressSize - Size of addresses used in file. + /// + unsigned AddressSize; - //===--------------------------------------------------------------------===// - // DWInteger - An integer value DIE. - // - class DIEInteger : public DIEValue { - private: - uint64_t Integer; - - public: - DIEInteger(uint64_t I) : DIEValue(isInteger), Integer(I) {} - - // Implement isa/cast/dyncast. - static bool classof(const DIEInteger *) { return true; } - static bool classof(const DIEValue *I) { return I->Type == isInteger; } - - /// EmitValue - Emit integer of appropriate size. - /// - virtual void EmitValue(const DwarfWriter &DW, unsigned Form) const; - - /// SizeOf - Determine size of integer value in bytes. - /// - virtual unsigned SizeOf(const DwarfWriter &DW, unsigned Form) const; - }; + /// hasLEB128 - True if target asm supports leb128 directives. + /// + bool hasLEB128; /// Defaults to false. + + /// hasDotLoc - True if target asm supports .loc directives. + /// + bool hasDotLoc; /// Defaults to false. + + /// hasDotFile - True if target asm supports .file directives. + /// + bool hasDotFile; /// Defaults to false. + + /// needsSet - True if target asm can't compute addresses on data + /// directives. + bool needsSet; /// Defaults to false. + + /// DwarfAbbrevSection - Section directive for Dwarf abbrev. + /// + const char *DwarfAbbrevSection; /// Defaults to ".debug_abbrev". - //===--------------------------------------------------------------------===// - // DIEString - A string value DIE. - // - struct DIEString : public DIEValue { - const std::string String; - - DIEString(const std::string &S) : DIEValue(isString), String(S) {} - - // Implement isa/cast/dyncast. - static bool classof(const DIEString *) { return true; } - static bool classof(const DIEValue *S) { return S->Type == isString; } - - /// EmitValue - Emit string value. - /// - virtual void EmitValue(const DwarfWriter &DW, unsigned Form) const; - - /// SizeOf - Determine size of string value in bytes. - /// - virtual unsigned SizeOf(const DwarfWriter &DW, unsigned Form) const; - }; + /// DwarfInfoSection - Section directive for Dwarf info. + /// + const char *DwarfInfoSection; /// Defaults to ".debug_info". - //===--------------------------------------------------------------------===// - // DIEDwarfLabel - A Dwarf internal label expression DIE. - // - struct DIEDwarfLabel : public DIEValue { - const DWLabel Label; - - DIEDwarfLabel(const DWLabel &L) : DIEValue(isLabel), Label(L) {} - - // Implement isa/cast/dyncast. - static bool classof(const DIEDwarfLabel *) { return true; } - static bool classof(const DIEValue *L) { return L->Type == isLabel; } - - /// EmitValue - Emit label value. - /// - virtual void EmitValue(const DwarfWriter &DW, unsigned Form) const; - - /// SizeOf - Determine size of label value in bytes. - /// - virtual unsigned SizeOf(const DwarfWriter &DW, unsigned Form) const; - }; + /// DwarfLineSection - Section directive for Dwarf info. + /// + const char *DwarfLineSection; /// Defaults to ".debug_line". + + /// DwarfFrameSection - Section directive for Dwarf info. + /// + const char *DwarfFrameSection; /// Defaults to ".debug_frame". + + /// DwarfPubNamesSection - Section directive for Dwarf info. + /// + const char *DwarfPubNamesSection; /// Defaults to ".debug_pubnames". + + /// DwarfPubTypesSection - Section directive for Dwarf info. + /// + const char *DwarfPubTypesSection; /// Defaults to ".debug_pubtypes". + + /// DwarfStrSection - Section directive for Dwarf info. + /// + const char *DwarfStrSection; /// Defaults to ".debug_str". + /// DwarfLocSection - Section directive for Dwarf info. + /// + const char *DwarfLocSection; /// Defaults to ".debug_loc". + + /// DwarfARangesSection - Section directive for Dwarf info. + /// + const char *DwarfARangesSection; /// Defaults to ".debug_aranges". + + /// DwarfRangesSection - Section directive for Dwarf info. + /// + const char *DwarfRangesSection; /// Defaults to ".debug_ranges". + + /// DwarfMacInfoSection - Section directive for Dwarf info. + /// + const char *DwarfMacInfoSection; /// Defaults to ".debug_macinfo". + + /// TextSection - Section directive for standard text. + /// + const char *TextSection; /// Defaults to ".text". + + /// DataSection - Section directive for standard data. + /// + const char *DataSection; /// Defaults to ".data". //===--------------------------------------------------------------------===// - // DIEObjectLabel - A label to an object in code or data. + // Emission and print routines // - struct DIEObjectLabel : public DIEValue { - const std::string Label; - - DIEObjectLabel(const std::string &L) : DIEValue(isAsIsLabel), Label(L) {} - - // Implement isa/cast/dyncast. - static bool classof(const DIEObjectLabel *) { return true; } - static bool classof(const DIEValue *L) { return L->Type == isAsIsLabel; } - - /// EmitValue - Emit label value. - /// - virtual void EmitValue(const DwarfWriter &DW, unsigned Form) const; - - /// SizeOf - Determine size of label value in bytes. - /// - virtual unsigned SizeOf(const DwarfWriter &DW, unsigned Form) const; - }; - //===--------------------------------------------------------------------===// - // DIEDelta - A simple label difference DIE. - // - struct DIEDelta : public DIEValue { - const DWLabel LabelHi; - const DWLabel LabelLo; - - DIEDelta(const DWLabel &Hi, const DWLabel &Lo) - : DIEValue(isDelta), LabelHi(Hi), LabelLo(Lo) {} - - // Implement isa/cast/dyncast. - static bool classof(const DIEDelta *) { return true; } - static bool classof(const DIEValue *D) { return D->Type == isDelta; } - - /// EmitValue - Emit delta value. - /// - virtual void EmitValue(const DwarfWriter &DW, unsigned Form) const; - - /// SizeOf - Determine size of delta value in bytes. - /// - virtual unsigned SizeOf(const DwarfWriter &DW, unsigned Form) const; - }; +public: + /// getAddressSize - Return the size of a target address in bytes. + /// + unsigned getAddressSize() const { return AddressSize; } + + /// PrintHex - Print a value as a hexidecimal value. + /// + void PrintHex(int Value) const; + + /// EOL - Print a newline character to asm stream. If a comment is present + /// then it will be printed first. Comments should not contain '\n'. + void EOL(const std::string &Comment) const; + + /// EmitULEB128Bytes - Emit an assembler byte data directive to compose an + /// unsigned leb128 value. + void EmitULEB128Bytes(unsigned Value) const; - //===--------------------------------------------------------------------===// - // DIEntry - A pointer to a debug information entry. - // - struct DIEntry : public DIEValue { - DIE *Entry; - - DIEntry(DIE *E) : DIEValue(isEntry), Entry(E) {} - - // Implement isa/cast/dyncast. - static bool classof(const DIEntry *) { return true; } - static bool classof(const DIEValue *E) { return E->Type == isEntry; } - - /// EmitValue - Emit delta value. - /// - virtual void EmitValue(const DwarfWriter &DW, unsigned Form) const; - - /// SizeOf - Determine size of delta value in bytes. - /// - virtual unsigned SizeOf(const DwarfWriter &DW, unsigned Form) const; - }; + /// EmitSLEB128Bytes - print an assembler byte data directive to compose a + /// signed leb128 value. + void EmitSLEB128Bytes(int Value) const; - //===--------------------------------------------------------------------===// - // DIE - A structured debug information entry. Has an abbreviation which - // describes it's organization. - class DIE { - private: - DIEAbbrev *Abbrev; // Temporary buffer for abbreviation. - unsigned AbbrevID; // Decribing abbreviation ID. - unsigned Offset; // Offset in debug info section. - unsigned Size; // Size of instance + children. - std::vector<DIE *> Children; // Children DIEs. - std::vector<DIEValue *> Values; // Attributes values. - - public: - DIE(unsigned Tag); - ~DIE(); - - // Accessors - unsigned getAbbrevID() const { return AbbrevID; } - unsigned getOffset() const { return Offset; } - unsigned getSize() const { return Size; } - const std::vector<DIE *> &getChildren() const { return Children; } - const std::vector<DIEValue *> &getValues() const { return Values; } - void setOffset(unsigned O) { Offset = O; } - void setSize(unsigned S) { Size = S; } - - /// SiblingOffset - Return the offset of the debug information entry's - /// sibling. - unsigned SiblingOffset() const { return Offset + Size; } - - /// AddUInt - Add an unsigned integer attribute data and value. - /// - void AddUInt(unsigned Attribute, unsigned Form, uint64_t Integer); - - /// AddSInt - Add an signed integer attribute data and value. - /// - void AddSInt(unsigned Attribute, unsigned Form, int64_t Integer); - - /// AddString - Add a std::string attribute data and value. - /// - void AddString(unsigned Attribute, unsigned Form, - const std::string &String); - - /// AddLabel - Add a Dwarf label attribute data and value. - /// - void AddLabel(unsigned Attribute, unsigned Form, const DWLabel &Label); - - /// AddObjectLabel - Add a non-Dwarf label attribute data and value. - /// - void AddObjectLabel(unsigned Attribute, unsigned Form, - const std::string &Label); - - /// AddDelta - Add a label delta attribute data and value. - /// - void AddDelta(unsigned Attribute, unsigned Form, - const DWLabel &Hi, const DWLabel &Lo); - - /// AddDIEntry - Add a DIE attribute data and value. - /// - void AddDIEntry(unsigned Attribute, unsigned Form, DIE *Entry); - - /// Complete - Indicate that all attributes have been added and - /// ready to get an abbreviation ID. - /// - void Complete(DwarfWriter &DW); - - /// AddChild - Add a child to the DIE. - void AddChild(DIE *Child); - }; + /// PrintULEB128 - Print a series of hexidecimal values (separated by + /// commas) representing an unsigned leb128 value. + void PrintULEB128(unsigned Value) const; + + /// SizeULEB128 - Compute the number of bytes required for an unsigned + /// leb128 value. + static unsigned SizeULEB128(unsigned Value); - //===--------------------------------------------------------------------===// - // DwarfWriter - Emits Dwarf debug and exception handling directives. - // - class DwarfWriter { - protected: - - //===------------------------------------------------------------------===// - // Core attributes used by the Dwarf writer. - // - - // - /// O - Stream to .s file. - /// - std::ostream &O; - - /// Asm - Target of Dwarf emission. - /// - AsmPrinter *Asm; - - /// DebugInfo - Collected debug information. - /// - MachineDebugInfo *DebugInfo; - - /// didInitial - Flag to indicate if initial emission has been done. - /// - bool didInitial; - - //===------------------------------------------------------------------===// - // Attributes used to construct specific Dwarf sections. - // - - /// CompileUnits - All the compile units involved in this build. The index - /// of each entry in this vector corresponds to the sources in DebugInfo. - std::vector<DIE *> CompileUnits; - - /// Abbreviations - A UniqueVector of TAG structure abbreviations. - /// - UniqueVector<DIEAbbrev> Abbreviations; - - /// GlobalTypes - A map of globally visible named types. - /// - std::map<std::string, DIE *> GlobalTypes; - - /// GlobalEntities - A map of globally visible named entities. - /// - std::map<std::string, DIE *> GlobalEntities; - - /// StringPool - A UniqueVector of strings used by indirect references. - /// - UniqueVector<std::string> StringPool; - - /// DescToDieMap - Tracks the mapping of debug informaton descriptors to - /// DIES. - std::map<DebugInfoDesc *, DIE *> DescToDieMap; - - /// TypeToDieMap - Type to DIEType map. - /// - // FIXME - Should not be needed. - std::map<Type *, DIE *> TypeToDieMap; - - //===------------------------------------------------------------------===// - // Properties to be set by the derived class ctor, used to configure the - // Dwarf writer. - // - - /// AddressSize - Size of addresses used in file. - /// - unsigned AddressSize; - - /// hasLEB128 - True if target asm supports leb128 directives. - /// - bool hasLEB128; /// Defaults to false. - - /// hasDotLoc - True if target asm supports .loc directives. - /// - bool hasDotLoc; /// Defaults to false. - - /// hasDotFile - True if target asm supports .file directives. - /// - bool hasDotFile; /// Defaults to false. - - /// needsSet - True if target asm can't compute addresses on data - /// directives. - bool needsSet; /// Defaults to false. - - /// DwarfAbbrevSection - Section directive for Dwarf abbrev. - /// - const char *DwarfAbbrevSection; /// Defaults to ".debug_abbrev". - - /// DwarfInfoSection - Section directive for Dwarf info. - /// - const char *DwarfInfoSection; /// Defaults to ".debug_info". - - /// DwarfLineSection - Section directive for Dwarf info. - /// - const char *DwarfLineSection; /// Defaults to ".debug_line". - - /// DwarfFrameSection - Section directive for Dwarf info. - /// - const char *DwarfFrameSection; /// Defaults to ".debug_frame". - - /// DwarfPubNamesSection - Section directive for Dwarf info. - /// - const char *DwarfPubNamesSection; /// Defaults to ".debug_pubnames". - - /// DwarfPubTypesSection - Section directive for Dwarf info. - /// - const char *DwarfPubTypesSection; /// Defaults to ".debug_pubtypes". - - /// DwarfStrSection - Section directive for Dwarf info. - /// - const char *DwarfStrSection; /// Defaults to ".debug_str". - - /// DwarfLocSection - Section directive for Dwarf info. - /// - const char *DwarfLocSection; /// Defaults to ".debug_loc". - - /// DwarfARangesSection - Section directive for Dwarf info. - /// - const char *DwarfARangesSection; /// Defaults to ".debug_aranges". - - /// DwarfRangesSection - Section directive for Dwarf info. - /// - const char *DwarfRangesSection; /// Defaults to ".debug_ranges". - - /// DwarfMacInfoSection - Section directive for Dwarf info. - /// - const char *DwarfMacInfoSection; /// Defaults to ".debug_macinfo". - - /// TextSection - Section directive for standard text. - /// - const char *TextSection; /// Defaults to ".text". - - /// DataSection - Section directive for standard data. - /// - const char *DataSection; /// Defaults to ".data". - - //===------------------------------------------------------------------===// - // Emission and print routines - // + /// PrintSLEB128 - Print a series of hexidecimal values (separated by + /// commas) representing a signed leb128 value. + void PrintSLEB128(int Value) const; + + /// SizeSLEB128 - Compute the number of bytes required for a signed leb128 + /// value. + static unsigned SizeSLEB128(int Value); + + /// EmitInt8 - Emit a byte directive and value. + /// + void EmitInt8(int Value) const; -public: - /// getAddressSize - Return the size of a target address in bytes. - /// - unsigned getAddressSize() const { return AddressSize; } - - /// PrintHex - Print a value as a hexidecimal value. - /// - void PrintHex(int Value) const; - - /// EOL - Print a newline character to asm stream. If a comment is present - /// then it will be printed first. Comments should not contain '\n'. - void EOL(const std::string &Comment) const; - - /// EmitULEB128Bytes - Emit an assembler byte data directive to compose an - /// unsigned leb128 value. - void EmitULEB128Bytes(unsigned Value) const; - - /// EmitSLEB128Bytes - print an assembler byte data directive to compose a - /// signed leb128 value. - void EmitSLEB128Bytes(int Value) const; - - /// PrintULEB128 - Print a series of hexidecimal values (separated by - /// commas) representing an unsigned leb128 value. - void PrintULEB128(unsigned Value) const; - - /// SizeULEB128 - Compute the number of bytes required for an unsigned - /// leb128 value. - static unsigned SizeULEB128(unsigned Value); - - /// PrintSLEB128 - Print a series of hexidecimal values (separated by - /// commas) representing a signed leb128 value. - void PrintSLEB128(int Value) const; - - /// SizeSLEB128 - Compute the number of bytes required for a signed leb128 - /// value. - static unsigned SizeSLEB128(int Value); - - /// EmitInt8 - Emit a byte directive and value. - /// - void EmitInt8(int Value) const; - - /// EmitInt16 - Emit a short directive and value. - /// - void EmitInt16(int Value) const; - - /// EmitInt32 - Emit a long directive and value. - /// - void EmitInt32(int Value) const; - - /// EmitInt64 - Emit a long long directive and value. - /// - void EmitInt64(uint64_t Value) const; - - /// EmitString - Emit a string with quotes and a null terminator. - /// Special characters are emitted properly. (Eg. '\t') - void EmitString(const std::string &String) const; - - /// PrintLabelName - Print label name in form used by Dwarf writer. - /// - void PrintLabelName(DWLabel Label) const { - PrintLabelName(Label.Tag, Label.Number); - } - void PrintLabelName(const char *Tag, unsigned Number) const; - - /// EmitLabel - Emit location label for internal use by Dwarf. - /// - void EmitLabel(DWLabel Label) const { - EmitLabel(Label.Tag, Label.Number); - } - void EmitLabel(const char *Tag, unsigned Number) const; - - /// EmitReference - Emit a reference to a label. - /// - void EmitReference(DWLabel Label) const { - EmitReference(Label.Tag, Label.Number); - } - void EmitReference(const char *Tag, unsigned Number) const; - void EmitReference(const std::string &Name) const; - - /// EmitDifference - Emit the difference between two labels. Some - /// assemblers do not behave with absolute expressions with data directives, - /// so there is an option (needsSet) to use an intermediary set expression. - void EmitDifference(DWLabel LabelHi, DWLabel LabelLo) const { - EmitDifference(LabelHi.Tag, LabelHi.Number, LabelLo.Tag, LabelLo.Number); - } - void EmitDifference(const char *TagHi, unsigned NumberHi, - const char *TagLo, unsigned NumberLo) const; - - /// NewAbbreviation - Add the abbreviation to the Abbreviation vector. - /// - unsigned NewAbbreviation(DIEAbbrev *Abbrev); - - /// NewString - Add a string to the constant pool and returns a label. - /// - DWLabel NewString(const std::string &String); - - /// NewBasicType - Creates a new basic type if necessary, then adds to the - /// owner. - /// FIXME - Should never be needed. - DIE *NewBasicType(DIE *Owner, Type *Ty); - - /// NewGlobalType - Make the type visible globally using the given name. - /// - void NewGlobalType(const std::string &Name, DIE *Type); - - /// NewGlobalEntity - Make the entity visible globally using the given name. - /// - void NewGlobalEntity(const std::string &Name, DIE *Entity); + /// EmitInt16 - Emit a short directive and value. + /// + void EmitInt16(int Value) const; + + /// EmitInt32 - Emit a long directive and value. + /// + void EmitInt32(int Value) const; + + /// EmitInt64 - Emit a long long directive and value. + /// + void EmitInt64(uint64_t Value) const; + + /// EmitString - Emit a string with quotes and a null terminator. + /// Special characters are emitted properly. (Eg. '\t') + void EmitString(const std::string &String) const; + + /// PrintLabelName - Print label name in form used by Dwarf writer. + /// + void PrintLabelName(DWLabel Label) const { + PrintLabelName(Label.Tag, Label.Number); + } + void PrintLabelName(const char *Tag, unsigned Number) const; + + /// EmitLabel - Emit location label for internal use by Dwarf. + /// + void EmitLabel(DWLabel Label) const { + EmitLabel(Label.Tag, Label.Number); + } + void EmitLabel(const char *Tag, unsigned Number) const; + + /// EmitReference - Emit a reference to a label. + /// + void EmitReference(DWLabel Label) const { + EmitReference(Label.Tag, Label.Number); + } + void EmitReference(const char *Tag, unsigned Number) const; + void EmitReference(const std::string &Name) const; + + /// EmitDifference - Emit the difference between two labels. Some + /// assemblers do not behave with absolute expressions with data directives, + /// so there is an option (needsSet) to use an intermediary set expression. + void EmitDifference(DWLabel LabelHi, DWLabel LabelLo) const { + EmitDifference(LabelHi.Tag, LabelHi.Number, LabelLo.Tag, LabelLo.Number); + } + void EmitDifference(const char *TagHi, unsigned NumberHi, + const char *TagLo, unsigned NumberLo) const; + + /// NewAbbreviation - Add the abbreviation to the Abbreviation vector. + /// + unsigned NewAbbreviation(DIEAbbrev *Abbrev); + + /// NewString - Add a string to the constant pool and returns a label. + /// + DWLabel NewString(const std::string &String); + + /// NewBasicType - Creates a new basic type if necessary, then adds to the + /// owner. + /// FIXME - Should never be needed. + DIE *NewBasicType(DIE *Owner, Type *Ty); + + /// NewGlobalType - Make the type visible globally using the given name. + /// + void NewGlobalType(const std::string &Name, DIE *Type); + + /// NewGlobalEntity - Make the entity visible globally using the given name. + /// + void NewGlobalEntity(const std::string &Name, DIE *Entity); private: - /// NewType - Create a new type DIE. - /// - DIE *NewType(DIE *Unit, TypeDesc *TyDesc); - - /// NewCompileUnit - Create new compile unit DIE. - /// - DIE *NewCompileUnit(CompileUnitDesc *CompileUnit); - - /// NewGlobalVariable - Make a new global variable DIE. - /// - DIE *NewGlobalVariable(GlobalVariableDesc *GVD); - - /// NewSubprogram - Add a new subprogram DIE. - /// - DIE *NewSubprogram(SubprogramDesc *SPD); - - /// EmitInitial - Emit initial Dwarf declarations. - /// - void EmitInitial() const; - - /// EmitDIE - Recusively Emits a debug information entry. - /// - void EmitDIE(DIE *Die) const; - - /// SizeAndOffsetDie - Compute the size and offset of a DIE. - /// - unsigned SizeAndOffsetDie(DIE *Die, unsigned Offset); - - /// SizeAndOffsets - Compute the size and offset of all the DIEs. - /// - void SizeAndOffsets(); - - /// EmitDebugInfo - Emit the debug info section. - /// - void EmitDebugInfo() const; - - /// EmitAbbreviations - Emit the abbreviation section. - /// - void EmitAbbreviations() const; - - /// EmitDebugLines - Emit source line information. - /// - void EmitDebugLines() const; - - /// EmitDebugFrame - Emit info into a debug frame section. - /// - void EmitDebugFrame(); - - /// EmitDebugPubNames - Emit info into a debug pubnames section. - /// - void EmitDebugPubNames(); - - /// EmitDebugPubTypes - Emit info into a debug pubtypes section. - /// - void EmitDebugPubTypes(); - - /// EmitDebugStr - Emit info into a debug str section. - /// - void EmitDebugStr(); - - /// EmitDebugLoc - Emit info into a debug loc section. - /// - void EmitDebugLoc(); - - /// EmitDebugARanges - Emit info into a debug aranges section. - /// - void EmitDebugARanges(); - - /// EmitDebugRanges - Emit info into a debug ranges section. - /// - void EmitDebugRanges(); - - /// EmitDebugMacInfo - Emit info into a debug macinfo section. - /// - void EmitDebugMacInfo(); - - /// ConstructCompileUnitDIEs - Create a compile unit DIE for each source and - /// header file. - void ConstructCompileUnitDIEs(); - - /// ConstructGlobalDIEs - Create DIEs for each of the externally visible - /// global variables. - void ConstructGlobalDIEs(Module &M); - - /// ConstructSubprogramDIEs - Create DIEs for each of the externally visible - /// subprograms. - void ConstructSubprogramDIEs(Module &M); - - /// ShouldEmitDwarf - Returns true if Dwarf declarations should be made. - /// When called it also checks to see if debug info is newly available. if - /// so the initial Dwarf headers are emitted. - bool ShouldEmitDwarf(); - - public: - - DwarfWriter(std::ostream &OS, AsmPrinter *A); - virtual ~DwarfWriter(); - - /// SetDebugInfo - Set DebugInfo when it's known that pass manager has - /// created it. Set by the target AsmPrinter. - void SetDebugInfo(MachineDebugInfo *DI) { DebugInfo = DI; } - - //===------------------------------------------------------------------===// - // Main entry points. - // - - /// BeginModule - Emit all Dwarf sections that should come prior to the - /// content. - void BeginModule(Module &M); - - /// EndModule - Emit all Dwarf sections that should come after the content. - /// - void EndModule(Module &M); - - /// BeginFunction - Gather pre-function debug information. - /// - void BeginFunction(MachineFunction &MF); - - /// EndFunction - Gather and emit post-function debug information. - /// - void EndFunction(MachineFunction &MF); - }; + /// NewType - Create a new type DIE. + /// + DIE *NewType(DIE *Unit, TypeDesc *TyDesc); + + /// NewCompileUnit - Create new compile unit DIE. + /// + DIE *NewCompileUnit(CompileUnitDesc *CompileUnit); + + /// NewGlobalVariable - Make a new global variable DIE. + /// + DIE *NewGlobalVariable(GlobalVariableDesc *GVD); + + /// NewSubprogram - Add a new subprogram DIE. + /// + DIE *NewSubprogram(SubprogramDesc *SPD); + + /// EmitInitial - Emit initial Dwarf declarations. + /// + void EmitInitial() const; + + /// EmitDIE - Recusively Emits a debug information entry. + /// + void EmitDIE(DIE *Die) const; + + /// SizeAndOffsetDie - Compute the size and offset of a DIE. + /// + unsigned SizeAndOffsetDie(DIE *Die, unsigned Offset); + + /// SizeAndOffsets - Compute the size and offset of all the DIEs. + /// + void SizeAndOffsets(); + + /// EmitDebugInfo - Emit the debug info section. + /// + void EmitDebugInfo() const; + + /// EmitAbbreviations - Emit the abbreviation section. + /// + void EmitAbbreviations() const; + + /// EmitDebugLines - Emit source line information. + /// + void EmitDebugLines() const; + + /// EmitDebugFrame - Emit info into a debug frame section. + /// + void EmitDebugFrame(); + + /// EmitDebugPubNames - Emit info into a debug pubnames section. + /// + void EmitDebugPubNames(); + + /// EmitDebugPubTypes - Emit info into a debug pubtypes section. + /// + void EmitDebugPubTypes(); + + /// EmitDebugStr - Emit info into a debug str section. + /// + void EmitDebugStr(); + + /// EmitDebugLoc - Emit info into a debug loc section. + /// + void EmitDebugLoc(); + + /// EmitDebugARanges - Emit info into a debug aranges section. + /// + void EmitDebugARanges(); + + /// EmitDebugRanges - Emit info into a debug ranges section. + /// + void EmitDebugRanges(); + + /// EmitDebugMacInfo - Emit info into a debug macinfo section. + /// + void EmitDebugMacInfo(); + + /// ConstructCompileUnitDIEs - Create a compile unit DIE for each source and + /// header file. + void ConstructCompileUnitDIEs(); + + /// ConstructGlobalDIEs - Create DIEs for each of the externally visible + /// global variables. + void ConstructGlobalDIEs(Module &M); + + /// ConstructSubprogramDIEs - Create DIEs for each of the externally visible + /// subprograms. + void ConstructSubprogramDIEs(Module &M); + + /// ShouldEmitDwarf - Returns true if Dwarf declarations should be made. + /// When called it also checks to see if debug info is newly available. if + /// so the initial Dwarf headers are emitted. + bool ShouldEmitDwarf(); + +public: + + DwarfWriter(std::ostream &OS, AsmPrinter *A); + virtual ~DwarfWriter(); + + /// SetDebugInfo - Set DebugInfo when it's known that pass manager has + /// created it. Set by the target AsmPrinter. + void SetDebugInfo(MachineDebugInfo *DI) { DebugInfo = DI; } + + //===--------------------------------------------------------------------===// + // Main entry points. + // + + /// BeginModule - Emit all Dwarf sections that should come prior to the + /// content. + void BeginModule(Module &M); + + /// EndModule - Emit all Dwarf sections that should come after the content. + /// + void EndModule(Module &M); + + /// BeginFunction - Gather pre-function debug information. + /// + void BeginFunction(MachineFunction &MF); + + /// EndFunction - Gather and emit post-function debug information. + /// + void EndFunction(MachineFunction &MF); +}; } // end llvm namespace diff --git a/include/llvm/Support/Dwarf.h b/include/llvm/Support/Dwarf.h index a5b80a9..cfb8c6a 100644 --- a/include/llvm/Support/Dwarf.h +++ b/include/llvm/Support/Dwarf.h @@ -16,417 +16,501 @@ #ifndef LLVM_SUPPORT_DWARF_H #define LLVM_SUPPORT_DWARF_H -namespace llvm { - - //===--------------------------------------------------------------------===// - // Dwarf constants as gleaned from the DWARF Debugging Information Format V.3 - // reference manual http://dwarf.freestandards.org . - // - enum dwarf_constants { - DWARF_VERSION = 2, - - // Tags - DW_TAG_array_type = 0x01, - DW_TAG_class_type = 0x02, - DW_TAG_entry_point = 0x03, - DW_TAG_enumeration_type = 0x04, - DW_TAG_formal_parameter = 0x05, - DW_TAG_imported_declaration = 0x08, - DW_TAG_label = 0x0a, - DW_TAG_lexical_block = 0x0b, - DW_TAG_member = 0x0d, - DW_TAG_pointer_type = 0x0f, - DW_TAG_reference_type = 0x10, - DW_TAG_compile_unit = 0x11, - DW_TAG_string_type = 0x12, - DW_TAG_structure_type = 0x13, - DW_TAG_subroutine_type = 0x15, - DW_TAG_typedef = 0x16, - DW_TAG_union_type = 0x17, - DW_TAG_unspecified_parameters = 0x18, - DW_TAG_variant = 0x19, - DW_TAG_common_block = 0x1a, - DW_TAG_common_inclusion = 0x1b, - DW_TAG_inheritance = 0x1c, - DW_TAG_inlined_subroutine = 0x1d, - DW_TAG_module = 0x1e, - DW_TAG_ptr_to_member_type = 0x1f, - DW_TAG_set_type = 0x20, - DW_TAG_subrange_type = 0x21, - DW_TAG_with_stmt = 0x22, - DW_TAG_access_declaration = 0x23, - DW_TAG_base_type = 0x24, - DW_TAG_catch_block = 0x25, - DW_TAG_const_type = 0x26, - DW_TAG_constant = 0x27, - DW_TAG_enumerator = 0x28, - DW_TAG_file_type = 0x29, - DW_TAG_friend = 0x2a, - DW_TAG_namelist = 0x2b, - DW_TAG_namelist_item = 0x2c, - DW_TAG_packed_type = 0x2d, - DW_TAG_subprogram = 0x2e, - DW_TAG_template_type_parameter = 0x2f, - DW_TAG_template_value_parameter = 0x30, - DW_TAG_thrown_type = 0x31, - DW_TAG_try_block = 0x32, - DW_TAG_variant_part = 0x33, - DW_TAG_variable = 0x34, - DW_TAG_volatile_type = 0x35, - DW_TAG_dwarf_procedure = 0x36, - DW_TAG_restrict_type = 0x37, - DW_TAG_interface_type = 0x38, - DW_TAG_namespace = 0x39, - DW_TAG_imported_module = 0x3a, - DW_TAG_unspecified_type = 0x3b, - DW_TAG_partial_unit = 0x3c, - DW_TAG_imported_unit = 0x3d, - DW_TAG_condition = 0x3f, - DW_TAG_shared_type = 0x40, - DW_TAG_lo_user = 0x4080, - DW_TAG_hi_user = 0xffff, - - // Children flag - DW_CHILDREN_no = 0x00, - DW_CHILDREN_yes = 0x01, - - // Attributes - DW_AT_sibling = 0x01, - DW_AT_location = 0x02, - DW_AT_name = 0x03, - DW_AT_ordering = 0x09, - DW_AT_byte_size = 0x0b, - DW_AT_bit_offset = 0x0c, - DW_AT_bit_size = 0x0d, - DW_AT_stmt_list = 0x10, - DW_AT_low_pc = 0x11, - DW_AT_high_pc = 0x12, - DW_AT_language = 0x13, - DW_AT_discr = 0x15, - DW_AT_discr_value = 0x16, - DW_AT_visibility = 0x17, - DW_AT_import = 0x18, - DW_AT_string_length = 0x19, - DW_AT_common_reference = 0x1a, - DW_AT_comp_dir = 0x1b, - DW_AT_const_value = 0x1c, - DW_AT_containing_type = 0x1d, - DW_AT_default_value = 0x1e, - DW_AT_inline = 0x20, - DW_AT_is_optional = 0x21, - DW_AT_lower_bound = 0x22, - DW_AT_producer = 0x25, - DW_AT_prototyped = 0x27, - DW_AT_return_addr = 0x2a, - DW_AT_start_scope = 0x2c, - DW_AT_bit_stride = 0x2e, - DW_AT_upper_bound = 0x2f, - DW_AT_abstract_origin = 0x31, - DW_AT_accessibility = 0x32, - DW_AT_address_class = 0x33, - DW_AT_artificial = 0x34, - DW_AT_base_types = 0x35, - DW_AT_calling_convention = 0x36, - DW_AT_count = 0x37, - DW_AT_data_member_location = 0x38, - DW_AT_decl_column = 0x39, - DW_AT_decl_file = 0x3a, - DW_AT_decl_line = 0x3b, - DW_AT_declaration = 0x3c, - DW_AT_discr_list = 0x3d, - DW_AT_encoding = 0x3e, - DW_AT_external = 0x3f, - DW_AT_frame_base = 0x40, - DW_AT_friend = 0x41, - DW_AT_identifier_case = 0x42, - DW_AT_macro_info = 0x43, - DW_AT_namelist_item = 0x44, - DW_AT_priority = 0x45, - DW_AT_segment = 0x46, - DW_AT_specification = 0x47, - DW_AT_static_link = 0x48, - DW_AT_type = 0x49, - DW_AT_use_location = 0x4a, - DW_AT_variable_parameter = 0x4b, - DW_AT_virtuality = 0x4c, - DW_AT_vtable_elem_location = 0x4d, - DW_AT_allocated = 0x4e, - DW_AT_associated = 0x4f, - DW_AT_data_location = 0x50, - DW_AT_byte_stride = 0x51, - DW_AT_entry_pc = 0x52, - DW_AT_use_UTF8 = 0x53, - DW_AT_extension = 0x54, - DW_AT_ranges = 0x55, - DW_AT_trampoline = 0x56, - DW_AT_call_column = 0x57, - DW_AT_call_file = 0x58, - DW_AT_call_line = 0x59, - DW_AT_description = 0x5a, - DW_AT_binary_scale = 0x5b, - DW_AT_decimal_scale = 0x5c, - DW_AT_small = 0x5d, - DW_AT_decimal_sign = 0x5e, - DW_AT_digit_count = 0x5f, - DW_AT_picture_string = 0x60, - DW_AT_mutable = 0x61, - DW_AT_threads_scaled = 0x62, - DW_AT_explicit = 0x63, - DW_AT_object_pointer = 0x64, - DW_AT_endianity = 0x65, - DW_AT_elemental = 0x66, - DW_AT_pure = 0x67, - DW_AT_recursive = 0x68, - DW_AT_lo_user = 0x2000, - DW_AT_hi_user = 0x3fff, - - // Attribute form encodings - DW_FORM_addr = 0x01, - DW_FORM_block2 = 0x03, - DW_FORM_block4 = 0x04, - DW_FORM_data2 = 0x05, - DW_FORM_data4 = 0x06, - DW_FORM_data8 = 0x07, - DW_FORM_string = 0x08, - DW_FORM_block = 0x09, - DW_FORM_block1 = 0x0a, - DW_FORM_data1 = 0x0b, - DW_FORM_flag = 0x0c, - DW_FORM_sdata = 0x0d, - DW_FORM_strp = 0x0e, - DW_FORM_udata = 0x0f, - DW_FORM_ref_addr = 0x10, - DW_FORM_ref1 = 0x11, - DW_FORM_ref2 = 0x12, - DW_FORM_ref4 = 0x13, - DW_FORM_ref8 = 0x14, - DW_FORM_ref_udata = 0x15, - DW_FORM_indirect = 0x16, - - // Operation encodings - DW_OP_addr = 0x03, - DW_OP_deref = 0x06, - DW_OP_const1u = 0x08, - DW_OP_const1s = 0x09, - DW_OP_const2u = 0x0a, - DW_OP_const2s = 0x0b, - DW_OP_const4u = 0x0c, - DW_OP_const4s = 0x0d, - DW_OP_const8u = 0x0e, - DW_OP_const8s = 0x0f, - DW_OP_constu = 0x10, - DW_OP_consts = 0x11, - DW_OP_dup = 0x12, - DW_OP_drop = 0x13, - DW_OP_over = 0x14, - DW_OP_pick = 0x15, - DW_OP_swap = 0x16, - DW_OP_rot = 0x17, - DW_OP_xderef = 0x18, - DW_OP_abs = 0x19, - DW_OP_and = 0x1a, - DW_OP_div = 0x1b, - DW_OP_minus = 0x1c, - DW_OP_mod = 0x1d, - DW_OP_mul = 0x1e, - DW_OP_neg = 0x1f, - DW_OP_not = 0x20, - DW_OP_or = 0x21, - DW_OP_plus = 0x22, - DW_OP_plus_uconst = 0x23, - DW_OP_shl = 0x24, - DW_OP_shr = 0x25, - DW_OP_shra = 0x26, - DW_OP_xor = 0x27, - DW_OP_skip = 0x2f, - DW_OP_bra = 0x28, - DW_OP_eq = 0x29, - DW_OP_ge = 0x2a, - DW_OP_gt = 0x2b, - DW_OP_le = 0x2c, - DW_OP_lt = 0x2d, - DW_OP_ne = 0x2e, - DW_OP_lit0 = 0x30, - DW_OP_lit1 = 0x31, - DW_OP_lit31 = 0x4f, - DW_OP_reg0 = 0x50, - DW_OP_reg1 = 0x51, - DW_OP_reg31 = 0x6f, - DW_OP_breg0 = 0x70, - DW_OP_breg1 = 0x71, - DW_OP_breg31 = 0x8f, - DW_OP_regx = 0x90, - DW_OP_fbreg = 0x91, - DW_OP_bregx = 0x92, - DW_OP_piece = 0x93, - DW_OP_deref_size = 0x94, - DW_OP_xderef_size = 0x95, - DW_OP_nop = 0x96, - DW_OP_push_object_address = 0x97, - DW_OP_call2 = 0x98, - DW_OP_call4 = 0x99, - DW_OP_call_ref = 0x9a, - DW_OP_form_tls_address = 0x9b, - DW_OP_call_frame_cfa = 0x9c, - DW_OP_lo_user = 0xe0, - DW_OP_hi_user = 0xff, - - // Encoding attribute values - DW_ATE_address = 0x01, - DW_ATE_boolean = 0x02, - DW_ATE_complex_float = 0x03, - DW_ATE_float = 0x04, - DW_ATE_signed = 0x05, - DW_ATE_signed_char = 0x06, - DW_ATE_unsigned = 0x07, - DW_ATE_unsigned_char = 0x08, - DW_ATE_imaginary_float = 0x09, - DW_ATE_packed_decimal = 0x0a, - DW_ATE_numeric_string = 0x0b, - DW_ATE_edited = 0x0c, - DW_ATE_signed_fixed = 0x0d, - DW_ATE_unsigned_fixed = 0x0e, - DW_ATE_decimal_float = 0x0f, - DW_ATE_lo_user = 0x80, - DW_ATE_hi_user = 0xff, - - // Decimal sign attribute values - DW_DS_unsigned = 0x01, - DW_DS_leading_overpunch = 0x02, - DW_DS_trailing_overpunch = 0x03, - DW_DS_leading_separate = 0x04, - DW_DS_trailing_separate = 0x05, - - // Endianity attribute values - DW_END_default = 0x00, - DW_END_big = 0x01, - DW_END_little = 0x02, - DW_END_lo_user = 0x40, - DW_END_hi_user = 0xff, - - // Accessibility codes - DW_ACCESS_public = 0x01, - DW_ACCESS_protected = 0x02, - DW_ACCESS_private = 0x03, - - // Visibility codes - DW_VIS_local = 0x01, - DW_VIS_exported = 0x02, - DW_VIS_qualified = 0x03, - - // Virtuality codes - DW_VIRTUALITY_none = 0x00, - DW_VIRTUALITY_virtual = 0x01, - DW_VIRTUALITY_pure_virtual = 0x02, - - // Language names - DW_LANG_C89 = 0x0001, - DW_LANG_C = 0x0002, - DW_LANG_Ada83 = 0x0003, - DW_LANG_C_plus_plus = 0x0004, - DW_LANG_Cobol74 = 0x0005, - DW_LANG_Cobol85 = 0x0006, - DW_LANG_Fortran77 = 0x0007, - DW_LANG_Fortran90 = 0x0008, - DW_LANG_Pascal83 = 0x0009, - DW_LANG_Modula2 = 0x000a, - DW_LANG_Java = 0x000b, - DW_LANG_C99 = 0x000c, - DW_LANG_Ada95 = 0x000d, - DW_LANG_Fortran95 = 0x000e, - DW_LANG_PLI = 0x000f, - DW_LANG_ObjC = 0x0010, - DW_LANG_ObjC_plus_plus = 0x0011, - DW_LANG_UPC = 0x0012, - DW_LANG_D = 0x0013, - DW_LANG_lo_user = 0x8000, - DW_LANG_hi_user = 0xffff, - - // Identifier case codes - DW_ID_case_sensitive = 0x00, - DW_ID_up_case = 0x01, - DW_ID_down_case = 0x02, - DW_ID_case_insensitive = 0x03, - - // Calling convention codes - DW_CC_normal = 0x01, - DW_CC_program = 0x02, - DW_CC_nocall = 0x03, - DW_CC_lo_user = 0x40, - DW_CC_hi_user = 0xff, - - // Inline codes - DW_INL_not_inlined = 0x00, - DW_INL_inlined = 0x01, - DW_INL_declared_not_inlined = 0x02, - DW_INL_declared_inlined = 0x03, - - // Array ordering - DW_ORD_row_major = 0x00, - DW_ORD_col_major = 0x01, - - // Discriminant descriptor values - DW_DSC_label = 0x00, - DW_DSC_range = 0x01, - - // Line Number Standard Opcode Encodings - DW_LNS_copy = 0x01, - DW_LNS_advance_pc = 0x02, - DW_LNS_advance_line = 0x03, - DW_LNS_set_file = 0x04, - DW_LNS_set_column = 0x05, - DW_LNS_negate_stmt = 0x06, - DW_LNS_set_basic_block = 0x07, - DW_LNS_const_add_pc = 0x08, - DW_LNS_fixed_advance_pc = 0x09, - DW_LNS_set_prologue_end = 0x0a, - DW_LNS_set_epilogue_begin = 0x0b, - DW_LNS_set_isa = 0x0c, - - // Line Number Extended Opcode Encodings - DW_LNE_end_sequence = 0x01, - DW_LNE_set_address = 0x02, - DW_LNE_define_file = 0x03, - DW_LNE_lo_user = 0x80, - DW_LNE_hi_user = 0xff, - - // Macinfo Type Encodings - DW_MACINFO_define = 0x01, - DW_MACINFO_undef = 0x02, - DW_MACINFO_start_file = 0x03, - DW_MACINFO_end_file = 0x04, - DW_MACINFO_vendor_ext = 0xff, - - // Call frame instruction encodings - DW_CFA_advance_loc = 0x40, - DW_CFA_offset = 0x80, - DW_CFA_restore = 0xc0, - DW_CFA_set_loc = 0x01, - DW_CFA_advance_loc1 = 0x02, - DW_CFA_advance_loc2 = 0x03, - DW_CFA_advance_loc4 = 0x04, - DW_CFA_offset_extended = 0x05, - DW_CFA_restore_extended = 0x06, - DW_CFA_undefined = 0x07, - DW_CFA_same_value = 0x08, - DW_CFA_register = 0x09, - DW_CFA_remember_state = 0x0a, - DW_CFA_restore_state = 0x0b, - DW_CFA_def_cfa = 0x0c, - DW_CFA_def_cfa_register = 0x0d, - DW_CFA_def_cfa_offset = 0x0e, - DW_CFA_def_cfa_expression = 0x0f, - DW_CFA_expression = 0x10, - DW_CFA_offset_extended_sf = 0x11, - DW_CFA_def_cfa_sf = 0x12, - DW_CFA_def_cfa_offset_sf = 0x13, - DW_CFA_val_offset = 0x14, - DW_CFA_val_offset_sf = 0x15, - DW_CFA_val_expression = 0x16, - DW_CFA_lo_user = 0x1c, - DW_CFA_hi_user = 0x3f - }; +namespace dwarf { + +//===----------------------------------------------------------------------===// +// Dwarf constants as gleaned from the DWARF Debugging Information Format V.3 +// reference manual http://dwarf.freestandards.org . +// +enum dwarf_constants { + DWARF_VERSION = 2, + + // Tags + DW_TAG_array_type = 0x01, + DW_TAG_class_type = 0x02, + DW_TAG_entry_point = 0x03, + DW_TAG_enumeration_type = 0x04, + DW_TAG_formal_parameter = 0x05, + DW_TAG_imported_declaration = 0x08, + DW_TAG_label = 0x0a, + DW_TAG_lexical_block = 0x0b, + DW_TAG_member = 0x0d, + DW_TAG_pointer_type = 0x0f, + DW_TAG_reference_type = 0x10, + DW_TAG_compile_unit = 0x11, + DW_TAG_string_type = 0x12, + DW_TAG_structure_type = 0x13, + DW_TAG_subroutine_type = 0x15, + DW_TAG_typedef = 0x16, + DW_TAG_union_type = 0x17, + DW_TAG_unspecified_parameters = 0x18, + DW_TAG_variant = 0x19, + DW_TAG_common_block = 0x1a, + DW_TAG_common_inclusion = 0x1b, + DW_TAG_inheritance = 0x1c, + DW_TAG_inlined_subroutine = 0x1d, + DW_TAG_module = 0x1e, + DW_TAG_ptr_to_member_type = 0x1f, + DW_TAG_set_type = 0x20, + DW_TAG_subrange_type = 0x21, + DW_TAG_with_stmt = 0x22, + DW_TAG_access_declaration = 0x23, + DW_TAG_base_type = 0x24, + DW_TAG_catch_block = 0x25, + DW_TAG_const_type = 0x26, + DW_TAG_constant = 0x27, + DW_TAG_enumerator = 0x28, + DW_TAG_file_type = 0x29, + DW_TAG_friend = 0x2a, + DW_TAG_namelist = 0x2b, + DW_TAG_namelist_item = 0x2c, + DW_TAG_packed_type = 0x2d, + DW_TAG_subprogram = 0x2e, + DW_TAG_template_type_parameter = 0x2f, + DW_TAG_template_value_parameter = 0x30, + DW_TAG_thrown_type = 0x31, + DW_TAG_try_block = 0x32, + DW_TAG_variant_part = 0x33, + DW_TAG_variable = 0x34, + DW_TAG_volatile_type = 0x35, + DW_TAG_dwarf_procedure = 0x36, + DW_TAG_restrict_type = 0x37, + DW_TAG_interface_type = 0x38, + DW_TAG_namespace = 0x39, + DW_TAG_imported_module = 0x3a, + DW_TAG_unspecified_type = 0x3b, + DW_TAG_partial_unit = 0x3c, + DW_TAG_imported_unit = 0x3d, + DW_TAG_condition = 0x3f, + DW_TAG_shared_type = 0x40, + DW_TAG_lo_user = 0x4080, + DW_TAG_hi_user = 0xffff, + + // Children flag + DW_CHILDREN_no = 0x00, + DW_CHILDREN_yes = 0x01, + + // Attributes + DW_AT_sibling = 0x01, + DW_AT_location = 0x02, + DW_AT_name = 0x03, + DW_AT_ordering = 0x09, + DW_AT_byte_size = 0x0b, + DW_AT_bit_offset = 0x0c, + DW_AT_bit_size = 0x0d, + DW_AT_stmt_list = 0x10, + DW_AT_low_pc = 0x11, + DW_AT_high_pc = 0x12, + DW_AT_language = 0x13, + DW_AT_discr = 0x15, + DW_AT_discr_value = 0x16, + DW_AT_visibility = 0x17, + DW_AT_import = 0x18, + DW_AT_string_length = 0x19, + DW_AT_common_reference = 0x1a, + DW_AT_comp_dir = 0x1b, + DW_AT_const_value = 0x1c, + DW_AT_containing_type = 0x1d, + DW_AT_default_value = 0x1e, + DW_AT_inline = 0x20, + DW_AT_is_optional = 0x21, + DW_AT_lower_bound = 0x22, + DW_AT_producer = 0x25, + DW_AT_prototyped = 0x27, + DW_AT_return_addr = 0x2a, + DW_AT_start_scope = 0x2c, + DW_AT_bit_stride = 0x2e, + DW_AT_upper_bound = 0x2f, + DW_AT_abstract_origin = 0x31, + DW_AT_accessibility = 0x32, + DW_AT_address_class = 0x33, + DW_AT_artificial = 0x34, + DW_AT_base_types = 0x35, + DW_AT_calling_convention = 0x36, + DW_AT_count = 0x37, + DW_AT_data_member_location = 0x38, + DW_AT_decl_column = 0x39, + DW_AT_decl_file = 0x3a, + DW_AT_decl_line = 0x3b, + DW_AT_declaration = 0x3c, + DW_AT_discr_list = 0x3d, + DW_AT_encoding = 0x3e, + DW_AT_external = 0x3f, + DW_AT_frame_base = 0x40, + DW_AT_friend = 0x41, + DW_AT_identifier_case = 0x42, + DW_AT_macro_info = 0x43, + DW_AT_namelist_item = 0x44, + DW_AT_priority = 0x45, + DW_AT_segment = 0x46, + DW_AT_specification = 0x47, + DW_AT_static_link = 0x48, + DW_AT_type = 0x49, + DW_AT_use_location = 0x4a, + DW_AT_variable_parameter = 0x4b, + DW_AT_virtuality = 0x4c, + DW_AT_vtable_elem_location = 0x4d, + DW_AT_allocated = 0x4e, + DW_AT_associated = 0x4f, + DW_AT_data_location = 0x50, + DW_AT_byte_stride = 0x51, + DW_AT_entry_pc = 0x52, + DW_AT_use_UTF8 = 0x53, + DW_AT_extension = 0x54, + DW_AT_ranges = 0x55, + DW_AT_trampoline = 0x56, + DW_AT_call_column = 0x57, + DW_AT_call_file = 0x58, + DW_AT_call_line = 0x59, + DW_AT_description = 0x5a, + DW_AT_binary_scale = 0x5b, + DW_AT_decimal_scale = 0x5c, + DW_AT_small = 0x5d, + DW_AT_decimal_sign = 0x5e, + DW_AT_digit_count = 0x5f, + DW_AT_picture_string = 0x60, + DW_AT_mutable = 0x61, + DW_AT_threads_scaled = 0x62, + DW_AT_explicit = 0x63, + DW_AT_object_pointer = 0x64, + DW_AT_endianity = 0x65, + DW_AT_elemental = 0x66, + DW_AT_pure = 0x67, + DW_AT_recursive = 0x68, + DW_AT_lo_user = 0x2000, + DW_AT_hi_user = 0x3fff, + + // Attribute form encodings + DW_FORM_addr = 0x01, + DW_FORM_block2 = 0x03, + DW_FORM_block4 = 0x04, + DW_FORM_data2 = 0x05, + DW_FORM_data4 = 0x06, + DW_FORM_data8 = 0x07, + DW_FORM_string = 0x08, + DW_FORM_block = 0x09, + DW_FORM_block1 = 0x0a, + DW_FORM_data1 = 0x0b, + DW_FORM_flag = 0x0c, + DW_FORM_sdata = 0x0d, + DW_FORM_strp = 0x0e, + DW_FORM_udata = 0x0f, + DW_FORM_ref_addr = 0x10, + DW_FORM_ref1 = 0x11, + DW_FORM_ref2 = 0x12, + DW_FORM_ref4 = 0x13, + DW_FORM_ref8 = 0x14, + DW_FORM_ref_udata = 0x15, + DW_FORM_indirect = 0x16, + + // Operation encodings + DW_OP_addr = 0x03, + DW_OP_deref = 0x06, + DW_OP_const1u = 0x08, + DW_OP_const1s = 0x09, + DW_OP_const2u = 0x0a, + DW_OP_const2s = 0x0b, + DW_OP_const4u = 0x0c, + DW_OP_const4s = 0x0d, + DW_OP_const8u = 0x0e, + DW_OP_const8s = 0x0f, + DW_OP_constu = 0x10, + DW_OP_consts = 0x11, + DW_OP_dup = 0x12, + DW_OP_drop = 0x13, + DW_OP_over = 0x14, + DW_OP_pick = 0x15, + DW_OP_swap = 0x16, + DW_OP_rot = 0x17, + DW_OP_xderef = 0x18, + DW_OP_abs = 0x19, + DW_OP_and = 0x1a, + DW_OP_div = 0x1b, + DW_OP_minus = 0x1c, + DW_OP_mod = 0x1d, + DW_OP_mul = 0x1e, + DW_OP_neg = 0x1f, + DW_OP_not = 0x20, + DW_OP_or = 0x21, + DW_OP_plus = 0x22, + DW_OP_plus_uconst = 0x23, + DW_OP_shl = 0x24, + DW_OP_shr = 0x25, + DW_OP_shra = 0x26, + DW_OP_xor = 0x27, + DW_OP_skip = 0x2f, + DW_OP_bra = 0x28, + DW_OP_eq = 0x29, + DW_OP_ge = 0x2a, + DW_OP_gt = 0x2b, + DW_OP_le = 0x2c, + DW_OP_lt = 0x2d, + DW_OP_ne = 0x2e, + DW_OP_lit0 = 0x30, + DW_OP_lit1 = 0x31, + DW_OP_lit31 = 0x4f, + DW_OP_reg0 = 0x50, + DW_OP_reg1 = 0x51, + DW_OP_reg31 = 0x6f, + DW_OP_breg0 = 0x70, + DW_OP_breg1 = 0x71, + DW_OP_breg31 = 0x8f, + DW_OP_regx = 0x90, + DW_OP_fbreg = 0x91, + DW_OP_bregx = 0x92, + DW_OP_piece = 0x93, + DW_OP_deref_size = 0x94, + DW_OP_xderef_size = 0x95, + DW_OP_nop = 0x96, + DW_OP_push_object_address = 0x97, + DW_OP_call2 = 0x98, + DW_OP_call4 = 0x99, + DW_OP_call_ref = 0x9a, + DW_OP_form_tls_address = 0x9b, + DW_OP_call_frame_cfa = 0x9c, + DW_OP_lo_user = 0xe0, + DW_OP_hi_user = 0xff, + + // Encoding attribute values + DW_ATE_address = 0x01, + DW_ATE_boolean = 0x02, + DW_ATE_complex_float = 0x03, + DW_ATE_float = 0x04, + DW_ATE_signed = 0x05, + DW_ATE_signed_char = 0x06, + DW_ATE_unsigned = 0x07, + DW_ATE_unsigned_char = 0x08, + DW_ATE_imaginary_float = 0x09, + DW_ATE_packed_decimal = 0x0a, + DW_ATE_numeric_string = 0x0b, + DW_ATE_edited = 0x0c, + DW_ATE_signed_fixed = 0x0d, + DW_ATE_unsigned_fixed = 0x0e, + DW_ATE_decimal_float = 0x0f, + DW_ATE_lo_user = 0x80, + DW_ATE_hi_user = 0xff, + + // Decimal sign attribute values + DW_DS_unsigned = 0x01, + DW_DS_leading_overpunch = 0x02, + DW_DS_trailing_overpunch = 0x03, + DW_DS_leading_separate = 0x04, + DW_DS_trailing_separate = 0x05, + + // Endianity attribute values + DW_END_default = 0x00, + DW_END_big = 0x01, + DW_END_little = 0x02, + DW_END_lo_user = 0x40, + DW_END_hi_user = 0xff, + + // Accessibility codes + DW_ACCESS_public = 0x01, + DW_ACCESS_protected = 0x02, + DW_ACCESS_private = 0x03, + + // Visibility codes + DW_VIS_local = 0x01, + DW_VIS_exported = 0x02, + DW_VIS_qualified = 0x03, + + // Virtuality codes + DW_VIRTUALITY_none = 0x00, + DW_VIRTUALITY_virtual = 0x01, + DW_VIRTUALITY_pure_virtual = 0x02, -} // End of namespace llvm + // Language names + DW_LANG_C89 = 0x0001, + DW_LANG_C = 0x0002, + DW_LANG_Ada83 = 0x0003, + DW_LANG_C_plus_plus = 0x0004, + DW_LANG_Cobol74 = 0x0005, + DW_LANG_Cobol85 = 0x0006, + DW_LANG_Fortran77 = 0x0007, + DW_LANG_Fortran90 = 0x0008, + DW_LANG_Pascal83 = 0x0009, + DW_LANG_Modula2 = 0x000a, + DW_LANG_Java = 0x000b, + DW_LANG_C99 = 0x000c, + DW_LANG_Ada95 = 0x000d, + DW_LANG_Fortran95 = 0x000e, + DW_LANG_PLI = 0x000f, + DW_LANG_ObjC = 0x0010, + DW_LANG_ObjC_plus_plus = 0x0011, + DW_LANG_UPC = 0x0012, + DW_LANG_D = 0x0013, + DW_LANG_lo_user = 0x8000, + DW_LANG_hi_user = 0xffff, + + // Identifier case codes + DW_ID_case_sensitive = 0x00, + DW_ID_up_case = 0x01, + DW_ID_down_case = 0x02, + DW_ID_case_insensitive = 0x03, + + // Calling convention codes + DW_CC_normal = 0x01, + DW_CC_program = 0x02, + DW_CC_nocall = 0x03, + DW_CC_lo_user = 0x40, + DW_CC_hi_user = 0xff, + + // Inline codes + DW_INL_not_inlined = 0x00, + DW_INL_inlined = 0x01, + DW_INL_declared_not_inlined = 0x02, + DW_INL_declared_inlined = 0x03, + + // Array ordering + DW_ORD_row_major = 0x00, + DW_ORD_col_major = 0x01, + + // Discriminant descriptor values + DW_DSC_label = 0x00, + DW_DSC_range = 0x01, + + // Line Number Standard Opcode Encodings + DW_LNS_copy = 0x01, + DW_LNS_advance_pc = 0x02, + DW_LNS_advance_line = 0x03, + DW_LNS_set_file = 0x04, + DW_LNS_set_column = 0x05, + DW_LNS_negate_stmt = 0x06, + DW_LNS_set_basic_block = 0x07, + DW_LNS_const_add_pc = 0x08, + DW_LNS_fixed_advance_pc = 0x09, + DW_LNS_set_prologue_end = 0x0a, + DW_LNS_set_epilogue_begin = 0x0b, + DW_LNS_set_isa = 0x0c, + + // Line Number Extended Opcode Encodings + DW_LNE_end_sequence = 0x01, + DW_LNE_set_address = 0x02, + DW_LNE_define_file = 0x03, + DW_LNE_lo_user = 0x80, + DW_LNE_hi_user = 0xff, + + // Macinfo Type Encodings + DW_MACINFO_define = 0x01, + DW_MACINFO_undef = 0x02, + DW_MACINFO_start_file = 0x03, + DW_MACINFO_end_file = 0x04, + DW_MACINFO_vendor_ext = 0xff, + + // Call frame instruction encodings + DW_CFA_advance_loc = 0x40, + DW_CFA_offset = 0x80, + DW_CFA_restore = 0xc0, + DW_CFA_set_loc = 0x01, + DW_CFA_advance_loc1 = 0x02, + DW_CFA_advance_loc2 = 0x03, + DW_CFA_advance_loc4 = 0x04, + DW_CFA_offset_extended = 0x05, + DW_CFA_restore_extended = 0x06, + DW_CFA_undefined = 0x07, + DW_CFA_same_value = 0x08, + DW_CFA_register = 0x09, + DW_CFA_remember_state = 0x0a, + DW_CFA_restore_state = 0x0b, + DW_CFA_def_cfa = 0x0c, + DW_CFA_def_cfa_register = 0x0d, + DW_CFA_def_cfa_offset = 0x0e, + DW_CFA_def_cfa_expression = 0x0f, + DW_CFA_expression = 0x10, + DW_CFA_offset_extended_sf = 0x11, + DW_CFA_def_cfa_sf = 0x12, + DW_CFA_def_cfa_offset_sf = 0x13, + DW_CFA_val_offset = 0x14, + DW_CFA_val_offset_sf = 0x15, + DW_CFA_val_expression = 0x16, + DW_CFA_lo_user = 0x1c, + DW_CFA_hi_user = 0x3f +}; + +/// TagString - Return the string for the specified tag. +/// +const char *TagString(unsigned Tag); + +/// ChildrenString - Return the string for the specified children flag. +/// +const char *ChildrenString(unsigned Children); + +/// AttributeString - Return the string for the specified attribute. +/// +const char *AttributeString(unsigned Attribute); + +/// FormEncodingString - Return the string for the specified form encoding. +/// +const char *FormEncodingString(unsigned Encoding); + +/// OperationEncodingString - Return the string for the specified operation +/// encoding. +const char *OperationEncodingString(unsigned Encoding); + +/// AttributeEncodingString - Return the string for the specified attribute +/// encoding. +const char *AttributeEncodingString(unsigned Encoding); + +/// DecimalSignString - Return the string for the specified decimal sign +/// attribute. +const char *DecimalSignString(unsigned Sign); + +/// EndianityString - Return the string for the specified endianity. +/// +const char *EndianityString(unsigned Endian); + +/// AccessibilityString - Return the string for the specified accessibility. +/// +const char *AccessibilityString(unsigned Access); + +/// VisibilityString - Return the string for the specified visibility. +/// +const char *VisibilityString(unsigned Visibility); + +/// VirtualityString - Return the string for the specified virtuality. +/// +const char *VirtualityString(unsigned Virtuality); + +/// LanguageString - Return the string for the specified language. +/// +const char *LanguageString(unsigned Language); + +/// CaseString - Return the string for the specified identifier case. +/// +const char *CaseString(unsigned Case); + +/// ConventionString - Return the string for the specified calling convention. +/// +const char *ConventionString(unsigned Convention); + +/// InlineCodeString - Return the string for the specified inline code. +/// +const char *InlineCodeString(unsigned Code); + +/// ArrayOrderString - Return the string for the specified array order. +/// +const char *ArrayOrderString(unsigned Order); + +/// DiscriminantString - Return the string for the specified discriminant +/// descriptor. +const char *DiscriminantString(unsigned Discriminant); + +/// LNStandardString - Return the string for the specified line number standard. +/// +const char *LNStandardString(unsigned Standard); + +/// LNExtendedString - Return the string for the specified line number extended +/// opcode encodings. +const char *LNExtendedString(unsigned Encoding); + +/// MacinfoString - Return the string for the specified macinfo type encodings. +/// +const char *MacinfoString(unsigned Encoding); + +/// CallFrameString - Return the string for the specified call frame instruction +/// encodings. +const char *CallFrameString(unsigned Encoding); + +} // End of namespace dwarf #endif diff --git a/lib/CodeGen/DwarfWriter.cpp b/lib/CodeGen/DwarfWriter.cpp index c714cad..fee0a65 100644 --- a/lib/CodeGen/DwarfWriter.cpp +++ b/lib/CodeGen/DwarfWriter.cpp @@ -26,563 +26,338 @@ #include <iostream> using namespace llvm; +using namespace dwarf; static cl::opt<bool> DwarfVerbose("dwarf-verbose", cl::Hidden, cl::desc("Add comments to Dwarf directives.")); +namespace llvm { + //===----------------------------------------------------------------------===// +// Forward declarations. +// +class CompileUnit; +class DIE; -/// TagString - Return the string for the specified tag. -/// -static const char *TagString(unsigned Tag) { - switch(Tag) { - case DW_TAG_array_type: return "TAG_array_type"; - case DW_TAG_class_type: return "TAG_class_type"; - case DW_TAG_entry_point: return "TAG_entry_point"; - case DW_TAG_enumeration_type: return "TAG_enumeration_type"; - case DW_TAG_formal_parameter: return "TAG_formal_parameter"; - case DW_TAG_imported_declaration: return "TAG_imported_declaration"; - case DW_TAG_label: return "TAG_label"; - case DW_TAG_lexical_block: return "TAG_lexical_block"; - case DW_TAG_member: return "TAG_member"; - case DW_TAG_pointer_type: return "TAG_pointer_type"; - case DW_TAG_reference_type: return "TAG_reference_type"; - case DW_TAG_compile_unit: return "TAG_compile_unit"; - case DW_TAG_string_type: return "TAG_string_type"; - case DW_TAG_structure_type: return "TAG_structure_type"; - case DW_TAG_subroutine_type: return "TAG_subroutine_type"; - case DW_TAG_typedef: return "TAG_typedef"; - case DW_TAG_union_type: return "TAG_union_type"; - case DW_TAG_unspecified_parameters: return "TAG_unspecified_parameters"; - case DW_TAG_variant: return "TAG_variant"; - case DW_TAG_common_block: return "TAG_common_block"; - case DW_TAG_common_inclusion: return "TAG_common_inclusion"; - case DW_TAG_inheritance: return "TAG_inheritance"; - case DW_TAG_inlined_subroutine: return "TAG_inlined_subroutine"; - case DW_TAG_module: return "TAG_module"; - case DW_TAG_ptr_to_member_type: return "TAG_ptr_to_member_type"; - case DW_TAG_set_type: return "TAG_set_type"; - case DW_TAG_subrange_type: return "TAG_subrange_type"; - case DW_TAG_with_stmt: return "TAG_with_stmt"; - case DW_TAG_access_declaration: return "TAG_access_declaration"; - case DW_TAG_base_type: return "TAG_base_type"; - case DW_TAG_catch_block: return "TAG_catch_block"; - case DW_TAG_const_type: return "TAG_const_type"; - case DW_TAG_constant: return "TAG_constant"; - case DW_TAG_enumerator: return "TAG_enumerator"; - case DW_TAG_file_type: return "TAG_file_type"; - case DW_TAG_friend: return "TAG_friend"; - case DW_TAG_namelist: return "TAG_namelist"; - case DW_TAG_namelist_item: return "TAG_namelist_item"; - case DW_TAG_packed_type: return "TAG_packed_type"; - case DW_TAG_subprogram: return "TAG_subprogram"; - case DW_TAG_template_type_parameter: return "TAG_template_type_parameter"; - case DW_TAG_template_value_parameter: return "TAG_template_value_parameter"; - case DW_TAG_thrown_type: return "TAG_thrown_type"; - case DW_TAG_try_block: return "TAG_try_block"; - case DW_TAG_variant_part: return "TAG_variant_part"; - case DW_TAG_variable: return "TAG_variable"; - case DW_TAG_volatile_type: return "TAG_volatile_type"; - case DW_TAG_dwarf_procedure: return "TAG_dwarf_procedure"; - case DW_TAG_restrict_type: return "TAG_restrict_type"; - case DW_TAG_interface_type: return "TAG_interface_type"; - case DW_TAG_namespace: return "TAG_namespace"; - case DW_TAG_imported_module: return "TAG_imported_module"; - case DW_TAG_unspecified_type: return "TAG_unspecified_type"; - case DW_TAG_partial_unit: return "TAG_partial_unit"; - case DW_TAG_imported_unit: return "TAG_imported_unit"; - case DW_TAG_condition: return "TAG_condition"; - case DW_TAG_shared_type: return "TAG_shared_type"; - case DW_TAG_lo_user: return "TAG_lo_user"; - case DW_TAG_hi_user: return "TAG_hi_user"; +//===----------------------------------------------------------------------===// +// DIEAbbrevData - Dwarf abbreviation data, describes the one attribute of a +// Dwarf abbreviation. +class DIEAbbrevData { +private: + unsigned Attribute; // Dwarf attribute code. + unsigned Form; // Dwarf form code. + +public: + DIEAbbrevData(unsigned A, unsigned F) + : Attribute(A) + , Form(F) + {} + + // Accessors + unsigned getAttribute() const { return Attribute; } + unsigned getForm() const { return Form; } + + /// operator== - Used by DIEAbbrev to locate entry. + /// + bool operator==(const DIEAbbrevData &DAD) const { + return Attribute == DAD.Attribute && Form == DAD.Form; } - assert(0 && "Unknown Dwarf Tag"); - return ""; -} -/// ChildrenString - Return the string for the specified children flag. -/// -static const char *ChildrenString(unsigned Children) { - switch(Children) { - case DW_CHILDREN_no: return "CHILDREN_no"; - case DW_CHILDREN_yes: return "CHILDREN_yes"; + /// operator!= - Used by DIEAbbrev to locate entry. + /// + bool operator!=(const DIEAbbrevData &DAD) const { + return Attribute != DAD.Attribute || Form != DAD.Form; } - assert(0 && "Unknown Dwarf ChildrenFlag"); - return ""; -} - -/// AttributeString - Return the string for the specified attribute. -/// -static const char *AttributeString(unsigned Attribute) { - switch(Attribute) { - case DW_AT_sibling: return "AT_sibling"; - case DW_AT_location: return "AT_location"; - case DW_AT_name: return "AT_name"; - case DW_AT_ordering: return "AT_ordering"; - case DW_AT_byte_size: return "AT_byte_size"; - case DW_AT_bit_offset: return "AT_bit_offset"; - case DW_AT_bit_size: return "AT_bit_size"; - case DW_AT_stmt_list: return "AT_stmt_list"; - case DW_AT_low_pc: return "AT_low_pc"; - case DW_AT_high_pc: return "AT_high_pc"; - case DW_AT_language: return "AT_language"; - case DW_AT_discr: return "AT_discr"; - case DW_AT_discr_value: return "AT_discr_value"; - case DW_AT_visibility: return "AT_visibility"; - case DW_AT_import: return "AT_import"; - case DW_AT_string_length: return "AT_string_length"; - case DW_AT_common_reference: return "AT_common_reference"; - case DW_AT_comp_dir: return "AT_comp_dir"; - case DW_AT_const_value: return "AT_const_value"; - case DW_AT_containing_type: return "AT_containing_type"; - case DW_AT_default_value: return "AT_default_value"; - case DW_AT_inline: return "AT_inline"; - case DW_AT_is_optional: return "AT_is_optional"; - case DW_AT_lower_bound: return "AT_lower_bound"; - case DW_AT_producer: return "AT_producer"; - case DW_AT_prototyped: return "AT_prototyped"; - case DW_AT_return_addr: return "AT_return_addr"; - case DW_AT_start_scope: return "AT_start_scope"; - case DW_AT_bit_stride: return "AT_bit_stride"; - case DW_AT_upper_bound: return "AT_upper_bound"; - case DW_AT_abstract_origin: return "AT_abstract_origin"; - case DW_AT_accessibility: return "AT_accessibility"; - case DW_AT_address_class: return "AT_address_class"; - case DW_AT_artificial: return "AT_artificial"; - case DW_AT_base_types: return "AT_base_types"; - case DW_AT_calling_convention: return "AT_calling_convention"; - case DW_AT_count: return "AT_count"; - case DW_AT_data_member_location: return "AT_data_member_location"; - case DW_AT_decl_column: return "AT_decl_column"; - case DW_AT_decl_file: return "AT_decl_file"; - case DW_AT_decl_line: return "AT_decl_line"; - case DW_AT_declaration: return "AT_declaration"; - case DW_AT_discr_list: return "AT_discr_list"; - case DW_AT_encoding: return "AT_encoding"; - case DW_AT_external: return "AT_external"; - case DW_AT_frame_base: return "AT_frame_base"; - case DW_AT_friend: return "AT_friend"; - case DW_AT_identifier_case: return "AT_identifier_case"; - case DW_AT_macro_info: return "AT_macro_info"; - case DW_AT_namelist_item: return "AT_namelist_item"; - case DW_AT_priority: return "AT_priority"; - case DW_AT_segment: return "AT_segment"; - case DW_AT_specification: return "AT_specification"; - case DW_AT_static_link: return "AT_static_link"; - case DW_AT_type: return "AT_type"; - case DW_AT_use_location: return "AT_use_location"; - case DW_AT_variable_parameter: return "AT_variable_parameter"; - case DW_AT_virtuality: return "AT_virtuality"; - case DW_AT_vtable_elem_location: return "AT_vtable_elem_location"; - case DW_AT_allocated: return "AT_allocated"; - case DW_AT_associated: return "AT_associated"; - case DW_AT_data_location: return "AT_data_location"; - case DW_AT_byte_stride: return "AT_byte_stride"; - case DW_AT_entry_pc: return "AT_entry_pc"; - case DW_AT_use_UTF8: return "AT_use_UTF8"; - case DW_AT_extension: return "AT_extension"; - case DW_AT_ranges: return "AT_ranges"; - case DW_AT_trampoline: return "AT_trampoline"; - case DW_AT_call_column: return "AT_call_column"; - case DW_AT_call_file: return "AT_call_file"; - case DW_AT_call_line: return "AT_call_line"; - case DW_AT_description: return "AT_description"; - case DW_AT_binary_scale: return "AT_binary_scale"; - case DW_AT_decimal_scale: return "AT_decimal_scale"; - case DW_AT_small: return "AT_small"; - case DW_AT_decimal_sign: return "AT_decimal_sign"; - case DW_AT_digit_count: return "AT_digit_count"; - case DW_AT_picture_string: return "AT_picture_string"; - case DW_AT_mutable: return "AT_mutable"; - case DW_AT_threads_scaled: return "AT_threads_scaled"; - case DW_AT_explicit: return "AT_explicit"; - case DW_AT_object_pointer: return "AT_object_pointer"; - case DW_AT_endianity: return "AT_endianity"; - case DW_AT_elemental: return "AT_elemental"; - case DW_AT_pure: return "AT_pure"; - case DW_AT_recursive: return "AT_recursive"; - case DW_AT_lo_user: return "AT_lo_user"; - case DW_AT_hi_user: return "AT_hi_user"; + + /// operator< - Used by DIEAbbrev to locate entry. + /// + bool operator<(const DIEAbbrevData &DAD) const { + return Attribute < DAD.Attribute || + (Attribute == DAD.Attribute && Form < DAD.Form); } - assert(0 && "Unknown Dwarf Attribute"); - return ""; -} +}; -/// FormEncodingString - Return the string for the specified form encoding. -/// -static const char *FormEncodingString(unsigned Encoding) { - switch(Encoding) { - case DW_FORM_addr: return "FORM_addr"; - case DW_FORM_block2: return "FORM_block2"; - case DW_FORM_block4: return "FORM_block4"; - case DW_FORM_data2: return "FORM_data2"; - case DW_FORM_data4: return "FORM_data4"; - case DW_FORM_data8: return "FORM_data8"; - case DW_FORM_string: return "FORM_string"; - case DW_FORM_block: return "FORM_block"; - case DW_FORM_block1: return "FORM_block1"; - case DW_FORM_data1: return "FORM_data1"; - case DW_FORM_flag: return "FORM_flag"; - case DW_FORM_sdata: return "FORM_sdata"; - case DW_FORM_strp: return "FORM_strp"; - case DW_FORM_udata: return "FORM_udata"; - case DW_FORM_ref_addr: return "FORM_ref_addr"; - case DW_FORM_ref1: return "FORM_ref1"; - case DW_FORM_ref2: return "FORM_ref2"; - case DW_FORM_ref4: return "FORM_ref4"; - case DW_FORM_ref8: return "FORM_ref8"; - case DW_FORM_ref_udata: return "FORM_ref_udata"; - case DW_FORM_indirect: return "FORM_indirect"; - } - assert(0 && "Unknown Dwarf Form Encoding"); - return ""; -} - -/// OperationEncodingString - Return the string for the specified operation -/// encoding. -static const char *OperationEncodingString(unsigned Encoding) { - switch(Encoding) { - case DW_OP_addr: return "OP_addr"; - case DW_OP_deref: return "OP_deref"; - case DW_OP_const1u: return "OP_const1u"; - case DW_OP_const1s: return "OP_const1s"; - case DW_OP_const2u: return "OP_const2u"; - case DW_OP_const2s: return "OP_const2s"; - case DW_OP_const4u: return "OP_const4u"; - case DW_OP_const4s: return "OP_const4s"; - case DW_OP_const8u: return "OP_const8u"; - case DW_OP_const8s: return "OP_const8s"; - case DW_OP_constu: return "OP_constu"; - case DW_OP_consts: return "OP_consts"; - case DW_OP_dup: return "OP_dup"; - case DW_OP_drop: return "OP_drop"; - case DW_OP_over: return "OP_over"; - case DW_OP_pick: return "OP_pick"; - case DW_OP_swap: return "OP_swap"; - case DW_OP_rot: return "OP_rot"; - case DW_OP_xderef: return "OP_xderef"; - case DW_OP_abs: return "OP_abs"; - case DW_OP_and: return "OP_and"; - case DW_OP_div: return "OP_div"; - case DW_OP_minus: return "OP_minus"; - case DW_OP_mod: return "OP_mod"; - case DW_OP_mul: return "OP_mul"; - case DW_OP_neg: return "OP_neg"; - case DW_OP_not: return "OP_not"; - case DW_OP_or: return "OP_or"; - case DW_OP_plus: return "OP_plus"; - case DW_OP_plus_uconst: return "OP_plus_uconst"; - case DW_OP_shl: return "OP_shl"; - case DW_OP_shr: return "OP_shr"; - case DW_OP_shra: return "OP_shra"; - case DW_OP_xor: return "OP_xor"; - case DW_OP_skip: return "OP_skip"; - case DW_OP_bra: return "OP_bra"; - case DW_OP_eq: return "OP_eq"; - case DW_OP_ge: return "OP_ge"; - case DW_OP_gt: return "OP_gt"; - case DW_OP_le: return "OP_le"; - case DW_OP_lt: return "OP_lt"; - case DW_OP_ne: return "OP_ne"; - case DW_OP_lit0: return "OP_lit0"; - case DW_OP_lit1: return "OP_lit1"; - case DW_OP_lit31: return "OP_lit31"; - case DW_OP_reg0: return "OP_reg0"; - case DW_OP_reg1: return "OP_reg1"; - case DW_OP_reg31: return "OP_reg31"; - case DW_OP_breg0: return "OP_breg0"; - case DW_OP_breg1: return "OP_breg1"; - case DW_OP_breg31: return "OP_breg31"; - case DW_OP_regx: return "OP_regx"; - case DW_OP_fbreg: return "OP_fbreg"; - case DW_OP_bregx: return "OP_bregx"; - case DW_OP_piece: return "OP_piece"; - case DW_OP_deref_size: return "OP_deref_size"; - case DW_OP_xderef_size: return "OP_xderef_size"; - case DW_OP_nop: return "OP_nop"; - case DW_OP_push_object_address: return "OP_push_object_address"; - case DW_OP_call2: return "OP_call2"; - case DW_OP_call4: return "OP_call4"; - case DW_OP_call_ref: return "OP_call_ref"; - case DW_OP_form_tls_address: return "OP_form_tls_address"; - case DW_OP_call_frame_cfa: return "OP_call_frame_cfa"; - case DW_OP_lo_user: return "OP_lo_user"; - case DW_OP_hi_user: return "OP_hi_user"; - } - assert(0 && "Unknown Dwarf Operation Encoding"); - return ""; -} - -/// AttributeEncodingString - Return the string for the specified attribute -/// encoding. -static const char *AttributeEncodingString(unsigned Encoding) { - switch(Encoding) { - case DW_ATE_address: return "ATE_address"; - case DW_ATE_boolean: return "ATE_boolean"; - case DW_ATE_complex_float: return "ATE_complex_float"; - case DW_ATE_float: return "ATE_float"; - case DW_ATE_signed: return "ATE_signed"; - case DW_ATE_signed_char: return "ATE_signed_char"; - case DW_ATE_unsigned: return "ATE_unsigned"; - case DW_ATE_unsigned_char: return "ATE_unsigned_char"; - case DW_ATE_imaginary_float: return "ATE_imaginary_float"; - case DW_ATE_packed_decimal: return "ATE_packed_decimal"; - case DW_ATE_numeric_string: return "ATE_numeric_string"; - case DW_ATE_edited: return "ATE_edited"; - case DW_ATE_signed_fixed: return "ATE_signed_fixed"; - case DW_ATE_unsigned_fixed: return "ATE_unsigned_fixed"; - case DW_ATE_decimal_float: return "ATE_decimal_float"; - case DW_ATE_lo_user: return "ATE_lo_user"; - case DW_ATE_hi_user: return "ATE_hi_user"; - } - assert(0 && "Unknown Dwarf Attribute Encoding"); - return ""; -} - -/// DecimalSignString - Return the string for the specified decimal sign -/// attribute. -static const char *DecimalSignString(unsigned Sign) { - switch(Sign) { - case DW_DS_unsigned: return "DS_unsigned"; - case DW_DS_leading_overpunch: return "DS_leading_overpunch"; - case DW_DS_trailing_overpunch: return "DS_trailing_overpunch"; - case DW_DS_leading_separate: return "DS_leading_separate"; - case DW_DS_trailing_separate: return "DS_trailing_separate"; +//===----------------------------------------------------------------------===// +// DIEAbbrev - Dwarf abbreviation, describes the organization of a debug +// information object. +class DIEAbbrev { +private: + unsigned Tag; // Dwarf tag code. + unsigned ChildrenFlag; // Dwarf children flag. + std::vector<DIEAbbrevData> Data; // Raw data bytes for abbreviation. + +public: + + DIEAbbrev(unsigned T, unsigned C) + : Tag(T) + , ChildrenFlag(C) + , Data() + {} + ~DIEAbbrev() {} + + // Accessors + unsigned getTag() const { return Tag; } + unsigned getChildrenFlag() const { return ChildrenFlag; } + const std::vector<DIEAbbrevData> &getData() const { return Data; } + void setChildrenFlag(unsigned CF) { ChildrenFlag = CF; } + + /// operator== - Used by UniqueVector to locate entry. + /// + bool operator==(const DIEAbbrev &DA) const; + + /// operator< - Used by UniqueVector to locate entry. + /// + bool operator<(const DIEAbbrev &DA) const; + + /// AddAttribute - Adds another set of attribute information to the + /// abbreviation. + void AddAttribute(unsigned Attribute, unsigned Form) { + Data.push_back(DIEAbbrevData(Attribute, Form)); } - assert(0 && "Unknown Dwarf Decimal Sign Attribute"); - return ""; -} + + /// Emit - Print the abbreviation using the specified Dwarf writer. + /// + void Emit(const DwarfWriter &DW) const; + +#ifndef NDEBUG + void print(std::ostream &O); + void dump(); +#endif +}; -/// EndianityString - Return the string for the specified endianity. -/// -static const char *EndianityString(unsigned Endian) { - switch(Endian) { - case DW_END_default: return "END_default"; - case DW_END_big: return "END_big"; - case DW_END_little: return "END_little"; - case DW_END_lo_user: return "END_lo_user"; - case DW_END_hi_user: return "END_hi_user"; - } - assert(0 && "Unknown Dwarf Endianity"); - return ""; -} +//===----------------------------------------------------------------------===// +// DIEValue - A debug information entry value. +// +class DIEValue { +public: + enum { + isInteger, + isString, + isLabel, + isAsIsLabel, + isDelta, + isEntry + }; + + unsigned Type; // Type of the value + + DIEValue(unsigned T) : Type(T) {} + virtual ~DIEValue() {} + + // Implement isa/cast/dyncast. + static bool classof(const DIEValue *) { return true; } + + /// EmitValue - Emit value via the Dwarf writer. + /// + virtual void EmitValue(const DwarfWriter &DW, unsigned Form) const = 0; + + /// SizeOf - Return the size of a value in bytes. + /// + virtual unsigned SizeOf(const DwarfWriter &DW, unsigned Form) const = 0; +}; -/// AccessibilityString - Return the string for the specified accessibility. -/// -static const char *AccessibilityString(unsigned Access) { - switch(Access) { - // Accessibility codes - case DW_ACCESS_public: return "ACCESS_public"; - case DW_ACCESS_protected: return "ACCESS_protected"; - case DW_ACCESS_private: return "ACCESS_private"; - } - assert(0 && "Unknown Dwarf Accessibility"); - return ""; -} +//===----------------------------------------------------------------------===// +// DWInteger - An integer value DIE. +// +class DIEInteger : public DIEValue { +private: + uint64_t Integer; + +public: + DIEInteger(uint64_t I) : DIEValue(isInteger), Integer(I) {} -/// VisibilityString - Return the string for the specified visibility. -/// -static const char *VisibilityString(unsigned Visibility) { - switch(Visibility) { - case DW_VIS_local: return "VIS_local"; - case DW_VIS_exported: return "VIS_exported"; - case DW_VIS_qualified: return "VIS_qualified"; - } - assert(0 && "Unknown Dwarf Visibility"); - return ""; -} + // Implement isa/cast/dyncast. + static bool classof(const DIEInteger *) { return true; } + static bool classof(const DIEValue *I) { return I->Type == isInteger; } + + /// EmitValue - Emit integer of appropriate size. + /// + virtual void EmitValue(const DwarfWriter &DW, unsigned Form) const; + + /// SizeOf - Determine size of integer value in bytes. + /// + virtual unsigned SizeOf(const DwarfWriter &DW, unsigned Form) const; +}; -/// VirtualityString - Return the string for the specified virtuality. -/// -static const char *VirtualityString(unsigned Virtuality) { - switch(Virtuality) { - case DW_VIRTUALITY_none: return "VIRTUALITY_none"; - case DW_VIRTUALITY_virtual: return "VIRTUALITY_virtual"; - case DW_VIRTUALITY_pure_virtual: return "VIRTUALITY_pure_virtual"; - } - assert(0 && "Unknown Dwarf Virtuality"); - return ""; -} +//===----------------------------------------------------------------------===// +// DIEString - A string value DIE. +// +struct DIEString : public DIEValue { + const std::string String; + + DIEString(const std::string &S) : DIEValue(isString), String(S) {} -/// LanguageString - Return the string for the specified language. -/// -static const char *LanguageString(unsigned Language) { - switch(Language) { - case DW_LANG_C89: return "LANG_C89"; - case DW_LANG_C: return "LANG_C"; - case DW_LANG_Ada83: return "LANG_Ada83"; - case DW_LANG_C_plus_plus: return "LANG_C_plus_plus"; - case DW_LANG_Cobol74: return "LANG_Cobol74"; - case DW_LANG_Cobol85: return "LANG_Cobol85"; - case DW_LANG_Fortran77: return "LANG_Fortran77"; - case DW_LANG_Fortran90: return "LANG_Fortran90"; - case DW_LANG_Pascal83: return "LANG_Pascal83"; - case DW_LANG_Modula2: return "LANG_Modula2"; - case DW_LANG_Java: return "LANG_Java"; - case DW_LANG_C99: return "LANG_C99"; - case DW_LANG_Ada95: return "LANG_Ada95"; - case DW_LANG_Fortran95: return "LANG_Fortran95"; - case DW_LANG_PLI: return "LANG_PLI"; - case DW_LANG_ObjC: return "LANG_ObjC"; - case DW_LANG_ObjC_plus_plus: return "LANG_ObjC_plus_plus"; - case DW_LANG_UPC: return "LANG_UPC"; - case DW_LANG_D: return "LANG_D"; - case DW_LANG_lo_user: return "LANG_lo_user"; - case DW_LANG_hi_user: return "LANG_hi_user"; - } - assert(0 && "Unknown Dwarf Language"); - return ""; -} + // Implement isa/cast/dyncast. + static bool classof(const DIEString *) { return true; } + static bool classof(const DIEValue *S) { return S->Type == isString; } + + /// EmitValue - Emit string value. + /// + virtual void EmitValue(const DwarfWriter &DW, unsigned Form) const; + + /// SizeOf - Determine size of string value in bytes. + /// + virtual unsigned SizeOf(const DwarfWriter &DW, unsigned Form) const; +}; -/// CaseString - Return the string for the specified identifier case. -/// -static const char *CaseString(unsigned Case) { - switch(Case) { - case DW_ID_case_sensitive: return "ID_case_sensitive"; - case DW_ID_up_case: return "ID_up_case"; - case DW_ID_down_case: return "ID_down_case"; - case DW_ID_case_insensitive: return "ID_case_insensitive"; - } - assert(0 && "Unknown Dwarf Identifier Case"); - return ""; -} +//===----------------------------------------------------------------------===// +// DIEDwarfLabel - A Dwarf internal label expression DIE. +// +struct DIEDwarfLabel : public DIEValue { + const DWLabel Label; + + DIEDwarfLabel(const DWLabel &L) : DIEValue(isLabel), Label(L) {} -/// ConventionString - Return the string for the specified calling convention. -/// -static const char *ConventionString(unsigned Convention) { - switch(Convention) { - case DW_CC_normal: return "CC_normal"; - case DW_CC_program: return "CC_program"; - case DW_CC_nocall: return "CC_nocall"; - case DW_CC_lo_user: return "CC_lo_user"; - case DW_CC_hi_user: return "CC_hi_user"; - } - assert(0 && "Unknown Dwarf Calling Convention"); - return ""; -} + // Implement isa/cast/dyncast. + static bool classof(const DIEDwarfLabel *) { return true; } + static bool classof(const DIEValue *L) { return L->Type == isLabel; } + + /// EmitValue - Emit label value. + /// + virtual void EmitValue(const DwarfWriter &DW, unsigned Form) const; + + /// SizeOf - Determine size of label value in bytes. + /// + virtual unsigned SizeOf(const DwarfWriter &DW, unsigned Form) const; +}; -/// InlineCodeString - Return the string for the specified inline code. -/// -static const char *InlineCodeString(unsigned Code) { - switch(Code) { - case DW_INL_not_inlined: return "INL_not_inlined"; - case DW_INL_inlined: return "INL_inlined"; - case DW_INL_declared_not_inlined: return "INL_declared_not_inlined"; - case DW_INL_declared_inlined: return "INL_declared_inlined"; - } - assert(0 && "Unknown Dwarf Inline Code"); - return ""; -} -/// ArrayOrderString - Return the string for the specified array order. -/// -static const char *ArrayOrderString(unsigned Order) { - switch(Order) { - case DW_ORD_row_major: return "ORD_row_major"; - case DW_ORD_col_major: return "ORD_col_major"; - } - assert(0 && "Unknown Dwarf Array Order"); - return ""; -} +//===----------------------------------------------------------------------===// +// DIEObjectLabel - A label to an object in code or data. +// +struct DIEObjectLabel : public DIEValue { + const std::string Label; + + DIEObjectLabel(const std::string &L) : DIEValue(isAsIsLabel), Label(L) {} -/// DiscriminantString - Return the string for the specified discriminant -/// descriptor. -static const char *DiscriminantString(unsigned Discriminant) { - switch(Discriminant) { - case DW_DSC_label: return "DSC_label"; - case DW_DSC_range: return "DSC_range"; - } - assert(0 && "Unknown Dwarf Discriminant Descriptor"); - return ""; -} + // Implement isa/cast/dyncast. + static bool classof(const DIEObjectLabel *) { return true; } + static bool classof(const DIEValue *L) { return L->Type == isAsIsLabel; } + + /// EmitValue - Emit label value. + /// + virtual void EmitValue(const DwarfWriter &DW, unsigned Form) const; + + /// SizeOf - Determine size of label value in bytes. + /// + virtual unsigned SizeOf(const DwarfWriter &DW, unsigned Form) const; +}; -/// LNStandardString - Return the string for the specified line number standard. -/// -static const char *LNStandardString(unsigned Standard) { - switch(Standard) { - case DW_LNS_copy: return "LNS_copy"; - case DW_LNS_advance_pc: return "LNS_advance_pc"; - case DW_LNS_advance_line: return "LNS_advance_line"; - case DW_LNS_set_file: return "LNS_set_file"; - case DW_LNS_set_column: return "LNS_set_column"; - case DW_LNS_negate_stmt: return "LNS_negate_stmt"; - case DW_LNS_set_basic_block: return "LNS_set_basic_block"; - case DW_LNS_const_add_pc: return "LNS_const_add_pc"; - case DW_LNS_fixed_advance_pc: return "LNS_fixed_advance_pc"; - case DW_LNS_set_prologue_end: return "LNS_set_prologue_end"; - case DW_LNS_set_epilogue_begin: return "LNS_set_epilogue_begin"; - case DW_LNS_set_isa: return "LNS_set_isa"; - } - assert(0 && "Unknown Dwarf Line Number Standard"); - return ""; -} - -/// LNExtendedString - Return the string for the specified line number extended -/// opcode encodings. -static const char *LNExtendedString(unsigned Encoding) { - switch(Encoding) { - // Line Number Extended Opcode Encodings - case DW_LNE_end_sequence: return "LNE_end_sequence"; - case DW_LNE_set_address: return "LNE_set_address"; - case DW_LNE_define_file: return "LNE_define_file"; - case DW_LNE_lo_user: return "LNE_lo_user"; - case DW_LNE_hi_user: return "LNE_hi_user"; - } - assert(0 && "Unknown Dwarf Line Number Extended Opcode Encoding"); - return ""; -} +//===----------------------------------------------------------------------===// +// DIEDelta - A simple label difference DIE. +// +struct DIEDelta : public DIEValue { + const DWLabel LabelHi; + const DWLabel LabelLo; + + DIEDelta(const DWLabel &Hi, const DWLabel &Lo) + : DIEValue(isDelta), LabelHi(Hi), LabelLo(Lo) {} -/// MacinfoString - Return the string for the specified macinfo type encodings. -/// -static const char *MacinfoString(unsigned Encoding) { - switch(Encoding) { - // Macinfo Type Encodings - case DW_MACINFO_define: return "MACINFO_define"; - case DW_MACINFO_undef: return "MACINFO_undef"; - case DW_MACINFO_start_file: return "MACINFO_start_file"; - case DW_MACINFO_end_file: return "MACINFO_end_file"; - case DW_MACINFO_vendor_ext: return "MACINFO_vendor_ext"; - } - assert(0 && "Unknown Dwarf Macinfo Type Encodings"); - return ""; -} - -/// CallFrameString - Return the string for the specified call frame instruction -/// encodings. -static const char *CallFrameString(unsigned Encoding) { - switch(Encoding) { - case DW_CFA_advance_loc: return "CFA_advance_loc"; - case DW_CFA_offset: return "CFA_offset"; - case DW_CFA_restore: return "CFA_restore"; - case DW_CFA_set_loc: return "CFA_set_loc"; - case DW_CFA_advance_loc1: return "CFA_advance_loc1"; - case DW_CFA_advance_loc2: return "CFA_advance_loc2"; - case DW_CFA_advance_loc4: return "CFA_advance_loc4"; - case DW_CFA_offset_extended: return "CFA_offset_extended"; - case DW_CFA_restore_extended: return "CFA_restore_extended"; - case DW_CFA_undefined: return "CFA_undefined"; - case DW_CFA_same_value: return "CFA_same_value"; - case DW_CFA_register: return "CFA_register"; - case DW_CFA_remember_state: return "CFA_remember_state"; - case DW_CFA_restore_state: return "CFA_restore_state"; - case DW_CFA_def_cfa: return "CFA_def_cfa"; - case DW_CFA_def_cfa_register: return "CFA_def_cfa_register"; - case DW_CFA_def_cfa_offset: return "CFA_def_cfa_offset"; - case DW_CFA_def_cfa_expression: return "CFA_def_cfa_expression"; - case DW_CFA_expression: return "CFA_expression"; - case DW_CFA_offset_extended_sf: return "CFA_offset_extended_sf"; - case DW_CFA_def_cfa_sf: return "CFA_def_cfa_sf"; - case DW_CFA_def_cfa_offset_sf: return "CFA_def_cfa_offset_sf"; - case DW_CFA_val_offset: return "CFA_val_offset"; - case DW_CFA_val_offset_sf: return "CFA_val_offset_sf"; - case DW_CFA_val_expression: return "CFA_val_expression"; - case DW_CFA_lo_user: return "CFA_lo_user"; - case DW_CFA_hi_user: return "CFA_hi_user"; - } - assert(0 && "Unknown Dwarf Call Frame Instruction Encodings"); - return ""; -} + // Implement isa/cast/dyncast. + static bool classof(const DIEDelta *) { return true; } + static bool classof(const DIEValue *D) { return D->Type == isDelta; } + + /// EmitValue - Emit delta value. + /// + virtual void EmitValue(const DwarfWriter &DW, unsigned Form) const; + + /// SizeOf - Determine size of delta value in bytes. + /// + virtual unsigned SizeOf(const DwarfWriter &DW, unsigned Form) const; +}; + +//===----------------------------------------------------------------------===// +// DIEntry - A pointer to a debug information entry. +// +struct DIEntry : public DIEValue { + DIE *Entry; + + DIEntry(DIE *E) : DIEValue(isEntry), Entry(E) {} + + // Implement isa/cast/dyncast. + static bool classof(const DIEntry *) { return true; } + static bool classof(const DIEValue *E) { return E->Type == isEntry; } + + /// EmitValue - Emit delta value. + /// + virtual void EmitValue(const DwarfWriter &DW, unsigned Form) const; + + /// SizeOf - Determine size of delta value in bytes. + /// + virtual unsigned SizeOf(const DwarfWriter &DW, unsigned Form) const; +}; + +//===----------------------------------------------------------------------===// +// DIE - A structured debug information entry. Has an abbreviation which +// describes it's organization. +class DIE { +private: + DIEAbbrev *Abbrev; // Temporary buffer for abbreviation. + unsigned AbbrevID; // Decribing abbreviation ID. + unsigned Offset; // Offset in debug info section. + unsigned Size; // Size of instance + children. + std::vector<DIE *> Children; // Children DIEs. + std::vector<DIEValue *> Values; // Attributes values. + +public: + DIE(unsigned Tag); + ~DIE(); + + // Accessors + unsigned getAbbrevID() const { return AbbrevID; } + unsigned getOffset() const { return Offset; } + unsigned getSize() const { return Size; } + const std::vector<DIE *> &getChildren() const { return Children; } + const std::vector<DIEValue *> &getValues() const { return Values; } + void setOffset(unsigned O) { Offset = O; } + void setSize(unsigned S) { Size = S; } + + /// SiblingOffset - Return the offset of the debug information entry's + /// sibling. + unsigned SiblingOffset() const { return Offset + Size; } + + /// AddUInt - Add an unsigned integer attribute data and value. + /// + void AddUInt(unsigned Attribute, unsigned Form, uint64_t Integer); + + /// AddSInt - Add an signed integer attribute data and value. + /// + void AddSInt(unsigned Attribute, unsigned Form, int64_t Integer); + + /// AddString - Add a std::string attribute data and value. + /// + void AddString(unsigned Attribute, unsigned Form, + const std::string &String); + + /// AddLabel - Add a Dwarf label attribute data and value. + /// + void AddLabel(unsigned Attribute, unsigned Form, const DWLabel &Label); + + /// AddObjectLabel - Add a non-Dwarf label attribute data and value. + /// + void AddObjectLabel(unsigned Attribute, unsigned Form, + const std::string &Label); + + /// AddDelta - Add a label delta attribute data and value. + /// + void AddDelta(unsigned Attribute, unsigned Form, + const DWLabel &Hi, const DWLabel &Lo); + + /// AddDIEntry - Add a DIE attribute data and value. + /// + void AddDIEntry(unsigned Attribute, unsigned Form, DIE *Entry); + + /// Complete - Indicate that all attributes have been added and + /// ready to get an abbreviation ID. + /// + void Complete(DwarfWriter &DW); + + /// AddChild - Add a child to the DIE. + void AddChild(DIE *Child); +}; + +} // End of namespace llvm //===----------------------------------------------------------------------===// @@ -1442,14 +1217,16 @@ void DwarfWriter::EmitDIE(DIE *Die) const { // Get the abbreviation for this DIE. unsigned AbbrevID = Die->getAbbrevID(); const DIEAbbrev &Abbrev = Abbreviations[AbbrevID]; + + O << "\n"; // Emit the code (index) for the abbreviation. EmitULEB128Bytes(AbbrevID); EOL(std::string("Abbrev [" + utostr(AbbrevID) + - "] " + - TagString(Abbrev.getTag())) + - " "); + "] 0x" + utohexstr(Die->getOffset()) + + ":0x" + utohexstr(Die->getSize()) + " " + + TagString(Abbrev.getTag()))); const std::vector<DIEValue *> &Values = Die->getValues(); const std::vector<DIEAbbrevData> &AbbrevData = Abbrev.getData(); @@ -1535,14 +1312,16 @@ unsigned DwarfWriter::SizeAndOffsetDie(DIE *Die, unsigned Offset) { /// SizeAndOffsets - Compute the size and offset of all the DIEs. /// void DwarfWriter::SizeAndOffsets() { - // Compute size of debug unit header - unsigned Offset = sizeof(int32_t) + // Length of Compilation Unit Info - sizeof(int16_t) + // DWARF version number - sizeof(int32_t) + // Offset Into Abbrev. Section - sizeof(int8_t); // Pointer Size (in bytes) + unsigned Offset = 0; // Process each compile unit. for (unsigned i = 0, N = CompileUnits.size(); i < N; ++i) { + // Compute size of compile unit header + Offset += sizeof(int32_t) + // Length of Compilation Unit Info + sizeof(int16_t) + // DWARF version number + sizeof(int32_t) + // Offset Into Abbrev. Section + sizeof(int8_t); // Pointer Size (in bytes) + Offset = SizeAndOffsetDie(CompileUnits[i], Offset); } } @@ -1559,26 +1338,28 @@ void DwarfWriter::EmitDebugInfo() const { // If there are any compile units. if (N) { EmitLabel("info_begin", 0); - - // Emit the compile units header. - // Emit size of content not including length itself - unsigned ContentSize = CompileUnits[N - 1]->SiblingOffset(); - EmitInt32(ContentSize - sizeof(int32_t)); - EOL("Length of Compilation Unit Info"); - - EmitInt16(DWARF_VERSION); EOL("DWARF version number"); - - EmitReference("abbrev_begin", 0); EOL("Offset Into Abbrev. Section"); - - EmitInt8(AddressSize); EOL("Address Size (in bytes)"); - // Process each compile unit. for (unsigned i = 0; i < N; ++i) { + // Emit the compile units header. + + // Emit size of content not including length itself + unsigned ContentSize = CompileUnits[i]->getSize() + + sizeof(int16_t) + // DWARF version number + sizeof(int32_t) + // Offset Into Abbrev. Section + sizeof(int8_t); // Pointer Size (in bytes) + + EmitInt32(ContentSize); EOL("Length of Compilation Unit Info"); + EmitInt16(DWARF_VERSION); EOL("DWARF version number"); + EmitReference("abbrev_begin", 0); EOL("Offset Into Abbrev. Section"); + EmitInt8(AddressSize); EOL("Address Size (in bytes)"); + EmitDIE(CompileUnits[i]); } - + EmitLabel("info_end", 0); + + O << "\n"; } } @@ -1603,9 +1384,13 @@ void DwarfWriter::EmitAbbreviations() const { // Emit the abbreviations data. Abbrev.Emit(*this); + + O << "\n"; } EmitLabel("abbrev_end", 0); + + O << "\n"; } } @@ -1748,6 +1533,8 @@ void DwarfWriter::EmitDebugLines() const { EmitInt8(1); O << "\n"; EmitLabel("line_end", 0); + + O << "\n"; } /// EmitDebugFrame - Emit visible names into a debug frame section. @@ -1789,6 +1576,8 @@ void DwarfWriter::EmitDebugPubNames() { EmitInt32(0); EOL("End Mark"); EmitLabel("pubnames_end", 0); + + O << "\n"; } } @@ -1799,6 +1588,8 @@ void DwarfWriter::EmitDebugPubTypes() { if (!GlobalTypes.empty()) { // Start the dwarf pubtypes section. Asm->SwitchSection(DwarfPubTypesSection, 0); + + O << "\n"; } } @@ -1819,6 +1610,8 @@ void DwarfWriter::EmitDebugStr() { const std::string &String = StringPool[StringID]; EmitString(String); O << "\n"; } + + O << "\n"; } } @@ -1827,6 +1620,8 @@ void DwarfWriter::EmitDebugStr() { void DwarfWriter::EmitDebugLoc() { // Start the dwarf loc section. Asm->SwitchSection(DwarfLocSection, 0); + + O << "\n"; } /// EmitDebugARanges - Emit visible names into a debug aranges section. @@ -1857,6 +1652,8 @@ void DwarfWriter::EmitDebugARanges() { EmitInt32(0); EOL("EOM (1)"); EmitInt32(0); EOL("EOM (2)"); + + O << "\n"; } /// EmitDebugRanges - Emit visible names into a debug ranges section. @@ -1864,6 +1661,8 @@ void DwarfWriter::EmitDebugARanges() { void DwarfWriter::EmitDebugRanges() { // Start the dwarf ranges section. Asm->SwitchSection(DwarfRangesSection, 0); + + O << "\n"; } /// EmitDebugMacInfo - Emit visible names into a debug macinfo section. @@ -1871,6 +1670,8 @@ void DwarfWriter::EmitDebugRanges() { void DwarfWriter::EmitDebugMacInfo() { // Start the dwarf macinfo section. Asm->SwitchSection(DwarfMacInfoSection, 0); + + O << "\n"; } /// ConstructCompileUnitDIEs - Create a compile unit DIE for each source and @@ -2006,13 +1807,13 @@ void DwarfWriter::EndModule(Module &M) { EmitDebugLines(); // Emit info into a debug frame section. - EmitDebugFrame(); + // EmitDebugFrame(); // Emit info into a debug pubnames section. EmitDebugPubNames(); // Emit info into a debug pubtypes section. - EmitDebugPubTypes(); + // EmitDebugPubTypes(); // Emit info into a debug str section. EmitDebugStr(); diff --git a/lib/Support/Dwarf.cpp b/lib/Support/Dwarf.cpp new file mode 100644 index 0000000..9ab541f --- /dev/null +++ b/lib/Support/Dwarf.cpp @@ -0,0 +1,572 @@ +//===-- llvm/Support/Dwarf.cpp - Dwarf Framework ----------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file was developed by James M. Laskey and is distributed under the +// University of Illinois Open Source License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file contains support for generic dwarf information. +// +//===----------------------------------------------------------------------===// + +#include "llvm/Support/Dwarf.h" + +#include <cassert> + +namespace dwarf { + +/// TagString - Return the string for the specified tag. +/// +const char *TagString(unsigned Tag) { + switch(Tag) { + case DW_TAG_array_type: return "TAG_array_type"; + case DW_TAG_class_type: return "TAG_class_type"; + case DW_TAG_entry_point: return "TAG_entry_point"; + case DW_TAG_enumeration_type: return "TAG_enumeration_type"; + case DW_TAG_formal_parameter: return "TAG_formal_parameter"; + case DW_TAG_imported_declaration: return "TAG_imported_declaration"; + case DW_TAG_label: return "TAG_label"; + case DW_TAG_lexical_block: return "TAG_lexical_block"; + case DW_TAG_member: return "TAG_member"; + case DW_TAG_pointer_type: return "TAG_pointer_type"; + case DW_TAG_reference_type: return "TAG_reference_type"; + case DW_TAG_compile_unit: return "TAG_compile_unit"; + case DW_TAG_string_type: return "TAG_string_type"; + case DW_TAG_structure_type: return "TAG_structure_type"; + case DW_TAG_subroutine_type: return "TAG_subroutine_type"; + case DW_TAG_typedef: return "TAG_typedef"; + case DW_TAG_union_type: return "TAG_union_type"; + case DW_TAG_unspecified_parameters: return "TAG_unspecified_parameters"; + case DW_TAG_variant: return "TAG_variant"; + case DW_TAG_common_block: return "TAG_common_block"; + case DW_TAG_common_inclusion: return "TAG_common_inclusion"; + case DW_TAG_inheritance: return "TAG_inheritance"; + case DW_TAG_inlined_subroutine: return "TAG_inlined_subroutine"; + case DW_TAG_module: return "TAG_module"; + case DW_TAG_ptr_to_member_type: return "TAG_ptr_to_member_type"; + case DW_TAG_set_type: return "TAG_set_type"; + case DW_TAG_subrange_type: return "TAG_subrange_type"; + case DW_TAG_with_stmt: return "TAG_with_stmt"; + case DW_TAG_access_declaration: return "TAG_access_declaration"; + case DW_TAG_base_type: return "TAG_base_type"; + case DW_TAG_catch_block: return "TAG_catch_block"; + case DW_TAG_const_type: return "TAG_const_type"; + case DW_TAG_constant: return "TAG_constant"; + case DW_TAG_enumerator: return "TAG_enumerator"; + case DW_TAG_file_type: return "TAG_file_type"; + case DW_TAG_friend: return "TAG_friend"; + case DW_TAG_namelist: return "TAG_namelist"; + case DW_TAG_namelist_item: return "TAG_namelist_item"; + case DW_TAG_packed_type: return "TAG_packed_type"; + case DW_TAG_subprogram: return "TAG_subprogram"; + case DW_TAG_template_type_parameter: return "TAG_template_type_parameter"; + case DW_TAG_template_value_parameter: return "TAG_template_value_parameter"; + case DW_TAG_thrown_type: return "TAG_thrown_type"; + case DW_TAG_try_block: return "TAG_try_block"; + case DW_TAG_variant_part: return "TAG_variant_part"; + case DW_TAG_variable: return "TAG_variable"; + case DW_TAG_volatile_type: return "TAG_volatile_type"; + case DW_TAG_dwarf_procedure: return "TAG_dwarf_procedure"; + case DW_TAG_restrict_type: return "TAG_restrict_type"; + case DW_TAG_interface_type: return "TAG_interface_type"; + case DW_TAG_namespace: return "TAG_namespace"; + case DW_TAG_imported_module: return "TAG_imported_module"; + case DW_TAG_unspecified_type: return "TAG_unspecified_type"; + case DW_TAG_partial_unit: return "TAG_partial_unit"; + case DW_TAG_imported_unit: return "TAG_imported_unit"; + case DW_TAG_condition: return "TAG_condition"; + case DW_TAG_shared_type: return "TAG_shared_type"; + case DW_TAG_lo_user: return "TAG_lo_user"; + case DW_TAG_hi_user: return "TAG_hi_user"; + } + assert(0 && "Unknown Dwarf Tag"); + return ""; +} + +/// ChildrenString - Return the string for the specified children flag. +/// +const char *ChildrenString(unsigned Children) { + switch(Children) { + case DW_CHILDREN_no: return "CHILDREN_no"; + case DW_CHILDREN_yes: return "CHILDREN_yes"; + } + assert(0 && "Unknown Dwarf ChildrenFlag"); + return ""; +} + +/// AttributeString - Return the string for the specified attribute. +/// +const char *AttributeString(unsigned Attribute) { + switch(Attribute) { + case DW_AT_sibling: return "AT_sibling"; + case DW_AT_location: return "AT_location"; + case DW_AT_name: return "AT_name"; + case DW_AT_ordering: return "AT_ordering"; + case DW_AT_byte_size: return "AT_byte_size"; + case DW_AT_bit_offset: return "AT_bit_offset"; + case DW_AT_bit_size: return "AT_bit_size"; + case DW_AT_stmt_list: return "AT_stmt_list"; + case DW_AT_low_pc: return "AT_low_pc"; + case DW_AT_high_pc: return "AT_high_pc"; + case DW_AT_language: return "AT_language"; + case DW_AT_discr: return "AT_discr"; + case DW_AT_discr_value: return "AT_discr_value"; + case DW_AT_visibility: return "AT_visibility"; + case DW_AT_import: return "AT_import"; + case DW_AT_string_length: return "AT_string_length"; + case DW_AT_common_reference: return "AT_common_reference"; + case DW_AT_comp_dir: return "AT_comp_dir"; + case DW_AT_const_value: return "AT_const_value"; + case DW_AT_containing_type: return "AT_containing_type"; + case DW_AT_default_value: return "AT_default_value"; + case DW_AT_inline: return "AT_inline"; + case DW_AT_is_optional: return "AT_is_optional"; + case DW_AT_lower_bound: return "AT_lower_bound"; + case DW_AT_producer: return "AT_producer"; + case DW_AT_prototyped: return "AT_prototyped"; + case DW_AT_return_addr: return "AT_return_addr"; + case DW_AT_start_scope: return "AT_start_scope"; + case DW_AT_bit_stride: return "AT_bit_stride"; + case DW_AT_upper_bound: return "AT_upper_bound"; + case DW_AT_abstract_origin: return "AT_abstract_origin"; + case DW_AT_accessibility: return "AT_accessibility"; + case DW_AT_address_class: return "AT_address_class"; + case DW_AT_artificial: return "AT_artificial"; + case DW_AT_base_types: return "AT_base_types"; + case DW_AT_calling_convention: return "AT_calling_convention"; + case DW_AT_count: return "AT_count"; + case DW_AT_data_member_location: return "AT_data_member_location"; + case DW_AT_decl_column: return "AT_decl_column"; + case DW_AT_decl_file: return "AT_decl_file"; + case DW_AT_decl_line: return "AT_decl_line"; + case DW_AT_declaration: return "AT_declaration"; + case DW_AT_discr_list: return "AT_discr_list"; + case DW_AT_encoding: return "AT_encoding"; + case DW_AT_external: return "AT_external"; + case DW_AT_frame_base: return "AT_frame_base"; + case DW_AT_friend: return "AT_friend"; + case DW_AT_identifier_case: return "AT_identifier_case"; + case DW_AT_macro_info: return "AT_macro_info"; + case DW_AT_namelist_item: return "AT_namelist_item"; + case DW_AT_priority: return "AT_priority"; + case DW_AT_segment: return "AT_segment"; + case DW_AT_specification: return "AT_specification"; + case DW_AT_static_link: return "AT_static_link"; + case DW_AT_type: return "AT_type"; + case DW_AT_use_location: return "AT_use_location"; + case DW_AT_variable_parameter: return "AT_variable_parameter"; + case DW_AT_virtuality: return "AT_virtuality"; + case DW_AT_vtable_elem_location: return "AT_vtable_elem_location"; + case DW_AT_allocated: return "AT_allocated"; + case DW_AT_associated: return "AT_associated"; + case DW_AT_data_location: return "AT_data_location"; + case DW_AT_byte_stride: return "AT_byte_stride"; + case DW_AT_entry_pc: return "AT_entry_pc"; + case DW_AT_use_UTF8: return "AT_use_UTF8"; + case DW_AT_extension: return "AT_extension"; + case DW_AT_ranges: return "AT_ranges"; + case DW_AT_trampoline: return "AT_trampoline"; + case DW_AT_call_column: return "AT_call_column"; + case DW_AT_call_file: return "AT_call_file"; + case DW_AT_call_line: return "AT_call_line"; + case DW_AT_description: return "AT_description"; + case DW_AT_binary_scale: return "AT_binary_scale"; + case DW_AT_decimal_scale: return "AT_decimal_scale"; + case DW_AT_small: return "AT_small"; + case DW_AT_decimal_sign: return "AT_decimal_sign"; + case DW_AT_digit_count: return "AT_digit_count"; + case DW_AT_picture_string: return "AT_picture_string"; + case DW_AT_mutable: return "AT_mutable"; + case DW_AT_threads_scaled: return "AT_threads_scaled"; + case DW_AT_explicit: return "AT_explicit"; + case DW_AT_object_pointer: return "AT_object_pointer"; + case DW_AT_endianity: return "AT_endianity"; + case DW_AT_elemental: return "AT_elemental"; + case DW_AT_pure: return "AT_pure"; + case DW_AT_recursive: return "AT_recursive"; + case DW_AT_lo_user: return "AT_lo_user"; + case DW_AT_hi_user: return "AT_hi_user"; + } + assert(0 && "Unknown Dwarf Attribute"); + return ""; +} + +/// FormEncodingString - Return the string for the specified form encoding. +/// +const char *FormEncodingString(unsigned Encoding) { + switch(Encoding) { + case DW_FORM_addr: return "FORM_addr"; + case DW_FORM_block2: return "FORM_block2"; + case DW_FORM_block4: return "FORM_block4"; + case DW_FORM_data2: return "FORM_data2"; + case DW_FORM_data4: return "FORM_data4"; + case DW_FORM_data8: return "FORM_data8"; + case DW_FORM_string: return "FORM_string"; + case DW_FORM_block: return "FORM_block"; + case DW_FORM_block1: return "FORM_block1"; + case DW_FORM_data1: return "FORM_data1"; + case DW_FORM_flag: return "FORM_flag"; + case DW_FORM_sdata: return "FORM_sdata"; + case DW_FORM_strp: return "FORM_strp"; + case DW_FORM_udata: return "FORM_udata"; + case DW_FORM_ref_addr: return "FORM_ref_addr"; + case DW_FORM_ref1: return "FORM_ref1"; + case DW_FORM_ref2: return "FORM_ref2"; + case DW_FORM_ref4: return "FORM_ref4"; + case DW_FORM_ref8: return "FORM_ref8"; + case DW_FORM_ref_udata: return "FORM_ref_udata"; + case DW_FORM_indirect: return "FORM_indirect"; + } + assert(0 && "Unknown Dwarf Form Encoding"); + return ""; +} + +/// OperationEncodingString - Return the string for the specified operation +/// encoding. +const char *OperationEncodingString(unsigned Encoding) { + switch(Encoding) { + case DW_OP_addr: return "OP_addr"; + case DW_OP_deref: return "OP_deref"; + case DW_OP_const1u: return "OP_const1u"; + case DW_OP_const1s: return "OP_const1s"; + case DW_OP_const2u: return "OP_const2u"; + case DW_OP_const2s: return "OP_const2s"; + case DW_OP_const4u: return "OP_const4u"; + case DW_OP_const4s: return "OP_const4s"; + case DW_OP_const8u: return "OP_const8u"; + case DW_OP_const8s: return "OP_const8s"; + case DW_OP_constu: return "OP_constu"; + case DW_OP_consts: return "OP_consts"; + case DW_OP_dup: return "OP_dup"; + case DW_OP_drop: return "OP_drop"; + case DW_OP_over: return "OP_over"; + case DW_OP_pick: return "OP_pick"; + case DW_OP_swap: return "OP_swap"; + case DW_OP_rot: return "OP_rot"; + case DW_OP_xderef: return "OP_xderef"; + case DW_OP_abs: return "OP_abs"; + case DW_OP_and: return "OP_and"; + case DW_OP_div: return "OP_div"; + case DW_OP_minus: return "OP_minus"; + case DW_OP_mod: return "OP_mod"; + case DW_OP_mul: return "OP_mul"; + case DW_OP_neg: return "OP_neg"; + case DW_OP_not: return "OP_not"; + case DW_OP_or: return "OP_or"; + case DW_OP_plus: return "OP_plus"; + case DW_OP_plus_uconst: return "OP_plus_uconst"; + case DW_OP_shl: return "OP_shl"; + case DW_OP_shr: return "OP_shr"; + case DW_OP_shra: return "OP_shra"; + case DW_OP_xor: return "OP_xor"; + case DW_OP_skip: return "OP_skip"; + case DW_OP_bra: return "OP_bra"; + case DW_OP_eq: return "OP_eq"; + case DW_OP_ge: return "OP_ge"; + case DW_OP_gt: return "OP_gt"; + case DW_OP_le: return "OP_le"; + case DW_OP_lt: return "OP_lt"; + case DW_OP_ne: return "OP_ne"; + case DW_OP_lit0: return "OP_lit0"; + case DW_OP_lit1: return "OP_lit1"; + case DW_OP_lit31: return "OP_lit31"; + case DW_OP_reg0: return "OP_reg0"; + case DW_OP_reg1: return "OP_reg1"; + case DW_OP_reg31: return "OP_reg31"; + case DW_OP_breg0: return "OP_breg0"; + case DW_OP_breg1: return "OP_breg1"; + case DW_OP_breg31: return "OP_breg31"; + case DW_OP_regx: return "OP_regx"; + case DW_OP_fbreg: return "OP_fbreg"; + case DW_OP_bregx: return "OP_bregx"; + case DW_OP_piece: return "OP_piece"; + case DW_OP_deref_size: return "OP_deref_size"; + case DW_OP_xderef_size: return "OP_xderef_size"; + case DW_OP_nop: return "OP_nop"; + case DW_OP_push_object_address: return "OP_push_object_address"; + case DW_OP_call2: return "OP_call2"; + case DW_OP_call4: return "OP_call4"; + case DW_OP_call_ref: return "OP_call_ref"; + case DW_OP_form_tls_address: return "OP_form_tls_address"; + case DW_OP_call_frame_cfa: return "OP_call_frame_cfa"; + case DW_OP_lo_user: return "OP_lo_user"; + case DW_OP_hi_user: return "OP_hi_user"; + } + assert(0 && "Unknown Dwarf Operation Encoding"); + return ""; +} + +/// AttributeEncodingString - Return the string for the specified attribute +/// encoding. +const char *AttributeEncodingString(unsigned Encoding) { + switch(Encoding) { + case DW_ATE_address: return "ATE_address"; + case DW_ATE_boolean: return "ATE_boolean"; + case DW_ATE_complex_float: return "ATE_complex_float"; + case DW_ATE_float: return "ATE_float"; + case DW_ATE_signed: return "ATE_signed"; + case DW_ATE_signed_char: return "ATE_signed_char"; + case DW_ATE_unsigned: return "ATE_unsigned"; + case DW_ATE_unsigned_char: return "ATE_unsigned_char"; + case DW_ATE_imaginary_float: return "ATE_imaginary_float"; + case DW_ATE_packed_decimal: return "ATE_packed_decimal"; + case DW_ATE_numeric_string: return "ATE_numeric_string"; + case DW_ATE_edited: return "ATE_edited"; + case DW_ATE_signed_fixed: return "ATE_signed_fixed"; + case DW_ATE_unsigned_fixed: return "ATE_unsigned_fixed"; + case DW_ATE_decimal_float: return "ATE_decimal_float"; + case DW_ATE_lo_user: return "ATE_lo_user"; + case DW_ATE_hi_user: return "ATE_hi_user"; + } + assert(0 && "Unknown Dwarf Attribute Encoding"); + return ""; +} + +/// DecimalSignString - Return the string for the specified decimal sign +/// attribute. +const char *DecimalSignString(unsigned Sign) { + switch(Sign) { + case DW_DS_unsigned: return "DS_unsigned"; + case DW_DS_leading_overpunch: return "DS_leading_overpunch"; + case DW_DS_trailing_overpunch: return "DS_trailing_overpunch"; + case DW_DS_leading_separate: return "DS_leading_separate"; + case DW_DS_trailing_separate: return "DS_trailing_separate"; + } + assert(0 && "Unknown Dwarf Decimal Sign Attribute"); + return ""; +} + +/// EndianityString - Return the string for the specified endianity. +/// +const char *EndianityString(unsigned Endian) { + switch(Endian) { + case DW_END_default: return "END_default"; + case DW_END_big: return "END_big"; + case DW_END_little: return "END_little"; + case DW_END_lo_user: return "END_lo_user"; + case DW_END_hi_user: return "END_hi_user"; + } + assert(0 && "Unknown Dwarf Endianity"); + return ""; +} + +/// AccessibilityString - Return the string for the specified accessibility. +/// +const char *AccessibilityString(unsigned Access) { + switch(Access) { + // Accessibility codes + case DW_ACCESS_public: return "ACCESS_public"; + case DW_ACCESS_protected: return "ACCESS_protected"; + case DW_ACCESS_private: return "ACCESS_private"; + } + assert(0 && "Unknown Dwarf Accessibility"); + return ""; +} + +/// VisibilityString - Return the string for the specified visibility. +/// +const char *VisibilityString(unsigned Visibility) { + switch(Visibility) { + case DW_VIS_local: return "VIS_local"; + case DW_VIS_exported: return "VIS_exported"; + case DW_VIS_qualified: return "VIS_qualified"; + } + assert(0 && "Unknown Dwarf Visibility"); + return ""; +} + +/// VirtualityString - Return the string for the specified virtuality. +/// +const char *VirtualityString(unsigned Virtuality) { + switch(Virtuality) { + case DW_VIRTUALITY_none: return "VIRTUALITY_none"; + case DW_VIRTUALITY_virtual: return "VIRTUALITY_virtual"; + case DW_VIRTUALITY_pure_virtual: return "VIRTUALITY_pure_virtual"; + } + assert(0 && "Unknown Dwarf Virtuality"); + return ""; +} + +/// LanguageString - Return the string for the specified language. +/// +const char *LanguageString(unsigned Language) { + switch(Language) { + case DW_LANG_C89: return "LANG_C89"; + case DW_LANG_C: return "LANG_C"; + case DW_LANG_Ada83: return "LANG_Ada83"; + case DW_LANG_C_plus_plus: return "LANG_C_plus_plus"; + case DW_LANG_Cobol74: return "LANG_Cobol74"; + case DW_LANG_Cobol85: return "LANG_Cobol85"; + case DW_LANG_Fortran77: return "LANG_Fortran77"; + case DW_LANG_Fortran90: return "LANG_Fortran90"; + case DW_LANG_Pascal83: return "LANG_Pascal83"; + case DW_LANG_Modula2: return "LANG_Modula2"; + case DW_LANG_Java: return "LANG_Java"; + case DW_LANG_C99: return "LANG_C99"; + case DW_LANG_Ada95: return "LANG_Ada95"; + case DW_LANG_Fortran95: return "LANG_Fortran95"; + case DW_LANG_PLI: return "LANG_PLI"; + case DW_LANG_ObjC: return "LANG_ObjC"; + case DW_LANG_ObjC_plus_plus: return "LANG_ObjC_plus_plus"; + case DW_LANG_UPC: return "LANG_UPC"; + case DW_LANG_D: return "LANG_D"; + case DW_LANG_lo_user: return "LANG_lo_user"; + case DW_LANG_hi_user: return "LANG_hi_user"; + } + assert(0 && "Unknown Dwarf Language"); + return ""; +} + +/// CaseString - Return the string for the specified identifier case. +/// +const char *CaseString(unsigned Case) { + switch(Case) { + case DW_ID_case_sensitive: return "ID_case_sensitive"; + case DW_ID_up_case: return "ID_up_case"; + case DW_ID_down_case: return "ID_down_case"; + case DW_ID_case_insensitive: return "ID_case_insensitive"; + } + assert(0 && "Unknown Dwarf Identifier Case"); + return ""; +} + +/// ConventionString - Return the string for the specified calling convention. +/// +const char *ConventionString(unsigned Convention) { + switch(Convention) { + case DW_CC_normal: return "CC_normal"; + case DW_CC_program: return "CC_program"; + case DW_CC_nocall: return "CC_nocall"; + case DW_CC_lo_user: return "CC_lo_user"; + case DW_CC_hi_user: return "CC_hi_user"; + } + assert(0 && "Unknown Dwarf Calling Convention"); + return ""; +} + +/// InlineCodeString - Return the string for the specified inline code. +/// +const char *InlineCodeString(unsigned Code) { + switch(Code) { + case DW_INL_not_inlined: return "INL_not_inlined"; + case DW_INL_inlined: return "INL_inlined"; + case DW_INL_declared_not_inlined: return "INL_declared_not_inlined"; + case DW_INL_declared_inlined: return "INL_declared_inlined"; + } + assert(0 && "Unknown Dwarf Inline Code"); + return ""; +} + +/// ArrayOrderString - Return the string for the specified array order. +/// +const char *ArrayOrderString(unsigned Order) { + switch(Order) { + case DW_ORD_row_major: return "ORD_row_major"; + case DW_ORD_col_major: return "ORD_col_major"; + } + assert(0 && "Unknown Dwarf Array Order"); + return ""; +} + +/// DiscriminantString - Return the string for the specified discriminant +/// descriptor. +const char *DiscriminantString(unsigned Discriminant) { + switch(Discriminant) { + case DW_DSC_label: return "DSC_label"; + case DW_DSC_range: return "DSC_range"; + } + assert(0 && "Unknown Dwarf Discriminant Descriptor"); + return ""; +} + +/// LNStandardString - Return the string for the specified line number standard. +/// +const char *LNStandardString(unsigned Standard) { + switch(Standard) { + case DW_LNS_copy: return "LNS_copy"; + case DW_LNS_advance_pc: return "LNS_advance_pc"; + case DW_LNS_advance_line: return "LNS_advance_line"; + case DW_LNS_set_file: return "LNS_set_file"; + case DW_LNS_set_column: return "LNS_set_column"; + case DW_LNS_negate_stmt: return "LNS_negate_stmt"; + case DW_LNS_set_basic_block: return "LNS_set_basic_block"; + case DW_LNS_const_add_pc: return "LNS_const_add_pc"; + case DW_LNS_fixed_advance_pc: return "LNS_fixed_advance_pc"; + case DW_LNS_set_prologue_end: return "LNS_set_prologue_end"; + case DW_LNS_set_epilogue_begin: return "LNS_set_epilogue_begin"; + case DW_LNS_set_isa: return "LNS_set_isa"; + } + assert(0 && "Unknown Dwarf Line Number Standard"); + return ""; +} + +/// LNExtendedString - Return the string for the specified line number extended +/// opcode encodings. +const char *LNExtendedString(unsigned Encoding) { + switch(Encoding) { + // Line Number Extended Opcode Encodings + case DW_LNE_end_sequence: return "LNE_end_sequence"; + case DW_LNE_set_address: return "LNE_set_address"; + case DW_LNE_define_file: return "LNE_define_file"; + case DW_LNE_lo_user: return "LNE_lo_user"; + case DW_LNE_hi_user: return "LNE_hi_user"; + } + assert(0 && "Unknown Dwarf Line Number Extended Opcode Encoding"); + return ""; +} + +/// MacinfoString - Return the string for the specified macinfo type encodings. +/// +const char *MacinfoString(unsigned Encoding) { + switch(Encoding) { + // Macinfo Type Encodings + case DW_MACINFO_define: return "MACINFO_define"; + case DW_MACINFO_undef: return "MACINFO_undef"; + case DW_MACINFO_start_file: return "MACINFO_start_file"; + case DW_MACINFO_end_file: return "MACINFO_end_file"; + case DW_MACINFO_vendor_ext: return "MACINFO_vendor_ext"; + } + assert(0 && "Unknown Dwarf Macinfo Type Encodings"); + return ""; +} + +/// CallFrameString - Return the string for the specified call frame instruction +/// encodings. +const char *CallFrameString(unsigned Encoding) { + switch(Encoding) { + case DW_CFA_advance_loc: return "CFA_advance_loc"; + case DW_CFA_offset: return "CFA_offset"; + case DW_CFA_restore: return "CFA_restore"; + case DW_CFA_set_loc: return "CFA_set_loc"; + case DW_CFA_advance_loc1: return "CFA_advance_loc1"; + case DW_CFA_advance_loc2: return "CFA_advance_loc2"; + case DW_CFA_advance_loc4: return "CFA_advance_loc4"; + case DW_CFA_offset_extended: return "CFA_offset_extended"; + case DW_CFA_restore_extended: return "CFA_restore_extended"; + case DW_CFA_undefined: return "CFA_undefined"; + case DW_CFA_same_value: return "CFA_same_value"; + case DW_CFA_register: return "CFA_register"; + case DW_CFA_remember_state: return "CFA_remember_state"; + case DW_CFA_restore_state: return "CFA_restore_state"; + case DW_CFA_def_cfa: return "CFA_def_cfa"; + case DW_CFA_def_cfa_register: return "CFA_def_cfa_register"; + case DW_CFA_def_cfa_offset: return "CFA_def_cfa_offset"; + case DW_CFA_def_cfa_expression: return "CFA_def_cfa_expression"; + case DW_CFA_expression: return "CFA_expression"; + case DW_CFA_offset_extended_sf: return "CFA_offset_extended_sf"; + case DW_CFA_def_cfa_sf: return "CFA_def_cfa_sf"; + case DW_CFA_def_cfa_offset_sf: return "CFA_def_cfa_offset_sf"; + case DW_CFA_val_offset: return "CFA_val_offset"; + case DW_CFA_val_offset_sf: return "CFA_val_offset_sf"; + case DW_CFA_val_expression: return "CFA_val_expression"; + case DW_CFA_lo_user: return "CFA_lo_user"; + case DW_CFA_hi_user: return "CFA_hi_user"; + } + assert(0 && "Unknown Dwarf Call Frame Instruction Encodings"); + return ""; +} + +} // End of namespace llvm. + |