Changes in directory llvm/include/llvm/CodeGen:
DwarfWriter.h updated: 1.25 -> 1.26
---
Log message:
Re-orging file.
---
Diffs of the changes: (+383 -700)
DwarfWriter.h | 1083 ++++++++++++++++++++--------------------------------------
1 files changed, 383 insertions(+), 700 deletions(-)
Index: llvm/include/llvm/CodeGen/DwarfWriter.h
diff -u llvm/include/llvm/CodeGen/DwarfWriter.h:1.25
llvm/include/llvm/CodeGen/DwarfWriter.h:1.26
--- llvm/include/llvm/CodeGen/DwarfWriter.h:1.25 Thu Feb 23 10:58:18 2006
+++ llvm/include/llvm/CodeGen/DwarfWriter.h Mon Feb 27 06:43:29 2006
@@ -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
- };
-
-
//===--------------------------------------------------------------------===//
- // DIEValue - A debug information entry value.
+ // Attributes used to construct specific Dwarf sections.
//
- 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;
- };
-
-
//===--------------------------------------------------------------------===//
- // 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;
- };
-
+
+ /// 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;
+
//===--------------------------------------------------------------------===//
- // 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;
- };
+ // 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".
//===--------------------------------------------------------------------===//
- // DIEDwarfLabel - A Dwarf internal label expression DIE.
+ // Emission and print routines
//
- 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;
- };
+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);
-
//===--------------------------------------------------------------------===//
- // 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) {}
-
- // 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;
- };
+private:
-
//===--------------------------------------------------------------------===//
- // 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;
- };
+ /// NewType - Create a new type DIE.
+ ///
+ DIE *NewType(DIE *Unit, TypeDesc *TyDesc);
-
//===--------------------------------------------------------------------===//
- // 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;
- };
+ /// NewCompileUnit - Create new compile unit DIE.
+ ///
+ DIE *NewCompileUnit(CompileUnitDesc *CompileUnit);
-
//===--------------------------------------------------------------------===//
- // 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);
- };
+ /// 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;
-
//===--------------------------------------------------------------------===//
- // DwarfWriter - Emits Dwarf debug and exception handling directives.
- //
- class DwarfWriter {
- protected:
+ /// 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;
-
//===------------------------------------------------------------------===//
- // 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
- //
+ /// 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:
- /// 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);
-
-private:
+
+ 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; }
- /// 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);
- };
+
//===--------------------------------------------------------------------===//
+ // 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
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