//
// 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 is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
-// This file contains support for writing Dwarf debug info into asm files. For
-// Details on the Dwarf 3 specfication see DWARF Debugging Information Format
-// V.3 reference manual http://dwarf.freestandards.org ,
+// This file contains support for writing Dwarf debug and exception info into
+// asm files. For Details on the Dwarf 3 specfication see DWARF Debugging
+// Information Format V.3 reference manual http://dwarf.freestandards.org ,
//
-// The role of the Dwarf Writer class is to extract debug information from the
-// MachineDebugInfo object, organize it in Dwarf form and then emit it into asm
+// The role of the Dwarf Writer class is to extract information from the
+// MachineModuleInfo object, organize it in Dwarf form and then emit it into asm
// the current asm file using data and high level Dwarf directives.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CODEGEN_DWARFWRITER_H
#define LLVM_CODEGEN_DWARFWRITER_H
-#include "llvm/ADT/UniqueVector.h"
-#include "llvm/Support/DataTypes.h"
-
-#include <iosfwd>
-#include <string>
-
+#include "llvm/Pass.h"
+#include "llvm/Target/TargetMachine.h"
namespace llvm {
-
- //===--------------------------------------------------------------------===//
- // Forward declarations.
- //
- class AsmPrinter;
- class CompileUnitDesc;
- class DIE;
- class DwarfWriter;
- class DWContext;
- class MachineDebugInfo;
- class MachineFunction;
- class Module;
- class Type;
-
- //===--------------------------------------------------------------------===//
- // 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) {}
- };
-
- //===--------------------------------------------------------------------===//
- // 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);
- }
- };
-
- //===--------------------------------------------------------------------===//
- // 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; }
-
- /// 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.
- //
- 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) {}
+class AsmPrinter;
+class DwarfDebug;
+class DwarfException;
+class MachineModuleInfo;
+class MachineFunction;
+class MachineInstr;
+class Value;
+class Module;
+class GlobalVariable;
+class TargetAsmInfo;
+class raw_ostream;
+class Instruction;
+class DICompileUnit;
+class DISubprogram;
+class DIVariable;
- // 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;
- };
-
- //===--------------------------------------------------------------------===//
- // DIEString - A string value DIE.
- //
- struct DIEString : public DIEValue {
- const std::string String;
-
- DIEString(const std::string &S) : DIEValue(isString), String(S) {}
+//===----------------------------------------------------------------------===//
+// DwarfWriter - Emits Dwarf debug and exception handling directives.
+//
- // 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;
- };
+class DwarfWriter : public ImmutablePass {
+private:
+ /// DD - Provides the DwarfWriter debug implementation.
+ ///
+ DwarfDebug *DD;
- //===--------------------------------------------------------------------===//
- // DIEDwarfLabel - A Dwarf internal label expression DIE.
- //
- struct DIEDwarfLabel : public DIEValue {
- const DWLabel Label;
-
- DIEDwarfLabel(const DWLabel &L) : DIEValue(isLabel), Label(L) {}
+ /// DE - Provides the DwarfWriter exception implementation.
+ ///
+ DwarfException *DE;
- // 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:
+ static char ID; // Pass identification, replacement for typeid
+ DwarfWriter();
+ virtual ~DwarfWriter();
//===--------------------------------------------------------------------===//
- // DIEObjectLabel - A label to an object in code or data.
+ // Main entry points.
//
- 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;
- };
- //===--------------------------------------------------------------------===//
- // 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;
- };
+ /// BeginModule - Emit all Dwarf sections that should come prior to the
+ /// content.
+ void BeginModule(Module *M, MachineModuleInfo *MMI, raw_ostream &OS,
+ AsmPrinter *A, const TargetAsmInfo *T);
- //===--------------------------------------------------------------------===//
- // 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.
- DWContext *Context; // Context for types and values.
- std::vector<DIE *> Children; // Children DIEs.
- std::vector<DIEValue *> Values; // Attributes values.
-
- public:
- DIE(unsigned Tag, unsigned ChildrenFlag);
- ~DIE();
-
- // Accessors
- unsigned getAbbrevID() const { return AbbrevID; }
- unsigned getOffset() const { return Offset; }
- unsigned getSize() const { return Size; }
- DWContext *getContext() const { return Context; }
- 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; }
- void setContext(DWContext *C) { Context = C; }
-
- /// 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);
- };
-
- //===--------------------------------------------------------------------===//
- /// DWContext - Name context for types and values.
+ /// EndModule - Emit all Dwarf sections that should come after the content.
///
- class DWContext {
- private:
- DwarfWriter &DW; // DwarfWriter for global information.
- DWContext *Parent; // Next context level searched.
- DIE *Owner; // Owning debug information entry.
- std::map<const Type *, DIE*> Types; // Named types in context.
- std::map<std::string, DIE*> Variables;// Named variables in context.
-
- public:
- DWContext(DwarfWriter &D, DWContext *P, DIE *O)
- : DW(D)
- , Parent(P)
- , Owner(O)
- , Types()
- , Variables()
- {
- Owner->setContext(this);
- }
- ~DWContext() {}
-
- /// NewBasicType - Creates a new basic type, if necessary, then adds to the
- /// context and owner.
- DIE *NewBasicType(const Type *Ty, unsigned Size, unsigned Align);
-
- /// NewVariable - Creates a basic variable, if necessary, then adds to the
- /// context and owner.
- DIE *NewGlobalVariable(const std::string &Name,
- const std::string &MangledName,
- DIE *Type);
- };
-
- //===--------------------------------------------------------------------===//
- // DwarfWriter - Emits Dwarf debug and exception handling directives.
- //
- class DwarfWriter {
- protected:
+ void EndModule();
- //===------------------------------------------------------------------===//
- // 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;
-
- //===------------------------------------------------------------------===//
- // 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
- //
-
-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;
+ /// BeginFunction - Gather pre-function debug information. Assumes being
+ /// emitted immediately after the function entry point.
+ void BeginFunction(MachineFunction *MF);
+
+ /// EndFunction - Gather and emit post-function debug information.
+ ///
+ void EndFunction(MachineFunction *MF);
- /// 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;
+ /// RecordSourceLine - Register a source line with debug info. Returns a
+ /// unique label ID used to generate a label and provide correspondence to
+ /// the source line list.
+ unsigned RecordSourceLine(unsigned Line, unsigned Col, DICompileUnit CU);
- /// 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);
-
- /// 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);
-
- /// NewGlobalVariable - Add a new global variable DIE to the context.
- ///
- void NewGlobalVariable(DWContext *Context,
- const std::string &Name,
- const std::string &MangledName,
- const Type *Ty,
- unsigned Size, unsigned Align);
+ /// RecordRegionStart - Indicate the start of a region.
+ unsigned RecordRegionStart(GlobalVariable *V);
-private:
+ /// RecordRegionEnd - Indicate the end of a region.
+ unsigned RecordRegionEnd(GlobalVariable *V);
- /// NewCompileUnit - Create new compile unit information.
- ///
- DIE *NewCompileUnit(const CompileUnitDesc *CompileUnit);
+ /// getRecordSourceLineCount - Count source lines.
+ unsigned getRecordSourceLineCount();
- /// 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) const;
+ /// RecordVariable - Indicate the declaration of a local variable.
+ ///
+ void RecordVariable(GlobalVariable *GV, unsigned FrameIndex);
- /// 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;
+ /// ShouldEmitDwarfDebug - Returns true if Dwarf debugging declarations should
+ /// be emitted.
+ bool ShouldEmitDwarfDebug() 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);
+ //// RecordInlinedFnStart - Indicate the start of a inlined function.
+ unsigned RecordInlinedFnStart(DISubprogram SP, DICompileUnit CU,
+ unsigned Line, unsigned Col);
- /// 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; }
+ /// RecordInlinedFnEnd - Indicate the end of inlined subroutine.
+ unsigned RecordInlinedFnEnd(DISubprogram SP);
+};
- //===------------------------------------------------------------------===//
- // 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
projects / oota-llvm.git / blobdiff