X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FAsmPrinter%2FDIE.h;h=cc3ebbd5d56253bfd1d9631eaefd2b214e70da11;hb=2df938ad713140c352b2d81b49490e337c018891;hp=8c0a826bede19db4f29991b1f49a1da0c3ea3641;hpb=e428e21033e7a5d9b88c5607c77583ca7a4e2b3d;p=oota-llvm.git diff --git a/lib/CodeGen/AsmPrinter/DIE.h b/lib/CodeGen/AsmPrinter/DIE.h index 8c0a826bede..cc3ebbd5d56 100644 --- a/lib/CodeGen/AsmPrinter/DIE.h +++ b/lib/CodeGen/AsmPrinter/DIE.h @@ -8,42 +8,40 @@ //===----------------------------------------------------------------------===// // // Data structures for DWARF info entries. -// +// //===----------------------------------------------------------------------===// -#ifndef DIE_H__ -#define DIE_H__ +#ifndef CODEGEN_ASMPRINTER_DIE_H__ +#define CODEGEN_ASMPRINTER_DIE_H__ -#include "DwarfLabel.h" #include "llvm/ADT/FoldingSet.h" #include "llvm/ADT/SmallVector.h" #include "llvm/Support/Compiler.h" #include "llvm/Support/Dwarf.h" -#include "llvm/Support/raw_ostream.h" -#include +#include namespace llvm { class AsmPrinter; - class Dwarf; - class TargetData; + class MCSymbol; + class raw_ostream; //===--------------------------------------------------------------------===// /// DIEAbbrevData - Dwarf abbreviation data, describes the one attribute of a /// Dwarf abbreviation. - class VISIBILITY_HIDDEN DIEAbbrevData { + class DIEAbbrevData { /// Attribute - Dwarf attribute code. /// - unsigned Attribute; + uint16_t Attribute; /// Form - Dwarf form code. /// - unsigned Form; + uint16_t Form; public: - DIEAbbrevData(unsigned A, unsigned F) : Attribute(A), Form(F) {} + DIEAbbrevData(uint16_t A, uint16_t F) : Attribute(A), Form(F) {} // Accessors. - unsigned getAttribute() const { return Attribute; } - unsigned getForm() const { return Form; } + uint16_t getAttribute() const { return Attribute; } + uint16_t getForm() const { return Form; } /// Profile - Used to gather unique data for the abbreviation folding set. /// @@ -53,44 +51,44 @@ namespace llvm { //===--------------------------------------------------------------------===// /// DIEAbbrev - Dwarf abbreviation, describes the organization of a debug /// information object. - class VISIBILITY_HIDDEN DIEAbbrev : public FoldingSetNode { + class DIEAbbrev : public FoldingSetNode { /// Tag - Dwarf tag code. /// - unsigned Tag; + uint16_t Tag; - /// Unique number for node. + /// ChildrenFlag - Dwarf children flag. /// - unsigned Number; + uint16_t ChildrenFlag; - /// ChildrenFlag - Dwarf children flag. + /// Unique number for node. /// - unsigned ChildrenFlag; + unsigned Number; /// Data - Raw data bytes for abbreviation. /// - SmallVector Data; + SmallVector Data; + public: - DIEAbbrev(unsigned T, unsigned C) : Tag(T), ChildrenFlag(C), Data() {} - virtual ~DIEAbbrev() {} + DIEAbbrev(uint16_t T, uint16_t C) : Tag(T), ChildrenFlag(C), Data() {} // Accessors. - unsigned getTag() const { return Tag; } + uint16_t getTag() const { return Tag; } unsigned getNumber() const { return Number; } - unsigned getChildrenFlag() const { return ChildrenFlag; } - const SmallVector &getData() const { return Data; } - void setTag(unsigned T) { Tag = T; } - void setChildrenFlag(unsigned CF) { ChildrenFlag = CF; } + uint16_t getChildrenFlag() const { return ChildrenFlag; } + const SmallVector &getData() const { return Data; } + void setTag(uint16_t T) { Tag = T; } + void setChildrenFlag(uint16_t CF) { ChildrenFlag = CF; } void setNumber(unsigned N) { Number = N; } /// AddAttribute - Adds another set of attribute information to the /// abbreviation. - void AddAttribute(unsigned Attribute, unsigned Form) { + void AddAttribute(uint16_t Attribute, uint16_t Form) { Data.push_back(DIEAbbrevData(Attribute, Form)); } /// AddFirstAttribute - Adds a set of attribute information to the front /// of the abbreviation. - void AddFirstAttribute(unsigned Attribute, unsigned Form) { + void AddFirstAttribute(uint16_t Attribute, uint16_t Form) { Data.insert(Data.begin(), DIEAbbrevData(Attribute, Form)); } @@ -100,13 +98,10 @@ namespace llvm { /// Emit - Print the abbreviation using the specified asm printer. /// - void Emit(const AsmPrinter *Asm) const; + void Emit(AsmPrinter *AP) const; #ifndef NDEBUG - void print(std::ostream *O) { - if (O) print(*O); - } - void print(std::ostream &O); + void print(raw_ostream &O); void dump(); #endif }; @@ -114,15 +109,10 @@ namespace llvm { //===--------------------------------------------------------------------===// /// DIE - A structured debug information entry. Has an abbreviation which /// describes it's organization. - class CompileUnit; class DIEValue; - class VISIBILITY_HIDDEN DIE : public FoldingSetNode { + class DIE { protected: - /// Abbrev - Buffer for constructing abbreviation. - /// - DIEAbbrev Abbrev; - /// Offset - Offset in debug info section. /// unsigned Offset; @@ -131,19 +121,26 @@ namespace llvm { /// unsigned Size; + /// Abbrev - Buffer for constructing abbreviation. + /// + DIEAbbrev Abbrev; + /// Children DIEs. /// std::vector Children; - /// Attributes values. + DIE *Parent; + + /// Attribute values. /// - SmallVector Values; + SmallVector Values; - /// Abstract compile unit. - CompileUnit *AbstractCU; + // Private data for print() + mutable unsigned IndentCount; public: explicit DIE(unsigned Tag) - : Abbrev(Tag, dwarf::DW_CHILDREN_no), Offset(0), Size(0) {} + : Offset(0), Size(0), Abbrev(Tag, dwarf::DW_CHILDREN_no), Parent(0), + IndentCount(0) {} virtual ~DIE(); // Accessors. @@ -153,51 +150,36 @@ namespace llvm { unsigned getOffset() const { return Offset; } unsigned getSize() const { return Size; } const std::vector &getChildren() const { return Children; } - SmallVector &getValues() { return Values; } - CompileUnit *getAbstractCompileUnit() const { return AbstractCU; } - + const SmallVector &getValues() const { return Values; } + DIE *getParent() const { return Parent; } + /// Climb up the parent chain to get the compile unit DIE this DIE belongs + /// to. + DIE *getCompileUnit() const; void setTag(unsigned Tag) { Abbrev.setTag(Tag); } void setOffset(unsigned O) { Offset = O; } void setSize(unsigned S) { Size = S; } - void setAbstractCompileUnit(CompileUnit *CU) { AbstractCU = CU; } - /// AddValue - Add a value and attributes to a DIE. + /// addValue - Add a value and attributes to a DIE. /// - void AddValue(unsigned Attribute, unsigned Form, DIEValue *Value) { + void addValue(unsigned Attribute, unsigned Form, DIEValue *Value) { Abbrev.AddAttribute(Attribute, Form); Values.push_back(Value); } - /// SiblingOffset - Return the offset of the debug information entry's - /// sibling. - unsigned SiblingOffset() const { return Offset + Size; } - - /// AddSiblingOffset - Add a sibling offset field to the front of the DIE. - /// - void AddSiblingOffset(); - - /// AddChild - Add a child to the DIE. + /// addChild - Add a child to the DIE. /// - void AddChild(DIE *Child) { + void addChild(DIE *Child) { + if (Child->getParent()) { + assert (Child->getParent() == this && "Unexpected DIE Parent!"); + return; + } Abbrev.setChildrenFlag(dwarf::DW_CHILDREN_yes); Children.push_back(Child); + Child->Parent = this; } - /// Detach - Detaches objects connected to it after copying. - /// - void Detach() { - Children.clear(); - } - - /// Profile - Used to gather unique data for the value folding set. - /// - void Profile(FoldingSetNodeID &ID) ; - #ifndef NDEBUG - void print(std::ostream *O, unsigned IncIndent = 0) { - if (O) print(*O, IncIndent); - } - void print(std::ostream &O, unsigned IncIndent = 0); + void print(raw_ostream &O, unsigned IncIndent = 0); void dump(); #endif }; @@ -205,14 +187,13 @@ namespace llvm { //===--------------------------------------------------------------------===// /// DIEValue - A debug information entry value. /// - class VISIBILITY_HIDDEN DIEValue : public FoldingSetNode { + class DIEValue { + virtual void anchor(); public: enum { isInteger, isString, isLabel, - isAsIsLabel, - isSectionOffset, isDelta, isEntry, isBlock @@ -230,24 +211,14 @@ namespace llvm { /// EmitValue - Emit value via the Dwarf writer. /// - virtual void EmitValue(Dwarf *D, unsigned Form) const = 0; + virtual void EmitValue(AsmPrinter *AP, unsigned Form) const = 0; /// SizeOf - Return the size of a value in bytes. /// - virtual unsigned SizeOf(const TargetData *TD, unsigned Form) const = 0; - - /// Profile - Used to gather unique data for the value folding set. - /// - virtual void Profile(FoldingSetNodeID &ID) = 0; - - // Implement isa/cast/dyncast. - static bool classof(const DIEValue *) { return true; } + virtual unsigned SizeOf(AsmPrinter *AP, unsigned Form) const = 0; #ifndef NDEBUG - void print(std::ostream *O) { - if (O) print(*O); - } - virtual void print(std::ostream &O) = 0; + virtual void print(raw_ostream &O) = 0; void dump(); #endif }; @@ -255,7 +226,7 @@ namespace llvm { //===--------------------------------------------------------------------===// /// DIEInteger - An integer value DIE. /// - class VISIBILITY_HIDDEN DIEInteger : public DIEValue { + class DIEInteger : public DIEValue { uint64_t Integer; public: explicit DIEInteger(uint64_t I) : DIEValue(isInteger), Integer(I) {} @@ -264,9 +235,10 @@ namespace llvm { /// static unsigned BestForm(bool IsSigned, uint64_t Int) { if (IsSigned) { - if ((char)Int == (signed)Int) return dwarf::DW_FORM_data1; - if ((short)Int == (signed)Int) return dwarf::DW_FORM_data2; - if ((int)Int == (signed)Int) return dwarf::DW_FORM_data4; + const int64_t SignedInt = Int; + if ((char)Int == SignedInt) return dwarf::DW_FORM_data1; + if ((short)Int == SignedInt) return dwarf::DW_FORM_data2; + if ((int)Int == SignedInt) return dwarf::DW_FORM_data4; } else { if ((unsigned char)Int == Int) return dwarf::DW_FORM_data1; if ((unsigned short)Int == Int) return dwarf::DW_FORM_data2; @@ -277,233 +249,109 @@ namespace llvm { /// EmitValue - Emit integer of appropriate size. /// - virtual void EmitValue(Dwarf *D, unsigned Form) const; + virtual void EmitValue(AsmPrinter *AP, unsigned Form) const; - /// SizeOf - Determine size of integer value in bytes. - /// - virtual unsigned SizeOf(const TargetData *TD, unsigned Form) const; + uint64_t getValue() const { return Integer; } - /// Profile - Used to gather unique data for the value folding set. + /// SizeOf - Determine size of integer value in bytes. /// - static void Profile(FoldingSetNodeID &ID, unsigned Int); - virtual void Profile(FoldingSetNodeID &ID); + virtual unsigned SizeOf(AsmPrinter *AP, unsigned Form) const; // Implement isa/cast/dyncast. - static bool classof(const DIEInteger *) { return true; } static bool classof(const DIEValue *I) { return I->getType() == isInteger; } #ifndef NDEBUG - virtual void print(std::ostream &O); -#endif - }; - - //===--------------------------------------------------------------------===// - /// DIEString - A string value DIE. - /// - class VISIBILITY_HIDDEN DIEString : public DIEValue { - const std::string Str; - public: - explicit DIEString(const std::string &S) : DIEValue(isString), Str(S) {} - - /// EmitValue - Emit string value. - /// - virtual void EmitValue(Dwarf *D, unsigned Form) const; - - /// SizeOf - Determine size of string value in bytes. - /// - virtual unsigned SizeOf(const TargetData *, unsigned /*Form*/) const { - return Str.size() + sizeof(char); // sizeof('\0'); - } - - /// Profile - Used to gather unique data for the value folding set. - /// - static void Profile(FoldingSetNodeID &ID, const std::string &Str); - virtual void Profile(FoldingSetNodeID &ID); - - // Implement isa/cast/dyncast. - static bool classof(const DIEString *) { return true; } - static bool classof(const DIEValue *S) { return S->getType() == isString; } - -#ifndef NDEBUG - virtual void print(std::ostream &O); + virtual void print(raw_ostream &O); #endif }; //===--------------------------------------------------------------------===// - /// DIEDwarfLabel - A Dwarf internal label expression DIE. + /// DIELabel - A label expression DIE. // - class VISIBILITY_HIDDEN DIEDwarfLabel : public DIEValue { - const DWLabel Label; + class DIELabel : public DIEValue { + const MCSymbol *Label; public: - explicit DIEDwarfLabel(const DWLabel &L) : DIEValue(isLabel), Label(L) {} + explicit DIELabel(const MCSymbol *L) : DIEValue(isLabel), Label(L) {} /// EmitValue - Emit label value. /// - virtual void EmitValue(Dwarf *D, unsigned Form) const; + virtual void EmitValue(AsmPrinter *AP, unsigned Form) const; - /// SizeOf - Determine size of label value in bytes. + /// getValue - Get MCSymbol. /// - virtual unsigned SizeOf(const TargetData *TD, unsigned Form) const; - - /// Profile - Used to gather unique data for the value folding set. - /// - static void Profile(FoldingSetNodeID &ID, const DWLabel &Label); - virtual void Profile(FoldingSetNodeID &ID); - - // Implement isa/cast/dyncast. - static bool classof(const DIEDwarfLabel *) { return true; } - static bool classof(const DIEValue *L) { return L->getType() == isLabel; } - -#ifndef NDEBUG - virtual void print(std::ostream &O); -#endif - }; - - //===--------------------------------------------------------------------===// - /// DIEObjectLabel - A label to an object in code or data. - // - class VISIBILITY_HIDDEN DIEObjectLabel : public DIEValue { - const std::string Label; - public: - explicit DIEObjectLabel(const std::string &L) - : DIEValue(isAsIsLabel), Label(L) {} - - /// EmitValue - Emit label value. - /// - virtual void EmitValue(Dwarf *D, unsigned Form) const; + const MCSymbol *getValue() const { return Label; } /// SizeOf - Determine size of label value in bytes. /// - virtual unsigned SizeOf(const TargetData *TD, unsigned Form) const; - - /// Profile - Used to gather unique data for the value folding set. - /// - static void Profile(FoldingSetNodeID &ID, const std::string &Label); - virtual void Profile(FoldingSetNodeID &ID); + virtual unsigned SizeOf(AsmPrinter *AP, unsigned Form) const; // Implement isa/cast/dyncast. - static bool classof(const DIEObjectLabel *) { return true; } - static bool classof(const DIEValue *L) { - return L->getType() == isAsIsLabel; - } - -#ifndef NDEBUG - virtual void print(std::ostream &O); -#endif - }; - - //===--------------------------------------------------------------------===// - /// DIESectionOffset - A section offset DIE. - /// - class VISIBILITY_HIDDEN DIESectionOffset : public DIEValue { - const DWLabel Label; - const DWLabel Section; - bool IsEH : 1; - bool UseSet : 1; - public: - DIESectionOffset(const DWLabel &Lab, const DWLabel &Sec, - bool isEH = false, bool useSet = true) - : DIEValue(isSectionOffset), Label(Lab), Section(Sec), - IsEH(isEH), UseSet(useSet) {} - - /// EmitValue - Emit section offset. - /// - virtual void EmitValue(Dwarf *D, unsigned Form) const; - - /// SizeOf - Determine size of section offset value in bytes. - /// - virtual unsigned SizeOf(const TargetData *TD, unsigned Form) const; - - /// Profile - Used to gather unique data for the value folding set. - /// - static void Profile(FoldingSetNodeID &ID, const DWLabel &Label, - const DWLabel &Section); - virtual void Profile(FoldingSetNodeID &ID); - - // Implement isa/cast/dyncast. - static bool classof(const DIESectionOffset *) { return true; } - static bool classof(const DIEValue *D) { - return D->getType() == isSectionOffset; - } + static bool classof(const DIEValue *L) { return L->getType() == isLabel; } #ifndef NDEBUG - virtual void print(std::ostream &O); + virtual void print(raw_ostream &O); #endif }; //===--------------------------------------------------------------------===// /// DIEDelta - A simple label difference DIE. /// - class VISIBILITY_HIDDEN DIEDelta : public DIEValue { - const DWLabel LabelHi; - const DWLabel LabelLo; + class DIEDelta : public DIEValue { + const MCSymbol *LabelHi; + const MCSymbol *LabelLo; public: - DIEDelta(const DWLabel &Hi, const DWLabel &Lo) + DIEDelta(const MCSymbol *Hi, const MCSymbol *Lo) : DIEValue(isDelta), LabelHi(Hi), LabelLo(Lo) {} /// EmitValue - Emit delta value. /// - virtual void EmitValue(Dwarf *D, unsigned Form) const; + virtual void EmitValue(AsmPrinter *AP, unsigned Form) const; /// SizeOf - Determine size of delta value in bytes. /// - virtual unsigned SizeOf(const TargetData *TD, unsigned Form) const; - - /// Profile - Used to gather unique data for the value folding set. - /// - static void Profile(FoldingSetNodeID &ID, const DWLabel &LabelHi, - const DWLabel &LabelLo); - virtual void Profile(FoldingSetNodeID &ID); + virtual unsigned SizeOf(AsmPrinter *AP, unsigned Form) const; // Implement isa/cast/dyncast. - static bool classof(const DIEDelta *) { return true; } static bool classof(const DIEValue *D) { return D->getType() == isDelta; } #ifndef NDEBUG - virtual void print(std::ostream &O); + virtual void print(raw_ostream &O); #endif }; //===--------------------------------------------------------------------===// - /// DIEntry - A pointer to another debug information entry. An instance of + /// DIEEntry - A pointer to another debug information entry. An instance of /// this class can also be used as a proxy for a debug information entry not /// yet defined (ie. types.) - class VISIBILITY_HIDDEN DIEEntry : public DIEValue { - DIE *Entry; + class DIEEntry : public DIEValue { + DIE *const Entry; public: explicit DIEEntry(DIE *E) : DIEValue(isEntry), Entry(E) {} DIE *getEntry() const { return Entry; } - void setEntry(DIE *E) { Entry = E; } /// EmitValue - Emit debug information entry offset. /// - virtual void EmitValue(Dwarf *D, unsigned Form) const; + virtual void EmitValue(AsmPrinter *AP, unsigned Form) const; /// SizeOf - Determine size of debug information entry in bytes. /// - virtual unsigned SizeOf(const TargetData *TD, unsigned Form) const { + virtual unsigned SizeOf(AsmPrinter *AP, unsigned Form) const { return sizeof(int32_t); } - /// Profile - Used to gather unique data for the value folding set. - /// - static void Profile(FoldingSetNodeID &ID, DIE *Entry); - virtual void Profile(FoldingSetNodeID &ID); - // Implement isa/cast/dyncast. - static bool classof(const DIEEntry *) { return true; } static bool classof(const DIEValue *E) { return E->getType() == isEntry; } #ifndef NDEBUG - virtual void print(std::ostream &O); + virtual void print(raw_ostream &O); #endif }; //===--------------------------------------------------------------------===// /// DIEBlock - A block of values. Primarily used for location expressions. // - class VISIBILITY_HIDDEN DIEBlock : public DIEValue, public DIE { + class DIEBlock : public DIEValue, public DIE { unsigned Size; // Size in bytes excluding size header. public: DIEBlock() @@ -512,7 +360,7 @@ namespace llvm { /// ComputeSize - calculate the size of the block. /// - unsigned ComputeSize(const TargetData *TD); + unsigned ComputeSize(AsmPrinter *AP); /// BestForm - Choose the best form for data. /// @@ -525,22 +373,17 @@ namespace llvm { /// EmitValue - Emit block data. /// - virtual void EmitValue(Dwarf *D, unsigned Form) const; + virtual void EmitValue(AsmPrinter *AP, unsigned Form) const; /// SizeOf - Determine size of block data in bytes. /// - virtual unsigned SizeOf(const TargetData *TD, unsigned Form) const; - - /// Profile - Used to gather unique data for the value folding set. - /// - virtual void Profile(FoldingSetNodeID &ID); + virtual unsigned SizeOf(AsmPrinter *AP, unsigned Form) const; // Implement isa/cast/dyncast. - static bool classof(const DIEBlock *) { return true; } static bool classof(const DIEValue *E) { return E->getType() == isBlock; } #ifndef NDEBUG - virtual void print(std::ostream &O); + virtual void print(raw_ostream &O); #endif };