X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FAsmPrinter%2FDIE.h;h=cc3ebbd5d56253bfd1d9631eaefd2b214e70da11;hb=2df938ad713140c352b2d81b49490e337c018891;hp=7d61f1edff4aabc98e755e5a8375cf60cfb3d241;hpb=8104163fd14a1a429800c97f82346614590de8c2;p=oota-llvm.git diff --git a/lib/CodeGen/AsmPrinter/DIE.h b/lib/CodeGen/AsmPrinter/DIE.h index 7d61f1edff4..cc3ebbd5d56 100644 --- a/lib/CodeGen/AsmPrinter/DIE.h +++ b/lib/CodeGen/AsmPrinter/DIE.h @@ -8,7 +8,7 @@ //===----------------------------------------------------------------------===// // // Data structures for DWARF info entries. -// +// //===----------------------------------------------------------------------===// #ifndef CODEGEN_ASMPRINTER_DIE_H__ @@ -31,17 +31,17 @@ namespace llvm { 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. /// @@ -54,41 +54,41 @@ namespace llvm { 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() {} + 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)); } @@ -113,10 +113,6 @@ namespace llvm { class DIE { protected: - /// Abbrev - Buffer for constructing abbreviation. - /// - DIEAbbrev Abbrev; - /// Offset - Offset in debug info section. /// unsigned Offset; @@ -125,22 +121,26 @@ namespace llvm { /// unsigned Size; + /// Abbrev - Buffer for constructing abbreviation. + /// + DIEAbbrev Abbrev; + /// Children DIEs. /// std::vector Children; DIE *Parent; - /// Attributes values. + /// Attribute values. /// - SmallVector Values; + SmallVector Values; // Private data for print() mutable unsigned IndentCount; public: explicit DIE(unsigned Tag) - : Abbrev(Tag, dwarf::DW_CHILDREN_no), Offset(0), - Size(0), Parent (0), IndentCount(0) {} + : Offset(0), Size(0), Abbrev(Tag, dwarf::DW_CHILDREN_no), Parent(0), + IndentCount(0) {} virtual ~DIE(); // Accessors. @@ -150,12 +150,15 @@ namespace llvm { unsigned getOffset() const { return Offset; } unsigned getSize() const { return Size; } const std::vector &getChildren() const { return Children; } - const SmallVector &getValues() const { return Values; } + 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; } - + /// addValue - Add a value and attributes to a DIE. /// void addValue(unsigned Attribute, unsigned Form, DIEValue *Value) { @@ -163,16 +166,6 @@ namespace llvm { Values.push_back(Value); } - /// SiblingOffset - Return the offset of the debug information entry's - /// sibling. - unsigned getSiblingOffset() const { return Offset + Size; } - - /// addSiblingOffset - Add a sibling offset field to the front of the DIE. - /// The caller is responsible for deleting the return value at or after the - /// same time it destroys this DIE. - /// - DIEValue *addSiblingOffset(BumpPtrAllocator &A); - /// addChild - Add a child to the DIE. /// void addChild(DIE *Child) { @@ -195,12 +188,12 @@ namespace llvm { /// DIEValue - A debug information entry value. /// class DIEValue { + virtual void anchor(); public: enum { isInteger, isString, isLabel, - isSectionOffset, isDelta, isEntry, isBlock @@ -224,9 +217,6 @@ namespace llvm { /// virtual unsigned SizeOf(AsmPrinter *AP, unsigned Form) const = 0; - // Implement isa/cast/dyncast. - static bool classof(const DIEValue *) { return true; } - #ifndef NDEBUG virtual void print(raw_ostream &O) = 0; void dump(); @@ -245,9 +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; @@ -267,36 +258,8 @@ namespace llvm { 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(raw_ostream &O); -#endif - }; - - //===--------------------------------------------------------------------===// - /// DIEString - A string value DIE. This DIE keeps string reference only. - /// - class DIEString : public DIEValue { - const StringRef Str; - public: - explicit DIEString(const StringRef S) : DIEValue(isString), Str(S) {} - - /// EmitValue - Emit string value. - /// - virtual void EmitValue(AsmPrinter *AP, unsigned Form) const; - - /// SizeOf - Determine size of string value in bytes. - /// - virtual unsigned SizeOf(AsmPrinter *AP, unsigned /*Form*/) const { - return Str.size() + sizeof(char); // sizeof('\0'); - } - - // 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(raw_ostream &O); #endif @@ -323,7 +286,6 @@ namespace llvm { virtual unsigned SizeOf(AsmPrinter *AP, unsigned Form) const; // Implement isa/cast/dyncast. - static bool classof(const DIELabel *) { return true; } static bool classof(const DIEValue *L) { return L->getType() == isLabel; } #ifndef NDEBUG @@ -350,7 +312,6 @@ namespace llvm { 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 @@ -359,7 +320,7 @@ namespace llvm { }; //===--------------------------------------------------------------------===// - /// 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 DIEEntry : public DIEValue { @@ -380,7 +341,6 @@ namespace llvm { } // Implement isa/cast/dyncast. - static bool classof(const DIEEntry *) { return true; } static bool classof(const DIEValue *E) { return E->getType() == isEntry; } #ifndef NDEBUG @@ -420,7 +380,6 @@ namespace llvm { 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