diff options
Diffstat (limited to 'contrib/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h')
| -rw-r--r-- | contrib/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h | 65 |
1 files changed, 43 insertions, 22 deletions
diff --git a/contrib/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h b/contrib/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h index 8654d6f..4cc01b3 100644 --- a/contrib/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h +++ b/contrib/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h @@ -65,7 +65,7 @@ public: //===----------------------------------------------------------------------===// /// This dwarf writer support class manages information associated with a /// source file. - class DwarfUnit : public DIEUnit { +class DwarfUnit : public DIEUnit { protected: /// MDNode for the compile unit. const DICompileUnit *CUNode; @@ -103,9 +103,10 @@ protected: bool applySubprogramDefinitionAttributes(const DISubprogram *SP, DIE &SPDie); -public: - virtual ~DwarfUnit(); + bool shareAcrossDWOCUs() const; + bool isShareableAcrossCUs(const DINode *D) const; +public: // Accessors. AsmPrinter* getAsmPrinter() const { return Asm; } uint16_t getLanguage() const { return CUNode->getSourceLanguage(); } @@ -124,12 +125,12 @@ public: std::string getParentContextString(const DIScope *Context) const; /// Add a new global name to the compile unit. - virtual void addGlobalName(StringRef Name, DIE &Die, const DIScope *Context) { - } + virtual void addGlobalName(StringRef Name, const DIE &Die, + const DIScope *Context) = 0; /// Add a new global type to the compile unit. virtual void addGlobalType(const DIType *Ty, const DIE &Die, - const DIScope *Context) {} + const DIScope *Context) = 0; /// Returns the DIE map slot for the specified debug variable. /// @@ -198,9 +199,6 @@ public: /// Add a type's DW_AT_signature and set the declaration flag. void addDIETypeSignature(DIE &Die, uint64_t Signature); - /// Add an attribute containing the type signature for a unique identifier. - void addDIETypeSignature(DIE &Die, dwarf::Attribute Attribute, - StringRef Identifier); /// Add block data. void addBlock(DIE &Die, dwarf::Attribute Attribute, DIELoc *Block); @@ -215,7 +213,6 @@ public: void addSourceLine(DIE &Die, const DIGlobalVariable *G); void addSourceLine(DIE &Die, const DISubprogram *SP); void addSourceLine(DIE &Die, const DIType *Ty); - void addSourceLine(DIE &Die, const DINamespace *NS); void addSourceLine(DIE &Die, const DIObjCProperty *Ty); /// Add constant value entry in variable DIE. @@ -235,6 +232,9 @@ public: /// Add template parameters in buffer. void addTemplateParams(DIE &Buffer, DINodeArray TParams); + /// Add thrown types. + void addThrownTypes(DIE &Die, DINodeArray ThrownTypes); + // FIXME: Should be reformulated in terms of addComplexAddress. /// Start with the address based on the location provided, and generate the /// DWARF information necessary to find the actual Block variable (navigating @@ -256,15 +256,12 @@ public: DIE *getOrCreateSubprogramDIE(const DISubprogram *SP, bool Minimal = false); void applySubprogramAttributes(const DISubprogram *SP, DIE &SPDie, - bool Minimal = false); + bool SkipSPAttributes = false); /// Find existing DIE or create new DIE for the given type. DIE *getOrCreateTypeDIE(const MDNode *N); /// Get context owner's DIE. - DIE *createTypeDIE(const DICompositeType *Ty); - - /// Get context owner's DIE. DIE *getOrCreateContextDIE(const DIScope *Context); /// Construct DIEs for types that contain vtables. @@ -282,17 +279,30 @@ public: virtual unsigned getHeaderSize() const { return sizeof(int16_t) + // DWARF version number sizeof(int32_t) + // Offset Into Abbrev. Section - sizeof(int8_t); // Pointer Size (in bytes) + sizeof(int8_t) + // Pointer Size (in bytes) + (DD->getDwarfVersion() >= 5 ? sizeof(int8_t) + : 0); // DWARF v5 unit type } /// Emit the header for this unit, not including the initial length field. - virtual void emitHeader(bool UseOffsets); + virtual void emitHeader(bool UseOffsets) = 0; virtual DwarfCompileUnit &getCU() = 0; void constructTypeDIE(DIE &Buffer, const DICompositeType *CTy); + /// addSectionDelta - Add a label delta attribute data and value. + DIE::value_iterator addSectionDelta(DIE &Die, dwarf::Attribute Attribute, + const MCSymbol *Hi, const MCSymbol *Lo); + + /// Add a Dwarf section label attribute data and value. + DIE::value_iterator addSectionLabel(DIE &Die, dwarf::Attribute Attribute, + const MCSymbol *Label, + const MCSymbol *Sec); + protected: + ~DwarfUnit(); + /// Create new static data member DIE. DIE *getOrCreateStaticMemberDIE(const DIDerivedType *DT); @@ -306,6 +316,14 @@ protected: return Ref.resolve(); } + /// If this is a named finished type then include it in the list of types for + /// the accelerator tables. + void updateAcceleratorTables(const DIScope *Context, const DIType *Ty, + const DIE &TyDIE); + + /// Emit the common part of the header for this unit. + void emitCommonHeader(bool UseOffsets, dwarf::UnitType UT); + private: void constructTypeDIE(DIE &Buffer, const DIBasicType *BTy); void constructTypeDIE(DIE &Buffer, const DIDerivedType *DTy); @@ -330,15 +348,11 @@ private: /// Set D as anonymous type for index which can be reused later. void setIndexTyDie(DIE *D) { IndexTyDie = D; } - /// If this is a named finished type then include it in the list of types for - /// the accelerator tables. - void updateAcceleratorTables(const DIScope *Context, const DIType *Ty, - const DIE &TyDIE); - virtual bool isDwoUnit() const = 0; + const MCSymbol *getCrossSectionRelativeBaseAddress() const override; }; -class DwarfTypeUnit : public DwarfUnit { +class DwarfTypeUnit final : public DwarfUnit { uint64_t TypeSignature; const DIE *Ty; DwarfCompileUnit &CU; @@ -354,12 +368,19 @@ public: void setTypeSignature(uint64_t Signature) { TypeSignature = Signature; } void setType(const DIE *Ty) { this->Ty = Ty; } + /// Get context owner's DIE. + DIE *createTypeDIE(const DICompositeType *Ty); + /// Emit the header for this unit, not including the initial length field. void emitHeader(bool UseOffsets) override; unsigned getHeaderSize() const override { return DwarfUnit::getHeaderSize() + sizeof(uint64_t) + // Type Signature sizeof(uint32_t); // Type DIE Offset } + void addGlobalName(StringRef Name, const DIE &Die, + const DIScope *Context) override; + void addGlobalType(const DIType *Ty, const DIE &Die, + const DIScope *Context) override; DwarfCompileUnit &getCU() override { return CU; } }; } // end llvm namespace |
