X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FCodeGen%2FTargetLoweringObjectFileImpl.h;h=9849e92f7decb3710f35c57dd03ebb341d07e742;hb=881a05b46c28299046bd0dc3d0b8c6677e68a4d7;hp=c5aa626a4683dd2a3d138562b1080a402d284d86;hpb=6b89aa57e6506f073579398bd74845db9463b9f1;p=oota-llvm.git diff --git a/include/llvm/CodeGen/TargetLoweringObjectFileImpl.h b/include/llvm/CodeGen/TargetLoweringObjectFileImpl.h index c5aa626a468..9849e92f7de 100644 --- a/include/llvm/CodeGen/TargetLoweringObjectFileImpl.h +++ b/include/llvm/CodeGen/TargetLoweringObjectFileImpl.h @@ -15,9 +15,9 @@ #ifndef LLVM_CODEGEN_TARGETLOWERINGOBJECTFILEIMPL_H #define LLVM_CODEGEN_TARGETLOWERINGOBJECTFILEIMPL_H -#include "llvm/ADT/StringRef.h" #include "llvm/MC/SectionKind.h" #include "llvm/Target/TargetLoweringObjectFile.h" +#include "llvm/ADT/StringRef.h" namespace llvm { class MachineModuleInfo; @@ -33,37 +33,14 @@ namespace llvm { class TargetLoweringObjectFileELF : public TargetLoweringObjectFile { - mutable void *UniquingMap; -protected: - /// TLSDataSection - Section directive for Thread Local data. - /// - const MCSection *TLSDataSection; // Defaults to ".tdata". - - /// TLSBSSSection - Section directive for Thread Local uninitialized data. - /// Null if this target doesn't support a BSS section. - /// - const MCSection *TLSBSSSection; // Defaults to ".tbss". - - const MCSection *DataRelSection; - const MCSection *DataRelLocalSection; - const MCSection *DataRelROSection; - const MCSection *DataRelROLocalSection; - - const MCSection *MergeableConst4Section; - const MCSection *MergeableConst8Section; - const MCSection *MergeableConst16Section; + bool UseInitArray; -protected: - const MCSection *getELFSection(StringRef Section, unsigned Type, - unsigned Flags, SectionKind Kind, - bool IsExplicit = false) const; public: - TargetLoweringObjectFileELF() : UniquingMap(0) {} - ~TargetLoweringObjectFileELF(); + virtual ~TargetLoweringObjectFileELF() {} - virtual void Initialize(MCContext &Ctx, const TargetMachine &TM); - - const MCSection *getDataRelSection() const { return DataRelSection; } + virtual void emitPersonalityValue(MCStreamer &Streamer, + const TargetMachine &TM, + const MCSymbol *Sym) const; /// getSectionForConstant - Given a constant with the SectionKind, return a /// section that it should be placed in. @@ -78,39 +55,37 @@ public: SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind, Mangler *Mang, const TargetMachine &TM) const; - /// getSymbolForDwarfGlobalReference - Return an MCExpr to use for a reference + /// getExprForDwarfGlobalReference - Return an MCExpr to use for a reference /// to the specified global variable from exception handling information. /// virtual const MCExpr * - getSymbolForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang, - MachineModuleInfo *MMI, unsigned Encoding) const; + getExprForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang, + MachineModuleInfo *MMI, unsigned Encoding, + MCStreamer &Streamer) const; + + // getCFIPersonalitySymbol - The symbol that gets passed to .cfi_personality. + virtual MCSymbol * + getCFIPersonalitySymbol(const GlobalValue *GV, Mangler *Mang, + MachineModuleInfo *MMI) const; + + void InitializeELF(bool UseInitArray_); + virtual const MCSection * + getStaticCtorSection(unsigned Priority = 65535) const; + virtual const MCSection * + getStaticDtorSection(unsigned Priority = 65535) const; }; class TargetLoweringObjectFileMachO : public TargetLoweringObjectFile { - mutable void *UniquingMap; - - const MCSection *CStringSection; - const MCSection *UStringSection; - const MCSection *TextCoalSection; - const MCSection *ConstTextCoalSection; - const MCSection *ConstDataCoalSection; - const MCSection *ConstDataSection; - const MCSection *DataCoalSection; - const MCSection *DataCommonSection; - const MCSection *DataBSSSection; - const MCSection *FourByteConstantSection; - const MCSection *EightByteConstantSection; - const MCSection *SixteenByteConstantSection; - - const MCSection *LazySymbolPointerSection; - const MCSection *NonLazySymbolPointerSection; public: - TargetLoweringObjectFileMachO() : UniquingMap(0) {} - ~TargetLoweringObjectFileMachO(); + virtual ~TargetLoweringObjectFileMachO() {} - virtual void Initialize(MCContext &Ctx, const TargetMachine &TM); + /// emitModuleFlags - Emit the module flags that specify the garbage + /// collection information. + virtual void emitModuleFlags(MCStreamer &Streamer, + ArrayRef ModuleFlags, + Mangler *Mang, const TargetMachine &TM) const; virtual const MCSection * SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind, @@ -128,60 +103,24 @@ public: virtual bool shouldEmitUsedDirectiveFor(const GlobalValue *GV, Mangler *) const; - /// getMachOSection - Return the MCSection for the specified mach-o section. - /// This requires the operands to be valid. - const MCSectionMachO *getMachOSection(StringRef Segment, - StringRef Section, - unsigned TypeAndAttributes, - SectionKind K) const { - return getMachOSection(Segment, Section, TypeAndAttributes, 0, K); - } - const MCSectionMachO *getMachOSection(StringRef Segment, - StringRef Section, - unsigned TypeAndAttributes, - unsigned Reserved2, - SectionKind K) const; - - /// getTextCoalSection - Return the "__TEXT,__textcoal_nt" section we put weak - /// text symbols into. - const MCSection *getTextCoalSection() const { - return TextCoalSection; - } - - /// getConstTextCoalSection - Return the "__TEXT,__const_coal" section - /// we put weak read-only symbols into. - const MCSection *getConstTextCoalSection() const { - return ConstTextCoalSection; - } - - /// getLazySymbolPointerSection - Return the section corresponding to - /// the .lazy_symbol_pointer directive. - const MCSection *getLazySymbolPointerSection() const { - return LazySymbolPointerSection; - } - - /// getNonLazySymbolPointerSection - Return the section corresponding to - /// the .non_lazy_symbol_pointer directive. - const MCSection *getNonLazySymbolPointerSection() const { - return NonLazySymbolPointerSection; - } - - /// getSymbolForDwarfGlobalReference - The mach-o version of this method + /// getExprForDwarfGlobalReference - The mach-o version of this method /// defaults to returning a stub reference. virtual const MCExpr * - getSymbolForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang, - MachineModuleInfo *MMI, unsigned Encoding) const; + getExprForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang, + MachineModuleInfo *MMI, unsigned Encoding, + MCStreamer &Streamer) const; + + // getCFIPersonalitySymbol - The symbol that gets passed to .cfi_personality. + virtual MCSymbol * + getCFIPersonalitySymbol(const GlobalValue *GV, Mangler *Mang, + MachineModuleInfo *MMI) const; }; class TargetLoweringObjectFileCOFF : public TargetLoweringObjectFile { - mutable void *UniquingMap; public: - TargetLoweringObjectFileCOFF() : UniquingMap(0) {} - ~TargetLoweringObjectFileCOFF(); - - virtual void Initialize(MCContext &Ctx, const TargetMachine &TM); + virtual ~TargetLoweringObjectFileCOFF() {} virtual const MCSection * getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind, @@ -190,11 +129,6 @@ public: virtual const MCSection * SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind, Mangler *Mang, const TargetMachine &TM) const; - - /// getCOFFSection - Return the MCSection for the specified COFF section. - /// FIXME: Switch this to a semantic view eventually. - const MCSection *getCOFFSection(StringRef Name, bool isDirective, - SectionKind K) const; }; } // end namespace llvm