class TargetLoweringObjectFileELF : public TargetLoweringObjectFile {
-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;
-public:
- TargetLoweringObjectFileELF() {}
- ~TargetLoweringObjectFileELF() {}
-
- virtual void Initialize(MCContext &Ctx, const TargetMachine &TM);
-
- const MCSection *getDataRelSection() const { return DataRelSection; }
-
- /// getSectionForConstant - Given a constant with the SectionKind, return a
- /// section that it should be placed in.
- virtual const MCSection *getSectionForConstant(SectionKind Kind) const;
-
-
- virtual const MCSection *
- getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind,
- Mangler *Mang, const TargetMachine &TM) const;
+ bool UseInitArray;
- virtual const MCSection *
- SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
- Mangler *Mang, const TargetMachine &TM) const;
-
- /// getExprForDwarfGlobalReference - Return an MCExpr to use for a reference
- /// to the specified global variable from exception handling information.
- ///
- virtual const MCExpr *
- getExprForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
- MachineModuleInfo *MMI, unsigned Encoding,
- MCStreamer &Streamer) const;
+public:
+ virtual ~TargetLoweringObjectFileELF() {}
+
+ void emitPersonalityValue(MCStreamer &Streamer, const TargetMachine &TM,
+ const MCSymbol *Sym) const override;
+
+ /// Given a constant with the SectionKind, return a section that it should be
+ /// placed in.
+ const MCSection *getSectionForConstant(SectionKind Kind,
+ const Constant *C) const override;
+
+ const MCSection *getExplicitSectionGlobal(const GlobalValue *GV,
+ SectionKind Kind, Mangler &Mang,
+ const TargetMachine &TM) const override;
+
+ const MCSection *SelectSectionForGlobal(const GlobalValue *GV,
+ SectionKind Kind, Mangler &Mang,
+ const TargetMachine &TM) const override;
+
+ /// Return an MCExpr to use for a reference to the specified type info global
+ /// variable from exception handling information.
+ const MCExpr *
+ getTTypeGlobalReference(const GlobalValue *GV, unsigned Encoding,
+ Mangler &Mang, const TargetMachine &TM,
+ MachineModuleInfo *MMI,
+ MCStreamer &Streamer) const override;
+
+ // The symbol that gets passed to .cfi_personality.
+ MCSymbol *getCFIPersonalitySymbol(const GlobalValue *GV, Mangler &Mang,
+ const TargetMachine &TM,
+ MachineModuleInfo *MMI) const override;
+
+ void InitializeELF(bool UseInitArray_);
+ const MCSection *getStaticCtorSection(unsigned Priority,
+ const MCSymbol *KeySym) const override;
+ const MCSection *getStaticDtorSection(unsigned Priority,
+ const MCSymbol *KeySym) const override;
};
class TargetLoweringObjectFileMachO : public TargetLoweringObjectFile {
- 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() {}
- ~TargetLoweringObjectFileMachO() {}
-
- virtual void Initialize(MCContext &Ctx, const TargetMachine &TM);
-
- virtual const MCSection *
- SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
- Mangler *Mang, const TargetMachine &TM) const;
-
- virtual const MCSection *
- getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind,
- Mangler *Mang, const TargetMachine &TM) const;
-
- virtual const MCSection *getSectionForConstant(SectionKind Kind) const;
-
- /// shouldEmitUsedDirectiveFor - This hook allows targets to selectively
- /// decide not to emit the UsedDirective for some symbols in llvm.used.
- /// FIXME: REMOVE this (rdar://7071300)
- virtual bool shouldEmitUsedDirectiveFor(const GlobalValue *GV,
- Mangler *) 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;
- }
-
- /// getExprForDwarfGlobalReference - The mach-o version of this method
- /// defaults to returning a stub reference.
- virtual const MCExpr *
- getExprForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
- MachineModuleInfo *MMI, unsigned Encoding,
- MCStreamer &Streamer) const;
-
- virtual unsigned getPersonalityEncoding() const;
- virtual unsigned getLSDAEncoding() const;
- virtual unsigned getFDEEncoding() const;
- virtual unsigned getTTypeEncoding() const;
+ virtual ~TargetLoweringObjectFileMachO() {}
+
+ /// Extract the dependent library name from a linker option string. Returns
+ /// StringRef() if the option does not specify a library.
+ StringRef getDepLibFromLinkerOpt(StringRef LinkerOption) const override;
+
+ /// Emit the module flags that specify the garbage collection information.
+ void emitModuleFlags(MCStreamer &Streamer,
+ ArrayRef<Module::ModuleFlagEntry> ModuleFlags,
+ Mangler &Mang, const TargetMachine &TM) const override;
+
+ bool isSectionAtomizableBySymbols(const MCSection &Section) const override;
+
+ const MCSection *
+ SelectSectionForGlobal(const GlobalValue *GV,
+ SectionKind Kind, Mangler &Mang,
+ const TargetMachine &TM) const override;
+
+ const MCSection *
+ getExplicitSectionGlobal(const GlobalValue *GV,
+ SectionKind Kind, Mangler &Mang,
+ const TargetMachine &TM) const override;
+
+ const MCSection *getSectionForConstant(SectionKind Kind,
+ const Constant *C) const override;
+
+ /// The mach-o version of this method defaults to returning a stub reference.
+ const MCExpr *
+ getTTypeGlobalReference(const GlobalValue *GV, unsigned Encoding,
+ Mangler &Mang, const TargetMachine &TM,
+ MachineModuleInfo *MMI,
+ MCStreamer &Streamer) const override;
+
+ // The symbol that gets passed to .cfi_personality.
+ MCSymbol *getCFIPersonalitySymbol(const GlobalValue *GV, Mangler &Mang,
+ const TargetMachine &TM,
+ MachineModuleInfo *MMI) const override;
};
class TargetLoweringObjectFileCOFF : public TargetLoweringObjectFile {
- mutable void *UniquingMap;
public:
- TargetLoweringObjectFileCOFF() : UniquingMap(0) {}
- ~TargetLoweringObjectFileCOFF();
-
- virtual void Initialize(MCContext &Ctx, const TargetMachine &TM);
-
- virtual const MCSection *
- getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind,
- Mangler *Mang, const TargetMachine &TM) const;
-
- 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;
+ virtual ~TargetLoweringObjectFileCOFF() {}
+
+ const MCSection *
+ getExplicitSectionGlobal(const GlobalValue *GV,
+ SectionKind Kind, Mangler &Mang,
+ const TargetMachine &TM) const override;
+
+ const MCSection *
+ SelectSectionForGlobal(const GlobalValue *GV,
+ SectionKind Kind, Mangler &Mang,
+ const TargetMachine &TM) const override;
+
+ /// Extract the dependent library name from a linker option string. Returns
+ /// StringRef() if the option does not specify a library.
+ StringRef getDepLibFromLinkerOpt(StringRef LinkerOption) const override;
+
+ /// Emit Obj-C garbage collection and linker options. Only linker option
+ /// emission is implemented for COFF.
+ void emitModuleFlags(MCStreamer &Streamer,
+ ArrayRef<Module::ModuleFlagEntry> ModuleFlags,
+ Mangler &Mang, const TargetMachine &TM) const override;
+
+ const MCSection *getStaticCtorSection(unsigned Priority,
+ const MCSymbol *KeySym) const override;
+ const MCSection *getStaticDtorSection(unsigned Priority,
+ const MCSymbol *KeySym) const override;
};
} // end namespace llvm
projects / oota-llvm.git / blobdiff