diff options
Diffstat (limited to 'include/llvm/CodeGen/TargetLoweringObjectFileImpl.h')
| -rw-r--r-- | include/llvm/CodeGen/TargetLoweringObjectFileImpl.h | 158 |
1 files changed, 82 insertions, 76 deletions
diff --git a/include/llvm/CodeGen/TargetLoweringObjectFileImpl.h b/include/llvm/CodeGen/TargetLoweringObjectFileImpl.h index 5b22c9c..16fed32 100644 --- a/include/llvm/CodeGen/TargetLoweringObjectFileImpl.h +++ b/include/llvm/CodeGen/TargetLoweringObjectFileImpl.h @@ -38,81 +38,81 @@ class TargetLoweringObjectFileELF : public TargetLoweringObjectFile { public: virtual ~TargetLoweringObjectFileELF() {} - virtual void emitPersonalityValue(MCStreamer &Streamer, + 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 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, - const MCSymbol *Sym) const; + MachineModuleInfo *MMI) const override; - /// getSectionForConstant - Given a constant with the SectionKind, return a - /// section that it should be placed in. - virtual const MCSection *getSectionForConstant(SectionKind Kind) const; + void InitializeELF(bool UseInitArray_); + const MCSection * + getStaticCtorSection(unsigned Priority = 65535) const override; + const MCSection * + getStaticDtorSection(unsigned Priority = 65535) const override; +}; - 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; +class TargetLoweringObjectFileMachO : public TargetLoweringObjectFile { +public: + virtual ~TargetLoweringObjectFileMachO() {} - /// getTTypeGlobalReference - Return an MCExpr to use for a reference to the - /// specified type info global variable from exception handling information. - virtual const MCExpr * - getTTypeGlobalReference(const GlobalValue *GV, Mangler *Mang, - MachineModuleInfo *MMI, unsigned Encoding, - MCStreamer &Streamer) const; + /// 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; - // getCFIPersonalitySymbol - The symbol that gets passed to .cfi_personality. - virtual MCSymbol * - getCFIPersonalitySymbol(const GlobalValue *GV, Mangler *Mang, - MachineModuleInfo *MMI) const; + /// 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; - void InitializeELF(bool UseInitArray_); - virtual const MCSection * - getStaticCtorSection(unsigned Priority = 65535) const; - virtual const MCSection * - getStaticDtorSection(unsigned Priority = 65535) const; -}; + 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; -class TargetLoweringObjectFileMachO : public TargetLoweringObjectFile { -public: - virtual ~TargetLoweringObjectFileMachO() {} + const MCSection *getSectionForConstant(SectionKind Kind) 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; - /// emitModuleFlags - Emit the module flags that specify the garbage - /// collection information. - virtual void emitModuleFlags(MCStreamer &Streamer, - ArrayRef<Module::ModuleFlagEntry> ModuleFlags, - Mangler *Mang, const TargetMachine &TM) const; - - 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; - - /// getTTypeGlobalReference - The mach-o version of this method - /// defaults to returning a stub reference. - virtual const MCExpr * - getTTypeGlobalReference(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; + // The symbol that gets passed to .cfi_personality. + MCSymbol *getCFIPersonalitySymbol(const GlobalValue *GV, Mangler &Mang, + const TargetMachine &TM, + MachineModuleInfo *MMI) const override; }; @@ -121,19 +121,25 @@ class TargetLoweringObjectFileCOFF : public TargetLoweringObjectFile { public: virtual ~TargetLoweringObjectFileCOFF() {} - 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; - - /// emitModuleFlags - Emit Obj-C garbage collection and linker options. Only - /// linker option emission is implemented for COFF. - virtual void emitModuleFlags(MCStreamer &Streamer, - ArrayRef<Module::ModuleFlagEntry> ModuleFlags, - Mangler *Mang, const TargetMachine &TM) const; + 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; }; } // end namespace llvm |