LLVM API Documentation

 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Groups Pages
Public Member Functions | List of all members
llvm::TargetLoweringObjectFileMachO Class Reference

#include <TargetLoweringObjectFileImpl.h>

Inheritance diagram for llvm::TargetLoweringObjectFileMachO:
Inheritance graph
[legend]
Collaboration diagram for llvm::TargetLoweringObjectFileMachO:
Collaboration graph
[legend]

Public Member Functions

virtual ~TargetLoweringObjectFileMachO ()
 
virtual void emitModuleFlags (MCStreamer &Streamer, ArrayRef< Module::ModuleFlagEntry > ModuleFlags, Mangler *Mang, const TargetMachine &TM) const
 emitModuleFlags - Perform code emission for module flags. More...
 
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
 
virtual bool shouldEmitUsedDirectiveFor (const GlobalValue *GV, Mangler *) const
 
virtual const MCExpr * getTTypeGlobalReference (const GlobalValue *GV, Mangler *Mang, MachineModuleInfo *MMI, unsigned Encoding, MCStreamer &Streamer) const
 
virtual MCSymbol * getCFIPersonalitySymbol (const GlobalValue *GV, Mangler *Mang, MachineModuleInfo *MMI) const
 
- Public Member Functions inherited from llvm::TargetLoweringObjectFile
MCContext & getContext () const
 
 TargetLoweringObjectFile ()
 
virtual ~TargetLoweringObjectFile ()
 
virtual void Initialize (MCContext &ctx, const TargetMachine &TM)
 
virtual void emitPersonalityValue (MCStreamer &Streamer, const TargetMachine &TM, const MCSymbol *Sym) const
 
const MCSection * SectionForGlobal (const GlobalValue *GV, SectionKind Kind, Mangler *Mang, const TargetMachine &TM) const
 
const MCSection * SectionForGlobal (const GlobalValue *GV, Mangler *Mang, const TargetMachine &TM) const
 
virtual const MCSection * getSpecialCasedSectionGlobals (const GlobalValue *GV, Mangler *Mang, SectionKind Kind) const
 
MCSymbol * getSymbol (Mangler &M, const GlobalValue *GV) const
 
const MCExpr * getTTypeReference (const MCSymbolRefExpr *Sym, unsigned Encoding, MCStreamer &Streamer) const
 
virtual const MCSection * getStaticCtorSection (unsigned Priority=65535) const
 
virtual const MCSection * getStaticDtorSection (unsigned Priority=65535) const
 
virtual const MCExpr * getDebugThreadLocalSymbol (const MCSymbol *Sym) const
 Create a symbol reference to describe the given TLS variable when emitting the address in debug info. More...
 
- Public Member Functions inherited from llvm::MCObjectFileInfo
void InitMCObjectFileInfo (StringRef TT, Reloc::Model RM, CodeModel::Model CM, MCContext &ctx)
 
bool isFunctionEHFrameSymbolPrivate () const
 
bool getSupportsWeakOmittedEHFrame () const
 
bool getCommDirectiveSupportsAlignment () const
 
unsigned getPersonalityEncoding () const
 
unsigned getLSDAEncoding () const
 
unsigned getFDEEncoding (bool CFI) const
 
unsigned getTTypeEncoding () const
 
unsigned getCompactUnwindDwarfEHFrameOnly () const
 
const MCSection * getTextSection () const
 
const MCSection * getDataSection () const
 
const MCSection * getBSSSection () const
 
const MCSection * getLSDASection () const
 
const MCSection * getCompactUnwindSection () const
 
const MCSection * getDwarfAbbrevSection () const
 
const MCSection * getDwarfInfoSection () const
 
const MCSection * getDwarfLineSection () const
 
const MCSection * getDwarfFrameSection () const
 
const MCSection * getDwarfPubNamesSection () const
 
const MCSection * getDwarfPubTypesSection () const
 
const MCSection * getDwarfGnuPubNamesSection () const
 
const MCSection * getDwarfGnuPubTypesSection () const
 
const MCSection * getDwarfDebugInlineSection () const
 
const MCSection * getDwarfStrSection () const
 
const MCSection * getDwarfLocSection () const
 
const MCSection * getDwarfARangesSection () const
 
const MCSection * getDwarfRangesSection () const
 
const MCSection * getDwarfMacroInfoSection () const
 
const MCSection * getDwarfAccelNamesSection () const
 
const MCSection * getDwarfAccelObjCSection () const
 
const MCSection * getDwarfAccelNamespaceSection () const
 
const MCSection * getDwarfAccelTypesSection () const
 
const MCSection * getDwarfInfoDWOSection () const
 
const MCSection * getDwarfAbbrevDWOSection () const
 
const MCSection * getDwarfStrDWOSection () const
 
const MCSection * getDwarfLineDWOSection () const
 
const MCSection * getDwarfLocDWOSection () const
 
const MCSection * getDwarfStrOffDWOSection () const
 
const MCSection * getDwarfAddrSection () const
 
const MCSection * getTLSExtraDataSection () const
 
const MCSection * getTLSDataSection () const
 
const MCSection * getTLSBSSSection () const
 
const MCSection * getStackMapSection () const
 
const MCSection * getDataRelSection () const
 
const MCSection * getDataRelLocalSection () const
 
const MCSection * getDataRelROSection () const
 
const MCSection * getDataRelROLocalSection () const
 
const MCSection * getMergeableConst4Section () const
 
const MCSection * getMergeableConst8Section () const
 
const MCSection * getMergeableConst16Section () const
 
const MCSection * getTLSTLVSection () const
 
const MCSection * getTLSThreadInitSection () const
 
const MCSection * getCStringSection () const
 
const MCSection * getUStringSection () const
 
const MCSection * getTextCoalSection () const
 
const MCSection * getConstTextCoalSection () const
 
const MCSection * getConstDataSection () const
 
const MCSection * getDataCoalSection () const
 
const MCSection * getDataCommonSection () const
 
const MCSection * getDataBSSSection () const
 
const MCSection * getFourByteConstantSection () const
 
const MCSection * getEightByteConstantSection () const
 
const MCSection * getSixteenByteConstantSection () const
 
const MCSection * getLazySymbolPointerSection () const
 
const MCSection * getNonLazySymbolPointerSection () const
 
const MCSection * getDrectveSection () const
 
const MCSection * getPDataSection () const
 
const MCSection * getXDataSection () const
 
const MCSection * getEHFrameSection ()
 

Additional Inherited Members

- Static Public Member Functions inherited from llvm::TargetLoweringObjectFile
static SectionKind getKindForGlobal (const GlobalValue *GV, const TargetMachine &TM)
 
- Protected Attributes inherited from llvm::MCObjectFileInfo
bool CommDirectiveSupportsAlignment
 
bool SupportsWeakOmittedEHFrame
 
bool IsFunctionEHFrameSymbolPrivate
 
unsigned PersonalityEncoding
 
unsigned LSDAEncoding
 
unsigned FDEEncoding
 
unsigned FDECFIEncoding
 
unsigned TTypeEncoding
 
unsigned EHSectionType
 Section flags for eh_frame. More...
 
unsigned EHSectionFlags
 
unsigned CompactUnwindDwarfEHFrameOnly
 
const MCSection * TextSection
 
const MCSection * DataSection
 
const MCSection * BSSSection
 BSSSection - Section that is default initialized to zero. More...
 
const MCSection * ReadOnlySection
 
const MCSection * StaticCtorSection
 
const MCSection * StaticDtorSection
 
const MCSection * LSDASection
 
const MCSection * CompactUnwindSection
 
const MCSection * DwarfAbbrevSection
 
const MCSection * DwarfInfoSection
 
const MCSection * DwarfLineSection
 
const MCSection * DwarfFrameSection
 
const MCSection * DwarfPubTypesSection
 
const MCSection * DwarfDebugInlineSection
 
const MCSection * DwarfStrSection
 
const MCSection * DwarfLocSection
 
const MCSection * DwarfARangesSection
 
const MCSection * DwarfRangesSection
 
const MCSection * DwarfMacroInfoSection
 
const MCSection * DwarfPubNamesSection
 
const MCSection * DwarfAccelNamesSection
 
const MCSection * DwarfAccelObjCSection
 
const MCSection * DwarfAccelNamespaceSection
 
const MCSection * DwarfAccelTypesSection
 
const MCSection * DwarfInfoDWOSection
 These are used for the Fission separate debug information files. More...
 
const MCSection * DwarfAbbrevDWOSection
 
const MCSection * DwarfStrDWOSection
 
const MCSection * DwarfLineDWOSection
 
const MCSection * DwarfLocDWOSection
 
const MCSection * DwarfStrOffDWOSection
 
const MCSection * DwarfAddrSection
 
const MCSection * DwarfGnuPubNamesSection
 Sections for newer gnu pubnames and pubtypes. More...
 
const MCSection * DwarfGnuPubTypesSection
 
const MCSection * TLSExtraDataSection
 
const MCSection * TLSDataSection
 
const MCSection * TLSBSSSection
 
const MCSection * StackMapSection
 StackMap section. More...
 
const MCSection * EHFrameSection
 
const MCSection * DataRelSection
 
const MCSection * DataRelLocalSection
 
const MCSection * DataRelROSection
 
const MCSection * DataRelROLocalSection
 
const MCSection * MergeableConst4Section
 
const MCSection * MergeableConst8Section
 
const MCSection * MergeableConst16Section
 
const MCSection * TLSTLVSection
 
const MCSection * TLSThreadInitSection
 
const MCSection * CStringSection
 
const MCSection * UStringSection
 
const MCSection * TextCoalSection
 
const MCSection * ConstTextCoalSection
 
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
 
const MCSection * DrectveSection
 
const MCSection * PDataSection
 
const MCSection * XDataSection
 

Detailed Description

Definition at line 79 of file TargetLoweringObjectFileImpl.h.

Constructor & Destructor Documentation

virtual llvm::TargetLoweringObjectFileMachO::~TargetLoweringObjectFileMachO ( )
inlinevirtual

Definition at line 81 of file TargetLoweringObjectFileImpl.h.

Member Function Documentation

void TargetLoweringObjectFileMachO::emitModuleFlags ( MCStreamer &  Streamer,
ArrayRef< Module::ModuleFlagEntry >  ModuleFlags,
Mangler *  Mang,
const TargetMachine &  TM 
) const
virtual

emitModuleFlags - Perform code emission for module flags.

emitModuleFlags - Emit the module flags that specify the garbage collection information.

Reimplemented from llvm::TargetLoweringObjectFile.

Definition at line 410 of file TargetLoweringObjectFileImpl.cpp.

References llvm::MCStreamer::AddBlankLine(), llvm::ArrayRef< T >::begin(), llvm::Module::ModuleFlagEntry::Behavior, llvm::MCStreamer::EmitIntValue(), llvm::MCStreamer::EmitLabel(), llvm::MCStreamer::EmitLinkerOptions(), llvm::StringRef::empty(), llvm::ArrayRef< T >::end(), llvm::SectionKind::getDataNoRel(), llvm::MDNode::getNumOperands(), llvm::MDNode::getOperand(), llvm::MDString::getString(), llvm::Module::ModuleFlagEntry::Key, llvm::MCSectionMachO::ParseSectionSpecifier(), llvm::report_fatal_error(), llvm::Module::Require, llvm::ARMBuildAttrs::Section, llvm::MCStreamer::SwitchSection(), and llvm::Module::ModuleFlagEntry::Val.

MCSymbol * TargetLoweringObjectFileMachO::getCFIPersonalitySymbol ( const GlobalValue *  GV,
Mangler *  Mang,
MachineModuleInfo *  MMI 
) const
virtual

Reimplemented from llvm::TargetLoweringObjectFile.

Reimplemented in llvm::X86_64MachoTargetObjectFile.

Definition at line 660 of file TargetLoweringObjectFileImpl.cpp.

References llvm::MachineModuleInfoMachO::getGVStubEntry(), llvm::Mangler::getNameWithPrefix(), llvm::MachineModuleInfo::getObjFileInfo(), llvm::PointerIntPair< PointerTy, IntBits, IntType, PtrTraits >::getPointer(), and llvm::GlobalValue::hasLocalLinkage().

const MCSection * TargetLoweringObjectFileMachO::getExplicitSectionGlobal ( const GlobalValue *  GV,
SectionKind  Kind,
Mangler *  Mang,
const TargetMachine &  TM 
) const
virtual

getExplicitSectionGlobal - Targets should implement this method to assign a section to globals with an explicit section specfied. The implementation of this method can assume that GV->hasSection() is true.

Implements llvm::TargetLoweringObjectFile.

Definition at line 485 of file TargetLoweringObjectFileImpl.cpp.

References llvm::Value::getName(), llvm::GlobalValue::getSection(), llvm::MCSectionMachO::getStubSize(), llvm::MCSectionMachO::getTypeAndAttributes(), llvm::MCSectionMachO::ParseSectionSpecifier(), llvm::report_fatal_error(), and llvm::ARMBuildAttrs::Section.

const MCSection * TargetLoweringObjectFileMachO::getSectionForConstant ( SectionKind  Kind) const
virtual

getSectionForConstant - Given a constant with the SectionKind, return a section that it should be placed in.

getSectionForConstant - Given a mergable constant with the specified size and relocation information, return a section that it should be placed in.

Reimplemented from llvm::TargetLoweringObjectFile.

Definition at line 588 of file TargetLoweringObjectFileImpl.cpp.

References llvm::SectionKind::isDataRel(), llvm::SectionKind::isMergeableConst16(), llvm::SectionKind::isMergeableConst4(), llvm::SectionKind::isMergeableConst8(), and llvm::SectionKind::isReadOnlyWithRel().

const MCExpr * TargetLoweringObjectFileMachO::getTTypeGlobalReference ( const GlobalValue *  GV,
Mangler *  Mang,
MachineModuleInfo *  MMI,
unsigned  Encoding,
MCStreamer &  Streamer 
) const
virtual

getTTypeGlobalReference - The mach-o version of this method defaults to returning a stub reference.

Reimplemented from llvm::TargetLoweringObjectFile.

Reimplemented in llvm::X86_64MachoTargetObjectFile.

Definition at line 626 of file TargetLoweringObjectFileImpl.cpp.

References llvm::MCSymbolRefExpr::Create(), llvm::dwarf::DW_EH_PE_indirect, llvm::MachineModuleInfoMachO::getGVStubEntry(), llvm::MachineModuleInfoMachO::getHiddenGVStubEntry(), llvm::Mangler::getNameWithPrefix(), llvm::MachineModuleInfo::getObjFileInfo(), llvm::PointerIntPair< PointerTy, IntBits, IntType, PtrTraits >::getPointer(), llvm::TargetLoweringObjectFile::getTTypeGlobalReference(), llvm::TargetLoweringObjectFile::getTTypeReference(), llvm::GlobalValue::hasHiddenVisibility(), and llvm::GlobalValue::hasLocalLinkage().

Referenced by llvm::X86_64MachoTargetObjectFile::getTTypeGlobalReference().

const MCSection * TargetLoweringObjectFileMachO::SelectSectionForGlobal ( const GlobalValue *  GV,
SectionKind  Kind,
Mangler *  Mang,
const TargetMachine &  TM 
) const
virtual

Reimplemented from llvm::TargetLoweringObjectFile.

Definition at line 524 of file TargetLoweringObjectFileImpl.cpp.

References llvm::TargetMachine::getDataLayout(), llvm::DataLayout::getPreferredAlignment(), llvm::GlobalValue::hasExternalLinkage(), llvm::SectionKind::isBSSExtern(), llvm::SectionKind::isBSSLocal(), llvm::SectionKind::isMergeable1ByteCString(), llvm::SectionKind::isMergeable2ByteCString(), llvm::SectionKind::isMergeableConst(), llvm::SectionKind::isMergeableConst16(), llvm::SectionKind::isMergeableConst4(), llvm::SectionKind::isMergeableConst8(), llvm::SectionKind::isReadOnly(), llvm::SectionKind::isReadOnlyWithRel(), llvm::SectionKind::isText(), llvm::SectionKind::isThreadBSS(), llvm::SectionKind::isThreadData(), and llvm::GlobalValue::isWeakForLinker().

bool TargetLoweringObjectFileMachO::shouldEmitUsedDirectiveFor ( const GlobalValue *  GV,
Mangler *  Mang 
) const
virtual

shouldEmitUsedDirectiveFor - This hook allows targets to selectively decide not to emit the UsedDirective for some symbols in llvm.used. FIXME: REMOVE this (rdar://7071300)

shouldEmitUsedDirectiveFor - This hook allows targets to selectively decide not to emit the UsedDirective for some symbols in llvm.used.

On Darwin, internally linked data beginning with "L" or "l" does not have the directive emitted (this occurs in ObjC metadata).

Reimplemented from llvm::TargetLoweringObjectFile.

Definition at line 607 of file TargetLoweringObjectFileImpl.cpp.

References llvm::MCSymbol::getName(), and llvm::GlobalValue::hasLocalLinkage().

The documentation for this class was generated from the following files:

Generated on Tue Mar 18 2014 10:40:38 for LLVM by Doxygen1.8.6
Copyright © 2003-2013 University of Illinois at Urbana-Champaign. All Rights Reserved.