LLVM 17.0.0git
Public Member Functions | Static Public Member Functions | List of all members
llvm::TargetLoweringObjectFileXCOFF Class Reference

#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"

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Public Member Functions

 TargetLoweringObjectFileXCOFF ()=default
 
 ~TargetLoweringObjectFileXCOFF () override=default
 
void Initialize (MCContext &Ctx, const TargetMachine &TM) override
 This method must be called before any actual lowering is done.
 
bool shouldPutJumpTableInFunctionSection (bool UsesLabelDifference, const Function &F) const override
 
MCSection * getExplicitSectionGlobal (const GlobalObject *GO, SectionKind Kind, const TargetMachine &TM) const override
 Targets should implement this method to assign a section to globals with an explicit section specfied.
 
MCSection * getStaticCtorSection (unsigned Priority, const MCSymbol *KeySym) const override
 
MCSection * getStaticDtorSection (unsigned Priority, const MCSymbol *KeySym) const override
 
const MCExpr * lowerRelativeReference (const GlobalValue *LHS, const GlobalValue *RHS, const TargetMachine &TM) const override
 
MCSection * SelectSectionForGlobal (const GlobalObject *GO, SectionKind Kind, const TargetMachine &TM) const override
 
MCSection * getSectionForJumpTable (const Function &F, const TargetMachine &TM) const override
 
MCSection * getSectionForConstant (const DataLayout &DL, SectionKind Kind, const Constant *C, Align &Alignment) const override
 Given a constant with the SectionKind, return a section that it should be placed in.
 
MCSection * getSectionForFunctionDescriptor (const Function *F, const TargetMachine &TM) const override
 On targets that use separate function descriptor symbols, return a section for the descriptor given its symbol.
 
MCSection * getSectionForTOCEntry (const MCSymbol *Sym, const TargetMachine &TM) const override
 On targets that support TOC entries, return a section for the entry given the symbol it refers to.
 
MCSection * getSectionForExternalReference (const GlobalObject *GO, const TargetMachine &TM) const override
 For external functions, this will always return a function descriptor csect.
 
MCSymbol * getTargetSymbol (const GlobalValue *GV, const TargetMachine &TM) const override
 For functions, this will always return a function descriptor symbol.
 
MCSymbol * getFunctionEntryPointSymbol (const GlobalValue *Func, const TargetMachine &TM) const override
 If supported, return the function entry point symbol.
 
MCSection * getSectionForLSDA (const Function &F, const MCSymbol &FnSym, const TargetMachine &TM) const override
 For functions, this will return the LSDA section.
 
- Public Member Functions inherited from llvm::TargetLoweringObjectFile
 TargetLoweringObjectFile ()=default
 
 TargetLoweringObjectFile (const TargetLoweringObjectFile &)=delete
 
TargetLoweringObjectFile & operator= (const TargetLoweringObjectFile &)=delete
 
virtual ~TargetLoweringObjectFile ()
 
Mangler & getMangler () const
 
virtual void Initialize (MCContext &ctx, const TargetMachine &TM)
 This method must be called before any actual lowering is done.
 
virtual void emitPersonalityValue (MCStreamer &Streamer, const DataLayout &TM, const MCSymbol *Sym) const
 
virtual void emitModuleMetadata (MCStreamer &Streamer, Module &M) const
 Emit the module-level metadata that the platform cares about.
 
void emitCGProfileMetadata (MCStreamer &Streamer, Module &M) const
 Emit Call Graph Profile metadata.
 
virtual void getModuleMetadata (Module &M)
 Get the module-level metadata that the platform cares about.
 
virtual MCSection * getSectionForConstant (const DataLayout &DL, SectionKind Kind, const Constant *C, Align &Alignment) const
 Given a constant with the SectionKind, return a section that it should be placed in.
 
virtual MCSection * getSectionForMachineBasicBlock (const Function &F, const MachineBasicBlock &MBB, const TargetMachine &TM) const
 
virtual MCSection * getUniqueSectionForFunction (const Function &F, const TargetMachine &TM) const
 
MCSection * SectionForGlobal (const GlobalObject *GO, SectionKind Kind, const TargetMachine &TM) const
 This method computes the appropriate section to emit the specified global variable or function definition.
 
MCSection * SectionForGlobal (const GlobalObject *GO, const TargetMachine &TM) const
 This method computes the appropriate section to emit the specified global variable or function definition.
 
virtual void getNameWithPrefix (SmallVectorImpl< char > &OutName, const GlobalValue *GV, const TargetMachine &TM) const
 
virtual MCSection * getSectionForJumpTable (const Function &F, const TargetMachine &TM) const
 
virtual MCSection * getSectionForLSDA (const Function &, const MCSymbol &, const TargetMachine &) const
 
virtual bool shouldPutJumpTableInFunctionSection (bool UsesLabelDifference, const Function &F) const
 
virtual MCSection * getExplicitSectionGlobal (const GlobalObject *GO, SectionKind Kind, const TargetMachine &TM) const =0
 Targets should implement this method to assign a section to globals with an explicit section specfied.
 
virtual const MCExpr * getTTypeGlobalReference (const GlobalValue *GV, unsigned Encoding, const TargetMachine &TM, MachineModuleInfo *MMI, MCStreamer &Streamer) const
 Return an MCExpr to use for a reference to the specified global variable from exception handling information.
 
MCSymbol * getSymbolWithGlobalValueBase (const GlobalValue *GV, StringRef Suffix, const TargetMachine &TM) const
 Return the MCSymbol for a private symbol with global value name as its base, with the specified suffix.
 
virtual MCSymbol * getCFIPersonalitySymbol (const GlobalValue *GV, const TargetMachine &TM, MachineModuleInfo *MMI) const
 
unsigned getPersonalityEncoding () const
 
unsigned getLSDAEncoding () const
 
unsigned getTTypeEncoding () const
 
unsigned getCallSiteEncoding () const
 
const MCExpr * getTTypeReference (const MCSymbolRefExpr *Sym, unsigned Encoding, MCStreamer &Streamer) const
 
virtual MCSection * getStaticCtorSection (unsigned Priority, const MCSymbol *KeySym) const
 
virtual MCSection * getStaticDtorSection (unsigned Priority, const MCSymbol *KeySym) 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.
 
virtual const MCExpr * lowerRelativeReference (const GlobalValue *LHS, const GlobalValue *RHS, const TargetMachine &TM) const
 
bool supportDSOLocalEquivalentLowering () const
 Target supports a native lowering of a dso_local_equivalent constant without needing to replace it with equivalent IR.
 
virtual const MCExpr * lowerDSOLocalEquivalent (const DSOLocalEquivalent *Equiv, const TargetMachine &TM) const
 
bool supportIndirectSymViaGOTPCRel () const
 Target supports replacing a data "PC"-relative access to a symbol through another symbol, by accessing the later via a GOT entry instead?
 
bool supportGOTPCRelWithOffset () const
 Target GOT "PC"-relative relocation supports encoding an additional binary expression with an offset?
 
bool supportDebugThreadLocalLocation () const
 Target supports TLS offset relocation in debug section?
 
virtual MCRegister getStaticBase () const
 Returns the register used as static base in RWPI variants.
 
virtual const MCExpr * getIndirectSymViaRWPI (const MCSymbol *Sym) const
 Get the target specific RWPI relocation.
 
virtual const MCExpr * getIndirectSymViaGOTPCRel (const GlobalValue *GV, const MCSymbol *Sym, const MCValue &MV, int64_t Offset, MachineModuleInfo *MMI, MCStreamer &Streamer) const
 Get the target specific PC relative GOT entry relocation.
 
virtual MCSection * getSectionForCommandLines () const
 If supported, return the section to use for the llvm.commandline metadata.
 
virtual MCSection * getSectionForFunctionDescriptor (const Function *F, const TargetMachine &TM) const
 On targets that use separate function descriptor symbols, return a section for the descriptor given its symbol.
 
virtual MCSection * getSectionForTOCEntry (const MCSymbol *S, const TargetMachine &TM) const
 On targets that support TOC entries, return a section for the entry given the symbol it refers to.
 
virtual MCSection * getSectionForExternalReference (const GlobalObject *GO, const TargetMachine &TM) const
 On targets that associate external references with a section, return such a section for the given external global.
 
virtual MCSymbol * getTargetSymbol (const GlobalValue *GV, const TargetMachine &TM) const
 Targets that have a special convention for their symbols could use this hook to return a specialized symbol.
 
virtual MCSymbol * getFunctionEntryPointSymbol (const GlobalValue *Func, const TargetMachine &TM) const
 If supported, return the function entry point symbol.
 
- Public Member Functions inherited from llvm::MCObjectFileInfo
void initMCObjectFileInfo (MCContext &MCCtx, bool PIC, bool LargeCodeModel=false)
 
virtual ~MCObjectFileInfo ()
 
MCContext & getContext () const
 
bool getSupportsWeakOmittedEHFrame () const
 
bool getSupportsCompactUnwindWithoutEHFrame () const
 
bool getOmitDwarfIfHaveCompactUnwind () const
 
unsigned getFDEEncoding () const
 
unsigned getCompactUnwindDwarfEHFrameOnly () const
 
virtual unsigned getTextSectionAlignment () const
 
MCSection * getTextSection () const
 
MCSection * getDataSection () const
 
MCSection * getBSSSection () const
 
MCSection * getReadOnlySection () const
 
MCSection * getLSDASection () const
 
MCSection * getCompactUnwindSection () const
 
MCSection * getDwarfAbbrevSection () const
 
MCSection * getDwarfInfoSection () const
 
MCSection * getDwarfInfoSection (uint64_t Hash) const
 
MCSection * getDwarfLineSection () const
 
MCSection * getDwarfLineStrSection () const
 
MCSection * getDwarfFrameSection () const
 
MCSection * getDwarfPubNamesSection () const
 
MCSection * getDwarfPubTypesSection () const
 
MCSection * getDwarfGnuPubNamesSection () const
 
MCSection * getDwarfGnuPubTypesSection () const
 
const MCSection * getDwarfDebugInlineSection () const
 
MCSection * getDwarfStrSection () const
 
MCSection * getDwarfLocSection () const
 
MCSection * getDwarfARangesSection () const
 
MCSection * getDwarfRangesSection () const
 
MCSection * getDwarfRnglistsSection () const
 
MCSection * getDwarfLoclistsSection () const
 
MCSection * getDwarfMacinfoSection () const
 
MCSection * getDwarfMacroSection () const
 
MCSection * getDwarfDebugNamesSection () const
 
MCSection * getDwarfAccelNamesSection () const
 
MCSection * getDwarfAccelObjCSection () const
 
MCSection * getDwarfAccelNamespaceSection () const
 
MCSection * getDwarfAccelTypesSection () const
 
MCSection * getDwarfInfoDWOSection () const
 
MCSection * getDwarfTypesSection (uint64_t Hash) const
 
MCSection * getDwarfTypesDWOSection () const
 
MCSection * getDwarfAbbrevDWOSection () const
 
MCSection * getDwarfStrDWOSection () const
 
MCSection * getDwarfLineDWOSection () const
 
MCSection * getDwarfLocDWOSection () const
 
MCSection * getDwarfStrOffDWOSection () const
 
MCSection * getDwarfStrOffSection () const
 
MCSection * getDwarfAddrSection () const
 
MCSection * getDwarfRnglistsDWOSection () const
 
MCSection * getDwarfLoclistsDWOSection () const
 
MCSection * getDwarfMacroDWOSection () const
 
MCSection * getDwarfMacinfoDWOSection () const
 
MCSection * getDwarfCUIndexSection () const
 
MCSection * getDwarfTUIndexSection () const
 
MCSection * getDwarfSwiftASTSection () const
 
MCSection * getCOFFDebugSymbolsSection () const
 
MCSection * getCOFFDebugTypesSection () const
 
MCSection * getCOFFGlobalTypeHashesSection () const
 
MCSection * getTLSExtraDataSection () const
 
const MCSection * getTLSDataSection () const
 
MCSection * getTLSBSSSection () const
 
MCSection * getStackMapSection () const
 
MCSection * getFaultMapSection () const
 
MCSection * getRemarksSection () const
 
MCSection * getStackSizesSection (const MCSection &TextSec) const
 
MCSection * getBBAddrMapSection (const MCSection &TextSec) const
 
MCSection * getKCFITrapSection (const MCSection &TextSec) const
 
MCSection * getPseudoProbeSection (const MCSection &TextSec) const
 
MCSection * getPseudoProbeDescSection (StringRef FuncName) const
 
MCSection * getLLVMStatsSection () const
 
MCSection * getPCSection (StringRef Name, const MCSection *TextSec) const
 
MCSection * getDataRelROSection () const
 
const MCSection * getMergeableConst4Section () const
 
const MCSection * getMergeableConst8Section () const
 
const MCSection * getMergeableConst16Section () const
 
const MCSection * getMergeableConst32Section () const
 
const MCSection * getTLSTLVSection () const
 
const MCSection * getTLSThreadInitSection () const
 
const MCSection * getCStringSection () const
 
const MCSection * getUStringSection () const
 
MCSection * getTextCoalSection () const
 
const MCSection * getConstTextCoalSection () const
 
const MCSection * getConstDataSection () const
 
const MCSection * getDataCoalSection () const
 
const MCSection * getConstDataCoalSection () const
 
const MCSection * getDataCommonSection () const
 
MCSection * getDataBSSSection () const
 
const MCSection * getFourByteConstantSection () const
 
const MCSection * getEightByteConstantSection () const
 
const MCSection * getSixteenByteConstantSection () const
 
MCSection * getLazySymbolPointerSection () const
 
MCSection * getNonLazySymbolPointerSection () const
 
MCSection * getThreadLocalPointerSection () const
 
MCSection * getAddrSigSection () const
 
MCSection * getDrectveSection () const
 
MCSection * getPDataSection () const
 
MCSection * getXDataSection () const
 
MCSection * getSXDataSection () const
 
MCSection * getGEHContSection () const
 
MCSection * getGFIDsSection () const
 
MCSection * getGIATsSection () const
 
MCSection * getGLJMPSection () const
 
MCSection * getPPA1Section () const
 
MCSection * getTOCBaseSection () const
 
MCSection * getEHFrameSection () const
 
bool isPositionIndependent () const
 
MCSection * getSwift5ReflectionSection (llvm::binaryformat::Swift5ReflectionSectionKind ReflSectionKind)
 
void setSDKVersion (const VersionTuple &TheSDKVersion)
 
const VersionTuple & getSDKVersion () const
 
void setDarwinTargetVariantTriple (const Triple &T)
 
const Triple * getDarwinTargetVariantTriple () const
 
void setDarwinTargetVariantSDKVersion (const VersionTuple &TheSDKVersion)
 
const VersionTuple & getDarwinTargetVariantSDKVersion () const
 

Static Public Member Functions

static bool ShouldEmitEHBlock (const MachineFunction *MF)
 
static bool ShouldSetSSPCanaryBitInTB (const MachineFunction *MF)
 
static MCSymbol * getEHInfoTableSymbol (const MachineFunction *MF)
 
static XCOFF::StorageClass getStorageClassForGlobal (const GlobalValue *GV)
 
- Static Public Member Functions inherited from llvm::TargetLoweringObjectFile
static SectionKind getKindForGlobal (const GlobalObject *GO, const TargetMachine &TM)
 Classify the specified global variable into a set of target independent categories embodied in SectionKind.
 

Additional Inherited Members

virtual MCSection * SelectSectionForGlobal (const GlobalObject *GO, SectionKind Kind, const TargetMachine &TM) const =0
 
- Protected Attributes inherited from llvm::TargetLoweringObjectFile
bool SupportIndirectSymViaGOTPCRel = false
 
bool SupportGOTPCRelWithOffset = true
 
bool SupportDebugThreadLocalLocation = true
 
bool SupportDSOLocalEquivalentLowering = false
 
unsigned PersonalityEncoding = 0
 PersonalityEncoding, LSDAEncoding, TTypeEncoding - Some encoding values for EH.
 
unsigned LSDAEncoding = 0
 
unsigned TTypeEncoding = 0
 
unsigned CallSiteEncoding = 0
 
MCSection * StaticCtorSection = nullptr
 This section contains the static constructor pointer list.
 
MCSection * StaticDtorSection = nullptr
 This section contains the static destructor pointer list.
 
const TargetMachine * TM = nullptr
 
- Protected Attributes inherited from llvm::MCObjectFileInfo
bool SupportsWeakOmittedEHFrame = false
 True if target object file supports a weak_definition of constant 0 for an omitted EH frame.
 
bool SupportsCompactUnwindWithoutEHFrame = false
 True if the target object file supports emitting a compact unwind section without an associated EH frame section.
 
bool OmitDwarfIfHaveCompactUnwind = false
 OmitDwarfIfHaveCompactUnwind - True if the target object file supports having some functions with compact unwind and other with dwarf unwind.
 
unsigned FDECFIEncoding = 0
 FDE CFI encoding.
 
unsigned CompactUnwindDwarfEHFrameOnly = 0
 Compact unwind encoding indicating that we should emit only an EH frame.
 
MCSection * TextSection = nullptr
 Section directive for standard text.
 
MCSection * DataSection = nullptr
 Section directive for standard data.
 
MCSection * BSSSection = nullptr
 Section that is default initialized to zero.
 
MCSection * ReadOnlySection = nullptr
 Section that is readonly and can contain arbitrary initialized data.
 
MCSection * LSDASection = nullptr
 If exception handling is supported by the target, this is the section the Language Specific Data Area information is emitted to.
 
MCSection * CompactUnwindSection = nullptr
 If exception handling is supported by the target and the target can support a compact representation of the CIE and FDE, this is the section to emit them into.
 
MCSection * DwarfAbbrevSection = nullptr
 
MCSection * DwarfInfoSection = nullptr
 
MCSection * DwarfLineSection = nullptr
 
MCSection * DwarfLineStrSection = nullptr
 
MCSection * DwarfFrameSection = nullptr
 
MCSection * DwarfPubTypesSection = nullptr
 
const MCSection * DwarfDebugInlineSection = nullptr
 
MCSection * DwarfStrSection = nullptr
 
MCSection * DwarfLocSection = nullptr
 
MCSection * DwarfARangesSection = nullptr
 
MCSection * DwarfRangesSection = nullptr
 
MCSection * DwarfMacinfoSection = nullptr
 
MCSection * DwarfMacroSection = nullptr
 
MCSection * DwarfPubNamesSection = nullptr
 
MCSection * DwarfDebugNamesSection = nullptr
 Accelerator table sections.
 
MCSection * DwarfAccelNamesSection = nullptr
 
MCSection * DwarfAccelObjCSection = nullptr
 
MCSection * DwarfAccelNamespaceSection = nullptr
 
MCSection * DwarfAccelTypesSection = nullptr
 
MCSection * DwarfInfoDWOSection = nullptr
 
MCSection * DwarfTypesDWOSection = nullptr
 
MCSection * DwarfAbbrevDWOSection = nullptr
 
MCSection * DwarfStrDWOSection = nullptr
 
MCSection * DwarfLineDWOSection = nullptr
 
MCSection * DwarfLocDWOSection = nullptr
 
MCSection * DwarfStrOffDWOSection = nullptr
 
MCSection * DwarfMacinfoDWOSection = nullptr
 
MCSection * DwarfMacroDWOSection = nullptr
 
MCSection * DwarfStrOffSection = nullptr
 The DWARF v5 string offset and address table sections.
 
MCSection * DwarfAddrSection = nullptr
 
MCSection * DwarfRnglistsSection = nullptr
 The DWARF v5 range list section.
 
MCSection * DwarfLoclistsSection = nullptr
 The DWARF v5 locations list section.
 
MCSection * DwarfRnglistsDWOSection = nullptr
 The DWARF v5 range and location list sections for fission.
 
MCSection * DwarfLoclistsDWOSection = nullptr
 
MCSection * DwarfCUIndexSection = nullptr
 
MCSection * DwarfTUIndexSection = nullptr
 
MCSection * DwarfGnuPubNamesSection = nullptr
 Section for newer gnu pubnames.
 
MCSection * DwarfGnuPubTypesSection = nullptr
 Section for newer gnu pubtypes.
 
MCSection * DwarfSwiftASTSection = nullptr
 
MCSection * COFFDebugSymbolsSection = nullptr
 
MCSection * COFFDebugTypesSection = nullptr
 
MCSection * COFFGlobalTypeHashesSection = nullptr
 
MCSection * TLSExtraDataSection = nullptr
 Extra TLS Variable Data section.
 
MCSection * TLSDataSection = nullptr
 Section directive for Thread Local data. ELF, MachO, COFF, and Wasm.
 
MCSection * TLSBSSSection = nullptr
 Section directive for Thread Local uninitialized data.
 
MCSection * StackMapSection = nullptr
 StackMap section.
 
MCSection * FaultMapSection = nullptr
 FaultMap section.
 
MCSection * RemarksSection = nullptr
 Remarks section.
 
MCSection * EHFrameSection = nullptr
 EH frame section.
 
MCSection * StackSizesSection = nullptr
 Section containing metadata on function stack sizes.
 
MCSection * PseudoProbeSection = nullptr
 Section for pseudo probe information used by AutoFDO.
 
MCSection * PseudoProbeDescSection = nullptr
 
MCSection * LLVMStatsSection = nullptr
 
MCSection * DataRelROSection = nullptr
 
MCSection * MergeableConst4Section = nullptr
 
MCSection * MergeableConst8Section = nullptr
 
MCSection * MergeableConst16Section = nullptr
 
MCSection * MergeableConst32Section = nullptr
 
MCSection * TLSTLVSection = nullptr
 Section for thread local structure information.
 
const MCSection * TLSThreadInitSection = nullptr
 Section for thread local data initialization functions.
 
MCSection * CStringSection = nullptr
 
MCSection * UStringSection = nullptr
 
MCSection * TextCoalSection = nullptr
 
MCSection * ConstTextCoalSection = nullptr
 
MCSection * ConstDataSection = nullptr
 
MCSection * DataCoalSection = nullptr
 
MCSection * ConstDataCoalSection = nullptr
 
MCSection * DataCommonSection = nullptr
 
MCSection * DataBSSSection = nullptr
 
MCSection * FourByteConstantSection = nullptr
 
MCSection * EightByteConstantSection = nullptr
 
MCSection * SixteenByteConstantSection = nullptr
 
MCSection * LazySymbolPointerSection = nullptr
 
MCSection * NonLazySymbolPointerSection = nullptr
 
MCSection * ThreadLocalPointerSection = nullptr
 
MCSection * AddrSigSection = nullptr
 
MCSection * DrectveSection = nullptr
 COFF specific sections.
 
MCSection * PDataSection = nullptr
 
MCSection * XDataSection = nullptr
 
MCSection * SXDataSection = nullptr
 
MCSection * GEHContSection = nullptr
 
MCSection * GFIDsSection = nullptr
 
MCSection * GIATsSection = nullptr
 
MCSection * GLJMPSection = nullptr
 
MCSection * PPA1Section = nullptr
 
MCSection * TOCBaseSection = nullptr
 
MCSection * ReadOnly8Section = nullptr
 
MCSection * ReadOnly16Section = nullptr
 
std::array< MCSection *, binaryformat::Swift5ReflectionSectionKind::last > Swift5ReflectionSections = {}
 

Detailed Description

Definition at line 233 of file TargetLoweringObjectFileImpl.h.

Constructor & Destructor Documentation

◆ TargetLoweringObjectFileXCOFF()

llvm::TargetLoweringObjectFileXCOFF::TargetLoweringObjectFileXCOFF ( )
default

◆ ~TargetLoweringObjectFileXCOFF()

llvm::TargetLoweringObjectFileXCOFF::~TargetLoweringObjectFileXCOFF ( )
overridedefault

Member Function Documentation

◆ getEHInfoTableSymbol()

MCSymbol * TargetLoweringObjectFileXCOFF::getEHInfoTableSymbol ( const MachineFunction *  MF)
static

Definition at line 2286 of file TargetLoweringObjectFileImpl.cpp.

References llvm::MachineModuleInfo::getContext(), llvm::MachineFunction::getFunctionNumber(), llvm::MachineFunction::getMMI(), and llvm::MCContext::getOrCreateSymbol().

◆ getExplicitSectionGlobal()

MCSection * TargetLoweringObjectFileXCOFF::getExplicitSectionGlobal ( const GlobalObject *  GO,
SectionKind  Kind,
const TargetMachine &  TM 
) const
overridevirtual

Targets should implement this method to assign a section to globals with an explicit section specfied.

The implementation of this method can assume that GO->hasSection() is true.

Implements llvm::TargetLoweringObjectFile.

Definition at line 2328 of file TargetLoweringObjectFileImpl.cpp.

References llvm::MCObjectFileInfo::getContext(), llvm::GlobalObject::getSection(), llvm::MCContext::getXCOFFSection(), llvm::GlobalObject::hasSection(), llvm::report_fatal_error(), llvm::XCOFF::XMC_PR, llvm::XCOFF::XMC_RO, llvm::XCOFF::XMC_RW, llvm::XCOFF::XMC_TD, and llvm::XCOFF::XTY_SD.

◆ getFunctionEntryPointSymbol()

MCSymbol * TargetLoweringObjectFileXCOFF::getFunctionEntryPointSymbol ( const GlobalValue *  Func,
const TargetMachine &  TM 
) const
overridevirtual

If supported, return the function entry point symbol.

Otherwise, returns nullptr. Func must be a function or an alias which has a function as base object.

Reimplemented from llvm::TargetLoweringObjectFile.

Definition at line 2582 of file TargetLoweringObjectFileImpl.cpp.

References assert(), llvm::MCObjectFileInfo::getContext(), llvm::TargetMachine::getFunctionSections(), llvm::TargetLoweringObjectFile::getNameWithPrefix(), llvm::MCContext::getOrCreateSymbol(), llvm::MCSectionXCOFF::getQualNameSymbol(), llvm::SectionKind::getText(), llvm::MCContext::getXCOFFSection(), llvm::SmallVectorTemplateBase< T, bool >::push_back(), llvm::TargetLoweringObjectFile::TM, llvm::XCOFF::XMC_PR, llvm::XCOFF::XTY_ER, and llvm::XCOFF::XTY_SD.

Referenced by SelectSectionForGlobal().

◆ getSectionForConstant()

MCSection * TargetLoweringObjectFileXCOFF::getSectionForConstant ( const DataLayout &  DL,
SectionKind  Kind,
const Constant *  C,
Align &  Alignment 
) const
overridevirtual

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

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

Reimplemented from llvm::TargetLoweringObjectFile.

Definition at line 2501 of file TargetLoweringObjectFileImpl.cpp.

References assert(), llvm::MCObjectFileInfo::ReadOnly16Section, llvm::MCObjectFileInfo::ReadOnly8Section, llvm::MCObjectFileInfo::ReadOnlySection, and llvm::report_fatal_error().

◆ getSectionForExternalReference()

MCSection * TargetLoweringObjectFileXCOFF::getSectionForExternalReference ( const GlobalObject *  GO,
const TargetMachine &  TM 
) const
overridevirtual

For external functions, this will always return a function descriptor csect.

Reimplemented from llvm::TargetLoweringObjectFile.

Definition at line 2358 of file TargetLoweringObjectFileImpl.cpp.

References assert(), llvm::MCObjectFileInfo::getContext(), llvm::SectionKind::getMetadata(), llvm::TargetLoweringObjectFile::getNameWithPrefix(), llvm::MCContext::getXCOFFSection(), llvm::GlobalValue::isDeclarationForLinker(), llvm::GlobalValue::isThreadLocal(), Name, llvm::TargetLoweringObjectFile::TM, llvm::XCOFF::XMC_DS, llvm::XCOFF::XMC_TD, llvm::XCOFF::XMC_UA, llvm::XCOFF::XMC_UL, and llvm::XCOFF::XTY_ER.

Referenced by getTargetSymbol().

◆ getSectionForFunctionDescriptor()

MCSection * TargetLoweringObjectFileXCOFF::getSectionForFunctionDescriptor ( const Function *  F,
const TargetMachine &  TM 
) const
overridevirtual

On targets that use separate function descriptor symbols, return a section for the descriptor given its symbol.

Use only with defined functions.

Reimplemented from llvm::TargetLoweringObjectFile.

Definition at line 2614 of file TargetLoweringObjectFileImpl.cpp.

References F, llvm::MCObjectFileInfo::getContext(), llvm::SectionKind::getData(), llvm::TargetLoweringObjectFile::getNameWithPrefix(), llvm::MCContext::getXCOFFSection(), llvm::TargetLoweringObjectFile::TM, llvm::XCOFF::XMC_DS, and llvm::XCOFF::XTY_SD.

Referenced by getTargetSymbol().

◆ getSectionForJumpTable()

MCSection * TargetLoweringObjectFileXCOFF::getSectionForJumpTable ( const Function &  F,
const TargetMachine &  TM 
) const
overridevirtual

Reimplemented from llvm::TargetLoweringObjectFile.

Definition at line 2478 of file TargetLoweringObjectFileImpl.cpp.

References assert(), F, llvm::MCObjectFileInfo::getContext(), llvm::TargetMachine::getFunctionSections(), llvm::TargetLoweringObjectFile::getNameWithPrefix(), llvm::SectionKind::getReadOnly(), llvm::MCContext::getXCOFFSection(), llvm::MCObjectFileInfo::ReadOnlySection, llvm::TargetLoweringObjectFile::TM, llvm::XCOFF::XMC_RO, and llvm::XCOFF::XTY_SD.

◆ getSectionForLSDA()

MCSection * TargetLoweringObjectFileXCOFF::getSectionForLSDA ( const Function &  F,
const MCSymbol &  FnSym,
const TargetMachine &  TM 
) const
overridevirtual

For functions, this will return the LSDA section.

If option -ffunction-sections is on, this will return a unique csect with the function name appended to .gcc_except_table as a suffix of the LSDA section name.

Reimplemented from llvm::TargetLoweringObjectFile.

Definition at line 2634 of file TargetLoweringObjectFileImpl.cpp.

References F, llvm::MCObjectFileInfo::getContext(), llvm::TargetMachine::getFunctionSections(), llvm::MCContext::getXCOFFSection(), llvm::MCObjectFileInfo::LSDASection, and llvm::TargetLoweringObjectFile::TM.

◆ getSectionForTOCEntry()

MCSection * TargetLoweringObjectFileXCOFF::getSectionForTOCEntry ( const MCSymbol *  S,
const TargetMachine &  TM 
) const
overridevirtual

On targets that support TOC entries, return a section for the entry given the symbol it refers to.

TODO: Implement this interface for existing ELF targets.

Reimplemented from llvm::TargetLoweringObjectFile.

Definition at line 2623 of file TargetLoweringObjectFileImpl.cpp.

References llvm::TargetMachine::getCodeModel(), llvm::MCObjectFileInfo::getContext(), llvm::SectionKind::getData(), llvm::MCContext::getXCOFFSection(), llvm::CodeModel::Large, llvm::TargetLoweringObjectFile::TM, llvm::XCOFF::XMC_TC, llvm::XCOFF::XMC_TE, and llvm::XCOFF::XTY_SD.

◆ getStaticCtorSection()

MCSection * TargetLoweringObjectFileXCOFF::getStaticCtorSection ( unsigned  Priority,
const MCSymbol *  KeySym 
) const
overridevirtual

Reimplemented from llvm::TargetLoweringObjectFile.

Definition at line 2540 of file TargetLoweringObjectFileImpl.cpp.

References llvm::report_fatal_error().

◆ getStaticDtorSection()

MCSection * TargetLoweringObjectFileXCOFF::getStaticDtorSection ( unsigned  Priority,
const MCSymbol *  KeySym 
) const
overridevirtual

Reimplemented from llvm::TargetLoweringObjectFile.

Definition at line 2545 of file TargetLoweringObjectFileImpl.cpp.

References llvm::report_fatal_error().

◆ getStorageClassForGlobal()

XCOFF::StorageClass TargetLoweringObjectFileXCOFF::getStorageClassForGlobal ( const GlobalValue *  GV)
static

Definition at line 2558 of file TargetLoweringObjectFileImpl.cpp.

References llvm::GlobalValue::AppendingLinkage, assert(), llvm::GlobalValue::AvailableExternallyLinkage, llvm::XCOFF::C_EXT, llvm::XCOFF::C_HIDEXT, llvm::XCOFF::C_WEAKEXT, llvm::GlobalValue::CommonLinkage, llvm::GlobalValue::ExternalLinkage, llvm::GlobalValue::ExternalWeakLinkage, llvm::GlobalValue::getLinkage(), llvm::GlobalValue::InternalLinkage, llvm::GlobalValue::LinkOnceAnyLinkage, llvm::GlobalValue::LinkOnceODRLinkage, llvm_unreachable, llvm::GlobalValue::PrivateLinkage, llvm::report_fatal_error(), llvm::GlobalValue::WeakAnyLinkage, and llvm::GlobalValue::WeakODRLinkage.

◆ getTargetSymbol()

MCSymbol * TargetLoweringObjectFileXCOFF::getTargetSymbol ( const GlobalValue *  GV,
const TargetMachine &  TM 
) const
overridevirtual

For functions, this will always return a function descriptor symbol.

Reimplemented from llvm::TargetLoweringObjectFile.

Definition at line 2292 of file TargetLoweringObjectFileImpl.cpp.

References llvm::SectionKind::getData(), llvm::TargetMachine::getDataSections(), llvm::TargetLoweringObjectFile::getKindForGlobal(), getSectionForExternalReference(), getSectionForFunctionDescriptor(), llvm::SectionKind::isBSSLocal(), llvm::SectionKind::isText(), llvm::SectionKind::isThreadBSSLocal(), llvm::TargetLoweringObjectFile::SectionForGlobal(), and llvm::TargetLoweringObjectFile::TM.

◆ Initialize()

void TargetLoweringObjectFileXCOFF::Initialize ( MCContext &  ctx,
const TargetMachine &  TM 
)
overridevirtual

This method must be called before any actual lowering is done.

Initialize - this method must be called before any actual lowering is done.

This specifies the current context for codegen, and gives the lowering implementations a chance to set up their default sections.

Reimplemented from llvm::TargetLoweringObjectFile.

Definition at line 2521 of file TargetLoweringObjectFileImpl.cpp.

References llvm::TargetLoweringObjectFile::CallSiteEncoding, llvm::dwarf::DW_EH_PE_datarel, llvm::dwarf::DW_EH_PE_indirect, llvm::dwarf::DW_EH_PE_sdata4, llvm::dwarf::DW_EH_PE_sdata8, llvm::dwarf::DW_EH_PE_udata4, llvm::TargetMachine::getTargetTriple(), llvm::TargetLoweringObjectFile::Initialize(), llvm::Triple::isArch32Bit(), llvm::TargetLoweringObjectFile::LSDAEncoding, llvm::TargetLoweringObjectFile::PersonalityEncoding, llvm::TargetLoweringObjectFile::SupportDebugThreadLocalLocation, and llvm::TargetLoweringObjectFile::TTypeEncoding.

◆ lowerRelativeReference()

const MCExpr * TargetLoweringObjectFileXCOFF::lowerRelativeReference ( const GlobalValue *  LHS,
const GlobalValue *  RHS,
const TargetMachine &  TM 
) const
overridevirtual

Reimplemented from llvm::TargetLoweringObjectFile.

Definition at line 2550 of file TargetLoweringObjectFileImpl.cpp.

◆ SelectSectionForGlobal()

MCSection * TargetLoweringObjectFileXCOFF::SelectSectionForGlobal ( const GlobalObject *  GO,
SectionKind  Kind,
const TargetMachine &  TM 
) const
overridevirtual

Implements llvm::TargetLoweringObjectFile.

Definition at line 2381 of file TargetLoweringObjectFileImpl.cpp.

References llvm::MCObjectFileInfo::DataSection, llvm::MCObjectFileInfo::getContext(), llvm::SectionKind::getData(), llvm::Module::getDataLayout(), llvm::TargetMachine::getDataSections(), getEntrySizeForKind(), getFunctionEntryPointSymbol(), llvm::TargetMachine::getFunctionSections(), llvm::TargetLoweringObjectFile::getNameWithPrefix(), llvm::GlobalValue::getParent(), llvm::DataLayout::getPreferredAlign(), llvm::SectionKind::getReadOnly(), llvm::MCContext::getXCOFFSection(), llvm::GlobalValue::hasCommonLinkage(), Name, llvm::MCObjectFileInfo::ReadOnlySection, llvm::report_fatal_error(), llvm::MCObjectFileInfo::TextSection, llvm::MCObjectFileInfo::TLSDataSection, llvm::TargetLoweringObjectFile::TM, llvm::Align::value(), llvm::XCOFF::XMC_BS, llvm::XCOFF::XMC_RO, llvm::XCOFF::XMC_RW, llvm::XCOFF::XMC_TD, llvm::XCOFF::XMC_TL, llvm::XCOFF::XMC_UL, llvm::XCOFF::XTY_CM, and llvm::XCOFF::XTY_SD.

◆ ShouldEmitEHBlock()

bool TargetLoweringObjectFileXCOFF::ShouldEmitEHBlock ( const MachineFunction *  MF)
static

Definition at line 2256 of file TargetLoweringObjectFileImpl.cpp.

References assert(), llvm::classifyEHPersonality(), F, llvm::MachineFunction::getFunction(), llvm::MachineFunction::getLandingPads(), and llvm::isNoOpWithoutInvoke().

Referenced by llvm::AIXException::endFunction().

◆ shouldPutJumpTableInFunctionSection()

bool TargetLoweringObjectFileXCOFF::shouldPutJumpTableInFunctionSection ( bool  UsesLabelDifference,
const Function &  F 
) const
overridevirtual

Reimplemented from llvm::TargetLoweringObjectFile.

Definition at line 2494 of file TargetLoweringObjectFileImpl.cpp.

◆ ShouldSetSSPCanaryBitInTB()

bool TargetLoweringObjectFileXCOFF::ShouldSetSSPCanaryBitInTB ( const MachineFunction *  MF)
static

Definition at line 2274 of file TargetLoweringObjectFileImpl.cpp.

References F, and llvm::MachineFunction::getFunction().

The documentation for this class was generated from the following files:
Generated on Tue Mar 21 2023 04:25:42 for LLVM by doxygen 1.9.6