TargetLoweringObjectFile.h Source File (original) (raw)

14#ifndef LLVM_TARGET_TARGETLOWERINGOBJECTFILE_H

15#define LLVM_TARGET_TARGETLOWERINGOBJECTFILE_H

20#include

22namespace llvm {

51protected:

72public:

94 void emitCGProfileMetadata(MCStreamer &Streamer, Module &M) const;

97 void emitPseudoProbeDescMetadata(MCStreamer &Streamer, Module &M,

98 std::function<void(MCStreamer &Streamer)>

99 COMDATSymEmitter = nullptr) const;

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111 Align &Alignment) const;

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121 getSectionForMachineBasicBlock(const Function &F,

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126 getUniqueSectionForFunction(const Function &F,

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199 const MCSymbol *KeySym) const {

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204 const MCSymbol *KeySym) const {

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210 virtual const MCExpr *getDebugThreadLocalSymbol(const MCSymbol *Sym) const;

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214 std::optional<int64_t> PCRelativeOffset, const TargetMachine &TM) const {

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224 std::optional<int64_t> PCRelativeOffset, const TargetMachine &TM) const {

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312};

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314}

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316#endif

MachineBasicBlock MachineBasicBlock::iterator DebugLoc DL

This is an important base class in LLVM.

Wrapper for a function that represents a value that functionally represents the original function.

A parsed version of the target data layout string in and methods for querying it.

Context object for machine code objects.

Base class for the full range of assembler expressions which are needed for parsing.

MCSection * LSDASection

If exception handling is supported by the target, this is the section the Language Specific Data Area...

Wrapper class representing physical registers. Should be passed by value.

static constexpr unsigned NoRegister

Instances of this class represent a uniqued identifier for a section in the current translation unit.

Streaming machine code generation interface.

Represent a reference to a symbol from inside an expression.

MCSymbol - Instances of this class represent a symbol name in the MC file, and MCSymbols are created ...

This class contains meta information specific to a module.

A Module instance is used to store all the information related to an LLVM module.

SectionKind - This is a simple POD value that classifies the properties of a section.

This class consists of common code factored out of the SmallVector class to reduce code duplication b...

StringRef - Represent a constant reference to a string, i.e.

MCSection * StaticDtorSection

This section contains the static destructor pointer list.

Definition TargetLoweringObjectFile.h:68

virtual const MCExpr * lowerDSOLocalEquivalent(const MCSymbol *LHS, const MCSymbol *RHS, int64_t Addend, std::optional< int64_t > PCRelativeOffset, const TargetMachine &TM) const

Definition TargetLoweringObjectFile.h:222

virtual MCRegister getStaticBase() const

Returns the register used as static base in RWPI variants.

Definition TargetLoweringObjectFile.h:246

virtual MCSection * getSectionForCommandLines() const

If supported, return the section to use for the llvm.commandline metadata.

Definition TargetLoweringObjectFile.h:265

unsigned PersonalityEncoding

PersonalityEncoding, LSDAEncoding, TTypeEncoding - Some encoding values for EH.

Definition TargetLoweringObjectFile.h:59

bool SupportGOTPCRelWithOffset

Definition TargetLoweringObjectFile.h:53

Mangler & getMangler() const

Definition TargetLoweringObjectFile.h:79

bool SupportIndirectSymViaGOTPCRel

Definition TargetLoweringObjectFile.h:52

virtual MCSection * getStaticDtorSection(unsigned Priority, const MCSymbol *KeySym) const

Definition TargetLoweringObjectFile.h:203

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.

Definition TargetLoweringObjectFile.h:254

bool SupportDebugThreadLocalLocation

Definition TargetLoweringObjectFile.h:54

TargetLoweringObjectFile & operator=(const TargetLoweringObjectFile &)=delete

virtual void emitModuleMetadata(MCStreamer &Streamer, Module &M) const

Emit the module-level metadata that the platform cares about.

Definition TargetLoweringObjectFile.h:91

const TargetMachine * TM

Definition TargetLoweringObjectFile.h:70

unsigned getLSDAEncoding() const

Definition TargetLoweringObjectFile.h:191

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 ext...

Definition TargetLoweringObjectFile.h:288

virtual MCSymbol * getCFIPersonalitySymbol(const GlobalValue *GV, const TargetMachine &TM, MachineModuleInfo *MMI) const

unsigned LSDAEncoding

Definition TargetLoweringObjectFile.h:60

bool hasPLTPCRelative() const

Target supports a PC-relative relocation that references the PLT of a function.

Definition TargetLoweringObjectFile.h:220

unsigned getTTypeEncoding() const

Definition TargetLoweringObjectFile.h:192

virtual void getModuleMetadata(Module &M)

Get the module-level metadata that the platform cares about.

Definition TargetLoweringObjectFile.h:105

unsigned getPersonalityEncoding() const

Definition TargetLoweringObjectFile.h:190

bool supportDebugThreadLocalLocation() const

Target supports TLS offset relocation in debug section?

Definition TargetLoweringObjectFile.h:241

MCSection * StaticCtorSection

This section contains the static constructor pointer list.

Definition TargetLoweringObjectFile.h:65

virtual MCSection * SelectSectionForGlobal(const GlobalObject *GO, SectionKind Kind, const TargetMachine &TM) const =0

virtual const MCExpr * getIndirectSymViaRWPI(const MCSymbol *Sym) const

Get the target specific RWPI relocation.

Definition TargetLoweringObjectFile.h:249

virtual const MCExpr * lowerRelativeReference(const GlobalValue *LHS, const GlobalValue *RHS, int64_t Addend, std::optional< int64_t > PCRelativeOffset, const TargetMachine &TM) const

Definition TargetLoweringObjectFile.h:212

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 suffi...

virtual MCSection * getStaticCtorSection(unsigned Priority, const MCSymbol *KeySym) const

Definition TargetLoweringObjectFile.h:198

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.

Definition TargetLoweringObjectFile.h:280

bool supportGOTPCRelWithOffset() const

Target GOT "PC"-relative relocation supports encoding an additional binary expression with an offset?

Definition TargetLoweringObjectFile.h:236

uint32_t PLTPCRelativeSpecifier

Definition TargetLoweringObjectFile.h:55

virtual MCSection * getSectionForLSDA(const Function &, const MCSymbol &, const TargetMachine &) const

Definition TargetLoweringObjectFile.h:156

bool supportIndirectSymViaGOTPCRel() const

Target supports replacing a data "PC"-relative access to a symbol through another symbol,...

Definition TargetLoweringObjectFile.h:230

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 info...

unsigned TTypeEncoding

Definition TargetLoweringObjectFile.h:61

unsigned CallSiteEncoding

Definition TargetLoweringObjectFile.h:62

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...

TargetLoweringObjectFile()=default

virtual MCSymbol * getFunctionEntryPointSymbol(const GlobalValue *Func, const TargetMachine &TM) const

If supported, return the function entry point symbol.

Definition TargetLoweringObjectFile.h:303

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 i...

Definition TargetLoweringObjectFile.h:272

virtual void emitLinkerDirectives(MCStreamer &Streamer, Module &M) const

Process linker options metadata and emit platform-specific bits.

Definition TargetLoweringObjectFile.h:102

TargetLoweringObjectFile(const TargetLoweringObjectFile &)=delete

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 ...

Definition TargetLoweringObjectFile.h:295

Primary interface to the complete machine description for the target machine.

@ C

The default llvm calling convention, compatible with C.

This is an optimization pass for GlobalISel generic memory operations.

This struct is a compact representation of a valid (non-zero power of two) alignment.

MachineJumpTableEntry - One jump table in the jump table info.