#include "Target/Mips/MCTargetDesc/MipsAsmBackend.h"

Inheritance diagram for llvm::MipsAsmBackend:

Public Member Functions
	MipsAsmBackend (const Target &T, const MCRegisterInfo &MRI, const Triple &TT, StringRef CPU, bool N32)
std::unique_ptr< MCObjectTargetWriter >	createObjectTargetWriter () const override
void	applyFixup (const MCFragment &, const MCFixup &, const MCValue &Target, uint8_t *Data, uint64_t Value, bool IsResolved) override
	ApplyFixup - Apply the `Value` for given `Fixup` into the provided data fragment, at the offset specified by the fixup and following the fixup kind as appropriate.
std::optional< MCFixupKind >	getFixupKind (StringRef Name) const override
	Map a relocation name used in .reloc to a fixup kind.
MCFixupKindInfo	getFixupKindInfo (MCFixupKind Kind) const override
	Get information on a fixup kind.
bool	writeNopData (raw_ostream &OS, uint64_t Count, const MCSubtargetInfo *STI) const override
	WriteNopData - Write an (optimal) nop sequence of Count bytes to the given output.
Public Member Functions inherited from llvm::MCAsmBackend
	MCAsmBackend (const MCAsmBackend &)=delete
MCAsmBackend &	operator= (const MCAsmBackend &)=delete
virtual	~MCAsmBackend ()
void	setAssembler (MCAssembler *A)
MCContext &	getContext () const
bool	allowAutoPadding () const
	Return true if this target might automatically pad instructions and thus need to emit padding enable/disable directives around sensative code.
bool	allowEnhancedRelaxation () const
	Return true if this target allows an unrelaxable instruction to be emitted into RelaxableFragment and then we can increase its size in a tricky way for optimization.
virtual void	reset ()
	lifetime management
std::unique_ptr< MCObjectWriter >	createObjectWriter (raw_pwrite_stream &OS) const
	Create a new MCObjectWriter instance for use by the assembler backend to emit the final object file.
std::unique_ptr< MCObjectWriter >	createDwoObjectWriter (raw_pwrite_stream &OS, raw_pwrite_stream &DwoOS) const
	Create an MCObjectWriter that writes two object files: a .o file which is linked into the final program and a .dwo file which is used by debuggers.
virtual unsigned	getMinimumNopSize () const
	Returns the minimum size of a nop in bytes on this target.
virtual unsigned	getMaximumNopSize (const MCSubtargetInfo &STI) const
	Returns the maximum size of a nop in bytes on this target.
virtual bool	finishLayout (const MCAssembler &Asm) const
virtual uint64_t	generateCompactUnwindEncoding (const MCDwarfFrameInfo FI, const MCContext Ctxt) const
	Generate the compact unwind encoding for the CFI instructions.
bool	isDarwinCanonicalPersonality (const MCSymbol *Sym) const
virtual std::optional< bool >	evaluateFixup (const MCFragment &, MCFixup &, MCValue &, uint64_t &)
void	maybeAddReloc (const MCFragment &, const MCFixup &, const MCValue &, uint64_t &Value, bool IsResolved)
virtual bool	mayNeedRelaxation (unsigned Opcode, ArrayRef< MCOperand > Operands, const MCSubtargetInfo &STI) const
	Check whether the given instruction (encoded as Opcode+Operands) may need relaxation.
virtual bool	fixupNeedsRelaxationAdvanced (const MCFragment &, const MCFixup &, const MCValue &, uint64_t, bool Resolved) const
	Target specific predicate for whether a given fixup requires the associated instruction to be relaxed.
virtual bool	fixupNeedsRelaxation (const MCFixup &Fixup, uint64_t Value) const
	Simple predicate for targets where !Resolved implies requiring relaxation.
virtual void	relaxInstruction (MCInst &Inst, const MCSubtargetInfo &STI) const
	Relax the instruction in the given fragment to the next wider instruction.
virtual bool	relaxAlign (MCFragment &F, unsigned &Size)
virtual bool	relaxDwarfLineAddr (MCFragment &) const
virtual bool	relaxDwarfCFA (MCFragment &) const
virtual bool	relaxSFrameCFA (MCFragment &) const
virtual std::pair< bool, bool >	relaxLEB128 (MCFragment &, int64_t &Value) const

Additional Inherited Members
Static Public Member Functions inherited from llvm::MCAsmBackend
static const MCSubtargetInfo *	getSubtargetInfo (const MCFragment &F)
Public Attributes inherited from llvm::MCAsmBackend
const llvm::endianness	Endian
Protected Member Functions inherited from llvm::MCAsmBackend
	MCAsmBackend (llvm::endianness Endian)
Protected Attributes inherited from llvm::MCAsmBackend
MCAssembler *	Asm = nullptr
bool	AllowAutoPadding = false
bool	AllowEnhancedRelaxation = false

Detailed Description

Definition at line 28 of file MipsAsmBackend.h.

Constructor & Destructor Documentation

◆ MipsAsmBackend()

llvm::MipsAsmBackend::MipsAsmBackend	(	const Target &	T,
		const MCRegisterInfo &	MRI,
		const Triple &	TT,
		StringRef	CPU,
		bool	N32 )

inline

Definition at line 33 of file MipsAsmBackend.h.

References llvm::big, llvm::little, llvm::MCAsmBackend::MCAsmBackend(), MRI, and T.

Member Function Documentation

◆ applyFixup()

void MipsAsmBackend::applyFixup	(	const MCFragment &	F,
		const MCFixup &	Fixup,
		const MCValue &	Target,
		uint8_t *	Data,
		uint64_t	Value,
		bool	IsResolved )

overridevirtual

ApplyFixup - Apply the Value for given Fixup into the provided data fragment, at the offset specified by the fixup and following the fixup kind as appropriate.

Implements llvm::MCAsmBackend.

Definition at line 285 of file MipsAsmBackend.cpp.

References adjustFixupValue(), calculateMMLEIndex(), llvm::Data, llvm::MCAsmBackend::Endian, F, Fixup, llvm::Mips::fixup_MICROMIPS_PC10_S1, llvm::Mips::fixup_Mips_16, llvm::Mips::fixup_Mips_64, llvm::FK_Data_2, llvm::FK_Data_4, llvm::FK_Data_8, llvm::MCAsmBackend::getContext(), getFixupKindInfo(), llvm::little, llvm::MCAsmBackend::maybeAddReloc(), needsMMLEByteOrder(), shouldForceRelocation(), and llvm::MCFixupKindInfo::TargetSize.