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

Inheritance diagram for llvm::MipsAsmBackend:

Collaboration 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 MCAssembler &Asm, const MCFixup &Fixup, const MCValue &Target, MutableArrayRef< char > Data, uint64_t Value, bool IsResolved, const MCSubtargetInfo *STI) const 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. More...

Optional< MCFixupKind >	getFixupKind (StringRef Name) const override
	Map a relocation name used in .reloc to a fixup kind. More...

const MCFixupKindInfo &	getFixupKindInfo (MCFixupKind Kind) const override
	Get information on a fixup kind. More...

unsigned	getNumFixupKinds () const override
	Get the number of target specific fixup kinds. More...

bool	writeNopData (raw_ostream &OS, uint64_t Count) const override
	WriteNopData - Write an (optimal) nop sequence of Count bytes to the given output. More...

bool	shouldForceRelocation (const MCAssembler &Asm, const MCFixup &Fixup, const MCValue &Target) override
	Hook to check if a relocation is needed for some target specific reason. More...

bool	isMicroMips (const MCSymbol *Sym) const override
	Check whether a given symbol has been flagged with MICROMIPS flag. More...

Target Relaxation Interfaces
bool	mayNeedRelaxation (const MCInst &Inst, const MCSubtargetInfo &STI) const override
	MayNeedRelaxation - Check whether the given instruction may need relaxation. More...

bool	fixupNeedsRelaxation (const MCFixup &Fixup, uint64_t Value, const MCRelaxableFragment *DF, const MCAsmLayout &Layout) const override
	fixupNeedsRelaxation - Target specific predicate for whether a given fixup requires the associated instruction to be relaxed. More...

void	relaxInstruction (const MCInst &Inst, const MCSubtargetInfo &STI, MCInst &Res) const override
	RelaxInstruction - Relax the instruction in the given fragment to the next wider instruction. More...

Public Member Functions inherited from llvm::MCAsmBackend
	MCAsmBackend (const MCAsmBackend &)=delete

MCAsmBackend &	operator= (const MCAsmBackend &)=delete

virtual	~MCAsmBackend ()

virtual void	reset ()
	lifetime management More...

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. More...

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. More...

virtual unsigned	getMinimumNopSize () const
	Returns the minimum size of a nop in bytes on this target. More...

virtual void	finishLayout (MCAssembler const &Asm, MCAsmLayout &Layout) const
	Give backend an opportunity to finish layout after relaxation. More...

virtual void	handleAssemblerFlag (MCAssemblerFlag Flag)
	Handle any target-specific assembler flags. By default, do nothing. More...

virtual uint32_t	generateCompactUnwindEncoding (ArrayRef< MCCFIInstruction >) const
	Generate the compact unwind encoding for the CFI instructions. More...

void	handleCodePaddingBasicBlockStart (MCObjectStreamer *OS, const MCCodePaddingContext &Context)
	Handles all target related code padding when starting to write a new basic block to an object file. More...

void	handleCodePaddingBasicBlockEnd (const MCCodePaddingContext &Context)
	Handles all target related code padding after writing a block to an object file. More...

void	handleCodePaddingInstructionBegin (const MCInst &Inst)
	Handles all target related code padding before writing a new instruction to an object file. More...

void	handleCodePaddingInstructionEnd (const MCInst &Inst)
	Handles all target related code padding after writing an instruction to an object file. More...

bool	relaxFragment (MCPaddingFragment *PF, MCAsmLayout &Layout)
	Relaxes a fragment (changes the size of the padding) according to target requirements. More...

virtual bool	requiresDiffExpressionRelocations () const
	Check whether the given target requires emitting differences of two symbols as a set of relocations. More...

virtual bool	fixupNeedsRelaxationAdvanced (const MCFixup &Fixup, bool Resolved, uint64_t Value, const MCRelaxableFragment *DF, const MCAsmLayout &Layout, const bool WasForced) const
	Target specific predicate for whether a given fixup requires the associated instruction to be relaxed. More...

Additional Inherited Members
Public Attributes inherited from llvm::MCAsmBackend
const support::endianness	Endian

Protected Member Functions inherited from llvm::MCAsmBackend
	MCAsmBackend (support::endianness Endian)

Detailed Description

Definition at line 31 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 36 of file MipsAsmBackend.h.

References applyFixup(), llvm::HexStyle::Asm, createObjectTargetWriter(), llvm::Data, Fixup, getFixupKind(), getFixupKindInfo(), Kind, and Name.

Referenced by llvm::createMipsAsmBackend().

Member Function Documentation

◆ applyFixup()

void MipsAsmBackend::applyFixup	(	const MCAssembler &	Asm,
		const MCFixup &	Fixup,
		const MCValue &	Target,
		MutableArrayRef< char >	Data,
		uint64_t	Value,
		bool	IsResolved,
		const MCSubtargetInfo *	STI
	)		const

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 244 of file MipsAsmBackend.cpp.

References adjustFixupValue(), calculateMMLEIndex(), llvm::MCAsmBackend::Endian, 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::MCAssembler::getContext(), getFixupKindInfo(), llvm::MCFixup::getKind(), llvm::MCFixup::getOffset(), Kind, llvm::support::little, llvm::BitmaskEnumDetail::Mask(), needsMMLEByteOrder(), and llvm::MCFixupKindInfo::TargetSize.

Referenced by MipsAsmBackend().

◆ createObjectTargetWriter()

std::unique_ptr< MCObjectTargetWriter > MipsAsmBackend::createObjectTargetWriter ( ) const

overridevirtual

Implements llvm::MCAsmBackend.

Definition at line 220 of file MipsAsmBackend.cpp.

References llvm::createMipsELFObjectWriter().

Referenced by MipsAsmBackend().

◆ fixupNeedsRelaxation()

bool llvm::MipsAsmBackend::fixupNeedsRelaxation	(	const MCFixup &	Fixup,
		uint64_t	Value,
		const MCRelaxableFragment *	DF,
		const MCAsmLayout &	Layout
	)		const