llvm::MipsAsmBackend Class Reference

#include <MipsAsmBackend.h>

Inheritance diagram for llvm::MipsAsmBackend:

Collaboration diagram for llvm::MipsAsmBackend:

List of all members.

Public Member Functions
	MipsAsmBackend (const Target &T, Triple::OSType _OSType, bool _isLittle, bool _is64Bit)
MCObjectWriter *	createObjectWriter (raw_ostream &OS) const override
void	applyFixup (const MCFixup &Fixup, char *Data, unsigned DataSize, uint64_t Value, bool IsPCRel) const override
const MCFixupKindInfo &	getFixupKindInfo (MCFixupKind Kind) const override
	getFixupKindInfo - Get information on a fixup kind.
unsigned	getNumFixupKinds () const override
	getNumFixupKinds - Get the number of target specific fixup kinds.
bool	writeNopData (uint64_t Count, MCObjectWriter *OW) const override
void	processFixupValue (const MCAssembler &Asm, const MCAsmLayout &Layout, const MCFixup &Fixup, const MCFragment *DF, const MCValue &Target, uint64_t &Value, bool &IsResolved) override
Target Relaxation Interfaces
bool	mayNeedRelaxation (const MCInst &Inst) const override
bool	fixupNeedsRelaxation (const MCFixup &Fixup, uint64_t Value, const MCRelaxableFragment *DF, const MCAsmLayout &Layout) const override
void	relaxInstruction (const MCInst &Inst, MCInst &Res) const override

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Detailed Description

Definition at line 29 of file MipsAsmBackend.h.

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Constructor & Destructor Documentation

llvm::MipsAsmBackend::MipsAsmBackend	(	const Target &	T,
		Triple::OSType	_OSType,
		bool	_isLittle,
		bool	_is64Bit
	)		[inline]

Definition at line 35 of file MipsAsmBackend.h.

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Member Function Documentation

void MipsAsmBackend::applyFixup	(	const MCFixup &	Fixup,
		char *	Data,
		unsigned	DataSize,
		uint64_t	Value,
		bool	IsPCRel
	)		const [override, virtual]

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 166 of file MipsAsmBackend.cpp.

References adjustFixupValue(), calculateMMLEIndex(), llvm::Mips::fixup_Mips_16, llvm::Mips::fixup_Mips_64, llvm::FK_Data_2, llvm::FK_Data_4, llvm::FK_Data_8, getFixupKindInfo(), llvm::MCFixup::getKind(), llvm::MCFixup::getOffset(), needsMMLEByteOrder(), and llvm::MCFixupKindInfo::TargetSize.

MCObjectWriter * MipsAsmBackend::createObjectWriter

(

raw_ostream &

OS

)

const [override, virtual]

createObjectWriter - Create a new MCObjectWriter instance for use by the assembler backend to emit the final object file.

Implements llvm::MCAsmBackend.

Definition at line 142 of file MipsAsmBackend.cpp.

References llvm::createMipsELFObjectWriter(), and llvm::MCELFObjectTargetWriter::getOSABI().

bool llvm::MipsAsmBackend::fixupNeedsRelaxation	(	const MCFixup &	Fixup,
		uint64_t	Value,
		const MCRelaxableFragment *	DF,
		const MCAsmLayout &	Layout
	)		const [inline, override, virtual]

fixupNeedsRelaxation - Target specific predicate for whether a given fixup requires the associated instruction to be relaxed.

Implements llvm::MCAsmBackend.

Definition at line 64 of file MipsAsmBackend.h.

References llvm_unreachable.

const MCFixupKindInfo & MipsAsmBackend::getFixupKindInfo

(

MCFixupKind

Kind

)

const [override, virtual]

getFixupKindInfo - Get information on a fixup kind.

Reimplemented from llvm::MCAsmBackend.

Definition at line 223 of file MipsAsmBackend.cpp.

References llvm::FirstTargetFixupKind, llvm::MCFixupKindInfo::FKF_IsPCRel, getNumFixupKinds(), and llvm::AArch64::NumTargetFixupKinds.

Referenced by applyFixup().

unsigned llvm::MipsAsmBackend::getNumFixupKinds

(

)

const [inline, override, virtual]

getNumFixupKinds - Get the number of target specific fixup kinds.

Implements llvm::MCAsmBackend.

Definition at line 47 of file MipsAsmBackend.h.

References llvm::AArch64::NumTargetFixupKinds.

Referenced by getFixupKindInfo().

bool llvm::MipsAsmBackend::mayNeedRelaxation

(

const MCInst &

Inst

)

const [inline, override, virtual]

MayNeedRelaxation - Check whether the given instruction may need relaxation.

Parameters:

Inst	- The instruction to test.

Implements llvm::MCAsmBackend.

Definition at line 58 of file MipsAsmBackend.h.

void MipsAsmBackend::processFixupValue	(	const MCAssembler &	Asm,
		const MCAsmLayout &	Layout,
		const MCFixup &	Fixup,
		const MCFragment *	DF,
		const MCValue &	Target,
		uint64_t &	Value,
		bool &	IsResolved
	)		[override, virtual]

processFixupValue - Target hook to process the literal value of a fixup if necessary.

Reimplemented from llvm::MCAsmBackend.

Definition at line 380 of file MipsAsmBackend.cpp.

References adjustFixupValue(), and llvm::MCAssembler::getContext().

void llvm::MipsAsmBackend::relaxInstruction	(	const MCInst &	Inst,
		MCInst &	Res
	)		const [inline, override, virtual]

RelaxInstruction - Relax the instruction in the given fragment to the next wider instruction.

Parameters:

	Inst	- The instruction to relax, which may be the same as the output.
[out]	Res	On return, the relaxed instruction.

Implements llvm::MCAsmBackend.

Definition at line 78 of file MipsAsmBackend.h.

bool MipsAsmBackend::writeNopData	(	uint64_t	Count,
		MCObjectWriter *	OW
	)		const [override, virtual]

WriteNopData - Write an (optimal) nop sequence of Count bytes to the given output. If the target cannot generate such a sequence, it should return an error.

Returns:

- True on success.

Implements llvm::MCAsmBackend.

Definition at line 366 of file MipsAsmBackend.cpp.

References llvm::MCObjectWriter::Write32().

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

• MipsAsmBackend.h
• MipsAsmBackend.cpp