llvm::X86_MC Namespace Reference

Classes
class	X86MCInstrAnalysis

Functions
static std::vector< std::pair< uint64_t, uint64_t > >	findX86PltEntries (uint64_t PltSectionVA, ArrayRef< uint8_t > PltContents)
static std::vector< std::pair< uint64_t, uint64_t > >	findX86_64PltEntries (uint64_t PltSectionVA, ArrayRef< uint8_t > PltContents)
std::string	ParseX86Triple (const Triple &TT)
unsigned	getDwarfRegFlavour (const Triple &TT, bool isEH)
void	initLLVMToSEHAndCVRegMapping (MCRegisterInfo *MRI)
bool	hasLockPrefix (const MCInst &MI)
	Returns true if this instruction has a LOCK prefix.
bool	is16BitMemOperand (const MCInst &MI, unsigned Op, const MCSubtargetInfo &STI)
bool	is32BitMemOperand (const MCInst &MI, unsigned Op)
bool	is64BitMemOperand (const MCInst &MI, unsigned Op)
bool	needsAddressSizeOverride (const MCInst &MI, const MCSubtargetInfo &STI, int MemoryOperand, uint64_t TSFlags)
	Returns true if this instruction needs an Address-Size override prefix.
MCSubtargetInfo *	createX86MCSubtargetInfo (const Triple &TT, StringRef CPU, StringRef FS)
	Create a X86 MCSubtargetInfo instance.
void	emitInstruction (MCObjectStreamer &, const MCInst &Inst, const MCSubtargetInfo &STI)
void	emitPrefix (MCCodeEmitter &MCE, const MCInst &MI, SmallVectorImpl< char > &CB, const MCSubtargetInfo &STI)

Function Documentation

createX86MCSubtargetInfo()

MCSubtargetInfo * llvm::X86_MC::createX86MCSubtargetInfo	(	const Triple &	TT,
		StringRef	CPU,
		StringRef	FS )

Create a X86 MCSubtargetInfo instance.

This is exposed so Asm parser, etc. do not need to go through TargetRegistry.

Definition at line 463 of file X86MCTargetDesc.cpp.

References assert(), and ParseX86Triple().

Referenced by LLVMInitializeX86TargetMC().

emitInstruction()

void llvm::X86_MC::emitInstruction	(	MCObjectStreamer &	S,
		const MCInst &	Inst,
		const MCSubtargetInfo &	STI )

Definition at line 425 of file X86AsmBackend.cpp.

References llvm::MCStreamer::getAllowAutoPadding(), llvm::MCObjectStreamer::getAssembler(), llvm::MCStreamer::getLFIRewriter(), LLVM_LIKELY, and llvm::MCLFIRewriter::rewriteInst().

emitPrefix()

void llvm::X86_MC::emitPrefix	(	MCCodeEmitter &	MCE,
		const MCInst &	MI,
		SmallVectorImpl< char > &	CB,
		const MCSubtargetInfo &	STI )

Definition at line 1506 of file X86MCCodeEmitter.cpp.

References emitPrefix(), and MI.

Referenced by emitPrefix().

findX86_64PltEntries()

std::vector< std::pair< uint64_t, uint64_t > > llvm::X86_MC::findX86_64PltEntries ( uint64_t PltSectionVA, ArrayRef< uint8_t > PltContents )

static

Definition at line 701 of file X86MCTargetDesc.cpp.

References llvm::ArrayRef< T >::data(), Imm, llvm::support::endian::read32le(), and llvm::ArrayRef< T >::size().

Referenced by llvm::X86_MC::X86MCInstrAnalysis::findPltEntries().

findX86PltEntries()

std::vector< std::pair< uint64_t, uint64_t > > llvm::X86_MC::findX86PltEntries ( uint64_t PltSectionVA, ArrayRef< uint8_t > PltContents )

static

Definition at line 674 of file X86MCTargetDesc.cpp.

References llvm::ArrayRef< T >::data(), Imm, llvm::support::endian::read32le(), llvm::ArrayRef< T >::size(), and uint64_t.

Referenced by llvm::X86_MC::X86MCInstrAnalysis::findPltEntries().

getDwarfRegFlavour()

unsigned llvm::X86_MC::getDwarfRegFlavour	(	const Triple &	TT,
		bool	isEH )

Definition at line 70 of file X86MCTargetDesc.cpp.

References llvm::DWARFFlavour::X86_32_DarwinEH, llvm::DWARFFlavour::X86_32_Generic, and llvm::DWARFFlavour::X86_64.

Referenced by createX86MCRegisterInfo().

hasLockPrefix()

bool llvm::X86_MC::hasLockPrefix

(

const MCInst &

MI

)

Returns true if this instruction has a LOCK prefix.

Definition at line 82 of file X86MCTargetDesc.cpp.

References llvm::X86::IP_HAS_LOCK, and MI.

initLLVMToSEHAndCVRegMapping()

void llvm::X86_MC::initLLVMToSEHAndCVRegMapping

(

MCRegisterInfo *

MRI

)

Definition at line 177 of file X86MCTargetDesc.cpp.

References llvm::MCRegisterInfo::getEncodingValue(), I, llvm::MCRegisterInfo::mapLLVMRegToCVReg(), and llvm::MCRegisterInfo::mapLLVMRegToSEHReg().

Referenced by createX86MCRegisterInfo(), and llvm::X86RegisterInfo::X86RegisterInfo().

is16BitMemOperand()

bool llvm::X86_MC::is16BitMemOperand	(	const MCInst &	MI,
		unsigned	Op,
		const MCSubtargetInfo &	STI )

Parameters

Op	operand # of the memory operand.

Returns

true if the specified instruction has a 16-bit memory operand.

Definition at line 95 of file X86MCTargetDesc.cpp.

References llvm::X86::AddrBaseReg, llvm::X86::AddrIndexReg, llvm::sampleprof::Base, llvm::MCSubtargetInfo::hasFeature(), isMemOperand(), and MI.

Referenced by needsAddressSizeOverride().

is32BitMemOperand()

bool llvm::X86_MC::is32BitMemOperand	(	const MCInst &	MI,
		unsigned	Op )

Parameters

Op	operand # of the memory operand.

Returns

true if the specified instruction has a 32-bit memory operand.

Definition at line 106 of file X86MCTargetDesc.cpp.

References llvm::X86::AddrBaseReg, llvm::X86::AddrIndexReg, assert(), llvm::sampleprof::Base, isMemOperand(), and MI.

Referenced by needsAddressSizeOverride().

is64BitMemOperand()

bool llvm::X86_MC::is64BitMemOperand	(	const MCInst &	MI,
		unsigned	Op )

Parameters

Op	operand # of the memory operand.

Returns

true if the specified instruction has a 64-bit memory operand.

Definition at line 119 of file X86MCTargetDesc.cpp.

References isMemOperand(), and MI.

Referenced by needsAddressSizeOverride().

needsAddressSizeOverride()

bool llvm::X86_MC::needsAddressSizeOverride	(	const MCInst &	MI,
		const MCSubtargetInfo &	STI,
		int	MemoryOperand,
		uint64_t	TSFlags )

Returns true if this instruction needs an Address-Size override prefix.

Definition at line 124 of file X86MCTargetDesc.cpp.

References llvm::X86II::AdSize16, llvm::X86II::AdSize32, llvm::X86II::AdSizeMask, assert(), llvm::X86II::FormMask, llvm::MCSubtargetInfo::hasFeature(), is16BitMemOperand(), is32BitMemOperand(), is64BitMemOperand(), MI, llvm::X86II::RawFrmDst, llvm::X86II::RawFrmDstSrc, and llvm::X86II::RawFrmSrc.

Referenced by llvm::X86InstPrinterCommon::printInstFlags().

ParseX86Triple()

std::string llvm::X86_MC::ParseX86Triple

(

const Triple &

TT

)

Definition at line 53 of file X86MCTargetDesc.cpp.

References llvm::Triple::CODE16.

Referenced by createX86MCSubtargetInfo().