This file is part of the ARC Disassembler. More...

#include "ARC.h"
#include "ARCRegisterInfo.h"
#include "MCTargetDesc/ARCMCTargetDesc.h"
#include "TargetInfo/ARCTargetInfo.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCDecoder.h"
#include "llvm/MC/MCDecoderOps.h"
#include "llvm/MC/MCDisassembler/MCDisassembler.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/MC/TargetRegistry.h"
#include "ARCGenDisassemblerTables.inc"

Macros
#define	DEBUG_TYPE "arc-disassembler"

Functions
static bool	readInstruction32 (ArrayRef< uint8_t > Bytes, uint64_t Address, uint64_t &Size, uint32_t &Insn)
static bool	readInstruction64 (ArrayRef< uint8_t > Bytes, uint64_t Address, uint64_t &Size, uint64_t &Insn)
static bool	readInstruction48 (ArrayRef< uint8_t > Bytes, uint64_t Address, uint64_t &Size, uint64_t &Insn)
static bool	readInstruction16 (ArrayRef< uint8_t > Bytes, uint64_t Address, uint64_t &Size, uint32_t &Insn)
template<unsigned B>
static DecodeStatus	DecodeSignedOperand (MCInst &Inst, unsigned InsnS, uint64_t Address=0, const MCDisassembler *Decoder=nullptr)
template<unsigned B>
static DecodeStatus	DecodeFromCyclicRange (MCInst &Inst, unsigned InsnS, uint64_t Address=0, const MCDisassembler *Decoder=nullptr)
template<unsigned B>
static DecodeStatus	DecodeBranchTargetS (MCInst &Inst, unsigned InsnS, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	DecodeMEMrs9 (MCInst &, unsigned, uint64_t, const MCDisassembler *)
static DecodeStatus	DecodeLdLImmInstruction (MCInst &, uint64_t, uint64_t, const MCDisassembler *)
static DecodeStatus	DecodeStLImmInstruction (MCInst &, uint64_t, uint64_t, const MCDisassembler *)
static DecodeStatus	DecodeLdRLImmInstruction (MCInst &, uint64_t, uint64_t, const MCDisassembler *)
static DecodeStatus	DecodeSOPwithRS12 (MCInst &, uint64_t, uint64_t, const MCDisassembler *)
static DecodeStatus	DecodeSOPwithRU6 (MCInst &, uint64_t, uint64_t, const MCDisassembler *)
static DecodeStatus	DecodeCCRU6Instruction (MCInst &, uint64_t, uint64_t, const MCDisassembler *)
static DecodeStatus	DecodeMoveHRegInstruction (MCInst &Inst, uint64_t, uint64_t, const MCDisassembler *)
static DecodeStatus	DecodeGPR32RegisterClass (MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	DecodeGBR32ShortRegister (MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder)
static unsigned	decodeCField (unsigned Insn)
static unsigned	decodeBField (unsigned Insn)
static unsigned	decodeAField (unsigned Insn)
static bool	DecodeSymbolicOperand (MCInst &Inst, uint64_t Address, uint64_t Value, const MCDisassembler *Decoder)
static void	DecodeSymbolicOperandOff (MCInst &Inst, uint64_t Address, uint64_t Offset, const MCDisassembler *Decoder)
static MCDisassembler *	createARCDisassembler (const Target &T, const MCSubtargetInfo &STI, MCContext &Ctx)
LLVM_EXTERNAL_VISIBILITY void	LLVMInitializeARCDisassembler ()

Variables
static const uint16_t	GPR32DecoderTable []

Detailed Description

This file is part of the ARC Disassembler.

Definition in file ARCDisassembler.cpp.

Macro Definition Documentation

◆ DEBUG_TYPE

#define DEBUG_TYPE "arc-disassembler"

Definition at line 30 of file ARCDisassembler.cpp.

Function Documentation

◆ createARCDisassembler()

MCDisassembler * createARCDisassembler	(	const Target &	T,
		const MCSubtargetInfo &	STI,
		MCContext &	Ctx )

static

Definition at line 413 of file ARCDisassembler.cpp.

References T.

Referenced by LLVMInitializeARCDisassembler().

◆ decodeAField()

unsigned decodeAField ( unsigned Insn )

static

Definition at line 167 of file ARCDisassembler.cpp.

References llvm::MCD::fieldFromInstruction().

Referenced by DecodeLdLImmInstruction(), and DecodeLdRLImmInstruction().

◆ decodeBField()

unsigned decodeBField ( unsigned Insn )

static

Definition at line 162 of file ARCDisassembler.cpp.

References llvm::MCD::fieldFromInstruction().

Referenced by DecodeCCRU6Instruction(), DecodeLdLImmInstruction(), DecodeLdRLImmInstruction(), DecodeSOPwithRS12(), DecodeSOPwithRU6(), and DecodeStLImmInstruction().

◆ DecodeBranchTargetS()

template<unsigned B>

DecodeStatus DecodeBranchTargetS	(	MCInst &	Inst,
		unsigned	InsnS,
		uint64_t	Address,
		const MCDisassembler *	Decoder )

static

Definition at line 199 of file ARCDisassembler.cpp.

References B(), DecodeSymbolicOperandOff(), llvm::SignExtend32(), and llvm::MCDisassembler::Success.

◆ DecodeCCRU6Instruction()

DecodeStatus DecodeCCRU6Instruction	(	MCInst &	Inst,
		uint64_t	Insn,
		uint64_t	Address,
		const MCDisassembler *	Decoder )

static

Definition at line 309 of file ARCDisassembler.cpp.

References llvm::MCInst::addOperand(), llvm::MCOperand::createImm(), llvm::dbgs(), decodeBField(), DecodeGPR32RegisterClass(), llvm::MCD::fieldFromInstruction(), LLVM_DEBUG, and llvm::MCDisassembler::Success.

◆ decodeCField()

unsigned decodeCField ( unsigned Insn )

static

Definition at line 158 of file ARCDisassembler.cpp.

References llvm::MCD::fieldFromInstruction().

Referenced by DecodeLdRLImmInstruction(), and DecodeStLImmInstruction().

◆ DecodeFromCyclicRange()

template<unsigned B>

DecodeStatus DecodeFromCyclicRange	(	MCInst &	Inst,
		unsigned	InsnS,
		uint64_t	Address = 0,
		const MCDisassembler *	Decoder = nullptr )

static

Definition at line 220 of file ARCDisassembler.cpp.

References llvm::MCInst::addOperand(), B(), llvm::MCOperand::createImm(), llvm::max(), and llvm::MCDisassembler::Success.

◆ DecodeGBR32ShortRegister()

DecodeStatus DecodeGBR32ShortRegister	(	MCInst &	Inst,
		unsigned	RegNo,
		uint64_t	Address,
		const MCDisassembler *	Decoder )

static

Definition at line 146 of file ARCDisassembler.cpp.

References DecodeGPR32RegisterClass().

◆ DecodeGPR32RegisterClass()

DecodeStatus DecodeGPR32RegisterClass	(	MCInst &	Inst,
		unsigned	RegNo,
		uint64_t	Address,
		const MCDisassembler *	Decoder )

static

Definition at line 133 of file ARCDisassembler.cpp.

References llvm::MCInst::addOperand(), llvm::MCOperand::createReg(), llvm::dbgs(), llvm::MCDisassembler::Fail, GPR32DecoderTable, LLVM_DEBUG, Reg, and llvm::MCDisassembler::Success.

Referenced by DecodeCCRU6Instruction(), DecodeGBR32ShortRegister(), DecodeLdLImmInstruction(), DecodeLdRLImmInstruction(), DecodeMEMrs9(), DecodeMoveHRegInstruction(), DecodeSOPwithRS12(), DecodeSOPwithRU6(), and DecodeStLImmInstruction().

◆ DecodeLdLImmInstruction()

DecodeStatus DecodeLdLImmInstruction	(	MCInst &	Inst,
		uint64_t	Insn,
		uint64_t	Address,
		const MCDisassembler *	Decoder )

static

Definition at line 248 of file ARCDisassembler.cpp.

References llvm::MCInst::addOperand(), llvm::MCOperand::createImm(), llvm::dbgs(), decodeAField(), decodeBField(), DecodeGPR32RegisterClass(), llvm::MCDisassembler::Fail, LLVM_DEBUG, and llvm::MCDisassembler::Success.

◆ DecodeLdRLImmInstruction()

DecodeStatus DecodeLdRLImmInstruction	(	MCInst &	Inst,
		uint64_t	Insn,
		uint64_t	Address,
		const MCDisassembler *	Decoder )

static

Definition at line 266 of file ARCDisassembler.cpp.

References llvm::MCInst::addOperand(), llvm::MCOperand::createImm(), llvm::dbgs(), decodeAField(), decodeBField(), decodeCField(), DecodeGPR32RegisterClass(), llvm::MCDisassembler::Fail, LLVM_DEBUG, and llvm::MCDisassembler::Success.

◆ DecodeMEMrs9()

DecodeStatus DecodeMEMrs9	(	MCInst &	Inst,
		unsigned	Insn,
		uint64_t	Address,
		const MCDisassembler *	Dec )

static

Definition at line 171 of file ARCDisassembler.cpp.

References llvm::MCInst::addOperand(), llvm::MCOperand::createImm(), DecodeGPR32RegisterClass(), llvm::SignExtend32(), and llvm::MCDisassembler::Success.

◆ DecodeMoveHRegInstruction()

DecodeStatus DecodeMoveHRegInstruction	(	MCInst &	Inst,
		uint64_t	Insn,
		uint64_t	Address,
		const MCDisassembler *	Decoder )

static

Definition at line 283 of file ARCDisassembler.cpp.

References llvm::MCInst::addOperand(), llvm::MCOperand::createImm(), llvm::dbgs(), DecodeGPR32RegisterClass(), llvm::MCDisassembler::Fail, llvm::MCD::fieldFromInstruction(), G, H, LLVM_DEBUG, and llvm::MCDisassembler::Success.

◆ DecodeSignedOperand()

template<unsigned B>

DecodeStatus DecodeSignedOperand	(	MCInst &	Inst,
		unsigned	InsnS,
		uint64_t	Address = 0,
		const MCDisassembler *	Decoder = nullptr )

static

Definition at line 209 of file ARCDisassembler.cpp.

References llvm::MCInst::addOperand(), B(), llvm::MCOperand::createImm(), llvm::maskTrailingOnes(), llvm::SignExtend32(), and llvm::MCDisassembler::Success.

◆ DecodeSOPwithRS12()

DecodeStatus DecodeSOPwithRS12	(	MCInst &	Inst,
		uint64_t	Insn,
		uint64_t	Address,
		const MCDisassembler *	Decoder )

static

Definition at line 335 of file ARCDisassembler.cpp.

References llvm::MCInst::addOperand(), llvm::MCOperand::createImm(), decodeBField(), DecodeGPR32RegisterClass(), llvm::MCD::fieldFromInstruction(), llvm::Lower, llvm::MCDisassembler::Success, and llvm::Upper.

◆ DecodeSOPwithRU6()

DecodeStatus DecodeSOPwithRU6	(	MCInst &	Inst,
		uint64_t	Insn,
		uint64_t	Address,
		const MCDisassembler *	Decoder )

static

Definition at line 324 of file ARCDisassembler.cpp.

References llvm::MCInst::addOperand(), llvm::MCOperand::createImm(), decodeBField(), DecodeGPR32RegisterClass(), llvm::MCD::fieldFromInstruction(), and llvm::MCDisassembler::Success.

◆ DecodeStLImmInstruction()

DecodeStatus DecodeStLImmInstruction	(	MCInst &	Inst,
		uint64_t	Insn,
		uint64_t	Address,
		const MCDisassembler *	Decoder )

static

Definition at line 231 of file ARCDisassembler.cpp.

References llvm::MCInst::addOperand(), llvm::MCOperand::createImm(), llvm::dbgs(), decodeBField(), decodeCField(), DecodeGPR32RegisterClass(), llvm::MCDisassembler::Fail, LLVM_DEBUG, and llvm::MCDisassembler::Success.

◆ DecodeSymbolicOperand()

bool DecodeSymbolicOperand	(	MCInst &	Inst,
		uint64_t	Address,
		uint64_t	Value,
		const MCDisassembler *	Decoder )

static

Definition at line 181 of file ARCDisassembler.cpp.

References llvm::MCDisassembler::tryAddingSymbolicOperand().

Referenced by DecodeSymbolicOperandOff().

◆ DecodeSymbolicOperandOff()

void DecodeSymbolicOperandOff	(	MCInst &	Inst,
		uint64_t	Address,
		uint64_t	Offset,
		const MCDisassembler *	Decoder )

static

Definition at line 189 of file ARCDisassembler.cpp.

References llvm::MCInst::addOperand(), llvm::MCOperand::createImm(), DecodeSymbolicOperand(), and llvm::Offset.

Referenced by DecodeBranchTargetS().

◆ LLVMInitializeARCDisassembler()

LLVM_EXTERNAL_VISIBILITY void LLVMInitializeARCDisassembler ( )

Definition at line 419 of file ARCDisassembler.cpp.

References createARCDisassembler(), llvm::getTheARCTarget(), LLVM_EXTERNAL_VISIBILITY, and llvm::TargetRegistry::RegisterMCDisassembler().

◆ readInstruction16()

bool readInstruction16	(	ArrayRef< uint8_t >	Bytes,
		uint64_t	Address,
		uint64_t &	Size,
		uint32_t &	Insn )

static

Definition at line 80 of file ARCDisassembler.cpp.

References Size.

◆ readInstruction32()

bool readInstruction32	(	ArrayRef< uint8_t >	Bytes,
		uint64_t	Address,
		uint64_t &	Size,
		uint32_t &	Insn )

static

Definition at line 52 of file ARCDisassembler.cpp.

References Size.

Referenced by llvm::LanaiDisassembler::getInstruction().

◆ readInstruction48()

bool readInstruction48	(	ArrayRef< uint8_t >	Bytes,
		uint64_t	Address,
		uint64_t &	Size,
		uint64_t &	Insn )

static

Definition at line 71 of file ARCDisassembler.cpp.

References Size.

◆ readInstruction64()

bool readInstruction64	(	ArrayRef< uint8_t >	Bytes,
		uint64_t	Address,
		uint64_t &	Size,
		uint64_t &	Insn )

static

Definition at line 61 of file ARCDisassembler.cpp.

References Size.

Variable Documentation

◆ GPR32DecoderTable

const uint16_t GPR32DecoderTable[]

static

Initial value:

= {
    ARC::R0,  ARC::R1,    ARC::R2,  ARC::R3,   ARC::R4,  ARC::R5,  ARC::R6,
    ARC::R7,  ARC::R8,    ARC::R9,  ARC::R10,  ARC::R11, ARC::R12, ARC::R13,
    ARC::R14, ARC::R15,   ARC::R16, ARC::R17,  ARC::R18, ARC::R19, ARC::R20,
    ARC::R21, ARC::R22,   ARC::R23, ARC::R24,  ARC::R25, ARC::GP,  ARC::FP,
    ARC::SP,  ARC::ILINK, ARC::R30, ARC::BLINK}

Definition at line 126 of file ARCDisassembler.cpp.

Referenced by DecodeGPR32RegisterClass(), and DecodeGPR32RegisterClass().

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ DEBUG_TYPE

Function Documentation

◆ createARCDisassembler()

◆ decodeAField()

◆ decodeBField()

◆ DecodeBranchTargetS()

◆ DecodeCCRU6Instruction()

◆ decodeCField()

◆ DecodeFromCyclicRange()

◆ DecodeGBR32ShortRegister()

◆ DecodeGPR32RegisterClass()

◆ DecodeLdLImmInstruction()

◆ DecodeLdRLImmInstruction()

◆ DecodeMEMrs9()

◆ DecodeMoveHRegInstruction()

◆ DecodeSignedOperand()

◆ DecodeSOPwithRS12()

◆ DecodeSOPwithRU6()

◆ DecodeStLImmInstruction()

◆ DecodeSymbolicOperand()

◆ DecodeSymbolicOperandOff()

◆ LLVMInitializeARCDisassembler()

◆ readInstruction16()

◆ readInstruction32()

◆ readInstruction48()

◆ readInstruction64()

Variable Documentation

◆ GPR32DecoderTable