ARCDisassembler.cpp File Reference

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

#include "ARC.h"
#include "ARCRegisterInfo.h"
#include "MCTargetDesc/ARCMCTargetDesc.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCDisassembler/MCDisassembler.h"
#include "llvm/MC/MCFixedLenDisassembler.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/Support/TargetRegistry.h"
#include "ARCGenDisassemblerTables.inc"

Include dependency graph for ARCDisassembler.cpp:

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "arc-disassembler"

Typedefs
using	DecodeStatus = MCDisassembler::DecodeStatus

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 void *Decoder=nullptr)
template<unsigned B>
static DecodeStatus	DecodeFromCyclicRange (MCInst &Inst, unsigned InsnS, uint64_t Address=0, const void *Decoder=nullptr)
template<unsigned B>
static DecodeStatus	DecodeBranchTargetS (MCInst &Inst, unsigned InsnS, uint64_t Address, const void *Decoder)
static DecodeStatus	DecodeMEMrs9 (MCInst &, unsigned, uint64_t, const void *)
static DecodeStatus	DecodeLdLImmInstruction (MCInst &, uint64_t, uint64_t, const void *)
static DecodeStatus	DecodeStLImmInstruction (MCInst &, uint64_t, uint64_t, const void *)
static DecodeStatus	DecodeLdRLImmInstruction (MCInst &, uint64_t, uint64_t, const void *)
static DecodeStatus	DecodeMoveHRegInstruction (MCInst &Inst, uint64_t, uint64_t, const void *)
static DecodeStatus	DecodeGPR32RegisterClass (MCInst &Inst, unsigned RegNo, uint64_t Address, const void *Decoder)
static DecodeStatus	DecodeGBR32ShortRegister (MCInst &Inst, unsigned RegNo, uint64_t Address, const void *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 void *Decoder)
static void	DecodeSymbolicOperandOff (MCInst &Inst, uint64_t Address, uint64_t Offset, const void *Decoder)
static MCDisassembler *	createARCDisassembler (const Target &T, const MCSubtargetInfo &STI, MCContext &Ctx)
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 28 of file ARCDisassembler.cpp.

Typedef Documentation

DecodeStatus

using DecodeStatus = MCDisassembler::DecodeStatus

Definition at line 30 of file ARCDisassembler.cpp.

Function Documentation

createARCDisassembler()

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

static

Definition at line 362 of file ARCDisassembler.cpp.

References llvm::Target::createMCInstrInfo().

Referenced by LLVMInitializeARCDisassembler().

decodeAField()

static unsigned decodeAField ( unsigned  Insn )

static

Definition at line 155 of file ARCDisassembler.cpp.

Referenced by DecodeLdLImmInstruction(), and DecodeLdRLImmInstruction().

decodeBField()

static unsigned decodeBField ( unsigned  Insn )

static

Definition at line 150 of file ARCDisassembler.cpp.

Referenced by DecodeLdLImmInstruction(), DecodeLdRLImmInstruction(), and DecodeStLImmInstruction().

DecodeBranchTargetS()

template<unsigned B>

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

static

Definition at line 188 of file ARCDisassembler.cpp.

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

Referenced by readInstruction16().

decodeCField()

static unsigned decodeCField ( unsigned  Insn )

static

Definition at line 146 of file ARCDisassembler.cpp.

Referenced by DecodeLdRLImmInstruction(), and DecodeStLImmInstruction().

DecodeFromCyclicRange()

template<unsigned B>

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

static

Definition at line 208 of file ARCDisassembler.cpp.

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

Referenced by readInstruction16().

DecodeGBR32ShortRegister()

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

static

Definition at line 134 of file ARCDisassembler.cpp.

References DecodeGPR32RegisterClass().

DecodeGPR32RegisterClass()

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

static

Definition at line 121 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 DecodeGBR32ShortRegister(), DecodeLdLImmInstruction(), DecodeLdRLImmInstruction(), DecodeMEMrs9(), DecodeMoveHRegInstruction(), and DecodeStLImmInstruction().

DecodeLdLImmInstruction()

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

static

Definition at line 236 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.

Referenced by readInstruction16().

DecodeLdRLImmInstruction()

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

static

Definition at line 254 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.

Referenced by readInstruction16().

DecodeMEMrs9()

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

static

Definition at line 159 of file ARCDisassembler.cpp.

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

Referenced by readInstruction16().

DecodeMoveHRegInstruction()

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

static

Definition at line 271 of file ARCDisassembler.cpp.

References llvm::MCInst::addOperand(), llvm::Address, llvm::MCOperand::createImm(), llvm::dbgs(), DecodeGPR32RegisterClass(), llvm::X86Disassembler::decodeInstruction(), llvm::MCDisassembler::Fail, Fail, llvm::tgtok::Field, LLVM_DEBUG, readInstruction16(), readInstruction32(), readInstruction48(), readInstruction64(), Size, llvm::ArrayRef< T >::size(), llvm::MCDisassembler::Success, and Success.

Referenced by readInstruction16().

DecodeSignedOperand()

template<unsigned B>

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

static

Definition at line 197 of file ARCDisassembler.cpp.

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

Referenced by llvm::codeview::BinaryAnnotationIterator::operator*(), and readInstruction16().

DecodeStLImmInstruction()

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

static

Definition at line 219 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.

Referenced by readInstruction16().

DecodeSymbolicOperand()

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

static

Definition at line 169 of file ARCDisassembler.cpp.

Referenced by DecodeSymbolicOperandOff().

DecodeSymbolicOperandOff()

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

static

Definition at line 179 of file ARCDisassembler.cpp.

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

Referenced by DecodeBranchTargetS().

LLVMInitializeARCDisassembler()

void LLVMInitializeARCDisassembler

(

)

Definition at line 368 of file ARCDisassembler.cpp.

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

readInstruction16()

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

static

Definition at line 79 of file ARCDisassembler.cpp.

References llvm::Address, DecodeBranchTargetS(), DecodeFromCyclicRange(), DecodeLdLImmInstruction(), DecodeLdRLImmInstruction(), DecodeMEMrs9(), DecodeMoveHRegInstruction(), DecodeSignedOperand(), and DecodeStLImmInstruction().

Referenced by DecodeMoveHRegInstruction().

readInstruction32()

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

static

Definition at line 51 of file ARCDisassembler.cpp.

Referenced by DecodeMoveHRegInstruction().

readInstruction48()

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

static

Definition at line 70 of file ARCDisassembler.cpp.

Referenced by DecodeMoveHRegInstruction().

readInstruction64()

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

static

Definition at line 60 of file ARCDisassembler.cpp.

Referenced by DecodeMoveHRegInstruction().

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 114 of file ARCDisassembler.cpp.

Referenced by DecodeGPR32RegisterClass().