LanaiDisassembler.cpp File Reference

#include "LanaiDisassembler.h"
#include "LanaiAluCode.h"
#include "LanaiCondCode.h"
#include "LanaiInstrInfo.h"
#include "TargetInfo/LanaiTargetInfo.h"
#include "llvm/MC/MCDecoder.h"
#include "llvm/MC/MCDecoderOps.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/MC/TargetRegistry.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/MathExtras.h"
#include "LanaiGenDisassemblerTables.inc"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "lanai-disassembler"

Functions
static MCDisassembler *	createLanaiDisassembler (const Target &, const MCSubtargetInfo &STI, MCContext &Ctx)
LLVM_ABI LLVM_EXTERNAL_VISIBILITY void	LLVMInitializeLanaiDisassembler ()
DecodeStatus	DecodeGPRRegisterClass (MCInst &Inst, unsigned RegNo, uint64_t, const MCDisassembler *)
static DecodeStatus	decodeRiMemoryValue (MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	decodeRrMemoryValue (MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	decodeSplsValue (MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder)
static bool	tryAddingSymbolicOperand (int64_t Value, bool IsBranch, uint64_t Address, uint64_t Offset, uint64_t Width, MCInst &MI, const MCDisassembler *Decoder)
static DecodeStatus	decodeBranch (MCInst &MI, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	decodeShiftImm (MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	decodePredicateOperand (MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	readInstruction32 (ArrayRef< uint8_t > Bytes, uint64_t &Size, uint32_t &Insn)
static void	PostOperandDecodeAdjust (MCInst &Instr, uint32_t Insn)

Variables
static const unsigned	GPRDecoderTable []

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "lanai-disassembler"

Definition at line 28 of file LanaiDisassembler.cpp.

Function Documentation

createLanaiDisassembler()

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

static

Definition at line 35 of file LanaiDisassembler.cpp.

Referenced by LLVMInitializeLanaiDisassembler().

decodeBranch()

DecodeStatus decodeBranch ( MCInst & MI, unsigned Insn, uint64_t Address, const MCDisassembler * Decoder )

static

Definition at line 120 of file LanaiDisassembler.cpp.

References llvm::MCOperand::createImm(), MI, llvm::MCDisassembler::Success, and tryAddingSymbolicOperand().

DecodeGPRRegisterClass()

DecodeStatus DecodeGPRRegisterClass	(	MCInst &	Inst,
		unsigned	RegNo,
		uint64_t	,
		const MCDisassembler *	)

Definition at line 62 of file LanaiDisassembler.cpp.

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

decodePredicateOperand()

DecodeStatus decodePredicateOperand ( MCInst & Inst, unsigned Val, uint64_t Address, const MCDisassembler * Decoder )

static

Definition at line 137 of file LanaiDisassembler.cpp.

References llvm::MCInst::addOperand(), llvm::MCOperand::createImm(), llvm::MCDisassembler::Fail, llvm::MCDisassembler::Success, and llvm::LPCC::UNKNOWN.

decodeRiMemoryValue()

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

static

Definition at line 73 of file LanaiDisassembler.cpp.

References llvm::MCInst::addOperand(), llvm::MCOperand::createImm(), llvm::MCOperand::createReg(), GPRDecoderTable, llvm::Offset, llvm::SignExtend32(), and llvm::MCDisassembler::Success.

decodeRrMemoryValue()

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

static

Definition at line 86 of file LanaiDisassembler.cpp.

References llvm::MCInst::addOperand(), llvm::MCOperand::createReg(), GPRDecoderTable, and llvm::MCDisassembler::Success.

decodeShiftImm()

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

static

Definition at line 128 of file LanaiDisassembler.cpp.

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

decodeSplsValue()

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

static

Definition at line 99 of file LanaiDisassembler.cpp.

References llvm::MCInst::addOperand(), llvm::MCOperand::createImm(), llvm::MCOperand::createReg(), GPRDecoderTable, llvm::Offset, llvm::SignExtend32(), and llvm::MCDisassembler::Success.

LLVMInitializeLanaiDisassembler()

LLVM_ABI LLVM_EXTERNAL_VISIBILITY void LLVMInitializeLanaiDisassembler

(

)

Definition at line 42 of file LanaiDisassembler.cpp.

References createLanaiDisassembler(), llvm::getTheLanaiTarget(), and llvm::TargetRegistry::RegisterMCDisassembler().

PostOperandDecodeAdjust()

void PostOperandDecodeAdjust ( MCInst & Instr, uint32_t Insn )

static

Definition at line 163 of file LanaiDisassembler.cpp.

References llvm::LPAC::ADD, llvm::MCOperand::createImm(), llvm::isRMOpcode(), llvm::isRRMOpcode(), llvm::isSPLSOpcode(), llvm::LPAC::makePostOp(), and llvm::LPAC::makePreOp().

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

readInstruction32()

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

static

Definition at line 148 of file LanaiDisassembler.cpp.

References llvm::MCDisassembler::Fail, Size, llvm::ArrayRef< T >::size(), and llvm::MCDisassembler::Success.

tryAddingSymbolicOperand()

bool tryAddingSymbolicOperand ( int64_t Value, bool IsBranch, uint64_t Address, uint64_t Offset, uint64_t Width, MCInst & MI, const MCDisassembler * Decoder )

static

Definition at line 112 of file LanaiDisassembler.cpp.

References MI, llvm::Offset, and llvm::MCDisassembler::tryAddingSymbolicOperand().

Variable Documentation

GPRDecoderTable

const unsigned GPRDecoderTable[]

static

Initial value:

= {
  Lanai::R0,  Lanai::R1,  Lanai::PC,  Lanai::R3,  Lanai::SP,  Lanai::FP,
  Lanai::R6,  Lanai::R7,  Lanai::RV,  Lanai::R9,  Lanai::RR1, Lanai::RR2,
  Lanai::R12, Lanai::R13, Lanai::R14, Lanai::RCA, Lanai::R16, Lanai::R17,
  Lanai::R18, Lanai::R19, Lanai::R20, Lanai::R21, Lanai::R22, Lanai::R23,
  Lanai::R24, Lanai::R25, Lanai::R26, Lanai::R27, Lanai::R28, Lanai::R29,
  Lanai::R30, Lanai::R31
}

Definition at line 52 of file LanaiDisassembler.cpp.