XCoreDisassembler.cpp File Reference

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

#include "TargetInfo/XCoreTargetInfo.h"
#include "XCore.h"
#include "XCoreRegisterInfo.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/MCSubtargetInfo.h"
#include "llvm/MC/TargetRegistry.h"
#include "llvm/Support/Compiler.h"
#include "XCoreGenDisassemblerTables.inc"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "xcore-disassembler"

Functions
static bool	readInstruction16 (ArrayRef< uint8_t > Bytes, uint64_t Address, uint64_t &Size, uint16_t &Insn)
static bool	readInstruction32 (ArrayRef< uint8_t > Bytes, uint64_t Address, uint64_t &Size, uint32_t &Insn)
static unsigned	getReg (const MCDisassembler *D, unsigned RC, unsigned RegNo)
static DecodeStatus	DecodeGRRegsRegisterClass (MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	DecodeRRegsRegisterClass (MCInst &Inst, unsigned RegNo, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	DecodeBitpOperand (MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	DecodeNegImmOperand (MCInst &Inst, unsigned Val, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	Decode2OpInstruction (unsigned Insn, unsigned &Op1, unsigned &Op2)
static DecodeStatus	Decode3OpInstruction (unsigned Insn, unsigned &Op1, unsigned &Op2, unsigned &Op3)
static DecodeStatus	Decode3RInstruction (MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	Decode3RImmInstruction (MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	Decode2RUSInstruction (MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	Decode2RUSBitpInstruction (MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	DecodeL3RInstruction (MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	DecodeL3RSrcDstInstruction (MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	DecodeL2RUSInstruction (MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	DecodeL2RUSBitpInstruction (MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	Decode2OpInstructionFail (MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	Decode2RInstruction (MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	Decode2RImmInstruction (MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	DecodeR2RInstruction (MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	Decode2RSrcDstInstruction (MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	DecodeRUSInstruction (MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	DecodeRUSBitpInstruction (MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	DecodeRUSSrcDstBitpInstruction (MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	DecodeL2OpInstructionFail (MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	DecodeL2RInstruction (MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	DecodeLR2RInstruction (MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	DecodeL6RInstruction (MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	DecodeL5RInstructionFail (MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	DecodeL5RInstruction (MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	DecodeL4RSrcDstInstruction (MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder)
static DecodeStatus	DecodeL4RSrcDstSrcDstInstruction (MCInst &Inst, unsigned Insn, uint64_t Address, const MCDisassembler *Decoder)
static MCDisassembler *	createXCoreDisassembler (const Target &T, const MCSubtargetInfo &STI, MCContext &Ctx)
LLVM_ABI LLVM_EXTERNAL_VISIBILITY void	LLVMInitializeXCoreDisassembler ()

Detailed Description

This file is part of the XCore Disassembler.

Definition in file XCoreDisassembler.cpp.

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "xcore-disassembler"

Definition at line 29 of file XCoreDisassembler.cpp.

Function Documentation

createXCoreDisassembler()

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

static

Definition at line 651 of file XCoreDisassembler.cpp.

References T.

Referenced by LLVMInitializeXCoreDisassembler().

Decode2OpInstruction()

DecodeStatus Decode2OpInstruction ( unsigned Insn, unsigned & Op1, unsigned & Op2 )

static

Definition at line 117 of file XCoreDisassembler.cpp.

References llvm::MCDisassembler::Fail, llvm::MCD::fieldFromInstruction(), and llvm::MCDisassembler::Success.

Referenced by Decode2RImmInstruction(), Decode2RInstruction(), Decode2RSrcDstInstruction(), DecodeL2RInstruction(), DecodeL5RInstruction(), DecodeLR2RInstruction(), DecodeR2RInstruction(), DecodeRUSBitpInstruction(), DecodeRUSInstruction(), and DecodeRUSSrcDstBitpInstruction().

Decode2OpInstructionFail()

DecodeStatus Decode2OpInstructionFail ( MCInst & Inst, unsigned Insn, uint64_t Address, const MCDisassembler * Decoder )

static

Definition at line 260 of file XCoreDisassembler.cpp.

References Decode2RUSBitpInstruction(), Decode2RUSInstruction(), Decode3RImmInstruction(), Decode3RInstruction(), llvm::MCDisassembler::Fail, llvm::MCD::fieldFromInstruction(), and llvm::MCInst::setOpcode().

Referenced by Decode2RImmInstruction(), Decode2RInstruction(), Decode2RSrcDstInstruction(), DecodeR2RInstruction(), DecodeRUSBitpInstruction(), DecodeRUSInstruction(), and DecodeRUSSrcDstBitpInstruction().

Decode2RImmInstruction()

DecodeStatus Decode2RImmInstruction ( MCInst & Inst, unsigned Insn, uint64_t Address, const MCDisassembler * Decoder )

static

Definition at line 343 of file XCoreDisassembler.cpp.

References llvm::MCInst::addOperand(), llvm::MCOperand::createImm(), Decode2OpInstruction(), Decode2OpInstructionFail(), DecodeGRRegsRegisterClass(), and llvm::MCDisassembler::Success.

Decode2RInstruction()

DecodeStatus Decode2RInstruction ( MCInst & Inst, unsigned Insn, uint64_t Address, const MCDisassembler * Decoder )

static

Definition at line 330 of file XCoreDisassembler.cpp.

References Decode2OpInstruction(), Decode2OpInstructionFail(), DecodeGRRegsRegisterClass(), and llvm::MCDisassembler::Success.

Decode2RSrcDstInstruction()

DecodeStatus Decode2RSrcDstInstruction ( MCInst & Inst, unsigned Insn, uint64_t Address, const MCDisassembler * Decoder )

static

Definition at line 369 of file XCoreDisassembler.cpp.

References Decode2OpInstruction(), Decode2OpInstructionFail(), DecodeGRRegsRegisterClass(), and llvm::MCDisassembler::Success.

Decode2RUSBitpInstruction()

DecodeStatus Decode2RUSBitpInstruction ( MCInst & Inst, unsigned Insn, uint64_t Address, const MCDisassembler * Decoder )

static

Definition at line 189 of file XCoreDisassembler.cpp.

References Decode3OpInstruction(), DecodeBitpOperand(), DecodeGRRegsRegisterClass(), and llvm::MCDisassembler::Success.

Referenced by Decode2OpInstructionFail().

Decode2RUSInstruction()

DecodeStatus Decode2RUSInstruction ( MCInst & Inst, unsigned Insn, uint64_t Address, const MCDisassembler * Decoder )

static

Definition at line 176 of file XCoreDisassembler.cpp.

References llvm::MCInst::addOperand(), llvm::MCOperand::createImm(), Decode3OpInstruction(), DecodeGRRegsRegisterClass(), and llvm::MCDisassembler::Success.

Referenced by Decode2OpInstructionFail().

Decode3OpInstruction()

DecodeStatus Decode3OpInstruction ( unsigned Insn, unsigned & Op1, unsigned & Op2, unsigned & Op3 )

static

Definition at line 135 of file XCoreDisassembler.cpp.

References llvm::MCDisassembler::Fail, llvm::MCD::fieldFromInstruction(), and llvm::MCDisassembler::Success.

Referenced by Decode2RUSBitpInstruction(), Decode2RUSInstruction(), Decode3RImmInstruction(), Decode3RInstruction(), DecodeL2RUSBitpInstruction(), DecodeL2RUSInstruction(), DecodeL3RInstruction(), DecodeL3RSrcDstInstruction(), DecodeL4RSrcDstInstruction(), DecodeL4RSrcDstSrcDstInstruction(), DecodeL5RInstruction(), and DecodeL6RInstruction().

Decode3RImmInstruction()

DecodeStatus Decode3RImmInstruction ( MCInst & Inst, unsigned Insn, uint64_t Address, const MCDisassembler * Decoder )

static

Definition at line 163 of file XCoreDisassembler.cpp.

References llvm::MCInst::addOperand(), llvm::MCOperand::createImm(), Decode3OpInstruction(), DecodeGRRegsRegisterClass(), and llvm::MCDisassembler::Success.

Referenced by Decode2OpInstructionFail().

Decode3RInstruction()

DecodeStatus Decode3RInstruction ( MCInst & Inst, unsigned Insn, uint64_t Address, const MCDisassembler * Decoder )

static

Definition at line 150 of file XCoreDisassembler.cpp.

References Decode3OpInstruction(), DecodeGRRegsRegisterClass(), and llvm::MCDisassembler::Success.

Referenced by Decode2OpInstructionFail().

DecodeBitpOperand()

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

static

Definition at line 97 of file XCoreDisassembler.cpp.

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

Referenced by Decode2RUSBitpInstruction(), DecodeL2RUSBitpInstruction(), DecodeRUSBitpInstruction(), and DecodeRUSSrcDstBitpInstruction().

DecodeGRRegsRegisterClass()

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

static

Definition at line 77 of file XCoreDisassembler.cpp.

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

Referenced by Decode2RImmInstruction(), Decode2RInstruction(), Decode2RSrcDstInstruction(), Decode2RUSBitpInstruction(), Decode2RUSInstruction(), Decode3RImmInstruction(), Decode3RInstruction(), DecodeL2RInstruction(), DecodeL2RUSBitpInstruction(), DecodeL2RUSInstruction(), DecodeL3RInstruction(), DecodeL3RSrcDstInstruction(), DecodeL4RSrcDstInstruction(), DecodeL4RSrcDstSrcDstInstruction(), DecodeL5RInstruction(), DecodeL6RInstruction(), DecodeLR2RInstruction(), DecodeR2RInstruction(), DecodeRUSBitpInstruction(), DecodeRUSInstruction(), and DecodeRUSSrcDstBitpInstruction().

DecodeL2OpInstructionFail()

DecodeStatus DecodeL2OpInstructionFail ( MCInst & Inst, unsigned Insn, uint64_t Address, const MCDisassembler * Decoder )

static

Definition at line 423 of file XCoreDisassembler.cpp.

References DecodeL2RUSBitpInstruction(), DecodeL2RUSInstruction(), DecodeL3RInstruction(), DecodeL3RSrcDstInstruction(), llvm::MCDisassembler::Fail, llvm::MCD::fieldFromInstruction(), and llvm::MCInst::setOpcode().

Referenced by DecodeL2RInstruction(), and DecodeLR2RInstruction().

DecodeL2RInstruction()

DecodeStatus DecodeL2RInstruction ( MCInst & Inst, unsigned Insn, uint64_t Address, const MCDisassembler * Decoder )

static

Definition at line 494 of file XCoreDisassembler.cpp.

References Decode2OpInstruction(), DecodeGRRegsRegisterClass(), DecodeL2OpInstructionFail(), llvm::MCD::fieldFromInstruction(), and llvm::MCDisassembler::Success.

DecodeL2RUSBitpInstruction()

DecodeStatus DecodeL2RUSBitpInstruction ( MCInst & Inst, unsigned Insn, uint64_t Address, const MCDisassembler * Decoder )

static

Definition at line 245 of file XCoreDisassembler.cpp.

References Decode3OpInstruction(), DecodeBitpOperand(), DecodeGRRegsRegisterClass(), llvm::MCD::fieldFromInstruction(), and llvm::MCDisassembler::Success.

Referenced by DecodeL2OpInstructionFail().

DecodeL2RUSInstruction()

DecodeStatus DecodeL2RUSInstruction ( MCInst & Inst, unsigned Insn, uint64_t Address, const MCDisassembler * Decoder )

static

Definition at line 231 of file XCoreDisassembler.cpp.

References llvm::MCInst::addOperand(), llvm::MCOperand::createImm(), Decode3OpInstruction(), DecodeGRRegsRegisterClass(), llvm::MCD::fieldFromInstruction(), and llvm::MCDisassembler::Success.

Referenced by DecodeL2OpInstructionFail().

DecodeL3RInstruction()

DecodeStatus DecodeL3RInstruction ( MCInst & Inst, unsigned Insn, uint64_t Address, const MCDisassembler * Decoder )

static

Definition at line 202 of file XCoreDisassembler.cpp.

References Decode3OpInstruction(), DecodeGRRegsRegisterClass(), llvm::MCD::fieldFromInstruction(), and llvm::MCDisassembler::Success.

Referenced by DecodeL2OpInstructionFail().

DecodeL3RSrcDstInstruction()

DecodeStatus DecodeL3RSrcDstInstruction ( MCInst & Inst, unsigned Insn, uint64_t Address, const MCDisassembler * Decoder )

static

Definition at line 216 of file XCoreDisassembler.cpp.

References Decode3OpInstruction(), DecodeGRRegsRegisterClass(), llvm::MCD::fieldFromInstruction(), and llvm::MCDisassembler::Success.

Referenced by DecodeL2OpInstructionFail().

DecodeL4RSrcDstInstruction()

DecodeStatus DecodeL4RSrcDstInstruction ( MCInst & Inst, unsigned Insn, uint64_t Address, const MCDisassembler * Decoder )

static

Definition at line 576 of file XCoreDisassembler.cpp.

References Decode3OpInstruction(), DecodeGRRegsRegisterClass(), llvm::MCD::fieldFromInstruction(), and llvm::MCDisassembler::Success.

DecodeL4RSrcDstSrcDstInstruction()

DecodeStatus DecodeL4RSrcDstSrcDstInstruction ( MCInst & Inst, unsigned Insn, uint64_t Address, const MCDisassembler * Decoder )

static

Definition at line 596 of file XCoreDisassembler.cpp.

References Decode3OpInstruction(), DecodeGRRegsRegisterClass(), llvm::MCD::fieldFromInstruction(), and llvm::MCDisassembler::Success.

DecodeL5RInstruction()

DecodeStatus DecodeL5RInstruction ( MCInst & Inst, unsigned Insn, uint64_t Address, const MCDisassembler * Decoder )

static

Definition at line 556 of file XCoreDisassembler.cpp.

References Decode2OpInstruction(), Decode3OpInstruction(), DecodeGRRegsRegisterClass(), DecodeL5RInstructionFail(), llvm::MCD::fieldFromInstruction(), and llvm::MCDisassembler::Success.

DecodeL5RInstructionFail()

DecodeStatus DecodeL5RInstructionFail ( MCInst & Inst, unsigned Insn, uint64_t Address, const MCDisassembler * Decoder )

static

Definition at line 542 of file XCoreDisassembler.cpp.

References llvm::MCInst::clear(), DecodeL6RInstruction(), llvm::MCDisassembler::Fail, llvm::MCD::fieldFromInstruction(), and llvm::MCInst::setOpcode().

Referenced by DecodeL5RInstruction().

DecodeL6RInstruction()

DecodeStatus DecodeL6RInstruction ( MCInst & Inst, unsigned Insn, uint64_t Address, const MCDisassembler * Decoder )

static

Definition at line 522 of file XCoreDisassembler.cpp.

References Decode3OpInstruction(), DecodeGRRegsRegisterClass(), llvm::MCD::fieldFromInstruction(), and llvm::MCDisassembler::Success.

Referenced by DecodeL5RInstructionFail().

DecodeLR2RInstruction()

DecodeStatus DecodeLR2RInstruction ( MCInst & Inst, unsigned Insn, uint64_t Address, const MCDisassembler * Decoder )

static

Definition at line 508 of file XCoreDisassembler.cpp.

References Decode2OpInstruction(), DecodeGRRegsRegisterClass(), DecodeL2OpInstructionFail(), llvm::MCD::fieldFromInstruction(), and llvm::MCDisassembler::Success.

DecodeNegImmOperand()

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

static

Definition at line 109 of file XCoreDisassembler.cpp.

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

DecodeR2RInstruction()

DecodeStatus DecodeR2RInstruction ( MCInst & Inst, unsigned Insn, uint64_t Address, const MCDisassembler * Decoder )

static

Definition at line 356 of file XCoreDisassembler.cpp.

References Decode2OpInstruction(), Decode2OpInstructionFail(), DecodeGRRegsRegisterClass(), and llvm::MCDisassembler::Success.

DecodeRRegsRegisterClass()

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

static

Definition at line 87 of file XCoreDisassembler.cpp.

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

DecodeRUSBitpInstruction()

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

static

Definition at line 396 of file XCoreDisassembler.cpp.

References Decode2OpInstruction(), Decode2OpInstructionFail(), DecodeBitpOperand(), DecodeGRRegsRegisterClass(), and llvm::MCDisassembler::Success.

DecodeRUSInstruction()

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

static

Definition at line 383 of file XCoreDisassembler.cpp.

References llvm::MCInst::addOperand(), llvm::MCOperand::createImm(), Decode2OpInstruction(), Decode2OpInstructionFail(), DecodeGRRegsRegisterClass(), and llvm::MCDisassembler::Success.

DecodeRUSSrcDstBitpInstruction()

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

static

Definition at line 410 of file XCoreDisassembler.cpp.

References Decode2OpInstruction(), Decode2OpInstructionFail(), DecodeBitpOperand(), DecodeGRRegsRegisterClass(), and llvm::MCDisassembler::Success.

getReg()

unsigned getReg ( const MCDisassembler * D, unsigned RC, unsigned RegNo )

static

Definition at line 72 of file XCoreDisassembler.cpp.

References D().

Referenced by DecodeGRRegsRegisterClass(), and DecodeRRegsRegisterClass().

LLVMInitializeXCoreDisassembler()

LLVM_ABI LLVM_EXTERNAL_VISIBILITY void LLVMInitializeXCoreDisassembler

(

)

Definition at line 658 of file XCoreDisassembler.cpp.

References createXCoreDisassembler(), llvm::getTheXCoreTarget(), and llvm::TargetRegistry::RegisterMCDisassembler().

readInstruction16()

bool readInstruction16 ( ArrayRef< uint8_t > Bytes, uint64_t Address, uint64_t & Size, uint16_t & Insn )

static

Definition at line 47 of file XCoreDisassembler.cpp.

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

readInstruction32()

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

static

Definition at line 59 of file XCoreDisassembler.cpp.

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