X86DisassemblerDecoder.cpp File Reference

#include <cstdarg>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include "X86DisassemblerDecoder.h"
#include "X86GenDisassemblerTables.inc"

Include dependency graph for X86DisassemblerDecoder.cpp:

Go to the source code of this file.

Classes
struct	ModRMDecision
	Specifies whether a ModR/M byte is needed and (if so) which instruction each possible value of the ModR/M byte corresponds to. More...
struct	OpcodeDecision
	Specifies which set of ModR/M->instruction tables to look at given a particular opcode. More...
struct	ContextDecision
	Specifies which opcode->instruction tables to look at given a particular context (set of attributes). More...

Macros
#define	debug(s)   do { Debug(__FILE__, __LINE__, s); } while (0)
#define	CONSUME_FUNC(name, type)
#define	GENERIC_FIXUP_FUNC(name, base, prefix, mask)

Functions
static InstructionContext	contextForAttrs (uint16_t attrMask)
static int	modRMRequired (OpcodeType type, InstructionContext insnContext, uint16_t opcode)
static InstrUID	decode (OpcodeType type, InstructionContext insnContext, uint8_t opcode, uint8_t modRM)
static const struct InstructionSpecifier *	specifierForUID (InstrUID uid)
static int	consumeByte (struct InternalInstruction *insn, uint8_t *byte)
static int	lookAtByte (struct InternalInstruction *insn, uint8_t *byte)
static void	unconsumeByte (struct InternalInstruction *insn)
static void	dbgprintf (struct InternalInstruction *insn, const char *format,...)
static bool	isREX (struct InternalInstruction *insn, uint8_t prefix)
static void	setPrefixPresent (struct InternalInstruction *insn, uint8_t prefix)
static int	readPrefixes (struct InternalInstruction *insn)
static int	readModRM (struct InternalInstruction *insn)
static int	readOpcode (struct InternalInstruction *insn)
static int	getIDWithAttrMask (uint16_t *instructionID, struct InternalInstruction *insn, uint16_t attrMask)
static bool	is16BitEquivalent (const char *orig, const char *equiv)
static bool	is64Bit (const char *name)
static int	getID (struct InternalInstruction *insn, const void *miiArg)
static int	readSIB (struct InternalInstruction *insn)
static int	readDisplacement (struct InternalInstruction *insn)
static int	fixupReg (struct InternalInstruction *insn, const struct OperandSpecifier *op)
static int	readOpcodeRegister (struct InternalInstruction *insn, uint8_t size)
static int	readImmediate (struct InternalInstruction *insn, uint8_t size)
static int	readVVVV (struct InternalInstruction *insn)
static int	readMaskRegister (struct InternalInstruction *insn)
static int	readOperands (struct InternalInstruction *insn)

Macro Definition Documentation

CONSUME_FUNC

#define CONSUME_FUNC	(		name,
			type
	)

Value:

static int name(struct InternalInstruction* insn, type* ptr) {  \
    type combined = 0;                                            \
    unsigned offset;                                              \
    for (offset = 0; offset < sizeof(type); ++offset) {           \
      uint8_t byte;                                               \
      int ret = insn->reader(insn->readerArg,                     \
                             &byte,                               \
                             insn->readerCursor + offset);        \
      if (ret)                                                    \
        return ret;                                               \
      combined = combined | ((uint64_t)byte << (offset * 8));     \
    }                                                             \
    *ptr = combined;                                              \
    insn->readerCursor += sizeof(type);                           \
    return 0;                                                     \
  }

Definition at line 227 of file X86DisassemblerDecoder.cpp.

debug

#define debug

(

s

)

do { Debug(__FILE__, __LINE__, s); } while (0)

Definition at line 51 of file X86DisassemblerDecoder.cpp.

Referenced by decode(), fixupReg(), readImmediate(), readOperands(), readPrefixes(), and readSIB().

GENERIC_FIXUP_FUNC

#define GENERIC_FIXUP_FUNC	(		name,
			base,
			prefix,
			mask
	)

Definition at line 1424 of file X86DisassemblerDecoder.cpp.

Function Documentation

consumeByte()

static int consumeByte ( struct InternalInstruction *  insn, uint8_t *  byte  )

static

Definition at line 203 of file X86DisassemblerDecoder.cpp.

References llvm::X86Disassembler::InternalInstruction::reader, llvm::X86Disassembler::InternalInstruction::readerArg, and llvm::X86Disassembler::InternalInstruction::readerCursor.

Referenced by readImmediate(), readModRM(), readOpcode(), readPrefixes(), and readSIB().

contextForAttrs()

static InstructionContext contextForAttrs ( uint16_t  attrMask )

static

Definition at line 64 of file X86DisassemblerDecoder.cpp.

References CONTEXTS_SYM.

Referenced by getIDWithAttrMask().

dbgprintf()

static void dbgprintf ( struct InternalInstruction *  insn, const char *  format,   ...  )

static

Definition at line 270 of file X86DisassemblerDecoder.cpp.

References llvm::format().

Referenced by llvm::X86Disassembler::decodeInstruction(), fixupReg(), getID(), readDisplacement(), readImmediate(), readMaskRegister(), readModRM(), readOpcode(), readOpcodeRegister(), readOperands(), readPrefixes(), readSIB(), and readVVVV().

decode()

static InstrUID decode ( OpcodeType  type, InstructionContext  insnContext, uint8_t  opcode, uint8_t  modRM  )

static

Definition at line 125 of file X86DisassemblerDecoder.cpp.

References debug, ModRMDecision::instructionIDs, modFromModRM, ModRMDecision::modrm_type, llvm::X86Disassembler::ONEBYTE, ONEBYTE_SYM, THREEBYTE38_SYM, THREEBYTE3A_SYM, llvm::X86Disassembler::THREEBYTE_38, llvm::X86Disassembler::THREEBYTE_3A, llvm::X86Disassembler::THREEDNOW_MAP, THREEDNOW_MAP_SYM, llvm::X86Disassembler::TWOBYTE, TWOBYTE_SYM, llvm::X86Disassembler::XOP8_MAP, XOP8_MAP_SYM, llvm::X86Disassembler::XOP9_MAP, XOP9_MAP_SYM, llvm::X86Disassembler::XOPA_MAP, and XOPA_MAP_SYM.

Referenced by encodeCnt(), and getIDWithAttrMask().

fixupReg()

static int fixupReg ( struct InternalInstruction *  insn, const struct OperandSpecifier *  op  )

static

Definition at line 1521 of file X86DisassemblerDecoder.cpp.

References CASE_ENCODING_RM, dbgprintf(), and debug.

Referenced by readOperands().

getID()

static int getID ( struct InternalInstruction *  insn, const void *  miiArg  )

static

Definition at line 853 of file X86DisassemblerDecoder.cpp.

References aaaFromEVEX4of4, bFromEVEX4of4, llvm::StringRef::data(), dbgprintf(), getIDWithAttrMask(), llvm::X86Disassembler::GetInstrName(), llvm::X86Disassembler::InternalInstruction::hasAdSize, llvm::X86Disassembler::InternalInstruction::hasOpSize, llvm::X86Disassembler::InternalInstruction::instructionID, is16BitEquivalent(), is64Bit(), l2FromEVEX4of4, lFromEVEX4of4, lFromVEX2of2, lFromVEX3of3, lFromXOP3of3, llvm::X86Disassembler::InternalInstruction::mandatoryPrefix, llvm::X86Disassembler::InternalInstruction::mode, llvm::X86Disassembler::MODE_16BIT, llvm::X86Disassembler::MODE_64BIT, llvm::X86Disassembler::ONEBYTE, llvm::X86Disassembler::InternalInstruction::opcode, llvm::X86Disassembler::InternalInstruction::opcodeType, ppFromEVEX3of4, ppFromVEX2of2, ppFromVEX3of3, ppFromXOP3of3, llvm::X86Disassembler::InternalInstruction::repeatPrefix, llvm::X86Disassembler::InternalInstruction::rexPrefix, llvm::X86Disassembler::InternalInstruction::spec, specifierForUID(), llvm::X86Disassembler::THREEBYTE_38, llvm::X86Disassembler::TWOBYTE, llvm::X86Disassembler::TYPE_EVEX, llvm::X86Disassembler::TYPE_NO_VEX_XOP, llvm::X86Disassembler::TYPE_VEX_2B, llvm::X86Disassembler::TYPE_VEX_3B, llvm::X86Disassembler::TYPE_XOP, llvm::X86Disassembler::InternalInstruction::vectorExtensionPrefix, llvm::X86Disassembler::InternalInstruction::vectorExtensionType, llvm::X86Disassembler::VEX_PREFIX_66, llvm::X86Disassembler::VEX_PREFIX_F2, llvm::X86Disassembler::VEX_PREFIX_F3, wFromEVEX3of4, wFromVEX3of3, wFromXOP3of3, and zFromEVEX4of4.

Referenced by llvm::X86Disassembler::decodeInstruction(), llvm::MemoryAccess::getID(), llvm::RegisterBankInfo::InstructionMapping::InstructionMapping(), llvm::RegisterBankInfo::InstructionMapping::isValid(), okayForPHIOfOps(), llvm::RegisterBankInfo::InstructionMapping::print(), llvm::MemoryDef::print(), llvm::MemoryPhi::print(), and llvm::MemoryAccess::setBlock().

getIDWithAttrMask()

static int getIDWithAttrMask ( uint16_t *  instructionID, struct InternalInstruction *  insn, uint16_t  attrMask  )

static

Definition at line 772 of file X86DisassemblerDecoder.cpp.

References contextForAttrs(), decode(), llvm::X86Disassembler::InternalInstruction::modRM, modRMRequired(), llvm::X86Disassembler::InternalInstruction::opcode, llvm::X86Disassembler::InternalInstruction::opcodeType, and readModRM().

Referenced by getID().

is16BitEquivalent()

static bool is16BitEquivalent ( const char *  orig, const char *  equiv  )

static

Definition at line 808 of file X86DisassemblerDecoder.cpp.

Referenced by getID().

is64Bit()

static bool is64Bit ( const char *  name )

static

Definition at line 833 of file X86DisassemblerDecoder.cpp.

Referenced by llvm::object::MachOObjectFile::BindRebaseAddress(), llvm::object::MachOObjectFile::bindTable(), llvm::CC_X86_VectorCallAssignRegister(), llvm::object::MachOObjectFile::checkSymbolTable(), llvm::createX86FixupSetCC(), createX86MCAsmInfo(), llvm::NVPTXAsmPrinter::doFinalization(), dumpRelocs(), llvm::PPCFrameLowering::eliminateCallFramePseudoInstr(), llvm::PPCRegisterInfo::eliminateFrameIndex(), llvm::NVPTXFrameLowering::emitPrologue(), getAccessVariant(), llvm::object::MachOObjectFile::getBytesInAddress(), getDataLayoutString(), getEffectiveRelocModel(), llvm::object::MachOObjectFile::getFileFormatName(), getFixupKindLog2Size(), llvm::object::MachOObjectFile::getHeader64(), getID(), llvm::object::MachOObjectFile::getNValue(), getOpenCLAlignment(), llvm::X86TargetLowering::getRegForInlineAsmConstraint(), llvm::PPCTargetLowering::getRegisterByName(), getRelaxedOpcode(), llvm::object::MachOObjectFile::getRelocation(), llvm::object::MachOObjectFile::getRelocationSymbol(), llvm::object::MachOObjectFile::getSectionAddress(), llvm::object::MachOObjectFile::getSectionAlignment(), llvm::object::MachOObjectFile::getSectionContents(), llvm::object::MachOObjectFile::getSectionSize(), llvm::object::MachOObjectFile::getSymbolByIndex(), llvm::object::MachOObjectFile::getSymbolIndex(), llvm::X86Subtarget::hasCMov(), llvm::X86Subtarget::hasMFence(), llvm::X86::isCalleePop(), isInSymtab(), llvm::object::MachOObjectFile::isSectionStripped(), llvm::X86Subtarget::isTargetNaCl32(), llvm::X86Subtarget::isTargetNaCl64(), isWeak(), llvm::X86Subtarget::isXRaySupported(), llvm::object::MachOObjectFile::lazyBindTable(), llvm::PPCRegisterInfo::lowerDynamicAreaOffset(), llvm::SparcTargetLowering::LowerF128Compare(), llvm::object::MachOObjectFile::moveSymbolNext(), llvm::object::MachOObjectFile::rebaseTable(), llvm::object::MachOObjectFile::symbol_end(), llvm::object::MachOObjectFile::weakBindTable(), llvm::X86ELFMCAsmInfo::X86ELFMCAsmInfo(), and llvm::X86MCAsmInfoDarwin::X86MCAsmInfoDarwin().

isREX()

static bool isREX ( struct InternalInstruction *  insn, uint8_t  prefix  )

static

Definition at line 286 of file X86DisassemblerDecoder.cpp.

References llvm::X86Disassembler::InternalInstruction::mode, and llvm::X86Disassembler::MODE_64BIT.

Referenced by readPrefixes(), and setPrefixPresent().

lookAtByte()

static int lookAtByte ( struct InternalInstruction *  insn, uint8_t *  byte  )

static

Definition at line 219 of file X86DisassemblerDecoder.cpp.

References llvm::X86Disassembler::InternalInstruction::reader, llvm::X86Disassembler::InternalInstruction::readerArg, and llvm::X86Disassembler::InternalInstruction::readerCursor.

Referenced by readPrefixes(), and setPrefixPresent().

modRMRequired()

static int modRMRequired ( OpcodeType  type, InstructionContext  insnContext, uint16_t  opcode  )

static

Definition at line 79 of file X86DisassemblerDecoder.cpp.

References OpcodeDecision::modRMDecisions, llvm::X86Disassembler::ONEBYTE, ONEBYTE_SYM, ContextDecision::opcodeDecisions, THREEBYTE38_SYM, THREEBYTE3A_SYM, llvm::X86Disassembler::THREEBYTE_38, llvm::X86Disassembler::THREEBYTE_3A, llvm::X86Disassembler::THREEDNOW_MAP, THREEDNOW_MAP_SYM, llvm::X86Disassembler::TWOBYTE, TWOBYTE_SYM, llvm::X86Disassembler::XOP8_MAP, XOP8_MAP_SYM, llvm::X86Disassembler::XOP9_MAP, XOP9_MAP_SYM, llvm::X86Disassembler::XOPA_MAP, and XOPA_MAP_SYM.

Referenced by getIDWithAttrMask().

readDisplacement()

static int readDisplacement ( struct InternalInstruction *  insn )

static

Definition at line 1237 of file X86DisassemblerDecoder.cpp.

References llvm::X86Disassembler::InternalInstruction::consumedDisplacement, dbgprintf(), llvm::X86Disassembler::InternalInstruction::displacement, llvm::X86Disassembler::InternalInstruction::displacementOffset, llvm::X86Disassembler::EA_DISP_16, llvm::X86Disassembler::EA_DISP_32, llvm::X86Disassembler::EA_DISP_8, llvm::X86Disassembler::EA_DISP_NONE, llvm::X86Disassembler::InternalInstruction::eaDisplacement, llvm::X86Disassembler::InternalInstruction::readerCursor, and llvm::X86Disassembler::InternalInstruction::startLocation.

Referenced by readModRM().

readImmediate()

static int readImmediate ( struct InternalInstruction *  insn, uint8_t  size  )

static

Definition at line 1620 of file X86DisassemblerDecoder.cpp.

References consumeByte(), dbgprintf(), debug, llvm::X86Disassembler::InternalInstruction::immediateOffset, llvm::X86Disassembler::InternalInstruction::immediates, llvm::X86Disassembler::InternalInstruction::immediateSize, llvm::X86Disassembler::InternalInstruction::numImmediatesConsumed, llvm::X86Disassembler::InternalInstruction::readerCursor, llvm::size(), and llvm::X86Disassembler::InternalInstruction::startLocation.

Referenced by readOperands().

readMaskRegister()

static int readMaskRegister ( struct InternalInstruction *  insn )

static

Definition at line 1704 of file X86DisassemblerDecoder.cpp.

References aaaFromEVEX4of4, dbgprintf(), llvm::X86Disassembler::TYPE_EVEX, llvm::X86Disassembler::InternalInstruction::vectorExtensionPrefix, llvm::X86Disassembler::InternalInstruction::vectorExtensionType, and llvm::X86Disassembler::InternalInstruction::writemask.

Referenced by readOperands().

readModRM()

static int readModRM ( struct InternalInstruction *  insn )

static

Definition at line 1282 of file X86DisassemblerDecoder.cpp.

References llvm::X86Disassembler::InternalInstruction::addressSize, bFromREX, consumeByte(), llvm::X86Disassembler::InternalInstruction::consumedModRM, dbgprintf(), llvm::X86Disassembler::InternalInstruction::displacementSize, llvm::X86Disassembler::EA_BASE_NONE, llvm::X86Disassembler::EA_DISP_16, llvm::X86Disassembler::EA_DISP_32, llvm::X86Disassembler::EA_DISP_8, llvm::X86Disassembler::EA_DISP_NONE, llvm::X86Disassembler::InternalInstruction::eaBase, llvm::X86Disassembler::InternalInstruction::eaDisplacement, llvm::X86Disassembler::InternalInstruction::eaRegBase, LLVM_FALLTHROUGH, llvm::X86Disassembler::InternalInstruction::mode, llvm::X86Disassembler::MODE_64BIT, modFromModRM, llvm::X86Disassembler::InternalInstruction::modRM, r2FromEVEX2of4, readDisplacement(), readSIB(), llvm::X86Disassembler::InternalInstruction::reg, llvm::X86Disassembler::InternalInstruction::regBase, regFromModRM, llvm::X86Disassembler::InternalInstruction::registerSize, llvm::X86Disassembler::InternalInstruction::rexPrefix, rFromREX, rmFromModRM, llvm::X86Disassembler::TYPE_EVEX, llvm::X86Disassembler::InternalInstruction::vectorExtensionPrefix, llvm::X86Disassembler::InternalInstruction::vectorExtensionType, and xFromEVEX2of4.

Referenced by getIDWithAttrMask(), readOpcode(), readOperands(), and readPrefixes().

readOpcode()

static int readOpcode ( struct InternalInstruction *  insn )

static

Definition at line 644 of file X86DisassemblerDecoder.cpp.

References consumeByte(), dbgprintf(), llvm::X86Disassembler::InternalInstruction::mandatoryPrefix, mmFromEVEX2of4, mmmmmFromVEX2of3, mmmmmFromXOP2of3, llvm::X86Disassembler::ONEBYTE, llvm::X86Disassembler::InternalInstruction::opcode, llvm::X86Disassembler::InternalInstruction::opcodeType, readModRM(), llvm::X86Disassembler::THREEBYTE_38, llvm::X86Disassembler::THREEBYTE_3A, llvm::X86Disassembler::THREEDNOW_MAP, llvm::X86Disassembler::TWOBYTE, llvm::X86Disassembler::TYPE_EVEX, llvm::X86Disassembler::TYPE_VEX_2B, llvm::X86Disassembler::TYPE_VEX_3B, llvm::X86Disassembler::TYPE_XOP, llvm::X86Disassembler::InternalInstruction::vectorExtensionPrefix, llvm::X86Disassembler::InternalInstruction::vectorExtensionType, llvm::X86Disassembler::VEX_LOB_0F, llvm::X86Disassembler::VEX_LOB_0F38, llvm::X86Disassembler::VEX_LOB_0F3A, llvm::X86Disassembler::XOP8_MAP, llvm::X86Disassembler::XOP9_MAP, llvm::X86Disassembler::XOP_MAP_SELECT_8, llvm::X86Disassembler::XOP_MAP_SELECT_9, llvm::X86Disassembler::XOP_MAP_SELECT_A, and llvm::X86Disassembler::XOPA_MAP.

Referenced by llvm::X86Disassembler::decodeInstruction().

readOpcodeRegister()

static int readOpcodeRegister ( struct InternalInstruction *  insn, uint8_t  size  )

static

Definition at line 1573 of file X86DisassemblerDecoder.cpp.

References bFromREX, dbgprintf(), llvm::X86Disassembler::InternalInstruction::opcode, llvm::X86Disassembler::InternalInstruction::opcodeRegister, llvm::X86Disassembler::InternalInstruction::registerSize, and llvm::X86Disassembler::InternalInstruction::rexPrefix.

Referenced by readOperands().

readOperands()

static int readOperands ( struct InternalInstruction *  insn )

static

Definition at line 1722 of file X86DisassemblerDecoder.cpp.

References llvm::X86Disassembler::InternalInstruction::addressSize, CASE_ENCODING_RM, CASE_ENCODING_VSIB, dbgprintf(), debug, llvm::X86Disassembler::InternalInstruction::displacement, llvm::X86Disassembler::EA_DISP_8, llvm::X86Disassembler::InternalInstruction::eaBase, llvm::X86Disassembler::InternalInstruction::eaDisplacement, fixupReg(), llvm::X86Disassembler::InternalInstruction::immediates, llvm::X86Disassembler::InternalInstruction::immediateSize, l2FromEVEX4of4, lFromEVEX4of4, llvm::X86Disassembler::InternalInstruction::mode, llvm::X86Disassembler::MODE_64BIT, llvm::X86Disassembler::InternalInstruction::numImmediatesConsumed, llvm::X86Disassembler::InstructionSpecifier::operands, llvm::X86Disassembler::InternalInstruction::RC, readImmediate(), readMaskRegister(), readModRM(), readOpcodeRegister(), readVVVV(), llvm::X86Disassembler::SIB_INDEX_NONE, llvm::X86Disassembler::InternalInstruction::sibIndex, llvm::X86Disassembler::InternalInstruction::sibIndexBase, llvm::X86Disassembler::InternalInstruction::spec, llvm::X86Disassembler::TYPE_EVEX, v2FromEVEX4of4, llvm::X86Disassembler::InternalInstruction::vectorExtensionPrefix, llvm::X86Disassembler::InternalInstruction::vectorExtensionType, and llvm::X86Disassembler::InternalInstruction::vvvv.

Referenced by llvm::X86Disassembler::decodeInstruction().

readPrefixes()

static int readPrefixes ( struct InternalInstruction *  insn )

static

Definition at line 338 of file X86DisassemblerDecoder.cpp.

References llvm::X86Disassembler::InternalInstruction::addressSize, bFromEVEX2of4, bFromVEX2of3, bFromXOP2of3, consumeByte(), dbgprintf(), debug, llvm::X86Disassembler::InternalInstruction::displacementSize, llvm::X86Disassembler::InternalInstruction::hasAdSize, llvm::X86Disassembler::InternalInstruction::hasOpSize, llvm::X86Disassembler::InternalInstruction::immediateSize, isPrefix(), isREX(), lookAtByte(), llvm::X86Disassembler::InternalInstruction::mode, llvm::X86Disassembler::MODE_16BIT, llvm::X86Disassembler::MODE_32BIT, llvm::X86Disassembler::MODE_64BIT, nextByte(), ppFromVEX2of2, ppFromXOP3of3, llvm::X86Disassembler::InternalInstruction::readerCursor, readModRM(), llvm::X86Disassembler::InternalInstruction::registerSize, llvm::X86Disassembler::InternalInstruction::rexPrefix, rFromEVEX2of4, rFromVEX2of2, rFromVEX2of3, rFromXOP2of3, llvm::X86Disassembler::SEG_OVERRIDE_CS, llvm::X86Disassembler::SEG_OVERRIDE_DS, llvm::X86Disassembler::SEG_OVERRIDE_ES, llvm::X86Disassembler::SEG_OVERRIDE_FS, llvm::X86Disassembler::SEG_OVERRIDE_GS, llvm::X86Disassembler::SEG_OVERRIDE_SS, llvm::X86Disassembler::InternalInstruction::segmentOverride, setPrefixPresent(), llvm::X86Disassembler::InternalInstruction::startLocation, llvm::X86Disassembler::TYPE_EVEX, llvm::X86Disassembler::TYPE_NO_VEX_XOP, llvm::X86Disassembler::TYPE_VEX_2B, llvm::X86Disassembler::TYPE_VEX_3B, llvm::X86Disassembler::TYPE_XOP, unconsumeByte(), llvm::X86Disassembler::InternalInstruction::vectorExtensionPrefix, llvm::X86Disassembler::InternalInstruction::vectorExtensionType, llvm::X86Disassembler::VEX_PREFIX_66, wFromEVEX3of4, wFromREX, wFromVEX3of3, wFromXOP3of3, llvm::X86Disassembler::InternalInstruction::xAcquireRelease, xFromEVEX2of4, xFromVEX2of3, and xFromXOP2of3.

Referenced by llvm::X86Disassembler::decodeInstruction().

readSIB()

static int readSIB ( struct InternalInstruction *  insn )

static

Definition at line 1161 of file X86DisassemblerDecoder.cpp.

References llvm::X86Disassembler::InternalInstruction::addressSize, baseFromSIB, bFromREX, consumeByte(), llvm::X86Disassembler::InternalInstruction::consumedSIB, dbgprintf(), debug, llvm::X86Disassembler::EA_DISP_32, llvm::X86Disassembler::EA_DISP_8, llvm::X86Disassembler::InternalInstruction::eaDisplacement, indexFromSIB, modFromModRM, llvm::X86Disassembler::InternalInstruction::modRM, llvm::X86Disassembler::InternalInstruction::rexPrefix, scaleFromSIB, llvm::X86Disassembler::InternalInstruction::sib, llvm::X86Disassembler::SIB_BASE_NONE, llvm::X86Disassembler::SIB_INDEX_NONE, llvm::X86Disassembler::InternalInstruction::sibBase, llvm::X86Disassembler::InternalInstruction::sibIndex, llvm::X86Disassembler::InternalInstruction::sibIndexBase, llvm::X86Disassembler::InternalInstruction::sibScale, and xFromREX.

Referenced by readModRM().

readVVVV()

static int readVVVV ( struct InternalInstruction *  insn )

static

Definition at line 1674 of file X86DisassemblerDecoder.cpp.

References dbgprintf(), llvm::X86Disassembler::InternalInstruction::mode, llvm::X86Disassembler::MODE_64BIT, llvm::X86Disassembler::TYPE_EVEX, llvm::X86Disassembler::TYPE_VEX_2B, llvm::X86Disassembler::TYPE_VEX_3B, llvm::X86Disassembler::TYPE_XOP, v2FromEVEX4of4, llvm::X86Disassembler::InternalInstruction::vectorExtensionPrefix, llvm::X86Disassembler::InternalInstruction::vectorExtensionType, llvm::X86Disassembler::InternalInstruction::vvvv, vvvvFromEVEX3of4, vvvvFromVEX2of2, vvvvFromVEX3of3, and vvvvFromXOP3of3.

Referenced by readOperands().

setPrefixPresent()

static void setPrefixPresent ( struct InternalInstruction *  insn, uint8_t  prefix  )

static

Definition at line 298 of file X86DisassemblerDecoder.cpp.

References llvm::X86Disassembler::InternalInstruction::hasLockPrefix, isREX(), lookAtByte(), llvm::X86Disassembler::InternalInstruction::mandatoryPrefix, nextByte(), and llvm::X86Disassembler::InternalInstruction::repeatPrefix.

Referenced by readPrefixes().

specifierForUID()

static const struct InstructionSpecifier* specifierForUID ( InstrUID  uid )

static

Definition at line 189 of file X86DisassemblerDecoder.cpp.

References INSTRUCTIONS_SYM.

Referenced by getID().

unconsumeByte()

static void unconsumeByte ( struct InternalInstruction *  insn )

static

Definition at line 223 of file X86DisassemblerDecoder.cpp.

References llvm::X86Disassembler::InternalInstruction::readerCursor.

Referenced by readPrefixes().