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📄 AArch64TargetParser.def(12.01 KB)
📄 AArch64TargetParser.h(4.89 KB)
📄 AMDGPUMetadata.h(17.98 KB)
📄 AMDHSAKernelDescriptor.h(7.63 KB)
📄 ARMAttributeParser.h(3.2 KB)
📄 ARMBuildAttributes.h(8.6 KB)
📄 ARMEHABI.h(3.72 KB)
📄 ARMTargetParser.def(18.94 KB)
📄 ARMTargetParser.h(8.76 KB)
📄 ARMWinEH.h(18.27 KB)
📄 AlignOf.h(1.56 KB)
📄 Alignment.h(12.95 KB)
📄 Allocator.h(16.54 KB)
📄 AllocatorBase.h(3.87 KB)
📄 ArrayRecycler.h(4.78 KB)
📄 Atomic.h(1.09 KB)
📄 AtomicOrdering.h(6.01 KB)
📄 Automaton.h(9.64 KB)
📄 Base64.h(1.84 KB)
📄 BinaryByteStream.h(9.14 KB)
📄 BinaryItemStream.h(3.63 KB)
📄 BinaryStream.h(3.75 KB)
📄 BinaryStreamArray.h(12.46 KB)
📄 BinaryStreamError.h(1.29 KB)
📄 BinaryStreamReader.h(11.01 KB)
📄 BinaryStreamRef.h(10.09 KB)
📄 BinaryStreamWriter.h(7.79 KB)
📄 BlockFrequency.h(2.41 KB)
📄 BranchProbability.h(7.92 KB)
📄 BuryPointer.h(1.03 KB)
📄 CBindingWrapping.h(1.86 KB)
📄 CFGDiff.h(9.95 KB)
📄 CFGUpdate.h(4.12 KB)
📄 COM.h(1004 B)
📄 CRC.h(1.63 KB)
📄 CachePruning.h(3.5 KB)
📄 Capacity.h(972 B)
📄 Casting.h(13.92 KB)
📄 CheckedArithmetic.h(3.71 KB)
📄 Chrono.h(5.78 KB)
📄 CodeGen.h(1.96 KB)
📄 CodeGenCoverage.h(1.18 KB)
📄 CommandLine.h(71.22 KB)
📄 Compiler.h(19.5 KB)
📄 Compression.h(1.39 KB)
📄 ConvertUTF.h(11.4 KB)
📄 CrashRecoveryContext.h(9.26 KB)
📄 DJB.h(1.05 KB)
📄 DOTGraphTraits.h(5.58 KB)
📄 DataExtractor.h(30.28 KB)
📄 DataTypes.h(775 B)
📄 Debug.h(4.7 KB)
📄 DebugCounter.h(7.01 KB)
📄 DynamicLibrary.h(5.77 KB)
📄 ELFAttributeParser.h(2.22 KB)
📄 ELFAttributes.h(1.02 KB)
📄 Endian.h(14.28 KB)
📄 EndianStream.h(1.93 KB)
📄 Errc.h(3.8 KB)
📄 Errno.h(1.45 KB)
📄 Error.h(43.82 KB)
📄 ErrorHandling.h(6.39 KB)
📄 ErrorOr.h(7.48 KB)
📄 ExtensibleRTTI.h(4.02 KB)
📄 FileCheck.h(6.69 KB)
📄 FileCollector.h(3.74 KB)
📄 FileOutputBuffer.h(3.36 KB)
📄 FileSystem.h(53.03 KB)
📄 FileUtilities.h(3.83 KB)
📄 Format.h(9.45 KB)
📄 FormatAdapters.h(3.38 KB)
📄 FormatCommon.h(2.05 KB)
📄 FormatProviders.h(15.27 KB)
📄 FormatVariadic.h(9.88 KB)
📄 FormatVariadicDetails.h(5.3 KB)
📄 FormattedStream.h(6.42 KB)
📄 GenericDomTree.h(30.89 KB)
📄 GenericDomTreeConstruction.h(63.42 KB)
📄 GenericIteratedDominanceFrontier.h(7.31 KB)
📄 GlobPattern.h(1.35 KB)
📄 GraphWriter.h(11.79 KB)
📄 Host.h(2.68 KB)
📄 InitLLVM.h(1.79 KB)
📄 ItaniumManglingCanonicalizer.h(3.17 KB)
📄 JSON.h(28.25 KB)
📄 KnownBits.h(8.35 KB)
📄 LEB128.h(5.74 KB)
📄 LineIterator.h(2.62 KB)
📄 Locale.h(223 B)
📄 LockFileManager.h(3.13 KB)
📄 LowLevelTypeImpl.h(11.94 KB)
📄 MD5.h(3.39 KB)
📄 MSVCErrorWorkarounds.h(2.62 KB)
📄 MachineValueType.h(42.37 KB)
📄 ManagedStatic.h(4.21 KB)
📄 MathExtras.h(32.81 KB)
📄 MemAlloc.h(3.21 KB)
📄 Memory.h(6.94 KB)
📄 MemoryBuffer.h(10.98 KB)
📄 MipsABIFlags.h(3.92 KB)
📄 Mutex.h(2.14 KB)
📄 NativeFormatting.h(1.64 KB)
📄 OnDiskHashTable.h(21.97 KB)
📄 OptimizedStructLayout.h(5.89 KB)
📄 Parallel.h(5.99 KB)
📄 Path.h(15.6 KB)
📄 PluginLoader.h(1.29 KB)
📄 PointerLikeTypeTraits.h(5.69 KB)
📄 PrettyStackTrace.h(4.45 KB)
📄 Printable.h(1.5 KB)
📄 Process.h(9.31 KB)
📄 Program.h(10.35 KB)
📄 RISCVAttributeParser.h(1.15 KB)
📄 RISCVAttributes.h(1.2 KB)
📄 RISCVTargetParser.def(446 B)
📄 RWMutex.h(5.65 KB)
📄 RandomNumberGenerator.h(2.29 KB)
📄 Recycler.h(3.47 KB)
📄 RecyclingAllocator.h(2.38 KB)
📄 Regex.h(4.37 KB)
📄 Registry.h(5.14 KB)
📄 ReverseIteration.h(360 B)
📄 SHA1.h(2.37 KB)
📄 SMLoc.h(1.78 KB)
📄 SMTAPI.h(16.33 KB)
📄 SaveAndRestore.h(1.02 KB)
📄 ScaledNumber.h(30.65 KB)
📄 ScopedPrinter.h(11.39 KB)
📄 Signals.h(5.22 KB)
📄 Signposts.h(1.29 KB)
📄 SmallVectorMemoryBuffer.h(2.28 KB)
📁 Solaris
📄 SourceMgr.h(10.37 KB)
📄 SpecialCaseList.h(6.01 KB)
📄 StringSaver.h(1.94 KB)
📄 SuffixTree.h(13.15 KB)
📄 SwapByteOrder.h(4.8 KB)
📄 SymbolRemappingReader.h(4.36 KB)
📄 SystemUtils.h(1.02 KB)
📄 TarWriter.h(941 B)
📄 TargetOpcodes.def(22.01 KB)
📄 TargetParser.h(4.08 KB)
📄 TargetRegistry.h(46.87 KB)
📄 TargetSelect.h(6.2 KB)
📄 TaskQueue.h(4.24 KB)
📄 ThreadLocal.h(2.08 KB)
📄 ThreadPool.h(3.44 KB)
📄 Threading.h(10.62 KB)
📄 TimeProfiler.h(3.46 KB)
📄 Timer.h(8.93 KB)
📄 ToolOutputFile.h(2.24 KB)
📄 TrailingObjects.h(15.19 KB)
📄 TrigramIndex.h(2.84 KB)
📄 TypeName.h(2.13 KB)
📄 TypeSize.h(8.53 KB)
📄 Unicode.h(2.5 KB)
📄 UnicodeCharRanges.h(3.27 KB)
📄 Valgrind.h(1.16 KB)
📄 VersionTuple.h(5.22 KB)
📄 VirtualFileSystem.h(28.28 KB)
📄 Watchdog.h(1.15 KB)
📄 Win64EH.h(4.82 KB)
📁 Windows
📄 WindowsError.h(541 B)
📄 WithColor.h(4.64 KB)
📄 X86DisassemblerDecoderCommon.h(29.39 KB)
📄 X86TargetParser.def(8.21 KB)
📄 X86TargetParser.h(3.57 KB)
📄 YAMLParser.h(16.29 KB)
📄 YAMLTraits.h(67.62 KB)
📄 circular_raw_ostream.h(4.97 KB)
📄 raw_os_ostream.h(1.29 KB)
📄 raw_ostream.h(20.82 KB)
📄 raw_sha1_ostream.h(1.29 KB)
📄 thread.h(1.33 KB)
📄 type_traits.h(6.75 KB)
📄 xxhash.h(1.92 KB)

Editing: X86DisassemblerDecoderCommon.h

//===-- X86DisassemblerDecoderCommon.h - Disassembler decoder ---*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file is part of the X86 Disassembler.
// It contains common definitions used by both the disassembler and the table
//  generator.
// Documentation for the disassembler can be found in X86Disassembler.h.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_LIB_TARGET_X86_DISASSEMBLER_X86DISASSEMBLERDECODERCOMMON_H
#define LLVM_LIB_TARGET_X86_DISASSEMBLER_X86DISASSEMBLERDECODERCOMMON_H

#include "llvm/Support/DataTypes.h"

namespace llvm {
namespace X86Disassembler {

#define INSTRUCTIONS_SYM  x86DisassemblerInstrSpecifiers
#define CONTEXTS_SYM      x86DisassemblerContexts
#define ONEBYTE_SYM       x86DisassemblerOneByteOpcodes
#define TWOBYTE_SYM       x86DisassemblerTwoByteOpcodes
#define THREEBYTE38_SYM   x86DisassemblerThreeByte38Opcodes
#define THREEBYTE3A_SYM   x86DisassemblerThreeByte3AOpcodes
#define XOP8_MAP_SYM      x86DisassemblerXOP8Opcodes
#define XOP9_MAP_SYM      x86DisassemblerXOP9Opcodes
#define XOPA_MAP_SYM      x86DisassemblerXOPAOpcodes
#define THREEDNOW_MAP_SYM x86Disassembler3DNowOpcodes

#define INSTRUCTIONS_STR  "x86DisassemblerInstrSpecifiers"
#define CONTEXTS_STR      "x86DisassemblerContexts"
#define ONEBYTE_STR       "x86DisassemblerOneByteOpcodes"
#define TWOBYTE_STR       "x86DisassemblerTwoByteOpcodes"
#define THREEBYTE38_STR   "x86DisassemblerThreeByte38Opcodes"
#define THREEBYTE3A_STR   "x86DisassemblerThreeByte3AOpcodes"
#define XOP8_MAP_STR      "x86DisassemblerXOP8Opcodes"
#define XOP9_MAP_STR      "x86DisassemblerXOP9Opcodes"
#define XOPA_MAP_STR      "x86DisassemblerXOPAOpcodes"
#define THREEDNOW_MAP_STR "x86Disassembler3DNowOpcodes"

// Attributes of an instruction that must be known before the opcode can be
// processed correctly.  Most of these indicate the presence of particular
// prefixes, but ATTR_64BIT is simply an attribute of the decoding context.
enum attributeBits {
  ATTR_NONE   = 0x00,
  ATTR_64BIT  = 0x1 << 0,
  ATTR_XS     = 0x1 << 1,
  ATTR_XD     = 0x1 << 2,
  ATTR_REXW   = 0x1 << 3,
  ATTR_OPSIZE = 0x1 << 4,
  ATTR_ADSIZE = 0x1 << 5,
  ATTR_VEX    = 0x1 << 6,
  ATTR_VEXL   = 0x1 << 7,
  ATTR_EVEX   = 0x1 << 8,
  ATTR_EVEXL2 = 0x1 << 9,
  ATTR_EVEXK  = 0x1 << 10,
  ATTR_EVEXKZ = 0x1 << 11,
  ATTR_EVEXB  = 0x1 << 12,
  ATTR_max    = 0x1 << 13,
};

// Combinations of the above attributes that are relevant to instruction
// decode. Although other combinations are possible, they can be reduced to
// these without affecting the ultimately decoded instruction.

//           Class name           Rank  Rationale for rank assignment
#define INSTRUCTION_CONTEXTS                                                   \
  ENUM_ENTRY(IC,                    0,  "says nothing about the instruction")  \
  ENUM_ENTRY(IC_64BIT,              1,  "says the instruction applies in "     \
                                        "64-bit mode but no more")             \
  ENUM_ENTRY(IC_OPSIZE,             3,  "requires an OPSIZE prefix, so "       \
                                        "operands change width")               \
  ENUM_ENTRY(IC_ADSIZE,             3,  "requires an ADSIZE prefix, so "       \
                                        "operands change width")               \
  ENUM_ENTRY(IC_OPSIZE_ADSIZE,      4,  "requires ADSIZE and OPSIZE prefixes") \
  ENUM_ENTRY(IC_XD,                 2,  "may say something about the opcode "  \
                                        "but not the operands")                \
  ENUM_ENTRY(IC_XS,                 2,  "may say something about the opcode "  \
                                        "but not the operands")                \
  ENUM_ENTRY(IC_XD_OPSIZE,          3,  "requires an OPSIZE prefix, so "       \
                                        "operands change width")               \
  ENUM_ENTRY(IC_XS_OPSIZE,          3,  "requires an OPSIZE prefix, so "       \
                                        "operands change width")               \
  ENUM_ENTRY(IC_XD_ADSIZE,          3,  "requires an ADSIZE prefix, so "       \
                                        "operands change width")               \
  ENUM_ENTRY(IC_XS_ADSIZE,          3,  "requires an ADSIZE prefix, so "       \
                                        "operands change width")               \
  ENUM_ENTRY(IC_64BIT_REXW,         5,  "requires a REX.W prefix, so operands "\
                                        "change width; overrides IC_OPSIZE")   \
  ENUM_ENTRY(IC_64BIT_REXW_ADSIZE,  6,  "requires a REX.W prefix and 0x67 "    \
                                        "prefix")                              \
  ENUM_ENTRY(IC_64BIT_OPSIZE,       3,  "Just as meaningful as IC_OPSIZE")     \
  ENUM_ENTRY(IC_64BIT_ADSIZE,       3,  "Just as meaningful as IC_ADSIZE")     \
  ENUM_ENTRY(IC_64BIT_OPSIZE_ADSIZE, 4, "Just as meaningful as IC_OPSIZE/"     \
                                        "IC_ADSIZE")                           \
  ENUM_ENTRY(IC_64BIT_XD,           6,  "XD instructions are SSE; REX.W is "   \
                                        "secondary")                           \
  ENUM_ENTRY(IC_64BIT_XS,           6,  "Just as meaningful as IC_64BIT_XD")   \
  ENUM_ENTRY(IC_64BIT_XD_OPSIZE,    3,  "Just as meaningful as IC_XD_OPSIZE")  \
  ENUM_ENTRY(IC_64BIT_XS_OPSIZE,    3,  "Just as meaningful as IC_XS_OPSIZE")  \
  ENUM_ENTRY(IC_64BIT_XD_ADSIZE,    3,  "Just as meaningful as IC_XD_ADSIZE")  \
  ENUM_ENTRY(IC_64BIT_XS_ADSIZE,    3,  "Just as meaningful as IC_XS_ADSIZE")  \
  ENUM_ENTRY(IC_64BIT_REXW_XS,      7,  "OPSIZE could mean a different "       \
                                        "opcode")                              \
  ENUM_ENTRY(IC_64BIT_REXW_XD,      7,  "Just as meaningful as "               \
                                        "IC_64BIT_REXW_XS")                    \
  ENUM_ENTRY(IC_64BIT_REXW_OPSIZE,  8,  "The Dynamic Duo!  Prefer over all "   \
                                        "else because this changes most "      \
                                        "operands' meaning")                   \
  ENUM_ENTRY(IC_VEX,                1,  "requires a VEX prefix")               \
  ENUM_ENTRY(IC_VEX_XS,             2,  "requires VEX and the XS prefix")      \
  ENUM_ENTRY(IC_VEX_XD,             2,  "requires VEX and the XD prefix")      \
  ENUM_ENTRY(IC_VEX_OPSIZE,         2,  "requires VEX and the OpSize prefix")  \
  ENUM_ENTRY(IC_VEX_W,              3,  "requires VEX and the W prefix")       \
  ENUM_ENTRY(IC_VEX_W_XS,           4,  "requires VEX, W, and XS prefix")      \
  ENUM_ENTRY(IC_VEX_W_XD,           4,  "requires VEX, W, and XD prefix")      \
  ENUM_ENTRY(IC_VEX_W_OPSIZE,       4,  "requires VEX, W, and OpSize")         \
  ENUM_ENTRY(IC_VEX_L,              3,  "requires VEX and the L prefix")       \
  ENUM_ENTRY(IC_VEX_L_XS,           4,  "requires VEX and the L and XS prefix")\
  ENUM_ENTRY(IC_VEX_L_XD,           4,  "requires VEX and the L and XD prefix")\
  ENUM_ENTRY(IC_VEX_L_OPSIZE,       4,  "requires VEX, L, and OpSize")         \
  ENUM_ENTRY(IC_VEX_L_W,            4,  "requires VEX, L and W")               \
  ENUM_ENTRY(IC_VEX_L_W_XS,         5,  "requires VEX, L, W and XS prefix")    \
  ENUM_ENTRY(IC_VEX_L_W_XD,         5,  "requires VEX, L, W and XD prefix")    \
  ENUM_ENTRY(IC_VEX_L_W_OPSIZE,     5,  "requires VEX, L, W and OpSize")       \
  ENUM_ENTRY(IC_EVEX,               1,  "requires an EVEX prefix")             \
  ENUM_ENTRY(IC_EVEX_XS,            2,  "requires EVEX and the XS prefix")     \
  ENUM_ENTRY(IC_EVEX_XD,            2,  "requires EVEX and the XD prefix")     \
  ENUM_ENTRY(IC_EVEX_OPSIZE,        2,  "requires EVEX and the OpSize prefix") \
  ENUM_ENTRY(IC_EVEX_W,             3,  "requires EVEX and the W prefix")      \
  ENUM_ENTRY(IC_EVEX_W_XS,          4,  "requires EVEX, W, and XS prefix")     \
  ENUM_ENTRY(IC_EVEX_W_XD,          4,  "requires EVEX, W, and XD prefix")     \
  ENUM_ENTRY(IC_EVEX_W_OPSIZE,      4,  "requires EVEX, W, and OpSize")        \
  ENUM_ENTRY(IC_EVEX_L,             3,  "requires EVEX and the L prefix")       \
  ENUM_ENTRY(IC_EVEX_L_XS,          4,  "requires EVEX and the L and XS prefix")\
  ENUM_ENTRY(IC_EVEX_L_XD,          4,  "requires EVEX and the L and XD prefix")\
  ENUM_ENTRY(IC_EVEX_L_OPSIZE,      4,  "requires EVEX, L, and OpSize")         \
  ENUM_ENTRY(IC_EVEX_L_W,           3,  "requires EVEX, L and W")               \
  ENUM_ENTRY(IC_EVEX_L_W_XS,        4,  "requires EVEX, L, W and XS prefix")    \
  ENUM_ENTRY(IC_EVEX_L_W_XD,        4,  "requires EVEX, L, W and XD prefix")    \
  ENUM_ENTRY(IC_EVEX_L_W_OPSIZE,    4,  "requires EVEX, L, W and OpSize")       \
  ENUM_ENTRY(IC_EVEX_L2,            3,  "requires EVEX and the L2 prefix")       \
  ENUM_ENTRY(IC_EVEX_L2_XS,         4,  "requires EVEX and the L2 and XS prefix")\
  ENUM_ENTRY(IC_EVEX_L2_XD,         4,  "requires EVEX and the L2 and XD prefix")\
  ENUM_ENTRY(IC_EVEX_L2_OPSIZE,     4,  "requires EVEX, L2, and OpSize")         \
  ENUM_ENTRY(IC_EVEX_L2_W,          3,  "requires EVEX, L2 and W")               \
  ENUM_ENTRY(IC_EVEX_L2_W_XS,       4,  "requires EVEX, L2, W and XS prefix")    \
  ENUM_ENTRY(IC_EVEX_L2_W_XD,       4,  "requires EVEX, L2, W and XD prefix")    \
  ENUM_ENTRY(IC_EVEX_L2_W_OPSIZE,   4,  "requires EVEX, L2, W and OpSize")       \
  ENUM_ENTRY(IC_EVEX_K,             1,  "requires an EVEX_K prefix")             \
  ENUM_ENTRY(IC_EVEX_XS_K,          2,  "requires EVEX_K and the XS prefix")     \
  ENUM_ENTRY(IC_EVEX_XD_K,          2,  "requires EVEX_K and the XD prefix")     \
  ENUM_ENTRY(IC_EVEX_OPSIZE_K,      2,  "requires EVEX_K and the OpSize prefix") \
  ENUM_ENTRY(IC_EVEX_W_K,           3,  "requires EVEX_K and the W prefix")      \
  ENUM_ENTRY(IC_EVEX_W_XS_K,        4,  "requires EVEX_K, W, and XS prefix")     \
  ENUM_ENTRY(IC_EVEX_W_XD_K,        4,  "requires EVEX_K, W, and XD prefix")     \
  ENUM_ENTRY(IC_EVEX_W_OPSIZE_K,    4,  "requires EVEX_K, W, and OpSize")        \
  ENUM_ENTRY(IC_EVEX_L_K,           3,  "requires EVEX_K and the L prefix")       \
  ENUM_ENTRY(IC_EVEX_L_XS_K,        4,  "requires EVEX_K and the L and XS prefix")\
  ENUM_ENTRY(IC_EVEX_L_XD_K,        4,  "requires EVEX_K and the L and XD prefix")\
  ENUM_ENTRY(IC_EVEX_L_OPSIZE_K,    4,  "requires EVEX_K, L, and OpSize")         \
  ENUM_ENTRY(IC_EVEX_L_W_K,         3,  "requires EVEX_K, L and W")               \
  ENUM_ENTRY(IC_EVEX_L_W_XS_K,      4,  "requires EVEX_K, L, W and XS prefix")    \
  ENUM_ENTRY(IC_EVEX_L_W_XD_K,      4,  "requires EVEX_K, L, W and XD prefix")    \
  ENUM_ENTRY(IC_EVEX_L_W_OPSIZE_K,  4,  "requires EVEX_K, L, W and OpSize")       \
  ENUM_ENTRY(IC_EVEX_L2_K,          3,  "requires EVEX_K and the L2 prefix")       \
  ENUM_ENTRY(IC_EVEX_L2_XS_K,       4,  "requires EVEX_K and the L2 and XS prefix")\
  ENUM_ENTRY(IC_EVEX_L2_XD_K,       4,  "requires EVEX_K and the L2 and XD prefix")\
  ENUM_ENTRY(IC_EVEX_L2_OPSIZE_K,   4,  "requires EVEX_K, L2, and OpSize")         \
  ENUM_ENTRY(IC_EVEX_L2_W_K,        3,  "requires EVEX_K, L2 and W")               \
  ENUM_ENTRY(IC_EVEX_L2_W_XS_K,     4,  "requires EVEX_K, L2, W and XS prefix")    \
  ENUM_ENTRY(IC_EVEX_L2_W_XD_K,     4,  "requires EVEX_K, L2, W and XD prefix")    \
  ENUM_ENTRY(IC_EVEX_L2_W_OPSIZE_K, 4,  "requires EVEX_K, L2, W and OpSize")     \
  ENUM_ENTRY(IC_EVEX_B,             1,  "requires an EVEX_B prefix")             \
  ENUM_ENTRY(IC_EVEX_XS_B,          2,  "requires EVEX_B and the XS prefix")     \
  ENUM_ENTRY(IC_EVEX_XD_B,          2,  "requires EVEX_B and the XD prefix")     \
  ENUM_ENTRY(IC_EVEX_OPSIZE_B,      2,  "requires EVEX_B and the OpSize prefix") \
  ENUM_ENTRY(IC_EVEX_W_B,           3,  "requires EVEX_B and the W prefix")      \
  ENUM_ENTRY(IC_EVEX_W_XS_B,        4,  "requires EVEX_B, W, and XS prefix")     \
  ENUM_ENTRY(IC_EVEX_W_XD_B,        4,  "requires EVEX_B, W, and XD prefix")     \
  ENUM_ENTRY(IC_EVEX_W_OPSIZE_B,    4,  "requires EVEX_B, W, and OpSize")        \
  ENUM_ENTRY(IC_EVEX_L_B,           3,  "requires EVEX_B and the L prefix")       \
  ENUM_ENTRY(IC_EVEX_L_XS_B,        4,  "requires EVEX_B and the L and XS prefix")\
  ENUM_ENTRY(IC_EVEX_L_XD_B,        4,  "requires EVEX_B and the L and XD prefix")\
  ENUM_ENTRY(IC_EVEX_L_OPSIZE_B,    4,  "requires EVEX_B, L, and OpSize")         \
  ENUM_ENTRY(IC_EVEX_L_W_B,         3,  "requires EVEX_B, L and W")               \
  ENUM_ENTRY(IC_EVEX_L_W_XS_B,      4,  "requires EVEX_B, L, W and XS prefix")    \
  ENUM_ENTRY(IC_EVEX_L_W_XD_B,      4,  "requires EVEX_B, L, W and XD prefix")    \
  ENUM_ENTRY(IC_EVEX_L_W_OPSIZE_B,  4,  "requires EVEX_B, L, W and OpSize")       \
  ENUM_ENTRY(IC_EVEX_L2_B,          3,  "requires EVEX_B and the L2 prefix")       \
  ENUM_ENTRY(IC_EVEX_L2_XS_B,       4,  "requires EVEX_B and the L2 and XS prefix")\
  ENUM_ENTRY(IC_EVEX_L2_XD_B,       4,  "requires EVEX_B and the L2 and XD prefix")\
  ENUM_ENTRY(IC_EVEX_L2_OPSIZE_B,   4,  "requires EVEX_B, L2, and OpSize")         \
  ENUM_ENTRY(IC_EVEX_L2_W_B,        3,  "requires EVEX_B, L2 and W")               \
  ENUM_ENTRY(IC_EVEX_L2_W_XS_B,     4,  "requires EVEX_B, L2, W and XS prefix")    \
  ENUM_ENTRY(IC_EVEX_L2_W_XD_B,     4,  "requires EVEX_B, L2, W and XD prefix")    \
  ENUM_ENTRY(IC_EVEX_L2_W_OPSIZE_B, 4,  "requires EVEX_B, L2, W and OpSize")       \
  ENUM_ENTRY(IC_EVEX_K_B,           1,  "requires EVEX_B and EVEX_K prefix")             \
  ENUM_ENTRY(IC_EVEX_XS_K_B,        2,  "requires EVEX_B, EVEX_K and the XS prefix")     \
  ENUM_ENTRY(IC_EVEX_XD_K_B,        2,  "requires EVEX_B, EVEX_K and the XD prefix")     \
  ENUM_ENTRY(IC_EVEX_OPSIZE_K_B,    2,  "requires EVEX_B, EVEX_K and the OpSize prefix") \
  ENUM_ENTRY(IC_EVEX_W_K_B,         3,  "requires EVEX_B, EVEX_K and the W prefix")      \
  ENUM_ENTRY(IC_EVEX_W_XS_K_B,      4,  "requires EVEX_B, EVEX_K, W, and XS prefix")     \
  ENUM_ENTRY(IC_EVEX_W_XD_K_B,      4,  "requires EVEX_B, EVEX_K, W, and XD prefix")     \
  ENUM_ENTRY(IC_EVEX_W_OPSIZE_K_B,  4,  "requires EVEX_B, EVEX_K, W, and OpSize")        \
  ENUM_ENTRY(IC_EVEX_L_K_B,         3,  "requires EVEX_B, EVEX_K and the L prefix")       \
  ENUM_ENTRY(IC_EVEX_L_XS_K_B,      4,  "requires EVEX_B, EVEX_K and the L and XS prefix")\
  ENUM_ENTRY(IC_EVEX_L_XD_K_B,      4,  "requires EVEX_B, EVEX_K and the L and XD prefix")\
  ENUM_ENTRY(IC_EVEX_L_OPSIZE_K_B,  4,  "requires EVEX_B, EVEX_K, L, and OpSize")         \
  ENUM_ENTRY(IC_EVEX_L_W_K_B,       3,  "requires EVEX_B, EVEX_K, L and W")               \
  ENUM_ENTRY(IC_EVEX_L_W_XS_K_B,    4,  "requires EVEX_B, EVEX_K, L, W and XS prefix")    \
  ENUM_ENTRY(IC_EVEX_L_W_XD_K_B,    4,  "requires EVEX_B, EVEX_K, L, W and XD prefix")    \
  ENUM_ENTRY(IC_EVEX_L_W_OPSIZE_K_B,4,  "requires EVEX_B, EVEX_K, L, W and OpSize")       \
  ENUM_ENTRY(IC_EVEX_L2_K_B,        3,  "requires EVEX_B, EVEX_K and the L2 prefix")       \
  ENUM_ENTRY(IC_EVEX_L2_XS_K_B,     4,  "requires EVEX_B, EVEX_K and the L2 and XS prefix")\
  ENUM_ENTRY(IC_EVEX_L2_XD_K_B,     4,  "requires EVEX_B, EVEX_K and the L2 and XD prefix")\
  ENUM_ENTRY(IC_EVEX_L2_OPSIZE_K_B, 4,  "requires EVEX_B, EVEX_K, L2, and OpSize")         \
  ENUM_ENTRY(IC_EVEX_L2_W_K_B,      3,  "requires EVEX_B, EVEX_K, L2 and W")               \
  ENUM_ENTRY(IC_EVEX_L2_W_XS_K_B,   4,  "requires EVEX_B, EVEX_K, L2, W and XS prefix")    \
  ENUM_ENTRY(IC_EVEX_L2_W_XD_K_B,   4,  "requires EVEX_B, EVEX_K, L2, W and XD prefix")    \
  ENUM_ENTRY(IC_EVEX_L2_W_OPSIZE_K_B,4,  "requires EVEX_B, EVEX_K, L2, W and OpSize")       \
  ENUM_ENTRY(IC_EVEX_KZ_B,           1,  "requires EVEX_B and EVEX_KZ prefix")             \
  ENUM_ENTRY(IC_EVEX_XS_KZ_B,        2,  "requires EVEX_B, EVEX_KZ and the XS prefix")     \
  ENUM_ENTRY(IC_EVEX_XD_KZ_B,        2,  "requires EVEX_B, EVEX_KZ and the XD prefix")     \
  ENUM_ENTRY(IC_EVEX_OPSIZE_KZ_B,    2,  "requires EVEX_B, EVEX_KZ and the OpSize prefix") \
  ENUM_ENTRY(IC_EVEX_W_KZ_B,         3,  "requires EVEX_B, EVEX_KZ and the W prefix")      \
  ENUM_ENTRY(IC_EVEX_W_XS_KZ_B,      4,  "requires EVEX_B, EVEX_KZ, W, and XS prefix")     \
  ENUM_ENTRY(IC_EVEX_W_XD_KZ_B,      4,  "requires EVEX_B, EVEX_KZ, W, and XD prefix")     \
  ENUM_ENTRY(IC_EVEX_W_OPSIZE_KZ_B,  4,  "requires EVEX_B, EVEX_KZ, W, and OpSize")        \
  ENUM_ENTRY(IC_EVEX_L_KZ_B,           3,  "requires EVEX_B, EVEX_KZ and the L prefix")       \
  ENUM_ENTRY(IC_EVEX_L_XS_KZ_B,        4,  "requires EVEX_B, EVEX_KZ and the L and XS prefix")\
  ENUM_ENTRY(IC_EVEX_L_XD_KZ_B,        4,  "requires EVEX_B, EVEX_KZ and the L and XD prefix")\
  ENUM_ENTRY(IC_EVEX_L_OPSIZE_KZ_B,    4,  "requires EVEX_B, EVEX_KZ, L, and OpSize")         \
  ENUM_ENTRY(IC_EVEX_L_W_KZ_B,         3,  "requires EVEX_B, EVEX_KZ, L and W")               \
  ENUM_ENTRY(IC_EVEX_L_W_XS_KZ_B,      4,  "requires EVEX_B, EVEX_KZ, L, W and XS prefix")    \
  ENUM_ENTRY(IC_EVEX_L_W_XD_KZ_B,      4,  "requires EVEX_B, EVEX_KZ, L, W and XD prefix")    \
  ENUM_ENTRY(IC_EVEX_L_W_OPSIZE_KZ_B,  4,  "requires EVEX_B, EVEX_KZ, L, W and OpSize")       \
  ENUM_ENTRY(IC_EVEX_L2_KZ_B,          3,  "requires EVEX_B, EVEX_KZ and the L2 prefix")       \
  ENUM_ENTRY(IC_EVEX_L2_XS_KZ_B,       4,  "requires EVEX_B, EVEX_KZ and the L2 and XS prefix")\
  ENUM_ENTRY(IC_EVEX_L2_XD_KZ_B,       4,  "requires EVEX_B, EVEX_KZ and the L2 and XD prefix")\
  ENUM_ENTRY(IC_EVEX_L2_OPSIZE_KZ_B,   4,  "requires EVEX_B, EVEX_KZ, L2, and OpSize")         \
  ENUM_ENTRY(IC_EVEX_L2_W_KZ_B,        3,  "requires EVEX_B, EVEX_KZ, L2 and W")               \
  ENUM_ENTRY(IC_EVEX_L2_W_XS_KZ_B,     4,  "requires EVEX_B, EVEX_KZ, L2, W and XS prefix")    \
  ENUM_ENTRY(IC_EVEX_L2_W_XD_KZ_B,     4,  "requires EVEX_B, EVEX_KZ, L2, W and XD prefix")    \
  ENUM_ENTRY(IC_EVEX_L2_W_OPSIZE_KZ_B, 4,  "requires EVEX_B, EVEX_KZ, L2, W and OpSize")       \
  ENUM_ENTRY(IC_EVEX_KZ,             1,  "requires an EVEX_KZ prefix")             \
  ENUM_ENTRY(IC_EVEX_XS_KZ,          2,  "requires EVEX_KZ and the XS prefix")     \
  ENUM_ENTRY(IC_EVEX_XD_KZ,          2,  "requires EVEX_KZ and the XD prefix")     \
  ENUM_ENTRY(IC_EVEX_OPSIZE_KZ,      2,  "requires EVEX_KZ and the OpSize prefix") \
  ENUM_ENTRY(IC_EVEX_W_KZ,           3,  "requires EVEX_KZ and the W prefix")      \
  ENUM_ENTRY(IC_EVEX_W_XS_KZ,        4,  "requires EVEX_KZ, W, and XS prefix")     \
  ENUM_ENTRY(IC_EVEX_W_XD_KZ,        4,  "requires EVEX_KZ, W, and XD prefix")     \
  ENUM_ENTRY(IC_EVEX_W_OPSIZE_KZ,    4,  "requires EVEX_KZ, W, and OpSize")        \
  ENUM_ENTRY(IC_EVEX_L_KZ,           3,  "requires EVEX_KZ and the L prefix")       \
  ENUM_ENTRY(IC_EVEX_L_XS_KZ,        4,  "requires EVEX_KZ and the L and XS prefix")\
  ENUM_ENTRY(IC_EVEX_L_XD_KZ,        4,  "requires EVEX_KZ and the L and XD prefix")\
  ENUM_ENTRY(IC_EVEX_L_OPSIZE_KZ,    4,  "requires EVEX_KZ, L, and OpSize")         \
  ENUM_ENTRY(IC_EVEX_L_W_KZ,         3,  "requires EVEX_KZ, L and W")               \
  ENUM_ENTRY(IC_EVEX_L_W_XS_KZ,      4,  "requires EVEX_KZ, L, W and XS prefix")    \
  ENUM_ENTRY(IC_EVEX_L_W_XD_KZ,      4,  "requires EVEX_KZ, L, W and XD prefix")    \
  ENUM_ENTRY(IC_EVEX_L_W_OPSIZE_KZ,  4,  "requires EVEX_KZ, L, W and OpSize")       \
  ENUM_ENTRY(IC_EVEX_L2_KZ,          3,  "requires EVEX_KZ and the L2 prefix")       \
  ENUM_ENTRY(IC_EVEX_L2_XS_KZ,       4,  "requires EVEX_KZ and the L2 and XS prefix")\
  ENUM_ENTRY(IC_EVEX_L2_XD_KZ,       4,  "requires EVEX_KZ and the L2 and XD prefix")\
  ENUM_ENTRY(IC_EVEX_L2_OPSIZE_KZ,   4,  "requires EVEX_KZ, L2, and OpSize")         \
  ENUM_ENTRY(IC_EVEX_L2_W_KZ,        3,  "requires EVEX_KZ, L2 and W")               \
  ENUM_ENTRY(IC_EVEX_L2_W_XS_KZ,     4,  "requires EVEX_KZ, L2, W and XS prefix")    \
  ENUM_ENTRY(IC_EVEX_L2_W_XD_KZ,     4,  "requires EVEX_KZ, L2, W and XD prefix")    \
  ENUM_ENTRY(IC_EVEX_L2_W_OPSIZE_KZ, 4,  "requires EVEX_KZ, L2, W and OpSize")

#define ENUM_ENTRY(n, r, d) n,
enum InstructionContext {
  INSTRUCTION_CONTEXTS
  IC_max
};
#undef ENUM_ENTRY

// Opcode types, which determine which decode table to use, both in the Intel
// manual and also for the decoder.
enum OpcodeType {
  ONEBYTE       = 0,
  TWOBYTE       = 1,
  THREEBYTE_38  = 2,
  THREEBYTE_3A  = 3,
  XOP8_MAP      = 4,
  XOP9_MAP      = 5,
  XOPA_MAP      = 6,
  THREEDNOW_MAP = 7
};

// The following structs are used for the hierarchical decode table.  After
// determining the instruction's class (i.e., which IC_* constant applies to
// it), the decoder reads the opcode.  Some instructions require specific
// values of the ModR/M byte, so the ModR/M byte indexes into the final table.
//
// If a ModR/M byte is not required, "required" is left unset, and the values
// for each instructionID are identical.
typedef uint16_t InstrUID;

// ModRMDecisionType - describes the type of ModR/M decision, allowing the
// consumer to determine the number of entries in it.
//
// MODRM_ONEENTRY - No matter what the value of the ModR/M byte is, the decoded
//                  instruction is the same.
// MODRM_SPLITRM  - If the ModR/M byte is between 0x00 and 0xbf, the opcode
//                  corresponds to one instruction; otherwise, it corresponds to
//                  a different instruction.
// MODRM_SPLITMISC- If the ModR/M byte is between 0x00 and 0xbf, ModR/M byte
//                  divided by 8 is used to select instruction; otherwise, each
//                  value of the ModR/M byte could correspond to a different
//                  instruction.
// MODRM_SPLITREG - ModR/M byte divided by 8 is used to select instruction. This
//                  corresponds to instructions that use reg field as opcode
// MODRM_FULL     - Potentially, each value of the ModR/M byte could correspond
//                  to a different instruction.
#define MODRMTYPES            \
  ENUM_ENTRY(MODRM_ONEENTRY)  \
  ENUM_ENTRY(MODRM_SPLITRM)   \
  ENUM_ENTRY(MODRM_SPLITMISC)  \
  ENUM_ENTRY(MODRM_SPLITREG)  \
  ENUM_ENTRY(MODRM_FULL)

#define ENUM_ENTRY(n) n,
enum ModRMDecisionType {
  MODRMTYPES
  MODRM_max
};
#undef ENUM_ENTRY

#define CASE_ENCODING_RM     \
    case ENCODING_RM:        \
    case ENCODING_RM_CD2:    \
    case ENCODING_RM_CD4:    \
    case ENCODING_RM_CD8:    \
    case ENCODING_RM_CD16:   \
    case ENCODING_RM_CD32:   \
    case ENCODING_RM_CD64

#define CASE_ENCODING_VSIB   \
    case ENCODING_VSIB:      \
    case ENCODING_VSIB_CD2:  \
    case ENCODING_VSIB_CD4:  \
    case ENCODING_VSIB_CD8:  \
    case ENCODING_VSIB_CD16: \
    case ENCODING_VSIB_CD32: \
    case ENCODING_VSIB_CD64

// Physical encodings of instruction operands.
#define ENCODINGS                                                              \
  ENUM_ENTRY(ENCODING_NONE,   "")                                              \
  ENUM_ENTRY(ENCODING_REG,    "Register operand in ModR/M byte.")              \
  ENUM_ENTRY(ENCODING_RM,     "R/M operand in ModR/M byte.")                   \
  ENUM_ENTRY(ENCODING_RM_CD2, "R/M operand with CDisp scaling of 2")           \
  ENUM_ENTRY(ENCODING_RM_CD4, "R/M operand with CDisp scaling of 4")           \
  ENUM_ENTRY(ENCODING_RM_CD8, "R/M operand with CDisp scaling of 8")           \
  ENUM_ENTRY(ENCODING_RM_CD16,"R/M operand with CDisp scaling of 16")          \
  ENUM_ENTRY(ENCODING_RM_CD32,"R/M operand with CDisp scaling of 32")          \
  ENUM_ENTRY(ENCODING_RM_CD64,"R/M operand with CDisp scaling of 64")          \
  ENUM_ENTRY(ENCODING_SIB,      "Force SIB operand in ModR/M byte.")           \
  ENUM_ENTRY(ENCODING_VSIB,     "VSIB operand in ModR/M byte.")                \
  ENUM_ENTRY(ENCODING_VSIB_CD2, "VSIB operand with CDisp scaling of 2")        \
  ENUM_ENTRY(ENCODING_VSIB_CD4, "VSIB operand with CDisp scaling of 4")        \
  ENUM_ENTRY(ENCODING_VSIB_CD8, "VSIB operand with CDisp scaling of 8")        \
  ENUM_ENTRY(ENCODING_VSIB_CD16,"VSIB operand with CDisp scaling of 16")       \
  ENUM_ENTRY(ENCODING_VSIB_CD32,"VSIB operand with CDisp scaling of 32")       \
  ENUM_ENTRY(ENCODING_VSIB_CD64,"VSIB operand with CDisp scaling of 64")       \
  ENUM_ENTRY(ENCODING_VVVV,   "Register operand in VEX.vvvv byte.")            \
  ENUM_ENTRY(ENCODING_WRITEMASK, "Register operand in EVEX.aaa byte.")         \
  ENUM_ENTRY(ENCODING_IB,     "1-byte immediate")                              \
  ENUM_ENTRY(ENCODING_IW,     "2-byte")                                        \
  ENUM_ENTRY(ENCODING_ID,     "4-byte")                                        \
  ENUM_ENTRY(ENCODING_IO,     "8-byte")                                        \
  ENUM_ENTRY(ENCODING_RB,     "(AL..DIL, R8B..R15B) Register code added to "   \
                              "the opcode byte")                               \
  ENUM_ENTRY(ENCODING_RW,     "(AX..DI, R8W..R15W)")                           \
  ENUM_ENTRY(ENCODING_RD,     "(EAX..EDI, R8D..R15D)")                         \
  ENUM_ENTRY(ENCODING_RO,     "(RAX..RDI, R8..R15)")                           \
  ENUM_ENTRY(ENCODING_FP,     "Position on floating-point stack in ModR/M "    \
                              "byte.")                                         \
                                                                               \
  ENUM_ENTRY(ENCODING_Iv,     "Immediate of operand size")                     \
  ENUM_ENTRY(ENCODING_Ia,     "Immediate of address size")                     \
  ENUM_ENTRY(ENCODING_IRC,    "Immediate for static rounding control")         \
  ENUM_ENTRY(ENCODING_Rv,     "Register code of operand size added to the "    \
                              "opcode byte")                                   \
  ENUM_ENTRY(ENCODING_CC,     "Condition code encoded in opcode")              \
  ENUM_ENTRY(ENCODING_DUP,    "Duplicate of another operand; ID is encoded "   \
                              "in type")                                       \
  ENUM_ENTRY(ENCODING_SI,     "Source index; encoded in OpSize/Adsize prefix") \
  ENUM_ENTRY(ENCODING_DI,     "Destination index; encoded in prefixes")

#define ENUM_ENTRY(n, d) n,
enum OperandEncoding {
  ENCODINGS
  ENCODING_max
};
#undef ENUM_ENTRY

// Semantic interpretations of instruction operands.
#define TYPES                                                                  \
  ENUM_ENTRY(TYPE_NONE,       "")                                              \
  ENUM_ENTRY(TYPE_REL,        "immediate address")                             \
  ENUM_ENTRY(TYPE_R8,         "1-byte register operand")                       \
  ENUM_ENTRY(TYPE_R16,        "2-byte")                                        \
  ENUM_ENTRY(TYPE_R32,        "4-byte")                                        \
  ENUM_ENTRY(TYPE_R64,        "8-byte")                                        \
  ENUM_ENTRY(TYPE_IMM,        "immediate operand")                             \
  ENUM_ENTRY(TYPE_UIMM8,      "1-byte unsigned immediate operand")             \
  ENUM_ENTRY(TYPE_M,          "Memory operand")                                \
  ENUM_ENTRY(TYPE_MSIB,       "Memory operand force sib encoding")             \
  ENUM_ENTRY(TYPE_MVSIBX,     "Memory operand using XMM index")                \
  ENUM_ENTRY(TYPE_MVSIBY,     "Memory operand using YMM index")                \
  ENUM_ENTRY(TYPE_MVSIBZ,     "Memory operand using ZMM index")                \
  ENUM_ENTRY(TYPE_SRCIDX,     "memory at source index")                        \
  ENUM_ENTRY(TYPE_DSTIDX,     "memory at destination index")                   \
  ENUM_ENTRY(TYPE_MOFFS,      "memory offset (relative to segment base)")      \
  ENUM_ENTRY(TYPE_ST,         "Position on the floating-point stack")          \
  ENUM_ENTRY(TYPE_MM64,       "8-byte MMX register")                           \
  ENUM_ENTRY(TYPE_XMM,        "16-byte")                                       \
  ENUM_ENTRY(TYPE_YMM,        "32-byte")                                       \
  ENUM_ENTRY(TYPE_ZMM,        "64-byte")                                       \
  ENUM_ENTRY(TYPE_VK,         "mask register")                                 \
  ENUM_ENTRY(TYPE_VK_PAIR,    "mask register pair")                            \
  ENUM_ENTRY(TYPE_TMM,        "tile")                                          \
  ENUM_ENTRY(TYPE_SEGMENTREG, "Segment register operand")                      \
  ENUM_ENTRY(TYPE_DEBUGREG,   "Debug register operand")                        \
  ENUM_ENTRY(TYPE_CONTROLREG, "Control register operand")                      \
  ENUM_ENTRY(TYPE_BNDR,       "MPX bounds register")                           \
                                                                               \
  ENUM_ENTRY(TYPE_Rv,         "Register operand of operand size")              \
  ENUM_ENTRY(TYPE_RELv,       "Immediate address of operand size")             \
  ENUM_ENTRY(TYPE_DUP0,       "Duplicate of operand 0")                        \
  ENUM_ENTRY(TYPE_DUP1,       "operand 1")                                     \
  ENUM_ENTRY(TYPE_DUP2,       "operand 2")                                     \
  ENUM_ENTRY(TYPE_DUP3,       "operand 3")                                     \
  ENUM_ENTRY(TYPE_DUP4,       "operand 4")                                     \

#define ENUM_ENTRY(n, d) n,
enum OperandType {
  TYPES
  TYPE_max
};
#undef ENUM_ENTRY

/// The specification for how to extract and interpret one operand.
struct OperandSpecifier {
  uint8_t encoding;
  uint8_t type;
};

static const unsigned X86_MAX_OPERANDS = 6;

/// Decoding mode for the Intel disassembler.  16-bit, 32-bit, and 64-bit mode
/// are supported, and represent real mode, IA-32e, and IA-32e in 64-bit mode,
/// respectively.
enum DisassemblerMode {
  MODE_16BIT,
  MODE_32BIT,
  MODE_64BIT
};

} // namespace X86Disassembler
} // namespace llvm

#endif

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