// [AsmJit] // Machine Code Generation for C++. // // [License] // Zlib - See LICENSE.md file in the package. // ============================================================================ // tablegen-x86.js // // The purpose of this script is to fetch all instructions' names into a single // string and to optimize common patterns that appear in instruction data. It // prevents relocation of small strings (instruction names) that has to be done // by a linker to make all pointers the binary application/library uses valid. // This approach decreases the final size of AsmJit binary and relocation data. // // NOTE: This script relies on 'asmdb' package. Either install it by using // node.js package manager (npm) or by copying/symlinking the whole asmdb // directory as [asmjit]/tools/asmdb. // ============================================================================ "use strict"; const core = require("./tablegen.js"); const asmdb = core.asmdb; const kIndent = core.kIndent; const Lang = core.Lang; const CxxUtils = core.CxxUtils; const MapUtils = core.MapUtils; const ArrayUtils = core.ArrayUtils; const StringUtils = core.StringUtils; const IndexedArray = core.IndexedArray; const hasOwn = Object.prototype.hasOwnProperty; const disclaimer = StringUtils.disclaimer; const FAIL = core.FAIL; const DEBUG = core.DEBUG; const decToHex = StringUtils.decToHex; // ============================================================================ // [tablegen.x86.x86isa] // ============================================================================ // Create the X86 database and add some special cases recognized by AsmJit. const x86isa = new asmdb.x86.ISA({ instructions: [ // Imul in [reg, imm] form is encoded as [reg, reg, imm]. ["imul", "r16, ib" , "RMI" , "66 6B /r ib" , "ANY OF=W SF=W ZF=U AF=U PF=U CF=W"], ["imul", "r32, ib" , "RMI" , "6B /r ib" , "ANY OF=W SF=W ZF=U AF=U PF=U CF=W"], ["imul", "r64, ib" , "RMI" , "REX.W 6B /r ib", "X64 OF=W SF=W ZF=U AF=U PF=U CF=W"], ["imul", "r16, iw" , "RMI" , "66 69 /r iw" , "ANY OF=W SF=W ZF=U AF=U PF=U CF=W"], ["imul", "r32, id" , "RMI" , "69 /r id" , "ANY OF=W SF=W ZF=U AF=U PF=U CF=W"], ["imul", "r64, id" , "RMI" , "REX.W 69 /r id", "X64 OF=W SF=W ZF=U AF=U PF=U CF=W"] ] }); // Remapped instructions contain mapping between instructions that AsmJit expects // and instructions provided by asmdb. In general, AsmJit uses string instructions // (like cmps, movs, etc...) without the suffix, so we just remap these and keep // all others. const RemappedInsts = { __proto__: null, "cmpsd": { names: ["cmpsd"] , rep: false }, "movsd": { names: ["movsd"] , rep: false }, "cmps" : { names: ["cmpsb", "cmpsw", "cmpsd", "cmpsq"], rep: true }, "movs" : { names: ["movsb", "movsw", "movsd", "movsq"], rep: true }, "lods" : { names: ["lodsb", "lodsw", "lodsd", "lodsq"], rep: null }, "scas" : { names: ["scasb", "scasw", "scasd", "scasq"], rep: null }, "stos" : { names: ["stosb", "stosw", "stosd", "stosq"], rep: null }, "ins" : { names: ["insb" , "insw" , "insd" ] , rep: null }, "outs" : { names: ["outsb", "outsw", "outsd"] , rep: null } }; // ============================================================================ // [tablegen.x86.Filter] // ============================================================================ class Filter { static unique(instArray) { const result = []; const known = {}; for (var i = 0; i < instArray.length; i++) { const inst = instArray[i]; if (inst.attributes.AltForm) continue; const s = inst.operands.map((op) => { return op.isImm() ? "imm" : op.toString(); }).join(", "); if (known[s] === true) continue; known[s] = true; result.push(inst); } return result; } static noAltForm(instArray) { const result = []; for (var i = 0; i < instArray.length; i++) { const inst = instArray[i]; if (inst.attributes.AltForm) continue; result.push(inst); } return result; } static byArch(instArray, arch) { return instArray.filter(function(inst) { return inst.arch === "ANY" || inst.arch === arch; }); } } // ============================================================================ // [tablegen.x86.GenUtils] // ============================================================================ class GenUtils { static cpuArchOf(dbInsts) { var anyArch = false; var x86Arch = false; var x64Arch = false; for (var i = 0; i < dbInsts.length; i++) { const dbInst = dbInsts[i]; if (dbInst.arch === "ANY") anyArch = true; if (dbInst.arch === "X86") x86Arch = true; if (dbInst.arch === "X64") x64Arch = true; } return anyArch || (x86Arch && x64Arch) ? "" : x86Arch ? "(X86)" : "(X64)"; } static cpuFeaturesOf(dbInsts) { return ArrayUtils.sorted(dbInsts.unionCpuFeatures()); } static flagsOf(dbInsts) { function replace(map, a, b, c) { if (map[a] && map[b]) { delete map[a]; delete map[b]; map[c] = true; } } const f = Object.create(null); var i, j; var mib = dbInsts.length > 0 && /^(?:bndldx|bndstx)$/.test(dbInsts[0].name); if (mib) f.Mib = true; var mmx = false; var vec = false; for (i = 0; i < dbInsts.length; i++) { const dbInst = dbInsts[i]; const operands = dbInst.operands; if (dbInst.name === "emms") mmx = true; if (dbInst.name === "vzeroall" || dbInst.name === "vzeroupper") vec = true; for (j = 0; j < operands.length; j++) { const op = operands[j]; if (op.reg === "mm") mmx = true; else if (/^(k|xmm|ymm|zmm)$/.test(op.reg)) { vec = true; } } } if (mmx) f.Mmx = true; if (vec) f.Vec = true; for (i = 0; i < dbInsts.length; i++) { const dbInst = dbInsts[i]; const operands = dbInst.operands; if (dbInst.attributes.Lock ) f.Lock = true; if (dbInst.attributes.XAcquire ) f.XAcquire = true; if (dbInst.attributes.XRelease ) f.XRelease = true; if (dbInst.attributes.REP ) f.Rep = true; if (dbInst.attributes.REPNE ) f.Rep = true; if (dbInst.attributes.RepIgnored) f.RepIgnored = true; if (dbInst.fpu) { for (var j = 0; j < operands.length; j++) { const op = operands[j]; if (op.memSize === 16) f.FpuM16 = true; if (op.memSize === 32) f.FpuM32 = true; if (op.memSize === 64) f.FpuM64 = true; if (op.memSize === 80) f.FpuM80 = true; } } if (dbInst.vsibReg) f.Vsib = true; if (dbInst.prefix === "VEX" || dbInst.prefix === "XOP") f.Vex = true; if (dbInst.prefix === "EVEX") { f.Evex = true; if (dbInst.kmask) f.Avx512K = true; if (dbInst.zmask) f.Avx512Z = true; if (dbInst.er) f.Avx512ER = true; if (dbInst.sae) f.Avx512SAE = true; if (dbInst.broadcast) f["Avx512B" + String(dbInst.elementSize)] = true; if (dbInst.tupleType === "T1_4X") f.Avx512T4X = true; } } replace(f, "Avx512K" , "Avx512Z" , "Avx512KZ"); replace(f, "Avx512ER" , "Avx512SAE" , "Avx512ER_SAE"); replace(f, "Avx512KZ" , "Avx512SAE" , "Avx512KZ_SAE"); replace(f, "Avx512KZ" , "Avx512ER_SAE", "Avx512KZ_ER_SAE"); replace(f, "Avx512K" , "Avx512B32" , "Avx512K_B32"); replace(f, "Avx512K" , "Avx512B64" , "Avx512K_B64"); replace(f, "Avx512KZ" , "Avx512B32" , "Avx512KZ_B32"); replace(f, "Avx512KZ" , "Avx512B64" , "Avx512KZ_B64"); replace(f, "Avx512KZ_SAE" , "Avx512B32" , "Avx512KZ_SAE_B32"); replace(f, "Avx512KZ_SAE" , "Avx512B64" , "Avx512KZ_SAE_B64"); replace(f, "Avx512KZ_ER_SAE", "Avx512B32" , "Avx512KZ_ER_SAE_B32"); replace(f, "Avx512KZ_ER_SAE", "Avx512B64" , "Avx512KZ_ER_SAE_B64"); return Object.getOwnPropertyNames(f); } static eqOps(aOps, aFrom, bOps, bFrom) { var x = 0; for (;;) { const aIndex = x + aFrom; const bIndex = x + bFrom; const aOut = aIndex >= aOps.length; const bOut = bIndex >= bOps.length; if (aOut || bOut) return !!(aOut && bOut); const aOp = aOps[aIndex]; const bOp = bOps[bIndex]; if (aOp.data !== bOp.data) return false; x++; } } static singleRegCase(name) { switch (name) { case "xchg" : case "and" : case "pand" : case "vpand" : case "vpandd" : case "vpandq" : case "andpd" : case "vandpd" : case "andps" : case "vandps" : case "or" : case "por" : case "vpor" : case "vpord" : case "vporq" : case "orpd" : case "vorpd" : case "orps" : case "vorps" : case "pminsb" : case "vpminsb": case "pmaxsb" : case "vpmaxsb" : case "pminsw" : case "vpminsw": case "pmaxsw" : case "vpmaxsw" : case "pminsd" : case "vpminsd": case "pmaxsd" : case "vpmaxsd" : case "pminub" : case "vpminub": case "pmaxub" : case "vpmaxub" : case "pminuw" : case "vpminuw": case "pmaxuw" : case "vpmaxuw" : case "pminud" : case "vpminud": case "pmaxud" : case "vpmaxud" : return "RO"; case "pandn" : case "vpandn" : case "vpandnd" : case "vpandnq" : case "xor" : case "pxor" : case "vpxor" : case "vpxord" : case "vpxorq" : case "xorpd" : case "vxorpd" : case "xorps" : case "vxorps" : case "sub" : case "psubb" : case "vpsubb" : case "psubw" : case "vpsubw" : case "psubd" : case "vpsubd" : case "psubq" : case "vpsubq" : case "psubsb" : case "vpsubsb": case "psubusb" : case "vpsubusb" : case "psubsw" : case "vpsubsw": case "psubusw" : case "vpsubusw" : case "vpcmpeqb": case "pcmpeqb": case "vpcmpgtb": case "pcmpgtb" : case "vpcmpeqw": case "pcmpeqw": case "vpcmpgtw": case "pcmpgtw" : case "vpcmpeqd": case "pcmpeqd": case "vpcmpgtd": case "pcmpgtd" : case "vpcmpeqq": case "pcmpeqq": case "vpcmpgtq": case "pcmpgtq" : case "vpcmpb" : case "vpcmpub": case "vpcmpd" : case "vpcmpud": case "vpcmpw" : case "vpcmpuw": case "vpcmpq" : case "vpcmpuq": return "WO"; default: return "None"; } } static fixedRegOf(reg) { switch (reg) { case "es" : return 1; case "cs" : return 2; case "ss" : return 3; case "ds" : return 4; case "fs" : return 5; case "gs" : return 6; case "ah" : return 0; case "ch" : return 1; case "dh" : return 2; case "bh" : return 3; case "al" : case "ax": case "eax": case "rax": case "zax": return 0; case "cl" : case "cx": case "ecx": case "rcx": case "zcx": return 1; case "dl" : case "dx": case "edx": case "rdx": case "zdx": return 2; case "bl" : case "bx": case "ebx": case "rbx": case "zbx": return 3; case "spl" : case "sp": case "esp": case "rsp": case "zsp": return 4; case "bpl" : case "bp": case "ebp": case "rbp": case "zbp": return 5; case "sil" : case "si": case "esi": case "rsi": case "zsi": return 6; case "dil" : case "di": case "edi": case "rdi": case "zdi": return 7; case "st0" : return 0; case "xmm0": return 0; case "ymm0": return 0; case "zmm0": return 0; default: return -1; } } static controlType(dbInsts) { if (dbInsts.checkAttribute("Control", "Jump")) return "Jump"; if (dbInsts.checkAttribute("Control", "Call")) return "Call"; if (dbInsts.checkAttribute("Control", "Branch")) return "Branch"; if (dbInsts.checkAttribute("Control", "Return")) return "Return"; return "None"; } } // ============================================================================ // [tablegen.x86.X86TableGen] // ============================================================================ class X86TableGen extends core.TableGen { constructor() { super("X86"); } // -------------------------------------------------------------------------- // [Query] // -------------------------------------------------------------------------- // Get instructions (dbInsts) having the same name as understood by AsmJit. query(name) { const remapped = RemappedInsts[name]; if (!remapped) return x86isa.query(name); const dbInsts = x86isa.query(remapped.names); const rep = remapped.rep; if (rep === null) return dbInsts; return dbInsts.filter((inst) => { return rep === !!(inst.attributes.REP || inst.attributes.REPNE); }); } // -------------------------------------------------------------------------- // [Parse / Merge] // -------------------------------------------------------------------------- parse() { const data = this.dataOfFile("src/asmjit/x86/x86instdb.cpp"); const re = new RegExp( "INST\\(" + "([A-Za-z0-9_]+)\\s*" + "," + // [01] Instruction. "([^,]+)" + "," + // [02] Encoding. "(.{26}[^,]*)" + "," + // [03] Opcode[0]. "(.{26}[^,]*)" + "," + // [04] Opcode[1]. // --- autogenerated fields --- "([^\\)]+)" + "," + // [05] MainOpcodeIndex. "([^\\)]+)" + "," + // [06] AltOpcodeIndex. "([^\\)]+)" + "," + // [07] NameIndex. "([^\\)]+)" + "," + // [08] CommonDataIndex. "([^\\)]+)" + "\\)", // [09] OperationDataIndex. "g"); var m; while ((m = re.exec(data)) !== null) { var enum_ = m[1]; var name = enum_ === "None" ? "" : enum_.toLowerCase(); var encoding = m[2].trim(); var opcode0 = m[3].trim(); var opcode1 = m[4].trim(); const dbInsts = this.query(name); if (name && !dbInsts.length) FAIL(`Instruction '${name}' not found in asmdb`); const flags = GenUtils.flagsOf(dbInsts); const controlType = GenUtils.controlType(dbInsts); const singleRegCase = GenUtils.singleRegCase(name); this.addInst({ id : 0, // Instruction id (numeric value). name : name, // Instruction name. enum : enum_, // Instruction enum without `kId` prefix. dbInsts : dbInsts, // All dbInsts returned from asmdb query. encoding : encoding, // Instruction encoding. opcode0 : opcode0, // Primary opcode. opcode1 : opcode1, // Secondary opcode. flags : flags, signatures : null, // Instruction signatures. controlType : controlType, singleRegCase : singleRegCase, mainOpcodeValue : -1, // Main opcode value (0.255 hex). mainOpcodeIndex : -1, // Index to InstDB::_mainOpcodeTable. altOpcodeIndex : -1, // Index to InstDB::_altOpcodeTable. nameIndex : -1, // Index to InstDB::_nameData. commonInfoIndexA : -1, commomInfoIndexB : -1, signatureIndex : -1, signatureCount : -1 }); } if (this.insts.length === 0) FAIL("X86TableGen.parse(): Invalid parsing regexp (no data parsed)"); console.log("Number of Instructions: " + this.insts.length); } merge() { var s = StringUtils.format(this.insts, "", true, function(inst) { return "INST(" + String(inst.enum ).padEnd(17) + ", " + String(inst.encoding ).padEnd(19) + ", " + String(inst.opcode0 ).padEnd(26) + ", " + String(inst.opcode1 ).padEnd(26) + ", " + String(inst.mainOpcodeIndex ).padEnd( 3) + ", " + String(inst.altOpcodeIndex ).padEnd( 3) + ", " + String(inst.nameIndex ).padEnd( 5) + ", " + String(inst.commonInfoIndexA).padEnd( 3) + ", " + String(inst.commomInfoIndexB).padEnd( 3) + ")"; }) + "\n"; this.inject("InstInfo", s, this.insts.length * 8); } // -------------------------------------------------------------------------- // [Other] // -------------------------------------------------------------------------- printMissing() { const ignored = MapUtils.arrayToMap([ "cmpsb", "cmpsw", "cmpsd", "cmpsq", "lodsb", "lodsw", "lodsd", "lodsq", "movsb", "movsw", "movsd", "movsq", "scasb", "scasw", "scasd", "scasq", "stosb", "stosw", "stosd", "stosq", "insb" , "insw" , "insd" , "outsb", "outsw", "outsd", "wait" // Maps to `fwait`, which AsmJit uses instead. ]); var out = ""; x86isa.instructionNames.forEach(function(name) { var dbInsts = x86isa.query(name); if (!this.instMap[name] && ignored[name] !== true) { console.log(`MISSING INSTRUCTION '${name}'`); var inst = this.newInstFromGroup(dbInsts); if (inst) { out += " INST(" + String(inst.enum ).padEnd(17) + ", " + String(inst.encoding ).padEnd(19) + ", " + String(inst.opcode0 ).padEnd(26) + ", " + String(inst.opcode1 ).padEnd(26) + ", " + String("0" ).padEnd( 4) + ", " + String("0" ).padEnd( 3) + ", " + String("0" ).padEnd( 3) + "),\n"; } } }, this); console.log(out); } newInstFromGroup(dbInsts) { function composeOpCode(obj) { return `${obj.type}(${obj.prefix},${obj.opcode},${obj.o},${obj.l},${obj.w},${obj.ew},${obj.en},${obj.tt})`; } function GetAccess(dbInst) { var operands = dbInst.operands; if (!operands.length) return ""; var op = operands[0]; if (op.read && op.write) return "RW"; else if (op.read) return "RO"; else return "WO"; } function isVecPrefix(s) { return s === "VEX" || s === "EVEX" || s === "XOP"; } var dbi = dbInsts[0]; var id = this.insts.length; var name = dbi.name; var enum_ = name[0].toUpperCase() + name.substr(1); var opcode = dbi.opcodeHex; var rm = dbi.rm; var mm = dbi.mm; var pp = dbi.pp; var encoding = dbi.encoding; var isVec = isVecPrefix(dbi.prefix); var access = GetAccess(dbi); var vexL = undefined; var vexW = undefined; var evexW = undefined; for (var i = 0; i < dbInsts.length; i++) { dbi = dbInsts[i]; if (dbi.prefix === "VEX" || dbi.prefix === "XOP") { var newVexL = String(dbi.l === "128" ? 0 : dbi.l === "256" ? 1 : dbi.l === "512" ? 2 : "_"); var newVexW = String(dbi.w === "W0" ? 0 : dbi.w === "W1" ? 1 : "_"); if (vexL !== undefined && vexL !== newVexL) vexL = "x"; else vexL = newVexL; if (vexW !== undefined && vexW !== newVexW) vexW = "x"; else vexW = newVexW; } if (dbi.prefix === "EVEX") { var newEvexW = String(dbi.w === "W0" ? 0 : dbi.w === "W1" ? 1 : "_"); if (evexW !== undefined && evexW !== newEvexW) evexW = "x"; else evexW = newEvexW; } if (opcode !== dbi.opcodeHex ) { console.log(`ISSUE: Opcode ${opcode} != ${dbi.opcodeHex}`); return null; } if (rm !== dbi.rm ) { console.log(`ISSUE: RM ${rm} != ${dbi.rm}`); return null; } if (mm !== dbi.mm ) { console.log(`ISSUE: MM ${mm} != ${dbi.mm}`); return null; } if (pp !== dbi.pp ) { console.log(`ISSUE: PP ${pp} != ${dbi.pp}`); return null; } if (encoding !== dbi.encoding ) { console.log(`ISSUE: Enc ${encoding} != ${dbi.encoding}`); return null; } if (access !== GetAccess(dbi)) { console.log(`ISSUE: Access ${access} != ${GetAccess(dbi)}`); return null; } if (isVec != isVecPrefix(dbi.prefix)) { console.log(`ISSUE: Vex/Non-Vex mismatch`); return null; } } var ppmm = pp.padEnd(2).replace(/ /g, "0") + mm.padEnd(4).replace(/ /g, "0") ; var composed = composeOpCode({ type : isVec ? "V" : "O", prefix: ppmm, opcode: opcode, o : rm === "r" ? "_" : (rm ? rm : "_"), l : vexL !== undefined ? vexL : "_", w : vexW !== undefined ? vexW : "_", ew : evexW !== undefined ? evexW : "_", en : "_", tt : "_ " }); return { id : id, name : name, enum : enum_, encoding : encoding, opcode0 : composed, opcode1 : "0", nameIndex : -1, commonInfoIndexA : -1, commomInfoIndexB : -1 }; } // -------------------------------------------------------------------------- // [Hooks] // -------------------------------------------------------------------------- onBeforeRun() { this.load([ "src/asmjit/x86/x86globals.h", "src/asmjit/x86/x86instdb.cpp", "src/asmjit/x86/x86instdb.h", "src/asmjit/x86/x86instdb_p.h" ]); this.parse(); } onAfterRun() { this.merge(); this.save(); this.dumpTableSizes(); this.printMissing(); } } // ============================================================================ // [tablegen.x86.IdEnum] // ============================================================================ class IdEnum extends core.IdEnum { constructor() { super("IdEnum"); } comment(inst) { function filterAVX(features, avx) { return features.filter(function(item) { return /^(AVX|FMA)/.test(item) === avx; }); } var dbInsts = inst.dbInsts; if (!dbInsts.length) return "Invalid instruction id."; var text = ""; var features = GenUtils.cpuFeaturesOf(dbInsts); if (features.length) { text += "{"; const avxFeatures = filterAVX(features, true); const otherFeatures = filterAVX(features, false); const vl = avxFeatures.indexOf("AVX512_VL"); if (vl !== -1) avxFeatures.splice(vl, 1); const fma = avxFeatures.indexOf("FMA"); if (fma !== -1) { avxFeatures.splice(fma, 1); avxFeatures.splice(0, 0, "FMA"); } text += avxFeatures.join("|"); if (vl !== -1) text += "+VL"; if (otherFeatures.length) text += (avxFeatures.length ? " & " : "") + otherFeatures.join("|"); text += "}"; } var arch = GenUtils.cpuArchOf(dbInsts); if (arch) text += (text ? " " : "") + arch; return `Instruction '${inst.name}'${(text ? " " + text : "")}.`; } } // ============================================================================ // [tablegen.x86.NameTable] // ============================================================================ class NameTable extends core.NameTable { constructor() { super("NameTable"); } } // ============================================================================ // [tablegen.x86.AltOpcodeTable] // ============================================================================ class AltOpcodeTable extends core.Task { constructor() { super("AltOpcodeTable"); } run() { const insts = this.ctx.insts; const mainOpcodeTable = new IndexedArray(); const altOpcodeTable = new IndexedArray(); mainOpcodeTable.addIndexed("O(000000,00,0,0,0,0,0,_ )"); function indexOpcode(opcode) { if (opcode === "0") return ["00", 0]; // O_FPU(__,__OP,_) if (opcode.startsWith("O_FPU(")) { var value = opcode.substring(11, 13); var remaining = opcode.substring(0, 11) + "00" + opcode.substring(13); return [value, mainOpcodeTable.addIndexed(remaining.padEnd(26))]; } // X(______,OP,_,_,_,_,_,_ ) if (opcode.startsWith("O_FPU(") || opcode.startsWith("O(") || opcode.startsWith("V(")) { var value = opcode.substring(9, 11); var remaining = opcode.substring(0, 9) + "00" + opcode.substring(11); remaining = remaining.replace(/,[_xI],/g, ",0,"); remaining = remaining.replace(/,[_xI],/g, ",0,"); return [value, mainOpcodeTable.addIndexed(remaining.padEnd(26))]; } FAIL(`Failed to process opcode '${opcode}'`); } insts.map((inst) => { const [value, index] = indexOpcode(inst.opcode0); inst.mainOpcodeValue = value; inst.mainOpcodeIndex = index; inst.altOpcodeIndex = altOpcodeTable.addIndexed(inst.opcode1.padEnd(26)); }); // console.log(mainOpcodeTable.length); // console.log(StringUtils.format(mainOpcodeTable, kIndent, true)); this.inject("MainOpcodeTable", disclaimer(`const uint32_t InstDB::_mainOpcodeTable[] = {\n${StringUtils.format(mainOpcodeTable, kIndent, true)}\n};\n`), mainOpcodeTable.length * 4); this.inject("AltOpcodeTable", disclaimer(`const uint32_t InstDB::_altOpcodeTable[] = {\n${StringUtils.format(altOpcodeTable, kIndent, true)}\n};\n`), altOpcodeTable.length * 4); } } // ============================================================================ // [tablegen.x86.SseToAvxTable] // ============================================================================ /* // Removed from asmjit. class InstSseToAvxTable extends core.Task { constructor() { super("InstSseToAvxTable", ["IdEnum"]); } run() { const insts = this.ctx.insts; const dataTable = new IndexedArray(); const indexTable = []; function add(data) { return dataTable.addIndexed("{ " + `SseToAvxData::kMode${data.mode}`.padEnd(28) + ", " + String(data.delta).padEnd(4) + " }"); } // This will receive a zero index, which means that no SseToAvx or AvxToSSe translation is possible. const kInvalidIndex = add({ mode: "None", delta: 0 }); insts.forEach((inst) => { indexTable.push(kInvalidIndex); }); insts.forEach((inst) => { // If it's not `kInvalidIndex` it's an AVX instruction that shares the // SseToAvx data. We won't touch it as it already has the index assigned. if (indexTable[inst.id] === kInvalidIndex) { const data = this.calcSseToAvxData(inst.dbInsts); const index = add(data); indexTable[inst.id] = index; if (data.delta !== 0) indexTable[this.ctx.instMap["v" + inst.name].id] = index; } }); this.inject("SseToAvxIndex", disclaimer(`static const uint8_t sseToAvxIndex[] = {\n${StringUtils.format(indexTable, kIndent, -1)}\n};\n`), indexTable.length * 1); this.inject("SseToAvxTable", disclaimer(`static const SseToAvxData sseToAvxData[] = {\n${StringUtils.format(dataTable, kIndent, true)}\n};\n`), dataTable.length * 2); } filterSseToAvx(dbInsts) { const filtered = []; for (var x = 0; x < dbInsts.length; x++) { const dbInst = dbInsts[x]; const ops = dbInst.operands; // SSE instruction does never share its name with AVX one. if (/^(VEX|XOP|EVEX)$/.test(dbInst.prefix)) return []; var ok = false; for (var y = 0; y < ops.length; y++) { // There is no AVX instruction that works with MMX regs. if (ops[y].reg === "mm") { ok = false; break; } if (ops[y].reg === "xmm") { ok = true; } } if (ok) filtered.push(dbInst); } return filtered; } calcSseToAvxData(dbInsts) { const data = { mode : "None", // No conversion by default. delta: 0 // 0 if no conversion is possible. }; const dbSseInsts = this.filterSseToAvx(dbInsts); if (!dbSseInsts.length) return data; const sseName = dbSseInsts[0].name; const avxName = "v" + sseName; const dbAvxInsts = this.ctx.query(avxName); if (!dbAvxInsts.length) { DEBUG(`SseToAvx: Instruction '${sseName}' has no AVX counterpart`); return data; } if (avxName === "vblendvpd" || avxName === "vblendvps" || avxName === "vpblendvb") { // Special cases first. data.mode = "Blend"; } else { // Common case, deduce conversion mode by checking both SSE and AVX instructions. const map = Object.create(null); for (var sseIndex = 0; sseIndex < dbSseInsts.length; sseIndex++) { const sseInst = dbSseInsts[sseIndex]; var match = false; for (var avxIndex = 0; avxIndex < dbAvxInsts.length; avxIndex++) { const avxInst = dbAvxInsts[avxIndex]; // Select only VEX instructions. if (avxInst.prefix !== "VEX") continue; // Check if the AVX version is the same. if (GenUtils.eqOps(avxInst.operands, 0, sseInst.operands, 0)) { map.raw = true; match = true; } else if (avxInst.operands[0].data === "xmm" && GenUtils.eqOps(avxInst.operands, 1, sseInst.operands, 0)) { map.nds = true; match = true; } } if (!match) { const signature = sseInst.operands.map(function(op) { return op.data; }).join(", "); console.log(`SseToAvx: Instruction '${sseName}(${signature})' has no AVX counterpart`); return data; } } data.mode = (map.raw && !map.nds) ? "Move" : (map.raw && map.nds) ? "MoveIfMem" : "Extend"; } data.delta = this.ctx.instMap[avxName].id - this.ctx.instMap[sseName].id; return data; } } */ // ============================================================================ // [tablegen.x86.InstSignatureTable] // ============================================================================ const RegOp = MapUtils.arrayToMap(["al", "ah", "ax", "eax", "rax", "cl", "r8lo", "r8hi", "r16", "r32", "r64", "xmm", "ymm", "zmm", "mm", "k", "sreg", "creg", "dreg", "st", "bnd"]); const MemOp = MapUtils.arrayToMap(["m8", "m16", "m32", "m48", "m64", "m80", "m128", "m256", "m512", "m1024"]); const cmpOp = StringUtils.makePriorityCompare([ "r8lo", "r8hi", "r16", "r32", "r64", "xmm", "ymm", "zmm", "mm", "k", "sreg", "creg", "dreg", "st", "bnd", "mem", "vm", "m8", "m16", "m32", "m48", "m64", "m80", "m128", "m256", "m512", "m1024", "mib", "vm32x", "vm32y", "vm32z", "vm64x", "vm64y", "vm64z", "memBase", "memES", "memDS", "i4", "u4", "i8", "u8", "i16", "u16", "i32", "u32", "i64", "u64", "rel8", "rel32", "implicit" ]); const OpToAsmJitOp = { "implicit": "F(Implicit)", "r8lo" : "F(GpbLo)", "r8hi" : "F(GpbHi)", "r16" : "F(Gpw)", "r32" : "F(Gpd)", "r64" : "F(Gpq)", "xmm" : "F(Xmm)", "ymm" : "F(Ymm)", "zmm" : "F(Zmm)", "mm" : "F(Mm)", "k" : "F(KReg)", "sreg" : "F(SReg)", "creg" : "F(CReg)", "dreg" : "F(DReg)", "st" : "F(St)", "bnd" : "F(Bnd)", "mem" : "F(Mem)", "vm" : "F(Vm)", "i4" : "F(I4)", "u4" : "F(U4)", "i8" : "F(I8)", "u8" : "F(U8)", "i16" : "F(I16)", "u16" : "F(U16)", "i32" : "F(I32)", "u32" : "F(U32)", "i64" : "F(I64)", "u64" : "F(U64)", "rel8" : "F(Rel8)", "rel32" : "F(Rel32)", "m8" : "M(M8)", "m16" : "M(M16)", "m32" : "M(M32)", "m48" : "M(M48)", "m64" : "M(M64)", "m80" : "M(M80)", "m128" : "M(M128)", "m256" : "M(M256)", "m512" : "M(M512)", "m1024" : "M(M1024)", "mib" : "M(Mib)", "mAny" : "M(Any)", "vm32x" : "M(Vm32x)", "vm32y" : "M(Vm32y)", "vm32z" : "M(Vm32z)", "vm64x" : "M(Vm64x)", "vm64y" : "M(Vm64y)", "vm64z" : "M(Vm64z)", "memBase" : "M(BaseOnly)", "memDS" : "M(Ds)", "memES" : "M(Es)" }; function StringifyArray(a, map) { var s = ""; for (var i = 0; i < a.length; i++) { const op = a[i]; if (!hasOwn.call(map, op)) FAIL(`UNHANDLED OPERAND '${op}'`); s += (s ? " | " : "") + map[op]; } return s ? s : "0"; } class OSignature { constructor() { this.flags = Object.create(null); } equals(other) { return MapUtils.equals(this.flags, other.flags); } xor(other) { const result = MapUtils.xor(this.flags, other.flags); return Object.getOwnPropertyNames(result).length === 0 ? null : result; } mergeWith(other) { const af = this.flags; const bf = other.flags; var k; var indexKind = ""; var hasReg = false; for (k in af) { const index = asmdb.x86.Utils.regIndexOf(k); const kind = asmdb.x86.Utils.regKindOf(k); if (kind) hasReg = true; if (index !== null && index !== -1) indexKind = kind; } if (hasReg) { for (k in bf) { const index = asmdb.x86.Utils.regIndexOf(k); if (index !== null && index !== -1) { const kind = asmdb.x86.Utils.regKindOf(k); if (indexKind !== kind) return false; } } } // Can merge... for (k in bf) af[k] = true; return true; } simplify() { const flags = this.flags; // 32-bit register or 16-bit memory implies also 16-bit reg. if (flags.r32 && flags.m16) { flags.r16 = true; } // 32-bit register or 8-bit memory implies also 16-bit and 8-bit reg. if (flags.r32 && flags.m8) { flags.r8lo = true; flags.r8hi = true; flags.r16 = true; } } toString() { var s = ""; var flags = this.flags; for (var k in flags) { if (k === "read" || k === "write" || k === "implicit" || k === "memDS" || k === "memES") continue; var x = k; if (x === "memZAX") x = "zax"; if (x === "memZDI") x = "zdi"; if (x === "memZSI") x = "zsi"; s += (s ? "|" : "") + x; } if (flags.memDS) s = "ds:[" + s + "]"; if (flags.memES) s = "es:[" + s + "]"; if (flags.implicit) s = "<" + s + ">"; return s; } toAsmJitOpData() { var oFlags = this.flags; var mFlags = Object.create(null); var mMemFlags = Object.create(null); var mExtFlags = Object.create(null); var sRegMask = 0; for (var k in oFlags) { switch (k) { case "implicit": case "r8lo" : case "r8hi" : case "r16" : case "r32" : case "r64" : case "creg" : case "dreg" : case "sreg" : case "bnd" : case "st" : case "k" : case "mm" : case "xmm" : case "ymm" : case "zmm" : mFlags[k] = true; break; case "m8" : case "m16" : case "m32" : case "m48" : case "m64" : case "m80" : case "m128" : case "m256" : case "m512" : case "m1024" : mFlags.mem = true; mMemFlags[k] = true; break; case "mib" : mFlags.mem = true; mMemFlags.mib = true; break; case "mem" : mFlags.mem = true; mMemFlags.mAny = true; break; case "memBase" : mFlags.mem = true; mMemFlags.memBase = true; break; case "memDS" : mFlags.mem = true; mMemFlags.memDS = true; break; case "memES" : mFlags.mem = true; mMemFlags.memES = true; break; case "memZAX" : mFlags.mem = true; sRegMask |= 1 << 0; break; case "memZSI" : mFlags.mem = true; sRegMask |= 1 << 6; break; case "memZDI" : mFlags.mem = true; sRegMask |= 1 << 7; break; case "vm32x" : mFlags.vm = true; mMemFlags.vm32x = true; break; case "vm32y" : mFlags.vm = true; mMemFlags.vm32y = true; break; case "vm32z" : mFlags.vm = true; mMemFlags.vm32z = true; break; case "vm64x" : mFlags.vm = true; mMemFlags.vm64x = true; break; case "vm64y" : mFlags.vm = true; mMemFlags.vm64y = true; break; case "vm64z" : mFlags.vm = true; mMemFlags.vm64z = true; break; case "i4" : case "u4" : case "i8" : case "u8" : case "i16" : case "u16" : case "i32" : case "u32" : case "i64" : case "u64" : mFlags[k] = true; break; case "rel8" : case "rel32" : mFlags.i32 = true; mFlags.i64 = true; mFlags[k] = true; break; case "rel16" : mFlags.i32 = true; mFlags.i64 = true; mFlags.rel32 = true; break; default: { switch (k) { case "es" : mFlags.sreg = true; sRegMask |= 1 << 1; break; case "cs" : mFlags.sreg = true; sRegMask |= 1 << 2; break; case "ss" : mFlags.sreg = true; sRegMask |= 1 << 3; break; case "ds" : mFlags.sreg = true; sRegMask |= 1 << 4; break; case "fs" : mFlags.sreg = true; sRegMask |= 1 << 5; break; case "gs" : mFlags.sreg = true; sRegMask |= 1 << 6; break; case "al" : mFlags.r8lo = true; sRegMask |= 1 << 0; break; case "ah" : mFlags.r8hi = true; sRegMask |= 1 << 0; break; case "ax" : mFlags.r16 = true; sRegMask |= 1 << 0; break; case "eax" : mFlags.r32 = true; sRegMask |= 1 << 0; break; case "rax" : mFlags.r64 = true; sRegMask |= 1 << 0; break; case "cl" : mFlags.r8lo = true; sRegMask |= 1 << 1; break; case "ch" : mFlags.r8hi = true; sRegMask |= 1 << 1; break; case "cx" : mFlags.r16 = true; sRegMask |= 1 << 1; break; case "ecx" : mFlags.r32 = true; sRegMask |= 1 << 1; break; case "rcx" : mFlags.r64 = true; sRegMask |= 1 << 1; break; case "dl" : mFlags.r8lo = true; sRegMask |= 1 << 2; break; case "dh" : mFlags.r8hi = true; sRegMask |= 1 << 2; break; case "dx" : mFlags.r16 = true; sRegMask |= 1 << 2; break; case "edx" : mFlags.r32 = true; sRegMask |= 1 << 2; break; case "rdx" : mFlags.r64 = true; sRegMask |= 1 << 2; break; case "bl" : mFlags.r8lo = true; sRegMask |= 1 << 3; break; case "bh" : mFlags.r8hi = true; sRegMask |= 1 << 3; break; case "bx" : mFlags.r16 = true; sRegMask |= 1 << 3; break; case "ebx" : mFlags.r32 = true; sRegMask |= 1 << 3; break; case "rbx" : mFlags.r64 = true; sRegMask |= 1 << 3; break; case "si" : mFlags.r16 = true; sRegMask |= 1 << 6; break; case "esi" : mFlags.r32 = true; sRegMask |= 1 << 6; break; case "rsi" : mFlags.r64 = true; sRegMask |= 1 << 6; break; case "di" : mFlags.r16 = true; sRegMask |= 1 << 7; break; case "edi" : mFlags.r32 = true; sRegMask |= 1 << 7; break; case "rdi" : mFlags.r64 = true; sRegMask |= 1 << 7; break; case "st0" : mFlags.st = true; sRegMask |= 1 << 0; break; case "xmm0" : mFlags.xmm = true; sRegMask |= 1 << 0; break; case "ymm0" : mFlags.ymm = true; sRegMask |= 1 << 0; break; default: console.log(`UNKNOWN OPERAND '${k}'`); } } } } const sFlags = StringifyArray(ArrayUtils.sorted(mFlags , cmpOp), OpToAsmJitOp); const sMemFlags = StringifyArray(ArrayUtils.sorted(mMemFlags, cmpOp), OpToAsmJitOp); const sExtFlags = StringifyArray(ArrayUtils.sorted(mExtFlags, cmpOp), OpToAsmJitOp); return `ROW(${sFlags || 0}, ${sMemFlags || 0}, ${sExtFlags || 0}, ${decToHex(sRegMask, 2)})`; } } class ISignature extends Array { constructor(name) { super(); this.name = name; this.x86 = false; this.x64 = false; this.implicit = 0; // Number of implicit operands. } simplify() { for (var i = 0; i < this.length; i++) this[i].simplify(); } opEquals(other) { const len = this.length; if (len !== other.length) return false; for (var i = 0; i < len; i++) if (!this[i].equals(other[i])) return false; return true; } mergeWith(other) { // If both architectures are the same, it's fine to merge. var ok = this.x86 === other.x86 && this.x64 === other.x64; // If the first arch is [X86|X64] and the second [X64] it's also fine. if (!ok && this.x86 && this.x64 && !other.x86 && other.x64) ok = true; // It's not ok if both signatures have different number of implicit operands. if (!ok || this.implicit !== other.implicit) return false; // It's not ok if both signatures have different number of operands. const len = this.length; if (len !== other.length) return false; var xorIndex = -1; for (var i = 0; i < len; i++) { const xor = this[i].xor(other[i]); if (xor === null) continue; if (xorIndex === -1) xorIndex = i; else return false; } // Bail if mergeWidth at operand-level failed. if (xorIndex !== -1 && !this[xorIndex].mergeWith(other[xorIndex])) return false; this.x86 = this.x86 || other.x86; this.x64 = this.x64 || other.x64; return true; } toString() { return "{" + this.join(", ") + "}"; } } class SignatureArray extends Array { // Iterate over all signatures and check which operands don't need explicit memory size. calcImplicitMemSize() { // Calculates a hash-value (aka key) of all register operands specified by `regOps` in `inst`. function keyOf(inst, regOps) { var s = ""; for (var i = 0; i < inst.length; i++) { const op = inst[i]; if (regOps & (1 << i)) s += "{" + ArrayUtils.sorted(MapUtils.and(op.flags, RegOp)).join("|") + "}"; } return s || "?"; } var i; var aIndex, bIndex; for (aIndex = 0; aIndex < this.length; aIndex++) { const aInst = this[aIndex]; const len = aInst.length; var memOp = ""; var memPos = -1; var regOps = 0; // Check if this instruction signature has a memory operand of explicit size. for (i = 0; i < len; i++) { const aOp = aInst[i]; const mem = MapUtils.firstOf(aOp.flags, MemOp); if (mem) { // Stop if the memory operand has implicit-size or if there is more than one. if (aOp.flags.mem || memPos >= 0) { memPos = -1; break; } else { memOp = mem; memPos = i; } } else if (MapUtils.anyOf(aOp.flags, RegOp)) { // Doesn't consider 'r/m' as we already checked 'm'. regOps |= (1 << i); } } if (memPos < 0) continue; // Create a `sameSizeSet` set of all instructions having the exact // explicit memory operand at the same position and registers at // positions matching `regOps` bits and `diffSizeSet` having memory // operand of different size, but registers at the same positions. const sameSizeSet = [aInst]; const diffSizeSet = []; const diffSizeHash = Object.create(null); for (bIndex = 0; bIndex < this.length; bIndex++) { const bInst = this[bIndex]; if (aIndex === bIndex || len !== bInst.length) continue; var hasMatch = 1; for (i = 0; i < len; i++) { if (i === memPos) continue; const reg = MapUtils.anyOf(bInst[i].flags, RegOp); if (regOps & (1 << i)) hasMatch &= reg; else if (reg) hasMatch = 0; } if (hasMatch) { const bOp = bInst[memPos]; if (bOp.flags.mem) continue; const mem = MapUtils.firstOf(bOp.flags, MemOp); if (mem === memOp) { sameSizeSet.push(bInst); } else if (mem) { const key = keyOf(bInst, regOps); diffSizeSet.push(bInst); if (!diffSizeHash[key]) diffSizeHash[key] = [bInst]; else diffSizeHash[key].push(bInst); } } } // Two cases. // A) The memory operand has implicit-size if `diffSizeSet` is empty. That // means that the instruction only uses one size for all reg combinations. // // B) The memory operand has implicit-size if `diffSizeSet` contains different // register signatures than `sameSizeSet`. var implicit = true; if (!diffSizeSet.length) { // Case A: } else { // Case B: Find collisions in `sameSizeSet` and `diffSizeSet`. for (bIndex = 0; bIndex < sameSizeSet.length; bIndex++) { const bInst = sameSizeSet[bIndex]; const key = keyOf(bInst, regOps); const diff = diffSizeHash[key]; if (diff) { diff.forEach((diffInst) => { if ((bInst.x86 && !diffInst.x86) || (!bInst.x86 && diffInst.x86)) { // If this is X86|ANY instruction and the other is X64, or vice-versa, // then keep this implicit as it won't do any harm. These instructions // cannot be mixed and it will make implicit the 32-bit one in cases // where X64 introduced 64-bit ones like `cvtsi2ss`. } else { implicit = false; } }); } } } // Patch all instructions to accept implicit-size memory operand. for (bIndex = 0; bIndex < sameSizeSet.length; bIndex++) { const bInst = sameSizeSet[bIndex]; if (implicit) bInst[memPos].flags.mem = true; if (!implicit) DEBUG(`${this.name}: Explicit: ${bInst}`); } } } simplify() { for (var i = 0; i < this.length; i++) this[i].simplify(); } compact() { for (var i = 0; i < this.length; i++) { var row = this[i]; var j = i + 1; while (j < this.length) { if (row.mergeWith(this[j])) { this.splice(j, 1); continue; } j++; } } } toString() { return `[${this.join(", ")}]`; } } class InstSignatureTable extends core.Task { constructor() { super("InstSignatureTable"); this.maxOpRows = 0; this.opBlackList = { "moff8" : true, "moff16": true, "moff32": true, "moff64": true }; } run() { const insts = this.ctx.insts; insts.forEach((inst) => { inst.signatures = this.makeSignatures(Filter.noAltForm(inst.dbInsts)); this.maxOpRows = Math.max(this.maxOpRows, inst.signatures.length); }); const iSignatureMap = Object.create(null); const iSignatureArr = []; const oSignatureMap = Object.create(null); const oSignatureArr = []; // Must be first to be assigned to zero. const oSignatureNone = "ROW(0, 0, 0, 0xFF)"; oSignatureMap[oSignatureNone] = [0]; oSignatureArr.push(oSignatureNone); function findSignaturesIndex(rows) { const len = rows.length; if (!len) return 0; const indexes = iSignatureMap[rows[0].data]; if (indexes === undefined) return -1; for (var i = 0; i < indexes.length; i++) { const index = indexes[i]; if (index + len > iSignatureArr.length) continue; var ok = true; for (var j = 0; j < len; j++) { if (iSignatureArr[index + j].data !== rows[j].data) { ok = false; break; } } if (ok) return index; } return -1; } function indexSignatures(signatures) { const result = iSignatureArr.length; for (var i = 0; i < signatures.length; i++) { const signature = signatures[i]; const idx = iSignatureArr.length; if (!hasOwn.call(iSignatureMap, signature.data)) iSignatureMap[signature.data] = []; iSignatureMap[signature.data].push(idx); iSignatureArr.push(signature); } return result; } for (var len = this.maxOpRows; len >= 0; len--) { insts.forEach((inst) => { const signatures = inst.signatures; if (signatures.length === len) { const signatureEntries = []; for (var j = 0; j < len; j++) { const signature = signatures[j]; var signatureEntry = `ROW(${signature.length}, ${signature.x86 ? 1 : 0}, ${signature.x64 ? 1 : 0}, ${signature.implicit}`; var signatureComment = signature.toString(); var x = 0; while (x < signature.length) { const h = signature[x].toAsmJitOpData(); var index = -1; if (!hasOwn.call(oSignatureMap, h)) { index = oSignatureArr.length; oSignatureMap[h] = index; oSignatureArr.push(h); } else { index = oSignatureMap[h]; } signatureEntry += `, ${String(index).padEnd(3)}`; x++; } while (x < 6) { signatureEntry += `, ${String(0).padEnd(3)}`; x++; } signatureEntry += `)`; signatureEntries.push({ data: signatureEntry, comment: signatureComment, refs: 0 }); } var count = signatureEntries.length; var index = findSignaturesIndex(signatureEntries); if (index === -1) index = indexSignatures(signatureEntries); iSignatureArr[index].refs++; inst.signatureIndex = index; inst.signatureCount = count; } }); } var s = `#define ROW(count, x86, x64, implicit, o0, o1, o2, o3, o4, o5) \\\n` + ` { count, (x86 ? uint8_t(InstDB::kModeX86) : uint8_t(0)) | \\\n` + ` (x64 ? uint8_t(InstDB::kModeX64) : uint8_t(0)) , \\\n` + ` implicit, \\\n` + ` 0, \\\n` + ` { o0, o1, o2, o3, o4, o5 } \\\n` + ` }\n` + StringUtils.makeCxxArrayWithComment(iSignatureArr, "const InstDB::InstSignature InstDB::_instSignatureTable[]") + `#undef ROW\n` + `\n` + `#define ROW(flags, mFlags, extFlags, regId) { uint32_t(flags), uint16_t(mFlags), uint8_t(extFlags), uint8_t(regId) }\n` + `#define F(VAL) InstDB::kOp##VAL\n` + `#define M(VAL) InstDB::kMemOp##VAL\n` + StringUtils.makeCxxArray(oSignatureArr, "const InstDB::OpSignature InstDB::_opSignatureTable[]") + `#undef M\n` + `#undef F\n` + `#undef ROW\n`; this.inject("InstSignatureTable", disclaimer(s), oSignatureArr.length * 8 + iSignatureArr.length * 8); } makeSignatures(dbInsts) { const signatures = new SignatureArray(); for (var i = 0; i < dbInsts.length; i++) { const inst = dbInsts[i]; const ops = inst.operands; // NOTE: This changed from having reg|mem merged into creating two signatures // instead. Imagine two instructions in one `dbInsts` array: // // 1. mov reg, reg/mem // 2. mov reg/mem, reg // // If we merge them and then unmerge, we will have 4 signatures, when iterated: // // 1a. mov reg, reg // 1b. mov reg, mem // 2a. mov reg, reg // 2b. mov mem, reg // // So, instead of merging them here, we insert separated signatures and let // the tool merge them in a way that can be easily unmerged at runtime into: // // 1a. mov reg, reg // 1b. mov reg, mem // 2b. mov mem, reg var modrmCount = 1; for (var modrm = 0; modrm < modrmCount; modrm++) { var row = new ISignature(inst.name); row.x86 = (inst.arch === "ANY" || inst.arch === "X86"); row.x64 = (inst.arch === "ANY" || inst.arch === "X64"); for (var j = 0; j < ops.length; j++) { var iop = ops[j]; var reg = iop.reg; var mem = iop.mem; var imm = iop.imm; var rel = iop.rel; // Terminate if this operand is something asmjit doesn't support // and skip all instructions having implicit `imm` operand of `1`, // which are handled fine by asmjit. if (this.opBlackList[mem] === true || iop.immValue !== null) break; if (reg === "r8") reg = "r8lo"; if (reg === "seg") reg = "sreg"; if (reg === "st(i)") reg = "st"; if (reg === "st(0)") reg = "st0"; if (mem === "m32fp") mem = "m32"; if (mem === "m64fp") mem = "m64"; if (mem === "m80fp") mem = "m80"; if (mem === "m80bcd") mem = "m80"; if (mem === "m80dec") mem = "m80"; if (mem === "m16int") mem = "m16"; if (mem === "m32int") mem = "m32"; if (mem === "m64int") mem = "m64"; if (mem === "m16_16") mem = "m32"; if (mem === "m16_32") mem = "m48"; if (mem === "m16_64") mem = "m80"; if (reg && mem) { if (modrmCount === 1) { mem = null; modrmCount++; } else { reg = null; } } const op = new OSignature(); if (iop.implicit) { row.implicit++; op.flags.implicit = true; } const seg = iop.memSeg; if (seg) { if (seg === "ds") op.flags.memDS = true; if (seg === "es") op.flags.memES = true; if (reg === "reg") { op.flags.memBase = true; } if (reg === "r32") { op.flags.memBase = true; } if (reg === "r64") { op.flags.memBase = true; } if (reg === "zax") { op.flags.memBase = true; op.flags.memZAX = true; } if (reg === "zsi") { op.flags.memBase = true; op.flags.memZSI = true; } if (reg === "zdi") { op.flags.memBase = true; op.flags.memZDI = true; } } else if (reg) { op.flags[reg] = true; if (reg === "r8lo") op.flags.r8hi = true; } if (mem) { op.flags[mem] = true; // Exception: Allow LEA to use any memory size. if (inst.name === "lea") MapUtils.add(op.flags, MemOp); } if (imm) { if (iop.immSign === "any" || iop.immSign === "signed" ) op.flags["i" + imm] = true; if (iop.immSign === "any" || iop.immSign === "unsigned") op.flags["u" + imm] = true; } if (rel) op.flags["rel" + rel] = true; row.push(op); } // Not equal if we terminated the loop. if (j === ops.length) signatures.push(row); } } signatures.calcImplicitMemSize(); signatures.simplify(); signatures.compact(); signatures.simplify(); signatures.compact(); return signatures; } } // ============================================================================ // [tablegen.x86.InstCommonInfoTableB] // ============================================================================ class InstCommonInfoTableB extends core.Task { constructor() { super("InstCommonInfoTableB"); } run() { const insts = this.ctx.insts; const commonTableB = new IndexedArray(); const rwInfoTable = new IndexedArray(); // If the instruction doesn't read any flags it should point to the first index. rwInfoTable.addIndexed(`{ 0, 0 }`); insts.forEach((inst) => { const dbInsts = inst.dbInsts; var features = GenUtils.cpuFeaturesOf(dbInsts).map(function(f) { return `EXT(${f})`; }).join(", "); if (!features) features = "0"; var [r, w] = this.rwFlagsOf(dbInsts); const rData = r.map(function(flag) { return `FLAG(${flag})`; }).join(" | ") || "0"; const wData = w.map(function(flag) { return `FLAG(${flag})`; }).join(" | ") || "0"; const rwDataIndex = rwInfoTable.addIndexed(`{ ${rData}, ${wData} }`); inst.commomInfoIndexB = commonTableB.addIndexed(`{ { ${features} }, ${rwDataIndex}, 0 }`); }); var s = `#define EXT(VAL) uint32_t(Features::k##VAL)\n` + `const InstDB::CommonInfoTableB InstDB::_commonInfoTableB[] = {\n${StringUtils.format(commonTableB, kIndent, true)}\n};\n` + `#undef EXT\n` + `\n` + `#define FLAG(VAL) uint32_t(Status::k##VAL)\n` + `const InstDB::RWFlagsInfoTable InstDB::_rwFlagsInfoTable[] = {\n${StringUtils.format(rwInfoTable, kIndent, true)}\n};\n` + `#undef FLAG\n`; this.inject("InstCommonInfoTableB", disclaimer(s), commonTableB.length * 8 + rwInfoTable.length * 8); } rwFlagsOf(dbInsts) { const r = Object.create(null); const w = Object.create(null); for (var i = 0; i < dbInsts.length; i++) { const dbInst = dbInsts[i]; // Omit special cases, this is handled well in C++ code. if (dbInst.name === "mov") continue; const specialRegs = dbInst.specialRegs; // Mov is a special case, moving to/from control regs makes flags undefined, // which we don't want to have in `X86InstDB::operationData`. This is, thus, // a special case instruction analyzer must deal with. if (dbInst.name === "mov") continue; for (var specialReg in specialRegs) { var flag = ""; switch (specialReg) { case "FLAGS.CF": flag = "CF"; break; case "FLAGS.OF": flag = "OF"; break; case "FLAGS.SF": flag = "SF"; break; case "FLAGS.ZF": flag = "ZF"; break; case "FLAGS.AF": flag = "AF"; break; case "FLAGS.PF": flag = "PF"; break; case "FLAGS.DF": flag = "DF"; break; case "FLAGS.IF": flag = "IF"; break; //case "FLAGS.TF": flag = "TF"; break; case "FLAGS.AC": flag = "AC"; break; case "X86SW.C0": flag = "C0"; break; case "X86SW.C1": flag = "C1"; break; case "X86SW.C2": flag = "C2"; break; case "X86SW.C3": flag = "C3"; break; default: continue; } switch (specialRegs[specialReg]) { case "R": r[flag] = true; break; case "X": r[flag] = true; // ... fallthrough ... case "W": case "U": case "0": case "1": w[flag] = true; break; } } } return [ArrayUtils.sorted(r), ArrayUtils.sorted(w)]; } } // ============================================================================ // [tablegen.x86.InstRWInfoTable] // ============================================================================ const NOT_MEM_AMBIGUOUS = MapUtils.arrayToMap([ "call", "movq" ]); class InstRWInfoTable extends core.Task { constructor() { super("InstRWInfoTable"); this.rwInfoIndex = []; this.rwInfoTable = new IndexedArray(); this.rmInfoTable = new IndexedArray(); this.opInfoTable = new IndexedArray(); const _ = null; this.rwCategoryByName = { "imul" : "Imul", "mov" : "Mov", "movhpd" : "Movh64", "movhps" : "Movh64", "vmaskmovpd": "Vmaskmov", "vmaskmovps": "Vmaskmov", "vmovddup" : "Vmovddup", "vmovmskpd" : "Vmovmskpd", "vmovmskps" : "Vmovmskps", "vpmaskmovd": "Vmaskmov", "vpmaskmovq": "Vmaskmov" }; this.rwCategoryByData = { Vmov1_8: [ [{access: "W", flags: {}, fixed: -1, index: 0, width: 8}, {access: "R", flags: {}, fixed: -1, index: 0, width: 64},_,_,_,_], [{access: "W", flags: {}, fixed: -1, index: 0, width: 16}, {access: "R", flags: {}, fixed: -1, index: 0, width:128},_,_,_,_], [{access: "W", flags: {}, fixed: -1, index: 0, width: 32}, {access: "R", flags: {}, fixed: -1, index: 0, width:256},_,_,_,_], [{access: "W", flags: {}, fixed: -1, index: 0, width: 64}, {access: "R", flags: {}, fixed: -1, index: 0, width:512},_,_,_,_] ], Vmov1_4: [ [{access: "W", flags: {}, fixed: -1, index: 0, width: 32}, {access: "R", flags: {}, fixed: -1, index: 0, width:128},_,_,_,_], [{access: "W", flags: {}, fixed: -1, index: 0, width: 64}, {access: "R", flags: {}, fixed: -1, index: 0, width:256},_,_,_,_], [{access: "W", flags: {}, fixed: -1, index: 0, width:128}, {access: "R", flags: {}, fixed: -1, index: 0, width:512},_,_,_,_] ], Vmov1_2: [ [{access: "W", flags: {}, fixed: -1, index: 0, width: 64}, {access: "R", flags: {}, fixed: -1, index: 0, width:128},_,_,_,_], [{access: "W", flags: {}, fixed: -1, index: 0, width:128}, {access: "R", flags: {}, fixed: -1, index: 0, width:256},_,_,_,_], [{access: "W", flags: {}, fixed: -1, index: 0, width:256}, {access: "R", flags: {}, fixed: -1, index: 0, width:512},_,_,_,_] ], Vmov2_1: [ [{access: "W", flags: {}, fixed: -1, index: 0, width: 128}, {access: "R", flags: {}, fixed: -1, index: 0, width: 64},_,_,_,_], [{access: "W", flags: {}, fixed: -1, index: 0, width: 256}, {access: "R", flags: {}, fixed: -1, index: 0, width:128},_,_,_,_], [{access: "W", flags: {}, fixed: -1, index: 0, width: 512}, {access: "R", flags: {}, fixed: -1, index: 0, width:256},_,_,_,_] ], Vmov4_1: [ [{access: "W", flags: {}, fixed: -1, index: 0, width: 128}, {access: "R", flags: {}, fixed: -1, index: 0, width: 32},_,_,_,_], [{access: "W", flags: {}, fixed: -1, index: 0, width: 256}, {access: "R", flags: {}, fixed: -1, index: 0, width: 64},_,_,_,_], [{access: "W", flags: {}, fixed: -1, index: 0, width: 512}, {access: "R", flags: {}, fixed: -1, index: 0, width:128},_,_,_,_] ], Vmov8_1: [ [{access: "W", flags: {}, fixed: -1, index: 0, width: 128}, {access: "R", flags: {}, fixed: -1, index: 0, width: 16},_,_,_,_], [{access: "W", flags: {}, fixed: -1, index: 0, width: 256}, {access: "R", flags: {}, fixed: -1, index: 0, width: 32},_,_,_,_], [{access: "W", flags: {}, fixed: -1, index: 0, width: 512}, {access: "R", flags: {}, fixed: -1, index: 0, width: 64},_,_,_,_] ] }; } run() { const insts = this.ctx.insts; const noRmInfo = CxxUtils.struct( "InstDB::RWInfoRm::kCategory" + "None".padEnd(10), StringUtils.decToHex(0, 2), String(0).padEnd(2), CxxUtils.flags({}), "0" ); const noOpInfo = CxxUtils.struct( "0x0000000000000000u", "0x0000000000000000u", "0xFF", CxxUtils.struct(0), "0" ); this.rmInfoTable.addIndexed(noRmInfo); this.opInfoTable.addIndexed(noOpInfo); insts.forEach((inst) => { // Alternate forms would only mess this up, so filter them out. const dbInsts = Filter.noAltForm(inst.dbInsts); // The best we can do is to divide instructions that have 2 operands and others. // This gives us the highest chance of preventing special cases (which were not // entirely avoided). const o2Insts = dbInsts.filter((inst) => { return inst.operands.length === 2; }); const oxInsts = dbInsts.filter((inst) => { return inst.operands.length !== 2; }); const rwInfoArray = [this.rwInfo(o2Insts), this.rwInfo(oxInsts)]; const rmInfoArray = [this.rmInfo(o2Insts), this.rmInfo(oxInsts)]; for (var i = 0; i < 2; i++) { const rwInfo = rwInfoArray[i]; const rmInfo = rmInfoArray[i]; const rwOps = rwInfo.rwOps; const rwOpsIndex = []; for (var j = 0; j < rwOps.length; j++) { const op = rwOps[j]; if (!op) { rwOpsIndex.push(this.opInfoTable.addIndexed(noOpInfo)); continue; } const flags = {}; const opAcc = op.access; if (opAcc === "R") flags.Read = true; if (opAcc === "W") flags.Write = true; if (opAcc === "X") flags.RW = true; Lang.merge(flags, op.flags); const rIndex = opAcc === "X" || opAcc === "R" ? op.index : -1; const rWidth = opAcc === "X" || opAcc === "R" ? op.width : -1; const wIndex = opAcc === "X" || opAcc === "W" ? op.index : -1; const wWidth = opAcc === "X" || opAcc === "W" ? op.width : -1; const opData = CxxUtils.struct( this.byteMaskFromBitRanges([{ start: rIndex, end: rIndex + rWidth - 1 }]) + "u", this.byteMaskFromBitRanges([{ start: wIndex, end: wIndex + wWidth - 1 }]) + "u", StringUtils.decToHex(op.fixed === -1 ? 0xFF : op.fixed, 2), CxxUtils.struct(0), CxxUtils.flags(flags, function(flag) { return "OpRWInfo::k" + flag; }) ); rwOpsIndex.push(this.opInfoTable.addIndexed(opData)); } const rmData = CxxUtils.struct( "InstDB::RWInfoRm::kCategory" + rmInfo.category.padEnd(10), StringUtils.decToHex(rmInfo.rmIndexes, 2), String(Math.max(rmInfo.memFixed, 0)).padEnd(2), CxxUtils.flags({ "InstDB::RWInfoRm::kFlagAmbiguous": Boolean(rmInfo.memAmbiguous) }), rmInfo.memExtension === "None" ? "0" : "Features::k" + rmInfo.memExtension ); const rwData = CxxUtils.struct( "InstDB::RWInfo::kCategory" + rwInfo.category.padEnd(10), String(this.rmInfoTable.addIndexed(rmData)).padEnd(2), CxxUtils.struct(...(rwOpsIndex.map(function(item) { return String(item).padEnd(2); }))) ); this.rwInfoIndex.push(this.rwInfoTable.addIndexed(rwData)); } }); var s = ""; s += "const uint8_t InstDB::rwInfoIndex[Inst::_kIdCount * 2] = {\n" + StringUtils.format(this.rwInfoIndex, kIndent, -1) + "\n};\n"; s += "\n"; s += "const InstDB::RWInfo InstDB::rwInfo[] = {\n" + StringUtils.format(this.rwInfoTable, kIndent, true) + "\n};\n"; s += "\n"; s += "const InstDB::RWInfoOp InstDB::rwInfoOp[] = {\n" + StringUtils.format(this.opInfoTable, kIndent, true) + "\n};\n"; s += "\n"; s += "const InstDB::RWInfoRm InstDB::rwInfoRm[] = {\n" + StringUtils.format(this.rmInfoTable, kIndent, true) + "\n};\n"; const size = this.rwInfoIndex.length + this.rwInfoTable.length * 8 + this.rmInfoTable.length * 4 + this.opInfoTable.length * 24; this.inject("InstRWInfoTable", disclaimer(s), size); } byteMaskFromBitRanges(ranges) { const arr = []; for (var i = 0; i < 64; i++) arr.push(0); for (var i = 0; i < ranges.length; i++) { const start = ranges[i].start; const end = ranges[i].end; if (start < 0) continue; for (var j = start; j <= end; j++) { const bytePos = j >> 3; if (bytePos < 0 || bytePos >= arr.length) FAIL(`Range ${start}:${end} cannot be used to create a byte-mask`); arr[bytePos] = 1; } } var s = "0x"; for (var i = arr.length - 4; i >= 0; i -= 4) { const value = (arr[i + 3] << 3) | (arr[i + 2] << 2) | (arr[i + 1] << 1) | arr[i]; s += value.toString(16).toUpperCase(); } return s; } // Read/Write Info // --------------- rwInfo(dbInsts) { function nullOps() { return [null, null, null, null, null, null]; } function makeRwFromOp(op) { if (!op.isRegOrMem()) return null; return { access: op.read && op.write ? "X" : op.read ? "R" : op.write ? "W" : "?", flags: {}, fixed: GenUtils.fixedRegOf(op.reg), index: op.rwxIndex, width: op.rwxWidth }; } function queryRwGeneric(dbInsts, step) { var rwOps = nullOps(); for (var i = 0; i < dbInsts.length; i++) { const dbInst = dbInsts[i]; const operands = dbInst.operands; for (var j = 0; j < operands.length; j++) { const op = operands[j]; if (!op.isRegOrMem()) continue; const opSize = op.isReg() ? op.regSize : op.memSize; var d = { access: op.read && op.write ? "X" : op.read ? "R" : op.write ? "W" : "?", flags: {}, fixed: -1, index: -1, width: -1 }; if (op.isReg()) d.fixed = GenUtils.fixedRegOf(op.reg); else d.fixed = GenUtils.fixedRegOf(op.mem); if (op.zext) d.flags.ZExt = true; if ((step === -1 || step === j) || op.rwxIndex !== 0 || op.rwxWidth !== opSize) { d.index = op.rwxIndex; d.width = op.rwxWidth; } if (d.fixed !== -1) { if (op.memSeg) d.flags.MemPhysId = true; else d.flags.RegPhysId = true; } if (rwOps[j] === null) { rwOps[j] = d; } else { if (!Lang.deepEqExcept(rwOps[j], d, { "fixed": true, "flags": true })) return null; if (rwOps[j].fixed === -1) rwOps[j].fixed = d.fixed; Lang.merge(rwOps[j].flags, d.flags); } } } return { category: "Generic", rwOps }; } function queryRwByData(dbInsts, rwOpsArray) { for (var i = 0; i < dbInsts.length; i++) { const dbInst = dbInsts[i]; const operands = dbInst.operands; const rwOps = nullOps(); for (var j = 0; j < operands.length; j++) rwOps[j] = makeRwFromOp(operands[j]) var match = 0; for (var j = 0; j < rwOpsArray.length; j++) match |= Lang.deepEq(rwOps, rwOpsArray[j]); if (!match) return false; } return true; } function dumpRwToData(dbInsts) { const out = []; for (var i = 0; i < dbInsts.length; i++) { const dbInst = dbInsts[i]; const operands = dbInst.operands; const rwOps = nullOps(); for (var j = 0; j < operands.length; j++) rwOps[j] = makeRwFromOp(operands[j]) if (ArrayUtils.deepIndexOf(out, rwOps) !== -1) continue; out.push(rwOps); } return out; } // Some instructions are just special... const name = dbInsts.length ? dbInsts[0].name : ""; if (name in this.rwCategoryByName) return { category: this.rwCategoryByName[name], rwOps: nullOps() }; // Generic rules. for (var i = -1; i <= 6; i++) { const rwInfo = queryRwGeneric(dbInsts, i); if (rwInfo) return rwInfo; } // Specific rules. for (var k in this.rwCategoryByData) if (queryRwByData(dbInsts, this.rwCategoryByData[k])) return { category: k, rwOps: nullOps() }; // FAILURE: Missing data to categorize this instruction. if (name) { const items = dumpRwToData(dbInsts) console.log(`RW: ${dbInsts.length ? dbInsts[0].name : ""}:`); items.forEach((item) => { console.log(" " + JSON.stringify(item)); }); } return null; } // Reg/Mem Info // ------------ rmInfo(dbInsts) { const info = { category: "None", rmIndexes: this.rmReplaceableIndexes(dbInsts), memFixed: this.rmFixedSize(dbInsts), memAmbiguous: this.rmIsAmbiguous(dbInsts), memConsistent: this.rmIsConsistent(dbInsts), memExtension: this.rmExtension(dbInsts) }; if (info.memFixed !== -1) info.category = "Fixed"; else if (info.memConsistent) info.category = "Consistent"; else if (info.rmIndexes) info.category = this.rmReplaceableCategory(dbInsts); return info; } rmReplaceableCategory(dbInsts) { var category = null; for (var i = 0; i < dbInsts.length; i++) { const dbInst = dbInsts[i]; const operands = dbInst.operands; var rs = -1; var ms = -1; for (var j = 0; j < operands.length; j++) { const op = operands[j]; if (op.isMem()) ms = op.memSize; else if (op.isReg()) rs = Math.max(rs, op.regSize); } var c = (rs === -1 ) ? "None" : (ms === -1 ) ? "None" : (ms === rs ) ? "Fixed" : (ms === rs / 2) ? "Half" : (ms === rs / 4) ? "Quarter" : (ms === rs / 8) ? "Eighth" : "Unknown"; if (category === null) category = c; else if (category !== c) { if (dbInst.name === "mov" || dbInst.name === "vmovddup") return "None"; // Special case return StringUtils.capitalize(dbInst.name); // Special case. } } if (category === "Unknown") console.log(`Instruction '${dbInsts[0].name}' has no RMInfo category.`); return category || "Unknown"; } rmReplaceableIndexes(dbInsts) { function maskOf(inst, fn) { var m = 0; var operands = inst.operands; for (var i = 0; i < operands.length; i++) if (fn(operands[i])) m |= (1 << i); return m; } function getRegIndexes(inst) { return maskOf(inst, function(op) { return op.isReg(); }); }; function getMemIndexes(inst) { return maskOf(inst, function(op) { return op.isMem(); }); }; var mask = 0; for (var i = 0; i < dbInsts.length; i++) { const dbInst = dbInsts[i]; var mi = getMemIndexes(dbInst); var ri = getRegIndexes(dbInst) & ~mi; if (!mi) continue; const match = dbInsts.some((inst) => { var ti = getRegIndexes(inst); return ((ri & ti) === ri && (mi & ti) === mi); }); if (!match) return 0; mask |= mi; } return mask; } rmFixedSize(insts) { var savedOp = null; for (var i = 0; i < insts.length; i++) { const inst = insts[i]; const operands = inst.operands; for (var j = 0; j < operands.length; j++) { const op = operands[j]; if (op.mem) { if (savedOp && savedOp.mem !== op.mem) return -1; savedOp = op; } } } return savedOp ? Math.max(savedOp.memSize, 0) / 8 : -1; } rmIsConsistent(insts) { var hasMem = 0; for (var i = 0; i < insts.length; i++) { const inst = insts[i]; const operands = inst.operands; for (var j = 0; j < operands.length; j++) { const op = operands[j]; if (op.mem) { hasMem = 1; if (!op.reg) return 0; if (asmdb.x86.Utils.regSize(op.reg) !== op.memSize) return 0; } } } return hasMem; } rmIsAmbiguous(dbInsts) { function isAmbiguous(dbInsts) { const memMap = {}; const immMap = {}; for (var i = 0; i < dbInsts.length; i++) { const dbInst = dbInsts[i]; const operands = dbInst.operands; var memStr = ""; var immStr = ""; var hasMem = false; var hasImm = false; for (var j = 0; j < operands.length; j++) { const op = operands[j]; if (j) { memStr += ", "; immStr += ", "; } if (op.isImm()) { immStr += "imm"; hasImm = true; } else { immStr += op.toString(); } if (op.mem) { memStr += "m"; hasMem = true; } else { memStr += op.isImm() ? "imm" : op.toString(); } } if (hasImm) { if (immMap[immStr] === true) continue; immMap[immStr] = true; } if (hasMem) { if (memMap[memStr] === true) return 1; memMap[memStr] = true; } } return 0; } const uniqueInsts = Filter.unique(dbInsts); // Special cases. if (!dbInsts.length) return 0; if (NOT_MEM_AMBIGUOUS[dbInsts[0].name]) return 0; return (isAmbiguous(Filter.byArch(uniqueInsts, "X86")) << 0) | (isAmbiguous(Filter.byArch(uniqueInsts, "X64")) << 1) ; } rmExtension(dbInsts) { if (!dbInsts.length) return "None"; const name = dbInsts[0].name; switch (name) { case "pextrw": return "SSE4_1"; case "vpslldq": case "vpsrldq": return "AVX512_BW"; default: return "None"; } } } // ============================================================================ // [tablegen.x86.InstCommonTable] // ============================================================================ class InstCommonTable extends core.Task { constructor() { super("InstCommonTable", [ "IdEnum", "NameTable", "InstSignatureTable", "InstCommonInfoTableB", "InstRWInfoTable" ]); } run() { const insts = this.ctx.insts; const table = new IndexedArray(); insts.forEach((inst) => { const flags = inst.flags.map(function(flag) { return `F(${flag})`; }).join("|") || "0"; const singleRegCase = `SINGLE_REG(${inst.singleRegCase})`; const controlType = `CONTROL(${inst.controlType})`; const row = "{ " + String(flags ).padEnd(54) + ", " + String(inst.signatureIndex).padEnd( 3) + ", " + String(inst.signatureCount).padEnd( 2) + ", " + String(controlType ).padEnd(16) + ", " + String(singleRegCase ).padEnd(16) + ", " + "0 }"; inst.commonInfoIndexA = table.addIndexed(row); }); var s = `#define F(VAL) InstDB::kFlag##VAL\n` + `#define CONTROL(VAL) Inst::kControl##VAL\n` + `#define SINGLE_REG(VAL) InstDB::kSingleReg##VAL\n` + `const InstDB::CommonInfo InstDB::_commonInfoTable[] = {\n${StringUtils.format(table, kIndent, true)}\n};\n` + `#undef SINGLE_REG\n` + `#undef CONTROL\n` + `#undef F\n`; this.inject("InstCommonTable", disclaimer(s), table.length * 8); } } // ============================================================================ // [Main] // ============================================================================ new X86TableGen() .addTask(new IdEnum()) .addTask(new NameTable()) .addTask(new AltOpcodeTable()) .addTask(new InstSignatureTable()) .addTask(new InstCommonInfoTableB()) .addTask(new InstRWInfoTable()) .addTask(new InstCommonTable()) .run();