iw6-mod/deps/asmjit/db/aarch64.js
2024-02-27 01:34:37 -05:00

922 lines
27 KiB
JavaScript

// This file is part of AsmJit project <https://asmjit.com>
//
// See asmjit.h or LICENSE.md for license and copyright information
// SPDX-License-Identifier: Zlib
(function($scope, $as) {
"use strict";
function FAIL(msg) { throw new Error("[AArch64] " + msg); }
// Import
// ======
const base = $scope.base ? $scope.base : require("./base.js");
const exp = $scope.exp ? $scope.exp : require("./exp.js")
const hasOwn = Object.prototype.hasOwnProperty;
const dict = base.dict;
const NONE = base.NONE;
const Parsing = base.Parsing;
const MapUtils = base.MapUtils;
// Export
// ======
const arm = $scope[$as] = dict();
// Database
// ========
arm.dbName = "isa_aarch64.json";
// asmdb.aarch64.Utils
// ===================
// Can be used to assign the number of bits each part of the opcode occupies.
// NOTE: THUMB instructions that use halfword must always specify the width
// of all registers as many instructions accept only LO (r0..r7) registers.
const FieldInfo = {
"P" : { "bits": 1 },
"U" : { "bits": 1 },
"W" : { "bits": 1 },
"S" : { "bits": 1 },
"R" : { "bits": 1 },
"H" : { "bits": 1 },
"F" : { "bits": 1 },
"post" : { "bits": 1 },
"!post" : { "bits": 1 },
"op" : { "bits": 1 }, // TODO: This should be fixed.
"s" : { "bits": 1 },
"sz" : { "bits": 2 },
"msz" : { "bits": 2 },
"sop" : { "bits": 2 },
"cond" : { "bits": 4 },
"nzcv" : { "bits": 4 },
"cmode" : { "bits": 4 },
"CRn" : { "bits": 4 },
"CRm" : { "bits": 4 },
"Rx" : { "bits": 5, "read": true , "write": true },
"Rx2" : { "bits": 5, "read": true , "write": true },
"Rdn" : { "bits": 5, "read": true , "write": true },
"Rd" : { "bits": 5, "read": false, "write": true },
"Rd2" : { "bits": 5, "read": false, "write": true },
"Rs" : { "bits": 5, "read": true , "write": false },
"Rs2" : { "bits": 5, "read": true , "write": false },
"Rn" : { "bits": 5, "read": true , "write": false },
"Rm" : { "bits": 5, "read": true , "write": false },
"Ra" : { "bits": 5, "read": true , "write": false },
"Rt" : { "bits": 5, "read": true , "write": false },
"Rt2" : { "bits": 5, "read": true , "write": false },
"Wx" : { "bits": 5, "read": true , "write": true },
"Wx2" : { "bits": 5, "read": true , "write": true },
"Wdn" : { "bits": 5, "read": true , "write": true },
"Wd" : { "bits": 5, "read": false, "write": true },
"Wd2" : { "bits": 5, "read": false, "write": true },
"Ws" : { "bits": 5, "read": true , "write": false },
"Ws2" : { "bits": 5, "read": true , "write": false },
"Wn" : { "bits": 5, "read": true , "write": false },
"Wm" : { "bits": 5, "read": true , "write": false },
"Wa" : { "bits": 5, "read": true , "write": false },
"Wt" : { "bits": 5, "read": true , "write": false },
"Wt2" : { "bits": 5, "read": true , "write": false },
"Xx" : { "bits": 5, "read": true , "write": true },
"Xx2" : { "bits": 5, "read": true , "write": true },
"Xdn" : { "bits": 5, "read": true , "write": true },
"Xd" : { "bits": 5, "read": false, "write": true },
"Xd2" : { "bits": 5, "read": false, "write": true },
"Xs" : { "bits": 5, "read": true , "write": false },
"Xs2" : { "bits": 5, "read": true , "write": false },
"Xn" : { "bits": 5, "read": true , "write": false },
"Xm" : { "bits": 5, "read": true , "write": false },
"Xa" : { "bits": 5, "read": true , "write": false },
"Xt" : { "bits": 5, "read": true , "write": false },
"Xt2" : { "bits": 5, "read": true , "write": false },
"Bx" : { "bits": 5, "read": true , "write": true },
"Bx2" : { "bits": 5, "read": true , "write": true },
"Bdn" : { "bits": 5, "read": true , "write": true },
"Bd" : { "bits": 5, "read": false, "write": true },
"Bd2" : { "bits": 5, "read": false, "write": true },
"Bs" : { "bits": 5, "read": true , "write": false },
"Bs2" : { "bits": 5, "read": true , "write": false },
"Bn" : { "bits": 5, "read": true , "write": false },
"Bm" : { "bits": 5, "read": true , "write": false },
"Ba" : { "bits": 5, "read": true , "write": false },
"Hx" : { "bits": 5, "read": true , "write": true },
"Hx2" : { "bits": 5, "read": true , "write": true },
"Hdn" : { "bits": 5, "read": true , "write": true },
"Hd" : { "bits": 5, "read": false, "write": true },
"Hd2" : { "bits": 5, "read": false, "write": true },
"Hs" : { "bits": 5, "read": true , "write": false },
"Hs2" : { "bits": 5, "read": true , "write": false },
"Hn" : { "bits": 5, "read": true , "write": false },
"Hm" : { "bits": 5, "read": true , "write": false },
"Ha" : { "bits": 5, "read": true , "write": false },
"Sx" : { "bits": 5, "read": true , "write": true },
"Sx2" : { "bits": 5, "read": true , "write": true },
"Sdn" : { "bits": 5, "read": true , "write": true },
"Sd" : { "bits": 5, "read": false, "write": true },
"Sd2" : { "bits": 5, "read": false, "write": true },
"Ss" : { "bits": 5, "read": true , "write": false },
"Ss2" : { "bits": 5, "read": true , "write": false },
"Sn" : { "bits": 5, "read": true , "write": false },
"Sm" : { "bits": 5, "read": true , "write": false },
"Sa" : { "bits": 5, "read": true , "write": false },
"Dx" : { "bits": 5, "read": true , "write": true },
"Dx2" : { "bits": 5, "read": true , "write": true },
"Ddn" : { "bits": 5, "read": true , "write": true },
"Dd" : { "bits": 5, "read": false, "write": true },
"Dd2" : { "bits": 5, "read": false, "write": true },
"Ds" : { "bits": 5, "read": true , "write": false },
"Ds2" : { "bits": 5, "read": true , "write": false },
"Dn" : { "bits": 5, "read": true , "write": false },
"Dn2" : { "bits": 5, "read": true , "write": false },
"Dm" : { "bits": 5, "read": true , "write": false },
"Da" : { "bits": 5, "read": true , "write": false },
"Qx" : { "bits": 5, "read": true , "write": true },
"Qx2" : { "bits": 5, "read": true , "write": true },
"Qdn" : { "bits": 5, "read": true , "write": true },
"Qd" : { "bits": 5, "read": false, "write": true },
"Qd2" : { "bits": 5, "read": false, "write": true },
"Qs" : { "bits": 5, "read": true , "write": false },
"Qs2" : { "bits": 5, "read": true , "write": false },
"Qn" : { "bits": 5, "read": true , "write": false },
"Qn2" : { "bits": 5, "read": true , "write": false },
"Qm" : { "bits": 5, "read": true , "write": false },
"Qa" : { "bits": 5, "read": true , "write": false },
"Vx" : { "bits": 5, "read": true , "write": true },
"Vx2" : { "bits": 5, "read": true , "write": true },
"Vdn" : { "bits": 5, "read": true , "write": true },
"Vd" : { "bits": 5, "read": false, "write": true },
"Vd2" : { "bits": 5, "read": false, "write": true },
"Vs" : { "bits": 5, "read": true , "write": false },
"Vs2" : { "bits": 5, "read": true , "write": false },
"Vn" : { "bits": 5, "read": true , "write": false },
"Vm" : { "bits": 5, "read": true , "write": false },
"Va" : { "bits": 5, "read": true , "write": false },
"Zx" : { "bits": 5, "read": true , "write": true },
"Zx2" : { "bits": 5, "read": true , "write": true },
"Zda" : { "bits": 5, "read": true , "write": true },
"Zdn" : { "bits": 5, "read": true , "write": true },
"Zdn2" : { "bits": 5, "read": true , "write": true },
"Zd" : { "bits": 5, "read": false, "write": true },
"Zd2" : { "bits": 5, "read": false, "write": true },
"Zs" : { "bits": 5, "read": true , "write": false },
"Zs2" : { "bits": 5, "read": true , "write": false },
"Zn" : { "bits": 5, "read": true , "write": false },
"Zm" : { "bits": 5, "read": true , "write": false },
"Zk" : { "bits": 5, "read": true , "write": false },
"Za" : { "bits": 5, "read": true , "write": false },
"Pdn" : { "bits": 4, "read": true , "write": true },
"Pdm" : { "bits": 4, "read": true , "write": true },
"Pd" : { "bits": 4, "read": false, "write": true },
"Ps" : { "bits": 4, "read": true , "write": false },
"Pn" : { "bits": 4, "read": true , "write": false },
"Pm" : { "bits": 4, "read": true , "write": false },
"Pg" : { "bits": 4, "read": true , "write": false }
};
arm.FieldInfo = FieldInfo;
// AArch64 utilities.
class Utils {
static splitInstructionSignature(s) {
const names = s.match(/^[\w\|]+/)[0];
s = s.substring(names.length);
const opOffset = s.indexOf(" ")
const suffix = s.substring(0, opOffset).trim();
const operands = opOffset === -1 ? "" : s.substring(opOffset + 1).trim();
return {
names: names.split("|").map((base)=>{ return base + suffix}),
operands: operands
}
}
static parseShiftOrExtendOp(s) {
const space = s.indexOf(" ");
if (space === -1)
return "";
const ops = s.substring(0, space).trim();
for (let op of ops.split("|"))
if (!/^(sop|extend|lsl|lsr|asr|uxtw|sxtw|sxtx|mul)$/.test(op))
return "";
return ops;
}
}
arm.Utils = Utils;
function normalizeNumber(n) {
return n < 0 ? 0x100000000 + n : n;
}
function decomposeOperand(s) {
let type = null;
let element = null;
let consecutive = 0;
let maskType = "";
const elementM = s.match(/\[#(\w+)\]$/);
if (elementM) {
element = elementM[1];
s = s.substring(0, s.length - elementM[0].length);
}
const typeM = s.match(/\.(\w+)$/);
if (typeM) {
type = typeM[1];
s = s.substring(0, s.length - typeM[0].length);
}
const maskM = s.match(/\/(M|Z|MZ)$/);
if (maskM) {
maskType = maskM[1];
s = s.substring(0, s.length - maskM[0].length);
}
if (s.endsWith("++")) {
consecutive = 2;
s = s.substring(0, s.length - 2);
}
else if (s.endsWith("+")) {
consecutive = 1;
s = s.substring(0, s.length - 1);
}
let m = s.match(/==|\!=|>=|<=|\*/);
let restrict = false;
if (m) {
restrict = s.substring(m.index);
s = s.substring(0, m.index);
}
return {
data : s,
maskType : maskType,
type : type,
element : element,
restrict : restrict,
consecutive: consecutive
};
}
function splitOpcodeFields(s) {
const arr = s.split("|");
const out = [];
for (let i = 0; i < arr.length; i++) {
const val = arr[i];
if (/^[0-1A-Z]{2,}$/.test(val))
out.push.apply(out, val.match(/([0-1]+)|[A-Z]/g));
else
out.push(val);
}
return out.map((field)=>{return field.trim(); });
}
// asmdb.aarch64.Operand
// =====================
// ARM operand.
class Operand extends base.Operand {
constructor(def) {
super(def);
// Register.
this.sp = ""; // GP register stack access: ["", "WSP" or "SP"].
this.mask = ""; // Masking specifier.
}
hasMemModes() {
return Object.keys(this.memModes).length !== 0;
}
get name() {
switch (this.type) {
case "reg": return this.reg;
case "mem": return this.mem;
case "imm": return this.imm;
case "rel": return this.rel;
default : return "";
}
}
get scale() {
if (this.restrict && this.restrict.startsWith("*"))
return parseInt(this.restrict.substring(1), 10);
else
return 0;
}
}
arm.Operand = Operand;
// asmdb.aarch64.Instruction
// =========================
function patternFromOperand(key) { return key; }
// ARM instruction.
class Instruction extends base.Instruction {
constructor(db, data) {
super(db, data);
this.name = data.name;
this.it = dict(); // THUMB's 'it' flags.
this.apsr = dict();
this.fpcsr = dict();
this.calc = dict(); // Calculations required to generate opcode.
this.immCond = []; // Immediate value conditions (array of conditions).
this._assignOperands(data.operands);
this._assignOpcode(data.op);
for (let k in data) {
if (k === "name" || k == "op" || k === "operands")
continue;
this._assignAttribute(k, data[k]);
}
this._updateOperandsInfo();
this._postProcess();
}
_assignAttribute(key, value) {
switch (key) {
case "it":
for (let it of value.split(" "))
this.it[it.trim()] = true;
break;
case "apsr":
case "fpcsr":
this._assignAttributeKeyValue(key, value);
break;
case "imm":
this.imm = exp.parse(value);
break;
case "calc":
for (let calcKey in value)
this.calc[calcKey] = exp.parse(value[calcKey]);
break;
default:
super._assignAttribute(key, value);
}
}
_assignAttributeKeyValue(name, content) {
const attributes = content.trim().split(/[ ]+/);
for (let i = 0; i < attributes.length; i++) {
const attr = attributes[i].trim();
if (!attr)
continue;
const eq = attr.indexOf("=");
let key = eq === -1 ? attr : attr.substring(0, eq);
let val = eq === -1 ? true : attr.substring(eq + 1);
// If the key contains "|" it's a definition of multiple attributes.
if (key.indexOf("|") !== -1) {
const dot = key.indexOf(".");
const base = dot === -1 ? "" : key.substring(0, dot + 1);
const keys = (dot === -1 ? key : key.substring(dot + 1)).split("|");
for (let j = 0; j < keys.length; j++)
this[name][base + keys[j]] = val;
}
else {
this[name][key] = val;
}
}
}
_assignOperands(s) {
if (!s) return;
// Split into individual operands and push them to `operands`.
const arr = base.Parsing.splitOperands(s);
for (let i = 0; i < arr.length; i++) {
let def = arr[i].trim();
const op = new Operand(def);
const sp = def.match(/^(\w+)\|(SP|WSP)$/);
if (sp) {
def = sp[1];
op.sp = sp[2];
}
const consecutive = def.match(/(\d+)x\{(.*)\}([+]?[+]?)/);
if (consecutive)
def = consecutive[2];
op.sign = false;
op.element = null;
op.shiftOp = "";
op.shiftImm = null;
op.shiftCond = "";
// Handle {optional} attribute.
if (Parsing.isOptional(def)) {
op.optional = true;
def = Parsing.clearOptional(def);
}
// Handle commutativity <-> symbol.
if (Parsing.isCommutative(def)) {
op.commutative = true;
def = Parsing.clearCommutative(def);
}
// Handle shift operation.
let shiftOp = Utils.parseShiftOrExtendOp(def);
if (shiftOp) {
op.shiftOp = shiftOp;
def = def.substring(shiftOp.length + 1);
}
if (def.startsWith("[")) {
op.type = "mem";
op.memModes = dict();
op.base = null;
op.index = null;
op.offset = null;
let mem = def;
let didHaveMemMode = false;
for (;;) {
if (mem.endsWith("!")) {
op.memModes.preIndex = true;
mem = mem.substring(0, mem.length - 1);
didHaveMemMode = true;
break;
}
if (mem.endsWith("@")) {
op.memModes.postIndex = true;
mem = mem.substring(0, mem.length - 1);
didHaveMemMode = true;
break;
}
if (mem.endsWith("{!}")) {
op.memModes.offset = true;
op.memModes.preIndex = true;
mem = mem.substring(0, mem.length - 3);
didHaveMemMode = true;
continue;
}
if (mem.endsWith("{@}")) {
op.memModes.offset = true;
op.memModes.postIndex = true;
mem = mem.substring(0, mem.length - 3);
didHaveMemMode = true;
continue;
}
break;
}
if (!mem.endsWith("]"))
FAIL(`Unknown memory operand '${mem}' in '${def}'`);
let parts = mem.substring(1, mem.length - 1).split(",").map(function(s) { return s.trim() });
for (let i = 0; i < parts.length; i++) {
const part = parts[i];
const m = part.match(/^\{(([a-z]+)(\|[a-z]+)*)\s+#(\w+)\s*(\*\s*\d+\s*)?\}$/);
if (m) {
op.shiftOp = m[1];
op.shiftImm = m[2];
if (m[3])
op.shiftCond = m[3]
continue;
}
if (i === 0) {
op.base = dict();
op.base.field = part;
op.base.exp = null;
const m = part.match(/^([A-Za-z]\w*(?:\.\w+)?)/);
if (m && m[1].length < part.length) {
op.base.exp = exp.parse(part);
op.base.field = m[1];
}
}
else if (part.startsWith("#")) {
let p = part.substring(1);
let u = "1";
let offExp = null;
let offMul = 1;
if (p.startsWith("+/-")) {
u = "U";
p = p.substring(3);
}
const expMatch = p.match(/^([A-Za-z]\w*)==/);
if (expMatch) {
offExp = exp.parse(p);
p = p.substring(0, expMatch[1].length);
}
const mulMatch = p.match(/\s*\*\s*(\d+)$/);
if (mulMatch) {
offMul = parseInt(mulMatch[1]);
p = p.substring(0, mulMatch.index);
}
op.offset = dict();
op.offset.field = p;
op.offset.u = u;
op.offset.exp = offExp;
op.offset.mul = offMul;
}
else {
let p = part;
let u = "1";
if (p.startsWith("+/-")) {
u = "U";
p = p.substring(3);
}
op.index = dict();
op.index.field = p;
op.index.u = u;
const m = p.match(/^([A-Za-z\|]\w*(?:\.\w+)?)/);
if (m && m[1].length < p.length) {
op.index.exp = exp.parse(p);
op.index.field = m[1];
}
}
}
if (!op.hasMemModes() && (op.offset || op.index))
op.memModes.offset = true;
op.mem = mem;
}
else if (def.startsWith("#")) {
const obj = decomposeOperand(def);
const imm = obj.data;
op.type = "imm";
op.imm = imm.substring(1); // Immediate operand name.
op.immSize = 0; // Immediate size in bits.
op.restrict = obj.restrict; // Immediate condition.
}
else {
// Some instructions use Reg! to specify that the register increments.
if (def.endsWith("!")) {
def = def.substring(0, def.length - 1)
op.regInc = true
}
const obj = decomposeOperand(def);
const reg = obj.data;
const type = reg.substring(0, 1).toLowerCase();
const info = FieldInfo[reg];
if (!info)
FAIL(`Unknown register operand '${reg}' in '${def}'`);
op.type = info.list ? "reg-list" : "reg";
op.reg = reg; // Register name (as specified in manual).
op.regType = type; // Register type.
op.regList = !!info.list; // Register list.
op.maskType = obj.maskType; // Mask type.
op.elementType = obj.type // Element type or t, ta, tb.
op.read = info.read; // Register access (read).
op.write = info.write; // Register access (write).
op.element = obj.element; // Register element[] access.
op.restrict = obj.restrict; // Register condition.
op.consecutive = obj.consecutive;
}
this.operands.push(op);
if (consecutive) {
const count = parseInt(consecutive[1]);
for (let n = 2; n <= count; n++) {
const def = consecutive[3].replace(op.reg, op.reg + n);
const opN = new Operand(def);
opN.type = "reg";
opN.reg = op.reg + n;
opN.regType = op.regType;
opN.read = op.read;
opN.write = op.write;
opN.element = op.element;
opN.consecutive = consecutive[3].length;
opN.artificial = true;
this.operands.push(opN);
}
}
}
}
_assignOpcode(s) {
this.opcodeString = s;
let opcodeIndex = 0;
let opcodeValue = 0;
let patternMap = {};
// Split opcode into its fields.
const arr = splitOpcodeFields(s);
const dup = dict();
const fields = this.fields;
const pattern = [];
const fieldMap = Object.create(null);
for (let field of arr) {
fieldMap[field] = true;
}
for (let i = arr.length - 1; i >= 0; i--) {
let key = arr[i].trim();
let m;
if (/^[0-1]+$/.test(key)) {
// This part of the opcode is RAW bits, they contribute to the `opcodeValue`.
opcodeValue |= parseInt(key, 2) << opcodeIndex;
opcodeIndex += key.length;
pattern.unshift("_".repeat(key.length));
}
else {
pattern.unshift(patternFromOperand(key));
patternMap[patternFromOperand(key)] = true;
let size = 0;
let mask = 0;
let bits = 0;
let from = -1;
let lbit = key.startsWith("'");
let hbit = key.endsWith("'");
if ((m = key.match(/\[\s*(\d+)\s*\:\s*(\d+)\s*\]$/))) {
const a = parseInt(m[1], 10);
const b = parseInt(m[2], 10);
if (a < b)
FAIL(`Invalid bit range '${key}' in opcode '${s}'`);
from = b;
size = a - b + 1;
mask = ((1 << size) - 1) << b;
key = key.substring(0, m.index).trim();
}
else if ((m = key.match(/\[\s*(\d+)\s*\]$/))) {
from = parseInt(m[1], 10);
size = 1;
mask = 1 << from;
key = key.substring(0, m.index).trim();
}
else if ((m = key.match(/\:\s*(\d+)$/))) {
size = parseInt(m[1], 10);
bits = size;
key = key.substring(0, m.index).trim();
}
else {
const key_ = key;
if (lbit || hbit) {
from = 0;
if (lbit && hbit)
FAIL(`Couldn't recognize the format of '${key}' in opcode '${s}'`);
if (lbit) {
key = key.substring(1);
}
if (hbit) {
key = key.substring(0, key.length - 1);
from = 4;
}
size = 1;
}
else if (FieldInfo[key]) {
// Sizes of some standard fields can be assigned automatically.
size = FieldInfo[key].bits;
bits = size;
if (fieldMap["'" + key])
from = 1;
}
else if (key.length === 1) {
// Sizes of one-letter fields (like 'U', 'F', etc...) is 1 if not specified.
size = 1;
bits = 1;
}
else {
FAIL(`Couldn't recognize the size of '${key}' in opcode '${s}'`);
}
if (dup[key_] === true) {
bits = 0;
lbit = 0;
hbit = 0;
}
else {
dup[key_] = true;
}
}
let field = fields[key];
if (!field) {
field = {
index: opcodeIndex,
values: [],
bits: 0,
mask: 0,
lbit: 0,
hbit: 0 // Only 1 if a single quote (') was used.
}
fields[key] = field;
}
if (from === -1)
from = field.bits;
field.mask |= mask;
field.bits += bits;
field.lbit += lbit;
field.hbit += hbit;
field.values.push({
index: opcodeIndex,
from: from,
size: size
});
opcodeIndex += size;
}
}
for (let i = 0; i < pattern.length; i++)
if (pattern[i] === 'U')
pattern[i] = "_";
// Normalize all fields.
for (let key in fields) {
const field = fields[key];
// There should be either number of bits or mask, there shouldn't be both.
if (!field.bits && !field.mask)
FAIL(`Part '${key}' of opcode '${s}' contains neither size nor mask`);
if (field.bits && field.mask)
FAIL(`Part '${key}' of opcode '${s}' contains both size and mask`);
if (field.bits)
field.mask = ((1 << field.bits) - 1);
else if (field.mask)
field.bits = 32 - Math.clz32(field.mask);
// Handle field that used single-quote.
if (field.lbit) {
field.mask = (field.mask << 1) | 0x1;
field.bits++;
}
if (field.hbit) {
field.mask |= 1 << field.bits;
field.bits++;
}
const op = this.operandByName(key);
if (op && op.isImm())
op.immSize = field.bits;
}
// Check if the opcode value has the correct number of bits.
if (opcodeIndex !== 32)
FAIL(`The number of bits '${opcodeIndex}' used by the opcode '${s}' doesn't match 32`);
this.opcodeValue = normalizeNumber(opcodeValue);
}
_assignSpecificAttribute(key, value) {
switch (key) {
case "it": {
const values = String(value).split("|");
for (let i = 0; i < values.length; i++) {
const value = values[i];
switch (value) {
case "in" : this.it.IN = true; break;
case "out" : this.it.OUT = true; break;
case "any" : this.it.IN = true;
this.it.OUT = true; break;
case "last": this.it.LAST = true; break;
case "def" : this.it.DEF = true; break;
default:
this.report(`${this.name}: Unhandled IT value '${value}'`);
}
}
return true;
}
}
return false;
}
_postProcess() {}
operandByName(name) {
const operands = this.operands;
for (let i = 0; i < operands.length; i++) {
const op = operands[i];
if (op.name === name)
return op;
}
return null;
}
}
arm.Instruction = Instruction;
// asmdb.aarch64.ISA
// =================
function mergeGroupData(data, group) {
for (let k in group) {
switch (k) {
case "group":
case "data":
break;
case "ext":
data[k] = (data[k] ? data[k] + " " : "") + group[k];
break;
default:
if (data[k] === undefined)
data[k] = group[k]
break;
}
}
}
class ISA extends base.ISA {
constructor(data) {
super(data);
this.addData(data || NONE);
}
_addInstructions(groups) {
for (let group of groups) {
for (let inst of group.data) {
const sgn = Utils.splitInstructionSignature(inst.inst);
const data = MapUtils.cloneExcept(inst, { "inst": true });
mergeGroupData(data, group)
for (let j = 0; j < sgn.names.length; j++) {
data.name = sgn.names[j];
data.operands = sgn.operands;
if (j > 0)
data.aliasOf = sgn.names[0];
this._addInstruction(new Instruction(this, data));
}
}
}
return this;
}
}
arm.ISA = ISA;
}).apply(this, typeof module === "object" && module && module.exports
? [module, "exports"] : [this.asmdb || (this.asmdb = {}), "aarch64"]);