353 lines
9.7 KiB
JavaScript
353 lines
9.7 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
|
|
|
|
"use strict";
|
|
|
|
const core = require("./tablegen.js");
|
|
const commons = require("./generator-commons.js");
|
|
const hasOwn = Object.prototype.hasOwnProperty;
|
|
|
|
const asmdb = core.asmdb;
|
|
const kIndent = commons.kIndent;
|
|
const IndexedArray = commons.IndexedArray;
|
|
const StringUtils = commons.StringUtils;
|
|
|
|
const FATAL = commons.FATAL;
|
|
|
|
// ============================================================================
|
|
// [ArmDB]
|
|
// ============================================================================
|
|
|
|
// Create AArch64 ISA.
|
|
const isa = new asmdb.aarch64.ISA();
|
|
|
|
/*
|
|
class GenUtils {
|
|
// Get a list of instructions based on `name` and optional `mode`.
|
|
static query(name, mode) {
|
|
const insts = isa.query(name);
|
|
return !mode ? insts : insts.filter(function(inst) { return inst.arch === mode; });
|
|
}
|
|
|
|
static archOf(records) {
|
|
var t16Arch = false;
|
|
var t32Arch = false;
|
|
var a32Arch = false;
|
|
var a64Arch = false;
|
|
|
|
for (var i = 0; i < records.length; i++) {
|
|
const record = records[i];
|
|
if (record.encoding === "T16") t16Arch = true;
|
|
if (record.encoding === "T32") t32Arch = true;
|
|
if (record.encoding === "A32") a32Arch = true;
|
|
if (record.encoding === "A64") a64Arch = true;
|
|
}
|
|
|
|
var s = (t16Arch && !t32Arch) ? "T16" :
|
|
(t32Arch && !t16Arch) ? "T32" :
|
|
(t16Arch && t32Arch) ? "Txx" : "---";
|
|
s += " ";
|
|
s += (a32Arch) ? "A32" : "---";
|
|
s += " ";
|
|
s += (a64Arch) ? "A64" : "---";
|
|
|
|
return `[${s}]`;
|
|
}
|
|
|
|
static featuresOf(records) {
|
|
const exts = Object.create(null);
|
|
for (var i = 0; i < records.length; i++) {
|
|
const record = records[i];
|
|
for (var k in record.extensions)
|
|
exts[k] = true;
|
|
}
|
|
const arr = Object.keys(exts);
|
|
arr.sort();
|
|
return arr;
|
|
}
|
|
}
|
|
*/
|
|
|
|
// ============================================================================
|
|
// [tablegen.arm.ArmTableGen]
|
|
// ============================================================================
|
|
|
|
class ArmTableGen extends core.TableGen {
|
|
constructor() {
|
|
super("A64");
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// [Parse / Merge]
|
|
// --------------------------------------------------------------------------
|
|
|
|
parse() {
|
|
const rawData = this.dataOfFile("src/asmjit/arm/a64instdb.cpp");
|
|
const stringData = StringUtils.extract(rawData, "// ${InstInfo:Begin}", "// ${InstInfo:End");
|
|
|
|
const re = new RegExp(
|
|
"INST\\(\\s*" +
|
|
// [01] Instruction.
|
|
"(" +
|
|
"[A-Za-z0-9_]+" +
|
|
")\\s*,\\s*" +
|
|
|
|
// [02] Encoding.
|
|
"(" +
|
|
"[^,]+" +
|
|
")\\s*,\\s*" +
|
|
|
|
// [03] OpcodeData.
|
|
"(" +
|
|
"\\([^\\)]+\\)" +
|
|
")\\s*,\\s*" +
|
|
|
|
// [04] RWInfo.
|
|
"(" +
|
|
"[^,]+" +
|
|
")\\s*,\\s*" +
|
|
|
|
// [05] InstructionFlags.
|
|
"(\\s*" +
|
|
"(?:" +
|
|
"(?:" +
|
|
"[\\d]+" +
|
|
"|" +
|
|
"F\\([^\\)]*\\)" +
|
|
")" +
|
|
"\\s*" +
|
|
"[|]?\\s*" +
|
|
")+" +
|
|
")\\s*,\\s*" +
|
|
|
|
// --- autogenerated fields ---
|
|
|
|
// [06] OpcodeDataIndex.
|
|
"([^\\)]+)" +
|
|
"\\s*\\)"
|
|
|
|
, "g");
|
|
|
|
var m;
|
|
while ((m = re.exec(stringData)) !== null) {
|
|
var enum_ = m[1];
|
|
var name = enum_ === "None" ? "" : enum_.toLowerCase();
|
|
var encoding = m[2].trim();
|
|
var opcodeData = m[3].trim();
|
|
var rwInfo = m[4].trim();
|
|
var instFlags = m[5].trim();
|
|
|
|
var displayName = name;
|
|
if (name.endsWith("_v"))
|
|
displayName = name.substring(0, name.length - 2);
|
|
|
|
// We have just matched #define INST()
|
|
if (name == "id" &&
|
|
encoding === "encoding" &&
|
|
encodingDataIndex === "encodingDataIndex")
|
|
continue;
|
|
|
|
this.addInst({
|
|
id : 0, // Instruction id (numeric value).
|
|
name : name, // Instruction name.
|
|
displayName : displayName, // Instruction name to display.
|
|
enum : enum_, // Instruction enum without `kId` prefix.
|
|
encoding : encoding, // Opcode encoding.
|
|
opcodeData : opcodeData, // Opcode data.
|
|
opcodeDataIndex : -1, // Opcode data index.
|
|
rwInfo : rwInfo, // RW info.
|
|
flags : instFlags // Instruction flags.
|
|
});
|
|
}
|
|
|
|
if (this.insts.length === 0 || this.insts.length !== StringUtils.countOf(stringData, "INST("))
|
|
FATAL("ARMTableGen.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.opcodeData ).padEnd(86) + ", " +
|
|
String(inst.rwInfo ).padEnd(10) + ", " +
|
|
String(inst.flags ).padEnd(26) + ", " +
|
|
String(inst.opcodeDataIndex ).padEnd( 3) + ")" ;
|
|
}) + "\n";
|
|
return this.inject("InstInfo", s, this.insts.length * 4);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// [Hooks]
|
|
// --------------------------------------------------------------------------
|
|
|
|
onBeforeRun() {
|
|
this.load([
|
|
"src/asmjit/arm/a64emitter.h",
|
|
"src/asmjit/arm/a64globals.h",
|
|
"src/asmjit/arm/a64instdb.cpp",
|
|
"src/asmjit/arm/a64instdb.h",
|
|
"src/asmjit/arm/a64instdb_p.h"
|
|
]);
|
|
this.parse();
|
|
}
|
|
|
|
onAfterRun() {
|
|
this.merge();
|
|
this.save();
|
|
this.dumpTableSizes();
|
|
}
|
|
}
|
|
|
|
// ============================================================================
|
|
// [tablegen.arm.IdEnum]
|
|
// ============================================================================
|
|
|
|
class IdEnum extends core.IdEnum {
|
|
constructor() {
|
|
super("IdEnum");
|
|
}
|
|
|
|
comment(inst) {
|
|
let name = inst.name;
|
|
let ext = [];
|
|
|
|
if (name.endsWith("_v")) {
|
|
name = name.substr(0, name.length - 2);
|
|
ext.push("ASIMD");
|
|
}
|
|
|
|
let exts = "";
|
|
if (ext.length)
|
|
exts = " {" + ext.join("&") + "}";
|
|
|
|
return `Instruction '${name}'${exts}.`;
|
|
}
|
|
}
|
|
|
|
// ============================================================================
|
|
// [tablegen.arm.NameTable]
|
|
// ============================================================================
|
|
|
|
class NameTable extends core.NameTable {
|
|
constructor() {
|
|
super("NameTable");
|
|
}
|
|
}
|
|
|
|
// ============================================================================
|
|
// [tablegen.arm.EncodingTable]
|
|
// ============================================================================
|
|
|
|
class EncodingTable extends core.Task {
|
|
constructor() {
|
|
super("EncodingTable");
|
|
}
|
|
|
|
run() {
|
|
const insts = this.ctx.insts;
|
|
const map = {};
|
|
|
|
for (var i = 0; i < insts.length; i++) {
|
|
const inst = insts[i];
|
|
|
|
const encoding = inst.encoding;
|
|
const opcodeData = inst.opcodeData.replace(/\(/g, "{ ").replace(/\)/g, " }");
|
|
|
|
if (!hasOwn.call(map, encoding))
|
|
map[encoding] = [];
|
|
|
|
if (inst.opcodeData === "(_)") {
|
|
inst.opcodeDataIndex = 0;
|
|
continue;
|
|
}
|
|
|
|
const opcodeTable = map[encoding];
|
|
const opcodeDataIndex = opcodeTable.length;
|
|
|
|
opcodeTable.push({ name: inst.name, data: opcodeData });
|
|
inst.opcodeDataIndex = opcodeDataIndex;
|
|
}
|
|
|
|
const keys = Object.keys(map);
|
|
keys.sort();
|
|
|
|
var tableSource = "";
|
|
var tableHeader = "";
|
|
var encodingIds = "";
|
|
|
|
encodingIds += "enum EncodingId : uint32_t {\n"
|
|
encodingIds += " kEncodingNone = 0";
|
|
|
|
keys.forEach((dataClass) => {
|
|
const dataName = dataClass[0].toLowerCase() + dataClass.substr(1);
|
|
const opcodeTable = map[dataClass];
|
|
const count = opcodeTable.length;
|
|
|
|
if (dataClass !== "None") {
|
|
encodingIds += ",\n"
|
|
encodingIds += " kEncoding" + dataClass;
|
|
}
|
|
|
|
if (count) {
|
|
tableHeader += `extern const ${dataClass} ${dataName}[${count}];\n`;
|
|
|
|
if (tableSource)
|
|
tableSource += "\n";
|
|
|
|
tableSource += `const ${dataClass} ${dataName}[${count}] = {\n`;
|
|
for (var i = 0; i < count; i++) {
|
|
tableSource += ` ${opcodeTable[i].data}` + (i == count - 1 ? " " : ",") + " // " + opcodeTable[i].name + "\n";
|
|
}
|
|
tableSource += `};\n`;
|
|
}
|
|
});
|
|
|
|
encodingIds += "\n};\n";
|
|
|
|
return this.ctx.inject("EncodingId" , StringUtils.disclaimer(encodingIds), 0) +
|
|
this.ctx.inject("EncodingDataForward", StringUtils.disclaimer(tableHeader), 0) +
|
|
this.ctx.inject("EncodingData" , StringUtils.disclaimer(tableSource), 0);
|
|
}
|
|
}
|
|
// ============================================================================
|
|
// [tablegen.arm.CommonTable]
|
|
// ============================================================================
|
|
|
|
class CommonTable extends core.Task {
|
|
constructor() {
|
|
super("CommonTable", [
|
|
"IdEnum",
|
|
"NameTable"
|
|
]);
|
|
}
|
|
|
|
run() {
|
|
//const table = new IndexedArray();
|
|
|
|
//for (var i = 0; i < insts.length; i++) {
|
|
// const inst = insts[i];
|
|
// const item = "{ " + "0" + "}";
|
|
// inst.commonIndex = table.addIndexed(item);
|
|
//}
|
|
|
|
// return this.ctx.inject("InstInfo", StringUtils.disclaimer(s), 0);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
// ============================================================================
|
|
// [Main]
|
|
// ============================================================================
|
|
|
|
new ArmTableGen()
|
|
.addTask(new IdEnum())
|
|
.addTask(new NameTable())
|
|
.addTask(new EncodingTable())
|
|
.addTask(new CommonTable())
|
|
.run();
|