private static void PrintOperandValue(StringBuilder sb, object value, DisassemblyOptions options)
{
if (value is System.Type t)
{
sb.Append(t.Name);
}
else if (value is string s)
{
sb.Append($"\"{s}\"");
}
else if (value is ObjectReference or)
{
if (options.HasFlag(DisassemblyOptions.ShowNames) && or.Reference != null && !string.IsNullOrWhiteSpace(or.Reference.Name))
{
sb.Append(or.Reference.Name);
}
else
{
sb.Append(or);
}
}
else if (value is IBitEnumOperandValue beov)
{
PrintBitEnumValue(sb, beov, options);
}
else if (value is IValueEnumOperandValue veov)
{
PrintValueEnumValue(sb, veov, options);
}
else
{
sb.Append(value);
}
}
private static int TryDisassemble(DisassemblyOptions opts, Func <RomVersion, string, Func <DisassemblyTask, bool> > getFilter)
{
string path;
if (!RomVersion.TryGet(opts.GameId, opts.VersionId, out RomVersion version))
{
Console.WriteLine($"Unrecognized version {opts.GameId} {opts.VersionId}");
return(-1);
}
if (opts.RomPath != null)
{
path = opts.RomPath;
}
else if (!PathUtil.TryGetRomLocation(version, out path))
{
Console.WriteLine($"Cannot find path for {opts.GameId} {opts.VersionId}");
return(-1);
}
Disassemble.MipsToC = opts.MipsToCOutput;
Disassemble.GccOutput = Disassemble.MipsToC || !opts.ReadableOutput;
Disassemble.PrintRelocations = true;
Disassemble.SetGprNames();
Func <DisassemblyTask, bool> filter = getFilter(version, path);
if (filter == null)
{
return(-1);
}
DisassembleRom(version, path, filter);
return(0);
}
private static int Run(Options options)
{
string listing = null;
long elapsed = 0;
Disassembler ds = new Disassembler();
DisassemblyOptions settings = DisassemblyOptions.None;
if (options.ShowNames)
{
settings |= DisassemblyOptions.ShowNames;
}
if (options.ShowTypes)
{
settings |= DisassemblyOptions.ShowTypes;
}
if (options.DebugMode)
{
byte[] bytes = File.ReadAllBytes(options.InputFile);
using (MemoryStream stream = new MemoryStream(bytes))
{
// idle run just to compile code
Module.ReadFrom(stream);
Stopwatch stopwatch = new Stopwatch();
for (int i = 0; i < 5; i++)
{
stream.Position = 0;
stopwatch.Start();
Module module = Module.ReadFrom(stream);
listing = ds.Disassemble(module, settings);
stopwatch.Stop();
elapsed = stopwatch.ElapsedMilliseconds;
Console.WriteLine($"{i + 1}) Time elapsed {elapsed}ms");
stopwatch.Reset();
}
Console.WriteLine();
}
}
else
{
using (FileStream stream = File.OpenRead(options.InputFile))
{
Module module = Module.ReadFrom(stream);
listing = ds.Disassemble(module, settings);
}
}
Console.WriteLine(listing);
return(0);
}
private static void PrintOperandValue(StringBuilder sb, object value, DisassemblyOptions options)
{
switch (value)
{
case System.Type t:
sb.Append(t.Name);
break;
case string s:
{
sb.Append('"');
sb.Append(s);
sb.Append('"');
}
break;
case ObjectReference or:
{
if (options.HasFlag(DisassemblyOptions.ShowNames) && or.Reference != null && !string.IsNullOrWhiteSpace(or.Reference.Name))
{
sb.Append(or.Reference.Name);
}
else
{
or.ToString(sb);
}
}
break;
case IBitEnumOperandValue beov:
PrintBitEnumValue(sb, beov, options);
break;
case IValueEnumOperandValue veov:
PrintValueEnumValue(sb, veov, options);
break;
case VaryingOperandValue varOpVal:
varOpVal.ToString(sb);
break;
default:
sb.Append(value);
break;
}
}
public string Disassemble(Module module, DisassemblyOptions options)
{
m_sb.AppendFormat("; SPIR-V\n");
m_sb.AppendFormat("; Version: {0}\n", module.Header.Version);
if (module.Header.GeneratorName == null)
{
m_sb.AppendFormat("; Generator: {0}; {1}\n",
module.Header.GeneratorName,
module.Header.GeneratorVersion);
}
else
{
m_sb.AppendFormat("; Generator: {0} {1}; {2}\n",
module.Header.GeneratorVendor,
module.Header.GeneratorName,
module.Header.GeneratorVersion);
}
m_sb.AppendFormat("; Bound: {0}\n", module.Header.Bound);
m_sb.AppendFormat("; Schema: {0}\n", module.Header.Reserved);
List <string> lines = new List <string> ();
foreach (var i in module.Instructions)
{
PrintInstruction(m_sb, i, options);
lines.Add(m_sb.ToString());
m_sb.Clear();
}
int longestPrefix = 0;
foreach (var line in lines)
{
longestPrefix = Math.Max(longestPrefix, line.IndexOf('='));
}
foreach (var line in lines)
{
if (line.StartsWith(";"))
{
m_sb.AppendLine(line);
}
else
{
if (line.Contains("="))
{
var parts = line.Split('=');
System.Diagnostics.Debug.Assert(parts.Length == 2);
m_sb.Append(parts[0].PadLeft(longestPrefix));
m_sb.Append(" = ");
m_sb.Append(parts[1]);
}
else
{
m_sb.Append("".PadLeft(longestPrefix + 4));
m_sb.Append(line);
}
m_sb.AppendLine();
}
}
string result = m_sb.ToString();
m_sb.Clear();
return(result);
}
private static void PrintValueEnumValue(StringBuilder sb, IValueEnumOperandValue valueOperandValue, DisassemblyOptions options)
{
sb.Append(valueOperandValue.Key);
if (valueOperandValue.Value is IList <object> valueList && valueList.Count > 0)
{
sb.Append(" ");
foreach (var v in valueList)
{
PrintOperandValue(sb, v, options);
}
}
}
private static void PrintBitEnumValue(StringBuilder sb, IBitEnumOperandValue enumOperandValue, DisassemblyOptions options)
{
foreach (var key in enumOperandValue.Values.Keys)
{
sb.Append(enumOperandValue.EnumerationType.GetEnumName(key));
var value = enumOperandValue.Values[key] as IList <object>;
if (value.Count != 0)
{
sb.Append(" ");
foreach (var v in value)
{
PrintOperandValue(sb, v, options);
}
}
}
}
private static void PrintInstruction(StringBuilder sb, ParsedInstruction instruction, DisassemblyOptions options)
{
if (instruction.Operands.Count == 0)
{
sb.Append(instruction.Instruction.Name);
return;
}
int currentOperand = 0;
if (instruction.Instruction.Operands[currentOperand].Type is IdResultType)
{
if (options.HasFlag(DisassemblyOptions.ShowTypes))
{
sb.Append(instruction.ResultType.ToString());
sb.Append(" ");
}
++currentOperand;
}
if (currentOperand < instruction.Operands.Count &&
instruction.Instruction.Operands[currentOperand].Type is IdResult)
{
if (!options.HasFlag(DisassemblyOptions.ShowNames) || string.IsNullOrWhiteSpace(instruction.Name))
{
PrintOperandValue(sb, instruction.Operands[currentOperand].Value, options);
}
else
{
sb.Append(instruction.Name);
}
sb.Append(" = ");
++currentOperand;
}
sb.Append(instruction.Instruction.Name);
sb.Append(" ");
for (; currentOperand < instruction.Operands.Count; ++currentOperand)
{
PrintOperandValue(sb, instruction.Operands[currentOperand].Value, options);
sb.Append(" ");
}
}
public string Disassemble(Module module, DisassemblyOptions options)
{
m_sb.AppendLine("; SPIR-V");
m_sb.Append("; Version: ").Append(module.Header.Version).AppendLine();
if (module.Header.GeneratorName == null)
{
m_sb.Append("; Generator: unknown; ").Append(module.Header.GeneratorVersion).AppendLine();
}
else
{
m_sb.Append("; Generator: ").Append(module.Header.GeneratorVendor).Append(' ').
Append(module.Header.GeneratorName).Append("; ").Append(module.Header.GeneratorVersion).AppendLine();
}
m_sb.Append("; Bound: ").Append(module.Header.Bound).AppendLine();
m_sb.Append("; Schema: ").Append(module.Header.Reserved).AppendLine();
var lines = new string[module.Instructions.Count + 1];
lines[0] = m_sb.ToString();
m_sb.Clear();
for (var i = 0; i < module.Instructions.Count; i++)
{
var instruction = module.Instructions[i];
PrintInstruction(m_sb, instruction, options);
lines[i + 1] = m_sb.ToString();
m_sb.Clear();
}
var longestPrefix = 0;
for (var i = 0; i < lines.Length; i++)
{
var line = lines[i];
longestPrefix = Math.Max(longestPrefix, line.IndexOf('='));
if (longestPrefix > 50)
{
longestPrefix = 50;
break;
}
}
m_sb.Append(lines[0]);
for (var i = 1; i < lines.Length; i++)
{
var line = lines[i];
var index = line.IndexOf('=');
if (index == -1)
{
m_sb.Append(' ', longestPrefix + 4);
m_sb.Append(line);
}
else
{
var pad = Math.Max(0, longestPrefix - index);
m_sb.Append(' ', pad);
m_sb.Append(line, 0, index);
m_sb.Append('=');
m_sb.Append(line, index + 1, line.Length - index - 1);
}
m_sb.AppendLine();
}
var result = m_sb.ToString();
m_sb.Clear();
return(result);
}