public void ElfReadTest()
{
var file = GetTempFile();
var asm = new IshtarAssembly
{
Name = "wave_test"
};
asm.AddSegment((".code", Encoding.ASCII.GetBytes("IL_CODE")));
IshtarAssembly.WriteTo(asm, file);
var result = IshtarAssembly.LoadFromFile(file);
var(_, body) = result.Sections[0];
Assert.AreEqual("IL_CODE", Encoding.ASCII.GetString(body));
var f_mem = new MemoryStream(File.ReadAllBytes(file));
f_mem.Seek(f_mem.Capacity - (sizeof(uint) * 2), SeekOrigin.Begin);
var bin = new BinaryReader(f_mem);
var len = bin.ReadUInt32();
var offset = bin.ReadUInt32();
f_mem.Seek(offset, SeekOrigin.Begin);
var bytes = bin.ReadBytes((int)len);
Assert.AreEqual("IL_CODE", Encoding.ASCII.GetString(bytes));
File.Delete(file);
}
public void ElfReadManual()
{
var file = @"C:\Users\ls-mi\Desktop\wave.elf";
var asm = new IshtarAssembly
{
Name = "wave_test"
};
asm.AddSegment((".code", Encoding.ASCII.GetBytes("IL_CODE")));
IshtarAssembly.WriteTo(asm, file);
var result = IshtarAssembly.LoadFromFile(file);
}
public static unsafe int Main(string[] args)
{
ishtar.Trace.init();
//while (!Debugger.IsAttached)
// Thread.Sleep(200);
Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
Console.OutputEncoding = Encoding.Unicode;
}
IshtarCore.INIT();
INIT_VTABLES();
IshtarGC.INIT();
FFI.INIT();
AppVault.CurrentVault = new AppVault("app");
var masterModule = default(IshtarAssembly);
var resolver = default(AssemblyResolver);
if (AssemblyBundle.IsBundle(out var bundle))
{
resolver = AppVault.CurrentVault.GetResolver();
masterModule = bundle.Assemblies.First();
resolver.AddInMemory(bundle);
}
else
{
if (args.Length < 1)
{
return(-1);
}
var entry = new FileInfo(args.First());
if (!entry.Exists)
{
return(-2);
}
AppVault.CurrentVault.WorkDirecotry = entry.Directory;
resolver = AppVault.CurrentVault.GetResolver();
masterModule = IshtarAssembly.LoadFromFile(entry);
resolver.AddSearchPath(entry.Directory);
}
var module = resolver.Resolve(masterModule);
foreach (var @class in module.class_table.OfType <RuntimeIshtarClass>())
{
@class.init_vtable();
VM.ValidateLastError();
}
var entry_point = module.GetEntryPoint();
if (entry_point is null)
{
VM.FastFail(WNE.MISSING_METHOD, $"Entry point in '{module.Name}' module is not defined.", IshtarFrames.EntryPoint);
VM.ValidateLastError();
return(-280);
}
var args_ = stackalloc stackval[1];
var frame = new CallFrame
{
args = args_,
method = entry_point,
level = 0
};
{// i don't know why
IshtarCore.INIT_ADDITIONAL_MAPPING();
INIT_VTABLES();
}
var watcher = Stopwatch.StartNew();
VM.exec_method(frame);
if (frame.exception is not null)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"unhandled exception '{frame.exception.value->decodeClass().Name}' was thrown. \n" +
$"{frame.exception.stack_trace}");
Console.ForegroundColor = ConsoleColor.White;
}
watcher.Stop();
Console.WriteLine($"Elapsed: {watcher.Elapsed}");
return(0);
}