void UnhandledException(object sender, UnhandledExceptionEventArgs args)
{
// Dump global heap
Log.WriteLine("\nGlobal Heap Map:");
foreach (var sel in GlobalHeap.AllSelectors)
{
Log.WriteLine("0x{0:X4} len:0x{1:X4} - {2}",
sel.selector,
(sel.allocation == null || sel.allocation == null) ? 0 : sel.allocation.buffer.Length,
sel.name);
}
Log.WriteLine("\nCall Stack:");
bool first = true;
foreach (var e in StackWalker.WalkStack())
{
Log.WriteLine("{0} 0x{1:X4}:{2:X4} [stack={3:X4}] {4}", first ? "→" : " ",
e.csip.Hiword(), e.csip.Loword(), e.sp, e.name);
first = false;
}
// Dump exception
Log.WriteLine("\nUnhandled Exception:");
Log.WriteLine(args.ExceptionObject.ToString());
// Flush log
Log.Flush();
// Prevent re-entrancy while message box is shown
IsStoppedInDebugger = true;
// Unwrap useless exception wrapper
var x = args.ExceptionObject as Exception;
while (x is System.Reflection.TargetInvocationException)
{
x = x.InnerException;
}
User.MessageBox(IntPtr.Zero,
string.Format("An unrecoverable error has occurred:\n\n{0}", x.Message),
string.Format("{0} (via Win3mu)", System.IO.Path.GetFileName(ProgramHostPath)),
Win32.MB_OK | Win32.MB_ERROR | Win32.MB_TASKMODAL);
// Kill the process
System.Diagnostics.Process.GetCurrentProcess().Kill();
}
public Machine()
{
if (!System.Diagnostics.Debugger.IsAttached)
{
AppDomain currentDomain = AppDomain.CurrentDomain;
currentDomain.UnhandledException += UnhandledException;
}
else
{
enableDebugger = true;
logExecution = true;
}
_pathMapper = new PathMapper(this);
_globalHeap = new GlobalHeap(this);
_stringHeap = new StringHeap(this);
_moduleManager = new ModuleManager(this);
_messaging = new Messaging(this);
_variableResolver = new VariableResolver();
_expressionContext = new ExpressionContext(this);
_symbolResolver = new SymbolResolver(this);
_stackWalker = new StackWalker(this);
_expressionContext.PushSymbolScope(_symbolResolver);
this.MemoryBus = _globalHeap;
RegisterVariables();
// Create system heaps
_systemCodeSelector = _globalHeap.Alloc("System Thunks", 0, 0x10000);
_globalHeap.SetSelectorAttributes(_systemCodeSelector, true, true);
_systemDataHeap = _globalHeap.CreateLocalHeap("System Local Heap", 0);
_globalHeap.SetSelectorAttributes(_systemDataHeap.GlobalHandle, false, false);
// Initialise the system return thunk
CreateSysRetThunk();
// Creae DOS Api handler
_dos = new DosApi(this, this);
// Load standard modules
_kernel = _moduleManager.LoadModule(new Kernel()) as Kernel;
_user = _moduleManager.LoadModule(new User()) as User;
_moduleManager.LoadModule(new Gdi());
_moduleManager.LoadModule(new MMSystem());
_moduleManager.LoadModule(new Keyboard());
// _moduleManager.LoadModule(new Shell());
_moduleManager.LoadModule(new DdeML());
_moduleManager.LoadModule(new Sound());
_disassembler = new Disassembler(this);
this.InstructionHook = () =>
{
if (logExecution)
{
_disassembled = null;
Log.WriteLine(_variableResolver.ResolveTokenizedString(_logExecutionFormat));
}
};
}