private string BuildTimerCallbackMethodName(ClrObject timerCallback)
{
var methodPtr = timerCallback.ReadField <ulong>("_methodPtr");
if (methodPtr != 0)
{
var method = _clr.GetMethodByInstructionPointer(methodPtr);
if (method != null)
{
// look for "this" to figure out the real callback implementor type
var thisTypeName = "?";
var thisPtr = timerCallback.ReadObjectField("_target");
if (thisPtr.IsValid)
{
var thisRef = thisPtr.Address;
var thisType = _heap.GetObjectType(thisRef);
if (thisType != null)
{
thisTypeName = thisType.Name;
}
}
else
{
thisTypeName = (method.Type != null) ? method.Type.Name : "?";
}
return($"{thisTypeName}.{method.Name}");
}
else
{
return("");
}
}
else
{
return("");
}
}
private static string?ResolveSymbol(ClrRuntime runtime, Instruction instruction, long addr, ulong currentMethodAddress)
{
var operand = instruction.Operands.Length > 0 ? instruction.Operands[0] : null;
if (operand?.PtrOffset == 0)
{
var lvalue = GetOperandLValue(operand !);
if (lvalue == null)
{
return($"{operand!.RawValue} ; failed to resolve lval ({operand.Size}), please report at https://github.com/ashmind/SharpLab/issues");
}
var baseOffset = instruction.PC - currentMethodAddress;
return($"L{baseOffset + lvalue:x4}");
}
return(runtime.GetMethodByInstructionPointer(unchecked ((ulong)addr))?.Signature);
}
