public void SetCurrentFrame(IFrame currentFrame)
{
if (currentFrame == null || currentFrame.Function != _lastFunction)
{
instructionsListView.Items.Clear();
_lastFunction = null;
}
if (currentFrame != null)
{
if (currentFrame.Function == _lastFunction)
{
foreach (var item in instructionsListView.Items.Cast<X86InstructionListViewItem>())
item.UpdateItem(currentFrame);
}
else
{
_lastFunction = currentFrame.Function;
var code = ((RuntimeFunction) currentFrame.Function).NativeCode;
var mapping = code.GetILToNativeMapping().ToArray();
var bytes = code.GetBytes();
var reader = new MemoryStreamReader(bytes);
var disassembler = new X86Disassembler(reader, (long) code.Address);
while (reader.Position < reader.StartPosition + reader.Length)
{
try
{
int start = (int) reader.Position;
var instruction = disassembler.ReadNextInstruction();
int end = (int) reader.Position;
var instructionBytes = new byte[end - start];
Buffer.BlockCopy(bytes, start, instructionBytes, 0, end - start);
var item = new X86InstructionListViewItem(instruction, instructionBytes);
item.RelativeOffset = start;
item.Mapping = mapping.FirstOrDefault(
x => item.RelativeOffset >= x.NativeStartOffset
&& item.RelativeOffset < x.NativeEndOffset);
item.UpdateItem(currentFrame);
instructionsListView.Items.Add(item);
}
catch (IndexOutOfRangeException)
{
// HACK: ignore mnemonic choosing errors in disassembler
}
}
}
}
}
