public DkmStackWalkFrame[] FilterNextFrame(DkmStackContext stackContext, DkmStackWalkFrame nativeFrame)
{
PyFrameObject pythonFrame = null;
var nativeModuleInstance = nativeFrame.ModuleInstance;
if (nativeModuleInstance == _pyrtInfo.DLLs.DebuggerHelper)
{
if (_pyrtInfo.LanguageVersion < PythonLanguageVersion.V36 ||
(pythonFrame = PyFrameObject.TryCreate(nativeFrame)) == null)
{
return(DebuggerOptions.ShowNativePythonFrames ? new[] { nativeFrame } : new DkmStackWalkFrame[0]);
}
}
var result = new List <DkmStackWalkFrame>();
if (pythonFrame == null)
{
var stackWalkData = stackContext.GetDataItem <StackWalkContextData>();
if (stackWalkData == null)
{
stackWalkData = new StackWalkContextData();
stackContext.SetDataItem(DkmDataCreationDisposition.CreateNew, stackWalkData);
}
bool?wasLastFrameNative = stackWalkData.IsLastFrameNative;
if (nativeModuleInstance != _pyrtInfo.DLLs.Python && nativeModuleInstance != _pyrtInfo.DLLs.CTypes)
{
stackWalkData.IsLastFrameNative = true;
if (wasLastFrameNative == false)
{
result.Add(DkmStackWalkFrame.Create(nativeFrame.Thread, null, nativeFrame.FrameBase, nativeFrame.FrameSize,
DkmStackWalkFrameFlags.NonuserCode, Strings.DebugCallStackNativeToPythonTransition, null, null));
}
else
{
stackWalkData.IsLastFrameNative = true;
}
result.Add(nativeFrame);
return(result.ToArray());
}
else
{
stackWalkData.IsLastFrameNative = false;
if (wasLastFrameNative == true)
{
result.Add(DkmStackWalkFrame.Create(nativeFrame.Thread, null, nativeFrame.FrameBase, nativeFrame.FrameSize,
DkmStackWalkFrameFlags.NonuserCode, Strings.DebugCallStackPythonToNativeTransition, null, null));
}
}
pythonFrame = PyFrameObject.TryCreate(nativeFrame);
}
if (pythonFrame == null)
{
if (DebuggerOptions.ShowNativePythonFrames)
{
result.Add(nativeFrame);
}
return(result.ToArray());
}
PyCodeObject code = pythonFrame.f_code.Read();
var loc = new SourceLocation(
code.co_filename.Read().ToStringOrNull(),
pythonFrame.f_lineno.Read(),
code.co_name.Read().ToStringOrNull(),
nativeFrame.InstructionAddress as DkmNativeInstructionAddress);
var pythonRuntime = _process.GetPythonRuntimeInstance();
var pythonModuleInstances = pythonRuntime.GetModuleInstances().OfType <DkmCustomModuleInstance>();
var pyModuleInstance = pythonModuleInstances.Where(m => m.FullName == loc.FileName).FirstOrDefault();
if (pyModuleInstance == null)
{
pyModuleInstance = pythonModuleInstances.Single(m => m.Module.Id.Mvid == Guids.UnknownPythonModuleGuid);
}
var encodedLocation = loc.Encode();
var instrAddr = DkmCustomInstructionAddress.Create(pythonRuntime, pyModuleInstance, encodedLocation, 0, encodedLocation, null);
var frame = DkmStackWalkFrame.Create(
nativeFrame.Thread,
instrAddr,
nativeFrame.FrameBase,
nativeFrame.FrameSize,
DkmStackWalkFrameFlags.None,
null,
nativeFrame.Registers,
nativeFrame.Annotations);
result.Add(frame);
if (DebuggerOptions.ShowNativePythonFrames)
{
result.Add(nativeFrame);
}
return(result.ToArray());
}
public DkmStackWalkFrame[] FilterNextFrame(DkmStackContext stackContext, DkmStackWalkFrame nativeFrame) {
var nativeModuleInstance = nativeFrame.ModuleInstance;
if (nativeModuleInstance == _pyrtInfo.DLLs.DebuggerHelper) {
return DebuggerOptions.ShowNativePythonFrames ? new[] { nativeFrame } : new DkmStackWalkFrame[0];
}
var result = new List<DkmStackWalkFrame>();
var stackWalkData = stackContext.GetDataItem<StackWalkContextData>();
if (stackWalkData == null) {
stackWalkData = new StackWalkContextData();
stackContext.SetDataItem(DkmDataCreationDisposition.CreateNew, stackWalkData);
}
bool? wasLastFrameNative = stackWalkData.IsLastFrameNative;
if (nativeModuleInstance != _pyrtInfo.DLLs.Python && nativeModuleInstance != _pyrtInfo.DLLs.CTypes) {
stackWalkData.IsLastFrameNative = true;
if (wasLastFrameNative == false) {
result.Add(DkmStackWalkFrame.Create(nativeFrame.Thread, null, nativeFrame.FrameBase, nativeFrame.FrameSize,
DkmStackWalkFrameFlags.NonuserCode, "[Native to Python Transition]", null, null));
} else {
stackWalkData.IsLastFrameNative = true;
}
result.Add(nativeFrame);
return result.ToArray();
} else {
stackWalkData.IsLastFrameNative = false;
if (wasLastFrameNative == true) {
result.Add(DkmStackWalkFrame.Create(nativeFrame.Thread, null, nativeFrame.FrameBase, nativeFrame.FrameSize,
DkmStackWalkFrameFlags.NonuserCode, "[Python to Native Transition]", null, null));
}
}
var pythonFrame = PyFrameObject.TryCreate(nativeFrame);
if (pythonFrame == null) {
if (DebuggerOptions.ShowNativePythonFrames) {
result.Add(nativeFrame);
}
return result.ToArray();
}
PyCodeObject code = pythonFrame.f_code.Read();
var loc = new SourceLocation(
code.co_filename.Read().ToStringOrNull(),
pythonFrame.f_lineno.Read(),
code.co_name.Read().ToStringOrNull(),
nativeFrame.InstructionAddress as DkmNativeInstructionAddress);
var pythonRuntime = _process.GetPythonRuntimeInstance();
var pythonModuleInstances = pythonRuntime.GetModuleInstances().OfType<DkmCustomModuleInstance>();
var pyModuleInstance = pythonModuleInstances.Where(m => m.FullName == loc.FileName).FirstOrDefault();
if (pyModuleInstance == null) {
pyModuleInstance = pythonModuleInstances.Single(m => m.Module.Id.Mvid == Guids.UnknownPythonModuleGuid);
}
var encodedLocation = loc.Encode();
var instrAddr = DkmCustomInstructionAddress.Create(pythonRuntime, pyModuleInstance, encodedLocation, 0, encodedLocation, null);
var frame = DkmStackWalkFrame.Create(
nativeFrame.Thread,
instrAddr,
nativeFrame.FrameBase,
nativeFrame.FrameSize,
DkmStackWalkFrameFlags.None,
null,
nativeFrame.Registers,
nativeFrame.Annotations);
result.Add(frame);
if (DebuggerOptions.ShowNativePythonFrames) {
result.Add(nativeFrame);
}
return result.ToArray();
}
