public unsafe TraceManagerLocalHelper(DkmProcess process, Kind kind)
{
_process = process;
_pyrtInfo = process.GetPythonRuntimeInfo();
_traceFunc = _pyrtInfo.DLLs.DebuggerHelper.GetExportedFunctionAddress("TraceFunc");
_isTracing = _pyrtInfo.DLLs.DebuggerHelper.GetExportedStaticVariable <ByteProxy>("isTracing");
_pyTracingPossible = _pyrtInfo.DLLs.Python.GetStaticVariable <UInt32Proxy>("_Py_TracingPossible");
if (kind == Kind.StepIn)
{
var fieldOffsets = _pyrtInfo.DLLs.DebuggerHelper.GetExportedStaticVariable <CliStructProxy <FieldOffsets> >("fieldOffsets");
fieldOffsets.Write(new FieldOffsets(process, _pyrtInfo));
var types = _pyrtInfo.DLLs.DebuggerHelper.GetExportedStaticVariable <CliStructProxy <Types> >("types");
types.Write(new Types(process, _pyrtInfo));
var functionPointers = _pyrtInfo.DLLs.DebuggerHelper.GetExportedStaticVariable <CliStructProxy <FunctionPointers> >("functionPointers");
functionPointers.Write(new FunctionPointers(process, _pyrtInfo));
var stringEquals = _pyrtInfo.DLLs.DebuggerHelper.GetExportedStaticVariable <PointerProxy>("stringEquals");
if (_pyrtInfo.LanguageVersion <= PythonLanguageVersion.V27)
{
stringEquals.Write(_pyrtInfo.DLLs.DebuggerHelper.GetExportedFunctionAddress("StringEquals27").GetPointer());
}
else
{
stringEquals.Write(_pyrtInfo.DLLs.DebuggerHelper.GetExportedFunctionAddress("StringEquals33").GetPointer());
}
foreach (var interp in PyInterpreterState.GetInterpreterStates(process))
{
foreach (var tstate in interp.GetThreadStates())
{
RegisterTracing(tstate);
}
}
_handlers = new PythonDllBreakpointHandlers(this);
LocalComponent.CreateRuntimeDllFunctionExitBreakpoints(_pyrtInfo.DLLs.Python, "new_threadstate", _handlers.new_threadstate, enable: true);
foreach (var methodInfo in _handlers.GetType().GetMethods())
{
var stepInAttr = (StepInGateAttribute)Attribute.GetCustomAttribute(methodInfo, typeof(StepInGateAttribute));
if (stepInAttr != null &&
(stepInAttr.MinVersion == PythonLanguageVersion.None || _pyrtInfo.LanguageVersion >= stepInAttr.MinVersion) &&
(stepInAttr.MaxVersion == PythonLanguageVersion.None || _pyrtInfo.LanguageVersion <= stepInAttr.MaxVersion))
{
var handler = (StepInGateHandler)Delegate.CreateDelegate(typeof(StepInGateHandler), _handlers, methodInfo);
AddStepInGate(handler, _pyrtInfo.DLLs.Python, methodInfo.Name, stepInAttr.HasMultipleExitPoints);
}
}
if (_pyrtInfo.DLLs.CTypes != null)
{
OnCTypesLoaded(_pyrtInfo.DLLs.CTypes);
}
}
}
public ModuleManager(DkmProcess process)
{
_process = process;
_pyrtInfo = process.GetPythonRuntimeInfo();
LoadInitialPythonModules();
LocalComponent.CreateRuntimeDllFunctionBreakpoint(_pyrtInfo.DLLs.Python, "PyCode_New", PythonDllBreakpointHandlers.PyCode_New, enable: true, debugStart: true);
LocalComponent.CreateRuntimeDllFunctionBreakpoint(_pyrtInfo.DLLs.Python, "PyCode_NewEmpty", PythonDllBreakpointHandlers.PyCode_NewEmpty, enable: true, debugStart: true);
}
private void AddStepInGate(StepInGateHandler handler, DkmNativeModuleInstance module, string funcName, bool hasMultipleExitPoints)
{
var gate = new StepInGate {
Handler = handler,
HasMultipleExitPoints = hasMultipleExitPoints,
Breakpoint = LocalComponent.CreateRuntimeDllFunctionBreakpoint(module, funcName,
(thread, frameBase, vframe, retAddr) => handler(thread, frameBase, vframe, useRegisters: thread.Process.Is64Bit()))
};
_stepInGates.Add(gate);
}
public void OnPythonRuntimeInstanceLoaded()
{
var pyrtInfo = _process.GetPythonRuntimeInfo();
var handlers = new PythonDllBreakpointHandlers(this);
_exceptionBreakpoints.AddRange(LocalComponent.CreateRuntimeDllFunctionExitBreakpoints(
pyrtInfo.DLLs.Python, "PyErr_SetObject", handlers.PyErr_SetObject, enable: _monitorExceptions));
if (pyrtInfo.LanguageVersion <= PythonLanguageVersion.V27)
{
_exceptionBreakpoints.AddRange(LocalComponent.CreateRuntimeDllFunctionExitBreakpoints(
pyrtInfo.DLLs.Python, "do_raise", handlers.do_raise, enable: _monitorExceptions));
}
}
