public ExpressionEvaluator(DkmProcess process) {
_process = process;
var pyrtInfo = process.GetPythonRuntimeInfo();
_evalLoopThreadId = pyrtInfo.DLLs.DebuggerHelper.GetExportedStaticVariable<UInt64Proxy>("evalLoopThreadId");
_evalLoopFrame = pyrtInfo.DLLs.DebuggerHelper.GetExportedStaticVariable<UInt64Proxy>("evalLoopFrame");
_evalLoopResult = pyrtInfo.DLLs.DebuggerHelper.GetExportedStaticVariable<UInt64Proxy>("evalLoopResult");
_evalLoopExcType = pyrtInfo.DLLs.DebuggerHelper.GetExportedStaticVariable<UInt64Proxy>("evalLoopExcType");
_evalLoopExcValue = pyrtInfo.DLLs.DebuggerHelper.GetExportedStaticVariable<UInt64Proxy>("evalLoopExcValue");
_evalLoopExcStr = pyrtInfo.DLLs.DebuggerHelper.GetExportedStaticVariable<UInt64Proxy>("evalLoopExcStr");
_evalLoopSEHCode = pyrtInfo.DLLs.DebuggerHelper.GetExportedStaticVariable<UInt32Proxy>("evalLoopSEHCode");
_evalLoopInput = pyrtInfo.DLLs.DebuggerHelper.GetExportedStaticVariable<CStringProxy>("evalLoopInput");
LocalComponent.CreateRuntimeDllExportedFunctionBreakpoint(pyrtInfo.DLLs.DebuggerHelper, "OnEvalComplete", OnEvalComplete, enable: true);
}
public static PyLongObject Create(DkmProcess process, BigInteger value) {
var allocator = process.GetDataItem<PyObjectAllocator>();
Debug.Assert(allocator != null);
var bitsInDigit = process.Is64Bit() ? 30 : 15;
var bytesInDigit = process.Is64Bit() ? 4 : 2;
var absValue = BigInteger.Abs(value);
long numDigits = 0;
for (var t = absValue; t != 0; ) {
++numDigits;
t >>= bitsInDigit;
}
var result = allocator.Allocate<PyLongObject>(numDigits * bytesInDigit);
if (value == 0) {
result.ob_size.Write(0);
} else if (value > 0) {
result.ob_size.Write(numDigits);
} else if (value < 0) {
result.ob_size.Write(-numDigits);
}
if (bitsInDigit == 15) {
for (var digitPtr = new UInt16Proxy(process, result.ob_digit.Address); absValue != 0; digitPtr = digitPtr.GetAdjacentProxy(1)) {
digitPtr.Write((ushort)(absValue % (1 << bitsInDigit)));
absValue >>= bitsInDigit;
}
} else {
for (var digitPtr = new UInt32Proxy(process, result.ob_digit.Address); absValue != 0; digitPtr = digitPtr.GetAdjacentProxy(1)) {
digitPtr.Write((uint)(absValue % (1 << bitsInDigit)));
absValue >>= bitsInDigit;
}
}
return result;
}
public BigInteger ToBigInteger()
{
var bitsInDigit = Process.Is64Bit() ? 30 : 15;
long ob_size = this.ob_size.Read();
if (ob_size == 0)
{
return(0);
}
long count = Math.Abs(ob_size);
// Read and parse digits in reverse, starting from the most significant ones.
var result = new BigInteger(0);
if (bitsInDigit == 15)
{
UInt16Proxy digitPtr = new UInt16Proxy(Process, ob_digit.Address).GetAdjacentProxy(count);
for (long i = 0; i != count; ++i)
{
digitPtr = digitPtr.GetAdjacentProxy(-1);
result <<= bitsInDigit;
result += digitPtr.Read();
}
}
else
{
UInt32Proxy digitPtr = new UInt32Proxy(Process, ob_digit.Address).GetAdjacentProxy(count);
for (long i = 0; i != count; ++i)
{
digitPtr = digitPtr.GetAdjacentProxy(-1);
result <<= bitsInDigit;
result += digitPtr.Read();
}
}
return(ob_size > 0 ? result : -result);
}
public unsafe TraceManagerLocalHelper(DkmProcess process, Kind kind)
{
_process = process;
_pyrtInfo = process.GetPythonRuntimeInfo();
_traceFunc = _pyrtInfo.DLLs.DebuggerHelper.GetExportedFunctionAddress("TraceFunc");
_evalFrameFunc = _pyrtInfo.DLLs.DebuggerHelper.GetExportedFunctionAddress("EvalFrameFunc");
_defaultEvalFrameFunc = _pyrtInfo.DLLs.DebuggerHelper.GetExportedStaticVariable <PointerProxy>("DefaultEvalFrameFunc");
_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))
{
if (_pyrtInfo.LanguageVersion >= PythonLanguageVersion.V36)
{
RegisterJITTracing(interp);
}
foreach (var tstate in interp.GetThreadStates())
{
RegisterTracing(tstate);
}
}
_handlers = new PythonDllBreakpointHandlers(this);
LocalComponent.CreateRuntimeDllFunctionExitBreakpoints(_pyrtInfo.DLLs.Python, "new_threadstate", _handlers.new_threadstate, enable: true);
LocalComponent.CreateRuntimeDllFunctionExitBreakpoints(_pyrtInfo.DLLs.Python, "PyInterpreterState_New", _handlers.PyInterpreterState_New, 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 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 BigInteger ToBigInteger() {
var bitsInDigit = Process.Is64Bit() ? 30 : 15;
long ob_size = this.ob_size.Read();
if (ob_size == 0) {
return 0;
}
long count = Math.Abs(ob_size);
// Read and parse digits in reverse, starting from the most significant ones.
var result = new BigInteger(0);
if (bitsInDigit == 15) {
var digitPtr = new UInt16Proxy(Process, ob_digit.Address).GetAdjacentProxy(count);
for (long i = 0; i != count; ++i) {
digitPtr = digitPtr.GetAdjacentProxy(-1);
result <<= bitsInDigit;
result += digitPtr.Read();
}
} else {
var digitPtr = new UInt32Proxy(Process, ob_digit.Address).GetAdjacentProxy(count);
for (long i = 0; i != count; ++i) {
digitPtr = digitPtr.GetAdjacentProxy(-1);
result <<= bitsInDigit;
result += digitPtr.Read();
}
}
return ob_size > 0 ? result : -result;
}
