public DEBUG_STACK_FRAME_EX(DEBUG_STACK_FRAME dsf)
{
InstructionOffset = dsf.InstructionOffset;
ReturnOffset = dsf.ReturnOffset;
FrameOffset = dsf.FrameOffset;
StackOffset = dsf.StackOffset;
FuncTableEntry = dsf.FuncTableEntry;
fixed(UInt64 *pParams = Params)
{
for (int i = 0; i < 4; ++i)
{
pParams[i] = dsf.Params[i];
}
}
fixed(UInt64 *pReserved = Reserved)
{
for (int i = 0; i < 6; ++i)
{
pReserved[i] = dsf.Reserved[i];
}
}
Virtual = dsf.Virtual;
FrameNumber = dsf.FrameNumber;
InlineFrameContext = 0xFFFFFFFF;
Reserved1 = 0;
}
public UnifiedStackFrame(DEBUG_STACK_FRAME nativeFrame, IDebugSymbols2 debugSymbols)
{
FrameOffset = nativeFrame.FrameOffset;
Type = UnifiedStackFrameType.Native;
InstructionPointer = nativeFrame.InstructionOffset;
StackPointer = nativeFrame.StackOffset;
uint moduleIndex;
ulong dummy;
if (0 != debugSymbols.GetModuleByOffset(InstructionPointer, 0, out moduleIndex, out dummy))
{
//Some frames might not have modules associated with them, in which case this
//will fail, and of course there is no function associated either. This happens
//often with CLR JIT-compiled code.
Module = "<Unknown>";
Method = "<Unknown>";
return;
}
StringBuilder methodName = new StringBuilder(1024);
ulong displacement;
uint dummy2;
Util.VerifyHr(debugSymbols.GetNameByOffset(InstructionPointer, methodName, methodName.Capacity, out dummy2, out displacement));
string[] parts = methodName.ToString().Split('!');
Module = parts[0];
if (parts.Length > 1)
{
Method = parts[1];
}
OffsetInMethod = displacement;
uint sourceLine;
ulong delta;
StringBuilder sourceFile = new StringBuilder(1024);
if (0 == debugSymbols.GetLineByOffset(InstructionPointer, out sourceLine, sourceFile, sourceFile.Capacity, out dummy2, out delta))
{
SourceFileName = sourceFile.ToString();
SourceLineNumber = sourceLine;
SourceLineNumberEnd = sourceLine;
}
}
public DEBUG_STACK_FRAME_EX(DEBUG_STACK_FRAME dsf)
{
InstructionOffset = dsf.InstructionOffset;
ReturnOffset = dsf.ReturnOffset;
FrameOffset = dsf.FrameOffset;
StackOffset = dsf.StackOffset;
FuncTableEntry = dsf.FuncTableEntry;
fixed (UInt64* pParams = Params)
{
for (int i = 0; i < 4; ++i)
pParams[i] = dsf.Params[i];
}
fixed (UInt64* pReserved = Reserved)
{
for (int i = 0; i < 6; ++i)
pReserved[i] = dsf.Reserved[i];
}
Virtual = dsf.Virtual;
FrameNumber = dsf.FrameNumber;
InlineFrameContext = 0xFFFFFFFF;
Reserved1 = 0;
}
private IList<StackFrame> GetNativeStackTrace(uint threadId)
{
var debugControl = (IDebugControl) _target.DebuggerInterface;
var symbols = (IDebugSymbols) _target.DebuggerInterface;
var systemObjects = (IDebugSystemObjects) _target.DebuggerInterface;
const int framesSize = 1024;
uint framesFilled;
var frames = new DEBUG_STACK_FRAME[framesSize];
uint engineThreadId;
systemObjects.GetThreadIdBySystemId(threadId, out engineThreadId);
systemObjects.SetCurrentThreadId(engineThreadId);
debugControl.GetStackTrace(0, 0, 0, frames, framesSize, out framesFilled);
var stackTrace = new List<StackFrame>();
foreach (DEBUG_STACK_FRAME f in frames.Take((int) framesFilled))
{
const int nameBufferSize = 1024;
var nameBuffer = new StringBuilder(nameBufferSize);
uint nameSize;
ulong displacement;
if (0 !=
symbols.GetNameByOffset(f.InstructionOffset, nameBuffer, nameBufferSize, out nameSize,
out displacement))
{
nameBuffer = new StringBuilder("N/A");
}
string[] parts = nameBuffer.ToString().Split('!');
string methodName = parts[0];
string moduleName = "N/A";
if (parts.Length > 1)
{
moduleName = parts[0];
methodName = parts[1];
}
stackTrace.Add(new StackFrame
{
Type = StackFrameType.Native,
InstructionPointer = f.InstructionOffset,
StackPointer = f.StackOffset,
MethodName = methodName,
ModuleName = moduleName,
MethodOffset = displacement
});
}
return stackTrace;
}
private List<UnifiedStackFrame> GetNativeStackTrace(uint? engineThreadId, CONTEXT? context)
{
if (engineThreadId.HasValue)
Util.VerifyHr(((IDebugSystemObjects)_debugClient).SetCurrentThreadId(engineThreadId.Value));
DEBUG_STACK_FRAME[] stackFrames = new DEBUG_STACK_FRAME[200];
uint framesFilled;
if (context.HasValue)
{
int ctxSize = Marshal.SizeOf(context);
IntPtr ctxPtr = Marshal.AllocHGlobal(ctxSize);
IntPtr frameCtxsPtr = Marshal.AllocHGlobal(ctxSize * stackFrames.Length);
try
{
Marshal.StructureToPtr(context, ctxPtr, false);
Util.VerifyHr(((IDebugControl4)_debugClient).GetContextStackTrace(
ctxPtr, (uint)ctxSize, stackFrames, stackFrames.Length, frameCtxsPtr, (uint)(stackFrames.Length * ctxSize), (uint)ctxSize, out framesFilled));
}
finally
{
Marshal.FreeHGlobal(ctxPtr);
Marshal.FreeHGlobal(frameCtxsPtr);
}
}
else
{
Util.VerifyHr(((IDebugControl)_debugClient).GetStackTrace(
0, 0, 0, stackFrames, stackFrames.Length, out framesFilled));
}
List<UnifiedStackFrame> stackTrace = new List<UnifiedStackFrame>();
for (uint i = 0; i < framesFilled; ++i)
{
stackTrace.Add(new UnifiedStackFrame(stackFrames[i], (IDebugSymbols2)_debugClient));
}
return stackTrace;
}
private unsafe List<UnifiedStackFrame> GetNativeStackTrace(ThreadInfo info)
{
Util.VerifyHr(((IDebugSystemObjects)_debugClient).SetCurrentThreadId(info.EngineThreadId));
DEBUG_STACK_FRAME[] stackFrames = new DEBUG_STACK_FRAME[400];
uint framesFilled;
Util.VerifyHr(((IDebugControl)_debugClient).GetStackTrace(0, 0, 0,
stackFrames, Marshal.SizeOf<DEBUG_STACK_FRAME>(), out framesFilled));
var stackTrace = _processQuerierStrategy.ConvertToUnified(stackFrames.Take((int)framesFilled), _runtime, info, _pid);
return stackTrace;
}
private static void ShowStackTrace(int processId, uint attachTimeout, string outputPath)
{
if (processId == -1)
throw new InvalidOperationException("Uinitialized process id parameter");
var threadInfoList = new List<ThreadInfo>();
using (DataTarget dataTarget = DataTarget.AttachToProcess(processId, attachTimeout))
{
var dacLocation = dataTarget.ClrVersions[0].TryGetDacLocation();
var runtime = dataTarget.CreateRuntime(dacLocation);
var control = (IDebugControl)dataTarget.DebuggerInterface;
var sysObjs = (IDebugSystemObjects)dataTarget.DebuggerInterface;
var nativeFrames = new DEBUG_STACK_FRAME[100];
var sybSymbols = (IDebugSymbols)dataTarget.DebuggerInterface;
var sb = new StringBuilder(1024 * 1024);
foreach (ClrThread thread in runtime.Threads)
{
var threadInfo = new ThreadInfo
{
OSThreadId = thread.OSThreadId
};
if (thread.StackTrace.Count > 0)
{
foreach (ClrStackFrame frame in thread.StackTrace)
{
if (frame.DisplayString.Equals("GCFrame") || frame.DisplayString.Equals("DebuggerU2MCatchHandlerFrame"))
continue;
threadInfo.StackTrace.Add(frame.DisplayString);
}
}
else
{
threadInfo.IsNative = true;
sysObjs.SetCurrentThreadId(threadInfo.OSThreadId);
uint frameCount;
control.GetStackTrace(0, 0, 0, nativeFrames, 100, out frameCount);
for (int i = 0; i < frameCount; i++)
{
uint nameSize;
ulong dis;
sb.Clear();
sybSymbols.GetNameByOffset(nativeFrames[i].InstructionOffset, sb, sb.Capacity, out nameSize, out dis);
threadInfo.StackTrace.Add(sb.ToString());
}
}
threadInfoList.Add(threadInfo);
}
}
var mergedStackTraces = new List<StackInfo>();
foreach (var threadInfo in threadInfoList)
{
bool merged = false;
foreach (var mergedStack in mergedStackTraces)
{
if (threadInfo.IsNative != mergedStack.NativeThreads)
continue;
if (threadInfo.StackTrace.SequenceEqual(mergedStack.StackTrace, StringComparer.InvariantCultureIgnoreCase) == false)
continue;
if (mergedStack.ThreadIds.Contains(threadInfo.OSThreadId) == false)
mergedStack.ThreadIds.Add(threadInfo.OSThreadId);
merged = true;
break;
}
if (merged)
continue;
mergedStackTraces.Add(new StackInfo()
{
ThreadIds = new List<uint>() { threadInfo.OSThreadId },
StackTrace = threadInfo.StackTrace,
NativeThreads = threadInfo.IsNative
});
}
var jsonSerializer = new JsonSerializer
{
Formatting = Formatting.Indented
};
if (outputPath != null)
{
using (var output = File.Create(outputPath))
using (var streamWriter = new StreamWriter(output))
{
jsonSerializer.Serialize(streamWriter, mergedStackTraces);
}
}
else
{
jsonSerializer.Serialize(Console.Out, mergedStackTraces);
}
}
private List<UnifiedStackFrame> GetNativeStackTrace(uint engineThreadId)
{
Util.VerifyHr(((IDebugSystemObjects)_debugClient).SetCurrentThreadId(engineThreadId));
DEBUG_STACK_FRAME[] stackFrames = new DEBUG_STACK_FRAME[200];
uint framesFilled;
Util.VerifyHr(((IDebugControl)_debugClient).GetStackTrace(0, 0, 0, stackFrames, stackFrames.Length, out framesFilled));
List<UnifiedStackFrame> stackTrace = new List<UnifiedStackFrame>();
for (uint i = 0; i < framesFilled; ++i)
{
stackTrace.Add(new UnifiedStackFrame(stackFrames[i], (IDebugSymbols2)_debugClient));
}
return stackTrace;
}
