protected override DesktopStackFrame GetStackFrame(DesktopThread thread, byte[] context, ulong ip, ulong framePtr, ulong frameVtbl)
{
DesktopStackFrame frame;
if (frameVtbl != 0)
{
ClrMethod innerMethod = null;
string frameName = _sos.GetFrameName(frameVtbl);
ulong md = _sos.GetMethodDescPtrFromFrame(framePtr);
if (md != 0)
{
V45MethodDescDataWrapper mdData = new V45MethodDescDataWrapper();
if (mdData.Init(_sos, md))
{
innerMethod = DesktopMethod.Create(this, mdData);
}
}
frame = new DesktopStackFrame(this, thread, context, framePtr, frameName, innerMethod);
}
else
{
frame = new DesktopStackFrame(this, thread, context, ip, framePtr, _sos.GetMethodDescPtrFromIP(ip));
}
return(frame);
}
protected override DesktopStackFrame GetStackFrame(DesktopThread thread, byte[] context, ulong ip, ulong sp, ulong frameVtbl)
{
DesktopStackFrame frame;
ClearBuffer();
if (frameVtbl != 0)
{
ClrMethod method = null;
string frameName = "Unknown Frame";
if (Request(DacRequests.FRAME_NAME, frameVtbl, _buffer))
{
frameName = BytesToString(_buffer);
}
IMethodDescData mdData = GetMethodDescData(DacRequests.METHODDESC_FRAME_DATA, sp);
if (mdData != null)
{
method = DesktopMethod.Create(this, mdData);
}
frame = new DesktopStackFrame(this, thread, context, sp, frameName, method);
}
else
{
ulong md = GetMethodDescFromIp(ip);
frame = new DesktopStackFrame(this, thread, context, ip, sp, md);
}
return(frame);
}
internal IEnumerable <ClrStackFrame> EnumerateStackFrames(DesktopThread thread)
{
using (ClrStackWalk stackwalk = _dacInterface.CreateStackWalk(thread.OSThreadId, 0xf))
{
if (stackwalk == null)
{
yield break;
}
byte[] ulongBuffer = new byte[8];
byte[] context = ContextHelper.Context;
do
{
if (!stackwalk.GetContext(ContextHelper.ContextFlags, ContextHelper.Length, out uint size, context))
{
break;
}
ulong ip, sp;
if (PointerSize == 4)
{
ip = BitConverter.ToUInt32(context, ContextHelper.InstructionPointerOffset);
sp = BitConverter.ToUInt32(context, ContextHelper.StackPointerOffset);
}
else
{
ip = BitConverter.ToUInt64(context, ContextHelper.InstructionPointerOffset);
sp = BitConverter.ToUInt64(context, ContextHelper.StackPointerOffset);
}
ulong frameVtbl = stackwalk.GetFrameVtable();
if (frameVtbl != 0)
{
sp = frameVtbl;
ReadPointer(sp, out frameVtbl);
}
byte[] contextCopy = new byte[context.Length];
Buffer.BlockCopy(context, 0, contextCopy, 0, context.Length);
DesktopStackFrame frame = GetStackFrame(thread, contextCopy, ip, sp, frameVtbl);
yield return(frame);
} while (stackwalk.Next());
}
}
internal unsafe void InitLocalData()
{
if (_corDebugInit)
{
return;
}
_corDebugInit = true;
ICorDebugThread3 thread = (ICorDebugThread3)CorDebugThread;
ICorDebugStackWalk stackwalk;
thread.CreateStackWalk(out stackwalk);
do
{
ICorDebugFrame frame;
stackwalk.GetFrame(out frame);
ICorDebugILFrame ilFrame = frame as ICorDebugILFrame;
if (ilFrame == null)
{
continue;
}
byte[] context = ContextHelper.Context;
uint size;
fixed(byte *ptr = context)
stackwalk.GetContext(ContextHelper.ContextFlags, ContextHelper.Length, out size, new IntPtr(ptr));
ulong ip = BitConverter.ToUInt32(context, ContextHelper.InstructionPointerOffset);
ulong sp = BitConverter.ToUInt32(context, ContextHelper.StackPointerOffset);
DesktopStackFrame result = _stackTrace.Where(frm => sp == frm.StackPointer && ip == frm.InstructionPointer).Select(p => (DesktopStackFrame)p).SingleOrDefault();
if (result != null)
{
result.CordbFrame = ilFrame;
}
} while (stackwalk.Next() == 0);
}
protected override DesktopStackFrame GetStackFrame(DesktopThread thread, int res, ulong ip, ulong framePtr, ulong frameVtbl)
{
DesktopStackFrame frame;
StringBuilder sb = new StringBuilder();
sb.Capacity = 256;
uint needed;
if (res >= 0 && frameVtbl != 0)
{
ClrMethod innerMethod = null;
string frameName = "Unknown Frame";
if (_sos.GetFrameName(frameVtbl, (uint)sb.Capacity, sb, out needed) >= 0)
frameName = sb.ToString();
ulong md = 0;
if (_sos.GetMethodDescPtrFromFrame(framePtr, out md) == 0)
{
V45MethodDescDataWrapper mdData = new V45MethodDescDataWrapper();
if (mdData.Init(_sos, md))
innerMethod = DesktopMethod.Create(this, mdData);
}
frame = new DesktopStackFrame(this, thread, framePtr, frameName, innerMethod);
}
else
{
ulong md;
if (_sos.GetMethodDescPtrFromIP(ip, out md) >= 0)
{
frame = new DesktopStackFrame(this, thread, ip, framePtr, md);
}
else
{
frame = new DesktopStackFrame(this, thread, ip, framePtr, 0);
}
}
return frame;
}
internal IEnumerable <ClrStackFrame> EnumerateStackFrames(DesktopThread thread)
{
IXCLRDataProcess proc = GetClrDataProcess();
object tmp;
int res = proc.GetTaskByOSThreadID(thread.OSThreadId, out tmp);
if (res < 0)
{
yield break;
}
IXCLRDataTask task = null;
IXCLRDataStackWalk stackwalk = null;
try
{
task = (IXCLRDataTask)tmp;
res = task.CreateStackWalk(0xf, out tmp);
if (res < 0)
{
yield break;
}
stackwalk = (IXCLRDataStackWalk)tmp;
byte[] ulongBuffer = new byte[8];
byte[] context = ContextHelper.Context;
do
{
uint size;
res = stackwalk.GetContext(ContextHelper.ContextFlags, ContextHelper.Length, out size, context);
if (res < 0 || res == 1)
{
break;
}
ulong ip = BitConverter.ToUInt32(context, ContextHelper.InstructionPointerOffset);
ulong sp = BitConverter.ToUInt32(context, ContextHelper.StackPointerOffset);
res = stackwalk.Request(0xf0000000, 0, null, (uint)ulongBuffer.Length, ulongBuffer);
ulong frameVtbl = 0;
if (res >= 0)
{
frameVtbl = BitConverter.ToUInt64(ulongBuffer, 0);
if (frameVtbl != 0)
{
sp = frameVtbl;
ReadPointer(sp, out frameVtbl);
}
}
DesktopStackFrame frame = GetStackFrame(thread, res, ip, sp, frameVtbl);
yield return(frame);
} while (stackwalk.Next() == 0);
}
finally
{
if (task != null)
{
Marshal.FinalReleaseComObject(task);
}
if (stackwalk != null)
{
Marshal.FinalReleaseComObject(stackwalk);
}
}
}
protected override DesktopStackFrame GetStackFrame(int res, ulong ip, ulong sp, ulong frameVtbl)
{
DesktopStackFrame frame;
ClearBuffer();
if (res >= 0 && frameVtbl != 0)
{
ClrMethod method = null;
string frameName = "Unknown Frame";
if (Request(DacRequests.FRAME_NAME, frameVtbl, _buffer))
frameName = BytesToString(_buffer);
var mdData = GetMethodDescData(DacRequests.METHODDESC_FRAME_DATA, sp);
if (mdData != null)
method = DesktopMethod.Create(this, mdData);
frame = new DesktopStackFrame(this, sp, frameName, method);
}
else
{
ulong md = GetMethodDescFromIp(ip);
frame = new DesktopStackFrame(this, ip, sp, md);
}
return frame;
}
