// Retrieves a list of the stack frames for this thread.
// For the sample engine, enumerating the stack frames requires walking the callstack in the debuggee for this thread
// and coverting that to an implementation of IEnumDebugFrameInfo2.
// Real engines will most likely want to cache this information to avoid recomputing it each time it is asked for,
// and or construct it on demand instead of walking the entire stack.
int IDebugThread2.EnumFrameInfo(enum_FRAMEINFO_FLAGS dwFieldSpec, uint nRadix, out IEnumDebugFrameInfo2 enumObject)
{
// Ask the lower-level to perform a stack walk on this thread
m_engine.DebuggedProcess.DoStackWalk(this.m_debuggedThread);
enumObject = null;
try
{
System.Collections.Generic.List <X86ThreadContext> stackFrames = this.m_debuggedThread.StackFrames;
int numStackFrames = stackFrames.Count;
FRAMEINFO[] frameInfoArray;
if (numStackFrames == 0)
{
// failed to walk any frames. Only return the top frame.
frameInfoArray = new FRAMEINFO[1];
AD7StackFrame frame = new AD7StackFrame(m_engine, this, GetThreadContext());
frame.SetFrameInfo(dwFieldSpec, out frameInfoArray[0]);
}
else
{
frameInfoArray = new FRAMEINFO[numStackFrames];
for (int i = 0; i < numStackFrames; i++)
{
AD7StackFrame frame = new AD7StackFrame(m_engine, this, stackFrames[i]);
frame.SetFrameInfo(dwFieldSpec, out frameInfoArray[i]);
}
}
enumObject = new AD7FrameInfoEnum(frameInfoArray);
return(Constants.S_OK);
}
catch (ComponentException e)
{
return(e.HResult);
}
catch (Exception e)
{
return(EngineUtils.UnexpectedException(e));
}
}
// Retrieves a list of the stack frames for this thread.
// For the sample engine, enumerating the stack frames requires walking the callstack in the debuggee for this thread
// and coverting that to an implementation of IEnumDebugFrameInfo2.
// Real engines will most likely want to cache this information to avoid recomputing it each time it is asked for,
// and or construct it on demand instead of walking the entire stack.
int IDebugThread2.EnumFrameInfo(enum_FRAMEINFO_FLAGS dwFieldSpec, uint nRadix, out IEnumDebugFrameInfo2 enumObject)
{
// Ask the lower-level to perform a stack walk on this thread
m_engine.DebuggedProcess.DoStackWalk(this.m_debuggedThread);
enumObject = null;
try
{
System.Collections.Generic.List<X86ThreadContext> stackFrames = this.m_debuggedThread.StackFrames;
int numStackFrames = stackFrames.Count;
FRAMEINFO[] frameInfoArray;
if (numStackFrames == 0)
{
// failed to walk any frames. Only return the top frame.
frameInfoArray = new FRAMEINFO[1];
AD7StackFrame frame = new AD7StackFrame(m_engine, this, GetThreadContext());
frame.SetFrameInfo(dwFieldSpec, out frameInfoArray[0]);
}
else
{
frameInfoArray = new FRAMEINFO[numStackFrames];
for (int i = 0; i < numStackFrames; i++)
{
AD7StackFrame frame = new AD7StackFrame(m_engine, this, stackFrames[i]);
frame.SetFrameInfo(dwFieldSpec, out frameInfoArray[i]);
}
}
enumObject = new AD7FrameInfoEnum(frameInfoArray);
return Constants.S_OK;
}
catch (ComponentException e)
{
return e.HResult;
}
catch (Exception e)
{
return EngineUtils.UnexpectedException(e);
}
}
