void SetFirstStackBytesStartingAddress(ParserField aField, uint aValue)
{
ThreadStackInfo stackInfo = (ThreadStackInfo)aField.Tag;
ThreadStackData stackData = stackInfo.Data;
stackData.SetStartingAddress(aValue);
}
private ParserParagraph PrepareSupervisorStack(ThreadStackInfo aStackInfo)
{
ParserParagraph para = new ParserParagraph("STACK_SUPERVISOR");
//
ParserLine l1 = ParserLine.NewSymFormat("Supervisor stack base at %08x, size == %x\r\n");
l1.ElementComplete += new ParserElementBase.ElementCompleteHandler(DisableUserStackParagraph);
l1.SetTargetProperties(aStackInfo, "BaseAddress", "Size");
//
ParserLine l2 = ParserLine.NewSymFormat("Stack pointer == %08x\r\n");
l2.SetTargetProperties(aStackInfo, "StackPointer");
// Collect the raw stack bytes
ParserLine l3 = ParserLine.NewSymFormat("%08x: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x");
l3.IsNeverEnding = true;
l3.DisableWhenComplete = false;
l3.SetTargetMethod(aStackInfo.Data, "Add");
// Record the starting address of the stack data
l3[0].SetTargetMethod(this, "SetFirstStackBytesStartingAddress");
l3[0].Tag = aStackInfo;
//
para.Add(l1, l2, l3);
return(para);
}
private ParserParagraph PrepareUserStack(ThreadStackInfo aStackInfo)
{
ParserParagraph para = new ParserParagraph(KParagraphUser);
//
ParserLine l0 = ParserLine.New("No user-mode stack");
l0.ElementComplete += new ParserElementBase.ElementCompleteHandler(NoUserStackCallBack);
//
ParserLine l1 = ParserLine.NewSymFormat("User stack base at %08x, size == %x\r\n");
l1.SetTargetProperties(aStackInfo, "BaseAddress", "Size");
//
ParserLine l2 = ParserLine.NewSymFormat("Stack pointer == %08x\r\n");
l2.SetTargetProperties(aStackInfo, "StackPointer");
//
// Not needed - ParserLine l3 = ParserLine.NewSymFormat( "Stack mapped at %08x\r\n" );
//l3.SetTargetProperties( aStackInfo.Data, "MappedAddress" );
// Collect the raw stack bytes
ParserLine l4 = ParserLine.NewSymFormat("%08x: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x");
l4.IsNeverEnding = true;
l4.DisableWhenComplete = false;
l4.SetTargetMethod(aStackInfo.Data, "Add");
// Record the starting address of the stack data
l4[0].SetTargetMethod(this, "SetFirstStackBytesStartingAddress");
l4[0].Tag = aStackInfo;
//
para.Add(l0, l1, l2, l4);
return(para);
}
private void ProcessFunctionCall(ThreadStackInfo thread, StackFrame call, IReadOnlyList <StackSampleFrame> frames, int index)
{
while (true)
{
if (index >= frames.Count)
{
thread.TopFunctionCall = call;
return;
}
var frame = frames[index];
var child = new StackFrame
{
Parent = call,
FunctionIntId = frame.InternalId,
Ip = frame.Ip
};
call = child;
index = index + 1;
}
}
private bool UpdateCallTree(StackSample arg, ThreadStackInfo thread)
{
var lastFunctionCall = thread.TopFunctionCall;
if (arg.MatchPrefixSize == 0) //Empty stack
{
lastFunctionCall = thread.RootFunctionCall;
}
else //Unwind stack till last unchanged frame
{
var depth = arg.StackSize - arg.MatchPrefixSize;
while (lastFunctionCall != null && depth > 0)
{
lastFunctionCall = lastFunctionCall.Parent;
depth--;
}
if (lastFunctionCall == null)
{
//Something's gone wrong
return(true);
}
thread.TopFunctionCall = lastFunctionCall;
}
//Ip has changed
if (arg.Ip.HasValue)
{
lastFunctionCall.Ip = arg.Ip;
}
ProcessFunctionCall(thread, lastFunctionCall, arg.Frames, 0);
return(false);
}
