public override StackSourceCallStackIndex GetCallerIndex(StackSourceCallStackIndex callStackIndex)
{
// a call stack index might be a CLRProfiler call stack index, or it might be CLRProfiler allocation index
if ((uint)callStackIndex < (uint)m_clrProfiler.StackIdLimit)
{
ProfilerStackTraceID index = m_clrProfiler.NextFrame((ProfilerStackTraceID)callStackIndex);
if (index == ProfilerStackTraceID.Null)
{
return(StackSourceCallStackIndex.Invalid);
}
var ret = (StackSourceCallStackIndex)index;
Debug.Assert(ret != callStackIndex);
return(ret);
}
else
{
// It is a allocation index, so the frame typeName is the nodeId name (offset by the number of methods)
ProfilerAllocID allocID = (ProfilerAllocID)((int)callStackIndex - (int)m_clrProfiler.StackIdLimit);
Debug.Assert(allocID != ProfilerAllocID.Null && allocID < m_clrProfiler.AllocIdLimit);
ProfilerStackTraceID stackId = m_clrProfiler.GetAllocStack(allocID);
if (stackId == ProfilerStackTraceID.Null)
{
return(StackSourceCallStackIndex.Invalid);
}
return((StackSourceCallStackIndex)stackId);
}
}
public override StackSourceFrameIndex GetFrameIndex(StackSourceCallStackIndex callStackIndex)
{
// a call stack index might be a CLRProfiler call stack index, or it might be CLRProfiler allocation index
if ((uint)callStackIndex < (uint)m_clrProfiler.StackIdLimit)
{
var method = m_clrProfiler.Method((ProfilerStackTraceID)callStackIndex);
return((StackSourceFrameIndex)((int)method.MethodId + StackSourceFrameIndex.Start));
}
else
{
// It is a allocation index, so the frame typeName is the nodeId name (offset by the number of methods)
ProfilerAllocID allocID = (ProfilerAllocID)((int)callStackIndex - (int)m_clrProfiler.StackIdLimit);
Debug.Assert(allocID != ProfilerAllocID.Null && allocID < m_clrProfiler.AllocIdLimit);
return((StackSourceFrameIndex)((int)m_clrProfiler.MethodIdLimit + (int)m_clrProfiler.GetAllocTypeId(allocID) +
StackSourceFrameIndex.Start));
}
}
