dx @$tmpFile = Debugger.Utility.FileSystem.TempDirectory.OpenFile("log.txt")
dx @$txtWriter = Debugger.Utility.FileSystem.CreateTextWriter(@$tmpFile)
ba r4 nt!PsInitialSystemProcess "dx @$txtWriter.WriteLine(@$getsym(@$curstack.Frames[0].Attributes.InstructionOffset)); g"
dx @$tmpFile.Close()