// TODO is making this public a hack?
public StackSourceFrameIndex GetFrameIndex(CodeAddressIndex codeAddressIndex, out bool isReasonableTopStack)
{
isReasonableTopStack = false;
string moduleName = "?";
ModuleFileIndex moduleIdx = m_log.CodeAddresses.ModuleFileIndex(codeAddressIndex);
if (moduleIdx != Diagnostics.Tracing.ModuleFileIndex.Invalid)
{
moduleName = m_log.ModuleFiles[moduleIdx].FilePath;
if (moduleName.EndsWith("ntdll.dll", StringComparison.OrdinalIgnoreCase))
{
isReasonableTopStack = true;
}
}
var internedModule = Interner.ModuleIntern(moduleName);
string methodName = "?";
var methodIdx = m_log.CodeAddresses.MethodIndex(codeAddressIndex);
if (methodIdx != MethodIndex.Invalid)
{
methodName = m_log.CodeAddresses.Methods.FullMethodName(methodIdx);
}
else if (ShowUnknownAddressses)
{
methodName = "0x" + m_log.CallStacks.CodeAddresses.Address(codeAddressIndex).ToString("x");
}
var internedFrame = Interner.FrameIntern(methodName, internedModule);
return(internedFrame);
}
private bool ReasonableTopFrame(StackSourceCallStackIndex callStackIndex)
{
uint index = (uint)callStackIndex - (uint)StackSourceCallStackIndex.Start;
var stack = m_log.CallStacks[(CallStackIndex)callStackIndex];
if (index < (uint)m_log.CallStacks.MaxCallStackIndex)
{
CodeAddressIndex codeAddressIndex = m_log.CallStacks.CodeAddressIndex((CallStackIndex)index);
ModuleFileIndex moduleFileIndex = m_log.CallStacks.CodeAddresses.ModuleFileIndex(codeAddressIndex);
if (m_goodTopModuleIndex == moduleFileIndex) // optimization
{
return(true);
}
TraceModuleFile moduleFile = m_log.CallStacks.CodeAddresses.ModuleFile(codeAddressIndex);
if (moduleFile == null)
{
return(false);
}
// We allow things that end in ntdll to be considered unbroken (TODO is this too strong?)
if (!moduleFile.FilePath.EndsWith("ntdll.dll", StringComparison.OrdinalIgnoreCase))
{
return(false);
}
m_goodTopModuleIndex = moduleFileIndex;
return(true);
}
return(false);
}
private bool ReasonableTopFrame(StackSourceCallStackIndex callStackIndex, ThreadIndex threadIndex)
{
uint index = (uint)callStackIndex - (uint)StackSourceCallStackIndex.Start;
var stack = m_log.CallStacks[(CallStackIndex)callStackIndex];
if (index < (uint)m_log.CallStacks.Count)
{
CodeAddressIndex codeAddressIndex = m_log.CallStacks.CodeAddressIndex((CallStackIndex)index);
ModuleFileIndex moduleFileIndex = m_log.CallStacks.CodeAddresses.ModuleFileIndex(codeAddressIndex);
if (m_goodTopModuleIndex == moduleFileIndex) // optimization
{
return(true);
}
TraceModuleFile moduleFile = m_log.CallStacks.CodeAddresses.ModuleFile(codeAddressIndex);
if (moduleFile == null)
{
return(false);
}
// We allow things that end in ntdll to be considered unbroken (TODO is this too strong?)
if (moduleFile.FilePath.EndsWith("ntdll.dll", StringComparison.OrdinalIgnoreCase))
{
m_goodTopModuleIndex = moduleFileIndex;
return(true);
}
// The special processes 4 (System) and 0 (Kernel) can stay in the kernel without being broken.
if (moduleFile.FilePath.EndsWith("ntoskrnl.exe", StringComparison.OrdinalIgnoreCase))
{
var processId = m_log.Threads[threadIndex].Process.ProcessID;
if (processId == 4 || processId == 0)
{
m_goodTopModuleIndex = moduleFileIndex;
return(true);
}
}
return(false);
}
return(false);
}
public static DiscoveredModule FromIndex(ModuleFileIndex idx) => new DiscoveredModule
{
Index = idx,
};
