public UnifiedStackFrame ConvertToUnified(ClrStackFrame frame, SourceLocation sourceLocation, ThreadInfo info)
{
var result = new UnifiedStackFrame(frame, sourceLocation);
result.ThreadContext = info.ContextStruct;
return result;
}
public UnifiedStackFrame(ClrStackFrame frame, SourceLocation sourceLocation)
{
if (frame.Kind == ClrStackFrameType.ManagedMethod)
Type = UnifiedStackFrameType.Managed;
if (frame.Kind == ClrStackFrameType.Runtime)
Type = UnifiedStackFrameType.Special;
InstructionPointer = frame.InstructionPointer;
StackPointer = frame.StackPointer;
if (frame.Method == null)
return;
Method = frame.Method.GetFullSignature();
if (frame.Method.Type != null)
Module = Path.GetFileNameWithoutExtension(frame.Method.Type.Module.Name);
OffsetInMethod = InstructionPointer - frame.Method.NativeCode;
if (sourceLocation == null)
return;
SourceFileName = sourceLocation.FilePath;
SourceLineNumber = (uint)sourceLocation.LineNumber;
SourceLineNumberEnd = (uint)sourceLocation.LineNumberEnd;
SourceColumnNumber = (uint)sourceLocation.ColStart;
SourceColumnNumberEnd = (uint)sourceLocation.ColEnd;
}
public ClrStackRoot(ulong address, ClrObject obj, ClrStackFrame stackFrame, bool pinned)
{
Address = address;
Object = obj;
StackFrame = stackFrame;
IsPinned = pinned;
}
public SourceLocation GetFileAndLineNumberSafe(ClrStackFrame frame)
{
if (frame.Method == null || frame.Method.Type == null || frame.Method.Type.Module == null)
return null;
string moduleName = frame.Method.Type.Module.Name;
if (_failedToLoadSymbols.Contains(moduleName))
return null;
// ClrStackFrame.GetFileAndLineNumber throws occasionally when something is wrong with the module.
try
{
var location = frame.GetSourceLocation();
if (location == null)
_failedToLoadSymbols.Add(moduleName);
return location;
}
catch (ClrDiagnosticsException)
{
_failedToLoadSymbols.Add(moduleName);
return null;
}
catch (InvalidOperationException)
{
_failedToLoadSymbols.Add(moduleName);
return null;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="StackFrameAdapter" /> class.
/// </summary>
/// <param name="frame">The frame.</param>
/// <exception cref="ArgumentNullException">frame</exception>
/// <inheritdoc />
public StackFrameAdapter(IConverter converter, ClrMd.ClrStackFrame frame) : base(converter)
{
Frame = frame ?? throw new ArgumentNullException(nameof(frame));
DisplayString = Frame.DisplayString;
InstructionPointer = Frame.InstructionPointer;
ModuleName = Frame.ModuleName;
StackPointer = Frame.StackPointer;
}
public ClrStackInteriorRoot(ClrSegment seg, ulong address, ulong objAddr, ClrStackFrame stackFrame, bool pinned)
{
_segment = seg;
ObjectPointer = objAddr;
Address = address;
StackFrame = stackFrame;
IsPinned = pinned;
}
/// <summary>
/// Converts the specified frame.
/// </summary>
/// <param name="frame">The frame.</param>
/// <returns>IClrStackFrame.</returns>
public IClrStackFrame Convert(ClrMd.ClrStackFrame frame)
{
if (frame == null)
{
return(null);
}
var item = new StackFrameAdapter(this, frame);
return(Cache.GetOrAdd <IClrStackFrame>(frame, () => item, () => item.Setup()));
}
public StackFrameInformation(ClrDump clrDump, ClrStackFrame frame)
{
this.clrDump = clrDump;
this.frame = frame;
DisplayString = frame.DisplayString;
Kind = frame.Kind;
Method = frame.Method;
#if LINE_AND_FILE
if (frame.Kind != ClrStackFrameType.Runtime)
{
fileAndLineNumber = clrDump.Eval(() => frame.FileAndLineNumber());
}
#endif
}
private static int FindIlOffset(ClrStackFrame frame)
{
ulong ip = frame.InstructionPointer;
int last = -1;
foreach (ILToNativeMap item in frame.Method.ILOffsetMap)
{
if (item.StartAddress > ip)
return last;
if (ip <= item.EndAddress)
return item.ILOffset;
last = item.ILOffset;
}
return last;
}
private static PdbReader GetReaderForFrame(ClrStackFrame frame)
{
ClrModule module = frame.Method?.Type?.Module;
PdbInfo info = module?.Pdb;
PdbReader reader = null;
if (info != null)
{
if (!s_pdbReaders.TryGetValue(info, out reader))
{
SymbolLocator locator = GetSymbolLocator(module);
string pdbPath = locator.FindPdb(info);
if (pdbPath != null)
reader = new PdbReader(pdbPath);
s_pdbReaders[info] = reader;
}
}
return reader;
}
