public static bool TryParse (string line, out StackFrameData stackFrame)
{
stackFrame = null;
var match = regex.Match (line);
if (!match.Success)
return false;
string typeFullName, methodSignature;
var methodStr = match.Groups ["Method"].Value.Trim ();
if (!ExtractSignatures (methodStr, out typeFullName, out methodSignature))
return false;
var isILOffset = !string.IsNullOrEmpty (match.Groups ["IL"].Value);
var offsetVarName = (isILOffset)? "IL" : "NativeOffset";
var offset = int.Parse (match.Groups [offsetVarName].Value, NumberStyles.HexNumber, CultureInfo.InvariantCulture);
uint methodIndex = 0xffffff;
if (!string.IsNullOrEmpty (match.Groups ["MethodIndex"].Value))
methodIndex = uint.Parse (match.Groups ["MethodIndex"].Value, CultureInfo.InvariantCulture);
var mvid = match.Groups ["MVID"].Value;
var aotid = match.Groups ["AOTID"].Value;
stackFrame = new StackFrameData (line, typeFullName, methodSignature, offset, isILOffset, methodIndex, mvid, aotid);
return true;
}
internal bool TryResolveLocation(StackFrameData sfData, out Location location)
{
if (sfData.Mvid == null)
{
location = default;
return(false);
}
var assemblyLocProvider = GetOrCreateAssemblyLocationProvider(sfData.Mvid);
if (assemblyLocProvider == null)
{
location = default;
return(false);
}
SeqPointInfo seqPointInfo = null;
if (!sfData.IsILOffset && sfData.Aotid != null)
{
seqPointInfo = GetOrCreateSeqPointInfo(sfData.Aotid);
}
return(assemblyLocProvider.TryResolveLocation(sfData, seqPointInfo, out location));
}
public bool TryResolveLocation (StackFrameData sfData, SeqPointInfo seqPointInfo)
{
if (!assembly.MainModule.HasSymbols)
return false;
TypeDefinition type = null;
var nested = sfData.TypeFullName.Split ('+');
var types = assembly.MainModule.Types;
foreach (var ntype in nested) {
if (type == null) {
// Use namespace first time.
type = types.FirstOrDefault (t => t.FullName == ntype);
} else {
type = types.FirstOrDefault (t => t.Name == ntype);
}
if (type == null) {
logger.LogWarning ("Could not find type: {0}", ntype);
return false;
}
types = type.NestedTypes;
}
var parensStart = sfData.MethodSignature.IndexOf ('(');
var methodName = sfData.MethodSignature.Substring (0, parensStart).TrimEnd ();
var methodParameters = sfData.MethodSignature.Substring (parensStart);
var method = type.Methods.FirstOrDefault (m => CompareName (m, methodName) && CompareParameters (m.Parameters, methodParameters));
if (method == null) {
logger.LogWarning ("Could not find method: {0}", methodName);
return false;
}
int ilOffset;
if (sfData.IsILOffset) {
ilOffset = sfData.Offset;
} else {
if (seqPointInfo == null)
return false;
ilOffset = seqPointInfo.GetILOffset (method.MetadataToken.ToInt32 (), sfData.MethodIndex, sfData.Offset);
}
if (ilOffset < 0)
return false;
SequencePoint sp = null;
foreach (var instr in method.Body.Instructions) {
if (instr.SequencePoint != null)
sp = instr.SequencePoint;
if (instr.Offset >= ilOffset) {
sfData.SetLocation (sp.Document.Url, sp.StartLine);
return true;
}
}
return false;
}
internal bool TryResolveLocation (StackFrameData sfData, string mvid, string aotid)
{
if (mvid == null)
return false;
var assemblyLocProvider = GetOrCreateAssemblyLocationProvider (mvid);
if (assemblyLocProvider == null)
return false;
SeqPointInfo seqPointInfo = null;
if (!sfData.IsILOffset && aotid != null)
seqPointInfo = GetOrCreateSeqPointInfo (aotid);
return assemblyLocProvider.TryResolveLocation (sfData, seqPointInfo);
}
public static StringBuilder Process(StreamReader reader, SymbolManager symbolManager)
{
List <StackFrameData> stackFrames = new List <StackFrameData>();
List <StackTraceMetadata> metadata = new List <StackTraceMetadata>();
StringBuilder sb = new StringBuilder();
bool linesEnded = false;
for (var line = reader.ReadLine(); line != null; line = reader.ReadLine())
{
StackFrameData sfData;
if (!linesEnded && StackFrameData.TryParse(line, out sfData))
{
stackFrames.Add(sfData);
continue;
}
if (stackFrames.Count > 0)
{
linesEnded = true;
StackTraceMetadata stMetadata;
if (StackTraceMetadata.TryParse(line, out stMetadata))
{
metadata.Add(stMetadata);
continue;
}
DumpStackTrace(symbolManager, sb, stackFrames, metadata);
// Clear lists for next stack trace
stackFrames.Clear();
metadata.Clear();
}
linesEnded = false;
// Append last line
sb.AppendLine(line);
}
if (stackFrames.Count > 0)
{
DumpStackTrace(symbolManager, sb, stackFrames, metadata);
}
return(sb);
}
private static void SymbolicateAction(List <string> args)
{
var msymDir = args [0];
var inputFile = args [1];
var symbolManager = new SymbolManager(msymDir, logger);
using (StreamReader r = new StreamReader(inputFile)) {
for (var line = r.ReadLine(); line != null; line = r.ReadLine())
{
if (StackFrameData.TryParse(line, out var sfData) && symbolManager.TryResolveLocation(sfData, out var location))
{
var sign = sfData.Line.Substring(0, sfData.Line.IndexOf(" in <", StringComparison.Ordinal));
line = $"{sign} in {location.File}:{location.Line}";
}
Console.WriteLine(line);
}
}
}
private static void SymbolicateAction(List <string> args)
{
var msymDir = args [0];
var inputFile = args [1];
var symbolManager = new SymbolManager(msymDir, logger);
using (StreamReader r = new StreamReader(inputFile)) {
for (var line = r.ReadLine(); line != null; line = r.ReadLine())
{
StackFrameData sfData;
if (StackFrameData.TryParse(line, out sfData) &&
symbolManager.TryResolveLocation(sfData))
{
Console.WriteLine(sfData.ToString());
continue;
}
Console.WriteLine(line);
}
}
}
public static bool TryParse(string line, out StackFrameData stackFrame)
{
stackFrame = null;
var match = regex.Match(line);
if (!match.Success)
{
if (line.Trim().StartsWith("at ", StringComparison.InvariantCulture))
{
stackFrame = new StackFrameData(line);
return(true);
}
return(false);
}
string typeFullName, methodSignature;
var methodStr = match.Groups ["Method"].Value.Trim();
if (!ExtractSignatures(methodStr, out typeFullName, out methodSignature))
{
return(false);
}
var isILOffset = !string.IsNullOrEmpty(match.Groups ["IL"].Value);
var offsetVarName = (isILOffset)? "IL" : "NativeOffset";
var offset = int.Parse(match.Groups [offsetVarName].Value, NumberStyles.HexNumber, CultureInfo.InvariantCulture);
uint methodIndex = 0xffffff;
if (!string.IsNullOrEmpty(match.Groups ["MethodIndex"].Value))
{
methodIndex = uint.Parse(match.Groups ["MethodIndex"].Value, CultureInfo.InvariantCulture);
}
stackFrame = new StackFrameData(line, typeFullName, methodSignature, offset, isILOffset, methodIndex);
return(true);
}
internal bool TryResolveLocation(StackFrameData sfData, string mvid, string aotid)
{
if (mvid == null)
{
return(false);
}
var assemblyLocProvider = GetOrCreateAssemblyLocationProvider(mvid);
if (assemblyLocProvider == null)
{
return(false);
}
SeqPointInfo seqPointInfo = null;
if (!sfData.IsILOffset && aotid != null)
{
seqPointInfo = GetOrCreateSeqPointInfo(aotid);
}
return(assemblyLocProvider.TryResolveLocation(sfData, seqPointInfo));
}
public bool TryResolveLocation(StackFrameData sfData, SeqPointInfo seqPointInfo, out Location location)
{
var readerParameters = new ReaderParameters {
ReadSymbols = true
};
using (var assembly = AssemblyDefinition.ReadAssembly(assemblyFullPath, readerParameters)) {
if (!assembly.MainModule.HasSymbols)
{
location = default;
return(false);
}
TypeDefinition type = null;
string[] nested;
if (sfData.TypeFullName.IndexOf('/') >= 0)
{
nested = sfData.TypeFullName.Split('/');
}
else
{
nested = sfData.TypeFullName.Split('+');
}
var types = assembly.MainModule.Types;
foreach (var ntype in nested)
{
if (type == null)
{
// Use namespace first time.
type = types.FirstOrDefault(t => t.FullName == ntype);
}
else
{
type = types.FirstOrDefault(t => t.Name == ntype);
}
if (type == null)
{
logger.LogWarning("Could not find type: {0}", ntype);
location = default;
return(false);
}
types = type.NestedTypes;
}
var parensStart = sfData.MethodSignature.IndexOf('(');
var methodName = sfData.MethodSignature.Substring(0, parensStart).TrimEnd();
var methodParameters = sfData.MethodSignature.Substring(parensStart);
var methods = type.Methods.Where(m => CompareName(m, methodName) && CompareParameters(m.Parameters, methodParameters)).ToArray();
if (methods.Length == 0)
{
logger.LogWarning("Could not find method: {0}", methodName);
location = default;
return(false);
}
if (methods.Length > 1)
{
logger.LogWarning("Ambiguous match for method: {0}", sfData.MethodSignature);
location = default;
return(false);
}
var method = methods [0];
int ilOffset;
if (sfData.IsILOffset)
{
ilOffset = sfData.Offset;
}
else
{
if (seqPointInfo == null)
{
location = default;
return(false);
}
ilOffset = seqPointInfo.GetILOffset(method.MetadataToken.ToInt32(), sfData.MethodIndex, sfData.Offset);
}
if (ilOffset < 0)
{
location = default;
return(false);
}
if (!method.DebugInformation.HasSequencePoints)
{
var async_method = GetAsyncStateMachine(method);
if (async_method?.ConstructorArguments?.Count == 1)
{
string state_machine = ((TypeReference)async_method.ConstructorArguments [0].Value).FullName;
return(TryResolveLocation(sfData.Relocate(state_machine, "MoveNext ()"), seqPointInfo, out location));
}
location = default;
return(false);
}
SequencePoint prev = null;
foreach (var sp in method.DebugInformation.SequencePoints.OrderBy(l => l.Offset))
{
if (sp.Offset >= ilOffset)
{
location = new Location(sp.Document.Url, sp.StartLine);
return(true);
}
prev = sp;
}
if (prev != null)
{
location = new Location(prev.Document.Url, prev.StartLine);
return(true);
}
location = default;
return(false);
}
}
public bool TryResolveLocation(StackFrameData sfData, SeqPointInfo seqPointInfo)
{
if (!assembly.MainModule.HasSymbols)
{
return(false);
}
TypeDefinition type = null;
string[] nested;
if (sfData.TypeFullName.IndexOf('/') >= 0)
{
nested = sfData.TypeFullName.Split('/');
}
else
{
nested = sfData.TypeFullName.Split('+');
}
var types = assembly.MainModule.Types;
foreach (var ntype in nested)
{
if (type == null)
{
// Use namespace first time.
type = types.FirstOrDefault(t => t.FullName == ntype);
}
else
{
type = types.FirstOrDefault(t => t.Name == ntype);
}
if (type == null)
{
logger.LogWarning("Could not find type: {0}", ntype);
return(false);
}
types = type.NestedTypes;
}
var parensStart = sfData.MethodSignature.IndexOf('(');
var methodName = sfData.MethodSignature.Substring(0, parensStart).TrimEnd();
var methodParameters = sfData.MethodSignature.Substring(parensStart);
var methods = type.Methods.Where(m => CompareName(m, methodName) && CompareParameters(m.Parameters, methodParameters)).ToArray();
if (methods.Length == 0)
{
logger.LogWarning("Could not find method: {0}", methodName);
return(false);
}
if (methods.Length > 1)
{
logger.LogWarning("Ambiguous match for method: {0}", sfData.MethodSignature);
return(false);
}
var method = methods [0];
int ilOffset;
if (sfData.IsILOffset)
{
ilOffset = sfData.Offset;
}
else
{
if (seqPointInfo == null)
{
return(false);
}
ilOffset = seqPointInfo.GetILOffset(method.MetadataToken.ToInt32(), sfData.MethodIndex, sfData.Offset);
}
if (ilOffset < 0)
{
return(false);
}
if (!method.DebugInformation.HasSequencePoints)
{
return(false);
}
SequencePoint prev = null;
foreach (var sp in method.DebugInformation.SequencePoints.OrderBy(l => l.Offset))
{
if (sp.Offset >= ilOffset)
{
sfData.SetLocation(sp.Document.Url, sp.StartLine);
return(true);
}
prev = sp;
}
if (prev != null)
{
sfData.SetLocation(prev.Document.Url, prev.StartLine);
return(true);
}
return(false);
}
public bool TryResolveLocation (StackFrameData sfData, SeqPointInfo seqPointInfo)
{
if (!assembly.MainModule.HasSymbols)
return false;
TypeDefinition type = null;
string[] nested;
if (sfData.TypeFullName.IndexOf ('/') >= 0)
nested = sfData.TypeFullName.Split ('/');
else
nested = sfData.TypeFullName.Split ('+');
var types = assembly.MainModule.Types;
foreach (var ntype in nested) {
if (type == null) {
// Use namespace first time.
type = types.FirstOrDefault (t => t.FullName == ntype);
} else {
type = types.FirstOrDefault (t => t.Name == ntype);
}
if (type == null) {
logger.LogWarning ("Could not find type: {0}", ntype);
return false;
}
types = type.NestedTypes;
}
var parensStart = sfData.MethodSignature.IndexOf ('(');
var methodName = sfData.MethodSignature.Substring (0, parensStart).TrimEnd ();
var methodParameters = sfData.MethodSignature.Substring (parensStart);
var methods = type.Methods.Where (m => CompareName (m, methodName) && CompareParameters (m.Parameters, methodParameters)).ToArray ();
if (methods.Length == 0) {
logger.LogWarning ("Could not find method: {0}", methodName);
return false;
}
if (methods.Length > 1) {
logger.LogWarning ("Ambiguous match for method: {0}", sfData.MethodSignature);
return false;
}
var method = methods [0];
int ilOffset;
if (sfData.IsILOffset) {
ilOffset = sfData.Offset;
} else {
if (seqPointInfo == null)
return false;
ilOffset = seqPointInfo.GetILOffset (method.MetadataToken.ToInt32 (), sfData.MethodIndex, sfData.Offset);
}
if (ilOffset < 0)
return false;
if (!method.DebugInformation.HasSequencePoints)
return false;
SequencePoint prev = null;
foreach (var sp in method.DebugInformation.SequencePoints.OrderBy (l => l.Offset)) {
if (sp.Offset >= ilOffset) {
sfData.SetLocation (sp.Document.Url, sp.StartLine);
return true;
}
prev = sp;
}
if (prev != null) {
sfData.SetLocation (prev.Document.Url, prev.StartLine);
return true;
}
return false;
}
public bool TryResolveLocation(StackFrameData sfData, SeqPointInfo seqPointInfo)
{
if (!assembly.MainModule.HasSymbols)
{
return(false);
}
TypeDefinition type = null;
var nested = sfData.TypeFullName.Split('+');
var types = assembly.MainModule.Types;
foreach (var ntype in nested)
{
if (type == null)
{
// Use namespace first time.
type = types.FirstOrDefault(t => t.FullName == ntype);
}
else
{
type = types.FirstOrDefault(t => t.Name == ntype);
}
if (type == null)
{
logger.LogWarning("Could not find type: {0}", ntype);
return(false);
}
types = type.NestedTypes;
}
var parensStart = sfData.MethodSignature.IndexOf('(');
var methodName = sfData.MethodSignature.Substring(0, parensStart).TrimEnd();
var methodParameters = sfData.MethodSignature.Substring(parensStart);
var method = type.Methods.FirstOrDefault(m => CompareName(m, methodName) && CompareParameters(m.Parameters, methodParameters));
if (method == null)
{
logger.LogWarning("Could not find method: {0}", methodName);
return(false);
}
int ilOffset;
if (sfData.IsILOffset)
{
ilOffset = sfData.Offset;
}
else
{
if (seqPointInfo == null)
{
return(false);
}
ilOffset = seqPointInfo.GetILOffset(method.MetadataToken.ToInt32(), sfData.MethodIndex, sfData.Offset);
}
if (ilOffset < 0)
{
return(false);
}
SequencePoint sp = null;
foreach (var instr in method.Body.Instructions)
{
if (instr.SequencePoint != null)
{
sp = instr.SequencePoint;
}
if (instr.Offset >= ilOffset)
{
sfData.SetLocation(sp.Document.Url, sp.StartLine);
return(true);
}
}
return(false);
}
