public AD7StackFrame(AD7Engine engine, AD7Thread thread, ThreadContext threadContext)
{
Debug.Assert(threadContext != null, "ThreadContext is null");
Engine = engine;
Thread = thread;
ThreadContext = threadContext;
_textPosition = threadContext.TextPosition;
_functionName = threadContext.Function;
if (threadContext.pc.HasValue)
{
_codeCxt = new AD7MemoryAddress(this.Engine, threadContext.pc.Value, _functionName);
}
if (_textPosition != null)
{
_documentCxt = new AD7DocumentContext(_textPosition, _codeCxt);
if (_codeCxt != null)
{
_codeCxt.SetDocumentContext(_documentCxt);
}
}
}
private VariableInformation(ThreadContext ctx, AD7Engine engine, AD7Thread thread)
{
_engine = engine;
_debuggedProcess = _engine.DebuggedProcess;
_ctx = ctx;
Client = thread;
IsParameter = false;
IsChild = false;
_attribsFetched = false;
Access = enum_DBG_ATTRIB_FLAGS.DBG_ATTRIB_NONE;
_fullname = null;
lock (this._debuggedProcess.ActiveVariables)
{
this._debuggedProcess.ActiveVariables.Add(this);
}
}
public AD7StackFrame(AD7Engine engine, AD7Thread thread, ThreadContext threadContext)
{
Debug.Assert(threadContext != null, "ThreadContext is null");
Engine = engine;
Thread = thread;
ThreadContext = threadContext;
_textPosition = threadContext.TextPosition;
_functionName = threadContext.Function;
if (threadContext.pc.HasValue)
{
_codeCxt = new AD7MemoryAddress(this.Engine, threadContext.pc.Value, _functionName);
}
if (_textPosition != null)
{
var docContext = new AD7DocumentContext(_textPosition, _codeCxt);
_codeCxt.SetDocumentContext(docContext);
}
}
private void FilterUnknownFrames(System.Collections.Generic.List <ThreadContext> stackFrames)
{
bool lastWasQuestion = false;
for (int i = 0; i < stackFrames.Count;)
{
// replace sequences of "??" with one UnknownCode frame
if (stackFrames[i].Function == null || stackFrames[i].Function.Equals("??", StringComparison.Ordinal))
{
if (lastWasQuestion)
{
stackFrames.RemoveAt(i);
continue;
}
lastWasQuestion = true;
stackFrames[i] = new ThreadContext(stackFrames[i].pc, stackFrames[i].TextPosition, ResourceStrings.UnknownCode, stackFrames[i].Level, null);
}
else
{
lastWasQuestion = false;
}
i++;
}
}
private void FilterUnknownFrames(System.Collections.Generic.List<ThreadContext> stackFrames)
{
bool lastWasQuestion = false;
for (int i = 0; i < stackFrames.Count;)
{
// replace sequences of "??" with one UnknownCode frame
if (stackFrames[i].Function == null || stackFrames[i].Function.Equals("??", StringComparison.Ordinal))
{
if (lastWasQuestion)
{
stackFrames.RemoveAt(i);
continue;
}
lastWasQuestion = true;
stackFrames[i] = new ThreadContext(stackFrames[i].pc, stackFrames[i].TextPosition, ResourceStrings.UnknownCode, stackFrames[i].Level, null);
}
else
{
lastWasQuestion = false;
}
i++;
}
}
private async Task <ThreadContext> CollectThreadsInfo(int cxtThreadId)
{
ThreadContext ret = null;
// set of threads has changed or thread locations have been asked for
Results threadsinfo = await _debugger.MICommandFactory.ThreadInfo();
if (threadsinfo.ResultClass != ResultClass.done)
{
Debug.Fail("Failed to get thread info");
}
else
{
var tlist = threadsinfo.Find <ValueListValue>("threads");
// update our thread list
lock (_threadList)
{
foreach (var thread in _threadList)
{
thread.Alive = false;
}
foreach (var t in tlist.Content)
{
bool bNew = false;
var thread = SetThreadInfoFromResultValue(t, out bNew);
int threadId = thread.Id;
if (bNew)
{
NewThreads.Add(thread);
}
TupleValue[] frames = ((TupleValue)t).FindAll <TupleValue>("frame");
if (frames.Any())
{
List <ThreadContext> stack = new List <ThreadContext>();
stack.AddRange(frames.Select(frame => CreateContext(frame)));
_topContext[threadId] = stack[0];
if (threadId == cxtThreadId)
{
ret = _topContext[threadId];
}
if (stack.Count > 1)
{
_stackFrames[threadId] = stack;
}
}
}
foreach (var thread in _threadList.ToList())
{
if (!thread.Alive)
{
DeadThreads.Add(thread);
_threadList.Remove(thread);
}
}
_stateChange = false;
_full = true;
}
}
return(ret);
}
//This method gets the value/type info for the method parameters without creating an MI debugger variable for them. For use in the callstack window
//NOTE: eval is not called
public async Task<List<SimpleVariableInformation>> GetParameterInfoOnly(AD7Thread thread, ThreadContext ctx)
{
List<SimpleVariableInformation> parameters = new List<SimpleVariableInformation>();
ValueListValue localAndParameters = await MICommandFactory.StackListVariables(PrintValues.SimpleValues, thread.Id, ctx.Level);
foreach (var results in localAndParameters.Content.Where(r => r.TryFindString("arg") == "1"))
{
parameters.Add(new SimpleVariableInformation(results.FindString("name"), /*isParam*/ true, results.FindString("value"), results.FindString("type")));
}
return parameters;
}
//This method gets the locals and parameters and creates an MI debugger variable for each one so that we can manipulate them (and expand children, etc.)
//NOTE: Eval is called
internal async Task<List<VariableInformation>> GetLocalsAndParameters(AD7Thread thread, ThreadContext ctx)
{
List<VariableInformation> variables = new List<VariableInformation>();
ValueListValue localsAndParameters = await MICommandFactory.StackListVariables(PrintValues.NoValues, thread.Id, ctx.Level);
foreach (var localOrParamResult in localsAndParameters.Content)
{
string name = localOrParamResult.FindString("name");
bool isParam = localOrParamResult.TryFindString("arg") == "1";
SimpleVariableInformation simpleInfo = new SimpleVariableInformation(name, isParam);
VariableInformation vi = await simpleInfo.CreateMIDebuggerVariable(ctx, Engine, thread);
variables.Add(vi);
}
return variables;
}
//This method gets the value/type info for the method parameters without creating an MI debugger varialbe for them. For use in the callstack window
//NOTE: eval is not called
public async Task <List <SimpleVariableInformation> > GetParameterInfoOnly(AD7Thread thread, ThreadContext ctx)
{
List <SimpleVariableInformation> parameters = new List <SimpleVariableInformation>();
ValueListValue localAndParameters = await MICommandFactory.StackListVariables(PrintValues.SimpleValues, thread.Id, ctx.Level);
foreach (var results in localAndParameters.Content.Where(r => r.TryFindString("arg") == "1"))
{
parameters.Add(new SimpleVariableInformation(results.FindString("name"), /*isParam*/ true, results.FindString("value"), results.FindString("type")));
}
return(parameters);
}
//This method gets the locals and parameters and creates an MI debugger variable for each one so that we can manipulate them (and expand children, etc.)
//NOTE: Eval is called
internal async Task <List <VariableInformation> > GetLocalsAndParameters(AD7Thread thread, ThreadContext ctx)
{
List <VariableInformation> variables = new List <VariableInformation>();
ValueListValue localsAndParameters = await MICommandFactory.StackListVariables(PrintValues.NoValues, thread.Id, ctx.Level);
foreach (var localOrParamResult in localsAndParameters.Content)
{
string name = localOrParamResult.FindString("name");
bool isParam = localOrParamResult.TryFindString("arg") == "1";
SimpleVariableInformation simpleInfo = new SimpleVariableInformation(name, isParam);
VariableInformation vi = await simpleInfo.CreateMIDebuggerVariable(ctx, Engine, thread);
variables.Add(vi);
}
return(variables);
}
private async Task HandleBreakModeEvent(ResultEventArgs results)
{
string reason = results.Results.TryFindString("reason");
int tid;
if (!results.Results.Contains("thread-id"))
{
Results res = await MICommandFactory.ThreadInfo();
tid = res.FindInt("id");
}
else
{
tid = results.Results.FindInt("thread-id");
}
ThreadCache.MarkDirty();
MICommandFactory.DefineCurrentThread(tid);
DebuggedThread thread = await ThreadCache.GetThread(tid);
await ThreadCache.StackFrames(thread); // prepopulate the break thread in the thread cache
ThreadContext cxt = await ThreadCache.GetThreadContext(thread);
ThreadCache.SendThreadEvents(this, null); // make sure that new threads have been pushed to the UI
//always delete breakpoints pending deletion on break mode
//the flag tells us if we hit an existing breakpoint pending deletion that we need to continue
await _breakpointManager.DeleteBreakpointsPendingDeletion();
//delete varialbes that have been GC'd
List <string> variablesToDelete = new List <string>();
lock (VariablesToDelete)
{
foreach (var variable in VariablesToDelete)
{
variablesToDelete.Add(variable);
}
VariablesToDelete.Clear();
}
foreach (var variable in variablesToDelete)
{
try
{
await MICommandFactory.VarDelete(variable);
}
catch (MIException)
{
//not much to do really, we're leaking MI debugger variables.
Debug.Fail("Failed to delete variable: " + variable + ". This is leaking memory in the MI Debugger.");
}
}
if (String.IsNullOrWhiteSpace(reason) && !_bEntrypointHit)
{
// CLRDBG TODO: Try to verify this code path
_bEntrypointHit = true;
CmdContinueAsync();
FireDeviceAppLauncherResume();
}
else if (reason == "breakpoint-hit")
{
string bkptno = results.Results.FindString("bkptno");
ulong addr = cxt.pc ?? 0;
AD7BoundBreakpoint bkpt = null;
bool fContinue;
TupleValue frame = results.Results.TryFind <TupleValue>("frame");
bkpt = _breakpointManager.FindHitBreakpoint(bkptno, addr, frame, out fContinue); // use breakpoint number to resolve breakpoint
if (bkpt != null)
{
List <object> bplist = new List <object>();
bplist.Add(bkpt);
_callback.OnBreakpoint(thread, bplist.AsReadOnly());
}
else if (!_bEntrypointHit)
{
_bEntrypointHit = true;
_callback.OnEntryPoint(thread);
}
else
{
if (fContinue)
{
//we hit a bp pending deletion
//post the CmdContinueAsync operation so it does not happen until we have deleted all the pending deletes
CmdContinueAsync();
}
else
{
// not one of our breakpoints, so stop with a message
_callback.OnException(thread, "Unknown breakpoint", "", 0);
}
}
}
else if (reason == "end-stepping-range" || reason == "function-finished")
{
_callback.OnStepComplete(thread);
}
else if (reason == "signal-received")
{
string name = results.Results.TryFindString("signal-name");
if ((name == "SIG32") || (name == "SIG33"))
{
// we are going to ignore these (Sigma) signals for now
CmdContinueAsync();
}
else if (MICommandFactory.IsAsyncBreakSignal(results.Results))
{
_callback.OnAsyncBreakComplete(thread);
}
else
{
uint code = 0;
string sigName = results.Results.TryFindString("signal-name");
code = results.Results.Contains("signal") ? results.Results.FindUint("signal") : 0;
if (String.IsNullOrEmpty(sigName) && code != 0 && EngineUtils.SignalMap.Instance.ContainsValue(code))
{
sigName = EngineUtils.SignalMap.Instance.First((p) => p.Value == code).Key;
}
else if (!String.IsNullOrEmpty(sigName) && code == 0 && EngineUtils.SignalMap.Instance.ContainsKey(sigName))
{
code = EngineUtils.SignalMap.Instance[sigName];
}
_callback.OnException(thread, sigName, results.Results.TryFindString("signal-meaning"), code);
}
}
else if (reason == "exception-received")
{
string exception = results.Results.FindString("exception");
_callback.OnException(thread, "Exception", exception, 0);
}
else
{
Debug.Fail("Unknown stopping reason");
_callback.OnException(thread, "Unknown", "Unknown stopping event", 0);
}
}
private async Task <ThreadContext> CollectThreadsInfo(int cxtThreadId)
{
ThreadContext ret = null;
// set of threads has changed or thread locations have been asked for
Results threadsinfo = await _debugger.MICommandFactory.ThreadInfo();
if (threadsinfo.ResultClass != ResultClass.done)
{
Debug.Fail("Failed to get thread info");
}
else
{
var tlist = threadsinfo.Find <ValueListValue>("threads");
// update our thread list
lock (_threadList)
{
foreach (var thread in _threadList)
{
thread.Alive = false;
}
foreach (var t in tlist.Content)
{
int threadId = t.FindInt("id");
string targetId = t.TryFindString("target-id");
string state = t.FindString("state");
TupleValue[] frames = ((TupleValue)t).FindAll <TupleValue>("frame");
bool bNew;
DebuggedThread thread = FindThread(threadId, out bNew);
thread.Alive = true;
if (!String.IsNullOrEmpty(targetId))
{
uint tid = 0;
if (System.UInt32.TryParse(targetId, out tid) && tid != 0)
{
thread.TargetId = tid;
}
else if (targetId.StartsWith("Thread") &&
System.UInt32.TryParse(targetId.Substring("Thread ".Length), out tid) &&
tid != 0
)
{
thread.TargetId = tid;
}
}
if (t.Contains("name"))
{
thread.Name = t.FindString("name");
}
if (bNew)
{
if (_newThreads == null)
{
_newThreads = new List <DebuggedThread>();
}
_newThreads.Add(thread);
}
var stack = new List <ThreadContext>();
foreach (var frame in frames)
{
stack.Add(CreateContext(frame));
}
if (stack.Count > 0)
{
_topContext[threadId] = stack[0];
if (threadId == cxtThreadId)
{
ret = _topContext[threadId];
}
if (stack.Count > 1)
{
_stackFrames[threadId] = stack;
}
}
}
foreach (var thread in _threadList)
{
if (!thread.Alive)
{
if (_deadThreads == null)
{
_deadThreads = new List <DebuggedThread>();
}
_deadThreads.Add(thread);
}
}
if (_deadThreads != null)
{
foreach (var dead in _deadThreads)
{
_threadList.Remove(dead);
}
}
_stateChange = false;
_full = true;
}
}
return(ret);
}
private async Task <ThreadContext> CollectThreadsInfo(int cxtThreadId)
{
ThreadContext ret = null;
// set of threads has changed or thread locations have been asked for
Results threadsinfo = await _debugger.MICommandFactory.ThreadInfo();
if (threadsinfo.ResultClass != ResultClass.done)
{
Debug.Fail("Failed to get thread info");
}
else
{
var tlist = threadsinfo.Find <ValueListValue>("threads");
// update our thread list
lock (_threadList)
{
foreach (var thread in _threadList)
{
thread.Alive = false;
}
foreach (var t in tlist.Content)
{
int threadId = t.FindInt("id");
string targetId = t.TryFindString("target-id");
string state = t.FindString("state");
TupleValue[] frames = ((TupleValue)t).FindAll <TupleValue>("frame");
bool bNew;
DebuggedThread thread = FindThread(threadId, out bNew);
thread.Alive = true;
if (!String.IsNullOrEmpty(targetId))
{
uint tid = 0;
if (System.UInt32.TryParse(targetId, out tid) && tid != 0)
{
thread.TargetId = tid;
}
else if (targetId.StartsWith("Thread ", StringComparison.OrdinalIgnoreCase) &&
System.UInt32.TryParse(targetId.Substring("Thread ".Length), out tid) &&
tid != 0
)
{
thread.TargetId = tid;
}
else if (targetId.StartsWith("Process ", StringComparison.OrdinalIgnoreCase) &&
System.UInt32.TryParse(targetId.Substring("Process ".Length), out tid) &&
tid != 0
)
{ // First thread in a linux process has tid == pid
thread.TargetId = tid;
}
else if (targetId.StartsWith("Thread ", StringComparison.OrdinalIgnoreCase))
{
// In processes with pthreads the thread name is in form: "Thread <0x123456789abc> (LWP <thread-id>)"
int lwp_pos = targetId.IndexOf("(LWP ");
int paren_pos = targetId.LastIndexOf(')');
int len = paren_pos - (lwp_pos + 5);
if (len > 0 && System.UInt32.TryParse(targetId.Substring(lwp_pos + 5, len), out tid) && tid != 0)
{
thread.TargetId = tid;
}
}
else
{
thread.TargetId = --s_targetId;
}
}
if (t.Contains("name"))
{
thread.Name = t.FindString("name");
}
if (bNew)
{
if (_newThreads == null)
{
_newThreads = new List <DebuggedThread>();
}
_newThreads.Add(thread);
}
var stack = new List <ThreadContext>();
foreach (var frame in frames)
{
stack.Add(CreateContext(frame));
}
if (stack.Count > 0)
{
_topContext[threadId] = stack[0];
if (threadId == cxtThreadId)
{
ret = _topContext[threadId];
}
if (stack.Count > 1)
{
_stackFrames[threadId] = stack;
}
}
}
foreach (var thread in _threadList)
{
if (!thread.Alive)
{
if (_deadThreads == null)
{
_deadThreads = new List <DebuggedThread>();
}
_deadThreads.Add(thread);
}
}
if (_deadThreads != null)
{
foreach (var dead in _deadThreads)
{
_threadList.Remove(dead);
}
}
_stateChange = false;
_full = true;
}
}
return(ret);
}
