diff --git a/components/debuggerintf/dbgintfdebuggerbase.pp b/components/debuggerintf/dbgintfdebuggerbase.pp
index 753693e04d..3c6b2195e3 100644
--- a/components/debuggerintf/dbgintfdebuggerbase.pp
+++ b/components/debuggerintf/dbgintfdebuggerbase.pp
@@ -1839,6 +1839,7 @@ type
        Errors should also be reported by debugger
     *)
     class function  RequiresLocalExecutable: Boolean; virtual;
+    procedure TestCmd(const ACommand: String); virtual;// For internal debugging purposes
   public
     constructor Create(const AExternalDebugger: String); virtual;
     destructor Destroy; override;
@@ -6061,6 +6062,11 @@ begin
   Result := True;
 end;
 
+procedure TDebuggerIntf.TestCmd(const ACommand: String);
+begin
+  //
+end;
+
 procedure TDebuggerIntf.SetState(const AValue: TDBGState);
 var
   OldState: TDBGState;
diff --git a/components/lazdebuggers/lazdebuggerlldb/lldbdebugger.pas b/components/lazdebuggers/lazdebuggerlldb/lldbdebugger.pas
index a8997a1355..3282fa30ff 100644
--- a/components/lazdebuggers/lazdebuggerlldb/lldbdebugger.pas
+++ b/components/lazdebuggers/lazdebuggerlldb/lldbdebugger.pas
@@ -132,6 +132,7 @@ type
     procedure DoAfterLineReceived(var ALine: String);
     procedure DoBeforeLineReceived(var ALine: String);
     procedure DoCmdLineDebuggerTerminated(Sender: TObject);
+    procedure DoLineSentToDbg(Sender: TObject; ALine: String);
     function  LldbRun: Boolean;
     function  LldbStep(AStepAction: TLldbInstructionProcessStepAction): Boolean;
     function  LldbStop: Boolean;
@@ -178,6 +179,7 @@ type
     function GetLocation: TDBGLocationRec; override;
 //    function GetProcessList({%H-}AList: TRunningProcessInfoList): boolean; override;
 //    function NeedReset: Boolean; override;
+    procedure TestCmd(const ACommand: String); override;
   end;
 
 
@@ -438,7 +440,7 @@ var
   found, foundArg: TStringArray;
   Arguments: TStringList;
   It: TMapIterator;
-  s, func, filename, d: String;
+  s, func, filename, d, fullfile: String;
   frame: LongInt;
   IsCur: Boolean;
   addr: TDBGPtr;
@@ -452,10 +454,10 @@ begin
 
   for i := 0 to Length(Instr.Res) - 1 do begin
     s := Instr.Res[i];
-    ParseFrameLocation(s, FId, IsCur, addr, func, Arguments, filename, line, d);
+    ParseNewFrameLocation(s, FId, IsCur, addr, func, Arguments, filename, fullfile, line, d);
     if It.Locate(FId) then begin
       e := TCallStackEntry(It.DataPtr^);
-      e.Init(addr, Arguments, func, filename, '', line);
+      e.Init(addr, Arguments, func, filename, fullfile, line);
     end;
     Arguments.Free;
   end;
@@ -885,6 +887,16 @@ procedure TLldbDebuggerCommandInit.DoExecute;
 var
   Instr: TLldbInstructionSettingSet;
 begin
+  Instr := TLldbInstructionSettingSet.Create('frame-format',
+    '"frame #${frame.index}: ${frame.pc}' +
+    ' &&//FULL: {${line.file.fullpath}} &&//SHORT: {${line.file.basename}} &&//LINE: {${line.number}}' +
+    ' &&//MOD: {${module.file.basename}} &&//FUNC: {${function.name-with-args}{${frame.no-debug}${function.pc-offset}}}' +
+    ' <<&&//FRAME\n"'
+//    ' {  ${frame.fp} }  \n"'
+  );
+  QueueInstruction(Instr);
+  Instr.ReleaseReference;
+
   Instr := TLldbInstructionSettingSet.Create('stop-line-count-after', '0');
   QueueInstruction(Instr);
   Instr.ReleaseReference;
@@ -1040,7 +1052,7 @@ var
   AnId, SrcLine: Integer;
   AnIsCurrent: Boolean;
   AnAddr: TDBGPtr;
-  AFuncName, AFile, AReminder: String;
+  AFuncName, AFile, AReminder, AFullFile: String;
   AnArgs: TStringList;
 begin
   if ALine = '' then
@@ -1067,13 +1079,14 @@ begin
     Instr.ReleaseReference;
   end;
 
-  if ParseFrameLocation(ALine, AnId, AnIsCurrent, AnAddr, AFuncName, AnArgs,
-    AFile, SrcLine, AReminder)
+  if ParseNewFrameLocation(ALine, AnId, AnIsCurrent, AnAddr, AFuncName, AnArgs,
+    AFile, AFullFile, SrcLine, AReminder)
   then begin
     AnArgs.Free;
     FCurrentLocation.Address := AnAddr;
     FCurrentLocation.FuncName := AFuncName;
     FCurrentLocation.SrcFile := AFile;
+    FCurrentLocation.SrcFullName := AFullFile;
     FCurrentLocation.SrcLine := SrcLine;
     DoCurrent(FCurrentLocation);
     ALine := '';
@@ -1082,9 +1095,7 @@ end;
 
 procedure TLldbDebugger.DoBeforeLineReceived(var ALine: String);
 begin
-  if StrMatches(ALine, ['Process ', ' stopped']) then begin // TODO: needed?
-    ALine := '';
-  end;
+  DoDbgOutput(ALine);
 end;
 
 procedure TLldbDebugger.DoBeginReceivingLines(Sender: TObject);
@@ -1097,6 +1108,11 @@ begin
   SetState(dsError);
 end;
 
+procedure TLldbDebugger.DoLineSentToDbg(Sender: TObject; ALine: String);
+begin
+  DoDbgOutput('>> '+ALine);
+end;
+
 procedure TLldbDebugger.DoEndReceivingLines(Sender: TObject);
 begin
   UnlockRelease;
@@ -1240,6 +1256,7 @@ constructor TLldbDebugger.Create(const AExternalDebugger: String);
 begin
   inherited Create(AExternalDebugger);
   FDebugProcess := TDebugProcess.Create(AExternalDebugger);
+  FDebugProcess.OnLineSent := @DoLineSentToDbg;
 
   FDebugInstructionQueue := TLldbInstructionQueue.Create(FDebugProcess);
   FDebugInstructionQueue.OnBeginLinesReceived := @DoBeginReceivingLines;
@@ -1296,6 +1313,11 @@ begin
   Result := FCurrentLocation;
 end;
 
+procedure TLldbDebugger.TestCmd(const ACommand: String);
+begin
+  FDebugProcess.SendCmdLn(ACommand);
+end;
+
 procedure Register;
 begin
   RegisterDebugger(TLldbDebugger);
diff --git a/components/lazdebuggers/lazdebuggerlldb/lldbhelper.pas b/components/lazdebuggers/lazdebuggerlldb/lldbhelper.pas
index 7e5f569bcd..ebd454d584 100644
--- a/components/lazdebuggers/lazdebuggerlldb/lldbhelper.pas
+++ b/components/lazdebuggers/lazdebuggerlldb/lldbhelper.pas
@@ -22,6 +22,10 @@ function ParseFrameLocation(AnInput: String; out AnId: Integer;
   out AnIsCurrent: Boolean; out AnAddr: TDBGPtr; out AFuncName: String;
   out AnArgs: TStringList; out AFile: String; out ALine: Integer;
   out AReminder: String): Boolean;
+function ParseNewFrameLocation(AnInput: String; out AnId: Integer;
+  out AnIsCurrent: Boolean; out AnAddr: TDBGPtr; out AFuncName: String;
+  out AnArgs: TStringList; out AFile, AFullFile: String; out ALine: Integer;
+  out AReminder: String): Boolean;
 
 implementation
 
@@ -234,5 +238,60 @@ begin
   ParseLocation(AnInput, AnAddr, AFuncName, AnArgs, AFile, ALine, AReminder);
 end;
 
+function ParseNewFrameLocation(AnInput: String; out AnId: Integer; out
+  AnIsCurrent: Boolean; out AnAddr: TDBGPtr; out AFuncName: String; out
+  AnArgs: TStringList; out AFile, AFullFile: String; out ALine: Integer; out
+  AReminder: String): Boolean;
+var
+  found: TStringArray;
+  i, j, k: SizeInt;
+begin
+  Result := False;
+  AnIsCurrent := (Length(AnInput) > 3) and (AnInput[3] = '*');
+  if AnIsCurrent then AnInput[3] := ' ';
+
+  if not StrMatches(AnInput, ['    frame #'{id}, ': '{addr},
+    ' &&//FULL: '{fullfile}, ' &&//SHORT: '{file},' &&//LINE: '{line},
+    ' &&//MOD: '{mod},' &&//FUNC: '{func}, '',' <<&&//FRAME', ''
+     ], found) then begin
+    AnId := -1;
+    AnAddr :=    0;
+    AFile :=     '';
+    AFullFile := '';
+    ALine :=     -1;
+    AFuncName := '';
+    AReminder := '';
+    AnArgs := nil;
+    exit;
+  end;
+
+  AnId :=      StrToIntDef(found[0], -1);
+  AnAddr :=    StrToInt64Def(found[1], 0);
+  AFullFile := found[2];
+  AFile :=     found[3];
+  ALine :=     StrToIntDef(found[4], -1);
+  AFuncName := found[6];
+  AnArgs := nil;
+  AReminder := found[7];
+
+  if AFuncName = '' then begin
+    AFuncName := '<'+found[5]+'>';
+  end
+  else begin
+    AnInput := AFuncName;
+    i := pos(' ', AnInput);
+    j := pos('(', AnInput);
+    k := pos(')', AnInput);
+    if ((i = 0) or (i > j)) and (j > 1) and (k > j) then begin
+      AFuncName := Copy(AnInput, 1, j-1);
+      AnArgs := TStringList.Create;
+      AnArgs.CommaText := copy(AnInput, j+1, k-j-1);
+      AnInput := Copy(AnInput, k+1, Length(AnInput));
+    end;
+  end;
+
+  Result := True;
+end;
+
 end.
 
diff --git a/components/lazdebuggers/lazdebuggerlldb/lldbinstructions.pas b/components/lazdebuggers/lazdebuggerlldb/lldbinstructions.pas
index 223e40de5b..4c3867860b 100644
--- a/components/lazdebuggers/lazdebuggerlldb/lldbinstructions.pas
+++ b/components/lazdebuggers/lazdebuggerlldb/lldbinstructions.pas
@@ -242,6 +242,8 @@ end;
 
 procedure TLldbInstructionQueue.DoBeforeHandleLineReceived(var ALine: String);
 begin
+  inherited DoBeforeHandleLineReceived(ALine); // Do first send to DebugOutput window
+
   while LeftStr(ALine, 7) = '(lldb) ' do begin
     Delete(ALine, 1, 7);
   end;
@@ -251,7 +253,9 @@ begin
     exit;
   end;
 
-  inherited DoBeforeHandleLineReceived(ALine);
+  if StrMatches(ALine, ['Process ', ' stopped']) then begin // TODO: needed?
+    ALine := '';
+  end;
 
   // TODO: detect the echo, and flag if data is for RunningInstruction;
 
@@ -630,7 +634,7 @@ begin
 //<< << TCmdLineDebugger.ReadLn "0x005ff280: 0x60 0x10 0x77 0x04"
 
 
-  if StrMatches(AData, ['(', ')', ' = ', '112234', '']) then begin
+  if StrStartsWith(AData, 'lldb version ') then begin
     MarkAsSuccess;
     Exit;
   end;
@@ -641,7 +645,7 @@ end;
 procedure TLldbInstructionMemory.SendCommandDataToDbg();
 begin
   inherited SendCommandDataToDbg();
-  Queue.SendDataToDBG(Self, 'p 112234'); // end marker // do not sent before new prompt
+  Queue.SendDataToDBG(Self, 'version'); // end marker // do not sent before new prompt
 end;
 
 constructor TLldbInstructionMemory.Create(AnAddress: TDBGPtr; ALen: Cardinal);
@@ -693,7 +697,7 @@ begin
     exit;
   end;
 
-  if StrMatches(AData, ['(', ')', ' = ', '112235', '']) then begin
+  if StrStartsWith(AData, 'lldb version ') then begin
     MarkAsSuccess;
     Exit;
   end;
@@ -723,7 +727,7 @@ end;
 procedure TLldbInstructionRegister.SendCommandDataToDbg();
 begin
   inherited SendCommandDataToDbg();
-  Queue.SendDataToDBG(Self, 'p 112235'); // end marker // do not sent before new prompt
+  Queue.SendDataToDBG(Self, 'version'); // end marker // do not sent before new prompt
 end;
 
 constructor TLldbInstructionRegister.Create(AThread, AFrame: Integer);
@@ -742,7 +746,7 @@ end;
 procedure TLldbInstructionThreadList.SendCommandDataToDbg();
 begin
   inherited SendCommandDataToDbg();
-  Queue.SendDataToDBG(Self, 'p 112236'); // end marker // do not sent before new prompt
+  Queue.SendDataToDBG(Self, 'version'); // end marker // do not sent before new prompt
 end;
 
 function TLldbInstructionThreadList.ProcessInputFromDbg(const AData: String
@@ -773,7 +777,7 @@ DebugLn(['######### add ',AData]);
     exit;
   end;
 
-  if StrMatches(AData, ['(', ')', ' = ', '112236', '']) then begin
+  if StrStartsWith(AData, 'lldb version ') then begin
     MarkAsSuccess;
     Exit;
   end;
@@ -797,7 +801,7 @@ end;
 procedure TLldbInstructionStackTrace.SendCommandDataToDbg();
 begin
   inherited SendCommandDataToDbg();
-  Queue.SendDataToDBG(Self, 'p 112233'); // end marker // do not sent before new prompt
+  Queue.SendDataToDBG(Self, 'version'); // end marker // do not sent before new prompt
 end;
 
 function TLldbInstructionStackTrace.ProcessInputFromDbg(const AData: String
@@ -827,7 +831,7 @@ begin
     exit;
   end;
 
-  if StrMatches(AData, ['(', ')', ' = ', '112233', '']) then begin
+  if StrStartsWith(AData, 'lldb version ') then begin
     MarkAsSuccess;
     Exit;
   end;
diff --git a/debugger/debugoutputform.pp b/debugger/debugoutputform.pp
index 73595958c1..24015cce34 100644
--- a/debugger/debugoutputform.pp
+++ b/debugger/debugoutputform.pp
@@ -145,9 +145,7 @@ end;
 {$IFDEF DBG_WITH_DEBUGGER_DEBUG}
 procedure TDbgOutputForm.Button1Click(Sender: TObject);
 begin
-  if DebugBoss.Debugger is TCmdLineDebugger then begin
-    TCmdLineDebugger(DebugBoss.Debugger).TestCmd(Edit1.Text);
-  end;
+  DebugBoss.Debugger.TestCmd(Edit1.Text);
 end;
 {$ENDIF}