Implement qThreadExtraInfo

src/ARMeilleure/State/ExecutionContext.cs

@@ -185,6 +185,11 @@ namespace ARMeilleure.State
             _debugHalt.Set();
         }
 
+        public DebugState GetDebugState()
+        {
+            return (DebugState)_debugState;
+        }
+
         internal void OnBreak(ulong address, int imm)
         {
             _breakCallback?.Invoke(this, address, imm);

src/Ryujinx.Cpu/AppleHv/HvExecutionContext.cs

@@ -139,6 +139,9 @@ namespace Ryujinx.Cpu.AppleHv
         /// <inheritdoc/>
         public void DebugContinue() => _impl.DebugContinue();
 
+        /// <inheritdoc/>
+        public DebugState GetDebugState() => _impl.GetDebugState();
+
         /// <inheritdoc/>
         public ulong DebugPc
         {

src/Ryujinx.Cpu/AppleHv/HvExecutionContextShadow.cs

@@ -68,6 +68,11 @@ namespace Ryujinx.Cpu.AppleHv
         {
         }
 
+        public DebugState GetDebugState()
+        {
+            return DebugState.Stopped;
+        }
+
         public bool GetAndClearInterruptRequested()
         {
             return false;

src/Ryujinx.Cpu/AppleHv/HvExecutionContextVcpu.cs

@@ -228,6 +228,11 @@ namespace Ryujinx.Cpu.AppleHv
             HvApi.hv_vcpu_run(_vcpu);
         }
 
+        public DebugState GetDebugState()
+        {
+            return (DebugState)_debugState;
+        }
+
         public bool GetAndClearInterruptRequested()
         {
             return Interlocked.Exchange(ref _interruptRequested, 0) != 0;

src/Ryujinx.Cpu/AppleHv/IHvExecutionContext.cs

@@ -47,6 +47,7 @@ namespace Ryujinx.Cpu.AppleHv
         void DebugStop();
         bool DebugStep();
         void DebugContinue();
+        DebugState GetDebugState();
 
         ulong DebugPc { get; set; }
     }

src/Ryujinx.Cpu/IExecutionContext.cs

@@ -118,7 +118,8 @@ namespace Ryujinx.Cpu
         void DebugStop();
         bool DebugStep();
         void DebugContinue();
-        
+        DebugState GetDebugState();
+
         ulong DebugPc { get; set; }
     }
 }

src/Ryujinx.Cpu/Jit/JitExecutionContext.cs

@@ -125,6 +125,9 @@ namespace Ryujinx.Cpu.Jit
         /// <inheritdoc/>
         public void DebugContinue() => _impl.DebugContinue();
 
+        /// <inheritdoc/>
+        public DebugState GetDebugState() => _impl.GetDebugState();
+
         /// <inheritdoc/>
         public ulong DebugPc
         {

src/Ryujinx.HLE/Debugger/Debugger.cs

@@ -295,6 +295,27 @@ namespace Ryujinx.HLE.Debugger
                         break;
                     }
 
+                    if (ss.ConsumePrefix("ThreadExtraInfo,"))
+                    {
+                        ulong? threadId = ss.ReadRemainingAsThreadUid();
+                        if (threadId == null)
+                        {
+                            ReplyError();
+                            break;
+                        }
+
+                        IExecutionContext ctx = GetThread(threadId.Value);
+                        if (ctx.GetDebugState() == DebugState.Stopped)
+                        {
+                            Reply(ToHex("Stopped"));
+                        }
+                        else
+                        {
+                            Reply(ToHex("Not stopped"));
+                        }
+                        break;
+                    }
+
                     if (ss.ConsumePrefix("Xfer:features:read:"))
                     {
                         string feature = ss.ReadUntil(':');

src/Ryujinx.HLE/HOS/Kernel/Process/ProcessExecutionContext.cs

@@ -48,6 +48,11 @@ namespace Ryujinx.HLE.HOS.Kernel.Process
         {
         }
 
+        public DebugState GetDebugState()
+        {
+            return DebugState.Stopped;
+        }
+
         public void StopRunning()
         {
             Running = false;