From 55a43dea456e1da01c24266d62f7d7130fa41575 Mon Sep 17 00:00:00 2001
From: Coxxs <58-coxxs@users.noreply.git.ryujinx.app>
Date: Sat, 21 Jun 2025 14:31:00 +0800
Subject: [PATCH 1/2] gdb: Fix ExecutionContext

---
 src/ARMeilleure/State/ExecutionContext.cs           |  6 +++---
 .../LightningJit/State/ExecutionContext.cs          | 13 ++++++++++++-
 2 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/src/ARMeilleure/State/ExecutionContext.cs b/src/ARMeilleure/State/ExecutionContext.cs
index c44c6e062..fa1a4a032 100644
--- a/src/ARMeilleure/State/ExecutionContext.cs
+++ b/src/ARMeilleure/State/ExecutionContext.cs
@@ -153,7 +153,7 @@ namespace ARMeilleure.State
 
         public void StepHandler()
         {
-            _stepCallback.Invoke(this);
+            _stepCallback?.Invoke(this);
         }
 
         public void RequestDebugStep()
@@ -166,7 +166,7 @@ namespace ARMeilleure.State
         {
             if (Optimizations.EnableDebugging)
             {
-                DebugPc = Pc; // TODO: Is this the best place to update DebugPc?
+                DebugPc = Pc;
             }
 
             _breakCallback?.Invoke(this, address, imm);
@@ -176,7 +176,7 @@ namespace ARMeilleure.State
         {
             if (Optimizations.EnableDebugging)
             {
-                DebugPc = Pc; // TODO: Is this the best place to update DebugPc?
+                DebugPc = Pc;
             }
 
             _supervisorCallback?.Invoke(this, address, imm);
diff --git a/src/Ryujinx.Cpu/LightningJit/State/ExecutionContext.cs b/src/Ryujinx.Cpu/LightningJit/State/ExecutionContext.cs
index fc75e5185..cb3c6c2af 100644
--- a/src/Ryujinx.Cpu/LightningJit/State/ExecutionContext.cs
+++ b/src/Ryujinx.Cpu/LightningJit/State/ExecutionContext.cs
@@ -1,3 +1,4 @@
+using ARMeilleure;
 using ARMeilleure.Memory;
 using ARMeilleure.State;
 using System;
@@ -127,7 +128,7 @@ namespace Ryujinx.Cpu.LightningJit.State
 
         public void StepHandler()
         {
-            _stepCallback.Invoke(this);
+            _stepCallback?.Invoke(this);
         }
 
         public void RequestDebugStep()
@@ -138,11 +139,21 @@ namespace Ryujinx.Cpu.LightningJit.State
 
         internal void OnBreak(ulong address, int imm)
         {
+            if (Optimizations.EnableDebugging)
+            {
+                DebugPc = Pc;
+            }
+
             _breakCallback?.Invoke(this, address, imm);
         }
 
         internal void OnSupervisorCall(ulong address, int imm)
         {
+            if (Optimizations.EnableDebugging)
+            {
+                DebugPc = Pc;
+            }
+
             _supervisorCallback?.Invoke(this, address, imm);
         }
 

From 6afce6308cbb9833afcd8f5d7067ae00a419141e Mon Sep 17 00:00:00 2001
From: Coxxs <58-coxxs@users.noreply.git.ryujinx.app>
Date: Sat, 21 Jun 2025 15:38:32 +0800
Subject: [PATCH 2/2] gdb: Do not use LightningJitEngine when GDB Stub is
 enabled

---
 src/Ryujinx.HLE/HOS/ArmProcessContextFactory.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Ryujinx.HLE/HOS/ArmProcessContextFactory.cs b/src/Ryujinx.HLE/HOS/ArmProcessContextFactory.cs
index 759780c42..28f7ef25f 100644
--- a/src/Ryujinx.HLE/HOS/ArmProcessContextFactory.cs
+++ b/src/Ryujinx.HLE/HOS/ArmProcessContextFactory.cs
@@ -69,7 +69,7 @@ namespace Ryujinx.HLE.HOS
                     mode = MemoryManagerMode.SoftwarePageTable;
                 }
 
-                ICpuEngine cpuEngine = isArm64Host && (mode == MemoryManagerMode.HostMapped || mode == MemoryManagerMode.HostMappedUnsafe)
+                ICpuEngine cpuEngine = isArm64Host && (mode == MemoryManagerMode.HostMapped || mode == MemoryManagerMode.HostMappedUnsafe) && !context.Device.Configuration.EnableGdbStub
                     ? new LightningJitEngine(_tickSource)
                     : new JitEngine(_tickSource);