Print stack trace on invalid memory accesses (#461)

* Print stack trace on invalid memory accesses

* Rebased, change code region base address for 39-bits address space, print stack trace on break and undefined instructions too

1 files changed, 24 insertions, 0 deletions

diff --git a/Ryujinx.HLE/HOS/Process.cs b/Ryujinx.HLE/HOS/Process.cs
index 448f1afa..1d8bfeb8 100644
--- a/Ryujinx.HLE/HOS/Process.cs
+++ b/Ryujinx.HLE/HOS/Process.cs
@@ -67,6 +67,8 @@ namespace Ryujinx.HLE.HOS
 
             Memory = new AMemory(Device.Memory.RamPointer);
 
+            Memory.InvalidAccess += CpuInvalidAccessHandler;
+
             MemoryManager = new KMemoryManager(this);
 
             TlsPages = new List<KTlsPageManager>();
@@ -283,11 +285,15 @@ namespace Ryujinx.HLE.HOS
 
         private void BreakHandler(object sender, AInstExceptionEventArgs e)
         {
+            PrintStackTraceForCurrentThread();
+
             throw new GuestBrokeExecutionException();
         }
 
         private void UndefinedHandler(object sender, AInstUndefinedEventArgs e)
         {
+            PrintStackTraceForCurrentThread();
+
             throw new UndefinedInstructionException(e.Position, e.RawOpCode);
         }
 
@@ -334,6 +340,24 @@ namespace Ryujinx.HLE.HOS
             return Translator;
         }
 
+        private void CpuInvalidAccessHandler(object sender, AInvalidAccessEventArgs e)
+        {
+            PrintStackTraceForCurrentThread();
+        }
+
+        private void PrintStackTraceForCurrentThread()
+        {
+            foreach (KThread Thread in Threads.Values)
+            {
+                if (Thread.Context.IsCurrentThread())
+                {
+                    PrintStackTrace(Thread.Context.ThreadState);
+
+                    break;
+                }
+            }
+        }
+
         public void PrintStackTrace(AThreadState ThreadState)
         {
             StringBuilder Trace = new StringBuilder();