Moved backtrace to ArmInterface

src/core/arm/arm_interface.h

@@ -6,6 +6,8 @@
 
 #include <array>
 #include "common/common_types.h"
+#include "common/logging/log.h"
+#include "core/memory.h"
 
 namespace Kernel {
 enum class VMAPermission : u8;
@@ -142,7 +144,21 @@ public:
     /// Prepare core for thread reschedule (if needed to correctly handle state)
     virtual void PrepareReschedule() = 0;
 
-    virtual void LogBacktrace() = 0;
+    void LogBacktrace() {
+        VAddr fp = GetReg(29);
+        VAddr lr = GetReg(30);
+        VAddr sp = GetReg(13);
+        VAddr pc = GetPC();
+        LOG_ERROR(Core_ARM, "Backtrace, sp={:016X}, pc={:016X}", sp, pc);
+        for (;;) {
+            LOG_ERROR(Core_ARM, "{:016X}", lr);
+            if (!fp) {
+                break;
+            }
+            lr = Memory::Read64(fp + 8) - 4;
+            fp = Memory::Read64(fp);
+        }
+    }
 };
 
 } // namespace Core