From 08d5663cb8989f6e57cc28e02c572367685d69fd Mon Sep 17 00:00:00 2001
From: David Marcec <dmarcecguzman@gmail.com>
Date: Wed, 19 Dec 2018 14:10:51 +1100
Subject: Moved backtrace to ArmInterface

---
 src/core/arm/arm_interface.h | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

(limited to 'src/core/arm/arm_interface.h')

diff --git a/src/core/arm/arm_interface.h b/src/core/arm/arm_interface.h
index 26fe68a2e..b0472d55d 100644
--- a/src/core/arm/arm_interface.h
+++ b/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
-- 
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