1 files changed, 21 insertions, 0 deletions
diff --git a/zpu/sw/simulator/com/zylin/zpu/simulator/Tracer.java b/zpu/sw/simulator/com/zylin/zpu/simulator/Tracer.java
new file mode 100644
index 0000000..31f1766
--- /dev/null
+++ b/zpu/sw/simulator/com/zylin/zpu/simulator/Tracer.java
@@ -0,0 +1,21 @@
+
+package com.zylin.zpu.simulator;
+
+import com.zylin.zpu.simulator.exceptions.GDBServerException;
+
+public interface Tracer
+{
+
+    void instructionEvent() throws GDBServerException;
+
+    void commit();
+
+    void setSp(int sp);
+    
+    void dumpTraceBack();
+
+    
+    boolean onInterrupt();
+    
+    boolean simInterrupt();
+}