src/cpu/aarch64/vm/javaFrameAnchor_aarch64.hpp

rev 11804 : 8164113: AArch64: follow-up the fix for 8161598
Reviewed-by: duke

@@ -63,13 +63,13 @@
     // Must be last so profiler will always see valid frame if has_last_frame() is true
     _last_Java_sp = src->_last_Java_sp;
   }
 
   // Always walkable
-  bool walkable(void) { return true; }
-  // Never any thing to do since we are always walkable and can find address of return addresses
-  void make_walkable(JavaThread* thread) { }
+  bool walkable(void)                            { return _last_Java_sp != NULL && _last_Java_pc != NULL; }
+  void make_walkable(JavaThread* thread);
+  void capture_last_Java_pc(void);
 
   intptr_t* last_Java_sp(void) const             { return _last_Java_sp; }
 
   address last_Java_pc(void)                     { return _last_Java_pc; }