Thumb2 Backend: Thumb2 changes for Deoptimization and Code Aging

src/debug.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 98 matching lines @@
   bool IsStepInLocation(Isolate* isolate);
   void PrepareStepIn(Isolate* isolate);
   bool IsExit() const;
   bool HasBreakPoint();
   bool IsDebugBreak();
   Object* BreakPointObjects();
   void ClearAllDebugBreak();
 
 
   inline int code_position() {
-    return static_cast<int>(pc() - debug_info_->code()->entry());
+    return static_cast<int>(pc() - debug_info_->code()->instruction_start());
   }
   inline int break_point() { return break_point_; }
   inline int position() { return position_; }
   inline int statement_position() { return statement_position_; }
   inline Address pc() { return reloc_iterator_->rinfo()->pc(); }
   inline Code* code() { return debug_info_->code(); }
   inline RelocInfo* rinfo() { return reloc_iterator_->rinfo(); }
   inline RelocInfo::Mode rmode() const {
     return reloc_iterator_->rinfo()->rmode();
   }
@@ skipping 931 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(MessageDispatchHelperThread);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // ENABLE_DEBUGGER_SUPPORT
 
 #endif  // V8_DEBUG_H_