Moved some IA32 specific code from to the architecture dependent part of the ...

src/debug.h

 // Copyright 2006-2008 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 105 matching lines @@
   int break_point_;
   int position_;
   int statement_position_;
   Handle<DebugInfo> debug_info_;
   RelocIterator* reloc_iterator_;
   RelocIterator* reloc_iterator_original_;
 
  private:
   void SetDebugBreak();
   void ClearDebugBreak();
+  bool IsDebugBreakAtReturn();
+  void SetDebugBreakAtReturn();
+  void ClearDebugBreakAtReturn();
 
   DISALLOW_COPY_AND_ASSIGN(BreakLocationIterator);
 };
 
 
 // Linked list holding debug info objects. The debug info objects are kept as
 // weak handles to avoid a debug info object to keep a function alive.
 class DebugInfoListNode {
  public:
   explicit DebugInfoListNode(DebugInfo* debug_info);
@@ skipping 461 matching lines @@
   }
  private:
   Debug::AddressId id_;
   int reg_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_V8_DEBUG_H_