Move stack unwinding logic into the runtime.

src/frames.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_FRAMES_H_
 #define V8_FRAMES_H_
 
 #include "src/allocation.h"
 #include "src/handles.h"
 #include "src/safepoint-table.h"
@@ skipping 96 matching lines @@
 
   // Tells whether the given address is inside this handler.
   inline bool includes(Address address) const;
 
   // Garbage collection support.
   inline void Iterate(ObjectVisitor* v, Code* holder) const;
 
   // Conversion support.
   static inline StackHandler* FromAddress(Address address);
 
-  // Testers
+  // Accessors.
+  inline Context* context() const;
+  inline Code* code() const;
+  inline Kind kind() const;
+  inline unsigned index() const;
+  inline Address frame_pointer() const;
+
+  // Testers.
   inline bool is_js_entry() const;
   inline bool is_catch() const;
   inline bool is_finally() const;
 
   // Generator support to preserve stack handlers.
   void Unwind(Isolate* isolate, FixedArray* array, int offset,
               int previous_handler_offset) const;
   int Rewind(Isolate* isolate, FixedArray* array, int offset, Address fp);
 
  private:
-  // Accessors.
-  inline Kind kind() const;
-  inline unsigned index() const;
-
-  inline Object** constant_pool_address() const;
   inline Object** context_address() const;
   inline Object** code_address() const;
   inline void SetFp(Address slot, Address fp);
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(StackHandler);
 };
 
 
 #define STACK_FRAME_TYPE_LIST(V)                         \
   V(ENTRY,                   EntryFrame)                 \
@@ skipping 794 matching lines @@
 };
 
 
 // Reads all frames on the current stack and copies them into the current
 // zone memory.
 Vector<StackFrame*> CreateStackMap(Isolate* isolate, Zone* zone);
 
 } }  // namespace v8::internal
 
 #endif  // V8_FRAMES_H_