Remove frame pointer from StackHandler.

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 58 matching lines @@
 class StackHandlerConstants : public AllStatic {
  public:
   static const int kNextOffset     = 0 * kPointerSize;
   static const int kStateOffset    = 1 * kPointerSize;
 #if V8_TARGET_LITTLE_ENDIAN || !V8_HOST_ARCH_64_BIT
   static const int kStateIntOffset = kStateOffset;
 #else
   static const int kStateIntOffset = kStateOffset + kIntSize;
 #endif
   static const int kContextOffset  = 2 * kPointerSize;
-  static const int kFPOffset       = 3 * kPointerSize;
 
-  static const int kSize = kFPOffset + kFPOnStackSize;
+  static const int kSize = kContextOffset + kPointerSize;
   static const int kSlotCount = kSize >> kPointerSizeLog2;
 };
 
 
 class StackHandler BASE_EMBEDDED {
  public:
   enum Kind {
     JS_ENTRY,
     CATCH,
     FINALLY,
@@ skipping 18 matching lines @@
   // Garbage collection support.
   inline void Iterate(ObjectVisitor* v, Code* holder) const;
 
   // Conversion support.
   static inline StackHandler* FromAddress(Address address);
 
   // Accessors.
   inline Context* context() 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:
   inline Object** context_address() const;
-  inline void SetFp(Address slot, Address fp);
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(StackHandler);
 };
 
 
 #define STACK_FRAME_TYPE_LIST(V)                         \
   V(ENTRY,                   EntryFrame)                 \
   V(ENTRY_CONSTRUCT,         EntryConstructFrame)        \
   V(EXIT,                    ExitFrame)                  \
   V(JAVA_SCRIPT,             JavaScriptFrame)            \
@@ skipping 790 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_