Introduce the SetFp function in StackHandler

src/frames.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 127 matching lines @@
               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** 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)                 \
   V(ENTRY_CONSTRUCT,         EntryConstructFrame)        \
   V(EXIT,                    ExitFrame)                  \
   V(JAVA_SCRIPT,             JavaScriptFrame)            \
@@ skipping 11 matching lines @@
   // context and function.
   // StandardFrame::IterateExpressions assumes that kContextOffset is the last
   // object pointer.
   static const int kFixedFrameSize    =  kPCOnStackSize + kFPOnStackSize +
                                          2 * kPointerSize;
   static const int kExpressionsOffset = -3 * kPointerSize;
   static const int kMarkerOffset      = -2 * kPointerSize;
   static const int kContextOffset     = -1 * kPointerSize;
   static const int kCallerFPOffset    =  0 * kPointerSize;
   static const int kCallerPCOffset    = +1 * kFPOnStackSize;
-  static const int kCallerSPOffset    = +2 * kPCOnStackSize;
+  static const int kCallerSPOffset    =  kCallerPCOffset + 1 * kPCOnStackSize;
 };

[haitao.feng, 2013/07/24 06:09:17]

+2 * kPCOnStackSize assumes kFPOnStackSize == kPCOnStackSize.

 
 
 // Abstract base class for all stack frames.
 class StackFrame BASE_EMBEDDED {
  public:
 #define DECLARE_TYPE(type, ignore) type,
   enum Type {
     NONE = 0,
     STACK_FRAME_TYPE_LIST(DECLARE_TYPE)
     NUMBER_OF_TYPES,
@@ skipping 730 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_