Support for return-address rewriting profilers.

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 223 matching lines @@
   // safepoint entry and the number of stack slots. The pc must be at
   // a safepoint.
   static Code* GetSafepointData(Isolate* isolate,
                                 Address pc,
                                 SafepointEntry* safepoint_entry,
                                 unsigned* stack_slots);
 
   virtual void Iterate(ObjectVisitor* v) const = 0;
   static void IteratePc(ObjectVisitor* v, Address* pc_address, Code* holder);
 
+  // Sets a callback function for return-address rewriting profilers
+  // to resolve the location of a return address to the location of the 

[Vyacheslav Egorov (Chromium), 2012/02/24 10:35:59]

trailing white space.

[Sigurður Ásgeirsson, 2012/02/24 14:46:04]

Ooops, done.

+  // profiler's stashed return address.
+  static void SetReturnAddressLocationResolver(
+      ReturnAddressLocationResolver resolver);
 
   // Printing support.
   enum PrintMode { OVERVIEW, DETAILS };
   virtual void Print(StringStream* accumulator,
                      PrintMode mode,
                      int index) const { }
 
  protected:
   inline explicit StackFrame(StackFrameIterator* iterator);
   virtual ~StackFrame() { }
@@ skipping 622 matching lines @@
 };
 
 
 // Reads all frames on the current stack and copies them into the current
 // zone memory.
 Vector<StackFrame*> CreateStackMap();
 
 } }  // namespace v8::internal
 
 #endif  // V8_FRAMES_H_