Skip samples where top function's stack frame is not setup properly

src/profile-generator.h

 // Copyright 2011 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 94 matching lines @@
   INLINE(const char* name_prefix() const) { return name_prefix_; }
   INLINE(bool has_name_prefix() const) { return name_prefix_[0] != '\0'; }
   INLINE(const char* name() const) { return name_; }
   INLINE(const char* resource_name() const) { return resource_name_; }
   INLINE(int line_number() const) { return line_number_; }
   INLINE(void set_shared_id(int shared_id)) { shared_id_ = shared_id; }
   INLINE(int security_token_id() const) { return security_token_id_; }
 
   INLINE(static bool is_js_function_tag(Logger::LogEventsAndTags tag));
 
+  INLINE(int frame_setup_offset() const) { return frame_setup_offset_; }
+  INLINE(void set_frame_setup_offset(int offset)) {
+    frame_setup_offset_ = offset;
+  }
+  INLINE(int frame_destroy_offset() const) { return frame_destroy_offset_; }
+  INLINE(void set_frame_destroy_offset(int offset)) {
+    frame_destroy_offset_ = offset;
+  }
+
   void CopyData(const CodeEntry& source);
   uint32_t GetCallUid() const;
   bool IsSameAs(CodeEntry* entry) const;
 
   static const char* const kEmptyNamePrefix;
 
  private:
   Logger::LogEventsAndTags tag_;
   const char* name_prefix_;
   const char* name_;
   const char* resource_name_;
   int line_number_;
   int shared_id_;
   int security_token_id_;
+  int frame_setup_offset_;
+  int frame_destroy_offset_;
 
   DISALLOW_COPY_AND_ASSIGN(CodeEntry);
 };
 
 
 class ProfileTree;
 
 class ProfileNode {
  public:
   INLINE(ProfileNode(ProfileTree* tree, CodeEntry* entry));
@@ skipping 105 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(CpuProfile);
 };
 
 
 class CodeMap {
  public:
   CodeMap() : next_shared_id_(1) { }
   void AddCode(Address addr, CodeEntry* entry, unsigned size);
   void MoveCode(Address from, Address to);
-  CodeEntry* FindEntry(Address addr);
+  CodeEntry* FindEntry(Address addr, Address* start = NULL);
   int GetSharedId(Address addr);
 
   void Print();
 
  private:
   struct CodeEntryInfo {
     CodeEntryInfo(CodeEntry* an_entry, unsigned a_size)
         : entry(an_entry), size(a_size) { }
     CodeEntry* entry;
     unsigned size;
@@ skipping 157 matching lines @@
   CodeEntry* gc_entry_;
   SampleRateCalculator sample_rate_calc_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileGenerator);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_PROFILE_GENERATOR_H_