Add functionality for finding code objects from a pc that points into...

src/liveedit.cc

 // Copyright 2010 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 784 matching lines @@
   }
 
  private:
   Code* original_;
   ZoneList<Object**> rvalues_;
   ZoneList<RelocInfo> reloc_infos_;
   ZoneList<Address> code_entries_;
 };
 
 
-class FrameCookingThreadVisitor : public ThreadVisitor {
- public:
-  void VisitThread(ThreadLocalTop* top) {
-    StackFrame::CookFramesForThread(top);
-  }
-};
-
-class FrameUncookingThreadVisitor : public ThreadVisitor {
- public:
-  void VisitThread(ThreadLocalTop* top) {
-    StackFrame::UncookFramesForThread(top);
-  }
-};
-
-static void IterateAllThreads(ThreadVisitor* visitor) {
-  Top::IterateThread(visitor);
-  ThreadManager::IterateArchivedThreads(visitor);
-}
-
 // Finds all references to original and replaces them with substitution.
 static void ReplaceCodeObject(Code* original, Code* substitution) {
   ASSERT(!Heap::InNewSpace(substitution));
 
   AssertNoAllocation no_allocations_please;
 
   // A zone scope for ReferenceCollectorVisitor.
   ZoneScope scope(DELETE_ON_EXIT);
 
   ReferenceCollectorVisitor visitor(original);
 
   // Iterate over all roots. Stack frames may have pointer into original code,
   // so temporary replace the pointers with offset numbers
   // in prologue/epilogue.
   {
-    FrameCookingThreadVisitor cooking_visitor;
-    IterateAllThreads(&cooking_visitor);
-
     Heap::IterateStrongRoots(&visitor, VISIT_ALL);
-
-    FrameUncookingThreadVisitor uncooking_visitor;
-    IterateAllThreads(&uncooking_visitor);
   }
 
   // Now iterate over all pointers of all objects, including code_target
   // implicit pointers.
   HeapIterator iterator;
   for (HeapObject* obj = iterator.next(); obj != NULL; obj = iterator.next()) {
     obj->Iterate(&visitor);
   }
 
   visitor.Replace(substitution);
@@ skipping 650 matching lines @@
 
 bool LiveEditFunctionTracker::IsActive() {
   return false;
 }
 
 #endif  // ENABLE_DEBUGGER_SUPPORT
 
 
 
 } }  // namespace v8::internal