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

src/frames-inl.h

Index: src/frames-inl.h
===================================================================
--- src/frames-inl.h	(revision 5368)
+++ src/frames-inl.h	(working copy)
@@ -64,9 +64,8 @@
 }
 
 
-inline void StackHandler::Iterate(ObjectVisitor* v) const {
-  // Stack handlers do not contain any pointers that need to be
-  // traversed.
+inline void StackHandler::Iterate(ObjectVisitor* v, Code* holder) const {
+  StackFrame::IteratePc(v, pc_address(), holder);
 }
 
 
@@ -81,18 +80,12 @@
 }
 
 
-inline Address StackHandler::pc() const {
+inline Address* StackHandler::pc_address() const {
   const int offset = StackHandlerConstants::kPCOffset;
-  return Memory::Address_at(address() + offset);
+  return reinterpret_cast<Address*>(address() + offset);
 }
 
 
-inline void StackHandler::set_pc(Address value) {
-  const int offset = StackHandlerConstants::kPCOffset;
-  Memory::Address_at(address() + offset) = value;
-}
-
-
 inline StackHandler* StackFrame::top_handler() const {
   return iterator_->handler();
 }