Implemented specialized stubs for API getters. This includes a number...

src/ia32/frames-ia32.cc

Index: src/ia32/frames-ia32.cc
===================================================================
--- src/ia32/frames-ia32.cc	(revision 3149)
+++ src/ia32/frames-ia32.cc	(working copy)
@@ -56,19 +56,14 @@
   state->fp = fp;
   state->sp = sp;
   state->pc_address = reinterpret_cast<Address*>(sp - 1 * kPointerSize);
-  // Determine frame type.
-  if (Memory::Address_at(fp + ExitFrameConstants::kDebugMarkOffset) != 0) {
-    return EXIT_DEBUG;
-  } else {
-    return EXIT;
-  }
+  return EXIT;
 }
 
 
 void ExitFrame::Iterate(ObjectVisitor* v) const {
-  // Exit frames on IA-32 do not contain any pointers. The arguments
-  // are traversed as part of the expression stack of the calling
-  // frame.
+  v->VisitPointer(&code_slot());
+  // The arguments are traversed as part of the expression stack of
+  // the calling frame.
 }