Second codegen test passing on ARM (simulated).

runtime/vm/stack_frame.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/stack_frame.h"
 
 #include "vm/assembler_macros.h"
 #include "vm/deopt_instructions.h"
 #include "vm/isolate.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
 #include "vm/os.h"
 #include "vm/parser.h"
 #include "vm/raw_object.h"
 #include "vm/stub_code.h"
 #include "vm/visitor.h"
 
 namespace dart {
 
 
 bool StackFrame::IsStubFrame() const {
   ASSERT(!(IsEntryFrame() || IsExitFrame()));
-  uword saved_pc = *(reinterpret_cast<uword*>(fp() - kWordSize));
+  uword saved_pc =
+      *(reinterpret_cast<uword*>(fp() + EntrypointMarkerOffsetFromFp()));
   return (saved_pc == 0);
 }
 
 
 void StackFrame::Print() const {
   OS::Print("[%-8s : sp(%#"Px") ]\n", GetName(), sp());
 }
 
 
 void ExitFrame::VisitObjectPointers(ObjectPointerVisitor* visitor) {
@@ skipping 97 matching lines @@
   ASSERT(code == Code::null() || code->ptr()->function_ != Function::null());
   return code;
 }
 
 
 RawCode* StackFrame::GetCodeObject() const {
   // We add a no gc scope to ensure that the code below does not trigger
   // a GC as we are handling raw object references here. It is possible
   // that the code is called while a GC is in progress, that is ok.
   NoGCScope no_gc;
-  uword saved_pc = *(reinterpret_cast<uword*>(fp() - kWordSize));
+  uword saved_pc =
+      *(reinterpret_cast<uword*>(fp() + EntrypointMarkerOffsetFromFp()));
   if (saved_pc != 0) {
     uword entry_point =
         (saved_pc - AssemblerMacros::kOffsetOfSavedPCfromEntrypoint);
     RawInstructions* instr = Instructions::FromEntryPoint(entry_point);
     if (instr != Instructions::null()) {
       return instr->ptr()->code_;
     }
   }
   return Code::null();
 }
@@ skipping 185 matching lines @@
                                            &func);
       code_ = func.unoptimized_code();
       function_ = func.raw();
       return;
     }
   }
   SetDone();
 }
 
 }  // namespace dart