Make deoptimization architecture dependent (it depends on the frame layout).

runtime/vm/stack_frame.h

 // Copyright (c) 2011, 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.
 
 #ifndef VM_STACK_FRAME_H_
 #define VM_STACK_FRAME_H_
 
 #include "vm/allocation.h"
 #include "vm/object.h"
 #include "vm/stub_code.h"
@@ skipping 22 matching lines @@
  public:
   virtual ~StackFrame() { }
 
   // Accessors to get the pc, sp and fp of a frame.
   uword sp() const { return sp_; }
   uword fp() const { return fp_; }
   uword pc() const {
     return *reinterpret_cast<uword*>(sp_ + (kSavedPcSlotFromSp * kWordSize));
   }
 
+  // The pool pointer is not implemented on all architectures.
+  static int SavedCallerPpSlotFromFp() {
+    if (kSavedCallerPpSlotFromFp != kSavedCallerFpSlotFromFp) {
+      return kSavedCallerPpSlotFromFp;
+    }
+    UNREACHABLE();
+    return 0;
+  }
+
   void set_pc(uword value) {
     *reinterpret_cast<uword*>(sp_ + (kSavedPcSlotFromSp * kWordSize)) = value;
   }
 
   // Visit objects in the frame.
   virtual void VisitObjectPointers(ObjectPointerVisitor* visitor);
 
   // Print a frame.
   virtual void Print() const;
 
@@ skipping 220 matching lines @@
   GrowableArray<DeoptInstr*> deopt_instructions_;
   Array& object_table_;
 
   DISALLOW_COPY_AND_ASSIGN(InlinedFunctionsIterator);
 };
 
 }  // namespace dart
 
 #endif  // VM_STACK_FRAME_H_