Fix vm code base so that it can be built for --arch=simarm (no snapshot yet).

runtime/vm/dart.cc

-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2013, 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/dart.h"
 
 #include "vm/code_observers.h"
 #include "vm/dart_api_state.h"
 #include "vm/dart_entry.h"
 #include "vm/flags.h"
 #include "vm/freelist.h"
@@ skipping 195 matching lines @@
     if (FLAG_print_bootstrap) {
       PrintLibrarySources(isolate);
     }
   }
 
   if (FLAG_heap_profile_initialize) {
     isolate->heap()->ProfileToFile("initialize");
   }
 
   StubCode::Init(isolate);
+  // TODO(regis): Reenable this code for arm and mips when possible.
+#if defined(TARGET_ARCH_IA32) || defined(TARGET_ARCH_X64)
   isolate->megamorphic_cache_table()->InitMissHandler();
+#endif
   if (FLAG_heap_trace) {
     isolate->heap()->trace()->Init(isolate);
   }
   isolate->heap()->EnableGrowthControl();
   isolate->set_init_callback_data(data);
   if (FLAG_print_class_table) {
     isolate->class_table()->Print();
   }
   return Error::null();
 }
@@ skipping 17 matching lines @@
   return predefined_handles_->handles_.AllocateScopedHandle();
 }
 
 
 bool Dart::IsReadOnlyHandle(uword address) {
   ASSERT(predefined_handles_ != NULL);
   return predefined_handles_->handles_.IsValidScopedHandle(address);
 }
 
 }  // namespace dart