Move CPU features into its own static library.

src/trusted/validator_arm/ncvalidate.cc

 /*
  * Copyright (c) 2012 The Native Client Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include <climits>
 #include <limits>
 #include <vector>
 
 #include "native_client/src/include/nacl_string.h"
 #include "native_client/src/include/portability.h"
 #include "native_client/src/shared/platform/nacl_check.h"
 #include "native_client/src/shared/platform/nacl_log.h"
 #include "native_client/src/trusted/service_runtime/nacl_config.h"
-#include "native_client/src/trusted/validator_arm/cpuid_arm.h"
+#include "native_client/src/trusted/cpu_features/arch/arm/cpu_arm.h"
 #include "native_client/src/trusted/validator_arm/model.h"
 #include "native_client/src/trusted/validator_arm/validator.h"
 #include "native_client/src/trusted/validator/ncvalidate.h"
 
 using nacl_arm_val::SfiValidator;
 using nacl_arm_val::CodeSegment;
 using nacl_arm_dec::Register;
 using nacl_arm_dec::RegisterList;
 using std::vector;
 
@@ skipping 193 matching lines @@
   // so is their mix (single instruction update is atomic).
   // We just have to make sure that unintended fallthrough doesn't
   // happen, and we don't change position of guard instructions.
   // Problem is that code is mapped for execution at different address
   // that one we use here, and ARM usually use virtually indexed caches,
   // so we couldn't invalidate correctly anyway.
   return 0;
 }
 
 EXTERN_C_END