Move CPU features into its own static library.

src/trusted/cpu_features/arch/arm/cpu_arm.c

 /*
  * 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 <string.h>
 
 #include "native_client/src/shared/platform/nacl_log.h"
-#include "native_client/src/trusted/validator_arm/cpuid_arm.h"
+#include "native_client/src/trusted/cpu_features/arch/arm/cpu_arm.h"
 
 
 void NaClSetAllCPUFeaturesArm(NaClCPUFeatures *f) {
   /* TODO(jfb) Use a safe cast in this interface. */
   NaClCPUFeaturesArm *features = (NaClCPUFeaturesArm *) f;
-  /* Pedantic: avoid using memset, as in x86's nacl_cpuid.c. */
+  /* Pedantic: avoid using memset, as in x86's cpu_x86.c. */
   int id;
   /* Ensure any padding is zeroed. */
   NaClClearCPUFeaturesArm(features);
   for (id = 0; id < NaClCPUFeatureArm_Max; ++id) {
     NaClSetCPUFeatureArm(features, id, 1);
   }
 }
 
 void NaClGetCurrentCPUFeaturesArm(NaClCPUFeatures *f) {
   /* TODO(jfb) Use a safe cast in this interface. */
@@ skipping 36 matching lines @@
 }
 
 void NaClSetCPUFeatureArm(NaClCPUFeaturesArm *f, NaClCPUFeatureArmID id,
                           int state) {
   f->data[id] = (char) state;
 }
 
 const char *NaClGetCPUFeatureArmName(NaClCPUFeatureArmID id) {
   static const char *kFeatureArmNames[NaClCPUFeatureArm_Max] = {
 # define NACL_ARM_CPU_FEATURE(name) NACL_TO_STRING(name),
-# include "native_client/src/trusted/validator_arm/cpuid_arm_features.h"
+# include "native_client/src/trusted/cpu_features/arch/arm/cpu_arm_features.h"
 # undef NACL_ARM_CPU_FEATURE
   };
   return ((unsigned)id < NaClCPUFeatureArm_Max) ?
       kFeatureArmNames[id] : "INVALID";
 }
 
 void NaClClearCPUFeaturesArm(NaClCPUFeaturesArm *features) {
   memset(features, 0, sizeof(*features));
 }
 
 void NaClCopyCPUFeaturesArm(NaClCPUFeaturesArm *target,
                             const NaClCPUFeaturesArm *source) {
   memcpy(target, source, sizeof(*target));
 }