Move CPU features into its own static library.

src/trusted/validator_arm/cpuid_arm.h

-/*
- * 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.
- */
-
-#ifndef NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_ARM_CPUID_ARM_H
-#define NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_ARM_CPUID_ARM_H
-
-#include "native_client/src/include/nacl_compiler_annotations.h"
-#include "native_client/src/include/nacl_macros.h"
-#include "native_client/src/include/portability.h"
-#include "native_client/src/trusted/validator/ncvalidate.h"
-
-
-EXTERN_C_BEGIN
-
-/* List of features supported by ARM CPUs. */
-typedef enum {
-#define NACL_ARM_CPU_FEATURE(name) NACL_CONCAT(NaClCPUFeatureArm_, name),
-#include "native_client/src/trusted/validator_arm/cpuid_arm_features.h"
-#undef NACL_ARM_CPU_FEATURE
-  /* Leave the following as the last entry. */
-  NaClCPUFeatureArm_Max
-} NaClCPUFeatureArmID;
-
-typedef struct cpu_feature_struct_arm {
-  char data[NaClCPUFeatureArm_Max];
-} NaClCPUFeaturesArm;
-
-/*
- * Platform-independent NaClValidatorInterface functions.
- */
-void NaClSetAllCPUFeaturesArm(NaClCPUFeatures *features);
-void NaClGetCurrentCPUFeaturesArm(NaClCPUFeatures *features);
-int NaClFixCPUFeaturesArm(NaClCPUFeatures *features);
-
-/*
- * Platform-dependent getter/setter.
- */
-static INLINE int NaClGetCPUFeatureArm(const NaClCPUFeaturesArm *features,
-                                       NaClCPUFeatureArmID id) {
-  return features->data[id];
-}
-
-void NaClSetCPUFeatureArm(NaClCPUFeaturesArm *features, NaClCPUFeatureArmID id,
-                          int state);
-const char *NaClGetCPUFeatureArmName(NaClCPUFeatureArmID id);
-
-/*
- * Platform-independent functions which are only used in platform-dependent
- * code.
- */
-void NaClClearCPUFeaturesArm(NaClCPUFeaturesArm *features);
-void NaClCopyCPUFeaturesArm(NaClCPUFeaturesArm *target,
-                            const NaClCPUFeaturesArm *source);
-/*
- * TODO(jfb) The x86 CPU features also offers this function, which is
- * currently not used on ARM: NaClArchSupportedArm.
- */
-
-EXTERN_C_END
-
-#endif /* NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_ARM_CPUID_ARM_H */