Move CPU features into its own static library.

src/trusted/validator/ncvalidate.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_X86_NCVALIDATE_H__
 #define NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_X86_NCVALIDATE_H__
 
 /* Defines the API exposed by the Native Client validators. */
 
 #include "native_client/src/include/nacl_base.h"
 #include "native_client/src/include/portability.h"
+#include "native_client/src/trusted/cpu_features/cpu_features.h"
 
 
 EXTERN_C_BEGIN
 
 struct NaClValidationCache;
 
-/*
- * Forward-declared (but never defined) generic CPU features.
- * Each architecture needs to cast from this generic type.
- */
-struct NaClCPUFeaturesAbstract;
-typedef struct NaClCPUFeaturesAbstract NaClCPUFeatures;
-
 /* Defines possible validation status values. */
 typedef enum NaClValidationStatus {
   /* The call to the validator succeeded. */
   NaClValidationSucceeded,
   /* The call to the validator failed (Reason unspecified) */
   NaClValidationFailed,
   /* The call to the validator failed, due to not enough memory. */
   NaClValidationFailedOutOfMemory,
   /* The call to the validator failed, due to it not being implemented yet. */
   NaClValidationFailedNotImplemented,
@@ skipping 138 matching lines @@
                                        NACL_TARGET_ARCH,
                                        NACL_TARGET_SUBARCH)(
     uintptr_t guest_addr,
     uint8_t *data,
     size_t size,
     const NaClCPUFeatures *cpu_features);
 
 EXTERN_C_END
 
 #endif  /*  NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_X86_NCVALIDATE_H__ */