Add validation caching interface.

src/trusted/validator_x86/ncenuminsts_x86_64.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.
  */
 
 #ifndef NACL_TRUSTED_BUT_NOT_TCB
 #error("This file is not meant for use in the TCB")
 #endif
 
@@ skipping 148 matching lines @@
 Bool NaClSegmentValidates(uint8_t* mbase,
                           uint8_t size,
                           NaClPcAddress vbase) {
   NaClCPUFeaturesX86 cpu_features;
   NaClValidationStatus status;
 
   /* check if NaCl thinks the given code segment is valid. */
   NaClSetAllCPUFeatures(&cpu_features);
   status = NaCl_ApplyValidator_x86_64(
       NACL_SB_DEFAULT, NaClApplyCodeValidation, vbase, mbase, size, 32,
-      &cpu_features);
+      &cpu_features, NULL);
   switch (status) {
     case NaClValidationSucceeded:
       return TRUE;
     default:
       return FALSE;
   }
 }