Provide metadata to validator to allow faster caching.

src/trusted/validator_ragel/dfa_validate_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.
  */
 
 /* Implement the Validator API for the x86-64 architecture. */
 #include <errno.h>
 #include <string.h>
 
@@ skipping 12 matching lines @@
 #endif
 
 
 static NaClValidationStatus ApplyDfaValidator_x86_64(
     uintptr_t guest_addr,
     uint8_t *data,
     size_t size,
     int stubout_mode,
     int readonly_text,
     const NaClCPUFeatures *f,
+    const struct NaClValidationMetadata *metadata,
     struct NaClValidationCache *cache) {
   /* TODO(jfb) Use a safe cast here. */
   NaClCPUFeaturesX86 *cpu_features = (NaClCPUFeaturesX86 *) f;
   enum NaClValidationStatus status = NaClValidationFailed;
   UNREFERENCED_PARAMETER(guest_addr);
+  UNREFERENCED_PARAMETER(metadata);
   UNREFERENCED_PARAMETER(cache);
 
   if (stubout_mode)
     return NaClValidationFailedNotImplemented;
   if (!NaClArchSupportedX86(cpu_features))
     return NaClValidationFailedCpuNotSupported;
   if (size & kBundleMask)
     return NaClValidationFailed;
   if (ValidateChunkAMD64(data, size, 0 /*options*/, cpu_features,
                          readonly_text ?
@@ skipping 145 matching lines @@
   ValidatorCodeReplacement_x86_64,
   sizeof(NaClCPUFeaturesX86),
   NaClSetAllCPUFeaturesX86,
   NaClGetCurrentCPUFeaturesX86,
   NaClFixCPUFeaturesX86,
 };
 
 const struct NaClValidatorInterface *NaClDfaValidatorCreate_x86_64(void) {
   return &validator;
 }