Provide metadata to validator to allow faster caching.

src/trusted/validator_mips/ncvalidate.cc

 /*
  * 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 "native_client/src/trusted/validator_mips/ncvalidate.h"
 
 #include <vector>
 
@@ skipping 95 matching lines @@
   return 0;
 }
 
 static NaClValidationStatus ApplyValidatorMips(
     uintptr_t guest_addr,
     uint8_t *data,
     size_t size,
     int stubout_mode,
     int readonly_text,
     const NaClCPUFeatures *cpu_features,
+    const struct NaClValidationMetadata *metadata,
     struct NaClValidationCache *cache) {
   NaClValidationStatus status = NaClValidationFailedNotImplemented;
   UNREFERENCED_PARAMETER(cpu_features);
+  UNREFERENCED_PARAMETER(metadata);
   UNREFERENCED_PARAMETER(cache);
   if (stubout_mode) {
     NCValidateSegment(data, guest_addr, size, true);
     status = NaClValidationSucceeded;
   } else if (readonly_text) {
     status = NaClValidationFailedNotImplemented;
   } else {
     status = ((0 == NCValidateSegment(data, guest_addr, size, false))
                   ? NaClValidationSucceeded : NaClValidationFailed);
   }
@@ skipping 50 matching lines @@
  */
 int NaClCopyInstruction(uint8_t *dst, uint8_t *src, uint8_t sz) {
   UNREFERENCED_PARAMETER(dst);
   UNREFERENCED_PARAMETER(src);
   UNREFERENCED_PARAMETER(sz);
 
   return 0;
 }
 
 EXTERN_C_END