Provide metadata to validator to allow faster caching.

src/trusted/service_runtime/sel_ldr_standard.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.
  */
 
 /*
  * NaCl Simple/secure ELF loader (NaCl SEL).
  */
 
@@ skipping 392 matching lines @@
   NaClPerfCounterMark(&time_load_file, "EndLoadFile");
   NaClPerfCounterIntervalTotal(&time_load_file);
   return ret;
 }
 
 NaClErrorCode NaClAppLoadFile(struct Gio       *gp,
                               struct NaClApp   *nap) {
   return NaClAppLoadFileAslr(gp, nap, NACL_ENABLE_ASLR);
 }
 
-NaClErrorCode NaClAppLoadFileDynamically(struct NaClApp *nap,
-                                         struct Gio     *gio_file) {
+NaClErrorCode NaClAppLoadFileDynamically(
+    struct NaClApp *nap,
+    struct Gio     *gio_file,
+    struct NaClValidationMetadata *metadata) {
   struct NaClElfImage *image = NULL;
   NaClErrorCode ret = LOAD_INTERNAL;
 
   image = NaClElfImageNew((struct Gio *) gio_file, &ret);
   if (NULL == image || LOAD_OK != ret) {
     goto done;
   }
-  ret = NaClElfImageLoadDynamically(image, nap, gio_file);
+  ret = NaClElfImageLoadDynamically(image, nap, gio_file, metadata);
   if (LOAD_OK != ret) {
     goto done;
   }
   nap->user_entry_pt = nap->initial_entry_pt;
   nap->initial_entry_pt = NaClElfImageGetEntryPoint(image);
 
  done:
   NaClElfImageDelete(image);
   return ret;
 }
@@ skipping 484 matching lines @@
                           NaClSysToUserStackAddr(nap, sys_stack_ptr),
                           user_tls1,
                           user_tls2)) {
     NaClLog(LOG_WARNING,
             ("NaClCreateAdditionalThread: could not allocate thread."
              "  Returning EAGAIN per POSIX specs.\n"));
     return -NACL_ABI_EAGAIN;
   }
   return 0;
 }