A mechanism to identify/forbid/"rewrite" non-temporal instructions (and other)

src/trusted/validator/validation_cache_test.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 "gtest/gtest.h"
 
 #include <fcntl.h>
 
@@ skipping 150 matching lines @@
     cpu_features = (NaClCPUFeatures *) malloc(validator->CPUFeatureSize);
     EXPECT_NE(cpu_features, (NaClCPUFeatures *) NULL);
     validator->SetAllCPUFeatures(cpu_features);
 
     memset(code_buffer, NOP, sizeof(code_buffer));
   }
 
   NaClValidationStatus Validate() {
     return validator->Validate(0, code_buffer, 32,
                                FALSE,  /* stubout_mode */
+                               0,      /* flags */
                                FALSE,  /* readonly_test */
                                cpu_features,
                                metadata_ptr,
                                &cache);
   }
 
   void TearDown() {
     free(cpu_features);
   }
 };
 
 TEST_F(ValidationCachingInterfaceTests, Sanity) {
   void *query = cache.CreateQuery(cache.handle);
   context.add_count_expected = 2;
   cache.AddData(query, NULL, 6);
   cache.AddData(query, NULL, 128);
   EXPECT_EQ(1, cache.QueryKnownToValidate(query));
   cache.DestroyQuery(query);
   EXPECT_EQ(true, context.query_destroyed);
 }
 
 TEST_F(ValidationCachingInterfaceTests, NoCache) {
   const struct NaClValidatorInterface *validator = NaClCreateValidator();
   NaClValidationStatus status = validator->Validate(
       0, code_buffer, CODE_SIZE,
       FALSE, /* stubout_mode */
+      0,     /* flags */
       FALSE, /* readonly_test */
       cpu_features,
       NULL, /* metadata */
       NULL);
   EXPECT_EQ(NaClValidationSucceeded, status);
 }
 
 TEST_F(ValidationCachingInterfaceTests, CacheHit) {
   NaClValidationStatus status = Validate();
   EXPECT_EQ(NaClValidationSucceeded, status);
@@ skipping 204 matching lines @@
   // One file we know must exist is this executable.
   AN_ARBITRARY_FILE_PATH = argv[0];
   // The IllegalInst test touches the log mutex deep inside the validator.
   // This causes an SEH exception to be thrown on Windows if the mutex is not
   // initialized.
   // http://code.google.com/p/nativeclient/issues/detail?id=1696
   NaClLogModuleInit();
   testing::InitGoogleTest(&argc, argv);
   return RUN_ALL_TESTS();
 }