Add a target to run the SyzyAsan RTL unittests in 4G

syzygy/agent/asan/rtl_unittest.cc

 // Copyright 2012 Google Inc. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
 #include <windows.h>
 
 #include "gtest/gtest.h"
 #include "syzygy/agent/asan/heap_checker.h"
 #include "syzygy/agent/asan/rtl_impl.h"
 #include "syzygy/agent/asan/runtime.h"
 #include "syzygy/agent/asan/unittest_util.h"
+#include "syzygy/testing/laa.h"
 
 namespace agent {
 namespace asan {
 
 namespace {
 
 using testing::AsanBlockInfoVector;
 using testing::ClangMemoryAccessorTester;
 using testing::MemoryAccessorTester;
 using testing::ScopedAsanAlloc;
@@ skipping 231 matching lines @@
 
   tester_.tester()->set_expected_error_type(DOUBLE_FREE);
   EXPECT_FALSE(HeapFreeFunction(heap_, 0, mem_ptr));
   EXPECT_TRUE(tester_.tester()->memory_error_detected());
   EXPECT_TRUE(LogContains(kAttemptingDoubleFree));
   EXPECT_TRUE(LogContains("previously allocated here"));
   EXPECT_TRUE(LogContains("freed here"));
 }
 
 TYPED_TEST(AsanRtlTypedTest, AsanCheckWildAccess) {
+  TEST_ONLY_SUPPORTS_2G();
+
   FARPROC check_access_fn =
       ::GetProcAddress(asan_rtl_, tester_.function_name());
   ASSERT_TRUE(check_access_fn != NULL);
 
 #ifndef _WIN64
   void* addr = reinterpret_cast<void*>(0x80000000);
 #else
   void* addr = reinterpret_cast<void*>(1ULL << 63);
 #endif
 
@@ skipping 452 matching lines @@
   EXPECT_EQ("Enabled", experiments["SyzyASANPageProtections"]);
   EXPECT_EQ("Enabled", experiments["SyzyASANLargeBlockHeap"]);
 
   // This implicitly asserts the full contents of the map by asserting
   // on the size after looking up the expected keys.
   EXPECT_EQ(2U, experiments.size());
 }
 
 }  // namespace asan
 }  // namespace agent