Create platform_util for tests.

PiperOrigin-RevId: 291869423

1 files changed, 49 insertions, 0 deletions

diff --git a/test/util/platform_util.cc b/test/util/platform_util.cc
new file mode 100644
index 000000000..2724e63f3
--- /dev/null
+++ b/test/util/platform_util.cc
@@ -0,0 +1,49 @@
+// Copyright 2020 The gVisor Authors.
+//
+// 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 "test/util/platform_util.h"
+
+#include "test/util/test_util.h"
+
+namespace gvisor {
+namespace testing {
+
+PlatformSupport PlatformSupport32Bit() {
+  if (GvisorPlatform() == Platform::kPtrace) {
+    return PlatformSupport::NotSupported;
+  } else if (GvisorPlatform() == Platform::kKVM) {
+    return PlatformSupport::Segfault;
+  } else {
+    return PlatformSupport::Allowed;
+  }
+}
+
+PlatformSupport PlatformSupportAlignmentCheck() {
+  return PlatformSupport::Allowed;
+}
+
+PlatformSupport PlatformSupportMultiProcess() {
+  return PlatformSupport::Allowed;
+}
+
+PlatformSupport PlatformSupportInt3() {
+  if (GvisorPlatform() == Platform::kKVM) {
+    return PlatformSupport::NotSupported;
+  } else {
+    return PlatformSupport::Allowed;
+  }
+}
+
+}  // namespace testing
+}  // namespace gvisor