1 files changed, 74 insertions, 0 deletions
diff --git a/test/common/stack_inspect.cc b/test/common/stack_inspect.cc
new file mode 100644
index 0000000000..d22cf52882
--- /dev/null
+++ b/test/common/stack_inspect.cc
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * 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 "jni.h"
+
+#include "base/logging.h"
+#include "dex_file-inl.h"
+#include "mirror/class-inl.h"
+#include "nth_caller_visitor.h"
+#include "runtime.h"
+#include "scoped_thread_state_change.h"
+#include "stack.h"
+#include "thread-inl.h"
+
+namespace art {
+
+// public static native boolean isCallerInterpreted();
+
+extern "C" JNIEXPORT jboolean JNICALL Java_Main_isCallerInterpreted(JNIEnv* env, jclass) {
+  ScopedObjectAccess soa(env);
+  NthCallerVisitor caller(soa.Self(), 1, false);
+  caller.WalkStack();
+  CHECK(caller.caller != nullptr);
+  return caller.GetCurrentShadowFrame() != nullptr ? JNI_TRUE : JNI_FALSE;
+}
+
+// public static native void assertCallerIsInterpreted();
+
+extern "C" JNIEXPORT void JNICALL Java_Main_assertCallerIsInterpreted(JNIEnv* env, jclass klass) {
+  CHECK(Java_Main_isCallerInterpreted(env, klass));
+}
+
+
+// public static native boolean isCallerManaged();
+
+extern "C" JNIEXPORT jboolean JNICALL Java_Main_isCallerManaged(JNIEnv* env, jclass cls) {
+  ScopedObjectAccess soa(env);
+
+  mirror::Class* klass = soa.Decode<mirror::Class*>(cls);
+  const DexFile& dex_file = klass->GetDexFile();
+  const OatFile::OatDexFile* oat_dex_file = dex_file.GetOatDexFile();
+  if (oat_dex_file == nullptr) {
+    // No oat file, this must be a test configuration that doesn't compile at all. Ignore that the
+    // result will be that we're running the interpreter.
+    return JNI_FALSE;
+  }
+
+  NthCallerVisitor caller(soa.Self(), 1, false);
+  caller.WalkStack();
+  CHECK(caller.caller != nullptr);
+
+  return caller.GetCurrentShadowFrame() != nullptr ? JNI_FALSE : JNI_TRUE;
+}
+
+// public static native void assertCallerIsManaged();
+
+extern "C" JNIEXPORT void JNICALL Java_Main_assertCallerIsManaged(JNIEnv* env, jclass cls) {
+  CHECK(Java_Main_isCallerManaged(env, cls));
+}
+
+}  // namespace art