ART: Add method name support to TI
Add support for GetMethodName.
Bug: 31684812
Test: m test-art-host
Change-Id: I55e7b6dac7e7193c3d9979ebb289b0e2849ad030
diff --git a/test/910-methods/methods.cc b/test/910-methods/methods.cc
new file mode 100644
index 0000000..fa910c1
--- /dev/null
+++ b/test/910-methods/methods.cc
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2013 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 "methods.h"
+
+#include <stdio.h>
+
+#include "base/macros.h"
+#include "jni.h"
+#include "openjdkjvmti/jvmti.h"
+#include "ScopedLocalRef.h"
+
+#include "ti-agent/common_load.h"
+
+namespace art {
+namespace Test910Methods {
+
+extern "C" JNIEXPORT jobjectArray JNICALL Java_Main_getMethodName(
+ JNIEnv* env, jclass klass ATTRIBUTE_UNUSED, jobject method) {
+ jmethodID id = env->FromReflectedMethod(method);
+
+ char* name;
+ char* sig;
+ char* gen;
+ jvmtiError result = jvmti_env->GetMethodName(id, &name, &sig, &gen);
+ if (result != JVMTI_ERROR_NONE) {
+ char* err;
+ jvmti_env->GetErrorName(result, &err);
+ printf("Failure running GetMethodName: %s\n", err);
+ return nullptr;
+ }
+
+ ScopedLocalRef<jclass> obj_class(env, env->FindClass("java/lang/String"));
+ if (obj_class.get() == nullptr) {
+ return nullptr;
+ }
+
+ jobjectArray ret = env->NewObjectArray(3, obj_class.get(), nullptr);
+ if (ret == nullptr) {
+ return ret;
+ }
+
+ ScopedLocalRef<jstring> name_str(env, name == nullptr ? nullptr : env->NewStringUTF(name));
+ ScopedLocalRef<jstring> sig_str(env, sig == nullptr ? nullptr : env->NewStringUTF(sig));
+ ScopedLocalRef<jstring> gen_str(env, gen == nullptr ? nullptr : env->NewStringUTF(gen));
+
+ env->SetObjectArrayElement(ret, 0, name_str.get());
+ env->SetObjectArrayElement(ret, 1, sig_str.get());
+ env->SetObjectArrayElement(ret, 2, gen_str.get());
+
+ // Need to deallocate the strings.
+ if (name != nullptr) {
+ jvmti_env->Deallocate(reinterpret_cast<unsigned char*>(name));
+ }
+ if (sig != nullptr) {
+ jvmti_env->Deallocate(reinterpret_cast<unsigned char*>(sig));
+ }
+ if (gen != nullptr) {
+ jvmti_env->Deallocate(reinterpret_cast<unsigned char*>(gen));
+ }
+
+ return ret;
+}
+
+// Don't do anything
+jint OnLoad(JavaVM* vm,
+ char* options ATTRIBUTE_UNUSED,
+ void* reserved ATTRIBUTE_UNUSED) {
+ if (vm->GetEnv(reinterpret_cast<void**>(&jvmti_env), JVMTI_VERSION_1_0)) {
+ printf("Unable to get jvmti env!\n");
+ return 1;
+ }
+ return 0;
+}
+
+} // namespace Test910Methods
+} // namespace art