1 /*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <jni.h>
18 #include <jvmti.h>
19
20 #include "android-base/logging.h"
21 #include "jni_binder.h"
22 #include "jvmti_helper.h"
23 #include "scoped_local_ref.h"
24 #include "test_env.h"
25
26 namespace art {
27
28 typedef jvmtiError (*SetVerboseFlagExt)(jvmtiEnv*, const char*, jboolean);
29 extern "C" JNIEXPORT void JNICALL
Java_android_jvmti_cts_JvmtiRunTestBasedTest_setupExtraLogging(JNIEnv * env,jclass,jstring arg)30 Java_android_jvmti_cts_JvmtiRunTestBasedTest_setupExtraLogging(JNIEnv* env, jclass, jstring arg) {
31 SetVerboseFlagExt set_flag_ext = GetExtensionFunction<SetVerboseFlagExt>(
32 env, jvmti_env, "com.android.art.misc.set_verbose_flag_ext");
33 if (set_flag_ext == nullptr) {
34 // Just do backup and enable everything.
35 JvmtiErrorToException(env, jvmti_env, jvmti_env->SetVerboseFlag(JVMTI_VERBOSE_OTHER, true));
36 } else {
37 // UTFChars doesn't need to be null terminated.
38 const char* data_raw = env->GetStringUTFChars(arg, nullptr);
39 std::string data;
40 data.resize(env->GetStringUTFLength(arg));
41 memcpy(data.data(), data_raw, data.size());
42 env->ReleaseStringUTFChars(arg, data_raw);
43 JvmtiErrorToException(env, jvmti_env, set_flag_ext(jvmti_env, data.c_str(), true));
44 }
45 }
46
47 static JNINativeMethod gMethods[] = {
48 { "setupExtraLogging",
49 "(Ljava/lang/String;)V",
50 (void*)Java_android_jvmti_cts_JvmtiRunTestBasedTest_setupExtraLogging },
51 };
register_android_jvmti_cts_JvmtiRunTestBasedTest(jvmtiEnv * jenv,JNIEnv * env)52 void register_android_jvmti_cts_JvmtiRunTestBasedTest(jvmtiEnv* jenv, JNIEnv* env) {
53 ScopedLocalRef<jclass> klass(
54 env, GetClass(jenv, env, "android/jvmti/cts/JvmtiRunTestBasedTest", nullptr));
55 if (klass.get() == nullptr) {
56 env->ExceptionClear();
57 return;
58 }
59
60 env->RegisterNatives(klass.get(), gMethods, sizeof(gMethods) / sizeof(JNINativeMethod));
61 if (env->ExceptionCheck()) {
62 env->ExceptionClear();
63 LOG(ERROR) << "Could not register natives for JvmtiRedefineClassesTest class";
64 }
65 }
66
67 } // namespace art
68