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 <stdio.h>
18
19 #include "android-base/macros.h"
20
21 #include "jni.h"
22 #include "jvmti.h"
23 #include "scoped_local_ref.h"
24
25 // Test infrastructure
26 #include "jni_helper.h"
27 #include "jvmti_helper.h"
28 #include "test_env.h"
29
30 namespace art {
31 namespace Test991FieldTrace {
32
Java_art_Test991_doNativeReadWrite(JNIEnv * env,jclass klass,jobject testclass)33 extern "C" JNIEXPORT void JNICALL Java_art_Test991_doNativeReadWrite(
34 JNIEnv* env, jclass klass, jobject testclass) {
35 CHECK(testclass != nullptr);
36 ScopedLocalRef<jclass> testclass_klass(env, env->GetObjectClass(testclass));
37 jmethodID notifyMethod = env->GetStaticMethodID(klass, "doPrintNativeNotification", "(I)V");
38 if (env->ExceptionCheck()) {
39 return;
40 }
41 jfieldID xyz_field = env->GetFieldID(testclass_klass.get(), "xyz", "I");
42 if (env->ExceptionCheck()) {
43 return;
44 }
45 jint val = env->GetIntField(testclass, xyz_field);
46 if (env->ExceptionCheck()) {
47 return;
48 }
49 env->CallStaticVoidMethod(klass, notifyMethod, val);
50 if (env->ExceptionCheck()) {
51 return;
52 }
53 val += 1;
54 env->SetIntField(testclass, xyz_field, val);
55 }
56
57 } // namespace Test991FieldTrace
58 } // namespace art
59
60