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 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
