1 /* 2 * Copyright (C) 2013 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 <iostream> 18 #include <pthread.h> 19 #include <stdio.h> 20 #include <vector> 21 22 #include "android-base/logging.h" 23 #include "jni.h" 24 #include "scoped_local_ref.h" 25 #include "scoped_primitive_array.h" 26 27 #include "jvmti.h" 28 29 // Test infrastructure 30 #include "jvmti_helper.h" 31 #include "test_env.h" 32 33 namespace art { 34 namespace Test1901Bytecodes { 35 36 extern "C" JNIEXPORT jbyteArray JNICALL Java_art_Test1901_getBytecodes(JNIEnv* env, 37 jclass, 38 jobject jmethod) { 39 jmethodID method = env->FromReflectedMethod(jmethod); 40 if (env->ExceptionCheck()) { 41 return nullptr; 42 } 43 unsigned char* bytecodes = nullptr; 44 jint bytecodes_size = 0; 45 if (JvmtiErrorToException(env, 46 jvmti_env, 47 jvmti_env->GetBytecodes(method, &bytecodes_size, &bytecodes))) { 48 return nullptr; 49 } 50 jbyteArray out = env->NewByteArray(bytecodes_size); 51 if (env->ExceptionCheck()) { 52 return nullptr; 53 } else if (bytecodes_size == 0) { 54 return out; 55 } 56 jbyte* bytes = env->GetByteArrayElements(out, /* is_copy */ nullptr); 57 memcpy(bytes, bytecodes, bytecodes_size); 58 env->ReleaseByteArrayElements(out, bytes, 0); 59 return out; 60 } 61 62 } // namespace Test1901Bytecodes 63 } // namespace art 64
