1 /* Copyright (C) 2016 The Android Open Source Project 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * 4 * This file implements interfaces from the file jvmti.h. This implementation 5 * is licensed under the same terms as the file jvmti.h. The 6 * copyright and license information for the file jvmti.h follows. 7 * 8 * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved. 9 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 10 * 11 * This code is free software; you can redistribute it and/or modify it 12 * under the terms of the GNU General Public License version 2 only, as 13 * published by the Free Software Foundation. Oracle designates this 14 * particular file as subject to the "Classpath" exception as provided 15 * by Oracle in the LICENSE file that accompanied this code. 16 * 17 * This code is distributed in the hope that it will be useful, but WITHOUT 18 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 19 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 20 * version 2 for more details (a copy is included in the LICENSE file that 21 * accompanied this code). 22 * 23 * You should have received a copy of the GNU General Public License version 24 * 2 along with this work; if not, write to the Free Software Foundation, 25 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 26 * 27 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 28 * or visit www.oracle.com if you need additional information or have any 29 * questions. 30 */ 31 32 #ifndef ART_OPENJDKJVMTI_TI_METHOD_H_ 33 #define ART_OPENJDKJVMTI_TI_METHOD_H_ 34 35 #include "dex/primitive.h" 36 #include "jni.h" 37 #include "jvmti.h" 38 39 namespace openjdkjvmti { 40 41 class EventHandler; 42 43 class MethodUtil { 44 public: 45 static void Register(EventHandler* event_handler); 46 static void Unregister(); 47 48 static jvmtiError GetBytecodes(jvmtiEnv* env, 49 jmethodID method, 50 jint* count_ptr, 51 unsigned char** bytecodes); 52 53 static jvmtiError GetArgumentsSize(jvmtiEnv* env, jmethodID method, jint* size_ptr); 54 55 static jvmtiError GetMaxLocals(jvmtiEnv* env, jmethodID method, jint* max_ptr); 56 57 static jvmtiError GetMethodName(jvmtiEnv* env, 58 jmethodID method, 59 char** name_ptr, 60 char** signature_ptr, 61 char** generic_ptr); 62 63 static jvmtiError GetMethodDeclaringClass(jvmtiEnv* env, 64 jmethodID method, 65 jclass* declaring_class_ptr); 66 67 static jvmtiError GetMethodLocation(jvmtiEnv* env, 68 jmethodID method, 69 jlocation* start_location_ptr, 70 jlocation* end_location_ptr); 71 72 static jvmtiError GetMethodModifiers(jvmtiEnv* env, 73 jmethodID method, 74 jint* modifiers_ptr); 75 76 static jvmtiError GetLineNumberTable(jvmtiEnv* env, 77 jmethodID method, 78 jint* entry_count_ptr, 79 jvmtiLineNumberEntry** table_ptr); 80 81 static jvmtiError IsMethodNative(jvmtiEnv* env, jmethodID method, jboolean* is_native_ptr); 82 static jvmtiError IsMethodObsolete(jvmtiEnv* env, jmethodID method, jboolean* is_obsolete_ptr); 83 static jvmtiError IsMethodSynthetic(jvmtiEnv* env, jmethodID method, jboolean* is_synthetic_ptr); 84 static jvmtiError GetLocalVariableTable(jvmtiEnv* env, 85 jmethodID method, 86 jint* entry_count_ptr, 87 jvmtiLocalVariableEntry** table_ptr); 88 89 template<typename T> 90 static jvmtiError SetLocalVariable(jvmtiEnv* env, jthread thread, jint depth, jint slot, T data); 91 92 template<typename T> 93 static jvmtiError GetLocalVariable(jvmtiEnv* env, jthread thread, jint depth, jint slot, T* data); 94 95 static jvmtiError GetLocalInstance(jvmtiEnv* env, jthread thread, jint depth, jobject* data); 96 97 private: 98 static jvmtiError SetLocalVariableGeneric(jvmtiEnv* env, 99 jthread thread, 100 jint depth, 101 jint slot, 102 art::Primitive::Type type, 103 jvalue value); 104 static jvmtiError GetLocalVariableGeneric(jvmtiEnv* env, 105 jthread thread, 106 jint depth, 107 jint slot, 108 art::Primitive::Type type, 109 jvalue* value); 110 }; 111 112 } // namespace openjdkjvmti 113 114 #endif // ART_OPENJDKJVMTI_TI_METHOD_H_ 115