1 /* Copyright (C) 2017 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_BREAKPOINT_H_ 33 #define ART_OPENJDKJVMTI_TI_BREAKPOINT_H_ 34 35 #include "jni.h" 36 #include "jvmti.h" 37 38 #include "base/mutex.h" 39 40 namespace art { 41 class ArtMethod; 42 namespace mirror { 43 class Class; 44 } // namespace mirror 45 } // namespace art 46 47 namespace openjdkjvmti { 48 49 struct ArtJvmTiEnv; 50 class EventHandler; 51 52 class Breakpoint { 53 public: 54 Breakpoint(art::ArtMethod* m, jlocation loc); 55 56 // Get the hash code of this breakpoint. 57 size_t hash() const; 58 59 bool operator==(const Breakpoint& other) const { 60 return method_ == other.method_ && location_ == other.location_; 61 } 62 GetMethod()63 art::ArtMethod* GetMethod() const { 64 return method_; 65 } 66 GetLocation()67 jlocation GetLocation() const { 68 return location_; 69 } 70 71 private: 72 art::ArtMethod* method_; 73 jlocation location_; 74 }; 75 76 class BreakpointUtil { 77 public: 78 static void Register(EventHandler* eh); 79 static void Unregister(); 80 81 static jvmtiError SetBreakpoint(jvmtiEnv* env, jmethodID method, jlocation location); 82 static jvmtiError ClearBreakpoint(jvmtiEnv* env, jmethodID method, jlocation location); 83 // Used by class redefinition to remove breakpoints on redefined classes. 84 static void RemoveBreakpointsInClass(ArtJvmTiEnv* env, art::mirror::Class* klass) 85 REQUIRES_SHARED(art::Locks::mutator_lock_); 86 }; 87 88 } // namespace openjdkjvmti 89 90 namespace std { 91 template<> struct hash<openjdkjvmti::Breakpoint> { 92 size_t operator()(const openjdkjvmti::Breakpoint& b) const { 93 return b.hash(); 94 } 95 }; 96 97 } // namespace std 98 #endif // ART_OPENJDKJVMTI_TI_BREAKPOINT_H_ 99