Andreas Gampe | f014021 | 2017-03-03 13:28:58 -0800 | [diff] [blame] | 1 | /* Copyright (C) 2016 The Android Open Source Project |
| 2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
Andreas Gampe | 6dee92e | 2016-09-12 19:58:13 -0700 | [diff] [blame] | 3 | * |
Andreas Gampe | f014021 | 2017-03-03 13:28:58 -0800 | [diff] [blame] | 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. |
Andreas Gampe | 6dee92e | 2016-09-12 19:58:13 -0700 | [diff] [blame] | 7 | * |
Andreas Gampe | f014021 | 2017-03-03 13:28:58 -0800 | [diff] [blame] | 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. |
Andreas Gampe | 6dee92e | 2016-09-12 19:58:13 -0700 | [diff] [blame] | 10 | * |
Andreas Gampe | f014021 | 2017-03-03 13:28:58 -0800 | [diff] [blame] | 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. |
Andreas Gampe | 6dee92e | 2016-09-12 19:58:13 -0700 | [diff] [blame] | 30 | */ |
| 31 | |
Andreas Gampe | 06c42a5 | 2017-07-26 14:17:14 -0700 | [diff] [blame^] | 32 | #ifndef ART_OPENJDKJVMTI_OBJECT_TAGGING_H_ |
| 33 | #define ART_OPENJDKJVMTI_OBJECT_TAGGING_H_ |
Andreas Gampe | 6dee92e | 2016-09-12 19:58:13 -0700 | [diff] [blame] | 34 | |
Andreas Gampe | e54eee1 | 2016-10-20 19:03:58 -0700 | [diff] [blame] | 35 | #include <unordered_map> |
| 36 | |
Andreas Gampe | 6dee92e | 2016-09-12 19:58:13 -0700 | [diff] [blame] | 37 | #include "base/mutex.h" |
Andreas Gampe | e54eee1 | 2016-10-20 19:03:58 -0700 | [diff] [blame] | 38 | #include "globals.h" |
Andreas Gampe | 5e6046b | 2016-10-25 12:05:53 -0700 | [diff] [blame] | 39 | #include "jvmti.h" |
Andreas Gampe | f014021 | 2017-03-03 13:28:58 -0800 | [diff] [blame] | 40 | #include "jvmti_weak_table.h" |
Andreas Gampe | 6dee92e | 2016-09-12 19:58:13 -0700 | [diff] [blame] | 41 | #include "mirror/object.h" |
Andreas Gampe | 6dee92e | 2016-09-12 19:58:13 -0700 | [diff] [blame] | 42 | |
| 43 | namespace openjdkjvmti { |
| 44 | |
Andreas Gampe | a1705ea | 2017-03-28 20:12:13 -0700 | [diff] [blame] | 45 | struct ArtJvmTiEnv; |
Andreas Gampe | cc13b22 | 2016-10-10 19:09:09 -0700 | [diff] [blame] | 46 | class EventHandler; |
| 47 | |
Andreas Gampe | f014021 | 2017-03-03 13:28:58 -0800 | [diff] [blame] | 48 | class ObjectTagTable FINAL : public JvmtiWeakTable<jlong> { |
Andreas Gampe | 6dee92e | 2016-09-12 19:58:13 -0700 | [diff] [blame] | 49 | public: |
Andreas Gampe | a1705ea | 2017-03-28 20:12:13 -0700 | [diff] [blame] | 50 | ObjectTagTable(EventHandler* event_handler, ArtJvmTiEnv* env) |
| 51 | : event_handler_(event_handler), jvmti_env_(env) {} |
Andreas Gampe | 6dee92e | 2016-09-12 19:58:13 -0700 | [diff] [blame] | 52 | |
Andreas Gampe | f014021 | 2017-03-03 13:28:58 -0800 | [diff] [blame] | 53 | bool Set(art::mirror::Object* obj, jlong tag) OVERRIDE |
Andreas Gampe | 6dee92e | 2016-09-12 19:58:13 -0700 | [diff] [blame] | 54 | REQUIRES_SHARED(art::Locks::mutator_lock_) |
Andreas Gampe | cc13b22 | 2016-10-10 19:09:09 -0700 | [diff] [blame] | 55 | REQUIRES(!allow_disallow_lock_); |
Andreas Gampe | f014021 | 2017-03-03 13:28:58 -0800 | [diff] [blame] | 56 | bool SetLocked(art::mirror::Object* obj, jlong tag) OVERRIDE |
Andreas Gampe | def4ee6 | 2016-11-07 10:10:21 -0800 | [diff] [blame] | 57 | REQUIRES_SHARED(art::Locks::mutator_lock_) |
| 58 | REQUIRES(allow_disallow_lock_); |
Andreas Gampe | 6dee92e | 2016-09-12 19:58:13 -0700 | [diff] [blame] | 59 | |
Andreas Gampe | def4ee6 | 2016-11-07 10:10:21 -0800 | [diff] [blame] | 60 | jlong GetTagOrZero(art::mirror::Object* obj) |
| 61 | REQUIRES_SHARED(art::Locks::mutator_lock_) |
| 62 | REQUIRES(!allow_disallow_lock_) { |
| 63 | jlong tmp = 0; |
| 64 | GetTag(obj, &tmp); |
| 65 | return tmp; |
| 66 | } |
| 67 | jlong GetTagOrZeroLocked(art::mirror::Object* obj) |
| 68 | REQUIRES_SHARED(art::Locks::mutator_lock_) |
| 69 | REQUIRES(allow_disallow_lock_) { |
| 70 | jlong tmp = 0; |
| 71 | GetTagLocked(obj, &tmp); |
| 72 | return tmp; |
| 73 | } |
Andreas Gampe | 6dee92e | 2016-09-12 19:58:13 -0700 | [diff] [blame] | 74 | |
Andreas Gampe | f014021 | 2017-03-03 13:28:58 -0800 | [diff] [blame] | 75 | protected: |
| 76 | bool DoesHandleNullOnSweep() OVERRIDE; |
| 77 | void HandleNullSweep(jlong tag) OVERRIDE; |
Andreas Gampe | def4ee6 | 2016-11-07 10:10:21 -0800 | [diff] [blame] | 78 | |
Andreas Gampe | 6dee92e | 2016-09-12 19:58:13 -0700 | [diff] [blame] | 79 | private: |
Andreas Gampe | cc13b22 | 2016-10-10 19:09:09 -0700 | [diff] [blame] | 80 | EventHandler* event_handler_; |
Andreas Gampe | a1705ea | 2017-03-28 20:12:13 -0700 | [diff] [blame] | 81 | ArtJvmTiEnv* jvmti_env_; |
Andreas Gampe | 6dee92e | 2016-09-12 19:58:13 -0700 | [diff] [blame] | 82 | }; |
| 83 | |
| 84 | } // namespace openjdkjvmti |
| 85 | |
Andreas Gampe | 06c42a5 | 2017-07-26 14:17:14 -0700 | [diff] [blame^] | 86 | #endif // ART_OPENJDKJVMTI_OBJECT_TAGGING_H_ |