Alex Light | eb98b08 | 2017-01-25 13:02:32 -0800 | [diff] [blame] | 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_RUNTIME_OPENJDKJVMTI_TI_CLASS_LOADER_H_ |
| 33 | #define ART_RUNTIME_OPENJDKJVMTI_TI_CLASS_LOADER_H_ |
| 34 | |
| 35 | #include <string> |
| 36 | |
| 37 | #include <jni.h> |
| 38 | |
| 39 | #include "art_jvmti.h" |
| 40 | #include "art_method.h" |
| 41 | #include "base/array_slice.h" |
| 42 | #include "class_linker.h" |
| 43 | #include "dex_file.h" |
| 44 | #include "gc_root-inl.h" |
| 45 | #include "globals.h" |
| 46 | #include "jni_env_ext-inl.h" |
| 47 | #include "jvmti.h" |
| 48 | #include "linear_alloc.h" |
| 49 | #include "mem_map.h" |
| 50 | #include "mirror/array-inl.h" |
| 51 | #include "mirror/array.h" |
| 52 | #include "mirror/class-inl.h" |
| 53 | #include "mirror/class.h" |
| 54 | #include "mirror/class_loader-inl.h" |
| 55 | #include "mirror/string-inl.h" |
| 56 | #include "oat_file.h" |
| 57 | #include "obj_ptr.h" |
| 58 | #include "scoped_thread_state_change-inl.h" |
| 59 | #include "stack.h" |
| 60 | #include "ti_class_definition.h" |
| 61 | #include "thread_list.h" |
| 62 | #include "transform.h" |
| 63 | #include "utf.h" |
| 64 | #include "utils/dex_cache_arrays_layout-inl.h" |
| 65 | |
| 66 | namespace openjdkjvmti { |
| 67 | |
| 68 | // Class that can redefine a single class's methods. |
| 69 | // TODO We should really make this be driven by an outside class so we can do multiple classes at |
| 70 | // the same time and have less required cleanup. |
| 71 | class ClassLoaderHelper { |
| 72 | public: |
| 73 | static bool AddToClassLoader(art::Thread* self, |
| 74 | art::Handle<art::mirror::ClassLoader> loader, |
| 75 | const art::DexFile* dex_file) |
| 76 | REQUIRES_SHARED(art::Locks::mutator_lock_); |
| 77 | |
| 78 | // Finds a java.lang.DexFile object that is associated with the given ClassLoader. Each of these |
| 79 | // j.l.DexFile objects holds several art::DexFile*s in it. |
| 80 | // TODO This should return the actual source java.lang.DexFile object for the klass being loaded. |
| 81 | static art::ObjPtr<art::mirror::Object> FindSourceDexFileObject( |
| 82 | art::Thread* self, art::Handle<art::mirror::ClassLoader> loader) |
| 83 | REQUIRES_SHARED(art::Locks::mutator_lock_); |
| 84 | |
Alex Light | 1babae0 | 2017-02-01 15:35:34 -0800 | [diff] [blame] | 85 | static art::ObjPtr<art::mirror::LongArray> GetDexFileCookie( |
| 86 | art::Handle<art::mirror::Object> java_dex_file) REQUIRES_SHARED(art::Locks::mutator_lock_); |
| 87 | |
Alex Light | eb98b08 | 2017-01-25 13:02:32 -0800 | [diff] [blame] | 88 | static art::ObjPtr<art::mirror::LongArray> AllocateNewDexFileCookie( |
| 89 | art::Thread* self, |
Alex Light | 1babae0 | 2017-02-01 15:35:34 -0800 | [diff] [blame] | 90 | art::Handle<art::mirror::LongArray> old_dex_file_cookie, |
Alex Light | eb98b08 | 2017-01-25 13:02:32 -0800 | [diff] [blame] | 91 | const art::DexFile* new_dex_file) REQUIRES_SHARED(art::Locks::mutator_lock_); |
| 92 | |
| 93 | static void UpdateJavaDexFile(art::ObjPtr<art::mirror::Object> java_dex_file, |
| 94 | art::ObjPtr<art::mirror::LongArray> new_cookie) |
| 95 | REQUIRES(art::Roles::uninterruptible_) REQUIRES_SHARED(art::Locks::mutator_lock_); |
| 96 | }; |
| 97 | |
| 98 | } // namespace openjdkjvmti |
| 99 | #endif // ART_RUNTIME_OPENJDKJVMTI_TI_CLASS_LOADER_H_ |