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_CLASS_LOADER_INL_H_
33 #define ART_OPENJDKJVMTI_TI_CLASS_LOADER_INL_H_
34
35 #include "ti_class_loader.h"
36 #include "art_field-inl.h"
37 #include "handle.h"
38 #include "handle_scope.h"
39 #include "jni/jni_internal.h"
40 #include "mirror/object.h"
41 #include "mirror/object_array-inl.h"
42 #include "well_known_classes.h"
43
44 namespace openjdkjvmti {
45
46 template<typename Visitor>
VisitDexFileObjects(art::Thread * self,art::Handle<art::mirror::ClassLoader> loader,const Visitor & visitor)47 inline void ClassLoaderHelper::VisitDexFileObjects(art::Thread* self,
48 art::Handle<art::mirror::ClassLoader> loader,
49 const Visitor& visitor) {
50 art::StackHandleScope<1> hs(self);
51 art::ArtField* element_dex_file_field = art::jni::DecodeArtField(
52 art::WellKnownClasses::dalvik_system_DexPathList__Element_dexFile);
53
54 art::Handle<art::mirror::ObjectArray<art::mirror::Object>> dex_elements_list(
55 hs.NewHandle(GetDexElementList(self, loader)));
56 if (dex_elements_list == nullptr) {
57 return;
58 }
59
60 // Iterate over the DexPathList$Element to find the right one
61 for (auto current_element : dex_elements_list.Iterate<art::mirror::Object>()) {
62 CHECK(!current_element.IsNull());
63 art::ObjPtr<art::mirror::Object> dex_file(element_dex_file_field->GetObject(current_element));
64 if (!dex_file.IsNull()) {
65 if (!visitor(dex_file)) {
66 return;
67 }
68 }
69 }
70 }
71
72 } // namespace openjdkjvmti
73
74 #endif // ART_OPENJDKJVMTI_TI_CLASS_LOADER_INL_H_
75