Home | History | Annotate | Download | only in openjdkjvmti 
      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_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>
     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   size_t num_elements = dex_elements_list->GetLength();
     61   // Iterate over the DexPathList$Element to find the right one
     62   for (size_t i = 0; i < num_elements; i++) {
     63     art::ObjPtr<art::mirror::Object> current_element = dex_elements_list->Get(i);
     64     CHECK(!current_element.IsNull());
     65     art::ObjPtr<art::mirror::Object> dex_file(element_dex_file_field->GetObject(current_element));
     66     if (!dex_file.IsNull()) {
     67       if (!visitor(dex_file)) {
     68         return;
     69       }
     70     }
     71   }
     72 }
     73 
     74 }  // namespace openjdkjvmti
     75 
     76 #endif  // ART_OPENJDKJVMTI_TI_CLASS_LOADER_INL_H_
     77