| /* |
| * Copyright 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <pthread.h> |
| |
| #include <cstdio> |
| #include <iostream> |
| #include <vector> |
| |
| #include "jni.h" |
| |
| #include "gc/heap.h" |
| #include "gc/space/image_space.h" |
| #include "gc/space/space-inl.h" |
| #include "image.h" |
| #include "mirror/class.h" |
| #include "nativehelper/scoped_utf_chars.h" |
| #include "oat_file.h" |
| #include "runtime.h" |
| #include "scoped_thread_state_change-inl.h" |
| |
| namespace art { |
| |
| namespace { |
| |
| // Returns whether the extensionless basename of `location` is equal to name. |
| // E.g. check_name("/foo/bar/baz.odex", "baz") == true, |
| // check_name("/foo/bar/baz.odex", "bar") == false |
| static bool check_name(const std::string& location, const std::string& name) { |
| std::string loc_name = location; |
| size_t idx = loc_name.rfind('/'); |
| if (idx != std::string::npos) { |
| loc_name = loc_name.substr(idx + 1); |
| } |
| idx = loc_name.rfind('.'); |
| if (idx != std::string::npos) { |
| loc_name = loc_name.substr(0, idx); |
| } |
| return loc_name == name; |
| } |
| |
| extern "C" JNIEXPORT jboolean JNICALL Java_Main_checkAppImageLoaded(JNIEnv* env, |
| jclass, |
| jstring jimage_name) { |
| ScopedUtfChars image_name(env, jimage_name); |
| ScopedObjectAccess soa(Thread::Current()); |
| for (auto* space : Runtime::Current()->GetHeap()->GetContinuousSpaces()) { |
| if (space->IsImageSpace()) { |
| auto* image_space = space->AsImageSpace(); |
| const auto& image_header = image_space->GetImageHeader(); |
| // Check that this is an app image associated with the dex file named |
| // `jname` by verifying the extensionless basename of the odex file |
| // location is equal to `jname`. |
| if (image_header.IsAppImage() && |
| check_name(image_space->GetOatFile()->GetLocation(), image_name.c_str())) { |
| return JNI_TRUE; |
| } |
| } |
| } |
| return JNI_FALSE; |
| } |
| |
| extern "C" JNIEXPORT jboolean JNICALL Java_Main_checkAppImageContains(JNIEnv*, jclass, jclass c) { |
| ScopedObjectAccess soa(Thread::Current()); |
| ObjPtr<mirror::Class> klass_ptr = soa.Decode<mirror::Class>(c); |
| for (auto* space : Runtime::Current()->GetHeap()->GetContinuousSpaces()) { |
| if (space->IsImageSpace()) { |
| auto* image_space = space->AsImageSpace(); |
| const auto& image_header = image_space->GetImageHeader(); |
| if (image_header.IsAppImage()) { |
| if (image_space->HasAddress(klass_ptr.Ptr())) { |
| return JNI_TRUE; |
| } |
| } |
| } |
| } |
| return JNI_FALSE; |
| } |
| |
| extern "C" JNIEXPORT jboolean JNICALL Java_Main_checkInitialized(JNIEnv*, jclass, jclass c) { |
| ScopedObjectAccess soa(Thread::Current()); |
| ObjPtr<mirror::Class> klass_ptr = soa.Decode<mirror::Class>(c); |
| return klass_ptr->IsInitialized(); |
| } |
| |
| } // namespace |
| |
| } // namespace art |