/* * Copyright (C) 2018 The Android Open Source Project * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. The Android Open Source * Project designates this particular file as subject to the "Classpath" * exception as provided by The Android Open Source Project in the LICENSE * file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. */ #include #include extern "C" void register_java_util_zip_Inflater(JNIEnv* env); extern "C" void register_java_util_zip_Deflater(JNIEnv* env); extern "C" void register_java_io_FileDescriptor(JNIEnv* env); extern "C" void register_sun_nio_ch_DatagramChannelImpl(JNIEnv* env); extern "C" void register_sun_nio_ch_DatagramDispatcher(JNIEnv* env); extern "C" void register_java_io_Console(JNIEnv* env); extern "C" void register_sun_nio_ch_IOUtil(JNIEnv* env); extern "C" void register_sun_nio_ch_SocketChannelImpl(JNIEnv* env); extern "C" void register_sun_nio_ch_FileChannelImpl(JNIEnv* env); extern "C" void register_sun_nio_ch_FileDispatcherImpl(JNIEnv* env); extern "C" void register_java_io_FileInputStream(JNIEnv* env); extern "C" void register_java_util_prefs_FileSystemPreferences(JNIEnv* env); extern "C" void register_sun_nio_ch_NativeThread(JNIEnv* env); extern "C" void register_sun_nio_ch_FileKey(JNIEnv* env); extern "C" void register_java_io_UnixFileSystem(JNIEnv* env); extern "C" void register_java_io_ObjectStreamClass(JNIEnv* env); extern "C" void register_java_io_ObjectOutputStream(JNIEnv* env); extern "C" void register_java_io_ObjectInputStream(JNIEnv* env); extern "C" void register_java_net_InetAddress(JNIEnv* env); extern "C" jint net_JNI_OnLoad(JavaVM *vm, void* ignored); extern "C" void register_sun_nio_ch_Net(JNIEnv* env); extern "C" void register_java_nio_MappedByteBuffer(JNIEnv* env); extern "C" void register_java_net_Inet6Address(JNIEnv* env); extern "C" void register_java_net_Inet4Address(JNIEnv* env); extern "C" void register_sun_nio_ch_ServerSocketChannelImpl(JNIEnv* env); extern "C" void register_java_net_SocketInputStream(JNIEnv* env); extern "C" void register_java_net_SocketOutputStream(JNIEnv* env); extern "C" void register_java_lang_Float(JNIEnv* env); extern "C" void register_java_lang_Double(JNIEnv* env); extern "C" void register_java_lang_StrictMath(JNIEnv* env); extern "C" void register_java_lang_Math(JNIEnv* env); extern "C" void register_java_lang_ProcessEnvironment(JNIEnv* env); extern "C" void register_java_lang_System(JNIEnv* env); extern "C" void register_java_lang_Runtime(JNIEnv* env); extern "C" void register_java_lang_UNIXProcess(JNIEnv* env); void register_java_lang_Character(JNIEnv* env); void register_jdk_internal_misc_VM(JNIEnv* env); extern "C" void register_java_util_zip_CRC32(JNIEnv* env); extern "C" void register_java_util_zip_Adler32(JNIEnv* env); extern "C" void register_java_sun_nio_fs_UnixNativeDispatcher(JNIEnv* env); extern "C" void register_java_sun_nio_ch_PollArrayWrapper(JNIEnv* env); extern "C" JNIEXPORT jint JNI_OnLoad(JavaVM* vm, void*) { jint version = JNI_VERSION_1_6; void* raw_env; jint result = vm->GetEnv(&raw_env, version); CHECK_EQ(result, JNI_OK); CHECK(raw_env != nullptr); JNIEnv* env = static_cast(raw_env); // Some registration functions also do some extra local initialization, // creating local references in the process. ART does not expect JNI_OnLoad() // to leave any local references in the current frame, so create a new one. // Request space for 128 local references (increase if necessary). result = env->PushLocalFrame(128); CHECK_EQ(result, 0); // Some registration functions also record field ids retrieved using // GetFieldID(), forcing the initialization of the searched class. As some // class initializers (notably Inet*Address) directly or indirectly use // the StringBuilder, we need to start by registering native methods needed // for resizing its internal buffer. That's done through Arrays.copyOf() // which uses System.arraycopy() and Math.min(), forcing the initialization // of System and Main. The former uses System's own native methods while the // latter uses native methods of Float and Double but not Math's own. register_java_lang_Float(env); register_java_lang_Double(env); register_java_lang_System(env); // Initialize the rest in the order in which they appear in Android.bp . register_java_util_zip_Inflater(env); register_java_util_zip_Deflater(env); register_java_io_FileDescriptor(env); register_sun_nio_ch_DatagramChannelImpl(env); register_sun_nio_ch_DatagramDispatcher(env); register_java_io_Console(env); register_sun_nio_ch_IOUtil(env); register_sun_nio_ch_SocketChannelImpl(env); register_sun_nio_ch_FileChannelImpl(env); register_sun_nio_ch_FileDispatcherImpl(env); register_java_io_FileInputStream(env); register_java_util_prefs_FileSystemPreferences(env); register_sun_nio_ch_NativeThread(env); register_sun_nio_ch_FileKey(env); register_java_io_UnixFileSystem(env); register_java_io_ObjectStreamClass(env); register_java_io_ObjectOutputStream(env); register_java_io_ObjectInputStream(env); register_java_net_InetAddress(env); jint net_jni_version = net_JNI_OnLoad(vm, /* ignored */ nullptr); CHECK(net_jni_version == JNI_VERSION_1_2 || net_jni_version == JNI_VERSION_1_4 || net_jni_version == JNI_VERSION_1_6); register_sun_nio_ch_Net(env); register_java_nio_MappedByteBuffer(env); register_java_net_Inet6Address(env); register_java_net_Inet4Address(env); register_sun_nio_ch_ServerSocketChannelImpl(env); register_java_net_SocketInputStream(env); register_java_net_SocketOutputStream(env); register_java_lang_StrictMath(env); register_java_lang_Math(env); register_java_lang_ProcessEnvironment(env); register_java_lang_Runtime(env); register_java_lang_UNIXProcess(env); register_java_lang_Character(env); register_jdk_internal_misc_VM(env); register_java_util_zip_CRC32(env); register_java_util_zip_Adler32(env); register_java_sun_nio_fs_UnixNativeDispatcher(env); register_java_sun_nio_ch_PollArrayWrapper(env); env->PopLocalFrame(/* result */ nullptr); // Pop the local frame. return version; }