1adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project/* 2adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Copyright (C) 2007 The Android Open Source Project 3adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * 4adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 5adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * you may not use this file except in compliance with the License. 6adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * You may obtain a copy of the License at 7adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * 8adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 9adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * 10adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 12adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * See the License for the specific language governing permissions and 14adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * limitations under the License. 15adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 16adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 17adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectpackage dalvik.system; 18adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 19adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project/** 20adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Dummy class used during JNI initialization. The JNI functions want 21adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * to be able to create objects, and the VM needs to discard the references 22adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * when the function returns. That gets a little weird when we're 23adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * calling JNI functions from the C main(), and there's no Java stack frame 24adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * to hitch the references onto. 25adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * 26adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Rather than having some special-case code, we create this simple little 27adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * class and pretend that it called the C main(). 28adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * 29adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * This also comes in handy when a native thread attaches itself with the 30adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * JNI AttachCurrentThread call. If they attach the thread and start 31adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * creating objects, we need a fake frame to store stuff in. 32adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 33d4ce68dc671294428f096c473f1dc3665bd4ce82Andy McFaddenclass NativeStart { 34adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private NativeStart() {} 35adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 36adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private static native void main(String[] dummy); 37adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 38d4ce68dc671294428f096c473f1dc3665bd4ce82Andy McFadden private static native void run(); 39adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 40