1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 /* 18 * Copyright (C) 2012 The Android Open Source Project 19 * 20 * Licensed under the Apache License, Version 2.0 (the "License"); 21 * you may not use this file except in compliance with the License. 22 * You may obtain a copy of the License at 23 * 24 * http://www.apache.org/licenses/LICENSE-2.0 25 * 26 * Unless required by applicable law or agreed to in writing, software 27 * distributed under the License is distributed on an "AS IS" BASIS, 28 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 29 * See the License for the specific language governing permissions and 30 * limitations under the License. 31 */ 32 33 package java.lang; 34 35 import android.compat.annotation.UnsupportedAppUsage; 36 import dalvik.annotation.optimization.FastNative; 37 38 /** 39 * A dex cache holds resolved copies of strings, fields, methods, and classes from the dexfile. 40 */ 41 final class DexCache { 42 /** The classloader this dex cache is for. */ 43 private ClassLoader classLoader; 44 45 /** The location of the associated dex file. */ 46 private String location; 47 48 /** Holds C pointer to dexFile. */ 49 @UnsupportedAppUsage 50 private long dexFile; 51 52 /** 53 * References to CallSite (C array pointer) as they become resolved following 54 * interpreter semantics. 55 */ 56 private long resolvedCallSites; 57 58 /** 59 * References to fields (C array pointers) as they become resolved following 60 * interpreter semantics. May refer to fields defined in other dex files. 61 */ 62 private long resolvedFields; 63 private long resolvedFieldsArray; 64 65 /** 66 * References to MethodType (C array pointers) as they become resolved following 67 * interpreter semantics. 68 */ 69 private long resolvedMethodTypes; 70 private long resolvedMethodTypesArray; 71 72 /** 73 * References to methods (C array pointers) as they become resolved following 74 * interpreter semantics. May refer to methods defined in other dex files. 75 */ 76 private long resolvedMethods; 77 private long resolvedMethodsArray; 78 79 /** 80 * References to types (C array pointers) as they become resolved following 81 * interpreter semantics. May refer to types defined in other dex files. 82 */ 83 private long resolvedTypes; 84 private long resolvedTypesArray; 85 86 /** 87 * References to strings (C array pointers) as they become resolved following 88 * interpreter semantics. All strings are interned. 89 */ 90 private long strings; 91 private long stringsArray; 92 93 // Only created by the VM. DexCache()94 private DexCache() {} 95 } 96