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 dalvik.annotation.optimization.FastNative; 36 37 /** 38 * A dex cache holds resolved copies of strings, fields, methods, and classes from the dexfile. 39 */ 40 final class DexCache { 41 /** The location of the associated dex file. */ 42 private String location; 43 44 /** Holds C pointer to dexFile. */ 45 private long dexFile; 46 47 /** 48 * References to CallSite (C array pointer) as they become resolved following 49 * interpreter semantics. 50 */ 51 private long resolvedCallSites; 52 53 /** 54 * References to fields (C array pointer) as they become resolved following 55 * interpreter semantics. May refer to fields defined in other dex files. 56 */ 57 private long resolvedFields; 58 59 /** 60 * References to MethodType (C array pointer) as they become resolved following 61 * interpreter semantics. 62 */ 63 private long resolvedMethodTypes; 64 65 /** 66 * References to methods (C array pointer) as they become resolved following 67 * interpreter semantics. May refer to methods defined in other dex files. 68 */ 69 private long resolvedMethods; 70 71 /** 72 * References to types (C array pointer) as they become resolved following 73 * interpreter semantics. May refer to types defined in other dex files. 74 */ 75 private long resolvedTypes; 76 77 /** 78 * References to strings (C array pointer) as they become resolved following 79 * interpreter semantics. All strings are interned. 80 */ 81 private long strings; 82 83 /** 84 * The number of elements in the native call sites array. 85 */ 86 private int numResolvedCallSites; 87 88 /** 89 * The number of elements in the native resolvedFields array. 90 */ 91 private int numResolvedFields; 92 93 /** 94 * The number of elements in the native method types array. 95 */ 96 private int numResolvedMethodTypes; 97 98 /** 99 * The number of elements in the native resolvedMethods array. 100 */ 101 private int numResolvedMethods; 102 103 /** 104 * The number of elements in the native resolvedTypes array. 105 */ 106 private int numResolvedTypes; 107 108 /** 109 * The number of elements in the native strings array. 110 */ 111 private int numStrings; 112 113 // Only created by the VM. DexCache()114 private DexCache() {} 115 } 116 117