1f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* 2f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 3f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 4f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 5f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * you may not use this file except in compliance with the License. 6f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * You may obtain a copy of the License at 7f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 8f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 9f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 10f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 12f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * See the License for the specific language governing permissions and 14f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * limitations under the License. 15f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 16f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 17f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* 18f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Verification-time map of data section items 19f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 20f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 21f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#ifndef _LIBDEX_DEXDATAMAP 22f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#define _LIBDEX_DEXDATAMAP 23f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 24f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#include "DexFile.h" 25f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 26f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projecttypedef struct DexDataMap { 27f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project u4 count; /* number of items currently in the map */ 28f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project u4 max; /* maximum number of items that may be held */ 29f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project u4* offsets; /* array of item offsets */ 30f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project u2* types; /* corresponding array of item types */ 31f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} DexDataMap; 32f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 33f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* 34f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Allocate and initialize a DexDataMap. Returns NULL on failure. 35f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 36f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source ProjectDexDataMap* dexDataMapAlloc(u4 maxCount); 37f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 38f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* 39f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Free a DexDataMap. 40f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 41f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectvoid dexDataMapFree(DexDataMap* map); 42f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 43f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* 44f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Add a new element to the map. The offset must be greater than the 45f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * all previously added offsets. 46f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 47f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectvoid dexDataMapAdd(DexDataMap* map, u4 offset, u2 type); 48f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 49f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* 50f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Get the type associated with the given offset. This returns -1 if 51f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * there is no entry for the given offset. 52f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 53f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectint dexDataMapGet(DexDataMap* map, u4 offset); 54f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 55f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* 56f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Verify that there is an entry in the map, mapping the given offset to 57f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * the given type. This will return true if such an entry exists and 58f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * return false as well as log an error if not. 59f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 60f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectbool dexDataMapVerify(DexDataMap* map, u4 offset, u2 type); 61f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 62f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* 63f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Like dexDataMapVerify(), but also accept a 0 offset as valid. 64f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 65f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source ProjectDEX_INLINE bool dexDataMapVerify0Ok(DexDataMap* map, u4 offset, u2 type) { 66f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (offset == 0) { 67f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return true; 68f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 69f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 70f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return dexDataMapVerify(map, offset, type); 71f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 72f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 73f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#endif /*_LIBDEX_DEXDATAMAP*/ 74