David Sehr | 853a8e1 | 2016-09-01 13:03:50 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | * |
| 16 | * Header file of an in-memory representation of DEX files. |
| 17 | */ |
| 18 | |
| 19 | #include <stdint.h> |
Yi Kong | c57c680 | 2018-10-29 14:28:56 -0700 | [diff] [blame] | 20 | #include <memory> |
David Sehr | 853a8e1 | 2016-09-01 13:03:50 -0700 | [diff] [blame] | 21 | #include <vector> |
| 22 | |
| 23 | #include "dex_ir_builder.h" |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 24 | |
Mathieu Chartier | a34812c | 2018-08-01 17:10:43 -0700 | [diff] [blame] | 25 | #include "dex/class_accessor-inl.h" |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 26 | #include "dex/code_item_accessors-inl.h" |
| 27 | #include "dex/dex_file_exception_helpers.h" |
David Srbecky | 436f6c1 | 2019-05-22 13:28:42 +0100 | [diff] [blame] | 28 | #include "dex/dex_instruction-inl.h" |
Mathieu Chartier | 7517555 | 2018-01-25 11:23:01 -0800 | [diff] [blame] | 29 | #include "dexlayout.h" |
David Sehr | 853a8e1 | 2016-09-01 13:03:50 -0700 | [diff] [blame] | 30 | |
| 31 | namespace art { |
| 32 | namespace dex_ir { |
| 33 | |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 34 | static uint64_t ReadVarWidth(const uint8_t** data, uint8_t length, bool sign_extend) { |
| 35 | uint64_t value = 0; |
| 36 | for (uint32_t i = 0; i <= length; i++) { |
| 37 | value |= static_cast<uint64_t>(*(*data)++) << (i * 8); |
| 38 | } |
| 39 | if (sign_extend) { |
| 40 | int shift = (7 - length) * 8; |
| 41 | return (static_cast<int64_t>(value) << shift) >> shift; |
| 42 | } |
| 43 | return value; |
| 44 | } |
| 45 | |
| 46 | static uint32_t GetDebugInfoStreamSize(const uint8_t* debug_info_stream) { |
| 47 | const uint8_t* stream = debug_info_stream; |
| 48 | DecodeUnsignedLeb128(&stream); // line_start |
| 49 | uint32_t parameters_size = DecodeUnsignedLeb128(&stream); |
| 50 | for (uint32_t i = 0; i < parameters_size; ++i) { |
| 51 | DecodeUnsignedLeb128P1(&stream); // Parameter name. |
| 52 | } |
| 53 | |
| 54 | for (;;) { |
| 55 | uint8_t opcode = *stream++; |
| 56 | switch (opcode) { |
| 57 | case DexFile::DBG_END_SEQUENCE: |
| 58 | return stream - debug_info_stream; // end of stream. |
| 59 | case DexFile::DBG_ADVANCE_PC: |
| 60 | DecodeUnsignedLeb128(&stream); // addr_diff |
| 61 | break; |
| 62 | case DexFile::DBG_ADVANCE_LINE: |
| 63 | DecodeSignedLeb128(&stream); // line_diff |
| 64 | break; |
| 65 | case DexFile::DBG_START_LOCAL: |
| 66 | DecodeUnsignedLeb128(&stream); // register_num |
| 67 | DecodeUnsignedLeb128P1(&stream); // name_idx |
| 68 | DecodeUnsignedLeb128P1(&stream); // type_idx |
| 69 | break; |
| 70 | case DexFile::DBG_START_LOCAL_EXTENDED: |
| 71 | DecodeUnsignedLeb128(&stream); // register_num |
| 72 | DecodeUnsignedLeb128P1(&stream); // name_idx |
| 73 | DecodeUnsignedLeb128P1(&stream); // type_idx |
| 74 | DecodeUnsignedLeb128P1(&stream); // sig_idx |
| 75 | break; |
| 76 | case DexFile::DBG_END_LOCAL: |
| 77 | case DexFile::DBG_RESTART_LOCAL: |
| 78 | DecodeUnsignedLeb128(&stream); // register_num |
| 79 | break; |
| 80 | case DexFile::DBG_SET_PROLOGUE_END: |
| 81 | case DexFile::DBG_SET_EPILOGUE_BEGIN: |
| 82 | break; |
| 83 | case DexFile::DBG_SET_FILE: { |
| 84 | DecodeUnsignedLeb128P1(&stream); // name_idx |
| 85 | break; |
| 86 | } |
| 87 | default: { |
| 88 | break; |
| 89 | } |
| 90 | } |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | template<class T> class CollectionMap : public CollectionBase { |
| 95 | public: |
| 96 | CollectionMap() = default; |
Roland Levillain | f73caca | 2018-08-24 17:19:07 +0100 | [diff] [blame] | 97 | ~CollectionMap() override { } |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 98 | |
| 99 | template <class... Args> |
| 100 | T* CreateAndAddItem(CollectionVector<T>& vector, |
| 101 | bool eagerly_assign_offsets, |
| 102 | uint32_t offset, |
| 103 | Args&&... args) { |
| 104 | T* item = vector.CreateAndAddItem(std::forward<Args>(args)...); |
| 105 | DCHECK(!GetExistingObject(offset)); |
| 106 | DCHECK(!item->OffsetAssigned()); |
| 107 | if (eagerly_assign_offsets) { |
| 108 | item->SetOffset(offset); |
| 109 | } |
| 110 | AddItem(item, offset); |
| 111 | return item; |
| 112 | } |
| 113 | |
| 114 | // Returns the existing item if it is already inserted, null otherwise. |
| 115 | T* GetExistingObject(uint32_t offset) { |
| 116 | auto it = collection_.find(offset); |
| 117 | return it != collection_.end() ? it->second : nullptr; |
| 118 | } |
| 119 | |
Andreas Gampe | 693eee9 | 2018-09-06 19:51:10 -0700 | [diff] [blame] | 120 | uint32_t Size() const override { return size(); } |
| 121 | |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 122 | // Lower case for template interop with std::map. |
| 123 | uint32_t size() const { return collection_.size(); } |
| 124 | std::map<uint32_t, T*>& Collection() { return collection_; } |
| 125 | |
| 126 | private: |
| 127 | std::map<uint32_t, T*> collection_; |
| 128 | |
| 129 | // CollectionMaps do not own the objects they contain, therefore AddItem is supported |
| 130 | // rather than CreateAndAddItem. |
| 131 | void AddItem(T* object, uint32_t offset) { |
| 132 | auto it = collection_.emplace(offset, object); |
| 133 | CHECK(it.second) << "CollectionMap already has an object with offset " << offset << " " |
| 134 | << " and address " << it.first->second; |
| 135 | } |
| 136 | |
| 137 | DISALLOW_COPY_AND_ASSIGN(CollectionMap); |
| 138 | }; |
| 139 | |
| 140 | class BuilderMaps { |
| 141 | public: |
| 142 | BuilderMaps(Header* header, bool eagerly_assign_offsets) |
| 143 | : header_(header), eagerly_assign_offsets_(eagerly_assign_offsets) { } |
| 144 | |
| 145 | void CreateStringId(const DexFile& dex_file, uint32_t i); |
| 146 | void CreateTypeId(const DexFile& dex_file, uint32_t i); |
| 147 | void CreateProtoId(const DexFile& dex_file, uint32_t i); |
| 148 | void CreateFieldId(const DexFile& dex_file, uint32_t i); |
| 149 | void CreateMethodId(const DexFile& dex_file, uint32_t i); |
| 150 | void CreateClassDef(const DexFile& dex_file, uint32_t i); |
| 151 | void CreateCallSiteId(const DexFile& dex_file, uint32_t i); |
| 152 | void CreateMethodHandleItem(const DexFile& dex_file, uint32_t i); |
| 153 | |
| 154 | void CreateCallSitesAndMethodHandles(const DexFile& dex_file); |
| 155 | |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 156 | TypeList* CreateTypeList(const dex::TypeList* type_list, uint32_t offset); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 157 | EncodedArrayItem* CreateEncodedArrayItem(const DexFile& dex_file, |
| 158 | const uint8_t* static_data, |
| 159 | uint32_t offset); |
| 160 | AnnotationItem* CreateAnnotationItem(const DexFile& dex_file, |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 161 | const dex::AnnotationItem* annotation); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 162 | AnnotationSetItem* CreateAnnotationSetItem(const DexFile& dex_file, |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 163 | const dex::AnnotationSetItem* disk_annotations_item, uint32_t offset); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 164 | AnnotationsDirectoryItem* CreateAnnotationsDirectoryItem(const DexFile& dex_file, |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 165 | const dex::AnnotationsDirectoryItem* disk_annotations_item, uint32_t offset); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 166 | CodeItem* DedupeOrCreateCodeItem(const DexFile& dex_file, |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 167 | const dex::CodeItem* disk_code_item, |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 168 | uint32_t offset, |
| 169 | uint32_t dex_method_index); |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 170 | ClassData* CreateClassData(const DexFile& dex_file, const dex::ClassDef& class_def); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 171 | |
| 172 | void AddAnnotationsFromMapListSection(const DexFile& dex_file, |
| 173 | uint32_t start_offset, |
| 174 | uint32_t count); |
David Brazdil | 20c765f | 2018-10-27 21:45:15 +0000 | [diff] [blame] | 175 | void AddHiddenapiClassDataFromMapListSection(const DexFile& dex_file, uint32_t offset); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 176 | |
| 177 | void CheckAndSetRemainingOffsets(const DexFile& dex_file, const Options& options); |
| 178 | |
| 179 | // Sort the vectors buy map order (same order that was used in the input file). |
| 180 | void SortVectorsByMapOrder(); |
| 181 | |
| 182 | private: |
| 183 | bool GetIdsFromByteCode(const CodeItem* code, |
| 184 | std::vector<TypeId*>* type_ids, |
| 185 | std::vector<StringId*>* string_ids, |
| 186 | std::vector<MethodId*>* method_ids, |
| 187 | std::vector<FieldId*>* field_ids); |
| 188 | |
| 189 | bool GetIdFromInstruction(const Instruction* dec_insn, |
| 190 | std::vector<TypeId*>* type_ids, |
| 191 | std::vector<StringId*>* string_ids, |
| 192 | std::vector<MethodId*>* method_ids, |
| 193 | std::vector<FieldId*>* field_ids); |
| 194 | |
| 195 | EncodedValue* ReadEncodedValue(const DexFile& dex_file, const uint8_t** data); |
| 196 | EncodedValue* ReadEncodedValue(const DexFile& dex_file, |
| 197 | const uint8_t** data, |
| 198 | uint8_t type, |
| 199 | uint8_t length); |
| 200 | void ReadEncodedValue(const DexFile& dex_file, |
| 201 | const uint8_t** data, |
| 202 | uint8_t type, |
| 203 | uint8_t length, |
| 204 | EncodedValue* item); |
| 205 | |
Mathieu Chartier | a34812c | 2018-08-01 17:10:43 -0700 | [diff] [blame] | 206 | MethodItem GenerateMethodItem(const DexFile& dex_file, const ClassAccessor::Method& method); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 207 | |
| 208 | ParameterAnnotation* GenerateParameterAnnotation( |
| 209 | const DexFile& dex_file, |
| 210 | MethodId* method_id, |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 211 | const dex::AnnotationSetRefList* annotation_set_ref_list, |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 212 | uint32_t offset); |
| 213 | |
| 214 | template <typename Type, class... Args> |
| 215 | Type* CreateAndAddIndexedItem(IndexedCollectionVector<Type>& vector, |
| 216 | uint32_t offset, |
| 217 | uint32_t index, |
| 218 | Args&&... args) { |
| 219 | Type* item = vector.CreateAndAddIndexedItem(index, std::forward<Args>(args)...); |
| 220 | DCHECK(!item->OffsetAssigned()); |
| 221 | if (eagerly_assign_offsets_) { |
| 222 | item->SetOffset(offset); |
| 223 | } |
| 224 | return item; |
| 225 | } |
| 226 | |
| 227 | Header* header_; |
| 228 | // If we eagerly assign offsets during IR building or later after layout. Must be false if |
| 229 | // changing the layout is enabled. |
| 230 | bool eagerly_assign_offsets_; |
| 231 | |
| 232 | // Note: maps do not have ownership. |
| 233 | CollectionMap<StringData> string_datas_map_; |
| 234 | CollectionMap<TypeList> type_lists_map_; |
| 235 | CollectionMap<EncodedArrayItem> encoded_array_items_map_; |
| 236 | CollectionMap<AnnotationItem> annotation_items_map_; |
| 237 | CollectionMap<AnnotationSetItem> annotation_set_items_map_; |
| 238 | CollectionMap<AnnotationSetRefList> annotation_set_ref_lists_map_; |
| 239 | CollectionMap<AnnotationsDirectoryItem> annotations_directory_items_map_; |
| 240 | CollectionMap<DebugInfoItem> debug_info_items_map_; |
| 241 | // Code item maps need to check both the debug info offset and debug info offset, do not use |
| 242 | // CollectionMap. |
| 243 | // First offset is the code item offset, second is the debug info offset. |
| 244 | std::map<std::pair<uint32_t, uint32_t>, CodeItem*> code_items_map_; |
| 245 | CollectionMap<ClassData> class_datas_map_; |
| 246 | |
| 247 | DISALLOW_COPY_AND_ASSIGN(BuilderMaps); |
| 248 | }; |
David Sehr | cdcfde7 | 2016-09-26 07:44:04 -0700 | [diff] [blame] | 249 | |
Mathieu Chartier | 7517555 | 2018-01-25 11:23:01 -0800 | [diff] [blame] | 250 | Header* DexIrBuilder(const DexFile& dex_file, |
| 251 | bool eagerly_assign_offsets, |
| 252 | const Options& options) { |
David Sehr | 853a8e1 | 2016-09-01 13:03:50 -0700 | [diff] [blame] | 253 | const DexFile::Header& disk_header = dex_file.GetHeader(); |
| 254 | Header* header = new Header(disk_header.magic_, |
| 255 | disk_header.checksum_, |
| 256 | disk_header.signature_, |
| 257 | disk_header.endian_tag_, |
| 258 | disk_header.file_size_, |
| 259 | disk_header.header_size_, |
| 260 | disk_header.link_size_, |
| 261 | disk_header.link_off_, |
| 262 | disk_header.data_size_, |
Mathieu Chartier | f6e3147 | 2017-12-28 13:32:08 -0800 | [diff] [blame] | 263 | disk_header.data_off_, |
David Sehr | d83437c | 2018-06-11 14:06:23 -0700 | [diff] [blame] | 264 | dex_file.SupportsDefaultMethods(), |
| 265 | dex_file.NumStringIds(), |
| 266 | dex_file.NumTypeIds(), |
| 267 | dex_file.NumProtoIds(), |
| 268 | dex_file.NumFieldIds(), |
| 269 | dex_file.NumMethodIds(), |
| 270 | dex_file.NumClassDefs()); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 271 | BuilderMaps builder_maps(header, eagerly_assign_offsets); |
David Sehr | 853a8e1 | 2016-09-01 13:03:50 -0700 | [diff] [blame] | 272 | // Walk the rest of the header fields. |
| 273 | // StringId table. |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 274 | header->StringIds().SetOffset(disk_header.string_ids_off_); |
David Sehr | 853a8e1 | 2016-09-01 13:03:50 -0700 | [diff] [blame] | 275 | for (uint32_t i = 0; i < dex_file.NumStringIds(); ++i) { |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 276 | builder_maps.CreateStringId(dex_file, i); |
David Sehr | 853a8e1 | 2016-09-01 13:03:50 -0700 | [diff] [blame] | 277 | } |
| 278 | // TypeId table. |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 279 | header->TypeIds().SetOffset(disk_header.type_ids_off_); |
David Sehr | 853a8e1 | 2016-09-01 13:03:50 -0700 | [diff] [blame] | 280 | for (uint32_t i = 0; i < dex_file.NumTypeIds(); ++i) { |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 281 | builder_maps.CreateTypeId(dex_file, i); |
David Sehr | 853a8e1 | 2016-09-01 13:03:50 -0700 | [diff] [blame] | 282 | } |
| 283 | // ProtoId table. |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 284 | header->ProtoIds().SetOffset(disk_header.proto_ids_off_); |
David Sehr | 853a8e1 | 2016-09-01 13:03:50 -0700 | [diff] [blame] | 285 | for (uint32_t i = 0; i < dex_file.NumProtoIds(); ++i) { |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 286 | builder_maps.CreateProtoId(dex_file, i); |
David Sehr | 853a8e1 | 2016-09-01 13:03:50 -0700 | [diff] [blame] | 287 | } |
| 288 | // FieldId table. |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 289 | header->FieldIds().SetOffset(disk_header.field_ids_off_); |
David Sehr | 853a8e1 | 2016-09-01 13:03:50 -0700 | [diff] [blame] | 290 | for (uint32_t i = 0; i < dex_file.NumFieldIds(); ++i) { |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 291 | builder_maps.CreateFieldId(dex_file, i); |
David Sehr | 853a8e1 | 2016-09-01 13:03:50 -0700 | [diff] [blame] | 292 | } |
| 293 | // MethodId table. |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 294 | header->MethodIds().SetOffset(disk_header.method_ids_off_); |
David Sehr | 853a8e1 | 2016-09-01 13:03:50 -0700 | [diff] [blame] | 295 | for (uint32_t i = 0; i < dex_file.NumMethodIds(); ++i) { |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 296 | builder_maps.CreateMethodId(dex_file, i); |
David Sehr | 853a8e1 | 2016-09-01 13:03:50 -0700 | [diff] [blame] | 297 | } |
| 298 | // ClassDef table. |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 299 | header->ClassDefs().SetOffset(disk_header.class_defs_off_); |
David Sehr | 853a8e1 | 2016-09-01 13:03:50 -0700 | [diff] [blame] | 300 | for (uint32_t i = 0; i < dex_file.NumClassDefs(); ++i) { |
Mathieu Chartier | 7517555 | 2018-01-25 11:23:01 -0800 | [diff] [blame] | 301 | if (!options.class_filter_.empty()) { |
| 302 | // If the filter is enabled (not empty), filter out classes that don't have a matching |
| 303 | // descriptor. |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 304 | const dex::ClassDef& class_def = dex_file.GetClassDef(i); |
Mathieu Chartier | 7517555 | 2018-01-25 11:23:01 -0800 | [diff] [blame] | 305 | const char* descriptor = dex_file.GetClassDescriptor(class_def); |
| 306 | if (options.class_filter_.find(descriptor) == options.class_filter_.end()) { |
| 307 | continue; |
| 308 | } |
| 309 | } |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 310 | builder_maps.CreateClassDef(dex_file, i); |
David Sehr | 853a8e1 | 2016-09-01 13:03:50 -0700 | [diff] [blame] | 311 | } |
Jeff Hao | a862100 | 2016-10-04 18:13:44 +0000 | [diff] [blame] | 312 | // MapItem. |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 313 | header->SetMapListOffset(disk_header.map_off_); |
Jeff Hao | 5daee90 | 2017-04-27 18:00:38 -0700 | [diff] [blame] | 314 | // CallSiteIds and MethodHandleItems. |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 315 | builder_maps.CreateCallSitesAndMethodHandles(dex_file); |
| 316 | builder_maps.CheckAndSetRemainingOffsets(dex_file, options); |
David Sehr | cdcfde7 | 2016-09-26 07:44:04 -0700 | [diff] [blame] | 317 | |
Mathieu Chartier | 3e0c517 | 2017-11-12 12:58:40 -0800 | [diff] [blame] | 318 | // Sort the vectors by the map order (same order as the file). |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 319 | builder_maps.SortVectorsByMapOrder(); |
Mathieu Chartier | 3e0c517 | 2017-11-12 12:58:40 -0800 | [diff] [blame] | 320 | |
Mathieu Chartier | 2f36d2f | 2017-11-20 15:45:25 -0800 | [diff] [blame] | 321 | // Load the link data if it exists. |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 322 | header->SetLinkData(std::vector<uint8_t>( |
Mathieu Chartier | c3a22aa | 2018-01-19 18:58:34 -0800 | [diff] [blame] | 323 | dex_file.DataBegin() + dex_file.GetHeader().link_off_, |
| 324 | dex_file.DataBegin() + dex_file.GetHeader().link_off_ + dex_file.GetHeader().link_size_)); |
Mathieu Chartier | 2f36d2f | 2017-11-20 15:45:25 -0800 | [diff] [blame] | 325 | |
David Sehr | 853a8e1 | 2016-09-01 13:03:50 -0700 | [diff] [blame] | 326 | return header; |
| 327 | } |
| 328 | |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 329 | /* |
| 330 | * Get all the types, strings, methods, and fields referred to from bytecode. |
| 331 | */ |
| 332 | void BuilderMaps::CheckAndSetRemainingOffsets(const DexFile& dex_file, const Options& options) { |
David Sehr | cdcfde7 | 2016-09-26 07:44:04 -0700 | [diff] [blame] | 333 | const DexFile::Header& disk_header = dex_file.GetHeader(); |
| 334 | // Read MapItems and validate/set remaining offsets. |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 335 | const dex::MapList* map = dex_file.GetMapList(); |
David Sehr | cdcfde7 | 2016-09-26 07:44:04 -0700 | [diff] [blame] | 336 | const uint32_t count = map->size_; |
| 337 | for (uint32_t i = 0; i < count; ++i) { |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 338 | const dex::MapItem* item = map->list_ + i; |
David Sehr | cdcfde7 | 2016-09-26 07:44:04 -0700 | [diff] [blame] | 339 | switch (item->type_) { |
| 340 | case DexFile::kDexTypeHeaderItem: |
| 341 | CHECK_EQ(item->size_, 1u); |
| 342 | CHECK_EQ(item->offset_, 0u); |
| 343 | break; |
| 344 | case DexFile::kDexTypeStringIdItem: |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 345 | CHECK_EQ(item->size_, header_->StringIds().Size()); |
| 346 | CHECK_EQ(item->offset_, header_->StringIds().GetOffset()); |
David Sehr | cdcfde7 | 2016-09-26 07:44:04 -0700 | [diff] [blame] | 347 | break; |
| 348 | case DexFile::kDexTypeTypeIdItem: |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 349 | CHECK_EQ(item->size_, header_->TypeIds().Size()); |
| 350 | CHECK_EQ(item->offset_, header_->TypeIds().GetOffset()); |
David Sehr | cdcfde7 | 2016-09-26 07:44:04 -0700 | [diff] [blame] | 351 | break; |
| 352 | case DexFile::kDexTypeProtoIdItem: |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 353 | CHECK_EQ(item->size_, header_->ProtoIds().Size()); |
| 354 | CHECK_EQ(item->offset_, header_->ProtoIds().GetOffset()); |
David Sehr | cdcfde7 | 2016-09-26 07:44:04 -0700 | [diff] [blame] | 355 | break; |
| 356 | case DexFile::kDexTypeFieldIdItem: |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 357 | CHECK_EQ(item->size_, header_->FieldIds().Size()); |
| 358 | CHECK_EQ(item->offset_, header_->FieldIds().GetOffset()); |
David Sehr | cdcfde7 | 2016-09-26 07:44:04 -0700 | [diff] [blame] | 359 | break; |
| 360 | case DexFile::kDexTypeMethodIdItem: |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 361 | CHECK_EQ(item->size_, header_->MethodIds().Size()); |
| 362 | CHECK_EQ(item->offset_, header_->MethodIds().GetOffset()); |
David Sehr | cdcfde7 | 2016-09-26 07:44:04 -0700 | [diff] [blame] | 363 | break; |
| 364 | case DexFile::kDexTypeClassDefItem: |
Mathieu Chartier | 7517555 | 2018-01-25 11:23:01 -0800 | [diff] [blame] | 365 | if (options.class_filter_.empty()) { |
| 366 | // The filter may have removed some classes, this will get fixed up during writing. |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 367 | CHECK_EQ(item->size_, header_->ClassDefs().Size()); |
Mathieu Chartier | 7517555 | 2018-01-25 11:23:01 -0800 | [diff] [blame] | 368 | } |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 369 | CHECK_EQ(item->offset_, header_->ClassDefs().GetOffset()); |
David Sehr | cdcfde7 | 2016-09-26 07:44:04 -0700 | [diff] [blame] | 370 | break; |
Jeff Hao | 5daee90 | 2017-04-27 18:00:38 -0700 | [diff] [blame] | 371 | case DexFile::kDexTypeCallSiteIdItem: |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 372 | CHECK_EQ(item->size_, header_->CallSiteIds().Size()); |
| 373 | CHECK_EQ(item->offset_, header_->CallSiteIds().GetOffset()); |
Jeff Hao | 5daee90 | 2017-04-27 18:00:38 -0700 | [diff] [blame] | 374 | break; |
| 375 | case DexFile::kDexTypeMethodHandleItem: |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 376 | CHECK_EQ(item->size_, header_->MethodHandleItems().Size()); |
| 377 | CHECK_EQ(item->offset_, header_->MethodHandleItems().GetOffset()); |
Jeff Hao | 5daee90 | 2017-04-27 18:00:38 -0700 | [diff] [blame] | 378 | break; |
David Sehr | cdcfde7 | 2016-09-26 07:44:04 -0700 | [diff] [blame] | 379 | case DexFile::kDexTypeMapList: |
| 380 | CHECK_EQ(item->size_, 1u); |
| 381 | CHECK_EQ(item->offset_, disk_header.map_off_); |
| 382 | break; |
| 383 | case DexFile::kDexTypeTypeList: |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 384 | header_->TypeLists().SetOffset(item->offset_); |
David Sehr | cdcfde7 | 2016-09-26 07:44:04 -0700 | [diff] [blame] | 385 | break; |
| 386 | case DexFile::kDexTypeAnnotationSetRefList: |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 387 | header_->AnnotationSetRefLists().SetOffset(item->offset_); |
David Sehr | cdcfde7 | 2016-09-26 07:44:04 -0700 | [diff] [blame] | 388 | break; |
| 389 | case DexFile::kDexTypeAnnotationSetItem: |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 390 | header_->AnnotationSetItems().SetOffset(item->offset_); |
David Sehr | cdcfde7 | 2016-09-26 07:44:04 -0700 | [diff] [blame] | 391 | break; |
| 392 | case DexFile::kDexTypeClassDataItem: |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 393 | header_->ClassDatas().SetOffset(item->offset_); |
David Sehr | cdcfde7 | 2016-09-26 07:44:04 -0700 | [diff] [blame] | 394 | break; |
| 395 | case DexFile::kDexTypeCodeItem: |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 396 | header_->CodeItems().SetOffset(item->offset_); |
David Sehr | cdcfde7 | 2016-09-26 07:44:04 -0700 | [diff] [blame] | 397 | break; |
| 398 | case DexFile::kDexTypeStringDataItem: |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 399 | header_->StringDatas().SetOffset(item->offset_); |
David Sehr | cdcfde7 | 2016-09-26 07:44:04 -0700 | [diff] [blame] | 400 | break; |
| 401 | case DexFile::kDexTypeDebugInfoItem: |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 402 | header_->DebugInfoItems().SetOffset(item->offset_); |
David Sehr | cdcfde7 | 2016-09-26 07:44:04 -0700 | [diff] [blame] | 403 | break; |
| 404 | case DexFile::kDexTypeAnnotationItem: |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 405 | header_->AnnotationItems().SetOffset(item->offset_); |
| 406 | AddAnnotationsFromMapListSection(dex_file, item->offset_, item->size_); |
David Sehr | cdcfde7 | 2016-09-26 07:44:04 -0700 | [diff] [blame] | 407 | break; |
| 408 | case DexFile::kDexTypeEncodedArrayItem: |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 409 | header_->EncodedArrayItems().SetOffset(item->offset_); |
David Sehr | cdcfde7 | 2016-09-26 07:44:04 -0700 | [diff] [blame] | 410 | break; |
| 411 | case DexFile::kDexTypeAnnotationsDirectoryItem: |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 412 | header_->AnnotationsDirectoryItems().SetOffset(item->offset_); |
David Sehr | cdcfde7 | 2016-09-26 07:44:04 -0700 | [diff] [blame] | 413 | break; |
David Brazdil | 20c765f | 2018-10-27 21:45:15 +0000 | [diff] [blame] | 414 | case DexFile::kDexTypeHiddenapiClassData: |
| 415 | header_->HiddenapiClassDatas().SetOffset(item->offset_); |
| 416 | AddHiddenapiClassDataFromMapListSection(dex_file, item->offset_); |
| 417 | break; |
David Sehr | cdcfde7 | 2016-09-26 07:44:04 -0700 | [diff] [blame] | 418 | default: |
| 419 | LOG(ERROR) << "Unknown map list item type."; |
| 420 | } |
| 421 | } |
| 422 | } |
| 423 | |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 424 | void BuilderMaps::CreateStringId(const DexFile& dex_file, uint32_t i) { |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 425 | const dex::StringId& disk_string_id = dex_file.GetStringId(dex::StringIndex(i)); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 426 | StringData* string_data = |
| 427 | string_datas_map_.CreateAndAddItem(header_->StringDatas(), |
| 428 | eagerly_assign_offsets_, |
| 429 | disk_string_id.string_data_off_, |
| 430 | dex_file.GetStringData(disk_string_id)); |
| 431 | CreateAndAddIndexedItem(header_->StringIds(), |
| 432 | header_->StringIds().GetOffset() + i * StringId::ItemSize(), |
| 433 | i, |
| 434 | string_data); |
| 435 | } |
| 436 | |
| 437 | void BuilderMaps::CreateTypeId(const DexFile& dex_file, uint32_t i) { |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 438 | const dex::TypeId& disk_type_id = dex_file.GetTypeId(dex::TypeIndex(i)); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 439 | CreateAndAddIndexedItem(header_->TypeIds(), |
| 440 | header_->TypeIds().GetOffset() + i * TypeId::ItemSize(), |
| 441 | i, |
| 442 | header_->StringIds()[disk_type_id.descriptor_idx_.index_]); |
| 443 | } |
| 444 | |
| 445 | void BuilderMaps::CreateProtoId(const DexFile& dex_file, uint32_t i) { |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 446 | const dex::ProtoId& disk_proto_id = dex_file.GetProtoId(dex::ProtoIndex(i)); |
| 447 | const dex::TypeList* type_list = dex_file.GetProtoParameters(disk_proto_id); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 448 | TypeList* parameter_type_list = CreateTypeList(type_list, disk_proto_id.parameters_off_); |
| 449 | |
| 450 | CreateAndAddIndexedItem(header_->ProtoIds(), |
| 451 | header_->ProtoIds().GetOffset() + i * ProtoId::ItemSize(), |
| 452 | i, |
| 453 | header_->StringIds()[disk_proto_id.shorty_idx_.index_], |
| 454 | header_->TypeIds()[disk_proto_id.return_type_idx_.index_], |
| 455 | parameter_type_list); |
| 456 | } |
| 457 | |
| 458 | void BuilderMaps::CreateFieldId(const DexFile& dex_file, uint32_t i) { |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 459 | const dex::FieldId& disk_field_id = dex_file.GetFieldId(i); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 460 | CreateAndAddIndexedItem(header_->FieldIds(), |
| 461 | header_->FieldIds().GetOffset() + i * FieldId::ItemSize(), |
| 462 | i, |
| 463 | header_->TypeIds()[disk_field_id.class_idx_.index_], |
| 464 | header_->TypeIds()[disk_field_id.type_idx_.index_], |
| 465 | header_->StringIds()[disk_field_id.name_idx_.index_]); |
| 466 | } |
| 467 | |
| 468 | void BuilderMaps::CreateMethodId(const DexFile& dex_file, uint32_t i) { |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 469 | const dex::MethodId& disk_method_id = dex_file.GetMethodId(i); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 470 | CreateAndAddIndexedItem(header_->MethodIds(), |
| 471 | header_->MethodIds().GetOffset() + i * MethodId::ItemSize(), |
| 472 | i, |
| 473 | header_->TypeIds()[disk_method_id.class_idx_.index_], |
| 474 | header_->ProtoIds()[disk_method_id.proto_idx_.index_], |
| 475 | header_->StringIds()[disk_method_id.name_idx_.index_]); |
| 476 | } |
| 477 | |
| 478 | void BuilderMaps::CreateClassDef(const DexFile& dex_file, uint32_t i) { |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 479 | const dex::ClassDef& disk_class_def = dex_file.GetClassDef(i); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 480 | const TypeId* class_type = header_->TypeIds()[disk_class_def.class_idx_.index_]; |
| 481 | uint32_t access_flags = disk_class_def.access_flags_; |
| 482 | const TypeId* superclass = header_->GetTypeIdOrNullPtr(disk_class_def.superclass_idx_.index_); |
| 483 | |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 484 | const dex::TypeList* type_list = dex_file.GetInterfacesList(disk_class_def); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 485 | TypeList* interfaces_type_list = CreateTypeList(type_list, disk_class_def.interfaces_off_); |
| 486 | |
| 487 | const StringId* source_file = |
| 488 | header_->GetStringIdOrNullPtr(disk_class_def.source_file_idx_.index_); |
| 489 | // Annotations. |
| 490 | AnnotationsDirectoryItem* annotations = nullptr; |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 491 | const dex::AnnotationsDirectoryItem* disk_annotations_directory_item = |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 492 | dex_file.GetAnnotationsDirectory(disk_class_def); |
| 493 | if (disk_annotations_directory_item != nullptr) { |
| 494 | annotations = CreateAnnotationsDirectoryItem( |
| 495 | dex_file, disk_annotations_directory_item, disk_class_def.annotations_off_); |
| 496 | } |
| 497 | // Static field initializers. |
| 498 | const uint8_t* static_data = dex_file.GetEncodedStaticFieldValuesArray(disk_class_def); |
| 499 | EncodedArrayItem* static_values = |
| 500 | CreateEncodedArrayItem(dex_file, static_data, disk_class_def.static_values_off_); |
Mathieu Chartier | a34812c | 2018-08-01 17:10:43 -0700 | [diff] [blame] | 501 | ClassData* class_data = CreateClassData(dex_file, disk_class_def); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 502 | CreateAndAddIndexedItem(header_->ClassDefs(), |
| 503 | header_->ClassDefs().GetOffset() + i * ClassDef::ItemSize(), |
| 504 | i, |
| 505 | class_type, |
| 506 | access_flags, |
| 507 | superclass, |
| 508 | interfaces_type_list, |
| 509 | source_file, |
| 510 | annotations, |
| 511 | static_values, |
| 512 | class_data); |
| 513 | } |
| 514 | |
| 515 | void BuilderMaps::CreateCallSiteId(const DexFile& dex_file, uint32_t i) { |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 516 | const dex::CallSiteIdItem& disk_call_site_id = dex_file.GetCallSiteId(i); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 517 | const uint8_t* disk_call_item_ptr = dex_file.DataBegin() + disk_call_site_id.data_off_; |
| 518 | EncodedArrayItem* call_site_item = |
| 519 | CreateEncodedArrayItem(dex_file, disk_call_item_ptr, disk_call_site_id.data_off_); |
| 520 | |
| 521 | CreateAndAddIndexedItem(header_->CallSiteIds(), |
| 522 | header_->CallSiteIds().GetOffset() + i * CallSiteId::ItemSize(), |
| 523 | i, |
| 524 | call_site_item); |
| 525 | } |
| 526 | |
| 527 | void BuilderMaps::CreateMethodHandleItem(const DexFile& dex_file, uint32_t i) { |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 528 | const dex::MethodHandleItem& disk_method_handle = dex_file.GetMethodHandle(i); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 529 | uint16_t index = disk_method_handle.field_or_method_idx_; |
| 530 | DexFile::MethodHandleType type = |
| 531 | static_cast<DexFile::MethodHandleType>(disk_method_handle.method_handle_type_); |
| 532 | bool is_invoke = type == DexFile::MethodHandleType::kInvokeStatic || |
| 533 | type == DexFile::MethodHandleType::kInvokeInstance || |
| 534 | type == DexFile::MethodHandleType::kInvokeConstructor || |
| 535 | type == DexFile::MethodHandleType::kInvokeDirect || |
| 536 | type == DexFile::MethodHandleType::kInvokeInterface; |
| 537 | static_assert(DexFile::MethodHandleType::kLast == DexFile::MethodHandleType::kInvokeInterface, |
| 538 | "Unexpected method handle types."); |
| 539 | IndexedItem* field_or_method_id; |
| 540 | if (is_invoke) { |
| 541 | field_or_method_id = header_->MethodIds()[index]; |
| 542 | } else { |
| 543 | field_or_method_id = header_->FieldIds()[index]; |
| 544 | } |
| 545 | CreateAndAddIndexedItem(header_->MethodHandleItems(), |
| 546 | header_->MethodHandleItems().GetOffset() + |
| 547 | i * MethodHandleItem::ItemSize(), |
| 548 | i, |
| 549 | type, |
| 550 | field_or_method_id); |
| 551 | } |
| 552 | |
| 553 | void BuilderMaps::CreateCallSitesAndMethodHandles(const DexFile& dex_file) { |
| 554 | // Iterate through the map list and set the offset of the CallSiteIds and MethodHandleItems. |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 555 | const dex::MapList* map = dex_file.GetMapList(); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 556 | for (uint32_t i = 0; i < map->size_; ++i) { |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 557 | const dex::MapItem* item = map->list_ + i; |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 558 | switch (item->type_) { |
| 559 | case DexFile::kDexTypeCallSiteIdItem: |
| 560 | header_->CallSiteIds().SetOffset(item->offset_); |
| 561 | break; |
| 562 | case DexFile::kDexTypeMethodHandleItem: |
| 563 | header_->MethodHandleItems().SetOffset(item->offset_); |
| 564 | break; |
| 565 | default: |
| 566 | break; |
| 567 | } |
| 568 | } |
| 569 | // Populate MethodHandleItems first (CallSiteIds may depend on them). |
| 570 | for (uint32_t i = 0; i < dex_file.NumMethodHandles(); i++) { |
| 571 | CreateMethodHandleItem(dex_file, i); |
| 572 | } |
| 573 | // Populate CallSiteIds. |
| 574 | for (uint32_t i = 0; i < dex_file.NumCallSiteIds(); i++) { |
| 575 | CreateCallSiteId(dex_file, i); |
| 576 | } |
| 577 | } |
| 578 | |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 579 | TypeList* BuilderMaps::CreateTypeList(const dex::TypeList* dex_type_list, uint32_t offset) { |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 580 | if (dex_type_list == nullptr) { |
| 581 | return nullptr; |
| 582 | } |
| 583 | TypeList* type_list = type_lists_map_.GetExistingObject(offset); |
| 584 | if (type_list == nullptr) { |
| 585 | TypeIdVector* type_vector = new TypeIdVector(); |
| 586 | uint32_t size = dex_type_list->Size(); |
| 587 | for (uint32_t index = 0; index < size; ++index) { |
| 588 | type_vector->push_back(header_->TypeIds()[ |
| 589 | dex_type_list->GetTypeItem(index).type_idx_.index_]); |
| 590 | } |
| 591 | type_list = type_lists_map_.CreateAndAddItem(header_->TypeLists(), |
| 592 | eagerly_assign_offsets_, |
| 593 | offset, |
| 594 | type_vector); |
| 595 | } |
| 596 | return type_list; |
| 597 | } |
| 598 | |
| 599 | EncodedArrayItem* BuilderMaps::CreateEncodedArrayItem(const DexFile& dex_file, |
| 600 | const uint8_t* static_data, |
| 601 | uint32_t offset) { |
| 602 | if (static_data == nullptr) { |
| 603 | return nullptr; |
| 604 | } |
| 605 | EncodedArrayItem* encoded_array_item = encoded_array_items_map_.GetExistingObject(offset); |
| 606 | if (encoded_array_item == nullptr) { |
| 607 | uint32_t size = DecodeUnsignedLeb128(&static_data); |
| 608 | EncodedValueVector* values = new EncodedValueVector(); |
| 609 | for (uint32_t i = 0; i < size; ++i) { |
| 610 | values->push_back(std::unique_ptr<EncodedValue>(ReadEncodedValue(dex_file, &static_data))); |
| 611 | } |
| 612 | // TODO: Calculate the size of the encoded array. |
| 613 | encoded_array_item = encoded_array_items_map_.CreateAndAddItem(header_->EncodedArrayItems(), |
| 614 | eagerly_assign_offsets_, |
| 615 | offset, |
| 616 | values); |
| 617 | } |
| 618 | return encoded_array_item; |
| 619 | } |
| 620 | |
| 621 | void BuilderMaps::AddAnnotationsFromMapListSection(const DexFile& dex_file, |
| 622 | uint32_t start_offset, |
| 623 | uint32_t count) { |
| 624 | uint32_t current_offset = start_offset; |
| 625 | for (size_t i = 0; i < count; ++i) { |
| 626 | // Annotation that we didn't process already, add it to the set. |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 627 | const dex::AnnotationItem* annotation = dex_file.GetAnnotationItemAtOffset(current_offset); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 628 | AnnotationItem* annotation_item = CreateAnnotationItem(dex_file, annotation); |
| 629 | DCHECK(annotation_item != nullptr); |
| 630 | current_offset += annotation_item->GetSize(); |
| 631 | } |
| 632 | } |
| 633 | |
David Brazdil | 20c765f | 2018-10-27 21:45:15 +0000 | [diff] [blame] | 634 | void BuilderMaps::AddHiddenapiClassDataFromMapListSection(const DexFile& dex_file, |
| 635 | uint32_t offset) { |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 636 | const dex::HiddenapiClassData* hiddenapi_class_data = |
David Brazdil | 20c765f | 2018-10-27 21:45:15 +0000 | [diff] [blame] | 637 | dex_file.GetHiddenapiClassDataAtOffset(offset); |
| 638 | DCHECK(hiddenapi_class_data == dex_file.GetHiddenapiClassData()); |
| 639 | |
| 640 | for (auto& class_def : header_->ClassDefs()) { |
| 641 | uint32_t index = class_def->GetIndex(); |
| 642 | ClassData* class_data = class_def->GetClassData(); |
| 643 | const uint8_t* ptr = hiddenapi_class_data->GetFlagsPointer(index); |
| 644 | |
| 645 | std::unique_ptr<HiddenapiFlagsMap> flags = nullptr; |
| 646 | if (ptr != nullptr) { |
| 647 | DCHECK(class_data != nullptr); |
| 648 | flags = std::make_unique<HiddenapiFlagsMap>(); |
| 649 | for (const dex_ir::FieldItem& field : *class_data->StaticFields()) { |
| 650 | flags->emplace(&field, DecodeUnsignedLeb128(&ptr)); |
| 651 | } |
| 652 | for (const dex_ir::FieldItem& field : *class_data->InstanceFields()) { |
| 653 | flags->emplace(&field, DecodeUnsignedLeb128(&ptr)); |
| 654 | } |
| 655 | for (const dex_ir::MethodItem& method : *class_data->DirectMethods()) { |
| 656 | flags->emplace(&method, DecodeUnsignedLeb128(&ptr)); |
| 657 | } |
| 658 | for (const dex_ir::MethodItem& method : *class_data->VirtualMethods()) { |
| 659 | flags->emplace(&method, DecodeUnsignedLeb128(&ptr)); |
| 660 | } |
| 661 | } |
| 662 | |
| 663 | CreateAndAddIndexedItem(header_->HiddenapiClassDatas(), |
| 664 | header_->HiddenapiClassDatas().GetOffset() + |
| 665 | hiddenapi_class_data->flags_offset_[index], |
| 666 | index, |
| 667 | class_def.get(), |
| 668 | std::move(flags)); |
| 669 | } |
| 670 | } |
| 671 | |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 672 | AnnotationItem* BuilderMaps::CreateAnnotationItem(const DexFile& dex_file, |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 673 | const dex::AnnotationItem* annotation) { |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 674 | const uint8_t* const start_data = reinterpret_cast<const uint8_t*>(annotation); |
| 675 | const uint32_t offset = start_data - dex_file.DataBegin(); |
| 676 | AnnotationItem* annotation_item = annotation_items_map_.GetExistingObject(offset); |
| 677 | if (annotation_item == nullptr) { |
| 678 | uint8_t visibility = annotation->visibility_; |
| 679 | const uint8_t* annotation_data = annotation->annotation_; |
| 680 | std::unique_ptr<EncodedValue> encoded_value( |
| 681 | ReadEncodedValue(dex_file, &annotation_data, DexFile::kDexAnnotationAnnotation, 0)); |
| 682 | annotation_item = |
| 683 | annotation_items_map_.CreateAndAddItem(header_->AnnotationItems(), |
| 684 | eagerly_assign_offsets_, |
| 685 | offset, |
| 686 | visibility, |
| 687 | encoded_value->ReleaseEncodedAnnotation()); |
| 688 | annotation_item->SetSize(annotation_data - start_data); |
| 689 | } |
| 690 | return annotation_item; |
| 691 | } |
| 692 | |
| 693 | |
| 694 | AnnotationSetItem* BuilderMaps::CreateAnnotationSetItem(const DexFile& dex_file, |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 695 | const dex::AnnotationSetItem* disk_annotations_item, uint32_t offset) { |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 696 | if (disk_annotations_item == nullptr || (disk_annotations_item->size_ == 0 && offset == 0)) { |
| 697 | return nullptr; |
| 698 | } |
| 699 | AnnotationSetItem* annotation_set_item = annotation_set_items_map_.GetExistingObject(offset); |
| 700 | if (annotation_set_item == nullptr) { |
| 701 | std::vector<AnnotationItem*>* items = new std::vector<AnnotationItem*>(); |
| 702 | for (uint32_t i = 0; i < disk_annotations_item->size_; ++i) { |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 703 | const dex::AnnotationItem* annotation = |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 704 | dex_file.GetAnnotationItem(disk_annotations_item, i); |
| 705 | if (annotation == nullptr) { |
| 706 | continue; |
| 707 | } |
| 708 | AnnotationItem* annotation_item = CreateAnnotationItem(dex_file, annotation); |
| 709 | items->push_back(annotation_item); |
| 710 | } |
| 711 | annotation_set_item = |
| 712 | annotation_set_items_map_.CreateAndAddItem(header_->AnnotationSetItems(), |
| 713 | eagerly_assign_offsets_, |
| 714 | offset, |
| 715 | items); |
| 716 | } |
| 717 | return annotation_set_item; |
| 718 | } |
| 719 | |
| 720 | AnnotationsDirectoryItem* BuilderMaps::CreateAnnotationsDirectoryItem(const DexFile& dex_file, |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 721 | const dex::AnnotationsDirectoryItem* disk_annotations_item, uint32_t offset) { |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 722 | AnnotationsDirectoryItem* annotations_directory_item = |
| 723 | annotations_directory_items_map_.GetExistingObject(offset); |
| 724 | if (annotations_directory_item != nullptr) { |
| 725 | return annotations_directory_item; |
| 726 | } |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 727 | const dex::AnnotationSetItem* class_set_item = |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 728 | dex_file.GetClassAnnotationSet(disk_annotations_item); |
| 729 | AnnotationSetItem* class_annotation = nullptr; |
| 730 | if (class_set_item != nullptr) { |
| 731 | uint32_t item_offset = disk_annotations_item->class_annotations_off_; |
| 732 | class_annotation = CreateAnnotationSetItem(dex_file, class_set_item, item_offset); |
| 733 | } |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 734 | const dex::FieldAnnotationsItem* fields = |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 735 | dex_file.GetFieldAnnotations(disk_annotations_item); |
| 736 | FieldAnnotationVector* field_annotations = nullptr; |
| 737 | if (fields != nullptr) { |
| 738 | field_annotations = new FieldAnnotationVector(); |
| 739 | for (uint32_t i = 0; i < disk_annotations_item->fields_size_; ++i) { |
| 740 | FieldId* field_id = header_->FieldIds()[fields[i].field_idx_]; |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 741 | const dex::AnnotationSetItem* field_set_item = |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 742 | dex_file.GetFieldAnnotationSetItem(fields[i]); |
| 743 | uint32_t annotation_set_offset = fields[i].annotations_off_; |
| 744 | AnnotationSetItem* annotation_set_item = |
| 745 | CreateAnnotationSetItem(dex_file, field_set_item, annotation_set_offset); |
Yi Kong | c57c680 | 2018-10-29 14:28:56 -0700 | [diff] [blame] | 746 | field_annotations->push_back(std::make_unique<FieldAnnotation>( |
| 747 | field_id, annotation_set_item)); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 748 | } |
| 749 | } |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 750 | const dex::MethodAnnotationsItem* methods = |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 751 | dex_file.GetMethodAnnotations(disk_annotations_item); |
| 752 | MethodAnnotationVector* method_annotations = nullptr; |
| 753 | if (methods != nullptr) { |
| 754 | method_annotations = new MethodAnnotationVector(); |
| 755 | for (uint32_t i = 0; i < disk_annotations_item->methods_size_; ++i) { |
| 756 | MethodId* method_id = header_->MethodIds()[methods[i].method_idx_]; |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 757 | const dex::AnnotationSetItem* method_set_item = |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 758 | dex_file.GetMethodAnnotationSetItem(methods[i]); |
| 759 | uint32_t annotation_set_offset = methods[i].annotations_off_; |
| 760 | AnnotationSetItem* annotation_set_item = |
| 761 | CreateAnnotationSetItem(dex_file, method_set_item, annotation_set_offset); |
Yi Kong | c57c680 | 2018-10-29 14:28:56 -0700 | [diff] [blame] | 762 | method_annotations->push_back(std::make_unique<MethodAnnotation>( |
| 763 | method_id, annotation_set_item)); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 764 | } |
| 765 | } |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 766 | const dex::ParameterAnnotationsItem* parameters = |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 767 | dex_file.GetParameterAnnotations(disk_annotations_item); |
| 768 | ParameterAnnotationVector* parameter_annotations = nullptr; |
| 769 | if (parameters != nullptr) { |
| 770 | parameter_annotations = new ParameterAnnotationVector(); |
| 771 | for (uint32_t i = 0; i < disk_annotations_item->parameters_size_; ++i) { |
| 772 | MethodId* method_id = header_->MethodIds()[parameters[i].method_idx_]; |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 773 | const dex::AnnotationSetRefList* list = |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 774 | dex_file.GetParameterAnnotationSetRefList(¶meters[i]); |
| 775 | parameter_annotations->push_back(std::unique_ptr<ParameterAnnotation>( |
| 776 | GenerateParameterAnnotation(dex_file, method_id, list, parameters[i].annotations_off_))); |
| 777 | } |
| 778 | } |
| 779 | // TODO: Calculate the size of the annotations directory. |
| 780 | return annotations_directory_items_map_.CreateAndAddItem(header_->AnnotationsDirectoryItems(), |
| 781 | eagerly_assign_offsets_, |
| 782 | offset, |
| 783 | class_annotation, |
| 784 | field_annotations, |
| 785 | method_annotations, |
| 786 | parameter_annotations); |
| 787 | } |
| 788 | |
| 789 | CodeItem* BuilderMaps::DedupeOrCreateCodeItem(const DexFile& dex_file, |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 790 | const dex::CodeItem* disk_code_item, |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 791 | uint32_t offset, |
| 792 | uint32_t dex_method_index) { |
| 793 | if (disk_code_item == nullptr) { |
| 794 | return nullptr; |
| 795 | } |
| 796 | CodeItemDebugInfoAccessor accessor(dex_file, disk_code_item, dex_method_index); |
| 797 | const uint32_t debug_info_offset = accessor.DebugInfoOffset(); |
| 798 | |
| 799 | // Create the offsets pair and dedupe based on it. |
| 800 | std::pair<uint32_t, uint32_t> offsets_pair(offset, debug_info_offset); |
| 801 | auto existing = code_items_map_.find(offsets_pair); |
| 802 | if (existing != code_items_map_.end()) { |
| 803 | return existing->second; |
| 804 | } |
| 805 | |
| 806 | const uint8_t* debug_info_stream = dex_file.GetDebugInfoStream(debug_info_offset); |
| 807 | DebugInfoItem* debug_info = nullptr; |
| 808 | if (debug_info_stream != nullptr) { |
| 809 | debug_info = debug_info_items_map_.GetExistingObject(debug_info_offset); |
| 810 | if (debug_info == nullptr) { |
| 811 | uint32_t debug_info_size = GetDebugInfoStreamSize(debug_info_stream); |
| 812 | uint8_t* debug_info_buffer = new uint8_t[debug_info_size]; |
| 813 | memcpy(debug_info_buffer, debug_info_stream, debug_info_size); |
| 814 | debug_info = debug_info_items_map_.CreateAndAddItem(header_->DebugInfoItems(), |
| 815 | eagerly_assign_offsets_, |
| 816 | debug_info_offset, |
| 817 | debug_info_size, |
| 818 | debug_info_buffer); |
| 819 | } |
| 820 | } |
| 821 | |
| 822 | uint32_t insns_size = accessor.InsnsSizeInCodeUnits(); |
| 823 | uint16_t* insns = new uint16_t[insns_size]; |
| 824 | memcpy(insns, accessor.Insns(), insns_size * sizeof(uint16_t)); |
| 825 | |
| 826 | TryItemVector* tries = nullptr; |
| 827 | CatchHandlerVector* handler_list = nullptr; |
| 828 | if (accessor.TriesSize() > 0) { |
| 829 | tries = new TryItemVector(); |
| 830 | handler_list = new CatchHandlerVector(); |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 831 | for (const dex::TryItem& disk_try_item : accessor.TryItems()) { |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 832 | uint32_t start_addr = disk_try_item.start_addr_; |
| 833 | uint16_t insn_count = disk_try_item.insn_count_; |
| 834 | uint16_t handler_off = disk_try_item.handler_off_; |
| 835 | const CatchHandler* handlers = nullptr; |
| 836 | for (std::unique_ptr<const CatchHandler>& existing_handlers : *handler_list) { |
| 837 | if (handler_off == existing_handlers->GetListOffset()) { |
| 838 | handlers = existing_handlers.get(); |
| 839 | break; |
| 840 | } |
| 841 | } |
| 842 | if (handlers == nullptr) { |
| 843 | bool catch_all = false; |
| 844 | TypeAddrPairVector* addr_pairs = new TypeAddrPairVector(); |
| 845 | for (CatchHandlerIterator it(accessor, disk_try_item); it.HasNext(); it.Next()) { |
| 846 | const dex::TypeIndex type_index = it.GetHandlerTypeIndex(); |
| 847 | const TypeId* type_id = header_->GetTypeIdOrNullPtr(type_index.index_); |
| 848 | catch_all |= type_id == nullptr; |
| 849 | addr_pairs->push_back(std::unique_ptr<const TypeAddrPair>( |
| 850 | new TypeAddrPair(type_id, it.GetHandlerAddress()))); |
| 851 | } |
| 852 | handlers = new CatchHandler(catch_all, handler_off, addr_pairs); |
| 853 | handler_list->push_back(std::unique_ptr<const CatchHandler>(handlers)); |
| 854 | } |
| 855 | TryItem* try_item = new TryItem(start_addr, insn_count, handlers); |
| 856 | tries->push_back(std::unique_ptr<const TryItem>(try_item)); |
| 857 | } |
| 858 | // Manually walk catch handlers list and add any missing handlers unreferenced by try items. |
| 859 | const uint8_t* handlers_base = accessor.GetCatchHandlerData(); |
| 860 | const uint8_t* handlers_data = handlers_base; |
| 861 | uint32_t handlers_size = DecodeUnsignedLeb128(&handlers_data); |
| 862 | while (handlers_size > handler_list->size()) { |
| 863 | bool already_added = false; |
| 864 | uint16_t handler_off = handlers_data - handlers_base; |
| 865 | for (std::unique_ptr<const CatchHandler>& existing_handlers : *handler_list) { |
| 866 | if (handler_off == existing_handlers->GetListOffset()) { |
| 867 | already_added = true; |
| 868 | break; |
| 869 | } |
| 870 | } |
| 871 | int32_t size = DecodeSignedLeb128(&handlers_data); |
| 872 | bool has_catch_all = size <= 0; |
| 873 | if (has_catch_all) { |
| 874 | size = -size; |
| 875 | } |
| 876 | if (already_added) { |
| 877 | for (int32_t i = 0; i < size; i++) { |
| 878 | DecodeUnsignedLeb128(&handlers_data); |
| 879 | DecodeUnsignedLeb128(&handlers_data); |
| 880 | } |
| 881 | if (has_catch_all) { |
| 882 | DecodeUnsignedLeb128(&handlers_data); |
| 883 | } |
| 884 | continue; |
| 885 | } |
| 886 | TypeAddrPairVector* addr_pairs = new TypeAddrPairVector(); |
| 887 | for (int32_t i = 0; i < size; i++) { |
| 888 | const TypeId* type_id = |
| 889 | header_->GetTypeIdOrNullPtr(DecodeUnsignedLeb128(&handlers_data)); |
| 890 | uint32_t addr = DecodeUnsignedLeb128(&handlers_data); |
| 891 | addr_pairs->push_back( |
| 892 | std::unique_ptr<const TypeAddrPair>(new TypeAddrPair(type_id, addr))); |
| 893 | } |
| 894 | if (has_catch_all) { |
| 895 | uint32_t addr = DecodeUnsignedLeb128(&handlers_data); |
| 896 | addr_pairs->push_back( |
| 897 | std::unique_ptr<const TypeAddrPair>(new TypeAddrPair(nullptr, addr))); |
| 898 | } |
| 899 | const CatchHandler* handler = new CatchHandler(has_catch_all, handler_off, addr_pairs); |
| 900 | handler_list->push_back(std::unique_ptr<const CatchHandler>(handler)); |
| 901 | } |
| 902 | } |
| 903 | |
| 904 | uint32_t size = dex_file.GetCodeItemSize(*disk_code_item); |
| 905 | CodeItem* code_item = header_->CodeItems().CreateAndAddItem(accessor.RegistersSize(), |
| 906 | accessor.InsSize(), |
| 907 | accessor.OutsSize(), |
| 908 | debug_info, |
| 909 | insns_size, |
| 910 | insns, |
| 911 | tries, |
| 912 | handler_list); |
| 913 | code_item->SetSize(size); |
| 914 | |
| 915 | // Add the code item to the map. |
| 916 | DCHECK(!code_item->OffsetAssigned()); |
| 917 | if (eagerly_assign_offsets_) { |
| 918 | code_item->SetOffset(offset); |
| 919 | } |
| 920 | code_items_map_.emplace(offsets_pair, code_item); |
| 921 | |
| 922 | // Add "fixup" references to types, strings, methods, and fields. |
| 923 | // This is temporary, as we will probably want more detailed parsing of the |
| 924 | // instructions here. |
| 925 | std::vector<TypeId*> type_ids; |
| 926 | std::vector<StringId*> string_ids; |
| 927 | std::vector<MethodId*> method_ids; |
| 928 | std::vector<FieldId*> field_ids; |
| 929 | if (GetIdsFromByteCode(code_item, |
| 930 | /*out*/ &type_ids, |
| 931 | /*out*/ &string_ids, |
| 932 | /*out*/ &method_ids, |
| 933 | /*out*/ &field_ids)) { |
| 934 | CodeFixups* fixups = new CodeFixups(std::move(type_ids), |
| 935 | std::move(string_ids), |
| 936 | std::move(method_ids), |
| 937 | std::move(field_ids)); |
| 938 | code_item->SetCodeFixups(fixups); |
| 939 | } |
| 940 | |
| 941 | return code_item; |
| 942 | } |
| 943 | |
Mathieu Chartier | a34812c | 2018-08-01 17:10:43 -0700 | [diff] [blame] | 944 | ClassData* BuilderMaps::CreateClassData(const DexFile& dex_file, |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 945 | const dex::ClassDef& class_def) { |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 946 | // Read the fields and methods defined by the class, resolving the circular reference from those |
| 947 | // to classes by setting class at the same time. |
Mathieu Chartier | a34812c | 2018-08-01 17:10:43 -0700 | [diff] [blame] | 948 | const uint32_t offset = class_def.class_data_off_; |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 949 | ClassData* class_data = class_datas_map_.GetExistingObject(offset); |
Mathieu Chartier | a34812c | 2018-08-01 17:10:43 -0700 | [diff] [blame] | 950 | if (class_data == nullptr && offset != 0u) { |
| 951 | ClassAccessor accessor(dex_file, class_def); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 952 | // Static fields. |
| 953 | FieldItemVector* static_fields = new FieldItemVector(); |
Mathieu Chartier | a34812c | 2018-08-01 17:10:43 -0700 | [diff] [blame] | 954 | for (const ClassAccessor::Field& field : accessor.GetStaticFields()) { |
| 955 | FieldId* field_item = header_->FieldIds()[field.GetIndex()]; |
David Brazdil | 20c765f | 2018-10-27 21:45:15 +0000 | [diff] [blame] | 956 | uint32_t access_flags = field.GetAccessFlags(); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 957 | static_fields->emplace_back(access_flags, field_item); |
| 958 | } |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 959 | FieldItemVector* instance_fields = new FieldItemVector(); |
Mathieu Chartier | a34812c | 2018-08-01 17:10:43 -0700 | [diff] [blame] | 960 | for (const ClassAccessor::Field& field : accessor.GetInstanceFields()) { |
| 961 | FieldId* field_item = header_->FieldIds()[field.GetIndex()]; |
David Brazdil | 20c765f | 2018-10-27 21:45:15 +0000 | [diff] [blame] | 962 | uint32_t access_flags = field.GetAccessFlags(); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 963 | instance_fields->emplace_back(access_flags, field_item); |
| 964 | } |
| 965 | // Direct methods. |
| 966 | MethodItemVector* direct_methods = new MethodItemVector(); |
Mathieu Chartier | a34812c | 2018-08-01 17:10:43 -0700 | [diff] [blame] | 967 | auto direct_methods_it = accessor.GetDirectMethods(); |
| 968 | for (auto it = direct_methods_it.begin(); it != direct_methods_it.end(); ++it) { |
| 969 | direct_methods->push_back(GenerateMethodItem(dex_file, *it)); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 970 | } |
| 971 | // Virtual methods. |
| 972 | MethodItemVector* virtual_methods = new MethodItemVector(); |
Mathieu Chartier | a34812c | 2018-08-01 17:10:43 -0700 | [diff] [blame] | 973 | auto virtual_methods_it = accessor.GetVirtualMethods(); |
| 974 | const uint8_t* last_data_ptr; |
| 975 | for (auto it = virtual_methods_it.begin(); ; ++it) { |
| 976 | if (it == virtual_methods_it.end()) { |
| 977 | last_data_ptr = it->GetDataPointer(); |
| 978 | break; |
| 979 | } |
| 980 | virtual_methods->push_back(GenerateMethodItem(dex_file, *it)); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 981 | } |
| 982 | class_data = class_datas_map_.CreateAndAddItem(header_->ClassDatas(), |
| 983 | eagerly_assign_offsets_, |
| 984 | offset, |
| 985 | static_fields, |
| 986 | instance_fields, |
| 987 | direct_methods, |
| 988 | virtual_methods); |
Mathieu Chartier | a34812c | 2018-08-01 17:10:43 -0700 | [diff] [blame] | 989 | class_data->SetSize(last_data_ptr - dex_file.GetClassData(class_def)); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 990 | } |
| 991 | return class_data; |
| 992 | } |
| 993 | |
| 994 | void BuilderMaps::SortVectorsByMapOrder() { |
| 995 | header_->StringDatas().SortByMapOrder(string_datas_map_.Collection()); |
| 996 | header_->TypeLists().SortByMapOrder(type_lists_map_.Collection()); |
| 997 | header_->EncodedArrayItems().SortByMapOrder(encoded_array_items_map_.Collection()); |
| 998 | header_->AnnotationItems().SortByMapOrder(annotation_items_map_.Collection()); |
| 999 | header_->AnnotationSetItems().SortByMapOrder(annotation_set_items_map_.Collection()); |
| 1000 | header_->AnnotationSetRefLists().SortByMapOrder(annotation_set_ref_lists_map_.Collection()); |
| 1001 | header_->AnnotationsDirectoryItems().SortByMapOrder( |
| 1002 | annotations_directory_items_map_.Collection()); |
| 1003 | header_->DebugInfoItems().SortByMapOrder(debug_info_items_map_.Collection()); |
| 1004 | header_->CodeItems().SortByMapOrder(code_items_map_); |
| 1005 | header_->ClassDatas().SortByMapOrder(class_datas_map_.Collection()); |
| 1006 | } |
| 1007 | |
| 1008 | bool BuilderMaps::GetIdsFromByteCode(const CodeItem* code, |
| 1009 | std::vector<TypeId*>* type_ids, |
| 1010 | std::vector<StringId*>* string_ids, |
| 1011 | std::vector<MethodId*>* method_ids, |
| 1012 | std::vector<FieldId*>* field_ids) { |
| 1013 | bool has_id = false; |
| 1014 | IterationRange<DexInstructionIterator> instructions = code->Instructions(); |
| 1015 | SafeDexInstructionIterator it(instructions.begin(), instructions.end()); |
| 1016 | for (; !it.IsErrorState() && it < instructions.end(); ++it) { |
| 1017 | // In case the instruction goes past the end of the code item, make sure to not process it. |
| 1018 | SafeDexInstructionIterator next = it; |
| 1019 | ++next; |
| 1020 | if (next.IsErrorState()) { |
| 1021 | break; |
| 1022 | } |
| 1023 | has_id |= GetIdFromInstruction(&it.Inst(), type_ids, string_ids, method_ids, field_ids); |
| 1024 | } // for |
| 1025 | return has_id; |
| 1026 | } |
| 1027 | |
| 1028 | bool BuilderMaps::GetIdFromInstruction(const Instruction* dec_insn, |
| 1029 | std::vector<TypeId*>* type_ids, |
| 1030 | std::vector<StringId*>* string_ids, |
| 1031 | std::vector<MethodId*>* method_ids, |
| 1032 | std::vector<FieldId*>* field_ids) { |
| 1033 | // Determine index and width of the string. |
| 1034 | uint32_t index = 0; |
| 1035 | switch (Instruction::FormatOf(dec_insn->Opcode())) { |
| 1036 | // SOME NOT SUPPORTED: |
| 1037 | // case Instruction::k20bc: |
| 1038 | case Instruction::k21c: |
| 1039 | case Instruction::k35c: |
| 1040 | // case Instruction::k35ms: |
| 1041 | case Instruction::k3rc: |
| 1042 | // case Instruction::k3rms: |
| 1043 | // case Instruction::k35mi: |
| 1044 | // case Instruction::k3rmi: |
| 1045 | case Instruction::k45cc: |
| 1046 | case Instruction::k4rcc: |
| 1047 | index = dec_insn->VRegB(); |
| 1048 | break; |
| 1049 | case Instruction::k31c: |
| 1050 | index = dec_insn->VRegB(); |
| 1051 | break; |
| 1052 | case Instruction::k22c: |
| 1053 | // case Instruction::k22cs: |
| 1054 | index = dec_insn->VRegC(); |
| 1055 | break; |
| 1056 | default: |
| 1057 | break; |
| 1058 | } // switch |
| 1059 | |
| 1060 | // Determine index type, and add reference to the appropriate collection. |
| 1061 | switch (Instruction::IndexTypeOf(dec_insn->Opcode())) { |
| 1062 | case Instruction::kIndexTypeRef: |
| 1063 | if (index < header_->TypeIds().Size()) { |
| 1064 | type_ids->push_back(header_->TypeIds()[index]); |
| 1065 | return true; |
| 1066 | } |
| 1067 | break; |
| 1068 | case Instruction::kIndexStringRef: |
| 1069 | if (index < header_->StringIds().Size()) { |
| 1070 | string_ids->push_back(header_->StringIds()[index]); |
| 1071 | return true; |
| 1072 | } |
| 1073 | break; |
| 1074 | case Instruction::kIndexMethodRef: |
| 1075 | case Instruction::kIndexMethodAndProtoRef: |
| 1076 | if (index < header_->MethodIds().Size()) { |
| 1077 | method_ids->push_back(header_->MethodIds()[index]); |
| 1078 | return true; |
| 1079 | } |
| 1080 | break; |
| 1081 | case Instruction::kIndexFieldRef: |
| 1082 | if (index < header_->FieldIds().Size()) { |
| 1083 | field_ids->push_back(header_->FieldIds()[index]); |
| 1084 | return true; |
| 1085 | } |
| 1086 | break; |
| 1087 | case Instruction::kIndexUnknown: |
| 1088 | case Instruction::kIndexNone: |
| 1089 | case Instruction::kIndexVtableOffset: |
| 1090 | case Instruction::kIndexFieldOffset: |
| 1091 | default: |
| 1092 | break; |
| 1093 | } // switch |
| 1094 | return false; |
| 1095 | } |
| 1096 | |
| 1097 | EncodedValue* BuilderMaps::ReadEncodedValue(const DexFile& dex_file, const uint8_t** data) { |
| 1098 | const uint8_t encoded_value = *(*data)++; |
| 1099 | const uint8_t type = encoded_value & 0x1f; |
| 1100 | EncodedValue* item = new EncodedValue(type); |
| 1101 | ReadEncodedValue(dex_file, data, type, encoded_value >> 5, item); |
| 1102 | return item; |
| 1103 | } |
| 1104 | |
| 1105 | EncodedValue* BuilderMaps::ReadEncodedValue(const DexFile& dex_file, |
| 1106 | const uint8_t** data, |
| 1107 | uint8_t type, |
| 1108 | uint8_t length) { |
| 1109 | EncodedValue* item = new EncodedValue(type); |
| 1110 | ReadEncodedValue(dex_file, data, type, length, item); |
| 1111 | return item; |
| 1112 | } |
| 1113 | |
| 1114 | void BuilderMaps::ReadEncodedValue(const DexFile& dex_file, |
| 1115 | const uint8_t** data, |
| 1116 | uint8_t type, |
| 1117 | uint8_t length, |
| 1118 | EncodedValue* item) { |
| 1119 | switch (type) { |
| 1120 | case DexFile::kDexAnnotationByte: |
| 1121 | item->SetByte(static_cast<int8_t>(ReadVarWidth(data, length, false))); |
| 1122 | break; |
| 1123 | case DexFile::kDexAnnotationShort: |
| 1124 | item->SetShort(static_cast<int16_t>(ReadVarWidth(data, length, true))); |
| 1125 | break; |
| 1126 | case DexFile::kDexAnnotationChar: |
| 1127 | item->SetChar(static_cast<uint16_t>(ReadVarWidth(data, length, false))); |
| 1128 | break; |
| 1129 | case DexFile::kDexAnnotationInt: |
| 1130 | item->SetInt(static_cast<int32_t>(ReadVarWidth(data, length, true))); |
| 1131 | break; |
| 1132 | case DexFile::kDexAnnotationLong: |
| 1133 | item->SetLong(static_cast<int64_t>(ReadVarWidth(data, length, true))); |
| 1134 | break; |
| 1135 | case DexFile::kDexAnnotationFloat: { |
| 1136 | // Fill on right. |
| 1137 | union { |
| 1138 | float f; |
| 1139 | uint32_t data; |
| 1140 | } conv; |
| 1141 | conv.data = static_cast<uint32_t>(ReadVarWidth(data, length, false)) << (3 - length) * 8; |
| 1142 | item->SetFloat(conv.f); |
| 1143 | break; |
| 1144 | } |
| 1145 | case DexFile::kDexAnnotationDouble: { |
| 1146 | // Fill on right. |
| 1147 | union { |
| 1148 | double d; |
| 1149 | uint64_t data; |
| 1150 | } conv; |
| 1151 | conv.data = ReadVarWidth(data, length, false) << (7 - length) * 8; |
| 1152 | item->SetDouble(conv.d); |
| 1153 | break; |
| 1154 | } |
| 1155 | case DexFile::kDexAnnotationMethodType: { |
| 1156 | const uint32_t proto_index = static_cast<uint32_t>(ReadVarWidth(data, length, false)); |
| 1157 | item->SetProtoId(header_->ProtoIds()[proto_index]); |
| 1158 | break; |
| 1159 | } |
| 1160 | case DexFile::kDexAnnotationMethodHandle: { |
| 1161 | const uint32_t method_handle_index = static_cast<uint32_t>(ReadVarWidth(data, length, false)); |
| 1162 | item->SetMethodHandle(header_->MethodHandleItems()[method_handle_index]); |
| 1163 | break; |
| 1164 | } |
| 1165 | case DexFile::kDexAnnotationString: { |
| 1166 | const uint32_t string_index = static_cast<uint32_t>(ReadVarWidth(data, length, false)); |
| 1167 | item->SetStringId(header_->StringIds()[string_index]); |
| 1168 | break; |
| 1169 | } |
| 1170 | case DexFile::kDexAnnotationType: { |
| 1171 | const uint32_t string_index = static_cast<uint32_t>(ReadVarWidth(data, length, false)); |
| 1172 | item->SetTypeId(header_->TypeIds()[string_index]); |
| 1173 | break; |
| 1174 | } |
| 1175 | case DexFile::kDexAnnotationField: |
| 1176 | case DexFile::kDexAnnotationEnum: { |
| 1177 | const uint32_t field_index = static_cast<uint32_t>(ReadVarWidth(data, length, false)); |
| 1178 | item->SetFieldId(header_->FieldIds()[field_index]); |
| 1179 | break; |
| 1180 | } |
| 1181 | case DexFile::kDexAnnotationMethod: { |
| 1182 | const uint32_t method_index = static_cast<uint32_t>(ReadVarWidth(data, length, false)); |
| 1183 | item->SetMethodId(header_->MethodIds()[method_index]); |
| 1184 | break; |
| 1185 | } |
| 1186 | case DexFile::kDexAnnotationArray: { |
| 1187 | EncodedValueVector* values = new EncodedValueVector(); |
| 1188 | const uint32_t offset = *data - dex_file.DataBegin(); |
| 1189 | const uint32_t size = DecodeUnsignedLeb128(data); |
| 1190 | // Decode all elements. |
| 1191 | for (uint32_t i = 0; i < size; i++) { |
| 1192 | values->push_back(std::unique_ptr<EncodedValue>(ReadEncodedValue(dex_file, data))); |
| 1193 | } |
| 1194 | EncodedArrayItem* array_item = new EncodedArrayItem(values); |
| 1195 | if (eagerly_assign_offsets_) { |
| 1196 | array_item->SetOffset(offset); |
| 1197 | } |
| 1198 | item->SetEncodedArray(array_item); |
| 1199 | break; |
| 1200 | } |
| 1201 | case DexFile::kDexAnnotationAnnotation: { |
| 1202 | AnnotationElementVector* elements = new AnnotationElementVector(); |
| 1203 | const uint32_t type_idx = DecodeUnsignedLeb128(data); |
| 1204 | const uint32_t size = DecodeUnsignedLeb128(data); |
| 1205 | // Decode all name=value pairs. |
| 1206 | for (uint32_t i = 0; i < size; i++) { |
| 1207 | const uint32_t name_index = DecodeUnsignedLeb128(data); |
Yi Kong | c57c680 | 2018-10-29 14:28:56 -0700 | [diff] [blame] | 1208 | elements->push_back(std::make_unique<AnnotationElement>( |
| 1209 | header_->StringIds()[name_index], |
| 1210 | ReadEncodedValue(dex_file, data))); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 1211 | } |
| 1212 | item->SetEncodedAnnotation(new EncodedAnnotation(header_->TypeIds()[type_idx], elements)); |
| 1213 | break; |
| 1214 | } |
| 1215 | case DexFile::kDexAnnotationNull: |
| 1216 | break; |
| 1217 | case DexFile::kDexAnnotationBoolean: |
| 1218 | item->SetBoolean(length != 0); |
| 1219 | break; |
| 1220 | default: |
| 1221 | break; |
| 1222 | } |
| 1223 | } |
| 1224 | |
Mathieu Chartier | a34812c | 2018-08-01 17:10:43 -0700 | [diff] [blame] | 1225 | MethodItem BuilderMaps::GenerateMethodItem(const DexFile& dex_file, |
| 1226 | const ClassAccessor::Method& method) { |
| 1227 | MethodId* method_id = header_->MethodIds()[method.GetIndex()]; |
David Brazdil | 20c765f | 2018-10-27 21:45:15 +0000 | [diff] [blame] | 1228 | uint32_t access_flags = method.GetAccessFlags(); |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 1229 | const dex::CodeItem* disk_code_item = method.GetCodeItem(); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 1230 | // Temporary hack to prevent incorrectly deduping code items if they have the same offset since |
| 1231 | // they may have different debug info streams. |
| 1232 | CodeItem* code_item = DedupeOrCreateCodeItem(dex_file, |
| 1233 | disk_code_item, |
Mathieu Chartier | a34812c | 2018-08-01 17:10:43 -0700 | [diff] [blame] | 1234 | method.GetCodeItemOffset(), |
| 1235 | method.GetIndex()); |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 1236 | return MethodItem(access_flags, method_id, code_item); |
| 1237 | } |
| 1238 | |
| 1239 | ParameterAnnotation* BuilderMaps::GenerateParameterAnnotation( |
| 1240 | const DexFile& dex_file, |
| 1241 | MethodId* method_id, |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 1242 | const dex::AnnotationSetRefList* annotation_set_ref_list, |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 1243 | uint32_t offset) { |
| 1244 | AnnotationSetRefList* set_ref_list = annotation_set_ref_lists_map_.GetExistingObject(offset); |
| 1245 | if (set_ref_list == nullptr) { |
| 1246 | std::vector<AnnotationSetItem*>* annotations = new std::vector<AnnotationSetItem*>(); |
| 1247 | for (uint32_t i = 0; i < annotation_set_ref_list->size_; ++i) { |
Andreas Gampe | 3f1dcd3 | 2018-12-28 09:39:56 -0800 | [diff] [blame] | 1248 | const dex::AnnotationSetItem* annotation_set_item = |
David Sehr | 2b5a38f | 2018-06-14 15:13:04 -0700 | [diff] [blame] | 1249 | dex_file.GetSetRefItemItem(&annotation_set_ref_list->list_[i]); |
| 1250 | uint32_t set_offset = annotation_set_ref_list->list_[i].annotations_off_; |
| 1251 | annotations->push_back(CreateAnnotationSetItem(dex_file, annotation_set_item, set_offset)); |
| 1252 | } |
| 1253 | set_ref_list = |
| 1254 | annotation_set_ref_lists_map_.CreateAndAddItem(header_->AnnotationSetRefLists(), |
| 1255 | eagerly_assign_offsets_, |
| 1256 | offset, |
| 1257 | annotations); |
| 1258 | } |
| 1259 | return new ParameterAnnotation(method_id, set_ref_list); |
| 1260 | } |
| 1261 | |
David Sehr | 853a8e1 | 2016-09-01 13:03:50 -0700 | [diff] [blame] | 1262 | } // namespace dex_ir |
| 1263 | } // namespace art |