Elliott Hughes | 2faa5f1 | 2012-01-30 14:42:07 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 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 | */ |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 16 | |
Brian Carlstrom | fc0e321 | 2013-07-17 14:40:12 -0700 | [diff] [blame] | 17 | #ifndef ART_RUNTIME_DEX_FILE_H_ |
| 18 | #define ART_RUNTIME_DEX_FILE_H_ |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 19 | |
Elliott Hughes | 0c424cb | 2011-08-26 10:16:25 -0700 | [diff] [blame] | 20 | #include <string> |
Brian Carlstrom | 74eb46a | 2011-08-02 20:10:14 -0700 | [diff] [blame] | 21 | #include <vector> |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 22 | |
Elliott Hughes | 07ed66b | 2012-12-12 18:34:25 -0800 | [diff] [blame] | 23 | #include "base/logging.h" |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 24 | #include "base/mutex.h" |
Elliott Hughes | e222ee0 | 2012-12-13 14:41:43 -0800 | [diff] [blame] | 25 | #include "base/stringpiece.h" |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 26 | #include "globals.h" |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 27 | #include "invoke_type.h" |
Jesse Wilson | 6bf1915 | 2011-09-29 13:12:33 -0400 | [diff] [blame] | 28 | #include "jni.h" |
Brian Carlstrom | 33f741e | 2011-10-03 11:24:05 -0700 | [diff] [blame] | 29 | #include "mem_map.h" |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 30 | #include "modifiers.h" |
Elliott Hughes | a0e1806 | 2012-04-13 15:59:59 -0700 | [diff] [blame] | 31 | #include "safe_map.h" |
Elliott Hughes | a0e1806 | 2012-04-13 15:59:59 -0700 | [diff] [blame] | 32 | #include "UniquePtr.h" |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 33 | |
| 34 | namespace art { |
| 35 | |
Brian Carlstrom | e810452 | 2013-10-15 21:56:36 -0700 | [diff] [blame] | 36 | // TODO: remove dependencies on mirror classes, primarily by moving |
| 37 | // EncodedStaticFieldValueIterator to its own file. |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 38 | namespace mirror { |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 39 | class ArtField; |
| 40 | class ArtMethod; |
| 41 | class ClassLoader; |
| 42 | class DexCache; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 43 | } // namespace mirror |
| 44 | class ClassLinker; |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 45 | class Signature; |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 46 | template <typename T> |
| 47 | class SirtRef; |
Ian Rogers | fc0e94b | 2013-09-23 23:51:32 -0700 | [diff] [blame] | 48 | class StringPiece; |
Brian Carlstrom | a6cc893 | 2012-01-04 14:44:07 -0800 | [diff] [blame] | 49 | class ZipArchive; |
| 50 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 51 | // TODO: move all of the macro functionality into the DexCache class. |
Brian Carlstrom | f615a61 | 2011-07-23 12:50:34 -0700 | [diff] [blame] | 52 | class DexFile { |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 53 | public: |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 54 | static const byte kDexMagic[]; |
| 55 | static const byte kDexMagicVersion[]; |
| 56 | static const size_t kSha1DigestSize = 20; |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 57 | static const uint32_t kDexEndianConstant = 0x12345678; |
Carl Shapiro | 80d4dde | 2011-06-28 16:24:07 -0700 | [diff] [blame] | 58 | |
Brian Carlstrom | b7bbba4 | 2011-10-13 14:58:47 -0700 | [diff] [blame] | 59 | // name of the DexFile entry within a zip archive |
| 60 | static const char* kClassesDex; |
| 61 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 62 | // The value of an invalid index. |
| 63 | static const uint32_t kDexNoIndex = 0xFFFFFFFF; |
| 64 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 65 | // The value of an invalid index. |
| 66 | static const uint16_t kDexNoIndex16 = 0xFFFF; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 67 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 68 | // Raw header_item. |
| 69 | struct Header { |
| 70 | uint8_t magic_[8]; |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 71 | uint32_t checksum_; // See also location_checksum_ |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 72 | uint8_t signature_[kSha1DigestSize]; |
jeffhao | f6174e8 | 2012-01-31 16:14:17 -0800 | [diff] [blame] | 73 | uint32_t file_size_; // size of entire file |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 74 | uint32_t header_size_; // offset to start of next section |
| 75 | uint32_t endian_tag_; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 76 | uint32_t link_size_; // unused |
| 77 | uint32_t link_off_; // unused |
| 78 | uint32_t map_off_; // unused |
| 79 | uint32_t string_ids_size_; // number of StringIds |
| 80 | uint32_t string_ids_off_; // file offset of StringIds array |
| 81 | uint32_t type_ids_size_; // number of TypeIds, we don't support more than 65535 |
| 82 | uint32_t type_ids_off_; // file offset of TypeIds array |
| 83 | uint32_t proto_ids_size_; // number of ProtoIds, we don't support more than 65535 |
| 84 | uint32_t proto_ids_off_; // file offset of ProtoIds array |
| 85 | uint32_t field_ids_size_; // number of FieldIds |
| 86 | uint32_t field_ids_off_; // file offset of FieldIds array |
| 87 | uint32_t method_ids_size_; // number of MethodIds |
| 88 | uint32_t method_ids_off_; // file offset of MethodIds array |
| 89 | uint32_t class_defs_size_; // number of ClassDefs |
| 90 | uint32_t class_defs_off_; // file offset of ClassDef array |
| 91 | uint32_t data_size_; // unused |
| 92 | uint32_t data_off_; // unused |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 93 | |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 94 | private: |
| 95 | DISALLOW_COPY_AND_ASSIGN(Header); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 96 | }; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 97 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 98 | // Map item type codes. |
| 99 | enum { |
| 100 | kDexTypeHeaderItem = 0x0000, |
| 101 | kDexTypeStringIdItem = 0x0001, |
| 102 | kDexTypeTypeIdItem = 0x0002, |
| 103 | kDexTypeProtoIdItem = 0x0003, |
| 104 | kDexTypeFieldIdItem = 0x0004, |
| 105 | kDexTypeMethodIdItem = 0x0005, |
| 106 | kDexTypeClassDefItem = 0x0006, |
| 107 | kDexTypeMapList = 0x1000, |
| 108 | kDexTypeTypeList = 0x1001, |
| 109 | kDexTypeAnnotationSetRefList = 0x1002, |
| 110 | kDexTypeAnnotationSetItem = 0x1003, |
| 111 | kDexTypeClassDataItem = 0x2000, |
| 112 | kDexTypeCodeItem = 0x2001, |
| 113 | kDexTypeStringDataItem = 0x2002, |
| 114 | kDexTypeDebugInfoItem = 0x2003, |
| 115 | kDexTypeAnnotationItem = 0x2004, |
| 116 | kDexTypeEncodedArrayItem = 0x2005, |
| 117 | kDexTypeAnnotationsDirectoryItem = 0x2006, |
| 118 | }; |
| 119 | |
| 120 | struct MapItem { |
| 121 | uint16_t type_; |
| 122 | uint16_t unused_; |
| 123 | uint32_t size_; |
| 124 | uint32_t offset_; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 125 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 126 | private: |
| 127 | DISALLOW_COPY_AND_ASSIGN(MapItem); |
| 128 | }; |
| 129 | |
| 130 | struct MapList { |
| 131 | uint32_t size_; |
| 132 | MapItem list_[1]; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 133 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 134 | private: |
| 135 | DISALLOW_COPY_AND_ASSIGN(MapList); |
| 136 | }; |
| 137 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 138 | // Raw string_id_item. |
| 139 | struct StringId { |
| 140 | uint32_t string_data_off_; // offset in bytes from the base address |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 141 | |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 142 | private: |
| 143 | DISALLOW_COPY_AND_ASSIGN(StringId); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 144 | }; |
| 145 | |
| 146 | // Raw type_id_item. |
| 147 | struct TypeId { |
| 148 | uint32_t descriptor_idx_; // index into string_ids |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 149 | |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 150 | private: |
| 151 | DISALLOW_COPY_AND_ASSIGN(TypeId); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 152 | }; |
| 153 | |
| 154 | // Raw field_id_item. |
| 155 | struct FieldId { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 156 | uint16_t class_idx_; // index into type_ids_ array for defining class |
| 157 | uint16_t type_idx_; // index into type_ids_ array for field type |
| 158 | uint32_t name_idx_; // index into string_ids_ array for field name |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 159 | |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 160 | private: |
| 161 | DISALLOW_COPY_AND_ASSIGN(FieldId); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 162 | }; |
| 163 | |
| 164 | // Raw method_id_item. |
| 165 | struct MethodId { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 166 | uint16_t class_idx_; // index into type_ids_ array for defining class |
| 167 | uint16_t proto_idx_; // index into proto_ids_ array for method prototype |
| 168 | uint32_t name_idx_; // index into string_ids_ array for method name |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 169 | |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 170 | private: |
| 171 | DISALLOW_COPY_AND_ASSIGN(MethodId); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 172 | }; |
| 173 | |
| 174 | // Raw proto_id_item. |
| 175 | struct ProtoId { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 176 | uint32_t shorty_idx_; // index into string_ids array for shorty descriptor |
| 177 | uint16_t return_type_idx_; // index into type_ids array for return type |
| 178 | uint16_t pad_; // padding = 0 |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 179 | uint32_t parameters_off_; // file offset to type_list for parameter types |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 180 | |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 181 | private: |
| 182 | DISALLOW_COPY_AND_ASSIGN(ProtoId); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 183 | }; |
| 184 | |
| 185 | // Raw class_def_item. |
| 186 | struct ClassDef { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 187 | uint16_t class_idx_; // index into type_ids_ array for this class |
| 188 | uint16_t pad1_; // padding = 0 |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 189 | uint32_t access_flags_; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 190 | uint16_t superclass_idx_; // index into type_ids_ array for superclass |
| 191 | uint16_t pad2_; // padding = 0 |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 192 | uint32_t interfaces_off_; // file offset to TypeList |
Brian Carlstrom | 4a96b60 | 2011-07-26 16:40:23 -0700 | [diff] [blame] | 193 | uint32_t source_file_idx_; // index into string_ids_ for source file name |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 194 | uint32_t annotations_off_; // file offset to annotations_directory_item |
| 195 | uint32_t class_data_off_; // file offset to class_data_item |
| 196 | uint32_t static_values_off_; // file offset to EncodedArray |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 197 | |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 198 | private: |
| 199 | DISALLOW_COPY_AND_ASSIGN(ClassDef); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 200 | }; |
| 201 | |
| 202 | // Raw type_item. |
| 203 | struct TypeItem { |
| 204 | uint16_t type_idx_; // index into type_ids section |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 205 | |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 206 | private: |
| 207 | DISALLOW_COPY_AND_ASSIGN(TypeItem); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 208 | }; |
| 209 | |
| 210 | // Raw type_list. |
| 211 | class TypeList { |
| 212 | public: |
| 213 | uint32_t Size() const { |
| 214 | return size_; |
| 215 | } |
| 216 | |
| 217 | const TypeItem& GetTypeItem(uint32_t idx) const { |
Sebastien Hertz | b24bd99 | 2013-08-02 15:19:09 +0200 | [diff] [blame] | 218 | DCHECK_LT(idx, this->size_); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 219 | return this->list_[idx]; |
| 220 | } |
| 221 | |
| 222 | private: |
| 223 | uint32_t size_; // size of the list, in entries |
| 224 | TypeItem list_[1]; // elements of the list |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 225 | DISALLOW_COPY_AND_ASSIGN(TypeList); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 226 | }; |
| 227 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 228 | // Raw code_item. |
| 229 | struct CodeItem { |
| 230 | uint16_t registers_size_; |
| 231 | uint16_t ins_size_; |
| 232 | uint16_t outs_size_; |
| 233 | uint16_t tries_size_; |
| 234 | uint32_t debug_info_off_; // file offset to debug info stream |
Ian Rogers | d81871c | 2011-10-03 13:57:23 -0700 | [diff] [blame] | 235 | uint32_t insns_size_in_code_units_; // size of the insns array, in 2 byte code units |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 236 | uint16_t insns_[1]; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 237 | |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 238 | private: |
| 239 | DISALLOW_COPY_AND_ASSIGN(CodeItem); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 240 | }; |
| 241 | |
Carl Shapiro | 2eaa968 | 2011-08-04 19:26:11 -0700 | [diff] [blame] | 242 | // Raw try_item. |
| 243 | struct TryItem { |
| 244 | uint32_t start_addr_; |
| 245 | uint16_t insn_count_; |
| 246 | uint16_t handler_off_; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 247 | |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 248 | private: |
| 249 | DISALLOW_COPY_AND_ASSIGN(TryItem); |
Carl Shapiro | 2eaa968 | 2011-08-04 19:26:11 -0700 | [diff] [blame] | 250 | }; |
| 251 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 252 | // Annotation constants. |
| 253 | enum { |
| 254 | kDexVisibilityBuild = 0x00, /* annotation visibility */ |
| 255 | kDexVisibilityRuntime = 0x01, |
| 256 | kDexVisibilitySystem = 0x02, |
| 257 | |
| 258 | kDexAnnotationByte = 0x00, |
| 259 | kDexAnnotationShort = 0x02, |
| 260 | kDexAnnotationChar = 0x03, |
| 261 | kDexAnnotationInt = 0x04, |
| 262 | kDexAnnotationLong = 0x06, |
| 263 | kDexAnnotationFloat = 0x10, |
| 264 | kDexAnnotationDouble = 0x11, |
| 265 | kDexAnnotationString = 0x17, |
| 266 | kDexAnnotationType = 0x18, |
| 267 | kDexAnnotationField = 0x19, |
| 268 | kDexAnnotationMethod = 0x1a, |
| 269 | kDexAnnotationEnum = 0x1b, |
| 270 | kDexAnnotationArray = 0x1c, |
| 271 | kDexAnnotationAnnotation = 0x1d, |
| 272 | kDexAnnotationNull = 0x1e, |
| 273 | kDexAnnotationBoolean = 0x1f, |
| 274 | |
| 275 | kDexAnnotationValueTypeMask = 0x1f, /* low 5 bits */ |
| 276 | kDexAnnotationValueArgShift = 5, |
| 277 | }; |
| 278 | |
| 279 | struct AnnotationsDirectoryItem { |
| 280 | uint32_t class_annotations_off_; |
| 281 | uint32_t fields_size_; |
| 282 | uint32_t methods_size_; |
| 283 | uint32_t parameters_size_; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 284 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 285 | private: |
| 286 | DISALLOW_COPY_AND_ASSIGN(AnnotationsDirectoryItem); |
| 287 | }; |
| 288 | |
| 289 | struct FieldAnnotationsItem { |
| 290 | uint32_t field_idx_; |
| 291 | uint32_t annotations_off_; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 292 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 293 | private: |
| 294 | DISALLOW_COPY_AND_ASSIGN(FieldAnnotationsItem); |
| 295 | }; |
| 296 | |
| 297 | struct MethodAnnotationsItem { |
| 298 | uint32_t method_idx_; |
| 299 | uint32_t annotations_off_; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 300 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 301 | private: |
| 302 | DISALLOW_COPY_AND_ASSIGN(MethodAnnotationsItem); |
| 303 | }; |
| 304 | |
| 305 | struct ParameterAnnotationsItem { |
| 306 | uint32_t method_idx_; |
| 307 | uint32_t annotations_off_; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 308 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 309 | private: |
| 310 | DISALLOW_COPY_AND_ASSIGN(ParameterAnnotationsItem); |
| 311 | }; |
| 312 | |
| 313 | struct AnnotationSetRefItem { |
| 314 | uint32_t annotations_off_; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 315 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 316 | private: |
| 317 | DISALLOW_COPY_AND_ASSIGN(AnnotationSetRefItem); |
| 318 | }; |
| 319 | |
| 320 | struct AnnotationSetRefList { |
| 321 | uint32_t size_; |
| 322 | AnnotationSetRefItem list_[1]; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 323 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 324 | private: |
| 325 | DISALLOW_COPY_AND_ASSIGN(AnnotationSetRefList); |
| 326 | }; |
| 327 | |
| 328 | struct AnnotationSetItem { |
| 329 | uint32_t size_; |
| 330 | uint32_t entries_[1]; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 331 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 332 | private: |
| 333 | DISALLOW_COPY_AND_ASSIGN(AnnotationSetItem); |
| 334 | }; |
| 335 | |
| 336 | struct AnnotationItem { |
| 337 | uint8_t visibility_; |
| 338 | uint8_t annotation_[1]; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 339 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 340 | private: |
| 341 | DISALLOW_COPY_AND_ASSIGN(AnnotationItem); |
| 342 | }; |
| 343 | |
Brian Carlstrom | 74eb46a | 2011-08-02 20:10:14 -0700 | [diff] [blame] | 344 | typedef std::pair<const DexFile*, const DexFile::ClassDef*> ClassPathEntry; |
| 345 | typedef std::vector<const DexFile*> ClassPath; |
| 346 | |
| 347 | // Search a collection of DexFiles for a descriptor |
Ian Rogers | 8b2c0b9 | 2013-09-19 02:56:49 -0700 | [diff] [blame] | 348 | static ClassPathEntry FindInClassPath(const char* descriptor, |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 349 | const ClassPath& class_path); |
Brian Carlstrom | 74eb46a | 2011-08-02 20:10:14 -0700 | [diff] [blame] | 350 | |
Brian Carlstrom | 5b332c8 | 2012-02-01 15:02:31 -0800 | [diff] [blame] | 351 | // Returns the checksum of a file for comparison with GetLocationChecksum(). |
| 352 | // For .dex files, this is the header checksum. |
| 353 | // For zip files, this is the classes.dex zip entry CRC32 checksum. |
| 354 | // Return true if the checksum could be found, false otherwise. |
Ian Rogers | 8d31bbd | 2013-10-13 10:44:14 -0700 | [diff] [blame] | 355 | static bool GetChecksum(const char* filename, uint32_t* checksum, std::string* error_msg); |
Brian Carlstrom | 78128a6 | 2011-09-15 17:21:19 -0700 | [diff] [blame] | 356 | |
Brian Carlstrom | 58ae941 | 2011-10-04 00:56:06 -0700 | [diff] [blame] | 357 | // Opens .dex file, guessing the container format based on file extension |
Ian Rogers | 8d31bbd | 2013-10-13 10:44:14 -0700 | [diff] [blame] | 358 | static const DexFile* Open(const char* filename, const char* location, std::string* error_msg); |
jeffhao | 262bf46 | 2011-10-20 18:36:32 -0700 | [diff] [blame] | 359 | |
Brian Carlstrom | 8952189 | 2011-12-07 22:05:07 -0800 | [diff] [blame] | 360 | // Opens .dex file, backed by existing memory |
Brian Carlstrom | 5b332c8 | 2012-02-01 15:02:31 -0800 | [diff] [blame] | 361 | static const DexFile* Open(const uint8_t* base, size_t size, |
Brian Carlstrom | 28db012 | 2012-10-18 16:20:41 -0700 | [diff] [blame] | 362 | const std::string& location, |
Ian Rogers | 8d31bbd | 2013-10-13 10:44:14 -0700 | [diff] [blame] | 363 | uint32_t location_checksum, |
| 364 | std::string* error_msg) { |
| 365 | return OpenMemory(base, size, location, location_checksum, NULL, error_msg); |
Brian Carlstrom | 8952189 | 2011-12-07 22:05:07 -0800 | [diff] [blame] | 366 | } |
| 367 | |
Brian Carlstrom | a6cc893 | 2012-01-04 14:44:07 -0800 | [diff] [blame] | 368 | // Opens .dex file from the classes.dex in a zip archive |
Ian Rogers | 8d31bbd | 2013-10-13 10:44:14 -0700 | [diff] [blame] | 369 | static const DexFile* Open(const ZipArchive& zip_archive, const std::string& location, |
| 370 | std::string* error_msg); |
Brian Carlstrom | a6cc893 | 2012-01-04 14:44:07 -0800 | [diff] [blame] | 371 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 372 | // Closes a .dex file. |
Brian Carlstrom | f615a61 | 2011-07-23 12:50:34 -0700 | [diff] [blame] | 373 | virtual ~DexFile(); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 374 | |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 375 | const std::string& GetLocation() const { |
| 376 | return location_; |
| 377 | } |
| 378 | |
Brian Carlstrom | 5b332c8 | 2012-02-01 15:02:31 -0800 | [diff] [blame] | 379 | // For DexFiles directly from .dex files, this is the checksum from the DexFile::Header. |
| 380 | // For DexFiles opened from a zip files, this will be the ZipEntry CRC32 of classes.dex. |
| 381 | uint32_t GetLocationChecksum() const { |
| 382 | return location_checksum_; |
| 383 | } |
| 384 | |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 385 | const Header& GetHeader() const { |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 386 | DCHECK(header_ != NULL) << GetLocation(); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 387 | return *header_; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 388 | } |
| 389 | |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 390 | Mutex& GetModificationLock() { |
| 391 | return modification_lock; |
| 392 | } |
| 393 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 394 | // Decode the dex magic version |
Ian Rogers | d81871c | 2011-10-03 13:57:23 -0700 | [diff] [blame] | 395 | uint32_t GetVersion() const; |
| 396 | |
Brian Carlstrom | 6e3b1d9 | 2012-01-11 01:36:32 -0800 | [diff] [blame] | 397 | // Returns true if the byte string points to the magic value. |
| 398 | static bool IsMagicValid(const byte* magic); |
| 399 | |
| 400 | // Returns true if the byte string after the magic is the correct value. |
| 401 | static bool IsVersionValid(const byte* magic); |
| 402 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 403 | // Returns the number of string identifiers in the .dex file. |
| 404 | size_t NumStringIds() const { |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 405 | DCHECK(header_ != NULL) << GetLocation(); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 406 | return header_->string_ids_size_; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 407 | } |
| 408 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 409 | // Returns the StringId at the specified index. |
| 410 | const StringId& GetStringId(uint32_t idx) const { |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 411 | DCHECK_LT(idx, NumStringIds()) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 412 | return string_ids_[idx]; |
| 413 | } |
| 414 | |
| 415 | uint32_t GetIndexForStringId(const StringId& string_id) const { |
Brian Carlstrom | 61e513c | 2011-12-09 15:30:06 -0800 | [diff] [blame] | 416 | CHECK_GE(&string_id, string_ids_) << GetLocation(); |
| 417 | CHECK_LT(&string_id, string_ids_ + header_->string_ids_size_) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 418 | return &string_id - string_ids_; |
| 419 | } |
| 420 | |
| 421 | int32_t GetStringLength(const StringId& string_id) const; |
| 422 | |
Ian Rogers | dfb325e | 2013-10-30 01:00:44 -0700 | [diff] [blame] | 423 | // Returns a pointer to the UTF-8 string data referred to by the given string_id as well as the |
| 424 | // length of the string when decoded as a UTF-16 string. Note the UTF-16 length is not the same |
| 425 | // as the string length of the string data. |
| 426 | const char* GetStringDataAndUtf16Length(const StringId& string_id, uint32_t* utf16_length) const; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 427 | |
| 428 | const char* GetStringData(const StringId& string_id) const { |
Ian Rogers | dfb325e | 2013-10-30 01:00:44 -0700 | [diff] [blame] | 429 | uint32_t ignored; |
| 430 | return GetStringDataAndUtf16Length(string_id, &ignored); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 431 | } |
| 432 | |
Ian Rogers | dfb325e | 2013-10-30 01:00:44 -0700 | [diff] [blame] | 433 | // Index version of GetStringDataAndUtf16Length. |
| 434 | const char* StringDataAndUtf16LengthByIdx(uint32_t idx, uint32_t* utf16_length) const { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 435 | if (idx == kDexNoIndex) { |
Ian Rogers | dfb325e | 2013-10-30 01:00:44 -0700 | [diff] [blame] | 436 | *utf16_length = 0; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 437 | return NULL; |
| 438 | } |
| 439 | const StringId& string_id = GetStringId(idx); |
Ian Rogers | dfb325e | 2013-10-30 01:00:44 -0700 | [diff] [blame] | 440 | return GetStringDataAndUtf16Length(string_id, utf16_length); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 441 | } |
| 442 | |
| 443 | const char* StringDataByIdx(uint32_t idx) const { |
Elliott Hughes | 45651fd | 2012-02-21 15:48:20 -0800 | [diff] [blame] | 444 | uint32_t unicode_length; |
Ian Rogers | dfb325e | 2013-10-30 01:00:44 -0700 | [diff] [blame] | 445 | return StringDataAndUtf16LengthByIdx(idx, &unicode_length); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 446 | } |
| 447 | |
Ian Rogers | 637c65b | 2013-05-31 11:46:00 -0700 | [diff] [blame] | 448 | // Looks up a string id for a given modified utf8 string. |
| 449 | const StringId* FindStringId(const char* string) const; |
| 450 | |
| 451 | // Looks up a string id for a given utf16 string. |
| 452 | const StringId* FindStringId(const uint16_t* string) const; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 453 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 454 | // Returns the number of type identifiers in the .dex file. |
| 455 | size_t NumTypeIds() const { |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 456 | DCHECK(header_ != NULL) << GetLocation(); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 457 | return header_->type_ids_size_; |
Carl Shapiro | 5fafe2b | 2011-07-09 15:34:41 -0700 | [diff] [blame] | 458 | } |
| 459 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 460 | // Returns the TypeId at the specified index. |
| 461 | const TypeId& GetTypeId(uint32_t idx) const { |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 462 | DCHECK_LT(idx, NumTypeIds()) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 463 | return type_ids_[idx]; |
Carl Shapiro | 5fafe2b | 2011-07-09 15:34:41 -0700 | [diff] [blame] | 464 | } |
| 465 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 466 | uint16_t GetIndexForTypeId(const TypeId& type_id) const { |
Brian Carlstrom | 61e513c | 2011-12-09 15:30:06 -0800 | [diff] [blame] | 467 | CHECK_GE(&type_id, type_ids_) << GetLocation(); |
| 468 | CHECK_LT(&type_id, type_ids_ + header_->type_ids_size_) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 469 | size_t result = &type_id - type_ids_; |
Brian Carlstrom | 61e513c | 2011-12-09 15:30:06 -0800 | [diff] [blame] | 470 | DCHECK_LT(result, 65536U) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 471 | return static_cast<uint16_t>(result); |
| 472 | } |
| 473 | |
| 474 | // Get the descriptor string associated with a given type index. |
Elliott Hughes | 45651fd | 2012-02-21 15:48:20 -0800 | [diff] [blame] | 475 | const char* StringByTypeIdx(uint32_t idx, uint32_t* unicode_length) const { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 476 | const TypeId& type_id = GetTypeId(idx); |
Ian Rogers | dfb325e | 2013-10-30 01:00:44 -0700 | [diff] [blame] | 477 | return StringDataAndUtf16LengthByIdx(type_id.descriptor_idx_, unicode_length); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 478 | } |
| 479 | |
| 480 | const char* StringByTypeIdx(uint32_t idx) const { |
| 481 | const TypeId& type_id = GetTypeId(idx); |
| 482 | return StringDataByIdx(type_id.descriptor_idx_); |
| 483 | } |
| 484 | |
| 485 | // Returns the type descriptor string of a type id. |
| 486 | const char* GetTypeDescriptor(const TypeId& type_id) const { |
| 487 | return StringDataByIdx(type_id.descriptor_idx_); |
| 488 | } |
| 489 | |
| 490 | // Looks up a type for the given string index |
| 491 | const TypeId* FindTypeId(uint32_t string_idx) const; |
| 492 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 493 | // Returns the number of field identifiers in the .dex file. |
| 494 | size_t NumFieldIds() const { |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 495 | DCHECK(header_ != NULL) << GetLocation(); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 496 | return header_->field_ids_size_; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 497 | } |
| 498 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 499 | // Returns the FieldId at the specified index. |
| 500 | const FieldId& GetFieldId(uint32_t idx) const { |
Sebastien Hertz | b24bd99 | 2013-08-02 15:19:09 +0200 | [diff] [blame] | 501 | DCHECK_LT(idx, NumFieldIds()) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 502 | return field_ids_[idx]; |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 503 | } |
| 504 | |
Ian Rogers | 9b1a4f4 | 2011-11-14 18:35:10 -0800 | [diff] [blame] | 505 | uint32_t GetIndexForFieldId(const FieldId& field_id) const { |
Brian Carlstrom | 61e513c | 2011-12-09 15:30:06 -0800 | [diff] [blame] | 506 | CHECK_GE(&field_id, field_ids_) << GetLocation(); |
| 507 | CHECK_LT(&field_id, field_ids_ + header_->field_ids_size_) << GetLocation(); |
Ian Rogers | 9b1a4f4 | 2011-11-14 18:35:10 -0800 | [diff] [blame] | 508 | return &field_id - field_ids_; |
| 509 | } |
| 510 | |
| 511 | // Looks up a field by its declaring class, name and type |
| 512 | const FieldId* FindFieldId(const DexFile::TypeId& declaring_klass, |
| 513 | const DexFile::StringId& name, |
| 514 | const DexFile::TypeId& type) const; |
| 515 | |
Brian Carlstrom | 6b4ef02 | 2011-10-23 14:59:04 -0700 | [diff] [blame] | 516 | // Returns the declaring class descriptor string of a field id. |
| 517 | const char* GetFieldDeclaringClassDescriptor(const FieldId& field_id) const { |
Brian Carlstrom | b9edb84 | 2011-08-28 16:31:06 -0700 | [diff] [blame] | 518 | const DexFile::TypeId& type_id = GetTypeId(field_id.class_idx_); |
| 519 | return GetTypeDescriptor(type_id); |
| 520 | } |
| 521 | |
Brian Carlstrom | 6b4ef02 | 2011-10-23 14:59:04 -0700 | [diff] [blame] | 522 | // Returns the class descriptor string of a field id. |
| 523 | const char* GetFieldTypeDescriptor(const FieldId& field_id) const { |
| 524 | const DexFile::TypeId& type_id = GetTypeId(field_id.type_idx_); |
| 525 | return GetTypeDescriptor(type_id); |
| 526 | } |
| 527 | |
Brian Carlstrom | b9edb84 | 2011-08-28 16:31:06 -0700 | [diff] [blame] | 528 | // Returns the name of a field id. |
| 529 | const char* GetFieldName(const FieldId& field_id) const { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 530 | return StringDataByIdx(field_id.name_idx_); |
Brian Carlstrom | b9edb84 | 2011-08-28 16:31:06 -0700 | [diff] [blame] | 531 | } |
| 532 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 533 | // Returns the number of method identifiers in the .dex file. |
| 534 | size_t NumMethodIds() const { |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 535 | DCHECK(header_ != NULL) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 536 | return header_->method_ids_size_; |
| 537 | } |
| 538 | |
| 539 | // Returns the MethodId at the specified index. |
| 540 | const MethodId& GetMethodId(uint32_t idx) const { |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 541 | DCHECK_LT(idx, NumMethodIds()) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 542 | return method_ids_[idx]; |
| 543 | } |
| 544 | |
| 545 | uint32_t GetIndexForMethodId(const MethodId& method_id) const { |
Brian Carlstrom | 61e513c | 2011-12-09 15:30:06 -0800 | [diff] [blame] | 546 | CHECK_GE(&method_id, method_ids_) << GetLocation(); |
| 547 | CHECK_LT(&method_id, method_ids_ + header_->method_ids_size_) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 548 | return &method_id - method_ids_; |
| 549 | } |
| 550 | |
Ian Rogers | 9b1a4f4 | 2011-11-14 18:35:10 -0800 | [diff] [blame] | 551 | // Looks up a method by its declaring class, name and proto_id |
| 552 | const MethodId* FindMethodId(const DexFile::TypeId& declaring_klass, |
| 553 | const DexFile::StringId& name, |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 554 | const DexFile::ProtoId& signature) const; |
| 555 | |
Brian Carlstrom | 6b4ef02 | 2011-10-23 14:59:04 -0700 | [diff] [blame] | 556 | // Returns the declaring class descriptor string of a method id. |
| 557 | const char* GetMethodDeclaringClassDescriptor(const MethodId& method_id) const { |
Brian Carlstrom | 7540ff4 | 2011-09-04 16:38:46 -0700 | [diff] [blame] | 558 | const DexFile::TypeId& type_id = GetTypeId(method_id.class_idx_); |
| 559 | return GetTypeDescriptor(type_id); |
| 560 | } |
| 561 | |
jeffhao | 98eacac | 2011-09-14 16:11:53 -0700 | [diff] [blame] | 562 | // Returns the prototype of a method id. |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 563 | const ProtoId& GetMethodPrototype(const MethodId& method_id) const { |
| 564 | return GetProtoId(method_id.proto_idx_); |
| 565 | } |
| 566 | |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 567 | // Returns a representation of the signature of a method id. |
| 568 | const Signature GetMethodSignature(const MethodId& method_id) const; |
jeffhao | 98eacac | 2011-09-14 16:11:53 -0700 | [diff] [blame] | 569 | |
Brian Carlstrom | 7540ff4 | 2011-09-04 16:38:46 -0700 | [diff] [blame] | 570 | // Returns the name of a method id. |
| 571 | const char* GetMethodName(const MethodId& method_id) const { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 572 | return StringDataByIdx(method_id.name_idx_); |
Brian Carlstrom | 7540ff4 | 2011-09-04 16:38:46 -0700 | [diff] [blame] | 573 | } |
| 574 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 575 | // Returns the shorty of a method id. |
| 576 | const char* GetMethodShorty(const MethodId& method_id) const { |
| 577 | return StringDataByIdx(GetProtoId(method_id.proto_idx_).shorty_idx_); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 578 | } |
Elliott Hughes | 45651fd | 2012-02-21 15:48:20 -0800 | [diff] [blame] | 579 | const char* GetMethodShorty(const MethodId& method_id, uint32_t* length) const { |
Ian Rogers | cf5077a | 2013-10-31 12:37:54 -0700 | [diff] [blame] | 580 | // Using the UTF16 length is safe here as shorties are guaranteed to be ASCII characters. |
Ian Rogers | dfb325e | 2013-10-30 01:00:44 -0700 | [diff] [blame] | 581 | return StringDataAndUtf16LengthByIdx(GetProtoId(method_id.proto_idx_).shorty_idx_, length); |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 582 | } |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 583 | // Returns the number of class definitions in the .dex file. |
| 584 | size_t NumClassDefs() const { |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 585 | DCHECK(header_ != NULL) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 586 | return header_->class_defs_size_; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 587 | } |
| 588 | |
| 589 | // Returns the ClassDef at the specified index. |
Ian Rogers | 8b2c0b9 | 2013-09-19 02:56:49 -0700 | [diff] [blame] | 590 | const ClassDef& GetClassDef(uint16_t idx) const { |
Sebastien Hertz | b24bd99 | 2013-08-02 15:19:09 +0200 | [diff] [blame] | 591 | DCHECK_LT(idx, NumClassDefs()) << GetLocation(); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 592 | return class_defs_[idx]; |
| 593 | } |
| 594 | |
Ian Rogers | 8b2c0b9 | 2013-09-19 02:56:49 -0700 | [diff] [blame] | 595 | uint16_t GetIndexForClassDef(const ClassDef& class_def) const { |
Brian Carlstrom | 61e513c | 2011-12-09 15:30:06 -0800 | [diff] [blame] | 596 | CHECK_GE(&class_def, class_defs_) << GetLocation(); |
| 597 | CHECK_LT(&class_def, class_defs_ + header_->class_defs_size_) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 598 | return &class_def - class_defs_; |
| 599 | } |
| 600 | |
| 601 | // Returns the class descriptor string of a class definition. |
| 602 | const char* GetClassDescriptor(const ClassDef& class_def) const { |
| 603 | return StringByTypeIdx(class_def.class_idx_); |
| 604 | } |
| 605 | |
| 606 | // Looks up a class definition by its class descriptor. |
Ian Rogers | 8b2c0b9 | 2013-09-19 02:56:49 -0700 | [diff] [blame] | 607 | const ClassDef* FindClassDef(const char* descriptor) const; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 608 | |
Ian Rogers | 8b2c0b9 | 2013-09-19 02:56:49 -0700 | [diff] [blame] | 609 | // Looks up a class definition by its type index. |
| 610 | const ClassDef* FindClassDef(uint16_t type_idx) const; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 611 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 612 | const TypeList* GetInterfacesList(const ClassDef& class_def) const { |
| 613 | if (class_def.interfaces_off_ == 0) { |
| 614 | return NULL; |
| 615 | } else { |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 616 | const byte* addr = begin_ + class_def.interfaces_off_; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 617 | return reinterpret_cast<const TypeList*>(addr); |
| 618 | } |
| 619 | } |
| 620 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 621 | // Returns a pointer to the raw memory mapped class_data_item |
| 622 | const byte* GetClassData(const ClassDef& class_def) const { |
| 623 | if (class_def.class_data_off_ == 0) { |
| 624 | return NULL; |
| 625 | } else { |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 626 | return begin_ + class_def.class_data_off_; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 627 | } |
Shih-wei Liao | 2fb9753 | 2011-08-11 16:17:23 -0700 | [diff] [blame] | 628 | } |
| 629 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 630 | // |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 631 | const CodeItem* GetCodeItem(const uint32_t code_off) const { |
| 632 | if (code_off == 0) { |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 633 | return NULL; // native or abstract method |
| 634 | } else { |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 635 | const byte* addr = begin_ + code_off; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 636 | return reinterpret_cast<const CodeItem*>(addr); |
| 637 | } |
| 638 | } |
| 639 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 640 | const char* GetReturnTypeDescriptor(const ProtoId& proto_id) const { |
| 641 | return StringByTypeIdx(proto_id.return_type_idx_); |
| 642 | } |
| 643 | |
| 644 | // Returns the number of prototype identifiers in the .dex file. |
| 645 | size_t NumProtoIds() const { |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 646 | DCHECK(header_ != NULL) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 647 | return header_->proto_ids_size_; |
| 648 | } |
| 649 | |
| 650 | // Returns the ProtoId at the specified index. |
| 651 | const ProtoId& GetProtoId(uint32_t idx) const { |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 652 | DCHECK_LT(idx, NumProtoIds()) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 653 | return proto_ids_[idx]; |
| 654 | } |
| 655 | |
| 656 | uint16_t GetIndexForProtoId(const ProtoId& proto_id) const { |
Brian Carlstrom | 61e513c | 2011-12-09 15:30:06 -0800 | [diff] [blame] | 657 | CHECK_GE(&proto_id, proto_ids_) << GetLocation(); |
| 658 | CHECK_LT(&proto_id, proto_ids_ + header_->proto_ids_size_) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 659 | return &proto_id - proto_ids_; |
| 660 | } |
| 661 | |
| 662 | // Looks up a proto id for a given return type and signature type list |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 663 | const ProtoId* FindProtoId(uint16_t return_type_idx, |
Vladimir Marko | 5c96e6b | 2013-11-14 15:34:17 +0000 | [diff] [blame] | 664 | const uint16_t* signature_type_idxs, uint32_t signature_length) const; |
| 665 | const ProtoId* FindProtoId(uint16_t return_type_idx, |
| 666 | const std::vector<uint16_t>& signature_type_idxs) const { |
| 667 | return FindProtoId(return_type_idx, &signature_type_idxs[0], signature_type_idxs.size()); |
| 668 | } |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 669 | |
| 670 | // Given a signature place the type ids into the given vector, returns true on success |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 671 | bool CreateTypeList(const StringPiece& signature, uint16_t* return_type_idx, |
| 672 | std::vector<uint16_t>* param_type_idxs) const; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 673 | |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 674 | // Create a Signature from the given string signature or return Signature::NoSignature if not |
| 675 | // possible. |
| 676 | const Signature CreateSignature(const StringPiece& signature) const; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 677 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 678 | // Returns the short form method descriptor for the given prototype. |
| 679 | const char* GetShorty(uint32_t proto_idx) const { |
| 680 | const ProtoId& proto_id = GetProtoId(proto_idx); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 681 | return StringDataByIdx(proto_id.shorty_idx_); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 682 | } |
| 683 | |
| 684 | const TypeList* GetProtoParameters(const ProtoId& proto_id) const { |
| 685 | if (proto_id.parameters_off_ == 0) { |
| 686 | return NULL; |
| 687 | } else { |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 688 | const byte* addr = begin_ + proto_id.parameters_off_; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 689 | return reinterpret_cast<const TypeList*>(addr); |
| 690 | } |
| 691 | } |
| 692 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 693 | const byte* GetEncodedStaticFieldValuesArray(const ClassDef& class_def) const { |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 694 | if (class_def.static_values_off_ == 0) { |
| 695 | return 0; |
| 696 | } else { |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 697 | return begin_ + class_def.static_values_off_; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 698 | } |
| 699 | } |
| 700 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 701 | static const TryItem* GetTryItems(const CodeItem& code_item, uint32_t offset); |
Shih-wei Liao | 2fb9753 | 2011-08-11 16:17:23 -0700 | [diff] [blame] | 702 | |
| 703 | // Get the base of the encoded data for the given DexCode. |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 704 | static const byte* GetCatchHandlerData(const CodeItem& code_item, uint32_t offset) { |
| 705 | const byte* handler_data = |
| 706 | reinterpret_cast<const byte*>(GetTryItems(code_item, code_item.tries_size_)); |
Shih-wei Liao | 2fb9753 | 2011-08-11 16:17:23 -0700 | [diff] [blame] | 707 | return handler_data + offset; |
| 708 | } |
| 709 | |
Ian Rogers | dbbc99d | 2013-04-18 16:51:54 -0700 | [diff] [blame] | 710 | // Find which try region is associated with the given address (ie dex pc). Returns -1 if none. |
| 711 | static int32_t FindTryItem(const CodeItem &code_item, uint32_t address); |
| 712 | |
| 713 | // Find the handler offset associated with the given address (ie dex pc). Returns -1 if none. |
| 714 | static int32_t FindCatchHandlerOffset(const CodeItem &code_item, uint32_t address); |
Shih-wei Liao | 2fb9753 | 2011-08-11 16:17:23 -0700 | [diff] [blame] | 715 | |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 716 | // Get the pointer to the start of the debugging data |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 717 | const byte* GetDebugInfoStream(const CodeItem* code_item) const { |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 718 | if (code_item->debug_info_off_ == 0) { |
| 719 | return NULL; |
| 720 | } else { |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 721 | return begin_ + code_item->debug_info_off_; |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 722 | } |
| 723 | } |
| 724 | |
| 725 | // Callback for "new position table entry". |
| 726 | // Returning true causes the decoder to stop early. |
Elliott Hughes | 2435a57 | 2012-02-17 16:07:41 -0800 | [diff] [blame] | 727 | typedef bool (*DexDebugNewPositionCb)(void* context, uint32_t address, uint32_t line_num); |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 728 | |
| 729 | // Callback for "new locals table entry". "signature" is an empty string |
| 730 | // if no signature is available for an entry. |
Elliott Hughes | 2435a57 | 2012-02-17 16:07:41 -0800 | [diff] [blame] | 731 | typedef void (*DexDebugNewLocalCb)(void* context, uint16_t reg, |
Elliott Hughes | 24edeb5 | 2012-06-18 15:29:46 -0700 | [diff] [blame] | 732 | uint32_t start_address, |
| 733 | uint32_t end_address, |
Brian Carlstrom | 40381fb | 2011-10-19 14:13:40 -0700 | [diff] [blame] | 734 | const char* name, |
| 735 | const char* descriptor, |
| 736 | const char* signature); |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 737 | |
Elliott Hughes | 2435a57 | 2012-02-17 16:07:41 -0800 | [diff] [blame] | 738 | static bool LineNumForPcCb(void* context, uint32_t address, uint32_t line_num); |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 739 | |
| 740 | // Debug info opcodes and constants |
| 741 | enum { |
| 742 | DBG_END_SEQUENCE = 0x00, |
| 743 | DBG_ADVANCE_PC = 0x01, |
| 744 | DBG_ADVANCE_LINE = 0x02, |
| 745 | DBG_START_LOCAL = 0x03, |
| 746 | DBG_START_LOCAL_EXTENDED = 0x04, |
| 747 | DBG_END_LOCAL = 0x05, |
| 748 | DBG_RESTART_LOCAL = 0x06, |
| 749 | DBG_SET_PROLOGUE_END = 0x07, |
| 750 | DBG_SET_EPILOGUE_BEGIN = 0x08, |
| 751 | DBG_SET_FILE = 0x09, |
| 752 | DBG_FIRST_SPECIAL = 0x0a, |
| 753 | DBG_LINE_BASE = -4, |
| 754 | DBG_LINE_RANGE = 15, |
| 755 | }; |
| 756 | |
| 757 | struct LocalInfo { |
Ian Rogers | ca19066 | 2012-06-26 15:45:57 -0700 | [diff] [blame] | 758 | LocalInfo() |
| 759 | : name_(NULL), descriptor_(NULL), signature_(NULL), start_address_(0), is_live_(false) {} |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 760 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 761 | const char* name_; // E.g., list |
| 762 | const char* descriptor_; // E.g., Ljava/util/LinkedList; |
| 763 | const char* signature_; // E.g., java.util.LinkedList<java.lang.Integer> |
| 764 | uint16_t start_address_; // PC location where the local is first defined. |
| 765 | bool is_live_; // Is the local defined and live. |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 766 | |
| 767 | private: |
| 768 | DISALLOW_COPY_AND_ASSIGN(LocalInfo); |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 769 | }; |
| 770 | |
| 771 | struct LineNumFromPcContext { |
Ian Rogers | ca19066 | 2012-06-26 15:45:57 -0700 | [diff] [blame] | 772 | LineNumFromPcContext(uint32_t address, uint32_t line_num) |
| 773 | : address_(address), line_num_(line_num) {} |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 774 | uint32_t address_; |
| 775 | uint32_t line_num_; |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 776 | private: |
| 777 | DISALLOW_COPY_AND_ASSIGN(LineNumFromPcContext); |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 778 | }; |
| 779 | |
Elliott Hughes | 2435a57 | 2012-02-17 16:07:41 -0800 | [diff] [blame] | 780 | void InvokeLocalCbIfLive(void* context, int reg, uint32_t end_address, |
Brian Carlstrom | 78128a6 | 2011-09-15 17:21:19 -0700 | [diff] [blame] | 781 | LocalInfo* local_in_reg, DexDebugNewLocalCb local_cb) const { |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 782 | if (local_cb != NULL && local_in_reg[reg].is_live_) { |
Elliott Hughes | 2435a57 | 2012-02-17 16:07:41 -0800 | [diff] [blame] | 783 | local_cb(context, reg, local_in_reg[reg].start_address_, end_address, |
Elliott Hughes | dbb4079 | 2011-11-18 17:05:22 -0800 | [diff] [blame] | 784 | local_in_reg[reg].name_, local_in_reg[reg].descriptor_, |
| 785 | local_in_reg[reg].signature_ != NULL ? local_in_reg[reg].signature_ : ""); |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 786 | } |
| 787 | } |
| 788 | |
| 789 | // Determine the source file line number based on the program counter. |
| 790 | // "pc" is an offset, in 16-bit units, from the start of the method's code. |
| 791 | // |
| 792 | // Returns -1 if no match was found (possibly because the source files were |
| 793 | // compiled without "-g", so no line number information is present). |
| 794 | // Returns -2 for native methods (as expected in exception traces). |
| 795 | // |
| 796 | // This is used by runtime; therefore use art::Method not art::DexFile::Method. |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 797 | int32_t GetLineNumFromPC(const mirror::ArtMethod* method, uint32_t rel_pc) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 798 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 799 | |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 800 | void DecodeDebugInfo(const CodeItem* code_item, bool is_static, uint32_t method_idx, |
Elliott Hughes | 2435a57 | 2012-02-17 16:07:41 -0800 | [diff] [blame] | 801 | DexDebugNewPositionCb position_cb, DexDebugNewLocalCb local_cb, |
| 802 | void* context) const; |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 803 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 804 | const char* GetSourceFile(const ClassDef& class_def) const { |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 805 | if (class_def.source_file_idx_ == 0xffffffff) { |
| 806 | return NULL; |
| 807 | } else { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 808 | return StringDataByIdx(class_def.source_file_idx_); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 809 | } |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 810 | } |
| 811 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 812 | int GetPermissions() const; |
Ian Rogers | 1c849e5 | 2012-06-28 14:00:33 -0700 | [diff] [blame] | 813 | |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 814 | bool IsReadOnly() const; |
| 815 | |
Brian Carlstrom | e0948e1 | 2013-08-29 09:36:15 -0700 | [diff] [blame] | 816 | bool EnableWrite() const; |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 817 | |
Brian Carlstrom | e0948e1 | 2013-08-29 09:36:15 -0700 | [diff] [blame] | 818 | bool DisableWrite() const; |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 819 | |
Ian Rogers | 8b2c0b9 | 2013-09-19 02:56:49 -0700 | [diff] [blame] | 820 | const byte* Begin() const { |
| 821 | return begin_; |
| 822 | } |
| 823 | |
| 824 | size_t Size() const { |
| 825 | return size_; |
| 826 | } |
| 827 | |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 828 | private: |
Brian Carlstrom | 58ae941 | 2011-10-04 00:56:06 -0700 | [diff] [blame] | 829 | // Opens a .dex file |
Ian Rogers | 8d31bbd | 2013-10-13 10:44:14 -0700 | [diff] [blame] | 830 | static const DexFile* OpenFile(int fd, const char* location, bool verify, std::string* error_msg); |
Brian Carlstrom | 58ae941 | 2011-10-04 00:56:06 -0700 | [diff] [blame] | 831 | |
| 832 | // Opens a dex file from within a .jar, .zip, or .apk file |
Ian Rogers | 8d31bbd | 2013-10-13 10:44:14 -0700 | [diff] [blame] | 833 | static const DexFile* OpenZip(int fd, const std::string& location, std::string* error_msg); |
Brian Carlstrom | 58ae941 | 2011-10-04 00:56:06 -0700 | [diff] [blame] | 834 | |
Brian Carlstrom | 8952189 | 2011-12-07 22:05:07 -0800 | [diff] [blame] | 835 | // Opens a .dex file at the given address backed by a MemMap |
| 836 | static const DexFile* OpenMemory(const std::string& location, |
Brian Carlstrom | 5b332c8 | 2012-02-01 15:02:31 -0800 | [diff] [blame] | 837 | uint32_t location_checksum, |
Ian Rogers | 8d31bbd | 2013-10-13 10:44:14 -0700 | [diff] [blame] | 838 | MemMap* mem_map, |
| 839 | std::string* error_msg); |
Brian Carlstrom | 8952189 | 2011-12-07 22:05:07 -0800 | [diff] [blame] | 840 | |
| 841 | // Opens a .dex file at the given address, optionally backed by a MemMap |
Brian Carlstrom | 58ae941 | 2011-10-04 00:56:06 -0700 | [diff] [blame] | 842 | static const DexFile* OpenMemory(const byte* dex_file, |
jeffhao | f6174e8 | 2012-01-31 16:14:17 -0800 | [diff] [blame] | 843 | size_t size, |
Brian Carlstrom | 58ae941 | 2011-10-04 00:56:06 -0700 | [diff] [blame] | 844 | const std::string& location, |
Brian Carlstrom | 5b332c8 | 2012-02-01 15:02:31 -0800 | [diff] [blame] | 845 | uint32_t location_checksum, |
Ian Rogers | 8d31bbd | 2013-10-13 10:44:14 -0700 | [diff] [blame] | 846 | MemMap* mem_map, |
| 847 | std::string* error_msg); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 848 | |
Brian Carlstrom | 5b332c8 | 2012-02-01 15:02:31 -0800 | [diff] [blame] | 849 | DexFile(const byte* base, size_t size, |
Brian Carlstrom | 28db012 | 2012-10-18 16:20:41 -0700 | [diff] [blame] | 850 | const std::string& location, |
| 851 | uint32_t location_checksum, |
Brian Carlstrom | 5b332c8 | 2012-02-01 15:02:31 -0800 | [diff] [blame] | 852 | MemMap* mem_map) |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 853 | : begin_(base), |
jeffhao | f6174e8 | 2012-01-31 16:14:17 -0800 | [diff] [blame] | 854 | size_(size), |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 855 | location_(location), |
Brian Carlstrom | 5b332c8 | 2012-02-01 15:02:31 -0800 | [diff] [blame] | 856 | location_checksum_(location_checksum), |
Brian Carlstrom | 33f741e | 2011-10-03 11:24:05 -0700 | [diff] [blame] | 857 | mem_map_(mem_map), |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 858 | modification_lock("DEX modification lock"), |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 859 | header_(0), |
| 860 | string_ids_(0), |
| 861 | type_ids_(0), |
| 862 | field_ids_(0), |
| 863 | method_ids_(0), |
| 864 | proto_ids_(0), |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 865 | class_defs_(0) { |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 866 | CHECK(begin_ != NULL) << GetLocation(); |
jeffhao | f6174e8 | 2012-01-31 16:14:17 -0800 | [diff] [blame] | 867 | CHECK_GT(size_, 0U) << GetLocation(); |
| 868 | } |
| 869 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 870 | // Top-level initializer that calls other Init methods. |
Ian Rogers | 8d31bbd | 2013-10-13 10:44:14 -0700 | [diff] [blame] | 871 | bool Init(std::string* error_msg); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 872 | |
| 873 | // Caches pointers into to the various file sections. |
| 874 | void InitMembers(); |
| 875 | |
Brian Carlstrom | 6e3b1d9 | 2012-01-11 01:36:32 -0800 | [diff] [blame] | 876 | // Returns true if the header magic and version numbers are of the expected values. |
Ian Rogers | 8d31bbd | 2013-10-13 10:44:14 -0700 | [diff] [blame] | 877 | bool CheckMagicAndVersion(std::string* error_msg) const; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 878 | |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 879 | void DecodeDebugInfo0(const CodeItem* code_item, bool is_static, uint32_t method_idx, |
Elliott Hughes | 2435a57 | 2012-02-17 16:07:41 -0800 | [diff] [blame] | 880 | DexDebugNewPositionCb position_cb, DexDebugNewLocalCb local_cb, |
| 881 | void* context, const byte* stream, LocalInfo* local_in_reg) const; |
Elliott Hughes | 03181a8 | 2011-11-17 17:22:21 -0800 | [diff] [blame] | 882 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 883 | // The base address of the memory mapping. |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 884 | const byte* const begin_; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 885 | |
| 886 | // The size of the underlying memory allocation in bytes. |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 887 | const size_t size_; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 888 | |
Elliott Hughes | 64bf5a3 | 2011-09-20 14:43:12 -0700 | [diff] [blame] | 889 | // Typically the dex file name when available, alternatively some identifying string. |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 890 | // |
| 891 | // The ClassLinker will use this to match DexFiles the boot class |
| 892 | // path to DexCache::GetLocation when loading from an image. |
| 893 | const std::string location_; |
| 894 | |
Brian Carlstrom | 5b332c8 | 2012-02-01 15:02:31 -0800 | [diff] [blame] | 895 | const uint32_t location_checksum_; |
| 896 | |
Brian Carlstrom | 33f741e | 2011-10-03 11:24:05 -0700 | [diff] [blame] | 897 | // Manages the underlying memory allocation. |
| 898 | UniquePtr<MemMap> mem_map_; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 899 | |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 900 | // The DEX-to-DEX compiler uses this lock to ensure thread safety when |
| 901 | // enabling write access to a read-only DEX file. |
| 902 | // TODO: move to Locks::dex_file_modification_lock. |
| 903 | Mutex modification_lock; |
| 904 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 905 | // Points to the header section. |
| 906 | const Header* header_; |
| 907 | |
| 908 | // Points to the base of the string identifier list. |
| 909 | const StringId* string_ids_; |
| 910 | |
| 911 | // Points to the base of the type identifier list. |
| 912 | const TypeId* type_ids_; |
| 913 | |
| 914 | // Points to the base of the field identifier list. |
| 915 | const FieldId* field_ids_; |
| 916 | |
| 917 | // Points to the base of the method identifier list. |
| 918 | const MethodId* method_ids_; |
| 919 | |
| 920 | // Points to the base of the prototype identifier list. |
| 921 | const ProtoId* proto_ids_; |
| 922 | |
| 923 | // Points to the base of the class definition list. |
| 924 | const ClassDef* class_defs_; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 925 | }; |
| 926 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 927 | // Iterate over a dex file's ProtoId's paramters |
| 928 | class DexFileParameterIterator { |
| 929 | public: |
| 930 | DexFileParameterIterator(const DexFile& dex_file, const DexFile::ProtoId& proto_id) |
| 931 | : dex_file_(dex_file), size_(0), pos_(0) { |
| 932 | type_list_ = dex_file_.GetProtoParameters(proto_id); |
| 933 | if (type_list_ != NULL) { |
| 934 | size_ = type_list_->Size(); |
| 935 | } |
| 936 | } |
| 937 | bool HasNext() const { return pos_ < size_; } |
| 938 | void Next() { ++pos_; } |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 939 | uint16_t GetTypeIdx() { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 940 | return type_list_->GetTypeItem(pos_).type_idx_; |
| 941 | } |
| 942 | const char* GetDescriptor() { |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 943 | return dex_file_.StringByTypeIdx(GetTypeIdx()); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 944 | } |
| 945 | private: |
| 946 | const DexFile& dex_file_; |
| 947 | const DexFile::TypeList* type_list_; |
| 948 | uint32_t size_; |
| 949 | uint32_t pos_; |
| 950 | DISALLOW_IMPLICIT_CONSTRUCTORS(DexFileParameterIterator); |
| 951 | }; |
| 952 | |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 953 | // Abstract the signature of a method. |
| 954 | class Signature { |
| 955 | public: |
| 956 | std::string ToString() const; |
| 957 | |
| 958 | static Signature NoSignature() { |
| 959 | return Signature(); |
| 960 | } |
| 961 | |
Ian Rogers | dfb325e | 2013-10-30 01:00:44 -0700 | [diff] [blame] | 962 | bool operator==(const Signature& rhs) const; |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 963 | bool operator!=(const Signature& rhs) const { |
| 964 | return !(*this == rhs); |
| 965 | } |
| 966 | |
Vladimir Marko | d9cffea | 2013-11-25 15:08:02 +0000 | [diff] [blame] | 967 | bool operator==(const StringPiece& rhs) const; |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 968 | |
| 969 | private: |
| 970 | Signature(const DexFile* dex, const DexFile::ProtoId& proto) : dex_file_(dex), proto_id_(&proto) { |
| 971 | } |
| 972 | |
| 973 | Signature() : dex_file_(nullptr), proto_id_(nullptr) { |
| 974 | } |
| 975 | |
| 976 | friend class DexFile; |
| 977 | |
| 978 | const DexFile* const dex_file_; |
| 979 | const DexFile::ProtoId* const proto_id_; |
| 980 | }; |
| 981 | std::ostream& operator<<(std::ostream& os, const Signature& sig); |
| 982 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 983 | // Iterate and decode class_data_item |
| 984 | class ClassDataItemIterator { |
| 985 | public: |
| 986 | ClassDataItemIterator(const DexFile& dex_file, const byte* raw_class_data_item) |
| 987 | : dex_file_(dex_file), pos_(0), ptr_pos_(raw_class_data_item), last_idx_(0) { |
| 988 | ReadClassDataHeader(); |
| 989 | if (EndOfInstanceFieldsPos() > 0) { |
| 990 | ReadClassDataField(); |
| 991 | } else if (EndOfVirtualMethodsPos() > 0) { |
| 992 | ReadClassDataMethod(); |
| 993 | } |
| 994 | } |
| 995 | uint32_t NumStaticFields() const { |
| 996 | return header_.static_fields_size_; |
| 997 | } |
| 998 | uint32_t NumInstanceFields() const { |
| 999 | return header_.instance_fields_size_; |
| 1000 | } |
| 1001 | uint32_t NumDirectMethods() const { |
| 1002 | return header_.direct_methods_size_; |
| 1003 | } |
| 1004 | uint32_t NumVirtualMethods() const { |
| 1005 | return header_.virtual_methods_size_; |
| 1006 | } |
| 1007 | bool HasNextStaticField() const { |
| 1008 | return pos_ < EndOfStaticFieldsPos(); |
| 1009 | } |
| 1010 | bool HasNextInstanceField() const { |
| 1011 | return pos_ >= EndOfStaticFieldsPos() && pos_ < EndOfInstanceFieldsPos(); |
| 1012 | } |
| 1013 | bool HasNextDirectMethod() const { |
| 1014 | return pos_ >= EndOfInstanceFieldsPos() && pos_ < EndOfDirectMethodsPos(); |
| 1015 | } |
| 1016 | bool HasNextVirtualMethod() const { |
| 1017 | return pos_ >= EndOfDirectMethodsPos() && pos_ < EndOfVirtualMethodsPos(); |
| 1018 | } |
| 1019 | bool HasNext() const { |
| 1020 | return pos_ < EndOfVirtualMethodsPos(); |
| 1021 | } |
Ian Rogers | 637c65b | 2013-05-31 11:46:00 -0700 | [diff] [blame] | 1022 | inline void Next() { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1023 | pos_++; |
| 1024 | if (pos_ < EndOfStaticFieldsPos()) { |
| 1025 | last_idx_ = GetMemberIndex(); |
| 1026 | ReadClassDataField(); |
| 1027 | } else if (pos_ == EndOfStaticFieldsPos() && NumInstanceFields() > 0) { |
| 1028 | last_idx_ = 0; // transition to next array, reset last index |
| 1029 | ReadClassDataField(); |
| 1030 | } else if (pos_ < EndOfInstanceFieldsPos()) { |
| 1031 | last_idx_ = GetMemberIndex(); |
| 1032 | ReadClassDataField(); |
| 1033 | } else if (pos_ == EndOfInstanceFieldsPos() && NumDirectMethods() > 0) { |
| 1034 | last_idx_ = 0; // transition to next array, reset last index |
| 1035 | ReadClassDataMethod(); |
| 1036 | } else if (pos_ < EndOfDirectMethodsPos()) { |
| 1037 | last_idx_ = GetMemberIndex(); |
| 1038 | ReadClassDataMethod(); |
| 1039 | } else if (pos_ == EndOfDirectMethodsPos() && NumVirtualMethods() > 0) { |
| 1040 | last_idx_ = 0; // transition to next array, reset last index |
| 1041 | ReadClassDataMethod(); |
| 1042 | } else if (pos_ < EndOfVirtualMethodsPos()) { |
| 1043 | last_idx_ = GetMemberIndex(); |
| 1044 | ReadClassDataMethod(); |
| 1045 | } else { |
| 1046 | DCHECK(!HasNext()); |
| 1047 | } |
| 1048 | } |
| 1049 | uint32_t GetMemberIndex() const { |
| 1050 | if (pos_ < EndOfInstanceFieldsPos()) { |
| 1051 | return last_idx_ + field_.field_idx_delta_; |
| 1052 | } else { |
Sebastien Hertz | b24bd99 | 2013-08-02 15:19:09 +0200 | [diff] [blame] | 1053 | DCHECK_LT(pos_, EndOfVirtualMethodsPos()); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1054 | return last_idx_ + method_.method_idx_delta_; |
| 1055 | } |
| 1056 | } |
| 1057 | uint32_t GetMemberAccessFlags() const { |
| 1058 | if (pos_ < EndOfInstanceFieldsPos()) { |
| 1059 | return field_.access_flags_; |
| 1060 | } else { |
Sebastien Hertz | b24bd99 | 2013-08-02 15:19:09 +0200 | [diff] [blame] | 1061 | DCHECK_LT(pos_, EndOfVirtualMethodsPos()); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1062 | return method_.access_flags_; |
| 1063 | } |
| 1064 | } |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 1065 | InvokeType GetMethodInvokeType(const DexFile::ClassDef& class_def) const { |
| 1066 | if (HasNextDirectMethod()) { |
Brian Carlstrom | df62950 | 2013-07-17 22:39:56 -0700 | [diff] [blame] | 1067 | if ((GetMemberAccessFlags() & kAccStatic) != 0) { |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 1068 | return kStatic; |
| 1069 | } else { |
| 1070 | return kDirect; |
| 1071 | } |
| 1072 | } else { |
Sebastien Hertz | b24bd99 | 2013-08-02 15:19:09 +0200 | [diff] [blame] | 1073 | DCHECK_EQ(GetMemberAccessFlags() & kAccStatic, 0U); |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 1074 | if ((class_def.access_flags_ & kAccInterface) != 0) { |
| 1075 | return kInterface; |
| 1076 | } else if ((GetMemberAccessFlags() & kAccConstructor) != 0) { |
| 1077 | return kSuper; |
| 1078 | } else { |
| 1079 | return kVirtual; |
| 1080 | } |
| 1081 | } |
| 1082 | } |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1083 | const DexFile::CodeItem* GetMethodCodeItem() const { |
| 1084 | return dex_file_.GetCodeItem(method_.code_off_); |
| 1085 | } |
| 1086 | uint32_t GetMethodCodeItemOffset() const { |
| 1087 | return method_.code_off_; |
| 1088 | } |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 1089 | const byte* EndDataPointer() const { |
| 1090 | CHECK(!HasNext()); |
| 1091 | return ptr_pos_; |
| 1092 | } |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 1093 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1094 | private: |
| 1095 | // A dex file's class_data_item is leb128 encoded, this structure holds a decoded form of the |
| 1096 | // header for a class_data_item |
| 1097 | struct ClassDataHeader { |
| 1098 | uint32_t static_fields_size_; // the number of static fields |
| 1099 | uint32_t instance_fields_size_; // the number of instance fields |
| 1100 | uint32_t direct_methods_size_; // the number of direct methods |
| 1101 | uint32_t virtual_methods_size_; // the number of virtual methods |
| 1102 | } header_; |
| 1103 | |
| 1104 | // Read and decode header from a class_data_item stream into header |
| 1105 | void ReadClassDataHeader(); |
| 1106 | |
| 1107 | uint32_t EndOfStaticFieldsPos() const { |
| 1108 | return header_.static_fields_size_; |
| 1109 | } |
| 1110 | uint32_t EndOfInstanceFieldsPos() const { |
| 1111 | return EndOfStaticFieldsPos() + header_.instance_fields_size_; |
| 1112 | } |
| 1113 | uint32_t EndOfDirectMethodsPos() const { |
| 1114 | return EndOfInstanceFieldsPos() + header_.direct_methods_size_; |
| 1115 | } |
| 1116 | uint32_t EndOfVirtualMethodsPos() const { |
| 1117 | return EndOfDirectMethodsPos() + header_.virtual_methods_size_; |
| 1118 | } |
| 1119 | |
| 1120 | // A decoded version of the field of a class_data_item |
| 1121 | struct ClassDataField { |
| 1122 | uint32_t field_idx_delta_; // delta of index into the field_ids array for FieldId |
| 1123 | uint32_t access_flags_; // access flags for the field |
| 1124 | ClassDataField() : field_idx_delta_(0), access_flags_(0) {} |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 1125 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1126 | private: |
| 1127 | DISALLOW_COPY_AND_ASSIGN(ClassDataField); |
Elliott Hughes | ee0fa76 | 2012-03-26 17:12:41 -0700 | [diff] [blame] | 1128 | }; |
| 1129 | ClassDataField field_; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1130 | |
| 1131 | // Read and decode a field from a class_data_item stream into field |
| 1132 | void ReadClassDataField(); |
| 1133 | |
| 1134 | // A decoded version of the method of a class_data_item |
| 1135 | struct ClassDataMethod { |
| 1136 | uint32_t method_idx_delta_; // delta of index into the method_ids array for MethodId |
| 1137 | uint32_t access_flags_; |
| 1138 | uint32_t code_off_; |
| 1139 | ClassDataMethod() : method_idx_delta_(0), access_flags_(0), code_off_(0) {} |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 1140 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1141 | private: |
| 1142 | DISALLOW_COPY_AND_ASSIGN(ClassDataMethod); |
Elliott Hughes | ee0fa76 | 2012-03-26 17:12:41 -0700 | [diff] [blame] | 1143 | }; |
| 1144 | ClassDataMethod method_; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1145 | |
| 1146 | // Read and decode a method from a class_data_item stream into method |
| 1147 | void ReadClassDataMethod(); |
| 1148 | |
| 1149 | const DexFile& dex_file_; |
| 1150 | size_t pos_; // integral number of items passed |
| 1151 | const byte* ptr_pos_; // pointer into stream of class_data_item |
| 1152 | uint32_t last_idx_; // last read field or method index to apply delta to |
| 1153 | DISALLOW_IMPLICIT_CONSTRUCTORS(ClassDataItemIterator); |
| 1154 | }; |
| 1155 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1156 | class EncodedStaticFieldValueIterator { |
| 1157 | public: |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 1158 | EncodedStaticFieldValueIterator(const DexFile& dex_file, SirtRef<mirror::DexCache>* dex_cache, |
| 1159 | SirtRef<mirror::ClassLoader>* class_loader, |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1160 | ClassLinker* linker, const DexFile::ClassDef& class_def) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1161 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1162 | |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 1163 | void ReadValueToField(mirror::ArtField* field) const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1164 | |
| 1165 | bool HasNext() { return pos_ < array_size_; } |
| 1166 | |
| 1167 | void Next(); |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 1168 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1169 | enum ValueType { |
| 1170 | kByte = 0x00, |
| 1171 | kShort = 0x02, |
| 1172 | kChar = 0x03, |
| 1173 | kInt = 0x04, |
| 1174 | kLong = 0x06, |
| 1175 | kFloat = 0x10, |
| 1176 | kDouble = 0x11, |
| 1177 | kString = 0x17, |
| 1178 | kType = 0x18, |
| 1179 | kField = 0x19, |
| 1180 | kMethod = 0x1a, |
| 1181 | kEnum = 0x1b, |
| 1182 | kArray = 0x1c, |
| 1183 | kAnnotation = 0x1d, |
| 1184 | kNull = 0x1e, |
| 1185 | kBoolean = 0x1f |
| 1186 | }; |
| 1187 | |
Brian Carlstrom | 88f3654 | 2012-10-16 23:24:21 -0700 | [diff] [blame] | 1188 | private: |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1189 | static const byte kEncodedValueTypeMask = 0x1f; // 0b11111 |
| 1190 | static const byte kEncodedValueArgShift = 5; |
| 1191 | |
| 1192 | const DexFile& dex_file_; |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 1193 | SirtRef<mirror::DexCache>* const dex_cache_; // Dex cache to resolve literal objects. |
| 1194 | SirtRef<mirror::ClassLoader>* const class_loader_; // ClassLoader to resolve types. |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 1195 | ClassLinker* linker_; // Linker to resolve literal objects. |
| 1196 | size_t array_size_; // Size of array. |
| 1197 | size_t pos_; // Current position. |
| 1198 | const byte* ptr_; // Pointer into encoded data array. |
| 1199 | ValueType type_; // Type of current encoded value. |
| 1200 | jvalue jval_; // Value of current encoded value. |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1201 | DISALLOW_IMPLICIT_CONSTRUCTORS(EncodedStaticFieldValueIterator); |
| 1202 | }; |
Brian Carlstrom | 88f3654 | 2012-10-16 23:24:21 -0700 | [diff] [blame] | 1203 | std::ostream& operator<<(std::ostream& os, const EncodedStaticFieldValueIterator::ValueType& code); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1204 | |
| 1205 | class CatchHandlerIterator { |
| 1206 | public: |
| 1207 | CatchHandlerIterator(const DexFile::CodeItem& code_item, uint32_t address); |
Logan Chien | 736df02 | 2012-04-27 16:25:57 +0800 | [diff] [blame] | 1208 | |
| 1209 | CatchHandlerIterator(const DexFile::CodeItem& code_item, |
| 1210 | const DexFile::TryItem& try_item); |
| 1211 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1212 | explicit CatchHandlerIterator(const byte* handler_data) { |
| 1213 | Init(handler_data); |
| 1214 | } |
| 1215 | |
| 1216 | uint16_t GetHandlerTypeIndex() const { |
| 1217 | return handler_.type_idx_; |
| 1218 | } |
| 1219 | uint32_t GetHandlerAddress() const { |
| 1220 | return handler_.address_; |
| 1221 | } |
| 1222 | void Next(); |
| 1223 | bool HasNext() const { |
| 1224 | return remaining_count_ != -1 || catch_all_; |
| 1225 | } |
| 1226 | // End of this set of catch blocks, convenience method to locate next set of catch blocks |
| 1227 | const byte* EndDataPointer() const { |
| 1228 | CHECK(!HasNext()); |
| 1229 | return current_data_; |
| 1230 | } |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 1231 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1232 | private: |
Logan Chien | 736df02 | 2012-04-27 16:25:57 +0800 | [diff] [blame] | 1233 | void Init(const DexFile::CodeItem& code_item, int32_t offset); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1234 | void Init(const byte* handler_data); |
| 1235 | |
| 1236 | struct CatchHandlerItem { |
| 1237 | uint16_t type_idx_; // type index of the caught exception type |
| 1238 | uint32_t address_; // handler address |
| 1239 | } handler_; |
| 1240 | const byte *current_data_; // the current handler in dex file. |
| 1241 | int32_t remaining_count_; // number of handlers not read. |
| 1242 | bool catch_all_; // is there a handler that will catch all exceptions in case |
| 1243 | // that all typed handler does not match. |
| 1244 | }; |
| 1245 | |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1246 | } // namespace art |
| 1247 | |
Brian Carlstrom | fc0e321 | 2013-07-17 14:40:12 -0700 | [diff] [blame] | 1248 | #endif // ART_RUNTIME_DEX_FILE_H_ |