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 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 36 | namespace mirror { |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 37 | class ArtField; |
| 38 | class ArtMethod; |
| 39 | class ClassLoader; |
| 40 | class DexCache; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 41 | } // namespace mirror |
| 42 | class ClassLinker; |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 43 | class Signature; |
Ian Rogers | fc0e94b | 2013-09-23 23:51:32 -0700 | [diff] [blame] | 44 | class StringPiece; |
Brian Carlstrom | a6cc893 | 2012-01-04 14:44:07 -0800 | [diff] [blame] | 45 | class ZipArchive; |
| 46 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 47 | // TODO: move all of the macro functionality into the DexCache class. |
Brian Carlstrom | f615a61 | 2011-07-23 12:50:34 -0700 | [diff] [blame] | 48 | class DexFile { |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 49 | public: |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 50 | static const byte kDexMagic[]; |
| 51 | static const byte kDexMagicVersion[]; |
| 52 | static const size_t kSha1DigestSize = 20; |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 53 | static const uint32_t kDexEndianConstant = 0x12345678; |
Carl Shapiro | 80d4dde | 2011-06-28 16:24:07 -0700 | [diff] [blame] | 54 | |
Brian Carlstrom | b7bbba4 | 2011-10-13 14:58:47 -0700 | [diff] [blame] | 55 | // name of the DexFile entry within a zip archive |
| 56 | static const char* kClassesDex; |
| 57 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 58 | // The value of an invalid index. |
| 59 | static const uint32_t kDexNoIndex = 0xFFFFFFFF; |
| 60 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 61 | // The value of an invalid index. |
| 62 | static const uint16_t kDexNoIndex16 = 0xFFFF; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 63 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 64 | // Raw header_item. |
| 65 | struct Header { |
| 66 | uint8_t magic_[8]; |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 67 | uint32_t checksum_; // See also location_checksum_ |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 68 | uint8_t signature_[kSha1DigestSize]; |
jeffhao | f6174e8 | 2012-01-31 16:14:17 -0800 | [diff] [blame] | 69 | uint32_t file_size_; // size of entire file |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 70 | uint32_t header_size_; // offset to start of next section |
| 71 | uint32_t endian_tag_; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 72 | uint32_t link_size_; // unused |
| 73 | uint32_t link_off_; // unused |
| 74 | uint32_t map_off_; // unused |
| 75 | uint32_t string_ids_size_; // number of StringIds |
| 76 | uint32_t string_ids_off_; // file offset of StringIds array |
| 77 | uint32_t type_ids_size_; // number of TypeIds, we don't support more than 65535 |
| 78 | uint32_t type_ids_off_; // file offset of TypeIds array |
| 79 | uint32_t proto_ids_size_; // number of ProtoIds, we don't support more than 65535 |
| 80 | uint32_t proto_ids_off_; // file offset of ProtoIds array |
| 81 | uint32_t field_ids_size_; // number of FieldIds |
| 82 | uint32_t field_ids_off_; // file offset of FieldIds array |
| 83 | uint32_t method_ids_size_; // number of MethodIds |
| 84 | uint32_t method_ids_off_; // file offset of MethodIds array |
| 85 | uint32_t class_defs_size_; // number of ClassDefs |
| 86 | uint32_t class_defs_off_; // file offset of ClassDef array |
| 87 | uint32_t data_size_; // unused |
| 88 | uint32_t data_off_; // unused |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 89 | |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 90 | private: |
| 91 | DISALLOW_COPY_AND_ASSIGN(Header); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 92 | }; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 93 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 94 | // Map item type codes. |
| 95 | enum { |
| 96 | kDexTypeHeaderItem = 0x0000, |
| 97 | kDexTypeStringIdItem = 0x0001, |
| 98 | kDexTypeTypeIdItem = 0x0002, |
| 99 | kDexTypeProtoIdItem = 0x0003, |
| 100 | kDexTypeFieldIdItem = 0x0004, |
| 101 | kDexTypeMethodIdItem = 0x0005, |
| 102 | kDexTypeClassDefItem = 0x0006, |
| 103 | kDexTypeMapList = 0x1000, |
| 104 | kDexTypeTypeList = 0x1001, |
| 105 | kDexTypeAnnotationSetRefList = 0x1002, |
| 106 | kDexTypeAnnotationSetItem = 0x1003, |
| 107 | kDexTypeClassDataItem = 0x2000, |
| 108 | kDexTypeCodeItem = 0x2001, |
| 109 | kDexTypeStringDataItem = 0x2002, |
| 110 | kDexTypeDebugInfoItem = 0x2003, |
| 111 | kDexTypeAnnotationItem = 0x2004, |
| 112 | kDexTypeEncodedArrayItem = 0x2005, |
| 113 | kDexTypeAnnotationsDirectoryItem = 0x2006, |
| 114 | }; |
| 115 | |
| 116 | struct MapItem { |
| 117 | uint16_t type_; |
| 118 | uint16_t unused_; |
| 119 | uint32_t size_; |
| 120 | uint32_t offset_; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 121 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 122 | private: |
| 123 | DISALLOW_COPY_AND_ASSIGN(MapItem); |
| 124 | }; |
| 125 | |
| 126 | struct MapList { |
| 127 | uint32_t size_; |
| 128 | MapItem list_[1]; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 129 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 130 | private: |
| 131 | DISALLOW_COPY_AND_ASSIGN(MapList); |
| 132 | }; |
| 133 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 134 | // Raw string_id_item. |
| 135 | struct StringId { |
| 136 | uint32_t string_data_off_; // offset in bytes from the base address |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 137 | |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 138 | private: |
| 139 | DISALLOW_COPY_AND_ASSIGN(StringId); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 140 | }; |
| 141 | |
| 142 | // Raw type_id_item. |
| 143 | struct TypeId { |
| 144 | uint32_t descriptor_idx_; // index into string_ids |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 145 | |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 146 | private: |
| 147 | DISALLOW_COPY_AND_ASSIGN(TypeId); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 148 | }; |
| 149 | |
| 150 | // Raw field_id_item. |
| 151 | struct FieldId { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 152 | uint16_t class_idx_; // index into type_ids_ array for defining class |
| 153 | uint16_t type_idx_; // index into type_ids_ array for field type |
| 154 | uint32_t name_idx_; // index into string_ids_ array for field name |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 155 | |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 156 | private: |
| 157 | DISALLOW_COPY_AND_ASSIGN(FieldId); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 158 | }; |
| 159 | |
| 160 | // Raw method_id_item. |
| 161 | struct MethodId { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 162 | uint16_t class_idx_; // index into type_ids_ array for defining class |
| 163 | uint16_t proto_idx_; // index into proto_ids_ array for method prototype |
| 164 | uint32_t name_idx_; // index into string_ids_ array for method name |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 165 | |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 166 | private: |
| 167 | DISALLOW_COPY_AND_ASSIGN(MethodId); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 168 | }; |
| 169 | |
| 170 | // Raw proto_id_item. |
| 171 | struct ProtoId { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 172 | uint32_t shorty_idx_; // index into string_ids array for shorty descriptor |
| 173 | uint16_t return_type_idx_; // index into type_ids array for return type |
| 174 | uint16_t pad_; // padding = 0 |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 175 | uint32_t parameters_off_; // file offset to type_list for parameter types |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 176 | |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 177 | private: |
| 178 | DISALLOW_COPY_AND_ASSIGN(ProtoId); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 179 | }; |
| 180 | |
| 181 | // Raw class_def_item. |
| 182 | struct ClassDef { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 183 | uint16_t class_idx_; // index into type_ids_ array for this class |
| 184 | uint16_t pad1_; // padding = 0 |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 185 | uint32_t access_flags_; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 186 | uint16_t superclass_idx_; // index into type_ids_ array for superclass |
| 187 | uint16_t pad2_; // padding = 0 |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 188 | uint32_t interfaces_off_; // file offset to TypeList |
Brian Carlstrom | 4a96b60 | 2011-07-26 16:40:23 -0700 | [diff] [blame] | 189 | 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] | 190 | uint32_t annotations_off_; // file offset to annotations_directory_item |
| 191 | uint32_t class_data_off_; // file offset to class_data_item |
| 192 | uint32_t static_values_off_; // file offset to EncodedArray |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 193 | |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 194 | private: |
| 195 | DISALLOW_COPY_AND_ASSIGN(ClassDef); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 196 | }; |
| 197 | |
| 198 | // Raw type_item. |
| 199 | struct TypeItem { |
| 200 | uint16_t type_idx_; // index into type_ids section |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 201 | |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 202 | private: |
| 203 | DISALLOW_COPY_AND_ASSIGN(TypeItem); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 204 | }; |
| 205 | |
| 206 | // Raw type_list. |
| 207 | class TypeList { |
| 208 | public: |
| 209 | uint32_t Size() const { |
| 210 | return size_; |
| 211 | } |
| 212 | |
| 213 | const TypeItem& GetTypeItem(uint32_t idx) const { |
Sebastien Hertz | b24bd99 | 2013-08-02 15:19:09 +0200 | [diff] [blame] | 214 | DCHECK_LT(idx, this->size_); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 215 | return this->list_[idx]; |
| 216 | } |
| 217 | |
| 218 | private: |
| 219 | uint32_t size_; // size of the list, in entries |
| 220 | TypeItem list_[1]; // elements of the list |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 221 | DISALLOW_COPY_AND_ASSIGN(TypeList); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 222 | }; |
| 223 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 224 | // Raw code_item. |
| 225 | struct CodeItem { |
| 226 | uint16_t registers_size_; |
| 227 | uint16_t ins_size_; |
| 228 | uint16_t outs_size_; |
| 229 | uint16_t tries_size_; |
| 230 | uint32_t debug_info_off_; // file offset to debug info stream |
Ian Rogers | d81871c | 2011-10-03 13:57:23 -0700 | [diff] [blame] | 231 | 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] | 232 | uint16_t insns_[1]; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 233 | |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 234 | private: |
| 235 | DISALLOW_COPY_AND_ASSIGN(CodeItem); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 236 | }; |
| 237 | |
Carl Shapiro | 2eaa968 | 2011-08-04 19:26:11 -0700 | [diff] [blame] | 238 | // Raw try_item. |
| 239 | struct TryItem { |
| 240 | uint32_t start_addr_; |
| 241 | uint16_t insn_count_; |
| 242 | uint16_t handler_off_; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 243 | |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 244 | private: |
| 245 | DISALLOW_COPY_AND_ASSIGN(TryItem); |
Carl Shapiro | 2eaa968 | 2011-08-04 19:26:11 -0700 | [diff] [blame] | 246 | }; |
| 247 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 248 | // Annotation constants. |
| 249 | enum { |
| 250 | kDexVisibilityBuild = 0x00, /* annotation visibility */ |
| 251 | kDexVisibilityRuntime = 0x01, |
| 252 | kDexVisibilitySystem = 0x02, |
| 253 | |
| 254 | kDexAnnotationByte = 0x00, |
| 255 | kDexAnnotationShort = 0x02, |
| 256 | kDexAnnotationChar = 0x03, |
| 257 | kDexAnnotationInt = 0x04, |
| 258 | kDexAnnotationLong = 0x06, |
| 259 | kDexAnnotationFloat = 0x10, |
| 260 | kDexAnnotationDouble = 0x11, |
| 261 | kDexAnnotationString = 0x17, |
| 262 | kDexAnnotationType = 0x18, |
| 263 | kDexAnnotationField = 0x19, |
| 264 | kDexAnnotationMethod = 0x1a, |
| 265 | kDexAnnotationEnum = 0x1b, |
| 266 | kDexAnnotationArray = 0x1c, |
| 267 | kDexAnnotationAnnotation = 0x1d, |
| 268 | kDexAnnotationNull = 0x1e, |
| 269 | kDexAnnotationBoolean = 0x1f, |
| 270 | |
| 271 | kDexAnnotationValueTypeMask = 0x1f, /* low 5 bits */ |
| 272 | kDexAnnotationValueArgShift = 5, |
| 273 | }; |
| 274 | |
| 275 | struct AnnotationsDirectoryItem { |
| 276 | uint32_t class_annotations_off_; |
| 277 | uint32_t fields_size_; |
| 278 | uint32_t methods_size_; |
| 279 | uint32_t parameters_size_; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 280 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 281 | private: |
| 282 | DISALLOW_COPY_AND_ASSIGN(AnnotationsDirectoryItem); |
| 283 | }; |
| 284 | |
| 285 | struct FieldAnnotationsItem { |
| 286 | uint32_t field_idx_; |
| 287 | uint32_t annotations_off_; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 288 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 289 | private: |
| 290 | DISALLOW_COPY_AND_ASSIGN(FieldAnnotationsItem); |
| 291 | }; |
| 292 | |
| 293 | struct MethodAnnotationsItem { |
| 294 | uint32_t method_idx_; |
| 295 | uint32_t annotations_off_; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 296 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 297 | private: |
| 298 | DISALLOW_COPY_AND_ASSIGN(MethodAnnotationsItem); |
| 299 | }; |
| 300 | |
| 301 | struct ParameterAnnotationsItem { |
| 302 | uint32_t method_idx_; |
| 303 | uint32_t annotations_off_; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 304 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 305 | private: |
| 306 | DISALLOW_COPY_AND_ASSIGN(ParameterAnnotationsItem); |
| 307 | }; |
| 308 | |
| 309 | struct AnnotationSetRefItem { |
| 310 | uint32_t annotations_off_; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 311 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 312 | private: |
| 313 | DISALLOW_COPY_AND_ASSIGN(AnnotationSetRefItem); |
| 314 | }; |
| 315 | |
| 316 | struct AnnotationSetRefList { |
| 317 | uint32_t size_; |
| 318 | AnnotationSetRefItem list_[1]; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 319 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 320 | private: |
| 321 | DISALLOW_COPY_AND_ASSIGN(AnnotationSetRefList); |
| 322 | }; |
| 323 | |
| 324 | struct AnnotationSetItem { |
| 325 | uint32_t size_; |
| 326 | uint32_t entries_[1]; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 327 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 328 | private: |
| 329 | DISALLOW_COPY_AND_ASSIGN(AnnotationSetItem); |
| 330 | }; |
| 331 | |
| 332 | struct AnnotationItem { |
| 333 | uint8_t visibility_; |
| 334 | uint8_t annotation_[1]; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 335 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 336 | private: |
| 337 | DISALLOW_COPY_AND_ASSIGN(AnnotationItem); |
| 338 | }; |
| 339 | |
Brian Carlstrom | 74eb46a | 2011-08-02 20:10:14 -0700 | [diff] [blame] | 340 | typedef std::pair<const DexFile*, const DexFile::ClassDef*> ClassPathEntry; |
| 341 | typedef std::vector<const DexFile*> ClassPath; |
| 342 | |
| 343 | // Search a collection of DexFiles for a descriptor |
Ian Rogers | 8b2c0b9 | 2013-09-19 02:56:49 -0700 | [diff] [blame] | 344 | static ClassPathEntry FindInClassPath(const char* descriptor, |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 345 | const ClassPath& class_path); |
Brian Carlstrom | 74eb46a | 2011-08-02 20:10:14 -0700 | [diff] [blame] | 346 | |
Brian Carlstrom | 5b332c8 | 2012-02-01 15:02:31 -0800 | [diff] [blame] | 347 | // Returns the checksum of a file for comparison with GetLocationChecksum(). |
| 348 | // For .dex files, this is the header checksum. |
| 349 | // For zip files, this is the classes.dex zip entry CRC32 checksum. |
| 350 | // Return true if the checksum could be found, false otherwise. |
Ian Rogers | 33e9566 | 2013-05-20 20:29:14 -0700 | [diff] [blame] | 351 | static bool GetChecksum(const std::string& filename, uint32_t& checksum) |
| 352 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Brian Carlstrom | 78128a6 | 2011-09-15 17:21:19 -0700 | [diff] [blame] | 353 | |
Brian Carlstrom | 58ae941 | 2011-10-04 00:56:06 -0700 | [diff] [blame] | 354 | // Opens .dex file, guessing the container format based on file extension |
Brian Carlstrom | 1619286 | 2011-09-12 17:50:06 -0700 | [diff] [blame] | 355 | static const DexFile* Open(const std::string& filename, |
Brian Carlstrom | a004aa9 | 2012-02-08 18:05:09 -0800 | [diff] [blame] | 356 | const std::string& location); |
jeffhao | 262bf46 | 2011-10-20 18:36:32 -0700 | [diff] [blame] | 357 | |
Brian Carlstrom | 8952189 | 2011-12-07 22:05:07 -0800 | [diff] [blame] | 358 | // Opens .dex file, backed by existing memory |
Brian Carlstrom | 5b332c8 | 2012-02-01 15:02:31 -0800 | [diff] [blame] | 359 | static const DexFile* Open(const uint8_t* base, size_t size, |
Brian Carlstrom | 28db012 | 2012-10-18 16:20:41 -0700 | [diff] [blame] | 360 | const std::string& location, |
| 361 | uint32_t location_checksum) { |
Brian Carlstrom | 5b332c8 | 2012-02-01 15:02:31 -0800 | [diff] [blame] | 362 | return OpenMemory(base, size, location, location_checksum, NULL); |
Brian Carlstrom | 8952189 | 2011-12-07 22:05:07 -0800 | [diff] [blame] | 363 | } |
| 364 | |
Brian Carlstrom | a6cc893 | 2012-01-04 14:44:07 -0800 | [diff] [blame] | 365 | // Opens .dex file from the classes.dex in a zip archive |
| 366 | static const DexFile* Open(const ZipArchive& zip_archive, const std::string& location); |
| 367 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 368 | // Closes a .dex file. |
Brian Carlstrom | f615a61 | 2011-07-23 12:50:34 -0700 | [diff] [blame] | 369 | virtual ~DexFile(); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 370 | |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 371 | const std::string& GetLocation() const { |
| 372 | return location_; |
| 373 | } |
| 374 | |
Brian Carlstrom | 5b332c8 | 2012-02-01 15:02:31 -0800 | [diff] [blame] | 375 | // For DexFiles directly from .dex files, this is the checksum from the DexFile::Header. |
| 376 | // For DexFiles opened from a zip files, this will be the ZipEntry CRC32 of classes.dex. |
| 377 | uint32_t GetLocationChecksum() const { |
| 378 | return location_checksum_; |
| 379 | } |
| 380 | |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 381 | const Header& GetHeader() const { |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 382 | DCHECK(header_ != NULL) << GetLocation(); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 383 | return *header_; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 384 | } |
| 385 | |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 386 | Mutex& GetModificationLock() { |
| 387 | return modification_lock; |
| 388 | } |
| 389 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 390 | // Decode the dex magic version |
Ian Rogers | d81871c | 2011-10-03 13:57:23 -0700 | [diff] [blame] | 391 | uint32_t GetVersion() const; |
| 392 | |
Brian Carlstrom | 6e3b1d9 | 2012-01-11 01:36:32 -0800 | [diff] [blame] | 393 | // Returns true if the byte string points to the magic value. |
| 394 | static bool IsMagicValid(const byte* magic); |
| 395 | |
| 396 | // Returns true if the byte string after the magic is the correct value. |
| 397 | static bool IsVersionValid(const byte* magic); |
| 398 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 399 | // Returns the number of string identifiers in the .dex file. |
| 400 | size_t NumStringIds() const { |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 401 | DCHECK(header_ != NULL) << GetLocation(); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 402 | return header_->string_ids_size_; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 403 | } |
| 404 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 405 | // Returns the StringId at the specified index. |
| 406 | const StringId& GetStringId(uint32_t idx) const { |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 407 | DCHECK_LT(idx, NumStringIds()) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 408 | return string_ids_[idx]; |
| 409 | } |
| 410 | |
| 411 | uint32_t GetIndexForStringId(const StringId& string_id) const { |
Brian Carlstrom | 61e513c | 2011-12-09 15:30:06 -0800 | [diff] [blame] | 412 | CHECK_GE(&string_id, string_ids_) << GetLocation(); |
| 413 | CHECK_LT(&string_id, string_ids_ + header_->string_ids_size_) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 414 | return &string_id - string_ids_; |
| 415 | } |
| 416 | |
| 417 | int32_t GetStringLength(const StringId& string_id) const; |
| 418 | |
| 419 | // Returns a pointer to the UTF-8 string data referred to by the given string_id. |
Elliott Hughes | 45651fd | 2012-02-21 15:48:20 -0800 | [diff] [blame] | 420 | const char* GetStringDataAndLength(const StringId& string_id, uint32_t* length) const; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 421 | |
| 422 | const char* GetStringData(const StringId& string_id) const { |
Elliott Hughes | 45651fd | 2012-02-21 15:48:20 -0800 | [diff] [blame] | 423 | uint32_t length; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 424 | return GetStringDataAndLength(string_id, &length); |
| 425 | } |
| 426 | |
| 427 | // return the UTF-8 encoded string with the specified string_id index |
Elliott Hughes | 45651fd | 2012-02-21 15:48:20 -0800 | [diff] [blame] | 428 | const char* StringDataAndLengthByIdx(uint32_t idx, uint32_t* unicode_length) const { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 429 | if (idx == kDexNoIndex) { |
| 430 | *unicode_length = 0; |
| 431 | return NULL; |
| 432 | } |
| 433 | const StringId& string_id = GetStringId(idx); |
| 434 | return GetStringDataAndLength(string_id, unicode_length); |
| 435 | } |
| 436 | |
Ian Rogers | fc0e94b | 2013-09-23 23:51:32 -0700 | [diff] [blame] | 437 | StringPiece StringDataAsStringPieceByIdx(uint32_t idx) const; |
| 438 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 439 | const char* StringDataByIdx(uint32_t idx) const { |
Elliott Hughes | 45651fd | 2012-02-21 15:48:20 -0800 | [diff] [blame] | 440 | uint32_t unicode_length; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 441 | return StringDataAndLengthByIdx(idx, &unicode_length); |
| 442 | } |
| 443 | |
Ian Rogers | 637c65b | 2013-05-31 11:46:00 -0700 | [diff] [blame] | 444 | // Looks up a string id for a given modified utf8 string. |
| 445 | const StringId* FindStringId(const char* string) const; |
| 446 | |
| 447 | // Looks up a string id for a given utf16 string. |
| 448 | const StringId* FindStringId(const uint16_t* string) const; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 449 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 450 | // Returns the number of type identifiers in the .dex file. |
| 451 | size_t NumTypeIds() const { |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 452 | DCHECK(header_ != NULL) << GetLocation(); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 453 | return header_->type_ids_size_; |
Carl Shapiro | 5fafe2b | 2011-07-09 15:34:41 -0700 | [diff] [blame] | 454 | } |
| 455 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 456 | // Returns the TypeId at the specified index. |
| 457 | const TypeId& GetTypeId(uint32_t idx) const { |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 458 | DCHECK_LT(idx, NumTypeIds()) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 459 | return type_ids_[idx]; |
Carl Shapiro | 5fafe2b | 2011-07-09 15:34:41 -0700 | [diff] [blame] | 460 | } |
| 461 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 462 | uint16_t GetIndexForTypeId(const TypeId& type_id) const { |
Brian Carlstrom | 61e513c | 2011-12-09 15:30:06 -0800 | [diff] [blame] | 463 | CHECK_GE(&type_id, type_ids_) << GetLocation(); |
| 464 | CHECK_LT(&type_id, type_ids_ + header_->type_ids_size_) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 465 | size_t result = &type_id - type_ids_; |
Brian Carlstrom | 61e513c | 2011-12-09 15:30:06 -0800 | [diff] [blame] | 466 | DCHECK_LT(result, 65536U) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 467 | return static_cast<uint16_t>(result); |
| 468 | } |
| 469 | |
| 470 | // Get the descriptor string associated with a given type index. |
Elliott Hughes | 45651fd | 2012-02-21 15:48:20 -0800 | [diff] [blame] | 471 | const char* StringByTypeIdx(uint32_t idx, uint32_t* unicode_length) const { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 472 | const TypeId& type_id = GetTypeId(idx); |
| 473 | return StringDataAndLengthByIdx(type_id.descriptor_idx_, unicode_length); |
| 474 | } |
| 475 | |
| 476 | const char* StringByTypeIdx(uint32_t idx) const { |
| 477 | const TypeId& type_id = GetTypeId(idx); |
| 478 | return StringDataByIdx(type_id.descriptor_idx_); |
| 479 | } |
| 480 | |
| 481 | // Returns the type descriptor string of a type id. |
| 482 | const char* GetTypeDescriptor(const TypeId& type_id) const { |
| 483 | return StringDataByIdx(type_id.descriptor_idx_); |
| 484 | } |
| 485 | |
| 486 | // Looks up a type for the given string index |
| 487 | const TypeId* FindTypeId(uint32_t string_idx) const; |
| 488 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 489 | // Returns the number of field identifiers in the .dex file. |
| 490 | size_t NumFieldIds() const { |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 491 | DCHECK(header_ != NULL) << GetLocation(); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 492 | return header_->field_ids_size_; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 493 | } |
| 494 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 495 | // Returns the FieldId at the specified index. |
| 496 | const FieldId& GetFieldId(uint32_t idx) const { |
Sebastien Hertz | b24bd99 | 2013-08-02 15:19:09 +0200 | [diff] [blame] | 497 | DCHECK_LT(idx, NumFieldIds()) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 498 | return field_ids_[idx]; |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 499 | } |
| 500 | |
Ian Rogers | 9b1a4f4 | 2011-11-14 18:35:10 -0800 | [diff] [blame] | 501 | uint32_t GetIndexForFieldId(const FieldId& field_id) const { |
Brian Carlstrom | 61e513c | 2011-12-09 15:30:06 -0800 | [diff] [blame] | 502 | CHECK_GE(&field_id, field_ids_) << GetLocation(); |
| 503 | CHECK_LT(&field_id, field_ids_ + header_->field_ids_size_) << GetLocation(); |
Ian Rogers | 9b1a4f4 | 2011-11-14 18:35:10 -0800 | [diff] [blame] | 504 | return &field_id - field_ids_; |
| 505 | } |
| 506 | |
| 507 | // Looks up a field by its declaring class, name and type |
| 508 | const FieldId* FindFieldId(const DexFile::TypeId& declaring_klass, |
| 509 | const DexFile::StringId& name, |
| 510 | const DexFile::TypeId& type) const; |
| 511 | |
Brian Carlstrom | 6b4ef02 | 2011-10-23 14:59:04 -0700 | [diff] [blame] | 512 | // Returns the declaring class descriptor string of a field id. |
| 513 | const char* GetFieldDeclaringClassDescriptor(const FieldId& field_id) const { |
Brian Carlstrom | b9edb84 | 2011-08-28 16:31:06 -0700 | [diff] [blame] | 514 | const DexFile::TypeId& type_id = GetTypeId(field_id.class_idx_); |
| 515 | return GetTypeDescriptor(type_id); |
| 516 | } |
| 517 | |
Brian Carlstrom | 6b4ef02 | 2011-10-23 14:59:04 -0700 | [diff] [blame] | 518 | // Returns the class descriptor string of a field id. |
| 519 | const char* GetFieldTypeDescriptor(const FieldId& field_id) const { |
| 520 | const DexFile::TypeId& type_id = GetTypeId(field_id.type_idx_); |
| 521 | return GetTypeDescriptor(type_id); |
| 522 | } |
| 523 | |
Brian Carlstrom | b9edb84 | 2011-08-28 16:31:06 -0700 | [diff] [blame] | 524 | // Returns the name of a field id. |
| 525 | const char* GetFieldName(const FieldId& field_id) const { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 526 | return StringDataByIdx(field_id.name_idx_); |
Brian Carlstrom | b9edb84 | 2011-08-28 16:31:06 -0700 | [diff] [blame] | 527 | } |
| 528 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 529 | // Returns the number of method identifiers in the .dex file. |
| 530 | size_t NumMethodIds() const { |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 531 | DCHECK(header_ != NULL) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 532 | return header_->method_ids_size_; |
| 533 | } |
| 534 | |
| 535 | // Returns the MethodId at the specified index. |
| 536 | const MethodId& GetMethodId(uint32_t idx) const { |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 537 | DCHECK_LT(idx, NumMethodIds()) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 538 | return method_ids_[idx]; |
| 539 | } |
| 540 | |
| 541 | uint32_t GetIndexForMethodId(const MethodId& method_id) const { |
Brian Carlstrom | 61e513c | 2011-12-09 15:30:06 -0800 | [diff] [blame] | 542 | CHECK_GE(&method_id, method_ids_) << GetLocation(); |
| 543 | CHECK_LT(&method_id, method_ids_ + header_->method_ids_size_) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 544 | return &method_id - method_ids_; |
| 545 | } |
| 546 | |
Ian Rogers | 9b1a4f4 | 2011-11-14 18:35:10 -0800 | [diff] [blame] | 547 | // Looks up a method by its declaring class, name and proto_id |
| 548 | const MethodId* FindMethodId(const DexFile::TypeId& declaring_klass, |
| 549 | const DexFile::StringId& name, |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 550 | const DexFile::ProtoId& signature) const; |
| 551 | |
Brian Carlstrom | 6b4ef02 | 2011-10-23 14:59:04 -0700 | [diff] [blame] | 552 | // Returns the declaring class descriptor string of a method id. |
| 553 | const char* GetMethodDeclaringClassDescriptor(const MethodId& method_id) const { |
Brian Carlstrom | 7540ff4 | 2011-09-04 16:38:46 -0700 | [diff] [blame] | 554 | const DexFile::TypeId& type_id = GetTypeId(method_id.class_idx_); |
| 555 | return GetTypeDescriptor(type_id); |
| 556 | } |
| 557 | |
jeffhao | 98eacac | 2011-09-14 16:11:53 -0700 | [diff] [blame] | 558 | // Returns the prototype of a method id. |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 559 | const ProtoId& GetMethodPrototype(const MethodId& method_id) const { |
| 560 | return GetProtoId(method_id.proto_idx_); |
| 561 | } |
| 562 | |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 563 | // Returns a representation of the signature of a method id. |
| 564 | const Signature GetMethodSignature(const MethodId& method_id) const; |
jeffhao | 98eacac | 2011-09-14 16:11:53 -0700 | [diff] [blame] | 565 | |
Brian Carlstrom | 7540ff4 | 2011-09-04 16:38:46 -0700 | [diff] [blame] | 566 | // Returns the name of a method id. |
| 567 | const char* GetMethodName(const MethodId& method_id) const { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 568 | return StringDataByIdx(method_id.name_idx_); |
Brian Carlstrom | 7540ff4 | 2011-09-04 16:38:46 -0700 | [diff] [blame] | 569 | } |
| 570 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 571 | // Returns the shorty of a method id. |
| 572 | const char* GetMethodShorty(const MethodId& method_id) const { |
| 573 | return StringDataByIdx(GetProtoId(method_id.proto_idx_).shorty_idx_); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 574 | } |
Elliott Hughes | 45651fd | 2012-02-21 15:48:20 -0800 | [diff] [blame] | 575 | const char* GetMethodShorty(const MethodId& method_id, uint32_t* length) const { |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 576 | return StringDataAndLengthByIdx(GetProtoId(method_id.proto_idx_).shorty_idx_, length); |
| 577 | } |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 578 | // Returns the number of class definitions in the .dex file. |
| 579 | size_t NumClassDefs() const { |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 580 | DCHECK(header_ != NULL) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 581 | return header_->class_defs_size_; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 582 | } |
| 583 | |
| 584 | // Returns the ClassDef at the specified index. |
Ian Rogers | 8b2c0b9 | 2013-09-19 02:56:49 -0700 | [diff] [blame] | 585 | const ClassDef& GetClassDef(uint16_t idx) const { |
Sebastien Hertz | b24bd99 | 2013-08-02 15:19:09 +0200 | [diff] [blame] | 586 | DCHECK_LT(idx, NumClassDefs()) << GetLocation(); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 587 | return class_defs_[idx]; |
| 588 | } |
| 589 | |
Ian Rogers | 8b2c0b9 | 2013-09-19 02:56:49 -0700 | [diff] [blame] | 590 | uint16_t GetIndexForClassDef(const ClassDef& class_def) const { |
Brian Carlstrom | 61e513c | 2011-12-09 15:30:06 -0800 | [diff] [blame] | 591 | CHECK_GE(&class_def, class_defs_) << GetLocation(); |
| 592 | CHECK_LT(&class_def, class_defs_ + header_->class_defs_size_) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 593 | return &class_def - class_defs_; |
| 594 | } |
| 595 | |
| 596 | // Returns the class descriptor string of a class definition. |
| 597 | const char* GetClassDescriptor(const ClassDef& class_def) const { |
| 598 | return StringByTypeIdx(class_def.class_idx_); |
| 599 | } |
| 600 | |
| 601 | // Looks up a class definition by its class descriptor. |
Ian Rogers | 8b2c0b9 | 2013-09-19 02:56:49 -0700 | [diff] [blame] | 602 | const ClassDef* FindClassDef(const char* descriptor) const; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 603 | |
Ian Rogers | 8b2c0b9 | 2013-09-19 02:56:49 -0700 | [diff] [blame] | 604 | // Looks up a class definition by its type index. |
| 605 | const ClassDef* FindClassDef(uint16_t type_idx) const; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 606 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 607 | const TypeList* GetInterfacesList(const ClassDef& class_def) const { |
| 608 | if (class_def.interfaces_off_ == 0) { |
| 609 | return NULL; |
| 610 | } else { |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 611 | const byte* addr = begin_ + class_def.interfaces_off_; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 612 | return reinterpret_cast<const TypeList*>(addr); |
| 613 | } |
| 614 | } |
| 615 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 616 | // Returns a pointer to the raw memory mapped class_data_item |
| 617 | const byte* GetClassData(const ClassDef& class_def) const { |
| 618 | if (class_def.class_data_off_ == 0) { |
| 619 | return NULL; |
| 620 | } else { |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 621 | return begin_ + class_def.class_data_off_; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 622 | } |
Shih-wei Liao | 2fb9753 | 2011-08-11 16:17:23 -0700 | [diff] [blame] | 623 | } |
| 624 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 625 | // |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 626 | const CodeItem* GetCodeItem(const uint32_t code_off) const { |
| 627 | if (code_off == 0) { |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 628 | return NULL; // native or abstract method |
| 629 | } else { |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 630 | const byte* addr = begin_ + code_off; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 631 | return reinterpret_cast<const CodeItem*>(addr); |
| 632 | } |
| 633 | } |
| 634 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 635 | const char* GetReturnTypeDescriptor(const ProtoId& proto_id) const { |
| 636 | return StringByTypeIdx(proto_id.return_type_idx_); |
| 637 | } |
| 638 | |
| 639 | // Returns the number of prototype identifiers in the .dex file. |
| 640 | size_t NumProtoIds() const { |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 641 | DCHECK(header_ != NULL) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 642 | return header_->proto_ids_size_; |
| 643 | } |
| 644 | |
| 645 | // Returns the ProtoId at the specified index. |
| 646 | const ProtoId& GetProtoId(uint32_t idx) const { |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 647 | DCHECK_LT(idx, NumProtoIds()) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 648 | return proto_ids_[idx]; |
| 649 | } |
| 650 | |
| 651 | uint16_t GetIndexForProtoId(const ProtoId& proto_id) const { |
Brian Carlstrom | 61e513c | 2011-12-09 15:30:06 -0800 | [diff] [blame] | 652 | CHECK_GE(&proto_id, proto_ids_) << GetLocation(); |
| 653 | CHECK_LT(&proto_id, proto_ids_ + header_->proto_ids_size_) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 654 | return &proto_id - proto_ids_; |
| 655 | } |
| 656 | |
| 657 | // 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] | 658 | const ProtoId* FindProtoId(uint16_t return_type_idx, |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 659 | const std::vector<uint16_t>& signature_type_idxs_) const; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 660 | |
| 661 | // 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] | 662 | bool CreateTypeList(const StringPiece& signature, uint16_t* return_type_idx, |
| 663 | std::vector<uint16_t>* param_type_idxs) const; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 664 | |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 665 | // Create a Signature from the given string signature or return Signature::NoSignature if not |
| 666 | // possible. |
| 667 | const Signature CreateSignature(const StringPiece& signature) const; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 668 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 669 | // Returns the short form method descriptor for the given prototype. |
| 670 | const char* GetShorty(uint32_t proto_idx) const { |
| 671 | const ProtoId& proto_id = GetProtoId(proto_idx); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 672 | return StringDataByIdx(proto_id.shorty_idx_); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 673 | } |
| 674 | |
| 675 | const TypeList* GetProtoParameters(const ProtoId& proto_id) const { |
| 676 | if (proto_id.parameters_off_ == 0) { |
| 677 | return NULL; |
| 678 | } else { |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 679 | const byte* addr = begin_ + proto_id.parameters_off_; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 680 | return reinterpret_cast<const TypeList*>(addr); |
| 681 | } |
| 682 | } |
| 683 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 684 | const byte* GetEncodedStaticFieldValuesArray(const ClassDef& class_def) const { |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 685 | if (class_def.static_values_off_ == 0) { |
| 686 | return 0; |
| 687 | } else { |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 688 | return begin_ + class_def.static_values_off_; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 689 | } |
| 690 | } |
| 691 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 692 | static const TryItem* GetTryItems(const CodeItem& code_item, uint32_t offset); |
Shih-wei Liao | 2fb9753 | 2011-08-11 16:17:23 -0700 | [diff] [blame] | 693 | |
| 694 | // Get the base of the encoded data for the given DexCode. |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 695 | static const byte* GetCatchHandlerData(const CodeItem& code_item, uint32_t offset) { |
| 696 | const byte* handler_data = |
| 697 | reinterpret_cast<const byte*>(GetTryItems(code_item, code_item.tries_size_)); |
Shih-wei Liao | 2fb9753 | 2011-08-11 16:17:23 -0700 | [diff] [blame] | 698 | return handler_data + offset; |
| 699 | } |
| 700 | |
Ian Rogers | dbbc99d | 2013-04-18 16:51:54 -0700 | [diff] [blame] | 701 | // Find which try region is associated with the given address (ie dex pc). Returns -1 if none. |
| 702 | static int32_t FindTryItem(const CodeItem &code_item, uint32_t address); |
| 703 | |
| 704 | // Find the handler offset associated with the given address (ie dex pc). Returns -1 if none. |
| 705 | static int32_t FindCatchHandlerOffset(const CodeItem &code_item, uint32_t address); |
Shih-wei Liao | 2fb9753 | 2011-08-11 16:17:23 -0700 | [diff] [blame] | 706 | |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 707 | // Get the pointer to the start of the debugging data |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 708 | const byte* GetDebugInfoStream(const CodeItem* code_item) const { |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 709 | if (code_item->debug_info_off_ == 0) { |
| 710 | return NULL; |
| 711 | } else { |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 712 | return begin_ + code_item->debug_info_off_; |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 713 | } |
| 714 | } |
| 715 | |
| 716 | // Callback for "new position table entry". |
| 717 | // Returning true causes the decoder to stop early. |
Elliott Hughes | 2435a57 | 2012-02-17 16:07:41 -0800 | [diff] [blame] | 718 | 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] | 719 | |
| 720 | // Callback for "new locals table entry". "signature" is an empty string |
| 721 | // if no signature is available for an entry. |
Elliott Hughes | 2435a57 | 2012-02-17 16:07:41 -0800 | [diff] [blame] | 722 | typedef void (*DexDebugNewLocalCb)(void* context, uint16_t reg, |
Elliott Hughes | 24edeb5 | 2012-06-18 15:29:46 -0700 | [diff] [blame] | 723 | uint32_t start_address, |
| 724 | uint32_t end_address, |
Brian Carlstrom | 40381fb | 2011-10-19 14:13:40 -0700 | [diff] [blame] | 725 | const char* name, |
| 726 | const char* descriptor, |
| 727 | const char* signature); |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 728 | |
Elliott Hughes | 2435a57 | 2012-02-17 16:07:41 -0800 | [diff] [blame] | 729 | 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] | 730 | |
| 731 | // Debug info opcodes and constants |
| 732 | enum { |
| 733 | DBG_END_SEQUENCE = 0x00, |
| 734 | DBG_ADVANCE_PC = 0x01, |
| 735 | DBG_ADVANCE_LINE = 0x02, |
| 736 | DBG_START_LOCAL = 0x03, |
| 737 | DBG_START_LOCAL_EXTENDED = 0x04, |
| 738 | DBG_END_LOCAL = 0x05, |
| 739 | DBG_RESTART_LOCAL = 0x06, |
| 740 | DBG_SET_PROLOGUE_END = 0x07, |
| 741 | DBG_SET_EPILOGUE_BEGIN = 0x08, |
| 742 | DBG_SET_FILE = 0x09, |
| 743 | DBG_FIRST_SPECIAL = 0x0a, |
| 744 | DBG_LINE_BASE = -4, |
| 745 | DBG_LINE_RANGE = 15, |
| 746 | }; |
| 747 | |
| 748 | struct LocalInfo { |
Ian Rogers | ca19066 | 2012-06-26 15:45:57 -0700 | [diff] [blame] | 749 | LocalInfo() |
| 750 | : 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] | 751 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 752 | const char* name_; // E.g., list |
| 753 | const char* descriptor_; // E.g., Ljava/util/LinkedList; |
| 754 | const char* signature_; // E.g., java.util.LinkedList<java.lang.Integer> |
| 755 | uint16_t start_address_; // PC location where the local is first defined. |
| 756 | bool is_live_; // Is the local defined and live. |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 757 | |
| 758 | private: |
| 759 | DISALLOW_COPY_AND_ASSIGN(LocalInfo); |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 760 | }; |
| 761 | |
| 762 | struct LineNumFromPcContext { |
Ian Rogers | ca19066 | 2012-06-26 15:45:57 -0700 | [diff] [blame] | 763 | LineNumFromPcContext(uint32_t address, uint32_t line_num) |
| 764 | : address_(address), line_num_(line_num) {} |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 765 | uint32_t address_; |
| 766 | uint32_t line_num_; |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 767 | private: |
| 768 | DISALLOW_COPY_AND_ASSIGN(LineNumFromPcContext); |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 769 | }; |
| 770 | |
Elliott Hughes | 2435a57 | 2012-02-17 16:07:41 -0800 | [diff] [blame] | 771 | void InvokeLocalCbIfLive(void* context, int reg, uint32_t end_address, |
Brian Carlstrom | 78128a6 | 2011-09-15 17:21:19 -0700 | [diff] [blame] | 772 | LocalInfo* local_in_reg, DexDebugNewLocalCb local_cb) const { |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 773 | if (local_cb != NULL && local_in_reg[reg].is_live_) { |
Elliott Hughes | 2435a57 | 2012-02-17 16:07:41 -0800 | [diff] [blame] | 774 | local_cb(context, reg, local_in_reg[reg].start_address_, end_address, |
Elliott Hughes | dbb4079 | 2011-11-18 17:05:22 -0800 | [diff] [blame] | 775 | local_in_reg[reg].name_, local_in_reg[reg].descriptor_, |
| 776 | local_in_reg[reg].signature_ != NULL ? local_in_reg[reg].signature_ : ""); |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 777 | } |
| 778 | } |
| 779 | |
| 780 | // Determine the source file line number based on the program counter. |
| 781 | // "pc" is an offset, in 16-bit units, from the start of the method's code. |
| 782 | // |
| 783 | // Returns -1 if no match was found (possibly because the source files were |
| 784 | // compiled without "-g", so no line number information is present). |
| 785 | // Returns -2 for native methods (as expected in exception traces). |
| 786 | // |
| 787 | // 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] | 788 | int32_t GetLineNumFromPC(const mirror::ArtMethod* method, uint32_t rel_pc) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 789 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 790 | |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 791 | 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] | 792 | DexDebugNewPositionCb position_cb, DexDebugNewLocalCb local_cb, |
| 793 | void* context) const; |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 794 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 795 | const char* GetSourceFile(const ClassDef& class_def) const { |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 796 | if (class_def.source_file_idx_ == 0xffffffff) { |
| 797 | return NULL; |
| 798 | } else { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 799 | return StringDataByIdx(class_def.source_file_idx_); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 800 | } |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 801 | } |
| 802 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 803 | int GetPermissions() const; |
Ian Rogers | 1c849e5 | 2012-06-28 14:00:33 -0700 | [diff] [blame] | 804 | |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 805 | bool IsReadOnly() const; |
| 806 | |
Brian Carlstrom | e0948e1 | 2013-08-29 09:36:15 -0700 | [diff] [blame] | 807 | bool EnableWrite() const; |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 808 | |
Brian Carlstrom | e0948e1 | 2013-08-29 09:36:15 -0700 | [diff] [blame] | 809 | bool DisableWrite() const; |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 810 | |
Ian Rogers | 8b2c0b9 | 2013-09-19 02:56:49 -0700 | [diff] [blame] | 811 | const byte* Begin() const { |
| 812 | return begin_; |
| 813 | } |
| 814 | |
| 815 | size_t Size() const { |
| 816 | return size_; |
| 817 | } |
| 818 | |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 819 | private: |
Brian Carlstrom | 58ae941 | 2011-10-04 00:56:06 -0700 | [diff] [blame] | 820 | // Opens a .dex file |
| 821 | static const DexFile* OpenFile(const std::string& filename, |
Brian Carlstrom | a004aa9 | 2012-02-08 18:05:09 -0800 | [diff] [blame] | 822 | const std::string& location, |
Brian Carlstrom | 5b332c8 | 2012-02-01 15:02:31 -0800 | [diff] [blame] | 823 | bool verify); |
Brian Carlstrom | 58ae941 | 2011-10-04 00:56:06 -0700 | [diff] [blame] | 824 | |
| 825 | // Opens a dex file from within a .jar, .zip, or .apk file |
| 826 | static const DexFile* OpenZip(const std::string& filename, |
Brian Carlstrom | a004aa9 | 2012-02-08 18:05:09 -0800 | [diff] [blame] | 827 | const std::string& location); |
Brian Carlstrom | 58ae941 | 2011-10-04 00:56:06 -0700 | [diff] [blame] | 828 | |
Brian Carlstrom | 8952189 | 2011-12-07 22:05:07 -0800 | [diff] [blame] | 829 | // Opens a .dex file at the given address backed by a MemMap |
| 830 | static const DexFile* OpenMemory(const std::string& location, |
Brian Carlstrom | 5b332c8 | 2012-02-01 15:02:31 -0800 | [diff] [blame] | 831 | uint32_t location_checksum, |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 832 | MemMap* mem_map); |
Brian Carlstrom | 8952189 | 2011-12-07 22:05:07 -0800 | [diff] [blame] | 833 | |
| 834 | // 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] | 835 | static const DexFile* OpenMemory(const byte* dex_file, |
jeffhao | f6174e8 | 2012-01-31 16:14:17 -0800 | [diff] [blame] | 836 | size_t size, |
Brian Carlstrom | 58ae941 | 2011-10-04 00:56:06 -0700 | [diff] [blame] | 837 | const std::string& location, |
Brian Carlstrom | 5b332c8 | 2012-02-01 15:02:31 -0800 | [diff] [blame] | 838 | uint32_t location_checksum, |
Brian Carlstrom | 58ae941 | 2011-10-04 00:56:06 -0700 | [diff] [blame] | 839 | MemMap* mem_map); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 840 | |
Brian Carlstrom | 5b332c8 | 2012-02-01 15:02:31 -0800 | [diff] [blame] | 841 | DexFile(const byte* base, size_t size, |
Brian Carlstrom | 28db012 | 2012-10-18 16:20:41 -0700 | [diff] [blame] | 842 | const std::string& location, |
| 843 | uint32_t location_checksum, |
Brian Carlstrom | 5b332c8 | 2012-02-01 15:02:31 -0800 | [diff] [blame] | 844 | MemMap* mem_map) |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 845 | : begin_(base), |
jeffhao | f6174e8 | 2012-01-31 16:14:17 -0800 | [diff] [blame] | 846 | size_(size), |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 847 | location_(location), |
Brian Carlstrom | 5b332c8 | 2012-02-01 15:02:31 -0800 | [diff] [blame] | 848 | location_checksum_(location_checksum), |
Brian Carlstrom | 33f741e | 2011-10-03 11:24:05 -0700 | [diff] [blame] | 849 | mem_map_(mem_map), |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 850 | modification_lock("DEX modification lock"), |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 851 | header_(0), |
| 852 | string_ids_(0), |
| 853 | type_ids_(0), |
| 854 | field_ids_(0), |
| 855 | method_ids_(0), |
| 856 | proto_ids_(0), |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 857 | class_defs_(0) { |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 858 | CHECK(begin_ != NULL) << GetLocation(); |
jeffhao | f6174e8 | 2012-01-31 16:14:17 -0800 | [diff] [blame] | 859 | CHECK_GT(size_, 0U) << GetLocation(); |
| 860 | } |
| 861 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 862 | // Top-level initializer that calls other Init methods. |
| 863 | bool Init(); |
| 864 | |
| 865 | // Caches pointers into to the various file sections. |
| 866 | void InitMembers(); |
| 867 | |
Brian Carlstrom | 6e3b1d9 | 2012-01-11 01:36:32 -0800 | [diff] [blame] | 868 | // Returns true if the header magic and version numbers are of the expected values. |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 869 | bool CheckMagicAndVersion() const; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 870 | |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 871 | 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] | 872 | DexDebugNewPositionCb position_cb, DexDebugNewLocalCb local_cb, |
| 873 | void* context, const byte* stream, LocalInfo* local_in_reg) const; |
Elliott Hughes | 03181a8 | 2011-11-17 17:22:21 -0800 | [diff] [blame] | 874 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 875 | // The base address of the memory mapping. |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 876 | const byte* const begin_; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 877 | |
| 878 | // The size of the underlying memory allocation in bytes. |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 879 | const size_t size_; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 880 | |
Elliott Hughes | 64bf5a3 | 2011-09-20 14:43:12 -0700 | [diff] [blame] | 881 | // Typically the dex file name when available, alternatively some identifying string. |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 882 | // |
| 883 | // The ClassLinker will use this to match DexFiles the boot class |
| 884 | // path to DexCache::GetLocation when loading from an image. |
| 885 | const std::string location_; |
| 886 | |
Brian Carlstrom | 5b332c8 | 2012-02-01 15:02:31 -0800 | [diff] [blame] | 887 | const uint32_t location_checksum_; |
| 888 | |
Brian Carlstrom | 33f741e | 2011-10-03 11:24:05 -0700 | [diff] [blame] | 889 | // Manages the underlying memory allocation. |
| 890 | UniquePtr<MemMap> mem_map_; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 891 | |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 892 | // The DEX-to-DEX compiler uses this lock to ensure thread safety when |
| 893 | // enabling write access to a read-only DEX file. |
| 894 | // TODO: move to Locks::dex_file_modification_lock. |
| 895 | Mutex modification_lock; |
| 896 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 897 | // Points to the header section. |
| 898 | const Header* header_; |
| 899 | |
| 900 | // Points to the base of the string identifier list. |
| 901 | const StringId* string_ids_; |
| 902 | |
| 903 | // Points to the base of the type identifier list. |
| 904 | const TypeId* type_ids_; |
| 905 | |
| 906 | // Points to the base of the field identifier list. |
| 907 | const FieldId* field_ids_; |
| 908 | |
| 909 | // Points to the base of the method identifier list. |
| 910 | const MethodId* method_ids_; |
| 911 | |
| 912 | // Points to the base of the prototype identifier list. |
| 913 | const ProtoId* proto_ids_; |
| 914 | |
| 915 | // Points to the base of the class definition list. |
| 916 | const ClassDef* class_defs_; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 917 | }; |
| 918 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 919 | // Iterate over a dex file's ProtoId's paramters |
| 920 | class DexFileParameterIterator { |
| 921 | public: |
| 922 | DexFileParameterIterator(const DexFile& dex_file, const DexFile::ProtoId& proto_id) |
| 923 | : dex_file_(dex_file), size_(0), pos_(0) { |
| 924 | type_list_ = dex_file_.GetProtoParameters(proto_id); |
| 925 | if (type_list_ != NULL) { |
| 926 | size_ = type_list_->Size(); |
| 927 | } |
| 928 | } |
| 929 | bool HasNext() const { return pos_ < size_; } |
| 930 | void Next() { ++pos_; } |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 931 | uint16_t GetTypeIdx() { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 932 | return type_list_->GetTypeItem(pos_).type_idx_; |
| 933 | } |
| 934 | const char* GetDescriptor() { |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 935 | return dex_file_.StringByTypeIdx(GetTypeIdx()); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 936 | } |
| 937 | private: |
| 938 | const DexFile& dex_file_; |
| 939 | const DexFile::TypeList* type_list_; |
| 940 | uint32_t size_; |
| 941 | uint32_t pos_; |
| 942 | DISALLOW_IMPLICIT_CONSTRUCTORS(DexFileParameterIterator); |
| 943 | }; |
| 944 | |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 945 | // Abstract the signature of a method. |
| 946 | class Signature { |
| 947 | public: |
| 948 | std::string ToString() const; |
| 949 | |
| 950 | static Signature NoSignature() { |
| 951 | return Signature(); |
| 952 | } |
| 953 | |
| 954 | bool operator==(const Signature& rhs) const { |
| 955 | if (dex_file_ == nullptr) { |
| 956 | return rhs.dex_file_ == nullptr; |
| 957 | } |
| 958 | if (rhs.dex_file_ == nullptr) { |
| 959 | return false; |
| 960 | } |
| 961 | if (dex_file_ == rhs.dex_file_) { |
| 962 | return proto_id_ == rhs.proto_id_; |
| 963 | } |
| 964 | StringPiece shorty(dex_file_->StringDataAsStringPieceByIdx(proto_id_->shorty_idx_)); |
| 965 | if (shorty != rhs.dex_file_->StringDataAsStringPieceByIdx(rhs.proto_id_->shorty_idx_)) { |
| 966 | return false; // Shorty mismatch. |
| 967 | } |
| 968 | if (shorty[0] == 'L') { |
| 969 | const DexFile::TypeId& return_type_id = dex_file_->GetTypeId(proto_id_->return_type_idx_); |
| 970 | const DexFile::TypeId& rhs_return_type_id = |
| 971 | rhs.dex_file_->GetTypeId(rhs.proto_id_->return_type_idx_); |
| 972 | if (dex_file_->StringDataAsStringPieceByIdx(return_type_id.descriptor_idx_) != |
| 973 | rhs.dex_file_->StringDataAsStringPieceByIdx(rhs_return_type_id.descriptor_idx_)) { |
| 974 | return false; // Return type mismatch. |
| 975 | } |
| 976 | } |
| 977 | if (shorty.find('L', 1) != StringPiece::npos) { |
| 978 | const DexFile::TypeList* params = dex_file_->GetProtoParameters(*proto_id_); |
| 979 | const DexFile::TypeList* rhs_params = rhs.dex_file_->GetProtoParameters(*rhs.proto_id_); |
| 980 | // Both lists are empty or have contents, or else shorty is broken. |
| 981 | DCHECK_EQ(params == nullptr, rhs_params == nullptr); |
| 982 | if (params != nullptr) { |
| 983 | uint32_t params_size = params->Size(); |
| 984 | DCHECK_EQ(params_size, rhs_params->Size()); // Parameter list size must match. |
| 985 | for (uint32_t i = 0; i < params_size; ++i) { |
| 986 | const DexFile::TypeId& param_id = dex_file_->GetTypeId(params->GetTypeItem(i).type_idx_); |
| 987 | const DexFile::TypeId& rhs_param_id = |
| 988 | rhs.dex_file_->GetTypeId(rhs_params->GetTypeItem(i).type_idx_); |
| 989 | if (dex_file_->StringDataAsStringPieceByIdx(param_id.descriptor_idx_) != |
| 990 | rhs.dex_file_->StringDataAsStringPieceByIdx(rhs_param_id.descriptor_idx_)) { |
| 991 | return false; // Parameter type mismatch. |
| 992 | } |
| 993 | } |
| 994 | } |
| 995 | } |
| 996 | return true; |
| 997 | } |
| 998 | |
| 999 | bool operator!=(const Signature& rhs) const { |
| 1000 | return !(*this == rhs); |
| 1001 | } |
| 1002 | |
| 1003 | bool operator==(const StringPiece& rhs) const { |
| 1004 | // TODO: Avoid temporary string allocation. |
| 1005 | return ToString() == rhs; |
| 1006 | } |
| 1007 | |
| 1008 | private: |
| 1009 | Signature(const DexFile* dex, const DexFile::ProtoId& proto) : dex_file_(dex), proto_id_(&proto) { |
| 1010 | } |
| 1011 | |
| 1012 | Signature() : dex_file_(nullptr), proto_id_(nullptr) { |
| 1013 | } |
| 1014 | |
| 1015 | friend class DexFile; |
| 1016 | |
| 1017 | const DexFile* const dex_file_; |
| 1018 | const DexFile::ProtoId* const proto_id_; |
| 1019 | }; |
| 1020 | std::ostream& operator<<(std::ostream& os, const Signature& sig); |
| 1021 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1022 | // Iterate and decode class_data_item |
| 1023 | class ClassDataItemIterator { |
| 1024 | public: |
| 1025 | ClassDataItemIterator(const DexFile& dex_file, const byte* raw_class_data_item) |
| 1026 | : dex_file_(dex_file), pos_(0), ptr_pos_(raw_class_data_item), last_idx_(0) { |
| 1027 | ReadClassDataHeader(); |
| 1028 | if (EndOfInstanceFieldsPos() > 0) { |
| 1029 | ReadClassDataField(); |
| 1030 | } else if (EndOfVirtualMethodsPos() > 0) { |
| 1031 | ReadClassDataMethod(); |
| 1032 | } |
| 1033 | } |
| 1034 | uint32_t NumStaticFields() const { |
| 1035 | return header_.static_fields_size_; |
| 1036 | } |
| 1037 | uint32_t NumInstanceFields() const { |
| 1038 | return header_.instance_fields_size_; |
| 1039 | } |
| 1040 | uint32_t NumDirectMethods() const { |
| 1041 | return header_.direct_methods_size_; |
| 1042 | } |
| 1043 | uint32_t NumVirtualMethods() const { |
| 1044 | return header_.virtual_methods_size_; |
| 1045 | } |
| 1046 | bool HasNextStaticField() const { |
| 1047 | return pos_ < EndOfStaticFieldsPos(); |
| 1048 | } |
| 1049 | bool HasNextInstanceField() const { |
| 1050 | return pos_ >= EndOfStaticFieldsPos() && pos_ < EndOfInstanceFieldsPos(); |
| 1051 | } |
| 1052 | bool HasNextDirectMethod() const { |
| 1053 | return pos_ >= EndOfInstanceFieldsPos() && pos_ < EndOfDirectMethodsPos(); |
| 1054 | } |
| 1055 | bool HasNextVirtualMethod() const { |
| 1056 | return pos_ >= EndOfDirectMethodsPos() && pos_ < EndOfVirtualMethodsPos(); |
| 1057 | } |
| 1058 | bool HasNext() const { |
| 1059 | return pos_ < EndOfVirtualMethodsPos(); |
| 1060 | } |
Ian Rogers | 637c65b | 2013-05-31 11:46:00 -0700 | [diff] [blame] | 1061 | inline void Next() { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1062 | pos_++; |
| 1063 | if (pos_ < EndOfStaticFieldsPos()) { |
| 1064 | last_idx_ = GetMemberIndex(); |
| 1065 | ReadClassDataField(); |
| 1066 | } else if (pos_ == EndOfStaticFieldsPos() && NumInstanceFields() > 0) { |
| 1067 | last_idx_ = 0; // transition to next array, reset last index |
| 1068 | ReadClassDataField(); |
| 1069 | } else if (pos_ < EndOfInstanceFieldsPos()) { |
| 1070 | last_idx_ = GetMemberIndex(); |
| 1071 | ReadClassDataField(); |
| 1072 | } else if (pos_ == EndOfInstanceFieldsPos() && NumDirectMethods() > 0) { |
| 1073 | last_idx_ = 0; // transition to next array, reset last index |
| 1074 | ReadClassDataMethod(); |
| 1075 | } else if (pos_ < EndOfDirectMethodsPos()) { |
| 1076 | last_idx_ = GetMemberIndex(); |
| 1077 | ReadClassDataMethod(); |
| 1078 | } else if (pos_ == EndOfDirectMethodsPos() && NumVirtualMethods() > 0) { |
| 1079 | last_idx_ = 0; // transition to next array, reset last index |
| 1080 | ReadClassDataMethod(); |
| 1081 | } else if (pos_ < EndOfVirtualMethodsPos()) { |
| 1082 | last_idx_ = GetMemberIndex(); |
| 1083 | ReadClassDataMethod(); |
| 1084 | } else { |
| 1085 | DCHECK(!HasNext()); |
| 1086 | } |
| 1087 | } |
| 1088 | uint32_t GetMemberIndex() const { |
| 1089 | if (pos_ < EndOfInstanceFieldsPos()) { |
| 1090 | return last_idx_ + field_.field_idx_delta_; |
| 1091 | } else { |
Sebastien Hertz | b24bd99 | 2013-08-02 15:19:09 +0200 | [diff] [blame] | 1092 | DCHECK_LT(pos_, EndOfVirtualMethodsPos()); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1093 | return last_idx_ + method_.method_idx_delta_; |
| 1094 | } |
| 1095 | } |
| 1096 | uint32_t GetMemberAccessFlags() const { |
| 1097 | if (pos_ < EndOfInstanceFieldsPos()) { |
| 1098 | return field_.access_flags_; |
| 1099 | } else { |
Sebastien Hertz | b24bd99 | 2013-08-02 15:19:09 +0200 | [diff] [blame] | 1100 | DCHECK_LT(pos_, EndOfVirtualMethodsPos()); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1101 | return method_.access_flags_; |
| 1102 | } |
| 1103 | } |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 1104 | InvokeType GetMethodInvokeType(const DexFile::ClassDef& class_def) const { |
| 1105 | if (HasNextDirectMethod()) { |
Brian Carlstrom | df62950 | 2013-07-17 22:39:56 -0700 | [diff] [blame] | 1106 | if ((GetMemberAccessFlags() & kAccStatic) != 0) { |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 1107 | return kStatic; |
| 1108 | } else { |
| 1109 | return kDirect; |
| 1110 | } |
| 1111 | } else { |
Sebastien Hertz | b24bd99 | 2013-08-02 15:19:09 +0200 | [diff] [blame] | 1112 | DCHECK_EQ(GetMemberAccessFlags() & kAccStatic, 0U); |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 1113 | if ((class_def.access_flags_ & kAccInterface) != 0) { |
| 1114 | return kInterface; |
| 1115 | } else if ((GetMemberAccessFlags() & kAccConstructor) != 0) { |
| 1116 | return kSuper; |
| 1117 | } else { |
| 1118 | return kVirtual; |
| 1119 | } |
| 1120 | } |
| 1121 | } |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1122 | const DexFile::CodeItem* GetMethodCodeItem() const { |
| 1123 | return dex_file_.GetCodeItem(method_.code_off_); |
| 1124 | } |
| 1125 | uint32_t GetMethodCodeItemOffset() const { |
| 1126 | return method_.code_off_; |
| 1127 | } |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 1128 | const byte* EndDataPointer() const { |
| 1129 | CHECK(!HasNext()); |
| 1130 | return ptr_pos_; |
| 1131 | } |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 1132 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1133 | private: |
| 1134 | // A dex file's class_data_item is leb128 encoded, this structure holds a decoded form of the |
| 1135 | // header for a class_data_item |
| 1136 | struct ClassDataHeader { |
| 1137 | uint32_t static_fields_size_; // the number of static fields |
| 1138 | uint32_t instance_fields_size_; // the number of instance fields |
| 1139 | uint32_t direct_methods_size_; // the number of direct methods |
| 1140 | uint32_t virtual_methods_size_; // the number of virtual methods |
| 1141 | } header_; |
| 1142 | |
| 1143 | // Read and decode header from a class_data_item stream into header |
| 1144 | void ReadClassDataHeader(); |
| 1145 | |
| 1146 | uint32_t EndOfStaticFieldsPos() const { |
| 1147 | return header_.static_fields_size_; |
| 1148 | } |
| 1149 | uint32_t EndOfInstanceFieldsPos() const { |
| 1150 | return EndOfStaticFieldsPos() + header_.instance_fields_size_; |
| 1151 | } |
| 1152 | uint32_t EndOfDirectMethodsPos() const { |
| 1153 | return EndOfInstanceFieldsPos() + header_.direct_methods_size_; |
| 1154 | } |
| 1155 | uint32_t EndOfVirtualMethodsPos() const { |
| 1156 | return EndOfDirectMethodsPos() + header_.virtual_methods_size_; |
| 1157 | } |
| 1158 | |
| 1159 | // A decoded version of the field of a class_data_item |
| 1160 | struct ClassDataField { |
| 1161 | uint32_t field_idx_delta_; // delta of index into the field_ids array for FieldId |
| 1162 | uint32_t access_flags_; // access flags for the field |
| 1163 | ClassDataField() : field_idx_delta_(0), access_flags_(0) {} |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 1164 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1165 | private: |
| 1166 | DISALLOW_COPY_AND_ASSIGN(ClassDataField); |
Elliott Hughes | ee0fa76 | 2012-03-26 17:12:41 -0700 | [diff] [blame] | 1167 | }; |
| 1168 | ClassDataField field_; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1169 | |
| 1170 | // Read and decode a field from a class_data_item stream into field |
| 1171 | void ReadClassDataField(); |
| 1172 | |
| 1173 | // A decoded version of the method of a class_data_item |
| 1174 | struct ClassDataMethod { |
| 1175 | uint32_t method_idx_delta_; // delta of index into the method_ids array for MethodId |
| 1176 | uint32_t access_flags_; |
| 1177 | uint32_t code_off_; |
| 1178 | ClassDataMethod() : method_idx_delta_(0), access_flags_(0), code_off_(0) {} |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 1179 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1180 | private: |
| 1181 | DISALLOW_COPY_AND_ASSIGN(ClassDataMethod); |
Elliott Hughes | ee0fa76 | 2012-03-26 17:12:41 -0700 | [diff] [blame] | 1182 | }; |
| 1183 | ClassDataMethod method_; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1184 | |
| 1185 | // Read and decode a method from a class_data_item stream into method |
| 1186 | void ReadClassDataMethod(); |
| 1187 | |
| 1188 | const DexFile& dex_file_; |
| 1189 | size_t pos_; // integral number of items passed |
| 1190 | const byte* ptr_pos_; // pointer into stream of class_data_item |
| 1191 | uint32_t last_idx_; // last read field or method index to apply delta to |
| 1192 | DISALLOW_IMPLICIT_CONSTRUCTORS(ClassDataItemIterator); |
| 1193 | }; |
| 1194 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1195 | class EncodedStaticFieldValueIterator { |
| 1196 | public: |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 1197 | EncodedStaticFieldValueIterator(const DexFile& dex_file, mirror::DexCache* dex_cache, |
| 1198 | mirror::ClassLoader* class_loader, |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1199 | ClassLinker* linker, const DexFile::ClassDef& class_def) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1200 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1201 | |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 1202 | void ReadValueToField(mirror::ArtField* field) const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1203 | |
| 1204 | bool HasNext() { return pos_ < array_size_; } |
| 1205 | |
| 1206 | void Next(); |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 1207 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1208 | enum ValueType { |
| 1209 | kByte = 0x00, |
| 1210 | kShort = 0x02, |
| 1211 | kChar = 0x03, |
| 1212 | kInt = 0x04, |
| 1213 | kLong = 0x06, |
| 1214 | kFloat = 0x10, |
| 1215 | kDouble = 0x11, |
| 1216 | kString = 0x17, |
| 1217 | kType = 0x18, |
| 1218 | kField = 0x19, |
| 1219 | kMethod = 0x1a, |
| 1220 | kEnum = 0x1b, |
| 1221 | kArray = 0x1c, |
| 1222 | kAnnotation = 0x1d, |
| 1223 | kNull = 0x1e, |
| 1224 | kBoolean = 0x1f |
| 1225 | }; |
| 1226 | |
Brian Carlstrom | 88f3654 | 2012-10-16 23:24:21 -0700 | [diff] [blame] | 1227 | private: |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1228 | static const byte kEncodedValueTypeMask = 0x1f; // 0b11111 |
| 1229 | static const byte kEncodedValueArgShift = 5; |
| 1230 | |
| 1231 | const DexFile& dex_file_; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 1232 | mirror::DexCache* dex_cache_; // Dex cache to resolve literal objects. |
| 1233 | mirror::ClassLoader* class_loader_; // ClassLoader to resolve types. |
| 1234 | ClassLinker* linker_; // Linker to resolve literal objects. |
| 1235 | size_t array_size_; // Size of array. |
| 1236 | size_t pos_; // Current position. |
| 1237 | const byte* ptr_; // Pointer into encoded data array. |
| 1238 | ValueType type_; // Type of current encoded value. |
| 1239 | jvalue jval_; // Value of current encoded value. |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1240 | DISALLOW_IMPLICIT_CONSTRUCTORS(EncodedStaticFieldValueIterator); |
| 1241 | }; |
Brian Carlstrom | 88f3654 | 2012-10-16 23:24:21 -0700 | [diff] [blame] | 1242 | std::ostream& operator<<(std::ostream& os, const EncodedStaticFieldValueIterator::ValueType& code); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1243 | |
| 1244 | class CatchHandlerIterator { |
| 1245 | public: |
| 1246 | CatchHandlerIterator(const DexFile::CodeItem& code_item, uint32_t address); |
Logan Chien | 736df02 | 2012-04-27 16:25:57 +0800 | [diff] [blame] | 1247 | |
| 1248 | CatchHandlerIterator(const DexFile::CodeItem& code_item, |
| 1249 | const DexFile::TryItem& try_item); |
| 1250 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1251 | explicit CatchHandlerIterator(const byte* handler_data) { |
| 1252 | Init(handler_data); |
| 1253 | } |
| 1254 | |
| 1255 | uint16_t GetHandlerTypeIndex() const { |
| 1256 | return handler_.type_idx_; |
| 1257 | } |
| 1258 | uint32_t GetHandlerAddress() const { |
| 1259 | return handler_.address_; |
| 1260 | } |
| 1261 | void Next(); |
| 1262 | bool HasNext() const { |
| 1263 | return remaining_count_ != -1 || catch_all_; |
| 1264 | } |
| 1265 | // End of this set of catch blocks, convenience method to locate next set of catch blocks |
| 1266 | const byte* EndDataPointer() const { |
| 1267 | CHECK(!HasNext()); |
| 1268 | return current_data_; |
| 1269 | } |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 1270 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1271 | private: |
Logan Chien | 736df02 | 2012-04-27 16:25:57 +0800 | [diff] [blame] | 1272 | void Init(const DexFile::CodeItem& code_item, int32_t offset); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1273 | void Init(const byte* handler_data); |
| 1274 | |
| 1275 | struct CatchHandlerItem { |
| 1276 | uint16_t type_idx_; // type index of the caught exception type |
| 1277 | uint32_t address_; // handler address |
| 1278 | } handler_; |
| 1279 | const byte *current_data_; // the current handler in dex file. |
| 1280 | int32_t remaining_count_; // number of handlers not read. |
| 1281 | bool catch_all_; // is there a handler that will catch all exceptions in case |
| 1282 | // that all typed handler does not match. |
| 1283 | }; |
| 1284 | |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1285 | } // namespace art |
| 1286 | |
Brian Carlstrom | fc0e321 | 2013-07-17 14:40:12 -0700 | [diff] [blame] | 1287 | #endif // ART_RUNTIME_DEX_FILE_H_ |