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 | |
Ian Rogers | 700a402 | 2014-05-19 16:49:03 -0700 | [diff] [blame] | 20 | #include <memory> |
Elliott Hughes | 0c424cb | 2011-08-26 10:16:25 -0700 | [diff] [blame] | 21 | #include <string> |
Brian Carlstrom | 74eb46a | 2011-08-02 20:10:14 -0700 | [diff] [blame] | 22 | #include <vector> |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 23 | |
Elliott Hughes | 07ed66b | 2012-12-12 18:34:25 -0800 | [diff] [blame] | 24 | #include "base/logging.h" |
Ian Rogers | 03b6eaf | 2014-10-28 09:34:57 -0700 | [diff] [blame] | 25 | #include "base/value_object.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" |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 29 | #include "modifiers.h" |
Ian Rogers | 68b5685 | 2014-08-29 20:19:11 -0700 | [diff] [blame] | 30 | #include "utf.h" |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 31 | |
| 32 | namespace art { |
| 33 | |
Ian Rogers | 576ca0c | 2014-06-06 15:58:22 -0700 | [diff] [blame] | 34 | class MemMap; |
Richard Uhler | 07b3c23 | 2015-03-31 15:57:54 -0700 | [diff] [blame] | 35 | class OatDexFile; |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 36 | class Signature; |
Ian Rogers | fc0e94b | 2013-09-23 23:51:32 -0700 | [diff] [blame] | 37 | class StringPiece; |
Brian Carlstrom | a6cc893 | 2012-01-04 14:44:07 -0800 | [diff] [blame] | 38 | class ZipArchive; |
| 39 | |
Brian Carlstrom | f615a61 | 2011-07-23 12:50:34 -0700 | [diff] [blame] | 40 | class DexFile { |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 41 | public: |
Roland Levillain | 621b5ea | 2016-05-18 11:41:33 +0100 | [diff] [blame] | 42 | // First Dex format version supporting default methods. |
Alex Light | b55f1ac | 2016-04-12 15:50:55 -0700 | [diff] [blame] | 43 | static const uint32_t kDefaultMethodsVersion = 37; |
Roland Levillain | 621b5ea | 2016-05-18 11:41:33 +0100 | [diff] [blame] | 44 | // First Dex format version enforcing class definition ordering rules. |
| 45 | static const uint32_t kClassDefinitionOrderEnforcedVersion = 37; |
| 46 | |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 47 | static const uint8_t kDexMagic[]; |
Narayan Kamath | 52e6650 | 2016-08-01 14:20:31 +0100 | [diff] [blame] | 48 | static constexpr size_t kNumDexVersions = 3; |
Alex Light | c496181 | 2016-03-23 10:20:41 -0700 | [diff] [blame] | 49 | static constexpr size_t kDexVersionLen = 4; |
| 50 | static const uint8_t kDexMagicVersions[kNumDexVersions][kDexVersionLen]; |
| 51 | |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 52 | static constexpr size_t kSha1DigestSize = 20; |
| 53 | static constexpr 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 | |
Alex Light | c496181 | 2016-03-23 10:20:41 -0700 | [diff] [blame] | 64 | // The separator character in MultiDex locations. |
Andreas Gampe | 833a485 | 2014-05-21 18:46:59 -0700 | [diff] [blame] | 65 | static constexpr char kMultiDexSeparator = ':'; |
| 66 | |
| 67 | // A string version of the previous. This is a define so that we can merge string literals in the |
| 68 | // preprocessor. |
| 69 | #define kMultiDexSeparatorString ":" |
| 70 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 71 | // Raw header_item. |
| 72 | struct Header { |
| 73 | uint8_t magic_[8]; |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 74 | uint32_t checksum_; // See also location_checksum_ |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 75 | uint8_t signature_[kSha1DigestSize]; |
jeffhao | f6174e8 | 2012-01-31 16:14:17 -0800 | [diff] [blame] | 76 | uint32_t file_size_; // size of entire file |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 77 | uint32_t header_size_; // offset to start of next section |
| 78 | uint32_t endian_tag_; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 79 | uint32_t link_size_; // unused |
| 80 | uint32_t link_off_; // unused |
| 81 | uint32_t map_off_; // unused |
| 82 | uint32_t string_ids_size_; // number of StringIds |
| 83 | uint32_t string_ids_off_; // file offset of StringIds array |
| 84 | uint32_t type_ids_size_; // number of TypeIds, we don't support more than 65535 |
| 85 | uint32_t type_ids_off_; // file offset of TypeIds array |
| 86 | uint32_t proto_ids_size_; // number of ProtoIds, we don't support more than 65535 |
| 87 | uint32_t proto_ids_off_; // file offset of ProtoIds array |
| 88 | uint32_t field_ids_size_; // number of FieldIds |
| 89 | uint32_t field_ids_off_; // file offset of FieldIds array |
| 90 | uint32_t method_ids_size_; // number of MethodIds |
| 91 | uint32_t method_ids_off_; // file offset of MethodIds array |
| 92 | uint32_t class_defs_size_; // number of ClassDefs |
| 93 | uint32_t class_defs_off_; // file offset of ClassDef array |
| 94 | uint32_t data_size_; // unused |
| 95 | uint32_t data_off_; // unused |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 96 | |
Andreas Gampe | 76ed99d | 2016-03-28 18:31:29 -0700 | [diff] [blame] | 97 | // Decode the dex magic version |
| 98 | uint32_t GetVersion() const; |
| 99 | |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 100 | private: |
| 101 | DISALLOW_COPY_AND_ASSIGN(Header); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 102 | }; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 103 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 104 | // Map item type codes. |
| 105 | enum { |
| 106 | kDexTypeHeaderItem = 0x0000, |
| 107 | kDexTypeStringIdItem = 0x0001, |
| 108 | kDexTypeTypeIdItem = 0x0002, |
| 109 | kDexTypeProtoIdItem = 0x0003, |
| 110 | kDexTypeFieldIdItem = 0x0004, |
| 111 | kDexTypeMethodIdItem = 0x0005, |
| 112 | kDexTypeClassDefItem = 0x0006, |
| 113 | kDexTypeMapList = 0x1000, |
| 114 | kDexTypeTypeList = 0x1001, |
| 115 | kDexTypeAnnotationSetRefList = 0x1002, |
| 116 | kDexTypeAnnotationSetItem = 0x1003, |
| 117 | kDexTypeClassDataItem = 0x2000, |
| 118 | kDexTypeCodeItem = 0x2001, |
| 119 | kDexTypeStringDataItem = 0x2002, |
| 120 | kDexTypeDebugInfoItem = 0x2003, |
| 121 | kDexTypeAnnotationItem = 0x2004, |
| 122 | kDexTypeEncodedArrayItem = 0x2005, |
| 123 | kDexTypeAnnotationsDirectoryItem = 0x2006, |
| 124 | }; |
| 125 | |
| 126 | struct MapItem { |
| 127 | uint16_t type_; |
| 128 | uint16_t unused_; |
| 129 | uint32_t size_; |
| 130 | uint32_t offset_; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 131 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 132 | private: |
| 133 | DISALLOW_COPY_AND_ASSIGN(MapItem); |
| 134 | }; |
| 135 | |
| 136 | struct MapList { |
| 137 | uint32_t size_; |
| 138 | MapItem list_[1]; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 139 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 140 | private: |
| 141 | DISALLOW_COPY_AND_ASSIGN(MapList); |
| 142 | }; |
| 143 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 144 | // Raw string_id_item. |
| 145 | struct StringId { |
| 146 | uint32_t string_data_off_; // offset in bytes from the base address |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 147 | |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 148 | private: |
| 149 | DISALLOW_COPY_AND_ASSIGN(StringId); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 150 | }; |
| 151 | |
| 152 | // Raw type_id_item. |
| 153 | struct TypeId { |
| 154 | uint32_t descriptor_idx_; // index into string_ids |
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(TypeId); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 158 | }; |
| 159 | |
| 160 | // Raw field_id_item. |
| 161 | struct FieldId { |
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 type_idx_; // index into type_ids_ array for field type |
| 164 | uint32_t name_idx_; // index into string_ids_ array for field 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(FieldId); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 168 | }; |
| 169 | |
| 170 | // Raw method_id_item. |
| 171 | struct MethodId { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 172 | uint16_t class_idx_; // index into type_ids_ array for defining class |
| 173 | uint16_t proto_idx_; // index into proto_ids_ array for method prototype |
| 174 | uint32_t name_idx_; // index into string_ids_ array for method name |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 175 | |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 176 | private: |
| 177 | DISALLOW_COPY_AND_ASSIGN(MethodId); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 178 | }; |
| 179 | |
| 180 | // Raw proto_id_item. |
| 181 | struct ProtoId { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 182 | uint32_t shorty_idx_; // index into string_ids array for shorty descriptor |
| 183 | uint16_t return_type_idx_; // index into type_ids array for return type |
| 184 | uint16_t pad_; // padding = 0 |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 185 | uint32_t parameters_off_; // file offset to type_list for parameter types |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 186 | |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 187 | private: |
| 188 | DISALLOW_COPY_AND_ASSIGN(ProtoId); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 189 | }; |
| 190 | |
| 191 | // Raw class_def_item. |
| 192 | struct ClassDef { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 193 | uint16_t class_idx_; // index into type_ids_ array for this class |
| 194 | uint16_t pad1_; // padding = 0 |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 195 | uint32_t access_flags_; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 196 | uint16_t superclass_idx_; // index into type_ids_ array for superclass |
| 197 | uint16_t pad2_; // padding = 0 |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 198 | uint32_t interfaces_off_; // file offset to TypeList |
Brian Carlstrom | 4a96b60 | 2011-07-26 16:40:23 -0700 | [diff] [blame] | 199 | 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] | 200 | uint32_t annotations_off_; // file offset to annotations_directory_item |
| 201 | uint32_t class_data_off_; // file offset to class_data_item |
| 202 | uint32_t static_values_off_; // file offset to EncodedArray |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 203 | |
Andreas Gampe | 5182932 | 2014-08-25 15:05:04 -0700 | [diff] [blame] | 204 | // Returns the valid access flags, that is, Java modifier bits relevant to the ClassDef type |
| 205 | // (class or interface). These are all in the lower 16b and do not contain runtime flags. |
| 206 | uint32_t GetJavaAccessFlags() const { |
| 207 | // Make sure that none of our runtime-only flags are set. |
Andreas Gampe | 575e78c | 2014-11-03 23:41:03 -0800 | [diff] [blame] | 208 | static_assert((kAccValidClassFlags & kAccJavaFlagsMask) == kAccValidClassFlags, |
| 209 | "Valid class flags not a subset of Java flags"); |
| 210 | static_assert((kAccValidInterfaceFlags & kAccJavaFlagsMask) == kAccValidInterfaceFlags, |
| 211 | "Valid interface flags not a subset of Java flags"); |
Andreas Gampe | 5182932 | 2014-08-25 15:05:04 -0700 | [diff] [blame] | 212 | |
| 213 | if ((access_flags_ & kAccInterface) != 0) { |
| 214 | // Interface. |
| 215 | return access_flags_ & kAccValidInterfaceFlags; |
| 216 | } else { |
| 217 | // Class. |
| 218 | return access_flags_ & kAccValidClassFlags; |
| 219 | } |
| 220 | } |
| 221 | |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 222 | private: |
| 223 | DISALLOW_COPY_AND_ASSIGN(ClassDef); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 224 | }; |
| 225 | |
| 226 | // Raw type_item. |
| 227 | struct TypeItem { |
| 228 | uint16_t type_idx_; // index into type_ids section |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 229 | |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 230 | private: |
| 231 | DISALLOW_COPY_AND_ASSIGN(TypeItem); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 232 | }; |
| 233 | |
| 234 | // Raw type_list. |
| 235 | class TypeList { |
| 236 | public: |
| 237 | uint32_t Size() const { |
| 238 | return size_; |
| 239 | } |
| 240 | |
| 241 | const TypeItem& GetTypeItem(uint32_t idx) const { |
Sebastien Hertz | b24bd99 | 2013-08-02 15:19:09 +0200 | [diff] [blame] | 242 | DCHECK_LT(idx, this->size_); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 243 | return this->list_[idx]; |
| 244 | } |
| 245 | |
Andreas Gampe | 31a7a0c | 2014-08-29 16:07:49 -0700 | [diff] [blame] | 246 | // Size in bytes of the part of the list that is common. |
| 247 | static constexpr size_t GetHeaderSize() { |
| 248 | return 4U; |
| 249 | } |
| 250 | |
| 251 | // Size in bytes of the whole type list including all the stored elements. |
| 252 | static constexpr size_t GetListSize(size_t count) { |
| 253 | return GetHeaderSize() + sizeof(TypeItem) * count; |
| 254 | } |
| 255 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 256 | private: |
| 257 | uint32_t size_; // size of the list, in entries |
| 258 | TypeItem list_[1]; // elements of the list |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 259 | DISALLOW_COPY_AND_ASSIGN(TypeList); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 260 | }; |
| 261 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 262 | // Raw code_item. |
| 263 | struct CodeItem { |
Igor Murashkin | c449e8b | 2015-06-10 15:56:42 -0700 | [diff] [blame] | 264 | uint16_t registers_size_; // the number of registers used by this code |
| 265 | // (locals + parameters) |
| 266 | uint16_t ins_size_; // the number of words of incoming arguments to the method |
| 267 | // that this code is for |
| 268 | uint16_t outs_size_; // the number of words of outgoing argument space required |
| 269 | // by this code for method invocation |
| 270 | uint16_t tries_size_; // the number of try_items for this instance. If non-zero, |
| 271 | // then these appear as the tries array just after the |
| 272 | // insns in this instance. |
| 273 | uint32_t debug_info_off_; // file offset to debug info stream |
Ian Rogers | d81871c | 2011-10-03 13:57:23 -0700 | [diff] [blame] | 274 | uint32_t insns_size_in_code_units_; // size of the insns array, in 2 byte code units |
Igor Murashkin | c449e8b | 2015-06-10 15:56:42 -0700 | [diff] [blame] | 275 | uint16_t insns_[1]; // actual array of bytecode. |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 276 | |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 277 | private: |
| 278 | DISALLOW_COPY_AND_ASSIGN(CodeItem); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 279 | }; |
| 280 | |
Carl Shapiro | 2eaa968 | 2011-08-04 19:26:11 -0700 | [diff] [blame] | 281 | // Raw try_item. |
| 282 | struct TryItem { |
| 283 | uint32_t start_addr_; |
| 284 | uint16_t insn_count_; |
| 285 | uint16_t handler_off_; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 286 | |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 287 | private: |
| 288 | DISALLOW_COPY_AND_ASSIGN(TryItem); |
Carl Shapiro | 2eaa968 | 2011-08-04 19:26:11 -0700 | [diff] [blame] | 289 | }; |
| 290 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 291 | // Annotation constants. |
| 292 | enum { |
| 293 | kDexVisibilityBuild = 0x00, /* annotation visibility */ |
| 294 | kDexVisibilityRuntime = 0x01, |
| 295 | kDexVisibilitySystem = 0x02, |
| 296 | |
| 297 | kDexAnnotationByte = 0x00, |
| 298 | kDexAnnotationShort = 0x02, |
| 299 | kDexAnnotationChar = 0x03, |
| 300 | kDexAnnotationInt = 0x04, |
| 301 | kDexAnnotationLong = 0x06, |
| 302 | kDexAnnotationFloat = 0x10, |
| 303 | kDexAnnotationDouble = 0x11, |
| 304 | kDexAnnotationString = 0x17, |
| 305 | kDexAnnotationType = 0x18, |
| 306 | kDexAnnotationField = 0x19, |
| 307 | kDexAnnotationMethod = 0x1a, |
| 308 | kDexAnnotationEnum = 0x1b, |
| 309 | kDexAnnotationArray = 0x1c, |
| 310 | kDexAnnotationAnnotation = 0x1d, |
| 311 | kDexAnnotationNull = 0x1e, |
| 312 | kDexAnnotationBoolean = 0x1f, |
| 313 | |
| 314 | kDexAnnotationValueTypeMask = 0x1f, /* low 5 bits */ |
| 315 | kDexAnnotationValueArgShift = 5, |
| 316 | }; |
| 317 | |
| 318 | struct AnnotationsDirectoryItem { |
| 319 | uint32_t class_annotations_off_; |
| 320 | uint32_t fields_size_; |
| 321 | uint32_t methods_size_; |
| 322 | uint32_t parameters_size_; |
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(AnnotationsDirectoryItem); |
| 326 | }; |
| 327 | |
| 328 | struct FieldAnnotationsItem { |
| 329 | uint32_t field_idx_; |
| 330 | uint32_t annotations_off_; |
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(FieldAnnotationsItem); |
| 334 | }; |
| 335 | |
| 336 | struct MethodAnnotationsItem { |
| 337 | uint32_t method_idx_; |
| 338 | uint32_t annotations_off_; |
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(MethodAnnotationsItem); |
| 342 | }; |
| 343 | |
| 344 | struct ParameterAnnotationsItem { |
| 345 | uint32_t method_idx_; |
| 346 | uint32_t annotations_off_; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 347 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 348 | private: |
| 349 | DISALLOW_COPY_AND_ASSIGN(ParameterAnnotationsItem); |
| 350 | }; |
| 351 | |
| 352 | struct AnnotationSetRefItem { |
| 353 | uint32_t annotations_off_; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 354 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 355 | private: |
| 356 | DISALLOW_COPY_AND_ASSIGN(AnnotationSetRefItem); |
| 357 | }; |
| 358 | |
| 359 | struct AnnotationSetRefList { |
| 360 | uint32_t size_; |
| 361 | AnnotationSetRefItem list_[1]; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 362 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 363 | private: |
| 364 | DISALLOW_COPY_AND_ASSIGN(AnnotationSetRefList); |
| 365 | }; |
| 366 | |
| 367 | struct AnnotationSetItem { |
| 368 | uint32_t size_; |
| 369 | uint32_t entries_[1]; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 370 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 371 | private: |
| 372 | DISALLOW_COPY_AND_ASSIGN(AnnotationSetItem); |
| 373 | }; |
| 374 | |
| 375 | struct AnnotationItem { |
| 376 | uint8_t visibility_; |
| 377 | uint8_t annotation_[1]; |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 378 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 379 | private: |
| 380 | DISALLOW_COPY_AND_ASSIGN(AnnotationItem); |
| 381 | }; |
| 382 | |
Jeff Hao | 13e748b | 2015-08-25 20:44:19 +0000 | [diff] [blame] | 383 | enum AnnotationResultStyle { // private |
| 384 | kAllObjects, |
| 385 | kPrimitivesOrObjects, |
| 386 | kAllRaw |
| 387 | }; |
| 388 | |
David Sehr | 9323e6e | 2016-09-13 08:58:35 -0700 | [diff] [blame] | 389 | struct AnnotationValue; |
| 390 | |
Brian Carlstrom | 5b332c8 | 2012-02-01 15:02:31 -0800 | [diff] [blame] | 391 | // Returns the checksum of a file for comparison with GetLocationChecksum(). |
| 392 | // For .dex files, this is the header checksum. |
| 393 | // For zip files, this is the classes.dex zip entry CRC32 checksum. |
| 394 | // Return true if the checksum could be found, false otherwise. |
Ian Rogers | 8d31bbd | 2013-10-13 10:44:14 -0700 | [diff] [blame] | 395 | 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] | 396 | |
Brian Carlstrom | 8952189 | 2011-12-07 22:05:07 -0800 | [diff] [blame] | 397 | // Opens .dex file, backed by existing memory |
David Sehr | 733ddb2 | 2016-09-19 15:02:18 -0700 | [diff] [blame] | 398 | static std::unique_ptr<const DexFile> Open(const uint8_t* base, |
| 399 | size_t size, |
Richard Uhler | fbef44d | 2014-12-23 09:48:51 -0800 | [diff] [blame] | 400 | const std::string& location, |
| 401 | uint32_t location_checksum, |
Richard Uhler | 07b3c23 | 2015-03-31 15:57:54 -0700 | [diff] [blame] | 402 | const OatDexFile* oat_dex_file, |
Andreas Gampe | 3a2bd29 | 2016-01-26 17:23:47 -0800 | [diff] [blame] | 403 | bool verify, |
Aart Bik | 37d6a3b | 2016-06-21 18:30:10 -0700 | [diff] [blame] | 404 | bool verify_checksum, |
Andreas Gampe | 3a2bd29 | 2016-01-26 17:23:47 -0800 | [diff] [blame] | 405 | std::string* error_msg); |
Brian Carlstrom | 8952189 | 2011-12-07 22:05:07 -0800 | [diff] [blame] | 406 | |
Orion Hodson | a4c2a05 | 2016-08-17 10:51:42 +0100 | [diff] [blame] | 407 | // Opens .dex file that has been memory-mapped by the caller. |
| 408 | static std::unique_ptr<const DexFile> Open(const std::string& location, |
| 409 | uint32_t location_checkum, |
| 410 | std::unique_ptr<MemMap> mem_map, |
| 411 | bool verify, |
| 412 | bool verify_checksum, |
| 413 | std::string* error_msg); |
| 414 | |
David Sehr | 733ddb2 | 2016-09-19 15:02:18 -0700 | [diff] [blame] | 415 | // Opens all .dex files found in the file, guessing the container format based on file extension. |
| 416 | static bool Open(const char* filename, |
| 417 | const std::string& location, |
| 418 | bool verify_checksum, |
| 419 | std::string* error_msg, |
| 420 | std::vector<std::unique_ptr<const DexFile>>* dex_files); |
Orion Hodson | a4c2a05 | 2016-08-17 10:51:42 +0100 | [diff] [blame] | 421 | |
David Sehr | 733ddb2 | 2016-09-19 15:02:18 -0700 | [diff] [blame] | 422 | // Open a single dex file from an fd. |
| 423 | static std::unique_ptr<const DexFile> OpenDex(int fd, |
| 424 | const std::string& location, |
| 425 | bool verify_checksum, |
| 426 | std::string* error_msg); |
| 427 | |
| 428 | // Opens dex files from within a .jar, .zip, or .apk file |
| 429 | static bool OpenZip(int fd, |
| 430 | const std::string& location, |
| 431 | bool verify_checksum, |
| 432 | std::string* error_msg, |
| 433 | std::vector<std::unique_ptr<const DexFile>>* dex_files); |
Brian Carlstrom | a6cc893 | 2012-01-04 14:44:07 -0800 | [diff] [blame] | 434 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 435 | // Closes a .dex file. |
Brian Carlstrom | f615a61 | 2011-07-23 12:50:34 -0700 | [diff] [blame] | 436 | virtual ~DexFile(); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 437 | |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 438 | const std::string& GetLocation() const { |
| 439 | return location_; |
| 440 | } |
| 441 | |
Andreas Gampe | cb8f9e8 | 2014-07-24 15:35:50 -0700 | [diff] [blame] | 442 | // For normal dex files, location and base location coincide. If a dex file is part of a multidex |
| 443 | // archive, the base location is the name of the originating jar/apk, stripped of any internal |
| 444 | // classes*.dex path. |
Vladimir Marko | aa4497d | 2014-09-05 14:01:17 +0100 | [diff] [blame] | 445 | static std::string GetBaseLocation(const char* location) { |
| 446 | const char* pos = strrchr(location, kMultiDexSeparator); |
| 447 | if (pos == nullptr) { |
| 448 | return location; |
Andreas Gampe | cb8f9e8 | 2014-07-24 15:35:50 -0700 | [diff] [blame] | 449 | } else { |
Vladimir Marko | aa4497d | 2014-09-05 14:01:17 +0100 | [diff] [blame] | 450 | return std::string(location, pos - location); |
| 451 | } |
| 452 | } |
| 453 | |
Richard Uhler | e5fed03 | 2015-03-18 08:21:11 -0700 | [diff] [blame] | 454 | static std::string GetBaseLocation(const std::string& location) { |
| 455 | return GetBaseLocation(location.c_str()); |
| 456 | } |
| 457 | |
| 458 | // Returns the ':classes*.dex' part of the dex location. Returns an empty |
| 459 | // string if there is no multidex suffix for the given location. |
| 460 | // The kMultiDexSeparator is included in the returned suffix. |
| 461 | static std::string GetMultiDexSuffix(const std::string& location) { |
| 462 | size_t pos = location.rfind(kMultiDexSeparator); |
Vladimir Marko | aa4497d | 2014-09-05 14:01:17 +0100 | [diff] [blame] | 463 | if (pos == std::string::npos) { |
Richard Uhler | e5fed03 | 2015-03-18 08:21:11 -0700 | [diff] [blame] | 464 | return ""; |
Vladimir Marko | aa4497d | 2014-09-05 14:01:17 +0100 | [diff] [blame] | 465 | } else { |
Richard Uhler | e5fed03 | 2015-03-18 08:21:11 -0700 | [diff] [blame] | 466 | return location.substr(pos); |
Andreas Gampe | cb8f9e8 | 2014-07-24 15:35:50 -0700 | [diff] [blame] | 467 | } |
| 468 | } |
| 469 | |
Richard Uhler | e5fed03 | 2015-03-18 08:21:11 -0700 | [diff] [blame] | 470 | std::string GetBaseLocation() const { |
| 471 | return GetBaseLocation(location_); |
| 472 | } |
| 473 | |
Brian Carlstrom | 5b332c8 | 2012-02-01 15:02:31 -0800 | [diff] [blame] | 474 | // For DexFiles directly from .dex files, this is the checksum from the DexFile::Header. |
| 475 | // For DexFiles opened from a zip files, this will be the ZipEntry CRC32 of classes.dex. |
| 476 | uint32_t GetLocationChecksum() const { |
| 477 | return location_checksum_; |
| 478 | } |
| 479 | |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 480 | const Header& GetHeader() const { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 481 | DCHECK(header_ != nullptr) << GetLocation(); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 482 | return *header_; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 483 | } |
| 484 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 485 | // Decode the dex magic version |
Andreas Gampe | 76ed99d | 2016-03-28 18:31:29 -0700 | [diff] [blame] | 486 | uint32_t GetVersion() const { |
| 487 | return GetHeader().GetVersion(); |
| 488 | } |
Ian Rogers | d81871c | 2011-10-03 13:57:23 -0700 | [diff] [blame] | 489 | |
Brian Carlstrom | 6e3b1d9 | 2012-01-11 01:36:32 -0800 | [diff] [blame] | 490 | // Returns true if the byte string points to the magic value. |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 491 | static bool IsMagicValid(const uint8_t* magic); |
Brian Carlstrom | 6e3b1d9 | 2012-01-11 01:36:32 -0800 | [diff] [blame] | 492 | |
| 493 | // Returns true if the byte string after the magic is the correct value. |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 494 | static bool IsVersionValid(const uint8_t* magic); |
Brian Carlstrom | 6e3b1d9 | 2012-01-11 01:36:32 -0800 | [diff] [blame] | 495 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 496 | // Returns the number of string identifiers in the .dex file. |
| 497 | size_t NumStringIds() const { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 498 | DCHECK(header_ != nullptr) << GetLocation(); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 499 | return header_->string_ids_size_; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 500 | } |
| 501 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 502 | // Returns the StringId at the specified index. |
| 503 | const StringId& GetStringId(uint32_t idx) const { |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 504 | DCHECK_LT(idx, NumStringIds()) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 505 | return string_ids_[idx]; |
| 506 | } |
| 507 | |
| 508 | uint32_t GetIndexForStringId(const StringId& string_id) const { |
Brian Carlstrom | 61e513c | 2011-12-09 15:30:06 -0800 | [diff] [blame] | 509 | CHECK_GE(&string_id, string_ids_) << GetLocation(); |
| 510 | CHECK_LT(&string_id, string_ids_ + header_->string_ids_size_) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 511 | return &string_id - string_ids_; |
| 512 | } |
| 513 | |
| 514 | int32_t GetStringLength(const StringId& string_id) const; |
| 515 | |
Ian Rogers | dfb325e | 2013-10-30 01:00:44 -0700 | [diff] [blame] | 516 | // Returns a pointer to the UTF-8 string data referred to by the given string_id as well as the |
| 517 | // length of the string when decoded as a UTF-16 string. Note the UTF-16 length is not the same |
| 518 | // as the string length of the string data. |
| 519 | const char* GetStringDataAndUtf16Length(const StringId& string_id, uint32_t* utf16_length) const; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 520 | |
Vladimir Marko | 5c6a587 | 2016-06-27 13:50:16 +0100 | [diff] [blame] | 521 | const char* GetStringData(const StringId& string_id) const; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 522 | |
Ian Rogers | dfb325e | 2013-10-30 01:00:44 -0700 | [diff] [blame] | 523 | // Index version of GetStringDataAndUtf16Length. |
Vladimir Marko | 5c6a587 | 2016-06-27 13:50:16 +0100 | [diff] [blame] | 524 | const char* StringDataAndUtf16LengthByIdx(uint32_t idx, uint32_t* utf16_length) const; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 525 | |
Vladimir Marko | 5c6a587 | 2016-06-27 13:50:16 +0100 | [diff] [blame] | 526 | const char* StringDataByIdx(uint32_t idx) const; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 527 | |
Ian Rogers | 637c65b | 2013-05-31 11:46:00 -0700 | [diff] [blame] | 528 | // Looks up a string id for a given modified utf8 string. |
| 529 | const StringId* FindStringId(const char* string) const; |
| 530 | |
Artem Udovichenko | d9786b0 | 2015-10-14 16:36:55 +0300 | [diff] [blame] | 531 | const TypeId* FindTypeId(const char* string) const; |
| 532 | |
Ian Rogers | 637c65b | 2013-05-31 11:46:00 -0700 | [diff] [blame] | 533 | // Looks up a string id for a given utf16 string. |
Vladimir Marko | a48aef4 | 2014-12-03 17:53:53 +0000 | [diff] [blame] | 534 | const StringId* FindStringId(const uint16_t* string, size_t length) const; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 535 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 536 | // Returns the number of type identifiers in the .dex file. |
Ian Rogers | 68b5685 | 2014-08-29 20:19:11 -0700 | [diff] [blame] | 537 | uint32_t NumTypeIds() const { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 538 | DCHECK(header_ != nullptr) << GetLocation(); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 539 | return header_->type_ids_size_; |
Carl Shapiro | 5fafe2b | 2011-07-09 15:34:41 -0700 | [diff] [blame] | 540 | } |
| 541 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 542 | // Returns the TypeId at the specified index. |
| 543 | const TypeId& GetTypeId(uint32_t idx) const { |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 544 | DCHECK_LT(idx, NumTypeIds()) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 545 | return type_ids_[idx]; |
Carl Shapiro | 5fafe2b | 2011-07-09 15:34:41 -0700 | [diff] [blame] | 546 | } |
| 547 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 548 | uint16_t GetIndexForTypeId(const TypeId& type_id) const { |
Brian Carlstrom | 61e513c | 2011-12-09 15:30:06 -0800 | [diff] [blame] | 549 | CHECK_GE(&type_id, type_ids_) << GetLocation(); |
| 550 | CHECK_LT(&type_id, type_ids_ + header_->type_ids_size_) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 551 | size_t result = &type_id - type_ids_; |
Brian Carlstrom | 61e513c | 2011-12-09 15:30:06 -0800 | [diff] [blame] | 552 | DCHECK_LT(result, 65536U) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 553 | return static_cast<uint16_t>(result); |
| 554 | } |
| 555 | |
| 556 | // Get the descriptor string associated with a given type index. |
Vladimir Marko | 5c6a587 | 2016-06-27 13:50:16 +0100 | [diff] [blame] | 557 | const char* StringByTypeIdx(uint32_t idx, uint32_t* unicode_length) const; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 558 | |
Vladimir Marko | 5c6a587 | 2016-06-27 13:50:16 +0100 | [diff] [blame] | 559 | const char* StringByTypeIdx(uint32_t idx) const; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 560 | |
| 561 | // Returns the type descriptor string of a type id. |
Vladimir Marko | 5c6a587 | 2016-06-27 13:50:16 +0100 | [diff] [blame] | 562 | const char* GetTypeDescriptor(const TypeId& type_id) const; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 563 | |
| 564 | // Looks up a type for the given string index |
| 565 | const TypeId* FindTypeId(uint32_t string_idx) const; |
| 566 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 567 | // Returns the number of field identifiers in the .dex file. |
| 568 | size_t NumFieldIds() const { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 569 | DCHECK(header_ != nullptr) << GetLocation(); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 570 | return header_->field_ids_size_; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 571 | } |
| 572 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 573 | // Returns the FieldId at the specified index. |
| 574 | const FieldId& GetFieldId(uint32_t idx) const { |
Sebastien Hertz | b24bd99 | 2013-08-02 15:19:09 +0200 | [diff] [blame] | 575 | DCHECK_LT(idx, NumFieldIds()) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 576 | return field_ids_[idx]; |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 577 | } |
| 578 | |
Ian Rogers | 9b1a4f4 | 2011-11-14 18:35:10 -0800 | [diff] [blame] | 579 | uint32_t GetIndexForFieldId(const FieldId& field_id) const { |
Brian Carlstrom | 61e513c | 2011-12-09 15:30:06 -0800 | [diff] [blame] | 580 | CHECK_GE(&field_id, field_ids_) << GetLocation(); |
| 581 | CHECK_LT(&field_id, field_ids_ + header_->field_ids_size_) << GetLocation(); |
Ian Rogers | 9b1a4f4 | 2011-11-14 18:35:10 -0800 | [diff] [blame] | 582 | return &field_id - field_ids_; |
| 583 | } |
| 584 | |
| 585 | // Looks up a field by its declaring class, name and type |
| 586 | const FieldId* FindFieldId(const DexFile::TypeId& declaring_klass, |
| 587 | const DexFile::StringId& name, |
| 588 | const DexFile::TypeId& type) const; |
| 589 | |
Alex Light | 9c20a14 | 2016-08-23 15:05:12 -0700 | [diff] [blame] | 590 | uint32_t FindCodeItemOffset(const DexFile::ClassDef& class_def, |
| 591 | uint32_t dex_method_idx) const; |
| 592 | |
Brian Carlstrom | 6b4ef02 | 2011-10-23 14:59:04 -0700 | [diff] [blame] | 593 | // Returns the declaring class descriptor string of a field id. |
| 594 | const char* GetFieldDeclaringClassDescriptor(const FieldId& field_id) const { |
Brian Carlstrom | b9edb84 | 2011-08-28 16:31:06 -0700 | [diff] [blame] | 595 | const DexFile::TypeId& type_id = GetTypeId(field_id.class_idx_); |
| 596 | return GetTypeDescriptor(type_id); |
| 597 | } |
| 598 | |
Brian Carlstrom | 6b4ef02 | 2011-10-23 14:59:04 -0700 | [diff] [blame] | 599 | // Returns the class descriptor string of a field id. |
Vladimir Marko | 5c6a587 | 2016-06-27 13:50:16 +0100 | [diff] [blame] | 600 | const char* GetFieldTypeDescriptor(const FieldId& field_id) const; |
Brian Carlstrom | 6b4ef02 | 2011-10-23 14:59:04 -0700 | [diff] [blame] | 601 | |
Brian Carlstrom | b9edb84 | 2011-08-28 16:31:06 -0700 | [diff] [blame] | 602 | // Returns the name of a field id. |
Vladimir Marko | 5c6a587 | 2016-06-27 13:50:16 +0100 | [diff] [blame] | 603 | const char* GetFieldName(const FieldId& field_id) const; |
Brian Carlstrom | b9edb84 | 2011-08-28 16:31:06 -0700 | [diff] [blame] | 604 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 605 | // Returns the number of method identifiers in the .dex file. |
| 606 | size_t NumMethodIds() const { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 607 | DCHECK(header_ != nullptr) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 608 | return header_->method_ids_size_; |
| 609 | } |
| 610 | |
| 611 | // Returns the MethodId at the specified index. |
| 612 | const MethodId& GetMethodId(uint32_t idx) const { |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 613 | DCHECK_LT(idx, NumMethodIds()) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 614 | return method_ids_[idx]; |
| 615 | } |
| 616 | |
| 617 | uint32_t GetIndexForMethodId(const MethodId& method_id) const { |
Brian Carlstrom | 61e513c | 2011-12-09 15:30:06 -0800 | [diff] [blame] | 618 | CHECK_GE(&method_id, method_ids_) << GetLocation(); |
| 619 | CHECK_LT(&method_id, method_ids_ + header_->method_ids_size_) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 620 | return &method_id - method_ids_; |
| 621 | } |
| 622 | |
Ian Rogers | 9b1a4f4 | 2011-11-14 18:35:10 -0800 | [diff] [blame] | 623 | // Looks up a method by its declaring class, name and proto_id |
| 624 | const MethodId* FindMethodId(const DexFile::TypeId& declaring_klass, |
| 625 | const DexFile::StringId& name, |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 626 | const DexFile::ProtoId& signature) const; |
| 627 | |
Brian Carlstrom | 6b4ef02 | 2011-10-23 14:59:04 -0700 | [diff] [blame] | 628 | // Returns the declaring class descriptor string of a method id. |
Vladimir Marko | 5c6a587 | 2016-06-27 13:50:16 +0100 | [diff] [blame] | 629 | const char* GetMethodDeclaringClassDescriptor(const MethodId& method_id) const; |
Brian Carlstrom | 7540ff4 | 2011-09-04 16:38:46 -0700 | [diff] [blame] | 630 | |
jeffhao | 98eacac | 2011-09-14 16:11:53 -0700 | [diff] [blame] | 631 | // Returns the prototype of a method id. |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 632 | const ProtoId& GetMethodPrototype(const MethodId& method_id) const { |
| 633 | return GetProtoId(method_id.proto_idx_); |
| 634 | } |
| 635 | |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 636 | // Returns a representation of the signature of a method id. |
| 637 | const Signature GetMethodSignature(const MethodId& method_id) const; |
jeffhao | 98eacac | 2011-09-14 16:11:53 -0700 | [diff] [blame] | 638 | |
Orion Hodson | b34bb19 | 2016-10-18 17:02:58 +0100 | [diff] [blame] | 639 | // Returns a representation of the signature of a proto id. |
| 640 | const Signature GetProtoSignature(const ProtoId& proto_id) const; |
| 641 | |
Brian Carlstrom | 7540ff4 | 2011-09-04 16:38:46 -0700 | [diff] [blame] | 642 | // Returns the name of a method id. |
Vladimir Marko | 5c6a587 | 2016-06-27 13:50:16 +0100 | [diff] [blame] | 643 | const char* GetMethodName(const MethodId& method_id) const; |
Brian Carlstrom | 7540ff4 | 2011-09-04 16:38:46 -0700 | [diff] [blame] | 644 | |
Calin Juravle | 68ad649 | 2015-08-18 17:08:12 +0100 | [diff] [blame] | 645 | // Returns the shorty of a method by its index. |
Vladimir Marko | 5c6a587 | 2016-06-27 13:50:16 +0100 | [diff] [blame] | 646 | const char* GetMethodShorty(uint32_t idx) const; |
Calin Juravle | 68ad649 | 2015-08-18 17:08:12 +0100 | [diff] [blame] | 647 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 648 | // Returns the shorty of a method id. |
Vladimir Marko | 5c6a587 | 2016-06-27 13:50:16 +0100 | [diff] [blame] | 649 | const char* GetMethodShorty(const MethodId& method_id) const; |
| 650 | const char* GetMethodShorty(const MethodId& method_id, uint32_t* length) const; |
| 651 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 652 | // Returns the number of class definitions in the .dex file. |
Ian Rogers | 68b5685 | 2014-08-29 20:19:11 -0700 | [diff] [blame] | 653 | uint32_t NumClassDefs() const { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 654 | DCHECK(header_ != nullptr) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 655 | return header_->class_defs_size_; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 656 | } |
| 657 | |
| 658 | // Returns the ClassDef at the specified index. |
Ian Rogers | 8b2c0b9 | 2013-09-19 02:56:49 -0700 | [diff] [blame] | 659 | const ClassDef& GetClassDef(uint16_t idx) const { |
Sebastien Hertz | b24bd99 | 2013-08-02 15:19:09 +0200 | [diff] [blame] | 660 | DCHECK_LT(idx, NumClassDefs()) << GetLocation(); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 661 | return class_defs_[idx]; |
| 662 | } |
| 663 | |
Ian Rogers | 8b2c0b9 | 2013-09-19 02:56:49 -0700 | [diff] [blame] | 664 | uint16_t GetIndexForClassDef(const ClassDef& class_def) const { |
Brian Carlstrom | 61e513c | 2011-12-09 15:30:06 -0800 | [diff] [blame] | 665 | CHECK_GE(&class_def, class_defs_) << GetLocation(); |
| 666 | CHECK_LT(&class_def, class_defs_ + header_->class_defs_size_) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 667 | return &class_def - class_defs_; |
| 668 | } |
| 669 | |
| 670 | // Returns the class descriptor string of a class definition. |
Vladimir Marko | 5c6a587 | 2016-06-27 13:50:16 +0100 | [diff] [blame] | 671 | const char* GetClassDescriptor(const ClassDef& class_def) const; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 672 | |
Ian Rogers | 8b2c0b9 | 2013-09-19 02:56:49 -0700 | [diff] [blame] | 673 | // Looks up a class definition by its type index. |
| 674 | const ClassDef* FindClassDef(uint16_t type_idx) const; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 675 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 676 | const TypeList* GetInterfacesList(const ClassDef& class_def) const { |
| 677 | if (class_def.interfaces_off_ == 0) { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 678 | return nullptr; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 679 | } else { |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 680 | const uint8_t* addr = begin_ + class_def.interfaces_off_; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 681 | return reinterpret_cast<const TypeList*>(addr); |
| 682 | } |
| 683 | } |
| 684 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 685 | // Returns a pointer to the raw memory mapped class_data_item |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 686 | const uint8_t* GetClassData(const ClassDef& class_def) const { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 687 | if (class_def.class_data_off_ == 0) { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 688 | return nullptr; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 689 | } else { |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 690 | return begin_ + class_def.class_data_off_; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 691 | } |
Shih-wei Liao | 2fb9753 | 2011-08-11 16:17:23 -0700 | [diff] [blame] | 692 | } |
| 693 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 694 | // |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 695 | const CodeItem* GetCodeItem(const uint32_t code_off) const { |
Alex Light | 9139e00 | 2015-10-09 15:59:48 -0700 | [diff] [blame] | 696 | DCHECK_LT(code_off, size_) << "Code item offset larger then maximum allowed offset"; |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 697 | if (code_off == 0) { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 698 | return nullptr; // native or abstract method |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 699 | } else { |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 700 | const uint8_t* addr = begin_ + code_off; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 701 | return reinterpret_cast<const CodeItem*>(addr); |
| 702 | } |
| 703 | } |
| 704 | |
Vladimir Marko | 5c6a587 | 2016-06-27 13:50:16 +0100 | [diff] [blame] | 705 | const char* GetReturnTypeDescriptor(const ProtoId& proto_id) const; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 706 | |
| 707 | // Returns the number of prototype identifiers in the .dex file. |
| 708 | size_t NumProtoIds() const { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 709 | DCHECK(header_ != nullptr) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 710 | return header_->proto_ids_size_; |
| 711 | } |
| 712 | |
| 713 | // Returns the ProtoId at the specified index. |
| 714 | const ProtoId& GetProtoId(uint32_t idx) const { |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 715 | DCHECK_LT(idx, NumProtoIds()) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 716 | return proto_ids_[idx]; |
| 717 | } |
| 718 | |
| 719 | uint16_t GetIndexForProtoId(const ProtoId& proto_id) const { |
Brian Carlstrom | 61e513c | 2011-12-09 15:30:06 -0800 | [diff] [blame] | 720 | CHECK_GE(&proto_id, proto_ids_) << GetLocation(); |
| 721 | CHECK_LT(&proto_id, proto_ids_ + header_->proto_ids_size_) << GetLocation(); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 722 | return &proto_id - proto_ids_; |
| 723 | } |
| 724 | |
| 725 | // 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] | 726 | const ProtoId* FindProtoId(uint16_t return_type_idx, |
Vladimir Marko | 5c96e6b | 2013-11-14 15:34:17 +0000 | [diff] [blame] | 727 | const uint16_t* signature_type_idxs, uint32_t signature_length) const; |
| 728 | const ProtoId* FindProtoId(uint16_t return_type_idx, |
| 729 | const std::vector<uint16_t>& signature_type_idxs) const { |
| 730 | return FindProtoId(return_type_idx, &signature_type_idxs[0], signature_type_idxs.size()); |
| 731 | } |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 732 | |
| 733 | // 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] | 734 | bool CreateTypeList(const StringPiece& signature, uint16_t* return_type_idx, |
| 735 | std::vector<uint16_t>* param_type_idxs) const; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 736 | |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 737 | // Create a Signature from the given string signature or return Signature::NoSignature if not |
| 738 | // possible. |
| 739 | const Signature CreateSignature(const StringPiece& signature) const; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 740 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 741 | // Returns the short form method descriptor for the given prototype. |
Vladimir Marko | 5c6a587 | 2016-06-27 13:50:16 +0100 | [diff] [blame] | 742 | const char* GetShorty(uint32_t proto_idx) const; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 743 | |
| 744 | const TypeList* GetProtoParameters(const ProtoId& proto_id) const { |
| 745 | if (proto_id.parameters_off_ == 0) { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 746 | return nullptr; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 747 | } else { |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 748 | const uint8_t* addr = begin_ + proto_id.parameters_off_; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 749 | return reinterpret_cast<const TypeList*>(addr); |
| 750 | } |
| 751 | } |
| 752 | |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 753 | const uint8_t* GetEncodedStaticFieldValuesArray(const ClassDef& class_def) const { |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 754 | if (class_def.static_values_off_ == 0) { |
| 755 | return 0; |
| 756 | } else { |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 757 | return begin_ + class_def.static_values_off_; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 758 | } |
| 759 | } |
| 760 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 761 | static const TryItem* GetTryItems(const CodeItem& code_item, uint32_t offset); |
Shih-wei Liao | 2fb9753 | 2011-08-11 16:17:23 -0700 | [diff] [blame] | 762 | |
| 763 | // Get the base of the encoded data for the given DexCode. |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 764 | static const uint8_t* GetCatchHandlerData(const CodeItem& code_item, uint32_t offset) { |
| 765 | const uint8_t* handler_data = |
| 766 | reinterpret_cast<const uint8_t*>(GetTryItems(code_item, code_item.tries_size_)); |
Shih-wei Liao | 2fb9753 | 2011-08-11 16:17:23 -0700 | [diff] [blame] | 767 | return handler_data + offset; |
| 768 | } |
| 769 | |
Ian Rogers | dbbc99d | 2013-04-18 16:51:54 -0700 | [diff] [blame] | 770 | // Find which try region is associated with the given address (ie dex pc). Returns -1 if none. |
| 771 | static int32_t FindTryItem(const CodeItem &code_item, uint32_t address); |
| 772 | |
| 773 | // Find the handler offset associated with the given address (ie dex pc). Returns -1 if none. |
| 774 | static int32_t FindCatchHandlerOffset(const CodeItem &code_item, uint32_t address); |
Shih-wei Liao | 2fb9753 | 2011-08-11 16:17:23 -0700 | [diff] [blame] | 775 | |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 776 | // Get the pointer to the start of the debugging data |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 777 | const uint8_t* GetDebugInfoStream(const CodeItem* code_item) const { |
David Srbecky | 6852942 | 2015-07-07 19:13:29 +0100 | [diff] [blame] | 778 | // Check that the offset is in bounds. |
| 779 | // Note that although the specification says that 0 should be used if there |
| 780 | // is no debug information, some applications incorrectly use 0xFFFFFFFF. |
| 781 | if (code_item->debug_info_off_ == 0 || code_item->debug_info_off_ >= size_) { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 782 | return nullptr; |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 783 | } else { |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 784 | return begin_ + code_item->debug_info_off_; |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 785 | } |
| 786 | } |
| 787 | |
David Srbecky | b06e28e | 2015-12-10 13:15:00 +0000 | [diff] [blame] | 788 | struct PositionInfo { |
| 789 | PositionInfo() |
| 790 | : address_(0), |
| 791 | line_(0), |
| 792 | source_file_(nullptr), |
| 793 | prologue_end_(false), |
| 794 | epilogue_begin_(false) { |
| 795 | } |
| 796 | |
| 797 | uint32_t address_; // In 16-bit code units. |
| 798 | uint32_t line_; // Source code line number starting at 1. |
| 799 | const char* source_file_; // nullptr if the file from ClassDef still applies. |
| 800 | bool prologue_end_; |
| 801 | bool epilogue_begin_; |
| 802 | }; |
| 803 | |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 804 | // Callback for "new position table entry". |
| 805 | // Returning true causes the decoder to stop early. |
David Srbecky | b06e28e | 2015-12-10 13:15:00 +0000 | [diff] [blame] | 806 | typedef bool (*DexDebugNewPositionCb)(void* context, const PositionInfo& entry); |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 807 | |
David Srbecky | b06e28e | 2015-12-10 13:15:00 +0000 | [diff] [blame] | 808 | struct LocalInfo { |
| 809 | LocalInfo() |
| 810 | : name_(nullptr), |
| 811 | descriptor_(nullptr), |
| 812 | signature_(nullptr), |
| 813 | start_address_(0), |
| 814 | end_address_(0), |
| 815 | reg_(0), |
| 816 | is_live_(false) { |
| 817 | } |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 818 | |
David Srbecky | b06e28e | 2015-12-10 13:15:00 +0000 | [diff] [blame] | 819 | const char* name_; // E.g., list. It can be nullptr if unknown. |
| 820 | const char* descriptor_; // E.g., Ljava/util/LinkedList; |
| 821 | const char* signature_; // E.g., java.util.LinkedList<java.lang.Integer> |
| 822 | uint32_t start_address_; // PC location where the local is first defined. |
| 823 | uint32_t end_address_; // PC location where the local is no longer defined. |
| 824 | uint16_t reg_; // Dex register which stores the values. |
| 825 | bool is_live_; // Is the local defined and live. |
| 826 | }; |
| 827 | |
| 828 | // Callback for "new locals table entry". |
| 829 | typedef void (*DexDebugNewLocalCb)(void* context, const LocalInfo& entry); |
| 830 | |
| 831 | static bool LineNumForPcCb(void* context, const PositionInfo& entry); |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 832 | |
Jeff Hao | 13e748b | 2015-08-25 20:44:19 +0000 | [diff] [blame] | 833 | const AnnotationsDirectoryItem* GetAnnotationsDirectory(const ClassDef& class_def) const { |
| 834 | if (class_def.annotations_off_ == 0) { |
| 835 | return nullptr; |
| 836 | } else { |
| 837 | return reinterpret_cast<const AnnotationsDirectoryItem*>(begin_ + class_def.annotations_off_); |
| 838 | } |
| 839 | } |
| 840 | |
| 841 | const AnnotationSetItem* GetClassAnnotationSet(const AnnotationsDirectoryItem* anno_dir) const { |
| 842 | if (anno_dir->class_annotations_off_ == 0) { |
| 843 | return nullptr; |
| 844 | } else { |
| 845 | return reinterpret_cast<const AnnotationSetItem*>(begin_ + anno_dir->class_annotations_off_); |
| 846 | } |
| 847 | } |
| 848 | |
| 849 | const FieldAnnotationsItem* GetFieldAnnotations(const AnnotationsDirectoryItem* anno_dir) const { |
| 850 | if (anno_dir->fields_size_ == 0) { |
| 851 | return nullptr; |
| 852 | } else { |
| 853 | return reinterpret_cast<const FieldAnnotationsItem*>(&anno_dir[1]); |
| 854 | } |
| 855 | } |
| 856 | |
| 857 | const MethodAnnotationsItem* GetMethodAnnotations(const AnnotationsDirectoryItem* anno_dir) |
| 858 | const { |
| 859 | if (anno_dir->methods_size_ == 0) { |
| 860 | return nullptr; |
| 861 | } else { |
| 862 | // Skip past the header and field annotations. |
| 863 | const uint8_t* addr = reinterpret_cast<const uint8_t*>(&anno_dir[1]); |
| 864 | addr += anno_dir->fields_size_ * sizeof(FieldAnnotationsItem); |
| 865 | return reinterpret_cast<const MethodAnnotationsItem*>(addr); |
| 866 | } |
| 867 | } |
| 868 | |
| 869 | const ParameterAnnotationsItem* GetParameterAnnotations(const AnnotationsDirectoryItem* anno_dir) |
| 870 | const { |
| 871 | if (anno_dir->parameters_size_ == 0) { |
| 872 | return nullptr; |
| 873 | } else { |
| 874 | // Skip past the header, field annotations, and method annotations. |
| 875 | const uint8_t* addr = reinterpret_cast<const uint8_t*>(&anno_dir[1]); |
| 876 | addr += anno_dir->fields_size_ * sizeof(FieldAnnotationsItem); |
| 877 | addr += anno_dir->methods_size_ * sizeof(MethodAnnotationsItem); |
| 878 | return reinterpret_cast<const ParameterAnnotationsItem*>(addr); |
| 879 | } |
| 880 | } |
| 881 | |
| 882 | const AnnotationSetItem* GetFieldAnnotationSetItem(const FieldAnnotationsItem& anno_item) const { |
| 883 | uint32_t offset = anno_item.annotations_off_; |
| 884 | if (offset == 0) { |
| 885 | return nullptr; |
| 886 | } else { |
| 887 | return reinterpret_cast<const AnnotationSetItem*>(begin_ + offset); |
| 888 | } |
| 889 | } |
| 890 | |
| 891 | const AnnotationSetItem* GetMethodAnnotationSetItem(const MethodAnnotationsItem& anno_item) |
| 892 | const { |
| 893 | uint32_t offset = anno_item.annotations_off_; |
| 894 | if (offset == 0) { |
| 895 | return nullptr; |
| 896 | } else { |
| 897 | return reinterpret_cast<const AnnotationSetItem*>(begin_ + offset); |
| 898 | } |
| 899 | } |
| 900 | |
| 901 | const AnnotationSetRefList* GetParameterAnnotationSetRefList( |
| 902 | const ParameterAnnotationsItem* anno_item) const { |
| 903 | uint32_t offset = anno_item->annotations_off_; |
| 904 | if (offset == 0) { |
| 905 | return nullptr; |
| 906 | } |
| 907 | return reinterpret_cast<const AnnotationSetRefList*>(begin_ + offset); |
| 908 | } |
| 909 | |
| 910 | const AnnotationItem* GetAnnotationItem(const AnnotationSetItem* set_item, uint32_t index) const { |
| 911 | DCHECK_LE(index, set_item->size_); |
| 912 | uint32_t offset = set_item->entries_[index]; |
| 913 | if (offset == 0) { |
| 914 | return nullptr; |
| 915 | } else { |
| 916 | return reinterpret_cast<const AnnotationItem*>(begin_ + offset); |
| 917 | } |
| 918 | } |
| 919 | |
| 920 | const AnnotationSetItem* GetSetRefItemItem(const AnnotationSetRefItem* anno_item) const { |
| 921 | uint32_t offset = anno_item->annotations_off_; |
| 922 | if (offset == 0) { |
| 923 | return nullptr; |
| 924 | } |
| 925 | return reinterpret_cast<const AnnotationSetItem*>(begin_ + offset); |
| 926 | } |
| 927 | |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 928 | // Debug info opcodes and constants |
| 929 | enum { |
| 930 | DBG_END_SEQUENCE = 0x00, |
| 931 | DBG_ADVANCE_PC = 0x01, |
| 932 | DBG_ADVANCE_LINE = 0x02, |
| 933 | DBG_START_LOCAL = 0x03, |
| 934 | DBG_START_LOCAL_EXTENDED = 0x04, |
| 935 | DBG_END_LOCAL = 0x05, |
| 936 | DBG_RESTART_LOCAL = 0x06, |
| 937 | DBG_SET_PROLOGUE_END = 0x07, |
| 938 | DBG_SET_EPILOGUE_BEGIN = 0x08, |
| 939 | DBG_SET_FILE = 0x09, |
| 940 | DBG_FIRST_SPECIAL = 0x0a, |
| 941 | DBG_LINE_BASE = -4, |
| 942 | DBG_LINE_RANGE = 15, |
| 943 | }; |
| 944 | |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 945 | struct LineNumFromPcContext { |
Ian Rogers | ca19066 | 2012-06-26 15:45:57 -0700 | [diff] [blame] | 946 | LineNumFromPcContext(uint32_t address, uint32_t line_num) |
| 947 | : address_(address), line_num_(line_num) {} |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 948 | uint32_t address_; |
| 949 | uint32_t line_num_; |
Brian Carlstrom | d2fbb2b | 2011-08-23 11:57:08 -0700 | [diff] [blame] | 950 | private: |
| 951 | DISALLOW_COPY_AND_ASSIGN(LineNumFromPcContext); |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 952 | }; |
| 953 | |
Roland Levillain | 91d65e0 | 2016-01-19 15:59:16 +0000 | [diff] [blame] | 954 | // Returns false if there is no debugging information or if it cannot be decoded. |
David Srbecky | b06e28e | 2015-12-10 13:15:00 +0000 | [diff] [blame] | 955 | bool DecodeDebugLocalInfo(const CodeItem* code_item, bool is_static, uint32_t method_idx, |
| 956 | DexDebugNewLocalCb local_cb, void* context) const; |
| 957 | |
Roland Levillain | 91d65e0 | 2016-01-19 15:59:16 +0000 | [diff] [blame] | 958 | // Returns false if there is no debugging information or if it cannot be decoded. |
David Srbecky | b06e28e | 2015-12-10 13:15:00 +0000 | [diff] [blame] | 959 | bool DecodeDebugPositionInfo(const CodeItem* code_item, DexDebugNewPositionCb position_cb, |
| 960 | void* context) const; |
Shih-wei Liao | 195487c | 2011-08-20 13:29:04 -0700 | [diff] [blame] | 961 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 962 | const char* GetSourceFile(const ClassDef& class_def) const { |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 963 | if (class_def.source_file_idx_ == 0xffffffff) { |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 964 | return nullptr; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 965 | } else { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 966 | return StringDataByIdx(class_def.source_file_idx_); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 967 | } |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 968 | } |
| 969 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 970 | int GetPermissions() const; |
Ian Rogers | 1c849e5 | 2012-06-28 14:00:33 -0700 | [diff] [blame] | 971 | |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 972 | bool IsReadOnly() const; |
| 973 | |
Brian Carlstrom | e0948e1 | 2013-08-29 09:36:15 -0700 | [diff] [blame] | 974 | bool EnableWrite() const; |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 975 | |
Brian Carlstrom | e0948e1 | 2013-08-29 09:36:15 -0700 | [diff] [blame] | 976 | bool DisableWrite() const; |
Sebastien Hertz | 2d6ba51 | 2013-05-17 11:31:37 +0200 | [diff] [blame] | 977 | |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 978 | const uint8_t* Begin() const { |
Ian Rogers | 8b2c0b9 | 2013-09-19 02:56:49 -0700 | [diff] [blame] | 979 | return begin_; |
| 980 | } |
| 981 | |
| 982 | size_t Size() const { |
| 983 | return size_; |
| 984 | } |
| 985 | |
Andreas Gampe | 90e3404 | 2015-04-27 20:01:52 -0700 | [diff] [blame] | 986 | // Return the name of the index-th classes.dex in a multidex zip file. This is classes.dex for |
| 987 | // index == 0, and classes{index + 1}.dex else. |
| 988 | static std::string GetMultiDexClassesDexName(size_t index); |
| 989 | |
| 990 | // Return the (possibly synthetic) dex location for a multidex entry. This is dex_location for |
| 991 | // index == 0, and dex_location + multi-dex-separator + GetMultiDexClassesDexName(index) else. |
| 992 | static std::string GetMultiDexLocation(size_t index, const char* dex_location); |
Calin Juravle | 4e1d579 | 2014-07-15 23:56:47 +0100 | [diff] [blame] | 993 | |
| 994 | // Returns the canonical form of the given dex location. |
| 995 | // |
| 996 | // There are different flavors of "dex locations" as follows: |
| 997 | // the file name of a dex file: |
| 998 | // The actual file path that the dex file has on disk. |
| 999 | // dex_location: |
| 1000 | // This acts as a key for the class linker to know which dex file to load. |
| 1001 | // It may correspond to either an old odex file or a particular dex file |
| 1002 | // inside an oat file. In the first case it will also match the file name |
| 1003 | // of the dex file. In the second case (oat) it will include the file name |
| 1004 | // and possibly some multidex annotation to uniquely identify it. |
| 1005 | // canonical_dex_location: |
| 1006 | // the dex_location where it's file name part has been made canonical. |
| 1007 | static std::string GetDexCanonicalLocation(const char* dex_location); |
| 1008 | |
Richard Uhler | 07b3c23 | 2015-03-31 15:57:54 -0700 | [diff] [blame] | 1009 | const OatDexFile* GetOatDexFile() const { |
| 1010 | return oat_dex_file_; |
Andreas Gampe | fd9eb39 | 2014-11-06 16:52:58 -0800 | [diff] [blame] | 1011 | } |
| 1012 | |
David Sehr | 9323e6e | 2016-09-13 08:58:35 -0700 | [diff] [blame] | 1013 | // Utility methods for reading integral values from a buffer. |
| 1014 | static int32_t ReadSignedInt(const uint8_t* ptr, int zwidth); |
| 1015 | static uint32_t ReadUnsignedInt(const uint8_t* ptr, int zwidth, bool fill_on_right); |
| 1016 | static int64_t ReadSignedLong(const uint8_t* ptr, int zwidth); |
| 1017 | static uint64_t ReadUnsignedLong(const uint8_t* ptr, int zwidth, bool fill_on_right); |
| 1018 | |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 1019 | // Returns a human-readable form of the method at an index. |
| 1020 | std::string PrettyMethod(uint32_t method_idx, bool with_signature = true) const; |
| 1021 | // Returns a human-readable form of the field at an index. |
| 1022 | std::string PrettyField(uint32_t field_idx, bool with_type = true) const; |
| 1023 | // Returns a human-readable form of the type at an index. |
| 1024 | std::string PrettyType(uint32_t type_idx) const; |
| 1025 | |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1026 | private: |
Aart Bik | 37d6a3b | 2016-06-21 18:30:10 -0700 | [diff] [blame] | 1027 | static std::unique_ptr<const DexFile> OpenFile(int fd, |
David Sehr | 733ddb2 | 2016-09-19 15:02:18 -0700 | [diff] [blame] | 1028 | const std::string& location, |
Aart Bik | 37d6a3b | 2016-06-21 18:30:10 -0700 | [diff] [blame] | 1029 | bool verify, |
| 1030 | bool verify_checksum, |
| 1031 | std::string* error_msg); |
Brian Carlstrom | 58ae941 | 2011-10-04 00:56:06 -0700 | [diff] [blame] | 1032 | |
Andreas Gampe | 833a485 | 2014-05-21 18:46:59 -0700 | [diff] [blame] | 1033 | enum class ZipOpenErrorCode { // private |
| 1034 | kNoError, |
| 1035 | kEntryNotFound, |
| 1036 | kExtractToMemoryError, |
| 1037 | kDexFileError, |
| 1038 | kMakeReadOnlyError, |
| 1039 | kVerifyError |
| 1040 | }; |
| 1041 | |
David Sehr | 733ddb2 | 2016-09-19 15:02:18 -0700 | [diff] [blame] | 1042 | // Open all classesXXX.dex files from a zip archive. |
| 1043 | static bool OpenAllDexFilesFromZip(const ZipArchive& zip_archive, |
| 1044 | const std::string& location, |
| 1045 | bool verify_checksum, |
| 1046 | std::string* error_msg, |
| 1047 | std::vector<std::unique_ptr<const DexFile>>* dex_files); |
| 1048 | |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 1049 | // Opens .dex file from the entry_name in a zip archive. error_code is undefined when non-null |
Andreas Gampe | 833a485 | 2014-05-21 18:46:59 -0700 | [diff] [blame] | 1050 | // return. |
David Sehr | 733ddb2 | 2016-09-19 15:02:18 -0700 | [diff] [blame] | 1051 | static std::unique_ptr<const DexFile> OpenOneDexFileFromZip(const ZipArchive& zip_archive, |
| 1052 | const char* entry_name, |
| 1053 | const std::string& location, |
| 1054 | bool verify_checksum, |
| 1055 | std::string* error_msg, |
| 1056 | ZipOpenErrorCode* error_code); |
| 1057 | |
| 1058 | enum class VerifyResult { // private |
David Sehr | 9fddd36 | 2016-09-22 14:05:37 -0700 | [diff] [blame] | 1059 | kVerifyNotAttempted, |
David Sehr | 733ddb2 | 2016-09-19 15:02:18 -0700 | [diff] [blame] | 1060 | kVerifySucceeded, |
| 1061 | kVerifyFailed |
| 1062 | }; |
| 1063 | |
| 1064 | static std::unique_ptr<DexFile> OpenCommon(const uint8_t* base, |
| 1065 | size_t size, |
Aart Bik | 37d6a3b | 2016-06-21 18:30:10 -0700 | [diff] [blame] | 1066 | const std::string& location, |
David Sehr | 733ddb2 | 2016-09-19 15:02:18 -0700 | [diff] [blame] | 1067 | uint32_t location_checksum, |
| 1068 | const OatDexFile* oat_dex_file, |
| 1069 | bool verify, |
Aart Bik | 37d6a3b | 2016-06-21 18:30:10 -0700 | [diff] [blame] | 1070 | bool verify_checksum, |
| 1071 | std::string* error_msg, |
David Sehr | 733ddb2 | 2016-09-19 15:02:18 -0700 | [diff] [blame] | 1072 | VerifyResult* verify_result = nullptr); |
Brian Carlstrom | 58ae941 | 2011-10-04 00:56:06 -0700 | [diff] [blame] | 1073 | |
Alex Light | 9c20a14 | 2016-08-23 15:05:12 -0700 | [diff] [blame] | 1074 | |
| 1075 | // Opens a .dex file at the given address, optionally backed by a MemMap |
| 1076 | static std::unique_ptr<const DexFile> OpenMemory(const uint8_t* dex_file, |
| 1077 | size_t size, |
| 1078 | const std::string& location, |
| 1079 | uint32_t location_checksum, |
| 1080 | std::unique_ptr<MemMap> mem_map, |
| 1081 | const OatDexFile* oat_dex_file, |
| 1082 | std::string* error_msg); |
| 1083 | |
David Sehr | 733ddb2 | 2016-09-19 15:02:18 -0700 | [diff] [blame] | 1084 | DexFile(const uint8_t* base, |
| 1085 | size_t size, |
Brian Carlstrom | 28db012 | 2012-10-18 16:20:41 -0700 | [diff] [blame] | 1086 | const std::string& location, |
| 1087 | uint32_t location_checksum, |
Richard Uhler | 07b3c23 | 2015-03-31 15:57:54 -0700 | [diff] [blame] | 1088 | const OatDexFile* oat_dex_file); |
jeffhao | f6174e8 | 2012-01-31 16:14:17 -0800 | [diff] [blame] | 1089 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 1090 | // Top-level initializer that calls other Init methods. |
Ian Rogers | 8d31bbd | 2013-10-13 10:44:14 -0700 | [diff] [blame] | 1091 | bool Init(std::string* error_msg); |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 1092 | |
Brian Carlstrom | 6e3b1d9 | 2012-01-11 01:36:32 -0800 | [diff] [blame] | 1093 | // 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] | 1094 | bool CheckMagicAndVersion(std::string* error_msg) const; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 1095 | |
Andreas Gampe | 833a485 | 2014-05-21 18:46:59 -0700 | [diff] [blame] | 1096 | // Check whether a location denotes a multidex dex file. This is a very simple check: returns |
| 1097 | // whether the string contains the separator character. |
| 1098 | static bool IsMultiDexLocation(const char* location); |
| 1099 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 1100 | // The base address of the memory mapping. |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 1101 | const uint8_t* const begin_; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 1102 | |
| 1103 | // The size of the underlying memory allocation in bytes. |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1104 | const size_t size_; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 1105 | |
Elliott Hughes | 64bf5a3 | 2011-09-20 14:43:12 -0700 | [diff] [blame] | 1106 | // Typically the dex file name when available, alternatively some identifying string. |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 1107 | // |
| 1108 | // The ClassLinker will use this to match DexFiles the boot class |
| 1109 | // path to DexCache::GetLocation when loading from an image. |
| 1110 | const std::string location_; |
| 1111 | |
Brian Carlstrom | 5b332c8 | 2012-02-01 15:02:31 -0800 | [diff] [blame] | 1112 | const uint32_t location_checksum_; |
| 1113 | |
Brian Carlstrom | 33f741e | 2011-10-03 11:24:05 -0700 | [diff] [blame] | 1114 | // Manages the underlying memory allocation. |
Ian Rogers | 700a402 | 2014-05-19 16:49:03 -0700 | [diff] [blame] | 1115 | std::unique_ptr<MemMap> mem_map_; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 1116 | |
| 1117 | // Points to the header section. |
Brian Carlstrom | 0d6adac | 2014-02-05 17:39:16 -0800 | [diff] [blame] | 1118 | const Header* const header_; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 1119 | |
| 1120 | // Points to the base of the string identifier list. |
Brian Carlstrom | 0d6adac | 2014-02-05 17:39:16 -0800 | [diff] [blame] | 1121 | const StringId* const string_ids_; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 1122 | |
| 1123 | // Points to the base of the type identifier list. |
Brian Carlstrom | 0d6adac | 2014-02-05 17:39:16 -0800 | [diff] [blame] | 1124 | const TypeId* const type_ids_; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 1125 | |
| 1126 | // Points to the base of the field identifier list. |
Brian Carlstrom | 0d6adac | 2014-02-05 17:39:16 -0800 | [diff] [blame] | 1127 | const FieldId* const field_ids_; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 1128 | |
| 1129 | // Points to the base of the method identifier list. |
Brian Carlstrom | 0d6adac | 2014-02-05 17:39:16 -0800 | [diff] [blame] | 1130 | const MethodId* const method_ids_; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 1131 | |
| 1132 | // Points to the base of the prototype identifier list. |
Brian Carlstrom | 0d6adac | 2014-02-05 17:39:16 -0800 | [diff] [blame] | 1133 | const ProtoId* const proto_ids_; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 1134 | |
| 1135 | // Points to the base of the class definition list. |
Brian Carlstrom | 0d6adac | 2014-02-05 17:39:16 -0800 | [diff] [blame] | 1136 | const ClassDef* const class_defs_; |
Ian Rogers | 68b5685 | 2014-08-29 20:19:11 -0700 | [diff] [blame] | 1137 | |
Richard Uhler | 07b3c23 | 2015-03-31 15:57:54 -0700 | [diff] [blame] | 1138 | // If this dex file was loaded from an oat file, oat_dex_file_ contains a |
| 1139 | // pointer to the OatDexFile it was loaded from. Otherwise oat_dex_file_ is |
| 1140 | // null. |
| 1141 | const OatDexFile* oat_dex_file_; |
Andreas Gampe | e6215c0 | 2015-08-31 18:54:38 -0700 | [diff] [blame] | 1142 | |
| 1143 | friend class DexFileVerifierTest; |
Mathieu Chartier | 7617216 | 2016-01-26 14:54:06 -0800 | [diff] [blame] | 1144 | ART_FRIEND_TEST(ClassLinkerTest, RegisterDexFileName); // for constructor |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1145 | }; |
Mathieu Chartier | e5f13e5 | 2015-02-24 09:37:21 -0800 | [diff] [blame] | 1146 | |
| 1147 | struct DexFileReference { |
| 1148 | DexFileReference(const DexFile* file, uint32_t idx) : dex_file(file), index(idx) { } |
| 1149 | const DexFile* dex_file; |
| 1150 | uint32_t index; |
| 1151 | }; |
| 1152 | |
Brian Carlstrom | 0d6adac | 2014-02-05 17:39:16 -0800 | [diff] [blame] | 1153 | std::ostream& operator<<(std::ostream& os, const DexFile& dex_file); |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1154 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1155 | // Iterate over a dex file's ProtoId's paramters |
| 1156 | class DexFileParameterIterator { |
| 1157 | public: |
| 1158 | DexFileParameterIterator(const DexFile& dex_file, const DexFile::ProtoId& proto_id) |
| 1159 | : dex_file_(dex_file), size_(0), pos_(0) { |
| 1160 | type_list_ = dex_file_.GetProtoParameters(proto_id); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 1161 | if (type_list_ != nullptr) { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1162 | size_ = type_list_->Size(); |
| 1163 | } |
| 1164 | } |
| 1165 | bool HasNext() const { return pos_ < size_; } |
David Srbecky | b06e28e | 2015-12-10 13:15:00 +0000 | [diff] [blame] | 1166 | size_t Size() const { return size_; } |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1167 | void Next() { ++pos_; } |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 1168 | uint16_t GetTypeIdx() { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1169 | return type_list_->GetTypeItem(pos_).type_idx_; |
| 1170 | } |
| 1171 | const char* GetDescriptor() { |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 1172 | return dex_file_.StringByTypeIdx(GetTypeIdx()); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1173 | } |
| 1174 | private: |
| 1175 | const DexFile& dex_file_; |
| 1176 | const DexFile::TypeList* type_list_; |
| 1177 | uint32_t size_; |
| 1178 | uint32_t pos_; |
| 1179 | DISALLOW_IMPLICIT_CONSTRUCTORS(DexFileParameterIterator); |
| 1180 | }; |
| 1181 | |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 1182 | // Abstract the signature of a method. |
Ian Rogers | 03b6eaf | 2014-10-28 09:34:57 -0700 | [diff] [blame] | 1183 | class Signature : public ValueObject { |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 1184 | public: |
| 1185 | std::string ToString() const; |
| 1186 | |
| 1187 | static Signature NoSignature() { |
| 1188 | return Signature(); |
| 1189 | } |
| 1190 | |
Ian Rogers | dfb325e | 2013-10-30 01:00:44 -0700 | [diff] [blame] | 1191 | bool operator==(const Signature& rhs) const; |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 1192 | bool operator!=(const Signature& rhs) const { |
| 1193 | return !(*this == rhs); |
| 1194 | } |
| 1195 | |
Vladimir Marko | d9cffea | 2013-11-25 15:08:02 +0000 | [diff] [blame] | 1196 | bool operator==(const StringPiece& rhs) const; |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 1197 | |
| 1198 | private: |
| 1199 | Signature(const DexFile* dex, const DexFile::ProtoId& proto) : dex_file_(dex), proto_id_(&proto) { |
| 1200 | } |
| 1201 | |
| 1202 | Signature() : dex_file_(nullptr), proto_id_(nullptr) { |
| 1203 | } |
| 1204 | |
| 1205 | friend class DexFile; |
| 1206 | |
| 1207 | const DexFile* const dex_file_; |
| 1208 | const DexFile::ProtoId* const proto_id_; |
| 1209 | }; |
| 1210 | std::ostream& operator<<(std::ostream& os, const Signature& sig); |
| 1211 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1212 | // Iterate and decode class_data_item |
| 1213 | class ClassDataItemIterator { |
| 1214 | public: |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 1215 | ClassDataItemIterator(const DexFile& dex_file, const uint8_t* raw_class_data_item) |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1216 | : dex_file_(dex_file), pos_(0), ptr_pos_(raw_class_data_item), last_idx_(0) { |
| 1217 | ReadClassDataHeader(); |
| 1218 | if (EndOfInstanceFieldsPos() > 0) { |
| 1219 | ReadClassDataField(); |
| 1220 | } else if (EndOfVirtualMethodsPos() > 0) { |
| 1221 | ReadClassDataMethod(); |
| 1222 | } |
| 1223 | } |
| 1224 | uint32_t NumStaticFields() const { |
| 1225 | return header_.static_fields_size_; |
| 1226 | } |
| 1227 | uint32_t NumInstanceFields() const { |
| 1228 | return header_.instance_fields_size_; |
| 1229 | } |
| 1230 | uint32_t NumDirectMethods() const { |
| 1231 | return header_.direct_methods_size_; |
| 1232 | } |
| 1233 | uint32_t NumVirtualMethods() const { |
| 1234 | return header_.virtual_methods_size_; |
| 1235 | } |
| 1236 | bool HasNextStaticField() const { |
| 1237 | return pos_ < EndOfStaticFieldsPos(); |
| 1238 | } |
| 1239 | bool HasNextInstanceField() const { |
| 1240 | return pos_ >= EndOfStaticFieldsPos() && pos_ < EndOfInstanceFieldsPos(); |
| 1241 | } |
| 1242 | bool HasNextDirectMethod() const { |
| 1243 | return pos_ >= EndOfInstanceFieldsPos() && pos_ < EndOfDirectMethodsPos(); |
| 1244 | } |
| 1245 | bool HasNextVirtualMethod() const { |
| 1246 | return pos_ >= EndOfDirectMethodsPos() && pos_ < EndOfVirtualMethodsPos(); |
| 1247 | } |
| 1248 | bool HasNext() const { |
| 1249 | return pos_ < EndOfVirtualMethodsPos(); |
| 1250 | } |
Ian Rogers | 637c65b | 2013-05-31 11:46:00 -0700 | [diff] [blame] | 1251 | inline void Next() { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1252 | pos_++; |
| 1253 | if (pos_ < EndOfStaticFieldsPos()) { |
| 1254 | last_idx_ = GetMemberIndex(); |
| 1255 | ReadClassDataField(); |
| 1256 | } else if (pos_ == EndOfStaticFieldsPos() && NumInstanceFields() > 0) { |
| 1257 | last_idx_ = 0; // transition to next array, reset last index |
| 1258 | ReadClassDataField(); |
| 1259 | } else if (pos_ < EndOfInstanceFieldsPos()) { |
| 1260 | last_idx_ = GetMemberIndex(); |
| 1261 | ReadClassDataField(); |
| 1262 | } else if (pos_ == EndOfInstanceFieldsPos() && NumDirectMethods() > 0) { |
| 1263 | last_idx_ = 0; // transition to next array, reset last index |
| 1264 | ReadClassDataMethod(); |
| 1265 | } else if (pos_ < EndOfDirectMethodsPos()) { |
| 1266 | last_idx_ = GetMemberIndex(); |
| 1267 | ReadClassDataMethod(); |
| 1268 | } else if (pos_ == EndOfDirectMethodsPos() && NumVirtualMethods() > 0) { |
| 1269 | last_idx_ = 0; // transition to next array, reset last index |
| 1270 | ReadClassDataMethod(); |
| 1271 | } else if (pos_ < EndOfVirtualMethodsPos()) { |
| 1272 | last_idx_ = GetMemberIndex(); |
| 1273 | ReadClassDataMethod(); |
| 1274 | } else { |
| 1275 | DCHECK(!HasNext()); |
| 1276 | } |
| 1277 | } |
| 1278 | uint32_t GetMemberIndex() const { |
| 1279 | if (pos_ < EndOfInstanceFieldsPos()) { |
| 1280 | return last_idx_ + field_.field_idx_delta_; |
| 1281 | } else { |
Sebastien Hertz | b24bd99 | 2013-08-02 15:19:09 +0200 | [diff] [blame] | 1282 | DCHECK_LT(pos_, EndOfVirtualMethodsPos()); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1283 | return last_idx_ + method_.method_idx_delta_; |
| 1284 | } |
| 1285 | } |
Andreas Gampe | 5182932 | 2014-08-25 15:05:04 -0700 | [diff] [blame] | 1286 | uint32_t GetRawMemberAccessFlags() const { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1287 | if (pos_ < EndOfInstanceFieldsPos()) { |
| 1288 | return field_.access_flags_; |
| 1289 | } else { |
Sebastien Hertz | b24bd99 | 2013-08-02 15:19:09 +0200 | [diff] [blame] | 1290 | DCHECK_LT(pos_, EndOfVirtualMethodsPos()); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1291 | return method_.access_flags_; |
| 1292 | } |
| 1293 | } |
Andreas Gampe | 5182932 | 2014-08-25 15:05:04 -0700 | [diff] [blame] | 1294 | uint32_t GetFieldAccessFlags() const { |
| 1295 | return GetRawMemberAccessFlags() & kAccValidFieldFlags; |
| 1296 | } |
| 1297 | uint32_t GetMethodAccessFlags() const { |
| 1298 | return GetRawMemberAccessFlags() & kAccValidMethodFlags; |
| 1299 | } |
| 1300 | bool MemberIsNative() const { |
| 1301 | return GetRawMemberAccessFlags() & kAccNative; |
| 1302 | } |
| 1303 | bool MemberIsFinal() const { |
| 1304 | return GetRawMemberAccessFlags() & kAccFinal; |
| 1305 | } |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 1306 | InvokeType GetMethodInvokeType(const DexFile::ClassDef& class_def) const { |
| 1307 | if (HasNextDirectMethod()) { |
Andreas Gampe | 5182932 | 2014-08-25 15:05:04 -0700 | [diff] [blame] | 1308 | if ((GetRawMemberAccessFlags() & kAccStatic) != 0) { |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 1309 | return kStatic; |
| 1310 | } else { |
| 1311 | return kDirect; |
| 1312 | } |
| 1313 | } else { |
Andreas Gampe | 5182932 | 2014-08-25 15:05:04 -0700 | [diff] [blame] | 1314 | DCHECK_EQ(GetRawMemberAccessFlags() & kAccStatic, 0U); |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 1315 | if ((class_def.access_flags_ & kAccInterface) != 0) { |
| 1316 | return kInterface; |
Andreas Gampe | 5182932 | 2014-08-25 15:05:04 -0700 | [diff] [blame] | 1317 | } else if ((GetRawMemberAccessFlags() & kAccConstructor) != 0) { |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 1318 | return kSuper; |
| 1319 | } else { |
| 1320 | return kVirtual; |
| 1321 | } |
| 1322 | } |
| 1323 | } |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1324 | const DexFile::CodeItem* GetMethodCodeItem() const { |
| 1325 | return dex_file_.GetCodeItem(method_.code_off_); |
| 1326 | } |
| 1327 | uint32_t GetMethodCodeItemOffset() const { |
| 1328 | return method_.code_off_; |
| 1329 | } |
Andreas Gampe | e6215c0 | 2015-08-31 18:54:38 -0700 | [diff] [blame] | 1330 | const uint8_t* DataPointer() const { |
| 1331 | return ptr_pos_; |
| 1332 | } |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 1333 | const uint8_t* EndDataPointer() const { |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 1334 | CHECK(!HasNext()); |
| 1335 | return ptr_pos_; |
| 1336 | } |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 1337 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1338 | private: |
| 1339 | // A dex file's class_data_item is leb128 encoded, this structure holds a decoded form of the |
| 1340 | // header for a class_data_item |
| 1341 | struct ClassDataHeader { |
| 1342 | uint32_t static_fields_size_; // the number of static fields |
| 1343 | uint32_t instance_fields_size_; // the number of instance fields |
| 1344 | uint32_t direct_methods_size_; // the number of direct methods |
| 1345 | uint32_t virtual_methods_size_; // the number of virtual methods |
| 1346 | } header_; |
| 1347 | |
| 1348 | // Read and decode header from a class_data_item stream into header |
| 1349 | void ReadClassDataHeader(); |
| 1350 | |
| 1351 | uint32_t EndOfStaticFieldsPos() const { |
| 1352 | return header_.static_fields_size_; |
| 1353 | } |
| 1354 | uint32_t EndOfInstanceFieldsPos() const { |
| 1355 | return EndOfStaticFieldsPos() + header_.instance_fields_size_; |
| 1356 | } |
| 1357 | uint32_t EndOfDirectMethodsPos() const { |
| 1358 | return EndOfInstanceFieldsPos() + header_.direct_methods_size_; |
| 1359 | } |
| 1360 | uint32_t EndOfVirtualMethodsPos() const { |
| 1361 | return EndOfDirectMethodsPos() + header_.virtual_methods_size_; |
| 1362 | } |
| 1363 | |
| 1364 | // A decoded version of the field of a class_data_item |
| 1365 | struct ClassDataField { |
| 1366 | uint32_t field_idx_delta_; // delta of index into the field_ids array for FieldId |
| 1367 | uint32_t access_flags_; // access flags for the field |
| 1368 | ClassDataField() : field_idx_delta_(0), access_flags_(0) {} |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 1369 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1370 | private: |
| 1371 | DISALLOW_COPY_AND_ASSIGN(ClassDataField); |
Elliott Hughes | ee0fa76 | 2012-03-26 17:12:41 -0700 | [diff] [blame] | 1372 | }; |
| 1373 | ClassDataField field_; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1374 | |
| 1375 | // Read and decode a field from a class_data_item stream into field |
| 1376 | void ReadClassDataField(); |
| 1377 | |
| 1378 | // A decoded version of the method of a class_data_item |
| 1379 | struct ClassDataMethod { |
| 1380 | uint32_t method_idx_delta_; // delta of index into the method_ids array for MethodId |
| 1381 | uint32_t access_flags_; |
| 1382 | uint32_t code_off_; |
| 1383 | ClassDataMethod() : method_idx_delta_(0), access_flags_(0), code_off_(0) {} |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 1384 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1385 | private: |
| 1386 | DISALLOW_COPY_AND_ASSIGN(ClassDataMethod); |
Elliott Hughes | ee0fa76 | 2012-03-26 17:12:41 -0700 | [diff] [blame] | 1387 | }; |
| 1388 | ClassDataMethod method_; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1389 | |
| 1390 | // Read and decode a method from a class_data_item stream into method |
| 1391 | void ReadClassDataMethod(); |
| 1392 | |
| 1393 | const DexFile& dex_file_; |
| 1394 | size_t pos_; // integral number of items passed |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 1395 | const uint8_t* ptr_pos_; // pointer into stream of class_data_item |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1396 | uint32_t last_idx_; // last read field or method index to apply delta to |
| 1397 | DISALLOW_IMPLICIT_CONSTRUCTORS(ClassDataItemIterator); |
| 1398 | }; |
| 1399 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1400 | class EncodedStaticFieldValueIterator { |
| 1401 | public: |
Shinichiro Hamaji | 82863f0 | 2015-11-05 16:51:33 +0900 | [diff] [blame] | 1402 | EncodedStaticFieldValueIterator(const DexFile& dex_file, |
| 1403 | const DexFile::ClassDef& class_def); |
| 1404 | |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 1405 | bool HasNext() const { return pos_ < array_size_; } |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1406 | |
| 1407 | void Next(); |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 1408 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1409 | enum ValueType { |
| 1410 | kByte = 0x00, |
| 1411 | kShort = 0x02, |
| 1412 | kChar = 0x03, |
| 1413 | kInt = 0x04, |
| 1414 | kLong = 0x06, |
| 1415 | kFloat = 0x10, |
| 1416 | kDouble = 0x11, |
| 1417 | kString = 0x17, |
| 1418 | kType = 0x18, |
| 1419 | kField = 0x19, |
| 1420 | kMethod = 0x1a, |
| 1421 | kEnum = 0x1b, |
| 1422 | kArray = 0x1c, |
| 1423 | kAnnotation = 0x1d, |
| 1424 | kNull = 0x1e, |
| 1425 | kBoolean = 0x1f |
| 1426 | }; |
| 1427 | |
Shinichiro Hamaji | 82863f0 | 2015-11-05 16:51:33 +0900 | [diff] [blame] | 1428 | ValueType GetValueType() const { return type_; } |
| 1429 | const jvalue& GetJavaValue() const { return jval_; } |
| 1430 | |
David Sehr | 9323e6e | 2016-09-13 08:58:35 -0700 | [diff] [blame] | 1431 | protected: |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 1432 | static constexpr uint8_t kEncodedValueTypeMask = 0x1f; // 0b11111 |
| 1433 | static constexpr uint8_t kEncodedValueArgShift = 5; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1434 | |
| 1435 | const DexFile& dex_file_; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 1436 | size_t array_size_; // Size of array. |
| 1437 | size_t pos_; // Current position. |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 1438 | const uint8_t* ptr_; // Pointer into encoded data array. |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 1439 | ValueType type_; // Type of current encoded value. |
| 1440 | jvalue jval_; // Value of current encoded value. |
David Sehr | 9323e6e | 2016-09-13 08:58:35 -0700 | [diff] [blame] | 1441 | |
| 1442 | private: |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1443 | DISALLOW_IMPLICIT_CONSTRUCTORS(EncodedStaticFieldValueIterator); |
| 1444 | }; |
Brian Carlstrom | 88f3654 | 2012-10-16 23:24:21 -0700 | [diff] [blame] | 1445 | std::ostream& operator<<(std::ostream& os, const EncodedStaticFieldValueIterator::ValueType& code); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1446 | |
| 1447 | class CatchHandlerIterator { |
| 1448 | public: |
| 1449 | CatchHandlerIterator(const DexFile::CodeItem& code_item, uint32_t address); |
Logan Chien | 736df02 | 2012-04-27 16:25:57 +0800 | [diff] [blame] | 1450 | |
| 1451 | CatchHandlerIterator(const DexFile::CodeItem& code_item, |
| 1452 | const DexFile::TryItem& try_item); |
| 1453 | |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 1454 | explicit CatchHandlerIterator(const uint8_t* handler_data) { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1455 | Init(handler_data); |
| 1456 | } |
| 1457 | |
| 1458 | uint16_t GetHandlerTypeIndex() const { |
| 1459 | return handler_.type_idx_; |
| 1460 | } |
| 1461 | uint32_t GetHandlerAddress() const { |
| 1462 | return handler_.address_; |
| 1463 | } |
| 1464 | void Next(); |
| 1465 | bool HasNext() const { |
| 1466 | return remaining_count_ != -1 || catch_all_; |
| 1467 | } |
| 1468 | // End of this set of catch blocks, convenience method to locate next set of catch blocks |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 1469 | const uint8_t* EndDataPointer() const { |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1470 | CHECK(!HasNext()); |
| 1471 | return current_data_; |
| 1472 | } |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 1473 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1474 | private: |
Logan Chien | 736df02 | 2012-04-27 16:25:57 +0800 | [diff] [blame] | 1475 | void Init(const DexFile::CodeItem& code_item, int32_t offset); |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 1476 | void Init(const uint8_t* handler_data); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1477 | |
| 1478 | struct CatchHandlerItem { |
| 1479 | uint16_t type_idx_; // type index of the caught exception type |
| 1480 | uint32_t address_; // handler address |
| 1481 | } handler_; |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 1482 | const uint8_t* current_data_; // the current handler in dex file. |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 1483 | int32_t remaining_count_; // number of handlers not read. |
| 1484 | bool catch_all_; // is there a handler that will catch all exceptions in case |
| 1485 | // that all typed handler does not match. |
| 1486 | }; |
| 1487 | |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1488 | } // namespace art |
| 1489 | |
Brian Carlstrom | fc0e321 | 2013-07-17 14:40:12 -0700 | [diff] [blame] | 1490 | #endif // ART_RUNTIME_DEX_FILE_H_ |