Fairphone ODM | 25c12f5 | 2023-12-15 17:24:06 +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 | */ |
| 16 | |
| 17 | #ifndef ART_LIBDEXFILE_DEX_DEX_FILE_INL_H_ |
| 18 | #define ART_LIBDEXFILE_DEX_DEX_FILE_INL_H_ |
| 19 | |
| 20 | #include "dex_file.h" |
| 21 | |
| 22 | #include "base/casts.h" |
| 23 | #include "base/iteration_range.h" |
| 24 | #include "base/leb128.h" |
| 25 | #include "base/utils.h" |
| 26 | #include "class_iterator.h" |
| 27 | #include "compact_dex_file.h" |
| 28 | #include "dex_instruction_iterator.h" |
| 29 | #include "invoke_type.h" |
| 30 | #include "signature.h" |
| 31 | #include "standard_dex_file.h" |
| 32 | |
| 33 | namespace art { |
| 34 | |
| 35 | inline std::string_view StringViewFromUtf16Length(const char* utf8_data, size_t utf16_length) { |
| 36 | size_t utf8_length = LIKELY(utf8_data[utf16_length] == 0) // Is ASCII? |
| 37 | ? utf16_length |
| 38 | : utf16_length + strlen(utf8_data + utf16_length); |
| 39 | return std::string_view(utf8_data, utf8_length); |
| 40 | } |
| 41 | |
| 42 | inline int32_t DexFile::GetStringLength(const dex::StringId& string_id) const { |
| 43 | const uint8_t* ptr = DataBegin() + string_id.string_data_off_; |
| 44 | return DecodeUnsignedLeb128(&ptr); |
| 45 | } |
| 46 | |
| 47 | ALWAYS_INLINE |
| 48 | inline const char* DexFile::GetStringDataAndUtf16Length(const dex::StringId& string_id, |
| 49 | uint32_t* utf16_length) const { |
| 50 | DCHECK(utf16_length != nullptr) << GetLocation(); |
| 51 | const uint8_t* ptr = DataBegin() + string_id.string_data_off_; |
| 52 | *utf16_length = DecodeUnsignedLeb128(&ptr); |
| 53 | return reinterpret_cast<const char*>(ptr); |
| 54 | } |
| 55 | |
| 56 | ALWAYS_INLINE |
| 57 | inline const char* DexFile::GetStringData(const dex::StringId& string_id) const { |
| 58 | uint32_t ignored; |
| 59 | return GetStringDataAndUtf16Length(string_id, &ignored); |
| 60 | } |
| 61 | |
| 62 | ALWAYS_INLINE |
| 63 | inline const char* DexFile::StringDataAndUtf16LengthByIdx(dex::StringIndex idx, |
| 64 | uint32_t* utf16_length) const { |
| 65 | if (!idx.IsValid()) { |
| 66 | *utf16_length = 0; |
| 67 | return nullptr; |
| 68 | } |
| 69 | const dex::StringId& string_id = GetStringId(idx); |
| 70 | return GetStringDataAndUtf16Length(string_id, utf16_length); |
| 71 | } |
| 72 | |
| 73 | ALWAYS_INLINE |
| 74 | inline const char* DexFile::StringDataByIdx(dex::StringIndex idx) const { |
| 75 | uint32_t unicode_length; |
| 76 | return StringDataAndUtf16LengthByIdx(idx, &unicode_length); |
| 77 | } |
| 78 | |
| 79 | ALWAYS_INLINE |
| 80 | inline std::string_view DexFile::StringViewByIdx(dex::StringIndex idx) const { |
| 81 | uint32_t unicode_length; |
| 82 | const char* data = StringDataAndUtf16LengthByIdx(idx, &unicode_length); |
| 83 | return data != nullptr ? StringViewFromUtf16Length(data, unicode_length) : std::string_view(""); |
| 84 | } |
| 85 | |
| 86 | inline const char* DexFile::StringByTypeIdx(dex::TypeIndex idx, uint32_t* unicode_length) const { |
| 87 | if (!idx.IsValid()) { |
| 88 | return nullptr; |
| 89 | } |
| 90 | const dex::TypeId& type_id = GetTypeId(idx); |
| 91 | return StringDataAndUtf16LengthByIdx(type_id.descriptor_idx_, unicode_length); |
| 92 | } |
| 93 | |
| 94 | inline const char* DexFile::StringByTypeIdx(dex::TypeIndex idx) const { |
| 95 | if (!idx.IsValid()) { |
| 96 | return nullptr; |
| 97 | } |
| 98 | const dex::TypeId& type_id = GetTypeId(idx); |
| 99 | return StringDataByIdx(type_id.descriptor_idx_); |
| 100 | } |
| 101 | |
| 102 | inline const char* DexFile::GetTypeDescriptor(const dex::TypeId& type_id) const { |
| 103 | return StringDataByIdx(type_id.descriptor_idx_); |
| 104 | } |
| 105 | |
| 106 | inline std::string_view DexFile::GetTypeDescriptorView(const dex::TypeId& type_id) const { |
| 107 | return StringViewByIdx(type_id.descriptor_idx_); |
| 108 | } |
| 109 | |
| 110 | inline const char* DexFile::GetFieldTypeDescriptor(const dex::FieldId& field_id) const { |
| 111 | const dex::TypeId& type_id = GetTypeId(field_id.type_idx_); |
| 112 | return GetTypeDescriptor(type_id); |
| 113 | } |
| 114 | |
| 115 | inline std::string_view DexFile::GetFieldTypeDescriptorView(const dex::FieldId& field_id) const { |
| 116 | const dex::TypeId& type_id = GetTypeId(field_id.type_idx_); |
| 117 | return GetTypeDescriptorView(type_id); |
| 118 | } |
| 119 | |
| 120 | inline const char* DexFile::GetFieldName(const dex::FieldId& field_id) const { |
| 121 | return StringDataByIdx(field_id.name_idx_); |
| 122 | } |
| 123 | |
| 124 | inline std::string_view DexFile::GetFieldNameView(const dex::FieldId& field_id) const { |
| 125 | return StringViewByIdx(field_id.name_idx_); |
| 126 | } |
| 127 | |
| 128 | inline const char* DexFile::GetMethodDeclaringClassDescriptor(const dex::MethodId& method_id) |
| 129 | const { |
| 130 | const dex::TypeId& type_id = GetTypeId(method_id.class_idx_); |
| 131 | return GetTypeDescriptor(type_id); |
| 132 | } |
| 133 | |
| 134 | inline const Signature DexFile::GetMethodSignature(const dex::MethodId& method_id) const { |
| 135 | return Signature(this, GetProtoId(method_id.proto_idx_)); |
| 136 | } |
| 137 | |
| 138 | inline const Signature DexFile::GetProtoSignature(const dex::ProtoId& proto_id) const { |
| 139 | return Signature(this, proto_id); |
| 140 | } |
| 141 | |
| 142 | inline const char* DexFile::GetMethodName(const dex::MethodId& method_id) const { |
| 143 | return StringDataByIdx(method_id.name_idx_); |
| 144 | } |
| 145 | |
| 146 | inline const char* DexFile::GetMethodName(const dex::MethodId& method_id, uint32_t* utf_length) |
| 147 | const { |
| 148 | return StringDataAndUtf16LengthByIdx(method_id.name_idx_, utf_length); |
| 149 | } |
| 150 | |
| 151 | inline const char* DexFile::GetMethodName(uint32_t idx) const { |
| 152 | return StringDataByIdx(GetMethodId(idx).name_idx_); |
| 153 | } |
| 154 | |
| 155 | inline const char* DexFile::GetMethodName(uint32_t idx, uint32_t* utf_length) const { |
| 156 | return StringDataAndUtf16LengthByIdx(GetMethodId(idx).name_idx_, utf_length); |
| 157 | } |
| 158 | |
| 159 | ALWAYS_INLINE |
| 160 | inline std::string_view DexFile::GetMethodNameView(const dex::MethodId& method_id) const { |
| 161 | return StringViewByIdx(method_id.name_idx_); |
| 162 | } |
| 163 | |
| 164 | ALWAYS_INLINE |
| 165 | inline std::string_view DexFile::GetMethodNameView(uint32_t idx) const { |
| 166 | return GetMethodNameView(GetMethodId(idx)); |
| 167 | } |
| 168 | |
| 169 | inline const char* DexFile::GetMethodShorty(uint32_t idx) const { |
| 170 | return StringDataByIdx(GetProtoId(GetMethodId(idx).proto_idx_).shorty_idx_); |
| 171 | } |
| 172 | |
| 173 | inline const char* DexFile::GetMethodShorty(const dex::MethodId& method_id) const { |
| 174 | return StringDataByIdx(GetProtoId(method_id.proto_idx_).shorty_idx_); |
| 175 | } |
| 176 | |
| 177 | inline const char* DexFile::GetMethodShorty(const dex::MethodId& method_id, uint32_t* length) |
| 178 | const { |
| 179 | // Using the UTF16 length is safe here as shorties are guaranteed to be ASCII characters. |
| 180 | return StringDataAndUtf16LengthByIdx(GetProtoId(method_id.proto_idx_).shorty_idx_, length); |
| 181 | } |
| 182 | |
| 183 | inline const char* DexFile::GetClassDescriptor(const dex::ClassDef& class_def) const { |
| 184 | return StringByTypeIdx(class_def.class_idx_); |
| 185 | } |
| 186 | |
| 187 | inline const char* DexFile::GetReturnTypeDescriptor(const dex::ProtoId& proto_id) const { |
| 188 | return StringByTypeIdx(proto_id.return_type_idx_); |
| 189 | } |
| 190 | |
| 191 | inline const char* DexFile::GetShorty(dex::ProtoIndex proto_idx) const { |
| 192 | const dex::ProtoId& proto_id = GetProtoId(proto_idx); |
| 193 | return StringDataByIdx(proto_id.shorty_idx_); |
| 194 | } |
| 195 | |
| 196 | ALWAYS_INLINE |
| 197 | inline std::string_view DexFile::GetShortyView(const dex::ProtoId& proto_id) const { |
| 198 | uint32_t lhs_shorty_len; |
| 199 | const char* lhs_shorty_data = |
| 200 | StringDataAndUtf16LengthByIdx(proto_id.shorty_idx_, &lhs_shorty_len); |
| 201 | DCHECK_EQ(lhs_shorty_data[lhs_shorty_len], '\0'); // For a shorty utf16 length == mutf8 length. |
| 202 | return std::string_view(lhs_shorty_data, lhs_shorty_len); |
| 203 | } |
| 204 | |
| 205 | inline const dex::TryItem* DexFile::GetTryItems(const DexInstructionIterator& code_item_end, |
| 206 | uint32_t offset) { |
| 207 | return reinterpret_cast<const dex::TryItem*> |
| 208 | (RoundUp(reinterpret_cast<uintptr_t>(&code_item_end.Inst()), dex::TryItem::kAlignment)) + |
| 209 | offset; |
| 210 | } |
| 211 | |
| 212 | inline bool DexFile::StringEquals(const DexFile* df1, dex::StringIndex sidx1, |
| 213 | const DexFile* df2, dex::StringIndex sidx2) { |
| 214 | uint32_t s1_len; // Note: utf16 length != mutf8 length. |
| 215 | const char* s1_data = df1->StringDataAndUtf16LengthByIdx(sidx1, &s1_len); |
| 216 | uint32_t s2_len; |
| 217 | const char* s2_data = df2->StringDataAndUtf16LengthByIdx(sidx2, &s2_len); |
| 218 | return (s1_len == s2_len) && (strcmp(s1_data, s2_data) == 0); |
| 219 | } |
| 220 | |
| 221 | template<typename NewLocalCallback, typename IndexToStringData, typename TypeIndexToStringData> |
| 222 | bool DexFile::DecodeDebugLocalInfo(const uint8_t* stream, |
| 223 | const std::string& location, |
| 224 | const char* declaring_class_descriptor, |
| 225 | const std::vector<const char*>& arg_descriptors, |
| 226 | const std::string& method_name, |
| 227 | bool is_static, |
| 228 | uint16_t registers_size, |
| 229 | uint16_t ins_size, |
| 230 | uint16_t insns_size_in_code_units, |
| 231 | const IndexToStringData& index_to_string_data, |
| 232 | const TypeIndexToStringData& type_index_to_string_data, |
| 233 | const NewLocalCallback& new_local_callback) { |
| 234 | if (stream == nullptr) { |
| 235 | return false; |
| 236 | } |
| 237 | std::vector<LocalInfo> local_in_reg(registers_size); |
| 238 | |
| 239 | uint16_t arg_reg = registers_size - ins_size; |
| 240 | if (!is_static) { |
| 241 | const char* descriptor = declaring_class_descriptor; |
| 242 | local_in_reg[arg_reg].name_ = "this"; |
| 243 | local_in_reg[arg_reg].descriptor_ = descriptor; |
| 244 | local_in_reg[arg_reg].signature_ = nullptr; |
| 245 | local_in_reg[arg_reg].start_address_ = 0; |
| 246 | local_in_reg[arg_reg].reg_ = arg_reg; |
| 247 | local_in_reg[arg_reg].is_live_ = true; |
| 248 | arg_reg++; |
| 249 | } |
| 250 | |
| 251 | DecodeUnsignedLeb128(&stream); // Line. |
| 252 | uint32_t parameters_size = DecodeUnsignedLeb128(&stream); |
| 253 | uint32_t i; |
| 254 | if (parameters_size != arg_descriptors.size()) { |
| 255 | LOG(ERROR) << "invalid stream - problem with parameter iterator in " << location |
| 256 | << " for method " << method_name; |
| 257 | return false; |
| 258 | } |
| 259 | for (i = 0; i < parameters_size && i < arg_descriptors.size(); ++i) { |
| 260 | if (arg_reg >= registers_size) { |
| 261 | LOG(ERROR) << "invalid stream - arg reg >= reg size (" << arg_reg |
| 262 | << " >= " << registers_size << ") in " << location; |
| 263 | return false; |
| 264 | } |
| 265 | uint32_t name_idx = DecodeUnsignedLeb128P1(&stream); |
| 266 | const char* descriptor = arg_descriptors[i]; |
| 267 | local_in_reg[arg_reg].name_ = index_to_string_data(name_idx); |
| 268 | local_in_reg[arg_reg].descriptor_ = descriptor; |
| 269 | local_in_reg[arg_reg].signature_ = nullptr; |
| 270 | local_in_reg[arg_reg].start_address_ = 0; |
| 271 | local_in_reg[arg_reg].reg_ = arg_reg; |
| 272 | local_in_reg[arg_reg].is_live_ = true; |
| 273 | switch (*descriptor) { |
| 274 | case 'D': |
| 275 | case 'J': |
| 276 | arg_reg += 2; |
| 277 | break; |
| 278 | default: |
| 279 | arg_reg += 1; |
| 280 | break; |
| 281 | } |
| 282 | } |
| 283 | |
| 284 | uint32_t address = 0; |
| 285 | for (;;) { |
| 286 | uint8_t opcode = *stream++; |
| 287 | switch (opcode) { |
| 288 | case DBG_END_SEQUENCE: |
| 289 | // Emit all variables which are still alive at the end of the method. |
| 290 | for (uint16_t reg = 0; reg < registers_size; reg++) { |
| 291 | if (local_in_reg[reg].is_live_) { |
| 292 | local_in_reg[reg].end_address_ = insns_size_in_code_units; |
| 293 | new_local_callback(local_in_reg[reg]); |
| 294 | } |
| 295 | } |
| 296 | return true; |
| 297 | case DBG_ADVANCE_PC: |
| 298 | address += DecodeUnsignedLeb128(&stream); |
| 299 | break; |
| 300 | case DBG_ADVANCE_LINE: |
| 301 | DecodeSignedLeb128(&stream); // Line. |
| 302 | break; |
| 303 | case DBG_START_LOCAL: |
| 304 | case DBG_START_LOCAL_EXTENDED: { |
| 305 | uint16_t reg = DecodeUnsignedLeb128(&stream); |
| 306 | if (reg >= registers_size) { |
| 307 | LOG(ERROR) << "invalid stream - reg >= reg size (" << reg << " >= " |
| 308 | << registers_size << ") in " << location; |
| 309 | return false; |
| 310 | } |
| 311 | |
| 312 | uint32_t name_idx = DecodeUnsignedLeb128P1(&stream); |
| 313 | uint16_t descriptor_idx = DecodeUnsignedLeb128P1(&stream); |
| 314 | uint32_t signature_idx = dex::kDexNoIndex; |
| 315 | if (opcode == DBG_START_LOCAL_EXTENDED) { |
| 316 | signature_idx = DecodeUnsignedLeb128P1(&stream); |
| 317 | } |
| 318 | |
| 319 | // Emit what was previously there, if anything |
| 320 | if (local_in_reg[reg].is_live_) { |
| 321 | local_in_reg[reg].end_address_ = address; |
| 322 | new_local_callback(local_in_reg[reg]); |
| 323 | } |
| 324 | |
| 325 | local_in_reg[reg].name_ = index_to_string_data(name_idx); |
| 326 | local_in_reg[reg].descriptor_ = type_index_to_string_data(descriptor_idx);; |
| 327 | local_in_reg[reg].signature_ = index_to_string_data(signature_idx); |
| 328 | local_in_reg[reg].start_address_ = address; |
| 329 | local_in_reg[reg].reg_ = reg; |
| 330 | local_in_reg[reg].is_live_ = true; |
| 331 | break; |
| 332 | } |
| 333 | case DBG_END_LOCAL: { |
| 334 | uint16_t reg = DecodeUnsignedLeb128(&stream); |
| 335 | if (reg >= registers_size) { |
| 336 | LOG(ERROR) << "invalid stream - reg >= reg size (" << reg << " >= " |
| 337 | << registers_size << ") in " << location; |
| 338 | return false; |
| 339 | } |
| 340 | // If the register is live, close it properly. Otherwise, closing an already |
| 341 | // closed register is sloppy, but harmless if no further action is taken. |
| 342 | if (local_in_reg[reg].is_live_) { |
| 343 | local_in_reg[reg].end_address_ = address; |
| 344 | new_local_callback(local_in_reg[reg]); |
| 345 | local_in_reg[reg].is_live_ = false; |
| 346 | } |
| 347 | break; |
| 348 | } |
| 349 | case DBG_RESTART_LOCAL: { |
| 350 | uint16_t reg = DecodeUnsignedLeb128(&stream); |
| 351 | if (reg >= registers_size) { |
| 352 | LOG(ERROR) << "invalid stream - reg >= reg size (" << reg << " >= " |
| 353 | << registers_size << ") in " << location; |
| 354 | return false; |
| 355 | } |
| 356 | // If the register is live, the "restart" is superfluous, |
| 357 | // and we don't want to mess with the existing start address. |
| 358 | if (!local_in_reg[reg].is_live_) { |
| 359 | local_in_reg[reg].start_address_ = address; |
| 360 | local_in_reg[reg].is_live_ = true; |
| 361 | } |
| 362 | break; |
| 363 | } |
| 364 | case DBG_SET_PROLOGUE_END: |
| 365 | case DBG_SET_EPILOGUE_BEGIN: |
| 366 | break; |
| 367 | case DBG_SET_FILE: |
| 368 | DecodeUnsignedLeb128P1(&stream); // name. |
| 369 | break; |
| 370 | default: |
| 371 | address += (opcode - DBG_FIRST_SPECIAL) / DBG_LINE_RANGE; |
| 372 | break; |
| 373 | } |
| 374 | } |
| 375 | } |
| 376 | |
| 377 | template<typename NewLocalCallback> |
| 378 | bool DexFile::DecodeDebugLocalInfo(uint32_t registers_size, |
| 379 | uint32_t ins_size, |
| 380 | uint32_t insns_size_in_code_units, |
| 381 | uint32_t debug_info_offset, |
| 382 | bool is_static, |
| 383 | uint32_t method_idx, |
| 384 | const NewLocalCallback& new_local_callback) const { |
| 385 | const uint8_t* const stream = GetDebugInfoStream(debug_info_offset); |
| 386 | if (stream == nullptr) { |
| 387 | return false; |
| 388 | } |
| 389 | std::vector<const char*> arg_descriptors; |
| 390 | DexFileParameterIterator it(*this, GetMethodPrototype(GetMethodId(method_idx))); |
| 391 | for (; it.HasNext(); it.Next()) { |
| 392 | arg_descriptors.push_back(it.GetDescriptor()); |
| 393 | } |
| 394 | return DecodeDebugLocalInfo(stream, |
| 395 | GetLocation(), |
| 396 | GetMethodDeclaringClassDescriptor(GetMethodId(method_idx)), |
| 397 | arg_descriptors, |
| 398 | this->PrettyMethod(method_idx), |
| 399 | is_static, |
| 400 | registers_size, |
| 401 | ins_size, |
| 402 | insns_size_in_code_units, |
| 403 | [this](uint32_t idx) { |
| 404 | return StringDataByIdx(dex::StringIndex(idx)); |
| 405 | }, |
| 406 | [this](uint32_t idx) { |
| 407 | return StringByTypeIdx(dex::TypeIndex( |
| 408 | dchecked_integral_cast<uint16_t>(idx))); |
| 409 | }, |
| 410 | new_local_callback); |
| 411 | } |
| 412 | |
| 413 | template<typename DexDebugNewPosition, typename IndexToStringData> |
| 414 | bool DexFile::DecodeDebugPositionInfo(const uint8_t* stream, |
| 415 | const IndexToStringData& index_to_string_data, |
| 416 | const DexDebugNewPosition& position_functor) { |
| 417 | if (stream == nullptr) { |
| 418 | return false; |
| 419 | } |
| 420 | |
| 421 | PositionInfo entry; |
| 422 | entry.line_ = DecodeDebugInfoParameterNames(&stream, VoidFunctor()); |
| 423 | |
| 424 | for (;;) { |
| 425 | uint8_t opcode = *stream++; |
| 426 | switch (opcode) { |
| 427 | case DBG_END_SEQUENCE: |
| 428 | return true; // end of stream. |
| 429 | case DBG_ADVANCE_PC: |
| 430 | entry.address_ += DecodeUnsignedLeb128(&stream); |
| 431 | break; |
| 432 | case DBG_ADVANCE_LINE: |
| 433 | entry.line_ += DecodeSignedLeb128(&stream); |
| 434 | break; |
| 435 | case DBG_START_LOCAL: |
| 436 | DecodeUnsignedLeb128(&stream); // reg. |
| 437 | DecodeUnsignedLeb128P1(&stream); // name. |
| 438 | DecodeUnsignedLeb128P1(&stream); // descriptor. |
| 439 | break; |
| 440 | case DBG_START_LOCAL_EXTENDED: |
| 441 | DecodeUnsignedLeb128(&stream); // reg. |
| 442 | DecodeUnsignedLeb128P1(&stream); // name. |
| 443 | DecodeUnsignedLeb128P1(&stream); // descriptor. |
| 444 | DecodeUnsignedLeb128P1(&stream); // signature. |
| 445 | break; |
| 446 | case DBG_END_LOCAL: |
| 447 | case DBG_RESTART_LOCAL: |
| 448 | DecodeUnsignedLeb128(&stream); // reg. |
| 449 | break; |
| 450 | case DBG_SET_PROLOGUE_END: |
| 451 | entry.prologue_end_ = true; |
| 452 | break; |
| 453 | case DBG_SET_EPILOGUE_BEGIN: |
| 454 | entry.epilogue_begin_ = true; |
| 455 | break; |
| 456 | case DBG_SET_FILE: { |
| 457 | uint32_t name_idx = DecodeUnsignedLeb128P1(&stream); |
| 458 | entry.source_file_ = index_to_string_data(name_idx); |
| 459 | break; |
| 460 | } |
| 461 | default: { |
| 462 | int adjopcode = opcode - DBG_FIRST_SPECIAL; |
| 463 | entry.address_ += adjopcode / DBG_LINE_RANGE; |
| 464 | entry.line_ += DBG_LINE_BASE + (adjopcode % DBG_LINE_RANGE); |
| 465 | if (position_functor(entry)) { |
| 466 | return true; // early exit. |
| 467 | } |
| 468 | entry.prologue_end_ = false; |
| 469 | entry.epilogue_begin_ = false; |
| 470 | break; |
| 471 | } |
| 472 | } |
| 473 | } |
| 474 | } |
| 475 | |
| 476 | inline const CompactDexFile* DexFile::AsCompactDexFile() const { |
| 477 | DCHECK(IsCompactDexFile()); |
| 478 | return down_cast<const CompactDexFile*>(this); |
| 479 | } |
| 480 | |
| 481 | inline const StandardDexFile* DexFile::AsStandardDexFile() const { |
| 482 | DCHECK(IsStandardDexFile()); |
| 483 | return down_cast<const StandardDexFile*>(this); |
| 484 | } |
| 485 | |
| 486 | // Get the base of the encoded data for the given DexCode. |
| 487 | inline const uint8_t* DexFile::GetCatchHandlerData(const DexInstructionIterator& code_item_end, |
| 488 | uint32_t tries_size, |
| 489 | uint32_t offset) { |
| 490 | const uint8_t* handler_data = |
| 491 | reinterpret_cast<const uint8_t*>(GetTryItems(code_item_end, tries_size)); |
| 492 | return handler_data + offset; |
| 493 | } |
| 494 | |
| 495 | inline IterationRange<ClassIterator> DexFile::GetClasses() const { |
| 496 | return { ClassIterator(*this, 0u), ClassIterator(*this, NumClassDefs()) }; |
| 497 | } |
| 498 | |
| 499 | // Returns the line number |
| 500 | template <typename Visitor> |
| 501 | inline uint32_t DexFile::DecodeDebugInfoParameterNames(const uint8_t** debug_info, |
| 502 | const Visitor& visitor) { |
| 503 | uint32_t line = DecodeUnsignedLeb128(debug_info); |
| 504 | const uint32_t parameters_size = DecodeUnsignedLeb128(debug_info); |
| 505 | for (uint32_t i = 0; i < parameters_size; ++i) { |
| 506 | visitor(dex::StringIndex(DecodeUnsignedLeb128P1(debug_info))); |
| 507 | } |
| 508 | return line; |
| 509 | } |
| 510 | |
| 511 | } // namespace art |
| 512 | |
| 513 | #endif // ART_LIBDEXFILE_DEX_DEX_FILE_INL_H_ |