oatdump.cc revision c03d7b6bcac15ce8f829fee654b91a7e4583769d
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#include <stdio.h> 18#include <stdlib.h> 19 20#include <fstream> 21#include <iostream> 22#include <map> 23#include <set> 24#include <string> 25#include <unordered_map> 26#include <vector> 27 28#include "arch/instruction_set_features.h" 29#include "art_field-inl.h" 30#include "art_method-inl.h" 31#include "base/stl_util.h" 32#include "base/unix_file/fd_file.h" 33#include "class_linker.h" 34#include "class_linker-inl.h" 35#include "dex_file-inl.h" 36#include "dex_instruction.h" 37#include "disassembler.h" 38#include "elf_builder.h" 39#include "gc_map.h" 40#include "gc/space/image_space.h" 41#include "gc/space/large_object_space.h" 42#include "gc/space/space-inl.h" 43#include "image-inl.h" 44#include "indenter.h" 45#include "linker/buffered_output_stream.h" 46#include "linker/file_output_stream.h" 47#include "mapping_table.h" 48#include "mirror/array-inl.h" 49#include "mirror/class-inl.h" 50#include "mirror/dex_cache-inl.h" 51#include "mirror/object-inl.h" 52#include "mirror/object_array-inl.h" 53#include "oat.h" 54#include "oat_file-inl.h" 55#include "oat_file_manager.h" 56#include "os.h" 57#include "safe_map.h" 58#include "scoped_thread_state_change.h" 59#include "stack_map.h" 60#include "ScopedLocalRef.h" 61#include "thread_list.h" 62#include "verifier/dex_gc_map.h" 63#include "verifier/method_verifier.h" 64#include "vmap_table.h" 65#include "well_known_classes.h" 66 67#include <sys/stat.h> 68#include "cmdline.h" 69 70namespace art { 71 72const char* image_methods_descriptions_[] = { 73 "kResolutionMethod", 74 "kImtConflictMethod", 75 "kImtUnimplementedMethod", 76 "kCalleeSaveMethod", 77 "kRefsOnlySaveMethod", 78 "kRefsAndArgsSaveMethod", 79}; 80 81const char* image_roots_descriptions_[] = { 82 "kDexCaches", 83 "kClassRoots", 84}; 85 86// Map is so that we don't allocate multiple dex files for the same OatDexFile. 87static std::map<const OatFile::OatDexFile*, 88 std::unique_ptr<const DexFile>> opened_dex_files; 89 90const DexFile* OpenDexFile(const OatFile::OatDexFile* oat_dex_file, std::string* error_msg) { 91 DCHECK(oat_dex_file != nullptr); 92 auto it = opened_dex_files.find(oat_dex_file); 93 if (it != opened_dex_files.end()) { 94 return it->second.get(); 95 } 96 const DexFile* ret = oat_dex_file->OpenDexFile(error_msg).release(); 97 opened_dex_files.emplace(oat_dex_file, std::unique_ptr<const DexFile>(ret)); 98 return ret; 99} 100 101class OatSymbolizer FINAL { 102 public: 103 OatSymbolizer(const OatFile* oat_file, const std::string& output_name) : 104 oat_file_(oat_file), builder_(nullptr), 105 output_name_(output_name.empty() ? "symbolized.oat" : output_name) { 106 } 107 108 typedef void (OatSymbolizer::*Callback)(const DexFile::ClassDef&, 109 uint32_t, 110 const OatFile::OatMethod&, 111 const DexFile&, 112 uint32_t, 113 const DexFile::CodeItem*, 114 uint32_t); 115 116 bool Symbolize() { 117 const InstructionSet isa = oat_file_->GetOatHeader().GetInstructionSet(); 118 119 File* elf_file = OS::CreateEmptyFile(output_name_.c_str()); 120 std::unique_ptr<BufferedOutputStream> output_stream( 121 MakeUnique<BufferedOutputStream>(MakeUnique<FileOutputStream>(elf_file))); 122 builder_.reset(new ElfBuilder<ElfTypes32>(isa, output_stream.get())); 123 124 builder_->Start(); 125 126 auto* rodata = builder_->GetRoData(); 127 auto* text = builder_->GetText(); 128 auto* bss = builder_->GetBss(); 129 auto* strtab = builder_->GetStrTab(); 130 auto* symtab = builder_->GetSymTab(); 131 132 rodata->Start(); 133 const uint8_t* rodata_begin = oat_file_->Begin(); 134 const size_t rodata_size = oat_file_->GetOatHeader().GetExecutableOffset(); 135 rodata->WriteFully(rodata_begin, rodata_size); 136 rodata->End(); 137 138 text->Start(); 139 const uint8_t* text_begin = oat_file_->Begin() + rodata_size; 140 const size_t text_size = oat_file_->End() - text_begin; 141 text->WriteFully(text_begin, text_size); 142 text->End(); 143 144 if (oat_file_->BssSize() != 0) { 145 bss->WriteNoBitsSection(oat_file_->BssSize()); 146 } 147 148 builder_->PrepareDynamicSection( 149 elf_file->GetPath(), rodata_size, text_size, oat_file_->BssSize()); 150 builder_->WriteDynamicSection(); 151 152 Walk(&art::OatSymbolizer::RegisterForDedup); 153 154 NormalizeState(); 155 156 strtab->Start(); 157 strtab->Write(""); // strtab should start with empty string. 158 AddTrampolineSymbols(); 159 Walk(&art::OatSymbolizer::AddSymbol); 160 strtab->End(); 161 162 symtab->Start(); 163 symtab->Write(); 164 symtab->End(); 165 166 builder_->End(); 167 168 return builder_->Good(); 169 } 170 171 void AddTrampolineSymbol(const char* name, uint32_t code_offset) { 172 if (code_offset != 0) { 173 uint32_t name_offset = builder_->GetStrTab()->Write(name); 174 uint64_t symbol_value = code_offset - oat_file_->GetOatHeader().GetExecutableOffset(); 175 // Specifying 0 as the symbol size means that the symbol lasts until the next symbol or until 176 // the end of the section in case of the last symbol. 177 builder_->GetSymTab()->Add(name_offset, builder_->GetText(), symbol_value, 178 /* is_relative */ true, /* size */ 0, STB_GLOBAL, STT_FUNC); 179 } 180 } 181 182 void AddTrampolineSymbols() { 183 const OatHeader& oat_header = oat_file_->GetOatHeader(); 184 AddTrampolineSymbol("interpreterToInterpreterBridge", 185 oat_header.GetInterpreterToInterpreterBridgeOffset()); 186 AddTrampolineSymbol("interpreterToCompiledCodeBridge", 187 oat_header.GetInterpreterToCompiledCodeBridgeOffset()); 188 AddTrampolineSymbol("jniDlsymLookup", 189 oat_header.GetJniDlsymLookupOffset()); 190 AddTrampolineSymbol("quickGenericJniTrampoline", 191 oat_header.GetQuickGenericJniTrampolineOffset()); 192 AddTrampolineSymbol("quickImtConflictTrampoline", 193 oat_header.GetQuickImtConflictTrampolineOffset()); 194 AddTrampolineSymbol("quickResolutionTrampoline", 195 oat_header.GetQuickResolutionTrampolineOffset()); 196 AddTrampolineSymbol("quickToInterpreterBridge", 197 oat_header.GetQuickToInterpreterBridgeOffset()); 198 } 199 200 void Walk(Callback callback) { 201 std::vector<const OatFile::OatDexFile*> oat_dex_files = oat_file_->GetOatDexFiles(); 202 for (size_t i = 0; i < oat_dex_files.size(); i++) { 203 const OatFile::OatDexFile* oat_dex_file = oat_dex_files[i]; 204 CHECK(oat_dex_file != nullptr); 205 WalkOatDexFile(oat_dex_file, callback); 206 } 207 } 208 209 void WalkOatDexFile(const OatFile::OatDexFile* oat_dex_file, Callback callback) { 210 std::string error_msg; 211 const DexFile* const dex_file = OpenDexFile(oat_dex_file, &error_msg); 212 if (dex_file == nullptr) { 213 return; 214 } 215 for (size_t class_def_index = 0; 216 class_def_index < dex_file->NumClassDefs(); 217 class_def_index++) { 218 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); 219 const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(class_def_index); 220 OatClassType type = oat_class.GetType(); 221 switch (type) { 222 case kOatClassAllCompiled: 223 case kOatClassSomeCompiled: 224 WalkOatClass(oat_class, *dex_file, class_def, callback); 225 break; 226 227 case kOatClassNoneCompiled: 228 case kOatClassMax: 229 // Ignore. 230 break; 231 } 232 } 233 } 234 235 void WalkOatClass(const OatFile::OatClass& oat_class, const DexFile& dex_file, 236 const DexFile::ClassDef& class_def, Callback callback) { 237 const uint8_t* class_data = dex_file.GetClassData(class_def); 238 if (class_data == nullptr) { // empty class such as a marker interface? 239 return; 240 } 241 // Note: even if this is an interface or a native class, we still have to walk it, as there 242 // might be a static initializer. 243 ClassDataItemIterator it(dex_file, class_data); 244 SkipAllFields(&it); 245 uint32_t class_method_idx = 0; 246 while (it.HasNextDirectMethod()) { 247 const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_idx); 248 WalkOatMethod(class_def, class_method_idx, oat_method, dex_file, it.GetMemberIndex(), 249 it.GetMethodCodeItem(), it.GetMethodAccessFlags(), callback); 250 class_method_idx++; 251 it.Next(); 252 } 253 while (it.HasNextVirtualMethod()) { 254 const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_idx); 255 WalkOatMethod(class_def, class_method_idx, oat_method, dex_file, it.GetMemberIndex(), 256 it.GetMethodCodeItem(), it.GetMethodAccessFlags(), callback); 257 class_method_idx++; 258 it.Next(); 259 } 260 DCHECK(!it.HasNext()); 261 } 262 263 void WalkOatMethod(const DexFile::ClassDef& class_def, uint32_t class_method_index, 264 const OatFile::OatMethod& oat_method, const DexFile& dex_file, 265 uint32_t dex_method_idx, const DexFile::CodeItem* code_item, 266 uint32_t method_access_flags, Callback callback) { 267 if ((method_access_flags & kAccAbstract) != 0) { 268 // Abstract method, no code. 269 return; 270 } 271 if (oat_method.GetCodeOffset() == 0) { 272 // No code. 273 return; 274 } 275 276 (this->*callback)(class_def, class_method_index, oat_method, dex_file, dex_method_idx, code_item, 277 method_access_flags); 278 } 279 280 void RegisterForDedup(const DexFile::ClassDef& class_def ATTRIBUTE_UNUSED, 281 uint32_t class_method_index ATTRIBUTE_UNUSED, 282 const OatFile::OatMethod& oat_method, 283 const DexFile& dex_file ATTRIBUTE_UNUSED, 284 uint32_t dex_method_idx ATTRIBUTE_UNUSED, 285 const DexFile::CodeItem* code_item ATTRIBUTE_UNUSED, 286 uint32_t method_access_flags ATTRIBUTE_UNUSED) { 287 state_[oat_method.GetCodeOffset()]++; 288 } 289 290 void NormalizeState() { 291 for (auto& x : state_) { 292 if (x.second == 1) { 293 state_[x.first] = 0; 294 } 295 } 296 } 297 298 enum class DedupState { // private 299 kNotDeduplicated, 300 kDeduplicatedFirst, 301 kDeduplicatedOther 302 }; 303 DedupState IsDuplicated(uint32_t offset) { 304 if (state_[offset] == 0) { 305 return DedupState::kNotDeduplicated; 306 } 307 if (state_[offset] == 1) { 308 return DedupState::kDeduplicatedOther; 309 } 310 state_[offset] = 1; 311 return DedupState::kDeduplicatedFirst; 312 } 313 314 void AddSymbol(const DexFile::ClassDef& class_def ATTRIBUTE_UNUSED, 315 uint32_t class_method_index ATTRIBUTE_UNUSED, 316 const OatFile::OatMethod& oat_method, 317 const DexFile& dex_file, 318 uint32_t dex_method_idx, 319 const DexFile::CodeItem* code_item ATTRIBUTE_UNUSED, 320 uint32_t method_access_flags ATTRIBUTE_UNUSED) { 321 DedupState dedup = IsDuplicated(oat_method.GetCodeOffset()); 322 if (dedup != DedupState::kDeduplicatedOther) { 323 std::string pretty_name = PrettyMethod(dex_method_idx, dex_file, true); 324 325 if (dedup == DedupState::kDeduplicatedFirst) { 326 pretty_name = "[Dedup]" + pretty_name; 327 } 328 329 int name_offset = builder_->GetStrTab()->Write(pretty_name); 330 builder_->GetSymTab()->Add(name_offset, builder_->GetText(), 331 oat_method.GetCodeOffset() - oat_file_->GetOatHeader().GetExecutableOffset(), 332 true, oat_method.GetQuickCodeSize(), STB_GLOBAL, STT_FUNC); 333 } 334 } 335 336 private: 337 static void SkipAllFields(ClassDataItemIterator* it) { 338 while (it->HasNextStaticField()) { 339 it->Next(); 340 } 341 while (it->HasNextInstanceField()) { 342 it->Next(); 343 } 344 } 345 346 const OatFile* oat_file_; 347 std::unique_ptr<ElfBuilder<ElfTypes32> > builder_; 348 std::unordered_map<uint32_t, uint32_t> state_; 349 const std::string output_name_; 350}; 351 352class OatDumperOptions { 353 public: 354 OatDumperOptions(bool dump_raw_mapping_table, 355 bool dump_raw_gc_map, 356 bool dump_vmap, 357 bool dump_code_info_stack_maps, 358 bool disassemble_code, 359 bool absolute_addresses, 360 const char* class_filter, 361 const char* method_filter, 362 bool list_classes, 363 bool list_methods, 364 bool dump_header_only, 365 const char* export_dex_location, 366 uint32_t addr2instr) 367 : dump_raw_mapping_table_(dump_raw_mapping_table), 368 dump_raw_gc_map_(dump_raw_gc_map), 369 dump_vmap_(dump_vmap), 370 dump_code_info_stack_maps_(dump_code_info_stack_maps), 371 disassemble_code_(disassemble_code), 372 absolute_addresses_(absolute_addresses), 373 class_filter_(class_filter), 374 method_filter_(method_filter), 375 list_classes_(list_classes), 376 list_methods_(list_methods), 377 dump_header_only_(dump_header_only), 378 export_dex_location_(export_dex_location), 379 addr2instr_(addr2instr), 380 class_loader_(nullptr) {} 381 382 const bool dump_raw_mapping_table_; 383 const bool dump_raw_gc_map_; 384 const bool dump_vmap_; 385 const bool dump_code_info_stack_maps_; 386 const bool disassemble_code_; 387 const bool absolute_addresses_; 388 const char* const class_filter_; 389 const char* const method_filter_; 390 const bool list_classes_; 391 const bool list_methods_; 392 const bool dump_header_only_; 393 const char* const export_dex_location_; 394 uint32_t addr2instr_; 395 Handle<mirror::ClassLoader>* class_loader_; 396}; 397 398class OatDumper { 399 public: 400 OatDumper(const OatFile& oat_file, const OatDumperOptions& options) 401 : oat_file_(oat_file), 402 oat_dex_files_(oat_file.GetOatDexFiles()), 403 options_(options), 404 resolved_addr2instr_(0), 405 instruction_set_(oat_file_.GetOatHeader().GetInstructionSet()), 406 disassembler_(Disassembler::Create(instruction_set_, 407 new DisassemblerOptions(options_.absolute_addresses_, 408 oat_file.Begin(), 409 true /* can_read_literals_ */))) { 410 CHECK(options_.class_loader_ != nullptr); 411 CHECK(options_.class_filter_ != nullptr); 412 CHECK(options_.method_filter_ != nullptr); 413 AddAllOffsets(); 414 } 415 416 ~OatDumper() { 417 delete disassembler_; 418 } 419 420 InstructionSet GetInstructionSet() { 421 return instruction_set_; 422 } 423 424 bool Dump(std::ostream& os) { 425 bool success = true; 426 const OatHeader& oat_header = oat_file_.GetOatHeader(); 427 428 os << "MAGIC:\n"; 429 os << oat_header.GetMagic() << "\n\n"; 430 431 os << "LOCATION:\n"; 432 os << oat_file_.GetLocation() << "\n\n"; 433 434 os << "CHECKSUM:\n"; 435 os << StringPrintf("0x%08x\n\n", oat_header.GetChecksum()); 436 437 os << "INSTRUCTION SET:\n"; 438 os << oat_header.GetInstructionSet() << "\n\n"; 439 440 { 441 std::unique_ptr<const InstructionSetFeatures> features( 442 InstructionSetFeatures::FromBitmap(oat_header.GetInstructionSet(), 443 oat_header.GetInstructionSetFeaturesBitmap())); 444 os << "INSTRUCTION SET FEATURES:\n"; 445 os << features->GetFeatureString() << "\n\n"; 446 } 447 448 os << "DEX FILE COUNT:\n"; 449 os << oat_header.GetDexFileCount() << "\n\n"; 450 451#define DUMP_OAT_HEADER_OFFSET(label, offset) \ 452 os << label " OFFSET:\n"; \ 453 os << StringPrintf("0x%08x", oat_header.offset()); \ 454 if (oat_header.offset() != 0 && options_.absolute_addresses_) { \ 455 os << StringPrintf(" (%p)", oat_file_.Begin() + oat_header.offset()); \ 456 } \ 457 os << StringPrintf("\n\n"); 458 459 DUMP_OAT_HEADER_OFFSET("EXECUTABLE", GetExecutableOffset); 460 DUMP_OAT_HEADER_OFFSET("INTERPRETER TO INTERPRETER BRIDGE", 461 GetInterpreterToInterpreterBridgeOffset); 462 DUMP_OAT_HEADER_OFFSET("INTERPRETER TO COMPILED CODE BRIDGE", 463 GetInterpreterToCompiledCodeBridgeOffset); 464 DUMP_OAT_HEADER_OFFSET("JNI DLSYM LOOKUP", 465 GetJniDlsymLookupOffset); 466 DUMP_OAT_HEADER_OFFSET("QUICK GENERIC JNI TRAMPOLINE", 467 GetQuickGenericJniTrampolineOffset); 468 DUMP_OAT_HEADER_OFFSET("QUICK IMT CONFLICT TRAMPOLINE", 469 GetQuickImtConflictTrampolineOffset); 470 DUMP_OAT_HEADER_OFFSET("QUICK RESOLUTION TRAMPOLINE", 471 GetQuickResolutionTrampolineOffset); 472 DUMP_OAT_HEADER_OFFSET("QUICK TO INTERPRETER BRIDGE", 473 GetQuickToInterpreterBridgeOffset); 474#undef DUMP_OAT_HEADER_OFFSET 475 476 os << "IMAGE PATCH DELTA:\n"; 477 os << StringPrintf("%d (0x%08x)\n\n", 478 oat_header.GetImagePatchDelta(), 479 oat_header.GetImagePatchDelta()); 480 481 os << "IMAGE FILE LOCATION OAT CHECKSUM:\n"; 482 os << StringPrintf("0x%08x\n\n", oat_header.GetImageFileLocationOatChecksum()); 483 484 os << "IMAGE FILE LOCATION OAT BEGIN:\n"; 485 os << StringPrintf("0x%08x\n\n", oat_header.GetImageFileLocationOatDataBegin()); 486 487 // Print the key-value store. 488 { 489 os << "KEY VALUE STORE:\n"; 490 size_t index = 0; 491 const char* key; 492 const char* value; 493 while (oat_header.GetStoreKeyValuePairByIndex(index, &key, &value)) { 494 os << key << " = " << value << "\n"; 495 index++; 496 } 497 os << "\n"; 498 } 499 500 if (options_.absolute_addresses_) { 501 os << "BEGIN:\n"; 502 os << reinterpret_cast<const void*>(oat_file_.Begin()) << "\n\n"; 503 504 os << "END:\n"; 505 os << reinterpret_cast<const void*>(oat_file_.End()) << "\n\n"; 506 } 507 508 os << "SIZE:\n"; 509 os << oat_file_.Size() << "\n\n"; 510 511 os << std::flush; 512 513 // If set, adjust relative address to be searched 514 if (options_.addr2instr_ != 0) { 515 resolved_addr2instr_ = options_.addr2instr_ + oat_header.GetExecutableOffset(); 516 os << "SEARCH ADDRESS (executable offset + input):\n"; 517 os << StringPrintf("0x%08x\n\n", resolved_addr2instr_); 518 } 519 520 if (!options_.dump_header_only_) { 521 for (size_t i = 0; i < oat_dex_files_.size(); i++) { 522 const OatFile::OatDexFile* oat_dex_file = oat_dex_files_[i]; 523 CHECK(oat_dex_file != nullptr); 524 525 // If file export selected skip file analysis 526 if (options_.export_dex_location_) { 527 if (!ExportDexFile(os, *oat_dex_file)) { 528 success = false; 529 } 530 } else { 531 if (!DumpOatDexFile(os, *oat_dex_file)) { 532 success = false; 533 } 534 } 535 } 536 } 537 538 os << std::flush; 539 return success; 540 } 541 542 size_t ComputeSize(const void* oat_data) { 543 if (reinterpret_cast<const uint8_t*>(oat_data) < oat_file_.Begin() || 544 reinterpret_cast<const uint8_t*>(oat_data) > oat_file_.End()) { 545 return 0; // Address not in oat file 546 } 547 uintptr_t begin_offset = reinterpret_cast<uintptr_t>(oat_data) - 548 reinterpret_cast<uintptr_t>(oat_file_.Begin()); 549 auto it = offsets_.upper_bound(begin_offset); 550 CHECK(it != offsets_.end()); 551 uintptr_t end_offset = *it; 552 return end_offset - begin_offset; 553 } 554 555 InstructionSet GetOatInstructionSet() { 556 return oat_file_.GetOatHeader().GetInstructionSet(); 557 } 558 559 const void* GetQuickOatCode(ArtMethod* m) SHARED_REQUIRES(Locks::mutator_lock_) { 560 for (size_t i = 0; i < oat_dex_files_.size(); i++) { 561 const OatFile::OatDexFile* oat_dex_file = oat_dex_files_[i]; 562 CHECK(oat_dex_file != nullptr); 563 std::string error_msg; 564 const DexFile* const dex_file = OpenDexFile(oat_dex_file, &error_msg); 565 if (dex_file == nullptr) { 566 LOG(WARNING) << "Failed to open dex file '" << oat_dex_file->GetDexFileLocation() 567 << "': " << error_msg; 568 } else { 569 const char* descriptor = m->GetDeclaringClassDescriptor(); 570 const DexFile::ClassDef* class_def = 571 dex_file->FindClassDef(descriptor, ComputeModifiedUtf8Hash(descriptor)); 572 if (class_def != nullptr) { 573 uint16_t class_def_index = dex_file->GetIndexForClassDef(*class_def); 574 const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(class_def_index); 575 size_t method_index = m->GetMethodIndex(); 576 return oat_class.GetOatMethod(method_index).GetQuickCode(); 577 } 578 } 579 } 580 return nullptr; 581 } 582 583 private: 584 void AddAllOffsets() { 585 // We don't know the length of the code for each method, but we need to know where to stop 586 // when disassembling. What we do know is that a region of code will be followed by some other 587 // region, so if we keep a sorted sequence of the start of each region, we can infer the length 588 // of a piece of code by using upper_bound to find the start of the next region. 589 for (size_t i = 0; i < oat_dex_files_.size(); i++) { 590 const OatFile::OatDexFile* oat_dex_file = oat_dex_files_[i]; 591 CHECK(oat_dex_file != nullptr); 592 std::string error_msg; 593 const DexFile* const dex_file = OpenDexFile(oat_dex_file, &error_msg); 594 if (dex_file == nullptr) { 595 LOG(WARNING) << "Failed to open dex file '" << oat_dex_file->GetDexFileLocation() 596 << "': " << error_msg; 597 continue; 598 } 599 offsets_.insert(reinterpret_cast<uintptr_t>(&dex_file->GetHeader())); 600 for (size_t class_def_index = 0; 601 class_def_index < dex_file->NumClassDefs(); 602 class_def_index++) { 603 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); 604 const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(class_def_index); 605 const uint8_t* class_data = dex_file->GetClassData(class_def); 606 if (class_data != nullptr) { 607 ClassDataItemIterator it(*dex_file, class_data); 608 SkipAllFields(it); 609 uint32_t class_method_index = 0; 610 while (it.HasNextDirectMethod()) { 611 AddOffsets(oat_class.GetOatMethod(class_method_index++)); 612 it.Next(); 613 } 614 while (it.HasNextVirtualMethod()) { 615 AddOffsets(oat_class.GetOatMethod(class_method_index++)); 616 it.Next(); 617 } 618 } 619 } 620 } 621 622 // If the last thing in the file is code for a method, there won't be an offset for the "next" 623 // thing. Instead of having a special case in the upper_bound code, let's just add an entry 624 // for the end of the file. 625 offsets_.insert(oat_file_.Size()); 626 } 627 628 static uint32_t AlignCodeOffset(uint32_t maybe_thumb_offset) { 629 return maybe_thumb_offset & ~0x1; // TODO: Make this Thumb2 specific. 630 } 631 632 void AddOffsets(const OatFile::OatMethod& oat_method) { 633 uint32_t code_offset = oat_method.GetCodeOffset(); 634 if (oat_file_.GetOatHeader().GetInstructionSet() == kThumb2) { 635 code_offset &= ~0x1; 636 } 637 offsets_.insert(code_offset); 638 offsets_.insert(oat_method.GetMappingTableOffset()); 639 offsets_.insert(oat_method.GetVmapTableOffset()); 640 offsets_.insert(oat_method.GetGcMapOffset()); 641 } 642 643 bool DumpOatDexFile(std::ostream& os, const OatFile::OatDexFile& oat_dex_file) { 644 bool success = true; 645 bool stop_analysis = false; 646 os << "OatDexFile:\n"; 647 os << StringPrintf("location: %s\n", oat_dex_file.GetDexFileLocation().c_str()); 648 os << StringPrintf("checksum: 0x%08x\n", oat_dex_file.GetDexFileLocationChecksum()); 649 650 // Create the verifier early. 651 652 std::string error_msg; 653 const DexFile* const dex_file = OpenDexFile(&oat_dex_file, &error_msg); 654 if (dex_file == nullptr) { 655 os << "NOT FOUND: " << error_msg << "\n\n"; 656 os << std::flush; 657 return false; 658 } 659 660 VariableIndentationOutputStream vios(&os); 661 ScopedIndentation indent1(&vios); 662 for (size_t class_def_index = 0; 663 class_def_index < dex_file->NumClassDefs(); 664 class_def_index++) { 665 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); 666 const char* descriptor = dex_file->GetClassDescriptor(class_def); 667 668 // TODO: Support regex 669 if (DescriptorToDot(descriptor).find(options_.class_filter_) == std::string::npos) { 670 continue; 671 } 672 673 uint32_t oat_class_offset = oat_dex_file.GetOatClassOffset(class_def_index); 674 const OatFile::OatClass oat_class = oat_dex_file.GetOatClass(class_def_index); 675 os << StringPrintf("%zd: %s (offset=0x%08x) (type_idx=%d)", 676 class_def_index, descriptor, oat_class_offset, class_def.class_idx_) 677 << " (" << oat_class.GetStatus() << ")" 678 << " (" << oat_class.GetType() << ")\n"; 679 // TODO: include bitmap here if type is kOatClassSomeCompiled? 680 if (options_.list_classes_) continue; 681 if (!DumpOatClass(&vios, oat_class, *dex_file, class_def, &stop_analysis)) { 682 success = false; 683 } 684 if (stop_analysis) { 685 os << std::flush; 686 return success; 687 } 688 } 689 690 os << std::flush; 691 return success; 692 } 693 694 bool ExportDexFile(std::ostream& os, const OatFile::OatDexFile& oat_dex_file) { 695 std::string error_msg; 696 std::string dex_file_location = oat_dex_file.GetDexFileLocation(); 697 698 const DexFile* const dex_file = OpenDexFile(&oat_dex_file, &error_msg); 699 if (dex_file == nullptr) { 700 os << "Failed to open dex file '" << dex_file_location << "': " << error_msg; 701 return false; 702 } 703 size_t fsize = oat_dex_file.FileSize(); 704 705 // Some quick checks just in case 706 if (fsize == 0 || fsize < sizeof(DexFile::Header)) { 707 os << "Invalid dex file\n"; 708 return false; 709 } 710 711 // Verify output directory exists 712 if (!OS::DirectoryExists(options_.export_dex_location_)) { 713 // TODO: Extend OS::DirectoryExists if symlink support is required 714 os << options_.export_dex_location_ << " output directory not found or symlink\n"; 715 return false; 716 } 717 718 // Beautify path names 719 if (dex_file_location.size() > PATH_MAX || dex_file_location.size() <= 0) { 720 return false; 721 } 722 723 std::string dex_orig_name; 724 size_t dex_orig_pos = dex_file_location.rfind('/'); 725 if (dex_orig_pos == std::string::npos) 726 dex_orig_name = dex_file_location; 727 else 728 dex_orig_name = dex_file_location.substr(dex_orig_pos + 1); 729 730 // A more elegant approach to efficiently name user installed apps is welcome 731 if (dex_orig_name.size() == 8 && !dex_orig_name.compare("base.apk")) { 732 dex_file_location.erase(dex_orig_pos, strlen("base.apk") + 1); 733 size_t apk_orig_pos = dex_file_location.rfind('/'); 734 if (apk_orig_pos != std::string::npos) { 735 dex_orig_name = dex_file_location.substr(++apk_orig_pos); 736 } 737 } 738 739 std::string out_dex_path(options_.export_dex_location_); 740 if (out_dex_path.back() != '/') { 741 out_dex_path.append("/"); 742 } 743 out_dex_path.append(dex_orig_name); 744 out_dex_path.append("_export.dex"); 745 if (out_dex_path.length() > PATH_MAX) { 746 return false; 747 } 748 749 std::unique_ptr<File> file(OS::CreateEmptyFile(out_dex_path.c_str())); 750 if (file.get() == nullptr) { 751 os << "Failed to open output dex file " << out_dex_path; 752 return false; 753 } 754 755 if (!file->WriteFully(dex_file->Begin(), fsize)) { 756 os << "Failed to write dex file"; 757 file->Erase(); 758 return false; 759 } 760 761 if (file->FlushCloseOrErase() != 0) { 762 os << "Flush and close failed"; 763 return false; 764 } 765 766 os << StringPrintf("Dex file exported at %s (%zd bytes)\n", out_dex_path.c_str(), fsize); 767 os << std::flush; 768 769 return true; 770 } 771 772 static void SkipAllFields(ClassDataItemIterator& it) { 773 while (it.HasNextStaticField()) { 774 it.Next(); 775 } 776 while (it.HasNextInstanceField()) { 777 it.Next(); 778 } 779 } 780 781 bool DumpOatClass(VariableIndentationOutputStream* vios, 782 const OatFile::OatClass& oat_class, const DexFile& dex_file, 783 const DexFile::ClassDef& class_def, bool* stop_analysis) { 784 bool success = true; 785 bool addr_found = false; 786 const uint8_t* class_data = dex_file.GetClassData(class_def); 787 if (class_data == nullptr) { // empty class such as a marker interface? 788 vios->Stream() << std::flush; 789 return success; 790 } 791 ClassDataItemIterator it(dex_file, class_data); 792 SkipAllFields(it); 793 uint32_t class_method_index = 0; 794 while (it.HasNextDirectMethod()) { 795 if (!DumpOatMethod(vios, class_def, class_method_index, oat_class, dex_file, 796 it.GetMemberIndex(), it.GetMethodCodeItem(), 797 it.GetRawMemberAccessFlags(), &addr_found)) { 798 success = false; 799 } 800 if (addr_found) { 801 *stop_analysis = true; 802 return success; 803 } 804 class_method_index++; 805 it.Next(); 806 } 807 while (it.HasNextVirtualMethod()) { 808 if (!DumpOatMethod(vios, class_def, class_method_index, oat_class, dex_file, 809 it.GetMemberIndex(), it.GetMethodCodeItem(), 810 it.GetRawMemberAccessFlags(), &addr_found)) { 811 success = false; 812 } 813 if (addr_found) { 814 *stop_analysis = true; 815 return success; 816 } 817 class_method_index++; 818 it.Next(); 819 } 820 DCHECK(!it.HasNext()); 821 vios->Stream() << std::flush; 822 return success; 823 } 824 825 static constexpr uint32_t kPrologueBytes = 16; 826 827 // When this was picked, the largest arm method was 55,256 bytes and arm64 was 50,412 bytes. 828 static constexpr uint32_t kMaxCodeSize = 100 * 1000; 829 830 bool DumpOatMethod(VariableIndentationOutputStream* vios, 831 const DexFile::ClassDef& class_def, 832 uint32_t class_method_index, 833 const OatFile::OatClass& oat_class, const DexFile& dex_file, 834 uint32_t dex_method_idx, const DexFile::CodeItem* code_item, 835 uint32_t method_access_flags, bool* addr_found) { 836 bool success = true; 837 838 // TODO: Support regex 839 std::string method_name = dex_file.GetMethodName(dex_file.GetMethodId(dex_method_idx)); 840 if (method_name.find(options_.method_filter_) == std::string::npos) { 841 return success; 842 } 843 844 std::string pretty_method = PrettyMethod(dex_method_idx, dex_file, true); 845 vios->Stream() << StringPrintf("%d: %s (dex_method_idx=%d)\n", 846 class_method_index, pretty_method.c_str(), 847 dex_method_idx); 848 if (options_.list_methods_) return success; 849 850 uint32_t oat_method_offsets_offset = oat_class.GetOatMethodOffsetsOffset(class_method_index); 851 const OatMethodOffsets* oat_method_offsets = oat_class.GetOatMethodOffsets(class_method_index); 852 const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_index); 853 uint32_t code_offset = oat_method.GetCodeOffset(); 854 uint32_t code_size = oat_method.GetQuickCodeSize(); 855 if (resolved_addr2instr_ != 0) { 856 if (resolved_addr2instr_ > code_offset + code_size) { 857 return success; 858 } else { 859 *addr_found = true; // stop analyzing file at next iteration 860 } 861 } 862 863 // Everything below is indented at least once. 864 ScopedIndentation indent1(vios); 865 866 { 867 vios->Stream() << "DEX CODE:\n"; 868 ScopedIndentation indent2(vios); 869 DumpDexCode(vios->Stream(), dex_file, code_item); 870 } 871 872 std::unique_ptr<StackHandleScope<1>> hs; 873 std::unique_ptr<verifier::MethodVerifier> verifier; 874 if (Runtime::Current() != nullptr) { 875 // We need to have the handle scope stay live until after the verifier since the verifier has 876 // a handle to the dex cache from hs. 877 hs.reset(new StackHandleScope<1>(Thread::Current())); 878 vios->Stream() << "VERIFIER TYPE ANALYSIS:\n"; 879 ScopedIndentation indent2(vios); 880 verifier.reset(DumpVerifier(vios, hs.get(), 881 dex_method_idx, &dex_file, class_def, code_item, 882 method_access_flags)); 883 } 884 { 885 vios->Stream() << "OatMethodOffsets "; 886 if (options_.absolute_addresses_) { 887 vios->Stream() << StringPrintf("%p ", oat_method_offsets); 888 } 889 vios->Stream() << StringPrintf("(offset=0x%08x)\n", oat_method_offsets_offset); 890 if (oat_method_offsets_offset > oat_file_.Size()) { 891 vios->Stream() << StringPrintf( 892 "WARNING: oat method offsets offset 0x%08x is past end of file 0x%08zx.\n", 893 oat_method_offsets_offset, oat_file_.Size()); 894 // If we can't read OatMethodOffsets, the rest of the data is dangerous to read. 895 vios->Stream() << std::flush; 896 return false; 897 } 898 899 ScopedIndentation indent2(vios); 900 vios->Stream() << StringPrintf("code_offset: 0x%08x ", code_offset); 901 uint32_t aligned_code_begin = AlignCodeOffset(oat_method.GetCodeOffset()); 902 if (aligned_code_begin > oat_file_.Size()) { 903 vios->Stream() << StringPrintf("WARNING: " 904 "code offset 0x%08x is past end of file 0x%08zx.\n", 905 aligned_code_begin, oat_file_.Size()); 906 success = false; 907 } 908 vios->Stream() << "\n"; 909 910 vios->Stream() << "gc_map: "; 911 if (options_.absolute_addresses_) { 912 vios->Stream() << StringPrintf("%p ", oat_method.GetGcMap()); 913 } 914 uint32_t gc_map_offset = oat_method.GetGcMapOffset(); 915 vios->Stream() << StringPrintf("(offset=0x%08x)\n", gc_map_offset); 916 if (gc_map_offset > oat_file_.Size()) { 917 vios->Stream() << StringPrintf("WARNING: " 918 "gc map table offset 0x%08x is past end of file 0x%08zx.\n", 919 gc_map_offset, oat_file_.Size()); 920 success = false; 921 } else if (options_.dump_raw_gc_map_) { 922 ScopedIndentation indent3(vios); 923 DumpGcMap(vios->Stream(), oat_method, code_item); 924 } 925 } 926 { 927 vios->Stream() << "OatQuickMethodHeader "; 928 uint32_t method_header_offset = oat_method.GetOatQuickMethodHeaderOffset(); 929 const OatQuickMethodHeader* method_header = oat_method.GetOatQuickMethodHeader(); 930 931 if (options_.absolute_addresses_) { 932 vios->Stream() << StringPrintf("%p ", method_header); 933 } 934 vios->Stream() << StringPrintf("(offset=0x%08x)\n", method_header_offset); 935 if (method_header_offset > oat_file_.Size()) { 936 vios->Stream() << StringPrintf( 937 "WARNING: oat quick method header offset 0x%08x is past end of file 0x%08zx.\n", 938 method_header_offset, oat_file_.Size()); 939 // If we can't read the OatQuickMethodHeader, the rest of the data is dangerous to read. 940 vios->Stream() << std::flush; 941 return false; 942 } 943 944 ScopedIndentation indent2(vios); 945 vios->Stream() << "mapping_table: "; 946 if (options_.absolute_addresses_) { 947 vios->Stream() << StringPrintf("%p ", oat_method.GetMappingTable()); 948 } 949 uint32_t mapping_table_offset = oat_method.GetMappingTableOffset(); 950 vios->Stream() << StringPrintf("(offset=0x%08x)\n", oat_method.GetMappingTableOffset()); 951 if (mapping_table_offset > oat_file_.Size()) { 952 vios->Stream() << StringPrintf("WARNING: " 953 "mapping table offset 0x%08x is past end of file 0x%08zx. " 954 "mapping table offset was loaded from offset 0x%08x.\n", 955 mapping_table_offset, oat_file_.Size(), 956 oat_method.GetMappingTableOffsetOffset()); 957 success = false; 958 } else if (options_.dump_raw_mapping_table_) { 959 ScopedIndentation indent3(vios); 960 DumpMappingTable(vios, oat_method); 961 } 962 963 vios->Stream() << "vmap_table: "; 964 if (options_.absolute_addresses_) { 965 vios->Stream() << StringPrintf("%p ", oat_method.GetVmapTable()); 966 } 967 uint32_t vmap_table_offset = oat_method.GetVmapTableOffset(); 968 vios->Stream() << StringPrintf("(offset=0x%08x)\n", vmap_table_offset); 969 if (vmap_table_offset > oat_file_.Size()) { 970 vios->Stream() << StringPrintf("WARNING: " 971 "vmap table offset 0x%08x is past end of file 0x%08zx. " 972 "vmap table offset was loaded from offset 0x%08x.\n", 973 vmap_table_offset, oat_file_.Size(), 974 oat_method.GetVmapTableOffsetOffset()); 975 success = false; 976 } else if (options_.dump_vmap_) { 977 DumpVmapData(vios, oat_method, code_item); 978 } 979 } 980 { 981 vios->Stream() << "QuickMethodFrameInfo\n"; 982 983 ScopedIndentation indent2(vios); 984 vios->Stream() 985 << StringPrintf("frame_size_in_bytes: %zd\n", oat_method.GetFrameSizeInBytes()); 986 vios->Stream() << StringPrintf("core_spill_mask: 0x%08x ", oat_method.GetCoreSpillMask()); 987 DumpSpillMask(vios->Stream(), oat_method.GetCoreSpillMask(), false); 988 vios->Stream() << "\n"; 989 vios->Stream() << StringPrintf("fp_spill_mask: 0x%08x ", oat_method.GetFpSpillMask()); 990 DumpSpillMask(vios->Stream(), oat_method.GetFpSpillMask(), true); 991 vios->Stream() << "\n"; 992 } 993 { 994 // Based on spill masks from QuickMethodFrameInfo so placed 995 // after it is dumped, but useful for understanding quick 996 // code, so dumped here. 997 ScopedIndentation indent2(vios); 998 DumpVregLocations(vios->Stream(), oat_method, code_item); 999 } 1000 { 1001 vios->Stream() << "CODE: "; 1002 uint32_t code_size_offset = oat_method.GetQuickCodeSizeOffset(); 1003 if (code_size_offset > oat_file_.Size()) { 1004 ScopedIndentation indent2(vios); 1005 vios->Stream() << StringPrintf("WARNING: " 1006 "code size offset 0x%08x is past end of file 0x%08zx.", 1007 code_size_offset, oat_file_.Size()); 1008 success = false; 1009 } else { 1010 const void* code = oat_method.GetQuickCode(); 1011 uint32_t aligned_code_begin = AlignCodeOffset(code_offset); 1012 uint64_t aligned_code_end = aligned_code_begin + code_size; 1013 1014 if (options_.absolute_addresses_) { 1015 vios->Stream() << StringPrintf("%p ", code); 1016 } 1017 vios->Stream() << StringPrintf("(code_offset=0x%08x size_offset=0x%08x size=%u)%s\n", 1018 code_offset, 1019 code_size_offset, 1020 code_size, 1021 code != nullptr ? "..." : ""); 1022 1023 ScopedIndentation indent2(vios); 1024 if (aligned_code_begin > oat_file_.Size()) { 1025 vios->Stream() << StringPrintf("WARNING: " 1026 "start of code at 0x%08x is past end of file 0x%08zx.", 1027 aligned_code_begin, oat_file_.Size()); 1028 success = false; 1029 } else if (aligned_code_end > oat_file_.Size()) { 1030 vios->Stream() << StringPrintf( 1031 "WARNING: " 1032 "end of code at 0x%08" PRIx64 " is past end of file 0x%08zx. " 1033 "code size is 0x%08x loaded from offset 0x%08x.\n", 1034 aligned_code_end, oat_file_.Size(), 1035 code_size, code_size_offset); 1036 success = false; 1037 if (options_.disassemble_code_) { 1038 if (code_size_offset + kPrologueBytes <= oat_file_.Size()) { 1039 DumpCode(vios, verifier.get(), oat_method, code_item, true, kPrologueBytes); 1040 } 1041 } 1042 } else if (code_size > kMaxCodeSize) { 1043 vios->Stream() << StringPrintf( 1044 "WARNING: " 1045 "code size %d is bigger than max expected threshold of %d. " 1046 "code size is 0x%08x loaded from offset 0x%08x.\n", 1047 code_size, kMaxCodeSize, 1048 code_size, code_size_offset); 1049 success = false; 1050 if (options_.disassemble_code_) { 1051 if (code_size_offset + kPrologueBytes <= oat_file_.Size()) { 1052 DumpCode(vios, verifier.get(), oat_method, code_item, true, kPrologueBytes); 1053 } 1054 } 1055 } else if (options_.disassemble_code_) { 1056 DumpCode(vios, verifier.get(), oat_method, code_item, !success, 0); 1057 } 1058 } 1059 } 1060 vios->Stream() << std::flush; 1061 return success; 1062 } 1063 1064 void DumpSpillMask(std::ostream& os, uint32_t spill_mask, bool is_float) { 1065 if (spill_mask == 0) { 1066 return; 1067 } 1068 os << "("; 1069 for (size_t i = 0; i < 32; i++) { 1070 if ((spill_mask & (1 << i)) != 0) { 1071 if (is_float) { 1072 os << "fr" << i; 1073 } else { 1074 os << "r" << i; 1075 } 1076 spill_mask ^= 1 << i; // clear bit 1077 if (spill_mask != 0) { 1078 os << ", "; 1079 } else { 1080 break; 1081 } 1082 } 1083 } 1084 os << ")"; 1085 } 1086 1087 // Display data stored at the the vmap offset of an oat method. 1088 void DumpVmapData(VariableIndentationOutputStream* vios, 1089 const OatFile::OatMethod& oat_method, 1090 const DexFile::CodeItem* code_item) { 1091 if (IsMethodGeneratedByOptimizingCompiler(oat_method, code_item)) { 1092 // The optimizing compiler outputs its CodeInfo data in the vmap table. 1093 const void* raw_code_info = oat_method.GetVmapTable(); 1094 if (raw_code_info != nullptr) { 1095 CodeInfo code_info(raw_code_info); 1096 DCHECK(code_item != nullptr); 1097 ScopedIndentation indent1(vios); 1098 DumpCodeInfo(vios, code_info, oat_method, *code_item); 1099 } 1100 } else if (IsMethodGeneratedByDexToDexCompiler(oat_method, code_item)) { 1101 // We don't encode the size in the table, so just emit that we have quickened 1102 // information. 1103 ScopedIndentation indent(vios); 1104 vios->Stream() << "quickened data\n"; 1105 } else { 1106 // Otherwise, display the vmap table. 1107 const uint8_t* raw_table = oat_method.GetVmapTable(); 1108 if (raw_table != nullptr) { 1109 VmapTable vmap_table(raw_table); 1110 DumpVmapTable(vios->Stream(), oat_method, vmap_table); 1111 } 1112 } 1113 } 1114 1115 // Display a CodeInfo object emitted by the optimizing compiler. 1116 void DumpCodeInfo(VariableIndentationOutputStream* vios, 1117 const CodeInfo& code_info, 1118 const OatFile::OatMethod& oat_method, 1119 const DexFile::CodeItem& code_item) { 1120 code_info.Dump(vios, 1121 oat_method.GetCodeOffset(), 1122 code_item.registers_size_, 1123 options_.dump_code_info_stack_maps_); 1124 } 1125 1126 // Display a vmap table. 1127 void DumpVmapTable(std::ostream& os, 1128 const OatFile::OatMethod& oat_method, 1129 const VmapTable& vmap_table) { 1130 bool first = true; 1131 bool processing_fp = false; 1132 uint32_t spill_mask = oat_method.GetCoreSpillMask(); 1133 for (size_t i = 0; i < vmap_table.Size(); i++) { 1134 uint16_t dex_reg = vmap_table[i]; 1135 uint32_t cpu_reg = vmap_table.ComputeRegister(spill_mask, i, 1136 processing_fp ? kFloatVReg : kIntVReg); 1137 os << (first ? "v" : ", v") << dex_reg; 1138 if (!processing_fp) { 1139 os << "/r" << cpu_reg; 1140 } else { 1141 os << "/fr" << cpu_reg; 1142 } 1143 first = false; 1144 if (!processing_fp && dex_reg == 0xFFFF) { 1145 processing_fp = true; 1146 spill_mask = oat_method.GetFpSpillMask(); 1147 } 1148 } 1149 os << "\n"; 1150 } 1151 1152 void DumpVregLocations(std::ostream& os, const OatFile::OatMethod& oat_method, 1153 const DexFile::CodeItem* code_item) { 1154 if (code_item != nullptr) { 1155 size_t num_locals_ins = code_item->registers_size_; 1156 size_t num_ins = code_item->ins_size_; 1157 size_t num_locals = num_locals_ins - num_ins; 1158 size_t num_outs = code_item->outs_size_; 1159 1160 os << "vr_stack_locations:"; 1161 for (size_t reg = 0; reg <= num_locals_ins; reg++) { 1162 // For readability, delimit the different kinds of VRs. 1163 if (reg == num_locals_ins) { 1164 os << "\n\tmethod*:"; 1165 } else if (reg == num_locals && num_ins > 0) { 1166 os << "\n\tins:"; 1167 } else if (reg == 0 && num_locals > 0) { 1168 os << "\n\tlocals:"; 1169 } 1170 1171 uint32_t offset = StackVisitor::GetVRegOffsetFromQuickCode( 1172 code_item, 1173 oat_method.GetCoreSpillMask(), 1174 oat_method.GetFpSpillMask(), 1175 oat_method.GetFrameSizeInBytes(), 1176 reg, 1177 GetInstructionSet()); 1178 os << " v" << reg << "[sp + #" << offset << "]"; 1179 } 1180 1181 for (size_t out_reg = 0; out_reg < num_outs; out_reg++) { 1182 if (out_reg == 0) { 1183 os << "\n\touts:"; 1184 } 1185 1186 uint32_t offset = StackVisitor::GetOutVROffset(out_reg, GetInstructionSet()); 1187 os << " v" << out_reg << "[sp + #" << offset << "]"; 1188 } 1189 1190 os << "\n"; 1191 } 1192 } 1193 1194 void DescribeVReg(std::ostream& os, const OatFile::OatMethod& oat_method, 1195 const DexFile::CodeItem* code_item, size_t reg, VRegKind kind) { 1196 const uint8_t* raw_table = oat_method.GetVmapTable(); 1197 if (raw_table != nullptr) { 1198 const VmapTable vmap_table(raw_table); 1199 uint32_t vmap_offset; 1200 if (vmap_table.IsInContext(reg, kind, &vmap_offset)) { 1201 bool is_float = (kind == kFloatVReg) || (kind == kDoubleLoVReg) || (kind == kDoubleHiVReg); 1202 uint32_t spill_mask = is_float ? oat_method.GetFpSpillMask() 1203 : oat_method.GetCoreSpillMask(); 1204 os << (is_float ? "fr" : "r") << vmap_table.ComputeRegister(spill_mask, vmap_offset, kind); 1205 } else { 1206 uint32_t offset = StackVisitor::GetVRegOffsetFromQuickCode( 1207 code_item, 1208 oat_method.GetCoreSpillMask(), 1209 oat_method.GetFpSpillMask(), 1210 oat_method.GetFrameSizeInBytes(), 1211 reg, 1212 GetInstructionSet()); 1213 os << "[sp + #" << offset << "]"; 1214 } 1215 } 1216 } 1217 1218 void DumpGcMapRegisters(std::ostream& os, const OatFile::OatMethod& oat_method, 1219 const DexFile::CodeItem* code_item, 1220 size_t num_regs, const uint8_t* reg_bitmap) { 1221 bool first = true; 1222 for (size_t reg = 0; reg < num_regs; reg++) { 1223 if (((reg_bitmap[reg / 8] >> (reg % 8)) & 0x01) != 0) { 1224 if (first) { 1225 os << " v" << reg << " ("; 1226 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 1227 os << ")"; 1228 first = false; 1229 } else { 1230 os << ", v" << reg << " ("; 1231 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 1232 os << ")"; 1233 } 1234 } 1235 } 1236 if (first) { 1237 os << "No registers in GC map\n"; 1238 } else { 1239 os << "\n"; 1240 } 1241 } 1242 void DumpGcMap(std::ostream& os, const OatFile::OatMethod& oat_method, 1243 const DexFile::CodeItem* code_item) { 1244 const uint8_t* gc_map_raw = oat_method.GetGcMap(); 1245 if (gc_map_raw == nullptr) { 1246 return; // No GC map. 1247 } 1248 const void* quick_code = oat_method.GetQuickCode(); 1249 NativePcOffsetToReferenceMap map(gc_map_raw); 1250 for (size_t entry = 0; entry < map.NumEntries(); entry++) { 1251 const uint8_t* native_pc = reinterpret_cast<const uint8_t*>(quick_code) + 1252 map.GetNativePcOffset(entry); 1253 os << StringPrintf("%p", native_pc); 1254 DumpGcMapRegisters(os, oat_method, code_item, map.RegWidth() * 8, map.GetBitMap(entry)); 1255 } 1256 } 1257 1258 void DumpMappingTable(VariableIndentationOutputStream* vios, 1259 const OatFile::OatMethod& oat_method) { 1260 const void* quick_code = oat_method.GetQuickCode(); 1261 if (quick_code == nullptr) { 1262 return; 1263 } 1264 MappingTable table(oat_method.GetMappingTable()); 1265 if (table.TotalSize() != 0) { 1266 if (table.PcToDexSize() != 0) { 1267 typedef MappingTable::PcToDexIterator It; 1268 vios->Stream() << "suspend point mappings {\n"; 1269 for (It cur = table.PcToDexBegin(), end = table.PcToDexEnd(); cur != end; ++cur) { 1270 ScopedIndentation indent1(vios); 1271 vios->Stream() << StringPrintf("0x%04x -> 0x%04x\n", cur.NativePcOffset(), cur.DexPc()); 1272 } 1273 vios->Stream() << "}\n"; 1274 } 1275 if (table.DexToPcSize() != 0) { 1276 typedef MappingTable::DexToPcIterator It; 1277 vios->Stream() << "catch entry mappings {\n"; 1278 for (It cur = table.DexToPcBegin(), end = table.DexToPcEnd(); cur != end; ++cur) { 1279 ScopedIndentation indent1(vios); 1280 vios->Stream() << StringPrintf("0x%04x -> 0x%04x\n", cur.NativePcOffset(), cur.DexPc()); 1281 } 1282 vios->Stream() << "}\n"; 1283 } 1284 } 1285 } 1286 1287 uint32_t DumpInformationAtOffset(VariableIndentationOutputStream* vios, 1288 const OatFile::OatMethod& oat_method, 1289 const DexFile::CodeItem* code_item, 1290 size_t offset, 1291 bool suspend_point_mapping) { 1292 if (IsMethodGeneratedByOptimizingCompiler(oat_method, code_item)) { 1293 if (suspend_point_mapping) { 1294 ScopedIndentation indent1(vios); 1295 DumpDexRegisterMapAtOffset(vios, oat_method, code_item, offset); 1296 } 1297 // The return value is not used in the case of a method compiled 1298 // with the optimizing compiler. 1299 return DexFile::kDexNoIndex; 1300 } else { 1301 return DumpMappingAtOffset(vios->Stream(), oat_method, offset, suspend_point_mapping); 1302 } 1303 } 1304 1305 uint32_t DumpMappingAtOffset(std::ostream& os, const OatFile::OatMethod& oat_method, 1306 size_t offset, bool suspend_point_mapping) { 1307 MappingTable table(oat_method.GetMappingTable()); 1308 if (suspend_point_mapping && table.PcToDexSize() > 0) { 1309 typedef MappingTable::PcToDexIterator It; 1310 for (It cur = table.PcToDexBegin(), end = table.PcToDexEnd(); cur != end; ++cur) { 1311 if (offset == cur.NativePcOffset()) { 1312 os << StringPrintf("suspend point dex PC: 0x%04x\n", cur.DexPc()); 1313 return cur.DexPc(); 1314 } 1315 } 1316 } else if (!suspend_point_mapping && table.DexToPcSize() > 0) { 1317 typedef MappingTable::DexToPcIterator It; 1318 for (It cur = table.DexToPcBegin(), end = table.DexToPcEnd(); cur != end; ++cur) { 1319 if (offset == cur.NativePcOffset()) { 1320 os << StringPrintf("catch entry dex PC: 0x%04x\n", cur.DexPc()); 1321 return cur.DexPc(); 1322 } 1323 } 1324 } 1325 return DexFile::kDexNoIndex; 1326 } 1327 1328 void DumpGcMapAtNativePcOffset(std::ostream& os, const OatFile::OatMethod& oat_method, 1329 const DexFile::CodeItem* code_item, size_t native_pc_offset) { 1330 const uint8_t* gc_map_raw = oat_method.GetGcMap(); 1331 if (gc_map_raw != nullptr) { 1332 NativePcOffsetToReferenceMap map(gc_map_raw); 1333 if (map.HasEntry(native_pc_offset)) { 1334 size_t num_regs = map.RegWidth() * 8; 1335 const uint8_t* reg_bitmap = map.FindBitMap(native_pc_offset); 1336 bool first = true; 1337 for (size_t reg = 0; reg < num_regs; reg++) { 1338 if (((reg_bitmap[reg / 8] >> (reg % 8)) & 0x01) != 0) { 1339 if (first) { 1340 os << "GC map objects: v" << reg << " ("; 1341 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 1342 os << ")"; 1343 first = false; 1344 } else { 1345 os << ", v" << reg << " ("; 1346 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 1347 os << ")"; 1348 } 1349 } 1350 } 1351 if (!first) { 1352 os << "\n"; 1353 } 1354 } 1355 } 1356 } 1357 1358 void DumpVRegsAtDexPc(std::ostream& os, verifier::MethodVerifier* verifier, 1359 const OatFile::OatMethod& oat_method, 1360 const DexFile::CodeItem* code_item, uint32_t dex_pc) { 1361 DCHECK(verifier != nullptr); 1362 std::vector<int32_t> kinds = verifier->DescribeVRegs(dex_pc); 1363 bool first = true; 1364 for (size_t reg = 0; reg < code_item->registers_size_; reg++) { 1365 VRegKind kind = static_cast<VRegKind>(kinds.at(reg * 2)); 1366 if (kind != kUndefined) { 1367 if (first) { 1368 os << "VRegs: v"; 1369 first = false; 1370 } else { 1371 os << ", v"; 1372 } 1373 os << reg << " ("; 1374 switch (kind) { 1375 case kImpreciseConstant: 1376 os << "Imprecise Constant: " << kinds.at((reg * 2) + 1) << ", "; 1377 DescribeVReg(os, oat_method, code_item, reg, kind); 1378 break; 1379 case kConstant: 1380 os << "Constant: " << kinds.at((reg * 2) + 1); 1381 break; 1382 default: 1383 DescribeVReg(os, oat_method, code_item, reg, kind); 1384 break; 1385 } 1386 os << ")"; 1387 } 1388 } 1389 if (!first) { 1390 os << "\n"; 1391 } 1392 } 1393 1394 1395 void DumpDexCode(std::ostream& os, const DexFile& dex_file, const DexFile::CodeItem* code_item) { 1396 if (code_item != nullptr) { 1397 size_t i = 0; 1398 while (i < code_item->insns_size_in_code_units_) { 1399 const Instruction* instruction = Instruction::At(&code_item->insns_[i]); 1400 os << StringPrintf("0x%04zx: ", i) << instruction->DumpHexLE(5) 1401 << StringPrintf("\t| %s\n", instruction->DumpString(&dex_file).c_str()); 1402 i += instruction->SizeInCodeUnits(); 1403 } 1404 } 1405 } 1406 1407 // Has `oat_method` -- corresponding to the Dex `code_item` -- been compiled by 1408 // the optimizing compiler? 1409 static bool IsMethodGeneratedByOptimizingCompiler(const OatFile::OatMethod& oat_method, 1410 const DexFile::CodeItem* code_item) { 1411 // If the native GC map is null and the Dex `code_item` is not 1412 // null, then this method has been compiled with the optimizing 1413 // compiler. 1414 return oat_method.GetQuickCode() != nullptr && 1415 oat_method.GetGcMap() == nullptr && 1416 code_item != nullptr; 1417 } 1418 1419 // Has `oat_method` -- corresponding to the Dex `code_item` -- been compiled by 1420 // the dextodex compiler? 1421 static bool IsMethodGeneratedByDexToDexCompiler(const OatFile::OatMethod& oat_method, 1422 const DexFile::CodeItem* code_item) { 1423 // If the quick code is null, the Dex `code_item` is not 1424 // null, and the vmap table is not null, then this method has been compiled 1425 // with the dextodex compiler. 1426 return oat_method.GetQuickCode() == nullptr && 1427 oat_method.GetVmapTable() != nullptr && 1428 code_item != nullptr; 1429 } 1430 1431 void DumpDexRegisterMapAtOffset(VariableIndentationOutputStream* vios, 1432 const OatFile::OatMethod& oat_method, 1433 const DexFile::CodeItem* code_item, 1434 size_t offset) { 1435 // This method is only relevant for oat methods compiled with the 1436 // optimizing compiler. 1437 DCHECK(IsMethodGeneratedByOptimizingCompiler(oat_method, code_item)); 1438 1439 // The optimizing compiler outputs its CodeInfo data in the vmap table. 1440 const void* raw_code_info = oat_method.GetVmapTable(); 1441 if (raw_code_info != nullptr) { 1442 CodeInfo code_info(raw_code_info); 1443 StackMapEncoding encoding = code_info.ExtractEncoding(); 1444 StackMap stack_map = code_info.GetStackMapForNativePcOffset(offset, encoding); 1445 if (stack_map.IsValid()) { 1446 stack_map.Dump(vios, code_info, encoding, oat_method.GetCodeOffset(), 1447 code_item->registers_size_); 1448 } 1449 } 1450 } 1451 1452 verifier::MethodVerifier* DumpVerifier(VariableIndentationOutputStream* vios, 1453 StackHandleScope<1>* hs, 1454 uint32_t dex_method_idx, 1455 const DexFile* dex_file, 1456 const DexFile::ClassDef& class_def, 1457 const DexFile::CodeItem* code_item, 1458 uint32_t method_access_flags) { 1459 if ((method_access_flags & kAccNative) == 0) { 1460 ScopedObjectAccess soa(Thread::Current()); 1461 Runtime* const runtime = Runtime::Current(); 1462 Handle<mirror::DexCache> dex_cache( 1463 hs->NewHandle(runtime->GetClassLinker()->RegisterDexFile(*dex_file, 1464 runtime->GetLinearAlloc()))); 1465 DCHECK(options_.class_loader_ != nullptr); 1466 return verifier::MethodVerifier::VerifyMethodAndDump( 1467 soa.Self(), vios, dex_method_idx, dex_file, dex_cache, *options_.class_loader_, 1468 &class_def, code_item, nullptr, method_access_flags); 1469 } 1470 1471 return nullptr; 1472 } 1473 1474 void DumpCode(VariableIndentationOutputStream* vios, 1475 verifier::MethodVerifier* verifier, 1476 const OatFile::OatMethod& oat_method, const DexFile::CodeItem* code_item, 1477 bool bad_input, size_t code_size) { 1478 const void* quick_code = oat_method.GetQuickCode(); 1479 1480 if (code_size == 0) { 1481 code_size = oat_method.GetQuickCodeSize(); 1482 } 1483 if (code_size == 0 || quick_code == nullptr) { 1484 vios->Stream() << "NO CODE!\n"; 1485 return; 1486 } else { 1487 const uint8_t* quick_native_pc = reinterpret_cast<const uint8_t*>(quick_code); 1488 size_t offset = 0; 1489 while (offset < code_size) { 1490 if (!bad_input) { 1491 DumpInformationAtOffset(vios, oat_method, code_item, offset, false); 1492 } 1493 offset += disassembler_->Dump(vios->Stream(), quick_native_pc + offset); 1494 if (!bad_input) { 1495 uint32_t dex_pc = 1496 DumpInformationAtOffset(vios, oat_method, code_item, offset, true); 1497 if (dex_pc != DexFile::kDexNoIndex) { 1498 DumpGcMapAtNativePcOffset(vios->Stream(), oat_method, code_item, offset); 1499 if (verifier != nullptr) { 1500 DumpVRegsAtDexPc(vios->Stream(), verifier, oat_method, code_item, dex_pc); 1501 } 1502 } 1503 } 1504 } 1505 } 1506 } 1507 1508 const OatFile& oat_file_; 1509 const std::vector<const OatFile::OatDexFile*> oat_dex_files_; 1510 const OatDumperOptions& options_; 1511 uint32_t resolved_addr2instr_; 1512 InstructionSet instruction_set_; 1513 std::set<uintptr_t> offsets_; 1514 Disassembler* disassembler_; 1515}; 1516 1517class ImageDumper { 1518 public: 1519 ImageDumper(std::ostream* os, gc::space::ImageSpace& image_space, 1520 const ImageHeader& image_header, OatDumperOptions* oat_dumper_options) 1521 : os_(os), 1522 vios_(os), 1523 indent1_(&vios_), 1524 image_space_(image_space), 1525 image_header_(image_header), 1526 oat_dumper_options_(oat_dumper_options) {} 1527 1528 bool Dump() SHARED_REQUIRES(Locks::mutator_lock_) { 1529 std::ostream& os = *os_; 1530 std::ostream& indent_os = vios_.Stream(); 1531 1532 os << "MAGIC: " << image_header_.GetMagic() << "\n\n"; 1533 1534 os << "IMAGE LOCATION: " << image_space_.GetImageLocation() << "\n\n"; 1535 1536 os << "IMAGE BEGIN: " << reinterpret_cast<void*>(image_header_.GetImageBegin()) << "\n\n"; 1537 1538 os << "IMAGE SIZE: " << image_header_.GetImageSize() << "\n\n"; 1539 1540 for (size_t i = 0; i < ImageHeader::kSectionCount; ++i) { 1541 auto section = static_cast<ImageHeader::ImageSections>(i); 1542 os << "IMAGE SECTION " << section << ": " << image_header_.GetImageSection(section) << "\n\n"; 1543 } 1544 1545 os << "OAT CHECKSUM: " << StringPrintf("0x%08x\n\n", image_header_.GetOatChecksum()); 1546 1547 os << "OAT FILE BEGIN:" << reinterpret_cast<void*>(image_header_.GetOatFileBegin()) << "\n\n"; 1548 1549 os << "OAT DATA BEGIN:" << reinterpret_cast<void*>(image_header_.GetOatDataBegin()) << "\n\n"; 1550 1551 os << "OAT DATA END:" << reinterpret_cast<void*>(image_header_.GetOatDataEnd()) << "\n\n"; 1552 1553 os << "OAT FILE END:" << reinterpret_cast<void*>(image_header_.GetOatFileEnd()) << "\n\n"; 1554 1555 os << "PATCH DELTA:" << image_header_.GetPatchDelta() << "\n\n"; 1556 1557 os << "COMPILE PIC: " << (image_header_.CompilePic() ? "yes" : "no") << "\n\n"; 1558 1559 { 1560 os << "ROOTS: " << reinterpret_cast<void*>(image_header_.GetImageRoots()) << "\n"; 1561 static_assert(arraysize(image_roots_descriptions_) == 1562 static_cast<size_t>(ImageHeader::kImageRootsMax), "sizes must match"); 1563 for (int i = 0; i < ImageHeader::kImageRootsMax; i++) { 1564 ImageHeader::ImageRoot image_root = static_cast<ImageHeader::ImageRoot>(i); 1565 const char* image_root_description = image_roots_descriptions_[i]; 1566 mirror::Object* image_root_object = image_header_.GetImageRoot(image_root); 1567 indent_os << StringPrintf("%s: %p\n", image_root_description, image_root_object); 1568 if (image_root_object->IsObjectArray()) { 1569 mirror::ObjectArray<mirror::Object>* image_root_object_array 1570 = image_root_object->AsObjectArray<mirror::Object>(); 1571 ScopedIndentation indent2(&vios_); 1572 for (int j = 0; j < image_root_object_array->GetLength(); j++) { 1573 mirror::Object* value = image_root_object_array->Get(j); 1574 size_t run = 0; 1575 for (int32_t k = j + 1; k < image_root_object_array->GetLength(); k++) { 1576 if (value == image_root_object_array->Get(k)) { 1577 run++; 1578 } else { 1579 break; 1580 } 1581 } 1582 if (run == 0) { 1583 indent_os << StringPrintf("%d: ", j); 1584 } else { 1585 indent_os << StringPrintf("%d to %zd: ", j, j + run); 1586 j = j + run; 1587 } 1588 if (value != nullptr) { 1589 PrettyObjectValue(indent_os, value->GetClass(), value); 1590 } else { 1591 indent_os << j << ": null\n"; 1592 } 1593 } 1594 } 1595 } 1596 } 1597 1598 { 1599 os << "METHOD ROOTS\n"; 1600 static_assert(arraysize(image_methods_descriptions_) == 1601 static_cast<size_t>(ImageHeader::kImageMethodsCount), "sizes must match"); 1602 for (int i = 0; i < ImageHeader::kImageMethodsCount; i++) { 1603 auto image_root = static_cast<ImageHeader::ImageMethod>(i); 1604 const char* description = image_methods_descriptions_[i]; 1605 auto* image_method = image_header_.GetImageMethod(image_root); 1606 indent_os << StringPrintf("%s: %p\n", description, image_method); 1607 } 1608 } 1609 os << "\n"; 1610 1611 Runtime* const runtime = Runtime::Current(); 1612 ClassLinker* class_linker = runtime->GetClassLinker(); 1613 std::string image_filename = image_space_.GetImageFilename(); 1614 std::string oat_location = ImageHeader::GetOatLocationFromImageLocation(image_filename); 1615 os << "OAT LOCATION: " << oat_location; 1616 os << "\n"; 1617 std::string error_msg; 1618 const OatFile* oat_file = runtime->GetOatFileManager().FindOpenedOatFileFromOatLocation( 1619 oat_location); 1620 if (oat_file == nullptr) { 1621 oat_file = OatFile::Open(oat_location, oat_location, 1622 nullptr, nullptr, false, nullptr, 1623 &error_msg); 1624 if (oat_file == nullptr) { 1625 os << "NOT FOUND: " << error_msg << "\n"; 1626 return false; 1627 } 1628 } 1629 os << "\n"; 1630 1631 stats_.oat_file_bytes = oat_file->Size(); 1632 1633 oat_dumper_.reset(new OatDumper(*oat_file, *oat_dumper_options_)); 1634 1635 for (const OatFile::OatDexFile* oat_dex_file : oat_file->GetOatDexFiles()) { 1636 CHECK(oat_dex_file != nullptr); 1637 stats_.oat_dex_file_sizes.push_back(std::make_pair(oat_dex_file->GetDexFileLocation(), 1638 oat_dex_file->FileSize())); 1639 } 1640 1641 os << "OBJECTS:\n" << std::flush; 1642 1643 // Loop through the image space and dump its objects. 1644 gc::Heap* heap = runtime->GetHeap(); 1645 Thread* self = Thread::Current(); 1646 { 1647 { 1648 WriterMutexLock mu(self, *Locks::heap_bitmap_lock_); 1649 heap->FlushAllocStack(); 1650 } 1651 // Since FlushAllocStack() above resets the (active) allocation 1652 // stack. Need to revoke the thread-local allocation stacks that 1653 // point into it. 1654 ScopedThreadSuspension sts(self, kNative); 1655 ScopedSuspendAll ssa(__FUNCTION__); 1656 heap->RevokeAllThreadLocalAllocationStacks(self); 1657 } 1658 { 1659 // Mark dex caches. 1660 dex_caches_.clear(); 1661 { 1662 ReaderMutexLock mu(self, *class_linker->DexLock()); 1663 for (const ClassLinker::DexCacheData& data : class_linker->GetDexCachesData()) { 1664 mirror::DexCache* dex_cache = 1665 down_cast<mirror::DexCache*>(self->DecodeJObject(data.weak_root)); 1666 if (dex_cache != nullptr) { 1667 dex_caches_.insert(dex_cache); 1668 } 1669 } 1670 } 1671 ReaderMutexLock mu(self, *Locks::heap_bitmap_lock_); 1672 // Dump the normal objects before ArtMethods. 1673 image_space_.GetLiveBitmap()->Walk(ImageDumper::Callback, this); 1674 indent_os << "\n"; 1675 // TODO: Dump fields. 1676 // Dump methods after. 1677 const auto& methods_section = image_header_.GetMethodsSection(); 1678 const size_t pointer_size = 1679 InstructionSetPointerSize(oat_dumper_->GetOatInstructionSet()); 1680 DumpArtMethodVisitor visitor(this); 1681 methods_section.VisitPackedArtMethods(&visitor, image_space_.Begin(), pointer_size); 1682 // Dump the large objects separately. 1683 heap->GetLargeObjectsSpace()->GetLiveBitmap()->Walk(ImageDumper::Callback, this); 1684 indent_os << "\n"; 1685 } 1686 os << "STATS:\n" << std::flush; 1687 std::unique_ptr<File> file(OS::OpenFileForReading(image_filename.c_str())); 1688 if (file.get() == nullptr) { 1689 LOG(WARNING) << "Failed to find image in " << image_filename; 1690 } 1691 if (file.get() != nullptr) { 1692 stats_.file_bytes = file->GetLength(); 1693 } 1694 size_t header_bytes = sizeof(ImageHeader); 1695 const auto& object_section = image_header_.GetImageSection(ImageHeader::kSectionObjects); 1696 const auto& field_section = image_header_.GetImageSection(ImageHeader::kSectionArtFields); 1697 const auto& method_section = image_header_.GetMethodsSection(); 1698 const auto& dex_cache_arrays_section = image_header_.GetImageSection( 1699 ImageHeader::kSectionDexCacheArrays); 1700 const auto& intern_section = image_header_.GetImageSection( 1701 ImageHeader::kSectionInternedStrings); 1702 const auto& class_table_section = image_header_.GetImageSection( 1703 ImageHeader::kSectionClassTable); 1704 const auto& bitmap_section = image_header_.GetImageSection(ImageHeader::kSectionImageBitmap); 1705 1706 stats_.header_bytes = header_bytes; 1707 1708 // Objects are kObjectAlignment-aligned. 1709 // CHECK_EQ(RoundUp(header_bytes, kObjectAlignment), object_section.Offset()); 1710 if (object_section.Offset() > header_bytes) { 1711 stats_.alignment_bytes += object_section.Offset() - header_bytes; 1712 } 1713 1714 // Field section is 4-byte aligned. 1715 constexpr size_t kFieldSectionAlignment = 4U; 1716 uint32_t end_objects = object_section.Offset() + object_section.Size(); 1717 CHECK_EQ(RoundUp(end_objects, kFieldSectionAlignment), field_section.Offset()); 1718 stats_.alignment_bytes += field_section.Offset() - end_objects; 1719 1720 // Method section is 4/8 byte aligned depending on target. Just check for 4-byte alignment. 1721 uint32_t end_fields = field_section.Offset() + field_section.Size(); 1722 CHECK_ALIGNED(method_section.Offset(), 4); 1723 stats_.alignment_bytes += method_section.Offset() - end_fields; 1724 1725 // Dex cache arrays section is aligned depending on the target. Just check for 4-byte alignment. 1726 uint32_t end_methods = method_section.Offset() + method_section.Size(); 1727 CHECK_ALIGNED(dex_cache_arrays_section.Offset(), 4); 1728 stats_.alignment_bytes += dex_cache_arrays_section.Offset() - end_methods; 1729 1730 // Intern table is 8-byte aligned. 1731 uint32_t end_caches = dex_cache_arrays_section.Offset() + dex_cache_arrays_section.Size(); 1732 CHECK_EQ(RoundUp(end_caches, 8U), intern_section.Offset()); 1733 stats_.alignment_bytes += intern_section.Offset() - end_caches; 1734 1735 // Add space between intern table and class table. 1736 uint32_t end_intern = intern_section.Offset() + intern_section.Size(); 1737 stats_.alignment_bytes += class_table_section.Offset() - end_intern; 1738 1739 // Add space between class table and bitmap. Expect the bitmap to be page-aligned. 1740 uint32_t end_ctable = class_table_section.Offset() + class_table_section.Size(); 1741 CHECK_ALIGNED(bitmap_section.Offset(), kPageSize); 1742 stats_.alignment_bytes += bitmap_section.Offset() - end_ctable; 1743 1744 stats_.bitmap_bytes += bitmap_section.Size(); 1745 stats_.art_field_bytes += field_section.Size(); 1746 stats_.art_method_bytes += method_section.Size(); 1747 stats_.dex_cache_arrays_bytes += dex_cache_arrays_section.Size(); 1748 stats_.interned_strings_bytes += intern_section.Size(); 1749 stats_.class_table_bytes += class_table_section.Size(); 1750 stats_.Dump(os, indent_os); 1751 os << "\n"; 1752 1753 os << std::flush; 1754 1755 return oat_dumper_->Dump(os); 1756 } 1757 1758 private: 1759 class DumpArtMethodVisitor : public ArtMethodVisitor { 1760 public: 1761 explicit DumpArtMethodVisitor(ImageDumper* image_dumper) : image_dumper_(image_dumper) {} 1762 1763 virtual void Visit(ArtMethod* method) OVERRIDE SHARED_REQUIRES(Locks::mutator_lock_) { 1764 std::ostream& indent_os = image_dumper_->vios_.Stream(); 1765 indent_os << method << " " << " ArtMethod: " << PrettyMethod(method) << "\n"; 1766 image_dumper_->DumpMethod(method, image_dumper_, indent_os); 1767 indent_os << "\n"; 1768 } 1769 1770 private: 1771 ImageDumper* const image_dumper_; 1772 }; 1773 1774 static void PrettyObjectValue(std::ostream& os, mirror::Class* type, mirror::Object* value) 1775 SHARED_REQUIRES(Locks::mutator_lock_) { 1776 CHECK(type != nullptr); 1777 if (value == nullptr) { 1778 os << StringPrintf("null %s\n", PrettyDescriptor(type).c_str()); 1779 } else if (type->IsStringClass()) { 1780 mirror::String* string = value->AsString(); 1781 os << StringPrintf("%p String: %s\n", string, 1782 PrintableString(string->ToModifiedUtf8().c_str()).c_str()); 1783 } else if (type->IsClassClass()) { 1784 mirror::Class* klass = value->AsClass(); 1785 os << StringPrintf("%p Class: %s\n", klass, PrettyDescriptor(klass).c_str()); 1786 } else { 1787 os << StringPrintf("%p %s\n", value, PrettyDescriptor(type).c_str()); 1788 } 1789 } 1790 1791 static void PrintField(std::ostream& os, ArtField* field, mirror::Object* obj) 1792 SHARED_REQUIRES(Locks::mutator_lock_) { 1793 os << StringPrintf("%s: ", field->GetName()); 1794 switch (field->GetTypeAsPrimitiveType()) { 1795 case Primitive::kPrimLong: 1796 os << StringPrintf("%" PRId64 " (0x%" PRIx64 ")\n", field->Get64(obj), field->Get64(obj)); 1797 break; 1798 case Primitive::kPrimDouble: 1799 os << StringPrintf("%f (%a)\n", field->GetDouble(obj), field->GetDouble(obj)); 1800 break; 1801 case Primitive::kPrimFloat: 1802 os << StringPrintf("%f (%a)\n", field->GetFloat(obj), field->GetFloat(obj)); 1803 break; 1804 case Primitive::kPrimInt: 1805 os << StringPrintf("%d (0x%x)\n", field->Get32(obj), field->Get32(obj)); 1806 break; 1807 case Primitive::kPrimChar: 1808 os << StringPrintf("%u (0x%x)\n", field->GetChar(obj), field->GetChar(obj)); 1809 break; 1810 case Primitive::kPrimShort: 1811 os << StringPrintf("%d (0x%x)\n", field->GetShort(obj), field->GetShort(obj)); 1812 break; 1813 case Primitive::kPrimBoolean: 1814 os << StringPrintf("%s (0x%x)\n", field->GetBoolean(obj)? "true" : "false", 1815 field->GetBoolean(obj)); 1816 break; 1817 case Primitive::kPrimByte: 1818 os << StringPrintf("%d (0x%x)\n", field->GetByte(obj), field->GetByte(obj)); 1819 break; 1820 case Primitive::kPrimNot: { 1821 // Get the value, don't compute the type unless it is non-null as we don't want 1822 // to cause class loading. 1823 mirror::Object* value = field->GetObj(obj); 1824 if (value == nullptr) { 1825 os << StringPrintf("null %s\n", PrettyDescriptor(field->GetTypeDescriptor()).c_str()); 1826 } else { 1827 // Grab the field type without causing resolution. 1828 mirror::Class* field_type = field->GetType<false>(); 1829 if (field_type != nullptr) { 1830 PrettyObjectValue(os, field_type, value); 1831 } else { 1832 os << StringPrintf("%p %s\n", value, 1833 PrettyDescriptor(field->GetTypeDescriptor()).c_str()); 1834 } 1835 } 1836 break; 1837 } 1838 default: 1839 os << "unexpected field type: " << field->GetTypeDescriptor() << "\n"; 1840 break; 1841 } 1842 } 1843 1844 static void DumpFields(std::ostream& os, mirror::Object* obj, mirror::Class* klass) 1845 SHARED_REQUIRES(Locks::mutator_lock_) { 1846 mirror::Class* super = klass->GetSuperClass(); 1847 if (super != nullptr) { 1848 DumpFields(os, obj, super); 1849 } 1850 for (ArtField& field : klass->GetIFields()) { 1851 PrintField(os, &field, obj); 1852 } 1853 } 1854 1855 bool InDumpSpace(const mirror::Object* object) { 1856 return image_space_.Contains(object); 1857 } 1858 1859 const void* GetQuickOatCodeBegin(ArtMethod* m) 1860 SHARED_REQUIRES(Locks::mutator_lock_) { 1861 const void* quick_code = m->GetEntryPointFromQuickCompiledCodePtrSize( 1862 InstructionSetPointerSize(oat_dumper_->GetOatInstructionSet())); 1863 if (Runtime::Current()->GetClassLinker()->IsQuickResolutionStub(quick_code)) { 1864 quick_code = oat_dumper_->GetQuickOatCode(m); 1865 } 1866 if (oat_dumper_->GetInstructionSet() == kThumb2) { 1867 quick_code = reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(quick_code) & ~0x1); 1868 } 1869 return quick_code; 1870 } 1871 1872 uint32_t GetQuickOatCodeSize(ArtMethod* m) 1873 SHARED_REQUIRES(Locks::mutator_lock_) { 1874 const uint32_t* oat_code_begin = reinterpret_cast<const uint32_t*>(GetQuickOatCodeBegin(m)); 1875 if (oat_code_begin == nullptr) { 1876 return 0; 1877 } 1878 return oat_code_begin[-1]; 1879 } 1880 1881 const void* GetQuickOatCodeEnd(ArtMethod* m) 1882 SHARED_REQUIRES(Locks::mutator_lock_) { 1883 const uint8_t* oat_code_begin = reinterpret_cast<const uint8_t*>(GetQuickOatCodeBegin(m)); 1884 if (oat_code_begin == nullptr) { 1885 return nullptr; 1886 } 1887 return oat_code_begin + GetQuickOatCodeSize(m); 1888 } 1889 1890 static void Callback(mirror::Object* obj, void* arg) SHARED_REQUIRES(Locks::mutator_lock_) { 1891 DCHECK(obj != nullptr); 1892 DCHECK(arg != nullptr); 1893 ImageDumper* state = reinterpret_cast<ImageDumper*>(arg); 1894 if (!state->InDumpSpace(obj)) { 1895 return; 1896 } 1897 1898 size_t object_bytes = obj->SizeOf(); 1899 size_t alignment_bytes = RoundUp(object_bytes, kObjectAlignment) - object_bytes; 1900 state->stats_.object_bytes += object_bytes; 1901 state->stats_.alignment_bytes += alignment_bytes; 1902 1903 std::ostream& os = state->vios_.Stream(); 1904 1905 mirror::Class* obj_class = obj->GetClass(); 1906 if (obj_class->IsArrayClass()) { 1907 os << StringPrintf("%p: %s length:%d\n", obj, PrettyDescriptor(obj_class).c_str(), 1908 obj->AsArray()->GetLength()); 1909 } else if (obj->IsClass()) { 1910 mirror::Class* klass = obj->AsClass(); 1911 os << StringPrintf("%p: java.lang.Class \"%s\" (", obj, PrettyDescriptor(klass).c_str()) 1912 << klass->GetStatus() << ")\n"; 1913 } else if (obj_class->IsStringClass()) { 1914 os << StringPrintf("%p: java.lang.String %s\n", obj, 1915 PrintableString(obj->AsString()->ToModifiedUtf8().c_str()).c_str()); 1916 } else { 1917 os << StringPrintf("%p: %s\n", obj, PrettyDescriptor(obj_class).c_str()); 1918 } 1919 ScopedIndentation indent1(&state->vios_); 1920 DumpFields(os, obj, obj_class); 1921 const auto image_pointer_size = 1922 InstructionSetPointerSize(state->oat_dumper_->GetOatInstructionSet()); 1923 if (obj->IsObjectArray()) { 1924 auto* obj_array = obj->AsObjectArray<mirror::Object>(); 1925 for (int32_t i = 0, length = obj_array->GetLength(); i < length; i++) { 1926 mirror::Object* value = obj_array->Get(i); 1927 size_t run = 0; 1928 for (int32_t j = i + 1; j < length; j++) { 1929 if (value == obj_array->Get(j)) { 1930 run++; 1931 } else { 1932 break; 1933 } 1934 } 1935 if (run == 0) { 1936 os << StringPrintf("%d: ", i); 1937 } else { 1938 os << StringPrintf("%d to %zd: ", i, i + run); 1939 i = i + run; 1940 } 1941 mirror::Class* value_class = 1942 (value == nullptr) ? obj_class->GetComponentType() : value->GetClass(); 1943 PrettyObjectValue(os, value_class, value); 1944 } 1945 } else if (obj->IsClass()) { 1946 mirror::Class* klass = obj->AsClass(); 1947 if (klass->NumStaticFields() != 0) { 1948 os << "STATICS:\n"; 1949 ScopedIndentation indent2(&state->vios_); 1950 for (ArtField& field : klass->GetSFields()) { 1951 PrintField(os, &field, field.GetDeclaringClass()); 1952 } 1953 } 1954 } else { 1955 auto it = state->dex_caches_.find(obj); 1956 if (it != state->dex_caches_.end()) { 1957 auto* dex_cache = down_cast<mirror::DexCache*>(obj); 1958 const auto& field_section = state->image_header_.GetImageSection( 1959 ImageHeader::kSectionArtFields); 1960 const auto& method_section = state->image_header_.GetMethodsSection(); 1961 size_t num_methods = dex_cache->NumResolvedMethods(); 1962 if (num_methods != 0u) { 1963 os << "Methods (size=" << num_methods << "):"; 1964 ScopedIndentation indent2(&state->vios_); 1965 auto* resolved_methods = dex_cache->GetResolvedMethods(); 1966 for (size_t i = 0, length = dex_cache->NumResolvedMethods(); i < length; ++i) { 1967 auto* elem = mirror::DexCache::GetElementPtrSize(resolved_methods, i, image_pointer_size); 1968 size_t run = 0; 1969 for (size_t j = i + 1; 1970 j != length && elem == mirror::DexCache::GetElementPtrSize(resolved_methods, 1971 j, 1972 image_pointer_size); 1973 ++j, ++run) {} 1974 if (run == 0) { 1975 os << StringPrintf("%zd: ", i); 1976 } else { 1977 os << StringPrintf("%zd to %zd: ", i, i + run); 1978 i = i + run; 1979 } 1980 std::string msg; 1981 if (elem == nullptr) { 1982 msg = "null"; 1983 } else if (method_section.Contains( 1984 reinterpret_cast<uint8_t*>(elem) - state->image_space_.Begin())) { 1985 msg = PrettyMethod(reinterpret_cast<ArtMethod*>(elem)); 1986 } else { 1987 msg = "<not in method section>"; 1988 } 1989 os << StringPrintf("%p %s\n", elem, msg.c_str()); 1990 } 1991 } 1992 size_t num_fields = dex_cache->NumResolvedFields(); 1993 if (num_fields != 0u) { 1994 os << "Fields (size=" << num_fields << "):"; 1995 ScopedIndentation indent2(&state->vios_); 1996 auto* resolved_fields = dex_cache->GetResolvedFields(); 1997 for (size_t i = 0, length = dex_cache->NumResolvedFields(); i < length; ++i) { 1998 auto* elem = mirror::DexCache::GetElementPtrSize(resolved_fields, i, image_pointer_size); 1999 size_t run = 0; 2000 for (size_t j = i + 1; 2001 j != length && elem == mirror::DexCache::GetElementPtrSize(resolved_fields, 2002 j, 2003 image_pointer_size); 2004 ++j, ++run) {} 2005 if (run == 0) { 2006 os << StringPrintf("%zd: ", i); 2007 } else { 2008 os << StringPrintf("%zd to %zd: ", i, i + run); 2009 i = i + run; 2010 } 2011 std::string msg; 2012 if (elem == nullptr) { 2013 msg = "null"; 2014 } else if (field_section.Contains( 2015 reinterpret_cast<uint8_t*>(elem) - state->image_space_.Begin())) { 2016 msg = PrettyField(reinterpret_cast<ArtField*>(elem)); 2017 } else { 2018 msg = "<not in field section>"; 2019 } 2020 os << StringPrintf("%p %s\n", elem, msg.c_str()); 2021 } 2022 } 2023 } 2024 } 2025 std::string temp; 2026 state->stats_.Update(obj_class->GetDescriptor(&temp), object_bytes); 2027 } 2028 2029 void DumpMethod(ArtMethod* method, ImageDumper* state, std::ostream& indent_os) 2030 SHARED_REQUIRES(Locks::mutator_lock_) { 2031 DCHECK(method != nullptr); 2032 const auto image_pointer_size = 2033 InstructionSetPointerSize(state->oat_dumper_->GetOatInstructionSet()); 2034 const void* quick_oat_code_begin = state->GetQuickOatCodeBegin(method); 2035 const void* quick_oat_code_end = state->GetQuickOatCodeEnd(method); 2036 OatQuickMethodHeader* method_header = reinterpret_cast<OatQuickMethodHeader*>( 2037 reinterpret_cast<uintptr_t>(quick_oat_code_begin) - sizeof(OatQuickMethodHeader)); 2038 if (method->IsNative()) { 2039 if (!Runtime::Current()->GetClassLinker()->IsQuickGenericJniStub(quick_oat_code_begin)) { 2040 DCHECK(method_header->GetNativeGcMap() == nullptr) << PrettyMethod(method); 2041 DCHECK(method_header->GetMappingTable() == nullptr) << PrettyMethod(method); 2042 } 2043 bool first_occurrence; 2044 uint32_t quick_oat_code_size = state->GetQuickOatCodeSize(method); 2045 state->ComputeOatSize(quick_oat_code_begin, &first_occurrence); 2046 if (first_occurrence) { 2047 state->stats_.native_to_managed_code_bytes += quick_oat_code_size; 2048 } 2049 if (quick_oat_code_begin != 2050 method->GetEntryPointFromQuickCompiledCodePtrSize(image_pointer_size)) { 2051 indent_os << StringPrintf("OAT CODE: %p\n", quick_oat_code_begin); 2052 } 2053 } else if (method->IsAbstract() || method->IsCalleeSaveMethod() || 2054 method->IsResolutionMethod() || method->IsImtConflictMethod() || 2055 method->IsImtUnimplementedMethod() || method->IsClassInitializer()) { 2056 } else { 2057 const DexFile::CodeItem* code_item = method->GetCodeItem(); 2058 size_t dex_instruction_bytes = code_item->insns_size_in_code_units_ * 2; 2059 state->stats_.dex_instruction_bytes += dex_instruction_bytes; 2060 2061 bool first_occurrence; 2062 size_t gc_map_bytes = state->ComputeOatSize( 2063 method_header->GetNativeGcMap(), &first_occurrence); 2064 if (first_occurrence) { 2065 state->stats_.gc_map_bytes += gc_map_bytes; 2066 } 2067 2068 size_t pc_mapping_table_bytes = state->ComputeOatSize( 2069 method_header->GetMappingTable(), &first_occurrence); 2070 if (first_occurrence) { 2071 state->stats_.pc_mapping_table_bytes += pc_mapping_table_bytes; 2072 } 2073 2074 size_t vmap_table_bytes = 0u; 2075 if (!method_header->IsOptimized()) { 2076 // Method compiled with the optimizing compiler have no vmap table. 2077 vmap_table_bytes = state->ComputeOatSize( 2078 method_header->GetVmapTable(), &first_occurrence); 2079 if (first_occurrence) { 2080 state->stats_.vmap_table_bytes += vmap_table_bytes; 2081 } 2082 } 2083 2084 uint32_t quick_oat_code_size = state->GetQuickOatCodeSize(method); 2085 state->ComputeOatSize(quick_oat_code_begin, &first_occurrence); 2086 if (first_occurrence) { 2087 state->stats_.managed_code_bytes += quick_oat_code_size; 2088 if (method->IsConstructor()) { 2089 if (method->IsStatic()) { 2090 state->stats_.class_initializer_code_bytes += quick_oat_code_size; 2091 } else if (dex_instruction_bytes > kLargeConstructorDexBytes) { 2092 state->stats_.large_initializer_code_bytes += quick_oat_code_size; 2093 } 2094 } else if (dex_instruction_bytes > kLargeMethodDexBytes) { 2095 state->stats_.large_method_code_bytes += quick_oat_code_size; 2096 } 2097 } 2098 state->stats_.managed_code_bytes_ignoring_deduplication += quick_oat_code_size; 2099 2100 uint32_t method_access_flags = method->GetAccessFlags(); 2101 2102 indent_os << StringPrintf("OAT CODE: %p-%p\n", quick_oat_code_begin, quick_oat_code_end); 2103 indent_os << StringPrintf("SIZE: Dex Instructions=%zd GC=%zd Mapping=%zd AccessFlags=0x%x\n", 2104 dex_instruction_bytes, gc_map_bytes, pc_mapping_table_bytes, 2105 method_access_flags); 2106 2107 size_t total_size = dex_instruction_bytes + gc_map_bytes + pc_mapping_table_bytes + 2108 vmap_table_bytes + quick_oat_code_size + ArtMethod::Size(image_pointer_size); 2109 2110 double expansion = 2111 static_cast<double>(quick_oat_code_size) / static_cast<double>(dex_instruction_bytes); 2112 state->stats_.ComputeOutliers(total_size, expansion, method); 2113 } 2114 } 2115 2116 std::set<const void*> already_seen_; 2117 // Compute the size of the given data within the oat file and whether this is the first time 2118 // this data has been requested 2119 size_t ComputeOatSize(const void* oat_data, bool* first_occurrence) { 2120 if (already_seen_.count(oat_data) == 0) { 2121 *first_occurrence = true; 2122 already_seen_.insert(oat_data); 2123 } else { 2124 *first_occurrence = false; 2125 } 2126 return oat_dumper_->ComputeSize(oat_data); 2127 } 2128 2129 public: 2130 struct Stats { 2131 size_t oat_file_bytes; 2132 size_t file_bytes; 2133 2134 size_t header_bytes; 2135 size_t object_bytes; 2136 size_t art_field_bytes; 2137 size_t art_method_bytes; 2138 size_t dex_cache_arrays_bytes; 2139 size_t interned_strings_bytes; 2140 size_t class_table_bytes; 2141 size_t bitmap_bytes; 2142 size_t alignment_bytes; 2143 2144 size_t managed_code_bytes; 2145 size_t managed_code_bytes_ignoring_deduplication; 2146 size_t managed_to_native_code_bytes; 2147 size_t native_to_managed_code_bytes; 2148 size_t class_initializer_code_bytes; 2149 size_t large_initializer_code_bytes; 2150 size_t large_method_code_bytes; 2151 2152 size_t gc_map_bytes; 2153 size_t pc_mapping_table_bytes; 2154 size_t vmap_table_bytes; 2155 2156 size_t dex_instruction_bytes; 2157 2158 std::vector<ArtMethod*> method_outlier; 2159 std::vector<size_t> method_outlier_size; 2160 std::vector<double> method_outlier_expansion; 2161 std::vector<std::pair<std::string, size_t>> oat_dex_file_sizes; 2162 2163 Stats() 2164 : oat_file_bytes(0), 2165 file_bytes(0), 2166 header_bytes(0), 2167 object_bytes(0), 2168 art_field_bytes(0), 2169 art_method_bytes(0), 2170 dex_cache_arrays_bytes(0), 2171 interned_strings_bytes(0), 2172 class_table_bytes(0), 2173 bitmap_bytes(0), 2174 alignment_bytes(0), 2175 managed_code_bytes(0), 2176 managed_code_bytes_ignoring_deduplication(0), 2177 managed_to_native_code_bytes(0), 2178 native_to_managed_code_bytes(0), 2179 class_initializer_code_bytes(0), 2180 large_initializer_code_bytes(0), 2181 large_method_code_bytes(0), 2182 gc_map_bytes(0), 2183 pc_mapping_table_bytes(0), 2184 vmap_table_bytes(0), 2185 dex_instruction_bytes(0) {} 2186 2187 struct SizeAndCount { 2188 SizeAndCount(size_t bytes_in, size_t count_in) : bytes(bytes_in), count(count_in) {} 2189 size_t bytes; 2190 size_t count; 2191 }; 2192 typedef SafeMap<std::string, SizeAndCount> SizeAndCountTable; 2193 SizeAndCountTable sizes_and_counts; 2194 2195 void Update(const char* descriptor, size_t object_bytes_in) { 2196 SizeAndCountTable::iterator it = sizes_and_counts.find(descriptor); 2197 if (it != sizes_and_counts.end()) { 2198 it->second.bytes += object_bytes_in; 2199 it->second.count += 1; 2200 } else { 2201 sizes_and_counts.Put(descriptor, SizeAndCount(object_bytes_in, 1)); 2202 } 2203 } 2204 2205 double PercentOfOatBytes(size_t size) { 2206 return (static_cast<double>(size) / static_cast<double>(oat_file_bytes)) * 100; 2207 } 2208 2209 double PercentOfFileBytes(size_t size) { 2210 return (static_cast<double>(size) / static_cast<double>(file_bytes)) * 100; 2211 } 2212 2213 double PercentOfObjectBytes(size_t size) { 2214 return (static_cast<double>(size) / static_cast<double>(object_bytes)) * 100; 2215 } 2216 2217 void ComputeOutliers(size_t total_size, double expansion, ArtMethod* method) { 2218 method_outlier_size.push_back(total_size); 2219 method_outlier_expansion.push_back(expansion); 2220 method_outlier.push_back(method); 2221 } 2222 2223 void DumpOutliers(std::ostream& os) 2224 SHARED_REQUIRES(Locks::mutator_lock_) { 2225 size_t sum_of_sizes = 0; 2226 size_t sum_of_sizes_squared = 0; 2227 size_t sum_of_expansion = 0; 2228 size_t sum_of_expansion_squared = 0; 2229 size_t n = method_outlier_size.size(); 2230 if (n == 0) { 2231 return; 2232 } 2233 for (size_t i = 0; i < n; i++) { 2234 size_t cur_size = method_outlier_size[i]; 2235 sum_of_sizes += cur_size; 2236 sum_of_sizes_squared += cur_size * cur_size; 2237 double cur_expansion = method_outlier_expansion[i]; 2238 sum_of_expansion += cur_expansion; 2239 sum_of_expansion_squared += cur_expansion * cur_expansion; 2240 } 2241 size_t size_mean = sum_of_sizes / n; 2242 size_t size_variance = (sum_of_sizes_squared - sum_of_sizes * size_mean) / (n - 1); 2243 double expansion_mean = sum_of_expansion / n; 2244 double expansion_variance = 2245 (sum_of_expansion_squared - sum_of_expansion * expansion_mean) / (n - 1); 2246 2247 // Dump methods whose size is a certain number of standard deviations from the mean 2248 size_t dumped_values = 0; 2249 size_t skipped_values = 0; 2250 for (size_t i = 100; i > 0; i--) { // i is the current number of standard deviations 2251 size_t cur_size_variance = i * i * size_variance; 2252 bool first = true; 2253 for (size_t j = 0; j < n; j++) { 2254 size_t cur_size = method_outlier_size[j]; 2255 if (cur_size > size_mean) { 2256 size_t cur_var = cur_size - size_mean; 2257 cur_var = cur_var * cur_var; 2258 if (cur_var > cur_size_variance) { 2259 if (dumped_values > 20) { 2260 if (i == 1) { 2261 skipped_values++; 2262 } else { 2263 i = 2; // jump to counting for 1 standard deviation 2264 break; 2265 } 2266 } else { 2267 if (first) { 2268 os << "\nBig methods (size > " << i << " standard deviations the norm):\n"; 2269 first = false; 2270 } 2271 os << PrettyMethod(method_outlier[j]) << " requires storage of " 2272 << PrettySize(cur_size) << "\n"; 2273 method_outlier_size[j] = 0; // don't consider this method again 2274 dumped_values++; 2275 } 2276 } 2277 } 2278 } 2279 } 2280 if (skipped_values > 0) { 2281 os << "... skipped " << skipped_values 2282 << " methods with size > 1 standard deviation from the norm\n"; 2283 } 2284 os << std::flush; 2285 2286 // Dump methods whose expansion is a certain number of standard deviations from the mean 2287 dumped_values = 0; 2288 skipped_values = 0; 2289 for (size_t i = 10; i > 0; i--) { // i is the current number of standard deviations 2290 double cur_expansion_variance = i * i * expansion_variance; 2291 bool first = true; 2292 for (size_t j = 0; j < n; j++) { 2293 double cur_expansion = method_outlier_expansion[j]; 2294 if (cur_expansion > expansion_mean) { 2295 size_t cur_var = cur_expansion - expansion_mean; 2296 cur_var = cur_var * cur_var; 2297 if (cur_var > cur_expansion_variance) { 2298 if (dumped_values > 20) { 2299 if (i == 1) { 2300 skipped_values++; 2301 } else { 2302 i = 2; // jump to counting for 1 standard deviation 2303 break; 2304 } 2305 } else { 2306 if (first) { 2307 os << "\nLarge expansion methods (size > " << i 2308 << " standard deviations the norm):\n"; 2309 first = false; 2310 } 2311 os << PrettyMethod(method_outlier[j]) << " expanded code by " 2312 << cur_expansion << "\n"; 2313 method_outlier_expansion[j] = 0.0; // don't consider this method again 2314 dumped_values++; 2315 } 2316 } 2317 } 2318 } 2319 } 2320 if (skipped_values > 0) { 2321 os << "... skipped " << skipped_values 2322 << " methods with expansion > 1 standard deviation from the norm\n"; 2323 } 2324 os << "\n" << std::flush; 2325 } 2326 2327 void Dump(std::ostream& os, std::ostream& indent_os) 2328 SHARED_REQUIRES(Locks::mutator_lock_) { 2329 { 2330 os << "art_file_bytes = " << PrettySize(file_bytes) << "\n\n" 2331 << "art_file_bytes = header_bytes + object_bytes + alignment_bytes\n"; 2332 indent_os << StringPrintf("header_bytes = %8zd (%2.0f%% of art file bytes)\n" 2333 "object_bytes = %8zd (%2.0f%% of art file bytes)\n" 2334 "art_field_bytes = %8zd (%2.0f%% of art file bytes)\n" 2335 "art_method_bytes = %8zd (%2.0f%% of art file bytes)\n" 2336 "dex_cache_arrays_bytes = %8zd (%2.0f%% of art file bytes)\n" 2337 "interned_string_bytes = %8zd (%2.0f%% of art file bytes)\n" 2338 "class_table_bytes = %8zd (%2.0f%% of art file bytes)\n" 2339 "bitmap_bytes = %8zd (%2.0f%% of art file bytes)\n" 2340 "alignment_bytes = %8zd (%2.0f%% of art file bytes)\n\n", 2341 header_bytes, PercentOfFileBytes(header_bytes), 2342 object_bytes, PercentOfFileBytes(object_bytes), 2343 art_field_bytes, PercentOfFileBytes(art_field_bytes), 2344 art_method_bytes, PercentOfFileBytes(art_method_bytes), 2345 dex_cache_arrays_bytes, 2346 PercentOfFileBytes(dex_cache_arrays_bytes), 2347 interned_strings_bytes, 2348 PercentOfFileBytes(interned_strings_bytes), 2349 class_table_bytes, PercentOfFileBytes(class_table_bytes), 2350 bitmap_bytes, PercentOfFileBytes(bitmap_bytes), 2351 alignment_bytes, PercentOfFileBytes(alignment_bytes)) 2352 << std::flush; 2353 CHECK_EQ(file_bytes, 2354 header_bytes + object_bytes + art_field_bytes + art_method_bytes + 2355 dex_cache_arrays_bytes + interned_strings_bytes + class_table_bytes + 2356 bitmap_bytes + alignment_bytes); 2357 } 2358 2359 os << "object_bytes breakdown:\n"; 2360 size_t object_bytes_total = 0; 2361 for (const auto& sizes_and_count : sizes_and_counts) { 2362 const std::string& descriptor(sizes_and_count.first); 2363 double average = static_cast<double>(sizes_and_count.second.bytes) / 2364 static_cast<double>(sizes_and_count.second.count); 2365 double percent = PercentOfObjectBytes(sizes_and_count.second.bytes); 2366 os << StringPrintf("%32s %8zd bytes %6zd instances " 2367 "(%4.0f bytes/instance) %2.0f%% of object_bytes\n", 2368 descriptor.c_str(), sizes_and_count.second.bytes, 2369 sizes_and_count.second.count, average, percent); 2370 object_bytes_total += sizes_and_count.second.bytes; 2371 } 2372 os << "\n" << std::flush; 2373 CHECK_EQ(object_bytes, object_bytes_total); 2374 2375 os << StringPrintf("oat_file_bytes = %8zd\n" 2376 "managed_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 2377 "managed_to_native_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 2378 "native_to_managed_code_bytes = %8zd (%2.0f%% of oat file bytes)\n\n" 2379 "class_initializer_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 2380 "large_initializer_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 2381 "large_method_code_bytes = %8zd (%2.0f%% of oat file bytes)\n\n", 2382 oat_file_bytes, 2383 managed_code_bytes, 2384 PercentOfOatBytes(managed_code_bytes), 2385 managed_to_native_code_bytes, 2386 PercentOfOatBytes(managed_to_native_code_bytes), 2387 native_to_managed_code_bytes, 2388 PercentOfOatBytes(native_to_managed_code_bytes), 2389 class_initializer_code_bytes, 2390 PercentOfOatBytes(class_initializer_code_bytes), 2391 large_initializer_code_bytes, 2392 PercentOfOatBytes(large_initializer_code_bytes), 2393 large_method_code_bytes, 2394 PercentOfOatBytes(large_method_code_bytes)) 2395 << "DexFile sizes:\n"; 2396 for (const std::pair<std::string, size_t>& oat_dex_file_size : oat_dex_file_sizes) { 2397 os << StringPrintf("%s = %zd (%2.0f%% of oat file bytes)\n", 2398 oat_dex_file_size.first.c_str(), oat_dex_file_size.second, 2399 PercentOfOatBytes(oat_dex_file_size.second)); 2400 } 2401 2402 os << "\n" << StringPrintf("gc_map_bytes = %7zd (%2.0f%% of oat file bytes)\n" 2403 "pc_mapping_table_bytes = %7zd (%2.0f%% of oat file bytes)\n" 2404 "vmap_table_bytes = %7zd (%2.0f%% of oat file bytes)\n\n", 2405 gc_map_bytes, PercentOfOatBytes(gc_map_bytes), 2406 pc_mapping_table_bytes, PercentOfOatBytes(pc_mapping_table_bytes), 2407 vmap_table_bytes, PercentOfOatBytes(vmap_table_bytes)) 2408 << std::flush; 2409 2410 os << StringPrintf("dex_instruction_bytes = %zd\n", dex_instruction_bytes) 2411 << StringPrintf("managed_code_bytes expansion = %.2f (ignoring deduplication %.2f)\n\n", 2412 static_cast<double>(managed_code_bytes) / 2413 static_cast<double>(dex_instruction_bytes), 2414 static_cast<double>(managed_code_bytes_ignoring_deduplication) / 2415 static_cast<double>(dex_instruction_bytes)) 2416 << std::flush; 2417 2418 DumpOutliers(os); 2419 } 2420 } stats_; 2421 2422 private: 2423 enum { 2424 // Number of bytes for a constructor to be considered large. Based on the 1000 basic block 2425 // threshold, we assume 2 bytes per instruction and 2 instructions per block. 2426 kLargeConstructorDexBytes = 4000, 2427 // Number of bytes for a method to be considered large. Based on the 4000 basic block 2428 // threshold, we assume 2 bytes per instruction and 2 instructions per block. 2429 kLargeMethodDexBytes = 16000 2430 }; 2431 2432 // For performance, use the *os_ directly for anything that doesn't need indentation 2433 // and prepare an indentation stream with default indentation 1. 2434 std::ostream* os_; 2435 VariableIndentationOutputStream vios_; 2436 ScopedIndentation indent1_; 2437 2438 gc::space::ImageSpace& image_space_; 2439 const ImageHeader& image_header_; 2440 std::unique_ptr<OatDumper> oat_dumper_; 2441 OatDumperOptions* oat_dumper_options_; 2442 std::set<mirror::Object*> dex_caches_; 2443 2444 DISALLOW_COPY_AND_ASSIGN(ImageDumper); 2445}; 2446 2447static int DumpImage(Runtime* runtime, OatDumperOptions* options, std::ostream* os) { 2448 // Dumping the image, no explicit class loader. 2449 ScopedNullHandle<mirror::ClassLoader> null_class_loader; 2450 options->class_loader_ = &null_class_loader; 2451 2452 ScopedObjectAccess soa(Thread::Current()); 2453 gc::Heap* heap = runtime->GetHeap(); 2454 std::vector<gc::space::ImageSpace*> image_spaces = heap->GetBootImageSpaces(); 2455 CHECK(!image_spaces.empty()); 2456 for (gc::space::ImageSpace* image_space : image_spaces) { 2457 const ImageHeader& image_header = image_space->GetImageHeader(); 2458 if (!image_header.IsValid()) { 2459 fprintf(stderr, "Invalid image header %s\n", image_space->GetImageLocation().c_str()); 2460 return EXIT_FAILURE; 2461 } 2462 2463 ImageDumper image_dumper(os, *image_space, image_header, options); 2464 if (!image_dumper.Dump()) { 2465 return EXIT_FAILURE; 2466 } 2467 } 2468 return EXIT_SUCCESS; 2469} 2470 2471static int DumpOatWithRuntime(Runtime* runtime, OatFile* oat_file, OatDumperOptions* options, 2472 std::ostream* os) { 2473 CHECK(runtime != nullptr && oat_file != nullptr && options != nullptr); 2474 2475 Thread* self = Thread::Current(); 2476 CHECK(self != nullptr); 2477 // Need well-known-classes. 2478 WellKnownClasses::Init(self->GetJniEnv()); 2479 2480 // Need to register dex files to get a working dex cache. 2481 ScopedObjectAccess soa(self); 2482 ClassLinker* class_linker = runtime->GetClassLinker(); 2483 runtime->GetOatFileManager().RegisterOatFile(std::unique_ptr<const OatFile>(oat_file)); 2484 std::vector<const DexFile*> class_path; 2485 for (const OatFile::OatDexFile* odf : oat_file->GetOatDexFiles()) { 2486 std::string error_msg; 2487 const DexFile* const dex_file = OpenDexFile(odf, &error_msg); 2488 CHECK(dex_file != nullptr) << error_msg; 2489 class_linker->RegisterDexFile(*dex_file, runtime->GetLinearAlloc()); 2490 class_path.push_back(dex_file); 2491 } 2492 2493 // Need a class loader. 2494 // Fake that we're a compiler. 2495 jobject class_loader = class_linker->CreatePathClassLoader(self, class_path); 2496 2497 // Use the class loader while dumping. 2498 StackHandleScope<1> scope(self); 2499 Handle<mirror::ClassLoader> loader_handle = scope.NewHandle( 2500 soa.Decode<mirror::ClassLoader*>(class_loader)); 2501 options->class_loader_ = &loader_handle; 2502 2503 OatDumper oat_dumper(*oat_file, *options); 2504 bool success = oat_dumper.Dump(*os); 2505 return (success) ? EXIT_SUCCESS : EXIT_FAILURE; 2506} 2507 2508static int DumpOatWithoutRuntime(OatFile* oat_file, OatDumperOptions* options, std::ostream* os) { 2509 CHECK(oat_file != nullptr && options != nullptr); 2510 // No image = no class loader. 2511 ScopedNullHandle<mirror::ClassLoader> null_class_loader; 2512 options->class_loader_ = &null_class_loader; 2513 2514 OatDumper oat_dumper(*oat_file, *options); 2515 bool success = oat_dumper.Dump(*os); 2516 return (success) ? EXIT_SUCCESS : EXIT_FAILURE; 2517} 2518 2519static int DumpOat(Runtime* runtime, const char* oat_filename, OatDumperOptions* options, 2520 std::ostream* os) { 2521 std::string error_msg; 2522 OatFile* oat_file = OatFile::Open(oat_filename, oat_filename, nullptr, nullptr, false, 2523 nullptr, &error_msg); 2524 if (oat_file == nullptr) { 2525 fprintf(stderr, "Failed to open oat file from '%s': %s\n", oat_filename, error_msg.c_str()); 2526 return EXIT_FAILURE; 2527 } 2528 2529 if (runtime != nullptr) { 2530 return DumpOatWithRuntime(runtime, oat_file, options, os); 2531 } else { 2532 return DumpOatWithoutRuntime(oat_file, options, os); 2533 } 2534} 2535 2536static int SymbolizeOat(const char* oat_filename, std::string& output_name) { 2537 std::string error_msg; 2538 OatFile* oat_file = OatFile::Open(oat_filename, oat_filename, nullptr, nullptr, false, 2539 nullptr, &error_msg); 2540 if (oat_file == nullptr) { 2541 fprintf(stderr, "Failed to open oat file from '%s': %s\n", oat_filename, error_msg.c_str()); 2542 return EXIT_FAILURE; 2543 } 2544 2545 OatSymbolizer oat_symbolizer(oat_file, output_name); 2546 if (!oat_symbolizer.Symbolize()) { 2547 fprintf(stderr, "Failed to symbolize\n"); 2548 return EXIT_FAILURE; 2549 } 2550 2551 return EXIT_SUCCESS; 2552} 2553 2554struct OatdumpArgs : public CmdlineArgs { 2555 protected: 2556 using Base = CmdlineArgs; 2557 2558 virtual ParseStatus ParseCustom(const StringPiece& option, 2559 std::string* error_msg) OVERRIDE { 2560 { 2561 ParseStatus base_parse = Base::ParseCustom(option, error_msg); 2562 if (base_parse != kParseUnknownArgument) { 2563 return base_parse; 2564 } 2565 } 2566 2567 if (option.starts_with("--oat-file=")) { 2568 oat_filename_ = option.substr(strlen("--oat-file=")).data(); 2569 } else if (option.starts_with("--image=")) { 2570 image_location_ = option.substr(strlen("--image=")).data(); 2571 } else if (option =="--dump:raw_mapping_table") { 2572 dump_raw_mapping_table_ = true; 2573 } else if (option == "--dump:raw_gc_map") { 2574 dump_raw_gc_map_ = true; 2575 } else if (option == "--no-dump:vmap") { 2576 dump_vmap_ = false; 2577 } else if (option =="--dump:code_info_stack_maps") { 2578 dump_code_info_stack_maps_ = true; 2579 } else if (option == "--no-disassemble") { 2580 disassemble_code_ = false; 2581 } else if (option =="--header-only") { 2582 dump_header_only_ = true; 2583 } else if (option.starts_with("--symbolize=")) { 2584 oat_filename_ = option.substr(strlen("--symbolize=")).data(); 2585 symbolize_ = true; 2586 } else if (option.starts_with("--class-filter=")) { 2587 class_filter_ = option.substr(strlen("--class-filter=")).data(); 2588 } else if (option.starts_with("--method-filter=")) { 2589 method_filter_ = option.substr(strlen("--method-filter=")).data(); 2590 } else if (option.starts_with("--list-classes")) { 2591 list_classes_ = true; 2592 } else if (option.starts_with("--list-methods")) { 2593 list_methods_ = true; 2594 } else if (option.starts_with("--export-dex-to=")) { 2595 export_dex_location_ = option.substr(strlen("--export-dex-to=")).data(); 2596 } else if (option.starts_with("--addr2instr=")) { 2597 if (!ParseUint(option.substr(strlen("--addr2instr=")).data(), &addr2instr_)) { 2598 *error_msg = "Address conversion failed"; 2599 return kParseError; 2600 } 2601 } else { 2602 return kParseUnknownArgument; 2603 } 2604 2605 return kParseOk; 2606 } 2607 2608 virtual ParseStatus ParseChecks(std::string* error_msg) OVERRIDE { 2609 // Infer boot image location from the image location if possible. 2610 if (boot_image_location_ == nullptr) { 2611 boot_image_location_ = image_location_; 2612 } 2613 2614 // Perform the parent checks. 2615 ParseStatus parent_checks = Base::ParseChecks(error_msg); 2616 if (parent_checks != kParseOk) { 2617 return parent_checks; 2618 } 2619 2620 // Perform our own checks. 2621 if (image_location_ == nullptr && oat_filename_ == nullptr) { 2622 *error_msg = "Either --image or --oat-file must be specified"; 2623 return kParseError; 2624 } else if (image_location_ != nullptr && oat_filename_ != nullptr) { 2625 *error_msg = "Either --image or --oat-file must be specified but not both"; 2626 return kParseError; 2627 } 2628 2629 return kParseOk; 2630 } 2631 2632 virtual std::string GetUsage() const { 2633 std::string usage; 2634 2635 usage += 2636 "Usage: oatdump [options] ...\n" 2637 " Example: oatdump --image=$ANDROID_PRODUCT_OUT/system/framework/boot.art\n" 2638 " Example: adb shell oatdump --image=/system/framework/boot.art\n" 2639 "\n" 2640 // Either oat-file or image is required. 2641 " --oat-file=<file.oat>: specifies an input oat filename.\n" 2642 " Example: --oat-file=/system/framework/boot.oat\n" 2643 "\n" 2644 " --image=<file.art>: specifies an input image location.\n" 2645 " Example: --image=/system/framework/boot.art\n" 2646 "\n"; 2647 2648 usage += Base::GetUsage(); 2649 2650 usage += // Optional. 2651 " --dump:raw_mapping_table enables dumping of the mapping table.\n" 2652 " Example: --dump:raw_mapping_table\n" 2653 "\n" 2654 " --dump:raw_gc_map enables dumping of the GC map.\n" 2655 " Example: --dump:raw_gc_map\n" 2656 "\n" 2657 " --no-dump:vmap may be used to disable vmap dumping.\n" 2658 " Example: --no-dump:vmap\n" 2659 "\n" 2660 " --dump:code_info_stack_maps enables dumping of stack maps in CodeInfo sections.\n" 2661 " Example: --dump:code_info_stack_maps\n" 2662 "\n" 2663 " --no-disassemble may be used to disable disassembly.\n" 2664 " Example: --no-disassemble\n" 2665 "\n" 2666 " --header-only may be used to print only the oat header.\n" 2667 " Example: --header-only\n" 2668 "\n" 2669 " --list-classes may be used to list target file classes (can be used with filters).\n" 2670 " Example: --list-classes\n" 2671 " Example: --list-classes --class-filter=com.example.foo\n" 2672 "\n" 2673 " --list-methods may be used to list target file methods (can be used with filters).\n" 2674 " Example: --list-methods\n" 2675 " Example: --list-methods --class-filter=com.example --method-filter=foo\n" 2676 "\n" 2677 " --symbolize=<file.oat>: output a copy of file.oat with elf symbols included.\n" 2678 " Example: --symbolize=/system/framework/boot.oat\n" 2679 "\n" 2680 " --class-filter=<class name>: only dumps classes that contain the filter.\n" 2681 " Example: --class-filter=com.example.foo\n" 2682 "\n" 2683 " --method-filter=<method name>: only dumps methods that contain the filter.\n" 2684 " Example: --method-filter=foo\n" 2685 "\n" 2686 " --export-dex-to=<directory>: may be used to export oat embedded dex files.\n" 2687 " Example: --export-dex-to=/data/local/tmp\n" 2688 "\n" 2689 " --addr2instr=<address>: output matching method disassembled code from relative\n" 2690 " address (e.g. PC from crash dump)\n" 2691 " Example: --addr2instr=0x00001a3b\n" 2692 "\n"; 2693 2694 return usage; 2695 } 2696 2697 public: 2698 const char* oat_filename_ = nullptr; 2699 const char* class_filter_ = ""; 2700 const char* method_filter_ = ""; 2701 const char* image_location_ = nullptr; 2702 std::string elf_filename_prefix_; 2703 bool dump_raw_mapping_table_ = false; 2704 bool dump_raw_gc_map_ = false; 2705 bool dump_vmap_ = true; 2706 bool dump_code_info_stack_maps_ = false; 2707 bool disassemble_code_ = true; 2708 bool symbolize_ = false; 2709 bool list_classes_ = false; 2710 bool list_methods_ = false; 2711 bool dump_header_only_ = false; 2712 uint32_t addr2instr_ = 0; 2713 const char* export_dex_location_ = nullptr; 2714}; 2715 2716struct OatdumpMain : public CmdlineMain<OatdumpArgs> { 2717 virtual bool NeedsRuntime() OVERRIDE { 2718 CHECK(args_ != nullptr); 2719 2720 // If we are only doing the oat file, disable absolute_addresses. Keep them for image dumping. 2721 bool absolute_addresses = (args_->oat_filename_ == nullptr); 2722 2723 oat_dumper_options_ = std::unique_ptr<OatDumperOptions>(new OatDumperOptions( 2724 args_->dump_raw_mapping_table_, 2725 args_->dump_raw_gc_map_, 2726 args_->dump_vmap_, 2727 args_->dump_code_info_stack_maps_, 2728 args_->disassemble_code_, 2729 absolute_addresses, 2730 args_->class_filter_, 2731 args_->method_filter_, 2732 args_->list_classes_, 2733 args_->list_methods_, 2734 args_->dump_header_only_, 2735 args_->export_dex_location_, 2736 args_->addr2instr_)); 2737 2738 return (args_->boot_image_location_ != nullptr || args_->image_location_ != nullptr) && 2739 !args_->symbolize_; 2740 } 2741 2742 virtual bool ExecuteWithoutRuntime() OVERRIDE { 2743 CHECK(args_ != nullptr); 2744 CHECK(args_->oat_filename_ != nullptr); 2745 2746 MemMap::Init(); 2747 2748 if (args_->symbolize_) { 2749 return SymbolizeOat(args_->oat_filename_, args_->output_name_) == EXIT_SUCCESS; 2750 } else { 2751 return DumpOat(nullptr, 2752 args_->oat_filename_, 2753 oat_dumper_options_.get(), 2754 args_->os_) == EXIT_SUCCESS; 2755 } 2756 } 2757 2758 virtual bool ExecuteWithRuntime(Runtime* runtime) { 2759 CHECK(args_ != nullptr); 2760 2761 if (args_->oat_filename_ != nullptr) { 2762 return DumpOat(runtime, 2763 args_->oat_filename_, 2764 oat_dumper_options_.get(), 2765 args_->os_) == EXIT_SUCCESS; 2766 } 2767 2768 return DumpImage(runtime, oat_dumper_options_.get(), args_->os_) == EXIT_SUCCESS; 2769 } 2770 2771 std::unique_ptr<OatDumperOptions> oat_dumper_options_; 2772}; 2773 2774} // namespace art 2775 2776int main(int argc, char** argv) { 2777 art::OatdumpMain main; 2778 return main.Main(argc, argv); 2779} 2780