oatdump.cc revision 316a2186b7fa9e03187d45ac0fa320f4dff1f3df
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 const InstructionSetFeatures* features = InstructionSetFeatures::FromBitmap( 119 isa, oat_file_->GetOatHeader().GetInstructionSetFeaturesBitmap()); 120 121 File* elf_file = OS::CreateEmptyFile(output_name_.c_str()); 122 std::unique_ptr<BufferedOutputStream> output_stream( 123 MakeUnique<BufferedOutputStream>(MakeUnique<FileOutputStream>(elf_file))); 124 builder_.reset(new ElfBuilder<ElfTypes32>(isa, features, output_stream.get())); 125 126 builder_->Start(); 127 128 auto* rodata = builder_->GetRoData(); 129 auto* text = builder_->GetText(); 130 auto* bss = builder_->GetBss(); 131 auto* strtab = builder_->GetStrTab(); 132 auto* symtab = builder_->GetSymTab(); 133 134 rodata->Start(); 135 const uint8_t* rodata_begin = oat_file_->Begin(); 136 const size_t rodata_size = oat_file_->GetOatHeader().GetExecutableOffset(); 137 rodata->WriteFully(rodata_begin, rodata_size); 138 rodata->End(); 139 140 text->Start(); 141 const uint8_t* text_begin = oat_file_->Begin() + rodata_size; 142 const size_t text_size = oat_file_->End() - text_begin; 143 text->WriteFully(text_begin, text_size); 144 text->End(); 145 146 if (oat_file_->BssSize() != 0) { 147 bss->WriteNoBitsSection(oat_file_->BssSize()); 148 } 149 150 if (isa == kMips || isa == kMips64) { 151 builder_->WriteMIPSabiflagsSection(); 152 } 153 builder_->PrepareDynamicSection( 154 elf_file->GetPath(), rodata_size, text_size, oat_file_->BssSize()); 155 builder_->WriteDynamicSection(); 156 157 Walk(&art::OatSymbolizer::RegisterForDedup); 158 159 NormalizeState(); 160 161 strtab->Start(); 162 strtab->Write(""); // strtab should start with empty string. 163 AddTrampolineSymbols(); 164 Walk(&art::OatSymbolizer::AddSymbol); 165 strtab->End(); 166 167 symtab->Start(); 168 symtab->Write(); 169 symtab->End(); 170 171 builder_->End(); 172 173 return builder_->Good(); 174 } 175 176 void AddTrampolineSymbol(const char* name, uint32_t code_offset) { 177 if (code_offset != 0) { 178 uint32_t name_offset = builder_->GetStrTab()->Write(name); 179 uint64_t symbol_value = code_offset - oat_file_->GetOatHeader().GetExecutableOffset(); 180 // Specifying 0 as the symbol size means that the symbol lasts until the next symbol or until 181 // the end of the section in case of the last symbol. 182 builder_->GetSymTab()->Add(name_offset, builder_->GetText(), symbol_value, 183 /* is_relative */ true, /* size */ 0, STB_GLOBAL, STT_FUNC); 184 } 185 } 186 187 void AddTrampolineSymbols() { 188 const OatHeader& oat_header = oat_file_->GetOatHeader(); 189 AddTrampolineSymbol("interpreterToInterpreterBridge", 190 oat_header.GetInterpreterToInterpreterBridgeOffset()); 191 AddTrampolineSymbol("interpreterToCompiledCodeBridge", 192 oat_header.GetInterpreterToCompiledCodeBridgeOffset()); 193 AddTrampolineSymbol("jniDlsymLookup", 194 oat_header.GetJniDlsymLookupOffset()); 195 AddTrampolineSymbol("quickGenericJniTrampoline", 196 oat_header.GetQuickGenericJniTrampolineOffset()); 197 AddTrampolineSymbol("quickImtConflictTrampoline", 198 oat_header.GetQuickImtConflictTrampolineOffset()); 199 AddTrampolineSymbol("quickResolutionTrampoline", 200 oat_header.GetQuickResolutionTrampolineOffset()); 201 AddTrampolineSymbol("quickToInterpreterBridge", 202 oat_header.GetQuickToInterpreterBridgeOffset()); 203 } 204 205 void Walk(Callback callback) { 206 std::vector<const OatFile::OatDexFile*> oat_dex_files = oat_file_->GetOatDexFiles(); 207 for (size_t i = 0; i < oat_dex_files.size(); i++) { 208 const OatFile::OatDexFile* oat_dex_file = oat_dex_files[i]; 209 CHECK(oat_dex_file != nullptr); 210 WalkOatDexFile(oat_dex_file, callback); 211 } 212 } 213 214 void WalkOatDexFile(const OatFile::OatDexFile* oat_dex_file, Callback callback) { 215 std::string error_msg; 216 const DexFile* const dex_file = OpenDexFile(oat_dex_file, &error_msg); 217 if (dex_file == nullptr) { 218 return; 219 } 220 for (size_t class_def_index = 0; 221 class_def_index < dex_file->NumClassDefs(); 222 class_def_index++) { 223 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); 224 const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(class_def_index); 225 OatClassType type = oat_class.GetType(); 226 switch (type) { 227 case kOatClassAllCompiled: 228 case kOatClassSomeCompiled: 229 WalkOatClass(oat_class, *dex_file, class_def, callback); 230 break; 231 232 case kOatClassNoneCompiled: 233 case kOatClassMax: 234 // Ignore. 235 break; 236 } 237 } 238 } 239 240 void WalkOatClass(const OatFile::OatClass& oat_class, const DexFile& dex_file, 241 const DexFile::ClassDef& class_def, Callback callback) { 242 const uint8_t* class_data = dex_file.GetClassData(class_def); 243 if (class_data == nullptr) { // empty class such as a marker interface? 244 return; 245 } 246 // Note: even if this is an interface or a native class, we still have to walk it, as there 247 // might be a static initializer. 248 ClassDataItemIterator it(dex_file, class_data); 249 SkipAllFields(&it); 250 uint32_t class_method_idx = 0; 251 while (it.HasNextDirectMethod()) { 252 const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_idx); 253 WalkOatMethod(class_def, class_method_idx, oat_method, dex_file, it.GetMemberIndex(), 254 it.GetMethodCodeItem(), it.GetMethodAccessFlags(), callback); 255 class_method_idx++; 256 it.Next(); 257 } 258 while (it.HasNextVirtualMethod()) { 259 const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_idx); 260 WalkOatMethod(class_def, class_method_idx, oat_method, dex_file, it.GetMemberIndex(), 261 it.GetMethodCodeItem(), it.GetMethodAccessFlags(), callback); 262 class_method_idx++; 263 it.Next(); 264 } 265 DCHECK(!it.HasNext()); 266 } 267 268 void WalkOatMethod(const DexFile::ClassDef& class_def, uint32_t class_method_index, 269 const OatFile::OatMethod& oat_method, const DexFile& dex_file, 270 uint32_t dex_method_idx, const DexFile::CodeItem* code_item, 271 uint32_t method_access_flags, Callback callback) { 272 if ((method_access_flags & kAccAbstract) != 0) { 273 // Abstract method, no code. 274 return; 275 } 276 if (oat_method.GetCodeOffset() == 0) { 277 // No code. 278 return; 279 } 280 281 (this->*callback)(class_def, class_method_index, oat_method, dex_file, dex_method_idx, code_item, 282 method_access_flags); 283 } 284 285 void RegisterForDedup(const DexFile::ClassDef& class_def ATTRIBUTE_UNUSED, 286 uint32_t class_method_index ATTRIBUTE_UNUSED, 287 const OatFile::OatMethod& oat_method, 288 const DexFile& dex_file ATTRIBUTE_UNUSED, 289 uint32_t dex_method_idx ATTRIBUTE_UNUSED, 290 const DexFile::CodeItem* code_item ATTRIBUTE_UNUSED, 291 uint32_t method_access_flags ATTRIBUTE_UNUSED) { 292 state_[oat_method.GetCodeOffset()]++; 293 } 294 295 void NormalizeState() { 296 for (auto& x : state_) { 297 if (x.second == 1) { 298 state_[x.first] = 0; 299 } 300 } 301 } 302 303 enum class DedupState { // private 304 kNotDeduplicated, 305 kDeduplicatedFirst, 306 kDeduplicatedOther 307 }; 308 DedupState IsDuplicated(uint32_t offset) { 309 if (state_[offset] == 0) { 310 return DedupState::kNotDeduplicated; 311 } 312 if (state_[offset] == 1) { 313 return DedupState::kDeduplicatedOther; 314 } 315 state_[offset] = 1; 316 return DedupState::kDeduplicatedFirst; 317 } 318 319 void AddSymbol(const DexFile::ClassDef& class_def ATTRIBUTE_UNUSED, 320 uint32_t class_method_index ATTRIBUTE_UNUSED, 321 const OatFile::OatMethod& oat_method, 322 const DexFile& dex_file, 323 uint32_t dex_method_idx, 324 const DexFile::CodeItem* code_item ATTRIBUTE_UNUSED, 325 uint32_t method_access_flags ATTRIBUTE_UNUSED) { 326 DedupState dedup = IsDuplicated(oat_method.GetCodeOffset()); 327 if (dedup != DedupState::kDeduplicatedOther) { 328 std::string pretty_name = PrettyMethod(dex_method_idx, dex_file, true); 329 330 if (dedup == DedupState::kDeduplicatedFirst) { 331 pretty_name = "[Dedup]" + pretty_name; 332 } 333 334 int name_offset = builder_->GetStrTab()->Write(pretty_name); 335 builder_->GetSymTab()->Add(name_offset, builder_->GetText(), 336 oat_method.GetCodeOffset() - oat_file_->GetOatHeader().GetExecutableOffset(), 337 true, oat_method.GetQuickCodeSize(), STB_GLOBAL, STT_FUNC); 338 } 339 } 340 341 private: 342 static void SkipAllFields(ClassDataItemIterator* it) { 343 while (it->HasNextStaticField()) { 344 it->Next(); 345 } 346 while (it->HasNextInstanceField()) { 347 it->Next(); 348 } 349 } 350 351 const OatFile* oat_file_; 352 std::unique_ptr<ElfBuilder<ElfTypes32> > builder_; 353 std::unordered_map<uint32_t, uint32_t> state_; 354 const std::string output_name_; 355}; 356 357class OatDumperOptions { 358 public: 359 OatDumperOptions(bool dump_raw_mapping_table, 360 bool dump_raw_gc_map, 361 bool dump_vmap, 362 bool dump_code_info_stack_maps, 363 bool disassemble_code, 364 bool absolute_addresses, 365 const char* class_filter, 366 const char* method_filter, 367 bool list_classes, 368 bool list_methods, 369 bool dump_header_only, 370 const char* export_dex_location, 371 uint32_t addr2instr) 372 : dump_raw_mapping_table_(dump_raw_mapping_table), 373 dump_raw_gc_map_(dump_raw_gc_map), 374 dump_vmap_(dump_vmap), 375 dump_code_info_stack_maps_(dump_code_info_stack_maps), 376 disassemble_code_(disassemble_code), 377 absolute_addresses_(absolute_addresses), 378 class_filter_(class_filter), 379 method_filter_(method_filter), 380 list_classes_(list_classes), 381 list_methods_(list_methods), 382 dump_header_only_(dump_header_only), 383 export_dex_location_(export_dex_location), 384 addr2instr_(addr2instr), 385 class_loader_(nullptr) {} 386 387 const bool dump_raw_mapping_table_; 388 const bool dump_raw_gc_map_; 389 const bool dump_vmap_; 390 const bool dump_code_info_stack_maps_; 391 const bool disassemble_code_; 392 const bool absolute_addresses_; 393 const char* const class_filter_; 394 const char* const method_filter_; 395 const bool list_classes_; 396 const bool list_methods_; 397 const bool dump_header_only_; 398 const char* const export_dex_location_; 399 uint32_t addr2instr_; 400 Handle<mirror::ClassLoader>* class_loader_; 401}; 402 403class OatDumper { 404 public: 405 OatDumper(const OatFile& oat_file, const OatDumperOptions& options) 406 : oat_file_(oat_file), 407 oat_dex_files_(oat_file.GetOatDexFiles()), 408 options_(options), 409 resolved_addr2instr_(0), 410 instruction_set_(oat_file_.GetOatHeader().GetInstructionSet()), 411 disassembler_(Disassembler::Create(instruction_set_, 412 new DisassemblerOptions(options_.absolute_addresses_, 413 oat_file.Begin(), 414 true /* can_read_literals_ */))) { 415 CHECK(options_.class_loader_ != nullptr); 416 CHECK(options_.class_filter_ != nullptr); 417 CHECK(options_.method_filter_ != nullptr); 418 AddAllOffsets(); 419 } 420 421 ~OatDumper() { 422 delete disassembler_; 423 } 424 425 InstructionSet GetInstructionSet() { 426 return instruction_set_; 427 } 428 429 bool Dump(std::ostream& os) { 430 bool success = true; 431 const OatHeader& oat_header = oat_file_.GetOatHeader(); 432 433 os << "MAGIC:\n"; 434 os << oat_header.GetMagic() << "\n\n"; 435 436 os << "LOCATION:\n"; 437 os << oat_file_.GetLocation() << "\n\n"; 438 439 os << "CHECKSUM:\n"; 440 os << StringPrintf("0x%08x\n\n", oat_header.GetChecksum()); 441 442 os << "INSTRUCTION SET:\n"; 443 os << oat_header.GetInstructionSet() << "\n\n"; 444 445 { 446 std::unique_ptr<const InstructionSetFeatures> features( 447 InstructionSetFeatures::FromBitmap(oat_header.GetInstructionSet(), 448 oat_header.GetInstructionSetFeaturesBitmap())); 449 os << "INSTRUCTION SET FEATURES:\n"; 450 os << features->GetFeatureString() << "\n\n"; 451 } 452 453 os << "DEX FILE COUNT:\n"; 454 os << oat_header.GetDexFileCount() << "\n\n"; 455 456#define DUMP_OAT_HEADER_OFFSET(label, offset) \ 457 os << label " OFFSET:\n"; \ 458 os << StringPrintf("0x%08x", oat_header.offset()); \ 459 if (oat_header.offset() != 0 && options_.absolute_addresses_) { \ 460 os << StringPrintf(" (%p)", oat_file_.Begin() + oat_header.offset()); \ 461 } \ 462 os << StringPrintf("\n\n"); 463 464 DUMP_OAT_HEADER_OFFSET("EXECUTABLE", GetExecutableOffset); 465 DUMP_OAT_HEADER_OFFSET("INTERPRETER TO INTERPRETER BRIDGE", 466 GetInterpreterToInterpreterBridgeOffset); 467 DUMP_OAT_HEADER_OFFSET("INTERPRETER TO COMPILED CODE BRIDGE", 468 GetInterpreterToCompiledCodeBridgeOffset); 469 DUMP_OAT_HEADER_OFFSET("JNI DLSYM LOOKUP", 470 GetJniDlsymLookupOffset); 471 DUMP_OAT_HEADER_OFFSET("QUICK GENERIC JNI TRAMPOLINE", 472 GetQuickGenericJniTrampolineOffset); 473 DUMP_OAT_HEADER_OFFSET("QUICK IMT CONFLICT TRAMPOLINE", 474 GetQuickImtConflictTrampolineOffset); 475 DUMP_OAT_HEADER_OFFSET("QUICK RESOLUTION TRAMPOLINE", 476 GetQuickResolutionTrampolineOffset); 477 DUMP_OAT_HEADER_OFFSET("QUICK TO INTERPRETER BRIDGE", 478 GetQuickToInterpreterBridgeOffset); 479#undef DUMP_OAT_HEADER_OFFSET 480 481 os << "IMAGE PATCH DELTA:\n"; 482 os << StringPrintf("%d (0x%08x)\n\n", 483 oat_header.GetImagePatchDelta(), 484 oat_header.GetImagePatchDelta()); 485 486 os << "IMAGE FILE LOCATION OAT CHECKSUM:\n"; 487 os << StringPrintf("0x%08x\n\n", oat_header.GetImageFileLocationOatChecksum()); 488 489 os << "IMAGE FILE LOCATION OAT BEGIN:\n"; 490 os << StringPrintf("0x%08x\n\n", oat_header.GetImageFileLocationOatDataBegin()); 491 492 // Print the key-value store. 493 { 494 os << "KEY VALUE STORE:\n"; 495 size_t index = 0; 496 const char* key; 497 const char* value; 498 while (oat_header.GetStoreKeyValuePairByIndex(index, &key, &value)) { 499 os << key << " = " << value << "\n"; 500 index++; 501 } 502 os << "\n"; 503 } 504 505 if (options_.absolute_addresses_) { 506 os << "BEGIN:\n"; 507 os << reinterpret_cast<const void*>(oat_file_.Begin()) << "\n\n"; 508 509 os << "END:\n"; 510 os << reinterpret_cast<const void*>(oat_file_.End()) << "\n\n"; 511 } 512 513 os << "SIZE:\n"; 514 os << oat_file_.Size() << "\n\n"; 515 516 os << std::flush; 517 518 // If set, adjust relative address to be searched 519 if (options_.addr2instr_ != 0) { 520 resolved_addr2instr_ = options_.addr2instr_ + oat_header.GetExecutableOffset(); 521 os << "SEARCH ADDRESS (executable offset + input):\n"; 522 os << StringPrintf("0x%08x\n\n", resolved_addr2instr_); 523 } 524 525 if (!options_.dump_header_only_) { 526 for (size_t i = 0; i < oat_dex_files_.size(); i++) { 527 const OatFile::OatDexFile* oat_dex_file = oat_dex_files_[i]; 528 CHECK(oat_dex_file != nullptr); 529 530 // If file export selected skip file analysis 531 if (options_.export_dex_location_) { 532 if (!ExportDexFile(os, *oat_dex_file)) { 533 success = false; 534 } 535 } else { 536 if (!DumpOatDexFile(os, *oat_dex_file)) { 537 success = false; 538 } 539 } 540 } 541 } 542 543 os << std::flush; 544 return success; 545 } 546 547 size_t ComputeSize(const void* oat_data) { 548 if (reinterpret_cast<const uint8_t*>(oat_data) < oat_file_.Begin() || 549 reinterpret_cast<const uint8_t*>(oat_data) > oat_file_.End()) { 550 return 0; // Address not in oat file 551 } 552 uintptr_t begin_offset = reinterpret_cast<uintptr_t>(oat_data) - 553 reinterpret_cast<uintptr_t>(oat_file_.Begin()); 554 auto it = offsets_.upper_bound(begin_offset); 555 CHECK(it != offsets_.end()); 556 uintptr_t end_offset = *it; 557 return end_offset - begin_offset; 558 } 559 560 InstructionSet GetOatInstructionSet() { 561 return oat_file_.GetOatHeader().GetInstructionSet(); 562 } 563 564 const void* GetQuickOatCode(ArtMethod* m) SHARED_REQUIRES(Locks::mutator_lock_) { 565 for (size_t i = 0; i < oat_dex_files_.size(); i++) { 566 const OatFile::OatDexFile* oat_dex_file = oat_dex_files_[i]; 567 CHECK(oat_dex_file != nullptr); 568 std::string error_msg; 569 const DexFile* const dex_file = OpenDexFile(oat_dex_file, &error_msg); 570 if (dex_file == nullptr) { 571 LOG(WARNING) << "Failed to open dex file '" << oat_dex_file->GetDexFileLocation() 572 << "': " << error_msg; 573 } else { 574 const char* descriptor = m->GetDeclaringClassDescriptor(); 575 const DexFile::ClassDef* class_def = 576 dex_file->FindClassDef(descriptor, ComputeModifiedUtf8Hash(descriptor)); 577 if (class_def != nullptr) { 578 uint16_t class_def_index = dex_file->GetIndexForClassDef(*class_def); 579 const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(class_def_index); 580 size_t method_index = m->GetMethodIndex(); 581 return oat_class.GetOatMethod(method_index).GetQuickCode(); 582 } 583 } 584 } 585 return nullptr; 586 } 587 588 private: 589 void AddAllOffsets() { 590 // We don't know the length of the code for each method, but we need to know where to stop 591 // when disassembling. What we do know is that a region of code will be followed by some other 592 // region, so if we keep a sorted sequence of the start of each region, we can infer the length 593 // of a piece of code by using upper_bound to find the start of the next region. 594 for (size_t i = 0; i < oat_dex_files_.size(); i++) { 595 const OatFile::OatDexFile* oat_dex_file = oat_dex_files_[i]; 596 CHECK(oat_dex_file != nullptr); 597 std::string error_msg; 598 const DexFile* const dex_file = OpenDexFile(oat_dex_file, &error_msg); 599 if (dex_file == nullptr) { 600 LOG(WARNING) << "Failed to open dex file '" << oat_dex_file->GetDexFileLocation() 601 << "': " << error_msg; 602 continue; 603 } 604 offsets_.insert(reinterpret_cast<uintptr_t>(&dex_file->GetHeader())); 605 for (size_t class_def_index = 0; 606 class_def_index < dex_file->NumClassDefs(); 607 class_def_index++) { 608 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); 609 const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(class_def_index); 610 const uint8_t* class_data = dex_file->GetClassData(class_def); 611 if (class_data != nullptr) { 612 ClassDataItemIterator it(*dex_file, class_data); 613 SkipAllFields(it); 614 uint32_t class_method_index = 0; 615 while (it.HasNextDirectMethod()) { 616 AddOffsets(oat_class.GetOatMethod(class_method_index++)); 617 it.Next(); 618 } 619 while (it.HasNextVirtualMethod()) { 620 AddOffsets(oat_class.GetOatMethod(class_method_index++)); 621 it.Next(); 622 } 623 } 624 } 625 } 626 627 // If the last thing in the file is code for a method, there won't be an offset for the "next" 628 // thing. Instead of having a special case in the upper_bound code, let's just add an entry 629 // for the end of the file. 630 offsets_.insert(oat_file_.Size()); 631 } 632 633 static uint32_t AlignCodeOffset(uint32_t maybe_thumb_offset) { 634 return maybe_thumb_offset & ~0x1; // TODO: Make this Thumb2 specific. 635 } 636 637 void AddOffsets(const OatFile::OatMethod& oat_method) { 638 uint32_t code_offset = oat_method.GetCodeOffset(); 639 if (oat_file_.GetOatHeader().GetInstructionSet() == kThumb2) { 640 code_offset &= ~0x1; 641 } 642 offsets_.insert(code_offset); 643 offsets_.insert(oat_method.GetMappingTableOffset()); 644 offsets_.insert(oat_method.GetVmapTableOffset()); 645 offsets_.insert(oat_method.GetGcMapOffset()); 646 } 647 648 bool DumpOatDexFile(std::ostream& os, const OatFile::OatDexFile& oat_dex_file) { 649 bool success = true; 650 bool stop_analysis = false; 651 os << "OatDexFile:\n"; 652 os << StringPrintf("location: %s\n", oat_dex_file.GetDexFileLocation().c_str()); 653 os << StringPrintf("checksum: 0x%08x\n", oat_dex_file.GetDexFileLocationChecksum()); 654 655 // Create the verifier early. 656 657 std::string error_msg; 658 const DexFile* const dex_file = OpenDexFile(&oat_dex_file, &error_msg); 659 if (dex_file == nullptr) { 660 os << "NOT FOUND: " << error_msg << "\n\n"; 661 os << std::flush; 662 return false; 663 } 664 665 VariableIndentationOutputStream vios(&os); 666 ScopedIndentation indent1(&vios); 667 for (size_t class_def_index = 0; 668 class_def_index < dex_file->NumClassDefs(); 669 class_def_index++) { 670 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); 671 const char* descriptor = dex_file->GetClassDescriptor(class_def); 672 673 // TODO: Support regex 674 if (DescriptorToDot(descriptor).find(options_.class_filter_) == std::string::npos) { 675 continue; 676 } 677 678 uint32_t oat_class_offset = oat_dex_file.GetOatClassOffset(class_def_index); 679 const OatFile::OatClass oat_class = oat_dex_file.GetOatClass(class_def_index); 680 os << StringPrintf("%zd: %s (offset=0x%08x) (type_idx=%d)", 681 class_def_index, descriptor, oat_class_offset, class_def.class_idx_) 682 << " (" << oat_class.GetStatus() << ")" 683 << " (" << oat_class.GetType() << ")\n"; 684 // TODO: include bitmap here if type is kOatClassSomeCompiled? 685 if (options_.list_classes_) continue; 686 if (!DumpOatClass(&vios, oat_class, *dex_file, class_def, &stop_analysis)) { 687 success = false; 688 } 689 if (stop_analysis) { 690 os << std::flush; 691 return success; 692 } 693 } 694 695 os << std::flush; 696 return success; 697 } 698 699 bool ExportDexFile(std::ostream& os, const OatFile::OatDexFile& oat_dex_file) { 700 std::string error_msg; 701 std::string dex_file_location = oat_dex_file.GetDexFileLocation(); 702 703 const DexFile* const dex_file = OpenDexFile(&oat_dex_file, &error_msg); 704 if (dex_file == nullptr) { 705 os << "Failed to open dex file '" << dex_file_location << "': " << error_msg; 706 return false; 707 } 708 size_t fsize = oat_dex_file.FileSize(); 709 710 // Some quick checks just in case 711 if (fsize == 0 || fsize < sizeof(DexFile::Header)) { 712 os << "Invalid dex file\n"; 713 return false; 714 } 715 716 // Verify output directory exists 717 if (!OS::DirectoryExists(options_.export_dex_location_)) { 718 // TODO: Extend OS::DirectoryExists if symlink support is required 719 os << options_.export_dex_location_ << " output directory not found or symlink\n"; 720 return false; 721 } 722 723 // Beautify path names 724 if (dex_file_location.size() > PATH_MAX || dex_file_location.size() <= 0) { 725 return false; 726 } 727 728 std::string dex_orig_name; 729 size_t dex_orig_pos = dex_file_location.rfind('/'); 730 if (dex_orig_pos == std::string::npos) 731 dex_orig_name = dex_file_location; 732 else 733 dex_orig_name = dex_file_location.substr(dex_orig_pos + 1); 734 735 // A more elegant approach to efficiently name user installed apps is welcome 736 if (dex_orig_name.size() == 8 && !dex_orig_name.compare("base.apk")) { 737 dex_file_location.erase(dex_orig_pos, strlen("base.apk") + 1); 738 size_t apk_orig_pos = dex_file_location.rfind('/'); 739 if (apk_orig_pos != std::string::npos) { 740 dex_orig_name = dex_file_location.substr(++apk_orig_pos); 741 } 742 } 743 744 std::string out_dex_path(options_.export_dex_location_); 745 if (out_dex_path.back() != '/') { 746 out_dex_path.append("/"); 747 } 748 out_dex_path.append(dex_orig_name); 749 out_dex_path.append("_export.dex"); 750 if (out_dex_path.length() > PATH_MAX) { 751 return false; 752 } 753 754 std::unique_ptr<File> file(OS::CreateEmptyFile(out_dex_path.c_str())); 755 if (file.get() == nullptr) { 756 os << "Failed to open output dex file " << out_dex_path; 757 return false; 758 } 759 760 if (!file->WriteFully(dex_file->Begin(), fsize)) { 761 os << "Failed to write dex file"; 762 file->Erase(); 763 return false; 764 } 765 766 if (file->FlushCloseOrErase() != 0) { 767 os << "Flush and close failed"; 768 return false; 769 } 770 771 os << StringPrintf("Dex file exported at %s (%zd bytes)\n", out_dex_path.c_str(), fsize); 772 os << std::flush; 773 774 return true; 775 } 776 777 static void SkipAllFields(ClassDataItemIterator& it) { 778 while (it.HasNextStaticField()) { 779 it.Next(); 780 } 781 while (it.HasNextInstanceField()) { 782 it.Next(); 783 } 784 } 785 786 bool DumpOatClass(VariableIndentationOutputStream* vios, 787 const OatFile::OatClass& oat_class, const DexFile& dex_file, 788 const DexFile::ClassDef& class_def, bool* stop_analysis) { 789 bool success = true; 790 bool addr_found = false; 791 const uint8_t* class_data = dex_file.GetClassData(class_def); 792 if (class_data == nullptr) { // empty class such as a marker interface? 793 vios->Stream() << std::flush; 794 return success; 795 } 796 ClassDataItemIterator it(dex_file, class_data); 797 SkipAllFields(it); 798 uint32_t class_method_index = 0; 799 while (it.HasNextDirectMethod()) { 800 if (!DumpOatMethod(vios, class_def, class_method_index, oat_class, dex_file, 801 it.GetMemberIndex(), it.GetMethodCodeItem(), 802 it.GetRawMemberAccessFlags(), &addr_found)) { 803 success = false; 804 } 805 if (addr_found) { 806 *stop_analysis = true; 807 return success; 808 } 809 class_method_index++; 810 it.Next(); 811 } 812 while (it.HasNextVirtualMethod()) { 813 if (!DumpOatMethod(vios, class_def, class_method_index, oat_class, dex_file, 814 it.GetMemberIndex(), it.GetMethodCodeItem(), 815 it.GetRawMemberAccessFlags(), &addr_found)) { 816 success = false; 817 } 818 if (addr_found) { 819 *stop_analysis = true; 820 return success; 821 } 822 class_method_index++; 823 it.Next(); 824 } 825 DCHECK(!it.HasNext()); 826 vios->Stream() << std::flush; 827 return success; 828 } 829 830 static constexpr uint32_t kPrologueBytes = 16; 831 832 // When this was picked, the largest arm method was 55,256 bytes and arm64 was 50,412 bytes. 833 static constexpr uint32_t kMaxCodeSize = 100 * 1000; 834 835 bool DumpOatMethod(VariableIndentationOutputStream* vios, 836 const DexFile::ClassDef& class_def, 837 uint32_t class_method_index, 838 const OatFile::OatClass& oat_class, const DexFile& dex_file, 839 uint32_t dex_method_idx, const DexFile::CodeItem* code_item, 840 uint32_t method_access_flags, bool* addr_found) { 841 bool success = true; 842 843 // TODO: Support regex 844 std::string method_name = dex_file.GetMethodName(dex_file.GetMethodId(dex_method_idx)); 845 if (method_name.find(options_.method_filter_) == std::string::npos) { 846 return success; 847 } 848 849 std::string pretty_method = PrettyMethod(dex_method_idx, dex_file, true); 850 vios->Stream() << StringPrintf("%d: %s (dex_method_idx=%d)\n", 851 class_method_index, pretty_method.c_str(), 852 dex_method_idx); 853 if (options_.list_methods_) return success; 854 855 uint32_t oat_method_offsets_offset = oat_class.GetOatMethodOffsetsOffset(class_method_index); 856 const OatMethodOffsets* oat_method_offsets = oat_class.GetOatMethodOffsets(class_method_index); 857 const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_index); 858 uint32_t code_offset = oat_method.GetCodeOffset(); 859 uint32_t code_size = oat_method.GetQuickCodeSize(); 860 if (resolved_addr2instr_ != 0) { 861 if (resolved_addr2instr_ > code_offset + code_size) { 862 return success; 863 } else { 864 *addr_found = true; // stop analyzing file at next iteration 865 } 866 } 867 868 // Everything below is indented at least once. 869 ScopedIndentation indent1(vios); 870 871 { 872 vios->Stream() << "DEX CODE:\n"; 873 ScopedIndentation indent2(vios); 874 DumpDexCode(vios->Stream(), dex_file, code_item); 875 } 876 877 std::unique_ptr<StackHandleScope<1>> hs; 878 std::unique_ptr<verifier::MethodVerifier> verifier; 879 if (Runtime::Current() != nullptr) { 880 // We need to have the handle scope stay live until after the verifier since the verifier has 881 // a handle to the dex cache from hs. 882 hs.reset(new StackHandleScope<1>(Thread::Current())); 883 vios->Stream() << "VERIFIER TYPE ANALYSIS:\n"; 884 ScopedIndentation indent2(vios); 885 verifier.reset(DumpVerifier(vios, hs.get(), 886 dex_method_idx, &dex_file, class_def, code_item, 887 method_access_flags)); 888 } 889 { 890 vios->Stream() << "OatMethodOffsets "; 891 if (options_.absolute_addresses_) { 892 vios->Stream() << StringPrintf("%p ", oat_method_offsets); 893 } 894 vios->Stream() << StringPrintf("(offset=0x%08x)\n", oat_method_offsets_offset); 895 if (oat_method_offsets_offset > oat_file_.Size()) { 896 vios->Stream() << StringPrintf( 897 "WARNING: oat method offsets offset 0x%08x is past end of file 0x%08zx.\n", 898 oat_method_offsets_offset, oat_file_.Size()); 899 // If we can't read OatMethodOffsets, the rest of the data is dangerous to read. 900 vios->Stream() << std::flush; 901 return false; 902 } 903 904 ScopedIndentation indent2(vios); 905 vios->Stream() << StringPrintf("code_offset: 0x%08x ", code_offset); 906 uint32_t aligned_code_begin = AlignCodeOffset(oat_method.GetCodeOffset()); 907 if (aligned_code_begin > oat_file_.Size()) { 908 vios->Stream() << StringPrintf("WARNING: " 909 "code offset 0x%08x is past end of file 0x%08zx.\n", 910 aligned_code_begin, oat_file_.Size()); 911 success = false; 912 } 913 vios->Stream() << "\n"; 914 915 vios->Stream() << "gc_map: "; 916 if (options_.absolute_addresses_) { 917 vios->Stream() << StringPrintf("%p ", oat_method.GetGcMap()); 918 } 919 uint32_t gc_map_offset = oat_method.GetGcMapOffset(); 920 vios->Stream() << StringPrintf("(offset=0x%08x)\n", gc_map_offset); 921 if (gc_map_offset > oat_file_.Size()) { 922 vios->Stream() << StringPrintf("WARNING: " 923 "gc map table offset 0x%08x is past end of file 0x%08zx.\n", 924 gc_map_offset, oat_file_.Size()); 925 success = false; 926 } else if (options_.dump_raw_gc_map_) { 927 ScopedIndentation indent3(vios); 928 DumpGcMap(vios->Stream(), oat_method, code_item); 929 } 930 } 931 { 932 vios->Stream() << "OatQuickMethodHeader "; 933 uint32_t method_header_offset = oat_method.GetOatQuickMethodHeaderOffset(); 934 const OatQuickMethodHeader* method_header = oat_method.GetOatQuickMethodHeader(); 935 936 if (options_.absolute_addresses_) { 937 vios->Stream() << StringPrintf("%p ", method_header); 938 } 939 vios->Stream() << StringPrintf("(offset=0x%08x)\n", method_header_offset); 940 if (method_header_offset > oat_file_.Size()) { 941 vios->Stream() << StringPrintf( 942 "WARNING: oat quick method header offset 0x%08x is past end of file 0x%08zx.\n", 943 method_header_offset, oat_file_.Size()); 944 // If we can't read the OatQuickMethodHeader, the rest of the data is dangerous to read. 945 vios->Stream() << std::flush; 946 return false; 947 } 948 949 ScopedIndentation indent2(vios); 950 vios->Stream() << "mapping_table: "; 951 if (options_.absolute_addresses_) { 952 vios->Stream() << StringPrintf("%p ", oat_method.GetMappingTable()); 953 } 954 uint32_t mapping_table_offset = oat_method.GetMappingTableOffset(); 955 vios->Stream() << StringPrintf("(offset=0x%08x)\n", oat_method.GetMappingTableOffset()); 956 if (mapping_table_offset > oat_file_.Size()) { 957 vios->Stream() << StringPrintf("WARNING: " 958 "mapping table offset 0x%08x is past end of file 0x%08zx. " 959 "mapping table offset was loaded from offset 0x%08x.\n", 960 mapping_table_offset, oat_file_.Size(), 961 oat_method.GetMappingTableOffsetOffset()); 962 success = false; 963 } else if (options_.dump_raw_mapping_table_) { 964 ScopedIndentation indent3(vios); 965 DumpMappingTable(vios, oat_method); 966 } 967 968 vios->Stream() << "vmap_table: "; 969 if (options_.absolute_addresses_) { 970 vios->Stream() << StringPrintf("%p ", oat_method.GetVmapTable()); 971 } 972 uint32_t vmap_table_offset = oat_method.GetVmapTableOffset(); 973 vios->Stream() << StringPrintf("(offset=0x%08x)\n", vmap_table_offset); 974 if (vmap_table_offset > oat_file_.Size()) { 975 vios->Stream() << StringPrintf("WARNING: " 976 "vmap table offset 0x%08x is past end of file 0x%08zx. " 977 "vmap table offset was loaded from offset 0x%08x.\n", 978 vmap_table_offset, oat_file_.Size(), 979 oat_method.GetVmapTableOffsetOffset()); 980 success = false; 981 } else if (options_.dump_vmap_) { 982 DumpVmapData(vios, oat_method, code_item); 983 } 984 } 985 { 986 vios->Stream() << "QuickMethodFrameInfo\n"; 987 988 ScopedIndentation indent2(vios); 989 vios->Stream() 990 << StringPrintf("frame_size_in_bytes: %zd\n", oat_method.GetFrameSizeInBytes()); 991 vios->Stream() << StringPrintf("core_spill_mask: 0x%08x ", oat_method.GetCoreSpillMask()); 992 DumpSpillMask(vios->Stream(), oat_method.GetCoreSpillMask(), false); 993 vios->Stream() << "\n"; 994 vios->Stream() << StringPrintf("fp_spill_mask: 0x%08x ", oat_method.GetFpSpillMask()); 995 DumpSpillMask(vios->Stream(), oat_method.GetFpSpillMask(), true); 996 vios->Stream() << "\n"; 997 } 998 { 999 // Based on spill masks from QuickMethodFrameInfo so placed 1000 // after it is dumped, but useful for understanding quick 1001 // code, so dumped here. 1002 ScopedIndentation indent2(vios); 1003 DumpVregLocations(vios->Stream(), oat_method, code_item); 1004 } 1005 { 1006 vios->Stream() << "CODE: "; 1007 uint32_t code_size_offset = oat_method.GetQuickCodeSizeOffset(); 1008 if (code_size_offset > oat_file_.Size()) { 1009 ScopedIndentation indent2(vios); 1010 vios->Stream() << StringPrintf("WARNING: " 1011 "code size offset 0x%08x is past end of file 0x%08zx.", 1012 code_size_offset, oat_file_.Size()); 1013 success = false; 1014 } else { 1015 const void* code = oat_method.GetQuickCode(); 1016 uint32_t aligned_code_begin = AlignCodeOffset(code_offset); 1017 uint64_t aligned_code_end = aligned_code_begin + code_size; 1018 1019 if (options_.absolute_addresses_) { 1020 vios->Stream() << StringPrintf("%p ", code); 1021 } 1022 vios->Stream() << StringPrintf("(code_offset=0x%08x size_offset=0x%08x size=%u)%s\n", 1023 code_offset, 1024 code_size_offset, 1025 code_size, 1026 code != nullptr ? "..." : ""); 1027 1028 ScopedIndentation indent2(vios); 1029 if (aligned_code_begin > oat_file_.Size()) { 1030 vios->Stream() << StringPrintf("WARNING: " 1031 "start of code at 0x%08x is past end of file 0x%08zx.", 1032 aligned_code_begin, oat_file_.Size()); 1033 success = false; 1034 } else if (aligned_code_end > oat_file_.Size()) { 1035 vios->Stream() << StringPrintf( 1036 "WARNING: " 1037 "end of code at 0x%08" PRIx64 " is past end of file 0x%08zx. " 1038 "code size is 0x%08x loaded from offset 0x%08x.\n", 1039 aligned_code_end, oat_file_.Size(), 1040 code_size, code_size_offset); 1041 success = false; 1042 if (options_.disassemble_code_) { 1043 if (code_size_offset + kPrologueBytes <= oat_file_.Size()) { 1044 DumpCode(vios, verifier.get(), oat_method, code_item, true, kPrologueBytes); 1045 } 1046 } 1047 } else if (code_size > kMaxCodeSize) { 1048 vios->Stream() << StringPrintf( 1049 "WARNING: " 1050 "code size %d is bigger than max expected threshold of %d. " 1051 "code size is 0x%08x loaded from offset 0x%08x.\n", 1052 code_size, kMaxCodeSize, 1053 code_size, code_size_offset); 1054 success = false; 1055 if (options_.disassemble_code_) { 1056 if (code_size_offset + kPrologueBytes <= oat_file_.Size()) { 1057 DumpCode(vios, verifier.get(), oat_method, code_item, true, kPrologueBytes); 1058 } 1059 } 1060 } else if (options_.disassemble_code_) { 1061 DumpCode(vios, verifier.get(), oat_method, code_item, !success, 0); 1062 } 1063 } 1064 } 1065 vios->Stream() << std::flush; 1066 return success; 1067 } 1068 1069 void DumpSpillMask(std::ostream& os, uint32_t spill_mask, bool is_float) { 1070 if (spill_mask == 0) { 1071 return; 1072 } 1073 os << "("; 1074 for (size_t i = 0; i < 32; i++) { 1075 if ((spill_mask & (1 << i)) != 0) { 1076 if (is_float) { 1077 os << "fr" << i; 1078 } else { 1079 os << "r" << i; 1080 } 1081 spill_mask ^= 1 << i; // clear bit 1082 if (spill_mask != 0) { 1083 os << ", "; 1084 } else { 1085 break; 1086 } 1087 } 1088 } 1089 os << ")"; 1090 } 1091 1092 // Display data stored at the the vmap offset of an oat method. 1093 void DumpVmapData(VariableIndentationOutputStream* vios, 1094 const OatFile::OatMethod& oat_method, 1095 const DexFile::CodeItem* code_item) { 1096 if (IsMethodGeneratedByOptimizingCompiler(oat_method, code_item)) { 1097 // The optimizing compiler outputs its CodeInfo data in the vmap table. 1098 const void* raw_code_info = oat_method.GetVmapTable(); 1099 if (raw_code_info != nullptr) { 1100 CodeInfo code_info(raw_code_info); 1101 DCHECK(code_item != nullptr); 1102 ScopedIndentation indent1(vios); 1103 DumpCodeInfo(vios, code_info, oat_method, *code_item); 1104 } 1105 } else if (IsMethodGeneratedByDexToDexCompiler(oat_method, code_item)) { 1106 // We don't encode the size in the table, so just emit that we have quickened 1107 // information. 1108 ScopedIndentation indent(vios); 1109 vios->Stream() << "quickened data\n"; 1110 } else { 1111 // Otherwise, display the vmap table. 1112 const uint8_t* raw_table = oat_method.GetVmapTable(); 1113 if (raw_table != nullptr) { 1114 VmapTable vmap_table(raw_table); 1115 DumpVmapTable(vios->Stream(), oat_method, vmap_table); 1116 } 1117 } 1118 } 1119 1120 // Display a CodeInfo object emitted by the optimizing compiler. 1121 void DumpCodeInfo(VariableIndentationOutputStream* vios, 1122 const CodeInfo& code_info, 1123 const OatFile::OatMethod& oat_method, 1124 const DexFile::CodeItem& code_item) { 1125 code_info.Dump(vios, 1126 oat_method.GetCodeOffset(), 1127 code_item.registers_size_, 1128 options_.dump_code_info_stack_maps_); 1129 } 1130 1131 // Display a vmap table. 1132 void DumpVmapTable(std::ostream& os, 1133 const OatFile::OatMethod& oat_method, 1134 const VmapTable& vmap_table) { 1135 bool first = true; 1136 bool processing_fp = false; 1137 uint32_t spill_mask = oat_method.GetCoreSpillMask(); 1138 for (size_t i = 0; i < vmap_table.Size(); i++) { 1139 uint16_t dex_reg = vmap_table[i]; 1140 uint32_t cpu_reg = vmap_table.ComputeRegister(spill_mask, i, 1141 processing_fp ? kFloatVReg : kIntVReg); 1142 os << (first ? "v" : ", v") << dex_reg; 1143 if (!processing_fp) { 1144 os << "/r" << cpu_reg; 1145 } else { 1146 os << "/fr" << cpu_reg; 1147 } 1148 first = false; 1149 if (!processing_fp && dex_reg == 0xFFFF) { 1150 processing_fp = true; 1151 spill_mask = oat_method.GetFpSpillMask(); 1152 } 1153 } 1154 os << "\n"; 1155 } 1156 1157 void DumpVregLocations(std::ostream& os, const OatFile::OatMethod& oat_method, 1158 const DexFile::CodeItem* code_item) { 1159 if (code_item != nullptr) { 1160 size_t num_locals_ins = code_item->registers_size_; 1161 size_t num_ins = code_item->ins_size_; 1162 size_t num_locals = num_locals_ins - num_ins; 1163 size_t num_outs = code_item->outs_size_; 1164 1165 os << "vr_stack_locations:"; 1166 for (size_t reg = 0; reg <= num_locals_ins; reg++) { 1167 // For readability, delimit the different kinds of VRs. 1168 if (reg == num_locals_ins) { 1169 os << "\n\tmethod*:"; 1170 } else if (reg == num_locals && num_ins > 0) { 1171 os << "\n\tins:"; 1172 } else if (reg == 0 && num_locals > 0) { 1173 os << "\n\tlocals:"; 1174 } 1175 1176 uint32_t offset = StackVisitor::GetVRegOffsetFromQuickCode( 1177 code_item, 1178 oat_method.GetCoreSpillMask(), 1179 oat_method.GetFpSpillMask(), 1180 oat_method.GetFrameSizeInBytes(), 1181 reg, 1182 GetInstructionSet()); 1183 os << " v" << reg << "[sp + #" << offset << "]"; 1184 } 1185 1186 for (size_t out_reg = 0; out_reg < num_outs; out_reg++) { 1187 if (out_reg == 0) { 1188 os << "\n\touts:"; 1189 } 1190 1191 uint32_t offset = StackVisitor::GetOutVROffset(out_reg, GetInstructionSet()); 1192 os << " v" << out_reg << "[sp + #" << offset << "]"; 1193 } 1194 1195 os << "\n"; 1196 } 1197 } 1198 1199 void DescribeVReg(std::ostream& os, const OatFile::OatMethod& oat_method, 1200 const DexFile::CodeItem* code_item, size_t reg, VRegKind kind) { 1201 const uint8_t* raw_table = oat_method.GetVmapTable(); 1202 if (raw_table != nullptr) { 1203 const VmapTable vmap_table(raw_table); 1204 uint32_t vmap_offset; 1205 if (vmap_table.IsInContext(reg, kind, &vmap_offset)) { 1206 bool is_float = (kind == kFloatVReg) || (kind == kDoubleLoVReg) || (kind == kDoubleHiVReg); 1207 uint32_t spill_mask = is_float ? oat_method.GetFpSpillMask() 1208 : oat_method.GetCoreSpillMask(); 1209 os << (is_float ? "fr" : "r") << vmap_table.ComputeRegister(spill_mask, vmap_offset, kind); 1210 } else { 1211 uint32_t offset = StackVisitor::GetVRegOffsetFromQuickCode( 1212 code_item, 1213 oat_method.GetCoreSpillMask(), 1214 oat_method.GetFpSpillMask(), 1215 oat_method.GetFrameSizeInBytes(), 1216 reg, 1217 GetInstructionSet()); 1218 os << "[sp + #" << offset << "]"; 1219 } 1220 } 1221 } 1222 1223 void DumpGcMapRegisters(std::ostream& os, const OatFile::OatMethod& oat_method, 1224 const DexFile::CodeItem* code_item, 1225 size_t num_regs, const uint8_t* reg_bitmap) { 1226 bool first = true; 1227 for (size_t reg = 0; reg < num_regs; reg++) { 1228 if (((reg_bitmap[reg / 8] >> (reg % 8)) & 0x01) != 0) { 1229 if (first) { 1230 os << " v" << reg << " ("; 1231 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 1232 os << ")"; 1233 first = false; 1234 } else { 1235 os << ", v" << reg << " ("; 1236 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 1237 os << ")"; 1238 } 1239 } 1240 } 1241 if (first) { 1242 os << "No registers in GC map\n"; 1243 } else { 1244 os << "\n"; 1245 } 1246 } 1247 void DumpGcMap(std::ostream& os, const OatFile::OatMethod& oat_method, 1248 const DexFile::CodeItem* code_item) { 1249 const uint8_t* gc_map_raw = oat_method.GetGcMap(); 1250 if (gc_map_raw == nullptr) { 1251 return; // No GC map. 1252 } 1253 const void* quick_code = oat_method.GetQuickCode(); 1254 NativePcOffsetToReferenceMap map(gc_map_raw); 1255 for (size_t entry = 0; entry < map.NumEntries(); entry++) { 1256 const uint8_t* native_pc = reinterpret_cast<const uint8_t*>(quick_code) + 1257 map.GetNativePcOffset(entry); 1258 os << StringPrintf("%p", native_pc); 1259 DumpGcMapRegisters(os, oat_method, code_item, map.RegWidth() * 8, map.GetBitMap(entry)); 1260 } 1261 } 1262 1263 void DumpMappingTable(VariableIndentationOutputStream* vios, 1264 const OatFile::OatMethod& oat_method) { 1265 const void* quick_code = oat_method.GetQuickCode(); 1266 if (quick_code == nullptr) { 1267 return; 1268 } 1269 MappingTable table(oat_method.GetMappingTable()); 1270 if (table.TotalSize() != 0) { 1271 if (table.PcToDexSize() != 0) { 1272 typedef MappingTable::PcToDexIterator It; 1273 vios->Stream() << "suspend point mappings {\n"; 1274 for (It cur = table.PcToDexBegin(), end = table.PcToDexEnd(); cur != end; ++cur) { 1275 ScopedIndentation indent1(vios); 1276 vios->Stream() << StringPrintf("0x%04x -> 0x%04x\n", cur.NativePcOffset(), cur.DexPc()); 1277 } 1278 vios->Stream() << "}\n"; 1279 } 1280 if (table.DexToPcSize() != 0) { 1281 typedef MappingTable::DexToPcIterator It; 1282 vios->Stream() << "catch entry mappings {\n"; 1283 for (It cur = table.DexToPcBegin(), end = table.DexToPcEnd(); cur != end; ++cur) { 1284 ScopedIndentation indent1(vios); 1285 vios->Stream() << StringPrintf("0x%04x -> 0x%04x\n", cur.NativePcOffset(), cur.DexPc()); 1286 } 1287 vios->Stream() << "}\n"; 1288 } 1289 } 1290 } 1291 1292 uint32_t DumpInformationAtOffset(VariableIndentationOutputStream* vios, 1293 const OatFile::OatMethod& oat_method, 1294 const DexFile::CodeItem* code_item, 1295 size_t offset, 1296 bool suspend_point_mapping) { 1297 if (IsMethodGeneratedByOptimizingCompiler(oat_method, code_item)) { 1298 if (suspend_point_mapping) { 1299 ScopedIndentation indent1(vios); 1300 DumpDexRegisterMapAtOffset(vios, oat_method, code_item, offset); 1301 } 1302 // The return value is not used in the case of a method compiled 1303 // with the optimizing compiler. 1304 return DexFile::kDexNoIndex; 1305 } else { 1306 return DumpMappingAtOffset(vios->Stream(), oat_method, offset, suspend_point_mapping); 1307 } 1308 } 1309 1310 uint32_t DumpMappingAtOffset(std::ostream& os, const OatFile::OatMethod& oat_method, 1311 size_t offset, bool suspend_point_mapping) { 1312 MappingTable table(oat_method.GetMappingTable()); 1313 if (suspend_point_mapping && table.PcToDexSize() > 0) { 1314 typedef MappingTable::PcToDexIterator It; 1315 for (It cur = table.PcToDexBegin(), end = table.PcToDexEnd(); cur != end; ++cur) { 1316 if (offset == cur.NativePcOffset()) { 1317 os << StringPrintf("suspend point dex PC: 0x%04x\n", cur.DexPc()); 1318 return cur.DexPc(); 1319 } 1320 } 1321 } else if (!suspend_point_mapping && table.DexToPcSize() > 0) { 1322 typedef MappingTable::DexToPcIterator It; 1323 for (It cur = table.DexToPcBegin(), end = table.DexToPcEnd(); cur != end; ++cur) { 1324 if (offset == cur.NativePcOffset()) { 1325 os << StringPrintf("catch entry dex PC: 0x%04x\n", cur.DexPc()); 1326 return cur.DexPc(); 1327 } 1328 } 1329 } 1330 return DexFile::kDexNoIndex; 1331 } 1332 1333 void DumpGcMapAtNativePcOffset(std::ostream& os, const OatFile::OatMethod& oat_method, 1334 const DexFile::CodeItem* code_item, size_t native_pc_offset) { 1335 const uint8_t* gc_map_raw = oat_method.GetGcMap(); 1336 if (gc_map_raw != nullptr) { 1337 NativePcOffsetToReferenceMap map(gc_map_raw); 1338 if (map.HasEntry(native_pc_offset)) { 1339 size_t num_regs = map.RegWidth() * 8; 1340 const uint8_t* reg_bitmap = map.FindBitMap(native_pc_offset); 1341 bool first = true; 1342 for (size_t reg = 0; reg < num_regs; reg++) { 1343 if (((reg_bitmap[reg / 8] >> (reg % 8)) & 0x01) != 0) { 1344 if (first) { 1345 os << "GC map objects: v" << reg << " ("; 1346 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 1347 os << ")"; 1348 first = false; 1349 } else { 1350 os << ", v" << reg << " ("; 1351 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 1352 os << ")"; 1353 } 1354 } 1355 } 1356 if (!first) { 1357 os << "\n"; 1358 } 1359 } 1360 } 1361 } 1362 1363 void DumpVRegsAtDexPc(std::ostream& os, verifier::MethodVerifier* verifier, 1364 const OatFile::OatMethod& oat_method, 1365 const DexFile::CodeItem* code_item, uint32_t dex_pc) { 1366 DCHECK(verifier != nullptr); 1367 std::vector<int32_t> kinds = verifier->DescribeVRegs(dex_pc); 1368 bool first = true; 1369 for (size_t reg = 0; reg < code_item->registers_size_; reg++) { 1370 VRegKind kind = static_cast<VRegKind>(kinds.at(reg * 2)); 1371 if (kind != kUndefined) { 1372 if (first) { 1373 os << "VRegs: v"; 1374 first = false; 1375 } else { 1376 os << ", v"; 1377 } 1378 os << reg << " ("; 1379 switch (kind) { 1380 case kImpreciseConstant: 1381 os << "Imprecise Constant: " << kinds.at((reg * 2) + 1) << ", "; 1382 DescribeVReg(os, oat_method, code_item, reg, kind); 1383 break; 1384 case kConstant: 1385 os << "Constant: " << kinds.at((reg * 2) + 1); 1386 break; 1387 default: 1388 DescribeVReg(os, oat_method, code_item, reg, kind); 1389 break; 1390 } 1391 os << ")"; 1392 } 1393 } 1394 if (!first) { 1395 os << "\n"; 1396 } 1397 } 1398 1399 1400 void DumpDexCode(std::ostream& os, const DexFile& dex_file, const DexFile::CodeItem* code_item) { 1401 if (code_item != nullptr) { 1402 size_t i = 0; 1403 while (i < code_item->insns_size_in_code_units_) { 1404 const Instruction* instruction = Instruction::At(&code_item->insns_[i]); 1405 os << StringPrintf("0x%04zx: ", i) << instruction->DumpHexLE(5) 1406 << StringPrintf("\t| %s\n", instruction->DumpString(&dex_file).c_str()); 1407 i += instruction->SizeInCodeUnits(); 1408 } 1409 } 1410 } 1411 1412 // Has `oat_method` -- corresponding to the Dex `code_item` -- been compiled by 1413 // the optimizing compiler? 1414 static bool IsMethodGeneratedByOptimizingCompiler(const OatFile::OatMethod& oat_method, 1415 const DexFile::CodeItem* code_item) { 1416 // If the native GC map is null and the Dex `code_item` is not 1417 // null, then this method has been compiled with the optimizing 1418 // compiler. 1419 return oat_method.GetQuickCode() != nullptr && 1420 oat_method.GetGcMap() == nullptr && 1421 code_item != nullptr; 1422 } 1423 1424 // Has `oat_method` -- corresponding to the Dex `code_item` -- been compiled by 1425 // the dextodex compiler? 1426 static bool IsMethodGeneratedByDexToDexCompiler(const OatFile::OatMethod& oat_method, 1427 const DexFile::CodeItem* code_item) { 1428 // If the quick code is null, the Dex `code_item` is not 1429 // null, and the vmap table is not null, then this method has been compiled 1430 // with the dextodex compiler. 1431 return oat_method.GetQuickCode() == nullptr && 1432 oat_method.GetVmapTable() != nullptr && 1433 code_item != nullptr; 1434 } 1435 1436 void DumpDexRegisterMapAtOffset(VariableIndentationOutputStream* vios, 1437 const OatFile::OatMethod& oat_method, 1438 const DexFile::CodeItem* code_item, 1439 size_t offset) { 1440 // This method is only relevant for oat methods compiled with the 1441 // optimizing compiler. 1442 DCHECK(IsMethodGeneratedByOptimizingCompiler(oat_method, code_item)); 1443 1444 // The optimizing compiler outputs its CodeInfo data in the vmap table. 1445 const void* raw_code_info = oat_method.GetVmapTable(); 1446 if (raw_code_info != nullptr) { 1447 CodeInfo code_info(raw_code_info); 1448 StackMapEncoding encoding = code_info.ExtractEncoding(); 1449 StackMap stack_map = code_info.GetStackMapForNativePcOffset(offset, encoding); 1450 if (stack_map.IsValid()) { 1451 stack_map.Dump(vios, code_info, encoding, oat_method.GetCodeOffset(), 1452 code_item->registers_size_); 1453 } 1454 } 1455 } 1456 1457 verifier::MethodVerifier* DumpVerifier(VariableIndentationOutputStream* vios, 1458 StackHandleScope<1>* hs, 1459 uint32_t dex_method_idx, 1460 const DexFile* dex_file, 1461 const DexFile::ClassDef& class_def, 1462 const DexFile::CodeItem* code_item, 1463 uint32_t method_access_flags) { 1464 if ((method_access_flags & kAccNative) == 0) { 1465 ScopedObjectAccess soa(Thread::Current()); 1466 Runtime* const runtime = Runtime::Current(); 1467 Handle<mirror::DexCache> dex_cache( 1468 hs->NewHandle(runtime->GetClassLinker()->RegisterDexFile(*dex_file, 1469 runtime->GetLinearAlloc()))); 1470 DCHECK(options_.class_loader_ != nullptr); 1471 return verifier::MethodVerifier::VerifyMethodAndDump( 1472 soa.Self(), vios, dex_method_idx, dex_file, dex_cache, *options_.class_loader_, 1473 &class_def, code_item, nullptr, method_access_flags); 1474 } 1475 1476 return nullptr; 1477 } 1478 1479 void DumpCode(VariableIndentationOutputStream* vios, 1480 verifier::MethodVerifier* verifier, 1481 const OatFile::OatMethod& oat_method, const DexFile::CodeItem* code_item, 1482 bool bad_input, size_t code_size) { 1483 const void* quick_code = oat_method.GetQuickCode(); 1484 1485 if (code_size == 0) { 1486 code_size = oat_method.GetQuickCodeSize(); 1487 } 1488 if (code_size == 0 || quick_code == nullptr) { 1489 vios->Stream() << "NO CODE!\n"; 1490 return; 1491 } else { 1492 const uint8_t* quick_native_pc = reinterpret_cast<const uint8_t*>(quick_code); 1493 size_t offset = 0; 1494 while (offset < code_size) { 1495 if (!bad_input) { 1496 DumpInformationAtOffset(vios, oat_method, code_item, offset, false); 1497 } 1498 offset += disassembler_->Dump(vios->Stream(), quick_native_pc + offset); 1499 if (!bad_input) { 1500 uint32_t dex_pc = 1501 DumpInformationAtOffset(vios, oat_method, code_item, offset, true); 1502 if (dex_pc != DexFile::kDexNoIndex) { 1503 DumpGcMapAtNativePcOffset(vios->Stream(), oat_method, code_item, offset); 1504 if (verifier != nullptr) { 1505 DumpVRegsAtDexPc(vios->Stream(), verifier, oat_method, code_item, dex_pc); 1506 } 1507 } 1508 } 1509 } 1510 } 1511 } 1512 1513 const OatFile& oat_file_; 1514 const std::vector<const OatFile::OatDexFile*> oat_dex_files_; 1515 const OatDumperOptions& options_; 1516 uint32_t resolved_addr2instr_; 1517 InstructionSet instruction_set_; 1518 std::set<uintptr_t> offsets_; 1519 Disassembler* disassembler_; 1520}; 1521 1522class ImageDumper { 1523 public: 1524 ImageDumper(std::ostream* os, gc::space::ImageSpace& image_space, 1525 const ImageHeader& image_header, OatDumperOptions* oat_dumper_options) 1526 : os_(os), 1527 vios_(os), 1528 indent1_(&vios_), 1529 image_space_(image_space), 1530 image_header_(image_header), 1531 oat_dumper_options_(oat_dumper_options) {} 1532 1533 bool Dump() SHARED_REQUIRES(Locks::mutator_lock_) { 1534 std::ostream& os = *os_; 1535 std::ostream& indent_os = vios_.Stream(); 1536 1537 os << "MAGIC: " << image_header_.GetMagic() << "\n\n"; 1538 1539 os << "IMAGE LOCATION: " << image_space_.GetImageLocation() << "\n\n"; 1540 1541 os << "IMAGE BEGIN: " << reinterpret_cast<void*>(image_header_.GetImageBegin()) << "\n\n"; 1542 1543 os << "IMAGE SIZE: " << image_header_.GetImageSize() << "\n\n"; 1544 1545 for (size_t i = 0; i < ImageHeader::kSectionCount; ++i) { 1546 auto section = static_cast<ImageHeader::ImageSections>(i); 1547 os << "IMAGE SECTION " << section << ": " << image_header_.GetImageSection(section) << "\n\n"; 1548 } 1549 1550 os << "OAT CHECKSUM: " << StringPrintf("0x%08x\n\n", image_header_.GetOatChecksum()); 1551 1552 os << "OAT FILE BEGIN:" << reinterpret_cast<void*>(image_header_.GetOatFileBegin()) << "\n\n"; 1553 1554 os << "OAT DATA BEGIN:" << reinterpret_cast<void*>(image_header_.GetOatDataBegin()) << "\n\n"; 1555 1556 os << "OAT DATA END:" << reinterpret_cast<void*>(image_header_.GetOatDataEnd()) << "\n\n"; 1557 1558 os << "OAT FILE END:" << reinterpret_cast<void*>(image_header_.GetOatFileEnd()) << "\n\n"; 1559 1560 os << "PATCH DELTA:" << image_header_.GetPatchDelta() << "\n\n"; 1561 1562 os << "COMPILE PIC: " << (image_header_.CompilePic() ? "yes" : "no") << "\n\n"; 1563 1564 { 1565 os << "ROOTS: " << reinterpret_cast<void*>(image_header_.GetImageRoots()) << "\n"; 1566 static_assert(arraysize(image_roots_descriptions_) == 1567 static_cast<size_t>(ImageHeader::kImageRootsMax), "sizes must match"); 1568 for (int i = 0; i < ImageHeader::kImageRootsMax; i++) { 1569 ImageHeader::ImageRoot image_root = static_cast<ImageHeader::ImageRoot>(i); 1570 const char* image_root_description = image_roots_descriptions_[i]; 1571 mirror::Object* image_root_object = image_header_.GetImageRoot(image_root); 1572 indent_os << StringPrintf("%s: %p\n", image_root_description, image_root_object); 1573 if (image_root_object->IsObjectArray()) { 1574 mirror::ObjectArray<mirror::Object>* image_root_object_array 1575 = image_root_object->AsObjectArray<mirror::Object>(); 1576 ScopedIndentation indent2(&vios_); 1577 for (int j = 0; j < image_root_object_array->GetLength(); j++) { 1578 mirror::Object* value = image_root_object_array->Get(j); 1579 size_t run = 0; 1580 for (int32_t k = j + 1; k < image_root_object_array->GetLength(); k++) { 1581 if (value == image_root_object_array->Get(k)) { 1582 run++; 1583 } else { 1584 break; 1585 } 1586 } 1587 if (run == 0) { 1588 indent_os << StringPrintf("%d: ", j); 1589 } else { 1590 indent_os << StringPrintf("%d to %zd: ", j, j + run); 1591 j = j + run; 1592 } 1593 if (value != nullptr) { 1594 PrettyObjectValue(indent_os, value->GetClass(), value); 1595 } else { 1596 indent_os << j << ": null\n"; 1597 } 1598 } 1599 } 1600 } 1601 } 1602 1603 { 1604 os << "METHOD ROOTS\n"; 1605 static_assert(arraysize(image_methods_descriptions_) == 1606 static_cast<size_t>(ImageHeader::kImageMethodsCount), "sizes must match"); 1607 for (int i = 0; i < ImageHeader::kImageMethodsCount; i++) { 1608 auto image_root = static_cast<ImageHeader::ImageMethod>(i); 1609 const char* description = image_methods_descriptions_[i]; 1610 auto* image_method = image_header_.GetImageMethod(image_root); 1611 indent_os << StringPrintf("%s: %p\n", description, image_method); 1612 } 1613 } 1614 os << "\n"; 1615 1616 Runtime* const runtime = Runtime::Current(); 1617 ClassLinker* class_linker = runtime->GetClassLinker(); 1618 std::string image_filename = image_space_.GetImageFilename(); 1619 std::string oat_location = ImageHeader::GetOatLocationFromImageLocation(image_filename); 1620 os << "OAT LOCATION: " << oat_location; 1621 os << "\n"; 1622 std::string error_msg; 1623 const OatFile* oat_file = runtime->GetOatFileManager().FindOpenedOatFileFromOatLocation( 1624 oat_location); 1625 if (oat_file == nullptr) { 1626 oat_file = OatFile::Open(oat_location, oat_location, 1627 nullptr, nullptr, false, nullptr, 1628 &error_msg); 1629 if (oat_file == nullptr) { 1630 os << "NOT FOUND: " << error_msg << "\n"; 1631 return false; 1632 } 1633 } 1634 os << "\n"; 1635 1636 stats_.oat_file_bytes = oat_file->Size(); 1637 1638 oat_dumper_.reset(new OatDumper(*oat_file, *oat_dumper_options_)); 1639 1640 for (const OatFile::OatDexFile* oat_dex_file : oat_file->GetOatDexFiles()) { 1641 CHECK(oat_dex_file != nullptr); 1642 stats_.oat_dex_file_sizes.push_back(std::make_pair(oat_dex_file->GetDexFileLocation(), 1643 oat_dex_file->FileSize())); 1644 } 1645 1646 os << "OBJECTS:\n" << std::flush; 1647 1648 // Loop through the image space and dump its objects. 1649 gc::Heap* heap = runtime->GetHeap(); 1650 Thread* self = Thread::Current(); 1651 { 1652 { 1653 WriterMutexLock mu(self, *Locks::heap_bitmap_lock_); 1654 heap->FlushAllocStack(); 1655 } 1656 // Since FlushAllocStack() above resets the (active) allocation 1657 // stack. Need to revoke the thread-local allocation stacks that 1658 // point into it. 1659 ScopedThreadSuspension sts(self, kNative); 1660 ScopedSuspendAll ssa(__FUNCTION__); 1661 heap->RevokeAllThreadLocalAllocationStacks(self); 1662 } 1663 { 1664 // Mark dex caches. 1665 dex_caches_.clear(); 1666 { 1667 ReaderMutexLock mu(self, *class_linker->DexLock()); 1668 for (const ClassLinker::DexCacheData& data : class_linker->GetDexCachesData()) { 1669 mirror::DexCache* dex_cache = 1670 down_cast<mirror::DexCache*>(self->DecodeJObject(data.weak_root)); 1671 if (dex_cache != nullptr) { 1672 dex_caches_.insert(dex_cache); 1673 } 1674 } 1675 } 1676 ReaderMutexLock mu(self, *Locks::heap_bitmap_lock_); 1677 // Dump the normal objects before ArtMethods. 1678 image_space_.GetLiveBitmap()->Walk(ImageDumper::Callback, this); 1679 indent_os << "\n"; 1680 // TODO: Dump fields. 1681 // Dump methods after. 1682 const auto& methods_section = image_header_.GetMethodsSection(); 1683 const size_t pointer_size = 1684 InstructionSetPointerSize(oat_dumper_->GetOatInstructionSet()); 1685 DumpArtMethodVisitor visitor(this); 1686 methods_section.VisitPackedArtMethods(&visitor, image_space_.Begin(), pointer_size); 1687 // Dump the large objects separately. 1688 heap->GetLargeObjectsSpace()->GetLiveBitmap()->Walk(ImageDumper::Callback, this); 1689 indent_os << "\n"; 1690 } 1691 os << "STATS:\n" << std::flush; 1692 std::unique_ptr<File> file(OS::OpenFileForReading(image_filename.c_str())); 1693 if (file.get() == nullptr) { 1694 LOG(WARNING) << "Failed to find image in " << image_filename; 1695 } 1696 if (file.get() != nullptr) { 1697 stats_.file_bytes = file->GetLength(); 1698 } 1699 size_t header_bytes = sizeof(ImageHeader); 1700 const auto& object_section = image_header_.GetImageSection(ImageHeader::kSectionObjects); 1701 const auto& field_section = image_header_.GetImageSection(ImageHeader::kSectionArtFields); 1702 const auto& method_section = image_header_.GetMethodsSection(); 1703 const auto& dex_cache_arrays_section = image_header_.GetImageSection( 1704 ImageHeader::kSectionDexCacheArrays); 1705 const auto& intern_section = image_header_.GetImageSection( 1706 ImageHeader::kSectionInternedStrings); 1707 const auto& class_table_section = image_header_.GetImageSection( 1708 ImageHeader::kSectionClassTable); 1709 const auto& bitmap_section = image_header_.GetImageSection(ImageHeader::kSectionImageBitmap); 1710 1711 stats_.header_bytes = header_bytes; 1712 1713 // Objects are kObjectAlignment-aligned. 1714 // CHECK_EQ(RoundUp(header_bytes, kObjectAlignment), object_section.Offset()); 1715 if (object_section.Offset() > header_bytes) { 1716 stats_.alignment_bytes += object_section.Offset() - header_bytes; 1717 } 1718 1719 // Field section is 4-byte aligned. 1720 constexpr size_t kFieldSectionAlignment = 4U; 1721 uint32_t end_objects = object_section.Offset() + object_section.Size(); 1722 CHECK_EQ(RoundUp(end_objects, kFieldSectionAlignment), field_section.Offset()); 1723 stats_.alignment_bytes += field_section.Offset() - end_objects; 1724 1725 // Method section is 4/8 byte aligned depending on target. Just check for 4-byte alignment. 1726 uint32_t end_fields = field_section.Offset() + field_section.Size(); 1727 CHECK_ALIGNED(method_section.Offset(), 4); 1728 stats_.alignment_bytes += method_section.Offset() - end_fields; 1729 1730 // Dex cache arrays section is aligned depending on the target. Just check for 4-byte alignment. 1731 uint32_t end_methods = method_section.Offset() + method_section.Size(); 1732 CHECK_ALIGNED(dex_cache_arrays_section.Offset(), 4); 1733 stats_.alignment_bytes += dex_cache_arrays_section.Offset() - end_methods; 1734 1735 // Intern table is 8-byte aligned. 1736 uint32_t end_caches = dex_cache_arrays_section.Offset() + dex_cache_arrays_section.Size(); 1737 CHECK_EQ(RoundUp(end_caches, 8U), intern_section.Offset()); 1738 stats_.alignment_bytes += intern_section.Offset() - end_caches; 1739 1740 // Add space between intern table and class table. 1741 uint32_t end_intern = intern_section.Offset() + intern_section.Size(); 1742 stats_.alignment_bytes += class_table_section.Offset() - end_intern; 1743 1744 // Add space between class table and bitmap. Expect the bitmap to be page-aligned. 1745 uint32_t end_ctable = class_table_section.Offset() + class_table_section.Size(); 1746 CHECK_ALIGNED(bitmap_section.Offset(), kPageSize); 1747 stats_.alignment_bytes += bitmap_section.Offset() - end_ctable; 1748 1749 stats_.bitmap_bytes += bitmap_section.Size(); 1750 stats_.art_field_bytes += field_section.Size(); 1751 stats_.art_method_bytes += method_section.Size(); 1752 stats_.dex_cache_arrays_bytes += dex_cache_arrays_section.Size(); 1753 stats_.interned_strings_bytes += intern_section.Size(); 1754 stats_.class_table_bytes += class_table_section.Size(); 1755 stats_.Dump(os, indent_os); 1756 os << "\n"; 1757 1758 os << std::flush; 1759 1760 return oat_dumper_->Dump(os); 1761 } 1762 1763 private: 1764 class DumpArtMethodVisitor : public ArtMethodVisitor { 1765 public: 1766 explicit DumpArtMethodVisitor(ImageDumper* image_dumper) : image_dumper_(image_dumper) {} 1767 1768 virtual void Visit(ArtMethod* method) OVERRIDE SHARED_REQUIRES(Locks::mutator_lock_) { 1769 std::ostream& indent_os = image_dumper_->vios_.Stream(); 1770 indent_os << method << " " << " ArtMethod: " << PrettyMethod(method) << "\n"; 1771 image_dumper_->DumpMethod(method, image_dumper_, indent_os); 1772 indent_os << "\n"; 1773 } 1774 1775 private: 1776 ImageDumper* const image_dumper_; 1777 }; 1778 1779 static void PrettyObjectValue(std::ostream& os, mirror::Class* type, mirror::Object* value) 1780 SHARED_REQUIRES(Locks::mutator_lock_) { 1781 CHECK(type != nullptr); 1782 if (value == nullptr) { 1783 os << StringPrintf("null %s\n", PrettyDescriptor(type).c_str()); 1784 } else if (type->IsStringClass()) { 1785 mirror::String* string = value->AsString(); 1786 os << StringPrintf("%p String: %s\n", string, 1787 PrintableString(string->ToModifiedUtf8().c_str()).c_str()); 1788 } else if (type->IsClassClass()) { 1789 mirror::Class* klass = value->AsClass(); 1790 os << StringPrintf("%p Class: %s\n", klass, PrettyDescriptor(klass).c_str()); 1791 } else { 1792 os << StringPrintf("%p %s\n", value, PrettyDescriptor(type).c_str()); 1793 } 1794 } 1795 1796 static void PrintField(std::ostream& os, ArtField* field, mirror::Object* obj) 1797 SHARED_REQUIRES(Locks::mutator_lock_) { 1798 os << StringPrintf("%s: ", field->GetName()); 1799 switch (field->GetTypeAsPrimitiveType()) { 1800 case Primitive::kPrimLong: 1801 os << StringPrintf("%" PRId64 " (0x%" PRIx64 ")\n", field->Get64(obj), field->Get64(obj)); 1802 break; 1803 case Primitive::kPrimDouble: 1804 os << StringPrintf("%f (%a)\n", field->GetDouble(obj), field->GetDouble(obj)); 1805 break; 1806 case Primitive::kPrimFloat: 1807 os << StringPrintf("%f (%a)\n", field->GetFloat(obj), field->GetFloat(obj)); 1808 break; 1809 case Primitive::kPrimInt: 1810 os << StringPrintf("%d (0x%x)\n", field->Get32(obj), field->Get32(obj)); 1811 break; 1812 case Primitive::kPrimChar: 1813 os << StringPrintf("%u (0x%x)\n", field->GetChar(obj), field->GetChar(obj)); 1814 break; 1815 case Primitive::kPrimShort: 1816 os << StringPrintf("%d (0x%x)\n", field->GetShort(obj), field->GetShort(obj)); 1817 break; 1818 case Primitive::kPrimBoolean: 1819 os << StringPrintf("%s (0x%x)\n", field->GetBoolean(obj)? "true" : "false", 1820 field->GetBoolean(obj)); 1821 break; 1822 case Primitive::kPrimByte: 1823 os << StringPrintf("%d (0x%x)\n", field->GetByte(obj), field->GetByte(obj)); 1824 break; 1825 case Primitive::kPrimNot: { 1826 // Get the value, don't compute the type unless it is non-null as we don't want 1827 // to cause class loading. 1828 mirror::Object* value = field->GetObj(obj); 1829 if (value == nullptr) { 1830 os << StringPrintf("null %s\n", PrettyDescriptor(field->GetTypeDescriptor()).c_str()); 1831 } else { 1832 // Grab the field type without causing resolution. 1833 mirror::Class* field_type = field->GetType<false>(); 1834 if (field_type != nullptr) { 1835 PrettyObjectValue(os, field_type, value); 1836 } else { 1837 os << StringPrintf("%p %s\n", value, 1838 PrettyDescriptor(field->GetTypeDescriptor()).c_str()); 1839 } 1840 } 1841 break; 1842 } 1843 default: 1844 os << "unexpected field type: " << field->GetTypeDescriptor() << "\n"; 1845 break; 1846 } 1847 } 1848 1849 static void DumpFields(std::ostream& os, mirror::Object* obj, mirror::Class* klass) 1850 SHARED_REQUIRES(Locks::mutator_lock_) { 1851 mirror::Class* super = klass->GetSuperClass(); 1852 if (super != nullptr) { 1853 DumpFields(os, obj, super); 1854 } 1855 for (ArtField& field : klass->GetIFields()) { 1856 PrintField(os, &field, obj); 1857 } 1858 } 1859 1860 bool InDumpSpace(const mirror::Object* object) { 1861 return image_space_.Contains(object); 1862 } 1863 1864 const void* GetQuickOatCodeBegin(ArtMethod* m) 1865 SHARED_REQUIRES(Locks::mutator_lock_) { 1866 const void* quick_code = m->GetEntryPointFromQuickCompiledCodePtrSize( 1867 InstructionSetPointerSize(oat_dumper_->GetOatInstructionSet())); 1868 if (Runtime::Current()->GetClassLinker()->IsQuickResolutionStub(quick_code)) { 1869 quick_code = oat_dumper_->GetQuickOatCode(m); 1870 } 1871 if (oat_dumper_->GetInstructionSet() == kThumb2) { 1872 quick_code = reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(quick_code) & ~0x1); 1873 } 1874 return quick_code; 1875 } 1876 1877 uint32_t GetQuickOatCodeSize(ArtMethod* m) 1878 SHARED_REQUIRES(Locks::mutator_lock_) { 1879 const uint32_t* oat_code_begin = reinterpret_cast<const uint32_t*>(GetQuickOatCodeBegin(m)); 1880 if (oat_code_begin == nullptr) { 1881 return 0; 1882 } 1883 return oat_code_begin[-1]; 1884 } 1885 1886 const void* GetQuickOatCodeEnd(ArtMethod* m) 1887 SHARED_REQUIRES(Locks::mutator_lock_) { 1888 const uint8_t* oat_code_begin = reinterpret_cast<const uint8_t*>(GetQuickOatCodeBegin(m)); 1889 if (oat_code_begin == nullptr) { 1890 return nullptr; 1891 } 1892 return oat_code_begin + GetQuickOatCodeSize(m); 1893 } 1894 1895 static void Callback(mirror::Object* obj, void* arg) SHARED_REQUIRES(Locks::mutator_lock_) { 1896 DCHECK(obj != nullptr); 1897 DCHECK(arg != nullptr); 1898 ImageDumper* state = reinterpret_cast<ImageDumper*>(arg); 1899 if (!state->InDumpSpace(obj)) { 1900 return; 1901 } 1902 1903 size_t object_bytes = obj->SizeOf(); 1904 size_t alignment_bytes = RoundUp(object_bytes, kObjectAlignment) - object_bytes; 1905 state->stats_.object_bytes += object_bytes; 1906 state->stats_.alignment_bytes += alignment_bytes; 1907 1908 std::ostream& os = state->vios_.Stream(); 1909 1910 mirror::Class* obj_class = obj->GetClass(); 1911 if (obj_class->IsArrayClass()) { 1912 os << StringPrintf("%p: %s length:%d\n", obj, PrettyDescriptor(obj_class).c_str(), 1913 obj->AsArray()->GetLength()); 1914 } else if (obj->IsClass()) { 1915 mirror::Class* klass = obj->AsClass(); 1916 os << StringPrintf("%p: java.lang.Class \"%s\" (", obj, PrettyDescriptor(klass).c_str()) 1917 << klass->GetStatus() << ")\n"; 1918 } else if (obj_class->IsStringClass()) { 1919 os << StringPrintf("%p: java.lang.String %s\n", obj, 1920 PrintableString(obj->AsString()->ToModifiedUtf8().c_str()).c_str()); 1921 } else { 1922 os << StringPrintf("%p: %s\n", obj, PrettyDescriptor(obj_class).c_str()); 1923 } 1924 ScopedIndentation indent1(&state->vios_); 1925 DumpFields(os, obj, obj_class); 1926 const auto image_pointer_size = 1927 InstructionSetPointerSize(state->oat_dumper_->GetOatInstructionSet()); 1928 if (obj->IsObjectArray()) { 1929 auto* obj_array = obj->AsObjectArray<mirror::Object>(); 1930 for (int32_t i = 0, length = obj_array->GetLength(); i < length; i++) { 1931 mirror::Object* value = obj_array->Get(i); 1932 size_t run = 0; 1933 for (int32_t j = i + 1; j < length; j++) { 1934 if (value == obj_array->Get(j)) { 1935 run++; 1936 } else { 1937 break; 1938 } 1939 } 1940 if (run == 0) { 1941 os << StringPrintf("%d: ", i); 1942 } else { 1943 os << StringPrintf("%d to %zd: ", i, i + run); 1944 i = i + run; 1945 } 1946 mirror::Class* value_class = 1947 (value == nullptr) ? obj_class->GetComponentType() : value->GetClass(); 1948 PrettyObjectValue(os, value_class, value); 1949 } 1950 } else if (obj->IsClass()) { 1951 mirror::Class* klass = obj->AsClass(); 1952 if (klass->NumStaticFields() != 0) { 1953 os << "STATICS:\n"; 1954 ScopedIndentation indent2(&state->vios_); 1955 for (ArtField& field : klass->GetSFields()) { 1956 PrintField(os, &field, field.GetDeclaringClass()); 1957 } 1958 } 1959 } else { 1960 auto it = state->dex_caches_.find(obj); 1961 if (it != state->dex_caches_.end()) { 1962 auto* dex_cache = down_cast<mirror::DexCache*>(obj); 1963 const auto& field_section = state->image_header_.GetImageSection( 1964 ImageHeader::kSectionArtFields); 1965 const auto& method_section = state->image_header_.GetMethodsSection(); 1966 size_t num_methods = dex_cache->NumResolvedMethods(); 1967 if (num_methods != 0u) { 1968 os << "Methods (size=" << num_methods << "):"; 1969 ScopedIndentation indent2(&state->vios_); 1970 auto* resolved_methods = dex_cache->GetResolvedMethods(); 1971 for (size_t i = 0, length = dex_cache->NumResolvedMethods(); i < length; ++i) { 1972 auto* elem = mirror::DexCache::GetElementPtrSize(resolved_methods, i, image_pointer_size); 1973 size_t run = 0; 1974 for (size_t j = i + 1; 1975 j != length && elem == mirror::DexCache::GetElementPtrSize(resolved_methods, 1976 j, 1977 image_pointer_size); 1978 ++j, ++run) {} 1979 if (run == 0) { 1980 os << StringPrintf("%zd: ", i); 1981 } else { 1982 os << StringPrintf("%zd to %zd: ", i, i + run); 1983 i = i + run; 1984 } 1985 std::string msg; 1986 if (elem == nullptr) { 1987 msg = "null"; 1988 } else if (method_section.Contains( 1989 reinterpret_cast<uint8_t*>(elem) - state->image_space_.Begin())) { 1990 msg = PrettyMethod(reinterpret_cast<ArtMethod*>(elem)); 1991 } else { 1992 msg = "<not in method section>"; 1993 } 1994 os << StringPrintf("%p %s\n", elem, msg.c_str()); 1995 } 1996 } 1997 size_t num_fields = dex_cache->NumResolvedFields(); 1998 if (num_fields != 0u) { 1999 os << "Fields (size=" << num_fields << "):"; 2000 ScopedIndentation indent2(&state->vios_); 2001 auto* resolved_fields = dex_cache->GetResolvedFields(); 2002 for (size_t i = 0, length = dex_cache->NumResolvedFields(); i < length; ++i) { 2003 auto* elem = mirror::DexCache::GetElementPtrSize(resolved_fields, i, image_pointer_size); 2004 size_t run = 0; 2005 for (size_t j = i + 1; 2006 j != length && elem == mirror::DexCache::GetElementPtrSize(resolved_fields, 2007 j, 2008 image_pointer_size); 2009 ++j, ++run) {} 2010 if (run == 0) { 2011 os << StringPrintf("%zd: ", i); 2012 } else { 2013 os << StringPrintf("%zd to %zd: ", i, i + run); 2014 i = i + run; 2015 } 2016 std::string msg; 2017 if (elem == nullptr) { 2018 msg = "null"; 2019 } else if (field_section.Contains( 2020 reinterpret_cast<uint8_t*>(elem) - state->image_space_.Begin())) { 2021 msg = PrettyField(reinterpret_cast<ArtField*>(elem)); 2022 } else { 2023 msg = "<not in field section>"; 2024 } 2025 os << StringPrintf("%p %s\n", elem, msg.c_str()); 2026 } 2027 } 2028 } 2029 } 2030 std::string temp; 2031 state->stats_.Update(obj_class->GetDescriptor(&temp), object_bytes); 2032 } 2033 2034 void DumpMethod(ArtMethod* method, ImageDumper* state, std::ostream& indent_os) 2035 SHARED_REQUIRES(Locks::mutator_lock_) { 2036 DCHECK(method != nullptr); 2037 const auto image_pointer_size = 2038 InstructionSetPointerSize(state->oat_dumper_->GetOatInstructionSet()); 2039 const void* quick_oat_code_begin = state->GetQuickOatCodeBegin(method); 2040 const void* quick_oat_code_end = state->GetQuickOatCodeEnd(method); 2041 OatQuickMethodHeader* method_header = reinterpret_cast<OatQuickMethodHeader*>( 2042 reinterpret_cast<uintptr_t>(quick_oat_code_begin) - sizeof(OatQuickMethodHeader)); 2043 if (method->IsNative()) { 2044 if (!Runtime::Current()->GetClassLinker()->IsQuickGenericJniStub(quick_oat_code_begin)) { 2045 DCHECK(method_header->GetNativeGcMap() == nullptr) << PrettyMethod(method); 2046 DCHECK(method_header->GetMappingTable() == nullptr) << PrettyMethod(method); 2047 } 2048 bool first_occurrence; 2049 uint32_t quick_oat_code_size = state->GetQuickOatCodeSize(method); 2050 state->ComputeOatSize(quick_oat_code_begin, &first_occurrence); 2051 if (first_occurrence) { 2052 state->stats_.native_to_managed_code_bytes += quick_oat_code_size; 2053 } 2054 if (quick_oat_code_begin != 2055 method->GetEntryPointFromQuickCompiledCodePtrSize(image_pointer_size)) { 2056 indent_os << StringPrintf("OAT CODE: %p\n", quick_oat_code_begin); 2057 } 2058 } else if (method->IsAbstract() || method->IsCalleeSaveMethod() || 2059 method->IsResolutionMethod() || method->IsImtConflictMethod() || 2060 method->IsImtUnimplementedMethod() || method->IsClassInitializer()) { 2061 } else { 2062 const DexFile::CodeItem* code_item = method->GetCodeItem(); 2063 size_t dex_instruction_bytes = code_item->insns_size_in_code_units_ * 2; 2064 state->stats_.dex_instruction_bytes += dex_instruction_bytes; 2065 2066 bool first_occurrence; 2067 size_t gc_map_bytes = state->ComputeOatSize( 2068 method_header->GetNativeGcMap(), &first_occurrence); 2069 if (first_occurrence) { 2070 state->stats_.gc_map_bytes += gc_map_bytes; 2071 } 2072 2073 size_t pc_mapping_table_bytes = state->ComputeOatSize( 2074 method_header->GetMappingTable(), &first_occurrence); 2075 if (first_occurrence) { 2076 state->stats_.pc_mapping_table_bytes += pc_mapping_table_bytes; 2077 } 2078 2079 size_t vmap_table_bytes = 0u; 2080 if (!method_header->IsOptimized()) { 2081 // Method compiled with the optimizing compiler have no vmap table. 2082 vmap_table_bytes = state->ComputeOatSize( 2083 method_header->GetVmapTable(), &first_occurrence); 2084 if (first_occurrence) { 2085 state->stats_.vmap_table_bytes += vmap_table_bytes; 2086 } 2087 } 2088 2089 uint32_t quick_oat_code_size = state->GetQuickOatCodeSize(method); 2090 state->ComputeOatSize(quick_oat_code_begin, &first_occurrence); 2091 if (first_occurrence) { 2092 state->stats_.managed_code_bytes += quick_oat_code_size; 2093 if (method->IsConstructor()) { 2094 if (method->IsStatic()) { 2095 state->stats_.class_initializer_code_bytes += quick_oat_code_size; 2096 } else if (dex_instruction_bytes > kLargeConstructorDexBytes) { 2097 state->stats_.large_initializer_code_bytes += quick_oat_code_size; 2098 } 2099 } else if (dex_instruction_bytes > kLargeMethodDexBytes) { 2100 state->stats_.large_method_code_bytes += quick_oat_code_size; 2101 } 2102 } 2103 state->stats_.managed_code_bytes_ignoring_deduplication += quick_oat_code_size; 2104 2105 uint32_t method_access_flags = method->GetAccessFlags(); 2106 2107 indent_os << StringPrintf("OAT CODE: %p-%p\n", quick_oat_code_begin, quick_oat_code_end); 2108 indent_os << StringPrintf("SIZE: Dex Instructions=%zd GC=%zd Mapping=%zd AccessFlags=0x%x\n", 2109 dex_instruction_bytes, gc_map_bytes, pc_mapping_table_bytes, 2110 method_access_flags); 2111 2112 size_t total_size = dex_instruction_bytes + gc_map_bytes + pc_mapping_table_bytes + 2113 vmap_table_bytes + quick_oat_code_size + ArtMethod::Size(image_pointer_size); 2114 2115 double expansion = 2116 static_cast<double>(quick_oat_code_size) / static_cast<double>(dex_instruction_bytes); 2117 state->stats_.ComputeOutliers(total_size, expansion, method); 2118 } 2119 } 2120 2121 std::set<const void*> already_seen_; 2122 // Compute the size of the given data within the oat file and whether this is the first time 2123 // this data has been requested 2124 size_t ComputeOatSize(const void* oat_data, bool* first_occurrence) { 2125 if (already_seen_.count(oat_data) == 0) { 2126 *first_occurrence = true; 2127 already_seen_.insert(oat_data); 2128 } else { 2129 *first_occurrence = false; 2130 } 2131 return oat_dumper_->ComputeSize(oat_data); 2132 } 2133 2134 public: 2135 struct Stats { 2136 size_t oat_file_bytes; 2137 size_t file_bytes; 2138 2139 size_t header_bytes; 2140 size_t object_bytes; 2141 size_t art_field_bytes; 2142 size_t art_method_bytes; 2143 size_t dex_cache_arrays_bytes; 2144 size_t interned_strings_bytes; 2145 size_t class_table_bytes; 2146 size_t bitmap_bytes; 2147 size_t alignment_bytes; 2148 2149 size_t managed_code_bytes; 2150 size_t managed_code_bytes_ignoring_deduplication; 2151 size_t managed_to_native_code_bytes; 2152 size_t native_to_managed_code_bytes; 2153 size_t class_initializer_code_bytes; 2154 size_t large_initializer_code_bytes; 2155 size_t large_method_code_bytes; 2156 2157 size_t gc_map_bytes; 2158 size_t pc_mapping_table_bytes; 2159 size_t vmap_table_bytes; 2160 2161 size_t dex_instruction_bytes; 2162 2163 std::vector<ArtMethod*> method_outlier; 2164 std::vector<size_t> method_outlier_size; 2165 std::vector<double> method_outlier_expansion; 2166 std::vector<std::pair<std::string, size_t>> oat_dex_file_sizes; 2167 2168 Stats() 2169 : oat_file_bytes(0), 2170 file_bytes(0), 2171 header_bytes(0), 2172 object_bytes(0), 2173 art_field_bytes(0), 2174 art_method_bytes(0), 2175 dex_cache_arrays_bytes(0), 2176 interned_strings_bytes(0), 2177 class_table_bytes(0), 2178 bitmap_bytes(0), 2179 alignment_bytes(0), 2180 managed_code_bytes(0), 2181 managed_code_bytes_ignoring_deduplication(0), 2182 managed_to_native_code_bytes(0), 2183 native_to_managed_code_bytes(0), 2184 class_initializer_code_bytes(0), 2185 large_initializer_code_bytes(0), 2186 large_method_code_bytes(0), 2187 gc_map_bytes(0), 2188 pc_mapping_table_bytes(0), 2189 vmap_table_bytes(0), 2190 dex_instruction_bytes(0) {} 2191 2192 struct SizeAndCount { 2193 SizeAndCount(size_t bytes_in, size_t count_in) : bytes(bytes_in), count(count_in) {} 2194 size_t bytes; 2195 size_t count; 2196 }; 2197 typedef SafeMap<std::string, SizeAndCount> SizeAndCountTable; 2198 SizeAndCountTable sizes_and_counts; 2199 2200 void Update(const char* descriptor, size_t object_bytes_in) { 2201 SizeAndCountTable::iterator it = sizes_and_counts.find(descriptor); 2202 if (it != sizes_and_counts.end()) { 2203 it->second.bytes += object_bytes_in; 2204 it->second.count += 1; 2205 } else { 2206 sizes_and_counts.Put(descriptor, SizeAndCount(object_bytes_in, 1)); 2207 } 2208 } 2209 2210 double PercentOfOatBytes(size_t size) { 2211 return (static_cast<double>(size) / static_cast<double>(oat_file_bytes)) * 100; 2212 } 2213 2214 double PercentOfFileBytes(size_t size) { 2215 return (static_cast<double>(size) / static_cast<double>(file_bytes)) * 100; 2216 } 2217 2218 double PercentOfObjectBytes(size_t size) { 2219 return (static_cast<double>(size) / static_cast<double>(object_bytes)) * 100; 2220 } 2221 2222 void ComputeOutliers(size_t total_size, double expansion, ArtMethod* method) { 2223 method_outlier_size.push_back(total_size); 2224 method_outlier_expansion.push_back(expansion); 2225 method_outlier.push_back(method); 2226 } 2227 2228 void DumpOutliers(std::ostream& os) 2229 SHARED_REQUIRES(Locks::mutator_lock_) { 2230 size_t sum_of_sizes = 0; 2231 size_t sum_of_sizes_squared = 0; 2232 size_t sum_of_expansion = 0; 2233 size_t sum_of_expansion_squared = 0; 2234 size_t n = method_outlier_size.size(); 2235 if (n == 0) { 2236 return; 2237 } 2238 for (size_t i = 0; i < n; i++) { 2239 size_t cur_size = method_outlier_size[i]; 2240 sum_of_sizes += cur_size; 2241 sum_of_sizes_squared += cur_size * cur_size; 2242 double cur_expansion = method_outlier_expansion[i]; 2243 sum_of_expansion += cur_expansion; 2244 sum_of_expansion_squared += cur_expansion * cur_expansion; 2245 } 2246 size_t size_mean = sum_of_sizes / n; 2247 size_t size_variance = (sum_of_sizes_squared - sum_of_sizes * size_mean) / (n - 1); 2248 double expansion_mean = sum_of_expansion / n; 2249 double expansion_variance = 2250 (sum_of_expansion_squared - sum_of_expansion * expansion_mean) / (n - 1); 2251 2252 // Dump methods whose size is a certain number of standard deviations from the mean 2253 size_t dumped_values = 0; 2254 size_t skipped_values = 0; 2255 for (size_t i = 100; i > 0; i--) { // i is the current number of standard deviations 2256 size_t cur_size_variance = i * i * size_variance; 2257 bool first = true; 2258 for (size_t j = 0; j < n; j++) { 2259 size_t cur_size = method_outlier_size[j]; 2260 if (cur_size > size_mean) { 2261 size_t cur_var = cur_size - size_mean; 2262 cur_var = cur_var * cur_var; 2263 if (cur_var > cur_size_variance) { 2264 if (dumped_values > 20) { 2265 if (i == 1) { 2266 skipped_values++; 2267 } else { 2268 i = 2; // jump to counting for 1 standard deviation 2269 break; 2270 } 2271 } else { 2272 if (first) { 2273 os << "\nBig methods (size > " << i << " standard deviations the norm):\n"; 2274 first = false; 2275 } 2276 os << PrettyMethod(method_outlier[j]) << " requires storage of " 2277 << PrettySize(cur_size) << "\n"; 2278 method_outlier_size[j] = 0; // don't consider this method again 2279 dumped_values++; 2280 } 2281 } 2282 } 2283 } 2284 } 2285 if (skipped_values > 0) { 2286 os << "... skipped " << skipped_values 2287 << " methods with size > 1 standard deviation from the norm\n"; 2288 } 2289 os << std::flush; 2290 2291 // Dump methods whose expansion is a certain number of standard deviations from the mean 2292 dumped_values = 0; 2293 skipped_values = 0; 2294 for (size_t i = 10; i > 0; i--) { // i is the current number of standard deviations 2295 double cur_expansion_variance = i * i * expansion_variance; 2296 bool first = true; 2297 for (size_t j = 0; j < n; j++) { 2298 double cur_expansion = method_outlier_expansion[j]; 2299 if (cur_expansion > expansion_mean) { 2300 size_t cur_var = cur_expansion - expansion_mean; 2301 cur_var = cur_var * cur_var; 2302 if (cur_var > cur_expansion_variance) { 2303 if (dumped_values > 20) { 2304 if (i == 1) { 2305 skipped_values++; 2306 } else { 2307 i = 2; // jump to counting for 1 standard deviation 2308 break; 2309 } 2310 } else { 2311 if (first) { 2312 os << "\nLarge expansion methods (size > " << i 2313 << " standard deviations the norm):\n"; 2314 first = false; 2315 } 2316 os << PrettyMethod(method_outlier[j]) << " expanded code by " 2317 << cur_expansion << "\n"; 2318 method_outlier_expansion[j] = 0.0; // don't consider this method again 2319 dumped_values++; 2320 } 2321 } 2322 } 2323 } 2324 } 2325 if (skipped_values > 0) { 2326 os << "... skipped " << skipped_values 2327 << " methods with expansion > 1 standard deviation from the norm\n"; 2328 } 2329 os << "\n" << std::flush; 2330 } 2331 2332 void Dump(std::ostream& os, std::ostream& indent_os) 2333 SHARED_REQUIRES(Locks::mutator_lock_) { 2334 { 2335 os << "art_file_bytes = " << PrettySize(file_bytes) << "\n\n" 2336 << "art_file_bytes = header_bytes + object_bytes + alignment_bytes\n"; 2337 indent_os << StringPrintf("header_bytes = %8zd (%2.0f%% of art file bytes)\n" 2338 "object_bytes = %8zd (%2.0f%% of art file bytes)\n" 2339 "art_field_bytes = %8zd (%2.0f%% of art file bytes)\n" 2340 "art_method_bytes = %8zd (%2.0f%% of art file bytes)\n" 2341 "dex_cache_arrays_bytes = %8zd (%2.0f%% of art file bytes)\n" 2342 "interned_string_bytes = %8zd (%2.0f%% of art file bytes)\n" 2343 "class_table_bytes = %8zd (%2.0f%% of art file bytes)\n" 2344 "bitmap_bytes = %8zd (%2.0f%% of art file bytes)\n" 2345 "alignment_bytes = %8zd (%2.0f%% of art file bytes)\n\n", 2346 header_bytes, PercentOfFileBytes(header_bytes), 2347 object_bytes, PercentOfFileBytes(object_bytes), 2348 art_field_bytes, PercentOfFileBytes(art_field_bytes), 2349 art_method_bytes, PercentOfFileBytes(art_method_bytes), 2350 dex_cache_arrays_bytes, 2351 PercentOfFileBytes(dex_cache_arrays_bytes), 2352 interned_strings_bytes, 2353 PercentOfFileBytes(interned_strings_bytes), 2354 class_table_bytes, PercentOfFileBytes(class_table_bytes), 2355 bitmap_bytes, PercentOfFileBytes(bitmap_bytes), 2356 alignment_bytes, PercentOfFileBytes(alignment_bytes)) 2357 << std::flush; 2358 CHECK_EQ(file_bytes, 2359 header_bytes + object_bytes + art_field_bytes + art_method_bytes + 2360 dex_cache_arrays_bytes + interned_strings_bytes + class_table_bytes + 2361 bitmap_bytes + alignment_bytes); 2362 } 2363 2364 os << "object_bytes breakdown:\n"; 2365 size_t object_bytes_total = 0; 2366 for (const auto& sizes_and_count : sizes_and_counts) { 2367 const std::string& descriptor(sizes_and_count.first); 2368 double average = static_cast<double>(sizes_and_count.second.bytes) / 2369 static_cast<double>(sizes_and_count.second.count); 2370 double percent = PercentOfObjectBytes(sizes_and_count.second.bytes); 2371 os << StringPrintf("%32s %8zd bytes %6zd instances " 2372 "(%4.0f bytes/instance) %2.0f%% of object_bytes\n", 2373 descriptor.c_str(), sizes_and_count.second.bytes, 2374 sizes_and_count.second.count, average, percent); 2375 object_bytes_total += sizes_and_count.second.bytes; 2376 } 2377 os << "\n" << std::flush; 2378 CHECK_EQ(object_bytes, object_bytes_total); 2379 2380 os << StringPrintf("oat_file_bytes = %8zd\n" 2381 "managed_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 2382 "managed_to_native_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 2383 "native_to_managed_code_bytes = %8zd (%2.0f%% of oat file bytes)\n\n" 2384 "class_initializer_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 2385 "large_initializer_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 2386 "large_method_code_bytes = %8zd (%2.0f%% of oat file bytes)\n\n", 2387 oat_file_bytes, 2388 managed_code_bytes, 2389 PercentOfOatBytes(managed_code_bytes), 2390 managed_to_native_code_bytes, 2391 PercentOfOatBytes(managed_to_native_code_bytes), 2392 native_to_managed_code_bytes, 2393 PercentOfOatBytes(native_to_managed_code_bytes), 2394 class_initializer_code_bytes, 2395 PercentOfOatBytes(class_initializer_code_bytes), 2396 large_initializer_code_bytes, 2397 PercentOfOatBytes(large_initializer_code_bytes), 2398 large_method_code_bytes, 2399 PercentOfOatBytes(large_method_code_bytes)) 2400 << "DexFile sizes:\n"; 2401 for (const std::pair<std::string, size_t>& oat_dex_file_size : oat_dex_file_sizes) { 2402 os << StringPrintf("%s = %zd (%2.0f%% of oat file bytes)\n", 2403 oat_dex_file_size.first.c_str(), oat_dex_file_size.second, 2404 PercentOfOatBytes(oat_dex_file_size.second)); 2405 } 2406 2407 os << "\n" << StringPrintf("gc_map_bytes = %7zd (%2.0f%% of oat file bytes)\n" 2408 "pc_mapping_table_bytes = %7zd (%2.0f%% of oat file bytes)\n" 2409 "vmap_table_bytes = %7zd (%2.0f%% of oat file bytes)\n\n", 2410 gc_map_bytes, PercentOfOatBytes(gc_map_bytes), 2411 pc_mapping_table_bytes, PercentOfOatBytes(pc_mapping_table_bytes), 2412 vmap_table_bytes, PercentOfOatBytes(vmap_table_bytes)) 2413 << std::flush; 2414 2415 os << StringPrintf("dex_instruction_bytes = %zd\n", dex_instruction_bytes) 2416 << StringPrintf("managed_code_bytes expansion = %.2f (ignoring deduplication %.2f)\n\n", 2417 static_cast<double>(managed_code_bytes) / 2418 static_cast<double>(dex_instruction_bytes), 2419 static_cast<double>(managed_code_bytes_ignoring_deduplication) / 2420 static_cast<double>(dex_instruction_bytes)) 2421 << std::flush; 2422 2423 DumpOutliers(os); 2424 } 2425 } stats_; 2426 2427 private: 2428 enum { 2429 // Number of bytes for a constructor to be considered large. Based on the 1000 basic block 2430 // threshold, we assume 2 bytes per instruction and 2 instructions per block. 2431 kLargeConstructorDexBytes = 4000, 2432 // Number of bytes for a method to be considered large. Based on the 4000 basic block 2433 // threshold, we assume 2 bytes per instruction and 2 instructions per block. 2434 kLargeMethodDexBytes = 16000 2435 }; 2436 2437 // For performance, use the *os_ directly for anything that doesn't need indentation 2438 // and prepare an indentation stream with default indentation 1. 2439 std::ostream* os_; 2440 VariableIndentationOutputStream vios_; 2441 ScopedIndentation indent1_; 2442 2443 gc::space::ImageSpace& image_space_; 2444 const ImageHeader& image_header_; 2445 std::unique_ptr<OatDumper> oat_dumper_; 2446 OatDumperOptions* oat_dumper_options_; 2447 std::set<mirror::Object*> dex_caches_; 2448 2449 DISALLOW_COPY_AND_ASSIGN(ImageDumper); 2450}; 2451 2452static int DumpImage(Runtime* runtime, OatDumperOptions* options, std::ostream* os) { 2453 // Dumping the image, no explicit class loader. 2454 ScopedNullHandle<mirror::ClassLoader> null_class_loader; 2455 options->class_loader_ = &null_class_loader; 2456 2457 ScopedObjectAccess soa(Thread::Current()); 2458 gc::Heap* heap = runtime->GetHeap(); 2459 std::vector<gc::space::ImageSpace*> image_spaces = heap->GetBootImageSpaces(); 2460 CHECK(!image_spaces.empty()); 2461 for (gc::space::ImageSpace* image_space : image_spaces) { 2462 const ImageHeader& image_header = image_space->GetImageHeader(); 2463 if (!image_header.IsValid()) { 2464 fprintf(stderr, "Invalid image header %s\n", image_space->GetImageLocation().c_str()); 2465 return EXIT_FAILURE; 2466 } 2467 2468 ImageDumper image_dumper(os, *image_space, image_header, options); 2469 if (!image_dumper.Dump()) { 2470 return EXIT_FAILURE; 2471 } 2472 } 2473 return EXIT_SUCCESS; 2474} 2475 2476static int DumpOatWithRuntime(Runtime* runtime, OatFile* oat_file, OatDumperOptions* options, 2477 std::ostream* os) { 2478 CHECK(runtime != nullptr && oat_file != nullptr && options != nullptr); 2479 2480 Thread* self = Thread::Current(); 2481 CHECK(self != nullptr); 2482 // Need well-known-classes. 2483 WellKnownClasses::Init(self->GetJniEnv()); 2484 2485 // Need to register dex files to get a working dex cache. 2486 ScopedObjectAccess soa(self); 2487 ClassLinker* class_linker = runtime->GetClassLinker(); 2488 runtime->GetOatFileManager().RegisterOatFile(std::unique_ptr<const OatFile>(oat_file)); 2489 std::vector<const DexFile*> class_path; 2490 for (const OatFile::OatDexFile* odf : oat_file->GetOatDexFiles()) { 2491 std::string error_msg; 2492 const DexFile* const dex_file = OpenDexFile(odf, &error_msg); 2493 CHECK(dex_file != nullptr) << error_msg; 2494 class_linker->RegisterDexFile(*dex_file, runtime->GetLinearAlloc()); 2495 class_path.push_back(dex_file); 2496 } 2497 2498 // Need a class loader. 2499 // Fake that we're a compiler. 2500 jobject class_loader = class_linker->CreatePathClassLoader(self, class_path); 2501 2502 // Use the class loader while dumping. 2503 StackHandleScope<1> scope(self); 2504 Handle<mirror::ClassLoader> loader_handle = scope.NewHandle( 2505 soa.Decode<mirror::ClassLoader*>(class_loader)); 2506 options->class_loader_ = &loader_handle; 2507 2508 OatDumper oat_dumper(*oat_file, *options); 2509 bool success = oat_dumper.Dump(*os); 2510 return (success) ? EXIT_SUCCESS : EXIT_FAILURE; 2511} 2512 2513static int DumpOatWithoutRuntime(OatFile* oat_file, OatDumperOptions* options, std::ostream* os) { 2514 CHECK(oat_file != nullptr && options != nullptr); 2515 // No image = no class loader. 2516 ScopedNullHandle<mirror::ClassLoader> null_class_loader; 2517 options->class_loader_ = &null_class_loader; 2518 2519 OatDumper oat_dumper(*oat_file, *options); 2520 bool success = oat_dumper.Dump(*os); 2521 return (success) ? EXIT_SUCCESS : EXIT_FAILURE; 2522} 2523 2524static int DumpOat(Runtime* runtime, const char* oat_filename, OatDumperOptions* options, 2525 std::ostream* os) { 2526 std::string error_msg; 2527 OatFile* oat_file = OatFile::Open(oat_filename, oat_filename, nullptr, nullptr, false, 2528 nullptr, &error_msg); 2529 if (oat_file == nullptr) { 2530 fprintf(stderr, "Failed to open oat file from '%s': %s\n", oat_filename, error_msg.c_str()); 2531 return EXIT_FAILURE; 2532 } 2533 2534 if (runtime != nullptr) { 2535 return DumpOatWithRuntime(runtime, oat_file, options, os); 2536 } else { 2537 return DumpOatWithoutRuntime(oat_file, options, os); 2538 } 2539} 2540 2541static int SymbolizeOat(const char* oat_filename, std::string& output_name) { 2542 std::string error_msg; 2543 OatFile* oat_file = OatFile::Open(oat_filename, oat_filename, nullptr, nullptr, false, 2544 nullptr, &error_msg); 2545 if (oat_file == nullptr) { 2546 fprintf(stderr, "Failed to open oat file from '%s': %s\n", oat_filename, error_msg.c_str()); 2547 return EXIT_FAILURE; 2548 } 2549 2550 OatSymbolizer oat_symbolizer(oat_file, output_name); 2551 if (!oat_symbolizer.Symbolize()) { 2552 fprintf(stderr, "Failed to symbolize\n"); 2553 return EXIT_FAILURE; 2554 } 2555 2556 return EXIT_SUCCESS; 2557} 2558 2559struct OatdumpArgs : public CmdlineArgs { 2560 protected: 2561 using Base = CmdlineArgs; 2562 2563 virtual ParseStatus ParseCustom(const StringPiece& option, 2564 std::string* error_msg) OVERRIDE { 2565 { 2566 ParseStatus base_parse = Base::ParseCustom(option, error_msg); 2567 if (base_parse != kParseUnknownArgument) { 2568 return base_parse; 2569 } 2570 } 2571 2572 if (option.starts_with("--oat-file=")) { 2573 oat_filename_ = option.substr(strlen("--oat-file=")).data(); 2574 } else if (option.starts_with("--image=")) { 2575 image_location_ = option.substr(strlen("--image=")).data(); 2576 } else if (option =="--dump:raw_mapping_table") { 2577 dump_raw_mapping_table_ = true; 2578 } else if (option == "--dump:raw_gc_map") { 2579 dump_raw_gc_map_ = true; 2580 } else if (option == "--no-dump:vmap") { 2581 dump_vmap_ = false; 2582 } else if (option =="--dump:code_info_stack_maps") { 2583 dump_code_info_stack_maps_ = true; 2584 } else if (option == "--no-disassemble") { 2585 disassemble_code_ = false; 2586 } else if (option =="--header-only") { 2587 dump_header_only_ = true; 2588 } else if (option.starts_with("--symbolize=")) { 2589 oat_filename_ = option.substr(strlen("--symbolize=")).data(); 2590 symbolize_ = true; 2591 } else if (option.starts_with("--class-filter=")) { 2592 class_filter_ = option.substr(strlen("--class-filter=")).data(); 2593 } else if (option.starts_with("--method-filter=")) { 2594 method_filter_ = option.substr(strlen("--method-filter=")).data(); 2595 } else if (option.starts_with("--list-classes")) { 2596 list_classes_ = true; 2597 } else if (option.starts_with("--list-methods")) { 2598 list_methods_ = true; 2599 } else if (option.starts_with("--export-dex-to=")) { 2600 export_dex_location_ = option.substr(strlen("--export-dex-to=")).data(); 2601 } else if (option.starts_with("--addr2instr=")) { 2602 if (!ParseUint(option.substr(strlen("--addr2instr=")).data(), &addr2instr_)) { 2603 *error_msg = "Address conversion failed"; 2604 return kParseError; 2605 } 2606 } else { 2607 return kParseUnknownArgument; 2608 } 2609 2610 return kParseOk; 2611 } 2612 2613 virtual ParseStatus ParseChecks(std::string* error_msg) OVERRIDE { 2614 // Infer boot image location from the image location if possible. 2615 if (boot_image_location_ == nullptr) { 2616 boot_image_location_ = image_location_; 2617 } 2618 2619 // Perform the parent checks. 2620 ParseStatus parent_checks = Base::ParseChecks(error_msg); 2621 if (parent_checks != kParseOk) { 2622 return parent_checks; 2623 } 2624 2625 // Perform our own checks. 2626 if (image_location_ == nullptr && oat_filename_ == nullptr) { 2627 *error_msg = "Either --image or --oat-file must be specified"; 2628 return kParseError; 2629 } else if (image_location_ != nullptr && oat_filename_ != nullptr) { 2630 *error_msg = "Either --image or --oat-file must be specified but not both"; 2631 return kParseError; 2632 } 2633 2634 return kParseOk; 2635 } 2636 2637 virtual std::string GetUsage() const { 2638 std::string usage; 2639 2640 usage += 2641 "Usage: oatdump [options] ...\n" 2642 " Example: oatdump --image=$ANDROID_PRODUCT_OUT/system/framework/boot.art\n" 2643 " Example: adb shell oatdump --image=/system/framework/boot.art\n" 2644 "\n" 2645 // Either oat-file or image is required. 2646 " --oat-file=<file.oat>: specifies an input oat filename.\n" 2647 " Example: --oat-file=/system/framework/boot.oat\n" 2648 "\n" 2649 " --image=<file.art>: specifies an input image location.\n" 2650 " Example: --image=/system/framework/boot.art\n" 2651 "\n"; 2652 2653 usage += Base::GetUsage(); 2654 2655 usage += // Optional. 2656 " --dump:raw_mapping_table enables dumping of the mapping table.\n" 2657 " Example: --dump:raw_mapping_table\n" 2658 "\n" 2659 " --dump:raw_gc_map enables dumping of the GC map.\n" 2660 " Example: --dump:raw_gc_map\n" 2661 "\n" 2662 " --no-dump:vmap may be used to disable vmap dumping.\n" 2663 " Example: --no-dump:vmap\n" 2664 "\n" 2665 " --dump:code_info_stack_maps enables dumping of stack maps in CodeInfo sections.\n" 2666 " Example: --dump:code_info_stack_maps\n" 2667 "\n" 2668 " --no-disassemble may be used to disable disassembly.\n" 2669 " Example: --no-disassemble\n" 2670 "\n" 2671 " --header-only may be used to print only the oat header.\n" 2672 " Example: --header-only\n" 2673 "\n" 2674 " --list-classes may be used to list target file classes (can be used with filters).\n" 2675 " Example: --list-classes\n" 2676 " Example: --list-classes --class-filter=com.example.foo\n" 2677 "\n" 2678 " --list-methods may be used to list target file methods (can be used with filters).\n" 2679 " Example: --list-methods\n" 2680 " Example: --list-methods --class-filter=com.example --method-filter=foo\n" 2681 "\n" 2682 " --symbolize=<file.oat>: output a copy of file.oat with elf symbols included.\n" 2683 " Example: --symbolize=/system/framework/boot.oat\n" 2684 "\n" 2685 " --class-filter=<class name>: only dumps classes that contain the filter.\n" 2686 " Example: --class-filter=com.example.foo\n" 2687 "\n" 2688 " --method-filter=<method name>: only dumps methods that contain the filter.\n" 2689 " Example: --method-filter=foo\n" 2690 "\n" 2691 " --export-dex-to=<directory>: may be used to export oat embedded dex files.\n" 2692 " Example: --export-dex-to=/data/local/tmp\n" 2693 "\n" 2694 " --addr2instr=<address>: output matching method disassembled code from relative\n" 2695 " address (e.g. PC from crash dump)\n" 2696 " Example: --addr2instr=0x00001a3b\n" 2697 "\n"; 2698 2699 return usage; 2700 } 2701 2702 public: 2703 const char* oat_filename_ = nullptr; 2704 const char* class_filter_ = ""; 2705 const char* method_filter_ = ""; 2706 const char* image_location_ = nullptr; 2707 std::string elf_filename_prefix_; 2708 bool dump_raw_mapping_table_ = false; 2709 bool dump_raw_gc_map_ = false; 2710 bool dump_vmap_ = true; 2711 bool dump_code_info_stack_maps_ = false; 2712 bool disassemble_code_ = true; 2713 bool symbolize_ = false; 2714 bool list_classes_ = false; 2715 bool list_methods_ = false; 2716 bool dump_header_only_ = false; 2717 uint32_t addr2instr_ = 0; 2718 const char* export_dex_location_ = nullptr; 2719}; 2720 2721struct OatdumpMain : public CmdlineMain<OatdumpArgs> { 2722 virtual bool NeedsRuntime() OVERRIDE { 2723 CHECK(args_ != nullptr); 2724 2725 // If we are only doing the oat file, disable absolute_addresses. Keep them for image dumping. 2726 bool absolute_addresses = (args_->oat_filename_ == nullptr); 2727 2728 oat_dumper_options_ = std::unique_ptr<OatDumperOptions>(new OatDumperOptions( 2729 args_->dump_raw_mapping_table_, 2730 args_->dump_raw_gc_map_, 2731 args_->dump_vmap_, 2732 args_->dump_code_info_stack_maps_, 2733 args_->disassemble_code_, 2734 absolute_addresses, 2735 args_->class_filter_, 2736 args_->method_filter_, 2737 args_->list_classes_, 2738 args_->list_methods_, 2739 args_->dump_header_only_, 2740 args_->export_dex_location_, 2741 args_->addr2instr_)); 2742 2743 return (args_->boot_image_location_ != nullptr || args_->image_location_ != nullptr) && 2744 !args_->symbolize_; 2745 } 2746 2747 virtual bool ExecuteWithoutRuntime() OVERRIDE { 2748 CHECK(args_ != nullptr); 2749 CHECK(args_->oat_filename_ != nullptr); 2750 2751 MemMap::Init(); 2752 2753 if (args_->symbolize_) { 2754 return SymbolizeOat(args_->oat_filename_, args_->output_name_) == EXIT_SUCCESS; 2755 } else { 2756 return DumpOat(nullptr, 2757 args_->oat_filename_, 2758 oat_dumper_options_.get(), 2759 args_->os_) == EXIT_SUCCESS; 2760 } 2761 } 2762 2763 virtual bool ExecuteWithRuntime(Runtime* runtime) { 2764 CHECK(args_ != nullptr); 2765 2766 if (args_->oat_filename_ != nullptr) { 2767 return DumpOat(runtime, 2768 args_->oat_filename_, 2769 oat_dumper_options_.get(), 2770 args_->os_) == EXIT_SUCCESS; 2771 } 2772 2773 return DumpImage(runtime, oat_dumper_options_.get(), args_->os_) == EXIT_SUCCESS; 2774 } 2775 2776 std::unique_ptr<OatDumperOptions> oat_dumper_options_; 2777}; 2778 2779} // namespace art 2780 2781int main(int argc, char** argv) { 2782 art::OatdumpMain main; 2783 return main.Main(argc, argv); 2784} 2785