oatdump.cc revision 5d8112029d0e085c5a0099257daa4c7e29c12310
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 builder_->PrepareDynamicSection( 151 elf_file->GetPath(), rodata_size, text_size, oat_file_->BssSize()); 152 builder_->WriteDynamicSection(); 153 154 Walk(&art::OatSymbolizer::RegisterForDedup); 155 156 NormalizeState(); 157 158 strtab->Start(); 159 strtab->Write(""); // strtab should start with empty string. 160 AddTrampolineSymbols(); 161 Walk(&art::OatSymbolizer::AddSymbol); 162 strtab->End(); 163 164 symtab->Start(); 165 symtab->Write(); 166 symtab->End(); 167 168 builder_->End(); 169 170 return builder_->Good(); 171 } 172 173 void AddTrampolineSymbol(const char* name, uint32_t code_offset) { 174 if (code_offset != 0) { 175 uint32_t name_offset = builder_->GetStrTab()->Write(name); 176 uint64_t symbol_value = code_offset - oat_file_->GetOatHeader().GetExecutableOffset(); 177 // Specifying 0 as the symbol size means that the symbol lasts until the next symbol or until 178 // the end of the section in case of the last symbol. 179 builder_->GetSymTab()->Add(name_offset, builder_->GetText(), symbol_value, 180 /* is_relative */ true, /* size */ 0, STB_GLOBAL, STT_FUNC); 181 } 182 } 183 184 void AddTrampolineSymbols() { 185 const OatHeader& oat_header = oat_file_->GetOatHeader(); 186 AddTrampolineSymbol("interpreterToInterpreterBridge", 187 oat_header.GetInterpreterToInterpreterBridgeOffset()); 188 AddTrampolineSymbol("interpreterToCompiledCodeBridge", 189 oat_header.GetInterpreterToCompiledCodeBridgeOffset()); 190 AddTrampolineSymbol("jniDlsymLookup", 191 oat_header.GetJniDlsymLookupOffset()); 192 AddTrampolineSymbol("quickGenericJniTrampoline", 193 oat_header.GetQuickGenericJniTrampolineOffset()); 194 AddTrampolineSymbol("quickImtConflictTrampoline", 195 oat_header.GetQuickImtConflictTrampolineOffset()); 196 AddTrampolineSymbol("quickResolutionTrampoline", 197 oat_header.GetQuickResolutionTrampolineOffset()); 198 AddTrampolineSymbol("quickToInterpreterBridge", 199 oat_header.GetQuickToInterpreterBridgeOffset()); 200 } 201 202 void Walk(Callback callback) { 203 std::vector<const OatFile::OatDexFile*> oat_dex_files = oat_file_->GetOatDexFiles(); 204 for (size_t i = 0; i < oat_dex_files.size(); i++) { 205 const OatFile::OatDexFile* oat_dex_file = oat_dex_files[i]; 206 CHECK(oat_dex_file != nullptr); 207 WalkOatDexFile(oat_dex_file, callback); 208 } 209 } 210 211 void WalkOatDexFile(const OatFile::OatDexFile* oat_dex_file, Callback callback) { 212 std::string error_msg; 213 const DexFile* const dex_file = OpenDexFile(oat_dex_file, &error_msg); 214 if (dex_file == nullptr) { 215 return; 216 } 217 for (size_t class_def_index = 0; 218 class_def_index < dex_file->NumClassDefs(); 219 class_def_index++) { 220 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); 221 const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(class_def_index); 222 OatClassType type = oat_class.GetType(); 223 switch (type) { 224 case kOatClassAllCompiled: 225 case kOatClassSomeCompiled: 226 WalkOatClass(oat_class, *dex_file, class_def, callback); 227 break; 228 229 case kOatClassNoneCompiled: 230 case kOatClassMax: 231 // Ignore. 232 break; 233 } 234 } 235 } 236 237 void WalkOatClass(const OatFile::OatClass& oat_class, const DexFile& dex_file, 238 const DexFile::ClassDef& class_def, Callback callback) { 239 const uint8_t* class_data = dex_file.GetClassData(class_def); 240 if (class_data == nullptr) { // empty class such as a marker interface? 241 return; 242 } 243 // Note: even if this is an interface or a native class, we still have to walk it, as there 244 // might be a static initializer. 245 ClassDataItemIterator it(dex_file, class_data); 246 SkipAllFields(&it); 247 uint32_t class_method_idx = 0; 248 while (it.HasNextDirectMethod()) { 249 const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_idx); 250 WalkOatMethod(class_def, class_method_idx, oat_method, dex_file, it.GetMemberIndex(), 251 it.GetMethodCodeItem(), it.GetMethodAccessFlags(), callback); 252 class_method_idx++; 253 it.Next(); 254 } 255 while (it.HasNextVirtualMethod()) { 256 const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_idx); 257 WalkOatMethod(class_def, class_method_idx, oat_method, dex_file, it.GetMemberIndex(), 258 it.GetMethodCodeItem(), it.GetMethodAccessFlags(), callback); 259 class_method_idx++; 260 it.Next(); 261 } 262 DCHECK(!it.HasNext()); 263 } 264 265 void WalkOatMethod(const DexFile::ClassDef& class_def, uint32_t class_method_index, 266 const OatFile::OatMethod& oat_method, const DexFile& dex_file, 267 uint32_t dex_method_idx, const DexFile::CodeItem* code_item, 268 uint32_t method_access_flags, Callback callback) { 269 if ((method_access_flags & kAccAbstract) != 0) { 270 // Abstract method, no code. 271 return; 272 } 273 if (oat_method.GetCodeOffset() == 0) { 274 // No code. 275 return; 276 } 277 278 (this->*callback)(class_def, class_method_index, oat_method, dex_file, dex_method_idx, code_item, 279 method_access_flags); 280 } 281 282 void RegisterForDedup(const DexFile::ClassDef& class_def ATTRIBUTE_UNUSED, 283 uint32_t class_method_index ATTRIBUTE_UNUSED, 284 const OatFile::OatMethod& oat_method, 285 const DexFile& dex_file ATTRIBUTE_UNUSED, 286 uint32_t dex_method_idx ATTRIBUTE_UNUSED, 287 const DexFile::CodeItem* code_item ATTRIBUTE_UNUSED, 288 uint32_t method_access_flags ATTRIBUTE_UNUSED) { 289 state_[oat_method.GetCodeOffset()]++; 290 } 291 292 void NormalizeState() { 293 for (auto& x : state_) { 294 if (x.second == 1) { 295 state_[x.first] = 0; 296 } 297 } 298 } 299 300 enum class DedupState { // private 301 kNotDeduplicated, 302 kDeduplicatedFirst, 303 kDeduplicatedOther 304 }; 305 DedupState IsDuplicated(uint32_t offset) { 306 if (state_[offset] == 0) { 307 return DedupState::kNotDeduplicated; 308 } 309 if (state_[offset] == 1) { 310 return DedupState::kDeduplicatedOther; 311 } 312 state_[offset] = 1; 313 return DedupState::kDeduplicatedFirst; 314 } 315 316 void AddSymbol(const DexFile::ClassDef& class_def ATTRIBUTE_UNUSED, 317 uint32_t class_method_index ATTRIBUTE_UNUSED, 318 const OatFile::OatMethod& oat_method, 319 const DexFile& dex_file, 320 uint32_t dex_method_idx, 321 const DexFile::CodeItem* code_item ATTRIBUTE_UNUSED, 322 uint32_t method_access_flags ATTRIBUTE_UNUSED) { 323 DedupState dedup = IsDuplicated(oat_method.GetCodeOffset()); 324 if (dedup != DedupState::kDeduplicatedOther) { 325 std::string pretty_name = PrettyMethod(dex_method_idx, dex_file, true); 326 327 if (dedup == DedupState::kDeduplicatedFirst) { 328 pretty_name = "[Dedup]" + pretty_name; 329 } 330 331 int name_offset = builder_->GetStrTab()->Write(pretty_name); 332 builder_->GetSymTab()->Add(name_offset, builder_->GetText(), 333 oat_method.GetCodeOffset() - oat_file_->GetOatHeader().GetExecutableOffset(), 334 true, oat_method.GetQuickCodeSize(), STB_GLOBAL, STT_FUNC); 335 } 336 } 337 338 private: 339 static void SkipAllFields(ClassDataItemIterator* it) { 340 while (it->HasNextStaticField()) { 341 it->Next(); 342 } 343 while (it->HasNextInstanceField()) { 344 it->Next(); 345 } 346 } 347 348 const OatFile* oat_file_; 349 std::unique_ptr<ElfBuilder<ElfTypes32> > builder_; 350 std::unordered_map<uint32_t, uint32_t> state_; 351 const std::string output_name_; 352}; 353 354class OatDumperOptions { 355 public: 356 OatDumperOptions(bool dump_raw_mapping_table, 357 bool dump_raw_gc_map, 358 bool dump_vmap, 359 bool dump_code_info_stack_maps, 360 bool disassemble_code, 361 bool absolute_addresses, 362 const char* class_filter, 363 const char* method_filter, 364 bool list_classes, 365 bool list_methods, 366 bool dump_header_only, 367 const char* export_dex_location, 368 uint32_t addr2instr) 369 : dump_raw_mapping_table_(dump_raw_mapping_table), 370 dump_raw_gc_map_(dump_raw_gc_map), 371 dump_vmap_(dump_vmap), 372 dump_code_info_stack_maps_(dump_code_info_stack_maps), 373 disassemble_code_(disassemble_code), 374 absolute_addresses_(absolute_addresses), 375 class_filter_(class_filter), 376 method_filter_(method_filter), 377 list_classes_(list_classes), 378 list_methods_(list_methods), 379 dump_header_only_(dump_header_only), 380 export_dex_location_(export_dex_location), 381 addr2instr_(addr2instr), 382 class_loader_(nullptr) {} 383 384 const bool dump_raw_mapping_table_; 385 const bool dump_raw_gc_map_; 386 const bool dump_vmap_; 387 const bool dump_code_info_stack_maps_; 388 const bool disassemble_code_; 389 const bool absolute_addresses_; 390 const char* const class_filter_; 391 const char* const method_filter_; 392 const bool list_classes_; 393 const bool list_methods_; 394 const bool dump_header_only_; 395 const char* const export_dex_location_; 396 uint32_t addr2instr_; 397 Handle<mirror::ClassLoader>* class_loader_; 398}; 399 400class OatDumper { 401 public: 402 OatDumper(const OatFile& oat_file, const OatDumperOptions& options) 403 : oat_file_(oat_file), 404 oat_dex_files_(oat_file.GetOatDexFiles()), 405 options_(options), 406 resolved_addr2instr_(0), 407 instruction_set_(oat_file_.GetOatHeader().GetInstructionSet()), 408 disassembler_(Disassembler::Create(instruction_set_, 409 new DisassemblerOptions(options_.absolute_addresses_, 410 oat_file.Begin(), 411 true /* can_read_literals_ */))) { 412 CHECK(options_.class_loader_ != nullptr); 413 CHECK(options_.class_filter_ != nullptr); 414 CHECK(options_.method_filter_ != nullptr); 415 AddAllOffsets(); 416 } 417 418 ~OatDumper() { 419 delete disassembler_; 420 } 421 422 InstructionSet GetInstructionSet() { 423 return instruction_set_; 424 } 425 426 bool Dump(std::ostream& os) { 427 bool success = true; 428 const OatHeader& oat_header = oat_file_.GetOatHeader(); 429 430 os << "MAGIC:\n"; 431 os << oat_header.GetMagic() << "\n\n"; 432 433 os << "LOCATION:\n"; 434 os << oat_file_.GetLocation() << "\n\n"; 435 436 os << "CHECKSUM:\n"; 437 os << StringPrintf("0x%08x\n\n", oat_header.GetChecksum()); 438 439 os << "INSTRUCTION SET:\n"; 440 os << oat_header.GetInstructionSet() << "\n\n"; 441 442 { 443 std::unique_ptr<const InstructionSetFeatures> features( 444 InstructionSetFeatures::FromBitmap(oat_header.GetInstructionSet(), 445 oat_header.GetInstructionSetFeaturesBitmap())); 446 os << "INSTRUCTION SET FEATURES:\n"; 447 os << features->GetFeatureString() << "\n\n"; 448 } 449 450 os << "DEX FILE COUNT:\n"; 451 os << oat_header.GetDexFileCount() << "\n\n"; 452 453#define DUMP_OAT_HEADER_OFFSET(label, offset) \ 454 os << label " OFFSET:\n"; \ 455 os << StringPrintf("0x%08x", oat_header.offset()); \ 456 if (oat_header.offset() != 0 && options_.absolute_addresses_) { \ 457 os << StringPrintf(" (%p)", oat_file_.Begin() + oat_header.offset()); \ 458 } \ 459 os << StringPrintf("\n\n"); 460 461 DUMP_OAT_HEADER_OFFSET("EXECUTABLE", GetExecutableOffset); 462 DUMP_OAT_HEADER_OFFSET("INTERPRETER TO INTERPRETER BRIDGE", 463 GetInterpreterToInterpreterBridgeOffset); 464 DUMP_OAT_HEADER_OFFSET("INTERPRETER TO COMPILED CODE BRIDGE", 465 GetInterpreterToCompiledCodeBridgeOffset); 466 DUMP_OAT_HEADER_OFFSET("JNI DLSYM LOOKUP", 467 GetJniDlsymLookupOffset); 468 DUMP_OAT_HEADER_OFFSET("QUICK GENERIC JNI TRAMPOLINE", 469 GetQuickGenericJniTrampolineOffset); 470 DUMP_OAT_HEADER_OFFSET("QUICK IMT CONFLICT TRAMPOLINE", 471 GetQuickImtConflictTrampolineOffset); 472 DUMP_OAT_HEADER_OFFSET("QUICK RESOLUTION TRAMPOLINE", 473 GetQuickResolutionTrampolineOffset); 474 DUMP_OAT_HEADER_OFFSET("QUICK TO INTERPRETER BRIDGE", 475 GetQuickToInterpreterBridgeOffset); 476#undef DUMP_OAT_HEADER_OFFSET 477 478 os << "IMAGE PATCH DELTA:\n"; 479 os << StringPrintf("%d (0x%08x)\n\n", 480 oat_header.GetImagePatchDelta(), 481 oat_header.GetImagePatchDelta()); 482 483 os << "IMAGE FILE LOCATION OAT CHECKSUM:\n"; 484 os << StringPrintf("0x%08x\n\n", oat_header.GetImageFileLocationOatChecksum()); 485 486 os << "IMAGE FILE LOCATION OAT BEGIN:\n"; 487 os << StringPrintf("0x%08x\n\n", oat_header.GetImageFileLocationOatDataBegin()); 488 489 // Print the key-value store. 490 { 491 os << "KEY VALUE STORE:\n"; 492 size_t index = 0; 493 const char* key; 494 const char* value; 495 while (oat_header.GetStoreKeyValuePairByIndex(index, &key, &value)) { 496 os << key << " = " << value << "\n"; 497 index++; 498 } 499 os << "\n"; 500 } 501 502 if (options_.absolute_addresses_) { 503 os << "BEGIN:\n"; 504 os << reinterpret_cast<const void*>(oat_file_.Begin()) << "\n\n"; 505 506 os << "END:\n"; 507 os << reinterpret_cast<const void*>(oat_file_.End()) << "\n\n"; 508 } 509 510 os << "SIZE:\n"; 511 os << oat_file_.Size() << "\n\n"; 512 513 os << std::flush; 514 515 // If set, adjust relative address to be searched 516 if (options_.addr2instr_ != 0) { 517 resolved_addr2instr_ = options_.addr2instr_ + oat_header.GetExecutableOffset(); 518 os << "SEARCH ADDRESS (executable offset + input):\n"; 519 os << StringPrintf("0x%08x\n\n", resolved_addr2instr_); 520 } 521 522 if (!options_.dump_header_only_) { 523 for (size_t i = 0; i < oat_dex_files_.size(); i++) { 524 const OatFile::OatDexFile* oat_dex_file = oat_dex_files_[i]; 525 CHECK(oat_dex_file != nullptr); 526 527 // If file export selected skip file analysis 528 if (options_.export_dex_location_) { 529 if (!ExportDexFile(os, *oat_dex_file)) { 530 success = false; 531 } 532 } else { 533 if (!DumpOatDexFile(os, *oat_dex_file)) { 534 success = false; 535 } 536 } 537 } 538 } 539 540 os << std::flush; 541 return success; 542 } 543 544 size_t ComputeSize(const void* oat_data) { 545 if (reinterpret_cast<const uint8_t*>(oat_data) < oat_file_.Begin() || 546 reinterpret_cast<const uint8_t*>(oat_data) > oat_file_.End()) { 547 return 0; // Address not in oat file 548 } 549 uintptr_t begin_offset = reinterpret_cast<uintptr_t>(oat_data) - 550 reinterpret_cast<uintptr_t>(oat_file_.Begin()); 551 auto it = offsets_.upper_bound(begin_offset); 552 CHECK(it != offsets_.end()); 553 uintptr_t end_offset = *it; 554 return end_offset - begin_offset; 555 } 556 557 InstructionSet GetOatInstructionSet() { 558 return oat_file_.GetOatHeader().GetInstructionSet(); 559 } 560 561 const void* GetQuickOatCode(ArtMethod* m) SHARED_REQUIRES(Locks::mutator_lock_) { 562 for (size_t i = 0; i < oat_dex_files_.size(); i++) { 563 const OatFile::OatDexFile* oat_dex_file = oat_dex_files_[i]; 564 CHECK(oat_dex_file != nullptr); 565 std::string error_msg; 566 const DexFile* const dex_file = OpenDexFile(oat_dex_file, &error_msg); 567 if (dex_file == nullptr) { 568 LOG(WARNING) << "Failed to open dex file '" << oat_dex_file->GetDexFileLocation() 569 << "': " << error_msg; 570 } else { 571 const char* descriptor = m->GetDeclaringClassDescriptor(); 572 const DexFile::ClassDef* class_def = 573 dex_file->FindClassDef(descriptor, ComputeModifiedUtf8Hash(descriptor)); 574 if (class_def != nullptr) { 575 uint16_t class_def_index = dex_file->GetIndexForClassDef(*class_def); 576 const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(class_def_index); 577 size_t method_index = m->GetMethodIndex(); 578 return oat_class.GetOatMethod(method_index).GetQuickCode(); 579 } 580 } 581 } 582 return nullptr; 583 } 584 585 private: 586 void AddAllOffsets() { 587 // We don't know the length of the code for each method, but we need to know where to stop 588 // when disassembling. What we do know is that a region of code will be followed by some other 589 // region, so if we keep a sorted sequence of the start of each region, we can infer the length 590 // of a piece of code by using upper_bound to find the start of the next region. 591 for (size_t i = 0; i < oat_dex_files_.size(); i++) { 592 const OatFile::OatDexFile* oat_dex_file = oat_dex_files_[i]; 593 CHECK(oat_dex_file != nullptr); 594 std::string error_msg; 595 const DexFile* const dex_file = OpenDexFile(oat_dex_file, &error_msg); 596 if (dex_file == nullptr) { 597 LOG(WARNING) << "Failed to open dex file '" << oat_dex_file->GetDexFileLocation() 598 << "': " << error_msg; 599 continue; 600 } 601 offsets_.insert(reinterpret_cast<uintptr_t>(&dex_file->GetHeader())); 602 for (size_t class_def_index = 0; 603 class_def_index < dex_file->NumClassDefs(); 604 class_def_index++) { 605 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); 606 const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(class_def_index); 607 const uint8_t* class_data = dex_file->GetClassData(class_def); 608 if (class_data != nullptr) { 609 ClassDataItemIterator it(*dex_file, class_data); 610 SkipAllFields(it); 611 uint32_t class_method_index = 0; 612 while (it.HasNextDirectMethod()) { 613 AddOffsets(oat_class.GetOatMethod(class_method_index++)); 614 it.Next(); 615 } 616 while (it.HasNextVirtualMethod()) { 617 AddOffsets(oat_class.GetOatMethod(class_method_index++)); 618 it.Next(); 619 } 620 } 621 } 622 } 623 624 // If the last thing in the file is code for a method, there won't be an offset for the "next" 625 // thing. Instead of having a special case in the upper_bound code, let's just add an entry 626 // for the end of the file. 627 offsets_.insert(oat_file_.Size()); 628 } 629 630 static uint32_t AlignCodeOffset(uint32_t maybe_thumb_offset) { 631 return maybe_thumb_offset & ~0x1; // TODO: Make this Thumb2 specific. 632 } 633 634 void AddOffsets(const OatFile::OatMethod& oat_method) { 635 uint32_t code_offset = oat_method.GetCodeOffset(); 636 if (oat_file_.GetOatHeader().GetInstructionSet() == kThumb2) { 637 code_offset &= ~0x1; 638 } 639 offsets_.insert(code_offset); 640 offsets_.insert(oat_method.GetMappingTableOffset()); 641 offsets_.insert(oat_method.GetVmapTableOffset()); 642 offsets_.insert(oat_method.GetGcMapOffset()); 643 } 644 645 bool DumpOatDexFile(std::ostream& os, const OatFile::OatDexFile& oat_dex_file) { 646 bool success = true; 647 bool stop_analysis = false; 648 os << "OatDexFile:\n"; 649 os << StringPrintf("location: %s\n", oat_dex_file.GetDexFileLocation().c_str()); 650 os << StringPrintf("checksum: 0x%08x\n", oat_dex_file.GetDexFileLocationChecksum()); 651 652 // Create the verifier early. 653 654 std::string error_msg; 655 const DexFile* const dex_file = OpenDexFile(&oat_dex_file, &error_msg); 656 if (dex_file == nullptr) { 657 os << "NOT FOUND: " << error_msg << "\n\n"; 658 os << std::flush; 659 return false; 660 } 661 662 VariableIndentationOutputStream vios(&os); 663 ScopedIndentation indent1(&vios); 664 for (size_t class_def_index = 0; 665 class_def_index < dex_file->NumClassDefs(); 666 class_def_index++) { 667 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); 668 const char* descriptor = dex_file->GetClassDescriptor(class_def); 669 670 // TODO: Support regex 671 if (DescriptorToDot(descriptor).find(options_.class_filter_) == std::string::npos) { 672 continue; 673 } 674 675 uint32_t oat_class_offset = oat_dex_file.GetOatClassOffset(class_def_index); 676 const OatFile::OatClass oat_class = oat_dex_file.GetOatClass(class_def_index); 677 os << StringPrintf("%zd: %s (offset=0x%08x) (type_idx=%d)", 678 class_def_index, descriptor, oat_class_offset, class_def.class_idx_) 679 << " (" << oat_class.GetStatus() << ")" 680 << " (" << oat_class.GetType() << ")\n"; 681 // TODO: include bitmap here if type is kOatClassSomeCompiled? 682 if (options_.list_classes_) continue; 683 if (!DumpOatClass(&vios, oat_class, *dex_file, class_def, &stop_analysis)) { 684 success = false; 685 } 686 if (stop_analysis) { 687 os << std::flush; 688 return success; 689 } 690 } 691 692 os << std::flush; 693 return success; 694 } 695 696 bool ExportDexFile(std::ostream& os, const OatFile::OatDexFile& oat_dex_file) { 697 std::string error_msg; 698 std::string dex_file_location = oat_dex_file.GetDexFileLocation(); 699 700 const DexFile* const dex_file = OpenDexFile(&oat_dex_file, &error_msg); 701 if (dex_file == nullptr) { 702 os << "Failed to open dex file '" << dex_file_location << "': " << error_msg; 703 return false; 704 } 705 size_t fsize = oat_dex_file.FileSize(); 706 707 // Some quick checks just in case 708 if (fsize == 0 || fsize < sizeof(DexFile::Header)) { 709 os << "Invalid dex file\n"; 710 return false; 711 } 712 713 // Verify output directory exists 714 if (!OS::DirectoryExists(options_.export_dex_location_)) { 715 // TODO: Extend OS::DirectoryExists if symlink support is required 716 os << options_.export_dex_location_ << " output directory not found or symlink\n"; 717 return false; 718 } 719 720 // Beautify path names 721 if (dex_file_location.size() > PATH_MAX || dex_file_location.size() <= 0) { 722 return false; 723 } 724 725 std::string dex_orig_name; 726 size_t dex_orig_pos = dex_file_location.rfind('/'); 727 if (dex_orig_pos == std::string::npos) 728 dex_orig_name = dex_file_location; 729 else 730 dex_orig_name = dex_file_location.substr(dex_orig_pos + 1); 731 732 // A more elegant approach to efficiently name user installed apps is welcome 733 if (dex_orig_name.size() == 8 && !dex_orig_name.compare("base.apk")) { 734 dex_file_location.erase(dex_orig_pos, strlen("base.apk") + 1); 735 size_t apk_orig_pos = dex_file_location.rfind('/'); 736 if (apk_orig_pos != std::string::npos) { 737 dex_orig_name = dex_file_location.substr(++apk_orig_pos); 738 } 739 } 740 741 std::string out_dex_path(options_.export_dex_location_); 742 if (out_dex_path.back() != '/') { 743 out_dex_path.append("/"); 744 } 745 out_dex_path.append(dex_orig_name); 746 out_dex_path.append("_export.dex"); 747 if (out_dex_path.length() > PATH_MAX) { 748 return false; 749 } 750 751 std::unique_ptr<File> file(OS::CreateEmptyFile(out_dex_path.c_str())); 752 if (file.get() == nullptr) { 753 os << "Failed to open output dex file " << out_dex_path; 754 return false; 755 } 756 757 if (!file->WriteFully(dex_file->Begin(), fsize)) { 758 os << "Failed to write dex file"; 759 file->Erase(); 760 return false; 761 } 762 763 if (file->FlushCloseOrErase() != 0) { 764 os << "Flush and close failed"; 765 return false; 766 } 767 768 os << StringPrintf("Dex file exported at %s (%zd bytes)\n", out_dex_path.c_str(), fsize); 769 os << std::flush; 770 771 return true; 772 } 773 774 static void SkipAllFields(ClassDataItemIterator& it) { 775 while (it.HasNextStaticField()) { 776 it.Next(); 777 } 778 while (it.HasNextInstanceField()) { 779 it.Next(); 780 } 781 } 782 783 bool DumpOatClass(VariableIndentationOutputStream* vios, 784 const OatFile::OatClass& oat_class, const DexFile& dex_file, 785 const DexFile::ClassDef& class_def, bool* stop_analysis) { 786 bool success = true; 787 bool addr_found = false; 788 const uint8_t* class_data = dex_file.GetClassData(class_def); 789 if (class_data == nullptr) { // empty class such as a marker interface? 790 vios->Stream() << std::flush; 791 return success; 792 } 793 ClassDataItemIterator it(dex_file, class_data); 794 SkipAllFields(it); 795 uint32_t class_method_index = 0; 796 while (it.HasNextDirectMethod()) { 797 if (!DumpOatMethod(vios, class_def, class_method_index, oat_class, dex_file, 798 it.GetMemberIndex(), it.GetMethodCodeItem(), 799 it.GetRawMemberAccessFlags(), &addr_found)) { 800 success = false; 801 } 802 if (addr_found) { 803 *stop_analysis = true; 804 return success; 805 } 806 class_method_index++; 807 it.Next(); 808 } 809 while (it.HasNextVirtualMethod()) { 810 if (!DumpOatMethod(vios, class_def, class_method_index, oat_class, dex_file, 811 it.GetMemberIndex(), it.GetMethodCodeItem(), 812 it.GetRawMemberAccessFlags(), &addr_found)) { 813 success = false; 814 } 815 if (addr_found) { 816 *stop_analysis = true; 817 return success; 818 } 819 class_method_index++; 820 it.Next(); 821 } 822 DCHECK(!it.HasNext()); 823 vios->Stream() << std::flush; 824 return success; 825 } 826 827 static constexpr uint32_t kPrologueBytes = 16; 828 829 // When this was picked, the largest arm method was 55,256 bytes and arm64 was 50,412 bytes. 830 static constexpr uint32_t kMaxCodeSize = 100 * 1000; 831 832 bool DumpOatMethod(VariableIndentationOutputStream* vios, 833 const DexFile::ClassDef& class_def, 834 uint32_t class_method_index, 835 const OatFile::OatClass& oat_class, const DexFile& dex_file, 836 uint32_t dex_method_idx, const DexFile::CodeItem* code_item, 837 uint32_t method_access_flags, bool* addr_found) { 838 bool success = true; 839 840 // TODO: Support regex 841 std::string method_name = dex_file.GetMethodName(dex_file.GetMethodId(dex_method_idx)); 842 if (method_name.find(options_.method_filter_) == std::string::npos) { 843 return success; 844 } 845 846 std::string pretty_method = PrettyMethod(dex_method_idx, dex_file, true); 847 vios->Stream() << StringPrintf("%d: %s (dex_method_idx=%d)\n", 848 class_method_index, pretty_method.c_str(), 849 dex_method_idx); 850 if (options_.list_methods_) return success; 851 852 uint32_t oat_method_offsets_offset = oat_class.GetOatMethodOffsetsOffset(class_method_index); 853 const OatMethodOffsets* oat_method_offsets = oat_class.GetOatMethodOffsets(class_method_index); 854 const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_index); 855 uint32_t code_offset = oat_method.GetCodeOffset(); 856 uint32_t code_size = oat_method.GetQuickCodeSize(); 857 if (resolved_addr2instr_ != 0) { 858 if (resolved_addr2instr_ > code_offset + code_size) { 859 return success; 860 } else { 861 *addr_found = true; // stop analyzing file at next iteration 862 } 863 } 864 865 // Everything below is indented at least once. 866 ScopedIndentation indent1(vios); 867 868 { 869 vios->Stream() << "DEX CODE:\n"; 870 ScopedIndentation indent2(vios); 871 DumpDexCode(vios->Stream(), dex_file, code_item); 872 } 873 874 std::unique_ptr<StackHandleScope<1>> hs; 875 std::unique_ptr<verifier::MethodVerifier> verifier; 876 if (Runtime::Current() != nullptr) { 877 // We need to have the handle scope stay live until after the verifier since the verifier has 878 // a handle to the dex cache from hs. 879 hs.reset(new StackHandleScope<1>(Thread::Current())); 880 vios->Stream() << "VERIFIER TYPE ANALYSIS:\n"; 881 ScopedIndentation indent2(vios); 882 verifier.reset(DumpVerifier(vios, hs.get(), 883 dex_method_idx, &dex_file, class_def, code_item, 884 method_access_flags)); 885 } 886 { 887 vios->Stream() << "OatMethodOffsets "; 888 if (options_.absolute_addresses_) { 889 vios->Stream() << StringPrintf("%p ", oat_method_offsets); 890 } 891 vios->Stream() << StringPrintf("(offset=0x%08x)\n", oat_method_offsets_offset); 892 if (oat_method_offsets_offset > oat_file_.Size()) { 893 vios->Stream() << StringPrintf( 894 "WARNING: oat method offsets offset 0x%08x is past end of file 0x%08zx.\n", 895 oat_method_offsets_offset, oat_file_.Size()); 896 // If we can't read OatMethodOffsets, the rest of the data is dangerous to read. 897 vios->Stream() << std::flush; 898 return false; 899 } 900 901 ScopedIndentation indent2(vios); 902 vios->Stream() << StringPrintf("code_offset: 0x%08x ", code_offset); 903 uint32_t aligned_code_begin = AlignCodeOffset(oat_method.GetCodeOffset()); 904 if (aligned_code_begin > oat_file_.Size()) { 905 vios->Stream() << StringPrintf("WARNING: " 906 "code offset 0x%08x is past end of file 0x%08zx.\n", 907 aligned_code_begin, oat_file_.Size()); 908 success = false; 909 } 910 vios->Stream() << "\n"; 911 912 vios->Stream() << "gc_map: "; 913 if (options_.absolute_addresses_) { 914 vios->Stream() << StringPrintf("%p ", oat_method.GetGcMap()); 915 } 916 uint32_t gc_map_offset = oat_method.GetGcMapOffset(); 917 vios->Stream() << StringPrintf("(offset=0x%08x)\n", gc_map_offset); 918 if (gc_map_offset > oat_file_.Size()) { 919 vios->Stream() << StringPrintf("WARNING: " 920 "gc map table offset 0x%08x is past end of file 0x%08zx.\n", 921 gc_map_offset, oat_file_.Size()); 922 success = false; 923 } else if (options_.dump_raw_gc_map_) { 924 ScopedIndentation indent3(vios); 925 DumpGcMap(vios->Stream(), oat_method, code_item); 926 } 927 } 928 { 929 vios->Stream() << "OatQuickMethodHeader "; 930 uint32_t method_header_offset = oat_method.GetOatQuickMethodHeaderOffset(); 931 const OatQuickMethodHeader* method_header = oat_method.GetOatQuickMethodHeader(); 932 933 if (options_.absolute_addresses_) { 934 vios->Stream() << StringPrintf("%p ", method_header); 935 } 936 vios->Stream() << StringPrintf("(offset=0x%08x)\n", method_header_offset); 937 if (method_header_offset > oat_file_.Size()) { 938 vios->Stream() << StringPrintf( 939 "WARNING: oat quick method header offset 0x%08x is past end of file 0x%08zx.\n", 940 method_header_offset, oat_file_.Size()); 941 // If we can't read the OatQuickMethodHeader, the rest of the data is dangerous to read. 942 vios->Stream() << std::flush; 943 return false; 944 } 945 946 ScopedIndentation indent2(vios); 947 vios->Stream() << "mapping_table: "; 948 if (options_.absolute_addresses_) { 949 vios->Stream() << StringPrintf("%p ", oat_method.GetMappingTable()); 950 } 951 uint32_t mapping_table_offset = oat_method.GetMappingTableOffset(); 952 vios->Stream() << StringPrintf("(offset=0x%08x)\n", oat_method.GetMappingTableOffset()); 953 if (mapping_table_offset > oat_file_.Size()) { 954 vios->Stream() << StringPrintf("WARNING: " 955 "mapping table offset 0x%08x is past end of file 0x%08zx. " 956 "mapping table offset was loaded from offset 0x%08x.\n", 957 mapping_table_offset, oat_file_.Size(), 958 oat_method.GetMappingTableOffsetOffset()); 959 success = false; 960 } else if (options_.dump_raw_mapping_table_) { 961 ScopedIndentation indent3(vios); 962 DumpMappingTable(vios, oat_method); 963 } 964 965 vios->Stream() << "vmap_table: "; 966 if (options_.absolute_addresses_) { 967 vios->Stream() << StringPrintf("%p ", oat_method.GetVmapTable()); 968 } 969 uint32_t vmap_table_offset = oat_method.GetVmapTableOffset(); 970 vios->Stream() << StringPrintf("(offset=0x%08x)\n", vmap_table_offset); 971 if (vmap_table_offset > oat_file_.Size()) { 972 vios->Stream() << StringPrintf("WARNING: " 973 "vmap table offset 0x%08x is past end of file 0x%08zx. " 974 "vmap table offset was loaded from offset 0x%08x.\n", 975 vmap_table_offset, oat_file_.Size(), 976 oat_method.GetVmapTableOffsetOffset()); 977 success = false; 978 } else if (options_.dump_vmap_) { 979 DumpVmapData(vios, oat_method, code_item); 980 } 981 } 982 { 983 vios->Stream() << "QuickMethodFrameInfo\n"; 984 985 ScopedIndentation indent2(vios); 986 vios->Stream() 987 << StringPrintf("frame_size_in_bytes: %zd\n", oat_method.GetFrameSizeInBytes()); 988 vios->Stream() << StringPrintf("core_spill_mask: 0x%08x ", oat_method.GetCoreSpillMask()); 989 DumpSpillMask(vios->Stream(), oat_method.GetCoreSpillMask(), false); 990 vios->Stream() << "\n"; 991 vios->Stream() << StringPrintf("fp_spill_mask: 0x%08x ", oat_method.GetFpSpillMask()); 992 DumpSpillMask(vios->Stream(), oat_method.GetFpSpillMask(), true); 993 vios->Stream() << "\n"; 994 } 995 { 996 // Based on spill masks from QuickMethodFrameInfo so placed 997 // after it is dumped, but useful for understanding quick 998 // code, so dumped here. 999 ScopedIndentation indent2(vios); 1000 DumpVregLocations(vios->Stream(), oat_method, code_item); 1001 } 1002 { 1003 vios->Stream() << "CODE: "; 1004 uint32_t code_size_offset = oat_method.GetQuickCodeSizeOffset(); 1005 if (code_size_offset > oat_file_.Size()) { 1006 ScopedIndentation indent2(vios); 1007 vios->Stream() << StringPrintf("WARNING: " 1008 "code size offset 0x%08x is past end of file 0x%08zx.", 1009 code_size_offset, oat_file_.Size()); 1010 success = false; 1011 } else { 1012 const void* code = oat_method.GetQuickCode(); 1013 uint32_t aligned_code_begin = AlignCodeOffset(code_offset); 1014 uint64_t aligned_code_end = aligned_code_begin + code_size; 1015 1016 if (options_.absolute_addresses_) { 1017 vios->Stream() << StringPrintf("%p ", code); 1018 } 1019 vios->Stream() << StringPrintf("(code_offset=0x%08x size_offset=0x%08x size=%u)%s\n", 1020 code_offset, 1021 code_size_offset, 1022 code_size, 1023 code != nullptr ? "..." : ""); 1024 1025 ScopedIndentation indent2(vios); 1026 if (aligned_code_begin > oat_file_.Size()) { 1027 vios->Stream() << StringPrintf("WARNING: " 1028 "start of code at 0x%08x is past end of file 0x%08zx.", 1029 aligned_code_begin, oat_file_.Size()); 1030 success = false; 1031 } else if (aligned_code_end > oat_file_.Size()) { 1032 vios->Stream() << StringPrintf( 1033 "WARNING: " 1034 "end of code at 0x%08" PRIx64 " is past end of file 0x%08zx. " 1035 "code size is 0x%08x loaded from offset 0x%08x.\n", 1036 aligned_code_end, oat_file_.Size(), 1037 code_size, code_size_offset); 1038 success = false; 1039 if (options_.disassemble_code_) { 1040 if (code_size_offset + kPrologueBytes <= oat_file_.Size()) { 1041 DumpCode(vios, verifier.get(), oat_method, code_item, true, kPrologueBytes); 1042 } 1043 } 1044 } else if (code_size > kMaxCodeSize) { 1045 vios->Stream() << StringPrintf( 1046 "WARNING: " 1047 "code size %d is bigger than max expected threshold of %d. " 1048 "code size is 0x%08x loaded from offset 0x%08x.\n", 1049 code_size, kMaxCodeSize, 1050 code_size, code_size_offset); 1051 success = false; 1052 if (options_.disassemble_code_) { 1053 if (code_size_offset + kPrologueBytes <= oat_file_.Size()) { 1054 DumpCode(vios, verifier.get(), oat_method, code_item, true, kPrologueBytes); 1055 } 1056 } 1057 } else if (options_.disassemble_code_) { 1058 DumpCode(vios, verifier.get(), oat_method, code_item, !success, 0); 1059 } 1060 } 1061 } 1062 vios->Stream() << std::flush; 1063 return success; 1064 } 1065 1066 void DumpSpillMask(std::ostream& os, uint32_t spill_mask, bool is_float) { 1067 if (spill_mask == 0) { 1068 return; 1069 } 1070 os << "("; 1071 for (size_t i = 0; i < 32; i++) { 1072 if ((spill_mask & (1 << i)) != 0) { 1073 if (is_float) { 1074 os << "fr" << i; 1075 } else { 1076 os << "r" << i; 1077 } 1078 spill_mask ^= 1 << i; // clear bit 1079 if (spill_mask != 0) { 1080 os << ", "; 1081 } else { 1082 break; 1083 } 1084 } 1085 } 1086 os << ")"; 1087 } 1088 1089 // Display data stored at the the vmap offset of an oat method. 1090 void DumpVmapData(VariableIndentationOutputStream* vios, 1091 const OatFile::OatMethod& oat_method, 1092 const DexFile::CodeItem* code_item) { 1093 if (IsMethodGeneratedByOptimizingCompiler(oat_method, code_item)) { 1094 // The optimizing compiler outputs its CodeInfo data in the vmap table. 1095 const void* raw_code_info = oat_method.GetVmapTable(); 1096 if (raw_code_info != nullptr) { 1097 CodeInfo code_info(raw_code_info); 1098 DCHECK(code_item != nullptr); 1099 ScopedIndentation indent1(vios); 1100 DumpCodeInfo(vios, code_info, oat_method, *code_item); 1101 } 1102 } else if (IsMethodGeneratedByDexToDexCompiler(oat_method, code_item)) { 1103 // We don't encode the size in the table, so just emit that we have quickened 1104 // information. 1105 ScopedIndentation indent(vios); 1106 vios->Stream() << "quickened data\n"; 1107 } else { 1108 // Otherwise, display the vmap table. 1109 const uint8_t* raw_table = oat_method.GetVmapTable(); 1110 if (raw_table != nullptr) { 1111 VmapTable vmap_table(raw_table); 1112 DumpVmapTable(vios->Stream(), oat_method, vmap_table); 1113 } 1114 } 1115 } 1116 1117 // Display a CodeInfo object emitted by the optimizing compiler. 1118 void DumpCodeInfo(VariableIndentationOutputStream* vios, 1119 const CodeInfo& code_info, 1120 const OatFile::OatMethod& oat_method, 1121 const DexFile::CodeItem& code_item) { 1122 code_info.Dump(vios, 1123 oat_method.GetCodeOffset(), 1124 code_item.registers_size_, 1125 options_.dump_code_info_stack_maps_); 1126 } 1127 1128 // Display a vmap table. 1129 void DumpVmapTable(std::ostream& os, 1130 const OatFile::OatMethod& oat_method, 1131 const VmapTable& vmap_table) { 1132 bool first = true; 1133 bool processing_fp = false; 1134 uint32_t spill_mask = oat_method.GetCoreSpillMask(); 1135 for (size_t i = 0; i < vmap_table.Size(); i++) { 1136 uint16_t dex_reg = vmap_table[i]; 1137 uint32_t cpu_reg = vmap_table.ComputeRegister(spill_mask, i, 1138 processing_fp ? kFloatVReg : kIntVReg); 1139 os << (first ? "v" : ", v") << dex_reg; 1140 if (!processing_fp) { 1141 os << "/r" << cpu_reg; 1142 } else { 1143 os << "/fr" << cpu_reg; 1144 } 1145 first = false; 1146 if (!processing_fp && dex_reg == 0xFFFF) { 1147 processing_fp = true; 1148 spill_mask = oat_method.GetFpSpillMask(); 1149 } 1150 } 1151 os << "\n"; 1152 } 1153 1154 void DumpVregLocations(std::ostream& os, const OatFile::OatMethod& oat_method, 1155 const DexFile::CodeItem* code_item) { 1156 if (code_item != nullptr) { 1157 size_t num_locals_ins = code_item->registers_size_; 1158 size_t num_ins = code_item->ins_size_; 1159 size_t num_locals = num_locals_ins - num_ins; 1160 size_t num_outs = code_item->outs_size_; 1161 1162 os << "vr_stack_locations:"; 1163 for (size_t reg = 0; reg <= num_locals_ins; reg++) { 1164 // For readability, delimit the different kinds of VRs. 1165 if (reg == num_locals_ins) { 1166 os << "\n\tmethod*:"; 1167 } else if (reg == num_locals && num_ins > 0) { 1168 os << "\n\tins:"; 1169 } else if (reg == 0 && num_locals > 0) { 1170 os << "\n\tlocals:"; 1171 } 1172 1173 uint32_t offset = StackVisitor::GetVRegOffsetFromQuickCode( 1174 code_item, 1175 oat_method.GetCoreSpillMask(), 1176 oat_method.GetFpSpillMask(), 1177 oat_method.GetFrameSizeInBytes(), 1178 reg, 1179 GetInstructionSet()); 1180 os << " v" << reg << "[sp + #" << offset << "]"; 1181 } 1182 1183 for (size_t out_reg = 0; out_reg < num_outs; out_reg++) { 1184 if (out_reg == 0) { 1185 os << "\n\touts:"; 1186 } 1187 1188 uint32_t offset = StackVisitor::GetOutVROffset(out_reg, GetInstructionSet()); 1189 os << " v" << out_reg << "[sp + #" << offset << "]"; 1190 } 1191 1192 os << "\n"; 1193 } 1194 } 1195 1196 void DescribeVReg(std::ostream& os, const OatFile::OatMethod& oat_method, 1197 const DexFile::CodeItem* code_item, size_t reg, VRegKind kind) { 1198 const uint8_t* raw_table = oat_method.GetVmapTable(); 1199 if (raw_table != nullptr) { 1200 const VmapTable vmap_table(raw_table); 1201 uint32_t vmap_offset; 1202 if (vmap_table.IsInContext(reg, kind, &vmap_offset)) { 1203 bool is_float = (kind == kFloatVReg) || (kind == kDoubleLoVReg) || (kind == kDoubleHiVReg); 1204 uint32_t spill_mask = is_float ? oat_method.GetFpSpillMask() 1205 : oat_method.GetCoreSpillMask(); 1206 os << (is_float ? "fr" : "r") << vmap_table.ComputeRegister(spill_mask, vmap_offset, kind); 1207 } else { 1208 uint32_t offset = StackVisitor::GetVRegOffsetFromQuickCode( 1209 code_item, 1210 oat_method.GetCoreSpillMask(), 1211 oat_method.GetFpSpillMask(), 1212 oat_method.GetFrameSizeInBytes(), 1213 reg, 1214 GetInstructionSet()); 1215 os << "[sp + #" << offset << "]"; 1216 } 1217 } 1218 } 1219 1220 void DumpGcMapRegisters(std::ostream& os, const OatFile::OatMethod& oat_method, 1221 const DexFile::CodeItem* code_item, 1222 size_t num_regs, const uint8_t* reg_bitmap) { 1223 bool first = true; 1224 for (size_t reg = 0; reg < num_regs; reg++) { 1225 if (((reg_bitmap[reg / 8] >> (reg % 8)) & 0x01) != 0) { 1226 if (first) { 1227 os << " v" << reg << " ("; 1228 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 1229 os << ")"; 1230 first = false; 1231 } else { 1232 os << ", v" << reg << " ("; 1233 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 1234 os << ")"; 1235 } 1236 } 1237 } 1238 if (first) { 1239 os << "No registers in GC map\n"; 1240 } else { 1241 os << "\n"; 1242 } 1243 } 1244 void DumpGcMap(std::ostream& os, const OatFile::OatMethod& oat_method, 1245 const DexFile::CodeItem* code_item) { 1246 const uint8_t* gc_map_raw = oat_method.GetGcMap(); 1247 if (gc_map_raw == nullptr) { 1248 return; // No GC map. 1249 } 1250 const void* quick_code = oat_method.GetQuickCode(); 1251 NativePcOffsetToReferenceMap map(gc_map_raw); 1252 for (size_t entry = 0; entry < map.NumEntries(); entry++) { 1253 const uint8_t* native_pc = reinterpret_cast<const uint8_t*>(quick_code) + 1254 map.GetNativePcOffset(entry); 1255 os << StringPrintf("%p", native_pc); 1256 DumpGcMapRegisters(os, oat_method, code_item, map.RegWidth() * 8, map.GetBitMap(entry)); 1257 } 1258 } 1259 1260 void DumpMappingTable(VariableIndentationOutputStream* vios, 1261 const OatFile::OatMethod& oat_method) { 1262 const void* quick_code = oat_method.GetQuickCode(); 1263 if (quick_code == nullptr) { 1264 return; 1265 } 1266 MappingTable table(oat_method.GetMappingTable()); 1267 if (table.TotalSize() != 0) { 1268 if (table.PcToDexSize() != 0) { 1269 typedef MappingTable::PcToDexIterator It; 1270 vios->Stream() << "suspend point mappings {\n"; 1271 for (It cur = table.PcToDexBegin(), end = table.PcToDexEnd(); cur != end; ++cur) { 1272 ScopedIndentation indent1(vios); 1273 vios->Stream() << StringPrintf("0x%04x -> 0x%04x\n", cur.NativePcOffset(), cur.DexPc()); 1274 } 1275 vios->Stream() << "}\n"; 1276 } 1277 if (table.DexToPcSize() != 0) { 1278 typedef MappingTable::DexToPcIterator It; 1279 vios->Stream() << "catch entry mappings {\n"; 1280 for (It cur = table.DexToPcBegin(), end = table.DexToPcEnd(); cur != end; ++cur) { 1281 ScopedIndentation indent1(vios); 1282 vios->Stream() << StringPrintf("0x%04x -> 0x%04x\n", cur.NativePcOffset(), cur.DexPc()); 1283 } 1284 vios->Stream() << "}\n"; 1285 } 1286 } 1287 } 1288 1289 uint32_t DumpInformationAtOffset(VariableIndentationOutputStream* vios, 1290 const OatFile::OatMethod& oat_method, 1291 const DexFile::CodeItem* code_item, 1292 size_t offset, 1293 bool suspend_point_mapping) { 1294 if (IsMethodGeneratedByOptimizingCompiler(oat_method, code_item)) { 1295 if (suspend_point_mapping) { 1296 ScopedIndentation indent1(vios); 1297 DumpDexRegisterMapAtOffset(vios, oat_method, code_item, offset); 1298 } 1299 // The return value is not used in the case of a method compiled 1300 // with the optimizing compiler. 1301 return DexFile::kDexNoIndex; 1302 } else { 1303 return DumpMappingAtOffset(vios->Stream(), oat_method, offset, suspend_point_mapping); 1304 } 1305 } 1306 1307 uint32_t DumpMappingAtOffset(std::ostream& os, const OatFile::OatMethod& oat_method, 1308 size_t offset, bool suspend_point_mapping) { 1309 MappingTable table(oat_method.GetMappingTable()); 1310 if (suspend_point_mapping && table.PcToDexSize() > 0) { 1311 typedef MappingTable::PcToDexIterator It; 1312 for (It cur = table.PcToDexBegin(), end = table.PcToDexEnd(); cur != end; ++cur) { 1313 if (offset == cur.NativePcOffset()) { 1314 os << StringPrintf("suspend point dex PC: 0x%04x\n", cur.DexPc()); 1315 return cur.DexPc(); 1316 } 1317 } 1318 } else if (!suspend_point_mapping && table.DexToPcSize() > 0) { 1319 typedef MappingTable::DexToPcIterator It; 1320 for (It cur = table.DexToPcBegin(), end = table.DexToPcEnd(); cur != end; ++cur) { 1321 if (offset == cur.NativePcOffset()) { 1322 os << StringPrintf("catch entry dex PC: 0x%04x\n", cur.DexPc()); 1323 return cur.DexPc(); 1324 } 1325 } 1326 } 1327 return DexFile::kDexNoIndex; 1328 } 1329 1330 void DumpGcMapAtNativePcOffset(std::ostream& os, const OatFile::OatMethod& oat_method, 1331 const DexFile::CodeItem* code_item, size_t native_pc_offset) { 1332 const uint8_t* gc_map_raw = oat_method.GetGcMap(); 1333 if (gc_map_raw != nullptr) { 1334 NativePcOffsetToReferenceMap map(gc_map_raw); 1335 if (map.HasEntry(native_pc_offset)) { 1336 size_t num_regs = map.RegWidth() * 8; 1337 const uint8_t* reg_bitmap = map.FindBitMap(native_pc_offset); 1338 bool first = true; 1339 for (size_t reg = 0; reg < num_regs; reg++) { 1340 if (((reg_bitmap[reg / 8] >> (reg % 8)) & 0x01) != 0) { 1341 if (first) { 1342 os << "GC map objects: v" << reg << " ("; 1343 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 1344 os << ")"; 1345 first = false; 1346 } else { 1347 os << ", v" << reg << " ("; 1348 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 1349 os << ")"; 1350 } 1351 } 1352 } 1353 if (!first) { 1354 os << "\n"; 1355 } 1356 } 1357 } 1358 } 1359 1360 void DumpVRegsAtDexPc(std::ostream& os, verifier::MethodVerifier* verifier, 1361 const OatFile::OatMethod& oat_method, 1362 const DexFile::CodeItem* code_item, uint32_t dex_pc) { 1363 DCHECK(verifier != nullptr); 1364 std::vector<int32_t> kinds = verifier->DescribeVRegs(dex_pc); 1365 bool first = true; 1366 for (size_t reg = 0; reg < code_item->registers_size_; reg++) { 1367 VRegKind kind = static_cast<VRegKind>(kinds.at(reg * 2)); 1368 if (kind != kUndefined) { 1369 if (first) { 1370 os << "VRegs: v"; 1371 first = false; 1372 } else { 1373 os << ", v"; 1374 } 1375 os << reg << " ("; 1376 switch (kind) { 1377 case kImpreciseConstant: 1378 os << "Imprecise Constant: " << kinds.at((reg * 2) + 1) << ", "; 1379 DescribeVReg(os, oat_method, code_item, reg, kind); 1380 break; 1381 case kConstant: 1382 os << "Constant: " << kinds.at((reg * 2) + 1); 1383 break; 1384 default: 1385 DescribeVReg(os, oat_method, code_item, reg, kind); 1386 break; 1387 } 1388 os << ")"; 1389 } 1390 } 1391 if (!first) { 1392 os << "\n"; 1393 } 1394 } 1395 1396 1397 void DumpDexCode(std::ostream& os, const DexFile& dex_file, const DexFile::CodeItem* code_item) { 1398 if (code_item != nullptr) { 1399 size_t i = 0; 1400 while (i < code_item->insns_size_in_code_units_) { 1401 const Instruction* instruction = Instruction::At(&code_item->insns_[i]); 1402 os << StringPrintf("0x%04zx: ", i) << instruction->DumpHexLE(5) 1403 << StringPrintf("\t| %s\n", instruction->DumpString(&dex_file).c_str()); 1404 i += instruction->SizeInCodeUnits(); 1405 } 1406 } 1407 } 1408 1409 // Has `oat_method` -- corresponding to the Dex `code_item` -- been compiled by 1410 // the optimizing compiler? 1411 static bool IsMethodGeneratedByOptimizingCompiler(const OatFile::OatMethod& oat_method, 1412 const DexFile::CodeItem* code_item) { 1413 // If the native GC map is null and the Dex `code_item` is not 1414 // null, then this method has been compiled with the optimizing 1415 // compiler. 1416 return oat_method.GetQuickCode() != nullptr && 1417 oat_method.GetGcMap() == nullptr && 1418 code_item != nullptr; 1419 } 1420 1421 // Has `oat_method` -- corresponding to the Dex `code_item` -- been compiled by 1422 // the dextodex compiler? 1423 static bool IsMethodGeneratedByDexToDexCompiler(const OatFile::OatMethod& oat_method, 1424 const DexFile::CodeItem* code_item) { 1425 // If the quick code is null, the Dex `code_item` is not 1426 // null, and the vmap table is not null, then this method has been compiled 1427 // with the dextodex compiler. 1428 return oat_method.GetQuickCode() == nullptr && 1429 oat_method.GetVmapTable() != nullptr && 1430 code_item != nullptr; 1431 } 1432 1433 void DumpDexRegisterMapAtOffset(VariableIndentationOutputStream* vios, 1434 const OatFile::OatMethod& oat_method, 1435 const DexFile::CodeItem* code_item, 1436 size_t offset) { 1437 // This method is only relevant for oat methods compiled with the 1438 // optimizing compiler. 1439 DCHECK(IsMethodGeneratedByOptimizingCompiler(oat_method, code_item)); 1440 1441 // The optimizing compiler outputs its CodeInfo data in the vmap table. 1442 const void* raw_code_info = oat_method.GetVmapTable(); 1443 if (raw_code_info != nullptr) { 1444 CodeInfo code_info(raw_code_info); 1445 StackMapEncoding encoding = code_info.ExtractEncoding(); 1446 StackMap stack_map = code_info.GetStackMapForNativePcOffset(offset, encoding); 1447 if (stack_map.IsValid()) { 1448 stack_map.Dump(vios, code_info, encoding, oat_method.GetCodeOffset(), 1449 code_item->registers_size_); 1450 } 1451 } 1452 } 1453 1454 verifier::MethodVerifier* DumpVerifier(VariableIndentationOutputStream* vios, 1455 StackHandleScope<1>* hs, 1456 uint32_t dex_method_idx, 1457 const DexFile* dex_file, 1458 const DexFile::ClassDef& class_def, 1459 const DexFile::CodeItem* code_item, 1460 uint32_t method_access_flags) { 1461 if ((method_access_flags & kAccNative) == 0) { 1462 ScopedObjectAccess soa(Thread::Current()); 1463 Runtime* const runtime = Runtime::Current(); 1464 Handle<mirror::DexCache> dex_cache( 1465 hs->NewHandle(runtime->GetClassLinker()->RegisterDexFile(*dex_file, 1466 runtime->GetLinearAlloc()))); 1467 DCHECK(options_.class_loader_ != nullptr); 1468 return verifier::MethodVerifier::VerifyMethodAndDump( 1469 soa.Self(), vios, dex_method_idx, dex_file, dex_cache, *options_.class_loader_, 1470 &class_def, code_item, nullptr, method_access_flags); 1471 } 1472 1473 return nullptr; 1474 } 1475 1476 void DumpCode(VariableIndentationOutputStream* vios, 1477 verifier::MethodVerifier* verifier, 1478 const OatFile::OatMethod& oat_method, const DexFile::CodeItem* code_item, 1479 bool bad_input, size_t code_size) { 1480 const void* quick_code = oat_method.GetQuickCode(); 1481 1482 if (code_size == 0) { 1483 code_size = oat_method.GetQuickCodeSize(); 1484 } 1485 if (code_size == 0 || quick_code == nullptr) { 1486 vios->Stream() << "NO CODE!\n"; 1487 return; 1488 } else { 1489 const uint8_t* quick_native_pc = reinterpret_cast<const uint8_t*>(quick_code); 1490 size_t offset = 0; 1491 while (offset < code_size) { 1492 if (!bad_input) { 1493 DumpInformationAtOffset(vios, oat_method, code_item, offset, false); 1494 } 1495 offset += disassembler_->Dump(vios->Stream(), quick_native_pc + offset); 1496 if (!bad_input) { 1497 uint32_t dex_pc = 1498 DumpInformationAtOffset(vios, oat_method, code_item, offset, true); 1499 if (dex_pc != DexFile::kDexNoIndex) { 1500 DumpGcMapAtNativePcOffset(vios->Stream(), oat_method, code_item, offset); 1501 if (verifier != nullptr) { 1502 DumpVRegsAtDexPc(vios->Stream(), verifier, oat_method, code_item, dex_pc); 1503 } 1504 } 1505 } 1506 } 1507 } 1508 } 1509 1510 const OatFile& oat_file_; 1511 const std::vector<const OatFile::OatDexFile*> oat_dex_files_; 1512 const OatDumperOptions& options_; 1513 uint32_t resolved_addr2instr_; 1514 InstructionSet instruction_set_; 1515 std::set<uintptr_t> offsets_; 1516 Disassembler* disassembler_; 1517}; 1518 1519class ImageDumper { 1520 public: 1521 ImageDumper(std::ostream* os, gc::space::ImageSpace& image_space, 1522 const ImageHeader& image_header, OatDumperOptions* oat_dumper_options) 1523 : os_(os), 1524 vios_(os), 1525 indent1_(&vios_), 1526 image_space_(image_space), 1527 image_header_(image_header), 1528 oat_dumper_options_(oat_dumper_options) {} 1529 1530 bool Dump() SHARED_REQUIRES(Locks::mutator_lock_) { 1531 std::ostream& os = *os_; 1532 std::ostream& indent_os = vios_.Stream(); 1533 1534 os << "MAGIC: " << image_header_.GetMagic() << "\n\n"; 1535 1536 os << "IMAGE LOCATION: " << image_space_.GetImageLocation() << "\n\n"; 1537 1538 os << "IMAGE BEGIN: " << reinterpret_cast<void*>(image_header_.GetImageBegin()) << "\n\n"; 1539 1540 os << "IMAGE SIZE: " << image_header_.GetImageSize() << "\n\n"; 1541 1542 for (size_t i = 0; i < ImageHeader::kSectionCount; ++i) { 1543 auto section = static_cast<ImageHeader::ImageSections>(i); 1544 os << "IMAGE SECTION " << section << ": " << image_header_.GetImageSection(section) << "\n\n"; 1545 } 1546 1547 os << "OAT CHECKSUM: " << StringPrintf("0x%08x\n\n", image_header_.GetOatChecksum()); 1548 1549 os << "OAT FILE BEGIN:" << reinterpret_cast<void*>(image_header_.GetOatFileBegin()) << "\n\n"; 1550 1551 os << "OAT DATA BEGIN:" << reinterpret_cast<void*>(image_header_.GetOatDataBegin()) << "\n\n"; 1552 1553 os << "OAT DATA END:" << reinterpret_cast<void*>(image_header_.GetOatDataEnd()) << "\n\n"; 1554 1555 os << "OAT FILE END:" << reinterpret_cast<void*>(image_header_.GetOatFileEnd()) << "\n\n"; 1556 1557 os << "PATCH DELTA:" << image_header_.GetPatchDelta() << "\n\n"; 1558 1559 os << "COMPILE PIC: " << (image_header_.CompilePic() ? "yes" : "no") << "\n\n"; 1560 1561 { 1562 os << "ROOTS: " << reinterpret_cast<void*>(image_header_.GetImageRoots()) << "\n"; 1563 static_assert(arraysize(image_roots_descriptions_) == 1564 static_cast<size_t>(ImageHeader::kImageRootsMax), "sizes must match"); 1565 for (int i = 0; i < ImageHeader::kImageRootsMax; i++) { 1566 ImageHeader::ImageRoot image_root = static_cast<ImageHeader::ImageRoot>(i); 1567 const char* image_root_description = image_roots_descriptions_[i]; 1568 mirror::Object* image_root_object = image_header_.GetImageRoot(image_root); 1569 indent_os << StringPrintf("%s: %p\n", image_root_description, image_root_object); 1570 if (image_root_object->IsObjectArray()) { 1571 mirror::ObjectArray<mirror::Object>* image_root_object_array 1572 = image_root_object->AsObjectArray<mirror::Object>(); 1573 ScopedIndentation indent2(&vios_); 1574 for (int j = 0; j < image_root_object_array->GetLength(); j++) { 1575 mirror::Object* value = image_root_object_array->Get(j); 1576 size_t run = 0; 1577 for (int32_t k = j + 1; k < image_root_object_array->GetLength(); k++) { 1578 if (value == image_root_object_array->Get(k)) { 1579 run++; 1580 } else { 1581 break; 1582 } 1583 } 1584 if (run == 0) { 1585 indent_os << StringPrintf("%d: ", j); 1586 } else { 1587 indent_os << StringPrintf("%d to %zd: ", j, j + run); 1588 j = j + run; 1589 } 1590 if (value != nullptr) { 1591 PrettyObjectValue(indent_os, value->GetClass(), value); 1592 } else { 1593 indent_os << j << ": null\n"; 1594 } 1595 } 1596 } 1597 } 1598 } 1599 1600 { 1601 os << "METHOD ROOTS\n"; 1602 static_assert(arraysize(image_methods_descriptions_) == 1603 static_cast<size_t>(ImageHeader::kImageMethodsCount), "sizes must match"); 1604 for (int i = 0; i < ImageHeader::kImageMethodsCount; i++) { 1605 auto image_root = static_cast<ImageHeader::ImageMethod>(i); 1606 const char* description = image_methods_descriptions_[i]; 1607 auto* image_method = image_header_.GetImageMethod(image_root); 1608 indent_os << StringPrintf("%s: %p\n", description, image_method); 1609 } 1610 } 1611 os << "\n"; 1612 1613 Runtime* const runtime = Runtime::Current(); 1614 ClassLinker* class_linker = runtime->GetClassLinker(); 1615 std::string image_filename = image_space_.GetImageFilename(); 1616 std::string oat_location = ImageHeader::GetOatLocationFromImageLocation(image_filename); 1617 os << "OAT LOCATION: " << oat_location; 1618 os << "\n"; 1619 std::string error_msg; 1620 const OatFile* oat_file = runtime->GetOatFileManager().FindOpenedOatFileFromOatLocation( 1621 oat_location); 1622 if (oat_file == nullptr) { 1623 oat_file = OatFile::Open(oat_location, oat_location, 1624 nullptr, nullptr, false, nullptr, 1625 &error_msg); 1626 if (oat_file == nullptr) { 1627 os << "NOT FOUND: " << error_msg << "\n"; 1628 return false; 1629 } 1630 } 1631 os << "\n"; 1632 1633 stats_.oat_file_bytes = oat_file->Size(); 1634 1635 oat_dumper_.reset(new OatDumper(*oat_file, *oat_dumper_options_)); 1636 1637 for (const OatFile::OatDexFile* oat_dex_file : oat_file->GetOatDexFiles()) { 1638 CHECK(oat_dex_file != nullptr); 1639 stats_.oat_dex_file_sizes.push_back(std::make_pair(oat_dex_file->GetDexFileLocation(), 1640 oat_dex_file->FileSize())); 1641 } 1642 1643 os << "OBJECTS:\n" << std::flush; 1644 1645 // Loop through the image space and dump its objects. 1646 gc::Heap* heap = runtime->GetHeap(); 1647 Thread* self = Thread::Current(); 1648 { 1649 { 1650 WriterMutexLock mu(self, *Locks::heap_bitmap_lock_); 1651 heap->FlushAllocStack(); 1652 } 1653 // Since FlushAllocStack() above resets the (active) allocation 1654 // stack. Need to revoke the thread-local allocation stacks that 1655 // point into it. 1656 ScopedThreadSuspension sts(self, kNative); 1657 ScopedSuspendAll ssa(__FUNCTION__); 1658 heap->RevokeAllThreadLocalAllocationStacks(self); 1659 } 1660 { 1661 // Mark dex caches. 1662 dex_caches_.clear(); 1663 { 1664 ReaderMutexLock mu(self, *class_linker->DexLock()); 1665 for (const ClassLinker::DexCacheData& data : class_linker->GetDexCachesData()) { 1666 mirror::DexCache* dex_cache = 1667 down_cast<mirror::DexCache*>(self->DecodeJObject(data.weak_root)); 1668 if (dex_cache != nullptr) { 1669 dex_caches_.insert(dex_cache); 1670 } 1671 } 1672 } 1673 ReaderMutexLock mu(self, *Locks::heap_bitmap_lock_); 1674 // Dump the normal objects before ArtMethods. 1675 image_space_.GetLiveBitmap()->Walk(ImageDumper::Callback, this); 1676 indent_os << "\n"; 1677 // TODO: Dump fields. 1678 // Dump methods after. 1679 const auto& methods_section = image_header_.GetMethodsSection(); 1680 const size_t pointer_size = 1681 InstructionSetPointerSize(oat_dumper_->GetOatInstructionSet()); 1682 DumpArtMethodVisitor visitor(this); 1683 methods_section.VisitPackedArtMethods(&visitor, image_space_.Begin(), pointer_size); 1684 // Dump the large objects separately. 1685 heap->GetLargeObjectsSpace()->GetLiveBitmap()->Walk(ImageDumper::Callback, this); 1686 indent_os << "\n"; 1687 } 1688 os << "STATS:\n" << std::flush; 1689 std::unique_ptr<File> file(OS::OpenFileForReading(image_filename.c_str())); 1690 if (file.get() == nullptr) { 1691 LOG(WARNING) << "Failed to find image in " << image_filename; 1692 } 1693 if (file.get() != nullptr) { 1694 stats_.file_bytes = file->GetLength(); 1695 } 1696 size_t header_bytes = sizeof(ImageHeader); 1697 const auto& object_section = image_header_.GetImageSection(ImageHeader::kSectionObjects); 1698 const auto& field_section = image_header_.GetImageSection(ImageHeader::kSectionArtFields); 1699 const auto& method_section = image_header_.GetMethodsSection(); 1700 const auto& dex_cache_arrays_section = image_header_.GetImageSection( 1701 ImageHeader::kSectionDexCacheArrays); 1702 const auto& intern_section = image_header_.GetImageSection( 1703 ImageHeader::kSectionInternedStrings); 1704 const auto& class_table_section = image_header_.GetImageSection( 1705 ImageHeader::kSectionClassTable); 1706 const auto& bitmap_section = image_header_.GetImageSection(ImageHeader::kSectionImageBitmap); 1707 1708 stats_.header_bytes = header_bytes; 1709 1710 // Objects are kObjectAlignment-aligned. 1711 // CHECK_EQ(RoundUp(header_bytes, kObjectAlignment), object_section.Offset()); 1712 if (object_section.Offset() > header_bytes) { 1713 stats_.alignment_bytes += object_section.Offset() - header_bytes; 1714 } 1715 1716 // Field section is 4-byte aligned. 1717 constexpr size_t kFieldSectionAlignment = 4U; 1718 uint32_t end_objects = object_section.Offset() + object_section.Size(); 1719 CHECK_EQ(RoundUp(end_objects, kFieldSectionAlignment), field_section.Offset()); 1720 stats_.alignment_bytes += field_section.Offset() - end_objects; 1721 1722 // Method section is 4/8 byte aligned depending on target. Just check for 4-byte alignment. 1723 uint32_t end_fields = field_section.Offset() + field_section.Size(); 1724 CHECK_ALIGNED(method_section.Offset(), 4); 1725 stats_.alignment_bytes += method_section.Offset() - end_fields; 1726 1727 // Dex cache arrays section is aligned depending on the target. Just check for 4-byte alignment. 1728 uint32_t end_methods = method_section.Offset() + method_section.Size(); 1729 CHECK_ALIGNED(dex_cache_arrays_section.Offset(), 4); 1730 stats_.alignment_bytes += dex_cache_arrays_section.Offset() - end_methods; 1731 1732 // Intern table is 8-byte aligned. 1733 uint32_t end_caches = dex_cache_arrays_section.Offset() + dex_cache_arrays_section.Size(); 1734 CHECK_EQ(RoundUp(end_caches, 8U), intern_section.Offset()); 1735 stats_.alignment_bytes += intern_section.Offset() - end_caches; 1736 1737 // Add space between intern table and class table. 1738 uint32_t end_intern = intern_section.Offset() + intern_section.Size(); 1739 stats_.alignment_bytes += class_table_section.Offset() - end_intern; 1740 1741 // Add space between class table and bitmap. Expect the bitmap to be page-aligned. 1742 uint32_t end_ctable = class_table_section.Offset() + class_table_section.Size(); 1743 CHECK_ALIGNED(bitmap_section.Offset(), kPageSize); 1744 stats_.alignment_bytes += bitmap_section.Offset() - end_ctable; 1745 1746 stats_.bitmap_bytes += bitmap_section.Size(); 1747 stats_.art_field_bytes += field_section.Size(); 1748 stats_.art_method_bytes += method_section.Size(); 1749 stats_.dex_cache_arrays_bytes += dex_cache_arrays_section.Size(); 1750 stats_.interned_strings_bytes += intern_section.Size(); 1751 stats_.class_table_bytes += class_table_section.Size(); 1752 stats_.Dump(os, indent_os); 1753 os << "\n"; 1754 1755 os << std::flush; 1756 1757 return oat_dumper_->Dump(os); 1758 } 1759 1760 private: 1761 class DumpArtMethodVisitor : public ArtMethodVisitor { 1762 public: 1763 explicit DumpArtMethodVisitor(ImageDumper* image_dumper) : image_dumper_(image_dumper) {} 1764 1765 virtual void Visit(ArtMethod* method) OVERRIDE SHARED_REQUIRES(Locks::mutator_lock_) { 1766 std::ostream& indent_os = image_dumper_->vios_.Stream(); 1767 indent_os << method << " " << " ArtMethod: " << PrettyMethod(method) << "\n"; 1768 image_dumper_->DumpMethod(method, image_dumper_, indent_os); 1769 indent_os << "\n"; 1770 } 1771 1772 private: 1773 ImageDumper* const image_dumper_; 1774 }; 1775 1776 static void PrettyObjectValue(std::ostream& os, mirror::Class* type, mirror::Object* value) 1777 SHARED_REQUIRES(Locks::mutator_lock_) { 1778 CHECK(type != nullptr); 1779 if (value == nullptr) { 1780 os << StringPrintf("null %s\n", PrettyDescriptor(type).c_str()); 1781 } else if (type->IsStringClass()) { 1782 mirror::String* string = value->AsString(); 1783 os << StringPrintf("%p String: %s\n", string, 1784 PrintableString(string->ToModifiedUtf8().c_str()).c_str()); 1785 } else if (type->IsClassClass()) { 1786 mirror::Class* klass = value->AsClass(); 1787 os << StringPrintf("%p Class: %s\n", klass, PrettyDescriptor(klass).c_str()); 1788 } else { 1789 os << StringPrintf("%p %s\n", value, PrettyDescriptor(type).c_str()); 1790 } 1791 } 1792 1793 static void PrintField(std::ostream& os, ArtField* field, mirror::Object* obj) 1794 SHARED_REQUIRES(Locks::mutator_lock_) { 1795 os << StringPrintf("%s: ", field->GetName()); 1796 switch (field->GetTypeAsPrimitiveType()) { 1797 case Primitive::kPrimLong: 1798 os << StringPrintf("%" PRId64 " (0x%" PRIx64 ")\n", field->Get64(obj), field->Get64(obj)); 1799 break; 1800 case Primitive::kPrimDouble: 1801 os << StringPrintf("%f (%a)\n", field->GetDouble(obj), field->GetDouble(obj)); 1802 break; 1803 case Primitive::kPrimFloat: 1804 os << StringPrintf("%f (%a)\n", field->GetFloat(obj), field->GetFloat(obj)); 1805 break; 1806 case Primitive::kPrimInt: 1807 os << StringPrintf("%d (0x%x)\n", field->Get32(obj), field->Get32(obj)); 1808 break; 1809 case Primitive::kPrimChar: 1810 os << StringPrintf("%u (0x%x)\n", field->GetChar(obj), field->GetChar(obj)); 1811 break; 1812 case Primitive::kPrimShort: 1813 os << StringPrintf("%d (0x%x)\n", field->GetShort(obj), field->GetShort(obj)); 1814 break; 1815 case Primitive::kPrimBoolean: 1816 os << StringPrintf("%s (0x%x)\n", field->GetBoolean(obj)? "true" : "false", 1817 field->GetBoolean(obj)); 1818 break; 1819 case Primitive::kPrimByte: 1820 os << StringPrintf("%d (0x%x)\n", field->GetByte(obj), field->GetByte(obj)); 1821 break; 1822 case Primitive::kPrimNot: { 1823 // Get the value, don't compute the type unless it is non-null as we don't want 1824 // to cause class loading. 1825 mirror::Object* value = field->GetObj(obj); 1826 if (value == nullptr) { 1827 os << StringPrintf("null %s\n", PrettyDescriptor(field->GetTypeDescriptor()).c_str()); 1828 } else { 1829 // Grab the field type without causing resolution. 1830 mirror::Class* field_type = field->GetType<false>(); 1831 if (field_type != nullptr) { 1832 PrettyObjectValue(os, field_type, value); 1833 } else { 1834 os << StringPrintf("%p %s\n", value, 1835 PrettyDescriptor(field->GetTypeDescriptor()).c_str()); 1836 } 1837 } 1838 break; 1839 } 1840 default: 1841 os << "unexpected field type: " << field->GetTypeDescriptor() << "\n"; 1842 break; 1843 } 1844 } 1845 1846 static void DumpFields(std::ostream& os, mirror::Object* obj, mirror::Class* klass) 1847 SHARED_REQUIRES(Locks::mutator_lock_) { 1848 mirror::Class* super = klass->GetSuperClass(); 1849 if (super != nullptr) { 1850 DumpFields(os, obj, super); 1851 } 1852 for (ArtField& field : klass->GetIFields()) { 1853 PrintField(os, &field, obj); 1854 } 1855 } 1856 1857 bool InDumpSpace(const mirror::Object* object) { 1858 return image_space_.Contains(object); 1859 } 1860 1861 const void* GetQuickOatCodeBegin(ArtMethod* m) 1862 SHARED_REQUIRES(Locks::mutator_lock_) { 1863 const void* quick_code = m->GetEntryPointFromQuickCompiledCodePtrSize( 1864 InstructionSetPointerSize(oat_dumper_->GetOatInstructionSet())); 1865 if (Runtime::Current()->GetClassLinker()->IsQuickResolutionStub(quick_code)) { 1866 quick_code = oat_dumper_->GetQuickOatCode(m); 1867 } 1868 if (oat_dumper_->GetInstructionSet() == kThumb2) { 1869 quick_code = reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(quick_code) & ~0x1); 1870 } 1871 return quick_code; 1872 } 1873 1874 uint32_t GetQuickOatCodeSize(ArtMethod* m) 1875 SHARED_REQUIRES(Locks::mutator_lock_) { 1876 const uint32_t* oat_code_begin = reinterpret_cast<const uint32_t*>(GetQuickOatCodeBegin(m)); 1877 if (oat_code_begin == nullptr) { 1878 return 0; 1879 } 1880 return oat_code_begin[-1]; 1881 } 1882 1883 const void* GetQuickOatCodeEnd(ArtMethod* m) 1884 SHARED_REQUIRES(Locks::mutator_lock_) { 1885 const uint8_t* oat_code_begin = reinterpret_cast<const uint8_t*>(GetQuickOatCodeBegin(m)); 1886 if (oat_code_begin == nullptr) { 1887 return nullptr; 1888 } 1889 return oat_code_begin + GetQuickOatCodeSize(m); 1890 } 1891 1892 static void Callback(mirror::Object* obj, void* arg) SHARED_REQUIRES(Locks::mutator_lock_) { 1893 DCHECK(obj != nullptr); 1894 DCHECK(arg != nullptr); 1895 ImageDumper* state = reinterpret_cast<ImageDumper*>(arg); 1896 if (!state->InDumpSpace(obj)) { 1897 return; 1898 } 1899 1900 size_t object_bytes = obj->SizeOf(); 1901 size_t alignment_bytes = RoundUp(object_bytes, kObjectAlignment) - object_bytes; 1902 state->stats_.object_bytes += object_bytes; 1903 state->stats_.alignment_bytes += alignment_bytes; 1904 1905 std::ostream& os = state->vios_.Stream(); 1906 1907 mirror::Class* obj_class = obj->GetClass(); 1908 if (obj_class->IsArrayClass()) { 1909 os << StringPrintf("%p: %s length:%d\n", obj, PrettyDescriptor(obj_class).c_str(), 1910 obj->AsArray()->GetLength()); 1911 } else if (obj->IsClass()) { 1912 mirror::Class* klass = obj->AsClass(); 1913 os << StringPrintf("%p: java.lang.Class \"%s\" (", obj, PrettyDescriptor(klass).c_str()) 1914 << klass->GetStatus() << ")\n"; 1915 } else if (obj_class->IsStringClass()) { 1916 os << StringPrintf("%p: java.lang.String %s\n", obj, 1917 PrintableString(obj->AsString()->ToModifiedUtf8().c_str()).c_str()); 1918 } else { 1919 os << StringPrintf("%p: %s\n", obj, PrettyDescriptor(obj_class).c_str()); 1920 } 1921 ScopedIndentation indent1(&state->vios_); 1922 DumpFields(os, obj, obj_class); 1923 const auto image_pointer_size = 1924 InstructionSetPointerSize(state->oat_dumper_->GetOatInstructionSet()); 1925 if (obj->IsObjectArray()) { 1926 auto* obj_array = obj->AsObjectArray<mirror::Object>(); 1927 for (int32_t i = 0, length = obj_array->GetLength(); i < length; i++) { 1928 mirror::Object* value = obj_array->Get(i); 1929 size_t run = 0; 1930 for (int32_t j = i + 1; j < length; j++) { 1931 if (value == obj_array->Get(j)) { 1932 run++; 1933 } else { 1934 break; 1935 } 1936 } 1937 if (run == 0) { 1938 os << StringPrintf("%d: ", i); 1939 } else { 1940 os << StringPrintf("%d to %zd: ", i, i + run); 1941 i = i + run; 1942 } 1943 mirror::Class* value_class = 1944 (value == nullptr) ? obj_class->GetComponentType() : value->GetClass(); 1945 PrettyObjectValue(os, value_class, value); 1946 } 1947 } else if (obj->IsClass()) { 1948 mirror::Class* klass = obj->AsClass(); 1949 if (klass->NumStaticFields() != 0) { 1950 os << "STATICS:\n"; 1951 ScopedIndentation indent2(&state->vios_); 1952 for (ArtField& field : klass->GetSFields()) { 1953 PrintField(os, &field, field.GetDeclaringClass()); 1954 } 1955 } 1956 } else { 1957 auto it = state->dex_caches_.find(obj); 1958 if (it != state->dex_caches_.end()) { 1959 auto* dex_cache = down_cast<mirror::DexCache*>(obj); 1960 const auto& field_section = state->image_header_.GetImageSection( 1961 ImageHeader::kSectionArtFields); 1962 const auto& method_section = state->image_header_.GetMethodsSection(); 1963 size_t num_methods = dex_cache->NumResolvedMethods(); 1964 if (num_methods != 0u) { 1965 os << "Methods (size=" << num_methods << "):"; 1966 ScopedIndentation indent2(&state->vios_); 1967 auto* resolved_methods = dex_cache->GetResolvedMethods(); 1968 for (size_t i = 0, length = dex_cache->NumResolvedMethods(); i < length; ++i) { 1969 auto* elem = mirror::DexCache::GetElementPtrSize(resolved_methods, i, image_pointer_size); 1970 size_t run = 0; 1971 for (size_t j = i + 1; 1972 j != length && elem == mirror::DexCache::GetElementPtrSize(resolved_methods, 1973 j, 1974 image_pointer_size); 1975 ++j, ++run) {} 1976 if (run == 0) { 1977 os << StringPrintf("%zd: ", i); 1978 } else { 1979 os << StringPrintf("%zd to %zd: ", i, i + run); 1980 i = i + run; 1981 } 1982 std::string msg; 1983 if (elem == nullptr) { 1984 msg = "null"; 1985 } else if (method_section.Contains( 1986 reinterpret_cast<uint8_t*>(elem) - state->image_space_.Begin())) { 1987 msg = PrettyMethod(reinterpret_cast<ArtMethod*>(elem)); 1988 } else { 1989 msg = "<not in method section>"; 1990 } 1991 os << StringPrintf("%p %s\n", elem, msg.c_str()); 1992 } 1993 } 1994 size_t num_fields = dex_cache->NumResolvedFields(); 1995 if (num_fields != 0u) { 1996 os << "Fields (size=" << num_fields << "):"; 1997 ScopedIndentation indent2(&state->vios_); 1998 auto* resolved_fields = dex_cache->GetResolvedFields(); 1999 for (size_t i = 0, length = dex_cache->NumResolvedFields(); i < length; ++i) { 2000 auto* elem = mirror::DexCache::GetElementPtrSize(resolved_fields, i, image_pointer_size); 2001 size_t run = 0; 2002 for (size_t j = i + 1; 2003 j != length && elem == mirror::DexCache::GetElementPtrSize(resolved_fields, 2004 j, 2005 image_pointer_size); 2006 ++j, ++run) {} 2007 if (run == 0) { 2008 os << StringPrintf("%zd: ", i); 2009 } else { 2010 os << StringPrintf("%zd to %zd: ", i, i + run); 2011 i = i + run; 2012 } 2013 std::string msg; 2014 if (elem == nullptr) { 2015 msg = "null"; 2016 } else if (field_section.Contains( 2017 reinterpret_cast<uint8_t*>(elem) - state->image_space_.Begin())) { 2018 msg = PrettyField(reinterpret_cast<ArtField*>(elem)); 2019 } else { 2020 msg = "<not in field section>"; 2021 } 2022 os << StringPrintf("%p %s\n", elem, msg.c_str()); 2023 } 2024 } 2025 } 2026 } 2027 std::string temp; 2028 state->stats_.Update(obj_class->GetDescriptor(&temp), object_bytes); 2029 } 2030 2031 void DumpMethod(ArtMethod* method, ImageDumper* state, std::ostream& indent_os) 2032 SHARED_REQUIRES(Locks::mutator_lock_) { 2033 DCHECK(method != nullptr); 2034 const auto image_pointer_size = 2035 InstructionSetPointerSize(state->oat_dumper_->GetOatInstructionSet()); 2036 const void* quick_oat_code_begin = state->GetQuickOatCodeBegin(method); 2037 const void* quick_oat_code_end = state->GetQuickOatCodeEnd(method); 2038 OatQuickMethodHeader* method_header = reinterpret_cast<OatQuickMethodHeader*>( 2039 reinterpret_cast<uintptr_t>(quick_oat_code_begin) - sizeof(OatQuickMethodHeader)); 2040 if (method->IsNative()) { 2041 if (!Runtime::Current()->GetClassLinker()->IsQuickGenericJniStub(quick_oat_code_begin)) { 2042 DCHECK(method_header->GetNativeGcMap() == nullptr) << PrettyMethod(method); 2043 DCHECK(method_header->GetMappingTable() == nullptr) << PrettyMethod(method); 2044 } 2045 bool first_occurrence; 2046 uint32_t quick_oat_code_size = state->GetQuickOatCodeSize(method); 2047 state->ComputeOatSize(quick_oat_code_begin, &first_occurrence); 2048 if (first_occurrence) { 2049 state->stats_.native_to_managed_code_bytes += quick_oat_code_size; 2050 } 2051 if (quick_oat_code_begin != 2052 method->GetEntryPointFromQuickCompiledCodePtrSize(image_pointer_size)) { 2053 indent_os << StringPrintf("OAT CODE: %p\n", quick_oat_code_begin); 2054 } 2055 } else if (method->IsAbstract() || method->IsCalleeSaveMethod() || 2056 method->IsResolutionMethod() || method->IsImtConflictMethod() || 2057 method->IsImtUnimplementedMethod() || method->IsClassInitializer()) { 2058 } else { 2059 const DexFile::CodeItem* code_item = method->GetCodeItem(); 2060 size_t dex_instruction_bytes = code_item->insns_size_in_code_units_ * 2; 2061 state->stats_.dex_instruction_bytes += dex_instruction_bytes; 2062 2063 bool first_occurrence; 2064 size_t gc_map_bytes = state->ComputeOatSize( 2065 method_header->GetNativeGcMap(), &first_occurrence); 2066 if (first_occurrence) { 2067 state->stats_.gc_map_bytes += gc_map_bytes; 2068 } 2069 2070 size_t pc_mapping_table_bytes = state->ComputeOatSize( 2071 method_header->GetMappingTable(), &first_occurrence); 2072 if (first_occurrence) { 2073 state->stats_.pc_mapping_table_bytes += pc_mapping_table_bytes; 2074 } 2075 2076 size_t vmap_table_bytes = 0u; 2077 if (!method_header->IsOptimized()) { 2078 // Method compiled with the optimizing compiler have no vmap table. 2079 vmap_table_bytes = state->ComputeOatSize( 2080 method_header->GetVmapTable(), &first_occurrence); 2081 if (first_occurrence) { 2082 state->stats_.vmap_table_bytes += vmap_table_bytes; 2083 } 2084 } 2085 2086 uint32_t quick_oat_code_size = state->GetQuickOatCodeSize(method); 2087 state->ComputeOatSize(quick_oat_code_begin, &first_occurrence); 2088 if (first_occurrence) { 2089 state->stats_.managed_code_bytes += quick_oat_code_size; 2090 if (method->IsConstructor()) { 2091 if (method->IsStatic()) { 2092 state->stats_.class_initializer_code_bytes += quick_oat_code_size; 2093 } else if (dex_instruction_bytes > kLargeConstructorDexBytes) { 2094 state->stats_.large_initializer_code_bytes += quick_oat_code_size; 2095 } 2096 } else if (dex_instruction_bytes > kLargeMethodDexBytes) { 2097 state->stats_.large_method_code_bytes += quick_oat_code_size; 2098 } 2099 } 2100 state->stats_.managed_code_bytes_ignoring_deduplication += quick_oat_code_size; 2101 2102 uint32_t method_access_flags = method->GetAccessFlags(); 2103 2104 indent_os << StringPrintf("OAT CODE: %p-%p\n", quick_oat_code_begin, quick_oat_code_end); 2105 indent_os << StringPrintf("SIZE: Dex Instructions=%zd GC=%zd Mapping=%zd AccessFlags=0x%x\n", 2106 dex_instruction_bytes, gc_map_bytes, pc_mapping_table_bytes, 2107 method_access_flags); 2108 2109 size_t total_size = dex_instruction_bytes + gc_map_bytes + pc_mapping_table_bytes + 2110 vmap_table_bytes + quick_oat_code_size + ArtMethod::Size(image_pointer_size); 2111 2112 double expansion = 2113 static_cast<double>(quick_oat_code_size) / static_cast<double>(dex_instruction_bytes); 2114 state->stats_.ComputeOutliers(total_size, expansion, method); 2115 } 2116 } 2117 2118 std::set<const void*> already_seen_; 2119 // Compute the size of the given data within the oat file and whether this is the first time 2120 // this data has been requested 2121 size_t ComputeOatSize(const void* oat_data, bool* first_occurrence) { 2122 if (already_seen_.count(oat_data) == 0) { 2123 *first_occurrence = true; 2124 already_seen_.insert(oat_data); 2125 } else { 2126 *first_occurrence = false; 2127 } 2128 return oat_dumper_->ComputeSize(oat_data); 2129 } 2130 2131 public: 2132 struct Stats { 2133 size_t oat_file_bytes; 2134 size_t file_bytes; 2135 2136 size_t header_bytes; 2137 size_t object_bytes; 2138 size_t art_field_bytes; 2139 size_t art_method_bytes; 2140 size_t dex_cache_arrays_bytes; 2141 size_t interned_strings_bytes; 2142 size_t class_table_bytes; 2143 size_t bitmap_bytes; 2144 size_t alignment_bytes; 2145 2146 size_t managed_code_bytes; 2147 size_t managed_code_bytes_ignoring_deduplication; 2148 size_t managed_to_native_code_bytes; 2149 size_t native_to_managed_code_bytes; 2150 size_t class_initializer_code_bytes; 2151 size_t large_initializer_code_bytes; 2152 size_t large_method_code_bytes; 2153 2154 size_t gc_map_bytes; 2155 size_t pc_mapping_table_bytes; 2156 size_t vmap_table_bytes; 2157 2158 size_t dex_instruction_bytes; 2159 2160 std::vector<ArtMethod*> method_outlier; 2161 std::vector<size_t> method_outlier_size; 2162 std::vector<double> method_outlier_expansion; 2163 std::vector<std::pair<std::string, size_t>> oat_dex_file_sizes; 2164 2165 Stats() 2166 : oat_file_bytes(0), 2167 file_bytes(0), 2168 header_bytes(0), 2169 object_bytes(0), 2170 art_field_bytes(0), 2171 art_method_bytes(0), 2172 dex_cache_arrays_bytes(0), 2173 interned_strings_bytes(0), 2174 class_table_bytes(0), 2175 bitmap_bytes(0), 2176 alignment_bytes(0), 2177 managed_code_bytes(0), 2178 managed_code_bytes_ignoring_deduplication(0), 2179 managed_to_native_code_bytes(0), 2180 native_to_managed_code_bytes(0), 2181 class_initializer_code_bytes(0), 2182 large_initializer_code_bytes(0), 2183 large_method_code_bytes(0), 2184 gc_map_bytes(0), 2185 pc_mapping_table_bytes(0), 2186 vmap_table_bytes(0), 2187 dex_instruction_bytes(0) {} 2188 2189 struct SizeAndCount { 2190 SizeAndCount(size_t bytes_in, size_t count_in) : bytes(bytes_in), count(count_in) {} 2191 size_t bytes; 2192 size_t count; 2193 }; 2194 typedef SafeMap<std::string, SizeAndCount> SizeAndCountTable; 2195 SizeAndCountTable sizes_and_counts; 2196 2197 void Update(const char* descriptor, size_t object_bytes_in) { 2198 SizeAndCountTable::iterator it = sizes_and_counts.find(descriptor); 2199 if (it != sizes_and_counts.end()) { 2200 it->second.bytes += object_bytes_in; 2201 it->second.count += 1; 2202 } else { 2203 sizes_and_counts.Put(descriptor, SizeAndCount(object_bytes_in, 1)); 2204 } 2205 } 2206 2207 double PercentOfOatBytes(size_t size) { 2208 return (static_cast<double>(size) / static_cast<double>(oat_file_bytes)) * 100; 2209 } 2210 2211 double PercentOfFileBytes(size_t size) { 2212 return (static_cast<double>(size) / static_cast<double>(file_bytes)) * 100; 2213 } 2214 2215 double PercentOfObjectBytes(size_t size) { 2216 return (static_cast<double>(size) / static_cast<double>(object_bytes)) * 100; 2217 } 2218 2219 void ComputeOutliers(size_t total_size, double expansion, ArtMethod* method) { 2220 method_outlier_size.push_back(total_size); 2221 method_outlier_expansion.push_back(expansion); 2222 method_outlier.push_back(method); 2223 } 2224 2225 void DumpOutliers(std::ostream& os) 2226 SHARED_REQUIRES(Locks::mutator_lock_) { 2227 size_t sum_of_sizes = 0; 2228 size_t sum_of_sizes_squared = 0; 2229 size_t sum_of_expansion = 0; 2230 size_t sum_of_expansion_squared = 0; 2231 size_t n = method_outlier_size.size(); 2232 if (n == 0) { 2233 return; 2234 } 2235 for (size_t i = 0; i < n; i++) { 2236 size_t cur_size = method_outlier_size[i]; 2237 sum_of_sizes += cur_size; 2238 sum_of_sizes_squared += cur_size * cur_size; 2239 double cur_expansion = method_outlier_expansion[i]; 2240 sum_of_expansion += cur_expansion; 2241 sum_of_expansion_squared += cur_expansion * cur_expansion; 2242 } 2243 size_t size_mean = sum_of_sizes / n; 2244 size_t size_variance = (sum_of_sizes_squared - sum_of_sizes * size_mean) / (n - 1); 2245 double expansion_mean = sum_of_expansion / n; 2246 double expansion_variance = 2247 (sum_of_expansion_squared - sum_of_expansion * expansion_mean) / (n - 1); 2248 2249 // Dump methods whose size is a certain number of standard deviations from the mean 2250 size_t dumped_values = 0; 2251 size_t skipped_values = 0; 2252 for (size_t i = 100; i > 0; i--) { // i is the current number of standard deviations 2253 size_t cur_size_variance = i * i * size_variance; 2254 bool first = true; 2255 for (size_t j = 0; j < n; j++) { 2256 size_t cur_size = method_outlier_size[j]; 2257 if (cur_size > size_mean) { 2258 size_t cur_var = cur_size - size_mean; 2259 cur_var = cur_var * cur_var; 2260 if (cur_var > cur_size_variance) { 2261 if (dumped_values > 20) { 2262 if (i == 1) { 2263 skipped_values++; 2264 } else { 2265 i = 2; // jump to counting for 1 standard deviation 2266 break; 2267 } 2268 } else { 2269 if (first) { 2270 os << "\nBig methods (size > " << i << " standard deviations the norm):\n"; 2271 first = false; 2272 } 2273 os << PrettyMethod(method_outlier[j]) << " requires storage of " 2274 << PrettySize(cur_size) << "\n"; 2275 method_outlier_size[j] = 0; // don't consider this method again 2276 dumped_values++; 2277 } 2278 } 2279 } 2280 } 2281 } 2282 if (skipped_values > 0) { 2283 os << "... skipped " << skipped_values 2284 << " methods with size > 1 standard deviation from the norm\n"; 2285 } 2286 os << std::flush; 2287 2288 // Dump methods whose expansion is a certain number of standard deviations from the mean 2289 dumped_values = 0; 2290 skipped_values = 0; 2291 for (size_t i = 10; i > 0; i--) { // i is the current number of standard deviations 2292 double cur_expansion_variance = i * i * expansion_variance; 2293 bool first = true; 2294 for (size_t j = 0; j < n; j++) { 2295 double cur_expansion = method_outlier_expansion[j]; 2296 if (cur_expansion > expansion_mean) { 2297 size_t cur_var = cur_expansion - expansion_mean; 2298 cur_var = cur_var * cur_var; 2299 if (cur_var > cur_expansion_variance) { 2300 if (dumped_values > 20) { 2301 if (i == 1) { 2302 skipped_values++; 2303 } else { 2304 i = 2; // jump to counting for 1 standard deviation 2305 break; 2306 } 2307 } else { 2308 if (first) { 2309 os << "\nLarge expansion methods (size > " << i 2310 << " standard deviations the norm):\n"; 2311 first = false; 2312 } 2313 os << PrettyMethod(method_outlier[j]) << " expanded code by " 2314 << cur_expansion << "\n"; 2315 method_outlier_expansion[j] = 0.0; // don't consider this method again 2316 dumped_values++; 2317 } 2318 } 2319 } 2320 } 2321 } 2322 if (skipped_values > 0) { 2323 os << "... skipped " << skipped_values 2324 << " methods with expansion > 1 standard deviation from the norm\n"; 2325 } 2326 os << "\n" << std::flush; 2327 } 2328 2329 void Dump(std::ostream& os, std::ostream& indent_os) 2330 SHARED_REQUIRES(Locks::mutator_lock_) { 2331 { 2332 os << "art_file_bytes = " << PrettySize(file_bytes) << "\n\n" 2333 << "art_file_bytes = header_bytes + object_bytes + alignment_bytes\n"; 2334 indent_os << StringPrintf("header_bytes = %8zd (%2.0f%% of art file bytes)\n" 2335 "object_bytes = %8zd (%2.0f%% of art file bytes)\n" 2336 "art_field_bytes = %8zd (%2.0f%% of art file bytes)\n" 2337 "art_method_bytes = %8zd (%2.0f%% of art file bytes)\n" 2338 "dex_cache_arrays_bytes = %8zd (%2.0f%% of art file bytes)\n" 2339 "interned_string_bytes = %8zd (%2.0f%% of art file bytes)\n" 2340 "class_table_bytes = %8zd (%2.0f%% of art file bytes)\n" 2341 "bitmap_bytes = %8zd (%2.0f%% of art file bytes)\n" 2342 "alignment_bytes = %8zd (%2.0f%% of art file bytes)\n\n", 2343 header_bytes, PercentOfFileBytes(header_bytes), 2344 object_bytes, PercentOfFileBytes(object_bytes), 2345 art_field_bytes, PercentOfFileBytes(art_field_bytes), 2346 art_method_bytes, PercentOfFileBytes(art_method_bytes), 2347 dex_cache_arrays_bytes, 2348 PercentOfFileBytes(dex_cache_arrays_bytes), 2349 interned_strings_bytes, 2350 PercentOfFileBytes(interned_strings_bytes), 2351 class_table_bytes, PercentOfFileBytes(class_table_bytes), 2352 bitmap_bytes, PercentOfFileBytes(bitmap_bytes), 2353 alignment_bytes, PercentOfFileBytes(alignment_bytes)) 2354 << std::flush; 2355 CHECK_EQ(file_bytes, 2356 header_bytes + object_bytes + art_field_bytes + art_method_bytes + 2357 dex_cache_arrays_bytes + interned_strings_bytes + class_table_bytes + 2358 bitmap_bytes + alignment_bytes); 2359 } 2360 2361 os << "object_bytes breakdown:\n"; 2362 size_t object_bytes_total = 0; 2363 for (const auto& sizes_and_count : sizes_and_counts) { 2364 const std::string& descriptor(sizes_and_count.first); 2365 double average = static_cast<double>(sizes_and_count.second.bytes) / 2366 static_cast<double>(sizes_and_count.second.count); 2367 double percent = PercentOfObjectBytes(sizes_and_count.second.bytes); 2368 os << StringPrintf("%32s %8zd bytes %6zd instances " 2369 "(%4.0f bytes/instance) %2.0f%% of object_bytes\n", 2370 descriptor.c_str(), sizes_and_count.second.bytes, 2371 sizes_and_count.second.count, average, percent); 2372 object_bytes_total += sizes_and_count.second.bytes; 2373 } 2374 os << "\n" << std::flush; 2375 CHECK_EQ(object_bytes, object_bytes_total); 2376 2377 os << StringPrintf("oat_file_bytes = %8zd\n" 2378 "managed_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 2379 "managed_to_native_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 2380 "native_to_managed_code_bytes = %8zd (%2.0f%% of oat file bytes)\n\n" 2381 "class_initializer_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 2382 "large_initializer_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 2383 "large_method_code_bytes = %8zd (%2.0f%% of oat file bytes)\n\n", 2384 oat_file_bytes, 2385 managed_code_bytes, 2386 PercentOfOatBytes(managed_code_bytes), 2387 managed_to_native_code_bytes, 2388 PercentOfOatBytes(managed_to_native_code_bytes), 2389 native_to_managed_code_bytes, 2390 PercentOfOatBytes(native_to_managed_code_bytes), 2391 class_initializer_code_bytes, 2392 PercentOfOatBytes(class_initializer_code_bytes), 2393 large_initializer_code_bytes, 2394 PercentOfOatBytes(large_initializer_code_bytes), 2395 large_method_code_bytes, 2396 PercentOfOatBytes(large_method_code_bytes)) 2397 << "DexFile sizes:\n"; 2398 for (const std::pair<std::string, size_t>& oat_dex_file_size : oat_dex_file_sizes) { 2399 os << StringPrintf("%s = %zd (%2.0f%% of oat file bytes)\n", 2400 oat_dex_file_size.first.c_str(), oat_dex_file_size.second, 2401 PercentOfOatBytes(oat_dex_file_size.second)); 2402 } 2403 2404 os << "\n" << StringPrintf("gc_map_bytes = %7zd (%2.0f%% of oat file bytes)\n" 2405 "pc_mapping_table_bytes = %7zd (%2.0f%% of oat file bytes)\n" 2406 "vmap_table_bytes = %7zd (%2.0f%% of oat file bytes)\n\n", 2407 gc_map_bytes, PercentOfOatBytes(gc_map_bytes), 2408 pc_mapping_table_bytes, PercentOfOatBytes(pc_mapping_table_bytes), 2409 vmap_table_bytes, PercentOfOatBytes(vmap_table_bytes)) 2410 << std::flush; 2411 2412 os << StringPrintf("dex_instruction_bytes = %zd\n", dex_instruction_bytes) 2413 << StringPrintf("managed_code_bytes expansion = %.2f (ignoring deduplication %.2f)\n\n", 2414 static_cast<double>(managed_code_bytes) / 2415 static_cast<double>(dex_instruction_bytes), 2416 static_cast<double>(managed_code_bytes_ignoring_deduplication) / 2417 static_cast<double>(dex_instruction_bytes)) 2418 << std::flush; 2419 2420 DumpOutliers(os); 2421 } 2422 } stats_; 2423 2424 private: 2425 enum { 2426 // Number of bytes for a constructor to be considered large. Based on the 1000 basic block 2427 // threshold, we assume 2 bytes per instruction and 2 instructions per block. 2428 kLargeConstructorDexBytes = 4000, 2429 // Number of bytes for a method to be considered large. Based on the 4000 basic block 2430 // threshold, we assume 2 bytes per instruction and 2 instructions per block. 2431 kLargeMethodDexBytes = 16000 2432 }; 2433 2434 // For performance, use the *os_ directly for anything that doesn't need indentation 2435 // and prepare an indentation stream with default indentation 1. 2436 std::ostream* os_; 2437 VariableIndentationOutputStream vios_; 2438 ScopedIndentation indent1_; 2439 2440 gc::space::ImageSpace& image_space_; 2441 const ImageHeader& image_header_; 2442 std::unique_ptr<OatDumper> oat_dumper_; 2443 OatDumperOptions* oat_dumper_options_; 2444 std::set<mirror::Object*> dex_caches_; 2445 2446 DISALLOW_COPY_AND_ASSIGN(ImageDumper); 2447}; 2448 2449static int DumpImage(Runtime* runtime, OatDumperOptions* options, std::ostream* os) { 2450 // Dumping the image, no explicit class loader. 2451 ScopedNullHandle<mirror::ClassLoader> null_class_loader; 2452 options->class_loader_ = &null_class_loader; 2453 2454 ScopedObjectAccess soa(Thread::Current()); 2455 gc::Heap* heap = runtime->GetHeap(); 2456 std::vector<gc::space::ImageSpace*> image_spaces = heap->GetBootImageSpaces(); 2457 CHECK(!image_spaces.empty()); 2458 for (gc::space::ImageSpace* image_space : image_spaces) { 2459 const ImageHeader& image_header = image_space->GetImageHeader(); 2460 if (!image_header.IsValid()) { 2461 fprintf(stderr, "Invalid image header %s\n", image_space->GetImageLocation().c_str()); 2462 return EXIT_FAILURE; 2463 } 2464 2465 ImageDumper image_dumper(os, *image_space, image_header, options); 2466 if (!image_dumper.Dump()) { 2467 return EXIT_FAILURE; 2468 } 2469 } 2470 return EXIT_SUCCESS; 2471} 2472 2473static int DumpOatWithRuntime(Runtime* runtime, OatFile* oat_file, OatDumperOptions* options, 2474 std::ostream* os) { 2475 CHECK(runtime != nullptr && oat_file != nullptr && options != nullptr); 2476 2477 Thread* self = Thread::Current(); 2478 CHECK(self != nullptr); 2479 // Need well-known-classes. 2480 WellKnownClasses::Init(self->GetJniEnv()); 2481 2482 // Need to register dex files to get a working dex cache. 2483 ScopedObjectAccess soa(self); 2484 ClassLinker* class_linker = runtime->GetClassLinker(); 2485 runtime->GetOatFileManager().RegisterOatFile(std::unique_ptr<const OatFile>(oat_file)); 2486 std::vector<const DexFile*> class_path; 2487 for (const OatFile::OatDexFile* odf : oat_file->GetOatDexFiles()) { 2488 std::string error_msg; 2489 const DexFile* const dex_file = OpenDexFile(odf, &error_msg); 2490 CHECK(dex_file != nullptr) << error_msg; 2491 class_linker->RegisterDexFile(*dex_file, runtime->GetLinearAlloc()); 2492 class_path.push_back(dex_file); 2493 } 2494 2495 // Need a class loader. 2496 // Fake that we're a compiler. 2497 jobject class_loader = class_linker->CreatePathClassLoader(self, class_path); 2498 2499 // Use the class loader while dumping. 2500 StackHandleScope<1> scope(self); 2501 Handle<mirror::ClassLoader> loader_handle = scope.NewHandle( 2502 soa.Decode<mirror::ClassLoader*>(class_loader)); 2503 options->class_loader_ = &loader_handle; 2504 2505 OatDumper oat_dumper(*oat_file, *options); 2506 bool success = oat_dumper.Dump(*os); 2507 return (success) ? EXIT_SUCCESS : EXIT_FAILURE; 2508} 2509 2510static int DumpOatWithoutRuntime(OatFile* oat_file, OatDumperOptions* options, std::ostream* os) { 2511 CHECK(oat_file != nullptr && options != nullptr); 2512 // No image = no class loader. 2513 ScopedNullHandle<mirror::ClassLoader> null_class_loader; 2514 options->class_loader_ = &null_class_loader; 2515 2516 OatDumper oat_dumper(*oat_file, *options); 2517 bool success = oat_dumper.Dump(*os); 2518 return (success) ? EXIT_SUCCESS : EXIT_FAILURE; 2519} 2520 2521static int DumpOat(Runtime* runtime, const char* oat_filename, OatDumperOptions* options, 2522 std::ostream* os) { 2523 std::string error_msg; 2524 OatFile* oat_file = OatFile::Open(oat_filename, oat_filename, nullptr, nullptr, false, 2525 nullptr, &error_msg); 2526 if (oat_file == nullptr) { 2527 fprintf(stderr, "Failed to open oat file from '%s': %s\n", oat_filename, error_msg.c_str()); 2528 return EXIT_FAILURE; 2529 } 2530 2531 if (runtime != nullptr) { 2532 return DumpOatWithRuntime(runtime, oat_file, options, os); 2533 } else { 2534 return DumpOatWithoutRuntime(oat_file, options, os); 2535 } 2536} 2537 2538static int SymbolizeOat(const char* oat_filename, std::string& output_name) { 2539 std::string error_msg; 2540 OatFile* oat_file = OatFile::Open(oat_filename, oat_filename, nullptr, nullptr, false, 2541 nullptr, &error_msg); 2542 if (oat_file == nullptr) { 2543 fprintf(stderr, "Failed to open oat file from '%s': %s\n", oat_filename, error_msg.c_str()); 2544 return EXIT_FAILURE; 2545 } 2546 2547 OatSymbolizer oat_symbolizer(oat_file, output_name); 2548 if (!oat_symbolizer.Symbolize()) { 2549 fprintf(stderr, "Failed to symbolize\n"); 2550 return EXIT_FAILURE; 2551 } 2552 2553 return EXIT_SUCCESS; 2554} 2555 2556struct OatdumpArgs : public CmdlineArgs { 2557 protected: 2558 using Base = CmdlineArgs; 2559 2560 virtual ParseStatus ParseCustom(const StringPiece& option, 2561 std::string* error_msg) OVERRIDE { 2562 { 2563 ParseStatus base_parse = Base::ParseCustom(option, error_msg); 2564 if (base_parse != kParseUnknownArgument) { 2565 return base_parse; 2566 } 2567 } 2568 2569 if (option.starts_with("--oat-file=")) { 2570 oat_filename_ = option.substr(strlen("--oat-file=")).data(); 2571 } else if (option.starts_with("--image=")) { 2572 image_location_ = option.substr(strlen("--image=")).data(); 2573 } else if (option =="--dump:raw_mapping_table") { 2574 dump_raw_mapping_table_ = true; 2575 } else if (option == "--dump:raw_gc_map") { 2576 dump_raw_gc_map_ = true; 2577 } else if (option == "--no-dump:vmap") { 2578 dump_vmap_ = false; 2579 } else if (option =="--dump:code_info_stack_maps") { 2580 dump_code_info_stack_maps_ = true; 2581 } else if (option == "--no-disassemble") { 2582 disassemble_code_ = false; 2583 } else if (option =="--header-only") { 2584 dump_header_only_ = true; 2585 } else if (option.starts_with("--symbolize=")) { 2586 oat_filename_ = option.substr(strlen("--symbolize=")).data(); 2587 symbolize_ = true; 2588 } else if (option.starts_with("--class-filter=")) { 2589 class_filter_ = option.substr(strlen("--class-filter=")).data(); 2590 } else if (option.starts_with("--method-filter=")) { 2591 method_filter_ = option.substr(strlen("--method-filter=")).data(); 2592 } else if (option.starts_with("--list-classes")) { 2593 list_classes_ = true; 2594 } else if (option.starts_with("--list-methods")) { 2595 list_methods_ = true; 2596 } else if (option.starts_with("--export-dex-to=")) { 2597 export_dex_location_ = option.substr(strlen("--export-dex-to=")).data(); 2598 } else if (option.starts_with("--addr2instr=")) { 2599 if (!ParseUint(option.substr(strlen("--addr2instr=")).data(), &addr2instr_)) { 2600 *error_msg = "Address conversion failed"; 2601 return kParseError; 2602 } 2603 } else { 2604 return kParseUnknownArgument; 2605 } 2606 2607 return kParseOk; 2608 } 2609 2610 virtual ParseStatus ParseChecks(std::string* error_msg) OVERRIDE { 2611 // Infer boot image location from the image location if possible. 2612 if (boot_image_location_ == nullptr) { 2613 boot_image_location_ = image_location_; 2614 } 2615 2616 // Perform the parent checks. 2617 ParseStatus parent_checks = Base::ParseChecks(error_msg); 2618 if (parent_checks != kParseOk) { 2619 return parent_checks; 2620 } 2621 2622 // Perform our own checks. 2623 if (image_location_ == nullptr && oat_filename_ == nullptr) { 2624 *error_msg = "Either --image or --oat-file must be specified"; 2625 return kParseError; 2626 } else if (image_location_ != nullptr && oat_filename_ != nullptr) { 2627 *error_msg = "Either --image or --oat-file must be specified but not both"; 2628 return kParseError; 2629 } 2630 2631 return kParseOk; 2632 } 2633 2634 virtual std::string GetUsage() const { 2635 std::string usage; 2636 2637 usage += 2638 "Usage: oatdump [options] ...\n" 2639 " Example: oatdump --image=$ANDROID_PRODUCT_OUT/system/framework/boot.art\n" 2640 " Example: adb shell oatdump --image=/system/framework/boot.art\n" 2641 "\n" 2642 // Either oat-file or image is required. 2643 " --oat-file=<file.oat>: specifies an input oat filename.\n" 2644 " Example: --oat-file=/system/framework/boot.oat\n" 2645 "\n" 2646 " --image=<file.art>: specifies an input image location.\n" 2647 " Example: --image=/system/framework/boot.art\n" 2648 "\n"; 2649 2650 usage += Base::GetUsage(); 2651 2652 usage += // Optional. 2653 " --dump:raw_mapping_table enables dumping of the mapping table.\n" 2654 " Example: --dump:raw_mapping_table\n" 2655 "\n" 2656 " --dump:raw_gc_map enables dumping of the GC map.\n" 2657 " Example: --dump:raw_gc_map\n" 2658 "\n" 2659 " --no-dump:vmap may be used to disable vmap dumping.\n" 2660 " Example: --no-dump:vmap\n" 2661 "\n" 2662 " --dump:code_info_stack_maps enables dumping of stack maps in CodeInfo sections.\n" 2663 " Example: --dump:code_info_stack_maps\n" 2664 "\n" 2665 " --no-disassemble may be used to disable disassembly.\n" 2666 " Example: --no-disassemble\n" 2667 "\n" 2668 " --header-only may be used to print only the oat header.\n" 2669 " Example: --header-only\n" 2670 "\n" 2671 " --list-classes may be used to list target file classes (can be used with filters).\n" 2672 " Example: --list-classes\n" 2673 " Example: --list-classes --class-filter=com.example.foo\n" 2674 "\n" 2675 " --list-methods may be used to list target file methods (can be used with filters).\n" 2676 " Example: --list-methods\n" 2677 " Example: --list-methods --class-filter=com.example --method-filter=foo\n" 2678 "\n" 2679 " --symbolize=<file.oat>: output a copy of file.oat with elf symbols included.\n" 2680 " Example: --symbolize=/system/framework/boot.oat\n" 2681 "\n" 2682 " --class-filter=<class name>: only dumps classes that contain the filter.\n" 2683 " Example: --class-filter=com.example.foo\n" 2684 "\n" 2685 " --method-filter=<method name>: only dumps methods that contain the filter.\n" 2686 " Example: --method-filter=foo\n" 2687 "\n" 2688 " --export-dex-to=<directory>: may be used to export oat embedded dex files.\n" 2689 " Example: --export-dex-to=/data/local/tmp\n" 2690 "\n" 2691 " --addr2instr=<address>: output matching method disassembled code from relative\n" 2692 " address (e.g. PC from crash dump)\n" 2693 " Example: --addr2instr=0x00001a3b\n" 2694 "\n"; 2695 2696 return usage; 2697 } 2698 2699 public: 2700 const char* oat_filename_ = nullptr; 2701 const char* class_filter_ = ""; 2702 const char* method_filter_ = ""; 2703 const char* image_location_ = nullptr; 2704 std::string elf_filename_prefix_; 2705 bool dump_raw_mapping_table_ = false; 2706 bool dump_raw_gc_map_ = false; 2707 bool dump_vmap_ = true; 2708 bool dump_code_info_stack_maps_ = false; 2709 bool disassemble_code_ = true; 2710 bool symbolize_ = false; 2711 bool list_classes_ = false; 2712 bool list_methods_ = false; 2713 bool dump_header_only_ = false; 2714 uint32_t addr2instr_ = 0; 2715 const char* export_dex_location_ = nullptr; 2716}; 2717 2718struct OatdumpMain : public CmdlineMain<OatdumpArgs> { 2719 virtual bool NeedsRuntime() OVERRIDE { 2720 CHECK(args_ != nullptr); 2721 2722 // If we are only doing the oat file, disable absolute_addresses. Keep them for image dumping. 2723 bool absolute_addresses = (args_->oat_filename_ == nullptr); 2724 2725 oat_dumper_options_ = std::unique_ptr<OatDumperOptions>(new OatDumperOptions( 2726 args_->dump_raw_mapping_table_, 2727 args_->dump_raw_gc_map_, 2728 args_->dump_vmap_, 2729 args_->dump_code_info_stack_maps_, 2730 args_->disassemble_code_, 2731 absolute_addresses, 2732 args_->class_filter_, 2733 args_->method_filter_, 2734 args_->list_classes_, 2735 args_->list_methods_, 2736 args_->dump_header_only_, 2737 args_->export_dex_location_, 2738 args_->addr2instr_)); 2739 2740 return (args_->boot_image_location_ != nullptr || args_->image_location_ != nullptr) && 2741 !args_->symbolize_; 2742 } 2743 2744 virtual bool ExecuteWithoutRuntime() OVERRIDE { 2745 CHECK(args_ != nullptr); 2746 CHECK(args_->oat_filename_ != nullptr); 2747 2748 MemMap::Init(); 2749 2750 if (args_->symbolize_) { 2751 return SymbolizeOat(args_->oat_filename_, args_->output_name_) == EXIT_SUCCESS; 2752 } else { 2753 return DumpOat(nullptr, 2754 args_->oat_filename_, 2755 oat_dumper_options_.get(), 2756 args_->os_) == EXIT_SUCCESS; 2757 } 2758 } 2759 2760 virtual bool ExecuteWithRuntime(Runtime* runtime) { 2761 CHECK(args_ != nullptr); 2762 2763 if (args_->oat_filename_ != nullptr) { 2764 return DumpOat(runtime, 2765 args_->oat_filename_, 2766 oat_dumper_options_.get(), 2767 args_->os_) == EXIT_SUCCESS; 2768 } 2769 2770 return DumpImage(runtime, oat_dumper_options_.get(), args_->os_) == EXIT_SUCCESS; 2771 } 2772 2773 std::unique_ptr<OatDumperOptions> oat_dumper_options_; 2774}; 2775 2776} // namespace art 2777 2778int main(int argc, char** argv) { 2779 art::OatdumpMain main; 2780 return main.Main(argc, argv); 2781} 2782