oatdump.cc revision 3774335b08076117d6950cd472cdd59a167470b5
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 "base/unix_file/fd_file.h" 30#include "class_linker.h" 31#include "class_linker-inl.h" 32#include "dex_file-inl.h" 33#include "dex_instruction.h" 34#include "disassembler.h" 35#include "elf_builder.h" 36#include "gc_map.h" 37#include "gc/space/image_space.h" 38#include "gc/space/large_object_space.h" 39#include "gc/space/space-inl.h" 40#include "image.h" 41#include "indenter.h" 42#include "mapping_table.h" 43#include "mirror/art_field-inl.h" 44#include "mirror/art_method-inl.h" 45#include "mirror/array-inl.h" 46#include "mirror/class-inl.h" 47#include "mirror/object-inl.h" 48#include "mirror/object_array-inl.h" 49#include "oat.h" 50#include "oat_file-inl.h" 51#include "os.h" 52#include "output_stream.h" 53#include "safe_map.h" 54#include "scoped_thread_state_change.h" 55#include "ScopedLocalRef.h" 56#include "thread_list.h" 57#include "verifier/dex_gc_map.h" 58#include "verifier/method_verifier.h" 59#include "vmap_table.h" 60#include "well_known_classes.h" 61 62#include <sys/stat.h> 63#include "cmdline.h" 64 65namespace art { 66 67const char* image_roots_descriptions_[] = { 68 "kResolutionMethod", 69 "kImtConflictMethod", 70 "kImtUnimplementedMethod", 71 "kDefaultImt", 72 "kCalleeSaveMethod", 73 "kRefsOnlySaveMethod", 74 "kRefsAndArgsSaveMethod", 75 "kDexCaches", 76 "kClassRoots", 77}; 78 79class OatSymbolizer FINAL : public CodeOutput { 80 public: 81 explicit OatSymbolizer(const OatFile* oat_file, const std::string& output_name) : 82 oat_file_(oat_file), builder_(nullptr), elf_output_(nullptr), 83 output_name_(output_name.empty() ? "symbolized.oat" : output_name) { 84 } 85 86 bool Init() { 87 Elf32_Word oat_data_size = oat_file_->GetOatHeader().GetExecutableOffset(); 88 89 uint32_t diff = static_cast<uint32_t>(oat_file_->End() - oat_file_->Begin()); 90 uint32_t oat_exec_size = diff - oat_data_size; 91 92 elf_output_ = OS::CreateEmptyFile(output_name_.c_str()); 93 94 builder_.reset(new ElfBuilder<Elf32_Word, Elf32_Sword, Elf32_Addr, Elf32_Dyn, 95 Elf32_Sym, Elf32_Ehdr, Elf32_Phdr, Elf32_Shdr>( 96 this, 97 elf_output_, 98 oat_file_->GetOatHeader().GetInstructionSet(), 99 0, 100 oat_data_size, 101 oat_data_size, 102 oat_exec_size, 103 true, 104 false)); 105 106 if (!builder_->Init()) { 107 builder_.reset(nullptr); 108 return false; 109 } 110 111 return true; 112 } 113 114 typedef void (OatSymbolizer::*Callback)(const DexFile::ClassDef&, 115 uint32_t, 116 const OatFile::OatMethod&, 117 const DexFile&, 118 uint32_t, 119 const DexFile::CodeItem*, 120 uint32_t); 121 122 bool Symbolize() { 123 if (builder_.get() == nullptr) { 124 return false; 125 } 126 127 Walk(&art::OatSymbolizer::RegisterForDedup); 128 129 NormalizeState(); 130 131 Walk(&art::OatSymbolizer::AddSymbol); 132 133 bool result = builder_->Write(); 134 135 // Ignore I/O errors. 136 UNUSED(elf_output_->FlushClose()); 137 138 return result; 139 } 140 141 void Walk(Callback callback) { 142 std::vector<const OatFile::OatDexFile*> oat_dex_files = oat_file_->GetOatDexFiles(); 143 for (size_t i = 0; i < oat_dex_files.size(); i++) { 144 const OatFile::OatDexFile* oat_dex_file = oat_dex_files[i]; 145 CHECK(oat_dex_file != NULL); 146 WalkOatDexFile(oat_dex_file, callback); 147 } 148 } 149 150 void WalkOatDexFile(const OatFile::OatDexFile* oat_dex_file, Callback callback) { 151 std::string error_msg; 152 std::unique_ptr<const DexFile> dex_file(oat_dex_file->OpenDexFile(&error_msg)); 153 if (dex_file.get() == nullptr) { 154 return; 155 } 156 for (size_t class_def_index = 0; 157 class_def_index < dex_file->NumClassDefs(); 158 class_def_index++) { 159 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); 160 const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(class_def_index); 161 OatClassType type = oat_class.GetType(); 162 switch (type) { 163 case kOatClassAllCompiled: 164 case kOatClassSomeCompiled: 165 WalkOatClass(oat_class, *dex_file.get(), class_def, callback); 166 break; 167 168 case kOatClassNoneCompiled: 169 case kOatClassMax: 170 // Ignore. 171 break; 172 } 173 } 174 } 175 176 void WalkOatClass(const OatFile::OatClass& oat_class, const DexFile& dex_file, 177 const DexFile::ClassDef& class_def, Callback callback) { 178 const uint8_t* class_data = dex_file.GetClassData(class_def); 179 if (class_data == nullptr) { // empty class such as a marker interface? 180 return; 181 } 182 // Note: even if this is an interface or a native class, we still have to walk it, as there 183 // might be a static initializer. 184 ClassDataItemIterator it(dex_file, class_data); 185 SkipAllFields(&it); 186 uint32_t class_method_idx = 0; 187 while (it.HasNextDirectMethod()) { 188 const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_idx); 189 WalkOatMethod(class_def, class_method_idx, oat_method, dex_file, it.GetMemberIndex(), 190 it.GetMethodCodeItem(), it.GetMethodAccessFlags(), callback); 191 class_method_idx++; 192 it.Next(); 193 } 194 while (it.HasNextVirtualMethod()) { 195 const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_idx); 196 WalkOatMethod(class_def, class_method_idx, oat_method, dex_file, it.GetMemberIndex(), 197 it.GetMethodCodeItem(), it.GetMethodAccessFlags(), callback); 198 class_method_idx++; 199 it.Next(); 200 } 201 DCHECK(!it.HasNext()); 202 } 203 204 void WalkOatMethod(const DexFile::ClassDef& class_def, uint32_t class_method_index, 205 const OatFile::OatMethod& oat_method, const DexFile& dex_file, 206 uint32_t dex_method_idx, const DexFile::CodeItem* code_item, 207 uint32_t method_access_flags, Callback callback) { 208 if ((method_access_flags & kAccAbstract) != 0) { 209 // Abstract method, no code. 210 return; 211 } 212 if (oat_method.GetCodeOffset() == 0) { 213 // No code. 214 return; 215 } 216 217 (this->*callback)(class_def, class_method_index, oat_method, dex_file, dex_method_idx, code_item, 218 method_access_flags); 219 } 220 221 void RegisterForDedup(const DexFile::ClassDef& class_def ATTRIBUTE_UNUSED, 222 uint32_t class_method_index ATTRIBUTE_UNUSED, 223 const OatFile::OatMethod& oat_method, 224 const DexFile& dex_file ATTRIBUTE_UNUSED, 225 uint32_t dex_method_idx ATTRIBUTE_UNUSED, 226 const DexFile::CodeItem* code_item ATTRIBUTE_UNUSED, 227 uint32_t method_access_flags ATTRIBUTE_UNUSED) { 228 state_[oat_method.GetCodeOffset()]++; 229 } 230 231 void NormalizeState() { 232 for (auto& x : state_) { 233 if (x.second == 1) { 234 state_[x.first] = 0; 235 } 236 } 237 } 238 239 enum class DedupState { // private 240 kNotDeduplicated, 241 kDeduplicatedFirst, 242 kDeduplicatedOther 243 }; 244 DedupState IsDuplicated(uint32_t offset) { 245 if (state_[offset] == 0) { 246 return DedupState::kNotDeduplicated; 247 } 248 if (state_[offset] == 1) { 249 return DedupState::kDeduplicatedOther; 250 } 251 state_[offset] = 1; 252 return DedupState::kDeduplicatedFirst; 253 } 254 255 void AddSymbol(const DexFile::ClassDef& class_def ATTRIBUTE_UNUSED, 256 uint32_t class_method_index ATTRIBUTE_UNUSED, 257 const OatFile::OatMethod& oat_method, 258 const DexFile& dex_file, 259 uint32_t dex_method_idx, 260 const DexFile::CodeItem* code_item ATTRIBUTE_UNUSED, 261 uint32_t method_access_flags ATTRIBUTE_UNUSED) { 262 DedupState dedup = IsDuplicated(oat_method.GetCodeOffset()); 263 if (dedup != DedupState::kDeduplicatedOther) { 264 std::string pretty_name = PrettyMethod(dex_method_idx, dex_file, true); 265 266 if (dedup == DedupState::kDeduplicatedFirst) { 267 pretty_name = "[Dedup]" + pretty_name; 268 } 269 270 ElfSymtabBuilder<Elf32_Word, Elf32_Sword, Elf32_Addr, 271 Elf32_Sym, Elf32_Shdr>* symtab = builder_->GetSymtabBuilder(); 272 273 symtab->AddSymbol(pretty_name, &builder_->GetTextBuilder(), 274 oat_method.GetCodeOffset() - oat_file_->GetOatHeader().GetExecutableOffset(), 275 true, oat_method.GetQuickCodeSize(), STB_GLOBAL, STT_FUNC); 276 } 277 } 278 279 // Set oat data offset. Required by ElfBuilder/CodeOutput. 280 void SetCodeOffset(size_t offset ATTRIBUTE_UNUSED) { 281 // Nothing to do. 282 } 283 284 // Write oat code. Required by ElfBuilder/CodeOutput. 285 bool Write(OutputStream* out) { 286 return out->WriteFully(oat_file_->Begin(), oat_file_->End() - oat_file_->Begin()); 287 } 288 289 private: 290 static void SkipAllFields(ClassDataItemIterator* it) { 291 while (it->HasNextStaticField()) { 292 it->Next(); 293 } 294 while (it->HasNextInstanceField()) { 295 it->Next(); 296 } 297 } 298 299 const OatFile* oat_file_; 300 std::unique_ptr<ElfBuilder<Elf32_Word, Elf32_Sword, Elf32_Addr, Elf32_Dyn, 301 Elf32_Sym, Elf32_Ehdr, Elf32_Phdr, Elf32_Shdr> > builder_; 302 File* elf_output_; 303 std::unordered_map<uint32_t, uint32_t> state_; 304 const std::string output_name_; 305}; 306 307class OatDumperOptions { 308 public: 309 OatDumperOptions(bool dump_raw_mapping_table, 310 bool dump_raw_gc_map, 311 bool dump_vmap, 312 bool disassemble_code, 313 bool absolute_addresses, 314 const char* method_filter) 315 : dump_raw_mapping_table_(dump_raw_mapping_table), 316 dump_raw_gc_map_(dump_raw_gc_map), 317 dump_vmap_(dump_vmap), 318 disassemble_code_(disassemble_code), 319 absolute_addresses_(absolute_addresses), 320 method_filter_(method_filter), 321 class_loader_(nullptr) {} 322 323 const bool dump_raw_mapping_table_; 324 const bool dump_raw_gc_map_; 325 const bool dump_vmap_; 326 const bool disassemble_code_; 327 const bool absolute_addresses_; 328 const char* const method_filter_; 329 Handle<mirror::ClassLoader>* class_loader_; 330}; 331 332class OatDumper { 333 public: 334 explicit OatDumper(const OatFile& oat_file, OatDumperOptions* options) 335 : oat_file_(oat_file), 336 oat_dex_files_(oat_file.GetOatDexFiles()), 337 options_(options), 338 instruction_set_(oat_file_.GetOatHeader().GetInstructionSet()), 339 disassembler_(Disassembler::Create(instruction_set_, 340 new DisassemblerOptions(options_->absolute_addresses_, 341 oat_file.Begin(), 342 true /* can_read_litals_ */))) { 343 CHECK(options_->class_loader_ != nullptr); 344 AddAllOffsets(); 345 } 346 347 ~OatDumper() { 348 delete options_; 349 delete disassembler_; 350 } 351 352 InstructionSet GetInstructionSet() { 353 return instruction_set_; 354 } 355 356 bool Dump(std::ostream& os) { 357 bool success = true; 358 const OatHeader& oat_header = oat_file_.GetOatHeader(); 359 360 os << "MAGIC:\n"; 361 os << oat_header.GetMagic() << "\n\n"; 362 363 os << "CHECKSUM:\n"; 364 os << StringPrintf("0x%08x\n\n", oat_header.GetChecksum()); 365 366 os << "INSTRUCTION SET:\n"; 367 os << oat_header.GetInstructionSet() << "\n\n"; 368 369 { 370 std::unique_ptr<const InstructionSetFeatures> features( 371 InstructionSetFeatures::FromBitmap(oat_header.GetInstructionSet(), 372 oat_header.GetInstructionSetFeaturesBitmap())); 373 os << "INSTRUCTION SET FEATURES:\n"; 374 os << features->GetFeatureString() << "\n\n"; 375 } 376 377 os << "DEX FILE COUNT:\n"; 378 os << oat_header.GetDexFileCount() << "\n\n"; 379 380#define DUMP_OAT_HEADER_OFFSET(label, offset) \ 381 os << label " OFFSET:\n"; \ 382 os << StringPrintf("0x%08x", oat_header.offset()); \ 383 if (oat_header.offset() != 0 && options_->absolute_addresses_) { \ 384 os << StringPrintf(" (%p)", oat_file_.Begin() + oat_header.offset()); \ 385 } \ 386 os << StringPrintf("\n\n"); 387 388 DUMP_OAT_HEADER_OFFSET("EXECUTABLE", GetExecutableOffset); 389 DUMP_OAT_HEADER_OFFSET("INTERPRETER TO INTERPRETER BRIDGE", 390 GetInterpreterToInterpreterBridgeOffset); 391 DUMP_OAT_HEADER_OFFSET("INTERPRETER TO COMPILED CODE BRIDGE", 392 GetInterpreterToCompiledCodeBridgeOffset); 393 DUMP_OAT_HEADER_OFFSET("JNI DLSYM LOOKUP", 394 GetJniDlsymLookupOffset); 395 DUMP_OAT_HEADER_OFFSET("QUICK GENERIC JNI TRAMPOLINE", 396 GetQuickGenericJniTrampolineOffset); 397 DUMP_OAT_HEADER_OFFSET("QUICK IMT CONFLICT TRAMPOLINE", 398 GetQuickImtConflictTrampolineOffset); 399 DUMP_OAT_HEADER_OFFSET("QUICK RESOLUTION TRAMPOLINE", 400 GetQuickResolutionTrampolineOffset); 401 DUMP_OAT_HEADER_OFFSET("QUICK TO INTERPRETER BRIDGE", 402 GetQuickToInterpreterBridgeOffset); 403#undef DUMP_OAT_HEADER_OFFSET 404 405 os << "IMAGE PATCH DELTA:\n"; 406 os << StringPrintf("%d (0x%08x)\n\n", 407 oat_header.GetImagePatchDelta(), 408 oat_header.GetImagePatchDelta()); 409 410 os << "IMAGE FILE LOCATION OAT CHECKSUM:\n"; 411 os << StringPrintf("0x%08x\n\n", oat_header.GetImageFileLocationOatChecksum()); 412 413 os << "IMAGE FILE LOCATION OAT BEGIN:\n"; 414 os << StringPrintf("0x%08x\n\n", oat_header.GetImageFileLocationOatDataBegin()); 415 416 // Print the key-value store. 417 { 418 os << "KEY VALUE STORE:\n"; 419 size_t index = 0; 420 const char* key; 421 const char* value; 422 while (oat_header.GetStoreKeyValuePairByIndex(index, &key, &value)) { 423 os << key << " = " << value << "\n"; 424 index++; 425 } 426 os << "\n"; 427 } 428 429 if (options_->absolute_addresses_) { 430 os << "BEGIN:\n"; 431 os << reinterpret_cast<const void*>(oat_file_.Begin()) << "\n\n"; 432 433 os << "END:\n"; 434 os << reinterpret_cast<const void*>(oat_file_.End()) << "\n\n"; 435 } 436 437 os << "SIZE:\n"; 438 os << oat_file_.Size() << "\n\n"; 439 440 os << std::flush; 441 442 for (size_t i = 0; i < oat_dex_files_.size(); i++) { 443 const OatFile::OatDexFile* oat_dex_file = oat_dex_files_[i]; 444 CHECK(oat_dex_file != nullptr); 445 if (!DumpOatDexFile(os, *oat_dex_file)) { 446 success = false; 447 } 448 } 449 os << std::flush; 450 return success; 451 } 452 453 size_t ComputeSize(const void* oat_data) { 454 if (reinterpret_cast<const uint8_t*>(oat_data) < oat_file_.Begin() || 455 reinterpret_cast<const uint8_t*>(oat_data) > oat_file_.End()) { 456 return 0; // Address not in oat file 457 } 458 uintptr_t begin_offset = reinterpret_cast<uintptr_t>(oat_data) - 459 reinterpret_cast<uintptr_t>(oat_file_.Begin()); 460 auto it = offsets_.upper_bound(begin_offset); 461 CHECK(it != offsets_.end()); 462 uintptr_t end_offset = *it; 463 return end_offset - begin_offset; 464 } 465 466 InstructionSet GetOatInstructionSet() { 467 return oat_file_.GetOatHeader().GetInstructionSet(); 468 } 469 470 const void* GetQuickOatCode(mirror::ArtMethod* m) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 471 for (size_t i = 0; i < oat_dex_files_.size(); i++) { 472 const OatFile::OatDexFile* oat_dex_file = oat_dex_files_[i]; 473 CHECK(oat_dex_file != nullptr); 474 std::string error_msg; 475 std::unique_ptr<const DexFile> dex_file(oat_dex_file->OpenDexFile(&error_msg)); 476 if (dex_file.get() == nullptr) { 477 LOG(WARNING) << "Failed to open dex file '" << oat_dex_file->GetDexFileLocation() 478 << "': " << error_msg; 479 } else { 480 const char* descriptor = m->GetDeclaringClassDescriptor(); 481 const DexFile::ClassDef* class_def = 482 dex_file->FindClassDef(descriptor, ComputeModifiedUtf8Hash(descriptor)); 483 if (class_def != nullptr) { 484 uint16_t class_def_index = dex_file->GetIndexForClassDef(*class_def); 485 const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(class_def_index); 486 size_t method_index = m->GetMethodIndex(); 487 return oat_class.GetOatMethod(method_index).GetQuickCode(); 488 } 489 } 490 } 491 return nullptr; 492 } 493 494 private: 495 void AddAllOffsets() { 496 // We don't know the length of the code for each method, but we need to know where to stop 497 // when disassembling. What we do know is that a region of code will be followed by some other 498 // region, so if we keep a sorted sequence of the start of each region, we can infer the length 499 // of a piece of code by using upper_bound to find the start of the next region. 500 for (size_t i = 0; i < oat_dex_files_.size(); i++) { 501 const OatFile::OatDexFile* oat_dex_file = oat_dex_files_[i]; 502 CHECK(oat_dex_file != nullptr); 503 std::string error_msg; 504 std::unique_ptr<const DexFile> dex_file(oat_dex_file->OpenDexFile(&error_msg)); 505 if (dex_file.get() == nullptr) { 506 LOG(WARNING) << "Failed to open dex file '" << oat_dex_file->GetDexFileLocation() 507 << "': " << error_msg; 508 continue; 509 } 510 offsets_.insert(reinterpret_cast<uintptr_t>(&dex_file->GetHeader())); 511 for (size_t class_def_index = 0; 512 class_def_index < dex_file->NumClassDefs(); 513 class_def_index++) { 514 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); 515 const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(class_def_index); 516 const uint8_t* class_data = dex_file->GetClassData(class_def); 517 if (class_data != nullptr) { 518 ClassDataItemIterator it(*dex_file, class_data); 519 SkipAllFields(it); 520 uint32_t class_method_index = 0; 521 while (it.HasNextDirectMethod()) { 522 AddOffsets(oat_class.GetOatMethod(class_method_index++)); 523 it.Next(); 524 } 525 while (it.HasNextVirtualMethod()) { 526 AddOffsets(oat_class.GetOatMethod(class_method_index++)); 527 it.Next(); 528 } 529 } 530 } 531 } 532 533 // If the last thing in the file is code for a method, there won't be an offset for the "next" 534 // thing. Instead of having a special case in the upper_bound code, let's just add an entry 535 // for the end of the file. 536 offsets_.insert(oat_file_.Size()); 537 } 538 539 static uint32_t AlignCodeOffset(uint32_t maybe_thumb_offset) { 540 return maybe_thumb_offset & ~0x1; // TODO: Make this Thumb2 specific. 541 } 542 543 void AddOffsets(const OatFile::OatMethod& oat_method) { 544 uint32_t code_offset = oat_method.GetCodeOffset(); 545 if (oat_file_.GetOatHeader().GetInstructionSet() == kThumb2) { 546 code_offset &= ~0x1; 547 } 548 offsets_.insert(code_offset); 549 offsets_.insert(oat_method.GetMappingTableOffset()); 550 offsets_.insert(oat_method.GetVmapTableOffset()); 551 offsets_.insert(oat_method.GetGcMapOffset()); 552 } 553 554 bool DumpOatDexFile(std::ostream& os, const OatFile::OatDexFile& oat_dex_file) { 555 bool success = true; 556 os << "OatDexFile:\n"; 557 os << StringPrintf("location: %s\n", oat_dex_file.GetDexFileLocation().c_str()); 558 os << StringPrintf("checksum: 0x%08x\n", oat_dex_file.GetDexFileLocationChecksum()); 559 560 // Create the verifier early. 561 562 std::string error_msg; 563 std::unique_ptr<const DexFile> dex_file(oat_dex_file.OpenDexFile(&error_msg)); 564 if (dex_file.get() == nullptr) { 565 os << "NOT FOUND: " << error_msg << "\n\n"; 566 os << std::flush; 567 return false; 568 } 569 for (size_t class_def_index = 0; 570 class_def_index < dex_file->NumClassDefs(); 571 class_def_index++) { 572 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); 573 const char* descriptor = dex_file->GetClassDescriptor(class_def); 574 uint32_t oat_class_offset = oat_dex_file.GetOatClassOffset(class_def_index); 575 const OatFile::OatClass oat_class = oat_dex_file.GetOatClass(class_def_index); 576 os << StringPrintf("%zd: %s (offset=0x%08x) (type_idx=%d)", 577 class_def_index, descriptor, oat_class_offset, class_def.class_idx_) 578 << " (" << oat_class.GetStatus() << ")" 579 << " (" << oat_class.GetType() << ")\n"; 580 // TODO: include bitmap here if type is kOatClassSomeCompiled? 581 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 582 std::ostream indented_os(&indent_filter); 583 if (!DumpOatClass(indented_os, oat_class, *(dex_file.get()), class_def)) { 584 success = false; 585 } 586 } 587 588 os << std::flush; 589 return success; 590 } 591 592 static void SkipAllFields(ClassDataItemIterator& it) { 593 while (it.HasNextStaticField()) { 594 it.Next(); 595 } 596 while (it.HasNextInstanceField()) { 597 it.Next(); 598 } 599 } 600 601 bool DumpOatClass(std::ostream& os, const OatFile::OatClass& oat_class, const DexFile& dex_file, 602 const DexFile::ClassDef& class_def) { 603 bool success = true; 604 const uint8_t* class_data = dex_file.GetClassData(class_def); 605 if (class_data == nullptr) { // empty class such as a marker interface? 606 os << std::flush; 607 return success; 608 } 609 ClassDataItemIterator it(dex_file, class_data); 610 SkipAllFields(it); 611 uint32_t class_method_index = 0; 612 while (it.HasNextDirectMethod()) { 613 if (!DumpOatMethod(os, class_def, class_method_index, oat_class, dex_file, 614 it.GetMemberIndex(), it.GetMethodCodeItem(), 615 it.GetRawMemberAccessFlags())) { 616 success = false; 617 } 618 class_method_index++; 619 it.Next(); 620 } 621 while (it.HasNextVirtualMethod()) { 622 if (!DumpOatMethod(os, class_def, class_method_index, oat_class, dex_file, 623 it.GetMemberIndex(), it.GetMethodCodeItem(), 624 it.GetRawMemberAccessFlags())) { 625 success = false; 626 } 627 class_method_index++; 628 it.Next(); 629 } 630 DCHECK(!it.HasNext()); 631 os << std::flush; 632 return success; 633 } 634 635 static constexpr uint32_t kPrologueBytes = 16; 636 637 // When this was picked, the largest arm method was 55,256 bytes and arm64 was 50,412 bytes. 638 static constexpr uint32_t kMaxCodeSize = 100 * 1000; 639 640 bool DumpOatMethod(std::ostream& os, const DexFile::ClassDef& class_def, 641 uint32_t class_method_index, 642 const OatFile::OatClass& oat_class, const DexFile& dex_file, 643 uint32_t dex_method_idx, const DexFile::CodeItem* code_item, 644 uint32_t method_access_flags) { 645 bool success = true; 646 std::string pretty_method = PrettyMethod(dex_method_idx, dex_file, true); 647 if (pretty_method.find(options_->method_filter_) == std::string::npos) { 648 return success; 649 } 650 651 os << StringPrintf("%d: %s (dex_method_idx=%d)\n", 652 class_method_index, pretty_method.c_str(), 653 dex_method_idx); 654 Indenter indent1_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 655 std::unique_ptr<std::ostream> indent1_os(new std::ostream(&indent1_filter)); 656 Indenter indent2_filter(indent1_os->rdbuf(), kIndentChar, kIndentBy1Count); 657 std::unique_ptr<std::ostream> indent2_os(new std::ostream(&indent2_filter)); 658 { 659 *indent1_os << "DEX CODE:\n"; 660 DumpDexCode(*indent2_os, dex_file, code_item); 661 } 662 663 std::unique_ptr<verifier::MethodVerifier> verifier; 664 if (Runtime::Current() != nullptr) { 665 *indent1_os << "VERIFIER TYPE ANALYSIS:\n"; 666 verifier.reset(DumpVerifier(*indent2_os, dex_method_idx, &dex_file, class_def, code_item, 667 method_access_flags)); 668 } 669 670 uint32_t oat_method_offsets_offset = oat_class.GetOatMethodOffsetsOffset(class_method_index); 671 const OatMethodOffsets* oat_method_offsets = oat_class.GetOatMethodOffsets(class_method_index); 672 const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_index); 673 { 674 *indent1_os << "OatMethodOffsets "; 675 if (options_->absolute_addresses_) { 676 *indent1_os << StringPrintf("%p ", oat_method_offsets); 677 } 678 *indent1_os << StringPrintf("(offset=0x%08x)\n", oat_method_offsets_offset); 679 if (oat_method_offsets_offset > oat_file_.Size()) { 680 *indent1_os << StringPrintf( 681 "WARNING: oat method offsets offset 0x%08x is past end of file 0x%08zx.\n", 682 oat_method_offsets_offset, oat_file_.Size()); 683 // If we can't read OatMethodOffsets, the rest of the data is dangerous to read. 684 os << std::flush; 685 return false; 686 } 687 688 uint32_t code_offset = oat_method.GetCodeOffset(); 689 *indent2_os << StringPrintf("code_offset: 0x%08x ", code_offset); 690 uint32_t aligned_code_begin = AlignCodeOffset(oat_method.GetCodeOffset()); 691 if (aligned_code_begin > oat_file_.Size()) { 692 *indent2_os << StringPrintf("WARNING: " 693 "code offset 0x%08x is past end of file 0x%08zx.\n", 694 aligned_code_begin, oat_file_.Size()); 695 success = false; 696 } 697 *indent2_os << "\n"; 698 699 *indent2_os << "gc_map: "; 700 if (options_->absolute_addresses_) { 701 *indent2_os << StringPrintf("%p ", oat_method.GetGcMap()); 702 } 703 uint32_t gc_map_offset = oat_method.GetGcMapOffset(); 704 *indent2_os << StringPrintf("(offset=0x%08x)\n", gc_map_offset); 705 if (gc_map_offset > oat_file_.Size()) { 706 *indent2_os << StringPrintf("WARNING: " 707 "gc map table offset 0x%08x is past end of file 0x%08zx.\n", 708 gc_map_offset, oat_file_.Size()); 709 success = false; 710 } else if (options_->dump_raw_gc_map_) { 711 Indenter indent3_filter(indent2_os->rdbuf(), kIndentChar, kIndentBy1Count); 712 std::ostream indent3_os(&indent3_filter); 713 DumpGcMap(indent3_os, oat_method, code_item); 714 } 715 } 716 { 717 *indent1_os << "OatQuickMethodHeader "; 718 uint32_t method_header_offset = oat_method.GetOatQuickMethodHeaderOffset(); 719 const OatQuickMethodHeader* method_header = oat_method.GetOatQuickMethodHeader(); 720 721 if (options_->absolute_addresses_) { 722 *indent1_os << StringPrintf("%p ", method_header); 723 } 724 *indent1_os << StringPrintf("(offset=0x%08x)\n", method_header_offset); 725 if (method_header_offset > oat_file_.Size()) { 726 *indent1_os << StringPrintf( 727 "WARNING: oat quick method header offset 0x%08x is past end of file 0x%08zx.\n", 728 method_header_offset, oat_file_.Size()); 729 // If we can't read the OatQuickMethodHeader, the rest of the data is dangerous to read. 730 os << std::flush; 731 return false; 732 } 733 734 *indent2_os << "mapping_table: "; 735 if (options_->absolute_addresses_) { 736 *indent2_os << StringPrintf("%p ", oat_method.GetMappingTable()); 737 } 738 uint32_t mapping_table_offset = oat_method.GetMappingTableOffset(); 739 *indent2_os << StringPrintf("(offset=0x%08x)\n", oat_method.GetMappingTableOffset()); 740 if (mapping_table_offset > oat_file_.Size()) { 741 *indent2_os << StringPrintf("WARNING: " 742 "mapping table offset 0x%08x is past end of file 0x%08zx. " 743 "mapping table offset was loaded from offset 0x%08x.\n", 744 mapping_table_offset, oat_file_.Size(), 745 oat_method.GetMappingTableOffsetOffset()); 746 success = false; 747 } else if (options_->dump_raw_mapping_table_) { 748 Indenter indent3_filter(indent2_os->rdbuf(), kIndentChar, kIndentBy1Count); 749 std::ostream indent3_os(&indent3_filter); 750 DumpMappingTable(indent3_os, oat_method); 751 } 752 753 *indent2_os << "vmap_table: "; 754 if (options_->absolute_addresses_) { 755 *indent2_os << StringPrintf("%p ", oat_method.GetVmapTable()); 756 } 757 uint32_t vmap_table_offset = oat_method.GetVmapTableOffset(); 758 *indent2_os << StringPrintf("(offset=0x%08x)\n", vmap_table_offset); 759 if (vmap_table_offset > oat_file_.Size()) { 760 *indent2_os << StringPrintf("WARNING: " 761 "vmap table offset 0x%08x is past end of file 0x%08zx. " 762 "vmap table offset was loaded from offset 0x%08x.\n", 763 vmap_table_offset, oat_file_.Size(), 764 oat_method.GetVmapTableOffsetOffset()); 765 success = false; 766 } else if (options_->dump_vmap_) { 767 DumpVmap(*indent2_os, oat_method); 768 } 769 } 770 { 771 *indent1_os << "QuickMethodFrameInfo\n"; 772 773 *indent2_os << StringPrintf("frame_size_in_bytes: %zd\n", oat_method.GetFrameSizeInBytes()); 774 *indent2_os << StringPrintf("core_spill_mask: 0x%08x ", oat_method.GetCoreSpillMask()); 775 DumpSpillMask(*indent2_os, oat_method.GetCoreSpillMask(), false); 776 *indent2_os << "\n"; 777 *indent2_os << StringPrintf("fp_spill_mask: 0x%08x ", oat_method.GetFpSpillMask()); 778 DumpSpillMask(*indent2_os, oat_method.GetFpSpillMask(), true); 779 *indent2_os << "\n"; 780 } 781 { 782 // Based on spill masks from QuickMethodFrameInfo so placed 783 // after it is dumped, but useful for understanding quick 784 // code, so dumped here. 785 DumpVregLocations(*indent2_os, oat_method, code_item); 786 } 787 { 788 *indent1_os << "CODE: "; 789 uint32_t code_size_offset = oat_method.GetQuickCodeSizeOffset(); 790 if (code_size_offset > oat_file_.Size()) { 791 *indent2_os << StringPrintf("WARNING: " 792 "code size offset 0x%08x is past end of file 0x%08zx.", 793 code_size_offset, oat_file_.Size()); 794 success = false; 795 } else { 796 const void* code = oat_method.GetQuickCode(); 797 uint32_t code_size = oat_method.GetQuickCodeSize(); 798 uint32_t code_offset = oat_method.GetCodeOffset(); 799 uint32_t aligned_code_begin = AlignCodeOffset(code_offset); 800 uint64_t aligned_code_end = aligned_code_begin + code_size; 801 802 if (options_->absolute_addresses_) { 803 *indent1_os << StringPrintf("%p ", code); 804 } 805 *indent1_os << StringPrintf("(code_offset=0x%08x size_offset=0x%08x size=%u)%s\n", 806 code_offset, 807 code_size_offset, 808 code_size, 809 code != nullptr ? "..." : ""); 810 811 if (aligned_code_begin > oat_file_.Size()) { 812 *indent2_os << StringPrintf("WARNING: " 813 "start of code at 0x%08x is past end of file 0x%08zx.", 814 aligned_code_begin, oat_file_.Size()); 815 success = false; 816 } else if (aligned_code_end > oat_file_.Size()) { 817 *indent2_os << StringPrintf("WARNING: " 818 "end of code at 0x%08" PRIx64 " is past end of file 0x%08zx. " 819 "code size is 0x%08x loaded from offset 0x%08x.\n", 820 aligned_code_end, oat_file_.Size(), 821 code_size, code_size_offset); 822 success = false; 823 if (options_->disassemble_code_) { 824 if (code_size_offset + kPrologueBytes <= oat_file_.Size()) { 825 DumpCode(*indent2_os, verifier.get(), oat_method, code_item, true, kPrologueBytes); 826 } 827 } 828 } else if (code_size > kMaxCodeSize) { 829 *indent2_os << StringPrintf("WARNING: " 830 "code size %d is bigger than max expected threshold of %d. " 831 "code size is 0x%08x loaded from offset 0x%08x.\n", 832 code_size, kMaxCodeSize, 833 code_size, code_size_offset); 834 success = false; 835 if (options_->disassemble_code_) { 836 if (code_size_offset + kPrologueBytes <= oat_file_.Size()) { 837 DumpCode(*indent2_os, verifier.get(), oat_method, code_item, true, kPrologueBytes); 838 } 839 } 840 } else if (options_->disassemble_code_) { 841 DumpCode(*indent2_os, verifier.get(), oat_method, code_item, !success, 0); 842 } 843 } 844 } 845 os << std::flush; 846 return success; 847 } 848 849 void DumpSpillMask(std::ostream& os, uint32_t spill_mask, bool is_float) { 850 if (spill_mask == 0) { 851 return; 852 } 853 os << "("; 854 for (size_t i = 0; i < 32; i++) { 855 if ((spill_mask & (1 << i)) != 0) { 856 if (is_float) { 857 os << "fr" << i; 858 } else { 859 os << "r" << i; 860 } 861 spill_mask ^= 1 << i; // clear bit 862 if (spill_mask != 0) { 863 os << ", "; 864 } else { 865 break; 866 } 867 } 868 } 869 os << ")"; 870 } 871 872 void DumpVmap(std::ostream& os, const OatFile::OatMethod& oat_method) { 873 // If the native GC map is null, then this method has been compiled with the 874 // optimizing compiler. The optimizing compiler currently outputs its stack map 875 // in the vmap table, and the code below does not work with such a stack map. 876 if (oat_method.GetGcMap() == nullptr) { 877 return; 878 } 879 const uint8_t* raw_table = oat_method.GetVmapTable(); 880 if (raw_table != nullptr) { 881 const VmapTable vmap_table(raw_table); 882 bool first = true; 883 bool processing_fp = false; 884 uint32_t spill_mask = oat_method.GetCoreSpillMask(); 885 for (size_t i = 0; i < vmap_table.Size(); i++) { 886 uint16_t dex_reg = vmap_table[i]; 887 uint32_t cpu_reg = vmap_table.ComputeRegister(spill_mask, i, 888 processing_fp ? kFloatVReg : kIntVReg); 889 os << (first ? "v" : ", v") << dex_reg; 890 if (!processing_fp) { 891 os << "/r" << cpu_reg; 892 } else { 893 os << "/fr" << cpu_reg; 894 } 895 first = false; 896 if (!processing_fp && dex_reg == 0xFFFF) { 897 processing_fp = true; 898 spill_mask = oat_method.GetFpSpillMask(); 899 } 900 } 901 os << "\n"; 902 } 903 } 904 905 void DumpVregLocations(std::ostream& os, const OatFile::OatMethod& oat_method, 906 const DexFile::CodeItem* code_item) { 907 if (code_item != nullptr) { 908 size_t num_locals_ins = code_item->registers_size_; 909 size_t num_ins = code_item->ins_size_; 910 size_t num_locals = num_locals_ins - num_ins; 911 size_t num_outs = code_item->outs_size_; 912 913 os << "vr_stack_locations:"; 914 for (size_t reg = 0; reg <= num_locals_ins; reg++) { 915 // For readability, delimit the different kinds of VRs. 916 if (reg == num_locals_ins) { 917 os << "\n\tmethod*:"; 918 } else if (reg == num_locals && num_ins > 0) { 919 os << "\n\tins:"; 920 } else if (reg == 0 && num_locals > 0) { 921 os << "\n\tlocals:"; 922 } 923 924 uint32_t offset = StackVisitor::GetVRegOffset(code_item, oat_method.GetCoreSpillMask(), 925 oat_method.GetFpSpillMask(), 926 oat_method.GetFrameSizeInBytes(), reg, 927 GetInstructionSet()); 928 os << " v" << reg << "[sp + #" << offset << "]"; 929 } 930 931 for (size_t out_reg = 0; out_reg < num_outs; out_reg++) { 932 if (out_reg == 0) { 933 os << "\n\touts:"; 934 } 935 936 uint32_t offset = StackVisitor::GetOutVROffset(out_reg, GetInstructionSet()); 937 os << " v" << out_reg << "[sp + #" << offset << "]"; 938 } 939 940 os << "\n"; 941 } 942 } 943 944 void DescribeVReg(std::ostream& os, const OatFile::OatMethod& oat_method, 945 const DexFile::CodeItem* code_item, size_t reg, VRegKind kind) { 946 const uint8_t* raw_table = oat_method.GetVmapTable(); 947 if (raw_table != nullptr) { 948 const VmapTable vmap_table(raw_table); 949 uint32_t vmap_offset; 950 if (vmap_table.IsInContext(reg, kind, &vmap_offset)) { 951 bool is_float = (kind == kFloatVReg) || (kind == kDoubleLoVReg) || (kind == kDoubleHiVReg); 952 uint32_t spill_mask = is_float ? oat_method.GetFpSpillMask() 953 : oat_method.GetCoreSpillMask(); 954 os << (is_float ? "fr" : "r") << vmap_table.ComputeRegister(spill_mask, vmap_offset, kind); 955 } else { 956 uint32_t offset = StackVisitor::GetVRegOffset(code_item, oat_method.GetCoreSpillMask(), 957 oat_method.GetFpSpillMask(), 958 oat_method.GetFrameSizeInBytes(), reg, 959 GetInstructionSet()); 960 os << "[sp + #" << offset << "]"; 961 } 962 } 963 } 964 965 void DumpGcMapRegisters(std::ostream& os, const OatFile::OatMethod& oat_method, 966 const DexFile::CodeItem* code_item, 967 size_t num_regs, const uint8_t* reg_bitmap) { 968 bool first = true; 969 for (size_t reg = 0; reg < num_regs; reg++) { 970 if (((reg_bitmap[reg / 8] >> (reg % 8)) & 0x01) != 0) { 971 if (first) { 972 os << " v" << reg << " ("; 973 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 974 os << ")"; 975 first = false; 976 } else { 977 os << ", v" << reg << " ("; 978 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 979 os << ")"; 980 } 981 } 982 } 983 if (first) { 984 os << "No registers in GC map\n"; 985 } else { 986 os << "\n"; 987 } 988 } 989 void DumpGcMap(std::ostream& os, const OatFile::OatMethod& oat_method, 990 const DexFile::CodeItem* code_item) { 991 const uint8_t* gc_map_raw = oat_method.GetGcMap(); 992 if (gc_map_raw == nullptr) { 993 return; // No GC map. 994 } 995 const void* quick_code = oat_method.GetQuickCode(); 996 NativePcOffsetToReferenceMap map(gc_map_raw); 997 for (size_t entry = 0; entry < map.NumEntries(); entry++) { 998 const uint8_t* native_pc = reinterpret_cast<const uint8_t*>(quick_code) + 999 map.GetNativePcOffset(entry); 1000 os << StringPrintf("%p", native_pc); 1001 DumpGcMapRegisters(os, oat_method, code_item, map.RegWidth() * 8, map.GetBitMap(entry)); 1002 } 1003 } 1004 1005 void DumpMappingTable(std::ostream& os, const OatFile::OatMethod& oat_method) { 1006 const void* quick_code = oat_method.GetQuickCode(); 1007 if (quick_code == nullptr) { 1008 return; 1009 } 1010 MappingTable table(oat_method.GetMappingTable()); 1011 if (table.TotalSize() != 0) { 1012 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 1013 std::ostream indent_os(&indent_filter); 1014 if (table.PcToDexSize() != 0) { 1015 typedef MappingTable::PcToDexIterator It; 1016 os << "suspend point mappings {\n"; 1017 for (It cur = table.PcToDexBegin(), end = table.PcToDexEnd(); cur != end; ++cur) { 1018 indent_os << StringPrintf("0x%04x -> 0x%04x\n", cur.NativePcOffset(), cur.DexPc()); 1019 } 1020 os << "}\n"; 1021 } 1022 if (table.DexToPcSize() != 0) { 1023 typedef MappingTable::DexToPcIterator It; 1024 os << "catch entry mappings {\n"; 1025 for (It cur = table.DexToPcBegin(), end = table.DexToPcEnd(); cur != end; ++cur) { 1026 indent_os << StringPrintf("0x%04x -> 0x%04x\n", cur.NativePcOffset(), cur.DexPc()); 1027 } 1028 os << "}\n"; 1029 } 1030 } 1031 } 1032 1033 uint32_t DumpMappingAtOffset(std::ostream& os, const OatFile::OatMethod& oat_method, 1034 size_t offset, bool suspend_point_mapping) { 1035 MappingTable table(oat_method.GetMappingTable()); 1036 if (suspend_point_mapping && table.PcToDexSize() > 0) { 1037 typedef MappingTable::PcToDexIterator It; 1038 for (It cur = table.PcToDexBegin(), end = table.PcToDexEnd(); cur != end; ++cur) { 1039 if (offset == cur.NativePcOffset()) { 1040 os << StringPrintf("suspend point dex PC: 0x%04x\n", cur.DexPc()); 1041 return cur.DexPc(); 1042 } 1043 } 1044 } else if (!suspend_point_mapping && table.DexToPcSize() > 0) { 1045 typedef MappingTable::DexToPcIterator It; 1046 for (It cur = table.DexToPcBegin(), end = table.DexToPcEnd(); cur != end; ++cur) { 1047 if (offset == cur.NativePcOffset()) { 1048 os << StringPrintf("catch entry dex PC: 0x%04x\n", cur.DexPc()); 1049 return cur.DexPc(); 1050 } 1051 } 1052 } 1053 return DexFile::kDexNoIndex; 1054 } 1055 1056 void DumpGcMapAtNativePcOffset(std::ostream& os, const OatFile::OatMethod& oat_method, 1057 const DexFile::CodeItem* code_item, size_t native_pc_offset) { 1058 const uint8_t* gc_map_raw = oat_method.GetGcMap(); 1059 if (gc_map_raw != nullptr) { 1060 NativePcOffsetToReferenceMap map(gc_map_raw); 1061 if (map.HasEntry(native_pc_offset)) { 1062 size_t num_regs = map.RegWidth() * 8; 1063 const uint8_t* reg_bitmap = map.FindBitMap(native_pc_offset); 1064 bool first = true; 1065 for (size_t reg = 0; reg < num_regs; reg++) { 1066 if (((reg_bitmap[reg / 8] >> (reg % 8)) & 0x01) != 0) { 1067 if (first) { 1068 os << "GC map objects: v" << reg << " ("; 1069 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 1070 os << ")"; 1071 first = false; 1072 } else { 1073 os << ", v" << reg << " ("; 1074 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 1075 os << ")"; 1076 } 1077 } 1078 } 1079 if (!first) { 1080 os << "\n"; 1081 } 1082 } 1083 } 1084 } 1085 1086 void DumpVRegsAtDexPc(std::ostream& os, verifier::MethodVerifier* verifier, 1087 const OatFile::OatMethod& oat_method, 1088 const DexFile::CodeItem* code_item, uint32_t dex_pc) { 1089 DCHECK(verifier != nullptr); 1090 std::vector<int32_t> kinds = verifier->DescribeVRegs(dex_pc); 1091 bool first = true; 1092 for (size_t reg = 0; reg < code_item->registers_size_; reg++) { 1093 VRegKind kind = static_cast<VRegKind>(kinds.at(reg * 2)); 1094 if (kind != kUndefined) { 1095 if (first) { 1096 os << "VRegs: v"; 1097 first = false; 1098 } else { 1099 os << ", v"; 1100 } 1101 os << reg << " ("; 1102 switch (kind) { 1103 case kImpreciseConstant: 1104 os << "Imprecise Constant: " << kinds.at((reg * 2) + 1) << ", "; 1105 DescribeVReg(os, oat_method, code_item, reg, kind); 1106 break; 1107 case kConstant: 1108 os << "Constant: " << kinds.at((reg * 2) + 1); 1109 break; 1110 default: 1111 DescribeVReg(os, oat_method, code_item, reg, kind); 1112 break; 1113 } 1114 os << ")"; 1115 } 1116 } 1117 if (!first) { 1118 os << "\n"; 1119 } 1120 } 1121 1122 1123 void DumpDexCode(std::ostream& os, const DexFile& dex_file, const DexFile::CodeItem* code_item) { 1124 if (code_item != nullptr) { 1125 size_t i = 0; 1126 while (i < code_item->insns_size_in_code_units_) { 1127 const Instruction* instruction = Instruction::At(&code_item->insns_[i]); 1128 os << StringPrintf("0x%04zx: %s\n", i, instruction->DumpString(&dex_file).c_str()); 1129 i += instruction->SizeInCodeUnits(); 1130 } 1131 } 1132 } 1133 1134 verifier::MethodVerifier* DumpVerifier(std::ostream& os, uint32_t dex_method_idx, 1135 const DexFile* dex_file, 1136 const DexFile::ClassDef& class_def, 1137 const DexFile::CodeItem* code_item, 1138 uint32_t method_access_flags) { 1139 if ((method_access_flags & kAccNative) == 0) { 1140 ScopedObjectAccess soa(Thread::Current()); 1141 StackHandleScope<1> hs(soa.Self()); 1142 Handle<mirror::DexCache> dex_cache( 1143 hs.NewHandle(Runtime::Current()->GetClassLinker()->FindDexCache(*dex_file))); 1144 DCHECK(options_->class_loader_ != nullptr); 1145 return verifier::MethodVerifier::VerifyMethodAndDump(soa.Self(), os, dex_method_idx, dex_file, 1146 dex_cache, 1147 *options_->class_loader_, 1148 &class_def, code_item, 1149 NullHandle<mirror::ArtMethod>(), 1150 method_access_flags); 1151 } 1152 1153 return nullptr; 1154 } 1155 1156 void DumpCode(std::ostream& os, verifier::MethodVerifier* verifier, 1157 const OatFile::OatMethod& oat_method, const DexFile::CodeItem* code_item, 1158 bool bad_input, size_t code_size) { 1159 const void* quick_code = oat_method.GetQuickCode(); 1160 1161 if (code_size == 0) { 1162 code_size = oat_method.GetQuickCodeSize(); 1163 } 1164 if (code_size == 0 || quick_code == nullptr) { 1165 os << "NO CODE!\n"; 1166 return; 1167 } else { 1168 const uint8_t* quick_native_pc = reinterpret_cast<const uint8_t*>(quick_code); 1169 size_t offset = 0; 1170 while (offset < code_size) { 1171 if (!bad_input) { 1172 DumpMappingAtOffset(os, oat_method, offset, false); 1173 } 1174 offset += disassembler_->Dump(os, quick_native_pc + offset); 1175 if (!bad_input) { 1176 uint32_t dex_pc = DumpMappingAtOffset(os, oat_method, offset, true); 1177 if (dex_pc != DexFile::kDexNoIndex) { 1178 DumpGcMapAtNativePcOffset(os, oat_method, code_item, offset); 1179 if (verifier != nullptr) { 1180 DumpVRegsAtDexPc(os, verifier, oat_method, code_item, dex_pc); 1181 } 1182 } 1183 } 1184 } 1185 } 1186 } 1187 1188 const OatFile& oat_file_; 1189 const std::vector<const OatFile::OatDexFile*> oat_dex_files_; 1190 const OatDumperOptions* options_; 1191 InstructionSet instruction_set_; 1192 std::set<uintptr_t> offsets_; 1193 Disassembler* disassembler_; 1194}; 1195 1196class ImageDumper { 1197 public: 1198 explicit ImageDumper(std::ostream* os, gc::space::ImageSpace& image_space, 1199 const ImageHeader& image_header, OatDumperOptions* oat_dumper_options) 1200 : os_(os), 1201 image_space_(image_space), 1202 image_header_(image_header), 1203 oat_dumper_options_(oat_dumper_options) {} 1204 1205 bool Dump() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1206 std::ostream& os = *os_; 1207 os << "MAGIC: " << image_header_.GetMagic() << "\n\n"; 1208 1209 os << "IMAGE BEGIN: " << reinterpret_cast<void*>(image_header_.GetImageBegin()) << "\n\n"; 1210 1211 os << "IMAGE BITMAP OFFSET: " << reinterpret_cast<void*>(image_header_.GetImageBitmapOffset()) 1212 << " SIZE: " << reinterpret_cast<void*>(image_header_.GetImageBitmapSize()) << "\n\n"; 1213 1214 os << "OAT CHECKSUM: " << StringPrintf("0x%08x\n\n", image_header_.GetOatChecksum()); 1215 1216 os << "OAT FILE BEGIN:" << reinterpret_cast<void*>(image_header_.GetOatFileBegin()) << "\n\n"; 1217 1218 os << "OAT DATA BEGIN:" << reinterpret_cast<void*>(image_header_.GetOatDataBegin()) << "\n\n"; 1219 1220 os << "OAT DATA END:" << reinterpret_cast<void*>(image_header_.GetOatDataEnd()) << "\n\n"; 1221 1222 os << "OAT FILE END:" << reinterpret_cast<void*>(image_header_.GetOatFileEnd()) << "\n\n"; 1223 1224 os << "PATCH DELTA:" << image_header_.GetPatchDelta() << "\n\n"; 1225 1226 os << "COMPILE PIC: " << (image_header_.CompilePic() ? "yes" : "no") << "\n\n"; 1227 1228 { 1229 os << "ROOTS: " << reinterpret_cast<void*>(image_header_.GetImageRoots()) << "\n"; 1230 Indenter indent1_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 1231 std::ostream indent1_os(&indent1_filter); 1232 CHECK_EQ(arraysize(image_roots_descriptions_), size_t(ImageHeader::kImageRootsMax)); 1233 for (int i = 0; i < ImageHeader::kImageRootsMax; i++) { 1234 ImageHeader::ImageRoot image_root = static_cast<ImageHeader::ImageRoot>(i); 1235 const char* image_root_description = image_roots_descriptions_[i]; 1236 mirror::Object* image_root_object = image_header_.GetImageRoot(image_root); 1237 indent1_os << StringPrintf("%s: %p\n", image_root_description, image_root_object); 1238 if (image_root_object->IsObjectArray()) { 1239 Indenter indent2_filter(indent1_os.rdbuf(), kIndentChar, kIndentBy1Count); 1240 std::ostream indent2_os(&indent2_filter); 1241 mirror::ObjectArray<mirror::Object>* image_root_object_array 1242 = image_root_object->AsObjectArray<mirror::Object>(); 1243 for (int j = 0; j < image_root_object_array->GetLength(); j++) { 1244 mirror::Object* value = image_root_object_array->Get(j); 1245 size_t run = 0; 1246 for (int32_t k = j + 1; k < image_root_object_array->GetLength(); k++) { 1247 if (value == image_root_object_array->Get(k)) { 1248 run++; 1249 } else { 1250 break; 1251 } 1252 } 1253 if (run == 0) { 1254 indent2_os << StringPrintf("%d: ", j); 1255 } else { 1256 indent2_os << StringPrintf("%d to %zd: ", j, j + run); 1257 j = j + run; 1258 } 1259 if (value != nullptr) { 1260 PrettyObjectValue(indent2_os, value->GetClass(), value); 1261 } else { 1262 indent2_os << j << ": null\n"; 1263 } 1264 } 1265 } 1266 } 1267 } 1268 os << "\n"; 1269 1270 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1271 std::string image_filename = image_space_.GetImageFilename(); 1272 std::string oat_location = ImageHeader::GetOatLocationFromImageLocation(image_filename); 1273 os << "OAT LOCATION: " << oat_location; 1274 os << "\n"; 1275 std::string error_msg; 1276 const OatFile* oat_file = class_linker->FindOpenedOatFileFromOatLocation(oat_location); 1277 if (oat_file == nullptr) { 1278 oat_file = OatFile::Open(oat_location, oat_location, nullptr, nullptr, false, &error_msg); 1279 if (oat_file == nullptr) { 1280 os << "NOT FOUND: " << error_msg << "\n"; 1281 return false; 1282 } 1283 } 1284 os << "\n"; 1285 1286 stats_.oat_file_bytes = oat_file->Size(); 1287 1288 oat_dumper_.reset(new OatDumper(*oat_file, oat_dumper_options_.release())); 1289 1290 for (const OatFile::OatDexFile* oat_dex_file : oat_file->GetOatDexFiles()) { 1291 CHECK(oat_dex_file != nullptr); 1292 stats_.oat_dex_file_sizes.push_back(std::make_pair(oat_dex_file->GetDexFileLocation(), 1293 oat_dex_file->FileSize())); 1294 } 1295 1296 os << "OBJECTS:\n" << std::flush; 1297 1298 // Loop through all the image spaces and dump their objects. 1299 gc::Heap* heap = Runtime::Current()->GetHeap(); 1300 const std::vector<gc::space::ContinuousSpace*>& spaces = heap->GetContinuousSpaces(); 1301 Thread* self = Thread::Current(); 1302 { 1303 { 1304 WriterMutexLock mu(self, *Locks::heap_bitmap_lock_); 1305 heap->FlushAllocStack(); 1306 } 1307 // Since FlushAllocStack() above resets the (active) allocation 1308 // stack. Need to revoke the thread-local allocation stacks that 1309 // point into it. 1310 { 1311 self->TransitionFromRunnableToSuspended(kNative); 1312 ThreadList* thread_list = Runtime::Current()->GetThreadList(); 1313 thread_list->SuspendAll(); 1314 heap->RevokeAllThreadLocalAllocationStacks(self); 1315 thread_list->ResumeAll(); 1316 self->TransitionFromSuspendedToRunnable(); 1317 } 1318 } 1319 { 1320 std::ostream* saved_os = os_; 1321 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 1322 std::ostream indent_os(&indent_filter); 1323 os_ = &indent_os; 1324 ReaderMutexLock mu(self, *Locks::heap_bitmap_lock_); 1325 for (const auto& space : spaces) { 1326 if (space->IsImageSpace()) { 1327 gc::space::ImageSpace* image_space = space->AsImageSpace(); 1328 image_space->GetLiveBitmap()->Walk(ImageDumper::Callback, this); 1329 indent_os << "\n"; 1330 } 1331 } 1332 // Dump the large objects separately. 1333 heap->GetLargeObjectsSpace()->GetLiveBitmap()->Walk(ImageDumper::Callback, this); 1334 indent_os << "\n"; 1335 os_ = saved_os; 1336 } 1337 os << "STATS:\n" << std::flush; 1338 std::unique_ptr<File> file(OS::OpenFileForReading(image_filename.c_str())); 1339 if (file.get() == nullptr) { 1340 LOG(WARNING) << "Failed to find image in " << image_filename; 1341 } 1342 if (file.get() != nullptr) { 1343 stats_.file_bytes = file->GetLength(); 1344 } 1345 size_t header_bytes = sizeof(ImageHeader); 1346 stats_.header_bytes = header_bytes; 1347 size_t alignment_bytes = RoundUp(header_bytes, kObjectAlignment) - header_bytes; 1348 stats_.alignment_bytes += alignment_bytes; 1349 stats_.alignment_bytes += image_header_.GetImageBitmapOffset() - image_header_.GetImageSize(); 1350 stats_.bitmap_bytes += image_header_.GetImageBitmapSize(); 1351 stats_.Dump(os); 1352 os << "\n"; 1353 1354 os << std::flush; 1355 1356 return oat_dumper_->Dump(os); 1357 } 1358 1359 private: 1360 static void PrettyObjectValue(std::ostream& os, mirror::Class* type, mirror::Object* value) 1361 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1362 CHECK(type != nullptr); 1363 if (value == nullptr) { 1364 os << StringPrintf("null %s\n", PrettyDescriptor(type).c_str()); 1365 } else if (type->IsStringClass()) { 1366 mirror::String* string = value->AsString(); 1367 os << StringPrintf("%p String: %s\n", string, 1368 PrintableString(string->ToModifiedUtf8().c_str()).c_str()); 1369 } else if (type->IsClassClass()) { 1370 mirror::Class* klass = value->AsClass(); 1371 os << StringPrintf("%p Class: %s\n", klass, PrettyDescriptor(klass).c_str()); 1372 } else if (type->IsArtFieldClass()) { 1373 mirror::ArtField* field = value->AsArtField(); 1374 os << StringPrintf("%p Field: %s\n", field, PrettyField(field).c_str()); 1375 } else if (type->IsArtMethodClass()) { 1376 mirror::ArtMethod* method = value->AsArtMethod(); 1377 os << StringPrintf("%p Method: %s\n", method, PrettyMethod(method).c_str()); 1378 } else { 1379 os << StringPrintf("%p %s\n", value, PrettyDescriptor(type).c_str()); 1380 } 1381 } 1382 1383 static void PrintField(std::ostream& os, mirror::ArtField* field, mirror::Object* obj) 1384 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1385 os << StringPrintf("%s: ", field->GetName()); 1386 switch (field->GetTypeAsPrimitiveType()) { 1387 case Primitive::kPrimLong: 1388 os << StringPrintf("%" PRId64 " (0x%" PRIx64 ")\n", field->Get64(obj), field->Get64(obj)); 1389 break; 1390 case Primitive::kPrimDouble: 1391 os << StringPrintf("%f (%a)\n", field->GetDouble(obj), field->GetDouble(obj)); 1392 break; 1393 case Primitive::kPrimFloat: 1394 os << StringPrintf("%f (%a)\n", field->GetFloat(obj), field->GetFloat(obj)); 1395 break; 1396 case Primitive::kPrimInt: 1397 os << StringPrintf("%d (0x%x)\n", field->Get32(obj), field->Get32(obj)); 1398 break; 1399 case Primitive::kPrimChar: 1400 os << StringPrintf("%u (0x%x)\n", field->GetChar(obj), field->GetChar(obj)); 1401 break; 1402 case Primitive::kPrimShort: 1403 os << StringPrintf("%d (0x%x)\n", field->GetShort(obj), field->GetShort(obj)); 1404 break; 1405 case Primitive::kPrimBoolean: 1406 os << StringPrintf("%s (0x%x)\n", field->GetBoolean(obj)? "true" : "false", 1407 field->GetBoolean(obj)); 1408 break; 1409 case Primitive::kPrimByte: 1410 os << StringPrintf("%d (0x%x)\n", field->GetByte(obj), field->GetByte(obj)); 1411 break; 1412 case Primitive::kPrimNot: { 1413 // Get the value, don't compute the type unless it is non-null as we don't want 1414 // to cause class loading. 1415 mirror::Object* value = field->GetObj(obj); 1416 if (value == nullptr) { 1417 os << StringPrintf("null %s\n", PrettyDescriptor(field->GetTypeDescriptor()).c_str()); 1418 } else { 1419 // Grab the field type without causing resolution. 1420 mirror::Class* field_type = field->GetType(false); 1421 if (field_type != nullptr) { 1422 PrettyObjectValue(os, field_type, value); 1423 } else { 1424 os << StringPrintf("%p %s\n", value, 1425 PrettyDescriptor(field->GetTypeDescriptor()).c_str()); 1426 } 1427 } 1428 break; 1429 } 1430 default: 1431 os << "unexpected field type: " << field->GetTypeDescriptor() << "\n"; 1432 break; 1433 } 1434 } 1435 1436 static void DumpFields(std::ostream& os, mirror::Object* obj, mirror::Class* klass) 1437 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1438 mirror::Class* super = klass->GetSuperClass(); 1439 if (super != nullptr) { 1440 DumpFields(os, obj, super); 1441 } 1442 mirror::ObjectArray<mirror::ArtField>* fields = klass->GetIFields(); 1443 if (fields != nullptr) { 1444 for (int32_t i = 0; i < fields->GetLength(); i++) { 1445 mirror::ArtField* field = fields->Get(i); 1446 PrintField(os, field, obj); 1447 } 1448 } 1449 } 1450 1451 bool InDumpSpace(const mirror::Object* object) { 1452 return image_space_.Contains(object); 1453 } 1454 1455 const void* GetQuickOatCodeBegin(mirror::ArtMethod* m) 1456 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1457 const void* quick_code = m->GetEntryPointFromQuickCompiledCodePtrSize( 1458 InstructionSetPointerSize(oat_dumper_->GetOatInstructionSet())); 1459 if (Runtime::Current()->GetClassLinker()->IsQuickResolutionStub(quick_code)) { 1460 quick_code = oat_dumper_->GetQuickOatCode(m); 1461 } 1462 if (oat_dumper_->GetInstructionSet() == kThumb2) { 1463 quick_code = reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(quick_code) & ~0x1); 1464 } 1465 return quick_code; 1466 } 1467 1468 uint32_t GetQuickOatCodeSize(mirror::ArtMethod* m) 1469 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1470 const uint32_t* oat_code_begin = reinterpret_cast<const uint32_t*>(GetQuickOatCodeBegin(m)); 1471 if (oat_code_begin == nullptr) { 1472 return 0; 1473 } 1474 return oat_code_begin[-1]; 1475 } 1476 1477 const void* GetQuickOatCodeEnd(mirror::ArtMethod* m) 1478 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1479 const uint8_t* oat_code_begin = reinterpret_cast<const uint8_t*>(GetQuickOatCodeBegin(m)); 1480 if (oat_code_begin == nullptr) { 1481 return nullptr; 1482 } 1483 return oat_code_begin + GetQuickOatCodeSize(m); 1484 } 1485 1486 static void Callback(mirror::Object* obj, void* arg) 1487 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1488 DCHECK(obj != nullptr); 1489 DCHECK(arg != nullptr); 1490 ImageDumper* state = reinterpret_cast<ImageDumper*>(arg); 1491 if (!state->InDumpSpace(obj)) { 1492 return; 1493 } 1494 1495 size_t object_bytes = obj->SizeOf(); 1496 size_t alignment_bytes = RoundUp(object_bytes, kObjectAlignment) - object_bytes; 1497 state->stats_.object_bytes += object_bytes; 1498 state->stats_.alignment_bytes += alignment_bytes; 1499 1500 std::ostream& os = *state->os_; 1501 mirror::Class* obj_class = obj->GetClass(); 1502 if (obj_class->IsArrayClass()) { 1503 os << StringPrintf("%p: %s length:%d\n", obj, PrettyDescriptor(obj_class).c_str(), 1504 obj->AsArray()->GetLength()); 1505 } else if (obj->IsClass()) { 1506 mirror::Class* klass = obj->AsClass(); 1507 os << StringPrintf("%p: java.lang.Class \"%s\" (", obj, PrettyDescriptor(klass).c_str()) 1508 << klass->GetStatus() << ")\n"; 1509 } else if (obj->IsArtField()) { 1510 os << StringPrintf("%p: java.lang.reflect.ArtField %s\n", obj, 1511 PrettyField(obj->AsArtField()).c_str()); 1512 } else if (obj->IsArtMethod()) { 1513 os << StringPrintf("%p: java.lang.reflect.ArtMethod %s\n", obj, 1514 PrettyMethod(obj->AsArtMethod()).c_str()); 1515 } else if (obj_class->IsStringClass()) { 1516 os << StringPrintf("%p: java.lang.String %s\n", obj, 1517 PrintableString(obj->AsString()->ToModifiedUtf8().c_str()).c_str()); 1518 } else { 1519 os << StringPrintf("%p: %s\n", obj, PrettyDescriptor(obj_class).c_str()); 1520 } 1521 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 1522 std::ostream indent_os(&indent_filter); 1523 DumpFields(indent_os, obj, obj_class); 1524 if (obj->IsObjectArray()) { 1525 mirror::ObjectArray<mirror::Object>* obj_array = obj->AsObjectArray<mirror::Object>(); 1526 int32_t length = obj_array->GetLength(); 1527 for (int32_t i = 0; i < length; i++) { 1528 mirror::Object* value = obj_array->Get(i); 1529 size_t run = 0; 1530 for (int32_t j = i + 1; j < length; j++) { 1531 if (value == obj_array->Get(j)) { 1532 run++; 1533 } else { 1534 break; 1535 } 1536 } 1537 if (run == 0) { 1538 indent_os << StringPrintf("%d: ", i); 1539 } else { 1540 indent_os << StringPrintf("%d to %zd: ", i, i + run); 1541 i = i + run; 1542 } 1543 mirror::Class* value_class = 1544 (value == nullptr) ? obj_class->GetComponentType() : value->GetClass(); 1545 PrettyObjectValue(indent_os, value_class, value); 1546 } 1547 } else if (obj->IsClass()) { 1548 mirror::ObjectArray<mirror::ArtField>* sfields = obj->AsClass()->GetSFields(); 1549 if (sfields != nullptr) { 1550 indent_os << "STATICS:\n"; 1551 Indenter indent2_filter(indent_os.rdbuf(), kIndentChar, kIndentBy1Count); 1552 std::ostream indent2_os(&indent2_filter); 1553 for (int32_t i = 0; i < sfields->GetLength(); i++) { 1554 mirror::ArtField* field = sfields->Get(i); 1555 PrintField(indent2_os, field, field->GetDeclaringClass()); 1556 } 1557 } 1558 } else if (obj->IsArtMethod()) { 1559 const size_t image_pointer_size = InstructionSetPointerSize( 1560 state->oat_dumper_->GetOatInstructionSet()); 1561 mirror::ArtMethod* method = obj->AsArtMethod(); 1562 if (method->IsNative()) { 1563 DCHECK(method->GetNativeGcMap(image_pointer_size) == nullptr) << PrettyMethod(method); 1564 DCHECK(method->GetMappingTable(image_pointer_size) == nullptr) << PrettyMethod(method); 1565 bool first_occurrence; 1566 const void* quick_oat_code = state->GetQuickOatCodeBegin(method); 1567 uint32_t quick_oat_code_size = state->GetQuickOatCodeSize(method); 1568 state->ComputeOatSize(quick_oat_code, &first_occurrence); 1569 if (first_occurrence) { 1570 state->stats_.native_to_managed_code_bytes += quick_oat_code_size; 1571 } 1572 if (quick_oat_code != method->GetEntryPointFromQuickCompiledCodePtrSize( 1573 image_pointer_size)) { 1574 indent_os << StringPrintf("OAT CODE: %p\n", quick_oat_code); 1575 } 1576 } else if (method->IsAbstract() || method->IsCalleeSaveMethod() || 1577 method->IsResolutionMethod() || method->IsImtConflictMethod() || 1578 method->IsImtUnimplementedMethod() || method->IsClassInitializer()) { 1579 DCHECK(method->GetNativeGcMap(image_pointer_size) == nullptr) << PrettyMethod(method); 1580 DCHECK(method->GetMappingTable(image_pointer_size) == nullptr) << PrettyMethod(method); 1581 } else { 1582 const DexFile::CodeItem* code_item = method->GetCodeItem(); 1583 size_t dex_instruction_bytes = code_item->insns_size_in_code_units_ * 2; 1584 state->stats_.dex_instruction_bytes += dex_instruction_bytes; 1585 1586 bool first_occurrence; 1587 size_t gc_map_bytes = 1588 state->ComputeOatSize(method->GetNativeGcMap(image_pointer_size), &first_occurrence); 1589 if (first_occurrence) { 1590 state->stats_.gc_map_bytes += gc_map_bytes; 1591 } 1592 1593 size_t pc_mapping_table_bytes = 1594 state->ComputeOatSize(method->GetMappingTable(image_pointer_size), &first_occurrence); 1595 if (first_occurrence) { 1596 state->stats_.pc_mapping_table_bytes += pc_mapping_table_bytes; 1597 } 1598 1599 size_t vmap_table_bytes = 1600 state->ComputeOatSize(method->GetVmapTable(image_pointer_size), &first_occurrence); 1601 if (first_occurrence) { 1602 state->stats_.vmap_table_bytes += vmap_table_bytes; 1603 } 1604 1605 const void* quick_oat_code_begin = state->GetQuickOatCodeBegin(method); 1606 const void* quick_oat_code_end = state->GetQuickOatCodeEnd(method); 1607 uint32_t quick_oat_code_size = state->GetQuickOatCodeSize(method); 1608 state->ComputeOatSize(quick_oat_code_begin, &first_occurrence); 1609 if (first_occurrence) { 1610 state->stats_.managed_code_bytes += quick_oat_code_size; 1611 if (method->IsConstructor()) { 1612 if (method->IsStatic()) { 1613 state->stats_.class_initializer_code_bytes += quick_oat_code_size; 1614 } else if (dex_instruction_bytes > kLargeConstructorDexBytes) { 1615 state->stats_.large_initializer_code_bytes += quick_oat_code_size; 1616 } 1617 } else if (dex_instruction_bytes > kLargeMethodDexBytes) { 1618 state->stats_.large_method_code_bytes += quick_oat_code_size; 1619 } 1620 } 1621 state->stats_.managed_code_bytes_ignoring_deduplication += quick_oat_code_size; 1622 1623 indent_os << StringPrintf("OAT CODE: %p-%p\n", quick_oat_code_begin, quick_oat_code_end); 1624 indent_os << StringPrintf("SIZE: Dex Instructions=%zd GC=%zd Mapping=%zd\n", 1625 dex_instruction_bytes, gc_map_bytes, pc_mapping_table_bytes); 1626 1627 size_t total_size = dex_instruction_bytes + gc_map_bytes + pc_mapping_table_bytes + 1628 vmap_table_bytes + quick_oat_code_size + object_bytes; 1629 1630 double expansion = 1631 static_cast<double>(quick_oat_code_size) / static_cast<double>(dex_instruction_bytes); 1632 state->stats_.ComputeOutliers(total_size, expansion, method); 1633 } 1634 } 1635 std::string temp; 1636 state->stats_.Update(obj_class->GetDescriptor(&temp), object_bytes); 1637 } 1638 1639 std::set<const void*> already_seen_; 1640 // Compute the size of the given data within the oat file and whether this is the first time 1641 // this data has been requested 1642 size_t ComputeOatSize(const void* oat_data, bool* first_occurrence) { 1643 if (already_seen_.count(oat_data) == 0) { 1644 *first_occurrence = true; 1645 already_seen_.insert(oat_data); 1646 } else { 1647 *first_occurrence = false; 1648 } 1649 return oat_dumper_->ComputeSize(oat_data); 1650 } 1651 1652 public: 1653 struct Stats { 1654 size_t oat_file_bytes; 1655 size_t file_bytes; 1656 1657 size_t header_bytes; 1658 size_t object_bytes; 1659 size_t bitmap_bytes; 1660 size_t alignment_bytes; 1661 1662 size_t managed_code_bytes; 1663 size_t managed_code_bytes_ignoring_deduplication; 1664 size_t managed_to_native_code_bytes; 1665 size_t native_to_managed_code_bytes; 1666 size_t class_initializer_code_bytes; 1667 size_t large_initializer_code_bytes; 1668 size_t large_method_code_bytes; 1669 1670 size_t gc_map_bytes; 1671 size_t pc_mapping_table_bytes; 1672 size_t vmap_table_bytes; 1673 1674 size_t dex_instruction_bytes; 1675 1676 std::vector<mirror::ArtMethod*> method_outlier; 1677 std::vector<size_t> method_outlier_size; 1678 std::vector<double> method_outlier_expansion; 1679 std::vector<std::pair<std::string, size_t>> oat_dex_file_sizes; 1680 1681 explicit Stats() 1682 : oat_file_bytes(0), 1683 file_bytes(0), 1684 header_bytes(0), 1685 object_bytes(0), 1686 bitmap_bytes(0), 1687 alignment_bytes(0), 1688 managed_code_bytes(0), 1689 managed_code_bytes_ignoring_deduplication(0), 1690 managed_to_native_code_bytes(0), 1691 native_to_managed_code_bytes(0), 1692 class_initializer_code_bytes(0), 1693 large_initializer_code_bytes(0), 1694 large_method_code_bytes(0), 1695 gc_map_bytes(0), 1696 pc_mapping_table_bytes(0), 1697 vmap_table_bytes(0), 1698 dex_instruction_bytes(0) {} 1699 1700 struct SizeAndCount { 1701 SizeAndCount(size_t bytes_in, size_t count_in) : bytes(bytes_in), count(count_in) {} 1702 size_t bytes; 1703 size_t count; 1704 }; 1705 typedef SafeMap<std::string, SizeAndCount> SizeAndCountTable; 1706 SizeAndCountTable sizes_and_counts; 1707 1708 void Update(const char* descriptor, size_t object_bytes_in) { 1709 SizeAndCountTable::iterator it = sizes_and_counts.find(descriptor); 1710 if (it != sizes_and_counts.end()) { 1711 it->second.bytes += object_bytes_in; 1712 it->second.count += 1; 1713 } else { 1714 sizes_and_counts.Put(descriptor, SizeAndCount(object_bytes_in, 1)); 1715 } 1716 } 1717 1718 double PercentOfOatBytes(size_t size) { 1719 return (static_cast<double>(size) / static_cast<double>(oat_file_bytes)) * 100; 1720 } 1721 1722 double PercentOfFileBytes(size_t size) { 1723 return (static_cast<double>(size) / static_cast<double>(file_bytes)) * 100; 1724 } 1725 1726 double PercentOfObjectBytes(size_t size) { 1727 return (static_cast<double>(size) / static_cast<double>(object_bytes)) * 100; 1728 } 1729 1730 void ComputeOutliers(size_t total_size, double expansion, mirror::ArtMethod* method) { 1731 method_outlier_size.push_back(total_size); 1732 method_outlier_expansion.push_back(expansion); 1733 method_outlier.push_back(method); 1734 } 1735 1736 void DumpOutliers(std::ostream& os) 1737 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1738 size_t sum_of_sizes = 0; 1739 size_t sum_of_sizes_squared = 0; 1740 size_t sum_of_expansion = 0; 1741 size_t sum_of_expansion_squared = 0; 1742 size_t n = method_outlier_size.size(); 1743 for (size_t i = 0; i < n; i++) { 1744 size_t cur_size = method_outlier_size[i]; 1745 sum_of_sizes += cur_size; 1746 sum_of_sizes_squared += cur_size * cur_size; 1747 double cur_expansion = method_outlier_expansion[i]; 1748 sum_of_expansion += cur_expansion; 1749 sum_of_expansion_squared += cur_expansion * cur_expansion; 1750 } 1751 size_t size_mean = sum_of_sizes / n; 1752 size_t size_variance = (sum_of_sizes_squared - sum_of_sizes * size_mean) / (n - 1); 1753 double expansion_mean = sum_of_expansion / n; 1754 double expansion_variance = 1755 (sum_of_expansion_squared - sum_of_expansion * expansion_mean) / (n - 1); 1756 1757 // Dump methods whose size is a certain number of standard deviations from the mean 1758 size_t dumped_values = 0; 1759 size_t skipped_values = 0; 1760 for (size_t i = 100; i > 0; i--) { // i is the current number of standard deviations 1761 size_t cur_size_variance = i * i * size_variance; 1762 bool first = true; 1763 for (size_t j = 0; j < n; j++) { 1764 size_t cur_size = method_outlier_size[j]; 1765 if (cur_size > size_mean) { 1766 size_t cur_var = cur_size - size_mean; 1767 cur_var = cur_var * cur_var; 1768 if (cur_var > cur_size_variance) { 1769 if (dumped_values > 20) { 1770 if (i == 1) { 1771 skipped_values++; 1772 } else { 1773 i = 2; // jump to counting for 1 standard deviation 1774 break; 1775 } 1776 } else { 1777 if (first) { 1778 os << "\nBig methods (size > " << i << " standard deviations the norm):\n"; 1779 first = false; 1780 } 1781 os << PrettyMethod(method_outlier[j]) << " requires storage of " 1782 << PrettySize(cur_size) << "\n"; 1783 method_outlier_size[j] = 0; // don't consider this method again 1784 dumped_values++; 1785 } 1786 } 1787 } 1788 } 1789 } 1790 if (skipped_values > 0) { 1791 os << "... skipped " << skipped_values 1792 << " methods with size > 1 standard deviation from the norm\n"; 1793 } 1794 os << std::flush; 1795 1796 // Dump methods whose expansion is a certain number of standard deviations from the mean 1797 dumped_values = 0; 1798 skipped_values = 0; 1799 for (size_t i = 10; i > 0; i--) { // i is the current number of standard deviations 1800 double cur_expansion_variance = i * i * expansion_variance; 1801 bool first = true; 1802 for (size_t j = 0; j < n; j++) { 1803 double cur_expansion = method_outlier_expansion[j]; 1804 if (cur_expansion > expansion_mean) { 1805 size_t cur_var = cur_expansion - expansion_mean; 1806 cur_var = cur_var * cur_var; 1807 if (cur_var > cur_expansion_variance) { 1808 if (dumped_values > 20) { 1809 if (i == 1) { 1810 skipped_values++; 1811 } else { 1812 i = 2; // jump to counting for 1 standard deviation 1813 break; 1814 } 1815 } else { 1816 if (first) { 1817 os << "\nLarge expansion methods (size > " << i 1818 << " standard deviations the norm):\n"; 1819 first = false; 1820 } 1821 os << PrettyMethod(method_outlier[j]) << " expanded code by " 1822 << cur_expansion << "\n"; 1823 method_outlier_expansion[j] = 0.0; // don't consider this method again 1824 dumped_values++; 1825 } 1826 } 1827 } 1828 } 1829 } 1830 if (skipped_values > 0) { 1831 os << "... skipped " << skipped_values 1832 << " methods with expansion > 1 standard deviation from the norm\n"; 1833 } 1834 os << "\n" << std::flush; 1835 } 1836 1837 void Dump(std::ostream& os) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1838 { 1839 os << "art_file_bytes = " << PrettySize(file_bytes) << "\n\n" 1840 << "art_file_bytes = header_bytes + object_bytes + alignment_bytes\n"; 1841 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 1842 std::ostream indent_os(&indent_filter); 1843 indent_os << StringPrintf("header_bytes = %8zd (%2.0f%% of art file bytes)\n" 1844 "object_bytes = %8zd (%2.0f%% of art file bytes)\n" 1845 "bitmap_bytes = %8zd (%2.0f%% of art file bytes)\n" 1846 "alignment_bytes = %8zd (%2.0f%% of art file bytes)\n\n", 1847 header_bytes, PercentOfFileBytes(header_bytes), 1848 object_bytes, PercentOfFileBytes(object_bytes), 1849 bitmap_bytes, PercentOfFileBytes(bitmap_bytes), 1850 alignment_bytes, PercentOfFileBytes(alignment_bytes)) 1851 << std::flush; 1852 CHECK_EQ(file_bytes, bitmap_bytes + header_bytes + object_bytes + alignment_bytes); 1853 } 1854 1855 os << "object_bytes breakdown:\n"; 1856 size_t object_bytes_total = 0; 1857 for (const auto& sizes_and_count : sizes_and_counts) { 1858 const std::string& descriptor(sizes_and_count.first); 1859 double average = static_cast<double>(sizes_and_count.second.bytes) / 1860 static_cast<double>(sizes_and_count.second.count); 1861 double percent = PercentOfObjectBytes(sizes_and_count.second.bytes); 1862 os << StringPrintf("%32s %8zd bytes %6zd instances " 1863 "(%4.0f bytes/instance) %2.0f%% of object_bytes\n", 1864 descriptor.c_str(), sizes_and_count.second.bytes, 1865 sizes_and_count.second.count, average, percent); 1866 object_bytes_total += sizes_and_count.second.bytes; 1867 } 1868 os << "\n" << std::flush; 1869 CHECK_EQ(object_bytes, object_bytes_total); 1870 1871 os << StringPrintf("oat_file_bytes = %8zd\n" 1872 "managed_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1873 "managed_to_native_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1874 "native_to_managed_code_bytes = %8zd (%2.0f%% of oat file bytes)\n\n" 1875 "class_initializer_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1876 "large_initializer_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1877 "large_method_code_bytes = %8zd (%2.0f%% of oat file bytes)\n\n", 1878 oat_file_bytes, 1879 managed_code_bytes, 1880 PercentOfOatBytes(managed_code_bytes), 1881 managed_to_native_code_bytes, 1882 PercentOfOatBytes(managed_to_native_code_bytes), 1883 native_to_managed_code_bytes, 1884 PercentOfOatBytes(native_to_managed_code_bytes), 1885 class_initializer_code_bytes, 1886 PercentOfOatBytes(class_initializer_code_bytes), 1887 large_initializer_code_bytes, 1888 PercentOfOatBytes(large_initializer_code_bytes), 1889 large_method_code_bytes, 1890 PercentOfOatBytes(large_method_code_bytes)) 1891 << "DexFile sizes:\n"; 1892 for (const std::pair<std::string, size_t>& oat_dex_file_size : oat_dex_file_sizes) { 1893 os << StringPrintf("%s = %zd (%2.0f%% of oat file bytes)\n", 1894 oat_dex_file_size.first.c_str(), oat_dex_file_size.second, 1895 PercentOfOatBytes(oat_dex_file_size.second)); 1896 } 1897 1898 os << "\n" << StringPrintf("gc_map_bytes = %7zd (%2.0f%% of oat file bytes)\n" 1899 "pc_mapping_table_bytes = %7zd (%2.0f%% of oat file bytes)\n" 1900 "vmap_table_bytes = %7zd (%2.0f%% of oat file bytes)\n\n", 1901 gc_map_bytes, PercentOfOatBytes(gc_map_bytes), 1902 pc_mapping_table_bytes, PercentOfOatBytes(pc_mapping_table_bytes), 1903 vmap_table_bytes, PercentOfOatBytes(vmap_table_bytes)) 1904 << std::flush; 1905 1906 os << StringPrintf("dex_instruction_bytes = %zd\n", dex_instruction_bytes) 1907 << StringPrintf("managed_code_bytes expansion = %.2f (ignoring deduplication %.2f)\n\n", 1908 static_cast<double>(managed_code_bytes) / 1909 static_cast<double>(dex_instruction_bytes), 1910 static_cast<double>(managed_code_bytes_ignoring_deduplication) / 1911 static_cast<double>(dex_instruction_bytes)) 1912 << std::flush; 1913 1914 DumpOutliers(os); 1915 } 1916 } stats_; 1917 1918 private: 1919 enum { 1920 // Number of bytes for a constructor to be considered large. Based on the 1000 basic block 1921 // threshold, we assume 2 bytes per instruction and 2 instructions per block. 1922 kLargeConstructorDexBytes = 4000, 1923 // Number of bytes for a method to be considered large. Based on the 4000 basic block 1924 // threshold, we assume 2 bytes per instruction and 2 instructions per block. 1925 kLargeMethodDexBytes = 16000 1926 }; 1927 std::ostream* os_; 1928 gc::space::ImageSpace& image_space_; 1929 const ImageHeader& image_header_; 1930 std::unique_ptr<OatDumper> oat_dumper_; 1931 std::unique_ptr<OatDumperOptions> oat_dumper_options_; 1932 1933 DISALLOW_COPY_AND_ASSIGN(ImageDumper); 1934}; 1935 1936static int DumpImage(Runtime* runtime, const char* image_location, OatDumperOptions* options, 1937 std::ostream* os) { 1938 // Dumping the image, no explicit class loader. 1939 NullHandle<mirror::ClassLoader> null_class_loader; 1940 options->class_loader_ = &null_class_loader; 1941 1942 ScopedObjectAccess soa(Thread::Current()); 1943 gc::Heap* heap = runtime->GetHeap(); 1944 gc::space::ImageSpace* image_space = heap->GetImageSpace(); 1945 CHECK(image_space != nullptr); 1946 const ImageHeader& image_header = image_space->GetImageHeader(); 1947 if (!image_header.IsValid()) { 1948 fprintf(stderr, "Invalid image header %s\n", image_location); 1949 return EXIT_FAILURE; 1950 } 1951 1952 ImageDumper image_dumper(os, *image_space, image_header, options); 1953 1954 bool success = image_dumper.Dump(); 1955 return (success) ? EXIT_SUCCESS : EXIT_FAILURE; 1956} 1957 1958static int DumpOatWithRuntime(Runtime* runtime, OatFile* oat_file, OatDumperOptions* options, 1959 std::ostream* os) { 1960 CHECK(runtime != nullptr && oat_file != nullptr && options != nullptr); 1961 1962 Thread* self = Thread::Current(); 1963 CHECK(self != nullptr); 1964 // Need well-known-classes. 1965 WellKnownClasses::Init(self->GetJniEnv()); 1966 1967 // Need to register dex files to get a working dex cache. 1968 ScopedObjectAccess soa(self); 1969 ClassLinker* class_linker = runtime->GetClassLinker(); 1970 class_linker->RegisterOatFile(oat_file); 1971 std::vector<const DexFile*> dex_files; 1972 for (const OatFile::OatDexFile* odf : oat_file->GetOatDexFiles()) { 1973 std::string error_msg; 1974 const DexFile* dex_file = odf->OpenDexFile(&error_msg); 1975 CHECK(dex_file != nullptr) << error_msg; 1976 class_linker->RegisterDexFile(*dex_file); 1977 dex_files.push_back(dex_file); 1978 } 1979 1980 // Need a class loader. 1981 soa.Env()->AllocObject(WellKnownClasses::dalvik_system_PathClassLoader); 1982 ScopedLocalRef<jobject> class_loader_local(soa.Env(), 1983 soa.Env()->AllocObject(WellKnownClasses::dalvik_system_PathClassLoader)); 1984 jobject class_loader = soa.Env()->NewGlobalRef(class_loader_local.get()); 1985 // Fake that we're a compiler. 1986 runtime->SetCompileTimeClassPath(class_loader, dex_files); 1987 1988 // Use the class loader while dumping. 1989 StackHandleScope<1> scope(self); 1990 Handle<mirror::ClassLoader> loader_handle = scope.NewHandle( 1991 soa.Decode<mirror::ClassLoader*>(class_loader)); 1992 options->class_loader_ = &loader_handle; 1993 1994 OatDumper oat_dumper(*oat_file, options); 1995 bool success = oat_dumper.Dump(*os); 1996 return (success) ? EXIT_SUCCESS : EXIT_FAILURE; 1997} 1998 1999static int DumpOatWithoutRuntime(OatFile* oat_file, OatDumperOptions* options, std::ostream* os) { 2000 // No image = no class loader. 2001 NullHandle<mirror::ClassLoader> null_class_loader; 2002 options->class_loader_ = &null_class_loader; 2003 2004 OatDumper oat_dumper(*oat_file, options); 2005 bool success = oat_dumper.Dump(*os); 2006 return (success) ? EXIT_SUCCESS : EXIT_FAILURE; 2007} 2008 2009static int DumpOat(Runtime* runtime, const char* oat_filename, OatDumperOptions* options, 2010 std::ostream* os) { 2011 std::string error_msg; 2012 OatFile* oat_file = OatFile::Open(oat_filename, oat_filename, nullptr, nullptr, false, 2013 &error_msg); 2014 if (oat_file == nullptr) { 2015 fprintf(stderr, "Failed to open oat file from '%s': %s\n", oat_filename, error_msg.c_str()); 2016 return EXIT_FAILURE; 2017 } 2018 2019 if (runtime != nullptr) { 2020 return DumpOatWithRuntime(runtime, oat_file, options, os); 2021 } else { 2022 return DumpOatWithoutRuntime(oat_file, options, os); 2023 } 2024} 2025 2026static int SymbolizeOat(const char* oat_filename, std::string& output_name) { 2027 std::string error_msg; 2028 OatFile* oat_file = OatFile::Open(oat_filename, oat_filename, nullptr, nullptr, false, 2029 &error_msg); 2030 if (oat_file == nullptr) { 2031 fprintf(stderr, "Failed to open oat file from '%s': %s\n", oat_filename, error_msg.c_str()); 2032 return EXIT_FAILURE; 2033 } 2034 2035 OatSymbolizer oat_symbolizer(oat_file, output_name); 2036 if (!oat_symbolizer.Init()) { 2037 fprintf(stderr, "Failed to initialize symbolizer\n"); 2038 return EXIT_FAILURE; 2039 } 2040 if (!oat_symbolizer.Symbolize()) { 2041 fprintf(stderr, "Failed to symbolize\n"); 2042 return EXIT_FAILURE; 2043 } 2044 2045 return EXIT_SUCCESS; 2046} 2047 2048struct OatdumpArgs : public CmdlineArgs { 2049 protected: 2050 using Base = CmdlineArgs; 2051 2052 virtual ParseStatus ParseCustom(const StringPiece& option, 2053 std::string* error_msg) OVERRIDE { 2054 { 2055 ParseStatus base_parse = Base::ParseCustom(option, error_msg); 2056 if (base_parse != kParseUnknownArgument) { 2057 return base_parse; 2058 } 2059 } 2060 2061 if (option.starts_with("--oat-file=")) { 2062 oat_filename_ = option.substr(strlen("--oat-file=")).data(); 2063 } else if (option.starts_with("--image=")) { 2064 image_location_ = option.substr(strlen("--image=")).data(); 2065 } else if (option =="--dump:raw_mapping_table") { 2066 dump_raw_mapping_table_ = true; 2067 } else if (option == "--dump:raw_gc_map") { 2068 dump_raw_gc_map_ = true; 2069 } else if (option == "--no-dump:vmap") { 2070 dump_vmap_ = false; 2071 } else if (option == "--no-disassemble") { 2072 disassemble_code_ = false; 2073 } else if (option.starts_with("--symbolize=")) { 2074 oat_filename_ = option.substr(strlen("--symbolize=")).data(); 2075 symbolize_ = true; 2076 } else if (option.starts_with("--method-filter=")) { 2077 method_filter_ = option.substr(strlen("--method-filter=")).data(); 2078 } else { 2079 return kParseUnknownArgument; 2080 } 2081 2082 return kParseOk; 2083 } 2084 2085 virtual ParseStatus ParseChecks(std::string* error_msg) OVERRIDE { 2086 // Infer boot image location from the image location if possible. 2087 if (boot_image_location_ == nullptr) { 2088 boot_image_location_ = image_location_; 2089 } 2090 2091 // Perform the parent checks. 2092 ParseStatus parent_checks = Base::ParseChecks(error_msg); 2093 if (parent_checks != kParseOk) { 2094 return parent_checks; 2095 } 2096 2097 // Perform our own checks. 2098 if (image_location_ == nullptr && oat_filename_ == nullptr) { 2099 *error_msg = "Either --image or --oat-file must be specified"; 2100 return kParseError; 2101 } else if (image_location_ != nullptr && oat_filename_ != nullptr) { 2102 *error_msg = "Either --image or --oat-file must be specified but not both"; 2103 return kParseError; 2104 } 2105 2106 return kParseOk; 2107 } 2108 2109 virtual std::string GetUsage() const { 2110 std::string usage; 2111 2112 usage += 2113 "Usage: oatdump [options] ...\n" 2114 " Example: oatdump --image=$ANDROID_PRODUCT_OUT/system/framework/boot.art\n" 2115 " Example: adb shell oatdump --image=/system/framework/boot.art\n" 2116 "\n" 2117 // Either oat-file or image is required. 2118 " --oat-file=<file.oat>: specifies an input oat filename.\n" 2119 " Example: --oat-file=/system/framework/boot.oat\n" 2120 "\n" 2121 " --image=<file.art>: specifies an input image location.\n" 2122 " Example: --image=/system/framework/boot.art\n" 2123 "\n"; 2124 2125 usage += Base::GetUsage(); 2126 2127 usage += // Optional. 2128 " --dump:raw_mapping_table enables dumping of the mapping table.\n" 2129 " Example: --dump:raw_mapping_table\n" 2130 "\n" 2131 " --dump:raw_mapping_table enables dumping of the GC map.\n" 2132 " Example: --dump:raw_gc_map\n" 2133 "\n" 2134 " --no-dump:vmap may be used to disable vmap dumping.\n" 2135 " Example: --no-dump:vmap\n" 2136 "\n" 2137 " --no-disassemble may be used to disable disassembly.\n" 2138 " Example: --no-disassemble\n" 2139 "\n" 2140 " --method-filter=<method name>: only dumps methods that contain the filter.\n" 2141 " Example: --method-filter=foo\n" 2142 "\n"; 2143 2144 return usage; 2145 } 2146 2147 public: 2148 const char* oat_filename_ = nullptr; 2149 const char* method_filter_ = ""; 2150 const char* image_location_ = nullptr; 2151 std::string elf_filename_prefix_; 2152 bool dump_raw_mapping_table_ = false; 2153 bool dump_raw_gc_map_ = false; 2154 bool dump_vmap_ = true; 2155 bool disassemble_code_ = true; 2156 bool symbolize_ = false; 2157}; 2158 2159struct OatdumpMain : public CmdlineMain<OatdumpArgs> { 2160 virtual bool NeedsRuntime() OVERRIDE { 2161 CHECK(args_ != nullptr); 2162 2163 // If we are only doing the oat file, disable absolute_addresses. Keep them for image dumping. 2164 bool absolute_addresses = (args_->oat_filename_ == nullptr); 2165 2166 oat_dumper_options_ = std::unique_ptr<OatDumperOptions>(new OatDumperOptions( 2167 args_->dump_raw_mapping_table_, 2168 args_->dump_raw_gc_map_, 2169 args_->dump_vmap_, 2170 args_->disassemble_code_, 2171 absolute_addresses, 2172 args_->method_filter_)); 2173 2174 return (args_->boot_image_location_ != nullptr || args_->image_location_ != nullptr) && 2175 !args_->symbolize_; 2176 } 2177 2178 virtual bool ExecuteWithoutRuntime() OVERRIDE { 2179 CHECK(args_ != nullptr); 2180 CHECK(args_->symbolize_); 2181 2182 MemMap::Init(); 2183 2184 return SymbolizeOat(args_->oat_filename_, args_->output_name_) == EXIT_SUCCESS; 2185 } 2186 2187 virtual bool ExecuteWithRuntime(Runtime* runtime) { 2188 CHECK(args_ != nullptr); 2189 2190 if (args_->oat_filename_ != nullptr) { 2191 return DumpOat(runtime, 2192 args_->oat_filename_, 2193 oat_dumper_options_.release(), 2194 args_->os_) == EXIT_SUCCESS; 2195 } 2196 2197 return DumpImage(runtime, args_->image_location_, oat_dumper_options_.release(), args_->os_) 2198 == EXIT_SUCCESS; 2199 } 2200 2201 std::unique_ptr<OatDumperOptions> oat_dumper_options_; 2202}; 2203 2204} // namespace art 2205 2206int main(int argc, char** argv) { 2207 art::OatdumpMain main; 2208 return main.Main(argc, argv); 2209} 2210