oatdump.cc revision 6f3dbbadf4ce66982eb3d400e0a74cb73eb034f3
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 <string> 23#include <unordered_map> 24#include <vector> 25 26#include "base/stringpiece.h" 27#include "base/unix_file/fd_file.h" 28#include "class_linker.h" 29#include "class_linker-inl.h" 30#include "dex_file-inl.h" 31#include "dex_instruction.h" 32#include "disassembler.h" 33#include "elf_builder.h" 34#include "field_helper.h" 35#include "gc_map.h" 36#include "gc/space/image_space.h" 37#include "gc/space/large_object_space.h" 38#include "gc/space/space-inl.h" 39#include "image.h" 40#include "indenter.h" 41#include "mapping_table.h" 42#include "mirror/art_field-inl.h" 43#include "mirror/art_method-inl.h" 44#include "mirror/array-inl.h" 45#include "mirror/class-inl.h" 46#include "mirror/object-inl.h" 47#include "mirror/object_array-inl.h" 48#include "noop_compiler_callbacks.h" 49#include "oat.h" 50#include "oat_file-inl.h" 51#include "os.h" 52#include "output_stream.h" 53#include "runtime.h" 54#include "safe_map.h" 55#include "scoped_thread_state_change.h" 56#include "ScopedLocalRef.h" 57#include "thread_list.h" 58#include "verifier/dex_gc_map.h" 59#include "verifier/method_verifier.h" 60#include "vmap_table.h" 61#include "well_known_classes.h" 62 63namespace art { 64 65static void usage() { 66 fprintf(stderr, 67 "Usage: oatdump [options] ...\n" 68 " Example: oatdump --image=$ANDROID_PRODUCT_OUT/system/framework/boot.art\n" 69 " Example: adb shell oatdump --image=/system/framework/boot.art\n" 70 "\n"); 71 fprintf(stderr, 72 " --oat-file=<file.oat>: specifies an input oat filename.\n" 73 " Example: --oat-file=/system/framework/boot.oat\n" 74 "\n"); 75 fprintf(stderr, 76 " --image=<file.art>: specifies an input image filename.\n" 77 " Example: --image=/system/framework/boot.art\n" 78 "\n"); 79 fprintf(stderr, 80 " --boot-image=<file.art>: provide the image file for the boot class path.\n" 81 " Example: --boot-image=/system/framework/boot.art\n" 82 "\n"); 83 fprintf(stderr, 84 " --instruction-set=(arm|arm64|mips|x86|x86_64): for locating the image\n" 85 " file based on the image location set.\n" 86 " Example: --instruction-set=x86\n" 87 " Default: %s\n" 88 "\n", 89 GetInstructionSetString(kRuntimeISA)); 90 fprintf(stderr, 91 " --output=<file> may be used to send the output to a file.\n" 92 " Example: --output=/tmp/oatdump.txt\n" 93 "\n"); 94 fprintf(stderr, 95 " --dump:raw_mapping_table enables dumping of the mapping table.\n" 96 " Example: --dump:raw_mapping_table\n" 97 "\n"); 98 fprintf(stderr, 99 " --dump:raw_mapping_table enables dumping of the GC map.\n" 100 " Example: --dump:raw_gc_map\n" 101 "\n"); 102 fprintf(stderr, 103 " --no-dump:vmap may be used to disable vmap dumping.\n" 104 " Example: --no-dump:vmap\n" 105 "\n"); 106 fprintf(stderr, 107 " --no-disassemble may be used to disable disassembly.\n" 108 " Example: --no-disassemble\n" 109 "\n"); 110} 111 112const char* image_roots_descriptions_[] = { 113 "kResolutionMethod", 114 "kImtConflictMethod", 115 "kDefaultImt", 116 "kCalleeSaveMethod", 117 "kRefsOnlySaveMethod", 118 "kRefsAndArgsSaveMethod", 119 "kDexCaches", 120 "kClassRoots", 121}; 122 123class OatSymbolizer FINAL : public CodeOutput { 124 public: 125 explicit OatSymbolizer(const OatFile* oat_file, const std::string& output_name) : 126 oat_file_(oat_file), builder_(nullptr), elf_output_(nullptr), 127 output_name_(output_name.empty() ? "symbolized.oat" : output_name) { 128 } 129 130 bool Init() { 131 Elf32_Word oat_data_size = oat_file_->GetOatHeader().GetExecutableOffset(); 132 133 uint32_t diff = static_cast<uint32_t>(oat_file_->End() - oat_file_->Begin()); 134 uint32_t oat_exec_size = diff - oat_data_size; 135 136 elf_output_ = OS::CreateEmptyFile(output_name_.c_str()); 137 138 builder_.reset(new ElfBuilder<Elf32_Word, Elf32_Sword, Elf32_Addr, Elf32_Dyn, 139 Elf32_Sym, Elf32_Ehdr, Elf32_Phdr, Elf32_Shdr>( 140 this, 141 elf_output_, 142 oat_file_->GetOatHeader().GetInstructionSet(), 143 0, 144 oat_data_size, 145 oat_data_size, 146 oat_exec_size, 147 true, 148 false)); 149 150 if (!builder_->Init()) { 151 builder_.reset(nullptr); 152 return false; 153 } 154 155 return true; 156 } 157 158 typedef void (OatSymbolizer::*Callback)(const DexFile::ClassDef&, 159 uint32_t, 160 const OatFile::OatMethod&, 161 const DexFile&, 162 uint32_t, 163 const DexFile::CodeItem*, 164 uint32_t); 165 166 bool Symbolize() { 167 if (builder_.get() == nullptr) { 168 return false; 169 } 170 171 Walk(&art::OatSymbolizer::RegisterForDedup); 172 173 NormalizeState(); 174 175 Walk(&art::OatSymbolizer::AddSymbol); 176 177 bool result = builder_->Write(); 178 179 elf_output_->Flush(); 180 elf_output_->Close(); 181 182 return result; 183 } 184 185 void Walk(Callback callback) { 186 std::vector<const OatFile::OatDexFile*> oat_dex_files = oat_file_->GetOatDexFiles(); 187 for (size_t i = 0; i < oat_dex_files.size(); i++) { 188 const OatFile::OatDexFile* oat_dex_file = oat_dex_files[i]; 189 CHECK(oat_dex_file != NULL); 190 WalkOatDexFile(oat_dex_file, callback); 191 } 192 } 193 194 void WalkOatDexFile(const OatFile::OatDexFile* oat_dex_file, Callback callback) { 195 std::string error_msg; 196 std::unique_ptr<const DexFile> dex_file(oat_dex_file->OpenDexFile(&error_msg)); 197 if (dex_file.get() == nullptr) { 198 return; 199 } 200 for (size_t class_def_index = 0; 201 class_def_index < dex_file->NumClassDefs(); 202 class_def_index++) { 203 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); 204 const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(class_def_index); 205 OatClassType type = oat_class.GetType(); 206 switch (type) { 207 case kOatClassAllCompiled: 208 case kOatClassSomeCompiled: 209 WalkOatClass(oat_class, *dex_file.get(), class_def, callback); 210 break; 211 212 case kOatClassNoneCompiled: 213 case kOatClassMax: 214 // Ignore. 215 break; 216 } 217 } 218 } 219 220 void WalkOatClass(const OatFile::OatClass& oat_class, const DexFile& dex_file, 221 const DexFile::ClassDef& class_def, Callback callback) { 222 const uint8_t* class_data = dex_file.GetClassData(class_def); 223 if (class_data == nullptr) { // empty class such as a marker interface? 224 return; 225 } 226 // Note: even if this is an interface or a native class, we still have to walk it, as there 227 // might be a static initializer. 228 ClassDataItemIterator it(dex_file, class_data); 229 SkipAllFields(&it); 230 uint32_t class_method_idx = 0; 231 while (it.HasNextDirectMethod()) { 232 const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_idx); 233 WalkOatMethod(class_def, class_method_idx, oat_method, dex_file, it.GetMemberIndex(), 234 it.GetMethodCodeItem(), it.GetMethodAccessFlags(), callback); 235 class_method_idx++; 236 it.Next(); 237 } 238 while (it.HasNextVirtualMethod()) { 239 const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_idx); 240 WalkOatMethod(class_def, class_method_idx, oat_method, dex_file, it.GetMemberIndex(), 241 it.GetMethodCodeItem(), it.GetMethodAccessFlags(), callback); 242 class_method_idx++; 243 it.Next(); 244 } 245 DCHECK(!it.HasNext()); 246 } 247 248 void WalkOatMethod(const DexFile::ClassDef& class_def, uint32_t class_method_index, 249 const OatFile::OatMethod& oat_method, const DexFile& dex_file, 250 uint32_t dex_method_idx, const DexFile::CodeItem* code_item, 251 uint32_t method_access_flags, Callback callback) { 252 if ((method_access_flags & kAccAbstract) != 0) { 253 // Abstract method, no code. 254 return; 255 } 256 if (oat_method.GetCodeOffset() == 0) { 257 // No code. 258 return; 259 } 260 261 (this->*callback)(class_def, class_method_index, oat_method, dex_file, dex_method_idx, code_item, 262 method_access_flags); 263 } 264 265 void RegisterForDedup(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) { 269 state_[oat_method.GetCodeOffset()]++; 270 } 271 272 void NormalizeState() { 273 for (auto& x : state_) { 274 if (x.second == 1) { 275 state_[x.first] = 0; 276 } 277 } 278 } 279 280 enum class DedupState { // private 281 kNotDeduplicated, 282 kDeduplicatedFirst, 283 kDeduplicatedOther 284 }; 285 DedupState IsDuplicated(uint32_t offset) { 286 if (state_[offset] == 0) { 287 return DedupState::kNotDeduplicated; 288 } 289 if (state_[offset] == 1) { 290 return DedupState::kDeduplicatedOther; 291 } 292 state_[offset] = 1; 293 return DedupState::kDeduplicatedFirst; 294 } 295 296 void AddSymbol(const DexFile::ClassDef& class_def, uint32_t class_method_index, 297 const OatFile::OatMethod& oat_method, const DexFile& dex_file, 298 uint32_t dex_method_idx, const DexFile::CodeItem* code_item, 299 uint32_t method_access_flags) { 300 DedupState dedup = IsDuplicated(oat_method.GetCodeOffset()); 301 if (dedup != DedupState::kDeduplicatedOther) { 302 std::string pretty_name = PrettyMethod(dex_method_idx, dex_file, true); 303 304 if (dedup == DedupState::kDeduplicatedFirst) { 305 pretty_name = "[Dedup]" + pretty_name; 306 } 307 308 ElfSymtabBuilder<Elf32_Word, Elf32_Sword, Elf32_Addr, 309 Elf32_Sym, Elf32_Shdr>* symtab = builder_->GetSymtabBuilder(); 310 311 symtab->AddSymbol(pretty_name, &builder_->GetTextBuilder(), 312 oat_method.GetCodeOffset() - oat_file_->GetOatHeader().GetExecutableOffset(), 313 true, oat_method.GetQuickCodeSize(), STB_GLOBAL, STT_FUNC); 314 } 315 } 316 317 // Set oat data offset. Required by ElfBuilder/CodeOutput. 318 void SetCodeOffset(size_t offset) { 319 // Nothing to do. 320 } 321 322 // Write oat code. Required by ElfBuilder/CodeOutput. 323 bool Write(OutputStream* out) { 324 return out->WriteFully(oat_file_->Begin(), oat_file_->End() - oat_file_->Begin()); 325 } 326 327 private: 328 static void SkipAllFields(ClassDataItemIterator* it) { 329 while (it->HasNextStaticField()) { 330 it->Next(); 331 } 332 while (it->HasNextInstanceField()) { 333 it->Next(); 334 } 335 } 336 337 const OatFile* oat_file_; 338 std::unique_ptr<ElfBuilder<Elf32_Word, Elf32_Sword, Elf32_Addr, Elf32_Dyn, 339 Elf32_Sym, Elf32_Ehdr, Elf32_Phdr, Elf32_Shdr> > builder_; 340 File* elf_output_; 341 std::unordered_map<uint32_t, uint32_t> state_; 342 const std::string output_name_; 343}; 344 345class OatDumperOptions { 346 public: 347 OatDumperOptions(bool dump_raw_mapping_table, 348 bool dump_raw_gc_map, 349 bool dump_vmap, 350 bool disassemble_code, 351 bool absolute_addresses, 352 Handle<mirror::ClassLoader>* class_loader) 353 : dump_raw_mapping_table_(dump_raw_mapping_table), 354 dump_raw_gc_map_(dump_raw_gc_map), 355 dump_vmap_(dump_vmap), 356 disassemble_code_(disassemble_code), 357 absolute_addresses_(absolute_addresses), 358 class_loader_(class_loader) {} 359 360 const bool dump_raw_mapping_table_; 361 const bool dump_raw_gc_map_; 362 const bool dump_vmap_; 363 const bool disassemble_code_; 364 const bool absolute_addresses_; 365 Handle<mirror::ClassLoader>* class_loader_; 366}; 367 368class OatDumper { 369 public: 370 explicit OatDumper(const OatFile& oat_file, OatDumperOptions* options) 371 : oat_file_(oat_file), 372 oat_dex_files_(oat_file.GetOatDexFiles()), 373 options_(options), 374 disassembler_(Disassembler::Create(oat_file_.GetOatHeader().GetInstructionSet(), 375 new DisassemblerOptions(options_->absolute_addresses_, 376 oat_file.Begin()))) { 377 CHECK(options_->class_loader_ != nullptr); 378 AddAllOffsets(); 379 } 380 381 ~OatDumper() { 382 delete options_; 383 delete disassembler_; 384 } 385 386 bool Dump(std::ostream& os) { 387 bool success = true; 388 const OatHeader& oat_header = oat_file_.GetOatHeader(); 389 390 os << "MAGIC:\n"; 391 os << oat_header.GetMagic() << "\n\n"; 392 393 os << "CHECKSUM:\n"; 394 os << StringPrintf("0x%08x\n\n", oat_header.GetChecksum()); 395 396 os << "INSTRUCTION SET:\n"; 397 os << oat_header.GetInstructionSet() << "\n\n"; 398 399 { 400 std::unique_ptr<const InstructionSetFeatures> features( 401 InstructionSetFeatures::FromBitmap(oat_header.GetInstructionSet(), 402 oat_header.GetInstructionSetFeaturesBitmap())); 403 os << "INSTRUCTION SET FEATURES:\n"; 404 os << features->GetFeatureString() << "\n\n"; 405 } 406 407 os << "DEX FILE COUNT:\n"; 408 os << oat_header.GetDexFileCount() << "\n\n"; 409 410#define DUMP_OAT_HEADER_OFFSET(label, offset) \ 411 os << label " OFFSET:\n"; \ 412 os << StringPrintf("0x%08x", oat_header.offset()); \ 413 if (oat_header.offset() != 0 && options_->absolute_addresses_) { \ 414 os << StringPrintf(" (%p)", oat_file_.Begin() + oat_header.offset()); \ 415 } \ 416 os << StringPrintf("\n\n"); 417 418 DUMP_OAT_HEADER_OFFSET("EXECUTABLE", GetExecutableOffset); 419 DUMP_OAT_HEADER_OFFSET("INTERPRETER TO INTERPRETER BRIDGE", 420 GetInterpreterToInterpreterBridgeOffset); 421 DUMP_OAT_HEADER_OFFSET("INTERPRETER TO COMPILED CODE BRIDGE", 422 GetInterpreterToCompiledCodeBridgeOffset); 423 DUMP_OAT_HEADER_OFFSET("JNI DLSYM LOOKUP", 424 GetJniDlsymLookupOffset); 425 DUMP_OAT_HEADER_OFFSET("PORTABLE IMT CONFLICT TRAMPOLINE", 426 GetPortableImtConflictTrampolineOffset); 427 DUMP_OAT_HEADER_OFFSET("PORTABLE RESOLUTION TRAMPOLINE", 428 GetPortableResolutionTrampolineOffset); 429 DUMP_OAT_HEADER_OFFSET("PORTABLE TO INTERPRETER BRIDGE", 430 GetPortableToInterpreterBridgeOffset); 431 DUMP_OAT_HEADER_OFFSET("QUICK GENERIC JNI TRAMPOLINE", 432 GetQuickGenericJniTrampolineOffset); 433 DUMP_OAT_HEADER_OFFSET("QUICK IMT CONFLICT TRAMPOLINE", 434 GetQuickImtConflictTrampolineOffset); 435 DUMP_OAT_HEADER_OFFSET("QUICK RESOLUTION TRAMPOLINE", 436 GetQuickResolutionTrampolineOffset); 437 DUMP_OAT_HEADER_OFFSET("QUICK TO INTERPRETER BRIDGE", 438 GetQuickToInterpreterBridgeOffset); 439#undef DUMP_OAT_HEADER_OFFSET 440 441 os << "IMAGE PATCH DELTA:\n"; 442 os << StringPrintf("%d (0x%08x)\n\n", 443 oat_header.GetImagePatchDelta(), 444 oat_header.GetImagePatchDelta()); 445 446 os << "IMAGE FILE LOCATION OAT CHECKSUM:\n"; 447 os << StringPrintf("0x%08x\n\n", oat_header.GetImageFileLocationOatChecksum()); 448 449 os << "IMAGE FILE LOCATION OAT BEGIN:\n"; 450 os << StringPrintf("0x%08x\n\n", oat_header.GetImageFileLocationOatDataBegin()); 451 452 // Print the key-value store. 453 { 454 os << "KEY VALUE STORE:\n"; 455 size_t index = 0; 456 const char* key; 457 const char* value; 458 while (oat_header.GetStoreKeyValuePairByIndex(index, &key, &value)) { 459 os << key << " = " << value << "\n"; 460 index++; 461 } 462 os << "\n"; 463 } 464 465 if (options_->absolute_addresses_) { 466 os << "BEGIN:\n"; 467 os << reinterpret_cast<const void*>(oat_file_.Begin()) << "\n\n"; 468 469 os << "END:\n"; 470 os << reinterpret_cast<const void*>(oat_file_.End()) << "\n\n"; 471 } 472 473 os << "SIZE:\n"; 474 os << oat_file_.Size() << "\n\n"; 475 476 os << std::flush; 477 478 for (size_t i = 0; i < oat_dex_files_.size(); i++) { 479 const OatFile::OatDexFile* oat_dex_file = oat_dex_files_[i]; 480 CHECK(oat_dex_file != nullptr); 481 if (!DumpOatDexFile(os, *oat_dex_file)) { 482 success = false; 483 } 484 } 485 os << std::flush; 486 return success; 487 } 488 489 size_t ComputeSize(const void* oat_data) { 490 if (reinterpret_cast<const uint8_t*>(oat_data) < oat_file_.Begin() || 491 reinterpret_cast<const uint8_t*>(oat_data) > oat_file_.End()) { 492 return 0; // Address not in oat file 493 } 494 uintptr_t begin_offset = reinterpret_cast<uintptr_t>(oat_data) - 495 reinterpret_cast<uintptr_t>(oat_file_.Begin()); 496 auto it = offsets_.upper_bound(begin_offset); 497 CHECK(it != offsets_.end()); 498 uintptr_t end_offset = *it; 499 return end_offset - begin_offset; 500 } 501 502 InstructionSet GetInstructionSet() { 503 return oat_file_.GetOatHeader().GetInstructionSet(); 504 } 505 506 const void* GetQuickOatCode(mirror::ArtMethod* m) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 507 for (size_t i = 0; i < oat_dex_files_.size(); i++) { 508 const OatFile::OatDexFile* oat_dex_file = oat_dex_files_[i]; 509 CHECK(oat_dex_file != nullptr); 510 std::string error_msg; 511 std::unique_ptr<const DexFile> dex_file(oat_dex_file->OpenDexFile(&error_msg)); 512 if (dex_file.get() == nullptr) { 513 LOG(WARNING) << "Failed to open dex file '" << oat_dex_file->GetDexFileLocation() 514 << "': " << error_msg; 515 } else { 516 const DexFile::ClassDef* class_def = 517 dex_file->FindClassDef(m->GetDeclaringClassDescriptor()); 518 if (class_def != nullptr) { 519 uint16_t class_def_index = dex_file->GetIndexForClassDef(*class_def); 520 const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(class_def_index); 521 size_t method_index = m->GetMethodIndex(); 522 return oat_class.GetOatMethod(method_index).GetQuickCode(); 523 } 524 } 525 } 526 return nullptr; 527 } 528 529 private: 530 void AddAllOffsets() { 531 // We don't know the length of the code for each method, but we need to know where to stop 532 // when disassembling. What we do know is that a region of code will be followed by some other 533 // region, so if we keep a sorted sequence of the start of each region, we can infer the length 534 // of a piece of code by using upper_bound to find the start of the next region. 535 for (size_t i = 0; i < oat_dex_files_.size(); i++) { 536 const OatFile::OatDexFile* oat_dex_file = oat_dex_files_[i]; 537 CHECK(oat_dex_file != nullptr); 538 std::string error_msg; 539 std::unique_ptr<const DexFile> dex_file(oat_dex_file->OpenDexFile(&error_msg)); 540 if (dex_file.get() == nullptr) { 541 LOG(WARNING) << "Failed to open dex file '" << oat_dex_file->GetDexFileLocation() 542 << "': " << error_msg; 543 continue; 544 } 545 offsets_.insert(reinterpret_cast<uintptr_t>(&dex_file->GetHeader())); 546 for (size_t class_def_index = 0; 547 class_def_index < dex_file->NumClassDefs(); 548 class_def_index++) { 549 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); 550 const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(class_def_index); 551 const uint8_t* class_data = dex_file->GetClassData(class_def); 552 if (class_data != nullptr) { 553 ClassDataItemIterator it(*dex_file, class_data); 554 SkipAllFields(it); 555 uint32_t class_method_index = 0; 556 while (it.HasNextDirectMethod()) { 557 AddOffsets(oat_class.GetOatMethod(class_method_index++)); 558 it.Next(); 559 } 560 while (it.HasNextVirtualMethod()) { 561 AddOffsets(oat_class.GetOatMethod(class_method_index++)); 562 it.Next(); 563 } 564 } 565 } 566 } 567 568 // If the last thing in the file is code for a method, there won't be an offset for the "next" 569 // thing. Instead of having a special case in the upper_bound code, let's just add an entry 570 // for the end of the file. 571 offsets_.insert(oat_file_.Size()); 572 } 573 574 static uint32_t AlignCodeOffset(uint32_t maybe_thumb_offset) { 575 return maybe_thumb_offset & ~0x1; // TODO: Make this Thumb2 specific. 576 } 577 578 void AddOffsets(const OatFile::OatMethod& oat_method) { 579 uint32_t code_offset = oat_method.GetCodeOffset(); 580 if (oat_file_.GetOatHeader().GetInstructionSet() == kThumb2) { 581 code_offset &= ~0x1; 582 } 583 offsets_.insert(code_offset); 584 offsets_.insert(oat_method.GetMappingTableOffset()); 585 offsets_.insert(oat_method.GetVmapTableOffset()); 586 offsets_.insert(oat_method.GetNativeGcMapOffset()); 587 } 588 589 bool DumpOatDexFile(std::ostream& os, const OatFile::OatDexFile& oat_dex_file) { 590 bool success = true; 591 os << "OatDexFile:\n"; 592 os << StringPrintf("location: %s\n", oat_dex_file.GetDexFileLocation().c_str()); 593 os << StringPrintf("checksum: 0x%08x\n", oat_dex_file.GetDexFileLocationChecksum()); 594 595 // Create the verifier early. 596 597 std::string error_msg; 598 std::unique_ptr<const DexFile> dex_file(oat_dex_file.OpenDexFile(&error_msg)); 599 if (dex_file.get() == nullptr) { 600 os << "NOT FOUND: " << error_msg << "\n\n"; 601 os << std::flush; 602 return false; 603 } 604 for (size_t class_def_index = 0; 605 class_def_index < dex_file->NumClassDefs(); 606 class_def_index++) { 607 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); 608 const char* descriptor = dex_file->GetClassDescriptor(class_def); 609 uint32_t oat_class_offset = oat_dex_file.GetOatClassOffset(class_def_index); 610 const OatFile::OatClass oat_class = oat_dex_file.GetOatClass(class_def_index); 611 os << StringPrintf("%zd: %s (offset=0x%08x) (type_idx=%d)", 612 class_def_index, descriptor, oat_class_offset, class_def.class_idx_) 613 << " (" << oat_class.GetStatus() << ")" 614 << " (" << oat_class.GetType() << ")\n"; 615 // TODO: include bitmap here if type is kOatClassSomeCompiled? 616 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 617 std::ostream indented_os(&indent_filter); 618 if (!DumpOatClass(indented_os, oat_class, *(dex_file.get()), class_def)) { 619 success = false; 620 } 621 } 622 623 os << std::flush; 624 return success; 625 } 626 627 static void SkipAllFields(ClassDataItemIterator& it) { 628 while (it.HasNextStaticField()) { 629 it.Next(); 630 } 631 while (it.HasNextInstanceField()) { 632 it.Next(); 633 } 634 } 635 636 bool DumpOatClass(std::ostream& os, const OatFile::OatClass& oat_class, const DexFile& dex_file, 637 const DexFile::ClassDef& class_def) { 638 bool success = true; 639 const uint8_t* class_data = dex_file.GetClassData(class_def); 640 if (class_data == nullptr) { // empty class such as a marker interface? 641 os << std::flush; 642 return success; 643 } 644 ClassDataItemIterator it(dex_file, class_data); 645 SkipAllFields(it); 646 uint32_t class_method_index = 0; 647 while (it.HasNextDirectMethod()) { 648 if (!DumpOatMethod(os, class_def, class_method_index, oat_class, dex_file, 649 it.GetMemberIndex(), it.GetMethodCodeItem(), 650 it.GetRawMemberAccessFlags())) { 651 success = false; 652 } 653 class_method_index++; 654 it.Next(); 655 } 656 while (it.HasNextVirtualMethod()) { 657 if (!DumpOatMethod(os, class_def, class_method_index, oat_class, dex_file, 658 it.GetMemberIndex(), it.GetMethodCodeItem(), 659 it.GetRawMemberAccessFlags())) { 660 success = false; 661 } 662 class_method_index++; 663 it.Next(); 664 } 665 DCHECK(!it.HasNext()); 666 os << std::flush; 667 return success; 668 } 669 670 static constexpr uint32_t kPrologueBytes = 16; 671 672 // When this was picked, the largest arm method was 55,256 bytes and arm64 was 50,412 bytes. 673 static constexpr uint32_t kMaxCodeSize = 100 * 1000; 674 675 bool DumpOatMethod(std::ostream& os, const DexFile::ClassDef& class_def, 676 uint32_t class_method_index, 677 const OatFile::OatClass& oat_class, const DexFile& dex_file, 678 uint32_t dex_method_idx, const DexFile::CodeItem* code_item, 679 uint32_t method_access_flags) { 680 bool success = true; 681 os << StringPrintf("%d: %s (dex_method_idx=%d)\n", 682 class_method_index, PrettyMethod(dex_method_idx, dex_file, true).c_str(), 683 dex_method_idx); 684 Indenter indent1_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 685 std::unique_ptr<std::ostream> indent1_os(new std::ostream(&indent1_filter)); 686 Indenter indent2_filter(indent1_os->rdbuf(), kIndentChar, kIndentBy1Count); 687 std::unique_ptr<std::ostream> indent2_os(new std::ostream(&indent2_filter)); 688 { 689 *indent1_os << "DEX CODE:\n"; 690 DumpDexCode(*indent2_os, dex_file, code_item); 691 } 692 693 std::unique_ptr<verifier::MethodVerifier> verifier; 694 if (Runtime::Current() != nullptr) { 695 *indent1_os << "VERIFIER TYPE ANALYSIS:\n"; 696 verifier.reset(DumpVerifier(*indent2_os, dex_method_idx, &dex_file, class_def, code_item, 697 method_access_flags)); 698 } 699 700 uint32_t oat_method_offsets_offset = oat_class.GetOatMethodOffsetsOffset(class_method_index); 701 const OatMethodOffsets* oat_method_offsets = oat_class.GetOatMethodOffsets(class_method_index); 702 const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_index); 703 { 704 *indent1_os << "OatMethodOffsets "; 705 if (options_->absolute_addresses_) { 706 *indent1_os << StringPrintf("%p ", oat_method_offsets); 707 } 708 *indent1_os << StringPrintf("(offset=0x%08x)\n", oat_method_offsets_offset); 709 if (oat_method_offsets_offset > oat_file_.Size()) { 710 *indent1_os << StringPrintf( 711 "WARNING: oat method offsets offset 0x%08x is past end of file 0x%08zx.\n", 712 oat_method_offsets_offset, oat_file_.Size()); 713 // If we can't read OatMethodOffsets, the rest of the data is dangerous to read. 714 os << std::flush; 715 return false; 716 } 717 718 uint32_t code_offset = oat_method.GetCodeOffset(); 719 *indent2_os << StringPrintf("code_offset: 0x%08x ", code_offset); 720 uint32_t aligned_code_begin = AlignCodeOffset(oat_method.GetCodeOffset()); 721 if (aligned_code_begin > oat_file_.Size()) { 722 *indent2_os << StringPrintf("WARNING: " 723 "code offset 0x%08x is past end of file 0x%08zx.\n", 724 aligned_code_begin, oat_file_.Size()); 725 success = false; 726 } 727 *indent2_os << "\n"; 728 729 *indent2_os << "gc_map: "; 730 if (options_->absolute_addresses_) { 731 *indent2_os << StringPrintf("%p ", oat_method.GetNativeGcMap()); 732 } 733 uint32_t gc_map_offset = oat_method.GetNativeGcMapOffset(); 734 *indent2_os << StringPrintf("(offset=0x%08x)\n", gc_map_offset); 735 if (gc_map_offset > oat_file_.Size()) { 736 *indent2_os << StringPrintf("WARNING: " 737 "gc map table offset 0x%08x is past end of file 0x%08zx.\n", 738 gc_map_offset, oat_file_.Size()); 739 success = false; 740 } else if (options_->dump_raw_gc_map_) { 741 Indenter indent3_filter(indent2_os->rdbuf(), kIndentChar, kIndentBy1Count); 742 std::ostream indent3_os(&indent3_filter); 743 DumpGcMap(indent3_os, oat_method, code_item); 744 } 745 } 746 { 747 *indent1_os << "OatQuickMethodHeader "; 748 uint32_t method_header_offset = oat_method.GetOatQuickMethodHeaderOffset(); 749 const OatQuickMethodHeader* method_header = oat_method.GetOatQuickMethodHeader(); 750 751 if (options_->absolute_addresses_) { 752 *indent1_os << StringPrintf("%p ", method_header); 753 } 754 *indent1_os << StringPrintf("(offset=0x%08x)\n", method_header_offset); 755 if (method_header_offset > oat_file_.Size()) { 756 *indent1_os << StringPrintf( 757 "WARNING: oat quick method header offset 0x%08x is past end of file 0x%08zx.\n", 758 method_header_offset, oat_file_.Size()); 759 // If we can't read the OatQuickMethodHeader, the rest of the data is dangerous to read. 760 os << std::flush; 761 return false; 762 } 763 764 *indent2_os << "mapping_table: "; 765 if (options_->absolute_addresses_) { 766 *indent2_os << StringPrintf("%p ", oat_method.GetMappingTable()); 767 } 768 uint32_t mapping_table_offset = oat_method.GetMappingTableOffset(); 769 *indent2_os << StringPrintf("(offset=0x%08x)\n", oat_method.GetMappingTableOffset()); 770 if (mapping_table_offset > oat_file_.Size()) { 771 *indent2_os << StringPrintf("WARNING: " 772 "mapping table offset 0x%08x is past end of file 0x%08zx. " 773 "mapping table offset was loaded from offset 0x%08x.\n", 774 mapping_table_offset, oat_file_.Size(), 775 oat_method.GetMappingTableOffsetOffset()); 776 success = false; 777 } else if (options_->dump_raw_mapping_table_) { 778 Indenter indent3_filter(indent2_os->rdbuf(), kIndentChar, kIndentBy1Count); 779 std::ostream indent3_os(&indent3_filter); 780 DumpMappingTable(indent3_os, oat_method); 781 } 782 783 *indent2_os << "vmap_table: "; 784 if (options_->absolute_addresses_) { 785 *indent2_os << StringPrintf("%p ", oat_method.GetVmapTable()); 786 } 787 uint32_t vmap_table_offset = oat_method.GetVmapTableOffset(); 788 *indent2_os << StringPrintf("(offset=0x%08x)\n", vmap_table_offset); 789 if (vmap_table_offset > oat_file_.Size()) { 790 *indent2_os << StringPrintf("WARNING: " 791 "vmap table offset 0x%08x is past end of file 0x%08zx. " 792 "vmap table offset was loaded from offset 0x%08x.\n", 793 vmap_table_offset, oat_file_.Size(), 794 oat_method.GetVmapTableOffsetOffset()); 795 success = false; 796 } else if (options_->dump_vmap_) { 797 DumpVmap(*indent2_os, oat_method); 798 } 799 } 800 { 801 *indent1_os << "QuickMethodFrameInfo\n"; 802 803 *indent2_os << StringPrintf("frame_size_in_bytes: %zd\n", oat_method.GetFrameSizeInBytes()); 804 *indent2_os << StringPrintf("core_spill_mask: 0x%08x ", oat_method.GetCoreSpillMask()); 805 DumpSpillMask(*indent2_os, oat_method.GetCoreSpillMask(), false); 806 *indent2_os << "\n"; 807 *indent2_os << StringPrintf("fp_spill_mask: 0x%08x ", oat_method.GetFpSpillMask()); 808 DumpSpillMask(*indent2_os, oat_method.GetFpSpillMask(), true); 809 *indent2_os << "\n"; 810 } 811 { 812 // Based on spill masks from QuickMethodFrameInfo so placed 813 // after it is dumped, but useful for understanding quick 814 // code, so dumped here. 815 DumpVregLocations(*indent2_os, oat_method, code_item); 816 } 817 { 818 *indent1_os << "CODE: "; 819 uint32_t code_size_offset = oat_method.GetQuickCodeSizeOffset(); 820 if (code_size_offset > oat_file_.Size()) { 821 *indent2_os << StringPrintf("WARNING: " 822 "code size offset 0x%08x is past end of file 0x%08zx.", 823 code_size_offset, oat_file_.Size()); 824 success = false; 825 } else { 826 const void* code = oat_method.GetQuickCode(); 827 uint32_t code_size = oat_method.GetQuickCodeSize(); 828 if (code == nullptr) { 829 code = oat_method.GetPortableCode(); 830 code_size = oat_method.GetPortableCodeSize(); 831 code_size_offset = 0; 832 } 833 uint32_t code_offset = oat_method.GetCodeOffset(); 834 uint32_t aligned_code_begin = AlignCodeOffset(code_offset); 835 uint64_t aligned_code_end = aligned_code_begin + code_size; 836 837 if (options_->absolute_addresses_) { 838 *indent1_os << StringPrintf("%p ", code); 839 } 840 *indent1_os << StringPrintf("(code_offset=0x%08x size_offset=0x%08x size=%u)%s\n", 841 code_offset, 842 code_size_offset, 843 code_size, 844 code != nullptr ? "..." : ""); 845 846 if (aligned_code_begin > oat_file_.Size()) { 847 *indent2_os << StringPrintf("WARNING: " 848 "start of code at 0x%08x is past end of file 0x%08zx.", 849 aligned_code_begin, oat_file_.Size()); 850 success = false; 851 } else if (aligned_code_end > oat_file_.Size()) { 852 *indent2_os << StringPrintf("WARNING: " 853 "end of code at 0x%08" PRIx64 " is past end of file 0x%08zx. " 854 "code size is 0x%08x loaded from offset 0x%08x.\n", 855 aligned_code_end, oat_file_.Size(), 856 code_size, code_size_offset); 857 success = false; 858 if (options_->disassemble_code_) { 859 if (code_size_offset + kPrologueBytes <= oat_file_.Size()) { 860 DumpCode(*indent2_os, verifier.get(), oat_method, code_item, true, kPrologueBytes); 861 } 862 } 863 } else if (code_size > kMaxCodeSize) { 864 *indent2_os << StringPrintf("WARNING: " 865 "code size %d is bigger than max expected threshold of %d. " 866 "code size is 0x%08x loaded from offset 0x%08x.\n", 867 code_size, kMaxCodeSize, 868 code_size, code_size_offset); 869 success = false; 870 if (options_->disassemble_code_) { 871 if (code_size_offset + kPrologueBytes <= oat_file_.Size()) { 872 DumpCode(*indent2_os, verifier.get(), oat_method, code_item, true, kPrologueBytes); 873 } 874 } 875 } else if (options_->disassemble_code_) { 876 DumpCode(*indent2_os, verifier.get(), oat_method, code_item, !success, 0); 877 } 878 } 879 } 880 os << std::flush; 881 return success; 882 } 883 884 void DumpSpillMask(std::ostream& os, uint32_t spill_mask, bool is_float) { 885 if (spill_mask == 0) { 886 return; 887 } 888 os << "("; 889 for (size_t i = 0; i < 32; i++) { 890 if ((spill_mask & (1 << i)) != 0) { 891 if (is_float) { 892 os << "fr" << i; 893 } else { 894 os << "r" << i; 895 } 896 spill_mask ^= 1 << i; // clear bit 897 if (spill_mask != 0) { 898 os << ", "; 899 } else { 900 break; 901 } 902 } 903 } 904 os << ")"; 905 } 906 907 void DumpVmap(std::ostream& os, const OatFile::OatMethod& oat_method) { 908 // If the native GC map is null, then this method has been compiled with the 909 // optimizing compiler. The optimizing compiler currently outputs its stack map 910 // in the vmap table, and the code below does not work with such a stack map. 911 if (oat_method.GetNativeGcMap() == nullptr) { 912 return; 913 } 914 const uint8_t* raw_table = oat_method.GetVmapTable(); 915 if (raw_table != nullptr) { 916 const VmapTable vmap_table(raw_table); 917 bool first = true; 918 bool processing_fp = false; 919 uint32_t spill_mask = oat_method.GetCoreSpillMask(); 920 for (size_t i = 0; i < vmap_table.Size(); i++) { 921 uint16_t dex_reg = vmap_table[i]; 922 uint32_t cpu_reg = vmap_table.ComputeRegister(spill_mask, i, 923 processing_fp ? kFloatVReg : kIntVReg); 924 os << (first ? "v" : ", v") << dex_reg; 925 if (!processing_fp) { 926 os << "/r" << cpu_reg; 927 } else { 928 os << "/fr" << cpu_reg; 929 } 930 first = false; 931 if (!processing_fp && dex_reg == 0xFFFF) { 932 processing_fp = true; 933 spill_mask = oat_method.GetFpSpillMask(); 934 } 935 } 936 os << "\n"; 937 } 938 } 939 940 void DumpVregLocations(std::ostream& os, const OatFile::OatMethod& oat_method, 941 const DexFile::CodeItem* code_item) { 942 if (code_item != nullptr) { 943 size_t num_locals_ins = code_item->registers_size_; 944 size_t num_ins = code_item->ins_size_; 945 size_t num_locals = num_locals_ins - num_ins; 946 size_t num_outs = code_item->outs_size_; 947 948 os << "vr_stack_locations:"; 949 for (size_t reg = 0; reg <= num_locals_ins; reg++) { 950 // For readability, delimit the different kinds of VRs. 951 if (reg == num_locals_ins) { 952 os << "\n\tmethod*:"; 953 } else if (reg == num_locals && num_ins > 0) { 954 os << "\n\tins:"; 955 } else if (reg == 0 && num_locals > 0) { 956 os << "\n\tlocals:"; 957 } 958 959 uint32_t offset = StackVisitor::GetVRegOffset(code_item, oat_method.GetCoreSpillMask(), 960 oat_method.GetFpSpillMask(), 961 oat_method.GetFrameSizeInBytes(), reg, 962 GetInstructionSet()); 963 os << " v" << reg << "[sp + #" << offset << "]"; 964 } 965 966 for (size_t out_reg = 0; out_reg < num_outs; out_reg++) { 967 if (out_reg == 0) { 968 os << "\n\touts:"; 969 } 970 971 uint32_t offset = StackVisitor::GetOutVROffset(out_reg, GetInstructionSet()); 972 os << " v" << out_reg << "[sp + #" << offset << "]"; 973 } 974 975 os << "\n"; 976 } 977 } 978 979 void DescribeVReg(std::ostream& os, const OatFile::OatMethod& oat_method, 980 const DexFile::CodeItem* code_item, size_t reg, VRegKind kind) { 981 const uint8_t* raw_table = oat_method.GetVmapTable(); 982 if (raw_table != nullptr) { 983 const VmapTable vmap_table(raw_table); 984 uint32_t vmap_offset; 985 if (vmap_table.IsInContext(reg, kind, &vmap_offset)) { 986 bool is_float = (kind == kFloatVReg) || (kind == kDoubleLoVReg) || (kind == kDoubleHiVReg); 987 uint32_t spill_mask = is_float ? oat_method.GetFpSpillMask() 988 : oat_method.GetCoreSpillMask(); 989 os << (is_float ? "fr" : "r") << vmap_table.ComputeRegister(spill_mask, vmap_offset, kind); 990 } else { 991 uint32_t offset = StackVisitor::GetVRegOffset(code_item, oat_method.GetCoreSpillMask(), 992 oat_method.GetFpSpillMask(), 993 oat_method.GetFrameSizeInBytes(), reg, 994 GetInstructionSet()); 995 os << "[sp + #" << offset << "]"; 996 } 997 } 998 } 999 1000 void DumpGcMapRegisters(std::ostream& os, const OatFile::OatMethod& oat_method, 1001 const DexFile::CodeItem* code_item, 1002 size_t num_regs, const uint8_t* reg_bitmap) { 1003 bool first = true; 1004 for (size_t reg = 0; reg < num_regs; reg++) { 1005 if (((reg_bitmap[reg / 8] >> (reg % 8)) & 0x01) != 0) { 1006 if (first) { 1007 os << " v" << reg << " ("; 1008 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 1009 os << ")"; 1010 first = false; 1011 } else { 1012 os << ", v" << reg << " ("; 1013 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 1014 os << ")"; 1015 } 1016 } 1017 } 1018 if (first) { 1019 os << "No registers in GC map\n"; 1020 } else { 1021 os << "\n"; 1022 } 1023 } 1024 void DumpGcMap(std::ostream& os, const OatFile::OatMethod& oat_method, 1025 const DexFile::CodeItem* code_item) { 1026 const uint8_t* gc_map_raw = oat_method.GetNativeGcMap(); 1027 if (gc_map_raw == nullptr) { 1028 return; // No GC map. 1029 } 1030 const void* quick_code = oat_method.GetQuickCode(); 1031 if (quick_code != nullptr) { 1032 NativePcOffsetToReferenceMap map(gc_map_raw); 1033 for (size_t entry = 0; entry < map.NumEntries(); entry++) { 1034 const uint8_t* native_pc = reinterpret_cast<const uint8_t*>(quick_code) + 1035 map.GetNativePcOffset(entry); 1036 os << StringPrintf("%p", native_pc); 1037 DumpGcMapRegisters(os, oat_method, code_item, map.RegWidth() * 8, map.GetBitMap(entry)); 1038 } 1039 } else { 1040 const void* portable_code = oat_method.GetPortableCode(); 1041 CHECK(portable_code != nullptr); 1042 verifier::DexPcToReferenceMap map(gc_map_raw); 1043 for (size_t entry = 0; entry < map.NumEntries(); entry++) { 1044 uint32_t dex_pc = map.GetDexPc(entry); 1045 os << StringPrintf("0x%08x", dex_pc); 1046 DumpGcMapRegisters(os, oat_method, code_item, map.RegWidth() * 8, map.GetBitMap(entry)); 1047 } 1048 } 1049 } 1050 1051 void DumpMappingTable(std::ostream& os, const OatFile::OatMethod& oat_method) { 1052 const void* quick_code = oat_method.GetQuickCode(); 1053 if (quick_code == nullptr) { 1054 return; 1055 } 1056 MappingTable table(oat_method.GetMappingTable()); 1057 if (table.TotalSize() != 0) { 1058 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 1059 std::ostream indent_os(&indent_filter); 1060 if (table.PcToDexSize() != 0) { 1061 typedef MappingTable::PcToDexIterator It; 1062 os << "suspend point mappings {\n"; 1063 for (It cur = table.PcToDexBegin(), end = table.PcToDexEnd(); cur != end; ++cur) { 1064 indent_os << StringPrintf("0x%04x -> 0x%04x\n", cur.NativePcOffset(), cur.DexPc()); 1065 } 1066 os << "}\n"; 1067 } 1068 if (table.DexToPcSize() != 0) { 1069 typedef MappingTable::DexToPcIterator It; 1070 os << "catch entry mappings {\n"; 1071 for (It cur = table.DexToPcBegin(), end = table.DexToPcEnd(); cur != end; ++cur) { 1072 indent_os << StringPrintf("0x%04x -> 0x%04x\n", cur.NativePcOffset(), cur.DexPc()); 1073 } 1074 os << "}\n"; 1075 } 1076 } 1077 } 1078 1079 uint32_t DumpMappingAtOffset(std::ostream& os, const OatFile::OatMethod& oat_method, 1080 size_t offset, bool suspend_point_mapping) { 1081 MappingTable table(oat_method.GetMappingTable()); 1082 if (suspend_point_mapping && table.PcToDexSize() > 0) { 1083 typedef MappingTable::PcToDexIterator It; 1084 for (It cur = table.PcToDexBegin(), end = table.PcToDexEnd(); cur != end; ++cur) { 1085 if (offset == cur.NativePcOffset()) { 1086 os << StringPrintf("suspend point dex PC: 0x%04x\n", cur.DexPc()); 1087 return cur.DexPc(); 1088 } 1089 } 1090 } else if (!suspend_point_mapping && table.DexToPcSize() > 0) { 1091 typedef MappingTable::DexToPcIterator It; 1092 for (It cur = table.DexToPcBegin(), end = table.DexToPcEnd(); cur != end; ++cur) { 1093 if (offset == cur.NativePcOffset()) { 1094 os << StringPrintf("catch entry dex PC: 0x%04x\n", cur.DexPc()); 1095 return cur.DexPc(); 1096 } 1097 } 1098 } 1099 return DexFile::kDexNoIndex; 1100 } 1101 1102 void DumpGcMapAtNativePcOffset(std::ostream& os, const OatFile::OatMethod& oat_method, 1103 const DexFile::CodeItem* code_item, size_t native_pc_offset) { 1104 const uint8_t* gc_map_raw = oat_method.GetNativeGcMap(); 1105 if (gc_map_raw != nullptr) { 1106 NativePcOffsetToReferenceMap map(gc_map_raw); 1107 if (map.HasEntry(native_pc_offset)) { 1108 size_t num_regs = map.RegWidth() * 8; 1109 const uint8_t* reg_bitmap = map.FindBitMap(native_pc_offset); 1110 bool first = true; 1111 for (size_t reg = 0; reg < num_regs; reg++) { 1112 if (((reg_bitmap[reg / 8] >> (reg % 8)) & 0x01) != 0) { 1113 if (first) { 1114 os << "GC map objects: v" << reg << " ("; 1115 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 1116 os << ")"; 1117 first = false; 1118 } else { 1119 os << ", v" << reg << " ("; 1120 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 1121 os << ")"; 1122 } 1123 } 1124 } 1125 if (!first) { 1126 os << "\n"; 1127 } 1128 } 1129 } 1130 } 1131 1132 void DumpVRegsAtDexPc(std::ostream& os, verifier::MethodVerifier* verifier, 1133 const OatFile::OatMethod& oat_method, 1134 const DexFile::CodeItem* code_item, uint32_t dex_pc) { 1135 DCHECK(verifier != nullptr); 1136 std::vector<int32_t> kinds = verifier->DescribeVRegs(dex_pc); 1137 bool first = true; 1138 for (size_t reg = 0; reg < code_item->registers_size_; reg++) { 1139 VRegKind kind = static_cast<VRegKind>(kinds.at(reg * 2)); 1140 if (kind != kUndefined) { 1141 if (first) { 1142 os << "VRegs: v"; 1143 first = false; 1144 } else { 1145 os << ", v"; 1146 } 1147 os << reg << " ("; 1148 switch (kind) { 1149 case kImpreciseConstant: 1150 os << "Imprecise Constant: " << kinds.at((reg * 2) + 1) << ", "; 1151 DescribeVReg(os, oat_method, code_item, reg, kind); 1152 break; 1153 case kConstant: 1154 os << "Constant: " << kinds.at((reg * 2) + 1); 1155 break; 1156 default: 1157 DescribeVReg(os, oat_method, code_item, reg, kind); 1158 break; 1159 } 1160 os << ")"; 1161 } 1162 } 1163 if (!first) { 1164 os << "\n"; 1165 } 1166 } 1167 1168 1169 void DumpDexCode(std::ostream& os, const DexFile& dex_file, const DexFile::CodeItem* code_item) { 1170 if (code_item != nullptr) { 1171 size_t i = 0; 1172 while (i < code_item->insns_size_in_code_units_) { 1173 const Instruction* instruction = Instruction::At(&code_item->insns_[i]); 1174 os << StringPrintf("0x%04zx: %s\n", i, instruction->DumpString(&dex_file).c_str()); 1175 i += instruction->SizeInCodeUnits(); 1176 } 1177 } 1178 } 1179 1180 verifier::MethodVerifier* DumpVerifier(std::ostream& os, uint32_t dex_method_idx, 1181 const DexFile* dex_file, 1182 const DexFile::ClassDef& class_def, 1183 const DexFile::CodeItem* code_item, 1184 uint32_t method_access_flags) { 1185 if ((method_access_flags & kAccNative) == 0) { 1186 ScopedObjectAccess soa(Thread::Current()); 1187 StackHandleScope<1> hs(soa.Self()); 1188 Handle<mirror::DexCache> dex_cache( 1189 hs.NewHandle(Runtime::Current()->GetClassLinker()->FindDexCache(*dex_file))); 1190 DCHECK(options_->class_loader_ != nullptr); 1191 return verifier::MethodVerifier::VerifyMethodAndDump(soa.Self(), os, dex_method_idx, dex_file, 1192 dex_cache, 1193 *options_->class_loader_, 1194 &class_def, code_item, 1195 NullHandle<mirror::ArtMethod>(), 1196 method_access_flags); 1197 } 1198 1199 return nullptr; 1200 } 1201 1202 void DumpCode(std::ostream& os, verifier::MethodVerifier* verifier, 1203 const OatFile::OatMethod& oat_method, const DexFile::CodeItem* code_item, 1204 bool bad_input, size_t code_size) { 1205 const void* portable_code = oat_method.GetPortableCode(); 1206 const void* quick_code = oat_method.GetQuickCode(); 1207 1208 if (code_size == 0) { 1209 code_size = oat_method.GetQuickCodeSize(); 1210 } 1211 if ((code_size == 0) || ((portable_code == nullptr) && (quick_code == nullptr))) { 1212 os << "NO CODE!\n"; 1213 return; 1214 } else if (quick_code != nullptr) { 1215 const uint8_t* quick_native_pc = reinterpret_cast<const uint8_t*>(quick_code); 1216 size_t offset = 0; 1217 while (offset < code_size) { 1218 if (!bad_input) { 1219 DumpMappingAtOffset(os, oat_method, offset, false); 1220 } 1221 offset += disassembler_->Dump(os, quick_native_pc + offset); 1222 if (!bad_input) { 1223 uint32_t dex_pc = DumpMappingAtOffset(os, oat_method, offset, true); 1224 if (dex_pc != DexFile::kDexNoIndex) { 1225 DumpGcMapAtNativePcOffset(os, oat_method, code_item, offset); 1226 if (verifier != nullptr) { 1227 DumpVRegsAtDexPc(os, verifier, oat_method, code_item, dex_pc); 1228 } 1229 } 1230 } 1231 } 1232 } else { 1233 CHECK(portable_code != nullptr); 1234 CHECK_EQ(code_size, 0U); // TODO: disassembly of portable is currently not supported. 1235 } 1236 } 1237 1238 const OatFile& oat_file_; 1239 const std::vector<const OatFile::OatDexFile*> oat_dex_files_; 1240 const OatDumperOptions* options_; 1241 std::set<uintptr_t> offsets_; 1242 Disassembler* disassembler_; 1243}; 1244 1245class ImageDumper { 1246 public: 1247 explicit ImageDumper(std::ostream* os, gc::space::ImageSpace& image_space, 1248 const ImageHeader& image_header, OatDumperOptions* oat_dumper_options) 1249 : os_(os), 1250 image_space_(image_space), 1251 image_header_(image_header), 1252 oat_dumper_options_(oat_dumper_options) {} 1253 1254 bool Dump() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1255 std::ostream& os = *os_; 1256 os << "MAGIC: " << image_header_.GetMagic() << "\n\n"; 1257 1258 os << "IMAGE BEGIN: " << reinterpret_cast<void*>(image_header_.GetImageBegin()) << "\n\n"; 1259 1260 os << "IMAGE BITMAP OFFSET: " << reinterpret_cast<void*>(image_header_.GetImageBitmapOffset()) 1261 << " SIZE: " << reinterpret_cast<void*>(image_header_.GetImageBitmapSize()) << "\n\n"; 1262 1263 os << "OAT CHECKSUM: " << StringPrintf("0x%08x\n\n", image_header_.GetOatChecksum()); 1264 1265 os << "OAT FILE BEGIN:" << reinterpret_cast<void*>(image_header_.GetOatFileBegin()) << "\n\n"; 1266 1267 os << "OAT DATA BEGIN:" << reinterpret_cast<void*>(image_header_.GetOatDataBegin()) << "\n\n"; 1268 1269 os << "OAT DATA END:" << reinterpret_cast<void*>(image_header_.GetOatDataEnd()) << "\n\n"; 1270 1271 os << "OAT FILE END:" << reinterpret_cast<void*>(image_header_.GetOatFileEnd()) << "\n\n"; 1272 1273 os << "PATCH DELTA:" << image_header_.GetPatchDelta() << "\n\n"; 1274 1275 { 1276 os << "ROOTS: " << reinterpret_cast<void*>(image_header_.GetImageRoots()) << "\n"; 1277 Indenter indent1_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 1278 std::ostream indent1_os(&indent1_filter); 1279 CHECK_EQ(arraysize(image_roots_descriptions_), size_t(ImageHeader::kImageRootsMax)); 1280 for (int i = 0; i < ImageHeader::kImageRootsMax; i++) { 1281 ImageHeader::ImageRoot image_root = static_cast<ImageHeader::ImageRoot>(i); 1282 const char* image_root_description = image_roots_descriptions_[i]; 1283 mirror::Object* image_root_object = image_header_.GetImageRoot(image_root); 1284 indent1_os << StringPrintf("%s: %p\n", image_root_description, image_root_object); 1285 if (image_root_object->IsObjectArray()) { 1286 Indenter indent2_filter(indent1_os.rdbuf(), kIndentChar, kIndentBy1Count); 1287 std::ostream indent2_os(&indent2_filter); 1288 mirror::ObjectArray<mirror::Object>* image_root_object_array 1289 = image_root_object->AsObjectArray<mirror::Object>(); 1290 for (int i = 0; i < image_root_object_array->GetLength(); i++) { 1291 mirror::Object* value = image_root_object_array->Get(i); 1292 size_t run = 0; 1293 for (int32_t j = i + 1; j < image_root_object_array->GetLength(); j++) { 1294 if (value == image_root_object_array->Get(j)) { 1295 run++; 1296 } else { 1297 break; 1298 } 1299 } 1300 if (run == 0) { 1301 indent2_os << StringPrintf("%d: ", i); 1302 } else { 1303 indent2_os << StringPrintf("%d to %zd: ", i, i + run); 1304 i = i + run; 1305 } 1306 if (value != nullptr) { 1307 PrettyObjectValue(indent2_os, value->GetClass(), value); 1308 } else { 1309 indent2_os << i << ": null\n"; 1310 } 1311 } 1312 } 1313 } 1314 } 1315 os << "\n"; 1316 1317 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1318 std::string image_filename = image_space_.GetImageFilename(); 1319 std::string oat_location = ImageHeader::GetOatLocationFromImageLocation(image_filename); 1320 os << "OAT LOCATION: " << oat_location; 1321 os << "\n"; 1322 std::string error_msg; 1323 const OatFile* oat_file = class_linker->FindOpenedOatFileFromOatLocation(oat_location); 1324 if (oat_file == nullptr) { 1325 oat_file = OatFile::Open(oat_location, oat_location, nullptr, false, &error_msg); 1326 if (oat_file == nullptr) { 1327 os << "NOT FOUND: " << error_msg << "\n"; 1328 return false; 1329 } 1330 } 1331 os << "\n"; 1332 1333 stats_.oat_file_bytes = oat_file->Size(); 1334 1335 oat_dumper_.reset(new OatDumper(*oat_file, oat_dumper_options_.release())); 1336 1337 for (const OatFile::OatDexFile* oat_dex_file : oat_file->GetOatDexFiles()) { 1338 CHECK(oat_dex_file != nullptr); 1339 stats_.oat_dex_file_sizes.push_back(std::make_pair(oat_dex_file->GetDexFileLocation(), 1340 oat_dex_file->FileSize())); 1341 } 1342 1343 os << "OBJECTS:\n" << std::flush; 1344 1345 // Loop through all the image spaces and dump their objects. 1346 gc::Heap* heap = Runtime::Current()->GetHeap(); 1347 const std::vector<gc::space::ContinuousSpace*>& spaces = heap->GetContinuousSpaces(); 1348 Thread* self = Thread::Current(); 1349 { 1350 { 1351 WriterMutexLock mu(self, *Locks::heap_bitmap_lock_); 1352 heap->FlushAllocStack(); 1353 } 1354 // Since FlushAllocStack() above resets the (active) allocation 1355 // stack. Need to revoke the thread-local allocation stacks that 1356 // point into it. 1357 { 1358 self->TransitionFromRunnableToSuspended(kNative); 1359 ThreadList* thread_list = Runtime::Current()->GetThreadList(); 1360 thread_list->SuspendAll(); 1361 heap->RevokeAllThreadLocalAllocationStacks(self); 1362 thread_list->ResumeAll(); 1363 self->TransitionFromSuspendedToRunnable(); 1364 } 1365 } 1366 { 1367 std::ostream* saved_os = os_; 1368 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 1369 std::ostream indent_os(&indent_filter); 1370 os_ = &indent_os; 1371 ReaderMutexLock mu(self, *Locks::heap_bitmap_lock_); 1372 for (const auto& space : spaces) { 1373 if (space->IsImageSpace()) { 1374 gc::space::ImageSpace* image_space = space->AsImageSpace(); 1375 image_space->GetLiveBitmap()->Walk(ImageDumper::Callback, this); 1376 indent_os << "\n"; 1377 } 1378 } 1379 // Dump the large objects separately. 1380 heap->GetLargeObjectsSpace()->GetLiveBitmap()->Walk(ImageDumper::Callback, this); 1381 indent_os << "\n"; 1382 os_ = saved_os; 1383 } 1384 os << "STATS:\n" << std::flush; 1385 std::unique_ptr<File> file(OS::OpenFileForReading(image_filename.c_str())); 1386 if (file.get() == nullptr) { 1387 LOG(WARNING) << "Failed to find image in " << image_filename; 1388 } 1389 if (file.get() != nullptr) { 1390 stats_.file_bytes = file->GetLength(); 1391 } 1392 size_t header_bytes = sizeof(ImageHeader); 1393 stats_.header_bytes = header_bytes; 1394 size_t alignment_bytes = RoundUp(header_bytes, kObjectAlignment) - header_bytes; 1395 stats_.alignment_bytes += alignment_bytes; 1396 stats_.alignment_bytes += image_header_.GetImageBitmapOffset() - image_header_.GetImageSize(); 1397 stats_.bitmap_bytes += image_header_.GetImageBitmapSize(); 1398 stats_.Dump(os); 1399 os << "\n"; 1400 1401 os << std::flush; 1402 1403 return oat_dumper_->Dump(os); 1404 } 1405 1406 private: 1407 static void PrettyObjectValue(std::ostream& os, mirror::Class* type, mirror::Object* value) 1408 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1409 CHECK(type != nullptr); 1410 if (value == nullptr) { 1411 os << StringPrintf("null %s\n", PrettyDescriptor(type).c_str()); 1412 } else if (type->IsStringClass()) { 1413 mirror::String* string = value->AsString(); 1414 os << StringPrintf("%p String: %s\n", string, 1415 PrintableString(string->ToModifiedUtf8().c_str()).c_str()); 1416 } else if (type->IsClassClass()) { 1417 mirror::Class* klass = value->AsClass(); 1418 os << StringPrintf("%p Class: %s\n", klass, PrettyDescriptor(klass).c_str()); 1419 } else if (type->IsArtFieldClass()) { 1420 mirror::ArtField* field = value->AsArtField(); 1421 os << StringPrintf("%p Field: %s\n", field, PrettyField(field).c_str()); 1422 } else if (type->IsArtMethodClass()) { 1423 mirror::ArtMethod* method = value->AsArtMethod(); 1424 os << StringPrintf("%p Method: %s\n", method, PrettyMethod(method).c_str()); 1425 } else { 1426 os << StringPrintf("%p %s\n", value, PrettyDescriptor(type).c_str()); 1427 } 1428 } 1429 1430 static void PrintField(std::ostream& os, mirror::ArtField* field, mirror::Object* obj) 1431 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1432 const char* descriptor = field->GetTypeDescriptor(); 1433 os << StringPrintf("%s: ", field->GetName()); 1434 if (descriptor[0] != 'L' && descriptor[0] != '[') { 1435 StackHandleScope<1> hs(Thread::Current()); 1436 FieldHelper fh(hs.NewHandle(field)); 1437 mirror::Class* type = fh.GetType(); 1438 DCHECK(type->IsPrimitive()); 1439 if (type->IsPrimitiveLong()) { 1440 os << StringPrintf("%" PRId64 " (0x%" PRIx64 ")\n", field->Get64(obj), field->Get64(obj)); 1441 } else if (type->IsPrimitiveDouble()) { 1442 os << StringPrintf("%f (%a)\n", field->GetDouble(obj), field->GetDouble(obj)); 1443 } else if (type->IsPrimitiveFloat()) { 1444 os << StringPrintf("%f (%a)\n", field->GetFloat(obj), field->GetFloat(obj)); 1445 } else if (type->IsPrimitiveInt()) { 1446 os << StringPrintf("%d (0x%x)\n", field->Get32(obj), field->Get32(obj)); 1447 } else if (type->IsPrimitiveChar()) { 1448 os << StringPrintf("%u (0x%x)\n", field->GetChar(obj), field->GetChar(obj)); 1449 } else if (type->IsPrimitiveShort()) { 1450 os << StringPrintf("%d (0x%x)\n", field->GetShort(obj), field->GetShort(obj)); 1451 } else if (type->IsPrimitiveBoolean()) { 1452 os << StringPrintf("%s (0x%x)\n", field->GetBoolean(obj)? "true" : "false", 1453 field->GetBoolean(obj)); 1454 } else if (type->IsPrimitiveByte()) { 1455 os << StringPrintf("%d (0x%x)\n", field->GetByte(obj), field->GetByte(obj)); 1456 } else { 1457 LOG(FATAL) << "Unknown type: " << PrettyClass(type); 1458 } 1459 } else { 1460 // Get the value, don't compute the type unless it is non-null as we don't want 1461 // to cause class loading. 1462 mirror::Object* value = field->GetObj(obj); 1463 if (value == nullptr) { 1464 os << StringPrintf("null %s\n", PrettyDescriptor(descriptor).c_str()); 1465 } else { 1466 // Grab the field type without causing resolution. 1467 StackHandleScope<1> hs(Thread::Current()); 1468 FieldHelper fh(hs.NewHandle(field)); 1469 mirror::Class* field_type = fh.GetType(false); 1470 if (field_type != nullptr) { 1471 PrettyObjectValue(os, field_type, value); 1472 } else { 1473 os << StringPrintf("%p %s\n", value, PrettyDescriptor(descriptor).c_str()); 1474 } 1475 } 1476 } 1477 } 1478 1479 static void DumpFields(std::ostream& os, mirror::Object* obj, mirror::Class* klass) 1480 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1481 mirror::Class* super = klass->GetSuperClass(); 1482 if (super != nullptr) { 1483 DumpFields(os, obj, super); 1484 } 1485 mirror::ObjectArray<mirror::ArtField>* fields = klass->GetIFields(); 1486 if (fields != nullptr) { 1487 for (int32_t i = 0; i < fields->GetLength(); i++) { 1488 mirror::ArtField* field = fields->Get(i); 1489 PrintField(os, field, obj); 1490 } 1491 } 1492 } 1493 1494 bool InDumpSpace(const mirror::Object* object) { 1495 return image_space_.Contains(object); 1496 } 1497 1498 const void* GetQuickOatCodeBegin(mirror::ArtMethod* m) 1499 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1500 const void* quick_code = m->GetEntryPointFromQuickCompiledCode(); 1501 if (Runtime::Current()->GetClassLinker()->IsQuickResolutionStub(quick_code)) { 1502 quick_code = oat_dumper_->GetQuickOatCode(m); 1503 } 1504 if (oat_dumper_->GetInstructionSet() == kThumb2) { 1505 quick_code = reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(quick_code) & ~0x1); 1506 } 1507 return quick_code; 1508 } 1509 1510 uint32_t GetQuickOatCodeSize(mirror::ArtMethod* m) 1511 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1512 const uint32_t* oat_code_begin = reinterpret_cast<const uint32_t*>(GetQuickOatCodeBegin(m)); 1513 if (oat_code_begin == nullptr) { 1514 return 0; 1515 } 1516 return oat_code_begin[-1]; 1517 } 1518 1519 const void* GetQuickOatCodeEnd(mirror::ArtMethod* m) 1520 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1521 const uint8_t* oat_code_begin = reinterpret_cast<const uint8_t*>(GetQuickOatCodeBegin(m)); 1522 if (oat_code_begin == nullptr) { 1523 return nullptr; 1524 } 1525 return oat_code_begin + GetQuickOatCodeSize(m); 1526 } 1527 1528 static void Callback(mirror::Object* obj, void* arg) 1529 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1530 DCHECK(obj != nullptr); 1531 DCHECK(arg != nullptr); 1532 ImageDumper* state = reinterpret_cast<ImageDumper*>(arg); 1533 if (!state->InDumpSpace(obj)) { 1534 return; 1535 } 1536 1537 size_t object_bytes = obj->SizeOf(); 1538 size_t alignment_bytes = RoundUp(object_bytes, kObjectAlignment) - object_bytes; 1539 state->stats_.object_bytes += object_bytes; 1540 state->stats_.alignment_bytes += alignment_bytes; 1541 1542 std::ostream& os = *state->os_; 1543 mirror::Class* obj_class = obj->GetClass(); 1544 if (obj_class->IsArrayClass()) { 1545 os << StringPrintf("%p: %s length:%d\n", obj, PrettyDescriptor(obj_class).c_str(), 1546 obj->AsArray()->GetLength()); 1547 } else if (obj->IsClass()) { 1548 mirror::Class* klass = obj->AsClass(); 1549 os << StringPrintf("%p: java.lang.Class \"%s\" (", obj, PrettyDescriptor(klass).c_str()) 1550 << klass->GetStatus() << ")\n"; 1551 } else if (obj->IsArtField()) { 1552 os << StringPrintf("%p: java.lang.reflect.ArtField %s\n", obj, 1553 PrettyField(obj->AsArtField()).c_str()); 1554 } else if (obj->IsArtMethod()) { 1555 os << StringPrintf("%p: java.lang.reflect.ArtMethod %s\n", obj, 1556 PrettyMethod(obj->AsArtMethod()).c_str()); 1557 } else if (obj_class->IsStringClass()) { 1558 os << StringPrintf("%p: java.lang.String %s\n", obj, 1559 PrintableString(obj->AsString()->ToModifiedUtf8().c_str()).c_str()); 1560 } else { 1561 os << StringPrintf("%p: %s\n", obj, PrettyDescriptor(obj_class).c_str()); 1562 } 1563 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 1564 std::ostream indent_os(&indent_filter); 1565 DumpFields(indent_os, obj, obj_class); 1566 if (obj->IsObjectArray()) { 1567 mirror::ObjectArray<mirror::Object>* obj_array = obj->AsObjectArray<mirror::Object>(); 1568 int32_t length = obj_array->GetLength(); 1569 for (int32_t i = 0; i < length; i++) { 1570 mirror::Object* value = obj_array->Get(i); 1571 size_t run = 0; 1572 for (int32_t j = i + 1; j < length; j++) { 1573 if (value == obj_array->Get(j)) { 1574 run++; 1575 } else { 1576 break; 1577 } 1578 } 1579 if (run == 0) { 1580 indent_os << StringPrintf("%d: ", i); 1581 } else { 1582 indent_os << StringPrintf("%d to %zd: ", i, i + run); 1583 i = i + run; 1584 } 1585 mirror::Class* value_class = 1586 (value == nullptr) ? obj_class->GetComponentType() : value->GetClass(); 1587 PrettyObjectValue(indent_os, value_class, value); 1588 } 1589 } else if (obj->IsClass()) { 1590 mirror::ObjectArray<mirror::ArtField>* sfields = obj->AsClass()->GetSFields(); 1591 if (sfields != nullptr) { 1592 indent_os << "STATICS:\n"; 1593 Indenter indent2_filter(indent_os.rdbuf(), kIndentChar, kIndentBy1Count); 1594 std::ostream indent2_os(&indent2_filter); 1595 for (int32_t i = 0; i < sfields->GetLength(); i++) { 1596 mirror::ArtField* field = sfields->Get(i); 1597 PrintField(indent2_os, field, field->GetDeclaringClass()); 1598 } 1599 } 1600 } else if (obj->IsArtMethod()) { 1601 mirror::ArtMethod* method = obj->AsArtMethod(); 1602 if (method->IsNative()) { 1603 // TODO: portable dumping. 1604 DCHECK(method->GetNativeGcMap() == nullptr) << PrettyMethod(method); 1605 DCHECK(method->GetMappingTable() == nullptr) << PrettyMethod(method); 1606 bool first_occurrence; 1607 const void* quick_oat_code = state->GetQuickOatCodeBegin(method); 1608 uint32_t quick_oat_code_size = state->GetQuickOatCodeSize(method); 1609 state->ComputeOatSize(quick_oat_code, &first_occurrence); 1610 if (first_occurrence) { 1611 state->stats_.native_to_managed_code_bytes += quick_oat_code_size; 1612 } 1613 if (quick_oat_code != method->GetEntryPointFromQuickCompiledCode()) { 1614 indent_os << StringPrintf("OAT CODE: %p\n", quick_oat_code); 1615 } 1616 } else if (method->IsAbstract() || method->IsCalleeSaveMethod() || 1617 method->IsResolutionMethod() || method->IsImtConflictMethod() || 1618 method->IsClassInitializer()) { 1619 DCHECK(method->GetNativeGcMap() == nullptr) << PrettyMethod(method); 1620 DCHECK(method->GetMappingTable() == nullptr) << PrettyMethod(method); 1621 } else { 1622 const DexFile::CodeItem* code_item = method->GetCodeItem(); 1623 size_t dex_instruction_bytes = code_item->insns_size_in_code_units_ * 2; 1624 state->stats_.dex_instruction_bytes += dex_instruction_bytes; 1625 1626 bool first_occurrence; 1627 size_t gc_map_bytes = state->ComputeOatSize(method->GetNativeGcMap(), &first_occurrence); 1628 if (first_occurrence) { 1629 state->stats_.gc_map_bytes += gc_map_bytes; 1630 } 1631 1632 size_t pc_mapping_table_bytes = 1633 state->ComputeOatSize(method->GetMappingTable(), &first_occurrence); 1634 if (first_occurrence) { 1635 state->stats_.pc_mapping_table_bytes += pc_mapping_table_bytes; 1636 } 1637 1638 size_t vmap_table_bytes = 1639 state->ComputeOatSize(method->GetVmapTable(), &first_occurrence); 1640 if (first_occurrence) { 1641 state->stats_.vmap_table_bytes += vmap_table_bytes; 1642 } 1643 1644 // TODO: portable dumping. 1645 const void* quick_oat_code_begin = state->GetQuickOatCodeBegin(method); 1646 const void* quick_oat_code_end = state->GetQuickOatCodeEnd(method); 1647 uint32_t quick_oat_code_size = state->GetQuickOatCodeSize(method); 1648 state->ComputeOatSize(quick_oat_code_begin, &first_occurrence); 1649 if (first_occurrence) { 1650 state->stats_.managed_code_bytes += quick_oat_code_size; 1651 if (method->IsConstructor()) { 1652 if (method->IsStatic()) { 1653 state->stats_.class_initializer_code_bytes += quick_oat_code_size; 1654 } else if (dex_instruction_bytes > kLargeConstructorDexBytes) { 1655 state->stats_.large_initializer_code_bytes += quick_oat_code_size; 1656 } 1657 } else if (dex_instruction_bytes > kLargeMethodDexBytes) { 1658 state->stats_.large_method_code_bytes += quick_oat_code_size; 1659 } 1660 } 1661 state->stats_.managed_code_bytes_ignoring_deduplication += quick_oat_code_size; 1662 1663 indent_os << StringPrintf("OAT CODE: %p-%p\n", quick_oat_code_begin, quick_oat_code_end); 1664 indent_os << StringPrintf("SIZE: Dex Instructions=%zd GC=%zd Mapping=%zd\n", 1665 dex_instruction_bytes, gc_map_bytes, pc_mapping_table_bytes); 1666 1667 size_t total_size = dex_instruction_bytes + gc_map_bytes + pc_mapping_table_bytes + 1668 vmap_table_bytes + quick_oat_code_size + object_bytes; 1669 1670 double expansion = 1671 static_cast<double>(quick_oat_code_size) / static_cast<double>(dex_instruction_bytes); 1672 state->stats_.ComputeOutliers(total_size, expansion, method); 1673 } 1674 } 1675 std::string temp; 1676 state->stats_.Update(obj_class->GetDescriptor(&temp), object_bytes); 1677 } 1678 1679 std::set<const void*> already_seen_; 1680 // Compute the size of the given data within the oat file and whether this is the first time 1681 // this data has been requested 1682 size_t ComputeOatSize(const void* oat_data, bool* first_occurrence) { 1683 if (already_seen_.count(oat_data) == 0) { 1684 *first_occurrence = true; 1685 already_seen_.insert(oat_data); 1686 } else { 1687 *first_occurrence = false; 1688 } 1689 return oat_dumper_->ComputeSize(oat_data); 1690 } 1691 1692 public: 1693 struct Stats { 1694 size_t oat_file_bytes; 1695 size_t file_bytes; 1696 1697 size_t header_bytes; 1698 size_t object_bytes; 1699 size_t bitmap_bytes; 1700 size_t alignment_bytes; 1701 1702 size_t managed_code_bytes; 1703 size_t managed_code_bytes_ignoring_deduplication; 1704 size_t managed_to_native_code_bytes; 1705 size_t native_to_managed_code_bytes; 1706 size_t class_initializer_code_bytes; 1707 size_t large_initializer_code_bytes; 1708 size_t large_method_code_bytes; 1709 1710 size_t gc_map_bytes; 1711 size_t pc_mapping_table_bytes; 1712 size_t vmap_table_bytes; 1713 1714 size_t dex_instruction_bytes; 1715 1716 std::vector<mirror::ArtMethod*> method_outlier; 1717 std::vector<size_t> method_outlier_size; 1718 std::vector<double> method_outlier_expansion; 1719 std::vector<std::pair<std::string, size_t>> oat_dex_file_sizes; 1720 1721 explicit Stats() 1722 : oat_file_bytes(0), 1723 file_bytes(0), 1724 header_bytes(0), 1725 object_bytes(0), 1726 bitmap_bytes(0), 1727 alignment_bytes(0), 1728 managed_code_bytes(0), 1729 managed_code_bytes_ignoring_deduplication(0), 1730 managed_to_native_code_bytes(0), 1731 native_to_managed_code_bytes(0), 1732 class_initializer_code_bytes(0), 1733 large_initializer_code_bytes(0), 1734 large_method_code_bytes(0), 1735 gc_map_bytes(0), 1736 pc_mapping_table_bytes(0), 1737 vmap_table_bytes(0), 1738 dex_instruction_bytes(0) {} 1739 1740 struct SizeAndCount { 1741 SizeAndCount(size_t bytes, size_t count) : bytes(bytes), count(count) {} 1742 size_t bytes; 1743 size_t count; 1744 }; 1745 typedef SafeMap<std::string, SizeAndCount> SizeAndCountTable; 1746 SizeAndCountTable sizes_and_counts; 1747 1748 void Update(const char* descriptor, size_t object_bytes) { 1749 SizeAndCountTable::iterator it = sizes_and_counts.find(descriptor); 1750 if (it != sizes_and_counts.end()) { 1751 it->second.bytes += object_bytes; 1752 it->second.count += 1; 1753 } else { 1754 sizes_and_counts.Put(descriptor, SizeAndCount(object_bytes, 1)); 1755 } 1756 } 1757 1758 double PercentOfOatBytes(size_t size) { 1759 return (static_cast<double>(size) / static_cast<double>(oat_file_bytes)) * 100; 1760 } 1761 1762 double PercentOfFileBytes(size_t size) { 1763 return (static_cast<double>(size) / static_cast<double>(file_bytes)) * 100; 1764 } 1765 1766 double PercentOfObjectBytes(size_t size) { 1767 return (static_cast<double>(size) / static_cast<double>(object_bytes)) * 100; 1768 } 1769 1770 void ComputeOutliers(size_t total_size, double expansion, mirror::ArtMethod* method) { 1771 method_outlier_size.push_back(total_size); 1772 method_outlier_expansion.push_back(expansion); 1773 method_outlier.push_back(method); 1774 } 1775 1776 void DumpOutliers(std::ostream& os) 1777 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1778 size_t sum_of_sizes = 0; 1779 size_t sum_of_sizes_squared = 0; 1780 size_t sum_of_expansion = 0; 1781 size_t sum_of_expansion_squared = 0; 1782 size_t n = method_outlier_size.size(); 1783 for (size_t i = 0; i < n; i++) { 1784 size_t cur_size = method_outlier_size[i]; 1785 sum_of_sizes += cur_size; 1786 sum_of_sizes_squared += cur_size * cur_size; 1787 double cur_expansion = method_outlier_expansion[i]; 1788 sum_of_expansion += cur_expansion; 1789 sum_of_expansion_squared += cur_expansion * cur_expansion; 1790 } 1791 size_t size_mean = sum_of_sizes / n; 1792 size_t size_variance = (sum_of_sizes_squared - sum_of_sizes * size_mean) / (n - 1); 1793 double expansion_mean = sum_of_expansion / n; 1794 double expansion_variance = 1795 (sum_of_expansion_squared - sum_of_expansion * expansion_mean) / (n - 1); 1796 1797 // Dump methods whose size is a certain number of standard deviations from the mean 1798 size_t dumped_values = 0; 1799 size_t skipped_values = 0; 1800 for (size_t i = 100; i > 0; i--) { // i is the current number of standard deviations 1801 size_t cur_size_variance = i * i * size_variance; 1802 bool first = true; 1803 for (size_t j = 0; j < n; j++) { 1804 size_t cur_size = method_outlier_size[j]; 1805 if (cur_size > size_mean) { 1806 size_t cur_var = cur_size - size_mean; 1807 cur_var = cur_var * cur_var; 1808 if (cur_var > cur_size_variance) { 1809 if (dumped_values > 20) { 1810 if (i == 1) { 1811 skipped_values++; 1812 } else { 1813 i = 2; // jump to counting for 1 standard deviation 1814 break; 1815 } 1816 } else { 1817 if (first) { 1818 os << "\nBig methods (size > " << i << " standard deviations the norm):\n"; 1819 first = false; 1820 } 1821 os << PrettyMethod(method_outlier[j]) << " requires storage of " 1822 << PrettySize(cur_size) << "\n"; 1823 method_outlier_size[j] = 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 size > 1 standard deviation from the norm\n"; 1833 } 1834 os << std::flush; 1835 1836 // Dump methods whose expansion is a certain number of standard deviations from the mean 1837 dumped_values = 0; 1838 skipped_values = 0; 1839 for (size_t i = 10; i > 0; i--) { // i is the current number of standard deviations 1840 double cur_expansion_variance = i * i * expansion_variance; 1841 bool first = true; 1842 for (size_t j = 0; j < n; j++) { 1843 double cur_expansion = method_outlier_expansion[j]; 1844 if (cur_expansion > expansion_mean) { 1845 size_t cur_var = cur_expansion - expansion_mean; 1846 cur_var = cur_var * cur_var; 1847 if (cur_var > cur_expansion_variance) { 1848 if (dumped_values > 20) { 1849 if (i == 1) { 1850 skipped_values++; 1851 } else { 1852 i = 2; // jump to counting for 1 standard deviation 1853 break; 1854 } 1855 } else { 1856 if (first) { 1857 os << "\nLarge expansion methods (size > " << i 1858 << " standard deviations the norm):\n"; 1859 first = false; 1860 } 1861 os << PrettyMethod(method_outlier[j]) << " expanded code by " 1862 << cur_expansion << "\n"; 1863 method_outlier_expansion[j] = 0.0; // don't consider this method again 1864 dumped_values++; 1865 } 1866 } 1867 } 1868 } 1869 } 1870 if (skipped_values > 0) { 1871 os << "... skipped " << skipped_values 1872 << " methods with expansion > 1 standard deviation from the norm\n"; 1873 } 1874 os << "\n" << std::flush; 1875 } 1876 1877 void Dump(std::ostream& os) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1878 { 1879 os << "art_file_bytes = " << PrettySize(file_bytes) << "\n\n" 1880 << "art_file_bytes = header_bytes + object_bytes + alignment_bytes\n"; 1881 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 1882 std::ostream indent_os(&indent_filter); 1883 indent_os << StringPrintf("header_bytes = %8zd (%2.0f%% of art file bytes)\n" 1884 "object_bytes = %8zd (%2.0f%% of art file bytes)\n" 1885 "bitmap_bytes = %8zd (%2.0f%% of art file bytes)\n" 1886 "alignment_bytes = %8zd (%2.0f%% of art file bytes)\n\n", 1887 header_bytes, PercentOfFileBytes(header_bytes), 1888 object_bytes, PercentOfFileBytes(object_bytes), 1889 bitmap_bytes, PercentOfFileBytes(bitmap_bytes), 1890 alignment_bytes, PercentOfFileBytes(alignment_bytes)) 1891 << std::flush; 1892 CHECK_EQ(file_bytes, bitmap_bytes + header_bytes + object_bytes + alignment_bytes); 1893 } 1894 1895 os << "object_bytes breakdown:\n"; 1896 size_t object_bytes_total = 0; 1897 for (const auto& sizes_and_count : sizes_and_counts) { 1898 const std::string& descriptor(sizes_and_count.first); 1899 double average = static_cast<double>(sizes_and_count.second.bytes) / 1900 static_cast<double>(sizes_and_count.second.count); 1901 double percent = PercentOfObjectBytes(sizes_and_count.second.bytes); 1902 os << StringPrintf("%32s %8zd bytes %6zd instances " 1903 "(%4.0f bytes/instance) %2.0f%% of object_bytes\n", 1904 descriptor.c_str(), sizes_and_count.second.bytes, 1905 sizes_and_count.second.count, average, percent); 1906 object_bytes_total += sizes_and_count.second.bytes; 1907 } 1908 os << "\n" << std::flush; 1909 CHECK_EQ(object_bytes, object_bytes_total); 1910 1911 os << StringPrintf("oat_file_bytes = %8zd\n" 1912 "managed_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1913 "managed_to_native_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1914 "native_to_managed_code_bytes = %8zd (%2.0f%% of oat file bytes)\n\n" 1915 "class_initializer_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1916 "large_initializer_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1917 "large_method_code_bytes = %8zd (%2.0f%% of oat file bytes)\n\n", 1918 oat_file_bytes, 1919 managed_code_bytes, 1920 PercentOfOatBytes(managed_code_bytes), 1921 managed_to_native_code_bytes, 1922 PercentOfOatBytes(managed_to_native_code_bytes), 1923 native_to_managed_code_bytes, 1924 PercentOfOatBytes(native_to_managed_code_bytes), 1925 class_initializer_code_bytes, 1926 PercentOfOatBytes(class_initializer_code_bytes), 1927 large_initializer_code_bytes, 1928 PercentOfOatBytes(large_initializer_code_bytes), 1929 large_method_code_bytes, 1930 PercentOfOatBytes(large_method_code_bytes)) 1931 << "DexFile sizes:\n"; 1932 for (const std::pair<std::string, size_t>& oat_dex_file_size : oat_dex_file_sizes) { 1933 os << StringPrintf("%s = %zd (%2.0f%% of oat file bytes)\n", 1934 oat_dex_file_size.first.c_str(), oat_dex_file_size.second, 1935 PercentOfOatBytes(oat_dex_file_size.second)); 1936 } 1937 1938 os << "\n" << StringPrintf("gc_map_bytes = %7zd (%2.0f%% of oat file bytes)\n" 1939 "pc_mapping_table_bytes = %7zd (%2.0f%% of oat file bytes)\n" 1940 "vmap_table_bytes = %7zd (%2.0f%% of oat file bytes)\n\n", 1941 gc_map_bytes, PercentOfOatBytes(gc_map_bytes), 1942 pc_mapping_table_bytes, PercentOfOatBytes(pc_mapping_table_bytes), 1943 vmap_table_bytes, PercentOfOatBytes(vmap_table_bytes)) 1944 << std::flush; 1945 1946 os << StringPrintf("dex_instruction_bytes = %zd\n", dex_instruction_bytes) 1947 << StringPrintf("managed_code_bytes expansion = %.2f (ignoring deduplication %.2f)\n\n", 1948 static_cast<double>(managed_code_bytes) / 1949 static_cast<double>(dex_instruction_bytes), 1950 static_cast<double>(managed_code_bytes_ignoring_deduplication) / 1951 static_cast<double>(dex_instruction_bytes)) 1952 << std::flush; 1953 1954 DumpOutliers(os); 1955 } 1956 } stats_; 1957 1958 private: 1959 enum { 1960 // Number of bytes for a constructor to be considered large. Based on the 1000 basic block 1961 // threshold, we assume 2 bytes per instruction and 2 instructions per block. 1962 kLargeConstructorDexBytes = 4000, 1963 // Number of bytes for a method to be considered large. Based on the 4000 basic block 1964 // threshold, we assume 2 bytes per instruction and 2 instructions per block. 1965 kLargeMethodDexBytes = 16000 1966 }; 1967 std::ostream* os_; 1968 gc::space::ImageSpace& image_space_; 1969 const ImageHeader& image_header_; 1970 std::unique_ptr<OatDumper> oat_dumper_; 1971 std::unique_ptr<OatDumperOptions> oat_dumper_options_; 1972 1973 DISALLOW_COPY_AND_ASSIGN(ImageDumper); 1974}; 1975 1976static NoopCompilerCallbacks callbacks; 1977 1978static Runtime* StartRuntime(const char* boot_image_location, const char* image_location, 1979 InstructionSet instruction_set) { 1980 RuntimeOptions options; 1981 std::string image_option; 1982 std::string oat_option; 1983 std::string boot_image_option; 1984 std::string boot_oat_option; 1985 1986 // We are more like a compiler than a run-time. We don't want to execute code. 1987 options.push_back(std::make_pair("compilercallbacks", &callbacks)); 1988 1989 if (boot_image_location != nullptr) { 1990 boot_image_option += "-Ximage:"; 1991 boot_image_option += boot_image_location; 1992 options.push_back(std::make_pair(boot_image_option.c_str(), nullptr)); 1993 } 1994 if (image_location != nullptr) { 1995 image_option += "-Ximage:"; 1996 image_option += image_location; 1997 options.push_back(std::make_pair(image_option.c_str(), nullptr)); 1998 } 1999 options.push_back( 2000 std::make_pair("imageinstructionset", 2001 reinterpret_cast<const void*>(GetInstructionSetString(instruction_set)))); 2002 2003 if (!Runtime::Create(options, false)) { 2004 fprintf(stderr, "Failed to create runtime\n"); 2005 return nullptr; 2006 } 2007 2008 // Runtime::Create acquired the mutator_lock_ that is normally given away when we Runtime::Start, 2009 // give it away now and then switch to a more manageable ScopedObjectAccess. 2010 Thread::Current()->TransitionFromRunnableToSuspended(kNative); 2011 2012 return Runtime::Current(); 2013} 2014 2015static int DumpImage(Runtime* runtime, const char* image_location, OatDumperOptions* options, 2016 std::ostream* os) { 2017 // Dumping the image, no explicit class loader. 2018 NullHandle<mirror::ClassLoader> null_class_loader; 2019 options->class_loader_ = &null_class_loader; 2020 2021 ScopedObjectAccess soa(Thread::Current()); 2022 gc::Heap* heap = runtime->GetHeap(); 2023 gc::space::ImageSpace* image_space = heap->GetImageSpace(); 2024 CHECK(image_space != nullptr); 2025 const ImageHeader& image_header = image_space->GetImageHeader(); 2026 if (!image_header.IsValid()) { 2027 fprintf(stderr, "Invalid image header %s\n", image_location); 2028 return EXIT_FAILURE; 2029 } 2030 ImageDumper image_dumper(os, *image_space, image_header, options); 2031 bool success = image_dumper.Dump(); 2032 return (success) ? EXIT_SUCCESS : EXIT_FAILURE; 2033} 2034 2035static int DumpOatWithRuntime(Runtime* runtime, OatFile* oat_file, OatDumperOptions* options, 2036 std::ostream* os) { 2037 CHECK(runtime != nullptr && oat_file != nullptr && options != nullptr); 2038 2039 Thread* self = Thread::Current(); 2040 CHECK(self != nullptr); 2041 // Need well-known-classes. 2042 WellKnownClasses::Init(self->GetJniEnv()); 2043 2044 // Need to register dex files to get a working dex cache. 2045 ScopedObjectAccess soa(self); 2046 ClassLinker* class_linker = runtime->GetClassLinker(); 2047 class_linker->RegisterOatFile(oat_file); 2048 std::vector<const DexFile*> dex_files; 2049 for (const OatFile::OatDexFile* odf : oat_file->GetOatDexFiles()) { 2050 std::string error_msg; 2051 const DexFile* dex_file = odf->OpenDexFile(&error_msg); 2052 CHECK(dex_file != nullptr) << error_msg; 2053 class_linker->RegisterDexFile(*dex_file); 2054 dex_files.push_back(dex_file); 2055 } 2056 2057 // Need a class loader. 2058 soa.Env()->AllocObject(WellKnownClasses::dalvik_system_PathClassLoader); 2059 ScopedLocalRef<jobject> class_loader_local(soa.Env(), 2060 soa.Env()->AllocObject(WellKnownClasses::dalvik_system_PathClassLoader)); 2061 jobject class_loader = soa.Env()->NewGlobalRef(class_loader_local.get()); 2062 // Fake that we're a compiler. 2063 runtime->SetCompileTimeClassPath(class_loader, dex_files); 2064 2065 // Use the class loader while dumping. 2066 StackHandleScope<1> scope(self); 2067 Handle<mirror::ClassLoader> loader_handle = scope.NewHandle( 2068 soa.Decode<mirror::ClassLoader*>(class_loader)); 2069 options->class_loader_ = &loader_handle; 2070 2071 OatDumper oat_dumper(*oat_file, options); 2072 bool success = oat_dumper.Dump(*os); 2073 return (success) ? EXIT_SUCCESS : EXIT_FAILURE; 2074} 2075 2076static int DumpOatWithoutRuntime(OatFile* oat_file, OatDumperOptions* options, std::ostream* os) { 2077 // No image = no class loader. 2078 NullHandle<mirror::ClassLoader> null_class_loader; 2079 options->class_loader_ = &null_class_loader; 2080 2081 OatDumper oat_dumper(*oat_file, options); 2082 bool success = oat_dumper.Dump(*os); 2083 return (success) ? EXIT_SUCCESS : EXIT_FAILURE; 2084} 2085 2086static int DumpOat(Runtime* runtime, const char* oat_filename, OatDumperOptions* options, 2087 std::ostream* os) { 2088 std::string error_msg; 2089 OatFile* oat_file = OatFile::Open(oat_filename, oat_filename, nullptr, false, &error_msg); 2090 if (oat_file == nullptr) { 2091 fprintf(stderr, "Failed to open oat file from '%s': %s\n", oat_filename, error_msg.c_str()); 2092 return EXIT_FAILURE; 2093 } 2094 2095 if (runtime != nullptr) { 2096 return DumpOatWithRuntime(runtime, oat_file, options, os); 2097 } else { 2098 return DumpOatWithoutRuntime(oat_file, options, os); 2099 } 2100} 2101 2102static int SymbolizeOat(const char* oat_filename, std::string& output_name) { 2103 std::string error_msg; 2104 OatFile* oat_file = OatFile::Open(oat_filename, oat_filename, nullptr, false, &error_msg); 2105 if (oat_file == nullptr) { 2106 fprintf(stderr, "Failed to open oat file from '%s': %s\n", oat_filename, error_msg.c_str()); 2107 return EXIT_FAILURE; 2108 } 2109 2110 OatSymbolizer oat_symbolizer(oat_file, output_name); 2111 if (!oat_symbolizer.Init()) { 2112 fprintf(stderr, "Failed to initialize symbolizer\n"); 2113 return EXIT_FAILURE; 2114 } 2115 if (!oat_symbolizer.Symbolize()) { 2116 fprintf(stderr, "Failed to symbolize\n"); 2117 return EXIT_FAILURE; 2118 } 2119 2120 return EXIT_SUCCESS; 2121} 2122 2123struct OatdumpArgs { 2124 bool Parse(int argc, char** argv) { 2125 // Skip over argv[0]. 2126 argv++; 2127 argc--; 2128 2129 if (argc == 0) { 2130 fprintf(stderr, "No arguments specified\n"); 2131 usage(); 2132 return false; 2133 } 2134 2135 for (int i = 0; i < argc; i++) { 2136 const StringPiece option(argv[i]); 2137 if (option.starts_with("--oat-file=")) { 2138 oat_filename_ = option.substr(strlen("--oat-file=")).data(); 2139 } else if (option.starts_with("--image=")) { 2140 image_location_ = option.substr(strlen("--image=")).data(); 2141 } else if (option.starts_with("--boot-image=")) { 2142 boot_image_location_ = option.substr(strlen("--boot-image=")).data(); 2143 } else if (option.starts_with("--instruction-set=")) { 2144 StringPiece instruction_set_str = option.substr(strlen("--instruction-set=")).data(); 2145 instruction_set_ = GetInstructionSetFromString(instruction_set_str.data()); 2146 if (instruction_set_ == kNone) { 2147 fprintf(stderr, "Unsupported instruction set %s\n", instruction_set_str.data()); 2148 usage(); 2149 return false; 2150 } 2151 } else if (option =="--dump:raw_mapping_table") { 2152 dump_raw_mapping_table_ = true; 2153 } else if (option == "--dump:raw_gc_map") { 2154 dump_raw_gc_map_ = true; 2155 } else if (option == "--no-dump:vmap") { 2156 dump_vmap_ = false; 2157 } else if (option == "--no-disassemble") { 2158 disassemble_code_ = false; 2159 } else if (option.starts_with("--output=")) { 2160 output_name_ = option.substr(strlen("--output=")).ToString(); 2161 const char* filename = output_name_.c_str(); 2162 out_.reset(new std::ofstream(filename)); 2163 if (!out_->good()) { 2164 fprintf(stderr, "Failed to open output filename %s\n", filename); 2165 usage(); 2166 return false; 2167 } 2168 os_ = out_.get(); 2169 } else if (option.starts_with("--symbolize=")) { 2170 oat_filename_ = option.substr(strlen("--symbolize=")).data(); 2171 symbolize_ = true; 2172 } else { 2173 fprintf(stderr, "Unknown argument %s\n", option.data()); 2174 usage(); 2175 return false; 2176 } 2177 } 2178 2179 if (image_location_ == nullptr && oat_filename_ == nullptr) { 2180 fprintf(stderr, "Either --image or --oat must be specified\n"); 2181 return false; 2182 } 2183 2184 if (image_location_ != nullptr && oat_filename_ != nullptr) { 2185 fprintf(stderr, "Either --image or --oat must be specified but not both\n"); 2186 return false; 2187 } 2188 2189 return true; 2190 } 2191 2192 const char* oat_filename_ = nullptr; 2193 const char* image_location_ = nullptr; 2194 const char* boot_image_location_ = nullptr; 2195 InstructionSet instruction_set_ = kRuntimeISA; 2196 std::string elf_filename_prefix_; 2197 std::ostream* os_ = &std::cout; 2198 std::unique_ptr<std::ofstream> out_; 2199 std::string output_name_; 2200 bool dump_raw_mapping_table_ = false; 2201 bool dump_raw_gc_map_ = false; 2202 bool dump_vmap_ = true; 2203 bool disassemble_code_ = true; 2204 bool symbolize_ = false; 2205}; 2206 2207static int oatdump(int argc, char** argv) { 2208 InitLogging(argv); 2209 2210 OatdumpArgs args; 2211 if (!args.Parse(argc, argv)) { 2212 return EXIT_FAILURE; 2213 } 2214 2215 // If we are only doing the oat file, disable absolute_addresses. Keep them for image dumping. 2216 bool absolute_addresses = (args.oat_filename_ == nullptr); 2217 2218 std::unique_ptr<OatDumperOptions> oat_dumper_options(new OatDumperOptions( 2219 args.dump_raw_mapping_table_, 2220 args.dump_raw_gc_map_, 2221 args.dump_vmap_, 2222 args.disassemble_code_, 2223 absolute_addresses, 2224 nullptr)); 2225 2226 std::unique_ptr<Runtime> runtime; 2227 if ((args.boot_image_location_ != nullptr || args.image_location_ != nullptr) && 2228 !args.symbolize_) { 2229 // If we have a boot image option, try to start the runtime; except when just symbolizing. 2230 runtime.reset(StartRuntime(args.boot_image_location_, 2231 args.image_location_, 2232 args.instruction_set_)); 2233 } 2234 2235 if (args.oat_filename_ != nullptr) { 2236 if (args.symbolize_) { 2237 return SymbolizeOat(args.oat_filename_, args.output_name_); 2238 } else { 2239 return DumpOat(runtime.get(), args.oat_filename_, oat_dumper_options.release(), args.os_); 2240 } 2241 } 2242 2243 if (runtime.get() == nullptr) { 2244 // We need the runtime when printing an image. 2245 return EXIT_FAILURE; 2246 } 2247 2248 return DumpImage(runtime.get(), args.image_location_, oat_dumper_options.release(), args.os_); 2249} 2250 2251} // namespace art 2252 2253int main(int argc, char** argv) { 2254 return art::oatdump(argc, argv); 2255} 2256