oatdump.cc revision e7c9a8c2b8481aafbc6af4ce6229bd361ba24742
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 "kImtUnimplementedMethod", 116 "kDefaultImt", 117 "kCalleeSaveMethod", 118 "kRefsOnlySaveMethod", 119 "kRefsAndArgsSaveMethod", 120 "kDexCaches", 121 "kClassRoots", 122}; 123 124class OatSymbolizer FINAL : public CodeOutput { 125 public: 126 explicit OatSymbolizer(const OatFile* oat_file, const std::string& output_name) : 127 oat_file_(oat_file), builder_(nullptr), elf_output_(nullptr), 128 output_name_(output_name.empty() ? "symbolized.oat" : output_name) { 129 } 130 131 bool Init() { 132 Elf32_Word oat_data_size = oat_file_->GetOatHeader().GetExecutableOffset(); 133 134 uint32_t diff = static_cast<uint32_t>(oat_file_->End() - oat_file_->Begin()); 135 uint32_t oat_exec_size = diff - oat_data_size; 136 137 elf_output_ = OS::CreateEmptyFile(output_name_.c_str()); 138 139 builder_.reset(new ElfBuilder<Elf32_Word, Elf32_Sword, Elf32_Addr, Elf32_Dyn, 140 Elf32_Sym, Elf32_Ehdr, Elf32_Phdr, Elf32_Shdr>( 141 this, 142 elf_output_, 143 oat_file_->GetOatHeader().GetInstructionSet(), 144 0, 145 oat_data_size, 146 oat_data_size, 147 oat_exec_size, 148 true, 149 false)); 150 151 if (!builder_->Init()) { 152 builder_.reset(nullptr); 153 return false; 154 } 155 156 return true; 157 } 158 159 typedef void (OatSymbolizer::*Callback)(const DexFile::ClassDef&, 160 uint32_t, 161 const OatFile::OatMethod&, 162 const DexFile&, 163 uint32_t, 164 const DexFile::CodeItem*, 165 uint32_t); 166 167 bool Symbolize() { 168 if (builder_.get() == nullptr) { 169 return false; 170 } 171 172 Walk(&art::OatSymbolizer::RegisterForDedup); 173 174 NormalizeState(); 175 176 Walk(&art::OatSymbolizer::AddSymbol); 177 178 bool result = builder_->Write(); 179 180 elf_output_->Flush(); 181 elf_output_->Close(); 182 183 return result; 184 } 185 186 void Walk(Callback callback) { 187 std::vector<const OatFile::OatDexFile*> oat_dex_files = oat_file_->GetOatDexFiles(); 188 for (size_t i = 0; i < oat_dex_files.size(); i++) { 189 const OatFile::OatDexFile* oat_dex_file = oat_dex_files[i]; 190 CHECK(oat_dex_file != NULL); 191 WalkOatDexFile(oat_dex_file, callback); 192 } 193 } 194 195 void WalkOatDexFile(const OatFile::OatDexFile* oat_dex_file, Callback callback) { 196 std::string error_msg; 197 std::unique_ptr<const DexFile> dex_file(oat_dex_file->OpenDexFile(&error_msg)); 198 if (dex_file.get() == nullptr) { 199 return; 200 } 201 for (size_t class_def_index = 0; 202 class_def_index < dex_file->NumClassDefs(); 203 class_def_index++) { 204 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); 205 const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(class_def_index); 206 OatClassType type = oat_class.GetType(); 207 switch (type) { 208 case kOatClassAllCompiled: 209 case kOatClassSomeCompiled: 210 WalkOatClass(oat_class, *dex_file.get(), class_def, callback); 211 break; 212 213 case kOatClassNoneCompiled: 214 case kOatClassMax: 215 // Ignore. 216 break; 217 } 218 } 219 } 220 221 void WalkOatClass(const OatFile::OatClass& oat_class, const DexFile& dex_file, 222 const DexFile::ClassDef& class_def, Callback callback) { 223 const uint8_t* class_data = dex_file.GetClassData(class_def); 224 if (class_data == nullptr) { // empty class such as a marker interface? 225 return; 226 } 227 // Note: even if this is an interface or a native class, we still have to walk it, as there 228 // might be a static initializer. 229 ClassDataItemIterator it(dex_file, class_data); 230 SkipAllFields(&it); 231 uint32_t class_method_idx = 0; 232 while (it.HasNextDirectMethod()) { 233 const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_idx); 234 WalkOatMethod(class_def, class_method_idx, oat_method, dex_file, it.GetMemberIndex(), 235 it.GetMethodCodeItem(), it.GetMethodAccessFlags(), callback); 236 class_method_idx++; 237 it.Next(); 238 } 239 while (it.HasNextVirtualMethod()) { 240 const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_idx); 241 WalkOatMethod(class_def, class_method_idx, oat_method, dex_file, it.GetMemberIndex(), 242 it.GetMethodCodeItem(), it.GetMethodAccessFlags(), callback); 243 class_method_idx++; 244 it.Next(); 245 } 246 DCHECK(!it.HasNext()); 247 } 248 249 void WalkOatMethod(const DexFile::ClassDef& class_def, uint32_t class_method_index, 250 const OatFile::OatMethod& oat_method, const DexFile& dex_file, 251 uint32_t dex_method_idx, const DexFile::CodeItem* code_item, 252 uint32_t method_access_flags, Callback callback) { 253 if ((method_access_flags & kAccAbstract) != 0) { 254 // Abstract method, no code. 255 return; 256 } 257 if (oat_method.GetCodeOffset() == 0) { 258 // No code. 259 return; 260 } 261 262 (this->*callback)(class_def, class_method_index, oat_method, dex_file, dex_method_idx, code_item, 263 method_access_flags); 264 } 265 266 void RegisterForDedup(const DexFile::ClassDef& class_def ATTRIBUTE_UNUSED, 267 uint32_t class_method_index ATTRIBUTE_UNUSED, 268 const OatFile::OatMethod& oat_method, 269 const DexFile& dex_file ATTRIBUTE_UNUSED, 270 uint32_t dex_method_idx ATTRIBUTE_UNUSED, 271 const DexFile::CodeItem* code_item ATTRIBUTE_UNUSED, 272 uint32_t method_access_flags ATTRIBUTE_UNUSED) { 273 state_[oat_method.GetCodeOffset()]++; 274 } 275 276 void NormalizeState() { 277 for (auto& x : state_) { 278 if (x.second == 1) { 279 state_[x.first] = 0; 280 } 281 } 282 } 283 284 enum class DedupState { // private 285 kNotDeduplicated, 286 kDeduplicatedFirst, 287 kDeduplicatedOther 288 }; 289 DedupState IsDuplicated(uint32_t offset) { 290 if (state_[offset] == 0) { 291 return DedupState::kNotDeduplicated; 292 } 293 if (state_[offset] == 1) { 294 return DedupState::kDeduplicatedOther; 295 } 296 state_[offset] = 1; 297 return DedupState::kDeduplicatedFirst; 298 } 299 300 void AddSymbol(const DexFile::ClassDef& class_def ATTRIBUTE_UNUSED, 301 uint32_t class_method_index ATTRIBUTE_UNUSED, 302 const OatFile::OatMethod& oat_method, 303 const DexFile& dex_file, 304 uint32_t dex_method_idx, 305 const DexFile::CodeItem* code_item ATTRIBUTE_UNUSED, 306 uint32_t method_access_flags ATTRIBUTE_UNUSED) { 307 DedupState dedup = IsDuplicated(oat_method.GetCodeOffset()); 308 if (dedup != DedupState::kDeduplicatedOther) { 309 std::string pretty_name = PrettyMethod(dex_method_idx, dex_file, true); 310 311 if (dedup == DedupState::kDeduplicatedFirst) { 312 pretty_name = "[Dedup]" + pretty_name; 313 } 314 315 ElfSymtabBuilder<Elf32_Word, Elf32_Sword, Elf32_Addr, 316 Elf32_Sym, Elf32_Shdr>* symtab = builder_->GetSymtabBuilder(); 317 318 symtab->AddSymbol(pretty_name, &builder_->GetTextBuilder(), 319 oat_method.GetCodeOffset() - oat_file_->GetOatHeader().GetExecutableOffset(), 320 true, oat_method.GetQuickCodeSize(), STB_GLOBAL, STT_FUNC); 321 } 322 } 323 324 // Set oat data offset. Required by ElfBuilder/CodeOutput. 325 void SetCodeOffset(size_t offset ATTRIBUTE_UNUSED) { 326 // Nothing to do. 327 } 328 329 // Write oat code. Required by ElfBuilder/CodeOutput. 330 bool Write(OutputStream* out) { 331 return out->WriteFully(oat_file_->Begin(), oat_file_->End() - oat_file_->Begin()); 332 } 333 334 private: 335 static void SkipAllFields(ClassDataItemIterator* it) { 336 while (it->HasNextStaticField()) { 337 it->Next(); 338 } 339 while (it->HasNextInstanceField()) { 340 it->Next(); 341 } 342 } 343 344 const OatFile* oat_file_; 345 std::unique_ptr<ElfBuilder<Elf32_Word, Elf32_Sword, Elf32_Addr, Elf32_Dyn, 346 Elf32_Sym, Elf32_Ehdr, Elf32_Phdr, Elf32_Shdr> > builder_; 347 File* elf_output_; 348 std::unordered_map<uint32_t, uint32_t> state_; 349 const std::string output_name_; 350}; 351 352class OatDumperOptions { 353 public: 354 OatDumperOptions(bool dump_raw_mapping_table, 355 bool dump_raw_gc_map, 356 bool dump_vmap, 357 bool disassemble_code, 358 bool absolute_addresses, 359 Handle<mirror::ClassLoader>* class_loader) 360 : dump_raw_mapping_table_(dump_raw_mapping_table), 361 dump_raw_gc_map_(dump_raw_gc_map), 362 dump_vmap_(dump_vmap), 363 disassemble_code_(disassemble_code), 364 absolute_addresses_(absolute_addresses), 365 class_loader_(class_loader) {} 366 367 const bool dump_raw_mapping_table_; 368 const bool dump_raw_gc_map_; 369 const bool dump_vmap_; 370 const bool disassemble_code_; 371 const bool absolute_addresses_; 372 Handle<mirror::ClassLoader>* class_loader_; 373}; 374 375class OatDumper { 376 public: 377 explicit OatDumper(const OatFile& oat_file, OatDumperOptions* options) 378 : oat_file_(oat_file), 379 oat_dex_files_(oat_file.GetOatDexFiles()), 380 options_(options), 381 disassembler_(Disassembler::Create(oat_file_.GetOatHeader().GetInstructionSet(), 382 new DisassemblerOptions(options_->absolute_addresses_, 383 oat_file.Begin()))) { 384 CHECK(options_->class_loader_ != nullptr); 385 AddAllOffsets(); 386 } 387 388 ~OatDumper() { 389 delete options_; 390 delete disassembler_; 391 } 392 393 bool Dump(std::ostream& os) { 394 bool success = true; 395 const OatHeader& oat_header = oat_file_.GetOatHeader(); 396 397 os << "MAGIC:\n"; 398 os << oat_header.GetMagic() << "\n\n"; 399 400 os << "CHECKSUM:\n"; 401 os << StringPrintf("0x%08x\n\n", oat_header.GetChecksum()); 402 403 os << "INSTRUCTION SET:\n"; 404 os << oat_header.GetInstructionSet() << "\n\n"; 405 406 { 407 std::unique_ptr<const InstructionSetFeatures> features( 408 InstructionSetFeatures::FromBitmap(oat_header.GetInstructionSet(), 409 oat_header.GetInstructionSetFeaturesBitmap())); 410 os << "INSTRUCTION SET FEATURES:\n"; 411 os << features->GetFeatureString() << "\n\n"; 412 } 413 414 os << "DEX FILE COUNT:\n"; 415 os << oat_header.GetDexFileCount() << "\n\n"; 416 417#define DUMP_OAT_HEADER_OFFSET(label, offset) \ 418 os << label " OFFSET:\n"; \ 419 os << StringPrintf("0x%08x", oat_header.offset()); \ 420 if (oat_header.offset() != 0 && options_->absolute_addresses_) { \ 421 os << StringPrintf(" (%p)", oat_file_.Begin() + oat_header.offset()); \ 422 } \ 423 os << StringPrintf("\n\n"); 424 425 DUMP_OAT_HEADER_OFFSET("EXECUTABLE", GetExecutableOffset); 426 DUMP_OAT_HEADER_OFFSET("INTERPRETER TO INTERPRETER BRIDGE", 427 GetInterpreterToInterpreterBridgeOffset); 428 DUMP_OAT_HEADER_OFFSET("INTERPRETER TO COMPILED CODE BRIDGE", 429 GetInterpreterToCompiledCodeBridgeOffset); 430 DUMP_OAT_HEADER_OFFSET("JNI DLSYM LOOKUP", 431 GetJniDlsymLookupOffset); 432 DUMP_OAT_HEADER_OFFSET("PORTABLE IMT CONFLICT TRAMPOLINE", 433 GetPortableImtConflictTrampolineOffset); 434 DUMP_OAT_HEADER_OFFSET("PORTABLE RESOLUTION TRAMPOLINE", 435 GetPortableResolutionTrampolineOffset); 436 DUMP_OAT_HEADER_OFFSET("PORTABLE TO INTERPRETER BRIDGE", 437 GetPortableToInterpreterBridgeOffset); 438 DUMP_OAT_HEADER_OFFSET("QUICK GENERIC JNI TRAMPOLINE", 439 GetQuickGenericJniTrampolineOffset); 440 DUMP_OAT_HEADER_OFFSET("QUICK IMT CONFLICT TRAMPOLINE", 441 GetQuickImtConflictTrampolineOffset); 442 DUMP_OAT_HEADER_OFFSET("QUICK RESOLUTION TRAMPOLINE", 443 GetQuickResolutionTrampolineOffset); 444 DUMP_OAT_HEADER_OFFSET("QUICK TO INTERPRETER BRIDGE", 445 GetQuickToInterpreterBridgeOffset); 446#undef DUMP_OAT_HEADER_OFFSET 447 448 os << "IMAGE PATCH DELTA:\n"; 449 os << StringPrintf("%d (0x%08x)\n\n", 450 oat_header.GetImagePatchDelta(), 451 oat_header.GetImagePatchDelta()); 452 453 os << "IMAGE FILE LOCATION OAT CHECKSUM:\n"; 454 os << StringPrintf("0x%08x\n\n", oat_header.GetImageFileLocationOatChecksum()); 455 456 os << "IMAGE FILE LOCATION OAT BEGIN:\n"; 457 os << StringPrintf("0x%08x\n\n", oat_header.GetImageFileLocationOatDataBegin()); 458 459 // Print the key-value store. 460 { 461 os << "KEY VALUE STORE:\n"; 462 size_t index = 0; 463 const char* key; 464 const char* value; 465 while (oat_header.GetStoreKeyValuePairByIndex(index, &key, &value)) { 466 os << key << " = " << value << "\n"; 467 index++; 468 } 469 os << "\n"; 470 } 471 472 if (options_->absolute_addresses_) { 473 os << "BEGIN:\n"; 474 os << reinterpret_cast<const void*>(oat_file_.Begin()) << "\n\n"; 475 476 os << "END:\n"; 477 os << reinterpret_cast<const void*>(oat_file_.End()) << "\n\n"; 478 } 479 480 os << "SIZE:\n"; 481 os << oat_file_.Size() << "\n\n"; 482 483 os << std::flush; 484 485 for (size_t i = 0; i < oat_dex_files_.size(); i++) { 486 const OatFile::OatDexFile* oat_dex_file = oat_dex_files_[i]; 487 CHECK(oat_dex_file != nullptr); 488 if (!DumpOatDexFile(os, *oat_dex_file)) { 489 success = false; 490 } 491 } 492 os << std::flush; 493 return success; 494 } 495 496 size_t ComputeSize(const void* oat_data) { 497 if (reinterpret_cast<const uint8_t*>(oat_data) < oat_file_.Begin() || 498 reinterpret_cast<const uint8_t*>(oat_data) > oat_file_.End()) { 499 return 0; // Address not in oat file 500 } 501 uintptr_t begin_offset = reinterpret_cast<uintptr_t>(oat_data) - 502 reinterpret_cast<uintptr_t>(oat_file_.Begin()); 503 auto it = offsets_.upper_bound(begin_offset); 504 CHECK(it != offsets_.end()); 505 uintptr_t end_offset = *it; 506 return end_offset - begin_offset; 507 } 508 509 InstructionSet GetInstructionSet() { 510 return oat_file_.GetOatHeader().GetInstructionSet(); 511 } 512 513 const void* GetQuickOatCode(mirror::ArtMethod* m) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 514 for (size_t i = 0; i < oat_dex_files_.size(); i++) { 515 const OatFile::OatDexFile* oat_dex_file = oat_dex_files_[i]; 516 CHECK(oat_dex_file != nullptr); 517 std::string error_msg; 518 std::unique_ptr<const DexFile> dex_file(oat_dex_file->OpenDexFile(&error_msg)); 519 if (dex_file.get() == nullptr) { 520 LOG(WARNING) << "Failed to open dex file '" << oat_dex_file->GetDexFileLocation() 521 << "': " << error_msg; 522 } else { 523 const char* descriptor = m->GetDeclaringClassDescriptor(); 524 const DexFile::ClassDef* class_def = 525 dex_file->FindClassDef(descriptor, ComputeModifiedUtf8Hash(descriptor)); 526 if (class_def != nullptr) { 527 uint16_t class_def_index = dex_file->GetIndexForClassDef(*class_def); 528 const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(class_def_index); 529 size_t method_index = m->GetMethodIndex(); 530 return oat_class.GetOatMethod(method_index).GetQuickCode(); 531 } 532 } 533 } 534 return nullptr; 535 } 536 537 private: 538 void AddAllOffsets() { 539 // We don't know the length of the code for each method, but we need to know where to stop 540 // when disassembling. What we do know is that a region of code will be followed by some other 541 // region, so if we keep a sorted sequence of the start of each region, we can infer the length 542 // of a piece of code by using upper_bound to find the start of the next region. 543 for (size_t i = 0; i < oat_dex_files_.size(); i++) { 544 const OatFile::OatDexFile* oat_dex_file = oat_dex_files_[i]; 545 CHECK(oat_dex_file != nullptr); 546 std::string error_msg; 547 std::unique_ptr<const DexFile> dex_file(oat_dex_file->OpenDexFile(&error_msg)); 548 if (dex_file.get() == nullptr) { 549 LOG(WARNING) << "Failed to open dex file '" << oat_dex_file->GetDexFileLocation() 550 << "': " << error_msg; 551 continue; 552 } 553 offsets_.insert(reinterpret_cast<uintptr_t>(&dex_file->GetHeader())); 554 for (size_t class_def_index = 0; 555 class_def_index < dex_file->NumClassDefs(); 556 class_def_index++) { 557 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); 558 const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(class_def_index); 559 const uint8_t* class_data = dex_file->GetClassData(class_def); 560 if (class_data != nullptr) { 561 ClassDataItemIterator it(*dex_file, class_data); 562 SkipAllFields(it); 563 uint32_t class_method_index = 0; 564 while (it.HasNextDirectMethod()) { 565 AddOffsets(oat_class.GetOatMethod(class_method_index++)); 566 it.Next(); 567 } 568 while (it.HasNextVirtualMethod()) { 569 AddOffsets(oat_class.GetOatMethod(class_method_index++)); 570 it.Next(); 571 } 572 } 573 } 574 } 575 576 // If the last thing in the file is code for a method, there won't be an offset for the "next" 577 // thing. Instead of having a special case in the upper_bound code, let's just add an entry 578 // for the end of the file. 579 offsets_.insert(oat_file_.Size()); 580 } 581 582 static uint32_t AlignCodeOffset(uint32_t maybe_thumb_offset) { 583 return maybe_thumb_offset & ~0x1; // TODO: Make this Thumb2 specific. 584 } 585 586 void AddOffsets(const OatFile::OatMethod& oat_method) { 587 uint32_t code_offset = oat_method.GetCodeOffset(); 588 if (oat_file_.GetOatHeader().GetInstructionSet() == kThumb2) { 589 code_offset &= ~0x1; 590 } 591 offsets_.insert(code_offset); 592 offsets_.insert(oat_method.GetMappingTableOffset()); 593 offsets_.insert(oat_method.GetVmapTableOffset()); 594 offsets_.insert(oat_method.GetNativeGcMapOffset()); 595 } 596 597 bool DumpOatDexFile(std::ostream& os, const OatFile::OatDexFile& oat_dex_file) { 598 bool success = true; 599 os << "OatDexFile:\n"; 600 os << StringPrintf("location: %s\n", oat_dex_file.GetDexFileLocation().c_str()); 601 os << StringPrintf("checksum: 0x%08x\n", oat_dex_file.GetDexFileLocationChecksum()); 602 603 // Create the verifier early. 604 605 std::string error_msg; 606 std::unique_ptr<const DexFile> dex_file(oat_dex_file.OpenDexFile(&error_msg)); 607 if (dex_file.get() == nullptr) { 608 os << "NOT FOUND: " << error_msg << "\n\n"; 609 os << std::flush; 610 return false; 611 } 612 for (size_t class_def_index = 0; 613 class_def_index < dex_file->NumClassDefs(); 614 class_def_index++) { 615 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); 616 const char* descriptor = dex_file->GetClassDescriptor(class_def); 617 uint32_t oat_class_offset = oat_dex_file.GetOatClassOffset(class_def_index); 618 const OatFile::OatClass oat_class = oat_dex_file.GetOatClass(class_def_index); 619 os << StringPrintf("%zd: %s (offset=0x%08x) (type_idx=%d)", 620 class_def_index, descriptor, oat_class_offset, class_def.class_idx_) 621 << " (" << oat_class.GetStatus() << ")" 622 << " (" << oat_class.GetType() << ")\n"; 623 // TODO: include bitmap here if type is kOatClassSomeCompiled? 624 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 625 std::ostream indented_os(&indent_filter); 626 if (!DumpOatClass(indented_os, oat_class, *(dex_file.get()), class_def)) { 627 success = false; 628 } 629 } 630 631 os << std::flush; 632 return success; 633 } 634 635 static void SkipAllFields(ClassDataItemIterator& it) { 636 while (it.HasNextStaticField()) { 637 it.Next(); 638 } 639 while (it.HasNextInstanceField()) { 640 it.Next(); 641 } 642 } 643 644 bool DumpOatClass(std::ostream& os, const OatFile::OatClass& oat_class, const DexFile& dex_file, 645 const DexFile::ClassDef& class_def) { 646 bool success = true; 647 const uint8_t* class_data = dex_file.GetClassData(class_def); 648 if (class_data == nullptr) { // empty class such as a marker interface? 649 os << std::flush; 650 return success; 651 } 652 ClassDataItemIterator it(dex_file, class_data); 653 SkipAllFields(it); 654 uint32_t class_method_index = 0; 655 while (it.HasNextDirectMethod()) { 656 if (!DumpOatMethod(os, class_def, class_method_index, oat_class, dex_file, 657 it.GetMemberIndex(), it.GetMethodCodeItem(), 658 it.GetRawMemberAccessFlags())) { 659 success = false; 660 } 661 class_method_index++; 662 it.Next(); 663 } 664 while (it.HasNextVirtualMethod()) { 665 if (!DumpOatMethod(os, class_def, class_method_index, oat_class, dex_file, 666 it.GetMemberIndex(), it.GetMethodCodeItem(), 667 it.GetRawMemberAccessFlags())) { 668 success = false; 669 } 670 class_method_index++; 671 it.Next(); 672 } 673 DCHECK(!it.HasNext()); 674 os << std::flush; 675 return success; 676 } 677 678 static constexpr uint32_t kPrologueBytes = 16; 679 680 // When this was picked, the largest arm method was 55,256 bytes and arm64 was 50,412 bytes. 681 static constexpr uint32_t kMaxCodeSize = 100 * 1000; 682 683 bool DumpOatMethod(std::ostream& os, const DexFile::ClassDef& class_def, 684 uint32_t class_method_index, 685 const OatFile::OatClass& oat_class, const DexFile& dex_file, 686 uint32_t dex_method_idx, const DexFile::CodeItem* code_item, 687 uint32_t method_access_flags) { 688 bool success = true; 689 os << StringPrintf("%d: %s (dex_method_idx=%d)\n", 690 class_method_index, PrettyMethod(dex_method_idx, dex_file, true).c_str(), 691 dex_method_idx); 692 Indenter indent1_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 693 std::unique_ptr<std::ostream> indent1_os(new std::ostream(&indent1_filter)); 694 Indenter indent2_filter(indent1_os->rdbuf(), kIndentChar, kIndentBy1Count); 695 std::unique_ptr<std::ostream> indent2_os(new std::ostream(&indent2_filter)); 696 { 697 *indent1_os << "DEX CODE:\n"; 698 DumpDexCode(*indent2_os, dex_file, code_item); 699 } 700 701 std::unique_ptr<verifier::MethodVerifier> verifier; 702 if (Runtime::Current() != nullptr) { 703 *indent1_os << "VERIFIER TYPE ANALYSIS:\n"; 704 verifier.reset(DumpVerifier(*indent2_os, dex_method_idx, &dex_file, class_def, code_item, 705 method_access_flags)); 706 } 707 708 uint32_t oat_method_offsets_offset = oat_class.GetOatMethodOffsetsOffset(class_method_index); 709 const OatMethodOffsets* oat_method_offsets = oat_class.GetOatMethodOffsets(class_method_index); 710 const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_index); 711 { 712 *indent1_os << "OatMethodOffsets "; 713 if (options_->absolute_addresses_) { 714 *indent1_os << StringPrintf("%p ", oat_method_offsets); 715 } 716 *indent1_os << StringPrintf("(offset=0x%08x)\n", oat_method_offsets_offset); 717 if (oat_method_offsets_offset > oat_file_.Size()) { 718 *indent1_os << StringPrintf( 719 "WARNING: oat method offsets offset 0x%08x is past end of file 0x%08zx.\n", 720 oat_method_offsets_offset, oat_file_.Size()); 721 // If we can't read OatMethodOffsets, the rest of the data is dangerous to read. 722 os << std::flush; 723 return false; 724 } 725 726 uint32_t code_offset = oat_method.GetCodeOffset(); 727 *indent2_os << StringPrintf("code_offset: 0x%08x ", code_offset); 728 uint32_t aligned_code_begin = AlignCodeOffset(oat_method.GetCodeOffset()); 729 if (aligned_code_begin > oat_file_.Size()) { 730 *indent2_os << StringPrintf("WARNING: " 731 "code offset 0x%08x is past end of file 0x%08zx.\n", 732 aligned_code_begin, oat_file_.Size()); 733 success = false; 734 } 735 *indent2_os << "\n"; 736 737 *indent2_os << "gc_map: "; 738 if (options_->absolute_addresses_) { 739 *indent2_os << StringPrintf("%p ", oat_method.GetNativeGcMap()); 740 } 741 uint32_t gc_map_offset = oat_method.GetNativeGcMapOffset(); 742 *indent2_os << StringPrintf("(offset=0x%08x)\n", gc_map_offset); 743 if (gc_map_offset > oat_file_.Size()) { 744 *indent2_os << StringPrintf("WARNING: " 745 "gc map table offset 0x%08x is past end of file 0x%08zx.\n", 746 gc_map_offset, oat_file_.Size()); 747 success = false; 748 } else if (options_->dump_raw_gc_map_) { 749 Indenter indent3_filter(indent2_os->rdbuf(), kIndentChar, kIndentBy1Count); 750 std::ostream indent3_os(&indent3_filter); 751 DumpGcMap(indent3_os, oat_method, code_item); 752 } 753 } 754 { 755 *indent1_os << "OatQuickMethodHeader "; 756 uint32_t method_header_offset = oat_method.GetOatQuickMethodHeaderOffset(); 757 const OatQuickMethodHeader* method_header = oat_method.GetOatQuickMethodHeader(); 758 759 if (options_->absolute_addresses_) { 760 *indent1_os << StringPrintf("%p ", method_header); 761 } 762 *indent1_os << StringPrintf("(offset=0x%08x)\n", method_header_offset); 763 if (method_header_offset > oat_file_.Size()) { 764 *indent1_os << StringPrintf( 765 "WARNING: oat quick method header offset 0x%08x is past end of file 0x%08zx.\n", 766 method_header_offset, oat_file_.Size()); 767 // If we can't read the OatQuickMethodHeader, the rest of the data is dangerous to read. 768 os << std::flush; 769 return false; 770 } 771 772 *indent2_os << "mapping_table: "; 773 if (options_->absolute_addresses_) { 774 *indent2_os << StringPrintf("%p ", oat_method.GetMappingTable()); 775 } 776 uint32_t mapping_table_offset = oat_method.GetMappingTableOffset(); 777 *indent2_os << StringPrintf("(offset=0x%08x)\n", oat_method.GetMappingTableOffset()); 778 if (mapping_table_offset > oat_file_.Size()) { 779 *indent2_os << StringPrintf("WARNING: " 780 "mapping table offset 0x%08x is past end of file 0x%08zx. " 781 "mapping table offset was loaded from offset 0x%08x.\n", 782 mapping_table_offset, oat_file_.Size(), 783 oat_method.GetMappingTableOffsetOffset()); 784 success = false; 785 } else if (options_->dump_raw_mapping_table_) { 786 Indenter indent3_filter(indent2_os->rdbuf(), kIndentChar, kIndentBy1Count); 787 std::ostream indent3_os(&indent3_filter); 788 DumpMappingTable(indent3_os, oat_method); 789 } 790 791 *indent2_os << "vmap_table: "; 792 if (options_->absolute_addresses_) { 793 *indent2_os << StringPrintf("%p ", oat_method.GetVmapTable()); 794 } 795 uint32_t vmap_table_offset = oat_method.GetVmapTableOffset(); 796 *indent2_os << StringPrintf("(offset=0x%08x)\n", vmap_table_offset); 797 if (vmap_table_offset > oat_file_.Size()) { 798 *indent2_os << StringPrintf("WARNING: " 799 "vmap table offset 0x%08x is past end of file 0x%08zx. " 800 "vmap table offset was loaded from offset 0x%08x.\n", 801 vmap_table_offset, oat_file_.Size(), 802 oat_method.GetVmapTableOffsetOffset()); 803 success = false; 804 } else if (options_->dump_vmap_) { 805 DumpVmap(*indent2_os, oat_method); 806 } 807 } 808 { 809 *indent1_os << "QuickMethodFrameInfo\n"; 810 811 *indent2_os << StringPrintf("frame_size_in_bytes: %zd\n", oat_method.GetFrameSizeInBytes()); 812 *indent2_os << StringPrintf("core_spill_mask: 0x%08x ", oat_method.GetCoreSpillMask()); 813 DumpSpillMask(*indent2_os, oat_method.GetCoreSpillMask(), false); 814 *indent2_os << "\n"; 815 *indent2_os << StringPrintf("fp_spill_mask: 0x%08x ", oat_method.GetFpSpillMask()); 816 DumpSpillMask(*indent2_os, oat_method.GetFpSpillMask(), true); 817 *indent2_os << "\n"; 818 } 819 { 820 // Based on spill masks from QuickMethodFrameInfo so placed 821 // after it is dumped, but useful for understanding quick 822 // code, so dumped here. 823 DumpVregLocations(*indent2_os, oat_method, code_item); 824 } 825 { 826 *indent1_os << "CODE: "; 827 uint32_t code_size_offset = oat_method.GetQuickCodeSizeOffset(); 828 if (code_size_offset > oat_file_.Size()) { 829 *indent2_os << StringPrintf("WARNING: " 830 "code size offset 0x%08x is past end of file 0x%08zx.", 831 code_size_offset, oat_file_.Size()); 832 success = false; 833 } else { 834 const void* code = oat_method.GetQuickCode(); 835 uint32_t code_size = oat_method.GetQuickCodeSize(); 836 if (code == nullptr) { 837 code = oat_method.GetPortableCode(); 838 code_size = oat_method.GetPortableCodeSize(); 839 code_size_offset = 0; 840 } 841 uint32_t code_offset = oat_method.GetCodeOffset(); 842 uint32_t aligned_code_begin = AlignCodeOffset(code_offset); 843 uint64_t aligned_code_end = aligned_code_begin + code_size; 844 845 if (options_->absolute_addresses_) { 846 *indent1_os << StringPrintf("%p ", code); 847 } 848 *indent1_os << StringPrintf("(code_offset=0x%08x size_offset=0x%08x size=%u)%s\n", 849 code_offset, 850 code_size_offset, 851 code_size, 852 code != nullptr ? "..." : ""); 853 854 if (aligned_code_begin > oat_file_.Size()) { 855 *indent2_os << StringPrintf("WARNING: " 856 "start of code at 0x%08x is past end of file 0x%08zx.", 857 aligned_code_begin, oat_file_.Size()); 858 success = false; 859 } else if (aligned_code_end > oat_file_.Size()) { 860 *indent2_os << StringPrintf("WARNING: " 861 "end of code at 0x%08" PRIx64 " is past end of file 0x%08zx. " 862 "code size is 0x%08x loaded from offset 0x%08x.\n", 863 aligned_code_end, oat_file_.Size(), 864 code_size, code_size_offset); 865 success = false; 866 if (options_->disassemble_code_) { 867 if (code_size_offset + kPrologueBytes <= oat_file_.Size()) { 868 DumpCode(*indent2_os, verifier.get(), oat_method, code_item, true, kPrologueBytes); 869 } 870 } 871 } else if (code_size > kMaxCodeSize) { 872 *indent2_os << StringPrintf("WARNING: " 873 "code size %d is bigger than max expected threshold of %d. " 874 "code size is 0x%08x loaded from offset 0x%08x.\n", 875 code_size, kMaxCodeSize, 876 code_size, code_size_offset); 877 success = false; 878 if (options_->disassemble_code_) { 879 if (code_size_offset + kPrologueBytes <= oat_file_.Size()) { 880 DumpCode(*indent2_os, verifier.get(), oat_method, code_item, true, kPrologueBytes); 881 } 882 } 883 } else if (options_->disassemble_code_) { 884 DumpCode(*indent2_os, verifier.get(), oat_method, code_item, !success, 0); 885 } 886 } 887 } 888 os << std::flush; 889 return success; 890 } 891 892 void DumpSpillMask(std::ostream& os, uint32_t spill_mask, bool is_float) { 893 if (spill_mask == 0) { 894 return; 895 } 896 os << "("; 897 for (size_t i = 0; i < 32; i++) { 898 if ((spill_mask & (1 << i)) != 0) { 899 if (is_float) { 900 os << "fr" << i; 901 } else { 902 os << "r" << i; 903 } 904 spill_mask ^= 1 << i; // clear bit 905 if (spill_mask != 0) { 906 os << ", "; 907 } else { 908 break; 909 } 910 } 911 } 912 os << ")"; 913 } 914 915 void DumpVmap(std::ostream& os, const OatFile::OatMethod& oat_method) { 916 // If the native GC map is null, then this method has been compiled with the 917 // optimizing compiler. The optimizing compiler currently outputs its stack map 918 // in the vmap table, and the code below does not work with such a stack map. 919 if (oat_method.GetNativeGcMap() == nullptr) { 920 return; 921 } 922 const uint8_t* raw_table = oat_method.GetVmapTable(); 923 if (raw_table != nullptr) { 924 const VmapTable vmap_table(raw_table); 925 bool first = true; 926 bool processing_fp = false; 927 uint32_t spill_mask = oat_method.GetCoreSpillMask(); 928 for (size_t i = 0; i < vmap_table.Size(); i++) { 929 uint16_t dex_reg = vmap_table[i]; 930 uint32_t cpu_reg = vmap_table.ComputeRegister(spill_mask, i, 931 processing_fp ? kFloatVReg : kIntVReg); 932 os << (first ? "v" : ", v") << dex_reg; 933 if (!processing_fp) { 934 os << "/r" << cpu_reg; 935 } else { 936 os << "/fr" << cpu_reg; 937 } 938 first = false; 939 if (!processing_fp && dex_reg == 0xFFFF) { 940 processing_fp = true; 941 spill_mask = oat_method.GetFpSpillMask(); 942 } 943 } 944 os << "\n"; 945 } 946 } 947 948 void DumpVregLocations(std::ostream& os, const OatFile::OatMethod& oat_method, 949 const DexFile::CodeItem* code_item) { 950 if (code_item != nullptr) { 951 size_t num_locals_ins = code_item->registers_size_; 952 size_t num_ins = code_item->ins_size_; 953 size_t num_locals = num_locals_ins - num_ins; 954 size_t num_outs = code_item->outs_size_; 955 956 os << "vr_stack_locations:"; 957 for (size_t reg = 0; reg <= num_locals_ins; reg++) { 958 // For readability, delimit the different kinds of VRs. 959 if (reg == num_locals_ins) { 960 os << "\n\tmethod*:"; 961 } else if (reg == num_locals && num_ins > 0) { 962 os << "\n\tins:"; 963 } else if (reg == 0 && num_locals > 0) { 964 os << "\n\tlocals:"; 965 } 966 967 uint32_t offset = StackVisitor::GetVRegOffset(code_item, oat_method.GetCoreSpillMask(), 968 oat_method.GetFpSpillMask(), 969 oat_method.GetFrameSizeInBytes(), reg, 970 GetInstructionSet()); 971 os << " v" << reg << "[sp + #" << offset << "]"; 972 } 973 974 for (size_t out_reg = 0; out_reg < num_outs; out_reg++) { 975 if (out_reg == 0) { 976 os << "\n\touts:"; 977 } 978 979 uint32_t offset = StackVisitor::GetOutVROffset(out_reg, GetInstructionSet()); 980 os << " v" << out_reg << "[sp + #" << offset << "]"; 981 } 982 983 os << "\n"; 984 } 985 } 986 987 void DescribeVReg(std::ostream& os, const OatFile::OatMethod& oat_method, 988 const DexFile::CodeItem* code_item, size_t reg, VRegKind kind) { 989 const uint8_t* raw_table = oat_method.GetVmapTable(); 990 if (raw_table != nullptr) { 991 const VmapTable vmap_table(raw_table); 992 uint32_t vmap_offset; 993 if (vmap_table.IsInContext(reg, kind, &vmap_offset)) { 994 bool is_float = (kind == kFloatVReg) || (kind == kDoubleLoVReg) || (kind == kDoubleHiVReg); 995 uint32_t spill_mask = is_float ? oat_method.GetFpSpillMask() 996 : oat_method.GetCoreSpillMask(); 997 os << (is_float ? "fr" : "r") << vmap_table.ComputeRegister(spill_mask, vmap_offset, kind); 998 } else { 999 uint32_t offset = StackVisitor::GetVRegOffset(code_item, oat_method.GetCoreSpillMask(), 1000 oat_method.GetFpSpillMask(), 1001 oat_method.GetFrameSizeInBytes(), reg, 1002 GetInstructionSet()); 1003 os << "[sp + #" << offset << "]"; 1004 } 1005 } 1006 } 1007 1008 void DumpGcMapRegisters(std::ostream& os, const OatFile::OatMethod& oat_method, 1009 const DexFile::CodeItem* code_item, 1010 size_t num_regs, const uint8_t* reg_bitmap) { 1011 bool first = true; 1012 for (size_t reg = 0; reg < num_regs; reg++) { 1013 if (((reg_bitmap[reg / 8] >> (reg % 8)) & 0x01) != 0) { 1014 if (first) { 1015 os << " v" << reg << " ("; 1016 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 1017 os << ")"; 1018 first = false; 1019 } else { 1020 os << ", v" << reg << " ("; 1021 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 1022 os << ")"; 1023 } 1024 } 1025 } 1026 if (first) { 1027 os << "No registers in GC map\n"; 1028 } else { 1029 os << "\n"; 1030 } 1031 } 1032 void DumpGcMap(std::ostream& os, const OatFile::OatMethod& oat_method, 1033 const DexFile::CodeItem* code_item) { 1034 const uint8_t* gc_map_raw = oat_method.GetNativeGcMap(); 1035 if (gc_map_raw == nullptr) { 1036 return; // No GC map. 1037 } 1038 const void* quick_code = oat_method.GetQuickCode(); 1039 if (quick_code != nullptr) { 1040 NativePcOffsetToReferenceMap map(gc_map_raw); 1041 for (size_t entry = 0; entry < map.NumEntries(); entry++) { 1042 const uint8_t* native_pc = reinterpret_cast<const uint8_t*>(quick_code) + 1043 map.GetNativePcOffset(entry); 1044 os << StringPrintf("%p", native_pc); 1045 DumpGcMapRegisters(os, oat_method, code_item, map.RegWidth() * 8, map.GetBitMap(entry)); 1046 } 1047 } else { 1048 const void* portable_code = oat_method.GetPortableCode(); 1049 CHECK(portable_code != nullptr); 1050 verifier::DexPcToReferenceMap map(gc_map_raw); 1051 for (size_t entry = 0; entry < map.NumEntries(); entry++) { 1052 uint32_t dex_pc = map.GetDexPc(entry); 1053 os << StringPrintf("0x%08x", dex_pc); 1054 DumpGcMapRegisters(os, oat_method, code_item, map.RegWidth() * 8, map.GetBitMap(entry)); 1055 } 1056 } 1057 } 1058 1059 void DumpMappingTable(std::ostream& os, const OatFile::OatMethod& oat_method) { 1060 const void* quick_code = oat_method.GetQuickCode(); 1061 if (quick_code == nullptr) { 1062 return; 1063 } 1064 MappingTable table(oat_method.GetMappingTable()); 1065 if (table.TotalSize() != 0) { 1066 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 1067 std::ostream indent_os(&indent_filter); 1068 if (table.PcToDexSize() != 0) { 1069 typedef MappingTable::PcToDexIterator It; 1070 os << "suspend point mappings {\n"; 1071 for (It cur = table.PcToDexBegin(), end = table.PcToDexEnd(); cur != end; ++cur) { 1072 indent_os << StringPrintf("0x%04x -> 0x%04x\n", cur.NativePcOffset(), cur.DexPc()); 1073 } 1074 os << "}\n"; 1075 } 1076 if (table.DexToPcSize() != 0) { 1077 typedef MappingTable::DexToPcIterator It; 1078 os << "catch entry mappings {\n"; 1079 for (It cur = table.DexToPcBegin(), end = table.DexToPcEnd(); cur != end; ++cur) { 1080 indent_os << StringPrintf("0x%04x -> 0x%04x\n", cur.NativePcOffset(), cur.DexPc()); 1081 } 1082 os << "}\n"; 1083 } 1084 } 1085 } 1086 1087 uint32_t DumpMappingAtOffset(std::ostream& os, const OatFile::OatMethod& oat_method, 1088 size_t offset, bool suspend_point_mapping) { 1089 MappingTable table(oat_method.GetMappingTable()); 1090 if (suspend_point_mapping && table.PcToDexSize() > 0) { 1091 typedef MappingTable::PcToDexIterator It; 1092 for (It cur = table.PcToDexBegin(), end = table.PcToDexEnd(); cur != end; ++cur) { 1093 if (offset == cur.NativePcOffset()) { 1094 os << StringPrintf("suspend point dex PC: 0x%04x\n", cur.DexPc()); 1095 return cur.DexPc(); 1096 } 1097 } 1098 } else if (!suspend_point_mapping && table.DexToPcSize() > 0) { 1099 typedef MappingTable::DexToPcIterator It; 1100 for (It cur = table.DexToPcBegin(), end = table.DexToPcEnd(); cur != end; ++cur) { 1101 if (offset == cur.NativePcOffset()) { 1102 os << StringPrintf("catch entry dex PC: 0x%04x\n", cur.DexPc()); 1103 return cur.DexPc(); 1104 } 1105 } 1106 } 1107 return DexFile::kDexNoIndex; 1108 } 1109 1110 void DumpGcMapAtNativePcOffset(std::ostream& os, const OatFile::OatMethod& oat_method, 1111 const DexFile::CodeItem* code_item, size_t native_pc_offset) { 1112 const uint8_t* gc_map_raw = oat_method.GetNativeGcMap(); 1113 if (gc_map_raw != nullptr) { 1114 NativePcOffsetToReferenceMap map(gc_map_raw); 1115 if (map.HasEntry(native_pc_offset)) { 1116 size_t num_regs = map.RegWidth() * 8; 1117 const uint8_t* reg_bitmap = map.FindBitMap(native_pc_offset); 1118 bool first = true; 1119 for (size_t reg = 0; reg < num_regs; reg++) { 1120 if (((reg_bitmap[reg / 8] >> (reg % 8)) & 0x01) != 0) { 1121 if (first) { 1122 os << "GC map objects: v" << reg << " ("; 1123 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 1124 os << ")"; 1125 first = false; 1126 } else { 1127 os << ", v" << reg << " ("; 1128 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 1129 os << ")"; 1130 } 1131 } 1132 } 1133 if (!first) { 1134 os << "\n"; 1135 } 1136 } 1137 } 1138 } 1139 1140 void DumpVRegsAtDexPc(std::ostream& os, verifier::MethodVerifier* verifier, 1141 const OatFile::OatMethod& oat_method, 1142 const DexFile::CodeItem* code_item, uint32_t dex_pc) { 1143 DCHECK(verifier != nullptr); 1144 std::vector<int32_t> kinds = verifier->DescribeVRegs(dex_pc); 1145 bool first = true; 1146 for (size_t reg = 0; reg < code_item->registers_size_; reg++) { 1147 VRegKind kind = static_cast<VRegKind>(kinds.at(reg * 2)); 1148 if (kind != kUndefined) { 1149 if (first) { 1150 os << "VRegs: v"; 1151 first = false; 1152 } else { 1153 os << ", v"; 1154 } 1155 os << reg << " ("; 1156 switch (kind) { 1157 case kImpreciseConstant: 1158 os << "Imprecise Constant: " << kinds.at((reg * 2) + 1) << ", "; 1159 DescribeVReg(os, oat_method, code_item, reg, kind); 1160 break; 1161 case kConstant: 1162 os << "Constant: " << kinds.at((reg * 2) + 1); 1163 break; 1164 default: 1165 DescribeVReg(os, oat_method, code_item, reg, kind); 1166 break; 1167 } 1168 os << ")"; 1169 } 1170 } 1171 if (!first) { 1172 os << "\n"; 1173 } 1174 } 1175 1176 1177 void DumpDexCode(std::ostream& os, const DexFile& dex_file, const DexFile::CodeItem* code_item) { 1178 if (code_item != nullptr) { 1179 size_t i = 0; 1180 while (i < code_item->insns_size_in_code_units_) { 1181 const Instruction* instruction = Instruction::At(&code_item->insns_[i]); 1182 os << StringPrintf("0x%04zx: %s\n", i, instruction->DumpString(&dex_file).c_str()); 1183 i += instruction->SizeInCodeUnits(); 1184 } 1185 } 1186 } 1187 1188 verifier::MethodVerifier* DumpVerifier(std::ostream& os, uint32_t dex_method_idx, 1189 const DexFile* dex_file, 1190 const DexFile::ClassDef& class_def, 1191 const DexFile::CodeItem* code_item, 1192 uint32_t method_access_flags) { 1193 if ((method_access_flags & kAccNative) == 0) { 1194 ScopedObjectAccess soa(Thread::Current()); 1195 StackHandleScope<1> hs(soa.Self()); 1196 Handle<mirror::DexCache> dex_cache( 1197 hs.NewHandle(Runtime::Current()->GetClassLinker()->FindDexCache(*dex_file))); 1198 DCHECK(options_->class_loader_ != nullptr); 1199 return verifier::MethodVerifier::VerifyMethodAndDump(soa.Self(), os, dex_method_idx, dex_file, 1200 dex_cache, 1201 *options_->class_loader_, 1202 &class_def, code_item, 1203 NullHandle<mirror::ArtMethod>(), 1204 method_access_flags); 1205 } 1206 1207 return nullptr; 1208 } 1209 1210 void DumpCode(std::ostream& os, verifier::MethodVerifier* verifier, 1211 const OatFile::OatMethod& oat_method, const DexFile::CodeItem* code_item, 1212 bool bad_input, size_t code_size) { 1213 const void* portable_code = oat_method.GetPortableCode(); 1214 const void* quick_code = oat_method.GetQuickCode(); 1215 1216 if (code_size == 0) { 1217 code_size = oat_method.GetQuickCodeSize(); 1218 } 1219 if ((code_size == 0) || ((portable_code == nullptr) && (quick_code == nullptr))) { 1220 os << "NO CODE!\n"; 1221 return; 1222 } else if (quick_code != nullptr) { 1223 const uint8_t* quick_native_pc = reinterpret_cast<const uint8_t*>(quick_code); 1224 size_t offset = 0; 1225 while (offset < code_size) { 1226 if (!bad_input) { 1227 DumpMappingAtOffset(os, oat_method, offset, false); 1228 } 1229 offset += disassembler_->Dump(os, quick_native_pc + offset); 1230 if (!bad_input) { 1231 uint32_t dex_pc = DumpMappingAtOffset(os, oat_method, offset, true); 1232 if (dex_pc != DexFile::kDexNoIndex) { 1233 DumpGcMapAtNativePcOffset(os, oat_method, code_item, offset); 1234 if (verifier != nullptr) { 1235 DumpVRegsAtDexPc(os, verifier, oat_method, code_item, dex_pc); 1236 } 1237 } 1238 } 1239 } 1240 } else { 1241 CHECK(portable_code != nullptr); 1242 CHECK_EQ(code_size, 0U); // TODO: disassembly of portable is currently not supported. 1243 } 1244 } 1245 1246 const OatFile& oat_file_; 1247 const std::vector<const OatFile::OatDexFile*> oat_dex_files_; 1248 const OatDumperOptions* options_; 1249 std::set<uintptr_t> offsets_; 1250 Disassembler* disassembler_; 1251}; 1252 1253class ImageDumper { 1254 public: 1255 explicit ImageDumper(std::ostream* os, gc::space::ImageSpace& image_space, 1256 const ImageHeader& image_header, OatDumperOptions* oat_dumper_options) 1257 : os_(os), 1258 image_space_(image_space), 1259 image_header_(image_header), 1260 oat_dumper_options_(oat_dumper_options) {} 1261 1262 bool Dump() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1263 std::ostream& os = *os_; 1264 os << "MAGIC: " << image_header_.GetMagic() << "\n\n"; 1265 1266 os << "IMAGE BEGIN: " << reinterpret_cast<void*>(image_header_.GetImageBegin()) << "\n\n"; 1267 1268 os << "IMAGE BITMAP OFFSET: " << reinterpret_cast<void*>(image_header_.GetImageBitmapOffset()) 1269 << " SIZE: " << reinterpret_cast<void*>(image_header_.GetImageBitmapSize()) << "\n\n"; 1270 1271 os << "OAT CHECKSUM: " << StringPrintf("0x%08x\n\n", image_header_.GetOatChecksum()); 1272 1273 os << "OAT FILE BEGIN:" << reinterpret_cast<void*>(image_header_.GetOatFileBegin()) << "\n\n"; 1274 1275 os << "OAT DATA BEGIN:" << reinterpret_cast<void*>(image_header_.GetOatDataBegin()) << "\n\n"; 1276 1277 os << "OAT DATA END:" << reinterpret_cast<void*>(image_header_.GetOatDataEnd()) << "\n\n"; 1278 1279 os << "OAT FILE END:" << reinterpret_cast<void*>(image_header_.GetOatFileEnd()) << "\n\n"; 1280 1281 os << "PATCH DELTA:" << image_header_.GetPatchDelta() << "\n\n"; 1282 1283 os << "COMPILE PIC: " << (image_header_.CompilePic() ? "yes" : "no") << "\n\n"; 1284 1285 { 1286 os << "ROOTS: " << reinterpret_cast<void*>(image_header_.GetImageRoots()) << "\n"; 1287 Indenter indent1_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 1288 std::ostream indent1_os(&indent1_filter); 1289 CHECK_EQ(arraysize(image_roots_descriptions_), size_t(ImageHeader::kImageRootsMax)); 1290 for (int i = 0; i < ImageHeader::kImageRootsMax; i++) { 1291 ImageHeader::ImageRoot image_root = static_cast<ImageHeader::ImageRoot>(i); 1292 const char* image_root_description = image_roots_descriptions_[i]; 1293 mirror::Object* image_root_object = image_header_.GetImageRoot(image_root); 1294 indent1_os << StringPrintf("%s: %p\n", image_root_description, image_root_object); 1295 if (image_root_object->IsObjectArray()) { 1296 Indenter indent2_filter(indent1_os.rdbuf(), kIndentChar, kIndentBy1Count); 1297 std::ostream indent2_os(&indent2_filter); 1298 mirror::ObjectArray<mirror::Object>* image_root_object_array 1299 = image_root_object->AsObjectArray<mirror::Object>(); 1300 for (int j = 0; j < image_root_object_array->GetLength(); j++) { 1301 mirror::Object* value = image_root_object_array->Get(j); 1302 size_t run = 0; 1303 for (int32_t k = j + 1; k < image_root_object_array->GetLength(); k++) { 1304 if (value == image_root_object_array->Get(k)) { 1305 run++; 1306 } else { 1307 break; 1308 } 1309 } 1310 if (run == 0) { 1311 indent2_os << StringPrintf("%d: ", j); 1312 } else { 1313 indent2_os << StringPrintf("%d to %zd: ", j, j + run); 1314 j = j + run; 1315 } 1316 if (value != nullptr) { 1317 PrettyObjectValue(indent2_os, value->GetClass(), value); 1318 } else { 1319 indent2_os << j << ": null\n"; 1320 } 1321 } 1322 } 1323 } 1324 } 1325 os << "\n"; 1326 1327 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1328 std::string image_filename = image_space_.GetImageFilename(); 1329 std::string oat_location = ImageHeader::GetOatLocationFromImageLocation(image_filename); 1330 os << "OAT LOCATION: " << oat_location; 1331 os << "\n"; 1332 std::string error_msg; 1333 const OatFile* oat_file = class_linker->FindOpenedOatFileFromOatLocation(oat_location); 1334 if (oat_file == nullptr) { 1335 oat_file = OatFile::Open(oat_location, oat_location, nullptr, nullptr, false, &error_msg); 1336 if (oat_file == nullptr) { 1337 os << "NOT FOUND: " << error_msg << "\n"; 1338 return false; 1339 } 1340 } 1341 os << "\n"; 1342 1343 stats_.oat_file_bytes = oat_file->Size(); 1344 1345 oat_dumper_.reset(new OatDumper(*oat_file, oat_dumper_options_.release())); 1346 1347 for (const OatFile::OatDexFile* oat_dex_file : oat_file->GetOatDexFiles()) { 1348 CHECK(oat_dex_file != nullptr); 1349 stats_.oat_dex_file_sizes.push_back(std::make_pair(oat_dex_file->GetDexFileLocation(), 1350 oat_dex_file->FileSize())); 1351 } 1352 1353 os << "OBJECTS:\n" << std::flush; 1354 1355 // Loop through all the image spaces and dump their objects. 1356 gc::Heap* heap = Runtime::Current()->GetHeap(); 1357 const std::vector<gc::space::ContinuousSpace*>& spaces = heap->GetContinuousSpaces(); 1358 Thread* self = Thread::Current(); 1359 { 1360 { 1361 WriterMutexLock mu(self, *Locks::heap_bitmap_lock_); 1362 heap->FlushAllocStack(); 1363 } 1364 // Since FlushAllocStack() above resets the (active) allocation 1365 // stack. Need to revoke the thread-local allocation stacks that 1366 // point into it. 1367 { 1368 self->TransitionFromRunnableToSuspended(kNative); 1369 ThreadList* thread_list = Runtime::Current()->GetThreadList(); 1370 thread_list->SuspendAll(); 1371 heap->RevokeAllThreadLocalAllocationStacks(self); 1372 thread_list->ResumeAll(); 1373 self->TransitionFromSuspendedToRunnable(); 1374 } 1375 } 1376 { 1377 std::ostream* saved_os = os_; 1378 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 1379 std::ostream indent_os(&indent_filter); 1380 os_ = &indent_os; 1381 ReaderMutexLock mu(self, *Locks::heap_bitmap_lock_); 1382 for (const auto& space : spaces) { 1383 if (space->IsImageSpace()) { 1384 gc::space::ImageSpace* image_space = space->AsImageSpace(); 1385 image_space->GetLiveBitmap()->Walk(ImageDumper::Callback, this); 1386 indent_os << "\n"; 1387 } 1388 } 1389 // Dump the large objects separately. 1390 heap->GetLargeObjectsSpace()->GetLiveBitmap()->Walk(ImageDumper::Callback, this); 1391 indent_os << "\n"; 1392 os_ = saved_os; 1393 } 1394 os << "STATS:\n" << std::flush; 1395 std::unique_ptr<File> file(OS::OpenFileForReading(image_filename.c_str())); 1396 if (file.get() == nullptr) { 1397 LOG(WARNING) << "Failed to find image in " << image_filename; 1398 } 1399 if (file.get() != nullptr) { 1400 stats_.file_bytes = file->GetLength(); 1401 } 1402 size_t header_bytes = sizeof(ImageHeader); 1403 stats_.header_bytes = header_bytes; 1404 size_t alignment_bytes = RoundUp(header_bytes, kObjectAlignment) - header_bytes; 1405 stats_.alignment_bytes += alignment_bytes; 1406 stats_.alignment_bytes += image_header_.GetImageBitmapOffset() - image_header_.GetImageSize(); 1407 stats_.bitmap_bytes += image_header_.GetImageBitmapSize(); 1408 stats_.Dump(os); 1409 os << "\n"; 1410 1411 os << std::flush; 1412 1413 return oat_dumper_->Dump(os); 1414 } 1415 1416 private: 1417 static void PrettyObjectValue(std::ostream& os, mirror::Class* type, mirror::Object* value) 1418 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1419 CHECK(type != nullptr); 1420 if (value == nullptr) { 1421 os << StringPrintf("null %s\n", PrettyDescriptor(type).c_str()); 1422 } else if (type->IsStringClass()) { 1423 mirror::String* string = value->AsString(); 1424 os << StringPrintf("%p String: %s\n", string, 1425 PrintableString(string->ToModifiedUtf8().c_str()).c_str()); 1426 } else if (type->IsClassClass()) { 1427 mirror::Class* klass = value->AsClass(); 1428 os << StringPrintf("%p Class: %s\n", klass, PrettyDescriptor(klass).c_str()); 1429 } else if (type->IsArtFieldClass()) { 1430 mirror::ArtField* field = value->AsArtField(); 1431 os << StringPrintf("%p Field: %s\n", field, PrettyField(field).c_str()); 1432 } else if (type->IsArtMethodClass()) { 1433 mirror::ArtMethod* method = value->AsArtMethod(); 1434 os << StringPrintf("%p Method: %s\n", method, PrettyMethod(method).c_str()); 1435 } else { 1436 os << StringPrintf("%p %s\n", value, PrettyDescriptor(type).c_str()); 1437 } 1438 } 1439 1440 static void PrintField(std::ostream& os, mirror::ArtField* field, mirror::Object* obj) 1441 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1442 const char* descriptor = field->GetTypeDescriptor(); 1443 os << StringPrintf("%s: ", field->GetName()); 1444 if (descriptor[0] != 'L' && descriptor[0] != '[') { 1445 StackHandleScope<1> hs(Thread::Current()); 1446 FieldHelper fh(hs.NewHandle(field)); 1447 mirror::Class* type = fh.GetType(); 1448 DCHECK(type->IsPrimitive()); 1449 if (type->IsPrimitiveLong()) { 1450 os << StringPrintf("%" PRId64 " (0x%" PRIx64 ")\n", field->Get64(obj), field->Get64(obj)); 1451 } else if (type->IsPrimitiveDouble()) { 1452 os << StringPrintf("%f (%a)\n", field->GetDouble(obj), field->GetDouble(obj)); 1453 } else if (type->IsPrimitiveFloat()) { 1454 os << StringPrintf("%f (%a)\n", field->GetFloat(obj), field->GetFloat(obj)); 1455 } else if (type->IsPrimitiveInt()) { 1456 os << StringPrintf("%d (0x%x)\n", field->Get32(obj), field->Get32(obj)); 1457 } else if (type->IsPrimitiveChar()) { 1458 os << StringPrintf("%u (0x%x)\n", field->GetChar(obj), field->GetChar(obj)); 1459 } else if (type->IsPrimitiveShort()) { 1460 os << StringPrintf("%d (0x%x)\n", field->GetShort(obj), field->GetShort(obj)); 1461 } else if (type->IsPrimitiveBoolean()) { 1462 os << StringPrintf("%s (0x%x)\n", field->GetBoolean(obj)? "true" : "false", 1463 field->GetBoolean(obj)); 1464 } else if (type->IsPrimitiveByte()) { 1465 os << StringPrintf("%d (0x%x)\n", field->GetByte(obj), field->GetByte(obj)); 1466 } else { 1467 LOG(FATAL) << "Unknown type: " << PrettyClass(type); 1468 } 1469 } else { 1470 // Get the value, don't compute the type unless it is non-null as we don't want 1471 // to cause class loading. 1472 mirror::Object* value = field->GetObj(obj); 1473 if (value == nullptr) { 1474 os << StringPrintf("null %s\n", PrettyDescriptor(descriptor).c_str()); 1475 } else { 1476 // Grab the field type without causing resolution. 1477 StackHandleScope<1> hs(Thread::Current()); 1478 FieldHelper fh(hs.NewHandle(field)); 1479 mirror::Class* field_type = fh.GetType(false); 1480 if (field_type != nullptr) { 1481 PrettyObjectValue(os, field_type, value); 1482 } else { 1483 os << StringPrintf("%p %s\n", value, PrettyDescriptor(descriptor).c_str()); 1484 } 1485 } 1486 } 1487 } 1488 1489 static void DumpFields(std::ostream& os, mirror::Object* obj, mirror::Class* klass) 1490 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1491 mirror::Class* super = klass->GetSuperClass(); 1492 if (super != nullptr) { 1493 DumpFields(os, obj, super); 1494 } 1495 mirror::ObjectArray<mirror::ArtField>* fields = klass->GetIFields(); 1496 if (fields != nullptr) { 1497 for (int32_t i = 0; i < fields->GetLength(); i++) { 1498 mirror::ArtField* field = fields->Get(i); 1499 PrintField(os, field, obj); 1500 } 1501 } 1502 } 1503 1504 bool InDumpSpace(const mirror::Object* object) { 1505 return image_space_.Contains(object); 1506 } 1507 1508 const void* GetQuickOatCodeBegin(mirror::ArtMethod* m) 1509 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1510 const void* quick_code = m->GetEntryPointFromQuickCompiledCode(); 1511 if (Runtime::Current()->GetClassLinker()->IsQuickResolutionStub(quick_code)) { 1512 quick_code = oat_dumper_->GetQuickOatCode(m); 1513 } 1514 if (oat_dumper_->GetInstructionSet() == kThumb2) { 1515 quick_code = reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(quick_code) & ~0x1); 1516 } 1517 return quick_code; 1518 } 1519 1520 uint32_t GetQuickOatCodeSize(mirror::ArtMethod* m) 1521 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1522 const uint32_t* oat_code_begin = reinterpret_cast<const uint32_t*>(GetQuickOatCodeBegin(m)); 1523 if (oat_code_begin == nullptr) { 1524 return 0; 1525 } 1526 return oat_code_begin[-1]; 1527 } 1528 1529 const void* GetQuickOatCodeEnd(mirror::ArtMethod* m) 1530 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1531 const uint8_t* oat_code_begin = reinterpret_cast<const uint8_t*>(GetQuickOatCodeBegin(m)); 1532 if (oat_code_begin == nullptr) { 1533 return nullptr; 1534 } 1535 return oat_code_begin + GetQuickOatCodeSize(m); 1536 } 1537 1538 static void Callback(mirror::Object* obj, void* arg) 1539 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1540 DCHECK(obj != nullptr); 1541 DCHECK(arg != nullptr); 1542 ImageDumper* state = reinterpret_cast<ImageDumper*>(arg); 1543 if (!state->InDumpSpace(obj)) { 1544 return; 1545 } 1546 1547 size_t object_bytes = obj->SizeOf(); 1548 size_t alignment_bytes = RoundUp(object_bytes, kObjectAlignment) - object_bytes; 1549 state->stats_.object_bytes += object_bytes; 1550 state->stats_.alignment_bytes += alignment_bytes; 1551 1552 std::ostream& os = *state->os_; 1553 mirror::Class* obj_class = obj->GetClass(); 1554 if (obj_class->IsArrayClass()) { 1555 os << StringPrintf("%p: %s length:%d\n", obj, PrettyDescriptor(obj_class).c_str(), 1556 obj->AsArray()->GetLength()); 1557 } else if (obj->IsClass()) { 1558 mirror::Class* klass = obj->AsClass(); 1559 os << StringPrintf("%p: java.lang.Class \"%s\" (", obj, PrettyDescriptor(klass).c_str()) 1560 << klass->GetStatus() << ")\n"; 1561 } else if (obj->IsArtField()) { 1562 os << StringPrintf("%p: java.lang.reflect.ArtField %s\n", obj, 1563 PrettyField(obj->AsArtField()).c_str()); 1564 } else if (obj->IsArtMethod()) { 1565 os << StringPrintf("%p: java.lang.reflect.ArtMethod %s\n", obj, 1566 PrettyMethod(obj->AsArtMethod()).c_str()); 1567 } else if (obj_class->IsStringClass()) { 1568 os << StringPrintf("%p: java.lang.String %s\n", obj, 1569 PrintableString(obj->AsString()->ToModifiedUtf8().c_str()).c_str()); 1570 } else { 1571 os << StringPrintf("%p: %s\n", obj, PrettyDescriptor(obj_class).c_str()); 1572 } 1573 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 1574 std::ostream indent_os(&indent_filter); 1575 DumpFields(indent_os, obj, obj_class); 1576 if (obj->IsObjectArray()) { 1577 mirror::ObjectArray<mirror::Object>* obj_array = obj->AsObjectArray<mirror::Object>(); 1578 int32_t length = obj_array->GetLength(); 1579 for (int32_t i = 0; i < length; i++) { 1580 mirror::Object* value = obj_array->Get(i); 1581 size_t run = 0; 1582 for (int32_t j = i + 1; j < length; j++) { 1583 if (value == obj_array->Get(j)) { 1584 run++; 1585 } else { 1586 break; 1587 } 1588 } 1589 if (run == 0) { 1590 indent_os << StringPrintf("%d: ", i); 1591 } else { 1592 indent_os << StringPrintf("%d to %zd: ", i, i + run); 1593 i = i + run; 1594 } 1595 mirror::Class* value_class = 1596 (value == nullptr) ? obj_class->GetComponentType() : value->GetClass(); 1597 PrettyObjectValue(indent_os, value_class, value); 1598 } 1599 } else if (obj->IsClass()) { 1600 mirror::ObjectArray<mirror::ArtField>* sfields = obj->AsClass()->GetSFields(); 1601 if (sfields != nullptr) { 1602 indent_os << "STATICS:\n"; 1603 Indenter indent2_filter(indent_os.rdbuf(), kIndentChar, kIndentBy1Count); 1604 std::ostream indent2_os(&indent2_filter); 1605 for (int32_t i = 0; i < sfields->GetLength(); i++) { 1606 mirror::ArtField* field = sfields->Get(i); 1607 PrintField(indent2_os, field, field->GetDeclaringClass()); 1608 } 1609 } 1610 } else if (obj->IsArtMethod()) { 1611 mirror::ArtMethod* method = obj->AsArtMethod(); 1612 if (method->IsNative()) { 1613 // TODO: portable dumping. 1614 DCHECK(method->GetNativeGcMap() == nullptr) << PrettyMethod(method); 1615 DCHECK(method->GetMappingTable() == nullptr) << PrettyMethod(method); 1616 bool first_occurrence; 1617 const void* quick_oat_code = state->GetQuickOatCodeBegin(method); 1618 uint32_t quick_oat_code_size = state->GetQuickOatCodeSize(method); 1619 state->ComputeOatSize(quick_oat_code, &first_occurrence); 1620 if (first_occurrence) { 1621 state->stats_.native_to_managed_code_bytes += quick_oat_code_size; 1622 } 1623 if (quick_oat_code != method->GetEntryPointFromQuickCompiledCode()) { 1624 indent_os << StringPrintf("OAT CODE: %p\n", quick_oat_code); 1625 } 1626 } else if (method->IsAbstract() || method->IsCalleeSaveMethod() || 1627 method->IsResolutionMethod() || method->IsImtConflictMethod() || 1628 method->IsImtUnimplementedMethod() || method->IsClassInitializer()) { 1629 DCHECK(method->GetNativeGcMap() == nullptr) << PrettyMethod(method); 1630 DCHECK(method->GetMappingTable() == nullptr) << PrettyMethod(method); 1631 } else { 1632 const DexFile::CodeItem* code_item = method->GetCodeItem(); 1633 size_t dex_instruction_bytes = code_item->insns_size_in_code_units_ * 2; 1634 state->stats_.dex_instruction_bytes += dex_instruction_bytes; 1635 1636 bool first_occurrence; 1637 size_t gc_map_bytes = state->ComputeOatSize(method->GetNativeGcMap(), &first_occurrence); 1638 if (first_occurrence) { 1639 state->stats_.gc_map_bytes += gc_map_bytes; 1640 } 1641 1642 size_t pc_mapping_table_bytes = 1643 state->ComputeOatSize(method->GetMappingTable(), &first_occurrence); 1644 if (first_occurrence) { 1645 state->stats_.pc_mapping_table_bytes += pc_mapping_table_bytes; 1646 } 1647 1648 size_t vmap_table_bytes = 1649 state->ComputeOatSize(method->GetVmapTable(), &first_occurrence); 1650 if (first_occurrence) { 1651 state->stats_.vmap_table_bytes += vmap_table_bytes; 1652 } 1653 1654 // TODO: portable dumping. 1655 const void* quick_oat_code_begin = state->GetQuickOatCodeBegin(method); 1656 const void* quick_oat_code_end = state->GetQuickOatCodeEnd(method); 1657 uint32_t quick_oat_code_size = state->GetQuickOatCodeSize(method); 1658 state->ComputeOatSize(quick_oat_code_begin, &first_occurrence); 1659 if (first_occurrence) { 1660 state->stats_.managed_code_bytes += quick_oat_code_size; 1661 if (method->IsConstructor()) { 1662 if (method->IsStatic()) { 1663 state->stats_.class_initializer_code_bytes += quick_oat_code_size; 1664 } else if (dex_instruction_bytes > kLargeConstructorDexBytes) { 1665 state->stats_.large_initializer_code_bytes += quick_oat_code_size; 1666 } 1667 } else if (dex_instruction_bytes > kLargeMethodDexBytes) { 1668 state->stats_.large_method_code_bytes += quick_oat_code_size; 1669 } 1670 } 1671 state->stats_.managed_code_bytes_ignoring_deduplication += quick_oat_code_size; 1672 1673 indent_os << StringPrintf("OAT CODE: %p-%p\n", quick_oat_code_begin, quick_oat_code_end); 1674 indent_os << StringPrintf("SIZE: Dex Instructions=%zd GC=%zd Mapping=%zd\n", 1675 dex_instruction_bytes, gc_map_bytes, pc_mapping_table_bytes); 1676 1677 size_t total_size = dex_instruction_bytes + gc_map_bytes + pc_mapping_table_bytes + 1678 vmap_table_bytes + quick_oat_code_size + object_bytes; 1679 1680 double expansion = 1681 static_cast<double>(quick_oat_code_size) / static_cast<double>(dex_instruction_bytes); 1682 state->stats_.ComputeOutliers(total_size, expansion, method); 1683 } 1684 } 1685 std::string temp; 1686 state->stats_.Update(obj_class->GetDescriptor(&temp), object_bytes); 1687 } 1688 1689 std::set<const void*> already_seen_; 1690 // Compute the size of the given data within the oat file and whether this is the first time 1691 // this data has been requested 1692 size_t ComputeOatSize(const void* oat_data, bool* first_occurrence) { 1693 if (already_seen_.count(oat_data) == 0) { 1694 *first_occurrence = true; 1695 already_seen_.insert(oat_data); 1696 } else { 1697 *first_occurrence = false; 1698 } 1699 return oat_dumper_->ComputeSize(oat_data); 1700 } 1701 1702 public: 1703 struct Stats { 1704 size_t oat_file_bytes; 1705 size_t file_bytes; 1706 1707 size_t header_bytes; 1708 size_t object_bytes; 1709 size_t bitmap_bytes; 1710 size_t alignment_bytes; 1711 1712 size_t managed_code_bytes; 1713 size_t managed_code_bytes_ignoring_deduplication; 1714 size_t managed_to_native_code_bytes; 1715 size_t native_to_managed_code_bytes; 1716 size_t class_initializer_code_bytes; 1717 size_t large_initializer_code_bytes; 1718 size_t large_method_code_bytes; 1719 1720 size_t gc_map_bytes; 1721 size_t pc_mapping_table_bytes; 1722 size_t vmap_table_bytes; 1723 1724 size_t dex_instruction_bytes; 1725 1726 std::vector<mirror::ArtMethod*> method_outlier; 1727 std::vector<size_t> method_outlier_size; 1728 std::vector<double> method_outlier_expansion; 1729 std::vector<std::pair<std::string, size_t>> oat_dex_file_sizes; 1730 1731 explicit Stats() 1732 : oat_file_bytes(0), 1733 file_bytes(0), 1734 header_bytes(0), 1735 object_bytes(0), 1736 bitmap_bytes(0), 1737 alignment_bytes(0), 1738 managed_code_bytes(0), 1739 managed_code_bytes_ignoring_deduplication(0), 1740 managed_to_native_code_bytes(0), 1741 native_to_managed_code_bytes(0), 1742 class_initializer_code_bytes(0), 1743 large_initializer_code_bytes(0), 1744 large_method_code_bytes(0), 1745 gc_map_bytes(0), 1746 pc_mapping_table_bytes(0), 1747 vmap_table_bytes(0), 1748 dex_instruction_bytes(0) {} 1749 1750 struct SizeAndCount { 1751 SizeAndCount(size_t bytes_in, size_t count_in) : bytes(bytes_in), count(count_in) {} 1752 size_t bytes; 1753 size_t count; 1754 }; 1755 typedef SafeMap<std::string, SizeAndCount> SizeAndCountTable; 1756 SizeAndCountTable sizes_and_counts; 1757 1758 void Update(const char* descriptor, size_t object_bytes_in) { 1759 SizeAndCountTable::iterator it = sizes_and_counts.find(descriptor); 1760 if (it != sizes_and_counts.end()) { 1761 it->second.bytes += object_bytes_in; 1762 it->second.count += 1; 1763 } else { 1764 sizes_and_counts.Put(descriptor, SizeAndCount(object_bytes_in, 1)); 1765 } 1766 } 1767 1768 double PercentOfOatBytes(size_t size) { 1769 return (static_cast<double>(size) / static_cast<double>(oat_file_bytes)) * 100; 1770 } 1771 1772 double PercentOfFileBytes(size_t size) { 1773 return (static_cast<double>(size) / static_cast<double>(file_bytes)) * 100; 1774 } 1775 1776 double PercentOfObjectBytes(size_t size) { 1777 return (static_cast<double>(size) / static_cast<double>(object_bytes)) * 100; 1778 } 1779 1780 void ComputeOutliers(size_t total_size, double expansion, mirror::ArtMethod* method) { 1781 method_outlier_size.push_back(total_size); 1782 method_outlier_expansion.push_back(expansion); 1783 method_outlier.push_back(method); 1784 } 1785 1786 void DumpOutliers(std::ostream& os) 1787 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1788 size_t sum_of_sizes = 0; 1789 size_t sum_of_sizes_squared = 0; 1790 size_t sum_of_expansion = 0; 1791 size_t sum_of_expansion_squared = 0; 1792 size_t n = method_outlier_size.size(); 1793 for (size_t i = 0; i < n; i++) { 1794 size_t cur_size = method_outlier_size[i]; 1795 sum_of_sizes += cur_size; 1796 sum_of_sizes_squared += cur_size * cur_size; 1797 double cur_expansion = method_outlier_expansion[i]; 1798 sum_of_expansion += cur_expansion; 1799 sum_of_expansion_squared += cur_expansion * cur_expansion; 1800 } 1801 size_t size_mean = sum_of_sizes / n; 1802 size_t size_variance = (sum_of_sizes_squared - sum_of_sizes * size_mean) / (n - 1); 1803 double expansion_mean = sum_of_expansion / n; 1804 double expansion_variance = 1805 (sum_of_expansion_squared - sum_of_expansion * expansion_mean) / (n - 1); 1806 1807 // Dump methods whose size is a certain number of standard deviations from the mean 1808 size_t dumped_values = 0; 1809 size_t skipped_values = 0; 1810 for (size_t i = 100; i > 0; i--) { // i is the current number of standard deviations 1811 size_t cur_size_variance = i * i * size_variance; 1812 bool first = true; 1813 for (size_t j = 0; j < n; j++) { 1814 size_t cur_size = method_outlier_size[j]; 1815 if (cur_size > size_mean) { 1816 size_t cur_var = cur_size - size_mean; 1817 cur_var = cur_var * cur_var; 1818 if (cur_var > cur_size_variance) { 1819 if (dumped_values > 20) { 1820 if (i == 1) { 1821 skipped_values++; 1822 } else { 1823 i = 2; // jump to counting for 1 standard deviation 1824 break; 1825 } 1826 } else { 1827 if (first) { 1828 os << "\nBig methods (size > " << i << " standard deviations the norm):\n"; 1829 first = false; 1830 } 1831 os << PrettyMethod(method_outlier[j]) << " requires storage of " 1832 << PrettySize(cur_size) << "\n"; 1833 method_outlier_size[j] = 0; // don't consider this method again 1834 dumped_values++; 1835 } 1836 } 1837 } 1838 } 1839 } 1840 if (skipped_values > 0) { 1841 os << "... skipped " << skipped_values 1842 << " methods with size > 1 standard deviation from the norm\n"; 1843 } 1844 os << std::flush; 1845 1846 // Dump methods whose expansion is a certain number of standard deviations from the mean 1847 dumped_values = 0; 1848 skipped_values = 0; 1849 for (size_t i = 10; i > 0; i--) { // i is the current number of standard deviations 1850 double cur_expansion_variance = i * i * expansion_variance; 1851 bool first = true; 1852 for (size_t j = 0; j < n; j++) { 1853 double cur_expansion = method_outlier_expansion[j]; 1854 if (cur_expansion > expansion_mean) { 1855 size_t cur_var = cur_expansion - expansion_mean; 1856 cur_var = cur_var * cur_var; 1857 if (cur_var > cur_expansion_variance) { 1858 if (dumped_values > 20) { 1859 if (i == 1) { 1860 skipped_values++; 1861 } else { 1862 i = 2; // jump to counting for 1 standard deviation 1863 break; 1864 } 1865 } else { 1866 if (first) { 1867 os << "\nLarge expansion methods (size > " << i 1868 << " standard deviations the norm):\n"; 1869 first = false; 1870 } 1871 os << PrettyMethod(method_outlier[j]) << " expanded code by " 1872 << cur_expansion << "\n"; 1873 method_outlier_expansion[j] = 0.0; // don't consider this method again 1874 dumped_values++; 1875 } 1876 } 1877 } 1878 } 1879 } 1880 if (skipped_values > 0) { 1881 os << "... skipped " << skipped_values 1882 << " methods with expansion > 1 standard deviation from the norm\n"; 1883 } 1884 os << "\n" << std::flush; 1885 } 1886 1887 void Dump(std::ostream& os) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1888 { 1889 os << "art_file_bytes = " << PrettySize(file_bytes) << "\n\n" 1890 << "art_file_bytes = header_bytes + object_bytes + alignment_bytes\n"; 1891 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 1892 std::ostream indent_os(&indent_filter); 1893 indent_os << StringPrintf("header_bytes = %8zd (%2.0f%% of art file bytes)\n" 1894 "object_bytes = %8zd (%2.0f%% of art file bytes)\n" 1895 "bitmap_bytes = %8zd (%2.0f%% of art file bytes)\n" 1896 "alignment_bytes = %8zd (%2.0f%% of art file bytes)\n\n", 1897 header_bytes, PercentOfFileBytes(header_bytes), 1898 object_bytes, PercentOfFileBytes(object_bytes), 1899 bitmap_bytes, PercentOfFileBytes(bitmap_bytes), 1900 alignment_bytes, PercentOfFileBytes(alignment_bytes)) 1901 << std::flush; 1902 CHECK_EQ(file_bytes, bitmap_bytes + header_bytes + object_bytes + alignment_bytes); 1903 } 1904 1905 os << "object_bytes breakdown:\n"; 1906 size_t object_bytes_total = 0; 1907 for (const auto& sizes_and_count : sizes_and_counts) { 1908 const std::string& descriptor(sizes_and_count.first); 1909 double average = static_cast<double>(sizes_and_count.second.bytes) / 1910 static_cast<double>(sizes_and_count.second.count); 1911 double percent = PercentOfObjectBytes(sizes_and_count.second.bytes); 1912 os << StringPrintf("%32s %8zd bytes %6zd instances " 1913 "(%4.0f bytes/instance) %2.0f%% of object_bytes\n", 1914 descriptor.c_str(), sizes_and_count.second.bytes, 1915 sizes_and_count.second.count, average, percent); 1916 object_bytes_total += sizes_and_count.second.bytes; 1917 } 1918 os << "\n" << std::flush; 1919 CHECK_EQ(object_bytes, object_bytes_total); 1920 1921 os << StringPrintf("oat_file_bytes = %8zd\n" 1922 "managed_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1923 "managed_to_native_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1924 "native_to_managed_code_bytes = %8zd (%2.0f%% of oat file bytes)\n\n" 1925 "class_initializer_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1926 "large_initializer_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1927 "large_method_code_bytes = %8zd (%2.0f%% of oat file bytes)\n\n", 1928 oat_file_bytes, 1929 managed_code_bytes, 1930 PercentOfOatBytes(managed_code_bytes), 1931 managed_to_native_code_bytes, 1932 PercentOfOatBytes(managed_to_native_code_bytes), 1933 native_to_managed_code_bytes, 1934 PercentOfOatBytes(native_to_managed_code_bytes), 1935 class_initializer_code_bytes, 1936 PercentOfOatBytes(class_initializer_code_bytes), 1937 large_initializer_code_bytes, 1938 PercentOfOatBytes(large_initializer_code_bytes), 1939 large_method_code_bytes, 1940 PercentOfOatBytes(large_method_code_bytes)) 1941 << "DexFile sizes:\n"; 1942 for (const std::pair<std::string, size_t>& oat_dex_file_size : oat_dex_file_sizes) { 1943 os << StringPrintf("%s = %zd (%2.0f%% of oat file bytes)\n", 1944 oat_dex_file_size.first.c_str(), oat_dex_file_size.second, 1945 PercentOfOatBytes(oat_dex_file_size.second)); 1946 } 1947 1948 os << "\n" << StringPrintf("gc_map_bytes = %7zd (%2.0f%% of oat file bytes)\n" 1949 "pc_mapping_table_bytes = %7zd (%2.0f%% of oat file bytes)\n" 1950 "vmap_table_bytes = %7zd (%2.0f%% of oat file bytes)\n\n", 1951 gc_map_bytes, PercentOfOatBytes(gc_map_bytes), 1952 pc_mapping_table_bytes, PercentOfOatBytes(pc_mapping_table_bytes), 1953 vmap_table_bytes, PercentOfOatBytes(vmap_table_bytes)) 1954 << std::flush; 1955 1956 os << StringPrintf("dex_instruction_bytes = %zd\n", dex_instruction_bytes) 1957 << StringPrintf("managed_code_bytes expansion = %.2f (ignoring deduplication %.2f)\n\n", 1958 static_cast<double>(managed_code_bytes) / 1959 static_cast<double>(dex_instruction_bytes), 1960 static_cast<double>(managed_code_bytes_ignoring_deduplication) / 1961 static_cast<double>(dex_instruction_bytes)) 1962 << std::flush; 1963 1964 DumpOutliers(os); 1965 } 1966 } stats_; 1967 1968 private: 1969 enum { 1970 // Number of bytes for a constructor to be considered large. Based on the 1000 basic block 1971 // threshold, we assume 2 bytes per instruction and 2 instructions per block. 1972 kLargeConstructorDexBytes = 4000, 1973 // Number of bytes for a method to be considered large. Based on the 4000 basic block 1974 // threshold, we assume 2 bytes per instruction and 2 instructions per block. 1975 kLargeMethodDexBytes = 16000 1976 }; 1977 std::ostream* os_; 1978 gc::space::ImageSpace& image_space_; 1979 const ImageHeader& image_header_; 1980 std::unique_ptr<OatDumper> oat_dumper_; 1981 std::unique_ptr<OatDumperOptions> oat_dumper_options_; 1982 1983 DISALLOW_COPY_AND_ASSIGN(ImageDumper); 1984}; 1985 1986static NoopCompilerCallbacks callbacks; 1987 1988static Runtime* StartRuntime(const char* boot_image_location, const char* image_location, 1989 InstructionSet instruction_set) { 1990 RuntimeOptions options; 1991 std::string image_option; 1992 std::string oat_option; 1993 std::string boot_image_option; 1994 std::string boot_oat_option; 1995 1996 // We are more like a compiler than a run-time. We don't want to execute code. 1997 options.push_back(std::make_pair("compilercallbacks", &callbacks)); 1998 1999 if (boot_image_location != nullptr) { 2000 boot_image_option += "-Ximage:"; 2001 boot_image_option += boot_image_location; 2002 options.push_back(std::make_pair(boot_image_option.c_str(), nullptr)); 2003 } 2004 if (image_location != nullptr) { 2005 image_option += "-Ximage:"; 2006 image_option += image_location; 2007 options.push_back(std::make_pair(image_option.c_str(), nullptr)); 2008 } 2009 options.push_back( 2010 std::make_pair("imageinstructionset", 2011 reinterpret_cast<const void*>(GetInstructionSetString(instruction_set)))); 2012 2013 if (!Runtime::Create(options, false)) { 2014 fprintf(stderr, "Failed to create runtime\n"); 2015 return nullptr; 2016 } 2017 2018 // Runtime::Create acquired the mutator_lock_ that is normally given away when we Runtime::Start, 2019 // give it away now and then switch to a more manageable ScopedObjectAccess. 2020 Thread::Current()->TransitionFromRunnableToSuspended(kNative); 2021 2022 return Runtime::Current(); 2023} 2024 2025static int DumpImage(Runtime* runtime, const char* image_location, OatDumperOptions* options, 2026 std::ostream* os) { 2027 // Dumping the image, no explicit class loader. 2028 NullHandle<mirror::ClassLoader> null_class_loader; 2029 options->class_loader_ = &null_class_loader; 2030 2031 ScopedObjectAccess soa(Thread::Current()); 2032 gc::Heap* heap = runtime->GetHeap(); 2033 gc::space::ImageSpace* image_space = heap->GetImageSpace(); 2034 CHECK(image_space != nullptr); 2035 const ImageHeader& image_header = image_space->GetImageHeader(); 2036 if (!image_header.IsValid()) { 2037 fprintf(stderr, "Invalid image header %s\n", image_location); 2038 return EXIT_FAILURE; 2039 } 2040 ImageDumper image_dumper(os, *image_space, image_header, options); 2041 bool success = image_dumper.Dump(); 2042 return (success) ? EXIT_SUCCESS : EXIT_FAILURE; 2043} 2044 2045static int DumpOatWithRuntime(Runtime* runtime, OatFile* oat_file, OatDumperOptions* options, 2046 std::ostream* os) { 2047 CHECK(runtime != nullptr && oat_file != nullptr && options != nullptr); 2048 2049 Thread* self = Thread::Current(); 2050 CHECK(self != nullptr); 2051 // Need well-known-classes. 2052 WellKnownClasses::Init(self->GetJniEnv()); 2053 2054 // Need to register dex files to get a working dex cache. 2055 ScopedObjectAccess soa(self); 2056 ClassLinker* class_linker = runtime->GetClassLinker(); 2057 class_linker->RegisterOatFile(oat_file); 2058 std::vector<const DexFile*> dex_files; 2059 for (const OatFile::OatDexFile* odf : oat_file->GetOatDexFiles()) { 2060 std::string error_msg; 2061 const DexFile* dex_file = odf->OpenDexFile(&error_msg); 2062 CHECK(dex_file != nullptr) << error_msg; 2063 class_linker->RegisterDexFile(*dex_file); 2064 dex_files.push_back(dex_file); 2065 } 2066 2067 // Need a class loader. 2068 soa.Env()->AllocObject(WellKnownClasses::dalvik_system_PathClassLoader); 2069 ScopedLocalRef<jobject> class_loader_local(soa.Env(), 2070 soa.Env()->AllocObject(WellKnownClasses::dalvik_system_PathClassLoader)); 2071 jobject class_loader = soa.Env()->NewGlobalRef(class_loader_local.get()); 2072 // Fake that we're a compiler. 2073 runtime->SetCompileTimeClassPath(class_loader, dex_files); 2074 2075 // Use the class loader while dumping. 2076 StackHandleScope<1> scope(self); 2077 Handle<mirror::ClassLoader> loader_handle = scope.NewHandle( 2078 soa.Decode<mirror::ClassLoader*>(class_loader)); 2079 options->class_loader_ = &loader_handle; 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 DumpOatWithoutRuntime(OatFile* oat_file, OatDumperOptions* options, std::ostream* os) { 2087 // No image = no class loader. 2088 NullHandle<mirror::ClassLoader> null_class_loader; 2089 options->class_loader_ = &null_class_loader; 2090 2091 OatDumper oat_dumper(*oat_file, options); 2092 bool success = oat_dumper.Dump(*os); 2093 return (success) ? EXIT_SUCCESS : EXIT_FAILURE; 2094} 2095 2096static int DumpOat(Runtime* runtime, const char* oat_filename, OatDumperOptions* options, 2097 std::ostream* os) { 2098 std::string error_msg; 2099 OatFile* oat_file = OatFile::Open(oat_filename, oat_filename, nullptr, nullptr, false, &error_msg); 2100 if (oat_file == nullptr) { 2101 fprintf(stderr, "Failed to open oat file from '%s': %s\n", oat_filename, error_msg.c_str()); 2102 return EXIT_FAILURE; 2103 } 2104 2105 if (runtime != nullptr) { 2106 return DumpOatWithRuntime(runtime, oat_file, options, os); 2107 } else { 2108 return DumpOatWithoutRuntime(oat_file, options, os); 2109 } 2110} 2111 2112static int SymbolizeOat(const char* oat_filename, std::string& output_name) { 2113 std::string error_msg; 2114 OatFile* oat_file = OatFile::Open(oat_filename, oat_filename, nullptr, nullptr, false, &error_msg); 2115 if (oat_file == nullptr) { 2116 fprintf(stderr, "Failed to open oat file from '%s': %s\n", oat_filename, error_msg.c_str()); 2117 return EXIT_FAILURE; 2118 } 2119 2120 OatSymbolizer oat_symbolizer(oat_file, output_name); 2121 if (!oat_symbolizer.Init()) { 2122 fprintf(stderr, "Failed to initialize symbolizer\n"); 2123 return EXIT_FAILURE; 2124 } 2125 if (!oat_symbolizer.Symbolize()) { 2126 fprintf(stderr, "Failed to symbolize\n"); 2127 return EXIT_FAILURE; 2128 } 2129 2130 return EXIT_SUCCESS; 2131} 2132 2133struct OatdumpArgs { 2134 bool Parse(int argc, char** argv) { 2135 // Skip over argv[0]. 2136 argv++; 2137 argc--; 2138 2139 if (argc == 0) { 2140 fprintf(stderr, "No arguments specified\n"); 2141 usage(); 2142 return false; 2143 } 2144 2145 for (int i = 0; i < argc; i++) { 2146 const StringPiece option(argv[i]); 2147 if (option.starts_with("--oat-file=")) { 2148 oat_filename_ = option.substr(strlen("--oat-file=")).data(); 2149 } else if (option.starts_with("--image=")) { 2150 image_location_ = option.substr(strlen("--image=")).data(); 2151 } else if (option.starts_with("--boot-image=")) { 2152 boot_image_location_ = option.substr(strlen("--boot-image=")).data(); 2153 } else if (option.starts_with("--instruction-set=")) { 2154 StringPiece instruction_set_str = option.substr(strlen("--instruction-set=")).data(); 2155 instruction_set_ = GetInstructionSetFromString(instruction_set_str.data()); 2156 if (instruction_set_ == kNone) { 2157 fprintf(stderr, "Unsupported instruction set %s\n", instruction_set_str.data()); 2158 usage(); 2159 return false; 2160 } 2161 } else if (option =="--dump:raw_mapping_table") { 2162 dump_raw_mapping_table_ = true; 2163 } else if (option == "--dump:raw_gc_map") { 2164 dump_raw_gc_map_ = true; 2165 } else if (option == "--no-dump:vmap") { 2166 dump_vmap_ = false; 2167 } else if (option == "--no-disassemble") { 2168 disassemble_code_ = false; 2169 } else if (option.starts_with("--output=")) { 2170 output_name_ = option.substr(strlen("--output=")).ToString(); 2171 const char* filename = output_name_.c_str(); 2172 out_.reset(new std::ofstream(filename)); 2173 if (!out_->good()) { 2174 fprintf(stderr, "Failed to open output filename %s\n", filename); 2175 usage(); 2176 return false; 2177 } 2178 os_ = out_.get(); 2179 } else if (option.starts_with("--symbolize=")) { 2180 oat_filename_ = option.substr(strlen("--symbolize=")).data(); 2181 symbolize_ = true; 2182 } else { 2183 fprintf(stderr, "Unknown argument %s\n", option.data()); 2184 usage(); 2185 return false; 2186 } 2187 } 2188 2189 if (image_location_ == nullptr && oat_filename_ == nullptr) { 2190 fprintf(stderr, "Either --image or --oat must be specified\n"); 2191 return false; 2192 } 2193 2194 if (image_location_ != nullptr && oat_filename_ != nullptr) { 2195 fprintf(stderr, "Either --image or --oat must be specified but not both\n"); 2196 return false; 2197 } 2198 2199 return true; 2200 } 2201 2202 const char* oat_filename_ = nullptr; 2203 const char* image_location_ = nullptr; 2204 const char* boot_image_location_ = nullptr; 2205 InstructionSet instruction_set_ = kRuntimeISA; 2206 std::string elf_filename_prefix_; 2207 std::ostream* os_ = &std::cout; 2208 std::unique_ptr<std::ofstream> out_; 2209 std::string output_name_; 2210 bool dump_raw_mapping_table_ = false; 2211 bool dump_raw_gc_map_ = false; 2212 bool dump_vmap_ = true; 2213 bool disassemble_code_ = true; 2214 bool symbolize_ = false; 2215}; 2216 2217static int oatdump(int argc, char** argv) { 2218 InitLogging(argv); 2219 2220 OatdumpArgs args; 2221 if (!args.Parse(argc, argv)) { 2222 return EXIT_FAILURE; 2223 } 2224 2225 // If we are only doing the oat file, disable absolute_addresses. Keep them for image dumping. 2226 bool absolute_addresses = (args.oat_filename_ == nullptr); 2227 2228 std::unique_ptr<OatDumperOptions> oat_dumper_options(new OatDumperOptions( 2229 args.dump_raw_mapping_table_, 2230 args.dump_raw_gc_map_, 2231 args.dump_vmap_, 2232 args.disassemble_code_, 2233 absolute_addresses, 2234 nullptr)); 2235 2236 std::unique_ptr<Runtime> runtime; 2237 if ((args.boot_image_location_ != nullptr || args.image_location_ != nullptr) && 2238 !args.symbolize_) { 2239 // If we have a boot image option, try to start the runtime; except when just symbolizing. 2240 runtime.reset(StartRuntime(args.boot_image_location_, 2241 args.image_location_, 2242 args.instruction_set_)); 2243 } else { 2244 MemMap::Init(); 2245 } 2246 2247 if (args.oat_filename_ != nullptr) { 2248 if (args.symbolize_) { 2249 return SymbolizeOat(args.oat_filename_, args.output_name_); 2250 } else { 2251 return DumpOat(runtime.get(), args.oat_filename_, oat_dumper_options.release(), args.os_); 2252 } 2253 } 2254 2255 if (runtime.get() == nullptr) { 2256 // We need the runtime when printing an image. 2257 return EXIT_FAILURE; 2258 } 2259 2260 return DumpImage(runtime.get(), args.image_location_, oat_dumper_options.release(), args.os_); 2261} 2262 2263} // namespace art 2264 2265int main(int argc, char** argv) { 2266 return art::oatdump(argc, argv); 2267} 2268