oatdump.cc revision a7dd0386f35c0ba4aef3f5b16bc84c6f4e2fc702
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 "arch/instruction_set_features.h" 27#include "base/stringpiece.h" 28#include "base/unix_file/fd_file.h" 29#include "class_linker.h" 30#include "class_linker-inl.h" 31#include "dex_file-inl.h" 32#include "dex_instruction.h" 33#include "disassembler.h" 34#include "elf_builder.h" 35#include "field_helper.h" 36#include "gc_map.h" 37#include "gc/space/image_space.h" 38#include "gc/space/large_object_space.h" 39#include "gc/space/space-inl.h" 40#include "image.h" 41#include "indenter.h" 42#include "mapping_table.h" 43#include "mirror/art_field-inl.h" 44#include "mirror/art_method-inl.h" 45#include "mirror/array-inl.h" 46#include "mirror/class-inl.h" 47#include "mirror/object-inl.h" 48#include "mirror/object_array-inl.h" 49#include "noop_compiler_callbacks.h" 50#include "oat.h" 51#include "oat_file-inl.h" 52#include "os.h" 53#include "output_stream.h" 54#include "runtime.h" 55#include "safe_map.h" 56#include "scoped_thread_state_change.h" 57#include "ScopedLocalRef.h" 58#include "thread_list.h" 59#include "verifier/dex_gc_map.h" 60#include "verifier/method_verifier.h" 61#include "vmap_table.h" 62#include "well_known_classes.h" 63 64namespace art { 65 66static void usage() { 67 fprintf(stderr, 68 "Usage: oatdump [options] ...\n" 69 " Example: oatdump --image=$ANDROID_PRODUCT_OUT/system/framework/boot.art\n" 70 " Example: adb shell oatdump --image=/system/framework/boot.art\n" 71 "\n"); 72 fprintf(stderr, 73 " --oat-file=<file.oat>: specifies an input oat filename.\n" 74 " Example: --oat-file=/system/framework/boot.oat\n" 75 "\n"); 76 fprintf(stderr, 77 " --image=<file.art>: specifies an input image filename.\n" 78 " Example: --image=/system/framework/boot.art\n" 79 "\n"); 80 fprintf(stderr, 81 " --boot-image=<file.art>: provide the image file for the boot class path.\n" 82 " Example: --boot-image=/system/framework/boot.art\n" 83 "\n"); 84 fprintf(stderr, 85 " --instruction-set=(arm|arm64|mips|x86|x86_64): for locating the image\n" 86 " file based on the image location set.\n" 87 " Example: --instruction-set=x86\n" 88 " Default: %s\n" 89 "\n", 90 GetInstructionSetString(kRuntimeISA)); 91 fprintf(stderr, 92 " --output=<file> may be used to send the output to a file.\n" 93 " Example: --output=/tmp/oatdump.txt\n" 94 "\n"); 95 fprintf(stderr, 96 " --dump:raw_mapping_table enables dumping of the mapping table.\n" 97 " Example: --dump:raw_mapping_table\n" 98 "\n"); 99 fprintf(stderr, 100 " --dump:raw_mapping_table enables dumping of the GC map.\n" 101 " Example: --dump:raw_gc_map\n" 102 "\n"); 103 fprintf(stderr, 104 " --no-dump:vmap may be used to disable vmap dumping.\n" 105 " Example: --no-dump:vmap\n" 106 "\n"); 107 fprintf(stderr, 108 " --no-disassemble may be used to disable disassembly.\n" 109 " Example: --no-disassemble\n" 110 "\n"); 111 fprintf(stderr, 112 " --method-filter=<method name>: only dumps methods that contain the filter.\n" 113 " Example: --method-filter=foo\n" 114 "\n"); 115} 116 117const char* image_roots_descriptions_[] = { 118 "kResolutionMethod", 119 "kImtConflictMethod", 120 "kImtUnimplementedMethod", 121 "kDefaultImt", 122 "kCalleeSaveMethod", 123 "kRefsOnlySaveMethod", 124 "kRefsAndArgsSaveMethod", 125 "kDexCaches", 126 "kClassRoots", 127}; 128 129class OatSymbolizer FINAL : public CodeOutput { 130 public: 131 explicit OatSymbolizer(const OatFile* oat_file, const std::string& output_name) : 132 oat_file_(oat_file), builder_(nullptr), elf_output_(nullptr), 133 output_name_(output_name.empty() ? "symbolized.oat" : output_name) { 134 } 135 136 bool Init() { 137 Elf32_Word oat_data_size = oat_file_->GetOatHeader().GetExecutableOffset(); 138 139 uint32_t diff = static_cast<uint32_t>(oat_file_->End() - oat_file_->Begin()); 140 uint32_t oat_exec_size = diff - oat_data_size; 141 142 elf_output_ = OS::CreateEmptyFile(output_name_.c_str()); 143 144 builder_.reset(new ElfBuilder<Elf32_Word, Elf32_Sword, Elf32_Addr, Elf32_Dyn, 145 Elf32_Sym, Elf32_Ehdr, Elf32_Phdr, Elf32_Shdr>( 146 this, 147 elf_output_, 148 oat_file_->GetOatHeader().GetInstructionSet(), 149 0, 150 oat_data_size, 151 oat_data_size, 152 oat_exec_size, 153 true, 154 false)); 155 156 if (!builder_->Init()) { 157 builder_.reset(nullptr); 158 return false; 159 } 160 161 return true; 162 } 163 164 typedef void (OatSymbolizer::*Callback)(const DexFile::ClassDef&, 165 uint32_t, 166 const OatFile::OatMethod&, 167 const DexFile&, 168 uint32_t, 169 const DexFile::CodeItem*, 170 uint32_t); 171 172 bool Symbolize() { 173 if (builder_.get() == nullptr) { 174 return false; 175 } 176 177 Walk(&art::OatSymbolizer::RegisterForDedup); 178 179 NormalizeState(); 180 181 Walk(&art::OatSymbolizer::AddSymbol); 182 183 bool result = builder_->Write(); 184 185 // Ignore I/O errors. 186 UNUSED(elf_output_->FlushClose()); 187 188 return result; 189 } 190 191 void Walk(Callback callback) { 192 std::vector<const OatFile::OatDexFile*> oat_dex_files = oat_file_->GetOatDexFiles(); 193 for (size_t i = 0; i < oat_dex_files.size(); i++) { 194 const OatFile::OatDexFile* oat_dex_file = oat_dex_files[i]; 195 CHECK(oat_dex_file != NULL); 196 WalkOatDexFile(oat_dex_file, callback); 197 } 198 } 199 200 void WalkOatDexFile(const OatFile::OatDexFile* oat_dex_file, Callback callback) { 201 std::string error_msg; 202 std::unique_ptr<const DexFile> dex_file(oat_dex_file->OpenDexFile(&error_msg)); 203 if (dex_file.get() == nullptr) { 204 return; 205 } 206 for (size_t class_def_index = 0; 207 class_def_index < dex_file->NumClassDefs(); 208 class_def_index++) { 209 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); 210 const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(class_def_index); 211 OatClassType type = oat_class.GetType(); 212 switch (type) { 213 case kOatClassAllCompiled: 214 case kOatClassSomeCompiled: 215 WalkOatClass(oat_class, *dex_file.get(), class_def, callback); 216 break; 217 218 case kOatClassNoneCompiled: 219 case kOatClassMax: 220 // Ignore. 221 break; 222 } 223 } 224 } 225 226 void WalkOatClass(const OatFile::OatClass& oat_class, const DexFile& dex_file, 227 const DexFile::ClassDef& class_def, Callback callback) { 228 const uint8_t* class_data = dex_file.GetClassData(class_def); 229 if (class_data == nullptr) { // empty class such as a marker interface? 230 return; 231 } 232 // Note: even if this is an interface or a native class, we still have to walk it, as there 233 // might be a static initializer. 234 ClassDataItemIterator it(dex_file, class_data); 235 SkipAllFields(&it); 236 uint32_t class_method_idx = 0; 237 while (it.HasNextDirectMethod()) { 238 const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_idx); 239 WalkOatMethod(class_def, class_method_idx, oat_method, dex_file, it.GetMemberIndex(), 240 it.GetMethodCodeItem(), it.GetMethodAccessFlags(), callback); 241 class_method_idx++; 242 it.Next(); 243 } 244 while (it.HasNextVirtualMethod()) { 245 const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_idx); 246 WalkOatMethod(class_def, class_method_idx, oat_method, dex_file, it.GetMemberIndex(), 247 it.GetMethodCodeItem(), it.GetMethodAccessFlags(), callback); 248 class_method_idx++; 249 it.Next(); 250 } 251 DCHECK(!it.HasNext()); 252 } 253 254 void WalkOatMethod(const DexFile::ClassDef& class_def, uint32_t class_method_index, 255 const OatFile::OatMethod& oat_method, const DexFile& dex_file, 256 uint32_t dex_method_idx, const DexFile::CodeItem* code_item, 257 uint32_t method_access_flags, Callback callback) { 258 if ((method_access_flags & kAccAbstract) != 0) { 259 // Abstract method, no code. 260 return; 261 } 262 if (oat_method.GetCodeOffset() == 0) { 263 // No code. 264 return; 265 } 266 267 (this->*callback)(class_def, class_method_index, oat_method, dex_file, dex_method_idx, code_item, 268 method_access_flags); 269 } 270 271 void RegisterForDedup(const DexFile::ClassDef& class_def ATTRIBUTE_UNUSED, 272 uint32_t class_method_index ATTRIBUTE_UNUSED, 273 const OatFile::OatMethod& oat_method, 274 const DexFile& dex_file ATTRIBUTE_UNUSED, 275 uint32_t dex_method_idx ATTRIBUTE_UNUSED, 276 const DexFile::CodeItem* code_item ATTRIBUTE_UNUSED, 277 uint32_t method_access_flags ATTRIBUTE_UNUSED) { 278 state_[oat_method.GetCodeOffset()]++; 279 } 280 281 void NormalizeState() { 282 for (auto& x : state_) { 283 if (x.second == 1) { 284 state_[x.first] = 0; 285 } 286 } 287 } 288 289 enum class DedupState { // private 290 kNotDeduplicated, 291 kDeduplicatedFirst, 292 kDeduplicatedOther 293 }; 294 DedupState IsDuplicated(uint32_t offset) { 295 if (state_[offset] == 0) { 296 return DedupState::kNotDeduplicated; 297 } 298 if (state_[offset] == 1) { 299 return DedupState::kDeduplicatedOther; 300 } 301 state_[offset] = 1; 302 return DedupState::kDeduplicatedFirst; 303 } 304 305 void AddSymbol(const DexFile::ClassDef& class_def ATTRIBUTE_UNUSED, 306 uint32_t class_method_index ATTRIBUTE_UNUSED, 307 const OatFile::OatMethod& oat_method, 308 const DexFile& dex_file, 309 uint32_t dex_method_idx, 310 const DexFile::CodeItem* code_item ATTRIBUTE_UNUSED, 311 uint32_t method_access_flags ATTRIBUTE_UNUSED) { 312 DedupState dedup = IsDuplicated(oat_method.GetCodeOffset()); 313 if (dedup != DedupState::kDeduplicatedOther) { 314 std::string pretty_name = PrettyMethod(dex_method_idx, dex_file, true); 315 316 if (dedup == DedupState::kDeduplicatedFirst) { 317 pretty_name = "[Dedup]" + pretty_name; 318 } 319 320 ElfSymtabBuilder<Elf32_Word, Elf32_Sword, Elf32_Addr, 321 Elf32_Sym, Elf32_Shdr>* symtab = builder_->GetSymtabBuilder(); 322 323 symtab->AddSymbol(pretty_name, &builder_->GetTextBuilder(), 324 oat_method.GetCodeOffset() - oat_file_->GetOatHeader().GetExecutableOffset(), 325 true, oat_method.GetQuickCodeSize(), STB_GLOBAL, STT_FUNC); 326 } 327 } 328 329 // Set oat data offset. Required by ElfBuilder/CodeOutput. 330 void SetCodeOffset(size_t offset ATTRIBUTE_UNUSED) { 331 // Nothing to do. 332 } 333 334 // Write oat code. Required by ElfBuilder/CodeOutput. 335 bool Write(OutputStream* out) { 336 return out->WriteFully(oat_file_->Begin(), oat_file_->End() - oat_file_->Begin()); 337 } 338 339 private: 340 static void SkipAllFields(ClassDataItemIterator* it) { 341 while (it->HasNextStaticField()) { 342 it->Next(); 343 } 344 while (it->HasNextInstanceField()) { 345 it->Next(); 346 } 347 } 348 349 const OatFile* oat_file_; 350 std::unique_ptr<ElfBuilder<Elf32_Word, Elf32_Sword, Elf32_Addr, Elf32_Dyn, 351 Elf32_Sym, Elf32_Ehdr, Elf32_Phdr, Elf32_Shdr> > builder_; 352 File* elf_output_; 353 std::unordered_map<uint32_t, uint32_t> state_; 354 const std::string output_name_; 355}; 356 357class OatDumperOptions { 358 public: 359 OatDumperOptions(bool dump_raw_mapping_table, 360 bool dump_raw_gc_map, 361 bool dump_vmap, 362 bool disassemble_code, 363 bool absolute_addresses, 364 const char* method_filter, 365 Handle<mirror::ClassLoader>* class_loader) 366 : dump_raw_mapping_table_(dump_raw_mapping_table), 367 dump_raw_gc_map_(dump_raw_gc_map), 368 dump_vmap_(dump_vmap), 369 disassemble_code_(disassemble_code), 370 absolute_addresses_(absolute_addresses), 371 method_filter_(method_filter), 372 class_loader_(class_loader) {} 373 374 const bool dump_raw_mapping_table_; 375 const bool dump_raw_gc_map_; 376 const bool dump_vmap_; 377 const bool disassemble_code_; 378 const bool absolute_addresses_; 379 const char* const method_filter_; 380 Handle<mirror::ClassLoader>* class_loader_; 381}; 382 383class OatDumper { 384 public: 385 explicit OatDumper(const OatFile& oat_file, OatDumperOptions* options) 386 : oat_file_(oat_file), 387 oat_dex_files_(oat_file.GetOatDexFiles()), 388 options_(options), 389 instruction_set_(oat_file_.GetOatHeader().GetInstructionSet()), 390 disassembler_(Disassembler::Create(instruction_set_, 391 new DisassemblerOptions(options_->absolute_addresses_, 392 oat_file.Begin(), 393 true /* can_read_litals_ */))) { 394 CHECK(options_->class_loader_ != nullptr); 395 AddAllOffsets(); 396 } 397 398 ~OatDumper() { 399 delete options_; 400 delete disassembler_; 401 } 402 403 InstructionSet GetInstructionSet() { 404 return instruction_set_; 405 } 406 407 bool Dump(std::ostream& os) { 408 bool success = true; 409 const OatHeader& oat_header = oat_file_.GetOatHeader(); 410 411 os << "MAGIC:\n"; 412 os << oat_header.GetMagic() << "\n\n"; 413 414 os << "CHECKSUM:\n"; 415 os << StringPrintf("0x%08x\n\n", oat_header.GetChecksum()); 416 417 os << "INSTRUCTION SET:\n"; 418 os << oat_header.GetInstructionSet() << "\n\n"; 419 420 { 421 std::unique_ptr<const InstructionSetFeatures> features( 422 InstructionSetFeatures::FromBitmap(oat_header.GetInstructionSet(), 423 oat_header.GetInstructionSetFeaturesBitmap())); 424 os << "INSTRUCTION SET FEATURES:\n"; 425 os << features->GetFeatureString() << "\n\n"; 426 } 427 428 os << "DEX FILE COUNT:\n"; 429 os << oat_header.GetDexFileCount() << "\n\n"; 430 431#define DUMP_OAT_HEADER_OFFSET(label, offset) \ 432 os << label " OFFSET:\n"; \ 433 os << StringPrintf("0x%08x", oat_header.offset()); \ 434 if (oat_header.offset() != 0 && options_->absolute_addresses_) { \ 435 os << StringPrintf(" (%p)", oat_file_.Begin() + oat_header.offset()); \ 436 } \ 437 os << StringPrintf("\n\n"); 438 439 DUMP_OAT_HEADER_OFFSET("EXECUTABLE", GetExecutableOffset); 440 DUMP_OAT_HEADER_OFFSET("INTERPRETER TO INTERPRETER BRIDGE", 441 GetInterpreterToInterpreterBridgeOffset); 442 DUMP_OAT_HEADER_OFFSET("INTERPRETER TO COMPILED CODE BRIDGE", 443 GetInterpreterToCompiledCodeBridgeOffset); 444 DUMP_OAT_HEADER_OFFSET("JNI DLSYM LOOKUP", 445 GetJniDlsymLookupOffset); 446 DUMP_OAT_HEADER_OFFSET("PORTABLE IMT CONFLICT TRAMPOLINE", 447 GetPortableImtConflictTrampolineOffset); 448 DUMP_OAT_HEADER_OFFSET("PORTABLE RESOLUTION TRAMPOLINE", 449 GetPortableResolutionTrampolineOffset); 450 DUMP_OAT_HEADER_OFFSET("PORTABLE TO INTERPRETER BRIDGE", 451 GetPortableToInterpreterBridgeOffset); 452 DUMP_OAT_HEADER_OFFSET("QUICK GENERIC JNI TRAMPOLINE", 453 GetQuickGenericJniTrampolineOffset); 454 DUMP_OAT_HEADER_OFFSET("QUICK IMT CONFLICT TRAMPOLINE", 455 GetQuickImtConflictTrampolineOffset); 456 DUMP_OAT_HEADER_OFFSET("QUICK RESOLUTION TRAMPOLINE", 457 GetQuickResolutionTrampolineOffset); 458 DUMP_OAT_HEADER_OFFSET("QUICK TO INTERPRETER BRIDGE", 459 GetQuickToInterpreterBridgeOffset); 460#undef DUMP_OAT_HEADER_OFFSET 461 462 os << "IMAGE PATCH DELTA:\n"; 463 os << StringPrintf("%d (0x%08x)\n\n", 464 oat_header.GetImagePatchDelta(), 465 oat_header.GetImagePatchDelta()); 466 467 os << "IMAGE FILE LOCATION OAT CHECKSUM:\n"; 468 os << StringPrintf("0x%08x\n\n", oat_header.GetImageFileLocationOatChecksum()); 469 470 os << "IMAGE FILE LOCATION OAT BEGIN:\n"; 471 os << StringPrintf("0x%08x\n\n", oat_header.GetImageFileLocationOatDataBegin()); 472 473 // Print the key-value store. 474 { 475 os << "KEY VALUE STORE:\n"; 476 size_t index = 0; 477 const char* key; 478 const char* value; 479 while (oat_header.GetStoreKeyValuePairByIndex(index, &key, &value)) { 480 os << key << " = " << value << "\n"; 481 index++; 482 } 483 os << "\n"; 484 } 485 486 if (options_->absolute_addresses_) { 487 os << "BEGIN:\n"; 488 os << reinterpret_cast<const void*>(oat_file_.Begin()) << "\n\n"; 489 490 os << "END:\n"; 491 os << reinterpret_cast<const void*>(oat_file_.End()) << "\n\n"; 492 } 493 494 os << "SIZE:\n"; 495 os << oat_file_.Size() << "\n\n"; 496 497 os << std::flush; 498 499 for (size_t i = 0; i < oat_dex_files_.size(); i++) { 500 const OatFile::OatDexFile* oat_dex_file = oat_dex_files_[i]; 501 CHECK(oat_dex_file != nullptr); 502 if (!DumpOatDexFile(os, *oat_dex_file)) { 503 success = false; 504 } 505 } 506 os << std::flush; 507 return success; 508 } 509 510 size_t ComputeSize(const void* oat_data) { 511 if (reinterpret_cast<const uint8_t*>(oat_data) < oat_file_.Begin() || 512 reinterpret_cast<const uint8_t*>(oat_data) > oat_file_.End()) { 513 return 0; // Address not in oat file 514 } 515 uintptr_t begin_offset = reinterpret_cast<uintptr_t>(oat_data) - 516 reinterpret_cast<uintptr_t>(oat_file_.Begin()); 517 auto it = offsets_.upper_bound(begin_offset); 518 CHECK(it != offsets_.end()); 519 uintptr_t end_offset = *it; 520 return end_offset - begin_offset; 521 } 522 523 InstructionSet GetOatInstructionSet() { 524 return oat_file_.GetOatHeader().GetInstructionSet(); 525 } 526 527 const void* GetQuickOatCode(mirror::ArtMethod* m) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 528 for (size_t i = 0; i < oat_dex_files_.size(); i++) { 529 const OatFile::OatDexFile* oat_dex_file = oat_dex_files_[i]; 530 CHECK(oat_dex_file != nullptr); 531 std::string error_msg; 532 std::unique_ptr<const DexFile> dex_file(oat_dex_file->OpenDexFile(&error_msg)); 533 if (dex_file.get() == nullptr) { 534 LOG(WARNING) << "Failed to open dex file '" << oat_dex_file->GetDexFileLocation() 535 << "': " << error_msg; 536 } else { 537 const char* descriptor = m->GetDeclaringClassDescriptor(); 538 const DexFile::ClassDef* class_def = 539 dex_file->FindClassDef(descriptor, ComputeModifiedUtf8Hash(descriptor)); 540 if (class_def != nullptr) { 541 uint16_t class_def_index = dex_file->GetIndexForClassDef(*class_def); 542 const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(class_def_index); 543 size_t method_index = m->GetMethodIndex(); 544 return oat_class.GetOatMethod(method_index).GetQuickCode(); 545 } 546 } 547 } 548 return nullptr; 549 } 550 551 private: 552 void AddAllOffsets() { 553 // We don't know the length of the code for each method, but we need to know where to stop 554 // when disassembling. What we do know is that a region of code will be followed by some other 555 // region, so if we keep a sorted sequence of the start of each region, we can infer the length 556 // of a piece of code by using upper_bound to find the start of the next region. 557 for (size_t i = 0; i < oat_dex_files_.size(); i++) { 558 const OatFile::OatDexFile* oat_dex_file = oat_dex_files_[i]; 559 CHECK(oat_dex_file != nullptr); 560 std::string error_msg; 561 std::unique_ptr<const DexFile> dex_file(oat_dex_file->OpenDexFile(&error_msg)); 562 if (dex_file.get() == nullptr) { 563 LOG(WARNING) << "Failed to open dex file '" << oat_dex_file->GetDexFileLocation() 564 << "': " << error_msg; 565 continue; 566 } 567 offsets_.insert(reinterpret_cast<uintptr_t>(&dex_file->GetHeader())); 568 for (size_t class_def_index = 0; 569 class_def_index < dex_file->NumClassDefs(); 570 class_def_index++) { 571 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); 572 const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(class_def_index); 573 const uint8_t* class_data = dex_file->GetClassData(class_def); 574 if (class_data != nullptr) { 575 ClassDataItemIterator it(*dex_file, class_data); 576 SkipAllFields(it); 577 uint32_t class_method_index = 0; 578 while (it.HasNextDirectMethod()) { 579 AddOffsets(oat_class.GetOatMethod(class_method_index++)); 580 it.Next(); 581 } 582 while (it.HasNextVirtualMethod()) { 583 AddOffsets(oat_class.GetOatMethod(class_method_index++)); 584 it.Next(); 585 } 586 } 587 } 588 } 589 590 // If the last thing in the file is code for a method, there won't be an offset for the "next" 591 // thing. Instead of having a special case in the upper_bound code, let's just add an entry 592 // for the end of the file. 593 offsets_.insert(oat_file_.Size()); 594 } 595 596 static uint32_t AlignCodeOffset(uint32_t maybe_thumb_offset) { 597 return maybe_thumb_offset & ~0x1; // TODO: Make this Thumb2 specific. 598 } 599 600 void AddOffsets(const OatFile::OatMethod& oat_method) { 601 uint32_t code_offset = oat_method.GetCodeOffset(); 602 if (oat_file_.GetOatHeader().GetInstructionSet() == kThumb2) { 603 code_offset &= ~0x1; 604 } 605 offsets_.insert(code_offset); 606 offsets_.insert(oat_method.GetMappingTableOffset()); 607 offsets_.insert(oat_method.GetVmapTableOffset()); 608 offsets_.insert(oat_method.GetNativeGcMapOffset()); 609 } 610 611 bool DumpOatDexFile(std::ostream& os, const OatFile::OatDexFile& oat_dex_file) { 612 bool success = true; 613 os << "OatDexFile:\n"; 614 os << StringPrintf("location: %s\n", oat_dex_file.GetDexFileLocation().c_str()); 615 os << StringPrintf("checksum: 0x%08x\n", oat_dex_file.GetDexFileLocationChecksum()); 616 617 // Create the verifier early. 618 619 std::string error_msg; 620 std::unique_ptr<const DexFile> dex_file(oat_dex_file.OpenDexFile(&error_msg)); 621 if (dex_file.get() == nullptr) { 622 os << "NOT FOUND: " << error_msg << "\n\n"; 623 os << std::flush; 624 return false; 625 } 626 for (size_t class_def_index = 0; 627 class_def_index < dex_file->NumClassDefs(); 628 class_def_index++) { 629 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); 630 const char* descriptor = dex_file->GetClassDescriptor(class_def); 631 uint32_t oat_class_offset = oat_dex_file.GetOatClassOffset(class_def_index); 632 const OatFile::OatClass oat_class = oat_dex_file.GetOatClass(class_def_index); 633 os << StringPrintf("%zd: %s (offset=0x%08x) (type_idx=%d)", 634 class_def_index, descriptor, oat_class_offset, class_def.class_idx_) 635 << " (" << oat_class.GetStatus() << ")" 636 << " (" << oat_class.GetType() << ")\n"; 637 // TODO: include bitmap here if type is kOatClassSomeCompiled? 638 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 639 std::ostream indented_os(&indent_filter); 640 if (!DumpOatClass(indented_os, oat_class, *(dex_file.get()), class_def)) { 641 success = false; 642 } 643 } 644 645 os << std::flush; 646 return success; 647 } 648 649 static void SkipAllFields(ClassDataItemIterator& it) { 650 while (it.HasNextStaticField()) { 651 it.Next(); 652 } 653 while (it.HasNextInstanceField()) { 654 it.Next(); 655 } 656 } 657 658 bool DumpOatClass(std::ostream& os, const OatFile::OatClass& oat_class, const DexFile& dex_file, 659 const DexFile::ClassDef& class_def) { 660 bool success = true; 661 const uint8_t* class_data = dex_file.GetClassData(class_def); 662 if (class_data == nullptr) { // empty class such as a marker interface? 663 os << std::flush; 664 return success; 665 } 666 ClassDataItemIterator it(dex_file, class_data); 667 SkipAllFields(it); 668 uint32_t class_method_index = 0; 669 while (it.HasNextDirectMethod()) { 670 if (!DumpOatMethod(os, class_def, class_method_index, oat_class, dex_file, 671 it.GetMemberIndex(), it.GetMethodCodeItem(), 672 it.GetRawMemberAccessFlags())) { 673 success = false; 674 } 675 class_method_index++; 676 it.Next(); 677 } 678 while (it.HasNextVirtualMethod()) { 679 if (!DumpOatMethod(os, class_def, class_method_index, oat_class, dex_file, 680 it.GetMemberIndex(), it.GetMethodCodeItem(), 681 it.GetRawMemberAccessFlags())) { 682 success = false; 683 } 684 class_method_index++; 685 it.Next(); 686 } 687 DCHECK(!it.HasNext()); 688 os << std::flush; 689 return success; 690 } 691 692 static constexpr uint32_t kPrologueBytes = 16; 693 694 // When this was picked, the largest arm method was 55,256 bytes and arm64 was 50,412 bytes. 695 static constexpr uint32_t kMaxCodeSize = 100 * 1000; 696 697 bool DumpOatMethod(std::ostream& os, const DexFile::ClassDef& class_def, 698 uint32_t class_method_index, 699 const OatFile::OatClass& oat_class, const DexFile& dex_file, 700 uint32_t dex_method_idx, const DexFile::CodeItem* code_item, 701 uint32_t method_access_flags) { 702 bool success = true; 703 std::string pretty_method = PrettyMethod(dex_method_idx, dex_file, true); 704 if (pretty_method.find(options_->method_filter_) == std::string::npos) { 705 return success; 706 } 707 708 os << StringPrintf("%d: %s (dex_method_idx=%d)\n", 709 class_method_index, pretty_method.c_str(), 710 dex_method_idx); 711 Indenter indent1_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 712 std::unique_ptr<std::ostream> indent1_os(new std::ostream(&indent1_filter)); 713 Indenter indent2_filter(indent1_os->rdbuf(), kIndentChar, kIndentBy1Count); 714 std::unique_ptr<std::ostream> indent2_os(new std::ostream(&indent2_filter)); 715 { 716 *indent1_os << "DEX CODE:\n"; 717 DumpDexCode(*indent2_os, dex_file, code_item); 718 } 719 720 std::unique_ptr<verifier::MethodVerifier> verifier; 721 if (Runtime::Current() != nullptr) { 722 *indent1_os << "VERIFIER TYPE ANALYSIS:\n"; 723 verifier.reset(DumpVerifier(*indent2_os, dex_method_idx, &dex_file, class_def, code_item, 724 method_access_flags)); 725 } 726 727 uint32_t oat_method_offsets_offset = oat_class.GetOatMethodOffsetsOffset(class_method_index); 728 const OatMethodOffsets* oat_method_offsets = oat_class.GetOatMethodOffsets(class_method_index); 729 const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_index); 730 { 731 *indent1_os << "OatMethodOffsets "; 732 if (options_->absolute_addresses_) { 733 *indent1_os << StringPrintf("%p ", oat_method_offsets); 734 } 735 *indent1_os << StringPrintf("(offset=0x%08x)\n", oat_method_offsets_offset); 736 if (oat_method_offsets_offset > oat_file_.Size()) { 737 *indent1_os << StringPrintf( 738 "WARNING: oat method offsets offset 0x%08x is past end of file 0x%08zx.\n", 739 oat_method_offsets_offset, oat_file_.Size()); 740 // If we can't read OatMethodOffsets, the rest of the data is dangerous to read. 741 os << std::flush; 742 return false; 743 } 744 745 uint32_t code_offset = oat_method.GetCodeOffset(); 746 *indent2_os << StringPrintf("code_offset: 0x%08x ", code_offset); 747 uint32_t aligned_code_begin = AlignCodeOffset(oat_method.GetCodeOffset()); 748 if (aligned_code_begin > oat_file_.Size()) { 749 *indent2_os << StringPrintf("WARNING: " 750 "code offset 0x%08x is past end of file 0x%08zx.\n", 751 aligned_code_begin, oat_file_.Size()); 752 success = false; 753 } 754 *indent2_os << "\n"; 755 756 *indent2_os << "gc_map: "; 757 if (options_->absolute_addresses_) { 758 *indent2_os << StringPrintf("%p ", oat_method.GetNativeGcMap()); 759 } 760 uint32_t gc_map_offset = oat_method.GetNativeGcMapOffset(); 761 *indent2_os << StringPrintf("(offset=0x%08x)\n", gc_map_offset); 762 if (gc_map_offset > oat_file_.Size()) { 763 *indent2_os << StringPrintf("WARNING: " 764 "gc map table offset 0x%08x is past end of file 0x%08zx.\n", 765 gc_map_offset, oat_file_.Size()); 766 success = false; 767 } else if (options_->dump_raw_gc_map_) { 768 Indenter indent3_filter(indent2_os->rdbuf(), kIndentChar, kIndentBy1Count); 769 std::ostream indent3_os(&indent3_filter); 770 DumpGcMap(indent3_os, oat_method, code_item); 771 } 772 } 773 { 774 *indent1_os << "OatQuickMethodHeader "; 775 uint32_t method_header_offset = oat_method.GetOatQuickMethodHeaderOffset(); 776 const OatQuickMethodHeader* method_header = oat_method.GetOatQuickMethodHeader(); 777 778 if (options_->absolute_addresses_) { 779 *indent1_os << StringPrintf("%p ", method_header); 780 } 781 *indent1_os << StringPrintf("(offset=0x%08x)\n", method_header_offset); 782 if (method_header_offset > oat_file_.Size()) { 783 *indent1_os << StringPrintf( 784 "WARNING: oat quick method header offset 0x%08x is past end of file 0x%08zx.\n", 785 method_header_offset, oat_file_.Size()); 786 // If we can't read the OatQuickMethodHeader, the rest of the data is dangerous to read. 787 os << std::flush; 788 return false; 789 } 790 791 *indent2_os << "mapping_table: "; 792 if (options_->absolute_addresses_) { 793 *indent2_os << StringPrintf("%p ", oat_method.GetMappingTable()); 794 } 795 uint32_t mapping_table_offset = oat_method.GetMappingTableOffset(); 796 *indent2_os << StringPrintf("(offset=0x%08x)\n", oat_method.GetMappingTableOffset()); 797 if (mapping_table_offset > oat_file_.Size()) { 798 *indent2_os << StringPrintf("WARNING: " 799 "mapping table offset 0x%08x is past end of file 0x%08zx. " 800 "mapping table offset was loaded from offset 0x%08x.\n", 801 mapping_table_offset, oat_file_.Size(), 802 oat_method.GetMappingTableOffsetOffset()); 803 success = false; 804 } else if (options_->dump_raw_mapping_table_) { 805 Indenter indent3_filter(indent2_os->rdbuf(), kIndentChar, kIndentBy1Count); 806 std::ostream indent3_os(&indent3_filter); 807 DumpMappingTable(indent3_os, oat_method); 808 } 809 810 *indent2_os << "vmap_table: "; 811 if (options_->absolute_addresses_) { 812 *indent2_os << StringPrintf("%p ", oat_method.GetVmapTable()); 813 } 814 uint32_t vmap_table_offset = oat_method.GetVmapTableOffset(); 815 *indent2_os << StringPrintf("(offset=0x%08x)\n", vmap_table_offset); 816 if (vmap_table_offset > oat_file_.Size()) { 817 *indent2_os << StringPrintf("WARNING: " 818 "vmap table offset 0x%08x is past end of file 0x%08zx. " 819 "vmap table offset was loaded from offset 0x%08x.\n", 820 vmap_table_offset, oat_file_.Size(), 821 oat_method.GetVmapTableOffsetOffset()); 822 success = false; 823 } else if (options_->dump_vmap_) { 824 DumpVmap(*indent2_os, oat_method); 825 } 826 } 827 { 828 *indent1_os << "QuickMethodFrameInfo\n"; 829 830 *indent2_os << StringPrintf("frame_size_in_bytes: %zd\n", oat_method.GetFrameSizeInBytes()); 831 *indent2_os << StringPrintf("core_spill_mask: 0x%08x ", oat_method.GetCoreSpillMask()); 832 DumpSpillMask(*indent2_os, oat_method.GetCoreSpillMask(), false); 833 *indent2_os << "\n"; 834 *indent2_os << StringPrintf("fp_spill_mask: 0x%08x ", oat_method.GetFpSpillMask()); 835 DumpSpillMask(*indent2_os, oat_method.GetFpSpillMask(), true); 836 *indent2_os << "\n"; 837 } 838 { 839 // Based on spill masks from QuickMethodFrameInfo so placed 840 // after it is dumped, but useful for understanding quick 841 // code, so dumped here. 842 DumpVregLocations(*indent2_os, oat_method, code_item); 843 } 844 { 845 *indent1_os << "CODE: "; 846 uint32_t code_size_offset = oat_method.GetQuickCodeSizeOffset(); 847 if (code_size_offset > oat_file_.Size()) { 848 *indent2_os << StringPrintf("WARNING: " 849 "code size offset 0x%08x is past end of file 0x%08zx.", 850 code_size_offset, oat_file_.Size()); 851 success = false; 852 } else { 853 const void* code = oat_method.GetQuickCode(); 854 uint32_t code_size = oat_method.GetQuickCodeSize(); 855 if (code == nullptr) { 856 code = oat_method.GetPortableCode(); 857 code_size = oat_method.GetPortableCodeSize(); 858 code_size_offset = 0; 859 } 860 uint32_t code_offset = oat_method.GetCodeOffset(); 861 uint32_t aligned_code_begin = AlignCodeOffset(code_offset); 862 uint64_t aligned_code_end = aligned_code_begin + code_size; 863 864 if (options_->absolute_addresses_) { 865 *indent1_os << StringPrintf("%p ", code); 866 } 867 *indent1_os << StringPrintf("(code_offset=0x%08x size_offset=0x%08x size=%u)%s\n", 868 code_offset, 869 code_size_offset, 870 code_size, 871 code != nullptr ? "..." : ""); 872 873 if (aligned_code_begin > oat_file_.Size()) { 874 *indent2_os << StringPrintf("WARNING: " 875 "start of code at 0x%08x is past end of file 0x%08zx.", 876 aligned_code_begin, oat_file_.Size()); 877 success = false; 878 } else if (aligned_code_end > oat_file_.Size()) { 879 *indent2_os << StringPrintf("WARNING: " 880 "end of code at 0x%08" PRIx64 " is past end of file 0x%08zx. " 881 "code size is 0x%08x loaded from offset 0x%08x.\n", 882 aligned_code_end, oat_file_.Size(), 883 code_size, code_size_offset); 884 success = false; 885 if (options_->disassemble_code_) { 886 if (code_size_offset + kPrologueBytes <= oat_file_.Size()) { 887 DumpCode(*indent2_os, verifier.get(), oat_method, code_item, true, kPrologueBytes); 888 } 889 } 890 } else if (code_size > kMaxCodeSize) { 891 *indent2_os << StringPrintf("WARNING: " 892 "code size %d is bigger than max expected threshold of %d. " 893 "code size is 0x%08x loaded from offset 0x%08x.\n", 894 code_size, kMaxCodeSize, 895 code_size, code_size_offset); 896 success = false; 897 if (options_->disassemble_code_) { 898 if (code_size_offset + kPrologueBytes <= oat_file_.Size()) { 899 DumpCode(*indent2_os, verifier.get(), oat_method, code_item, true, kPrologueBytes); 900 } 901 } 902 } else if (options_->disassemble_code_) { 903 DumpCode(*indent2_os, verifier.get(), oat_method, code_item, !success, 0); 904 } 905 } 906 } 907 os << std::flush; 908 return success; 909 } 910 911 void DumpSpillMask(std::ostream& os, uint32_t spill_mask, bool is_float) { 912 if (spill_mask == 0) { 913 return; 914 } 915 os << "("; 916 for (size_t i = 0; i < 32; i++) { 917 if ((spill_mask & (1 << i)) != 0) { 918 if (is_float) { 919 os << "fr" << i; 920 } else { 921 os << "r" << i; 922 } 923 spill_mask ^= 1 << i; // clear bit 924 if (spill_mask != 0) { 925 os << ", "; 926 } else { 927 break; 928 } 929 } 930 } 931 os << ")"; 932 } 933 934 void DumpVmap(std::ostream& os, const OatFile::OatMethod& oat_method) { 935 // If the native GC map is null, then this method has been compiled with the 936 // optimizing compiler. The optimizing compiler currently outputs its stack map 937 // in the vmap table, and the code below does not work with such a stack map. 938 if (oat_method.GetNativeGcMap() == nullptr) { 939 return; 940 } 941 const uint8_t* raw_table = oat_method.GetVmapTable(); 942 if (raw_table != nullptr) { 943 const VmapTable vmap_table(raw_table); 944 bool first = true; 945 bool processing_fp = false; 946 uint32_t spill_mask = oat_method.GetCoreSpillMask(); 947 for (size_t i = 0; i < vmap_table.Size(); i++) { 948 uint16_t dex_reg = vmap_table[i]; 949 uint32_t cpu_reg = vmap_table.ComputeRegister(spill_mask, i, 950 processing_fp ? kFloatVReg : kIntVReg); 951 os << (first ? "v" : ", v") << dex_reg; 952 if (!processing_fp) { 953 os << "/r" << cpu_reg; 954 } else { 955 os << "/fr" << cpu_reg; 956 } 957 first = false; 958 if (!processing_fp && dex_reg == 0xFFFF) { 959 processing_fp = true; 960 spill_mask = oat_method.GetFpSpillMask(); 961 } 962 } 963 os << "\n"; 964 } 965 } 966 967 void DumpVregLocations(std::ostream& os, const OatFile::OatMethod& oat_method, 968 const DexFile::CodeItem* code_item) { 969 if (code_item != nullptr) { 970 size_t num_locals_ins = code_item->registers_size_; 971 size_t num_ins = code_item->ins_size_; 972 size_t num_locals = num_locals_ins - num_ins; 973 size_t num_outs = code_item->outs_size_; 974 975 os << "vr_stack_locations:"; 976 for (size_t reg = 0; reg <= num_locals_ins; reg++) { 977 // For readability, delimit the different kinds of VRs. 978 if (reg == num_locals_ins) { 979 os << "\n\tmethod*:"; 980 } else if (reg == num_locals && num_ins > 0) { 981 os << "\n\tins:"; 982 } else if (reg == 0 && num_locals > 0) { 983 os << "\n\tlocals:"; 984 } 985 986 uint32_t offset = StackVisitor::GetVRegOffset(code_item, oat_method.GetCoreSpillMask(), 987 oat_method.GetFpSpillMask(), 988 oat_method.GetFrameSizeInBytes(), reg, 989 GetInstructionSet()); 990 os << " v" << reg << "[sp + #" << offset << "]"; 991 } 992 993 for (size_t out_reg = 0; out_reg < num_outs; out_reg++) { 994 if (out_reg == 0) { 995 os << "\n\touts:"; 996 } 997 998 uint32_t offset = StackVisitor::GetOutVROffset(out_reg, GetInstructionSet()); 999 os << " v" << out_reg << "[sp + #" << offset << "]"; 1000 } 1001 1002 os << "\n"; 1003 } 1004 } 1005 1006 void DescribeVReg(std::ostream& os, const OatFile::OatMethod& oat_method, 1007 const DexFile::CodeItem* code_item, size_t reg, VRegKind kind) { 1008 const uint8_t* raw_table = oat_method.GetVmapTable(); 1009 if (raw_table != nullptr) { 1010 const VmapTable vmap_table(raw_table); 1011 uint32_t vmap_offset; 1012 if (vmap_table.IsInContext(reg, kind, &vmap_offset)) { 1013 bool is_float = (kind == kFloatVReg) || (kind == kDoubleLoVReg) || (kind == kDoubleHiVReg); 1014 uint32_t spill_mask = is_float ? oat_method.GetFpSpillMask() 1015 : oat_method.GetCoreSpillMask(); 1016 os << (is_float ? "fr" : "r") << vmap_table.ComputeRegister(spill_mask, vmap_offset, kind); 1017 } else { 1018 uint32_t offset = StackVisitor::GetVRegOffset(code_item, oat_method.GetCoreSpillMask(), 1019 oat_method.GetFpSpillMask(), 1020 oat_method.GetFrameSizeInBytes(), reg, 1021 GetInstructionSet()); 1022 os << "[sp + #" << offset << "]"; 1023 } 1024 } 1025 } 1026 1027 void DumpGcMapRegisters(std::ostream& os, const OatFile::OatMethod& oat_method, 1028 const DexFile::CodeItem* code_item, 1029 size_t num_regs, const uint8_t* reg_bitmap) { 1030 bool first = true; 1031 for (size_t reg = 0; reg < num_regs; reg++) { 1032 if (((reg_bitmap[reg / 8] >> (reg % 8)) & 0x01) != 0) { 1033 if (first) { 1034 os << " v" << reg << " ("; 1035 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 1036 os << ")"; 1037 first = false; 1038 } else { 1039 os << ", v" << reg << " ("; 1040 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 1041 os << ")"; 1042 } 1043 } 1044 } 1045 if (first) { 1046 os << "No registers in GC map\n"; 1047 } else { 1048 os << "\n"; 1049 } 1050 } 1051 void DumpGcMap(std::ostream& os, const OatFile::OatMethod& oat_method, 1052 const DexFile::CodeItem* code_item) { 1053 const uint8_t* gc_map_raw = oat_method.GetNativeGcMap(); 1054 if (gc_map_raw == nullptr) { 1055 return; // No GC map. 1056 } 1057 const void* quick_code = oat_method.GetQuickCode(); 1058 if (quick_code != nullptr) { 1059 NativePcOffsetToReferenceMap map(gc_map_raw); 1060 for (size_t entry = 0; entry < map.NumEntries(); entry++) { 1061 const uint8_t* native_pc = reinterpret_cast<const uint8_t*>(quick_code) + 1062 map.GetNativePcOffset(entry); 1063 os << StringPrintf("%p", native_pc); 1064 DumpGcMapRegisters(os, oat_method, code_item, map.RegWidth() * 8, map.GetBitMap(entry)); 1065 } 1066 } else { 1067 const void* portable_code = oat_method.GetPortableCode(); 1068 CHECK(portable_code != nullptr); 1069 verifier::DexPcToReferenceMap map(gc_map_raw); 1070 for (size_t entry = 0; entry < map.NumEntries(); entry++) { 1071 uint32_t dex_pc = map.GetDexPc(entry); 1072 os << StringPrintf("0x%08x", dex_pc); 1073 DumpGcMapRegisters(os, oat_method, code_item, map.RegWidth() * 8, map.GetBitMap(entry)); 1074 } 1075 } 1076 } 1077 1078 void DumpMappingTable(std::ostream& os, const OatFile::OatMethod& oat_method) { 1079 const void* quick_code = oat_method.GetQuickCode(); 1080 if (quick_code == nullptr) { 1081 return; 1082 } 1083 MappingTable table(oat_method.GetMappingTable()); 1084 if (table.TotalSize() != 0) { 1085 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 1086 std::ostream indent_os(&indent_filter); 1087 if (table.PcToDexSize() != 0) { 1088 typedef MappingTable::PcToDexIterator It; 1089 os << "suspend point mappings {\n"; 1090 for (It cur = table.PcToDexBegin(), end = table.PcToDexEnd(); cur != end; ++cur) { 1091 indent_os << StringPrintf("0x%04x -> 0x%04x\n", cur.NativePcOffset(), cur.DexPc()); 1092 } 1093 os << "}\n"; 1094 } 1095 if (table.DexToPcSize() != 0) { 1096 typedef MappingTable::DexToPcIterator It; 1097 os << "catch entry mappings {\n"; 1098 for (It cur = table.DexToPcBegin(), end = table.DexToPcEnd(); cur != end; ++cur) { 1099 indent_os << StringPrintf("0x%04x -> 0x%04x\n", cur.NativePcOffset(), cur.DexPc()); 1100 } 1101 os << "}\n"; 1102 } 1103 } 1104 } 1105 1106 uint32_t DumpMappingAtOffset(std::ostream& os, const OatFile::OatMethod& oat_method, 1107 size_t offset, bool suspend_point_mapping) { 1108 MappingTable table(oat_method.GetMappingTable()); 1109 if (suspend_point_mapping && table.PcToDexSize() > 0) { 1110 typedef MappingTable::PcToDexIterator It; 1111 for (It cur = table.PcToDexBegin(), end = table.PcToDexEnd(); cur != end; ++cur) { 1112 if (offset == cur.NativePcOffset()) { 1113 os << StringPrintf("suspend point dex PC: 0x%04x\n", cur.DexPc()); 1114 return cur.DexPc(); 1115 } 1116 } 1117 } else if (!suspend_point_mapping && table.DexToPcSize() > 0) { 1118 typedef MappingTable::DexToPcIterator It; 1119 for (It cur = table.DexToPcBegin(), end = table.DexToPcEnd(); cur != end; ++cur) { 1120 if (offset == cur.NativePcOffset()) { 1121 os << StringPrintf("catch entry dex PC: 0x%04x\n", cur.DexPc()); 1122 return cur.DexPc(); 1123 } 1124 } 1125 } 1126 return DexFile::kDexNoIndex; 1127 } 1128 1129 void DumpGcMapAtNativePcOffset(std::ostream& os, const OatFile::OatMethod& oat_method, 1130 const DexFile::CodeItem* code_item, size_t native_pc_offset) { 1131 const uint8_t* gc_map_raw = oat_method.GetNativeGcMap(); 1132 if (gc_map_raw != nullptr) { 1133 NativePcOffsetToReferenceMap map(gc_map_raw); 1134 if (map.HasEntry(native_pc_offset)) { 1135 size_t num_regs = map.RegWidth() * 8; 1136 const uint8_t* reg_bitmap = map.FindBitMap(native_pc_offset); 1137 bool first = true; 1138 for (size_t reg = 0; reg < num_regs; reg++) { 1139 if (((reg_bitmap[reg / 8] >> (reg % 8)) & 0x01) != 0) { 1140 if (first) { 1141 os << "GC map objects: v" << reg << " ("; 1142 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 1143 os << ")"; 1144 first = false; 1145 } else { 1146 os << ", v" << reg << " ("; 1147 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 1148 os << ")"; 1149 } 1150 } 1151 } 1152 if (!first) { 1153 os << "\n"; 1154 } 1155 } 1156 } 1157 } 1158 1159 void DumpVRegsAtDexPc(std::ostream& os, verifier::MethodVerifier* verifier, 1160 const OatFile::OatMethod& oat_method, 1161 const DexFile::CodeItem* code_item, uint32_t dex_pc) { 1162 DCHECK(verifier != nullptr); 1163 std::vector<int32_t> kinds = verifier->DescribeVRegs(dex_pc); 1164 bool first = true; 1165 for (size_t reg = 0; reg < code_item->registers_size_; reg++) { 1166 VRegKind kind = static_cast<VRegKind>(kinds.at(reg * 2)); 1167 if (kind != kUndefined) { 1168 if (first) { 1169 os << "VRegs: v"; 1170 first = false; 1171 } else { 1172 os << ", v"; 1173 } 1174 os << reg << " ("; 1175 switch (kind) { 1176 case kImpreciseConstant: 1177 os << "Imprecise Constant: " << kinds.at((reg * 2) + 1) << ", "; 1178 DescribeVReg(os, oat_method, code_item, reg, kind); 1179 break; 1180 case kConstant: 1181 os << "Constant: " << kinds.at((reg * 2) + 1); 1182 break; 1183 default: 1184 DescribeVReg(os, oat_method, code_item, reg, kind); 1185 break; 1186 } 1187 os << ")"; 1188 } 1189 } 1190 if (!first) { 1191 os << "\n"; 1192 } 1193 } 1194 1195 1196 void DumpDexCode(std::ostream& os, const DexFile& dex_file, const DexFile::CodeItem* code_item) { 1197 if (code_item != nullptr) { 1198 size_t i = 0; 1199 while (i < code_item->insns_size_in_code_units_) { 1200 const Instruction* instruction = Instruction::At(&code_item->insns_[i]); 1201 os << StringPrintf("0x%04zx: %s\n", i, instruction->DumpString(&dex_file).c_str()); 1202 i += instruction->SizeInCodeUnits(); 1203 } 1204 } 1205 } 1206 1207 verifier::MethodVerifier* DumpVerifier(std::ostream& os, uint32_t dex_method_idx, 1208 const DexFile* dex_file, 1209 const DexFile::ClassDef& class_def, 1210 const DexFile::CodeItem* code_item, 1211 uint32_t method_access_flags) { 1212 if ((method_access_flags & kAccNative) == 0) { 1213 ScopedObjectAccess soa(Thread::Current()); 1214 StackHandleScope<1> hs(soa.Self()); 1215 Handle<mirror::DexCache> dex_cache( 1216 hs.NewHandle(Runtime::Current()->GetClassLinker()->FindDexCache(*dex_file))); 1217 DCHECK(options_->class_loader_ != nullptr); 1218 return verifier::MethodVerifier::VerifyMethodAndDump(soa.Self(), os, dex_method_idx, dex_file, 1219 dex_cache, 1220 *options_->class_loader_, 1221 &class_def, code_item, 1222 NullHandle<mirror::ArtMethod>(), 1223 method_access_flags); 1224 } 1225 1226 return nullptr; 1227 } 1228 1229 void DumpCode(std::ostream& os, verifier::MethodVerifier* verifier, 1230 const OatFile::OatMethod& oat_method, const DexFile::CodeItem* code_item, 1231 bool bad_input, size_t code_size) { 1232 const void* portable_code = oat_method.GetPortableCode(); 1233 const void* quick_code = oat_method.GetQuickCode(); 1234 1235 if (code_size == 0) { 1236 code_size = oat_method.GetQuickCodeSize(); 1237 } 1238 if ((code_size == 0) || ((portable_code == nullptr) && (quick_code == nullptr))) { 1239 os << "NO CODE!\n"; 1240 return; 1241 } else if (quick_code != nullptr) { 1242 const uint8_t* quick_native_pc = reinterpret_cast<const uint8_t*>(quick_code); 1243 size_t offset = 0; 1244 while (offset < code_size) { 1245 if (!bad_input) { 1246 DumpMappingAtOffset(os, oat_method, offset, false); 1247 } 1248 offset += disassembler_->Dump(os, quick_native_pc + offset); 1249 if (!bad_input) { 1250 uint32_t dex_pc = DumpMappingAtOffset(os, oat_method, offset, true); 1251 if (dex_pc != DexFile::kDexNoIndex) { 1252 DumpGcMapAtNativePcOffset(os, oat_method, code_item, offset); 1253 if (verifier != nullptr) { 1254 DumpVRegsAtDexPc(os, verifier, oat_method, code_item, dex_pc); 1255 } 1256 } 1257 } 1258 } 1259 } else { 1260 CHECK(portable_code != nullptr); 1261 CHECK_EQ(code_size, 0U); // TODO: disassembly of portable is currently not supported. 1262 } 1263 } 1264 1265 const OatFile& oat_file_; 1266 const std::vector<const OatFile::OatDexFile*> oat_dex_files_; 1267 const OatDumperOptions* options_; 1268 InstructionSet instruction_set_; 1269 std::set<uintptr_t> offsets_; 1270 Disassembler* disassembler_; 1271}; 1272 1273class ImageDumper { 1274 public: 1275 explicit ImageDumper(std::ostream* os, gc::space::ImageSpace& image_space, 1276 const ImageHeader& image_header, OatDumperOptions* oat_dumper_options) 1277 : os_(os), 1278 image_space_(image_space), 1279 image_header_(image_header), 1280 oat_dumper_options_(oat_dumper_options) {} 1281 1282 bool Dump() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1283 std::ostream& os = *os_; 1284 os << "MAGIC: " << image_header_.GetMagic() << "\n\n"; 1285 1286 os << "IMAGE BEGIN: " << reinterpret_cast<void*>(image_header_.GetImageBegin()) << "\n\n"; 1287 1288 os << "IMAGE BITMAP OFFSET: " << reinterpret_cast<void*>(image_header_.GetImageBitmapOffset()) 1289 << " SIZE: " << reinterpret_cast<void*>(image_header_.GetImageBitmapSize()) << "\n\n"; 1290 1291 os << "OAT CHECKSUM: " << StringPrintf("0x%08x\n\n", image_header_.GetOatChecksum()); 1292 1293 os << "OAT FILE BEGIN:" << reinterpret_cast<void*>(image_header_.GetOatFileBegin()) << "\n\n"; 1294 1295 os << "OAT DATA BEGIN:" << reinterpret_cast<void*>(image_header_.GetOatDataBegin()) << "\n\n"; 1296 1297 os << "OAT DATA END:" << reinterpret_cast<void*>(image_header_.GetOatDataEnd()) << "\n\n"; 1298 1299 os << "OAT FILE END:" << reinterpret_cast<void*>(image_header_.GetOatFileEnd()) << "\n\n"; 1300 1301 os << "PATCH DELTA:" << image_header_.GetPatchDelta() << "\n\n"; 1302 1303 os << "COMPILE PIC: " << (image_header_.CompilePic() ? "yes" : "no") << "\n\n"; 1304 1305 { 1306 os << "ROOTS: " << reinterpret_cast<void*>(image_header_.GetImageRoots()) << "\n"; 1307 Indenter indent1_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 1308 std::ostream indent1_os(&indent1_filter); 1309 CHECK_EQ(arraysize(image_roots_descriptions_), size_t(ImageHeader::kImageRootsMax)); 1310 for (int i = 0; i < ImageHeader::kImageRootsMax; i++) { 1311 ImageHeader::ImageRoot image_root = static_cast<ImageHeader::ImageRoot>(i); 1312 const char* image_root_description = image_roots_descriptions_[i]; 1313 mirror::Object* image_root_object = image_header_.GetImageRoot(image_root); 1314 indent1_os << StringPrintf("%s: %p\n", image_root_description, image_root_object); 1315 if (image_root_object->IsObjectArray()) { 1316 Indenter indent2_filter(indent1_os.rdbuf(), kIndentChar, kIndentBy1Count); 1317 std::ostream indent2_os(&indent2_filter); 1318 mirror::ObjectArray<mirror::Object>* image_root_object_array 1319 = image_root_object->AsObjectArray<mirror::Object>(); 1320 for (int j = 0; j < image_root_object_array->GetLength(); j++) { 1321 mirror::Object* value = image_root_object_array->Get(j); 1322 size_t run = 0; 1323 for (int32_t k = j + 1; k < image_root_object_array->GetLength(); k++) { 1324 if (value == image_root_object_array->Get(k)) { 1325 run++; 1326 } else { 1327 break; 1328 } 1329 } 1330 if (run == 0) { 1331 indent2_os << StringPrintf("%d: ", j); 1332 } else { 1333 indent2_os << StringPrintf("%d to %zd: ", j, j + run); 1334 j = j + run; 1335 } 1336 if (value != nullptr) { 1337 PrettyObjectValue(indent2_os, value->GetClass(), value); 1338 } else { 1339 indent2_os << j << ": null\n"; 1340 } 1341 } 1342 } 1343 } 1344 } 1345 os << "\n"; 1346 1347 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1348 std::string image_filename = image_space_.GetImageFilename(); 1349 std::string oat_location = ImageHeader::GetOatLocationFromImageLocation(image_filename); 1350 os << "OAT LOCATION: " << oat_location; 1351 os << "\n"; 1352 std::string error_msg; 1353 const OatFile* oat_file = class_linker->FindOpenedOatFileFromOatLocation(oat_location); 1354 if (oat_file == nullptr) { 1355 oat_file = OatFile::Open(oat_location, oat_location, nullptr, nullptr, false, &error_msg); 1356 if (oat_file == nullptr) { 1357 os << "NOT FOUND: " << error_msg << "\n"; 1358 return false; 1359 } 1360 } 1361 os << "\n"; 1362 1363 stats_.oat_file_bytes = oat_file->Size(); 1364 1365 oat_dumper_.reset(new OatDumper(*oat_file, oat_dumper_options_.release())); 1366 1367 for (const OatFile::OatDexFile* oat_dex_file : oat_file->GetOatDexFiles()) { 1368 CHECK(oat_dex_file != nullptr); 1369 stats_.oat_dex_file_sizes.push_back(std::make_pair(oat_dex_file->GetDexFileLocation(), 1370 oat_dex_file->FileSize())); 1371 } 1372 1373 os << "OBJECTS:\n" << std::flush; 1374 1375 // Loop through all the image spaces and dump their objects. 1376 gc::Heap* heap = Runtime::Current()->GetHeap(); 1377 const std::vector<gc::space::ContinuousSpace*>& spaces = heap->GetContinuousSpaces(); 1378 Thread* self = Thread::Current(); 1379 { 1380 { 1381 WriterMutexLock mu(self, *Locks::heap_bitmap_lock_); 1382 heap->FlushAllocStack(); 1383 } 1384 // Since FlushAllocStack() above resets the (active) allocation 1385 // stack. Need to revoke the thread-local allocation stacks that 1386 // point into it. 1387 { 1388 self->TransitionFromRunnableToSuspended(kNative); 1389 ThreadList* thread_list = Runtime::Current()->GetThreadList(); 1390 thread_list->SuspendAll(); 1391 heap->RevokeAllThreadLocalAllocationStacks(self); 1392 thread_list->ResumeAll(); 1393 self->TransitionFromSuspendedToRunnable(); 1394 } 1395 } 1396 { 1397 std::ostream* saved_os = os_; 1398 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 1399 std::ostream indent_os(&indent_filter); 1400 os_ = &indent_os; 1401 ReaderMutexLock mu(self, *Locks::heap_bitmap_lock_); 1402 for (const auto& space : spaces) { 1403 if (space->IsImageSpace()) { 1404 gc::space::ImageSpace* image_space = space->AsImageSpace(); 1405 image_space->GetLiveBitmap()->Walk(ImageDumper::Callback, this); 1406 indent_os << "\n"; 1407 } 1408 } 1409 // Dump the large objects separately. 1410 heap->GetLargeObjectsSpace()->GetLiveBitmap()->Walk(ImageDumper::Callback, this); 1411 indent_os << "\n"; 1412 os_ = saved_os; 1413 } 1414 os << "STATS:\n" << std::flush; 1415 std::unique_ptr<File> file(OS::OpenFileForReading(image_filename.c_str())); 1416 if (file.get() == nullptr) { 1417 LOG(WARNING) << "Failed to find image in " << image_filename; 1418 } 1419 if (file.get() != nullptr) { 1420 stats_.file_bytes = file->GetLength(); 1421 } 1422 size_t header_bytes = sizeof(ImageHeader); 1423 stats_.header_bytes = header_bytes; 1424 size_t alignment_bytes = RoundUp(header_bytes, kObjectAlignment) - header_bytes; 1425 stats_.alignment_bytes += alignment_bytes; 1426 stats_.alignment_bytes += image_header_.GetImageBitmapOffset() - image_header_.GetImageSize(); 1427 stats_.bitmap_bytes += image_header_.GetImageBitmapSize(); 1428 stats_.Dump(os); 1429 os << "\n"; 1430 1431 os << std::flush; 1432 1433 return oat_dumper_->Dump(os); 1434 } 1435 1436 private: 1437 static void PrettyObjectValue(std::ostream& os, mirror::Class* type, mirror::Object* value) 1438 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1439 CHECK(type != nullptr); 1440 if (value == nullptr) { 1441 os << StringPrintf("null %s\n", PrettyDescriptor(type).c_str()); 1442 } else if (type->IsStringClass()) { 1443 mirror::String* string = value->AsString(); 1444 os << StringPrintf("%p String: %s\n", string, 1445 PrintableString(string->ToModifiedUtf8().c_str()).c_str()); 1446 } else if (type->IsClassClass()) { 1447 mirror::Class* klass = value->AsClass(); 1448 os << StringPrintf("%p Class: %s\n", klass, PrettyDescriptor(klass).c_str()); 1449 } else if (type->IsArtFieldClass()) { 1450 mirror::ArtField* field = value->AsArtField(); 1451 os << StringPrintf("%p Field: %s\n", field, PrettyField(field).c_str()); 1452 } else if (type->IsArtMethodClass()) { 1453 mirror::ArtMethod* method = value->AsArtMethod(); 1454 os << StringPrintf("%p Method: %s\n", method, PrettyMethod(method).c_str()); 1455 } else { 1456 os << StringPrintf("%p %s\n", value, PrettyDescriptor(type).c_str()); 1457 } 1458 } 1459 1460 static void PrintField(std::ostream& os, mirror::ArtField* field, mirror::Object* obj) 1461 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1462 const char* descriptor = field->GetTypeDescriptor(); 1463 os << StringPrintf("%s: ", field->GetName()); 1464 if (descriptor[0] != 'L' && descriptor[0] != '[') { 1465 StackHandleScope<1> hs(Thread::Current()); 1466 FieldHelper fh(hs.NewHandle(field)); 1467 mirror::Class* type = fh.GetType(); 1468 DCHECK(type->IsPrimitive()); 1469 if (type->IsPrimitiveLong()) { 1470 os << StringPrintf("%" PRId64 " (0x%" PRIx64 ")\n", field->Get64(obj), field->Get64(obj)); 1471 } else if (type->IsPrimitiveDouble()) { 1472 os << StringPrintf("%f (%a)\n", field->GetDouble(obj), field->GetDouble(obj)); 1473 } else if (type->IsPrimitiveFloat()) { 1474 os << StringPrintf("%f (%a)\n", field->GetFloat(obj), field->GetFloat(obj)); 1475 } else if (type->IsPrimitiveInt()) { 1476 os << StringPrintf("%d (0x%x)\n", field->Get32(obj), field->Get32(obj)); 1477 } else if (type->IsPrimitiveChar()) { 1478 os << StringPrintf("%u (0x%x)\n", field->GetChar(obj), field->GetChar(obj)); 1479 } else if (type->IsPrimitiveShort()) { 1480 os << StringPrintf("%d (0x%x)\n", field->GetShort(obj), field->GetShort(obj)); 1481 } else if (type->IsPrimitiveBoolean()) { 1482 os << StringPrintf("%s (0x%x)\n", field->GetBoolean(obj)? "true" : "false", 1483 field->GetBoolean(obj)); 1484 } else if (type->IsPrimitiveByte()) { 1485 os << StringPrintf("%d (0x%x)\n", field->GetByte(obj), field->GetByte(obj)); 1486 } else { 1487 LOG(FATAL) << "Unknown type: " << PrettyClass(type); 1488 } 1489 } else { 1490 // Get the value, don't compute the type unless it is non-null as we don't want 1491 // to cause class loading. 1492 mirror::Object* value = field->GetObj(obj); 1493 if (value == nullptr) { 1494 os << StringPrintf("null %s\n", PrettyDescriptor(descriptor).c_str()); 1495 } else { 1496 // Grab the field type without causing resolution. 1497 StackHandleScope<1> hs(Thread::Current()); 1498 FieldHelper fh(hs.NewHandle(field)); 1499 mirror::Class* field_type = fh.GetType(false); 1500 if (field_type != nullptr) { 1501 PrettyObjectValue(os, field_type, value); 1502 } else { 1503 os << StringPrintf("%p %s\n", value, PrettyDescriptor(descriptor).c_str()); 1504 } 1505 } 1506 } 1507 } 1508 1509 static void DumpFields(std::ostream& os, mirror::Object* obj, mirror::Class* klass) 1510 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1511 mirror::Class* super = klass->GetSuperClass(); 1512 if (super != nullptr) { 1513 DumpFields(os, obj, super); 1514 } 1515 mirror::ObjectArray<mirror::ArtField>* fields = klass->GetIFields(); 1516 if (fields != nullptr) { 1517 for (int32_t i = 0; i < fields->GetLength(); i++) { 1518 mirror::ArtField* field = fields->Get(i); 1519 PrintField(os, field, obj); 1520 } 1521 } 1522 } 1523 1524 bool InDumpSpace(const mirror::Object* object) { 1525 return image_space_.Contains(object); 1526 } 1527 1528 const void* GetQuickOatCodeBegin(mirror::ArtMethod* m) 1529 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1530 const void* quick_code = m->GetEntryPointFromQuickCompiledCodePtrSize( 1531 InstructionSetPointerSize(oat_dumper_->GetOatInstructionSet())); 1532 if (Runtime::Current()->GetClassLinker()->IsQuickResolutionStub(quick_code)) { 1533 quick_code = oat_dumper_->GetQuickOatCode(m); 1534 } 1535 if (oat_dumper_->GetInstructionSet() == kThumb2) { 1536 quick_code = reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(quick_code) & ~0x1); 1537 } 1538 return quick_code; 1539 } 1540 1541 uint32_t GetQuickOatCodeSize(mirror::ArtMethod* m) 1542 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1543 const uint32_t* oat_code_begin = reinterpret_cast<const uint32_t*>(GetQuickOatCodeBegin(m)); 1544 if (oat_code_begin == nullptr) { 1545 return 0; 1546 } 1547 return oat_code_begin[-1]; 1548 } 1549 1550 const void* GetQuickOatCodeEnd(mirror::ArtMethod* m) 1551 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1552 const uint8_t* oat_code_begin = reinterpret_cast<const uint8_t*>(GetQuickOatCodeBegin(m)); 1553 if (oat_code_begin == nullptr) { 1554 return nullptr; 1555 } 1556 return oat_code_begin + GetQuickOatCodeSize(m); 1557 } 1558 1559 static void Callback(mirror::Object* obj, void* arg) 1560 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1561 DCHECK(obj != nullptr); 1562 DCHECK(arg != nullptr); 1563 ImageDumper* state = reinterpret_cast<ImageDumper*>(arg); 1564 if (!state->InDumpSpace(obj)) { 1565 return; 1566 } 1567 1568 size_t object_bytes = obj->SizeOf(); 1569 size_t alignment_bytes = RoundUp(object_bytes, kObjectAlignment) - object_bytes; 1570 state->stats_.object_bytes += object_bytes; 1571 state->stats_.alignment_bytes += alignment_bytes; 1572 1573 std::ostream& os = *state->os_; 1574 mirror::Class* obj_class = obj->GetClass(); 1575 if (obj_class->IsArrayClass()) { 1576 os << StringPrintf("%p: %s length:%d\n", obj, PrettyDescriptor(obj_class).c_str(), 1577 obj->AsArray()->GetLength()); 1578 } else if (obj->IsClass()) { 1579 mirror::Class* klass = obj->AsClass(); 1580 os << StringPrintf("%p: java.lang.Class \"%s\" (", obj, PrettyDescriptor(klass).c_str()) 1581 << klass->GetStatus() << ")\n"; 1582 } else if (obj->IsArtField()) { 1583 os << StringPrintf("%p: java.lang.reflect.ArtField %s\n", obj, 1584 PrettyField(obj->AsArtField()).c_str()); 1585 } else if (obj->IsArtMethod()) { 1586 os << StringPrintf("%p: java.lang.reflect.ArtMethod %s\n", obj, 1587 PrettyMethod(obj->AsArtMethod()).c_str()); 1588 } else if (obj_class->IsStringClass()) { 1589 os << StringPrintf("%p: java.lang.String %s\n", obj, 1590 PrintableString(obj->AsString()->ToModifiedUtf8().c_str()).c_str()); 1591 } else { 1592 os << StringPrintf("%p: %s\n", obj, PrettyDescriptor(obj_class).c_str()); 1593 } 1594 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 1595 std::ostream indent_os(&indent_filter); 1596 DumpFields(indent_os, obj, obj_class); 1597 if (obj->IsObjectArray()) { 1598 mirror::ObjectArray<mirror::Object>* obj_array = obj->AsObjectArray<mirror::Object>(); 1599 int32_t length = obj_array->GetLength(); 1600 for (int32_t i = 0; i < length; i++) { 1601 mirror::Object* value = obj_array->Get(i); 1602 size_t run = 0; 1603 for (int32_t j = i + 1; j < length; j++) { 1604 if (value == obj_array->Get(j)) { 1605 run++; 1606 } else { 1607 break; 1608 } 1609 } 1610 if (run == 0) { 1611 indent_os << StringPrintf("%d: ", i); 1612 } else { 1613 indent_os << StringPrintf("%d to %zd: ", i, i + run); 1614 i = i + run; 1615 } 1616 mirror::Class* value_class = 1617 (value == nullptr) ? obj_class->GetComponentType() : value->GetClass(); 1618 PrettyObjectValue(indent_os, value_class, value); 1619 } 1620 } else if (obj->IsClass()) { 1621 mirror::ObjectArray<mirror::ArtField>* sfields = obj->AsClass()->GetSFields(); 1622 if (sfields != nullptr) { 1623 indent_os << "STATICS:\n"; 1624 Indenter indent2_filter(indent_os.rdbuf(), kIndentChar, kIndentBy1Count); 1625 std::ostream indent2_os(&indent2_filter); 1626 for (int32_t i = 0; i < sfields->GetLength(); i++) { 1627 mirror::ArtField* field = sfields->Get(i); 1628 PrintField(indent2_os, field, field->GetDeclaringClass()); 1629 } 1630 } 1631 } else if (obj->IsArtMethod()) { 1632 const size_t image_pointer_size = InstructionSetPointerSize( 1633 state->oat_dumper_->GetOatInstructionSet()); 1634 mirror::ArtMethod* method = obj->AsArtMethod(); 1635 if (method->IsNative()) { 1636 // TODO: portable dumping. 1637 DCHECK(method->GetNativeGcMapPtrSize(image_pointer_size) == nullptr) 1638 << PrettyMethod(method); 1639 DCHECK(method->GetMappingTable(image_pointer_size) == nullptr) << PrettyMethod(method); 1640 bool first_occurrence; 1641 const void* quick_oat_code = state->GetQuickOatCodeBegin(method); 1642 uint32_t quick_oat_code_size = state->GetQuickOatCodeSize(method); 1643 state->ComputeOatSize(quick_oat_code, &first_occurrence); 1644 if (first_occurrence) { 1645 state->stats_.native_to_managed_code_bytes += quick_oat_code_size; 1646 } 1647 if (quick_oat_code != method->GetEntryPointFromQuickCompiledCodePtrSize( 1648 image_pointer_size)) { 1649 indent_os << StringPrintf("OAT CODE: %p\n", quick_oat_code); 1650 } 1651 } else if (method->IsAbstract() || method->IsCalleeSaveMethod() || 1652 method->IsResolutionMethod() || method->IsImtConflictMethod() || 1653 method->IsImtUnimplementedMethod() || method->IsClassInitializer()) { 1654 DCHECK(method->GetNativeGcMapPtrSize(image_pointer_size) == nullptr) 1655 << PrettyMethod(method); 1656 DCHECK(method->GetMappingTable(image_pointer_size) == nullptr) << PrettyMethod(method); 1657 } else { 1658 const DexFile::CodeItem* code_item = method->GetCodeItem(); 1659 size_t dex_instruction_bytes = code_item->insns_size_in_code_units_ * 2; 1660 state->stats_.dex_instruction_bytes += dex_instruction_bytes; 1661 1662 bool first_occurrence; 1663 size_t gc_map_bytes = state->ComputeOatSize( 1664 method->GetNativeGcMapPtrSize(image_pointer_size), &first_occurrence); 1665 if (first_occurrence) { 1666 state->stats_.gc_map_bytes += gc_map_bytes; 1667 } 1668 1669 size_t pc_mapping_table_bytes = 1670 state->ComputeOatSize(method->GetMappingTable(image_pointer_size), &first_occurrence); 1671 if (first_occurrence) { 1672 state->stats_.pc_mapping_table_bytes += pc_mapping_table_bytes; 1673 } 1674 1675 size_t vmap_table_bytes = 1676 state->ComputeOatSize(method->GetVmapTable(image_pointer_size), &first_occurrence); 1677 if (first_occurrence) { 1678 state->stats_.vmap_table_bytes += vmap_table_bytes; 1679 } 1680 1681 // TODO: portable dumping. 1682 const void* quick_oat_code_begin = state->GetQuickOatCodeBegin(method); 1683 const void* quick_oat_code_end = state->GetQuickOatCodeEnd(method); 1684 uint32_t quick_oat_code_size = state->GetQuickOatCodeSize(method); 1685 state->ComputeOatSize(quick_oat_code_begin, &first_occurrence); 1686 if (first_occurrence) { 1687 state->stats_.managed_code_bytes += quick_oat_code_size; 1688 if (method->IsConstructor()) { 1689 if (method->IsStatic()) { 1690 state->stats_.class_initializer_code_bytes += quick_oat_code_size; 1691 } else if (dex_instruction_bytes > kLargeConstructorDexBytes) { 1692 state->stats_.large_initializer_code_bytes += quick_oat_code_size; 1693 } 1694 } else if (dex_instruction_bytes > kLargeMethodDexBytes) { 1695 state->stats_.large_method_code_bytes += quick_oat_code_size; 1696 } 1697 } 1698 state->stats_.managed_code_bytes_ignoring_deduplication += quick_oat_code_size; 1699 1700 indent_os << StringPrintf("OAT CODE: %p-%p\n", quick_oat_code_begin, quick_oat_code_end); 1701 indent_os << StringPrintf("SIZE: Dex Instructions=%zd GC=%zd Mapping=%zd\n", 1702 dex_instruction_bytes, gc_map_bytes, pc_mapping_table_bytes); 1703 1704 size_t total_size = dex_instruction_bytes + gc_map_bytes + pc_mapping_table_bytes + 1705 vmap_table_bytes + quick_oat_code_size + object_bytes; 1706 1707 double expansion = 1708 static_cast<double>(quick_oat_code_size) / static_cast<double>(dex_instruction_bytes); 1709 state->stats_.ComputeOutliers(total_size, expansion, method); 1710 } 1711 } 1712 std::string temp; 1713 state->stats_.Update(obj_class->GetDescriptor(&temp), object_bytes); 1714 } 1715 1716 std::set<const void*> already_seen_; 1717 // Compute the size of the given data within the oat file and whether this is the first time 1718 // this data has been requested 1719 size_t ComputeOatSize(const void* oat_data, bool* first_occurrence) { 1720 if (already_seen_.count(oat_data) == 0) { 1721 *first_occurrence = true; 1722 already_seen_.insert(oat_data); 1723 } else { 1724 *first_occurrence = false; 1725 } 1726 return oat_dumper_->ComputeSize(oat_data); 1727 } 1728 1729 public: 1730 struct Stats { 1731 size_t oat_file_bytes; 1732 size_t file_bytes; 1733 1734 size_t header_bytes; 1735 size_t object_bytes; 1736 size_t bitmap_bytes; 1737 size_t alignment_bytes; 1738 1739 size_t managed_code_bytes; 1740 size_t managed_code_bytes_ignoring_deduplication; 1741 size_t managed_to_native_code_bytes; 1742 size_t native_to_managed_code_bytes; 1743 size_t class_initializer_code_bytes; 1744 size_t large_initializer_code_bytes; 1745 size_t large_method_code_bytes; 1746 1747 size_t gc_map_bytes; 1748 size_t pc_mapping_table_bytes; 1749 size_t vmap_table_bytes; 1750 1751 size_t dex_instruction_bytes; 1752 1753 std::vector<mirror::ArtMethod*> method_outlier; 1754 std::vector<size_t> method_outlier_size; 1755 std::vector<double> method_outlier_expansion; 1756 std::vector<std::pair<std::string, size_t>> oat_dex_file_sizes; 1757 1758 explicit Stats() 1759 : oat_file_bytes(0), 1760 file_bytes(0), 1761 header_bytes(0), 1762 object_bytes(0), 1763 bitmap_bytes(0), 1764 alignment_bytes(0), 1765 managed_code_bytes(0), 1766 managed_code_bytes_ignoring_deduplication(0), 1767 managed_to_native_code_bytes(0), 1768 native_to_managed_code_bytes(0), 1769 class_initializer_code_bytes(0), 1770 large_initializer_code_bytes(0), 1771 large_method_code_bytes(0), 1772 gc_map_bytes(0), 1773 pc_mapping_table_bytes(0), 1774 vmap_table_bytes(0), 1775 dex_instruction_bytes(0) {} 1776 1777 struct SizeAndCount { 1778 SizeAndCount(size_t bytes_in, size_t count_in) : bytes(bytes_in), count(count_in) {} 1779 size_t bytes; 1780 size_t count; 1781 }; 1782 typedef SafeMap<std::string, SizeAndCount> SizeAndCountTable; 1783 SizeAndCountTable sizes_and_counts; 1784 1785 void Update(const char* descriptor, size_t object_bytes_in) { 1786 SizeAndCountTable::iterator it = sizes_and_counts.find(descriptor); 1787 if (it != sizes_and_counts.end()) { 1788 it->second.bytes += object_bytes_in; 1789 it->second.count += 1; 1790 } else { 1791 sizes_and_counts.Put(descriptor, SizeAndCount(object_bytes_in, 1)); 1792 } 1793 } 1794 1795 double PercentOfOatBytes(size_t size) { 1796 return (static_cast<double>(size) / static_cast<double>(oat_file_bytes)) * 100; 1797 } 1798 1799 double PercentOfFileBytes(size_t size) { 1800 return (static_cast<double>(size) / static_cast<double>(file_bytes)) * 100; 1801 } 1802 1803 double PercentOfObjectBytes(size_t size) { 1804 return (static_cast<double>(size) / static_cast<double>(object_bytes)) * 100; 1805 } 1806 1807 void ComputeOutliers(size_t total_size, double expansion, mirror::ArtMethod* method) { 1808 method_outlier_size.push_back(total_size); 1809 method_outlier_expansion.push_back(expansion); 1810 method_outlier.push_back(method); 1811 } 1812 1813 void DumpOutliers(std::ostream& os) 1814 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1815 size_t sum_of_sizes = 0; 1816 size_t sum_of_sizes_squared = 0; 1817 size_t sum_of_expansion = 0; 1818 size_t sum_of_expansion_squared = 0; 1819 size_t n = method_outlier_size.size(); 1820 for (size_t i = 0; i < n; i++) { 1821 size_t cur_size = method_outlier_size[i]; 1822 sum_of_sizes += cur_size; 1823 sum_of_sizes_squared += cur_size * cur_size; 1824 double cur_expansion = method_outlier_expansion[i]; 1825 sum_of_expansion += cur_expansion; 1826 sum_of_expansion_squared += cur_expansion * cur_expansion; 1827 } 1828 size_t size_mean = sum_of_sizes / n; 1829 size_t size_variance = (sum_of_sizes_squared - sum_of_sizes * size_mean) / (n - 1); 1830 double expansion_mean = sum_of_expansion / n; 1831 double expansion_variance = 1832 (sum_of_expansion_squared - sum_of_expansion * expansion_mean) / (n - 1); 1833 1834 // Dump methods whose size is a certain number of standard deviations from the mean 1835 size_t dumped_values = 0; 1836 size_t skipped_values = 0; 1837 for (size_t i = 100; i > 0; i--) { // i is the current number of standard deviations 1838 size_t cur_size_variance = i * i * size_variance; 1839 bool first = true; 1840 for (size_t j = 0; j < n; j++) { 1841 size_t cur_size = method_outlier_size[j]; 1842 if (cur_size > size_mean) { 1843 size_t cur_var = cur_size - size_mean; 1844 cur_var = cur_var * cur_var; 1845 if (cur_var > cur_size_variance) { 1846 if (dumped_values > 20) { 1847 if (i == 1) { 1848 skipped_values++; 1849 } else { 1850 i = 2; // jump to counting for 1 standard deviation 1851 break; 1852 } 1853 } else { 1854 if (first) { 1855 os << "\nBig methods (size > " << i << " standard deviations the norm):\n"; 1856 first = false; 1857 } 1858 os << PrettyMethod(method_outlier[j]) << " requires storage of " 1859 << PrettySize(cur_size) << "\n"; 1860 method_outlier_size[j] = 0; // don't consider this method again 1861 dumped_values++; 1862 } 1863 } 1864 } 1865 } 1866 } 1867 if (skipped_values > 0) { 1868 os << "... skipped " << skipped_values 1869 << " methods with size > 1 standard deviation from the norm\n"; 1870 } 1871 os << std::flush; 1872 1873 // Dump methods whose expansion is a certain number of standard deviations from the mean 1874 dumped_values = 0; 1875 skipped_values = 0; 1876 for (size_t i = 10; i > 0; i--) { // i is the current number of standard deviations 1877 double cur_expansion_variance = i * i * expansion_variance; 1878 bool first = true; 1879 for (size_t j = 0; j < n; j++) { 1880 double cur_expansion = method_outlier_expansion[j]; 1881 if (cur_expansion > expansion_mean) { 1882 size_t cur_var = cur_expansion - expansion_mean; 1883 cur_var = cur_var * cur_var; 1884 if (cur_var > cur_expansion_variance) { 1885 if (dumped_values > 20) { 1886 if (i == 1) { 1887 skipped_values++; 1888 } else { 1889 i = 2; // jump to counting for 1 standard deviation 1890 break; 1891 } 1892 } else { 1893 if (first) { 1894 os << "\nLarge expansion methods (size > " << i 1895 << " standard deviations the norm):\n"; 1896 first = false; 1897 } 1898 os << PrettyMethod(method_outlier[j]) << " expanded code by " 1899 << cur_expansion << "\n"; 1900 method_outlier_expansion[j] = 0.0; // don't consider this method again 1901 dumped_values++; 1902 } 1903 } 1904 } 1905 } 1906 } 1907 if (skipped_values > 0) { 1908 os << "... skipped " << skipped_values 1909 << " methods with expansion > 1 standard deviation from the norm\n"; 1910 } 1911 os << "\n" << std::flush; 1912 } 1913 1914 void Dump(std::ostream& os) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1915 { 1916 os << "art_file_bytes = " << PrettySize(file_bytes) << "\n\n" 1917 << "art_file_bytes = header_bytes + object_bytes + alignment_bytes\n"; 1918 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 1919 std::ostream indent_os(&indent_filter); 1920 indent_os << StringPrintf("header_bytes = %8zd (%2.0f%% of art file bytes)\n" 1921 "object_bytes = %8zd (%2.0f%% of art file bytes)\n" 1922 "bitmap_bytes = %8zd (%2.0f%% of art file bytes)\n" 1923 "alignment_bytes = %8zd (%2.0f%% of art file bytes)\n\n", 1924 header_bytes, PercentOfFileBytes(header_bytes), 1925 object_bytes, PercentOfFileBytes(object_bytes), 1926 bitmap_bytes, PercentOfFileBytes(bitmap_bytes), 1927 alignment_bytes, PercentOfFileBytes(alignment_bytes)) 1928 << std::flush; 1929 CHECK_EQ(file_bytes, bitmap_bytes + header_bytes + object_bytes + alignment_bytes); 1930 } 1931 1932 os << "object_bytes breakdown:\n"; 1933 size_t object_bytes_total = 0; 1934 for (const auto& sizes_and_count : sizes_and_counts) { 1935 const std::string& descriptor(sizes_and_count.first); 1936 double average = static_cast<double>(sizes_and_count.second.bytes) / 1937 static_cast<double>(sizes_and_count.second.count); 1938 double percent = PercentOfObjectBytes(sizes_and_count.second.bytes); 1939 os << StringPrintf("%32s %8zd bytes %6zd instances " 1940 "(%4.0f bytes/instance) %2.0f%% of object_bytes\n", 1941 descriptor.c_str(), sizes_and_count.second.bytes, 1942 sizes_and_count.second.count, average, percent); 1943 object_bytes_total += sizes_and_count.second.bytes; 1944 } 1945 os << "\n" << std::flush; 1946 CHECK_EQ(object_bytes, object_bytes_total); 1947 1948 os << StringPrintf("oat_file_bytes = %8zd\n" 1949 "managed_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1950 "managed_to_native_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1951 "native_to_managed_code_bytes = %8zd (%2.0f%% of oat file bytes)\n\n" 1952 "class_initializer_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1953 "large_initializer_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1954 "large_method_code_bytes = %8zd (%2.0f%% of oat file bytes)\n\n", 1955 oat_file_bytes, 1956 managed_code_bytes, 1957 PercentOfOatBytes(managed_code_bytes), 1958 managed_to_native_code_bytes, 1959 PercentOfOatBytes(managed_to_native_code_bytes), 1960 native_to_managed_code_bytes, 1961 PercentOfOatBytes(native_to_managed_code_bytes), 1962 class_initializer_code_bytes, 1963 PercentOfOatBytes(class_initializer_code_bytes), 1964 large_initializer_code_bytes, 1965 PercentOfOatBytes(large_initializer_code_bytes), 1966 large_method_code_bytes, 1967 PercentOfOatBytes(large_method_code_bytes)) 1968 << "DexFile sizes:\n"; 1969 for (const std::pair<std::string, size_t>& oat_dex_file_size : oat_dex_file_sizes) { 1970 os << StringPrintf("%s = %zd (%2.0f%% of oat file bytes)\n", 1971 oat_dex_file_size.first.c_str(), oat_dex_file_size.second, 1972 PercentOfOatBytes(oat_dex_file_size.second)); 1973 } 1974 1975 os << "\n" << StringPrintf("gc_map_bytes = %7zd (%2.0f%% of oat file bytes)\n" 1976 "pc_mapping_table_bytes = %7zd (%2.0f%% of oat file bytes)\n" 1977 "vmap_table_bytes = %7zd (%2.0f%% of oat file bytes)\n\n", 1978 gc_map_bytes, PercentOfOatBytes(gc_map_bytes), 1979 pc_mapping_table_bytes, PercentOfOatBytes(pc_mapping_table_bytes), 1980 vmap_table_bytes, PercentOfOatBytes(vmap_table_bytes)) 1981 << std::flush; 1982 1983 os << StringPrintf("dex_instruction_bytes = %zd\n", dex_instruction_bytes) 1984 << StringPrintf("managed_code_bytes expansion = %.2f (ignoring deduplication %.2f)\n\n", 1985 static_cast<double>(managed_code_bytes) / 1986 static_cast<double>(dex_instruction_bytes), 1987 static_cast<double>(managed_code_bytes_ignoring_deduplication) / 1988 static_cast<double>(dex_instruction_bytes)) 1989 << std::flush; 1990 1991 DumpOutliers(os); 1992 } 1993 } stats_; 1994 1995 private: 1996 enum { 1997 // Number of bytes for a constructor to be considered large. Based on the 1000 basic block 1998 // threshold, we assume 2 bytes per instruction and 2 instructions per block. 1999 kLargeConstructorDexBytes = 4000, 2000 // Number of bytes for a method to be considered large. Based on the 4000 basic block 2001 // threshold, we assume 2 bytes per instruction and 2 instructions per block. 2002 kLargeMethodDexBytes = 16000 2003 }; 2004 std::ostream* os_; 2005 gc::space::ImageSpace& image_space_; 2006 const ImageHeader& image_header_; 2007 std::unique_ptr<OatDumper> oat_dumper_; 2008 std::unique_ptr<OatDumperOptions> oat_dumper_options_; 2009 2010 DISALLOW_COPY_AND_ASSIGN(ImageDumper); 2011}; 2012 2013static NoopCompilerCallbacks callbacks; 2014 2015static Runtime* StartRuntime(const char* boot_image_location, const char* image_location, 2016 InstructionSet instruction_set) { 2017 RuntimeOptions options; 2018 std::string image_option; 2019 std::string oat_option; 2020 std::string boot_image_option; 2021 std::string boot_oat_option; 2022 2023 // We are more like a compiler than a run-time. We don't want to execute code. 2024 options.push_back(std::make_pair("compilercallbacks", &callbacks)); 2025 2026 if (boot_image_location != nullptr) { 2027 boot_image_option += "-Ximage:"; 2028 boot_image_option += boot_image_location; 2029 options.push_back(std::make_pair(boot_image_option.c_str(), nullptr)); 2030 } 2031 if (image_location != nullptr) { 2032 image_option += "-Ximage:"; 2033 image_option += image_location; 2034 options.push_back(std::make_pair(image_option.c_str(), nullptr)); 2035 } 2036 options.push_back( 2037 std::make_pair("imageinstructionset", 2038 reinterpret_cast<const void*>(GetInstructionSetString(instruction_set)))); 2039 2040 if (!Runtime::Create(options, false)) { 2041 fprintf(stderr, "Failed to create runtime\n"); 2042 return nullptr; 2043 } 2044 2045 // Runtime::Create acquired the mutator_lock_ that is normally given away when we Runtime::Start, 2046 // give it away now and then switch to a more manageable ScopedObjectAccess. 2047 Thread::Current()->TransitionFromRunnableToSuspended(kNative); 2048 2049 return Runtime::Current(); 2050} 2051 2052static int DumpImage(Runtime* runtime, const char* image_location, OatDumperOptions* options, 2053 std::ostream* os) { 2054 // Dumping the image, no explicit class loader. 2055 NullHandle<mirror::ClassLoader> null_class_loader; 2056 options->class_loader_ = &null_class_loader; 2057 2058 ScopedObjectAccess soa(Thread::Current()); 2059 gc::Heap* heap = runtime->GetHeap(); 2060 gc::space::ImageSpace* image_space = heap->GetImageSpace(); 2061 CHECK(image_space != nullptr); 2062 const ImageHeader& image_header = image_space->GetImageHeader(); 2063 if (!image_header.IsValid()) { 2064 fprintf(stderr, "Invalid image header %s\n", image_location); 2065 return EXIT_FAILURE; 2066 } 2067 ImageDumper image_dumper(os, *image_space, image_header, options); 2068 bool success = image_dumper.Dump(); 2069 return (success) ? EXIT_SUCCESS : EXIT_FAILURE; 2070} 2071 2072static int DumpOatWithRuntime(Runtime* runtime, OatFile* oat_file, OatDumperOptions* options, 2073 std::ostream* os) { 2074 CHECK(runtime != nullptr && oat_file != nullptr && options != nullptr); 2075 2076 Thread* self = Thread::Current(); 2077 CHECK(self != nullptr); 2078 // Need well-known-classes. 2079 WellKnownClasses::Init(self->GetJniEnv()); 2080 2081 // Need to register dex files to get a working dex cache. 2082 ScopedObjectAccess soa(self); 2083 ClassLinker* class_linker = runtime->GetClassLinker(); 2084 class_linker->RegisterOatFile(oat_file); 2085 std::vector<const DexFile*> dex_files; 2086 for (const OatFile::OatDexFile* odf : oat_file->GetOatDexFiles()) { 2087 std::string error_msg; 2088 const DexFile* dex_file = odf->OpenDexFile(&error_msg); 2089 CHECK(dex_file != nullptr) << error_msg; 2090 class_linker->RegisterDexFile(*dex_file); 2091 dex_files.push_back(dex_file); 2092 } 2093 2094 // Need a class loader. 2095 soa.Env()->AllocObject(WellKnownClasses::dalvik_system_PathClassLoader); 2096 ScopedLocalRef<jobject> class_loader_local(soa.Env(), 2097 soa.Env()->AllocObject(WellKnownClasses::dalvik_system_PathClassLoader)); 2098 jobject class_loader = soa.Env()->NewGlobalRef(class_loader_local.get()); 2099 // Fake that we're a compiler. 2100 runtime->SetCompileTimeClassPath(class_loader, dex_files); 2101 2102 // Use the class loader while dumping. 2103 StackHandleScope<1> scope(self); 2104 Handle<mirror::ClassLoader> loader_handle = scope.NewHandle( 2105 soa.Decode<mirror::ClassLoader*>(class_loader)); 2106 options->class_loader_ = &loader_handle; 2107 2108 OatDumper oat_dumper(*oat_file, options); 2109 bool success = oat_dumper.Dump(*os); 2110 return (success) ? EXIT_SUCCESS : EXIT_FAILURE; 2111} 2112 2113static int DumpOatWithoutRuntime(OatFile* oat_file, OatDumperOptions* options, std::ostream* os) { 2114 // No image = no class loader. 2115 NullHandle<mirror::ClassLoader> null_class_loader; 2116 options->class_loader_ = &null_class_loader; 2117 2118 OatDumper oat_dumper(*oat_file, options); 2119 bool success = oat_dumper.Dump(*os); 2120 return (success) ? EXIT_SUCCESS : EXIT_FAILURE; 2121} 2122 2123static int DumpOat(Runtime* runtime, const char* oat_filename, OatDumperOptions* options, 2124 std::ostream* os) { 2125 std::string error_msg; 2126 OatFile* oat_file = OatFile::Open(oat_filename, oat_filename, nullptr, nullptr, false, &error_msg); 2127 if (oat_file == nullptr) { 2128 fprintf(stderr, "Failed to open oat file from '%s': %s\n", oat_filename, error_msg.c_str()); 2129 return EXIT_FAILURE; 2130 } 2131 2132 if (runtime != nullptr) { 2133 return DumpOatWithRuntime(runtime, oat_file, options, os); 2134 } else { 2135 return DumpOatWithoutRuntime(oat_file, options, os); 2136 } 2137} 2138 2139static int SymbolizeOat(const char* oat_filename, std::string& output_name) { 2140 std::string error_msg; 2141 OatFile* oat_file = OatFile::Open(oat_filename, oat_filename, nullptr, nullptr, false, &error_msg); 2142 if (oat_file == nullptr) { 2143 fprintf(stderr, "Failed to open oat file from '%s': %s\n", oat_filename, error_msg.c_str()); 2144 return EXIT_FAILURE; 2145 } 2146 2147 OatSymbolizer oat_symbolizer(oat_file, output_name); 2148 if (!oat_symbolizer.Init()) { 2149 fprintf(stderr, "Failed to initialize symbolizer\n"); 2150 return EXIT_FAILURE; 2151 } 2152 if (!oat_symbolizer.Symbolize()) { 2153 fprintf(stderr, "Failed to symbolize\n"); 2154 return EXIT_FAILURE; 2155 } 2156 2157 return EXIT_SUCCESS; 2158} 2159 2160struct OatdumpArgs { 2161 bool Parse(int argc, char** argv) { 2162 // Skip over argv[0]. 2163 argv++; 2164 argc--; 2165 2166 if (argc == 0) { 2167 fprintf(stderr, "No arguments specified\n"); 2168 usage(); 2169 return false; 2170 } 2171 2172 for (int i = 0; i < argc; i++) { 2173 const StringPiece option(argv[i]); 2174 if (option.starts_with("--oat-file=")) { 2175 oat_filename_ = option.substr(strlen("--oat-file=")).data(); 2176 } else if (option.starts_with("--image=")) { 2177 image_location_ = option.substr(strlen("--image=")).data(); 2178 } else if (option.starts_with("--boot-image=")) { 2179 boot_image_location_ = option.substr(strlen("--boot-image=")).data(); 2180 } else if (option.starts_with("--instruction-set=")) { 2181 StringPiece instruction_set_str = option.substr(strlen("--instruction-set=")).data(); 2182 instruction_set_ = GetInstructionSetFromString(instruction_set_str.data()); 2183 if (instruction_set_ == kNone) { 2184 fprintf(stderr, "Unsupported instruction set %s\n", instruction_set_str.data()); 2185 usage(); 2186 return false; 2187 } 2188 } else if (option =="--dump:raw_mapping_table") { 2189 dump_raw_mapping_table_ = true; 2190 } else if (option == "--dump:raw_gc_map") { 2191 dump_raw_gc_map_ = true; 2192 } else if (option == "--no-dump:vmap") { 2193 dump_vmap_ = false; 2194 } else if (option == "--no-disassemble") { 2195 disassemble_code_ = false; 2196 } else if (option.starts_with("--output=")) { 2197 output_name_ = option.substr(strlen("--output=")).ToString(); 2198 const char* filename = output_name_.c_str(); 2199 out_.reset(new std::ofstream(filename)); 2200 if (!out_->good()) { 2201 fprintf(stderr, "Failed to open output filename %s\n", filename); 2202 usage(); 2203 return false; 2204 } 2205 os_ = out_.get(); 2206 } else if (option.starts_with("--symbolize=")) { 2207 oat_filename_ = option.substr(strlen("--symbolize=")).data(); 2208 symbolize_ = true; 2209 } else if (option.starts_with("--method-filter=")) { 2210 method_filter_ = option.substr(strlen("--method-filter=")).data(); 2211 } else { 2212 fprintf(stderr, "Unknown argument %s\n", option.data()); 2213 usage(); 2214 return false; 2215 } 2216 } 2217 2218 if (image_location_ == nullptr && oat_filename_ == nullptr) { 2219 fprintf(stderr, "Either --image or --oat must be specified\n"); 2220 return false; 2221 } 2222 2223 if (image_location_ != nullptr && oat_filename_ != nullptr) { 2224 fprintf(stderr, "Either --image or --oat must be specified but not both\n"); 2225 return false; 2226 } 2227 2228 return true; 2229 } 2230 2231 const char* oat_filename_ = nullptr; 2232 const char* method_filter_ = ""; 2233 const char* image_location_ = nullptr; 2234 const char* boot_image_location_ = nullptr; 2235 InstructionSet instruction_set_ = kRuntimeISA; 2236 std::string elf_filename_prefix_; 2237 std::ostream* os_ = &std::cout; 2238 std::unique_ptr<std::ofstream> out_; 2239 std::string output_name_; 2240 bool dump_raw_mapping_table_ = false; 2241 bool dump_raw_gc_map_ = false; 2242 bool dump_vmap_ = true; 2243 bool disassemble_code_ = true; 2244 bool symbolize_ = false; 2245}; 2246 2247static int oatdump(int argc, char** argv) { 2248 InitLogging(argv); 2249 2250 OatdumpArgs args; 2251 if (!args.Parse(argc, argv)) { 2252 return EXIT_FAILURE; 2253 } 2254 2255 // If we are only doing the oat file, disable absolute_addresses. Keep them for image dumping. 2256 bool absolute_addresses = (args.oat_filename_ == nullptr); 2257 2258 std::unique_ptr<OatDumperOptions> oat_dumper_options(new OatDumperOptions( 2259 args.dump_raw_mapping_table_, 2260 args.dump_raw_gc_map_, 2261 args.dump_vmap_, 2262 args.disassemble_code_, 2263 absolute_addresses, 2264 args.method_filter_, 2265 nullptr)); 2266 2267 std::unique_ptr<Runtime> runtime; 2268 if ((args.boot_image_location_ != nullptr || args.image_location_ != nullptr) && 2269 !args.symbolize_) { 2270 // If we have a boot image option, try to start the runtime; except when just symbolizing. 2271 runtime.reset(StartRuntime(args.boot_image_location_, 2272 args.image_location_, 2273 args.instruction_set_)); 2274 } else { 2275 MemMap::Init(); 2276 } 2277 2278 if (args.oat_filename_ != nullptr) { 2279 if (args.symbolize_) { 2280 return SymbolizeOat(args.oat_filename_, args.output_name_); 2281 } else { 2282 return DumpOat(runtime.get(), args.oat_filename_, oat_dumper_options.release(), args.os_); 2283 } 2284 } 2285 2286 if (runtime.get() == nullptr) { 2287 // We need the runtime when printing an image. 2288 return EXIT_FAILURE; 2289 } 2290 2291 return DumpImage(runtime.get(), args.image_location_, oat_dumper_options.release(), args.os_); 2292} 2293 2294} // namespace art 2295 2296int main(int argc, char** argv) { 2297 return art::oatdump(argc, argv); 2298} 2299