oatdump.cc revision e63db27db913f1a88e2095a1ee8239b2bb9124e8
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 <vector> 24 25#include "base/stringpiece.h" 26#include "base/unix_file/fd_file.h" 27#include "class_linker.h" 28#include "class_linker-inl.h" 29#include "dex_file-inl.h" 30#include "dex_instruction.h" 31#include "disassembler.h" 32#include "gc_map.h" 33#include "gc/space/image_space.h" 34#include "gc/space/large_object_space.h" 35#include "gc/space/space-inl.h" 36#include "image.h" 37#include "indenter.h" 38#include "mapping_table.h" 39#include "mirror/art_field-inl.h" 40#include "mirror/art_method-inl.h" 41#include "mirror/array-inl.h" 42#include "mirror/class-inl.h" 43#include "mirror/object-inl.h" 44#include "mirror/object_array-inl.h" 45#include "noop_compiler_callbacks.h" 46#include "oat.h" 47#include "oat_file-inl.h" 48#include "object_utils.h" 49#include "os.h" 50#include "runtime.h" 51#include "safe_map.h" 52#include "scoped_thread_state_change.h" 53#include "thread_list.h" 54#include "verifier/dex_gc_map.h" 55#include "verifier/method_verifier.h" 56#include "vmap_table.h" 57 58namespace art { 59 60static void usage() { 61 fprintf(stderr, 62 "Usage: oatdump [options] ...\n" 63 " Example: oatdump --image=$ANDROID_PRODUCT_OUT/system/framework/boot.art\n" 64 " Example: adb shell oatdump --image=/system/framework/boot.art\n" 65 "\n"); 66 fprintf(stderr, 67 " --oat-file=<file.oat>: specifies an input oat filename.\n" 68 " Example: --oat-file=/system/framework/boot.oat\n" 69 "\n"); 70 fprintf(stderr, 71 " --image=<file.art>: specifies an input image filename.\n" 72 " Example: --image=/system/framework/boot.art\n" 73 "\n"); 74 fprintf(stderr, 75 " --boot-image=<file.art>: provide the image file for the boot class path.\n" 76 " Example: --boot-image=/system/framework/boot.art\n" 77 "\n"); 78 fprintf(stderr, 79 " --instruction-set=(arm|arm64|mips|x86|x86_64): for locating the image file based on the image location\n" 80 " set.\n" 81 " Example: --instruction-set=x86\n" 82 " Default: %s\n" 83 "\n", 84 GetInstructionSetString(kRuntimeISA)); 85 fprintf(stderr, 86 " --output=<file> may be used to send the output to a file.\n" 87 " Example: --output=/tmp/oatdump.txt\n" 88 "\n"); 89 fprintf(stderr, 90 " --dump:[raw_mapping_table|raw_gc_map]\n" 91 " Example: --dump:raw_gc_map\n" 92 " Default: neither\n" 93 "\n"); 94 exit(EXIT_FAILURE); 95} 96 97const char* image_roots_descriptions_[] = { 98 "kResolutionMethod", 99 "kImtConflictMethod", 100 "kDefaultImt", 101 "kCalleeSaveMethod", 102 "kRefsOnlySaveMethod", 103 "kRefsAndArgsSaveMethod", 104 "kDexCaches", 105 "kClassRoots", 106}; 107 108class OatDumper { 109 public: 110 explicit OatDumper(const OatFile& oat_file, bool dump_raw_mapping_table, bool dump_raw_gc_map) 111 : oat_file_(oat_file), 112 oat_dex_files_(oat_file.GetOatDexFiles()), 113 dump_raw_mapping_table_(dump_raw_mapping_table), 114 dump_raw_gc_map_(dump_raw_gc_map), 115 disassembler_(Disassembler::Create(oat_file_.GetOatHeader().GetInstructionSet())) { 116 AddAllOffsets(); 117 } 118 119 void Dump(std::ostream& os) { 120 const OatHeader& oat_header = oat_file_.GetOatHeader(); 121 122 os << "MAGIC:\n"; 123 os << oat_header.GetMagic() << "\n\n"; 124 125 os << "CHECKSUM:\n"; 126 os << StringPrintf("0x%08x\n\n", oat_header.GetChecksum()); 127 128 os << "INSTRUCTION SET:\n"; 129 os << oat_header.GetInstructionSet() << "\n\n"; 130 131 os << "INSTRUCTION SET FEATURES:\n"; 132 os << oat_header.GetInstructionSetFeatures().GetFeatureString() << "\n\n"; 133 134 os << "DEX FILE COUNT:\n"; 135 os << oat_header.GetDexFileCount() << "\n\n"; 136 137#define DUMP_OAT_HEADER_OFFSET(label, offset) \ 138 os << label " OFFSET:\n"; \ 139 os << StringPrintf("0x%08x", oat_header.offset()); \ 140 if (oat_header.offset() != 0) { \ 141 os << StringPrintf(" (%p)", oat_file_.Begin() + oat_header.offset()); \ 142 } \ 143 os << StringPrintf("\n\n"); 144 145 DUMP_OAT_HEADER_OFFSET("EXECUTABLE", GetExecutableOffset); 146 DUMP_OAT_HEADER_OFFSET("INTERPRETER TO INTERPRETER BRIDGE", 147 GetInterpreterToInterpreterBridgeOffset); 148 DUMP_OAT_HEADER_OFFSET("INTERPRETER TO COMPILED CODE BRIDGE", 149 GetInterpreterToCompiledCodeBridgeOffset); 150 DUMP_OAT_HEADER_OFFSET("JNI DLSYM LOOKUP", 151 GetJniDlsymLookupOffset); 152 DUMP_OAT_HEADER_OFFSET("PORTABLE IMT CONFLICT TRAMPOLINE", 153 GetPortableImtConflictTrampolineOffset); 154 DUMP_OAT_HEADER_OFFSET("PORTABLE RESOLUTION TRAMPOLINE", 155 GetPortableResolutionTrampolineOffset); 156 DUMP_OAT_HEADER_OFFSET("PORTABLE TO INTERPRETER BRIDGE", 157 GetPortableToInterpreterBridgeOffset); 158 DUMP_OAT_HEADER_OFFSET("QUICK GENERIC JNI TRAMPOLINE", 159 GetQuickGenericJniTrampolineOffset); 160 DUMP_OAT_HEADER_OFFSET("QUICK IMT CONFLICT TRAMPOLINE", 161 GetQuickImtConflictTrampolineOffset); 162 DUMP_OAT_HEADER_OFFSET("QUICK RESOLUTION TRAMPOLINE", 163 GetQuickResolutionTrampolineOffset); 164 DUMP_OAT_HEADER_OFFSET("QUICK TO INTERPRETER BRIDGE", 165 GetQuickToInterpreterBridgeOffset); 166#undef DUMP_OAT_HEADER_OFFSET 167 168 os << "IMAGE FILE LOCATION OAT CHECKSUM:\n"; 169 os << StringPrintf("0x%08x\n\n", oat_header.GetImageFileLocationOatChecksum()); 170 171 os << "IMAGE FILE LOCATION OAT BEGIN:\n"; 172 os << StringPrintf("0x%08x\n\n", oat_header.GetImageFileLocationOatDataBegin()); 173 174 // Print the key-value store. 175 { 176 os << "KEY VALUE STORE:\n"; 177 size_t index = 0; 178 const char* key; 179 const char* value; 180 while (oat_header.GetStoreKeyValuePairByIndex(index, &key, &value)) { 181 os << key << " = " << value << "\n"; 182 index++; 183 } 184 os << "\n"; 185 } 186 187 os << "BEGIN:\n"; 188 os << reinterpret_cast<const void*>(oat_file_.Begin()) << "\n\n"; 189 190 os << "END:\n"; 191 os << reinterpret_cast<const void*>(oat_file_.End()) << "\n\n"; 192 193 os << std::flush; 194 195 for (size_t i = 0; i < oat_dex_files_.size(); i++) { 196 const OatFile::OatDexFile* oat_dex_file = oat_dex_files_[i]; 197 CHECK(oat_dex_file != NULL); 198 DumpOatDexFile(os, *oat_dex_file); 199 } 200 } 201 202 size_t ComputeSize(const void* oat_data) { 203 if (reinterpret_cast<const byte*>(oat_data) < oat_file_.Begin() || 204 reinterpret_cast<const byte*>(oat_data) > oat_file_.End()) { 205 return 0; // Address not in oat file 206 } 207 uintptr_t begin_offset = reinterpret_cast<uintptr_t>(oat_data) - 208 reinterpret_cast<uintptr_t>(oat_file_.Begin()); 209 auto it = offsets_.upper_bound(begin_offset); 210 CHECK(it != offsets_.end()); 211 uintptr_t end_offset = *it; 212 return end_offset - begin_offset; 213 } 214 215 InstructionSet GetInstructionSet() { 216 return oat_file_.GetOatHeader().GetInstructionSet(); 217 } 218 219 const void* GetQuickOatCode(mirror::ArtMethod* m) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 220 for (size_t i = 0; i < oat_dex_files_.size(); i++) { 221 const OatFile::OatDexFile* oat_dex_file = oat_dex_files_[i]; 222 CHECK(oat_dex_file != nullptr); 223 std::string error_msg; 224 std::unique_ptr<const DexFile> dex_file(oat_dex_file->OpenDexFile(&error_msg)); 225 if (dex_file.get() == nullptr) { 226 LOG(WARNING) << "Failed to open dex file '" << oat_dex_file->GetDexFileLocation() 227 << "': " << error_msg; 228 } else { 229 const DexFile::ClassDef* class_def = 230 dex_file->FindClassDef(m->GetDeclaringClassDescriptor()); 231 if (class_def != NULL) { 232 uint16_t class_def_index = dex_file->GetIndexForClassDef(*class_def); 233 const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(class_def_index); 234 size_t method_index = m->GetMethodIndex(); 235 return oat_class.GetOatMethod(method_index).GetQuickCode(); 236 } 237 } 238 } 239 return NULL; 240 } 241 242 private: 243 void AddAllOffsets() { 244 // We don't know the length of the code for each method, but we need to know where to stop 245 // when disassembling. What we do know is that a region of code will be followed by some other 246 // region, so if we keep a sorted sequence of the start of each region, we can infer the length 247 // of a piece of code by using upper_bound to find the start of the next region. 248 for (size_t i = 0; i < oat_dex_files_.size(); i++) { 249 const OatFile::OatDexFile* oat_dex_file = oat_dex_files_[i]; 250 CHECK(oat_dex_file != NULL); 251 std::string error_msg; 252 std::unique_ptr<const DexFile> dex_file(oat_dex_file->OpenDexFile(&error_msg)); 253 if (dex_file.get() == nullptr) { 254 LOG(WARNING) << "Failed to open dex file '" << oat_dex_file->GetDexFileLocation() 255 << "': " << error_msg; 256 continue; 257 } 258 offsets_.insert(reinterpret_cast<uintptr_t>(&dex_file->GetHeader())); 259 for (size_t class_def_index = 0; 260 class_def_index < dex_file->NumClassDefs(); 261 class_def_index++) { 262 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); 263 const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(class_def_index); 264 const byte* class_data = dex_file->GetClassData(class_def); 265 if (class_data != NULL) { 266 ClassDataItemIterator it(*dex_file, class_data); 267 SkipAllFields(it); 268 uint32_t class_method_index = 0; 269 while (it.HasNextDirectMethod()) { 270 AddOffsets(oat_class.GetOatMethod(class_method_index++)); 271 it.Next(); 272 } 273 while (it.HasNextVirtualMethod()) { 274 AddOffsets(oat_class.GetOatMethod(class_method_index++)); 275 it.Next(); 276 } 277 } 278 } 279 } 280 281 // If the last thing in the file is code for a method, there won't be an offset for the "next" 282 // thing. Instead of having a special case in the upper_bound code, let's just add an entry 283 // for the end of the file. 284 offsets_.insert(oat_file_.Size()); 285 } 286 287 void AddOffsets(const OatFile::OatMethod& oat_method) { 288 uint32_t code_offset = oat_method.GetCodeOffset(); 289 if (oat_file_.GetOatHeader().GetInstructionSet() == kThumb2) { 290 code_offset &= ~0x1; 291 } 292 offsets_.insert(code_offset); 293 offsets_.insert(oat_method.GetMappingTableOffset()); 294 offsets_.insert(oat_method.GetVmapTableOffset()); 295 offsets_.insert(oat_method.GetNativeGcMapOffset()); 296 } 297 298 void DumpOatDexFile(std::ostream& os, const OatFile::OatDexFile& oat_dex_file) { 299 os << "OAT DEX FILE:\n"; 300 os << StringPrintf("location: %s\n", oat_dex_file.GetDexFileLocation().c_str()); 301 os << StringPrintf("checksum: 0x%08x\n", oat_dex_file.GetDexFileLocationChecksum()); 302 303 // Create the verifier early. 304 305 std::string error_msg; 306 std::unique_ptr<const DexFile> dex_file(oat_dex_file.OpenDexFile(&error_msg)); 307 if (dex_file.get() == NULL) { 308 os << "NOT FOUND: " << error_msg << "\n\n"; 309 return; 310 } 311 for (size_t class_def_index = 0; 312 class_def_index < dex_file->NumClassDefs(); 313 class_def_index++) { 314 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); 315 const char* descriptor = dex_file->GetClassDescriptor(class_def); 316 const OatFile::OatClass oat_class = oat_dex_file.GetOatClass(class_def_index); 317 os << StringPrintf("%zd: %s (type_idx=%d)", class_def_index, descriptor, class_def.class_idx_) 318 << " (" << oat_class.GetStatus() << ")" 319 << " (" << oat_class.GetType() << ")\n"; 320 // TODO: include bitmap here if type is kOatClassSomeCompiled? 321 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 322 std::ostream indented_os(&indent_filter); 323 DumpOatClass(indented_os, oat_class, *(dex_file.get()), class_def); 324 } 325 326 os << std::flush; 327 } 328 329 static void SkipAllFields(ClassDataItemIterator& it) { 330 while (it.HasNextStaticField()) { 331 it.Next(); 332 } 333 while (it.HasNextInstanceField()) { 334 it.Next(); 335 } 336 } 337 338 void DumpOatClass(std::ostream& os, const OatFile::OatClass& oat_class, const DexFile& dex_file, 339 const DexFile::ClassDef& class_def) { 340 const byte* class_data = dex_file.GetClassData(class_def); 341 if (class_data == NULL) { // empty class such as a marker interface? 342 return; 343 } 344 ClassDataItemIterator it(dex_file, class_data); 345 SkipAllFields(it); 346 uint32_t class_method_idx = 0; 347 while (it.HasNextDirectMethod()) { 348 const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_idx); 349 DumpOatMethod(os, class_def, class_method_idx, oat_method, dex_file, 350 it.GetMemberIndex(), it.GetMethodCodeItem(), it.GetMemberAccessFlags()); 351 class_method_idx++; 352 it.Next(); 353 } 354 while (it.HasNextVirtualMethod()) { 355 const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_idx); 356 DumpOatMethod(os, class_def, class_method_idx, oat_method, dex_file, 357 it.GetMemberIndex(), it.GetMethodCodeItem(), it.GetMemberAccessFlags()); 358 class_method_idx++; 359 it.Next(); 360 } 361 DCHECK(!it.HasNext()); 362 os << std::flush; 363 } 364 365 void DumpOatMethod(std::ostream& os, const DexFile::ClassDef& class_def, 366 uint32_t class_method_index, 367 const OatFile::OatMethod& oat_method, const DexFile& dex_file, 368 uint32_t dex_method_idx, const DexFile::CodeItem* code_item, 369 uint32_t method_access_flags) { 370 os << StringPrintf("%d: %s (dex_method_idx=%d)\n", 371 class_method_index, PrettyMethod(dex_method_idx, dex_file, true).c_str(), 372 dex_method_idx); 373 Indenter indent1_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 374 std::unique_ptr<std::ostream> indent1_os(new std::ostream(&indent1_filter)); 375 Indenter indent2_filter(indent1_os->rdbuf(), kIndentChar, kIndentBy1Count); 376 std::unique_ptr<std::ostream> indent2_os(new std::ostream(&indent2_filter)); 377 { 378 *indent1_os << "DEX CODE:\n"; 379 DumpDexCode(*indent2_os, dex_file, code_item); 380 } 381 if (Runtime::Current() != NULL) { 382 *indent1_os << "VERIFIER TYPE ANALYSIS:\n"; 383 DumpVerifier(*indent2_os, dex_method_idx, &dex_file, class_def, code_item, 384 method_access_flags); 385 } 386 { 387 *indent1_os << "OAT DATA:\n"; 388 389 *indent2_os << StringPrintf("frame_size_in_bytes: %zd\n", oat_method.GetFrameSizeInBytes()); 390 *indent2_os << StringPrintf("core_spill_mask: 0x%08x ", oat_method.GetCoreSpillMask()); 391 DumpSpillMask(*indent2_os, oat_method.GetCoreSpillMask(), false); 392 *indent2_os << StringPrintf("\nfp_spill_mask: 0x%08x ", oat_method.GetFpSpillMask()); 393 DumpSpillMask(*indent2_os, oat_method.GetFpSpillMask(), true); 394 *indent2_os << StringPrintf("\nvmap_table: %p (offset=0x%08x)\n", 395 oat_method.GetVmapTable(), oat_method.GetVmapTableOffset()); 396 DumpVmap(*indent2_os, oat_method); 397 *indent2_os << StringPrintf("mapping_table: %p (offset=0x%08x)\n", 398 oat_method.GetMappingTable(), oat_method.GetMappingTableOffset()); 399 if (dump_raw_mapping_table_) { 400 Indenter indent3_filter(indent2_os->rdbuf(), kIndentChar, kIndentBy1Count); 401 std::ostream indent3_os(&indent3_filter); 402 DumpMappingTable(indent3_os, oat_method); 403 } 404 *indent2_os << StringPrintf("gc_map: %p (offset=0x%08x)\n", 405 oat_method.GetNativeGcMap(), oat_method.GetNativeGcMapOffset()); 406 if (dump_raw_gc_map_) { 407 Indenter indent3_filter(indent2_os->rdbuf(), kIndentChar, kIndentBy1Count); 408 std::ostream indent3_os(&indent3_filter); 409 DumpGcMap(indent3_os, oat_method, code_item); 410 } 411 } 412 { 413 const void* code = oat_method.GetQuickCode(); 414 uint32_t code_size = oat_method.GetQuickCodeSize(); 415 if (code == nullptr) { 416 code = oat_method.GetPortableCode(); 417 code_size = oat_method.GetPortableCodeSize(); 418 } 419 *indent1_os << StringPrintf("CODE: %p (offset=0x%08x size=%d)%s\n", 420 code, 421 oat_method.GetCodeOffset(), 422 code_size, 423 code != nullptr ? "..." : ""); 424 425 Runtime* runtime = Runtime::Current(); 426 if (runtime != nullptr) { 427 ScopedObjectAccess soa(Thread::Current()); 428 StackHandleScope<1> hs(soa.Self()); 429 Handle<mirror::DexCache> dex_cache( 430 hs.NewHandle(runtime->GetClassLinker()->FindDexCache(dex_file))); 431 NullHandle<mirror::ClassLoader> class_loader; 432 verifier::MethodVerifier verifier(&dex_file, &dex_cache, &class_loader, &class_def, 433 code_item, dex_method_idx, nullptr, method_access_flags, 434 true, true, true); 435 verifier.Verify(); 436 DumpCode(*indent2_os, &verifier, oat_method, code_item); 437 } else { 438 DumpCode(*indent2_os, nullptr, oat_method, code_item); 439 } 440 } 441 } 442 443 void DumpSpillMask(std::ostream& os, uint32_t spill_mask, bool is_float) { 444 if (spill_mask == 0) { 445 return; 446 } 447 os << "("; 448 for (size_t i = 0; i < 32; i++) { 449 if ((spill_mask & (1 << i)) != 0) { 450 if (is_float) { 451 os << "fr" << i; 452 } else { 453 os << "r" << i; 454 } 455 spill_mask ^= 1 << i; // clear bit 456 if (spill_mask != 0) { 457 os << ", "; 458 } else { 459 break; 460 } 461 } 462 } 463 os << ")"; 464 } 465 466 void DumpVmap(std::ostream& os, const OatFile::OatMethod& oat_method) { 467 const uint8_t* raw_table = oat_method.GetVmapTable(); 468 if (raw_table != NULL) { 469 const VmapTable vmap_table(raw_table); 470 bool first = true; 471 bool processing_fp = false; 472 uint32_t spill_mask = oat_method.GetCoreSpillMask(); 473 for (size_t i = 0; i < vmap_table.Size(); i++) { 474 uint16_t dex_reg = vmap_table[i]; 475 uint32_t cpu_reg = vmap_table.ComputeRegister(spill_mask, i, 476 processing_fp ? kFloatVReg : kIntVReg); 477 os << (first ? "v" : ", v") << dex_reg; 478 if (!processing_fp) { 479 os << "/r" << cpu_reg; 480 } else { 481 os << "/fr" << cpu_reg; 482 } 483 first = false; 484 if (!processing_fp && dex_reg == 0xFFFF) { 485 processing_fp = true; 486 spill_mask = oat_method.GetFpSpillMask(); 487 } 488 } 489 os << "\n"; 490 } 491 } 492 493 void DescribeVReg(std::ostream& os, const OatFile::OatMethod& oat_method, 494 const DexFile::CodeItem* code_item, size_t reg, VRegKind kind) { 495 const uint8_t* raw_table = oat_method.GetVmapTable(); 496 if (raw_table != NULL) { 497 const VmapTable vmap_table(raw_table); 498 uint32_t vmap_offset; 499 if (vmap_table.IsInContext(reg, kind, &vmap_offset)) { 500 bool is_float = (kind == kFloatVReg) || (kind == kDoubleLoVReg) || (kind == kDoubleHiVReg); 501 uint32_t spill_mask = is_float ? oat_method.GetFpSpillMask() 502 : oat_method.GetCoreSpillMask(); 503 os << (is_float ? "fr" : "r") << vmap_table.ComputeRegister(spill_mask, vmap_offset, kind); 504 } else { 505 uint32_t offset = StackVisitor::GetVRegOffset(code_item, oat_method.GetCoreSpillMask(), 506 oat_method.GetFpSpillMask(), 507 oat_method.GetFrameSizeInBytes(), reg, 508 GetInstructionSet()); 509 os << "[sp + #" << offset << "]"; 510 } 511 } 512 } 513 514 void DumpGcMapRegisters(std::ostream& os, const OatFile::OatMethod& oat_method, 515 const DexFile::CodeItem* code_item, 516 size_t num_regs, const uint8_t* reg_bitmap) { 517 bool first = true; 518 for (size_t reg = 0; reg < num_regs; reg++) { 519 if (((reg_bitmap[reg / 8] >> (reg % 8)) & 0x01) != 0) { 520 if (first) { 521 os << " v" << reg << " ("; 522 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 523 os << ")"; 524 first = false; 525 } else { 526 os << ", v" << reg << " ("; 527 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 528 os << ")"; 529 } 530 } 531 } 532 if (first) { 533 os << "No registers in GC map\n"; 534 } else { 535 os << "\n"; 536 } 537 } 538 void DumpGcMap(std::ostream& os, const OatFile::OatMethod& oat_method, 539 const DexFile::CodeItem* code_item) { 540 const uint8_t* gc_map_raw = oat_method.GetNativeGcMap(); 541 if (gc_map_raw == nullptr) { 542 return; // No GC map. 543 } 544 const void* quick_code = oat_method.GetQuickCode(); 545 if (quick_code != nullptr) { 546 NativePcOffsetToReferenceMap map(gc_map_raw); 547 for (size_t entry = 0; entry < map.NumEntries(); entry++) { 548 const uint8_t* native_pc = reinterpret_cast<const uint8_t*>(quick_code) + 549 map.GetNativePcOffset(entry); 550 os << StringPrintf("%p", native_pc); 551 DumpGcMapRegisters(os, oat_method, code_item, map.RegWidth() * 8, map.GetBitMap(entry)); 552 } 553 } else { 554 const void* portable_code = oat_method.GetPortableCode(); 555 CHECK(portable_code != nullptr); 556 verifier::DexPcToReferenceMap map(gc_map_raw); 557 for (size_t entry = 0; entry < map.NumEntries(); entry++) { 558 uint32_t dex_pc = map.GetDexPc(entry); 559 os << StringPrintf("0x%08x", dex_pc); 560 DumpGcMapRegisters(os, oat_method, code_item, map.RegWidth() * 8, map.GetBitMap(entry)); 561 } 562 } 563 } 564 565 void DumpMappingTable(std::ostream& os, const OatFile::OatMethod& oat_method) { 566 const void* quick_code = oat_method.GetQuickCode(); 567 if (quick_code == nullptr) { 568 return; 569 } 570 MappingTable table(oat_method.GetMappingTable()); 571 if (table.TotalSize() != 0) { 572 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 573 std::ostream indent_os(&indent_filter); 574 if (table.PcToDexSize() != 0) { 575 typedef MappingTable::PcToDexIterator It; 576 os << "suspend point mappings {\n"; 577 for (It cur = table.PcToDexBegin(), end = table.PcToDexEnd(); cur != end; ++cur) { 578 indent_os << StringPrintf("0x%04x -> 0x%04x\n", cur.NativePcOffset(), cur.DexPc()); 579 } 580 os << "}\n"; 581 } 582 if (table.DexToPcSize() != 0) { 583 typedef MappingTable::DexToPcIterator It; 584 os << "catch entry mappings {\n"; 585 for (It cur = table.DexToPcBegin(), end = table.DexToPcEnd(); cur != end; ++cur) { 586 indent_os << StringPrintf("0x%04x -> 0x%04x\n", cur.NativePcOffset(), cur.DexPc()); 587 } 588 os << "}\n"; 589 } 590 } 591 } 592 593 uint32_t DumpMappingAtOffset(std::ostream& os, const OatFile::OatMethod& oat_method, 594 size_t offset, bool suspend_point_mapping) { 595 MappingTable table(oat_method.GetMappingTable()); 596 if (suspend_point_mapping && table.PcToDexSize() > 0) { 597 typedef MappingTable::PcToDexIterator It; 598 for (It cur = table.PcToDexBegin(), end = table.PcToDexEnd(); cur != end; ++cur) { 599 if (offset == cur.NativePcOffset()) { 600 os << StringPrintf("suspend point dex PC: 0x%04x\n", cur.DexPc()); 601 return cur.DexPc(); 602 } 603 } 604 } else if (!suspend_point_mapping && table.DexToPcSize() > 0) { 605 typedef MappingTable::DexToPcIterator It; 606 for (It cur = table.DexToPcBegin(), end = table.DexToPcEnd(); cur != end; ++cur) { 607 if (offset == cur.NativePcOffset()) { 608 os << StringPrintf("catch entry dex PC: 0x%04x\n", cur.DexPc()); 609 return cur.DexPc(); 610 } 611 } 612 } 613 return DexFile::kDexNoIndex; 614 } 615 616 void DumpGcMapAtNativePcOffset(std::ostream& os, const OatFile::OatMethod& oat_method, 617 const DexFile::CodeItem* code_item, size_t native_pc_offset) { 618 const uint8_t* gc_map_raw = oat_method.GetNativeGcMap(); 619 if (gc_map_raw != NULL) { 620 NativePcOffsetToReferenceMap map(gc_map_raw); 621 if (map.HasEntry(native_pc_offset)) { 622 size_t num_regs = map.RegWidth() * 8; 623 const uint8_t* reg_bitmap = map.FindBitMap(native_pc_offset); 624 bool first = true; 625 for (size_t reg = 0; reg < num_regs; reg++) { 626 if (((reg_bitmap[reg / 8] >> (reg % 8)) & 0x01) != 0) { 627 if (first) { 628 os << "GC map objects: v" << reg << " ("; 629 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 630 os << ")"; 631 first = false; 632 } else { 633 os << ", v" << reg << " ("; 634 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 635 os << ")"; 636 } 637 } 638 } 639 if (!first) { 640 os << "\n"; 641 } 642 } 643 } 644 } 645 646 void DumpVRegsAtDexPc(std::ostream& os, verifier::MethodVerifier* verifier, 647 const OatFile::OatMethod& oat_method, 648 const DexFile::CodeItem* code_item, uint32_t dex_pc) { 649 DCHECK(verifier != nullptr); 650 std::vector<int32_t> kinds = verifier->DescribeVRegs(dex_pc); 651 bool first = true; 652 for (size_t reg = 0; reg < code_item->registers_size_; reg++) { 653 VRegKind kind = static_cast<VRegKind>(kinds.at(reg * 2)); 654 if (kind != kUndefined) { 655 if (first) { 656 os << "VRegs: v"; 657 first = false; 658 } else { 659 os << ", v"; 660 } 661 os << reg << " ("; 662 switch (kind) { 663 case kImpreciseConstant: 664 os << "Imprecise Constant: " << kinds.at((reg * 2) + 1) << ", "; 665 DescribeVReg(os, oat_method, code_item, reg, kind); 666 break; 667 case kConstant: 668 os << "Constant: " << kinds.at((reg * 2) + 1); 669 break; 670 default: 671 DescribeVReg(os, oat_method, code_item, reg, kind); 672 break; 673 } 674 os << ")"; 675 } 676 } 677 if (!first) { 678 os << "\n"; 679 } 680 } 681 682 683 void DumpDexCode(std::ostream& os, const DexFile& dex_file, const DexFile::CodeItem* code_item) { 684 if (code_item != NULL) { 685 size_t i = 0; 686 while (i < code_item->insns_size_in_code_units_) { 687 const Instruction* instruction = Instruction::At(&code_item->insns_[i]); 688 os << StringPrintf("0x%04zx: %s\n", i, instruction->DumpString(&dex_file).c_str()); 689 i += instruction->SizeInCodeUnits(); 690 } 691 } 692 } 693 694 void DumpVerifier(std::ostream& os, uint32_t dex_method_idx, const DexFile* dex_file, 695 const DexFile::ClassDef& class_def, const DexFile::CodeItem* code_item, 696 uint32_t method_access_flags) { 697 if ((method_access_flags & kAccNative) == 0) { 698 ScopedObjectAccess soa(Thread::Current()); 699 StackHandleScope<2> hs(soa.Self()); 700 Handle<mirror::DexCache> dex_cache( 701 hs.NewHandle(Runtime::Current()->GetClassLinker()->FindDexCache(*dex_file))); 702 auto class_loader(hs.NewHandle<mirror::ClassLoader>(nullptr)); 703 verifier::MethodVerifier::VerifyMethodAndDump(os, dex_method_idx, dex_file, dex_cache, 704 class_loader, &class_def, code_item, nullptr, 705 method_access_flags); 706 } 707 } 708 709 void DumpCode(std::ostream& os, verifier::MethodVerifier* verifier, 710 const OatFile::OatMethod& oat_method, const DexFile::CodeItem* code_item) { 711 const void* portable_code = oat_method.GetPortableCode(); 712 const void* quick_code = oat_method.GetQuickCode(); 713 714 size_t code_size = oat_method.GetQuickCodeSize(); 715 if ((code_size == 0) || ((portable_code == nullptr) && (quick_code == nullptr))) { 716 os << "NO CODE!\n"; 717 return; 718 } else if (quick_code != nullptr) { 719 const uint8_t* quick_native_pc = reinterpret_cast<const uint8_t*>(quick_code); 720 size_t offset = 0; 721 while (offset < code_size) { 722 DumpMappingAtOffset(os, oat_method, offset, false); 723 offset += disassembler_->Dump(os, quick_native_pc + offset); 724 uint32_t dex_pc = DumpMappingAtOffset(os, oat_method, offset, true); 725 if (dex_pc != DexFile::kDexNoIndex) { 726 DumpGcMapAtNativePcOffset(os, oat_method, code_item, offset); 727 if (verifier != nullptr) { 728 DumpVRegsAtDexPc(os, verifier, oat_method, code_item, dex_pc); 729 } 730 } 731 } 732 } else { 733 CHECK(portable_code != nullptr); 734 CHECK_EQ(code_size, 0U); // TODO: disassembly of portable is currently not supported. 735 } 736 } 737 738 const OatFile& oat_file_; 739 std::vector<const OatFile::OatDexFile*> oat_dex_files_; 740 bool dump_raw_mapping_table_; 741 bool dump_raw_gc_map_; 742 std::set<uintptr_t> offsets_; 743 std::unique_ptr<Disassembler> disassembler_; 744}; 745 746class ImageDumper { 747 public: 748 explicit ImageDumper(std::ostream* os, gc::space::ImageSpace& image_space, 749 const ImageHeader& image_header, bool dump_raw_mapping_table, 750 bool dump_raw_gc_map) 751 : os_(os), image_space_(image_space), image_header_(image_header), 752 dump_raw_mapping_table_(dump_raw_mapping_table), 753 dump_raw_gc_map_(dump_raw_gc_map) {} 754 755 void Dump() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 756 std::ostream& os = *os_; 757 os << "MAGIC: " << image_header_.GetMagic() << "\n\n"; 758 759 os << "IMAGE BEGIN: " << reinterpret_cast<void*>(image_header_.GetImageBegin()) << "\n\n"; 760 761 os << "IMAGE BITMAP OFFSET: " << reinterpret_cast<void*>(image_header_.GetImageBitmapOffset()) 762 << " SIZE: " << reinterpret_cast<void*>(image_header_.GetImageBitmapSize()) << "\n\n"; 763 764 os << "OAT CHECKSUM: " << StringPrintf("0x%08x\n\n", image_header_.GetOatChecksum()); 765 766 os << "OAT FILE BEGIN:" << reinterpret_cast<void*>(image_header_.GetOatFileBegin()) << "\n\n"; 767 768 os << "OAT DATA BEGIN:" << reinterpret_cast<void*>(image_header_.GetOatDataBegin()) << "\n\n"; 769 770 os << "OAT DATA END:" << reinterpret_cast<void*>(image_header_.GetOatDataEnd()) << "\n\n"; 771 772 os << "OAT FILE END:" << reinterpret_cast<void*>(image_header_.GetOatFileEnd()) << "\n\n"; 773 774 { 775 os << "ROOTS: " << reinterpret_cast<void*>(image_header_.GetImageRoots()) << "\n"; 776 Indenter indent1_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 777 std::ostream indent1_os(&indent1_filter); 778 CHECK_EQ(arraysize(image_roots_descriptions_), size_t(ImageHeader::kImageRootsMax)); 779 for (int i = 0; i < ImageHeader::kImageRootsMax; i++) { 780 ImageHeader::ImageRoot image_root = static_cast<ImageHeader::ImageRoot>(i); 781 const char* image_root_description = image_roots_descriptions_[i]; 782 mirror::Object* image_root_object = image_header_.GetImageRoot(image_root); 783 indent1_os << StringPrintf("%s: %p\n", image_root_description, image_root_object); 784 if (image_root_object->IsObjectArray()) { 785 Indenter indent2_filter(indent1_os.rdbuf(), kIndentChar, kIndentBy1Count); 786 std::ostream indent2_os(&indent2_filter); 787 mirror::ObjectArray<mirror::Object>* image_root_object_array 788 = image_root_object->AsObjectArray<mirror::Object>(); 789 for (int i = 0; i < image_root_object_array->GetLength(); i++) { 790 mirror::Object* value = image_root_object_array->Get(i); 791 size_t run = 0; 792 for (int32_t j = i + 1; j < image_root_object_array->GetLength(); j++) { 793 if (value == image_root_object_array->Get(j)) { 794 run++; 795 } else { 796 break; 797 } 798 } 799 if (run == 0) { 800 indent2_os << StringPrintf("%d: ", i); 801 } else { 802 indent2_os << StringPrintf("%d to %zd: ", i, i + run); 803 i = i + run; 804 } 805 if (value != NULL) { 806 PrettyObjectValue(indent2_os, value->GetClass(), value); 807 } else { 808 indent2_os << i << ": null\n"; 809 } 810 } 811 } 812 } 813 } 814 os << "\n"; 815 816 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 817 std::string image_filename = image_space_.GetImageFilename(); 818 std::string oat_location = ImageHeader::GetOatLocationFromImageLocation(image_filename); 819 os << "OAT LOCATION: " << oat_location; 820 os << "\n"; 821 std::string error_msg; 822 const OatFile* oat_file = class_linker->FindOatFileFromOatLocation(oat_location, &error_msg); 823 if (oat_file == NULL) { 824 os << "NOT FOUND: " << error_msg << "\n"; 825 return; 826 } 827 os << "\n"; 828 829 stats_.oat_file_bytes = oat_file->Size(); 830 831 oat_dumper_.reset(new OatDumper(*oat_file, dump_raw_mapping_table_, 832 dump_raw_gc_map_)); 833 834 for (const OatFile::OatDexFile* oat_dex_file : oat_file->GetOatDexFiles()) { 835 CHECK(oat_dex_file != NULL); 836 stats_.oat_dex_file_sizes.push_back(std::make_pair(oat_dex_file->GetDexFileLocation(), 837 oat_dex_file->FileSize())); 838 } 839 840 os << "OBJECTS:\n" << std::flush; 841 842 // Loop through all the image spaces and dump their objects. 843 gc::Heap* heap = Runtime::Current()->GetHeap(); 844 const std::vector<gc::space::ContinuousSpace*>& spaces = heap->GetContinuousSpaces(); 845 Thread* self = Thread::Current(); 846 { 847 { 848 WriterMutexLock mu(self, *Locks::heap_bitmap_lock_); 849 heap->FlushAllocStack(); 850 } 851 // Since FlushAllocStack() above resets the (active) allocation 852 // stack. Need to revoke the thread-local allocation stacks that 853 // point into it. 854 { 855 self->TransitionFromRunnableToSuspended(kNative); 856 ThreadList* thread_list = Runtime::Current()->GetThreadList(); 857 thread_list->SuspendAll(); 858 heap->RevokeAllThreadLocalAllocationStacks(self); 859 thread_list->ResumeAll(); 860 self->TransitionFromSuspendedToRunnable(); 861 } 862 } 863 { 864 std::ostream* saved_os = os_; 865 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 866 std::ostream indent_os(&indent_filter); 867 os_ = &indent_os; 868 ReaderMutexLock mu(self, *Locks::heap_bitmap_lock_); 869 for (const auto& space : spaces) { 870 if (space->IsImageSpace()) { 871 gc::space::ImageSpace* image_space = space->AsImageSpace(); 872 image_space->GetLiveBitmap()->Walk(ImageDumper::Callback, this); 873 indent_os << "\n"; 874 } 875 } 876 // Dump the large objects separately. 877 heap->GetLargeObjectsSpace()->GetLiveBitmap()->Walk(ImageDumper::Callback, this); 878 indent_os << "\n"; 879 os_ = saved_os; 880 } 881 os << "STATS:\n" << std::flush; 882 std::unique_ptr<File> file(OS::OpenFileForReading(image_filename.c_str())); 883 if (file.get() == NULL) { 884 LOG(WARNING) << "Failed to find image in " << image_filename; 885 } 886 if (file.get() != NULL) { 887 stats_.file_bytes = file->GetLength(); 888 } 889 size_t header_bytes = sizeof(ImageHeader); 890 stats_.header_bytes = header_bytes; 891 size_t alignment_bytes = RoundUp(header_bytes, kObjectAlignment) - header_bytes; 892 stats_.alignment_bytes += alignment_bytes; 893 stats_.alignment_bytes += image_header_.GetImageBitmapOffset() - image_header_.GetImageSize(); 894 stats_.bitmap_bytes += image_header_.GetImageBitmapSize(); 895 stats_.Dump(os); 896 os << "\n"; 897 898 os << std::flush; 899 900 oat_dumper_->Dump(os); 901 } 902 903 private: 904 static void PrettyObjectValue(std::ostream& os, mirror::Class* type, mirror::Object* value) 905 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 906 CHECK(type != NULL); 907 if (value == NULL) { 908 os << StringPrintf("null %s\n", PrettyDescriptor(type).c_str()); 909 } else if (type->IsStringClass()) { 910 mirror::String* string = value->AsString(); 911 os << StringPrintf("%p String: %s\n", string, 912 PrintableString(string->ToModifiedUtf8()).c_str()); 913 } else if (type->IsClassClass()) { 914 mirror::Class* klass = value->AsClass(); 915 os << StringPrintf("%p Class: %s\n", klass, PrettyDescriptor(klass).c_str()); 916 } else if (type->IsArtFieldClass()) { 917 mirror::ArtField* field = value->AsArtField(); 918 os << StringPrintf("%p Field: %s\n", field, PrettyField(field).c_str()); 919 } else if (type->IsArtMethodClass()) { 920 mirror::ArtMethod* method = value->AsArtMethod(); 921 os << StringPrintf("%p Method: %s\n", method, PrettyMethod(method).c_str()); 922 } else { 923 os << StringPrintf("%p %s\n", value, PrettyDescriptor(type).c_str()); 924 } 925 } 926 927 static void PrintField(std::ostream& os, mirror::ArtField* field, mirror::Object* obj) 928 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 929 const char* descriptor = field->GetTypeDescriptor(); 930 os << StringPrintf("%s: ", field->GetName()); 931 if (descriptor[0] != 'L' && descriptor[0] != '[') { 932 StackHandleScope<1> hs(Thread::Current()); 933 FieldHelper fh(hs.NewHandle(field)); 934 mirror::Class* type = fh.GetType(); 935 if (type->IsPrimitiveLong()) { 936 os << StringPrintf("%" PRId64 " (0x%" PRIx64 ")\n", field->Get64(obj), field->Get64(obj)); 937 } else if (type->IsPrimitiveDouble()) { 938 os << StringPrintf("%f (%a)\n", field->GetDouble(obj), field->GetDouble(obj)); 939 } else if (type->IsPrimitiveFloat()) { 940 os << StringPrintf("%f (%a)\n", field->GetFloat(obj), field->GetFloat(obj)); 941 } else { 942 DCHECK(type->IsPrimitive()); 943 os << StringPrintf("%d (0x%x)\n", field->Get32(obj), field->Get32(obj)); 944 } 945 } else { 946 // Get the value, don't compute the type unless it is non-null as we don't want 947 // to cause class loading. 948 mirror::Object* value = field->GetObj(obj); 949 if (value == NULL) { 950 os << StringPrintf("null %s\n", PrettyDescriptor(descriptor).c_str()); 951 } else { 952 // Grab the field type without causing resolution. 953 StackHandleScope<1> hs(Thread::Current()); 954 FieldHelper fh(hs.NewHandle(field)); 955 mirror::Class* field_type = fh.GetType(false); 956 if (field_type != NULL) { 957 PrettyObjectValue(os, field_type, value); 958 } else { 959 os << StringPrintf("%p %s\n", value, PrettyDescriptor(descriptor).c_str()); 960 } 961 } 962 } 963 } 964 965 static void DumpFields(std::ostream& os, mirror::Object* obj, mirror::Class* klass) 966 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 967 mirror::Class* super = klass->GetSuperClass(); 968 if (super != NULL) { 969 DumpFields(os, obj, super); 970 } 971 mirror::ObjectArray<mirror::ArtField>* fields = klass->GetIFields(); 972 if (fields != NULL) { 973 for (int32_t i = 0; i < fields->GetLength(); i++) { 974 mirror::ArtField* field = fields->Get(i); 975 PrintField(os, field, obj); 976 } 977 } 978 } 979 980 bool InDumpSpace(const mirror::Object* object) { 981 return image_space_.Contains(object); 982 } 983 984 const void* GetQuickOatCodeBegin(mirror::ArtMethod* m) 985 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 986 const void* quick_code = m->GetEntryPointFromQuickCompiledCode(); 987 if (quick_code == Runtime::Current()->GetClassLinker()->GetQuickResolutionTrampoline()) { 988 quick_code = oat_dumper_->GetQuickOatCode(m); 989 } 990 if (oat_dumper_->GetInstructionSet() == kThumb2) { 991 quick_code = reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(quick_code) & ~0x1); 992 } 993 return quick_code; 994 } 995 996 uint32_t GetQuickOatCodeSize(mirror::ArtMethod* m) 997 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 998 const uint32_t* oat_code_begin = reinterpret_cast<const uint32_t*>(GetQuickOatCodeBegin(m)); 999 if (oat_code_begin == nullptr) { 1000 return 0; 1001 } 1002 return oat_code_begin[-1]; 1003 } 1004 1005 const void* GetQuickOatCodeEnd(mirror::ArtMethod* m) 1006 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1007 const uint8_t* oat_code_begin = reinterpret_cast<const uint8_t*>(GetQuickOatCodeBegin(m)); 1008 if (oat_code_begin == NULL) { 1009 return NULL; 1010 } 1011 return oat_code_begin + GetQuickOatCodeSize(m); 1012 } 1013 1014 static void Callback(mirror::Object* obj, void* arg) 1015 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1016 DCHECK(obj != NULL); 1017 DCHECK(arg != NULL); 1018 ImageDumper* state = reinterpret_cast<ImageDumper*>(arg); 1019 if (!state->InDumpSpace(obj)) { 1020 return; 1021 } 1022 1023 size_t object_bytes = obj->SizeOf(); 1024 size_t alignment_bytes = RoundUp(object_bytes, kObjectAlignment) - object_bytes; 1025 state->stats_.object_bytes += object_bytes; 1026 state->stats_.alignment_bytes += alignment_bytes; 1027 1028 std::ostream& os = *state->os_; 1029 mirror::Class* obj_class = obj->GetClass(); 1030 if (obj_class->IsArrayClass()) { 1031 os << StringPrintf("%p: %s length:%d\n", obj, PrettyDescriptor(obj_class).c_str(), 1032 obj->AsArray()->GetLength()); 1033 } else if (obj->IsClass()) { 1034 mirror::Class* klass = obj->AsClass(); 1035 os << StringPrintf("%p: java.lang.Class \"%s\" (", obj, PrettyDescriptor(klass).c_str()) 1036 << klass->GetStatus() << ")\n"; 1037 } else if (obj->IsArtField()) { 1038 os << StringPrintf("%p: java.lang.reflect.ArtField %s\n", obj, 1039 PrettyField(obj->AsArtField()).c_str()); 1040 } else if (obj->IsArtMethod()) { 1041 os << StringPrintf("%p: java.lang.reflect.ArtMethod %s\n", obj, 1042 PrettyMethod(obj->AsArtMethod()).c_str()); 1043 } else if (obj_class->IsStringClass()) { 1044 os << StringPrintf("%p: java.lang.String %s\n", obj, 1045 PrintableString(obj->AsString()->ToModifiedUtf8()).c_str()); 1046 } else { 1047 os << StringPrintf("%p: %s\n", obj, PrettyDescriptor(obj_class).c_str()); 1048 } 1049 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 1050 std::ostream indent_os(&indent_filter); 1051 DumpFields(indent_os, obj, obj_class); 1052 if (obj->IsObjectArray()) { 1053 mirror::ObjectArray<mirror::Object>* obj_array = obj->AsObjectArray<mirror::Object>(); 1054 int32_t length = obj_array->GetLength(); 1055 for (int32_t i = 0; i < length; i++) { 1056 mirror::Object* value = obj_array->Get(i); 1057 size_t run = 0; 1058 for (int32_t j = i + 1; j < length; j++) { 1059 if (value == obj_array->Get(j)) { 1060 run++; 1061 } else { 1062 break; 1063 } 1064 } 1065 if (run == 0) { 1066 indent_os << StringPrintf("%d: ", i); 1067 } else { 1068 indent_os << StringPrintf("%d to %zd: ", i, i + run); 1069 i = i + run; 1070 } 1071 mirror::Class* value_class = 1072 (value == NULL) ? obj_class->GetComponentType() : value->GetClass(); 1073 PrettyObjectValue(indent_os, value_class, value); 1074 } 1075 } else if (obj->IsClass()) { 1076 mirror::ObjectArray<mirror::ArtField>* sfields = obj->AsClass()->GetSFields(); 1077 if (sfields != NULL) { 1078 indent_os << "STATICS:\n"; 1079 Indenter indent2_filter(indent_os.rdbuf(), kIndentChar, kIndentBy1Count); 1080 std::ostream indent2_os(&indent2_filter); 1081 for (int32_t i = 0; i < sfields->GetLength(); i++) { 1082 mirror::ArtField* field = sfields->Get(i); 1083 PrintField(indent2_os, field, field->GetDeclaringClass()); 1084 } 1085 } 1086 } else if (obj->IsArtMethod()) { 1087 mirror::ArtMethod* method = obj->AsArtMethod(); 1088 if (method->IsNative()) { 1089 // TODO: portable dumping. 1090 DCHECK(method->GetNativeGcMap() == nullptr) << PrettyMethod(method); 1091 DCHECK(method->GetMappingTable() == nullptr) << PrettyMethod(method); 1092 bool first_occurrence; 1093 const void* quick_oat_code = state->GetQuickOatCodeBegin(method); 1094 uint32_t quick_oat_code_size = state->GetQuickOatCodeSize(method); 1095 state->ComputeOatSize(quick_oat_code, &first_occurrence); 1096 if (first_occurrence) { 1097 state->stats_.native_to_managed_code_bytes += quick_oat_code_size; 1098 } 1099 if (quick_oat_code != method->GetEntryPointFromQuickCompiledCode()) { 1100 indent_os << StringPrintf("OAT CODE: %p\n", quick_oat_code); 1101 } 1102 } else if (method->IsAbstract() || method->IsCalleeSaveMethod() || 1103 method->IsResolutionMethod() || method->IsImtConflictMethod() || 1104 method->IsClassInitializer()) { 1105 DCHECK(method->GetNativeGcMap() == NULL) << PrettyMethod(method); 1106 DCHECK(method->GetMappingTable() == NULL) << PrettyMethod(method); 1107 } else { 1108 const DexFile::CodeItem* code_item = method->GetCodeItem(); 1109 size_t dex_instruction_bytes = code_item->insns_size_in_code_units_ * 2; 1110 state->stats_.dex_instruction_bytes += dex_instruction_bytes; 1111 1112 bool first_occurrence; 1113 size_t gc_map_bytes = state->ComputeOatSize(method->GetNativeGcMap(), &first_occurrence); 1114 if (first_occurrence) { 1115 state->stats_.gc_map_bytes += gc_map_bytes; 1116 } 1117 1118 size_t pc_mapping_table_bytes = 1119 state->ComputeOatSize(method->GetMappingTable(), &first_occurrence); 1120 if (first_occurrence) { 1121 state->stats_.pc_mapping_table_bytes += pc_mapping_table_bytes; 1122 } 1123 1124 size_t vmap_table_bytes = 1125 state->ComputeOatSize(method->GetVmapTable(), &first_occurrence); 1126 if (first_occurrence) { 1127 state->stats_.vmap_table_bytes += vmap_table_bytes; 1128 } 1129 1130 // TODO: portable dumping. 1131 const void* quick_oat_code_begin = state->GetQuickOatCodeBegin(method); 1132 const void* quick_oat_code_end = state->GetQuickOatCodeEnd(method); 1133 uint32_t quick_oat_code_size = state->GetQuickOatCodeSize(method); 1134 state->ComputeOatSize(quick_oat_code_begin, &first_occurrence); 1135 if (first_occurrence) { 1136 state->stats_.managed_code_bytes += quick_oat_code_size; 1137 if (method->IsConstructor()) { 1138 if (method->IsStatic()) { 1139 state->stats_.class_initializer_code_bytes += quick_oat_code_size; 1140 } else if (dex_instruction_bytes > kLargeConstructorDexBytes) { 1141 state->stats_.large_initializer_code_bytes += quick_oat_code_size; 1142 } 1143 } else if (dex_instruction_bytes > kLargeMethodDexBytes) { 1144 state->stats_.large_method_code_bytes += quick_oat_code_size; 1145 } 1146 } 1147 state->stats_.managed_code_bytes_ignoring_deduplication += quick_oat_code_size; 1148 1149 indent_os << StringPrintf("OAT CODE: %p-%p\n", quick_oat_code_begin, quick_oat_code_end); 1150 indent_os << StringPrintf("SIZE: Dex Instructions=%zd GC=%zd Mapping=%zd\n", 1151 dex_instruction_bytes, gc_map_bytes, pc_mapping_table_bytes); 1152 1153 size_t total_size = dex_instruction_bytes + gc_map_bytes + pc_mapping_table_bytes + 1154 vmap_table_bytes + quick_oat_code_size + object_bytes; 1155 1156 double expansion = 1157 static_cast<double>(quick_oat_code_size) / static_cast<double>(dex_instruction_bytes); 1158 state->stats_.ComputeOutliers(total_size, expansion, method); 1159 } 1160 } 1161 state->stats_.Update(obj_class->GetDescriptor().c_str(), object_bytes); 1162 } 1163 1164 std::set<const void*> already_seen_; 1165 // Compute the size of the given data within the oat file and whether this is the first time 1166 // this data has been requested 1167 size_t ComputeOatSize(const void* oat_data, bool* first_occurrence) { 1168 if (already_seen_.count(oat_data) == 0) { 1169 *first_occurrence = true; 1170 already_seen_.insert(oat_data); 1171 } else { 1172 *first_occurrence = false; 1173 } 1174 return oat_dumper_->ComputeSize(oat_data); 1175 } 1176 1177 public: 1178 struct Stats { 1179 size_t oat_file_bytes; 1180 size_t file_bytes; 1181 1182 size_t header_bytes; 1183 size_t object_bytes; 1184 size_t bitmap_bytes; 1185 size_t alignment_bytes; 1186 1187 size_t managed_code_bytes; 1188 size_t managed_code_bytes_ignoring_deduplication; 1189 size_t managed_to_native_code_bytes; 1190 size_t native_to_managed_code_bytes; 1191 size_t class_initializer_code_bytes; 1192 size_t large_initializer_code_bytes; 1193 size_t large_method_code_bytes; 1194 1195 size_t gc_map_bytes; 1196 size_t pc_mapping_table_bytes; 1197 size_t vmap_table_bytes; 1198 1199 size_t dex_instruction_bytes; 1200 1201 std::vector<mirror::ArtMethod*> method_outlier; 1202 std::vector<size_t> method_outlier_size; 1203 std::vector<double> method_outlier_expansion; 1204 std::vector<std::pair<std::string, size_t>> oat_dex_file_sizes; 1205 1206 explicit Stats() 1207 : oat_file_bytes(0), 1208 file_bytes(0), 1209 header_bytes(0), 1210 object_bytes(0), 1211 bitmap_bytes(0), 1212 alignment_bytes(0), 1213 managed_code_bytes(0), 1214 managed_code_bytes_ignoring_deduplication(0), 1215 managed_to_native_code_bytes(0), 1216 native_to_managed_code_bytes(0), 1217 class_initializer_code_bytes(0), 1218 large_initializer_code_bytes(0), 1219 large_method_code_bytes(0), 1220 gc_map_bytes(0), 1221 pc_mapping_table_bytes(0), 1222 vmap_table_bytes(0), 1223 dex_instruction_bytes(0) {} 1224 1225 struct SizeAndCount { 1226 SizeAndCount(size_t bytes, size_t count) : bytes(bytes), count(count) {} 1227 size_t bytes; 1228 size_t count; 1229 }; 1230 typedef SafeMap<std::string, SizeAndCount> SizeAndCountTable; 1231 SizeAndCountTable sizes_and_counts; 1232 1233 void Update(const char* descriptor, size_t object_bytes) { 1234 SizeAndCountTable::iterator it = sizes_and_counts.find(descriptor); 1235 if (it != sizes_and_counts.end()) { 1236 it->second.bytes += object_bytes; 1237 it->second.count += 1; 1238 } else { 1239 sizes_and_counts.Put(descriptor, SizeAndCount(object_bytes, 1)); 1240 } 1241 } 1242 1243 double PercentOfOatBytes(size_t size) { 1244 return (static_cast<double>(size) / static_cast<double>(oat_file_bytes)) * 100; 1245 } 1246 1247 double PercentOfFileBytes(size_t size) { 1248 return (static_cast<double>(size) / static_cast<double>(file_bytes)) * 100; 1249 } 1250 1251 double PercentOfObjectBytes(size_t size) { 1252 return (static_cast<double>(size) / static_cast<double>(object_bytes)) * 100; 1253 } 1254 1255 void ComputeOutliers(size_t total_size, double expansion, mirror::ArtMethod* method) { 1256 method_outlier_size.push_back(total_size); 1257 method_outlier_expansion.push_back(expansion); 1258 method_outlier.push_back(method); 1259 } 1260 1261 void DumpOutliers(std::ostream& os) 1262 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1263 size_t sum_of_sizes = 0; 1264 size_t sum_of_sizes_squared = 0; 1265 size_t sum_of_expansion = 0; 1266 size_t sum_of_expansion_squared = 0; 1267 size_t n = method_outlier_size.size(); 1268 for (size_t i = 0; i < n; i++) { 1269 size_t cur_size = method_outlier_size[i]; 1270 sum_of_sizes += cur_size; 1271 sum_of_sizes_squared += cur_size * cur_size; 1272 double cur_expansion = method_outlier_expansion[i]; 1273 sum_of_expansion += cur_expansion; 1274 sum_of_expansion_squared += cur_expansion * cur_expansion; 1275 } 1276 size_t size_mean = sum_of_sizes / n; 1277 size_t size_variance = (sum_of_sizes_squared - sum_of_sizes * size_mean) / (n - 1); 1278 double expansion_mean = sum_of_expansion / n; 1279 double expansion_variance = 1280 (sum_of_expansion_squared - sum_of_expansion * expansion_mean) / (n - 1); 1281 1282 // Dump methods whose size is a certain number of standard deviations from the mean 1283 size_t dumped_values = 0; 1284 size_t skipped_values = 0; 1285 for (size_t i = 100; i > 0; i--) { // i is the current number of standard deviations 1286 size_t cur_size_variance = i * i * size_variance; 1287 bool first = true; 1288 for (size_t j = 0; j < n; j++) { 1289 size_t cur_size = method_outlier_size[j]; 1290 if (cur_size > size_mean) { 1291 size_t cur_var = cur_size - size_mean; 1292 cur_var = cur_var * cur_var; 1293 if (cur_var > cur_size_variance) { 1294 if (dumped_values > 20) { 1295 if (i == 1) { 1296 skipped_values++; 1297 } else { 1298 i = 2; // jump to counting for 1 standard deviation 1299 break; 1300 } 1301 } else { 1302 if (first) { 1303 os << "\nBig methods (size > " << i << " standard deviations the norm):\n"; 1304 first = false; 1305 } 1306 os << PrettyMethod(method_outlier[j]) << " requires storage of " 1307 << PrettySize(cur_size) << "\n"; 1308 method_outlier_size[j] = 0; // don't consider this method again 1309 dumped_values++; 1310 } 1311 } 1312 } 1313 } 1314 } 1315 if (skipped_values > 0) { 1316 os << "... skipped " << skipped_values 1317 << " methods with size > 1 standard deviation from the norm\n"; 1318 } 1319 os << std::flush; 1320 1321 // Dump methods whose expansion is a certain number of standard deviations from the mean 1322 dumped_values = 0; 1323 skipped_values = 0; 1324 for (size_t i = 10; i > 0; i--) { // i is the current number of standard deviations 1325 double cur_expansion_variance = i * i * expansion_variance; 1326 bool first = true; 1327 for (size_t j = 0; j < n; j++) { 1328 double cur_expansion = method_outlier_expansion[j]; 1329 if (cur_expansion > expansion_mean) { 1330 size_t cur_var = cur_expansion - expansion_mean; 1331 cur_var = cur_var * cur_var; 1332 if (cur_var > cur_expansion_variance) { 1333 if (dumped_values > 20) { 1334 if (i == 1) { 1335 skipped_values++; 1336 } else { 1337 i = 2; // jump to counting for 1 standard deviation 1338 break; 1339 } 1340 } else { 1341 if (first) { 1342 os << "\nLarge expansion methods (size > " << i 1343 << " standard deviations the norm):\n"; 1344 first = false; 1345 } 1346 os << PrettyMethod(method_outlier[j]) << " expanded code by " 1347 << cur_expansion << "\n"; 1348 method_outlier_expansion[j] = 0.0; // don't consider this method again 1349 dumped_values++; 1350 } 1351 } 1352 } 1353 } 1354 } 1355 if (skipped_values > 0) { 1356 os << "... skipped " << skipped_values 1357 << " methods with expansion > 1 standard deviation from the norm\n"; 1358 } 1359 os << "\n" << std::flush; 1360 } 1361 1362 void Dump(std::ostream& os) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1363 { 1364 os << "art_file_bytes = " << PrettySize(file_bytes) << "\n\n" 1365 << "art_file_bytes = header_bytes + object_bytes + alignment_bytes\n"; 1366 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 1367 std::ostream indent_os(&indent_filter); 1368 indent_os << StringPrintf("header_bytes = %8zd (%2.0f%% of art file bytes)\n" 1369 "object_bytes = %8zd (%2.0f%% of art file bytes)\n" 1370 "bitmap_bytes = %8zd (%2.0f%% of art file bytes)\n" 1371 "alignment_bytes = %8zd (%2.0f%% of art file bytes)\n\n", 1372 header_bytes, PercentOfFileBytes(header_bytes), 1373 object_bytes, PercentOfFileBytes(object_bytes), 1374 bitmap_bytes, PercentOfFileBytes(bitmap_bytes), 1375 alignment_bytes, PercentOfFileBytes(alignment_bytes)) 1376 << std::flush; 1377 CHECK_EQ(file_bytes, bitmap_bytes + header_bytes + object_bytes + alignment_bytes); 1378 } 1379 1380 os << "object_bytes breakdown:\n"; 1381 size_t object_bytes_total = 0; 1382 for (const auto& sizes_and_count : sizes_and_counts) { 1383 const std::string& descriptor(sizes_and_count.first); 1384 double average = static_cast<double>(sizes_and_count.second.bytes) / 1385 static_cast<double>(sizes_and_count.second.count); 1386 double percent = PercentOfObjectBytes(sizes_and_count.second.bytes); 1387 os << StringPrintf("%32s %8zd bytes %6zd instances " 1388 "(%4.0f bytes/instance) %2.0f%% of object_bytes\n", 1389 descriptor.c_str(), sizes_and_count.second.bytes, 1390 sizes_and_count.second.count, average, percent); 1391 object_bytes_total += sizes_and_count.second.bytes; 1392 } 1393 os << "\n" << std::flush; 1394 CHECK_EQ(object_bytes, object_bytes_total); 1395 1396 os << StringPrintf("oat_file_bytes = %8zd\n" 1397 "managed_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1398 "managed_to_native_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1399 "native_to_managed_code_bytes = %8zd (%2.0f%% of oat file bytes)\n\n" 1400 "class_initializer_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1401 "large_initializer_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1402 "large_method_code_bytes = %8zd (%2.0f%% of oat file bytes)\n\n", 1403 oat_file_bytes, 1404 managed_code_bytes, 1405 PercentOfOatBytes(managed_code_bytes), 1406 managed_to_native_code_bytes, 1407 PercentOfOatBytes(managed_to_native_code_bytes), 1408 native_to_managed_code_bytes, 1409 PercentOfOatBytes(native_to_managed_code_bytes), 1410 class_initializer_code_bytes, 1411 PercentOfOatBytes(class_initializer_code_bytes), 1412 large_initializer_code_bytes, 1413 PercentOfOatBytes(large_initializer_code_bytes), 1414 large_method_code_bytes, 1415 PercentOfOatBytes(large_method_code_bytes)) 1416 << "DexFile sizes:\n"; 1417 for (const std::pair<std::string, size_t>& oat_dex_file_size : oat_dex_file_sizes) { 1418 os << StringPrintf("%s = %zd (%2.0f%% of oat file bytes)\n", 1419 oat_dex_file_size.first.c_str(), oat_dex_file_size.second, 1420 PercentOfOatBytes(oat_dex_file_size.second)); 1421 } 1422 1423 os << "\n" << StringPrintf("gc_map_bytes = %7zd (%2.0f%% of oat file bytes)\n" 1424 "pc_mapping_table_bytes = %7zd (%2.0f%% of oat file bytes)\n" 1425 "vmap_table_bytes = %7zd (%2.0f%% of oat file bytes)\n\n", 1426 gc_map_bytes, PercentOfOatBytes(gc_map_bytes), 1427 pc_mapping_table_bytes, PercentOfOatBytes(pc_mapping_table_bytes), 1428 vmap_table_bytes, PercentOfOatBytes(vmap_table_bytes)) 1429 << std::flush; 1430 1431 os << StringPrintf("dex_instruction_bytes = %zd\n", dex_instruction_bytes) 1432 << StringPrintf("managed_code_bytes expansion = %.2f (ignoring deduplication %.2f)\n\n", 1433 static_cast<double>(managed_code_bytes) / 1434 static_cast<double>(dex_instruction_bytes), 1435 static_cast<double>(managed_code_bytes_ignoring_deduplication) / 1436 static_cast<double>(dex_instruction_bytes)) 1437 << std::flush; 1438 1439 DumpOutliers(os); 1440 } 1441 } stats_; 1442 1443 private: 1444 enum { 1445 // Number of bytes for a constructor to be considered large. Based on the 1000 basic block 1446 // threshold, we assume 2 bytes per instruction and 2 instructions per block. 1447 kLargeConstructorDexBytes = 4000, 1448 // Number of bytes for a method to be considered large. Based on the 4000 basic block 1449 // threshold, we assume 2 bytes per instruction and 2 instructions per block. 1450 kLargeMethodDexBytes = 16000 1451 }; 1452 std::unique_ptr<OatDumper> oat_dumper_; 1453 std::ostream* os_; 1454 gc::space::ImageSpace& image_space_; 1455 const ImageHeader& image_header_; 1456 bool dump_raw_mapping_table_; 1457 bool dump_raw_gc_map_; 1458 1459 DISALLOW_COPY_AND_ASSIGN(ImageDumper); 1460}; 1461 1462static int oatdump(int argc, char** argv) { 1463 InitLogging(argv); 1464 1465 // Skip over argv[0]. 1466 argv++; 1467 argc--; 1468 1469 if (argc == 0) { 1470 fprintf(stderr, "No arguments specified\n"); 1471 usage(); 1472 } 1473 1474 const char* oat_filename = NULL; 1475 const char* image_location = NULL; 1476 const char* boot_image_location = NULL; 1477 InstructionSet instruction_set = kRuntimeISA; 1478 std::string elf_filename_prefix; 1479 std::ostream* os = &std::cout; 1480 std::unique_ptr<std::ofstream> out; 1481 bool dump_raw_mapping_table = false; 1482 bool dump_raw_gc_map = false; 1483 1484 for (int i = 0; i < argc; i++) { 1485 const StringPiece option(argv[i]); 1486 if (option.starts_with("--oat-file=")) { 1487 oat_filename = option.substr(strlen("--oat-file=")).data(); 1488 } else if (option.starts_with("--image=")) { 1489 image_location = option.substr(strlen("--image=")).data(); 1490 } else if (option.starts_with("--boot-image=")) { 1491 boot_image_location = option.substr(strlen("--boot-image=")).data(); 1492 } else if (option.starts_with("--instruction-set=")) { 1493 StringPiece instruction_set_str = option.substr(strlen("--instruction-set=")).data(); 1494 if (instruction_set_str == "arm") { 1495 instruction_set = kThumb2; 1496 } else if (instruction_set_str == "arm64") { 1497 instruction_set = kArm64; 1498 } else if (instruction_set_str == "mips") { 1499 instruction_set = kMips; 1500 } else if (instruction_set_str == "x86") { 1501 instruction_set = kX86; 1502 } else if (instruction_set_str == "x86_64") { 1503 instruction_set = kX86_64; 1504 } 1505 } else if (option.starts_with("--dump:")) { 1506 if (option == "--dump:raw_mapping_table") { 1507 dump_raw_mapping_table = true; 1508 } else if (option == "--dump:raw_gc_map") { 1509 dump_raw_gc_map = true; 1510 } else { 1511 fprintf(stderr, "Unknown argument %s\n", option.data()); 1512 usage(); 1513 } 1514 } else if (option.starts_with("--output=")) { 1515 const char* filename = option.substr(strlen("--output=")).data(); 1516 out.reset(new std::ofstream(filename)); 1517 if (!out->good()) { 1518 fprintf(stderr, "Failed to open output filename %s\n", filename); 1519 usage(); 1520 } 1521 os = out.get(); 1522 } else { 1523 fprintf(stderr, "Unknown argument %s\n", option.data()); 1524 usage(); 1525 } 1526 } 1527 1528 if (image_location == NULL && oat_filename == NULL) { 1529 fprintf(stderr, "Either --image or --oat must be specified\n"); 1530 return EXIT_FAILURE; 1531 } 1532 1533 if (image_location != NULL && oat_filename != NULL) { 1534 fprintf(stderr, "Either --image or --oat must be specified but not both\n"); 1535 return EXIT_FAILURE; 1536 } 1537 1538 if (oat_filename != NULL) { 1539 std::string error_msg; 1540 OatFile* oat_file = 1541 OatFile::Open(oat_filename, oat_filename, NULL, false, &error_msg); 1542 if (oat_file == NULL) { 1543 fprintf(stderr, "Failed to open oat file from '%s': %s\n", oat_filename, error_msg.c_str()); 1544 return EXIT_FAILURE; 1545 } 1546 OatDumper oat_dumper(*oat_file, dump_raw_mapping_table, dump_raw_gc_map); 1547 oat_dumper.Dump(*os); 1548 return EXIT_SUCCESS; 1549 } 1550 1551 RuntimeOptions options; 1552 std::string image_option; 1553 std::string oat_option; 1554 std::string boot_image_option; 1555 std::string boot_oat_option; 1556 1557 // We are more like a compiler than a run-time. We don't want to execute code. 1558 NoopCompilerCallbacks callbacks; 1559 options.push_back(std::make_pair("compilercallbacks", &callbacks)); 1560 1561 if (boot_image_location != NULL) { 1562 boot_image_option += "-Ximage:"; 1563 boot_image_option += boot_image_location; 1564 options.push_back(std::make_pair(boot_image_option.c_str(), reinterpret_cast<void*>(NULL))); 1565 } 1566 if (image_location != NULL) { 1567 image_option += "-Ximage:"; 1568 image_option += image_location; 1569 options.push_back(std::make_pair(image_option.c_str(), reinterpret_cast<void*>(NULL))); 1570 } 1571 options.push_back( 1572 std::make_pair("imageinstructionset", 1573 reinterpret_cast<const void*>(GetInstructionSetString(instruction_set)))); 1574 1575 if (!Runtime::Create(options, false)) { 1576 fprintf(stderr, "Failed to create runtime\n"); 1577 return EXIT_FAILURE; 1578 } 1579 std::unique_ptr<Runtime> runtime(Runtime::Current()); 1580 // Runtime::Create acquired the mutator_lock_ that is normally given away when we Runtime::Start, 1581 // give it away now and then switch to a more manageable ScopedObjectAccess. 1582 Thread::Current()->TransitionFromRunnableToSuspended(kNative); 1583 ScopedObjectAccess soa(Thread::Current()); 1584 gc::Heap* heap = Runtime::Current()->GetHeap(); 1585 gc::space::ImageSpace* image_space = heap->GetImageSpace(); 1586 CHECK(image_space != NULL); 1587 const ImageHeader& image_header = image_space->GetImageHeader(); 1588 if (!image_header.IsValid()) { 1589 fprintf(stderr, "Invalid image header %s\n", image_location); 1590 return EXIT_FAILURE; 1591 } 1592 ImageDumper image_dumper(os, *image_space, image_header, 1593 dump_raw_mapping_table, dump_raw_gc_map); 1594 image_dumper.Dump(); 1595 return EXIT_SUCCESS; 1596} 1597 1598} // namespace art 1599 1600int main(int argc, char** argv) { 1601 return art::oatdump(argc, argv); 1602} 1603