oatdump.cc revision 61c5ebc6aee2cac1c363de6fbdac25ada1697fdb
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 os << "IMAGE FILE LOCATION:\n"; 175 const std::string image_file_location(oat_header.GetImageFileLocation()); 176 os << image_file_location; 177 os << "\n\n"; 178 179 os << "BEGIN:\n"; 180 os << reinterpret_cast<const void*>(oat_file_.Begin()) << "\n\n"; 181 182 os << "END:\n"; 183 os << reinterpret_cast<const void*>(oat_file_.End()) << "\n\n"; 184 185 os << std::flush; 186 187 for (size_t i = 0; i < oat_dex_files_.size(); i++) { 188 const OatFile::OatDexFile* oat_dex_file = oat_dex_files_[i]; 189 CHECK(oat_dex_file != NULL); 190 DumpOatDexFile(os, *oat_dex_file); 191 } 192 } 193 194 size_t ComputeSize(const void* oat_data) { 195 if (reinterpret_cast<const byte*>(oat_data) < oat_file_.Begin() || 196 reinterpret_cast<const byte*>(oat_data) > oat_file_.End()) { 197 return 0; // Address not in oat file 198 } 199 uintptr_t begin_offset = reinterpret_cast<uintptr_t>(oat_data) - 200 reinterpret_cast<uintptr_t>(oat_file_.Begin()); 201 auto it = offsets_.upper_bound(begin_offset); 202 CHECK(it != offsets_.end()); 203 uintptr_t end_offset = *it; 204 return end_offset - begin_offset; 205 } 206 207 InstructionSet GetInstructionSet() { 208 return oat_file_.GetOatHeader().GetInstructionSet(); 209 } 210 211 const void* GetQuickOatCode(mirror::ArtMethod* m) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 212 MethodHelper mh(m); 213 for (size_t i = 0; i < oat_dex_files_.size(); i++) { 214 const OatFile::OatDexFile* oat_dex_file = oat_dex_files_[i]; 215 CHECK(oat_dex_file != nullptr); 216 std::string error_msg; 217 std::unique_ptr<const DexFile> dex_file(oat_dex_file->OpenDexFile(&error_msg)); 218 if (dex_file.get() == nullptr) { 219 LOG(WARNING) << "Failed to open dex file '" << oat_dex_file->GetDexFileLocation() 220 << "': " << error_msg; 221 } else { 222 const DexFile::ClassDef* class_def = 223 dex_file->FindClassDef(mh.GetDeclaringClassDescriptor()); 224 if (class_def != NULL) { 225 uint16_t class_def_index = dex_file->GetIndexForClassDef(*class_def); 226 const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(class_def_index); 227 size_t method_index = m->GetMethodIndex(); 228 return oat_class.GetOatMethod(method_index).GetQuickCode(); 229 } 230 } 231 } 232 return NULL; 233 } 234 235 private: 236 void AddAllOffsets() { 237 // We don't know the length of the code for each method, but we need to know where to stop 238 // when disassembling. What we do know is that a region of code will be followed by some other 239 // region, so if we keep a sorted sequence of the start of each region, we can infer the length 240 // of a piece of code by using upper_bound to find the start of the next region. 241 for (size_t i = 0; i < oat_dex_files_.size(); i++) { 242 const OatFile::OatDexFile* oat_dex_file = oat_dex_files_[i]; 243 CHECK(oat_dex_file != NULL); 244 std::string error_msg; 245 std::unique_ptr<const DexFile> dex_file(oat_dex_file->OpenDexFile(&error_msg)); 246 if (dex_file.get() == nullptr) { 247 LOG(WARNING) << "Failed to open dex file '" << oat_dex_file->GetDexFileLocation() 248 << "': " << error_msg; 249 continue; 250 } 251 offsets_.insert(reinterpret_cast<uintptr_t>(&dex_file->GetHeader())); 252 for (size_t class_def_index = 0; 253 class_def_index < dex_file->NumClassDefs(); 254 class_def_index++) { 255 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); 256 const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(class_def_index); 257 const byte* class_data = dex_file->GetClassData(class_def); 258 if (class_data != NULL) { 259 ClassDataItemIterator it(*dex_file, class_data); 260 SkipAllFields(it); 261 uint32_t class_method_index = 0; 262 while (it.HasNextDirectMethod()) { 263 AddOffsets(oat_class.GetOatMethod(class_method_index++)); 264 it.Next(); 265 } 266 while (it.HasNextVirtualMethod()) { 267 AddOffsets(oat_class.GetOatMethod(class_method_index++)); 268 it.Next(); 269 } 270 } 271 } 272 } 273 274 // If the last thing in the file is code for a method, there won't be an offset for the "next" 275 // thing. Instead of having a special case in the upper_bound code, let's just add an entry 276 // for the end of the file. 277 offsets_.insert(oat_file_.Size()); 278 } 279 280 void AddOffsets(const OatFile::OatMethod& oat_method) { 281 uint32_t code_offset = oat_method.GetCodeOffset(); 282 if (oat_file_.GetOatHeader().GetInstructionSet() == kThumb2) { 283 code_offset &= ~0x1; 284 } 285 offsets_.insert(code_offset); 286 offsets_.insert(oat_method.GetMappingTableOffset()); 287 offsets_.insert(oat_method.GetVmapTableOffset()); 288 offsets_.insert(oat_method.GetNativeGcMapOffset()); 289 } 290 291 void DumpOatDexFile(std::ostream& os, const OatFile::OatDexFile& oat_dex_file) { 292 os << "OAT DEX FILE:\n"; 293 os << StringPrintf("location: %s\n", oat_dex_file.GetDexFileLocation().c_str()); 294 os << StringPrintf("checksum: 0x%08x\n", oat_dex_file.GetDexFileLocationChecksum()); 295 296 // Create the verifier early. 297 298 std::string error_msg; 299 std::unique_ptr<const DexFile> dex_file(oat_dex_file.OpenDexFile(&error_msg)); 300 if (dex_file.get() == NULL) { 301 os << "NOT FOUND: " << error_msg << "\n\n"; 302 return; 303 } 304 for (size_t class_def_index = 0; 305 class_def_index < dex_file->NumClassDefs(); 306 class_def_index++) { 307 const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); 308 const char* descriptor = dex_file->GetClassDescriptor(class_def); 309 const OatFile::OatClass oat_class = oat_dex_file.GetOatClass(class_def_index); 310 os << StringPrintf("%zd: %s (type_idx=%d)", class_def_index, descriptor, class_def.class_idx_) 311 << " (" << oat_class.GetStatus() << ")" 312 << " (" << oat_class.GetType() << ")\n"; 313 // TODO: include bitmap here if type is kOatClassSomeCompiled? 314 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 315 std::ostream indented_os(&indent_filter); 316 DumpOatClass(indented_os, oat_class, *(dex_file.get()), class_def); 317 } 318 319 os << std::flush; 320 } 321 322 static void SkipAllFields(ClassDataItemIterator& it) { 323 while (it.HasNextStaticField()) { 324 it.Next(); 325 } 326 while (it.HasNextInstanceField()) { 327 it.Next(); 328 } 329 } 330 331 void DumpOatClass(std::ostream& os, const OatFile::OatClass& oat_class, const DexFile& dex_file, 332 const DexFile::ClassDef& class_def) { 333 const byte* class_data = dex_file.GetClassData(class_def); 334 if (class_data == NULL) { // empty class such as a marker interface? 335 return; 336 } 337 ClassDataItemIterator it(dex_file, class_data); 338 SkipAllFields(it); 339 uint32_t class_method_idx = 0; 340 while (it.HasNextDirectMethod()) { 341 const OatFile::OatMethod oat_method = oat_class.GetOatMethod(class_method_idx); 342 DumpOatMethod(os, class_def, class_method_idx, oat_method, dex_file, 343 it.GetMemberIndex(), it.GetMethodCodeItem(), it.GetMemberAccessFlags()); 344 class_method_idx++; 345 it.Next(); 346 } 347 while (it.HasNextVirtualMethod()) { 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 DCHECK(!it.HasNext()); 355 os << std::flush; 356 } 357 358 void DumpOatMethod(std::ostream& os, const DexFile::ClassDef& class_def, 359 uint32_t class_method_index, 360 const OatFile::OatMethod& oat_method, const DexFile& dex_file, 361 uint32_t dex_method_idx, const DexFile::CodeItem* code_item, 362 uint32_t method_access_flags) { 363 os << StringPrintf("%d: %s (dex_method_idx=%d)\n", 364 class_method_index, PrettyMethod(dex_method_idx, dex_file, true).c_str(), 365 dex_method_idx); 366 Indenter indent1_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 367 std::unique_ptr<std::ostream> indent1_os(new std::ostream(&indent1_filter)); 368 Indenter indent2_filter(indent1_os->rdbuf(), kIndentChar, kIndentBy1Count); 369 std::unique_ptr<std::ostream> indent2_os(new std::ostream(&indent2_filter)); 370 { 371 *indent1_os << "DEX CODE:\n"; 372 DumpDexCode(*indent2_os, dex_file, code_item); 373 } 374 if (Runtime::Current() != NULL) { 375 *indent1_os << "VERIFIER TYPE ANALYSIS:\n"; 376 DumpVerifier(*indent2_os, dex_method_idx, &dex_file, class_def, code_item, 377 method_access_flags); 378 } 379 { 380 *indent1_os << "OAT DATA:\n"; 381 382 *indent2_os << StringPrintf("frame_size_in_bytes: %zd\n", oat_method.GetFrameSizeInBytes()); 383 *indent2_os << StringPrintf("core_spill_mask: 0x%08x ", oat_method.GetCoreSpillMask()); 384 DumpSpillMask(*indent2_os, oat_method.GetCoreSpillMask(), false); 385 *indent2_os << StringPrintf("\nfp_spill_mask: 0x%08x ", oat_method.GetFpSpillMask()); 386 DumpSpillMask(*indent2_os, oat_method.GetFpSpillMask(), true); 387 *indent2_os << StringPrintf("\nvmap_table: %p (offset=0x%08x)\n", 388 oat_method.GetVmapTable(), oat_method.GetVmapTableOffset()); 389 DumpVmap(*indent2_os, oat_method); 390 *indent2_os << StringPrintf("mapping_table: %p (offset=0x%08x)\n", 391 oat_method.GetMappingTable(), oat_method.GetMappingTableOffset()); 392 if (dump_raw_mapping_table_) { 393 Indenter indent3_filter(indent2_os->rdbuf(), kIndentChar, kIndentBy1Count); 394 std::ostream indent3_os(&indent3_filter); 395 DumpMappingTable(indent3_os, oat_method); 396 } 397 *indent2_os << StringPrintf("gc_map: %p (offset=0x%08x)\n", 398 oat_method.GetNativeGcMap(), oat_method.GetNativeGcMapOffset()); 399 if (dump_raw_gc_map_) { 400 Indenter indent3_filter(indent2_os->rdbuf(), kIndentChar, kIndentBy1Count); 401 std::ostream indent3_os(&indent3_filter); 402 DumpGcMap(indent3_os, oat_method, code_item); 403 } 404 } 405 { 406 const void* code = oat_method.GetQuickCode(); 407 uint32_t code_size = oat_method.GetQuickCodeSize(); 408 if (code == nullptr) { 409 code = oat_method.GetPortableCode(); 410 code_size = oat_method.GetPortableCodeSize(); 411 } 412 *indent1_os << StringPrintf("CODE: %p (offset=0x%08x size=%d)%s\n", 413 code, 414 oat_method.GetCodeOffset(), 415 code_size, 416 code != nullptr ? "..." : ""); 417 418 Runtime* runtime = Runtime::Current(); 419 if (runtime != nullptr) { 420 ScopedObjectAccess soa(Thread::Current()); 421 StackHandleScope<1> hs(soa.Self()); 422 Handle<mirror::DexCache> dex_cache( 423 hs.NewHandle(runtime->GetClassLinker()->FindDexCache(dex_file))); 424 NullHandle<mirror::ClassLoader> class_loader; 425 verifier::MethodVerifier verifier(&dex_file, &dex_cache, &class_loader, &class_def, 426 code_item, dex_method_idx, nullptr, method_access_flags, 427 true, true, true); 428 verifier.Verify(); 429 DumpCode(*indent2_os, &verifier, oat_method, code_item); 430 } else { 431 DumpCode(*indent2_os, nullptr, oat_method, code_item); 432 } 433 } 434 } 435 436 void DumpSpillMask(std::ostream& os, uint32_t spill_mask, bool is_float) { 437 if (spill_mask == 0) { 438 return; 439 } 440 os << "("; 441 for (size_t i = 0; i < 32; i++) { 442 if ((spill_mask & (1 << i)) != 0) { 443 if (is_float) { 444 os << "fr" << i; 445 } else { 446 os << "r" << i; 447 } 448 spill_mask ^= 1 << i; // clear bit 449 if (spill_mask != 0) { 450 os << ", "; 451 } else { 452 break; 453 } 454 } 455 } 456 os << ")"; 457 } 458 459 void DumpVmap(std::ostream& os, const OatFile::OatMethod& oat_method) { 460 const uint8_t* raw_table = oat_method.GetVmapTable(); 461 if (raw_table != NULL) { 462 const VmapTable vmap_table(raw_table); 463 bool first = true; 464 bool processing_fp = false; 465 uint32_t spill_mask = oat_method.GetCoreSpillMask(); 466 for (size_t i = 0; i < vmap_table.Size(); i++) { 467 uint16_t dex_reg = vmap_table[i]; 468 uint32_t cpu_reg = vmap_table.ComputeRegister(spill_mask, i, 469 processing_fp ? kFloatVReg : kIntVReg); 470 os << (first ? "v" : ", v") << dex_reg; 471 if (!processing_fp) { 472 os << "/r" << cpu_reg; 473 } else { 474 os << "/fr" << cpu_reg; 475 } 476 first = false; 477 if (!processing_fp && dex_reg == 0xFFFF) { 478 processing_fp = true; 479 spill_mask = oat_method.GetFpSpillMask(); 480 } 481 } 482 os << "\n"; 483 } 484 } 485 486 void DescribeVReg(std::ostream& os, const OatFile::OatMethod& oat_method, 487 const DexFile::CodeItem* code_item, size_t reg, VRegKind kind) { 488 const uint8_t* raw_table = oat_method.GetVmapTable(); 489 if (raw_table != NULL) { 490 const VmapTable vmap_table(raw_table); 491 uint32_t vmap_offset; 492 if (vmap_table.IsInContext(reg, kind, &vmap_offset)) { 493 bool is_float = (kind == kFloatVReg) || (kind == kDoubleLoVReg) || (kind == kDoubleHiVReg); 494 uint32_t spill_mask = is_float ? oat_method.GetFpSpillMask() 495 : oat_method.GetCoreSpillMask(); 496 os << (is_float ? "fr" : "r") << vmap_table.ComputeRegister(spill_mask, vmap_offset, kind); 497 } else { 498 uint32_t offset = StackVisitor::GetVRegOffset(code_item, oat_method.GetCoreSpillMask(), 499 oat_method.GetFpSpillMask(), 500 oat_method.GetFrameSizeInBytes(), reg, 501 GetInstructionSet()); 502 os << "[sp + #" << offset << "]"; 503 } 504 } 505 } 506 507 void DumpGcMapRegisters(std::ostream& os, const OatFile::OatMethod& oat_method, 508 const DexFile::CodeItem* code_item, 509 size_t num_regs, const uint8_t* reg_bitmap) { 510 bool first = true; 511 for (size_t reg = 0; reg < num_regs; reg++) { 512 if (((reg_bitmap[reg / 8] >> (reg % 8)) & 0x01) != 0) { 513 if (first) { 514 os << " v" << reg << " ("; 515 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 516 os << ")"; 517 first = false; 518 } else { 519 os << ", v" << reg << " ("; 520 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 521 os << ")"; 522 } 523 } 524 } 525 if (first) { 526 os << "No registers in GC map\n"; 527 } else { 528 os << "\n"; 529 } 530 } 531 void DumpGcMap(std::ostream& os, const OatFile::OatMethod& oat_method, 532 const DexFile::CodeItem* code_item) { 533 const uint8_t* gc_map_raw = oat_method.GetNativeGcMap(); 534 if (gc_map_raw == nullptr) { 535 return; // No GC map. 536 } 537 const void* quick_code = oat_method.GetQuickCode(); 538 if (quick_code != nullptr) { 539 NativePcOffsetToReferenceMap map(gc_map_raw); 540 for (size_t entry = 0; entry < map.NumEntries(); entry++) { 541 const uint8_t* native_pc = reinterpret_cast<const uint8_t*>(quick_code) + 542 map.GetNativePcOffset(entry); 543 os << StringPrintf("%p", native_pc); 544 DumpGcMapRegisters(os, oat_method, code_item, map.RegWidth() * 8, map.GetBitMap(entry)); 545 } 546 } else { 547 const void* portable_code = oat_method.GetPortableCode(); 548 CHECK(portable_code != nullptr); 549 verifier::DexPcToReferenceMap map(gc_map_raw); 550 for (size_t entry = 0; entry < map.NumEntries(); entry++) { 551 uint32_t dex_pc = map.GetDexPc(entry); 552 os << StringPrintf("0x%08x", dex_pc); 553 DumpGcMapRegisters(os, oat_method, code_item, map.RegWidth() * 8, map.GetBitMap(entry)); 554 } 555 } 556 } 557 558 void DumpMappingTable(std::ostream& os, const OatFile::OatMethod& oat_method) { 559 const void* quick_code = oat_method.GetQuickCode(); 560 if (quick_code == nullptr) { 561 return; 562 } 563 MappingTable table(oat_method.GetMappingTable()); 564 if (table.TotalSize() != 0) { 565 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 566 std::ostream indent_os(&indent_filter); 567 if (table.PcToDexSize() != 0) { 568 typedef MappingTable::PcToDexIterator It; 569 os << "suspend point mappings {\n"; 570 for (It cur = table.PcToDexBegin(), end = table.PcToDexEnd(); cur != end; ++cur) { 571 indent_os << StringPrintf("0x%04x -> 0x%04x\n", cur.NativePcOffset(), cur.DexPc()); 572 } 573 os << "}\n"; 574 } 575 if (table.DexToPcSize() != 0) { 576 typedef MappingTable::DexToPcIterator It; 577 os << "catch entry mappings {\n"; 578 for (It cur = table.DexToPcBegin(), end = table.DexToPcEnd(); cur != end; ++cur) { 579 indent_os << StringPrintf("0x%04x -> 0x%04x\n", cur.NativePcOffset(), cur.DexPc()); 580 } 581 os << "}\n"; 582 } 583 } 584 } 585 586 uint32_t DumpMappingAtOffset(std::ostream& os, const OatFile::OatMethod& oat_method, 587 size_t offset, bool suspend_point_mapping) { 588 MappingTable table(oat_method.GetMappingTable()); 589 if (suspend_point_mapping && table.PcToDexSize() > 0) { 590 typedef MappingTable::PcToDexIterator It; 591 for (It cur = table.PcToDexBegin(), end = table.PcToDexEnd(); cur != end; ++cur) { 592 if (offset == cur.NativePcOffset()) { 593 os << StringPrintf("suspend point dex PC: 0x%04x\n", cur.DexPc()); 594 return cur.DexPc(); 595 } 596 } 597 } else if (!suspend_point_mapping && table.DexToPcSize() > 0) { 598 typedef MappingTable::DexToPcIterator It; 599 for (It cur = table.DexToPcBegin(), end = table.DexToPcEnd(); cur != end; ++cur) { 600 if (offset == cur.NativePcOffset()) { 601 os << StringPrintf("catch entry dex PC: 0x%04x\n", cur.DexPc()); 602 return cur.DexPc(); 603 } 604 } 605 } 606 return DexFile::kDexNoIndex; 607 } 608 609 void DumpGcMapAtNativePcOffset(std::ostream& os, const OatFile::OatMethod& oat_method, 610 const DexFile::CodeItem* code_item, size_t native_pc_offset) { 611 const uint8_t* gc_map_raw = oat_method.GetNativeGcMap(); 612 if (gc_map_raw != NULL) { 613 NativePcOffsetToReferenceMap map(gc_map_raw); 614 if (map.HasEntry(native_pc_offset)) { 615 size_t num_regs = map.RegWidth() * 8; 616 const uint8_t* reg_bitmap = map.FindBitMap(native_pc_offset); 617 bool first = true; 618 for (size_t reg = 0; reg < num_regs; reg++) { 619 if (((reg_bitmap[reg / 8] >> (reg % 8)) & 0x01) != 0) { 620 if (first) { 621 os << "GC map objects: v" << reg << " ("; 622 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 623 os << ")"; 624 first = false; 625 } else { 626 os << ", v" << reg << " ("; 627 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 628 os << ")"; 629 } 630 } 631 } 632 if (!first) { 633 os << "\n"; 634 } 635 } 636 } 637 } 638 639 void DumpVRegsAtDexPc(std::ostream& os, verifier::MethodVerifier* verifier, 640 const OatFile::OatMethod& oat_method, 641 const DexFile::CodeItem* code_item, uint32_t dex_pc) { 642 DCHECK(verifier != nullptr); 643 std::vector<int32_t> kinds = verifier->DescribeVRegs(dex_pc); 644 bool first = true; 645 for (size_t reg = 0; reg < code_item->registers_size_; reg++) { 646 VRegKind kind = static_cast<VRegKind>(kinds.at(reg * 2)); 647 if (kind != kUndefined) { 648 if (first) { 649 os << "VRegs: v"; 650 first = false; 651 } else { 652 os << ", v"; 653 } 654 os << reg << " ("; 655 switch (kind) { 656 case kImpreciseConstant: 657 os << "Imprecise Constant: " << kinds.at((reg * 2) + 1) << ", "; 658 DescribeVReg(os, oat_method, code_item, reg, kind); 659 break; 660 case kConstant: 661 os << "Constant: " << kinds.at((reg * 2) + 1); 662 break; 663 default: 664 DescribeVReg(os, oat_method, code_item, reg, kind); 665 break; 666 } 667 os << ")"; 668 } 669 } 670 if (!first) { 671 os << "\n"; 672 } 673 } 674 675 676 void DumpDexCode(std::ostream& os, const DexFile& dex_file, const DexFile::CodeItem* code_item) { 677 if (code_item != NULL) { 678 size_t i = 0; 679 while (i < code_item->insns_size_in_code_units_) { 680 const Instruction* instruction = Instruction::At(&code_item->insns_[i]); 681 os << StringPrintf("0x%04zx: %s\n", i, instruction->DumpString(&dex_file).c_str()); 682 i += instruction->SizeInCodeUnits(); 683 } 684 } 685 } 686 687 void DumpVerifier(std::ostream& os, uint32_t dex_method_idx, const DexFile* dex_file, 688 const DexFile::ClassDef& class_def, const DexFile::CodeItem* code_item, 689 uint32_t method_access_flags) { 690 if ((method_access_flags & kAccNative) == 0) { 691 ScopedObjectAccess soa(Thread::Current()); 692 StackHandleScope<2> hs(soa.Self()); 693 Handle<mirror::DexCache> dex_cache( 694 hs.NewHandle(Runtime::Current()->GetClassLinker()->FindDexCache(*dex_file))); 695 auto class_loader(hs.NewHandle<mirror::ClassLoader>(nullptr)); 696 verifier::MethodVerifier::VerifyMethodAndDump(os, dex_method_idx, dex_file, dex_cache, 697 class_loader, &class_def, code_item, nullptr, 698 method_access_flags); 699 } 700 } 701 702 void DumpCode(std::ostream& os, verifier::MethodVerifier* verifier, 703 const OatFile::OatMethod& oat_method, const DexFile::CodeItem* code_item) { 704 const void* portable_code = oat_method.GetPortableCode(); 705 const void* quick_code = oat_method.GetQuickCode(); 706 707 size_t code_size = oat_method.GetQuickCodeSize(); 708 if ((code_size == 0) || ((portable_code == nullptr) && (quick_code == nullptr))) { 709 os << "NO CODE!\n"; 710 return; 711 } else if (quick_code != nullptr) { 712 const uint8_t* quick_native_pc = reinterpret_cast<const uint8_t*>(quick_code); 713 size_t offset = 0; 714 while (offset < code_size) { 715 DumpMappingAtOffset(os, oat_method, offset, false); 716 offset += disassembler_->Dump(os, quick_native_pc + offset); 717 uint32_t dex_pc = DumpMappingAtOffset(os, oat_method, offset, true); 718 if (dex_pc != DexFile::kDexNoIndex) { 719 DumpGcMapAtNativePcOffset(os, oat_method, code_item, offset); 720 if (verifier != nullptr) { 721 DumpVRegsAtDexPc(os, verifier, oat_method, code_item, dex_pc); 722 } 723 } 724 } 725 } else { 726 CHECK(portable_code != nullptr); 727 CHECK_EQ(code_size, 0U); // TODO: disassembly of portable is currently not supported. 728 } 729 } 730 731 const OatFile& oat_file_; 732 std::vector<const OatFile::OatDexFile*> oat_dex_files_; 733 bool dump_raw_mapping_table_; 734 bool dump_raw_gc_map_; 735 std::set<uintptr_t> offsets_; 736 std::unique_ptr<Disassembler> disassembler_; 737}; 738 739class ImageDumper { 740 public: 741 explicit ImageDumper(std::ostream* os, gc::space::ImageSpace& image_space, 742 const ImageHeader& image_header, bool dump_raw_mapping_table, 743 bool dump_raw_gc_map) 744 : os_(os), image_space_(image_space), image_header_(image_header), 745 dump_raw_mapping_table_(dump_raw_mapping_table), 746 dump_raw_gc_map_(dump_raw_gc_map) {} 747 748 void Dump() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 749 std::ostream& os = *os_; 750 os << "MAGIC: " << image_header_.GetMagic() << "\n\n"; 751 752 os << "IMAGE BEGIN: " << reinterpret_cast<void*>(image_header_.GetImageBegin()) << "\n\n"; 753 754 os << "IMAGE BITMAP OFFSET: " << reinterpret_cast<void*>(image_header_.GetImageBitmapOffset()) 755 << " SIZE: " << reinterpret_cast<void*>(image_header_.GetImageBitmapSize()) << "\n\n"; 756 757 os << "OAT CHECKSUM: " << StringPrintf("0x%08x\n\n", image_header_.GetOatChecksum()); 758 759 os << "OAT FILE BEGIN:" << reinterpret_cast<void*>(image_header_.GetOatFileBegin()) << "\n\n"; 760 761 os << "OAT DATA BEGIN:" << reinterpret_cast<void*>(image_header_.GetOatDataBegin()) << "\n\n"; 762 763 os << "OAT DATA END:" << reinterpret_cast<void*>(image_header_.GetOatDataEnd()) << "\n\n"; 764 765 os << "OAT FILE END:" << reinterpret_cast<void*>(image_header_.GetOatFileEnd()) << "\n\n"; 766 767 { 768 os << "ROOTS: " << reinterpret_cast<void*>(image_header_.GetImageRoots()) << "\n"; 769 Indenter indent1_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 770 std::ostream indent1_os(&indent1_filter); 771 CHECK_EQ(arraysize(image_roots_descriptions_), size_t(ImageHeader::kImageRootsMax)); 772 for (int i = 0; i < ImageHeader::kImageRootsMax; i++) { 773 ImageHeader::ImageRoot image_root = static_cast<ImageHeader::ImageRoot>(i); 774 const char* image_root_description = image_roots_descriptions_[i]; 775 mirror::Object* image_root_object = image_header_.GetImageRoot(image_root); 776 indent1_os << StringPrintf("%s: %p\n", image_root_description, image_root_object); 777 if (image_root_object->IsObjectArray()) { 778 Indenter indent2_filter(indent1_os.rdbuf(), kIndentChar, kIndentBy1Count); 779 std::ostream indent2_os(&indent2_filter); 780 mirror::ObjectArray<mirror::Object>* image_root_object_array 781 = image_root_object->AsObjectArray<mirror::Object>(); 782 for (int i = 0; i < image_root_object_array->GetLength(); i++) { 783 mirror::Object* value = image_root_object_array->Get(i); 784 size_t run = 0; 785 for (int32_t j = i + 1; j < image_root_object_array->GetLength(); j++) { 786 if (value == image_root_object_array->Get(j)) { 787 run++; 788 } else { 789 break; 790 } 791 } 792 if (run == 0) { 793 indent2_os << StringPrintf("%d: ", i); 794 } else { 795 indent2_os << StringPrintf("%d to %zd: ", i, i + run); 796 i = i + run; 797 } 798 if (value != NULL) { 799 PrettyObjectValue(indent2_os, value->GetClass(), value); 800 } else { 801 indent2_os << i << ": null\n"; 802 } 803 } 804 } 805 } 806 } 807 os << "\n"; 808 809 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 810 std::string image_filename = image_space_.GetImageFilename(); 811 std::string oat_location = ImageHeader::GetOatLocationFromImageLocation(image_filename); 812 os << "OAT LOCATION: " << oat_location; 813 os << "\n"; 814 std::string error_msg; 815 const OatFile* oat_file = class_linker->FindOatFileFromOatLocation(oat_location, &error_msg); 816 if (oat_file == NULL) { 817 os << "NOT FOUND: " << error_msg << "\n"; 818 return; 819 } 820 os << "\n"; 821 822 stats_.oat_file_bytes = oat_file->Size(); 823 824 oat_dumper_.reset(new OatDumper(*oat_file, dump_raw_mapping_table_, 825 dump_raw_gc_map_)); 826 827 for (const OatFile::OatDexFile* oat_dex_file : oat_file->GetOatDexFiles()) { 828 CHECK(oat_dex_file != NULL); 829 stats_.oat_dex_file_sizes.push_back(std::make_pair(oat_dex_file->GetDexFileLocation(), 830 oat_dex_file->FileSize())); 831 } 832 833 os << "OBJECTS:\n" << std::flush; 834 835 // Loop through all the image spaces and dump their objects. 836 gc::Heap* heap = Runtime::Current()->GetHeap(); 837 const std::vector<gc::space::ContinuousSpace*>& spaces = heap->GetContinuousSpaces(); 838 Thread* self = Thread::Current(); 839 { 840 { 841 WriterMutexLock mu(self, *Locks::heap_bitmap_lock_); 842 heap->FlushAllocStack(); 843 } 844 // Since FlushAllocStack() above resets the (active) allocation 845 // stack. Need to revoke the thread-local allocation stacks that 846 // point into it. 847 { 848 self->TransitionFromRunnableToSuspended(kNative); 849 ThreadList* thread_list = Runtime::Current()->GetThreadList(); 850 thread_list->SuspendAll(); 851 heap->RevokeAllThreadLocalAllocationStacks(self); 852 thread_list->ResumeAll(); 853 self->TransitionFromSuspendedToRunnable(); 854 } 855 } 856 { 857 std::ostream* saved_os = os_; 858 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 859 std::ostream indent_os(&indent_filter); 860 os_ = &indent_os; 861 ReaderMutexLock mu(self, *Locks::heap_bitmap_lock_); 862 for (const auto& space : spaces) { 863 if (space->IsImageSpace()) { 864 gc::space::ImageSpace* image_space = space->AsImageSpace(); 865 image_space->GetLiveBitmap()->Walk(ImageDumper::Callback, this); 866 indent_os << "\n"; 867 } 868 } 869 // Dump the large objects separately. 870 heap->GetLargeObjectsSpace()->GetLiveBitmap()->Walk(ImageDumper::Callback, this); 871 indent_os << "\n"; 872 os_ = saved_os; 873 } 874 os << "STATS:\n" << std::flush; 875 std::unique_ptr<File> file(OS::OpenFileForReading(image_filename.c_str())); 876 if (file.get() == NULL) { 877 LOG(WARNING) << "Failed to find image in " << image_filename; 878 } 879 if (file.get() != NULL) { 880 stats_.file_bytes = file->GetLength(); 881 } 882 size_t header_bytes = sizeof(ImageHeader); 883 stats_.header_bytes = header_bytes; 884 size_t alignment_bytes = RoundUp(header_bytes, kObjectAlignment) - header_bytes; 885 stats_.alignment_bytes += alignment_bytes; 886 stats_.alignment_bytes += image_header_.GetImageBitmapOffset() - image_header_.GetImageSize(); 887 stats_.bitmap_bytes += image_header_.GetImageBitmapSize(); 888 stats_.Dump(os); 889 os << "\n"; 890 891 os << std::flush; 892 893 oat_dumper_->Dump(os); 894 } 895 896 private: 897 static void PrettyObjectValue(std::ostream& os, mirror::Class* type, mirror::Object* value) 898 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 899 CHECK(type != NULL); 900 if (value == NULL) { 901 os << StringPrintf("null %s\n", PrettyDescriptor(type).c_str()); 902 } else if (type->IsStringClass()) { 903 mirror::String* string = value->AsString(); 904 os << StringPrintf("%p String: %s\n", string, 905 PrintableString(string->ToModifiedUtf8()).c_str()); 906 } else if (type->IsClassClass()) { 907 mirror::Class* klass = value->AsClass(); 908 os << StringPrintf("%p Class: %s\n", klass, PrettyDescriptor(klass).c_str()); 909 } else if (type->IsArtFieldClass()) { 910 mirror::ArtField* field = value->AsArtField(); 911 os << StringPrintf("%p Field: %s\n", field, PrettyField(field).c_str()); 912 } else if (type->IsArtMethodClass()) { 913 mirror::ArtMethod* method = value->AsArtMethod(); 914 os << StringPrintf("%p Method: %s\n", method, PrettyMethod(method).c_str()); 915 } else { 916 os << StringPrintf("%p %s\n", value, PrettyDescriptor(type).c_str()); 917 } 918 } 919 920 static void PrintField(std::ostream& os, mirror::ArtField* field, mirror::Object* obj) 921 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 922 const char* descriptor = field->GetTypeDescriptor(); 923 os << StringPrintf("%s: ", field->GetName()); 924 if (descriptor[0] != 'L' && descriptor[0] != '[') { 925 StackHandleScope<1> hs(Thread::Current()); 926 FieldHelper fh(hs.NewHandle(field)); 927 mirror::Class* type = fh.GetType(); 928 if (type->IsPrimitiveLong()) { 929 os << StringPrintf("%" PRId64 " (0x%" PRIx64 ")\n", field->Get64(obj), field->Get64(obj)); 930 } else if (type->IsPrimitiveDouble()) { 931 os << StringPrintf("%f (%a)\n", field->GetDouble(obj), field->GetDouble(obj)); 932 } else if (type->IsPrimitiveFloat()) { 933 os << StringPrintf("%f (%a)\n", field->GetFloat(obj), field->GetFloat(obj)); 934 } else { 935 DCHECK(type->IsPrimitive()); 936 os << StringPrintf("%d (0x%x)\n", field->Get32(obj), field->Get32(obj)); 937 } 938 } else { 939 // Get the value, don't compute the type unless it is non-null as we don't want 940 // to cause class loading. 941 mirror::Object* value = field->GetObj(obj); 942 if (value == NULL) { 943 os << StringPrintf("null %s\n", PrettyDescriptor(descriptor).c_str()); 944 } else { 945 // Grab the field type without causing resolution. 946 StackHandleScope<1> hs(Thread::Current()); 947 FieldHelper fh(hs.NewHandle(field)); 948 mirror::Class* field_type = fh.GetType(false); 949 if (field_type != NULL) { 950 PrettyObjectValue(os, field_type, value); 951 } else { 952 os << StringPrintf("%p %s\n", value, PrettyDescriptor(descriptor).c_str()); 953 } 954 } 955 } 956 } 957 958 static void DumpFields(std::ostream& os, mirror::Object* obj, mirror::Class* klass) 959 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 960 mirror::Class* super = klass->GetSuperClass(); 961 if (super != NULL) { 962 DumpFields(os, obj, super); 963 } 964 mirror::ObjectArray<mirror::ArtField>* fields = klass->GetIFields(); 965 if (fields != NULL) { 966 for (int32_t i = 0; i < fields->GetLength(); i++) { 967 mirror::ArtField* field = fields->Get(i); 968 PrintField(os, field, obj); 969 } 970 } 971 } 972 973 bool InDumpSpace(const mirror::Object* object) { 974 return image_space_.Contains(object); 975 } 976 977 const void* GetQuickOatCodeBegin(mirror::ArtMethod* m) 978 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 979 const void* quick_code = m->GetEntryPointFromQuickCompiledCode(); 980 if (quick_code == GetQuickResolutionTrampoline(Runtime::Current()->GetClassLinker())) { 981 quick_code = oat_dumper_->GetQuickOatCode(m); 982 } 983 if (oat_dumper_->GetInstructionSet() == kThumb2) { 984 quick_code = reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(quick_code) & ~0x1); 985 } 986 return quick_code; 987 } 988 989 uint32_t GetQuickOatCodeSize(mirror::ArtMethod* m) 990 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 991 const uint32_t* oat_code_begin = reinterpret_cast<const uint32_t*>(GetQuickOatCodeBegin(m)); 992 if (oat_code_begin == nullptr) { 993 return 0; 994 } 995 return oat_code_begin[-1]; 996 } 997 998 const void* GetQuickOatCodeEnd(mirror::ArtMethod* m) 999 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1000 const uint8_t* oat_code_begin = reinterpret_cast<const uint8_t*>(GetQuickOatCodeBegin(m)); 1001 if (oat_code_begin == NULL) { 1002 return NULL; 1003 } 1004 return oat_code_begin + GetQuickOatCodeSize(m); 1005 } 1006 1007 static void Callback(mirror::Object* obj, void* arg) 1008 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1009 DCHECK(obj != NULL); 1010 DCHECK(arg != NULL); 1011 ImageDumper* state = reinterpret_cast<ImageDumper*>(arg); 1012 if (!state->InDumpSpace(obj)) { 1013 return; 1014 } 1015 1016 size_t object_bytes = obj->SizeOf(); 1017 size_t alignment_bytes = RoundUp(object_bytes, kObjectAlignment) - object_bytes; 1018 state->stats_.object_bytes += object_bytes; 1019 state->stats_.alignment_bytes += alignment_bytes; 1020 1021 std::ostream& os = *state->os_; 1022 mirror::Class* obj_class = obj->GetClass(); 1023 if (obj_class->IsArrayClass()) { 1024 os << StringPrintf("%p: %s length:%d\n", obj, PrettyDescriptor(obj_class).c_str(), 1025 obj->AsArray()->GetLength()); 1026 } else if (obj->IsClass()) { 1027 mirror::Class* klass = obj->AsClass(); 1028 os << StringPrintf("%p: java.lang.Class \"%s\" (", obj, PrettyDescriptor(klass).c_str()) 1029 << klass->GetStatus() << ")\n"; 1030 } else if (obj->IsArtField()) { 1031 os << StringPrintf("%p: java.lang.reflect.ArtField %s\n", obj, 1032 PrettyField(obj->AsArtField()).c_str()); 1033 } else if (obj->IsArtMethod()) { 1034 os << StringPrintf("%p: java.lang.reflect.ArtMethod %s\n", obj, 1035 PrettyMethod(obj->AsArtMethod()).c_str()); 1036 } else if (obj_class->IsStringClass()) { 1037 os << StringPrintf("%p: java.lang.String %s\n", obj, 1038 PrintableString(obj->AsString()->ToModifiedUtf8()).c_str()); 1039 } else { 1040 os << StringPrintf("%p: %s\n", obj, PrettyDescriptor(obj_class).c_str()); 1041 } 1042 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 1043 std::ostream indent_os(&indent_filter); 1044 DumpFields(indent_os, obj, obj_class); 1045 if (obj->IsObjectArray()) { 1046 mirror::ObjectArray<mirror::Object>* obj_array = obj->AsObjectArray<mirror::Object>(); 1047 int32_t length = obj_array->GetLength(); 1048 for (int32_t i = 0; i < length; i++) { 1049 mirror::Object* value = obj_array->Get(i); 1050 size_t run = 0; 1051 for (int32_t j = i + 1; j < length; j++) { 1052 if (value == obj_array->Get(j)) { 1053 run++; 1054 } else { 1055 break; 1056 } 1057 } 1058 if (run == 0) { 1059 indent_os << StringPrintf("%d: ", i); 1060 } else { 1061 indent_os << StringPrintf("%d to %zd: ", i, i + run); 1062 i = i + run; 1063 } 1064 mirror::Class* value_class = 1065 (value == NULL) ? obj_class->GetComponentType() : value->GetClass(); 1066 PrettyObjectValue(indent_os, value_class, value); 1067 } 1068 } else if (obj->IsClass()) { 1069 mirror::ObjectArray<mirror::ArtField>* sfields = obj->AsClass()->GetSFields(); 1070 if (sfields != NULL) { 1071 indent_os << "STATICS:\n"; 1072 Indenter indent2_filter(indent_os.rdbuf(), kIndentChar, kIndentBy1Count); 1073 std::ostream indent2_os(&indent2_filter); 1074 for (int32_t i = 0; i < sfields->GetLength(); i++) { 1075 mirror::ArtField* field = sfields->Get(i); 1076 PrintField(indent2_os, field, field->GetDeclaringClass()); 1077 } 1078 } 1079 } else if (obj->IsArtMethod()) { 1080 mirror::ArtMethod* method = obj->AsArtMethod(); 1081 if (method->IsNative()) { 1082 // TODO: portable dumping. 1083 DCHECK(method->GetNativeGcMap() == nullptr) << PrettyMethod(method); 1084 DCHECK(method->GetMappingTable() == nullptr) << PrettyMethod(method); 1085 bool first_occurrence; 1086 const void* quick_oat_code = state->GetQuickOatCodeBegin(method); 1087 uint32_t quick_oat_code_size = state->GetQuickOatCodeSize(method); 1088 state->ComputeOatSize(quick_oat_code, &first_occurrence); 1089 if (first_occurrence) { 1090 state->stats_.native_to_managed_code_bytes += quick_oat_code_size; 1091 } 1092 if (quick_oat_code != method->GetEntryPointFromQuickCompiledCode()) { 1093 indent_os << StringPrintf("OAT CODE: %p\n", quick_oat_code); 1094 } 1095 } else if (method->IsAbstract() || method->IsCalleeSaveMethod() || 1096 method->IsResolutionMethod() || method->IsImtConflictMethod() || 1097 MethodHelper(method).IsClassInitializer()) { 1098 DCHECK(method->GetNativeGcMap() == NULL) << PrettyMethod(method); 1099 DCHECK(method->GetMappingTable() == NULL) << PrettyMethod(method); 1100 } else { 1101 const DexFile::CodeItem* code_item = MethodHelper(method).GetCodeItem(); 1102 size_t dex_instruction_bytes = code_item->insns_size_in_code_units_ * 2; 1103 state->stats_.dex_instruction_bytes += dex_instruction_bytes; 1104 1105 bool first_occurrence; 1106 size_t gc_map_bytes = state->ComputeOatSize(method->GetNativeGcMap(), &first_occurrence); 1107 if (first_occurrence) { 1108 state->stats_.gc_map_bytes += gc_map_bytes; 1109 } 1110 1111 size_t pc_mapping_table_bytes = 1112 state->ComputeOatSize(method->GetMappingTable(), &first_occurrence); 1113 if (first_occurrence) { 1114 state->stats_.pc_mapping_table_bytes += pc_mapping_table_bytes; 1115 } 1116 1117 size_t vmap_table_bytes = 1118 state->ComputeOatSize(method->GetVmapTable(), &first_occurrence); 1119 if (first_occurrence) { 1120 state->stats_.vmap_table_bytes += vmap_table_bytes; 1121 } 1122 1123 // TODO: portable dumping. 1124 const void* quick_oat_code_begin = state->GetQuickOatCodeBegin(method); 1125 const void* quick_oat_code_end = state->GetQuickOatCodeEnd(method); 1126 uint32_t quick_oat_code_size = state->GetQuickOatCodeSize(method); 1127 state->ComputeOatSize(quick_oat_code_begin, &first_occurrence); 1128 if (first_occurrence) { 1129 state->stats_.managed_code_bytes += quick_oat_code_size; 1130 if (method->IsConstructor()) { 1131 if (method->IsStatic()) { 1132 state->stats_.class_initializer_code_bytes += quick_oat_code_size; 1133 } else if (dex_instruction_bytes > kLargeConstructorDexBytes) { 1134 state->stats_.large_initializer_code_bytes += quick_oat_code_size; 1135 } 1136 } else if (dex_instruction_bytes > kLargeMethodDexBytes) { 1137 state->stats_.large_method_code_bytes += quick_oat_code_size; 1138 } 1139 } 1140 state->stats_.managed_code_bytes_ignoring_deduplication += quick_oat_code_size; 1141 1142 indent_os << StringPrintf("OAT CODE: %p-%p\n", quick_oat_code_begin, quick_oat_code_end); 1143 indent_os << StringPrintf("SIZE: Dex Instructions=%zd GC=%zd Mapping=%zd\n", 1144 dex_instruction_bytes, gc_map_bytes, pc_mapping_table_bytes); 1145 1146 size_t total_size = dex_instruction_bytes + gc_map_bytes + pc_mapping_table_bytes + 1147 vmap_table_bytes + quick_oat_code_size + object_bytes; 1148 1149 double expansion = 1150 static_cast<double>(quick_oat_code_size) / static_cast<double>(dex_instruction_bytes); 1151 state->stats_.ComputeOutliers(total_size, expansion, method); 1152 } 1153 } 1154 state->stats_.Update(obj_class->GetDescriptor().c_str(), object_bytes); 1155 } 1156 1157 std::set<const void*> already_seen_; 1158 // Compute the size of the given data within the oat file and whether this is the first time 1159 // this data has been requested 1160 size_t ComputeOatSize(const void* oat_data, bool* first_occurrence) { 1161 if (already_seen_.count(oat_data) == 0) { 1162 *first_occurrence = true; 1163 already_seen_.insert(oat_data); 1164 } else { 1165 *first_occurrence = false; 1166 } 1167 return oat_dumper_->ComputeSize(oat_data); 1168 } 1169 1170 public: 1171 struct Stats { 1172 size_t oat_file_bytes; 1173 size_t file_bytes; 1174 1175 size_t header_bytes; 1176 size_t object_bytes; 1177 size_t bitmap_bytes; 1178 size_t alignment_bytes; 1179 1180 size_t managed_code_bytes; 1181 size_t managed_code_bytes_ignoring_deduplication; 1182 size_t managed_to_native_code_bytes; 1183 size_t native_to_managed_code_bytes; 1184 size_t class_initializer_code_bytes; 1185 size_t large_initializer_code_bytes; 1186 size_t large_method_code_bytes; 1187 1188 size_t gc_map_bytes; 1189 size_t pc_mapping_table_bytes; 1190 size_t vmap_table_bytes; 1191 1192 size_t dex_instruction_bytes; 1193 1194 std::vector<mirror::ArtMethod*> method_outlier; 1195 std::vector<size_t> method_outlier_size; 1196 std::vector<double> method_outlier_expansion; 1197 std::vector<std::pair<std::string, size_t>> oat_dex_file_sizes; 1198 1199 explicit Stats() 1200 : oat_file_bytes(0), 1201 file_bytes(0), 1202 header_bytes(0), 1203 object_bytes(0), 1204 bitmap_bytes(0), 1205 alignment_bytes(0), 1206 managed_code_bytes(0), 1207 managed_code_bytes_ignoring_deduplication(0), 1208 managed_to_native_code_bytes(0), 1209 native_to_managed_code_bytes(0), 1210 class_initializer_code_bytes(0), 1211 large_initializer_code_bytes(0), 1212 large_method_code_bytes(0), 1213 gc_map_bytes(0), 1214 pc_mapping_table_bytes(0), 1215 vmap_table_bytes(0), 1216 dex_instruction_bytes(0) {} 1217 1218 struct SizeAndCount { 1219 SizeAndCount(size_t bytes, size_t count) : bytes(bytes), count(count) {} 1220 size_t bytes; 1221 size_t count; 1222 }; 1223 typedef SafeMap<std::string, SizeAndCount> SizeAndCountTable; 1224 SizeAndCountTable sizes_and_counts; 1225 1226 void Update(const char* descriptor, size_t object_bytes) { 1227 SizeAndCountTable::iterator it = sizes_and_counts.find(descriptor); 1228 if (it != sizes_and_counts.end()) { 1229 it->second.bytes += object_bytes; 1230 it->second.count += 1; 1231 } else { 1232 sizes_and_counts.Put(descriptor, SizeAndCount(object_bytes, 1)); 1233 } 1234 } 1235 1236 double PercentOfOatBytes(size_t size) { 1237 return (static_cast<double>(size) / static_cast<double>(oat_file_bytes)) * 100; 1238 } 1239 1240 double PercentOfFileBytes(size_t size) { 1241 return (static_cast<double>(size) / static_cast<double>(file_bytes)) * 100; 1242 } 1243 1244 double PercentOfObjectBytes(size_t size) { 1245 return (static_cast<double>(size) / static_cast<double>(object_bytes)) * 100; 1246 } 1247 1248 void ComputeOutliers(size_t total_size, double expansion, mirror::ArtMethod* method) { 1249 method_outlier_size.push_back(total_size); 1250 method_outlier_expansion.push_back(expansion); 1251 method_outlier.push_back(method); 1252 } 1253 1254 void DumpOutliers(std::ostream& os) 1255 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1256 size_t sum_of_sizes = 0; 1257 size_t sum_of_sizes_squared = 0; 1258 size_t sum_of_expansion = 0; 1259 size_t sum_of_expansion_squared = 0; 1260 size_t n = method_outlier_size.size(); 1261 for (size_t i = 0; i < n; i++) { 1262 size_t cur_size = method_outlier_size[i]; 1263 sum_of_sizes += cur_size; 1264 sum_of_sizes_squared += cur_size * cur_size; 1265 double cur_expansion = method_outlier_expansion[i]; 1266 sum_of_expansion += cur_expansion; 1267 sum_of_expansion_squared += cur_expansion * cur_expansion; 1268 } 1269 size_t size_mean = sum_of_sizes / n; 1270 size_t size_variance = (sum_of_sizes_squared - sum_of_sizes * size_mean) / (n - 1); 1271 double expansion_mean = sum_of_expansion / n; 1272 double expansion_variance = 1273 (sum_of_expansion_squared - sum_of_expansion * expansion_mean) / (n - 1); 1274 1275 // Dump methods whose size is a certain number of standard deviations from the mean 1276 size_t dumped_values = 0; 1277 size_t skipped_values = 0; 1278 for (size_t i = 100; i > 0; i--) { // i is the current number of standard deviations 1279 size_t cur_size_variance = i * i * size_variance; 1280 bool first = true; 1281 for (size_t j = 0; j < n; j++) { 1282 size_t cur_size = method_outlier_size[j]; 1283 if (cur_size > size_mean) { 1284 size_t cur_var = cur_size - size_mean; 1285 cur_var = cur_var * cur_var; 1286 if (cur_var > cur_size_variance) { 1287 if (dumped_values > 20) { 1288 if (i == 1) { 1289 skipped_values++; 1290 } else { 1291 i = 2; // jump to counting for 1 standard deviation 1292 break; 1293 } 1294 } else { 1295 if (first) { 1296 os << "\nBig methods (size > " << i << " standard deviations the norm):\n"; 1297 first = false; 1298 } 1299 os << PrettyMethod(method_outlier[j]) << " requires storage of " 1300 << PrettySize(cur_size) << "\n"; 1301 method_outlier_size[j] = 0; // don't consider this method again 1302 dumped_values++; 1303 } 1304 } 1305 } 1306 } 1307 } 1308 if (skipped_values > 0) { 1309 os << "... skipped " << skipped_values 1310 << " methods with size > 1 standard deviation from the norm\n"; 1311 } 1312 os << std::flush; 1313 1314 // Dump methods whose expansion is a certain number of standard deviations from the mean 1315 dumped_values = 0; 1316 skipped_values = 0; 1317 for (size_t i = 10; i > 0; i--) { // i is the current number of standard deviations 1318 double cur_expansion_variance = i * i * expansion_variance; 1319 bool first = true; 1320 for (size_t j = 0; j < n; j++) { 1321 double cur_expansion = method_outlier_expansion[j]; 1322 if (cur_expansion > expansion_mean) { 1323 size_t cur_var = cur_expansion - expansion_mean; 1324 cur_var = cur_var * cur_var; 1325 if (cur_var > cur_expansion_variance) { 1326 if (dumped_values > 20) { 1327 if (i == 1) { 1328 skipped_values++; 1329 } else { 1330 i = 2; // jump to counting for 1 standard deviation 1331 break; 1332 } 1333 } else { 1334 if (first) { 1335 os << "\nLarge expansion methods (size > " << i 1336 << " standard deviations the norm):\n"; 1337 first = false; 1338 } 1339 os << PrettyMethod(method_outlier[j]) << " expanded code by " 1340 << cur_expansion << "\n"; 1341 method_outlier_expansion[j] = 0.0; // don't consider this method again 1342 dumped_values++; 1343 } 1344 } 1345 } 1346 } 1347 } 1348 if (skipped_values > 0) { 1349 os << "... skipped " << skipped_values 1350 << " methods with expansion > 1 standard deviation from the norm\n"; 1351 } 1352 os << "\n" << std::flush; 1353 } 1354 1355 void Dump(std::ostream& os) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1356 { 1357 os << "art_file_bytes = " << PrettySize(file_bytes) << "\n\n" 1358 << "art_file_bytes = header_bytes + object_bytes + alignment_bytes\n"; 1359 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 1360 std::ostream indent_os(&indent_filter); 1361 indent_os << StringPrintf("header_bytes = %8zd (%2.0f%% of art file bytes)\n" 1362 "object_bytes = %8zd (%2.0f%% of art file bytes)\n" 1363 "bitmap_bytes = %8zd (%2.0f%% of art file bytes)\n" 1364 "alignment_bytes = %8zd (%2.0f%% of art file bytes)\n\n", 1365 header_bytes, PercentOfFileBytes(header_bytes), 1366 object_bytes, PercentOfFileBytes(object_bytes), 1367 bitmap_bytes, PercentOfFileBytes(bitmap_bytes), 1368 alignment_bytes, PercentOfFileBytes(alignment_bytes)) 1369 << std::flush; 1370 CHECK_EQ(file_bytes, bitmap_bytes + header_bytes + object_bytes + alignment_bytes); 1371 } 1372 1373 os << "object_bytes breakdown:\n"; 1374 size_t object_bytes_total = 0; 1375 for (const auto& sizes_and_count : sizes_and_counts) { 1376 const std::string& descriptor(sizes_and_count.first); 1377 double average = static_cast<double>(sizes_and_count.second.bytes) / 1378 static_cast<double>(sizes_and_count.second.count); 1379 double percent = PercentOfObjectBytes(sizes_and_count.second.bytes); 1380 os << StringPrintf("%32s %8zd bytes %6zd instances " 1381 "(%4.0f bytes/instance) %2.0f%% of object_bytes\n", 1382 descriptor.c_str(), sizes_and_count.second.bytes, 1383 sizes_and_count.second.count, average, percent); 1384 object_bytes_total += sizes_and_count.second.bytes; 1385 } 1386 os << "\n" << std::flush; 1387 CHECK_EQ(object_bytes, object_bytes_total); 1388 1389 os << StringPrintf("oat_file_bytes = %8zd\n" 1390 "managed_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1391 "managed_to_native_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1392 "native_to_managed_code_bytes = %8zd (%2.0f%% of oat file bytes)\n\n" 1393 "class_initializer_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1394 "large_initializer_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1395 "large_method_code_bytes = %8zd (%2.0f%% of oat file bytes)\n\n", 1396 oat_file_bytes, 1397 managed_code_bytes, 1398 PercentOfOatBytes(managed_code_bytes), 1399 managed_to_native_code_bytes, 1400 PercentOfOatBytes(managed_to_native_code_bytes), 1401 native_to_managed_code_bytes, 1402 PercentOfOatBytes(native_to_managed_code_bytes), 1403 class_initializer_code_bytes, 1404 PercentOfOatBytes(class_initializer_code_bytes), 1405 large_initializer_code_bytes, 1406 PercentOfOatBytes(large_initializer_code_bytes), 1407 large_method_code_bytes, 1408 PercentOfOatBytes(large_method_code_bytes)) 1409 << "DexFile sizes:\n"; 1410 for (const std::pair<std::string, size_t>& oat_dex_file_size : oat_dex_file_sizes) { 1411 os << StringPrintf("%s = %zd (%2.0f%% of oat file bytes)\n", 1412 oat_dex_file_size.first.c_str(), oat_dex_file_size.second, 1413 PercentOfOatBytes(oat_dex_file_size.second)); 1414 } 1415 1416 os << "\n" << StringPrintf("gc_map_bytes = %7zd (%2.0f%% of oat file bytes)\n" 1417 "pc_mapping_table_bytes = %7zd (%2.0f%% of oat file bytes)\n" 1418 "vmap_table_bytes = %7zd (%2.0f%% of oat file bytes)\n\n", 1419 gc_map_bytes, PercentOfOatBytes(gc_map_bytes), 1420 pc_mapping_table_bytes, PercentOfOatBytes(pc_mapping_table_bytes), 1421 vmap_table_bytes, PercentOfOatBytes(vmap_table_bytes)) 1422 << std::flush; 1423 1424 os << StringPrintf("dex_instruction_bytes = %zd\n", dex_instruction_bytes) 1425 << StringPrintf("managed_code_bytes expansion = %.2f (ignoring deduplication %.2f)\n\n", 1426 static_cast<double>(managed_code_bytes) / 1427 static_cast<double>(dex_instruction_bytes), 1428 static_cast<double>(managed_code_bytes_ignoring_deduplication) / 1429 static_cast<double>(dex_instruction_bytes)) 1430 << std::flush; 1431 1432 DumpOutliers(os); 1433 } 1434 } stats_; 1435 1436 private: 1437 enum { 1438 // Number of bytes for a constructor to be considered large. Based on the 1000 basic block 1439 // threshold, we assume 2 bytes per instruction and 2 instructions per block. 1440 kLargeConstructorDexBytes = 4000, 1441 // Number of bytes for a method to be considered large. Based on the 4000 basic block 1442 // threshold, we assume 2 bytes per instruction and 2 instructions per block. 1443 kLargeMethodDexBytes = 16000 1444 }; 1445 std::unique_ptr<OatDumper> oat_dumper_; 1446 std::ostream* os_; 1447 gc::space::ImageSpace& image_space_; 1448 const ImageHeader& image_header_; 1449 bool dump_raw_mapping_table_; 1450 bool dump_raw_gc_map_; 1451 1452 DISALLOW_COPY_AND_ASSIGN(ImageDumper); 1453}; 1454 1455static int oatdump(int argc, char** argv) { 1456 InitLogging(argv); 1457 1458 // Skip over argv[0]. 1459 argv++; 1460 argc--; 1461 1462 if (argc == 0) { 1463 fprintf(stderr, "No arguments specified\n"); 1464 usage(); 1465 } 1466 1467 const char* oat_filename = NULL; 1468 const char* image_location = NULL; 1469 const char* boot_image_location = NULL; 1470 InstructionSet instruction_set = kRuntimeISA; 1471 std::string elf_filename_prefix; 1472 std::ostream* os = &std::cout; 1473 std::unique_ptr<std::ofstream> out; 1474 bool dump_raw_mapping_table = false; 1475 bool dump_raw_gc_map = false; 1476 1477 for (int i = 0; i < argc; i++) { 1478 const StringPiece option(argv[i]); 1479 if (option.starts_with("--oat-file=")) { 1480 oat_filename = option.substr(strlen("--oat-file=")).data(); 1481 } else if (option.starts_with("--image=")) { 1482 image_location = option.substr(strlen("--image=")).data(); 1483 } else if (option.starts_with("--boot-image=")) { 1484 boot_image_location = option.substr(strlen("--boot-image=")).data(); 1485 } else if (option.starts_with("--instruction-set=")) { 1486 StringPiece instruction_set_str = option.substr(strlen("--instruction-set=")).data(); 1487 if (instruction_set_str == "arm") { 1488 instruction_set = kThumb2; 1489 } else if (instruction_set_str == "arm64") { 1490 instruction_set = kArm64; 1491 } else if (instruction_set_str == "mips") { 1492 instruction_set = kMips; 1493 } else if (instruction_set_str == "x86") { 1494 instruction_set = kX86; 1495 } else if (instruction_set_str == "x86_64") { 1496 instruction_set = kX86_64; 1497 } 1498 } else if (option.starts_with("--dump:")) { 1499 if (option == "--dump:raw_mapping_table") { 1500 dump_raw_mapping_table = true; 1501 } else if (option == "--dump:raw_gc_map") { 1502 dump_raw_gc_map = true; 1503 } else { 1504 fprintf(stderr, "Unknown argument %s\n", option.data()); 1505 usage(); 1506 } 1507 } else if (option.starts_with("--output=")) { 1508 const char* filename = option.substr(strlen("--output=")).data(); 1509 out.reset(new std::ofstream(filename)); 1510 if (!out->good()) { 1511 fprintf(stderr, "Failed to open output filename %s\n", filename); 1512 usage(); 1513 } 1514 os = out.get(); 1515 } else { 1516 fprintf(stderr, "Unknown argument %s\n", option.data()); 1517 usage(); 1518 } 1519 } 1520 1521 if (image_location == NULL && oat_filename == NULL) { 1522 fprintf(stderr, "Either --image or --oat must be specified\n"); 1523 return EXIT_FAILURE; 1524 } 1525 1526 if (image_location != NULL && oat_filename != NULL) { 1527 fprintf(stderr, "Either --image or --oat must be specified but not both\n"); 1528 return EXIT_FAILURE; 1529 } 1530 1531 if (oat_filename != NULL) { 1532 std::string error_msg; 1533 OatFile* oat_file = 1534 OatFile::Open(oat_filename, oat_filename, NULL, false, &error_msg); 1535 if (oat_file == NULL) { 1536 fprintf(stderr, "Failed to open oat file from '%s': %s\n", oat_filename, error_msg.c_str()); 1537 return EXIT_FAILURE; 1538 } 1539 OatDumper oat_dumper(*oat_file, dump_raw_mapping_table, dump_raw_gc_map); 1540 oat_dumper.Dump(*os); 1541 return EXIT_SUCCESS; 1542 } 1543 1544 Runtime::Options options; 1545 std::string image_option; 1546 std::string oat_option; 1547 std::string boot_image_option; 1548 std::string boot_oat_option; 1549 1550 // We are more like a compiler than a run-time. We don't want to execute code. 1551 NoopCompilerCallbacks callbacks; 1552 options.push_back(std::make_pair("compilercallbacks", &callbacks)); 1553 1554 if (boot_image_location != NULL) { 1555 boot_image_option += "-Ximage:"; 1556 boot_image_option += boot_image_location; 1557 options.push_back(std::make_pair(boot_image_option.c_str(), reinterpret_cast<void*>(NULL))); 1558 } 1559 if (image_location != NULL) { 1560 image_option += "-Ximage:"; 1561 image_option += image_location; 1562 options.push_back(std::make_pair(image_option.c_str(), reinterpret_cast<void*>(NULL))); 1563 } 1564 options.push_back( 1565 std::make_pair("imageinstructionset", 1566 reinterpret_cast<const void*>(GetInstructionSetString(instruction_set)))); 1567 1568 if (!Runtime::Create(options, false)) { 1569 fprintf(stderr, "Failed to create runtime\n"); 1570 return EXIT_FAILURE; 1571 } 1572 std::unique_ptr<Runtime> runtime(Runtime::Current()); 1573 // Runtime::Create acquired the mutator_lock_ that is normally given away when we Runtime::Start, 1574 // give it away now and then switch to a more manageable ScopedObjectAccess. 1575 Thread::Current()->TransitionFromRunnableToSuspended(kNative); 1576 ScopedObjectAccess soa(Thread::Current()); 1577 gc::Heap* heap = Runtime::Current()->GetHeap(); 1578 gc::space::ImageSpace* image_space = heap->GetImageSpace(); 1579 CHECK(image_space != NULL); 1580 const ImageHeader& image_header = image_space->GetImageHeader(); 1581 if (!image_header.IsValid()) { 1582 fprintf(stderr, "Invalid image header %s\n", image_location); 1583 return EXIT_FAILURE; 1584 } 1585 ImageDumper image_dumper(os, *image_space, image_header, 1586 dump_raw_mapping_table, dump_raw_gc_map); 1587 image_dumper.Dump(); 1588 return EXIT_SUCCESS; 1589} 1590 1591} // namespace art 1592 1593int main(int argc, char** argv) { 1594 return art::oatdump(argc, argv); 1595} 1596