oatdump.cc revision 0cd81352a7c06e381951cea1b104fd73516f4341
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::ostream indent1_os(&indent1_filter); 368 { 369 indent1_os << "DEX CODE:\n"; 370 Indenter indent2_filter(indent1_os.rdbuf(), kIndentChar, kIndentBy1Count); 371 std::ostream indent2_os(&indent2_filter); 372 DumpDexCode(indent2_os, dex_file, code_item); 373 } 374 if (Runtime::Current() != NULL) { 375 indent1_os << "VERIFIER TYPE ANALYSIS:\n"; 376 Indenter indent2_filter(indent1_os.rdbuf(), kIndentChar, kIndentBy1Count); 377 std::ostream indent2_os(&indent2_filter); 378 DumpVerifier(indent2_os, dex_method_idx, &dex_file, class_def, code_item, 379 method_access_flags); 380 } 381 { 382 indent1_os << "OAT DATA:\n"; 383 Indenter indent2_filter(indent1_os.rdbuf(), kIndentChar, kIndentBy1Count); 384 std::ostream indent2_os(&indent2_filter); 385 386 indent2_os << StringPrintf("frame_size_in_bytes: %zd\n", oat_method.GetFrameSizeInBytes()); 387 indent2_os << StringPrintf("core_spill_mask: 0x%08x ", oat_method.GetCoreSpillMask()); 388 DumpSpillMask(indent2_os, oat_method.GetCoreSpillMask(), false); 389 indent2_os << StringPrintf("\nfp_spill_mask: 0x%08x ", oat_method.GetFpSpillMask()); 390 DumpSpillMask(indent2_os, oat_method.GetFpSpillMask(), true); 391 indent2_os << StringPrintf("\nvmap_table: %p (offset=0x%08x)\n", 392 oat_method.GetVmapTable(), oat_method.GetVmapTableOffset()); 393 DumpVmap(indent2_os, oat_method); 394 indent2_os << StringPrintf("mapping_table: %p (offset=0x%08x)\n", 395 oat_method.GetMappingTable(), oat_method.GetMappingTableOffset()); 396 if (dump_raw_mapping_table_) { 397 Indenter indent3_filter(indent2_os.rdbuf(), kIndentChar, kIndentBy1Count); 398 std::ostream indent3_os(&indent3_filter); 399 DumpMappingTable(indent3_os, oat_method); 400 } 401 indent2_os << StringPrintf("gc_map: %p (offset=0x%08x)\n", 402 oat_method.GetNativeGcMap(), oat_method.GetNativeGcMapOffset()); 403 if (dump_raw_gc_map_) { 404 Indenter indent3_filter(indent2_os.rdbuf(), kIndentChar, kIndentBy1Count); 405 std::ostream indent3_os(&indent3_filter); 406 DumpGcMap(indent3_os, oat_method, code_item); 407 } 408 } 409 { 410 const void* code = oat_method.GetQuickCode(); 411 uint32_t code_size = oat_method.GetQuickCodeSize(); 412 if (code == nullptr) { 413 code = oat_method.GetPortableCode(); 414 code_size = oat_method.GetPortableCodeSize(); 415 } 416 indent1_os << StringPrintf("CODE: %p (offset=0x%08x size=%d)%s\n", 417 code, 418 oat_method.GetCodeOffset(), 419 code_size, 420 code != nullptr ? "..." : ""); 421 Indenter indent2_filter(indent1_os.rdbuf(), kIndentChar, kIndentBy1Count); 422 std::ostream indent2_os(&indent2_filter); 423 424 Runtime* runtime = Runtime::Current(); 425 if (runtime != nullptr) { 426 ScopedObjectAccess soa(Thread::Current()); 427 StackHandleScope<1> hs(soa.Self()); 428 Handle<mirror::DexCache> dex_cache( 429 hs.NewHandle(runtime->GetClassLinker()->FindDexCache(dex_file))); 430 NullHandle<mirror::ClassLoader> class_loader; 431 verifier::MethodVerifier verifier(&dex_file, &dex_cache, &class_loader, &class_def, 432 code_item, dex_method_idx, nullptr, method_access_flags, 433 true, true); 434 verifier.Verify(); 435 DumpCode(indent2_os, &verifier, oat_method, code_item); 436 } else { 437 DumpCode(indent2_os, nullptr, oat_method, code_item); 438 } 439 } 440 } 441 442 void DumpSpillMask(std::ostream& os, uint32_t spill_mask, bool is_float) { 443 if (spill_mask == 0) { 444 return; 445 } 446 os << "("; 447 for (size_t i = 0; i < 32; i++) { 448 if ((spill_mask & (1 << i)) != 0) { 449 if (is_float) { 450 os << "fr" << i; 451 } else { 452 os << "r" << i; 453 } 454 spill_mask ^= 1 << i; // clear bit 455 if (spill_mask != 0) { 456 os << ", "; 457 } else { 458 break; 459 } 460 } 461 } 462 os << ")"; 463 } 464 465 void DumpVmap(std::ostream& os, const OatFile::OatMethod& oat_method) { 466 const uint8_t* raw_table = oat_method.GetVmapTable(); 467 if (raw_table != NULL) { 468 const VmapTable vmap_table(raw_table); 469 bool first = true; 470 bool processing_fp = false; 471 uint32_t spill_mask = oat_method.GetCoreSpillMask(); 472 for (size_t i = 0; i < vmap_table.Size(); i++) { 473 uint16_t dex_reg = vmap_table[i]; 474 uint32_t cpu_reg = vmap_table.ComputeRegister(spill_mask, i, 475 processing_fp ? kFloatVReg : kIntVReg); 476 os << (first ? "v" : ", v") << dex_reg; 477 if (!processing_fp) { 478 os << "/r" << cpu_reg; 479 } else { 480 os << "/fr" << cpu_reg; 481 } 482 first = false; 483 if (!processing_fp && dex_reg == 0xFFFF) { 484 processing_fp = true; 485 spill_mask = oat_method.GetFpSpillMask(); 486 } 487 } 488 os << "\n"; 489 } 490 } 491 492 void DescribeVReg(std::ostream& os, const OatFile::OatMethod& oat_method, 493 const DexFile::CodeItem* code_item, size_t reg, VRegKind kind) { 494 const uint8_t* raw_table = oat_method.GetVmapTable(); 495 if (raw_table != NULL) { 496 const VmapTable vmap_table(raw_table); 497 uint32_t vmap_offset; 498 if (vmap_table.IsInContext(reg, kind, &vmap_offset)) { 499 bool is_float = (kind == kFloatVReg) || (kind == kDoubleLoVReg) || (kind == kDoubleHiVReg); 500 uint32_t spill_mask = is_float ? oat_method.GetFpSpillMask() 501 : oat_method.GetCoreSpillMask(); 502 os << (is_float ? "fr" : "r") << vmap_table.ComputeRegister(spill_mask, vmap_offset, kind); 503 } else { 504 uint32_t offset = StackVisitor::GetVRegOffset(code_item, oat_method.GetCoreSpillMask(), 505 oat_method.GetFpSpillMask(), 506 oat_method.GetFrameSizeInBytes(), reg, 507 GetInstructionSet()); 508 os << "[sp + #" << offset << "]"; 509 } 510 } 511 } 512 513 void DumpGcMapRegisters(std::ostream& os, const OatFile::OatMethod& oat_method, 514 const DexFile::CodeItem* code_item, 515 size_t num_regs, const uint8_t* reg_bitmap) { 516 bool first = true; 517 for (size_t reg = 0; reg < num_regs; reg++) { 518 if (((reg_bitmap[reg / 8] >> (reg % 8)) & 0x01) != 0) { 519 if (first) { 520 os << " v" << reg << " ("; 521 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 522 os << ")"; 523 first = false; 524 } else { 525 os << ", v" << reg << " ("; 526 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 527 os << ")"; 528 } 529 } 530 } 531 if (first) { 532 os << "No registers in GC map\n"; 533 } else { 534 os << "\n"; 535 } 536 } 537 void DumpGcMap(std::ostream& os, const OatFile::OatMethod& oat_method, 538 const DexFile::CodeItem* code_item) { 539 const uint8_t* gc_map_raw = oat_method.GetNativeGcMap(); 540 if (gc_map_raw == nullptr) { 541 return; // No GC map. 542 } 543 const void* quick_code = oat_method.GetQuickCode(); 544 if (quick_code != nullptr) { 545 NativePcOffsetToReferenceMap map(gc_map_raw); 546 for (size_t entry = 0; entry < map.NumEntries(); entry++) { 547 const uint8_t* native_pc = reinterpret_cast<const uint8_t*>(quick_code) + 548 map.GetNativePcOffset(entry); 549 os << StringPrintf("%p", native_pc); 550 DumpGcMapRegisters(os, oat_method, code_item, map.RegWidth() * 8, map.GetBitMap(entry)); 551 } 552 } else { 553 const void* portable_code = oat_method.GetPortableCode(); 554 CHECK(portable_code != nullptr); 555 verifier::DexPcToReferenceMap map(gc_map_raw); 556 for (size_t entry = 0; entry < map.NumEntries(); entry++) { 557 uint32_t dex_pc = map.GetDexPc(entry); 558 os << StringPrintf("0x%08x", dex_pc); 559 DumpGcMapRegisters(os, oat_method, code_item, map.RegWidth() * 8, map.GetBitMap(entry)); 560 } 561 } 562 } 563 564 void DumpMappingTable(std::ostream& os, const OatFile::OatMethod& oat_method) { 565 const void* quick_code = oat_method.GetQuickCode(); 566 if (quick_code == nullptr) { 567 return; 568 } 569 MappingTable table(oat_method.GetMappingTable()); 570 if (table.TotalSize() != 0) { 571 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 572 std::ostream indent_os(&indent_filter); 573 if (table.PcToDexSize() != 0) { 574 typedef MappingTable::PcToDexIterator It; 575 os << "suspend point mappings {\n"; 576 for (It cur = table.PcToDexBegin(), end = table.PcToDexEnd(); cur != end; ++cur) { 577 indent_os << StringPrintf("0x%04x -> 0x%04x\n", cur.NativePcOffset(), cur.DexPc()); 578 } 579 os << "}\n"; 580 } 581 if (table.DexToPcSize() != 0) { 582 typedef MappingTable::DexToPcIterator It; 583 os << "catch entry mappings {\n"; 584 for (It cur = table.DexToPcBegin(), end = table.DexToPcEnd(); cur != end; ++cur) { 585 indent_os << StringPrintf("0x%04x -> 0x%04x\n", cur.NativePcOffset(), cur.DexPc()); 586 } 587 os << "}\n"; 588 } 589 } 590 } 591 592 uint32_t DumpMappingAtOffset(std::ostream& os, const OatFile::OatMethod& oat_method, 593 size_t offset, bool suspend_point_mapping) { 594 MappingTable table(oat_method.GetMappingTable()); 595 if (suspend_point_mapping && table.PcToDexSize() > 0) { 596 typedef MappingTable::PcToDexIterator It; 597 for (It cur = table.PcToDexBegin(), end = table.PcToDexEnd(); cur != end; ++cur) { 598 if (offset == cur.NativePcOffset()) { 599 os << StringPrintf("suspend point dex PC: 0x%04x\n", cur.DexPc()); 600 return cur.DexPc(); 601 } 602 } 603 } else if (!suspend_point_mapping && table.DexToPcSize() > 0) { 604 typedef MappingTable::DexToPcIterator It; 605 for (It cur = table.DexToPcBegin(), end = table.DexToPcEnd(); cur != end; ++cur) { 606 if (offset == cur.NativePcOffset()) { 607 os << StringPrintf("catch entry dex PC: 0x%04x\n", cur.DexPc()); 608 return cur.DexPc(); 609 } 610 } 611 } 612 return DexFile::kDexNoIndex; 613 } 614 615 void DumpGcMapAtNativePcOffset(std::ostream& os, const OatFile::OatMethod& oat_method, 616 const DexFile::CodeItem* code_item, size_t native_pc_offset) { 617 const uint8_t* gc_map_raw = oat_method.GetNativeGcMap(); 618 if (gc_map_raw != NULL) { 619 NativePcOffsetToReferenceMap map(gc_map_raw); 620 if (map.HasEntry(native_pc_offset)) { 621 size_t num_regs = map.RegWidth() * 8; 622 const uint8_t* reg_bitmap = map.FindBitMap(native_pc_offset); 623 bool first = true; 624 for (size_t reg = 0; reg < num_regs; reg++) { 625 if (((reg_bitmap[reg / 8] >> (reg % 8)) & 0x01) != 0) { 626 if (first) { 627 os << "GC map objects: v" << reg << " ("; 628 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 629 os << ")"; 630 first = false; 631 } else { 632 os << ", v" << reg << " ("; 633 DescribeVReg(os, oat_method, code_item, reg, kReferenceVReg); 634 os << ")"; 635 } 636 } 637 } 638 if (!first) { 639 os << "\n"; 640 } 641 } 642 } 643 } 644 645 void DumpVRegsAtDexPc(std::ostream& os, verifier::MethodVerifier* verifier, 646 const OatFile::OatMethod& oat_method, 647 const DexFile::CodeItem* code_item, uint32_t dex_pc) { 648 DCHECK(verifier != nullptr); 649 std::vector<int32_t> kinds = verifier->DescribeVRegs(dex_pc); 650 bool first = true; 651 for (size_t reg = 0; reg < code_item->registers_size_; reg++) { 652 VRegKind kind = static_cast<VRegKind>(kinds.at(reg * 2)); 653 if (kind != kUndefined) { 654 if (first) { 655 os << "VRegs: v"; 656 first = false; 657 } else { 658 os << ", v"; 659 } 660 os << reg << " ("; 661 switch (kind) { 662 case kImpreciseConstant: 663 os << "Imprecise Constant: " << kinds.at((reg * 2) + 1) << ", "; 664 DescribeVReg(os, oat_method, code_item, reg, kind); 665 break; 666 case kConstant: 667 os << "Constant: " << kinds.at((reg * 2) + 1); 668 break; 669 default: 670 DescribeVReg(os, oat_method, code_item, reg, kind); 671 break; 672 } 673 os << ")"; 674 } 675 } 676 if (!first) { 677 os << "\n"; 678 } 679 } 680 681 682 void DumpDexCode(std::ostream& os, const DexFile& dex_file, const DexFile::CodeItem* code_item) { 683 if (code_item != NULL) { 684 size_t i = 0; 685 while (i < code_item->insns_size_in_code_units_) { 686 const Instruction* instruction = Instruction::At(&code_item->insns_[i]); 687 os << StringPrintf("0x%04zx: %s\n", i, instruction->DumpString(&dex_file).c_str()); 688 i += instruction->SizeInCodeUnits(); 689 } 690 } 691 } 692 693 void DumpVerifier(std::ostream& os, uint32_t dex_method_idx, const DexFile* dex_file, 694 const DexFile::ClassDef& class_def, const DexFile::CodeItem* code_item, 695 uint32_t method_access_flags) { 696 if ((method_access_flags & kAccNative) == 0) { 697 ScopedObjectAccess soa(Thread::Current()); 698 StackHandleScope<2> hs(soa.Self()); 699 Handle<mirror::DexCache> dex_cache( 700 hs.NewHandle(Runtime::Current()->GetClassLinker()->FindDexCache(*dex_file))); 701 auto class_loader(hs.NewHandle<mirror::ClassLoader>(nullptr)); 702 verifier::MethodVerifier::VerifyMethodAndDump(os, dex_method_idx, dex_file, dex_cache, 703 class_loader, &class_def, code_item, nullptr, 704 method_access_flags); 705 } 706 } 707 708 void DumpCode(std::ostream& os, verifier::MethodVerifier* verifier, 709 const OatFile::OatMethod& oat_method, const DexFile::CodeItem* code_item) { 710 const void* portable_code = oat_method.GetPortableCode(); 711 const void* quick_code = oat_method.GetQuickCode(); 712 713 size_t code_size = oat_method.GetQuickCodeSize(); 714 if ((code_size == 0) || ((portable_code == nullptr) && (quick_code == nullptr))) { 715 os << "NO CODE!\n"; 716 return; 717 } else if (quick_code != nullptr) { 718 const uint8_t* quick_native_pc = reinterpret_cast<const uint8_t*>(quick_code); 719 size_t offset = 0; 720 while (offset < code_size) { 721 DumpMappingAtOffset(os, oat_method, offset, false); 722 offset += disassembler_->Dump(os, quick_native_pc + offset); 723 uint32_t dex_pc = DumpMappingAtOffset(os, oat_method, offset, true); 724 if (dex_pc != DexFile::kDexNoIndex) { 725 DumpGcMapAtNativePcOffset(os, oat_method, code_item, offset); 726 if (verifier != nullptr) { 727 DumpVRegsAtDexPc(os, verifier, oat_method, code_item, dex_pc); 728 } 729 } 730 } 731 } else { 732 CHECK(portable_code != nullptr); 733 CHECK_EQ(code_size, 0U); // TODO: disassembly of portable is currently not supported. 734 } 735 } 736 737 const OatFile& oat_file_; 738 std::vector<const OatFile::OatDexFile*> oat_dex_files_; 739 bool dump_raw_mapping_table_; 740 bool dump_raw_gc_map_; 741 std::set<uintptr_t> offsets_; 742 std::unique_ptr<Disassembler> disassembler_; 743}; 744 745class ImageDumper { 746 public: 747 explicit ImageDumper(std::ostream* os, gc::space::ImageSpace& image_space, 748 const ImageHeader& image_header, bool dump_raw_mapping_table, 749 bool dump_raw_gc_map) 750 : os_(os), image_space_(image_space), image_header_(image_header), 751 dump_raw_mapping_table_(dump_raw_mapping_table), 752 dump_raw_gc_map_(dump_raw_gc_map) {} 753 754 void Dump() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 755 std::ostream& os = *os_; 756 os << "MAGIC: " << image_header_.GetMagic() << "\n\n"; 757 758 os << "IMAGE BEGIN: " << reinterpret_cast<void*>(image_header_.GetImageBegin()) << "\n\n"; 759 760 os << "IMAGE BITMAP OFFSET: " << reinterpret_cast<void*>(image_header_.GetImageBitmapOffset()) 761 << " SIZE: " << reinterpret_cast<void*>(image_header_.GetImageBitmapSize()) << "\n\n"; 762 763 os << "OAT CHECKSUM: " << StringPrintf("0x%08x\n\n", image_header_.GetOatChecksum()); 764 765 os << "OAT FILE BEGIN:" << reinterpret_cast<void*>(image_header_.GetOatFileBegin()) << "\n\n"; 766 767 os << "OAT DATA BEGIN:" << reinterpret_cast<void*>(image_header_.GetOatDataBegin()) << "\n\n"; 768 769 os << "OAT DATA END:" << reinterpret_cast<void*>(image_header_.GetOatDataEnd()) << "\n\n"; 770 771 os << "OAT FILE END:" << reinterpret_cast<void*>(image_header_.GetOatFileEnd()) << "\n\n"; 772 773 { 774 os << "ROOTS: " << reinterpret_cast<void*>(image_header_.GetImageRoots()) << "\n"; 775 Indenter indent1_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 776 std::ostream indent1_os(&indent1_filter); 777 CHECK_EQ(arraysize(image_roots_descriptions_), size_t(ImageHeader::kImageRootsMax)); 778 for (int i = 0; i < ImageHeader::kImageRootsMax; i++) { 779 ImageHeader::ImageRoot image_root = static_cast<ImageHeader::ImageRoot>(i); 780 const char* image_root_description = image_roots_descriptions_[i]; 781 mirror::Object* image_root_object = image_header_.GetImageRoot(image_root); 782 indent1_os << StringPrintf("%s: %p\n", image_root_description, image_root_object); 783 if (image_root_object->IsObjectArray()) { 784 Indenter indent2_filter(indent1_os.rdbuf(), kIndentChar, kIndentBy1Count); 785 std::ostream indent2_os(&indent2_filter); 786 mirror::ObjectArray<mirror::Object>* image_root_object_array 787 = image_root_object->AsObjectArray<mirror::Object>(); 788 for (int i = 0; i < image_root_object_array->GetLength(); i++) { 789 mirror::Object* value = image_root_object_array->Get(i); 790 size_t run = 0; 791 for (int32_t j = i + 1; j < image_root_object_array->GetLength(); j++) { 792 if (value == image_root_object_array->Get(j)) { 793 run++; 794 } else { 795 break; 796 } 797 } 798 if (run == 0) { 799 indent2_os << StringPrintf("%d: ", i); 800 } else { 801 indent2_os << StringPrintf("%d to %zd: ", i, i + run); 802 i = i + run; 803 } 804 if (value != NULL) { 805 PrettyObjectValue(indent2_os, value->GetClass(), value); 806 } else { 807 indent2_os << i << ": null\n"; 808 } 809 } 810 } 811 } 812 } 813 os << "\n"; 814 815 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 816 std::string image_filename = image_space_.GetImageFilename(); 817 std::string oat_location = ImageHeader::GetOatLocationFromImageLocation(image_filename); 818 os << "OAT LOCATION: " << oat_location; 819 os << "\n"; 820 std::string error_msg; 821 const OatFile* oat_file = class_linker->FindOatFileFromOatLocation(oat_location, &error_msg); 822 if (oat_file == NULL) { 823 os << "NOT FOUND: " << error_msg << "\n"; 824 return; 825 } 826 os << "\n"; 827 828 stats_.oat_file_bytes = oat_file->Size(); 829 830 oat_dumper_.reset(new OatDumper(*oat_file, dump_raw_mapping_table_, 831 dump_raw_gc_map_)); 832 833 for (const OatFile::OatDexFile* oat_dex_file : oat_file->GetOatDexFiles()) { 834 CHECK(oat_dex_file != NULL); 835 stats_.oat_dex_file_sizes.push_back(std::make_pair(oat_dex_file->GetDexFileLocation(), 836 oat_dex_file->FileSize())); 837 } 838 839 os << "OBJECTS:\n" << std::flush; 840 841 // Loop through all the image spaces and dump their objects. 842 gc::Heap* heap = Runtime::Current()->GetHeap(); 843 const std::vector<gc::space::ContinuousSpace*>& spaces = heap->GetContinuousSpaces(); 844 Thread* self = Thread::Current(); 845 { 846 { 847 WriterMutexLock mu(self, *Locks::heap_bitmap_lock_); 848 heap->FlushAllocStack(); 849 } 850 // Since FlushAllocStack() above resets the (active) allocation 851 // stack. Need to revoke the thread-local allocation stacks that 852 // point into it. 853 { 854 self->TransitionFromRunnableToSuspended(kNative); 855 ThreadList* thread_list = Runtime::Current()->GetThreadList(); 856 thread_list->SuspendAll(); 857 heap->RevokeAllThreadLocalAllocationStacks(self); 858 thread_list->ResumeAll(); 859 self->TransitionFromSuspendedToRunnable(); 860 } 861 } 862 { 863 std::ostream* saved_os = os_; 864 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 865 std::ostream indent_os(&indent_filter); 866 os_ = &indent_os; 867 ReaderMutexLock mu(self, *Locks::heap_bitmap_lock_); 868 for (const auto& space : spaces) { 869 if (space->IsImageSpace()) { 870 gc::space::ImageSpace* image_space = space->AsImageSpace(); 871 image_space->GetLiveBitmap()->Walk(ImageDumper::Callback, this); 872 indent_os << "\n"; 873 } 874 } 875 // Dump the large objects separately. 876 heap->GetLargeObjectsSpace()->GetLiveBitmap()->Walk(ImageDumper::Callback, this); 877 indent_os << "\n"; 878 os_ = saved_os; 879 } 880 os << "STATS:\n" << std::flush; 881 std::unique_ptr<File> file(OS::OpenFileForReading(image_filename.c_str())); 882 if (file.get() == NULL) { 883 LOG(WARNING) << "Failed to find image in " << image_filename; 884 } 885 if (file.get() != NULL) { 886 stats_.file_bytes = file->GetLength(); 887 } 888 size_t header_bytes = sizeof(ImageHeader); 889 stats_.header_bytes = header_bytes; 890 size_t alignment_bytes = RoundUp(header_bytes, kObjectAlignment) - header_bytes; 891 stats_.alignment_bytes += alignment_bytes; 892 stats_.alignment_bytes += image_header_.GetImageBitmapOffset() - image_header_.GetImageSize(); 893 stats_.bitmap_bytes += image_header_.GetImageBitmapSize(); 894 stats_.Dump(os); 895 os << "\n"; 896 897 os << std::flush; 898 899 oat_dumper_->Dump(os); 900 } 901 902 private: 903 static void PrettyObjectValue(std::ostream& os, mirror::Class* type, mirror::Object* value) 904 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 905 CHECK(type != NULL); 906 if (value == NULL) { 907 os << StringPrintf("null %s\n", PrettyDescriptor(type).c_str()); 908 } else if (type->IsStringClass()) { 909 mirror::String* string = value->AsString(); 910 os << StringPrintf("%p String: %s\n", string, 911 PrintableString(string->ToModifiedUtf8()).c_str()); 912 } else if (type->IsClassClass()) { 913 mirror::Class* klass = value->AsClass(); 914 os << StringPrintf("%p Class: %s\n", klass, PrettyDescriptor(klass).c_str()); 915 } else if (type->IsArtFieldClass()) { 916 mirror::ArtField* field = value->AsArtField(); 917 os << StringPrintf("%p Field: %s\n", field, PrettyField(field).c_str()); 918 } else if (type->IsArtMethodClass()) { 919 mirror::ArtMethod* method = value->AsArtMethod(); 920 os << StringPrintf("%p Method: %s\n", method, PrettyMethod(method).c_str()); 921 } else { 922 os << StringPrintf("%p %s\n", value, PrettyDescriptor(type).c_str()); 923 } 924 } 925 926 static void PrintField(std::ostream& os, mirror::ArtField* field, mirror::Object* obj) 927 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 928 FieldHelper fh(field); 929 const char* descriptor = fh.GetTypeDescriptor(); 930 os << StringPrintf("%s: ", fh.GetName()); 931 if (descriptor[0] != 'L' && descriptor[0] != '[') { 932 mirror::Class* type = fh.GetType(); 933 if (type->IsPrimitiveLong()) { 934 os << StringPrintf("%" PRId64 " (0x%" PRIx64 ")\n", field->Get64(obj), field->Get64(obj)); 935 } else if (type->IsPrimitiveDouble()) { 936 os << StringPrintf("%f (%a)\n", field->GetDouble(obj), field->GetDouble(obj)); 937 } else if (type->IsPrimitiveFloat()) { 938 os << StringPrintf("%f (%a)\n", field->GetFloat(obj), field->GetFloat(obj)); 939 } else { 940 DCHECK(type->IsPrimitive()); 941 os << StringPrintf("%d (0x%x)\n", field->Get32(obj), field->Get32(obj)); 942 } 943 } else { 944 // Get the value, don't compute the type unless it is non-null as we don't want 945 // to cause class loading. 946 mirror::Object* value = field->GetObj(obj); 947 if (value == NULL) { 948 os << StringPrintf("null %s\n", PrettyDescriptor(descriptor).c_str()); 949 } else { 950 // Grab the field type without causing resolution. 951 mirror::Class* field_type = fh.GetType(false); 952 if (field_type != NULL) { 953 PrettyObjectValue(os, field_type, value); 954 } else { 955 os << StringPrintf("%p %s\n", value, PrettyDescriptor(descriptor).c_str()); 956 } 957 } 958 } 959 } 960 961 static void DumpFields(std::ostream& os, mirror::Object* obj, mirror::Class* klass) 962 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 963 mirror::Class* super = klass->GetSuperClass(); 964 if (super != NULL) { 965 DumpFields(os, obj, super); 966 } 967 mirror::ObjectArray<mirror::ArtField>* fields = klass->GetIFields(); 968 if (fields != NULL) { 969 for (int32_t i = 0; i < fields->GetLength(); i++) { 970 mirror::ArtField* field = fields->Get(i); 971 PrintField(os, field, obj); 972 } 973 } 974 } 975 976 bool InDumpSpace(const mirror::Object* object) { 977 return image_space_.Contains(object); 978 } 979 980 const void* GetQuickOatCodeBegin(mirror::ArtMethod* m) 981 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 982 const void* quick_code = m->GetEntryPointFromQuickCompiledCode(); 983 if (quick_code == GetQuickResolutionTrampoline(Runtime::Current()->GetClassLinker())) { 984 quick_code = oat_dumper_->GetQuickOatCode(m); 985 } 986 if (oat_dumper_->GetInstructionSet() == kThumb2) { 987 quick_code = reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(quick_code) & ~0x1); 988 } 989 return quick_code; 990 } 991 992 uint32_t GetQuickOatCodeSize(mirror::ArtMethod* m) 993 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 994 const uint32_t* oat_code_begin = reinterpret_cast<const uint32_t*>(GetQuickOatCodeBegin(m)); 995 if (oat_code_begin == nullptr) { 996 return 0; 997 } 998 return oat_code_begin[-1]; 999 } 1000 1001 const void* GetQuickOatCodeEnd(mirror::ArtMethod* m) 1002 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1003 const uint8_t* oat_code_begin = reinterpret_cast<const uint8_t*>(GetQuickOatCodeBegin(m)); 1004 if (oat_code_begin == NULL) { 1005 return NULL; 1006 } 1007 return oat_code_begin + GetQuickOatCodeSize(m); 1008 } 1009 1010 static void Callback(mirror::Object* obj, void* arg) 1011 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1012 DCHECK(obj != NULL); 1013 DCHECK(arg != NULL); 1014 ImageDumper* state = reinterpret_cast<ImageDumper*>(arg); 1015 if (!state->InDumpSpace(obj)) { 1016 return; 1017 } 1018 1019 size_t object_bytes = obj->SizeOf(); 1020 size_t alignment_bytes = RoundUp(object_bytes, kObjectAlignment) - object_bytes; 1021 state->stats_.object_bytes += object_bytes; 1022 state->stats_.alignment_bytes += alignment_bytes; 1023 1024 std::ostream& os = *state->os_; 1025 mirror::Class* obj_class = obj->GetClass(); 1026 if (obj_class->IsArrayClass()) { 1027 os << StringPrintf("%p: %s length:%d\n", obj, PrettyDescriptor(obj_class).c_str(), 1028 obj->AsArray()->GetLength()); 1029 } else if (obj->IsClass()) { 1030 mirror::Class* klass = obj->AsClass(); 1031 os << StringPrintf("%p: java.lang.Class \"%s\" (", obj, PrettyDescriptor(klass).c_str()) 1032 << klass->GetStatus() << ")\n"; 1033 } else if (obj->IsArtField()) { 1034 os << StringPrintf("%p: java.lang.reflect.ArtField %s\n", obj, 1035 PrettyField(obj->AsArtField()).c_str()); 1036 } else if (obj->IsArtMethod()) { 1037 os << StringPrintf("%p: java.lang.reflect.ArtMethod %s\n", obj, 1038 PrettyMethod(obj->AsArtMethod()).c_str()); 1039 } else if (obj_class->IsStringClass()) { 1040 os << StringPrintf("%p: java.lang.String %s\n", obj, 1041 PrintableString(obj->AsString()->ToModifiedUtf8()).c_str()); 1042 } else { 1043 os << StringPrintf("%p: %s\n", obj, PrettyDescriptor(obj_class).c_str()); 1044 } 1045 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 1046 std::ostream indent_os(&indent_filter); 1047 DumpFields(indent_os, obj, obj_class); 1048 if (obj->IsObjectArray()) { 1049 mirror::ObjectArray<mirror::Object>* obj_array = obj->AsObjectArray<mirror::Object>(); 1050 int32_t length = obj_array->GetLength(); 1051 for (int32_t i = 0; i < length; i++) { 1052 mirror::Object* value = obj_array->Get(i); 1053 size_t run = 0; 1054 for (int32_t j = i + 1; j < length; j++) { 1055 if (value == obj_array->Get(j)) { 1056 run++; 1057 } else { 1058 break; 1059 } 1060 } 1061 if (run == 0) { 1062 indent_os << StringPrintf("%d: ", i); 1063 } else { 1064 indent_os << StringPrintf("%d to %zd: ", i, i + run); 1065 i = i + run; 1066 } 1067 mirror::Class* value_class = 1068 (value == NULL) ? obj_class->GetComponentType() : value->GetClass(); 1069 PrettyObjectValue(indent_os, value_class, value); 1070 } 1071 } else if (obj->IsClass()) { 1072 mirror::ObjectArray<mirror::ArtField>* sfields = obj->AsClass()->GetSFields(); 1073 if (sfields != NULL) { 1074 indent_os << "STATICS:\n"; 1075 Indenter indent2_filter(indent_os.rdbuf(), kIndentChar, kIndentBy1Count); 1076 std::ostream indent2_os(&indent2_filter); 1077 for (int32_t i = 0; i < sfields->GetLength(); i++) { 1078 mirror::ArtField* field = sfields->Get(i); 1079 PrintField(indent2_os, field, field->GetDeclaringClass()); 1080 } 1081 } 1082 } else if (obj->IsArtMethod()) { 1083 mirror::ArtMethod* method = obj->AsArtMethod(); 1084 if (method->IsNative()) { 1085 // TODO: portable dumping. 1086 DCHECK(method->GetNativeGcMap() == nullptr) << PrettyMethod(method); 1087 DCHECK(method->GetMappingTable() == nullptr) << PrettyMethod(method); 1088 bool first_occurrence; 1089 const void* quick_oat_code = state->GetQuickOatCodeBegin(method); 1090 uint32_t quick_oat_code_size = state->GetQuickOatCodeSize(method); 1091 state->ComputeOatSize(quick_oat_code, &first_occurrence); 1092 if (first_occurrence) { 1093 state->stats_.native_to_managed_code_bytes += quick_oat_code_size; 1094 } 1095 if (quick_oat_code != method->GetEntryPointFromQuickCompiledCode()) { 1096 indent_os << StringPrintf("OAT CODE: %p\n", quick_oat_code); 1097 } 1098 } else if (method->IsAbstract() || method->IsCalleeSaveMethod() || 1099 method->IsResolutionMethod() || method->IsImtConflictMethod() || 1100 MethodHelper(method).IsClassInitializer()) { 1101 DCHECK(method->GetNativeGcMap() == NULL) << PrettyMethod(method); 1102 DCHECK(method->GetMappingTable() == NULL) << PrettyMethod(method); 1103 } else { 1104 const DexFile::CodeItem* code_item = MethodHelper(method).GetCodeItem(); 1105 size_t dex_instruction_bytes = code_item->insns_size_in_code_units_ * 2; 1106 state->stats_.dex_instruction_bytes += dex_instruction_bytes; 1107 1108 bool first_occurrence; 1109 size_t gc_map_bytes = state->ComputeOatSize(method->GetNativeGcMap(), &first_occurrence); 1110 if (first_occurrence) { 1111 state->stats_.gc_map_bytes += gc_map_bytes; 1112 } 1113 1114 size_t pc_mapping_table_bytes = 1115 state->ComputeOatSize(method->GetMappingTable(), &first_occurrence); 1116 if (first_occurrence) { 1117 state->stats_.pc_mapping_table_bytes += pc_mapping_table_bytes; 1118 } 1119 1120 size_t vmap_table_bytes = 1121 state->ComputeOatSize(method->GetVmapTable(), &first_occurrence); 1122 if (first_occurrence) { 1123 state->stats_.vmap_table_bytes += vmap_table_bytes; 1124 } 1125 1126 // TODO: portable dumping. 1127 const void* quick_oat_code_begin = state->GetQuickOatCodeBegin(method); 1128 const void* quick_oat_code_end = state->GetQuickOatCodeEnd(method); 1129 uint32_t quick_oat_code_size = state->GetQuickOatCodeSize(method); 1130 state->ComputeOatSize(quick_oat_code_begin, &first_occurrence); 1131 if (first_occurrence) { 1132 state->stats_.managed_code_bytes += quick_oat_code_size; 1133 if (method->IsConstructor()) { 1134 if (method->IsStatic()) { 1135 state->stats_.class_initializer_code_bytes += quick_oat_code_size; 1136 } else if (dex_instruction_bytes > kLargeConstructorDexBytes) { 1137 state->stats_.large_initializer_code_bytes += quick_oat_code_size; 1138 } 1139 } else if (dex_instruction_bytes > kLargeMethodDexBytes) { 1140 state->stats_.large_method_code_bytes += quick_oat_code_size; 1141 } 1142 } 1143 state->stats_.managed_code_bytes_ignoring_deduplication += quick_oat_code_size; 1144 1145 indent_os << StringPrintf("OAT CODE: %p-%p\n", quick_oat_code_begin, quick_oat_code_end); 1146 indent_os << StringPrintf("SIZE: Dex Instructions=%zd GC=%zd Mapping=%zd\n", 1147 dex_instruction_bytes, gc_map_bytes, pc_mapping_table_bytes); 1148 1149 size_t total_size = dex_instruction_bytes + gc_map_bytes + pc_mapping_table_bytes + 1150 vmap_table_bytes + quick_oat_code_size + object_bytes; 1151 1152 double expansion = 1153 static_cast<double>(quick_oat_code_size) / static_cast<double>(dex_instruction_bytes); 1154 state->stats_.ComputeOutliers(total_size, expansion, method); 1155 } 1156 } 1157 state->stats_.Update(obj_class->GetDescriptor().c_str(), object_bytes); 1158 } 1159 1160 std::set<const void*> already_seen_; 1161 // Compute the size of the given data within the oat file and whether this is the first time 1162 // this data has been requested 1163 size_t ComputeOatSize(const void* oat_data, bool* first_occurrence) { 1164 if (already_seen_.count(oat_data) == 0) { 1165 *first_occurrence = true; 1166 already_seen_.insert(oat_data); 1167 } else { 1168 *first_occurrence = false; 1169 } 1170 return oat_dumper_->ComputeSize(oat_data); 1171 } 1172 1173 public: 1174 struct Stats { 1175 size_t oat_file_bytes; 1176 size_t file_bytes; 1177 1178 size_t header_bytes; 1179 size_t object_bytes; 1180 size_t bitmap_bytes; 1181 size_t alignment_bytes; 1182 1183 size_t managed_code_bytes; 1184 size_t managed_code_bytes_ignoring_deduplication; 1185 size_t managed_to_native_code_bytes; 1186 size_t native_to_managed_code_bytes; 1187 size_t class_initializer_code_bytes; 1188 size_t large_initializer_code_bytes; 1189 size_t large_method_code_bytes; 1190 1191 size_t gc_map_bytes; 1192 size_t pc_mapping_table_bytes; 1193 size_t vmap_table_bytes; 1194 1195 size_t dex_instruction_bytes; 1196 1197 std::vector<mirror::ArtMethod*> method_outlier; 1198 std::vector<size_t> method_outlier_size; 1199 std::vector<double> method_outlier_expansion; 1200 std::vector<std::pair<std::string, size_t>> oat_dex_file_sizes; 1201 1202 explicit Stats() 1203 : oat_file_bytes(0), 1204 file_bytes(0), 1205 header_bytes(0), 1206 object_bytes(0), 1207 bitmap_bytes(0), 1208 alignment_bytes(0), 1209 managed_code_bytes(0), 1210 managed_code_bytes_ignoring_deduplication(0), 1211 managed_to_native_code_bytes(0), 1212 native_to_managed_code_bytes(0), 1213 class_initializer_code_bytes(0), 1214 large_initializer_code_bytes(0), 1215 large_method_code_bytes(0), 1216 gc_map_bytes(0), 1217 pc_mapping_table_bytes(0), 1218 vmap_table_bytes(0), 1219 dex_instruction_bytes(0) {} 1220 1221 struct SizeAndCount { 1222 SizeAndCount(size_t bytes, size_t count) : bytes(bytes), count(count) {} 1223 size_t bytes; 1224 size_t count; 1225 }; 1226 typedef SafeMap<std::string, SizeAndCount> SizeAndCountTable; 1227 SizeAndCountTable sizes_and_counts; 1228 1229 void Update(const char* descriptor, size_t object_bytes) { 1230 SizeAndCountTable::iterator it = sizes_and_counts.find(descriptor); 1231 if (it != sizes_and_counts.end()) { 1232 it->second.bytes += object_bytes; 1233 it->second.count += 1; 1234 } else { 1235 sizes_and_counts.Put(descriptor, SizeAndCount(object_bytes, 1)); 1236 } 1237 } 1238 1239 double PercentOfOatBytes(size_t size) { 1240 return (static_cast<double>(size) / static_cast<double>(oat_file_bytes)) * 100; 1241 } 1242 1243 double PercentOfFileBytes(size_t size) { 1244 return (static_cast<double>(size) / static_cast<double>(file_bytes)) * 100; 1245 } 1246 1247 double PercentOfObjectBytes(size_t size) { 1248 return (static_cast<double>(size) / static_cast<double>(object_bytes)) * 100; 1249 } 1250 1251 void ComputeOutliers(size_t total_size, double expansion, mirror::ArtMethod* method) { 1252 method_outlier_size.push_back(total_size); 1253 method_outlier_expansion.push_back(expansion); 1254 method_outlier.push_back(method); 1255 } 1256 1257 void DumpOutliers(std::ostream& os) 1258 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1259 size_t sum_of_sizes = 0; 1260 size_t sum_of_sizes_squared = 0; 1261 size_t sum_of_expansion = 0; 1262 size_t sum_of_expansion_squared = 0; 1263 size_t n = method_outlier_size.size(); 1264 for (size_t i = 0; i < n; i++) { 1265 size_t cur_size = method_outlier_size[i]; 1266 sum_of_sizes += cur_size; 1267 sum_of_sizes_squared += cur_size * cur_size; 1268 double cur_expansion = method_outlier_expansion[i]; 1269 sum_of_expansion += cur_expansion; 1270 sum_of_expansion_squared += cur_expansion * cur_expansion; 1271 } 1272 size_t size_mean = sum_of_sizes / n; 1273 size_t size_variance = (sum_of_sizes_squared - sum_of_sizes * size_mean) / (n - 1); 1274 double expansion_mean = sum_of_expansion / n; 1275 double expansion_variance = 1276 (sum_of_expansion_squared - sum_of_expansion * expansion_mean) / (n - 1); 1277 1278 // Dump methods whose size is a certain number of standard deviations from the mean 1279 size_t dumped_values = 0; 1280 size_t skipped_values = 0; 1281 for (size_t i = 100; i > 0; i--) { // i is the current number of standard deviations 1282 size_t cur_size_variance = i * i * size_variance; 1283 bool first = true; 1284 for (size_t j = 0; j < n; j++) { 1285 size_t cur_size = method_outlier_size[j]; 1286 if (cur_size > size_mean) { 1287 size_t cur_var = cur_size - size_mean; 1288 cur_var = cur_var * cur_var; 1289 if (cur_var > cur_size_variance) { 1290 if (dumped_values > 20) { 1291 if (i == 1) { 1292 skipped_values++; 1293 } else { 1294 i = 2; // jump to counting for 1 standard deviation 1295 break; 1296 } 1297 } else { 1298 if (first) { 1299 os << "\nBig methods (size > " << i << " standard deviations the norm):\n"; 1300 first = false; 1301 } 1302 os << PrettyMethod(method_outlier[j]) << " requires storage of " 1303 << PrettySize(cur_size) << "\n"; 1304 method_outlier_size[j] = 0; // don't consider this method again 1305 dumped_values++; 1306 } 1307 } 1308 } 1309 } 1310 } 1311 if (skipped_values > 0) { 1312 os << "... skipped " << skipped_values 1313 << " methods with size > 1 standard deviation from the norm\n"; 1314 } 1315 os << std::flush; 1316 1317 // Dump methods whose expansion is a certain number of standard deviations from the mean 1318 dumped_values = 0; 1319 skipped_values = 0; 1320 for (size_t i = 10; i > 0; i--) { // i is the current number of standard deviations 1321 double cur_expansion_variance = i * i * expansion_variance; 1322 bool first = true; 1323 for (size_t j = 0; j < n; j++) { 1324 double cur_expansion = method_outlier_expansion[j]; 1325 if (cur_expansion > expansion_mean) { 1326 size_t cur_var = cur_expansion - expansion_mean; 1327 cur_var = cur_var * cur_var; 1328 if (cur_var > cur_expansion_variance) { 1329 if (dumped_values > 20) { 1330 if (i == 1) { 1331 skipped_values++; 1332 } else { 1333 i = 2; // jump to counting for 1 standard deviation 1334 break; 1335 } 1336 } else { 1337 if (first) { 1338 os << "\nLarge expansion methods (size > " << i 1339 << " standard deviations the norm):\n"; 1340 first = false; 1341 } 1342 os << PrettyMethod(method_outlier[j]) << " expanded code by " 1343 << cur_expansion << "\n"; 1344 method_outlier_expansion[j] = 0.0; // don't consider this method again 1345 dumped_values++; 1346 } 1347 } 1348 } 1349 } 1350 } 1351 if (skipped_values > 0) { 1352 os << "... skipped " << skipped_values 1353 << " methods with expansion > 1 standard deviation from the norm\n"; 1354 } 1355 os << "\n" << std::flush; 1356 } 1357 1358 void Dump(std::ostream& os) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1359 { 1360 os << "art_file_bytes = " << PrettySize(file_bytes) << "\n\n" 1361 << "art_file_bytes = header_bytes + object_bytes + alignment_bytes\n"; 1362 Indenter indent_filter(os.rdbuf(), kIndentChar, kIndentBy1Count); 1363 std::ostream indent_os(&indent_filter); 1364 indent_os << StringPrintf("header_bytes = %8zd (%2.0f%% of art file bytes)\n" 1365 "object_bytes = %8zd (%2.0f%% of art file bytes)\n" 1366 "bitmap_bytes = %8zd (%2.0f%% of art file bytes)\n" 1367 "alignment_bytes = %8zd (%2.0f%% of art file bytes)\n\n", 1368 header_bytes, PercentOfFileBytes(header_bytes), 1369 object_bytes, PercentOfFileBytes(object_bytes), 1370 bitmap_bytes, PercentOfFileBytes(bitmap_bytes), 1371 alignment_bytes, PercentOfFileBytes(alignment_bytes)) 1372 << std::flush; 1373 CHECK_EQ(file_bytes, bitmap_bytes + header_bytes + object_bytes + alignment_bytes); 1374 } 1375 1376 os << "object_bytes breakdown:\n"; 1377 size_t object_bytes_total = 0; 1378 for (const auto& sizes_and_count : sizes_and_counts) { 1379 const std::string& descriptor(sizes_and_count.first); 1380 double average = static_cast<double>(sizes_and_count.second.bytes) / 1381 static_cast<double>(sizes_and_count.second.count); 1382 double percent = PercentOfObjectBytes(sizes_and_count.second.bytes); 1383 os << StringPrintf("%32s %8zd bytes %6zd instances " 1384 "(%4.0f bytes/instance) %2.0f%% of object_bytes\n", 1385 descriptor.c_str(), sizes_and_count.second.bytes, 1386 sizes_and_count.second.count, average, percent); 1387 object_bytes_total += sizes_and_count.second.bytes; 1388 } 1389 os << "\n" << std::flush; 1390 CHECK_EQ(object_bytes, object_bytes_total); 1391 1392 os << StringPrintf("oat_file_bytes = %8zd\n" 1393 "managed_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1394 "managed_to_native_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1395 "native_to_managed_code_bytes = %8zd (%2.0f%% of oat file bytes)\n\n" 1396 "class_initializer_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1397 "large_initializer_code_bytes = %8zd (%2.0f%% of oat file bytes)\n" 1398 "large_method_code_bytes = %8zd (%2.0f%% of oat file bytes)\n\n", 1399 oat_file_bytes, 1400 managed_code_bytes, 1401 PercentOfOatBytes(managed_code_bytes), 1402 managed_to_native_code_bytes, 1403 PercentOfOatBytes(managed_to_native_code_bytes), 1404 native_to_managed_code_bytes, 1405 PercentOfOatBytes(native_to_managed_code_bytes), 1406 class_initializer_code_bytes, 1407 PercentOfOatBytes(class_initializer_code_bytes), 1408 large_initializer_code_bytes, 1409 PercentOfOatBytes(large_initializer_code_bytes), 1410 large_method_code_bytes, 1411 PercentOfOatBytes(large_method_code_bytes)) 1412 << "DexFile sizes:\n"; 1413 for (const std::pair<std::string, size_t>& oat_dex_file_size : oat_dex_file_sizes) { 1414 os << StringPrintf("%s = %zd (%2.0f%% of oat file bytes)\n", 1415 oat_dex_file_size.first.c_str(), oat_dex_file_size.second, 1416 PercentOfOatBytes(oat_dex_file_size.second)); 1417 } 1418 1419 os << "\n" << StringPrintf("gc_map_bytes = %7zd (%2.0f%% of oat file bytes)\n" 1420 "pc_mapping_table_bytes = %7zd (%2.0f%% of oat file bytes)\n" 1421 "vmap_table_bytes = %7zd (%2.0f%% of oat file bytes)\n\n", 1422 gc_map_bytes, PercentOfOatBytes(gc_map_bytes), 1423 pc_mapping_table_bytes, PercentOfOatBytes(pc_mapping_table_bytes), 1424 vmap_table_bytes, PercentOfOatBytes(vmap_table_bytes)) 1425 << std::flush; 1426 1427 os << StringPrintf("dex_instruction_bytes = %zd\n", dex_instruction_bytes) 1428 << StringPrintf("managed_code_bytes expansion = %.2f (ignoring deduplication %.2f)\n\n", 1429 static_cast<double>(managed_code_bytes) / 1430 static_cast<double>(dex_instruction_bytes), 1431 static_cast<double>(managed_code_bytes_ignoring_deduplication) / 1432 static_cast<double>(dex_instruction_bytes)) 1433 << std::flush; 1434 1435 DumpOutliers(os); 1436 } 1437 } stats_; 1438 1439 private: 1440 enum { 1441 // Number of bytes for a constructor to be considered large. Based on the 1000 basic block 1442 // threshold, we assume 2 bytes per instruction and 2 instructions per block. 1443 kLargeConstructorDexBytes = 4000, 1444 // Number of bytes for a method to be considered large. Based on the 4000 basic block 1445 // threshold, we assume 2 bytes per instruction and 2 instructions per block. 1446 kLargeMethodDexBytes = 16000 1447 }; 1448 std::unique_ptr<OatDumper> oat_dumper_; 1449 std::ostream* os_; 1450 gc::space::ImageSpace& image_space_; 1451 const ImageHeader& image_header_; 1452 bool dump_raw_mapping_table_; 1453 bool dump_raw_gc_map_; 1454 1455 DISALLOW_COPY_AND_ASSIGN(ImageDumper); 1456}; 1457 1458static int oatdump(int argc, char** argv) { 1459 InitLogging(argv); 1460 1461 // Skip over argv[0]. 1462 argv++; 1463 argc--; 1464 1465 if (argc == 0) { 1466 fprintf(stderr, "No arguments specified\n"); 1467 usage(); 1468 } 1469 1470 const char* oat_filename = NULL; 1471 const char* image_location = NULL; 1472 const char* boot_image_location = NULL; 1473 InstructionSet instruction_set = kRuntimeISA; 1474 std::string elf_filename_prefix; 1475 std::ostream* os = &std::cout; 1476 std::unique_ptr<std::ofstream> out; 1477 bool dump_raw_mapping_table = false; 1478 bool dump_raw_gc_map = false; 1479 1480 for (int i = 0; i < argc; i++) { 1481 const StringPiece option(argv[i]); 1482 if (option.starts_with("--oat-file=")) { 1483 oat_filename = option.substr(strlen("--oat-file=")).data(); 1484 } else if (option.starts_with("--image=")) { 1485 image_location = option.substr(strlen("--image=")).data(); 1486 } else if (option.starts_with("--boot-image=")) { 1487 boot_image_location = option.substr(strlen("--boot-image=")).data(); 1488 } else if (option.starts_with("--instruction-set=")) { 1489 StringPiece instruction_set_str = option.substr(strlen("--instruction-set=")).data(); 1490 if (instruction_set_str == "arm") { 1491 instruction_set = kThumb2; 1492 } else if (instruction_set_str == "arm64") { 1493 instruction_set = kArm64; 1494 } else if (instruction_set_str == "mips") { 1495 instruction_set = kMips; 1496 } else if (instruction_set_str == "x86") { 1497 instruction_set = kX86; 1498 } else if (instruction_set_str == "x86_64") { 1499 instruction_set = kX86_64; 1500 } 1501 } else if (option.starts_with("--dump:")) { 1502 if (option == "--dump:raw_mapping_table") { 1503 dump_raw_mapping_table = true; 1504 } else if (option == "--dump:raw_gc_map") { 1505 dump_raw_gc_map = true; 1506 } else { 1507 fprintf(stderr, "Unknown argument %s\n", option.data()); 1508 usage(); 1509 } 1510 } else if (option.starts_with("--output=")) { 1511 const char* filename = option.substr(strlen("--output=")).data(); 1512 out.reset(new std::ofstream(filename)); 1513 if (!out->good()) { 1514 fprintf(stderr, "Failed to open output filename %s\n", filename); 1515 usage(); 1516 } 1517 os = out.get(); 1518 } else { 1519 fprintf(stderr, "Unknown argument %s\n", option.data()); 1520 usage(); 1521 } 1522 } 1523 1524 if (image_location == NULL && oat_filename == NULL) { 1525 fprintf(stderr, "Either --image or --oat must be specified\n"); 1526 return EXIT_FAILURE; 1527 } 1528 1529 if (image_location != NULL && oat_filename != NULL) { 1530 fprintf(stderr, "Either --image or --oat must be specified but not both\n"); 1531 return EXIT_FAILURE; 1532 } 1533 1534 if (oat_filename != NULL) { 1535 std::string error_msg; 1536 OatFile* oat_file = 1537 OatFile::Open(oat_filename, oat_filename, NULL, false, &error_msg); 1538 if (oat_file == NULL) { 1539 fprintf(stderr, "Failed to open oat file from '%s': %s\n", oat_filename, error_msg.c_str()); 1540 return EXIT_FAILURE; 1541 } 1542 OatDumper oat_dumper(*oat_file, dump_raw_mapping_table, dump_raw_gc_map); 1543 oat_dumper.Dump(*os); 1544 return EXIT_SUCCESS; 1545 } 1546 1547 Runtime::Options options; 1548 std::string image_option; 1549 std::string oat_option; 1550 std::string boot_image_option; 1551 std::string boot_oat_option; 1552 1553 // We are more like a compiler than a run-time. We don't want to execute code. 1554 NoopCompilerCallbacks callbacks; 1555 options.push_back(std::make_pair("compilercallbacks", &callbacks)); 1556 1557 if (boot_image_location != NULL) { 1558 boot_image_option += "-Ximage:"; 1559 boot_image_option += boot_image_location; 1560 options.push_back(std::make_pair(boot_image_option.c_str(), reinterpret_cast<void*>(NULL))); 1561 } 1562 if (image_location != NULL) { 1563 image_option += "-Ximage:"; 1564 image_option += image_location; 1565 options.push_back(std::make_pair(image_option.c_str(), reinterpret_cast<void*>(NULL))); 1566 } 1567 options.push_back( 1568 std::make_pair("imageinstructionset", 1569 reinterpret_cast<const void*>(GetInstructionSetString(instruction_set)))); 1570 1571 if (!Runtime::Create(options, false)) { 1572 fprintf(stderr, "Failed to create runtime\n"); 1573 return EXIT_FAILURE; 1574 } 1575 std::unique_ptr<Runtime> runtime(Runtime::Current()); 1576 // Runtime::Create acquired the mutator_lock_ that is normally given away when we Runtime::Start, 1577 // give it away now and then switch to a more manageable ScopedObjectAccess. 1578 Thread::Current()->TransitionFromRunnableToSuspended(kNative); 1579 ScopedObjectAccess soa(Thread::Current()); 1580 gc::Heap* heap = Runtime::Current()->GetHeap(); 1581 gc::space::ImageSpace* image_space = heap->GetImageSpace(); 1582 CHECK(image_space != NULL); 1583 const ImageHeader& image_header = image_space->GetImageHeader(); 1584 if (!image_header.IsValid()) { 1585 fprintf(stderr, "Invalid image header %s\n", image_location); 1586 return EXIT_FAILURE; 1587 } 1588 ImageDumper image_dumper(os, *image_space, image_header, 1589 dump_raw_mapping_table, dump_raw_gc_map); 1590 image_dumper.Dump(); 1591 return EXIT_SUCCESS; 1592} 1593 1594} // namespace art 1595 1596int main(int argc, char** argv) { 1597 return art::oatdump(argc, argv); 1598} 1599