1 //===-- llvm-objdump.cpp - Object file dumping utility for llvm -----------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This program is a utility that works like binutils "objdump", that is, it 11 // dumps out a plethora of information about an object file depending on the 12 // flags. 13 // 14 //===----------------------------------------------------------------------===// 15 16 #include "llvm-objdump.h" 17 #include "MCFunction.h" 18 #include "llvm/Object/Archive.h" 19 #include "llvm/Object/COFF.h" 20 #include "llvm/Object/ObjectFile.h" 21 #include "llvm/ADT/OwningPtr.h" 22 #include "llvm/ADT/StringExtras.h" 23 #include "llvm/ADT/Triple.h" 24 #include "llvm/ADT/STLExtras.h" 25 #include "llvm/MC/MCAsmInfo.h" 26 #include "llvm/MC/MCDisassembler.h" 27 #include "llvm/MC/MCInst.h" 28 #include "llvm/MC/MCInstPrinter.h" 29 #include "llvm/MC/MCInstrInfo.h" 30 #include "llvm/MC/MCRegisterInfo.h" 31 #include "llvm/MC/MCSubtargetInfo.h" 32 #include "llvm/Support/Casting.h" 33 #include "llvm/Support/CommandLine.h" 34 #include "llvm/Support/Debug.h" 35 #include "llvm/Support/FileSystem.h" 36 #include "llvm/Support/Format.h" 37 #include "llvm/Support/GraphWriter.h" 38 #include "llvm/Support/Host.h" 39 #include "llvm/Support/ManagedStatic.h" 40 #include "llvm/Support/MemoryBuffer.h" 41 #include "llvm/Support/MemoryObject.h" 42 #include "llvm/Support/PrettyStackTrace.h" 43 #include "llvm/Support/Signals.h" 44 #include "llvm/Support/SourceMgr.h" 45 #include "llvm/Support/TargetRegistry.h" 46 #include "llvm/Support/TargetSelect.h" 47 #include "llvm/Support/raw_ostream.h" 48 #include "llvm/Support/system_error.h" 49 #include <algorithm> 50 #include <cctype> 51 #include <cstring> 52 using namespace llvm; 53 using namespace object; 54 55 static cl::list<std::string> 56 InputFilenames(cl::Positional, cl::desc("<input object files>"),cl::ZeroOrMore); 57 58 static cl::opt<bool> 59 Disassemble("disassemble", 60 cl::desc("Display assembler mnemonics for the machine instructions")); 61 static cl::alias 62 Disassembled("d", cl::desc("Alias for --disassemble"), 63 cl::aliasopt(Disassemble)); 64 65 static cl::opt<bool> 66 Relocations("r", cl::desc("Display the relocation entries in the file")); 67 68 static cl::opt<bool> 69 SectionContents("s", cl::desc("Display the content of each section")); 70 71 static cl::opt<bool> 72 SymbolTable("t", cl::desc("Display the symbol table")); 73 74 static cl::opt<bool> 75 MachO("macho", cl::desc("Use MachO specific object file parser")); 76 static cl::alias 77 MachOm("m", cl::desc("Alias for --macho"), cl::aliasopt(MachO)); 78 79 cl::opt<std::string> 80 llvm::TripleName("triple", cl::desc("Target triple to disassemble for, " 81 "see -version for available targets")); 82 83 cl::opt<std::string> 84 llvm::ArchName("arch", cl::desc("Target arch to disassemble for, " 85 "see -version for available targets")); 86 87 static cl::opt<bool> 88 SectionHeaders("section-headers", cl::desc("Display summaries of the headers " 89 "for each section.")); 90 static cl::alias 91 SectionHeadersShort("headers", cl::desc("Alias for --section-headers"), 92 cl::aliasopt(SectionHeaders)); 93 static cl::alias 94 SectionHeadersShorter("h", cl::desc("Alias for --section-headers"), 95 cl::aliasopt(SectionHeaders)); 96 97 static StringRef ToolName; 98 99 static bool error(error_code ec) { 100 if (!ec) return false; 101 102 outs() << ToolName << ": error reading file: " << ec.message() << ".\n"; 103 outs().flush(); 104 return true; 105 } 106 107 static const Target *GetTarget(const ObjectFile *Obj = NULL) { 108 // Figure out the target triple. 109 llvm::Triple TT("unknown-unknown-unknown"); 110 if (TripleName.empty()) { 111 if (Obj) 112 TT.setArch(Triple::ArchType(Obj->getArch())); 113 } else 114 TT.setTriple(Triple::normalize(TripleName)); 115 116 if (!ArchName.empty()) 117 TT.setArchName(ArchName); 118 119 TripleName = TT.str(); 120 121 // Get the target specific parser. 122 std::string Error; 123 const Target *TheTarget = TargetRegistry::lookupTarget(TripleName, Error); 124 if (TheTarget) 125 return TheTarget; 126 127 errs() << ToolName << ": error: unable to get target for '" << TripleName 128 << "', see --version and --triple.\n"; 129 return 0; 130 } 131 132 void llvm::StringRefMemoryObject::anchor() { } 133 134 void llvm::DumpBytes(StringRef bytes) { 135 static const char hex_rep[] = "0123456789abcdef"; 136 // FIXME: The real way to do this is to figure out the longest instruction 137 // and align to that size before printing. I'll fix this when I get 138 // around to outputting relocations. 139 // 15 is the longest x86 instruction 140 // 3 is for the hex rep of a byte + a space. 141 // 1 is for the null terminator. 142 enum { OutputSize = (15 * 3) + 1 }; 143 char output[OutputSize]; 144 145 assert(bytes.size() <= 15 146 && "DumpBytes only supports instructions of up to 15 bytes"); 147 memset(output, ' ', sizeof(output)); 148 unsigned index = 0; 149 for (StringRef::iterator i = bytes.begin(), 150 e = bytes.end(); i != e; ++i) { 151 output[index] = hex_rep[(*i & 0xF0) >> 4]; 152 output[index + 1] = hex_rep[*i & 0xF]; 153 index += 3; 154 } 155 156 output[sizeof(output) - 1] = 0; 157 outs() << output; 158 } 159 160 static bool RelocAddressLess(RelocationRef a, RelocationRef b) { 161 uint64_t a_addr, b_addr; 162 if (error(a.getAddress(a_addr))) return false; 163 if (error(b.getAddress(b_addr))) return false; 164 return a_addr < b_addr; 165 } 166 167 static void DisassembleObject(const ObjectFile *Obj, bool InlineRelocs) { 168 const Target *TheTarget = GetTarget(Obj); 169 if (!TheTarget) { 170 // GetTarget prints out stuff. 171 return; 172 } 173 174 error_code ec; 175 for (section_iterator i = Obj->begin_sections(), 176 e = Obj->end_sections(); 177 i != e; i.increment(ec)) { 178 if (error(ec)) break; 179 bool text; 180 if (error(i->isText(text))) break; 181 if (!text) continue; 182 183 uint64_t SectionAddr; 184 if (error(i->getAddress(SectionAddr))) break; 185 186 // Make a list of all the symbols in this section. 187 std::vector<std::pair<uint64_t, StringRef> > Symbols; 188 for (symbol_iterator si = Obj->begin_symbols(), 189 se = Obj->end_symbols(); 190 si != se; si.increment(ec)) { 191 bool contains; 192 if (!error(i->containsSymbol(*si, contains)) && contains) { 193 uint64_t Address; 194 if (error(si->getAddress(Address))) break; 195 Address -= SectionAddr; 196 197 StringRef Name; 198 if (error(si->getName(Name))) break; 199 Symbols.push_back(std::make_pair(Address, Name)); 200 } 201 } 202 203 // Sort the symbols by address, just in case they didn't come in that way. 204 array_pod_sort(Symbols.begin(), Symbols.end()); 205 206 // Make a list of all the relocations for this section. 207 std::vector<RelocationRef> Rels; 208 if (InlineRelocs) { 209 for (relocation_iterator ri = i->begin_relocations(), 210 re = i->end_relocations(); 211 ri != re; ri.increment(ec)) { 212 if (error(ec)) break; 213 Rels.push_back(*ri); 214 } 215 } 216 217 // Sort relocations by address. 218 std::sort(Rels.begin(), Rels.end(), RelocAddressLess); 219 220 StringRef name; 221 if (error(i->getName(name))) break; 222 outs() << "Disassembly of section " << name << ':'; 223 224 // If the section has no symbols just insert a dummy one and disassemble 225 // the whole section. 226 if (Symbols.empty()) 227 Symbols.push_back(std::make_pair(0, name)); 228 229 // Set up disassembler. 230 OwningPtr<const MCAsmInfo> AsmInfo(TheTarget->createMCAsmInfo(TripleName)); 231 232 if (!AsmInfo) { 233 errs() << "error: no assembly info for target " << TripleName << "\n"; 234 return; 235 } 236 237 OwningPtr<const MCSubtargetInfo> STI( 238 TheTarget->createMCSubtargetInfo(TripleName, "", "")); 239 240 if (!STI) { 241 errs() << "error: no subtarget info for target " << TripleName << "\n"; 242 return; 243 } 244 245 OwningPtr<const MCDisassembler> DisAsm( 246 TheTarget->createMCDisassembler(*STI)); 247 if (!DisAsm) { 248 errs() << "error: no disassembler for target " << TripleName << "\n"; 249 return; 250 } 251 252 OwningPtr<const MCRegisterInfo> MRI(TheTarget->createMCRegInfo(TripleName)); 253 if (!MRI) { 254 errs() << "error: no register info for target " << TripleName << "\n"; 255 return; 256 } 257 258 OwningPtr<const MCInstrInfo> MII(TheTarget->createMCInstrInfo()); 259 if (!MII) { 260 errs() << "error: no instruction info for target " << TripleName << "\n"; 261 return; 262 } 263 264 int AsmPrinterVariant = AsmInfo->getAssemblerDialect(); 265 OwningPtr<MCInstPrinter> IP(TheTarget->createMCInstPrinter( 266 AsmPrinterVariant, *AsmInfo, *MII, *MRI, *STI)); 267 if (!IP) { 268 errs() << "error: no instruction printer for target " << TripleName 269 << '\n'; 270 return; 271 } 272 273 StringRef Bytes; 274 if (error(i->getContents(Bytes))) break; 275 StringRefMemoryObject memoryObject(Bytes); 276 uint64_t Size; 277 uint64_t Index; 278 uint64_t SectSize; 279 if (error(i->getSize(SectSize))) break; 280 281 std::vector<RelocationRef>::const_iterator rel_cur = Rels.begin(); 282 std::vector<RelocationRef>::const_iterator rel_end = Rels.end(); 283 // Disassemble symbol by symbol. 284 for (unsigned si = 0, se = Symbols.size(); si != se; ++si) { 285 uint64_t Start = Symbols[si].first; 286 uint64_t End; 287 // The end is either the size of the section or the beginning of the next 288 // symbol. 289 if (si == se - 1) 290 End = SectSize; 291 // Make sure this symbol takes up space. 292 else if (Symbols[si + 1].first != Start) 293 End = Symbols[si + 1].first - 1; 294 else 295 // This symbol has the same address as the next symbol. Skip it. 296 continue; 297 298 outs() << '\n' << Symbols[si].second << ":\n"; 299 300 #ifndef NDEBUG 301 raw_ostream &DebugOut = DebugFlag ? dbgs() : nulls(); 302 #else 303 raw_ostream &DebugOut = nulls(); 304 #endif 305 306 for (Index = Start; Index < End; Index += Size) { 307 MCInst Inst; 308 309 if (DisAsm->getInstruction(Inst, Size, memoryObject, Index, 310 DebugOut, nulls())) { 311 outs() << format("%8" PRIx64 ":\t", SectionAddr + Index); 312 DumpBytes(StringRef(Bytes.data() + Index, Size)); 313 IP->printInst(&Inst, outs(), ""); 314 outs() << "\n"; 315 } else { 316 errs() << ToolName << ": warning: invalid instruction encoding\n"; 317 if (Size == 0) 318 Size = 1; // skip illegible bytes 319 } 320 321 // Print relocation for instruction. 322 while (rel_cur != rel_end) { 323 bool hidden = false; 324 uint64_t addr; 325 SmallString<16> name; 326 SmallString<32> val; 327 328 // If this relocation is hidden, skip it. 329 if (error(rel_cur->getHidden(hidden))) goto skip_print_rel; 330 if (hidden) goto skip_print_rel; 331 332 if (error(rel_cur->getAddress(addr))) goto skip_print_rel; 333 // Stop when rel_cur's address is past the current instruction. 334 if (addr >= Index + Size) break; 335 if (error(rel_cur->getTypeName(name))) goto skip_print_rel; 336 if (error(rel_cur->getValueString(val))) goto skip_print_rel; 337 338 outs() << format("\t\t\t%8" PRIx64 ": ", SectionAddr + addr) << name 339 << "\t" << val << "\n"; 340 341 skip_print_rel: 342 ++rel_cur; 343 } 344 } 345 } 346 } 347 } 348 349 static void PrintRelocations(const ObjectFile *o) { 350 error_code ec; 351 for (section_iterator si = o->begin_sections(), se = o->end_sections(); 352 si != se; si.increment(ec)){ 353 if (error(ec)) return; 354 if (si->begin_relocations() == si->end_relocations()) 355 continue; 356 StringRef secname; 357 if (error(si->getName(secname))) continue; 358 outs() << "RELOCATION RECORDS FOR [" << secname << "]:\n"; 359 for (relocation_iterator ri = si->begin_relocations(), 360 re = si->end_relocations(); 361 ri != re; ri.increment(ec)) { 362 if (error(ec)) return; 363 364 bool hidden; 365 uint64_t address; 366 SmallString<32> relocname; 367 SmallString<32> valuestr; 368 if (error(ri->getHidden(hidden))) continue; 369 if (hidden) continue; 370 if (error(ri->getTypeName(relocname))) continue; 371 if (error(ri->getAddress(address))) continue; 372 if (error(ri->getValueString(valuestr))) continue; 373 outs() << address << " " << relocname << " " << valuestr << "\n"; 374 } 375 outs() << "\n"; 376 } 377 } 378 379 static void PrintSectionHeaders(const ObjectFile *o) { 380 outs() << "Sections:\n" 381 "Idx Name Size Address Type\n"; 382 error_code ec; 383 unsigned i = 0; 384 for (section_iterator si = o->begin_sections(), se = o->end_sections(); 385 si != se; si.increment(ec)) { 386 if (error(ec)) return; 387 StringRef Name; 388 if (error(si->getName(Name))) return; 389 uint64_t Address; 390 if (error(si->getAddress(Address))) return; 391 uint64_t Size; 392 if (error(si->getSize(Size))) return; 393 bool Text, Data, BSS; 394 if (error(si->isText(Text))) return; 395 if (error(si->isData(Data))) return; 396 if (error(si->isBSS(BSS))) return; 397 std::string Type = (std::string(Text ? "TEXT " : "") + 398 (Data ? "DATA " : "") + (BSS ? "BSS" : "")); 399 outs() << format("%3d %-13s %09" PRIx64 " %017" PRIx64 " %s\n", 400 i, Name.str().c_str(), Size, Address, Type.c_str()); 401 ++i; 402 } 403 } 404 405 static void PrintSectionContents(const ObjectFile *o) { 406 error_code ec; 407 for (section_iterator si = o->begin_sections(), 408 se = o->end_sections(); 409 si != se; si.increment(ec)) { 410 if (error(ec)) return; 411 StringRef Name; 412 StringRef Contents; 413 uint64_t BaseAddr; 414 if (error(si->getName(Name))) continue; 415 if (error(si->getContents(Contents))) continue; 416 if (error(si->getAddress(BaseAddr))) continue; 417 418 outs() << "Contents of section " << Name << ":\n"; 419 420 // Dump out the content as hex and printable ascii characters. 421 for (std::size_t addr = 0, end = Contents.size(); addr < end; addr += 16) { 422 outs() << format(" %04" PRIx64 " ", BaseAddr + addr); 423 // Dump line of hex. 424 for (std::size_t i = 0; i < 16; ++i) { 425 if (i != 0 && i % 4 == 0) 426 outs() << ' '; 427 if (addr + i < end) 428 outs() << hexdigit((Contents[addr + i] >> 4) & 0xF, true) 429 << hexdigit(Contents[addr + i] & 0xF, true); 430 else 431 outs() << " "; 432 } 433 // Print ascii. 434 outs() << " "; 435 for (std::size_t i = 0; i < 16 && addr + i < end; ++i) { 436 if (std::isprint(Contents[addr + i] & 0xFF)) 437 outs() << Contents[addr + i]; 438 else 439 outs() << "."; 440 } 441 outs() << "\n"; 442 } 443 } 444 } 445 446 static void PrintCOFFSymbolTable(const COFFObjectFile *coff) { 447 const coff_file_header *header; 448 if (error(coff->getHeader(header))) return; 449 int aux_count = 0; 450 const coff_symbol *symbol = 0; 451 for (int i = 0, e = header->NumberOfSymbols; i != e; ++i) { 452 if (aux_count--) { 453 // Figure out which type of aux this is. 454 if (symbol->StorageClass == COFF::IMAGE_SYM_CLASS_STATIC 455 && symbol->Value == 0) { // Section definition. 456 const coff_aux_section_definition *asd; 457 if (error(coff->getAuxSymbol<coff_aux_section_definition>(i, asd))) 458 return; 459 outs() << "AUX " 460 << format("scnlen 0x%x nreloc %d nlnno %d checksum 0x%x " 461 , unsigned(asd->Length) 462 , unsigned(asd->NumberOfRelocations) 463 , unsigned(asd->NumberOfLinenumbers) 464 , unsigned(asd->CheckSum)) 465 << format("assoc %d comdat %d\n" 466 , unsigned(asd->Number) 467 , unsigned(asd->Selection)); 468 } else { 469 outs() << "AUX Unknown\n"; 470 } 471 } else { 472 StringRef name; 473 if (error(coff->getSymbol(i, symbol))) return; 474 if (error(coff->getSymbolName(symbol, name))) return; 475 outs() << "[" << format("%2d", i) << "]" 476 << "(sec " << format("%2d", int(symbol->SectionNumber)) << ")" 477 << "(fl 0x00)" // Flag bits, which COFF doesn't have. 478 << "(ty " << format("%3x", unsigned(symbol->Type)) << ")" 479 << "(scl " << format("%3x", unsigned(symbol->StorageClass)) << ") " 480 << "(nx " << unsigned(symbol->NumberOfAuxSymbols) << ") " 481 << "0x" << format("%08x", unsigned(symbol->Value)) << " " 482 << name << "\n"; 483 aux_count = symbol->NumberOfAuxSymbols; 484 } 485 } 486 } 487 488 static void PrintSymbolTable(const ObjectFile *o) { 489 outs() << "SYMBOL TABLE:\n"; 490 491 if (const COFFObjectFile *coff = dyn_cast<const COFFObjectFile>(o)) 492 PrintCOFFSymbolTable(coff); 493 else { 494 error_code ec; 495 for (symbol_iterator si = o->begin_symbols(), 496 se = o->end_symbols(); si != se; si.increment(ec)) { 497 if (error(ec)) return; 498 StringRef Name; 499 uint64_t Address; 500 SymbolRef::Type Type; 501 uint64_t Size; 502 uint32_t Flags; 503 section_iterator Section = o->end_sections(); 504 if (error(si->getName(Name))) continue; 505 if (error(si->getAddress(Address))) continue; 506 if (error(si->getFlags(Flags))) continue; 507 if (error(si->getType(Type))) continue; 508 if (error(si->getSize(Size))) continue; 509 if (error(si->getSection(Section))) continue; 510 511 bool Global = Flags & SymbolRef::SF_Global; 512 bool Weak = Flags & SymbolRef::SF_Weak; 513 bool Absolute = Flags & SymbolRef::SF_Absolute; 514 515 if (Address == UnknownAddressOrSize) 516 Address = 0; 517 if (Size == UnknownAddressOrSize) 518 Size = 0; 519 char GlobLoc = ' '; 520 if (Type != SymbolRef::ST_Unknown) 521 GlobLoc = Global ? 'g' : 'l'; 522 char Debug = (Type == SymbolRef::ST_Debug || Type == SymbolRef::ST_File) 523 ? 'd' : ' '; 524 char FileFunc = ' '; 525 if (Type == SymbolRef::ST_File) 526 FileFunc = 'f'; 527 else if (Type == SymbolRef::ST_Function) 528 FileFunc = 'F'; 529 530 outs() << format("%08" PRIx64, Address) << " " 531 << GlobLoc // Local -> 'l', Global -> 'g', Neither -> ' ' 532 << (Weak ? 'w' : ' ') // Weak? 533 << ' ' // Constructor. Not supported yet. 534 << ' ' // Warning. Not supported yet. 535 << ' ' // Indirect reference to another symbol. 536 << Debug // Debugging (d) or dynamic (D) symbol. 537 << FileFunc // Name of function (F), file (f) or object (O). 538 << ' '; 539 if (Absolute) 540 outs() << "*ABS*"; 541 else if (Section == o->end_sections()) 542 outs() << "*UND*"; 543 else { 544 StringRef SectionName; 545 if (error(Section->getName(SectionName))) 546 SectionName = ""; 547 outs() << SectionName; 548 } 549 outs() << '\t' 550 << format("%08" PRIx64 " ", Size) 551 << Name 552 << '\n'; 553 } 554 } 555 } 556 557 static void DumpObject(const ObjectFile *o) { 558 outs() << '\n'; 559 outs() << o->getFileName() 560 << ":\tfile format " << o->getFileFormatName() << "\n\n"; 561 562 if (Disassemble) 563 DisassembleObject(o, Relocations); 564 if (Relocations && !Disassemble) 565 PrintRelocations(o); 566 if (SectionHeaders) 567 PrintSectionHeaders(o); 568 if (SectionContents) 569 PrintSectionContents(o); 570 if (SymbolTable) 571 PrintSymbolTable(o); 572 } 573 574 /// @brief Dump each object file in \a a; 575 static void DumpArchive(const Archive *a) { 576 for (Archive::child_iterator i = a->begin_children(), 577 e = a->end_children(); i != e; ++i) { 578 OwningPtr<Binary> child; 579 if (error_code ec = i->getAsBinary(child)) { 580 // Ignore non-object files. 581 if (ec != object_error::invalid_file_type) 582 errs() << ToolName << ": '" << a->getFileName() << "': " << ec.message() 583 << ".\n"; 584 continue; 585 } 586 if (ObjectFile *o = dyn_cast<ObjectFile>(child.get())) 587 DumpObject(o); 588 else 589 errs() << ToolName << ": '" << a->getFileName() << "': " 590 << "Unrecognized file type.\n"; 591 } 592 } 593 594 /// @brief Open file and figure out how to dump it. 595 static void DumpInput(StringRef file) { 596 // If file isn't stdin, check that it exists. 597 if (file != "-" && !sys::fs::exists(file)) { 598 errs() << ToolName << ": '" << file << "': " << "No such file\n"; 599 return; 600 } 601 602 if (MachO && Disassemble) { 603 DisassembleInputMachO(file); 604 return; 605 } 606 607 // Attempt to open the binary. 608 OwningPtr<Binary> binary; 609 if (error_code ec = createBinary(file, binary)) { 610 errs() << ToolName << ": '" << file << "': " << ec.message() << ".\n"; 611 return; 612 } 613 614 if (Archive *a = dyn_cast<Archive>(binary.get())) { 615 DumpArchive(a); 616 } else if (ObjectFile *o = dyn_cast<ObjectFile>(binary.get())) { 617 DumpObject(o); 618 } else { 619 errs() << ToolName << ": '" << file << "': " << "Unrecognized file type.\n"; 620 } 621 } 622 623 int main(int argc, char **argv) { 624 // Print a stack trace if we signal out. 625 sys::PrintStackTraceOnErrorSignal(); 626 PrettyStackTraceProgram X(argc, argv); 627 llvm_shutdown_obj Y; // Call llvm_shutdown() on exit. 628 629 // Initialize targets and assembly printers/parsers. 630 llvm::InitializeAllTargetInfos(); 631 llvm::InitializeAllTargetMCs(); 632 llvm::InitializeAllAsmParsers(); 633 llvm::InitializeAllDisassemblers(); 634 635 cl::ParseCommandLineOptions(argc, argv, "llvm object file dumper\n"); 636 TripleName = Triple::normalize(TripleName); 637 638 ToolName = argv[0]; 639 640 // Defaults to a.out if no filenames specified. 641 if (InputFilenames.size() == 0) 642 InputFilenames.push_back("a.out"); 643 644 if (!Disassemble 645 && !Relocations 646 && !SectionHeaders 647 && !SectionContents 648 && !SymbolTable) { 649 cl::PrintHelpMessage(); 650 return 2; 651 } 652 653 std::for_each(InputFilenames.begin(), InputFilenames.end(), 654 DumpInput); 655 656 return 0; 657 } 658