lib/ObjectYAML/MachOYAML.cpp

   1 //===- MachOYAML.cpp - MachO YAMLIO implementation ------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file defines classes for handling the YAML representation of MachO.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #include "llvm/ObjectYAML/MachOYAML.h"
  14 #include "llvm/ADT/StringRef.h"
  15 #include "llvm/BinaryFormat/MachO.h"
  16 #include "llvm/Support/Format.h"
  17 #include "llvm/Support/Host.h"
  18 #include "llvm/Support/YAMLTraits.h"
  19 #include "llvm/Support/raw_ostream.h"
  20 #include <cinttypes>
  21 #include <cstdint>
  22 #include <cstring>
  23
  24 namespace llvm {
  25
  26 MachOYAML::LoadCommand::~LoadCommand() = default;
  27
  28 bool MachOYAML::LinkEditData::isEmpty() const {
  29   return 0 ==
  30          RebaseOpcodes.size() + BindOpcodes.size() + WeakBindOpcodes.size() +
  31              LazyBindOpcodes.size() + ExportTrie.Children.size() +
  32              NameList.size() + StringTable.size();
  33 }
  34
  35 namespace yaml {
  36
  37 void ScalarTraits<char_16>::output(const char_16 &Val, void *,
  38                                    raw_ostream &Out) {
  39   auto Len = strnlen(&Val[0], 16);
  40   Out << StringRef(&Val[0], Len);
  41 }
  42
  43 StringRef ScalarTraits<char_16>::input(StringRef Scalar, void *, char_16 &Val) {
  44   size_t CopySize = 16 >= Scalar.size() ? 16 : Scalar.size();
  45   memcpy((void *)Val, Scalar.data(), CopySize);
  46
  47   if (Scalar.size() < 16) {
  48     memset((void *)&Val[Scalar.size()], 0, 16 - Scalar.size());
  49   }
  50
  51   return StringRef();
  52 }
  53
  54 QuotingType ScalarTraits<char_16>::mustQuote(StringRef S) {
  55   return needsQuotes(S);
  56 }
  57
  58 void ScalarTraits<uuid_t>::output(const uuid_t &Val, void *, raw_ostream &Out) {
  59   Out.write_uuid(Val);
  60 }
  61
  62 StringRef ScalarTraits<uuid_t>::input(StringRef Scalar, void *, uuid_t &Val) {
  63   size_t OutIdx = 0;
  64   for (size_t Idx = 0; Idx < Scalar.size(); ++Idx) {
  65     if (Scalar[Idx] == '-' || OutIdx >= 16)
  66       continue;
  67     unsigned long long TempInt;
  68     if (getAsUnsignedInteger(Scalar.slice(Idx, Idx + 2), 16, TempInt))
  69       return "invalid number";
  70     if (TempInt > 0xFF)
  71       return "out of range number";
  72     Val[OutIdx] = static_cast<uint8_t>(TempInt);
  73     ++Idx; // increment idx an extra time because we're consuming 2 chars
  74     ++OutIdx;
  75   }
  76   return StringRef();
  77 }
  78
  79 QuotingType ScalarTraits<uuid_t>::mustQuote(StringRef S) {
  80   return needsQuotes(S);
  81 }
  82
  83 void MappingTraits<MachOYAML::FileHeader>::mapping(
  84     IO &IO, MachOYAML::FileHeader &FileHdr) {
  85   IO.mapRequired("magic", FileHdr.magic);
  86   IO.mapRequired("cputype", FileHdr.cputype);
  87   IO.mapRequired("cpusubtype", FileHdr.cpusubtype);
  88   IO.mapRequired("filetype", FileHdr.filetype);
  89   IO.mapRequired("ncmds", FileHdr.ncmds);
  90   IO.mapRequired("sizeofcmds", FileHdr.sizeofcmds);
  91   IO.mapRequired("flags", FileHdr.flags);
  92   if (FileHdr.magic == MachO::MH_MAGIC_64 ||
  93       FileHdr.magic == MachO::MH_CIGAM_64)
  94     IO.mapRequired("reserved", FileHdr.reserved);
  95 }
  96
  97 void MappingTraits<MachOYAML::Object>::mapping(IO &IO,
  98                                                MachOYAML::Object &Object) {
  99   // If the context isn't already set, tag the document as !mach-o.
 100   // For Fat files there will be a different tag so they can be differentiated.
 101   if (!IO.getContext()) {
 102     IO.setContext(&Object);
 103   }
 104   IO.mapTag("!mach-o", true);
 105   IO.mapOptional("IsLittleEndian", Object.IsLittleEndian,
 106                  sys::IsLittleEndianHost);
 107   Object.DWARF.IsLittleEndian = Object.IsLittleEndian;
 108
 109   IO.mapRequired("FileHeader", Object.Header);
 110   IO.mapOptional("LoadCommands", Object.LoadCommands);
 111   if(!Object.LinkEdit.isEmpty() || !IO.outputting())
 112     IO.mapOptional("LinkEditData", Object.LinkEdit);
 113
 114   if(!Object.DWARF.isEmpty() || !IO.outputting())
 115     IO.mapOptional("DWARF", Object.DWARF);
 116
 117   if (IO.getContext() == &Object)
 118     IO.setContext(nullptr);
 119 }
 120
 121 void MappingTraits<MachOYAML::FatHeader>::mapping(
 122     IO &IO, MachOYAML::FatHeader &FatHeader) {
 123   IO.mapRequired("magic", FatHeader.magic);
 124   IO.mapRequired("nfat_arch", FatHeader.nfat_arch);
 125 }
 126
 127 void MappingTraits<MachOYAML::FatArch>::mapping(IO &IO,
 128                                                 MachOYAML::FatArch &FatArch) {
 129   IO.mapRequired("cputype", FatArch.cputype);
 130   IO.mapRequired("cpusubtype", FatArch.cpusubtype);
 131   IO.mapRequired("offset", FatArch.offset);
 132   IO.mapRequired("size", FatArch.size);
 133   IO.mapRequired("align", FatArch.align);
 134   IO.mapOptional("reserved", FatArch.reserved,
 135                  static_cast<llvm::yaml::Hex32>(0));
 136 }
 137
 138 void MappingTraits<MachOYAML::UniversalBinary>::mapping(
 139     IO &IO, MachOYAML::UniversalBinary &UniversalBinary) {
 140   if (!IO.getContext()) {
 141     IO.setContext(&UniversalBinary);
 142     IO.mapTag("!fat-mach-o", true);
 143   }
 144   IO.mapRequired("FatHeader", UniversalBinary.Header);
 145   IO.mapRequired("FatArchs", UniversalBinary.FatArchs);
 146   IO.mapRequired("Slices", UniversalBinary.Slices);
 147
 148   if (IO.getContext() == &UniversalBinary)
 149     IO.setContext(nullptr);
 150 }
 151
 152 void MappingTraits<MachOYAML::LinkEditData>::mapping(
 153     IO &IO, MachOYAML::LinkEditData &LinkEditData) {
 154   IO.mapOptional("RebaseOpcodes", LinkEditData.RebaseOpcodes);
 155   IO.mapOptional("BindOpcodes", LinkEditData.BindOpcodes);
 156   IO.mapOptional("WeakBindOpcodes", LinkEditData.WeakBindOpcodes);
 157   IO.mapOptional("LazyBindOpcodes", LinkEditData.LazyBindOpcodes);
 158   if (!LinkEditData.ExportTrie.Children.empty() || !IO.outputting())
 159     IO.mapOptional("ExportTrie", LinkEditData.ExportTrie);
 160   IO.mapOptional("NameList", LinkEditData.NameList);
 161   IO.mapOptional("StringTable", LinkEditData.StringTable);
 162 }
 163
 164 void MappingTraits<MachOYAML::RebaseOpcode>::mapping(
 165     IO &IO, MachOYAML::RebaseOpcode &RebaseOpcode) {
 166   IO.mapRequired("Opcode", RebaseOpcode.Opcode);
 167   IO.mapRequired("Imm", RebaseOpcode.Imm);
 168   IO.mapOptional("ExtraData", RebaseOpcode.ExtraData);
 169 }
 170
 171 void MappingTraits<MachOYAML::BindOpcode>::mapping(
 172     IO &IO, MachOYAML::BindOpcode &BindOpcode) {
 173   IO.mapRequired("Opcode", BindOpcode.Opcode);
 174   IO.mapRequired("Imm", BindOpcode.Imm);
 175   IO.mapOptional("ULEBExtraData", BindOpcode.ULEBExtraData);
 176   IO.mapOptional("SLEBExtraData", BindOpcode.SLEBExtraData);
 177   IO.mapOptional("Symbol", BindOpcode.Symbol);
 178 }
 179
 180 void MappingTraits<MachOYAML::ExportEntry>::mapping(
 181     IO &IO, MachOYAML::ExportEntry &ExportEntry) {
 182   IO.mapRequired("TerminalSize", ExportEntry.TerminalSize);
 183   IO.mapOptional("NodeOffset", ExportEntry.NodeOffset);
 184   IO.mapOptional("Name", ExportEntry.Name);
 185   IO.mapOptional("Flags", ExportEntry.Flags);
 186   IO.mapOptional("Address", ExportEntry.Address);
 187   IO.mapOptional("Other", ExportEntry.Other);
 188   IO.mapOptional("ImportName", ExportEntry.ImportName);
 189   IO.mapOptional("Children", ExportEntry.Children);
 190 }
 191
 192 void MappingTraits<MachOYAML::NListEntry>::mapping(
 193     IO &IO, MachOYAML::NListEntry &NListEntry) {
 194   IO.mapRequired("n_strx", NListEntry.n_strx);
 195   IO.mapRequired("n_type", NListEntry.n_type);
 196   IO.mapRequired("n_sect", NListEntry.n_sect);
 197   IO.mapRequired("n_desc", NListEntry.n_desc);
 198   IO.mapRequired("n_value", NListEntry.n_value);
 199 }
 200
 201 template <typename StructType>
 202 void mapLoadCommandData(IO &IO, MachOYAML::LoadCommand &LoadCommand) {}
 203
 204 template <>
 205 void mapLoadCommandData<MachO::segment_command>(
 206     IO &IO, MachOYAML::LoadCommand &LoadCommand) {
 207   IO.mapOptional("Sections", LoadCommand.Sections);
 208 }
 209
 210 template <>
 211 void mapLoadCommandData<MachO::segment_command_64>(
 212     IO &IO, MachOYAML::LoadCommand &LoadCommand) {
 213   IO.mapOptional("Sections", LoadCommand.Sections);
 214 }
 215
 216 template <>
 217 void mapLoadCommandData<MachO::dylib_command>(
 218     IO &IO, MachOYAML::LoadCommand &LoadCommand) {
 219   IO.mapOptional("PayloadString", LoadCommand.PayloadString);
 220 }
 221
 222 template <>
 223 void mapLoadCommandData<MachO::rpath_command>(
 224     IO &IO, MachOYAML::LoadCommand &LoadCommand) {
 225   IO.mapOptional("PayloadString", LoadCommand.PayloadString);
 226 }
 227
 228 template <>
 229 void mapLoadCommandData<MachO::dylinker_command>(
 230     IO &IO, MachOYAML::LoadCommand &LoadCommand) {
 231   IO.mapOptional("PayloadString", LoadCommand.PayloadString);
 232 }
 233
 234 template <>
 235 void mapLoadCommandData<MachO::build_version_command>(
 236     IO &IO, MachOYAML::LoadCommand &LoadCommand) {
 237   IO.mapOptional("Tools", LoadCommand.Tools);
 238 }
 239
 240 void MappingTraits<MachOYAML::LoadCommand>::mapping(
 241     IO &IO, MachOYAML::LoadCommand &LoadCommand) {
 242   MachO::LoadCommandType TempCmd = static_cast<MachO::LoadCommandType>(
 243       LoadCommand.Data.load_command_data.cmd);
 244   IO.mapRequired("cmd", TempCmd);
 245   LoadCommand.Data.load_command_data.cmd = TempCmd;
 246   IO.mapRequired("cmdsize", LoadCommand.Data.load_command_data.cmdsize);
 247
 248 #define HANDLE_LOAD_COMMAND(LCName, LCValue, LCStruct)                         \
 249   case MachO::LCName:                                                          \
 250     MappingTraits<MachO::LCStruct>::mapping(IO,                                \
 251                                             LoadCommand.Data.LCStruct##_data); \
 252     mapLoadCommandData<MachO::LCStruct>(IO, LoadCommand);                      \
 253     break;
 254
 255   switch (LoadCommand.Data.load_command_data.cmd) {
 256 #include "llvm/BinaryFormat/MachO.def"
 257   }
 258   IO.mapOptional("PayloadBytes", LoadCommand.PayloadBytes);
 259   IO.mapOptional("ZeroPadBytes", LoadCommand.ZeroPadBytes, (uint64_t)0ull);
 260 }
 261
 262 void MappingTraits<MachO::dyld_info_command>::mapping(
 263     IO &IO, MachO::dyld_info_command &LoadCommand) {
 264   IO.mapRequired("rebase_off", LoadCommand.rebase_off);
 265   IO.mapRequired("rebase_size", LoadCommand.rebase_size);
 266   IO.mapRequired("bind_off", LoadCommand.bind_off);
 267   IO.mapRequired("bind_size", LoadCommand.bind_size);
 268   IO.mapRequired("weak_bind_off", LoadCommand.weak_bind_off);
 269   IO.mapRequired("weak_bind_size", LoadCommand.weak_bind_size);
 270   IO.mapRequired("lazy_bind_off", LoadCommand.lazy_bind_off);
 271   IO.mapRequired("lazy_bind_size", LoadCommand.lazy_bind_size);
 272   IO.mapRequired("export_off", LoadCommand.export_off);
 273   IO.mapRequired("export_size", LoadCommand.export_size);
 274 }
 275
 276 void MappingTraits<MachOYAML::Section>::mapping(IO &IO,
 277                                                 MachOYAML::Section &Section) {
 278   IO.mapRequired("sectname", Section.sectname);
 279   IO.mapRequired("segname", Section.segname);
 280   IO.mapRequired("addr", Section.addr);
 281   IO.mapRequired("size", Section.size);
 282   IO.mapRequired("offset", Section.offset);
 283   IO.mapRequired("align", Section.align);
 284   IO.mapRequired("reloff", Section.reloff);
 285   IO.mapRequired("nreloc", Section.nreloc);
 286   IO.mapRequired("flags", Section.flags);
 287   IO.mapRequired("reserved1", Section.reserved1);
 288   IO.mapRequired("reserved2", Section.reserved2);
 289   IO.mapOptional("reserved3", Section.reserved3);
 290   IO.mapOptional("content", Section.content);
 291 }
 292
 293 StringRef
 294 MappingTraits<MachOYAML::Section>::validate(IO &IO,
 295                                             MachOYAML::Section &Section) {
 296   if (Section.content && Section.size < Section.content->binary_size())
 297     return "Section size must be greater than or equal to the content size";
 298   return {};
 299 }
 300
 301 void MappingTraits<MachO::build_tool_version>::mapping(
 302     IO &IO, MachO::build_tool_version &tool) {
 303   IO.mapRequired("tool", tool.tool);
 304   IO.mapRequired("version", tool.version);
 305 }
 306
 307 void MappingTraits<MachO::dylib>::mapping(IO &IO, MachO::dylib &DylibStruct) {
 308   IO.mapRequired("name", DylibStruct.name);
 309   IO.mapRequired("timestamp", DylibStruct.timestamp);
 310   IO.mapRequired("current_version", DylibStruct.current_version);
 311   IO.mapRequired("compatibility_version", DylibStruct.compatibility_version);
 312 }
 313
 314 void MappingTraits<MachO::dylib_command>::mapping(
 315     IO &IO, MachO::dylib_command &LoadCommand) {
 316   IO.mapRequired("dylib", LoadCommand.dylib);
 317 }
 318
 319 void MappingTraits<MachO::dylinker_command>::mapping(
 320     IO &IO, MachO::dylinker_command &LoadCommand) {
 321   IO.mapRequired("name", LoadCommand.name);
 322 }
 323
 324 void MappingTraits<MachO::dysymtab_command>::mapping(
 325     IO &IO, MachO::dysymtab_command &LoadCommand) {
 326   IO.mapRequired("ilocalsym", LoadCommand.ilocalsym);
 327   IO.mapRequired("nlocalsym", LoadCommand.nlocalsym);
 328   IO.mapRequired("iextdefsym", LoadCommand.iextdefsym);
 329   IO.mapRequired("nextdefsym", LoadCommand.nextdefsym);
 330   IO.mapRequired("iundefsym", LoadCommand.iundefsym);
 331   IO.mapRequired("nundefsym", LoadCommand.nundefsym);
 332   IO.mapRequired("tocoff", LoadCommand.tocoff);
 333   IO.mapRequired("ntoc", LoadCommand.ntoc);
 334   IO.mapRequired("modtaboff", LoadCommand.modtaboff);
 335   IO.mapRequired("nmodtab", LoadCommand.nmodtab);
 336   IO.mapRequired("extrefsymoff", LoadCommand.extrefsymoff);
 337   IO.mapRequired("nextrefsyms", LoadCommand.nextrefsyms);
 338   IO.mapRequired("indirectsymoff", LoadCommand.indirectsymoff);
 339   IO.mapRequired("nindirectsyms", LoadCommand.nindirectsyms);
 340   IO.mapRequired("extreloff", LoadCommand.extreloff);
 341   IO.mapRequired("nextrel", LoadCommand.nextrel);
 342   IO.mapRequired("locreloff", LoadCommand.locreloff);
 343   IO.mapRequired("nlocrel", LoadCommand.nlocrel);
 344 }
 345
 346 void MappingTraits<MachO::encryption_info_command>::mapping(
 347     IO &IO, MachO::encryption_info_command &LoadCommand) {
 348   IO.mapRequired("cryptoff", LoadCommand.cryptoff);
 349   IO.mapRequired("cryptsize", LoadCommand.cryptsize);
 350   IO.mapRequired("cryptid", LoadCommand.cryptid);
 351 }
 352
 353 void MappingTraits<MachO::encryption_info_command_64>::mapping(
 354     IO &IO, MachO::encryption_info_command_64 &LoadCommand) {
 355   IO.mapRequired("cryptoff", LoadCommand.cryptoff);
 356   IO.mapRequired("cryptsize", LoadCommand.cryptsize);
 357   IO.mapRequired("cryptid", LoadCommand.cryptid);
 358   IO.mapRequired("pad", LoadCommand.pad);
 359 }
 360
 361 void MappingTraits<MachO::entry_point_command>::mapping(
 362     IO &IO, MachO::entry_point_command &LoadCommand) {
 363   IO.mapRequired("entryoff", LoadCommand.entryoff);
 364   IO.mapRequired("stacksize", LoadCommand.stacksize);
 365 }
 366
 367 void MappingTraits<MachO::fvmfile_command>::mapping(
 368     IO &IO, MachO::fvmfile_command &LoadCommand) {
 369   IO.mapRequired("name", LoadCommand.name);
 370   IO.mapRequired("header_addr", LoadCommand.header_addr);
 371 }
 372
 373 void MappingTraits<MachO::fvmlib>::mapping(IO &IO, MachO::fvmlib &FVMLib) {
 374   IO.mapRequired("name", FVMLib.name);
 375   IO.mapRequired("minor_version", FVMLib.minor_version);
 376   IO.mapRequired("header_addr", FVMLib.header_addr);
 377 }
 378
 379 void MappingTraits<MachO::fvmlib_command>::mapping(
 380     IO &IO, MachO::fvmlib_command &LoadCommand) {
 381   IO.mapRequired("fvmlib", LoadCommand.fvmlib);
 382 }
 383
 384 void MappingTraits<MachO::ident_command>::mapping(
 385     IO &IO, MachO::ident_command &LoadCommand) {}
 386
 387 void MappingTraits<MachO::linkedit_data_command>::mapping(
 388     IO &IO, MachO::linkedit_data_command &LoadCommand) {
 389   IO.mapRequired("dataoff", LoadCommand.dataoff);
 390   IO.mapRequired("datasize", LoadCommand.datasize);
 391 }
 392
 393 void MappingTraits<MachO::linker_option_command>::mapping(
 394     IO &IO, MachO::linker_option_command &LoadCommand) {
 395   IO.mapRequired("count", LoadCommand.count);
 396 }
 397
 398 void MappingTraits<MachO::prebind_cksum_command>::mapping(
 399     IO &IO, MachO::prebind_cksum_command &LoadCommand) {
 400   IO.mapRequired("cksum", LoadCommand.cksum);
 401 }
 402
 403 void MappingTraits<MachO::load_command>::mapping(
 404     IO &IO, MachO::load_command &LoadCommand) {}
 405
 406 void MappingTraits<MachO::prebound_dylib_command>::mapping(
 407     IO &IO, MachO::prebound_dylib_command &LoadCommand) {
 408   IO.mapRequired("name", LoadCommand.name);
 409   IO.mapRequired("nmodules", LoadCommand.nmodules);
 410   IO.mapRequired("linked_modules", LoadCommand.linked_modules);
 411 }
 412
 413 void MappingTraits<MachO::routines_command>::mapping(
 414     IO &IO, MachO::routines_command &LoadCommand) {
 415   IO.mapRequired("init_address", LoadCommand.init_address);
 416   IO.mapRequired("init_module", LoadCommand.init_module);
 417   IO.mapRequired("reserved1", LoadCommand.reserved1);
 418   IO.mapRequired("reserved2", LoadCommand.reserved2);
 419   IO.mapRequired("reserved3", LoadCommand.reserved3);
 420   IO.mapRequired("reserved4", LoadCommand.reserved4);
 421   IO.mapRequired("reserved5", LoadCommand.reserved5);
 422   IO.mapRequired("reserved6", LoadCommand.reserved6);
 423 }
 424
 425 void MappingTraits<MachO::routines_command_64>::mapping(
 426     IO &IO, MachO::routines_command_64 &LoadCommand) {
 427   IO.mapRequired("init_address", LoadCommand.init_address);
 428   IO.mapRequired("init_module", LoadCommand.init_module);
 429   IO.mapRequired("reserved1", LoadCommand.reserved1);
 430   IO.mapRequired("reserved2", LoadCommand.reserved2);
 431   IO.mapRequired("reserved3", LoadCommand.reserved3);
 432   IO.mapRequired("reserved4", LoadCommand.reserved4);
 433   IO.mapRequired("reserved5", LoadCommand.reserved5);
 434   IO.mapRequired("reserved6", LoadCommand.reserved6);
 435 }
 436
 437 void MappingTraits<MachO::rpath_command>::mapping(
 438     IO &IO, MachO::rpath_command &LoadCommand) {
 439   IO.mapRequired("path", LoadCommand.path);
 440 }
 441
 442 void MappingTraits<MachO::section>::mapping(IO &IO, MachO::section &Section) {
 443   IO.mapRequired("sectname", Section.sectname);
 444   IO.mapRequired("segname", Section.segname);
 445   IO.mapRequired("addr", Section.addr);
 446   IO.mapRequired("size", Section.size);
 447   IO.mapRequired("offset", Section.offset);
 448   IO.mapRequired("align", Section.align);
 449   IO.mapRequired("reloff", Section.reloff);
 450   IO.mapRequired("nreloc", Section.nreloc);
 451   IO.mapRequired("flags", Section.flags);
 452   IO.mapRequired("reserved1", Section.reserved1);
 453   IO.mapRequired("reserved2", Section.reserved2);
 454 }
 455
 456 void MappingTraits<MachO::section_64>::mapping(IO &IO,
 457                                                MachO::section_64 &Section) {
 458   IO.mapRequired("sectname", Section.sectname);
 459   IO.mapRequired("segname", Section.segname);
 460   IO.mapRequired("addr", Section.addr);
 461   IO.mapRequired("size", Section.size);
 462   IO.mapRequired("offset", Section.offset);
 463   IO.mapRequired("align", Section.align);
 464   IO.mapRequired("reloff", Section.reloff);
 465   IO.mapRequired("nreloc", Section.nreloc);
 466   IO.mapRequired("flags", Section.flags);
 467   IO.mapRequired("reserved1", Section.reserved1);
 468   IO.mapRequired("reserved2", Section.reserved2);
 469   IO.mapRequired("reserved3", Section.reserved3);
 470 }
 471
 472 void MappingTraits<MachO::segment_command>::mapping(
 473     IO &IO, MachO::segment_command &LoadCommand) {
 474   IO.mapRequired("segname", LoadCommand.segname);
 475   IO.mapRequired("vmaddr", LoadCommand.vmaddr);
 476   IO.mapRequired("vmsize", LoadCommand.vmsize);
 477   IO.mapRequired("fileoff", LoadCommand.fileoff);
 478   IO.mapRequired("filesize", LoadCommand.filesize);
 479   IO.mapRequired("maxprot", LoadCommand.maxprot);
 480   IO.mapRequired("initprot", LoadCommand.initprot);
 481   IO.mapRequired("nsects", LoadCommand.nsects);
 482   IO.mapRequired("flags", LoadCommand.flags);
 483 }
 484
 485 void MappingTraits<MachO::segment_command_64>::mapping(
 486     IO &IO, MachO::segment_command_64 &LoadCommand) {
 487   IO.mapRequired("segname", LoadCommand.segname);
 488   IO.mapRequired("vmaddr", LoadCommand.vmaddr);
 489   IO.mapRequired("vmsize", LoadCommand.vmsize);
 490   IO.mapRequired("fileoff", LoadCommand.fileoff);
 491   IO.mapRequired("filesize", LoadCommand.filesize);
 492   IO.mapRequired("maxprot", LoadCommand.maxprot);
 493   IO.mapRequired("initprot", LoadCommand.initprot);
 494   IO.mapRequired("nsects", LoadCommand.nsects);
 495   IO.mapRequired("flags", LoadCommand.flags);
 496 }
 497
 498 void MappingTraits<MachO::source_version_command>::mapping(
 499     IO &IO, MachO::source_version_command &LoadCommand) {
 500   IO.mapRequired("version", LoadCommand.version);
 501 }
 502
 503 void MappingTraits<MachO::sub_client_command>::mapping(
 504     IO &IO, MachO::sub_client_command &LoadCommand) {
 505   IO.mapRequired("client", LoadCommand.client);
 506 }
 507
 508 void MappingTraits<MachO::sub_framework_command>::mapping(
 509     IO &IO, MachO::sub_framework_command &LoadCommand) {
 510   IO.mapRequired("umbrella", LoadCommand.umbrella);
 511 }
 512
 513 void MappingTraits<MachO::sub_library_command>::mapping(
 514     IO &IO, MachO::sub_library_command &LoadCommand) {
 515   IO.mapRequired("sub_library", LoadCommand.sub_library);
 516 }
 517
 518 void MappingTraits<MachO::sub_umbrella_command>::mapping(
 519     IO &IO, MachO::sub_umbrella_command &LoadCommand) {
 520   IO.mapRequired("sub_umbrella", LoadCommand.sub_umbrella);
 521 }
 522
 523 void MappingTraits<MachO::symseg_command>::mapping(
 524     IO &IO, MachO::symseg_command &LoadCommand) {
 525   IO.mapRequired("offset", LoadCommand.offset);
 526   IO.mapRequired("size", LoadCommand.size);
 527 }
 528
 529 void MappingTraits<MachO::symtab_command>::mapping(
 530     IO &IO, MachO::symtab_command &LoadCommand) {
 531   IO.mapRequired("symoff", LoadCommand.symoff);
 532   IO.mapRequired("nsyms", LoadCommand.nsyms);
 533   IO.mapRequired("stroff", LoadCommand.stroff);
 534   IO.mapRequired("strsize", LoadCommand.strsize);
 535 }
 536
 537 void MappingTraits<MachO::thread_command>::mapping(
 538     IO &IO, MachO::thread_command &LoadCommand) {}
 539
 540 void MappingTraits<MachO::twolevel_hints_command>::mapping(
 541     IO &IO, MachO::twolevel_hints_command &LoadCommand) {
 542   IO.mapRequired("offset", LoadCommand.offset);
 543   IO.mapRequired("nhints", LoadCommand.nhints);
 544 }
 545
 546 void MappingTraits<MachO::uuid_command>::mapping(
 547     IO &IO, MachO::uuid_command &LoadCommand) {
 548   IO.mapRequired("uuid", LoadCommand.uuid);
 549 }
 550
 551 void MappingTraits<MachO::version_min_command>::mapping(
 552     IO &IO, MachO::version_min_command &LoadCommand) {
 553   IO.mapRequired("version", LoadCommand.version);
 554   IO.mapRequired("sdk", LoadCommand.sdk);
 555 }
 556
 557 void MappingTraits<MachO::note_command>::mapping(
 558     IO &IO, MachO::note_command &LoadCommand) {
 559   IO.mapRequired("data_owner", LoadCommand.data_owner);
 560   IO.mapRequired("offset", LoadCommand.offset);
 561   IO.mapRequired("size", LoadCommand.size);
 562 }
 563
 564 void MappingTraits<MachO::build_version_command>::mapping(
 565     IO &IO, MachO::build_version_command &LoadCommand) {
 566   IO.mapRequired("platform", LoadCommand.platform);
 567   IO.mapRequired("minos", LoadCommand.minos);
 568   IO.mapRequired("sdk", LoadCommand.sdk);
 569   IO.mapRequired("ntools", LoadCommand.ntools);
 570 }
 571
 572 } // end namespace yaml
 573
 574 } // end namespace llvm