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