xref: /freebsd/contrib/llvm-project/llvm/lib/ObjectYAML/MachOYAML.cpp (revision 2e3507c25e42292b45a5482e116d278f5515d04d) 
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/YAMLTraits.h"
18 #include "llvm/Support/raw_ostream.h"
19 #include "llvm/TargetParser/Host.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 == RebaseOpcodes.size() + BindOpcodes.size() +
30                   WeakBindOpcodes.size() + LazyBindOpcodes.size() +
31                   ExportTrie.Children.size() + NameList.size() +
32                   StringTable.size() + FunctionStarts.size() +
33                   ChainedFixups.size() + DataInCode.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   Object.DWARF.Is64BitAddrSize = Object.Header.magic == MachO::MH_MAGIC_64 ||
112                                  Object.Header.magic == MachO::MH_CIGAM_64;
113   IO.mapOptional("LoadCommands", Object.LoadCommands);
114 
115   if (Object.RawLinkEditSegment || !IO.outputting())
116     IO.mapOptional("__LINKEDIT", Object.RawLinkEditSegment);
117   if(!Object.LinkEdit.isEmpty() || !IO.outputting())
118     IO.mapOptional("LinkEditData", Object.LinkEdit);
119 
120   if(!Object.DWARF.isEmpty() || !IO.outputting())
121     IO.mapOptional("DWARF", Object.DWARF);
122 
123   if (IO.getContext() == &Object)
124     IO.setContext(nullptr);
125 }
126 
127 void MappingTraits<MachOYAML::FatHeader>::mapping(
128     IO &IO, MachOYAML::FatHeader &FatHeader) {
129   IO.mapRequired("magic", FatHeader.magic);
130   IO.mapRequired("nfat_arch", FatHeader.nfat_arch);
131 }
132 
133 void MappingTraits<MachOYAML::FatArch>::mapping(IO &IO,
134                                                 MachOYAML::FatArch &FatArch) {
135   IO.mapRequired("cputype", FatArch.cputype);
136   IO.mapRequired("cpusubtype", FatArch.cpusubtype);
137   IO.mapRequired("offset", FatArch.offset);
138   IO.mapRequired("size", FatArch.size);
139   IO.mapRequired("align", FatArch.align);
140   IO.mapOptional("reserved", FatArch.reserved,
141                  static_cast<llvm::yaml::Hex32>(0));
142 }
143 
144 void MappingTraits<MachOYAML::UniversalBinary>::mapping(
145     IO &IO, MachOYAML::UniversalBinary &UniversalBinary) {
146   if (!IO.getContext()) {
147     IO.setContext(&UniversalBinary);
148     IO.mapTag("!fat-mach-o", true);
149   }
150   IO.mapRequired("FatHeader", UniversalBinary.Header);
151   IO.mapRequired("FatArchs", UniversalBinary.FatArchs);
152   IO.mapRequired("Slices", UniversalBinary.Slices);
153 
154   if (IO.getContext() == &UniversalBinary)
155     IO.setContext(nullptr);
156 }
157 
158 void MappingTraits<MachOYAML::LinkEditData>::mapping(
159     IO &IO, MachOYAML::LinkEditData &LinkEditData) {
160   IO.mapOptional("RebaseOpcodes", LinkEditData.RebaseOpcodes);
161   IO.mapOptional("BindOpcodes", LinkEditData.BindOpcodes);
162   IO.mapOptional("WeakBindOpcodes", LinkEditData.WeakBindOpcodes);
163   IO.mapOptional("LazyBindOpcodes", LinkEditData.LazyBindOpcodes);
164   if (!LinkEditData.ExportTrie.Children.empty() || !IO.outputting())
165     IO.mapOptional("ExportTrie", LinkEditData.ExportTrie);
166   IO.mapOptional("NameList", LinkEditData.NameList);
167   IO.mapOptional("StringTable", LinkEditData.StringTable);
168   IO.mapOptional("IndirectSymbols", LinkEditData.IndirectSymbols);
169   IO.mapOptional("FunctionStarts", LinkEditData.FunctionStarts);
170   IO.mapOptional("ChainedFixups", LinkEditData.ChainedFixups);
171   IO.mapOptional("DataInCode", LinkEditData.DataInCode);
172 }
173 
174 void MappingTraits<MachOYAML::RebaseOpcode>::mapping(
175     IO &IO, MachOYAML::RebaseOpcode &RebaseOpcode) {
176   IO.mapRequired("Opcode", RebaseOpcode.Opcode);
177   IO.mapRequired("Imm", RebaseOpcode.Imm);
178   IO.mapOptional("ExtraData", RebaseOpcode.ExtraData);
179 }
180 
181 void MappingTraits<MachOYAML::BindOpcode>::mapping(
182     IO &IO, MachOYAML::BindOpcode &BindOpcode) {
183   IO.mapRequired("Opcode", BindOpcode.Opcode);
184   IO.mapRequired("Imm", BindOpcode.Imm);
185   IO.mapOptional("ULEBExtraData", BindOpcode.ULEBExtraData);
186   IO.mapOptional("SLEBExtraData", BindOpcode.SLEBExtraData);
187   IO.mapOptional("Symbol", BindOpcode.Symbol);
188 }
189 
190 void MappingTraits<MachOYAML::ExportEntry>::mapping(
191     IO &IO, MachOYAML::ExportEntry &ExportEntry) {
192   IO.mapRequired("TerminalSize", ExportEntry.TerminalSize);
193   IO.mapOptional("NodeOffset", ExportEntry.NodeOffset);
194   IO.mapOptional("Name", ExportEntry.Name);
195   IO.mapOptional("Flags", ExportEntry.Flags);
196   IO.mapOptional("Address", ExportEntry.Address);
197   IO.mapOptional("Other", ExportEntry.Other);
198   IO.mapOptional("ImportName", ExportEntry.ImportName);
199   IO.mapOptional("Children", ExportEntry.Children);
200 }
201 
202 void MappingTraits<MachOYAML::NListEntry>::mapping(
203     IO &IO, MachOYAML::NListEntry &NListEntry) {
204   IO.mapRequired("n_strx", NListEntry.n_strx);
205   IO.mapRequired("n_type", NListEntry.n_type);
206   IO.mapRequired("n_sect", NListEntry.n_sect);
207   IO.mapRequired("n_desc", NListEntry.n_desc);
208   IO.mapRequired("n_value", NListEntry.n_value);
209 }
210 
211 void MappingTraits<MachOYAML::DataInCodeEntry>::mapping(
212     IO &IO, MachOYAML::DataInCodeEntry &DataInCodeEntry) {
213   IO.mapRequired("Offset", DataInCodeEntry.Offset);
214   IO.mapRequired("Length", DataInCodeEntry.Length);
215   IO.mapRequired("Kind", DataInCodeEntry.Kind);
216 }
217 
218 template <typename StructType>
219 void mapLoadCommandData(IO &IO, MachOYAML::LoadCommand &LoadCommand) {}
220 
221 template <>
222 void mapLoadCommandData<MachO::segment_command>(
223     IO &IO, MachOYAML::LoadCommand &LoadCommand) {
224   IO.mapOptional("Sections", LoadCommand.Sections);
225 }
226 
227 template <>
228 void mapLoadCommandData<MachO::segment_command_64>(
229     IO &IO, MachOYAML::LoadCommand &LoadCommand) {
230   IO.mapOptional("Sections", LoadCommand.Sections);
231 }
232 
233 template <>
234 void mapLoadCommandData<MachO::dylib_command>(
235     IO &IO, MachOYAML::LoadCommand &LoadCommand) {
236   IO.mapOptional("Content", LoadCommand.Content);
237 }
238 
239 template <>
240 void mapLoadCommandData<MachO::rpath_command>(
241     IO &IO, MachOYAML::LoadCommand &LoadCommand) {
242   IO.mapOptional("Content", LoadCommand.Content);
243 }
244 
245 template <>
246 void mapLoadCommandData<MachO::dylinker_command>(
247     IO &IO, MachOYAML::LoadCommand &LoadCommand) {
248   IO.mapOptional("Content", LoadCommand.Content);
249 }
250 
251 template <>
252 void mapLoadCommandData<MachO::sub_framework_command>(
253     IO &IO, MachOYAML::LoadCommand &LoadCommand) {
254   IO.mapOptional("Content", LoadCommand.Content);
255 }
256 
257 template <>
258 void mapLoadCommandData<MachO::sub_umbrella_command>(
259     IO &IO, MachOYAML::LoadCommand &LoadCommand) {
260   IO.mapOptional("Content", LoadCommand.Content);
261 }
262 
263 template <>
264 void mapLoadCommandData<MachO::sub_client_command>(
265     IO &IO, MachOYAML::LoadCommand &LoadCommand) {
266   IO.mapOptional("Content", LoadCommand.Content);
267 }
268 
269 template <>
270 void mapLoadCommandData<MachO::sub_library_command>(
271     IO &IO, MachOYAML::LoadCommand &LoadCommand) {
272   IO.mapOptional("Content", LoadCommand.Content);
273 }
274 
275 template <>
276 void mapLoadCommandData<MachO::build_version_command>(
277     IO &IO, MachOYAML::LoadCommand &LoadCommand) {
278   IO.mapOptional("Tools", LoadCommand.Tools);
279 }
280 
281 void MappingTraits<MachOYAML::LoadCommand>::mapping(
282     IO &IO, MachOYAML::LoadCommand &LoadCommand) {
283   MachO::LoadCommandType TempCmd = static_cast<MachO::LoadCommandType>(
284       LoadCommand.Data.load_command_data.cmd);
285   IO.mapRequired("cmd", TempCmd);
286   LoadCommand.Data.load_command_data.cmd = TempCmd;
287   IO.mapRequired("cmdsize", LoadCommand.Data.load_command_data.cmdsize);
288 
289 #define HANDLE_LOAD_COMMAND(LCName, LCValue, LCStruct)                         \
290   case MachO::LCName:                                                          \
291     MappingTraits<MachO::LCStruct>::mapping(IO,                                \
292                                             LoadCommand.Data.LCStruct##_data); \
293     mapLoadCommandData<MachO::LCStruct>(IO, LoadCommand);                      \
294     break;
295 
296   switch (LoadCommand.Data.load_command_data.cmd) {
297 #include "llvm/BinaryFormat/MachO.def"
298   }
299   IO.mapOptional("PayloadBytes", LoadCommand.PayloadBytes);
300   IO.mapOptional("ZeroPadBytes", LoadCommand.ZeroPadBytes, (uint64_t)0ull);
301 }
302 
303 void MappingTraits<MachO::dyld_info_command>::mapping(
304     IO &IO, MachO::dyld_info_command &LoadCommand) {
305   IO.mapRequired("rebase_off", LoadCommand.rebase_off);
306   IO.mapRequired("rebase_size", LoadCommand.rebase_size);
307   IO.mapRequired("bind_off", LoadCommand.bind_off);
308   IO.mapRequired("bind_size", LoadCommand.bind_size);
309   IO.mapRequired("weak_bind_off", LoadCommand.weak_bind_off);
310   IO.mapRequired("weak_bind_size", LoadCommand.weak_bind_size);
311   IO.mapRequired("lazy_bind_off", LoadCommand.lazy_bind_off);
312   IO.mapRequired("lazy_bind_size", LoadCommand.lazy_bind_size);
313   IO.mapRequired("export_off", LoadCommand.export_off);
314   IO.mapRequired("export_size", LoadCommand.export_size);
315 }
316 
317 void MappingTraits<MachOYAML::Relocation>::mapping(
318     IO &IO, MachOYAML::Relocation &Relocation) {
319   IO.mapRequired("address", Relocation.address);
320   IO.mapRequired("symbolnum", Relocation.symbolnum);
321   IO.mapRequired("pcrel", Relocation.is_pcrel);
322   IO.mapRequired("length", Relocation.length);
323   IO.mapRequired("extern", Relocation.is_extern);
324   IO.mapRequired("type", Relocation.type);
325   IO.mapRequired("scattered", Relocation.is_scattered);
326   IO.mapRequired("value", Relocation.value);
327 }
328 
329 void MappingTraits<MachOYAML::Section>::mapping(IO &IO,
330                                                 MachOYAML::Section &Section) {
331   IO.mapRequired("sectname", Section.sectname);
332   IO.mapRequired("segname", Section.segname);
333   IO.mapRequired("addr", Section.addr);
334   IO.mapRequired("size", Section.size);
335   IO.mapRequired("offset", Section.offset);
336   IO.mapRequired("align", Section.align);
337   IO.mapRequired("reloff", Section.reloff);
338   IO.mapRequired("nreloc", Section.nreloc);
339   IO.mapRequired("flags", Section.flags);
340   IO.mapRequired("reserved1", Section.reserved1);
341   IO.mapRequired("reserved2", Section.reserved2);
342   IO.mapOptional("reserved3", Section.reserved3);
343   IO.mapOptional("content", Section.content);
344   IO.mapOptional("relocations", Section.relocations);
345 }
346 
347 std::string
348 MappingTraits<MachOYAML::Section>::validate(IO &IO,
349                                             MachOYAML::Section &Section) {
350   if (Section.content && Section.size < Section.content->binary_size())
351     return "Section size must be greater than or equal to the content size";
352   return "";
353 }
354 
355 void MappingTraits<MachO::build_tool_version>::mapping(
356     IO &IO, MachO::build_tool_version &tool) {
357   IO.mapRequired("tool", tool.tool);
358   IO.mapRequired("version", tool.version);
359 }
360 
361 void MappingTraits<MachO::dylib>::mapping(IO &IO, MachO::dylib &DylibStruct) {
362   IO.mapRequired("name", DylibStruct.name);
363   IO.mapRequired("timestamp", DylibStruct.timestamp);
364   IO.mapRequired("current_version", DylibStruct.current_version);
365   IO.mapRequired("compatibility_version", DylibStruct.compatibility_version);
366 }
367 
368 void MappingTraits<MachO::dylib_command>::mapping(
369     IO &IO, MachO::dylib_command &LoadCommand) {
370   IO.mapRequired("dylib", LoadCommand.dylib);
371 }
372 
373 void MappingTraits<MachO::dylinker_command>::mapping(
374     IO &IO, MachO::dylinker_command &LoadCommand) {
375   IO.mapRequired("name", LoadCommand.name);
376 }
377 
378 void MappingTraits<MachO::dysymtab_command>::mapping(
379     IO &IO, MachO::dysymtab_command &LoadCommand) {
380   IO.mapRequired("ilocalsym", LoadCommand.ilocalsym);
381   IO.mapRequired("nlocalsym", LoadCommand.nlocalsym);
382   IO.mapRequired("iextdefsym", LoadCommand.iextdefsym);
383   IO.mapRequired("nextdefsym", LoadCommand.nextdefsym);
384   IO.mapRequired("iundefsym", LoadCommand.iundefsym);
385   IO.mapRequired("nundefsym", LoadCommand.nundefsym);
386   IO.mapRequired("tocoff", LoadCommand.tocoff);
387   IO.mapRequired("ntoc", LoadCommand.ntoc);
388   IO.mapRequired("modtaboff", LoadCommand.modtaboff);
389   IO.mapRequired("nmodtab", LoadCommand.nmodtab);
390   IO.mapRequired("extrefsymoff", LoadCommand.extrefsymoff);
391   IO.mapRequired("nextrefsyms", LoadCommand.nextrefsyms);
392   IO.mapRequired("indirectsymoff", LoadCommand.indirectsymoff);
393   IO.mapRequired("nindirectsyms", LoadCommand.nindirectsyms);
394   IO.mapRequired("extreloff", LoadCommand.extreloff);
395   IO.mapRequired("nextrel", LoadCommand.nextrel);
396   IO.mapRequired("locreloff", LoadCommand.locreloff);
397   IO.mapRequired("nlocrel", LoadCommand.nlocrel);
398 }
399 
400 void MappingTraits<MachO::encryption_info_command>::mapping(
401     IO &IO, MachO::encryption_info_command &LoadCommand) {
402   IO.mapRequired("cryptoff", LoadCommand.cryptoff);
403   IO.mapRequired("cryptsize", LoadCommand.cryptsize);
404   IO.mapRequired("cryptid", LoadCommand.cryptid);
405 }
406 
407 void MappingTraits<MachO::encryption_info_command_64>::mapping(
408     IO &IO, MachO::encryption_info_command_64 &LoadCommand) {
409   IO.mapRequired("cryptoff", LoadCommand.cryptoff);
410   IO.mapRequired("cryptsize", LoadCommand.cryptsize);
411   IO.mapRequired("cryptid", LoadCommand.cryptid);
412   IO.mapRequired("pad", LoadCommand.pad);
413 }
414 
415 void MappingTraits<MachO::entry_point_command>::mapping(
416     IO &IO, MachO::entry_point_command &LoadCommand) {
417   IO.mapRequired("entryoff", LoadCommand.entryoff);
418   IO.mapRequired("stacksize", LoadCommand.stacksize);
419 }
420 
421 void MappingTraits<MachO::fvmfile_command>::mapping(
422     IO &IO, MachO::fvmfile_command &LoadCommand) {
423   IO.mapRequired("name", LoadCommand.name);
424   IO.mapRequired("header_addr", LoadCommand.header_addr);
425 }
426 
427 void MappingTraits<MachO::fvmlib>::mapping(IO &IO, MachO::fvmlib &FVMLib) {
428   IO.mapRequired("name", FVMLib.name);
429   IO.mapRequired("minor_version", FVMLib.minor_version);
430   IO.mapRequired("header_addr", FVMLib.header_addr);
431 }
432 
433 void MappingTraits<MachO::fvmlib_command>::mapping(
434     IO &IO, MachO::fvmlib_command &LoadCommand) {
435   IO.mapRequired("fvmlib", LoadCommand.fvmlib);
436 }
437 
438 void MappingTraits<MachO::ident_command>::mapping(
439     IO &IO, MachO::ident_command &LoadCommand) {}
440 
441 void MappingTraits<MachO::linkedit_data_command>::mapping(
442     IO &IO, MachO::linkedit_data_command &LoadCommand) {
443   IO.mapRequired("dataoff", LoadCommand.dataoff);
444   IO.mapRequired("datasize", LoadCommand.datasize);
445 }
446 
447 void MappingTraits<MachO::linker_option_command>::mapping(
448     IO &IO, MachO::linker_option_command &LoadCommand) {
449   IO.mapRequired("count", LoadCommand.count);
450 }
451 
452 void MappingTraits<MachO::prebind_cksum_command>::mapping(
453     IO &IO, MachO::prebind_cksum_command &LoadCommand) {
454   IO.mapRequired("cksum", LoadCommand.cksum);
455 }
456 
457 void MappingTraits<MachO::load_command>::mapping(
458     IO &IO, MachO::load_command &LoadCommand) {}
459 
460 void MappingTraits<MachO::prebound_dylib_command>::mapping(
461     IO &IO, MachO::prebound_dylib_command &LoadCommand) {
462   IO.mapRequired("name", LoadCommand.name);
463   IO.mapRequired("nmodules", LoadCommand.nmodules);
464   IO.mapRequired("linked_modules", LoadCommand.linked_modules);
465 }
466 
467 void MappingTraits<MachO::routines_command>::mapping(
468     IO &IO, MachO::routines_command &LoadCommand) {
469   IO.mapRequired("init_address", LoadCommand.init_address);
470   IO.mapRequired("init_module", LoadCommand.init_module);
471   IO.mapRequired("reserved1", LoadCommand.reserved1);
472   IO.mapRequired("reserved2", LoadCommand.reserved2);
473   IO.mapRequired("reserved3", LoadCommand.reserved3);
474   IO.mapRequired("reserved4", LoadCommand.reserved4);
475   IO.mapRequired("reserved5", LoadCommand.reserved5);
476   IO.mapRequired("reserved6", LoadCommand.reserved6);
477 }
478 
479 void MappingTraits<MachO::routines_command_64>::mapping(
480     IO &IO, MachO::routines_command_64 &LoadCommand) {
481   IO.mapRequired("init_address", LoadCommand.init_address);
482   IO.mapRequired("init_module", LoadCommand.init_module);
483   IO.mapRequired("reserved1", LoadCommand.reserved1);
484   IO.mapRequired("reserved2", LoadCommand.reserved2);
485   IO.mapRequired("reserved3", LoadCommand.reserved3);
486   IO.mapRequired("reserved4", LoadCommand.reserved4);
487   IO.mapRequired("reserved5", LoadCommand.reserved5);
488   IO.mapRequired("reserved6", LoadCommand.reserved6);
489 }
490 
491 void MappingTraits<MachO::rpath_command>::mapping(
492     IO &IO, MachO::rpath_command &LoadCommand) {
493   IO.mapRequired("path", LoadCommand.path);
494 }
495 
496 void MappingTraits<MachO::section>::mapping(IO &IO, MachO::section &Section) {
497   IO.mapRequired("sectname", Section.sectname);
498   IO.mapRequired("segname", Section.segname);
499   IO.mapRequired("addr", Section.addr);
500   IO.mapRequired("size", Section.size);
501   IO.mapRequired("offset", Section.offset);
502   IO.mapRequired("align", Section.align);
503   IO.mapRequired("reloff", Section.reloff);
504   IO.mapRequired("nreloc", Section.nreloc);
505   IO.mapRequired("flags", Section.flags);
506   IO.mapRequired("reserved1", Section.reserved1);
507   IO.mapRequired("reserved2", Section.reserved2);
508 }
509 
510 void MappingTraits<MachO::section_64>::mapping(IO &IO,
511                                                MachO::section_64 &Section) {
512   IO.mapRequired("sectname", Section.sectname);
513   IO.mapRequired("segname", Section.segname);
514   IO.mapRequired("addr", Section.addr);
515   IO.mapRequired("size", Section.size);
516   IO.mapRequired("offset", Section.offset);
517   IO.mapRequired("align", Section.align);
518   IO.mapRequired("reloff", Section.reloff);
519   IO.mapRequired("nreloc", Section.nreloc);
520   IO.mapRequired("flags", Section.flags);
521   IO.mapRequired("reserved1", Section.reserved1);
522   IO.mapRequired("reserved2", Section.reserved2);
523   IO.mapRequired("reserved3", Section.reserved3);
524 }
525 
526 void MappingTraits<MachO::segment_command>::mapping(
527     IO &IO, MachO::segment_command &LoadCommand) {
528   IO.mapRequired("segname", LoadCommand.segname);
529   IO.mapRequired("vmaddr", LoadCommand.vmaddr);
530   IO.mapRequired("vmsize", LoadCommand.vmsize);
531   IO.mapRequired("fileoff", LoadCommand.fileoff);
532   IO.mapRequired("filesize", LoadCommand.filesize);
533   IO.mapRequired("maxprot", LoadCommand.maxprot);
534   IO.mapRequired("initprot", LoadCommand.initprot);
535   IO.mapRequired("nsects", LoadCommand.nsects);
536   IO.mapRequired("flags", LoadCommand.flags);
537 }
538 
539 void MappingTraits<MachO::segment_command_64>::mapping(
540     IO &IO, MachO::segment_command_64 &LoadCommand) {
541   IO.mapRequired("segname", LoadCommand.segname);
542   IO.mapRequired("vmaddr", LoadCommand.vmaddr);
543   IO.mapRequired("vmsize", LoadCommand.vmsize);
544   IO.mapRequired("fileoff", LoadCommand.fileoff);
545   IO.mapRequired("filesize", LoadCommand.filesize);
546   IO.mapRequired("maxprot", LoadCommand.maxprot);
547   IO.mapRequired("initprot", LoadCommand.initprot);
548   IO.mapRequired("nsects", LoadCommand.nsects);
549   IO.mapRequired("flags", LoadCommand.flags);
550 }
551 
552 void MappingTraits<MachO::source_version_command>::mapping(
553     IO &IO, MachO::source_version_command &LoadCommand) {
554   IO.mapRequired("version", LoadCommand.version);
555 }
556 
557 void MappingTraits<MachO::sub_client_command>::mapping(
558     IO &IO, MachO::sub_client_command &LoadCommand) {
559   IO.mapRequired("client", LoadCommand.client);
560 }
561 
562 void MappingTraits<MachO::sub_framework_command>::mapping(
563     IO &IO, MachO::sub_framework_command &LoadCommand) {
564   IO.mapRequired("umbrella", LoadCommand.umbrella);
565 }
566 
567 void MappingTraits<MachO::sub_library_command>::mapping(
568     IO &IO, MachO::sub_library_command &LoadCommand) {
569   IO.mapRequired("sub_library", LoadCommand.sub_library);
570 }
571 
572 void MappingTraits<MachO::sub_umbrella_command>::mapping(
573     IO &IO, MachO::sub_umbrella_command &LoadCommand) {
574   IO.mapRequired("sub_umbrella", LoadCommand.sub_umbrella);
575 }
576 
577 void MappingTraits<MachO::symseg_command>::mapping(
578     IO &IO, MachO::symseg_command &LoadCommand) {
579   IO.mapRequired("offset", LoadCommand.offset);
580   IO.mapRequired("size", LoadCommand.size);
581 }
582 
583 void MappingTraits<MachO::symtab_command>::mapping(
584     IO &IO, MachO::symtab_command &LoadCommand) {
585   IO.mapRequired("symoff", LoadCommand.symoff);
586   IO.mapRequired("nsyms", LoadCommand.nsyms);
587   IO.mapRequired("stroff", LoadCommand.stroff);
588   IO.mapRequired("strsize", LoadCommand.strsize);
589 }
590 
591 void MappingTraits<MachO::thread_command>::mapping(
592     IO &IO, MachO::thread_command &LoadCommand) {}
593 
594 void MappingTraits<MachO::twolevel_hints_command>::mapping(
595     IO &IO, MachO::twolevel_hints_command &LoadCommand) {
596   IO.mapRequired("offset", LoadCommand.offset);
597   IO.mapRequired("nhints", LoadCommand.nhints);
598 }
599 
600 void MappingTraits<MachO::uuid_command>::mapping(
601     IO &IO, MachO::uuid_command &LoadCommand) {
602   IO.mapRequired("uuid", LoadCommand.uuid);
603 }
604 
605 void MappingTraits<MachO::version_min_command>::mapping(
606     IO &IO, MachO::version_min_command &LoadCommand) {
607   IO.mapRequired("version", LoadCommand.version);
608   IO.mapRequired("sdk", LoadCommand.sdk);
609 }
610 
611 void MappingTraits<MachO::note_command>::mapping(
612     IO &IO, MachO::note_command &LoadCommand) {
613   IO.mapRequired("data_owner", LoadCommand.data_owner);
614   IO.mapRequired("offset", LoadCommand.offset);
615   IO.mapRequired("size", LoadCommand.size);
616 }
617 
618 void MappingTraits<MachO::build_version_command>::mapping(
619     IO &IO, MachO::build_version_command &LoadCommand) {
620   IO.mapRequired("platform", LoadCommand.platform);
621   IO.mapRequired("minos", LoadCommand.minos);
622   IO.mapRequired("sdk", LoadCommand.sdk);
623   IO.mapRequired("ntools", LoadCommand.ntools);
624 }
625 
626 void MappingTraits<MachO::fileset_entry_command>::mapping(
627     IO &IO, MachO::fileset_entry_command &LoadCommand) {
628   IO.mapRequired("vmaddr", LoadCommand.vmaddr);
629   IO.mapRequired("fileoff", LoadCommand.fileoff);
630   IO.mapRequired("id", LoadCommand.entry_id);
631 }
632 
633 } // end namespace yaml
634 
635 } // end namespace llvm
636