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