xref: /freebsd/contrib/llvm-project/llvm/lib/ObjectYAML/MachOYAML.cpp (revision 9f44a47fd07924afc035991af15d84e6585dea4f) 
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 == RebaseOpcodes.size() + BindOpcodes.size() +
30                   WeakBindOpcodes.size() + LazyBindOpcodes.size() +
31                   ExportTrie.Children.size() + NameList.size() +
32                   StringTable.size() + FunctionStarts.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   Object.DWARF.Is64BitAddrSize = Object.Header.magic == MachO::MH_MAGIC_64 ||
111                                  Object.Header.magic == MachO::MH_CIGAM_64;
112   IO.mapOptional("LoadCommands", Object.LoadCommands);
113 
114   if (Object.RawLinkEditSegment || !IO.outputting())
115     IO.mapOptional("__LINKEDIT", Object.RawLinkEditSegment);
116   if(!Object.LinkEdit.isEmpty() || !IO.outputting())
117     IO.mapOptional("LinkEditData", Object.LinkEdit);
118 
119   if(!Object.DWARF.isEmpty() || !IO.outputting())
120     IO.mapOptional("DWARF", Object.DWARF);
121 
122   if (IO.getContext() == &Object)
123     IO.setContext(nullptr);
124 }
125 
126 void MappingTraits<MachOYAML::FatHeader>::mapping(
127     IO &IO, MachOYAML::FatHeader &FatHeader) {
128   IO.mapRequired("magic", FatHeader.magic);
129   IO.mapRequired("nfat_arch", FatHeader.nfat_arch);
130 }
131 
132 void MappingTraits<MachOYAML::FatArch>::mapping(IO &IO,
133                                                 MachOYAML::FatArch &FatArch) {
134   IO.mapRequired("cputype", FatArch.cputype);
135   IO.mapRequired("cpusubtype", FatArch.cpusubtype);
136   IO.mapRequired("offset", FatArch.offset);
137   IO.mapRequired("size", FatArch.size);
138   IO.mapRequired("align", FatArch.align);
139   IO.mapOptional("reserved", FatArch.reserved,
140                  static_cast<llvm::yaml::Hex32>(0));
141 }
142 
143 void MappingTraits<MachOYAML::UniversalBinary>::mapping(
144     IO &IO, MachOYAML::UniversalBinary &UniversalBinary) {
145   if (!IO.getContext()) {
146     IO.setContext(&UniversalBinary);
147     IO.mapTag("!fat-mach-o", true);
148   }
149   IO.mapRequired("FatHeader", UniversalBinary.Header);
150   IO.mapRequired("FatArchs", UniversalBinary.FatArchs);
151   IO.mapRequired("Slices", UniversalBinary.Slices);
152 
153   if (IO.getContext() == &UniversalBinary)
154     IO.setContext(nullptr);
155 }
156 
157 void MappingTraits<MachOYAML::LinkEditData>::mapping(
158     IO &IO, MachOYAML::LinkEditData &LinkEditData) {
159   IO.mapOptional("RebaseOpcodes", LinkEditData.RebaseOpcodes);
160   IO.mapOptional("BindOpcodes", LinkEditData.BindOpcodes);
161   IO.mapOptional("WeakBindOpcodes", LinkEditData.WeakBindOpcodes);
162   IO.mapOptional("LazyBindOpcodes", LinkEditData.LazyBindOpcodes);
163   if (!LinkEditData.ExportTrie.Children.empty() || !IO.outputting())
164     IO.mapOptional("ExportTrie", LinkEditData.ExportTrie);
165   IO.mapOptional("NameList", LinkEditData.NameList);
166   IO.mapOptional("StringTable", LinkEditData.StringTable);
167   IO.mapOptional("IndirectSymbols", LinkEditData.IndirectSymbols);
168   IO.mapOptional("FunctionStarts", LinkEditData.FunctionStarts);
169 }
170 
171 void MappingTraits<MachOYAML::RebaseOpcode>::mapping(
172     IO &IO, MachOYAML::RebaseOpcode &RebaseOpcode) {
173   IO.mapRequired("Opcode", RebaseOpcode.Opcode);
174   IO.mapRequired("Imm", RebaseOpcode.Imm);
175   IO.mapOptional("ExtraData", RebaseOpcode.ExtraData);
176 }
177 
178 void MappingTraits<MachOYAML::BindOpcode>::mapping(
179     IO &IO, MachOYAML::BindOpcode &BindOpcode) {
180   IO.mapRequired("Opcode", BindOpcode.Opcode);
181   IO.mapRequired("Imm", BindOpcode.Imm);
182   IO.mapOptional("ULEBExtraData", BindOpcode.ULEBExtraData);
183   IO.mapOptional("SLEBExtraData", BindOpcode.SLEBExtraData);
184   IO.mapOptional("Symbol", BindOpcode.Symbol);
185 }
186 
187 void MappingTraits<MachOYAML::ExportEntry>::mapping(
188     IO &IO, MachOYAML::ExportEntry &ExportEntry) {
189   IO.mapRequired("TerminalSize", ExportEntry.TerminalSize);
190   IO.mapOptional("NodeOffset", ExportEntry.NodeOffset);
191   IO.mapOptional("Name", ExportEntry.Name);
192   IO.mapOptional("Flags", ExportEntry.Flags);
193   IO.mapOptional("Address", ExportEntry.Address);
194   IO.mapOptional("Other", ExportEntry.Other);
195   IO.mapOptional("ImportName", ExportEntry.ImportName);
196   IO.mapOptional("Children", ExportEntry.Children);
197 }
198 
199 void MappingTraits<MachOYAML::NListEntry>::mapping(
200     IO &IO, MachOYAML::NListEntry &NListEntry) {
201   IO.mapRequired("n_strx", NListEntry.n_strx);
202   IO.mapRequired("n_type", NListEntry.n_type);
203   IO.mapRequired("n_sect", NListEntry.n_sect);
204   IO.mapRequired("n_desc", NListEntry.n_desc);
205   IO.mapRequired("n_value", NListEntry.n_value);
206 }
207 
208 template <typename StructType>
209 void mapLoadCommandData(IO &IO, MachOYAML::LoadCommand &LoadCommand) {}
210 
211 template <>
212 void mapLoadCommandData<MachO::segment_command>(
213     IO &IO, MachOYAML::LoadCommand &LoadCommand) {
214   IO.mapOptional("Sections", LoadCommand.Sections);
215 }
216 
217 template <>
218 void mapLoadCommandData<MachO::segment_command_64>(
219     IO &IO, MachOYAML::LoadCommand &LoadCommand) {
220   IO.mapOptional("Sections", LoadCommand.Sections);
221 }
222 
223 template <>
224 void mapLoadCommandData<MachO::dylib_command>(
225     IO &IO, MachOYAML::LoadCommand &LoadCommand) {
226   IO.mapOptional("Content", LoadCommand.Content);
227 }
228 
229 template <>
230 void mapLoadCommandData<MachO::rpath_command>(
231     IO &IO, MachOYAML::LoadCommand &LoadCommand) {
232   IO.mapOptional("Content", LoadCommand.Content);
233 }
234 
235 template <>
236 void mapLoadCommandData<MachO::dylinker_command>(
237     IO &IO, MachOYAML::LoadCommand &LoadCommand) {
238   IO.mapOptional("Content", LoadCommand.Content);
239 }
240 
241 template <>
242 void mapLoadCommandData<MachO::sub_framework_command>(
243     IO &IO, MachOYAML::LoadCommand &LoadCommand) {
244   IO.mapOptional("Content", LoadCommand.Content);
245 }
246 
247 template <>
248 void mapLoadCommandData<MachO::sub_umbrella_command>(
249     IO &IO, MachOYAML::LoadCommand &LoadCommand) {
250   IO.mapOptional("Content", LoadCommand.Content);
251 }
252 
253 template <>
254 void mapLoadCommandData<MachO::sub_client_command>(
255     IO &IO, MachOYAML::LoadCommand &LoadCommand) {
256   IO.mapOptional("Content", LoadCommand.Content);
257 }
258 
259 template <>
260 void mapLoadCommandData<MachO::sub_library_command>(
261     IO &IO, MachOYAML::LoadCommand &LoadCommand) {
262   IO.mapOptional("Content", LoadCommand.Content);
263 }
264 
265 template <>
266 void mapLoadCommandData<MachO::build_version_command>(
267     IO &IO, MachOYAML::LoadCommand &LoadCommand) {
268   IO.mapOptional("Tools", LoadCommand.Tools);
269 }
270 
271 void MappingTraits<MachOYAML::LoadCommand>::mapping(
272     IO &IO, MachOYAML::LoadCommand &LoadCommand) {
273   MachO::LoadCommandType TempCmd = static_cast<MachO::LoadCommandType>(
274       LoadCommand.Data.load_command_data.cmd);
275   IO.mapRequired("cmd", TempCmd);
276   LoadCommand.Data.load_command_data.cmd = TempCmd;
277   IO.mapRequired("cmdsize", LoadCommand.Data.load_command_data.cmdsize);
278 
279 #define HANDLE_LOAD_COMMAND(LCName, LCValue, LCStruct)                         \
280   case MachO::LCName:                                                          \
281     MappingTraits<MachO::LCStruct>::mapping(IO,                                \
282                                             LoadCommand.Data.LCStruct##_data); \
283     mapLoadCommandData<MachO::LCStruct>(IO, LoadCommand);                      \
284     break;
285 
286   switch (LoadCommand.Data.load_command_data.cmd) {
287 #include "llvm/BinaryFormat/MachO.def"
288   }
289   IO.mapOptional("PayloadBytes", LoadCommand.PayloadBytes);
290   IO.mapOptional("ZeroPadBytes", LoadCommand.ZeroPadBytes, (uint64_t)0ull);
291 }
292 
293 void MappingTraits<MachO::dyld_info_command>::mapping(
294     IO &IO, MachO::dyld_info_command &LoadCommand) {
295   IO.mapRequired("rebase_off", LoadCommand.rebase_off);
296   IO.mapRequired("rebase_size", LoadCommand.rebase_size);
297   IO.mapRequired("bind_off", LoadCommand.bind_off);
298   IO.mapRequired("bind_size", LoadCommand.bind_size);
299   IO.mapRequired("weak_bind_off", LoadCommand.weak_bind_off);
300   IO.mapRequired("weak_bind_size", LoadCommand.weak_bind_size);
301   IO.mapRequired("lazy_bind_off", LoadCommand.lazy_bind_off);
302   IO.mapRequired("lazy_bind_size", LoadCommand.lazy_bind_size);
303   IO.mapRequired("export_off", LoadCommand.export_off);
304   IO.mapRequired("export_size", LoadCommand.export_size);
305 }
306 
307 void MappingTraits<MachOYAML::Relocation>::mapping(
308     IO &IO, MachOYAML::Relocation &Relocation) {
309   IO.mapRequired("address", Relocation.address);
310   IO.mapRequired("symbolnum", Relocation.symbolnum);
311   IO.mapRequired("pcrel", Relocation.is_pcrel);
312   IO.mapRequired("length", Relocation.length);
313   IO.mapRequired("extern", Relocation.is_extern);
314   IO.mapRequired("type", Relocation.type);
315   IO.mapRequired("scattered", Relocation.is_scattered);
316   IO.mapRequired("value", Relocation.value);
317 }
318 
319 void MappingTraits<MachOYAML::Section>::mapping(IO &IO,
320                                                 MachOYAML::Section &Section) {
321   IO.mapRequired("sectname", Section.sectname);
322   IO.mapRequired("segname", Section.segname);
323   IO.mapRequired("addr", Section.addr);
324   IO.mapRequired("size", Section.size);
325   IO.mapRequired("offset", Section.offset);
326   IO.mapRequired("align", Section.align);
327   IO.mapRequired("reloff", Section.reloff);
328   IO.mapRequired("nreloc", Section.nreloc);
329   IO.mapRequired("flags", Section.flags);
330   IO.mapRequired("reserved1", Section.reserved1);
331   IO.mapRequired("reserved2", Section.reserved2);
332   IO.mapOptional("reserved3", Section.reserved3);
333   IO.mapOptional("content", Section.content);
334   IO.mapOptional("relocations", Section.relocations);
335 }
336 
337 std::string
338 MappingTraits<MachOYAML::Section>::validate(IO &IO,
339                                             MachOYAML::Section &Section) {
340   if (Section.content && Section.size < Section.content->binary_size())
341     return "Section size must be greater than or equal to the content size";
342   return "";
343 }
344 
345 void MappingTraits<MachO::build_tool_version>::mapping(
346     IO &IO, MachO::build_tool_version &tool) {
347   IO.mapRequired("tool", tool.tool);
348   IO.mapRequired("version", tool.version);
349 }
350 
351 void MappingTraits<MachO::dylib>::mapping(IO &IO, MachO::dylib &DylibStruct) {
352   IO.mapRequired("name", DylibStruct.name);
353   IO.mapRequired("timestamp", DylibStruct.timestamp);
354   IO.mapRequired("current_version", DylibStruct.current_version);
355   IO.mapRequired("compatibility_version", DylibStruct.compatibility_version);
356 }
357 
358 void MappingTraits<MachO::dylib_command>::mapping(
359     IO &IO, MachO::dylib_command &LoadCommand) {
360   IO.mapRequired("dylib", LoadCommand.dylib);
361 }
362 
363 void MappingTraits<MachO::dylinker_command>::mapping(
364     IO &IO, MachO::dylinker_command &LoadCommand) {
365   IO.mapRequired("name", LoadCommand.name);
366 }
367 
368 void MappingTraits<MachO::dysymtab_command>::mapping(
369     IO &IO, MachO::dysymtab_command &LoadCommand) {
370   IO.mapRequired("ilocalsym", LoadCommand.ilocalsym);
371   IO.mapRequired("nlocalsym", LoadCommand.nlocalsym);
372   IO.mapRequired("iextdefsym", LoadCommand.iextdefsym);
373   IO.mapRequired("nextdefsym", LoadCommand.nextdefsym);
374   IO.mapRequired("iundefsym", LoadCommand.iundefsym);
375   IO.mapRequired("nundefsym", LoadCommand.nundefsym);
376   IO.mapRequired("tocoff", LoadCommand.tocoff);
377   IO.mapRequired("ntoc", LoadCommand.ntoc);
378   IO.mapRequired("modtaboff", LoadCommand.modtaboff);
379   IO.mapRequired("nmodtab", LoadCommand.nmodtab);
380   IO.mapRequired("extrefsymoff", LoadCommand.extrefsymoff);
381   IO.mapRequired("nextrefsyms", LoadCommand.nextrefsyms);
382   IO.mapRequired("indirectsymoff", LoadCommand.indirectsymoff);
383   IO.mapRequired("nindirectsyms", LoadCommand.nindirectsyms);
384   IO.mapRequired("extreloff", LoadCommand.extreloff);
385   IO.mapRequired("nextrel", LoadCommand.nextrel);
386   IO.mapRequired("locreloff", LoadCommand.locreloff);
387   IO.mapRequired("nlocrel", LoadCommand.nlocrel);
388 }
389 
390 void MappingTraits<MachO::encryption_info_command>::mapping(
391     IO &IO, MachO::encryption_info_command &LoadCommand) {
392   IO.mapRequired("cryptoff", LoadCommand.cryptoff);
393   IO.mapRequired("cryptsize", LoadCommand.cryptsize);
394   IO.mapRequired("cryptid", LoadCommand.cryptid);
395 }
396 
397 void MappingTraits<MachO::encryption_info_command_64>::mapping(
398     IO &IO, MachO::encryption_info_command_64 &LoadCommand) {
399   IO.mapRequired("cryptoff", LoadCommand.cryptoff);
400   IO.mapRequired("cryptsize", LoadCommand.cryptsize);
401   IO.mapRequired("cryptid", LoadCommand.cryptid);
402   IO.mapRequired("pad", LoadCommand.pad);
403 }
404 
405 void MappingTraits<MachO::entry_point_command>::mapping(
406     IO &IO, MachO::entry_point_command &LoadCommand) {
407   IO.mapRequired("entryoff", LoadCommand.entryoff);
408   IO.mapRequired("stacksize", LoadCommand.stacksize);
409 }
410 
411 void MappingTraits<MachO::fvmfile_command>::mapping(
412     IO &IO, MachO::fvmfile_command &LoadCommand) {
413   IO.mapRequired("name", LoadCommand.name);
414   IO.mapRequired("header_addr", LoadCommand.header_addr);
415 }
416 
417 void MappingTraits<MachO::fvmlib>::mapping(IO &IO, MachO::fvmlib &FVMLib) {
418   IO.mapRequired("name", FVMLib.name);
419   IO.mapRequired("minor_version", FVMLib.minor_version);
420   IO.mapRequired("header_addr", FVMLib.header_addr);
421 }
422 
423 void MappingTraits<MachO::fvmlib_command>::mapping(
424     IO &IO, MachO::fvmlib_command &LoadCommand) {
425   IO.mapRequired("fvmlib", LoadCommand.fvmlib);
426 }
427 
428 void MappingTraits<MachO::ident_command>::mapping(
429     IO &IO, MachO::ident_command &LoadCommand) {}
430 
431 void MappingTraits<MachO::linkedit_data_command>::mapping(
432     IO &IO, MachO::linkedit_data_command &LoadCommand) {
433   IO.mapRequired("dataoff", LoadCommand.dataoff);
434   IO.mapRequired("datasize", LoadCommand.datasize);
435 }
436 
437 void MappingTraits<MachO::linker_option_command>::mapping(
438     IO &IO, MachO::linker_option_command &LoadCommand) {
439   IO.mapRequired("count", LoadCommand.count);
440 }
441 
442 void MappingTraits<MachO::prebind_cksum_command>::mapping(
443     IO &IO, MachO::prebind_cksum_command &LoadCommand) {
444   IO.mapRequired("cksum", LoadCommand.cksum);
445 }
446 
447 void MappingTraits<MachO::load_command>::mapping(
448     IO &IO, MachO::load_command &LoadCommand) {}
449 
450 void MappingTraits<MachO::prebound_dylib_command>::mapping(
451     IO &IO, MachO::prebound_dylib_command &LoadCommand) {
452   IO.mapRequired("name", LoadCommand.name);
453   IO.mapRequired("nmodules", LoadCommand.nmodules);
454   IO.mapRequired("linked_modules", LoadCommand.linked_modules);
455 }
456 
457 void MappingTraits<MachO::routines_command>::mapping(
458     IO &IO, MachO::routines_command &LoadCommand) {
459   IO.mapRequired("init_address", LoadCommand.init_address);
460   IO.mapRequired("init_module", LoadCommand.init_module);
461   IO.mapRequired("reserved1", LoadCommand.reserved1);
462   IO.mapRequired("reserved2", LoadCommand.reserved2);
463   IO.mapRequired("reserved3", LoadCommand.reserved3);
464   IO.mapRequired("reserved4", LoadCommand.reserved4);
465   IO.mapRequired("reserved5", LoadCommand.reserved5);
466   IO.mapRequired("reserved6", LoadCommand.reserved6);
467 }
468 
469 void MappingTraits<MachO::routines_command_64>::mapping(
470     IO &IO, MachO::routines_command_64 &LoadCommand) {
471   IO.mapRequired("init_address", LoadCommand.init_address);
472   IO.mapRequired("init_module", LoadCommand.init_module);
473   IO.mapRequired("reserved1", LoadCommand.reserved1);
474   IO.mapRequired("reserved2", LoadCommand.reserved2);
475   IO.mapRequired("reserved3", LoadCommand.reserved3);
476   IO.mapRequired("reserved4", LoadCommand.reserved4);
477   IO.mapRequired("reserved5", LoadCommand.reserved5);
478   IO.mapRequired("reserved6", LoadCommand.reserved6);
479 }
480 
481 void MappingTraits<MachO::rpath_command>::mapping(
482     IO &IO, MachO::rpath_command &LoadCommand) {
483   IO.mapRequired("path", LoadCommand.path);
484 }
485 
486 void MappingTraits<MachO::section>::mapping(IO &IO, MachO::section &Section) {
487   IO.mapRequired("sectname", Section.sectname);
488   IO.mapRequired("segname", Section.segname);
489   IO.mapRequired("addr", Section.addr);
490   IO.mapRequired("size", Section.size);
491   IO.mapRequired("offset", Section.offset);
492   IO.mapRequired("align", Section.align);
493   IO.mapRequired("reloff", Section.reloff);
494   IO.mapRequired("nreloc", Section.nreloc);
495   IO.mapRequired("flags", Section.flags);
496   IO.mapRequired("reserved1", Section.reserved1);
497   IO.mapRequired("reserved2", Section.reserved2);
498 }
499 
500 void MappingTraits<MachO::section_64>::mapping(IO &IO,
501                                                MachO::section_64 &Section) {
502   IO.mapRequired("sectname", Section.sectname);
503   IO.mapRequired("segname", Section.segname);
504   IO.mapRequired("addr", Section.addr);
505   IO.mapRequired("size", Section.size);
506   IO.mapRequired("offset", Section.offset);
507   IO.mapRequired("align", Section.align);
508   IO.mapRequired("reloff", Section.reloff);
509   IO.mapRequired("nreloc", Section.nreloc);
510   IO.mapRequired("flags", Section.flags);
511   IO.mapRequired("reserved1", Section.reserved1);
512   IO.mapRequired("reserved2", Section.reserved2);
513   IO.mapRequired("reserved3", Section.reserved3);
514 }
515 
516 void MappingTraits<MachO::segment_command>::mapping(
517     IO &IO, MachO::segment_command &LoadCommand) {
518   IO.mapRequired("segname", LoadCommand.segname);
519   IO.mapRequired("vmaddr", LoadCommand.vmaddr);
520   IO.mapRequired("vmsize", LoadCommand.vmsize);
521   IO.mapRequired("fileoff", LoadCommand.fileoff);
522   IO.mapRequired("filesize", LoadCommand.filesize);
523   IO.mapRequired("maxprot", LoadCommand.maxprot);
524   IO.mapRequired("initprot", LoadCommand.initprot);
525   IO.mapRequired("nsects", LoadCommand.nsects);
526   IO.mapRequired("flags", LoadCommand.flags);
527 }
528 
529 void MappingTraits<MachO::segment_command_64>::mapping(
530     IO &IO, MachO::segment_command_64 &LoadCommand) {
531   IO.mapRequired("segname", LoadCommand.segname);
532   IO.mapRequired("vmaddr", LoadCommand.vmaddr);
533   IO.mapRequired("vmsize", LoadCommand.vmsize);
534   IO.mapRequired("fileoff", LoadCommand.fileoff);
535   IO.mapRequired("filesize", LoadCommand.filesize);
536   IO.mapRequired("maxprot", LoadCommand.maxprot);
537   IO.mapRequired("initprot", LoadCommand.initprot);
538   IO.mapRequired("nsects", LoadCommand.nsects);
539   IO.mapRequired("flags", LoadCommand.flags);
540 }
541 
542 void MappingTraits<MachO::source_version_command>::mapping(
543     IO &IO, MachO::source_version_command &LoadCommand) {
544   IO.mapRequired("version", LoadCommand.version);
545 }
546 
547 void MappingTraits<MachO::sub_client_command>::mapping(
548     IO &IO, MachO::sub_client_command &LoadCommand) {
549   IO.mapRequired("client", LoadCommand.client);
550 }
551 
552 void MappingTraits<MachO::sub_framework_command>::mapping(
553     IO &IO, MachO::sub_framework_command &LoadCommand) {
554   IO.mapRequired("umbrella", LoadCommand.umbrella);
555 }
556 
557 void MappingTraits<MachO::sub_library_command>::mapping(
558     IO &IO, MachO::sub_library_command &LoadCommand) {
559   IO.mapRequired("sub_library", LoadCommand.sub_library);
560 }
561 
562 void MappingTraits<MachO::sub_umbrella_command>::mapping(
563     IO &IO, MachO::sub_umbrella_command &LoadCommand) {
564   IO.mapRequired("sub_umbrella", LoadCommand.sub_umbrella);
565 }
566 
567 void MappingTraits<MachO::symseg_command>::mapping(
568     IO &IO, MachO::symseg_command &LoadCommand) {
569   IO.mapRequired("offset", LoadCommand.offset);
570   IO.mapRequired("size", LoadCommand.size);
571 }
572 
573 void MappingTraits<MachO::symtab_command>::mapping(
574     IO &IO, MachO::symtab_command &LoadCommand) {
575   IO.mapRequired("symoff", LoadCommand.symoff);
576   IO.mapRequired("nsyms", LoadCommand.nsyms);
577   IO.mapRequired("stroff", LoadCommand.stroff);
578   IO.mapRequired("strsize", LoadCommand.strsize);
579 }
580 
581 void MappingTraits<MachO::thread_command>::mapping(
582     IO &IO, MachO::thread_command &LoadCommand) {}
583 
584 void MappingTraits<MachO::twolevel_hints_command>::mapping(
585     IO &IO, MachO::twolevel_hints_command &LoadCommand) {
586   IO.mapRequired("offset", LoadCommand.offset);
587   IO.mapRequired("nhints", LoadCommand.nhints);
588 }
589 
590 void MappingTraits<MachO::uuid_command>::mapping(
591     IO &IO, MachO::uuid_command &LoadCommand) {
592   IO.mapRequired("uuid", LoadCommand.uuid);
593 }
594 
595 void MappingTraits<MachO::version_min_command>::mapping(
596     IO &IO, MachO::version_min_command &LoadCommand) {
597   IO.mapRequired("version", LoadCommand.version);
598   IO.mapRequired("sdk", LoadCommand.sdk);
599 }
600 
601 void MappingTraits<MachO::note_command>::mapping(
602     IO &IO, MachO::note_command &LoadCommand) {
603   IO.mapRequired("data_owner", LoadCommand.data_owner);
604   IO.mapRequired("offset", LoadCommand.offset);
605   IO.mapRequired("size", LoadCommand.size);
606 }
607 
608 void MappingTraits<MachO::build_version_command>::mapping(
609     IO &IO, MachO::build_version_command &LoadCommand) {
610   IO.mapRequired("platform", LoadCommand.platform);
611   IO.mapRequired("minos", LoadCommand.minos);
612   IO.mapRequired("sdk", LoadCommand.sdk);
613   IO.mapRequired("ntools", LoadCommand.ntools);
614 }
615 
616 } // end namespace yaml
617 
618 } // end namespace llvm
619