1 //===- COFFYAML.cpp - COFF 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 COFF.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "llvm/ObjectYAML/COFFYAML.h"
15 #include "llvm/ADT/StringRef.h"
16 #include "llvm/Support/YAMLTraits.h"
17 #include <cstdint>
18 #include <cstring>
19 
20 #define ECase(X) IO.enumCase(Value, #X, COFF::X);
21 
22 namespace llvm {
23 
24 namespace COFFYAML {
25 
26 Section::Section() { memset(&Header, 0, sizeof(COFF::section)); }
27 Symbol::Symbol() { memset(&Header, 0, sizeof(COFF::symbol)); }
28 Object::Object() { memset(&Header, 0, sizeof(COFF::header)); }
29 
30 } // end namespace COFFYAML
31 
32 namespace yaml {
33 
34 void ScalarEnumerationTraits<COFFYAML::COMDATType>::enumeration(
35     IO &IO, COFFYAML::COMDATType &Value) {
36   IO.enumCase(Value, "0", 0);
37   ECase(IMAGE_COMDAT_SELECT_NODUPLICATES);
38   ECase(IMAGE_COMDAT_SELECT_ANY);
39   ECase(IMAGE_COMDAT_SELECT_SAME_SIZE);
40   ECase(IMAGE_COMDAT_SELECT_EXACT_MATCH);
41   ECase(IMAGE_COMDAT_SELECT_ASSOCIATIVE);
42   ECase(IMAGE_COMDAT_SELECT_LARGEST);
43   ECase(IMAGE_COMDAT_SELECT_NEWEST);
44 }
45 
46 void
47 ScalarEnumerationTraits<COFFYAML::WeakExternalCharacteristics>::enumeration(
48     IO &IO, COFFYAML::WeakExternalCharacteristics &Value) {
49   IO.enumCase(Value, "0", 0);
50   ECase(IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY);
51   ECase(IMAGE_WEAK_EXTERN_SEARCH_LIBRARY);
52   ECase(IMAGE_WEAK_EXTERN_SEARCH_ALIAS);
53 }
54 
55 void ScalarEnumerationTraits<COFFYAML::AuxSymbolType>::enumeration(
56     IO &IO, COFFYAML::AuxSymbolType &Value) {
57   ECase(IMAGE_AUX_SYMBOL_TYPE_TOKEN_DEF);
58 }
59 
60 void ScalarEnumerationTraits<COFF::MachineTypes>::enumeration(
61     IO &IO, COFF::MachineTypes &Value) {
62   ECase(IMAGE_FILE_MACHINE_UNKNOWN);
63   ECase(IMAGE_FILE_MACHINE_AM33);
64   ECase(IMAGE_FILE_MACHINE_AMD64);
65   ECase(IMAGE_FILE_MACHINE_ARM);
66   ECase(IMAGE_FILE_MACHINE_ARMNT);
67   ECase(IMAGE_FILE_MACHINE_ARM64);
68   ECase(IMAGE_FILE_MACHINE_EBC);
69   ECase(IMAGE_FILE_MACHINE_I386);
70   ECase(IMAGE_FILE_MACHINE_IA64);
71   ECase(IMAGE_FILE_MACHINE_M32R);
72   ECase(IMAGE_FILE_MACHINE_MIPS16);
73   ECase(IMAGE_FILE_MACHINE_MIPSFPU);
74   ECase(IMAGE_FILE_MACHINE_MIPSFPU16);
75   ECase(IMAGE_FILE_MACHINE_POWERPC);
76   ECase(IMAGE_FILE_MACHINE_POWERPCFP);
77   ECase(IMAGE_FILE_MACHINE_R4000);
78   ECase(IMAGE_FILE_MACHINE_SH3);
79   ECase(IMAGE_FILE_MACHINE_SH3DSP);
80   ECase(IMAGE_FILE_MACHINE_SH4);
81   ECase(IMAGE_FILE_MACHINE_SH5);
82   ECase(IMAGE_FILE_MACHINE_THUMB);
83   ECase(IMAGE_FILE_MACHINE_WCEMIPSV2);
84 }
85 
86 void ScalarEnumerationTraits<COFF::SymbolBaseType>::enumeration(
87     IO &IO, COFF::SymbolBaseType &Value) {
88   ECase(IMAGE_SYM_TYPE_NULL);
89   ECase(IMAGE_SYM_TYPE_VOID);
90   ECase(IMAGE_SYM_TYPE_CHAR);
91   ECase(IMAGE_SYM_TYPE_SHORT);
92   ECase(IMAGE_SYM_TYPE_INT);
93   ECase(IMAGE_SYM_TYPE_LONG);
94   ECase(IMAGE_SYM_TYPE_FLOAT);
95   ECase(IMAGE_SYM_TYPE_DOUBLE);
96   ECase(IMAGE_SYM_TYPE_STRUCT);
97   ECase(IMAGE_SYM_TYPE_UNION);
98   ECase(IMAGE_SYM_TYPE_ENUM);
99   ECase(IMAGE_SYM_TYPE_MOE);
100   ECase(IMAGE_SYM_TYPE_BYTE);
101   ECase(IMAGE_SYM_TYPE_WORD);
102   ECase(IMAGE_SYM_TYPE_UINT);
103   ECase(IMAGE_SYM_TYPE_DWORD);
104 }
105 
106 void ScalarEnumerationTraits<COFF::SymbolStorageClass>::enumeration(
107     IO &IO, COFF::SymbolStorageClass &Value) {
108   ECase(IMAGE_SYM_CLASS_END_OF_FUNCTION);
109   ECase(IMAGE_SYM_CLASS_NULL);
110   ECase(IMAGE_SYM_CLASS_AUTOMATIC);
111   ECase(IMAGE_SYM_CLASS_EXTERNAL);
112   ECase(IMAGE_SYM_CLASS_STATIC);
113   ECase(IMAGE_SYM_CLASS_REGISTER);
114   ECase(IMAGE_SYM_CLASS_EXTERNAL_DEF);
115   ECase(IMAGE_SYM_CLASS_LABEL);
116   ECase(IMAGE_SYM_CLASS_UNDEFINED_LABEL);
117   ECase(IMAGE_SYM_CLASS_MEMBER_OF_STRUCT);
118   ECase(IMAGE_SYM_CLASS_ARGUMENT);
119   ECase(IMAGE_SYM_CLASS_STRUCT_TAG);
120   ECase(IMAGE_SYM_CLASS_MEMBER_OF_UNION);
121   ECase(IMAGE_SYM_CLASS_UNION_TAG);
122   ECase(IMAGE_SYM_CLASS_TYPE_DEFINITION);
123   ECase(IMAGE_SYM_CLASS_UNDEFINED_STATIC);
124   ECase(IMAGE_SYM_CLASS_ENUM_TAG);
125   ECase(IMAGE_SYM_CLASS_MEMBER_OF_ENUM);
126   ECase(IMAGE_SYM_CLASS_REGISTER_PARAM);
127   ECase(IMAGE_SYM_CLASS_BIT_FIELD);
128   ECase(IMAGE_SYM_CLASS_BLOCK);
129   ECase(IMAGE_SYM_CLASS_FUNCTION);
130   ECase(IMAGE_SYM_CLASS_END_OF_STRUCT);
131   ECase(IMAGE_SYM_CLASS_FILE);
132   ECase(IMAGE_SYM_CLASS_SECTION);
133   ECase(IMAGE_SYM_CLASS_WEAK_EXTERNAL);
134   ECase(IMAGE_SYM_CLASS_CLR_TOKEN);
135 }
136 
137 void ScalarEnumerationTraits<COFF::SymbolComplexType>::enumeration(
138     IO &IO, COFF::SymbolComplexType &Value) {
139   ECase(IMAGE_SYM_DTYPE_NULL);
140   ECase(IMAGE_SYM_DTYPE_POINTER);
141   ECase(IMAGE_SYM_DTYPE_FUNCTION);
142   ECase(IMAGE_SYM_DTYPE_ARRAY);
143 }
144 
145 void ScalarEnumerationTraits<COFF::RelocationTypeI386>::enumeration(
146     IO &IO, COFF::RelocationTypeI386 &Value) {
147   ECase(IMAGE_REL_I386_ABSOLUTE);
148   ECase(IMAGE_REL_I386_DIR16);
149   ECase(IMAGE_REL_I386_REL16);
150   ECase(IMAGE_REL_I386_DIR32);
151   ECase(IMAGE_REL_I386_DIR32NB);
152   ECase(IMAGE_REL_I386_SEG12);
153   ECase(IMAGE_REL_I386_SECTION);
154   ECase(IMAGE_REL_I386_SECREL);
155   ECase(IMAGE_REL_I386_TOKEN);
156   ECase(IMAGE_REL_I386_SECREL7);
157   ECase(IMAGE_REL_I386_REL32);
158 }
159 
160 void ScalarEnumerationTraits<COFF::RelocationTypeAMD64>::enumeration(
161     IO &IO, COFF::RelocationTypeAMD64 &Value) {
162   ECase(IMAGE_REL_AMD64_ABSOLUTE);
163   ECase(IMAGE_REL_AMD64_ADDR64);
164   ECase(IMAGE_REL_AMD64_ADDR32);
165   ECase(IMAGE_REL_AMD64_ADDR32NB);
166   ECase(IMAGE_REL_AMD64_REL32);
167   ECase(IMAGE_REL_AMD64_REL32_1);
168   ECase(IMAGE_REL_AMD64_REL32_2);
169   ECase(IMAGE_REL_AMD64_REL32_3);
170   ECase(IMAGE_REL_AMD64_REL32_4);
171   ECase(IMAGE_REL_AMD64_REL32_5);
172   ECase(IMAGE_REL_AMD64_SECTION);
173   ECase(IMAGE_REL_AMD64_SECREL);
174   ECase(IMAGE_REL_AMD64_SECREL7);
175   ECase(IMAGE_REL_AMD64_TOKEN);
176   ECase(IMAGE_REL_AMD64_SREL32);
177   ECase(IMAGE_REL_AMD64_PAIR);
178   ECase(IMAGE_REL_AMD64_SSPAN32);
179 }
180 
181 void ScalarEnumerationTraits<COFF::WindowsSubsystem>::enumeration(
182     IO &IO, COFF::WindowsSubsystem &Value) {
183   ECase(IMAGE_SUBSYSTEM_UNKNOWN);
184   ECase(IMAGE_SUBSYSTEM_NATIVE);
185   ECase(IMAGE_SUBSYSTEM_WINDOWS_GUI);
186   ECase(IMAGE_SUBSYSTEM_WINDOWS_CUI);
187   ECase(IMAGE_SUBSYSTEM_OS2_CUI);
188   ECase(IMAGE_SUBSYSTEM_POSIX_CUI);
189   ECase(IMAGE_SUBSYSTEM_NATIVE_WINDOWS);
190   ECase(IMAGE_SUBSYSTEM_WINDOWS_CE_GUI);
191   ECase(IMAGE_SUBSYSTEM_EFI_APPLICATION);
192   ECase(IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER);
193   ECase(IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER);
194   ECase(IMAGE_SUBSYSTEM_EFI_ROM);
195   ECase(IMAGE_SUBSYSTEM_XBOX);
196   ECase(IMAGE_SUBSYSTEM_WINDOWS_BOOT_APPLICATION);
197 }
198 #undef ECase
199 
200 #define BCase(X) IO.bitSetCase(Value, #X, COFF::X);
201 void ScalarBitSetTraits<COFF::Characteristics>::bitset(
202     IO &IO, COFF::Characteristics &Value) {
203   BCase(IMAGE_FILE_RELOCS_STRIPPED);
204   BCase(IMAGE_FILE_EXECUTABLE_IMAGE);
205   BCase(IMAGE_FILE_LINE_NUMS_STRIPPED);
206   BCase(IMAGE_FILE_LOCAL_SYMS_STRIPPED);
207   BCase(IMAGE_FILE_AGGRESSIVE_WS_TRIM);
208   BCase(IMAGE_FILE_LARGE_ADDRESS_AWARE);
209   BCase(IMAGE_FILE_BYTES_REVERSED_LO);
210   BCase(IMAGE_FILE_32BIT_MACHINE);
211   BCase(IMAGE_FILE_DEBUG_STRIPPED);
212   BCase(IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP);
213   BCase(IMAGE_FILE_NET_RUN_FROM_SWAP);
214   BCase(IMAGE_FILE_SYSTEM);
215   BCase(IMAGE_FILE_DLL);
216   BCase(IMAGE_FILE_UP_SYSTEM_ONLY);
217   BCase(IMAGE_FILE_BYTES_REVERSED_HI);
218 }
219 
220 void ScalarBitSetTraits<COFF::SectionCharacteristics>::bitset(
221     IO &IO, COFF::SectionCharacteristics &Value) {
222   BCase(IMAGE_SCN_TYPE_NOLOAD);
223   BCase(IMAGE_SCN_TYPE_NO_PAD);
224   BCase(IMAGE_SCN_CNT_CODE);
225   BCase(IMAGE_SCN_CNT_INITIALIZED_DATA);
226   BCase(IMAGE_SCN_CNT_UNINITIALIZED_DATA);
227   BCase(IMAGE_SCN_LNK_OTHER);
228   BCase(IMAGE_SCN_LNK_INFO);
229   BCase(IMAGE_SCN_LNK_REMOVE);
230   BCase(IMAGE_SCN_LNK_COMDAT);
231   BCase(IMAGE_SCN_GPREL);
232   BCase(IMAGE_SCN_MEM_PURGEABLE);
233   BCase(IMAGE_SCN_MEM_16BIT);
234   BCase(IMAGE_SCN_MEM_LOCKED);
235   BCase(IMAGE_SCN_MEM_PRELOAD);
236   BCase(IMAGE_SCN_LNK_NRELOC_OVFL);
237   BCase(IMAGE_SCN_MEM_DISCARDABLE);
238   BCase(IMAGE_SCN_MEM_NOT_CACHED);
239   BCase(IMAGE_SCN_MEM_NOT_PAGED);
240   BCase(IMAGE_SCN_MEM_SHARED);
241   BCase(IMAGE_SCN_MEM_EXECUTE);
242   BCase(IMAGE_SCN_MEM_READ);
243   BCase(IMAGE_SCN_MEM_WRITE);
244 }
245 
246 void ScalarBitSetTraits<COFF::DLLCharacteristics>::bitset(
247     IO &IO, COFF::DLLCharacteristics &Value) {
248   BCase(IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA);
249   BCase(IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE);
250   BCase(IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY);
251   BCase(IMAGE_DLL_CHARACTERISTICS_NX_COMPAT);
252   BCase(IMAGE_DLL_CHARACTERISTICS_NO_ISOLATION);
253   BCase(IMAGE_DLL_CHARACTERISTICS_NO_SEH);
254   BCase(IMAGE_DLL_CHARACTERISTICS_NO_BIND);
255   BCase(IMAGE_DLL_CHARACTERISTICS_APPCONTAINER);
256   BCase(IMAGE_DLL_CHARACTERISTICS_WDM_DRIVER);
257   BCase(IMAGE_DLL_CHARACTERISTICS_GUARD_CF);
258   BCase(IMAGE_DLL_CHARACTERISTICS_TERMINAL_SERVER_AWARE);
259 }
260 #undef BCase
261 
262 namespace {
263 
264 struct NSectionSelectionType {
265   NSectionSelectionType(IO &)
266       : SelectionType(COFFYAML::COMDATType(0)) {}
267   NSectionSelectionType(IO &, uint8_t C)
268       : SelectionType(COFFYAML::COMDATType(C)) {}
269 
270   uint8_t denormalize(IO &) { return SelectionType; }
271 
272   COFFYAML::COMDATType SelectionType;
273 };
274 
275 struct NWeakExternalCharacteristics {
276   NWeakExternalCharacteristics(IO &)
277       : Characteristics(COFFYAML::WeakExternalCharacteristics(0)) {}
278   NWeakExternalCharacteristics(IO &, uint32_t C)
279       : Characteristics(COFFYAML::WeakExternalCharacteristics(C)) {}
280 
281   uint32_t denormalize(IO &) { return Characteristics; }
282 
283   COFFYAML::WeakExternalCharacteristics Characteristics;
284 };
285 
286 struct NSectionCharacteristics {
287   NSectionCharacteristics(IO &)
288       : Characteristics(COFF::SectionCharacteristics(0)) {}
289   NSectionCharacteristics(IO &, uint32_t C)
290       : Characteristics(COFF::SectionCharacteristics(C)) {}
291 
292   uint32_t denormalize(IO &) { return Characteristics; }
293 
294   COFF::SectionCharacteristics Characteristics;
295 };
296 
297 struct NAuxTokenType {
298   NAuxTokenType(IO &)
299       : AuxType(COFFYAML::AuxSymbolType(0)) {}
300   NAuxTokenType(IO &, uint8_t C)
301       : AuxType(COFFYAML::AuxSymbolType(C)) {}
302 
303   uint32_t denormalize(IO &) { return AuxType; }
304 
305   COFFYAML::AuxSymbolType AuxType;
306 };
307 
308 struct NStorageClass {
309   NStorageClass(IO &) : StorageClass(COFF::SymbolStorageClass(0)) {}
310   NStorageClass(IO &, uint8_t S) : StorageClass(COFF::SymbolStorageClass(S)) {}
311 
312   uint8_t denormalize(IO &) { return StorageClass; }
313 
314   COFF::SymbolStorageClass StorageClass;
315 };
316 
317 struct NMachine {
318   NMachine(IO &) : Machine(COFF::MachineTypes(0)) {}
319   NMachine(IO &, uint16_t M) : Machine(COFF::MachineTypes(M)) {}
320 
321   uint16_t denormalize(IO &) { return Machine; }
322 
323   COFF::MachineTypes Machine;
324 };
325 
326 struct NHeaderCharacteristics {
327   NHeaderCharacteristics(IO &) : Characteristics(COFF::Characteristics(0)) {}
328   NHeaderCharacteristics(IO &, uint16_t C)
329       : Characteristics(COFF::Characteristics(C)) {}
330 
331   uint16_t denormalize(IO &) { return Characteristics; }
332 
333   COFF::Characteristics Characteristics;
334 };
335 
336 template <typename RelocType>
337 struct NType {
338   NType(IO &) : Type(RelocType(0)) {}
339   NType(IO &, uint16_t T) : Type(RelocType(T)) {}
340 
341   uint16_t denormalize(IO &) { return Type; }
342 
343   RelocType Type;
344 };
345 
346 struct NWindowsSubsystem {
347   NWindowsSubsystem(IO &) : Subsystem(COFF::WindowsSubsystem(0)) {}
348   NWindowsSubsystem(IO &, uint16_t C) : Subsystem(COFF::WindowsSubsystem(C)) {}
349 
350   uint16_t denormalize(IO &) { return Subsystem; }
351 
352   COFF::WindowsSubsystem Subsystem;
353 };
354 
355 struct NDLLCharacteristics {
356   NDLLCharacteristics(IO &) : Characteristics(COFF::DLLCharacteristics(0)) {}
357   NDLLCharacteristics(IO &, uint16_t C)
358       : Characteristics(COFF::DLLCharacteristics(C)) {}
359 
360   uint16_t denormalize(IO &) { return Characteristics; }
361 
362   COFF::DLLCharacteristics Characteristics;
363 };
364 
365 } // end anonymous namespace
366 
367 void MappingTraits<COFFYAML::Relocation>::mapping(IO &IO,
368                                                   COFFYAML::Relocation &Rel) {
369   IO.mapRequired("VirtualAddress", Rel.VirtualAddress);
370   IO.mapRequired("SymbolName", Rel.SymbolName);
371 
372   COFF::header &H = *static_cast<COFF::header *>(IO.getContext());
373   if (H.Machine == COFF::IMAGE_FILE_MACHINE_I386) {
374     MappingNormalization<NType<COFF::RelocationTypeI386>, uint16_t> NT(
375         IO, Rel.Type);
376     IO.mapRequired("Type", NT->Type);
377   } else if (H.Machine == COFF::IMAGE_FILE_MACHINE_AMD64) {
378     MappingNormalization<NType<COFF::RelocationTypeAMD64>, uint16_t> NT(
379         IO, Rel.Type);
380     IO.mapRequired("Type", NT->Type);
381   } else {
382     IO.mapRequired("Type", Rel.Type);
383   }
384 }
385 
386 void MappingTraits<COFF::DataDirectory>::mapping(IO &IO,
387                                                  COFF::DataDirectory &DD) {
388   IO.mapRequired("RelativeVirtualAddress", DD.RelativeVirtualAddress);
389   IO.mapRequired("Size", DD.Size);
390 }
391 
392 void MappingTraits<COFFYAML::PEHeader>::mapping(IO &IO,
393                                                 COFFYAML::PEHeader &PH) {
394   MappingNormalization<NWindowsSubsystem, uint16_t> NWS(IO,
395                                                         PH.Header.Subsystem);
396   MappingNormalization<NDLLCharacteristics, uint16_t> NDC(
397       IO, PH.Header.DLLCharacteristics);
398 
399   IO.mapRequired("AddressOfEntryPoint", PH.Header.AddressOfEntryPoint);
400   IO.mapRequired("ImageBase", PH.Header.ImageBase);
401   IO.mapRequired("SectionAlignment", PH.Header.SectionAlignment);
402   IO.mapRequired("FileAlignment", PH.Header.FileAlignment);
403   IO.mapRequired("MajorOperatingSystemVersion",
404                  PH.Header.MajorOperatingSystemVersion);
405   IO.mapRequired("MinorOperatingSystemVersion",
406                  PH.Header.MinorOperatingSystemVersion);
407   IO.mapRequired("MajorImageVersion", PH.Header.MajorImageVersion);
408   IO.mapRequired("MinorImageVersion", PH.Header.MinorImageVersion);
409   IO.mapRequired("MajorSubsystemVersion", PH.Header.MajorSubsystemVersion);
410   IO.mapRequired("MinorSubsystemVersion", PH.Header.MinorSubsystemVersion);
411   IO.mapRequired("Subsystem", NWS->Subsystem);
412   IO.mapRequired("DLLCharacteristics", NDC->Characteristics);
413   IO.mapRequired("SizeOfStackReserve", PH.Header.SizeOfStackReserve);
414   IO.mapRequired("SizeOfStackCommit", PH.Header.SizeOfStackCommit);
415   IO.mapRequired("SizeOfHeapReserve", PH.Header.SizeOfHeapReserve);
416   IO.mapRequired("SizeOfHeapCommit", PH.Header.SizeOfHeapCommit);
417 
418   IO.mapOptional("ExportTable", PH.DataDirectories[COFF::EXPORT_TABLE]);
419   IO.mapOptional("ImportTable", PH.DataDirectories[COFF::IMPORT_TABLE]);
420   IO.mapOptional("ResourceTable", PH.DataDirectories[COFF::RESOURCE_TABLE]);
421   IO.mapOptional("ExceptionTable", PH.DataDirectories[COFF::EXCEPTION_TABLE]);
422   IO.mapOptional("CertificateTable", PH.DataDirectories[COFF::CERTIFICATE_TABLE]);
423   IO.mapOptional("BaseRelocationTable",
424                  PH.DataDirectories[COFF::BASE_RELOCATION_TABLE]);
425   IO.mapOptional("Debug", PH.DataDirectories[COFF::DEBUG_DIRECTORY]);
426   IO.mapOptional("Architecture", PH.DataDirectories[COFF::ARCHITECTURE]);
427   IO.mapOptional("GlobalPtr", PH.DataDirectories[COFF::GLOBAL_PTR]);
428   IO.mapOptional("TlsTable", PH.DataDirectories[COFF::TLS_TABLE]);
429   IO.mapOptional("LoadConfigTable",
430                  PH.DataDirectories[COFF::LOAD_CONFIG_TABLE]);
431   IO.mapOptional("BoundImport", PH.DataDirectories[COFF::BOUND_IMPORT]);
432   IO.mapOptional("IAT", PH.DataDirectories[COFF::IAT]);
433   IO.mapOptional("DelayImportDescriptor",
434                  PH.DataDirectories[COFF::DELAY_IMPORT_DESCRIPTOR]);
435   IO.mapOptional("ClrRuntimeHeader",
436                  PH.DataDirectories[COFF::CLR_RUNTIME_HEADER]);
437 }
438 
439 void MappingTraits<COFF::header>::mapping(IO &IO, COFF::header &H) {
440   MappingNormalization<NMachine, uint16_t> NM(IO, H.Machine);
441   MappingNormalization<NHeaderCharacteristics, uint16_t> NC(IO,
442                                                             H.Characteristics);
443 
444   IO.mapRequired("Machine", NM->Machine);
445   IO.mapOptional("Characteristics", NC->Characteristics);
446   IO.setContext(static_cast<void *>(&H));
447 }
448 
449 void MappingTraits<COFF::AuxiliaryFunctionDefinition>::mapping(
450     IO &IO, COFF::AuxiliaryFunctionDefinition &AFD) {
451   IO.mapRequired("TagIndex", AFD.TagIndex);
452   IO.mapRequired("TotalSize", AFD.TotalSize);
453   IO.mapRequired("PointerToLinenumber", AFD.PointerToLinenumber);
454   IO.mapRequired("PointerToNextFunction", AFD.PointerToNextFunction);
455 }
456 
457 void MappingTraits<COFF::AuxiliarybfAndefSymbol>::mapping(
458     IO &IO, COFF::AuxiliarybfAndefSymbol &AAS) {
459   IO.mapRequired("Linenumber", AAS.Linenumber);
460   IO.mapRequired("PointerToNextFunction", AAS.PointerToNextFunction);
461 }
462 
463 void MappingTraits<COFF::AuxiliaryWeakExternal>::mapping(
464     IO &IO, COFF::AuxiliaryWeakExternal &AWE) {
465   MappingNormalization<NWeakExternalCharacteristics, uint32_t> NWEC(
466       IO, AWE.Characteristics);
467   IO.mapRequired("TagIndex", AWE.TagIndex);
468   IO.mapRequired("Characteristics", NWEC->Characteristics);
469 }
470 
471 void MappingTraits<COFF::AuxiliarySectionDefinition>::mapping(
472     IO &IO, COFF::AuxiliarySectionDefinition &ASD) {
473   MappingNormalization<NSectionSelectionType, uint8_t> NSST(
474       IO, ASD.Selection);
475 
476   IO.mapRequired("Length", ASD.Length);
477   IO.mapRequired("NumberOfRelocations", ASD.NumberOfRelocations);
478   IO.mapRequired("NumberOfLinenumbers", ASD.NumberOfLinenumbers);
479   IO.mapRequired("CheckSum", ASD.CheckSum);
480   IO.mapRequired("Number", ASD.Number);
481   IO.mapOptional("Selection", NSST->SelectionType, COFFYAML::COMDATType(0));
482 }
483 
484 void MappingTraits<COFF::AuxiliaryCLRToken>::mapping(
485     IO &IO, COFF::AuxiliaryCLRToken &ACT) {
486   MappingNormalization<NAuxTokenType, uint8_t> NATT(IO, ACT.AuxType);
487   IO.mapRequired("AuxType", NATT->AuxType);
488   IO.mapRequired("SymbolTableIndex", ACT.SymbolTableIndex);
489 }
490 
491 void MappingTraits<COFFYAML::Symbol>::mapping(IO &IO, COFFYAML::Symbol &S) {
492   MappingNormalization<NStorageClass, uint8_t> NS(IO, S.Header.StorageClass);
493 
494   IO.mapRequired("Name", S.Name);
495   IO.mapRequired("Value", S.Header.Value);
496   IO.mapRequired("SectionNumber", S.Header.SectionNumber);
497   IO.mapRequired("SimpleType", S.SimpleType);
498   IO.mapRequired("ComplexType", S.ComplexType);
499   IO.mapRequired("StorageClass", NS->StorageClass);
500   IO.mapOptional("FunctionDefinition", S.FunctionDefinition);
501   IO.mapOptional("bfAndefSymbol", S.bfAndefSymbol);
502   IO.mapOptional("WeakExternal", S.WeakExternal);
503   IO.mapOptional("File", S.File, StringRef());
504   IO.mapOptional("SectionDefinition", S.SectionDefinition);
505   IO.mapOptional("CLRToken", S.CLRToken);
506 }
507 
508 void MappingTraits<COFFYAML::Section>::mapping(IO &IO, COFFYAML::Section &Sec) {
509   MappingNormalization<NSectionCharacteristics, uint32_t> NC(
510       IO, Sec.Header.Characteristics);
511   IO.mapRequired("Name", Sec.Name);
512   IO.mapRequired("Characteristics", NC->Characteristics);
513   IO.mapOptional("VirtualAddress", Sec.Header.VirtualAddress, 0U);
514   IO.mapOptional("VirtualSize", Sec.Header.VirtualSize, 0U);
515   IO.mapOptional("Alignment", Sec.Alignment, 0U);
516 
517   // If this is a .debug$S or .debug$T section parse the semantic representation
518   // of the symbols/types.  If it is any other kind of section, just deal in raw
519   // bytes.
520   IO.mapOptional("SectionData", Sec.SectionData);
521   if (Sec.Name == ".debug$S")
522     IO.mapOptional("Subsections", Sec.DebugS);
523   else if (Sec.Name == ".debug$T")
524     IO.mapOptional("Types", Sec.DebugT);
525 
526   IO.mapOptional("Relocations", Sec.Relocations);
527 }
528 
529 void MappingTraits<COFFYAML::Object>::mapping(IO &IO, COFFYAML::Object &Obj) {
530   IO.mapTag("!COFF", true);
531   IO.mapOptional("OptionalHeader", Obj.OptionalHeader);
532   IO.mapRequired("header", Obj.Header);
533   IO.mapRequired("sections", Obj.Sections);
534   IO.mapRequired("symbols", Obj.Symbols);
535 }
536 
537 } // end namespace yaml
538 
539 } // end namespace llvm
540