xref: /freebsd/contrib/llvm-project/llvm/lib/ObjectYAML/COFFYAML.cpp (revision 7fdf597e96a02165cfe22ff357b857d5fa15ed8a)
1 //===- COFFYAML.cpp - COFF 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 COFF.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #include "llvm/ObjectYAML/COFFYAML.h"
14 #include "llvm/ADT/StringRef.h"
15 #include "llvm/Support/YAMLTraits.h"
16 #include <cstdint>
17 #include <cstring>
18 
19 #define ECase(X) IO.enumCase(Value, #X, COFF::X);
20 
21 namespace llvm {
22 
23 namespace COFFYAML {
24 
25 Section::Section() { memset(&Header, 0, sizeof(COFF::section)); }
26 Symbol::Symbol() { memset(&Header, 0, sizeof(COFF::symbol)); }
27 Object::Object() { memset(&Header, 0, sizeof(COFF::header)); }
28 
29 } // end namespace COFFYAML
30 
31 namespace yaml {
32 
33 void ScalarEnumerationTraits<COFFYAML::COMDATType>::enumeration(
34     IO &IO, COFFYAML::COMDATType &Value) {
35   IO.enumCase(Value, "0", 0);
36   ECase(IMAGE_COMDAT_SELECT_NODUPLICATES);
37   ECase(IMAGE_COMDAT_SELECT_ANY);
38   ECase(IMAGE_COMDAT_SELECT_SAME_SIZE);
39   ECase(IMAGE_COMDAT_SELECT_EXACT_MATCH);
40   ECase(IMAGE_COMDAT_SELECT_ASSOCIATIVE);
41   ECase(IMAGE_COMDAT_SELECT_LARGEST);
42   ECase(IMAGE_COMDAT_SELECT_NEWEST);
43 }
44 
45 void
46 ScalarEnumerationTraits<COFFYAML::WeakExternalCharacteristics>::enumeration(
47     IO &IO, COFFYAML::WeakExternalCharacteristics &Value) {
48   IO.enumCase(Value, "0", 0);
49   ECase(IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY);
50   ECase(IMAGE_WEAK_EXTERN_SEARCH_LIBRARY);
51   ECase(IMAGE_WEAK_EXTERN_SEARCH_ALIAS);
52   ECase(IMAGE_WEAK_EXTERN_ANTI_DEPENDENCY);
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_ARM64EC);
69   ECase(IMAGE_FILE_MACHINE_ARM64X);
70   ECase(IMAGE_FILE_MACHINE_EBC);
71   ECase(IMAGE_FILE_MACHINE_I386);
72   ECase(IMAGE_FILE_MACHINE_IA64);
73   ECase(IMAGE_FILE_MACHINE_M32R);
74   ECase(IMAGE_FILE_MACHINE_MIPS16);
75   ECase(IMAGE_FILE_MACHINE_MIPSFPU);
76   ECase(IMAGE_FILE_MACHINE_MIPSFPU16);
77   ECase(IMAGE_FILE_MACHINE_POWERPC);
78   ECase(IMAGE_FILE_MACHINE_POWERPCFP);
79   ECase(IMAGE_FILE_MACHINE_R4000);
80   ECase(IMAGE_FILE_MACHINE_RISCV32);
81   ECase(IMAGE_FILE_MACHINE_RISCV64);
82   ECase(IMAGE_FILE_MACHINE_RISCV128);
83   ECase(IMAGE_FILE_MACHINE_SH3);
84   ECase(IMAGE_FILE_MACHINE_SH3DSP);
85   ECase(IMAGE_FILE_MACHINE_SH4);
86   ECase(IMAGE_FILE_MACHINE_SH5);
87   ECase(IMAGE_FILE_MACHINE_THUMB);
88   ECase(IMAGE_FILE_MACHINE_WCEMIPSV2);
89 }
90 
91 void ScalarEnumerationTraits<COFF::SymbolBaseType>::enumeration(
92     IO &IO, COFF::SymbolBaseType &Value) {
93   ECase(IMAGE_SYM_TYPE_NULL);
94   ECase(IMAGE_SYM_TYPE_VOID);
95   ECase(IMAGE_SYM_TYPE_CHAR);
96   ECase(IMAGE_SYM_TYPE_SHORT);
97   ECase(IMAGE_SYM_TYPE_INT);
98   ECase(IMAGE_SYM_TYPE_LONG);
99   ECase(IMAGE_SYM_TYPE_FLOAT);
100   ECase(IMAGE_SYM_TYPE_DOUBLE);
101   ECase(IMAGE_SYM_TYPE_STRUCT);
102   ECase(IMAGE_SYM_TYPE_UNION);
103   ECase(IMAGE_SYM_TYPE_ENUM);
104   ECase(IMAGE_SYM_TYPE_MOE);
105   ECase(IMAGE_SYM_TYPE_BYTE);
106   ECase(IMAGE_SYM_TYPE_WORD);
107   ECase(IMAGE_SYM_TYPE_UINT);
108   ECase(IMAGE_SYM_TYPE_DWORD);
109 }
110 
111 void ScalarEnumerationTraits<COFF::SymbolStorageClass>::enumeration(
112     IO &IO, COFF::SymbolStorageClass &Value) {
113   ECase(IMAGE_SYM_CLASS_END_OF_FUNCTION);
114   ECase(IMAGE_SYM_CLASS_NULL);
115   ECase(IMAGE_SYM_CLASS_AUTOMATIC);
116   ECase(IMAGE_SYM_CLASS_EXTERNAL);
117   ECase(IMAGE_SYM_CLASS_STATIC);
118   ECase(IMAGE_SYM_CLASS_REGISTER);
119   ECase(IMAGE_SYM_CLASS_EXTERNAL_DEF);
120   ECase(IMAGE_SYM_CLASS_LABEL);
121   ECase(IMAGE_SYM_CLASS_UNDEFINED_LABEL);
122   ECase(IMAGE_SYM_CLASS_MEMBER_OF_STRUCT);
123   ECase(IMAGE_SYM_CLASS_ARGUMENT);
124   ECase(IMAGE_SYM_CLASS_STRUCT_TAG);
125   ECase(IMAGE_SYM_CLASS_MEMBER_OF_UNION);
126   ECase(IMAGE_SYM_CLASS_UNION_TAG);
127   ECase(IMAGE_SYM_CLASS_TYPE_DEFINITION);
128   ECase(IMAGE_SYM_CLASS_UNDEFINED_STATIC);
129   ECase(IMAGE_SYM_CLASS_ENUM_TAG);
130   ECase(IMAGE_SYM_CLASS_MEMBER_OF_ENUM);
131   ECase(IMAGE_SYM_CLASS_REGISTER_PARAM);
132   ECase(IMAGE_SYM_CLASS_BIT_FIELD);
133   ECase(IMAGE_SYM_CLASS_BLOCK);
134   ECase(IMAGE_SYM_CLASS_FUNCTION);
135   ECase(IMAGE_SYM_CLASS_END_OF_STRUCT);
136   ECase(IMAGE_SYM_CLASS_FILE);
137   ECase(IMAGE_SYM_CLASS_SECTION);
138   ECase(IMAGE_SYM_CLASS_WEAK_EXTERNAL);
139   ECase(IMAGE_SYM_CLASS_CLR_TOKEN);
140 }
141 
142 void ScalarEnumerationTraits<COFF::SymbolComplexType>::enumeration(
143     IO &IO, COFF::SymbolComplexType &Value) {
144   ECase(IMAGE_SYM_DTYPE_NULL);
145   ECase(IMAGE_SYM_DTYPE_POINTER);
146   ECase(IMAGE_SYM_DTYPE_FUNCTION);
147   ECase(IMAGE_SYM_DTYPE_ARRAY);
148 }
149 
150 void ScalarEnumerationTraits<COFF::RelocationTypeI386>::enumeration(
151     IO &IO, COFF::RelocationTypeI386 &Value) {
152   ECase(IMAGE_REL_I386_ABSOLUTE);
153   ECase(IMAGE_REL_I386_DIR16);
154   ECase(IMAGE_REL_I386_REL16);
155   ECase(IMAGE_REL_I386_DIR32);
156   ECase(IMAGE_REL_I386_DIR32NB);
157   ECase(IMAGE_REL_I386_SEG12);
158   ECase(IMAGE_REL_I386_SECTION);
159   ECase(IMAGE_REL_I386_SECREL);
160   ECase(IMAGE_REL_I386_TOKEN);
161   ECase(IMAGE_REL_I386_SECREL7);
162   ECase(IMAGE_REL_I386_REL32);
163 }
164 
165 void ScalarEnumerationTraits<COFF::RelocationTypeAMD64>::enumeration(
166     IO &IO, COFF::RelocationTypeAMD64 &Value) {
167   ECase(IMAGE_REL_AMD64_ABSOLUTE);
168   ECase(IMAGE_REL_AMD64_ADDR64);
169   ECase(IMAGE_REL_AMD64_ADDR32);
170   ECase(IMAGE_REL_AMD64_ADDR32NB);
171   ECase(IMAGE_REL_AMD64_REL32);
172   ECase(IMAGE_REL_AMD64_REL32_1);
173   ECase(IMAGE_REL_AMD64_REL32_2);
174   ECase(IMAGE_REL_AMD64_REL32_3);
175   ECase(IMAGE_REL_AMD64_REL32_4);
176   ECase(IMAGE_REL_AMD64_REL32_5);
177   ECase(IMAGE_REL_AMD64_SECTION);
178   ECase(IMAGE_REL_AMD64_SECREL);
179   ECase(IMAGE_REL_AMD64_SECREL7);
180   ECase(IMAGE_REL_AMD64_TOKEN);
181   ECase(IMAGE_REL_AMD64_SREL32);
182   ECase(IMAGE_REL_AMD64_PAIR);
183   ECase(IMAGE_REL_AMD64_SSPAN32);
184 }
185 
186 void ScalarEnumerationTraits<COFF::RelocationTypesARM>::enumeration(
187     IO &IO, COFF::RelocationTypesARM &Value) {
188   ECase(IMAGE_REL_ARM_ABSOLUTE);
189   ECase(IMAGE_REL_ARM_ADDR32);
190   ECase(IMAGE_REL_ARM_ADDR32NB);
191   ECase(IMAGE_REL_ARM_BRANCH24);
192   ECase(IMAGE_REL_ARM_BRANCH11);
193   ECase(IMAGE_REL_ARM_TOKEN);
194   ECase(IMAGE_REL_ARM_BLX24);
195   ECase(IMAGE_REL_ARM_BLX11);
196   ECase(IMAGE_REL_ARM_REL32);
197   ECase(IMAGE_REL_ARM_SECTION);
198   ECase(IMAGE_REL_ARM_SECREL);
199   ECase(IMAGE_REL_ARM_MOV32A);
200   ECase(IMAGE_REL_ARM_MOV32T);
201   ECase(IMAGE_REL_ARM_BRANCH20T);
202   ECase(IMAGE_REL_ARM_BRANCH24T);
203   ECase(IMAGE_REL_ARM_BLX23T);
204   ECase(IMAGE_REL_ARM_PAIR);
205 }
206 
207 void ScalarEnumerationTraits<COFF::RelocationTypesARM64>::enumeration(
208     IO &IO, COFF::RelocationTypesARM64 &Value) {
209   ECase(IMAGE_REL_ARM64_ABSOLUTE);
210   ECase(IMAGE_REL_ARM64_ADDR32);
211   ECase(IMAGE_REL_ARM64_ADDR32NB);
212   ECase(IMAGE_REL_ARM64_BRANCH26);
213   ECase(IMAGE_REL_ARM64_PAGEBASE_REL21);
214   ECase(IMAGE_REL_ARM64_REL21);
215   ECase(IMAGE_REL_ARM64_PAGEOFFSET_12A);
216   ECase(IMAGE_REL_ARM64_PAGEOFFSET_12L);
217   ECase(IMAGE_REL_ARM64_SECREL);
218   ECase(IMAGE_REL_ARM64_SECREL_LOW12A);
219   ECase(IMAGE_REL_ARM64_SECREL_HIGH12A);
220   ECase(IMAGE_REL_ARM64_SECREL_LOW12L);
221   ECase(IMAGE_REL_ARM64_TOKEN);
222   ECase(IMAGE_REL_ARM64_SECTION);
223   ECase(IMAGE_REL_ARM64_ADDR64);
224   ECase(IMAGE_REL_ARM64_BRANCH19);
225   ECase(IMAGE_REL_ARM64_BRANCH14);
226   ECase(IMAGE_REL_ARM64_REL32);
227 }
228 
229 void ScalarEnumerationTraits<COFF::WindowsSubsystem>::enumeration(
230     IO &IO, COFF::WindowsSubsystem &Value) {
231   ECase(IMAGE_SUBSYSTEM_UNKNOWN);
232   ECase(IMAGE_SUBSYSTEM_NATIVE);
233   ECase(IMAGE_SUBSYSTEM_WINDOWS_GUI);
234   ECase(IMAGE_SUBSYSTEM_WINDOWS_CUI);
235   ECase(IMAGE_SUBSYSTEM_OS2_CUI);
236   ECase(IMAGE_SUBSYSTEM_POSIX_CUI);
237   ECase(IMAGE_SUBSYSTEM_NATIVE_WINDOWS);
238   ECase(IMAGE_SUBSYSTEM_WINDOWS_CE_GUI);
239   ECase(IMAGE_SUBSYSTEM_EFI_APPLICATION);
240   ECase(IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER);
241   ECase(IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER);
242   ECase(IMAGE_SUBSYSTEM_EFI_ROM);
243   ECase(IMAGE_SUBSYSTEM_XBOX);
244   ECase(IMAGE_SUBSYSTEM_WINDOWS_BOOT_APPLICATION);
245 }
246 #undef ECase
247 
248 #define BCase(X) IO.bitSetCase(Value, #X, COFF::X);
249 void ScalarBitSetTraits<COFF::Characteristics>::bitset(
250     IO &IO, COFF::Characteristics &Value) {
251   BCase(IMAGE_FILE_RELOCS_STRIPPED);
252   BCase(IMAGE_FILE_EXECUTABLE_IMAGE);
253   BCase(IMAGE_FILE_LINE_NUMS_STRIPPED);
254   BCase(IMAGE_FILE_LOCAL_SYMS_STRIPPED);
255   BCase(IMAGE_FILE_AGGRESSIVE_WS_TRIM);
256   BCase(IMAGE_FILE_LARGE_ADDRESS_AWARE);
257   BCase(IMAGE_FILE_BYTES_REVERSED_LO);
258   BCase(IMAGE_FILE_32BIT_MACHINE);
259   BCase(IMAGE_FILE_DEBUG_STRIPPED);
260   BCase(IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP);
261   BCase(IMAGE_FILE_NET_RUN_FROM_SWAP);
262   BCase(IMAGE_FILE_SYSTEM);
263   BCase(IMAGE_FILE_DLL);
264   BCase(IMAGE_FILE_UP_SYSTEM_ONLY);
265   BCase(IMAGE_FILE_BYTES_REVERSED_HI);
266 }
267 
268 void ScalarBitSetTraits<COFF::SectionCharacteristics>::bitset(
269     IO &IO, COFF::SectionCharacteristics &Value) {
270   BCase(IMAGE_SCN_TYPE_NOLOAD);
271   BCase(IMAGE_SCN_TYPE_NO_PAD);
272   BCase(IMAGE_SCN_CNT_CODE);
273   BCase(IMAGE_SCN_CNT_INITIALIZED_DATA);
274   BCase(IMAGE_SCN_CNT_UNINITIALIZED_DATA);
275   BCase(IMAGE_SCN_LNK_OTHER);
276   BCase(IMAGE_SCN_LNK_INFO);
277   BCase(IMAGE_SCN_LNK_REMOVE);
278   BCase(IMAGE_SCN_LNK_COMDAT);
279   BCase(IMAGE_SCN_GPREL);
280   BCase(IMAGE_SCN_MEM_PURGEABLE);
281   BCase(IMAGE_SCN_MEM_16BIT);
282   BCase(IMAGE_SCN_MEM_LOCKED);
283   BCase(IMAGE_SCN_MEM_PRELOAD);
284   BCase(IMAGE_SCN_LNK_NRELOC_OVFL);
285   BCase(IMAGE_SCN_MEM_DISCARDABLE);
286   BCase(IMAGE_SCN_MEM_NOT_CACHED);
287   BCase(IMAGE_SCN_MEM_NOT_PAGED);
288   BCase(IMAGE_SCN_MEM_SHARED);
289   BCase(IMAGE_SCN_MEM_EXECUTE);
290   BCase(IMAGE_SCN_MEM_READ);
291   BCase(IMAGE_SCN_MEM_WRITE);
292 }
293 
294 void ScalarBitSetTraits<COFF::DLLCharacteristics>::bitset(
295     IO &IO, COFF::DLLCharacteristics &Value) {
296   BCase(IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA);
297   BCase(IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE);
298   BCase(IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY);
299   BCase(IMAGE_DLL_CHARACTERISTICS_NX_COMPAT);
300   BCase(IMAGE_DLL_CHARACTERISTICS_NO_ISOLATION);
301   BCase(IMAGE_DLL_CHARACTERISTICS_NO_SEH);
302   BCase(IMAGE_DLL_CHARACTERISTICS_NO_BIND);
303   BCase(IMAGE_DLL_CHARACTERISTICS_APPCONTAINER);
304   BCase(IMAGE_DLL_CHARACTERISTICS_WDM_DRIVER);
305   BCase(IMAGE_DLL_CHARACTERISTICS_GUARD_CF);
306   BCase(IMAGE_DLL_CHARACTERISTICS_TERMINAL_SERVER_AWARE);
307 }
308 #undef BCase
309 
310 namespace {
311 
312 struct NSectionSelectionType {
313   NSectionSelectionType(IO &)
314       : SelectionType(COFFYAML::COMDATType(0)) {}
315   NSectionSelectionType(IO &, uint8_t C)
316       : SelectionType(COFFYAML::COMDATType(C)) {}
317 
318   uint8_t denormalize(IO &) { return SelectionType; }
319 
320   COFFYAML::COMDATType SelectionType;
321 };
322 
323 struct NWeakExternalCharacteristics {
324   NWeakExternalCharacteristics(IO &)
325       : Characteristics(COFFYAML::WeakExternalCharacteristics(0)) {}
326   NWeakExternalCharacteristics(IO &, uint32_t C)
327       : Characteristics(COFFYAML::WeakExternalCharacteristics(C)) {}
328 
329   uint32_t denormalize(IO &) { return Characteristics; }
330 
331   COFFYAML::WeakExternalCharacteristics Characteristics;
332 };
333 
334 struct NSectionCharacteristics {
335   NSectionCharacteristics(IO &)
336       : Characteristics(COFF::SectionCharacteristics(0)) {}
337   NSectionCharacteristics(IO &, uint32_t C)
338       : Characteristics(COFF::SectionCharacteristics(C)) {}
339 
340   uint32_t denormalize(IO &) { return Characteristics; }
341 
342   COFF::SectionCharacteristics Characteristics;
343 };
344 
345 struct NAuxTokenType {
346   NAuxTokenType(IO &)
347       : AuxType(COFFYAML::AuxSymbolType(0)) {}
348   NAuxTokenType(IO &, uint8_t C)
349       : AuxType(COFFYAML::AuxSymbolType(C)) {}
350 
351   uint32_t denormalize(IO &) { return AuxType; }
352 
353   COFFYAML::AuxSymbolType AuxType;
354 };
355 
356 struct NStorageClass {
357   NStorageClass(IO &) : StorageClass(COFF::SymbolStorageClass(0)) {}
358   NStorageClass(IO &, uint8_t S) : StorageClass(COFF::SymbolStorageClass(S)) {}
359 
360   uint8_t denormalize(IO &) { return StorageClass; }
361 
362   COFF::SymbolStorageClass StorageClass;
363 };
364 
365 struct NMachine {
366   NMachine(IO &) : Machine(COFF::MachineTypes(0)) {}
367   NMachine(IO &, uint16_t M) : Machine(COFF::MachineTypes(M)) {}
368 
369   uint16_t denormalize(IO &) { return Machine; }
370 
371   COFF::MachineTypes Machine;
372 };
373 
374 struct NHeaderCharacteristics {
375   NHeaderCharacteristics(IO &) : Characteristics(COFF::Characteristics(0)) {}
376   NHeaderCharacteristics(IO &, uint16_t C)
377       : Characteristics(COFF::Characteristics(C)) {}
378 
379   uint16_t denormalize(IO &) { return Characteristics; }
380 
381   COFF::Characteristics Characteristics;
382 };
383 
384 template <typename RelocType>
385 struct NType {
386   NType(IO &) : Type(RelocType(0)) {}
387   NType(IO &, uint16_t T) : Type(RelocType(T)) {}
388 
389   uint16_t denormalize(IO &) { return Type; }
390 
391   RelocType Type;
392 };
393 
394 struct NWindowsSubsystem {
395   NWindowsSubsystem(IO &) : Subsystem(COFF::WindowsSubsystem(0)) {}
396   NWindowsSubsystem(IO &, uint16_t C) : Subsystem(COFF::WindowsSubsystem(C)) {}
397 
398   uint16_t denormalize(IO &) { return Subsystem; }
399 
400   COFF::WindowsSubsystem Subsystem;
401 };
402 
403 struct NDLLCharacteristics {
404   NDLLCharacteristics(IO &) : Characteristics(COFF::DLLCharacteristics(0)) {}
405   NDLLCharacteristics(IO &, uint16_t C)
406       : Characteristics(COFF::DLLCharacteristics(C)) {}
407 
408   uint16_t denormalize(IO &) { return Characteristics; }
409 
410   COFF::DLLCharacteristics Characteristics;
411 };
412 
413 } // end anonymous namespace
414 
415 void MappingTraits<COFFYAML::Relocation>::mapping(IO &IO,
416                                                   COFFYAML::Relocation &Rel) {
417   IO.mapRequired("VirtualAddress", Rel.VirtualAddress);
418   IO.mapOptional("SymbolName", Rel.SymbolName, StringRef());
419   IO.mapOptional("SymbolTableIndex", Rel.SymbolTableIndex);
420 
421   COFF::header &H = *static_cast<COFF::header *>(IO.getContext());
422   if (H.Machine == COFF::IMAGE_FILE_MACHINE_I386) {
423     MappingNormalization<NType<COFF::RelocationTypeI386>, uint16_t> NT(
424         IO, Rel.Type);
425     IO.mapRequired("Type", NT->Type);
426   } else if (H.Machine == COFF::IMAGE_FILE_MACHINE_AMD64) {
427     MappingNormalization<NType<COFF::RelocationTypeAMD64>, uint16_t> NT(
428         IO, Rel.Type);
429     IO.mapRequired("Type", NT->Type);
430   } else if (H.Machine == COFF::IMAGE_FILE_MACHINE_ARMNT) {
431     MappingNormalization<NType<COFF::RelocationTypesARM>, uint16_t> NT(
432         IO, Rel.Type);
433     IO.mapRequired("Type", NT->Type);
434   } else if (COFF::isAnyArm64(H.Machine)) {
435     MappingNormalization<NType<COFF::RelocationTypesARM64>, uint16_t> NT(
436         IO, Rel.Type);
437     IO.mapRequired("Type", NT->Type);
438   } else {
439     IO.mapRequired("Type", Rel.Type);
440   }
441 }
442 
443 void MappingTraits<COFF::DataDirectory>::mapping(IO &IO,
444                                                  COFF::DataDirectory &DD) {
445   IO.mapRequired("RelativeVirtualAddress", DD.RelativeVirtualAddress);
446   IO.mapRequired("Size", DD.Size);
447 }
448 
449 void MappingTraits<COFFYAML::PEHeader>::mapping(IO &IO,
450                                                 COFFYAML::PEHeader &PH) {
451   MappingNormalization<NWindowsSubsystem, uint16_t> NWS(IO,
452                                                         PH.Header.Subsystem);
453   MappingNormalization<NDLLCharacteristics, uint16_t> NDC(
454       IO, PH.Header.DLLCharacteristics);
455 
456   IO.mapOptional("AddressOfEntryPoint", PH.Header.AddressOfEntryPoint);
457   IO.mapOptional("ImageBase", PH.Header.ImageBase);
458   IO.mapOptional("SectionAlignment", PH.Header.SectionAlignment, 1);
459   IO.mapOptional("FileAlignment", PH.Header.FileAlignment, 1);
460   IO.mapOptional("MajorOperatingSystemVersion",
461                  PH.Header.MajorOperatingSystemVersion);
462   IO.mapOptional("MinorOperatingSystemVersion",
463                  PH.Header.MinorOperatingSystemVersion);
464   IO.mapOptional("MajorImageVersion", PH.Header.MajorImageVersion);
465   IO.mapOptional("MinorImageVersion", PH.Header.MinorImageVersion);
466   IO.mapOptional("MajorSubsystemVersion", PH.Header.MajorSubsystemVersion);
467   IO.mapOptional("MinorSubsystemVersion", PH.Header.MinorSubsystemVersion);
468   IO.mapOptional("Subsystem", NWS->Subsystem);
469   IO.mapOptional("DLLCharacteristics", NDC->Characteristics);
470   IO.mapOptional("SizeOfStackReserve", PH.Header.SizeOfStackReserve);
471   IO.mapOptional("SizeOfStackCommit", PH.Header.SizeOfStackCommit);
472   IO.mapOptional("SizeOfHeapReserve", PH.Header.SizeOfHeapReserve);
473   IO.mapOptional("SizeOfHeapCommit", PH.Header.SizeOfHeapCommit);
474 
475   IO.mapOptional("NumberOfRvaAndSize", PH.Header.NumberOfRvaAndSize,
476                  COFF::NUM_DATA_DIRECTORIES + 1);
477   IO.mapOptional("ExportTable", PH.DataDirectories[COFF::EXPORT_TABLE]);
478   IO.mapOptional("ImportTable", PH.DataDirectories[COFF::IMPORT_TABLE]);
479   IO.mapOptional("ResourceTable", PH.DataDirectories[COFF::RESOURCE_TABLE]);
480   IO.mapOptional("ExceptionTable", PH.DataDirectories[COFF::EXCEPTION_TABLE]);
481   IO.mapOptional("CertificateTable", PH.DataDirectories[COFF::CERTIFICATE_TABLE]);
482   IO.mapOptional("BaseRelocationTable",
483                  PH.DataDirectories[COFF::BASE_RELOCATION_TABLE]);
484   IO.mapOptional("Debug", PH.DataDirectories[COFF::DEBUG_DIRECTORY]);
485   IO.mapOptional("Architecture", PH.DataDirectories[COFF::ARCHITECTURE]);
486   IO.mapOptional("GlobalPtr", PH.DataDirectories[COFF::GLOBAL_PTR]);
487   IO.mapOptional("TlsTable", PH.DataDirectories[COFF::TLS_TABLE]);
488   IO.mapOptional("LoadConfigTable",
489                  PH.DataDirectories[COFF::LOAD_CONFIG_TABLE]);
490   IO.mapOptional("BoundImport", PH.DataDirectories[COFF::BOUND_IMPORT]);
491   IO.mapOptional("IAT", PH.DataDirectories[COFF::IAT]);
492   IO.mapOptional("DelayImportDescriptor",
493                  PH.DataDirectories[COFF::DELAY_IMPORT_DESCRIPTOR]);
494   IO.mapOptional("ClrRuntimeHeader",
495                  PH.DataDirectories[COFF::CLR_RUNTIME_HEADER]);
496 }
497 
498 void MappingTraits<COFF::header>::mapping(IO &IO, COFF::header &H) {
499   MappingNormalization<NMachine, uint16_t> NM(IO, H.Machine);
500   MappingNormalization<NHeaderCharacteristics, uint16_t> NC(IO,
501                                                             H.Characteristics);
502 
503   IO.mapRequired("Machine", NM->Machine);
504   IO.mapOptional("Characteristics", NC->Characteristics);
505   IO.setContext(static_cast<void *>(&H));
506 }
507 
508 void MappingTraits<COFF::AuxiliaryFunctionDefinition>::mapping(
509     IO &IO, COFF::AuxiliaryFunctionDefinition &AFD) {
510   IO.mapRequired("TagIndex", AFD.TagIndex);
511   IO.mapRequired("TotalSize", AFD.TotalSize);
512   IO.mapRequired("PointerToLinenumber", AFD.PointerToLinenumber);
513   IO.mapRequired("PointerToNextFunction", AFD.PointerToNextFunction);
514 }
515 
516 void MappingTraits<COFF::AuxiliarybfAndefSymbol>::mapping(
517     IO &IO, COFF::AuxiliarybfAndefSymbol &AAS) {
518   IO.mapRequired("Linenumber", AAS.Linenumber);
519   IO.mapRequired("PointerToNextFunction", AAS.PointerToNextFunction);
520 }
521 
522 void MappingTraits<COFF::AuxiliaryWeakExternal>::mapping(
523     IO &IO, COFF::AuxiliaryWeakExternal &AWE) {
524   MappingNormalization<NWeakExternalCharacteristics, uint32_t> NWEC(
525       IO, AWE.Characteristics);
526   IO.mapRequired("TagIndex", AWE.TagIndex);
527   IO.mapRequired("Characteristics", NWEC->Characteristics);
528 }
529 
530 void MappingTraits<COFF::AuxiliarySectionDefinition>::mapping(
531     IO &IO, COFF::AuxiliarySectionDefinition &ASD) {
532   MappingNormalization<NSectionSelectionType, uint8_t> NSST(
533       IO, ASD.Selection);
534 
535   IO.mapRequired("Length", ASD.Length);
536   IO.mapRequired("NumberOfRelocations", ASD.NumberOfRelocations);
537   IO.mapRequired("NumberOfLinenumbers", ASD.NumberOfLinenumbers);
538   IO.mapRequired("CheckSum", ASD.CheckSum);
539   IO.mapRequired("Number", ASD.Number);
540   IO.mapOptional("Selection", NSST->SelectionType, COFFYAML::COMDATType(0));
541 }
542 
543 void MappingTraits<COFF::AuxiliaryCLRToken>::mapping(
544     IO &IO, COFF::AuxiliaryCLRToken &ACT) {
545   MappingNormalization<NAuxTokenType, uint8_t> NATT(IO, ACT.AuxType);
546   IO.mapRequired("AuxType", NATT->AuxType);
547   IO.mapRequired("SymbolTableIndex", ACT.SymbolTableIndex);
548 }
549 
550 void MappingTraits<object::coff_load_config_code_integrity>::mapping(
551     IO &IO, object::coff_load_config_code_integrity &S) {
552   IO.mapOptional("Flags", S.Flags);
553   IO.mapOptional("Catalog", S.Catalog);
554   IO.mapOptional("CatalogOffset", S.CatalogOffset);
555 }
556 
557 template <typename T, typename M>
558 void mapLoadConfigMember(IO &IO, T &LoadConfig, const char *Name, M &Member) {
559   // Map only members that match a specified size.
560   ptrdiff_t dist =
561       reinterpret_cast<char *>(&Member) - reinterpret_cast<char *>(&LoadConfig);
562   if (dist < (ptrdiff_t)LoadConfig.Size)
563     IO.mapOptional(Name, Member);
564 }
565 
566 template <typename T> void mapLoadConfig(IO &IO, T &LoadConfig) {
567   IO.mapOptional("Size", LoadConfig.Size,
568                  support::ulittle32_t(sizeof(LoadConfig)));
569   // The size must be large enough to fit at least the size member itself.
570   if (LoadConfig.Size < sizeof(LoadConfig.Size)) {
571     IO.setError("Size must be at least " + Twine(sizeof(LoadConfig.Size)));
572     return;
573   }
574 
575 #define MCase(X) mapLoadConfigMember(IO, LoadConfig, #X, LoadConfig.X)
576   MCase(TimeDateStamp);
577   MCase(MajorVersion);
578   MCase(MinorVersion);
579   MCase(GlobalFlagsClear);
580   MCase(GlobalFlagsSet);
581   MCase(CriticalSectionDefaultTimeout);
582   MCase(DeCommitFreeBlockThreshold);
583   MCase(DeCommitTotalFreeThreshold);
584   MCase(LockPrefixTable);
585   MCase(MaximumAllocationSize);
586   MCase(VirtualMemoryThreshold);
587   MCase(ProcessAffinityMask);
588   MCase(ProcessHeapFlags);
589   MCase(CSDVersion);
590   MCase(DependentLoadFlags);
591   MCase(EditList);
592   MCase(SecurityCookie);
593   MCase(SEHandlerTable);
594   MCase(SEHandlerCount);
595   MCase(GuardCFCheckFunction);
596   MCase(GuardCFCheckDispatch);
597   MCase(GuardCFFunctionTable);
598   MCase(GuardCFFunctionCount);
599   MCase(GuardFlags);
600   MCase(CodeIntegrity);
601   MCase(GuardAddressTakenIatEntryTable);
602   MCase(GuardAddressTakenIatEntryCount);
603   MCase(GuardLongJumpTargetTable);
604   MCase(GuardLongJumpTargetCount);
605   MCase(DynamicValueRelocTable);
606   MCase(CHPEMetadataPointer);
607   MCase(GuardRFFailureRoutine);
608   MCase(GuardRFFailureRoutineFunctionPointer);
609   MCase(DynamicValueRelocTableOffset);
610   MCase(DynamicValueRelocTableSection);
611   MCase(GuardRFVerifyStackPointerFunctionPointer);
612   MCase(HotPatchTableOffset);
613   MCase(EnclaveConfigurationPointer);
614   MCase(VolatileMetadataPointer);
615   MCase(GuardEHContinuationTable);
616   MCase(GuardEHContinuationCount);
617   MCase(GuardXFGCheckFunctionPointer);
618   MCase(GuardXFGDispatchFunctionPointer);
619   MCase(GuardXFGTableDispatchFunctionPointer);
620   MCase(CastGuardOsDeterminedFailureMode);
621 #undef MCase
622 }
623 
624 void MappingTraits<object::coff_load_configuration32>::mapping(
625     IO &IO, object::coff_load_configuration32 &S) {
626   mapLoadConfig(IO, S);
627 }
628 
629 void MappingTraits<object::coff_load_configuration64>::mapping(
630     IO &IO, object::coff_load_configuration64 &S) {
631   mapLoadConfig(IO, S);
632 }
633 
634 void MappingTraits<COFFYAML::SectionDataEntry>::mapping(
635     IO &IO, COFFYAML::SectionDataEntry &E) {
636   IO.mapOptional("UInt32", E.UInt32);
637   IO.mapOptional("Binary", E.Binary);
638 
639   COFF::header &H = *static_cast<COFF::header *>(IO.getContext());
640   if (COFF::is64Bit(H.Machine))
641     IO.mapOptional("LoadConfig", E.LoadConfig64);
642   else
643     IO.mapOptional("LoadConfig", E.LoadConfig32);
644 }
645 
646 void MappingTraits<COFFYAML::Symbol>::mapping(IO &IO, COFFYAML::Symbol &S) {
647   MappingNormalization<NStorageClass, uint8_t> NS(IO, S.Header.StorageClass);
648 
649   IO.mapRequired("Name", S.Name);
650   IO.mapRequired("Value", S.Header.Value);
651   IO.mapRequired("SectionNumber", S.Header.SectionNumber);
652   IO.mapRequired("SimpleType", S.SimpleType);
653   IO.mapRequired("ComplexType", S.ComplexType);
654   IO.mapRequired("StorageClass", NS->StorageClass);
655   IO.mapOptional("FunctionDefinition", S.FunctionDefinition);
656   IO.mapOptional("bfAndefSymbol", S.bfAndefSymbol);
657   IO.mapOptional("WeakExternal", S.WeakExternal);
658   IO.mapOptional("File", S.File, StringRef());
659   IO.mapOptional("SectionDefinition", S.SectionDefinition);
660   IO.mapOptional("CLRToken", S.CLRToken);
661 }
662 
663 void MappingTraits<COFFYAML::Section>::mapping(IO &IO, COFFYAML::Section &Sec) {
664   MappingNormalization<NSectionCharacteristics, uint32_t> NC(
665       IO, Sec.Header.Characteristics);
666   IO.mapRequired("Name", Sec.Name);
667   IO.mapRequired("Characteristics", NC->Characteristics);
668   IO.mapOptional("VirtualAddress", Sec.Header.VirtualAddress, 0U);
669   IO.mapOptional("VirtualSize", Sec.Header.VirtualSize, 0U);
670   IO.mapOptional("Alignment", Sec.Alignment, 0U);
671 
672   // If this is a .debug$S .debug$T .debug$P, or .debug$H section parse the
673   // semantic representation of the symbols/types.  If it is any other kind
674   // of section, just deal in raw bytes.
675   IO.mapOptional("SectionData", Sec.SectionData);
676   if (Sec.Name == ".debug$S")
677     IO.mapOptional("Subsections", Sec.DebugS);
678   else if (Sec.Name == ".debug$T")
679     IO.mapOptional("Types", Sec.DebugT);
680   else if (Sec.Name == ".debug$P")
681     IO.mapOptional("PrecompTypes", Sec.DebugP);
682   else if (Sec.Name == ".debug$H")
683     IO.mapOptional("GlobalHashes", Sec.DebugH);
684 
685   IO.mapOptional("StructuredData", Sec.StructuredData);
686 
687   if (!Sec.StructuredData.empty() && Sec.SectionData.binary_size()) {
688     IO.setError("StructuredData and SectionData can't be used together");
689     return;
690   }
691 
692   IO.mapOptional("SizeOfRawData", Sec.Header.SizeOfRawData, 0U);
693 
694   if (!Sec.StructuredData.empty() && Sec.Header.SizeOfRawData) {
695     IO.setError("StructuredData and SizeOfRawData can't be used together");
696     return;
697   }
698 
699   IO.mapOptional("Relocations", Sec.Relocations);
700 }
701 
702 void MappingTraits<COFFYAML::Object>::mapping(IO &IO, COFFYAML::Object &Obj) {
703   IO.mapTag("!COFF", true);
704   IO.mapOptional("OptionalHeader", Obj.OptionalHeader);
705   IO.mapRequired("header", Obj.Header);
706   IO.mapRequired("sections", Obj.Sections);
707   IO.mapRequired("symbols", Obj.Symbols);
708 }
709 
710 } // end namespace yaml
711 
712 } // end namespace llvm
713