1 //===- ELFYAML.cpp - ELF 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 ELF.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #include "llvm/Object/ELFYAML.h"
15 #include "llvm/Support/Casting.h"
16
17 namespace llvm {
18
~Section()19 ELFYAML::Section::~Section() {}
20
21 namespace yaml {
22
23 void
enumeration(IO & IO,ELFYAML::ELF_ET & Value)24 ScalarEnumerationTraits<ELFYAML::ELF_ET>::enumeration(IO &IO,
25 ELFYAML::ELF_ET &Value) {
26 #define ECase(X) IO.enumCase(Value, #X, ELF::X);
27 ECase(ET_NONE)
28 ECase(ET_REL)
29 ECase(ET_EXEC)
30 ECase(ET_DYN)
31 ECase(ET_CORE)
32 #undef ECase
33 IO.enumFallback<Hex16>(Value);
34 }
35
36 void
enumeration(IO & IO,ELFYAML::ELF_EM & Value)37 ScalarEnumerationTraits<ELFYAML::ELF_EM>::enumeration(IO &IO,
38 ELFYAML::ELF_EM &Value) {
39 #define ECase(X) IO.enumCase(Value, #X, ELF::X);
40 ECase(EM_NONE)
41 ECase(EM_M32)
42 ECase(EM_SPARC)
43 ECase(EM_386)
44 ECase(EM_68K)
45 ECase(EM_88K)
46 ECase(EM_486)
47 ECase(EM_860)
48 ECase(EM_MIPS)
49 ECase(EM_S370)
50 ECase(EM_MIPS_RS3_LE)
51 ECase(EM_PARISC)
52 ECase(EM_VPP500)
53 ECase(EM_SPARC32PLUS)
54 ECase(EM_960)
55 ECase(EM_PPC)
56 ECase(EM_PPC64)
57 ECase(EM_S390)
58 ECase(EM_SPU)
59 ECase(EM_V800)
60 ECase(EM_FR20)
61 ECase(EM_RH32)
62 ECase(EM_RCE)
63 ECase(EM_ARM)
64 ECase(EM_ALPHA)
65 ECase(EM_SH)
66 ECase(EM_SPARCV9)
67 ECase(EM_TRICORE)
68 ECase(EM_ARC)
69 ECase(EM_H8_300)
70 ECase(EM_H8_300H)
71 ECase(EM_H8S)
72 ECase(EM_H8_500)
73 ECase(EM_IA_64)
74 ECase(EM_MIPS_X)
75 ECase(EM_COLDFIRE)
76 ECase(EM_68HC12)
77 ECase(EM_MMA)
78 ECase(EM_PCP)
79 ECase(EM_NCPU)
80 ECase(EM_NDR1)
81 ECase(EM_STARCORE)
82 ECase(EM_ME16)
83 ECase(EM_ST100)
84 ECase(EM_TINYJ)
85 ECase(EM_X86_64)
86 ECase(EM_PDSP)
87 ECase(EM_PDP10)
88 ECase(EM_PDP11)
89 ECase(EM_FX66)
90 ECase(EM_ST9PLUS)
91 ECase(EM_ST7)
92 ECase(EM_68HC16)
93 ECase(EM_68HC11)
94 ECase(EM_68HC08)
95 ECase(EM_68HC05)
96 ECase(EM_SVX)
97 ECase(EM_ST19)
98 ECase(EM_VAX)
99 ECase(EM_CRIS)
100 ECase(EM_JAVELIN)
101 ECase(EM_FIREPATH)
102 ECase(EM_ZSP)
103 ECase(EM_MMIX)
104 ECase(EM_HUANY)
105 ECase(EM_PRISM)
106 ECase(EM_AVR)
107 ECase(EM_FR30)
108 ECase(EM_D10V)
109 ECase(EM_D30V)
110 ECase(EM_V850)
111 ECase(EM_M32R)
112 ECase(EM_MN10300)
113 ECase(EM_MN10200)
114 ECase(EM_PJ)
115 ECase(EM_OPENRISC)
116 ECase(EM_ARC_COMPACT)
117 ECase(EM_XTENSA)
118 ECase(EM_VIDEOCORE)
119 ECase(EM_TMM_GPP)
120 ECase(EM_NS32K)
121 ECase(EM_TPC)
122 ECase(EM_SNP1K)
123 ECase(EM_ST200)
124 ECase(EM_IP2K)
125 ECase(EM_MAX)
126 ECase(EM_CR)
127 ECase(EM_F2MC16)
128 ECase(EM_MSP430)
129 ECase(EM_BLACKFIN)
130 ECase(EM_SE_C33)
131 ECase(EM_SEP)
132 ECase(EM_ARCA)
133 ECase(EM_UNICORE)
134 ECase(EM_EXCESS)
135 ECase(EM_DXP)
136 ECase(EM_ALTERA_NIOS2)
137 ECase(EM_CRX)
138 ECase(EM_XGATE)
139 ECase(EM_C166)
140 ECase(EM_M16C)
141 ECase(EM_DSPIC30F)
142 ECase(EM_CE)
143 ECase(EM_M32C)
144 ECase(EM_TSK3000)
145 ECase(EM_RS08)
146 ECase(EM_SHARC)
147 ECase(EM_ECOG2)
148 ECase(EM_SCORE7)
149 ECase(EM_DSP24)
150 ECase(EM_VIDEOCORE3)
151 ECase(EM_LATTICEMICO32)
152 ECase(EM_SE_C17)
153 ECase(EM_TI_C6000)
154 ECase(EM_TI_C2000)
155 ECase(EM_TI_C5500)
156 ECase(EM_MMDSP_PLUS)
157 ECase(EM_CYPRESS_M8C)
158 ECase(EM_R32C)
159 ECase(EM_TRIMEDIA)
160 ECase(EM_HEXAGON)
161 ECase(EM_8051)
162 ECase(EM_STXP7X)
163 ECase(EM_NDS32)
164 ECase(EM_ECOG1)
165 ECase(EM_ECOG1X)
166 ECase(EM_MAXQ30)
167 ECase(EM_XIMO16)
168 ECase(EM_MANIK)
169 ECase(EM_CRAYNV2)
170 ECase(EM_RX)
171 ECase(EM_METAG)
172 ECase(EM_MCST_ELBRUS)
173 ECase(EM_ECOG16)
174 ECase(EM_CR16)
175 ECase(EM_ETPU)
176 ECase(EM_SLE9X)
177 ECase(EM_L10M)
178 ECase(EM_K10M)
179 ECase(EM_AARCH64)
180 ECase(EM_AVR32)
181 ECase(EM_STM8)
182 ECase(EM_TILE64)
183 ECase(EM_TILEPRO)
184 ECase(EM_CUDA)
185 ECase(EM_TILEGX)
186 ECase(EM_CLOUDSHIELD)
187 ECase(EM_COREA_1ST)
188 ECase(EM_COREA_2ND)
189 ECase(EM_ARC_COMPACT2)
190 ECase(EM_OPEN8)
191 ECase(EM_RL78)
192 ECase(EM_VIDEOCORE5)
193 ECase(EM_78KOR)
194 ECase(EM_56800EX)
195 #undef ECase
196 }
197
enumeration(IO & IO,ELFYAML::ELF_ELFCLASS & Value)198 void ScalarEnumerationTraits<ELFYAML::ELF_ELFCLASS>::enumeration(
199 IO &IO, ELFYAML::ELF_ELFCLASS &Value) {
200 #define ECase(X) IO.enumCase(Value, #X, ELF::X);
201 // Since the semantics of ELFCLASSNONE is "invalid", just don't accept it
202 // here.
203 ECase(ELFCLASS32)
204 ECase(ELFCLASS64)
205 #undef ECase
206 }
207
enumeration(IO & IO,ELFYAML::ELF_ELFDATA & Value)208 void ScalarEnumerationTraits<ELFYAML::ELF_ELFDATA>::enumeration(
209 IO &IO, ELFYAML::ELF_ELFDATA &Value) {
210 #define ECase(X) IO.enumCase(Value, #X, ELF::X);
211 // Since the semantics of ELFDATANONE is "invalid", just don't accept it
212 // here.
213 ECase(ELFDATA2LSB)
214 ECase(ELFDATA2MSB)
215 #undef ECase
216 }
217
enumeration(IO & IO,ELFYAML::ELF_ELFOSABI & Value)218 void ScalarEnumerationTraits<ELFYAML::ELF_ELFOSABI>::enumeration(
219 IO &IO, ELFYAML::ELF_ELFOSABI &Value) {
220 #define ECase(X) IO.enumCase(Value, #X, ELF::X);
221 ECase(ELFOSABI_NONE)
222 ECase(ELFOSABI_HPUX)
223 ECase(ELFOSABI_NETBSD)
224 ECase(ELFOSABI_GNU)
225 ECase(ELFOSABI_GNU)
226 ECase(ELFOSABI_HURD)
227 ECase(ELFOSABI_SOLARIS)
228 ECase(ELFOSABI_AIX)
229 ECase(ELFOSABI_IRIX)
230 ECase(ELFOSABI_FREEBSD)
231 ECase(ELFOSABI_TRU64)
232 ECase(ELFOSABI_MODESTO)
233 ECase(ELFOSABI_OPENBSD)
234 ECase(ELFOSABI_OPENVMS)
235 ECase(ELFOSABI_NSK)
236 ECase(ELFOSABI_AROS)
237 ECase(ELFOSABI_FENIXOS)
238 ECase(ELFOSABI_CLOUDABI)
239 ECase(ELFOSABI_C6000_ELFABI)
240 ECase(ELFOSABI_C6000_LINUX)
241 ECase(ELFOSABI_ARM)
242 ECase(ELFOSABI_STANDALONE)
243 #undef ECase
244 }
245
bitset(IO & IO,ELFYAML::ELF_EF & Value)246 void ScalarBitSetTraits<ELFYAML::ELF_EF>::bitset(IO &IO,
247 ELFYAML::ELF_EF &Value) {
248 const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
249 assert(Object && "The IO context is not initialized");
250 #define BCase(X) IO.bitSetCase(Value, #X, ELF::X);
251 #define BCaseMask(X, M) IO.maskedBitSetCase(Value, #X, ELF::X, ELF::M);
252 switch (Object->Header.Machine) {
253 case ELF::EM_ARM:
254 BCase(EF_ARM_SOFT_FLOAT)
255 BCase(EF_ARM_VFP_FLOAT)
256 BCaseMask(EF_ARM_EABI_UNKNOWN, EF_ARM_EABIMASK)
257 BCaseMask(EF_ARM_EABI_VER1, EF_ARM_EABIMASK)
258 BCaseMask(EF_ARM_EABI_VER2, EF_ARM_EABIMASK)
259 BCaseMask(EF_ARM_EABI_VER3, EF_ARM_EABIMASK)
260 BCaseMask(EF_ARM_EABI_VER4, EF_ARM_EABIMASK)
261 BCaseMask(EF_ARM_EABI_VER5, EF_ARM_EABIMASK)
262 break;
263 case ELF::EM_MIPS:
264 BCase(EF_MIPS_NOREORDER)
265 BCase(EF_MIPS_PIC)
266 BCase(EF_MIPS_CPIC)
267 BCase(EF_MIPS_ABI2)
268 BCase(EF_MIPS_32BITMODE)
269 BCase(EF_MIPS_NAN2008)
270 BCase(EF_MIPS_ABI_O32)
271 BCase(EF_MIPS_MICROMIPS)
272 BCase(EF_MIPS_ARCH_ASE_M16)
273 BCaseMask(EF_MIPS_ARCH_1, EF_MIPS_ARCH)
274 BCaseMask(EF_MIPS_ARCH_2, EF_MIPS_ARCH)
275 BCaseMask(EF_MIPS_ARCH_3, EF_MIPS_ARCH)
276 BCaseMask(EF_MIPS_ARCH_4, EF_MIPS_ARCH)
277 BCaseMask(EF_MIPS_ARCH_5, EF_MIPS_ARCH)
278 BCaseMask(EF_MIPS_ARCH_32, EF_MIPS_ARCH)
279 BCaseMask(EF_MIPS_ARCH_64, EF_MIPS_ARCH)
280 BCaseMask(EF_MIPS_ARCH_32R2, EF_MIPS_ARCH)
281 BCaseMask(EF_MIPS_ARCH_64R2, EF_MIPS_ARCH)
282 BCaseMask(EF_MIPS_ARCH_32R6, EF_MIPS_ARCH)
283 BCaseMask(EF_MIPS_ARCH_64R6, EF_MIPS_ARCH)
284 break;
285 case ELF::EM_HEXAGON:
286 BCase(EF_HEXAGON_MACH_V2)
287 BCase(EF_HEXAGON_MACH_V3)
288 BCase(EF_HEXAGON_MACH_V4)
289 BCase(EF_HEXAGON_MACH_V5)
290 BCase(EF_HEXAGON_ISA_V2)
291 BCase(EF_HEXAGON_ISA_V3)
292 BCase(EF_HEXAGON_ISA_V4)
293 BCase(EF_HEXAGON_ISA_V5)
294 break;
295 default:
296 llvm_unreachable("Unsupported architecture");
297 }
298 #undef BCase
299 #undef BCaseMask
300 }
301
enumeration(IO & IO,ELFYAML::ELF_SHT & Value)302 void ScalarEnumerationTraits<ELFYAML::ELF_SHT>::enumeration(
303 IO &IO, ELFYAML::ELF_SHT &Value) {
304 const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
305 assert(Object && "The IO context is not initialized");
306 #define ECase(X) IO.enumCase(Value, #X, ELF::X);
307 ECase(SHT_NULL)
308 ECase(SHT_PROGBITS)
309 // No SHT_SYMTAB. Use the top-level `Symbols` key instead.
310 // FIXME: Issue a diagnostic with this information.
311 ECase(SHT_STRTAB)
312 ECase(SHT_RELA)
313 ECase(SHT_HASH)
314 ECase(SHT_DYNAMIC)
315 ECase(SHT_NOTE)
316 ECase(SHT_NOBITS)
317 ECase(SHT_REL)
318 ECase(SHT_SHLIB)
319 ECase(SHT_DYNSYM)
320 ECase(SHT_INIT_ARRAY)
321 ECase(SHT_FINI_ARRAY)
322 ECase(SHT_PREINIT_ARRAY)
323 ECase(SHT_GROUP)
324 ECase(SHT_SYMTAB_SHNDX)
325 ECase(SHT_LOOS)
326 ECase(SHT_GNU_ATTRIBUTES)
327 ECase(SHT_GNU_HASH)
328 ECase(SHT_GNU_verdef)
329 ECase(SHT_GNU_verneed)
330 ECase(SHT_GNU_versym)
331 ECase(SHT_HIOS)
332 ECase(SHT_LOPROC)
333 switch (Object->Header.Machine) {
334 case ELF::EM_ARM:
335 ECase(SHT_ARM_EXIDX)
336 ECase(SHT_ARM_PREEMPTMAP)
337 ECase(SHT_ARM_ATTRIBUTES)
338 ECase(SHT_ARM_DEBUGOVERLAY)
339 ECase(SHT_ARM_OVERLAYSECTION)
340 break;
341 case ELF::EM_HEXAGON:
342 ECase(SHT_HEX_ORDERED)
343 break;
344 case ELF::EM_X86_64:
345 ECase(SHT_X86_64_UNWIND)
346 break;
347 case ELF::EM_MIPS:
348 ECase(SHT_MIPS_REGINFO)
349 ECase(SHT_MIPS_OPTIONS)
350 ECase(SHT_MIPS_ABIFLAGS)
351 break;
352 default:
353 // Nothing to do.
354 break;
355 }
356 #undef ECase
357 }
358
bitset(IO & IO,ELFYAML::ELF_SHF & Value)359 void ScalarBitSetTraits<ELFYAML::ELF_SHF>::bitset(IO &IO,
360 ELFYAML::ELF_SHF &Value) {
361 #define BCase(X) IO.bitSetCase(Value, #X, ELF::X);
362 BCase(SHF_WRITE)
363 BCase(SHF_ALLOC)
364 BCase(SHF_EXCLUDE)
365 BCase(SHF_EXECINSTR)
366 BCase(SHF_MERGE)
367 BCase(SHF_STRINGS)
368 BCase(SHF_INFO_LINK)
369 BCase(SHF_LINK_ORDER)
370 BCase(SHF_OS_NONCONFORMING)
371 BCase(SHF_GROUP)
372 BCase(SHF_TLS)
373 #undef BCase
374 }
375
enumeration(IO & IO,ELFYAML::ELF_STT & Value)376 void ScalarEnumerationTraits<ELFYAML::ELF_STT>::enumeration(
377 IO &IO, ELFYAML::ELF_STT &Value) {
378 #define ECase(X) IO.enumCase(Value, #X, ELF::X);
379 ECase(STT_NOTYPE)
380 ECase(STT_OBJECT)
381 ECase(STT_FUNC)
382 ECase(STT_SECTION)
383 ECase(STT_FILE)
384 ECase(STT_COMMON)
385 ECase(STT_TLS)
386 ECase(STT_GNU_IFUNC)
387 #undef ECase
388 }
389
enumeration(IO & IO,ELFYAML::ELF_STV & Value)390 void ScalarEnumerationTraits<ELFYAML::ELF_STV>::enumeration(
391 IO &IO, ELFYAML::ELF_STV &Value) {
392 #define ECase(X) IO.enumCase(Value, #X, ELF::X);
393 ECase(STV_DEFAULT)
394 ECase(STV_INTERNAL)
395 ECase(STV_HIDDEN)
396 ECase(STV_PROTECTED)
397 #undef ECase
398 }
399
bitset(IO & IO,ELFYAML::ELF_STO & Value)400 void ScalarBitSetTraits<ELFYAML::ELF_STO>::bitset(IO &IO,
401 ELFYAML::ELF_STO &Value) {
402 const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
403 assert(Object && "The IO context is not initialized");
404 #define BCase(X) IO.bitSetCase(Value, #X, ELF::X);
405 switch (Object->Header.Machine) {
406 case ELF::EM_MIPS:
407 BCase(STO_MIPS_OPTIONAL)
408 BCase(STO_MIPS_PLT)
409 BCase(STO_MIPS_PIC)
410 BCase(STO_MIPS_MICROMIPS)
411 break;
412 default:
413 break; // Nothing to do
414 }
415 #undef BCase
416 #undef BCaseMask
417 }
418
enumeration(IO & IO,ELFYAML::ELF_RSS & Value)419 void ScalarEnumerationTraits<ELFYAML::ELF_RSS>::enumeration(
420 IO &IO, ELFYAML::ELF_RSS &Value) {
421 #define ECase(X) IO.enumCase(Value, #X, ELF::X);
422 ECase(RSS_UNDEF)
423 ECase(RSS_GP)
424 ECase(RSS_GP0)
425 ECase(RSS_LOC)
426 #undef ECase
427 }
428
enumeration(IO & IO,ELFYAML::ELF_REL & Value)429 void ScalarEnumerationTraits<ELFYAML::ELF_REL>::enumeration(
430 IO &IO, ELFYAML::ELF_REL &Value) {
431 const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
432 assert(Object && "The IO context is not initialized");
433 #define ELF_RELOC(X, Y) IO.enumCase(Value, #X, ELF::X);
434 switch (Object->Header.Machine) {
435 case ELF::EM_X86_64:
436 #include "llvm/Support/ELFRelocs/x86_64.def"
437 break;
438 case ELF::EM_MIPS:
439 #include "llvm/Support/ELFRelocs/Mips.def"
440 break;
441 case ELF::EM_HEXAGON:
442 #include "llvm/Support/ELFRelocs/Hexagon.def"
443 break;
444 case ELF::EM_386:
445 #include "llvm/Support/ELFRelocs/i386.def"
446 break;
447 case ELF::EM_AARCH64:
448 #include "llvm/Support/ELFRelocs/AArch64.def"
449 break;
450 case ELF::EM_ARM:
451 #include "llvm/Support/ELFRelocs/ARM.def"
452 break;
453 default:
454 llvm_unreachable("Unsupported architecture");
455 }
456 #undef ELF_RELOC
457 }
458
mapping(IO & IO,ELFYAML::FileHeader & FileHdr)459 void MappingTraits<ELFYAML::FileHeader>::mapping(IO &IO,
460 ELFYAML::FileHeader &FileHdr) {
461 IO.mapRequired("Class", FileHdr.Class);
462 IO.mapRequired("Data", FileHdr.Data);
463 IO.mapOptional("OSABI", FileHdr.OSABI, ELFYAML::ELF_ELFOSABI(0));
464 IO.mapRequired("Type", FileHdr.Type);
465 IO.mapRequired("Machine", FileHdr.Machine);
466 IO.mapOptional("Flags", FileHdr.Flags, ELFYAML::ELF_EF(0));
467 IO.mapOptional("Entry", FileHdr.Entry, Hex64(0));
468 }
469
470 namespace {
471 struct NormalizedOther {
NormalizedOtherllvm::yaml::__anoncf04e6820111::NormalizedOther472 NormalizedOther(IO &)
473 : Visibility(ELFYAML::ELF_STV(0)), Other(ELFYAML::ELF_STO(0)) {}
NormalizedOtherllvm::yaml::__anoncf04e6820111::NormalizedOther474 NormalizedOther(IO &, uint8_t Original)
475 : Visibility(Original & 0x3), Other(Original & ~0x3) {}
476
denormalizellvm::yaml::__anoncf04e6820111::NormalizedOther477 uint8_t denormalize(IO &) { return Visibility | Other; }
478
479 ELFYAML::ELF_STV Visibility;
480 ELFYAML::ELF_STO Other;
481 };
482 }
483
mapping(IO & IO,ELFYAML::Symbol & Symbol)484 void MappingTraits<ELFYAML::Symbol>::mapping(IO &IO, ELFYAML::Symbol &Symbol) {
485 IO.mapOptional("Name", Symbol.Name, StringRef());
486 IO.mapOptional("Type", Symbol.Type, ELFYAML::ELF_STT(0));
487 IO.mapOptional("Section", Symbol.Section, StringRef());
488 IO.mapOptional("Value", Symbol.Value, Hex64(0));
489 IO.mapOptional("Size", Symbol.Size, Hex64(0));
490
491 MappingNormalization<NormalizedOther, uint8_t> Keys(IO, Symbol.Other);
492 IO.mapOptional("Visibility", Keys->Visibility, ELFYAML::ELF_STV(0));
493 IO.mapOptional("Other", Keys->Other, ELFYAML::ELF_STO(0));
494 }
495
mapping(IO & IO,ELFYAML::LocalGlobalWeakSymbols & Symbols)496 void MappingTraits<ELFYAML::LocalGlobalWeakSymbols>::mapping(
497 IO &IO, ELFYAML::LocalGlobalWeakSymbols &Symbols) {
498 IO.mapOptional("Local", Symbols.Local);
499 IO.mapOptional("Global", Symbols.Global);
500 IO.mapOptional("Weak", Symbols.Weak);
501 }
502
commonSectionMapping(IO & IO,ELFYAML::Section & Section)503 static void commonSectionMapping(IO &IO, ELFYAML::Section &Section) {
504 IO.mapOptional("Name", Section.Name, StringRef());
505 IO.mapRequired("Type", Section.Type);
506 IO.mapOptional("Flags", Section.Flags, ELFYAML::ELF_SHF(0));
507 IO.mapOptional("Address", Section.Address, Hex64(0));
508 IO.mapOptional("Link", Section.Link, StringRef());
509 IO.mapOptional("AddressAlign", Section.AddressAlign, Hex64(0));
510 IO.mapOptional("Info", Section.Info, StringRef());
511 }
512
sectionMapping(IO & IO,ELFYAML::RawContentSection & Section)513 static void sectionMapping(IO &IO, ELFYAML::RawContentSection &Section) {
514 commonSectionMapping(IO, Section);
515 IO.mapOptional("Content", Section.Content);
516 IO.mapOptional("Size", Section.Size, Hex64(Section.Content.binary_size()));
517 }
518
sectionMapping(IO & IO,ELFYAML::RelocationSection & Section)519 static void sectionMapping(IO &IO, ELFYAML::RelocationSection &Section) {
520 commonSectionMapping(IO, Section);
521 IO.mapOptional("Relocations", Section.Relocations);
522 }
523
groupSectionMapping(IO & IO,ELFYAML::Group & group)524 static void groupSectionMapping(IO &IO, ELFYAML::Group &group) {
525 commonSectionMapping(IO, group);
526 IO.mapRequired("Members", group.Members);
527 }
528
mapping(IO & IO,ELFYAML::SectionOrType & sectionOrType)529 void MappingTraits<ELFYAML::SectionOrType>::mapping(
530 IO &IO, ELFYAML::SectionOrType §ionOrType) {
531 IO.mapRequired("SectionOrType", sectionOrType.sectionNameOrType);
532 }
533
mapping(IO & IO,std::unique_ptr<ELFYAML::Section> & Section)534 void MappingTraits<std::unique_ptr<ELFYAML::Section>>::mapping(
535 IO &IO, std::unique_ptr<ELFYAML::Section> &Section) {
536 ELFYAML::ELF_SHT sectionType;
537 if (IO.outputting())
538 sectionType = Section->Type;
539 else
540 IO.mapRequired("Type", sectionType);
541
542 switch (sectionType) {
543 case ELF::SHT_REL:
544 case ELF::SHT_RELA:
545 if (!IO.outputting())
546 Section.reset(new ELFYAML::RelocationSection());
547 sectionMapping(IO, *cast<ELFYAML::RelocationSection>(Section.get()));
548 break;
549 case ELF::SHT_GROUP:
550 if (!IO.outputting())
551 Section.reset(new ELFYAML::Group());
552 groupSectionMapping(IO, *cast<ELFYAML::Group>(Section.get()));
553 break;
554 default:
555 if (!IO.outputting())
556 Section.reset(new ELFYAML::RawContentSection());
557 sectionMapping(IO, *cast<ELFYAML::RawContentSection>(Section.get()));
558 }
559 }
560
validate(IO & io,std::unique_ptr<ELFYAML::Section> & Section)561 StringRef MappingTraits<std::unique_ptr<ELFYAML::Section>>::validate(
562 IO &io, std::unique_ptr<ELFYAML::Section> &Section) {
563 const auto *RawSection = dyn_cast<ELFYAML::RawContentSection>(Section.get());
564 if (!RawSection || RawSection->Size >= RawSection->Content.binary_size())
565 return StringRef();
566 return "Section size must be greater or equal to the content size";
567 }
568
569 namespace {
570 struct NormalizedMips64RelType {
NormalizedMips64RelTypellvm::yaml::__anoncf04e6820211::NormalizedMips64RelType571 NormalizedMips64RelType(IO &)
572 : Type(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)),
573 Type2(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)),
574 Type3(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)),
575 SpecSym(ELFYAML::ELF_REL(ELF::RSS_UNDEF)) {}
NormalizedMips64RelTypellvm::yaml::__anoncf04e6820211::NormalizedMips64RelType576 NormalizedMips64RelType(IO &, ELFYAML::ELF_REL Original)
577 : Type(Original & 0xFF), Type2(Original >> 8 & 0xFF),
578 Type3(Original >> 16 & 0xFF), SpecSym(Original >> 24 & 0xFF) {}
579
denormalizellvm::yaml::__anoncf04e6820211::NormalizedMips64RelType580 ELFYAML::ELF_REL denormalize(IO &) {
581 ELFYAML::ELF_REL Res = Type | Type2 << 8 | Type3 << 16 | SpecSym << 24;
582 return Res;
583 }
584
585 ELFYAML::ELF_REL Type;
586 ELFYAML::ELF_REL Type2;
587 ELFYAML::ELF_REL Type3;
588 ELFYAML::ELF_RSS SpecSym;
589 };
590 }
591
mapping(IO & IO,ELFYAML::Relocation & Rel)592 void MappingTraits<ELFYAML::Relocation>::mapping(IO &IO,
593 ELFYAML::Relocation &Rel) {
594 const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
595 assert(Object && "The IO context is not initialized");
596
597 IO.mapRequired("Offset", Rel.Offset);
598 IO.mapRequired("Symbol", Rel.Symbol);
599
600 if (Object->Header.Machine == ELFYAML::ELF_EM(ELF::EM_MIPS) &&
601 Object->Header.Class == ELFYAML::ELF_ELFCLASS(ELF::ELFCLASS64)) {
602 MappingNormalization<NormalizedMips64RelType, ELFYAML::ELF_REL> Key(
603 IO, Rel.Type);
604 IO.mapRequired("Type", Key->Type);
605 IO.mapOptional("Type2", Key->Type2, ELFYAML::ELF_REL(ELF::R_MIPS_NONE));
606 IO.mapOptional("Type3", Key->Type3, ELFYAML::ELF_REL(ELF::R_MIPS_NONE));
607 IO.mapOptional("SpecSym", Key->SpecSym, ELFYAML::ELF_RSS(ELF::RSS_UNDEF));
608 } else
609 IO.mapRequired("Type", Rel.Type);
610
611 IO.mapOptional("Addend", Rel.Addend, (int64_t)0);
612 }
613
mapping(IO & IO,ELFYAML::Object & Object)614 void MappingTraits<ELFYAML::Object>::mapping(IO &IO, ELFYAML::Object &Object) {
615 assert(!IO.getContext() && "The IO context is initialized already");
616 IO.setContext(&Object);
617 IO.mapRequired("FileHeader", Object.Header);
618 IO.mapOptional("Sections", Object.Sections);
619 IO.mapOptional("Symbols", Object.Symbols);
620 IO.setContext(nullptr);
621 }
622
623 } // end namespace yaml
624 } // end namespace llvm
625