xref: /freebsd/contrib/llvm-project/llvm/lib/ObjectYAML/ELFYAML.cpp (revision fcaf7f8644a9988098ac6be2165bce3ea4786e91)
1 //===- ELFYAML.cpp - ELF 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 ELF.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #include "llvm/ObjectYAML/ELFYAML.h"
14 #include "llvm/ADT/APInt.h"
15 #include "llvm/ADT/MapVector.h"
16 #include "llvm/ADT/StringRef.h"
17 #include "llvm/BinaryFormat/ELF.h"
18 #include "llvm/Support/ARMEHABI.h"
19 #include "llvm/Support/Casting.h"
20 #include "llvm/Support/ErrorHandling.h"
21 #include "llvm/Support/MipsABIFlags.h"
22 #include "llvm/Support/YAMLTraits.h"
23 #include "llvm/Support/WithColor.h"
24 #include <cassert>
25 #include <cstdint>
26 
27 namespace llvm {
28 
29 ELFYAML::Chunk::~Chunk() = default;
30 
31 namespace ELFYAML {
32 ELF_ELFOSABI Object::getOSAbi() const { return Header.OSABI; }
33 
34 unsigned Object::getMachine() const {
35   if (Header.Machine)
36     return *Header.Machine;
37   return llvm::ELF::EM_NONE;
38 }
39 
40 constexpr StringRef SectionHeaderTable::TypeStr;
41 } // namespace ELFYAML
42 
43 namespace yaml {
44 
45 void ScalarEnumerationTraits<ELFYAML::ELF_ET>::enumeration(
46     IO &IO, ELFYAML::ELF_ET &Value) {
47 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
48   ECase(ET_NONE);
49   ECase(ET_REL);
50   ECase(ET_EXEC);
51   ECase(ET_DYN);
52   ECase(ET_CORE);
53 #undef ECase
54   IO.enumFallback<Hex16>(Value);
55 }
56 
57 void ScalarEnumerationTraits<ELFYAML::ELF_PT>::enumeration(
58     IO &IO, ELFYAML::ELF_PT &Value) {
59 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
60   ECase(PT_NULL);
61   ECase(PT_LOAD);
62   ECase(PT_DYNAMIC);
63   ECase(PT_INTERP);
64   ECase(PT_NOTE);
65   ECase(PT_SHLIB);
66   ECase(PT_PHDR);
67   ECase(PT_TLS);
68   ECase(PT_GNU_EH_FRAME);
69   ECase(PT_GNU_STACK);
70   ECase(PT_GNU_RELRO);
71   ECase(PT_GNU_PROPERTY);
72 #undef ECase
73   IO.enumFallback<Hex32>(Value);
74 }
75 
76 void ScalarEnumerationTraits<ELFYAML::ELF_NT>::enumeration(
77     IO &IO, ELFYAML::ELF_NT &Value) {
78 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
79   // Generic note types.
80   ECase(NT_VERSION);
81   ECase(NT_ARCH);
82   ECase(NT_GNU_BUILD_ATTRIBUTE_OPEN);
83   ECase(NT_GNU_BUILD_ATTRIBUTE_FUNC);
84   // Core note types.
85   ECase(NT_PRSTATUS);
86   ECase(NT_FPREGSET);
87   ECase(NT_PRPSINFO);
88   ECase(NT_TASKSTRUCT);
89   ECase(NT_AUXV);
90   ECase(NT_PSTATUS);
91   ECase(NT_FPREGS);
92   ECase(NT_PSINFO);
93   ECase(NT_LWPSTATUS);
94   ECase(NT_LWPSINFO);
95   ECase(NT_WIN32PSTATUS);
96   ECase(NT_PPC_VMX);
97   ECase(NT_PPC_VSX);
98   ECase(NT_PPC_TAR);
99   ECase(NT_PPC_PPR);
100   ECase(NT_PPC_DSCR);
101   ECase(NT_PPC_EBB);
102   ECase(NT_PPC_PMU);
103   ECase(NT_PPC_TM_CGPR);
104   ECase(NT_PPC_TM_CFPR);
105   ECase(NT_PPC_TM_CVMX);
106   ECase(NT_PPC_TM_CVSX);
107   ECase(NT_PPC_TM_SPR);
108   ECase(NT_PPC_TM_CTAR);
109   ECase(NT_PPC_TM_CPPR);
110   ECase(NT_PPC_TM_CDSCR);
111   ECase(NT_386_TLS);
112   ECase(NT_386_IOPERM);
113   ECase(NT_X86_XSTATE);
114   ECase(NT_S390_HIGH_GPRS);
115   ECase(NT_S390_TIMER);
116   ECase(NT_S390_TODCMP);
117   ECase(NT_S390_TODPREG);
118   ECase(NT_S390_CTRS);
119   ECase(NT_S390_PREFIX);
120   ECase(NT_S390_LAST_BREAK);
121   ECase(NT_S390_SYSTEM_CALL);
122   ECase(NT_S390_TDB);
123   ECase(NT_S390_VXRS_LOW);
124   ECase(NT_S390_VXRS_HIGH);
125   ECase(NT_S390_GS_CB);
126   ECase(NT_S390_GS_BC);
127   ECase(NT_ARM_VFP);
128   ECase(NT_ARM_TLS);
129   ECase(NT_ARM_HW_BREAK);
130   ECase(NT_ARM_HW_WATCH);
131   ECase(NT_ARM_SVE);
132   ECase(NT_ARM_PAC_MASK);
133   ECase(NT_FILE);
134   ECase(NT_PRXFPREG);
135   ECase(NT_SIGINFO);
136   // LLVM-specific notes.
137   ECase(NT_LLVM_HWASAN_GLOBALS);
138   // GNU note types
139   ECase(NT_GNU_ABI_TAG);
140   ECase(NT_GNU_HWCAP);
141   ECase(NT_GNU_BUILD_ID);
142   ECase(NT_GNU_GOLD_VERSION);
143   ECase(NT_GNU_PROPERTY_TYPE_0);
144   // FreeBSD note types.
145   ECase(NT_FREEBSD_ABI_TAG);
146   ECase(NT_FREEBSD_NOINIT_TAG);
147   ECase(NT_FREEBSD_ARCH_TAG);
148   ECase(NT_FREEBSD_FEATURE_CTL);
149   // FreeBSD core note types.
150   ECase(NT_FREEBSD_THRMISC);
151   ECase(NT_FREEBSD_PROCSTAT_PROC);
152   ECase(NT_FREEBSD_PROCSTAT_FILES);
153   ECase(NT_FREEBSD_PROCSTAT_VMMAP);
154   ECase(NT_FREEBSD_PROCSTAT_GROUPS);
155   ECase(NT_FREEBSD_PROCSTAT_UMASK);
156   ECase(NT_FREEBSD_PROCSTAT_RLIMIT);
157   ECase(NT_FREEBSD_PROCSTAT_OSREL);
158   ECase(NT_FREEBSD_PROCSTAT_PSSTRINGS);
159   ECase(NT_FREEBSD_PROCSTAT_AUXV);
160   // NetBSD core note types.
161   ECase(NT_NETBSDCORE_PROCINFO);
162   ECase(NT_NETBSDCORE_AUXV);
163   ECase(NT_NETBSDCORE_LWPSTATUS);
164   // OpenBSD core note types.
165   ECase(NT_OPENBSD_PROCINFO);
166   ECase(NT_OPENBSD_AUXV);
167   ECase(NT_OPENBSD_REGS);
168   ECase(NT_OPENBSD_FPREGS);
169   ECase(NT_OPENBSD_XFPREGS);
170   ECase(NT_OPENBSD_WCOOKIE);
171   // AMD specific notes. (Code Object V2)
172   ECase(NT_AMD_HSA_CODE_OBJECT_VERSION);
173   ECase(NT_AMD_HSA_HSAIL);
174   ECase(NT_AMD_HSA_ISA_VERSION);
175   ECase(NT_AMD_HSA_METADATA);
176   ECase(NT_AMD_HSA_ISA_NAME);
177   ECase(NT_AMD_PAL_METADATA);
178   // AMDGPU specific notes. (Code Object V3)
179   ECase(NT_AMDGPU_METADATA);
180   // Android specific notes.
181   ECase(NT_ANDROID_TYPE_IDENT);
182   ECase(NT_ANDROID_TYPE_KUSER);
183   ECase(NT_ANDROID_TYPE_MEMTAG);
184 #undef ECase
185   IO.enumFallback<Hex32>(Value);
186 }
187 
188 void ScalarEnumerationTraits<ELFYAML::ELF_EM>::enumeration(
189     IO &IO, ELFYAML::ELF_EM &Value) {
190 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
191   ECase(EM_NONE);
192   ECase(EM_M32);
193   ECase(EM_SPARC);
194   ECase(EM_386);
195   ECase(EM_68K);
196   ECase(EM_88K);
197   ECase(EM_IAMCU);
198   ECase(EM_860);
199   ECase(EM_MIPS);
200   ECase(EM_S370);
201   ECase(EM_MIPS_RS3_LE);
202   ECase(EM_PARISC);
203   ECase(EM_VPP500);
204   ECase(EM_SPARC32PLUS);
205   ECase(EM_960);
206   ECase(EM_PPC);
207   ECase(EM_PPC64);
208   ECase(EM_S390);
209   ECase(EM_SPU);
210   ECase(EM_V800);
211   ECase(EM_FR20);
212   ECase(EM_RH32);
213   ECase(EM_RCE);
214   ECase(EM_ARM);
215   ECase(EM_ALPHA);
216   ECase(EM_SH);
217   ECase(EM_SPARCV9);
218   ECase(EM_TRICORE);
219   ECase(EM_ARC);
220   ECase(EM_H8_300);
221   ECase(EM_H8_300H);
222   ECase(EM_H8S);
223   ECase(EM_H8_500);
224   ECase(EM_IA_64);
225   ECase(EM_MIPS_X);
226   ECase(EM_COLDFIRE);
227   ECase(EM_68HC12);
228   ECase(EM_MMA);
229   ECase(EM_PCP);
230   ECase(EM_NCPU);
231   ECase(EM_NDR1);
232   ECase(EM_STARCORE);
233   ECase(EM_ME16);
234   ECase(EM_ST100);
235   ECase(EM_TINYJ);
236   ECase(EM_X86_64);
237   ECase(EM_PDSP);
238   ECase(EM_PDP10);
239   ECase(EM_PDP11);
240   ECase(EM_FX66);
241   ECase(EM_ST9PLUS);
242   ECase(EM_ST7);
243   ECase(EM_68HC16);
244   ECase(EM_68HC11);
245   ECase(EM_68HC08);
246   ECase(EM_68HC05);
247   ECase(EM_SVX);
248   ECase(EM_ST19);
249   ECase(EM_VAX);
250   ECase(EM_CRIS);
251   ECase(EM_JAVELIN);
252   ECase(EM_FIREPATH);
253   ECase(EM_ZSP);
254   ECase(EM_MMIX);
255   ECase(EM_HUANY);
256   ECase(EM_PRISM);
257   ECase(EM_AVR);
258   ECase(EM_FR30);
259   ECase(EM_D10V);
260   ECase(EM_D30V);
261   ECase(EM_V850);
262   ECase(EM_M32R);
263   ECase(EM_MN10300);
264   ECase(EM_MN10200);
265   ECase(EM_PJ);
266   ECase(EM_OPENRISC);
267   ECase(EM_ARC_COMPACT);
268   ECase(EM_XTENSA);
269   ECase(EM_VIDEOCORE);
270   ECase(EM_TMM_GPP);
271   ECase(EM_NS32K);
272   ECase(EM_TPC);
273   ECase(EM_SNP1K);
274   ECase(EM_ST200);
275   ECase(EM_IP2K);
276   ECase(EM_MAX);
277   ECase(EM_CR);
278   ECase(EM_F2MC16);
279   ECase(EM_MSP430);
280   ECase(EM_BLACKFIN);
281   ECase(EM_SE_C33);
282   ECase(EM_SEP);
283   ECase(EM_ARCA);
284   ECase(EM_UNICORE);
285   ECase(EM_EXCESS);
286   ECase(EM_DXP);
287   ECase(EM_ALTERA_NIOS2);
288   ECase(EM_CRX);
289   ECase(EM_XGATE);
290   ECase(EM_C166);
291   ECase(EM_M16C);
292   ECase(EM_DSPIC30F);
293   ECase(EM_CE);
294   ECase(EM_M32C);
295   ECase(EM_TSK3000);
296   ECase(EM_RS08);
297   ECase(EM_SHARC);
298   ECase(EM_ECOG2);
299   ECase(EM_SCORE7);
300   ECase(EM_DSP24);
301   ECase(EM_VIDEOCORE3);
302   ECase(EM_LATTICEMICO32);
303   ECase(EM_SE_C17);
304   ECase(EM_TI_C6000);
305   ECase(EM_TI_C2000);
306   ECase(EM_TI_C5500);
307   ECase(EM_MMDSP_PLUS);
308   ECase(EM_CYPRESS_M8C);
309   ECase(EM_R32C);
310   ECase(EM_TRIMEDIA);
311   ECase(EM_HEXAGON);
312   ECase(EM_8051);
313   ECase(EM_STXP7X);
314   ECase(EM_NDS32);
315   ECase(EM_ECOG1);
316   ECase(EM_ECOG1X);
317   ECase(EM_MAXQ30);
318   ECase(EM_XIMO16);
319   ECase(EM_MANIK);
320   ECase(EM_CRAYNV2);
321   ECase(EM_RX);
322   ECase(EM_METAG);
323   ECase(EM_MCST_ELBRUS);
324   ECase(EM_ECOG16);
325   ECase(EM_CR16);
326   ECase(EM_ETPU);
327   ECase(EM_SLE9X);
328   ECase(EM_L10M);
329   ECase(EM_K10M);
330   ECase(EM_AARCH64);
331   ECase(EM_AVR32);
332   ECase(EM_STM8);
333   ECase(EM_TILE64);
334   ECase(EM_TILEPRO);
335   ECase(EM_MICROBLAZE);
336   ECase(EM_CUDA);
337   ECase(EM_TILEGX);
338   ECase(EM_CLOUDSHIELD);
339   ECase(EM_COREA_1ST);
340   ECase(EM_COREA_2ND);
341   ECase(EM_ARC_COMPACT2);
342   ECase(EM_OPEN8);
343   ECase(EM_RL78);
344   ECase(EM_VIDEOCORE5);
345   ECase(EM_78KOR);
346   ECase(EM_56800EX);
347   ECase(EM_AMDGPU);
348   ECase(EM_RISCV);
349   ECase(EM_LANAI);
350   ECase(EM_BPF);
351   ECase(EM_VE);
352   ECase(EM_CSKY);
353   ECase(EM_LOONGARCH);
354 #undef ECase
355   IO.enumFallback<Hex16>(Value);
356 }
357 
358 void ScalarEnumerationTraits<ELFYAML::ELF_ELFCLASS>::enumeration(
359     IO &IO, ELFYAML::ELF_ELFCLASS &Value) {
360 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
361   // Since the semantics of ELFCLASSNONE is "invalid", just don't accept it
362   // here.
363   ECase(ELFCLASS32);
364   ECase(ELFCLASS64);
365 #undef ECase
366 }
367 
368 void ScalarEnumerationTraits<ELFYAML::ELF_ELFDATA>::enumeration(
369     IO &IO, ELFYAML::ELF_ELFDATA &Value) {
370 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
371   // ELFDATANONE is an invalid data encoding, but we accept it because
372   // we want to be able to produce invalid binaries for the tests.
373   ECase(ELFDATANONE);
374   ECase(ELFDATA2LSB);
375   ECase(ELFDATA2MSB);
376 #undef ECase
377 }
378 
379 void ScalarEnumerationTraits<ELFYAML::ELF_ELFOSABI>::enumeration(
380     IO &IO, ELFYAML::ELF_ELFOSABI &Value) {
381 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
382   ECase(ELFOSABI_NONE);
383   ECase(ELFOSABI_HPUX);
384   ECase(ELFOSABI_NETBSD);
385   ECase(ELFOSABI_GNU);
386   ECase(ELFOSABI_LINUX);
387   ECase(ELFOSABI_HURD);
388   ECase(ELFOSABI_SOLARIS);
389   ECase(ELFOSABI_AIX);
390   ECase(ELFOSABI_IRIX);
391   ECase(ELFOSABI_FREEBSD);
392   ECase(ELFOSABI_TRU64);
393   ECase(ELFOSABI_MODESTO);
394   ECase(ELFOSABI_OPENBSD);
395   ECase(ELFOSABI_OPENVMS);
396   ECase(ELFOSABI_NSK);
397   ECase(ELFOSABI_AROS);
398   ECase(ELFOSABI_FENIXOS);
399   ECase(ELFOSABI_CLOUDABI);
400   ECase(ELFOSABI_AMDGPU_HSA);
401   ECase(ELFOSABI_AMDGPU_PAL);
402   ECase(ELFOSABI_AMDGPU_MESA3D);
403   ECase(ELFOSABI_ARM);
404   ECase(ELFOSABI_C6000_ELFABI);
405   ECase(ELFOSABI_C6000_LINUX);
406   ECase(ELFOSABI_STANDALONE);
407 #undef ECase
408   IO.enumFallback<Hex8>(Value);
409 }
410 
411 void ScalarBitSetTraits<ELFYAML::ELF_EF>::bitset(IO &IO,
412                                                  ELFYAML::ELF_EF &Value) {
413   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
414   assert(Object && "The IO context is not initialized");
415 #define BCase(X) IO.bitSetCase(Value, #X, ELF::X)
416 #define BCaseMask(X, M) IO.maskedBitSetCase(Value, #X, ELF::X, ELF::M)
417   switch (Object->getMachine()) {
418   case ELF::EM_ARM:
419     BCase(EF_ARM_SOFT_FLOAT);
420     BCase(EF_ARM_VFP_FLOAT);
421     BCaseMask(EF_ARM_EABI_UNKNOWN, EF_ARM_EABIMASK);
422     BCaseMask(EF_ARM_EABI_VER1, EF_ARM_EABIMASK);
423     BCaseMask(EF_ARM_EABI_VER2, EF_ARM_EABIMASK);
424     BCaseMask(EF_ARM_EABI_VER3, EF_ARM_EABIMASK);
425     BCaseMask(EF_ARM_EABI_VER4, EF_ARM_EABIMASK);
426     BCaseMask(EF_ARM_EABI_VER5, EF_ARM_EABIMASK);
427     break;
428   case ELF::EM_MIPS:
429     BCase(EF_MIPS_NOREORDER);
430     BCase(EF_MIPS_PIC);
431     BCase(EF_MIPS_CPIC);
432     BCase(EF_MIPS_ABI2);
433     BCase(EF_MIPS_32BITMODE);
434     BCase(EF_MIPS_FP64);
435     BCase(EF_MIPS_NAN2008);
436     BCase(EF_MIPS_MICROMIPS);
437     BCase(EF_MIPS_ARCH_ASE_M16);
438     BCase(EF_MIPS_ARCH_ASE_MDMX);
439     BCaseMask(EF_MIPS_ABI_O32, EF_MIPS_ABI);
440     BCaseMask(EF_MIPS_ABI_O64, EF_MIPS_ABI);
441     BCaseMask(EF_MIPS_ABI_EABI32, EF_MIPS_ABI);
442     BCaseMask(EF_MIPS_ABI_EABI64, EF_MIPS_ABI);
443     BCaseMask(EF_MIPS_MACH_3900, EF_MIPS_MACH);
444     BCaseMask(EF_MIPS_MACH_4010, EF_MIPS_MACH);
445     BCaseMask(EF_MIPS_MACH_4100, EF_MIPS_MACH);
446     BCaseMask(EF_MIPS_MACH_4650, EF_MIPS_MACH);
447     BCaseMask(EF_MIPS_MACH_4120, EF_MIPS_MACH);
448     BCaseMask(EF_MIPS_MACH_4111, EF_MIPS_MACH);
449     BCaseMask(EF_MIPS_MACH_SB1, EF_MIPS_MACH);
450     BCaseMask(EF_MIPS_MACH_OCTEON, EF_MIPS_MACH);
451     BCaseMask(EF_MIPS_MACH_XLR, EF_MIPS_MACH);
452     BCaseMask(EF_MIPS_MACH_OCTEON2, EF_MIPS_MACH);
453     BCaseMask(EF_MIPS_MACH_OCTEON3, EF_MIPS_MACH);
454     BCaseMask(EF_MIPS_MACH_5400, EF_MIPS_MACH);
455     BCaseMask(EF_MIPS_MACH_5900, EF_MIPS_MACH);
456     BCaseMask(EF_MIPS_MACH_5500, EF_MIPS_MACH);
457     BCaseMask(EF_MIPS_MACH_9000, EF_MIPS_MACH);
458     BCaseMask(EF_MIPS_MACH_LS2E, EF_MIPS_MACH);
459     BCaseMask(EF_MIPS_MACH_LS2F, EF_MIPS_MACH);
460     BCaseMask(EF_MIPS_MACH_LS3A, EF_MIPS_MACH);
461     BCaseMask(EF_MIPS_ARCH_1, EF_MIPS_ARCH);
462     BCaseMask(EF_MIPS_ARCH_2, EF_MIPS_ARCH);
463     BCaseMask(EF_MIPS_ARCH_3, EF_MIPS_ARCH);
464     BCaseMask(EF_MIPS_ARCH_4, EF_MIPS_ARCH);
465     BCaseMask(EF_MIPS_ARCH_5, EF_MIPS_ARCH);
466     BCaseMask(EF_MIPS_ARCH_32, EF_MIPS_ARCH);
467     BCaseMask(EF_MIPS_ARCH_64, EF_MIPS_ARCH);
468     BCaseMask(EF_MIPS_ARCH_32R2, EF_MIPS_ARCH);
469     BCaseMask(EF_MIPS_ARCH_64R2, EF_MIPS_ARCH);
470     BCaseMask(EF_MIPS_ARCH_32R6, EF_MIPS_ARCH);
471     BCaseMask(EF_MIPS_ARCH_64R6, EF_MIPS_ARCH);
472     break;
473   case ELF::EM_HEXAGON:
474     BCaseMask(EF_HEXAGON_MACH_V2, EF_HEXAGON_MACH);
475     BCaseMask(EF_HEXAGON_MACH_V3, EF_HEXAGON_MACH);
476     BCaseMask(EF_HEXAGON_MACH_V4, EF_HEXAGON_MACH);
477     BCaseMask(EF_HEXAGON_MACH_V5, EF_HEXAGON_MACH);
478     BCaseMask(EF_HEXAGON_MACH_V55, EF_HEXAGON_MACH);
479     BCaseMask(EF_HEXAGON_MACH_V60, EF_HEXAGON_MACH);
480     BCaseMask(EF_HEXAGON_MACH_V62, EF_HEXAGON_MACH);
481     BCaseMask(EF_HEXAGON_MACH_V65, EF_HEXAGON_MACH);
482     BCaseMask(EF_HEXAGON_MACH_V66, EF_HEXAGON_MACH);
483     BCaseMask(EF_HEXAGON_MACH_V67, EF_HEXAGON_MACH);
484     BCaseMask(EF_HEXAGON_MACH_V67T, EF_HEXAGON_MACH);
485     BCaseMask(EF_HEXAGON_MACH_V68, EF_HEXAGON_MACH);
486     BCaseMask(EF_HEXAGON_MACH_V69, EF_HEXAGON_MACH);
487     BCaseMask(EF_HEXAGON_ISA_V2, EF_HEXAGON_ISA);
488     BCaseMask(EF_HEXAGON_ISA_V3, EF_HEXAGON_ISA);
489     BCaseMask(EF_HEXAGON_ISA_V4, EF_HEXAGON_ISA);
490     BCaseMask(EF_HEXAGON_ISA_V5, EF_HEXAGON_ISA);
491     BCaseMask(EF_HEXAGON_ISA_V55, EF_HEXAGON_ISA);
492     BCaseMask(EF_HEXAGON_ISA_V60, EF_HEXAGON_ISA);
493     BCaseMask(EF_HEXAGON_ISA_V62, EF_HEXAGON_ISA);
494     BCaseMask(EF_HEXAGON_ISA_V65, EF_HEXAGON_ISA);
495     BCaseMask(EF_HEXAGON_ISA_V66, EF_HEXAGON_ISA);
496     BCaseMask(EF_HEXAGON_ISA_V67, EF_HEXAGON_ISA);
497     BCaseMask(EF_HEXAGON_ISA_V68, EF_HEXAGON_ISA);
498     BCaseMask(EF_HEXAGON_ISA_V69, EF_HEXAGON_ISA);
499     break;
500   case ELF::EM_AVR:
501     BCaseMask(EF_AVR_ARCH_AVR1, EF_AVR_ARCH_MASK);
502     BCaseMask(EF_AVR_ARCH_AVR2, EF_AVR_ARCH_MASK);
503     BCaseMask(EF_AVR_ARCH_AVR25, EF_AVR_ARCH_MASK);
504     BCaseMask(EF_AVR_ARCH_AVR3, EF_AVR_ARCH_MASK);
505     BCaseMask(EF_AVR_ARCH_AVR31, EF_AVR_ARCH_MASK);
506     BCaseMask(EF_AVR_ARCH_AVR35, EF_AVR_ARCH_MASK);
507     BCaseMask(EF_AVR_ARCH_AVR4, EF_AVR_ARCH_MASK);
508     BCaseMask(EF_AVR_ARCH_AVR5, EF_AVR_ARCH_MASK);
509     BCaseMask(EF_AVR_ARCH_AVR51, EF_AVR_ARCH_MASK);
510     BCaseMask(EF_AVR_ARCH_AVR6, EF_AVR_ARCH_MASK);
511     BCaseMask(EF_AVR_ARCH_AVRTINY, EF_AVR_ARCH_MASK);
512     BCaseMask(EF_AVR_ARCH_XMEGA1, EF_AVR_ARCH_MASK);
513     BCaseMask(EF_AVR_ARCH_XMEGA2, EF_AVR_ARCH_MASK);
514     BCaseMask(EF_AVR_ARCH_XMEGA3, EF_AVR_ARCH_MASK);
515     BCaseMask(EF_AVR_ARCH_XMEGA4, EF_AVR_ARCH_MASK);
516     BCaseMask(EF_AVR_ARCH_XMEGA5, EF_AVR_ARCH_MASK);
517     BCaseMask(EF_AVR_ARCH_XMEGA6, EF_AVR_ARCH_MASK);
518     BCaseMask(EF_AVR_ARCH_XMEGA7, EF_AVR_ARCH_MASK);
519     BCase(EF_AVR_LINKRELAX_PREPARED);
520     break;
521   case ELF::EM_RISCV:
522     BCase(EF_RISCV_RVC);
523     BCaseMask(EF_RISCV_FLOAT_ABI_SOFT, EF_RISCV_FLOAT_ABI);
524     BCaseMask(EF_RISCV_FLOAT_ABI_SINGLE, EF_RISCV_FLOAT_ABI);
525     BCaseMask(EF_RISCV_FLOAT_ABI_DOUBLE, EF_RISCV_FLOAT_ABI);
526     BCaseMask(EF_RISCV_FLOAT_ABI_QUAD, EF_RISCV_FLOAT_ABI);
527     BCase(EF_RISCV_RVE);
528     BCase(EF_RISCV_TSO);
529     break;
530   case ELF::EM_AMDGPU:
531     BCaseMask(EF_AMDGPU_MACH_NONE, EF_AMDGPU_MACH);
532     BCaseMask(EF_AMDGPU_MACH_R600_R600, EF_AMDGPU_MACH);
533     BCaseMask(EF_AMDGPU_MACH_R600_R630, EF_AMDGPU_MACH);
534     BCaseMask(EF_AMDGPU_MACH_R600_RS880, EF_AMDGPU_MACH);
535     BCaseMask(EF_AMDGPU_MACH_R600_RV670, EF_AMDGPU_MACH);
536     BCaseMask(EF_AMDGPU_MACH_R600_RV710, EF_AMDGPU_MACH);
537     BCaseMask(EF_AMDGPU_MACH_R600_RV730, EF_AMDGPU_MACH);
538     BCaseMask(EF_AMDGPU_MACH_R600_RV770, EF_AMDGPU_MACH);
539     BCaseMask(EF_AMDGPU_MACH_R600_CEDAR, EF_AMDGPU_MACH);
540     BCaseMask(EF_AMDGPU_MACH_R600_CYPRESS, EF_AMDGPU_MACH);
541     BCaseMask(EF_AMDGPU_MACH_R600_JUNIPER, EF_AMDGPU_MACH);
542     BCaseMask(EF_AMDGPU_MACH_R600_REDWOOD, EF_AMDGPU_MACH);
543     BCaseMask(EF_AMDGPU_MACH_R600_SUMO, EF_AMDGPU_MACH);
544     BCaseMask(EF_AMDGPU_MACH_R600_BARTS, EF_AMDGPU_MACH);
545     BCaseMask(EF_AMDGPU_MACH_R600_CAICOS, EF_AMDGPU_MACH);
546     BCaseMask(EF_AMDGPU_MACH_R600_CAYMAN, EF_AMDGPU_MACH);
547     BCaseMask(EF_AMDGPU_MACH_R600_TURKS, EF_AMDGPU_MACH);
548     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX600, EF_AMDGPU_MACH);
549     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX601, EF_AMDGPU_MACH);
550     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX602, EF_AMDGPU_MACH);
551     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX700, EF_AMDGPU_MACH);
552     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX701, EF_AMDGPU_MACH);
553     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX702, EF_AMDGPU_MACH);
554     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX703, EF_AMDGPU_MACH);
555     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX704, EF_AMDGPU_MACH);
556     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX705, EF_AMDGPU_MACH);
557     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX801, EF_AMDGPU_MACH);
558     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX802, EF_AMDGPU_MACH);
559     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX803, EF_AMDGPU_MACH);
560     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX805, EF_AMDGPU_MACH);
561     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX810, EF_AMDGPU_MACH);
562     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX900, EF_AMDGPU_MACH);
563     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX902, EF_AMDGPU_MACH);
564     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX904, EF_AMDGPU_MACH);
565     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX906, EF_AMDGPU_MACH);
566     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX908, EF_AMDGPU_MACH);
567     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX909, EF_AMDGPU_MACH);
568     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX90A, EF_AMDGPU_MACH);
569     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX90C, EF_AMDGPU_MACH);
570     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX940, EF_AMDGPU_MACH);
571     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1010, EF_AMDGPU_MACH);
572     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1011, EF_AMDGPU_MACH);
573     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1012, EF_AMDGPU_MACH);
574     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1013, EF_AMDGPU_MACH);
575     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1030, EF_AMDGPU_MACH);
576     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1031, EF_AMDGPU_MACH);
577     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1032, EF_AMDGPU_MACH);
578     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1033, EF_AMDGPU_MACH);
579     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1034, EF_AMDGPU_MACH);
580     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1035, EF_AMDGPU_MACH);
581     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1036, EF_AMDGPU_MACH);
582     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1100, EF_AMDGPU_MACH);
583     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1101, EF_AMDGPU_MACH);
584     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1102, EF_AMDGPU_MACH);
585     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1103, EF_AMDGPU_MACH);
586     switch (Object->Header.ABIVersion) {
587     default:
588       // ELFOSABI_AMDGPU_PAL, ELFOSABI_AMDGPU_MESA3D support *_V3 flags.
589       LLVM_FALLTHROUGH;
590     case ELF::ELFABIVERSION_AMDGPU_HSA_V3:
591       BCase(EF_AMDGPU_FEATURE_XNACK_V3);
592       BCase(EF_AMDGPU_FEATURE_SRAMECC_V3);
593       break;
594     case ELF::ELFABIVERSION_AMDGPU_HSA_V4:
595     case ELF::ELFABIVERSION_AMDGPU_HSA_V5:
596       BCaseMask(EF_AMDGPU_FEATURE_XNACK_UNSUPPORTED_V4,
597                 EF_AMDGPU_FEATURE_XNACK_V4);
598       BCaseMask(EF_AMDGPU_FEATURE_XNACK_ANY_V4,
599                 EF_AMDGPU_FEATURE_XNACK_V4);
600       BCaseMask(EF_AMDGPU_FEATURE_XNACK_OFF_V4,
601                 EF_AMDGPU_FEATURE_XNACK_V4);
602       BCaseMask(EF_AMDGPU_FEATURE_XNACK_ON_V4,
603                 EF_AMDGPU_FEATURE_XNACK_V4);
604       BCaseMask(EF_AMDGPU_FEATURE_SRAMECC_UNSUPPORTED_V4,
605                 EF_AMDGPU_FEATURE_SRAMECC_V4);
606       BCaseMask(EF_AMDGPU_FEATURE_SRAMECC_ANY_V4,
607                 EF_AMDGPU_FEATURE_SRAMECC_V4);
608       BCaseMask(EF_AMDGPU_FEATURE_SRAMECC_OFF_V4,
609                 EF_AMDGPU_FEATURE_SRAMECC_V4);
610       BCaseMask(EF_AMDGPU_FEATURE_SRAMECC_ON_V4,
611                 EF_AMDGPU_FEATURE_SRAMECC_V4);
612       break;
613     }
614     break;
615   default:
616     break;
617   }
618 #undef BCase
619 #undef BCaseMask
620 }
621 
622 void ScalarEnumerationTraits<ELFYAML::ELF_SHT>::enumeration(
623     IO &IO, ELFYAML::ELF_SHT &Value) {
624   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
625   assert(Object && "The IO context is not initialized");
626 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
627   ECase(SHT_NULL);
628   ECase(SHT_PROGBITS);
629   ECase(SHT_SYMTAB);
630   // FIXME: Issue a diagnostic with this information.
631   ECase(SHT_STRTAB);
632   ECase(SHT_RELA);
633   ECase(SHT_HASH);
634   ECase(SHT_DYNAMIC);
635   ECase(SHT_NOTE);
636   ECase(SHT_NOBITS);
637   ECase(SHT_REL);
638   ECase(SHT_SHLIB);
639   ECase(SHT_DYNSYM);
640   ECase(SHT_INIT_ARRAY);
641   ECase(SHT_FINI_ARRAY);
642   ECase(SHT_PREINIT_ARRAY);
643   ECase(SHT_GROUP);
644   ECase(SHT_SYMTAB_SHNDX);
645   ECase(SHT_RELR);
646   ECase(SHT_ANDROID_REL);
647   ECase(SHT_ANDROID_RELA);
648   ECase(SHT_ANDROID_RELR);
649   ECase(SHT_LLVM_ODRTAB);
650   ECase(SHT_LLVM_LINKER_OPTIONS);
651   ECase(SHT_LLVM_CALL_GRAPH_PROFILE);
652   ECase(SHT_LLVM_ADDRSIG);
653   ECase(SHT_LLVM_DEPENDENT_LIBRARIES);
654   ECase(SHT_LLVM_SYMPART);
655   ECase(SHT_LLVM_PART_EHDR);
656   ECase(SHT_LLVM_PART_PHDR);
657   ECase(SHT_LLVM_BB_ADDR_MAP_V0);
658   ECase(SHT_LLVM_BB_ADDR_MAP);
659   ECase(SHT_LLVM_OFFLOADING);
660   ECase(SHT_GNU_ATTRIBUTES);
661   ECase(SHT_GNU_HASH);
662   ECase(SHT_GNU_verdef);
663   ECase(SHT_GNU_verneed);
664   ECase(SHT_GNU_versym);
665   switch (Object->getMachine()) {
666   case ELF::EM_ARM:
667     ECase(SHT_ARM_EXIDX);
668     ECase(SHT_ARM_PREEMPTMAP);
669     ECase(SHT_ARM_ATTRIBUTES);
670     ECase(SHT_ARM_DEBUGOVERLAY);
671     ECase(SHT_ARM_OVERLAYSECTION);
672     break;
673   case ELF::EM_HEXAGON:
674     ECase(SHT_HEX_ORDERED);
675     break;
676   case ELF::EM_X86_64:
677     ECase(SHT_X86_64_UNWIND);
678     break;
679   case ELF::EM_MIPS:
680     ECase(SHT_MIPS_REGINFO);
681     ECase(SHT_MIPS_OPTIONS);
682     ECase(SHT_MIPS_DWARF);
683     ECase(SHT_MIPS_ABIFLAGS);
684     break;
685   case ELF::EM_RISCV:
686     ECase(SHT_RISCV_ATTRIBUTES);
687     break;
688   case ELF::EM_MSP430:
689     ECase(SHT_MSP430_ATTRIBUTES);
690     break;
691   default:
692     // Nothing to do.
693     break;
694   }
695 #undef ECase
696   IO.enumFallback<Hex32>(Value);
697 }
698 
699 void ScalarBitSetTraits<ELFYAML::ELF_PF>::bitset(IO &IO,
700                                                  ELFYAML::ELF_PF &Value) {
701 #define BCase(X) IO.bitSetCase(Value, #X, ELF::X)
702   BCase(PF_X);
703   BCase(PF_W);
704   BCase(PF_R);
705 }
706 
707 void ScalarBitSetTraits<ELFYAML::ELF_SHF>::bitset(IO &IO,
708                                                   ELFYAML::ELF_SHF &Value) {
709   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
710 #define BCase(X) IO.bitSetCase(Value, #X, ELF::X)
711   BCase(SHF_WRITE);
712   BCase(SHF_ALLOC);
713   BCase(SHF_EXCLUDE);
714   BCase(SHF_EXECINSTR);
715   BCase(SHF_MERGE);
716   BCase(SHF_STRINGS);
717   BCase(SHF_INFO_LINK);
718   BCase(SHF_LINK_ORDER);
719   BCase(SHF_OS_NONCONFORMING);
720   BCase(SHF_GROUP);
721   BCase(SHF_TLS);
722   BCase(SHF_COMPRESSED);
723   switch (Object->getOSAbi()) {
724   case ELF::ELFOSABI_SOLARIS:
725     BCase(SHF_SUNW_NODISCARD);
726     break;
727   default:
728     BCase(SHF_GNU_RETAIN);
729     break;
730   }
731   switch (Object->getMachine()) {
732   case ELF::EM_ARM:
733     BCase(SHF_ARM_PURECODE);
734     break;
735   case ELF::EM_HEXAGON:
736     BCase(SHF_HEX_GPREL);
737     break;
738   case ELF::EM_MIPS:
739     BCase(SHF_MIPS_NODUPES);
740     BCase(SHF_MIPS_NAMES);
741     BCase(SHF_MIPS_LOCAL);
742     BCase(SHF_MIPS_NOSTRIP);
743     BCase(SHF_MIPS_GPREL);
744     BCase(SHF_MIPS_MERGE);
745     BCase(SHF_MIPS_ADDR);
746     BCase(SHF_MIPS_STRING);
747     break;
748   case ELF::EM_X86_64:
749     BCase(SHF_X86_64_LARGE);
750     break;
751   default:
752     // Nothing to do.
753     break;
754   }
755 #undef BCase
756 }
757 
758 void ScalarEnumerationTraits<ELFYAML::ELF_SHN>::enumeration(
759     IO &IO, ELFYAML::ELF_SHN &Value) {
760   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
761   assert(Object && "The IO context is not initialized");
762 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
763   ECase(SHN_UNDEF);
764   ECase(SHN_LORESERVE);
765   ECase(SHN_LOPROC);
766   ECase(SHN_HIPROC);
767   ECase(SHN_LOOS);
768   ECase(SHN_HIOS);
769   ECase(SHN_ABS);
770   ECase(SHN_COMMON);
771   ECase(SHN_XINDEX);
772   ECase(SHN_HIRESERVE);
773   ECase(SHN_AMDGPU_LDS);
774 
775   if (!IO.outputting() || Object->getMachine() == ELF::EM_MIPS) {
776     ECase(SHN_MIPS_ACOMMON);
777     ECase(SHN_MIPS_TEXT);
778     ECase(SHN_MIPS_DATA);
779     ECase(SHN_MIPS_SCOMMON);
780     ECase(SHN_MIPS_SUNDEFINED);
781   }
782 
783   ECase(SHN_HEXAGON_SCOMMON);
784   ECase(SHN_HEXAGON_SCOMMON_1);
785   ECase(SHN_HEXAGON_SCOMMON_2);
786   ECase(SHN_HEXAGON_SCOMMON_4);
787   ECase(SHN_HEXAGON_SCOMMON_8);
788 #undef ECase
789   IO.enumFallback<Hex16>(Value);
790 }
791 
792 void ScalarEnumerationTraits<ELFYAML::ELF_STB>::enumeration(
793     IO &IO, ELFYAML::ELF_STB &Value) {
794 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
795   ECase(STB_LOCAL);
796   ECase(STB_GLOBAL);
797   ECase(STB_WEAK);
798   ECase(STB_GNU_UNIQUE);
799 #undef ECase
800   IO.enumFallback<Hex8>(Value);
801 }
802 
803 void ScalarEnumerationTraits<ELFYAML::ELF_STT>::enumeration(
804     IO &IO, ELFYAML::ELF_STT &Value) {
805 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
806   ECase(STT_NOTYPE);
807   ECase(STT_OBJECT);
808   ECase(STT_FUNC);
809   ECase(STT_SECTION);
810   ECase(STT_FILE);
811   ECase(STT_COMMON);
812   ECase(STT_TLS);
813   ECase(STT_GNU_IFUNC);
814 #undef ECase
815   IO.enumFallback<Hex8>(Value);
816 }
817 
818 
819 void ScalarEnumerationTraits<ELFYAML::ELF_RSS>::enumeration(
820     IO &IO, ELFYAML::ELF_RSS &Value) {
821 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
822   ECase(RSS_UNDEF);
823   ECase(RSS_GP);
824   ECase(RSS_GP0);
825   ECase(RSS_LOC);
826 #undef ECase
827 }
828 
829 void ScalarEnumerationTraits<ELFYAML::ELF_REL>::enumeration(
830     IO &IO, ELFYAML::ELF_REL &Value) {
831   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
832   assert(Object && "The IO context is not initialized");
833 #define ELF_RELOC(X, Y) IO.enumCase(Value, #X, ELF::X);
834   switch (Object->getMachine()) {
835   case ELF::EM_X86_64:
836 #include "llvm/BinaryFormat/ELFRelocs/x86_64.def"
837     break;
838   case ELF::EM_MIPS:
839 #include "llvm/BinaryFormat/ELFRelocs/Mips.def"
840     break;
841   case ELF::EM_HEXAGON:
842 #include "llvm/BinaryFormat/ELFRelocs/Hexagon.def"
843     break;
844   case ELF::EM_386:
845   case ELF::EM_IAMCU:
846 #include "llvm/BinaryFormat/ELFRelocs/i386.def"
847     break;
848   case ELF::EM_AARCH64:
849 #include "llvm/BinaryFormat/ELFRelocs/AArch64.def"
850     break;
851   case ELF::EM_ARM:
852 #include "llvm/BinaryFormat/ELFRelocs/ARM.def"
853     break;
854   case ELF::EM_ARC:
855 #include "llvm/BinaryFormat/ELFRelocs/ARC.def"
856     break;
857   case ELF::EM_RISCV:
858 #include "llvm/BinaryFormat/ELFRelocs/RISCV.def"
859     break;
860   case ELF::EM_LANAI:
861 #include "llvm/BinaryFormat/ELFRelocs/Lanai.def"
862     break;
863   case ELF::EM_AMDGPU:
864 #include "llvm/BinaryFormat/ELFRelocs/AMDGPU.def"
865     break;
866   case ELF::EM_BPF:
867 #include "llvm/BinaryFormat/ELFRelocs/BPF.def"
868     break;
869   case ELF::EM_VE:
870 #include "llvm/BinaryFormat/ELFRelocs/VE.def"
871     break;
872   case ELF::EM_CSKY:
873 #include "llvm/BinaryFormat/ELFRelocs/CSKY.def"
874     break;
875   case ELF::EM_PPC:
876 #include "llvm/BinaryFormat/ELFRelocs/PowerPC.def"
877     break;
878   case ELF::EM_PPC64:
879 #include "llvm/BinaryFormat/ELFRelocs/PowerPC64.def"
880     break;
881   case ELF::EM_68K:
882 #include "llvm/BinaryFormat/ELFRelocs/M68k.def"
883     break;
884   case ELF::EM_LOONGARCH:
885 #include "llvm/BinaryFormat/ELFRelocs/LoongArch.def"
886     break;
887   default:
888     // Nothing to do.
889     break;
890   }
891 #undef ELF_RELOC
892   IO.enumFallback<Hex32>(Value);
893 }
894 
895 void ScalarEnumerationTraits<ELFYAML::ELF_DYNTAG>::enumeration(
896     IO &IO, ELFYAML::ELF_DYNTAG &Value) {
897   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
898   assert(Object && "The IO context is not initialized");
899 
900 // Disable architecture specific tags by default. We might enable them below.
901 #define AARCH64_DYNAMIC_TAG(name, value)
902 #define MIPS_DYNAMIC_TAG(name, value)
903 #define HEXAGON_DYNAMIC_TAG(name, value)
904 #define PPC_DYNAMIC_TAG(name, value)
905 #define PPC64_DYNAMIC_TAG(name, value)
906 // Ignore marker tags such as DT_HIOS (maps to DT_VERNEEDNUM), etc.
907 #define DYNAMIC_TAG_MARKER(name, value)
908 
909 #define STRINGIFY(X) (#X)
910 #define DYNAMIC_TAG(X, Y) IO.enumCase(Value, STRINGIFY(DT_##X), ELF::DT_##X);
911   switch (Object->getMachine()) {
912   case ELF::EM_AARCH64:
913 #undef AARCH64_DYNAMIC_TAG
914 #define AARCH64_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value)
915 #include "llvm/BinaryFormat/DynamicTags.def"
916 #undef AARCH64_DYNAMIC_TAG
917 #define AARCH64_DYNAMIC_TAG(name, value)
918     break;
919   case ELF::EM_MIPS:
920 #undef MIPS_DYNAMIC_TAG
921 #define MIPS_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value)
922 #include "llvm/BinaryFormat/DynamicTags.def"
923 #undef MIPS_DYNAMIC_TAG
924 #define MIPS_DYNAMIC_TAG(name, value)
925     break;
926   case ELF::EM_HEXAGON:
927 #undef HEXAGON_DYNAMIC_TAG
928 #define HEXAGON_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value)
929 #include "llvm/BinaryFormat/DynamicTags.def"
930 #undef HEXAGON_DYNAMIC_TAG
931 #define HEXAGON_DYNAMIC_TAG(name, value)
932     break;
933   case ELF::EM_PPC:
934 #undef PPC_DYNAMIC_TAG
935 #define PPC_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value)
936 #include "llvm/BinaryFormat/DynamicTags.def"
937 #undef PPC_DYNAMIC_TAG
938 #define PPC_DYNAMIC_TAG(name, value)
939     break;
940   case ELF::EM_PPC64:
941 #undef PPC64_DYNAMIC_TAG
942 #define PPC64_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value)
943 #include "llvm/BinaryFormat/DynamicTags.def"
944 #undef PPC64_DYNAMIC_TAG
945 #define PPC64_DYNAMIC_TAG(name, value)
946     break;
947   case ELF::EM_RISCV:
948 #undef RISCV_DYNAMIC_TAG
949 #define RISCV_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value)
950 #include "llvm/BinaryFormat/DynamicTags.def"
951 #undef RISCV_DYNAMIC_TAG
952 #define RISCV_DYNAMIC_TAG(name, value)
953     break;
954   default:
955 #include "llvm/BinaryFormat/DynamicTags.def"
956     break;
957   }
958 #undef AARCH64_DYNAMIC_TAG
959 #undef MIPS_DYNAMIC_TAG
960 #undef HEXAGON_DYNAMIC_TAG
961 #undef PPC_DYNAMIC_TAG
962 #undef PPC64_DYNAMIC_TAG
963 #undef DYNAMIC_TAG_MARKER
964 #undef STRINGIFY
965 #undef DYNAMIC_TAG
966 
967   IO.enumFallback<Hex64>(Value);
968 }
969 
970 void ScalarEnumerationTraits<ELFYAML::MIPS_AFL_REG>::enumeration(
971     IO &IO, ELFYAML::MIPS_AFL_REG &Value) {
972 #define ECase(X) IO.enumCase(Value, #X, Mips::AFL_##X)
973   ECase(REG_NONE);
974   ECase(REG_32);
975   ECase(REG_64);
976   ECase(REG_128);
977 #undef ECase
978 }
979 
980 void ScalarEnumerationTraits<ELFYAML::MIPS_ABI_FP>::enumeration(
981     IO &IO, ELFYAML::MIPS_ABI_FP &Value) {
982 #define ECase(X) IO.enumCase(Value, #X, Mips::Val_GNU_MIPS_ABI_##X)
983   ECase(FP_ANY);
984   ECase(FP_DOUBLE);
985   ECase(FP_SINGLE);
986   ECase(FP_SOFT);
987   ECase(FP_OLD_64);
988   ECase(FP_XX);
989   ECase(FP_64);
990   ECase(FP_64A);
991 #undef ECase
992 }
993 
994 void ScalarEnumerationTraits<ELFYAML::MIPS_AFL_EXT>::enumeration(
995     IO &IO, ELFYAML::MIPS_AFL_EXT &Value) {
996 #define ECase(X) IO.enumCase(Value, #X, Mips::AFL_##X)
997   ECase(EXT_NONE);
998   ECase(EXT_XLR);
999   ECase(EXT_OCTEON2);
1000   ECase(EXT_OCTEONP);
1001   ECase(EXT_LOONGSON_3A);
1002   ECase(EXT_OCTEON);
1003   ECase(EXT_5900);
1004   ECase(EXT_4650);
1005   ECase(EXT_4010);
1006   ECase(EXT_4100);
1007   ECase(EXT_3900);
1008   ECase(EXT_10000);
1009   ECase(EXT_SB1);
1010   ECase(EXT_4111);
1011   ECase(EXT_4120);
1012   ECase(EXT_5400);
1013   ECase(EXT_5500);
1014   ECase(EXT_LOONGSON_2E);
1015   ECase(EXT_LOONGSON_2F);
1016   ECase(EXT_OCTEON3);
1017 #undef ECase
1018 }
1019 
1020 void ScalarEnumerationTraits<ELFYAML::MIPS_ISA>::enumeration(
1021     IO &IO, ELFYAML::MIPS_ISA &Value) {
1022   IO.enumCase(Value, "MIPS1", 1);
1023   IO.enumCase(Value, "MIPS2", 2);
1024   IO.enumCase(Value, "MIPS3", 3);
1025   IO.enumCase(Value, "MIPS4", 4);
1026   IO.enumCase(Value, "MIPS5", 5);
1027   IO.enumCase(Value, "MIPS32", 32);
1028   IO.enumCase(Value, "MIPS64", 64);
1029   IO.enumFallback<Hex32>(Value);
1030 }
1031 
1032 void ScalarBitSetTraits<ELFYAML::MIPS_AFL_ASE>::bitset(
1033     IO &IO, ELFYAML::MIPS_AFL_ASE &Value) {
1034 #define BCase(X) IO.bitSetCase(Value, #X, Mips::AFL_ASE_##X)
1035   BCase(DSP);
1036   BCase(DSPR2);
1037   BCase(EVA);
1038   BCase(MCU);
1039   BCase(MDMX);
1040   BCase(MIPS3D);
1041   BCase(MT);
1042   BCase(SMARTMIPS);
1043   BCase(VIRT);
1044   BCase(MSA);
1045   BCase(MIPS16);
1046   BCase(MICROMIPS);
1047   BCase(XPA);
1048   BCase(CRC);
1049   BCase(GINV);
1050 #undef BCase
1051 }
1052 
1053 void ScalarBitSetTraits<ELFYAML::MIPS_AFL_FLAGS1>::bitset(
1054     IO &IO, ELFYAML::MIPS_AFL_FLAGS1 &Value) {
1055 #define BCase(X) IO.bitSetCase(Value, #X, Mips::AFL_FLAGS1_##X)
1056   BCase(ODDSPREG);
1057 #undef BCase
1058 }
1059 
1060 void MappingTraits<ELFYAML::SectionHeader>::mapping(
1061     IO &IO, ELFYAML::SectionHeader &SHdr) {
1062   IO.mapRequired("Name", SHdr.Name);
1063 }
1064 
1065 void MappingTraits<ELFYAML::FileHeader>::mapping(IO &IO,
1066                                                  ELFYAML::FileHeader &FileHdr) {
1067   IO.mapRequired("Class", FileHdr.Class);
1068   IO.mapRequired("Data", FileHdr.Data);
1069   IO.mapOptional("OSABI", FileHdr.OSABI, ELFYAML::ELF_ELFOSABI(0));
1070   IO.mapOptional("ABIVersion", FileHdr.ABIVersion, Hex8(0));
1071   IO.mapRequired("Type", FileHdr.Type);
1072   IO.mapOptional("Machine", FileHdr.Machine);
1073   IO.mapOptional("Flags", FileHdr.Flags, ELFYAML::ELF_EF(0));
1074   IO.mapOptional("Entry", FileHdr.Entry, Hex64(0));
1075   IO.mapOptional("SectionHeaderStringTable", FileHdr.SectionHeaderStringTable);
1076 
1077   // obj2yaml does not dump these fields.
1078   assert(!IO.outputting() ||
1079          (!FileHdr.EPhOff && !FileHdr.EPhEntSize && !FileHdr.EPhNum));
1080   IO.mapOptional("EPhOff", FileHdr.EPhOff);
1081   IO.mapOptional("EPhEntSize", FileHdr.EPhEntSize);
1082   IO.mapOptional("EPhNum", FileHdr.EPhNum);
1083   IO.mapOptional("EShEntSize", FileHdr.EShEntSize);
1084   IO.mapOptional("EShOff", FileHdr.EShOff);
1085   IO.mapOptional("EShNum", FileHdr.EShNum);
1086   IO.mapOptional("EShStrNdx", FileHdr.EShStrNdx);
1087 }
1088 
1089 void MappingTraits<ELFYAML::ProgramHeader>::mapping(
1090     IO &IO, ELFYAML::ProgramHeader &Phdr) {
1091   IO.mapRequired("Type", Phdr.Type);
1092   IO.mapOptional("Flags", Phdr.Flags, ELFYAML::ELF_PF(0));
1093   IO.mapOptional("FirstSec", Phdr.FirstSec);
1094   IO.mapOptional("LastSec", Phdr.LastSec);
1095   IO.mapOptional("VAddr", Phdr.VAddr, Hex64(0));
1096   IO.mapOptional("PAddr", Phdr.PAddr, Phdr.VAddr);
1097   IO.mapOptional("Align", Phdr.Align);
1098   IO.mapOptional("FileSize", Phdr.FileSize);
1099   IO.mapOptional("MemSize", Phdr.MemSize);
1100   IO.mapOptional("Offset", Phdr.Offset);
1101 }
1102 
1103 std::string MappingTraits<ELFYAML::ProgramHeader>::validate(
1104     IO &IO, ELFYAML::ProgramHeader &FileHdr) {
1105   if (!FileHdr.FirstSec && FileHdr.LastSec)
1106     return "the \"LastSec\" key can't be used without the \"FirstSec\" key";
1107   if (FileHdr.FirstSec && !FileHdr.LastSec)
1108     return "the \"FirstSec\" key can't be used without the \"LastSec\" key";
1109   return "";
1110 }
1111 
1112 LLVM_YAML_STRONG_TYPEDEF(StringRef, StOtherPiece)
1113 
1114 template <> struct ScalarTraits<StOtherPiece> {
1115   static void output(const StOtherPiece &Val, void *, raw_ostream &Out) {
1116     Out << Val;
1117   }
1118   static StringRef input(StringRef Scalar, void *, StOtherPiece &Val) {
1119     Val = Scalar;
1120     return {};
1121   }
1122   static QuotingType mustQuote(StringRef) { return QuotingType::None; }
1123 };
1124 template <> struct SequenceElementTraits<StOtherPiece> {
1125   static const bool flow = true;
1126 };
1127 
1128 template <> struct ScalarTraits<ELFYAML::YAMLFlowString> {
1129   static void output(const ELFYAML::YAMLFlowString &Val, void *,
1130                      raw_ostream &Out) {
1131     Out << Val;
1132   }
1133   static StringRef input(StringRef Scalar, void *,
1134                          ELFYAML::YAMLFlowString &Val) {
1135     Val = Scalar;
1136     return {};
1137   }
1138   static QuotingType mustQuote(StringRef S) {
1139     return ScalarTraits<StringRef>::mustQuote(S);
1140   }
1141 };
1142 template <> struct SequenceElementTraits<ELFYAML::YAMLFlowString> {
1143   static const bool flow = true;
1144 };
1145 
1146 namespace {
1147 
1148 struct NormalizedOther {
1149   NormalizedOther(IO &IO) : YamlIO(IO) {}
1150   NormalizedOther(IO &IO, Optional<uint8_t> Original) : YamlIO(IO) {
1151     assert(Original && "This constructor is only used for outputting YAML and "
1152                        "assumes a non-empty Original");
1153     std::vector<StOtherPiece> Ret;
1154     const auto *Object = static_cast<ELFYAML::Object *>(YamlIO.getContext());
1155     for (std::pair<StringRef, uint8_t> &P :
1156          getFlags(Object->getMachine()).takeVector()) {
1157       uint8_t FlagValue = P.second;
1158       if ((*Original & FlagValue) != FlagValue)
1159         continue;
1160       *Original &= ~FlagValue;
1161       Ret.push_back({P.first});
1162     }
1163 
1164     if (*Original != 0) {
1165       UnknownFlagsHolder = std::to_string(*Original);
1166       Ret.push_back({UnknownFlagsHolder});
1167     }
1168 
1169     if (!Ret.empty())
1170       Other = std::move(Ret);
1171   }
1172 
1173   uint8_t toValue(StringRef Name) {
1174     const auto *Object = static_cast<ELFYAML::Object *>(YamlIO.getContext());
1175     MapVector<StringRef, uint8_t> Flags = getFlags(Object->getMachine());
1176 
1177     auto It = Flags.find(Name);
1178     if (It != Flags.end())
1179       return It->second;
1180 
1181     uint8_t Val;
1182     if (to_integer(Name, Val))
1183       return Val;
1184 
1185     YamlIO.setError("an unknown value is used for symbol's 'Other' field: " +
1186                     Name);
1187     return 0;
1188   }
1189 
1190   Optional<uint8_t> denormalize(IO &) {
1191     if (!Other)
1192       return None;
1193     uint8_t Ret = 0;
1194     for (StOtherPiece &Val : *Other)
1195       Ret |= toValue(Val);
1196     return Ret;
1197   }
1198 
1199   // st_other field is used to encode symbol visibility and platform-dependent
1200   // flags and values. This method returns a name to value map that is used for
1201   // parsing and encoding this field.
1202   MapVector<StringRef, uint8_t> getFlags(unsigned EMachine) {
1203     MapVector<StringRef, uint8_t> Map;
1204     // STV_* values are just enumeration values. We add them in a reversed order
1205     // because when we convert the st_other to named constants when printing
1206     // YAML we want to use a maximum number of bits on each step:
1207     // when we have st_other == 3, we want to print it as STV_PROTECTED (3), but
1208     // not as STV_HIDDEN (2) + STV_INTERNAL (1).
1209     Map["STV_PROTECTED"] = ELF::STV_PROTECTED;
1210     Map["STV_HIDDEN"] = ELF::STV_HIDDEN;
1211     Map["STV_INTERNAL"] = ELF::STV_INTERNAL;
1212     // STV_DEFAULT is used to represent the default visibility and has a value
1213     // 0. We want to be able to read it from YAML documents, but there is no
1214     // reason to print it.
1215     if (!YamlIO.outputting())
1216       Map["STV_DEFAULT"] = ELF::STV_DEFAULT;
1217 
1218     // MIPS is not consistent. All of the STO_MIPS_* values are bit flags,
1219     // except STO_MIPS_MIPS16 which overlaps them. It should be checked and
1220     // consumed first when we print the output, because we do not want to print
1221     // any other flags that have the same bits instead.
1222     if (EMachine == ELF::EM_MIPS) {
1223       Map["STO_MIPS_MIPS16"] = ELF::STO_MIPS_MIPS16;
1224       Map["STO_MIPS_MICROMIPS"] = ELF::STO_MIPS_MICROMIPS;
1225       Map["STO_MIPS_PIC"] = ELF::STO_MIPS_PIC;
1226       Map["STO_MIPS_PLT"] = ELF::STO_MIPS_PLT;
1227       Map["STO_MIPS_OPTIONAL"] = ELF::STO_MIPS_OPTIONAL;
1228     }
1229 
1230     if (EMachine == ELF::EM_AARCH64)
1231       Map["STO_AARCH64_VARIANT_PCS"] = ELF::STO_AARCH64_VARIANT_PCS;
1232     if (EMachine == ELF::EM_RISCV)
1233       Map["STO_RISCV_VARIANT_CC"] = ELF::STO_RISCV_VARIANT_CC;
1234     return Map;
1235   }
1236 
1237   IO &YamlIO;
1238   Optional<std::vector<StOtherPiece>> Other;
1239   std::string UnknownFlagsHolder;
1240 };
1241 
1242 } // end anonymous namespace
1243 
1244 void ScalarTraits<ELFYAML::YAMLIntUInt>::output(const ELFYAML::YAMLIntUInt &Val,
1245                                                 void *Ctx, raw_ostream &Out) {
1246   Out << Val;
1247 }
1248 
1249 StringRef ScalarTraits<ELFYAML::YAMLIntUInt>::input(StringRef Scalar, void *Ctx,
1250                                                     ELFYAML::YAMLIntUInt &Val) {
1251   const bool Is64 = static_cast<ELFYAML::Object *>(Ctx)->Header.Class ==
1252                     ELFYAML::ELF_ELFCLASS(ELF::ELFCLASS64);
1253   StringRef ErrMsg = "invalid number";
1254   // We do not accept negative hex numbers because their meaning is ambiguous.
1255   // For example, would -0xfffffffff mean 1 or INT32_MIN?
1256   if (Scalar.empty() || Scalar.startswith("-0x"))
1257     return ErrMsg;
1258 
1259   if (Scalar.startswith("-")) {
1260     const int64_t MinVal = Is64 ? INT64_MIN : INT32_MIN;
1261     long long Int;
1262     if (getAsSignedInteger(Scalar, /*Radix=*/0, Int) || (Int < MinVal))
1263       return ErrMsg;
1264     Val = Int;
1265     return "";
1266   }
1267 
1268   const uint64_t MaxVal = Is64 ? UINT64_MAX : UINT32_MAX;
1269   unsigned long long UInt;
1270   if (getAsUnsignedInteger(Scalar, /*Radix=*/0, UInt) || (UInt > MaxVal))
1271     return ErrMsg;
1272   Val = UInt;
1273   return "";
1274 }
1275 
1276 void MappingTraits<ELFYAML::Symbol>::mapping(IO &IO, ELFYAML::Symbol &Symbol) {
1277   IO.mapOptional("Name", Symbol.Name, StringRef());
1278   IO.mapOptional("StName", Symbol.StName);
1279   IO.mapOptional("Type", Symbol.Type, ELFYAML::ELF_STT(0));
1280   IO.mapOptional("Section", Symbol.Section);
1281   IO.mapOptional("Index", Symbol.Index);
1282   IO.mapOptional("Binding", Symbol.Binding, ELFYAML::ELF_STB(0));
1283   IO.mapOptional("Value", Symbol.Value);
1284   IO.mapOptional("Size", Symbol.Size);
1285 
1286   // Symbol's Other field is a bit special. It is usually a field that
1287   // represents st_other and holds the symbol visibility. However, on some
1288   // platforms, it can contain bit fields and regular values, or even sometimes a
1289   // crazy mix of them (see comments for NormalizedOther). Because of this, we
1290   // need special handling.
1291   MappingNormalization<NormalizedOther, Optional<uint8_t>> Keys(IO,
1292                                                                 Symbol.Other);
1293   IO.mapOptional("Other", Keys->Other);
1294 }
1295 
1296 std::string MappingTraits<ELFYAML::Symbol>::validate(IO &IO,
1297                                                      ELFYAML::Symbol &Symbol) {
1298   if (Symbol.Index && Symbol.Section)
1299     return "Index and Section cannot both be specified for Symbol";
1300   return "";
1301 }
1302 
1303 static void commonSectionMapping(IO &IO, ELFYAML::Section &Section) {
1304   IO.mapOptional("Name", Section.Name, StringRef());
1305   IO.mapRequired("Type", Section.Type);
1306   IO.mapOptional("Flags", Section.Flags);
1307   IO.mapOptional("Address", Section.Address);
1308   IO.mapOptional("Link", Section.Link);
1309   IO.mapOptional("AddressAlign", Section.AddressAlign, Hex64(0));
1310   IO.mapOptional("EntSize", Section.EntSize);
1311   IO.mapOptional("Offset", Section.Offset);
1312 
1313   IO.mapOptional("Content", Section.Content);
1314   IO.mapOptional("Size", Section.Size);
1315 
1316   // obj2yaml does not dump these fields. They are expected to be empty when we
1317   // are producing YAML, because yaml2obj sets appropriate values for them
1318   // automatically when they are not explicitly defined.
1319   assert(!IO.outputting() ||
1320          (!Section.ShOffset && !Section.ShSize && !Section.ShName &&
1321           !Section.ShFlags && !Section.ShType && !Section.ShAddrAlign));
1322   IO.mapOptional("ShAddrAlign", Section.ShAddrAlign);
1323   IO.mapOptional("ShName", Section.ShName);
1324   IO.mapOptional("ShOffset", Section.ShOffset);
1325   IO.mapOptional("ShSize", Section.ShSize);
1326   IO.mapOptional("ShFlags", Section.ShFlags);
1327   IO.mapOptional("ShType", Section.ShType);
1328 }
1329 
1330 static void sectionMapping(IO &IO, ELFYAML::DynamicSection &Section) {
1331   commonSectionMapping(IO, Section);
1332   IO.mapOptional("Entries", Section.Entries);
1333 }
1334 
1335 static void sectionMapping(IO &IO, ELFYAML::RawContentSection &Section) {
1336   commonSectionMapping(IO, Section);
1337 
1338   // We also support reading a content as array of bytes using the ContentArray
1339   // key. obj2yaml never prints this field.
1340   assert(!IO.outputting() || !Section.ContentBuf);
1341   IO.mapOptional("ContentArray", Section.ContentBuf);
1342   if (Section.ContentBuf) {
1343     if (Section.Content)
1344       IO.setError("Content and ContentArray can't be used together");
1345     Section.Content = yaml::BinaryRef(*Section.ContentBuf);
1346   }
1347 
1348   IO.mapOptional("Info", Section.Info);
1349 }
1350 
1351 static void sectionMapping(IO &IO, ELFYAML::BBAddrMapSection &Section) {
1352   commonSectionMapping(IO, Section);
1353   IO.mapOptional("Content", Section.Content);
1354   IO.mapOptional("Entries", Section.Entries);
1355 }
1356 
1357 static void sectionMapping(IO &IO, ELFYAML::StackSizesSection &Section) {
1358   commonSectionMapping(IO, Section);
1359   IO.mapOptional("Entries", Section.Entries);
1360 }
1361 
1362 static void sectionMapping(IO &IO, ELFYAML::HashSection &Section) {
1363   commonSectionMapping(IO, Section);
1364   IO.mapOptional("Bucket", Section.Bucket);
1365   IO.mapOptional("Chain", Section.Chain);
1366 
1367   // obj2yaml does not dump these fields. They can be used to override nchain
1368   // and nbucket values for creating broken sections.
1369   assert(!IO.outputting() || (!Section.NBucket && !Section.NChain));
1370   IO.mapOptional("NChain", Section.NChain);
1371   IO.mapOptional("NBucket", Section.NBucket);
1372 }
1373 
1374 static void sectionMapping(IO &IO, ELFYAML::NoteSection &Section) {
1375   commonSectionMapping(IO, Section);
1376   IO.mapOptional("Notes", Section.Notes);
1377 }
1378 
1379 
1380 static void sectionMapping(IO &IO, ELFYAML::GnuHashSection &Section) {
1381   commonSectionMapping(IO, Section);
1382   IO.mapOptional("Header", Section.Header);
1383   IO.mapOptional("BloomFilter", Section.BloomFilter);
1384   IO.mapOptional("HashBuckets", Section.HashBuckets);
1385   IO.mapOptional("HashValues", Section.HashValues);
1386 }
1387 static void sectionMapping(IO &IO, ELFYAML::NoBitsSection &Section) {
1388   commonSectionMapping(IO, Section);
1389 }
1390 
1391 static void sectionMapping(IO &IO, ELFYAML::VerdefSection &Section) {
1392   commonSectionMapping(IO, Section);
1393   IO.mapOptional("Info", Section.Info);
1394   IO.mapOptional("Entries", Section.Entries);
1395 }
1396 
1397 static void sectionMapping(IO &IO, ELFYAML::SymverSection &Section) {
1398   commonSectionMapping(IO, Section);
1399   IO.mapOptional("Entries", Section.Entries);
1400 }
1401 
1402 static void sectionMapping(IO &IO, ELFYAML::VerneedSection &Section) {
1403   commonSectionMapping(IO, Section);
1404   IO.mapOptional("Info", Section.Info);
1405   IO.mapOptional("Dependencies", Section.VerneedV);
1406 }
1407 
1408 static void sectionMapping(IO &IO, ELFYAML::RelocationSection &Section) {
1409   commonSectionMapping(IO, Section);
1410   IO.mapOptional("Info", Section.RelocatableSec, StringRef());
1411   IO.mapOptional("Relocations", Section.Relocations);
1412 }
1413 
1414 static void sectionMapping(IO &IO, ELFYAML::RelrSection &Section) {
1415   commonSectionMapping(IO, Section);
1416   IO.mapOptional("Entries", Section.Entries);
1417 }
1418 
1419 static void groupSectionMapping(IO &IO, ELFYAML::GroupSection &Group) {
1420   commonSectionMapping(IO, Group);
1421   IO.mapOptional("Info", Group.Signature);
1422   IO.mapOptional("Members", Group.Members);
1423 }
1424 
1425 static void sectionMapping(IO &IO, ELFYAML::SymtabShndxSection &Section) {
1426   commonSectionMapping(IO, Section);
1427   IO.mapOptional("Entries", Section.Entries);
1428 }
1429 
1430 static void sectionMapping(IO &IO, ELFYAML::AddrsigSection &Section) {
1431   commonSectionMapping(IO, Section);
1432   IO.mapOptional("Symbols", Section.Symbols);
1433 }
1434 
1435 static void fillMapping(IO &IO, ELFYAML::Fill &Fill) {
1436   IO.mapOptional("Name", Fill.Name, StringRef());
1437   IO.mapOptional("Pattern", Fill.Pattern);
1438   IO.mapOptional("Offset", Fill.Offset);
1439   IO.mapRequired("Size", Fill.Size);
1440 }
1441 
1442 static void sectionHeaderTableMapping(IO &IO,
1443                                       ELFYAML::SectionHeaderTable &SHT) {
1444   IO.mapOptional("Offset", SHT.Offset);
1445   IO.mapOptional("Sections", SHT.Sections);
1446   IO.mapOptional("Excluded", SHT.Excluded);
1447   IO.mapOptional("NoHeaders", SHT.NoHeaders);
1448 }
1449 
1450 static void sectionMapping(IO &IO, ELFYAML::LinkerOptionsSection &Section) {
1451   commonSectionMapping(IO, Section);
1452   IO.mapOptional("Options", Section.Options);
1453 }
1454 
1455 static void sectionMapping(IO &IO,
1456                            ELFYAML::DependentLibrariesSection &Section) {
1457   commonSectionMapping(IO, Section);
1458   IO.mapOptional("Libraries", Section.Libs);
1459 }
1460 
1461 static void sectionMapping(IO &IO, ELFYAML::CallGraphProfileSection &Section) {
1462   commonSectionMapping(IO, Section);
1463   IO.mapOptional("Entries", Section.Entries);
1464 }
1465 
1466 void MappingTraits<ELFYAML::SectionOrType>::mapping(
1467     IO &IO, ELFYAML::SectionOrType &sectionOrType) {
1468   IO.mapRequired("SectionOrType", sectionOrType.sectionNameOrType);
1469 }
1470 
1471 static void sectionMapping(IO &IO, ELFYAML::ARMIndexTableSection &Section) {
1472   commonSectionMapping(IO, Section);
1473   IO.mapOptional("Entries", Section.Entries);
1474 }
1475 
1476 static void sectionMapping(IO &IO, ELFYAML::MipsABIFlags &Section) {
1477   commonSectionMapping(IO, Section);
1478   IO.mapOptional("Version", Section.Version, Hex16(0));
1479   IO.mapRequired("ISA", Section.ISALevel);
1480   IO.mapOptional("ISARevision", Section.ISARevision, Hex8(0));
1481   IO.mapOptional("ISAExtension", Section.ISAExtension,
1482                  ELFYAML::MIPS_AFL_EXT(Mips::AFL_EXT_NONE));
1483   IO.mapOptional("ASEs", Section.ASEs, ELFYAML::MIPS_AFL_ASE(0));
1484   IO.mapOptional("FpABI", Section.FpABI,
1485                  ELFYAML::MIPS_ABI_FP(Mips::Val_GNU_MIPS_ABI_FP_ANY));
1486   IO.mapOptional("GPRSize", Section.GPRSize,
1487                  ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE));
1488   IO.mapOptional("CPR1Size", Section.CPR1Size,
1489                  ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE));
1490   IO.mapOptional("CPR2Size", Section.CPR2Size,
1491                  ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE));
1492   IO.mapOptional("Flags1", Section.Flags1, ELFYAML::MIPS_AFL_FLAGS1(0));
1493   IO.mapOptional("Flags2", Section.Flags2, Hex32(0));
1494 }
1495 
1496 static StringRef getStringValue(IO &IO, const char *Key) {
1497   StringRef Val;
1498   IO.mapRequired(Key, Val);
1499   return Val;
1500 }
1501 
1502 static void setStringValue(IO &IO, const char *Key, StringRef Val) {
1503   IO.mapRequired(Key, Val);
1504 }
1505 
1506 static bool isInteger(StringRef Val) {
1507   APInt Tmp;
1508   return !Val.getAsInteger(0, Tmp);
1509 }
1510 
1511 void MappingTraits<std::unique_ptr<ELFYAML::Chunk>>::mapping(
1512     IO &IO, std::unique_ptr<ELFYAML::Chunk> &Section) {
1513   ELFYAML::ELF_SHT Type;
1514   StringRef TypeStr;
1515   if (IO.outputting()) {
1516     if (auto *S = dyn_cast<ELFYAML::Section>(Section.get()))
1517       Type = S->Type;
1518     else if (auto *SHT = dyn_cast<ELFYAML::SectionHeaderTable>(Section.get()))
1519       TypeStr = SHT->TypeStr;
1520   } else {
1521     // When the Type string does not have a "SHT_" prefix, we know it is not a
1522     // description of a regular ELF output section.
1523     TypeStr = getStringValue(IO, "Type");
1524     if (TypeStr.startswith("SHT_") || isInteger(TypeStr))
1525       IO.mapRequired("Type", Type);
1526   }
1527 
1528   if (TypeStr == "Fill") {
1529     assert(!IO.outputting()); // We don't dump fills currently.
1530     Section.reset(new ELFYAML::Fill());
1531     fillMapping(IO, *cast<ELFYAML::Fill>(Section.get()));
1532     return;
1533   }
1534 
1535   if (TypeStr == ELFYAML::SectionHeaderTable::TypeStr) {
1536     if (IO.outputting())
1537       setStringValue(IO, "Type", TypeStr);
1538     else
1539       Section.reset(new ELFYAML::SectionHeaderTable(/*IsImplicit=*/false));
1540 
1541     sectionHeaderTableMapping(
1542         IO, *cast<ELFYAML::SectionHeaderTable>(Section.get()));
1543     return;
1544   }
1545 
1546   const auto &Obj = *static_cast<ELFYAML::Object *>(IO.getContext());
1547   if (Obj.getMachine() == ELF::EM_MIPS && Type == ELF::SHT_MIPS_ABIFLAGS) {
1548     if (!IO.outputting())
1549       Section.reset(new ELFYAML::MipsABIFlags());
1550     sectionMapping(IO, *cast<ELFYAML::MipsABIFlags>(Section.get()));
1551     return;
1552   }
1553 
1554   if (Obj.getMachine() == ELF::EM_ARM && Type == ELF::SHT_ARM_EXIDX) {
1555     if (!IO.outputting())
1556       Section.reset(new ELFYAML::ARMIndexTableSection());
1557     sectionMapping(IO, *cast<ELFYAML::ARMIndexTableSection>(Section.get()));
1558     return;
1559   }
1560 
1561   switch (Type) {
1562   case ELF::SHT_DYNAMIC:
1563     if (!IO.outputting())
1564       Section.reset(new ELFYAML::DynamicSection());
1565     sectionMapping(IO, *cast<ELFYAML::DynamicSection>(Section.get()));
1566     break;
1567   case ELF::SHT_REL:
1568   case ELF::SHT_RELA:
1569     if (!IO.outputting())
1570       Section.reset(new ELFYAML::RelocationSection());
1571     sectionMapping(IO, *cast<ELFYAML::RelocationSection>(Section.get()));
1572     break;
1573   case ELF::SHT_RELR:
1574     if (!IO.outputting())
1575       Section.reset(new ELFYAML::RelrSection());
1576     sectionMapping(IO, *cast<ELFYAML::RelrSection>(Section.get()));
1577     break;
1578   case ELF::SHT_GROUP:
1579     if (!IO.outputting())
1580       Section.reset(new ELFYAML::GroupSection());
1581     groupSectionMapping(IO, *cast<ELFYAML::GroupSection>(Section.get()));
1582     break;
1583   case ELF::SHT_NOBITS:
1584     if (!IO.outputting())
1585       Section.reset(new ELFYAML::NoBitsSection());
1586     sectionMapping(IO, *cast<ELFYAML::NoBitsSection>(Section.get()));
1587     break;
1588   case ELF::SHT_HASH:
1589     if (!IO.outputting())
1590       Section.reset(new ELFYAML::HashSection());
1591     sectionMapping(IO, *cast<ELFYAML::HashSection>(Section.get()));
1592     break;
1593   case ELF::SHT_NOTE:
1594     if (!IO.outputting())
1595       Section.reset(new ELFYAML::NoteSection());
1596     sectionMapping(IO, *cast<ELFYAML::NoteSection>(Section.get()));
1597     break;
1598  case ELF::SHT_GNU_HASH:
1599     if (!IO.outputting())
1600       Section.reset(new ELFYAML::GnuHashSection());
1601     sectionMapping(IO, *cast<ELFYAML::GnuHashSection>(Section.get()));
1602     break;
1603   case ELF::SHT_GNU_verdef:
1604     if (!IO.outputting())
1605       Section.reset(new ELFYAML::VerdefSection());
1606     sectionMapping(IO, *cast<ELFYAML::VerdefSection>(Section.get()));
1607     break;
1608   case ELF::SHT_GNU_versym:
1609     if (!IO.outputting())
1610       Section.reset(new ELFYAML::SymverSection());
1611     sectionMapping(IO, *cast<ELFYAML::SymverSection>(Section.get()));
1612     break;
1613   case ELF::SHT_GNU_verneed:
1614     if (!IO.outputting())
1615       Section.reset(new ELFYAML::VerneedSection());
1616     sectionMapping(IO, *cast<ELFYAML::VerneedSection>(Section.get()));
1617     break;
1618   case ELF::SHT_SYMTAB_SHNDX:
1619     if (!IO.outputting())
1620       Section.reset(new ELFYAML::SymtabShndxSection());
1621     sectionMapping(IO, *cast<ELFYAML::SymtabShndxSection>(Section.get()));
1622     break;
1623   case ELF::SHT_LLVM_ADDRSIG:
1624     if (!IO.outputting())
1625       Section.reset(new ELFYAML::AddrsigSection());
1626     sectionMapping(IO, *cast<ELFYAML::AddrsigSection>(Section.get()));
1627     break;
1628   case ELF::SHT_LLVM_LINKER_OPTIONS:
1629     if (!IO.outputting())
1630       Section.reset(new ELFYAML::LinkerOptionsSection());
1631     sectionMapping(IO, *cast<ELFYAML::LinkerOptionsSection>(Section.get()));
1632     break;
1633   case ELF::SHT_LLVM_DEPENDENT_LIBRARIES:
1634     if (!IO.outputting())
1635       Section.reset(new ELFYAML::DependentLibrariesSection());
1636     sectionMapping(IO,
1637                    *cast<ELFYAML::DependentLibrariesSection>(Section.get()));
1638     break;
1639   case ELF::SHT_LLVM_CALL_GRAPH_PROFILE:
1640     if (!IO.outputting())
1641       Section.reset(new ELFYAML::CallGraphProfileSection());
1642     sectionMapping(IO, *cast<ELFYAML::CallGraphProfileSection>(Section.get()));
1643     break;
1644   case ELF::SHT_LLVM_BB_ADDR_MAP_V0:
1645   case ELF::SHT_LLVM_BB_ADDR_MAP:
1646     if (!IO.outputting())
1647       Section.reset(new ELFYAML::BBAddrMapSection());
1648     sectionMapping(IO, *cast<ELFYAML::BBAddrMapSection>(Section.get()));
1649     break;
1650   default:
1651     if (!IO.outputting()) {
1652       StringRef Name;
1653       IO.mapOptional("Name", Name, StringRef());
1654       Name = ELFYAML::dropUniqueSuffix(Name);
1655 
1656       if (ELFYAML::StackSizesSection::nameMatches(Name))
1657         Section = std::make_unique<ELFYAML::StackSizesSection>();
1658       else
1659         Section = std::make_unique<ELFYAML::RawContentSection>();
1660     }
1661 
1662     if (auto S = dyn_cast<ELFYAML::RawContentSection>(Section.get()))
1663       sectionMapping(IO, *S);
1664     else
1665       sectionMapping(IO, *cast<ELFYAML::StackSizesSection>(Section.get()));
1666   }
1667 }
1668 
1669 std::string MappingTraits<std::unique_ptr<ELFYAML::Chunk>>::validate(
1670     IO &io, std::unique_ptr<ELFYAML::Chunk> &C) {
1671   if (const auto *F = dyn_cast<ELFYAML::Fill>(C.get())) {
1672     if (F->Pattern && F->Pattern->binary_size() != 0 && !F->Size)
1673       return "\"Size\" can't be 0 when \"Pattern\" is not empty";
1674     return "";
1675   }
1676 
1677   if (const auto *SHT = dyn_cast<ELFYAML::SectionHeaderTable>(C.get())) {
1678     if (SHT->NoHeaders && (SHT->Sections || SHT->Excluded || SHT->Offset))
1679       return "NoHeaders can't be used together with Offset/Sections/Excluded";
1680     return "";
1681   }
1682 
1683   const ELFYAML::Section &Sec = *cast<ELFYAML::Section>(C.get());
1684   if (Sec.Size && Sec.Content &&
1685       (uint64_t)(*Sec.Size) < Sec.Content->binary_size())
1686     return "Section size must be greater than or equal to the content size";
1687 
1688   auto BuildErrPrefix = [](ArrayRef<std::pair<StringRef, bool>> EntV) {
1689     std::string Msg;
1690     for (size_t I = 0, E = EntV.size(); I != E; ++I) {
1691       StringRef Name = EntV[I].first;
1692       if (I == 0) {
1693         Msg = "\"" + Name.str() + "\"";
1694         continue;
1695       }
1696       if (I != EntV.size() - 1)
1697         Msg += ", \"" + Name.str() + "\"";
1698       else
1699         Msg += " and \"" + Name.str() + "\"";
1700     }
1701     return Msg;
1702   };
1703 
1704   std::vector<std::pair<StringRef, bool>> Entries = Sec.getEntries();
1705   const size_t NumUsedEntries = llvm::count_if(
1706       Entries, [](const std::pair<StringRef, bool> &P) { return P.second; });
1707 
1708   if ((Sec.Size || Sec.Content) && NumUsedEntries > 0)
1709     return BuildErrPrefix(Entries) +
1710            " cannot be used with \"Content\" or \"Size\"";
1711 
1712   if (NumUsedEntries > 0 && Entries.size() != NumUsedEntries)
1713     return BuildErrPrefix(Entries) + " must be used together";
1714 
1715   if (const auto *RawSection = dyn_cast<ELFYAML::RawContentSection>(C.get())) {
1716     if (RawSection->Flags && RawSection->ShFlags)
1717       return "ShFlags and Flags cannot be used together";
1718     return "";
1719   }
1720 
1721   if (const auto *NB = dyn_cast<ELFYAML::NoBitsSection>(C.get())) {
1722     if (NB->Content)
1723       return "SHT_NOBITS section cannot have \"Content\"";
1724     return "";
1725   }
1726 
1727   if (const auto *MF = dyn_cast<ELFYAML::MipsABIFlags>(C.get())) {
1728     if (MF->Content)
1729       return "\"Content\" key is not implemented for SHT_MIPS_ABIFLAGS "
1730              "sections";
1731     if (MF->Size)
1732       return "\"Size\" key is not implemented for SHT_MIPS_ABIFLAGS sections";
1733     return "";
1734   }
1735 
1736   return "";
1737 }
1738 
1739 namespace {
1740 
1741 struct NormalizedMips64RelType {
1742   NormalizedMips64RelType(IO &)
1743       : Type(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)),
1744         Type2(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)),
1745         Type3(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)),
1746         SpecSym(ELFYAML::ELF_REL(ELF::RSS_UNDEF)) {}
1747   NormalizedMips64RelType(IO &, ELFYAML::ELF_REL Original)
1748       : Type(Original & 0xFF), Type2(Original >> 8 & 0xFF),
1749         Type3(Original >> 16 & 0xFF), SpecSym(Original >> 24 & 0xFF) {}
1750 
1751   ELFYAML::ELF_REL denormalize(IO &) {
1752     ELFYAML::ELF_REL Res = Type | Type2 << 8 | Type3 << 16 | SpecSym << 24;
1753     return Res;
1754   }
1755 
1756   ELFYAML::ELF_REL Type;
1757   ELFYAML::ELF_REL Type2;
1758   ELFYAML::ELF_REL Type3;
1759   ELFYAML::ELF_RSS SpecSym;
1760 };
1761 
1762 } // end anonymous namespace
1763 
1764 void MappingTraits<ELFYAML::StackSizeEntry>::mapping(
1765     IO &IO, ELFYAML::StackSizeEntry &E) {
1766   assert(IO.getContext() && "The IO context is not initialized");
1767   IO.mapOptional("Address", E.Address, Hex64(0));
1768   IO.mapRequired("Size", E.Size);
1769 }
1770 
1771 void MappingTraits<ELFYAML::BBAddrMapEntry>::mapping(
1772     IO &IO, ELFYAML::BBAddrMapEntry &E) {
1773   assert(IO.getContext() && "The IO context is not initialized");
1774   IO.mapRequired("Version", E.Version);
1775   IO.mapOptional("Feature", E.Feature, Hex8(0));
1776   IO.mapOptional("Address", E.Address, Hex64(0));
1777   IO.mapOptional("NumBlocks", E.NumBlocks);
1778   IO.mapOptional("BBEntries", E.BBEntries);
1779 }
1780 
1781 void MappingTraits<ELFYAML::BBAddrMapEntry::BBEntry>::mapping(
1782     IO &IO, ELFYAML::BBAddrMapEntry::BBEntry &E) {
1783   assert(IO.getContext() && "The IO context is not initialized");
1784   IO.mapRequired("AddressOffset", E.AddressOffset);
1785   IO.mapRequired("Size", E.Size);
1786   IO.mapRequired("Metadata", E.Metadata);
1787 }
1788 
1789 void MappingTraits<ELFYAML::GnuHashHeader>::mapping(IO &IO,
1790                                                     ELFYAML::GnuHashHeader &E) {
1791   assert(IO.getContext() && "The IO context is not initialized");
1792   IO.mapOptional("NBuckets", E.NBuckets);
1793   IO.mapRequired("SymNdx", E.SymNdx);
1794   IO.mapOptional("MaskWords", E.MaskWords);
1795   IO.mapRequired("Shift2", E.Shift2);
1796 }
1797 
1798 void MappingTraits<ELFYAML::DynamicEntry>::mapping(IO &IO,
1799                                                    ELFYAML::DynamicEntry &Rel) {
1800   assert(IO.getContext() && "The IO context is not initialized");
1801 
1802   IO.mapRequired("Tag", Rel.Tag);
1803   IO.mapRequired("Value", Rel.Val);
1804 }
1805 
1806 void MappingTraits<ELFYAML::NoteEntry>::mapping(IO &IO, ELFYAML::NoteEntry &N) {
1807   assert(IO.getContext() && "The IO context is not initialized");
1808 
1809   IO.mapOptional("Name", N.Name);
1810   IO.mapOptional("Desc", N.Desc);
1811   IO.mapRequired("Type", N.Type);
1812 }
1813 
1814 void MappingTraits<ELFYAML::VerdefEntry>::mapping(IO &IO,
1815                                                   ELFYAML::VerdefEntry &E) {
1816   assert(IO.getContext() && "The IO context is not initialized");
1817 
1818   IO.mapOptional("Version", E.Version);
1819   IO.mapOptional("Flags", E.Flags);
1820   IO.mapOptional("VersionNdx", E.VersionNdx);
1821   IO.mapOptional("Hash", E.Hash);
1822   IO.mapRequired("Names", E.VerNames);
1823 }
1824 
1825 void MappingTraits<ELFYAML::VerneedEntry>::mapping(IO &IO,
1826                                                    ELFYAML::VerneedEntry &E) {
1827   assert(IO.getContext() && "The IO context is not initialized");
1828 
1829   IO.mapRequired("Version", E.Version);
1830   IO.mapRequired("File", E.File);
1831   IO.mapRequired("Entries", E.AuxV);
1832 }
1833 
1834 void MappingTraits<ELFYAML::VernauxEntry>::mapping(IO &IO,
1835                                                    ELFYAML::VernauxEntry &E) {
1836   assert(IO.getContext() && "The IO context is not initialized");
1837 
1838   IO.mapRequired("Name", E.Name);
1839   IO.mapRequired("Hash", E.Hash);
1840   IO.mapRequired("Flags", E.Flags);
1841   IO.mapRequired("Other", E.Other);
1842 }
1843 
1844 void MappingTraits<ELFYAML::Relocation>::mapping(IO &IO,
1845                                                  ELFYAML::Relocation &Rel) {
1846   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
1847   assert(Object && "The IO context is not initialized");
1848 
1849   IO.mapOptional("Offset", Rel.Offset, (Hex64)0);
1850   IO.mapOptional("Symbol", Rel.Symbol);
1851 
1852   if (Object->getMachine() == ELFYAML::ELF_EM(ELF::EM_MIPS) &&
1853       Object->Header.Class == ELFYAML::ELF_ELFCLASS(ELF::ELFCLASS64)) {
1854     MappingNormalization<NormalizedMips64RelType, ELFYAML::ELF_REL> Key(
1855         IO, Rel.Type);
1856     IO.mapRequired("Type", Key->Type);
1857     IO.mapOptional("Type2", Key->Type2, ELFYAML::ELF_REL(ELF::R_MIPS_NONE));
1858     IO.mapOptional("Type3", Key->Type3, ELFYAML::ELF_REL(ELF::R_MIPS_NONE));
1859     IO.mapOptional("SpecSym", Key->SpecSym, ELFYAML::ELF_RSS(ELF::RSS_UNDEF));
1860   } else
1861     IO.mapRequired("Type", Rel.Type);
1862 
1863   IO.mapOptional("Addend", Rel.Addend, (ELFYAML::YAMLIntUInt)0);
1864 }
1865 
1866 void MappingTraits<ELFYAML::ARMIndexTableEntry>::mapping(
1867     IO &IO, ELFYAML::ARMIndexTableEntry &E) {
1868   assert(IO.getContext() && "The IO context is not initialized");
1869   IO.mapRequired("Offset", E.Offset);
1870 
1871   StringRef CantUnwind = "EXIDX_CANTUNWIND";
1872   if (IO.outputting() && (uint32_t)E.Value == ARM::EHABI::EXIDX_CANTUNWIND)
1873     IO.mapRequired("Value", CantUnwind);
1874   else if (!IO.outputting() && getStringValue(IO, "Value") == CantUnwind)
1875     E.Value = ARM::EHABI::EXIDX_CANTUNWIND;
1876   else
1877     IO.mapRequired("Value", E.Value);
1878 }
1879 
1880 void MappingTraits<ELFYAML::Object>::mapping(IO &IO, ELFYAML::Object &Object) {
1881   assert(!IO.getContext() && "The IO context is initialized already");
1882   IO.setContext(&Object);
1883   IO.mapTag("!ELF", true);
1884   IO.mapRequired("FileHeader", Object.Header);
1885   IO.mapOptional("ProgramHeaders", Object.ProgramHeaders);
1886   IO.mapOptional("Sections", Object.Chunks);
1887   IO.mapOptional("Symbols", Object.Symbols);
1888   IO.mapOptional("DynamicSymbols", Object.DynamicSymbols);
1889   IO.mapOptional("DWARF", Object.DWARF);
1890   if (Object.DWARF) {
1891     Object.DWARF->IsLittleEndian =
1892         Object.Header.Data == ELFYAML::ELF_ELFDATA(ELF::ELFDATA2LSB);
1893     Object.DWARF->Is64BitAddrSize =
1894         Object.Header.Class == ELFYAML::ELF_ELFCLASS(ELF::ELFCLASS64);
1895   }
1896   IO.setContext(nullptr);
1897 }
1898 
1899 void MappingTraits<ELFYAML::LinkerOption>::mapping(IO &IO,
1900                                                    ELFYAML::LinkerOption &Opt) {
1901   assert(IO.getContext() && "The IO context is not initialized");
1902   IO.mapRequired("Name", Opt.Key);
1903   IO.mapRequired("Value", Opt.Value);
1904 }
1905 
1906 void MappingTraits<ELFYAML::CallGraphEntryWeight>::mapping(
1907     IO &IO, ELFYAML::CallGraphEntryWeight &E) {
1908   assert(IO.getContext() && "The IO context is not initialized");
1909   IO.mapRequired("Weight", E.Weight);
1910 }
1911 
1912 LLVM_YAML_STRONG_TYPEDEF(uint8_t, MIPS_AFL_REG)
1913 LLVM_YAML_STRONG_TYPEDEF(uint8_t, MIPS_ABI_FP)
1914 LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_EXT)
1915 LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_ASE)
1916 LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_FLAGS1)
1917 
1918 } // end namespace yaml
1919 
1920 } // end namespace llvm
1921