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