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