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/StringRef.h"
15 #include "llvm/BinaryFormat/ELF.h"
16 #include "llvm/Support/Casting.h"
17 #include "llvm/Support/ErrorHandling.h"
18 #include "llvm/Support/MipsABIFlags.h"
19 #include "llvm/Support/YAMLTraits.h"
20 #include <cassert>
21 #include <cstdint>
22 
23 namespace llvm {
24 
25 ELFYAML::Section::~Section() = default;
26 
27 namespace yaml {
28 
29 void ScalarEnumerationTraits<ELFYAML::ELF_ET>::enumeration(
30     IO &IO, ELFYAML::ELF_ET &Value) {
31 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
32   ECase(ET_NONE);
33   ECase(ET_REL);
34   ECase(ET_EXEC);
35   ECase(ET_DYN);
36   ECase(ET_CORE);
37 #undef ECase
38   IO.enumFallback<Hex16>(Value);
39 }
40 
41 void ScalarEnumerationTraits<ELFYAML::ELF_PT>::enumeration(
42     IO &IO, ELFYAML::ELF_PT &Value) {
43 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
44   ECase(PT_NULL);
45   ECase(PT_LOAD);
46   ECase(PT_DYNAMIC);
47   ECase(PT_INTERP);
48   ECase(PT_NOTE);
49   ECase(PT_SHLIB);
50   ECase(PT_PHDR);
51   ECase(PT_TLS);
52   ECase(PT_GNU_EH_FRAME);
53 #undef ECase
54   IO.enumFallback<Hex32>(Value);
55 }
56 
57 void ScalarEnumerationTraits<ELFYAML::ELF_EM>::enumeration(
58     IO &IO, ELFYAML::ELF_EM &Value) {
59 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
60   ECase(EM_NONE);
61   ECase(EM_M32);
62   ECase(EM_SPARC);
63   ECase(EM_386);
64   ECase(EM_68K);
65   ECase(EM_88K);
66   ECase(EM_IAMCU);
67   ECase(EM_860);
68   ECase(EM_MIPS);
69   ECase(EM_S370);
70   ECase(EM_MIPS_RS3_LE);
71   ECase(EM_PARISC);
72   ECase(EM_VPP500);
73   ECase(EM_SPARC32PLUS);
74   ECase(EM_960);
75   ECase(EM_PPC);
76   ECase(EM_PPC64);
77   ECase(EM_S390);
78   ECase(EM_SPU);
79   ECase(EM_V800);
80   ECase(EM_FR20);
81   ECase(EM_RH32);
82   ECase(EM_RCE);
83   ECase(EM_ARM);
84   ECase(EM_ALPHA);
85   ECase(EM_SH);
86   ECase(EM_SPARCV9);
87   ECase(EM_TRICORE);
88   ECase(EM_ARC);
89   ECase(EM_H8_300);
90   ECase(EM_H8_300H);
91   ECase(EM_H8S);
92   ECase(EM_H8_500);
93   ECase(EM_IA_64);
94   ECase(EM_MIPS_X);
95   ECase(EM_COLDFIRE);
96   ECase(EM_68HC12);
97   ECase(EM_MMA);
98   ECase(EM_PCP);
99   ECase(EM_NCPU);
100   ECase(EM_NDR1);
101   ECase(EM_STARCORE);
102   ECase(EM_ME16);
103   ECase(EM_ST100);
104   ECase(EM_TINYJ);
105   ECase(EM_X86_64);
106   ECase(EM_PDSP);
107   ECase(EM_PDP10);
108   ECase(EM_PDP11);
109   ECase(EM_FX66);
110   ECase(EM_ST9PLUS);
111   ECase(EM_ST7);
112   ECase(EM_68HC16);
113   ECase(EM_68HC11);
114   ECase(EM_68HC08);
115   ECase(EM_68HC05);
116   ECase(EM_SVX);
117   ECase(EM_ST19);
118   ECase(EM_VAX);
119   ECase(EM_CRIS);
120   ECase(EM_JAVELIN);
121   ECase(EM_FIREPATH);
122   ECase(EM_ZSP);
123   ECase(EM_MMIX);
124   ECase(EM_HUANY);
125   ECase(EM_PRISM);
126   ECase(EM_AVR);
127   ECase(EM_FR30);
128   ECase(EM_D10V);
129   ECase(EM_D30V);
130   ECase(EM_V850);
131   ECase(EM_M32R);
132   ECase(EM_MN10300);
133   ECase(EM_MN10200);
134   ECase(EM_PJ);
135   ECase(EM_OPENRISC);
136   ECase(EM_ARC_COMPACT);
137   ECase(EM_XTENSA);
138   ECase(EM_VIDEOCORE);
139   ECase(EM_TMM_GPP);
140   ECase(EM_NS32K);
141   ECase(EM_TPC);
142   ECase(EM_SNP1K);
143   ECase(EM_ST200);
144   ECase(EM_IP2K);
145   ECase(EM_MAX);
146   ECase(EM_CR);
147   ECase(EM_F2MC16);
148   ECase(EM_MSP430);
149   ECase(EM_BLACKFIN);
150   ECase(EM_SE_C33);
151   ECase(EM_SEP);
152   ECase(EM_ARCA);
153   ECase(EM_UNICORE);
154   ECase(EM_EXCESS);
155   ECase(EM_DXP);
156   ECase(EM_ALTERA_NIOS2);
157   ECase(EM_CRX);
158   ECase(EM_XGATE);
159   ECase(EM_C166);
160   ECase(EM_M16C);
161   ECase(EM_DSPIC30F);
162   ECase(EM_CE);
163   ECase(EM_M32C);
164   ECase(EM_TSK3000);
165   ECase(EM_RS08);
166   ECase(EM_SHARC);
167   ECase(EM_ECOG2);
168   ECase(EM_SCORE7);
169   ECase(EM_DSP24);
170   ECase(EM_VIDEOCORE3);
171   ECase(EM_LATTICEMICO32);
172   ECase(EM_SE_C17);
173   ECase(EM_TI_C6000);
174   ECase(EM_TI_C2000);
175   ECase(EM_TI_C5500);
176   ECase(EM_MMDSP_PLUS);
177   ECase(EM_CYPRESS_M8C);
178   ECase(EM_R32C);
179   ECase(EM_TRIMEDIA);
180   ECase(EM_HEXAGON);
181   ECase(EM_8051);
182   ECase(EM_STXP7X);
183   ECase(EM_NDS32);
184   ECase(EM_ECOG1);
185   ECase(EM_ECOG1X);
186   ECase(EM_MAXQ30);
187   ECase(EM_XIMO16);
188   ECase(EM_MANIK);
189   ECase(EM_CRAYNV2);
190   ECase(EM_RX);
191   ECase(EM_METAG);
192   ECase(EM_MCST_ELBRUS);
193   ECase(EM_ECOG16);
194   ECase(EM_CR16);
195   ECase(EM_ETPU);
196   ECase(EM_SLE9X);
197   ECase(EM_L10M);
198   ECase(EM_K10M);
199   ECase(EM_AARCH64);
200   ECase(EM_AVR32);
201   ECase(EM_STM8);
202   ECase(EM_TILE64);
203   ECase(EM_TILEPRO);
204   ECase(EM_CUDA);
205   ECase(EM_TILEGX);
206   ECase(EM_CLOUDSHIELD);
207   ECase(EM_COREA_1ST);
208   ECase(EM_COREA_2ND);
209   ECase(EM_ARC_COMPACT2);
210   ECase(EM_OPEN8);
211   ECase(EM_RL78);
212   ECase(EM_VIDEOCORE5);
213   ECase(EM_78KOR);
214   ECase(EM_56800EX);
215   ECase(EM_AMDGPU);
216   ECase(EM_RISCV);
217   ECase(EM_LANAI);
218   ECase(EM_BPF);
219 #undef ECase
220 }
221 
222 void ScalarEnumerationTraits<ELFYAML::ELF_ELFCLASS>::enumeration(
223     IO &IO, ELFYAML::ELF_ELFCLASS &Value) {
224 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
225   // Since the semantics of ELFCLASSNONE is "invalid", just don't accept it
226   // here.
227   ECase(ELFCLASS32);
228   ECase(ELFCLASS64);
229 #undef ECase
230 }
231 
232 void ScalarEnumerationTraits<ELFYAML::ELF_ELFDATA>::enumeration(
233     IO &IO, ELFYAML::ELF_ELFDATA &Value) {
234 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
235   // Since the semantics of ELFDATANONE is "invalid", just don't accept it
236   // here.
237   ECase(ELFDATA2LSB);
238   ECase(ELFDATA2MSB);
239 #undef ECase
240 }
241 
242 void ScalarEnumerationTraits<ELFYAML::ELF_ELFOSABI>::enumeration(
243     IO &IO, ELFYAML::ELF_ELFOSABI &Value) {
244 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
245   ECase(ELFOSABI_NONE);
246   ECase(ELFOSABI_HPUX);
247   ECase(ELFOSABI_NETBSD);
248   ECase(ELFOSABI_GNU);
249   ECase(ELFOSABI_HURD);
250   ECase(ELFOSABI_SOLARIS);
251   ECase(ELFOSABI_AIX);
252   ECase(ELFOSABI_IRIX);
253   ECase(ELFOSABI_FREEBSD);
254   ECase(ELFOSABI_TRU64);
255   ECase(ELFOSABI_MODESTO);
256   ECase(ELFOSABI_OPENBSD);
257   ECase(ELFOSABI_OPENVMS);
258   ECase(ELFOSABI_NSK);
259   ECase(ELFOSABI_AROS);
260   ECase(ELFOSABI_FENIXOS);
261   ECase(ELFOSABI_CLOUDABI);
262   ECase(ELFOSABI_AMDGPU_HSA);
263   ECase(ELFOSABI_AMDGPU_PAL);
264   ECase(ELFOSABI_AMDGPU_MESA3D);
265   ECase(ELFOSABI_ARM);
266   ECase(ELFOSABI_C6000_ELFABI);
267   ECase(ELFOSABI_C6000_LINUX);
268   ECase(ELFOSABI_STANDALONE);
269 #undef ECase
270 }
271 
272 void ScalarBitSetTraits<ELFYAML::ELF_EF>::bitset(IO &IO,
273                                                  ELFYAML::ELF_EF &Value) {
274   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
275   assert(Object && "The IO context is not initialized");
276 #define BCase(X) IO.bitSetCase(Value, #X, ELF::X)
277 #define BCaseMask(X, M) IO.maskedBitSetCase(Value, #X, ELF::X, ELF::M)
278   switch (Object->Header.Machine) {
279   case ELF::EM_ARM:
280     BCase(EF_ARM_SOFT_FLOAT);
281     BCase(EF_ARM_VFP_FLOAT);
282     BCaseMask(EF_ARM_EABI_UNKNOWN, EF_ARM_EABIMASK);
283     BCaseMask(EF_ARM_EABI_VER1, EF_ARM_EABIMASK);
284     BCaseMask(EF_ARM_EABI_VER2, EF_ARM_EABIMASK);
285     BCaseMask(EF_ARM_EABI_VER3, EF_ARM_EABIMASK);
286     BCaseMask(EF_ARM_EABI_VER4, EF_ARM_EABIMASK);
287     BCaseMask(EF_ARM_EABI_VER5, EF_ARM_EABIMASK);
288     break;
289   case ELF::EM_MIPS:
290     BCase(EF_MIPS_NOREORDER);
291     BCase(EF_MIPS_PIC);
292     BCase(EF_MIPS_CPIC);
293     BCase(EF_MIPS_ABI2);
294     BCase(EF_MIPS_32BITMODE);
295     BCase(EF_MIPS_FP64);
296     BCase(EF_MIPS_NAN2008);
297     BCase(EF_MIPS_MICROMIPS);
298     BCase(EF_MIPS_ARCH_ASE_M16);
299     BCase(EF_MIPS_ARCH_ASE_MDMX);
300     BCaseMask(EF_MIPS_ABI_O32, EF_MIPS_ABI);
301     BCaseMask(EF_MIPS_ABI_O64, EF_MIPS_ABI);
302     BCaseMask(EF_MIPS_ABI_EABI32, EF_MIPS_ABI);
303     BCaseMask(EF_MIPS_ABI_EABI64, EF_MIPS_ABI);
304     BCaseMask(EF_MIPS_MACH_3900, EF_MIPS_MACH);
305     BCaseMask(EF_MIPS_MACH_4010, EF_MIPS_MACH);
306     BCaseMask(EF_MIPS_MACH_4100, EF_MIPS_MACH);
307     BCaseMask(EF_MIPS_MACH_4650, EF_MIPS_MACH);
308     BCaseMask(EF_MIPS_MACH_4120, EF_MIPS_MACH);
309     BCaseMask(EF_MIPS_MACH_4111, EF_MIPS_MACH);
310     BCaseMask(EF_MIPS_MACH_SB1, EF_MIPS_MACH);
311     BCaseMask(EF_MIPS_MACH_OCTEON, EF_MIPS_MACH);
312     BCaseMask(EF_MIPS_MACH_XLR, EF_MIPS_MACH);
313     BCaseMask(EF_MIPS_MACH_OCTEON2, EF_MIPS_MACH);
314     BCaseMask(EF_MIPS_MACH_OCTEON3, EF_MIPS_MACH);
315     BCaseMask(EF_MIPS_MACH_5400, EF_MIPS_MACH);
316     BCaseMask(EF_MIPS_MACH_5900, EF_MIPS_MACH);
317     BCaseMask(EF_MIPS_MACH_5500, EF_MIPS_MACH);
318     BCaseMask(EF_MIPS_MACH_9000, EF_MIPS_MACH);
319     BCaseMask(EF_MIPS_MACH_LS2E, EF_MIPS_MACH);
320     BCaseMask(EF_MIPS_MACH_LS2F, EF_MIPS_MACH);
321     BCaseMask(EF_MIPS_MACH_LS3A, EF_MIPS_MACH);
322     BCaseMask(EF_MIPS_ARCH_1, EF_MIPS_ARCH);
323     BCaseMask(EF_MIPS_ARCH_2, EF_MIPS_ARCH);
324     BCaseMask(EF_MIPS_ARCH_3, EF_MIPS_ARCH);
325     BCaseMask(EF_MIPS_ARCH_4, EF_MIPS_ARCH);
326     BCaseMask(EF_MIPS_ARCH_5, EF_MIPS_ARCH);
327     BCaseMask(EF_MIPS_ARCH_32, EF_MIPS_ARCH);
328     BCaseMask(EF_MIPS_ARCH_64, EF_MIPS_ARCH);
329     BCaseMask(EF_MIPS_ARCH_32R2, EF_MIPS_ARCH);
330     BCaseMask(EF_MIPS_ARCH_64R2, EF_MIPS_ARCH);
331     BCaseMask(EF_MIPS_ARCH_32R6, EF_MIPS_ARCH);
332     BCaseMask(EF_MIPS_ARCH_64R6, EF_MIPS_ARCH);
333     break;
334   case ELF::EM_HEXAGON:
335     BCase(EF_HEXAGON_MACH_V2);
336     BCase(EF_HEXAGON_MACH_V3);
337     BCase(EF_HEXAGON_MACH_V4);
338     BCase(EF_HEXAGON_MACH_V5);
339     BCase(EF_HEXAGON_MACH_V55);
340     BCase(EF_HEXAGON_MACH_V60);
341     BCase(EF_HEXAGON_MACH_V62);
342     BCase(EF_HEXAGON_MACH_V65);
343     BCase(EF_HEXAGON_ISA_V2);
344     BCase(EF_HEXAGON_ISA_V3);
345     BCase(EF_HEXAGON_ISA_V4);
346     BCase(EF_HEXAGON_ISA_V5);
347     BCase(EF_HEXAGON_ISA_V55);
348     BCase(EF_HEXAGON_ISA_V60);
349     BCase(EF_HEXAGON_ISA_V62);
350     BCase(EF_HEXAGON_ISA_V65);
351     break;
352   case ELF::EM_AVR:
353     BCase(EF_AVR_ARCH_AVR1);
354     BCase(EF_AVR_ARCH_AVR2);
355     BCase(EF_AVR_ARCH_AVR25);
356     BCase(EF_AVR_ARCH_AVR3);
357     BCase(EF_AVR_ARCH_AVR31);
358     BCase(EF_AVR_ARCH_AVR35);
359     BCase(EF_AVR_ARCH_AVR4);
360     BCase(EF_AVR_ARCH_AVR51);
361     BCase(EF_AVR_ARCH_AVR6);
362     BCase(EF_AVR_ARCH_AVRTINY);
363     BCase(EF_AVR_ARCH_XMEGA1);
364     BCase(EF_AVR_ARCH_XMEGA2);
365     BCase(EF_AVR_ARCH_XMEGA3);
366     BCase(EF_AVR_ARCH_XMEGA4);
367     BCase(EF_AVR_ARCH_XMEGA5);
368     BCase(EF_AVR_ARCH_XMEGA6);
369     BCase(EF_AVR_ARCH_XMEGA7);
370     break;
371   case ELF::EM_RISCV:
372     BCase(EF_RISCV_RVC);
373     BCaseMask(EF_RISCV_FLOAT_ABI_SOFT, EF_RISCV_FLOAT_ABI);
374     BCaseMask(EF_RISCV_FLOAT_ABI_SINGLE, EF_RISCV_FLOAT_ABI);
375     BCaseMask(EF_RISCV_FLOAT_ABI_DOUBLE, EF_RISCV_FLOAT_ABI);
376     BCaseMask(EF_RISCV_FLOAT_ABI_QUAD, EF_RISCV_FLOAT_ABI);
377     BCase(EF_RISCV_RVE);
378     break;
379   case ELF::EM_AMDGPU:
380     BCaseMask(EF_AMDGPU_MACH_NONE, EF_AMDGPU_MACH);
381     BCaseMask(EF_AMDGPU_MACH_R600_R600, EF_AMDGPU_MACH);
382     BCaseMask(EF_AMDGPU_MACH_R600_R630, EF_AMDGPU_MACH);
383     BCaseMask(EF_AMDGPU_MACH_R600_RS880, EF_AMDGPU_MACH);
384     BCaseMask(EF_AMDGPU_MACH_R600_RV670, EF_AMDGPU_MACH);
385     BCaseMask(EF_AMDGPU_MACH_R600_RV710, EF_AMDGPU_MACH);
386     BCaseMask(EF_AMDGPU_MACH_R600_RV730, EF_AMDGPU_MACH);
387     BCaseMask(EF_AMDGPU_MACH_R600_RV770, EF_AMDGPU_MACH);
388     BCaseMask(EF_AMDGPU_MACH_R600_CEDAR, EF_AMDGPU_MACH);
389     BCaseMask(EF_AMDGPU_MACH_R600_CYPRESS, EF_AMDGPU_MACH);
390     BCaseMask(EF_AMDGPU_MACH_R600_JUNIPER, EF_AMDGPU_MACH);
391     BCaseMask(EF_AMDGPU_MACH_R600_REDWOOD, EF_AMDGPU_MACH);
392     BCaseMask(EF_AMDGPU_MACH_R600_SUMO, EF_AMDGPU_MACH);
393     BCaseMask(EF_AMDGPU_MACH_R600_BARTS, EF_AMDGPU_MACH);
394     BCaseMask(EF_AMDGPU_MACH_R600_CAICOS, EF_AMDGPU_MACH);
395     BCaseMask(EF_AMDGPU_MACH_R600_CAYMAN, EF_AMDGPU_MACH);
396     BCaseMask(EF_AMDGPU_MACH_R600_TURKS, EF_AMDGPU_MACH);
397     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX600, EF_AMDGPU_MACH);
398     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX601, EF_AMDGPU_MACH);
399     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX700, EF_AMDGPU_MACH);
400     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX701, EF_AMDGPU_MACH);
401     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX702, EF_AMDGPU_MACH);
402     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX703, EF_AMDGPU_MACH);
403     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX704, EF_AMDGPU_MACH);
404     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX801, EF_AMDGPU_MACH);
405     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX802, EF_AMDGPU_MACH);
406     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX803, EF_AMDGPU_MACH);
407     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX810, EF_AMDGPU_MACH);
408     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX900, EF_AMDGPU_MACH);
409     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX902, EF_AMDGPU_MACH);
410     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX904, EF_AMDGPU_MACH);
411     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX906, EF_AMDGPU_MACH);
412     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX909, EF_AMDGPU_MACH);
413     BCase(EF_AMDGPU_XNACK);
414     BCase(EF_AMDGPU_SRAM_ECC);
415     break;
416   case ELF::EM_X86_64:
417     break;
418   default:
419     llvm_unreachable("Unsupported architecture");
420   }
421 #undef BCase
422 #undef BCaseMask
423 }
424 
425 void ScalarEnumerationTraits<ELFYAML::ELF_SHT>::enumeration(
426     IO &IO, ELFYAML::ELF_SHT &Value) {
427   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
428   assert(Object && "The IO context is not initialized");
429 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
430   ECase(SHT_NULL);
431   ECase(SHT_PROGBITS);
432   ECase(SHT_SYMTAB);
433   // FIXME: Issue a diagnostic with this information.
434   ECase(SHT_STRTAB);
435   ECase(SHT_RELA);
436   ECase(SHT_HASH);
437   ECase(SHT_DYNAMIC);
438   ECase(SHT_NOTE);
439   ECase(SHT_NOBITS);
440   ECase(SHT_REL);
441   ECase(SHT_SHLIB);
442   ECase(SHT_DYNSYM);
443   ECase(SHT_INIT_ARRAY);
444   ECase(SHT_FINI_ARRAY);
445   ECase(SHT_PREINIT_ARRAY);
446   ECase(SHT_GROUP);
447   ECase(SHT_SYMTAB_SHNDX);
448   ECase(SHT_RELR);
449   ECase(SHT_ANDROID_REL);
450   ECase(SHT_ANDROID_RELA);
451   ECase(SHT_ANDROID_RELR);
452   ECase(SHT_LLVM_ODRTAB);
453   ECase(SHT_LLVM_LINKER_OPTIONS);
454   ECase(SHT_LLVM_CALL_GRAPH_PROFILE);
455   ECase(SHT_LLVM_ADDRSIG);
456   ECase(SHT_GNU_ATTRIBUTES);
457   ECase(SHT_GNU_HASH);
458   ECase(SHT_GNU_verdef);
459   ECase(SHT_GNU_verneed);
460   ECase(SHT_GNU_versym);
461   switch (Object->Header.Machine) {
462   case ELF::EM_ARM:
463     ECase(SHT_ARM_EXIDX);
464     ECase(SHT_ARM_PREEMPTMAP);
465     ECase(SHT_ARM_ATTRIBUTES);
466     ECase(SHT_ARM_DEBUGOVERLAY);
467     ECase(SHT_ARM_OVERLAYSECTION);
468     break;
469   case ELF::EM_HEXAGON:
470     ECase(SHT_HEX_ORDERED);
471     break;
472   case ELF::EM_X86_64:
473     ECase(SHT_X86_64_UNWIND);
474     break;
475   case ELF::EM_MIPS:
476     ECase(SHT_MIPS_REGINFO);
477     ECase(SHT_MIPS_OPTIONS);
478     ECase(SHT_MIPS_ABIFLAGS);
479     break;
480   default:
481     // Nothing to do.
482     break;
483   }
484 #undef ECase
485   IO.enumFallback<Hex32>(Value);
486 }
487 
488 void ScalarBitSetTraits<ELFYAML::ELF_PF>::bitset(IO &IO,
489                                                  ELFYAML::ELF_PF &Value) {
490 #define BCase(X) IO.bitSetCase(Value, #X, ELF::X)
491   BCase(PF_X);
492   BCase(PF_W);
493   BCase(PF_R);
494 }
495 
496 void ScalarBitSetTraits<ELFYAML::ELF_SHF>::bitset(IO &IO,
497                                                   ELFYAML::ELF_SHF &Value) {
498   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
499 #define BCase(X) IO.bitSetCase(Value, #X, ELF::X)
500   BCase(SHF_WRITE);
501   BCase(SHF_ALLOC);
502   BCase(SHF_EXCLUDE);
503   BCase(SHF_EXECINSTR);
504   BCase(SHF_MERGE);
505   BCase(SHF_STRINGS);
506   BCase(SHF_INFO_LINK);
507   BCase(SHF_LINK_ORDER);
508   BCase(SHF_OS_NONCONFORMING);
509   BCase(SHF_GROUP);
510   BCase(SHF_TLS);
511   BCase(SHF_COMPRESSED);
512   switch (Object->Header.Machine) {
513   case ELF::EM_ARM:
514     BCase(SHF_ARM_PURECODE);
515     break;
516   case ELF::EM_HEXAGON:
517     BCase(SHF_HEX_GPREL);
518     break;
519   case ELF::EM_MIPS:
520     BCase(SHF_MIPS_NODUPES);
521     BCase(SHF_MIPS_NAMES);
522     BCase(SHF_MIPS_LOCAL);
523     BCase(SHF_MIPS_NOSTRIP);
524     BCase(SHF_MIPS_GPREL);
525     BCase(SHF_MIPS_MERGE);
526     BCase(SHF_MIPS_ADDR);
527     BCase(SHF_MIPS_STRING);
528     break;
529   case ELF::EM_X86_64:
530     BCase(SHF_X86_64_LARGE);
531     break;
532   default:
533     // Nothing to do.
534     break;
535   }
536 #undef BCase
537 }
538 
539 void ScalarEnumerationTraits<ELFYAML::ELF_SHN>::enumeration(
540     IO &IO, ELFYAML::ELF_SHN &Value) {
541 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
542   ECase(SHN_UNDEF);
543   ECase(SHN_LORESERVE);
544   ECase(SHN_LOPROC);
545   ECase(SHN_HIPROC);
546   ECase(SHN_LOOS);
547   ECase(SHN_HIOS);
548   ECase(SHN_ABS);
549   ECase(SHN_COMMON);
550   ECase(SHN_XINDEX);
551   ECase(SHN_HIRESERVE);
552   ECase(SHN_HEXAGON_SCOMMON);
553   ECase(SHN_HEXAGON_SCOMMON_1);
554   ECase(SHN_HEXAGON_SCOMMON_2);
555   ECase(SHN_HEXAGON_SCOMMON_4);
556   ECase(SHN_HEXAGON_SCOMMON_8);
557 #undef ECase
558   IO.enumFallback<Hex32>(Value);
559 }
560 
561 void ScalarEnumerationTraits<ELFYAML::ELF_STT>::enumeration(
562     IO &IO, ELFYAML::ELF_STT &Value) {
563 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
564   ECase(STT_NOTYPE);
565   ECase(STT_OBJECT);
566   ECase(STT_FUNC);
567   ECase(STT_SECTION);
568   ECase(STT_FILE);
569   ECase(STT_COMMON);
570   ECase(STT_TLS);
571   ECase(STT_GNU_IFUNC);
572 #undef ECase
573   IO.enumFallback<Hex8>(Value);
574 }
575 
576 void ScalarEnumerationTraits<ELFYAML::ELF_STV>::enumeration(
577     IO &IO, ELFYAML::ELF_STV &Value) {
578 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
579   ECase(STV_DEFAULT);
580   ECase(STV_INTERNAL);
581   ECase(STV_HIDDEN);
582   ECase(STV_PROTECTED);
583 #undef ECase
584 }
585 
586 void ScalarBitSetTraits<ELFYAML::ELF_STO>::bitset(IO &IO,
587                                                   ELFYAML::ELF_STO &Value) {
588   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
589   assert(Object && "The IO context is not initialized");
590 #define BCase(X) IO.bitSetCase(Value, #X, ELF::X)
591   switch (Object->Header.Machine) {
592   case ELF::EM_MIPS:
593     BCase(STO_MIPS_OPTIONAL);
594     BCase(STO_MIPS_PLT);
595     BCase(STO_MIPS_PIC);
596     BCase(STO_MIPS_MICROMIPS);
597     break;
598   default:
599     break; // Nothing to do
600   }
601 #undef BCase
602 #undef BCaseMask
603 }
604 
605 void ScalarEnumerationTraits<ELFYAML::ELF_RSS>::enumeration(
606     IO &IO, ELFYAML::ELF_RSS &Value) {
607 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
608   ECase(RSS_UNDEF);
609   ECase(RSS_GP);
610   ECase(RSS_GP0);
611   ECase(RSS_LOC);
612 #undef ECase
613 }
614 
615 void ScalarEnumerationTraits<ELFYAML::ELF_REL>::enumeration(
616     IO &IO, ELFYAML::ELF_REL &Value) {
617   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
618   assert(Object && "The IO context is not initialized");
619 #define ELF_RELOC(X, Y) IO.enumCase(Value, #X, ELF::X);
620   switch (Object->Header.Machine) {
621   case ELF::EM_X86_64:
622 #include "llvm/BinaryFormat/ELFRelocs/x86_64.def"
623     break;
624   case ELF::EM_MIPS:
625 #include "llvm/BinaryFormat/ELFRelocs/Mips.def"
626     break;
627   case ELF::EM_HEXAGON:
628 #include "llvm/BinaryFormat/ELFRelocs/Hexagon.def"
629     break;
630   case ELF::EM_386:
631   case ELF::EM_IAMCU:
632 #include "llvm/BinaryFormat/ELFRelocs/i386.def"
633     break;
634   case ELF::EM_AARCH64:
635 #include "llvm/BinaryFormat/ELFRelocs/AArch64.def"
636     break;
637   case ELF::EM_ARM:
638 #include "llvm/BinaryFormat/ELFRelocs/ARM.def"
639     break;
640   case ELF::EM_ARC:
641 #include "llvm/BinaryFormat/ELFRelocs/ARC.def"
642     break;
643   case ELF::EM_RISCV:
644 #include "llvm/BinaryFormat/ELFRelocs/RISCV.def"
645     break;
646   case ELF::EM_LANAI:
647 #include "llvm/BinaryFormat/ELFRelocs/Lanai.def"
648     break;
649   case ELF::EM_AMDGPU:
650 #include "llvm/BinaryFormat/ELFRelocs/AMDGPU.def"
651     break;
652   case ELF::EM_BPF:
653 #include "llvm/BinaryFormat/ELFRelocs/BPF.def"
654     break;
655   default:
656     llvm_unreachable("Unsupported architecture");
657   }
658 #undef ELF_RELOC
659   IO.enumFallback<Hex32>(Value);
660 }
661 
662 void ScalarEnumerationTraits<ELFYAML::ELF_DYNTAG>::enumeration(
663     IO &IO, ELFYAML::ELF_DYNTAG &Value) {
664   assert(IO.getContext() && "The IO context is not initialized");
665 
666 // TODO: For simplicity we do not handle target specific flags. They are
667 // still supported and will be shown as a raw numeric values in the output.
668 #define MIPS_DYNAMIC_TAG(name, value)
669 #define HEXAGON_DYNAMIC_TAG(name, value)
670 #define PPC64_DYNAMIC_TAG(name, value)
671 // Also ignore marker tags such as DT_HIOS (maps to DT_VERNEEDNUM), etc.
672 #define DYNAMIC_TAG_MARKER(name, value)
673 
674 #define STRINGIFY(X) (#X)
675 #define DYNAMIC_TAG(X, Y) IO.enumCase(Value, STRINGIFY(DT_##X), ELF::DT_##X);
676 #include "llvm/BinaryFormat/DynamicTags.def"
677 
678 #undef MIPS_DYNAMIC_TAG
679 #undef HEXAGON_DYNAMIC_TAG
680 #undef PPC64_DYNAMIC_TAG
681 #undef DYNAMIC_TAG_MARKER
682 #undef STRINGIFY
683 #undef DYNAMIC_TAG
684 
685   IO.enumFallback<Hex64>(Value);
686 }
687 
688 void ScalarEnumerationTraits<ELFYAML::MIPS_AFL_REG>::enumeration(
689     IO &IO, ELFYAML::MIPS_AFL_REG &Value) {
690 #define ECase(X) IO.enumCase(Value, #X, Mips::AFL_##X)
691   ECase(REG_NONE);
692   ECase(REG_32);
693   ECase(REG_64);
694   ECase(REG_128);
695 #undef ECase
696 }
697 
698 void ScalarEnumerationTraits<ELFYAML::MIPS_ABI_FP>::enumeration(
699     IO &IO, ELFYAML::MIPS_ABI_FP &Value) {
700 #define ECase(X) IO.enumCase(Value, #X, Mips::Val_GNU_MIPS_ABI_##X)
701   ECase(FP_ANY);
702   ECase(FP_DOUBLE);
703   ECase(FP_SINGLE);
704   ECase(FP_SOFT);
705   ECase(FP_OLD_64);
706   ECase(FP_XX);
707   ECase(FP_64);
708   ECase(FP_64A);
709 #undef ECase
710 }
711 
712 void ScalarEnumerationTraits<ELFYAML::MIPS_AFL_EXT>::enumeration(
713     IO &IO, ELFYAML::MIPS_AFL_EXT &Value) {
714 #define ECase(X) IO.enumCase(Value, #X, Mips::AFL_##X)
715   ECase(EXT_NONE);
716   ECase(EXT_XLR);
717   ECase(EXT_OCTEON2);
718   ECase(EXT_OCTEONP);
719   ECase(EXT_LOONGSON_3A);
720   ECase(EXT_OCTEON);
721   ECase(EXT_5900);
722   ECase(EXT_4650);
723   ECase(EXT_4010);
724   ECase(EXT_4100);
725   ECase(EXT_3900);
726   ECase(EXT_10000);
727   ECase(EXT_SB1);
728   ECase(EXT_4111);
729   ECase(EXT_4120);
730   ECase(EXT_5400);
731   ECase(EXT_5500);
732   ECase(EXT_LOONGSON_2E);
733   ECase(EXT_LOONGSON_2F);
734   ECase(EXT_OCTEON3);
735 #undef ECase
736 }
737 
738 void ScalarEnumerationTraits<ELFYAML::MIPS_ISA>::enumeration(
739     IO &IO, ELFYAML::MIPS_ISA &Value) {
740   IO.enumCase(Value, "MIPS1", 1);
741   IO.enumCase(Value, "MIPS2", 2);
742   IO.enumCase(Value, "MIPS3", 3);
743   IO.enumCase(Value, "MIPS4", 4);
744   IO.enumCase(Value, "MIPS5", 5);
745   IO.enumCase(Value, "MIPS32", 32);
746   IO.enumCase(Value, "MIPS64", 64);
747 }
748 
749 void ScalarBitSetTraits<ELFYAML::MIPS_AFL_ASE>::bitset(
750     IO &IO, ELFYAML::MIPS_AFL_ASE &Value) {
751 #define BCase(X) IO.bitSetCase(Value, #X, Mips::AFL_ASE_##X)
752   BCase(DSP);
753   BCase(DSPR2);
754   BCase(EVA);
755   BCase(MCU);
756   BCase(MDMX);
757   BCase(MIPS3D);
758   BCase(MT);
759   BCase(SMARTMIPS);
760   BCase(VIRT);
761   BCase(MSA);
762   BCase(MIPS16);
763   BCase(MICROMIPS);
764   BCase(XPA);
765 #undef BCase
766 }
767 
768 void ScalarBitSetTraits<ELFYAML::MIPS_AFL_FLAGS1>::bitset(
769     IO &IO, ELFYAML::MIPS_AFL_FLAGS1 &Value) {
770 #define BCase(X) IO.bitSetCase(Value, #X, Mips::AFL_FLAGS1_##X)
771   BCase(ODDSPREG);
772 #undef BCase
773 }
774 
775 void MappingTraits<ELFYAML::FileHeader>::mapping(IO &IO,
776                                                  ELFYAML::FileHeader &FileHdr) {
777   IO.mapRequired("Class", FileHdr.Class);
778   IO.mapRequired("Data", FileHdr.Data);
779   IO.mapOptional("OSABI", FileHdr.OSABI, ELFYAML::ELF_ELFOSABI(0));
780   IO.mapOptional("ABIVersion", FileHdr.ABIVersion, Hex8(0));
781   IO.mapRequired("Type", FileHdr.Type);
782   IO.mapRequired("Machine", FileHdr.Machine);
783   IO.mapOptional("Flags", FileHdr.Flags, ELFYAML::ELF_EF(0));
784   IO.mapOptional("Entry", FileHdr.Entry, Hex64(0));
785 }
786 
787 void MappingTraits<ELFYAML::ProgramHeader>::mapping(
788     IO &IO, ELFYAML::ProgramHeader &Phdr) {
789   IO.mapRequired("Type", Phdr.Type);
790   IO.mapOptional("Flags", Phdr.Flags, ELFYAML::ELF_PF(0));
791   IO.mapOptional("Sections", Phdr.Sections);
792   IO.mapOptional("VAddr", Phdr.VAddr, Hex64(0));
793   IO.mapOptional("PAddr", Phdr.PAddr, Hex64(0));
794   IO.mapOptional("Align", Phdr.Align);
795 }
796 
797 namespace {
798 
799 struct NormalizedOther {
800   NormalizedOther(IO &)
801       : Visibility(ELFYAML::ELF_STV(0)), Other(ELFYAML::ELF_STO(0)) {}
802   NormalizedOther(IO &, uint8_t Original)
803       : Visibility(Original & 0x3), Other(Original & ~0x3) {}
804 
805   uint8_t denormalize(IO &) { return Visibility | Other; }
806 
807   ELFYAML::ELF_STV Visibility;
808   ELFYAML::ELF_STO Other;
809 };
810 
811 } // end anonymous namespace
812 
813 void MappingTraits<ELFYAML::Symbol>::mapping(IO &IO, ELFYAML::Symbol &Symbol) {
814   IO.mapOptional("Name", Symbol.Name, StringRef());
815   IO.mapOptional("Type", Symbol.Type, ELFYAML::ELF_STT(0));
816   IO.mapOptional("Section", Symbol.Section, StringRef());
817   IO.mapOptional("Index", Symbol.Index);
818   IO.mapOptional("Value", Symbol.Value, Hex64(0));
819   IO.mapOptional("Size", Symbol.Size, Hex64(0));
820 
821   MappingNormalization<NormalizedOther, uint8_t> Keys(IO, Symbol.Other);
822   IO.mapOptional("Visibility", Keys->Visibility, ELFYAML::ELF_STV(0));
823   IO.mapOptional("Other", Keys->Other, ELFYAML::ELF_STO(0));
824 }
825 
826 StringRef MappingTraits<ELFYAML::Symbol>::validate(IO &IO,
827                                                    ELFYAML::Symbol &Symbol) {
828   if (Symbol.Index && Symbol.Section.data()) {
829     return "Index and Section cannot both be specified for Symbol";
830   }
831   if (Symbol.Index && *Symbol.Index == ELFYAML::ELF_SHN(ELF::SHN_XINDEX)) {
832     return "Large indexes are not supported";
833   }
834   if (Symbol.Index && *Symbol.Index < ELFYAML::ELF_SHN(ELF::SHN_LORESERVE)) {
835     return "Use a section name to define which section a symbol is defined in";
836   }
837   return StringRef();
838 }
839 
840 void MappingTraits<ELFYAML::LocalGlobalWeakSymbols>::mapping(
841     IO &IO, ELFYAML::LocalGlobalWeakSymbols &Symbols) {
842   IO.mapOptional("Local", Symbols.Local);
843   IO.mapOptional("Global", Symbols.Global);
844   IO.mapOptional("Weak", Symbols.Weak);
845 }
846 
847 static void commonSectionMapping(IO &IO, ELFYAML::Section &Section) {
848   IO.mapOptional("Name", Section.Name, StringRef());
849   IO.mapRequired("Type", Section.Type);
850   IO.mapOptional("Flags", Section.Flags, ELFYAML::ELF_SHF(0));
851   IO.mapOptional("Address", Section.Address, Hex64(0));
852   IO.mapOptional("Link", Section.Link, StringRef());
853   IO.mapOptional("AddressAlign", Section.AddressAlign, Hex64(0));
854   IO.mapOptional("EntSize", Section.EntSize);
855 }
856 
857 static void sectionMapping(IO &IO, ELFYAML::DynamicSection &Section) {
858   commonSectionMapping(IO, Section);
859   IO.mapOptional("Entries", Section.Entries);
860 }
861 
862 static void sectionMapping(IO &IO, ELFYAML::RawContentSection &Section) {
863   commonSectionMapping(IO, Section);
864   IO.mapOptional("Content", Section.Content);
865   IO.mapOptional("Size", Section.Size, Hex64(Section.Content.binary_size()));
866 }
867 
868 static void sectionMapping(IO &IO, ELFYAML::NoBitsSection &Section) {
869   commonSectionMapping(IO, Section);
870   IO.mapOptional("Size", Section.Size, Hex64(0));
871 }
872 
873 static void sectionMapping(IO &IO, ELFYAML::SymverSection &Section) {
874   commonSectionMapping(IO, Section);
875   IO.mapRequired("Entries", Section.Entries);
876 }
877 
878 static void sectionMapping(IO &IO, ELFYAML::VerneedSection &Section) {
879   commonSectionMapping(IO, Section);
880   IO.mapRequired("Info", Section.Info);
881   IO.mapRequired("Dependencies", Section.VerneedV);
882 }
883 
884 static void sectionMapping(IO &IO, ELFYAML::RelocationSection &Section) {
885   commonSectionMapping(IO, Section);
886   IO.mapOptional("Info", Section.RelocatableSec, StringRef());
887   IO.mapOptional("Relocations", Section.Relocations);
888 }
889 
890 static void groupSectionMapping(IO &IO, ELFYAML::Group &Group) {
891   commonSectionMapping(IO, Group);
892   IO.mapOptional("Info", Group.Signature, StringRef());
893   IO.mapRequired("Members", Group.Members);
894 }
895 
896 void MappingTraits<ELFYAML::SectionOrType>::mapping(
897     IO &IO, ELFYAML::SectionOrType &sectionOrType) {
898   IO.mapRequired("SectionOrType", sectionOrType.sectionNameOrType);
899 }
900 
901 void MappingTraits<ELFYAML::SectionName>::mapping(
902     IO &IO, ELFYAML::SectionName &sectionName) {
903   IO.mapRequired("Section", sectionName.Section);
904 }
905 
906 static void sectionMapping(IO &IO, ELFYAML::MipsABIFlags &Section) {
907   commonSectionMapping(IO, Section);
908   IO.mapOptional("Version", Section.Version, Hex16(0));
909   IO.mapRequired("ISA", Section.ISALevel);
910   IO.mapOptional("ISARevision", Section.ISARevision, Hex8(0));
911   IO.mapOptional("ISAExtension", Section.ISAExtension,
912                  ELFYAML::MIPS_AFL_EXT(Mips::AFL_EXT_NONE));
913   IO.mapOptional("ASEs", Section.ASEs, ELFYAML::MIPS_AFL_ASE(0));
914   IO.mapOptional("FpABI", Section.FpABI,
915                  ELFYAML::MIPS_ABI_FP(Mips::Val_GNU_MIPS_ABI_FP_ANY));
916   IO.mapOptional("GPRSize", Section.GPRSize,
917                  ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE));
918   IO.mapOptional("CPR1Size", Section.CPR1Size,
919                  ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE));
920   IO.mapOptional("CPR2Size", Section.CPR2Size,
921                  ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE));
922   IO.mapOptional("Flags1", Section.Flags1, ELFYAML::MIPS_AFL_FLAGS1(0));
923   IO.mapOptional("Flags2", Section.Flags2, Hex32(0));
924 }
925 
926 void MappingTraits<std::unique_ptr<ELFYAML::Section>>::mapping(
927     IO &IO, std::unique_ptr<ELFYAML::Section> &Section) {
928   ELFYAML::ELF_SHT sectionType;
929   if (IO.outputting())
930     sectionType = Section->Type;
931   else
932     IO.mapRequired("Type", sectionType);
933 
934   switch (sectionType) {
935   case ELF::SHT_DYNAMIC:
936     if (!IO.outputting())
937       Section.reset(new ELFYAML::DynamicSection());
938     sectionMapping(IO, *cast<ELFYAML::DynamicSection>(Section.get()));
939     break;
940   case ELF::SHT_REL:
941   case ELF::SHT_RELA:
942     if (!IO.outputting())
943       Section.reset(new ELFYAML::RelocationSection());
944     sectionMapping(IO, *cast<ELFYAML::RelocationSection>(Section.get()));
945     break;
946   case ELF::SHT_GROUP:
947     if (!IO.outputting())
948       Section.reset(new ELFYAML::Group());
949     groupSectionMapping(IO, *cast<ELFYAML::Group>(Section.get()));
950     break;
951   case ELF::SHT_NOBITS:
952     if (!IO.outputting())
953       Section.reset(new ELFYAML::NoBitsSection());
954     sectionMapping(IO, *cast<ELFYAML::NoBitsSection>(Section.get()));
955     break;
956   case ELF::SHT_MIPS_ABIFLAGS:
957     if (!IO.outputting())
958       Section.reset(new ELFYAML::MipsABIFlags());
959     sectionMapping(IO, *cast<ELFYAML::MipsABIFlags>(Section.get()));
960     break;
961   case ELF::SHT_GNU_versym:
962     if (!IO.outputting())
963       Section.reset(new ELFYAML::SymverSection());
964     sectionMapping(IO, *cast<ELFYAML::SymverSection>(Section.get()));
965     break;
966   case ELF::SHT_GNU_verneed:
967     if (!IO.outputting())
968       Section.reset(new ELFYAML::VerneedSection());
969     sectionMapping(IO, *cast<ELFYAML::VerneedSection>(Section.get()));
970     break;
971   default:
972     if (!IO.outputting())
973       Section.reset(new ELFYAML::RawContentSection());
974     sectionMapping(IO, *cast<ELFYAML::RawContentSection>(Section.get()));
975   }
976 }
977 
978 StringRef MappingTraits<std::unique_ptr<ELFYAML::Section>>::validate(
979     IO &io, std::unique_ptr<ELFYAML::Section> &Section) {
980   const auto *RawSection = dyn_cast<ELFYAML::RawContentSection>(Section.get());
981   if (!RawSection || RawSection->Size >= RawSection->Content.binary_size())
982     return StringRef();
983   return "Section size must be greater or equal to the content size";
984 }
985 
986 namespace {
987 
988 struct NormalizedMips64RelType {
989   NormalizedMips64RelType(IO &)
990       : Type(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)),
991         Type2(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)),
992         Type3(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)),
993         SpecSym(ELFYAML::ELF_REL(ELF::RSS_UNDEF)) {}
994   NormalizedMips64RelType(IO &, ELFYAML::ELF_REL Original)
995       : Type(Original & 0xFF), Type2(Original >> 8 & 0xFF),
996         Type3(Original >> 16 & 0xFF), SpecSym(Original >> 24 & 0xFF) {}
997 
998   ELFYAML::ELF_REL denormalize(IO &) {
999     ELFYAML::ELF_REL Res = Type | Type2 << 8 | Type3 << 16 | SpecSym << 24;
1000     return Res;
1001   }
1002 
1003   ELFYAML::ELF_REL Type;
1004   ELFYAML::ELF_REL Type2;
1005   ELFYAML::ELF_REL Type3;
1006   ELFYAML::ELF_RSS SpecSym;
1007 };
1008 
1009 } // end anonymous namespace
1010 
1011 void MappingTraits<ELFYAML::DynamicEntry>::mapping(IO &IO,
1012                                                    ELFYAML::DynamicEntry &Rel) {
1013   assert(IO.getContext() && "The IO context is not initialized");
1014 
1015   IO.mapRequired("Tag", Rel.Tag);
1016   IO.mapRequired("Value", Rel.Val);
1017 }
1018 
1019 void MappingTraits<ELFYAML::VerneedEntry>::mapping(IO &IO,
1020                                                    ELFYAML::VerneedEntry &E) {
1021   assert(IO.getContext() && "The IO context is not initialized");
1022 
1023   IO.mapRequired("Version", E.Version);
1024   IO.mapRequired("File", E.File);
1025   IO.mapRequired("Entries", E.AuxV);
1026 }
1027 
1028 void MappingTraits<ELFYAML::VernauxEntry>::mapping(IO &IO,
1029                                                    ELFYAML::VernauxEntry &E) {
1030   assert(IO.getContext() && "The IO context is not initialized");
1031 
1032   IO.mapRequired("Name", E.Name);
1033   IO.mapRequired("Hash", E.Hash);
1034   IO.mapRequired("Flags", E.Flags);
1035   IO.mapRequired("Other", E.Other);
1036 }
1037 
1038 void MappingTraits<ELFYAML::Relocation>::mapping(IO &IO,
1039                                                  ELFYAML::Relocation &Rel) {
1040   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
1041   assert(Object && "The IO context is not initialized");
1042 
1043   IO.mapRequired("Offset", Rel.Offset);
1044   IO.mapOptional("Symbol", Rel.Symbol);
1045 
1046   if (Object->Header.Machine == ELFYAML::ELF_EM(ELF::EM_MIPS) &&
1047       Object->Header.Class == ELFYAML::ELF_ELFCLASS(ELF::ELFCLASS64)) {
1048     MappingNormalization<NormalizedMips64RelType, ELFYAML::ELF_REL> Key(
1049         IO, Rel.Type);
1050     IO.mapRequired("Type", Key->Type);
1051     IO.mapOptional("Type2", Key->Type2, ELFYAML::ELF_REL(ELF::R_MIPS_NONE));
1052     IO.mapOptional("Type3", Key->Type3, ELFYAML::ELF_REL(ELF::R_MIPS_NONE));
1053     IO.mapOptional("SpecSym", Key->SpecSym, ELFYAML::ELF_RSS(ELF::RSS_UNDEF));
1054   } else
1055     IO.mapRequired("Type", Rel.Type);
1056 
1057   IO.mapOptional("Addend", Rel.Addend, (int64_t)0);
1058 }
1059 
1060 void MappingTraits<ELFYAML::Object>::mapping(IO &IO, ELFYAML::Object &Object) {
1061   assert(!IO.getContext() && "The IO context is initialized already");
1062   IO.setContext(&Object);
1063   IO.mapTag("!ELF", true);
1064   IO.mapRequired("FileHeader", Object.Header);
1065   IO.mapOptional("ProgramHeaders", Object.ProgramHeaders);
1066   IO.mapOptional("Sections", Object.Sections);
1067   IO.mapOptional("Symbols", Object.Symbols);
1068   IO.mapOptional("DynamicSymbols", Object.DynamicSymbols);
1069   IO.setContext(nullptr);
1070 }
1071 
1072 LLVM_YAML_STRONG_TYPEDEF(uint8_t, MIPS_AFL_REG)
1073 LLVM_YAML_STRONG_TYPEDEF(uint8_t, MIPS_ABI_FP)
1074 LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_EXT)
1075 LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_ASE)
1076 LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_FLAGS1)
1077 
1078 } // end namespace yaml
1079 
1080 } // end namespace llvm
1081