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_MACH_V67T);
355     BCase(EF_HEXAGON_ISA_V2);
356     BCase(EF_HEXAGON_ISA_V3);
357     BCase(EF_HEXAGON_ISA_V4);
358     BCase(EF_HEXAGON_ISA_V5);
359     BCase(EF_HEXAGON_ISA_V55);
360     BCase(EF_HEXAGON_ISA_V60);
361     BCase(EF_HEXAGON_ISA_V62);
362     BCase(EF_HEXAGON_ISA_V65);
363     BCase(EF_HEXAGON_ISA_V66);
364     BCase(EF_HEXAGON_ISA_V67);
365     break;
366   case ELF::EM_AVR:
367     BCase(EF_AVR_ARCH_AVR1);
368     BCase(EF_AVR_ARCH_AVR2);
369     BCase(EF_AVR_ARCH_AVR25);
370     BCase(EF_AVR_ARCH_AVR3);
371     BCase(EF_AVR_ARCH_AVR31);
372     BCase(EF_AVR_ARCH_AVR35);
373     BCase(EF_AVR_ARCH_AVR4);
374     BCase(EF_AVR_ARCH_AVR51);
375     BCase(EF_AVR_ARCH_AVR6);
376     BCase(EF_AVR_ARCH_AVRTINY);
377     BCase(EF_AVR_ARCH_XMEGA1);
378     BCase(EF_AVR_ARCH_XMEGA2);
379     BCase(EF_AVR_ARCH_XMEGA3);
380     BCase(EF_AVR_ARCH_XMEGA4);
381     BCase(EF_AVR_ARCH_XMEGA5);
382     BCase(EF_AVR_ARCH_XMEGA6);
383     BCase(EF_AVR_ARCH_XMEGA7);
384     break;
385   case ELF::EM_RISCV:
386     BCase(EF_RISCV_RVC);
387     BCaseMask(EF_RISCV_FLOAT_ABI_SOFT, EF_RISCV_FLOAT_ABI);
388     BCaseMask(EF_RISCV_FLOAT_ABI_SINGLE, EF_RISCV_FLOAT_ABI);
389     BCaseMask(EF_RISCV_FLOAT_ABI_DOUBLE, EF_RISCV_FLOAT_ABI);
390     BCaseMask(EF_RISCV_FLOAT_ABI_QUAD, EF_RISCV_FLOAT_ABI);
391     BCase(EF_RISCV_RVE);
392     break;
393   case ELF::EM_AMDGPU:
394     BCaseMask(EF_AMDGPU_MACH_NONE, EF_AMDGPU_MACH);
395     BCaseMask(EF_AMDGPU_MACH_R600_R600, EF_AMDGPU_MACH);
396     BCaseMask(EF_AMDGPU_MACH_R600_R630, EF_AMDGPU_MACH);
397     BCaseMask(EF_AMDGPU_MACH_R600_RS880, EF_AMDGPU_MACH);
398     BCaseMask(EF_AMDGPU_MACH_R600_RV670, EF_AMDGPU_MACH);
399     BCaseMask(EF_AMDGPU_MACH_R600_RV710, EF_AMDGPU_MACH);
400     BCaseMask(EF_AMDGPU_MACH_R600_RV730, EF_AMDGPU_MACH);
401     BCaseMask(EF_AMDGPU_MACH_R600_RV770, EF_AMDGPU_MACH);
402     BCaseMask(EF_AMDGPU_MACH_R600_CEDAR, EF_AMDGPU_MACH);
403     BCaseMask(EF_AMDGPU_MACH_R600_CYPRESS, EF_AMDGPU_MACH);
404     BCaseMask(EF_AMDGPU_MACH_R600_JUNIPER, EF_AMDGPU_MACH);
405     BCaseMask(EF_AMDGPU_MACH_R600_REDWOOD, EF_AMDGPU_MACH);
406     BCaseMask(EF_AMDGPU_MACH_R600_SUMO, EF_AMDGPU_MACH);
407     BCaseMask(EF_AMDGPU_MACH_R600_BARTS, EF_AMDGPU_MACH);
408     BCaseMask(EF_AMDGPU_MACH_R600_CAICOS, EF_AMDGPU_MACH);
409     BCaseMask(EF_AMDGPU_MACH_R600_CAYMAN, EF_AMDGPU_MACH);
410     BCaseMask(EF_AMDGPU_MACH_R600_TURKS, EF_AMDGPU_MACH);
411     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX600, EF_AMDGPU_MACH);
412     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX601, EF_AMDGPU_MACH);
413     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX700, EF_AMDGPU_MACH);
414     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX701, EF_AMDGPU_MACH);
415     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX702, EF_AMDGPU_MACH);
416     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX703, EF_AMDGPU_MACH);
417     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX704, EF_AMDGPU_MACH);
418     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX801, EF_AMDGPU_MACH);
419     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX802, EF_AMDGPU_MACH);
420     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX803, EF_AMDGPU_MACH);
421     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX810, EF_AMDGPU_MACH);
422     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX900, EF_AMDGPU_MACH);
423     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX902, EF_AMDGPU_MACH);
424     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX904, EF_AMDGPU_MACH);
425     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX906, EF_AMDGPU_MACH);
426     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX908, EF_AMDGPU_MACH);
427     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX909, EF_AMDGPU_MACH);
428     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1010, EF_AMDGPU_MACH);
429     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1011, EF_AMDGPU_MACH);
430     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1012, EF_AMDGPU_MACH);
431     BCase(EF_AMDGPU_XNACK);
432     BCase(EF_AMDGPU_SRAM_ECC);
433     break;
434   case ELF::EM_X86_64:
435     break;
436   default:
437     llvm_unreachable("Unsupported architecture");
438   }
439 #undef BCase
440 #undef BCaseMask
441 }
442 
443 void ScalarEnumerationTraits<ELFYAML::ELF_SHT>::enumeration(
444     IO &IO, ELFYAML::ELF_SHT &Value) {
445   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
446   assert(Object && "The IO context is not initialized");
447 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
448   ECase(SHT_NULL);
449   ECase(SHT_PROGBITS);
450   ECase(SHT_SYMTAB);
451   // FIXME: Issue a diagnostic with this information.
452   ECase(SHT_STRTAB);
453   ECase(SHT_RELA);
454   ECase(SHT_HASH);
455   ECase(SHT_DYNAMIC);
456   ECase(SHT_NOTE);
457   ECase(SHT_NOBITS);
458   ECase(SHT_REL);
459   ECase(SHT_SHLIB);
460   ECase(SHT_DYNSYM);
461   ECase(SHT_INIT_ARRAY);
462   ECase(SHT_FINI_ARRAY);
463   ECase(SHT_PREINIT_ARRAY);
464   ECase(SHT_GROUP);
465   ECase(SHT_SYMTAB_SHNDX);
466   ECase(SHT_RELR);
467   ECase(SHT_ANDROID_REL);
468   ECase(SHT_ANDROID_RELA);
469   ECase(SHT_ANDROID_RELR);
470   ECase(SHT_LLVM_ODRTAB);
471   ECase(SHT_LLVM_LINKER_OPTIONS);
472   ECase(SHT_LLVM_CALL_GRAPH_PROFILE);
473   ECase(SHT_LLVM_ADDRSIG);
474   ECase(SHT_LLVM_DEPENDENT_LIBRARIES);
475   ECase(SHT_LLVM_SYMPART);
476   ECase(SHT_LLVM_PART_EHDR);
477   ECase(SHT_LLVM_PART_PHDR);
478   ECase(SHT_GNU_ATTRIBUTES);
479   ECase(SHT_GNU_HASH);
480   ECase(SHT_GNU_verdef);
481   ECase(SHT_GNU_verneed);
482   ECase(SHT_GNU_versym);
483   switch (Object->Header.Machine) {
484   case ELF::EM_ARM:
485     ECase(SHT_ARM_EXIDX);
486     ECase(SHT_ARM_PREEMPTMAP);
487     ECase(SHT_ARM_ATTRIBUTES);
488     ECase(SHT_ARM_DEBUGOVERLAY);
489     ECase(SHT_ARM_OVERLAYSECTION);
490     break;
491   case ELF::EM_HEXAGON:
492     ECase(SHT_HEX_ORDERED);
493     break;
494   case ELF::EM_X86_64:
495     ECase(SHT_X86_64_UNWIND);
496     break;
497   case ELF::EM_MIPS:
498     ECase(SHT_MIPS_REGINFO);
499     ECase(SHT_MIPS_OPTIONS);
500     ECase(SHT_MIPS_DWARF);
501     ECase(SHT_MIPS_ABIFLAGS);
502     break;
503   default:
504     // Nothing to do.
505     break;
506   }
507 #undef ECase
508   IO.enumFallback<Hex32>(Value);
509 }
510 
511 void ScalarBitSetTraits<ELFYAML::ELF_PF>::bitset(IO &IO,
512                                                  ELFYAML::ELF_PF &Value) {
513 #define BCase(X) IO.bitSetCase(Value, #X, ELF::X)
514   BCase(PF_X);
515   BCase(PF_W);
516   BCase(PF_R);
517 }
518 
519 void ScalarBitSetTraits<ELFYAML::ELF_SHF>::bitset(IO &IO,
520                                                   ELFYAML::ELF_SHF &Value) {
521   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
522 #define BCase(X) IO.bitSetCase(Value, #X, ELF::X)
523   BCase(SHF_WRITE);
524   BCase(SHF_ALLOC);
525   BCase(SHF_EXCLUDE);
526   BCase(SHF_EXECINSTR);
527   BCase(SHF_MERGE);
528   BCase(SHF_STRINGS);
529   BCase(SHF_INFO_LINK);
530   BCase(SHF_LINK_ORDER);
531   BCase(SHF_OS_NONCONFORMING);
532   BCase(SHF_GROUP);
533   BCase(SHF_TLS);
534   BCase(SHF_COMPRESSED);
535   switch (Object->Header.Machine) {
536   case ELF::EM_ARM:
537     BCase(SHF_ARM_PURECODE);
538     break;
539   case ELF::EM_HEXAGON:
540     BCase(SHF_HEX_GPREL);
541     break;
542   case ELF::EM_MIPS:
543     BCase(SHF_MIPS_NODUPES);
544     BCase(SHF_MIPS_NAMES);
545     BCase(SHF_MIPS_LOCAL);
546     BCase(SHF_MIPS_NOSTRIP);
547     BCase(SHF_MIPS_GPREL);
548     BCase(SHF_MIPS_MERGE);
549     BCase(SHF_MIPS_ADDR);
550     BCase(SHF_MIPS_STRING);
551     break;
552   case ELF::EM_X86_64:
553     BCase(SHF_X86_64_LARGE);
554     break;
555   default:
556     // Nothing to do.
557     break;
558   }
559 #undef BCase
560 }
561 
562 void ScalarEnumerationTraits<ELFYAML::ELF_SHN>::enumeration(
563     IO &IO, ELFYAML::ELF_SHN &Value) {
564 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
565   ECase(SHN_UNDEF);
566   ECase(SHN_LORESERVE);
567   ECase(SHN_LOPROC);
568   ECase(SHN_HIPROC);
569   ECase(SHN_LOOS);
570   ECase(SHN_HIOS);
571   ECase(SHN_ABS);
572   ECase(SHN_COMMON);
573   ECase(SHN_XINDEX);
574   ECase(SHN_HIRESERVE);
575   ECase(SHN_AMDGPU_LDS);
576   ECase(SHN_HEXAGON_SCOMMON);
577   ECase(SHN_HEXAGON_SCOMMON_1);
578   ECase(SHN_HEXAGON_SCOMMON_2);
579   ECase(SHN_HEXAGON_SCOMMON_4);
580   ECase(SHN_HEXAGON_SCOMMON_8);
581 #undef ECase
582   IO.enumFallback<Hex16>(Value);
583 }
584 
585 void ScalarEnumerationTraits<ELFYAML::ELF_STB>::enumeration(
586     IO &IO, ELFYAML::ELF_STB &Value) {
587 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
588   ECase(STB_LOCAL);
589   ECase(STB_GLOBAL);
590   ECase(STB_WEAK);
591   ECase(STB_GNU_UNIQUE);
592 #undef ECase
593   IO.enumFallback<Hex8>(Value);
594 }
595 
596 void ScalarEnumerationTraits<ELFYAML::ELF_STT>::enumeration(
597     IO &IO, ELFYAML::ELF_STT &Value) {
598 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
599   ECase(STT_NOTYPE);
600   ECase(STT_OBJECT);
601   ECase(STT_FUNC);
602   ECase(STT_SECTION);
603   ECase(STT_FILE);
604   ECase(STT_COMMON);
605   ECase(STT_TLS);
606   ECase(STT_GNU_IFUNC);
607 #undef ECase
608   IO.enumFallback<Hex8>(Value);
609 }
610 
611 
612 void ScalarEnumerationTraits<ELFYAML::ELF_RSS>::enumeration(
613     IO &IO, ELFYAML::ELF_RSS &Value) {
614 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
615   ECase(RSS_UNDEF);
616   ECase(RSS_GP);
617   ECase(RSS_GP0);
618   ECase(RSS_LOC);
619 #undef ECase
620 }
621 
622 void ScalarEnumerationTraits<ELFYAML::ELF_REL>::enumeration(
623     IO &IO, ELFYAML::ELF_REL &Value) {
624   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
625   assert(Object && "The IO context is not initialized");
626 #define ELF_RELOC(X, Y) IO.enumCase(Value, #X, ELF::X);
627   switch (Object->Header.Machine) {
628   case ELF::EM_X86_64:
629 #include "llvm/BinaryFormat/ELFRelocs/x86_64.def"
630     break;
631   case ELF::EM_MIPS:
632 #include "llvm/BinaryFormat/ELFRelocs/Mips.def"
633     break;
634   case ELF::EM_HEXAGON:
635 #include "llvm/BinaryFormat/ELFRelocs/Hexagon.def"
636     break;
637   case ELF::EM_386:
638   case ELF::EM_IAMCU:
639 #include "llvm/BinaryFormat/ELFRelocs/i386.def"
640     break;
641   case ELF::EM_AARCH64:
642 #include "llvm/BinaryFormat/ELFRelocs/AArch64.def"
643     break;
644   case ELF::EM_ARM:
645 #include "llvm/BinaryFormat/ELFRelocs/ARM.def"
646     break;
647   case ELF::EM_ARC:
648 #include "llvm/BinaryFormat/ELFRelocs/ARC.def"
649     break;
650   case ELF::EM_RISCV:
651 #include "llvm/BinaryFormat/ELFRelocs/RISCV.def"
652     break;
653   case ELF::EM_LANAI:
654 #include "llvm/BinaryFormat/ELFRelocs/Lanai.def"
655     break;
656   case ELF::EM_AMDGPU:
657 #include "llvm/BinaryFormat/ELFRelocs/AMDGPU.def"
658     break;
659   case ELF::EM_BPF:
660 #include "llvm/BinaryFormat/ELFRelocs/BPF.def"
661     break;
662   case ELF::EM_PPC64:
663 #include "llvm/BinaryFormat/ELFRelocs/PowerPC64.def"
664     break;
665   default:
666     // Nothing to do.
667     break;
668   }
669 #undef ELF_RELOC
670   IO.enumFallback<Hex32>(Value);
671 }
672 
673 void ScalarEnumerationTraits<ELFYAML::ELF_DYNTAG>::enumeration(
674     IO &IO, ELFYAML::ELF_DYNTAG &Value) {
675   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
676   assert(Object && "The IO context is not initialized");
677 
678 // Disable architecture specific tags by default. We might enable them below.
679 #define AARCH64_DYNAMIC_TAG(name, value)
680 #define MIPS_DYNAMIC_TAG(name, value)
681 #define HEXAGON_DYNAMIC_TAG(name, value)
682 #define PPC_DYNAMIC_TAG(name, value)
683 #define PPC64_DYNAMIC_TAG(name, value)
684 // Ignore marker tags such as DT_HIOS (maps to DT_VERNEEDNUM), etc.
685 #define DYNAMIC_TAG_MARKER(name, value)
686 
687 #define STRINGIFY(X) (#X)
688 #define DYNAMIC_TAG(X, Y) IO.enumCase(Value, STRINGIFY(DT_##X), ELF::DT_##X);
689   switch (Object->Header.Machine) {
690   case ELF::EM_AARCH64:
691 #undef AARCH64_DYNAMIC_TAG
692 #define AARCH64_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value)
693 #include "llvm/BinaryFormat/DynamicTags.def"
694 #undef AARCH64_DYNAMIC_TAG
695 #define AARCH64_DYNAMIC_TAG(name, value)
696     break;
697   case ELF::EM_MIPS:
698 #undef MIPS_DYNAMIC_TAG
699 #define MIPS_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value)
700 #include "llvm/BinaryFormat/DynamicTags.def"
701 #undef MIPS_DYNAMIC_TAG
702 #define MIPS_DYNAMIC_TAG(name, value)
703     break;
704   case ELF::EM_HEXAGON:
705 #undef HEXAGON_DYNAMIC_TAG
706 #define HEXAGON_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value)
707 #include "llvm/BinaryFormat/DynamicTags.def"
708 #undef HEXAGON_DYNAMIC_TAG
709 #define HEXAGON_DYNAMIC_TAG(name, value)
710     break;
711   case ELF::EM_PPC:
712 #undef PPC_DYNAMIC_TAG
713 #define PPC_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value)
714 #include "llvm/BinaryFormat/DynamicTags.def"
715 #undef PPC_DYNAMIC_TAG
716 #define PPC_DYNAMIC_TAG(name, value)
717     break;
718   case ELF::EM_PPC64:
719 #undef PPC64_DYNAMIC_TAG
720 #define PPC64_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value)
721 #include "llvm/BinaryFormat/DynamicTags.def"
722 #undef PPC64_DYNAMIC_TAG
723 #define PPC64_DYNAMIC_TAG(name, value)
724     break;
725   default:
726 #include "llvm/BinaryFormat/DynamicTags.def"
727     break;
728   }
729 #undef AARCH64_DYNAMIC_TAG
730 #undef MIPS_DYNAMIC_TAG
731 #undef HEXAGON_DYNAMIC_TAG
732 #undef PPC_DYNAMIC_TAG
733 #undef PPC64_DYNAMIC_TAG
734 #undef DYNAMIC_TAG_MARKER
735 #undef STRINGIFY
736 #undef DYNAMIC_TAG
737 
738   IO.enumFallback<Hex64>(Value);
739 }
740 
741 void ScalarEnumerationTraits<ELFYAML::MIPS_AFL_REG>::enumeration(
742     IO &IO, ELFYAML::MIPS_AFL_REG &Value) {
743 #define ECase(X) IO.enumCase(Value, #X, Mips::AFL_##X)
744   ECase(REG_NONE);
745   ECase(REG_32);
746   ECase(REG_64);
747   ECase(REG_128);
748 #undef ECase
749 }
750 
751 void ScalarEnumerationTraits<ELFYAML::MIPS_ABI_FP>::enumeration(
752     IO &IO, ELFYAML::MIPS_ABI_FP &Value) {
753 #define ECase(X) IO.enumCase(Value, #X, Mips::Val_GNU_MIPS_ABI_##X)
754   ECase(FP_ANY);
755   ECase(FP_DOUBLE);
756   ECase(FP_SINGLE);
757   ECase(FP_SOFT);
758   ECase(FP_OLD_64);
759   ECase(FP_XX);
760   ECase(FP_64);
761   ECase(FP_64A);
762 #undef ECase
763 }
764 
765 void ScalarEnumerationTraits<ELFYAML::MIPS_AFL_EXT>::enumeration(
766     IO &IO, ELFYAML::MIPS_AFL_EXT &Value) {
767 #define ECase(X) IO.enumCase(Value, #X, Mips::AFL_##X)
768   ECase(EXT_NONE);
769   ECase(EXT_XLR);
770   ECase(EXT_OCTEON2);
771   ECase(EXT_OCTEONP);
772   ECase(EXT_LOONGSON_3A);
773   ECase(EXT_OCTEON);
774   ECase(EXT_5900);
775   ECase(EXT_4650);
776   ECase(EXT_4010);
777   ECase(EXT_4100);
778   ECase(EXT_3900);
779   ECase(EXT_10000);
780   ECase(EXT_SB1);
781   ECase(EXT_4111);
782   ECase(EXT_4120);
783   ECase(EXT_5400);
784   ECase(EXT_5500);
785   ECase(EXT_LOONGSON_2E);
786   ECase(EXT_LOONGSON_2F);
787   ECase(EXT_OCTEON3);
788 #undef ECase
789 }
790 
791 void ScalarEnumerationTraits<ELFYAML::MIPS_ISA>::enumeration(
792     IO &IO, ELFYAML::MIPS_ISA &Value) {
793   IO.enumCase(Value, "MIPS1", 1);
794   IO.enumCase(Value, "MIPS2", 2);
795   IO.enumCase(Value, "MIPS3", 3);
796   IO.enumCase(Value, "MIPS4", 4);
797   IO.enumCase(Value, "MIPS5", 5);
798   IO.enumCase(Value, "MIPS32", 32);
799   IO.enumCase(Value, "MIPS64", 64);
800 }
801 
802 void ScalarBitSetTraits<ELFYAML::MIPS_AFL_ASE>::bitset(
803     IO &IO, ELFYAML::MIPS_AFL_ASE &Value) {
804 #define BCase(X) IO.bitSetCase(Value, #X, Mips::AFL_ASE_##X)
805   BCase(DSP);
806   BCase(DSPR2);
807   BCase(EVA);
808   BCase(MCU);
809   BCase(MDMX);
810   BCase(MIPS3D);
811   BCase(MT);
812   BCase(SMARTMIPS);
813   BCase(VIRT);
814   BCase(MSA);
815   BCase(MIPS16);
816   BCase(MICROMIPS);
817   BCase(XPA);
818 #undef BCase
819 }
820 
821 void ScalarBitSetTraits<ELFYAML::MIPS_AFL_FLAGS1>::bitset(
822     IO &IO, ELFYAML::MIPS_AFL_FLAGS1 &Value) {
823 #define BCase(X) IO.bitSetCase(Value, #X, Mips::AFL_FLAGS1_##X)
824   BCase(ODDSPREG);
825 #undef BCase
826 }
827 
828 void MappingTraits<ELFYAML::FileHeader>::mapping(IO &IO,
829                                                  ELFYAML::FileHeader &FileHdr) {
830   IO.mapRequired("Class", FileHdr.Class);
831   IO.mapRequired("Data", FileHdr.Data);
832   IO.mapOptional("OSABI", FileHdr.OSABI, ELFYAML::ELF_ELFOSABI(0));
833   IO.mapOptional("ABIVersion", FileHdr.ABIVersion, Hex8(0));
834   IO.mapRequired("Type", FileHdr.Type);
835   IO.mapRequired("Machine", FileHdr.Machine);
836   IO.mapOptional("Flags", FileHdr.Flags, ELFYAML::ELF_EF(0));
837   IO.mapOptional("Entry", FileHdr.Entry, Hex64(0));
838 
839   IO.mapOptional("SHEntSize", FileHdr.SHEntSize);
840   IO.mapOptional("SHOff", FileHdr.SHOff);
841   IO.mapOptional("SHNum", FileHdr.SHNum);
842   IO.mapOptional("SHStrNdx", FileHdr.SHStrNdx);
843 }
844 
845 void MappingTraits<ELFYAML::ProgramHeader>::mapping(
846     IO &IO, ELFYAML::ProgramHeader &Phdr) {
847   IO.mapRequired("Type", Phdr.Type);
848   IO.mapOptional("Flags", Phdr.Flags, ELFYAML::ELF_PF(0));
849   IO.mapOptional("Sections", Phdr.Sections);
850   IO.mapOptional("VAddr", Phdr.VAddr, Hex64(0));
851   IO.mapOptional("PAddr", Phdr.PAddr, Phdr.VAddr);
852   IO.mapOptional("Align", Phdr.Align);
853   IO.mapOptional("FileSize", Phdr.FileSize);
854   IO.mapOptional("MemSize", Phdr.MemSize);
855   IO.mapOptional("Offset", Phdr.Offset);
856 }
857 
858 LLVM_YAML_STRONG_TYPEDEF(StringRef, StOtherPiece)
859 
860 template <> struct ScalarTraits<StOtherPiece> {
861   static void output(const StOtherPiece &Val, void *, raw_ostream &Out) {
862     Out << Val;
863   }
864   static StringRef input(StringRef Scalar, void *, StOtherPiece &Val) {
865     Val = Scalar;
866     return {};
867   }
868   static QuotingType mustQuote(StringRef) { return QuotingType::None; }
869 };
870 template <> struct SequenceElementTraits<StOtherPiece> {
871   static const bool flow = true;
872 };
873 
874 template <> struct ScalarTraits<ELFYAML::YAMLFlowString> {
875   static void output(const ELFYAML::YAMLFlowString &Val, void *,
876                      raw_ostream &Out) {
877     Out << Val;
878   }
879   static StringRef input(StringRef Scalar, void *,
880                          ELFYAML::YAMLFlowString &Val) {
881     Val = Scalar;
882     return {};
883   }
884   static QuotingType mustQuote(StringRef S) {
885     return ScalarTraits<StringRef>::mustQuote(S);
886   }
887 };
888 template <> struct SequenceElementTraits<ELFYAML::YAMLFlowString> {
889   static const bool flow = true;
890 };
891 
892 namespace {
893 
894 struct NormalizedOther {
895   NormalizedOther(IO &IO) : YamlIO(IO) {}
896   NormalizedOther(IO &IO, Optional<uint8_t> Original) : YamlIO(IO) {
897     assert(Original && "This constructor is only used for outputting YAML and "
898                        "assumes a non-empty Original");
899     std::vector<StOtherPiece> Ret;
900     const auto *Object = static_cast<ELFYAML::Object *>(YamlIO.getContext());
901     for (std::pair<StringRef, uint8_t> &P :
902          getFlags(Object->Header.Machine).takeVector()) {
903       uint8_t FlagValue = P.second;
904       if ((*Original & FlagValue) != FlagValue)
905         continue;
906       *Original &= ~FlagValue;
907       Ret.push_back({P.first});
908     }
909 
910     if (*Original != 0) {
911       UnknownFlagsHolder = std::to_string(*Original);
912       Ret.push_back({UnknownFlagsHolder});
913     }
914 
915     if (!Ret.empty())
916       Other = std::move(Ret);
917   }
918 
919   uint8_t toValue(StringRef Name) {
920     const auto *Object = static_cast<ELFYAML::Object *>(YamlIO.getContext());
921     MapVector<StringRef, uint8_t> Flags = getFlags(Object->Header.Machine);
922 
923     auto It = Flags.find(Name);
924     if (It != Flags.end())
925       return It->second;
926 
927     uint8_t Val;
928     if (to_integer(Name, Val))
929       return Val;
930 
931     YamlIO.setError("an unknown value is used for symbol's 'Other' field: " +
932                     Name);
933     return 0;
934   }
935 
936   Optional<uint8_t> denormalize(IO &) {
937     if (!Other)
938       return None;
939     uint8_t Ret = 0;
940     for (StOtherPiece &Val : *Other)
941       Ret |= toValue(Val);
942     return Ret;
943   }
944 
945   // st_other field is used to encode symbol visibility and platform-dependent
946   // flags and values. This method returns a name to value map that is used for
947   // parsing and encoding this field.
948   MapVector<StringRef, uint8_t> getFlags(unsigned EMachine) {
949     MapVector<StringRef, uint8_t> Map;
950     // STV_* values are just enumeration values. We add them in a reversed order
951     // because when we convert the st_other to named constants when printing
952     // YAML we want to use a maximum number of bits on each step:
953     // when we have st_other == 3, we want to print it as STV_PROTECTED (3), but
954     // not as STV_HIDDEN (2) + STV_INTERNAL (1).
955     Map["STV_PROTECTED"] = ELF::STV_PROTECTED;
956     Map["STV_HIDDEN"] = ELF::STV_HIDDEN;
957     Map["STV_INTERNAL"] = ELF::STV_INTERNAL;
958     // STV_DEFAULT is used to represent the default visibility and has a value
959     // 0. We want to be able to read it from YAML documents, but there is no
960     // reason to print it.
961     if (!YamlIO.outputting())
962       Map["STV_DEFAULT"] = ELF::STV_DEFAULT;
963 
964     // MIPS is not consistent. All of the STO_MIPS_* values are bit flags,
965     // except STO_MIPS_MIPS16 which overlaps them. It should be checked and
966     // consumed first when we print the output, because we do not want to print
967     // any other flags that have the same bits instead.
968     if (EMachine == ELF::EM_MIPS) {
969       Map["STO_MIPS_MIPS16"] = ELF::STO_MIPS_MIPS16;
970       Map["STO_MIPS_MICROMIPS"] = ELF::STO_MIPS_MICROMIPS;
971       Map["STO_MIPS_PIC"] = ELF::STO_MIPS_PIC;
972       Map["STO_MIPS_PLT"] = ELF::STO_MIPS_PLT;
973       Map["STO_MIPS_OPTIONAL"] = ELF::STO_MIPS_OPTIONAL;
974     }
975     return Map;
976   }
977 
978   IO &YamlIO;
979   Optional<std::vector<StOtherPiece>> Other;
980   std::string UnknownFlagsHolder;
981 };
982 
983 } // end anonymous namespace
984 
985 void ScalarTraits<ELFYAML::YAMLIntUInt>::output(const ELFYAML::YAMLIntUInt &Val,
986                                                 void *Ctx, raw_ostream &Out) {
987   Out << Val;
988 }
989 
990 StringRef ScalarTraits<ELFYAML::YAMLIntUInt>::input(StringRef Scalar, void *Ctx,
991                                                     ELFYAML::YAMLIntUInt &Val) {
992   const bool Is64 = static_cast<ELFYAML::Object *>(Ctx)->Header.Class ==
993                     ELFYAML::ELF_ELFCLASS(ELF::ELFCLASS64);
994   StringRef ErrMsg = "invalid number";
995   // We do not accept negative hex numbers because their meaning is ambiguous.
996   // For example, would -0xfffffffff mean 1 or INT32_MIN?
997   if (Scalar.empty() || Scalar.startswith("-0x"))
998     return ErrMsg;
999 
1000   if (Scalar.startswith("-")) {
1001     const int64_t MinVal = Is64 ? INT64_MIN : INT32_MIN;
1002     long long Int;
1003     if (getAsSignedInteger(Scalar, /*Radix=*/0, Int) || (Int < MinVal))
1004       return ErrMsg;
1005     Val = Int;
1006     return "";
1007   }
1008 
1009   const uint64_t MaxVal = Is64 ? UINT64_MAX : UINT32_MAX;
1010   unsigned long long UInt;
1011   if (getAsUnsignedInteger(Scalar, /*Radix=*/0, UInt) || (UInt > MaxVal))
1012     return ErrMsg;
1013   Val = UInt;
1014   return "";
1015 }
1016 
1017 void MappingTraits<ELFYAML::Symbol>::mapping(IO &IO, ELFYAML::Symbol &Symbol) {
1018   IO.mapOptional("Name", Symbol.Name, StringRef());
1019   IO.mapOptional("StName", Symbol.StName);
1020   IO.mapOptional("Type", Symbol.Type, ELFYAML::ELF_STT(0));
1021   IO.mapOptional("Section", Symbol.Section, StringRef());
1022   IO.mapOptional("Index", Symbol.Index);
1023   IO.mapOptional("Binding", Symbol.Binding, ELFYAML::ELF_STB(0));
1024   IO.mapOptional("Value", Symbol.Value, Hex64(0));
1025   IO.mapOptional("Size", Symbol.Size, Hex64(0));
1026 
1027   // Symbol's Other field is a bit special. It is usually a field that
1028   // represents st_other and holds the symbol visibility. However, on some
1029   // platforms, it can contain bit fields and regular values, or even sometimes a
1030   // crazy mix of them (see comments for NormalizedOther). Because of this, we
1031   // need special handling.
1032   MappingNormalization<NormalizedOther, Optional<uint8_t>> Keys(IO,
1033                                                                 Symbol.Other);
1034   IO.mapOptional("Other", Keys->Other);
1035 }
1036 
1037 StringRef MappingTraits<ELFYAML::Symbol>::validate(IO &IO,
1038                                                    ELFYAML::Symbol &Symbol) {
1039   if (Symbol.Index && Symbol.Section.data())
1040     return "Index and Section cannot both be specified for Symbol";
1041   return StringRef();
1042 }
1043 
1044 static void commonSectionMapping(IO &IO, ELFYAML::Section &Section) {
1045   IO.mapOptional("Name", Section.Name, StringRef());
1046   IO.mapRequired("Type", Section.Type);
1047   IO.mapOptional("Flags", Section.Flags);
1048   IO.mapOptional("Address", Section.Address);
1049   IO.mapOptional("Link", Section.Link, StringRef());
1050   IO.mapOptional("AddressAlign", Section.AddressAlign, Hex64(0));
1051   IO.mapOptional("EntSize", Section.EntSize);
1052 
1053   // obj2yaml does not dump these fields. They are expected to be empty when we
1054   // are producing YAML, because yaml2obj sets appropriate values for them
1055   // automatically when they are not explicitly defined.
1056   assert(!IO.outputting() ||
1057          (!Section.ShOffset.hasValue() && !Section.ShSize.hasValue() &&
1058           !Section.ShName.hasValue() && !Section.ShFlags.hasValue()));
1059   IO.mapOptional("ShName", Section.ShName);
1060   IO.mapOptional("ShOffset", Section.ShOffset);
1061   IO.mapOptional("ShSize", Section.ShSize);
1062   IO.mapOptional("ShFlags", Section.ShFlags);
1063 }
1064 
1065 static void sectionMapping(IO &IO, ELFYAML::DynamicSection &Section) {
1066   commonSectionMapping(IO, Section);
1067   IO.mapOptional("Entries", Section.Entries);
1068   IO.mapOptional("Content", Section.Content);
1069 }
1070 
1071 static void sectionMapping(IO &IO, ELFYAML::RawContentSection &Section) {
1072   commonSectionMapping(IO, Section);
1073   IO.mapOptional("Content", Section.Content);
1074   IO.mapOptional("Size", Section.Size);
1075   IO.mapOptional("Info", Section.Info);
1076 }
1077 
1078 static void sectionMapping(IO &IO, ELFYAML::StackSizesSection &Section) {
1079   commonSectionMapping(IO, Section);
1080   IO.mapOptional("Content", Section.Content);
1081   IO.mapOptional("Size", Section.Size);
1082   IO.mapOptional("Entries", Section.Entries);
1083 }
1084 
1085 static void sectionMapping(IO &IO, ELFYAML::HashSection &Section) {
1086   commonSectionMapping(IO, Section);
1087   IO.mapOptional("Content", Section.Content);
1088   IO.mapOptional("Bucket", Section.Bucket);
1089   IO.mapOptional("Chain", Section.Chain);
1090   IO.mapOptional("Size", Section.Size);
1091 }
1092 
1093 static void sectionMapping(IO &IO, ELFYAML::NoteSection &Section) {
1094   commonSectionMapping(IO, Section);
1095   IO.mapOptional("Content", Section.Content);
1096   IO.mapOptional("Size", Section.Size);
1097   IO.mapOptional("Notes", Section.Notes);
1098 }
1099 
1100 
1101 static void sectionMapping(IO &IO, ELFYAML::GnuHashSection &Section) {
1102   commonSectionMapping(IO, Section);
1103   IO.mapOptional("Content", Section.Content);
1104   IO.mapOptional("Header", Section.Header);
1105   IO.mapOptional("BloomFilter", Section.BloomFilter);
1106   IO.mapOptional("HashBuckets", Section.HashBuckets);
1107   IO.mapOptional("HashValues", Section.HashValues);
1108 }
1109 static void sectionMapping(IO &IO, ELFYAML::NoBitsSection &Section) {
1110   commonSectionMapping(IO, Section);
1111   IO.mapOptional("Size", Section.Size, Hex64(0));
1112 }
1113 
1114 static void sectionMapping(IO &IO, ELFYAML::VerdefSection &Section) {
1115   commonSectionMapping(IO, Section);
1116   IO.mapRequired("Info", Section.Info);
1117   IO.mapOptional("Entries", Section.Entries);
1118   IO.mapOptional("Content", Section.Content);
1119 }
1120 
1121 static void sectionMapping(IO &IO, ELFYAML::SymverSection &Section) {
1122   commonSectionMapping(IO, Section);
1123   IO.mapRequired("Entries", Section.Entries);
1124 }
1125 
1126 static void sectionMapping(IO &IO, ELFYAML::VerneedSection &Section) {
1127   commonSectionMapping(IO, Section);
1128   IO.mapRequired("Info", Section.Info);
1129   IO.mapOptional("Dependencies", Section.VerneedV);
1130   IO.mapOptional("Content", Section.Content);
1131 }
1132 
1133 static void sectionMapping(IO &IO, ELFYAML::RelocationSection &Section) {
1134   commonSectionMapping(IO, Section);
1135   IO.mapOptional("Info", Section.RelocatableSec, StringRef());
1136   IO.mapOptional("Relocations", Section.Relocations);
1137 }
1138 
1139 static void sectionMapping(IO &IO, ELFYAML::RelrSection &Section) {
1140   commonSectionMapping(IO, Section);
1141   IO.mapOptional("Entries", Section.Entries);
1142   IO.mapOptional("Content", Section.Content);
1143 }
1144 
1145 static void groupSectionMapping(IO &IO, ELFYAML::Group &Group) {
1146   commonSectionMapping(IO, Group);
1147   IO.mapOptional("Info", Group.Signature);
1148   IO.mapRequired("Members", Group.Members);
1149 }
1150 
1151 static void sectionMapping(IO &IO, ELFYAML::SymtabShndxSection &Section) {
1152   commonSectionMapping(IO, Section);
1153   IO.mapRequired("Entries", Section.Entries);
1154 }
1155 
1156 static void sectionMapping(IO &IO, ELFYAML::AddrsigSection &Section) {
1157   commonSectionMapping(IO, Section);
1158   IO.mapOptional("Content", Section.Content);
1159   IO.mapOptional("Size", Section.Size);
1160   IO.mapOptional("Symbols", Section.Symbols);
1161 }
1162 
1163 static void fillMapping(IO &IO, ELFYAML::Fill &Fill) {
1164   IO.mapOptional("Name", Fill.Name, StringRef());
1165   IO.mapOptional("Pattern", Fill.Pattern);
1166   IO.mapRequired("Size", Fill.Size);
1167 }
1168 
1169 static void sectionMapping(IO &IO, ELFYAML::LinkerOptionsSection &Section) {
1170   commonSectionMapping(IO, Section);
1171   IO.mapOptional("Options", Section.Options);
1172   IO.mapOptional("Content", Section.Content);
1173 }
1174 
1175 static void sectionMapping(IO &IO,
1176                            ELFYAML::DependentLibrariesSection &Section) {
1177   commonSectionMapping(IO, Section);
1178   IO.mapOptional("Libraries", Section.Libs);
1179   IO.mapOptional("Content", Section.Content);
1180 }
1181 
1182 static void sectionMapping(IO &IO, ELFYAML::CallGraphProfileSection &Section) {
1183   commonSectionMapping(IO, Section);
1184   IO.mapOptional("Entries", Section.Entries);
1185   IO.mapOptional("Content", Section.Content);
1186 }
1187 
1188 void MappingTraits<ELFYAML::SectionOrType>::mapping(
1189     IO &IO, ELFYAML::SectionOrType &sectionOrType) {
1190   IO.mapRequired("SectionOrType", sectionOrType.sectionNameOrType);
1191 }
1192 
1193 void MappingTraits<ELFYAML::SectionName>::mapping(
1194     IO &IO, ELFYAML::SectionName &sectionName) {
1195   IO.mapRequired("Section", sectionName.Section);
1196 }
1197 
1198 static void sectionMapping(IO &IO, ELFYAML::MipsABIFlags &Section) {
1199   commonSectionMapping(IO, Section);
1200   IO.mapOptional("Version", Section.Version, Hex16(0));
1201   IO.mapRequired("ISA", Section.ISALevel);
1202   IO.mapOptional("ISARevision", Section.ISARevision, Hex8(0));
1203   IO.mapOptional("ISAExtension", Section.ISAExtension,
1204                  ELFYAML::MIPS_AFL_EXT(Mips::AFL_EXT_NONE));
1205   IO.mapOptional("ASEs", Section.ASEs, ELFYAML::MIPS_AFL_ASE(0));
1206   IO.mapOptional("FpABI", Section.FpABI,
1207                  ELFYAML::MIPS_ABI_FP(Mips::Val_GNU_MIPS_ABI_FP_ANY));
1208   IO.mapOptional("GPRSize", Section.GPRSize,
1209                  ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE));
1210   IO.mapOptional("CPR1Size", Section.CPR1Size,
1211                  ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE));
1212   IO.mapOptional("CPR2Size", Section.CPR2Size,
1213                  ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE));
1214   IO.mapOptional("Flags1", Section.Flags1, ELFYAML::MIPS_AFL_FLAGS1(0));
1215   IO.mapOptional("Flags2", Section.Flags2, Hex32(0));
1216 }
1217 
1218 void MappingTraits<std::unique_ptr<ELFYAML::Chunk>>::mapping(
1219     IO &IO, std::unique_ptr<ELFYAML::Chunk> &Section) {
1220   ELFYAML::ELF_SHT Type;
1221   if (IO.outputting()) {
1222     Type = cast<ELFYAML::Section>(Section.get())->Type;
1223   } else {
1224     // When the Type string does not have a "SHT_" prefix, we know it is not a
1225     // description of a regular ELF output section. Currently, we have one
1226     // special type named "Fill". See comments for Fill.
1227     StringRef StrType;
1228     IO.mapRequired("Type", StrType);
1229     if (StrType == "Fill") {
1230       Section.reset(new ELFYAML::Fill());
1231       fillMapping(IO, *cast<ELFYAML::Fill>(Section.get()));
1232       return;
1233     }
1234 
1235     IO.mapRequired("Type", Type);
1236   }
1237 
1238   switch (Type) {
1239   case ELF::SHT_DYNAMIC:
1240     if (!IO.outputting())
1241       Section.reset(new ELFYAML::DynamicSection());
1242     sectionMapping(IO, *cast<ELFYAML::DynamicSection>(Section.get()));
1243     break;
1244   case ELF::SHT_REL:
1245   case ELF::SHT_RELA:
1246     if (!IO.outputting())
1247       Section.reset(new ELFYAML::RelocationSection());
1248     sectionMapping(IO, *cast<ELFYAML::RelocationSection>(Section.get()));
1249     break;
1250   case ELF::SHT_RELR:
1251     if (!IO.outputting())
1252       Section.reset(new ELFYAML::RelrSection());
1253     sectionMapping(IO, *cast<ELFYAML::RelrSection>(Section.get()));
1254     break;
1255   case ELF::SHT_GROUP:
1256     if (!IO.outputting())
1257       Section.reset(new ELFYAML::Group());
1258     groupSectionMapping(IO, *cast<ELFYAML::Group>(Section.get()));
1259     break;
1260   case ELF::SHT_NOBITS:
1261     if (!IO.outputting())
1262       Section.reset(new ELFYAML::NoBitsSection());
1263     sectionMapping(IO, *cast<ELFYAML::NoBitsSection>(Section.get()));
1264     break;
1265   case ELF::SHT_HASH:
1266     if (!IO.outputting())
1267       Section.reset(new ELFYAML::HashSection());
1268     sectionMapping(IO, *cast<ELFYAML::HashSection>(Section.get()));
1269     break;
1270   case ELF::SHT_NOTE:
1271     if (!IO.outputting())
1272       Section.reset(new ELFYAML::NoteSection());
1273     sectionMapping(IO, *cast<ELFYAML::NoteSection>(Section.get()));
1274     break;
1275  case ELF::SHT_GNU_HASH:
1276     if (!IO.outputting())
1277       Section.reset(new ELFYAML::GnuHashSection());
1278     sectionMapping(IO, *cast<ELFYAML::GnuHashSection>(Section.get()));
1279     break;
1280   case ELF::SHT_MIPS_ABIFLAGS:
1281     if (!IO.outputting())
1282       Section.reset(new ELFYAML::MipsABIFlags());
1283     sectionMapping(IO, *cast<ELFYAML::MipsABIFlags>(Section.get()));
1284     break;
1285   case ELF::SHT_GNU_verdef:
1286     if (!IO.outputting())
1287       Section.reset(new ELFYAML::VerdefSection());
1288     sectionMapping(IO, *cast<ELFYAML::VerdefSection>(Section.get()));
1289     break;
1290   case ELF::SHT_GNU_versym:
1291     if (!IO.outputting())
1292       Section.reset(new ELFYAML::SymverSection());
1293     sectionMapping(IO, *cast<ELFYAML::SymverSection>(Section.get()));
1294     break;
1295   case ELF::SHT_GNU_verneed:
1296     if (!IO.outputting())
1297       Section.reset(new ELFYAML::VerneedSection());
1298     sectionMapping(IO, *cast<ELFYAML::VerneedSection>(Section.get()));
1299     break;
1300   case ELF::SHT_SYMTAB_SHNDX:
1301     if (!IO.outputting())
1302       Section.reset(new ELFYAML::SymtabShndxSection());
1303     sectionMapping(IO, *cast<ELFYAML::SymtabShndxSection>(Section.get()));
1304     break;
1305   case ELF::SHT_LLVM_ADDRSIG:
1306     if (!IO.outputting())
1307       Section.reset(new ELFYAML::AddrsigSection());
1308     sectionMapping(IO, *cast<ELFYAML::AddrsigSection>(Section.get()));
1309     break;
1310   case ELF::SHT_LLVM_LINKER_OPTIONS:
1311     if (!IO.outputting())
1312       Section.reset(new ELFYAML::LinkerOptionsSection());
1313     sectionMapping(IO, *cast<ELFYAML::LinkerOptionsSection>(Section.get()));
1314     break;
1315   case ELF::SHT_LLVM_DEPENDENT_LIBRARIES:
1316     if (!IO.outputting())
1317       Section.reset(new ELFYAML::DependentLibrariesSection());
1318     sectionMapping(IO,
1319                    *cast<ELFYAML::DependentLibrariesSection>(Section.get()));
1320     break;
1321   case ELF::SHT_LLVM_CALL_GRAPH_PROFILE:
1322     if (!IO.outputting())
1323       Section.reset(new ELFYAML::CallGraphProfileSection());
1324     sectionMapping(IO, *cast<ELFYAML::CallGraphProfileSection>(Section.get()));
1325     break;
1326   default:
1327     if (!IO.outputting()) {
1328       StringRef Name;
1329       IO.mapOptional("Name", Name, StringRef());
1330       Name = ELFYAML::dropUniqueSuffix(Name);
1331 
1332       if (ELFYAML::StackSizesSection::nameMatches(Name))
1333         Section = std::make_unique<ELFYAML::StackSizesSection>();
1334       else
1335         Section = std::make_unique<ELFYAML::RawContentSection>();
1336     }
1337 
1338     if (auto S = dyn_cast<ELFYAML::RawContentSection>(Section.get()))
1339       sectionMapping(IO, *S);
1340     else
1341       sectionMapping(IO, *cast<ELFYAML::StackSizesSection>(Section.get()));
1342   }
1343 }
1344 
1345 StringRef MappingTraits<std::unique_ptr<ELFYAML::Chunk>>::validate(
1346     IO &io, std::unique_ptr<ELFYAML::Chunk> &C) {
1347   if (const auto *RawSection = dyn_cast<ELFYAML::RawContentSection>(C.get())) {
1348     if (RawSection->Size && RawSection->Content &&
1349         (uint64_t)(*RawSection->Size) < RawSection->Content->binary_size())
1350       return "Section size must be greater than or equal to the content size";
1351     if (RawSection->Flags && RawSection->ShFlags)
1352       return "ShFlags and Flags cannot be used together";
1353     return {};
1354   }
1355 
1356   if (const auto *SS = dyn_cast<ELFYAML::StackSizesSection>(C.get())) {
1357     if (!SS->Entries && !SS->Content && !SS->Size)
1358       return ".stack_sizes: one of Content, Entries and Size must be specified";
1359 
1360     if (SS->Size && SS->Content &&
1361         (uint64_t)(*SS->Size) < SS->Content->binary_size())
1362       return ".stack_sizes: Size must be greater than or equal to the content "
1363              "size";
1364 
1365     // We accept Content, Size or both together when there are no Entries.
1366     if (!SS->Entries)
1367       return {};
1368 
1369     if (SS->Size)
1370       return ".stack_sizes: Size and Entries cannot be used together";
1371     if (SS->Content)
1372       return ".stack_sizes: Content and Entries cannot be used together";
1373     return {};
1374   }
1375 
1376   if (const auto *HS = dyn_cast<ELFYAML::HashSection>(C.get())) {
1377     if (!HS->Content && !HS->Bucket && !HS->Chain && !HS->Size)
1378       return "one of \"Content\", \"Size\", \"Bucket\" or \"Chain\" must be "
1379              "specified";
1380 
1381     if (HS->Content || HS->Size) {
1382       if (HS->Size && HS->Content &&
1383           (uint64_t)*HS->Size < HS->Content->binary_size())
1384         return "\"Size\" must be greater than or equal to the content "
1385                "size";
1386 
1387       if (HS->Bucket)
1388         return "\"Bucket\" cannot be used with \"Content\" or \"Size\"";
1389       if (HS->Chain)
1390         return "\"Chain\" cannot be used with \"Content\" or \"Size\"";
1391       return {};
1392     }
1393 
1394     if ((HS->Bucket && !HS->Chain) || (!HS->Bucket && HS->Chain))
1395       return "\"Bucket\" and \"Chain\" must be used together";
1396     return {};
1397   }
1398 
1399   if (const auto *Sec = dyn_cast<ELFYAML::AddrsigSection>(C.get())) {
1400     if (!Sec->Symbols && !Sec->Content && !Sec->Size)
1401       return "one of \"Content\", \"Size\" or \"Symbols\" must be specified";
1402 
1403     if (Sec->Content || Sec->Size) {
1404       if (Sec->Size && Sec->Content &&
1405           (uint64_t)*Sec->Size < Sec->Content->binary_size())
1406         return "\"Size\" must be greater than or equal to the content "
1407                "size";
1408 
1409       if (Sec->Symbols)
1410         return "\"Symbols\" cannot be used with \"Content\" or \"Size\"";
1411       return {};
1412     }
1413 
1414     if (!Sec->Symbols)
1415       return {};
1416     return {};
1417   }
1418 
1419   if (const auto *NS = dyn_cast<ELFYAML::NoteSection>(C.get())) {
1420     if (!NS->Content && !NS->Size && !NS->Notes)
1421       return "one of \"Content\", \"Size\" or \"Notes\" must be "
1422              "specified";
1423 
1424     if (!NS->Content && !NS->Size)
1425       return {};
1426 
1427     if (NS->Size && NS->Content &&
1428         (uint64_t)*NS->Size < NS->Content->binary_size())
1429       return "\"Size\" must be greater than or equal to the content "
1430              "size";
1431 
1432     if (NS->Notes)
1433       return "\"Notes\" cannot be used with \"Content\" or \"Size\"";
1434     return {};
1435   }
1436 
1437   if (const auto *Sec = dyn_cast<ELFYAML::GnuHashSection>(C.get())) {
1438     if (!Sec->Content && !Sec->Header && !Sec->BloomFilter &&
1439         !Sec->HashBuckets && !Sec->HashValues)
1440       return "either \"Content\" or \"Header\", \"BloomFilter\", "
1441              "\"HashBuckets\" and \"HashBuckets\" must be specified";
1442 
1443     if (Sec->Header || Sec->BloomFilter || Sec->HashBuckets ||
1444         Sec->HashValues) {
1445       if (!Sec->Header || !Sec->BloomFilter || !Sec->HashBuckets ||
1446           !Sec->HashValues)
1447         return "\"Header\", \"BloomFilter\", "
1448                "\"HashBuckets\" and \"HashValues\" must be used together";
1449       if (Sec->Content)
1450         return "\"Header\", \"BloomFilter\", "
1451                "\"HashBuckets\" and \"HashValues\" can't be used together with "
1452                "\"Content\"";
1453       return {};
1454     }
1455 
1456     // Only Content is specified.
1457     return {};
1458   }
1459 
1460   if (const auto *Sec = dyn_cast<ELFYAML::LinkerOptionsSection>(C.get())) {
1461     if (Sec->Options && Sec->Content)
1462       return "\"Options\" and \"Content\" can't be used together";
1463     return {};
1464   }
1465 
1466   if (const auto *Sec = dyn_cast<ELFYAML::DependentLibrariesSection>(C.get())) {
1467     if (Sec->Libs && Sec->Content)
1468       return "SHT_LLVM_DEPENDENT_LIBRARIES: \"Libraries\" and \"Content\" "
1469              "can't "
1470              "be used together";
1471     return {};
1472   }
1473 
1474   if (const auto *F = dyn_cast<ELFYAML::Fill>(C.get())) {
1475     if (!F->Pattern)
1476       return {};
1477     if (F->Pattern->binary_size() != 0 && !F->Size)
1478       return "\"Size\" can't be 0 when \"Pattern\" is not empty";
1479     return {};
1480   }
1481 
1482   if (const auto *VD = dyn_cast<ELFYAML::VerdefSection>(C.get())) {
1483     if (VD->Entries && VD->Content)
1484       return "SHT_GNU_verdef: \"Entries\" and \"Content\" can't be used "
1485              "together";
1486     return {};
1487   }
1488 
1489   if (const auto *VD = dyn_cast<ELFYAML::VerneedSection>(C.get())) {
1490     if (VD->VerneedV && VD->Content)
1491       return "SHT_GNU_verneed: \"Dependencies\" and \"Content\" can't be used "
1492              "together";
1493     return {};
1494   }
1495 
1496   if (const auto *RS = dyn_cast<ELFYAML::RelrSection>(C.get())) {
1497     if (RS->Entries && RS->Content)
1498       return "\"Entries\" and \"Content\" can't be used together";
1499     return {};
1500   }
1501 
1502   if (const auto *CGP = dyn_cast<ELFYAML::CallGraphProfileSection>(C.get())) {
1503     if (CGP->Entries && CGP->Content)
1504       return "\"Entries\" and \"Content\" can't be used together";
1505     return {};
1506   }
1507 
1508   return {};
1509 }
1510 
1511 namespace {
1512 
1513 struct NormalizedMips64RelType {
1514   NormalizedMips64RelType(IO &)
1515       : Type(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)),
1516         Type2(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)),
1517         Type3(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)),
1518         SpecSym(ELFYAML::ELF_REL(ELF::RSS_UNDEF)) {}
1519   NormalizedMips64RelType(IO &, ELFYAML::ELF_REL Original)
1520       : Type(Original & 0xFF), Type2(Original >> 8 & 0xFF),
1521         Type3(Original >> 16 & 0xFF), SpecSym(Original >> 24 & 0xFF) {}
1522 
1523   ELFYAML::ELF_REL denormalize(IO &) {
1524     ELFYAML::ELF_REL Res = Type | Type2 << 8 | Type3 << 16 | SpecSym << 24;
1525     return Res;
1526   }
1527 
1528   ELFYAML::ELF_REL Type;
1529   ELFYAML::ELF_REL Type2;
1530   ELFYAML::ELF_REL Type3;
1531   ELFYAML::ELF_RSS SpecSym;
1532 };
1533 
1534 } // end anonymous namespace
1535 
1536 void MappingTraits<ELFYAML::StackSizeEntry>::mapping(
1537     IO &IO, ELFYAML::StackSizeEntry &E) {
1538   assert(IO.getContext() && "The IO context is not initialized");
1539   IO.mapOptional("Address", E.Address, Hex64(0));
1540   IO.mapRequired("Size", E.Size);
1541 }
1542 
1543 void MappingTraits<ELFYAML::GnuHashHeader>::mapping(IO &IO,
1544                                                     ELFYAML::GnuHashHeader &E) {
1545   assert(IO.getContext() && "The IO context is not initialized");
1546   IO.mapOptional("NBuckets", E.NBuckets);
1547   IO.mapRequired("SymNdx", E.SymNdx);
1548   IO.mapOptional("MaskWords", E.MaskWords);
1549   IO.mapRequired("Shift2", E.Shift2);
1550 }
1551 
1552 void MappingTraits<ELFYAML::DynamicEntry>::mapping(IO &IO,
1553                                                    ELFYAML::DynamicEntry &Rel) {
1554   assert(IO.getContext() && "The IO context is not initialized");
1555 
1556   IO.mapRequired("Tag", Rel.Tag);
1557   IO.mapRequired("Value", Rel.Val);
1558 }
1559 
1560 void MappingTraits<ELFYAML::NoteEntry>::mapping(IO &IO, ELFYAML::NoteEntry &N) {
1561   assert(IO.getContext() && "The IO context is not initialized");
1562 
1563   IO.mapOptional("Name", N.Name);
1564   IO.mapOptional("Desc", N.Desc);
1565   IO.mapRequired("Type", N.Type);
1566 }
1567 
1568 void MappingTraits<ELFYAML::VerdefEntry>::mapping(IO &IO,
1569                                                   ELFYAML::VerdefEntry &E) {
1570   assert(IO.getContext() && "The IO context is not initialized");
1571 
1572   IO.mapRequired("Version", E.Version);
1573   IO.mapRequired("Flags", E.Flags);
1574   IO.mapRequired("VersionNdx", E.VersionNdx);
1575   IO.mapRequired("Hash", E.Hash);
1576   IO.mapRequired("Names", E.VerNames);
1577 }
1578 
1579 void MappingTraits<ELFYAML::VerneedEntry>::mapping(IO &IO,
1580                                                    ELFYAML::VerneedEntry &E) {
1581   assert(IO.getContext() && "The IO context is not initialized");
1582 
1583   IO.mapRequired("Version", E.Version);
1584   IO.mapRequired("File", E.File);
1585   IO.mapRequired("Entries", E.AuxV);
1586 }
1587 
1588 void MappingTraits<ELFYAML::VernauxEntry>::mapping(IO &IO,
1589                                                    ELFYAML::VernauxEntry &E) {
1590   assert(IO.getContext() && "The IO context is not initialized");
1591 
1592   IO.mapRequired("Name", E.Name);
1593   IO.mapRequired("Hash", E.Hash);
1594   IO.mapRequired("Flags", E.Flags);
1595   IO.mapRequired("Other", E.Other);
1596 }
1597 
1598 void MappingTraits<ELFYAML::Relocation>::mapping(IO &IO,
1599                                                  ELFYAML::Relocation &Rel) {
1600   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
1601   assert(Object && "The IO context is not initialized");
1602 
1603   IO.mapOptional("Offset", Rel.Offset, (Hex64)0);
1604   IO.mapOptional("Symbol", Rel.Symbol);
1605 
1606   if (Object->Header.Machine == ELFYAML::ELF_EM(ELF::EM_MIPS) &&
1607       Object->Header.Class == ELFYAML::ELF_ELFCLASS(ELF::ELFCLASS64)) {
1608     MappingNormalization<NormalizedMips64RelType, ELFYAML::ELF_REL> Key(
1609         IO, Rel.Type);
1610     IO.mapRequired("Type", Key->Type);
1611     IO.mapOptional("Type2", Key->Type2, ELFYAML::ELF_REL(ELF::R_MIPS_NONE));
1612     IO.mapOptional("Type3", Key->Type3, ELFYAML::ELF_REL(ELF::R_MIPS_NONE));
1613     IO.mapOptional("SpecSym", Key->SpecSym, ELFYAML::ELF_RSS(ELF::RSS_UNDEF));
1614   } else
1615     IO.mapRequired("Type", Rel.Type);
1616 
1617   IO.mapOptional("Addend", Rel.Addend, (ELFYAML::YAMLIntUInt)0);
1618 }
1619 
1620 void MappingTraits<ELFYAML::Object>::mapping(IO &IO, ELFYAML::Object &Object) {
1621   assert(!IO.getContext() && "The IO context is initialized already");
1622   IO.setContext(&Object);
1623   IO.mapTag("!ELF", true);
1624   IO.mapRequired("FileHeader", Object.Header);
1625   IO.mapOptional("ProgramHeaders", Object.ProgramHeaders);
1626   IO.mapOptional("Sections", Object.Chunks);
1627   IO.mapOptional("Symbols", Object.Symbols);
1628   IO.mapOptional("DynamicSymbols", Object.DynamicSymbols);
1629   IO.setContext(nullptr);
1630 }
1631 
1632 void MappingTraits<ELFYAML::LinkerOption>::mapping(IO &IO,
1633                                                    ELFYAML::LinkerOption &Opt) {
1634   assert(IO.getContext() && "The IO context is not initialized");
1635   IO.mapRequired("Name", Opt.Key);
1636   IO.mapRequired("Value", Opt.Value);
1637 }
1638 
1639 void MappingTraits<ELFYAML::CallGraphEntry>::mapping(
1640     IO &IO, ELFYAML::CallGraphEntry &E) {
1641   assert(IO.getContext() && "The IO context is not initialized");
1642   IO.mapRequired("From", E.From);
1643   IO.mapRequired("To", E.To);
1644   IO.mapRequired("Weight", E.Weight);
1645 }
1646 
1647 LLVM_YAML_STRONG_TYPEDEF(uint8_t, MIPS_AFL_REG)
1648 LLVM_YAML_STRONG_TYPEDEF(uint8_t, MIPS_ABI_FP)
1649 LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_EXT)
1650 LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_ASE)
1651 LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_FLAGS1)
1652 
1653 } // end namespace yaml
1654 
1655 } // end namespace llvm
1656