1 //===- ELFYAML.cpp - ELF YAMLIO implementation ----------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file defines classes for handling the YAML representation of ELF.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "llvm/ObjectYAML/ELFYAML.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 <cassert>
22 #include <cstdint>
23 
24 namespace llvm {
25 
26 ELFYAML::Section::~Section() = default;
27 
28 namespace yaml {
29 
30 void ScalarEnumerationTraits<ELFYAML::ELF_ET>::enumeration(
31     IO &IO, ELFYAML::ELF_ET &Value) {
32 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
33   ECase(ET_NONE);
34   ECase(ET_REL);
35   ECase(ET_EXEC);
36   ECase(ET_DYN);
37   ECase(ET_CORE);
38 #undef ECase
39   IO.enumFallback<Hex16>(Value);
40 }
41 
42 void ScalarEnumerationTraits<ELFYAML::ELF_PT>::enumeration(
43     IO &IO, ELFYAML::ELF_PT &Value) {
44 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
45   ECase(PT_NULL);
46   ECase(PT_LOAD);
47   ECase(PT_DYNAMIC);
48   ECase(PT_INTERP);
49   ECase(PT_NOTE);
50   ECase(PT_SHLIB);
51   ECase(PT_PHDR);
52   ECase(PT_TLS);
53   ECase(PT_GNU_EH_FRAME);
54 #undef ECase
55   IO.enumFallback<Hex32>(Value);
56 }
57 
58 void ScalarEnumerationTraits<ELFYAML::ELF_EM>::enumeration(
59     IO &IO, ELFYAML::ELF_EM &Value) {
60 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
61   ECase(EM_NONE);
62   ECase(EM_M32);
63   ECase(EM_SPARC);
64   ECase(EM_386);
65   ECase(EM_68K);
66   ECase(EM_88K);
67   ECase(EM_IAMCU);
68   ECase(EM_860);
69   ECase(EM_MIPS);
70   ECase(EM_S370);
71   ECase(EM_MIPS_RS3_LE);
72   ECase(EM_PARISC);
73   ECase(EM_VPP500);
74   ECase(EM_SPARC32PLUS);
75   ECase(EM_960);
76   ECase(EM_PPC);
77   ECase(EM_PPC64);
78   ECase(EM_S390);
79   ECase(EM_SPU);
80   ECase(EM_V800);
81   ECase(EM_FR20);
82   ECase(EM_RH32);
83   ECase(EM_RCE);
84   ECase(EM_ARM);
85   ECase(EM_ALPHA);
86   ECase(EM_SH);
87   ECase(EM_SPARCV9);
88   ECase(EM_TRICORE);
89   ECase(EM_ARC);
90   ECase(EM_H8_300);
91   ECase(EM_H8_300H);
92   ECase(EM_H8S);
93   ECase(EM_H8_500);
94   ECase(EM_IA_64);
95   ECase(EM_MIPS_X);
96   ECase(EM_COLDFIRE);
97   ECase(EM_68HC12);
98   ECase(EM_MMA);
99   ECase(EM_PCP);
100   ECase(EM_NCPU);
101   ECase(EM_NDR1);
102   ECase(EM_STARCORE);
103   ECase(EM_ME16);
104   ECase(EM_ST100);
105   ECase(EM_TINYJ);
106   ECase(EM_X86_64);
107   ECase(EM_PDSP);
108   ECase(EM_PDP10);
109   ECase(EM_PDP11);
110   ECase(EM_FX66);
111   ECase(EM_ST9PLUS);
112   ECase(EM_ST7);
113   ECase(EM_68HC16);
114   ECase(EM_68HC11);
115   ECase(EM_68HC08);
116   ECase(EM_68HC05);
117   ECase(EM_SVX);
118   ECase(EM_ST19);
119   ECase(EM_VAX);
120   ECase(EM_CRIS);
121   ECase(EM_JAVELIN);
122   ECase(EM_FIREPATH);
123   ECase(EM_ZSP);
124   ECase(EM_MMIX);
125   ECase(EM_HUANY);
126   ECase(EM_PRISM);
127   ECase(EM_AVR);
128   ECase(EM_FR30);
129   ECase(EM_D10V);
130   ECase(EM_D30V);
131   ECase(EM_V850);
132   ECase(EM_M32R);
133   ECase(EM_MN10300);
134   ECase(EM_MN10200);
135   ECase(EM_PJ);
136   ECase(EM_OPENRISC);
137   ECase(EM_ARC_COMPACT);
138   ECase(EM_XTENSA);
139   ECase(EM_VIDEOCORE);
140   ECase(EM_TMM_GPP);
141   ECase(EM_NS32K);
142   ECase(EM_TPC);
143   ECase(EM_SNP1K);
144   ECase(EM_ST200);
145   ECase(EM_IP2K);
146   ECase(EM_MAX);
147   ECase(EM_CR);
148   ECase(EM_F2MC16);
149   ECase(EM_MSP430);
150   ECase(EM_BLACKFIN);
151   ECase(EM_SE_C33);
152   ECase(EM_SEP);
153   ECase(EM_ARCA);
154   ECase(EM_UNICORE);
155   ECase(EM_EXCESS);
156   ECase(EM_DXP);
157   ECase(EM_ALTERA_NIOS2);
158   ECase(EM_CRX);
159   ECase(EM_XGATE);
160   ECase(EM_C166);
161   ECase(EM_M16C);
162   ECase(EM_DSPIC30F);
163   ECase(EM_CE);
164   ECase(EM_M32C);
165   ECase(EM_TSK3000);
166   ECase(EM_RS08);
167   ECase(EM_SHARC);
168   ECase(EM_ECOG2);
169   ECase(EM_SCORE7);
170   ECase(EM_DSP24);
171   ECase(EM_VIDEOCORE3);
172   ECase(EM_LATTICEMICO32);
173   ECase(EM_SE_C17);
174   ECase(EM_TI_C6000);
175   ECase(EM_TI_C2000);
176   ECase(EM_TI_C5500);
177   ECase(EM_MMDSP_PLUS);
178   ECase(EM_CYPRESS_M8C);
179   ECase(EM_R32C);
180   ECase(EM_TRIMEDIA);
181   ECase(EM_HEXAGON);
182   ECase(EM_8051);
183   ECase(EM_STXP7X);
184   ECase(EM_NDS32);
185   ECase(EM_ECOG1);
186   ECase(EM_ECOG1X);
187   ECase(EM_MAXQ30);
188   ECase(EM_XIMO16);
189   ECase(EM_MANIK);
190   ECase(EM_CRAYNV2);
191   ECase(EM_RX);
192   ECase(EM_METAG);
193   ECase(EM_MCST_ELBRUS);
194   ECase(EM_ECOG16);
195   ECase(EM_CR16);
196   ECase(EM_ETPU);
197   ECase(EM_SLE9X);
198   ECase(EM_L10M);
199   ECase(EM_K10M);
200   ECase(EM_AARCH64);
201   ECase(EM_AVR32);
202   ECase(EM_STM8);
203   ECase(EM_TILE64);
204   ECase(EM_TILEPRO);
205   ECase(EM_CUDA);
206   ECase(EM_TILEGX);
207   ECase(EM_CLOUDSHIELD);
208   ECase(EM_COREA_1ST);
209   ECase(EM_COREA_2ND);
210   ECase(EM_ARC_COMPACT2);
211   ECase(EM_OPEN8);
212   ECase(EM_RL78);
213   ECase(EM_VIDEOCORE5);
214   ECase(EM_78KOR);
215   ECase(EM_56800EX);
216   ECase(EM_AMDGPU);
217   ECase(EM_RISCV);
218   ECase(EM_LANAI);
219   ECase(EM_BPF);
220 #undef ECase
221 }
222 
223 void ScalarEnumerationTraits<ELFYAML::ELF_ELFCLASS>::enumeration(
224     IO &IO, ELFYAML::ELF_ELFCLASS &Value) {
225 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
226   // Since the semantics of ELFCLASSNONE is "invalid", just don't accept it
227   // here.
228   ECase(ELFCLASS32);
229   ECase(ELFCLASS64);
230 #undef ECase
231 }
232 
233 void ScalarEnumerationTraits<ELFYAML::ELF_ELFDATA>::enumeration(
234     IO &IO, ELFYAML::ELF_ELFDATA &Value) {
235 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
236   // Since the semantics of ELFDATANONE is "invalid", just don't accept it
237   // here.
238   ECase(ELFDATA2LSB);
239   ECase(ELFDATA2MSB);
240 #undef ECase
241 }
242 
243 void ScalarEnumerationTraits<ELFYAML::ELF_ELFOSABI>::enumeration(
244     IO &IO, ELFYAML::ELF_ELFOSABI &Value) {
245 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
246   ECase(ELFOSABI_NONE);
247   ECase(ELFOSABI_HPUX);
248   ECase(ELFOSABI_NETBSD);
249   ECase(ELFOSABI_GNU);
250   ECase(ELFOSABI_HURD);
251   ECase(ELFOSABI_SOLARIS);
252   ECase(ELFOSABI_AIX);
253   ECase(ELFOSABI_IRIX);
254   ECase(ELFOSABI_FREEBSD);
255   ECase(ELFOSABI_TRU64);
256   ECase(ELFOSABI_MODESTO);
257   ECase(ELFOSABI_OPENBSD);
258   ECase(ELFOSABI_OPENVMS);
259   ECase(ELFOSABI_NSK);
260   ECase(ELFOSABI_AROS);
261   ECase(ELFOSABI_FENIXOS);
262   ECase(ELFOSABI_CLOUDABI);
263   ECase(ELFOSABI_AMDGPU_HSA);
264   ECase(ELFOSABI_AMDGPU_PAL);
265   ECase(ELFOSABI_AMDGPU_MESA3D);
266   ECase(ELFOSABI_ARM);
267   ECase(ELFOSABI_C6000_ELFABI);
268   ECase(ELFOSABI_C6000_LINUX);
269   ECase(ELFOSABI_STANDALONE);
270 #undef ECase
271 }
272 
273 void ScalarBitSetTraits<ELFYAML::ELF_EF>::bitset(IO &IO,
274                                                  ELFYAML::ELF_EF &Value) {
275   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
276   assert(Object && "The IO context is not initialized");
277 #define BCase(X) IO.bitSetCase(Value, #X, ELF::X)
278 #define BCaseMask(X, M) IO.maskedBitSetCase(Value, #X, ELF::X, ELF::M)
279   switch (Object->Header.Machine) {
280   case ELF::EM_ARM:
281     BCase(EF_ARM_SOFT_FLOAT);
282     BCase(EF_ARM_VFP_FLOAT);
283     BCaseMask(EF_ARM_EABI_UNKNOWN, EF_ARM_EABIMASK);
284     BCaseMask(EF_ARM_EABI_VER1, EF_ARM_EABIMASK);
285     BCaseMask(EF_ARM_EABI_VER2, EF_ARM_EABIMASK);
286     BCaseMask(EF_ARM_EABI_VER3, EF_ARM_EABIMASK);
287     BCaseMask(EF_ARM_EABI_VER4, EF_ARM_EABIMASK);
288     BCaseMask(EF_ARM_EABI_VER5, EF_ARM_EABIMASK);
289     break;
290   case ELF::EM_MIPS:
291     BCase(EF_MIPS_NOREORDER);
292     BCase(EF_MIPS_PIC);
293     BCase(EF_MIPS_CPIC);
294     BCase(EF_MIPS_ABI2);
295     BCase(EF_MIPS_32BITMODE);
296     BCase(EF_MIPS_FP64);
297     BCase(EF_MIPS_NAN2008);
298     BCase(EF_MIPS_MICROMIPS);
299     BCase(EF_MIPS_ARCH_ASE_M16);
300     BCase(EF_MIPS_ARCH_ASE_MDMX);
301     BCaseMask(EF_MIPS_ABI_O32, EF_MIPS_ABI);
302     BCaseMask(EF_MIPS_ABI_O64, EF_MIPS_ABI);
303     BCaseMask(EF_MIPS_ABI_EABI32, EF_MIPS_ABI);
304     BCaseMask(EF_MIPS_ABI_EABI64, EF_MIPS_ABI);
305     BCaseMask(EF_MIPS_MACH_3900, EF_MIPS_MACH);
306     BCaseMask(EF_MIPS_MACH_4010, EF_MIPS_MACH);
307     BCaseMask(EF_MIPS_MACH_4100, EF_MIPS_MACH);
308     BCaseMask(EF_MIPS_MACH_4650, EF_MIPS_MACH);
309     BCaseMask(EF_MIPS_MACH_4120, EF_MIPS_MACH);
310     BCaseMask(EF_MIPS_MACH_4111, EF_MIPS_MACH);
311     BCaseMask(EF_MIPS_MACH_SB1, EF_MIPS_MACH);
312     BCaseMask(EF_MIPS_MACH_OCTEON, EF_MIPS_MACH);
313     BCaseMask(EF_MIPS_MACH_XLR, EF_MIPS_MACH);
314     BCaseMask(EF_MIPS_MACH_OCTEON2, EF_MIPS_MACH);
315     BCaseMask(EF_MIPS_MACH_OCTEON3, EF_MIPS_MACH);
316     BCaseMask(EF_MIPS_MACH_5400, EF_MIPS_MACH);
317     BCaseMask(EF_MIPS_MACH_5900, EF_MIPS_MACH);
318     BCaseMask(EF_MIPS_MACH_5500, EF_MIPS_MACH);
319     BCaseMask(EF_MIPS_MACH_9000, EF_MIPS_MACH);
320     BCaseMask(EF_MIPS_MACH_LS2E, EF_MIPS_MACH);
321     BCaseMask(EF_MIPS_MACH_LS2F, EF_MIPS_MACH);
322     BCaseMask(EF_MIPS_MACH_LS3A, EF_MIPS_MACH);
323     BCaseMask(EF_MIPS_ARCH_1, EF_MIPS_ARCH);
324     BCaseMask(EF_MIPS_ARCH_2, EF_MIPS_ARCH);
325     BCaseMask(EF_MIPS_ARCH_3, EF_MIPS_ARCH);
326     BCaseMask(EF_MIPS_ARCH_4, EF_MIPS_ARCH);
327     BCaseMask(EF_MIPS_ARCH_5, EF_MIPS_ARCH);
328     BCaseMask(EF_MIPS_ARCH_32, EF_MIPS_ARCH);
329     BCaseMask(EF_MIPS_ARCH_64, EF_MIPS_ARCH);
330     BCaseMask(EF_MIPS_ARCH_32R2, EF_MIPS_ARCH);
331     BCaseMask(EF_MIPS_ARCH_64R2, EF_MIPS_ARCH);
332     BCaseMask(EF_MIPS_ARCH_32R6, EF_MIPS_ARCH);
333     BCaseMask(EF_MIPS_ARCH_64R6, EF_MIPS_ARCH);
334     break;
335   case ELF::EM_HEXAGON:
336     BCase(EF_HEXAGON_MACH_V2);
337     BCase(EF_HEXAGON_MACH_V3);
338     BCase(EF_HEXAGON_MACH_V4);
339     BCase(EF_HEXAGON_MACH_V5);
340     BCase(EF_HEXAGON_ISA_V2);
341     BCase(EF_HEXAGON_ISA_V3);
342     BCase(EF_HEXAGON_ISA_V4);
343     BCase(EF_HEXAGON_ISA_V5);
344     break;
345   case ELF::EM_AVR:
346     BCase(EF_AVR_ARCH_AVR1);
347     BCase(EF_AVR_ARCH_AVR2);
348     BCase(EF_AVR_ARCH_AVR25);
349     BCase(EF_AVR_ARCH_AVR3);
350     BCase(EF_AVR_ARCH_AVR31);
351     BCase(EF_AVR_ARCH_AVR35);
352     BCase(EF_AVR_ARCH_AVR4);
353     BCase(EF_AVR_ARCH_AVR51);
354     BCase(EF_AVR_ARCH_AVR6);
355     BCase(EF_AVR_ARCH_AVRTINY);
356     BCase(EF_AVR_ARCH_XMEGA1);
357     BCase(EF_AVR_ARCH_XMEGA2);
358     BCase(EF_AVR_ARCH_XMEGA3);
359     BCase(EF_AVR_ARCH_XMEGA4);
360     BCase(EF_AVR_ARCH_XMEGA5);
361     BCase(EF_AVR_ARCH_XMEGA6);
362     BCase(EF_AVR_ARCH_XMEGA7);
363     break;
364   case ELF::EM_RISCV:
365     BCase(EF_RISCV_RVC);
366     BCaseMask(EF_RISCV_FLOAT_ABI_SOFT, EF_RISCV_FLOAT_ABI);
367     BCaseMask(EF_RISCV_FLOAT_ABI_SINGLE, EF_RISCV_FLOAT_ABI);
368     BCaseMask(EF_RISCV_FLOAT_ABI_DOUBLE, EF_RISCV_FLOAT_ABI);
369     BCaseMask(EF_RISCV_FLOAT_ABI_QUAD, EF_RISCV_FLOAT_ABI);
370     BCase(EF_RISCV_RVE);
371     break;
372   case ELF::EM_AMDGPU:
373     BCaseMask(EF_AMDGPU_MACH_NONE, EF_AMDGPU_MACH);
374     BCaseMask(EF_AMDGPU_MACH_R600_R600, EF_AMDGPU_MACH);
375     BCaseMask(EF_AMDGPU_MACH_R600_R630, EF_AMDGPU_MACH);
376     BCaseMask(EF_AMDGPU_MACH_R600_RS880, EF_AMDGPU_MACH);
377     BCaseMask(EF_AMDGPU_MACH_R600_RV670, EF_AMDGPU_MACH);
378     BCaseMask(EF_AMDGPU_MACH_R600_RV710, EF_AMDGPU_MACH);
379     BCaseMask(EF_AMDGPU_MACH_R600_RV730, EF_AMDGPU_MACH);
380     BCaseMask(EF_AMDGPU_MACH_R600_RV770, EF_AMDGPU_MACH);
381     BCaseMask(EF_AMDGPU_MACH_R600_CEDAR, EF_AMDGPU_MACH);
382     BCaseMask(EF_AMDGPU_MACH_R600_CYPRESS, EF_AMDGPU_MACH);
383     BCaseMask(EF_AMDGPU_MACH_R600_JUNIPER, EF_AMDGPU_MACH);
384     BCaseMask(EF_AMDGPU_MACH_R600_REDWOOD, EF_AMDGPU_MACH);
385     BCaseMask(EF_AMDGPU_MACH_R600_SUMO, EF_AMDGPU_MACH);
386     BCaseMask(EF_AMDGPU_MACH_R600_BARTS, EF_AMDGPU_MACH);
387     BCaseMask(EF_AMDGPU_MACH_R600_CAICOS, EF_AMDGPU_MACH);
388     BCaseMask(EF_AMDGPU_MACH_R600_CAYMAN, EF_AMDGPU_MACH);
389     BCaseMask(EF_AMDGPU_MACH_R600_TURKS, EF_AMDGPU_MACH);
390     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX600, EF_AMDGPU_MACH);
391     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX601, EF_AMDGPU_MACH);
392     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX700, EF_AMDGPU_MACH);
393     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX701, EF_AMDGPU_MACH);
394     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX702, EF_AMDGPU_MACH);
395     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX703, EF_AMDGPU_MACH);
396     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX704, EF_AMDGPU_MACH);
397     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX801, EF_AMDGPU_MACH);
398     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX802, EF_AMDGPU_MACH);
399     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX803, EF_AMDGPU_MACH);
400     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX810, EF_AMDGPU_MACH);
401     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX900, EF_AMDGPU_MACH);
402     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX902, EF_AMDGPU_MACH);
403     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX904, EF_AMDGPU_MACH);
404     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX906, EF_AMDGPU_MACH);
405     BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX909, EF_AMDGPU_MACH);
406     BCase(EF_AMDGPU_XNACK);
407     BCase(EF_AMDGPU_SRAM_ECC);
408     break;
409   case ELF::EM_X86_64:
410     break;
411   default:
412     llvm_unreachable("Unsupported architecture");
413   }
414 #undef BCase
415 #undef BCaseMask
416 }
417 
418 void ScalarEnumerationTraits<ELFYAML::ELF_SHT>::enumeration(
419     IO &IO, ELFYAML::ELF_SHT &Value) {
420   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
421   assert(Object && "The IO context is not initialized");
422 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
423   ECase(SHT_NULL);
424   ECase(SHT_PROGBITS);
425   ECase(SHT_SYMTAB);
426   // FIXME: Issue a diagnostic with this information.
427   ECase(SHT_STRTAB);
428   ECase(SHT_RELA);
429   ECase(SHT_HASH);
430   ECase(SHT_DYNAMIC);
431   ECase(SHT_NOTE);
432   ECase(SHT_NOBITS);
433   ECase(SHT_REL);
434   ECase(SHT_SHLIB);
435   ECase(SHT_DYNSYM);
436   ECase(SHT_INIT_ARRAY);
437   ECase(SHT_FINI_ARRAY);
438   ECase(SHT_PREINIT_ARRAY);
439   ECase(SHT_GROUP);
440   ECase(SHT_SYMTAB_SHNDX);
441   ECase(SHT_RELR);
442   ECase(SHT_LOOS);
443   ECase(SHT_ANDROID_REL);
444   ECase(SHT_ANDROID_RELA);
445   ECase(SHT_ANDROID_RELR);
446   ECase(SHT_LLVM_ODRTAB);
447   ECase(SHT_LLVM_LINKER_OPTIONS);
448   ECase(SHT_LLVM_CALL_GRAPH_PROFILE);
449   ECase(SHT_LLVM_ADDRSIG);
450   ECase(SHT_GNU_ATTRIBUTES);
451   ECase(SHT_GNU_HASH);
452   ECase(SHT_GNU_verdef);
453   ECase(SHT_GNU_verneed);
454   ECase(SHT_GNU_versym);
455   ECase(SHT_HIOS);
456   ECase(SHT_LOPROC);
457   switch (Object->Header.Machine) {
458   case ELF::EM_ARM:
459     ECase(SHT_ARM_EXIDX);
460     ECase(SHT_ARM_PREEMPTMAP);
461     ECase(SHT_ARM_ATTRIBUTES);
462     ECase(SHT_ARM_DEBUGOVERLAY);
463     ECase(SHT_ARM_OVERLAYSECTION);
464     break;
465   case ELF::EM_HEXAGON:
466     ECase(SHT_HEX_ORDERED);
467     break;
468   case ELF::EM_X86_64:
469     ECase(SHT_X86_64_UNWIND);
470     break;
471   case ELF::EM_MIPS:
472     ECase(SHT_MIPS_REGINFO);
473     ECase(SHT_MIPS_OPTIONS);
474     ECase(SHT_MIPS_ABIFLAGS);
475     break;
476   default:
477     // Nothing to do.
478     break;
479   }
480 #undef ECase
481 }
482 
483 void ScalarBitSetTraits<ELFYAML::ELF_PF>::bitset(IO &IO,
484                                                  ELFYAML::ELF_PF &Value) {
485 #define BCase(X) IO.bitSetCase(Value, #X, ELF::X)
486   BCase(PF_X);
487   BCase(PF_W);
488   BCase(PF_R);
489 }
490 
491 void ScalarBitSetTraits<ELFYAML::ELF_SHF>::bitset(IO &IO,
492                                                   ELFYAML::ELF_SHF &Value) {
493   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
494 #define BCase(X) IO.bitSetCase(Value, #X, ELF::X)
495   BCase(SHF_WRITE);
496   BCase(SHF_ALLOC);
497   BCase(SHF_EXCLUDE);
498   BCase(SHF_EXECINSTR);
499   BCase(SHF_MERGE);
500   BCase(SHF_STRINGS);
501   BCase(SHF_INFO_LINK);
502   BCase(SHF_LINK_ORDER);
503   BCase(SHF_OS_NONCONFORMING);
504   BCase(SHF_GROUP);
505   BCase(SHF_TLS);
506   BCase(SHF_COMPRESSED);
507   switch (Object->Header.Machine) {
508   case ELF::EM_ARM:
509     BCase(SHF_ARM_PURECODE);
510     break;
511   case ELF::EM_HEXAGON:
512     BCase(SHF_HEX_GPREL);
513     break;
514   case ELF::EM_MIPS:
515     BCase(SHF_MIPS_NODUPES);
516     BCase(SHF_MIPS_NAMES);
517     BCase(SHF_MIPS_LOCAL);
518     BCase(SHF_MIPS_NOSTRIP);
519     BCase(SHF_MIPS_GPREL);
520     BCase(SHF_MIPS_MERGE);
521     BCase(SHF_MIPS_ADDR);
522     BCase(SHF_MIPS_STRING);
523     break;
524   case ELF::EM_X86_64:
525     BCase(SHF_X86_64_LARGE);
526     break;
527   default:
528     // Nothing to do.
529     break;
530   }
531 #undef BCase
532 }
533 
534 void ScalarEnumerationTraits<ELFYAML::ELF_SHN>::enumeration(
535     IO &IO, ELFYAML::ELF_SHN &Value) {
536 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
537   ECase(SHN_UNDEF);
538   ECase(SHN_LORESERVE);
539   ECase(SHN_LOPROC);
540   ECase(SHN_HIPROC);
541   ECase(SHN_LOOS);
542   ECase(SHN_HIOS);
543   ECase(SHN_ABS);
544   ECase(SHN_COMMON);
545   ECase(SHN_XINDEX);
546   ECase(SHN_HIRESERVE);
547   ECase(SHN_HEXAGON_SCOMMON);
548   ECase(SHN_HEXAGON_SCOMMON_1);
549   ECase(SHN_HEXAGON_SCOMMON_2);
550   ECase(SHN_HEXAGON_SCOMMON_4);
551   ECase(SHN_HEXAGON_SCOMMON_8);
552 #undef ECase
553   IO.enumFallback<Hex32>(Value);
554 }
555 
556 void ScalarEnumerationTraits<ELFYAML::ELF_STT>::enumeration(
557     IO &IO, ELFYAML::ELF_STT &Value) {
558 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
559   ECase(STT_NOTYPE);
560   ECase(STT_OBJECT);
561   ECase(STT_FUNC);
562   ECase(STT_SECTION);
563   ECase(STT_FILE);
564   ECase(STT_COMMON);
565   ECase(STT_TLS);
566   ECase(STT_GNU_IFUNC);
567 #undef ECase
568 }
569 
570 void ScalarEnumerationTraits<ELFYAML::ELF_STV>::enumeration(
571     IO &IO, ELFYAML::ELF_STV &Value) {
572 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
573   ECase(STV_DEFAULT);
574   ECase(STV_INTERNAL);
575   ECase(STV_HIDDEN);
576   ECase(STV_PROTECTED);
577 #undef ECase
578 }
579 
580 void ScalarBitSetTraits<ELFYAML::ELF_STO>::bitset(IO &IO,
581                                                   ELFYAML::ELF_STO &Value) {
582   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
583   assert(Object && "The IO context is not initialized");
584 #define BCase(X) IO.bitSetCase(Value, #X, ELF::X)
585   switch (Object->Header.Machine) {
586   case ELF::EM_MIPS:
587     BCase(STO_MIPS_OPTIONAL);
588     BCase(STO_MIPS_PLT);
589     BCase(STO_MIPS_PIC);
590     BCase(STO_MIPS_MICROMIPS);
591     break;
592   default:
593     break; // Nothing to do
594   }
595 #undef BCase
596 #undef BCaseMask
597 }
598 
599 void ScalarEnumerationTraits<ELFYAML::ELF_RSS>::enumeration(
600     IO &IO, ELFYAML::ELF_RSS &Value) {
601 #define ECase(X) IO.enumCase(Value, #X, ELF::X)
602   ECase(RSS_UNDEF);
603   ECase(RSS_GP);
604   ECase(RSS_GP0);
605   ECase(RSS_LOC);
606 #undef ECase
607 }
608 
609 void ScalarEnumerationTraits<ELFYAML::ELF_REL>::enumeration(
610     IO &IO, ELFYAML::ELF_REL &Value) {
611   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
612   assert(Object && "The IO context is not initialized");
613 #define ELF_RELOC(X, Y) IO.enumCase(Value, #X, ELF::X);
614   switch (Object->Header.Machine) {
615   case ELF::EM_X86_64:
616 #include "llvm/BinaryFormat/ELFRelocs/x86_64.def"
617     break;
618   case ELF::EM_MIPS:
619 #include "llvm/BinaryFormat/ELFRelocs/Mips.def"
620     break;
621   case ELF::EM_HEXAGON:
622 #include "llvm/BinaryFormat/ELFRelocs/Hexagon.def"
623     break;
624   case ELF::EM_386:
625   case ELF::EM_IAMCU:
626 #include "llvm/BinaryFormat/ELFRelocs/i386.def"
627     break;
628   case ELF::EM_AARCH64:
629 #include "llvm/BinaryFormat/ELFRelocs/AArch64.def"
630     break;
631   case ELF::EM_ARM:
632 #include "llvm/BinaryFormat/ELFRelocs/ARM.def"
633     break;
634   case ELF::EM_ARC:
635 #include "llvm/BinaryFormat/ELFRelocs/ARC.def"
636     break;
637   case ELF::EM_RISCV:
638 #include "llvm/BinaryFormat/ELFRelocs/RISCV.def"
639     break;
640   case ELF::EM_LANAI:
641 #include "llvm/BinaryFormat/ELFRelocs/Lanai.def"
642     break;
643   case ELF::EM_AMDGPU:
644 #include "llvm/BinaryFormat/ELFRelocs/AMDGPU.def"
645     break;
646   case ELF::EM_BPF:
647 #include "llvm/BinaryFormat/ELFRelocs/BPF.def"
648     break;
649   default:
650     llvm_unreachable("Unsupported architecture");
651   }
652 #undef ELF_RELOC
653   IO.enumFallback<Hex32>(Value);
654 }
655 
656 void ScalarEnumerationTraits<ELFYAML::MIPS_AFL_REG>::enumeration(
657     IO &IO, ELFYAML::MIPS_AFL_REG &Value) {
658 #define ECase(X) IO.enumCase(Value, #X, Mips::AFL_##X)
659   ECase(REG_NONE);
660   ECase(REG_32);
661   ECase(REG_64);
662   ECase(REG_128);
663 #undef ECase
664 }
665 
666 void ScalarEnumerationTraits<ELFYAML::MIPS_ABI_FP>::enumeration(
667     IO &IO, ELFYAML::MIPS_ABI_FP &Value) {
668 #define ECase(X) IO.enumCase(Value, #X, Mips::Val_GNU_MIPS_ABI_##X)
669   ECase(FP_ANY);
670   ECase(FP_DOUBLE);
671   ECase(FP_SINGLE);
672   ECase(FP_SOFT);
673   ECase(FP_OLD_64);
674   ECase(FP_XX);
675   ECase(FP_64);
676   ECase(FP_64A);
677 #undef ECase
678 }
679 
680 void ScalarEnumerationTraits<ELFYAML::MIPS_AFL_EXT>::enumeration(
681     IO &IO, ELFYAML::MIPS_AFL_EXT &Value) {
682 #define ECase(X) IO.enumCase(Value, #X, Mips::AFL_##X)
683   ECase(EXT_NONE);
684   ECase(EXT_XLR);
685   ECase(EXT_OCTEON2);
686   ECase(EXT_OCTEONP);
687   ECase(EXT_LOONGSON_3A);
688   ECase(EXT_OCTEON);
689   ECase(EXT_5900);
690   ECase(EXT_4650);
691   ECase(EXT_4010);
692   ECase(EXT_4100);
693   ECase(EXT_3900);
694   ECase(EXT_10000);
695   ECase(EXT_SB1);
696   ECase(EXT_4111);
697   ECase(EXT_4120);
698   ECase(EXT_5400);
699   ECase(EXT_5500);
700   ECase(EXT_LOONGSON_2E);
701   ECase(EXT_LOONGSON_2F);
702   ECase(EXT_OCTEON3);
703 #undef ECase
704 }
705 
706 void ScalarEnumerationTraits<ELFYAML::MIPS_ISA>::enumeration(
707     IO &IO, ELFYAML::MIPS_ISA &Value) {
708   IO.enumCase(Value, "MIPS1", 1);
709   IO.enumCase(Value, "MIPS2", 2);
710   IO.enumCase(Value, "MIPS3", 3);
711   IO.enumCase(Value, "MIPS4", 4);
712   IO.enumCase(Value, "MIPS5", 5);
713   IO.enumCase(Value, "MIPS32", 32);
714   IO.enumCase(Value, "MIPS64", 64);
715 }
716 
717 void ScalarBitSetTraits<ELFYAML::MIPS_AFL_ASE>::bitset(
718     IO &IO, ELFYAML::MIPS_AFL_ASE &Value) {
719 #define BCase(X) IO.bitSetCase(Value, #X, Mips::AFL_ASE_##X)
720   BCase(DSP);
721   BCase(DSPR2);
722   BCase(EVA);
723   BCase(MCU);
724   BCase(MDMX);
725   BCase(MIPS3D);
726   BCase(MT);
727   BCase(SMARTMIPS);
728   BCase(VIRT);
729   BCase(MSA);
730   BCase(MIPS16);
731   BCase(MICROMIPS);
732   BCase(XPA);
733 #undef BCase
734 }
735 
736 void ScalarBitSetTraits<ELFYAML::MIPS_AFL_FLAGS1>::bitset(
737     IO &IO, ELFYAML::MIPS_AFL_FLAGS1 &Value) {
738 #define BCase(X) IO.bitSetCase(Value, #X, Mips::AFL_FLAGS1_##X)
739   BCase(ODDSPREG);
740 #undef BCase
741 }
742 
743 void MappingTraits<ELFYAML::FileHeader>::mapping(IO &IO,
744                                                  ELFYAML::FileHeader &FileHdr) {
745   IO.mapRequired("Class", FileHdr.Class);
746   IO.mapRequired("Data", FileHdr.Data);
747   IO.mapOptional("OSABI", FileHdr.OSABI, ELFYAML::ELF_ELFOSABI(0));
748   IO.mapRequired("Type", FileHdr.Type);
749   IO.mapRequired("Machine", FileHdr.Machine);
750   IO.mapOptional("Flags", FileHdr.Flags, ELFYAML::ELF_EF(0));
751   IO.mapOptional("Entry", FileHdr.Entry, Hex64(0));
752 }
753 
754 void MappingTraits<ELFYAML::ProgramHeader>::mapping(
755     IO &IO, ELFYAML::ProgramHeader &Phdr) {
756   IO.mapRequired("Type", Phdr.Type);
757   IO.mapOptional("Flags", Phdr.Flags, ELFYAML::ELF_PF(0));
758   IO.mapOptional("Sections", Phdr.Sections);
759   IO.mapOptional("VAddr", Phdr.VAddr, Hex64(0));
760   IO.mapOptional("PAddr", Phdr.PAddr, Hex64(0));
761   IO.mapOptional("Align", Phdr.Align);
762 }
763 
764 namespace {
765 
766 struct NormalizedOther {
767   NormalizedOther(IO &)
768       : Visibility(ELFYAML::ELF_STV(0)), Other(ELFYAML::ELF_STO(0)) {}
769   NormalizedOther(IO &, uint8_t Original)
770       : Visibility(Original & 0x3), Other(Original & ~0x3) {}
771 
772   uint8_t denormalize(IO &) { return Visibility | Other; }
773 
774   ELFYAML::ELF_STV Visibility;
775   ELFYAML::ELF_STO Other;
776 };
777 
778 } // end anonymous namespace
779 
780 void MappingTraits<ELFYAML::Symbol>::mapping(IO &IO, ELFYAML::Symbol &Symbol) {
781   IO.mapOptional("Name", Symbol.Name, StringRef());
782   IO.mapOptional("Type", Symbol.Type, ELFYAML::ELF_STT(0));
783   IO.mapOptional("Section", Symbol.Section, StringRef());
784   IO.mapOptional("Index", Symbol.Index);
785   IO.mapOptional("Value", Symbol.Value, Hex64(0));
786   IO.mapOptional("Size", Symbol.Size, Hex64(0));
787 
788   MappingNormalization<NormalizedOther, uint8_t> Keys(IO, Symbol.Other);
789   IO.mapOptional("Visibility", Keys->Visibility, ELFYAML::ELF_STV(0));
790   IO.mapOptional("Other", Keys->Other, ELFYAML::ELF_STO(0));
791 }
792 
793 StringRef MappingTraits<ELFYAML::Symbol>::validate(IO &IO,
794                                                    ELFYAML::Symbol &Symbol) {
795   if (Symbol.Index && Symbol.Section.data()) {
796     return "Index and Section cannot both be specified for Symbol";
797   }
798   if (Symbol.Index && *Symbol.Index == ELFYAML::ELF_SHN(ELF::SHN_XINDEX)) {
799     return "Large indexes are not supported";
800   }
801   if (Symbol.Index && *Symbol.Index < ELFYAML::ELF_SHN(ELF::SHN_LORESERVE)) {
802     return "Use a section name to define which section a symbol is defined in";
803   }
804   return StringRef();
805 }
806 
807 void MappingTraits<ELFYAML::LocalGlobalWeakSymbols>::mapping(
808     IO &IO, ELFYAML::LocalGlobalWeakSymbols &Symbols) {
809   IO.mapOptional("Local", Symbols.Local);
810   IO.mapOptional("Global", Symbols.Global);
811   IO.mapOptional("Weak", Symbols.Weak);
812 }
813 
814 static void commonSectionMapping(IO &IO, ELFYAML::Section &Section) {
815   IO.mapOptional("Name", Section.Name, StringRef());
816   IO.mapRequired("Type", Section.Type);
817   IO.mapOptional("Flags", Section.Flags, ELFYAML::ELF_SHF(0));
818   IO.mapOptional("Address", Section.Address, Hex64(0));
819   IO.mapOptional("Link", Section.Link, StringRef());
820   IO.mapOptional("AddressAlign", Section.AddressAlign, Hex64(0));
821   IO.mapOptional("EntSize", Section.EntSize);
822   IO.mapOptional("Info", Section.Info, StringRef());
823 }
824 
825 static void sectionMapping(IO &IO, ELFYAML::RawContentSection &Section) {
826   commonSectionMapping(IO, Section);
827   IO.mapOptional("Content", Section.Content);
828   IO.mapOptional("Size", Section.Size, Hex64(Section.Content.binary_size()));
829 }
830 
831 static void sectionMapping(IO &IO, ELFYAML::NoBitsSection &Section) {
832   commonSectionMapping(IO, Section);
833   IO.mapOptional("Size", Section.Size, Hex64(0));
834 }
835 
836 static void sectionMapping(IO &IO, ELFYAML::RelocationSection &Section) {
837   commonSectionMapping(IO, Section);
838   IO.mapOptional("Relocations", Section.Relocations);
839 }
840 
841 static void groupSectionMapping(IO &IO, ELFYAML::Group &group) {
842   commonSectionMapping(IO, group);
843   IO.mapRequired("Members", group.Members);
844 }
845 
846 void MappingTraits<ELFYAML::SectionOrType>::mapping(
847     IO &IO, ELFYAML::SectionOrType &sectionOrType) {
848   IO.mapRequired("SectionOrType", sectionOrType.sectionNameOrType);
849 }
850 
851 void MappingTraits<ELFYAML::SectionName>::mapping(
852     IO &IO, ELFYAML::SectionName &sectionName) {
853   IO.mapRequired("Section", sectionName.Section);
854 }
855 
856 static void sectionMapping(IO &IO, ELFYAML::MipsABIFlags &Section) {
857   commonSectionMapping(IO, Section);
858   IO.mapOptional("Version", Section.Version, Hex16(0));
859   IO.mapRequired("ISA", Section.ISALevel);
860   IO.mapOptional("ISARevision", Section.ISARevision, Hex8(0));
861   IO.mapOptional("ISAExtension", Section.ISAExtension,
862                  ELFYAML::MIPS_AFL_EXT(Mips::AFL_EXT_NONE));
863   IO.mapOptional("ASEs", Section.ASEs, ELFYAML::MIPS_AFL_ASE(0));
864   IO.mapOptional("FpABI", Section.FpABI,
865                  ELFYAML::MIPS_ABI_FP(Mips::Val_GNU_MIPS_ABI_FP_ANY));
866   IO.mapOptional("GPRSize", Section.GPRSize,
867                  ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE));
868   IO.mapOptional("CPR1Size", Section.CPR1Size,
869                  ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE));
870   IO.mapOptional("CPR2Size", Section.CPR2Size,
871                  ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE));
872   IO.mapOptional("Flags1", Section.Flags1, ELFYAML::MIPS_AFL_FLAGS1(0));
873   IO.mapOptional("Flags2", Section.Flags2, Hex32(0));
874 }
875 
876 void MappingTraits<std::unique_ptr<ELFYAML::Section>>::mapping(
877     IO &IO, std::unique_ptr<ELFYAML::Section> &Section) {
878   ELFYAML::ELF_SHT sectionType;
879   if (IO.outputting())
880     sectionType = Section->Type;
881   else
882     IO.mapRequired("Type", sectionType);
883 
884   switch (sectionType) {
885   case ELF::SHT_REL:
886   case ELF::SHT_RELA:
887     if (!IO.outputting())
888       Section.reset(new ELFYAML::RelocationSection());
889     sectionMapping(IO, *cast<ELFYAML::RelocationSection>(Section.get()));
890     break;
891   case ELF::SHT_GROUP:
892     if (!IO.outputting())
893       Section.reset(new ELFYAML::Group());
894     groupSectionMapping(IO, *cast<ELFYAML::Group>(Section.get()));
895     break;
896   case ELF::SHT_NOBITS:
897     if (!IO.outputting())
898       Section.reset(new ELFYAML::NoBitsSection());
899     sectionMapping(IO, *cast<ELFYAML::NoBitsSection>(Section.get()));
900     break;
901   case ELF::SHT_MIPS_ABIFLAGS:
902     if (!IO.outputting())
903       Section.reset(new ELFYAML::MipsABIFlags());
904     sectionMapping(IO, *cast<ELFYAML::MipsABIFlags>(Section.get()));
905     break;
906   default:
907     if (!IO.outputting())
908       Section.reset(new ELFYAML::RawContentSection());
909     sectionMapping(IO, *cast<ELFYAML::RawContentSection>(Section.get()));
910   }
911 }
912 
913 StringRef MappingTraits<std::unique_ptr<ELFYAML::Section>>::validate(
914     IO &io, std::unique_ptr<ELFYAML::Section> &Section) {
915   const auto *RawSection = dyn_cast<ELFYAML::RawContentSection>(Section.get());
916   if (!RawSection || RawSection->Size >= RawSection->Content.binary_size())
917     return StringRef();
918   return "Section size must be greater or equal to the content size";
919 }
920 
921 namespace {
922 
923 struct NormalizedMips64RelType {
924   NormalizedMips64RelType(IO &)
925       : Type(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)),
926         Type2(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)),
927         Type3(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)),
928         SpecSym(ELFYAML::ELF_REL(ELF::RSS_UNDEF)) {}
929   NormalizedMips64RelType(IO &, ELFYAML::ELF_REL Original)
930       : Type(Original & 0xFF), Type2(Original >> 8 & 0xFF),
931         Type3(Original >> 16 & 0xFF), SpecSym(Original >> 24 & 0xFF) {}
932 
933   ELFYAML::ELF_REL denormalize(IO &) {
934     ELFYAML::ELF_REL Res = Type | Type2 << 8 | Type3 << 16 | SpecSym << 24;
935     return Res;
936   }
937 
938   ELFYAML::ELF_REL Type;
939   ELFYAML::ELF_REL Type2;
940   ELFYAML::ELF_REL Type3;
941   ELFYAML::ELF_RSS SpecSym;
942 };
943 
944 } // end anonymous namespace
945 
946 void MappingTraits<ELFYAML::Relocation>::mapping(IO &IO,
947                                                  ELFYAML::Relocation &Rel) {
948   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
949   assert(Object && "The IO context is not initialized");
950 
951   IO.mapRequired("Offset", Rel.Offset);
952   IO.mapOptional("Symbol", Rel.Symbol);
953 
954   if (Object->Header.Machine == ELFYAML::ELF_EM(ELF::EM_MIPS) &&
955       Object->Header.Class == ELFYAML::ELF_ELFCLASS(ELF::ELFCLASS64)) {
956     MappingNormalization<NormalizedMips64RelType, ELFYAML::ELF_REL> Key(
957         IO, Rel.Type);
958     IO.mapRequired("Type", Key->Type);
959     IO.mapOptional("Type2", Key->Type2, ELFYAML::ELF_REL(ELF::R_MIPS_NONE));
960     IO.mapOptional("Type3", Key->Type3, ELFYAML::ELF_REL(ELF::R_MIPS_NONE));
961     IO.mapOptional("SpecSym", Key->SpecSym, ELFYAML::ELF_RSS(ELF::RSS_UNDEF));
962   } else
963     IO.mapRequired("Type", Rel.Type);
964 
965   IO.mapOptional("Addend", Rel.Addend, (int64_t)0);
966 }
967 
968 void MappingTraits<ELFYAML::Object>::mapping(IO &IO, ELFYAML::Object &Object) {
969   assert(!IO.getContext() && "The IO context is initialized already");
970   IO.setContext(&Object);
971   IO.mapTag("!ELF", true);
972   IO.mapRequired("FileHeader", Object.Header);
973   IO.mapOptional("ProgramHeaders", Object.ProgramHeaders);
974   IO.mapOptional("Sections", Object.Sections);
975   IO.mapOptional("Symbols", Object.Symbols);
976   IO.mapOptional("DynamicSymbols", Object.DynamicSymbols);
977   IO.setContext(nullptr);
978 }
979 
980 LLVM_YAML_STRONG_TYPEDEF(uint8_t, MIPS_AFL_REG)
981 LLVM_YAML_STRONG_TYPEDEF(uint8_t, MIPS_ABI_FP)
982 LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_EXT)
983 LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_ASE)
984 LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_FLAGS1)
985 
986 } // end namespace yaml
987 
988 } // end namespace llvm
989