llvm/lib/ObjectYAML/ELFYAML.cpp

   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, Hex64(0));
 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 MappingTraits<ELFYAML::Symbol>::mapping(IO &IO, ELFYAML::Symbol &Symbol) {
 986   IO.mapOptional("Name", Symbol.Name, StringRef());
 987   IO.mapOptional("NameIndex", Symbol.NameIndex);
 988   IO.mapOptional("Type", Symbol.Type, ELFYAML::ELF_STT(0));
 989   IO.mapOptional("Section", Symbol.Section, StringRef());
 990   IO.mapOptional("Index", Symbol.Index);
 991   IO.mapOptional("Binding", Symbol.Binding, ELFYAML::ELF_STB(0));
 992   IO.mapOptional("Value", Symbol.Value, Hex64(0));
 993   IO.mapOptional("Size", Symbol.Size, Hex64(0));
 994
 995   // Symbol's Other field is a bit special. It is usually a field that
 996   // represents st_other and holds the symbol visibility. However, on some
 997   // platforms, it can contain bit fields and regular values, or even sometimes a
 998   // crazy mix of them (see comments for NormalizedOther). Because of this, we
 999   // need special handling.
1000   MappingNormalization<NormalizedOther, Optional<uint8_t>> Keys(IO,
1001                                                                 Symbol.Other);
1002   IO.mapOptional("Other", Keys->Other);
1003 }
1004
1005 StringRef MappingTraits<ELFYAML::Symbol>::validate(IO &IO,
1006                                                    ELFYAML::Symbol &Symbol) {
1007   if (Symbol.Index && Symbol.Section.data())
1008     return "Index and Section cannot both be specified for Symbol";
1009   if (Symbol.NameIndex && !Symbol.Name.empty())
1010     return "Name and NameIndex cannot both be specified for Symbol";
1011   return StringRef();
1012 }
1013
1014 static void commonSectionMapping(IO &IO, ELFYAML::Section &Section) {
1015   IO.mapOptional("Name", Section.Name, StringRef());
1016   IO.mapRequired("Type", Section.Type);
1017   IO.mapOptional("Flags", Section.Flags);
1018   IO.mapOptional("Address", Section.Address, Hex64(0));
1019   IO.mapOptional("Link", Section.Link, StringRef());
1020   IO.mapOptional("AddressAlign", Section.AddressAlign, Hex64(0));
1021   IO.mapOptional("EntSize", Section.EntSize);
1022
1023   // obj2yaml does not dump these fields. They are expected to be empty when we
1024   // are producing YAML, because yaml2obj sets appropriate values for them
1025   // automatically when they are not explicitly defined.
1026   assert(!IO.outputting() ||
1027          (!Section.ShOffset.hasValue() && !Section.ShSize.hasValue() &&
1028           !Section.ShName.hasValue() && !Section.ShFlags.hasValue()));
1029   IO.mapOptional("ShName", Section.ShName);
1030   IO.mapOptional("ShOffset", Section.ShOffset);
1031   IO.mapOptional("ShSize", Section.ShSize);
1032   IO.mapOptional("ShFlags", Section.ShFlags);
1033 }
1034
1035 static void sectionMapping(IO &IO, ELFYAML::DynamicSection &Section) {
1036   commonSectionMapping(IO, Section);
1037   IO.mapOptional("Entries", Section.Entries);
1038   IO.mapOptional("Content", Section.Content);
1039 }
1040
1041 static void sectionMapping(IO &IO, ELFYAML::RawContentSection &Section) {
1042   commonSectionMapping(IO, Section);
1043   IO.mapOptional("Content", Section.Content);
1044   IO.mapOptional("Size", Section.Size);
1045   IO.mapOptional("Info", Section.Info);
1046 }
1047
1048 static void sectionMapping(IO &IO, ELFYAML::StackSizesSection &Section) {
1049   commonSectionMapping(IO, Section);
1050   IO.mapOptional("Content", Section.Content);
1051   IO.mapOptional("Size", Section.Size);
1052   IO.mapOptional("Entries", Section.Entries);
1053 }
1054
1055 static void sectionMapping(IO &IO, ELFYAML::HashSection &Section) {
1056   commonSectionMapping(IO, Section);
1057   IO.mapOptional("Content", Section.Content);
1058   IO.mapOptional("Bucket", Section.Bucket);
1059   IO.mapOptional("Chain", Section.Chain);
1060   IO.mapOptional("Size", Section.Size);
1061 }
1062
1063 static void sectionMapping(IO &IO, ELFYAML::NoteSection &Section) {
1064   commonSectionMapping(IO, Section);
1065   IO.mapOptional("Content", Section.Content);
1066   IO.mapOptional("Size", Section.Size);
1067   IO.mapOptional("Notes", Section.Notes);
1068 }
1069
1070
1071 static void sectionMapping(IO &IO, ELFYAML::GnuHashSection &Section) {
1072   commonSectionMapping(IO, Section);
1073   IO.mapOptional("Content", Section.Content);
1074   IO.mapOptional("Header", Section.Header);
1075   IO.mapOptional("BloomFilter", Section.BloomFilter);
1076   IO.mapOptional("HashBuckets", Section.HashBuckets);
1077   IO.mapOptional("HashValues", Section.HashValues);
1078 }
1079 static void sectionMapping(IO &IO, ELFYAML::NoBitsSection &Section) {
1080   commonSectionMapping(IO, Section);
1081   IO.mapOptional("Size", Section.Size, Hex64(0));
1082 }
1083
1084 static void sectionMapping(IO &IO, ELFYAML::VerdefSection &Section) {
1085   commonSectionMapping(IO, Section);
1086   IO.mapRequired("Info", Section.Info);
1087   IO.mapOptional("Entries", Section.Entries);
1088   IO.mapOptional("Content", Section.Content);
1089 }
1090
1091 static void sectionMapping(IO &IO, ELFYAML::SymverSection &Section) {
1092   commonSectionMapping(IO, Section);
1093   IO.mapRequired("Entries", Section.Entries);
1094 }
1095
1096 static void sectionMapping(IO &IO, ELFYAML::VerneedSection &Section) {
1097   commonSectionMapping(IO, Section);
1098   IO.mapRequired("Info", Section.Info);
1099   IO.mapOptional("Dependencies", Section.VerneedV);
1100   IO.mapOptional("Content", Section.Content);
1101 }
1102
1103 static void sectionMapping(IO &IO, ELFYAML::RelocationSection &Section) {
1104   commonSectionMapping(IO, Section);
1105   IO.mapOptional("Info", Section.RelocatableSec, StringRef());
1106   IO.mapOptional("Relocations", Section.Relocations);
1107 }
1108
1109 static void sectionMapping(IO &IO, ELFYAML::RelrSection &Section) {
1110   commonSectionMapping(IO, Section);
1111   IO.mapOptional("Entries", Section.Entries);
1112   IO.mapOptional("Content", Section.Content);
1113 }
1114
1115 static void groupSectionMapping(IO &IO, ELFYAML::Group &Group) {
1116   commonSectionMapping(IO, Group);
1117   IO.mapOptional("Info", Group.Signature);
1118   IO.mapRequired("Members", Group.Members);
1119 }
1120
1121 static void sectionMapping(IO &IO, ELFYAML::SymtabShndxSection &Section) {
1122   commonSectionMapping(IO, Section);
1123   IO.mapRequired("Entries", Section.Entries);
1124 }
1125
1126 static void sectionMapping(IO &IO, ELFYAML::AddrsigSection &Section) {
1127   commonSectionMapping(IO, Section);
1128   IO.mapOptional("Content", Section.Content);
1129   IO.mapOptional("Size", Section.Size);
1130   IO.mapOptional("Symbols", Section.Symbols);
1131 }
1132
1133 static void fillMapping(IO &IO, ELFYAML::Fill &Fill) {
1134   IO.mapOptional("Name", Fill.Name, StringRef());
1135   IO.mapOptional("Pattern", Fill.Pattern);
1136   IO.mapRequired("Size", Fill.Size);
1137 }
1138
1139 static void sectionMapping(IO &IO, ELFYAML::LinkerOptionsSection &Section) {
1140   commonSectionMapping(IO, Section);
1141   IO.mapOptional("Options", Section.Options);
1142   IO.mapOptional("Content", Section.Content);
1143 }
1144
1145 static void sectionMapping(IO &IO,
1146                            ELFYAML::DependentLibrariesSection &Section) {
1147   commonSectionMapping(IO, Section);
1148   IO.mapOptional("Libraries", Section.Libs);
1149   IO.mapOptional("Content", Section.Content);
1150 }
1151
1152 void MappingTraits<ELFYAML::SectionOrType>::mapping(
1153     IO &IO, ELFYAML::SectionOrType &sectionOrType) {
1154   IO.mapRequired("SectionOrType", sectionOrType.sectionNameOrType);
1155 }
1156
1157 void MappingTraits<ELFYAML::SectionName>::mapping(
1158     IO &IO, ELFYAML::SectionName &sectionName) {
1159   IO.mapRequired("Section", sectionName.Section);
1160 }
1161
1162 static void sectionMapping(IO &IO, ELFYAML::MipsABIFlags &Section) {
1163   commonSectionMapping(IO, Section);
1164   IO.mapOptional("Version", Section.Version, Hex16(0));
1165   IO.mapRequired("ISA", Section.ISALevel);
1166   IO.mapOptional("ISARevision", Section.ISARevision, Hex8(0));
1167   IO.mapOptional("ISAExtension", Section.ISAExtension,
1168                  ELFYAML::MIPS_AFL_EXT(Mips::AFL_EXT_NONE));
1169   IO.mapOptional("ASEs", Section.ASEs, ELFYAML::MIPS_AFL_ASE(0));
1170   IO.mapOptional("FpABI", Section.FpABI,
1171                  ELFYAML::MIPS_ABI_FP(Mips::Val_GNU_MIPS_ABI_FP_ANY));
1172   IO.mapOptional("GPRSize", Section.GPRSize,
1173                  ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE));
1174   IO.mapOptional("CPR1Size", Section.CPR1Size,
1175                  ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE));
1176   IO.mapOptional("CPR2Size", Section.CPR2Size,
1177                  ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE));
1178   IO.mapOptional("Flags1", Section.Flags1, ELFYAML::MIPS_AFL_FLAGS1(0));
1179   IO.mapOptional("Flags2", Section.Flags2, Hex32(0));
1180 }
1181
1182 void MappingTraits<std::unique_ptr<ELFYAML::Chunk>>::mapping(
1183     IO &IO, std::unique_ptr<ELFYAML::Chunk> &Section) {
1184   ELFYAML::ELF_SHT Type;
1185   if (IO.outputting()) {
1186     Type = cast<ELFYAML::Section>(Section.get())->Type;
1187   } else {
1188     // When the Type string does not have a "SHT_" prefix, we know it is not a
1189     // description of a regular ELF output section. Currently, we have one
1190     // special type named "Fill". See comments for Fill.
1191     StringRef StrType;
1192     IO.mapRequired("Type", StrType);
1193     if (StrType == "Fill") {
1194       Section.reset(new ELFYAML::Fill());
1195       fillMapping(IO, *cast<ELFYAML::Fill>(Section.get()));
1196       return;
1197     }
1198
1199     IO.mapRequired("Type", Type);
1200   }
1201
1202   switch (Type) {
1203   case ELF::SHT_DYNAMIC:
1204     if (!IO.outputting())
1205       Section.reset(new ELFYAML::DynamicSection());
1206     sectionMapping(IO, *cast<ELFYAML::DynamicSection>(Section.get()));
1207     break;
1208   case ELF::SHT_REL:
1209   case ELF::SHT_RELA:
1210     if (!IO.outputting())
1211       Section.reset(new ELFYAML::RelocationSection());
1212     sectionMapping(IO, *cast<ELFYAML::RelocationSection>(Section.get()));
1213     break;
1214   case ELF::SHT_RELR:
1215     if (!IO.outputting())
1216       Section.reset(new ELFYAML::RelrSection());
1217     sectionMapping(IO, *cast<ELFYAML::RelrSection>(Section.get()));
1218     break;
1219   case ELF::SHT_GROUP:
1220     if (!IO.outputting())
1221       Section.reset(new ELFYAML::Group());
1222     groupSectionMapping(IO, *cast<ELFYAML::Group>(Section.get()));
1223     break;
1224   case ELF::SHT_NOBITS:
1225     if (!IO.outputting())
1226       Section.reset(new ELFYAML::NoBitsSection());
1227     sectionMapping(IO, *cast<ELFYAML::NoBitsSection>(Section.get()));
1228     break;
1229   case ELF::SHT_HASH:
1230     if (!IO.outputting())
1231       Section.reset(new ELFYAML::HashSection());
1232     sectionMapping(IO, *cast<ELFYAML::HashSection>(Section.get()));
1233     break;
1234   case ELF::SHT_NOTE:
1235     if (!IO.outputting())
1236       Section.reset(new ELFYAML::NoteSection());
1237     sectionMapping(IO, *cast<ELFYAML::NoteSection>(Section.get()));
1238     break;
1239  case ELF::SHT_GNU_HASH:
1240     if (!IO.outputting())
1241       Section.reset(new ELFYAML::GnuHashSection());
1242     sectionMapping(IO, *cast<ELFYAML::GnuHashSection>(Section.get()));
1243     break;
1244   case ELF::SHT_MIPS_ABIFLAGS:
1245     if (!IO.outputting())
1246       Section.reset(new ELFYAML::MipsABIFlags());
1247     sectionMapping(IO, *cast<ELFYAML::MipsABIFlags>(Section.get()));
1248     break;
1249   case ELF::SHT_GNU_verdef:
1250     if (!IO.outputting())
1251       Section.reset(new ELFYAML::VerdefSection());
1252     sectionMapping(IO, *cast<ELFYAML::VerdefSection>(Section.get()));
1253     break;
1254   case ELF::SHT_GNU_versym:
1255     if (!IO.outputting())
1256       Section.reset(new ELFYAML::SymverSection());
1257     sectionMapping(IO, *cast<ELFYAML::SymverSection>(Section.get()));
1258     break;
1259   case ELF::SHT_GNU_verneed:
1260     if (!IO.outputting())
1261       Section.reset(new ELFYAML::VerneedSection());
1262     sectionMapping(IO, *cast<ELFYAML::VerneedSection>(Section.get()));
1263     break;
1264   case ELF::SHT_SYMTAB_SHNDX:
1265     if (!IO.outputting())
1266       Section.reset(new ELFYAML::SymtabShndxSection());
1267     sectionMapping(IO, *cast<ELFYAML::SymtabShndxSection>(Section.get()));
1268     break;
1269   case ELF::SHT_LLVM_ADDRSIG:
1270     if (!IO.outputting())
1271       Section.reset(new ELFYAML::AddrsigSection());
1272     sectionMapping(IO, *cast<ELFYAML::AddrsigSection>(Section.get()));
1273     break;
1274   case ELF::SHT_LLVM_LINKER_OPTIONS:
1275     if (!IO.outputting())
1276       Section.reset(new ELFYAML::LinkerOptionsSection());
1277     sectionMapping(IO, *cast<ELFYAML::LinkerOptionsSection>(Section.get()));
1278     break;
1279   case ELF::SHT_LLVM_DEPENDENT_LIBRARIES:
1280     if (!IO.outputting())
1281       Section.reset(new ELFYAML::DependentLibrariesSection());
1282     sectionMapping(IO,
1283                    *cast<ELFYAML::DependentLibrariesSection>(Section.get()));
1284     break;
1285   default:
1286     if (!IO.outputting()) {
1287       StringRef Name;
1288       IO.mapOptional("Name", Name, StringRef());
1289       Name = ELFYAML::dropUniqueSuffix(Name);
1290
1291       if (ELFYAML::StackSizesSection::nameMatches(Name))
1292         Section = std::make_unique<ELFYAML::StackSizesSection>();
1293       else
1294         Section = std::make_unique<ELFYAML::RawContentSection>();
1295     }
1296
1297     if (auto S = dyn_cast<ELFYAML::RawContentSection>(Section.get()))
1298       sectionMapping(IO, *S);
1299     else
1300       sectionMapping(IO, *cast<ELFYAML::StackSizesSection>(Section.get()));
1301   }
1302 }
1303
1304 StringRef MappingTraits<std::unique_ptr<ELFYAML::Chunk>>::validate(
1305     IO &io, std::unique_ptr<ELFYAML::Chunk> &C) {
1306   if (const auto *RawSection = dyn_cast<ELFYAML::RawContentSection>(C.get())) {
1307     if (RawSection->Size && RawSection->Content &&
1308         (uint64_t)(*RawSection->Size) < RawSection->Content->binary_size())
1309       return "Section size must be greater than or equal to the content size";
1310     if (RawSection->Flags && RawSection->ShFlags)
1311       return "ShFlags and Flags cannot be used together";
1312     return {};
1313   }
1314
1315   if (const auto *SS = dyn_cast<ELFYAML::StackSizesSection>(C.get())) {
1316     if (!SS->Entries && !SS->Content && !SS->Size)
1317       return ".stack_sizes: one of Content, Entries and Size must be specified";
1318
1319     if (SS->Size && SS->Content &&
1320         (uint64_t)(*SS->Size) < SS->Content->binary_size())
1321       return ".stack_sizes: Size must be greater than or equal to the content "
1322              "size";
1323
1324     // We accept Content, Size or both together when there are no Entries.
1325     if (!SS->Entries)
1326       return {};
1327
1328     if (SS->Size)
1329       return ".stack_sizes: Size and Entries cannot be used together";
1330     if (SS->Content)
1331       return ".stack_sizes: Content and Entries cannot be used together";
1332     return {};
1333   }
1334
1335   if (const auto *HS = dyn_cast<ELFYAML::HashSection>(C.get())) {
1336     if (!HS->Content && !HS->Bucket && !HS->Chain && !HS->Size)
1337       return "one of \"Content\", \"Size\", \"Bucket\" or \"Chain\" must be "
1338              "specified";
1339
1340     if (HS->Content || HS->Size) {
1341       if (HS->Size && HS->Content &&
1342           (uint64_t)*HS->Size < HS->Content->binary_size())
1343         return "\"Size\" must be greater than or equal to the content "
1344                "size";
1345
1346       if (HS->Bucket)
1347         return "\"Bucket\" cannot be used with \"Content\" or \"Size\"";
1348       if (HS->Chain)
1349         return "\"Chain\" cannot be used with \"Content\" or \"Size\"";
1350       return {};
1351     }
1352
1353     if ((HS->Bucket && !HS->Chain) || (!HS->Bucket && HS->Chain))
1354       return "\"Bucket\" and \"Chain\" must be used together";
1355     return {};
1356   }
1357
1358   if (const auto *Sec = dyn_cast<ELFYAML::AddrsigSection>(C.get())) {
1359     if (!Sec->Symbols && !Sec->Content && !Sec->Size)
1360       return "one of \"Content\", \"Size\" or \"Symbols\" must be specified";
1361
1362     if (Sec->Content || Sec->Size) {
1363       if (Sec->Size && Sec->Content &&
1364           (uint64_t)*Sec->Size < Sec->Content->binary_size())
1365         return "\"Size\" must be greater than or equal to the content "
1366                "size";
1367
1368       if (Sec->Symbols)
1369         return "\"Symbols\" cannot be used with \"Content\" or \"Size\"";
1370       return {};
1371     }
1372
1373     if (!Sec->Symbols)
1374       return {};
1375
1376     for (const ELFYAML::AddrsigSymbol &AS : *Sec->Symbols)
1377       if (AS.Index && AS.Name)
1378         return "\"Index\" and \"Name\" cannot be used together when defining a "
1379                "symbol";
1380     return {};
1381   }
1382
1383   if (const auto *NS = dyn_cast<ELFYAML::NoteSection>(C.get())) {
1384     if (!NS->Content && !NS->Size && !NS->Notes)
1385       return "one of \"Content\", \"Size\" or \"Notes\" must be "
1386              "specified";
1387
1388     if (!NS->Content && !NS->Size)
1389       return {};
1390
1391     if (NS->Size && NS->Content &&
1392         (uint64_t)*NS->Size < NS->Content->binary_size())
1393       return "\"Size\" must be greater than or equal to the content "
1394              "size";
1395
1396     if (NS->Notes)
1397       return "\"Notes\" cannot be used with \"Content\" or \"Size\"";
1398     return {};
1399   }
1400
1401   if (const auto *Sec = dyn_cast<ELFYAML::GnuHashSection>(C.get())) {
1402     if (!Sec->Content && !Sec->Header && !Sec->BloomFilter &&
1403         !Sec->HashBuckets && !Sec->HashValues)
1404       return "either \"Content\" or \"Header\", \"BloomFilter\", "
1405              "\"HashBuckets\" and \"HashBuckets\" must be specified";
1406
1407     if (Sec->Header || Sec->BloomFilter || Sec->HashBuckets ||
1408         Sec->HashValues) {
1409       if (!Sec->Header || !Sec->BloomFilter || !Sec->HashBuckets ||
1410           !Sec->HashValues)
1411         return "\"Header\", \"BloomFilter\", "
1412                "\"HashBuckets\" and \"HashValues\" must be used together";
1413       if (Sec->Content)
1414         return "\"Header\", \"BloomFilter\", "
1415                "\"HashBuckets\" and \"HashValues\" can't be used together with "
1416                "\"Content\"";
1417       return {};
1418     }
1419
1420     // Only Content is specified.
1421     return {};
1422   }
1423
1424   if (const auto *Sec = dyn_cast<ELFYAML::LinkerOptionsSection>(C.get())) {
1425     if (Sec->Options && Sec->Content)
1426       return "\"Options\" and \"Content\" can't be used together";
1427     return {};
1428   }
1429
1430   if (const auto *Sec = dyn_cast<ELFYAML::DependentLibrariesSection>(C.get())) {
1431     if (Sec->Libs && Sec->Content)
1432       return "SHT_LLVM_DEPENDENT_LIBRARIES: \"Libraries\" and \"Content\" "
1433              "can't "
1434              "be used together";
1435     return {};
1436   }
1437
1438   if (const auto *F = dyn_cast<ELFYAML::Fill>(C.get())) {
1439     if (!F->Pattern)
1440       return {};
1441     if (F->Pattern->binary_size() != 0 && !F->Size)
1442       return "\"Size\" can't be 0 when \"Pattern\" is not empty";
1443     return {};
1444   }
1445
1446   if (const auto *VD = dyn_cast<ELFYAML::VerdefSection>(C.get())) {
1447     if (VD->Entries && VD->Content)
1448       return "SHT_GNU_verdef: \"Entries\" and \"Content\" can't be used "
1449              "together";
1450     return {};
1451   }
1452
1453   if (const auto *VD = dyn_cast<ELFYAML::VerneedSection>(C.get())) {
1454     if (VD->VerneedV && VD->Content)
1455       return "SHT_GNU_verneed: \"Dependencies\" and \"Content\" can't be used "
1456              "together";
1457     return {};
1458   }
1459
1460   if (const auto *RS = dyn_cast<ELFYAML::RelrSection>(C.get())) {
1461     if (RS->Entries && RS->Content)
1462       return "\"Entries\" and \"Content\" can't be used together";
1463     return {};
1464   }
1465
1466   return {};
1467 }
1468
1469 namespace {
1470
1471 struct NormalizedMips64RelType {
1472   NormalizedMips64RelType(IO &)
1473       : Type(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)),
1474         Type2(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)),
1475         Type3(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)),
1476         SpecSym(ELFYAML::ELF_REL(ELF::RSS_UNDEF)) {}
1477   NormalizedMips64RelType(IO &, ELFYAML::ELF_REL Original)
1478       : Type(Original & 0xFF), Type2(Original >> 8 & 0xFF),
1479         Type3(Original >> 16 & 0xFF), SpecSym(Original >> 24 & 0xFF) {}
1480
1481   ELFYAML::ELF_REL denormalize(IO &) {
1482     ELFYAML::ELF_REL Res = Type | Type2 << 8 | Type3 << 16 | SpecSym << 24;
1483     return Res;
1484   }
1485
1486   ELFYAML::ELF_REL Type;
1487   ELFYAML::ELF_REL Type2;
1488   ELFYAML::ELF_REL Type3;
1489   ELFYAML::ELF_RSS SpecSym;
1490 };
1491
1492 } // end anonymous namespace
1493
1494 void MappingTraits<ELFYAML::StackSizeEntry>::mapping(
1495     IO &IO, ELFYAML::StackSizeEntry &E) {
1496   assert(IO.getContext() && "The IO context is not initialized");
1497   IO.mapOptional("Address", E.Address, Hex64(0));
1498   IO.mapRequired("Size", E.Size);
1499 }
1500
1501 void MappingTraits<ELFYAML::GnuHashHeader>::mapping(IO &IO,
1502                                                     ELFYAML::GnuHashHeader &E) {
1503   assert(IO.getContext() && "The IO context is not initialized");
1504   IO.mapOptional("NBuckets", E.NBuckets);
1505   IO.mapRequired("SymNdx", E.SymNdx);
1506   IO.mapOptional("MaskWords", E.MaskWords);
1507   IO.mapRequired("Shift2", E.Shift2);
1508 }
1509
1510 void MappingTraits<ELFYAML::DynamicEntry>::mapping(IO &IO,
1511                                                    ELFYAML::DynamicEntry &Rel) {
1512   assert(IO.getContext() && "The IO context is not initialized");
1513
1514   IO.mapRequired("Tag", Rel.Tag);
1515   IO.mapRequired("Value", Rel.Val);
1516 }
1517
1518 void MappingTraits<ELFYAML::NoteEntry>::mapping(IO &IO, ELFYAML::NoteEntry &N) {
1519   assert(IO.getContext() && "The IO context is not initialized");
1520
1521   IO.mapOptional("Name", N.Name);
1522   IO.mapOptional("Desc", N.Desc);
1523   IO.mapRequired("Type", N.Type);
1524 }
1525
1526 void MappingTraits<ELFYAML::VerdefEntry>::mapping(IO &IO,
1527                                                   ELFYAML::VerdefEntry &E) {
1528   assert(IO.getContext() && "The IO context is not initialized");
1529
1530   IO.mapRequired("Version", E.Version);
1531   IO.mapRequired("Flags", E.Flags);
1532   IO.mapRequired("VersionNdx", E.VersionNdx);
1533   IO.mapRequired("Hash", E.Hash);
1534   IO.mapRequired("Names", E.VerNames);
1535 }
1536
1537 void MappingTraits<ELFYAML::VerneedEntry>::mapping(IO &IO,
1538                                                    ELFYAML::VerneedEntry &E) {
1539   assert(IO.getContext() && "The IO context is not initialized");
1540
1541   IO.mapRequired("Version", E.Version);
1542   IO.mapRequired("File", E.File);
1543   IO.mapRequired("Entries", E.AuxV);
1544 }
1545
1546 void MappingTraits<ELFYAML::VernauxEntry>::mapping(IO &IO,
1547                                                    ELFYAML::VernauxEntry &E) {
1548   assert(IO.getContext() && "The IO context is not initialized");
1549
1550   IO.mapRequired("Name", E.Name);
1551   IO.mapRequired("Hash", E.Hash);
1552   IO.mapRequired("Flags", E.Flags);
1553   IO.mapRequired("Other", E.Other);
1554 }
1555
1556 void MappingTraits<ELFYAML::Relocation>::mapping(IO &IO,
1557                                                  ELFYAML::Relocation &Rel) {
1558   const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
1559   assert(Object && "The IO context is not initialized");
1560
1561   IO.mapRequired("Offset", Rel.Offset);
1562   IO.mapOptional("Symbol", Rel.Symbol);
1563
1564   if (Object->Header.Machine == ELFYAML::ELF_EM(ELF::EM_MIPS) &&
1565       Object->Header.Class == ELFYAML::ELF_ELFCLASS(ELF::ELFCLASS64)) {
1566     MappingNormalization<NormalizedMips64RelType, ELFYAML::ELF_REL> Key(
1567         IO, Rel.Type);
1568     IO.mapRequired("Type", Key->Type);
1569     IO.mapOptional("Type2", Key->Type2, ELFYAML::ELF_REL(ELF::R_MIPS_NONE));
1570     IO.mapOptional("Type3", Key->Type3, ELFYAML::ELF_REL(ELF::R_MIPS_NONE));
1571     IO.mapOptional("SpecSym", Key->SpecSym, ELFYAML::ELF_RSS(ELF::RSS_UNDEF));
1572   } else
1573     IO.mapRequired("Type", Rel.Type);
1574
1575   IO.mapOptional("Addend", Rel.Addend, (int64_t)0);
1576 }
1577
1578 void MappingTraits<ELFYAML::Object>::mapping(IO &IO, ELFYAML::Object &Object) {
1579   assert(!IO.getContext() && "The IO context is initialized already");
1580   IO.setContext(&Object);
1581   IO.mapTag("!ELF", true);
1582   IO.mapRequired("FileHeader", Object.Header);
1583   IO.mapOptional("ProgramHeaders", Object.ProgramHeaders);
1584   IO.mapOptional("Sections", Object.Chunks);
1585   IO.mapOptional("Symbols", Object.Symbols);
1586   IO.mapOptional("DynamicSymbols", Object.DynamicSymbols);
1587   IO.setContext(nullptr);
1588 }
1589
1590 void MappingTraits<ELFYAML::AddrsigSymbol>::mapping(IO &IO, ELFYAML::AddrsigSymbol &Sym) {
1591   assert(IO.getContext() && "The IO context is not initialized");
1592   IO.mapOptional("Name", Sym.Name);
1593   IO.mapOptional("Index", Sym.Index);
1594 }
1595
1596 void MappingTraits<ELFYAML::LinkerOption>::mapping(IO &IO,
1597                                                    ELFYAML::LinkerOption &Opt) {
1598   assert(IO.getContext() && "The IO context is not initialized");
1599   IO.mapRequired("Name", Opt.Key);
1600   IO.mapRequired("Value", Opt.Value);
1601 }
1602
1603 LLVM_YAML_STRONG_TYPEDEF(uint8_t, MIPS_AFL_REG)
1604 LLVM_YAML_STRONG_TYPEDEF(uint8_t, MIPS_ABI_FP)
1605 LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_EXT)
1606 LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_ASE)
1607 LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_FLAGS1)
1608
1609 } // end namespace yaml
1610
1611 } // end namespace llvm