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