text: //===- ELFYAML.cpp - ELF YAMLIO implementation ----------------------------===//
  //
  // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  // See https://llvm.org/LICENSE.txt for license information.
  // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  //
  //===----------------------------------------------------------------------===//
  //
  // This file defines classes for handling the YAML representation of ELF.
  //
  //===----------------------------------------------------------------------===//
  
  #include "llvm/ObjectYAML/ELFYAML.h"
  #include "llvm/ADT/StringRef.h"
  #include "llvm/BinaryFormat/ELF.h"
  #include "llvm/Support/Casting.h"
  #include "llvm/Support/ErrorHandling.h"
  #include "llvm/Support/MipsABIFlags.h"
  #include "llvm/Support/YAMLTraits.h"
  #include <cassert>
  #include <cstdint>
  
  namespace llvm {
  
  ELFYAML::Section::~Section() = default;
  
  namespace yaml {
  
  void ScalarEnumerationTraits<ELFYAML::ELF_ET>::enumeration(
      IO &IO, ELFYAML::ELF_ET &Value) {
  #define ECase(X) IO.enumCase(Value, #X, ELF::X)
    ECase(ET_NONE);
    ECase(ET_REL);
    ECase(ET_EXEC);
    ECase(ET_DYN);
    ECase(ET_CORE);
  #undef ECase
    IO.enumFallback<Hex16>(Value);
  }
  
  void ScalarEnumerationTraits<ELFYAML::ELF_PT>::enumeration(
      IO &IO, ELFYAML::ELF_PT &Value) {
  #define ECase(X) IO.enumCase(Value, #X, ELF::X)
    ECase(PT_NULL);
    ECase(PT_LOAD);
    ECase(PT_DYNAMIC);
    ECase(PT_INTERP);
    ECase(PT_NOTE);
    ECase(PT_SHLIB);
    ECase(PT_PHDR);
    ECase(PT_TLS);
    ECase(PT_GNU_EH_FRAME);
  #undef ECase
    IO.enumFallback<Hex32>(Value);
  }
  
  void ScalarEnumerationTraits<ELFYAML::ELF_EM>::enumeration(
      IO &IO, ELFYAML::ELF_EM &Value) {
  #define ECase(X) IO.enumCase(Value, #X, ELF::X)
    ECase(EM_NONE);
    ECase(EM_M32);
    ECase(EM_SPARC);
    ECase(EM_386);
    ECase(EM_68K);
    ECase(EM_88K);
    ECase(EM_IAMCU);
    ECase(EM_860);
    ECase(EM_MIPS);
    ECase(EM_S370);
    ECase(EM_MIPS_RS3_LE);
    ECase(EM_PARISC);
    ECase(EM_VPP500);
    ECase(EM_SPARC32PLUS);
    ECase(EM_960);
    ECase(EM_PPC);
    ECase(EM_PPC64);
    ECase(EM_S390);
    ECase(EM_SPU);
    ECase(EM_V800);
    ECase(EM_FR20);
    ECase(EM_RH32);
    ECase(EM_RCE);
    ECase(EM_ARM);
    ECase(EM_ALPHA);
    ECase(EM_SH);
    ECase(EM_SPARCV9);
    ECase(EM_TRICORE);
    ECase(EM_ARC);
    ECase(EM_H8_300);
    ECase(EM_H8_300H);
    ECase(EM_H8S);
    ECase(EM_H8_500);
    ECase(EM_IA_64);
    ECase(EM_MIPS_X);
    ECase(EM_COLDFIRE);
    ECase(EM_68HC12);
    ECase(EM_MMA);
    ECase(EM_PCP);
    ECase(EM_NCPU);
    ECase(EM_NDR1);
    ECase(EM_STARCORE);
    ECase(EM_ME16);
    ECase(EM_ST100);
    ECase(EM_TINYJ);
    ECase(EM_X86_64);
    ECase(EM_PDSP);
    ECase(EM_PDP10);
    ECase(EM_PDP11);
    ECase(EM_FX66);
    ECase(EM_ST9PLUS);
    ECase(EM_ST7);
    ECase(EM_68HC16);
    ECase(EM_68HC11);
    ECase(EM_68HC08);
    ECase(EM_68HC05);
    ECase(EM_SVX);
    ECase(EM_ST19);
    ECase(EM_VAX);
    ECase(EM_CRIS);
    ECase(EM_JAVELIN);
    ECase(EM_FIREPATH);
    ECase(EM_ZSP);
    ECase(EM_MMIX);
    ECase(EM_HUANY);
    ECase(EM_PRISM);
    ECase(EM_AVR);
    ECase(EM_FR30);
    ECase(EM_D10V);
    ECase(EM_D30V);
    ECase(EM_V850);
    ECase(EM_M32R);
    ECase(EM_MN10300);
    ECase(EM_MN10200);
    ECase(EM_PJ);
    ECase(EM_OPENRISC);
    ECase(EM_ARC_COMPACT);
    ECase(EM_XTENSA);
    ECase(EM_VIDEOCORE);
    ECase(EM_TMM_GPP);
    ECase(EM_NS32K);
    ECase(EM_TPC);
    ECase(EM_SNP1K);
    ECase(EM_ST200);
    ECase(EM_IP2K);
    ECase(EM_MAX);
    ECase(EM_CR);
    ECase(EM_F2MC16);
    ECase(EM_MSP430);
    ECase(EM_BLACKFIN);
    ECase(EM_SE_C33);
    ECase(EM_SEP);
    ECase(EM_ARCA);
    ECase(EM_UNICORE);
    ECase(EM_EXCESS);
    ECase(EM_DXP);
    ECase(EM_ALTERA_NIOS2);
    ECase(EM_CRX);
    ECase(EM_XGATE);
    ECase(EM_C166);
    ECase(EM_M16C);
    ECase(EM_DSPIC30F);
    ECase(EM_CE);
    ECase(EM_M32C);
    ECase(EM_TSK3000);
    ECase(EM_RS08);
    ECase(EM_SHARC);
    ECase(EM_ECOG2);
    ECase(EM_SCORE7);
    ECase(EM_DSP24);
    ECase(EM_VIDEOCORE3);
    ECase(EM_LATTICEMICO32);
    ECase(EM_SE_C17);
    ECase(EM_TI_C6000);
    ECase(EM_TI_C2000);
    ECase(EM_TI_C5500);
    ECase(EM_MMDSP_PLUS);
    ECase(EM_CYPRESS_M8C);
    ECase(EM_R32C);
    ECase(EM_TRIMEDIA);
    ECase(EM_HEXAGON);
    ECase(EM_8051);
    ECase(EM_STXP7X);
    ECase(EM_NDS32);
    ECase(EM_ECOG1);
    ECase(EM_ECOG1X);
    ECase(EM_MAXQ30);
    ECase(EM_XIMO16);
    ECase(EM_MANIK);
    ECase(EM_CRAYNV2);
    ECase(EM_RX);
    ECase(EM_METAG);
    ECase(EM_MCST_ELBRUS);
    ECase(EM_ECOG16);
    ECase(EM_CR16);
    ECase(EM_ETPU);
    ECase(EM_SLE9X);
    ECase(EM_L10M);
    ECase(EM_K10M);
    ECase(EM_AARCH64);
    ECase(EM_AVR32);
    ECase(EM_STM8);
    ECase(EM_TILE64);
    ECase(EM_TILEPRO);
    ECase(EM_CUDA);
    ECase(EM_TILEGX);
    ECase(EM_CLOUDSHIELD);
    ECase(EM_COREA_1ST);
    ECase(EM_COREA_2ND);
    ECase(EM_ARC_COMPACT2);
    ECase(EM_OPEN8);
    ECase(EM_RL78);
    ECase(EM_VIDEOCORE5);
    ECase(EM_78KOR);
    ECase(EM_56800EX);
    ECase(EM_AMDGPU);
    ECase(EM_RISCV);
    ECase(EM_LANAI);
    ECase(EM_BPF);
  #undef ECase
  }
  
  void ScalarEnumerationTraits<ELFYAML::ELF_ELFCLASS>::enumeration(
      IO &IO, ELFYAML::ELF_ELFCLASS &Value) {
  #define ECase(X) IO.enumCase(Value, #X, ELF::X)
    // Since the semantics of ELFCLASSNONE is "invalid", just don't accept it
    // here.
    ECase(ELFCLASS32);
    ECase(ELFCLASS64);
  #undef ECase
  }
  
  void ScalarEnumerationTraits<ELFYAML::ELF_ELFDATA>::enumeration(
      IO &IO, ELFYAML::ELF_ELFDATA &Value) {
  #define ECase(X) IO.enumCase(Value, #X, ELF::X)
    // ELFDATANONE is an invalid data encoding, but we accept it because
    // we want to be able to produce invalid binaries for the tests.
    ECase(ELFDATANONE);
    ECase(ELFDATA2LSB);
    ECase(ELFDATA2MSB);
  #undef ECase
  }
  
  void ScalarEnumerationTraits<ELFYAML::ELF_ELFOSABI>::enumeration(
      IO &IO, ELFYAML::ELF_ELFOSABI &Value) {
  #define ECase(X) IO.enumCase(Value, #X, ELF::X)
    ECase(ELFOSABI_NONE);
    ECase(ELFOSABI_HPUX);
    ECase(ELFOSABI_NETBSD);
    ECase(ELFOSABI_GNU);
    ECase(ELFOSABI_HURD);
    ECase(ELFOSABI_SOLARIS);
    ECase(ELFOSABI_AIX);
    ECase(ELFOSABI_IRIX);
    ECase(ELFOSABI_FREEBSD);
    ECase(ELFOSABI_TRU64);
    ECase(ELFOSABI_MODESTO);
    ECase(ELFOSABI_OPENBSD);
    ECase(ELFOSABI_OPENVMS);
    ECase(ELFOSABI_NSK);
    ECase(ELFOSABI_AROS);
    ECase(ELFOSABI_FENIXOS);
    ECase(ELFOSABI_CLOUDABI);
    ECase(ELFOSABI_AMDGPU_HSA);
    ECase(ELFOSABI_AMDGPU_PAL);
    ECase(ELFOSABI_AMDGPU_MESA3D);
    ECase(ELFOSABI_ARM);
    ECase(ELFOSABI_C6000_ELFABI);
    ECase(ELFOSABI_C6000_LINUX);
    ECase(ELFOSABI_STANDALONE);
  #undef ECase
  }
  
  void ScalarBitSetTraits<ELFYAML::ELF_EF>::bitset(IO &IO,
                                                   ELFYAML::ELF_EF &Value) {
    const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
    assert(Object && "The IO context is not initialized");
  #define BCase(X) IO.bitSetCase(Value, #X, ELF::X)
  #define BCaseMask(X, M) IO.maskedBitSetCase(Value, #X, ELF::X, ELF::M)
    switch (Object->Header.Machine) {
    case ELF::EM_ARM:
      BCase(EF_ARM_SOFT_FLOAT);
      BCase(EF_ARM_VFP_FLOAT);
      BCaseMask(EF_ARM_EABI_UNKNOWN, EF_ARM_EABIMASK);
      BCaseMask(EF_ARM_EABI_VER1, EF_ARM_EABIMASK);
      BCaseMask(EF_ARM_EABI_VER2, EF_ARM_EABIMASK);
      BCaseMask(EF_ARM_EABI_VER3, EF_ARM_EABIMASK);
      BCaseMask(EF_ARM_EABI_VER4, EF_ARM_EABIMASK);
      BCaseMask(EF_ARM_EABI_VER5, EF_ARM_EABIMASK);
      break;
    case ELF::EM_MIPS:
      BCase(EF_MIPS_NOREORDER);
      BCase(EF_MIPS_PIC);
      BCase(EF_MIPS_CPIC);
      BCase(EF_MIPS_ABI2);
      BCase(EF_MIPS_32BITMODE);
      BCase(EF_MIPS_FP64);
      BCase(EF_MIPS_NAN2008);
      BCase(EF_MIPS_MICROMIPS);
      BCase(EF_MIPS_ARCH_ASE_M16);
      BCase(EF_MIPS_ARCH_ASE_MDMX);
      BCaseMask(EF_MIPS_ABI_O32, EF_MIPS_ABI);
      BCaseMask(EF_MIPS_ABI_O64, EF_MIPS_ABI);
      BCaseMask(EF_MIPS_ABI_EABI32, EF_MIPS_ABI);
      BCaseMask(EF_MIPS_ABI_EABI64, EF_MIPS_ABI);
      BCaseMask(EF_MIPS_MACH_3900, EF_MIPS_MACH);
      BCaseMask(EF_MIPS_MACH_4010, EF_MIPS_MACH);
      BCaseMask(EF_MIPS_MACH_4100, EF_MIPS_MACH);
      BCaseMask(EF_MIPS_MACH_4650, EF_MIPS_MACH);
      BCaseMask(EF_MIPS_MACH_4120, EF_MIPS_MACH);
      BCaseMask(EF_MIPS_MACH_4111, EF_MIPS_MACH);
      BCaseMask(EF_MIPS_MACH_SB1, EF_MIPS_MACH);
      BCaseMask(EF_MIPS_MACH_OCTEON, EF_MIPS_MACH);
      BCaseMask(EF_MIPS_MACH_XLR, EF_MIPS_MACH);
      BCaseMask(EF_MIPS_MACH_OCTEON2, EF_MIPS_MACH);
      BCaseMask(EF_MIPS_MACH_OCTEON3, EF_MIPS_MACH);
      BCaseMask(EF_MIPS_MACH_5400, EF_MIPS_MACH);
      BCaseMask(EF_MIPS_MACH_5900, EF_MIPS_MACH);
      BCaseMask(EF_MIPS_MACH_5500, EF_MIPS_MACH);
      BCaseMask(EF_MIPS_MACH_9000, EF_MIPS_MACH);
      BCaseMask(EF_MIPS_MACH_LS2E, EF_MIPS_MACH);
      BCaseMask(EF_MIPS_MACH_LS2F, EF_MIPS_MACH);
      BCaseMask(EF_MIPS_MACH_LS3A, EF_MIPS_MACH);
      BCaseMask(EF_MIPS_ARCH_1, EF_MIPS_ARCH);
      BCaseMask(EF_MIPS_ARCH_2, EF_MIPS_ARCH);
      BCaseMask(EF_MIPS_ARCH_3, EF_MIPS_ARCH);
      BCaseMask(EF_MIPS_ARCH_4, EF_MIPS_ARCH);
      BCaseMask(EF_MIPS_ARCH_5, EF_MIPS_ARCH);
      BCaseMask(EF_MIPS_ARCH_32, EF_MIPS_ARCH);
      BCaseMask(EF_MIPS_ARCH_64, EF_MIPS_ARCH);
      BCaseMask(EF_MIPS_ARCH_32R2, EF_MIPS_ARCH);
      BCaseMask(EF_MIPS_ARCH_64R2, EF_MIPS_ARCH);
      BCaseMask(EF_MIPS_ARCH_32R6, EF_MIPS_ARCH);
      BCaseMask(EF_MIPS_ARCH_64R6, EF_MIPS_ARCH);
      break;
    case ELF::EM_HEXAGON:
      BCase(EF_HEXAGON_MACH_V2);
      BCase(EF_HEXAGON_MACH_V3);
      BCase(EF_HEXAGON_MACH_V4);
      BCase(EF_HEXAGON_MACH_V5);
      BCase(EF_HEXAGON_MACH_V55);
      BCase(EF_HEXAGON_MACH_V60);
      BCase(EF_HEXAGON_MACH_V62);
      BCase(EF_HEXAGON_MACH_V65);
      BCase(EF_HEXAGON_ISA_V2);
      BCase(EF_HEXAGON_ISA_V3);
      BCase(EF_HEXAGON_ISA_V4);
      BCase(EF_HEXAGON_ISA_V5);
      BCase(EF_HEXAGON_ISA_V55);
      BCase(EF_HEXAGON_ISA_V60);
      BCase(EF_HEXAGON_ISA_V62);
      BCase(EF_HEXAGON_ISA_V65);
      break;
    case ELF::EM_AVR:
      BCase(EF_AVR_ARCH_AVR1);
      BCase(EF_AVR_ARCH_AVR2);
      BCase(EF_AVR_ARCH_AVR25);
      BCase(EF_AVR_ARCH_AVR3);
      BCase(EF_AVR_ARCH_AVR31);
      BCase(EF_AVR_ARCH_AVR35);
      BCase(EF_AVR_ARCH_AVR4);
      BCase(EF_AVR_ARCH_AVR51);
      BCase(EF_AVR_ARCH_AVR6);
      BCase(EF_AVR_ARCH_AVRTINY);
      BCase(EF_AVR_ARCH_XMEGA1);
      BCase(EF_AVR_ARCH_XMEGA2);
      BCase(EF_AVR_ARCH_XMEGA3);
      BCase(EF_AVR_ARCH_XMEGA4);
      BCase(EF_AVR_ARCH_XMEGA5);
      BCase(EF_AVR_ARCH_XMEGA6);
      BCase(EF_AVR_ARCH_XMEGA7);
      break;
    case ELF::EM_RISCV:
      BCase(EF_RISCV_RVC);
      BCaseMask(EF_RISCV_FLOAT_ABI_SOFT, EF_RISCV_FLOAT_ABI);
      BCaseMask(EF_RISCV_FLOAT_ABI_SINGLE, EF_RISCV_FLOAT_ABI);
      BCaseMask(EF_RISCV_FLOAT_ABI_DOUBLE, EF_RISCV_FLOAT_ABI);
      BCaseMask(EF_RISCV_FLOAT_ABI_QUAD, EF_RISCV_FLOAT_ABI);
      BCase(EF_RISCV_RVE);
      break;
    case ELF::EM_AMDGPU:
      BCaseMask(EF_AMDGPU_MACH_NONE, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_R600_R600, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_R600_R630, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_R600_RS880, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_R600_RV670, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_R600_RV710, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_R600_RV730, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_R600_RV770, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_R600_CEDAR, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_R600_CYPRESS, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_R600_JUNIPER, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_R600_REDWOOD, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_R600_SUMO, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_R600_BARTS, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_R600_CAICOS, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_R600_CAYMAN, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_R600_TURKS, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX600, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX601, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX700, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX701, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX702, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX703, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX704, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX801, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX802, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX803, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX810, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX900, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX902, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX904, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX906, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX908, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX909, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1010, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1011, EF_AMDGPU_MACH);
      BCaseMask(EF_AMDGPU_MACH_AMDGCN_GFX1012, EF_AMDGPU_MACH);
      BCase(EF_AMDGPU_XNACK);
      BCase(EF_AMDGPU_SRAM_ECC);
      break;
    case ELF::EM_X86_64:
      break;
    default:
      llvm_unreachable("Unsupported architecture");
    }
  #undef BCase
  #undef BCaseMask
  }
  
  void ScalarEnumerationTraits<ELFYAML::ELF_SHT>::enumeration(
      IO &IO, ELFYAML::ELF_SHT &Value) {
    const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
    assert(Object && "The IO context is not initialized");
  #define ECase(X) IO.enumCase(Value, #X, ELF::X)
    ECase(SHT_NULL);
    ECase(SHT_PROGBITS);
    ECase(SHT_SYMTAB);
    // FIXME: Issue a diagnostic with this information.
    ECase(SHT_STRTAB);
    ECase(SHT_RELA);
    ECase(SHT_HASH);
    ECase(SHT_DYNAMIC);
    ECase(SHT_NOTE);
    ECase(SHT_NOBITS);
    ECase(SHT_REL);
    ECase(SHT_SHLIB);
    ECase(SHT_DYNSYM);
    ECase(SHT_INIT_ARRAY);
    ECase(SHT_FINI_ARRAY);
    ECase(SHT_PREINIT_ARRAY);
    ECase(SHT_GROUP);
    ECase(SHT_SYMTAB_SHNDX);
    ECase(SHT_RELR);
    ECase(SHT_ANDROID_REL);
    ECase(SHT_ANDROID_RELA);
    ECase(SHT_ANDROID_RELR);
    ECase(SHT_LLVM_ODRTAB);
    ECase(SHT_LLVM_LINKER_OPTIONS);
    ECase(SHT_LLVM_CALL_GRAPH_PROFILE);
    ECase(SHT_LLVM_ADDRSIG);
    ECase(SHT_LLVM_DEPENDENT_LIBRARIES);
    ECase(SHT_GNU_ATTRIBUTES);
    ECase(SHT_GNU_HASH);
    ECase(SHT_GNU_verdef);
    ECase(SHT_GNU_verneed);
    ECase(SHT_GNU_versym);
    switch (Object->Header.Machine) {
    case ELF::EM_ARM:
      ECase(SHT_ARM_EXIDX);
      ECase(SHT_ARM_PREEMPTMAP);
      ECase(SHT_ARM_ATTRIBUTES);
      ECase(SHT_ARM_DEBUGOVERLAY);
      ECase(SHT_ARM_OVERLAYSECTION);
      break;
    case ELF::EM_HEXAGON:
      ECase(SHT_HEX_ORDERED);
      break;
    case ELF::EM_X86_64:
      ECase(SHT_X86_64_UNWIND);
      break;
    case ELF::EM_MIPS:
      ECase(SHT_MIPS_REGINFO);
      ECase(SHT_MIPS_OPTIONS);
      ECase(SHT_MIPS_DWARF);
      ECase(SHT_MIPS_ABIFLAGS);
      break;
    default:
      // Nothing to do.
      break;
    }
  #undef ECase
    IO.enumFallback<Hex32>(Value);
  }
  
  void ScalarBitSetTraits<ELFYAML::ELF_PF>::bitset(IO &IO,
                                                   ELFYAML::ELF_PF &Value) {
  #define BCase(X) IO.bitSetCase(Value, #X, ELF::X)
    BCase(PF_X);
    BCase(PF_W);
    BCase(PF_R);
  }
  
  void ScalarBitSetTraits<ELFYAML::ELF_SHF>::bitset(IO &IO,
                                                    ELFYAML::ELF_SHF &Value) {
    const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
  #define BCase(X) IO.bitSetCase(Value, #X, ELF::X)
    BCase(SHF_WRITE);
    BCase(SHF_ALLOC);
    BCase(SHF_EXCLUDE);
    BCase(SHF_EXECINSTR);
    BCase(SHF_MERGE);
    BCase(SHF_STRINGS);
    BCase(SHF_INFO_LINK);
    BCase(SHF_LINK_ORDER);
    BCase(SHF_OS_NONCONFORMING);
    BCase(SHF_GROUP);
    BCase(SHF_TLS);
    BCase(SHF_COMPRESSED);
    switch (Object->Header.Machine) {
    case ELF::EM_ARM:
      BCase(SHF_ARM_PURECODE);
      break;
    case ELF::EM_HEXAGON:
      BCase(SHF_HEX_GPREL);
      break;
    case ELF::EM_MIPS:
      BCase(SHF_MIPS_NODUPES);
      BCase(SHF_MIPS_NAMES);
      BCase(SHF_MIPS_LOCAL);
      BCase(SHF_MIPS_NOSTRIP);
      BCase(SHF_MIPS_GPREL);
      BCase(SHF_MIPS_MERGE);
      BCase(SHF_MIPS_ADDR);
      BCase(SHF_MIPS_STRING);
      break;
    case ELF::EM_X86_64:
      BCase(SHF_X86_64_LARGE);
      break;
    default:
      // Nothing to do.
      break;
    }
  #undef BCase
  }
  
  void ScalarEnumerationTraits<ELFYAML::ELF_SHN>::enumeration(
      IO &IO, ELFYAML::ELF_SHN &Value) {
  #define ECase(X) IO.enumCase(Value, #X, ELF::X)
    ECase(SHN_UNDEF);
    ECase(SHN_LORESERVE);
    ECase(SHN_LOPROC);
    ECase(SHN_HIPROC);
    ECase(SHN_LOOS);
    ECase(SHN_HIOS);
    ECase(SHN_ABS);
    ECase(SHN_COMMON);
    ECase(SHN_XINDEX);
    ECase(SHN_HIRESERVE);
    ECase(SHN_AMDGPU_LDS);
    ECase(SHN_HEXAGON_SCOMMON);
    ECase(SHN_HEXAGON_SCOMMON_1);
    ECase(SHN_HEXAGON_SCOMMON_2);
    ECase(SHN_HEXAGON_SCOMMON_4);
    ECase(SHN_HEXAGON_SCOMMON_8);
  #undef ECase
    IO.enumFallback<Hex16>(Value);
  }
  
  void ScalarEnumerationTraits<ELFYAML::ELF_STB>::enumeration(
      IO &IO, ELFYAML::ELF_STB &Value) {
  #define ECase(X) IO.enumCase(Value, #X, ELF::X)
    ECase(STB_LOCAL);
    ECase(STB_GLOBAL);
    ECase(STB_WEAK);
    ECase(STB_GNU_UNIQUE);
  #undef ECase
    IO.enumFallback<Hex8>(Value);
  }
  
  void ScalarEnumerationTraits<ELFYAML::ELF_STT>::enumeration(
      IO &IO, ELFYAML::ELF_STT &Value) {
  #define ECase(X) IO.enumCase(Value, #X, ELF::X)
    ECase(STT_NOTYPE);
    ECase(STT_OBJECT);
    ECase(STT_FUNC);
    ECase(STT_SECTION);
    ECase(STT_FILE);
    ECase(STT_COMMON);
    ECase(STT_TLS);
    ECase(STT_GNU_IFUNC);
  #undef ECase
    IO.enumFallback<Hex8>(Value);
  }
  
  void ScalarEnumerationTraits<ELFYAML::ELF_STV>::enumeration(
      IO &IO, ELFYAML::ELF_STV &Value) {
  #define ECase(X) IO.enumCase(Value, #X, ELF::X)
    ECase(STV_DEFAULT);
    ECase(STV_INTERNAL);
    ECase(STV_HIDDEN);
    ECase(STV_PROTECTED);
  #undef ECase
  }
  
  void ScalarBitSetTraits<ELFYAML::ELF_STO>::bitset(IO &IO,
                                                    ELFYAML::ELF_STO &Value) {
    const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
    assert(Object && "The IO context is not initialized");
  #define BCase(X) IO.bitSetCase(Value, #X, ELF::X)
    switch (Object->Header.Machine) {
    case ELF::EM_MIPS:
      BCase(STO_MIPS_OPTIONAL);
      BCase(STO_MIPS_PLT);
      BCase(STO_MIPS_PIC);
      BCase(STO_MIPS_MICROMIPS);
      break;
    default:
      break; // Nothing to do
    }
  #undef BCase
  #undef BCaseMask
  }
  
  void ScalarEnumerationTraits<ELFYAML::ELF_RSS>::enumeration(
      IO &IO, ELFYAML::ELF_RSS &Value) {
  #define ECase(X) IO.enumCase(Value, #X, ELF::X)
    ECase(RSS_UNDEF);
    ECase(RSS_GP);
    ECase(RSS_GP0);
    ECase(RSS_LOC);
  #undef ECase
  }
  
  void ScalarEnumerationTraits<ELFYAML::ELF_REL>::enumeration(
      IO &IO, ELFYAML::ELF_REL &Value) {
    const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
    assert(Object && "The IO context is not initialized");
  #define ELF_RELOC(X, Y) IO.enumCase(Value, #X, ELF::X);
    switch (Object->Header.Machine) {
    case ELF::EM_X86_64:
  #include "llvm/BinaryFormat/ELFRelocs/x86_64.def"
      break;
    case ELF::EM_MIPS:
  #include "llvm/BinaryFormat/ELFRelocs/Mips.def"
      break;
    case ELF::EM_HEXAGON:
  #include "llvm/BinaryFormat/ELFRelocs/Hexagon.def"
      break;
    case ELF::EM_386:
    case ELF::EM_IAMCU:
  #include "llvm/BinaryFormat/ELFRelocs/i386.def"
      break;
    case ELF::EM_AARCH64:
  #include "llvm/BinaryFormat/ELFRelocs/AArch64.def"
      break;
    case ELF::EM_ARM:
  #include "llvm/BinaryFormat/ELFRelocs/ARM.def"
      break;
    case ELF::EM_ARC:
  #include "llvm/BinaryFormat/ELFRelocs/ARC.def"
      break;
    case ELF::EM_RISCV:
  #include "llvm/BinaryFormat/ELFRelocs/RISCV.def"
      break;
    case ELF::EM_LANAI:
  #include "llvm/BinaryFormat/ELFRelocs/Lanai.def"
      break;
    case ELF::EM_AMDGPU:
  #include "llvm/BinaryFormat/ELFRelocs/AMDGPU.def"
      break;
    case ELF::EM_BPF:
  #include "llvm/BinaryFormat/ELFRelocs/BPF.def"
      break;
    default:
      llvm_unreachable("Unsupported architecture");
    }
  #undef ELF_RELOC
    IO.enumFallback<Hex32>(Value);
  }
  
  void ScalarEnumerationTraits<ELFYAML::ELF_DYNTAG>::enumeration(
      IO &IO, ELFYAML::ELF_DYNTAG &Value) {
    const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
    assert(Object && "The IO context is not initialized");
  
  // Disable architecture specific tags by default. We might enable them below.
  #define AARCH64_DYNAMIC_TAG(name, value)
  #define MIPS_DYNAMIC_TAG(name, value)
  #define HEXAGON_DYNAMIC_TAG(name, value)
  #define PPC_DYNAMIC_TAG(name, value)
  #define PPC64_DYNAMIC_TAG(name, value)
  // Ignore marker tags such as DT_HIOS (maps to DT_VERNEEDNUM), etc.
  #define DYNAMIC_TAG_MARKER(name, value)
  
  #define STRINGIFY(X) (#X)
  #define DYNAMIC_TAG(X, Y) IO.enumCase(Value, STRINGIFY(DT_##X), ELF::DT_##X);
    switch (Object->Header.Machine) {
    case ELF::EM_AARCH64:
  #undef AARCH64_DYNAMIC_TAG
  #define AARCH64_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value)
  #include "llvm/BinaryFormat/DynamicTags.def"
  #undef AARCH64_DYNAMIC_TAG
  #define AARCH64_DYNAMIC_TAG(name, value)
      break;
    case ELF::EM_MIPS:
  #undef MIPS_DYNAMIC_TAG
  #define MIPS_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value)
  #include "llvm/BinaryFormat/DynamicTags.def"
  #undef MIPS_DYNAMIC_TAG
  #define MIPS_DYNAMIC_TAG(name, value)
      break;
    case ELF::EM_HEXAGON:
  #undef HEXAGON_DYNAMIC_TAG
  #define HEXAGON_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value)
  #include "llvm/BinaryFormat/DynamicTags.def"
  #undef HEXAGON_DYNAMIC_TAG
  #define HEXAGON_DYNAMIC_TAG(name, value)
      break;
    case ELF::EM_PPC:
  #undef PPC_DYNAMIC_TAG
  #define PPC_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value)
  #include "llvm/BinaryFormat/DynamicTags.def"
  #undef PPC_DYNAMIC_TAG
  #define PPC_DYNAMIC_TAG(name, value)
      break;
    case ELF::EM_PPC64:
  #undef PPC64_DYNAMIC_TAG
  #define PPC64_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value)
  #include "llvm/BinaryFormat/DynamicTags.def"
  #undef PPC64_DYNAMIC_TAG
  #define PPC64_DYNAMIC_TAG(name, value)
      break;
    default:
  #include "llvm/BinaryFormat/DynamicTags.def"
      break;
    }
  #undef AARCH64_DYNAMIC_TAG
  #undef MIPS_DYNAMIC_TAG
  #undef HEXAGON_DYNAMIC_TAG
  #undef PPC_DYNAMIC_TAG
  #undef PPC64_DYNAMIC_TAG
  #undef DYNAMIC_TAG_MARKER
  #undef STRINGIFY
  #undef DYNAMIC_TAG
  
    IO.enumFallback<Hex64>(Value);
  }
  
  void ScalarEnumerationTraits<ELFYAML::MIPS_AFL_REG>::enumeration(
      IO &IO, ELFYAML::MIPS_AFL_REG &Value) {
  #define ECase(X) IO.enumCase(Value, #X, Mips::AFL_##X)
    ECase(REG_NONE);
    ECase(REG_32);
    ECase(REG_64);
    ECase(REG_128);
  #undef ECase
  }
  
  void ScalarEnumerationTraits<ELFYAML::MIPS_ABI_FP>::enumeration(
      IO &IO, ELFYAML::MIPS_ABI_FP &Value) {
  #define ECase(X) IO.enumCase(Value, #X, Mips::Val_GNU_MIPS_ABI_##X)
    ECase(FP_ANY);
    ECase(FP_DOUBLE);
    ECase(FP_SINGLE);
    ECase(FP_SOFT);
    ECase(FP_OLD_64);
    ECase(FP_XX);
    ECase(FP_64);
    ECase(FP_64A);
  #undef ECase
  }
  
  void ScalarEnumerationTraits<ELFYAML::MIPS_AFL_EXT>::enumeration(
      IO &IO, ELFYAML::MIPS_AFL_EXT &Value) {
  #define ECase(X) IO.enumCase(Value, #X, Mips::AFL_##X)
    ECase(EXT_NONE);
    ECase(EXT_XLR);
    ECase(EXT_OCTEON2);
    ECase(EXT_OCTEONP);
    ECase(EXT_LOONGSON_3A);
    ECase(EXT_OCTEON);
    ECase(EXT_5900);
    ECase(EXT_4650);
    ECase(EXT_4010);
    ECase(EXT_4100);
    ECase(EXT_3900);
    ECase(EXT_10000);
    ECase(EXT_SB1);
    ECase(EXT_4111);
    ECase(EXT_4120);
    ECase(EXT_5400);
    ECase(EXT_5500);
    ECase(EXT_LOONGSON_2E);
    ECase(EXT_LOONGSON_2F);
    ECase(EXT_OCTEON3);
  #undef ECase
  }
  
  void ScalarEnumerationTraits<ELFYAML::MIPS_ISA>::enumeration(
      IO &IO, ELFYAML::MIPS_ISA &Value) {
    IO.enumCase(Value, "MIPS1", 1);
    IO.enumCase(Value, "MIPS2", 2);
    IO.enumCase(Value, "MIPS3", 3);
    IO.enumCase(Value, "MIPS4", 4);
    IO.enumCase(Value, "MIPS5", 5);
    IO.enumCase(Value, "MIPS32", 32);
    IO.enumCase(Value, "MIPS64", 64);
  }
  
  void ScalarBitSetTraits<ELFYAML::MIPS_AFL_ASE>::bitset(
      IO &IO, ELFYAML::MIPS_AFL_ASE &Value) {
  #define BCase(X) IO.bitSetCase(Value, #X, Mips::AFL_ASE_##X)
    BCase(DSP);
    BCase(DSPR2);
    BCase(EVA);
    BCase(MCU);
    BCase(MDMX);
    BCase(MIPS3D);
    BCase(MT);
    BCase(SMARTMIPS);
    BCase(VIRT);
    BCase(MSA);
    BCase(MIPS16);
    BCase(MICROMIPS);
    BCase(XPA);
  #undef BCase
  }
  
  void ScalarBitSetTraits<ELFYAML::MIPS_AFL_FLAGS1>::bitset(
      IO &IO, ELFYAML::MIPS_AFL_FLAGS1 &Value) {
  #define BCase(X) IO.bitSetCase(Value, #X, Mips::AFL_FLAGS1_##X)
    BCase(ODDSPREG);
  #undef BCase
  }
  
  void MappingTraits<ELFYAML::FileHeader>::mapping(IO &IO,
                                                   ELFYAML::FileHeader &FileHdr) {
    IO.mapRequired("Class", FileHdr.Class);
    IO.mapRequired("Data", FileHdr.Data);
    IO.mapOptional("OSABI", FileHdr.OSABI, ELFYAML::ELF_ELFOSABI(0));
    IO.mapOptional("ABIVersion", FileHdr.ABIVersion, Hex8(0));
    IO.mapRequired("Type", FileHdr.Type);
    IO.mapRequired("Machine", FileHdr.Machine);
    IO.mapOptional("Flags", FileHdr.Flags, ELFYAML::ELF_EF(0));
    IO.mapOptional("Entry", FileHdr.Entry, Hex64(0));
  
    IO.mapOptional("SHEntSize", FileHdr.SHEntSize);
    IO.mapOptional("SHOffset", FileHdr.SHOffset);
    IO.mapOptional("SHNum", FileHdr.SHNum);
    IO.mapOptional("SHStrNdx", FileHdr.SHStrNdx);
  }
  
  void MappingTraits<ELFYAML::ProgramHeader>::mapping(
      IO &IO, ELFYAML::ProgramHeader &Phdr) {
    IO.mapRequired("Type", Phdr.Type);
    IO.mapOptional("Flags", Phdr.Flags, ELFYAML::ELF_PF(0));
    IO.mapOptional("Sections", Phdr.Sections);
    IO.mapOptional("VAddr", Phdr.VAddr, Hex64(0));
    IO.mapOptional("PAddr", Phdr.PAddr, Hex64(0));
    IO.mapOptional("Align", Phdr.Align);
    IO.mapOptional("FileSize", Phdr.FileSize);
    IO.mapOptional("MemSize", Phdr.MemSize);
    IO.mapOptional("Offset", Phdr.Offset);
  }
  
  namespace {
  
  struct NormalizedOther {
    NormalizedOther(IO &)
        : Visibility(ELFYAML::ELF_STV(0)), Other(ELFYAML::ELF_STO(0)) {}
    NormalizedOther(IO &, uint8_t Original)
        : Visibility(Original & 0x3), Other(Original & ~0x3) {}
  
    uint8_t denormalize(IO &) { return Visibility | Other; }
  
    ELFYAML::ELF_STV Visibility;
    ELFYAML::ELF_STO Other;
  };
  
  } // end anonymous namespace
  
  void MappingTraits<ELFYAML::Symbol>::mapping(IO &IO, ELFYAML::Symbol &Symbol) {
    IO.mapOptional("Name", Symbol.Name, StringRef());
    IO.mapOptional("NameIndex", Symbol.NameIndex);
    IO.mapOptional("Type", Symbol.Type, ELFYAML::ELF_STT(0));
    IO.mapOptional("Section", Symbol.Section, StringRef());
    IO.mapOptional("Index", Symbol.Index);
    IO.mapOptional("Binding", Symbol.Binding, ELFYAML::ELF_STB(0));
    IO.mapOptional("Value", Symbol.Value, Hex64(0));
    IO.mapOptional("Size", Symbol.Size, Hex64(0));
    MappingNormalization<NormalizedOther, uint8_t> Keys(IO, Symbol.Other);
    IO.mapOptional("Visibility", Keys->Visibility, ELFYAML::ELF_STV(0));
    IO.mapOptional("Other", Keys->Other, ELFYAML::ELF_STO(0));
  }
  
  StringRef MappingTraits<ELFYAML::Symbol>::validate(IO &IO,
                                                     ELFYAML::Symbol &Symbol) {
    if (Symbol.Index && Symbol.Section.data())
      return "Index and Section cannot both be specified for Symbol";
    if (Symbol.NameIndex && !Symbol.Name.empty())
      return "Name and NameIndex cannot both be specified for Symbol";
    return StringRef();
  }
  
  static void commonSectionMapping(IO &IO, ELFYAML::Section &Section) {
    IO.mapOptional("Name", Section.Name, StringRef());
    IO.mapRequired("Type", Section.Type);
    IO.mapOptional("Flags", Section.Flags);
    IO.mapOptional("Address", Section.Address, Hex64(0));
    IO.mapOptional("Link", Section.Link, StringRef());
    IO.mapOptional("AddressAlign", Section.AddressAlign, Hex64(0));
    IO.mapOptional("EntSize", Section.EntSize);
  
    // obj2yaml does not dump these fields. They are expected to be empty when we
    // are producing YAML, because yaml2obj sets appropriate values for sh_offset
    // and sh_size automatically when they are not explicitly defined.
    assert(!IO.outputting() ||
           (!Section.ShOffset.hasValue() && !Section.ShSize.hasValue()));
    IO.mapOptional("ShOffset", Section.ShOffset);
    IO.mapOptional("ShSize", Section.ShSize);
  }
  
  static void sectionMapping(IO &IO, ELFYAML::DynamicSection &Section) {
    commonSectionMapping(IO, Section);
    IO.mapOptional("Entries", Section.Entries);
    IO.mapOptional("Content", Section.Content);
  }
  
  static void sectionMapping(IO &IO, ELFYAML::RawContentSection &Section) {
    commonSectionMapping(IO, Section);
    IO.mapOptional("Content", Section.Content);
    IO.mapOptional("Size", Section.Size);
    IO.mapOptional("Info", Section.Info);
  }
  
  static void sectionMapping(IO &IO, ELFYAML::NoBitsSection &Section) {
    commonSectionMapping(IO, Section);
    IO.mapOptional("Size", Section.Size, Hex64(0));
  }
  
  static void sectionMapping(IO &IO, ELFYAML::VerdefSection &Section) {
    commonSectionMapping(IO, Section);
    IO.mapRequired("Info", Section.Info);
    IO.mapRequired("Entries", Section.Entries);
  }
  
  static void sectionMapping(IO &IO, ELFYAML::SymverSection &Section) {
    commonSectionMapping(IO, Section);
    IO.mapRequired("Entries", Section.Entries);
  }
  
  static void sectionMapping(IO &IO, ELFYAML::VerneedSection &Section) {
    commonSectionMapping(IO, Section);
    IO.mapRequired("Info", Section.Info);
    IO.mapRequired("Dependencies", Section.VerneedV);
  }
  
  static void sectionMapping(IO &IO, ELFYAML::RelocationSection &Section) {
    commonSectionMapping(IO, Section);
    IO.mapOptional("Info", Section.RelocatableSec, StringRef());
    IO.mapOptional("Relocations", Section.Relocations);
  }
  
  static void groupSectionMapping(IO &IO, ELFYAML::Group &Group) {
    commonSectionMapping(IO, Group);
    IO.mapOptional("Info", Group.Signature, StringRef());
    IO.mapRequired("Members", Group.Members);
  }
  
  static void sectionMapping(IO &IO, ELFYAML::SymtabShndxSection &Section) {
    commonSectionMapping(IO, Section);
    IO.mapRequired("Entries", Section.Entries);
  }
  
  void MappingTraits<ELFYAML::SectionOrType>::mapping(
      IO &IO, ELFYAML::SectionOrType &sectionOrType) {
    IO.mapRequired("SectionOrType", sectionOrType.sectionNameOrType);
  }
  
  void MappingTraits<ELFYAML::SectionName>::mapping(
      IO &IO, ELFYAML::SectionName &sectionName) {
    IO.mapRequired("Section", sectionName.Section);
  }
  
  static void sectionMapping(IO &IO, ELFYAML::MipsABIFlags &Section) {
    commonSectionMapping(IO, Section);
    IO.mapOptional("Version", Section.Version, Hex16(0));
    IO.mapRequired("ISA", Section.ISALevel);
    IO.mapOptional("ISARevision", Section.ISARevision, Hex8(0));
    IO.mapOptional("ISAExtension", Section.ISAExtension,
                   ELFYAML::MIPS_AFL_EXT(Mips::AFL_EXT_NONE));
    IO.mapOptional("ASEs", Section.ASEs, ELFYAML::MIPS_AFL_ASE(0));
    IO.mapOptional("FpABI", Section.FpABI,
                   ELFYAML::MIPS_ABI_FP(Mips::Val_GNU_MIPS_ABI_FP_ANY));
    IO.mapOptional("GPRSize", Section.GPRSize,
                   ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE));
    IO.mapOptional("CPR1Size", Section.CPR1Size,
                   ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE));
    IO.mapOptional("CPR2Size", Section.CPR2Size,
                   ELFYAML::MIPS_AFL_REG(Mips::AFL_REG_NONE));
    IO.mapOptional("Flags1", Section.Flags1, ELFYAML::MIPS_AFL_FLAGS1(0));
    IO.mapOptional("Flags2", Section.Flags2, Hex32(0));
  }
  
  void MappingTraits<std::unique_ptr<ELFYAML::Section>>::mapping(
      IO &IO, std::unique_ptr<ELFYAML::Section> &Section) {
    ELFYAML::ELF_SHT sectionType;
    if (IO.outputting())
      sectionType = Section->Type;
    else
      IO.mapRequired("Type", sectionType);
  
    switch (sectionType) {
    case ELF::SHT_DYNAMIC:
      if (!IO.outputting())
        Section.reset(new ELFYAML::DynamicSection());
      sectionMapping(IO, *cast<ELFYAML::DynamicSection>(Section.get()));
      break;
    case ELF::SHT_REL:
    case ELF::SHT_RELA:
      if (!IO.outputting())
        Section.reset(new ELFYAML::RelocationSection());
      sectionMapping(IO, *cast<ELFYAML::RelocationSection>(Section.get()));
      break;
    case ELF::SHT_GROUP:
      if (!IO.outputting())
        Section.reset(new ELFYAML::Group());
      groupSectionMapping(IO, *cast<ELFYAML::Group>(Section.get()));
      break;
    case ELF::SHT_NOBITS:
      if (!IO.outputting())
        Section.reset(new ELFYAML::NoBitsSection());
      sectionMapping(IO, *cast<ELFYAML::NoBitsSection>(Section.get()));
      break;
    case ELF::SHT_MIPS_ABIFLAGS:
      if (!IO.outputting())
        Section.reset(new ELFYAML::MipsABIFlags());
      sectionMapping(IO, *cast<ELFYAML::MipsABIFlags>(Section.get()));
      break;
    case ELF::SHT_GNU_verdef:
      if (!IO.outputting())
        Section.reset(new ELFYAML::VerdefSection());
      sectionMapping(IO, *cast<ELFYAML::VerdefSection>(Section.get()));
      break;
    case ELF::SHT_GNU_versym:
      if (!IO.outputting())
        Section.reset(new ELFYAML::SymverSection());
      sectionMapping(IO, *cast<ELFYAML::SymverSection>(Section.get()));
      break;
    case ELF::SHT_GNU_verneed:
      if (!IO.outputting())
        Section.reset(new ELFYAML::VerneedSection());
      sectionMapping(IO, *cast<ELFYAML::VerneedSection>(Section.get()));
      break;
    case ELF::SHT_SYMTAB_SHNDX:
      if (!IO.outputting())
        Section.reset(new ELFYAML::SymtabShndxSection());
      sectionMapping(IO, *cast<ELFYAML::SymtabShndxSection>(Section.get()));
      break;
    default:
      if (!IO.outputting())
        Section.reset(new ELFYAML::RawContentSection());
      sectionMapping(IO, *cast<ELFYAML::RawContentSection>(Section.get()));
    }
  }
  
  StringRef MappingTraits<std::unique_ptr<ELFYAML::Section>>::validate(
      IO &io, std::unique_ptr<ELFYAML::Section> &Section) {
    const auto *RawSection = dyn_cast<ELFYAML::RawContentSection>(Section.get());
    if (!RawSection)
      return {};
    if (RawSection->Size && RawSection->Content &&
        (uint64_t)(*RawSection->Size) < RawSection->Content->binary_size())
      return "Section size must be greater than or equal to the content size";
    return {};
  }
  
  namespace {
  
  struct NormalizedMips64RelType {
    NormalizedMips64RelType(IO &)
        : Type(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)),
          Type2(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)),
          Type3(ELFYAML::ELF_REL(ELF::R_MIPS_NONE)),
          SpecSym(ELFYAML::ELF_REL(ELF::RSS_UNDEF)) {}
    NormalizedMips64RelType(IO &, ELFYAML::ELF_REL Original)
        : Type(Original & 0xFF), Type2(Original >> 8 & 0xFF),
          Type3(Original >> 16 & 0xFF), SpecSym(Original >> 24 & 0xFF) {}
  
    ELFYAML::ELF_REL denormalize(IO &) {
      ELFYAML::ELF_REL Res = Type | Type2 << 8 | Type3 << 16 | SpecSym << 24;
      return Res;
    }
  
    ELFYAML::ELF_REL Type;
    ELFYAML::ELF_REL Type2;
    ELFYAML::ELF_REL Type3;
    ELFYAML::ELF_RSS SpecSym;
  };
  
  } // end anonymous namespace
  
  void MappingTraits<ELFYAML::DynamicEntry>::mapping(IO &IO,
                                                     ELFYAML::DynamicEntry &Rel) {
    assert(IO.getContext() && "The IO context is not initialized");
  
    IO.mapRequired("Tag", Rel.Tag);
    IO.mapRequired("Value", Rel.Val);
  }
  
  void MappingTraits<ELFYAML::VerdefEntry>::mapping(IO &IO,
                                                    ELFYAML::VerdefEntry &E) {
    assert(IO.getContext() && "The IO context is not initialized");
  
    IO.mapRequired("Version", E.Version);
    IO.mapRequired("Flags", E.Flags);
    IO.mapRequired("VersionNdx", E.VersionNdx);
    IO.mapRequired("Hash", E.Hash);
    IO.mapRequired("Names", E.VerNames);
  }
  
  void MappingTraits<ELFYAML::VerneedEntry>::mapping(IO &IO,
                                                     ELFYAML::VerneedEntry &E) {
    assert(IO.getContext() && "The IO context is not initialized");
  
    IO.mapRequired("Version", E.Version);
    IO.mapRequired("File", E.File);
    IO.mapRequired("Entries", E.AuxV);
  }
  
  void MappingTraits<ELFYAML::VernauxEntry>::mapping(IO &IO,
                                                     ELFYAML::VernauxEntry &E) {
    assert(IO.getContext() && "The IO context is not initialized");
  
    IO.mapRequired("Name", E.Name);
    IO.mapRequired("Hash", E.Hash);
    IO.mapRequired("Flags", E.Flags);
    IO.mapRequired("Other", E.Other);
  }
  
  void MappingTraits<ELFYAML::Relocation>::mapping(IO &IO,
                                                   ELFYAML::Relocation &Rel) {
    const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
    assert(Object && "The IO context is not initialized");
  
    IO.mapRequired("Offset", Rel.Offset);
    IO.mapOptional("Symbol", Rel.Symbol);
  
    if (Object->Header.Machine == ELFYAML::ELF_EM(ELF::EM_MIPS) &&
        Object->Header.Class == ELFYAML::ELF_ELFCLASS(ELF::ELFCLASS64)) {
      MappingNormalization<NormalizedMips64RelType, ELFYAML::ELF_REL> Key(
          IO, Rel.Type);
      IO.mapRequired("Type", Key->Type);
      IO.mapOptional("Type2", Key->Type2, ELFYAML::ELF_REL(ELF::R_MIPS_NONE));
      IO.mapOptional("Type3", Key->Type3, ELFYAML::ELF_REL(ELF::R_MIPS_NONE));
      IO.mapOptional("SpecSym", Key->SpecSym, ELFYAML::ELF_RSS(ELF::RSS_UNDEF));
    } else
      IO.mapRequired("Type", Rel.Type);
  
    IO.mapOptional("Addend", Rel.Addend, (int64_t)0);
  }
  
  void MappingTraits<ELFYAML::Object>::mapping(IO &IO, ELFYAML::Object &Object) {
    assert(!IO.getContext() && "The IO context is initialized already");
    IO.setContext(&Object);
    IO.mapTag("!ELF", true);
    IO.mapRequired("FileHeader", Object.Header);
    IO.mapOptional("ProgramHeaders", Object.ProgramHeaders);
    IO.mapOptional("Sections", Object.Sections);
    IO.mapOptional("Symbols", Object.Symbols);
    IO.mapOptional("DynamicSymbols", Object.DynamicSymbols);
    IO.setContext(nullptr);
  }
  
  LLVM_YAML_STRONG_TYPEDEF(uint8_t, MIPS_AFL_REG)
  LLVM_YAML_STRONG_TYPEDEF(uint8_t, MIPS_ABI_FP)
  LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_EXT)
  LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_ASE)
  LLVM_YAML_STRONG_TYPEDEF(uint32_t, MIPS_AFL_FLAGS1)
  
  } // end namespace yaml
  
  } // end namespace llvm
  