//===- ELF.cpp - ELF object file implementation ---------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#include "llvm/Object/ELF.h"
#include "llvm/BinaryFormat/ELF.h"

using namespace llvm;
using namespace object;

#define STRINGIFY_ENUM_CASE(ns, name)                                          \
  case ns::name:                                                               \
    return #name;

#define ELF_RELOC(name, value) STRINGIFY_ENUM_CASE(ELF, name)

StringRef llvm::object::getELFRelocationTypeName(uint32_t Machine,
                                                 uint32_t Type) {
  switch (Machine) {
  case ELF::EM_X86_64:
    switch (Type) {
#include "llvm/BinaryFormat/ELFRelocs/x86_64.def"
    default:
      break;
    }
    break;
  case ELF::EM_386:
  case ELF::EM_IAMCU:
    switch (Type) {
#include "llvm/BinaryFormat/ELFRelocs/i386.def"
    default:
      break;
    }
    break;
  case ELF::EM_MIPS:
    switch (Type) {
#include "llvm/BinaryFormat/ELFRelocs/Mips.def"
    default:
      break;
    }
    break;
  case ELF::EM_AARCH64:
    switch (Type) {
#include "llvm/BinaryFormat/ELFRelocs/AArch64.def"
    default:
      break;
    }
    break;
  case ELF::EM_ARM:
    switch (Type) {
#include "llvm/BinaryFormat/ELFRelocs/ARM.def"
    default:
      break;
    }
    break;
  case ELF::EM_AVR:
    switch (Type) {
#include "llvm/BinaryFormat/ELFRelocs/AVR.def"
    default:
      break;
    }
    break;
  case ELF::EM_HEXAGON:
    switch (Type) {
#include "llvm/BinaryFormat/ELFRelocs/Hexagon.def"
    default:
      break;
    }
    break;
  case ELF::EM_LANAI:
    switch (Type) {
#include "llvm/BinaryFormat/ELFRelocs/Lanai.def"
    default:
      break;
    }
    break;
  case ELF::EM_PPC:
    switch (Type) {
#include "llvm/BinaryFormat/ELFRelocs/PowerPC.def"
    default:
      break;
    }
    break;
  case ELF::EM_PPC64:
    switch (Type) {
#include "llvm/BinaryFormat/ELFRelocs/PowerPC64.def"
    default:
      break;
    }
    break;
  case ELF::EM_RISCV:
    switch (Type) {
#include "llvm/BinaryFormat/ELFRelocs/RISCV.def"
    default:
      break;
    }
    break;
  case ELF::EM_S390:
    switch (Type) {
#include "llvm/BinaryFormat/ELFRelocs/SystemZ.def"
    default:
      break;
    }
    break;
  case ELF::EM_SPARC:
  case ELF::EM_SPARC32PLUS:
  case ELF::EM_SPARCV9:
    switch (Type) {
#include "llvm/BinaryFormat/ELFRelocs/Sparc.def"
    default:
      break;
    }
    break;
  case ELF::EM_WEBASSEMBLY:
    switch (Type) {
#include "llvm/BinaryFormat/ELFRelocs/WebAssembly.def"
    default:
      break;
    }
    break;
  case ELF::EM_AMDGPU:
    switch (Type) {
#include "llvm/BinaryFormat/ELFRelocs/AMDGPU.def"
    default:
      break;
    }
  case ELF::EM_BPF:
    switch (Type) {
#include "llvm/BinaryFormat/ELFRelocs/BPF.def"
    default:
      break;
    }
    break;
  default:
    break;
  }
  return "Unknown";
}

#undef ELF_RELOC

StringRef llvm::object::getELFSectionTypeName(uint32_t Machine, unsigned Type) {
  switch (Machine) {
  case ELF::EM_ARM:
    switch (Type) {
      STRINGIFY_ENUM_CASE(ELF, SHT_ARM_EXIDX);
      STRINGIFY_ENUM_CASE(ELF, SHT_ARM_PREEMPTMAP);
      STRINGIFY_ENUM_CASE(ELF, SHT_ARM_ATTRIBUTES);
      STRINGIFY_ENUM_CASE(ELF, SHT_ARM_DEBUGOVERLAY);
      STRINGIFY_ENUM_CASE(ELF, SHT_ARM_OVERLAYSECTION);
    }
    break;
  case ELF::EM_HEXAGON:
    switch (Type) { STRINGIFY_ENUM_CASE(ELF, SHT_HEX_ORDERED); }
    break;
  case ELF::EM_X86_64:
    switch (Type) { STRINGIFY_ENUM_CASE(ELF, SHT_X86_64_UNWIND); }
    break;
  case ELF::EM_MIPS:
  case ELF::EM_MIPS_RS3_LE:
    switch (Type) {
      STRINGIFY_ENUM_CASE(ELF, SHT_MIPS_REGINFO);
      STRINGIFY_ENUM_CASE(ELF, SHT_MIPS_OPTIONS);
      STRINGIFY_ENUM_CASE(ELF, SHT_MIPS_ABIFLAGS);
      STRINGIFY_ENUM_CASE(ELF, SHT_MIPS_DWARF);
    }
    break;
  default:
    break;
  }

  switch (Type) {
    STRINGIFY_ENUM_CASE(ELF, SHT_NULL);
    STRINGIFY_ENUM_CASE(ELF, SHT_PROGBITS);
    STRINGIFY_ENUM_CASE(ELF, SHT_SYMTAB);
    STRINGIFY_ENUM_CASE(ELF, SHT_STRTAB);
    STRINGIFY_ENUM_CASE(ELF, SHT_RELA);
    STRINGIFY_ENUM_CASE(ELF, SHT_HASH);
    STRINGIFY_ENUM_CASE(ELF, SHT_DYNAMIC);
    STRINGIFY_ENUM_CASE(ELF, SHT_NOTE);
    STRINGIFY_ENUM_CASE(ELF, SHT_NOBITS);
    STRINGIFY_ENUM_CASE(ELF, SHT_REL);
    STRINGIFY_ENUM_CASE(ELF, SHT_SHLIB);
    STRINGIFY_ENUM_CASE(ELF, SHT_DYNSYM);
    STRINGIFY_ENUM_CASE(ELF, SHT_INIT_ARRAY);
    STRINGIFY_ENUM_CASE(ELF, SHT_FINI_ARRAY);
    STRINGIFY_ENUM_CASE(ELF, SHT_PREINIT_ARRAY);
    STRINGIFY_ENUM_CASE(ELF, SHT_GROUP);
    STRINGIFY_ENUM_CASE(ELF, SHT_SYMTAB_SHNDX);
    STRINGIFY_ENUM_CASE(ELF, SHT_GNU_ATTRIBUTES);
    STRINGIFY_ENUM_CASE(ELF, SHT_GNU_HASH);
    STRINGIFY_ENUM_CASE(ELF, SHT_GNU_verdef);
    STRINGIFY_ENUM_CASE(ELF, SHT_GNU_verneed);
    STRINGIFY_ENUM_CASE(ELF, SHT_GNU_versym);
  default:
    return "Unknown";
  }
}