readelf.c

来自「基于4个mips核的noc设计」· C语言 代码 · 共 2,305 行 · 第 1/5 页

	}
      break;

    case EF_ARM_EABI_UNKNOWN:
      while (e_flags)
	{
	  unsigned flag;

	  /* Process flags one bit at a time.  */
	  flag = e_flags & - e_flags;
	  e_flags &= ~ flag;

	  switch (flag)
	    {
	    case EF_INTERWORK:
	      strcat (buf, ", interworking enabled");
	      break;

	    case EF_APCS_26:
	      strcat (buf, ", uses APCS/26");
	      break;

	    case EF_APCS_FLOAT:
	      strcat (buf, ", uses APCS/float");
	      break;

	    case EF_PIC:
	      strcat (buf, ", position independent");
	      break;

	    case EF_ALIGN8:
	      strcat (buf, ", 8 bit structure alignment");
	      break;

	    case EF_NEW_ABI:
	      strcat (buf, ", uses new ABI");
	      break;

	    case EF_OLD_ABI:
	      strcat (buf, ", uses old ABI");
	      break;

	    case EF_SOFT_FLOAT:
	      strcat (buf, ", software FP");
	      break;

	    default:
	      unknown = 1;
	      break;
	    }
	}
    }

  if (unknown)
    strcat (buf,", <unknown>");
}

static char *
get_machine_flags (e_flags, e_machine)
     unsigned e_flags;
     unsigned e_machine;
{
  static char buf [1024];

  buf[0] = '\0';

  if (e_flags)
    {
      switch (e_machine)
	{
	default:
	  break;

	case EM_ARM:
	  decode_ARM_machine_flags (e_flags, buf);
	  break;

        case EM_68K:
          if (e_flags & EF_CPU32)
            strcat (buf, ", cpu32");
          break;

	case EM_PPC:
	  if (e_flags & EF_PPC_EMB)
	    strcat (buf, ", emb");

	  if (e_flags & EF_PPC_RELOCATABLE)
	    strcat (buf, ", relocatable");

	  if (e_flags & EF_PPC_RELOCATABLE_LIB)
	    strcat (buf, ", relocatable-lib");
	  break;

	case EM_CYGNUS_V850:
	  switch (e_flags & EF_V850_ARCH)
	    {
	    case E_V850E_ARCH:
	      strcat (buf, ", v850e");
	      break;
	    case E_V850EA_ARCH:
	      strcat (buf, ", v850ea");
	      break;
	    case E_V850_ARCH:
	      strcat (buf, ", v850");
	      break;
	    default:
	      strcat (buf, ", unknown v850 architecture variant");
	      break;
	    }
	  break;

	case EM_CYGNUS_M32R:
	  if ((e_flags & EF_M32R_ARCH) == E_M32R_ARCH)
	    strcat (buf, ", m32r");

	  break;

	case EM_MIPS:
	case EM_MIPS_RS3_LE:
	  if (e_flags & EF_MIPS_NOREORDER)
	    strcat (buf, ", noreorder");

	  if (e_flags & EF_MIPS_PIC)
	    strcat (buf, ", pic");

	  if (e_flags & EF_MIPS_CPIC)
	    strcat (buf, ", cpic");

	  if (e_flags & EF_MIPS_ABI2)
	    strcat (buf, ", abi2");

	  if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_1)
	    strcat (buf, ", mips1");

	  if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_2)
	    strcat (buf, ", mips2");

	  if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_3)
	    strcat (buf, ", mips3");

	  if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_4)
	    strcat (buf, ", mips4");

	  if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_5)
	    strcat (buf, ", mips5");

	  if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_32)
	    strcat (buf, ", mips32");

	  if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_64)
	    strcat (buf, ", mips64");

	  switch ((e_flags & EF_MIPS_MACH))
	    {
	    case E_MIPS_MACH_3900: strcat (buf, ", 3900"); break;
	    case E_MIPS_MACH_4010: strcat (buf, ", 4010"); break;
	    case E_MIPS_MACH_4100: strcat (buf, ", 4100"); break;
	    case E_MIPS_MACH_4650: strcat (buf, ", 4650"); break;
	    case E_MIPS_MACH_4111: strcat (buf, ", 4111"); break;
	    case E_MIPS_MACH_MIPS32_4K: strcat (buf, ", mips32-4k"); break;
	    case E_MIPS_MACH_SB1:  strcat (buf, ", sb1");  break;
	    default: strcat (buf, " UNKNOWN"); break;
	    }
	  break;

	case EM_SPARCV9:
	  if (e_flags & EF_SPARC_32PLUS)
	    strcat (buf, ", v8+");

	  if (e_flags & EF_SPARC_SUN_US1)
	    strcat (buf, ", ultrasparcI");

	  if (e_flags & EF_SPARC_SUN_US3)
	    strcat (buf, ", ultrasparcIII");

	  if (e_flags & EF_SPARC_HAL_R1)
	    strcat (buf, ", halr1");

	  if (e_flags & EF_SPARC_LEDATA)
	    strcat (buf, ", ledata");

	  if ((e_flags & EF_SPARCV9_MM) == EF_SPARCV9_TSO)
	    strcat (buf, ", tso");

	  if ((e_flags & EF_SPARCV9_MM) == EF_SPARCV9_PSO)
	    strcat (buf, ", pso");

	  if ((e_flags & EF_SPARCV9_MM) == EF_SPARCV9_RMO)
	    strcat (buf, ", rmo");
	  break;

	case EM_PARISC:
	  switch (e_flags & EF_PARISC_ARCH)
	    {
	    case EFA_PARISC_1_0:
	      strcpy (buf, ", PA-RISC 1.0");
	      break;
	    case EFA_PARISC_1_1:
	      strcpy (buf, ", PA-RISC 1.1");
	      break;
	    case EFA_PARISC_2_0:
	      strcpy (buf, ", PA-RISC 2.0");
	      break;
	    default:
	      break;
	    }
	  if (e_flags & EF_PARISC_TRAPNIL)
	    strcat (buf, ", trapnil");
	  if (e_flags & EF_PARISC_EXT)
	    strcat (buf, ", ext");
	  if (e_flags & EF_PARISC_LSB)
	    strcat (buf, ", lsb");
	  if (e_flags & EF_PARISC_WIDE)
	    strcat (buf, ", wide");
	  if (e_flags & EF_PARISC_NO_KABP)
	    strcat (buf, ", no kabp");
	  if (e_flags & EF_PARISC_LAZYSWAP)
	    strcat (buf, ", lazyswap");
	  break;

	case EM_PJ:
	  if ((e_flags & EF_PICOJAVA_NEWCALLS) == EF_PICOJAVA_NEWCALLS)
	    strcat (buf, ", new calling convention");

	  if ((e_flags & EF_PICOJAVA_GNUCALLS) == EF_PICOJAVA_GNUCALLS)
	    strcat (buf, ", gnu calling convention");
	  break;

	case EM_IA_64:
	  if ((e_flags & EF_IA_64_ABI64))
	    strcat (buf, ", 64-bit");
	  else
	    strcat (buf, ", 32-bit");
	  if ((e_flags & EF_IA_64_REDUCEDFP))
	    strcat (buf, ", reduced fp model");
	  if ((e_flags & EF_IA_64_NOFUNCDESC_CONS_GP))
	    strcat (buf, ", no function descriptors, constant gp");
	  else if ((e_flags & EF_IA_64_CONS_GP))
	    strcat (buf, ", constant gp");
	  if ((e_flags & EF_IA_64_ABSOLUTE))
	    strcat (buf, ", absolute");
	  break;
	}
    }

  return buf;
}

static const char *
get_mips_segment_type (type)
     unsigned long type;
{
  switch (type)
    {
    case PT_MIPS_REGINFO:
      return "REGINFO";
    case PT_MIPS_RTPROC:
      return "RTPROC";
    case PT_MIPS_OPTIONS:
      return "OPTIONS";
    default:
      break;
    }

  return NULL;
}

static const char *
get_parisc_segment_type (type)
     unsigned long type;
{
  switch (type)
    {
    case PT_HP_TLS:		return "HP_TLS";
    case PT_HP_CORE_NONE:	return "HP_CORE_NONE";
    case PT_HP_CORE_VERSION:	return "HP_CORE_VERSION";
    case PT_HP_CORE_KERNEL:	return "HP_CORE_KERNEL";
    case PT_HP_CORE_COMM:	return "HP_CORE_COMM";
    case PT_HP_CORE_PROC:	return "HP_CORE_PROC";
    case PT_HP_CORE_LOADABLE:	return "HP_CORE_LOADABLE";
    case PT_HP_CORE_STACK:	return "HP_CORE_STACK";
    case PT_HP_CORE_SHM:	return "HP_CORE_SHM";
    case PT_HP_CORE_MMF:	return "HP_CORE_MMF";
    case PT_HP_PARALLEL:	return "HP_PARALLEL";
    case PT_HP_FASTBIND:	return "HP_FASTBIND";
    case PT_PARISC_ARCHEXT:	return "PARISC_ARCHEXT";
    case PT_PARISC_UNWIND:	return "PARISC_UNWIND";
    default:
      break;
    }

  return NULL;
}

static const char *
get_ia64_segment_type (type)
     unsigned long type;
{
  switch (type)
    {
    case PT_IA_64_ARCHEXT:	return "IA_64_ARCHEXT";
    case PT_IA_64_UNWIND:	return "IA_64_UNWIND";
    default:
      break;
    }

  return NULL;
}

static const char *
get_segment_type (p_type)
     unsigned long p_type;
{
  static char buff [32];

  switch (p_type)
    {
    case PT_NULL:       return "NULL";
    case PT_LOAD:       return "LOAD";
    case PT_DYNAMIC:	return "DYNAMIC";
    case PT_INTERP:     return "INTERP";
    case PT_NOTE:       return "NOTE";
    case PT_SHLIB:      return "SHLIB";
    case PT_PHDR:       return "PHDR";

    default:
      if ((p_type >= PT_LOPROC) && (p_type <= PT_HIPROC))
	{
	  const char * result;

	  switch (elf_header.e_machine)
	    {
	    case EM_MIPS:
	    case EM_MIPS_RS3_LE:
	      result = get_mips_segment_type (p_type);
	      break;
	    case EM_PARISC:
	      result = get_parisc_segment_type (p_type);
	      break;
	    case EM_IA_64:
	      result = get_ia64_segment_type (p_type);
	      break;
	    default:
	      result = NULL;
	      break;
	    }

	  if (result != NULL)
	    return result;

	  sprintf (buff, "LOPROC+%lx", p_type - PT_LOPROC);
	}
      else if ((p_type >= PT_LOOS) && (p_type <= PT_HIOS))
	{
	  const char * result;

	  switch (elf_header.e_machine)
	    {
	    case EM_PARISC:
	      result = get_parisc_segment_type (p_type);
	      break;
	    default:
	      result = NULL;
	      break;
	    }

	  if (result != NULL)
	    return result;

	  sprintf (buff, "LOOS+%lx", p_type - PT_LOOS);
	}
      else
	sprintf (buff, _("<unknown>: %lx"), p_type);

      return buff;
    }
}

static const char *
get_mips_section_type_name (sh_type)
     unsigned int sh_type;
{
  switch (sh_type)
    {
    case SHT_MIPS_LIBLIST:       return "MIPS_LIBLIST";
    case SHT_MIPS_MSYM:          return "MIPS_MSYM";
    case SHT_MIPS_CONFLICT:      return "MIPS_CONFLICT";
    case SHT_MIPS_GPTAB:         return "MIPS_GPTAB";
    case SHT_MIPS_UCODE:         return "MIPS_UCODE";
    case SHT_MIPS_DEBUG:         return "MIPS_DEBUG";
    case SHT_MIPS_REGINFO:       return "MIPS_REGINFO";
    case SHT_MIPS_PACKAGE:       return "MIPS_PACKAGE";
    case SHT_MIPS_PACKSYM:       return "MIPS_PACKSYM";
    case SHT_MIPS_RELD:          return "MIPS_RELD";
    case SHT_MIPS_IFACE:         return "MIPS_IFACE";
    case SHT_MIPS_CONTENT:       return "MIPS_CONTENT";
    case SHT_MIPS_OPTIONS:       return "MIPS_OPTIONS";
    case SHT_MIPS_SHDR:          return "MIPS_SHDR";
    case SHT_MIPS_FDESC:         return "MIPS_FDESC";
    case SHT_MIPS_EXTSYM:        return "MIPS_EXTSYM";
    case SHT_MIPS_DENSE:         return "MIPS_DENSE";
    case SHT_MIPS_PDESC:         return "MIPS_PDESC";
    case SHT_MIPS_LOCSYM:        return "MIPS_LOCSYM";
    case SHT_MIPS_AUXSYM:        return "MIPS_AUXSYM";
    case SHT_MIPS_OPTSYM:        return "MIPS_OPTSYM";
    case SHT_MIPS_LOCSTR:        return "MIPS_LOCSTR";
    case SHT_MIPS_LINE:          return "MIPS_LINE";
    case SHT_MIPS_RFDESC:        return "MIPS_RFDESC";
    case SHT_MIPS_DELTASYM:      return "MIPS_DELTASYM";
    case SHT_MIPS_DELTAINST:     return "MIPS_DELTAINST";
    case SHT_MIPS_DELTACLASS:    return "MIPS_DELTACLASS";
    case SHT_MIPS_DWARF:         return "MIPS_DWARF";
    case SHT_MIPS_DELTADECL:     return "MIPS_DELTADECL";
    case SHT_MIPS_SYMBOL_LIB:    return "MIPS_SYMBOL_LIB";
    case SHT_MIPS_EVENTS:        return "MIPS_EVENTS";
    case SHT_MIPS_TRANSLATE:     return "MIPS_TRANSLATE";
    case SHT_MIPS_PIXIE:         return "MIPS_PIXIE";
    case SHT_MIPS_XLATE:         return "MIPS_XLATE";
    case SHT_MIPS_XLATE_DEBUG:   return "MIPS_XLATE_DEBUG";
    case SHT_MIPS_WHIRL:         return "MIPS_WHIRL";
    case SHT_MIPS_EH_REGION:     return "MIPS_EH_REGION";
    case SHT_MIPS_XLATE_OLD:     return "MIPS_XLATE_OLD";
    case SHT_MIPS_PDR_EXCEPTION: return "MIPS_PDR_EXCEPTION";
    default:
      break;
    }
  return NULL;
}

static const char *
get_parisc_section_type_name (sh_type)
     unsigned int sh_type;
{
  switch (sh_type)
    {
    case SHT_PARISC_EXT:	return "PARISC_EXT";
    case SHT_PARISC_UNWIND:	return "PARISC_UNWIND";
    case SHT_PARISC_DOC:	return "PARISC_DOC";
    default:
      break;
    }
  return NULL;
}

static const char *
get_ia64_section_type_name (sh_type)
     unsigned int sh_type;
{
  switch (sh_type)
    {
    case SHT_IA_64_EXT:		return "IA_64_EXT";
    case SHT_IA_64_UNWIND:	return "IA_64_UNWIND";
    default:
      break;
    }
  return NULL;
}

static const char *
get_section_type_name (sh_type)
     unsigned int sh_type;