/* Copyright (C) 1999-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Alexandre Oliva <aoliva@redhat.com>

   Based on work ../x86_64/readelflib.c,

   contributed by Andreas Jaeger <aj@suse.de>, 1999 and

		  Jakub Jelinek <jakub@redhat.com>, 1999.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library.  If not, see

   <http://www.gnu.org/licenses/>.  */

int process_elf32_file (const char *file_name, const char *lib, int *flag,

			unsigned int *osversion, char **soname,

			void *file_contents, size_t file_length);

int process_elf64_file (const char *file_name, const char *lib, int *flag,

			unsigned int *osversion, char **soname,

			void *file_contents, size_t file_length);

/* Returns 0 if everything is ok, != 0 in case of error.  */

int

process_elf_file (const char *file_name, const char *lib, int *flag,

		  unsigned int *osversion, char **soname, void *file_contents,

		  size_t file_length)

{

  union

    {

      Elf64_Ehdr *eh64;

      Elf32_Ehdr *eh32;

      ElfW(Ehdr) *eh;

    }

  elf_header;

  int ret;

  elf_header.eh = file_contents;

  if (elf_header.eh->e_ident [EI_CLASS] == ELFCLASS32)

    {

      ret = process_elf32_file (file_name, lib, flag, osversion, soname,

				file_contents, file_length);

      if (!ret)

	{

	  Elf32_Word flags = elf_header.eh32->e_flags;

	  int nan2008 = (flags & EF_MIPS_NAN2008) != 0;

	  /* n32 libraries are always libc.so.6+, o32 only if 2008 NaN.  */

	  if ((flags & EF_MIPS_ABI2) != 0)

	    *flag = (nan2008 ? FLAG_MIPS64_LIBN32_NAN2008

		     : FLAG_MIPS64_LIBN32) | FLAG_ELF_LIBC6;

	  else if (nan2008)

	    *flag = FLAG_MIPS_LIB32_NAN2008 | FLAG_ELF_LIBC6;

	}

    }

  else

    {

      ret = process_elf64_file (file_name, lib, flag, osversion, soname,

				file_contents, file_length);

      /* n64 libraries are always libc.so.6+.  */

      if (!ret)

	{

	  Elf64_Word flags = elf_header.eh64->e_flags;

	  int nan2008 = (flags & EF_MIPS_NAN2008) != 0;

	  *flag = (nan2008 ? FLAG_MIPS64_LIBN64_NAN2008

		   : FLAG_MIPS64_LIBN64) | FLAG_ELF_LIBC6;

	}

    }

  return ret;

}

#undef __ELF_NATIVE_CLASS

#undef process_elf_file

#define process_elf_file process_elf32_file

#define __ELF_NATIVE_CLASS 32

#include "elf/readelflib.c"

#undef __ELF_NATIVE_CLASS

#undef process_elf_file

#define process_elf_file process_elf64_file

#define __ELF_NATIVE_CLASS 64

#include "elf/readelflib.c"