/* Run-time dynamic linker data structures for loaded ELF shared objects.  GNU.

   Copyright (C) 2001-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   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/>.  */

#ifndef _GNU_LDSODEFS_H

#define _GNU_LDSODEFS_H 1

#include <elf.h>

#include <libc-abis.h>

#include <string.h>

/* Accept binaries which identify the binary as using GNU extensions.  */

#define VALID_ELF_HEADER(hdr,exp,size)	(memcmp (hdr, exp, size) == 0	\

					 || memcmp (hdr, expected2, size) == 0)

#define VALID_ELF_OSABI(osabi)		(osabi == ELFOSABI_SYSV \

					 || osabi == ELFOSABI_GNU)

#define VALID_ELF_ABIVERSION(osabi,ver) \

  (ver == 0 || (osabi == ELFOSABI_GNU && ver < LIBC_ABI_MAX))

#define MORE_ELF_HEADER_DATA \

  static const unsigned char expected2[EI_PAD] =	\

  {							\

    [EI_MAG0] = ELFMAG0,				\

    [EI_MAG1] = ELFMAG1,				\

    [EI_MAG2] = ELFMAG2,				\

    [EI_MAG3] = ELFMAG3,				\

    [EI_CLASS] = ELFW(CLASS),				\

    [EI_DATA] = byteorder,				\

    [EI_VERSION] = EV_CURRENT,				\

    [EI_OSABI] = ELFOSABI_GNU				\

  }

#include_next <ldsodefs.h>

#endif /* _GNU_LDSODEFS_H */