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

   Copyright (C) 2010-2018 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 _ARM_LINUX_LDSODEFS_H

#define _ARM_LINUX_LDSODEFS_H 1

#include_next <ldsodefs.h>

#undef VALID_ELF_HEADER

#undef VALID_ELF_OSABI

#undef MORE_ELF_HEADER_DATA

#define EXTRA_OSABI ELFOSABI_ARM_AEABI

#ifdef __ARM_PCS_VFP

# define VALID_FLOAT_ABI(x) \

  ((EF_ARM_EABI_VERSION ((x)) != EF_ARM_EABI_VER5)	\

   || !((x) & EF_ARM_ABI_FLOAT_SOFT))

#else

# define VALID_FLOAT_ABI(x) \

  ((EF_ARM_EABI_VERSION ((x)) != EF_ARM_EABI_VER5)	\

   || !((x) & EF_ARM_ABI_FLOAT_HARD))

#endif

#undef VALID_ELF_HEADER

#define VALID_ELF_HEADER(hdr,exp,size)		\

  ((memcmp (hdr, exp, size) == 0		\

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

    || memcmp (hdr, expected3, size) == 0)	\

   && VALID_FLOAT_ABI (ehdr->e_flags))

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

					 || osabi == ELFOSABI_GNU	\

					 || osabi == EXTRA_OSABI)

#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				\

  };							\

  static const unsigned char expected3[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] = EXTRA_OSABI				\

  }

#endif