/* Machine-dependent ELF indirect relocation inline functions.

   ARM version.

   Copyright (C) 2009-2018 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 _DL_IREL_H

#define _DL_IREL_H

#include <stdio.h>

#include <unistd.h>

#include <ldsodefs.h>

#define ELF_MACHINE_IREL	1

static inline Elf32_Addr

__attribute ((always_inline))

elf_ifunc_invoke (Elf32_Addr addr)

{

  return ((Elf32_Addr (*) (unsigned long int)) (addr)) (GLRO(dl_hwcap));

}

static inline void

__attribute ((always_inline))

elf_irel (const Elf32_Rel *reloc)

{

  Elf32_Addr *const reloc_addr = (void *) reloc->r_offset;

  const unsigned long int r_type = ELF32_R_TYPE (reloc->r_info);

  if (__builtin_expect (r_type == R_ARM_IRELATIVE, 1))

    {

      Elf32_Addr value = elf_ifunc_invoke (*reloc_addr);

      *reloc_addr = value;

    }

  else

    __libc_fatal ("unexpected reloc type in static binary");

}

#endif /* dl-irel.h */