/* Machine-dependent ELF indirect relocation inline functions.

   Version for S/390 32 and 64 bit.

   Copyright (C) 2012-2018 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_IRELA	1

static inline ElfW(Addr)

__attribute ((always_inline))

elf_ifunc_invoke (ElfW(Addr) addr)

{

  return ((ElfW(Addr) (*) (unsigned long int)) (addr)) (GLRO(dl_hwcap));

}

static inline void

__attribute ((always_inline))

elf_irela (const ElfW(Rela) *reloc)

{

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

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

  if (__glibc_likely (r_type == R_390_IRELATIVE))

    {

      ElfW(Addr) value = elf_ifunc_invoke(reloc->r_addend);

      *reloc_addr = value;

    }

  else

    __libc_fatal ("Unexpected reloc type in static binary.\n");

}

#endif /* dl-irel.h */