/* Machine-dependent ELF indirect relocation inline functions.

   SPARC 64-bit version.

   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 _DL_IREL_H

#define _DL_IREL_H

#include <stdio.h>

#include <unistd.h>

#include <dl-plt.h>

#include <ldsodefs.h>

#define ELF_MACHINE_IRELA	1

static inline Elf64_Addr

__attribute ((always_inline))

elf_ifunc_invoke (Elf64_Addr addr)

{

  return ((Elf64_Addr (*) (int)) (addr)) (GLRO(dl_hwcap));

}

static inline void

__attribute ((always_inline))

elf_irela (const Elf64_Rela *reloc)

{

  unsigned int r_type = (reloc->r_info & 0xff);

  if (__glibc_likely (r_type == R_SPARC_IRELATIVE))

    {

      Elf64_Addr *const reloc_addr = (void *) reloc->r_offset;

      Elf64_Addr value = elf_ifunc_invoke(reloc->r_addend);

      *reloc_addr = value;

    }

  else if (__glibc_likely (r_type == R_SPARC_JMP_IREL))

    {

      Elf64_Addr *const reloc_addr = (void *) reloc->r_offset;

      Elf64_Addr value = elf_ifunc_invoke(reloc->r_addend);

      struct link_map map = { .l_addr = 0 };

      /* 'high' is always zero, for large PLT entries the linker

	 emits an R_SPARC_IRELATIVE.  */

      sparc64_fixup_plt (&map, reloc, reloc_addr, value, 0, 0);

    }

  else if (r_type == R_SPARC_NONE)

    ;

  else

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

}

#endif /* dl-irel.h */