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/* QNX specific support for 32-bit ELF

   Copyright 2002  Free Software Foundation, Inc.

   This file is part of BFD, the Binary File Descriptor library.

   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 2 of the License, or

   (at your option) any later version.

   This program 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 General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program; if not, write to the Free Software

   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */

  /* Returns the end address of the segment + 1.  */

#define SEGMENT_END(segment, start)                     \

  (start + (segment->p_memsz > segment->p_filesz        \

   ? segment->p_memsz : segment->p_filesz))

static boolean elf_qnx_copy_private_bfd_data_p

  PARAMS ((bfd *, asection *, bfd *, asection *));

static boolean elf_qnx_is_contained_by_filepos

  PARAMS ((asection *, Elf_Internal_Phdr *));

static void elf_qnx_set_nonloadable_filepos

  PARAMS ((bfd *, Elf_Internal_Phdr *));

static boolean

elf_qnx_copy_private_bfd_data_p (ibfd, isec, obfd, osec)

     bfd *ibfd;

     asection *isec;

     bfd *obfd;

     asection *osec;

{

  /* We don't use these parameters, but another target might.  */

  ibfd = ibfd;

  obfd = obfd;

  osec = osec;

  return isec->next == NULL;

}

static boolean

elf_qnx_is_contained_by_filepos (section, segment)

     asection *section;

     Elf_Internal_Phdr *segment;

{

  return ((bfd_vma) section->filepos >= segment->p_offset

          && ((bfd_vma) section->filepos + section->_raw_size

              <= SEGMENT_END (segment, segment->p_offset)));

}

static void

elf_qnx_set_nonloadable_filepos (abfd, phdrs)

     bfd *abfd;

     Elf_Internal_Phdr *phdrs;

{

  struct elf_segment_map *m;

  Elf_Internal_Phdr *p;

  file_ptr off = 0;

  for (m = elf_tdata (abfd)->segment_map, p = phdrs;

       m != NULL;

       m = m->next, p++)

    {

      unsigned int i;

      asection **secpp;

      for (i = 0, secpp = m->sections; i < m->count; i++, secpp++)

        {

          asection *sec;

          sec = *secpp;

          if (p->p_type == PT_LOAD)

            off = sec->filepos;

          else

            {

              if (i == 0)

                {

                  if (sec->filepos)

                    p->p_offset = sec->filepos;

                  else

                    p->p_offset = off;

                }

              if (!sec->filepos)

                {

                  off += sec->_raw_size;

                  p->p_filesz += sec->_raw_size;

                }

            }

        }

    }

  return;

}

#ifndef elf_backend_set_nonloadable_filepos

#define elf_backend_set_nonloadable_filepos elf_qnx_set_nonloadable_filepos

#endif

#ifndef elf_backend_is_contained_by_filepos

#define elf_backend_is_contained_by_filepos elf_qnx_is_contained_by_filepos

#endif

#ifndef elf_backend_copy_private_bfd_data_p

#define elf_backend_copy_private_bfd_data_p elf_qnx_copy_private_bfd_data_p

#endif