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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [bfd/] [format.c] - Diff between revs 14 and 148

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Rev 14 Rev 148
Line 119... Line 119...
bfd_check_format_matches (bfd *abfd, bfd_format format, char ***matching)
bfd_check_format_matches (bfd *abfd, bfd_format format, char ***matching)
{
{
  extern const bfd_target binary_vec;
  extern const bfd_target binary_vec;
  const bfd_target * const *target;
  const bfd_target * const *target;
  const bfd_target **matching_vector = NULL;
  const bfd_target **matching_vector = NULL;
  const bfd_target *save_targ, *right_targ, *ar_right_targ;
  const bfd_target *save_targ, *right_targ, *ar_right_targ, *match_targ;
  int match_count;
  int match_count, best_count, best_match;
  int ar_match_index;
  int ar_match_index;
 
 
  if (matching != NULL)
  if (matching != NULL)
    *matching = NULL;
    *matching = NULL;
 
 
Line 154... Line 154...
        return FALSE;
        return FALSE;
    }
    }
 
 
  right_targ = 0;
  right_targ = 0;
  ar_right_targ = 0;
  ar_right_targ = 0;
 
  match_targ = 0;
 
  best_match = 256;
 
  best_count = 0;
 
 
  /* Presume the answer is yes.  */
  /* Presume the answer is yes.  */
  abfd->format = format;
  abfd->format = format;
 
 
  /* If the target type was explicitly specified, just check that target.  */
  /* If the target type was explicitly specified, just check that target.  */
Line 192... Line 195...
      const bfd_target *temp;
      const bfd_target *temp;
      bfd_error_type err;
      bfd_error_type err;
 
 
      /* Don't check the default target twice.  */
      /* Don't check the default target twice.  */
      if (*target == &binary_vec
      if (*target == &binary_vec
          || (!abfd->target_defaulted && *target == save_targ))
          || (!abfd->target_defaulted && *target == save_targ)
 
          || (*target)->match_priority > best_match)
        continue;
        continue;
 
 
      abfd->xvec = *target;     /* Change BFD's target temporarily.  */
      abfd->xvec = *target;     /* Change BFD's target temporarily.  */
 
 
      if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
      if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
Line 207... Line 211...
         attention to bfd_error, so I suspect that some
         attention to bfd_error, so I suspect that some
         _bfd_check_format might have this problem.  */
         _bfd_check_format might have this problem.  */
      bfd_set_error (bfd_error_wrong_format);
      bfd_set_error (bfd_error_wrong_format);
 
 
      temp = BFD_SEND_FMT (abfd, _bfd_check_format, (abfd));
      temp = BFD_SEND_FMT (abfd, _bfd_check_format, (abfd));
 
      if (temp)
 
        match_targ = temp;
 
 
      if (temp && (abfd->format != bfd_archive || bfd_has_map (abfd)))
      if (temp && (abfd->format != bfd_archive || bfd_has_map (abfd)))
        {
        {
          /* This format checks out as ok!  */
          /* This format checks out as ok!  */
          right_targ = temp;
          right_targ = temp;
 
 
          /* If this is the default target, accept it, even if other
          /* If this is the default target, accept it, even if other
             targets might match.  People who want those other targets
             targets might match.  People who want those other targets
             have to set the GNUTARGET variable.  */
             have to set the GNUTARGET variable.  */
          if (temp == bfd_default_vector[0])
          if (temp == bfd_default_vector[0])
            {
            goto ok_ret;
              match_count = 1;
 
              break;
 
            }
 
 
 
          if (matching_vector)
          if (matching_vector)
            matching_vector[match_count] = temp;
            matching_vector[match_count] = temp;
          match_count++;
          match_count++;
 
 
 
          if (temp->match_priority < best_match)
 
            {
 
              best_match = temp->match_priority;
 
              best_count = 0;
 
            }
 
          best_count++;
        }
        }
      else if (temp
      else if (temp
               || (err = bfd_get_error ()) == bfd_error_wrong_object_format
               || (err = bfd_get_error ()) == bfd_error_wrong_object_format
               || err == bfd_error_file_ambiguously_recognized)
               || err == bfd_error_file_ambiguously_recognized)
        {
        {
Line 243... Line 253...
        }
        }
      else if (err != bfd_error_wrong_format)
      else if (err != bfd_error_wrong_format)
        goto err_ret;
        goto err_ret;
    }
    }
 
 
 
  if (best_count == 1)
 
    match_count = 1;
 
 
  if (match_count == 0)
  if (match_count == 0)
    {
    {
      /* Try partial matches.  */
      /* Try partial matches.  */
      right_targ = ar_right_targ;
      right_targ = ar_right_targ;
 
 
Line 285... Line 298...
        }
        }
    }
    }
 
 
  if (match_count == 1)
  if (match_count == 1)
    {
    {
    ok_ret:
      abfd->xvec = right_targ;
      abfd->xvec = right_targ;          /* Change BFD's target permanently.  */
      /* If we come out of the loop knowing that the last target that
 
         matched is the one we want, then ABFD should still be in a usable
 
         state (except possibly for XVEC).  */
 
      if (match_targ != right_targ)
 
        {
 
          if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
 
            goto err_ret;
 
          match_targ = BFD_SEND_FMT (abfd, _bfd_check_format, (abfd));
 
        }
 
 
 
    ok_ret:
      /* If the file was opened for update, then `output_has_begun'
      /* If the file was opened for update, then `output_has_begun'
         some time ago when the file was created.  Do not recompute
         some time ago when the file was created.  Do not recompute
         sections sizes or alignments in _bfd_set_section_contents.
         sections sizes or alignments in _bfd_set_section_contents.
         We can not set this flag until after checking the format,
         We can not set this flag until after checking the format,
         because it will interfere with creation of BFD sections.  */
         because it will interfere with creation of BFD sections.  */

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