/* Generic BFD support for file formats.
- Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1999, 2000, 2001
- Free Software Foundation, Inc.
+ Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1999, 2000, 2001, 2002,
+ 2003, 2005 Free Software Foundation, Inc.
Written by Cygnus Support.
-This file is part of BFD, the Binary File Descriptor library.
+ 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 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.
+ 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. */
+ 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
/*
SECTION
bfd_check_format
SYNOPSIS
- boolean bfd_check_format(bfd *abfd, bfd_format format);
+ bfd_boolean bfd_check_format (bfd *abfd, bfd_format format);
DESCRIPTION
Verify if the file attached to the BFD @var{abfd} is compatible
matches, it is used. If not, exactly one target must recognize
the file, or an error results.
- The function returns <<true>> on success, otherwise <<false>>
+ The function returns <<TRUE>> on success, otherwise <<FALSE>>
with one of the following error codes:
o <<bfd_error_invalid_operation>> -
more than one backend recognised the file format.
*/
-boolean
-bfd_check_format (abfd, format)
- bfd *abfd;
- bfd_format format;
+bfd_boolean
+bfd_check_format (bfd *abfd, bfd_format format)
{
return bfd_check_format_matches (abfd, format, NULL);
}
bfd_check_format_matches
SYNOPSIS
- boolean bfd_check_format_matches(bfd *abfd, bfd_format format, char ***matching);
+ bfd_boolean bfd_check_format_matches
+ (bfd *abfd, bfd_format format, char ***matching);
DESCRIPTION
- Like <<bfd_check_format>>, except when it returns false with
+ Like <<bfd_check_format>>, except when it returns FALSE with
<<bfd_errno>> set to <<bfd_error_file_ambiguously_recognized>>. In that
case, if @var{matching} is not NULL, it will be filled in with
a NULL-terminated list of the names of the formats that matched,
should free it.
*/
-boolean
-bfd_check_format_matches (abfd, format, matching)
- bfd *abfd;
- bfd_format format;
- char ***matching;
+bfd_boolean
+bfd_check_format_matches (bfd *abfd, bfd_format format, char ***matching)
{
extern const bfd_target binary_vec;
- const bfd_target * const *target, *save_targ, *right_targ, *ar_right_targ;
- char **matching_vector = NULL;
+ const bfd_target * const *target;
+ const bfd_target **matching_vector = NULL;
+ const bfd_target *save_targ, *right_targ, *ar_right_targ;
int match_count;
int ar_match_index;
if (!bfd_read_p (abfd)
- || abfd->format < bfd_unknown
- || abfd->format >= bfd_type_end)
+ || (unsigned int) abfd->format >= (unsigned int) bfd_type_end)
{
bfd_set_error (bfd_error_invalid_operation);
- return false;
+ return FALSE;
}
if (abfd->format != bfd_unknown)
if (matching)
{
+ bfd_size_type amt;
+
*matching = NULL;
- matching_vector =
- (char **) bfd_malloc (sizeof (char *)
- * 2 * _bfd_target_vector_entries);
+ amt = sizeof (*matching_vector) * 2 * _bfd_target_vector_entries;
+ matching_vector = bfd_malloc (amt);
if (!matching_vector)
- return false;
+ return FALSE;
}
right_targ = 0;
/* If the target type was explicitly specified, just check that target. */
if (!abfd->target_defaulted)
{
- if (bfd_seek (abfd, (file_ptr)0, SEEK_SET) != 0) /* rewind! */
- return false;
+ if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) /* rewind! */
+ {
+ if (matching)
+ free (matching_vector);
+ return FALSE;
+ }
right_targ = BFD_SEND_FMT (abfd, _bfd_check_format, (abfd));
if (matching)
free (matching_vector);
- return true; /* File position has moved, BTW. */
+ /* If the file was opened for update, then `output_has_begun'
+ some time ago when the file was created. Do not recompute
+ sections sizes or alignments in _bfd_set_section_contents.
+ We can not set this flag until after checking the format,
+ because it will interfere with creation of BFD sections. */
+ if (abfd->direction == both_direction)
+ abfd->output_has_begun = TRUE;
+
+ return TRUE; /* File position has moved, BTW. */
}
/* For a long time the code has dropped through to check all
bfd_set_error (bfd_error_file_not_recognized);
- return false;
+ return FALSE;
}
}
if (*target == &binary_vec)
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)
- return false;
+ if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
+ {
+ if (matching)
+ free (matching_vector);
+ return FALSE;
+ }
/* If _bfd_check_format neglects to set bfd_error, assume
bfd_error_wrong_format. We didn't used to even pay any
temp = BFD_SEND_FMT (abfd, _bfd_check_format, (abfd));
if (temp)
- { /* This format checks out as ok! */
+ {
+ /* This format checks out as ok! */
right_targ = temp;
/* If this is the default target, accept it, even if other
}
if (matching)
- matching_vector[match_count] = temp->name;
+ matching_vector[match_count] = temp;
match_count++;
-
-#ifdef GNU960
- /* Big- and little-endian b.out archives look the same, but it
- doesn't matter: there is no difference in their headers, and
- member file byte orders will (I hope) be handled appropriately
- by bfd. Ditto for big and little coff archives. And the 4
- coff/b.out object formats are unambiguous. So accept the
- first match we find. */
- break;
-#endif
}
else if ((err = bfd_get_error ()) == bfd_error_wrong_object_format
|| err == bfd_error_file_ambiguously_recognized)
if (ar_right_targ != bfd_default_vector[0])
ar_right_targ = *target;
if (matching)
- matching_vector[ar_match_index] = (*target)->name;
+ matching_vector[ar_match_index] = *target;
ar_match_index++;
}
else if (err != bfd_error_wrong_format)
if (matching)
free (matching_vector);
- return false;
+ return FALSE;
}
}
{
/* Try partial matches. */
right_targ = ar_right_targ;
+
if (right_targ == bfd_default_vector[0])
{
match_count = 1;
else
{
match_count = ar_match_index - _bfd_target_vector_entries;
+
if (matching && match_count > 1)
+ memcpy (matching_vector,
+ matching_vector + _bfd_target_vector_entries,
+ sizeof (*matching_vector) * match_count);
+ }
+ }
+
+ if (match_count > 1
+ && bfd_associated_vector != NULL
+ && matching)
+ {
+ const bfd_target * const *assoc = bfd_associated_vector;
+
+ while ((right_targ = *assoc++) != NULL)
+ {
+ int i = match_count;
+
+ while (--i >= 0)
+ if (matching_vector[i] == right_targ)
+ break;
+
+ if (i >= 0)
{
- memcpy (matching_vector,
- matching_vector + _bfd_target_vector_entries,
- sizeof (char *) * match_count);
+ match_count = 1;
+ break;
}
}
}
if (matching)
free (matching_vector);
- return true; /* File position has moved, BTW. */
+ /* If the file was opened for update, then `output_has_begun'
+ some time ago when the file was created. Do not recompute
+ sections sizes or alignments in _bfd_set_section_contents.
+ We can not set this flag until after checking the format,
+ because it will interfere with creation of BFD sections. */
+ if (abfd->direction == both_direction)
+ abfd->output_has_begun = TRUE;
+
+ return TRUE; /* File position has moved, BTW. */
}
abfd->xvec = save_targ; /* Restore original target type. */
if (matching)
{
- *matching = matching_vector;
+ *matching = (char **) matching_vector;
matching_vector[match_count] = NULL;
+ /* Return target names. This is a little nasty. Maybe we
+ should do another bfd_malloc? */
+ while (--match_count >= 0)
+ {
+ const char *name = matching_vector[match_count]->name;
+ *(const char **) &matching_vector[match_count] = name;
+ }
}
}
- return false;
+ return FALSE;
}
/*
bfd_set_format
SYNOPSIS
- boolean bfd_set_format(bfd *abfd, bfd_format format);
+ bfd_boolean bfd_set_format (bfd *abfd, bfd_format format);
DESCRIPTION
This function sets the file format of the BFD @var{abfd} to the
is not open for writing, then an error occurs.
*/
-boolean
-bfd_set_format (abfd, format)
- bfd *abfd;
- bfd_format format;
+bfd_boolean
+bfd_set_format (bfd *abfd, bfd_format format)
{
if (bfd_read_p (abfd)
- || abfd->format < bfd_unknown
- || abfd->format >= bfd_type_end)
+ || (unsigned int) abfd->format >= (unsigned int) bfd_type_end)
{
bfd_set_error (bfd_error_invalid_operation);
- return false;
+ return FALSE;
}
if (abfd->format != bfd_unknown)
- return (abfd->format == format) ? true : false;
+ return abfd->format == format;
/* Presume the answer is yes. */
abfd->format = format;
if (!BFD_SEND_FMT (abfd, _bfd_set_format, (abfd)))
{
abfd->format = bfd_unknown;
- return false;
+ return FALSE;
}
- return true;
+ return TRUE;
}
/*
bfd_format_string
SYNOPSIS
- const char *bfd_format_string(bfd_format format);
+ const char *bfd_format_string (bfd_format format);
DESCRIPTION
Return a pointer to a const string
*/
const char *
-bfd_format_string (format)
- bfd_format format;
+bfd_format_string (bfd_format format)
{
- if (((int)format <(int) bfd_unknown)
- || ((int)format >=(int) bfd_type_end))
+ if (((int) format < (int) bfd_unknown)
+ || ((int) format >= (int) bfd_type_end))
return "invalid";
switch (format)
{
case bfd_object:
- return "object"; /* Linker/assember/compiler output. */
+ return "object"; /* Linker/assembler/compiler output. */
case bfd_archive:
return "archive"; /* Object archive file. */
case bfd_core:
projects / deliverable / binutils-gdb.git / blobdiff