void
gdbarch_info_fill (struct gdbarch_info *info)
{
/* "(gdb) set architecture ...". */
if (info->bfd_arch_info == NULL
&& target_architecture_user)
info->bfd_arch_info = target_architecture_user;
/* From the file. */
if (info->bfd_arch_info == NULL
&& info->abfd != NULL
&& bfd_get_arch (info->abfd) != bfd_arch_unknown
&& bfd_get_arch (info->abfd) != bfd_arch_obscure)
info->bfd_arch_info = bfd_get_arch_info (info->abfd);
/* From the target. */
if (info->target_desc != NULL)
info->bfd_arch_info = choose_architecture_for_target
(info->target_desc, info->bfd_arch_info);
/* From the default. */
if (info->bfd_arch_info == NULL)
info->bfd_arch_info = default_bfd_arch;
/* "(gdb) set byte-order ...". */
if (info->byte_order == BFD_ENDIAN_UNKNOWN
&& target_byte_order_user != BFD_ENDIAN_UNKNOWN)
info->byte_order = target_byte_order_user;
/* From the INFO struct. */
if (info->byte_order == BFD_ENDIAN_UNKNOWN
&& info->abfd != NULL)
info->byte_order = (bfd_big_endian (info->abfd) ? BFD_ENDIAN_BIG
: bfd_little_endian (info->abfd) ? BFD_ENDIAN_LITTLE
: BFD_ENDIAN_UNKNOWN);
/* From the default. */
if (info->byte_order == BFD_ENDIAN_UNKNOWN)
info->byte_order = default_byte_order;
info->byte_order_for_code = info->byte_order;
/* "(gdb) set osabi ...". Handled by gdbarch_lookup_osabi. */
/* From the manual override, or from file. */
if (info->osabi == GDB_OSABI_UNINITIALIZED)
info->osabi = gdbarch_lookup_osabi (info->abfd);
/* From the target. */
if (info->osabi == GDB_OSABI_UNKNOWN && info->target_desc != NULL)
info->osabi = tdesc_osabi (info->target_desc);
/* From the configured default. */
#ifdef GDB_OSABI_DEFAULT
if (info->osabi == GDB_OSABI_UNKNOWN)
info->osabi = GDB_OSABI_DEFAULT;
#endif
/* Must have at least filled in the architecture. */
gdb_assert (info->bfd_arch_info != NULL);
}
bfd *
open_bfd_matching_arch (bfd *archive_bfd, bfd_format expected_format)
{
enum gdb_osabi osabi;
bfd *abfd;
osabi = GDB_OSABI_UNINITIALIZED;
abfd = NULL;
osabi = gdbarch_osabi (get_current_arch ());
if ((osabi <= GDB_OSABI_UNKNOWN) || (osabi >= GDB_OSABI_INVALID))
osabi = gdbarch_lookup_osabi (archive_bfd);
// FIXME: gdbarch_lookup_osabi() doesn't work yet on archive_bfd, hardcode
if ((osabi <= GDB_OSABI_UNKNOWN) || (osabi >= GDB_OSABI_INVALID))
osabi = GDB_OSABI_DARWIN;
for (;;)
{
abfd = bfd_openr_next_archived_file (archive_bfd, abfd);
if (abfd == NULL)
break;
if (! bfd_check_format (abfd, expected_format))
continue;
if (osabi == gdbarch_lookup_osabi_from_bfd (abfd))
break;
}
// Copy the filename of the archive to the binary bfd.
if (abfd)
{
xfree(abfd->filename);
abfd->filename = archive_bfd->filename;
}
return abfd;
}
