void
darwin_check_osabi (darwin_inferior *inf, thread_t thread)
{
if (gdbarch_osabi (target_gdbarch) == GDB_OSABI_UNKNOWN)
{
/* Attaching to a process. Let's figure out what kind it is. */
x86_thread_state_t gp_regs;
struct gdbarch_info info;
unsigned int gp_count = x86_THREAD_STATE_COUNT;
kern_return_t ret;
ret = thread_get_state (thread, x86_THREAD_STATE,
(thread_state_t) &gp_regs, &gp_count);
if (ret != KERN_SUCCESS)
{
MACH_CHECK_ERROR (ret);
return;
}
gdbarch_info_init (&info);
gdbarch_info_fill (&info);
info.byte_order = gdbarch_byte_order (target_gdbarch);
info.osabi = GDB_OSABI_DARWIN;
if (gp_regs.tsh.flavor == x86_THREAD_STATE64)
info.bfd_arch_info = bfd_lookup_arch (bfd_arch_i386,
bfd_mach_x86_64);
else
info.bfd_arch_info = bfd_lookup_arch (bfd_arch_i386,
bfd_mach_i386_i386);
gdbarch_update_p (info);
}
}
static void
show_osabi (struct ui_file *file, int from_tty, struct cmd_list_element *c,
const char *value)
{
if (user_osabi_state == osabi_auto)
fprintf_filtered (file,
_("The current OS ABI is \"auto\" "
"(currently \"%s\").\n"),
gdbarch_osabi_name (gdbarch_osabi (get_current_arch ())));
else
fprintf_filtered (file, _("The current OS ABI is \"%s\".\n"),
gdbarch_osabi_name (user_selected_osabi));
if (GDB_OSABI_DEFAULT != GDB_OSABI_UNKNOWN)
fprintf_filtered (file, _("The default OS ABI is \"%s\".\n"),
gdbarch_osabi_name (GDB_OSABI_DEFAULT));
}
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;
}
