struct gdbarch *
gdbarch_from_bfd (bfd *abfd)
{
struct gdbarch_info info;
gdbarch_info_init (&info);
info.abfd = abfd;
return gdbarch_find_by_info (info);
}
/* Find gdbarch for SPU context SPUFS_FD. */
static struct gdbarch *
spu_gdbarch (int spufs_fd)
{
struct gdbarch_info info;
gdbarch_info_init (&info);
info.bfd_arch_info = bfd_lookup_arch (bfd_arch_spu, bfd_mach_spu);
info.byte_order = BFD_ENDIAN_BIG;
info.osabi = GDB_OSABI_LINUX;
info.tdep_info = (struct gdbarch_tdep_info *)&spufs_fd;
return gdbarch_find_by_info (info);
}
void
set_gdbarch_from_file (bfd *abfd)
{
struct gdbarch_info info;
struct gdbarch *gdbarch;
gdbarch_info_init (&info);
info.abfd = abfd;
info.target_desc = target_current_description ();
gdbarch = gdbarch_find_by_info (info);
if (gdbarch == NULL)
error (_("Architecture of file not recognized."));
set_target_gdbarch (gdbarch);
}
/* Try to select a global architecture that matches "info". Return
non-zero if the attempt succeeds. */
int
gdbarch_update_p (struct gdbarch_info info)
{
struct gdbarch *new_gdbarch;
/* Check for the current file. */
if (info.abfd == NULL)
info.abfd = exec_bfd;
if (info.abfd == NULL)
info.abfd = core_bfd;
/* Check for the current target description. */
if (info.target_desc == NULL)
info.target_desc = target_current_description ();
new_gdbarch = gdbarch_find_by_info (info);
/* If there no architecture by that name, reject the request. */
if (new_gdbarch == NULL)
{
if (gdbarch_debug)
fprintf_unfiltered (gdb_stdlog, "gdbarch_update_p: "
"Architecture not found\n");
return 0;
}
/* If it is the same old architecture, accept the request (but don't
swap anything). */
if (new_gdbarch == target_gdbarch ())
{
if (gdbarch_debug)
fprintf_unfiltered (gdb_stdlog, "gdbarch_update_p: "
"Architecture %s (%s) unchanged\n",
host_address_to_string (new_gdbarch),
gdbarch_bfd_arch_info (new_gdbarch)->printable_name);
return 1;
}
/* It's a new architecture, swap it in. */
if (gdbarch_debug)
fprintf_unfiltered (gdb_stdlog, "gdbarch_update_p: "
"New architecture %s (%s) selected\n",
host_address_to_string (new_gdbarch),
gdbarch_bfd_arch_info (new_gdbarch)->printable_name);
set_target_gdbarch (new_gdbarch);
return 1;
}
