static SCM
frscm_scm_from_frame (struct frame_info *frame, struct inferior *inferior)
{
frame_smob *f_smob, f_smob_for_lookup;
SCM f_scm;
htab_t htab;
eqable_gdb_smob **slot;
struct frame_id frame_id = null_frame_id;
struct gdbarch *gdbarch = NULL;
int frame_id_is_next = 0;
/* If we've already created a gsmob for this frame, return it.
This makes frames eq?-able. */
htab = frscm_inferior_frame_map (inferior);
f_smob_for_lookup.frame_id = get_frame_id (frame);
f_smob_for_lookup.inferior = inferior;
slot = gdbscm_find_eqable_gsmob_ptr_slot (htab, &f_smob_for_lookup.base);
if (*slot != NULL)
return (*slot)->containing_scm;
TRY
{
/* Try to get the previous frame, to determine if this is the last frame
in a corrupt stack. If so, we need to store the frame_id of the next
frame and not of this one (which is possibly invalid). */
if (get_prev_frame (frame) == NULL
&& get_frame_unwind_stop_reason (frame) != UNWIND_NO_REASON
&& get_next_frame (frame) != NULL)
{
frame_id = get_frame_id (get_next_frame (frame));
frame_id_is_next = 1;
}
else
{
frame_id = get_frame_id (frame);
frame_id_is_next = 0;
}
gdbarch = get_frame_arch (frame);
}
CATCH (except, RETURN_MASK_ALL)
{
return gdbscm_scm_from_gdb_exception (except);
}
END_CATCH
f_scm = frscm_make_frame_smob ();
f_smob = (frame_smob *) SCM_SMOB_DATA (f_scm);
f_smob->frame_id = frame_id;
f_smob->gdbarch = gdbarch;
f_smob->inferior = inferior;
f_smob->frame_id_is_next = frame_id_is_next;
gdbscm_fill_eqable_gsmob_ptr_slot (slot, &f_smob->base);
return f_scm;
}
static char *
tyscm_type_name (struct type *type, SCM *excp)
{
char *name = NULL;
TRY
{
struct cleanup *old_chain;
struct ui_file *stb;
stb = mem_fileopen ();
old_chain = make_cleanup_ui_file_delete (stb);
LA_PRINT_TYPE (type, "", stb, -1, 0, &type_print_raw_options);
name = ui_file_xstrdup (stb, NULL);
do_cleanups (old_chain);
}
CATCH (except, RETURN_MASK_ALL)
{
*excp = gdbscm_scm_from_gdb_exception (except);
return NULL;
}
void
gdbscm_throw_gdb_exception (struct gdb_exception exception)
{
gdbscm_throw (gdbscm_scm_from_gdb_exception (exception));
}
CATCH (except, RETURN_MASK_ALL)
{
SCM excp = gdbscm_scm_from_gdb_exception (except);
gdbscm_throw (excp);
}