+/* Set the data window to display the registers of the register group
+ using the given frame. Values are refreshed only when refresh_values_only
+ is TRUE. */
+
+static enum tui_status
+tui_show_register_group (struct gdbarch *gdbarch, struct reggroup *group,
+ struct frame_info *frame, int refresh_values_only)
+{
+ enum tui_status ret = TUI_FAILURE;
+ int nr_regs;
+ int allocated_here = FALSE;
+ int regnum, pos;
+ char title[80];
+ struct tui_data_info *display_info = &TUI_DATA_WIN->detail.data_display_info;
+
+ /* Make a new title showing which group we display. */
+ snprintf (title, sizeof (title) - 1, "Register group: %s",
+ reggroup_name (group));
+ xfree (TUI_DATA_WIN->generic.title);
+ TUI_DATA_WIN->generic.title = xstrdup (title);
+
+ /* See how many registers must be displayed. */
+ nr_regs = 0;
+ for (regnum = 0;
+ regnum < gdbarch_num_regs (current_gdbarch)
+ + gdbarch_num_pseudo_regs (current_gdbarch);
+ regnum++)
+ {
+ /* Must be in the group and have a name. */
+ if (gdbarch_register_reggroup_p (gdbarch, regnum, group)
+ && gdbarch_register_name (gdbarch, regnum) != 0)
+ nr_regs++;
+ }
+
+ if (display_info->regs_content_count > 0 && !refresh_values_only)
+ {
+ tui_free_data_content (display_info->regs_content,
+ display_info->regs_content_count);
+ display_info->regs_content_count = 0;
+ }
+
+ if (display_info->regs_content_count <= 0)
+ {
+ display_info->regs_content = tui_alloc_content (nr_regs, DATA_WIN);
+ allocated_here = TRUE;
+ refresh_values_only = FALSE;
+ }
+
+ if (display_info->regs_content != (tui_win_content) NULL)
+ {
+ if (!refresh_values_only || allocated_here)
+ {
+ TUI_DATA_WIN->generic.content = (void*) NULL;
+ TUI_DATA_WIN->generic.content_size = 0;
+ tui_add_content_elements (&TUI_DATA_WIN->generic, nr_regs);
+ display_info->regs_content
+ = (tui_win_content) TUI_DATA_WIN->generic.content;
+ display_info->regs_content_count = nr_regs;
+ }
+
+ /* Now set the register names and values */
+ pos = 0;
+ for (regnum = 0;
+ regnum < gdbarch_num_regs (current_gdbarch)
+ + gdbarch_num_pseudo_regs (current_gdbarch);
+ regnum++)
+ {
+ struct tui_gen_win_info *data_item_win;
+ struct tui_data_element *data;
+ const char *name;
+
+ if (!gdbarch_register_reggroup_p (gdbarch, regnum, group))
+ continue;
+
+ name = gdbarch_register_name (gdbarch, regnum);
+ if (name == 0)
+ continue;
+
+ data_item_win =
+ &display_info->regs_content[pos]->which_element.data_window;
+ data =
+ &((struct tui_win_element *) data_item_win->content[0])->which_element.data;
+ if (data)
+ {
+ if (!refresh_values_only)
+ {
+ data->item_no = regnum;
+ data->name = name;
+ data->highlight = FALSE;
+ }
+ if (data->value == (void*) NULL)
+ data->value = (void*) xmalloc (MAX_REGISTER_SIZE);
+
+ tui_get_register (gdbarch, frame, data, regnum, 0);
+ }
+ pos++;
+ }
+
+ TUI_DATA_WIN->generic.content_size =
+ display_info->regs_content_count + display_info->data_content_count;
+ ret = TUI_SUCCESS;
+ }
+
+ return ret;
+}
+