/* TUI display registers in window.
- Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008, 2009,
- 2010 Free Software Foundation, Inc.
+ Copyright (C) 1998-2019 Free Software Foundation, Inc.
Contributed by Hewlett-Packard Company.
#include "regcache.h"
#include "inferior.h"
#include "target.h"
-#include "gdb_string.h"
#include "tui/tui-layout.h"
#include "tui/tui-win.h"
#include "tui/tui-windata.h"
#include "tui/tui-wingeneral.h"
#include "tui/tui-file.h"
#include "tui/tui-regs.h"
+#include "tui/tui-io.h"
#include "reggroups.h"
#include "valprint.h"
+#include "completer.h"
#include "gdb_curses.h"
struct tui_data_element *data,
int regnum, int *changedp);
-static void tui_register_format (struct frame_info *,
- struct tui_data_element*, int);
-
-static void tui_scroll_regs_forward_command (char *, int);
-static void tui_scroll_regs_backward_command (char *, int);
-
/*****************************************
{
int num_lines = (-1);
- if (TUI_DATA_WIN->detail.data_display_info.regs_content_count > 0)
+ if (TUI_DATA_WIN->regs_content_count > 0)
{
- num_lines = (TUI_DATA_WIN->detail.data_display_info.regs_content_count /
- TUI_DATA_WIN->detail.data_display_info.regs_column_count);
- if (TUI_DATA_WIN->detail.data_display_info.regs_content_count %
- TUI_DATA_WIN->detail.data_display_info.regs_column_count)
+ num_lines = (TUI_DATA_WIN->regs_content_count
+ / TUI_DATA_WIN->regs_column_count);
+ if (TUI_DATA_WIN->regs_content_count % TUI_DATA_WIN->regs_column_count)
num_lines++;
}
return num_lines;
int
tui_line_from_reg_element_no (int element_no)
{
- if (element_no < TUI_DATA_WIN->detail.data_display_info.regs_content_count)
+ if (element_no < TUI_DATA_WIN->regs_content_count)
{
int i, line = (-1);
i = 1;
while (line == (-1))
{
- if (element_no <
- (TUI_DATA_WIN->detail.data_display_info.regs_column_count * i))
+ if (element_no < TUI_DATA_WIN->regs_column_count * i)
line = i - 1;
else
i++;
int
tui_first_reg_element_no_inline (int line_no)
{
- if ((line_no * TUI_DATA_WIN->detail.data_display_info.regs_column_count)
- <= TUI_DATA_WIN->detail.data_display_info.regs_content_count)
- return ((line_no + 1) *
- TUI_DATA_WIN->detail.data_display_info.regs_column_count) -
- TUI_DATA_WIN->detail.data_display_info.regs_column_count;
+ if ((line_no * TUI_DATA_WIN->regs_column_count)
+ <= TUI_DATA_WIN->regs_content_count)
+ return (((line_no + 1) * TUI_DATA_WIN->regs_column_count)
+ - TUI_DATA_WIN->regs_column_count);
else
return (-1);
}
-/* Answer the index of the last element in line_no. If line_no is
- past the register area (-1) is returned. */
-int
-tui_last_reg_element_no_in_line (int line_no)
-{
- if ((line_no * TUI_DATA_WIN->detail.data_display_info.regs_column_count) <=
- TUI_DATA_WIN->detail.data_display_info.regs_content_count)
- return ((line_no + 1) *
- TUI_DATA_WIN->detail.data_display_info.regs_column_count) - 1;
- else
- return (-1);
-}
-
/* Show the registers of the given group in the data window
and refresh the window. */
void
tui_show_registers (struct reggroup *group)
{
enum tui_status ret = TUI_FAILURE;
- struct tui_data_info *display_info;
/* Make sure the curses mode is enabled. */
tui_enable ();
/* Make sure the register window is visible. If not, select an
appropriate layout. */
if (TUI_DATA_WIN == NULL || !TUI_DATA_WIN->generic.is_visible)
- tui_set_layout_for_display_command (DATA_NAME);
+ tui_set_layout_by_name (DATA_NAME);
- display_info = &TUI_DATA_WIN->detail.data_display_info;
if (group == 0)
group = general_reggroup;
/* Say that registers should be displayed, even if there is a
problem. */
- display_info->display_regs = TRUE;
+ TUI_DATA_WIN->display_regs = true;
if (target_has_registers && target_has_stack && target_has_memory)
{
- ret = tui_show_register_group (group, get_current_frame (),
- group == display_info->current_group);
+ ret = tui_show_register_group (group, get_selected_frame (NULL),
+ group == TUI_DATA_WIN->current_group);
}
if (ret == TUI_FAILURE)
{
- display_info->current_group = 0;
+ TUI_DATA_WIN->current_group = 0;
tui_erase_data_content (NO_REGS_STRING);
}
else
int i;
/* Clear all notation of changed values. */
- for (i = 0; i < display_info->regs_content_count; i++)
+ for (i = 0; i < TUI_DATA_WIN->regs_content_count; i++)
{
struct tui_gen_win_info *data_item_win;
struct tui_win_element *win;
- data_item_win = &display_info->regs_content[i]
+ data_item_win = &TUI_DATA_WIN->regs_content[i]
->which_element.data_window;
- win = (struct tui_win_element *) data_item_win->content[0];
+ win = data_item_win->content[0];
win->which_element.data.highlight = FALSE;
}
- display_info->current_group = group;
+ TUI_DATA_WIN->current_group = group;
tui_display_all_data ();
}
}
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",
/* See how many registers must be displayed. */
nr_regs = 0;
- for (regnum = 0;
- regnum < gdbarch_num_regs (gdbarch)
- + gdbarch_num_pseudo_regs (gdbarch);
- regnum++)
+ for (regnum = 0; regnum < gdbarch_num_cooked_regs (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++;
+ const char *name;
+
+ /* Must be in the group. */
+ if (!gdbarch_register_reggroup_p (gdbarch, regnum, group))
+ continue;
+
+ /* If the register name is empty, it is undefined for this
+ processor, so don't display anything. */
+ name = gdbarch_register_name (gdbarch, regnum);
+ if (name == 0 || *name == '\0')
+ continue;
+
+ nr_regs++;
}
- if (display_info->regs_content_count > 0 && !refresh_values_only)
+ if (TUI_DATA_WIN->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;
+ tui_free_data_content (TUI_DATA_WIN->regs_content,
+ TUI_DATA_WIN->regs_content_count);
+ TUI_DATA_WIN->regs_content_count = 0;
}
- if (display_info->regs_content_count <= 0)
+ if (TUI_DATA_WIN->regs_content_count <= 0)
{
- display_info->regs_content = tui_alloc_content (nr_regs, DATA_WIN);
+ TUI_DATA_WIN->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 (TUI_DATA_WIN->regs_content != NULL)
{
if (!refresh_values_only || allocated_here)
{
- TUI_DATA_WIN->generic.content = (void*) NULL;
+ TUI_DATA_WIN->generic.content = 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;
+ TUI_DATA_WIN->regs_content = TUI_DATA_WIN->generic.content;
+ TUI_DATA_WIN->regs_content_count = nr_regs;
}
/* Now set the register names and values. */
pos = 0;
- for (regnum = 0;
- regnum < gdbarch_num_regs (gdbarch)
- + gdbarch_num_pseudo_regs (gdbarch);
- regnum++)
+ for (regnum = 0; regnum < gdbarch_num_cooked_regs (gdbarch); regnum++)
{
struct tui_gen_win_info *data_item_win;
struct tui_data_element *data;
const char *name;
+ /* Must be in the group. */
if (!gdbarch_register_reggroup_p (gdbarch, regnum, group))
continue;
- name = gdbarch_register_name (gdbarch, regnum);
- if (name == 0)
- continue;
+ /* If the register name is empty, it is undefined for this
+ processor, so don't display anything. */
+ name = gdbarch_register_name (gdbarch, regnum);
+ if (name == 0 || *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;
+ &TUI_DATA_WIN->regs_content[pos]->which_element.data_window;
+ data = &data_item_win->content[0]->which_element.data;
if (data)
{
if (!refresh_values_only)
data->name = name;
data->highlight = FALSE;
}
- if (data->value == (void*) NULL)
- data->value = (void*) xmalloc (MAX_REGISTER_SIZE);
-
tui_get_register (frame, data, regnum, 0);
}
pos++;
}
TUI_DATA_WIN->generic.content_size =
- display_info->regs_content_count + display_info->data_content_count;
+ TUI_DATA_WIN->regs_content_count + TUI_DATA_WIN->data_content_count;
ret = TUI_SUCCESS;
}
void
tui_display_registers_from (int start_element_no)
{
- struct tui_data_info *display_info = &TUI_DATA_WIN->detail.data_display_info;
-
- if (display_info->regs_content != (tui_win_content) NULL
- && display_info->regs_content_count > 0)
+ if (TUI_DATA_WIN->regs_content != NULL
+ && TUI_DATA_WIN->regs_content_count > 0)
{
int i = start_element_no;
- int j, value_chars_wide, item_win_width, cur_y;
+ int j, item_win_width, cur_y;
int max_len = 0;
- for (i = 0; i < display_info->regs_content_count; i++)
+ for (i = 0; i < TUI_DATA_WIN->regs_content_count; i++)
{
struct tui_data_element *data;
struct tui_gen_win_info *data_item_win;
char *p;
int len;
- data_item_win = &display_info->regs_content[i]->which_element.data_window;
- data = &((struct tui_win_element *)
- data_item_win->content[0])->which_element.data;
+ data_item_win
+ = &TUI_DATA_WIN->regs_content[i]->which_element.data_window;
+ data = &data_item_win->content[0]->which_element.data;
len = 0;
p = data->content;
if (p != 0)
item_win_width = max_len + 1;
i = start_element_no;
- display_info->regs_column_count =
+ TUI_DATA_WIN->regs_column_count =
(TUI_DATA_WIN->generic.width - 2) / item_win_width;
- if (display_info->regs_column_count == 0)
- display_info->regs_column_count = 1;
+ if (TUI_DATA_WIN->regs_column_count == 0)
+ TUI_DATA_WIN->regs_column_count = 1;
item_win_width =
- (TUI_DATA_WIN->generic.width - 2) / display_info->regs_column_count;
+ (TUI_DATA_WIN->generic.width - 2) / TUI_DATA_WIN->regs_column_count;
/* Now create each data "sub" window, and write the display into
it. */
cur_y = 1;
- while (i < display_info->regs_content_count
+ while (i < TUI_DATA_WIN->regs_content_count
&& cur_y <= TUI_DATA_WIN->generic.viewport_height)
{
for (j = 0;
- j < display_info->regs_column_count
- && i < display_info->regs_content_count;
+ j < TUI_DATA_WIN->regs_column_count
+ && i < TUI_DATA_WIN->regs_content_count;
j++)
{
struct tui_gen_win_info *data_item_win;
struct tui_data_element *data_element_ptr;
/* Create the window if necessary. */
- data_item_win = &display_info->regs_content[i]
+ data_item_win = &TUI_DATA_WIN->regs_content[i]
->which_element.data_window;
- data_element_ptr = &((struct tui_win_element *)
- data_item_win->content[0])->which_element.data;
- if (data_item_win->handle != (WINDOW*) NULL
+ data_element_ptr = &data_item_win->content[0]->which_element.data;
+ if (data_item_win->handle != NULL
&& (data_item_win->height != 1
|| data_item_win->width != item_win_width
|| data_item_win->origin.x != (item_win_width * j) + 1
data_item_win->handle = 0;
}
- if (data_item_win->handle == (WINDOW *) NULL)
+ if (data_item_win->handle == NULL)
{
data_item_win->height = 1;
data_item_win->width = item_win_width;
tui_display_reg_element_at_line (int start_element_no,
int start_line_no)
{
- if (TUI_DATA_WIN->detail.data_display_info.regs_content != (tui_win_content) NULL
- && TUI_DATA_WIN->detail.data_display_info.regs_content_count > 0)
+ if (TUI_DATA_WIN->regs_content != NULL
+ && TUI_DATA_WIN->regs_content_count > 0)
{
int element_no = start_element_no;
int last_line_no, first_line_on_last_page;
last_line_no = tui_last_regs_line_no ();
- first_line_on_last_page = last_line_no - (TUI_DATA_WIN->generic.height - 2);
+ first_line_on_last_page
+ = last_line_no - (TUI_DATA_WIN->generic.height - 2);
if (first_line_on_last_page < 0)
first_line_on_last_page = 0;
the element_no causes us to scroll past the end of the
registers, adjust what element to really start the
display at. */
- if (TUI_DATA_WIN->detail.data_display_info.data_content_count <= 0
+ if (TUI_DATA_WIN->data_content_count <= 0
&& start_line_no > first_line_on_last_page)
- element_no = tui_first_reg_element_no_inline (first_line_on_last_page);
+ element_no
+ = tui_first_reg_element_no_inline (first_line_on_last_page);
}
tui_display_registers_from (element_no);
}
tui_display_registers_from_line (int line_no,
int force_display)
{
- if (TUI_DATA_WIN->detail.data_display_info.regs_content_count > 0)
+ if (TUI_DATA_WIN->regs_content_count > 0)
{
int line, element_no;
if (line_no >= tui_last_regs_line_no ())
{
if ((line = tui_line_from_reg_element_no (
- TUI_DATA_WIN->detail.data_display_info.regs_content_count - 1)) < 0)
+ TUI_DATA_WIN->regs_content_count - 1)) < 0)
line = 0;
}
else
line = line_no;
element_no = tui_first_reg_element_no_inline (line);
- if (element_no < TUI_DATA_WIN->detail.data_display_info.regs_content_count)
+ if (element_no
+ < TUI_DATA_WIN->regs_content_count)
tui_display_reg_element_at_line (element_no, line);
else
line = (-1);
if (TUI_DATA_WIN != NULL
&& TUI_DATA_WIN->generic.is_visible)
{
- struct tui_data_info *display_info
- = &TUI_DATA_WIN->detail.data_display_info;
-
- if (display_info->regs_content_count <= 0
- && display_info->display_regs)
- tui_show_registers (display_info->current_group);
+ if (TUI_DATA_WIN->regs_content_count <= 0
+ && TUI_DATA_WIN->display_regs)
+ tui_show_registers (TUI_DATA_WIN->current_group);
else
{
- int i, j;
+ int i;
- for (i = 0; (i < display_info->regs_content_count); i++)
+ for (i = 0; (i < TUI_DATA_WIN->regs_content_count); i++)
{
struct tui_data_element *data;
struct tui_gen_win_info *data_item_win_ptr;
int was_hilighted;
- data_item_win_ptr = &display_info->regs_content[i]->
+ data_item_win_ptr = &TUI_DATA_WIN->regs_content[i]->
which_element.data_window;
- data = &((struct tui_win_element *)
- data_item_win_ptr->content[0])->which_element.data;
+ data = &data_item_win_ptr->content[0]->which_element.data;
was_hilighted = data->highlight;
tui_get_register (frame, data,
tui_display_register (struct tui_data_element *data,
struct tui_gen_win_info *win_info)
{
- if (win_info->handle != (WINDOW *) NULL)
+ if (win_info->handle != NULL)
{
int i;
if (data->highlight)
- wstandout (win_info->handle);
+ /* We ignore the return value, casting it to void in order to avoid
+ a compiler warning. The warning itself was introduced by a patch
+ to ncurses 5.7 dated 2009-08-29, changing this macro to expand
+ to code that causes the compiler to generate an unused-value
+ warning. */
+ (void) wstandout (win_info->handle);
wmove (win_info->handle, 0, 0);
for (i = 1; i < win_info->width; i++)
waddstr (win_info->handle, data->content);
if (data->highlight)
- wstandend (win_info->handle);
+ /* We ignore the return value, casting it to void in order to avoid
+ a compiler warning. The warning itself was introduced by a patch
+ to ncurses 5.7 dated 2009-08-29, changing this macro to expand
+ to code that causes the compiler to generate an unused-value
+ warning. */
+ (void) wstandend (win_info->handle);
tui_refresh_win (win_info);
}
}
-static void
-tui_reg_next_command (char *arg, int from_tty)
+/* Helper for "tui reg next", wraps a call to REGGROUP_NEXT, but adds wrap
+ around behaviour. Returns the next register group, or NULL if the
+ register window is not currently being displayed. */
+
+static struct reggroup *
+tui_reg_next (struct gdbarch *gdbarch)
{
- struct gdbarch *gdbarch = get_current_arch ();
+ struct reggroup *group = NULL;
- if (TUI_DATA_WIN != 0)
+ if (TUI_DATA_WIN != NULL)
{
- struct reggroup *group
- = TUI_DATA_WIN->detail.data_display_info.current_group;
-
+ group = TUI_DATA_WIN->current_group;
group = reggroup_next (gdbarch, group);
- if (group == 0)
- group = reggroup_next (gdbarch, 0);
-
- if (group)
- tui_show_registers (group);
+ if (group == NULL)
+ group = reggroup_next (gdbarch, NULL);
}
+ return group;
}
-static void
-tui_reg_float_command (char *arg, int from_tty)
-{
- tui_show_registers (float_reggroup);
-}
+/* Helper for "tui reg prev", wraps a call to REGGROUP_PREV, but adds wrap
+ around behaviour. Returns the previous register group, or NULL if the
+ register window is not currently being displayed. */
-static void
-tui_reg_general_command (char *arg, int from_tty)
+static struct reggroup *
+tui_reg_prev (struct gdbarch *gdbarch)
{
- tui_show_registers (general_reggroup);
+ struct reggroup *group = NULL;
+
+ if (TUI_DATA_WIN != NULL)
+ {
+ group = TUI_DATA_WIN->current_group;
+ group = reggroup_prev (gdbarch, group);
+ if (group == NULL)
+ group = reggroup_prev (gdbarch, NULL);
+ }
+ return group;
}
+/* Implement the 'tui reg' command. Changes the register group displayed
+ in the tui register window. Displays the tui register window if it is
+ not already on display. */
+
static void
-tui_reg_system_command (char *arg, int from_tty)
+tui_reg_command (const char *args, int from_tty)
{
- tui_show_registers (system_reggroup);
+ struct gdbarch *gdbarch = get_current_arch ();
+
+ if (args != NULL)
+ {
+ struct reggroup *group, *match = NULL;
+ size_t len = strlen (args);
+
+ /* Make sure the curses mode is enabled. */
+ tui_enable ();
+
+ /* Make sure the register window is visible. If not, select an
+ appropriate layout. We need to do this before trying to run the
+ 'next' or 'prev' commands. */
+ if (TUI_DATA_WIN == NULL || !TUI_DATA_WIN->generic.is_visible)
+ tui_set_layout_by_name (DATA_NAME);
+
+ if (strncmp (args, "next", len) == 0)
+ match = tui_reg_next (gdbarch);
+ else if (strncmp (args, "prev", len) == 0)
+ match = tui_reg_prev (gdbarch);
+
+ /* This loop matches on the initial part of a register group
+ name. If this initial part in ARGS matches only one register
+ group then the switch is made. */
+ for (group = reggroup_next (gdbarch, NULL);
+ group != NULL;
+ group = reggroup_next (gdbarch, group))
+ {
+ if (strncmp (reggroup_name (group), args, len) == 0)
+ {
+ if (match != NULL)
+ error (_("ambiguous register group name '%s'"), args);
+ match = group;
+ }
+ }
+
+ if (match == NULL)
+ error (_("unknown register group '%s'"), args);
+
+ tui_show_registers (match);
+ }
+ else
+ {
+ struct reggroup *group;
+ int first;
+
+ printf_unfiltered (_("\"tui reg\" must be followed by the name of "
+ "either a register group,\nor one of 'next' "
+ "or 'prev'. Known register groups are:\n"));
+
+ for (first = 1, group = reggroup_next (gdbarch, NULL);
+ group != NULL;
+ first = 0, group = reggroup_next (gdbarch, group))
+ {
+ if (!first)
+ printf_unfiltered (", ");
+ printf_unfiltered ("%s", reggroup_name (group));
+ }
+
+ printf_unfiltered ("\n");
+ }
}
-static struct cmd_list_element *tuireglist;
+/* Complete names of register groups, and add the special "prev" and "next"
+ names. */
static void
-tui_reg_command (char *args, int from_tty)
+tui_reggroup_completer (struct cmd_list_element *ignore,
+ completion_tracker &tracker,
+ const char *text, const char *word)
{
- printf_unfiltered (_("\"tui reg\" must be followed by the name of a "
- "tui reg command.\n"));
- help_list (tuireglist, "tui reg ", -1, gdb_stdout);
-}
+ static const char *extra[] = { "next", "prev", NULL };
+ size_t len = strlen (word);
+ const char **tmp;
-/* Provide a prototype to silence -Wmissing-prototypes. */
-extern initialize_file_ftype _initialize_tui_regs;
+ reggroup_completer (ignore, tracker, text, word);
+
+ /* XXXX use complete_on_enum instead? */
+ for (tmp = extra; *tmp != NULL; ++tmp)
+ {
+ if (strncmp (word, *tmp, len) == 0)
+ tracker.add_completion (make_unique_xstrdup (*tmp));
+ }
+}
void
_initialize_tui_regs (void)
{
- struct cmd_list_element **tuicmd;
+ struct cmd_list_element **tuicmd, *cmd;
tuicmd = tui_get_cmd_list ();
- add_prefix_cmd ("reg", class_tui, tui_reg_command,
- _("TUI commands to control the register window."),
- &tuireglist, "tui reg ", 0,
- tuicmd);
-
- add_cmd ("float", class_tui, tui_reg_float_command,
- _("Display only floating point registers."),
- &tuireglist);
- add_cmd ("general", class_tui, tui_reg_general_command,
- _("Display only general registers."),
- &tuireglist);
- add_cmd ("system", class_tui, tui_reg_system_command,
- _("Display only system registers."),
- &tuireglist);
- add_cmd ("next", class_tui, tui_reg_next_command,
- _("Display next register group."),
- &tuireglist);
-
- if (xdb_commands)
- {
- add_com ("fr", class_tui, tui_reg_float_command,
- _("Display only floating point registers\n"));
- add_com ("gr", class_tui, tui_reg_general_command,
- _("Display only general registers\n"));
- add_com ("sr", class_tui, tui_reg_system_command,
- _("Display only special registers\n"));
- add_com ("+r", class_tui, tui_scroll_regs_forward_command,
- _("Scroll the registers window forward\n"));
- add_com ("-r", class_tui, tui_scroll_regs_backward_command,
- _("Scroll the register window backward\n"));
- }
+ cmd = add_cmd ("reg", class_tui, tui_reg_command, _("\
+TUI command to control the register window."), tuicmd);
+ set_cmd_completer (cmd, tui_reggroup_completer);
}
** STATIC LOCAL FUNCTIONS **
******************************************/
-extern int pagination_enabled;
-
-static void
-tui_restore_gdbout (void *ui)
-{
- ui_file_delete (gdb_stdout);
- gdb_stdout = (struct ui_file*) ui;
- pagination_enabled = 1;
-}
+/* Get the register from the frame and return a printable
+ representation of it. */
-/* Get the register from the frame and make a printable representation
- of it in the data element. */
-static void
-tui_register_format (struct frame_info *frame,
- struct tui_data_element *data_element,
- int regnum)
+static char *
+tui_register_format (struct frame_info *frame, int regnum)
{
struct gdbarch *gdbarch = get_frame_arch (frame);
- struct ui_file *stream;
- struct ui_file *old_stdout;
- const char *name;
- struct cleanup *cleanups;
- char *p, *s;
- int pos;
- struct type *type = register_type (gdbarch, regnum);
-
- name = gdbarch_register_name (gdbarch, regnum);
- if (name == 0)
- {
- return;
- }
-
- pagination_enabled = 0;
- old_stdout = gdb_stdout;
- stream = tui_sfileopen (256);
- gdb_stdout = stream;
- cleanups = make_cleanup (tui_restore_gdbout, (void*) old_stdout);
- if (TYPE_VECTOR (type) != 0 && 0)
- {
- gdb_byte buf[MAX_REGISTER_SIZE];
- int len;
- struct value_print_options opts;
-
- len = register_size (gdbarch, regnum);
- fprintf_filtered (stream, "%-14s ", name);
- get_frame_register (frame, regnum, buf);
- get_formatted_print_options (&opts, 'f');
- print_scalar_formatted (buf, type, &opts, len, stream);
- }
- else
- {
- gdbarch_print_registers_info (gdbarch, stream,
- frame, regnum, 1);
- }
- /* Save formatted output in the buffer. */
- p = tui_file_get_strbuf (stream);
+ string_file stream;
+
+ scoped_restore save_pagination
+ = make_scoped_restore (&pagination_enabled, 0);
+ scoped_restore save_stdout
+ = make_scoped_restore (&gdb_stdout, &stream);
+
+ gdbarch_print_registers_info (gdbarch, &stream, frame, regnum, 1);
/* Remove the possible \n. */
- s = strrchr (p, '\n');
- if (s && s[1] == 0)
- *s = 0;
+ std::string &str = stream.string ();
+ if (!str.empty () && str.back () == '\n')
+ str.resize (str.size () - 1);
- xfree (data_element->content);
- data_element->content = xstrdup (p);
- do_cleanups (cleanups);
+ /* Expand tabs into spaces, since ncurses on MS-Windows doesn't. */
+ return tui_expand_tabs (str.c_str (), 0);
}
/* Get the register value from the given frame and format it for the
*changedp = FALSE;
if (target_has_registers)
{
- gdb_byte buf[MAX_REGISTER_SIZE];
- get_frame_register (frame, regnum, buf);
+ char *prev_content = data->content;
- if (changedp)
- {
- struct gdbarch *gdbarch = get_frame_arch (frame);
- int size = register_size (gdbarch, regnum);
- char *old = (char*) data->value;
- int i;
+ data->content = tui_register_format (frame, regnum);
- for (i = 0; i < size; i++)
- if (buf[i] != old[i])
- {
- *changedp = TRUE;
- old[i] = buf[i];
- }
- }
+ if (changedp != NULL
+ && strcmp (prev_content, data->content) != 0)
+ *changedp = 1;
- /* Reformat the data content if the value changed. */
- if (changedp == 0 || *changedp == TRUE)
- tui_register_format (frame, data, regnum);
+ xfree (prev_content);
ret = TUI_SUCCESS;
}
return ret;
}
-
-static void
-tui_scroll_regs_forward_command (char *arg, int from_tty)
-{
- tui_scroll (FORWARD_SCROLL, TUI_DATA_WIN, 1);
-}
-
-
-static void
-tui_scroll_regs_backward_command (char *arg, int from_tty)
-{
- tui_scroll (BACKWARD_SCROLL, TUI_DATA_WIN, 1);
-}
projects / deliverable / binutils-gdb.git / blobdiff