/* TUI display registers in window.
- Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007
- Free Software Foundation, Inc.
+ Copyright (C) 1998-2013 Free Software Foundation, Inc.
Contributed by Hewlett-Packard Company.
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
+#include "arch-utils.h"
#include "tui/tui.h"
#include "tui/tui-data.h"
#include "symtab.h"
#include "tui/tui-windata.h"
#include "tui/tui-wingeneral.h"
#include "tui/tui-file.h"
+#include "tui/tui-regs.h"
#include "reggroups.h"
+#include "valprint.h"
#include "gdb_curses.h"
tui_display_register (struct tui_data_element *data,
struct tui_gen_win_info *win_info);
-static enum tui_status
-tui_show_register_group (struct gdbarch *gdbarch,
- struct reggroup *group,
- struct frame_info *frame,
- int refresh_values_only);
+static enum tui_status tui_show_register_group (struct reggroup *group,
+ struct frame_info *frame,
+ int refresh_values_only);
+
+static enum tui_status tui_get_register (struct frame_info *frame,
+ struct tui_data_element *data,
+ int regnum, int *changedp);
+
+static void tui_register_format (struct frame_info *,
+ struct tui_data_element*, int);
-static enum tui_status
-tui_get_register (struct gdbarch *gdbarch,
- struct frame_info *frame,
- struct tui_data_element *data,
- int regnum, int *changedp);
-static void tui_register_format (struct gdbarch *,
- 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);
}
-/* 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
if (target_has_registers && target_has_stack && target_has_memory)
{
- ret = tui_show_register_group (current_gdbarch, group,
- get_current_frame (),
+ ret = tui_show_register_group (group, get_current_frame (),
group == display_info->current_group);
}
if (ret == TUI_FAILURE)
refresh_values_only is TRUE. */
static enum tui_status
-tui_show_register_group (struct gdbarch *gdbarch,
- struct reggroup *group,
+tui_show_register_group (struct reggroup *group,
struct frame_info *frame,
int refresh_values_only)
{
+ struct gdbarch *gdbarch = get_frame_arch (frame);
enum tui_status ret = TUI_FAILURE;
int nr_regs;
int allocated_here = FALSE;
/* 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 < gdbarch_num_regs (gdbarch)
+ + gdbarch_num_pseudo_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)
/* 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 < gdbarch_num_regs (gdbarch)
+ + gdbarch_num_pseudo_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;
+ data = &((struct tui_win_element *)
+ 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 (gdbarch, frame, data, regnum, 0);
+ tui_get_register (frame, data, regnum, 0);
}
pos++;
}
&& display_info->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++)
char *p;
int len;
- data_item_win = &display_info->regs_content[i]->which_element.data_window;
+ 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;
len = 0;
data_item_win = &display_info->regs_content[i]
->which_element.data_window;
data_element_ptr = &((struct tui_win_element *)
- data_item_win->content[0])->which_element.data;
+ data_item_win->content[0])->which_element.data;
if (data_item_win->handle != (WINDOW*) NULL
&& (data_item_win->height != 1
|| data_item_win->width != item_win_width
'start_element_no' on 'start_line_no' until the end of the register
content or the end of the display height. This function checks
that we won't display off the end of the register display. */
-void
+static void
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
+ 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)
{
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;
display at. */
if (TUI_DATA_WIN->detail.data_display_info.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);
}
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->detail.data_display_info.regs_content_count)
tui_display_reg_element_at_line (element_no, line);
else
line = (-1);
tui_show_registers (display_info->current_group);
else
{
- int i, j;
+ int i;
for (i = 0; (i < display_info->regs_content_count); i++)
{
data_item_win_ptr->content[0])->which_element.data;
was_hilighted = data->highlight;
- tui_get_register (current_gdbarch, frame, data,
+ tui_get_register (frame, data,
data->item_no, &data->highlight);
if (data->highlight || was_hilighted)
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)
{
+ struct gdbarch *gdbarch = get_current_arch ();
+
if (TUI_DATA_WIN != 0)
{
struct reggroup *group
= TUI_DATA_WIN->detail.data_display_info.current_group;
- group = reggroup_next (current_gdbarch, group);
+ group = reggroup_next (gdbarch, group);
if (group == 0)
- group = reggroup_next (current_gdbarch, 0);
+ group = reggroup_next (gdbarch, 0);
if (group)
tui_show_registers (group);
help_list (tuireglist, "tui reg ", -1, gdb_stdout);
}
+/* Provide a prototype to silence -Wmissing-prototypes. */
+extern initialize_file_ftype _initialize_tui_regs;
+
void
_initialize_tui_regs (void)
{
/* Get the register from the frame and make a printable representation
of it in the data element. */
static void
-tui_register_format (struct gdbarch *gdbarch,
- struct frame_info *frame,
+tui_register_format (struct frame_info *frame,
struct tui_data_element *data_element,
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;
- }
-
+ if (name == 0 || *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;
-
- len = register_size (current_gdbarch, regnum);
- fprintf_filtered (stream, "%-14s ", name);
- get_frame_register (frame, regnum, buf);
- print_scalar_formatted (buf, type, 'f', len, stream);
- }
- else
- {
- gdbarch_print_registers_info (current_gdbarch, stream,
- frame, regnum, 1);
- }
+ gdbarch_print_registers_info (gdbarch, stream, frame, regnum, 1);
/* Save formatted output in the buffer. */
p = tui_file_get_strbuf (stream);
display. When changep is set, check if the new register value has
changed with respect to the previous call. */
static enum tui_status
-tui_get_register (struct gdbarch *gdbarch,
- struct frame_info *frame,
+tui_get_register (struct frame_info *frame,
struct tui_data_element *data,
int regnum, int *changedp)
{
*changedp = FALSE;
if (target_has_registers)
{
- gdb_byte buf[MAX_REGISTER_SIZE];
- get_frame_register (frame, regnum, buf);
+ struct value *old_val = data->value;
+ data->value = get_frame_register_value (frame, regnum);
+ release_value (data->value);
if (changedp)
{
+ struct gdbarch *gdbarch = get_frame_arch (frame);
int size = register_size (gdbarch, regnum);
- char *old = (char*) data->value;
- int i;
- for (i = 0; i < size; i++)
- if (buf[i] != old[i])
- {
- *changedp = TRUE;
- old[i] = buf[i];
- }
+ if (value_optimized_out (data->value) != value_optimized_out (old_val)
+ || !value_available_contents_eq (data->value, 0,
+ old_val, 0, size))
+ *changedp = TRUE;
}
+ value_free (old_val);
+
/* Reformat the data content if the value changed. */
if (changedp == 0 || *changedp == TRUE)
- tui_register_format (gdbarch, frame, data, regnum);
+ tui_register_format (frame, data, regnum);
ret = TUI_SUCCESS;
}
projects / thirdparty / binutils-gdb.git / blobdiff