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old-cross-binutils/gdb/tui/tui-regs.c
Joel Brobecker 4cfcaf218c * tui/tui-disasm.c: %s/lines/asm_lines/g to avoid a collision 
with the lines macro defined in term.h on AiX.
        * tui/tui-regs.c: %s/label_width/tui_label_width/g, to avoid
        a collision with the label_width macro defined in term.h on AiX.
2004-02-25 01:10:01 +00:00

990 lines
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/* TUI display registers in window.
Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software
Foundation, Inc.
Contributed by Hewlett-Packard Company.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "tui/tui.h"
#include "tui/tui-data.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "gdbcmd.h"
#include "frame.h"
#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 "gdb_curses.h"
/*****************************************
** LOCAL DEFINITIONS **
******************************************/
#define DOUBLE_FLOAT_LABEL_WIDTH 6
#define DOUBLE_FLOAT_LABEL_FMT "%6.6s: "
#define DOUBLE_FLOAT_VALUE_WIDTH 30 /*min of 16 but may be in sci notation */
#define SINGLE_FLOAT_LABEL_WIDTH 6
#define SINGLE_FLOAT_LABEL_FMT "%6.6s: "
#define SINGLE_FLOAT_VALUE_WIDTH 25 /* min of 8 but may be in sci notation */
#define SINGLE_LABEL_WIDTH 16
#define SINGLE_LABEL_FMT "%10.10s: "
#define SINGLE_VALUE_WIDTH 20 /* minimum of 8 but may be in sci notation */
/* In the code HP gave Cygnus, this was actually a function call to a
PA-specific function, which was supposed to determine whether the
target was a 64-bit or 32-bit processor. However, the 64-bit
support wasn't complete, so we didn't merge that in, so we leave
this here as a stub. */
#define IS_64BIT 0
/*****************************************
** STATIC DATA **
******************************************/
/*****************************************
** STATIC LOCAL FUNCTIONS FORWARD DECLS **
******************************************/
static enum tui_status tui_set_regs_content
(int, int, struct frame_info *, enum tui_register_display_type, int);
static const char *tui_register_name (int);
static enum tui_status tui_get_register_raw_value (int, char *, struct frame_info *);
static void tui_set_register_element
(int, struct frame_info *, struct tui_data_element *, int);
static void tui_display_register (int, struct tui_gen_win_info *, enum precision_type);
static void tui_register_format
(char *, int, int, struct tui_data_element *, enum precision_type);
static enum tui_status tui_set_general_regs_content (int);
static enum tui_status tui_set_special_regs_content (int);
static enum tui_status tui_set_general_and_special_regs_content (int);
static enum tui_status tui_set_float_regs_content (enum tui_register_display_type, int);
static int tui_reg_value_has_changed
(struct tui_data_element *, struct frame_info *, char *);
static void tui_show_float_command (char *, int);
static void tui_show_general_command (char *, int);
static void tui_show_special_command (char *, int);
static void tui_v_show_registers_command_support (enum tui_register_display_type);
static void _tui_toggle_float_regs_command (char *, int);
static void tui_scroll_regs_forward_command (char *, int);
static void tui_scroll_regs_backward_command (char *, int);
/*****************************************
** PUBLIC FUNCTIONS **
******************************************/
/* Answer the number of the last line in the regs display. If there
are no registers (-1) is returned. */
int
tui_last_regs_line_no (void)
{
int num_lines = (-1);
if (TUI_DATA_WIN->detail.data_display_info.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++;
}
return num_lines;
}
/* Answer the line number that the register element at element_no is
on. If element_no is greater than the number of register elements
there are, -1 is returned. */
int
tui_line_from_reg_element_no (int element_no)
{
if (element_no < TUI_DATA_WIN->detail.data_display_info.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))
line = i - 1;
else
i++;
}
return line;
}
else
return (-1);
}
/* Answer the index of the first element in line_no. If line_no is past
the register area (-1) is returned. */
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;
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);
}
/* Calculate the number of columns that should be used to display the
registers. */
int
tui_calculate_regs_column_count (enum tui_register_display_type dpy_type)
{
int col_count, col_width;
if (IS_64BIT || dpy_type == TUI_DFLOAT_REGS)
col_width = DOUBLE_FLOAT_VALUE_WIDTH + DOUBLE_FLOAT_LABEL_WIDTH;
else
{
if (dpy_type == TUI_SFLOAT_REGS)
col_width = SINGLE_FLOAT_VALUE_WIDTH + SINGLE_FLOAT_LABEL_WIDTH;
else
col_width = SINGLE_VALUE_WIDTH + SINGLE_LABEL_WIDTH;
}
col_count = (TUI_DATA_WIN->generic.width - 2) / col_width;
return col_count;
}
/* Show the registers int the data window as indicated by dpy_type. If
there is any other registers being displayed, then they are
cleared. What registers are displayed is dependent upon dpy_type. */
void
tui_show_registers (enum tui_register_display_type dpy_type)
{
enum tui_status ret = TUI_FAILURE;
int refresh_values_only = FALSE;
/* Say that registers should be displayed, even if there is a problem */
TUI_DATA_WIN->detail.data_display_info.display_regs = TRUE;
if (target_has_registers)
{
refresh_values_only =
(dpy_type == TUI_DATA_WIN->detail.data_display_info.regs_display_type);
switch (dpy_type)
{
case TUI_GENERAL_REGS:
ret = tui_set_general_regs_content (refresh_values_only);
break;
case TUI_SFLOAT_REGS:
case TUI_DFLOAT_REGS:
ret = tui_set_float_regs_content (dpy_type, refresh_values_only);
break;
/* could ifdef out */
case TUI_SPECIAL_REGS:
ret = tui_set_special_regs_content (refresh_values_only);
break;
case TUI_GENERAL_AND_SPECIAL_REGS:
ret = tui_set_general_and_special_regs_content (refresh_values_only);
break;
/* end of potential if def */
default:
break;
}
}
if (ret == TUI_FAILURE)
{
TUI_DATA_WIN->detail.data_display_info.regs_display_type = TUI_UNDEFINED_REGS;
tui_erase_data_content (NO_REGS_STRING);
}
else
{
int i;
/* Clear all notation of changed values */
for (i = 0; (i < TUI_DATA_WIN->detail.data_display_info.regs_content_count); i++)
{
struct tui_gen_win_info * data_item_win;
data_item_win = &TUI_DATA_WIN->detail.data_display_info.
regs_content[i]->which_element.data_window;
(&((struct tui_win_element *)
data_item_win->content[0])->which_element.data)->highlight = FALSE;
}
TUI_DATA_WIN->detail.data_display_info.regs_display_type = dpy_type;
tui_display_all_data ();
}
(tui_layout_def ())->regs_display_type = dpy_type;
return;
}
/* Function to display the registers in the content from
'start_element_no' until the end of the register content or the end
of the display height. No checking for displaying past the end of
the registers is done here. */
void
tui_display_registers_from (int start_element_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)
{
int i = start_element_no;
int j, value_chars_wide, item_win_width, cur_y;
enum precision_type precision;
/* Do not rename the following variable into "label_width".
Unfortunately, term.h on AiX systems defines a macro with
the same name, which causes a build failure if we use the
same name for this variable. */
int tui_label_width;
precision = (TUI_DATA_WIN->detail.data_display_info.regs_display_type
== TUI_DFLOAT_REGS) ?
double_precision : unspecified_precision;
if (IS_64BIT ||
TUI_DATA_WIN->detail.data_display_info.regs_display_type == TUI_DFLOAT_REGS)
{
value_chars_wide = DOUBLE_FLOAT_VALUE_WIDTH;
tui_label_width = DOUBLE_FLOAT_LABEL_WIDTH;
}
else
{
if (TUI_DATA_WIN->detail.data_display_info.regs_display_type ==
TUI_SFLOAT_REGS)
{
value_chars_wide = SINGLE_FLOAT_VALUE_WIDTH;
tui_label_width = SINGLE_FLOAT_LABEL_WIDTH;
}
else
{
value_chars_wide = SINGLE_VALUE_WIDTH;
tui_label_width = SINGLE_LABEL_WIDTH;
}
}
item_win_width = value_chars_wide + tui_label_width;
/*
** Now create each data "sub" window, and write the display into it.
*/
cur_y = 1;
while (i < TUI_DATA_WIN->detail.data_display_info.regs_content_count &&
cur_y <= TUI_DATA_WIN->generic.viewport_height)
{
for (j = 0;
(j < TUI_DATA_WIN->detail.data_display_info.regs_column_count &&
i < TUI_DATA_WIN->detail.data_display_info.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 = &TUI_DATA_WIN->detail.data_display_info.
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_item_win->height = 1;
data_item_win->width = (precision == double_precision) ?
item_win_width + 2 : item_win_width + 1;
data_item_win->origin.x = (item_win_width * j) + 1;
data_item_win->origin.y = cur_y;
tui_make_window (data_item_win, DONT_BOX_WINDOW);
scrollok (data_item_win->handle, FALSE);
}
touchwin (data_item_win->handle);
/*
** Get the printable representation of the register
** and display it
*/
tui_display_register (
data_element_ptr->item_no, data_item_win, precision);
i++; /* next register */
}
cur_y++; /* next row; */
}
}
return;
}
/* Function to display the registers in the content from
'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
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)
{
int element_no = start_element_no;
if (start_element_no != 0 && start_line_no != 0)
{
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);
if (first_line_on_last_page < 0)
first_line_on_last_page = 0;
/*
** If there is no other data displayed except registers,
** and 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 &&
start_line_no > first_line_on_last_page)
element_no = tui_first_reg_element_no_inline (first_line_on_last_page);
}
tui_display_registers_from (element_no);
}
}
/* Function to display the registers starting at line line_no in the
data window. Answers the line number that the display actually
started from. If nothing is displayed (-1) is returned. */
int
tui_display_registers_from_line (int line_no, int force_display)
{
if (TUI_DATA_WIN->detail.data_display_info.regs_content_count > 0)
{
int line, element_no;
if (line_no < 0)
line = 0;
else if (force_display)
{ /*
** If we must display regs (force_display is true), then make
** sure that we don't display off the end of the registers.
*/
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)
line = 0;
}
else
line = line_no;
}
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)
tui_display_reg_element_at_line (element_no, line);
else
line = (-1);
return line;
}
return (-1); /* nothing was displayed */
}
/* This function check all displayed registers for changes in values,
given a particular frame. If the values have changed, they are
updated with the new value and highlighted. */
void
tui_check_register_values (struct frame_info *frame)
{
if (TUI_DATA_WIN != NULL && TUI_DATA_WIN->generic.is_visible)
{
if (TUI_DATA_WIN->detail.data_display_info.regs_content_count <= 0 &&
TUI_DATA_WIN->detail.data_display_info.display_regs)
tui_show_registers ((tui_layout_def ())->regs_display_type);
else
{
int i, j;
char raw_buf[MAX_REGISTER_SIZE];
for (i = 0;
(i < TUI_DATA_WIN->detail.data_display_info.regs_content_count); i++)
{
struct tui_data_element * data_element_ptr;
struct tui_gen_win_info * data_item_win_ptr;
int was_hilighted;
data_item_win_ptr = &TUI_DATA_WIN->detail.data_display_info.
regs_content[i]->which_element.data_window;
data_element_ptr = &((struct tui_win_element *)
data_item_win_ptr->content[0])->which_element.data;
was_hilighted = data_element_ptr->highlight;
data_element_ptr->highlight =
tui_reg_value_has_changed (data_element_ptr, frame, &raw_buf[0]);
if (data_element_ptr->highlight)
{
int size;
size = DEPRECATED_REGISTER_RAW_SIZE (data_element_ptr->item_no);
for (j = 0; j < size; j++)
((char *) data_element_ptr->value)[j] = raw_buf[j];
tui_display_register (
data_element_ptr->item_no,
data_item_win_ptr,
((TUI_DATA_WIN->detail.data_display_info.regs_display_type ==
TUI_DFLOAT_REGS) ?
double_precision : unspecified_precision));
}
else if (was_hilighted)
{
data_element_ptr->highlight = FALSE;
tui_display_register (
data_element_ptr->item_no,
data_item_win_ptr,
((TUI_DATA_WIN->detail.data_display_info.regs_display_type ==
TUI_DFLOAT_REGS) ?
double_precision : unspecified_precision));
}
}
}
}
return;
}
/*
** tui_toggle_float_regs().
*/
void
tui_toggle_float_regs (void)
{
struct tui_layout_def * layout_def = tui_layout_def ();
if (layout_def->float_regs_display_type == TUI_SFLOAT_REGS)
layout_def->float_regs_display_type = TUI_DFLOAT_REGS;
else
layout_def->float_regs_display_type = TUI_SFLOAT_REGS;
if (TUI_DATA_WIN != NULL && TUI_DATA_WIN->generic.is_visible &&
(TUI_DATA_WIN->detail.data_display_info.regs_display_type == TUI_SFLOAT_REGS ||
TUI_DATA_WIN->detail.data_display_info.regs_display_type == TUI_DFLOAT_REGS))
tui_show_registers (layout_def->float_regs_display_type);
return;
} /* tui_toggle_float_regs */
void
_initialize_tui_regs (void)
{
if (xdb_commands)
{
add_com ("fr", class_tui, tui_show_float_command,
"Display only floating point registers\n");
add_com ("gr", class_tui, tui_show_general_command,
"Display only general registers\n");
add_com ("sr", class_tui, tui_show_special_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");
add_com ("tf", class_tui, _tui_toggle_float_regs_command,
"Toggle between single and double precision floating point registers.\n");
add_cmd (TUI_FLOAT_REGS_NAME_LOWER,
class_tui,
_tui_toggle_float_regs_command,
"Toggle between single and double precision floating point \
registers.\n",
&togglelist);
}
}
/*****************************************
** STATIC LOCAL FUNCTIONS **
******************************************/
/*
** tui_register_name().
** Return the register name.
*/
static const char *
tui_register_name (int reg_num)
{
return REGISTER_NAME (reg_num);
}
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;
}
/*
** tui_register_format
** Function to format the register name and value into a buffer,
** suitable for printing or display
*/
static void
tui_register_format (char *buf, int buf_len, int reg_num,
struct tui_data_element * data_element,
enum precision_type precision)
{
struct ui_file *stream;
struct ui_file *old_stdout;
const char *name;
struct cleanup *cleanups;
char *p;
int pos;
name = REGISTER_NAME (reg_num);
if (name == 0)
{
strcpy (buf, "");
return;
}
pagination_enabled = 0;
old_stdout = gdb_stdout;
stream = tui_sfileopen (buf_len);
gdb_stdout = stream;
cleanups = make_cleanup (tui_restore_gdbout, (void*) old_stdout);
gdbarch_print_registers_info (current_gdbarch, stream, deprecated_selected_frame,
reg_num, 1);
/* Save formatted output in the buffer. */
p = tui_file_get_strbuf (stream);
pos = 0;
while (*p && *p == *name++ && buf_len)
{
*buf++ = *p++;
buf_len--;
pos++;
}
while (*p == ' ')
p++;
while (pos < 8 && buf_len)
{
*buf++ = ' ';
buf_len--;
pos++;
}
strncpy (buf, p, buf_len);
/* Remove the possible \n. */
p = strchr (buf, '\n');
if (p)
*p = 0;
do_cleanups (cleanups);
}
#define NUM_GENERAL_REGS 32
/* Set the content of the data window to consist of the general
registers. */
static enum tui_status
tui_set_general_regs_content (int refresh_values_only)
{
return (tui_set_regs_content (0,
NUM_GENERAL_REGS - 1,
deprecated_selected_frame,
TUI_GENERAL_REGS,
refresh_values_only));
}
#ifndef PCOQ_HEAD_REGNUM
#define START_SPECIAL_REGS 0
#else
#define START_SPECIAL_REGS PCOQ_HEAD_REGNUM
#endif
/* Set the content of the data window to consist of the special
registers. */
static enum tui_status
tui_set_special_regs_content (int refresh_values_only)
{
enum tui_status ret = TUI_FAILURE;
int end_reg_num;
end_reg_num = FP0_REGNUM - 1;
ret = tui_set_regs_content (START_SPECIAL_REGS,
end_reg_num,
deprecated_selected_frame,
TUI_SPECIAL_REGS,
refresh_values_only);
return ret;
}
/* Set the content of the data window to consist of the special
registers. */
static enum tui_status
tui_set_general_and_special_regs_content (int refresh_values_only)
{
enum tui_status ret = TUI_FAILURE;
int end_reg_num = (-1);
end_reg_num = FP0_REGNUM - 1;
ret = tui_set_regs_content (
0, end_reg_num, deprecated_selected_frame, TUI_SPECIAL_REGS, refresh_values_only);
return ret;
}
/* Set the content of the data window to consist of the float
registers. */
static enum tui_status
tui_set_float_regs_content (enum tui_register_display_type dpy_type,
int refresh_values_only)
{
enum tui_status ret = TUI_FAILURE;
int start_reg_num;
start_reg_num = FP0_REGNUM;
ret = tui_set_regs_content (start_reg_num,
NUM_REGS - 1,
deprecated_selected_frame,
dpy_type,
refresh_values_only);
return ret;
}
/* Answer TRUE if the register's value has changed, FALSE otherwise.
If TRUE, new_value is filled in with the new value. */
static int
tui_reg_value_has_changed (struct tui_data_element * data_element,
struct frame_info *frame, char *new_value)
{
int has_changed = FALSE;
if (data_element->item_no != UNDEFINED_ITEM &&
tui_register_name (data_element->item_no) != (char *) NULL)
{
char raw_buf[MAX_REGISTER_SIZE];
int i;
if (tui_get_register_raw_value (data_element->item_no, raw_buf, frame) == TUI_SUCCESS)
{
int size = DEPRECATED_REGISTER_RAW_SIZE (data_element->item_no);
for (i = 0; (i < size && !has_changed); i++)
has_changed = (((char *) data_element->value)[i] != raw_buf[i]);
if (has_changed && new_value != (char *) NULL)
{
for (i = 0; i < size; i++)
new_value[i] = raw_buf[i];
}
}
}
return has_changed;
}
/* Get the register raw value. The raw value is returned in reg_value. */
static enum tui_status
tui_get_register_raw_value (int reg_num, char *reg_value, struct frame_info *frame)
{
enum tui_status ret = TUI_FAILURE;
if (target_has_registers)
{
get_frame_register (frame, reg_num, reg_value);
/* NOTE: cagney/2003-03-13: This is bogus. It is refering to
the register cache and not the frame which could have pulled
the register value off the stack. */
if (register_cached (reg_num) >= 0)
ret = TUI_SUCCESS;
}
return ret;
}
/* Function to initialize a data element with the input and the
register value. */
static void
tui_set_register_element (int reg_num, struct frame_info *frame,
struct tui_data_element * data_element,
int refresh_value_only)
{
if (data_element != (struct tui_data_element *) NULL)
{
if (!refresh_value_only)
{
data_element->item_no = reg_num;
data_element->name = tui_register_name (reg_num);
data_element->highlight = FALSE;
}
if (data_element->value == NULL)
data_element->value = xmalloc (MAX_REGISTER_SIZE);
if (data_element->value != NULL)
tui_get_register_raw_value (reg_num, data_element->value, frame);
}
}
/* Set the content of the data window to consist of the registers
numbered from start_reg_num to end_reg_num. Note that if
refresh_values_only is TRUE, start_reg_num and end_reg_num are
ignored. */
static enum tui_status
tui_set_regs_content (int start_reg_num, int end_reg_num,
struct frame_info *frame,
enum tui_register_display_type dpy_type,
int refresh_values_only)
{
enum tui_status ret = TUI_FAILURE;
int num_regs = end_reg_num - start_reg_num + 1;
int allocated_here = FALSE;
if (TUI_DATA_WIN->detail.data_display_info.regs_content_count > 0 &&
!refresh_values_only)
{
tui_free_data_content (TUI_DATA_WIN->detail.data_display_info.regs_content,
TUI_DATA_WIN->detail.data_display_info.regs_content_count);
TUI_DATA_WIN->detail.data_display_info.regs_content_count = 0;
}
if (TUI_DATA_WIN->detail.data_display_info.regs_content_count <= 0)
{
TUI_DATA_WIN->detail.data_display_info.regs_content =
tui_alloc_content (num_regs, DATA_WIN);
allocated_here = TRUE;
}
if (TUI_DATA_WIN->detail.data_display_info.regs_content != (tui_win_content) NULL)
{
int i;
if (!refresh_values_only || allocated_here)
{
TUI_DATA_WIN->generic.content = NULL;
TUI_DATA_WIN->generic.content_size = 0;
tui_add_content_elements (&TUI_DATA_WIN->generic, num_regs);
TUI_DATA_WIN->detail.data_display_info.regs_content =
(tui_win_content) TUI_DATA_WIN->generic.content;
TUI_DATA_WIN->detail.data_display_info.regs_content_count = num_regs;
}
/*
** Now set the register names and values
*/
for (i = start_reg_num; (i <= end_reg_num); i++)
{
struct tui_gen_win_info * data_item_win;
data_item_win = &TUI_DATA_WIN->detail.data_display_info.
regs_content[i - start_reg_num]->which_element.data_window;
tui_set_register_element (
i,
frame,
&((struct tui_win_element *) data_item_win->content[0])->which_element.data,
!allocated_here && refresh_values_only);
}
TUI_DATA_WIN->detail.data_display_info.regs_column_count =
tui_calculate_regs_column_count (dpy_type);
#ifdef LATER
if (TUI_DATA_WIN->detail.data_display_info.data_content_count > 0)
{
/* delete all the windows? */
/* realloc content equal to data_content_count + regs_content_count */
/* append TUI_DATA_WIN->detail.data_display_info.data_content to content */
}
#endif
TUI_DATA_WIN->generic.content_size =
TUI_DATA_WIN->detail.data_display_info.regs_content_count +
TUI_DATA_WIN->detail.data_display_info.data_content_count;
ret = TUI_SUCCESS;
}
return ret;
}
/* Function to display a register in a window. If hilite is TRUE,
than the value will be displayed in reverse video. */
static void
tui_display_register (int reg_num,
struct tui_gen_win_info * win_info, /* the data item window */
enum precision_type precision)
{
if (win_info->handle != (WINDOW *) NULL)
{
int i;
char buf[40];
int value_chars_wide;
struct tui_data_element * data_element_ptr = &((tui_win_content)
win_info->content)[0]->which_element.data;
/* Do not rename the following variable into "label_width".
Unfortunately, term.h on AiX systems defines a macro with
the same name, which causes a build failure if we use the
same name for this variable. */
int tui_label_width;
if (IS_64BIT ||
TUI_DATA_WIN->detail.data_display_info.regs_display_type == TUI_DFLOAT_REGS)
{
value_chars_wide = DOUBLE_FLOAT_VALUE_WIDTH;
tui_label_width = DOUBLE_FLOAT_LABEL_WIDTH;
}
else
{
if (TUI_DATA_WIN->detail.data_display_info.regs_display_type ==
TUI_SFLOAT_REGS)
{
value_chars_wide = SINGLE_FLOAT_VALUE_WIDTH;
tui_label_width = SINGLE_FLOAT_LABEL_WIDTH;
}
else
{
value_chars_wide = SINGLE_VALUE_WIDTH;
tui_label_width = SINGLE_LABEL_WIDTH;
}
}
buf[0] = (char) 0;
tui_register_format (buf,
value_chars_wide + tui_label_width,
reg_num,
data_element_ptr,
precision);
if (data_element_ptr->highlight)
wstandout (win_info->handle);
wmove (win_info->handle, 0, 0);
for (i = 1; i < win_info->width; i++)
waddch (win_info->handle, ' ');
wmove (win_info->handle, 0, 0);
waddstr (win_info->handle, buf);
if (data_element_ptr->highlight)
wstandend (win_info->handle);
tui_refresh_win (win_info);
}
}
static void
tui_v_show_registers_command_support (enum tui_register_display_type dpy_type)
{
if (TUI_DATA_WIN != NULL && TUI_DATA_WIN->generic.is_visible)
{ /* Data window already displayed, show the registers */
if (TUI_DATA_WIN->detail.data_display_info.regs_display_type != dpy_type)
tui_show_registers (dpy_type);
}
else
(tui_layout_def ())->regs_display_type = dpy_type;
return;
}
static void
tui_show_float_command (char *arg, int from_tty)
{
if (TUI_DATA_WIN == NULL || !TUI_DATA_WIN->generic.is_visible ||
(TUI_DATA_WIN->detail.data_display_info.regs_display_type != TUI_SFLOAT_REGS &&
TUI_DATA_WIN->detail.data_display_info.regs_display_type != TUI_DFLOAT_REGS))
tui_v_show_registers_command_support ((tui_layout_def ())->float_regs_display_type);
}
static void
tui_show_general_command (char *arg, int from_tty)
{
tui_v_show_registers_command_support (TUI_GENERAL_REGS);
}
static void
tui_show_special_command (char *arg, int from_tty)
{
tui_v_show_registers_command_support (TUI_SPECIAL_REGS);
}
static void
_tui_toggle_float_regs_command (char *arg, int from_tty)
{
if (TUI_DATA_WIN != NULL && TUI_DATA_WIN->generic.is_visible)
tui_toggle_float_regs ();
else
{
struct tui_layout_def * layout_def = tui_layout_def ();
if (layout_def->float_regs_display_type == TUI_SFLOAT_REGS)
layout_def->float_regs_display_type = TUI_DFLOAT_REGS;
else
layout_def->float_regs_display_type = TUI_SFLOAT_REGS;
}
}
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);
}
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