static int
gdb_regformat (ClientData clientData, Tcl_Interp *interp,
int objc, Tcl_Obj **objv)
{
int fm, regno, numregs;
struct type *type;
if (objc != 3)
{
Tcl_WrongNumArgs (interp, 0, objv, "gdb_reginfo regno type format");
return TCL_ERROR;
}
if (Tcl_GetIntFromObj (interp, objv[0], ®no) != TCL_OK)
return TCL_ERROR;
type = (struct type *)strtol (Tcl_GetStringFromObj (objv[1], NULL), NULL, 16);
fm = (int)*(Tcl_GetStringFromObj (objv[2], NULL));
numregs = (gdbarch_num_regs (get_current_arch ())
+ gdbarch_num_pseudo_regs (get_current_arch ()));
if (regno >= numregs)
{
gdbtk_set_result (interp, "Register number %d too large", regno);
return TCL_ERROR;
}
regformat[regno] = fm;
regtype[regno] = type;
return TCL_OK;
}
static int
map_arg_registers (Tcl_Interp *interp, int objc, Tcl_Obj **objv,
map_func func, map_arg arg)
{
int regnum, numregs;
/* Note that the test for a valid register must include checking the
gdbarch_register_name because gdbarch_num_regs may be allocated for
the union of the register sets within a family of related processors.
In this case, some entries of gdbarch_register_name will change
depending upon the particular processor being debugged. */
numregs = (gdbarch_num_regs (get_current_arch ())
+ gdbarch_num_pseudo_regs (get_current_arch ()));
if (objc == 0) /* No args, just do all the regs */
{
result_ptr->flags |= GDBTK_MAKES_LIST;
for (regnum = 0; regnum < numregs; regnum++)
{
if (gdbarch_register_name (get_current_arch (), regnum) == NULL
|| *(gdbarch_register_name (get_current_arch (), regnum)) == '\0')
continue;
func (regnum, arg);
}
return TCL_OK;
}
if (objc == 1)
if (Tcl_ListObjGetElements (interp, *objv, &objc, &objv ) != TCL_OK)
return TCL_ERROR;
if (objc > 1)
result_ptr->flags |= GDBTK_MAKES_LIST;
/* Else, list of register #s, just do listed regs */
for (; objc > 0; objc--, objv++)
{
if (Tcl_GetIntFromObj (NULL, *objv, ®num) != TCL_OK)
{
result_ptr->flags |= GDBTK_IN_TCL_RESULT;
return TCL_ERROR;
}
if (regnum >= 0 && regnum < numregs)
func (regnum, arg);
else
{
Tcl_SetStringObj (result_ptr->obj_ptr, "bad register number", -1);
return TCL_ERROR;
}
}
return TCL_OK;
}
enum mi_cmd_result
mi_cmd_data_list_register_names (char *command, char **argv, int argc)
{
int regnum, numregs;
int i;
struct cleanup *cleanup;
/* Note that the test for a valid register must include checking the
gdbarch_register_name because gdbarch_num_regs may be allocated for
the union of the register sets within a family of related processors.
In this case, some entries of gdbarch_register_name will change depending
upon the particular processor being debugged. */
numregs = gdbarch_num_regs (current_gdbarch)
+ gdbarch_num_pseudo_regs (current_gdbarch);
cleanup = make_cleanup_ui_out_list_begin_end (uiout, "register-names");
if (argc == 0) /* No args, just do all the regs. */
{
for (regnum = 0;
regnum < numregs;
regnum++)
{
if (gdbarch_register_name (current_gdbarch, regnum) == NULL
|| *(gdbarch_register_name (current_gdbarch, regnum)) == '\0')
ui_out_field_string (uiout, NULL, "");
else
ui_out_field_string (uiout, NULL,
gdbarch_register_name
(current_gdbarch, regnum));
}
}
/* Else, list of register #s, just do listed regs. */
for (i = 0; i < argc; i++)
{
regnum = atoi (argv[i]);
if (regnum < 0 || regnum >= numregs)
{
do_cleanups (cleanup);
mi_error_message = xstrprintf ("bad register number");
return MI_CMD_ERROR;
}
if (gdbarch_register_name (current_gdbarch, regnum) == NULL
|| *(gdbarch_register_name (current_gdbarch, regnum)) == '\0')
ui_out_field_string (uiout, NULL, "");
else
ui_out_field_string (uiout, NULL,
gdbarch_register_name (current_gdbarch, regnum));
}
do_cleanups (cleanup);
return MI_CMD_DONE;
}
static void
setup_architecture_data ()
{
int numregs;
xfree (old_regs);
xfree (regformat);
xfree (regtype);
numregs = (gdbarch_num_regs (get_current_arch ())
+ gdbarch_num_pseudo_regs (get_current_arch ()));
old_regs = xcalloc (1, numregs * MAX_REGISTER_SIZE + 1);
regformat = (int *)xcalloc (numregs, sizeof(int));
regtype = (struct type **)xcalloc (numregs, sizeof(struct type **));
}
static int
m68k_dwarf_reg_to_regnum (struct gdbarch *gdbarch, int num)
{
if (num < 8)
/* d0..7 */
return (num - 0) + M68K_D0_REGNUM;
else if (num < 16)
/* a0..7 */
return (num - 8) + M68K_A0_REGNUM;
else if (num < 24 && gdbarch_tdep (gdbarch)->fpregs_present)
/* fp0..7 */
return (num - 16) + M68K_FP0_REGNUM;
else if (num == 25)
/* pc */
return M68K_PC_REGNUM;
else
return gdbarch_num_regs (gdbarch) + gdbarch_num_pseudo_regs (gdbarch);
}
static int
gdb_reggroup (ClientData clientData, Tcl_Interp *interp,
int objc, Tcl_Obj **objv)
{
struct reggroup *group;
char *groupname;
int regnum, num;
if (objc != 1)
{
Tcl_WrongNumArgs (interp, 0, objv, "gdb_reginfo group groupname");
return TCL_ERROR;
}
groupname = Tcl_GetStringFromObj (objv[0], NULL);
if (groupname == NULL)
{
gdbtk_set_result (interp, "could not read groupname");
return TCL_ERROR;
}
for (group = reggroup_next (get_current_arch (), NULL);
group != NULL;
group = reggroup_next (get_current_arch (), group))
{
if (strcmp (groupname, reggroup_name (group)) == 0)
break;
}
if (group == NULL)
return TCL_ERROR;
num = (gdbarch_num_regs (get_current_arch ())
+ gdbarch_num_pseudo_regs (get_current_arch ()));
for (regnum = 0; regnum < num; regnum++)
{
if (gdbarch_register_reggroup_p (get_current_arch (), regnum, group))
Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj (regnum));
}
return TCL_OK;
}
static enum tui_status
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;
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 (gdbarch)
+ gdbarch_num_pseudo_regs (gdbarch);
regnum++)
{
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)
{
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 (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;
/* 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;
if (data)
{
if (!refresh_values_only)
{
data->item_no = regnum;
data->name = name;
data->highlight = FALSE;
}
tui_get_register (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;
}
/* Write given values into registers. The registers and values are
given as pairs. The corresponding MI command is
-data-write-register-values <format> [<regnum1> <value1>...<regnumN> <valueN>]*/
enum mi_cmd_result
mi_cmd_data_write_register_values (char *command, char **argv, int argc)
{
int numregs, i;
char format;
/* Note that the test for a valid register must include checking the
gdbarch_register_name because gdbarch_num_regs may be allocated for
the union of the register sets within a family of related processors.
In this case, some entries of gdbarch_register_name will change depending
upon the particular processor being debugged. */
numregs = gdbarch_num_regs (current_gdbarch)
+ gdbarch_num_pseudo_regs (current_gdbarch);
if (argc == 0)
{
mi_error_message = xstrprintf ("mi_cmd_data_write_register_values: Usage: -data-write-register-values <format> [<regnum1> <value1>...<regnumN> <valueN>]");
return MI_CMD_ERROR;
}
format = (int) argv[0][0];
if (!target_has_registers)
{
mi_error_message = xstrprintf ("mi_cmd_data_write_register_values: No registers.");
return MI_CMD_ERROR;
}
if (!(argc - 1))
{
mi_error_message = xstrprintf ("mi_cmd_data_write_register_values: No regs and values specified.");
return MI_CMD_ERROR;
}
if ((argc - 1) % 2)
{
mi_error_message = xstrprintf ("mi_cmd_data_write_register_values: Regs and vals are not in pairs.");
return MI_CMD_ERROR;
}
for (i = 1; i < argc; i = i + 2)
{
int regnum = atoi (argv[i]);
if (regnum >= 0 && regnum < numregs
&& gdbarch_register_name (current_gdbarch, regnum)
&& *gdbarch_register_name (current_gdbarch, regnum))
{
LONGEST value;
/* Get the value as a number. */
value = parse_and_eval_address (argv[i + 1]);
/* Write it down. */
regcache_cooked_write_signed (get_current_regcache (), regnum, value);
}
else
{
mi_error_message = xstrprintf ("bad register number");
return MI_CMD_ERROR;
}
}
return MI_CMD_DONE;
}
/* Return a list of register number and value pairs. The valid
arguments expected are: a letter indicating the format in which to
display the registers contents. This can be one of: x (hexadecimal), d
(decimal), N (natural), t (binary), o (octal), r (raw). After the
format argumetn there can be a sequence of numbers, indicating which
registers to fetch the content of. If the format is the only argument,
a list of all the registers with their values is returned. */
enum mi_cmd_result
mi_cmd_data_list_register_values (char *command, char **argv, int argc)
{
int regnum, numregs, format, result;
int i;
struct cleanup *list_cleanup, *tuple_cleanup;
/* Note that the test for a valid register must include checking the
gdbarch_register_name because gdbarch_num_regs may be allocated for
the union of the register sets within a family of related processors.
In this case, some entries of gdbarch_register_name will change depending
upon the particular processor being debugged. */
numregs = gdbarch_num_regs (current_gdbarch)
+ gdbarch_num_pseudo_regs (current_gdbarch);
if (argc == 0)
{
mi_error_message = xstrprintf ("mi_cmd_data_list_register_values: Usage: -data-list-register-values <format> [<regnum1>...<regnumN>]");
return MI_CMD_ERROR;
}
format = (int) argv[0][0];
list_cleanup = make_cleanup_ui_out_list_begin_end (uiout, "register-values");
if (argc == 1) /* No args, beside the format: do all the regs. */
{
for (regnum = 0;
regnum < numregs;
regnum++)
{
if (gdbarch_register_name (current_gdbarch, regnum) == NULL
|| *(gdbarch_register_name (current_gdbarch, regnum)) == '\0')
continue;
tuple_cleanup = make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
ui_out_field_int (uiout, "number", regnum);
result = get_register (regnum, format);
if (result == -1)
{
do_cleanups (list_cleanup);
return MI_CMD_ERROR;
}
do_cleanups (tuple_cleanup);
}
}
/* Else, list of register #s, just do listed regs. */
for (i = 1; i < argc; i++)
{
regnum = atoi (argv[i]);
if (regnum >= 0
&& regnum < numregs
&& gdbarch_register_name (current_gdbarch, regnum) != NULL
&& *gdbarch_register_name (current_gdbarch, regnum) != '\000')
{
tuple_cleanup = make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
ui_out_field_int (uiout, "number", regnum);
result = get_register (regnum, format);
if (result == -1)
{
do_cleanups (list_cleanup);
return MI_CMD_ERROR;
}
do_cleanups (tuple_cleanup);
}
else
{
do_cleanups (list_cleanup);
mi_error_message = xstrprintf ("bad register number");
return MI_CMD_ERROR;
}
}
do_cleanups (list_cleanup);
return MI_CMD_DONE;
}
enum mi_cmd_result
mi_cmd_data_list_changed_registers (char *command, char **argv, int argc)
{
static struct regcache *this_regs = NULL;
struct regcache *prev_regs;
int regnum, numregs, changed;
int i;
struct cleanup *cleanup;
/* The last time we visited this function, the current frame's register
contents were saved in THIS_REGS. Move THIS_REGS over to PREV_REGS,
and refresh THIS_REGS with the now-current register contents. */
prev_regs = this_regs;
this_regs = frame_save_as_regcache (get_selected_frame (NULL));
cleanup = make_cleanup_regcache_xfree (prev_regs);
/* Note that the test for a valid register must include checking the
gdbarch_register_name because gdbarch_num_regs may be allocated for
the union of the register sets within a family of related processors.
In this case, some entries of gdbarch_register_name will change depending
upon the particular processor being debugged. */
numregs = gdbarch_num_regs (current_gdbarch)
+ gdbarch_num_pseudo_regs (current_gdbarch);
make_cleanup_ui_out_list_begin_end (uiout, "changed-registers");
if (argc == 0) /* No args, just do all the regs. */
{
for (regnum = 0;
regnum < numregs;
regnum++)
{
if (gdbarch_register_name (current_gdbarch, regnum) == NULL
|| *(gdbarch_register_name (current_gdbarch, regnum)) == '\0')
continue;
changed = register_changed_p (regnum, prev_regs, this_regs);
if (changed < 0)
{
do_cleanups (cleanup);
mi_error_message = xstrprintf ("mi_cmd_data_list_changed_registers: Unable to read register contents.");
return MI_CMD_ERROR;
}
else if (changed)
ui_out_field_int (uiout, NULL, regnum);
}
}
/* Else, list of register #s, just do listed regs. */
for (i = 0; i < argc; i++)
{
regnum = atoi (argv[i]);
if (regnum >= 0
&& regnum < numregs
&& gdbarch_register_name (current_gdbarch, regnum) != NULL
&& *gdbarch_register_name (current_gdbarch, regnum) != '\000')
{
changed = register_changed_p (regnum, prev_regs, this_regs);
if (changed < 0)
{
do_cleanups (cleanup);
mi_error_message = xstrprintf ("mi_cmd_data_list_register_change: Unable to read register contents.");
return MI_CMD_ERROR;
}
else if (changed)
ui_out_field_int (uiout, NULL, regnum);
}
else
{
do_cleanups (cleanup);
mi_error_message = xstrprintf ("bad register number");
return MI_CMD_ERROR;
}
}
do_cleanups (cleanup);
return MI_CMD_DONE;
}
