enum mi_cmd_result
mi_cmd_data_list_changed_registers (char *command, char **argv, int argc)
{
int regnum, numregs, changed;
int i;
struct cleanup *cleanup;
/* Note that the test for a valid register must include checking the
REGISTER_NAME because NUM_REGS may be allocated for the union of
the register sets within a family of related processors. In this
case, some entries of REGISTER_NAME will change depending upon
the particular processor being debugged. */
numregs = NUM_REGS + NUM_PSEUDO_REGS;
cleanup = 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 (REGISTER_NAME (regnum) == NULL
|| *(REGISTER_NAME (regnum)) == '\0')
continue;
changed = register_changed_p (regnum);
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
&& REGISTER_NAME (regnum) != NULL
&& *REGISTER_NAME (regnum) != '\000')
{
changed = register_changed_p (regnum);
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;
}
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;
}
