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gdb: convert maintenance target-async and target-non-stop settings to callbacks

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This simplifies things a bit, as we don't need two variables and think
about reverting target_async_permitted_1 and target_non_stop_enabled_1
values if we can't change the setting.

Change-Id: I36acab045dacf02ae1988486cfdb27c1dff309f6
This commit is contained in:
Simon Marchi
2021-11-24 22:11:58 -05:00
committed by Simon Marchi
parent 91ddba836c
commit fdf1350dc1
1 changed files with 32 additions and 36 deletions
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68
gdb/target.c
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@ -4370,27 +4370,24 @@ target_thread_events (int enable)
just for maintainers to use when debugging gdb. */
bool target_async_permitted = true;
/* The set command writes to this variable. If the inferior is
executing, target_async_permitted is *not* updated. */
static bool target_async_permitted_1 = true;
static void
maint_set_target_async_command (const char *args, int from_tty,
struct cmd_list_element *c)
set_maint_target_async (bool permitted)
{
if (have_live_inferiors ())
{
target_async_permitted_1 = target_async_permitted;
error (_("Cannot change this setting while the inferior is running."));
}
error (_("Cannot change this setting while the inferior is running."));
target_async_permitted = target_async_permitted_1;
target_async_permitted = permitted;
}
static bool
get_maint_target_async ()
{
return target_async_permitted;
}
static void
maint_show_target_async_command (struct ui_file *file, int from_tty,
struct cmd_list_element *c,
const char *value)
show_maint_target_async (ui_file *file, int from_tty,
cmd_list_element *c, const char *value)
{
fprintf_filtered (file,
_("Controlling the inferior in "
@ -4442,31 +4439,28 @@ exists_non_stop_target ()
mode. This is just for maintainers to use when debugging gdb. */
enum auto_boolean target_non_stop_enabled = AUTO_BOOLEAN_AUTO;
/* The set command writes to this variable. If the inferior is
executing, target_non_stop_enabled is *not* updated. */
static enum auto_boolean target_non_stop_enabled_1 = AUTO_BOOLEAN_AUTO;
/* Implementation of "maint set target-non-stop". */
/* Set callback for maint target-non-stop setting. */
static void
maint_set_target_non_stop_command (const char *args, int from_tty,
struct cmd_list_element *c)
set_maint_target_non_stop (auto_boolean enabled)
{
if (have_live_inferiors ())
{
target_non_stop_enabled_1 = target_non_stop_enabled;
error (_("Cannot change this setting while the inferior is running."));
}
error (_("Cannot change this setting while the inferior is running."));
target_non_stop_enabled = target_non_stop_enabled_1;
target_non_stop_enabled = enabled;
}
/* Implementation of "maint show target-non-stop". */
/* Get callback for maint target-non-stop setting. */
static auto_boolean
get_maint_target_non_stop ()
{
return target_non_stop_enabled;
}
static void
maint_show_target_non_stop_command (struct ui_file *file, int from_tty,
struct cmd_list_element *c,
const char *value)
show_maint_target_non_stop (ui_file *file, int from_tty,
cmd_list_element *c, const char *value)
{
if (target_non_stop_enabled == AUTO_BOOLEAN_AUTO)
fprintf_filtered (file,
@ -4572,22 +4566,24 @@ result in significant performance improvement for remote targets."),
&maintenanceprintlist);
add_setshow_boolean_cmd ("target-async", no_class,
&target_async_permitted_1, _("\
_("\
Set whether gdb controls the inferior in asynchronous mode."), _("\
Show whether gdb controls the inferior in asynchronous mode."), _("\
Tells gdb whether to control the inferior in asynchronous mode."),
maint_set_target_async_command,
maint_show_target_async_command,
set_maint_target_async,
get_maint_target_async,
show_maint_target_async,
&maintenance_set_cmdlist,
&maintenance_show_cmdlist);
add_setshow_auto_boolean_cmd ("target-non-stop", no_class,
&target_non_stop_enabled_1, _("\
_("\
Set whether gdb always controls the inferior in non-stop mode."), _("\
Show whether gdb always controls the inferior in non-stop mode."), _("\
Tells gdb whether to control the inferior in non-stop mode."),
maint_set_target_non_stop_command,
maint_show_target_non_stop_command,
set_maint_target_non_stop,
get_maint_target_non_stop,
show_maint_target_non_stop,
&maintenance_set_cmdlist,
&maintenance_show_cmdlist);