diff options
Diffstat (limited to 'gdb/infrun.c')
| -rw-r--r-- | gdb/infrun.c | 39 |
1 files changed, 33 insertions, 6 deletions
diff --git a/gdb/infrun.c b/gdb/infrun.c index 75ac80a..701ea37 100644 --- a/gdb/infrun.c +++ b/gdb/infrun.c @@ -2166,13 +2166,15 @@ resume_cleanups (void *ignore) static const char schedlock_off[] = "off"; static const char schedlock_on[] = "on"; static const char schedlock_step[] = "step"; +static const char schedlock_replay[] = "replay"; static const char *const scheduler_enums[] = { schedlock_off, schedlock_on, schedlock_step, + schedlock_replay, NULL }; -static const char *scheduler_mode = schedlock_off; +static const char *scheduler_mode = schedlock_replay; static void show_scheduler_mode (struct ui_file *file, int from_tty, struct cmd_list_element *c, const char *value) @@ -2238,6 +2240,13 @@ user_visible_resume_ptid (int step) resume. */ resume_ptid = inferior_ptid; } + else if ((scheduler_mode == schedlock_replay) + && target_record_will_replay (minus_one_ptid, execution_direction)) + { + /* User-settable 'scheduler' mode requires solo thread resume in replay + mode. */ + resume_ptid = inferior_ptid; + } else if (!sched_multi && target_supports_multi_process ()) { /* Resume all threads of the current process (and none of other @@ -2803,6 +2812,18 @@ clear_proceed_status_thread (struct thread_info *tp) void clear_proceed_status (int step) { + /* With scheduler-locking replay, stop replaying other threads if we're + not replaying the user-visible resume ptid. + + This is a convenience feature to not require the user to explicitly + stop replaying the other threads. We're assuming that the user's + intent is to resume tracing the recorded process. */ + if (!non_stop && scheduler_mode == schedlock_replay + && target_record_is_replaying (minus_one_ptid) + && !target_record_will_replay (user_visible_resume_ptid (step), + execution_direction)) + target_record_stop_replaying (); + if (!non_stop) { struct thread_info *tp; @@ -2890,7 +2911,10 @@ schedlock_applies (struct thread_info *tp) { return (scheduler_mode == schedlock_on || (scheduler_mode == schedlock_step - && tp->control.stepping_command)); + && tp->control.stepping_command) + || (scheduler_mode == schedlock_replay + && target_record_will_replay (minus_one_ptid, + execution_direction))); } /* Basic routine for continuing the program in various fashions. @@ -9187,10 +9211,13 @@ By default, the debugger will use the same inferior."), scheduler_enums, &scheduler_mode, _("\ Set mode for locking scheduler during execution."), _("\ Show mode for locking scheduler during execution."), _("\ -off == no locking (threads may preempt at any time)\n\ -on == full locking (no thread except the current thread may run)\n\ -step == scheduler locked during stepping commands (step, next, stepi, nexti).\n\ - In this mode, other threads may run during other commands."), +off == no locking (threads may preempt at any time)\n\ +on == full locking (no thread except the current thread may run)\n\ + This applies to both normal execution and replay mode.\n\ +step == scheduler locked during stepping commands (step, next, stepi, nexti).\n\ + In this mode, other threads may run during other commands.\n\ + This applies to both normal execution and replay mode.\n\ +replay == scheduler locked in replay mode and unlocked during normal execution."), set_schedlock_func, /* traps on target vector */ show_scheduler_mode, &setlist, &showlist); |