diff options
| -rw-r--r-- | replay/replay-internal.c | 4 | ||||
| -rw-r--r-- | replay/replay.c | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/replay/replay-internal.c b/replay/replay-internal.c index bea7b4a..fca8514 100644 --- a/replay/replay-internal.c +++ b/replay/replay-internal.c @@ -195,6 +195,10 @@ void replay_save_instructions(void) if (replay_file && replay_mode == REPLAY_MODE_RECORD) { replay_mutex_lock(); int diff = (int)(replay_get_current_step() - replay_state.current_step); + + /* Time can only go forward */ + assert(diff >= 0); + if (diff > 0) { replay_put_event(EVENT_INSTRUCTION); replay_put_dword(diff); diff --git a/replay/replay.c b/replay/replay.c index 9e0724e..f810628 100644 --- a/replay/replay.c +++ b/replay/replay.c @@ -84,6 +84,10 @@ void replay_account_executed_instructions(void) if (replay_state.instructions_count > 0) { int count = (int)(replay_get_current_step() - replay_state.current_step); + + /* Time can only go forward */ + assert(count >= 0); + replay_state.instructions_count -= count; replay_state.current_step += count; if (replay_state.instructions_count == 0) { |