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-rw-r--r--replay/replay-internal.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/replay/replay-internal.c b/replay/replay-internal.c
index efae672dfa..35cff44a36 100644
--- a/replay/replay-internal.c
+++ b/replay/replay-internal.c
@@ -10,6 +10,7 @@
*/
#include "qemu-common.h"
+#include "sysemu/replay.h"
#include "replay-internal.h"
#include "qemu/error-report.h"
#include "sysemu/sysemu.h"
@@ -36,6 +37,7 @@ void replay_put_byte(uint8_t byte)
void replay_put_event(uint8_t event)
{
+ assert(event < EVENT_COUNT);
replay_put_byte(event);
}
@@ -149,8 +151,15 @@ void replay_fetch_data_kind(void)
if (replay_file) {
if (!replay_has_unread_data) {
replay_data_kind = replay_get_byte();
+ if (replay_data_kind == EVENT_INSTRUCTION) {
+ replay_state.instructions_count = replay_get_dword();
+ }
replay_check_error();
replay_has_unread_data = 1;
+ if (replay_data_kind >= EVENT_COUNT) {
+ error_report("Replay: unknown event kind %d", replay_data_kind);
+ exit(1);
+ }
}
}
}
@@ -180,3 +189,18 @@ void replay_mutex_unlock(void)
{
qemu_mutex_unlock(&lock);
}
+
+/*! Saves cached instructions. */
+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);
+ if (diff > 0) {
+ replay_put_event(EVENT_INSTRUCTION);
+ replay_put_dword(diff);
+ replay_state.current_step += diff;
+ }
+ replay_mutex_unlock();
+ }
+}