mirror of
https://gitlab.com/qemu-project/qemu
synced 2024-11-05 20:35:44 +00:00
45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
|
/*
|
||
|
|
* replay-random.c
|
||
|
|
*
|
||
|
|
* Copyright (c) 2010-2020 Institute for System Programming
|
||
|
|
* of the Russian Academy of Sciences.
|
||
|
|
*
|
||
|
|
* This work is licensed under the terms of the GNU GPL, version 2 or later.
|
||
|
|
* See the COPYING file in the top-level directory.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "qemu/osdep.h"
|
||
|
|
#include "qemu/error-report.h"
|
||
|
|
#include "sysemu/replay.h"
|
||
|
|
#include "replay-internal.h"
|
||
|
|
|
||
|
|
void replay_save_random(int ret, void *buf, size_t len)
|
||
|
|
{
|
||
|
|
g_assert(replay_mutex_locked());
|
||
|
|
|
||
|
|
replay_save_instructions();
|
||
|
|
replay_put_event(EVENT_RANDOM);
|
||
|
|
replay_put_dword(ret);
|
||
|
|
replay_put_array(buf, len);
|
||
|
|
}
|
||
|
|
|
||
|
|
int replay_read_random(void *buf, size_t len)
|
||
|
|
{
|
||
|
|
int ret = 0;
|
||
|
|
g_assert(replay_mutex_locked());
|
||
|
|
|
||
|
|
replay_account_executed_instructions();
|
||
|
|
if (replay_next_event_is(EVENT_RANDOM)) {
|
||
|
|
size_t buf_size = 0;
|
||
|
|
ret = replay_get_dword();
|
||
|
|
replay_get_array(buf, &buf_size);
|
||
|
|
replay_finish_event();
|
||
|
|
g_assert(buf_size == len);
|
||
|
|
} else {
|
||
|
|
error_report("Missing random event in the replay log");
|
||
|
|
exit(1);
|
||
|
|
}
|
||
|
|
return ret;
|
||
|
|
}
|