1 #ifndef REPLAY_INTERNAL_H
2 #define REPLAY_INTERNAL_H
7 * Copyright (c) 2010-2015 Institute for System Programming
8 * of the Russian Academy of Sciences.
10 * This work is licensed under the terms of the GNU GPL, version 2 or later.
11 * See the COPYING file in the top-level directory.
18 /* for instruction event */
20 /* for software interrupt */
22 /* for emulated exceptions */
27 typedef struct ReplayState
{
28 /*! Current step - number of processed instructions and timer events. */
29 uint64_t current_step
;
30 /*! Number of instructions to be executed before other events happen. */
31 int instructions_count
;
33 extern ReplayState replay_state
;
35 extern unsigned int replay_data_kind
;
37 /* File for replay writing */
38 extern FILE *replay_file
;
40 void replay_put_byte(uint8_t byte
);
41 void replay_put_event(uint8_t event
);
42 void replay_put_word(uint16_t word
);
43 void replay_put_dword(uint32_t dword
);
44 void replay_put_qword(int64_t qword
);
45 void replay_put_array(const uint8_t *buf
, size_t size
);
47 uint8_t replay_get_byte(void);
48 uint16_t replay_get_word(void);
49 uint32_t replay_get_dword(void);
50 int64_t replay_get_qword(void);
51 void replay_get_array(uint8_t *buf
, size_t *size
);
52 void replay_get_array_alloc(uint8_t **buf
, size_t *size
);
54 /* Mutex functions for protecting replay log file */
56 void replay_mutex_init(void);
57 void replay_mutex_destroy(void);
58 void replay_mutex_lock(void);
59 void replay_mutex_unlock(void);
61 /*! Checks error status of the file. */
62 void replay_check_error(void);
64 /*! Finishes processing of the replayed event and fetches
65 the next event from the log. */
66 void replay_finish_event(void);
67 /*! Reads data type from the file and stores it in the
68 replay_data_kind variable. */
69 void replay_fetch_data_kind(void);
71 /*! Saves queued events (like instructions and sound). */
72 void replay_save_instructions(void);
74 /*! Skips async events until some sync event will be found.
75 \return true, if event was found */
76 bool replay_next_event_is(int event
);