81 lines
2.4 KiB
C
81 lines
2.4 KiB
C
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/*
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* QEMU replay core API
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*
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* Copyright (c) 2010-2015 Institute for System Programming
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* of the Russian Academy of Sciences.
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#ifndef EXEC_REPLAY_H
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#define EXEC_REPLAY_H
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#include "qapi/qapi-types-replay.h"
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extern ReplayMode replay_mode;
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/* Replay process control functions */
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/* Enables recording or saving event log with specified parameters */
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void replay_configure(struct QemuOpts *opts);
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/* Initializes timers used for snapshotting and enables events recording */
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void replay_start(void);
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/* Closes replay log file and frees other resources. */
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void replay_finish(void);
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/* Adds replay blocker with the specified error description */
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void replay_add_blocker(const char *feature);
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/* Returns name of the replay log file */
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const char *replay_get_filename(void);
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/*
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* Start making one step in backward direction.
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* Used by gdbstub for backwards debugging.
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* Returns true on success.
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*/
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bool replay_reverse_step(void);
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/*
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* Start searching the last breakpoint/watchpoint.
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* Used by gdbstub for backwards debugging.
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* Returns true if the process successfully started.
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*/
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bool replay_reverse_continue(void);
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/*
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* Returns true if replay module is processing
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* reverse_continue or reverse_step request
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*/
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bool replay_running_debug(void);
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/* Called in reverse debugging mode to collect breakpoint information */
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void replay_breakpoint(void);
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/* Called when gdb is attached to gdbstub */
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void replay_gdb_attached(void);
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/* Interrupts and exceptions */
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/* Called by exception handler to write or read exception processing events */
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bool replay_exception(void);
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/*
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* Used to determine that exception is pending.
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* Does not proceed to the next event in the log.
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*/
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bool replay_has_exception(void);
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/*
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* Called by interrupt handlers to write or read interrupt processing events.
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* Returns true if interrupt should be processed.
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*/
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bool replay_interrupt(void);
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/*
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* Tries to read interrupt event from the file.
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* Returns true, when interrupt request is pending.
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*/
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bool replay_has_interrupt(void);
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/* Processing data from random generators */
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/* Saves the values from the random number generator */
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void replay_save_random(int ret, void *buf, size_t len);
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/* Loads the saved values for the random number generator */
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int replay_read_random(void *buf, size_t len);
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#endif
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