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replay: Extract core API to 'exec/replay-core.h'
replay API is used deeply within TCG common code (common to user
and system emulation). Unfortunately "sysemu/replay.h" requires
some QAPI headers for few system-specific declarations, example:
void replay_input_event(QemuConsole *src, InputEvent *evt);
Since commit c2651c0eaa ("qapi/meson: Restrict UI module to system
emulation and tools") the QAPI header defining the InputEvent is
not generated anymore.
To keep it simple, extract the 'core' replay prototypes to a new
"exec/replay-core.h" header which we include in the TCG code that
doesn't need the rest of the replay API.
Reviewed-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru>
Message-Id: <20221219170806.60580-5-philmd@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé
parent
5db2dac462
commit
5b5968c477
13 changed files with 95 additions and 73 deletions
80
include/exec/replay-core.h
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80
include/exec/replay-core.h
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@ -0,0 +1,80 @@
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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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@ -1,8 +1,8 @@
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#ifndef REPLAY_H
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#define REPLAY_H
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#ifndef SYSEMU_REPLAY_H
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#define SYSEMU_REPLAY_H
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/*
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* replay.h
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* QEMU replay (system interface)
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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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@ -12,9 +12,9 @@
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*
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*/
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#include "exec/replay-core.h"
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#include "qapi/qapi-types-misc.h"
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#include "qapi/qapi-types-run-state.h"
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#include "qapi/qapi-types-replay.h"
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#include "qapi/qapi-types-ui.h"
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#include "block/aio.h"
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@ -45,8 +45,6 @@ typedef enum ReplayCheckpoint ReplayCheckpoint;
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typedef struct ReplayNetState ReplayNetState;
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extern ReplayMode replay_mode;
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/* Name of the initial VM snapshot */
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extern char *replay_snapshot;
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@ -63,40 +61,6 @@ extern char *replay_snapshot;
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void replay_mutex_lock(void);
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void replay_mutex_unlock(void);
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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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/* Processing the instructions */
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/*! Returns number of executed instructions. */
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@ -106,22 +70,6 @@ int replay_get_instructions(void);
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/*! Updates instructions counter in replay mode. */
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void replay_account_executed_instructions(void);
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/* Interrupts and exceptions */
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/*! Called by exception handler to write or read
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exception processing events. */
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bool replay_exception(void);
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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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bool replay_has_exception(void);
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/*! Called by interrupt handlers to write or read
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interrupt processing events.
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\return true if interrupt should be processed */
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bool replay_interrupt(void);
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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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bool replay_has_interrupt(void);
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/* Processing clocks and other time sources */
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/*! Save the specified clock */
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@ -143,13 +91,6 @@ int64_t replay_read_clock(ReplayClockKind kind, int64_t raw_icount);
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? replay_save_clock((clock), (value), icount_get_raw_locked()) \
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: (value))
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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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/* Events */
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/*! Called when qemu shutdown is requested. */
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