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- /* Process record and replay target for GDB, the GNU debugger.
- Copyright (C) 2008-2022 Free Software Foundation, Inc.
- This file is part of GDB.
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>. */
- #ifndef RECORD_H
- #define RECORD_H
- #include "target/waitstatus.h" /* For enum target_stop_reason. */
- #include "gdbsupport/enum-flags.h"
- struct address_space;
- struct cmd_list_element;
- struct inferior;
- extern unsigned int record_debug;
- /* Allow record targets to add their own sub-commands. */
- extern struct cmd_list_element *record_cmdlist;
- extern struct cmd_list_element *set_record_cmdlist;
- extern struct cmd_list_element *show_record_cmdlist;
- extern struct cmd_list_element *info_record_cmdlist;
- /* Unwinders for some record targets. */
- extern const struct frame_unwind record_btrace_frame_unwind;
- extern const struct frame_unwind record_btrace_tailcall_frame_unwind;
- /* A list of different recording methods. */
- enum record_method
- {
- /* No or unknown record method. */
- RECORD_METHOD_NONE,
- /* Record method "full". */
- RECORD_METHOD_FULL,
- /* Record method "btrace". */
- RECORD_METHOD_BTRACE
- };
- /* A list of flags specifying what record target methods should print. */
- enum record_print_flag
- {
- /* Print the source file and line (if applicable). */
- RECORD_PRINT_SRC_LINE = (1 << 0),
- /* Print the instruction number range (if applicable). */
- RECORD_PRINT_INSN_RANGE = (1 << 1),
- /* Indent based on call stack depth (if applicable). */
- RECORD_PRINT_INDENT_CALLS = (1 << 2)
- };
- DEF_ENUM_FLAGS_TYPE (enum record_print_flag, record_print_flags);
- /* Determined whether the target is stopped at a software or hardware
- breakpoint, based on PC and the breakpoint tables. The breakpoint
- type is translated to the appropriate target_stop_reason and
- written to REASON. Returns true if stopped at a breakpoint, false
- otherwise. */
- extern int
- record_check_stopped_by_breakpoint (const address_space *aspace,
- CORE_ADDR pc,
- enum target_stop_reason *reason);
- /* Wrapper for target_read_memory that prints a debug message if
- reading memory fails. */
- extern int record_read_memory (struct gdbarch *gdbarch,
- CORE_ADDR memaddr, gdb_byte *myaddr,
- ssize_t len);
- /* A wrapper for target_goto_record that parses ARG as a number. */
- extern void record_goto (const char *arg);
- /* The default "to_disconnect" target method for record targets. */
- extern void record_disconnect (struct target_ops *, const char *, int);
- /* The default "to_detach" target method for record targets. */
- extern void record_detach (struct target_ops *, inferior *, int);
- /* The default "to_mourn_inferior" target method for record targets. */
- extern void record_mourn_inferior (struct target_ops *);
- /* The default "to_kill" target method for record targets. */
- extern void record_kill (struct target_ops *);
- /* Find the record_stratum target in the current target stack.
- Returns NULL if none is found. */
- extern struct target_ops *find_record_target (void);
- /* This is to be called by record_stratum targets' open routine before
- it does anything. */
- extern void record_preopen (void);
- /* Start recording with the given METHOD and FORMAT. NULL means default method
- or format. Throw on failure or invalid method / format. */
- extern void record_start (const char *method, const char *format,
- int from_tty);
- /* Stop recording. Throw on failure. */
- extern void record_stop (int from_tty);
- #endif /* RECORD_H */
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