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