1 /* Process record and replay target for GDB, the GNU debugger.
3 Copyright (C) 2008-2017 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
23 #include "target/waitstatus.h" /* For enum target_stop_reason. */
24 #include "common/enum-flags.h"
26 struct cmd_list_element
;
28 extern unsigned int record_debug
;
30 /* Allow record targets to add their own sub-commands. */
31 extern struct cmd_list_element
*record_cmdlist
;
32 extern struct cmd_list_element
*set_record_cmdlist
;
33 extern struct cmd_list_element
*show_record_cmdlist
;
34 extern struct cmd_list_element
*info_record_cmdlist
;
36 /* Unwinders for some record targets. */
37 extern const struct frame_unwind record_btrace_frame_unwind
;
38 extern const struct frame_unwind record_btrace_tailcall_frame_unwind
;
40 /* A list of different recording methods. */
43 /* No or unknown record method. */
46 /* Record method "full". */
49 /* Record method "btrace". */
53 /* A list of flags specifying what record target methods should print. */
54 enum record_print_flag
56 /* Print the source file and line (if applicable). */
57 RECORD_PRINT_SRC_LINE
= (1 << 0),
59 /* Print the instruction number range (if applicable). */
60 RECORD_PRINT_INSN_RANGE
= (1 << 1),
62 /* Indent based on call stack depth (if applicable). */
63 RECORD_PRINT_INDENT_CALLS
= (1 << 2)
65 DEF_ENUM_FLAGS_TYPE (enum record_print_flag
, record_print_flags
);
67 /* Determined whether the target is stopped at a software or hardware
68 breakpoint, based on PC and the breakpoint tables. The breakpoint
69 type is translated to the appropriate target_stop_reason and
70 written to REASON. Returns true if stopped at a breakpoint, false
74 record_check_stopped_by_breakpoint (const address_space
*aspace
,
76 enum target_stop_reason
*reason
);
78 /* Wrapper for target_read_memory that prints a debug message if
79 reading memory fails. */
80 extern int record_read_memory (struct gdbarch
*gdbarch
,
81 CORE_ADDR memaddr
, gdb_byte
*myaddr
,
84 /* A wrapper for target_goto_record that parses ARG as a number. */
85 extern void record_goto (const char *arg
);
87 /* The default "to_disconnect" target method for record targets. */
88 extern void record_disconnect (struct target_ops
*, const char *, int);
90 /* The default "to_detach" target method for record targets. */
91 extern void record_detach (struct target_ops
*, const char *, int);
93 /* The default "to_mourn_inferior" target method for record targets. */
94 extern void record_mourn_inferior (struct target_ops
*);
96 /* The default "to_kill" target method for record targets. */
97 extern void record_kill (struct target_ops
*);
99 /* Find the record_stratum target in the current target stack.
100 Returns NULL if none is found. */
101 extern struct target_ops
*find_record_target (void);
103 /* This is to be called by record_stratum targets' open routine before
105 extern void record_preopen (void);
107 /* Start recording with the given METHOD and FORMAT. NULL means default method
108 or format. Throw on failure or invalid method / format. */
109 extern void record_start (const char *method
, const char *format
,
112 /* Stop recording. Throw on failure. */
113 extern void record_stop (int from_tty
);
115 #endif /* _RECORD_H_ */