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/tmp/gdb-8.1/gdb/record.h
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1 /* Process record and replay target for GDB, the GNU debugger.
2
3 Copyright (C) 2008-2018 Free Software Foundation, Inc.
4
5 This file is part of GDB.
6
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.
11
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.
16
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/>. */
19
20 #ifndef _RECORD_H_
21 #define _RECORD_H_
22
23 #include "target/waitstatus.h" /* For enum target_stop_reason. */
24 #include "common/enum-flags.h"
25
26 struct cmd_list_element;
27
28 extern unsigned int record_debug;
29
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;
35
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;
39
40 /* A list of different recording methods. */
41 enum record_method
42 {
43 /* No or unknown record method. */
44 RECORD_METHOD_NONE,
45
46 /* Record method "full". */
47 RECORD_METHOD_FULL,
48
49 /* Record method "btrace". */
50 RECORD_METHOD_BTRACE
51 };
52
53 /* A list of flags specifying what record target methods should print. */
54 enum record_print_flag
55 {
56 /* Print the source file and line (if applicable). */
57 RECORD_PRINT_SRC_LINE = (1 << 0),
58
59 /* Print the instruction number range (if applicable). */
60 RECORD_PRINT_INSN_RANGE = (1 << 1),
61
62 /* Indent based on call stack depth (if applicable). */
63 RECORD_PRINT_INDENT_CALLS = (1 << 2)
64 };
65 DEF_ENUM_FLAGS_TYPE (enum record_print_flag, record_print_flags);
66
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
71 otherwise. */
72
73 extern int
74 record_check_stopped_by_breakpoint (const address_space *aspace,
75 CORE_ADDR pc,
76 enum target_stop_reason *reason);
77
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,
82 ssize_t len);
83
84 /* A wrapper for target_goto_record that parses ARG as a number. */
85 extern void record_goto (const char *arg);
86
87 /* The default "to_disconnect" target method for record targets. */
88 extern void record_disconnect (struct target_ops *, const char *, int);
89
90 /* The default "to_detach" target method for record targets. */
91 extern void record_detach (struct target_ops *, const char *, int);
92
93 /* The default "to_mourn_inferior" target method for record targets. */
94 extern void record_mourn_inferior (struct target_ops *);
95
96 /* The default "to_kill" target method for record targets. */
97 extern void record_kill (struct target_ops *);
98
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);
102
103 /* This is to be called by record_stratum targets' open routine before
104 it does anything. */
105 extern void record_preopen (void);
106
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,
110 int from_tty);
111
112 /* Stop recording. Throw on failure. */
113 extern void record_stop (int from_tty);
114
115 #endif /* _RECORD_H_ */
gdbarch
Definition: gdbarch.c:127
find_record_target
struct target_ops * find_record_target(void)
Definition: record.c:63
CORE_ADDR
bfd_vma CORE_ADDR
Definition: common-types.h:41
cmd_list_element
Definition: cli-decode.h:46
enum-flags.h
record_kill
void record_kill(struct target_ops *)
Definition: record.c:221
record_preopen
void record_preopen(void)
Definition: record.c:86
RECORD_PRINT_INSN_RANGE
Definition: record.h:60
set_record_cmdlist
struct cmd_list_element * set_record_cmdlist
Definition: record.c:52
record_disconnect
void record_disconnect(struct target_ops *, const char *, int)
Definition: record.c:175
record_print_flag
record_print_flag
Definition: record.h:54
record_mourn_inferior
void record_mourn_inferior(struct target_ops *)
Definition: record.c:205
RECORD_METHOD_FULL
Definition: record.h:47
target_ops
Definition: target.h:412
info_record_cmdlist
struct cmd_list_element * info_record_cmdlist
Definition: record.c:54
record_check_stopped_by_breakpoint
int record_check_stopped_by_breakpoint(const address_space *aspace, CORE_ADDR pc, enum target_stop_reason *reason)
Definition: record.c:237
record_detach
void record_detach(struct target_ops *, const char *, int)
Definition: record.c:190
show_record_cmdlist
struct cmd_list_element * show_record_cmdlist
Definition: record.c:53
record_cmdlist
struct cmd_list_element * record_cmdlist
Definition: record.c:50
record_btrace_frame_unwind
const struct frame_unwind record_btrace_frame_unwind
Definition: record-btrace.c:1768
record_btrace_tailcall_frame_unwind
const struct frame_unwind record_btrace_tailcall_frame_unwind
Definition: record-btrace.c:1779
RECORD_METHOD_NONE
Definition: record.h:44
record_method
record_method
Definition: record.h:41
DEF_ENUM_FLAGS_TYPE
DEF_ENUM_FLAGS_TYPE(enum record_print_flag, record_print_flags)
RECORD_METHOD_BTRACE
Definition: record.h:50
waitstatus.h
record_goto
void record_goto(const char *arg)
Definition: record.c:379
gdb_byte
bfd_byte gdb_byte
Definition: common-types.h:38
address_space
Definition: progspace.h:216
RECORD_PRINT_SRC_LINE
Definition: record.h:57
frame_unwind
Definition: frame-unwind.h:144
RECORD_PRINT_INDENT_CALLS
Definition: record.h:63
record_debug
unsigned int record_debug
Definition: record.c:33
record_stop
void record_stop(int from_tty)
Definition: record.c:131
record_read_memory
int record_read_memory(struct gdbarch *gdbarch, CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len)
Definition: record.c:139
target_stop_reason
target_stop_reason
Definition: waitstatus.h:127
record_start
void record_start(const char *method, const char *format, int from_tty)
Definition: record.c:97