1 /* Data structures associated with tracepoints in GDB.
2 Copyright (C) 1997, 1998, 1999, 2000, 2007, 2008, 2009, 2010
3 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/>. */
20 #if !defined (TRACEPOINT_H)
21 #define TRACEPOINT_H 1
31 /* A trace state variable is a value managed by a target being
32 traced. A trace state variable (or tsv for short) can be accessed
33 and assigned to by tracepoint actions and conditionals, but is not
34 part of the program being traced, and it doesn't have to be
35 collected. Effectively the variables are scratch space for
38 struct trace_state_variable
40 /* The variable's name. The user has to prefix with a dollar sign,
41 but we don't store that internally. */
44 /* An id number assigned by GDB, and transmitted to targets. */
47 /* The initial value of a variable is a 64-bit signed integer. */
48 LONGEST initial_value
;
50 /* 1 if the value is known, else 0. The value is known during a
51 trace run, or in tfind mode if the variable was collected into
52 the current trace frame. */
55 /* The value of a variable is a 64-bit signed integer. */
58 /* This is true for variables that are predefined and built into
63 /* The trace status encompasses various info about the general state
64 of the tracing run. */
66 enum trace_stop_reason
68 trace_stop_reason_unknown
,
78 /* This is true if the status is coming from a file rather
79 than a live target. */
82 /* This is true if the value of the running field is known. */
87 enum trace_stop_reason stop_reason
;
89 /* If stop_reason == tracepoint_passcount, the on-target number
90 of the tracepoint which caused the stop. */
91 int stopping_tracepoint
;
93 /* Number of traceframes currently in the buffer. */
97 /* Number of traceframes created since start of run. */
99 int traceframes_created
;
101 /* Total size of the target's trace buffer. */
105 /* Unused bytes left in the target's trace buffer. */
110 struct trace_status
*current_trace_status (void);
112 extern char *default_collect
;
114 /* Struct to collect random info about tracepoints on the target. */
127 int num_step_actions
;
128 char *step_actions
[100];
129 struct uploaded_tp
*next
;
132 /* Struct recording info about trace state variables on the target. */
134 struct uploaded_tsv
{
137 LONGEST initial_value
;
139 struct uploaded_tsv
*next
;
142 /* A hook used to notify the UI of tracepoint operations. */
144 extern void (*deprecated_trace_find_hook
) (char *arg
, int from_tty
);
145 extern void (*deprecated_trace_start_stop_hook
) (int start
, int from_tty
);
147 int get_traceframe_number (void);
148 void set_traceframe_number (int);
149 struct cleanup
*make_cleanup_restore_current_traceframe (void);
151 void free_actions (struct breakpoint
*);
152 enum actionline_type
validate_actionline (char **, struct breakpoint
*);
154 extern void end_actions_pseudocommand (char *args
, int from_tty
);
155 extern void while_stepping_pseudocommand (char *args
, int from_tty
);
157 extern struct trace_state_variable
*find_trace_state_variable (const char *name
);
159 extern void parse_trace_status (char *line
, struct trace_status
*ts
);
161 extern void parse_tracepoint_definition (char *line
, struct uploaded_tp
**utpp
);
162 extern void parse_tsv_definition (char *line
, struct uploaded_tsv
**utsvp
);
164 extern struct uploaded_tp
*get_uploaded_tp (int num
, ULONGEST addr
,
165 struct uploaded_tp
**utpp
);
166 extern struct breakpoint
*create_tracepoint_from_upload (struct uploaded_tp
*utp
);
167 extern void merge_uploaded_tracepoints (struct uploaded_tp
**utpp
);
168 extern void merge_uploaded_trace_state_variables (struct uploaded_tsv
**utsvp
);
170 extern void disconnect_or_stop_tracing (int from_tty
);
172 extern void start_tracing (void);
173 extern void stop_tracing (void);
175 extern void trace_status_mi (int on_stop
);
177 #endif /* TRACEPOINT_H */