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
23 /* The data structure for an action: */
26 struct action_line *next;
38 /* A trace state variable is a value managed by a target being
39 traced. A trace state variable (or tsv for short) can be accessed
40 and assigned to by tracepoint actions and conditionals, but is not
41 part of the program being traced, and it doesn't have to be
42 collected. Effectively the variables are scratch space for
45 struct trace_state_variable
47 /* The variable's name. The user has to prefix with a dollar sign,
48 but we don't store that internally. */
51 /* An id number assigned by GDB, and transmitted to targets. */
54 /* The initial value of a variable is a 64-bit signed integer. */
55 LONGEST initial_value;
57 /* 1 if the value is known, else 0. The value is known during a
58 trace run, or in tfind mode if the variable was collected into
59 the current trace frame. */
62 /* The value of a variable is a 64-bit signed integer. */
65 /* This is true for variables that are predefined and built into
70 /* The trace status encompasses various info about the general state
71 of the tracing run. */
73 enum trace_stop_reason
75 trace_stop_reason_unknown,
85 /* This is true if the status is coming from a file rather
86 than a live target. */
89 /* This is true if the value of the running field is known. */
94 enum trace_stop_reason stop_reason;
96 int stopping_tracepoint;
98 /* Number of traceframes currently in the buffer. */
100 int traceframe_count;
102 /* Number of traceframes created since start of run. */
104 int traceframes_created;
106 /* Total size of the target's trace buffer. */
110 /* Unused bytes left in the target's trace buffer. */
115 struct trace_status *current_trace_status (void);
117 extern char *default_collect;
119 /* Struct to collect random info about tracepoints on the target. */
132 int num_step_actions;
133 char *step_actions[100];
134 struct uploaded_tp *next;
137 /* Struct recording info about trace state variables on the target. */
139 struct uploaded_tsv {
142 LONGEST initial_value;
144 struct uploaded_tsv *next;
147 /* A hook used to notify the UI of tracepoint operations. */
149 extern void (*deprecated_trace_find_hook) (char *arg, int from_tty);
150 extern void (*deprecated_trace_start_stop_hook) (int start, int from_tty);
152 int get_traceframe_number (void);
153 void set_traceframe_number (int);
154 struct cleanup *make_cleanup_restore_current_traceframe (void);
156 void free_actions (struct breakpoint *);
157 enum actionline_type validate_actionline (char **, struct breakpoint *);
159 extern void end_actions_pseudocommand (char *args, int from_tty);
160 extern void while_stepping_pseudocommand (char *args, int from_tty);
162 extern struct trace_state_variable *find_trace_state_variable (const char *name);
164 extern void parse_trace_status (char *line, struct trace_status *ts);
166 extern void parse_tracepoint_definition (char *line, struct uploaded_tp **utpp);
167 extern void parse_tsv_definition (char *line, struct uploaded_tsv **utsvp);
169 extern struct uploaded_tp *get_uploaded_tp (int num, ULONGEST addr,
170 struct uploaded_tp **utpp);
171 extern struct breakpoint *create_tracepoint_from_upload (struct uploaded_tp *utp);
172 extern void merge_uploaded_tracepoints (struct uploaded_tp **utpp);
173 extern void merge_uploaded_trace_state_variables (struct uploaded_tsv **utsvp);
175 extern void disconnect_or_stop_tracing (int from_tty);
177 #endif /* TRACEPOINT_H */