Commit | Line | Data |
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c906108c | 1 | /* Data structures associated with tracepoints in GDB. |
4c38e0a4 | 2 | Copyright (C) 1997, 1998, 1999, 2000, 2007, 2008, 2009, 2010 |
9b254dd1 | 3 | Free Software Foundation, Inc. |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
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 | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 10 | (at your option) any later version. |
c906108c | 11 | |
c5aa993b JM |
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. | |
c906108c | 16 | |
c5aa993b | 17 | You should have received a copy of the GNU General Public License |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
19 | |
20 | #if !defined (TRACEPOINT_H) | |
21 | #define TRACEPOINT_H 1 | |
22 | ||
f197e0f1 VP |
23 | #include "breakpoint.h" |
24 | #include "target.h" | |
25 | ||
c906108c | 26 | enum actionline_type |
c5aa993b JM |
27 | { |
28 | BADLINE = -1, | |
29 | GENERIC = 0, | |
30 | END = 1, | |
31 | STEPPING = 2 | |
32 | }; | |
c906108c | 33 | |
f61e138d SS |
34 | /* A trace state variable is a value managed by a target being |
35 | traced. A trace state variable (or tsv for short) can be accessed | |
36 | and assigned to by tracepoint actions and conditionals, but is not | |
37 | part of the program being traced, and it doesn't have to be | |
38 | collected. Effectively the variables are scratch space for | |
39 | tracepoints. */ | |
40 | ||
41 | struct trace_state_variable | |
42 | { | |
43 | /* The variable's name. The user has to prefix with a dollar sign, | |
44 | but we don't store that internally. */ | |
45 | const char *name; | |
46 | ||
47 | /* An id number assigned by GDB, and transmitted to targets. */ | |
48 | int number; | |
49 | ||
50 | /* The initial value of a variable is a 64-bit signed integer. */ | |
51 | LONGEST initial_value; | |
52 | ||
53 | /* 1 if the value is known, else 0. The value is known during a | |
54 | trace run, or in tfind mode if the variable was collected into | |
55 | the current trace frame. */ | |
56 | int value_known; | |
57 | ||
58 | /* The value of a variable is a 64-bit signed integer. */ | |
59 | LONGEST value; | |
00bf0b85 SS |
60 | |
61 | /* This is true for variables that are predefined and built into | |
62 | the target. */ | |
63 | int builtin; | |
64 | }; | |
65 | ||
66 | /* The trace status encompasses various info about the general state | |
67 | of the tracing run. */ | |
68 | ||
69 | enum trace_stop_reason | |
70 | { | |
71 | trace_stop_reason_unknown, | |
72 | trace_never_run, | |
73 | tstop_command, | |
74 | trace_buffer_full, | |
75 | trace_disconnected, | |
6c28cbf2 SS |
76 | tracepoint_passcount, |
77 | tracepoint_error | |
f61e138d SS |
78 | }; |
79 | ||
00bf0b85 SS |
80 | struct trace_status |
81 | { | |
82 | /* This is true if the status is coming from a file rather | |
83 | than a live target. */ | |
84 | int from_file; | |
85 | ||
86 | /* This is true if the value of the running field is known. */ | |
87 | int running_known; | |
88 | ||
89 | int running; | |
90 | ||
91 | enum trace_stop_reason stop_reason; | |
92 | ||
6c28cbf2 SS |
93 | /* If stop_reason is tracepoint_passcount or tracepoint_error, this |
94 | is the (on-target) number of the tracepoint which caused the | |
95 | stop. */ | |
00bf0b85 SS |
96 | int stopping_tracepoint; |
97 | ||
6c28cbf2 SS |
98 | /* If stop_reason is tracepoint_error, this is a human-readable |
99 | string that describes the error that happened on the target. */ | |
100 | char *error_desc; | |
101 | ||
4daf5ac0 SS |
102 | /* Number of traceframes currently in the buffer. */ |
103 | ||
00bf0b85 SS |
104 | int traceframe_count; |
105 | ||
4daf5ac0 SS |
106 | /* Number of traceframes created since start of run. */ |
107 | ||
108 | int traceframes_created; | |
109 | ||
110 | /* Total size of the target's trace buffer. */ | |
111 | ||
112 | int buffer_size; | |
113 | ||
114 | /* Unused bytes left in the target's trace buffer. */ | |
00bf0b85 | 115 | |
4daf5ac0 | 116 | int buffer_free; |
00bf0b85 SS |
117 | }; |
118 | ||
119 | struct trace_status *current_trace_status (void); | |
c906108c | 120 | |
35b1e5cc SS |
121 | extern char *default_collect; |
122 | ||
00bf0b85 SS |
123 | /* Struct to collect random info about tracepoints on the target. */ |
124 | ||
409873ef SS |
125 | struct uploaded_string |
126 | { | |
127 | char *str; | |
128 | struct uploaded_string *next; | |
129 | }; | |
130 | ||
131 | struct uploaded_tp | |
132 | { | |
00bf0b85 SS |
133 | int number; |
134 | enum bptype type; | |
135 | ULONGEST addr; | |
136 | int enabled; | |
137 | int step; | |
138 | int pass; | |
139 | int orig_size; | |
140 | char *cond; | |
141 | int numactions; | |
142 | char *actions[100]; | |
143 | int num_step_actions; | |
144 | char *step_actions[100]; | |
409873ef SS |
145 | |
146 | /* The original string defining the location of the tracepoint. */ | |
147 | char *at_string; | |
148 | ||
149 | /* The original string defining the tracepoint's condition. */ | |
150 | char *cond_string; | |
151 | ||
152 | /* List of original strings defining the tracepoint's actions. */ | |
153 | struct uploaded_string *cmd_strings; | |
154 | ||
00bf0b85 SS |
155 | struct uploaded_tp *next; |
156 | }; | |
157 | ||
158 | /* Struct recording info about trace state variables on the target. */ | |
159 | ||
409873ef SS |
160 | struct uploaded_tsv |
161 | { | |
00bf0b85 SS |
162 | const char *name; |
163 | int number; | |
164 | LONGEST initial_value; | |
165 | int builtin; | |
166 | struct uploaded_tsv *next; | |
167 | }; | |
168 | ||
d183932d | 169 | /* A hook used to notify the UI of tracepoint operations. */ |
c906108c | 170 | |
98c5b216 TT |
171 | extern void (*deprecated_trace_find_hook) (char *arg, int from_tty); |
172 | extern void (*deprecated_trace_start_stop_hook) (int start, int from_tty); | |
c906108c | 173 | |
a14ed312 | 174 | int get_traceframe_number (void); |
06cd862c PA |
175 | void set_traceframe_number (int); |
176 | struct cleanup *make_cleanup_restore_current_traceframe (void); | |
177 | ||
1042e4c0 SS |
178 | void free_actions (struct breakpoint *); |
179 | enum actionline_type validate_actionline (char **, struct breakpoint *); | |
c906108c | 180 | |
1042e4c0 SS |
181 | extern void end_actions_pseudocommand (char *args, int from_tty); |
182 | extern void while_stepping_pseudocommand (char *args, int from_tty); | |
c906108c | 183 | |
f61e138d | 184 | extern struct trace_state_variable *find_trace_state_variable (const char *name); |
40e1c229 | 185 | extern struct trace_state_variable *create_trace_state_variable (const char *name); |
f61e138d | 186 | |
409873ef SS |
187 | extern int encode_source_string (int num, ULONGEST addr, |
188 | char *srctype, char *src, | |
189 | char *buf, int buf_size); | |
190 | ||
00bf0b85 SS |
191 | extern void parse_trace_status (char *line, struct trace_status *ts); |
192 | ||
193 | extern void parse_tracepoint_definition (char *line, struct uploaded_tp **utpp); | |
194 | extern void parse_tsv_definition (char *line, struct uploaded_tsv **utsvp); | |
195 | ||
196 | extern struct uploaded_tp *get_uploaded_tp (int num, ULONGEST addr, | |
197 | struct uploaded_tp **utpp); | |
198 | extern struct breakpoint *create_tracepoint_from_upload (struct uploaded_tp *utp); | |
199 | extern void merge_uploaded_tracepoints (struct uploaded_tp **utpp); | |
200 | extern void merge_uploaded_trace_state_variables (struct uploaded_tsv **utsvp); | |
201 | ||
573cda03 SS |
202 | extern void disconnect_or_stop_tracing (int from_tty); |
203 | ||
f224b49d VP |
204 | extern void start_tracing (void); |
205 | extern void stop_tracing (void); | |
206 | ||
207 | extern void trace_status_mi (int on_stop); | |
208 | ||
40e1c229 VP |
209 | extern void tvariables_info_1 (void); |
210 | ||
f197e0f1 VP |
211 | extern void tfind_1 (enum trace_find_type type, int num, |
212 | ULONGEST addr1, ULONGEST addr2, | |
213 | int from_tty); | |
214 | ||
011aacb0 VP |
215 | extern void trace_save (const char *filename, int target_does_save); |
216 | ||
d183932d | 217 | #endif /* TRACEPOINT_H */ |