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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 | ||
c906108c | 23 | enum actionline_type |
c5aa993b JM |
24 | { |
25 | BADLINE = -1, | |
26 | GENERIC = 0, | |
27 | END = 1, | |
28 | STEPPING = 2 | |
29 | }; | |
c906108c | 30 | |
f61e138d SS |
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 | |
36 | tracepoints. */ | |
37 | ||
38 | struct trace_state_variable | |
39 | { | |
40 | /* The variable's name. The user has to prefix with a dollar sign, | |
41 | but we don't store that internally. */ | |
42 | const char *name; | |
43 | ||
44 | /* An id number assigned by GDB, and transmitted to targets. */ | |
45 | int number; | |
46 | ||
47 | /* The initial value of a variable is a 64-bit signed integer. */ | |
48 | LONGEST initial_value; | |
49 | ||
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. */ | |
53 | int value_known; | |
54 | ||
55 | /* The value of a variable is a 64-bit signed integer. */ | |
56 | LONGEST value; | |
00bf0b85 SS |
57 | |
58 | /* This is true for variables that are predefined and built into | |
59 | the target. */ | |
60 | int builtin; | |
61 | }; | |
62 | ||
63 | /* The trace status encompasses various info about the general state | |
64 | of the tracing run. */ | |
65 | ||
66 | enum trace_stop_reason | |
67 | { | |
68 | trace_stop_reason_unknown, | |
69 | trace_never_run, | |
70 | tstop_command, | |
71 | trace_buffer_full, | |
72 | trace_disconnected, | |
73 | tracepoint_passcount | |
f61e138d SS |
74 | }; |
75 | ||
00bf0b85 SS |
76 | struct trace_status |
77 | { | |
78 | /* This is true if the status is coming from a file rather | |
79 | than a live target. */ | |
80 | int from_file; | |
81 | ||
82 | /* This is true if the value of the running field is known. */ | |
83 | int running_known; | |
84 | ||
85 | int running; | |
86 | ||
87 | enum trace_stop_reason stop_reason; | |
88 | ||
89 | int stopping_tracepoint; | |
90 | ||
4daf5ac0 SS |
91 | /* Number of traceframes currently in the buffer. */ |
92 | ||
00bf0b85 SS |
93 | int traceframe_count; |
94 | ||
4daf5ac0 SS |
95 | /* Number of traceframes created since start of run. */ |
96 | ||
97 | int traceframes_created; | |
98 | ||
99 | /* Total size of the target's trace buffer. */ | |
100 | ||
101 | int buffer_size; | |
102 | ||
103 | /* Unused bytes left in the target's trace buffer. */ | |
00bf0b85 | 104 | |
4daf5ac0 | 105 | int buffer_free; |
00bf0b85 SS |
106 | }; |
107 | ||
108 | struct trace_status *current_trace_status (void); | |
c906108c | 109 | |
35b1e5cc SS |
110 | extern char *default_collect; |
111 | ||
00bf0b85 SS |
112 | /* Struct to collect random info about tracepoints on the target. */ |
113 | ||
114 | struct uploaded_tp { | |
115 | int number; | |
116 | enum bptype type; | |
117 | ULONGEST addr; | |
118 | int enabled; | |
119 | int step; | |
120 | int pass; | |
121 | int orig_size; | |
122 | char *cond; | |
123 | int numactions; | |
124 | char *actions[100]; | |
125 | int num_step_actions; | |
126 | char *step_actions[100]; | |
127 | struct uploaded_tp *next; | |
128 | }; | |
129 | ||
130 | /* Struct recording info about trace state variables on the target. */ | |
131 | ||
132 | struct uploaded_tsv { | |
133 | const char *name; | |
134 | int number; | |
135 | LONGEST initial_value; | |
136 | int builtin; | |
137 | struct uploaded_tsv *next; | |
138 | }; | |
139 | ||
d183932d | 140 | /* A hook used to notify the UI of tracepoint operations. */ |
c906108c | 141 | |
98c5b216 TT |
142 | extern void (*deprecated_trace_find_hook) (char *arg, int from_tty); |
143 | extern void (*deprecated_trace_start_stop_hook) (int start, int from_tty); | |
c906108c | 144 | |
a14ed312 | 145 | int get_traceframe_number (void); |
06cd862c PA |
146 | void set_traceframe_number (int); |
147 | struct cleanup *make_cleanup_restore_current_traceframe (void); | |
148 | ||
1042e4c0 SS |
149 | void free_actions (struct breakpoint *); |
150 | enum actionline_type validate_actionline (char **, struct breakpoint *); | |
c906108c | 151 | |
1042e4c0 SS |
152 | extern void end_actions_pseudocommand (char *args, int from_tty); |
153 | extern void while_stepping_pseudocommand (char *args, int from_tty); | |
c906108c | 154 | |
f61e138d SS |
155 | extern struct trace_state_variable *find_trace_state_variable (const char *name); |
156 | ||
00bf0b85 SS |
157 | extern void parse_trace_status (char *line, struct trace_status *ts); |
158 | ||
159 | extern void parse_tracepoint_definition (char *line, struct uploaded_tp **utpp); | |
160 | extern void parse_tsv_definition (char *line, struct uploaded_tsv **utsvp); | |
161 | ||
162 | extern struct uploaded_tp *get_uploaded_tp (int num, ULONGEST addr, | |
163 | struct uploaded_tp **utpp); | |
164 | extern struct breakpoint *create_tracepoint_from_upload (struct uploaded_tp *utp); | |
165 | extern void merge_uploaded_tracepoints (struct uploaded_tp **utpp); | |
166 | extern void merge_uploaded_trace_state_variables (struct uploaded_tsv **utsvp); | |
167 | ||
573cda03 SS |
168 | extern void disconnect_or_stop_tracing (int from_tty); |
169 | ||
d183932d | 170 | #endif /* TRACEPOINT_H */ |