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fb40c209 | 1 | /* MI Command Set - breakpoint and watchpoint commands. |
8e65ff28 | 2 | Copyright 2000, 2001 Free Software Foundation, Inc. |
ab91fdd5 | 3 | Contributed by Cygnus Solutions (a Red Hat company). |
fb40c209 AC |
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 2 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, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
21 | ||
22 | #include "defs.h" | |
23 | #include "mi-cmds.h" | |
24 | #include "ui-out.h" | |
25 | #include "mi-out.h" | |
26 | #include "breakpoint.h" | |
27 | #include "gdb_string.h" | |
28 | #include "mi-getopt.h" | |
29 | #include "gdb-events.h" | |
30 | ||
31 | /* Convenience macro for allocting typesafe memory. */ | |
32 | ||
33 | #undef XMALLOC | |
34 | #define XMALLOC(TYPE) (TYPE*) xmalloc (sizeof (TYPE)) | |
35 | ||
36 | enum | |
37 | { | |
38 | FROM_TTY = 0 | |
39 | }; | |
40 | ||
41 | /* Output a single breakpoint. */ | |
42 | ||
43 | static void | |
44 | breakpoint_notify (int b) | |
45 | { | |
46 | gdb_breakpoint_query (b); | |
47 | } | |
48 | ||
49 | ||
50 | struct gdb_events breakpoint_hooks = | |
51 | { | |
52 | breakpoint_notify, | |
53 | breakpoint_notify, | |
54 | breakpoint_notify, | |
55 | }; | |
56 | ||
57 | ||
58 | enum bp_type | |
59 | { | |
60 | REG_BP, | |
61 | HW_BP, | |
62 | REGEXP_BP | |
63 | }; | |
64 | ||
65 | /* Insert a breakpoint. The type of breakpoint is specified by the | |
66 | first argument: -break-insert <location> --> insert a regular | |
67 | breakpoint. -break-insert -t <location> --> insert a temporary | |
68 | breakpoint. -break-insert -h <location> --> insert an hardware | |
69 | breakpoint. -break-insert -t -h <location> --> insert a temporary | |
70 | hw bp. | |
71 | -break-insert -r <regexp> --> insert a bp at functions matching | |
72 | <regexp> */ | |
73 | ||
74 | enum mi_cmd_result | |
75 | mi_cmd_break_insert (char *command, char **argv, int argc) | |
76 | { | |
77 | char *address = NULL; | |
78 | enum bp_type type = REG_BP; | |
79 | int temp_p = 0; | |
80 | int thread = -1; | |
81 | int ignore_count = 0; | |
82 | char *condition = NULL; | |
83 | enum gdb_rc rc; | |
84 | struct gdb_events *old_hooks; | |
85 | enum opt | |
86 | { | |
87 | HARDWARE_OPT, TEMP_OPT /*, REGEXP_OPT */ , CONDITION_OPT, | |
88 | IGNORE_COUNT_OPT, THREAD_OPT | |
89 | }; | |
90 | static struct mi_opt opts[] = | |
91 | { | |
92 | {"h", HARDWARE_OPT, 0}, | |
93 | {"t", TEMP_OPT, 0}, | |
94 | {"c", CONDITION_OPT, 1}, | |
95 | {"i", IGNORE_COUNT_OPT, 1}, | |
96 | {"p", THREAD_OPT, 1}, | |
97 | 0 | |
98 | }; | |
99 | ||
100 | /* Parse arguments. It could be -r or -h or -t, <location> or ``--'' | |
101 | to denote the end of the option list. */ | |
102 | int optind = 0; | |
103 | char *optarg; | |
104 | while (1) | |
105 | { | |
106 | int opt = mi_getopt ("mi_cmd_break_insert", argc, argv, opts, &optind, &optarg); | |
107 | if (opt < 0) | |
108 | break; | |
109 | switch ((enum opt) opt) | |
110 | { | |
111 | case TEMP_OPT: | |
112 | temp_p = 1; | |
113 | break; | |
114 | case HARDWARE_OPT: | |
115 | type = HW_BP; | |
116 | break; | |
117 | #if 0 | |
118 | case REGEXP_OPT: | |
119 | type = REGEXP_BP; | |
120 | break; | |
121 | #endif | |
122 | case CONDITION_OPT: | |
123 | condition = optarg; | |
124 | break; | |
125 | case IGNORE_COUNT_OPT: | |
126 | ignore_count = atol (optarg); | |
127 | break; | |
128 | case THREAD_OPT: | |
129 | thread = atol (optarg); | |
130 | break; | |
131 | } | |
132 | } | |
133 | ||
134 | if (optind >= argc) | |
135 | error ("mi_cmd_break_insert: Missing <location>"); | |
136 | if (optind < argc - 1) | |
137 | error ("mi_cmd_break_insert: Garbage following <location>"); | |
138 | address = argv[optind]; | |
139 | ||
140 | /* Now we have what we need, let's insert the breakpoint! */ | |
141 | old_hooks = set_gdb_event_hooks (&breakpoint_hooks); | |
142 | switch (type) | |
143 | { | |
144 | case REG_BP: | |
145 | rc = gdb_breakpoint (address, condition, | |
146 | 0 /*hardwareflag */ , temp_p, | |
147 | thread, ignore_count); | |
148 | break; | |
149 | case HW_BP: | |
150 | rc = gdb_breakpoint (address, condition, | |
151 | 1 /*hardwareflag */ , temp_p, | |
152 | thread, ignore_count); | |
153 | break; | |
154 | #if 0 | |
155 | case REGEXP_BP: | |
156 | if (temp_p) | |
157 | error ("mi_cmd_break_insert: Unsupported tempoary regexp breakpoint"); | |
158 | else | |
159 | rbreak_command_wrapper (address, FROM_TTY); | |
160 | return MI_CMD_DONE; | |
161 | break; | |
162 | #endif | |
163 | default: | |
8e65ff28 AC |
164 | internal_error (__FILE__, __LINE__, |
165 | "mi_cmd_break_insert: Bad switch."); | |
fb40c209 AC |
166 | } |
167 | set_gdb_event_hooks (old_hooks); | |
168 | ||
169 | if (rc == GDB_RC_FAIL) | |
170 | return MI_CMD_CAUGHT_ERROR; | |
171 | else | |
172 | return MI_CMD_DONE; | |
173 | } | |
174 | ||
175 | enum wp_type | |
176 | { | |
177 | REG_WP, | |
178 | READ_WP, | |
179 | ACCESS_WP | |
180 | }; | |
181 | ||
182 | /* Insert a watchpoint. The type of watchpoint is specified by the | |
183 | first argument: | |
184 | -break-watch <expr> --> insert a regular wp. | |
185 | -break-watch -r <expr> --> insert a read watchpoint. | |
186 | -break-watch -a <expr> --> insert an access wp. */ | |
187 | ||
188 | enum mi_cmd_result | |
189 | mi_cmd_break_watch (char *command, char **argv, int argc) | |
190 | { | |
191 | char *expr = NULL; | |
192 | enum wp_type type = REG_WP; | |
193 | enum opt | |
194 | { | |
195 | READ_OPT, ACCESS_OPT | |
196 | }; | |
197 | static struct mi_opt opts[] = | |
198 | { | |
199 | {"r", READ_OPT, 0}, | |
200 | {"a", ACCESS_OPT, 0}, | |
201 | 0 | |
202 | }; | |
203 | ||
204 | /* Parse arguments. */ | |
205 | int optind = 0; | |
206 | char *optarg; | |
207 | while (1) | |
208 | { | |
209 | int opt = mi_getopt ("mi_cmd_break_watch", argc, argv, opts, &optind, &optarg); | |
210 | if (opt < 0) | |
211 | break; | |
212 | switch ((enum opt) opt) | |
213 | { | |
214 | case READ_OPT: | |
215 | type = READ_WP; | |
216 | break; | |
217 | case ACCESS_OPT: | |
218 | type = ACCESS_WP; | |
219 | break; | |
220 | } | |
221 | } | |
222 | if (optind >= argc) | |
223 | error ("mi_cmd_break_watch: Missing <expression>"); | |
224 | if (optind < argc - 1) | |
225 | error ("mi_cmd_break_watch: Garbage following <expression>"); | |
226 | expr = argv[optind]; | |
227 | ||
228 | /* Now we have what we need, let's insert the watchpoint! */ | |
229 | switch (type) | |
230 | { | |
231 | case REG_WP: | |
232 | #ifdef UI_OUT | |
233 | watch_command_wrapper (expr, FROM_TTY); | |
234 | #endif | |
235 | break; | |
236 | case READ_WP: | |
237 | #ifdef UI_OUT | |
238 | rwatch_command_wrapper (expr, FROM_TTY); | |
239 | #endif | |
240 | break; | |
241 | case ACCESS_WP: | |
242 | #ifdef UI_OUT | |
243 | awatch_command_wrapper (expr, FROM_TTY); | |
244 | #endif | |
245 | break; | |
246 | default: | |
247 | error ("mi_cmd_break_watch: Unknown watchpoint type."); | |
248 | } | |
249 | return MI_CMD_DONE; | |
250 | } |