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Commit | Line | Data |
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4a8f6654 AC |
1 | /* MI Interpreter Definitions and Commands for GDB, the GNU debugger. |
2 | ||
ecd75fc8 | 3 | Copyright (C) 2002-2014 Free Software Foundation, Inc. |
4a8f6654 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 | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
4a8f6654 AC |
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 | |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
4a8f6654 AC |
19 | |
20 | #include "defs.h" | |
0e9f083f | 21 | #include <string.h> |
4a8f6654 AC |
22 | #include "interps.h" |
23 | #include "event-top.h" | |
24 | #include "event-loop.h" | |
25 | #include "inferior.h" | |
26 | #include "ui-out.h" | |
27 | #include "top.h" | |
c1043fc2 | 28 | #include "exceptions.h" |
4a8f6654 AC |
29 | #include "mi-main.h" |
30 | #include "mi-cmds.h" | |
31 | #include "mi-out.h" | |
32 | #include "mi-console.h" | |
66bb093b | 33 | #include "mi-common.h" |
683f2885 VP |
34 | #include "observer.h" |
35 | #include "gdbthread.h" | |
c86cf029 | 36 | #include "solist.h" |
8d3788bd | 37 | #include "gdb.h" |
8de0566d | 38 | #include "objfiles.h" |
134a2066 | 39 | #include "tracepoint.h" |
4a8f6654 | 40 | |
2b03b41d SS |
41 | /* These are the interpreter setup, etc. functions for the MI |
42 | interpreter. */ | |
43 | ||
ee047554 | 44 | static void mi_execute_command_wrapper (const char *cmd); |
e837f12a | 45 | static void mi_execute_command_input_handler (char *cmd); |
1af12a7d | 46 | static void mi_command_loop (void *data); |
4a8f6654 AC |
47 | |
48 | /* These are hooks that we put in place while doing interpreter_exec | |
2b03b41d SS |
49 | so we can report interesting things that happened "behind the MI's |
50 | back" in this command. */ | |
51 | ||
bee0189a | 52 | static int mi_interp_query_hook (const char *ctlstr, va_list ap) |
2b03b41d | 53 | ATTRIBUTE_PRINTF (1, 0); |
4a8f6654 | 54 | |
4a8f6654 AC |
55 | static void mi_insert_notify_hooks (void); |
56 | static void mi_remove_notify_hooks (void); | |
1d33d6ba | 57 | static void mi_on_normal_stop (struct bpstats *bs, int print_frame); |
4a8f6654 | 58 | |
683f2885 | 59 | static void mi_new_thread (struct thread_info *t); |
a07daef3 | 60 | static void mi_thread_exit (struct thread_info *t, int silent); |
82a90ccf | 61 | static void mi_record_changed (struct inferior*, int); |
a79b8f6e VP |
62 | static void mi_inferior_added (struct inferior *inf); |
63 | static void mi_inferior_appeared (struct inferior *inf); | |
64 | static void mi_inferior_exit (struct inferior *inf); | |
65 | static void mi_inferior_removed (struct inferior *inf); | |
e1ac3328 | 66 | static void mi_on_resume (ptid_t ptid); |
c86cf029 VP |
67 | static void mi_solib_loaded (struct so_list *solib); |
68 | static void mi_solib_unloaded (struct so_list *solib); | |
f3b1572e | 69 | static void mi_about_to_proceed (void); |
201b4506 | 70 | static void mi_traceframe_changed (int tfnum, int tpnum); |
134a2066 YQ |
71 | static void mi_tsv_created (const struct trace_state_variable *tsv); |
72 | static void mi_tsv_deleted (const struct trace_state_variable *tsv); | |
73 | static void mi_tsv_modified (const struct trace_state_variable *tsv); | |
8d3788bd VP |
74 | static void mi_breakpoint_created (struct breakpoint *b); |
75 | static void mi_breakpoint_deleted (struct breakpoint *b); | |
76 | static void mi_breakpoint_modified (struct breakpoint *b); | |
5b9afe8a | 77 | static void mi_command_param_changed (const char *param, const char *value); |
8de0566d YQ |
78 | static void mi_memory_changed (struct inferior *inf, CORE_ADDR memaddr, |
79 | ssize_t len, const bfd_byte *myaddr); | |
683f2885 | 80 | |
a79b8f6e VP |
81 | static int report_initial_inferior (struct inferior *inf, void *closure); |
82 | ||
4a8f6654 | 83 | static void * |
4801a9a3 | 84 | mi_interpreter_init (struct interp *interp, int top_level) |
4a8f6654 AC |
85 | { |
86 | struct mi_interp *mi = XMALLOC (struct mi_interp); | |
4801a9a3 PA |
87 | const char *name; |
88 | int mi_version; | |
4a8f6654 | 89 | |
bf6309af SS |
90 | /* Assign the output channel created at startup to its own global, |
91 | so that we can create a console channel that encapsulates and | |
92 | prefixes all gdb_output-type bits coming from the rest of the | |
93 | debugger. */ | |
4a8f6654 | 94 | |
bf6309af | 95 | raw_stdout = gdb_stdout; |
4a8f6654 | 96 | |
2b03b41d SS |
97 | /* Create MI console channels, each with a different prefix so they |
98 | can be distinguished. */ | |
4a8f6654 AC |
99 | mi->out = mi_console_file_new (raw_stdout, "~", '"'); |
100 | mi->err = mi_console_file_new (raw_stdout, "&", '"'); | |
101 | mi->log = mi->err; | |
102 | mi->targ = mi_console_file_new (raw_stdout, "@", '"'); | |
103 | mi->event_channel = mi_console_file_new (raw_stdout, "=", 0); | |
104 | ||
4801a9a3 PA |
105 | name = interp_name (interp); |
106 | /* INTERP_MI selects the most recent released version. "mi2" was | |
107 | released as part of GDB 6.0. */ | |
108 | if (strcmp (name, INTERP_MI) == 0) | |
109 | mi_version = 2; | |
110 | else if (strcmp (name, INTERP_MI1) == 0) | |
111 | mi_version = 1; | |
112 | else if (strcmp (name, INTERP_MI2) == 0) | |
113 | mi_version = 2; | |
114 | else if (strcmp (name, INTERP_MI3) == 0) | |
115 | mi_version = 3; | |
116 | else | |
117 | gdb_assert_not_reached ("unhandled MI version"); | |
118 | ||
119 | mi->uiout = mi_out_new (mi_version); | |
120 | ||
683f2885 | 121 | if (top_level) |
063bfe2e VP |
122 | { |
123 | observer_attach_new_thread (mi_new_thread); | |
124 | observer_attach_thread_exit (mi_thread_exit); | |
a79b8f6e | 125 | observer_attach_inferior_added (mi_inferior_added); |
6c95b8df | 126 | observer_attach_inferior_appeared (mi_inferior_appeared); |
4a92f99b | 127 | observer_attach_inferior_exit (mi_inferior_exit); |
a79b8f6e | 128 | observer_attach_inferior_removed (mi_inferior_removed); |
82a90ccf | 129 | observer_attach_record_changed (mi_record_changed); |
f7f9a841 | 130 | observer_attach_normal_stop (mi_on_normal_stop); |
e1ac3328 | 131 | observer_attach_target_resumed (mi_on_resume); |
c86cf029 VP |
132 | observer_attach_solib_loaded (mi_solib_loaded); |
133 | observer_attach_solib_unloaded (mi_solib_unloaded); | |
f3b1572e | 134 | observer_attach_about_to_proceed (mi_about_to_proceed); |
201b4506 | 135 | observer_attach_traceframe_changed (mi_traceframe_changed); |
bb25a15c YQ |
136 | observer_attach_tsv_created (mi_tsv_created); |
137 | observer_attach_tsv_deleted (mi_tsv_deleted); | |
134a2066 | 138 | observer_attach_tsv_modified (mi_tsv_modified); |
8d3788bd VP |
139 | observer_attach_breakpoint_created (mi_breakpoint_created); |
140 | observer_attach_breakpoint_deleted (mi_breakpoint_deleted); | |
141 | observer_attach_breakpoint_modified (mi_breakpoint_modified); | |
5b9afe8a | 142 | observer_attach_command_param_changed (mi_command_param_changed); |
8de0566d | 143 | observer_attach_memory_changed (mi_memory_changed); |
a79b8f6e | 144 | |
2b03b41d SS |
145 | /* The initial inferior is created before this function is |
146 | called, so we need to report it explicitly. Use iteration in | |
147 | case future version of GDB creates more than one inferior | |
148 | up-front. */ | |
a79b8f6e | 149 | iterate_over_inferiors (report_initial_inferior, mi); |
063bfe2e | 150 | } |
683f2885 | 151 | |
4a8f6654 AC |
152 | return mi; |
153 | } | |
154 | ||
155 | static int | |
156 | mi_interpreter_resume (void *data) | |
157 | { | |
158 | struct mi_interp *mi = data; | |
4a8f6654 | 159 | |
2b03b41d SS |
160 | /* As per hack note in mi_interpreter_init, swap in the output |
161 | channels... */ | |
4a8f6654 AC |
162 | gdb_setup_readline (); |
163 | ||
362646f5 AC |
164 | /* These overwrite some of the initialization done in |
165 | _intialize_event_loop. */ | |
166 | call_readline = gdb_readline2; | |
e837f12a | 167 | input_handler = mi_execute_command_input_handler; |
362646f5 AC |
168 | async_command_editing_p = 0; |
169 | /* FIXME: This is a total hack for now. PB's use of the MI | |
170 | implicitly relies on a bug in the async support which allows | |
171 | asynchronous commands to leak through the commmand loop. The bug | |
172 | involves (but is not limited to) the fact that sync_execution was | |
173 | erroneously initialized to 0. Duplicate by initializing it thus | |
174 | here... */ | |
175 | sync_execution = 0; | |
4a8f6654 AC |
176 | |
177 | gdb_stdout = mi->out; | |
2b03b41d | 178 | /* Route error and log output through the MI. */ |
4a8f6654 AC |
179 | gdb_stderr = mi->err; |
180 | gdb_stdlog = mi->log; | |
2b03b41d | 181 | /* Route target output through the MI. */ |
4a8f6654 | 182 | gdb_stdtarg = mi->targ; |
2b03b41d | 183 | /* Route target error through the MI as well. */ |
1f20321b | 184 | gdb_stdtargerr = mi->targ; |
4a8f6654 AC |
185 | |
186 | /* Replace all the hooks that we know about. There really needs to | |
187 | be a better way of doing this... */ | |
188 | clear_interpreter_hooks (); | |
189 | ||
9a4105ab | 190 | deprecated_show_load_progress = mi_load_progress; |
4a8f6654 | 191 | |
4a8f6654 AC |
192 | return 1; |
193 | } | |
194 | ||
195 | static int | |
196 | mi_interpreter_suspend (void *data) | |
197 | { | |
198 | gdb_disable_readline (); | |
199 | return 1; | |
200 | } | |
201 | ||
71fff37b | 202 | static struct gdb_exception |
4a8f6654 AC |
203 | mi_interpreter_exec (void *data, const char *command) |
204 | { | |
ee047554 | 205 | mi_execute_command_wrapper (command); |
c1043fc2 | 206 | return exception_none; |
4a8f6654 AC |
207 | } |
208 | ||
2b03b41d SS |
209 | /* Never display the default GDB prompt in MI case. */ |
210 | ||
4a8f6654 AC |
211 | static int |
212 | mi_interpreter_prompt_p (void *data) | |
213 | { | |
214 | return 0; | |
215 | } | |
216 | ||
ce8f13f8 | 217 | void |
4a8f6654 AC |
218 | mi_cmd_interpreter_exec (char *command, char **argv, int argc) |
219 | { | |
220 | struct interp *interp_to_use; | |
4a8f6654 | 221 | int i; |
a13e061a PA |
222 | char *mi_error_message = NULL; |
223 | struct cleanup *old_chain; | |
4a8f6654 AC |
224 | |
225 | if (argc < 2) | |
1b05df00 | 226 | error (_("-interpreter-exec: " |
9b20d036 | 227 | "Usage: -interpreter-exec interp command")); |
4a8f6654 AC |
228 | |
229 | interp_to_use = interp_lookup (argv[0]); | |
230 | if (interp_to_use == NULL) | |
1b05df00 | 231 | error (_("-interpreter-exec: could not find interpreter \"%s\""), |
9a2b4c1b | 232 | argv[0]); |
4a8f6654 | 233 | |
2b03b41d SS |
234 | /* Insert the MI out hooks, making sure to also call the |
235 | interpreter's hooks if it has any. */ | |
236 | /* KRS: We shouldn't need this... Events should be installed and | |
237 | they should just ALWAYS fire something out down the MI | |
238 | channel. */ | |
4a8f6654 AC |
239 | mi_insert_notify_hooks (); |
240 | ||
2b03b41d | 241 | /* Now run the code. */ |
4a8f6654 | 242 | |
a13e061a | 243 | old_chain = make_cleanup (null_cleanup, 0); |
4a8f6654 AC |
244 | for (i = 1; i < argc; i++) |
245 | { | |
32c1e744 | 246 | struct gdb_exception e = interp_exec (interp_to_use, argv[i]); |
102040f0 | 247 | |
32c1e744 VP |
248 | if (e.reason < 0) |
249 | { | |
250 | mi_error_message = xstrdup (e.message); | |
a13e061a | 251 | make_cleanup (xfree, mi_error_message); |
32c1e744 VP |
252 | break; |
253 | } | |
4a8f6654 AC |
254 | } |
255 | ||
256 | mi_remove_notify_hooks (); | |
257 | ||
a13e061a PA |
258 | if (mi_error_message != NULL) |
259 | error ("%s", mi_error_message); | |
260 | do_cleanups (old_chain); | |
4a8f6654 AC |
261 | } |
262 | ||
2b03b41d SS |
263 | /* This inserts a number of hooks that are meant to produce |
264 | async-notify ("=") MI messages while running commands in another | |
265 | interpreter using mi_interpreter_exec. The canonical use for this | |
266 | is to allow access to the gdb CLI interpreter from within the MI, | |
267 | while still producing MI style output when actions in the CLI | |
268 | command change GDB's state. */ | |
4a8f6654 AC |
269 | |
270 | static void | |
271 | mi_insert_notify_hooks (void) | |
272 | { | |
9a4105ab | 273 | deprecated_query_hook = mi_interp_query_hook; |
4a8f6654 AC |
274 | } |
275 | ||
276 | static void | |
11308a41 | 277 | mi_remove_notify_hooks (void) |
4a8f6654 | 278 | { |
9a4105ab | 279 | deprecated_query_hook = NULL; |
4a8f6654 AC |
280 | } |
281 | ||
282 | static int | |
283 | mi_interp_query_hook (const char *ctlstr, va_list ap) | |
284 | { | |
285 | return 1; | |
286 | } | |
287 | ||
4a8f6654 | 288 | static void |
ee047554 | 289 | mi_execute_command_wrapper (const char *cmd) |
4a8f6654 AC |
290 | { |
291 | mi_execute_command (cmd, stdin == instream); | |
292 | } | |
293 | ||
e837f12a JK |
294 | /* mi_execute_command_wrapper wrapper suitable for INPUT_HANDLER. */ |
295 | ||
296 | static void | |
297 | mi_execute_command_input_handler (char *cmd) | |
298 | { | |
299 | mi_execute_command_wrapper (cmd); | |
300 | ||
301 | fputs_unfiltered ("(gdb) \n", raw_stdout); | |
302 | gdb_flush (raw_stdout); | |
303 | } | |
304 | ||
4a8f6654 | 305 | static void |
1af12a7d | 306 | mi_command_loop (void *data) |
4a8f6654 | 307 | { |
4a8f6654 | 308 | /* Turn off 8 bit strings in quoted output. Any character with the |
2b03b41d | 309 | high bit set is printed using C's octal format. */ |
4a8f6654 | 310 | sevenbit_strings = 1; |
2b03b41d SS |
311 | |
312 | /* Tell the world that we're alive. */ | |
4a8f6654 AC |
313 | fputs_unfiltered ("(gdb) \n", raw_stdout); |
314 | gdb_flush (raw_stdout); | |
2b03b41d | 315 | |
362646f5 | 316 | start_event_loop (); |
4a8f6654 AC |
317 | } |
318 | ||
683f2885 VP |
319 | static void |
320 | mi_new_thread (struct thread_info *t) | |
321 | { | |
322 | struct mi_interp *mi = top_level_interpreter_data (); | |
a79b8f6e VP |
323 | struct inferior *inf = find_inferior_pid (ptid_get_pid (t->ptid)); |
324 | ||
325 | gdb_assert (inf); | |
683f2885 | 326 | |
3d043ef6 | 327 | fprintf_unfiltered (mi->event_channel, |
a79b8f6e VP |
328 | "thread-created,id=\"%d\",group-id=\"i%d\"", |
329 | t->num, inf->num); | |
683f2885 VP |
330 | gdb_flush (mi->event_channel); |
331 | } | |
332 | ||
063bfe2e | 333 | static void |
a07daef3 | 334 | mi_thread_exit (struct thread_info *t, int silent) |
063bfe2e | 335 | { |
a07daef3 | 336 | struct mi_interp *mi; |
a79b8f6e | 337 | struct inferior *inf; |
a07daef3 PA |
338 | |
339 | if (silent) | |
340 | return; | |
341 | ||
a79b8f6e VP |
342 | inf = find_inferior_pid (ptid_get_pid (t->ptid)); |
343 | ||
a07daef3 | 344 | mi = top_level_interpreter_data (); |
063bfe2e | 345 | target_terminal_ours (); |
3d043ef6 | 346 | fprintf_unfiltered (mi->event_channel, |
a79b8f6e VP |
347 | "thread-exited,id=\"%d\",group-id=\"i%d\"", |
348 | t->num, inf->num); | |
063bfe2e VP |
349 | gdb_flush (mi->event_channel); |
350 | } | |
351 | ||
82a90ccf YQ |
352 | /* Emit notification on changing the state of record. */ |
353 | ||
354 | static void | |
355 | mi_record_changed (struct inferior *inferior, int started) | |
356 | { | |
357 | struct mi_interp *mi = top_level_interpreter_data (); | |
358 | ||
359 | fprintf_unfiltered (mi->event_channel, "record-%s,thread-group=\"i%d\"", | |
360 | started ? "started" : "stopped", inferior->num); | |
361 | ||
362 | gdb_flush (mi->event_channel); | |
363 | } | |
364 | ||
a79b8f6e VP |
365 | static void |
366 | mi_inferior_added (struct inferior *inf) | |
367 | { | |
368 | struct mi_interp *mi = top_level_interpreter_data (); | |
102040f0 | 369 | |
a79b8f6e VP |
370 | target_terminal_ours (); |
371 | fprintf_unfiltered (mi->event_channel, | |
372 | "thread-group-added,id=\"i%d\"", | |
373 | inf->num); | |
374 | gdb_flush (mi->event_channel); | |
375 | } | |
376 | ||
377 | static void | |
378 | mi_inferior_appeared (struct inferior *inf) | |
4a92f99b VP |
379 | { |
380 | struct mi_interp *mi = top_level_interpreter_data (); | |
102040f0 | 381 | |
4a92f99b | 382 | target_terminal_ours (); |
a79b8f6e VP |
383 | fprintf_unfiltered (mi->event_channel, |
384 | "thread-group-started,id=\"i%d\",pid=\"%d\"", | |
385 | inf->num, inf->pid); | |
4a92f99b VP |
386 | gdb_flush (mi->event_channel); |
387 | } | |
388 | ||
389 | static void | |
a79b8f6e | 390 | mi_inferior_exit (struct inferior *inf) |
4a92f99b VP |
391 | { |
392 | struct mi_interp *mi = top_level_interpreter_data (); | |
102040f0 | 393 | |
4a92f99b | 394 | target_terminal_ours (); |
8cf64490 TT |
395 | if (inf->has_exit_code) |
396 | fprintf_unfiltered (mi->event_channel, | |
397 | "thread-group-exited,id=\"i%d\",exit-code=\"%s\"", | |
398 | inf->num, int_string (inf->exit_code, 8, 0, 0, 1)); | |
399 | else | |
400 | fprintf_unfiltered (mi->event_channel, | |
401 | "thread-group-exited,id=\"i%d\"", inf->num); | |
402 | ||
4a92f99b VP |
403 | gdb_flush (mi->event_channel); |
404 | } | |
405 | ||
a79b8f6e VP |
406 | static void |
407 | mi_inferior_removed (struct inferior *inf) | |
408 | { | |
409 | struct mi_interp *mi = top_level_interpreter_data (); | |
102040f0 | 410 | |
a79b8f6e VP |
411 | target_terminal_ours (); |
412 | fprintf_unfiltered (mi->event_channel, | |
413 | "thread-group-removed,id=\"i%d\"", | |
414 | inf->num); | |
415 | gdb_flush (mi->event_channel); | |
416 | } | |
417 | ||
f7f9a841 | 418 | static void |
1d33d6ba | 419 | mi_on_normal_stop (struct bpstats *bs, int print_frame) |
f7f9a841 VP |
420 | { |
421 | /* Since this can be called when CLI command is executing, | |
422 | using cli interpreter, be sure to use MI uiout for output, | |
423 | not the current one. */ | |
1d33d6ba | 424 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); |
f7f9a841 | 425 | |
1d33d6ba VP |
426 | if (print_frame) |
427 | { | |
dc146f7c | 428 | int core; |
102040f0 | 429 | |
79a45e25 | 430 | if (current_uiout != mi_uiout) |
1d33d6ba | 431 | { |
2b03b41d SS |
432 | /* The normal_stop function has printed frame information |
433 | into CLI uiout, or some other non-MI uiout. There's no | |
434 | way we can extract proper fields from random uiout | |
435 | object, so we print the frame again. In practice, this | |
436 | can only happen when running a CLI command in MI. */ | |
79a45e25 | 437 | struct ui_out *saved_uiout = current_uiout; |
36dfb11c TT |
438 | struct target_waitstatus last; |
439 | ptid_t last_ptid; | |
102040f0 | 440 | |
79a45e25 | 441 | current_uiout = mi_uiout; |
36dfb11c TT |
442 | |
443 | get_last_target_status (&last_ptid, &last); | |
444 | bpstat_print (bs, last.kind); | |
445 | ||
08d72866 | 446 | print_stack_frame (get_selected_frame (NULL), 0, SRC_AND_LOC, 1); |
79a45e25 | 447 | current_uiout = saved_uiout; |
1d33d6ba VP |
448 | } |
449 | ||
450 | ui_out_field_int (mi_uiout, "thread-id", | |
451 | pid_to_thread_id (inferior_ptid)); | |
452 | if (non_stop) | |
453 | { | |
454 | struct cleanup *back_to = make_cleanup_ui_out_list_begin_end | |
455 | (mi_uiout, "stopped-threads"); | |
102040f0 | 456 | |
1d33d6ba | 457 | ui_out_field_int (mi_uiout, NULL, |
102040f0 | 458 | pid_to_thread_id (inferior_ptid)); |
1d33d6ba VP |
459 | do_cleanups (back_to); |
460 | } | |
461 | else | |
462 | ui_out_field_string (mi_uiout, "stopped-threads", "all"); | |
dc146f7c VP |
463 | |
464 | core = target_core_of_thread (inferior_ptid); | |
465 | if (core != -1) | |
466 | ui_out_field_int (mi_uiout, "core", core); | |
1d33d6ba VP |
467 | } |
468 | ||
f7f9a841 | 469 | fputs_unfiltered ("*stopped", raw_stdout); |
1d33d6ba VP |
470 | mi_out_put (mi_uiout, raw_stdout); |
471 | mi_out_rewind (mi_uiout); | |
4333ada3 | 472 | mi_print_timing_maybe (); |
f7f9a841 VP |
473 | fputs_unfiltered ("\n", raw_stdout); |
474 | gdb_flush (raw_stdout); | |
475 | } | |
476 | ||
f3b1572e PA |
477 | static void |
478 | mi_about_to_proceed (void) | |
479 | { | |
480 | /* Suppress output while calling an inferior function. */ | |
481 | ||
482 | if (!ptid_equal (inferior_ptid, null_ptid)) | |
483 | { | |
484 | struct thread_info *tp = inferior_thread (); | |
102040f0 | 485 | |
16c381f0 | 486 | if (tp->control.in_infcall) |
f3b1572e PA |
487 | return; |
488 | } | |
489 | ||
490 | mi_proceeded = 1; | |
491 | } | |
492 | ||
5b9afe8a YQ |
493 | /* When the element is non-zero, no MI notifications will be emitted in |
494 | response to the corresponding observers. */ | |
2b03b41d | 495 | |
5b9afe8a YQ |
496 | struct mi_suppress_notification mi_suppress_notification = |
497 | { | |
498 | 0, | |
499 | 0, | |
201b4506 | 500 | 0, |
5b9afe8a | 501 | }; |
8d3788bd | 502 | |
201b4506 YQ |
503 | /* Emit notification on changing a traceframe. */ |
504 | ||
505 | static void | |
506 | mi_traceframe_changed (int tfnum, int tpnum) | |
507 | { | |
508 | struct mi_interp *mi = top_level_interpreter_data (); | |
509 | ||
510 | if (mi_suppress_notification.traceframe) | |
511 | return; | |
512 | ||
513 | target_terminal_ours (); | |
514 | ||
515 | if (tfnum >= 0) | |
516 | fprintf_unfiltered (mi->event_channel, "traceframe-changed," | |
517 | "num=\"%d\",tracepoint=\"%d\"\n", | |
518 | tfnum, tpnum); | |
519 | else | |
520 | fprintf_unfiltered (mi->event_channel, "traceframe-changed,end"); | |
521 | ||
522 | gdb_flush (mi->event_channel); | |
523 | } | |
524 | ||
bb25a15c YQ |
525 | /* Emit notification on creating a trace state variable. */ |
526 | ||
527 | static void | |
134a2066 | 528 | mi_tsv_created (const struct trace_state_variable *tsv) |
bb25a15c YQ |
529 | { |
530 | struct mi_interp *mi = top_level_interpreter_data (); | |
531 | ||
532 | target_terminal_ours (); | |
533 | ||
534 | fprintf_unfiltered (mi->event_channel, "tsv-created," | |
134a2066 YQ |
535 | "name=\"%s\",initial=\"%s\"\n", |
536 | tsv->name, plongest (tsv->initial_value)); | |
bb25a15c YQ |
537 | |
538 | gdb_flush (mi->event_channel); | |
539 | } | |
540 | ||
541 | /* Emit notification on deleting a trace state variable. */ | |
542 | ||
543 | static void | |
134a2066 | 544 | mi_tsv_deleted (const struct trace_state_variable *tsv) |
bb25a15c YQ |
545 | { |
546 | struct mi_interp *mi = top_level_interpreter_data (); | |
547 | ||
548 | target_terminal_ours (); | |
549 | ||
134a2066 | 550 | if (tsv != NULL) |
bb25a15c | 551 | fprintf_unfiltered (mi->event_channel, "tsv-deleted," |
134a2066 | 552 | "name=\"%s\"\n", tsv->name); |
bb25a15c YQ |
553 | else |
554 | fprintf_unfiltered (mi->event_channel, "tsv-deleted\n"); | |
555 | ||
556 | gdb_flush (mi->event_channel); | |
557 | } | |
558 | ||
134a2066 YQ |
559 | /* Emit notification on modifying a trace state variable. */ |
560 | ||
561 | static void | |
562 | mi_tsv_modified (const struct trace_state_variable *tsv) | |
563 | { | |
564 | struct mi_interp *mi = top_level_interpreter_data (); | |
565 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); | |
566 | ||
567 | target_terminal_ours (); | |
568 | ||
569 | fprintf_unfiltered (mi->event_channel, | |
570 | "tsv-modified"); | |
571 | ||
572 | ui_out_redirect (mi_uiout, mi->event_channel); | |
573 | ||
574 | ui_out_field_string (mi_uiout, "name", tsv->name); | |
575 | ui_out_field_string (mi_uiout, "initial", | |
576 | plongest (tsv->initial_value)); | |
577 | if (tsv->value_known) | |
578 | ui_out_field_string (mi_uiout, "current", plongest (tsv->value)); | |
579 | ||
580 | ui_out_redirect (mi_uiout, NULL); | |
581 | ||
582 | gdb_flush (mi->event_channel); | |
583 | } | |
584 | ||
8d3788bd | 585 | /* Emit notification about a created breakpoint. */ |
2b03b41d | 586 | |
8d3788bd VP |
587 | static void |
588 | mi_breakpoint_created (struct breakpoint *b) | |
589 | { | |
590 | struct mi_interp *mi = top_level_interpreter_data (); | |
591 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); | |
bfd189b1 | 592 | volatile struct gdb_exception e; |
8d3788bd | 593 | |
5b9afe8a | 594 | if (mi_suppress_notification.breakpoint) |
8d3788bd VP |
595 | return; |
596 | ||
597 | if (b->number <= 0) | |
598 | return; | |
599 | ||
600 | target_terminal_ours (); | |
601 | fprintf_unfiltered (mi->event_channel, | |
602 | "breakpoint-created"); | |
603 | /* We want the output from gdb_breakpoint_query to go to | |
2b03b41d SS |
604 | mi->event_channel. One approach would be to just call |
605 | gdb_breakpoint_query, and then use mi_out_put to send the current | |
606 | content of mi_outout into mi->event_channel. However, that will | |
607 | break if anything is output to mi_uiout prior to calling the | |
608 | breakpoint_created notifications. So, we use | |
609 | ui_out_redirect. */ | |
8d3788bd VP |
610 | ui_out_redirect (mi_uiout, mi->event_channel); |
611 | TRY_CATCH (e, RETURN_MASK_ERROR) | |
612 | gdb_breakpoint_query (mi_uiout, b->number, NULL); | |
613 | ui_out_redirect (mi_uiout, NULL); | |
614 | ||
615 | gdb_flush (mi->event_channel); | |
616 | } | |
617 | ||
618 | /* Emit notification about deleted breakpoint. */ | |
2b03b41d | 619 | |
8d3788bd VP |
620 | static void |
621 | mi_breakpoint_deleted (struct breakpoint *b) | |
622 | { | |
623 | struct mi_interp *mi = top_level_interpreter_data (); | |
624 | ||
5b9afe8a | 625 | if (mi_suppress_notification.breakpoint) |
8d3788bd VP |
626 | return; |
627 | ||
628 | if (b->number <= 0) | |
629 | return; | |
630 | ||
631 | target_terminal_ours (); | |
632 | ||
633 | fprintf_unfiltered (mi->event_channel, "breakpoint-deleted,id=\"%d\"", | |
634 | b->number); | |
635 | ||
636 | gdb_flush (mi->event_channel); | |
637 | } | |
638 | ||
639 | /* Emit notification about modified breakpoint. */ | |
2b03b41d | 640 | |
8d3788bd VP |
641 | static void |
642 | mi_breakpoint_modified (struct breakpoint *b) | |
643 | { | |
644 | struct mi_interp *mi = top_level_interpreter_data (); | |
645 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); | |
bfd189b1 | 646 | volatile struct gdb_exception e; |
8d3788bd | 647 | |
5b9afe8a | 648 | if (mi_suppress_notification.breakpoint) |
8d3788bd VP |
649 | return; |
650 | ||
651 | if (b->number <= 0) | |
652 | return; | |
653 | ||
654 | target_terminal_ours (); | |
655 | fprintf_unfiltered (mi->event_channel, | |
656 | "breakpoint-modified"); | |
657 | /* We want the output from gdb_breakpoint_query to go to | |
2b03b41d SS |
658 | mi->event_channel. One approach would be to just call |
659 | gdb_breakpoint_query, and then use mi_out_put to send the current | |
660 | content of mi_outout into mi->event_channel. However, that will | |
661 | break if anything is output to mi_uiout prior to calling the | |
662 | breakpoint_created notifications. So, we use | |
663 | ui_out_redirect. */ | |
8d3788bd VP |
664 | ui_out_redirect (mi_uiout, mi->event_channel); |
665 | TRY_CATCH (e, RETURN_MASK_ERROR) | |
666 | gdb_breakpoint_query (mi_uiout, b->number, NULL); | |
667 | ui_out_redirect (mi_uiout, NULL); | |
668 | ||
669 | gdb_flush (mi->event_channel); | |
670 | } | |
671 | ||
d90e17a7 PA |
672 | static int |
673 | mi_output_running_pid (struct thread_info *info, void *arg) | |
674 | { | |
675 | ptid_t *ptid = arg; | |
676 | ||
677 | if (ptid_get_pid (*ptid) == ptid_get_pid (info->ptid)) | |
678 | fprintf_unfiltered (raw_stdout, | |
679 | "*running,thread-id=\"%d\"\n", | |
680 | info->num); | |
681 | ||
682 | return 0; | |
683 | } | |
684 | ||
685 | static int | |
686 | mi_inferior_count (struct inferior *inf, void *arg) | |
687 | { | |
688 | if (inf->pid != 0) | |
689 | { | |
690 | int *count_p = arg; | |
691 | (*count_p)++; | |
692 | } | |
693 | ||
694 | return 0; | |
695 | } | |
696 | ||
e1ac3328 VP |
697 | static void |
698 | mi_on_resume (ptid_t ptid) | |
699 | { | |
c5a4d20b PA |
700 | struct thread_info *tp = NULL; |
701 | ||
9944e9c2 | 702 | if (ptid_equal (ptid, minus_one_ptid) || ptid_is_pid (ptid)) |
c5a4d20b PA |
703 | tp = inferior_thread (); |
704 | else | |
e09875d4 | 705 | tp = find_thread_ptid (ptid); |
c5a4d20b PA |
706 | |
707 | /* Suppress output while calling an inferior function. */ | |
16c381f0 | 708 | if (tp->control.in_infcall) |
c5a4d20b PA |
709 | return; |
710 | ||
a2840c35 VP |
711 | /* To cater for older frontends, emit ^running, but do it only once |
712 | per each command. We do it here, since at this point we know | |
713 | that the target was successfully resumed, and in non-async mode, | |
714 | we won't return back to MI interpreter code until the target | |
715 | is done running, so delaying the output of "^running" until then | |
716 | will make it impossible for frontend to know what's going on. | |
717 | ||
718 | In future (MI3), we'll be outputting "^done" here. */ | |
f3b1572e | 719 | if (!running_result_record_printed && mi_proceeded) |
a2840c35 | 720 | { |
c271b6e2 VP |
721 | fprintf_unfiltered (raw_stdout, "%s^running\n", |
722 | current_token ? current_token : ""); | |
a2840c35 VP |
723 | } |
724 | ||
dfd4cc63 | 725 | if (ptid_get_pid (ptid) == -1) |
e1ac3328 | 726 | fprintf_unfiltered (raw_stdout, "*running,thread-id=\"all\"\n"); |
d90e17a7 | 727 | else if (ptid_is_pid (ptid)) |
bb599c81 | 728 | { |
ab730e72 | 729 | int count = 0; |
d90e17a7 PA |
730 | |
731 | /* Backwards compatibility. If there's only one inferior, | |
732 | output "all", otherwise, output each resumed thread | |
733 | individually. */ | |
734 | iterate_over_inferiors (mi_inferior_count, &count); | |
735 | ||
736 | if (count == 1) | |
737 | fprintf_unfiltered (raw_stdout, "*running,thread-id=\"all\"\n"); | |
738 | else | |
739 | iterate_over_threads (mi_output_running_pid, &ptid); | |
bb599c81 | 740 | } |
e1ac3328 VP |
741 | else |
742 | { | |
e09875d4 | 743 | struct thread_info *ti = find_thread_ptid (ptid); |
102040f0 | 744 | |
e1ac3328 VP |
745 | gdb_assert (ti); |
746 | fprintf_unfiltered (raw_stdout, "*running,thread-id=\"%d\"\n", ti->num); | |
747 | } | |
a2840c35 | 748 | |
f3b1572e | 749 | if (!running_result_record_printed && mi_proceeded) |
a2840c35 VP |
750 | { |
751 | running_result_record_printed = 1; | |
752 | /* This is what gdb used to do historically -- printing prompt even if | |
753 | it cannot actually accept any input. This will be surely removed | |
754 | for MI3, and may be removed even earler. */ | |
755 | /* FIXME: review the use of target_is_async_p here -- is that | |
756 | what we want? */ | |
757 | if (!target_is_async_p ()) | |
758 | fputs_unfiltered ("(gdb) \n", raw_stdout); | |
759 | } | |
c1828f25 | 760 | gdb_flush (raw_stdout); |
e1ac3328 VP |
761 | } |
762 | ||
c86cf029 VP |
763 | static void |
764 | mi_solib_loaded (struct so_list *solib) | |
765 | { | |
766 | struct mi_interp *mi = top_level_interpreter_data (); | |
102040f0 | 767 | |
c86cf029 | 768 | target_terminal_ours (); |
f5656ead | 769 | if (gdbarch_has_global_solist (target_gdbarch ())) |
a79b8f6e VP |
770 | fprintf_unfiltered (mi->event_channel, |
771 | "library-loaded,id=\"%s\",target-name=\"%s\"," | |
772 | "host-name=\"%s\",symbols-loaded=\"%d\"", | |
773 | solib->so_original_name, solib->so_original_name, | |
774 | solib->so_name, solib->symbols_loaded); | |
775 | else | |
776 | fprintf_unfiltered (mi->event_channel, | |
777 | "library-loaded,id=\"%s\",target-name=\"%s\"," | |
778 | "host-name=\"%s\",symbols-loaded=\"%d\"," | |
779 | "thread-group=\"i%d\"", | |
780 | solib->so_original_name, solib->so_original_name, | |
781 | solib->so_name, solib->symbols_loaded, | |
782 | current_inferior ()->num); | |
783 | ||
c86cf029 VP |
784 | gdb_flush (mi->event_channel); |
785 | } | |
786 | ||
787 | static void | |
788 | mi_solib_unloaded (struct so_list *solib) | |
789 | { | |
790 | struct mi_interp *mi = top_level_interpreter_data (); | |
102040f0 | 791 | |
c86cf029 | 792 | target_terminal_ours (); |
f5656ead | 793 | if (gdbarch_has_global_solist (target_gdbarch ())) |
a79b8f6e VP |
794 | fprintf_unfiltered (mi->event_channel, |
795 | "library-unloaded,id=\"%s\",target-name=\"%s\"," | |
796 | "host-name=\"%s\"", | |
797 | solib->so_original_name, solib->so_original_name, | |
798 | solib->so_name); | |
799 | else | |
800 | fprintf_unfiltered (mi->event_channel, | |
801 | "library-unloaded,id=\"%s\",target-name=\"%s\"," | |
802 | "host-name=\"%s\",thread-group=\"i%d\"", | |
803 | solib->so_original_name, solib->so_original_name, | |
804 | solib->so_name, current_inferior ()->num); | |
805 | ||
c86cf029 VP |
806 | gdb_flush (mi->event_channel); |
807 | } | |
808 | ||
5b9afe8a YQ |
809 | /* Emit notification about the command parameter change. */ |
810 | ||
811 | static void | |
812 | mi_command_param_changed (const char *param, const char *value) | |
813 | { | |
814 | struct mi_interp *mi = top_level_interpreter_data (); | |
815 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); | |
816 | ||
817 | if (mi_suppress_notification.cmd_param_changed) | |
818 | return; | |
819 | ||
820 | target_terminal_ours (); | |
821 | ||
822 | fprintf_unfiltered (mi->event_channel, | |
823 | "cmd-param-changed"); | |
824 | ||
825 | ui_out_redirect (mi_uiout, mi->event_channel); | |
826 | ||
827 | ui_out_field_string (mi_uiout, "param", param); | |
828 | ui_out_field_string (mi_uiout, "value", value); | |
829 | ||
830 | ui_out_redirect (mi_uiout, NULL); | |
831 | ||
832 | gdb_flush (mi->event_channel); | |
833 | } | |
834 | ||
8de0566d YQ |
835 | /* Emit notification about the target memory change. */ |
836 | ||
837 | static void | |
838 | mi_memory_changed (struct inferior *inferior, CORE_ADDR memaddr, | |
839 | ssize_t len, const bfd_byte *myaddr) | |
840 | { | |
841 | struct mi_interp *mi = top_level_interpreter_data (); | |
842 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); | |
843 | struct obj_section *sec; | |
844 | ||
845 | if (mi_suppress_notification.memory) | |
846 | return; | |
847 | ||
848 | target_terminal_ours (); | |
849 | ||
850 | fprintf_unfiltered (mi->event_channel, | |
851 | "memory-changed"); | |
852 | ||
853 | ui_out_redirect (mi_uiout, mi->event_channel); | |
854 | ||
855 | ui_out_field_fmt (mi_uiout, "thread-group", "i%d", inferior->num); | |
f5656ead | 856 | ui_out_field_core_addr (mi_uiout, "addr", target_gdbarch (), memaddr); |
8de0566d YQ |
857 | ui_out_field_fmt (mi_uiout, "len", "0x%zx", len); |
858 | ||
859 | /* Append 'type=code' into notification if MEMADDR falls in the range of | |
860 | sections contain code. */ | |
861 | sec = find_pc_section (memaddr); | |
862 | if (sec != NULL && sec->objfile != NULL) | |
863 | { | |
864 | flagword flags = bfd_get_section_flags (sec->objfile->obfd, | |
865 | sec->the_bfd_section); | |
866 | ||
867 | if (flags & SEC_CODE) | |
868 | ui_out_field_string (mi_uiout, "type", "code"); | |
869 | } | |
870 | ||
871 | ui_out_redirect (mi_uiout, NULL); | |
872 | ||
873 | gdb_flush (mi->event_channel); | |
874 | } | |
875 | ||
a79b8f6e VP |
876 | static int |
877 | report_initial_inferior (struct inferior *inf, void *closure) | |
878 | { | |
879 | /* This function is called from mi_intepreter_init, and since | |
880 | mi_inferior_added assumes that inferior is fully initialized | |
881 | and top_level_interpreter_data is set, we cannot call | |
882 | it here. */ | |
883 | struct mi_interp *mi = closure; | |
102040f0 | 884 | |
a79b8f6e VP |
885 | target_terminal_ours (); |
886 | fprintf_unfiltered (mi->event_channel, | |
887 | "thread-group-added,id=\"i%d\"", | |
888 | inf->num); | |
889 | gdb_flush (mi->event_channel); | |
890 | return 0; | |
891 | } | |
c86cf029 | 892 | |
4801a9a3 PA |
893 | static struct ui_out * |
894 | mi_ui_out (struct interp *interp) | |
895 | { | |
896 | struct mi_interp *mi = interp_data (interp); | |
897 | ||
898 | return mi->uiout; | |
899 | } | |
900 | ||
37ce89eb SS |
901 | /* Save the original value of raw_stdout here when logging, so we can |
902 | restore correctly when done. */ | |
903 | ||
904 | static struct ui_file *saved_raw_stdout; | |
905 | ||
906 | /* Do MI-specific logging actions; save raw_stdout, and change all | |
907 | the consoles to use the supplied ui-file(s). */ | |
908 | ||
909 | static int | |
910 | mi_set_logging (struct interp *interp, int start_log, | |
911 | struct ui_file *out, struct ui_file *logfile) | |
912 | { | |
913 | struct mi_interp *mi = interp_data (interp); | |
914 | ||
915 | if (!mi) | |
916 | return 0; | |
917 | ||
918 | if (start_log) | |
919 | { | |
920 | /* The tee created already is based on gdb_stdout, which for MI | |
921 | is a console and so we end up in an infinite loop of console | |
922 | writing to ui_file writing to console etc. So discard the | |
923 | existing tee (it hasn't been used yet, and MI won't ever use | |
924 | it), and create one based on raw_stdout instead. */ | |
925 | if (logfile) | |
926 | { | |
927 | ui_file_delete (out); | |
928 | out = tee_file_new (raw_stdout, 0, logfile, 0); | |
929 | } | |
930 | ||
931 | saved_raw_stdout = raw_stdout; | |
932 | raw_stdout = out; | |
933 | } | |
934 | else | |
935 | { | |
936 | raw_stdout = saved_raw_stdout; | |
937 | saved_raw_stdout = NULL; | |
938 | } | |
939 | ||
940 | mi_console_set_raw (mi->out, raw_stdout); | |
941 | mi_console_set_raw (mi->err, raw_stdout); | |
942 | mi_console_set_raw (mi->log, raw_stdout); | |
943 | mi_console_set_raw (mi->targ, raw_stdout); | |
944 | mi_console_set_raw (mi->event_channel, raw_stdout); | |
945 | ||
946 | return 1; | |
947 | } | |
948 | ||
b9362cc7 AC |
949 | extern initialize_file_ftype _initialize_mi_interp; /* -Wmissing-prototypes */ |
950 | ||
4a8f6654 AC |
951 | void |
952 | _initialize_mi_interp (void) | |
953 | { | |
954 | static const struct interp_procs procs = | |
2b03b41d SS |
955 | { |
956 | mi_interpreter_init, /* init_proc */ | |
957 | mi_interpreter_resume, /* resume_proc */ | |
958 | mi_interpreter_suspend, /* suspend_proc */ | |
959 | mi_interpreter_exec, /* exec_proc */ | |
960 | mi_interpreter_prompt_p, /* prompt_proc_p */ | |
37ce89eb | 961 | mi_ui_out, /* ui_out_proc */ |
1af12a7d AB |
962 | mi_set_logging, /* set_logging_proc */ |
963 | mi_command_loop /* command_loop_proc */ | |
2b03b41d | 964 | }; |
4a8f6654 | 965 | |
2fcf52f0 | 966 | /* The various interpreter levels. */ |
4801a9a3 PA |
967 | interp_add (interp_new (INTERP_MI1, &procs)); |
968 | interp_add (interp_new (INTERP_MI2, &procs)); | |
969 | interp_add (interp_new (INTERP_MI3, &procs)); | |
970 | interp_add (interp_new (INTERP_MI, &procs)); | |
4a8f6654 | 971 | } |