Commit | Line | Data |
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4a8f6654 AC |
1 | /* MI Interpreter Definitions and Commands for GDB, the GNU debugger. |
2 | ||
28e7fd62 | 3 | Copyright (C) 2002-2013 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" | |
21 | #include "gdb_string.h" | |
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); |
4a8f6654 | 46 | static void mi_command_loop (int mi_version); |
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 | |
f786f615 | 55 | static void mi3_command_loop (void); |
4a8f6654 AC |
56 | static void mi2_command_loop (void); |
57 | static void mi1_command_loop (void); | |
58 | ||
59 | static void mi_insert_notify_hooks (void); | |
60 | static void mi_remove_notify_hooks (void); | |
1d33d6ba | 61 | static void mi_on_normal_stop (struct bpstats *bs, int print_frame); |
4a8f6654 | 62 | |
683f2885 | 63 | static void mi_new_thread (struct thread_info *t); |
a07daef3 | 64 | static void mi_thread_exit (struct thread_info *t, int silent); |
82a90ccf | 65 | static void mi_record_changed (struct inferior*, int); |
a79b8f6e VP |
66 | static void mi_inferior_added (struct inferior *inf); |
67 | static void mi_inferior_appeared (struct inferior *inf); | |
68 | static void mi_inferior_exit (struct inferior *inf); | |
69 | static void mi_inferior_removed (struct inferior *inf); | |
e1ac3328 | 70 | static void mi_on_resume (ptid_t ptid); |
c86cf029 VP |
71 | static void mi_solib_loaded (struct so_list *solib); |
72 | static void mi_solib_unloaded (struct so_list *solib); | |
f3b1572e | 73 | static void mi_about_to_proceed (void); |
201b4506 | 74 | static void mi_traceframe_changed (int tfnum, int tpnum); |
134a2066 YQ |
75 | static void mi_tsv_created (const struct trace_state_variable *tsv); |
76 | static void mi_tsv_deleted (const struct trace_state_variable *tsv); | |
77 | static void mi_tsv_modified (const struct trace_state_variable *tsv); | |
8d3788bd VP |
78 | static void mi_breakpoint_created (struct breakpoint *b); |
79 | static void mi_breakpoint_deleted (struct breakpoint *b); | |
80 | static void mi_breakpoint_modified (struct breakpoint *b); | |
5b9afe8a | 81 | static void mi_command_param_changed (const char *param, const char *value); |
8de0566d YQ |
82 | static void mi_memory_changed (struct inferior *inf, CORE_ADDR memaddr, |
83 | ssize_t len, const bfd_byte *myaddr); | |
683f2885 | 84 | |
a79b8f6e VP |
85 | static int report_initial_inferior (struct inferior *inf, void *closure); |
86 | ||
4a8f6654 | 87 | static void * |
4801a9a3 | 88 | mi_interpreter_init (struct interp *interp, int top_level) |
4a8f6654 AC |
89 | { |
90 | struct mi_interp *mi = XMALLOC (struct mi_interp); | |
4801a9a3 PA |
91 | const char *name; |
92 | int mi_version; | |
4a8f6654 | 93 | |
bf6309af SS |
94 | /* Assign the output channel created at startup to its own global, |
95 | so that we can create a console channel that encapsulates and | |
96 | prefixes all gdb_output-type bits coming from the rest of the | |
97 | debugger. */ | |
4a8f6654 | 98 | |
bf6309af | 99 | raw_stdout = gdb_stdout; |
4a8f6654 | 100 | |
2b03b41d SS |
101 | /* Create MI console channels, each with a different prefix so they |
102 | can be distinguished. */ | |
4a8f6654 AC |
103 | mi->out = mi_console_file_new (raw_stdout, "~", '"'); |
104 | mi->err = mi_console_file_new (raw_stdout, "&", '"'); | |
105 | mi->log = mi->err; | |
106 | mi->targ = mi_console_file_new (raw_stdout, "@", '"'); | |
107 | mi->event_channel = mi_console_file_new (raw_stdout, "=", 0); | |
108 | ||
4801a9a3 PA |
109 | name = interp_name (interp); |
110 | /* INTERP_MI selects the most recent released version. "mi2" was | |
111 | released as part of GDB 6.0. */ | |
112 | if (strcmp (name, INTERP_MI) == 0) | |
113 | mi_version = 2; | |
114 | else if (strcmp (name, INTERP_MI1) == 0) | |
115 | mi_version = 1; | |
116 | else if (strcmp (name, INTERP_MI2) == 0) | |
117 | mi_version = 2; | |
118 | else if (strcmp (name, INTERP_MI3) == 0) | |
119 | mi_version = 3; | |
120 | else | |
121 | gdb_assert_not_reached ("unhandled MI version"); | |
122 | ||
123 | mi->uiout = mi_out_new (mi_version); | |
124 | ||
683f2885 | 125 | if (top_level) |
063bfe2e VP |
126 | { |
127 | observer_attach_new_thread (mi_new_thread); | |
128 | observer_attach_thread_exit (mi_thread_exit); | |
a79b8f6e | 129 | observer_attach_inferior_added (mi_inferior_added); |
6c95b8df | 130 | observer_attach_inferior_appeared (mi_inferior_appeared); |
4a92f99b | 131 | observer_attach_inferior_exit (mi_inferior_exit); |
a79b8f6e | 132 | observer_attach_inferior_removed (mi_inferior_removed); |
82a90ccf | 133 | observer_attach_record_changed (mi_record_changed); |
f7f9a841 | 134 | observer_attach_normal_stop (mi_on_normal_stop); |
e1ac3328 | 135 | observer_attach_target_resumed (mi_on_resume); |
c86cf029 VP |
136 | observer_attach_solib_loaded (mi_solib_loaded); |
137 | observer_attach_solib_unloaded (mi_solib_unloaded); | |
f3b1572e | 138 | observer_attach_about_to_proceed (mi_about_to_proceed); |
201b4506 | 139 | observer_attach_traceframe_changed (mi_traceframe_changed); |
bb25a15c YQ |
140 | observer_attach_tsv_created (mi_tsv_created); |
141 | observer_attach_tsv_deleted (mi_tsv_deleted); | |
134a2066 | 142 | observer_attach_tsv_modified (mi_tsv_modified); |
8d3788bd VP |
143 | observer_attach_breakpoint_created (mi_breakpoint_created); |
144 | observer_attach_breakpoint_deleted (mi_breakpoint_deleted); | |
145 | observer_attach_breakpoint_modified (mi_breakpoint_modified); | |
5b9afe8a | 146 | observer_attach_command_param_changed (mi_command_param_changed); |
8de0566d | 147 | observer_attach_memory_changed (mi_memory_changed); |
a79b8f6e | 148 | |
2b03b41d SS |
149 | /* The initial inferior is created before this function is |
150 | called, so we need to report it explicitly. Use iteration in | |
151 | case future version of GDB creates more than one inferior | |
152 | up-front. */ | |
a79b8f6e | 153 | iterate_over_inferiors (report_initial_inferior, mi); |
063bfe2e | 154 | } |
683f2885 | 155 | |
4a8f6654 AC |
156 | return mi; |
157 | } | |
158 | ||
159 | static int | |
160 | mi_interpreter_resume (void *data) | |
161 | { | |
162 | struct mi_interp *mi = data; | |
4a8f6654 | 163 | |
2b03b41d SS |
164 | /* As per hack note in mi_interpreter_init, swap in the output |
165 | channels... */ | |
4a8f6654 AC |
166 | gdb_setup_readline (); |
167 | ||
362646f5 AC |
168 | /* These overwrite some of the initialization done in |
169 | _intialize_event_loop. */ | |
170 | call_readline = gdb_readline2; | |
e837f12a | 171 | input_handler = mi_execute_command_input_handler; |
362646f5 AC |
172 | async_command_editing_p = 0; |
173 | /* FIXME: This is a total hack for now. PB's use of the MI | |
174 | implicitly relies on a bug in the async support which allows | |
175 | asynchronous commands to leak through the commmand loop. The bug | |
176 | involves (but is not limited to) the fact that sync_execution was | |
177 | erroneously initialized to 0. Duplicate by initializing it thus | |
178 | here... */ | |
179 | sync_execution = 0; | |
4a8f6654 AC |
180 | |
181 | gdb_stdout = mi->out; | |
2b03b41d | 182 | /* Route error and log output through the MI. */ |
4a8f6654 AC |
183 | gdb_stderr = mi->err; |
184 | gdb_stdlog = mi->log; | |
2b03b41d | 185 | /* Route target output through the MI. */ |
4a8f6654 | 186 | gdb_stdtarg = mi->targ; |
2b03b41d | 187 | /* Route target error through the MI as well. */ |
1f20321b | 188 | gdb_stdtargerr = mi->targ; |
4a8f6654 AC |
189 | |
190 | /* Replace all the hooks that we know about. There really needs to | |
191 | be a better way of doing this... */ | |
192 | clear_interpreter_hooks (); | |
193 | ||
9a4105ab | 194 | deprecated_show_load_progress = mi_load_progress; |
4a8f6654 | 195 | |
2b03b41d | 196 | /* If we're _the_ interpreter, take control. */ |
4a8f6654 | 197 | if (current_interp_named_p (INTERP_MI1)) |
9a4105ab | 198 | deprecated_command_loop_hook = mi1_command_loop; |
f786f615 | 199 | else if (current_interp_named_p (INTERP_MI2)) |
9a4105ab | 200 | deprecated_command_loop_hook = mi2_command_loop; |
f786f615 | 201 | else if (current_interp_named_p (INTERP_MI3)) |
9a4105ab | 202 | deprecated_command_loop_hook = mi3_command_loop; |
4a8f6654 | 203 | else |
9a4105ab | 204 | deprecated_command_loop_hook = mi2_command_loop; |
4a8f6654 AC |
205 | |
206 | return 1; | |
207 | } | |
208 | ||
209 | static int | |
210 | mi_interpreter_suspend (void *data) | |
211 | { | |
212 | gdb_disable_readline (); | |
213 | return 1; | |
214 | } | |
215 | ||
71fff37b | 216 | static struct gdb_exception |
4a8f6654 AC |
217 | mi_interpreter_exec (void *data, const char *command) |
218 | { | |
ee047554 | 219 | mi_execute_command_wrapper (command); |
c1043fc2 | 220 | return exception_none; |
4a8f6654 AC |
221 | } |
222 | ||
2b03b41d SS |
223 | /* Never display the default GDB prompt in MI case. */ |
224 | ||
4a8f6654 AC |
225 | static int |
226 | mi_interpreter_prompt_p (void *data) | |
227 | { | |
228 | return 0; | |
229 | } | |
230 | ||
ce8f13f8 | 231 | void |
4a8f6654 AC |
232 | mi_cmd_interpreter_exec (char *command, char **argv, int argc) |
233 | { | |
234 | struct interp *interp_to_use; | |
4a8f6654 | 235 | int i; |
a13e061a PA |
236 | char *mi_error_message = NULL; |
237 | struct cleanup *old_chain; | |
4a8f6654 AC |
238 | |
239 | if (argc < 2) | |
1b05df00 | 240 | error (_("-interpreter-exec: " |
9b20d036 | 241 | "Usage: -interpreter-exec interp command")); |
4a8f6654 AC |
242 | |
243 | interp_to_use = interp_lookup (argv[0]); | |
244 | if (interp_to_use == NULL) | |
1b05df00 | 245 | error (_("-interpreter-exec: could not find interpreter \"%s\""), |
9a2b4c1b | 246 | argv[0]); |
4a8f6654 AC |
247 | |
248 | if (!interp_exec_p (interp_to_use)) | |
1b05df00 | 249 | error (_("-interpreter-exec: interpreter \"%s\" " |
9b20d036 | 250 | "does not support command execution"), |
a13e061a | 251 | argv[0]); |
4a8f6654 | 252 | |
2b03b41d SS |
253 | /* Insert the MI out hooks, making sure to also call the |
254 | interpreter's hooks if it has any. */ | |
255 | /* KRS: We shouldn't need this... Events should be installed and | |
256 | they should just ALWAYS fire something out down the MI | |
257 | channel. */ | |
4a8f6654 AC |
258 | mi_insert_notify_hooks (); |
259 | ||
2b03b41d | 260 | /* Now run the code. */ |
4a8f6654 | 261 | |
a13e061a | 262 | old_chain = make_cleanup (null_cleanup, 0); |
4a8f6654 AC |
263 | for (i = 1; i < argc; i++) |
264 | { | |
32c1e744 | 265 | struct gdb_exception e = interp_exec (interp_to_use, argv[i]); |
102040f0 | 266 | |
32c1e744 VP |
267 | if (e.reason < 0) |
268 | { | |
269 | mi_error_message = xstrdup (e.message); | |
a13e061a | 270 | make_cleanup (xfree, mi_error_message); |
32c1e744 VP |
271 | break; |
272 | } | |
4a8f6654 AC |
273 | } |
274 | ||
275 | mi_remove_notify_hooks (); | |
276 | ||
a13e061a PA |
277 | if (mi_error_message != NULL) |
278 | error ("%s", mi_error_message); | |
279 | do_cleanups (old_chain); | |
4a8f6654 AC |
280 | } |
281 | ||
2b03b41d SS |
282 | /* This inserts a number of hooks that are meant to produce |
283 | async-notify ("=") MI messages while running commands in another | |
284 | interpreter using mi_interpreter_exec. The canonical use for this | |
285 | is to allow access to the gdb CLI interpreter from within the MI, | |
286 | while still producing MI style output when actions in the CLI | |
287 | command change GDB's state. */ | |
4a8f6654 AC |
288 | |
289 | static void | |
290 | mi_insert_notify_hooks (void) | |
291 | { | |
9a4105ab | 292 | deprecated_query_hook = mi_interp_query_hook; |
4a8f6654 AC |
293 | } |
294 | ||
295 | static void | |
11308a41 | 296 | mi_remove_notify_hooks (void) |
4a8f6654 | 297 | { |
9a4105ab | 298 | deprecated_query_hook = NULL; |
4a8f6654 AC |
299 | } |
300 | ||
301 | static int | |
302 | mi_interp_query_hook (const char *ctlstr, va_list ap) | |
303 | { | |
304 | return 1; | |
305 | } | |
306 | ||
4a8f6654 | 307 | static void |
ee047554 | 308 | mi_execute_command_wrapper (const char *cmd) |
4a8f6654 AC |
309 | { |
310 | mi_execute_command (cmd, stdin == instream); | |
311 | } | |
312 | ||
e837f12a JK |
313 | /* mi_execute_command_wrapper wrapper suitable for INPUT_HANDLER. */ |
314 | ||
315 | static void | |
316 | mi_execute_command_input_handler (char *cmd) | |
317 | { | |
318 | mi_execute_command_wrapper (cmd); | |
319 | ||
320 | fputs_unfiltered ("(gdb) \n", raw_stdout); | |
321 | gdb_flush (raw_stdout); | |
322 | } | |
323 | ||
4a8f6654 AC |
324 | static void |
325 | mi1_command_loop (void) | |
326 | { | |
327 | mi_command_loop (1); | |
328 | } | |
329 | ||
330 | static void | |
331 | mi2_command_loop (void) | |
332 | { | |
333 | mi_command_loop (2); | |
334 | } | |
335 | ||
f786f615 AC |
336 | static void |
337 | mi3_command_loop (void) | |
338 | { | |
339 | mi_command_loop (3); | |
340 | } | |
341 | ||
4a8f6654 AC |
342 | static void |
343 | mi_command_loop (int mi_version) | |
344 | { | |
4a8f6654 | 345 | /* Turn off 8 bit strings in quoted output. Any character with the |
2b03b41d | 346 | high bit set is printed using C's octal format. */ |
4a8f6654 | 347 | sevenbit_strings = 1; |
2b03b41d SS |
348 | |
349 | /* Tell the world that we're alive. */ | |
4a8f6654 AC |
350 | fputs_unfiltered ("(gdb) \n", raw_stdout); |
351 | gdb_flush (raw_stdout); | |
2b03b41d | 352 | |
362646f5 | 353 | start_event_loop (); |
4a8f6654 AC |
354 | } |
355 | ||
683f2885 VP |
356 | static void |
357 | mi_new_thread (struct thread_info *t) | |
358 | { | |
359 | struct mi_interp *mi = top_level_interpreter_data (); | |
a79b8f6e VP |
360 | struct inferior *inf = find_inferior_pid (ptid_get_pid (t->ptid)); |
361 | ||
362 | gdb_assert (inf); | |
683f2885 | 363 | |
3d043ef6 | 364 | fprintf_unfiltered (mi->event_channel, |
a79b8f6e VP |
365 | "thread-created,id=\"%d\",group-id=\"i%d\"", |
366 | t->num, inf->num); | |
683f2885 VP |
367 | gdb_flush (mi->event_channel); |
368 | } | |
369 | ||
063bfe2e | 370 | static void |
a07daef3 | 371 | mi_thread_exit (struct thread_info *t, int silent) |
063bfe2e | 372 | { |
a07daef3 | 373 | struct mi_interp *mi; |
a79b8f6e | 374 | struct inferior *inf; |
a07daef3 PA |
375 | |
376 | if (silent) | |
377 | return; | |
378 | ||
a79b8f6e VP |
379 | inf = find_inferior_pid (ptid_get_pid (t->ptid)); |
380 | ||
a07daef3 | 381 | mi = top_level_interpreter_data (); |
063bfe2e | 382 | target_terminal_ours (); |
3d043ef6 | 383 | fprintf_unfiltered (mi->event_channel, |
a79b8f6e VP |
384 | "thread-exited,id=\"%d\",group-id=\"i%d\"", |
385 | t->num, inf->num); | |
063bfe2e VP |
386 | gdb_flush (mi->event_channel); |
387 | } | |
388 | ||
82a90ccf YQ |
389 | /* Emit notification on changing the state of record. */ |
390 | ||
391 | static void | |
392 | mi_record_changed (struct inferior *inferior, int started) | |
393 | { | |
394 | struct mi_interp *mi = top_level_interpreter_data (); | |
395 | ||
396 | fprintf_unfiltered (mi->event_channel, "record-%s,thread-group=\"i%d\"", | |
397 | started ? "started" : "stopped", inferior->num); | |
398 | ||
399 | gdb_flush (mi->event_channel); | |
400 | } | |
401 | ||
a79b8f6e VP |
402 | static void |
403 | mi_inferior_added (struct inferior *inf) | |
404 | { | |
405 | struct mi_interp *mi = top_level_interpreter_data (); | |
102040f0 | 406 | |
a79b8f6e VP |
407 | target_terminal_ours (); |
408 | fprintf_unfiltered (mi->event_channel, | |
409 | "thread-group-added,id=\"i%d\"", | |
410 | inf->num); | |
411 | gdb_flush (mi->event_channel); | |
412 | } | |
413 | ||
414 | static void | |
415 | mi_inferior_appeared (struct inferior *inf) | |
4a92f99b VP |
416 | { |
417 | struct mi_interp *mi = top_level_interpreter_data (); | |
102040f0 | 418 | |
4a92f99b | 419 | target_terminal_ours (); |
a79b8f6e VP |
420 | fprintf_unfiltered (mi->event_channel, |
421 | "thread-group-started,id=\"i%d\",pid=\"%d\"", | |
422 | inf->num, inf->pid); | |
4a92f99b VP |
423 | gdb_flush (mi->event_channel); |
424 | } | |
425 | ||
426 | static void | |
a79b8f6e | 427 | mi_inferior_exit (struct inferior *inf) |
4a92f99b VP |
428 | { |
429 | struct mi_interp *mi = top_level_interpreter_data (); | |
102040f0 | 430 | |
4a92f99b | 431 | target_terminal_ours (); |
8cf64490 TT |
432 | if (inf->has_exit_code) |
433 | fprintf_unfiltered (mi->event_channel, | |
434 | "thread-group-exited,id=\"i%d\",exit-code=\"%s\"", | |
435 | inf->num, int_string (inf->exit_code, 8, 0, 0, 1)); | |
436 | else | |
437 | fprintf_unfiltered (mi->event_channel, | |
438 | "thread-group-exited,id=\"i%d\"", inf->num); | |
439 | ||
4a92f99b VP |
440 | gdb_flush (mi->event_channel); |
441 | } | |
442 | ||
a79b8f6e VP |
443 | static void |
444 | mi_inferior_removed (struct inferior *inf) | |
445 | { | |
446 | struct mi_interp *mi = top_level_interpreter_data (); | |
102040f0 | 447 | |
a79b8f6e VP |
448 | target_terminal_ours (); |
449 | fprintf_unfiltered (mi->event_channel, | |
450 | "thread-group-removed,id=\"i%d\"", | |
451 | inf->num); | |
452 | gdb_flush (mi->event_channel); | |
453 | } | |
454 | ||
f7f9a841 | 455 | static void |
1d33d6ba | 456 | mi_on_normal_stop (struct bpstats *bs, int print_frame) |
f7f9a841 VP |
457 | { |
458 | /* Since this can be called when CLI command is executing, | |
459 | using cli interpreter, be sure to use MI uiout for output, | |
460 | not the current one. */ | |
1d33d6ba | 461 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); |
f7f9a841 | 462 | |
1d33d6ba VP |
463 | if (print_frame) |
464 | { | |
dc146f7c | 465 | int core; |
102040f0 | 466 | |
79a45e25 | 467 | if (current_uiout != mi_uiout) |
1d33d6ba | 468 | { |
2b03b41d SS |
469 | /* The normal_stop function has printed frame information |
470 | into CLI uiout, or some other non-MI uiout. There's no | |
471 | way we can extract proper fields from random uiout | |
472 | object, so we print the frame again. In practice, this | |
473 | can only happen when running a CLI command in MI. */ | |
79a45e25 | 474 | struct ui_out *saved_uiout = current_uiout; |
36dfb11c TT |
475 | struct target_waitstatus last; |
476 | ptid_t last_ptid; | |
102040f0 | 477 | |
79a45e25 | 478 | current_uiout = mi_uiout; |
36dfb11c TT |
479 | |
480 | get_last_target_status (&last_ptid, &last); | |
481 | bpstat_print (bs, last.kind); | |
482 | ||
1d33d6ba | 483 | print_stack_frame (get_selected_frame (NULL), 0, SRC_AND_LOC); |
79a45e25 | 484 | current_uiout = saved_uiout; |
1d33d6ba VP |
485 | } |
486 | ||
487 | ui_out_field_int (mi_uiout, "thread-id", | |
488 | pid_to_thread_id (inferior_ptid)); | |
489 | if (non_stop) | |
490 | { | |
491 | struct cleanup *back_to = make_cleanup_ui_out_list_begin_end | |
492 | (mi_uiout, "stopped-threads"); | |
102040f0 | 493 | |
1d33d6ba | 494 | ui_out_field_int (mi_uiout, NULL, |
102040f0 | 495 | pid_to_thread_id (inferior_ptid)); |
1d33d6ba VP |
496 | do_cleanups (back_to); |
497 | } | |
498 | else | |
499 | ui_out_field_string (mi_uiout, "stopped-threads", "all"); | |
dc146f7c VP |
500 | |
501 | core = target_core_of_thread (inferior_ptid); | |
502 | if (core != -1) | |
503 | ui_out_field_int (mi_uiout, "core", core); | |
1d33d6ba VP |
504 | } |
505 | ||
f7f9a841 | 506 | fputs_unfiltered ("*stopped", raw_stdout); |
1d33d6ba VP |
507 | mi_out_put (mi_uiout, raw_stdout); |
508 | mi_out_rewind (mi_uiout); | |
4333ada3 | 509 | mi_print_timing_maybe (); |
f7f9a841 VP |
510 | fputs_unfiltered ("\n", raw_stdout); |
511 | gdb_flush (raw_stdout); | |
512 | } | |
513 | ||
f3b1572e PA |
514 | static void |
515 | mi_about_to_proceed (void) | |
516 | { | |
517 | /* Suppress output while calling an inferior function. */ | |
518 | ||
519 | if (!ptid_equal (inferior_ptid, null_ptid)) | |
520 | { | |
521 | struct thread_info *tp = inferior_thread (); | |
102040f0 | 522 | |
16c381f0 | 523 | if (tp->control.in_infcall) |
f3b1572e PA |
524 | return; |
525 | } | |
526 | ||
527 | mi_proceeded = 1; | |
528 | } | |
529 | ||
5b9afe8a YQ |
530 | /* When the element is non-zero, no MI notifications will be emitted in |
531 | response to the corresponding observers. */ | |
2b03b41d | 532 | |
5b9afe8a YQ |
533 | struct mi_suppress_notification mi_suppress_notification = |
534 | { | |
535 | 0, | |
536 | 0, | |
201b4506 | 537 | 0, |
5b9afe8a | 538 | }; |
8d3788bd | 539 | |
201b4506 YQ |
540 | /* Emit notification on changing a traceframe. */ |
541 | ||
542 | static void | |
543 | mi_traceframe_changed (int tfnum, int tpnum) | |
544 | { | |
545 | struct mi_interp *mi = top_level_interpreter_data (); | |
546 | ||
547 | if (mi_suppress_notification.traceframe) | |
548 | return; | |
549 | ||
550 | target_terminal_ours (); | |
551 | ||
552 | if (tfnum >= 0) | |
553 | fprintf_unfiltered (mi->event_channel, "traceframe-changed," | |
554 | "num=\"%d\",tracepoint=\"%d\"\n", | |
555 | tfnum, tpnum); | |
556 | else | |
557 | fprintf_unfiltered (mi->event_channel, "traceframe-changed,end"); | |
558 | ||
559 | gdb_flush (mi->event_channel); | |
560 | } | |
561 | ||
bb25a15c YQ |
562 | /* Emit notification on creating a trace state variable. */ |
563 | ||
564 | static void | |
134a2066 | 565 | mi_tsv_created (const struct trace_state_variable *tsv) |
bb25a15c YQ |
566 | { |
567 | struct mi_interp *mi = top_level_interpreter_data (); | |
568 | ||
569 | target_terminal_ours (); | |
570 | ||
571 | fprintf_unfiltered (mi->event_channel, "tsv-created," | |
134a2066 YQ |
572 | "name=\"%s\",initial=\"%s\"\n", |
573 | tsv->name, plongest (tsv->initial_value)); | |
bb25a15c YQ |
574 | |
575 | gdb_flush (mi->event_channel); | |
576 | } | |
577 | ||
578 | /* Emit notification on deleting a trace state variable. */ | |
579 | ||
580 | static void | |
134a2066 | 581 | mi_tsv_deleted (const struct trace_state_variable *tsv) |
bb25a15c YQ |
582 | { |
583 | struct mi_interp *mi = top_level_interpreter_data (); | |
584 | ||
585 | target_terminal_ours (); | |
586 | ||
134a2066 | 587 | if (tsv != NULL) |
bb25a15c | 588 | fprintf_unfiltered (mi->event_channel, "tsv-deleted," |
134a2066 | 589 | "name=\"%s\"\n", tsv->name); |
bb25a15c YQ |
590 | else |
591 | fprintf_unfiltered (mi->event_channel, "tsv-deleted\n"); | |
592 | ||
593 | gdb_flush (mi->event_channel); | |
594 | } | |
595 | ||
134a2066 YQ |
596 | /* Emit notification on modifying a trace state variable. */ |
597 | ||
598 | static void | |
599 | mi_tsv_modified (const struct trace_state_variable *tsv) | |
600 | { | |
601 | struct mi_interp *mi = top_level_interpreter_data (); | |
602 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); | |
603 | ||
604 | target_terminal_ours (); | |
605 | ||
606 | fprintf_unfiltered (mi->event_channel, | |
607 | "tsv-modified"); | |
608 | ||
609 | ui_out_redirect (mi_uiout, mi->event_channel); | |
610 | ||
611 | ui_out_field_string (mi_uiout, "name", tsv->name); | |
612 | ui_out_field_string (mi_uiout, "initial", | |
613 | plongest (tsv->initial_value)); | |
614 | if (tsv->value_known) | |
615 | ui_out_field_string (mi_uiout, "current", plongest (tsv->value)); | |
616 | ||
617 | ui_out_redirect (mi_uiout, NULL); | |
618 | ||
619 | gdb_flush (mi->event_channel); | |
620 | } | |
621 | ||
8d3788bd | 622 | /* Emit notification about a created breakpoint. */ |
2b03b41d | 623 | |
8d3788bd VP |
624 | static void |
625 | mi_breakpoint_created (struct breakpoint *b) | |
626 | { | |
627 | struct mi_interp *mi = top_level_interpreter_data (); | |
628 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); | |
bfd189b1 | 629 | volatile struct gdb_exception e; |
8d3788bd | 630 | |
5b9afe8a | 631 | if (mi_suppress_notification.breakpoint) |
8d3788bd VP |
632 | return; |
633 | ||
634 | if (b->number <= 0) | |
635 | return; | |
636 | ||
637 | target_terminal_ours (); | |
638 | fprintf_unfiltered (mi->event_channel, | |
639 | "breakpoint-created"); | |
640 | /* We want the output from gdb_breakpoint_query to go to | |
2b03b41d SS |
641 | mi->event_channel. One approach would be to just call |
642 | gdb_breakpoint_query, and then use mi_out_put to send the current | |
643 | content of mi_outout into mi->event_channel. However, that will | |
644 | break if anything is output to mi_uiout prior to calling the | |
645 | breakpoint_created notifications. So, we use | |
646 | ui_out_redirect. */ | |
8d3788bd VP |
647 | ui_out_redirect (mi_uiout, mi->event_channel); |
648 | TRY_CATCH (e, RETURN_MASK_ERROR) | |
649 | gdb_breakpoint_query (mi_uiout, b->number, NULL); | |
650 | ui_out_redirect (mi_uiout, NULL); | |
651 | ||
652 | gdb_flush (mi->event_channel); | |
653 | } | |
654 | ||
655 | /* Emit notification about deleted breakpoint. */ | |
2b03b41d | 656 | |
8d3788bd VP |
657 | static void |
658 | mi_breakpoint_deleted (struct breakpoint *b) | |
659 | { | |
660 | struct mi_interp *mi = top_level_interpreter_data (); | |
661 | ||
5b9afe8a | 662 | if (mi_suppress_notification.breakpoint) |
8d3788bd VP |
663 | return; |
664 | ||
665 | if (b->number <= 0) | |
666 | return; | |
667 | ||
668 | target_terminal_ours (); | |
669 | ||
670 | fprintf_unfiltered (mi->event_channel, "breakpoint-deleted,id=\"%d\"", | |
671 | b->number); | |
672 | ||
673 | gdb_flush (mi->event_channel); | |
674 | } | |
675 | ||
676 | /* Emit notification about modified breakpoint. */ | |
2b03b41d | 677 | |
8d3788bd VP |
678 | static void |
679 | mi_breakpoint_modified (struct breakpoint *b) | |
680 | { | |
681 | struct mi_interp *mi = top_level_interpreter_data (); | |
682 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); | |
bfd189b1 | 683 | volatile struct gdb_exception e; |
8d3788bd | 684 | |
5b9afe8a | 685 | if (mi_suppress_notification.breakpoint) |
8d3788bd VP |
686 | return; |
687 | ||
688 | if (b->number <= 0) | |
689 | return; | |
690 | ||
691 | target_terminal_ours (); | |
692 | fprintf_unfiltered (mi->event_channel, | |
693 | "breakpoint-modified"); | |
694 | /* We want the output from gdb_breakpoint_query to go to | |
2b03b41d SS |
695 | mi->event_channel. One approach would be to just call |
696 | gdb_breakpoint_query, and then use mi_out_put to send the current | |
697 | content of mi_outout into mi->event_channel. However, that will | |
698 | break if anything is output to mi_uiout prior to calling the | |
699 | breakpoint_created notifications. So, we use | |
700 | ui_out_redirect. */ | |
8d3788bd VP |
701 | ui_out_redirect (mi_uiout, mi->event_channel); |
702 | TRY_CATCH (e, RETURN_MASK_ERROR) | |
703 | gdb_breakpoint_query (mi_uiout, b->number, NULL); | |
704 | ui_out_redirect (mi_uiout, NULL); | |
705 | ||
706 | gdb_flush (mi->event_channel); | |
707 | } | |
708 | ||
d90e17a7 PA |
709 | static int |
710 | mi_output_running_pid (struct thread_info *info, void *arg) | |
711 | { | |
712 | ptid_t *ptid = arg; | |
713 | ||
714 | if (ptid_get_pid (*ptid) == ptid_get_pid (info->ptid)) | |
715 | fprintf_unfiltered (raw_stdout, | |
716 | "*running,thread-id=\"%d\"\n", | |
717 | info->num); | |
718 | ||
719 | return 0; | |
720 | } | |
721 | ||
722 | static int | |
723 | mi_inferior_count (struct inferior *inf, void *arg) | |
724 | { | |
725 | if (inf->pid != 0) | |
726 | { | |
727 | int *count_p = arg; | |
728 | (*count_p)++; | |
729 | } | |
730 | ||
731 | return 0; | |
732 | } | |
733 | ||
e1ac3328 VP |
734 | static void |
735 | mi_on_resume (ptid_t ptid) | |
736 | { | |
c5a4d20b PA |
737 | struct thread_info *tp = NULL; |
738 | ||
9944e9c2 | 739 | if (ptid_equal (ptid, minus_one_ptid) || ptid_is_pid (ptid)) |
c5a4d20b PA |
740 | tp = inferior_thread (); |
741 | else | |
e09875d4 | 742 | tp = find_thread_ptid (ptid); |
c5a4d20b PA |
743 | |
744 | /* Suppress output while calling an inferior function. */ | |
16c381f0 | 745 | if (tp->control.in_infcall) |
c5a4d20b PA |
746 | return; |
747 | ||
a2840c35 VP |
748 | /* To cater for older frontends, emit ^running, but do it only once |
749 | per each command. We do it here, since at this point we know | |
750 | that the target was successfully resumed, and in non-async mode, | |
751 | we won't return back to MI interpreter code until the target | |
752 | is done running, so delaying the output of "^running" until then | |
753 | will make it impossible for frontend to know what's going on. | |
754 | ||
755 | In future (MI3), we'll be outputting "^done" here. */ | |
f3b1572e | 756 | if (!running_result_record_printed && mi_proceeded) |
a2840c35 | 757 | { |
c271b6e2 VP |
758 | fprintf_unfiltered (raw_stdout, "%s^running\n", |
759 | current_token ? current_token : ""); | |
a2840c35 VP |
760 | } |
761 | ||
e1ac3328 VP |
762 | if (PIDGET (ptid) == -1) |
763 | fprintf_unfiltered (raw_stdout, "*running,thread-id=\"all\"\n"); | |
d90e17a7 | 764 | else if (ptid_is_pid (ptid)) |
bb599c81 | 765 | { |
ab730e72 | 766 | int count = 0; |
d90e17a7 PA |
767 | |
768 | /* Backwards compatibility. If there's only one inferior, | |
769 | output "all", otherwise, output each resumed thread | |
770 | individually. */ | |
771 | iterate_over_inferiors (mi_inferior_count, &count); | |
772 | ||
773 | if (count == 1) | |
774 | fprintf_unfiltered (raw_stdout, "*running,thread-id=\"all\"\n"); | |
775 | else | |
776 | iterate_over_threads (mi_output_running_pid, &ptid); | |
bb599c81 | 777 | } |
e1ac3328 VP |
778 | else |
779 | { | |
e09875d4 | 780 | struct thread_info *ti = find_thread_ptid (ptid); |
102040f0 | 781 | |
e1ac3328 VP |
782 | gdb_assert (ti); |
783 | fprintf_unfiltered (raw_stdout, "*running,thread-id=\"%d\"\n", ti->num); | |
784 | } | |
a2840c35 | 785 | |
f3b1572e | 786 | if (!running_result_record_printed && mi_proceeded) |
a2840c35 VP |
787 | { |
788 | running_result_record_printed = 1; | |
789 | /* This is what gdb used to do historically -- printing prompt even if | |
790 | it cannot actually accept any input. This will be surely removed | |
791 | for MI3, and may be removed even earler. */ | |
792 | /* FIXME: review the use of target_is_async_p here -- is that | |
793 | what we want? */ | |
794 | if (!target_is_async_p ()) | |
795 | fputs_unfiltered ("(gdb) \n", raw_stdout); | |
796 | } | |
c1828f25 | 797 | gdb_flush (raw_stdout); |
e1ac3328 VP |
798 | } |
799 | ||
c86cf029 VP |
800 | static void |
801 | mi_solib_loaded (struct so_list *solib) | |
802 | { | |
803 | struct mi_interp *mi = top_level_interpreter_data (); | |
102040f0 | 804 | |
c86cf029 | 805 | target_terminal_ours (); |
f5656ead | 806 | if (gdbarch_has_global_solist (target_gdbarch ())) |
a79b8f6e VP |
807 | fprintf_unfiltered (mi->event_channel, |
808 | "library-loaded,id=\"%s\",target-name=\"%s\"," | |
809 | "host-name=\"%s\",symbols-loaded=\"%d\"", | |
810 | solib->so_original_name, solib->so_original_name, | |
811 | solib->so_name, solib->symbols_loaded); | |
812 | else | |
813 | fprintf_unfiltered (mi->event_channel, | |
814 | "library-loaded,id=\"%s\",target-name=\"%s\"," | |
815 | "host-name=\"%s\",symbols-loaded=\"%d\"," | |
816 | "thread-group=\"i%d\"", | |
817 | solib->so_original_name, solib->so_original_name, | |
818 | solib->so_name, solib->symbols_loaded, | |
819 | current_inferior ()->num); | |
820 | ||
c86cf029 VP |
821 | gdb_flush (mi->event_channel); |
822 | } | |
823 | ||
824 | static void | |
825 | mi_solib_unloaded (struct so_list *solib) | |
826 | { | |
827 | struct mi_interp *mi = top_level_interpreter_data (); | |
102040f0 | 828 | |
c86cf029 | 829 | target_terminal_ours (); |
f5656ead | 830 | if (gdbarch_has_global_solist (target_gdbarch ())) |
a79b8f6e VP |
831 | fprintf_unfiltered (mi->event_channel, |
832 | "library-unloaded,id=\"%s\",target-name=\"%s\"," | |
833 | "host-name=\"%s\"", | |
834 | solib->so_original_name, solib->so_original_name, | |
835 | solib->so_name); | |
836 | else | |
837 | fprintf_unfiltered (mi->event_channel, | |
838 | "library-unloaded,id=\"%s\",target-name=\"%s\"," | |
839 | "host-name=\"%s\",thread-group=\"i%d\"", | |
840 | solib->so_original_name, solib->so_original_name, | |
841 | solib->so_name, current_inferior ()->num); | |
842 | ||
c86cf029 VP |
843 | gdb_flush (mi->event_channel); |
844 | } | |
845 | ||
5b9afe8a YQ |
846 | /* Emit notification about the command parameter change. */ |
847 | ||
848 | static void | |
849 | mi_command_param_changed (const char *param, const char *value) | |
850 | { | |
851 | struct mi_interp *mi = top_level_interpreter_data (); | |
852 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); | |
853 | ||
854 | if (mi_suppress_notification.cmd_param_changed) | |
855 | return; | |
856 | ||
857 | target_terminal_ours (); | |
858 | ||
859 | fprintf_unfiltered (mi->event_channel, | |
860 | "cmd-param-changed"); | |
861 | ||
862 | ui_out_redirect (mi_uiout, mi->event_channel); | |
863 | ||
864 | ui_out_field_string (mi_uiout, "param", param); | |
865 | ui_out_field_string (mi_uiout, "value", value); | |
866 | ||
867 | ui_out_redirect (mi_uiout, NULL); | |
868 | ||
869 | gdb_flush (mi->event_channel); | |
870 | } | |
871 | ||
8de0566d YQ |
872 | /* Emit notification about the target memory change. */ |
873 | ||
874 | static void | |
875 | mi_memory_changed (struct inferior *inferior, CORE_ADDR memaddr, | |
876 | ssize_t len, const bfd_byte *myaddr) | |
877 | { | |
878 | struct mi_interp *mi = top_level_interpreter_data (); | |
879 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); | |
880 | struct obj_section *sec; | |
881 | ||
882 | if (mi_suppress_notification.memory) | |
883 | return; | |
884 | ||
885 | target_terminal_ours (); | |
886 | ||
887 | fprintf_unfiltered (mi->event_channel, | |
888 | "memory-changed"); | |
889 | ||
890 | ui_out_redirect (mi_uiout, mi->event_channel); | |
891 | ||
892 | ui_out_field_fmt (mi_uiout, "thread-group", "i%d", inferior->num); | |
f5656ead | 893 | ui_out_field_core_addr (mi_uiout, "addr", target_gdbarch (), memaddr); |
8de0566d YQ |
894 | ui_out_field_fmt (mi_uiout, "len", "0x%zx", len); |
895 | ||
896 | /* Append 'type=code' into notification if MEMADDR falls in the range of | |
897 | sections contain code. */ | |
898 | sec = find_pc_section (memaddr); | |
899 | if (sec != NULL && sec->objfile != NULL) | |
900 | { | |
901 | flagword flags = bfd_get_section_flags (sec->objfile->obfd, | |
902 | sec->the_bfd_section); | |
903 | ||
904 | if (flags & SEC_CODE) | |
905 | ui_out_field_string (mi_uiout, "type", "code"); | |
906 | } | |
907 | ||
908 | ui_out_redirect (mi_uiout, NULL); | |
909 | ||
910 | gdb_flush (mi->event_channel); | |
911 | } | |
912 | ||
a79b8f6e VP |
913 | static int |
914 | report_initial_inferior (struct inferior *inf, void *closure) | |
915 | { | |
916 | /* This function is called from mi_intepreter_init, and since | |
917 | mi_inferior_added assumes that inferior is fully initialized | |
918 | and top_level_interpreter_data is set, we cannot call | |
919 | it here. */ | |
920 | struct mi_interp *mi = closure; | |
102040f0 | 921 | |
a79b8f6e VP |
922 | target_terminal_ours (); |
923 | fprintf_unfiltered (mi->event_channel, | |
924 | "thread-group-added,id=\"i%d\"", | |
925 | inf->num); | |
926 | gdb_flush (mi->event_channel); | |
927 | return 0; | |
928 | } | |
c86cf029 | 929 | |
4801a9a3 PA |
930 | static struct ui_out * |
931 | mi_ui_out (struct interp *interp) | |
932 | { | |
933 | struct mi_interp *mi = interp_data (interp); | |
934 | ||
935 | return mi->uiout; | |
936 | } | |
937 | ||
37ce89eb SS |
938 | /* Save the original value of raw_stdout here when logging, so we can |
939 | restore correctly when done. */ | |
940 | ||
941 | static struct ui_file *saved_raw_stdout; | |
942 | ||
943 | /* Do MI-specific logging actions; save raw_stdout, and change all | |
944 | the consoles to use the supplied ui-file(s). */ | |
945 | ||
946 | static int | |
947 | mi_set_logging (struct interp *interp, int start_log, | |
948 | struct ui_file *out, struct ui_file *logfile) | |
949 | { | |
950 | struct mi_interp *mi = interp_data (interp); | |
951 | ||
952 | if (!mi) | |
953 | return 0; | |
954 | ||
955 | if (start_log) | |
956 | { | |
957 | /* The tee created already is based on gdb_stdout, which for MI | |
958 | is a console and so we end up in an infinite loop of console | |
959 | writing to ui_file writing to console etc. So discard the | |
960 | existing tee (it hasn't been used yet, and MI won't ever use | |
961 | it), and create one based on raw_stdout instead. */ | |
962 | if (logfile) | |
963 | { | |
964 | ui_file_delete (out); | |
965 | out = tee_file_new (raw_stdout, 0, logfile, 0); | |
966 | } | |
967 | ||
968 | saved_raw_stdout = raw_stdout; | |
969 | raw_stdout = out; | |
970 | } | |
971 | else | |
972 | { | |
973 | raw_stdout = saved_raw_stdout; | |
974 | saved_raw_stdout = NULL; | |
975 | } | |
976 | ||
977 | mi_console_set_raw (mi->out, raw_stdout); | |
978 | mi_console_set_raw (mi->err, raw_stdout); | |
979 | mi_console_set_raw (mi->log, raw_stdout); | |
980 | mi_console_set_raw (mi->targ, raw_stdout); | |
981 | mi_console_set_raw (mi->event_channel, raw_stdout); | |
982 | ||
983 | return 1; | |
984 | } | |
985 | ||
b9362cc7 AC |
986 | extern initialize_file_ftype _initialize_mi_interp; /* -Wmissing-prototypes */ |
987 | ||
4a8f6654 AC |
988 | void |
989 | _initialize_mi_interp (void) | |
990 | { | |
991 | static const struct interp_procs procs = | |
2b03b41d SS |
992 | { |
993 | mi_interpreter_init, /* init_proc */ | |
994 | mi_interpreter_resume, /* resume_proc */ | |
995 | mi_interpreter_suspend, /* suspend_proc */ | |
996 | mi_interpreter_exec, /* exec_proc */ | |
997 | mi_interpreter_prompt_p, /* prompt_proc_p */ | |
37ce89eb SS |
998 | mi_ui_out, /* ui_out_proc */ |
999 | mi_set_logging /* set_logging_proc */ | |
2b03b41d | 1000 | }; |
4a8f6654 | 1001 | |
2fcf52f0 | 1002 | /* The various interpreter levels. */ |
4801a9a3 PA |
1003 | interp_add (interp_new (INTERP_MI1, &procs)); |
1004 | interp_add (interp_new (INTERP_MI2, &procs)); | |
1005 | interp_add (interp_new (INTERP_MI3, &procs)); | |
1006 | interp_add (interp_new (INTERP_MI, &procs)); | |
4a8f6654 | 1007 | } |