Commit | Line | Data |
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4a8f6654 AC |
1 | /* MI Interpreter Definitions and Commands for GDB, the GNU debugger. |
2 | ||
0b302171 | 3 | Copyright (C) 2002-2005, 2007-2012 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" |
4a8f6654 | 38 | |
2b03b41d SS |
39 | /* These are the interpreter setup, etc. functions for the MI |
40 | interpreter. */ | |
41 | ||
4a8f6654 | 42 | static void mi_execute_command_wrapper (char *cmd); |
e837f12a | 43 | static void mi_execute_command_input_handler (char *cmd); |
4a8f6654 | 44 | static void mi_command_loop (int mi_version); |
4a8f6654 AC |
45 | |
46 | /* These are hooks that we put in place while doing interpreter_exec | |
2b03b41d SS |
47 | so we can report interesting things that happened "behind the MI's |
48 | back" in this command. */ | |
49 | ||
bee0189a | 50 | static int mi_interp_query_hook (const char *ctlstr, va_list ap) |
2b03b41d | 51 | ATTRIBUTE_PRINTF (1, 0); |
4a8f6654 | 52 | |
f786f615 | 53 | static void mi3_command_loop (void); |
4a8f6654 AC |
54 | static void mi2_command_loop (void); |
55 | static void mi1_command_loop (void); | |
56 | ||
57 | static void mi_insert_notify_hooks (void); | |
58 | static void mi_remove_notify_hooks (void); | |
1d33d6ba | 59 | static void mi_on_normal_stop (struct bpstats *bs, int print_frame); |
4a8f6654 | 60 | |
683f2885 | 61 | static void mi_new_thread (struct thread_info *t); |
a07daef3 | 62 | static void mi_thread_exit (struct thread_info *t, int silent); |
a79b8f6e VP |
63 | static void mi_inferior_added (struct inferior *inf); |
64 | static void mi_inferior_appeared (struct inferior *inf); | |
65 | static void mi_inferior_exit (struct inferior *inf); | |
66 | static void mi_inferior_removed (struct inferior *inf); | |
e1ac3328 | 67 | static void mi_on_resume (ptid_t ptid); |
c86cf029 VP |
68 | static void mi_solib_loaded (struct so_list *solib); |
69 | static void mi_solib_unloaded (struct so_list *solib); | |
f3b1572e | 70 | static void mi_about_to_proceed (void); |
8d3788bd VP |
71 | static void mi_breakpoint_created (struct breakpoint *b); |
72 | static void mi_breakpoint_deleted (struct breakpoint *b); | |
73 | static void mi_breakpoint_modified (struct breakpoint *b); | |
683f2885 | 74 | |
a79b8f6e VP |
75 | static int report_initial_inferior (struct inferior *inf, void *closure); |
76 | ||
4a8f6654 | 77 | static void * |
4801a9a3 | 78 | mi_interpreter_init (struct interp *interp, int top_level) |
4a8f6654 AC |
79 | { |
80 | struct mi_interp *mi = XMALLOC (struct mi_interp); | |
4801a9a3 PA |
81 | const char *name; |
82 | int mi_version; | |
4a8f6654 | 83 | |
bf6309af SS |
84 | /* Assign the output channel created at startup to its own global, |
85 | so that we can create a console channel that encapsulates and | |
86 | prefixes all gdb_output-type bits coming from the rest of the | |
87 | debugger. */ | |
4a8f6654 | 88 | |
bf6309af | 89 | raw_stdout = gdb_stdout; |
4a8f6654 | 90 | |
2b03b41d SS |
91 | /* Create MI console channels, each with a different prefix so they |
92 | can be distinguished. */ | |
4a8f6654 AC |
93 | mi->out = mi_console_file_new (raw_stdout, "~", '"'); |
94 | mi->err = mi_console_file_new (raw_stdout, "&", '"'); | |
95 | mi->log = mi->err; | |
96 | mi->targ = mi_console_file_new (raw_stdout, "@", '"'); | |
97 | mi->event_channel = mi_console_file_new (raw_stdout, "=", 0); | |
98 | ||
4801a9a3 PA |
99 | name = interp_name (interp); |
100 | /* INTERP_MI selects the most recent released version. "mi2" was | |
101 | released as part of GDB 6.0. */ | |
102 | if (strcmp (name, INTERP_MI) == 0) | |
103 | mi_version = 2; | |
104 | else if (strcmp (name, INTERP_MI1) == 0) | |
105 | mi_version = 1; | |
106 | else if (strcmp (name, INTERP_MI2) == 0) | |
107 | mi_version = 2; | |
108 | else if (strcmp (name, INTERP_MI3) == 0) | |
109 | mi_version = 3; | |
110 | else | |
111 | gdb_assert_not_reached ("unhandled MI version"); | |
112 | ||
113 | mi->uiout = mi_out_new (mi_version); | |
114 | ||
683f2885 | 115 | if (top_level) |
063bfe2e VP |
116 | { |
117 | observer_attach_new_thread (mi_new_thread); | |
118 | observer_attach_thread_exit (mi_thread_exit); | |
a79b8f6e | 119 | observer_attach_inferior_added (mi_inferior_added); |
6c95b8df | 120 | observer_attach_inferior_appeared (mi_inferior_appeared); |
4a92f99b | 121 | observer_attach_inferior_exit (mi_inferior_exit); |
a79b8f6e | 122 | observer_attach_inferior_removed (mi_inferior_removed); |
f7f9a841 | 123 | observer_attach_normal_stop (mi_on_normal_stop); |
e1ac3328 | 124 | observer_attach_target_resumed (mi_on_resume); |
c86cf029 VP |
125 | observer_attach_solib_loaded (mi_solib_loaded); |
126 | observer_attach_solib_unloaded (mi_solib_unloaded); | |
f3b1572e | 127 | observer_attach_about_to_proceed (mi_about_to_proceed); |
8d3788bd VP |
128 | observer_attach_breakpoint_created (mi_breakpoint_created); |
129 | observer_attach_breakpoint_deleted (mi_breakpoint_deleted); | |
130 | observer_attach_breakpoint_modified (mi_breakpoint_modified); | |
a79b8f6e | 131 | |
2b03b41d SS |
132 | /* The initial inferior is created before this function is |
133 | called, so we need to report it explicitly. Use iteration in | |
134 | case future version of GDB creates more than one inferior | |
135 | up-front. */ | |
a79b8f6e | 136 | iterate_over_inferiors (report_initial_inferior, mi); |
063bfe2e | 137 | } |
683f2885 | 138 | |
4a8f6654 AC |
139 | return mi; |
140 | } | |
141 | ||
142 | static int | |
143 | mi_interpreter_resume (void *data) | |
144 | { | |
145 | struct mi_interp *mi = data; | |
4a8f6654 | 146 | |
2b03b41d SS |
147 | /* As per hack note in mi_interpreter_init, swap in the output |
148 | channels... */ | |
4a8f6654 AC |
149 | gdb_setup_readline (); |
150 | ||
362646f5 AC |
151 | /* These overwrite some of the initialization done in |
152 | _intialize_event_loop. */ | |
153 | call_readline = gdb_readline2; | |
e837f12a | 154 | input_handler = mi_execute_command_input_handler; |
362646f5 AC |
155 | add_file_handler (input_fd, stdin_event_handler, 0); |
156 | async_command_editing_p = 0; | |
157 | /* FIXME: This is a total hack for now. PB's use of the MI | |
158 | implicitly relies on a bug in the async support which allows | |
159 | asynchronous commands to leak through the commmand loop. The bug | |
160 | involves (but is not limited to) the fact that sync_execution was | |
161 | erroneously initialized to 0. Duplicate by initializing it thus | |
162 | here... */ | |
163 | sync_execution = 0; | |
4a8f6654 AC |
164 | |
165 | gdb_stdout = mi->out; | |
2b03b41d | 166 | /* Route error and log output through the MI. */ |
4a8f6654 AC |
167 | gdb_stderr = mi->err; |
168 | gdb_stdlog = mi->log; | |
2b03b41d | 169 | /* Route target output through the MI. */ |
4a8f6654 | 170 | gdb_stdtarg = mi->targ; |
2b03b41d | 171 | /* Route target error through the MI as well. */ |
1f20321b | 172 | gdb_stdtargerr = mi->targ; |
4a8f6654 AC |
173 | |
174 | /* Replace all the hooks that we know about. There really needs to | |
175 | be a better way of doing this... */ | |
176 | clear_interpreter_hooks (); | |
177 | ||
9a4105ab | 178 | deprecated_show_load_progress = mi_load_progress; |
4a8f6654 | 179 | |
2b03b41d | 180 | /* If we're _the_ interpreter, take control. */ |
4a8f6654 | 181 | if (current_interp_named_p (INTERP_MI1)) |
9a4105ab | 182 | deprecated_command_loop_hook = mi1_command_loop; |
f786f615 | 183 | else if (current_interp_named_p (INTERP_MI2)) |
9a4105ab | 184 | deprecated_command_loop_hook = mi2_command_loop; |
f786f615 | 185 | else if (current_interp_named_p (INTERP_MI3)) |
9a4105ab | 186 | deprecated_command_loop_hook = mi3_command_loop; |
4a8f6654 | 187 | else |
9a4105ab | 188 | deprecated_command_loop_hook = mi2_command_loop; |
4a8f6654 AC |
189 | |
190 | return 1; | |
191 | } | |
192 | ||
193 | static int | |
194 | mi_interpreter_suspend (void *data) | |
195 | { | |
196 | gdb_disable_readline (); | |
197 | return 1; | |
198 | } | |
199 | ||
71fff37b | 200 | static struct gdb_exception |
4a8f6654 AC |
201 | mi_interpreter_exec (void *data, const char *command) |
202 | { | |
203 | char *tmp = alloca (strlen (command) + 1); | |
102040f0 | 204 | |
4a8f6654 AC |
205 | strcpy (tmp, command); |
206 | mi_execute_command_wrapper (tmp); | |
c1043fc2 | 207 | return exception_none; |
4a8f6654 AC |
208 | } |
209 | ||
2b03b41d SS |
210 | /* Never display the default GDB prompt in MI case. */ |
211 | ||
4a8f6654 AC |
212 | static int |
213 | mi_interpreter_prompt_p (void *data) | |
214 | { | |
215 | return 0; | |
216 | } | |
217 | ||
ce8f13f8 | 218 | void |
4a8f6654 AC |
219 | mi_cmd_interpreter_exec (char *command, char **argv, int argc) |
220 | { | |
221 | struct interp *interp_to_use; | |
4a8f6654 | 222 | int i; |
a13e061a PA |
223 | char *mi_error_message = NULL; |
224 | struct cleanup *old_chain; | |
4a8f6654 AC |
225 | |
226 | if (argc < 2) | |
1b05df00 | 227 | error (_("-interpreter-exec: " |
9b20d036 | 228 | "Usage: -interpreter-exec interp command")); |
4a8f6654 AC |
229 | |
230 | interp_to_use = interp_lookup (argv[0]); | |
231 | if (interp_to_use == NULL) | |
1b05df00 | 232 | error (_("-interpreter-exec: could not find interpreter \"%s\""), |
9a2b4c1b | 233 | argv[0]); |
4a8f6654 AC |
234 | |
235 | if (!interp_exec_p (interp_to_use)) | |
1b05df00 | 236 | error (_("-interpreter-exec: interpreter \"%s\" " |
9b20d036 | 237 | "does not support command execution"), |
a13e061a | 238 | argv[0]); |
4a8f6654 | 239 | |
2b03b41d SS |
240 | /* Insert the MI out hooks, making sure to also call the |
241 | interpreter's hooks if it has any. */ | |
242 | /* KRS: We shouldn't need this... Events should be installed and | |
243 | they should just ALWAYS fire something out down the MI | |
244 | channel. */ | |
4a8f6654 AC |
245 | mi_insert_notify_hooks (); |
246 | ||
2b03b41d | 247 | /* Now run the code. */ |
4a8f6654 | 248 | |
a13e061a | 249 | old_chain = make_cleanup (null_cleanup, 0); |
4a8f6654 AC |
250 | for (i = 1; i < argc; i++) |
251 | { | |
32c1e744 | 252 | struct gdb_exception e = interp_exec (interp_to_use, argv[i]); |
102040f0 | 253 | |
32c1e744 VP |
254 | if (e.reason < 0) |
255 | { | |
256 | mi_error_message = xstrdup (e.message); | |
a13e061a | 257 | make_cleanup (xfree, mi_error_message); |
32c1e744 VP |
258 | break; |
259 | } | |
4a8f6654 AC |
260 | } |
261 | ||
262 | mi_remove_notify_hooks (); | |
263 | ||
a13e061a PA |
264 | if (mi_error_message != NULL) |
265 | error ("%s", mi_error_message); | |
266 | do_cleanups (old_chain); | |
4a8f6654 AC |
267 | } |
268 | ||
2b03b41d SS |
269 | /* This inserts a number of hooks that are meant to produce |
270 | async-notify ("=") MI messages while running commands in another | |
271 | interpreter using mi_interpreter_exec. The canonical use for this | |
272 | is to allow access to the gdb CLI interpreter from within the MI, | |
273 | while still producing MI style output when actions in the CLI | |
274 | command change GDB's state. */ | |
4a8f6654 AC |
275 | |
276 | static void | |
277 | mi_insert_notify_hooks (void) | |
278 | { | |
9a4105ab | 279 | deprecated_query_hook = mi_interp_query_hook; |
4a8f6654 AC |
280 | } |
281 | ||
282 | static void | |
11308a41 | 283 | mi_remove_notify_hooks (void) |
4a8f6654 | 284 | { |
9a4105ab | 285 | deprecated_query_hook = NULL; |
4a8f6654 AC |
286 | } |
287 | ||
288 | static int | |
289 | mi_interp_query_hook (const char *ctlstr, va_list ap) | |
290 | { | |
291 | return 1; | |
292 | } | |
293 | ||
4a8f6654 AC |
294 | static void |
295 | mi_execute_command_wrapper (char *cmd) | |
296 | { | |
297 | mi_execute_command (cmd, stdin == instream); | |
298 | } | |
299 | ||
e837f12a JK |
300 | /* mi_execute_command_wrapper wrapper suitable for INPUT_HANDLER. */ |
301 | ||
302 | static void | |
303 | mi_execute_command_input_handler (char *cmd) | |
304 | { | |
305 | mi_execute_command_wrapper (cmd); | |
306 | ||
307 | fputs_unfiltered ("(gdb) \n", raw_stdout); | |
308 | gdb_flush (raw_stdout); | |
309 | } | |
310 | ||
4a8f6654 AC |
311 | static void |
312 | mi1_command_loop (void) | |
313 | { | |
314 | mi_command_loop (1); | |
315 | } | |
316 | ||
317 | static void | |
318 | mi2_command_loop (void) | |
319 | { | |
320 | mi_command_loop (2); | |
321 | } | |
322 | ||
f786f615 AC |
323 | static void |
324 | mi3_command_loop (void) | |
325 | { | |
326 | mi_command_loop (3); | |
327 | } | |
328 | ||
4a8f6654 AC |
329 | static void |
330 | mi_command_loop (int mi_version) | |
331 | { | |
4a8f6654 | 332 | /* Turn off 8 bit strings in quoted output. Any character with the |
2b03b41d | 333 | high bit set is printed using C's octal format. */ |
4a8f6654 | 334 | sevenbit_strings = 1; |
2b03b41d SS |
335 | |
336 | /* Tell the world that we're alive. */ | |
4a8f6654 AC |
337 | fputs_unfiltered ("(gdb) \n", raw_stdout); |
338 | gdb_flush (raw_stdout); | |
2b03b41d | 339 | |
362646f5 | 340 | start_event_loop (); |
4a8f6654 AC |
341 | } |
342 | ||
683f2885 VP |
343 | static void |
344 | mi_new_thread (struct thread_info *t) | |
345 | { | |
346 | struct mi_interp *mi = top_level_interpreter_data (); | |
a79b8f6e VP |
347 | struct inferior *inf = find_inferior_pid (ptid_get_pid (t->ptid)); |
348 | ||
349 | gdb_assert (inf); | |
683f2885 | 350 | |
3d043ef6 | 351 | fprintf_unfiltered (mi->event_channel, |
a79b8f6e VP |
352 | "thread-created,id=\"%d\",group-id=\"i%d\"", |
353 | t->num, inf->num); | |
683f2885 VP |
354 | gdb_flush (mi->event_channel); |
355 | } | |
356 | ||
063bfe2e | 357 | static void |
a07daef3 | 358 | mi_thread_exit (struct thread_info *t, int silent) |
063bfe2e | 359 | { |
a07daef3 | 360 | struct mi_interp *mi; |
a79b8f6e | 361 | struct inferior *inf; |
a07daef3 PA |
362 | |
363 | if (silent) | |
364 | return; | |
365 | ||
a79b8f6e VP |
366 | inf = find_inferior_pid (ptid_get_pid (t->ptid)); |
367 | ||
a07daef3 | 368 | mi = top_level_interpreter_data (); |
063bfe2e | 369 | target_terminal_ours (); |
3d043ef6 | 370 | fprintf_unfiltered (mi->event_channel, |
a79b8f6e VP |
371 | "thread-exited,id=\"%d\",group-id=\"i%d\"", |
372 | t->num, inf->num); | |
063bfe2e VP |
373 | gdb_flush (mi->event_channel); |
374 | } | |
375 | ||
a79b8f6e VP |
376 | static void |
377 | mi_inferior_added (struct inferior *inf) | |
378 | { | |
379 | struct mi_interp *mi = top_level_interpreter_data (); | |
102040f0 | 380 | |
a79b8f6e VP |
381 | target_terminal_ours (); |
382 | fprintf_unfiltered (mi->event_channel, | |
383 | "thread-group-added,id=\"i%d\"", | |
384 | inf->num); | |
385 | gdb_flush (mi->event_channel); | |
386 | } | |
387 | ||
388 | static void | |
389 | mi_inferior_appeared (struct inferior *inf) | |
4a92f99b VP |
390 | { |
391 | struct mi_interp *mi = top_level_interpreter_data (); | |
102040f0 | 392 | |
4a92f99b | 393 | target_terminal_ours (); |
a79b8f6e VP |
394 | fprintf_unfiltered (mi->event_channel, |
395 | "thread-group-started,id=\"i%d\",pid=\"%d\"", | |
396 | inf->num, inf->pid); | |
4a92f99b VP |
397 | gdb_flush (mi->event_channel); |
398 | } | |
399 | ||
400 | static void | |
a79b8f6e | 401 | mi_inferior_exit (struct inferior *inf) |
4a92f99b VP |
402 | { |
403 | struct mi_interp *mi = top_level_interpreter_data (); | |
102040f0 | 404 | |
4a92f99b | 405 | target_terminal_ours (); |
8cf64490 TT |
406 | if (inf->has_exit_code) |
407 | fprintf_unfiltered (mi->event_channel, | |
408 | "thread-group-exited,id=\"i%d\",exit-code=\"%s\"", | |
409 | inf->num, int_string (inf->exit_code, 8, 0, 0, 1)); | |
410 | else | |
411 | fprintf_unfiltered (mi->event_channel, | |
412 | "thread-group-exited,id=\"i%d\"", inf->num); | |
413 | ||
4a92f99b VP |
414 | gdb_flush (mi->event_channel); |
415 | } | |
416 | ||
a79b8f6e VP |
417 | static void |
418 | mi_inferior_removed (struct inferior *inf) | |
419 | { | |
420 | struct mi_interp *mi = top_level_interpreter_data (); | |
102040f0 | 421 | |
a79b8f6e VP |
422 | target_terminal_ours (); |
423 | fprintf_unfiltered (mi->event_channel, | |
424 | "thread-group-removed,id=\"i%d\"", | |
425 | inf->num); | |
426 | gdb_flush (mi->event_channel); | |
427 | } | |
428 | ||
f7f9a841 | 429 | static void |
1d33d6ba | 430 | mi_on_normal_stop (struct bpstats *bs, int print_frame) |
f7f9a841 VP |
431 | { |
432 | /* Since this can be called when CLI command is executing, | |
433 | using cli interpreter, be sure to use MI uiout for output, | |
434 | not the current one. */ | |
1d33d6ba | 435 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); |
f7f9a841 | 436 | |
1d33d6ba VP |
437 | if (print_frame) |
438 | { | |
dc146f7c | 439 | int core; |
102040f0 | 440 | |
79a45e25 | 441 | if (current_uiout != mi_uiout) |
1d33d6ba | 442 | { |
2b03b41d SS |
443 | /* The normal_stop function has printed frame information |
444 | into CLI uiout, or some other non-MI uiout. There's no | |
445 | way we can extract proper fields from random uiout | |
446 | object, so we print the frame again. In practice, this | |
447 | can only happen when running a CLI command in MI. */ | |
79a45e25 | 448 | struct ui_out *saved_uiout = current_uiout; |
36dfb11c TT |
449 | struct target_waitstatus last; |
450 | ptid_t last_ptid; | |
102040f0 | 451 | |
79a45e25 | 452 | current_uiout = mi_uiout; |
36dfb11c TT |
453 | |
454 | get_last_target_status (&last_ptid, &last); | |
455 | bpstat_print (bs, last.kind); | |
456 | ||
1d33d6ba | 457 | print_stack_frame (get_selected_frame (NULL), 0, SRC_AND_LOC); |
79a45e25 | 458 | current_uiout = saved_uiout; |
1d33d6ba VP |
459 | } |
460 | ||
461 | ui_out_field_int (mi_uiout, "thread-id", | |
462 | pid_to_thread_id (inferior_ptid)); | |
463 | if (non_stop) | |
464 | { | |
465 | struct cleanup *back_to = make_cleanup_ui_out_list_begin_end | |
466 | (mi_uiout, "stopped-threads"); | |
102040f0 | 467 | |
1d33d6ba | 468 | ui_out_field_int (mi_uiout, NULL, |
102040f0 | 469 | pid_to_thread_id (inferior_ptid)); |
1d33d6ba VP |
470 | do_cleanups (back_to); |
471 | } | |
472 | else | |
473 | ui_out_field_string (mi_uiout, "stopped-threads", "all"); | |
dc146f7c VP |
474 | |
475 | core = target_core_of_thread (inferior_ptid); | |
476 | if (core != -1) | |
477 | ui_out_field_int (mi_uiout, "core", core); | |
1d33d6ba VP |
478 | } |
479 | ||
f7f9a841 | 480 | fputs_unfiltered ("*stopped", raw_stdout); |
1d33d6ba VP |
481 | mi_out_put (mi_uiout, raw_stdout); |
482 | mi_out_rewind (mi_uiout); | |
4333ada3 | 483 | mi_print_timing_maybe (); |
f7f9a841 VP |
484 | fputs_unfiltered ("\n", raw_stdout); |
485 | gdb_flush (raw_stdout); | |
486 | } | |
487 | ||
f3b1572e PA |
488 | static void |
489 | mi_about_to_proceed (void) | |
490 | { | |
491 | /* Suppress output while calling an inferior function. */ | |
492 | ||
493 | if (!ptid_equal (inferior_ptid, null_ptid)) | |
494 | { | |
495 | struct thread_info *tp = inferior_thread (); | |
102040f0 | 496 | |
16c381f0 | 497 | if (tp->control.in_infcall) |
f3b1572e PA |
498 | return; |
499 | } | |
500 | ||
501 | mi_proceeded = 1; | |
502 | } | |
503 | ||
8d3788bd VP |
504 | /* When non-zero, no MI notifications will be emitted in |
505 | response to breakpoint change observers. */ | |
2b03b41d | 506 | |
8d3788bd VP |
507 | int mi_suppress_breakpoint_notifications = 0; |
508 | ||
509 | /* Emit notification about a created breakpoint. */ | |
2b03b41d | 510 | |
8d3788bd VP |
511 | static void |
512 | mi_breakpoint_created (struct breakpoint *b) | |
513 | { | |
514 | struct mi_interp *mi = top_level_interpreter_data (); | |
515 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); | |
bfd189b1 | 516 | volatile struct gdb_exception e; |
8d3788bd VP |
517 | |
518 | if (mi_suppress_breakpoint_notifications) | |
519 | return; | |
520 | ||
521 | if (b->number <= 0) | |
522 | return; | |
523 | ||
524 | target_terminal_ours (); | |
525 | fprintf_unfiltered (mi->event_channel, | |
526 | "breakpoint-created"); | |
527 | /* We want the output from gdb_breakpoint_query to go to | |
2b03b41d SS |
528 | mi->event_channel. One approach would be to just call |
529 | gdb_breakpoint_query, and then use mi_out_put to send the current | |
530 | content of mi_outout into mi->event_channel. However, that will | |
531 | break if anything is output to mi_uiout prior to calling the | |
532 | breakpoint_created notifications. So, we use | |
533 | ui_out_redirect. */ | |
8d3788bd VP |
534 | ui_out_redirect (mi_uiout, mi->event_channel); |
535 | TRY_CATCH (e, RETURN_MASK_ERROR) | |
536 | gdb_breakpoint_query (mi_uiout, b->number, NULL); | |
537 | ui_out_redirect (mi_uiout, NULL); | |
538 | ||
539 | gdb_flush (mi->event_channel); | |
540 | } | |
541 | ||
542 | /* Emit notification about deleted breakpoint. */ | |
2b03b41d | 543 | |
8d3788bd VP |
544 | static void |
545 | mi_breakpoint_deleted (struct breakpoint *b) | |
546 | { | |
547 | struct mi_interp *mi = top_level_interpreter_data (); | |
548 | ||
549 | if (mi_suppress_breakpoint_notifications) | |
550 | return; | |
551 | ||
552 | if (b->number <= 0) | |
553 | return; | |
554 | ||
555 | target_terminal_ours (); | |
556 | ||
557 | fprintf_unfiltered (mi->event_channel, "breakpoint-deleted,id=\"%d\"", | |
558 | b->number); | |
559 | ||
560 | gdb_flush (mi->event_channel); | |
561 | } | |
562 | ||
563 | /* Emit notification about modified breakpoint. */ | |
2b03b41d | 564 | |
8d3788bd VP |
565 | static void |
566 | mi_breakpoint_modified (struct breakpoint *b) | |
567 | { | |
568 | struct mi_interp *mi = top_level_interpreter_data (); | |
569 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); | |
bfd189b1 | 570 | volatile struct gdb_exception e; |
8d3788bd VP |
571 | |
572 | if (mi_suppress_breakpoint_notifications) | |
573 | return; | |
574 | ||
575 | if (b->number <= 0) | |
576 | return; | |
577 | ||
578 | target_terminal_ours (); | |
579 | fprintf_unfiltered (mi->event_channel, | |
580 | "breakpoint-modified"); | |
581 | /* We want the output from gdb_breakpoint_query to go to | |
2b03b41d SS |
582 | mi->event_channel. One approach would be to just call |
583 | gdb_breakpoint_query, and then use mi_out_put to send the current | |
584 | content of mi_outout into mi->event_channel. However, that will | |
585 | break if anything is output to mi_uiout prior to calling the | |
586 | breakpoint_created notifications. So, we use | |
587 | ui_out_redirect. */ | |
8d3788bd VP |
588 | ui_out_redirect (mi_uiout, mi->event_channel); |
589 | TRY_CATCH (e, RETURN_MASK_ERROR) | |
590 | gdb_breakpoint_query (mi_uiout, b->number, NULL); | |
591 | ui_out_redirect (mi_uiout, NULL); | |
592 | ||
593 | gdb_flush (mi->event_channel); | |
594 | } | |
595 | ||
d90e17a7 PA |
596 | static int |
597 | mi_output_running_pid (struct thread_info *info, void *arg) | |
598 | { | |
599 | ptid_t *ptid = arg; | |
600 | ||
601 | if (ptid_get_pid (*ptid) == ptid_get_pid (info->ptid)) | |
602 | fprintf_unfiltered (raw_stdout, | |
603 | "*running,thread-id=\"%d\"\n", | |
604 | info->num); | |
605 | ||
606 | return 0; | |
607 | } | |
608 | ||
609 | static int | |
610 | mi_inferior_count (struct inferior *inf, void *arg) | |
611 | { | |
612 | if (inf->pid != 0) | |
613 | { | |
614 | int *count_p = arg; | |
615 | (*count_p)++; | |
616 | } | |
617 | ||
618 | return 0; | |
619 | } | |
620 | ||
e1ac3328 VP |
621 | static void |
622 | mi_on_resume (ptid_t ptid) | |
623 | { | |
c5a4d20b PA |
624 | struct thread_info *tp = NULL; |
625 | ||
9944e9c2 | 626 | if (ptid_equal (ptid, minus_one_ptid) || ptid_is_pid (ptid)) |
c5a4d20b PA |
627 | tp = inferior_thread (); |
628 | else | |
e09875d4 | 629 | tp = find_thread_ptid (ptid); |
c5a4d20b PA |
630 | |
631 | /* Suppress output while calling an inferior function. */ | |
16c381f0 | 632 | if (tp->control.in_infcall) |
c5a4d20b PA |
633 | return; |
634 | ||
a2840c35 VP |
635 | /* To cater for older frontends, emit ^running, but do it only once |
636 | per each command. We do it here, since at this point we know | |
637 | that the target was successfully resumed, and in non-async mode, | |
638 | we won't return back to MI interpreter code until the target | |
639 | is done running, so delaying the output of "^running" until then | |
640 | will make it impossible for frontend to know what's going on. | |
641 | ||
642 | In future (MI3), we'll be outputting "^done" here. */ | |
f3b1572e | 643 | if (!running_result_record_printed && mi_proceeded) |
a2840c35 | 644 | { |
c271b6e2 VP |
645 | fprintf_unfiltered (raw_stdout, "%s^running\n", |
646 | current_token ? current_token : ""); | |
a2840c35 VP |
647 | } |
648 | ||
e1ac3328 VP |
649 | if (PIDGET (ptid) == -1) |
650 | fprintf_unfiltered (raw_stdout, "*running,thread-id=\"all\"\n"); | |
d90e17a7 | 651 | else if (ptid_is_pid (ptid)) |
bb599c81 | 652 | { |
ab730e72 | 653 | int count = 0; |
d90e17a7 PA |
654 | |
655 | /* Backwards compatibility. If there's only one inferior, | |
656 | output "all", otherwise, output each resumed thread | |
657 | individually. */ | |
658 | iterate_over_inferiors (mi_inferior_count, &count); | |
659 | ||
660 | if (count == 1) | |
661 | fprintf_unfiltered (raw_stdout, "*running,thread-id=\"all\"\n"); | |
662 | else | |
663 | iterate_over_threads (mi_output_running_pid, &ptid); | |
bb599c81 | 664 | } |
e1ac3328 VP |
665 | else |
666 | { | |
e09875d4 | 667 | struct thread_info *ti = find_thread_ptid (ptid); |
102040f0 | 668 | |
e1ac3328 VP |
669 | gdb_assert (ti); |
670 | fprintf_unfiltered (raw_stdout, "*running,thread-id=\"%d\"\n", ti->num); | |
671 | } | |
a2840c35 | 672 | |
f3b1572e | 673 | if (!running_result_record_printed && mi_proceeded) |
a2840c35 VP |
674 | { |
675 | running_result_record_printed = 1; | |
676 | /* This is what gdb used to do historically -- printing prompt even if | |
677 | it cannot actually accept any input. This will be surely removed | |
678 | for MI3, and may be removed even earler. */ | |
679 | /* FIXME: review the use of target_is_async_p here -- is that | |
680 | what we want? */ | |
681 | if (!target_is_async_p ()) | |
682 | fputs_unfiltered ("(gdb) \n", raw_stdout); | |
683 | } | |
c1828f25 | 684 | gdb_flush (raw_stdout); |
e1ac3328 VP |
685 | } |
686 | ||
c86cf029 VP |
687 | static void |
688 | mi_solib_loaded (struct so_list *solib) | |
689 | { | |
690 | struct mi_interp *mi = top_level_interpreter_data (); | |
102040f0 | 691 | |
c86cf029 | 692 | target_terminal_ours (); |
a79b8f6e VP |
693 | if (gdbarch_has_global_solist (target_gdbarch)) |
694 | fprintf_unfiltered (mi->event_channel, | |
695 | "library-loaded,id=\"%s\",target-name=\"%s\"," | |
696 | "host-name=\"%s\",symbols-loaded=\"%d\"", | |
697 | solib->so_original_name, solib->so_original_name, | |
698 | solib->so_name, solib->symbols_loaded); | |
699 | else | |
700 | fprintf_unfiltered (mi->event_channel, | |
701 | "library-loaded,id=\"%s\",target-name=\"%s\"," | |
702 | "host-name=\"%s\",symbols-loaded=\"%d\"," | |
703 | "thread-group=\"i%d\"", | |
704 | solib->so_original_name, solib->so_original_name, | |
705 | solib->so_name, solib->symbols_loaded, | |
706 | current_inferior ()->num); | |
707 | ||
c86cf029 VP |
708 | gdb_flush (mi->event_channel); |
709 | } | |
710 | ||
711 | static void | |
712 | mi_solib_unloaded (struct so_list *solib) | |
713 | { | |
714 | struct mi_interp *mi = top_level_interpreter_data (); | |
102040f0 | 715 | |
c86cf029 | 716 | target_terminal_ours (); |
a79b8f6e VP |
717 | if (gdbarch_has_global_solist (target_gdbarch)) |
718 | fprintf_unfiltered (mi->event_channel, | |
719 | "library-unloaded,id=\"%s\",target-name=\"%s\"," | |
720 | "host-name=\"%s\"", | |
721 | solib->so_original_name, solib->so_original_name, | |
722 | solib->so_name); | |
723 | else | |
724 | fprintf_unfiltered (mi->event_channel, | |
725 | "library-unloaded,id=\"%s\",target-name=\"%s\"," | |
726 | "host-name=\"%s\",thread-group=\"i%d\"", | |
727 | solib->so_original_name, solib->so_original_name, | |
728 | solib->so_name, current_inferior ()->num); | |
729 | ||
c86cf029 VP |
730 | gdb_flush (mi->event_channel); |
731 | } | |
732 | ||
a79b8f6e VP |
733 | static int |
734 | report_initial_inferior (struct inferior *inf, void *closure) | |
735 | { | |
736 | /* This function is called from mi_intepreter_init, and since | |
737 | mi_inferior_added assumes that inferior is fully initialized | |
738 | and top_level_interpreter_data is set, we cannot call | |
739 | it here. */ | |
740 | struct mi_interp *mi = closure; | |
102040f0 | 741 | |
a79b8f6e VP |
742 | target_terminal_ours (); |
743 | fprintf_unfiltered (mi->event_channel, | |
744 | "thread-group-added,id=\"i%d\"", | |
745 | inf->num); | |
746 | gdb_flush (mi->event_channel); | |
747 | return 0; | |
748 | } | |
c86cf029 | 749 | |
4801a9a3 PA |
750 | static struct ui_out * |
751 | mi_ui_out (struct interp *interp) | |
752 | { | |
753 | struct mi_interp *mi = interp_data (interp); | |
754 | ||
755 | return mi->uiout; | |
756 | } | |
757 | ||
37ce89eb SS |
758 | /* Save the original value of raw_stdout here when logging, so we can |
759 | restore correctly when done. */ | |
760 | ||
761 | static struct ui_file *saved_raw_stdout; | |
762 | ||
763 | /* Do MI-specific logging actions; save raw_stdout, and change all | |
764 | the consoles to use the supplied ui-file(s). */ | |
765 | ||
766 | static int | |
767 | mi_set_logging (struct interp *interp, int start_log, | |
768 | struct ui_file *out, struct ui_file *logfile) | |
769 | { | |
770 | struct mi_interp *mi = interp_data (interp); | |
771 | ||
772 | if (!mi) | |
773 | return 0; | |
774 | ||
775 | if (start_log) | |
776 | { | |
777 | /* The tee created already is based on gdb_stdout, which for MI | |
778 | is a console and so we end up in an infinite loop of console | |
779 | writing to ui_file writing to console etc. So discard the | |
780 | existing tee (it hasn't been used yet, and MI won't ever use | |
781 | it), and create one based on raw_stdout instead. */ | |
782 | if (logfile) | |
783 | { | |
784 | ui_file_delete (out); | |
785 | out = tee_file_new (raw_stdout, 0, logfile, 0); | |
786 | } | |
787 | ||
788 | saved_raw_stdout = raw_stdout; | |
789 | raw_stdout = out; | |
790 | } | |
791 | else | |
792 | { | |
793 | raw_stdout = saved_raw_stdout; | |
794 | saved_raw_stdout = NULL; | |
795 | } | |
796 | ||
797 | mi_console_set_raw (mi->out, raw_stdout); | |
798 | mi_console_set_raw (mi->err, raw_stdout); | |
799 | mi_console_set_raw (mi->log, raw_stdout); | |
800 | mi_console_set_raw (mi->targ, raw_stdout); | |
801 | mi_console_set_raw (mi->event_channel, raw_stdout); | |
802 | ||
803 | return 1; | |
804 | } | |
805 | ||
b9362cc7 AC |
806 | extern initialize_file_ftype _initialize_mi_interp; /* -Wmissing-prototypes */ |
807 | ||
4a8f6654 AC |
808 | void |
809 | _initialize_mi_interp (void) | |
810 | { | |
811 | static const struct interp_procs procs = | |
2b03b41d SS |
812 | { |
813 | mi_interpreter_init, /* init_proc */ | |
814 | mi_interpreter_resume, /* resume_proc */ | |
815 | mi_interpreter_suspend, /* suspend_proc */ | |
816 | mi_interpreter_exec, /* exec_proc */ | |
817 | mi_interpreter_prompt_p, /* prompt_proc_p */ | |
37ce89eb SS |
818 | mi_ui_out, /* ui_out_proc */ |
819 | mi_set_logging /* set_logging_proc */ | |
2b03b41d | 820 | }; |
4a8f6654 | 821 | |
2fcf52f0 | 822 | /* The various interpreter levels. */ |
4801a9a3 PA |
823 | interp_add (interp_new (INTERP_MI1, &procs)); |
824 | interp_add (interp_new (INTERP_MI2, &procs)); | |
825 | interp_add (interp_new (INTERP_MI3, &procs)); | |
826 | interp_add (interp_new (INTERP_MI, &procs)); | |
4a8f6654 | 827 | } |