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 | ||
4a8f6654 | 44 | static void mi_execute_command_wrapper (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 | add_file_handler (input_fd, stdin_event_handler, 0); |
173 | async_command_editing_p = 0; | |
174 | /* FIXME: This is a total hack for now. PB's use of the MI | |
175 | implicitly relies on a bug in the async support which allows | |
176 | asynchronous commands to leak through the commmand loop. The bug | |
177 | involves (but is not limited to) the fact that sync_execution was | |
178 | erroneously initialized to 0. Duplicate by initializing it thus | |
179 | here... */ | |
180 | sync_execution = 0; | |
4a8f6654 AC |
181 | |
182 | gdb_stdout = mi->out; | |
2b03b41d | 183 | /* Route error and log output through the MI. */ |
4a8f6654 AC |
184 | gdb_stderr = mi->err; |
185 | gdb_stdlog = mi->log; | |
2b03b41d | 186 | /* Route target output through the MI. */ |
4a8f6654 | 187 | gdb_stdtarg = mi->targ; |
2b03b41d | 188 | /* Route target error through the MI as well. */ |
1f20321b | 189 | gdb_stdtargerr = mi->targ; |
4a8f6654 AC |
190 | |
191 | /* Replace all the hooks that we know about. There really needs to | |
192 | be a better way of doing this... */ | |
193 | clear_interpreter_hooks (); | |
194 | ||
9a4105ab | 195 | deprecated_show_load_progress = mi_load_progress; |
4a8f6654 | 196 | |
2b03b41d | 197 | /* If we're _the_ interpreter, take control. */ |
4a8f6654 | 198 | if (current_interp_named_p (INTERP_MI1)) |
9a4105ab | 199 | deprecated_command_loop_hook = mi1_command_loop; |
f786f615 | 200 | else if (current_interp_named_p (INTERP_MI2)) |
9a4105ab | 201 | deprecated_command_loop_hook = mi2_command_loop; |
f786f615 | 202 | else if (current_interp_named_p (INTERP_MI3)) |
9a4105ab | 203 | deprecated_command_loop_hook = mi3_command_loop; |
4a8f6654 | 204 | else |
9a4105ab | 205 | deprecated_command_loop_hook = mi2_command_loop; |
4a8f6654 AC |
206 | |
207 | return 1; | |
208 | } | |
209 | ||
210 | static int | |
211 | mi_interpreter_suspend (void *data) | |
212 | { | |
213 | gdb_disable_readline (); | |
214 | return 1; | |
215 | } | |
216 | ||
71fff37b | 217 | static struct gdb_exception |
4a8f6654 AC |
218 | mi_interpreter_exec (void *data, const char *command) |
219 | { | |
220 | char *tmp = alloca (strlen (command) + 1); | |
102040f0 | 221 | |
4a8f6654 AC |
222 | strcpy (tmp, command); |
223 | mi_execute_command_wrapper (tmp); | |
c1043fc2 | 224 | return exception_none; |
4a8f6654 AC |
225 | } |
226 | ||
2b03b41d SS |
227 | /* Never display the default GDB prompt in MI case. */ |
228 | ||
4a8f6654 AC |
229 | static int |
230 | mi_interpreter_prompt_p (void *data) | |
231 | { | |
232 | return 0; | |
233 | } | |
234 | ||
ce8f13f8 | 235 | void |
4a8f6654 AC |
236 | mi_cmd_interpreter_exec (char *command, char **argv, int argc) |
237 | { | |
238 | struct interp *interp_to_use; | |
4a8f6654 | 239 | int i; |
a13e061a PA |
240 | char *mi_error_message = NULL; |
241 | struct cleanup *old_chain; | |
4a8f6654 AC |
242 | |
243 | if (argc < 2) | |
1b05df00 | 244 | error (_("-interpreter-exec: " |
9b20d036 | 245 | "Usage: -interpreter-exec interp command")); |
4a8f6654 AC |
246 | |
247 | interp_to_use = interp_lookup (argv[0]); | |
248 | if (interp_to_use == NULL) | |
1b05df00 | 249 | error (_("-interpreter-exec: could not find interpreter \"%s\""), |
9a2b4c1b | 250 | argv[0]); |
4a8f6654 AC |
251 | |
252 | if (!interp_exec_p (interp_to_use)) | |
1b05df00 | 253 | error (_("-interpreter-exec: interpreter \"%s\" " |
9b20d036 | 254 | "does not support command execution"), |
a13e061a | 255 | argv[0]); |
4a8f6654 | 256 | |
2b03b41d SS |
257 | /* Insert the MI out hooks, making sure to also call the |
258 | interpreter's hooks if it has any. */ | |
259 | /* KRS: We shouldn't need this... Events should be installed and | |
260 | they should just ALWAYS fire something out down the MI | |
261 | channel. */ | |
4a8f6654 AC |
262 | mi_insert_notify_hooks (); |
263 | ||
2b03b41d | 264 | /* Now run the code. */ |
4a8f6654 | 265 | |
a13e061a | 266 | old_chain = make_cleanup (null_cleanup, 0); |
4a8f6654 AC |
267 | for (i = 1; i < argc; i++) |
268 | { | |
32c1e744 | 269 | struct gdb_exception e = interp_exec (interp_to_use, argv[i]); |
102040f0 | 270 | |
32c1e744 VP |
271 | if (e.reason < 0) |
272 | { | |
273 | mi_error_message = xstrdup (e.message); | |
a13e061a | 274 | make_cleanup (xfree, mi_error_message); |
32c1e744 VP |
275 | break; |
276 | } | |
4a8f6654 AC |
277 | } |
278 | ||
279 | mi_remove_notify_hooks (); | |
280 | ||
a13e061a PA |
281 | if (mi_error_message != NULL) |
282 | error ("%s", mi_error_message); | |
283 | do_cleanups (old_chain); | |
4a8f6654 AC |
284 | } |
285 | ||
2b03b41d SS |
286 | /* This inserts a number of hooks that are meant to produce |
287 | async-notify ("=") MI messages while running commands in another | |
288 | interpreter using mi_interpreter_exec. The canonical use for this | |
289 | is to allow access to the gdb CLI interpreter from within the MI, | |
290 | while still producing MI style output when actions in the CLI | |
291 | command change GDB's state. */ | |
4a8f6654 AC |
292 | |
293 | static void | |
294 | mi_insert_notify_hooks (void) | |
295 | { | |
9a4105ab | 296 | deprecated_query_hook = mi_interp_query_hook; |
4a8f6654 AC |
297 | } |
298 | ||
299 | static void | |
11308a41 | 300 | mi_remove_notify_hooks (void) |
4a8f6654 | 301 | { |
9a4105ab | 302 | deprecated_query_hook = NULL; |
4a8f6654 AC |
303 | } |
304 | ||
305 | static int | |
306 | mi_interp_query_hook (const char *ctlstr, va_list ap) | |
307 | { | |
308 | return 1; | |
309 | } | |
310 | ||
4a8f6654 AC |
311 | static void |
312 | mi_execute_command_wrapper (char *cmd) | |
313 | { | |
314 | mi_execute_command (cmd, stdin == instream); | |
315 | } | |
316 | ||
e837f12a JK |
317 | /* mi_execute_command_wrapper wrapper suitable for INPUT_HANDLER. */ |
318 | ||
319 | static void | |
320 | mi_execute_command_input_handler (char *cmd) | |
321 | { | |
322 | mi_execute_command_wrapper (cmd); | |
323 | ||
324 | fputs_unfiltered ("(gdb) \n", raw_stdout); | |
325 | gdb_flush (raw_stdout); | |
326 | } | |
327 | ||
4a8f6654 AC |
328 | static void |
329 | mi1_command_loop (void) | |
330 | { | |
331 | mi_command_loop (1); | |
332 | } | |
333 | ||
334 | static void | |
335 | mi2_command_loop (void) | |
336 | { | |
337 | mi_command_loop (2); | |
338 | } | |
339 | ||
f786f615 AC |
340 | static void |
341 | mi3_command_loop (void) | |
342 | { | |
343 | mi_command_loop (3); | |
344 | } | |
345 | ||
4a8f6654 AC |
346 | static void |
347 | mi_command_loop (int mi_version) | |
348 | { | |
4a8f6654 | 349 | /* Turn off 8 bit strings in quoted output. Any character with the |
2b03b41d | 350 | high bit set is printed using C's octal format. */ |
4a8f6654 | 351 | sevenbit_strings = 1; |
2b03b41d SS |
352 | |
353 | /* Tell the world that we're alive. */ | |
4a8f6654 AC |
354 | fputs_unfiltered ("(gdb) \n", raw_stdout); |
355 | gdb_flush (raw_stdout); | |
2b03b41d | 356 | |
362646f5 | 357 | start_event_loop (); |
4a8f6654 AC |
358 | } |
359 | ||
683f2885 VP |
360 | static void |
361 | mi_new_thread (struct thread_info *t) | |
362 | { | |
363 | struct mi_interp *mi = top_level_interpreter_data (); | |
a79b8f6e VP |
364 | struct inferior *inf = find_inferior_pid (ptid_get_pid (t->ptid)); |
365 | ||
366 | gdb_assert (inf); | |
683f2885 | 367 | |
3d043ef6 | 368 | fprintf_unfiltered (mi->event_channel, |
a79b8f6e VP |
369 | "thread-created,id=\"%d\",group-id=\"i%d\"", |
370 | t->num, inf->num); | |
683f2885 VP |
371 | gdb_flush (mi->event_channel); |
372 | } | |
373 | ||
063bfe2e | 374 | static void |
a07daef3 | 375 | mi_thread_exit (struct thread_info *t, int silent) |
063bfe2e | 376 | { |
a07daef3 | 377 | struct mi_interp *mi; |
a79b8f6e | 378 | struct inferior *inf; |
a07daef3 PA |
379 | |
380 | if (silent) | |
381 | return; | |
382 | ||
a79b8f6e VP |
383 | inf = find_inferior_pid (ptid_get_pid (t->ptid)); |
384 | ||
a07daef3 | 385 | mi = top_level_interpreter_data (); |
063bfe2e | 386 | target_terminal_ours (); |
3d043ef6 | 387 | fprintf_unfiltered (mi->event_channel, |
a79b8f6e VP |
388 | "thread-exited,id=\"%d\",group-id=\"i%d\"", |
389 | t->num, inf->num); | |
063bfe2e VP |
390 | gdb_flush (mi->event_channel); |
391 | } | |
392 | ||
82a90ccf YQ |
393 | /* Emit notification on changing the state of record. */ |
394 | ||
395 | static void | |
396 | mi_record_changed (struct inferior *inferior, int started) | |
397 | { | |
398 | struct mi_interp *mi = top_level_interpreter_data (); | |
399 | ||
400 | fprintf_unfiltered (mi->event_channel, "record-%s,thread-group=\"i%d\"", | |
401 | started ? "started" : "stopped", inferior->num); | |
402 | ||
403 | gdb_flush (mi->event_channel); | |
404 | } | |
405 | ||
a79b8f6e VP |
406 | static void |
407 | mi_inferior_added (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-added,id=\"i%d\"", | |
414 | inf->num); | |
415 | gdb_flush (mi->event_channel); | |
416 | } | |
417 | ||
418 | static void | |
419 | mi_inferior_appeared (struct inferior *inf) | |
4a92f99b VP |
420 | { |
421 | struct mi_interp *mi = top_level_interpreter_data (); | |
102040f0 | 422 | |
4a92f99b | 423 | target_terminal_ours (); |
a79b8f6e VP |
424 | fprintf_unfiltered (mi->event_channel, |
425 | "thread-group-started,id=\"i%d\",pid=\"%d\"", | |
426 | inf->num, inf->pid); | |
4a92f99b VP |
427 | gdb_flush (mi->event_channel); |
428 | } | |
429 | ||
430 | static void | |
a79b8f6e | 431 | mi_inferior_exit (struct inferior *inf) |
4a92f99b VP |
432 | { |
433 | struct mi_interp *mi = top_level_interpreter_data (); | |
102040f0 | 434 | |
4a92f99b | 435 | target_terminal_ours (); |
8cf64490 TT |
436 | if (inf->has_exit_code) |
437 | fprintf_unfiltered (mi->event_channel, | |
438 | "thread-group-exited,id=\"i%d\",exit-code=\"%s\"", | |
439 | inf->num, int_string (inf->exit_code, 8, 0, 0, 1)); | |
440 | else | |
441 | fprintf_unfiltered (mi->event_channel, | |
442 | "thread-group-exited,id=\"i%d\"", inf->num); | |
443 | ||
4a92f99b VP |
444 | gdb_flush (mi->event_channel); |
445 | } | |
446 | ||
a79b8f6e VP |
447 | static void |
448 | mi_inferior_removed (struct inferior *inf) | |
449 | { | |
450 | struct mi_interp *mi = top_level_interpreter_data (); | |
102040f0 | 451 | |
a79b8f6e VP |
452 | target_terminal_ours (); |
453 | fprintf_unfiltered (mi->event_channel, | |
454 | "thread-group-removed,id=\"i%d\"", | |
455 | inf->num); | |
456 | gdb_flush (mi->event_channel); | |
457 | } | |
458 | ||
f7f9a841 | 459 | static void |
1d33d6ba | 460 | mi_on_normal_stop (struct bpstats *bs, int print_frame) |
f7f9a841 VP |
461 | { |
462 | /* Since this can be called when CLI command is executing, | |
463 | using cli interpreter, be sure to use MI uiout for output, | |
464 | not the current one. */ | |
1d33d6ba | 465 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); |
f7f9a841 | 466 | |
1d33d6ba VP |
467 | if (print_frame) |
468 | { | |
dc146f7c | 469 | int core; |
102040f0 | 470 | |
79a45e25 | 471 | if (current_uiout != mi_uiout) |
1d33d6ba | 472 | { |
2b03b41d SS |
473 | /* The normal_stop function has printed frame information |
474 | into CLI uiout, or some other non-MI uiout. There's no | |
475 | way we can extract proper fields from random uiout | |
476 | object, so we print the frame again. In practice, this | |
477 | can only happen when running a CLI command in MI. */ | |
79a45e25 | 478 | struct ui_out *saved_uiout = current_uiout; |
36dfb11c TT |
479 | struct target_waitstatus last; |
480 | ptid_t last_ptid; | |
102040f0 | 481 | |
79a45e25 | 482 | current_uiout = mi_uiout; |
36dfb11c TT |
483 | |
484 | get_last_target_status (&last_ptid, &last); | |
485 | bpstat_print (bs, last.kind); | |
486 | ||
1d33d6ba | 487 | print_stack_frame (get_selected_frame (NULL), 0, SRC_AND_LOC); |
79a45e25 | 488 | current_uiout = saved_uiout; |
1d33d6ba VP |
489 | } |
490 | ||
491 | ui_out_field_int (mi_uiout, "thread-id", | |
492 | pid_to_thread_id (inferior_ptid)); | |
493 | if (non_stop) | |
494 | { | |
495 | struct cleanup *back_to = make_cleanup_ui_out_list_begin_end | |
496 | (mi_uiout, "stopped-threads"); | |
102040f0 | 497 | |
1d33d6ba | 498 | ui_out_field_int (mi_uiout, NULL, |
102040f0 | 499 | pid_to_thread_id (inferior_ptid)); |
1d33d6ba VP |
500 | do_cleanups (back_to); |
501 | } | |
502 | else | |
503 | ui_out_field_string (mi_uiout, "stopped-threads", "all"); | |
dc146f7c VP |
504 | |
505 | core = target_core_of_thread (inferior_ptid); | |
506 | if (core != -1) | |
507 | ui_out_field_int (mi_uiout, "core", core); | |
1d33d6ba VP |
508 | } |
509 | ||
f7f9a841 | 510 | fputs_unfiltered ("*stopped", raw_stdout); |
1d33d6ba VP |
511 | mi_out_put (mi_uiout, raw_stdout); |
512 | mi_out_rewind (mi_uiout); | |
4333ada3 | 513 | mi_print_timing_maybe (); |
f7f9a841 VP |
514 | fputs_unfiltered ("\n", raw_stdout); |
515 | gdb_flush (raw_stdout); | |
516 | } | |
517 | ||
f3b1572e PA |
518 | static void |
519 | mi_about_to_proceed (void) | |
520 | { | |
521 | /* Suppress output while calling an inferior function. */ | |
522 | ||
523 | if (!ptid_equal (inferior_ptid, null_ptid)) | |
524 | { | |
525 | struct thread_info *tp = inferior_thread (); | |
102040f0 | 526 | |
16c381f0 | 527 | if (tp->control.in_infcall) |
f3b1572e PA |
528 | return; |
529 | } | |
530 | ||
531 | mi_proceeded = 1; | |
532 | } | |
533 | ||
5b9afe8a YQ |
534 | /* When the element is non-zero, no MI notifications will be emitted in |
535 | response to the corresponding observers. */ | |
2b03b41d | 536 | |
5b9afe8a YQ |
537 | struct mi_suppress_notification mi_suppress_notification = |
538 | { | |
539 | 0, | |
540 | 0, | |
201b4506 | 541 | 0, |
5b9afe8a | 542 | }; |
8d3788bd | 543 | |
201b4506 YQ |
544 | /* Emit notification on changing a traceframe. */ |
545 | ||
546 | static void | |
547 | mi_traceframe_changed (int tfnum, int tpnum) | |
548 | { | |
549 | struct mi_interp *mi = top_level_interpreter_data (); | |
550 | ||
551 | if (mi_suppress_notification.traceframe) | |
552 | return; | |
553 | ||
554 | target_terminal_ours (); | |
555 | ||
556 | if (tfnum >= 0) | |
557 | fprintf_unfiltered (mi->event_channel, "traceframe-changed," | |
558 | "num=\"%d\",tracepoint=\"%d\"\n", | |
559 | tfnum, tpnum); | |
560 | else | |
561 | fprintf_unfiltered (mi->event_channel, "traceframe-changed,end"); | |
562 | ||
563 | gdb_flush (mi->event_channel); | |
564 | } | |
565 | ||
bb25a15c YQ |
566 | /* Emit notification on creating a trace state variable. */ |
567 | ||
568 | static void | |
134a2066 | 569 | mi_tsv_created (const struct trace_state_variable *tsv) |
bb25a15c YQ |
570 | { |
571 | struct mi_interp *mi = top_level_interpreter_data (); | |
572 | ||
573 | target_terminal_ours (); | |
574 | ||
575 | fprintf_unfiltered (mi->event_channel, "tsv-created," | |
134a2066 YQ |
576 | "name=\"%s\",initial=\"%s\"\n", |
577 | tsv->name, plongest (tsv->initial_value)); | |
bb25a15c YQ |
578 | |
579 | gdb_flush (mi->event_channel); | |
580 | } | |
581 | ||
582 | /* Emit notification on deleting a trace state variable. */ | |
583 | ||
584 | static void | |
134a2066 | 585 | mi_tsv_deleted (const struct trace_state_variable *tsv) |
bb25a15c YQ |
586 | { |
587 | struct mi_interp *mi = top_level_interpreter_data (); | |
588 | ||
589 | target_terminal_ours (); | |
590 | ||
134a2066 | 591 | if (tsv != NULL) |
bb25a15c | 592 | fprintf_unfiltered (mi->event_channel, "tsv-deleted," |
134a2066 | 593 | "name=\"%s\"\n", tsv->name); |
bb25a15c YQ |
594 | else |
595 | fprintf_unfiltered (mi->event_channel, "tsv-deleted\n"); | |
596 | ||
597 | gdb_flush (mi->event_channel); | |
598 | } | |
599 | ||
134a2066 YQ |
600 | /* Emit notification on modifying a trace state variable. */ |
601 | ||
602 | static void | |
603 | mi_tsv_modified (const struct trace_state_variable *tsv) | |
604 | { | |
605 | struct mi_interp *mi = top_level_interpreter_data (); | |
606 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); | |
607 | ||
608 | target_terminal_ours (); | |
609 | ||
610 | fprintf_unfiltered (mi->event_channel, | |
611 | "tsv-modified"); | |
612 | ||
613 | ui_out_redirect (mi_uiout, mi->event_channel); | |
614 | ||
615 | ui_out_field_string (mi_uiout, "name", tsv->name); | |
616 | ui_out_field_string (mi_uiout, "initial", | |
617 | plongest (tsv->initial_value)); | |
618 | if (tsv->value_known) | |
619 | ui_out_field_string (mi_uiout, "current", plongest (tsv->value)); | |
620 | ||
621 | ui_out_redirect (mi_uiout, NULL); | |
622 | ||
623 | gdb_flush (mi->event_channel); | |
624 | } | |
625 | ||
8d3788bd | 626 | /* Emit notification about a created breakpoint. */ |
2b03b41d | 627 | |
8d3788bd VP |
628 | static void |
629 | mi_breakpoint_created (struct breakpoint *b) | |
630 | { | |
631 | struct mi_interp *mi = top_level_interpreter_data (); | |
632 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); | |
bfd189b1 | 633 | volatile struct gdb_exception e; |
8d3788bd | 634 | |
5b9afe8a | 635 | if (mi_suppress_notification.breakpoint) |
8d3788bd VP |
636 | return; |
637 | ||
638 | if (b->number <= 0) | |
639 | return; | |
640 | ||
641 | target_terminal_ours (); | |
642 | fprintf_unfiltered (mi->event_channel, | |
643 | "breakpoint-created"); | |
644 | /* We want the output from gdb_breakpoint_query to go to | |
2b03b41d SS |
645 | mi->event_channel. One approach would be to just call |
646 | gdb_breakpoint_query, and then use mi_out_put to send the current | |
647 | content of mi_outout into mi->event_channel. However, that will | |
648 | break if anything is output to mi_uiout prior to calling the | |
649 | breakpoint_created notifications. So, we use | |
650 | ui_out_redirect. */ | |
8d3788bd VP |
651 | ui_out_redirect (mi_uiout, mi->event_channel); |
652 | TRY_CATCH (e, RETURN_MASK_ERROR) | |
653 | gdb_breakpoint_query (mi_uiout, b->number, NULL); | |
654 | ui_out_redirect (mi_uiout, NULL); | |
655 | ||
656 | gdb_flush (mi->event_channel); | |
657 | } | |
658 | ||
659 | /* Emit notification about deleted breakpoint. */ | |
2b03b41d | 660 | |
8d3788bd VP |
661 | static void |
662 | mi_breakpoint_deleted (struct breakpoint *b) | |
663 | { | |
664 | struct mi_interp *mi = top_level_interpreter_data (); | |
665 | ||
5b9afe8a | 666 | if (mi_suppress_notification.breakpoint) |
8d3788bd VP |
667 | return; |
668 | ||
669 | if (b->number <= 0) | |
670 | return; | |
671 | ||
672 | target_terminal_ours (); | |
673 | ||
674 | fprintf_unfiltered (mi->event_channel, "breakpoint-deleted,id=\"%d\"", | |
675 | b->number); | |
676 | ||
677 | gdb_flush (mi->event_channel); | |
678 | } | |
679 | ||
680 | /* Emit notification about modified breakpoint. */ | |
2b03b41d | 681 | |
8d3788bd VP |
682 | static void |
683 | mi_breakpoint_modified (struct breakpoint *b) | |
684 | { | |
685 | struct mi_interp *mi = top_level_interpreter_data (); | |
686 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); | |
bfd189b1 | 687 | volatile struct gdb_exception e; |
8d3788bd | 688 | |
5b9afe8a | 689 | if (mi_suppress_notification.breakpoint) |
8d3788bd VP |
690 | return; |
691 | ||
692 | if (b->number <= 0) | |
693 | return; | |
694 | ||
695 | target_terminal_ours (); | |
696 | fprintf_unfiltered (mi->event_channel, | |
697 | "breakpoint-modified"); | |
698 | /* We want the output from gdb_breakpoint_query to go to | |
2b03b41d SS |
699 | mi->event_channel. One approach would be to just call |
700 | gdb_breakpoint_query, and then use mi_out_put to send the current | |
701 | content of mi_outout into mi->event_channel. However, that will | |
702 | break if anything is output to mi_uiout prior to calling the | |
703 | breakpoint_created notifications. So, we use | |
704 | ui_out_redirect. */ | |
8d3788bd VP |
705 | ui_out_redirect (mi_uiout, mi->event_channel); |
706 | TRY_CATCH (e, RETURN_MASK_ERROR) | |
707 | gdb_breakpoint_query (mi_uiout, b->number, NULL); | |
708 | ui_out_redirect (mi_uiout, NULL); | |
709 | ||
710 | gdb_flush (mi->event_channel); | |
711 | } | |
712 | ||
d90e17a7 PA |
713 | static int |
714 | mi_output_running_pid (struct thread_info *info, void *arg) | |
715 | { | |
716 | ptid_t *ptid = arg; | |
717 | ||
718 | if (ptid_get_pid (*ptid) == ptid_get_pid (info->ptid)) | |
719 | fprintf_unfiltered (raw_stdout, | |
720 | "*running,thread-id=\"%d\"\n", | |
721 | info->num); | |
722 | ||
723 | return 0; | |
724 | } | |
725 | ||
726 | static int | |
727 | mi_inferior_count (struct inferior *inf, void *arg) | |
728 | { | |
729 | if (inf->pid != 0) | |
730 | { | |
731 | int *count_p = arg; | |
732 | (*count_p)++; | |
733 | } | |
734 | ||
735 | return 0; | |
736 | } | |
737 | ||
e1ac3328 VP |
738 | static void |
739 | mi_on_resume (ptid_t ptid) | |
740 | { | |
c5a4d20b PA |
741 | struct thread_info *tp = NULL; |
742 | ||
9944e9c2 | 743 | if (ptid_equal (ptid, minus_one_ptid) || ptid_is_pid (ptid)) |
c5a4d20b PA |
744 | tp = inferior_thread (); |
745 | else | |
e09875d4 | 746 | tp = find_thread_ptid (ptid); |
c5a4d20b PA |
747 | |
748 | /* Suppress output while calling an inferior function. */ | |
16c381f0 | 749 | if (tp->control.in_infcall) |
c5a4d20b PA |
750 | return; |
751 | ||
a2840c35 VP |
752 | /* To cater for older frontends, emit ^running, but do it only once |
753 | per each command. We do it here, since at this point we know | |
754 | that the target was successfully resumed, and in non-async mode, | |
755 | we won't return back to MI interpreter code until the target | |
756 | is done running, so delaying the output of "^running" until then | |
757 | will make it impossible for frontend to know what's going on. | |
758 | ||
759 | In future (MI3), we'll be outputting "^done" here. */ | |
f3b1572e | 760 | if (!running_result_record_printed && mi_proceeded) |
a2840c35 | 761 | { |
c271b6e2 VP |
762 | fprintf_unfiltered (raw_stdout, "%s^running\n", |
763 | current_token ? current_token : ""); | |
a2840c35 VP |
764 | } |
765 | ||
e1ac3328 VP |
766 | if (PIDGET (ptid) == -1) |
767 | fprintf_unfiltered (raw_stdout, "*running,thread-id=\"all\"\n"); | |
d90e17a7 | 768 | else if (ptid_is_pid (ptid)) |
bb599c81 | 769 | { |
ab730e72 | 770 | int count = 0; |
d90e17a7 PA |
771 | |
772 | /* Backwards compatibility. If there's only one inferior, | |
773 | output "all", otherwise, output each resumed thread | |
774 | individually. */ | |
775 | iterate_over_inferiors (mi_inferior_count, &count); | |
776 | ||
777 | if (count == 1) | |
778 | fprintf_unfiltered (raw_stdout, "*running,thread-id=\"all\"\n"); | |
779 | else | |
780 | iterate_over_threads (mi_output_running_pid, &ptid); | |
bb599c81 | 781 | } |
e1ac3328 VP |
782 | else |
783 | { | |
e09875d4 | 784 | struct thread_info *ti = find_thread_ptid (ptid); |
102040f0 | 785 | |
e1ac3328 VP |
786 | gdb_assert (ti); |
787 | fprintf_unfiltered (raw_stdout, "*running,thread-id=\"%d\"\n", ti->num); | |
788 | } | |
a2840c35 | 789 | |
f3b1572e | 790 | if (!running_result_record_printed && mi_proceeded) |
a2840c35 VP |
791 | { |
792 | running_result_record_printed = 1; | |
793 | /* This is what gdb used to do historically -- printing prompt even if | |
794 | it cannot actually accept any input. This will be surely removed | |
795 | for MI3, and may be removed even earler. */ | |
796 | /* FIXME: review the use of target_is_async_p here -- is that | |
797 | what we want? */ | |
798 | if (!target_is_async_p ()) | |
799 | fputs_unfiltered ("(gdb) \n", raw_stdout); | |
800 | } | |
c1828f25 | 801 | gdb_flush (raw_stdout); |
e1ac3328 VP |
802 | } |
803 | ||
c86cf029 VP |
804 | static void |
805 | mi_solib_loaded (struct so_list *solib) | |
806 | { | |
807 | struct mi_interp *mi = top_level_interpreter_data (); | |
102040f0 | 808 | |
c86cf029 | 809 | target_terminal_ours (); |
f5656ead | 810 | if (gdbarch_has_global_solist (target_gdbarch ())) |
a79b8f6e VP |
811 | fprintf_unfiltered (mi->event_channel, |
812 | "library-loaded,id=\"%s\",target-name=\"%s\"," | |
813 | "host-name=\"%s\",symbols-loaded=\"%d\"", | |
814 | solib->so_original_name, solib->so_original_name, | |
815 | solib->so_name, solib->symbols_loaded); | |
816 | else | |
817 | fprintf_unfiltered (mi->event_channel, | |
818 | "library-loaded,id=\"%s\",target-name=\"%s\"," | |
819 | "host-name=\"%s\",symbols-loaded=\"%d\"," | |
820 | "thread-group=\"i%d\"", | |
821 | solib->so_original_name, solib->so_original_name, | |
822 | solib->so_name, solib->symbols_loaded, | |
823 | current_inferior ()->num); | |
824 | ||
c86cf029 VP |
825 | gdb_flush (mi->event_channel); |
826 | } | |
827 | ||
828 | static void | |
829 | mi_solib_unloaded (struct so_list *solib) | |
830 | { | |
831 | struct mi_interp *mi = top_level_interpreter_data (); | |
102040f0 | 832 | |
c86cf029 | 833 | target_terminal_ours (); |
f5656ead | 834 | if (gdbarch_has_global_solist (target_gdbarch ())) |
a79b8f6e VP |
835 | fprintf_unfiltered (mi->event_channel, |
836 | "library-unloaded,id=\"%s\",target-name=\"%s\"," | |
837 | "host-name=\"%s\"", | |
838 | solib->so_original_name, solib->so_original_name, | |
839 | solib->so_name); | |
840 | else | |
841 | fprintf_unfiltered (mi->event_channel, | |
842 | "library-unloaded,id=\"%s\",target-name=\"%s\"," | |
843 | "host-name=\"%s\",thread-group=\"i%d\"", | |
844 | solib->so_original_name, solib->so_original_name, | |
845 | solib->so_name, current_inferior ()->num); | |
846 | ||
c86cf029 VP |
847 | gdb_flush (mi->event_channel); |
848 | } | |
849 | ||
5b9afe8a YQ |
850 | /* Emit notification about the command parameter change. */ |
851 | ||
852 | static void | |
853 | mi_command_param_changed (const char *param, const char *value) | |
854 | { | |
855 | struct mi_interp *mi = top_level_interpreter_data (); | |
856 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); | |
857 | ||
858 | if (mi_suppress_notification.cmd_param_changed) | |
859 | return; | |
860 | ||
861 | target_terminal_ours (); | |
862 | ||
863 | fprintf_unfiltered (mi->event_channel, | |
864 | "cmd-param-changed"); | |
865 | ||
866 | ui_out_redirect (mi_uiout, mi->event_channel); | |
867 | ||
868 | ui_out_field_string (mi_uiout, "param", param); | |
869 | ui_out_field_string (mi_uiout, "value", value); | |
870 | ||
871 | ui_out_redirect (mi_uiout, NULL); | |
872 | ||
873 | gdb_flush (mi->event_channel); | |
874 | } | |
875 | ||
8de0566d YQ |
876 | /* Emit notification about the target memory change. */ |
877 | ||
878 | static void | |
879 | mi_memory_changed (struct inferior *inferior, CORE_ADDR memaddr, | |
880 | ssize_t len, const bfd_byte *myaddr) | |
881 | { | |
882 | struct mi_interp *mi = top_level_interpreter_data (); | |
883 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); | |
884 | struct obj_section *sec; | |
885 | ||
886 | if (mi_suppress_notification.memory) | |
887 | return; | |
888 | ||
889 | target_terminal_ours (); | |
890 | ||
891 | fprintf_unfiltered (mi->event_channel, | |
892 | "memory-changed"); | |
893 | ||
894 | ui_out_redirect (mi_uiout, mi->event_channel); | |
895 | ||
896 | ui_out_field_fmt (mi_uiout, "thread-group", "i%d", inferior->num); | |
f5656ead | 897 | ui_out_field_core_addr (mi_uiout, "addr", target_gdbarch (), memaddr); |
8de0566d YQ |
898 | ui_out_field_fmt (mi_uiout, "len", "0x%zx", len); |
899 | ||
900 | /* Append 'type=code' into notification if MEMADDR falls in the range of | |
901 | sections contain code. */ | |
902 | sec = find_pc_section (memaddr); | |
903 | if (sec != NULL && sec->objfile != NULL) | |
904 | { | |
905 | flagword flags = bfd_get_section_flags (sec->objfile->obfd, | |
906 | sec->the_bfd_section); | |
907 | ||
908 | if (flags & SEC_CODE) | |
909 | ui_out_field_string (mi_uiout, "type", "code"); | |
910 | } | |
911 | ||
912 | ui_out_redirect (mi_uiout, NULL); | |
913 | ||
914 | gdb_flush (mi->event_channel); | |
915 | } | |
916 | ||
a79b8f6e VP |
917 | static int |
918 | report_initial_inferior (struct inferior *inf, void *closure) | |
919 | { | |
920 | /* This function is called from mi_intepreter_init, and since | |
921 | mi_inferior_added assumes that inferior is fully initialized | |
922 | and top_level_interpreter_data is set, we cannot call | |
923 | it here. */ | |
924 | struct mi_interp *mi = closure; | |
102040f0 | 925 | |
a79b8f6e VP |
926 | target_terminal_ours (); |
927 | fprintf_unfiltered (mi->event_channel, | |
928 | "thread-group-added,id=\"i%d\"", | |
929 | inf->num); | |
930 | gdb_flush (mi->event_channel); | |
931 | return 0; | |
932 | } | |
c86cf029 | 933 | |
4801a9a3 PA |
934 | static struct ui_out * |
935 | mi_ui_out (struct interp *interp) | |
936 | { | |
937 | struct mi_interp *mi = interp_data (interp); | |
938 | ||
939 | return mi->uiout; | |
940 | } | |
941 | ||
37ce89eb SS |
942 | /* Save the original value of raw_stdout here when logging, so we can |
943 | restore correctly when done. */ | |
944 | ||
945 | static struct ui_file *saved_raw_stdout; | |
946 | ||
947 | /* Do MI-specific logging actions; save raw_stdout, and change all | |
948 | the consoles to use the supplied ui-file(s). */ | |
949 | ||
950 | static int | |
951 | mi_set_logging (struct interp *interp, int start_log, | |
952 | struct ui_file *out, struct ui_file *logfile) | |
953 | { | |
954 | struct mi_interp *mi = interp_data (interp); | |
955 | ||
956 | if (!mi) | |
957 | return 0; | |
958 | ||
959 | if (start_log) | |
960 | { | |
961 | /* The tee created already is based on gdb_stdout, which for MI | |
962 | is a console and so we end up in an infinite loop of console | |
963 | writing to ui_file writing to console etc. So discard the | |
964 | existing tee (it hasn't been used yet, and MI won't ever use | |
965 | it), and create one based on raw_stdout instead. */ | |
966 | if (logfile) | |
967 | { | |
968 | ui_file_delete (out); | |
969 | out = tee_file_new (raw_stdout, 0, logfile, 0); | |
970 | } | |
971 | ||
972 | saved_raw_stdout = raw_stdout; | |
973 | raw_stdout = out; | |
974 | } | |
975 | else | |
976 | { | |
977 | raw_stdout = saved_raw_stdout; | |
978 | saved_raw_stdout = NULL; | |
979 | } | |
980 | ||
981 | mi_console_set_raw (mi->out, raw_stdout); | |
982 | mi_console_set_raw (mi->err, raw_stdout); | |
983 | mi_console_set_raw (mi->log, raw_stdout); | |
984 | mi_console_set_raw (mi->targ, raw_stdout); | |
985 | mi_console_set_raw (mi->event_channel, raw_stdout); | |
986 | ||
987 | return 1; | |
988 | } | |
989 | ||
b9362cc7 AC |
990 | extern initialize_file_ftype _initialize_mi_interp; /* -Wmissing-prototypes */ |
991 | ||
4a8f6654 AC |
992 | void |
993 | _initialize_mi_interp (void) | |
994 | { | |
995 | static const struct interp_procs procs = | |
2b03b41d SS |
996 | { |
997 | mi_interpreter_init, /* init_proc */ | |
998 | mi_interpreter_resume, /* resume_proc */ | |
999 | mi_interpreter_suspend, /* suspend_proc */ | |
1000 | mi_interpreter_exec, /* exec_proc */ | |
1001 | mi_interpreter_prompt_p, /* prompt_proc_p */ | |
37ce89eb SS |
1002 | mi_ui_out, /* ui_out_proc */ |
1003 | mi_set_logging /* set_logging_proc */ | |
2b03b41d | 1004 | }; |
4a8f6654 | 1005 | |
2fcf52f0 | 1006 | /* The various interpreter levels. */ |
4801a9a3 PA |
1007 | interp_add (interp_new (INTERP_MI1, &procs)); |
1008 | interp_add (interp_new (INTERP_MI2, &procs)); | |
1009 | interp_add (interp_new (INTERP_MI3, &procs)); | |
1010 | interp_add (interp_new (INTERP_MI, &procs)); | |
4a8f6654 | 1011 | } |