Commit | Line | Data |
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4a8f6654 AC |
1 | /* MI Interpreter Definitions and Commands for GDB, the GNU debugger. |
2 | ||
ecd75fc8 | 3 | Copyright (C) 2002-2014 Free Software Foundation, Inc. |
4a8f6654 AC |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
4a8f6654 AC |
10 | (at your option) any later version. |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
4a8f6654 AC |
19 | |
20 | #include "defs.h" | |
0e9f083f | 21 | #include <string.h> |
4a8f6654 AC |
22 | #include "interps.h" |
23 | #include "event-top.h" | |
24 | #include "event-loop.h" | |
25 | #include "inferior.h" | |
45741a9c | 26 | #include "infrun.h" |
4a8f6654 AC |
27 | #include "ui-out.h" |
28 | #include "top.h" | |
c1043fc2 | 29 | #include "exceptions.h" |
4a8f6654 AC |
30 | #include "mi-main.h" |
31 | #include "mi-cmds.h" | |
32 | #include "mi-out.h" | |
33 | #include "mi-console.h" | |
66bb093b | 34 | #include "mi-common.h" |
683f2885 VP |
35 | #include "observer.h" |
36 | #include "gdbthread.h" | |
c86cf029 | 37 | #include "solist.h" |
8d3788bd | 38 | #include "gdb.h" |
8de0566d | 39 | #include "objfiles.h" |
134a2066 | 40 | #include "tracepoint.h" |
17b2616c | 41 | #include "cli-out.h" |
4a8f6654 | 42 | |
2b03b41d SS |
43 | /* These are the interpreter setup, etc. functions for the MI |
44 | interpreter. */ | |
45 | ||
ee047554 | 46 | static void mi_execute_command_wrapper (const char *cmd); |
e837f12a | 47 | static void mi_execute_command_input_handler (char *cmd); |
1af12a7d | 48 | static void mi_command_loop (void *data); |
4a8f6654 AC |
49 | |
50 | /* These are hooks that we put in place while doing interpreter_exec | |
2b03b41d SS |
51 | so we can report interesting things that happened "behind the MI's |
52 | back" in this command. */ | |
53 | ||
bee0189a | 54 | static int mi_interp_query_hook (const char *ctlstr, va_list ap) |
2b03b41d | 55 | ATTRIBUTE_PRINTF (1, 0); |
4a8f6654 | 56 | |
4a8f6654 AC |
57 | static void mi_insert_notify_hooks (void); |
58 | static void mi_remove_notify_hooks (void); | |
fd664c91 PA |
59 | |
60 | static void mi_on_signal_received (enum gdb_signal siggnal); | |
61 | static void mi_on_end_stepping_range (void); | |
62 | static void mi_on_signal_exited (enum gdb_signal siggnal); | |
63 | static void mi_on_exited (int exitstatus); | |
1d33d6ba | 64 | static void mi_on_normal_stop (struct bpstats *bs, int print_frame); |
fd664c91 | 65 | static void mi_on_no_history (void); |
4a8f6654 | 66 | |
683f2885 | 67 | static void mi_new_thread (struct thread_info *t); |
a07daef3 | 68 | static void mi_thread_exit (struct thread_info *t, int silent); |
82a90ccf | 69 | static void mi_record_changed (struct inferior*, int); |
a79b8f6e VP |
70 | static void mi_inferior_added (struct inferior *inf); |
71 | static void mi_inferior_appeared (struct inferior *inf); | |
72 | static void mi_inferior_exit (struct inferior *inf); | |
73 | static void mi_inferior_removed (struct inferior *inf); | |
e1ac3328 | 74 | static void mi_on_resume (ptid_t ptid); |
c86cf029 VP |
75 | static void mi_solib_loaded (struct so_list *solib); |
76 | static void mi_solib_unloaded (struct so_list *solib); | |
f3b1572e | 77 | static void mi_about_to_proceed (void); |
201b4506 | 78 | static void mi_traceframe_changed (int tfnum, int tpnum); |
134a2066 YQ |
79 | static void mi_tsv_created (const struct trace_state_variable *tsv); |
80 | static void mi_tsv_deleted (const struct trace_state_variable *tsv); | |
81 | static void mi_tsv_modified (const struct trace_state_variable *tsv); | |
8d3788bd VP |
82 | static void mi_breakpoint_created (struct breakpoint *b); |
83 | static void mi_breakpoint_deleted (struct breakpoint *b); | |
84 | static void mi_breakpoint_modified (struct breakpoint *b); | |
5b9afe8a | 85 | static void mi_command_param_changed (const char *param, const char *value); |
8de0566d YQ |
86 | static void mi_memory_changed (struct inferior *inf, CORE_ADDR memaddr, |
87 | ssize_t len, const bfd_byte *myaddr); | |
329ea579 | 88 | static void mi_on_sync_execution_done (void); |
683f2885 | 89 | |
a79b8f6e VP |
90 | static int report_initial_inferior (struct inferior *inf, void *closure); |
91 | ||
4a8f6654 | 92 | static void * |
4801a9a3 | 93 | mi_interpreter_init (struct interp *interp, int top_level) |
4a8f6654 | 94 | { |
70ba0933 | 95 | struct mi_interp *mi = XNEW (struct mi_interp); |
4801a9a3 PA |
96 | const char *name; |
97 | int mi_version; | |
4a8f6654 | 98 | |
bf6309af SS |
99 | /* Assign the output channel created at startup to its own global, |
100 | so that we can create a console channel that encapsulates and | |
101 | prefixes all gdb_output-type bits coming from the rest of the | |
102 | debugger. */ | |
4a8f6654 | 103 | |
bf6309af | 104 | raw_stdout = gdb_stdout; |
4a8f6654 | 105 | |
2b03b41d SS |
106 | /* Create MI console channels, each with a different prefix so they |
107 | can be distinguished. */ | |
4a8f6654 AC |
108 | mi->out = mi_console_file_new (raw_stdout, "~", '"'); |
109 | mi->err = mi_console_file_new (raw_stdout, "&", '"'); | |
110 | mi->log = mi->err; | |
111 | mi->targ = mi_console_file_new (raw_stdout, "@", '"'); | |
112 | mi->event_channel = mi_console_file_new (raw_stdout, "=", 0); | |
113 | ||
4801a9a3 PA |
114 | name = interp_name (interp); |
115 | /* INTERP_MI selects the most recent released version. "mi2" was | |
116 | released as part of GDB 6.0. */ | |
117 | if (strcmp (name, INTERP_MI) == 0) | |
118 | mi_version = 2; | |
119 | else if (strcmp (name, INTERP_MI1) == 0) | |
120 | mi_version = 1; | |
121 | else if (strcmp (name, INTERP_MI2) == 0) | |
122 | mi_version = 2; | |
123 | else if (strcmp (name, INTERP_MI3) == 0) | |
124 | mi_version = 3; | |
125 | else | |
126 | gdb_assert_not_reached ("unhandled MI version"); | |
127 | ||
fd664c91 PA |
128 | mi->mi_uiout = mi_out_new (mi_version); |
129 | mi->cli_uiout = cli_out_new (mi->out); | |
130 | ||
131 | /* There are installed even if MI is not the top level interpreter. | |
132 | The callbacks themselves decide whether to be skipped. */ | |
133 | observer_attach_signal_received (mi_on_signal_received); | |
134 | observer_attach_end_stepping_range (mi_on_end_stepping_range); | |
135 | observer_attach_signal_exited (mi_on_signal_exited); | |
136 | observer_attach_exited (mi_on_exited); | |
137 | observer_attach_no_history (mi_on_no_history); | |
4801a9a3 | 138 | |
683f2885 | 139 | if (top_level) |
063bfe2e VP |
140 | { |
141 | observer_attach_new_thread (mi_new_thread); | |
142 | observer_attach_thread_exit (mi_thread_exit); | |
a79b8f6e | 143 | observer_attach_inferior_added (mi_inferior_added); |
6c95b8df | 144 | observer_attach_inferior_appeared (mi_inferior_appeared); |
4a92f99b | 145 | observer_attach_inferior_exit (mi_inferior_exit); |
a79b8f6e | 146 | observer_attach_inferior_removed (mi_inferior_removed); |
82a90ccf | 147 | observer_attach_record_changed (mi_record_changed); |
f7f9a841 | 148 | observer_attach_normal_stop (mi_on_normal_stop); |
e1ac3328 | 149 | observer_attach_target_resumed (mi_on_resume); |
c86cf029 VP |
150 | observer_attach_solib_loaded (mi_solib_loaded); |
151 | observer_attach_solib_unloaded (mi_solib_unloaded); | |
f3b1572e | 152 | observer_attach_about_to_proceed (mi_about_to_proceed); |
201b4506 | 153 | observer_attach_traceframe_changed (mi_traceframe_changed); |
bb25a15c YQ |
154 | observer_attach_tsv_created (mi_tsv_created); |
155 | observer_attach_tsv_deleted (mi_tsv_deleted); | |
134a2066 | 156 | observer_attach_tsv_modified (mi_tsv_modified); |
8d3788bd VP |
157 | observer_attach_breakpoint_created (mi_breakpoint_created); |
158 | observer_attach_breakpoint_deleted (mi_breakpoint_deleted); | |
159 | observer_attach_breakpoint_modified (mi_breakpoint_modified); | |
5b9afe8a | 160 | observer_attach_command_param_changed (mi_command_param_changed); |
8de0566d | 161 | observer_attach_memory_changed (mi_memory_changed); |
329ea579 | 162 | observer_attach_sync_execution_done (mi_on_sync_execution_done); |
a79b8f6e | 163 | |
2b03b41d SS |
164 | /* The initial inferior is created before this function is |
165 | called, so we need to report it explicitly. Use iteration in | |
166 | case future version of GDB creates more than one inferior | |
167 | up-front. */ | |
a79b8f6e | 168 | iterate_over_inferiors (report_initial_inferior, mi); |
063bfe2e | 169 | } |
683f2885 | 170 | |
4a8f6654 AC |
171 | return mi; |
172 | } | |
173 | ||
174 | static int | |
175 | mi_interpreter_resume (void *data) | |
176 | { | |
177 | struct mi_interp *mi = data; | |
4a8f6654 | 178 | |
2b03b41d SS |
179 | /* As per hack note in mi_interpreter_init, swap in the output |
180 | channels... */ | |
4a8f6654 AC |
181 | gdb_setup_readline (); |
182 | ||
362646f5 AC |
183 | /* These overwrite some of the initialization done in |
184 | _intialize_event_loop. */ | |
185 | call_readline = gdb_readline2; | |
e837f12a | 186 | input_handler = mi_execute_command_input_handler; |
362646f5 AC |
187 | async_command_editing_p = 0; |
188 | /* FIXME: This is a total hack for now. PB's use of the MI | |
189 | implicitly relies on a bug in the async support which allows | |
190 | asynchronous commands to leak through the commmand loop. The bug | |
191 | involves (but is not limited to) the fact that sync_execution was | |
192 | erroneously initialized to 0. Duplicate by initializing it thus | |
193 | here... */ | |
194 | sync_execution = 0; | |
4a8f6654 AC |
195 | |
196 | gdb_stdout = mi->out; | |
2b03b41d | 197 | /* Route error and log output through the MI. */ |
4a8f6654 AC |
198 | gdb_stderr = mi->err; |
199 | gdb_stdlog = mi->log; | |
2b03b41d | 200 | /* Route target output through the MI. */ |
4a8f6654 | 201 | gdb_stdtarg = mi->targ; |
2b03b41d | 202 | /* Route target error through the MI as well. */ |
1f20321b | 203 | gdb_stdtargerr = mi->targ; |
4a8f6654 AC |
204 | |
205 | /* Replace all the hooks that we know about. There really needs to | |
206 | be a better way of doing this... */ | |
207 | clear_interpreter_hooks (); | |
208 | ||
9a4105ab | 209 | deprecated_show_load_progress = mi_load_progress; |
4a8f6654 | 210 | |
4a8f6654 AC |
211 | return 1; |
212 | } | |
213 | ||
214 | static int | |
215 | mi_interpreter_suspend (void *data) | |
216 | { | |
217 | gdb_disable_readline (); | |
218 | return 1; | |
219 | } | |
220 | ||
71fff37b | 221 | static struct gdb_exception |
4a8f6654 AC |
222 | mi_interpreter_exec (void *data, const char *command) |
223 | { | |
ee047554 | 224 | mi_execute_command_wrapper (command); |
c1043fc2 | 225 | return exception_none; |
4a8f6654 AC |
226 | } |
227 | ||
ce8f13f8 | 228 | void |
4a8f6654 AC |
229 | mi_cmd_interpreter_exec (char *command, char **argv, int argc) |
230 | { | |
231 | struct interp *interp_to_use; | |
4a8f6654 | 232 | int i; |
a13e061a PA |
233 | char *mi_error_message = NULL; |
234 | struct cleanup *old_chain; | |
4a8f6654 AC |
235 | |
236 | if (argc < 2) | |
1b05df00 | 237 | error (_("-interpreter-exec: " |
9b20d036 | 238 | "Usage: -interpreter-exec interp command")); |
4a8f6654 AC |
239 | |
240 | interp_to_use = interp_lookup (argv[0]); | |
241 | if (interp_to_use == NULL) | |
1b05df00 | 242 | error (_("-interpreter-exec: could not find interpreter \"%s\""), |
9a2b4c1b | 243 | argv[0]); |
4a8f6654 | 244 | |
17b2616c PA |
245 | /* Note that unlike the CLI version of this command, we don't |
246 | actually set INTERP_TO_USE as the current interpreter, as we | |
247 | still want gdb_stdout, etc. to point at MI streams. */ | |
248 | ||
2b03b41d SS |
249 | /* Insert the MI out hooks, making sure to also call the |
250 | interpreter's hooks if it has any. */ | |
251 | /* KRS: We shouldn't need this... Events should be installed and | |
252 | they should just ALWAYS fire something out down the MI | |
253 | channel. */ | |
4a8f6654 AC |
254 | mi_insert_notify_hooks (); |
255 | ||
2b03b41d | 256 | /* Now run the code. */ |
4a8f6654 | 257 | |
a13e061a | 258 | old_chain = make_cleanup (null_cleanup, 0); |
4a8f6654 AC |
259 | for (i = 1; i < argc; i++) |
260 | { | |
32c1e744 | 261 | struct gdb_exception e = interp_exec (interp_to_use, argv[i]); |
102040f0 | 262 | |
32c1e744 VP |
263 | if (e.reason < 0) |
264 | { | |
265 | mi_error_message = xstrdup (e.message); | |
a13e061a | 266 | make_cleanup (xfree, mi_error_message); |
32c1e744 VP |
267 | break; |
268 | } | |
4a8f6654 AC |
269 | } |
270 | ||
271 | mi_remove_notify_hooks (); | |
272 | ||
a13e061a PA |
273 | if (mi_error_message != NULL) |
274 | error ("%s", mi_error_message); | |
275 | do_cleanups (old_chain); | |
4a8f6654 AC |
276 | } |
277 | ||
2b03b41d SS |
278 | /* This inserts a number of hooks that are meant to produce |
279 | async-notify ("=") MI messages while running commands in another | |
280 | interpreter using mi_interpreter_exec. The canonical use for this | |
281 | is to allow access to the gdb CLI interpreter from within the MI, | |
282 | while still producing MI style output when actions in the CLI | |
283 | command change GDB's state. */ | |
4a8f6654 AC |
284 | |
285 | static void | |
286 | mi_insert_notify_hooks (void) | |
287 | { | |
9a4105ab | 288 | deprecated_query_hook = mi_interp_query_hook; |
4a8f6654 AC |
289 | } |
290 | ||
291 | static void | |
11308a41 | 292 | mi_remove_notify_hooks (void) |
4a8f6654 | 293 | { |
9a4105ab | 294 | deprecated_query_hook = NULL; |
4a8f6654 AC |
295 | } |
296 | ||
297 | static int | |
298 | mi_interp_query_hook (const char *ctlstr, va_list ap) | |
299 | { | |
300 | return 1; | |
301 | } | |
302 | ||
4a8f6654 | 303 | static void |
ee047554 | 304 | mi_execute_command_wrapper (const char *cmd) |
4a8f6654 AC |
305 | { |
306 | mi_execute_command (cmd, stdin == instream); | |
307 | } | |
308 | ||
329ea579 PA |
309 | /* Observer for the synchronous_command_done notification. */ |
310 | ||
311 | static void | |
312 | mi_on_sync_execution_done (void) | |
313 | { | |
314 | /* MI generally prints a prompt after a command, indicating it's | |
315 | ready for further input. However, due to an historical wart, if | |
316 | MI async, and a (CLI) synchronous command was issued, then we | |
317 | will print the prompt right after printing "^running", even if we | |
318 | cannot actually accept any input until the target stops. See | |
319 | mi_on_resume. However, if the target is async but MI is sync, | |
320 | then we need to output the MI prompt now, to replicate gdb's | |
321 | behavior when neither the target nor MI are async. (Note this | |
322 | observer is only called by the asynchronous target event handling | |
323 | code.) */ | |
324 | if (!mi_async_p ()) | |
325 | { | |
326 | fputs_unfiltered ("(gdb) \n", raw_stdout); | |
327 | gdb_flush (raw_stdout); | |
328 | } | |
329 | } | |
330 | ||
e837f12a JK |
331 | /* mi_execute_command_wrapper wrapper suitable for INPUT_HANDLER. */ |
332 | ||
333 | static void | |
334 | mi_execute_command_input_handler (char *cmd) | |
335 | { | |
336 | mi_execute_command_wrapper (cmd); | |
337 | ||
329ea579 PA |
338 | /* MI generally prints a prompt after a command, indicating it's |
339 | ready for further input. However, due to an historical wart, if | |
340 | MI is async, and a synchronous command was issued, then we will | |
341 | print the prompt right after printing "^running", even if we | |
342 | cannot actually accept any input until the target stops. See | |
343 | mi_on_resume. | |
344 | ||
345 | If MI is not async, then we print the prompt when the command | |
346 | finishes. If the target is sync, that means output the prompt | |
347 | now, as in that case executing a command doesn't return until the | |
348 | command is done. However, if the target is async, we go back to | |
349 | the event loop and output the prompt in the | |
350 | 'synchronous_command_done' observer. */ | |
351 | if (!target_is_async_p () || !sync_execution) | |
352 | { | |
353 | fputs_unfiltered ("(gdb) \n", raw_stdout); | |
354 | gdb_flush (raw_stdout); | |
355 | } | |
e837f12a JK |
356 | } |
357 | ||
4a8f6654 | 358 | static void |
1af12a7d | 359 | mi_command_loop (void *data) |
4a8f6654 | 360 | { |
4a8f6654 | 361 | /* Turn off 8 bit strings in quoted output. Any character with the |
2b03b41d | 362 | high bit set is printed using C's octal format. */ |
4a8f6654 | 363 | sevenbit_strings = 1; |
2b03b41d SS |
364 | |
365 | /* Tell the world that we're alive. */ | |
4a8f6654 AC |
366 | fputs_unfiltered ("(gdb) \n", raw_stdout); |
367 | gdb_flush (raw_stdout); | |
2b03b41d | 368 | |
362646f5 | 369 | start_event_loop (); |
4a8f6654 AC |
370 | } |
371 | ||
683f2885 VP |
372 | static void |
373 | mi_new_thread (struct thread_info *t) | |
374 | { | |
375 | struct mi_interp *mi = top_level_interpreter_data (); | |
a79b8f6e VP |
376 | struct inferior *inf = find_inferior_pid (ptid_get_pid (t->ptid)); |
377 | ||
378 | gdb_assert (inf); | |
683f2885 | 379 | |
3d043ef6 | 380 | fprintf_unfiltered (mi->event_channel, |
a79b8f6e VP |
381 | "thread-created,id=\"%d\",group-id=\"i%d\"", |
382 | t->num, inf->num); | |
683f2885 VP |
383 | gdb_flush (mi->event_channel); |
384 | } | |
385 | ||
063bfe2e | 386 | static void |
a07daef3 | 387 | mi_thread_exit (struct thread_info *t, int silent) |
063bfe2e | 388 | { |
a07daef3 | 389 | struct mi_interp *mi; |
a79b8f6e | 390 | struct inferior *inf; |
a07daef3 PA |
391 | |
392 | if (silent) | |
393 | return; | |
394 | ||
a79b8f6e VP |
395 | inf = find_inferior_pid (ptid_get_pid (t->ptid)); |
396 | ||
a07daef3 | 397 | mi = top_level_interpreter_data (); |
063bfe2e | 398 | target_terminal_ours (); |
3d043ef6 | 399 | fprintf_unfiltered (mi->event_channel, |
a79b8f6e VP |
400 | "thread-exited,id=\"%d\",group-id=\"i%d\"", |
401 | t->num, inf->num); | |
063bfe2e VP |
402 | gdb_flush (mi->event_channel); |
403 | } | |
404 | ||
82a90ccf YQ |
405 | /* Emit notification on changing the state of record. */ |
406 | ||
407 | static void | |
408 | mi_record_changed (struct inferior *inferior, int started) | |
409 | { | |
410 | struct mi_interp *mi = top_level_interpreter_data (); | |
411 | ||
412 | fprintf_unfiltered (mi->event_channel, "record-%s,thread-group=\"i%d\"", | |
413 | started ? "started" : "stopped", inferior->num); | |
414 | ||
415 | gdb_flush (mi->event_channel); | |
416 | } | |
417 | ||
a79b8f6e VP |
418 | static void |
419 | mi_inferior_added (struct inferior *inf) | |
420 | { | |
421 | struct mi_interp *mi = top_level_interpreter_data (); | |
102040f0 | 422 | |
a79b8f6e VP |
423 | target_terminal_ours (); |
424 | fprintf_unfiltered (mi->event_channel, | |
425 | "thread-group-added,id=\"i%d\"", | |
426 | inf->num); | |
427 | gdb_flush (mi->event_channel); | |
428 | } | |
429 | ||
430 | static void | |
431 | mi_inferior_appeared (struct inferior *inf) | |
4a92f99b VP |
432 | { |
433 | struct mi_interp *mi = top_level_interpreter_data (); | |
102040f0 | 434 | |
4a92f99b | 435 | target_terminal_ours (); |
a79b8f6e VP |
436 | fprintf_unfiltered (mi->event_channel, |
437 | "thread-group-started,id=\"i%d\",pid=\"%d\"", | |
438 | inf->num, inf->pid); | |
4a92f99b VP |
439 | gdb_flush (mi->event_channel); |
440 | } | |
441 | ||
442 | static void | |
a79b8f6e | 443 | mi_inferior_exit (struct inferior *inf) |
4a92f99b VP |
444 | { |
445 | struct mi_interp *mi = top_level_interpreter_data (); | |
102040f0 | 446 | |
4a92f99b | 447 | target_terminal_ours (); |
8cf64490 TT |
448 | if (inf->has_exit_code) |
449 | fprintf_unfiltered (mi->event_channel, | |
450 | "thread-group-exited,id=\"i%d\",exit-code=\"%s\"", | |
451 | inf->num, int_string (inf->exit_code, 8, 0, 0, 1)); | |
452 | else | |
453 | fprintf_unfiltered (mi->event_channel, | |
454 | "thread-group-exited,id=\"i%d\"", inf->num); | |
455 | ||
4a92f99b VP |
456 | gdb_flush (mi->event_channel); |
457 | } | |
458 | ||
a79b8f6e VP |
459 | static void |
460 | mi_inferior_removed (struct inferior *inf) | |
461 | { | |
462 | struct mi_interp *mi = top_level_interpreter_data (); | |
102040f0 | 463 | |
a79b8f6e VP |
464 | target_terminal_ours (); |
465 | fprintf_unfiltered (mi->event_channel, | |
466 | "thread-group-removed,id=\"i%d\"", | |
467 | inf->num); | |
468 | gdb_flush (mi->event_channel); | |
469 | } | |
470 | ||
17b2616c PA |
471 | /* Cleanup that restores a previous current uiout. */ |
472 | ||
473 | static void | |
474 | restore_current_uiout_cleanup (void *arg) | |
475 | { | |
476 | struct ui_out *saved_uiout = arg; | |
477 | ||
478 | current_uiout = saved_uiout; | |
479 | } | |
480 | ||
fd664c91 PA |
481 | /* Return the MI interpreter, if it is active -- either because it's |
482 | the top-level interpreter or the interpreter executing the current | |
483 | command. Returns NULL if the MI interpreter is not being used. */ | |
484 | ||
485 | static struct interp * | |
486 | find_mi_interpreter (void) | |
487 | { | |
488 | struct interp *interp; | |
489 | ||
490 | interp = top_level_interpreter (); | |
491 | if (ui_out_is_mi_like_p (interp_ui_out (interp))) | |
492 | return interp; | |
493 | ||
494 | interp = command_interp (); | |
495 | if (ui_out_is_mi_like_p (interp_ui_out (interp))) | |
496 | return interp; | |
497 | ||
498 | return NULL; | |
499 | } | |
500 | ||
501 | /* Return the MI_INTERP structure of the active MI interpreter. | |
502 | Returns NULL if MI is not active. */ | |
503 | ||
504 | static struct mi_interp * | |
505 | mi_interp_data (void) | |
506 | { | |
507 | struct interp *interp = find_mi_interpreter (); | |
508 | ||
509 | if (interp != NULL) | |
510 | return interp_data (interp); | |
511 | return NULL; | |
512 | } | |
513 | ||
514 | /* Observers for several run control events that print why the | |
515 | inferior has stopped to both the the MI event channel and to the MI | |
516 | console. If the MI interpreter is not active, print nothing. */ | |
517 | ||
518 | /* Observer for the signal_received notification. */ | |
519 | ||
520 | static void | |
521 | mi_on_signal_received (enum gdb_signal siggnal) | |
522 | { | |
523 | struct mi_interp *mi = mi_interp_data (); | |
524 | ||
525 | if (mi == NULL) | |
526 | return; | |
527 | ||
528 | print_signal_received_reason (mi->mi_uiout, siggnal); | |
529 | print_signal_received_reason (mi->cli_uiout, siggnal); | |
530 | } | |
531 | ||
532 | /* Observer for the end_stepping_range notification. */ | |
533 | ||
534 | static void | |
535 | mi_on_end_stepping_range (void) | |
536 | { | |
537 | struct mi_interp *mi = mi_interp_data (); | |
538 | ||
539 | if (mi == NULL) | |
540 | return; | |
541 | ||
542 | print_end_stepping_range_reason (mi->mi_uiout); | |
543 | print_end_stepping_range_reason (mi->cli_uiout); | |
544 | } | |
545 | ||
546 | /* Observer for the signal_exited notification. */ | |
17b2616c PA |
547 | |
548 | static void | |
fd664c91 | 549 | mi_on_signal_exited (enum gdb_signal siggnal) |
17b2616c | 550 | { |
fd664c91 | 551 | struct mi_interp *mi = mi_interp_data (); |
17b2616c | 552 | |
fd664c91 PA |
553 | if (mi == NULL) |
554 | return; | |
555 | ||
556 | print_signal_exited_reason (mi->mi_uiout, siggnal); | |
557 | print_signal_exited_reason (mi->cli_uiout, siggnal); | |
558 | } | |
559 | ||
560 | /* Observer for the exited notification. */ | |
561 | ||
562 | static void | |
563 | mi_on_exited (int exitstatus) | |
564 | { | |
565 | struct mi_interp *mi = mi_interp_data (); | |
566 | ||
567 | if (mi == NULL) | |
568 | return; | |
569 | ||
570 | print_exited_reason (mi->mi_uiout, exitstatus); | |
571 | print_exited_reason (mi->cli_uiout, exitstatus); | |
572 | } | |
573 | ||
574 | /* Observer for the no_history notification. */ | |
575 | ||
576 | static void | |
577 | mi_on_no_history (void) | |
578 | { | |
579 | struct mi_interp *mi = mi_interp_data (); | |
580 | ||
581 | if (mi == NULL) | |
582 | return; | |
583 | ||
584 | print_no_history_reason (mi->mi_uiout); | |
585 | print_no_history_reason (mi->cli_uiout); | |
17b2616c PA |
586 | } |
587 | ||
f7f9a841 | 588 | static void |
1d33d6ba | 589 | mi_on_normal_stop (struct bpstats *bs, int print_frame) |
f7f9a841 VP |
590 | { |
591 | /* Since this can be called when CLI command is executing, | |
592 | using cli interpreter, be sure to use MI uiout for output, | |
593 | not the current one. */ | |
1d33d6ba | 594 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); |
f7f9a841 | 595 | |
1d33d6ba VP |
596 | if (print_frame) |
597 | { | |
dc146f7c | 598 | int core; |
102040f0 | 599 | |
79a45e25 | 600 | if (current_uiout != mi_uiout) |
1d33d6ba | 601 | { |
2b03b41d SS |
602 | /* The normal_stop function has printed frame information |
603 | into CLI uiout, or some other non-MI uiout. There's no | |
604 | way we can extract proper fields from random uiout | |
605 | object, so we print the frame again. In practice, this | |
606 | can only happen when running a CLI command in MI. */ | |
79a45e25 | 607 | struct ui_out *saved_uiout = current_uiout; |
36dfb11c TT |
608 | struct target_waitstatus last; |
609 | ptid_t last_ptid; | |
102040f0 | 610 | |
79a45e25 | 611 | current_uiout = mi_uiout; |
36dfb11c TT |
612 | |
613 | get_last_target_status (&last_ptid, &last); | |
0c7e1a46 | 614 | print_stop_event (&last); |
36dfb11c | 615 | |
79a45e25 | 616 | current_uiout = saved_uiout; |
1d33d6ba | 617 | } |
17b2616c PA |
618 | /* Otherwise, frame information has already been printed by |
619 | normal_stop. */ | |
620 | else | |
621 | { | |
622 | /* Breakpoint hits should always be mirrored to the console. | |
623 | Deciding what to mirror to the console wrt to breakpoints | |
624 | and random stops gets messy real fast. E.g., say "s" | |
625 | trips on a breakpoint. We'd clearly want to mirror the | |
626 | event to the console in this case. But what about more | |
627 | complicated cases like "s&; thread n; s&", and one of | |
628 | those steps spawning a new thread, and that thread | |
629 | hitting a breakpoint? It's impossible in general to | |
630 | track whether the thread had any relation to the commands | |
631 | that had been executed. So we just simplify and always | |
632 | mirror breakpoints and random events to the console. | |
633 | ||
634 | Also, CLI execution commands (-interpreter-exec console | |
635 | "next", for example) in async mode have the opposite | |
636 | issue as described in the "then" branch above -- | |
637 | normal_stop has already printed frame information to MI | |
638 | uiout, but nothing has printed the same information to | |
639 | the CLI channel. We should print the source line to the | |
640 | console when stepping or other similar commands, iff the | |
641 | step was started by a console command (but not if it was | |
642 | started with -exec-step or similar). */ | |
643 | struct thread_info *tp = inferior_thread (); | |
644 | ||
645 | if ((!tp->control.stop_step | |
646 | && !tp->control.proceed_to_finish) | |
647 | || (tp->control.command_interp != NULL | |
648 | && tp->control.command_interp != top_level_interpreter ())) | |
649 | { | |
650 | struct mi_interp *mi = top_level_interpreter_data (); | |
651 | struct target_waitstatus last; | |
652 | ptid_t last_ptid; | |
17b2616c PA |
653 | struct cleanup *old_chain; |
654 | ||
fd664c91 PA |
655 | /* Set the current uiout to CLI uiout temporarily. */ |
656 | old_chain = make_cleanup (restore_current_uiout_cleanup, | |
657 | current_uiout); | |
658 | current_uiout = mi->cli_uiout; | |
17b2616c PA |
659 | |
660 | get_last_target_status (&last_ptid, &last); | |
661 | print_stop_event (&last); | |
662 | ||
663 | do_cleanups (old_chain); | |
664 | } | |
665 | } | |
1d33d6ba VP |
666 | |
667 | ui_out_field_int (mi_uiout, "thread-id", | |
668 | pid_to_thread_id (inferior_ptid)); | |
669 | if (non_stop) | |
670 | { | |
671 | struct cleanup *back_to = make_cleanup_ui_out_list_begin_end | |
672 | (mi_uiout, "stopped-threads"); | |
102040f0 | 673 | |
1d33d6ba | 674 | ui_out_field_int (mi_uiout, NULL, |
102040f0 | 675 | pid_to_thread_id (inferior_ptid)); |
1d33d6ba VP |
676 | do_cleanups (back_to); |
677 | } | |
678 | else | |
679 | ui_out_field_string (mi_uiout, "stopped-threads", "all"); | |
dc146f7c VP |
680 | |
681 | core = target_core_of_thread (inferior_ptid); | |
682 | if (core != -1) | |
683 | ui_out_field_int (mi_uiout, "core", core); | |
1d33d6ba VP |
684 | } |
685 | ||
f7f9a841 | 686 | fputs_unfiltered ("*stopped", raw_stdout); |
1d33d6ba VP |
687 | mi_out_put (mi_uiout, raw_stdout); |
688 | mi_out_rewind (mi_uiout); | |
4333ada3 | 689 | mi_print_timing_maybe (); |
f7f9a841 VP |
690 | fputs_unfiltered ("\n", raw_stdout); |
691 | gdb_flush (raw_stdout); | |
692 | } | |
693 | ||
f3b1572e PA |
694 | static void |
695 | mi_about_to_proceed (void) | |
696 | { | |
697 | /* Suppress output while calling an inferior function. */ | |
698 | ||
699 | if (!ptid_equal (inferior_ptid, null_ptid)) | |
700 | { | |
701 | struct thread_info *tp = inferior_thread (); | |
102040f0 | 702 | |
16c381f0 | 703 | if (tp->control.in_infcall) |
f3b1572e PA |
704 | return; |
705 | } | |
706 | ||
707 | mi_proceeded = 1; | |
708 | } | |
709 | ||
5b9afe8a YQ |
710 | /* When the element is non-zero, no MI notifications will be emitted in |
711 | response to the corresponding observers. */ | |
2b03b41d | 712 | |
5b9afe8a YQ |
713 | struct mi_suppress_notification mi_suppress_notification = |
714 | { | |
715 | 0, | |
716 | 0, | |
201b4506 | 717 | 0, |
5b9afe8a | 718 | }; |
8d3788bd | 719 | |
201b4506 YQ |
720 | /* Emit notification on changing a traceframe. */ |
721 | ||
722 | static void | |
723 | mi_traceframe_changed (int tfnum, int tpnum) | |
724 | { | |
725 | struct mi_interp *mi = top_level_interpreter_data (); | |
726 | ||
727 | if (mi_suppress_notification.traceframe) | |
728 | return; | |
729 | ||
730 | target_terminal_ours (); | |
731 | ||
732 | if (tfnum >= 0) | |
733 | fprintf_unfiltered (mi->event_channel, "traceframe-changed," | |
734 | "num=\"%d\",tracepoint=\"%d\"\n", | |
735 | tfnum, tpnum); | |
736 | else | |
737 | fprintf_unfiltered (mi->event_channel, "traceframe-changed,end"); | |
738 | ||
739 | gdb_flush (mi->event_channel); | |
740 | } | |
741 | ||
bb25a15c YQ |
742 | /* Emit notification on creating a trace state variable. */ |
743 | ||
744 | static void | |
134a2066 | 745 | mi_tsv_created (const struct trace_state_variable *tsv) |
bb25a15c YQ |
746 | { |
747 | struct mi_interp *mi = top_level_interpreter_data (); | |
748 | ||
749 | target_terminal_ours (); | |
750 | ||
751 | fprintf_unfiltered (mi->event_channel, "tsv-created," | |
134a2066 YQ |
752 | "name=\"%s\",initial=\"%s\"\n", |
753 | tsv->name, plongest (tsv->initial_value)); | |
bb25a15c YQ |
754 | |
755 | gdb_flush (mi->event_channel); | |
756 | } | |
757 | ||
758 | /* Emit notification on deleting a trace state variable. */ | |
759 | ||
760 | static void | |
134a2066 | 761 | mi_tsv_deleted (const struct trace_state_variable *tsv) |
bb25a15c YQ |
762 | { |
763 | struct mi_interp *mi = top_level_interpreter_data (); | |
764 | ||
765 | target_terminal_ours (); | |
766 | ||
134a2066 | 767 | if (tsv != NULL) |
bb25a15c | 768 | fprintf_unfiltered (mi->event_channel, "tsv-deleted," |
134a2066 | 769 | "name=\"%s\"\n", tsv->name); |
bb25a15c YQ |
770 | else |
771 | fprintf_unfiltered (mi->event_channel, "tsv-deleted\n"); | |
772 | ||
773 | gdb_flush (mi->event_channel); | |
774 | } | |
775 | ||
134a2066 YQ |
776 | /* Emit notification on modifying a trace state variable. */ |
777 | ||
778 | static void | |
779 | mi_tsv_modified (const struct trace_state_variable *tsv) | |
780 | { | |
781 | struct mi_interp *mi = top_level_interpreter_data (); | |
782 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); | |
783 | ||
784 | target_terminal_ours (); | |
785 | ||
786 | fprintf_unfiltered (mi->event_channel, | |
787 | "tsv-modified"); | |
788 | ||
789 | ui_out_redirect (mi_uiout, mi->event_channel); | |
790 | ||
791 | ui_out_field_string (mi_uiout, "name", tsv->name); | |
792 | ui_out_field_string (mi_uiout, "initial", | |
793 | plongest (tsv->initial_value)); | |
794 | if (tsv->value_known) | |
795 | ui_out_field_string (mi_uiout, "current", plongest (tsv->value)); | |
796 | ||
797 | ui_out_redirect (mi_uiout, NULL); | |
798 | ||
799 | gdb_flush (mi->event_channel); | |
800 | } | |
801 | ||
8d3788bd | 802 | /* Emit notification about a created breakpoint. */ |
2b03b41d | 803 | |
8d3788bd VP |
804 | static void |
805 | mi_breakpoint_created (struct breakpoint *b) | |
806 | { | |
807 | struct mi_interp *mi = top_level_interpreter_data (); | |
808 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); | |
bfd189b1 | 809 | volatile struct gdb_exception e; |
8d3788bd | 810 | |
5b9afe8a | 811 | if (mi_suppress_notification.breakpoint) |
8d3788bd VP |
812 | return; |
813 | ||
814 | if (b->number <= 0) | |
815 | return; | |
816 | ||
817 | target_terminal_ours (); | |
818 | fprintf_unfiltered (mi->event_channel, | |
819 | "breakpoint-created"); | |
820 | /* We want the output from gdb_breakpoint_query to go to | |
2b03b41d SS |
821 | mi->event_channel. One approach would be to just call |
822 | gdb_breakpoint_query, and then use mi_out_put to send the current | |
823 | content of mi_outout into mi->event_channel. However, that will | |
824 | break if anything is output to mi_uiout prior to calling the | |
825 | breakpoint_created notifications. So, we use | |
826 | ui_out_redirect. */ | |
8d3788bd VP |
827 | ui_out_redirect (mi_uiout, mi->event_channel); |
828 | TRY_CATCH (e, RETURN_MASK_ERROR) | |
829 | gdb_breakpoint_query (mi_uiout, b->number, NULL); | |
830 | ui_out_redirect (mi_uiout, NULL); | |
831 | ||
832 | gdb_flush (mi->event_channel); | |
833 | } | |
834 | ||
835 | /* Emit notification about deleted breakpoint. */ | |
2b03b41d | 836 | |
8d3788bd VP |
837 | static void |
838 | mi_breakpoint_deleted (struct breakpoint *b) | |
839 | { | |
840 | struct mi_interp *mi = top_level_interpreter_data (); | |
841 | ||
5b9afe8a | 842 | if (mi_suppress_notification.breakpoint) |
8d3788bd VP |
843 | return; |
844 | ||
845 | if (b->number <= 0) | |
846 | return; | |
847 | ||
848 | target_terminal_ours (); | |
849 | ||
850 | fprintf_unfiltered (mi->event_channel, "breakpoint-deleted,id=\"%d\"", | |
851 | b->number); | |
852 | ||
853 | gdb_flush (mi->event_channel); | |
854 | } | |
855 | ||
856 | /* Emit notification about modified breakpoint. */ | |
2b03b41d | 857 | |
8d3788bd VP |
858 | static void |
859 | mi_breakpoint_modified (struct breakpoint *b) | |
860 | { | |
861 | struct mi_interp *mi = top_level_interpreter_data (); | |
862 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); | |
bfd189b1 | 863 | volatile struct gdb_exception e; |
8d3788bd | 864 | |
5b9afe8a | 865 | if (mi_suppress_notification.breakpoint) |
8d3788bd VP |
866 | return; |
867 | ||
868 | if (b->number <= 0) | |
869 | return; | |
870 | ||
871 | target_terminal_ours (); | |
872 | fprintf_unfiltered (mi->event_channel, | |
873 | "breakpoint-modified"); | |
874 | /* We want the output from gdb_breakpoint_query to go to | |
2b03b41d SS |
875 | mi->event_channel. One approach would be to just call |
876 | gdb_breakpoint_query, and then use mi_out_put to send the current | |
877 | content of mi_outout into mi->event_channel. However, that will | |
878 | break if anything is output to mi_uiout prior to calling the | |
879 | breakpoint_created notifications. So, we use | |
880 | ui_out_redirect. */ | |
8d3788bd VP |
881 | ui_out_redirect (mi_uiout, mi->event_channel); |
882 | TRY_CATCH (e, RETURN_MASK_ERROR) | |
883 | gdb_breakpoint_query (mi_uiout, b->number, NULL); | |
884 | ui_out_redirect (mi_uiout, NULL); | |
885 | ||
886 | gdb_flush (mi->event_channel); | |
887 | } | |
888 | ||
d90e17a7 PA |
889 | static int |
890 | mi_output_running_pid (struct thread_info *info, void *arg) | |
891 | { | |
892 | ptid_t *ptid = arg; | |
893 | ||
894 | if (ptid_get_pid (*ptid) == ptid_get_pid (info->ptid)) | |
895 | fprintf_unfiltered (raw_stdout, | |
896 | "*running,thread-id=\"%d\"\n", | |
897 | info->num); | |
898 | ||
899 | return 0; | |
900 | } | |
901 | ||
902 | static int | |
903 | mi_inferior_count (struct inferior *inf, void *arg) | |
904 | { | |
905 | if (inf->pid != 0) | |
906 | { | |
907 | int *count_p = arg; | |
908 | (*count_p)++; | |
909 | } | |
910 | ||
911 | return 0; | |
912 | } | |
913 | ||
e1ac3328 VP |
914 | static void |
915 | mi_on_resume (ptid_t ptid) | |
916 | { | |
c5a4d20b PA |
917 | struct thread_info *tp = NULL; |
918 | ||
9944e9c2 | 919 | if (ptid_equal (ptid, minus_one_ptid) || ptid_is_pid (ptid)) |
c5a4d20b PA |
920 | tp = inferior_thread (); |
921 | else | |
e09875d4 | 922 | tp = find_thread_ptid (ptid); |
c5a4d20b PA |
923 | |
924 | /* Suppress output while calling an inferior function. */ | |
16c381f0 | 925 | if (tp->control.in_infcall) |
c5a4d20b PA |
926 | return; |
927 | ||
a2840c35 VP |
928 | /* To cater for older frontends, emit ^running, but do it only once |
929 | per each command. We do it here, since at this point we know | |
930 | that the target was successfully resumed, and in non-async mode, | |
931 | we won't return back to MI interpreter code until the target | |
932 | is done running, so delaying the output of "^running" until then | |
933 | will make it impossible for frontend to know what's going on. | |
934 | ||
935 | In future (MI3), we'll be outputting "^done" here. */ | |
f3b1572e | 936 | if (!running_result_record_printed && mi_proceeded) |
a2840c35 | 937 | { |
c271b6e2 VP |
938 | fprintf_unfiltered (raw_stdout, "%s^running\n", |
939 | current_token ? current_token : ""); | |
a2840c35 VP |
940 | } |
941 | ||
dfd4cc63 | 942 | if (ptid_get_pid (ptid) == -1) |
e1ac3328 | 943 | fprintf_unfiltered (raw_stdout, "*running,thread-id=\"all\"\n"); |
d90e17a7 | 944 | else if (ptid_is_pid (ptid)) |
bb599c81 | 945 | { |
ab730e72 | 946 | int count = 0; |
d90e17a7 PA |
947 | |
948 | /* Backwards compatibility. If there's only one inferior, | |
949 | output "all", otherwise, output each resumed thread | |
950 | individually. */ | |
951 | iterate_over_inferiors (mi_inferior_count, &count); | |
952 | ||
953 | if (count == 1) | |
954 | fprintf_unfiltered (raw_stdout, "*running,thread-id=\"all\"\n"); | |
955 | else | |
956 | iterate_over_threads (mi_output_running_pid, &ptid); | |
bb599c81 | 957 | } |
e1ac3328 VP |
958 | else |
959 | { | |
e09875d4 | 960 | struct thread_info *ti = find_thread_ptid (ptid); |
102040f0 | 961 | |
e1ac3328 VP |
962 | gdb_assert (ti); |
963 | fprintf_unfiltered (raw_stdout, "*running,thread-id=\"%d\"\n", ti->num); | |
964 | } | |
a2840c35 | 965 | |
f3b1572e | 966 | if (!running_result_record_printed && mi_proceeded) |
a2840c35 VP |
967 | { |
968 | running_result_record_printed = 1; | |
969 | /* This is what gdb used to do historically -- printing prompt even if | |
970 | it cannot actually accept any input. This will be surely removed | |
329ea579 PA |
971 | for MI3, and may be removed even earlier. SYNC_EXECUTION is |
972 | checked here because we only need to emit a prompt if a | |
973 | synchronous command was issued when the target is async. */ | |
974 | if (!target_is_async_p () || sync_execution) | |
a2840c35 VP |
975 | fputs_unfiltered ("(gdb) \n", raw_stdout); |
976 | } | |
c1828f25 | 977 | gdb_flush (raw_stdout); |
e1ac3328 VP |
978 | } |
979 | ||
c86cf029 VP |
980 | static void |
981 | mi_solib_loaded (struct so_list *solib) | |
982 | { | |
983 | struct mi_interp *mi = top_level_interpreter_data (); | |
102040f0 | 984 | |
c86cf029 | 985 | target_terminal_ours (); |
f5656ead | 986 | if (gdbarch_has_global_solist (target_gdbarch ())) |
a79b8f6e VP |
987 | fprintf_unfiltered (mi->event_channel, |
988 | "library-loaded,id=\"%s\",target-name=\"%s\"," | |
989 | "host-name=\"%s\",symbols-loaded=\"%d\"", | |
990 | solib->so_original_name, solib->so_original_name, | |
991 | solib->so_name, solib->symbols_loaded); | |
992 | else | |
993 | fprintf_unfiltered (mi->event_channel, | |
994 | "library-loaded,id=\"%s\",target-name=\"%s\"," | |
995 | "host-name=\"%s\",symbols-loaded=\"%d\"," | |
996 | "thread-group=\"i%d\"", | |
997 | solib->so_original_name, solib->so_original_name, | |
998 | solib->so_name, solib->symbols_loaded, | |
999 | current_inferior ()->num); | |
1000 | ||
c86cf029 VP |
1001 | gdb_flush (mi->event_channel); |
1002 | } | |
1003 | ||
1004 | static void | |
1005 | mi_solib_unloaded (struct so_list *solib) | |
1006 | { | |
1007 | struct mi_interp *mi = top_level_interpreter_data (); | |
102040f0 | 1008 | |
c86cf029 | 1009 | target_terminal_ours (); |
f5656ead | 1010 | if (gdbarch_has_global_solist (target_gdbarch ())) |
a79b8f6e VP |
1011 | fprintf_unfiltered (mi->event_channel, |
1012 | "library-unloaded,id=\"%s\",target-name=\"%s\"," | |
1013 | "host-name=\"%s\"", | |
1014 | solib->so_original_name, solib->so_original_name, | |
1015 | solib->so_name); | |
1016 | else | |
1017 | fprintf_unfiltered (mi->event_channel, | |
1018 | "library-unloaded,id=\"%s\",target-name=\"%s\"," | |
1019 | "host-name=\"%s\",thread-group=\"i%d\"", | |
1020 | solib->so_original_name, solib->so_original_name, | |
1021 | solib->so_name, current_inferior ()->num); | |
1022 | ||
c86cf029 VP |
1023 | gdb_flush (mi->event_channel); |
1024 | } | |
1025 | ||
5b9afe8a YQ |
1026 | /* Emit notification about the command parameter change. */ |
1027 | ||
1028 | static void | |
1029 | mi_command_param_changed (const char *param, const char *value) | |
1030 | { | |
1031 | struct mi_interp *mi = top_level_interpreter_data (); | |
1032 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); | |
1033 | ||
1034 | if (mi_suppress_notification.cmd_param_changed) | |
1035 | return; | |
1036 | ||
1037 | target_terminal_ours (); | |
1038 | ||
1039 | fprintf_unfiltered (mi->event_channel, | |
1040 | "cmd-param-changed"); | |
1041 | ||
1042 | ui_out_redirect (mi_uiout, mi->event_channel); | |
1043 | ||
1044 | ui_out_field_string (mi_uiout, "param", param); | |
1045 | ui_out_field_string (mi_uiout, "value", value); | |
1046 | ||
1047 | ui_out_redirect (mi_uiout, NULL); | |
1048 | ||
1049 | gdb_flush (mi->event_channel); | |
1050 | } | |
1051 | ||
8de0566d YQ |
1052 | /* Emit notification about the target memory change. */ |
1053 | ||
1054 | static void | |
1055 | mi_memory_changed (struct inferior *inferior, CORE_ADDR memaddr, | |
1056 | ssize_t len, const bfd_byte *myaddr) | |
1057 | { | |
1058 | struct mi_interp *mi = top_level_interpreter_data (); | |
1059 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); | |
1060 | struct obj_section *sec; | |
1061 | ||
1062 | if (mi_suppress_notification.memory) | |
1063 | return; | |
1064 | ||
1065 | target_terminal_ours (); | |
1066 | ||
1067 | fprintf_unfiltered (mi->event_channel, | |
1068 | "memory-changed"); | |
1069 | ||
1070 | ui_out_redirect (mi_uiout, mi->event_channel); | |
1071 | ||
1072 | ui_out_field_fmt (mi_uiout, "thread-group", "i%d", inferior->num); | |
f5656ead | 1073 | ui_out_field_core_addr (mi_uiout, "addr", target_gdbarch (), memaddr); |
deba7593 | 1074 | ui_out_field_fmt (mi_uiout, "len", "%s", hex_string (len)); |
8de0566d YQ |
1075 | |
1076 | /* Append 'type=code' into notification if MEMADDR falls in the range of | |
1077 | sections contain code. */ | |
1078 | sec = find_pc_section (memaddr); | |
1079 | if (sec != NULL && sec->objfile != NULL) | |
1080 | { | |
1081 | flagword flags = bfd_get_section_flags (sec->objfile->obfd, | |
1082 | sec->the_bfd_section); | |
1083 | ||
1084 | if (flags & SEC_CODE) | |
1085 | ui_out_field_string (mi_uiout, "type", "code"); | |
1086 | } | |
1087 | ||
1088 | ui_out_redirect (mi_uiout, NULL); | |
1089 | ||
1090 | gdb_flush (mi->event_channel); | |
1091 | } | |
1092 | ||
a79b8f6e VP |
1093 | static int |
1094 | report_initial_inferior (struct inferior *inf, void *closure) | |
1095 | { | |
1096 | /* This function is called from mi_intepreter_init, and since | |
1097 | mi_inferior_added assumes that inferior is fully initialized | |
1098 | and top_level_interpreter_data is set, we cannot call | |
1099 | it here. */ | |
1100 | struct mi_interp *mi = closure; | |
102040f0 | 1101 | |
a79b8f6e VP |
1102 | target_terminal_ours (); |
1103 | fprintf_unfiltered (mi->event_channel, | |
1104 | "thread-group-added,id=\"i%d\"", | |
1105 | inf->num); | |
1106 | gdb_flush (mi->event_channel); | |
1107 | return 0; | |
1108 | } | |
c86cf029 | 1109 | |
4801a9a3 PA |
1110 | static struct ui_out * |
1111 | mi_ui_out (struct interp *interp) | |
1112 | { | |
1113 | struct mi_interp *mi = interp_data (interp); | |
1114 | ||
fd664c91 | 1115 | return mi->mi_uiout; |
4801a9a3 PA |
1116 | } |
1117 | ||
37ce89eb SS |
1118 | /* Save the original value of raw_stdout here when logging, so we can |
1119 | restore correctly when done. */ | |
1120 | ||
1121 | static struct ui_file *saved_raw_stdout; | |
1122 | ||
1123 | /* Do MI-specific logging actions; save raw_stdout, and change all | |
1124 | the consoles to use the supplied ui-file(s). */ | |
1125 | ||
1126 | static int | |
1127 | mi_set_logging (struct interp *interp, int start_log, | |
1128 | struct ui_file *out, struct ui_file *logfile) | |
1129 | { | |
1130 | struct mi_interp *mi = interp_data (interp); | |
1131 | ||
1132 | if (!mi) | |
1133 | return 0; | |
1134 | ||
1135 | if (start_log) | |
1136 | { | |
1137 | /* The tee created already is based on gdb_stdout, which for MI | |
1138 | is a console and so we end up in an infinite loop of console | |
1139 | writing to ui_file writing to console etc. So discard the | |
1140 | existing tee (it hasn't been used yet, and MI won't ever use | |
1141 | it), and create one based on raw_stdout instead. */ | |
1142 | if (logfile) | |
1143 | { | |
1144 | ui_file_delete (out); | |
1145 | out = tee_file_new (raw_stdout, 0, logfile, 0); | |
1146 | } | |
1147 | ||
1148 | saved_raw_stdout = raw_stdout; | |
1149 | raw_stdout = out; | |
1150 | } | |
1151 | else | |
1152 | { | |
1153 | raw_stdout = saved_raw_stdout; | |
1154 | saved_raw_stdout = NULL; | |
1155 | } | |
1156 | ||
1157 | mi_console_set_raw (mi->out, raw_stdout); | |
1158 | mi_console_set_raw (mi->err, raw_stdout); | |
1159 | mi_console_set_raw (mi->log, raw_stdout); | |
1160 | mi_console_set_raw (mi->targ, raw_stdout); | |
1161 | mi_console_set_raw (mi->event_channel, raw_stdout); | |
1162 | ||
1163 | return 1; | |
1164 | } | |
1165 | ||
b9362cc7 AC |
1166 | extern initialize_file_ftype _initialize_mi_interp; /* -Wmissing-prototypes */ |
1167 | ||
4a8f6654 AC |
1168 | void |
1169 | _initialize_mi_interp (void) | |
1170 | { | |
1171 | static const struct interp_procs procs = | |
2b03b41d SS |
1172 | { |
1173 | mi_interpreter_init, /* init_proc */ | |
1174 | mi_interpreter_resume, /* resume_proc */ | |
1175 | mi_interpreter_suspend, /* suspend_proc */ | |
1176 | mi_interpreter_exec, /* exec_proc */ | |
37ce89eb | 1177 | mi_ui_out, /* ui_out_proc */ |
1af12a7d AB |
1178 | mi_set_logging, /* set_logging_proc */ |
1179 | mi_command_loop /* command_loop_proc */ | |
2b03b41d | 1180 | }; |
4a8f6654 | 1181 | |
2fcf52f0 | 1182 | /* The various interpreter levels. */ |
4801a9a3 PA |
1183 | interp_add (interp_new (INTERP_MI1, &procs)); |
1184 | interp_add (interp_new (INTERP_MI2, &procs)); | |
1185 | interp_add (interp_new (INTERP_MI3, &procs)); | |
1186 | interp_add (interp_new (INTERP_MI, &procs)); | |
4a8f6654 | 1187 | } |