| 1 | /* MI Interpreter Definitions and Commands for GDB, the GNU debugger. |
| 2 | |
| 3 | Copyright (C) 2002-2015 Free Software Foundation, Inc. |
| 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 |
| 9 | the Free Software Foundation; either version 3 of the License, or |
| 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 |
| 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | #include "defs.h" |
| 21 | #include "interps.h" |
| 22 | #include "event-top.h" |
| 23 | #include "event-loop.h" |
| 24 | #include "inferior.h" |
| 25 | #include "infrun.h" |
| 26 | #include "ui-out.h" |
| 27 | #include "top.h" |
| 28 | #include "mi-main.h" |
| 29 | #include "mi-cmds.h" |
| 30 | #include "mi-out.h" |
| 31 | #include "mi-console.h" |
| 32 | #include "mi-common.h" |
| 33 | #include "observer.h" |
| 34 | #include "gdbthread.h" |
| 35 | #include "solist.h" |
| 36 | #include "gdb.h" |
| 37 | #include "objfiles.h" |
| 38 | #include "tracepoint.h" |
| 39 | #include "cli-out.h" |
| 40 | |
| 41 | /* These are the interpreter setup, etc. functions for the MI |
| 42 | interpreter. */ |
| 43 | |
| 44 | static void mi_execute_command_wrapper (const char *cmd); |
| 45 | static void mi_execute_command_input_handler (char *cmd); |
| 46 | static void mi_command_loop (void *data); |
| 47 | |
| 48 | /* These are hooks that we put in place while doing interpreter_exec |
| 49 | so we can report interesting things that happened "behind the MI's |
| 50 | back" in this command. */ |
| 51 | |
| 52 | static int mi_interp_query_hook (const char *ctlstr, va_list ap) |
| 53 | ATTRIBUTE_PRINTF (1, 0); |
| 54 | |
| 55 | static void mi_insert_notify_hooks (void); |
| 56 | static void mi_remove_notify_hooks (void); |
| 57 | |
| 58 | static void mi_on_signal_received (enum gdb_signal siggnal); |
| 59 | static void mi_on_end_stepping_range (void); |
| 60 | static void mi_on_signal_exited (enum gdb_signal siggnal); |
| 61 | static void mi_on_exited (int exitstatus); |
| 62 | static void mi_on_normal_stop (struct bpstats *bs, int print_frame); |
| 63 | static void mi_on_no_history (void); |
| 64 | |
| 65 | static void mi_new_thread (struct thread_info *t); |
| 66 | static void mi_thread_exit (struct thread_info *t, int silent); |
| 67 | static void mi_record_changed (struct inferior*, int); |
| 68 | static void mi_inferior_added (struct inferior *inf); |
| 69 | static void mi_inferior_appeared (struct inferior *inf); |
| 70 | static void mi_inferior_exit (struct inferior *inf); |
| 71 | static void mi_inferior_removed (struct inferior *inf); |
| 72 | static void mi_on_resume (ptid_t ptid); |
| 73 | static void mi_solib_loaded (struct so_list *solib); |
| 74 | static void mi_solib_unloaded (struct so_list *solib); |
| 75 | static void mi_about_to_proceed (void); |
| 76 | static void mi_traceframe_changed (int tfnum, int tpnum); |
| 77 | static void mi_tsv_created (const struct trace_state_variable *tsv); |
| 78 | static void mi_tsv_deleted (const struct trace_state_variable *tsv); |
| 79 | static void mi_tsv_modified (const struct trace_state_variable *tsv); |
| 80 | static void mi_breakpoint_created (struct breakpoint *b); |
| 81 | static void mi_breakpoint_deleted (struct breakpoint *b); |
| 82 | static void mi_breakpoint_modified (struct breakpoint *b); |
| 83 | static void mi_command_param_changed (const char *param, const char *value); |
| 84 | static void mi_memory_changed (struct inferior *inf, CORE_ADDR memaddr, |
| 85 | ssize_t len, const bfd_byte *myaddr); |
| 86 | static void mi_on_sync_execution_done (void); |
| 87 | |
| 88 | static int report_initial_inferior (struct inferior *inf, void *closure); |
| 89 | |
| 90 | static void * |
| 91 | mi_interpreter_init (struct interp *interp, int top_level) |
| 92 | { |
| 93 | struct mi_interp *mi = XNEW (struct mi_interp); |
| 94 | const char *name; |
| 95 | int mi_version; |
| 96 | |
| 97 | /* Assign the output channel created at startup to its own global, |
| 98 | so that we can create a console channel that encapsulates and |
| 99 | prefixes all gdb_output-type bits coming from the rest of the |
| 100 | debugger. */ |
| 101 | |
| 102 | raw_stdout = gdb_stdout; |
| 103 | |
| 104 | /* Create MI console channels, each with a different prefix so they |
| 105 | can be distinguished. */ |
| 106 | mi->out = mi_console_file_new (raw_stdout, "~", '"'); |
| 107 | mi->err = mi_console_file_new (raw_stdout, "&", '"'); |
| 108 | mi->log = mi->err; |
| 109 | mi->targ = mi_console_file_new (raw_stdout, "@", '"'); |
| 110 | mi->event_channel = mi_console_file_new (raw_stdout, "=", 0); |
| 111 | |
| 112 | name = interp_name (interp); |
| 113 | /* INTERP_MI selects the most recent released version. "mi2" was |
| 114 | released as part of GDB 6.0. */ |
| 115 | if (strcmp (name, INTERP_MI) == 0) |
| 116 | mi_version = 2; |
| 117 | else if (strcmp (name, INTERP_MI1) == 0) |
| 118 | mi_version = 1; |
| 119 | else if (strcmp (name, INTERP_MI2) == 0) |
| 120 | mi_version = 2; |
| 121 | else if (strcmp (name, INTERP_MI3) == 0) |
| 122 | mi_version = 3; |
| 123 | else |
| 124 | gdb_assert_not_reached ("unhandled MI version"); |
| 125 | |
| 126 | mi->mi_uiout = mi_out_new (mi_version); |
| 127 | mi->cli_uiout = cli_out_new (mi->out); |
| 128 | |
| 129 | /* There are installed even if MI is not the top level interpreter. |
| 130 | The callbacks themselves decide whether to be skipped. */ |
| 131 | observer_attach_signal_received (mi_on_signal_received); |
| 132 | observer_attach_end_stepping_range (mi_on_end_stepping_range); |
| 133 | observer_attach_signal_exited (mi_on_signal_exited); |
| 134 | observer_attach_exited (mi_on_exited); |
| 135 | observer_attach_no_history (mi_on_no_history); |
| 136 | |
| 137 | if (top_level) |
| 138 | { |
| 139 | observer_attach_new_thread (mi_new_thread); |
| 140 | observer_attach_thread_exit (mi_thread_exit); |
| 141 | observer_attach_inferior_added (mi_inferior_added); |
| 142 | observer_attach_inferior_appeared (mi_inferior_appeared); |
| 143 | observer_attach_inferior_exit (mi_inferior_exit); |
| 144 | observer_attach_inferior_removed (mi_inferior_removed); |
| 145 | observer_attach_record_changed (mi_record_changed); |
| 146 | observer_attach_normal_stop (mi_on_normal_stop); |
| 147 | observer_attach_target_resumed (mi_on_resume); |
| 148 | observer_attach_solib_loaded (mi_solib_loaded); |
| 149 | observer_attach_solib_unloaded (mi_solib_unloaded); |
| 150 | observer_attach_about_to_proceed (mi_about_to_proceed); |
| 151 | observer_attach_traceframe_changed (mi_traceframe_changed); |
| 152 | observer_attach_tsv_created (mi_tsv_created); |
| 153 | observer_attach_tsv_deleted (mi_tsv_deleted); |
| 154 | observer_attach_tsv_modified (mi_tsv_modified); |
| 155 | observer_attach_breakpoint_created (mi_breakpoint_created); |
| 156 | observer_attach_breakpoint_deleted (mi_breakpoint_deleted); |
| 157 | observer_attach_breakpoint_modified (mi_breakpoint_modified); |
| 158 | observer_attach_command_param_changed (mi_command_param_changed); |
| 159 | observer_attach_memory_changed (mi_memory_changed); |
| 160 | observer_attach_sync_execution_done (mi_on_sync_execution_done); |
| 161 | |
| 162 | /* The initial inferior is created before this function is |
| 163 | called, so we need to report it explicitly. Use iteration in |
| 164 | case future version of GDB creates more than one inferior |
| 165 | up-front. */ |
| 166 | iterate_over_inferiors (report_initial_inferior, mi); |
| 167 | } |
| 168 | |
| 169 | return mi; |
| 170 | } |
| 171 | |
| 172 | static int |
| 173 | mi_interpreter_resume (void *data) |
| 174 | { |
| 175 | struct mi_interp *mi = data; |
| 176 | |
| 177 | /* As per hack note in mi_interpreter_init, swap in the output |
| 178 | channels... */ |
| 179 | gdb_setup_readline (); |
| 180 | |
| 181 | /* These overwrite some of the initialization done in |
| 182 | _intialize_event_loop. */ |
| 183 | call_readline = gdb_readline2; |
| 184 | input_handler = mi_execute_command_input_handler; |
| 185 | async_command_editing_p = 0; |
| 186 | /* FIXME: This is a total hack for now. PB's use of the MI |
| 187 | implicitly relies on a bug in the async support which allows |
| 188 | asynchronous commands to leak through the commmand loop. The bug |
| 189 | involves (but is not limited to) the fact that sync_execution was |
| 190 | erroneously initialized to 0. Duplicate by initializing it thus |
| 191 | here... */ |
| 192 | sync_execution = 0; |
| 193 | |
| 194 | gdb_stdout = mi->out; |
| 195 | /* Route error and log output through the MI. */ |
| 196 | gdb_stderr = mi->err; |
| 197 | gdb_stdlog = mi->log; |
| 198 | /* Route target output through the MI. */ |
| 199 | gdb_stdtarg = mi->targ; |
| 200 | /* Route target error through the MI as well. */ |
| 201 | gdb_stdtargerr = mi->targ; |
| 202 | |
| 203 | /* Replace all the hooks that we know about. There really needs to |
| 204 | be a better way of doing this... */ |
| 205 | clear_interpreter_hooks (); |
| 206 | |
| 207 | deprecated_show_load_progress = mi_load_progress; |
| 208 | |
| 209 | return 1; |
| 210 | } |
| 211 | |
| 212 | static int |
| 213 | mi_interpreter_suspend (void *data) |
| 214 | { |
| 215 | gdb_disable_readline (); |
| 216 | return 1; |
| 217 | } |
| 218 | |
| 219 | static struct gdb_exception |
| 220 | mi_interpreter_exec (void *data, const char *command) |
| 221 | { |
| 222 | mi_execute_command_wrapper (command); |
| 223 | return exception_none; |
| 224 | } |
| 225 | |
| 226 | void |
| 227 | mi_cmd_interpreter_exec (char *command, char **argv, int argc) |
| 228 | { |
| 229 | struct interp *interp_to_use; |
| 230 | int i; |
| 231 | char *mi_error_message = NULL; |
| 232 | struct cleanup *old_chain; |
| 233 | |
| 234 | if (argc < 2) |
| 235 | error (_("-interpreter-exec: " |
| 236 | "Usage: -interpreter-exec interp command")); |
| 237 | |
| 238 | interp_to_use = interp_lookup (argv[0]); |
| 239 | if (interp_to_use == NULL) |
| 240 | error (_("-interpreter-exec: could not find interpreter \"%s\""), |
| 241 | argv[0]); |
| 242 | |
| 243 | /* Note that unlike the CLI version of this command, we don't |
| 244 | actually set INTERP_TO_USE as the current interpreter, as we |
| 245 | still want gdb_stdout, etc. to point at MI streams. */ |
| 246 | |
| 247 | /* Insert the MI out hooks, making sure to also call the |
| 248 | interpreter's hooks if it has any. */ |
| 249 | /* KRS: We shouldn't need this... Events should be installed and |
| 250 | they should just ALWAYS fire something out down the MI |
| 251 | channel. */ |
| 252 | mi_insert_notify_hooks (); |
| 253 | |
| 254 | /* Now run the code. */ |
| 255 | |
| 256 | old_chain = make_cleanup (null_cleanup, 0); |
| 257 | for (i = 1; i < argc; i++) |
| 258 | { |
| 259 | struct gdb_exception e = interp_exec (interp_to_use, argv[i]); |
| 260 | |
| 261 | if (e.reason < 0) |
| 262 | { |
| 263 | mi_error_message = xstrdup (e.message); |
| 264 | make_cleanup (xfree, mi_error_message); |
| 265 | break; |
| 266 | } |
| 267 | } |
| 268 | |
| 269 | mi_remove_notify_hooks (); |
| 270 | |
| 271 | if (mi_error_message != NULL) |
| 272 | error ("%s", mi_error_message); |
| 273 | do_cleanups (old_chain); |
| 274 | } |
| 275 | |
| 276 | /* This inserts a number of hooks that are meant to produce |
| 277 | async-notify ("=") MI messages while running commands in another |
| 278 | interpreter using mi_interpreter_exec. The canonical use for this |
| 279 | is to allow access to the gdb CLI interpreter from within the MI, |
| 280 | while still producing MI style output when actions in the CLI |
| 281 | command change GDB's state. */ |
| 282 | |
| 283 | static void |
| 284 | mi_insert_notify_hooks (void) |
| 285 | { |
| 286 | deprecated_query_hook = mi_interp_query_hook; |
| 287 | } |
| 288 | |
| 289 | static void |
| 290 | mi_remove_notify_hooks (void) |
| 291 | { |
| 292 | deprecated_query_hook = NULL; |
| 293 | } |
| 294 | |
| 295 | static int |
| 296 | mi_interp_query_hook (const char *ctlstr, va_list ap) |
| 297 | { |
| 298 | return 1; |
| 299 | } |
| 300 | |
| 301 | static void |
| 302 | mi_execute_command_wrapper (const char *cmd) |
| 303 | { |
| 304 | mi_execute_command (cmd, stdin == instream); |
| 305 | } |
| 306 | |
| 307 | /* Observer for the synchronous_command_done notification. */ |
| 308 | |
| 309 | static void |
| 310 | mi_on_sync_execution_done (void) |
| 311 | { |
| 312 | /* MI generally prints a prompt after a command, indicating it's |
| 313 | ready for further input. However, due to an historical wart, if |
| 314 | MI async, and a (CLI) synchronous command was issued, then we |
| 315 | will print the prompt right after printing "^running", even if we |
| 316 | cannot actually accept any input until the target stops. See |
| 317 | mi_on_resume. However, if the target is async but MI is sync, |
| 318 | then we need to output the MI prompt now, to replicate gdb's |
| 319 | behavior when neither the target nor MI are async. (Note this |
| 320 | observer is only called by the asynchronous target event handling |
| 321 | code.) */ |
| 322 | if (!mi_async_p ()) |
| 323 | { |
| 324 | fputs_unfiltered ("(gdb) \n", raw_stdout); |
| 325 | gdb_flush (raw_stdout); |
| 326 | } |
| 327 | } |
| 328 | |
| 329 | /* mi_execute_command_wrapper wrapper suitable for INPUT_HANDLER. */ |
| 330 | |
| 331 | static void |
| 332 | mi_execute_command_input_handler (char *cmd) |
| 333 | { |
| 334 | mi_execute_command_wrapper (cmd); |
| 335 | |
| 336 | /* MI generally prints a prompt after a command, indicating it's |
| 337 | ready for further input. However, due to an historical wart, if |
| 338 | MI is async, and a synchronous command was issued, then we will |
| 339 | print the prompt right after printing "^running", even if we |
| 340 | cannot actually accept any input until the target stops. See |
| 341 | mi_on_resume. |
| 342 | |
| 343 | If MI is not async, then we print the prompt when the command |
| 344 | finishes. If the target is sync, that means output the prompt |
| 345 | now, as in that case executing a command doesn't return until the |
| 346 | command is done. However, if the target is async, we go back to |
| 347 | the event loop and output the prompt in the |
| 348 | 'synchronous_command_done' observer. */ |
| 349 | if (!target_is_async_p () || !sync_execution) |
| 350 | { |
| 351 | fputs_unfiltered ("(gdb) \n", raw_stdout); |
| 352 | gdb_flush (raw_stdout); |
| 353 | } |
| 354 | } |
| 355 | |
| 356 | static void |
| 357 | mi_command_loop (void *data) |
| 358 | { |
| 359 | /* Turn off 8 bit strings in quoted output. Any character with the |
| 360 | high bit set is printed using C's octal format. */ |
| 361 | sevenbit_strings = 1; |
| 362 | |
| 363 | /* Tell the world that we're alive. */ |
| 364 | fputs_unfiltered ("(gdb) \n", raw_stdout); |
| 365 | gdb_flush (raw_stdout); |
| 366 | |
| 367 | start_event_loop (); |
| 368 | } |
| 369 | |
| 370 | static void |
| 371 | mi_new_thread (struct thread_info *t) |
| 372 | { |
| 373 | struct mi_interp *mi = top_level_interpreter_data (); |
| 374 | struct inferior *inf = find_inferior_ptid (t->ptid); |
| 375 | |
| 376 | gdb_assert (inf); |
| 377 | |
| 378 | fprintf_unfiltered (mi->event_channel, |
| 379 | "thread-created,id=\"%d\",group-id=\"i%d\"", |
| 380 | t->num, inf->num); |
| 381 | gdb_flush (mi->event_channel); |
| 382 | } |
| 383 | |
| 384 | static void |
| 385 | mi_thread_exit (struct thread_info *t, int silent) |
| 386 | { |
| 387 | struct mi_interp *mi; |
| 388 | struct inferior *inf; |
| 389 | struct cleanup *old_chain; |
| 390 | |
| 391 | if (silent) |
| 392 | return; |
| 393 | |
| 394 | inf = find_inferior_ptid (t->ptid); |
| 395 | |
| 396 | mi = top_level_interpreter_data (); |
| 397 | old_chain = make_cleanup_restore_target_terminal (); |
| 398 | target_terminal_ours (); |
| 399 | fprintf_unfiltered (mi->event_channel, |
| 400 | "thread-exited,id=\"%d\",group-id=\"i%d\"", |
| 401 | t->num, inf->num); |
| 402 | gdb_flush (mi->event_channel); |
| 403 | |
| 404 | do_cleanups (old_chain); |
| 405 | } |
| 406 | |
| 407 | /* Emit notification on changing the state of record. */ |
| 408 | |
| 409 | static void |
| 410 | mi_record_changed (struct inferior *inferior, int started) |
| 411 | { |
| 412 | struct mi_interp *mi = top_level_interpreter_data (); |
| 413 | |
| 414 | fprintf_unfiltered (mi->event_channel, "record-%s,thread-group=\"i%d\"", |
| 415 | started ? "started" : "stopped", inferior->num); |
| 416 | |
| 417 | gdb_flush (mi->event_channel); |
| 418 | } |
| 419 | |
| 420 | static void |
| 421 | mi_inferior_added (struct inferior *inf) |
| 422 | { |
| 423 | struct mi_interp *mi = top_level_interpreter_data (); |
| 424 | |
| 425 | target_terminal_ours (); |
| 426 | fprintf_unfiltered (mi->event_channel, |
| 427 | "thread-group-added,id=\"i%d\"", |
| 428 | inf->num); |
| 429 | gdb_flush (mi->event_channel); |
| 430 | } |
| 431 | |
| 432 | static void |
| 433 | mi_inferior_appeared (struct inferior *inf) |
| 434 | { |
| 435 | struct mi_interp *mi = top_level_interpreter_data (); |
| 436 | |
| 437 | target_terminal_ours (); |
| 438 | fprintf_unfiltered (mi->event_channel, |
| 439 | "thread-group-started,id=\"i%d\",pid=\"%d\"", |
| 440 | inf->num, inf->pid); |
| 441 | gdb_flush (mi->event_channel); |
| 442 | } |
| 443 | |
| 444 | static void |
| 445 | mi_inferior_exit (struct inferior *inf) |
| 446 | { |
| 447 | struct mi_interp *mi = top_level_interpreter_data (); |
| 448 | |
| 449 | target_terminal_ours (); |
| 450 | if (inf->has_exit_code) |
| 451 | fprintf_unfiltered (mi->event_channel, |
| 452 | "thread-group-exited,id=\"i%d\",exit-code=\"%s\"", |
| 453 | inf->num, int_string (inf->exit_code, 8, 0, 0, 1)); |
| 454 | else |
| 455 | fprintf_unfiltered (mi->event_channel, |
| 456 | "thread-group-exited,id=\"i%d\"", inf->num); |
| 457 | |
| 458 | gdb_flush (mi->event_channel); |
| 459 | } |
| 460 | |
| 461 | static void |
| 462 | mi_inferior_removed (struct inferior *inf) |
| 463 | { |
| 464 | struct mi_interp *mi = top_level_interpreter_data (); |
| 465 | |
| 466 | target_terminal_ours (); |
| 467 | fprintf_unfiltered (mi->event_channel, |
| 468 | "thread-group-removed,id=\"i%d\"", |
| 469 | inf->num); |
| 470 | gdb_flush (mi->event_channel); |
| 471 | } |
| 472 | |
| 473 | /* Cleanup that restores a previous current uiout. */ |
| 474 | |
| 475 | static void |
| 476 | restore_current_uiout_cleanup (void *arg) |
| 477 | { |
| 478 | struct ui_out *saved_uiout = arg; |
| 479 | |
| 480 | current_uiout = saved_uiout; |
| 481 | } |
| 482 | |
| 483 | /* Return the MI interpreter, if it is active -- either because it's |
| 484 | the top-level interpreter or the interpreter executing the current |
| 485 | command. Returns NULL if the MI interpreter is not being used. */ |
| 486 | |
| 487 | static struct interp * |
| 488 | find_mi_interpreter (void) |
| 489 | { |
| 490 | struct interp *interp; |
| 491 | |
| 492 | interp = top_level_interpreter (); |
| 493 | if (ui_out_is_mi_like_p (interp_ui_out (interp))) |
| 494 | return interp; |
| 495 | |
| 496 | interp = command_interp (); |
| 497 | if (ui_out_is_mi_like_p (interp_ui_out (interp))) |
| 498 | return interp; |
| 499 | |
| 500 | return NULL; |
| 501 | } |
| 502 | |
| 503 | /* Return the MI_INTERP structure of the active MI interpreter. |
| 504 | Returns NULL if MI is not active. */ |
| 505 | |
| 506 | static struct mi_interp * |
| 507 | mi_interp_data (void) |
| 508 | { |
| 509 | struct interp *interp = find_mi_interpreter (); |
| 510 | |
| 511 | if (interp != NULL) |
| 512 | return interp_data (interp); |
| 513 | return NULL; |
| 514 | } |
| 515 | |
| 516 | /* Observers for several run control events that print why the |
| 517 | inferior has stopped to both the the MI event channel and to the MI |
| 518 | console. If the MI interpreter is not active, print nothing. */ |
| 519 | |
| 520 | /* Observer for the signal_received notification. */ |
| 521 | |
| 522 | static void |
| 523 | mi_on_signal_received (enum gdb_signal siggnal) |
| 524 | { |
| 525 | struct mi_interp *mi = mi_interp_data (); |
| 526 | |
| 527 | if (mi == NULL) |
| 528 | return; |
| 529 | |
| 530 | print_signal_received_reason (mi->mi_uiout, siggnal); |
| 531 | print_signal_received_reason (mi->cli_uiout, siggnal); |
| 532 | } |
| 533 | |
| 534 | /* Observer for the end_stepping_range notification. */ |
| 535 | |
| 536 | static void |
| 537 | mi_on_end_stepping_range (void) |
| 538 | { |
| 539 | struct mi_interp *mi = mi_interp_data (); |
| 540 | |
| 541 | if (mi == NULL) |
| 542 | return; |
| 543 | |
| 544 | print_end_stepping_range_reason (mi->mi_uiout); |
| 545 | print_end_stepping_range_reason (mi->cli_uiout); |
| 546 | } |
| 547 | |
| 548 | /* Observer for the signal_exited notification. */ |
| 549 | |
| 550 | static void |
| 551 | mi_on_signal_exited (enum gdb_signal siggnal) |
| 552 | { |
| 553 | struct mi_interp *mi = mi_interp_data (); |
| 554 | |
| 555 | if (mi == NULL) |
| 556 | return; |
| 557 | |
| 558 | print_signal_exited_reason (mi->mi_uiout, siggnal); |
| 559 | print_signal_exited_reason (mi->cli_uiout, siggnal); |
| 560 | } |
| 561 | |
| 562 | /* Observer for the exited notification. */ |
| 563 | |
| 564 | static void |
| 565 | mi_on_exited (int exitstatus) |
| 566 | { |
| 567 | struct mi_interp *mi = mi_interp_data (); |
| 568 | |
| 569 | if (mi == NULL) |
| 570 | return; |
| 571 | |
| 572 | print_exited_reason (mi->mi_uiout, exitstatus); |
| 573 | print_exited_reason (mi->cli_uiout, exitstatus); |
| 574 | } |
| 575 | |
| 576 | /* Observer for the no_history notification. */ |
| 577 | |
| 578 | static void |
| 579 | mi_on_no_history (void) |
| 580 | { |
| 581 | struct mi_interp *mi = mi_interp_data (); |
| 582 | |
| 583 | if (mi == NULL) |
| 584 | return; |
| 585 | |
| 586 | print_no_history_reason (mi->mi_uiout); |
| 587 | print_no_history_reason (mi->cli_uiout); |
| 588 | } |
| 589 | |
| 590 | static void |
| 591 | mi_on_normal_stop (struct bpstats *bs, int print_frame) |
| 592 | { |
| 593 | /* Since this can be called when CLI command is executing, |
| 594 | using cli interpreter, be sure to use MI uiout for output, |
| 595 | not the current one. */ |
| 596 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); |
| 597 | |
| 598 | if (print_frame) |
| 599 | { |
| 600 | int core; |
| 601 | |
| 602 | if (current_uiout != mi_uiout) |
| 603 | { |
| 604 | /* The normal_stop function has printed frame information |
| 605 | into CLI uiout, or some other non-MI uiout. There's no |
| 606 | way we can extract proper fields from random uiout |
| 607 | object, so we print the frame again. In practice, this |
| 608 | can only happen when running a CLI command in MI. */ |
| 609 | struct ui_out *saved_uiout = current_uiout; |
| 610 | struct target_waitstatus last; |
| 611 | ptid_t last_ptid; |
| 612 | |
| 613 | current_uiout = mi_uiout; |
| 614 | |
| 615 | get_last_target_status (&last_ptid, &last); |
| 616 | print_stop_event (&last); |
| 617 | |
| 618 | current_uiout = saved_uiout; |
| 619 | } |
| 620 | /* Otherwise, frame information has already been printed by |
| 621 | normal_stop. */ |
| 622 | else |
| 623 | { |
| 624 | /* Breakpoint hits should always be mirrored to the console. |
| 625 | Deciding what to mirror to the console wrt to breakpoints |
| 626 | and random stops gets messy real fast. E.g., say "s" |
| 627 | trips on a breakpoint. We'd clearly want to mirror the |
| 628 | event to the console in this case. But what about more |
| 629 | complicated cases like "s&; thread n; s&", and one of |
| 630 | those steps spawning a new thread, and that thread |
| 631 | hitting a breakpoint? It's impossible in general to |
| 632 | track whether the thread had any relation to the commands |
| 633 | that had been executed. So we just simplify and always |
| 634 | mirror breakpoints and random events to the console. |
| 635 | |
| 636 | Also, CLI execution commands (-interpreter-exec console |
| 637 | "next", for example) in async mode have the opposite |
| 638 | issue as described in the "then" branch above -- |
| 639 | normal_stop has already printed frame information to MI |
| 640 | uiout, but nothing has printed the same information to |
| 641 | the CLI channel. We should print the source line to the |
| 642 | console when stepping or other similar commands, iff the |
| 643 | step was started by a console command (but not if it was |
| 644 | started with -exec-step or similar). */ |
| 645 | struct thread_info *tp = inferior_thread (); |
| 646 | |
| 647 | if ((!tp->control.stop_step |
| 648 | && !tp->control.proceed_to_finish) |
| 649 | || (tp->control.command_interp != NULL |
| 650 | && tp->control.command_interp != top_level_interpreter ())) |
| 651 | { |
| 652 | struct mi_interp *mi = top_level_interpreter_data (); |
| 653 | struct target_waitstatus last; |
| 654 | ptid_t last_ptid; |
| 655 | struct cleanup *old_chain; |
| 656 | |
| 657 | /* Set the current uiout to CLI uiout temporarily. */ |
| 658 | old_chain = make_cleanup (restore_current_uiout_cleanup, |
| 659 | current_uiout); |
| 660 | current_uiout = mi->cli_uiout; |
| 661 | |
| 662 | get_last_target_status (&last_ptid, &last); |
| 663 | print_stop_event (&last); |
| 664 | |
| 665 | do_cleanups (old_chain); |
| 666 | } |
| 667 | } |
| 668 | |
| 669 | ui_out_field_int (mi_uiout, "thread-id", |
| 670 | pid_to_thread_id (inferior_ptid)); |
| 671 | if (non_stop) |
| 672 | { |
| 673 | struct cleanup *back_to = make_cleanup_ui_out_list_begin_end |
| 674 | (mi_uiout, "stopped-threads"); |
| 675 | |
| 676 | ui_out_field_int (mi_uiout, NULL, |
| 677 | pid_to_thread_id (inferior_ptid)); |
| 678 | do_cleanups (back_to); |
| 679 | } |
| 680 | else |
| 681 | ui_out_field_string (mi_uiout, "stopped-threads", "all"); |
| 682 | |
| 683 | core = target_core_of_thread (inferior_ptid); |
| 684 | if (core != -1) |
| 685 | ui_out_field_int (mi_uiout, "core", core); |
| 686 | } |
| 687 | |
| 688 | fputs_unfiltered ("*stopped", raw_stdout); |
| 689 | mi_out_put (mi_uiout, raw_stdout); |
| 690 | mi_out_rewind (mi_uiout); |
| 691 | mi_print_timing_maybe (); |
| 692 | fputs_unfiltered ("\n", raw_stdout); |
| 693 | gdb_flush (raw_stdout); |
| 694 | } |
| 695 | |
| 696 | static void |
| 697 | mi_about_to_proceed (void) |
| 698 | { |
| 699 | /* Suppress output while calling an inferior function. */ |
| 700 | |
| 701 | if (!ptid_equal (inferior_ptid, null_ptid)) |
| 702 | { |
| 703 | struct thread_info *tp = inferior_thread (); |
| 704 | |
| 705 | if (tp->control.in_infcall) |
| 706 | return; |
| 707 | } |
| 708 | |
| 709 | mi_proceeded = 1; |
| 710 | } |
| 711 | |
| 712 | /* When the element is non-zero, no MI notifications will be emitted in |
| 713 | response to the corresponding observers. */ |
| 714 | |
| 715 | struct mi_suppress_notification mi_suppress_notification = |
| 716 | { |
| 717 | 0, |
| 718 | 0, |
| 719 | 0, |
| 720 | }; |
| 721 | |
| 722 | /* Emit notification on changing a traceframe. */ |
| 723 | |
| 724 | static void |
| 725 | mi_traceframe_changed (int tfnum, int tpnum) |
| 726 | { |
| 727 | struct mi_interp *mi = top_level_interpreter_data (); |
| 728 | |
| 729 | if (mi_suppress_notification.traceframe) |
| 730 | return; |
| 731 | |
| 732 | target_terminal_ours (); |
| 733 | |
| 734 | if (tfnum >= 0) |
| 735 | fprintf_unfiltered (mi->event_channel, "traceframe-changed," |
| 736 | "num=\"%d\",tracepoint=\"%d\"\n", |
| 737 | tfnum, tpnum); |
| 738 | else |
| 739 | fprintf_unfiltered (mi->event_channel, "traceframe-changed,end"); |
| 740 | |
| 741 | gdb_flush (mi->event_channel); |
| 742 | } |
| 743 | |
| 744 | /* Emit notification on creating a trace state variable. */ |
| 745 | |
| 746 | static void |
| 747 | mi_tsv_created (const struct trace_state_variable *tsv) |
| 748 | { |
| 749 | struct mi_interp *mi = top_level_interpreter_data (); |
| 750 | |
| 751 | target_terminal_ours (); |
| 752 | |
| 753 | fprintf_unfiltered (mi->event_channel, "tsv-created," |
| 754 | "name=\"%s\",initial=\"%s\"\n", |
| 755 | tsv->name, plongest (tsv->initial_value)); |
| 756 | |
| 757 | gdb_flush (mi->event_channel); |
| 758 | } |
| 759 | |
| 760 | /* Emit notification on deleting a trace state variable. */ |
| 761 | |
| 762 | static void |
| 763 | mi_tsv_deleted (const struct trace_state_variable *tsv) |
| 764 | { |
| 765 | struct mi_interp *mi = top_level_interpreter_data (); |
| 766 | |
| 767 | target_terminal_ours (); |
| 768 | |
| 769 | if (tsv != NULL) |
| 770 | fprintf_unfiltered (mi->event_channel, "tsv-deleted," |
| 771 | "name=\"%s\"\n", tsv->name); |
| 772 | else |
| 773 | fprintf_unfiltered (mi->event_channel, "tsv-deleted\n"); |
| 774 | |
| 775 | gdb_flush (mi->event_channel); |
| 776 | } |
| 777 | |
| 778 | /* Emit notification on modifying a trace state variable. */ |
| 779 | |
| 780 | static void |
| 781 | mi_tsv_modified (const struct trace_state_variable *tsv) |
| 782 | { |
| 783 | struct mi_interp *mi = top_level_interpreter_data (); |
| 784 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); |
| 785 | |
| 786 | target_terminal_ours (); |
| 787 | |
| 788 | fprintf_unfiltered (mi->event_channel, |
| 789 | "tsv-modified"); |
| 790 | |
| 791 | ui_out_redirect (mi_uiout, mi->event_channel); |
| 792 | |
| 793 | ui_out_field_string (mi_uiout, "name", tsv->name); |
| 794 | ui_out_field_string (mi_uiout, "initial", |
| 795 | plongest (tsv->initial_value)); |
| 796 | if (tsv->value_known) |
| 797 | ui_out_field_string (mi_uiout, "current", plongest (tsv->value)); |
| 798 | |
| 799 | ui_out_redirect (mi_uiout, NULL); |
| 800 | |
| 801 | gdb_flush (mi->event_channel); |
| 802 | } |
| 803 | |
| 804 | /* Emit notification about a created breakpoint. */ |
| 805 | |
| 806 | static void |
| 807 | mi_breakpoint_created (struct breakpoint *b) |
| 808 | { |
| 809 | struct mi_interp *mi = top_level_interpreter_data (); |
| 810 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); |
| 811 | |
| 812 | if (mi_suppress_notification.breakpoint) |
| 813 | return; |
| 814 | |
| 815 | if (b->number <= 0) |
| 816 | return; |
| 817 | |
| 818 | target_terminal_ours (); |
| 819 | fprintf_unfiltered (mi->event_channel, |
| 820 | "breakpoint-created"); |
| 821 | /* We want the output from gdb_breakpoint_query to go to |
| 822 | mi->event_channel. One approach would be to just call |
| 823 | gdb_breakpoint_query, and then use mi_out_put to send the current |
| 824 | content of mi_outout into mi->event_channel. However, that will |
| 825 | break if anything is output to mi_uiout prior to calling the |
| 826 | breakpoint_created notifications. So, we use |
| 827 | ui_out_redirect. */ |
| 828 | ui_out_redirect (mi_uiout, mi->event_channel); |
| 829 | TRY |
| 830 | { |
| 831 | gdb_breakpoint_query (mi_uiout, b->number, NULL); |
| 832 | } |
| 833 | CATCH (e, RETURN_MASK_ERROR) |
| 834 | { |
| 835 | } |
| 836 | END_CATCH |
| 837 | |
| 838 | ui_out_redirect (mi_uiout, NULL); |
| 839 | |
| 840 | gdb_flush (mi->event_channel); |
| 841 | } |
| 842 | |
| 843 | /* Emit notification about deleted breakpoint. */ |
| 844 | |
| 845 | static void |
| 846 | mi_breakpoint_deleted (struct breakpoint *b) |
| 847 | { |
| 848 | struct mi_interp *mi = top_level_interpreter_data (); |
| 849 | |
| 850 | if (mi_suppress_notification.breakpoint) |
| 851 | return; |
| 852 | |
| 853 | if (b->number <= 0) |
| 854 | return; |
| 855 | |
| 856 | target_terminal_ours (); |
| 857 | |
| 858 | fprintf_unfiltered (mi->event_channel, "breakpoint-deleted,id=\"%d\"", |
| 859 | b->number); |
| 860 | |
| 861 | gdb_flush (mi->event_channel); |
| 862 | } |
| 863 | |
| 864 | /* Emit notification about modified breakpoint. */ |
| 865 | |
| 866 | static void |
| 867 | mi_breakpoint_modified (struct breakpoint *b) |
| 868 | { |
| 869 | struct mi_interp *mi = top_level_interpreter_data (); |
| 870 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); |
| 871 | |
| 872 | if (mi_suppress_notification.breakpoint) |
| 873 | return; |
| 874 | |
| 875 | if (b->number <= 0) |
| 876 | return; |
| 877 | |
| 878 | target_terminal_ours (); |
| 879 | fprintf_unfiltered (mi->event_channel, |
| 880 | "breakpoint-modified"); |
| 881 | /* We want the output from gdb_breakpoint_query to go to |
| 882 | mi->event_channel. One approach would be to just call |
| 883 | gdb_breakpoint_query, and then use mi_out_put to send the current |
| 884 | content of mi_outout into mi->event_channel. However, that will |
| 885 | break if anything is output to mi_uiout prior to calling the |
| 886 | breakpoint_created notifications. So, we use |
| 887 | ui_out_redirect. */ |
| 888 | ui_out_redirect (mi_uiout, mi->event_channel); |
| 889 | TRY |
| 890 | { |
| 891 | gdb_breakpoint_query (mi_uiout, b->number, NULL); |
| 892 | } |
| 893 | CATCH (e, RETURN_MASK_ERROR) |
| 894 | { |
| 895 | } |
| 896 | END_CATCH |
| 897 | |
| 898 | ui_out_redirect (mi_uiout, NULL); |
| 899 | |
| 900 | gdb_flush (mi->event_channel); |
| 901 | } |
| 902 | |
| 903 | static int |
| 904 | mi_output_running_pid (struct thread_info *info, void *arg) |
| 905 | { |
| 906 | ptid_t *ptid = arg; |
| 907 | |
| 908 | if (ptid_get_pid (*ptid) == ptid_get_pid (info->ptid)) |
| 909 | fprintf_unfiltered (raw_stdout, |
| 910 | "*running,thread-id=\"%d\"\n", |
| 911 | info->num); |
| 912 | |
| 913 | return 0; |
| 914 | } |
| 915 | |
| 916 | static int |
| 917 | mi_inferior_count (struct inferior *inf, void *arg) |
| 918 | { |
| 919 | if (inf->pid != 0) |
| 920 | { |
| 921 | int *count_p = arg; |
| 922 | (*count_p)++; |
| 923 | } |
| 924 | |
| 925 | return 0; |
| 926 | } |
| 927 | |
| 928 | static void |
| 929 | mi_on_resume (ptid_t ptid) |
| 930 | { |
| 931 | struct thread_info *tp = NULL; |
| 932 | |
| 933 | if (ptid_equal (ptid, minus_one_ptid) || ptid_is_pid (ptid)) |
| 934 | tp = inferior_thread (); |
| 935 | else |
| 936 | tp = find_thread_ptid (ptid); |
| 937 | |
| 938 | /* Suppress output while calling an inferior function. */ |
| 939 | if (tp->control.in_infcall) |
| 940 | return; |
| 941 | |
| 942 | /* To cater for older frontends, emit ^running, but do it only once |
| 943 | per each command. We do it here, since at this point we know |
| 944 | that the target was successfully resumed, and in non-async mode, |
| 945 | we won't return back to MI interpreter code until the target |
| 946 | is done running, so delaying the output of "^running" until then |
| 947 | will make it impossible for frontend to know what's going on. |
| 948 | |
| 949 | In future (MI3), we'll be outputting "^done" here. */ |
| 950 | if (!running_result_record_printed && mi_proceeded) |
| 951 | { |
| 952 | fprintf_unfiltered (raw_stdout, "%s^running\n", |
| 953 | current_token ? current_token : ""); |
| 954 | } |
| 955 | |
| 956 | if (ptid_get_pid (ptid) == -1) |
| 957 | fprintf_unfiltered (raw_stdout, "*running,thread-id=\"all\"\n"); |
| 958 | else if (ptid_is_pid (ptid)) |
| 959 | { |
| 960 | int count = 0; |
| 961 | |
| 962 | /* Backwards compatibility. If there's only one inferior, |
| 963 | output "all", otherwise, output each resumed thread |
| 964 | individually. */ |
| 965 | iterate_over_inferiors (mi_inferior_count, &count); |
| 966 | |
| 967 | if (count == 1) |
| 968 | fprintf_unfiltered (raw_stdout, "*running,thread-id=\"all\"\n"); |
| 969 | else |
| 970 | iterate_over_threads (mi_output_running_pid, &ptid); |
| 971 | } |
| 972 | else |
| 973 | { |
| 974 | struct thread_info *ti = find_thread_ptid (ptid); |
| 975 | |
| 976 | gdb_assert (ti); |
| 977 | fprintf_unfiltered (raw_stdout, "*running,thread-id=\"%d\"\n", ti->num); |
| 978 | } |
| 979 | |
| 980 | if (!running_result_record_printed && mi_proceeded) |
| 981 | { |
| 982 | running_result_record_printed = 1; |
| 983 | /* This is what gdb used to do historically -- printing prompt even if |
| 984 | it cannot actually accept any input. This will be surely removed |
| 985 | for MI3, and may be removed even earlier. SYNC_EXECUTION is |
| 986 | checked here because we only need to emit a prompt if a |
| 987 | synchronous command was issued when the target is async. */ |
| 988 | if (!target_is_async_p () || sync_execution) |
| 989 | fputs_unfiltered ("(gdb) \n", raw_stdout); |
| 990 | } |
| 991 | gdb_flush (raw_stdout); |
| 992 | } |
| 993 | |
| 994 | static void |
| 995 | mi_solib_loaded (struct so_list *solib) |
| 996 | { |
| 997 | struct mi_interp *mi = top_level_interpreter_data (); |
| 998 | struct ui_out *uiout = interp_ui_out (top_level_interpreter ()); |
| 999 | |
| 1000 | target_terminal_ours (); |
| 1001 | |
| 1002 | fprintf_unfiltered (mi->event_channel, "library-loaded"); |
| 1003 | |
| 1004 | ui_out_redirect (uiout, mi->event_channel); |
| 1005 | |
| 1006 | ui_out_field_string (uiout, "id", solib->so_original_name); |
| 1007 | ui_out_field_string (uiout, "target-name", solib->so_original_name); |
| 1008 | ui_out_field_string (uiout, "host-name", solib->so_name); |
| 1009 | ui_out_field_int (uiout, "symbols-loaded", solib->symbols_loaded); |
| 1010 | if (!gdbarch_has_global_solist (target_gdbarch ())) |
| 1011 | { |
| 1012 | ui_out_field_fmt (uiout, "thread-group", "i%d", current_inferior ()->num); |
| 1013 | } |
| 1014 | |
| 1015 | ui_out_redirect (uiout, NULL); |
| 1016 | |
| 1017 | gdb_flush (mi->event_channel); |
| 1018 | } |
| 1019 | |
| 1020 | static void |
| 1021 | mi_solib_unloaded (struct so_list *solib) |
| 1022 | { |
| 1023 | struct mi_interp *mi = top_level_interpreter_data (); |
| 1024 | struct ui_out *uiout = interp_ui_out (top_level_interpreter ()); |
| 1025 | |
| 1026 | target_terminal_ours (); |
| 1027 | |
| 1028 | fprintf_unfiltered (mi->event_channel, "library-unloaded"); |
| 1029 | |
| 1030 | ui_out_redirect (uiout, mi->event_channel); |
| 1031 | |
| 1032 | ui_out_field_string (uiout, "id", solib->so_original_name); |
| 1033 | ui_out_field_string (uiout, "target-name", solib->so_original_name); |
| 1034 | ui_out_field_string (uiout, "host-name", solib->so_name); |
| 1035 | if (!gdbarch_has_global_solist (target_gdbarch ())) |
| 1036 | { |
| 1037 | ui_out_field_fmt (uiout, "thread-group", "i%d", current_inferior ()->num); |
| 1038 | } |
| 1039 | |
| 1040 | ui_out_redirect (uiout, NULL); |
| 1041 | |
| 1042 | gdb_flush (mi->event_channel); |
| 1043 | } |
| 1044 | |
| 1045 | /* Emit notification about the command parameter change. */ |
| 1046 | |
| 1047 | static void |
| 1048 | mi_command_param_changed (const char *param, const char *value) |
| 1049 | { |
| 1050 | struct mi_interp *mi = top_level_interpreter_data (); |
| 1051 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); |
| 1052 | |
| 1053 | if (mi_suppress_notification.cmd_param_changed) |
| 1054 | return; |
| 1055 | |
| 1056 | target_terminal_ours (); |
| 1057 | |
| 1058 | fprintf_unfiltered (mi->event_channel, |
| 1059 | "cmd-param-changed"); |
| 1060 | |
| 1061 | ui_out_redirect (mi_uiout, mi->event_channel); |
| 1062 | |
| 1063 | ui_out_field_string (mi_uiout, "param", param); |
| 1064 | ui_out_field_string (mi_uiout, "value", value); |
| 1065 | |
| 1066 | ui_out_redirect (mi_uiout, NULL); |
| 1067 | |
| 1068 | gdb_flush (mi->event_channel); |
| 1069 | } |
| 1070 | |
| 1071 | /* Emit notification about the target memory change. */ |
| 1072 | |
| 1073 | static void |
| 1074 | mi_memory_changed (struct inferior *inferior, CORE_ADDR memaddr, |
| 1075 | ssize_t len, const bfd_byte *myaddr) |
| 1076 | { |
| 1077 | struct mi_interp *mi = top_level_interpreter_data (); |
| 1078 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); |
| 1079 | struct obj_section *sec; |
| 1080 | |
| 1081 | if (mi_suppress_notification.memory) |
| 1082 | return; |
| 1083 | |
| 1084 | target_terminal_ours (); |
| 1085 | |
| 1086 | fprintf_unfiltered (mi->event_channel, |
| 1087 | "memory-changed"); |
| 1088 | |
| 1089 | ui_out_redirect (mi_uiout, mi->event_channel); |
| 1090 | |
| 1091 | ui_out_field_fmt (mi_uiout, "thread-group", "i%d", inferior->num); |
| 1092 | ui_out_field_core_addr (mi_uiout, "addr", target_gdbarch (), memaddr); |
| 1093 | ui_out_field_fmt (mi_uiout, "len", "%s", hex_string (len)); |
| 1094 | |
| 1095 | /* Append 'type=code' into notification if MEMADDR falls in the range of |
| 1096 | sections contain code. */ |
| 1097 | sec = find_pc_section (memaddr); |
| 1098 | if (sec != NULL && sec->objfile != NULL) |
| 1099 | { |
| 1100 | flagword flags = bfd_get_section_flags (sec->objfile->obfd, |
| 1101 | sec->the_bfd_section); |
| 1102 | |
| 1103 | if (flags & SEC_CODE) |
| 1104 | ui_out_field_string (mi_uiout, "type", "code"); |
| 1105 | } |
| 1106 | |
| 1107 | ui_out_redirect (mi_uiout, NULL); |
| 1108 | |
| 1109 | gdb_flush (mi->event_channel); |
| 1110 | } |
| 1111 | |
| 1112 | static int |
| 1113 | report_initial_inferior (struct inferior *inf, void *closure) |
| 1114 | { |
| 1115 | /* This function is called from mi_intepreter_init, and since |
| 1116 | mi_inferior_added assumes that inferior is fully initialized |
| 1117 | and top_level_interpreter_data is set, we cannot call |
| 1118 | it here. */ |
| 1119 | struct mi_interp *mi = closure; |
| 1120 | |
| 1121 | target_terminal_ours (); |
| 1122 | fprintf_unfiltered (mi->event_channel, |
| 1123 | "thread-group-added,id=\"i%d\"", |
| 1124 | inf->num); |
| 1125 | gdb_flush (mi->event_channel); |
| 1126 | return 0; |
| 1127 | } |
| 1128 | |
| 1129 | static struct ui_out * |
| 1130 | mi_ui_out (struct interp *interp) |
| 1131 | { |
| 1132 | struct mi_interp *mi = interp_data (interp); |
| 1133 | |
| 1134 | return mi->mi_uiout; |
| 1135 | } |
| 1136 | |
| 1137 | /* Save the original value of raw_stdout here when logging, so we can |
| 1138 | restore correctly when done. */ |
| 1139 | |
| 1140 | static struct ui_file *saved_raw_stdout; |
| 1141 | |
| 1142 | /* Do MI-specific logging actions; save raw_stdout, and change all |
| 1143 | the consoles to use the supplied ui-file(s). */ |
| 1144 | |
| 1145 | static int |
| 1146 | mi_set_logging (struct interp *interp, int start_log, |
| 1147 | struct ui_file *out, struct ui_file *logfile) |
| 1148 | { |
| 1149 | struct mi_interp *mi = interp_data (interp); |
| 1150 | |
| 1151 | if (!mi) |
| 1152 | return 0; |
| 1153 | |
| 1154 | if (start_log) |
| 1155 | { |
| 1156 | /* The tee created already is based on gdb_stdout, which for MI |
| 1157 | is a console and so we end up in an infinite loop of console |
| 1158 | writing to ui_file writing to console etc. So discard the |
| 1159 | existing tee (it hasn't been used yet, and MI won't ever use |
| 1160 | it), and create one based on raw_stdout instead. */ |
| 1161 | if (logfile) |
| 1162 | { |
| 1163 | ui_file_delete (out); |
| 1164 | out = tee_file_new (raw_stdout, 0, logfile, 0); |
| 1165 | } |
| 1166 | |
| 1167 | saved_raw_stdout = raw_stdout; |
| 1168 | raw_stdout = out; |
| 1169 | } |
| 1170 | else |
| 1171 | { |
| 1172 | raw_stdout = saved_raw_stdout; |
| 1173 | saved_raw_stdout = NULL; |
| 1174 | } |
| 1175 | |
| 1176 | mi_console_set_raw (mi->out, raw_stdout); |
| 1177 | mi_console_set_raw (mi->err, raw_stdout); |
| 1178 | mi_console_set_raw (mi->log, raw_stdout); |
| 1179 | mi_console_set_raw (mi->targ, raw_stdout); |
| 1180 | mi_console_set_raw (mi->event_channel, raw_stdout); |
| 1181 | |
| 1182 | return 1; |
| 1183 | } |
| 1184 | |
| 1185 | extern initialize_file_ftype _initialize_mi_interp; /* -Wmissing-prototypes */ |
| 1186 | |
| 1187 | void |
| 1188 | _initialize_mi_interp (void) |
| 1189 | { |
| 1190 | static const struct interp_procs procs = |
| 1191 | { |
| 1192 | mi_interpreter_init, /* init_proc */ |
| 1193 | mi_interpreter_resume, /* resume_proc */ |
| 1194 | mi_interpreter_suspend, /* suspend_proc */ |
| 1195 | mi_interpreter_exec, /* exec_proc */ |
| 1196 | mi_ui_out, /* ui_out_proc */ |
| 1197 | mi_set_logging, /* set_logging_proc */ |
| 1198 | mi_command_loop /* command_loop_proc */ |
| 1199 | }; |
| 1200 | |
| 1201 | /* The various interpreter levels. */ |
| 1202 | interp_add (interp_new (INTERP_MI1, &procs)); |
| 1203 | interp_add (interp_new (INTERP_MI2, &procs)); |
| 1204 | interp_add (interp_new (INTERP_MI3, &procs)); |
| 1205 | interp_add (interp_new (INTERP_MI, &procs)); |
| 1206 | } |