gdb/mi/mi-interp.c

   1 /* MI Interpreter Definitions and Commands for GDB, the GNU debugger.
   2
   3    Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011
   4    Free Software Foundation, Inc.
   5
   6    This file is part of GDB.
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  20
  21 #include "defs.h"
  22 #include "gdb_string.h"
  23 #include "interps.h"
  24 #include "event-top.h"
  25 #include "event-loop.h"
  26 #include "inferior.h"
  27 #include "ui-out.h"
  28 #include "top.h"
  29 #include "exceptions.h"
  30 #include "mi-main.h"
  31 #include "mi-cmds.h"
  32 #include "mi-out.h"
  33 #include "mi-console.h"
  34 #include "mi-common.h"
  35 #include "observer.h"
  36 #include "gdbthread.h"
  37 #include "solist.h"
  38 #include "gdb.h"
  39
  40 /* These are the interpreter setup, etc. functions for the MI interpreter */
  41 static void mi_execute_command_wrapper (char *cmd);
  42 static void mi_command_loop (int mi_version);
  43
  44 /* These are hooks that we put in place while doing interpreter_exec
  45    so we can report interesting things that happened "behind the mi's
  46    back" in this command */
  47 static int mi_interp_query_hook (const char *ctlstr, va_list ap)
  48      ATTRIBUTE_PRINTF (1, 0);
  49
  50 static void mi3_command_loop (void);
  51 static void mi2_command_loop (void);
  52 static void mi1_command_loop (void);
  53
  54 static void mi_insert_notify_hooks (void);
  55 static void mi_remove_notify_hooks (void);
  56 static void mi_on_normal_stop (struct bpstats *bs, int print_frame);
  57
  58 static void mi_new_thread (struct thread_info *t);
  59 static void mi_thread_exit (struct thread_info *t, int silent);
  60 static void mi_inferior_added (struct inferior *inf);
  61 static void mi_inferior_appeared (struct inferior *inf);
  62 static void mi_inferior_exit (struct inferior *inf);
  63 static void mi_inferior_removed (struct inferior *inf);
  64 static void mi_on_resume (ptid_t ptid);
  65 static void mi_solib_loaded (struct so_list *solib);
  66 static void mi_solib_unloaded (struct so_list *solib);
  67 static void mi_about_to_proceed (void);
  68 static void mi_breakpoint_created (struct breakpoint *b);
  69 static void mi_breakpoint_deleted (struct breakpoint *b);
  70 static void mi_breakpoint_modified (struct breakpoint *b);
  71
  72 static int report_initial_inferior (struct inferior *inf, void *closure);
  73
  74 static void *
  75 mi_interpreter_init (struct interp *interp, int top_level)
  76 {
  77   struct mi_interp *mi = XMALLOC (struct mi_interp);
  78   const char *name;
  79   int mi_version;
  80
  81   /* HACK: We need to force stdout/stderr to point at the console.  This avoids
  82      any potential side effects caused by legacy code that is still
  83      using the TUI / fputs_unfiltered_hook.  So we set up output channels for
  84      this now, and swap them in when we are run. */
  85
  86   raw_stdout = stdio_fileopen (stdout);
  87
  88   /* Create MI channels */
  89   mi->out = mi_console_file_new (raw_stdout, "~", '"');
  90   mi->err = mi_console_file_new (raw_stdout, "&", '"');
  91   mi->log = mi->err;
  92   mi->targ = mi_console_file_new (raw_stdout, "@", '"');
  93   mi->event_channel = mi_console_file_new (raw_stdout, "=", 0);
  94
  95   name = interp_name (interp);
  96   /* INTERP_MI selects the most recent released version.  "mi2" was
  97      released as part of GDB 6.0.  */
  98   if (strcmp (name, INTERP_MI) == 0)
  99     mi_version = 2;
 100   else if (strcmp (name, INTERP_MI1) == 0)
 101     mi_version = 1;
 102   else if (strcmp (name, INTERP_MI2) == 0)
 103     mi_version = 2;
 104   else if (strcmp (name, INTERP_MI3) == 0)
 105     mi_version = 3;
 106   else
 107     gdb_assert_not_reached ("unhandled MI version");
 108
 109   mi->uiout = mi_out_new (mi_version);
 110
 111   if (top_level)
 112     {
 113       observer_attach_new_thread (mi_new_thread);
 114       observer_attach_thread_exit (mi_thread_exit);
 115       observer_attach_inferior_added (mi_inferior_added);
 116       observer_attach_inferior_appeared (mi_inferior_appeared);
 117       observer_attach_inferior_exit (mi_inferior_exit);
 118       observer_attach_inferior_removed (mi_inferior_removed);
 119       observer_attach_normal_stop (mi_on_normal_stop);
 120       observer_attach_target_resumed (mi_on_resume);
 121       observer_attach_solib_loaded (mi_solib_loaded);
 122       observer_attach_solib_unloaded (mi_solib_unloaded);
 123       observer_attach_about_to_proceed (mi_about_to_proceed);
 124       observer_attach_breakpoint_created (mi_breakpoint_created);
 125       observer_attach_breakpoint_deleted (mi_breakpoint_deleted);
 126       observer_attach_breakpoint_modified (mi_breakpoint_modified);
 127
 128       /* The initial inferior is created before this function is called, so we
 129          need to report it explicitly.  Use iteration in case future version
 130          of GDB creates more than one inferior up-front.  */
 131       iterate_over_inferiors (report_initial_inferior, mi);
 132     }
 133
 134   return mi;
 135 }
 136
 137 static int
 138 mi_interpreter_resume (void *data)
 139 {
 140   struct mi_interp *mi = data;
 141
 142   /* As per hack note in mi_interpreter_init, swap in the output channels... */
 143   gdb_setup_readline ();
 144
 145   /* These overwrite some of the initialization done in
 146      _intialize_event_loop.  */
 147   call_readline = gdb_readline2;
 148   input_handler = mi_execute_command_wrapper;
 149   add_file_handler (input_fd, stdin_event_handler, 0);
 150   async_command_editing_p = 0;
 151   /* FIXME: This is a total hack for now.  PB's use of the MI
 152      implicitly relies on a bug in the async support which allows
 153      asynchronous commands to leak through the commmand loop.  The bug
 154      involves (but is not limited to) the fact that sync_execution was
 155      erroneously initialized to 0.  Duplicate by initializing it thus
 156      here...  */
 157   sync_execution = 0;
 158
 159   gdb_stdout = mi->out;
 160   /* Route error and log output through the MI */
 161   gdb_stderr = mi->err;
 162   gdb_stdlog = mi->log;
 163   /* Route target output through the MI. */
 164   gdb_stdtarg = mi->targ;
 165   /* Route target error through the MI as well. */
 166   gdb_stdtargerr = mi->targ;
 167
 168   /* Replace all the hooks that we know about.  There really needs to
 169      be a better way of doing this... */
 170   clear_interpreter_hooks ();
 171
 172   deprecated_show_load_progress = mi_load_progress;
 173
 174   /* If we're _the_ interpreter, take control. */
 175   if (current_interp_named_p (INTERP_MI1))
 176     deprecated_command_loop_hook = mi1_command_loop;
 177   else if (current_interp_named_p (INTERP_MI2))
 178     deprecated_command_loop_hook = mi2_command_loop;
 179   else if (current_interp_named_p (INTERP_MI3))
 180     deprecated_command_loop_hook = mi3_command_loop;
 181   else
 182     deprecated_command_loop_hook = mi2_command_loop;
 183
 184   return 1;
 185 }
 186
 187 static int
 188 mi_interpreter_suspend (void *data)
 189 {
 190   gdb_disable_readline ();
 191   return 1;
 192 }
 193
 194 static struct gdb_exception
 195 mi_interpreter_exec (void *data, const char *command)
 196 {
 197   char *tmp = alloca (strlen (command) + 1);
 198
 199   strcpy (tmp, command);
 200   mi_execute_command_wrapper (tmp);
 201   return exception_none;
 202 }
 203
 204 /* Never display the default gdb prompt in mi case.  */
 205 static int
 206 mi_interpreter_prompt_p (void *data)
 207 {
 208   return 0;
 209 }
 210
 211 void
 212 mi_cmd_interpreter_exec (char *command, char **argv, int argc)
 213 {
 214   struct interp *interp_to_use;
 215   int i;
 216   char *mi_error_message = NULL;
 217   struct cleanup *old_chain;
 218
 219   if (argc < 2)
 220     error (_("-interpreter-exec: "
 221              "Usage: -interpreter-exec interp command"));
 222
 223   interp_to_use = interp_lookup (argv[0]);
 224   if (interp_to_use == NULL)
 225     error (_("-interpreter-exec: could not find interpreter \"%s\""),
 226            argv[0]);
 227
 228   if (!interp_exec_p (interp_to_use))
 229     error (_("-interpreter-exec: interpreter \"%s\" "
 230              "does not support command execution"),
 231               argv[0]);
 232
 233   /* Insert the MI out hooks, making sure to also call the interpreter's hooks
 234      if it has any. */
 235   /* KRS: We shouldn't need this... Events should be installed and they should
 236      just ALWAYS fire something out down the MI channel... */
 237   mi_insert_notify_hooks ();
 238
 239   /* Now run the code... */
 240
 241   old_chain = make_cleanup (null_cleanup, 0);
 242   for (i = 1; i < argc; i++)
 243     {
 244       struct gdb_exception e = interp_exec (interp_to_use, argv[i]);
 245
 246       if (e.reason < 0)
 247         {
 248           mi_error_message = xstrdup (e.message);
 249           make_cleanup (xfree, mi_error_message);
 250           break;
 251         }
 252     }
 253
 254   mi_remove_notify_hooks ();
 255
 256   if (mi_error_message != NULL)
 257     error ("%s", mi_error_message);
 258   do_cleanups (old_chain);
 259 }
 260
 261 /*
 262  * mi_insert_notify_hooks - This inserts a number of hooks that are
 263  * meant to produce async-notify ("=") MI messages while running
 264  * commands in another interpreter using mi_interpreter_exec.  The
 265  * canonical use for this is to allow access to the gdb CLI
 266  * interpreter from within the MI, while still producing MI style
 267  * output when actions in the CLI command change gdb's state.
 268 */
 269
 270 static void
 271 mi_insert_notify_hooks (void)
 272 {
 273   deprecated_query_hook = mi_interp_query_hook;
 274 }
 275
 276 static void
 277 mi_remove_notify_hooks (void)
 278 {
 279   deprecated_query_hook = NULL;
 280 }
 281
 282 static int
 283 mi_interp_query_hook (const char *ctlstr, va_list ap)
 284 {
 285   return 1;
 286 }
 287
 288 static void
 289 mi_execute_command_wrapper (char *cmd)
 290 {
 291   mi_execute_command (cmd, stdin == instream);
 292 }
 293
 294 static void
 295 mi1_command_loop (void)
 296 {
 297   mi_command_loop (1);
 298 }
 299
 300 static void
 301 mi2_command_loop (void)
 302 {
 303   mi_command_loop (2);
 304 }
 305
 306 static void
 307 mi3_command_loop (void)
 308 {
 309   mi_command_loop (3);
 310 }
 311
 312 static void
 313 mi_command_loop (int mi_version)
 314 {
 315   /* Turn off 8 bit strings in quoted output.  Any character with the
 316      high bit set is printed using C's octal format. */
 317   sevenbit_strings = 1;
 318   /* Tell the world that we're alive */
 319   fputs_unfiltered ("(gdb) \n", raw_stdout);
 320   gdb_flush (raw_stdout);
 321   start_event_loop ();
 322 }
 323
 324 static void
 325 mi_new_thread (struct thread_info *t)
 326 {
 327   struct mi_interp *mi = top_level_interpreter_data ();
 328   struct inferior *inf = find_inferior_pid (ptid_get_pid (t->ptid));
 329
 330   gdb_assert (inf);
 331
 332   fprintf_unfiltered (mi->event_channel,
 333                       "thread-created,id=\"%d\",group-id=\"i%d\"",
 334                       t->num, inf->num);
 335   gdb_flush (mi->event_channel);
 336 }
 337
 338 static void
 339 mi_thread_exit (struct thread_info *t, int silent)
 340 {
 341   struct mi_interp *mi;
 342   struct inferior *inf;
 343
 344   if (silent)
 345     return;
 346
 347   inf = find_inferior_pid (ptid_get_pid (t->ptid));
 348
 349   mi = top_level_interpreter_data ();
 350   target_terminal_ours ();
 351   fprintf_unfiltered (mi->event_channel,
 352                       "thread-exited,id=\"%d\",group-id=\"i%d\"",
 353                       t->num, inf->num);
 354   gdb_flush (mi->event_channel);
 355 }
 356
 357 static void
 358 mi_inferior_added (struct inferior *inf)
 359 {
 360   struct mi_interp *mi = top_level_interpreter_data ();
 361
 362   target_terminal_ours ();
 363   fprintf_unfiltered (mi->event_channel,
 364                       "thread-group-added,id=\"i%d\"",
 365                       inf->num);
 366   gdb_flush (mi->event_channel);
 367 }
 368
 369 static void
 370 mi_inferior_appeared (struct inferior *inf)
 371 {
 372   struct mi_interp *mi = top_level_interpreter_data ();
 373
 374   target_terminal_ours ();
 375   fprintf_unfiltered (mi->event_channel,
 376                       "thread-group-started,id=\"i%d\",pid=\"%d\"",
 377                       inf->num, inf->pid);
 378   gdb_flush (mi->event_channel);
 379 }
 380
 381 static void
 382 mi_inferior_exit (struct inferior *inf)
 383 {
 384   struct mi_interp *mi = top_level_interpreter_data ();
 385
 386   target_terminal_ours ();
 387   if (inf->has_exit_code)
 388     fprintf_unfiltered (mi->event_channel,
 389                         "thread-group-exited,id=\"i%d\",exit-code=\"%s\"",
 390                         inf->num, int_string (inf->exit_code, 8, 0, 0, 1));
 391   else
 392     fprintf_unfiltered (mi->event_channel,
 393                         "thread-group-exited,id=\"i%d\"", inf->num);
 394
 395   gdb_flush (mi->event_channel);
 396 }
 397
 398 static void
 399 mi_inferior_removed (struct inferior *inf)
 400 {
 401   struct mi_interp *mi = top_level_interpreter_data ();
 402
 403   target_terminal_ours ();
 404   fprintf_unfiltered (mi->event_channel,
 405                       "thread-group-removed,id=\"i%d\"",
 406                       inf->num);
 407   gdb_flush (mi->event_channel);
 408 }
 409
 410 static void
 411 mi_on_normal_stop (struct bpstats *bs, int print_frame)
 412 {
 413   /* Since this can be called when CLI command is executing,
 414      using cli interpreter, be sure to use MI uiout for output,
 415      not the current one.  */
 416   struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ());
 417
 418   if (print_frame)
 419     {
 420       int core;
 421
 422       if (current_uiout != mi_uiout)
 423         {
 424           /* The normal_stop function has printed frame information into
 425              CLI uiout, or some other non-MI uiout.  There's no way we
 426              can extract proper fields from random uiout object, so we print
 427              the frame again.  In practice, this can only happen when running
 428              a CLI command in MI.  */
 429           struct ui_out *saved_uiout = current_uiout;
 430
 431           current_uiout = mi_uiout;
 432           print_stack_frame (get_selected_frame (NULL), 0, SRC_AND_LOC);
 433           current_uiout = saved_uiout;
 434         }
 435
 436       ui_out_field_int (mi_uiout, "thread-id",
 437                         pid_to_thread_id (inferior_ptid));
 438       if (non_stop)
 439         {
 440           struct cleanup *back_to = make_cleanup_ui_out_list_begin_end
 441             (mi_uiout, "stopped-threads");
 442
 443           ui_out_field_int (mi_uiout, NULL,
 444                             pid_to_thread_id (inferior_ptid));
 445           do_cleanups (back_to);
 446         }
 447       else
 448         ui_out_field_string (mi_uiout, "stopped-threads", "all");
 449
 450       core = target_core_of_thread (inferior_ptid);
 451       if (core != -1)
 452         ui_out_field_int (mi_uiout, "core", core);
 453     }
 454
 455   fputs_unfiltered ("*stopped", raw_stdout);
 456   mi_out_put (mi_uiout, raw_stdout);
 457   mi_out_rewind (mi_uiout);
 458   mi_print_timing_maybe ();
 459   fputs_unfiltered ("\n", raw_stdout);
 460   gdb_flush (raw_stdout);
 461 }
 462
 463 static void
 464 mi_about_to_proceed (void)
 465 {
 466   /* Suppress output while calling an inferior function.  */
 467
 468   if (!ptid_equal (inferior_ptid, null_ptid))
 469     {
 470       struct thread_info *tp = inferior_thread ();
 471
 472       if (tp->control.in_infcall)
 473         return;
 474     }
 475
 476   mi_proceeded = 1;
 477 }
 478
 479 /* When non-zero, no MI notifications will be emitted in
 480    response to breakpoint change observers.  */
 481 int mi_suppress_breakpoint_notifications = 0;
 482
 483 /* Emit notification about a created breakpoint.  */
 484 static void
 485 mi_breakpoint_created (struct breakpoint *b)
 486 {
 487   struct mi_interp *mi = top_level_interpreter_data ();
 488   struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ());
 489   struct gdb_exception e;
 490
 491   if (mi_suppress_breakpoint_notifications)
 492     return;
 493
 494   if (b->number <= 0)
 495     return;
 496
 497   target_terminal_ours ();
 498   fprintf_unfiltered (mi->event_channel,
 499                       "breakpoint-created");
 500   /* We want the output from gdb_breakpoint_query to go to
 501      mi->event_channel.  One approach would be to just
 502      call gdb_breakpoint_query, and then use mi_out_put to
 503      send the current content of mi_outout into mi->event_channel.
 504      However, that will break if anything is output to mi_uiout
 505      prior the calling the breakpoint_created notifications.
 506      So, we use ui_out_redirect.  */
 507   ui_out_redirect (mi_uiout, mi->event_channel);
 508   TRY_CATCH (e, RETURN_MASK_ERROR)
 509     gdb_breakpoint_query (mi_uiout, b->number, NULL);
 510   ui_out_redirect (mi_uiout, NULL);
 511
 512   gdb_flush (mi->event_channel);
 513 }
 514
 515 /* Emit notification about deleted breakpoint.  */
 516 static void
 517 mi_breakpoint_deleted (struct breakpoint *b)
 518 {
 519   struct mi_interp *mi = top_level_interpreter_data ();
 520
 521   if (mi_suppress_breakpoint_notifications)
 522     return;
 523
 524   if (b->number <= 0)
 525     return;
 526
 527   target_terminal_ours ();
 528
 529   fprintf_unfiltered (mi->event_channel, "breakpoint-deleted,id=\"%d\"",
 530                       b->number);
 531
 532   gdb_flush (mi->event_channel);
 533 }
 534
 535 /* Emit notification about modified breakpoint.  */
 536 static void
 537 mi_breakpoint_modified (struct breakpoint *b)
 538 {
 539   struct mi_interp *mi = top_level_interpreter_data ();
 540   struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ());
 541   struct gdb_exception e;
 542
 543   if (mi_suppress_breakpoint_notifications)
 544     return;
 545
 546   if (b->number <= 0)
 547     return;
 548
 549   target_terminal_ours ();
 550   fprintf_unfiltered (mi->event_channel,
 551                       "breakpoint-modified");
 552   /* We want the output from gdb_breakpoint_query to go to
 553      mi->event_channel.  One approach would be to just
 554      call gdb_breakpoint_query, and then use mi_out_put to
 555      send the current content of mi_outout into mi->event_channel.
 556      However, that will break if anything is output to mi_uiout
 557      prior the calling the breakpoint_created notifications.
 558      So, we use ui_out_redirect.  */
 559   ui_out_redirect (mi_uiout, mi->event_channel);
 560   TRY_CATCH (e, RETURN_MASK_ERROR)
 561     gdb_breakpoint_query (mi_uiout, b->number, NULL);
 562   ui_out_redirect (mi_uiout, NULL);
 563
 564   gdb_flush (mi->event_channel);
 565 }
 566
 567
 568 static int
 569 mi_output_running_pid (struct thread_info *info, void *arg)
 570 {
 571   ptid_t *ptid = arg;
 572
 573   if (ptid_get_pid (*ptid) == ptid_get_pid (info->ptid))
 574     fprintf_unfiltered (raw_stdout,
 575                         "*running,thread-id=\"%d\"\n",
 576                         info->num);
 577
 578   return 0;
 579 }
 580
 581 static int
 582 mi_inferior_count (struct inferior *inf, void *arg)
 583 {
 584   if (inf->pid != 0)
 585     {
 586       int *count_p = arg;
 587       (*count_p)++;
 588     }
 589
 590   return 0;
 591 }
 592
 593 static void
 594 mi_on_resume (ptid_t ptid)
 595 {
 596   struct thread_info *tp = NULL;
 597
 598   if (ptid_equal (ptid, minus_one_ptid) || ptid_is_pid (ptid))
 599     tp = inferior_thread ();
 600   else
 601     tp = find_thread_ptid (ptid);
 602
 603   /* Suppress output while calling an inferior function.  */
 604   if (tp->control.in_infcall)
 605     return;
 606
 607   /* To cater for older frontends, emit ^running, but do it only once
 608      per each command.  We do it here, since at this point we know
 609      that the target was successfully resumed, and in non-async mode,
 610      we won't return back to MI interpreter code until the target
 611      is done running, so delaying the output of "^running" until then
 612      will make it impossible for frontend to know what's going on.
 613
 614      In future (MI3), we'll be outputting "^done" here.  */
 615   if (!running_result_record_printed && mi_proceeded)
 616     {
 617       fprintf_unfiltered (raw_stdout, "%s^running\n",
 618                           current_token ? current_token : "");
 619     }
 620
 621   if (PIDGET (ptid) == -1)
 622     fprintf_unfiltered (raw_stdout, "*running,thread-id=\"all\"\n");
 623   else if (ptid_is_pid (ptid))
 624     {
 625       int count = 0;
 626
 627       /* Backwards compatibility.  If there's only one inferior,
 628          output "all", otherwise, output each resumed thread
 629          individually.  */
 630       iterate_over_inferiors (mi_inferior_count, &count);
 631
 632       if (count == 1)
 633         fprintf_unfiltered (raw_stdout, "*running,thread-id=\"all\"\n");
 634       else
 635         iterate_over_threads (mi_output_running_pid, &ptid);
 636     }
 637   else
 638     {
 639       struct thread_info *ti = find_thread_ptid (ptid);
 640
 641       gdb_assert (ti);
 642       fprintf_unfiltered (raw_stdout, "*running,thread-id=\"%d\"\n", ti->num);
 643     }
 644
 645   if (!running_result_record_printed && mi_proceeded)
 646     {
 647       running_result_record_printed = 1;
 648       /* This is what gdb used to do historically -- printing prompt even if
 649          it cannot actually accept any input.  This will be surely removed
 650          for MI3, and may be removed even earler.  */
 651       /* FIXME: review the use of target_is_async_p here -- is that
 652          what we want? */
 653       if (!target_is_async_p ())
 654         fputs_unfiltered ("(gdb) \n", raw_stdout);
 655     }
 656   gdb_flush (raw_stdout);
 657 }
 658
 659 static void
 660 mi_solib_loaded (struct so_list *solib)
 661 {
 662   struct mi_interp *mi = top_level_interpreter_data ();
 663
 664   target_terminal_ours ();
 665   if (gdbarch_has_global_solist (target_gdbarch))
 666     fprintf_unfiltered (mi->event_channel,
 667                         "library-loaded,id=\"%s\",target-name=\"%s\","
 668                         "host-name=\"%s\",symbols-loaded=\"%d\"",
 669                         solib->so_original_name, solib->so_original_name,
 670                         solib->so_name, solib->symbols_loaded);
 671   else
 672     fprintf_unfiltered (mi->event_channel,
 673                         "library-loaded,id=\"%s\",target-name=\"%s\","
 674                         "host-name=\"%s\",symbols-loaded=\"%d\","
 675                         "thread-group=\"i%d\"",
 676                         solib->so_original_name, solib->so_original_name,
 677                         solib->so_name, solib->symbols_loaded,
 678                         current_inferior ()->num);
 679
 680   gdb_flush (mi->event_channel);
 681 }
 682
 683 static void
 684 mi_solib_unloaded (struct so_list *solib)
 685 {
 686   struct mi_interp *mi = top_level_interpreter_data ();
 687
 688   target_terminal_ours ();
 689   if (gdbarch_has_global_solist (target_gdbarch))
 690     fprintf_unfiltered (mi->event_channel,
 691                         "library-unloaded,id=\"%s\",target-name=\"%s\","
 692                         "host-name=\"%s\"",
 693                         solib->so_original_name, solib->so_original_name,
 694                         solib->so_name);
 695   else
 696     fprintf_unfiltered (mi->event_channel,
 697                         "library-unloaded,id=\"%s\",target-name=\"%s\","
 698                         "host-name=\"%s\",thread-group=\"i%d\"",
 699                         solib->so_original_name, solib->so_original_name,
 700                         solib->so_name, current_inferior ()->num);
 701
 702   gdb_flush (mi->event_channel);
 703 }
 704
 705 static int
 706 report_initial_inferior (struct inferior *inf, void *closure)
 707 {
 708   /* This function is called from mi_intepreter_init, and since
 709      mi_inferior_added assumes that inferior is fully initialized
 710      and top_level_interpreter_data is set, we cannot call
 711      it here.  */
 712   struct mi_interp *mi = closure;
 713
 714   target_terminal_ours ();
 715   fprintf_unfiltered (mi->event_channel,
 716                       "thread-group-added,id=\"i%d\"",
 717                       inf->num);
 718   gdb_flush (mi->event_channel);
 719   return 0;
 720 }
 721
 722 static struct ui_out *
 723 mi_ui_out (struct interp *interp)
 724 {
 725   struct mi_interp *mi = interp_data (interp);
 726
 727   return mi->uiout;
 728 }
 729
 730 extern initialize_file_ftype _initialize_mi_interp; /* -Wmissing-prototypes */
 731
 732 void
 733 _initialize_mi_interp (void)
 734 {
 735   static const struct interp_procs procs =
 736   {
 737     mi_interpreter_init,        /* init_proc */
 738     mi_interpreter_resume,      /* resume_proc */
 739     mi_interpreter_suspend,     /* suspend_proc */
 740     mi_interpreter_exec,        /* exec_proc */
 741     mi_interpreter_prompt_p,    /* prompt_proc_p */
 742     mi_ui_out                   /* ui_out_proc */
 743   };
 744
 745   /* The various interpreter levels.  */
 746   interp_add (interp_new (INTERP_MI1, &procs));
 747   interp_add (interp_new (INTERP_MI2, &procs));
 748   interp_add (interp_new (INTERP_MI3, &procs));
 749   interp_add (interp_new (INTERP_MI, &procs));
 750 }