| 1 | /* MI Interpreter Definitions and Commands for GDB, the GNU debugger. |
| 2 | |
| 3 | Copyright (C) 2002-2016 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 | #include "thread-fsm.h" |
| 41 | |
| 42 | /* These are the interpreter setup, etc. functions for the MI |
| 43 | interpreter. */ |
| 44 | |
| 45 | static void mi_execute_command_wrapper (const char *cmd); |
| 46 | static void mi_execute_command_input_handler (char *cmd); |
| 47 | static void mi_command_loop (void *data); |
| 48 | |
| 49 | /* These are hooks that we put in place while doing interpreter_exec |
| 50 | so we can report interesting things that happened "behind the MI's |
| 51 | back" in this command. */ |
| 52 | |
| 53 | static int mi_interp_query_hook (const char *ctlstr, va_list ap) |
| 54 | ATTRIBUTE_PRINTF (1, 0); |
| 55 | |
| 56 | static void mi_insert_notify_hooks (void); |
| 57 | static void mi_remove_notify_hooks (void); |
| 58 | |
| 59 | static void mi_on_signal_received (enum gdb_signal siggnal); |
| 60 | static void mi_on_end_stepping_range (void); |
| 61 | static void mi_on_signal_exited (enum gdb_signal siggnal); |
| 62 | static void mi_on_exited (int exitstatus); |
| 63 | static void mi_on_normal_stop (struct bpstats *bs, int print_frame); |
| 64 | static void mi_on_no_history (void); |
| 65 | |
| 66 | static void mi_new_thread (struct thread_info *t); |
| 67 | static void mi_thread_exit (struct thread_info *t, int silent); |
| 68 | static void mi_record_changed (struct inferior*, int, const char *, |
| 69 | const char *); |
| 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); |
| 74 | static void mi_on_resume (ptid_t ptid); |
| 75 | static void mi_solib_loaded (struct so_list *solib); |
| 76 | static void mi_solib_unloaded (struct so_list *solib); |
| 77 | static void mi_about_to_proceed (void); |
| 78 | static void mi_traceframe_changed (int tfnum, int tpnum); |
| 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); |
| 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); |
| 85 | static void mi_command_param_changed (const char *param, const char *value); |
| 86 | static void mi_memory_changed (struct inferior *inf, CORE_ADDR memaddr, |
| 87 | ssize_t len, const bfd_byte *myaddr); |
| 88 | static void mi_on_sync_execution_done (void); |
| 89 | |
| 90 | static int report_initial_inferior (struct inferior *inf, void *closure); |
| 91 | |
| 92 | static void * |
| 93 | mi_interpreter_init (struct interp *interp, int top_level) |
| 94 | { |
| 95 | struct mi_interp *mi = XNEW (struct mi_interp); |
| 96 | const char *name; |
| 97 | int mi_version; |
| 98 | |
| 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. */ |
| 103 | |
| 104 | raw_stdout = gdb_stdout; |
| 105 | |
| 106 | /* Create MI console channels, each with a different prefix so they |
| 107 | can be distinguished. */ |
| 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 | |
| 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 | |
| 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); |
| 138 | |
| 139 | if (top_level) |
| 140 | { |
| 141 | observer_attach_new_thread (mi_new_thread); |
| 142 | observer_attach_thread_exit (mi_thread_exit); |
| 143 | observer_attach_inferior_added (mi_inferior_added); |
| 144 | observer_attach_inferior_appeared (mi_inferior_appeared); |
| 145 | observer_attach_inferior_exit (mi_inferior_exit); |
| 146 | observer_attach_inferior_removed (mi_inferior_removed); |
| 147 | observer_attach_record_changed (mi_record_changed); |
| 148 | observer_attach_normal_stop (mi_on_normal_stop); |
| 149 | observer_attach_target_resumed (mi_on_resume); |
| 150 | observer_attach_solib_loaded (mi_solib_loaded); |
| 151 | observer_attach_solib_unloaded (mi_solib_unloaded); |
| 152 | observer_attach_about_to_proceed (mi_about_to_proceed); |
| 153 | observer_attach_traceframe_changed (mi_traceframe_changed); |
| 154 | observer_attach_tsv_created (mi_tsv_created); |
| 155 | observer_attach_tsv_deleted (mi_tsv_deleted); |
| 156 | observer_attach_tsv_modified (mi_tsv_modified); |
| 157 | observer_attach_breakpoint_created (mi_breakpoint_created); |
| 158 | observer_attach_breakpoint_deleted (mi_breakpoint_deleted); |
| 159 | observer_attach_breakpoint_modified (mi_breakpoint_modified); |
| 160 | observer_attach_command_param_changed (mi_command_param_changed); |
| 161 | observer_attach_memory_changed (mi_memory_changed); |
| 162 | observer_attach_sync_execution_done (mi_on_sync_execution_done); |
| 163 | |
| 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. */ |
| 168 | iterate_over_inferiors (report_initial_inferior, mi); |
| 169 | } |
| 170 | |
| 171 | return mi; |
| 172 | } |
| 173 | |
| 174 | static int |
| 175 | mi_interpreter_resume (void *data) |
| 176 | { |
| 177 | struct mi_interp *mi = (struct mi_interp *) data; |
| 178 | struct ui *ui = current_ui; |
| 179 | |
| 180 | /* As per hack note in mi_interpreter_init, swap in the output |
| 181 | channels... */ |
| 182 | gdb_setup_readline (); |
| 183 | |
| 184 | /* These overwrite some of the initialization done in |
| 185 | _intialize_event_loop. */ |
| 186 | ui->call_readline = gdb_readline_no_editing_callback; |
| 187 | ui->input_handler = mi_execute_command_input_handler; |
| 188 | async_command_editing_p = 0; |
| 189 | /* FIXME: This is a total hack for now. PB's use of the MI |
| 190 | implicitly relies on a bug in the async support which allows |
| 191 | asynchronous commands to leak through the commmand loop. The bug |
| 192 | involves (but is not limited to) the fact that sync_execution was |
| 193 | erroneously initialized to 0. Duplicate by initializing it thus |
| 194 | here... */ |
| 195 | sync_execution = 0; |
| 196 | |
| 197 | gdb_stdout = mi->out; |
| 198 | /* Route error and log output through the MI. */ |
| 199 | gdb_stderr = mi->err; |
| 200 | gdb_stdlog = mi->log; |
| 201 | /* Route target output through the MI. */ |
| 202 | gdb_stdtarg = mi->targ; |
| 203 | /* Route target error through the MI as well. */ |
| 204 | gdb_stdtargerr = mi->targ; |
| 205 | |
| 206 | /* Replace all the hooks that we know about. There really needs to |
| 207 | be a better way of doing this... */ |
| 208 | clear_interpreter_hooks (); |
| 209 | |
| 210 | deprecated_show_load_progress = mi_load_progress; |
| 211 | |
| 212 | return 1; |
| 213 | } |
| 214 | |
| 215 | static int |
| 216 | mi_interpreter_suspend (void *data) |
| 217 | { |
| 218 | gdb_disable_readline (); |
| 219 | return 1; |
| 220 | } |
| 221 | |
| 222 | static struct gdb_exception |
| 223 | mi_interpreter_exec (void *data, const char *command) |
| 224 | { |
| 225 | mi_execute_command_wrapper (command); |
| 226 | return exception_none; |
| 227 | } |
| 228 | |
| 229 | void |
| 230 | mi_cmd_interpreter_exec (char *command, char **argv, int argc) |
| 231 | { |
| 232 | struct interp *interp_to_use; |
| 233 | int i; |
| 234 | char *mi_error_message = NULL; |
| 235 | struct cleanup *old_chain; |
| 236 | |
| 237 | if (argc < 2) |
| 238 | error (_("-interpreter-exec: " |
| 239 | "Usage: -interpreter-exec interp command")); |
| 240 | |
| 241 | interp_to_use = interp_lookup (argv[0]); |
| 242 | if (interp_to_use == NULL) |
| 243 | error (_("-interpreter-exec: could not find interpreter \"%s\""), |
| 244 | argv[0]); |
| 245 | |
| 246 | /* Note that unlike the CLI version of this command, we don't |
| 247 | actually set INTERP_TO_USE as the current interpreter, as we |
| 248 | still want gdb_stdout, etc. to point at MI streams. */ |
| 249 | |
| 250 | /* Insert the MI out hooks, making sure to also call the |
| 251 | interpreter's hooks if it has any. */ |
| 252 | /* KRS: We shouldn't need this... Events should be installed and |
| 253 | they should just ALWAYS fire something out down the MI |
| 254 | channel. */ |
| 255 | mi_insert_notify_hooks (); |
| 256 | |
| 257 | /* Now run the code. */ |
| 258 | |
| 259 | old_chain = make_cleanup (null_cleanup, 0); |
| 260 | for (i = 1; i < argc; i++) |
| 261 | { |
| 262 | struct gdb_exception e = interp_exec (interp_to_use, argv[i]); |
| 263 | |
| 264 | if (e.reason < 0) |
| 265 | { |
| 266 | mi_error_message = xstrdup (e.message); |
| 267 | make_cleanup (xfree, mi_error_message); |
| 268 | break; |
| 269 | } |
| 270 | } |
| 271 | |
| 272 | mi_remove_notify_hooks (); |
| 273 | |
| 274 | if (mi_error_message != NULL) |
| 275 | error ("%s", mi_error_message); |
| 276 | do_cleanups (old_chain); |
| 277 | } |
| 278 | |
| 279 | /* This inserts a number of hooks that are meant to produce |
| 280 | async-notify ("=") MI messages while running commands in another |
| 281 | interpreter using mi_interpreter_exec. The canonical use for this |
| 282 | is to allow access to the gdb CLI interpreter from within the MI, |
| 283 | while still producing MI style output when actions in the CLI |
| 284 | command change GDB's state. */ |
| 285 | |
| 286 | static void |
| 287 | mi_insert_notify_hooks (void) |
| 288 | { |
| 289 | deprecated_query_hook = mi_interp_query_hook; |
| 290 | } |
| 291 | |
| 292 | static void |
| 293 | mi_remove_notify_hooks (void) |
| 294 | { |
| 295 | deprecated_query_hook = NULL; |
| 296 | } |
| 297 | |
| 298 | static int |
| 299 | mi_interp_query_hook (const char *ctlstr, va_list ap) |
| 300 | { |
| 301 | return 1; |
| 302 | } |
| 303 | |
| 304 | static void |
| 305 | mi_execute_command_wrapper (const char *cmd) |
| 306 | { |
| 307 | mi_execute_command (cmd, stdin == instream); |
| 308 | } |
| 309 | |
| 310 | /* Observer for the synchronous_command_done notification. */ |
| 311 | |
| 312 | static void |
| 313 | mi_on_sync_execution_done (void) |
| 314 | { |
| 315 | /* If MI is sync, then output the MI prompt now, indicating we're |
| 316 | ready for further input. */ |
| 317 | if (!mi_async_p ()) |
| 318 | { |
| 319 | fputs_unfiltered ("(gdb) \n", raw_stdout); |
| 320 | gdb_flush (raw_stdout); |
| 321 | } |
| 322 | } |
| 323 | |
| 324 | /* mi_execute_command_wrapper wrapper suitable for INPUT_HANDLER. */ |
| 325 | |
| 326 | static void |
| 327 | mi_execute_command_input_handler (char *cmd) |
| 328 | { |
| 329 | mi_execute_command_wrapper (cmd); |
| 330 | |
| 331 | /* Print a prompt, indicating we're ready for further input, unless |
| 332 | we just started a synchronous command. In that case, we're about |
| 333 | to go back to the event loop and will output the prompt in the |
| 334 | 'synchronous_command_done' observer when the target next |
| 335 | stops. */ |
| 336 | if (!sync_execution) |
| 337 | { |
| 338 | fputs_unfiltered ("(gdb) \n", raw_stdout); |
| 339 | gdb_flush (raw_stdout); |
| 340 | } |
| 341 | } |
| 342 | |
| 343 | static void |
| 344 | mi_command_loop (void *data) |
| 345 | { |
| 346 | /* Turn off 8 bit strings in quoted output. Any character with the |
| 347 | high bit set is printed using C's octal format. */ |
| 348 | sevenbit_strings = 1; |
| 349 | |
| 350 | /* Tell the world that we're alive. */ |
| 351 | fputs_unfiltered ("(gdb) \n", raw_stdout); |
| 352 | gdb_flush (raw_stdout); |
| 353 | |
| 354 | start_event_loop (); |
| 355 | } |
| 356 | |
| 357 | static void |
| 358 | mi_new_thread (struct thread_info *t) |
| 359 | { |
| 360 | struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); |
| 361 | struct inferior *inf = find_inferior_ptid (t->ptid); |
| 362 | struct cleanup *old_chain; |
| 363 | |
| 364 | gdb_assert (inf); |
| 365 | |
| 366 | old_chain = make_cleanup_restore_target_terminal (); |
| 367 | target_terminal_ours_for_output (); |
| 368 | |
| 369 | fprintf_unfiltered (mi->event_channel, |
| 370 | "thread-created,id=\"%d\",group-id=\"i%d\"", |
| 371 | t->global_num, inf->num); |
| 372 | gdb_flush (mi->event_channel); |
| 373 | |
| 374 | do_cleanups (old_chain); |
| 375 | } |
| 376 | |
| 377 | static void |
| 378 | mi_thread_exit (struct thread_info *t, int silent) |
| 379 | { |
| 380 | struct mi_interp *mi; |
| 381 | struct inferior *inf; |
| 382 | struct cleanup *old_chain; |
| 383 | |
| 384 | if (silent) |
| 385 | return; |
| 386 | |
| 387 | inf = find_inferior_ptid (t->ptid); |
| 388 | |
| 389 | mi = (struct mi_interp *) top_level_interpreter_data (); |
| 390 | old_chain = make_cleanup_restore_target_terminal (); |
| 391 | target_terminal_ours_for_output (); |
| 392 | |
| 393 | fprintf_unfiltered (mi->event_channel, |
| 394 | "thread-exited,id=\"%d\",group-id=\"i%d\"", |
| 395 | t->global_num, inf->num); |
| 396 | gdb_flush (mi->event_channel); |
| 397 | |
| 398 | do_cleanups (old_chain); |
| 399 | } |
| 400 | |
| 401 | /* Emit notification on changing the state of record. */ |
| 402 | |
| 403 | static void |
| 404 | mi_record_changed (struct inferior *inferior, int started, const char *method, |
| 405 | const char *format) |
| 406 | { |
| 407 | struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); |
| 408 | struct cleanup *old_chain; |
| 409 | |
| 410 | old_chain = make_cleanup_restore_target_terminal (); |
| 411 | target_terminal_ours_for_output (); |
| 412 | |
| 413 | if (started) |
| 414 | { |
| 415 | if (format != NULL) |
| 416 | { |
| 417 | fprintf_unfiltered ( |
| 418 | mi->event_channel, |
| 419 | "record-started,thread-group=\"i%d\",method=\"%s\",format=\"%s\"", |
| 420 | inferior->num, method, format); |
| 421 | } |
| 422 | else |
| 423 | { |
| 424 | fprintf_unfiltered ( |
| 425 | mi->event_channel, |
| 426 | "record-started,thread-group=\"i%d\",method=\"%s\"", |
| 427 | inferior->num, method); |
| 428 | } |
| 429 | } |
| 430 | else |
| 431 | { |
| 432 | fprintf_unfiltered (mi->event_channel, |
| 433 | "record-stopped,thread-group=\"i%d\"", inferior->num); |
| 434 | } |
| 435 | |
| 436 | |
| 437 | gdb_flush (mi->event_channel); |
| 438 | |
| 439 | do_cleanups (old_chain); |
| 440 | } |
| 441 | |
| 442 | static void |
| 443 | mi_inferior_added (struct inferior *inf) |
| 444 | { |
| 445 | struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); |
| 446 | struct cleanup *old_chain; |
| 447 | |
| 448 | old_chain = make_cleanup_restore_target_terminal (); |
| 449 | target_terminal_ours_for_output (); |
| 450 | |
| 451 | fprintf_unfiltered (mi->event_channel, |
| 452 | "thread-group-added,id=\"i%d\"", |
| 453 | inf->num); |
| 454 | gdb_flush (mi->event_channel); |
| 455 | |
| 456 | do_cleanups (old_chain); |
| 457 | } |
| 458 | |
| 459 | static void |
| 460 | mi_inferior_appeared (struct inferior *inf) |
| 461 | { |
| 462 | struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); |
| 463 | struct cleanup *old_chain; |
| 464 | |
| 465 | old_chain = make_cleanup_restore_target_terminal (); |
| 466 | target_terminal_ours_for_output (); |
| 467 | |
| 468 | fprintf_unfiltered (mi->event_channel, |
| 469 | "thread-group-started,id=\"i%d\",pid=\"%d\"", |
| 470 | inf->num, inf->pid); |
| 471 | gdb_flush (mi->event_channel); |
| 472 | |
| 473 | do_cleanups (old_chain); |
| 474 | } |
| 475 | |
| 476 | static void |
| 477 | mi_inferior_exit (struct inferior *inf) |
| 478 | { |
| 479 | struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); |
| 480 | struct cleanup *old_chain; |
| 481 | |
| 482 | old_chain = make_cleanup_restore_target_terminal (); |
| 483 | target_terminal_ours_for_output (); |
| 484 | |
| 485 | if (inf->has_exit_code) |
| 486 | fprintf_unfiltered (mi->event_channel, |
| 487 | "thread-group-exited,id=\"i%d\",exit-code=\"%s\"", |
| 488 | inf->num, int_string (inf->exit_code, 8, 0, 0, 1)); |
| 489 | else |
| 490 | fprintf_unfiltered (mi->event_channel, |
| 491 | "thread-group-exited,id=\"i%d\"", inf->num); |
| 492 | gdb_flush (mi->event_channel); |
| 493 | |
| 494 | do_cleanups (old_chain); |
| 495 | } |
| 496 | |
| 497 | static void |
| 498 | mi_inferior_removed (struct inferior *inf) |
| 499 | { |
| 500 | struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); |
| 501 | struct cleanup *old_chain; |
| 502 | |
| 503 | old_chain = make_cleanup_restore_target_terminal (); |
| 504 | target_terminal_ours_for_output (); |
| 505 | |
| 506 | fprintf_unfiltered (mi->event_channel, |
| 507 | "thread-group-removed,id=\"i%d\"", |
| 508 | inf->num); |
| 509 | gdb_flush (mi->event_channel); |
| 510 | |
| 511 | do_cleanups (old_chain); |
| 512 | } |
| 513 | |
| 514 | /* Return the MI interpreter, if it is active -- either because it's |
| 515 | the top-level interpreter or the interpreter executing the current |
| 516 | command. Returns NULL if the MI interpreter is not being used. */ |
| 517 | |
| 518 | static struct interp * |
| 519 | find_mi_interpreter (void) |
| 520 | { |
| 521 | struct interp *interp; |
| 522 | |
| 523 | interp = top_level_interpreter (); |
| 524 | if (ui_out_is_mi_like_p (interp_ui_out (interp))) |
| 525 | return interp; |
| 526 | |
| 527 | interp = command_interp (); |
| 528 | if (ui_out_is_mi_like_p (interp_ui_out (interp))) |
| 529 | return interp; |
| 530 | |
| 531 | return NULL; |
| 532 | } |
| 533 | |
| 534 | /* Return the MI_INTERP structure of the active MI interpreter. |
| 535 | Returns NULL if MI is not active. */ |
| 536 | |
| 537 | static struct mi_interp * |
| 538 | mi_interp_data (void) |
| 539 | { |
| 540 | struct interp *interp = find_mi_interpreter (); |
| 541 | |
| 542 | if (interp != NULL) |
| 543 | return (struct mi_interp *) interp_data (interp); |
| 544 | return NULL; |
| 545 | } |
| 546 | |
| 547 | /* Observers for several run control events that print why the |
| 548 | inferior has stopped to both the the MI event channel and to the MI |
| 549 | console. If the MI interpreter is not active, print nothing. */ |
| 550 | |
| 551 | /* Observer for the signal_received notification. */ |
| 552 | |
| 553 | static void |
| 554 | mi_on_signal_received (enum gdb_signal siggnal) |
| 555 | { |
| 556 | struct mi_interp *mi = mi_interp_data (); |
| 557 | |
| 558 | if (mi == NULL) |
| 559 | return; |
| 560 | |
| 561 | print_signal_received_reason (mi->mi_uiout, siggnal); |
| 562 | print_signal_received_reason (mi->cli_uiout, siggnal); |
| 563 | } |
| 564 | |
| 565 | /* Observer for the end_stepping_range notification. */ |
| 566 | |
| 567 | static void |
| 568 | mi_on_end_stepping_range (void) |
| 569 | { |
| 570 | struct mi_interp *mi = mi_interp_data (); |
| 571 | |
| 572 | if (mi == NULL) |
| 573 | return; |
| 574 | |
| 575 | print_end_stepping_range_reason (mi->mi_uiout); |
| 576 | print_end_stepping_range_reason (mi->cli_uiout); |
| 577 | } |
| 578 | |
| 579 | /* Observer for the signal_exited notification. */ |
| 580 | |
| 581 | static void |
| 582 | mi_on_signal_exited (enum gdb_signal siggnal) |
| 583 | { |
| 584 | struct mi_interp *mi = mi_interp_data (); |
| 585 | |
| 586 | if (mi == NULL) |
| 587 | return; |
| 588 | |
| 589 | print_signal_exited_reason (mi->mi_uiout, siggnal); |
| 590 | print_signal_exited_reason (mi->cli_uiout, siggnal); |
| 591 | } |
| 592 | |
| 593 | /* Observer for the exited notification. */ |
| 594 | |
| 595 | static void |
| 596 | mi_on_exited (int exitstatus) |
| 597 | { |
| 598 | struct mi_interp *mi = mi_interp_data (); |
| 599 | |
| 600 | if (mi == NULL) |
| 601 | return; |
| 602 | |
| 603 | print_exited_reason (mi->mi_uiout, exitstatus); |
| 604 | print_exited_reason (mi->cli_uiout, exitstatus); |
| 605 | } |
| 606 | |
| 607 | /* Observer for the no_history notification. */ |
| 608 | |
| 609 | static void |
| 610 | mi_on_no_history (void) |
| 611 | { |
| 612 | struct mi_interp *mi = mi_interp_data (); |
| 613 | |
| 614 | if (mi == NULL) |
| 615 | return; |
| 616 | |
| 617 | print_no_history_reason (mi->mi_uiout); |
| 618 | print_no_history_reason (mi->cli_uiout); |
| 619 | } |
| 620 | |
| 621 | static void |
| 622 | mi_on_normal_stop (struct bpstats *bs, int print_frame) |
| 623 | { |
| 624 | /* Since this can be called when CLI command is executing, |
| 625 | using cli interpreter, be sure to use MI uiout for output, |
| 626 | not the current one. */ |
| 627 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); |
| 628 | |
| 629 | if (print_frame) |
| 630 | { |
| 631 | struct thread_info *tp; |
| 632 | int core; |
| 633 | |
| 634 | tp = inferior_thread (); |
| 635 | |
| 636 | if (tp->thread_fsm != NULL |
| 637 | && thread_fsm_finished_p (tp->thread_fsm)) |
| 638 | { |
| 639 | enum async_reply_reason reason; |
| 640 | |
| 641 | reason = thread_fsm_async_reply_reason (tp->thread_fsm); |
| 642 | ui_out_field_string (mi_uiout, "reason", |
| 643 | async_reason_lookup (reason)); |
| 644 | } |
| 645 | print_stop_event (mi_uiout); |
| 646 | |
| 647 | /* Breakpoint hits should always be mirrored to the console. |
| 648 | Deciding what to mirror to the console wrt to breakpoints and |
| 649 | random stops gets messy real fast. E.g., say "s" trips on a |
| 650 | breakpoint. We'd clearly want to mirror the event to the |
| 651 | console in this case. But what about more complicated cases |
| 652 | like "s&; thread n; s&", and one of those steps spawning a |
| 653 | new thread, and that thread hitting a breakpoint? It's |
| 654 | impossible in general to track whether the thread had any |
| 655 | relation to the commands that had been executed. So we just |
| 656 | simplify and always mirror breakpoints and random events to |
| 657 | the console. |
| 658 | |
| 659 | OTOH, we should print the source line to the console when |
| 660 | stepping or other similar commands, iff the step was started |
| 661 | by a console command, but not if it was started with |
| 662 | -exec-step or similar. */ |
| 663 | if ((bpstat_what (tp->control.stop_bpstat).main_action |
| 664 | == BPSTAT_WHAT_STOP_NOISY) |
| 665 | || !(tp->thread_fsm != NULL |
| 666 | && thread_fsm_finished_p (tp->thread_fsm)) |
| 667 | || (tp->control.command_interp != NULL |
| 668 | && tp->control.command_interp != top_level_interpreter ())) |
| 669 | { |
| 670 | struct mi_interp *mi |
| 671 | = (struct mi_interp *) top_level_interpreter_data (); |
| 672 | |
| 673 | print_stop_event (mi->cli_uiout); |
| 674 | } |
| 675 | |
| 676 | tp = inferior_thread (); |
| 677 | ui_out_field_int (mi_uiout, "thread-id", tp->global_num); |
| 678 | if (non_stop) |
| 679 | { |
| 680 | struct cleanup *back_to = make_cleanup_ui_out_list_begin_end |
| 681 | (mi_uiout, "stopped-threads"); |
| 682 | |
| 683 | ui_out_field_int (mi_uiout, NULL, tp->global_num); |
| 684 | do_cleanups (back_to); |
| 685 | } |
| 686 | else |
| 687 | ui_out_field_string (mi_uiout, "stopped-threads", "all"); |
| 688 | |
| 689 | core = target_core_of_thread (inferior_ptid); |
| 690 | if (core != -1) |
| 691 | ui_out_field_int (mi_uiout, "core", core); |
| 692 | } |
| 693 | |
| 694 | fputs_unfiltered ("*stopped", raw_stdout); |
| 695 | mi_out_put (mi_uiout, raw_stdout); |
| 696 | mi_out_rewind (mi_uiout); |
| 697 | mi_print_timing_maybe (); |
| 698 | fputs_unfiltered ("\n", raw_stdout); |
| 699 | gdb_flush (raw_stdout); |
| 700 | } |
| 701 | |
| 702 | static void |
| 703 | mi_about_to_proceed (void) |
| 704 | { |
| 705 | /* Suppress output while calling an inferior function. */ |
| 706 | |
| 707 | if (!ptid_equal (inferior_ptid, null_ptid)) |
| 708 | { |
| 709 | struct thread_info *tp = inferior_thread (); |
| 710 | |
| 711 | if (tp->control.in_infcall) |
| 712 | return; |
| 713 | } |
| 714 | |
| 715 | mi_proceeded = 1; |
| 716 | } |
| 717 | |
| 718 | /* When the element is non-zero, no MI notifications will be emitted in |
| 719 | response to the corresponding observers. */ |
| 720 | |
| 721 | struct mi_suppress_notification mi_suppress_notification = |
| 722 | { |
| 723 | 0, |
| 724 | 0, |
| 725 | 0, |
| 726 | }; |
| 727 | |
| 728 | /* Emit notification on changing a traceframe. */ |
| 729 | |
| 730 | static void |
| 731 | mi_traceframe_changed (int tfnum, int tpnum) |
| 732 | { |
| 733 | struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); |
| 734 | struct cleanup *old_chain; |
| 735 | |
| 736 | if (mi_suppress_notification.traceframe) |
| 737 | return; |
| 738 | |
| 739 | old_chain = make_cleanup_restore_target_terminal (); |
| 740 | target_terminal_ours_for_output (); |
| 741 | |
| 742 | if (tfnum >= 0) |
| 743 | fprintf_unfiltered (mi->event_channel, "traceframe-changed," |
| 744 | "num=\"%d\",tracepoint=\"%d\"\n", |
| 745 | tfnum, tpnum); |
| 746 | else |
| 747 | fprintf_unfiltered (mi->event_channel, "traceframe-changed,end"); |
| 748 | |
| 749 | gdb_flush (mi->event_channel); |
| 750 | |
| 751 | do_cleanups (old_chain); |
| 752 | } |
| 753 | |
| 754 | /* Emit notification on creating a trace state variable. */ |
| 755 | |
| 756 | static void |
| 757 | mi_tsv_created (const struct trace_state_variable *tsv) |
| 758 | { |
| 759 | struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); |
| 760 | struct cleanup *old_chain; |
| 761 | |
| 762 | old_chain = make_cleanup_restore_target_terminal (); |
| 763 | target_terminal_ours_for_output (); |
| 764 | |
| 765 | fprintf_unfiltered (mi->event_channel, "tsv-created," |
| 766 | "name=\"%s\",initial=\"%s\"\n", |
| 767 | tsv->name, plongest (tsv->initial_value)); |
| 768 | |
| 769 | gdb_flush (mi->event_channel); |
| 770 | |
| 771 | do_cleanups (old_chain); |
| 772 | } |
| 773 | |
| 774 | /* Emit notification on deleting a trace state variable. */ |
| 775 | |
| 776 | static void |
| 777 | mi_tsv_deleted (const struct trace_state_variable *tsv) |
| 778 | { |
| 779 | struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); |
| 780 | struct cleanup *old_chain; |
| 781 | |
| 782 | old_chain = make_cleanup_restore_target_terminal (); |
| 783 | target_terminal_ours_for_output (); |
| 784 | |
| 785 | if (tsv != NULL) |
| 786 | fprintf_unfiltered (mi->event_channel, "tsv-deleted," |
| 787 | "name=\"%s\"\n", tsv->name); |
| 788 | else |
| 789 | fprintf_unfiltered (mi->event_channel, "tsv-deleted\n"); |
| 790 | |
| 791 | gdb_flush (mi->event_channel); |
| 792 | |
| 793 | do_cleanups (old_chain); |
| 794 | } |
| 795 | |
| 796 | /* Emit notification on modifying a trace state variable. */ |
| 797 | |
| 798 | static void |
| 799 | mi_tsv_modified (const struct trace_state_variable *tsv) |
| 800 | { |
| 801 | struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); |
| 802 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); |
| 803 | struct cleanup *old_chain; |
| 804 | |
| 805 | old_chain = make_cleanup_restore_target_terminal (); |
| 806 | target_terminal_ours_for_output (); |
| 807 | |
| 808 | fprintf_unfiltered (mi->event_channel, |
| 809 | "tsv-modified"); |
| 810 | |
| 811 | ui_out_redirect (mi_uiout, mi->event_channel); |
| 812 | |
| 813 | ui_out_field_string (mi_uiout, "name", tsv->name); |
| 814 | ui_out_field_string (mi_uiout, "initial", |
| 815 | plongest (tsv->initial_value)); |
| 816 | if (tsv->value_known) |
| 817 | ui_out_field_string (mi_uiout, "current", plongest (tsv->value)); |
| 818 | |
| 819 | ui_out_redirect (mi_uiout, NULL); |
| 820 | |
| 821 | gdb_flush (mi->event_channel); |
| 822 | |
| 823 | do_cleanups (old_chain); |
| 824 | } |
| 825 | |
| 826 | /* Emit notification about a created breakpoint. */ |
| 827 | |
| 828 | static void |
| 829 | mi_breakpoint_created (struct breakpoint *b) |
| 830 | { |
| 831 | struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); |
| 832 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); |
| 833 | struct cleanup *old_chain; |
| 834 | |
| 835 | if (mi_suppress_notification.breakpoint) |
| 836 | return; |
| 837 | |
| 838 | if (b->number <= 0) |
| 839 | return; |
| 840 | |
| 841 | old_chain = make_cleanup_restore_target_terminal (); |
| 842 | target_terminal_ours_for_output (); |
| 843 | |
| 844 | fprintf_unfiltered (mi->event_channel, |
| 845 | "breakpoint-created"); |
| 846 | /* We want the output from gdb_breakpoint_query to go to |
| 847 | mi->event_channel. One approach would be to just call |
| 848 | gdb_breakpoint_query, and then use mi_out_put to send the current |
| 849 | content of mi_outout into mi->event_channel. However, that will |
| 850 | break if anything is output to mi_uiout prior to calling the |
| 851 | breakpoint_created notifications. So, we use |
| 852 | ui_out_redirect. */ |
| 853 | ui_out_redirect (mi_uiout, mi->event_channel); |
| 854 | TRY |
| 855 | { |
| 856 | gdb_breakpoint_query (mi_uiout, b->number, NULL); |
| 857 | } |
| 858 | CATCH (e, RETURN_MASK_ERROR) |
| 859 | { |
| 860 | } |
| 861 | END_CATCH |
| 862 | |
| 863 | ui_out_redirect (mi_uiout, NULL); |
| 864 | |
| 865 | gdb_flush (mi->event_channel); |
| 866 | |
| 867 | do_cleanups (old_chain); |
| 868 | } |
| 869 | |
| 870 | /* Emit notification about deleted breakpoint. */ |
| 871 | |
| 872 | static void |
| 873 | mi_breakpoint_deleted (struct breakpoint *b) |
| 874 | { |
| 875 | struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); |
| 876 | struct cleanup *old_chain; |
| 877 | |
| 878 | if (mi_suppress_notification.breakpoint) |
| 879 | return; |
| 880 | |
| 881 | if (b->number <= 0) |
| 882 | return; |
| 883 | |
| 884 | old_chain = make_cleanup_restore_target_terminal (); |
| 885 | target_terminal_ours_for_output (); |
| 886 | |
| 887 | fprintf_unfiltered (mi->event_channel, "breakpoint-deleted,id=\"%d\"", |
| 888 | b->number); |
| 889 | |
| 890 | gdb_flush (mi->event_channel); |
| 891 | |
| 892 | do_cleanups (old_chain); |
| 893 | } |
| 894 | |
| 895 | /* Emit notification about modified breakpoint. */ |
| 896 | |
| 897 | static void |
| 898 | mi_breakpoint_modified (struct breakpoint *b) |
| 899 | { |
| 900 | struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); |
| 901 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); |
| 902 | struct cleanup *old_chain; |
| 903 | |
| 904 | if (mi_suppress_notification.breakpoint) |
| 905 | return; |
| 906 | |
| 907 | if (b->number <= 0) |
| 908 | return; |
| 909 | |
| 910 | old_chain = make_cleanup_restore_target_terminal (); |
| 911 | target_terminal_ours_for_output (); |
| 912 | |
| 913 | fprintf_unfiltered (mi->event_channel, |
| 914 | "breakpoint-modified"); |
| 915 | /* We want the output from gdb_breakpoint_query to go to |
| 916 | mi->event_channel. One approach would be to just call |
| 917 | gdb_breakpoint_query, and then use mi_out_put to send the current |
| 918 | content of mi_outout into mi->event_channel. However, that will |
| 919 | break if anything is output to mi_uiout prior to calling the |
| 920 | breakpoint_created notifications. So, we use |
| 921 | ui_out_redirect. */ |
| 922 | ui_out_redirect (mi_uiout, mi->event_channel); |
| 923 | TRY |
| 924 | { |
| 925 | gdb_breakpoint_query (mi_uiout, b->number, NULL); |
| 926 | } |
| 927 | CATCH (e, RETURN_MASK_ERROR) |
| 928 | { |
| 929 | } |
| 930 | END_CATCH |
| 931 | |
| 932 | ui_out_redirect (mi_uiout, NULL); |
| 933 | |
| 934 | gdb_flush (mi->event_channel); |
| 935 | |
| 936 | do_cleanups (old_chain); |
| 937 | } |
| 938 | |
| 939 | static int |
| 940 | mi_output_running_pid (struct thread_info *info, void *arg) |
| 941 | { |
| 942 | ptid_t *ptid = (ptid_t *) arg; |
| 943 | |
| 944 | if (ptid_get_pid (*ptid) == ptid_get_pid (info->ptid)) |
| 945 | fprintf_unfiltered (raw_stdout, |
| 946 | "*running,thread-id=\"%d\"\n", |
| 947 | info->global_num); |
| 948 | |
| 949 | return 0; |
| 950 | } |
| 951 | |
| 952 | static int |
| 953 | mi_inferior_count (struct inferior *inf, void *arg) |
| 954 | { |
| 955 | if (inf->pid != 0) |
| 956 | { |
| 957 | int *count_p = (int *) arg; |
| 958 | (*count_p)++; |
| 959 | } |
| 960 | |
| 961 | return 0; |
| 962 | } |
| 963 | |
| 964 | static void |
| 965 | mi_on_resume (ptid_t ptid) |
| 966 | { |
| 967 | struct thread_info *tp = NULL; |
| 968 | |
| 969 | if (ptid_equal (ptid, minus_one_ptid) || ptid_is_pid (ptid)) |
| 970 | tp = inferior_thread (); |
| 971 | else |
| 972 | tp = find_thread_ptid (ptid); |
| 973 | |
| 974 | /* Suppress output while calling an inferior function. */ |
| 975 | if (tp->control.in_infcall) |
| 976 | return; |
| 977 | |
| 978 | /* To cater for older frontends, emit ^running, but do it only once |
| 979 | per each command. We do it here, since at this point we know |
| 980 | that the target was successfully resumed, and in non-async mode, |
| 981 | we won't return back to MI interpreter code until the target |
| 982 | is done running, so delaying the output of "^running" until then |
| 983 | will make it impossible for frontend to know what's going on. |
| 984 | |
| 985 | In future (MI3), we'll be outputting "^done" here. */ |
| 986 | if (!running_result_record_printed && mi_proceeded) |
| 987 | { |
| 988 | fprintf_unfiltered (raw_stdout, "%s^running\n", |
| 989 | current_token ? current_token : ""); |
| 990 | } |
| 991 | |
| 992 | if (ptid_get_pid (ptid) == -1) |
| 993 | fprintf_unfiltered (raw_stdout, "*running,thread-id=\"all\"\n"); |
| 994 | else if (ptid_is_pid (ptid)) |
| 995 | { |
| 996 | int count = 0; |
| 997 | |
| 998 | /* Backwards compatibility. If there's only one inferior, |
| 999 | output "all", otherwise, output each resumed thread |
| 1000 | individually. */ |
| 1001 | iterate_over_inferiors (mi_inferior_count, &count); |
| 1002 | |
| 1003 | if (count == 1) |
| 1004 | fprintf_unfiltered (raw_stdout, "*running,thread-id=\"all\"\n"); |
| 1005 | else |
| 1006 | iterate_over_threads (mi_output_running_pid, &ptid); |
| 1007 | } |
| 1008 | else |
| 1009 | { |
| 1010 | struct thread_info *ti = find_thread_ptid (ptid); |
| 1011 | |
| 1012 | gdb_assert (ti); |
| 1013 | fprintf_unfiltered (raw_stdout, "*running,thread-id=\"%d\"\n", |
| 1014 | ti->global_num); |
| 1015 | } |
| 1016 | |
| 1017 | if (!running_result_record_printed && mi_proceeded) |
| 1018 | { |
| 1019 | running_result_record_printed = 1; |
| 1020 | /* This is what gdb used to do historically -- printing prompt even if |
| 1021 | it cannot actually accept any input. This will be surely removed |
| 1022 | for MI3, and may be removed even earlier. SYNC_EXECUTION is |
| 1023 | checked here because we only need to emit a prompt if a |
| 1024 | synchronous command was issued when the target is async. */ |
| 1025 | if (!target_can_async_p () || sync_execution) |
| 1026 | fputs_unfiltered ("(gdb) \n", raw_stdout); |
| 1027 | } |
| 1028 | gdb_flush (raw_stdout); |
| 1029 | } |
| 1030 | |
| 1031 | static void |
| 1032 | mi_solib_loaded (struct so_list *solib) |
| 1033 | { |
| 1034 | struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); |
| 1035 | struct ui_out *uiout = interp_ui_out (top_level_interpreter ()); |
| 1036 | struct cleanup *old_chain; |
| 1037 | |
| 1038 | old_chain = make_cleanup_restore_target_terminal (); |
| 1039 | target_terminal_ours_for_output (); |
| 1040 | |
| 1041 | fprintf_unfiltered (mi->event_channel, "library-loaded"); |
| 1042 | |
| 1043 | ui_out_redirect (uiout, mi->event_channel); |
| 1044 | |
| 1045 | ui_out_field_string (uiout, "id", solib->so_original_name); |
| 1046 | ui_out_field_string (uiout, "target-name", solib->so_original_name); |
| 1047 | ui_out_field_string (uiout, "host-name", solib->so_name); |
| 1048 | ui_out_field_int (uiout, "symbols-loaded", solib->symbols_loaded); |
| 1049 | if (!gdbarch_has_global_solist (target_gdbarch ())) |
| 1050 | { |
| 1051 | ui_out_field_fmt (uiout, "thread-group", "i%d", |
| 1052 | current_inferior ()->num); |
| 1053 | } |
| 1054 | |
| 1055 | ui_out_redirect (uiout, NULL); |
| 1056 | |
| 1057 | gdb_flush (mi->event_channel); |
| 1058 | |
| 1059 | do_cleanups (old_chain); |
| 1060 | } |
| 1061 | |
| 1062 | static void |
| 1063 | mi_solib_unloaded (struct so_list *solib) |
| 1064 | { |
| 1065 | struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); |
| 1066 | struct ui_out *uiout = interp_ui_out (top_level_interpreter ()); |
| 1067 | struct cleanup *old_chain; |
| 1068 | |
| 1069 | old_chain = make_cleanup_restore_target_terminal (); |
| 1070 | target_terminal_ours_for_output (); |
| 1071 | |
| 1072 | fprintf_unfiltered (mi->event_channel, "library-unloaded"); |
| 1073 | |
| 1074 | ui_out_redirect (uiout, mi->event_channel); |
| 1075 | |
| 1076 | ui_out_field_string (uiout, "id", solib->so_original_name); |
| 1077 | ui_out_field_string (uiout, "target-name", solib->so_original_name); |
| 1078 | ui_out_field_string (uiout, "host-name", solib->so_name); |
| 1079 | if (!gdbarch_has_global_solist (target_gdbarch ())) |
| 1080 | { |
| 1081 | ui_out_field_fmt (uiout, "thread-group", "i%d", |
| 1082 | current_inferior ()->num); |
| 1083 | } |
| 1084 | |
| 1085 | ui_out_redirect (uiout, NULL); |
| 1086 | |
| 1087 | gdb_flush (mi->event_channel); |
| 1088 | |
| 1089 | do_cleanups (old_chain); |
| 1090 | } |
| 1091 | |
| 1092 | /* Emit notification about the command parameter change. */ |
| 1093 | |
| 1094 | static void |
| 1095 | mi_command_param_changed (const char *param, const char *value) |
| 1096 | { |
| 1097 | struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); |
| 1098 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); |
| 1099 | struct cleanup *old_chain; |
| 1100 | |
| 1101 | if (mi_suppress_notification.cmd_param_changed) |
| 1102 | return; |
| 1103 | |
| 1104 | old_chain = make_cleanup_restore_target_terminal (); |
| 1105 | target_terminal_ours_for_output (); |
| 1106 | |
| 1107 | fprintf_unfiltered (mi->event_channel, |
| 1108 | "cmd-param-changed"); |
| 1109 | |
| 1110 | ui_out_redirect (mi_uiout, mi->event_channel); |
| 1111 | |
| 1112 | ui_out_field_string (mi_uiout, "param", param); |
| 1113 | ui_out_field_string (mi_uiout, "value", value); |
| 1114 | |
| 1115 | ui_out_redirect (mi_uiout, NULL); |
| 1116 | |
| 1117 | gdb_flush (mi->event_channel); |
| 1118 | |
| 1119 | do_cleanups (old_chain); |
| 1120 | } |
| 1121 | |
| 1122 | /* Emit notification about the target memory change. */ |
| 1123 | |
| 1124 | static void |
| 1125 | mi_memory_changed (struct inferior *inferior, CORE_ADDR memaddr, |
| 1126 | ssize_t len, const bfd_byte *myaddr) |
| 1127 | { |
| 1128 | struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); |
| 1129 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); |
| 1130 | struct obj_section *sec; |
| 1131 | struct cleanup *old_chain; |
| 1132 | |
| 1133 | if (mi_suppress_notification.memory) |
| 1134 | return; |
| 1135 | |
| 1136 | old_chain = make_cleanup_restore_target_terminal (); |
| 1137 | target_terminal_ours_for_output (); |
| 1138 | |
| 1139 | fprintf_unfiltered (mi->event_channel, |
| 1140 | "memory-changed"); |
| 1141 | |
| 1142 | ui_out_redirect (mi_uiout, mi->event_channel); |
| 1143 | |
| 1144 | ui_out_field_fmt (mi_uiout, "thread-group", "i%d", inferior->num); |
| 1145 | ui_out_field_core_addr (mi_uiout, "addr", target_gdbarch (), memaddr); |
| 1146 | ui_out_field_fmt (mi_uiout, "len", "%s", hex_string (len)); |
| 1147 | |
| 1148 | /* Append 'type=code' into notification if MEMADDR falls in the range of |
| 1149 | sections contain code. */ |
| 1150 | sec = find_pc_section (memaddr); |
| 1151 | if (sec != NULL && sec->objfile != NULL) |
| 1152 | { |
| 1153 | flagword flags = bfd_get_section_flags (sec->objfile->obfd, |
| 1154 | sec->the_bfd_section); |
| 1155 | |
| 1156 | if (flags & SEC_CODE) |
| 1157 | ui_out_field_string (mi_uiout, "type", "code"); |
| 1158 | } |
| 1159 | |
| 1160 | ui_out_redirect (mi_uiout, NULL); |
| 1161 | |
| 1162 | gdb_flush (mi->event_channel); |
| 1163 | |
| 1164 | do_cleanups (old_chain); |
| 1165 | } |
| 1166 | |
| 1167 | static int |
| 1168 | report_initial_inferior (struct inferior *inf, void *closure) |
| 1169 | { |
| 1170 | /* This function is called from mi_intepreter_init, and since |
| 1171 | mi_inferior_added assumes that inferior is fully initialized |
| 1172 | and top_level_interpreter_data is set, we cannot call |
| 1173 | it here. */ |
| 1174 | struct mi_interp *mi = (struct mi_interp *) closure; |
| 1175 | struct cleanup *old_chain; |
| 1176 | |
| 1177 | old_chain = make_cleanup_restore_target_terminal (); |
| 1178 | target_terminal_ours_for_output (); |
| 1179 | |
| 1180 | fprintf_unfiltered (mi->event_channel, |
| 1181 | "thread-group-added,id=\"i%d\"", |
| 1182 | inf->num); |
| 1183 | gdb_flush (mi->event_channel); |
| 1184 | |
| 1185 | do_cleanups (old_chain); |
| 1186 | return 0; |
| 1187 | } |
| 1188 | |
| 1189 | static struct ui_out * |
| 1190 | mi_ui_out (struct interp *interp) |
| 1191 | { |
| 1192 | struct mi_interp *mi = (struct mi_interp *) interp_data (interp); |
| 1193 | |
| 1194 | return mi->mi_uiout; |
| 1195 | } |
| 1196 | |
| 1197 | /* Save the original value of raw_stdout here when logging, so we can |
| 1198 | restore correctly when done. */ |
| 1199 | |
| 1200 | static struct ui_file *saved_raw_stdout; |
| 1201 | |
| 1202 | /* Do MI-specific logging actions; save raw_stdout, and change all |
| 1203 | the consoles to use the supplied ui-file(s). */ |
| 1204 | |
| 1205 | static int |
| 1206 | mi_set_logging (struct interp *interp, int start_log, |
| 1207 | struct ui_file *out, struct ui_file *logfile) |
| 1208 | { |
| 1209 | struct mi_interp *mi = (struct mi_interp *) interp_data (interp); |
| 1210 | |
| 1211 | if (!mi) |
| 1212 | return 0; |
| 1213 | |
| 1214 | if (start_log) |
| 1215 | { |
| 1216 | /* The tee created already is based on gdb_stdout, which for MI |
| 1217 | is a console and so we end up in an infinite loop of console |
| 1218 | writing to ui_file writing to console etc. So discard the |
| 1219 | existing tee (it hasn't been used yet, and MI won't ever use |
| 1220 | it), and create one based on raw_stdout instead. */ |
| 1221 | if (logfile) |
| 1222 | { |
| 1223 | ui_file_delete (out); |
| 1224 | out = tee_file_new (raw_stdout, 0, logfile, 0); |
| 1225 | } |
| 1226 | |
| 1227 | saved_raw_stdout = raw_stdout; |
| 1228 | raw_stdout = out; |
| 1229 | } |
| 1230 | else |
| 1231 | { |
| 1232 | raw_stdout = saved_raw_stdout; |
| 1233 | saved_raw_stdout = NULL; |
| 1234 | } |
| 1235 | |
| 1236 | mi_console_set_raw (mi->out, raw_stdout); |
| 1237 | mi_console_set_raw (mi->err, raw_stdout); |
| 1238 | mi_console_set_raw (mi->log, raw_stdout); |
| 1239 | mi_console_set_raw (mi->targ, raw_stdout); |
| 1240 | mi_console_set_raw (mi->event_channel, raw_stdout); |
| 1241 | |
| 1242 | return 1; |
| 1243 | } |
| 1244 | |
| 1245 | extern initialize_file_ftype _initialize_mi_interp; /* -Wmissing-prototypes */ |
| 1246 | |
| 1247 | void |
| 1248 | _initialize_mi_interp (void) |
| 1249 | { |
| 1250 | static const struct interp_procs procs = |
| 1251 | { |
| 1252 | mi_interpreter_init, /* init_proc */ |
| 1253 | mi_interpreter_resume, /* resume_proc */ |
| 1254 | mi_interpreter_suspend, /* suspend_proc */ |
| 1255 | mi_interpreter_exec, /* exec_proc */ |
| 1256 | mi_ui_out, /* ui_out_proc */ |
| 1257 | mi_set_logging, /* set_logging_proc */ |
| 1258 | mi_command_loop /* command_loop_proc */ |
| 1259 | }; |
| 1260 | |
| 1261 | /* The various interpreter levels. */ |
| 1262 | interp_add (interp_new (INTERP_MI1, &procs)); |
| 1263 | interp_add (interp_new (INTERP_MI2, &procs)); |
| 1264 | interp_add (interp_new (INTERP_MI3, &procs)); |
| 1265 | interp_add (interp_new (INTERP_MI, &procs)); |
| 1266 | } |