annotate.c revision 1.6
1/* Annotation routines for GDB. 2 Copyright (C) 1986-2016 Free Software Foundation, Inc. 3 4 This file is part of GDB. 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3 of the License, or 9 (at your option) any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 18 19#include "defs.h" 20#include "annotate.h" 21#include "value.h" 22#include "target.h" 23#include "gdbtypes.h" 24#include "breakpoint.h" 25#include "observer.h" 26#include "inferior.h" 27#include "infrun.h" 28#include "top.h" 29 30 31/* Prototypes for local functions. */ 32 33extern void _initialize_annotate (void); 34 35static void print_value_flags (struct type *); 36 37static void breakpoint_changed (struct breakpoint *b); 38 39 40void (*deprecated_annotate_signalled_hook) (void); 41void (*deprecated_annotate_signal_hook) (void); 42 43/* Booleans indicating whether we've emitted certain notifications. 44 Used to suppress useless repeated notifications until the next time 45 we're ready to accept more commands. Reset whenever a prompt is 46 displayed. */ 47static int frames_invalid_emitted; 48static int breakpoints_invalid_emitted; 49 50static void 51print_value_flags (struct type *t) 52{ 53 if (can_dereference (t)) 54 printf_filtered (("*")); 55 else 56 printf_filtered (("-")); 57} 58 59static void 60annotate_breakpoints_invalid (void) 61{ 62 if (annotation_level == 2 63 && (!breakpoints_invalid_emitted 64 || current_ui->prompt_state != PROMPT_BLOCKED)) 65 { 66 /* If the inferior owns the terminal (e.g., we're resuming), 67 make sure to leave with the inferior still owning it. */ 68 int was_inferior = target_terminal_is_inferior (); 69 70 target_terminal_ours_for_output (); 71 72 printf_unfiltered (("\n\032\032breakpoints-invalid\n")); 73 74 if (was_inferior) 75 target_terminal_inferior (); 76 77 breakpoints_invalid_emitted = 1; 78 } 79} 80 81void 82annotate_breakpoint (int num) 83{ 84 if (annotation_level > 1) 85 printf_filtered (("\n\032\032breakpoint %d\n"), num); 86} 87 88void 89annotate_catchpoint (int num) 90{ 91 if (annotation_level > 1) 92 printf_filtered (("\n\032\032catchpoint %d\n"), num); 93} 94 95void 96annotate_watchpoint (int num) 97{ 98 if (annotation_level > 1) 99 printf_filtered (("\n\032\032watchpoint %d\n"), num); 100} 101 102void 103annotate_starting (void) 104{ 105 if (annotation_level > 1) 106 printf_filtered (("\n\032\032starting\n")); 107} 108 109void 110annotate_stopped (void) 111{ 112 if (annotation_level > 1) 113 printf_filtered (("\n\032\032stopped\n")); 114} 115 116void 117annotate_exited (int exitstatus) 118{ 119 if (annotation_level > 1) 120 printf_filtered (("\n\032\032exited %d\n"), exitstatus); 121} 122 123void 124annotate_signalled (void) 125{ 126 if (deprecated_annotate_signalled_hook) 127 deprecated_annotate_signalled_hook (); 128 129 if (annotation_level > 1) 130 printf_filtered (("\n\032\032signalled\n")); 131} 132 133void 134annotate_signal_name (void) 135{ 136 if (annotation_level == 2) 137 printf_filtered (("\n\032\032signal-name\n")); 138} 139 140void 141annotate_signal_name_end (void) 142{ 143 if (annotation_level == 2) 144 printf_filtered (("\n\032\032signal-name-end\n")); 145} 146 147void 148annotate_signal_string (void) 149{ 150 if (annotation_level == 2) 151 printf_filtered (("\n\032\032signal-string\n")); 152} 153 154void 155annotate_signal_string_end (void) 156{ 157 if (annotation_level == 2) 158 printf_filtered (("\n\032\032signal-string-end\n")); 159} 160 161void 162annotate_signal (void) 163{ 164 if (deprecated_annotate_signal_hook) 165 deprecated_annotate_signal_hook (); 166 167 if (annotation_level > 1) 168 printf_filtered (("\n\032\032signal\n")); 169} 170 171void 172annotate_breakpoints_headers (void) 173{ 174 if (annotation_level == 2) 175 printf_filtered (("\n\032\032breakpoints-headers\n")); 176} 177 178void 179annotate_field (int num) 180{ 181 if (annotation_level == 2) 182 printf_filtered (("\n\032\032field %d\n"), num); 183} 184 185void 186annotate_breakpoints_table (void) 187{ 188 if (annotation_level == 2) 189 printf_filtered (("\n\032\032breakpoints-table\n")); 190} 191 192void 193annotate_record (void) 194{ 195 if (annotation_level == 2) 196 printf_filtered (("\n\032\032record\n")); 197} 198 199void 200annotate_breakpoints_table_end (void) 201{ 202 if (annotation_level == 2) 203 printf_filtered (("\n\032\032breakpoints-table-end\n")); 204} 205 206void 207annotate_frames_invalid (void) 208{ 209 if (annotation_level == 2 210 && (!frames_invalid_emitted 211 || current_ui->prompt_state != PROMPT_BLOCKED)) 212 { 213 /* If the inferior owns the terminal (e.g., we're resuming), 214 make sure to leave with the inferior still owning it. */ 215 int was_inferior = target_terminal_is_inferior (); 216 217 target_terminal_ours_for_output (); 218 219 printf_unfiltered (("\n\032\032frames-invalid\n")); 220 221 if (was_inferior) 222 target_terminal_inferior (); 223 224 frames_invalid_emitted = 1; 225 } 226} 227 228void 229annotate_new_thread (void) 230{ 231 if (annotation_level > 1) 232 { 233 printf_unfiltered (("\n\032\032new-thread\n")); 234 } 235} 236 237void 238annotate_thread_changed (void) 239{ 240 if (annotation_level > 1) 241 { 242 printf_unfiltered (("\n\032\032thread-changed\n")); 243 } 244} 245 246void 247annotate_field_begin (struct type *type) 248{ 249 if (annotation_level == 2) 250 { 251 printf_filtered (("\n\032\032field-begin ")); 252 print_value_flags (type); 253 printf_filtered (("\n")); 254 } 255} 256 257void 258annotate_field_name_end (void) 259{ 260 if (annotation_level == 2) 261 printf_filtered (("\n\032\032field-name-end\n")); 262} 263 264void 265annotate_field_value (void) 266{ 267 if (annotation_level == 2) 268 printf_filtered (("\n\032\032field-value\n")); 269} 270 271void 272annotate_field_end (void) 273{ 274 if (annotation_level == 2) 275 printf_filtered (("\n\032\032field-end\n")); 276} 277 278void 279annotate_quit (void) 280{ 281 if (annotation_level > 1) 282 printf_filtered (("\n\032\032quit\n")); 283} 284 285void 286annotate_error (void) 287{ 288 if (annotation_level > 1) 289 printf_filtered (("\n\032\032error\n")); 290} 291 292void 293annotate_error_begin (void) 294{ 295 if (annotation_level > 1) 296 fprintf_filtered (gdb_stderr, "\n\032\032error-begin\n"); 297} 298 299void 300annotate_value_history_begin (int histindex, struct type *type) 301{ 302 if (annotation_level == 2) 303 { 304 printf_filtered (("\n\032\032value-history-begin %d "), histindex); 305 print_value_flags (type); 306 printf_filtered (("\n")); 307 } 308} 309 310void 311annotate_value_begin (struct type *type) 312{ 313 if (annotation_level == 2) 314 { 315 printf_filtered (("\n\032\032value-begin ")); 316 print_value_flags (type); 317 printf_filtered (("\n")); 318 } 319} 320 321void 322annotate_value_history_value (void) 323{ 324 if (annotation_level == 2) 325 printf_filtered (("\n\032\032value-history-value\n")); 326} 327 328void 329annotate_value_history_end (void) 330{ 331 if (annotation_level == 2) 332 printf_filtered (("\n\032\032value-history-end\n")); 333} 334 335void 336annotate_value_end (void) 337{ 338 if (annotation_level == 2) 339 printf_filtered (("\n\032\032value-end\n")); 340} 341 342void 343annotate_display_begin (void) 344{ 345 if (annotation_level == 2) 346 printf_filtered (("\n\032\032display-begin\n")); 347} 348 349void 350annotate_display_number_end (void) 351{ 352 if (annotation_level == 2) 353 printf_filtered (("\n\032\032display-number-end\n")); 354} 355 356void 357annotate_display_format (void) 358{ 359 if (annotation_level == 2) 360 printf_filtered (("\n\032\032display-format\n")); 361} 362 363void 364annotate_display_expression (void) 365{ 366 if (annotation_level == 2) 367 printf_filtered (("\n\032\032display-expression\n")); 368} 369 370void 371annotate_display_expression_end (void) 372{ 373 if (annotation_level == 2) 374 printf_filtered (("\n\032\032display-expression-end\n")); 375} 376 377void 378annotate_display_value (void) 379{ 380 if (annotation_level == 2) 381 printf_filtered (("\n\032\032display-value\n")); 382} 383 384void 385annotate_display_end (void) 386{ 387 if (annotation_level == 2) 388 printf_filtered (("\n\032\032display-end\n")); 389} 390 391void 392annotate_arg_begin (void) 393{ 394 if (annotation_level == 2) 395 printf_filtered (("\n\032\032arg-begin\n")); 396} 397 398void 399annotate_arg_name_end (void) 400{ 401 if (annotation_level == 2) 402 printf_filtered (("\n\032\032arg-name-end\n")); 403} 404 405void 406annotate_arg_value (struct type *type) 407{ 408 if (annotation_level == 2) 409 { 410 printf_filtered (("\n\032\032arg-value ")); 411 print_value_flags (type); 412 printf_filtered (("\n")); 413 } 414} 415 416void 417annotate_arg_end (void) 418{ 419 if (annotation_level == 2) 420 printf_filtered (("\n\032\032arg-end\n")); 421} 422 423void 424annotate_source (char *filename, int line, int character, int mid, 425 struct gdbarch *gdbarch, CORE_ADDR pc) 426{ 427 if (annotation_level > 1) 428 printf_filtered (("\n\032\032source ")); 429 else 430 printf_filtered (("\032\032")); 431 432 printf_filtered (("%s:%d:%d:%s:%s\n"), filename, line, character, 433 mid ? "middle" : "beg", paddress (gdbarch, pc)); 434} 435 436void 437annotate_frame_begin (int level, struct gdbarch *gdbarch, CORE_ADDR pc) 438{ 439 if (annotation_level > 1) 440 printf_filtered (("\n\032\032frame-begin %d %s\n"), 441 level, paddress (gdbarch, pc)); 442} 443 444void 445annotate_function_call (void) 446{ 447 if (annotation_level == 2) 448 printf_filtered (("\n\032\032function-call\n")); 449} 450 451void 452annotate_signal_handler_caller (void) 453{ 454 if (annotation_level == 2) 455 printf_filtered (("\n\032\032signal-handler-caller\n")); 456} 457 458void 459annotate_frame_address (void) 460{ 461 if (annotation_level == 2) 462 printf_filtered (("\n\032\032frame-address\n")); 463} 464 465void 466annotate_frame_address_end (void) 467{ 468 if (annotation_level == 2) 469 printf_filtered (("\n\032\032frame-address-end\n")); 470} 471 472void 473annotate_frame_function_name (void) 474{ 475 if (annotation_level == 2) 476 printf_filtered (("\n\032\032frame-function-name\n")); 477} 478 479void 480annotate_frame_args (void) 481{ 482 if (annotation_level == 2) 483 printf_filtered (("\n\032\032frame-args\n")); 484} 485 486void 487annotate_frame_source_begin (void) 488{ 489 if (annotation_level == 2) 490 printf_filtered (("\n\032\032frame-source-begin\n")); 491} 492 493void 494annotate_frame_source_file (void) 495{ 496 if (annotation_level == 2) 497 printf_filtered (("\n\032\032frame-source-file\n")); 498} 499 500void 501annotate_frame_source_file_end (void) 502{ 503 if (annotation_level == 2) 504 printf_filtered (("\n\032\032frame-source-file-end\n")); 505} 506 507void 508annotate_frame_source_line (void) 509{ 510 if (annotation_level == 2) 511 printf_filtered (("\n\032\032frame-source-line\n")); 512} 513 514void 515annotate_frame_source_end (void) 516{ 517 if (annotation_level == 2) 518 printf_filtered (("\n\032\032frame-source-end\n")); 519} 520 521void 522annotate_frame_where (void) 523{ 524 if (annotation_level == 2) 525 printf_filtered (("\n\032\032frame-where\n")); 526} 527 528void 529annotate_frame_end (void) 530{ 531 if (annotation_level == 2) 532 printf_filtered (("\n\032\032frame-end\n")); 533} 534 535void 536annotate_array_section_begin (int idx, struct type *elttype) 537{ 538 if (annotation_level == 2) 539 { 540 printf_filtered (("\n\032\032array-section-begin %d "), idx); 541 print_value_flags (elttype); 542 printf_filtered (("\n")); 543 } 544} 545 546void 547annotate_elt_rep (unsigned int repcount) 548{ 549 if (annotation_level == 2) 550 printf_filtered (("\n\032\032elt-rep %u\n"), repcount); 551} 552 553void 554annotate_elt_rep_end (void) 555{ 556 if (annotation_level == 2) 557 printf_filtered (("\n\032\032elt-rep-end\n")); 558} 559 560void 561annotate_elt (void) 562{ 563 if (annotation_level == 2) 564 printf_filtered (("\n\032\032elt\n")); 565} 566 567void 568annotate_array_section_end (void) 569{ 570 if (annotation_level == 2) 571 printf_filtered (("\n\032\032array-section-end\n")); 572} 573 574/* Called when GDB is about to display the prompt. Used to reset 575 annotation suppression whenever we're ready to accept new 576 frontend/user commands. */ 577 578void 579annotate_display_prompt (void) 580{ 581 frames_invalid_emitted = 0; 582 breakpoints_invalid_emitted = 0; 583} 584 585static void 586breakpoint_changed (struct breakpoint *b) 587{ 588 if (b->number <= 0) 589 return; 590 591 annotate_breakpoints_invalid (); 592} 593 594void 595_initialize_annotate (void) 596{ 597 observer_attach_breakpoint_created (breakpoint_changed); 598 observer_attach_breakpoint_deleted (breakpoint_changed); 599 observer_attach_breakpoint_modified (breakpoint_changed); 600} 601