| 1 | /* TUI display source/assembly window. |
| 2 | |
| 3 | Copyright (C) 1998-2019 Free Software Foundation, Inc. |
| 4 | |
| 5 | Contributed by Hewlett-Packard Company. |
| 6 | |
| 7 | This file is part of GDB. |
| 8 | |
| 9 | This program is free software; you can redistribute it and/or modify |
| 10 | it under the terms of the GNU General Public License as published by |
| 11 | the Free Software Foundation; either version 3 of the License, or |
| 12 | (at your option) any later version. |
| 13 | |
| 14 | This program is distributed in the hope that it will be useful, |
| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | GNU General Public License for more details. |
| 18 | |
| 19 | You should have received a copy of the GNU General Public License |
| 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 21 | |
| 22 | #include "defs.h" |
| 23 | #include <ctype.h> |
| 24 | #include "symtab.h" |
| 25 | #include "frame.h" |
| 26 | #include "breakpoint.h" |
| 27 | #include "value.h" |
| 28 | #include "source.h" |
| 29 | #include "objfiles.h" |
| 30 | #include "filenames.h" |
| 31 | |
| 32 | #include "tui/tui.h" |
| 33 | #include "tui/tui-data.h" |
| 34 | #include "tui/tui-io.h" |
| 35 | #include "tui/tui-stack.h" |
| 36 | #include "tui/tui-win.h" |
| 37 | #include "tui/tui-wingeneral.h" |
| 38 | #include "tui/tui-winsource.h" |
| 39 | #include "tui/tui-source.h" |
| 40 | #include "tui/tui-disasm.h" |
| 41 | #include "gdb_curses.h" |
| 42 | |
| 43 | /* Function to display the "main" routine. */ |
| 44 | void |
| 45 | tui_display_main () |
| 46 | { |
| 47 | if (!tui_source_windows ().empty ()) |
| 48 | { |
| 49 | struct gdbarch *gdbarch; |
| 50 | CORE_ADDR addr; |
| 51 | |
| 52 | tui_get_begin_asm_address (&gdbarch, &addr); |
| 53 | if (addr != (CORE_ADDR) 0) |
| 54 | { |
| 55 | struct symtab *s; |
| 56 | |
| 57 | tui_update_source_windows_with_addr (gdbarch, addr); |
| 58 | s = find_pc_line_symtab (addr); |
| 59 | if (s != NULL) |
| 60 | tui_update_locator_fullname (symtab_to_fullname (s)); |
| 61 | else |
| 62 | tui_update_locator_fullname ("??"); |
| 63 | } |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | |
| 68 | |
| 69 | /* Function to display source in the source window. This function |
| 70 | initializes the horizontal scroll to 0. */ |
| 71 | void |
| 72 | tui_update_source_window (struct tui_source_window_base *win_info, |
| 73 | struct gdbarch *gdbarch, |
| 74 | struct symtab *s, |
| 75 | struct tui_line_or_address line_or_addr, |
| 76 | int noerror) |
| 77 | { |
| 78 | win_info->horizontal_offset = 0; |
| 79 | tui_update_source_window_as_is (win_info, gdbarch, s, line_or_addr, noerror); |
| 80 | } |
| 81 | |
| 82 | |
| 83 | /* Function to display source in the source/asm window. This function |
| 84 | shows the source as specified by the horizontal offset. */ |
| 85 | void |
| 86 | tui_update_source_window_as_is (struct tui_source_window_base *win_info, |
| 87 | struct gdbarch *gdbarch, |
| 88 | struct symtab *s, |
| 89 | struct tui_line_or_address line_or_addr, |
| 90 | int noerror) |
| 91 | { |
| 92 | enum tui_status ret; |
| 93 | |
| 94 | if (win_info->type == SRC_WIN) |
| 95 | ret = tui_set_source_content (win_info, s, line_or_addr.u.line_no, |
| 96 | noerror); |
| 97 | else |
| 98 | ret = tui_set_disassem_content (win_info, gdbarch, line_or_addr.u.addr); |
| 99 | |
| 100 | if (ret == TUI_FAILURE) |
| 101 | { |
| 102 | tui_clear_source_content (win_info); |
| 103 | tui_clear_exec_info_content (win_info); |
| 104 | } |
| 105 | else |
| 106 | { |
| 107 | tui_update_breakpoint_info (win_info, nullptr, false); |
| 108 | tui_show_source_content (win_info); |
| 109 | tui_update_exec_info (win_info); |
| 110 | if (win_info->type == SRC_WIN) |
| 111 | { |
| 112 | symtab_and_line sal; |
| 113 | |
| 114 | sal.line = line_or_addr.u.line_no + |
| 115 | (win_info->content.size () - 2); |
| 116 | sal.symtab = s; |
| 117 | sal.pspace = SYMTAB_PSPACE (s); |
| 118 | set_current_source_symtab_and_line (sal); |
| 119 | /* If the focus was in the asm win, put it in the src win if |
| 120 | we don't have a split layout. */ |
| 121 | if (tui_win_with_focus () == TUI_DISASM_WIN |
| 122 | && tui_current_layout () != SRC_DISASSEM_COMMAND) |
| 123 | tui_set_win_focus_to (win_info); |
| 124 | } |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | |
| 129 | /* Function to ensure that the source and/or disassemly windows |
| 130 | reflect the input address. */ |
| 131 | void |
| 132 | tui_update_source_windows_with_addr (struct gdbarch *gdbarch, CORE_ADDR addr) |
| 133 | { |
| 134 | if (addr != 0) |
| 135 | { |
| 136 | struct symtab_and_line sal; |
| 137 | struct tui_line_or_address l; |
| 138 | |
| 139 | switch (tui_current_layout ()) |
| 140 | { |
| 141 | case DISASSEM_COMMAND: |
| 142 | case DISASSEM_DATA_COMMAND: |
| 143 | tui_show_disassem (gdbarch, addr); |
| 144 | break; |
| 145 | case SRC_DISASSEM_COMMAND: |
| 146 | tui_show_disassem_and_update_source (gdbarch, addr); |
| 147 | break; |
| 148 | default: |
| 149 | sal = find_pc_line (addr, 0); |
| 150 | l.loa = LOA_LINE; |
| 151 | l.u.line_no = sal.line; |
| 152 | tui_show_symtab_source (TUI_SRC_WIN, gdbarch, sal.symtab, l, FALSE); |
| 153 | break; |
| 154 | } |
| 155 | } |
| 156 | else |
| 157 | { |
| 158 | for (struct tui_source_window_base *win_info : tui_source_windows ()) |
| 159 | { |
| 160 | tui_clear_source_content (win_info); |
| 161 | tui_clear_exec_info_content (win_info); |
| 162 | } |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | /* Function to ensure that the source and/or disassemly windows |
| 167 | reflect the input address. */ |
| 168 | void |
| 169 | tui_update_source_windows_with_line (struct symtab *s, int line) |
| 170 | { |
| 171 | struct gdbarch *gdbarch; |
| 172 | CORE_ADDR pc; |
| 173 | struct tui_line_or_address l; |
| 174 | |
| 175 | if (!s) |
| 176 | return; |
| 177 | |
| 178 | gdbarch = get_objfile_arch (SYMTAB_OBJFILE (s)); |
| 179 | |
| 180 | switch (tui_current_layout ()) |
| 181 | { |
| 182 | case DISASSEM_COMMAND: |
| 183 | case DISASSEM_DATA_COMMAND: |
| 184 | find_line_pc (s, line, &pc); |
| 185 | tui_update_source_windows_with_addr (gdbarch, pc); |
| 186 | break; |
| 187 | default: |
| 188 | l.loa = LOA_LINE; |
| 189 | l.u.line_no = line; |
| 190 | tui_show_symtab_source (TUI_SRC_WIN, gdbarch, s, l, FALSE); |
| 191 | if (tui_current_layout () == SRC_DISASSEM_COMMAND) |
| 192 | { |
| 193 | find_line_pc (s, line, &pc); |
| 194 | tui_show_disassem (gdbarch, pc); |
| 195 | } |
| 196 | break; |
| 197 | } |
| 198 | } |
| 199 | |
| 200 | void |
| 201 | tui_clear_source_content (struct tui_source_window_base *win_info) |
| 202 | { |
| 203 | if (win_info != NULL) |
| 204 | { |
| 205 | int i; |
| 206 | |
| 207 | tui_erase_source_content (win_info); |
| 208 | for (i = 0; i < win_info->content.size (); i++) |
| 209 | { |
| 210 | struct tui_source_element *element = &win_info->content[i]; |
| 211 | |
| 212 | element->break_mode = 0; |
| 213 | element->is_exec_point = false; |
| 214 | } |
| 215 | } |
| 216 | } |
| 217 | |
| 218 | |
| 219 | void |
| 220 | tui_erase_source_content (struct tui_source_window_base *win_info) |
| 221 | { |
| 222 | int x_pos; |
| 223 | int half_width = (win_info->width - 2) / 2; |
| 224 | |
| 225 | if (win_info->handle != NULL) |
| 226 | { |
| 227 | werase (win_info->handle); |
| 228 | win_info->check_and_display_highlight_if_needed (); |
| 229 | |
| 230 | const char *no_src_str; |
| 231 | |
| 232 | if (win_info->type == SRC_WIN) |
| 233 | no_src_str = NO_SRC_STRING; |
| 234 | else |
| 235 | no_src_str = NO_DISASSEM_STRING; |
| 236 | if (strlen (no_src_str) >= half_width) |
| 237 | x_pos = 1; |
| 238 | else |
| 239 | x_pos = half_width - strlen (no_src_str); |
| 240 | mvwaddstr (win_info->handle, |
| 241 | (win_info->height / 2), |
| 242 | x_pos, |
| 243 | (char *) no_src_str); |
| 244 | |
| 245 | win_info->content.clear (); |
| 246 | win_info->refresh_window (); |
| 247 | } |
| 248 | } |
| 249 | |
| 250 | |
| 251 | /* Redraw the complete line of a source or disassembly window. */ |
| 252 | static void |
| 253 | tui_show_source_line (struct tui_source_window_base *win_info, int lineno) |
| 254 | { |
| 255 | struct tui_source_element *line; |
| 256 | int x; |
| 257 | |
| 258 | line = &win_info->content[lineno - 1]; |
| 259 | if (line->is_exec_point) |
| 260 | tui_set_reverse_mode (win_info->handle, true); |
| 261 | |
| 262 | wmove (win_info->handle, lineno, 1); |
| 263 | tui_puts (line->line, |
| 264 | win_info->handle); |
| 265 | if (line->is_exec_point) |
| 266 | tui_set_reverse_mode (win_info->handle, false); |
| 267 | |
| 268 | /* Clear to end of line but stop before the border. */ |
| 269 | x = getcurx (win_info->handle); |
| 270 | while (x + 1 < win_info->width) |
| 271 | { |
| 272 | waddch (win_info->handle, ' '); |
| 273 | x = getcurx (win_info->handle); |
| 274 | } |
| 275 | } |
| 276 | |
| 277 | void |
| 278 | tui_show_source_content (struct tui_source_window_base *win_info) |
| 279 | { |
| 280 | if (!win_info->content.empty ()) |
| 281 | { |
| 282 | int lineno; |
| 283 | |
| 284 | for (lineno = 1; lineno <= win_info->content.size (); lineno++) |
| 285 | tui_show_source_line (win_info, lineno); |
| 286 | } |
| 287 | else |
| 288 | tui_erase_source_content (win_info); |
| 289 | |
| 290 | win_info->check_and_display_highlight_if_needed (); |
| 291 | win_info->refresh_window (); |
| 292 | } |
| 293 | |
| 294 | /* See tui-data.h. */ |
| 295 | |
| 296 | void |
| 297 | tui_source_window_base::clear_detail () |
| 298 | { |
| 299 | gdbarch = NULL; |
| 300 | start_line_or_addr.loa = LOA_ADDRESS; |
| 301 | start_line_or_addr.u.addr = 0; |
| 302 | horizontal_offset = 0; |
| 303 | } |
| 304 | |
| 305 | tui_source_window_base::tui_source_window_base (enum tui_win_type type) |
| 306 | : tui_win_info (type), |
| 307 | execution_info (new tui_exec_info_window ()) |
| 308 | { |
| 309 | gdb_assert (type == SRC_WIN || type == DISASSEM_WIN); |
| 310 | start_line_or_addr.loa = LOA_ADDRESS; |
| 311 | start_line_or_addr.u.addr = 0; |
| 312 | } |
| 313 | |
| 314 | |
| 315 | tui_source_window_base::~tui_source_window_base () |
| 316 | { |
| 317 | xfree (fullname); |
| 318 | delete execution_info; |
| 319 | } |
| 320 | |
| 321 | void |
| 322 | tui_source_window_base::reset (int height, int width, |
| 323 | int origin_x, int origin_y) |
| 324 | { |
| 325 | tui_gen_win_info::reset (height, width - 3, |
| 326 | origin_x + 3, origin_y); |
| 327 | execution_info->reset (height, 3, origin_x, origin_y); |
| 328 | } |
| 329 | |
| 330 | /* See tui-data.h. */ |
| 331 | |
| 332 | void |
| 333 | tui_source_window_base::refresh_all () |
| 334 | { |
| 335 | tui_show_source_content (this); |
| 336 | check_and_display_highlight_if_needed (); |
| 337 | tui_erase_exec_info_content (this); |
| 338 | tui_update_exec_info (this); |
| 339 | } |
| 340 | |
| 341 | /* See tui-data.h. */ |
| 342 | |
| 343 | void |
| 344 | tui_source_window_base::update_tab_width () |
| 345 | { |
| 346 | /* We don't really change the height of any windows, but |
| 347 | calling these 2 functions causes a complete regeneration |
| 348 | and redisplay of the window's contents, which will take |
| 349 | the new tab width into account. */ |
| 350 | make_invisible_and_set_new_height (height); |
| 351 | make_visible_with_new_height (); |
| 352 | } |
| 353 | |
| 354 | /* See tui-data.h. */ |
| 355 | |
| 356 | void |
| 357 | tui_source_window_base::set_new_height (int height) |
| 358 | { |
| 359 | execution_info->make_visible (false); |
| 360 | execution_info->height = height; |
| 361 | execution_info->origin.y = origin.y; |
| 362 | if (height > 1) |
| 363 | execution_info->viewport_height = height - 1; |
| 364 | else |
| 365 | execution_info->viewport_height = height; |
| 366 | execution_info->viewport_height--; |
| 367 | |
| 368 | if (m_has_locator) |
| 369 | { |
| 370 | tui_locator_window *gen_win_info = tui_locator_win_info_ptr (); |
| 371 | gen_win_info->make_visible (false); |
| 372 | gen_win_info->origin.y = origin.y + height; |
| 373 | } |
| 374 | } |
| 375 | |
| 376 | /* See tui-data.h. */ |
| 377 | |
| 378 | void |
| 379 | tui_source_window_base::do_make_visible_with_new_height () |
| 380 | { |
| 381 | execution_info->make_visible (true); |
| 382 | if (!content.empty ()) |
| 383 | { |
| 384 | struct tui_line_or_address line_or_addr; |
| 385 | struct symtab_and_line cursal |
| 386 | = get_current_source_symtab_and_line (); |
| 387 | |
| 388 | line_or_addr = start_line_or_addr; |
| 389 | tui_update_source_window (this, gdbarch, |
| 390 | cursal.symtab, line_or_addr, TRUE); |
| 391 | } |
| 392 | else if (deprecated_safe_get_selected_frame () != NULL) |
| 393 | { |
| 394 | struct tui_line_or_address line; |
| 395 | struct symtab_and_line cursal |
| 396 | = get_current_source_symtab_and_line (); |
| 397 | struct frame_info *frame = deprecated_safe_get_selected_frame (); |
| 398 | struct gdbarch *gdbarch = get_frame_arch (frame); |
| 399 | |
| 400 | struct symtab *s = find_pc_line_symtab (get_frame_pc (frame)); |
| 401 | if (type == SRC_WIN) |
| 402 | { |
| 403 | line.loa = LOA_LINE; |
| 404 | line.u.line_no = cursal.line; |
| 405 | } |
| 406 | else |
| 407 | { |
| 408 | line.loa = LOA_ADDRESS; |
| 409 | find_line_pc (s, cursal.line, &line.u.addr); |
| 410 | } |
| 411 | tui_update_source_window (this, gdbarch, s, line, TRUE); |
| 412 | } |
| 413 | if (m_has_locator) |
| 414 | { |
| 415 | tui_locator_win_info_ptr ()->make_visible (true); |
| 416 | tui_show_locator_content (); |
| 417 | } |
| 418 | } |
| 419 | |
| 420 | /* See tui-data.h. */ |
| 421 | |
| 422 | void |
| 423 | tui_source_window_base::make_visible (bool visible) |
| 424 | { |
| 425 | execution_info->make_visible (visible); |
| 426 | tui_win_info::make_visible (visible); |
| 427 | } |
| 428 | |
| 429 | /* See tui-data.h. */ |
| 430 | |
| 431 | void |
| 432 | tui_source_window_base::refresh_window () |
| 433 | { |
| 434 | execution_info->refresh_window (); |
| 435 | tui_win_info::refresh_window (); |
| 436 | } |
| 437 | |
| 438 | /* See tui-data.h. */ |
| 439 | |
| 440 | void |
| 441 | tui_source_window_base::refill () |
| 442 | { |
| 443 | symtab *s = nullptr; |
| 444 | |
| 445 | if (type == SRC_WIN) |
| 446 | { |
| 447 | symtab_and_line cursal = get_current_source_symtab_and_line (); |
| 448 | s = (cursal.symtab == NULL |
| 449 | ? find_pc_line_symtab (get_frame_pc (get_selected_frame (NULL))) |
| 450 | : cursal.symtab); |
| 451 | } |
| 452 | |
| 453 | tui_update_source_window_as_is (this, gdbarch, s, |
| 454 | content[0].line_or_addr, |
| 455 | FALSE); |
| 456 | } |
| 457 | |
| 458 | /* Scroll the source forward or backward horizontally. */ |
| 459 | |
| 460 | void |
| 461 | tui_source_window_base::do_scroll_horizontal (int num_to_scroll) |
| 462 | { |
| 463 | if (!content.empty ()) |
| 464 | { |
| 465 | int offset = horizontal_offset + num_to_scroll; |
| 466 | if (offset < 0) |
| 467 | offset = 0; |
| 468 | horizontal_offset = offset; |
| 469 | refill (); |
| 470 | } |
| 471 | } |
| 472 | |
| 473 | |
| 474 | /* Set or clear the is_exec_point flag in the line whose line is |
| 475 | line_no. */ |
| 476 | |
| 477 | void |
| 478 | tui_source_window_base::set_is_exec_point_at (struct tui_line_or_address l) |
| 479 | { |
| 480 | bool changed = false; |
| 481 | int i; |
| 482 | |
| 483 | i = 0; |
| 484 | while (i < content.size ()) |
| 485 | { |
| 486 | bool new_state; |
| 487 | struct tui_line_or_address content_loa = |
| 488 | content[i].line_or_addr; |
| 489 | |
| 490 | gdb_assert (l.loa == LOA_ADDRESS || l.loa == LOA_LINE); |
| 491 | gdb_assert (content_loa.loa == LOA_LINE |
| 492 | || content_loa.loa == LOA_ADDRESS); |
| 493 | if (content_loa.loa == l.loa |
| 494 | && ((l.loa == LOA_LINE && content_loa.u.line_no == l.u.line_no) |
| 495 | || (l.loa == LOA_ADDRESS && content_loa.u.addr == l.u.addr))) |
| 496 | new_state = true; |
| 497 | else |
| 498 | new_state = false; |
| 499 | if (new_state != content[i].is_exec_point) |
| 500 | { |
| 501 | changed = true; |
| 502 | content[i].is_exec_point = new_state; |
| 503 | tui_show_source_line (this, i + 1); |
| 504 | } |
| 505 | i++; |
| 506 | } |
| 507 | if (changed) |
| 508 | refill (); |
| 509 | } |
| 510 | |
| 511 | /* See tui-winsource.h. */ |
| 512 | |
| 513 | void |
| 514 | tui_update_all_breakpoint_info (struct breakpoint *being_deleted) |
| 515 | { |
| 516 | for (tui_source_window_base *win : tui_source_windows ()) |
| 517 | { |
| 518 | if (tui_update_breakpoint_info (win, being_deleted, false)) |
| 519 | { |
| 520 | tui_update_exec_info (win); |
| 521 | } |
| 522 | } |
| 523 | } |
| 524 | |
| 525 | |
| 526 | /* Scan the source window and the breakpoints to update the break_mode |
| 527 | information for each line. |
| 528 | |
| 529 | Returns true if something changed and the execution window must be |
| 530 | refreshed. */ |
| 531 | |
| 532 | bool |
| 533 | tui_update_breakpoint_info (struct tui_source_window_base *win, |
| 534 | struct breakpoint *being_deleted, |
| 535 | bool current_only) |
| 536 | { |
| 537 | int i; |
| 538 | bool need_refresh = false; |
| 539 | |
| 540 | for (i = 0; i < win->content.size (); i++) |
| 541 | { |
| 542 | struct breakpoint *bp; |
| 543 | extern struct breakpoint *breakpoint_chain; |
| 544 | struct tui_source_element *line; |
| 545 | |
| 546 | line = &win->content[i]; |
| 547 | if (current_only && !line->is_exec_point) |
| 548 | continue; |
| 549 | |
| 550 | /* Scan each breakpoint to see if the current line has something to |
| 551 | do with it. Identify enable/disabled breakpoints as well as |
| 552 | those that we already hit. */ |
| 553 | tui_bp_flags mode = 0; |
| 554 | for (bp = breakpoint_chain; |
| 555 | bp != NULL; |
| 556 | bp = bp->next) |
| 557 | { |
| 558 | struct bp_location *loc; |
| 559 | |
| 560 | gdb_assert (line->line_or_addr.loa == LOA_LINE |
| 561 | || line->line_or_addr.loa == LOA_ADDRESS); |
| 562 | |
| 563 | if (bp == being_deleted) |
| 564 | continue; |
| 565 | |
| 566 | for (loc = bp->loc; loc != NULL; loc = loc->next) |
| 567 | { |
| 568 | if (win->location_matches_p (loc, i)) |
| 569 | { |
| 570 | if (bp->enable_state == bp_disabled) |
| 571 | mode |= TUI_BP_DISABLED; |
| 572 | else |
| 573 | mode |= TUI_BP_ENABLED; |
| 574 | if (bp->hit_count) |
| 575 | mode |= TUI_BP_HIT; |
| 576 | if (bp->loc->cond) |
| 577 | mode |= TUI_BP_CONDITIONAL; |
| 578 | if (bp->type == bp_hardware_breakpoint) |
| 579 | mode |= TUI_BP_HARDWARE; |
| 580 | } |
| 581 | } |
| 582 | } |
| 583 | if (line->break_mode != mode) |
| 584 | { |
| 585 | line->break_mode = mode; |
| 586 | need_refresh = true; |
| 587 | } |
| 588 | } |
| 589 | return need_refresh; |
| 590 | } |
| 591 | |
| 592 | /* See tui-data.h. */ |
| 593 | |
| 594 | tui_exec_info_content * |
| 595 | tui_exec_info_window::maybe_allocate_content (int n_elements) |
| 596 | { |
| 597 | if (m_content == nullptr) |
| 598 | m_content = XNEWVEC (tui_exec_info_content, n_elements); |
| 599 | return m_content; |
| 600 | } |
| 601 | |
| 602 | |
| 603 | /* Function to initialize the content of the execution info window, |
| 604 | based upon the input window which is either the source or |
| 605 | disassembly window. */ |
| 606 | void |
| 607 | tui_set_exec_info_content (struct tui_source_window_base *win_info) |
| 608 | { |
| 609 | tui_exec_info_content *content |
| 610 | = win_info->execution_info->maybe_allocate_content (win_info->height); |
| 611 | |
| 612 | tui_update_breakpoint_info (win_info, nullptr, true); |
| 613 | for (int i = 0; i < win_info->content.size (); i++) |
| 614 | { |
| 615 | tui_exec_info_content &element = content[i]; |
| 616 | struct tui_source_element *src_element; |
| 617 | tui_bp_flags mode; |
| 618 | |
| 619 | src_element = &win_info->content[i]; |
| 620 | |
| 621 | memset (element, ' ', sizeof (tui_exec_info_content)); |
| 622 | element[TUI_EXECINFO_SIZE - 1] = 0; |
| 623 | |
| 624 | /* Now update the exec info content based upon the state |
| 625 | of each line as indicated by the source content. */ |
| 626 | mode = src_element->break_mode; |
| 627 | if (mode & TUI_BP_HIT) |
| 628 | element[TUI_BP_HIT_POS] = (mode & TUI_BP_HARDWARE) ? 'H' : 'B'; |
| 629 | else if (mode & (TUI_BP_ENABLED | TUI_BP_DISABLED)) |
| 630 | element[TUI_BP_HIT_POS] = (mode & TUI_BP_HARDWARE) ? 'h' : 'b'; |
| 631 | |
| 632 | if (mode & TUI_BP_ENABLED) |
| 633 | element[TUI_BP_BREAK_POS] = '+'; |
| 634 | else if (mode & TUI_BP_DISABLED) |
| 635 | element[TUI_BP_BREAK_POS] = '-'; |
| 636 | |
| 637 | if (src_element->is_exec_point) |
| 638 | element[TUI_EXEC_POS] = '>'; |
| 639 | } |
| 640 | } |
| 641 | |
| 642 | |
| 643 | void |
| 644 | tui_show_exec_info_content (struct tui_source_window_base *win_info) |
| 645 | { |
| 646 | struct tui_exec_info_window *exec_info = win_info->execution_info; |
| 647 | const tui_exec_info_content *content = exec_info->get_content (); |
| 648 | |
| 649 | werase (exec_info->handle); |
| 650 | for (int cur_line = 1; cur_line <= win_info->content.size (); cur_line++) |
| 651 | mvwaddstr (exec_info->handle, |
| 652 | cur_line, |
| 653 | 0, |
| 654 | content[cur_line - 1]); |
| 655 | exec_info->refresh_window (); |
| 656 | } |
| 657 | |
| 658 | |
| 659 | void |
| 660 | tui_erase_exec_info_content (struct tui_source_window_base *win_info) |
| 661 | { |
| 662 | struct tui_gen_win_info *exec_info = win_info->execution_info; |
| 663 | |
| 664 | werase (exec_info->handle); |
| 665 | exec_info->refresh_window (); |
| 666 | } |
| 667 | |
| 668 | void |
| 669 | tui_clear_exec_info_content (struct tui_source_window_base *win_info) |
| 670 | { |
| 671 | tui_erase_exec_info_content (win_info); |
| 672 | } |
| 673 | |
| 674 | /* Function to update the execution info window. */ |
| 675 | void |
| 676 | tui_update_exec_info (struct tui_source_window_base *win_info) |
| 677 | { |
| 678 | tui_set_exec_info_content (win_info); |
| 679 | tui_show_exec_info_content (win_info); |
| 680 | } |
| 681 | |
| 682 | void |
| 683 | tui_alloc_source_buffer (struct tui_source_window_base *win_info) |
| 684 | { |
| 685 | int i, line_width, max_lines; |
| 686 | |
| 687 | /* The window width/height includes the highlight box. Determine actual |
| 688 | content dimensions, including string null-terminators. */ |
| 689 | max_lines = win_info->height - 2; |
| 690 | line_width = win_info->width - 2 + 1; |
| 691 | |
| 692 | /* Allocate the buffer for the source lines. */ |
| 693 | win_info->content.resize (max_lines); |
| 694 | for (i = 0; i < max_lines; i++) |
| 695 | { |
| 696 | if (win_info->content[i].line == nullptr) |
| 697 | win_info->content[i].line = (char *) xmalloc (line_width); |
| 698 | } |
| 699 | } |
| 700 | |
| 701 | |
| 702 | /* Answer whether a particular line number or address is displayed |
| 703 | in the current source window. */ |
| 704 | int |
| 705 | tui_line_is_displayed (int line, |
| 706 | struct tui_source_window_base *win_info, |
| 707 | int check_threshold) |
| 708 | { |
| 709 | int is_displayed = FALSE; |
| 710 | int i, threshold; |
| 711 | |
| 712 | if (check_threshold) |
| 713 | threshold = SCROLL_THRESHOLD; |
| 714 | else |
| 715 | threshold = 0; |
| 716 | i = 0; |
| 717 | while (i < win_info->content.size () - threshold |
| 718 | && !is_displayed) |
| 719 | { |
| 720 | is_displayed |
| 721 | = win_info->content[i].line_or_addr.loa == LOA_LINE |
| 722 | && win_info->content[i].line_or_addr.u.line_no == line; |
| 723 | i++; |
| 724 | } |
| 725 | |
| 726 | return is_displayed; |
| 727 | } |
| 728 | |
| 729 | |
| 730 | /* Answer whether a particular line number or address is displayed |
| 731 | in the current source window. */ |
| 732 | int |
| 733 | tui_addr_is_displayed (CORE_ADDR addr, |
| 734 | struct tui_source_window_base *win_info, |
| 735 | int check_threshold) |
| 736 | { |
| 737 | int is_displayed = FALSE; |
| 738 | int i, threshold; |
| 739 | |
| 740 | if (check_threshold) |
| 741 | threshold = SCROLL_THRESHOLD; |
| 742 | else |
| 743 | threshold = 0; |
| 744 | i = 0; |
| 745 | while (i < win_info->content.size () - threshold |
| 746 | && !is_displayed) |
| 747 | { |
| 748 | is_displayed |
| 749 | = win_info->content[i].line_or_addr.loa == LOA_ADDRESS |
| 750 | && win_info->content[i].line_or_addr.u.addr == addr; |
| 751 | i++; |
| 752 | } |
| 753 | |
| 754 | return is_displayed; |
| 755 | } |