| 1 | /* |
| 2 | ** This module contains functions for displaying the locator information in the locator window. |
| 3 | */ |
| 4 | |
| 5 | #include "defs.h" |
| 6 | #include "symtab.h" |
| 7 | #include "breakpoint.h" |
| 8 | #include "frame.h" |
| 9 | |
| 10 | #include "tui.h" |
| 11 | #include "tuiData.h" |
| 12 | #include "tuiStack.h" |
| 13 | #include "tuiSourceWin.h" |
| 14 | |
| 15 | |
| 16 | /***************************************** |
| 17 | ** STATIC LOCAL FUNCTIONS FORWARD DECLS ** |
| 18 | ******************************************/ |
| 19 | |
| 20 | static char *_getFuncNameFromFrame PARAMS ((struct frame_info *)); |
| 21 | static void _tuiUpdateLocation_command PARAMS ((char *, int)); |
| 22 | |
| 23 | |
| 24 | |
| 25 | /***************************************** |
| 26 | ** PUBLIC FUNCTION ** |
| 27 | ******************************************/ |
| 28 | |
| 29 | /* |
| 30 | ** tuiClearLocatorDisplay() |
| 31 | */ |
| 32 | void |
| 33 | #ifdef __STDC__ |
| 34 | tuiClearLocatorDisplay (void) |
| 35 | #else |
| 36 | tuiClearLocatorDisplay () |
| 37 | #endif |
| 38 | { |
| 39 | TuiGenWinInfoPtr locator = locatorWinInfoPtr (); |
| 40 | int i; |
| 41 | |
| 42 | if (locator->handle != (WINDOW *) NULL) |
| 43 | { |
| 44 | /* No need to werase, since writing a line of |
| 45 | * blanks which we do below, is equivalent. |
| 46 | */ |
| 47 | /* werase(locator->handle); */ |
| 48 | wmove (locator->handle, 0, 0); |
| 49 | wstandout (locator->handle); |
| 50 | for (i = 0; i < locator->width; i++) |
| 51 | waddch (locator->handle, ' '); |
| 52 | wstandend (locator->handle); |
| 53 | tuiRefreshWin (locator); |
| 54 | wmove (locator->handle, 0, 0); |
| 55 | locator->contentInUse = FALSE; |
| 56 | } |
| 57 | |
| 58 | return; |
| 59 | } /* tuiClearLocatorDisplay */ |
| 60 | |
| 61 | |
| 62 | /* |
| 63 | ** tuiShowLocatorContent() |
| 64 | */ |
| 65 | void |
| 66 | #ifdef __STDC__ |
| 67 | tuiShowLocatorContent (void) |
| 68 | #else |
| 69 | tuiShowLocatorContent () |
| 70 | #endif |
| 71 | { |
| 72 | char *string; |
| 73 | TuiGenWinInfoPtr locator; |
| 74 | |
| 75 | locator = locatorWinInfoPtr (); |
| 76 | |
| 77 | if (m_genWinPtrNotNull (locator) && locator->handle != (WINDOW *) NULL) |
| 78 | { |
| 79 | string = displayableWinContentAt (locator, 0); |
| 80 | if (string != (char *) NULL) |
| 81 | { |
| 82 | wmove (locator->handle, 0, 0); |
| 83 | wstandout (locator->handle); |
| 84 | waddstr (locator->handle, string); |
| 85 | wstandend (locator->handle); |
| 86 | tuiRefreshWin (locator); |
| 87 | wmove (locator->handle, 0, 0); |
| 88 | if (string != nullStr ()) |
| 89 | tuiFree (string); |
| 90 | locator->contentInUse = TRUE; |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | return; |
| 95 | } /* tuiShowLocatorContent */ |
| 96 | |
| 97 | |
| 98 | /* |
| 99 | ** tuiSetLocatorInfo(). |
| 100 | ** Function to update the locator, with the provided arguments. |
| 101 | */ |
| 102 | void |
| 103 | #ifdef __STDC__ |
| 104 | tuiSetLocatorInfo ( |
| 105 | char *fname, |
| 106 | char *procname, |
| 107 | int lineNo, |
| 108 | Opaque addr, |
| 109 | TuiLocatorElementPtr element) |
| 110 | #else |
| 111 | tuiSetLocatorInfo (fname, procname, lineNo, addr, element) |
| 112 | char *fname; |
| 113 | char *procname; |
| 114 | int lineNo; |
| 115 | Opaque addr; |
| 116 | TuiLocatorElementPtr element; |
| 117 | #endif |
| 118 | { |
| 119 | #ifdef COMMENT |
| 120 | /* first free the old info */ |
| 121 | if (element->fileName) |
| 122 | tuiFree (element->fileName); |
| 123 | if (element->procName) |
| 124 | tuiFree (element->procName); |
| 125 | |
| 126 | if (fname == (char *) NULL) |
| 127 | element->fileName = fname; |
| 128 | else |
| 129 | element->fileName = tuiStrDup (fname); |
| 130 | if (procname == (char *) NULL) |
| 131 | element->procName = procname; |
| 132 | else |
| 133 | element->procName = tuiStrDup (procname); |
| 134 | #else |
| 135 | element->fileName[0] = (char) 0; |
| 136 | element->procName[0] = (char) 0; |
| 137 | strcat_to_buf (element->fileName, MAX_LOCATOR_ELEMENT_LEN, fname); |
| 138 | strcat_to_buf (element->procName, MAX_LOCATOR_ELEMENT_LEN, procname); |
| 139 | #endif |
| 140 | element->lineNo = lineNo; |
| 141 | element->addr = (Opaque) addr; |
| 142 | |
| 143 | return; |
| 144 | } /* tuiSetLocatorInfo */ |
| 145 | |
| 146 | |
| 147 | /* |
| 148 | ** tuiUpdateLocatorFilename(). |
| 149 | ** Update only the filename portion of the locator. |
| 150 | */ |
| 151 | void |
| 152 | #ifdef __STDC__ |
| 153 | tuiUpdateLocatorFilename ( |
| 154 | char *fileName) |
| 155 | #else |
| 156 | tuiUpdateLocatorFilename (fileName) |
| 157 | char *fileName; |
| 158 | #endif |
| 159 | { |
| 160 | TuiGenWinInfoPtr locator = locatorWinInfoPtr (); |
| 161 | |
| 162 | if (locator->content[0] == (Opaque) NULL) |
| 163 | tuiSetLocatorContent ((struct frame_info *) NULL); |
| 164 | ((TuiWinElementPtr) locator->content[0])->whichElement.locator.fileName[0] = (char) 0; |
| 165 | strcat_to_buf (((TuiWinElementPtr) locator->content[0])->whichElement.locator.fileName, |
| 166 | MAX_LOCATOR_ELEMENT_LEN, |
| 167 | fileName); |
| 168 | |
| 169 | tuiShowLocatorContent (); |
| 170 | |
| 171 | return; |
| 172 | } /* tuiUpdateLocatorFilename */ |
| 173 | |
| 174 | |
| 175 | /* |
| 176 | ** tui_vUpdateLocatorFilename(). |
| 177 | ** Update only the filename portion of the locator with args in a va_list. |
| 178 | */ |
| 179 | void |
| 180 | #ifdef __STDC__ |
| 181 | tui_vUpdateLocatorFilename ( |
| 182 | va_list args) |
| 183 | #else |
| 184 | tui_vUpdateLocatorFilename (args) |
| 185 | va_list args; |
| 186 | #endif |
| 187 | { |
| 188 | char *fileName; |
| 189 | |
| 190 | fileName = va_arg (args, char *); |
| 191 | tuiUpdateLocatorFilename (fileName); |
| 192 | |
| 193 | return; |
| 194 | } /* tui_vUpdateLocatorFilename */ |
| 195 | |
| 196 | |
| 197 | /* |
| 198 | ** tuiSwitchFilename(). |
| 199 | ** Update the filename portion of the locator. Clear the other info in locator. |
| 200 | ** (elz) |
| 201 | */ |
| 202 | void |
| 203 | #ifdef __STDC__ |
| 204 | tuiSwitchFilename ( |
| 205 | char *fileName) |
| 206 | #else |
| 207 | tuiSwitchFilename (fileName) |
| 208 | char *fileName; |
| 209 | #endif |
| 210 | { |
| 211 | TuiGenWinInfoPtr locator = locatorWinInfoPtr (); |
| 212 | |
| 213 | if (locator->content[0] == (Opaque) NULL) |
| 214 | tuiSetLocatorContent ((struct frame_info *) NULL); |
| 215 | ((TuiWinElementPtr) locator->content[0])->whichElement.locator.fileName[0] = (char) 0; |
| 216 | |
| 217 | tuiSetLocatorInfo (fileName, |
| 218 | (char *) NULL, |
| 219 | 0, |
| 220 | (Opaque) NULL, |
| 221 | &((TuiWinElementPtr) locator->content[0])->whichElement.locator); |
| 222 | |
| 223 | tuiShowLocatorContent (); |
| 224 | |
| 225 | return; |
| 226 | } /* tuiSwitchFilename */ |
| 227 | |
| 228 | |
| 229 | /* |
| 230 | ** tuiGetLocatorFilename(). |
| 231 | ** Get the filename portion of the locator. |
| 232 | ** (elz) |
| 233 | */ |
| 234 | void |
| 235 | #ifdef __STDC__ |
| 236 | tuiGetLocatorFilename ( |
| 237 | TuiGenWinInfoPtr locator, |
| 238 | char **filename) |
| 239 | #else |
| 240 | tuiGetLocatorFilename (locator, filename) |
| 241 | TuiGenWinInfoPtr locator; |
| 242 | char **filename; |
| 243 | #endif |
| 244 | { |
| 245 | |
| 246 | /* the current filename could be non known, in which case the xmalloc would |
| 247 | allocate no memory, because the length would be 0 */ |
| 248 | if (((TuiWinElementPtr) locator->content[0])->whichElement.locator.fileName) |
| 249 | { |
| 250 | int name_length = |
| 251 | strlen (((TuiWinElementPtr) locator->content[0])->whichElement.locator.fileName); |
| 252 | |
| 253 | (*filename) = (char *) xmalloc (name_length + 1); |
| 254 | strcpy ((*filename), |
| 255 | ((TuiWinElementPtr) locator->content[0])->whichElement.locator.fileName); |
| 256 | } |
| 257 | |
| 258 | return; |
| 259 | } /* tuiGetLocatorFilename */ |
| 260 | |
| 261 | |
| 262 | /* |
| 263 | ** tuiUpdateLocatorInfoFromFrame(). |
| 264 | ** Function to update the locator, with the information extracted from frameInfo |
| 265 | */ |
| 266 | void |
| 267 | #ifdef __STDC__ |
| 268 | tuiUpdateLocatorInfoFromFrame ( |
| 269 | struct frame_info *frameInfo, |
| 270 | TuiLocatorElementPtr element) |
| 271 | #else |
| 272 | tuiUpdateLocatorInfoFromFrame (frameInfo, element) |
| 273 | struct frame_info *frameInfo; |
| 274 | TuiLocatorElementPtr element; |
| 275 | #endif |
| 276 | { |
| 277 | struct symtab_and_line symtabAndLine; |
| 278 | |
| 279 | /* now get the new info */ |
| 280 | symtabAndLine = find_pc_line (frameInfo->pc, |
| 281 | (frameInfo->next != (struct frame_info *) NULL && |
| 282 | !frameInfo->next->signal_handler_caller && |
| 283 | !frame_in_dummy (frameInfo->next))); |
| 284 | if (symtabAndLine.symtab && symtabAndLine.symtab->filename) |
| 285 | tuiSetLocatorInfo (symtabAndLine.symtab->filename, |
| 286 | _getFuncNameFromFrame (frameInfo), |
| 287 | symtabAndLine.line, |
| 288 | (Opaque) frameInfo->pc, |
| 289 | element); |
| 290 | else |
| 291 | tuiSetLocatorInfo ((char *) NULL, |
| 292 | _getFuncNameFromFrame (frameInfo), |
| 293 | 0, |
| 294 | (Opaque) frameInfo->pc, |
| 295 | element); |
| 296 | |
| 297 | return; |
| 298 | } /* tuiUpdateLocatorInfoFromFrame */ |
| 299 | |
| 300 | |
| 301 | /* |
| 302 | ** tuiSetLocatorContent(). |
| 303 | ** Function to set the content of the locator |
| 304 | */ |
| 305 | void |
| 306 | #ifdef __STDC__ |
| 307 | tuiSetLocatorContent ( |
| 308 | struct frame_info *frameInfo) |
| 309 | #else |
| 310 | tuiSetLocatorContent (frameInfo) |
| 311 | struct frame_info *frameInfo; |
| 312 | #endif |
| 313 | { |
| 314 | TuiGenWinInfoPtr locator = locatorWinInfoPtr (); |
| 315 | TuiWinElementPtr element; |
| 316 | struct symtab_and_line symtabAndLine; |
| 317 | |
| 318 | /* Allocate the element if necessary */ |
| 319 | if (locator->contentSize <= 0) |
| 320 | { |
| 321 | TuiWinContent contentPtr; |
| 322 | |
| 323 | if ((locator->content = (OpaquePtr) allocContent (1, locator->type)) == (OpaquePtr) NULL) |
| 324 | error ("Unable to Allocate Memory to Display Location."); |
| 325 | locator->contentSize = 1; |
| 326 | } |
| 327 | |
| 328 | if (frameInfo != (struct frame_info *) NULL) |
| 329 | tuiUpdateLocatorInfoFromFrame (frameInfo, |
| 330 | &((TuiWinElementPtr) locator->content[0])->whichElement.locator); |
| 331 | else |
| 332 | tuiSetLocatorInfo ((char *) NULL, |
| 333 | (char *) NULL, |
| 334 | 0, |
| 335 | (Opaque) NULL, |
| 336 | &((TuiWinElementPtr) locator->content[0])->whichElement.locator); |
| 337 | return; |
| 338 | } /* tuiSetLocatorContent */ |
| 339 | |
| 340 | |
| 341 | /* |
| 342 | ** tuiUpdateLocatorDisplay(). |
| 343 | ** Function to update the locator display |
| 344 | */ |
| 345 | void |
| 346 | #ifdef __STDC__ |
| 347 | tuiUpdateLocatorDisplay ( |
| 348 | struct frame_info *frameInfo) |
| 349 | #else |
| 350 | tuiUpdateLocatorDisplay (frameInfo) |
| 351 | struct frame_info *frameInfo; |
| 352 | #endif |
| 353 | { |
| 354 | tuiClearLocatorDisplay (); |
| 355 | tuiSetLocatorContent (frameInfo); |
| 356 | tuiShowLocatorContent (); |
| 357 | |
| 358 | return; |
| 359 | } /* tuiUpdateLocatorDisplay */ |
| 360 | |
| 361 | |
| 362 | /* |
| 363 | ** tuiShowFrameInfo(). |
| 364 | ** Function to print the frame inforrmation for the TUI. |
| 365 | */ |
| 366 | void |
| 367 | #ifdef __STDC__ |
| 368 | tuiShowFrameInfo ( |
| 369 | struct frame_info *fi) |
| 370 | #else |
| 371 | tuiShowFrameInfo (fi) |
| 372 | struct frame_info *fi; |
| 373 | #endif |
| 374 | { |
| 375 | TuiWinInfoPtr winInfo; |
| 376 | register int i; |
| 377 | |
| 378 | if (fi) |
| 379 | { |
| 380 | register int startLine, i; |
| 381 | register struct symtab *s; |
| 382 | CORE_ADDR low; |
| 383 | TuiGenWinInfoPtr locator = locatorWinInfoPtr (); |
| 384 | int sourceAlreadyDisplayed; |
| 385 | |
| 386 | |
| 387 | s = find_pc_symtab (fi->pc); |
| 388 | sourceAlreadyDisplayed = tuiSourceIsDisplayed (s->filename); |
| 389 | tuiUpdateLocatorDisplay (fi); |
| 390 | for (i = 0; i < (sourceWindows ())->count; i++) |
| 391 | { |
| 392 | winInfo = (TuiWinInfoPtr) (sourceWindows ())->list[i]; |
| 393 | if (winInfo == srcWin) |
| 394 | { |
| 395 | startLine = |
| 396 | (((TuiWinElementPtr) locator->content[0])->whichElement.locator.lineNo - |
| 397 | (winInfo->generic.viewportHeight / 2)) + 1; |
| 398 | if (startLine <= 0) |
| 399 | startLine = 1; |
| 400 | } |
| 401 | else |
| 402 | { |
| 403 | if (find_pc_partial_function (fi->pc, (char **) NULL, &low, (CORE_ADDR) NULL) == 0) |
| 404 | error ("No function contains program counter for selected frame.\n"); |
| 405 | else |
| 406 | low = (CORE_ADDR) tuiGetLowDisassemblyAddress ((Opaque) low, (Opaque) fi->pc); |
| 407 | } |
| 408 | |
| 409 | if (winInfo == srcWin) |
| 410 | { |
| 411 | if (!(sourceAlreadyDisplayed && m_tuiLineDisplayedWithinThreshold ( |
| 412 | winInfo, |
| 413 | ((TuiWinElementPtr) locator->content[0])->whichElement.locator.lineNo))) |
| 414 | tuiUpdateSourceWindow (winInfo, s, (Opaque) startLine, TRUE); |
| 415 | else |
| 416 | tuiSetIsExecPointAt ((Opaque) |
| 417 | ((TuiWinElementPtr) locator->content[0])->whichElement.locator.lineNo, |
| 418 | winInfo); |
| 419 | } |
| 420 | else |
| 421 | { |
| 422 | if (winInfo == disassemWin) |
| 423 | { |
| 424 | if (!m_tuiLineDisplayedWithinThreshold (winInfo, |
| 425 | ((TuiWinElementPtr) locator->content[0])->whichElement.locator.addr)) |
| 426 | tuiUpdateSourceWindow (winInfo, s, (Opaque) low, TRUE); |
| 427 | else |
| 428 | tuiSetIsExecPointAt ((Opaque) |
| 429 | ((TuiWinElementPtr) locator->content[0])->whichElement.locator.addr, |
| 430 | winInfo); |
| 431 | } |
| 432 | } |
| 433 | tuiUpdateExecInfo (winInfo); |
| 434 | } |
| 435 | } |
| 436 | else |
| 437 | { |
| 438 | tuiUpdateLocatorDisplay (fi); |
| 439 | for (i = 0; i < (sourceWindows ())->count; i++) |
| 440 | { |
| 441 | winInfo = (TuiWinInfoPtr) (sourceWindows ())->list[i]; |
| 442 | tuiClearSourceContent (winInfo, EMPTY_SOURCE_PROMPT); |
| 443 | tuiUpdateExecInfo (winInfo); |
| 444 | } |
| 445 | } |
| 446 | |
| 447 | return; |
| 448 | } /* tuiShowFrameInfo */ |
| 449 | |
| 450 | |
| 451 | /* |
| 452 | ** tui_vShowFrameInfo(). |
| 453 | ** Function to print the frame inforrmation for the TUI with args in a va_list. |
| 454 | */ |
| 455 | void |
| 456 | #ifdef __STDC__ |
| 457 | tui_vShowFrameInfo ( |
| 458 | va_list args) |
| 459 | #else |
| 460 | tui_vShowFrameInfo (args) |
| 461 | va_list args; |
| 462 | #endif |
| 463 | { |
| 464 | struct frame_info *fi; |
| 465 | |
| 466 | fi = va_arg (args, struct frame_info *); |
| 467 | tuiShowFrameInfo (fi); |
| 468 | |
| 469 | return; |
| 470 | } /* tui_vShowFrameInfo */ |
| 471 | |
| 472 | |
| 473 | /* |
| 474 | ** _initialize_tuiStack(). |
| 475 | ** Function to initialize gdb commands, for tui window stack manipulation. |
| 476 | */ |
| 477 | void |
| 478 | _initialize_tuiStack () |
| 479 | { |
| 480 | if (tui_version) |
| 481 | { |
| 482 | add_com ("update", class_tui, _tuiUpdateLocation_command, |
| 483 | "Update the source window and locator to display the current execution point.\n"); |
| 484 | } |
| 485 | |
| 486 | return; |
| 487 | } /* _initialize_tuiStack */ |
| 488 | |
| 489 | |
| 490 | /***************************************** |
| 491 | ** STATIC LOCAL FUNCTIONS ** |
| 492 | ******************************************/ |
| 493 | |
| 494 | /* |
| 495 | ** _getFuncNameFromFrame(). |
| 496 | */ |
| 497 | static char * |
| 498 | #ifdef __STDC__ |
| 499 | _getFuncNameFromFrame ( |
| 500 | struct frame_info *frameInfo) |
| 501 | #else |
| 502 | _getFuncNameFromFrame (frameInfo) |
| 503 | struct frame_info *frameInfo; |
| 504 | #endif |
| 505 | { |
| 506 | char *funcName = (char *) NULL; |
| 507 | |
| 508 | find_pc_partial_function (frameInfo->pc, |
| 509 | &funcName, |
| 510 | (CORE_ADDR *) NULL, |
| 511 | (CORE_ADDR *) NULL); |
| 512 | return funcName; |
| 513 | } /* _getFuncNameFromFrame */ |
| 514 | |
| 515 | |
| 516 | /* |
| 517 | ** _tuiUpdateLocation_command(). |
| 518 | ** Command to update the display with the current execution point |
| 519 | */ |
| 520 | static void |
| 521 | #ifdef __STDC__ |
| 522 | _tuiUpdateLocation_command ( |
| 523 | char *arg, |
| 524 | int fromTTY) |
| 525 | #else |
| 526 | _tuiUpdateLocation_command (arg, fromTTY) |
| 527 | char *arg; |
| 528 | int fromTTY; |
| 529 | #endif |
| 530 | { |
| 531 | #ifndef TRY |
| 532 | extern void frame_command PARAMS ((char *, int)); |
| 533 | frame_command ("0", FALSE); |
| 534 | #else |
| 535 | struct frame_info *curFrame; |
| 536 | |
| 537 | /* Obtain the current execution point */ |
| 538 | if ((curFrame = get_current_frame ()) != (struct frame_info *) NULL) |
| 539 | { |
| 540 | struct frame_info *frame; |
| 541 | int curLevel = 0; |
| 542 | |
| 543 | for (frame = get_prev_frame (curLevel); |
| 544 | (frame != (struct frame_info *) NULL && (frame != curFrame)); |
| 545 | frame = get_prev_frame (frame)) |
| 546 | curLevel++; |
| 547 | |
| 548 | if (curFrame != (struct frame_info *) NULL) |
| 549 | print_frame_info (frame, curLevel, 0, 1); |
| 550 | } |
| 551 | #endif |
| 552 | |
| 553 | return; |
| 554 | } /* _tuiUpdateLocation_command */ |