| 1 | /* General functions for the WDB TUI. |
| 2 | Copyright 1998, 1999, 2000, 2001 Free Software Foundation, Inc. |
| 3 | Contributed by Hewlett-Packard Company. |
| 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 2 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, write to the Free Software |
| 19 | Foundation, Inc., 59 Temple Place - Suite 330, |
| 20 | Boston, MA 02111-1307, USA. */ |
| 21 | |
| 22 | #include <stdio.h> |
| 23 | #include <stdlib.h> |
| 24 | #include <ctype.h> |
| 25 | #include <malloc.h> |
| 26 | #ifdef HAVE_TERM_H |
| 27 | #include <term.h> |
| 28 | #endif |
| 29 | #include <signal.h> |
| 30 | #include <fcntl.h> |
| 31 | #include <termio.h> |
| 32 | #include <setjmp.h> |
| 33 | #include "defs.h" |
| 34 | #include "gdbcmd.h" |
| 35 | #include "tui.h" |
| 36 | #include "tuiData.h" |
| 37 | #include "tuiLayout.h" |
| 38 | #include "tuiIO.h" |
| 39 | #include "tuiRegs.h" |
| 40 | #include "tuiWin.h" |
| 41 | |
| 42 | /* The Solaris header files seem to provide no declaration for this at |
| 43 | all when __STDC__ is defined. This shouldn't conflict with |
| 44 | anything. */ |
| 45 | extern char *tgoto (); |
| 46 | |
| 47 | /*********************** |
| 48 | ** Local Definitions |
| 49 | ************************/ |
| 50 | #define FILEDES 2 |
| 51 | /* Solaris <sys/termios.h> defines CTRL. */ |
| 52 | #ifndef CTRL |
| 53 | #define CTRL(x) (x & ~0140) |
| 54 | #endif |
| 55 | #define CHK(val, dft) (val<=0 ? dft : val) |
| 56 | |
| 57 | #define TOGGLE_USAGE "Usage:toggle breakpoints" |
| 58 | #define TUI_TOGGLE_USAGE "Usage:\ttoggle $fregs\n\ttoggle breakpoints" |
| 59 | |
| 60 | /***************************** |
| 61 | ** Local static forward decls |
| 62 | ******************************/ |
| 63 | static void _tuiReset (void); |
| 64 | static void _toggle_command (char *, int); |
| 65 | static void _tui_vToggle_command (va_list); |
| 66 | |
| 67 | |
| 68 | |
| 69 | /*********************** |
| 70 | ** Public Functions |
| 71 | ************************/ |
| 72 | |
| 73 | /* |
| 74 | ** tuiInit(). |
| 75 | */ |
| 76 | void |
| 77 | tuiInit (char *argv0) |
| 78 | { |
| 79 | extern void init_page_info (); |
| 80 | extern void initialize_tui_files (void); |
| 81 | |
| 82 | initialize_tui_files (); |
| 83 | initializeStaticData (); |
| 84 | initscr (); |
| 85 | refresh (); |
| 86 | setTermHeightTo (LINES); |
| 87 | setTermWidthTo (COLS); |
| 88 | tuiInitWindows (); |
| 89 | wrefresh (cmdWin->generic.handle); |
| 90 | init_page_info (); |
| 91 | /* Don't hook debugger output if doing command-window |
| 92 | * the XDB way. However, one thing we do want to do in |
| 93 | * XDB style is set up the scrolling region to be |
| 94 | * the bottom of the screen (tuiTermUnsetup()). |
| 95 | */ |
| 96 | fputs_unfiltered_hook = NULL; |
| 97 | rl_initialize (); /* need readline initialization to |
| 98 | * create termcap sequences |
| 99 | */ |
| 100 | tuiTermUnsetup (1, cmdWin->detail.commandInfo.curch); |
| 101 | |
| 102 | return; |
| 103 | } /* tuiInit */ |
| 104 | |
| 105 | |
| 106 | /* |
| 107 | ** tuiInitWindows(). |
| 108 | */ |
| 109 | void |
| 110 | tuiInitWindows (void) |
| 111 | { |
| 112 | TuiWinType type; |
| 113 | |
| 114 | tuiSetLocatorContent (0); |
| 115 | showLayout (SRC_COMMAND); |
| 116 | keypad (cmdWin->generic.handle, TRUE); |
| 117 | echo (); |
| 118 | crmode (); |
| 119 | nl (); |
| 120 | tuiSetWinFocusTo (srcWin); |
| 121 | |
| 122 | return; |
| 123 | } /* tuiInitWindows */ |
| 124 | |
| 125 | |
| 126 | /* |
| 127 | ** tuiCleanUp(). |
| 128 | ** Kill signal handler and cleanup termination method |
| 129 | */ |
| 130 | void |
| 131 | tuiResetScreen (void) |
| 132 | { |
| 133 | TuiWinType type = SRC_WIN; |
| 134 | |
| 135 | keypad (cmdWin->generic.handle, FALSE); |
| 136 | for (; type < MAX_MAJOR_WINDOWS; type++) |
| 137 | { |
| 138 | if (m_winPtrNotNull (winList[type]) && |
| 139 | winList[type]->generic.type != UNDEFINED_WIN && |
| 140 | !winList[type]->generic.isVisible) |
| 141 | tuiDelWindow (winList[type]); |
| 142 | } |
| 143 | endwin (); |
| 144 | initscr (); |
| 145 | refresh (); |
| 146 | echo (); |
| 147 | crmode (); |
| 148 | nl (); |
| 149 | |
| 150 | return; |
| 151 | } /* tuiResetScreen */ |
| 152 | |
| 153 | |
| 154 | /* |
| 155 | ** tuiCleanUp(). |
| 156 | ** Kill signal handler and cleanup termination method |
| 157 | */ |
| 158 | void |
| 159 | tuiCleanUp (void) |
| 160 | { |
| 161 | char *buffer; |
| 162 | extern char *term_cursor_move; |
| 163 | |
| 164 | signal (SIGINT, SIG_IGN); |
| 165 | tuiTermSetup (0); /* Restore scrolling region to whole screen */ |
| 166 | keypad (cmdWin->generic.handle, FALSE); |
| 167 | freeAllWindows (); |
| 168 | endwin (); |
| 169 | buffer = tgoto (term_cursor_move, 0, termHeight ()); |
| 170 | tputs (buffer, 1, putchar); |
| 171 | _tuiReset (); |
| 172 | |
| 173 | return; |
| 174 | } /* tuiCleanUp */ |
| 175 | |
| 176 | |
| 177 | /* |
| 178 | ** tuiError(). |
| 179 | */ |
| 180 | void |
| 181 | tuiError (char *string, int exitGdb) |
| 182 | { |
| 183 | puts_unfiltered (string); |
| 184 | if (exitGdb) |
| 185 | { |
| 186 | tuiCleanUp (); |
| 187 | exit (-1); |
| 188 | } |
| 189 | |
| 190 | return; |
| 191 | } /* tuiError */ |
| 192 | |
| 193 | |
| 194 | /* |
| 195 | ** tui_vError() |
| 196 | ** tuiError with args in a va_list. |
| 197 | */ |
| 198 | void |
| 199 | tui_vError (va_list args) |
| 200 | { |
| 201 | char *string; |
| 202 | int exitGdb; |
| 203 | |
| 204 | string = va_arg (args, char *); |
| 205 | exitGdb = va_arg (args, int); |
| 206 | |
| 207 | tuiError (string, exitGdb); |
| 208 | |
| 209 | return; |
| 210 | } /* tui_vError */ |
| 211 | |
| 212 | |
| 213 | /* |
| 214 | ** tuiFree() |
| 215 | ** Wrapper on top of free() to ensure that input address is greater than 0x0 |
| 216 | */ |
| 217 | void |
| 218 | tuiFree (char *ptr) |
| 219 | { |
| 220 | if (ptr != (char *) NULL) |
| 221 | { |
| 222 | xfree (ptr); |
| 223 | } |
| 224 | |
| 225 | return; |
| 226 | } /* tuiFree */ |
| 227 | |
| 228 | |
| 229 | /* tuiGetLowDisassemblyAddress(). |
| 230 | ** Determine what the low address will be to display in the TUI's |
| 231 | ** disassembly window. This may or may not be the same as the |
| 232 | ** low address input. |
| 233 | */ |
| 234 | Opaque |
| 235 | tuiGetLowDisassemblyAddress (Opaque low, Opaque pc) |
| 236 | { |
| 237 | int line; |
| 238 | Opaque newLow; |
| 239 | |
| 240 | /* |
| 241 | ** Determine where to start the disassembly so that the pc is about in the |
| 242 | ** middle of the viewport. |
| 243 | */ |
| 244 | for (line = 0, newLow = pc; |
| 245 | (newLow > low && |
| 246 | line < (tuiDefaultWinViewportHeight (DISASSEM_WIN, |
| 247 | DISASSEM_COMMAND) / 2));) |
| 248 | { |
| 249 | bfd_byte buffer[4]; |
| 250 | |
| 251 | newLow -= sizeof (bfd_getb32 (buffer)); |
| 252 | line++; |
| 253 | } |
| 254 | |
| 255 | return newLow; |
| 256 | } /* tuiGetLowDisassemblyAddress */ |
| 257 | |
| 258 | |
| 259 | /* tui_vGetLowDisassemblyAddress(). |
| 260 | ** Determine what the low address will be to display in the TUI's |
| 261 | ** disassembly window with args in a va_list. |
| 262 | */ |
| 263 | Opaque |
| 264 | tui_vGetLowDisassemblyAddress (va_list args) |
| 265 | { |
| 266 | int line; |
| 267 | Opaque newLow; |
| 268 | Opaque low; |
| 269 | Opaque pc; |
| 270 | |
| 271 | low = va_arg (args, Opaque); |
| 272 | pc = va_arg (args, Opaque); |
| 273 | |
| 274 | return (tuiGetLowDisassemblyAddress (low, pc)); |
| 275 | |
| 276 | } /* tui_vGetLowDisassemblyAddress */ |
| 277 | |
| 278 | |
| 279 | void |
| 280 | tui_vSelectSourceSymtab (va_list args) |
| 281 | { |
| 282 | struct symtab *s = va_arg (args, struct symtab *); |
| 283 | |
| 284 | select_source_symtab (s); |
| 285 | return; |
| 286 | } /* tui_vSelectSourceSymtab */ |
| 287 | |
| 288 | |
| 289 | /* |
| 290 | ** _initialize_tui(). |
| 291 | ** Function to initialize gdb commands, for tui window manipulation. |
| 292 | */ |
| 293 | void |
| 294 | _initialize_tui (void) |
| 295 | { |
| 296 | #if 0 |
| 297 | if (tui_version) |
| 298 | { |
| 299 | add_com ("toggle", class_tui, _toggle_command, |
| 300 | "Toggle Terminal UI Features\n\ |
| 301 | Usage: Toggle $fregs\n\ |
| 302 | \tToggles between single and double precision floating point registers.\n"); |
| 303 | } |
| 304 | #endif |
| 305 | char *helpStr; |
| 306 | |
| 307 | if (tui_version) |
| 308 | helpStr = "Toggle Specified Features\n\ |
| 309 | Usage:\ttoggle $fregs\n\ttoggle breakpoints"; |
| 310 | else |
| 311 | helpStr = "Toggle Specified Features\nUsage:toggle breakpoints"; |
| 312 | add_abbrev_prefix_cmd ("toggle", |
| 313 | class_tui, |
| 314 | _toggle_command, |
| 315 | helpStr, |
| 316 | &togglelist, |
| 317 | "toggle ", |
| 318 | 1, |
| 319 | &cmdlist); |
| 320 | } /* _initialize_tui */ |
| 321 | |
| 322 | |
| 323 | void |
| 324 | strcat_to_buf (char *buf, int buflen, char *itemToAdd) |
| 325 | { |
| 326 | if (itemToAdd != (char *) NULL && buf != (char *) NULL) |
| 327 | { |
| 328 | if ((strlen (buf) + strlen (itemToAdd)) <= buflen) |
| 329 | strcat (buf, itemToAdd); |
| 330 | else |
| 331 | strncat (buf, itemToAdd, (buflen - strlen (buf))); |
| 332 | } |
| 333 | |
| 334 | return; |
| 335 | } /* strcat_to_buf */ |
| 336 | |
| 337 | /* VARARGS */ |
| 338 | void |
| 339 | strcat_to_buf_with_fmt (char *buf, int bufLen, char *format, ...) |
| 340 | { |
| 341 | char *linebuffer; |
| 342 | struct cleanup *old_cleanups; |
| 343 | va_list args; |
| 344 | va_start (args, format); |
| 345 | vasprintf (&linebuffer, format, args); |
| 346 | old_cleanups = make_cleanup (xfree, linebuffer); |
| 347 | strcat_to_buf (buf, bufLen, linebuffer); |
| 348 | do_cleanups (old_cleanups); |
| 349 | va_end (args); |
| 350 | } |
| 351 | |
| 352 | |
| 353 | |
| 354 | |
| 355 | |
| 356 | /*********************** |
| 357 | ** Static Functions |
| 358 | ************************/ |
| 359 | |
| 360 | |
| 361 | |
| 362 | static void |
| 363 | _toggle_command (char *arg, int fromTTY) |
| 364 | { |
| 365 | printf_filtered ("Specify feature to toggle.\n%s\n", |
| 366 | (tui_version) ? TUI_TOGGLE_USAGE : TOGGLE_USAGE); |
| 367 | /* |
| 368 | tuiDo((TuiOpaqueFuncPtr)_Toggle_command, arg, fromTTY); |
| 369 | */ |
| 370 | } |
| 371 | |
| 372 | /* |
| 373 | ** _tui_vToggle_command(). |
| 374 | */ |
| 375 | static void |
| 376 | _tui_vToggle_command (va_list args) |
| 377 | { |
| 378 | char *arg; |
| 379 | int fromTTY; |
| 380 | |
| 381 | arg = va_arg (args, char *); |
| 382 | |
| 383 | if (arg == (char *) NULL) |
| 384 | printf_filtered (TOGGLE_USAGE); |
| 385 | else |
| 386 | { |
| 387 | char *ptr = (char *) tuiStrDup (arg); |
| 388 | int i; |
| 389 | |
| 390 | for (i = 0; (ptr[i]); i++) |
| 391 | ptr[i] = toupper (arg[i]); |
| 392 | |
| 393 | if (subset_compare (ptr, TUI_FLOAT_REGS_NAME)) |
| 394 | tuiToggleFloatRegs (); |
| 395 | /* else if (subset_compare(ptr, "ANOTHER TOGGLE OPTION")) |
| 396 | ... |
| 397 | */ |
| 398 | else |
| 399 | printf_filtered (TOGGLE_USAGE); |
| 400 | tuiFree (ptr); |
| 401 | } |
| 402 | |
| 403 | return; |
| 404 | } /* _tuiToggle_command */ |
| 405 | |
| 406 | |
| 407 | static void |
| 408 | _tuiReset (void) |
| 409 | { |
| 410 | struct termio mode; |
| 411 | |
| 412 | /* |
| 413 | ** reset the teletype mode bits to a sensible state. |
| 414 | ** Copied tset.c |
| 415 | */ |
| 416 | #if ! defined (USG) && defined (TIOCGETC) |
| 417 | struct tchars tbuf; |
| 418 | #endif /* !USG && TIOCGETC */ |
| 419 | #ifdef UCB_NTTY |
| 420 | struct ltchars ltc; |
| 421 | |
| 422 | if (ldisc == NTTYDISC) |
| 423 | { |
| 424 | ioctl (FILEDES, TIOCGLTC, <c); |
| 425 | ltc.t_suspc = CHK (ltc.t_suspc, CTRL ('Z')); |
| 426 | ltc.t_dsuspc = CHK (ltc.t_dsuspc, CTRL ('Y')); |
| 427 | ltc.t_rprntc = CHK (ltc.t_rprntc, CTRL ('R')); |
| 428 | ltc.t_flushc = CHK (ltc.t_flushc, CTRL ('O')); |
| 429 | ltc.t_werasc = CHK (ltc.t_werasc, CTRL ('W')); |
| 430 | ltc.t_lnextc = CHK (ltc.t_lnextc, CTRL ('V')); |
| 431 | ioctl (FILEDES, TIOCSLTC, <c); |
| 432 | } |
| 433 | #endif /* UCB_NTTY */ |
| 434 | #ifndef USG |
| 435 | #ifdef TIOCGETC |
| 436 | ioctl (FILEDES, TIOCGETC, &tbuf); |
| 437 | tbuf.t_intrc = CHK (tbuf.t_intrc, CTRL ('?')); |
| 438 | tbuf.t_quitc = CHK (tbuf.t_quitc, CTRL ('\\')); |
| 439 | tbuf.t_startc = CHK (tbuf.t_startc, CTRL ('Q')); |
| 440 | tbuf.t_stopc = CHK (tbuf.t_stopc, CTRL ('S')); |
| 441 | tbuf.t_eofc = CHK (tbuf.t_eofc, CTRL ('D')); |
| 442 | /* brkc is left alone */ |
| 443 | ioctl (FILEDES, TIOCSETC, &tbuf); |
| 444 | #endif /* TIOCGETC */ |
| 445 | mode.sg_flags &= ~(RAW |
| 446 | #ifdef CBREAK |
| 447 | | CBREAK |
| 448 | #endif /* CBREAK */ |
| 449 | | VTDELAY | ALLDELAY); |
| 450 | mode.sg_flags |= XTABS | ECHO | CRMOD | ANYP; |
| 451 | #else /*USG */ |
| 452 | ioctl (FILEDES, TCGETA, &mode); |
| 453 | mode.c_cc[VINTR] = CHK (mode.c_cc[VINTR], CTRL ('?')); |
| 454 | mode.c_cc[VQUIT] = CHK (mode.c_cc[VQUIT], CTRL ('\\')); |
| 455 | mode.c_cc[VEOF] = CHK (mode.c_cc[VEOF], CTRL ('D')); |
| 456 | |
| 457 | mode.c_iflag &= ~(IGNBRK | PARMRK | INPCK | INLCR | IGNCR | IUCLC | IXOFF); |
| 458 | mode.c_iflag |= (BRKINT | ISTRIP | ICRNL | IXON); |
| 459 | mode.c_oflag &= ~(OLCUC | OCRNL | ONOCR | ONLRET | OFILL | OFDEL | |
| 460 | NLDLY | CRDLY | TABDLY | BSDLY | VTDLY | FFDLY); |
| 461 | mode.c_oflag |= (OPOST | ONLCR); |
| 462 | mode.c_cflag &= ~(CSIZE | PARODD | CLOCAL); |
| 463 | #ifndef hp9000s800 |
| 464 | mode.c_cflag |= (CS8 | CREAD); |
| 465 | #else /*hp9000s800 */ |
| 466 | mode.c_cflag |= (CS8 | CSTOPB | CREAD); |
| 467 | #endif /* hp9000s800 */ |
| 468 | mode.c_lflag &= ~(XCASE | ECHONL | NOFLSH); |
| 469 | mode.c_lflag |= (ISIG | ICANON | ECHO | ECHOK); |
| 470 | ioctl (FILEDES, TCSETAW, &mode); |
| 471 | #endif /* USG */ |
| 472 | |
| 473 | return; |
| 474 | } /* _tuiReset */ |