gdb/main.c

   1 /* Top level stuff for GDB, the GNU debugger.
   2    Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995
   3    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 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, Boston, MA 02111-1307, USA.  */
  20
  21 #include "defs.h"
  22 #include <setjmp.h>
  23 #include "top.h"
  24 #include "target.h"
  25 #include "inferior.h"
  26 #include "call-cmds.h"
  27
  28 #include "getopt.h"
  29
  30 #include <sys/types.h>
  31 #include "gdb_stat.h"
  32 #include <ctype.h>
  33
  34 #include "gdb_string.h"
  35
  36 /* Temporary variable for SET_TOP_LEVEL.  */
  37
  38 static int top_level_val;
  39
  40 /* Do a setjmp on error_return and quit_return.  catch_errors is
  41    generally a cleaner way to do this, but main() would look pretty
  42    ugly if it had to use catch_errors each time.  */
  43
  44 #define SET_TOP_LEVEL() \
  45   (((top_level_val = SIGSETJMP (error_return)) \
  46     ? (PTR) 0 : (PTR) memcpy (quit_return, error_return, sizeof (SIGJMP_BUF))) \
  47    , top_level_val)
  48
  49 /* If nonzero, display time usage both at startup and for each command.  */
  50
  51 int display_time;
  52
  53 /* If nonzero, display space usage both at startup and for each command.  */
  54
  55 int display_space;
  56
  57 /* Whether this is the command line version or not */
  58 int tui_version = 0;
  59
  60 /* Whether xdb commands will be handled */
  61 int xdb_commands = 0;
  62
  63 /* Whether dbx commands will be handled */
  64 int dbx_commands = 0;
  65
  66 GDB_FILE *gdb_stdout;
  67 GDB_FILE *gdb_stderr;
  68
  69 /* Whether to enable writing into executable and core files */
  70 extern int write_files;
  71
  72 static void print_gdb_help PARAMS ((GDB_FILE *));
  73 extern void gdb_init PARAMS ((char *));
  74
  75 /* These two are used to set the external editor commands when gdb is farming
  76    out files to be edited by another program. */
  77
  78 extern int enable_external_editor;
  79 extern char * external_editor_command;
  80
  81 #ifdef __CYGWIN__
  82 #include <windows.h> /* for MAX_PATH */
  83 #include <sys/cygwin.h> /* for cygwin32_conv_to_posix_path */
  84 #endif
  85
  86 int
  87 main (argc, argv)
  88      int argc;
  89      char **argv;
  90 {
  91   int count;
  92   static int quiet = 0;
  93   static int batch = 0;
  94
  95   /* Pointers to various arguments from command line.  */
  96   char *symarg = NULL;
  97   char *execarg = NULL;
  98   char *corearg = NULL;
  99   char *cdarg = NULL;
 100   char *ttyarg = NULL;
 101
 102   /* These are static so that we can take their address in an initializer.  */
 103   static int print_help;
 104   static int print_version;
 105
 106   /* Pointers to all arguments of --command option.  */
 107   char **cmdarg;
 108   /* Allocated size of cmdarg.  */
 109   int cmdsize;
 110   /* Number of elements of cmdarg used.  */
 111   int ncmd;
 112
 113   /* Indices of all arguments of --directory option.  */
 114   char **dirarg;
 115   /* Allocated size.  */
 116   int dirsize;
 117   /* Number of elements used.  */
 118   int ndir;
 119
 120   struct stat homebuf, cwdbuf;
 121   char *homedir, *homeinit;
 122
 123   register int i;
 124
 125   long time_at_startup = get_run_time ();
 126
 127   int gdb_file_size;
 128
 129   START_PROGRESS (argv[0], 0);
 130
 131 #ifdef MPW
 132   /* Do all Mac-specific setup. */
 133   mac_init ();
 134 #endif /* MPW */
 135
 136   /* This needs to happen before the first use of malloc.  */
 137   init_malloc ((PTR) NULL);
 138
 139 #if defined (ALIGN_STACK_ON_STARTUP)
 140   i = (int) &count & 0x3;
 141   if (i != 0)
 142     alloca (4 - i);
 143 #endif
 144
 145   /* If error() is called from initialization code, just exit */
 146   if (SET_TOP_LEVEL ()) {
 147     exit(1);
 148   }
 149
 150   cmdsize = 1;
 151   cmdarg = (char **) xmalloc (cmdsize * sizeof (*cmdarg));
 152   ncmd = 0;
 153   dirsize = 1;
 154   dirarg = (char **) xmalloc (dirsize * sizeof (*dirarg));
 155   ndir = 0;
 156
 157   quit_flag = 0;
 158   line = (char *) xmalloc (linesize);
 159   line[0] = '\0';               /* Terminate saved (now empty) cmd line */
 160   instream = stdin;
 161
 162   getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
 163   current_directory = gdb_dirbuf;
 164
 165   gdb_file_size = sizeof(GDB_FILE);
 166
 167   gdb_stdout = (GDB_FILE *)xmalloc (gdb_file_size);
 168   gdb_stdout->ts_streamtype = afile;
 169   gdb_stdout->ts_filestream = stdout;
 170   gdb_stdout->ts_strbuf = NULL;
 171   gdb_stdout->ts_buflen = 0;
 172
 173   gdb_stderr = (GDB_FILE *)xmalloc (gdb_file_size);
 174   gdb_stderr->ts_streamtype = afile;
 175   gdb_stderr->ts_filestream = stderr;
 176   gdb_stderr->ts_strbuf = NULL;
 177   gdb_stderr->ts_buflen = 0;
 178
 179   /* Parse arguments and options.  */
 180   {
 181     int c;
 182     /* When var field is 0, use flag field to record the equivalent
 183        short option (or arbitrary numbers starting at 10 for those
 184        with no equivalent).  */
 185     static struct option long_options[] =
 186       {
 187 #if defined(TUI)
 188         {"tui", no_argument, &tui_version, 1},
 189 #endif
 190         {"xdb", no_argument, &xdb_commands, 1},
 191         {"dbx", no_argument, &dbx_commands, 1},
 192         {"readnow", no_argument, &readnow_symbol_files, 1},
 193         {"r", no_argument, &readnow_symbol_files, 1},
 194         {"mapped", no_argument, &mapped_symbol_files, 1},
 195         {"m", no_argument, &mapped_symbol_files, 1},
 196         {"quiet", no_argument, &quiet, 1},
 197         {"q", no_argument, &quiet, 1},
 198         {"silent", no_argument, &quiet, 1},
 199         {"nx", no_argument, &inhibit_gdbinit, 1},
 200         {"n", no_argument, &inhibit_gdbinit, 1},
 201         {"batch", no_argument, &batch, 1},
 202         {"epoch", no_argument, &epoch_interface, 1},
 203
 204         /* This is a synonym for "--annotate=1".  --annotate is now preferred,
 205            but keep this here for a long time because people will be running
 206            emacses which use --fullname.  */
 207         {"fullname", no_argument, 0, 'f'},
 208         {"f", no_argument, 0, 'f'},
 209
 210         {"annotate", required_argument, 0, 12},
 211         {"help", no_argument, &print_help, 1},
 212         {"se", required_argument, 0, 10},
 213         {"symbols", required_argument, 0, 's'},
 214         {"s", required_argument, 0, 's'},
 215         {"exec", required_argument, 0, 'e'},
 216         {"e", required_argument, 0, 'e'},
 217         {"core", required_argument, 0, 'c'},
 218         {"c", required_argument, 0, 'c'},
 219         {"command", required_argument, 0, 'x'},
 220         {"version", no_argument, &print_version, 1},
 221         {"x", required_argument, 0, 'x'},
 222         {"directory", required_argument, 0, 'd'},
 223         {"cd", required_argument, 0, 11},
 224         {"tty", required_argument, 0, 't'},
 225         {"baud", required_argument, 0, 'b'},
 226         {"b", required_argument, 0, 'b'},
 227         {"nw", no_argument, &use_windows, 0},
 228         {"nowindows", no_argument, &use_windows, 0},
 229         {"w", no_argument, &use_windows, 1},
 230         {"windows", no_argument, &use_windows, 1},
 231         {"statistics", no_argument, 0, 13},
 232         {"write", no_argument, &write_files, 1},
 233 /* Allow machine descriptions to add more options... */
 234 #ifdef ADDITIONAL_OPTIONS
 235         ADDITIONAL_OPTIONS
 236 #endif
 237         {0, no_argument, 0, 0}
 238       };
 239
 240     while (1)
 241       {
 242         int option_index;
 243
 244         c = getopt_long_only (argc, argv, "",
 245                               long_options, &option_index);
 246         if (c == EOF)
 247           break;
 248
 249         /* Long option that takes an argument.  */
 250         if (c == 0 && long_options[option_index].flag == 0)
 251           c = long_options[option_index].val;
 252
 253         switch (c)
 254           {
 255           case 0:
 256             /* Long option that just sets a flag.  */
 257             break;
 258           case 10:
 259             symarg = optarg;
 260             execarg = optarg;
 261             break;
 262           case 11:
 263             cdarg = optarg;
 264             break;
 265           case 12:
 266             /* FIXME: what if the syntax is wrong (e.g. not digits)?  */
 267             annotation_level = atoi (optarg);
 268             break;
 269           case 13:
 270             /* Enable the display of both time and space usage.  */
 271             display_time = 1;
 272             display_space = 1;
 273             break;
 274           case 'f':
 275             annotation_level = 1;
 276 /* We have probably been invoked from emacs.  Disable window interface.  */
 277             use_windows = 0;
 278             break;
 279           case 's':
 280             symarg = optarg;
 281             break;
 282           case 'e':
 283             execarg = optarg;
 284             break;
 285           case 'c':
 286             corearg = optarg;
 287             break;
 288           case 'x':
 289             cmdarg[ncmd++] = optarg;
 290             if (ncmd >= cmdsize)
 291               {
 292                 cmdsize *= 2;
 293                 cmdarg = (char **) xrealloc ((char *)cmdarg,
 294                                              cmdsize * sizeof (*cmdarg));
 295               }
 296             break;
 297           case 'd':
 298             dirarg[ndir++] = optarg;
 299             if (ndir >= dirsize)
 300               {
 301                 dirsize *= 2;
 302                 dirarg = (char **) xrealloc ((char *)dirarg,
 303                                              dirsize * sizeof (*dirarg));
 304               }
 305             break;
 306           case 't':
 307             ttyarg = optarg;
 308             break;
 309           case 'q':
 310             quiet = 1;
 311             break;
 312           case 'b':
 313             {
 314               int i;
 315               char *p;
 316
 317               i = strtol (optarg, &p, 0);
 318               if (i == 0 && p == optarg)
 319
 320                 /* Don't use *_filtered or warning() (which relies on
 321                    current_target) until after initialize_all_files(). */
 322
 323                 fprintf_unfiltered
 324                   (gdb_stderr,
 325                    "warning: could not set baud rate to `%s'.\n", optarg);
 326               else
 327                 baud_rate = i;
 328             }
 329           case 'l':
 330             {
 331               int i;
 332               char *p;
 333
 334               i = strtol (optarg, &p, 0);
 335               if (i == 0 && p == optarg)
 336
 337                 /* Don't use *_filtered or warning() (which relies on
 338                    current_target) until after initialize_all_files(). */
 339
 340                 fprintf_unfiltered
 341                   (gdb_stderr,
 342                    "warning: could not set timeout limit to `%s'.\n", optarg);
 343               else
 344                 remote_timeout = i;
 345             }
 346             break;
 347
 348 #ifdef ADDITIONAL_OPTION_CASES
 349           ADDITIONAL_OPTION_CASES
 350 #endif
 351           case '?':
 352             fprintf_unfiltered (gdb_stderr,
 353                      "Use `%s --help' for a complete list of options.\n",
 354                      argv[0]);
 355             exit (1);
 356           }
 357       }
 358
 359     /* If --help or --version, disable window interface.  */
 360     if (print_help || print_version)
 361       {
 362         use_windows = 0;
 363 #ifdef TUI
 364         /* Disable the TUI as well.  */
 365         tui_version = 0;
 366 #endif
 367       }
 368
 369 #ifdef TUI
 370     /* An explicit --tui flag overrides the default UI, which is the
 371        window system.  */
 372     if (tui_version)
 373       use_windows = 0;
 374 #endif
 375
 376     /* OK, that's all the options.  The other arguments are filenames.  */
 377     count = 0;
 378     for (; optind < argc; optind++)
 379       switch (++count)
 380         {
 381         case 1:
 382           symarg = argv[optind];
 383           execarg = argv[optind];
 384           break;
 385         case 2:
 386           corearg = argv[optind];
 387           break;
 388         case 3:
 389           fprintf_unfiltered (gdb_stderr,
 390                    "Excess command line arguments ignored. (%s%s)\n",
 391                    argv[optind], (optind == argc - 1) ? "" : " ...");
 392           break;
 393         }
 394     if (batch)
 395       quiet = 1;
 396   }
 397
 398 #if defined(TUI)
 399   if (tui_version)
 400     init_ui_hook = tuiInit;
 401 #endif
 402   gdb_init (argv[0]);
 403
 404   /* Do these (and anything which might call wrap_here or *_filtered)
 405      after initialize_all_files.  */
 406   if (print_version)
 407     {
 408       print_gdb_version (gdb_stdout);
 409       wrap_here ("");
 410       printf_filtered ("\n");
 411       exit (0);
 412     }
 413
 414   if (print_help)
 415     {
 416       print_gdb_help (gdb_stdout);
 417       fputs_unfiltered ("\n", gdb_stdout);
 418       exit (0);
 419     }
 420
 421   if (!quiet)
 422     {
 423       /* Print all the junk at the top, with trailing "..." if we are about
 424          to read a symbol file (possibly slowly).  */
 425       print_gdb_version (gdb_stdout);
 426       if (symarg)
 427         printf_filtered ("..");
 428       wrap_here("");
 429       gdb_flush (gdb_stdout);           /* Force to screen during slow operations */
 430     }
 431
 432   error_pre_print = "\n\n";
 433   quit_pre_print = error_pre_print;
 434
 435   /* We may get more than one warning, don't double space all of them... */
 436   warning_pre_print = "\nwarning: ";
 437
 438   /* Read and execute $HOME/.gdbinit file, if it exists.  This is done
 439      *before* all the command line arguments are processed; it sets
 440      global parameters, which are independent of what file you are
 441      debugging or what directory you are in.  */
 442 #ifdef __CYGWIN32__
 443   {
 444     char * tmp = getenv ("HOME");
 445
 446     if (tmp != NULL)
 447       {
 448         homedir = (char *) alloca (MAX_PATH+1);
 449         cygwin32_conv_to_posix_path (tmp, homedir);
 450       }
 451     else
 452       homedir = NULL;
 453   }
 454 #else
 455   homedir = getenv ("HOME");
 456 #endif
 457   if (homedir)
 458     {
 459       homeinit = (char *) alloca (strlen (homedir) +
 460                                   strlen (gdbinit) + 10);
 461       strcpy (homeinit, homedir);
 462       strcat (homeinit, "/");
 463       strcat (homeinit, gdbinit);
 464
 465       if (!inhibit_gdbinit)
 466         {
 467           if (!SET_TOP_LEVEL ())
 468             source_command (homeinit, 0);
 469         }
 470       do_cleanups (ALL_CLEANUPS);
 471
 472       /* Do stats; no need to do them elsewhere since we'll only
 473          need them if homedir is set.  Make sure that they are
 474          zero in case one of them fails (this guarantees that they
 475          won't match if either exists).  */
 476
 477       memset (&homebuf, 0, sizeof (struct stat));
 478       memset (&cwdbuf, 0, sizeof (struct stat));
 479
 480       stat (homeinit, &homebuf);
 481       stat (gdbinit, &cwdbuf); /* We'll only need this if
 482                                        homedir was set.  */
 483     }
 484
 485   /* Now perform all the actions indicated by the arguments.  */
 486   if (cdarg != NULL)
 487     {
 488       if (!SET_TOP_LEVEL ())
 489         {
 490           cd_command (cdarg, 0);
 491         }
 492     }
 493   do_cleanups (ALL_CLEANUPS);
 494
 495   for (i = 0; i < ndir; i++)
 496     if (!SET_TOP_LEVEL ())
 497       directory_command (dirarg[i], 0);
 498   free ((PTR)dirarg);
 499   do_cleanups (ALL_CLEANUPS);
 500
 501   if (execarg != NULL
 502       && symarg != NULL
 503       && STREQ (execarg, symarg))
 504     {
 505       /* The exec file and the symbol-file are the same.  If we can't open
 506          it, better only print one error message.  */
 507       if (!SET_TOP_LEVEL ())
 508         {
 509           exec_file_command (execarg, !batch);
 510           symbol_file_command (symarg, 0);
 511         }
 512     }
 513   else
 514     {
 515       if (execarg != NULL)
 516         if (!SET_TOP_LEVEL ())
 517           exec_file_command (execarg, !batch);
 518       if (symarg != NULL)
 519         if (!SET_TOP_LEVEL ())
 520           symbol_file_command (symarg, 0);
 521     }
 522   do_cleanups (ALL_CLEANUPS);
 523
 524   /* After the symbol file has been read, print a newline to get us
 525      beyond the copyright line...  But errors should still set off
 526      the error message with a (single) blank line.  */
 527   if (!quiet)
 528     printf_filtered ("\n");
 529   error_pre_print = "\n";
 530   quit_pre_print = error_pre_print;
 531   warning_pre_print = "\nwarning: ";
 532
 533   if (corearg != NULL)
 534     {
 535       if (!SET_TOP_LEVEL ())
 536         core_file_command (corearg, !batch);
 537       else if (isdigit (corearg[0]) && !SET_TOP_LEVEL ())
 538         attach_command (corearg, !batch);
 539     }
 540   do_cleanups (ALL_CLEANUPS);
 541
 542   if (ttyarg != NULL)
 543     if (!SET_TOP_LEVEL ())
 544       tty_command (ttyarg, !batch);
 545   do_cleanups (ALL_CLEANUPS);
 546
 547 #ifdef ADDITIONAL_OPTION_HANDLER
 548   ADDITIONAL_OPTION_HANDLER;
 549 #endif
 550
 551   /* Error messages should no longer be distinguished with extra output. */
 552   error_pre_print = NULL;
 553   quit_pre_print = NULL;
 554   warning_pre_print = "warning: ";
 555
 556   /* Read the .gdbinit file in the current directory, *if* it isn't
 557      the same as the $HOME/.gdbinit file (it should exist, also).  */
 558
 559   if (!homedir
 560       || memcmp ((char *) &homebuf, (char *) &cwdbuf, sizeof (struct stat)))
 561     if (!inhibit_gdbinit)
 562       {
 563         if (!SET_TOP_LEVEL ())
 564           source_command (gdbinit, 0);
 565       }
 566   do_cleanups (ALL_CLEANUPS);
 567
 568   for (i = 0; i < ncmd; i++)
 569     {
 570       if (!SET_TOP_LEVEL ())
 571         {
 572           if (cmdarg[i][0] == '-' && cmdarg[i][1] == '\0')
 573             read_command_file (stdin);
 574           else
 575             source_command (cmdarg[i], !batch);
 576           do_cleanups (ALL_CLEANUPS);
 577         }
 578     }
 579   free ((PTR)cmdarg);
 580
 581   /* Read in the old history after all the command files have been read. */
 582   init_history();
 583
 584   if (batch)
 585     {
 586       /* We have hit the end of the batch file.  */
 587       exit (0);
 588     }
 589
 590   /* Do any host- or target-specific hacks.  This is used for i960 targets
 591      to force the user to set a nindy target and spec its parameters.  */
 592
 593 #ifdef BEFORE_MAIN_LOOP_HOOK
 594   BEFORE_MAIN_LOOP_HOOK;
 595 #endif
 596
 597   END_PROGRESS (argv[0]);
 598
 599   /* Show time and/or space usage.  */
 600
 601   if (display_time)
 602     {
 603       long init_time = get_run_time () - time_at_startup;
 604
 605       printf_unfiltered ("Startup time: %ld.%06ld\n",
 606                          init_time / 1000000, init_time % 1000000);
 607     }
 608
 609   if (display_space)
 610     {
 611 #ifdef HAVE_SBRK
 612       extern char **environ;
 613       char *lim = (char *) sbrk (0);
 614
 615       printf_unfiltered ("Startup size: data size %ld\n",
 616                          (long) (lim - (char *) &environ));
 617 #endif
 618     }
 619
 620   /* The default command loop.
 621      The WIN32 Gui calls this main to set up gdb's state, and
 622      has its own command loop. */
 623 #if !defined _WIN32 || defined __GNUC__
 624   while (1)
 625     {
 626       if (!SET_TOP_LEVEL ())
 627         {
 628           do_cleanups (ALL_CLEANUPS);           /* Do complete cleanup */
 629           /* GUIs generally have their own command loop, mainloop, or whatever.
 630              This is a good place to gain control because many error
 631              conditions will end up here via longjmp(). */
 632           if (command_loop_hook)
 633             command_loop_hook ();
 634           else
 635             command_loop ();
 636           quit_command ((char *)0, instream == stdin);
 637         }
 638     }
 639
 640   /* No exit -- exit is through quit_command.  */
 641 #endif
 642
 643 }
 644
 645 /* Don't use *_filtered for printing help.  We don't want to prompt
 646    for continue no matter how small the screen or how much we're going
 647    to print.  */
 648
 649 static void
 650 print_gdb_help (stream)
 651   GDB_FILE *stream;
 652 {
 653       fputs_unfiltered ("\
 654 This is the GNU debugger.  Usage:\n\n\
 655     gdb [options] [executable-file [core-file or process-id]]\n\n\
 656 Options:\n\n\
 657 ", stream);
 658       fputs_unfiltered ("\
 659   -b BAUDRATE        Set serial port baud rate used for remote debugging.\n\
 660   --batch            Exit after processing options.\n\
 661   --cd=DIR           Change current directory to DIR.\n\
 662   --command=FILE     Execute GDB commands from FILE.\n\
 663   --core=COREFILE    Analyze the core dump COREFILE.\n\
 664 ", stream);
 665       fputs_unfiltered ("\
 666   --dbx              DBX compatibility mode.\n\
 667   --directory=DIR    Search for source files in DIR.\n\
 668   --epoch            Output information used by epoch emacs-GDB interface.\n\
 669   --exec=EXECFILE    Use EXECFILE as the executable.\n\
 670   --fullname         Output information used by emacs-GDB interface.\n\
 671   --help             Print this message.\n\
 672 ", stream);
 673       fputs_unfiltered ("\
 674   --mapped           Use mapped symbol files if supported on this system.\n\
 675   --nw               Do not use a window interface.\n\
 676   --nx               Do not read .gdbinit file.\n\
 677   --quiet            Do not print version number on startup.\n\
 678   --readnow          Fully read symbol files on first access.\n\
 679 ", stream);
 680       fputs_unfiltered ("\
 681   --se=FILE          Use FILE as symbol file and executable file.\n\
 682   --symbols=SYMFILE  Read symbols from SYMFILE.\n\
 683   --tty=TTY          Use TTY for input/output by the program being debugged.\n\
 684 ", stream);
 685 #if defined(TUI)
 686       fputs_unfiltered ("\
 687   --tui              Use a terminal user interface.\n\
 688 ", stream);
 689 #endif
 690       fputs_unfiltered ("\
 691   --version          Print version information and then exit.\n\
 692   -w                 Use a window interface.\n\
 693   --write            Set writing into executable and core files.\n\
 694   --xdb              XDB compatibility mode.\n\
 695 ", stream);
 696 #ifdef ADDITIONAL_OPTION_HELP
 697       fputs_unfiltered (ADDITIONAL_OPTION_HELP, stream);
 698 #endif
 699       fputs_unfiltered ("\n\
 700 For more information, type \"help\" from within GDB, or consult the\n\
 701 GDB manual (available as on-line info or a printed manual).\n\
 702 Report bugs to \"bug-gdb@prep.ai.mit.edu\".\
 703 ", stream);
 704 }
 705
 706 \f
 707 void
 708 init_proc ()
 709 {
 710 }
 711
 712 void
 713 proc_remove_foreign (pid)
 714      int pid;
 715 {
 716 }
 717
 718 /* All I/O sent to the *_filtered and *_unfiltered functions eventually ends up
 719    here.  The fputs_unfiltered_hook is primarily used by GUIs to collect all
 720    output and send it to the GUI, instead of the controlling terminal.  Only
 721    output to gdb_stdout and gdb_stderr are sent to the hook.  Everything else
 722    is sent on to fputs to allow file I/O to be handled appropriately.  */
 723
 724 void
 725 fputs_unfiltered (linebuffer, stream)
 726      const char *linebuffer;
 727      GDB_FILE *stream;
 728 {
 729 #if defined(TUI)
 730   extern int tui_owns_terminal;
 731 #endif
 732   /* If anything (GUI, TUI) wants to capture GDB output, this is
 733    * the place... the way to do it is to set up
 734    * fputs_unfiltered_hook.
 735    * Our TUI ("gdb -tui") used to hook output, but in the
 736    * new (XDB style) scheme, we do not do that anymore... - RT
 737    */
 738   if (fputs_unfiltered_hook
 739       && (stream == gdb_stdout
 740           || stream == gdb_stderr))
 741     fputs_unfiltered_hook (linebuffer, stream);
 742   else
 743     {
 744 #if defined(TUI)
 745       if (tui_version && tui_owns_terminal) {
 746         /* If we get here somehow while updating the TUI (from
 747          * within a tuiDo(), then we need to temporarily
 748          * set up the terminal for GDB output. This probably just
 749          * happens on error output.
 750          */
 751
 752         if (stream->ts_streamtype == astring) {
 753            gdb_file_adjust_strbuf(strlen(linebuffer), stream);
 754            strcat(stream->ts_strbuf, linebuffer);
 755         } else {
 756            tuiTermUnsetup(0, (tui_version) ? cmdWin->detail.commandInfo.curch : 0);
 757            fputs (linebuffer, stream->ts_filestream);
 758            tuiTermSetup(0);
 759            if (linebuffer[strlen(linebuffer) - 1] == '\n')
 760               tuiClearCommandCharCount();
 761            else
 762               tuiIncrCommandCharCountBy(strlen(linebuffer));
 763         }
 764       } else {
 765         /* The normal case - just do a fputs() */
 766         if (stream->ts_streamtype == astring) {
 767            gdb_file_adjust_strbuf(strlen(linebuffer), stream);
 768            strcat(stream->ts_strbuf, linebuffer);
 769         } else fputs (linebuffer, stream->ts_filestream);
 770       }
 771
 772
 773 #else
 774       if (stream->ts_streamtype == astring) {
 775            gdb_file_adjust_strbuf(strlen(linebuffer), stream);
 776            strcat(stream->ts_strbuf, linebuffer);
 777         } else fputs (linebuffer, stream->ts_filestream);
 778 #endif
 779     }
 780 }