X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fmain.c;h=9f845a89c5ea02d53af4993e96d0ce1edf1ea749;hb=4b14d3e4e0d9ba2ff2f9397312f884f8fc9a1135;hp=9d85aaba9a03eef4778e70485b31ba6aca860da2;hpb=392a587b0562bfd8561bc15ad2625a4f49f461f0;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/main.c b/gdb/main.c index 9d85aaba9a..9f845a89c5 100644 --- a/gdb/main.c +++ b/gdb/main.c @@ -1,32 +1,28 @@ /* Top level stuff for GDB, the GNU debugger. - Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995 - Free Software Foundation, Inc. + Copyright 1986-1995, 1999-2000 Free Software Foundation, Inc. -This file is part of GDB. + This file is part of GDB. -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ #include "defs.h" #include "top.h" -#include "event-loop.h" #include "target.h" #include "inferior.h" #include "call-cmds.h" -#ifdef HAVE_UNISTD_H -#include -#endif #include "getopt.h" @@ -35,6 +31,13 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include #include "gdb_string.h" +#include "event-loop.h" +#include "ui-out.h" +#if defined (TUI) || defined (GDBTK) +/* FIXME: cagney/2000-01-31: This #include is to allow older code such + as that found in the TUI to continue to build. */ +#include "tui/tui-file.h" +#endif /* If nonzero, display time usage both at startup and for each command. */ @@ -45,10 +48,15 @@ int display_time; int display_space; /* Whether this is the async version or not. The async version is -invoked on the command line with the -nw --async options. In this -version, the usual command_loop is substituted by and event loop which -processes UI events asynchronously. */ -int async = 0; + invoked on the command line with the -nw --async options. In this + version, the usual command_loop is substituted by and event loop which + processes UI events asynchronously. */ +int event_loop_p = 1; + +#ifdef UI_OUT +/* Has an interpreter been specified and if so, which. */ +char *interpreter_p; +#endif /* Whether this is the command line version or not */ int tui_version = 0; @@ -59,30 +67,69 @@ int xdb_commands = 0; /* Whether dbx commands will be handled */ int dbx_commands = 0; -GDB_FILE *gdb_stdout; -GDB_FILE *gdb_stderr; +struct ui_file *gdb_stdout; +struct ui_file *gdb_stderr; +struct ui_file *gdb_stdlog; +struct ui_file *gdb_stdtarg; + +/* Used to initialize error() - defined in utils.c */ + +extern void error_init (void); /* Whether to enable writing into executable and core files */ extern int write_files; -static void print_gdb_help PARAMS ((GDB_FILE *)); +static void print_gdb_help (struct ui_file *); /* These two are used to set the external editor commands when gdb is farming out files to be edited by another program. */ extern int enable_external_editor; -extern char * external_editor_command; +extern char *external_editor_command; #ifdef __CYGWIN__ -#include /* for MAX_PATH */ -#include /* for cygwin32_conv_to_posix_path */ +#include /* for MAX_PATH */ +#include /* for cygwin32_conv_to_posix_path */ #endif -int -main (argc, argv) - int argc; - char **argv; +/* Call command_loop. If it happens to return, pass that through as a + non-zero return status. */ + +static int +captured_command_loop (void *data) +{ + if (command_loop_hook == NULL) + command_loop (); + else + command_loop_hook (); + /* FIXME: cagney/1999-11-05: A correct command_loop() implementaton + would clean things up (restoring the cleanup chain) to the state + they were just prior to the call. Technically, this means that + the do_cleanups() below is redundant. Unfortunatly, many FUNC's + are not that well behaved. do_cleanups should either be replaced + with a do_cleanups call (to cover the problem) or an assertion + check to detect bad FUNCs code. */ + do_cleanups (ALL_CLEANUPS); + /* If the command_loop returned, normally (rather than threw an + error) we try to quit. If the quit is aborted, catch_errors() + which called this catch the signal and restart the command + loop. */ + quit_command (NULL, instream == stdin); + return 1; +} + +struct captured_main_args + { + int argc; + char **argv; + }; + +static int +captured_main (void *data) { + struct captured_main_args *context = data; + int argc = context->argc; + char **argv = context->argv; int count; static int quiet = 0; static int batch = 0; @@ -111,7 +158,7 @@ main (argc, argv) int dirsize; /* Number of elements used. */ int ndir; - + struct stat homebuf, cwdbuf; char *homedir, *homeinit; @@ -119,8 +166,6 @@ main (argc, argv) long time_at_startup = get_run_time (); - int gdb_file_size; - START_PROGRESS (argv[0], 0); #ifdef MPW @@ -137,11 +182,6 @@ main (argc, argv) alloca (4 - i); #endif - /* If error() is called from initialization code, just exit */ - if (SET_TOP_LEVEL ()) { - exit(1); - } - cmdsize = 1; cmdarg = (char **) xmalloc (cmdsize * sizeof (*cmdarg)); ncmd = 0; @@ -157,19 +197,23 @@ main (argc, argv) getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); current_directory = gdb_dirbuf; - gdb_file_size = sizeof(GDB_FILE); - - gdb_stdout = (GDB_FILE *)xmalloc (gdb_file_size); - gdb_stdout->ts_streamtype = afile; - gdb_stdout->ts_filestream = stdout; - gdb_stdout->ts_strbuf = NULL; - gdb_stdout->ts_buflen = 0; +#if defined (TUI) || defined (GDBTK) + /* Older code uses the tui_file and fputs_unfiltered_hook(). It + should be using a customized UI_FILE object and re-initializing + within its own _initialize function. */ + gdb_stdout = tui_fileopen (stdout); + gdb_stderr = tui_fileopen (stderr); + gdb_stdlog = gdb_stdout; /* for moment */ + gdb_stdtarg = gdb_stderr; /* for moment */ +#else + gdb_stdout = stdio_fileopen (stdout); + gdb_stderr = stdio_fileopen (stderr); + gdb_stdlog = gdb_stderr; /* for moment */ + gdb_stdtarg = gdb_stderr; /* for moment */ +#endif - gdb_stderr = (GDB_FILE *)xmalloc (gdb_file_size); - gdb_stderr->ts_streamtype = afile; - gdb_stderr->ts_filestream = stderr; - gdb_stderr->ts_strbuf = NULL; - gdb_stderr->ts_buflen = 0; + /* initialize error() */ + error_init (); /* Parse arguments and options. */ { @@ -178,60 +222,72 @@ main (argc, argv) short option (or arbitrary numbers starting at 10 for those with no equivalent). */ static struct option long_options[] = - { - {"async", no_argument, &async, 1}, + { + {"async", no_argument, &event_loop_p, 1}, + {"noasync", no_argument, &event_loop_p, 0}, #if defined(TUI) - {"tui", no_argument, &tui_version, 1}, + {"tui", no_argument, &tui_version, 1}, +#endif + {"xdb", no_argument, &xdb_commands, 1}, + {"dbx", no_argument, &dbx_commands, 1}, + {"readnow", no_argument, &readnow_symbol_files, 1}, + {"r", no_argument, &readnow_symbol_files, 1}, + {"mapped", no_argument, &mapped_symbol_files, 1}, + {"m", no_argument, &mapped_symbol_files, 1}, + {"quiet", no_argument, &quiet, 1}, + {"q", no_argument, &quiet, 1}, + {"silent", no_argument, &quiet, 1}, + {"nx", no_argument, &inhibit_gdbinit, 1}, + {"n", no_argument, &inhibit_gdbinit, 1}, + {"batch", no_argument, &batch, 1}, + {"epoch", no_argument, &epoch_interface, 1}, + + /* This is a synonym for "--annotate=1". --annotate is now preferred, + but keep this here for a long time because people will be running + emacses which use --fullname. */ + {"fullname", no_argument, 0, 'f'}, + {"f", no_argument, 0, 'f'}, + + {"annotate", required_argument, 0, 12}, + {"help", no_argument, &print_help, 1}, + {"se", required_argument, 0, 10}, + {"symbols", required_argument, 0, 's'}, + {"s", required_argument, 0, 's'}, + {"exec", required_argument, 0, 'e'}, + {"e", required_argument, 0, 'e'}, + {"core", required_argument, 0, 'c'}, + {"c", required_argument, 0, 'c'}, + {"command", required_argument, 0, 'x'}, + {"version", no_argument, &print_version, 1}, + {"x", required_argument, 0, 'x'}, +#ifdef GDBTK + {"tclcommand", required_argument, 0, 'z'}, + {"enable-external-editor", no_argument, 0, 'y'}, + {"editor-command", required_argument, 0, 'w'}, #endif - {"xdb", no_argument, &xdb_commands, 1}, - {"dbx", no_argument, &dbx_commands, 1}, - {"readnow", no_argument, &readnow_symbol_files, 1}, - {"r", no_argument, &readnow_symbol_files, 1}, - {"mapped", no_argument, &mapped_symbol_files, 1}, - {"m", no_argument, &mapped_symbol_files, 1}, - {"quiet", no_argument, &quiet, 1}, - {"q", no_argument, &quiet, 1}, - {"silent", no_argument, &quiet, 1}, - {"nx", no_argument, &inhibit_gdbinit, 1}, - {"n", no_argument, &inhibit_gdbinit, 1}, - {"batch", no_argument, &batch, 1}, - {"epoch", no_argument, &epoch_interface, 1}, - - /* This is a synonym for "--annotate=1". --annotate is now preferred, - but keep this here for a long time because people will be running - emacses which use --fullname. */ - {"fullname", no_argument, 0, 'f'}, - {"f", no_argument, 0, 'f'}, - - {"annotate", required_argument, 0, 12}, - {"help", no_argument, &print_help, 1}, - {"se", required_argument, 0, 10}, - {"symbols", required_argument, 0, 's'}, - {"s", required_argument, 0, 's'}, - {"exec", required_argument, 0, 'e'}, - {"e", required_argument, 0, 'e'}, - {"core", required_argument, 0, 'c'}, - {"c", required_argument, 0, 'c'}, - {"command", required_argument, 0, 'x'}, - {"version", no_argument, &print_version, 1}, - {"x", required_argument, 0, 'x'}, - {"directory", required_argument, 0, 'd'}, - {"cd", required_argument, 0, 11}, - {"tty", required_argument, 0, 't'}, - {"baud", required_argument, 0, 'b'}, - {"b", required_argument, 0, 'b'}, - {"nw", no_argument, &use_windows, 0}, - {"nowindows", no_argument, &use_windows, 0}, - {"w", no_argument, &use_windows, 1}, - {"windows", no_argument, &use_windows, 1}, - {"statistics", no_argument, 0, 13}, - {"write", no_argument, &write_files, 1}, +#ifdef UI_OUT + {"ui", required_argument, 0, 'i'}, + {"interpreter", required_argument, 0, 'i'}, + {"i", required_argument, 0, 'i'}, +#endif + {"directory", required_argument, 0, 'd'}, + {"d", required_argument, 0, 'd'}, + {"cd", required_argument, 0, 11}, + {"tty", required_argument, 0, 't'}, + {"baud", required_argument, 0, 'b'}, + {"b", required_argument, 0, 'b'}, + {"nw", no_argument, &use_windows, 0}, + {"nowindows", no_argument, &use_windows, 0}, + {"w", no_argument, &use_windows, 1}, + {"windows", no_argument, &use_windows, 1}, + {"statistics", no_argument, 0, 13}, + {"write", no_argument, &write_files, 1}, /* Allow machine descriptions to add more options... */ #ifdef ADDITIONAL_OPTIONS - ADDITIONAL_OPTIONS + ADDITIONAL_OPTIONS #endif - {0, no_argument, 0, 0} - }; + {0, no_argument, 0, 0} + }; while (1) { @@ -286,16 +342,55 @@ main (argc, argv) if (ncmd >= cmdsize) { cmdsize *= 2; - cmdarg = (char **) xrealloc ((char *)cmdarg, + cmdarg = (char **) xrealloc ((char *) cmdarg, cmdsize * sizeof (*cmdarg)); } break; +#ifdef GDBTK + case 'z': + { + extern int gdbtk_test PARAMS ((char *)); + if (!gdbtk_test (optarg)) + { + fprintf_unfiltered (gdb_stderr, "%s: unable to load tclcommand file \"%s\"", + argv[0], optarg); + exit (1); + } + break; + } + case 'y': + { + /* + * This enables the edit/button in the main window, even + * when IDE_ENABLED is set to false. In this case you must + * use --tclcommand to specify a tcl/script to be called, + * Tcl/Variable to store the edit/command is: + * external_editor + */ + enable_external_editor = 1; + break; + } + case 'w': + { + /* + * if editor command is enabled, both flags are set + */ + enable_external_editor = 1; + external_editor_command = xstrdup (optarg); + break; + } +#endif /* GDBTK */ +#ifdef UI_OUT + case 'i': + interpreter_p = optarg; + break; +#endif case 'd': dirarg[ndir++] = optarg; if (ndir >= dirsize) { dirsize *= 2; - dirarg = (char **) xrealloc ((char *)dirarg, + dirarg = (char **) xrealloc ((char *) dirarg, dirsize * sizeof (*dirarg)); } break; @@ -314,7 +409,7 @@ main (argc, argv) if (i == 0 && p == optarg) /* Don't use *_filtered or warning() (which relies on - current_target) until after initialize_all_files(). */ + current_target) until after initialize_all_files(). */ fprintf_unfiltered (gdb_stderr, @@ -331,23 +426,23 @@ main (argc, argv) if (i == 0 && p == optarg) /* Don't use *_filtered or warning() (which relies on - current_target) until after initialize_all_files(). */ + current_target) until after initialize_all_files(). */ fprintf_unfiltered (gdb_stderr, - "warning: could not set timeout limit to `%s'.\n", optarg); + "warning: could not set timeout limit to `%s'.\n", optarg); else remote_timeout = i; } break; #ifdef ADDITIONAL_OPTION_CASES - ADDITIONAL_OPTION_CASES + ADDITIONAL_OPTION_CASES #endif case '?': fprintf_unfiltered (gdb_stderr, - "Use `%s --help' for a complete list of options.\n", - argv[0]); + "Use `%s --help' for a complete list of options.\n", + argv[0]); exit (1); } } @@ -367,7 +462,7 @@ main (argc, argv) window system. */ if (tui_version) use_windows = 0; -#endif +#endif /* OK, that's all the options. The other arguments are filenames. */ count = 0; @@ -383,22 +478,22 @@ main (argc, argv) break; case 3: fprintf_unfiltered (gdb_stderr, - "Excess command line arguments ignored. (%s%s)\n", - argv[optind], (optind == argc - 1) ? "" : " ..."); + "Excess command line arguments ignored. (%s%s)\n", + argv[optind], (optind == argc - 1) ? "" : " ..."); break; } if (batch) quiet = 1; } - /* Get ready to invoke the event loop instead of the - command_loop. See event-loop.h for more details.*/ - if (async) - async_hook = setup_event_loop; #if defined(TUI) + /* Should this be moved to tui-top.c:_initialize_tui()? */ if (tui_version) init_ui_hook = tuiInit; #endif + + /* Initialize all files. Give the interpreter a chance to take + control of the console via the init_ui_hook()) */ gdb_init (argv[0]); /* Do these (and anything which might call wrap_here or *_filtered) @@ -421,12 +516,12 @@ main (argc, argv) if (!quiet) { /* Print all the junk at the top, with trailing "..." if we are about - to read a symbol file (possibly slowly). */ + to read a symbol file (possibly slowly). */ print_gdb_version (gdb_stdout); if (symarg) printf_filtered (".."); - wrap_here(""); - gdb_flush (gdb_stdout); /* Force to screen during slow operations */ + wrap_here (""); + gdb_flush (gdb_stdout); /* Force to screen during slow operations */ } error_pre_print = "\n\n"; @@ -441,18 +536,18 @@ main (argc, argv) debugging or what directory you are in. */ #ifdef __CYGWIN32__ { - char * tmp = getenv ("HOME"); - + char *tmp = getenv ("HOME"); + if (tmp != NULL) { - homedir = (char *) alloca (MAX_PATH+1); - cygwin32_conv_to_posix_path (tmp, homedir); + homedir = (char *) alloca (MAX_PATH + 1); + cygwin32_conv_to_posix_path (tmp, homedir); } else homedir = NULL; } #else - homedir = getenv ("HOME"); + homedir = getenv ("HOME"); #endif if (homedir) { @@ -464,62 +559,49 @@ main (argc, argv) if (!inhibit_gdbinit) { - if (!SET_TOP_LEVEL ()) - source_command (homeinit, 0); + catch_command_errors (source_command, homeinit, 0, RETURN_MASK_ALL); } - do_cleanups (ALL_CLEANUPS); /* Do stats; no need to do them elsewhere since we'll only - need them if homedir is set. Make sure that they are - zero in case one of them fails (this guarantees that they - won't match if either exists). */ - + need them if homedir is set. Make sure that they are + zero in case one of them fails (this guarantees that they + won't match if either exists). */ + memset (&homebuf, 0, sizeof (struct stat)); memset (&cwdbuf, 0, sizeof (struct stat)); - + stat (homeinit, &homebuf); - stat (gdbinit, &cwdbuf); /* We'll only need this if - homedir was set. */ + stat (gdbinit, &cwdbuf); /* We'll only need this if + homedir was set. */ } /* Now perform all the actions indicated by the arguments. */ if (cdarg != NULL) { - if (!SET_TOP_LEVEL ()) - { - cd_command (cdarg, 0); - } + catch_command_errors (cd_command, cdarg, 0, RETURN_MASK_ALL); } - do_cleanups (ALL_CLEANUPS); for (i = 0; i < ndir; i++) - if (!SET_TOP_LEVEL ()) - directory_command (dirarg[i], 0); - free ((PTR)dirarg); - do_cleanups (ALL_CLEANUPS); + catch_command_errors (directory_command, dirarg[i], 0, RETURN_MASK_ALL); + free ((PTR) dirarg); if (execarg != NULL && symarg != NULL && STREQ (execarg, symarg)) { - /* The exec file and the symbol-file are the same. If we can't open - it, better only print one error message. */ - if (!SET_TOP_LEVEL ()) - { - exec_file_command (execarg, !batch); - symbol_file_command (symarg, 0); - } + /* The exec file and the symbol-file are the same. If we can't + open it, better only print one error message. + catch_command_errors returns non-zero on success! */ + if (catch_command_errors (exec_file_command, execarg, !batch, RETURN_MASK_ALL)) + catch_command_errors (symbol_file_command, symarg, 0, RETURN_MASK_ALL); } else { if (execarg != NULL) - if (!SET_TOP_LEVEL ()) - exec_file_command (execarg, !batch); + catch_command_errors (exec_file_command, execarg, !batch, RETURN_MASK_ALL); if (symarg != NULL) - if (!SET_TOP_LEVEL ()) - symbol_file_command (symarg, 0); + catch_command_errors (symbol_file_command, symarg, 0, RETURN_MASK_ALL); } - do_cleanups (ALL_CLEANUPS); /* After the symbol file has been read, print a newline to get us beyond the copyright line... But errors should still set off @@ -532,17 +614,16 @@ main (argc, argv) if (corearg != NULL) { - if (!SET_TOP_LEVEL ()) - core_file_command (corearg, !batch); - else if (isdigit (corearg[0]) && !SET_TOP_LEVEL ()) - attach_command (corearg, !batch); + if (catch_command_errors (core_file_command, corearg, !batch, RETURN_MASK_ALL) == 0) + { + /* See if the core file is really a PID. */ + if (isdigit (corearg[0])) + catch_command_errors (attach_command, corearg, !batch, RETURN_MASK_ALL); + } } - do_cleanups (ALL_CLEANUPS); if (ttyarg != NULL) - if (!SET_TOP_LEVEL ()) - tty_command (ttyarg, !batch); - do_cleanups (ALL_CLEANUPS); + catch_command_errors (tty_command, ttyarg, !batch, RETURN_MASK_ALL); #ifdef ADDITIONAL_OPTION_HANDLER ADDITIONAL_OPTION_HANDLER; @@ -555,23 +636,24 @@ main (argc, argv) /* Read the .gdbinit file in the current directory, *if* it isn't the same as the $HOME/.gdbinit file (it should exist, also). */ - + if (!homedir || memcmp ((char *) &homebuf, (char *) &cwdbuf, sizeof (struct stat))) if (!inhibit_gdbinit) { - if (!SET_TOP_LEVEL ()) - source_command (gdbinit, 0); + catch_command_errors (source_command, gdbinit, 0, RETURN_MASK_ALL); } - do_cleanups (ALL_CLEANUPS); for (i = 0; i < ncmd; i++) { - if (!SET_TOP_LEVEL ()) +#if 0 + /* NOTE: cagney/1999-11-03: SET_TOP_LEVEL() was a macro that + expanded into a call to setjmp(). */ + if (!SET_TOP_LEVEL ()) /* NB: This is #if 0'd out */ { /* NOTE: I am commenting this out, because it is not clear where this feature is used. It is very old and - undocumented. ezannoni: 1999-05-04*/ + undocumented. ezannoni: 1999-05-04 */ #if 0 if (cmdarg[i][0] == '-' && cmdarg[i][1] == '\0') read_command_file (stdin); @@ -580,11 +662,13 @@ main (argc, argv) source_command (cmdarg[i], !batch); do_cleanups (ALL_CLEANUPS); } +#endif + catch_command_errors (source_command, cmdarg[i], !batch, RETURN_MASK_ALL); } - free ((PTR)cmdarg); + free ((PTR) cmdarg); /* Read in the old history after all the command files have been read. */ - init_history(); + init_history (); if (batch) { @@ -622,21 +706,20 @@ main (argc, argv) #endif } - /* Call the event loop, if gdb was invoked with the --async - option. Control will never get back to this file, if the event - loop is invoked. See the files event-*.[ch] for details. */ - if (async_hook) - async_hook(); - /* The default command loop. The WIN32 Gui calls this main to set up gdb's state, and has its own command loop. */ #if !defined _WIN32 || defined __GNUC__ + /* GUIs generally have their own command loop, mainloop, or + whatever. This is a good place to gain control because many + error conditions will end up here via longjmp(). */ +#if 0 + /* FIXME: cagney/1999-11-06: The original main loop was like: */ while (1) { if (!SET_TOP_LEVEL ()) { - do_cleanups (ALL_CLEANUPS); /* Do complete cleanup */ + do_cleanups (ALL_CLEANUPS); /* Do complete cleanup */ /* GUIs generally have their own command loop, mainloop, or whatever. This is a good place to gain control because many error conditions will end up here via longjmp(). */ @@ -644,36 +727,65 @@ main (argc, argv) command_loop_hook (); else command_loop (); - quit_command ((char *)0, instream == stdin); + quit_command ((char *) 0, instream == stdin); } } - - /* No exit -- exit is through quit_command. */ + /* NOTE: If the command_loop() returned normally, the loop would + attempt to exit by calling the function quit_command(). That + function would either call exit() or throw an error returning + control to SET_TOP_LEVEL. */ + /* NOTE: The function do_cleanups() was called once each time round + the loop. The usefulness of the call isn't clear. If an error + was thrown, everything would have already been cleaned up. If + command_loop() returned normally and quit_command() was called, + either exit() or error() (again cleaning up) would be called. */ #endif + /* NOTE: cagney/1999-11-07: There is probably no reason for not + moving this loop and the code found in captured_command_loop() + into the command_loop() proper. The main thing holding back that + change - SET_TOP_LEVEL() - has been eliminated. */ + while (1) + { + catch_errors (captured_command_loop, 0, "", RETURN_MASK_ALL); + } +#endif + /* No exit -- exit is through quit_command. */ +} +int +main (int argc, char **argv) +{ + struct captured_main_args args; + args.argc = argc; + args.argv = argv; + catch_errors (captured_main, &args, "", RETURN_MASK_ALL); + return 0; } + /* Don't use *_filtered for printing help. We don't want to prompt for continue no matter how small the screen or how much we're going to print. */ static void -print_gdb_help (stream) - GDB_FILE *stream; +print_gdb_help (struct ui_file *stream) { - fputs_unfiltered ("\ + fputs_unfiltered ("\ This is the GNU debugger. Usage:\n\n\ gdb [options] [executable-file [core-file or process-id]]\n\n\ Options:\n\n\ ", stream); - fputs_unfiltered ("\ + fputs_unfiltered ("\ + --[no]async Enable (disable) asynchronous version of CLI\n\ +", stream); + fputs_unfiltered ("\ -b BAUDRATE Set serial port baud rate used for remote debugging.\n\ --batch Exit after processing options.\n\ --cd=DIR Change current directory to DIR.\n\ --command=FILE Execute GDB commands from FILE.\n\ --core=COREFILE Analyze the core dump COREFILE.\n\ ", stream); - fputs_unfiltered ("\ + fputs_unfiltered ("\ --dbx DBX compatibility mode.\n\ --directory=DIR Search for source files in DIR.\n\ --epoch Output information used by epoch emacs-GDB interface.\n\ @@ -681,100 +793,41 @@ Options:\n\n\ --fullname Output information used by emacs-GDB interface.\n\ --help Print this message.\n\ ", stream); - fputs_unfiltered ("\ + fputs_unfiltered ("\ + --interpreter=INTERP\n\ + Select a specific interpreter / user interface\n\ +", stream); + fputs_unfiltered ("\ --mapped Use mapped symbol files if supported on this system.\n\ --nw Do not use a window interface.\n\ - --nx Do not read .gdbinit file.\n\ + --nx Do not read ", stream); + fputs_unfiltered (gdbinit, stream); + fputs_unfiltered (" file.\n\ --quiet Do not print version number on startup.\n\ --readnow Fully read symbol files on first access.\n\ ", stream); - fputs_unfiltered ("\ + fputs_unfiltered ("\ --se=FILE Use FILE as symbol file and executable file.\n\ --symbols=SYMFILE Read symbols from SYMFILE.\n\ --tty=TTY Use TTY for input/output by the program being debugged.\n\ ", stream); #if defined(TUI) - fputs_unfiltered ("\ + fputs_unfiltered ("\ --tui Use a terminal user interface.\n\ ", stream); #endif - fputs_unfiltered ("\ + fputs_unfiltered ("\ --version Print version information and then exit.\n\ -w Use a window interface.\n\ --write Set writing into executable and core files.\n\ --xdb XDB compatibility mode.\n\ ", stream); #ifdef ADDITIONAL_OPTION_HELP - fputs_unfiltered (ADDITIONAL_OPTION_HELP, stream); + fputs_unfiltered (ADDITIONAL_OPTION_HELP, stream); #endif - fputs_unfiltered ("\n\ + fputs_unfiltered ("\n\ For more information, type \"help\" from within GDB, or consult the\n\ GDB manual (available as on-line info or a printed manual).\n\ -Report bugs to \"bug-gdb@prep.ai.mit.edu\".\ +Report bugs to \"bug-gdb@gnu.org\".\ ", stream); } - - -/* All I/O sent to the *_filtered and *_unfiltered functions eventually ends up - here. The fputs_unfiltered_hook is primarily used by GUIs to collect all - output and send it to the GUI, instead of the controlling terminal. Only - output to gdb_stdout and gdb_stderr are sent to the hook. Everything else - is sent on to fputs to allow file I/O to be handled appropriately. */ - -void -fputs_unfiltered (linebuffer, stream) - const char *linebuffer; - GDB_FILE *stream; -{ -#if defined(TUI) - extern int tui_owns_terminal; -#endif - /* If anything (GUI, TUI) wants to capture GDB output, this is - * the place... the way to do it is to set up - * fputs_unfiltered_hook. - * Our TUI ("gdb -tui") used to hook output, but in the - * new (XDB style) scheme, we do not do that anymore... - RT - */ - if (fputs_unfiltered_hook - && (stream == gdb_stdout - || stream == gdb_stderr)) - fputs_unfiltered_hook (linebuffer, stream); - else - { -#if defined(TUI) - if (tui_version && tui_owns_terminal) { - /* If we get here somehow while updating the TUI (from - * within a tuiDo(), then we need to temporarily - * set up the terminal for GDB output. This probably just - * happens on error output. - */ - - if (stream->ts_streamtype == astring) { - gdb_file_adjust_strbuf(strlen(linebuffer), stream); - strcat(stream->ts_strbuf, linebuffer); - } else { - tuiTermUnsetup(0, (tui_version) ? cmdWin->detail.commandInfo.curch : 0); - fputs (linebuffer, stream->ts_filestream); - tuiTermSetup(0); - if (linebuffer[strlen(linebuffer) - 1] == '\n') - tuiClearCommandCharCount(); - else - tuiIncrCommandCharCountBy(strlen(linebuffer)); - } - } else { - /* The normal case - just do a fputs() */ - if (stream->ts_streamtype == astring) { - gdb_file_adjust_strbuf(strlen(linebuffer), stream); - strcat(stream->ts_strbuf, linebuffer); - } else fputs (linebuffer, stream->ts_filestream); - } - - -#else - if (stream->ts_streamtype == astring) { - gdb_file_adjust_strbuf(strlen(linebuffer), stream); - strcat(stream->ts_strbuf, linebuffer); - } else fputs (linebuffer, stream->ts_filestream); -#endif - } -}