X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fmain.c;h=3c9c26894c0e5e1eeeca48f17de8eda0a7841008;hb=8a5a3c829873c2ec9f0504afbb0b2704da39498a;hp=b8b0837b2af901df0ea82e09e48da27d31d94a59;hpb=d836385e11733f46b1a0b6e7c142e7317488ff36;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/main.c b/gdb/main.c index b8b0837b2a..3c9c26894c 100644 --- a/gdb/main.c +++ b/gdb/main.c @@ -1,30 +1,34 @@ /* Top level stuff for GDB, the GNU debugger. - Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995 + + Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, + 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 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 #include "top.h" #include "target.h" #include "inferior.h" -#include "call-cmds.h" +#include "symfile.h" +#include "gdbcore.h" +#include "exceptions.h" #include "getopt.h" #include @@ -32,19 +36,11 @@ 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" -/* Temporary variable for SET_TOP_LEVEL. */ - -static int top_level_val; - -/* Do a setjmp on error_return and quit_return. catch_errors is - generally a cleaner way to do this, but main() would look pretty - ugly if it had to use catch_errors each time. */ - -#define SET_TOP_LEVEL() \ - (((top_level_val = SIGSETJMP (error_return)) \ - ? (PTR) 0 : (PTR) memcpy (quit_return, error_return, sizeof (SIGJMP_BUF))) \ - , top_level_val) +#include "interps.h" +#include "main.h" /* If nonzero, display time usage both at startup and for each command. */ @@ -54,21 +50,81 @@ int display_time; int display_space; -static void print_gdb_help PARAMS ((GDB_FILE *)); -extern void gdb_init PARAMS ((char *)); -#ifdef __CYGWIN__ -#include /* for MAX_PATH */ -#include /* for cygwin_conv_to_posix_path */ -#endif +/* The selected interpreter. This will be used as a set command + variable, so it should always be malloc'ed - since + do_setshow_command will free it. */ +char *interpreter_p; -int -main (argc, argv) - int argc; - char **argv; +/* Whether xdb commands will be handled */ +int xdb_commands = 0; + +/* Whether dbx commands will be handled */ +int dbx_commands = 0; + +/* System root path, used to find libraries etc. */ +char *gdb_sysroot = 0; + +struct ui_file *gdb_stdout; +struct ui_file *gdb_stderr; +struct ui_file *gdb_stdlog; +struct ui_file *gdb_stdin; +/* target IO streams */ +struct ui_file *gdb_stdtargin; +struct ui_file *gdb_stdtarg; +struct ui_file *gdb_stdtargerr; + +/* Support for the --batch-silent option. */ +int batch_silent = 0; + +/* Support for --return-child-result option. + Set the default to -1 to return error in the case + that the program does not run or does not complete. */ +int return_child_result = 0; +int return_child_result_value = -1; + +/* Whether to enable writing into executable and core files */ +extern int write_files; + +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 char *external_editor_command; + +/* Call command_loop. If it happens to return, pass that through as a + non-zero return status. */ + +static int +captured_command_loop (void *data) +{ + current_interp_command_loop (); + /* 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. Unfortunately, many FUNCs + 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; +} + +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; + static int set_args = 0; /* Pointers to various arguments from command line. */ char *symarg = NULL; @@ -82,7 +138,13 @@ main (argc, argv) static int print_version; /* Pointers to all arguments of --command option. */ - char **cmdarg; + struct cmdarg { + enum { + CMDARG_FILE, + CMDARG_COMMAND + } type; + char *string; + } *cmdarg; /* Allocated size of cmdarg. */ int cmdsize; /* Number of elements of cmdarg used. */ @@ -94,23 +156,26 @@ main (argc, argv) int dirsize; /* Number of elements used. */ int ndir; - + struct stat homebuf, cwdbuf; - char *homedir, *homeinit; + char *homedir; - register int i; + int i; long time_at_startup = get_run_time (); - START_PROGRESS (argv[0], 0); - -#ifdef MPW - /* Do all Mac-specific setup. */ - mac_init (); -#endif /* MPW */ +#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) + setlocale (LC_MESSAGES, ""); +#endif +#if defined (HAVE_SETLOCALE) + setlocale (LC_CTYPE, ""); +#endif + bindtextdomain (PACKAGE, LOCALEDIR); + textdomain (PACKAGE); - /* This needs to happen before the first use of malloc. */ - init_malloc ((PTR) NULL); +#ifdef HAVE_SBRK + lim_at_start = (char *) sbrk (0); +#endif #if defined (ALIGN_STACK_ON_STARTUP) i = (int) &count & 0x3; @@ -118,13 +183,8 @@ 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)); + cmdarg = (struct cmdarg *) xmalloc (cmdsize * sizeof (*cmdarg)); ncmd = 0; dirsize = 1; dirarg = (char **) xmalloc (dirsize * sizeof (*dirarg)); @@ -138,65 +198,128 @@ main (argc, argv) getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); current_directory = gdb_dirbuf; + gdb_stdout = stdio_fileopen (stdout); + gdb_stderr = stdio_fileopen (stderr); + gdb_stdlog = gdb_stderr; /* for moment */ + gdb_stdtarg = gdb_stderr; /* for moment */ + gdb_stdin = stdio_fileopen (stdin); + gdb_stdtargerr = gdb_stderr; /* for moment */ + gdb_stdtargin = gdb_stdin; /* for moment */ + + /* Set the sysroot path. */ +#ifdef TARGET_SYSTEM_ROOT_RELOCATABLE + gdb_sysroot = make_relative_prefix (argv[0], BINDIR, TARGET_SYSTEM_ROOT); + if (gdb_sysroot) + { + struct stat s; + int res = 0; + + if (stat (gdb_sysroot, &s) == 0) + if (S_ISDIR (s.st_mode)) + res = 1; + + if (res == 0) + { + xfree (gdb_sysroot); + gdb_sysroot = TARGET_SYSTEM_ROOT; + } + } + else + gdb_sysroot = TARGET_SYSTEM_ROOT; +#else +#if defined (TARGET_SYSTEM_ROOT) + gdb_sysroot = TARGET_SYSTEM_ROOT; +#else + gdb_sysroot = ""; +#endif +#endif + + /* There will always be an interpreter. Either the one passed into + this captured main, or one specified by the user at start up, or + the console. Initialize the interpreter to the one requested by + the application. */ + interpreter_p = xstrdup (context->interpreter_p); + /* Parse arguments and options. */ { int c; /* When var field is 0, use flag field to record the equivalent short option (or arbitrary numbers starting at 10 for those with no equivalent). */ + enum { + OPT_SE = 10, + OPT_CD, + OPT_ANNOTATE, + OPT_STATISTICS, + OPT_TUI, + OPT_NOWINDOWS, + OPT_WINDOWS + }; static struct option long_options[] = - { - {"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'}, -/* start-sanitize-gdbtk */ -#ifdef GDBTK - {"tclcommand", required_argument, 0, 'z'}, + { +#if defined(TUI) + {"tui", no_argument, 0, OPT_TUI}, #endif -/* end-sanitize-gdbtk */ - {"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}, -/* Allow machine descriptions to add more options... */ -#ifdef ADDITIONAL_OPTIONS - ADDITIONAL_OPTIONS + {"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}, + {"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-silent", no_argument, 0, 'B'}, + {"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, OPT_ANNOTATE}, + {"help", no_argument, &print_help, 1}, + {"se", required_argument, 0, OPT_SE}, + {"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'}, + {"pid", required_argument, 0, 'p'}, + {"p", required_argument, 0, 'p'}, + {"command", required_argument, 0, 'x'}, + {"eval-command", required_argument, 0, 'X'}, + {"version", no_argument, &print_version, 1}, + {"x", required_argument, 0, 'x'}, + {"ex", 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 - {0, no_argument, 0, 0} - }; + {"ui", required_argument, 0, 'i'}, + {"interpreter", required_argument, 0, 'i'}, + {"i", required_argument, 0, 'i'}, + {"directory", required_argument, 0, 'd'}, + {"d", required_argument, 0, 'd'}, + {"cd", required_argument, 0, OPT_CD}, + {"tty", required_argument, 0, 't'}, + {"baud", required_argument, 0, 'b'}, + {"b", required_argument, 0, 'b'}, + {"nw", no_argument, NULL, OPT_NOWINDOWS}, + {"nowindows", no_argument, NULL, OPT_NOWINDOWS}, + {"w", no_argument, NULL, OPT_WINDOWS}, + {"windows", no_argument, NULL, OPT_WINDOWS}, + {"statistics", no_argument, 0, OPT_STATISTICS}, + {"write", no_argument, &write_files, 1}, + {"args", no_argument, &set_args, 1}, + {"l", required_argument, 0, 'l'}, + {"return-child-result", no_argument, &return_child_result, 1}, + {0, no_argument, 0, 0} + }; while (1) { @@ -204,7 +327,7 @@ main (argc, argv) c = getopt_long_only (argc, argv, "", long_options, &option_index); - if (c == EOF) + if (c == EOF || set_args) break; /* Long option that takes an argument. */ @@ -216,22 +339,43 @@ main (argc, argv) case 0: /* Long option that just sets a flag. */ break; - case 10: + case OPT_SE: symarg = optarg; execarg = optarg; break; - case 11: + case OPT_CD: cdarg = optarg; break; - case 12: + case OPT_ANNOTATE: /* FIXME: what if the syntax is wrong (e.g. not digits)? */ annotation_level = atoi (optarg); break; - case 13: + case OPT_STATISTICS: /* Enable the display of both time and space usage. */ display_time = 1; display_space = 1; break; + case OPT_TUI: + /* --tui is equivalent to -i=tui. */ + xfree (interpreter_p); + interpreter_p = xstrdup (INTERP_TUI); + break; + case OPT_WINDOWS: + /* FIXME: cagney/2003-03-01: Not sure if this option is + actually useful, and if it is, what it should do. */ +#ifdef GDBTK + /* --windows is equivalent to -i=insight. */ + xfree (interpreter_p); + interpreter_p = xstrdup (INTERP_INSIGHT); +#endif + use_windows = 1; + break; + case OPT_NOWINDOWS: + /* -nw is equivalent to -i=console. */ + xfree (interpreter_p); + interpreter_p = xstrdup (INTERP_CONSOLE); + use_windows = 0; + break; case 'f': annotation_level = 1; /* We have probably been invoked from emacs. Disable window interface. */ @@ -246,36 +390,65 @@ main (argc, argv) case 'c': corearg = optarg; break; + case 'p': + /* "corearg" is shared by "--core" and "--pid" */ + corearg = optarg; + break; case 'x': - cmdarg[ncmd++] = optarg; + cmdarg[ncmd].type = CMDARG_FILE; + cmdarg[ncmd++].string = optarg; + if (ncmd >= cmdsize) + { + cmdsize *= 2; + cmdarg = xrealloc ((char *) cmdarg, + cmdsize * sizeof (*cmdarg)); + } + break; + case 'X': + cmdarg[ncmd].type = CMDARG_COMMAND; + cmdarg[ncmd++].string = optarg; if (ncmd >= cmdsize) { cmdsize *= 2; - cmdarg = (char **) xrealloc ((char *)cmdarg, - cmdsize * sizeof (*cmdarg)); + cmdarg = xrealloc ((char *) cmdarg, + cmdsize * sizeof (*cmdarg)); } break; - /* start-sanitize-gdbtk */ + case 'B': + batch = batch_silent = 1; + gdb_stdout = ui_file_new(); + 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 'z': + { +extern int gdbtk_test (char *); + if (!gdbtk_test (optarg)) + { + fprintf_unfiltered (gdb_stderr, _("%s: unable to load tclcommand file \"%s\""), + argv[0], optarg); + exit (1); + } + break; + } + case 'y': + /* Backwards compatibility only. */ + break; + case 'w': + { + external_editor_command = xstrdup (optarg); + break; + } #endif /* GDBTK */ - /* end-sanitize-gdbtk */ + case 'i': + xfree (interpreter_p); + interpreter_p = xstrdup (optarg); + break; case 'd': dirarg[ndir++] = optarg; if (ndir >= dirsize) { dirsize *= 2; - dirarg = (char **) xrealloc ((char *)dirarg, + dirarg = (char **) xrealloc ((char *) dirarg, dirsize * sizeof (*dirarg)); } break; @@ -294,14 +467,15 @@ 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 baud rate to `%s'.\n", optarg); + _("warning: could not set baud rate to `%s'.\n"), optarg); else baud_rate = i; } + break; case 'l': { int i; @@ -311,57 +485,83 @@ 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 -#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); } } /* If --help or --version, disable window interface. */ if (print_help || print_version) - use_windows = 0; + { + use_windows = 0; + } - /* OK, that's all the options. The other arguments are filenames. */ - count = 0; - for (; optind < argc; optind++) - switch (++count) - { - case 1: - symarg = argv[optind]; - execarg = argv[optind]; - break; - case 2: - corearg = argv[optind]; - break; - case 3: - fprintf_unfiltered (gdb_stderr, - "Excess command line arguments ignored. (%s%s)\n", - argv[optind], (optind == argc - 1) ? "" : " ..."); - break; - } + if (set_args) + { + /* The remaining options are the command-line options for the + inferior. The first one is the sym/exec file, and the rest + are arguments. */ + if (optind >= argc) + { + fprintf_unfiltered (gdb_stderr, + _("%s: `--args' specified but no program specified\n"), + argv[0]); + exit (1); + } + symarg = argv[optind]; + execarg = argv[optind]; + ++optind; + set_inferior_args_vector (argc - optind, &argv[optind]); + } + else + { + /* OK, that's all the options. The other arguments are filenames. */ + count = 0; + for (; optind < argc; optind++) + switch (++count) + { + case 1: + symarg = argv[optind]; + execarg = argv[optind]; + break; + case 2: + /* The documentation says this can be a "ProcID" as well. + We will try it as both a corefile and a pid. */ + corearg = argv[optind]; + break; + case 3: + fprintf_unfiltered (gdb_stderr, + _("Excess command line arguments ignored. (%s%s)\n"), + argv[optind], (optind == argc - 1) ? "" : " ..."); + break; + } + } if (batch) quiet = 1; } + /* Initialize all files. Give the interpreter a chance to take + control of the console via the deprecated_init_ui_hook (). */ gdb_init (argv[0]); /* Do these (and anything which might call wrap_here or *_filtered) - after initialize_all_files. */ + after initialize_all_files() but before the interpreter has been + installed. Otherwize the help/version messages will be eaten by + the interpreter's output handler. */ + if (print_version) { print_gdb_version (gdb_stdout); @@ -377,108 +577,116 @@ main (argc, argv) exit (0); } - if (!quiet) + /* FIXME: cagney/2003-02-03: The big hack (part 1 of 2) that lets + GDB retain the old MI1 interpreter startup behavior. Output the + copyright message before the interpreter is installed. That way + it isn't encapsulated in MI output. */ + if (!quiet && strcmp (interpreter_p, INTERP_MI1) == 0) + { + /* Print all the junk at the top, with trailing "..." if we are about + 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 */ + } + + + /* Install the default UI. All the interpreters should have had a + look at things by now. Initialize the default interpreter. */ + + { + /* Find it. */ + struct interp *interp = interp_lookup (interpreter_p); + if (interp == NULL) + error (_("Interpreter `%s' unrecognized"), interpreter_p); + /* Install it. */ + if (!interp_set (interp)) + { + fprintf_unfiltered (gdb_stderr, + "Interpreter `%s' failed to initialize.\n", + interpreter_p); + exit (1); + } + } + + /* FIXME: cagney/2003-02-03: The big hack (part 2 of 2) that lets + GDB retain the old MI1 interpreter startup behavior. Output the + copyright message after the interpreter is installed when it is + any sane interpreter. */ + if (!quiet && !current_interp_named_p (INTERP_MI1)) { /* 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"; quit_pre_print = error_pre_print; /* We may get more than one warning, don't double space all of them... */ - warning_pre_print = "\nwarning: "; + warning_pre_print = _("\nwarning: "); /* Read and execute $HOME/.gdbinit file, if it exists. This is done *before* all the command line arguments are processed; it sets global parameters, which are independent of what file you are debugging or what directory you are in. */ -#ifdef __CYGWIN__ - { - char * tmp = getenv ("HOME"); - - if (tmp != NULL) - { - homedir = (char *) alloca (MAX_PATH+1); - cygwin_conv_to_posix_path (tmp, homedir); - } - else - homedir = NULL; - } -#else - homedir = getenv ("HOME"); -#endif + homedir = getenv ("HOME"); if (homedir) { - homeinit = (char *) alloca (strlen (homedir) + - strlen (gdbinit) + 10); - strcpy (homeinit, homedir); - strcat (homeinit, "/"); - strcat (homeinit, gdbinit); + char *homeinit = xstrprintf ("%s/%s", homedir, gdbinit); 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. */ + xfree (homeinit); } /* 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); + xfree (dirarg); if (execarg != NULL && symarg != NULL - && STREQ (execarg, symarg)) + && strcmp (execarg, symarg) == 0) { - /* 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_attach, execarg, !batch, RETURN_MASK_ALL)) + catch_command_errors (symbol_file_add_main, symarg, 0, RETURN_MASK_ALL); } else { if (execarg != NULL) - if (!SET_TOP_LEVEL ()) - exec_file_command (execarg, !batch); + catch_command_errors (exec_file_attach, execarg, !batch, RETURN_MASK_ALL); if (symarg != NULL) - if (!SET_TOP_LEVEL ()) - symbol_file_command (symarg, 0); + catch_command_errors (symbol_file_add_main, 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 @@ -487,61 +695,79 @@ main (argc, argv) printf_filtered ("\n"); error_pre_print = "\n"; quit_pre_print = error_pre_print; - warning_pre_print = "\nwarning: "; + warning_pre_print = _("\nwarning: "); if (corearg != NULL) - if (!SET_TOP_LEVEL ()) - core_file_command (corearg, !batch); - else if (isdigit (corearg[0]) && !SET_TOP_LEVEL ()) - attach_command (corearg, !batch); - do_cleanups (ALL_CLEANUPS); + { + /* corearg may be either a corefile or a pid. + If its first character is a digit, try attach first + and then corefile. Otherwise try corefile first. */ - if (ttyarg != NULL) - if (!SET_TOP_LEVEL ()) - tty_command (ttyarg, !batch); - do_cleanups (ALL_CLEANUPS); + if (isdigit (corearg[0])) + { + if (catch_command_errors (attach_command, corearg, + !batch, RETURN_MASK_ALL) == 0) + catch_command_errors (core_file_command, corearg, + !batch, RETURN_MASK_ALL); + } + else /* Can't be a pid, better be a corefile. */ + catch_command_errors (core_file_command, corearg, + !batch, RETURN_MASK_ALL); + } -#ifdef ADDITIONAL_OPTION_HANDLER - ADDITIONAL_OPTION_HANDLER; -#endif + if (ttyarg != NULL) + catch_command_errors (tty_command, ttyarg, !batch, RETURN_MASK_ALL); /* Error messages should no longer be distinguished with extra output. */ error_pre_print = NULL; quit_pre_print = NULL; - warning_pre_print = "warning: "; + warning_pre_print = _("warning: "); /* 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 */ +#if 0 if (cmdarg[i][0] == '-' && cmdarg[i][1] == '\0') read_command_file (stdin); else +#endif source_command (cmdarg[i], !batch); do_cleanups (ALL_CLEANUPS); } +#endif + if (cmdarg[i].type == CMDARG_FILE) + catch_command_errors (source_command, cmdarg[i].string, + !batch, RETURN_MASK_ALL); + else /* cmdarg[i].type == CMDARG_COMMAND */ + catch_command_errors (execute_command, cmdarg[i].string, + !batch, RETURN_MASK_ALL); } - free ((PTR)cmdarg); + xfree (cmdarg); /* Read in the old history after all the command files have been read. */ - init_history(); + init_history (); if (batch) { /* We have hit the end of the batch file. */ - exit (0); + quit_force (NULL, 0); } /* Do any host- or target-specific hacks. This is used for i960 targets @@ -551,15 +777,13 @@ main (argc, argv) BEFORE_MAIN_LOOP_HOOK; #endif - END_PROGRESS (argv[0]); - /* Show time and/or space usage. */ if (display_time) { long init_time = get_run_time () - time_at_startup; - printf_unfiltered ("Startup time: %ld.%06ld\n", + printf_unfiltered (_("Startup time: %ld.%06ld\n"), init_time / 1000000, init_time % 1000000); } @@ -569,113 +793,131 @@ main (argc, argv) extern char **environ; char *lim = (char *) sbrk (0); - printf_unfiltered ("Startup size: data size %ld\n", + printf_unfiltered (_("Startup size: data size %ld\n"), (long) (lim - (char *) &environ)); #endif } - /* 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__ +#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 */ - /* 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 (command_loop_hook) - command_loop_hook (); + 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(). */ + if (deprecated_command_loop_hook) + deprecated_command_loop_hook (); else - command_loop (); - quit_command ((char *)0, instream == stdin); + deprecated_command_loop (); + 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); + } + /* No exit -- exit is through quit_command. */ +} +int +gdb_main (struct captured_main_args *args) +{ + use_windows = args->use_windows; + catch_errors (captured_main, args, "", RETURN_MASK_ALL); + /* The only way to end up here is by an error (normal exit is + handled by quit_force()), hence always return an error status. */ + return 1; } + /* 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\ + gdb [options] [executable-file [core-file or process-id]]\n\ + gdb [options] --args executable-file [inferior-arguments ...]\n\n\ Options:\n\n\ -", stream); - fputs_unfiltered ("\ +"), stream); + fputs_unfiltered (_("\ + --args Arguments after executable-file are passed to inferior\n\ +"), stream); + fputs_unfiltered (_("\ -b BAUDRATE Set serial port baud rate used for remote debugging.\n\ --batch Exit after processing options.\n\ + --batch-silent As for --batch, but suppress all gdb stdout output.\n\ + --return-child-result\n\ + GDB exit code will be the child's exit code.\n\ --cd=DIR Change current directory to DIR.\n\ - --command=FILE Execute GDB commands from FILE.\n\ + --command=FILE, -x Execute GDB commands from FILE.\n\ + --eval-command=COMMAND, -ex\n\ + Execute a single GDB command.\n\ + May be used multiple times and in conjunction\n\ + with --command.\n\ --core=COREFILE Analyze the core dump COREFILE.\n\ -", stream); - fputs_unfiltered ("\ + --pid=PID Attach to running process PID.\n\ +"), stream); + 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\ --exec=EXECFILE Use EXECFILE as the executable.\n\ --fullname Output information used by emacs-GDB interface.\n\ --help Print this message.\n\ -", stream); - fputs_unfiltered ("\ - --mapped Use mapped symbol files if supported on this system.\n\ +"), stream); + fputs_unfiltered (_("\ + --interpreter=INTERP\n\ + Select a specific interpreter / user interface\n\ +"), stream); + fputs_unfiltered (_("\ + -l TIMEOUT Set timeout in seconds for remote debugging.\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 ("\ +"), stream); + 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\ - --version Print version information and then exit.\n\ -", stream); -#ifdef ADDITIONAL_OPTION_HELP - fputs_unfiltered (ADDITIONAL_OPTION_HELP, stream); +"), stream); +#if defined(TUI) + fputs_unfiltered (_("\ + --tui Use a terminal user interface.\n\ +"), stream); #endif - fputs_unfiltered ("\n\ + 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); + 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\".\ -", stream); -} - - -void -init_proc () -{ -} - -void -proc_remove_foreign (pid) - int pid; -{ -} - -/* 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; - FILE *stream; -{ - if (fputs_unfiltered_hook - && (stream == gdb_stdout - || stream == gdb_stderr)) - fputs_unfiltered_hook (linebuffer, stream); - else - fputs (linebuffer, stream); +Report bugs to \"bug-gdb@gnu.org\".\ +"), stream); }