1999-04-16 03:35:26 +02:00
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/* Top level stuff for GDB, the GNU debugger.
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2000-02-02 01:21:19 +01:00
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Copyright 1986-1995, 1999-2000 Free Software Foundation, Inc.
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1999-04-16 03:35:26 +02:00
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1999-07-07 22:19:36 +02:00
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This file is part of GDB.
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1999-04-16 03:35:26 +02:00
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1999-07-07 22:19:36 +02:00
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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1999-04-16 03:35:26 +02:00
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1999-07-07 22:19:36 +02:00
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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1999-04-16 03:35:26 +02:00
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1999-07-07 22:19:36 +02:00
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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1999-04-16 03:35:26 +02:00
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#include "defs.h"
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#include "top.h"
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#include "target.h"
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#include "inferior.h"
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#include "call-cmds.h"
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#include "getopt.h"
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#include <sys/types.h>
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#include "gdb_stat.h"
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#include <ctype.h>
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#include "gdb_string.h"
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1999-06-21 15:27:42 +02:00
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#include "event-loop.h"
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2000-02-03 05:14:45 +01:00
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#include "ui-out.h"
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2000-02-01 04:19:29 +01:00
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#if defined (TUI) || defined (GDBTK)
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/* FIXME: cagney/2000-01-31: This #include is to allow older code such
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as that found in the TUI to continue to build. */
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#include "tui/tui-file.h"
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#endif
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1999-04-16 03:35:26 +02:00
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/* If nonzero, display time usage both at startup and for each command. */
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int display_time;
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/* If nonzero, display space usage both at startup and for each command. */
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int display_space;
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1999-05-11 15:35:55 +02:00
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/* Whether this is the async version or not. The async version is
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1999-07-07 22:19:36 +02:00
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invoked on the command line with the -nw --async options. In this
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version, the usual command_loop is substituted by and event loop which
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processes UI events asynchronously. */
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1999-09-28 23:55:21 +02:00
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int event_loop_p = 1;
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1999-05-11 15:35:55 +02:00
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2000-02-23 01:25:43 +01:00
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#ifdef UI_OUT
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/* Has an interpreter been specified and if so, which. */
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char *interpreter_p;
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#endif
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1999-04-16 03:35:26 +02:00
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/* Whether this is the command line version or not */
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int tui_version = 0;
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/* Whether xdb commands will be handled */
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int xdb_commands = 0;
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/* Whether dbx commands will be handled */
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int dbx_commands = 0;
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2000-02-02 01:21:19 +01:00
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struct ui_file *gdb_stdout;
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struct ui_file *gdb_stderr;
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struct ui_file *gdb_stdlog;
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struct ui_file *gdb_stdtarg;
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1999-04-16 03:35:26 +02:00
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1999-10-06 01:13:56 +02:00
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/* Used to initialize error() - defined in utils.c */
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extern void error_init (void);
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1999-04-16 03:35:26 +02:00
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/* Whether to enable writing into executable and core files */
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extern int write_files;
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2000-02-02 01:21:19 +01:00
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static void print_gdb_help (struct ui_file *);
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1999-04-16 03:35:26 +02:00
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/* These two are used to set the external editor commands when gdb is farming
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out files to be edited by another program. */
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extern int enable_external_editor;
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1999-07-07 22:19:36 +02:00
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extern char *external_editor_command;
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1999-04-16 03:35:26 +02:00
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#ifdef __CYGWIN__
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1999-07-07 22:19:36 +02:00
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#include <windows.h> /* for MAX_PATH */
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#include <sys/cygwin.h> /* for cygwin32_conv_to_posix_path */
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1999-04-16 03:35:26 +02:00
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#endif
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1999-11-09 02:23:30 +01:00
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/* Call command_loop. If it happens to return, pass that through as a
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non-zero return status. */
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static int
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captured_command_loop (void *data)
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1999-04-16 03:35:26 +02:00
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{
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1999-11-09 02:23:30 +01:00
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if (command_loop_hook == NULL)
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command_loop ();
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else
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command_loop_hook ();
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/* FIXME: cagney/1999-11-05: A correct command_loop() implementaton
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would clean things up (restoring the cleanup chain) to the state
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they were just prior to the call. Technically, this means that
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2000-10-24 00:49:29 +02:00
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the do_cleanups() below is redundant. Unfortunately, many FUNCs
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1999-11-09 02:23:30 +01:00
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are not that well behaved. do_cleanups should either be replaced
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with a do_cleanups call (to cover the problem) or an assertion
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check to detect bad FUNCs code. */
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do_cleanups (ALL_CLEANUPS);
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/* If the command_loop returned, normally (rather than threw an
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error) we try to quit. If the quit is aborted, catch_errors()
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which called this catch the signal and restart the command
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loop. */
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quit_command (NULL, instream == stdin);
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return 1;
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}
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struct captured_main_args
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{
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int argc;
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char **argv;
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};
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static int
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captured_main (void *data)
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{
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struct captured_main_args *context = data;
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int argc = context->argc;
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char **argv = context->argv;
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1999-04-16 03:35:26 +02:00
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int count;
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static int quiet = 0;
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static int batch = 0;
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/* Pointers to various arguments from command line. */
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char *symarg = NULL;
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char *execarg = NULL;
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char *corearg = NULL;
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char *cdarg = NULL;
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char *ttyarg = NULL;
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/* These are static so that we can take their address in an initializer. */
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static int print_help;
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static int print_version;
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/* Pointers to all arguments of --command option. */
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char **cmdarg;
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/* Allocated size of cmdarg. */
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int cmdsize;
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/* Number of elements of cmdarg used. */
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int ncmd;
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/* Indices of all arguments of --directory option. */
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char **dirarg;
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/* Allocated size. */
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int dirsize;
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/* Number of elements used. */
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int ndir;
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1999-07-07 22:19:36 +02:00
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1999-04-16 03:35:26 +02:00
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struct stat homebuf, cwdbuf;
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char *homedir, *homeinit;
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register int i;
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long time_at_startup = get_run_time ();
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START_PROGRESS (argv[0], 0);
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#ifdef MPW
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/* Do all Mac-specific setup. */
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mac_init ();
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#endif /* MPW */
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/* This needs to happen before the first use of malloc. */
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init_malloc ((PTR) NULL);
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#if defined (ALIGN_STACK_ON_STARTUP)
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i = (int) &count & 0x3;
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if (i != 0)
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alloca (4 - i);
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#endif
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cmdsize = 1;
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cmdarg = (char **) xmalloc (cmdsize * sizeof (*cmdarg));
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ncmd = 0;
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dirsize = 1;
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dirarg = (char **) xmalloc (dirsize * sizeof (*dirarg));
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ndir = 0;
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quit_flag = 0;
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line = (char *) xmalloc (linesize);
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line[0] = '\0'; /* Terminate saved (now empty) cmd line */
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instream = stdin;
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getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
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current_directory = gdb_dirbuf;
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2000-02-01 04:19:29 +01:00
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#if defined (TUI) || defined (GDBTK)
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/* Older code uses the tui_file and fputs_unfiltered_hook(). It
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2000-02-02 01:21:19 +01:00
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should be using a customized UI_FILE object and re-initializing
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2000-02-01 04:19:29 +01:00
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within its own _initialize function. */
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1999-06-01 17:44:41 +02:00
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gdb_stdout = tui_fileopen (stdout);
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gdb_stderr = tui_fileopen (stderr);
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1999-07-07 22:19:36 +02:00
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gdb_stdlog = gdb_stdout; /* for moment */
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gdb_stdtarg = gdb_stderr; /* for moment */
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2000-02-01 04:19:29 +01:00
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#else
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gdb_stdout = stdio_fileopen (stdout);
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gdb_stderr = stdio_fileopen (stderr);
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gdb_stdlog = gdb_stderr; /* for moment */
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gdb_stdtarg = gdb_stderr; /* for moment */
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1999-06-01 17:44:41 +02:00
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#endif
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1999-04-16 03:35:26 +02:00
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1999-10-06 01:13:56 +02:00
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/* initialize error() */
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error_init ();
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1999-04-16 03:35:26 +02:00
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/* Parse arguments and options. */
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{
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int c;
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/* When var field is 0, use flag field to record the equivalent
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short option (or arbitrary numbers starting at 10 for those
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with no equivalent). */
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static struct option long_options[] =
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1999-07-07 22:19:36 +02:00
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{
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1999-09-28 23:55:21 +02:00
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{"async", no_argument, &event_loop_p, 1},
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{"noasync", no_argument, &event_loop_p, 0},
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1999-04-16 03:35:26 +02:00
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#if defined(TUI)
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1999-07-07 22:19:36 +02:00
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{"tui", no_argument, &tui_version, 1},
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1999-04-16 03:35:26 +02:00
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#endif
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1999-07-07 22:19:36 +02:00
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{"xdb", no_argument, &xdb_commands, 1},
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{"dbx", no_argument, &dbx_commands, 1},
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{"readnow", no_argument, &readnow_symbol_files, 1},
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{"r", no_argument, &readnow_symbol_files, 1},
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{"mapped", no_argument, &mapped_symbol_files, 1},
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{"m", no_argument, &mapped_symbol_files, 1},
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{"quiet", no_argument, &quiet, 1},
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{"q", no_argument, &quiet, 1},
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{"silent", no_argument, &quiet, 1},
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{"nx", no_argument, &inhibit_gdbinit, 1},
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{"n", no_argument, &inhibit_gdbinit, 1},
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{"batch", no_argument, &batch, 1},
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{"epoch", no_argument, &epoch_interface, 1},
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/* This is a synonym for "--annotate=1". --annotate is now preferred,
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but keep this here for a long time because people will be running
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emacses which use --fullname. */
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{"fullname", no_argument, 0, 'f'},
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{"f", no_argument, 0, 'f'},
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{"annotate", required_argument, 0, 12},
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{"help", no_argument, &print_help, 1},
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{"se", required_argument, 0, 10},
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{"symbols", required_argument, 0, 's'},
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{"s", required_argument, 0, 's'},
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{"exec", required_argument, 0, 'e'},
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{"e", required_argument, 0, 'e'},
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{"core", required_argument, 0, 'c'},
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{"c", required_argument, 0, 'c'},
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{"command", required_argument, 0, 'x'},
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{"version", no_argument, &print_version, 1},
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{"x", required_argument, 0, 'x'},
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2000-02-07 01:19:45 +01:00
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#ifdef GDBTK
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{"tclcommand", required_argument, 0, 'z'},
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{"enable-external-editor", no_argument, 0, 'y'},
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{"editor-command", required_argument, 0, 'w'},
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#endif
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2000-02-23 01:25:43 +01:00
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#ifdef UI_OUT
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2000-02-03 05:14:45 +01:00
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{"ui", required_argument, 0, 'i'},
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{"interpreter", required_argument, 0, 'i'},
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{"i", required_argument, 0, 'i'},
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2000-02-23 01:25:43 +01:00
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#endif
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1999-07-07 22:19:36 +02:00
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{"directory", required_argument, 0, 'd'},
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1999-12-14 02:06:04 +01:00
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{"d", required_argument, 0, 'd'},
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1999-07-07 22:19:36 +02:00
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{"cd", required_argument, 0, 11},
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{"tty", required_argument, 0, 't'},
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{"baud", required_argument, 0, 'b'},
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{"b", required_argument, 0, 'b'},
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{"nw", no_argument, &use_windows, 0},
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{"nowindows", no_argument, &use_windows, 0},
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{"w", no_argument, &use_windows, 1},
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{"windows", no_argument, &use_windows, 1},
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{"statistics", no_argument, 0, 13},
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{"write", no_argument, &write_files, 1},
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1999-04-16 03:35:26 +02:00
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/* Allow machine descriptions to add more options... */
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#ifdef ADDITIONAL_OPTIONS
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1999-07-07 22:19:36 +02:00
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ADDITIONAL_OPTIONS
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1999-04-16 03:35:26 +02:00
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#endif
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1999-07-07 22:19:36 +02:00
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{0, no_argument, 0, 0}
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};
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1999-04-16 03:35:26 +02:00
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while (1)
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{
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int option_index;
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c = getopt_long_only (argc, argv, "",
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long_options, &option_index);
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if (c == EOF)
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break;
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/* Long option that takes an argument. */
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if (c == 0 && long_options[option_index].flag == 0)
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c = long_options[option_index].val;
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switch (c)
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{
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case 0:
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/* Long option that just sets a flag. */
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break;
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case 10:
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symarg = optarg;
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execarg = optarg;
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break;
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case 11:
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cdarg = optarg;
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break;
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case 12:
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/* FIXME: what if the syntax is wrong (e.g. not digits)? */
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annotation_level = atoi (optarg);
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break;
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case 13:
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/* Enable the display of both time and space usage. */
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display_time = 1;
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display_space = 1;
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break;
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case 'f':
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annotation_level = 1;
|
|
|
|
/* We have probably been invoked from emacs. Disable window interface. */
|
|
|
|
use_windows = 0;
|
|
|
|
break;
|
|
|
|
case 's':
|
|
|
|
symarg = optarg;
|
|
|
|
break;
|
|
|
|
case 'e':
|
|
|
|
execarg = optarg;
|
|
|
|
break;
|
|
|
|
case 'c':
|
|
|
|
corearg = optarg;
|
|
|
|
break;
|
|
|
|
case 'x':
|
|
|
|
cmdarg[ncmd++] = optarg;
|
|
|
|
if (ncmd >= cmdsize)
|
|
|
|
{
|
|
|
|
cmdsize *= 2;
|
1999-07-07 22:19:36 +02:00
|
|
|
cmdarg = (char **) xrealloc ((char *) cmdarg,
|
1999-04-16 03:35:26 +02:00
|
|
|
cmdsize * sizeof (*cmdarg));
|
|
|
|
}
|
|
|
|
break;
|
2000-02-07 01:19:45 +01:00
|
|
|
#ifdef GDBTK
|
|
|
|
case 'z':
|
|
|
|
{
|
2000-05-28 03:12:42 +02:00
|
|
|
extern int gdbtk_test (char *);
|
2000-02-07 01:19:45 +01:00
|
|
|
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 */
|
2000-02-23 01:25:43 +01:00
|
|
|
#ifdef UI_OUT
|
|
|
|
case 'i':
|
|
|
|
interpreter_p = optarg;
|
|
|
|
break;
|
|
|
|
#endif
|
1999-04-16 03:35:26 +02:00
|
|
|
case 'd':
|
|
|
|
dirarg[ndir++] = optarg;
|
|
|
|
if (ndir >= dirsize)
|
|
|
|
{
|
|
|
|
dirsize *= 2;
|
1999-07-07 22:19:36 +02:00
|
|
|
dirarg = (char **) xrealloc ((char *) dirarg,
|
1999-04-16 03:35:26 +02:00
|
|
|
dirsize * sizeof (*dirarg));
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case 't':
|
|
|
|
ttyarg = optarg;
|
|
|
|
break;
|
|
|
|
case 'q':
|
|
|
|
quiet = 1;
|
|
|
|
break;
|
|
|
|
case 'b':
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
char *p;
|
|
|
|
|
|
|
|
i = strtol (optarg, &p, 0);
|
|
|
|
if (i == 0 && p == optarg)
|
|
|
|
|
|
|
|
/* Don't use *_filtered or warning() (which relies on
|
1999-07-07 22:19:36 +02:00
|
|
|
current_target) until after initialize_all_files(). */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
fprintf_unfiltered
|
|
|
|
(gdb_stderr,
|
|
|
|
"warning: could not set baud rate to `%s'.\n", optarg);
|
|
|
|
else
|
|
|
|
baud_rate = i;
|
|
|
|
}
|
|
|
|
case 'l':
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
char *p;
|
|
|
|
|
|
|
|
i = strtol (optarg, &p, 0);
|
|
|
|
if (i == 0 && p == optarg)
|
|
|
|
|
|
|
|
/* Don't use *_filtered or warning() (which relies on
|
1999-07-07 22:19:36 +02:00
|
|
|
current_target) until after initialize_all_files(). */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
fprintf_unfiltered
|
|
|
|
(gdb_stderr,
|
1999-07-07 22:19:36 +02:00
|
|
|
"warning: could not set timeout limit to `%s'.\n", optarg);
|
1999-04-16 03:35:26 +02:00
|
|
|
else
|
|
|
|
remote_timeout = i;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
#ifdef ADDITIONAL_OPTION_CASES
|
1999-07-07 22:19:36 +02:00
|
|
|
ADDITIONAL_OPTION_CASES
|
1999-04-16 03:35:26 +02:00
|
|
|
#endif
|
|
|
|
case '?':
|
|
|
|
fprintf_unfiltered (gdb_stderr,
|
1999-07-07 22:19:36 +02:00
|
|
|
"Use `%s --help' for a complete list of options.\n",
|
|
|
|
argv[0]);
|
1999-04-16 03:35:26 +02:00
|
|
|
exit (1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* If --help or --version, disable window interface. */
|
|
|
|
if (print_help || print_version)
|
|
|
|
{
|
|
|
|
use_windows = 0;
|
|
|
|
#ifdef TUI
|
|
|
|
/* Disable the TUI as well. */
|
|
|
|
tui_version = 0;
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
#ifdef TUI
|
|
|
|
/* An explicit --tui flag overrides the default UI, which is the
|
|
|
|
window system. */
|
|
|
|
if (tui_version)
|
|
|
|
use_windows = 0;
|
1999-07-07 22:19:36 +02:00
|
|
|
#endif
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
/* 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,
|
1999-07-07 22:19:36 +02:00
|
|
|
"Excess command line arguments ignored. (%s%s)\n",
|
|
|
|
argv[optind], (optind == argc - 1) ? "" : " ...");
|
1999-04-16 03:35:26 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (batch)
|
|
|
|
quiet = 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
#if defined(TUI)
|
1999-06-14 20:08:47 +02:00
|
|
|
/* Should this be moved to tui-top.c:_initialize_tui()? */
|
1999-04-16 03:35:26 +02:00
|
|
|
if (tui_version)
|
|
|
|
init_ui_hook = tuiInit;
|
|
|
|
#endif
|
1999-06-14 20:08:47 +02:00
|
|
|
|
|
|
|
/* Initialize all files. Give the interpreter a chance to take
|
|
|
|
control of the console via the init_ui_hook()) */
|
1999-04-16 03:35:26 +02:00
|
|
|
gdb_init (argv[0]);
|
|
|
|
|
|
|
|
/* Do these (and anything which might call wrap_here or *_filtered)
|
|
|
|
after initialize_all_files. */
|
|
|
|
if (print_version)
|
|
|
|
{
|
|
|
|
print_gdb_version (gdb_stdout);
|
|
|
|
wrap_here ("");
|
|
|
|
printf_filtered ("\n");
|
|
|
|
exit (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (print_help)
|
|
|
|
{
|
|
|
|
print_gdb_help (gdb_stdout);
|
|
|
|
fputs_unfiltered ("\n", gdb_stdout);
|
|
|
|
exit (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!quiet)
|
|
|
|
{
|
|
|
|
/* Print all the junk at the top, with trailing "..." if we are about
|
1999-07-07 22:19:36 +02:00
|
|
|
to read a symbol file (possibly slowly). */
|
1999-04-16 03:35:26 +02:00
|
|
|
print_gdb_version (gdb_stdout);
|
|
|
|
if (symarg)
|
|
|
|
printf_filtered ("..");
|
1999-07-07 22:19:36 +02:00
|
|
|
wrap_here ("");
|
|
|
|
gdb_flush (gdb_stdout); /* Force to screen during slow operations */
|
1999-04-16 03:35:26 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
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: ";
|
|
|
|
|
|
|
|
/* 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 __CYGWIN32__
|
|
|
|
{
|
1999-07-07 22:19:36 +02:00
|
|
|
char *tmp = getenv ("HOME");
|
|
|
|
|
1999-04-16 03:35:26 +02:00
|
|
|
if (tmp != NULL)
|
|
|
|
{
|
1999-07-07 22:19:36 +02:00
|
|
|
homedir = (char *) alloca (MAX_PATH + 1);
|
|
|
|
cygwin32_conv_to_posix_path (tmp, homedir);
|
1999-04-16 03:35:26 +02:00
|
|
|
}
|
|
|
|
else
|
|
|
|
homedir = NULL;
|
|
|
|
}
|
|
|
|
#else
|
1999-07-07 22:19:36 +02:00
|
|
|
homedir = getenv ("HOME");
|
1999-04-16 03:35:26 +02:00
|
|
|
#endif
|
|
|
|
if (homedir)
|
|
|
|
{
|
|
|
|
homeinit = (char *) alloca (strlen (homedir) +
|
|
|
|
strlen (gdbinit) + 10);
|
|
|
|
strcpy (homeinit, homedir);
|
|
|
|
strcat (homeinit, "/");
|
|
|
|
strcat (homeinit, gdbinit);
|
|
|
|
|
|
|
|
if (!inhibit_gdbinit)
|
|
|
|
{
|
1999-11-09 02:23:30 +01:00
|
|
|
catch_command_errors (source_command, homeinit, 0, RETURN_MASK_ALL);
|
1999-04-16 03:35:26 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Do stats; no need to do them elsewhere since we'll only
|
1999-07-07 22:19:36 +02:00
|
|
|
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). */
|
|
|
|
|
1999-04-16 03:35:26 +02:00
|
|
|
memset (&homebuf, 0, sizeof (struct stat));
|
|
|
|
memset (&cwdbuf, 0, sizeof (struct stat));
|
1999-07-07 22:19:36 +02:00
|
|
|
|
1999-04-16 03:35:26 +02:00
|
|
|
stat (homeinit, &homebuf);
|
1999-07-07 22:19:36 +02:00
|
|
|
stat (gdbinit, &cwdbuf); /* We'll only need this if
|
|
|
|
homedir was set. */
|
1999-04-16 03:35:26 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Now perform all the actions indicated by the arguments. */
|
|
|
|
if (cdarg != NULL)
|
|
|
|
{
|
1999-11-09 02:23:30 +01:00
|
|
|
catch_command_errors (cd_command, cdarg, 0, RETURN_MASK_ALL);
|
1999-04-16 03:35:26 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; i < ndir; i++)
|
1999-11-09 02:23:30 +01:00
|
|
|
catch_command_errors (directory_command, dirarg[i], 0, RETURN_MASK_ALL);
|
1999-07-07 22:19:36 +02:00
|
|
|
free ((PTR) dirarg);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
if (execarg != NULL
|
|
|
|
&& symarg != NULL
|
|
|
|
&& STREQ (execarg, symarg))
|
|
|
|
{
|
1999-11-09 02:23:30 +01:00
|
|
|
/* 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);
|
1999-04-16 03:35:26 +02:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
if (execarg != NULL)
|
1999-11-09 02:23:30 +01:00
|
|
|
catch_command_errors (exec_file_command, execarg, !batch, RETURN_MASK_ALL);
|
1999-04-16 03:35:26 +02:00
|
|
|
if (symarg != NULL)
|
1999-11-09 02:23:30 +01:00
|
|
|
catch_command_errors (symbol_file_command, symarg, 0, RETURN_MASK_ALL);
|
1999-04-16 03:35:26 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* After the symbol file has been read, print a newline to get us
|
|
|
|
beyond the copyright line... But errors should still set off
|
|
|
|
the error message with a (single) blank line. */
|
|
|
|
if (!quiet)
|
|
|
|
printf_filtered ("\n");
|
|
|
|
error_pre_print = "\n";
|
|
|
|
quit_pre_print = error_pre_print;
|
|
|
|
warning_pre_print = "\nwarning: ";
|
|
|
|
|
|
|
|
if (corearg != NULL)
|
|
|
|
{
|
1999-11-09 02:23:30 +01:00
|
|
|
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);
|
|
|
|
}
|
1999-04-16 03:35:26 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
if (ttyarg != NULL)
|
1999-11-09 02:23:30 +01:00
|
|
|
catch_command_errors (tty_command, ttyarg, !batch, RETURN_MASK_ALL);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
#ifdef ADDITIONAL_OPTION_HANDLER
|
|
|
|
ADDITIONAL_OPTION_HANDLER;
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/* Error messages should no longer be distinguished with extra output. */
|
|
|
|
error_pre_print = NULL;
|
|
|
|
quit_pre_print = NULL;
|
|
|
|
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). */
|
1999-07-07 22:19:36 +02:00
|
|
|
|
1999-04-16 03:35:26 +02:00
|
|
|
if (!homedir
|
|
|
|
|| memcmp ((char *) &homebuf, (char *) &cwdbuf, sizeof (struct stat)))
|
|
|
|
if (!inhibit_gdbinit)
|
|
|
|
{
|
1999-11-09 02:23:30 +01:00
|
|
|
catch_command_errors (source_command, gdbinit, 0, RETURN_MASK_ALL);
|
1999-04-16 03:35:26 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; i < ncmd; i++)
|
|
|
|
{
|
1999-11-09 02:23:30 +01:00
|
|
|
#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 */
|
1999-04-16 03:35:26 +02:00
|
|
|
{
|
1999-05-05 16:45:51 +02:00
|
|
|
/* NOTE: I am commenting this out, because it is not clear
|
|
|
|
where this feature is used. It is very old and
|
1999-07-07 22:19:36 +02:00
|
|
|
undocumented. ezannoni: 1999-05-04 */
|
1999-05-05 16:45:51 +02:00
|
|
|
#if 0
|
1999-04-16 03:35:26 +02:00
|
|
|
if (cmdarg[i][0] == '-' && cmdarg[i][1] == '\0')
|
|
|
|
read_command_file (stdin);
|
|
|
|
else
|
1999-05-05 16:45:51 +02:00
|
|
|
#endif
|
1999-04-16 03:35:26 +02:00
|
|
|
source_command (cmdarg[i], !batch);
|
|
|
|
do_cleanups (ALL_CLEANUPS);
|
|
|
|
}
|
1999-11-09 02:23:30 +01:00
|
|
|
#endif
|
|
|
|
catch_command_errors (source_command, cmdarg[i], !batch, RETURN_MASK_ALL);
|
1999-04-16 03:35:26 +02:00
|
|
|
}
|
1999-07-07 22:19:36 +02:00
|
|
|
free ((PTR) cmdarg);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
/* Read in the old history after all the command files have been read. */
|
1999-07-07 22:19:36 +02:00
|
|
|
init_history ();
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
if (batch)
|
|
|
|
{
|
|
|
|
/* We have hit the end of the batch file. */
|
|
|
|
exit (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Do any host- or target-specific hacks. This is used for i960 targets
|
|
|
|
to force the user to set a nindy target and spec its parameters. */
|
|
|
|
|
|
|
|
#ifdef BEFORE_MAIN_LOOP_HOOK
|
|
|
|
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",
|
|
|
|
init_time / 1000000, init_time % 1000000);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (display_space)
|
|
|
|
{
|
|
|
|
#ifdef HAVE_SBRK
|
|
|
|
extern char **environ;
|
|
|
|
char *lim = (char *) sbrk (0);
|
|
|
|
|
|
|
|
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__
|
1999-11-09 02:23:30 +01:00
|
|
|
/* 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: */
|
1999-04-16 03:35:26 +02:00
|
|
|
while (1)
|
|
|
|
{
|
|
|
|
if (!SET_TOP_LEVEL ())
|
|
|
|
{
|
1999-07-07 22:19:36 +02:00
|
|
|
do_cleanups (ALL_CLEANUPS); /* Do complete cleanup */
|
1999-04-16 03:35:26 +02:00
|
|
|
/* 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 ();
|
|
|
|
else
|
|
|
|
command_loop ();
|
1999-07-07 22:19:36 +02:00
|
|
|
quit_command ((char *) 0, instream == stdin);
|
1999-04-16 03:35:26 +02:00
|
|
|
}
|
|
|
|
}
|
1999-11-09 02:23:30 +01:00
|
|
|
/* 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);
|
|
|
|
}
|
1999-04-16 03:35:26 +02:00
|
|
|
#endif
|
1999-11-09 02:23:30 +01:00
|
|
|
/* No exit -- exit is through quit_command. */
|
|
|
|
}
|
1999-04-16 03:35:26 +02:00
|
|
|
|
1999-11-09 02:23:30 +01:00
|
|
|
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;
|
1999-04-16 03:35:26 +02:00
|
|
|
}
|
|
|
|
|
1999-11-09 02:23:30 +01:00
|
|
|
|
1999-04-16 03:35:26 +02:00
|
|
|
/* 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
|
2000-02-02 01:21:19 +01:00
|
|
|
print_gdb_help (struct ui_file *stream)
|
1999-04-16 03:35:26 +02:00
|
|
|
{
|
1999-07-07 22:19:36 +02:00
|
|
|
fputs_unfiltered ("\
|
1999-04-16 03:35:26 +02:00
|
|
|
This is the GNU debugger. Usage:\n\n\
|
|
|
|
gdb [options] [executable-file [core-file or process-id]]\n\n\
|
|
|
|
Options:\n\n\
|
1999-06-14 20:08:47 +02:00
|
|
|
", stream);
|
1999-07-07 22:19:36 +02:00
|
|
|
fputs_unfiltered ("\
|
1999-06-14 20:08:47 +02:00
|
|
|
--[no]async Enable (disable) asynchronous version of CLI\n\
|
1999-04-16 03:35:26 +02:00
|
|
|
", stream);
|
1999-07-07 22:19:36 +02:00
|
|
|
fputs_unfiltered ("\
|
1999-04-16 03:35:26 +02:00
|
|
|
-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);
|
1999-07-07 22:19:36 +02:00
|
|
|
fputs_unfiltered ("\
|
1999-04-16 03:35:26 +02:00
|
|
|
--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\
|
2000-02-03 05:14:45 +01:00
|
|
|
", stream);
|
|
|
|
fputs_unfiltered ("\
|
|
|
|
--interpreter=INTERP\n\
|
|
|
|
Select a specific interpreter / user interface\n\
|
1999-04-16 03:35:26 +02:00
|
|
|
", stream);
|
1999-07-07 22:19:36 +02:00
|
|
|
fputs_unfiltered ("\
|
1999-04-16 03:35:26 +02:00
|
|
|
--mapped Use mapped symbol files if supported on this system.\n\
|
|
|
|
--nw Do not use a window interface.\n\
|
1999-08-09 23:36:23 +02:00
|
|
|
--nx Do not read ", stream);
|
|
|
|
fputs_unfiltered (gdbinit, stream);
|
|
|
|
fputs_unfiltered (" file.\n\
|
1999-04-16 03:35:26 +02:00
|
|
|
--quiet Do not print version number on startup.\n\
|
|
|
|
--readnow Fully read symbol files on first access.\n\
|
|
|
|
", stream);
|
1999-07-07 22:19:36 +02:00
|
|
|
fputs_unfiltered ("\
|
1999-04-16 03:35:26 +02:00
|
|
|
--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)
|
1999-07-07 22:19:36 +02:00
|
|
|
fputs_unfiltered ("\
|
1999-04-16 03:35:26 +02:00
|
|
|
--tui Use a terminal user interface.\n\
|
|
|
|
", stream);
|
|
|
|
#endif
|
1999-07-07 22:19:36 +02:00
|
|
|
fputs_unfiltered ("\
|
1999-04-16 03:35:26 +02:00
|
|
|
--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
|
1999-07-07 22:19:36 +02:00
|
|
|
fputs_unfiltered (ADDITIONAL_OPTION_HELP, stream);
|
1999-04-16 03:35:26 +02:00
|
|
|
#endif
|
1999-07-07 22:19:36 +02:00
|
|
|
fputs_unfiltered ("\n\
|
1999-04-16 03:35:26 +02:00
|
|
|
For more information, type \"help\" from within GDB, or consult the\n\
|
|
|
|
GDB manual (available as on-line info or a printed manual).\n\
|
1999-10-12 06:37:53 +02:00
|
|
|
Report bugs to \"bug-gdb@gnu.org\".\
|
1999-04-16 03:35:26 +02:00
|
|
|
", stream);
|
|
|
|
}
|