/* Top level stuff for GDB, the GNU debugger.
- Copyright 1986-1995, 1999-2000 Free Software Foundation, Inc.
+
+ Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
+ 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008,
+ 2009, 2010, 2011 Free Software Foundation, Inc.
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
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
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. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#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 <sys/types.h>
#include "gdb_string.h"
#include "event-loop.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
+#include "ui-out.h"
-/* If nonzero, display time usage both at startup and for each command. */
+#include "interps.h"
+#include "main.h"
+#include "source.h"
+#include "cli/cli-cmds.h"
+#include "python/python.h"
+#include "objfiles.h"
-int display_time;
+/* 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;
-/* If nonzero, display space usage both at startup and for each command. */
-
-int display_space;
+/* Whether xdb commands will be handled. */
+int xdb_commands = 0;
-/* 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 event_loop_p = 1;
+/* Whether dbx commands will be handled. */
+int dbx_commands = 0;
-/* Whether this is the command line version or not */
-int tui_version = 0;
+/* System root path, used to find libraries etc. */
+char *gdb_sysroot = 0;
-/* Whether xdb commands will be handled */
-int xdb_commands = 0;
+/* GDB datadir, used to store data files. */
+char *gdb_datadir = 0;
-/* Whether dbx commands will be handled */
-int dbx_commands = 0;
+/* If gdb was configured with --with-python=/path,
+ the possibly relocated path to python's lib directory. */
+char *python_libdir = 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;
-/* Used to initialize error() - defined in utils.c */
+/* True if --batch or --batch-silent was seen. */
+int batch_flag = 0;
-extern void error_init (void);
+/* Support for the --batch-silent option. */
+int batch_silent = 0;
-/* Whether to enable writing into executable and core files */
+/* 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;
+/* GDB as it has been invoked from the command line (i.e. argv[0]). */
+static char *gdb_program_name;
+
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. */
+/* 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;
-#ifdef __CYGWIN__
-#include <windows.h> /* for MAX_PATH */
-#include <sys/cygwin.h> /* for cygwin32_conv_to_posix_path */
-#endif
+/* Relocate a file or directory. PROGNAME is the name by which gdb
+ was invoked (i.e., argv[0]). INITIAL is the default value for the
+ file or directory. FLAG is true if the value is relocatable, false
+ otherwise. Returns a newly allocated string; this may return NULL
+ under the same conditions as make_relative_prefix. */
+static char *
+relocate_path (const char *progname, const char *initial, int flag)
+{
+ if (flag)
+ return make_relative_prefix (progname, BINDIR, initial);
+ return xstrdup (initial);
+}
+
+/* Like relocate_path, but specifically checks for a directory.
+ INITIAL is relocated according to the rules of relocate_path. If
+ the result is a directory, it is used; otherwise, INITIAL is used.
+ The chosen directory is then canonicalized using lrealpath. This
+ function always returns a newly-allocated string. */
+static char *
+relocate_directory (const char *progname, const char *initial, int flag)
+{
+ char *dir;
+
+ dir = relocate_path (progname, initial, flag);
+ if (dir)
+ {
+ struct stat s;
+
+ if (stat (dir, &s) != 0 || !S_ISDIR (s.st_mode))
+ {
+ xfree (dir);
+ dir = NULL;
+ }
+ }
+ if (!dir)
+ dir = xstrdup (initial);
+
+ /* Canonicalize the directory. */
+ if (*dir)
+ {
+ char *canon_sysroot = lrealpath (dir);
+
+ if (canon_sysroot)
+ {
+ xfree (dir);
+ dir = canon_sysroot;
+ }
+ }
+
+ return dir;
+}
+
+/* Compute the locations of init files that GDB should source and
+ return them in SYSTEM_GDBINIT, HOME_GDBINIT, LOCAL_GDBINIT. If
+ there is no system gdbinit (resp. home gdbinit and local gdbinit)
+ to be loaded, then SYSTEM_GDBINIT (resp. HOME_GDBINIT and
+ LOCAL_GDBINIT) is set to NULL. */
+static void
+get_init_files (char **system_gdbinit,
+ char **home_gdbinit,
+ char **local_gdbinit)
+{
+ static char *sysgdbinit = NULL;
+ static char *homeinit = NULL;
+ static char *localinit = NULL;
+ static int initialized = 0;
+
+ if (!initialized)
+ {
+ struct stat homebuf, cwdbuf, s;
+ char *homedir, *relocated_sysgdbinit;
+
+ if (SYSTEM_GDBINIT[0])
+ {
+ relocated_sysgdbinit = relocate_path (gdb_program_name,
+ SYSTEM_GDBINIT,
+ SYSTEM_GDBINIT_RELOCATABLE);
+ if (relocated_sysgdbinit && stat (relocated_sysgdbinit, &s) == 0)
+ sysgdbinit = relocated_sysgdbinit;
+ else
+ xfree (relocated_sysgdbinit);
+ }
+
+ homedir = getenv ("HOME");
+
+ /* If the .gdbinit file in the current directory is the same as
+ the $HOME/.gdbinit file, it should not be sourced. homebuf
+ and cwdbuf are used in that purpose. Make sure that the stats
+ 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));
+
+ if (homedir)
+ {
+ homeinit = xstrprintf ("%s/%s", homedir, gdbinit);
+ if (stat (homeinit, &homebuf) != 0)
+ {
+ xfree (homeinit);
+ homeinit = NULL;
+ }
+ }
+
+ if (stat (gdbinit, &cwdbuf) == 0)
+ {
+ if (!homeinit
+ || memcmp ((char *) &homebuf, (char *) &cwdbuf,
+ sizeof (struct stat)))
+ localinit = gdbinit;
+ }
+
+ initialized = 1;
+ }
+
+ *system_gdbinit = sysgdbinit;
+ *home_gdbinit = homeinit;
+ *local_gdbinit = localinit;
+}
/* Call command_loop. If it happens to return, pass that through as a
- non-zero return status. */
+ non-zero return status. */
static int
captured_command_loop (void *data)
{
- if (command_loop_hook == NULL)
- command_loop ();
- else
- command_loop_hook ();
+ 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. Unfortunatly, many FUNC's
+ 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. */
+ 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()
+ error) we try to quit. If the quit is aborted, catch_errors()
which called this catch the signal and restart the command
- loop. */
+ 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;
+ static int set_args = 0;
/* Pointers to various arguments from command line. */
char *symarg = NULL;
char *execarg = NULL;
+ char *pidarg = NULL;
char *corearg = NULL;
+ char *pid_or_core_arg = NULL;
char *cdarg = NULL;
char *ttyarg = NULL;
- /* These are static so that we can take their address in an initializer. */
+ /* These are static so that we can take their address in an
+ initializer. */
static int print_help;
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. */
/* Number of elements used. */
int ndir;
- struct stat homebuf, cwdbuf;
- char *homedir, *homeinit;
-
- register int i;
-
- long time_at_startup = get_run_time ();
+ /* gdb init files. */
+ char *system_gdbinit;
+ char *home_gdbinit;
+ char *local_gdbinit;
- START_PROGRESS (argv[0], 0);
+ int i;
+ int save_auto_load;
+ struct objfile *objfile;
-#ifdef MPW
- /* Do all Mac-specific setup. */
- mac_init ();
-#endif /* MPW */
+ struct cleanup *pre_stat_chain = make_command_stats_cleanup (0);
- /* This needs to happen before the first use of malloc. */
- init_malloc ((PTR) NULL);
+#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);
-#if defined (ALIGN_STACK_ON_STARTUP)
- i = (int) &count & 0x3;
- if (i != 0)
- alloca (4 - i);
+#ifdef HAVE_SBRK
+ lim_at_start = (char *) sbrk (0);
#endif
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));
quit_flag = 0;
line = (char *) xmalloc (linesize);
- line[0] = '\0'; /* Terminate saved (now empty) cmd line */
+ line[0] = '\0'; /* Terminate saved (now empty) cmd line. */
instream = stdin;
- getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
- current_directory = gdb_dirbuf;
-
-#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 */
+ gdb_stdin = stdio_fileopen (stdin);
+ gdb_stdtargerr = gdb_stderr; /* for moment */
+ gdb_stdtargin = gdb_stdin; /* for moment */
+
+ gdb_program_name = xstrdup (argv[0]);
+
+ if (! getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)))
+ /* Don't use *_filtered or warning() (which relies on
+ current_target) until after initialize_all_files(). */
+ fprintf_unfiltered (gdb_stderr,
+ _("%s: warning: error finding "
+ "working directory: %s\n"),
+ argv[0], safe_strerror (errno));
+
+ current_directory = gdb_dirbuf;
+
+ /* Set the sysroot path. */
+ gdb_sysroot = relocate_directory (argv[0], TARGET_SYSTEM_ROOT,
+ TARGET_SYSTEM_ROOT_RELOCATABLE);
+
+ debug_file_directory = relocate_directory (argv[0], DEBUGDIR,
+ DEBUGDIR_RELOCATABLE);
+
+ gdb_datadir = relocate_directory (argv[0], GDB_DATADIR,
+ GDB_DATADIR_RELOCATABLE);
+
+#ifdef WITH_PYTHON_PATH
+ /* For later use in helping Python find itself. */
+ python_libdir = relocate_directory (argv[0],
+ concat (WITH_PYTHON_PATH,
+ SLASH_STRING, "lib", NULL),
+ PYTHON_PATH_RELOCATABLE);
#endif
- /* initialize error() */
- error_init ();
+#ifdef RELOC_SRCDIR
+ add_substitute_path_rule (RELOC_SRCDIR,
+ make_relative_prefix (argv[0], BINDIR,
+ RELOC_SRCDIR));
+#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. */
{
/* 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[] =
{
- {"async", no_argument, &event_loop_p, 1},
- {"noasync", no_argument, &event_loop_p, 0},
-#if defined(TUI)
- {"tui", no_argument, &tui_version, 1},
-#endif
+ {"tui", no_argument, 0, OPT_TUI},
{"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},
+ {"batch-silent", no_argument, 0, 'B'},
+ {"batch", no_argument, &batch_flag, 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. */
+ /* 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},
+ {"annotate", required_argument, 0, OPT_ANNOTATE},
{"help", no_argument, &print_help, 1},
- {"se", required_argument, 0, 10},
+ {"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
+ {"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, 11},
+ {"data-directory", 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, &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},
+ {"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},
-/* Allow machine descriptions to add more options... */
-#ifdef ADDITIONAL_OPTIONS
- ADDITIONAL_OPTIONS
-#endif
+ {"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}
};
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. */
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;
+ set_display_time (1);
+ set_display_space (1);
+ break;
+ case OPT_TUI:
+ /* --tui is equivalent to -i=tui. */
+#ifdef TUI
+ xfree (interpreter_p);
+ interpreter_p = xstrdup (INTERP_TUI);
+#else
+ fprintf_unfiltered (gdb_stderr,
+ _("%s: TUI mode is not supported\n"),
+ argv[0]);
+ exit (1);
+#endif
+ 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. */
+ /* We have probably been invoked from emacs. Disable
+ window interface. */
use_windows = 0;
break;
case 's':
case 'c':
corearg = optarg;
break;
+ case 'p':
+ pidarg = optarg;
+ break;
case 'x':
- cmdarg[ncmd++] = optarg;
+ cmdarg[ncmd].type = CMDARG_FILE;
+ 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;
+ case 'X':
+ cmdarg[ncmd].type = CMDARG_COMMAND;
+ cmdarg[ncmd++].string = optarg;
+ if (ncmd >= cmdsize)
+ {
+ cmdsize *= 2;
+ cmdarg = xrealloc ((char *) cmdarg,
+ cmdsize * sizeof (*cmdarg));
+ }
+ break;
+ case 'B':
+ batch_flag = batch_silent = 1;
+ gdb_stdout = ui_file_new();
+ break;
+ case 'D':
+ xfree (gdb_datadir);
+ gdb_datadir = xstrdup (optarg);
+ break;
+#ifdef GDBTK
+ 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 */
+ case 'i':
+ xfree (interpreter_p);
+ interpreter_p = xstrdup (optarg);
+ break;
case 'd':
dirarg[ndir++] = optarg;
if (ndir >= dirsize)
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;
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);
+ fprintf_unfiltered (gdb_stderr,
+ _("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",
+ _("Use `%s --help' for a "
+ "complete list of options.\n"),
argv[0]);
exit (1);
}
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;
-#endif
+ if (batch_flag)
+ 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]);
+
+ /* Now that gdb_init has created the initial inferior, we're in
+ position to set args for that inferior. */
+ 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. */
- /* OK, that's all the options. The other arguments are filenames. */
- count = 0;
- for (; optind < argc; optind++)
- switch (++count)
+ /* The first argument, if specified, is the name of the
+ executable. */
+ if (optind < argc)
{
- 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;
+ optind++;
}
- if (batch)
- quiet = 1;
- }
-#if defined(TUI)
- /* Should this be moved to tui-top.c:_initialize_tui()? */
- if (tui_version)
- init_ui_hook = tuiInit;
-#endif
+ /* If the user hasn't already specified a PID or the name of a
+ core file, then a second optional argument is allowed. If
+ present, this argument should be interpreted as either a
+ PID or a core file, whichever works. */
+ if (pidarg == NULL && corearg == NULL && optind < argc)
+ {
+ pid_or_core_arg = argv[optind];
+ optind++;
+ }
- /* Initialize all files. Give the interpreter a chance to take
- control of the console via the init_ui_hook()) */
- gdb_init (argv[0]);
+ /* Any argument left on the command line is unexpected and
+ will be ignored. Inform the user. */
+ if (optind < argc)
+ fprintf_unfiltered (gdb_stderr,
+ _("Excess command line "
+ "arguments ignored. (%s%s)\n"),
+ argv[optind],
+ (optind == argc - 1) ? "" : " ...");
+ }
+
+ /* Lookup gdbinit files. Note that the gdbinit file name may be
+ overriden during file initialization, so get_init_files should be
+ called after gdb_init. */
+ get_init_files (&system_gdbinit, &home_gdbinit, &local_gdbinit);
/* 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);
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 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 */
+ printf_filtered ("\n");
+ 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: ";
+ /* Install the default UI. All the interpreters should have had a
+ look at things by now. Initialize the default interpreter. */
- /* 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__
{
- char *tmp = getenv ("HOME");
+ /* Find it. */
+ struct interp *interp = interp_lookup (interpreter_p);
- if (tmp != NULL)
+ if (interp == NULL)
+ error (_("Interpreter `%s' unrecognized"), interpreter_p);
+ /* Install it. */
+ if (!interp_set (interp, 1))
{
- homedir = (char *) alloca (MAX_PATH + 1);
- cygwin32_conv_to_posix_path (tmp, homedir);
+ fprintf_unfiltered (gdb_stderr,
+ "Interpreter `%s' failed to initialize.\n",
+ interpreter_p);
+ exit (1);
}
- else
- homedir = NULL;
}
-#else
- homedir = getenv ("HOME");
-#endif
- if (homedir)
+
+ /* 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))
{
- homeinit = (char *) alloca (strlen (homedir) +
- strlen (gdbinit) + 10);
- strcpy (homeinit, homedir);
- strcat (homeinit, "/");
- strcat (homeinit, gdbinit);
+ /* 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 ("");
+ printf_filtered ("\n");
+ gdb_flush (gdb_stdout); /* Force to screen during slow
+ operations. */
+ }
- if (!inhibit_gdbinit)
- {
- catch_command_errors (source_command, homeinit, 0, RETURN_MASK_ALL);
- }
+ /* Set off error and warning messages with a blank line. */
+ error_pre_print = "\n";
+ quit_pre_print = error_pre_print;
+ warning_pre_print = _("\nwarning: ");
- /* 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). */
+ /* Read and execute the system-wide 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. */
+ if (system_gdbinit && !inhibit_gdbinit)
+ catch_command_errors (source_script, system_gdbinit, 0, RETURN_MASK_ALL);
- memset (&homebuf, 0, sizeof (struct stat));
- memset (&cwdbuf, 0, sizeof (struct stat));
+ /* 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. */
- stat (homeinit, &homebuf);
- stat (gdbinit, &cwdbuf); /* We'll only need this if
- homedir was set. */
- }
+ if (home_gdbinit && !inhibit_gdbinit)
+ catch_command_errors (source_script, home_gdbinit, 0, RETURN_MASK_ALL);
/* Now perform all the actions indicated by the arguments. */
if (cdarg != NULL)
}
for (i = 0; i < ndir; i++)
- catch_command_errors (directory_command, dirarg[i], 0, RETURN_MASK_ALL);
- free ((PTR) dirarg);
+ catch_command_errors (directory_switch, dirarg[i], 0, RETURN_MASK_ALL);
+ xfree (dirarg);
+
+ /* Skip auto-loading section-specified scripts until we've sourced
+ local_gdbinit (which is often used to augment the source search
+ path). */
+ save_auto_load = gdbpy_global_auto_load;
+ gdbpy_global_auto_load = 0;
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.
- 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);
+ catch_command_errors returns non-zero on success! */
+ if (catch_command_errors (exec_file_attach, execarg,
+ !batch_flag, RETURN_MASK_ALL))
+ catch_command_errors (symbol_file_add_main, symarg,
+ !batch_flag, RETURN_MASK_ALL);
}
else
{
if (execarg != NULL)
- catch_command_errors (exec_file_command, execarg, !batch, RETURN_MASK_ALL);
+ catch_command_errors (exec_file_attach, execarg,
+ !batch_flag, RETURN_MASK_ALL);
if (symarg != NULL)
- catch_command_errors (symbol_file_command, symarg, 0, RETURN_MASK_ALL);
+ catch_command_errors (symbol_file_add_main, symarg,
+ !batch_flag, RETURN_MASK_ALL);
}
- /* 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 && pidarg)
+ error (_("Can't attach to process and specify "
+ "a core file at the same time."));
if (corearg != NULL)
+ catch_command_errors (core_file_command, corearg,
+ !batch_flag, RETURN_MASK_ALL);
+ else if (pidarg != NULL)
+ catch_command_errors (attach_command, pidarg,
+ !batch_flag, RETURN_MASK_ALL);
+ else if (pid_or_core_arg)
{
- if (catch_command_errors (core_file_command, corearg, !batch, RETURN_MASK_ALL) == 0)
+ /* The user specified 'gdb program pid' or gdb program core'.
+ If pid_or_core_arg's first character is a digit, try attach
+ first and then corefile. Otherwise try just corefile. */
+
+ if (isdigit (pid_or_core_arg[0]))
{
- /* See if the core file is really a PID. */
- if (isdigit (corearg[0]))
- catch_command_errors (attach_command, corearg, !batch, RETURN_MASK_ALL);
+ if (catch_command_errors (attach_command, pid_or_core_arg,
+ !batch_flag, RETURN_MASK_ALL) == 0)
+ catch_command_errors (core_file_command, pid_or_core_arg,
+ !batch_flag, RETURN_MASK_ALL);
}
+ else /* Can't be a pid, better be a corefile. */
+ catch_command_errors (core_file_command, pid_or_core_arg,
+ !batch_flag, RETURN_MASK_ALL);
}
if (ttyarg != NULL)
- catch_command_errors (tty_command, ttyarg, !batch, RETURN_MASK_ALL);
-
-#ifdef ADDITIONAL_OPTION_HANDLER
- ADDITIONAL_OPTION_HANDLER;
-#endif
+ set_inferior_io_terminal (ttyarg);
- /* Error messages should no longer be distinguished with extra output. */
+ /* 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 (local_gdbinit && !inhibit_gdbinit)
+ catch_command_errors (source_script, local_gdbinit, 0, RETURN_MASK_ALL);
- if (!homedir
- || memcmp ((char *) &homebuf, (char *) &cwdbuf, sizeof (struct stat)))
- if (!inhibit_gdbinit)
- {
- catch_command_errors (source_command, gdbinit, 0, RETURN_MASK_ALL);
- }
+ /* Now that all .gdbinit's have been read and all -d options have been
+ processed, we can read any scripts mentioned in SYMARG.
+ We wait until now because it is common to add to the source search
+ path in local_gdbinit. */
+ gdbpy_global_auto_load = save_auto_load;
+ ALL_OBJFILES (objfile)
+ load_auto_scripts_for_objfile (objfile);
for (i = 0; i < ncmd; i++)
{
-#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
- catch_command_errors (source_command, cmdarg[i], !batch, RETURN_MASK_ALL);
+ if (cmdarg[i].type == CMDARG_FILE)
+ catch_command_errors (source_script, cmdarg[i].string,
+ !batch_flag, RETURN_MASK_ALL);
+ else /* cmdarg[i].type == CMDARG_COMMAND */
+ catch_command_errors (execute_command, cmdarg[i].string,
+ !batch_flag, RETURN_MASK_ALL);
}
- free ((PTR) cmdarg);
+ xfree (cmdarg);
- /* Read in the old history after all the command files have been read. */
+ /* Read in the old history after all the command files have been
+ read. */
init_history ();
- if (batch)
+ if (batch_flag)
{
/* 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
- 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. */
+ do_cleanups (pre_stat_chain);
- 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__
- /* 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 */
- /* 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 ();
- quit_command ((char *) 0, instream == stdin);
- }
- }
- /* 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. */
+ 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)
+gdb_main (struct captured_main_args *args)
{
- struct captured_main_args args;
- args.argc = argc;
- args.argv = argv;
- catch_errors (captured_main, &args, "", RETURN_MASK_ALL);
- return 0;
+ 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;
}
static void
print_gdb_help (struct ui_file *stream)
{
- fputs_unfiltered ("\
+ char *system_gdbinit;
+ char *home_gdbinit;
+ char *local_gdbinit;
+
+ get_init_files (&system_gdbinit, &home_gdbinit, &local_gdbinit);
+
+ 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 ("\
- --[no]async Enable (disable) asynchronous version of CLI\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 ", stream);
+ --nx Do not read "), stream);
fputs_unfiltered (gdbinit, stream);
- fputs_unfiltered (" file.\n\
+ 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\
-", stream);
+"), stream);
#if defined(TUI)
- fputs_unfiltered ("\
+ fputs_unfiltered (_("\
--tui Use a terminal user interface.\n\
-", stream);
+"), 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);
-#endif
- fputs_unfiltered ("\n\
+"), stream);
+ fputs_unfiltered (_("\n\
+At startup, GDB reads the following init files and executes their commands:\n\
+"), stream);
+ if (system_gdbinit)
+ fprintf_unfiltered (stream, _("\
+ * system-wide init file: %s\n\
+"), system_gdbinit);
+ if (home_gdbinit)
+ fprintf_unfiltered (stream, _("\
+ * user-specific init file: %s\n\
+"), home_gdbinit);
+ if (local_gdbinit)
+ fprintf_unfiltered (stream, _("\
+ * local init file: ./%s\n\
+"), local_gdbinit);
+ 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@gnu.org\".\
-", stream);
+"), stream);
+ if (REPORT_BUGS_TO[0] && stream == gdb_stdout)
+ fprintf_unfiltered (stream, _("\
+Report bugs to \"%s\".\n\
+"), REPORT_BUGS_TO);
}
projects / deliverable / binutils-gdb.git / blobdiff