/* Top level stuff for GDB, the GNU debugger.
- Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
- 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
+
+ Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
+ 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007
Free Software Foundation, Inc.
This file is part of GDB.
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. */
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
#include "defs.h"
#include "top.h"
#include "symfile.h"
#include "gdbcore.h"
+#include "exceptions.h"
#include "getopt.h"
#include <sys/types.h>
#include "event-loop.h"
#include "ui-out.h"
+#include "interps.h"
#include "main.h"
/* If nonzero, display time usage both at startup and for each command. */
int display_space;
-/* Whether this is the async version or not. The async version is
- invoked on the command line with the -nw --async options. In this
- version, the usual command_loop is substituted by and event loop which
- processes UI events asynchronously. */
-int event_loop_p = 1;
-
-/* Has an interpreter been specified and if so, which. */
+/* 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;
-/* Whether this is the command line version or not */
-int tui_version = 0;
-
/* Whether xdb commands will be handled */
int xdb_commands = 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 */
+/* Support for the --batch-silent option. */
+int batch_silent = 0;
-extern void error_init (void);
+/* 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 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
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. */
int ndir;
struct stat homebuf, cwdbuf;
- char *homedir, *homeinit;
+ char *homedir;
- register int i;
+ int i;
long time_at_startup = get_run_time ();
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
- START_PROGRESS (argv[0], 0);
-
-#ifdef MPW
- /* Do all Mac-specific setup. */
- mac_init ();
-#endif /* MPW */
-
- /* This needs to happen before the first use of malloc. */
- init_malloc (NULL);
+#ifdef HAVE_SBRK
+ lim_at_start = (char *) sbrk (0);
+#endif
#if defined (ALIGN_STACK_ON_STARTUP)
i = (int) &count & 0x3;
#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));
gdb_stderr = stdio_fileopen (stderr);
gdb_stdlog = gdb_stderr; /* for moment */
gdb_stdtarg = gdb_stderr; /* for moment */
-
- /* initialize error() */
- error_init ();
+ 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
if (res == 0)
{
xfree (gdb_sysroot);
- gdb_sysroot = TARGET_SYSTEM_ROOT;
+ gdb_sysroot = xstrdup (TARGET_SYSTEM_ROOT);
}
}
else
- gdb_sysroot = TARGET_SYSTEM_ROOT;
+ gdb_sysroot = xstrdup (TARGET_SYSTEM_ROOT);
#else
-#if defined (TARGET_SYSTEM_ROOT)
- gdb_sysroot = TARGET_SYSTEM_ROOT;
-#else
- gdb_sysroot = "";
+ gdb_sysroot = xstrdup (TARGET_SYSTEM_ROOT);
#endif
+
+ /* Canonicalize the sysroot path. */
+ if (*gdb_sysroot)
+ {
+ char *canon_sysroot = lrealpath (gdb_sysroot);
+ if (canon_sysroot)
+ {
+ xfree (gdb_sysroot);
+ gdb_sysroot = canon_sysroot;
+ }
+ }
+
+#ifdef DEBUGDIR_RELOCATABLE
+ debug_file_directory = make_relative_prefix (argv[0], BINDIR, DEBUGDIR);
+ if (debug_file_directory)
+ {
+ struct stat s;
+ int res = 0;
+
+ if (stat (debug_file_directory, &s) == 0)
+ if (S_ISDIR (s.st_mode))
+ res = 1;
+
+ if (res == 0)
+ {
+ xfree (debug_file_directory);
+ debug_file_directory = xstrdup (DEBUGDIR);
+ }
+ }
+ else
+ debug_file_directory = xstrdup (DEBUGDIR);
+#else
+ debug_file_directory = xstrdup (DEBUGDIR);
#endif
+ /* Canonicalize the debugfile path. */
+ if (*debug_file_directory)
+ {
+ char *canon_debug = lrealpath (debug_file_directory);
+ if (canon_debug)
+ {
+ xfree (debug_file_directory);
+ debug_file_directory = canon_debug;
+ }
+ }
+
+ /* 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[] =
{
- {"async", no_argument, &event_loop_p, 1},
- {"noasync", no_argument, &event_loop_p, 0},
#if defined(TUI)
- {"tui", no_argument, &tui_version, 1},
+ {"tui", no_argument, 0, OPT_TUI},
#endif
{"xdb", no_argument, &xdb_commands, 1},
{"dbx", no_argument, &dbx_commands, 1},
{"readnow", no_argument, &readnow_symbol_files, 1},
{"r", no_argument, &readnow_symbol_files, 1},
- {"mapped", no_argument, &mapped_symbol_files, 1},
- {"m", no_argument, &mapped_symbol_files, 1},
{"quiet", no_argument, &quiet, 1},
{"q", no_argument, &quiet, 1},
{"silent", no_argument, &quiet, 1},
{"nx", no_argument, &inhibit_gdbinit, 1},
{"n", no_argument, &inhibit_gdbinit, 1},
+ {"batch-silent", no_argument, 0, 'B'},
{"batch", no_argument, &batch, 1},
{"epoch", no_argument, &epoch_interface, 1},
{"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'},
{"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'},
{"i", required_argument, 0, 'i'},
{"directory", required_argument, 0, 'd'},
{"d", required_argument, 0, 'd'},
- {"cd", required_argument, 0, 11},
+ {"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},
{"args", no_argument, &set_args, 1},
-/* Allow machine descriptions to add more options... */
-#ifdef ADDITIONAL_OPTIONS
- ADDITIONAL_OPTIONS
-#endif
+ {"l", required_argument, 0, 'l'},
+ {"return-child-result", no_argument, &return_child_result, 1},
{0, no_argument, 0, 0}
};
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. */
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;
+ case 'B':
+ batch = batch_silent = 1;
+ gdb_stdout = ui_file_new();
+ break;
#ifdef GDBTK
case 'z':
{
}
#endif /* GDBTK */
case 'i':
- interpreter_p = optarg;
+ xfree (interpreter_p);
+ interpreter_p = xstrdup (optarg);
break;
case 'd':
dirarg[ndir++] = optarg;
}
break;
-#ifdef ADDITIONAL_OPTION_CASES
- ADDITIONAL_OPTION_CASES
-#endif
case '?':
fprintf_unfiltered (gdb_stderr,
_("Use `%s --help' for a complete list of options.\n"),
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 (set_args)
{
/* The remaining options are the command-line options for the
}
/* Initialize all files. Give the interpreter a chance to take
- control of the console via the init_ui_hook()) */
+ 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);
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). */
if (symarg)
printf_filtered ("..");
wrap_here ("");
+ 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... */
+ /* 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). */
+ print_gdb_version (gdb_stdout);
+ if (symarg)
+ printf_filtered ("..");
+ wrap_here ("");
+ printf_filtered ("\n");
+ gdb_flush (gdb_stdout); /* Force to screen during slow operations */
+ }
+
+ /* Set off error and warning messages with a blank line. */
+ error_pre_print = "\n";
+ quit_pre_print = error_pre_print;
warning_pre_print = _("\nwarning: ");
/* Read and execute $HOME/.gdbinit file, if it exists. This is done
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)
{
- catch_command_errors (source_command, homeinit, 0, RETURN_MASK_ALL);
+ catch_command_errors (source_script, homeinit, 0, RETURN_MASK_ALL);
}
/* Do stats; no need to do them elsewhere since we'll only
stat (homeinit, &homebuf);
stat (gdbinit, &cwdbuf); /* We'll only need this if
homedir was set. */
+ xfree (homeinit);
}
/* Now perform all the actions indicated by the arguments. */
}
for (i = 0; i < ndir; i++)
- catch_command_errors (directory_command, dirarg[i], 0, RETURN_MASK_ALL);
+ catch_command_errors (directory_switch, 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.
catch_command_errors (symbol_file_add_main, symarg, 0, 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 != NULL)
{
/* corearg may be either a corefile or a pid.
if (ttyarg != NULL)
catch_command_errors (tty_command, ttyarg, !batch, RETURN_MASK_ALL);
-#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;
|| memcmp ((char *) &homebuf, (char *) &cwdbuf, sizeof (struct stat)))
if (!inhibit_gdbinit)
{
- catch_command_errors (source_command, gdbinit, 0, RETURN_MASK_ALL);
+ catch_command_errors (source_script, gdbinit, 0, RETURN_MASK_ALL);
}
for (i = 0; i < ncmd; i++)
read_command_file (stdin);
else
#endif
- source_command (cmdarg[i], !batch);
+ source_script (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, RETURN_MASK_ALL);
+ else /* cmdarg[i].type == CMDARG_COMMAND */
+ catch_command_errors (execute_command, cmdarg[i].string,
+ !batch, RETURN_MASK_ALL);
}
xfree (cmdarg);
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
BEFORE_MAIN_LOOP_HOOK;
#endif
- END_PROGRESS (argv[0]);
-
/* Show time and/or space usage. */
if (display_time)
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 ();
+ /* 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 ();
+ deprecated_command_loop ();
quit_command ((char *) 0, instream == stdin);
}
}
{
use_windows = args->use_windows;
catch_errors (captured_main, args, "", RETURN_MASK_ALL);
- return 0;
+ /* 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;
}
"), stream);
fputs_unfiltered (_("\
--args Arguments after executable-file are passed to inferior\n\
-"), stream);
- fputs_unfiltered (_("\
- --[no]async Enable (disable) asynchronous version of CLI\n\
"), stream);
fputs_unfiltered (_("\
-b BAUDRATE Set serial port baud rate used for remote debugging.\n\
--batch Exit after processing options.\n\
+ --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\
--pid=PID Attach to running process PID.\n\
"), stream);
Select a specific interpreter / user interface\n\
"), stream);
fputs_unfiltered (_("\
- --mapped Use mapped symbol files if supported on this system.\n\
+ -l TIMEOUT Set timeout in seconds for remote debugging.\n\
--nw Do not use a window interface.\n\
--nx Do not read "), stream);
fputs_unfiltered (gdbinit, stream);
--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\
For more information, type \"help\" from within GDB, or consult the\n\
GDB manual (available as on-line info or a printed manual).\n\