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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "defs.h"
-#include <setjmp.h>
#include "top.h"
#include "target.h"
#include "inferior.h"
#include "call-cmds.h"
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
#include "getopt.h"
#include <ctype.h>
#include "gdb_string.h"
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#ifndef NO_SYS_FILE
-#include <sys/file.h>
-#endif
-
-/* Temporary variable for SET_TOP_LEVEL. */
-
-static int top_level_val;
-
-/* Do a setjmp on error_return and quit_return. catch_errors is
- generally a cleaner way to do this, but main() would look pretty
- ugly if it had to use catch_errors each time. */
-
-#define SET_TOP_LEVEL() \
- (((top_level_val = setjmp (error_return)) \
- ? (PTR) 0 : (PTR) memcpy (quit_return, error_return, sizeof (jmp_buf))) \
- , top_level_val)
/* If nonzero, display time usage both at startup and for each command. */
int display_space;
-extern void gdb_init PARAMS ((void));
+/* Whether this is the async version or not. The async version is
+invoked on the command line with the -nw --async options. In this
+version, the usual command_loop is substituted by and event loop which
+processes UI events asynchronously. */
+int async = 0;
+
+/* Whether this is the command line version or not */
+int tui_version = 0;
+
+/* Whether xdb commands will be handled */
+int xdb_commands = 0;
+
+/* Whether dbx commands will be handled */
+int dbx_commands = 0;
+
+GDB_FILE *gdb_stdout;
+GDB_FILE *gdb_stderr;
+
+/* Whether to enable writing into executable and core files */
+extern int write_files;
+
+static void print_gdb_help PARAMS ((GDB_FILE *));
+extern void gdb_init PARAMS ((char *));
+
+/* 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
int
main (argc, argv)
long time_at_startup = get_run_time ();
+ int gdb_file_size;
+
START_PROGRESS (argv[0], 0);
#ifdef MPW
getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
current_directory = gdb_dirbuf;
+ gdb_file_size = sizeof(GDB_FILE);
+
+ gdb_stdout = (GDB_FILE *)xmalloc (gdb_file_size);
+ gdb_stdout->ts_streamtype = afile;
+ gdb_stdout->ts_filestream = stdout;
+ gdb_stdout->ts_strbuf = NULL;
+ gdb_stdout->ts_buflen = 0;
+
+ gdb_stderr = (GDB_FILE *)xmalloc (gdb_file_size);
+ gdb_stderr->ts_streamtype = afile;
+ gdb_stderr->ts_filestream = stderr;
+ gdb_stderr->ts_strbuf = NULL;
+ gdb_stderr->ts_buflen = 0;
+
/* Parse arguments and options. */
-#ifndef WIN32
{
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). */
static struct option long_options[] =
- {
+ {
+ {"async", no_argument, &async, 1},
+#if defined(TUI)
+ {"tui", no_argument, &tui_version, 1},
+#endif
+ {"xdb", no_argument, &xdb_commands, 1},
+ {"dbx", no_argument, &dbx_commands, 1},
{"readnow", no_argument, &readnow_symbol_files, 1},
{"r", no_argument, &readnow_symbol_files, 1},
{"mapped", no_argument, &mapped_symbol_files, 1},
{"w", no_argument, &use_windows, 1},
{"windows", no_argument, &use_windows, 1},
{"statistics", no_argument, 0, 13},
+ {"write", no_argument, &write_files, 1},
/* Allow machine descriptions to add more options... */
#ifdef ADDITIONAL_OPTIONS
ADDITIONAL_OPTIONS
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
+ current_target) until after initialize_all_files(). */
+
+ fprintf_unfiltered
+ (gdb_stderr,
+ "warning: could not set timeout limit to `%s'.\n", optarg);
+ else
+ remote_timeout = i;
+ }
break;
#ifdef ADDITIONAL_OPTION_CASES
}
}
+ /* 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;
+#endif
+
/* OK, that's all the options. The other arguments are filenames. */
count = 0;
for (; optind < argc; optind++)
quiet = 1;
}
+ /* Get ready to invoke the event loop instead of the
+ command_loop. See event-loop.h for more details.*/
+ if (async)
+ async_hook = setup_event_loop;
+#if defined(TUI)
+ if (tui_version)
+ init_ui_hook = tuiInit;
#endif
- gdb_init ();
+ gdb_init (argv[0]);
/* Do these (and anything which might call wrap_here or *_filtered)
after initialize_all_files. */
if (print_help)
{
- /* --version is intentionally not documented here, because we
- are printing the version here, and the help is long enough
- already. */
-
- print_gdb_version (gdb_stdout);
- /* Make sure the output gets printed. */
- wrap_here ("");
- printf_filtered ("\n");
-
- /* But don't use *_filtered here. We don't want to prompt for continue
- no matter how small the screen or how much we're going to print. */
- fputs_unfiltered ("\
-This is the GNU debugger. Usage:\n\
- gdb [options] [executable-file [core-file or process-id]]\n\
-Options:\n\
- --help Print this message.\n\
- --quiet Do not print version number on startup.\n\
- --fullname Output information used by emacs-GDB interface.\n\
- --epoch Output information used by epoch emacs-GDB interface.\n\
-", gdb_stdout);
- fputs_unfiltered ("\
- --batch Exit after processing options.\n\
- --nx Do not read .gdbinit file.\n\
- --tty=TTY Use TTY for input/output by the program being debugged.\n\
- --cd=DIR Change current directory to DIR.\n\
- --directory=DIR Search for source files in DIR.\n\
-", gdb_stdout);
- fputs_unfiltered ("\
- --command=FILE Execute GDB commands from FILE.\n\
- --symbols=SYMFILE Read symbols from SYMFILE.\n\
- --exec=EXECFILE Use EXECFILE as the executable.\n\
- --se=FILE Use FILE as symbol file and executable file.\n\
-", gdb_stdout);
- fputs_unfiltered ("\
- --core=COREFILE Analyze the core dump COREFILE.\n\
- -b BAUDRATE Set serial port baud rate used for remote debugging.\n\
- --mapped Use mapped symbol files if supported on this system.\n\
- --readnow Fully read symbol files on first access.\n\
- --nw Do not use a window interface.\n\
-", gdb_stdout);
-#ifdef ADDITIONAL_OPTION_HELP
- fputs_unfiltered (ADDITIONAL_OPTION_HELP, gdb_stdout);
-#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", gdb_stdout);
+ 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
to read a symbol file (possibly slowly). */
- print_gnu_advertisement ();
print_gdb_version (gdb_stdout);
if (symarg)
printf_filtered ("..");
*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. */
- homedir = getenv ("HOME");
+#ifdef __CYGWIN32__
+ {
+ char * tmp = getenv ("HOME");
+
+ if (tmp != NULL)
+ {
+ homedir = (char *) alloca (MAX_PATH+1);
+ cygwin32_conv_to_posix_path (tmp, homedir);
+ }
+ else
+ homedir = NULL;
+ }
+#else
+ homedir = getenv ("HOME");
+#endif
if (homedir)
{
- homeinit = (char *) alloca (strlen (getenv ("HOME")) +
+ homeinit = (char *) alloca (strlen (homedir) +
strlen (gdbinit) + 10);
- strcpy (homeinit, getenv ("HOME"));
+ strcpy (homeinit, homedir);
strcat (homeinit, "/");
strcat (homeinit, gdbinit);
- if (!inhibit_gdbinit && access (homeinit, R_OK) == 0)
+
+ if (!inhibit_gdbinit)
{
if (!SET_TOP_LEVEL ())
source_command (homeinit, 0);
warning_pre_print = "\nwarning: ";
if (corearg != NULL)
- if (!SET_TOP_LEVEL ())
- core_file_command (corearg, !batch);
- else if (isdigit (corearg[0]) && !SET_TOP_LEVEL ())
- attach_command (corearg, !batch);
+ {
+ if (!SET_TOP_LEVEL ())
+ core_file_command (corearg, !batch);
+ else if (isdigit (corearg[0]) && !SET_TOP_LEVEL ())
+ attach_command (corearg, !batch);
+ }
do_cleanups (ALL_CLEANUPS);
if (ttyarg != NULL)
if (!homedir
|| memcmp ((char *) &homebuf, (char *) &cwdbuf, sizeof (struct stat)))
- if (!inhibit_gdbinit && access (gdbinit, R_OK) == 0)
+ if (!inhibit_gdbinit)
{
if (!SET_TOP_LEVEL ())
source_command (gdbinit, 0);
{
if (!SET_TOP_LEVEL ())
{
+ /* NOTE: I am commenting this out, because it is not clear
+ where this feature is used. It is very old and
+ undocumented. ezannoni: 5/4/99*/
+#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);
}
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
}
+ /* Call the event loop, if gdb was invoked with the --async
+ option. Control will never get back to this file, if the event
+ loop is invoked. See the files event-*.[ch] for details. */
+ if (async_hook)
+ async_hook();
+
/* The default command loop.
The WIN32 Gui calls this main to set up gdb's state, and
has its own command loop. */
-#if !defined (WIN32)
+#if !defined _WIN32 || defined __GNUC__
while (1)
{
if (!SET_TOP_LEVEL ())
#endif
}
-\f
-void
-init_proc ()
+
+/* Don't use *_filtered for printing help. We don't want to prompt
+ for continue no matter how small the screen or how much we're going
+ to print. */
+
+static void
+print_gdb_help (stream)
+ GDB_FILE *stream;
{
+ fputs_unfiltered ("\
+This is the GNU debugger. Usage:\n\n\
+ gdb [options] [executable-file [core-file or process-id]]\n\n\
+Options:\n\n\
+", stream);
+ fputs_unfiltered ("\
+ -b BAUDRATE Set serial port baud rate used for remote debugging.\n\
+ --batch Exit after processing options.\n\
+ --cd=DIR Change current directory to DIR.\n\
+ --command=FILE Execute GDB commands from FILE.\n\
+ --core=COREFILE Analyze the core dump COREFILE.\n\
+", stream);
+ fputs_unfiltered ("\
+ --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\
+ --nw Do not use a window interface.\n\
+ --nx Do not read .gdbinit file.\n\
+ --quiet Do not print version number on startup.\n\
+ --readnow Fully read symbol files on first access.\n\
+", 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);
+#if defined(TUI)
+ fputs_unfiltered ("\
+ --tui Use a terminal user interface.\n\
+", stream);
+#endif
+ 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\
+For more information, type \"help\" from within GDB, or consult the\n\
+GDB manual (available as on-line info or a printed manual).\n\
+Report bugs to \"bug-gdb@prep.ai.mit.edu\".\
+", stream);
}
-int
-proc_wait (pid, status)
- int pid;
- int *status;
+\f
+void
+init_proc ()
{
-#ifndef __GO32__
- return wait (status);
-#endif
}
void
{
}
+/* All I/O sent to the *_filtered and *_unfiltered functions eventually ends up
+ here. The fputs_unfiltered_hook is primarily used by GUIs to collect all
+ output and send it to the GUI, instead of the controlling terminal. Only
+ output to gdb_stdout and gdb_stderr are sent to the hook. Everything else
+ is sent on to fputs to allow file I/O to be handled appropriately. */
+
void
fputs_unfiltered (linebuffer, stream)
const char *linebuffer;
- FILE *stream;
+ GDB_FILE *stream;
{
- if (fputs_unfiltered_hook)
+#if defined(TUI)
+ extern int tui_owns_terminal;
+#endif
+ /* If anything (GUI, TUI) wants to capture GDB output, this is
+ * the place... the way to do it is to set up
+ * fputs_unfiltered_hook.
+ * Our TUI ("gdb -tui") used to hook output, but in the
+ * new (XDB style) scheme, we do not do that anymore... - RT
+ */
+ if (fputs_unfiltered_hook
+ && (stream == gdb_stdout
+ || stream == gdb_stderr))
+ fputs_unfiltered_hook (linebuffer, stream);
+ else
{
- /* FIXME: I think we should only be doing this for stdout or stderr.
- Either that or we should be passing stream to the hook so it can
- deal with it. If that is cleaned up, this function can go back
- into utils.c and the fputs_unfiltered_hook can replace the current
- ability to avoid this function by not linking with main.c. */
- fputs_unfiltered_hook (linebuffer, stream);
- return;
- }
+#if defined(TUI)
+ if (tui_version && tui_owns_terminal) {
+ /* If we get here somehow while updating the TUI (from
+ * within a tuiDo(), then we need to temporarily
+ * set up the terminal for GDB output. This probably just
+ * happens on error output.
+ */
+
+ if (stream->ts_streamtype == astring) {
+ gdb_file_adjust_strbuf(strlen(linebuffer), stream);
+ strcat(stream->ts_strbuf, linebuffer);
+ } else {
+ tuiTermUnsetup(0, (tui_version) ? cmdWin->detail.commandInfo.curch : 0);
+ fputs (linebuffer, stream->ts_filestream);
+ tuiTermSetup(0);
+ if (linebuffer[strlen(linebuffer) - 1] == '\n')
+ tuiClearCommandCharCount();
+ else
+ tuiIncrCommandCharCountBy(strlen(linebuffer));
+ }
+ } else {
+ /* The normal case - just do a fputs() */
+ if (stream->ts_streamtype == astring) {
+ gdb_file_adjust_strbuf(strlen(linebuffer), stream);
+ strcat(stream->ts_strbuf, linebuffer);
+ } else fputs (linebuffer, stream->ts_filestream);
+ }
+
- fputs (linebuffer, stream);
+#else
+ if (stream->ts_streamtype == astring) {
+ gdb_file_adjust_strbuf(strlen(linebuffer), stream);
+ strcat(stream->ts_strbuf, linebuffer);
+ } else fputs (linebuffer, stream->ts_filestream);
+#endif
+ }
}
projects / deliverable / binutils-gdb.git / blobdiff