/* Top level stuff for GDB, the GNU debugger.
- Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995
+ Copyright 1986, 87, 88, 89, 90, 91, 92, 93, 94, 95, 1999
Free Software Foundation, Inc.
-This file is part of GDB.
+ This file is part of GDB.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
#include "defs.h"
-#include <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"
-
-/* Temporary variable for SET_TOP_LEVEL. */
-
-static int top_level_val;
-
-/* Do a setjmp on error_return and quit_return. catch_errors is
- generally a cleaner way to do this, but main() would look pretty
- ugly if it had to use catch_errors each time. */
-
-#define SET_TOP_LEVEL() \
- (((top_level_val = SIGSETJMP (error_return)) \
- ? (PTR) 0 : (PTR) memcpy (quit_return, error_return, sizeof (SIGJMP_BUF))) \
- , top_level_val)
+#include "event-loop.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 async_p = 1;
+
+/* 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;
+GDB_FILE *gdb_stdlog;
+GDB_FILE *gdb_stdtarg;
+
+/* 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 */
+#include <windows.h> /* for MAX_PATH */
+#include <sys/cygwin.h> /* for cygwin32_conv_to_posix_path */
#endif
int
int dirsize;
/* Number of elements used. */
int ndir;
-
+
struct stat homebuf, cwdbuf;
char *homedir, *homeinit;
long time_at_startup = get_run_time ();
+ int gdb_file_size;
+
START_PROGRESS (argv[0], 0);
#ifdef MPW
#endif
/* If error() is called from initialization code, just exit */
- if (SET_TOP_LEVEL ()) {
- exit(1);
- }
+ if (SET_TOP_LEVEL ())
+ {
+ exit (1);
+ }
cmdsize = 1;
cmdarg = (char **) xmalloc (cmdsize * sizeof (*cmdarg));
getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
current_directory = gdb_dirbuf;
+#if 0
+ /* not yet */
+ gdb_stdout = stdio_fileopen (stdout);
+ gdb_stderr = stdio_fileopen (stderr);
+ gdb_stdlog = gdb_stderr; /* for moment */
+ gdb_stdtarg = gdb_stderr; /* for moment */
+#else
+ gdb_stdout = tui_fileopen (stdout);
+ gdb_stderr = tui_fileopen (stderr);
+ gdb_stdlog = gdb_stdout; /* for moment */
+ gdb_stdtarg = gdb_stderr; /* for moment */
+#endif
+
/* Parse arguments and options. */
{
int c;
short option (or arbitrary numbers starting at 10 for those
with no equivalent). */
static struct option long_options[] =
- {
- {"readnow", no_argument, &readnow_symbol_files, 1},
- {"r", no_argument, &readnow_symbol_files, 1},
- {"mapped", no_argument, &mapped_symbol_files, 1},
- {"m", no_argument, &mapped_symbol_files, 1},
- {"quiet", no_argument, &quiet, 1},
- {"q", no_argument, &quiet, 1},
- {"silent", no_argument, &quiet, 1},
- {"nx", no_argument, &inhibit_gdbinit, 1},
- {"n", no_argument, &inhibit_gdbinit, 1},
- {"batch", no_argument, &batch, 1},
- {"epoch", no_argument, &epoch_interface, 1},
-
- /* This is a synonym for "--annotate=1". --annotate is now preferred,
- but keep this here for a long time because people will be running
- emacses which use --fullname. */
- {"fullname", no_argument, 0, 'f'},
- {"f", no_argument, 0, 'f'},
-
- {"annotate", required_argument, 0, 12},
- {"help", no_argument, &print_help, 1},
- {"se", required_argument, 0, 10},
- {"symbols", required_argument, 0, 's'},
- {"s", required_argument, 0, 's'},
- {"exec", required_argument, 0, 'e'},
- {"e", required_argument, 0, 'e'},
- {"core", required_argument, 0, 'c'},
- {"c", required_argument, 0, 'c'},
- {"command", required_argument, 0, 'x'},
- {"version", no_argument, &print_version, 1},
- {"x", required_argument, 0, 'x'},
-/* start-sanitize-gdbtk */
-#ifdef GDBTK
- {"tclcommand", required_argument, 0, 'z'},
+ {
+ {"async", no_argument, &async_p, 1},
+ {"noasync", no_argument, &async_p, 0},
+#if defined(TUI)
+ {"tui", no_argument, &tui_version, 1},
#endif
-/* end-sanitize-gdbtk */
- {"directory", required_argument, 0, 'd'},
- {"cd", required_argument, 0, 11},
- {"tty", required_argument, 0, 't'},
- {"baud", required_argument, 0, 'b'},
- {"b", required_argument, 0, 'b'},
- {"nw", no_argument, &use_windows, 0},
- {"nowindows", no_argument, &use_windows, 0},
- {"w", no_argument, &use_windows, 1},
- {"windows", no_argument, &use_windows, 1},
- {"statistics", no_argument, 0, 13},
+ {"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},
+ {"epoch", no_argument, &epoch_interface, 1},
+
+ /* This is a synonym for "--annotate=1". --annotate is now preferred,
+ but keep this here for a long time because people will be running
+ emacses which use --fullname. */
+ {"fullname", no_argument, 0, 'f'},
+ {"f", no_argument, 0, 'f'},
+
+ {"annotate", required_argument, 0, 12},
+ {"help", no_argument, &print_help, 1},
+ {"se", required_argument, 0, 10},
+ {"symbols", required_argument, 0, 's'},
+ {"s", required_argument, 0, 's'},
+ {"exec", required_argument, 0, 'e'},
+ {"e", required_argument, 0, 'e'},
+ {"core", required_argument, 0, 'c'},
+ {"c", required_argument, 0, 'c'},
+ {"command", required_argument, 0, 'x'},
+ {"version", no_argument, &print_version, 1},
+ {"x", required_argument, 0, 'x'},
+ {"directory", required_argument, 0, 'd'},
+ {"cd", required_argument, 0, 11},
+ {"tty", required_argument, 0, 't'},
+ {"baud", required_argument, 0, 'b'},
+ {"b", required_argument, 0, 'b'},
+ {"nw", no_argument, &use_windows, 0},
+ {"nowindows", no_argument, &use_windows, 0},
+ {"w", no_argument, &use_windows, 1},
+ {"windows", no_argument, &use_windows, 1},
+ {"statistics", no_argument, 0, 13},
+ {"write", no_argument, &write_files, 1},
/* Allow machine descriptions to add more options... */
#ifdef ADDITIONAL_OPTIONS
- ADDITIONAL_OPTIONS
+ ADDITIONAL_OPTIONS
#endif
- {0, no_argument, 0, 0}
- };
+ {0, no_argument, 0, 0}
+ };
while (1)
{
if (ncmd >= cmdsize)
{
cmdsize *= 2;
- cmdarg = (char **) xrealloc ((char *)cmdarg,
+ cmdarg = (char **) xrealloc ((char *) cmdarg,
cmdsize * sizeof (*cmdarg));
}
break;
- /* start-sanitize-gdbtk */
-#ifdef GDBTK
- case 'z':
- {
- extern int gdbtk_test PARAMS ((char *));
- if (!gdbtk_test (optarg))
- {
- fprintf_unfiltered (gdb_stderr, "%s: unable to load tclcommand file \"%s\"",
- argv[0], optarg);
- exit (1);
- }
- break;
- }
-#endif /* GDBTK */
- /* end-sanitize-gdbtk */
case 'd':
dirarg[ndir++] = optarg;
if (ndir >= dirsize)
{
dirsize *= 2;
- dirarg = (char **) xrealloc ((char *)dirarg,
+ dirarg = (char **) xrealloc ((char *) dirarg,
dirsize * sizeof (*dirarg));
}
break;
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,
if (i == 0 && p == optarg)
/* Don't use *_filtered or warning() (which relies on
- current_target) until after initialize_all_files(). */
+ current_target) until after initialize_all_files(). */
fprintf_unfiltered
(gdb_stderr,
- "warning: could not set timeout limit to `%s'.\n", optarg);
+ "warning: could not set timeout limit to `%s'.\n", optarg);
else
remote_timeout = i;
}
break;
#ifdef ADDITIONAL_OPTION_CASES
- ADDITIONAL_OPTION_CASES
+ ADDITIONAL_OPTION_CASES
#endif
case '?':
fprintf_unfiltered (gdb_stderr,
- "Use `%s --help' for a complete list of options.\n",
- argv[0]);
+ "Use `%s --help' for a complete list of options.\n",
+ argv[0]);
exit (1);
}
}
/* If --help or --version, disable window interface. */
if (print_help || print_version)
+ {
+ use_windows = 0;
+#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;
break;
case 3:
fprintf_unfiltered (gdb_stderr,
- "Excess command line arguments ignored. (%s%s)\n",
- argv[optind], (optind == argc - 1) ? "" : " ...");
+ "Excess command line arguments ignored. (%s%s)\n",
+ argv[optind], (optind == argc - 1) ? "" : " ...");
break;
}
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
+
+ /* Initialize all files. Give the interpreter a chance to take
+ control of the console via the init_ui_hook()) */
gdb_init (argv[0]);
/* Do these (and anything which might call wrap_here or *_filtered)
if (!quiet)
{
/* Print all the junk at the top, with trailing "..." if we are about
- to read a symbol file (possibly slowly). */
+ to read a symbol file (possibly slowly). */
print_gdb_version (gdb_stdout);
if (symarg)
printf_filtered ("..");
- wrap_here("");
- gdb_flush (gdb_stdout); /* Force to screen during slow operations */
+ wrap_here ("");
+ gdb_flush (gdb_stdout); /* Force to screen during slow operations */
}
error_pre_print = "\n\n";
*before* all the command line arguments are processed; it sets
global parameters, which are independent of what file you are
debugging or what directory you are in. */
-#ifdef __CYGWIN__
+#ifdef __CYGWIN32__
{
- char * tmp = getenv ("HOME");
-
+ char *tmp = getenv ("HOME");
+
if (tmp != NULL)
{
- homedir = (char *) alloca (MAX_PATH+1);
- cygwin32_conv_to_posix_path (tmp, homedir);
+ homedir = (char *) alloca (MAX_PATH + 1);
+ cygwin32_conv_to_posix_path (tmp, homedir);
}
else
homedir = NULL;
}
#else
- homedir = getenv ("HOME");
+ homedir = getenv ("HOME");
#endif
if (homedir)
{
do_cleanups (ALL_CLEANUPS);
/* Do stats; no need to do them elsewhere since we'll only
- need them if homedir is set. Make sure that they are
- zero in case one of them fails (this guarantees that they
- won't match if either exists). */
-
+ need them if homedir is set. Make sure that they are
+ zero in case one of them fails (this guarantees that they
+ won't match if either exists). */
+
memset (&homebuf, 0, sizeof (struct stat));
memset (&cwdbuf, 0, sizeof (struct stat));
-
+
stat (homeinit, &homebuf);
- stat (gdbinit, &cwdbuf); /* We'll only need this if
- homedir was set. */
+ stat (gdbinit, &cwdbuf); /* We'll only need this if
+ homedir was set. */
}
/* Now perform all the actions indicated by the arguments. */
for (i = 0; i < ndir; i++)
if (!SET_TOP_LEVEL ())
directory_command (dirarg[i], 0);
- free ((PTR)dirarg);
+ free ((PTR) dirarg);
do_cleanups (ALL_CLEANUPS);
if (execarg != NULL
&& STREQ (execarg, symarg))
{
/* The exec file and the symbol-file are the same. If we can't open
- it, better only print one error message. */
+ it, better only print one error message. */
if (!SET_TOP_LEVEL ())
{
exec_file_command (execarg, !batch);
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)
/* Read the .gdbinit file in the current directory, *if* it isn't
the same as the $HOME/.gdbinit file (it should exist, also). */
-
+
if (!homedir
|| memcmp ((char *) &homebuf, (char *) &cwdbuf, sizeof (struct stat)))
if (!inhibit_gdbinit)
{
if (!SET_TOP_LEVEL ())
{
+ /* 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);
}
}
- free ((PTR)cmdarg);
+ free ((PTR) cmdarg);
/* Read in the old history after all the command files have been read. */
- init_history();
+ init_history ();
if (batch)
{
{
if (!SET_TOP_LEVEL ())
{
- do_cleanups (ALL_CLEANUPS); /* Do complete cleanup */
+ 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(). */
command_loop_hook ();
else
command_loop ();
- quit_command ((char *)0, instream == stdin);
+ quit_command ((char *) 0, instream == stdin);
}
}
-
/* No exit -- exit is through quit_command. */
#endif
static void
print_gdb_help (stream)
- GDB_FILE *stream;
+ GDB_FILE *stream;
{
- fputs_unfiltered ("\
+ fputs_unfiltered ("\
This is the GNU debugger. Usage:\n\n\
gdb [options] [executable-file [core-file or process-id]]\n\n\
Options:\n\n\
", stream);
- fputs_unfiltered ("\
+ 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\
--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 ("\
+ 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 ("\
+ 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\
+ --nx Do not read ", stream);
+ fputs_unfiltered (gdbinit, stream);
+ fputs_unfiltered (" file.\n\
--quiet Do not print version number on startup.\n\
--readnow Fully read symbol files on first access.\n\
", stream);
- fputs_unfiltered ("\
+ 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);
+ fputs_unfiltered (ADDITIONAL_OPTION_HELP, stream);
#endif
- fputs_unfiltered ("\n\
+ 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);
}
-
\f
-void
-init_proc ()
-{
-}
-void
-proc_remove_foreign (pid)
- int pid;
-{
-}
+/* All TUI 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. */
-/* 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. */
+/* FIXME: Should be broken up and moved to a TUI specific file. */
void
-fputs_unfiltered (linebuffer, stream)
+tui_file_fputs (linebuffer, file)
const char *linebuffer;
- FILE *stream;
+ GDB_FILE *file;
{
+ struct tui_stream *stream = gdb_file_data (file);
+#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);
+ && (file == gdb_stdout
+ || file == gdb_stderr))
+ fputs_unfiltered_hook (linebuffer, file);
else
- fputs (linebuffer, stream);
+ {
+#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);
+ }
+
+
+#else
+ if (stream->ts_streamtype == astring)
+ {
+ gdb_file_adjust_strbuf (strlen (linebuffer), file);
+ strcat (stream->ts_strbuf, linebuffer);
+ }
+ else
+ fputs (linebuffer, stream->ts_filestream);
+#endif
+ }
}
projects / binutils-gdb.git / blobdiff