#include "getopt.h"
#include <sys/types.h>
-#include "gdb_stat.h"
+#include <sys/stat.h>
#include <ctype.h>
-#include "gdb_string.h"
+#include <string.h>
#include "event-loop.h"
#include "ui-out.h"
#include "maint.h"
#include "filenames.h"
+#include "filestuff.h"
/* The selected interpreter. This will be used as a set command
variable, so it should always be malloc'ed - since
/* GDB as it has been invoked from the command line (i.e. argv[0]). */
static char *gdb_program_name;
+/* Return read only pointer to GDB_PROGRAM_NAME. */
+const char *
+get_gdb_program_name (void)
+{
+ return gdb_program_name;
+}
+
static void print_gdb_help (struct ui_file *);
/* Relocate a file or directory. PROGNAME is the name by which gdb
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)
+get_init_files (const char **system_gdbinit,
+ const char **home_gdbinit,
+ const char **local_gdbinit)
{
- static char *sysgdbinit = NULL;
+ static const char *sysgdbinit = NULL;
static char *homeinit = NULL;
- static char *localinit = NULL;
+ static const char *localinit = NULL;
static int initialized = 0;
if (!initialized)
static int
captured_command_loop (void *data)
{
- /* Top-level execution commands can be run on the background from
+ /* Top-level execution commands can be run in the background from
here on. */
interpreter_async = 1;
int ndir;
/* gdb init files. */
- char *system_gdbinit;
- char *home_gdbinit;
- char *local_gdbinit;
+ const char *system_gdbinit;
+ const char *home_gdbinit;
+ const char *local_gdbinit;
int i;
int save_auto_load;
textdomain (PACKAGE);
bfd_init ();
+ notice_open_fds ();
make_cleanup (VEC_cleanup (cmdarg_s), &cmdarg_vec);
dirsize = 1;
saved_command_line[0] = '\0';
instream = stdin;
+#ifdef __MINGW32__
+ /* Ensure stderr is unbuffered. A Cygwin pty or pipe is implemented
+ as a Windows pipe, and Windows buffers on pipes. */
+ setvbuf (stderr, NULL, _IONBF, BUFSIZ);
+#endif
+
gdb_stdout = stdio_fileopen (stdout);
- gdb_stderr = stdio_fileopen (stderr);
+ gdb_stderr = stderr_fileopen ();
+
gdb_stdlog = gdb_stderr; /* for moment */
gdb_stdtarg = gdb_stderr; /* for moment */
gdb_stdin = stdio_fileopen (stdin);
}
/* 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 the system-wide gdbinit file, if it exists.
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);
+ catch_command_errors_const (source_script, system_gdbinit,
+ 0, RETURN_MASK_ALL);
/* Read and execute $HOME/.gdbinit file, if it exists. This is done
*before* all the command line arguments are processed; it sets
debugging or what directory you are in. */
if (home_gdbinit && !inhibit_gdbinit && !inhibit_home_gdbinit)
- catch_command_errors (source_script, home_gdbinit, 0, RETURN_MASK_ALL);
+ catch_command_errors_const (source_script,
+ home_gdbinit, 0, RETURN_MASK_ALL);
/* Process '-ix' and '-iex' options early. */
for (i = 0; VEC_iterate (cmdarg_s, cmdarg_vec, i, cmdarg_p); i++)
switch (cmdarg_p->type)
{
case CMDARG_INIT_FILE:
- catch_command_errors (source_script, cmdarg_p->string,
- !batch_flag, RETURN_MASK_ALL);
+ catch_command_errors_const (source_script, cmdarg_p->string,
+ !batch_flag, RETURN_MASK_ALL);
break;
case CMDARG_INIT_COMMAND:
catch_command_errors (execute_command, cmdarg_p->string,
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);
+ catch_command_errors_const (symbol_file_add_main, symarg,
+ !batch_flag, RETURN_MASK_ALL);
}
else
{
catch_command_errors (exec_file_attach, execarg,
!batch_flag, RETURN_MASK_ALL);
if (symarg != NULL)
- catch_command_errors (symbol_file_add_main, symarg,
- !batch_flag, RETURN_MASK_ALL);
+ catch_command_errors_const (symbol_file_add_main, symarg,
+ !batch_flag, RETURN_MASK_ALL);
}
if (corearg && pidarg)
set_inferior_io_terminal (ttyarg);
/* Error messages should no longer be distinguished with extra output. */
- error_pre_print = NULL;
- quit_pre_print = NULL;
warning_pre_print = _("warning: ");
/* Read the .gdbinit file in the current directory, *if* it isn't
{
auto_load_local_gdbinit_loaded = 1;
- catch_command_errors (source_script, local_gdbinit, 0,
- RETURN_MASK_ALL);
+ catch_command_errors_const (source_script, local_gdbinit, 0,
+ RETURN_MASK_ALL);
}
}
switch (cmdarg_p->type)
{
case CMDARG_FILE:
- catch_command_errors (source_script, cmdarg_p->string,
- !batch_flag, RETURN_MASK_ALL);
+ catch_command_errors_const (source_script, cmdarg_p->string,
+ !batch_flag, RETURN_MASK_ALL);
break;
case CMDARG_COMMAND:
catch_command_errors (execute_command, cmdarg_p->string,
static void
print_gdb_help (struct ui_file *stream)
{
- char *system_gdbinit;
- char *home_gdbinit;
- char *local_gdbinit;
+ const char *system_gdbinit;
+ const char *home_gdbinit;
+ const char *local_gdbinit;
get_init_files (&system_gdbinit, &home_gdbinit, &local_gdbinit);
+ /* Note: The options in the list below are only approximately sorted
+ in the alphabetical order, so as to group closely related options
+ together. */
fputs_unfiltered (_("\
This is the GNU debugger. Usage:\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 (_("\
+Selection of debuggee and its files:\n\n\
--args Arguments after executable-file are passed to inferior\n\
+ --core=COREFILE Analyze the core dump COREFILE.\n\
+ --exec=EXECFILE Use EXECFILE as the executable.\n\
+ --pid=PID Attach to running process PID.\n\
+ --directory=DIR Search for source files in DIR.\n\
+ --se=FILE Use FILE as symbol file and executable file.\n\
+ --symbols=SYMFILE Read symbols from SYMFILE.\n\
+ --readnow Fully read symbol files on first access.\n\
+ --write Set writing into executable and core files.\n\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\
+Initial commands and command files:\n\n\
--command=FILE, -x Execute GDB commands from FILE.\n\
+ --init-command=FILE, -ix\n\
+ Like -x but execute commands before loading inferior.\n\
--eval-command=COMMAND, -ex\n\
Execute a single GDB command.\n\
May be used multiple times and in conjunction\n\
with --command.\n\
- --init-command=FILE, -ix Like -x but execute it before loading inferior.\n\
- --init-eval-command=COMMAND, -iex Like -ex but before loading inferior.\n\
- --core=COREFILE Analyze the core dump COREFILE.\n\
- --pid=PID Attach to running process PID.\n\
+ --init-eval-command=COMMAND, -iex\n\
+ Like -ex but before loading inferior.\n\
+ --nh Do not read ~/.gdbinit.\n\
+ --nx Do not read any .gdbinit files in any directory.\n\n\
"), stream);
fputs_unfiltered (_("\
- --dbx DBX compatibility mode.\n\
- --directory=DIR Search for source files in DIR.\n\
- --exec=EXECFILE Use EXECFILE as the executable.\n\
+Output and user interface control:\n\n\
--fullname Output information used by emacs-GDB interface.\n\
- --help Print this message.\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 any "), stream);
- fputs_unfiltered (gdbinit, stream);
- fputs_unfiltered (_(" files.\n\
- --nh Do not read "), stream);
- fputs_unfiltered (gdbinit, stream);
- fputs_unfiltered (_(" file from home directory.\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\
+ -w Use the GUI interface.\n\
+ --nw Do not use the GUI interface.\n\
"), stream);
#if defined(TUI)
fputs_unfiltered (_("\
"), stream);
#endif
fputs_unfiltered (_("\
- --version Print version information and then exit.\n\
- --configuration Print details about GDB configuration and then exit.\n\
- -w Use a window interface.\n\
- --write Set writing into executable and core files.\n\
+ --dbx DBX compatibility mode.\n\
--xdb XDB compatibility mode.\n\
+ --quiet Do not print version number on startup.\n\n\
+"), stream);
+ fputs_unfiltered (_("\
+Operating modes:\n\n\
+ --batch Exit after processing options.\n\
+ --batch-silent Like --batch, but suppress all gdb stdout output.\n\
+ --return-child-result\n\
+ GDB exit code will be the child's exit code.\n\
+ --configuration Print details about GDB configuration and then exit.\n\
+ --help Print this message and then exit.\n\
+ --version Print version information and then exit.\n\n\
+Remote debugging options:\n\n\
+ -b BAUDRATE Set serial port baud rate used for remote debugging.\n\
+ -l TIMEOUT Set timeout in seconds for remote debugging.\n\n\
+Other options:\n\n\
+ --cd=DIR Change current directory to DIR.\n\
"), stream);
fputs_unfiltered (_("\n\
At startup, GDB reads the following init files and executes their commands:\n\