/* Top level stuff for GDB, the GNU debugger.
- Copyright (C) 1986-2015 Free Software Foundation, Inc.
+ Copyright (C) 1986-2016 Free Software Foundation, Inc.
This file is part of GDB.
#include <signal.h>
#include "event-top.h"
#include "infrun.h"
+#include "signals-state-save-restore.h"
/* 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 xdb commands will be handled. */
-int xdb_commands = 0;
-
/* Whether dbx commands will be handled. */
int dbx_commands = 0;
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;
for (p = tmp_sys_gdbinit; IS_DIR_SEPARATOR (*p); ++p)
continue;
relocated_sysgdbinit = concat (gdb_datadir, SLASH_STRING, p,
- NULL);
+ (char *) NULL);
xfree (tmp_sys_gdbinit);
}
else
#ifdef HAVE_SIGALTSTACK
stack_t ss;
- ss.ss_sp = xmalloc (SIGSTKSZ);
+ /* FreeBSD versions older than 11.0 use char * for ss_sp instead of
+ void *. This cast works with both types. */
+ ss.ss_sp = (char *) xmalloc (SIGSTKSZ);
ss.ss_size = SIGSTKSZ;
ss.ss_flags = 0;
static int
captured_command_loop (void *data)
{
+ struct ui *ui = current_ui;
+
/* Top-level execution commands can be run in the background from
here on. */
- interpreter_async = 1;
+ current_ui->async = 1;
+
+ /* Give the interpreter a chance to print a prompt, if necessary */
+ if (ui->prompt_state != PROMPT_BLOCKED)
+ interp_pre_command_loop (top_level_interpreter ());
+
+ /* Now it's time to start the event loop. */
+ start_event_loop ();
- 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
error) we try to quit. If the quit is aborted, catch_errors()
which called this catch the signal and restart the command
loop. */
- quit_command (NULL, instream == stdin);
+ quit_command (NULL, ui->instream == ui->stdin_stream);
return 1;
}
catch_command_errors/catch_command_errors_const. */
static int
-handle_command_errors (volatile struct gdb_exception e)
+handle_command_errors (struct gdb_exception e)
{
if (e.reason < 0)
{
static int
catch_command_errors (catch_command_errors_ftype *command,
- char *arg, int from_tty, return_mask mask)
+ char *arg, int from_tty)
{
- volatile struct gdb_exception e;
-
- TRY_CATCH (e, mask)
+ TRY
{
- int was_sync = sync_execution;
+ int was_sync = current_ui->prompt_state == PROMPT_BLOCKED;
command (arg, from_tty);
maybe_wait_sync_command_done (was_sync);
}
- return handle_command_errors (e);
+ CATCH (e, RETURN_MASK_ALL)
+ {
+ return handle_command_errors (e);
+ }
+ END_CATCH
+
+ return 1;
}
/* Type of the command callback passed to catch_command_errors_const. */
static int
catch_command_errors_const (catch_command_errors_const_ftype *command,
- const char *arg, int from_tty, return_mask mask)
+ const char *arg, int from_tty)
{
- volatile struct gdb_exception e;
-
- TRY_CATCH (e, mask)
+ TRY
{
- int was_sync = sync_execution;
+ int was_sync = current_ui->prompt_state == PROMPT_BLOCKED;
command (arg, from_tty);
maybe_wait_sync_command_done (was_sync);
}
- return handle_command_errors (e);
+ CATCH (e, RETURN_MASK_ALL)
+ {
+ return handle_command_errors (e);
+ }
+ END_CATCH
+
+ return 1;
}
-/* Arguments of --command option and its counterpart. */
-typedef struct cmdarg {
- /* Type of this option. */
- enum {
- /* Option type -x. */
- CMDARG_FILE,
+/* Type of this option. */
+enum cmdarg_kind
+{
+ /* Option type -x. */
+ CMDARG_FILE,
- /* Option type -ex. */
- CMDARG_COMMAND,
+ /* Option type -ex. */
+ CMDARG_COMMAND,
- /* Option type -ix. */
- CMDARG_INIT_FILE,
+ /* Option type -ix. */
+ CMDARG_INIT_FILE,
- /* Option type -iex. */
- CMDARG_INIT_COMMAND
- } type;
+ /* Option type -iex. */
+ CMDARG_INIT_COMMAND
+};
+
+/* Arguments of --command option and its counterpart. */
+typedef struct cmdarg {
+ /* Type of this option. */
+ enum cmdarg_kind type;
/* Value of this option - filename or the GDB command itself. String memory
is not owned by this structure despite it is 'const'. */
static int
captured_main (void *data)
{
- struct captured_main_args *context = data;
+ struct captured_main_args *context = (struct captured_main_args *) data;
int argc = context->argc;
char **argv = context->argv;
static int quiet = 0;
#if defined (HAVE_SETLOCALE)
setlocale (LC_CTYPE, "");
#endif
+#ifdef ENABLE_NLS
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
+#endif
bfd_init ();
notice_open_fds ();
+ save_original_signals_state ();
make_cleanup (VEC_cleanup (cmdarg_s), &cmdarg_vec);
dirsize = 1;
dirarg = (char **) xmalloc (dirsize * sizeof (*dirarg));
ndir = 0;
- clear_quit_flag ();
- saved_command_line = (char *) xmalloc (saved_command_line_size);
- saved_command_line[0] = '\0';
- instream = stdin;
+ saved_command_line = (char *) xstrdup ("");
#ifdef __MINGW32__
/* Ensure stderr is unbuffered. A Cygwin pty or pipe is implemented
setvbuf (stderr, NULL, _IONBF, BUFSIZ);
#endif
- gdb_stdout = stdio_fileopen (stdout);
- gdb_stderr = stderr_fileopen ();
+ main_ui = new_ui (stdin, stdout, stderr);
+ current_ui = main_ui;
- 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_sysroot = relocate_gdb_directory (TARGET_SYSTEM_ROOT,
TARGET_SYSTEM_ROOT_RELOCATABLE);
+ if (gdb_sysroot == NULL || *gdb_sysroot == '\0')
+ {
+ xfree (gdb_sysroot);
+ gdb_sysroot = xstrdup (TARGET_SYSROOT_PREFIX);
+ }
+
debug_file_directory = relocate_gdb_directory (DEBUGDIR,
DEBUGDIR_RELOCATABLE);
#ifdef WITH_PYTHON_PATH
{
/* For later use in helping Python find itself. */
- char *tmp = concat (WITH_PYTHON_PATH, SLASH_STRING, "lib", NULL);
+ char *tmp = concat (WITH_PYTHON_PATH, SLASH_STRING, "lib", (char *) NULL);
python_libdir = relocate_gdb_directory (tmp, PYTHON_PATH_RELOCATABLE);
xfree (tmp);
static struct option long_options[] =
{
{"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},
/* Try to set up an alternate signal stack for SIGSEGV handlers. */
setup_alternate_signal_stack ();
- /* Initialize all files. Give the interpreter a chance to take
- control of the console via the deprecated_init_ui_hook (). */
+ /* Initialize all files. */
gdb_init (gdb_program_name);
/* Now that gdb_init has created the initial inferior, we're in
/* 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, 1))
- error (_("Interpreter `%s' failed to initialize."), interpreter_p);
- }
+ set_top_level_interpreter (interpreter_p);
/* FIXME: cagney/2003-02-03: The big hack (part 2 of 2) that lets
GDB retain the old MI1 interpreter startup behavior. Output the
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_const (source_script, system_gdbinit,
- 0, RETURN_MASK_ALL);
+ catch_command_errors_const (source_script, system_gdbinit, 0);
/* 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_const (source_script,
- home_gdbinit, 0, RETURN_MASK_ALL);
+ catch_command_errors_const (source_script, home_gdbinit, 0);
/* Process '-ix' and '-iex' options early. */
for (i = 0; VEC_iterate (cmdarg_s, cmdarg_vec, i, cmdarg_p); i++)
{
case CMDARG_INIT_FILE:
catch_command_errors_const (source_script, cmdarg_p->string,
- !batch_flag, RETURN_MASK_ALL);
+ !batch_flag);
break;
case CMDARG_INIT_COMMAND:
catch_command_errors (execute_command, cmdarg_p->string,
- !batch_flag, RETURN_MASK_ALL);
+ !batch_flag);
break;
}
/* Now perform all the actions indicated by the arguments. */
if (cdarg != NULL)
{
- catch_command_errors (cd_command, cdarg, 0, RETURN_MASK_ALL);
+ catch_command_errors (cd_command, cdarg, 0);
}
for (i = 0; i < ndir; i++)
- catch_command_errors (directory_switch, dirarg[i], 0, RETURN_MASK_ALL);
+ catch_command_errors (directory_switch, dirarg[i], 0);
xfree (dirarg);
/* Skip auto-loading section-specified scripts until we've sourced
open it, better only print one error message.
catch_command_errors returns non-zero on success! */
if (catch_command_errors_const (exec_file_attach, execarg,
- !batch_flag, RETURN_MASK_ALL))
+ !batch_flag))
catch_command_errors_const (symbol_file_add_main, symarg,
- !batch_flag, RETURN_MASK_ALL);
+ !batch_flag);
}
else
{
if (execarg != NULL)
catch_command_errors_const (exec_file_attach, execarg,
- !batch_flag, RETURN_MASK_ALL);
+ !batch_flag);
if (symarg != NULL)
catch_command_errors_const (symbol_file_add_main, symarg,
- !batch_flag, RETURN_MASK_ALL);
+ !batch_flag);
}
if (corearg && pidarg)
"a core file at the same time."));
if (corearg != NULL)
- catch_command_errors (core_file_command, corearg,
- !batch_flag, RETURN_MASK_ALL);
+ catch_command_errors (core_file_command, corearg, !batch_flag);
else if (pidarg != NULL)
- catch_command_errors (attach_command, pidarg,
- !batch_flag, RETURN_MASK_ALL);
+ catch_command_errors (attach_command, pidarg, !batch_flag);
else if (pid_or_core_arg)
{
/* The user specified 'gdb program pid' or gdb program core'.
if (isdigit (pid_or_core_arg[0]))
{
if (catch_command_errors (attach_command, pid_or_core_arg,
- !batch_flag, RETURN_MASK_ALL) == 0)
+ !batch_flag) == 0)
catch_command_errors (core_file_command, pid_or_core_arg,
- !batch_flag, RETURN_MASK_ALL);
+ !batch_flag);
}
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);
+ !batch_flag);
}
if (ttyarg != NULL)
{
auto_load_local_gdbinit_loaded = 1;
- catch_command_errors_const (source_script, local_gdbinit, 0,
- RETURN_MASK_ALL);
+ catch_command_errors_const (source_script, local_gdbinit, 0);
}
}
{
case CMDARG_FILE:
catch_command_errors_const (source_script, cmdarg_p->string,
- !batch_flag, RETURN_MASK_ALL);
+ !batch_flag);
break;
case CMDARG_COMMAND:
catch_command_errors (execute_command, cmdarg_p->string,
- !batch_flag, RETURN_MASK_ALL);
+ !batch_flag);
break;
}
int
gdb_main (struct captured_main_args *args)
{
- catch_errors (captured_main, args, "", RETURN_MASK_ALL);
+ TRY
+ {
+ captured_main (args);
+ }
+ CATCH (ex, RETURN_MASK_ALL)
+ {
+ exception_print (gdb_stderr, ex);
+ }
+ END_CATCH
+
/* 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;
#endif
fputs_unfiltered (_("\
--dbx DBX compatibility mode.\n\
- --xdb XDB compatibility mode.\n\
-q, --quiet, --silent\n\
Do not print version number on startup.\n\n\
"), stream);
projects / deliverable / binutils-gdb.git / blobdiff