/* Top level stuff for GDB, the GNU debugger.
- Copyright (C) 1986-2016 Free Software Foundation, Inc.
+ Copyright (C) 1986-2017 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"
+#include <vector>
/* The selected interpreter. This will be used as a set command
variable, so it should always be malloc'ed - since
here on. */
current_ui->async = 1;
- /* Give the interpreter a chance to print a prompt. */
- interp_pre_command_loop (top_level_interpreter ());
+ /* 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 ();
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, ui->instream == stdin);
+ quit_command (NULL, ui->instream == ui->stdin_stream);
return 1;
}
{
TRY
{
- int was_sync = sync_execution;
+ int was_sync = current_ui->prompt_state == PROMPT_BLOCKED;
command (arg, from_tty);
{
TRY
{
- int was_sync = sync_execution;
+ int was_sync = current_ui->prompt_state == PROMPT_BLOCKED;
command (arg, from_tty);
return 1;
}
+/* Adapter for symbol_file_add_main that translates 'from_tty' to a
+ symfile_add_flags. */
+
+static void
+symbol_file_add_main_adapter (const char *arg, int from_tty)
+{
+ symfile_add_flags add_flags = 0;
+
+ if (from_tty)
+ add_flags |= SYMFILE_VERBOSE;
+
+ symbol_file_add_main (arg, add_flags);
+}
+
/* Type of this option. */
enum cmdarg_kind
{
};
/* Arguments of --command option and its counterpart. */
-typedef struct cmdarg {
+struct cmdarg
+{
+ cmdarg (cmdarg_kind type_, char *string_)
+ : type (type_), string (string_)
+ {}
+
/* 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'. */
char *string;
-} cmdarg_s;
-
-/* Define type VEC (cmdarg_s). */
-DEF_VEC_O (cmdarg_s);
+};
-static int
-captured_main (void *data)
+static void
+captured_main_1 (struct captured_main_args *context)
{
- struct ui *ui = current_ui;
- struct captured_main_args *context = (struct captured_main_args *) data;
int argc = context->argc;
char **argv = context->argv;
+
static int quiet = 0;
static int set_args = 0;
static int inhibit_home_gdbinit = 0;
static int print_configuration;
/* Pointers to all arguments of --command option. */
- VEC (cmdarg_s) *cmdarg_vec = NULL;
- struct cmdarg *cmdarg_p;
+ std::vector<struct cmdarg> cmdarg_vec;
- /* Indices of all arguments of --directory option. */
- char **dirarg;
- /* Allocated size. */
- int dirsize;
- /* Number of elements used. */
- int ndir;
+ /* All arguments of --directory option. */
+ std::vector<char *> dirarg;
/* gdb init files. */
const char *system_gdbinit;
int save_auto_load;
struct objfile *objfile;
- struct cleanup *pre_stat_chain;
+ struct cleanup *chain;
#ifdef HAVE_SBRK
- /* Set this before calling make_command_stats_cleanup. */
+ /* Set this before constructing scoped_command_stats. */
lim_at_start = (char *) sbrk (0);
#endif
- pre_stat_chain = make_command_stats_cleanup (0);
+ scoped_command_stats stat_reporter (false);
#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
setlocale (LC_MESSAGES, "");
#if defined (HAVE_SETLOCALE)
setlocale (LC_CTYPE, "");
#endif
+#ifdef ENABLE_NLS
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
+#endif
bfd_init ();
notice_open_fds ();
-
- make_cleanup (VEC_cleanup (cmdarg_s), &cmdarg_vec);
- dirsize = 1;
- dirarg = (char **) xmalloc (dirsize * sizeof (*dirarg));
- ndir = 0;
+ save_original_signals_state ();
saved_command_line = (char *) xstrdup ("");
- ui->instream = stdin;
- ui->outstream = stdout;
- ui->errstream = stderr;
-
- ui->input_fd = fileno (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 = stderr_fileopen (stderr);
+ 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 */
#endif
/* Prefix warning messages with the command name. */
- warning_pre_print = xstrprintf ("%s: warning: ", gdb_program_name);
+ gdb::unique_xmalloc_ptr<char> tmp_warn_preprint
+ (xstrprintf ("%s: warning: ", gdb_program_name));
+ warning_pre_print = tmp_warn_preprint.get ();
if (! getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)))
perror_warning_with_name (_("error finding working directory"));
pidarg = optarg;
break;
case 'x':
- {
- struct cmdarg cmdarg = { CMDARG_FILE, optarg };
-
- VEC_safe_push (cmdarg_s, cmdarg_vec, &cmdarg);
- }
+ cmdarg_vec.emplace_back (CMDARG_FILE, optarg);
break;
case 'X':
- {
- struct cmdarg cmdarg = { CMDARG_COMMAND, optarg };
-
- VEC_safe_push (cmdarg_s, cmdarg_vec, &cmdarg);
- }
+ cmdarg_vec.emplace_back (CMDARG_COMMAND, optarg);
break;
case OPT_IX:
- {
- struct cmdarg cmdarg = { CMDARG_INIT_FILE, optarg };
-
- VEC_safe_push (cmdarg_s, cmdarg_vec, &cmdarg);
- }
+ cmdarg_vec.emplace_back (CMDARG_INIT_FILE, optarg);
break;
case OPT_IEX:
- {
- struct cmdarg cmdarg = { CMDARG_INIT_COMMAND, optarg };
-
- VEC_safe_push (cmdarg_s, cmdarg_vec, &cmdarg);
- }
+ cmdarg_vec.emplace_back (CMDARG_INIT_COMMAND, optarg);
break;
case 'B':
batch_flag = batch_silent = 1;
- gdb_stdout = ui_file_new();
+ gdb_stdout = new null_file ();
break;
case 'D':
if (optarg[0] == '\0')
interpreter_p = xstrdup (optarg);
break;
case 'd':
- dirarg[ndir++] = optarg;
- if (ndir >= dirsize)
- {
- dirsize *= 2;
- dirarg = (char **) xrealloc ((char *) dirarg,
- dirsize * sizeof (*dirarg));
- }
+ dirarg.push_back (optarg);
break;
case 't':
ttyarg = optarg;
/* 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 (current_ui, 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
}
/* Set off error and warning messages with a blank line. */
- xfree (warning_pre_print);
+ tmp_warn_preprint.reset ();
warning_pre_print = _("\nwarning: ");
/* Read and execute the system-wide gdbinit file, if it exists.
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++)
- switch (cmdarg_p->type)
+ for (i = 0; i < cmdarg_vec.size (); i++)
{
- case CMDARG_INIT_FILE:
- catch_command_errors_const (source_script, cmdarg_p->string,
- !batch_flag);
- break;
- case CMDARG_INIT_COMMAND:
- catch_command_errors (execute_command, cmdarg_p->string,
- !batch_flag);
- break;
+ const struct cmdarg &cmdarg_p = cmdarg_vec[i];
+
+ switch (cmdarg_p.type)
+ {
+ case CMDARG_INIT_FILE:
+ catch_command_errors_const (source_script, cmdarg_p.string,
+ !batch_flag);
+ break;
+ case CMDARG_INIT_COMMAND:
+ catch_command_errors (execute_command, cmdarg_p.string,
+ !batch_flag);
+ break;
+ }
}
/* Now perform all the actions indicated by the arguments. */
catch_command_errors (cd_command, cdarg, 0);
}
- for (i = 0; i < ndir; i++)
+ for (i = 0; i < dirarg.size (); i++)
catch_command_errors (directory_switch, dirarg[i], 0);
- xfree (dirarg);
/* Skip auto-loading section-specified scripts until we've sourced
local_gdbinit (which is often used to augment the source search
catch_command_errors returns non-zero on success! */
if (catch_command_errors_const (exec_file_attach, execarg,
!batch_flag))
- catch_command_errors_const (symbol_file_add_main, symarg,
+ catch_command_errors_const (symbol_file_add_main_adapter, symarg,
!batch_flag);
}
else
catch_command_errors_const (exec_file_attach, execarg,
!batch_flag);
if (symarg != NULL)
- catch_command_errors_const (symbol_file_add_main, symarg,
+ catch_command_errors_const (symbol_file_add_main_adapter, symarg,
!batch_flag);
}
load_auto_scripts_for_objfile (objfile);
/* Process '-x' and '-ex' options. */
- for (i = 0; VEC_iterate (cmdarg_s, cmdarg_vec, i, cmdarg_p); i++)
- switch (cmdarg_p->type)
+ for (i = 0; i < cmdarg_vec.size (); i++)
{
- case CMDARG_FILE:
- catch_command_errors_const (source_script, cmdarg_p->string,
- !batch_flag);
- break;
- case CMDARG_COMMAND:
- catch_command_errors (execute_command, cmdarg_p->string,
- !batch_flag);
- break;
+ const struct cmdarg &cmdarg_p = cmdarg_vec[i];
+
+ switch (cmdarg_p.type)
+ {
+ case CMDARG_FILE:
+ catch_command_errors_const (source_script, cmdarg_p.string,
+ !batch_flag);
+ break;
+ case CMDARG_COMMAND:
+ catch_command_errors (execute_command, cmdarg_p.string,
+ !batch_flag);
+ break;
+ }
}
/* Read in the old history after all the command files have been
/* We have hit the end of the batch file. */
quit_force (NULL, 0);
}
+}
+
+static void
+captured_main (void *data)
+{
+ struct captured_main_args *context = (struct captured_main_args *) data;
- /* Show time and/or space usage. */
- do_cleanups (pre_stat_chain);
+ captured_main_1 (context);
/* NOTE: cagney/1999-11-07: There is probably no reason for not
moving this loop and the code found in captured_command_loop()
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;