/* Top level stuff for GDB, the GNU debugger.
- Copyright (C) 1986-2019 Free Software Foundation, Inc.
+ Copyright (C) 1986-2021 Free Software Foundation, Inc.
This file is part of GDB.
#include "expression.h"
#include "value.h"
#include "language.h"
-#include "terminal.h" /* For job_control. */
-#include "common/job-control.h"
+#include "terminal.h"
+#include "gdbsupport/job-control.h"
#include "annotate.h"
#include "completer.h"
#include "top.h"
-#include "common/version.h"
+#include "gdbsupport/version.h"
#include "serial.h"
#include "main.h"
-#include "event-loop.h"
+#include "gdbsupport/event-loop.h"
#include "gdbthread.h"
#include "extension.h"
#include "interps.h"
#include "maint.h"
#include "filenames.h"
#include "frame.h"
-#include "common/buffer.h"
-#include "gdb_select.h"
-#include "common/scope-exit.h"
+#include "gdbsupport/buffer.h"
+#include "gdbsupport/gdb_select.h"
+#include "gdbsupport/scope-exit.h"
+#include "gdbarch.h"
+#include "gdbsupport/pathstuff.h"
+#include "cli/cli-style.h"
/* readline include files. */
#include "readline/readline.h"
extern void initialize_all_files (void);
+static bool history_filename_empty (void);
+
#define PROMPT(X) the_prompts.prompt_stack[the_prompts.top + X].prompt
#define PREFIX(X) the_prompts.prompt_stack[the_prompts.top + X].prefix
#define SUFFIX(X) the_prompts.prompt_stack[the_prompts.top + X].suffix
-/* Default command line prompt. This is overriden in some configs. */
+/* Default command line prompt. This is overridden in some configs. */
#ifndef DEFAULT_PROMPT
#define DEFAULT_PROMPT "(gdb) "
#endif
-/* Generate a function that exports a pointer to a field of the
- current UI. */
+struct ui_file **
+current_ui_gdb_stdout_ptr ()
+{
+ return ¤t_ui->m_gdb_stdout;
+}
-#define gen_ret_current_ui_field_ptr(type, name) \
-type * \
-current_ui_## name ## _ptr (void) \
-{ \
- return ¤t_ui->m_ ## name; \
+struct ui_file **
+current_ui_gdb_stdin_ptr ()
+{
+ return ¤t_ui->m_gdb_stdin;
}
-gen_ret_current_ui_field_ptr (struct ui_file *, gdb_stdout)
-gen_ret_current_ui_field_ptr (struct ui_file *, gdb_stdin)
-gen_ret_current_ui_field_ptr (struct ui_file *, gdb_stderr)
-gen_ret_current_ui_field_ptr (struct ui_file *, gdb_stdlog)
-gen_ret_current_ui_field_ptr (struct ui_out *, current_uiout)
+struct ui_file **
+current_ui_gdb_stderr_ptr ()
+{
+ return ¤t_ui->m_gdb_stderr;
+}
-/* Initialization file name for gdb. This is host-dependent. */
+struct ui_file **
+current_ui_gdb_stdlog_ptr ()
+{
+ return ¤t_ui->m_gdb_stdlog;
+}
-const char gdbinit[] = GDBINIT;
+struct ui_out **
+current_ui_current_uiout_ptr ()
+{
+ return ¤t_ui->m_current_uiout;
+}
int inhibit_gdbinit = 0;
-extern char lang_frame_mismatch_warn[]; /* language.c */
-
/* Flag for whether we want to confirm potentially dangerous
operations. Default is yes. */
-int confirm = 1;
+bool confirm = true;
static void
show_confirm (struct ui_file *file, int from_tty,
char *current_directory;
/* The last command line executed on the console. Used for command
- repetitions. */
-char *saved_command_line;
+ repetitions when the user enters an empty line. */
+
+static char *saved_command_line;
+
+/* If not NULL, the arguments that should be passed if
+ saved_command_line is repeated. */
+
+static const char *repeat_arguments;
+
+/* The previous last command line executed on the console. Used for command
+ repetitions when a command wants to relaunch the previously launched
+ command. We need this as when a command is running, saved_command_line
+ already contains the line of the currently executing command. */
+
+static char *previous_saved_command_line;
+
+/* If not NULL, the arguments that should be passed if the
+ previous_saved_command_line is repeated. */
+
+static const char *previous_repeat_arguments;
/* Nonzero if the current command is modified by "server ". This
affects things like recording into the command history, commands
whatever) can issue its own commands and also send along commands
from the user, and have the user not notice that the user interface
is issuing commands too. */
-int server_command;
+bool server_command;
/* Timeout limit for response from target. */
int remote_timeout = 2;
-/* Non-zero tells remote* modules to output debugging info. */
-
-int remote_debug = 0;
-
/* Sbrk location on entry to main. Used for statistics only. */
#ifdef HAVE_USEFUL_SBRK
char *lim_at_start;
void (*deprecated_attach_hook) (void);
void (*deprecated_detach_hook) (void);
-/* Called during long calculations to allow GUI to repair window
- damage, and to check for stop buttons, etc... */
-
-void (*deprecated_interactive_hook) (void);
-
/* Called when going to wait for the target. Usually allows the GUI
to run while waiting for target events. */
static void
new_ui_command (const char *args, int from_tty)
{
- gdb_file_up stream[3];
- int i;
int argc;
const char *interpreter_name;
const char *tty_name;
{
scoped_restore save_ui = make_scoped_restore (¤t_ui);
- /* Open specified terminal, once for each of
- stdin/stdout/stderr. */
- for (i = 0; i < 3; i++)
- stream[i] = open_terminal_stream (tty_name);
+ /* Open specified terminal. Note: we used to open it three times,
+ once for each of stdin/stdout/stderr, but that does not work
+ with Windows named pipes. */
+ gdb_file_up stream = open_terminal_stream (tty_name);
std::unique_ptr<ui> ui
- (new struct ui (stream[0].get (), stream[1].get (), stream[2].get ()));
+ (new struct ui (stream.get (), stream.get (), stream.get ()));
ui->async = 1;
interp_pre_command_loop (top_level_interpreter ());
- /* Make sure the files are not closed. */
- stream[0].release ();
- stream[1].release ();
- stream[2].release ();
+ /* Make sure the file is not closed. */
+ stream.release ();
ui.release ();
}
while (ui->instream != NULL && !feof (ui->instream))
{
- char *command;
+ const char *command;
/* Get a command-line. This calls the readline package. */
command = command_line_input (NULL, NULL);
command_handler (command);
}
}
-\f
-void (*pre_init_ui_hook) (void);
#ifdef __MSDOS__
static void
{
if (language_mode == language_mode_auto && info_verbose)
{
- language_info (1); /* Print what changed. */
+ /* Print what changed. */
+ language_info ();
}
warned = 0;
}
&& flang != language_unknown
&& flang != current_language->la_language)
{
- printf_filtered ("%s\n", lang_frame_mismatch_warn);
+ printf_filtered ("%s\n", _(lang_frame_mismatch_warn));
warned = 1;
}
}
scoped_restore save_ui = make_scoped_restore (¤t_ui);
struct ui *ui = current_ui;
+ /* We're about to wait until the target stops after having resumed
+ it so must force-commit resumptions, in case we're being called
+ in some context where a scoped_disable_commit_resumed object is
+ active. I.e., this function is a commit-resumed sync/flush
+ point. */
+ scoped_enable_commit_resumed enable ("sync wait");
+
while (gdb_do_one_event () >= 0)
if (ui->prompt_state != PROMPT_BLOCKED)
break;
wait_sync_command_done ();
}
-/* If not NULL, the arguments that should be passed if the current
- command is repeated. */
-
-static const char *repeat_arguments;
-
/* See command.h. */
void
auto cleanup_if_error = make_scope_exit (bpstat_clear_actions);
scoped_value_mark cleanup = prepare_execute_command ();
- /* Force cleanup of any alloca areas if using C alloca instead of
- a builtin alloca. */
- alloca (0);
-
/* This can happen when command_line_input hits end of file. */
if (p == NULL)
{
{
const char *cmd = p;
const char *arg;
+ std::string default_args;
+ std::string default_args_and_arg;
int was_sync = current_ui->prompt_state == PROMPT_BLOCKED;
line = p;
/* If trace-commands is set then this will print this command. */
print_command_trace ("%s", p);
- c = lookup_cmd (&cmd, cmdlist, "", 0, 1);
+ c = lookup_cmd (&cmd, cmdlist, "", &default_args, 0, 1);
p = cmd;
scoped_restore save_repeat_args
= make_scoped_restore (&repeat_arguments, nullptr);
const char *args_pointer = p;
- /* Pass null arg rather than an empty one. */
- arg = *p ? p : 0;
+ if (!default_args.empty ())
+ {
+ if (*p != '\0')
+ default_args_and_arg = default_args + ' ' + p;
+ else
+ default_args_and_arg = default_args;
+ arg = default_args_and_arg.c_str ();
+ }
+ else
+ {
+ /* Pass null arg rather than an empty one. */
+ arg = *p == '\0' ? nullptr : p;
+ }
/* FIXME: cagney/2002-02-02: The c->type test is pretty dodgy
- while the is_complete_command(cfunc) test is just plain
- bogus. They should both be replaced by a test of the form
- c->strip_trailing_white_space_p. */
+ while the is_complete_command(cfunc) test is just plain
+ bogus. They should both be replaced by a test of the form
+ c->strip_trailing_white_space_p. */
/* NOTE: cagney/2002-02-02: The function.cfunc in the below
- can't be replaced with func. This is because it is the
- cfunc, and not the func, that has the value that the
- is_complete_command hack is testing for. */
+ can't be replaced with func. This is because it is the
+ cfunc, and not the func, that has the value that the
+ is_complete_command hack is testing for. */
/* Clear off trailing whitespace, except for set and complete
- command. */
+ command. */
std::string without_whitespace;
if (arg
&& c->type != set_cmd
execute_cmd_pre_hook (c);
if (c->deprecated_warn_user)
- deprecated_cmd_warning (line);
+ deprecated_cmd_warning (line, cmdlist);
/* c->user_commands would be NULL in the case of a python command. */
if (c->theclass == class_user && c->user_commands)
execute_user_command (c, arg);
+ else if (c->theclass == class_user
+ && c->is_prefix () && !c->allow_unknown)
+ /* If this is a user defined prefix that does not allow unknown
+ (in other words, C is a prefix command and not a command
+ that can be followed by its args), report the list of
+ subcommands. */
+ {
+ std::string prefixname = c->prefixname ();
+ std::string prefixname_no_space
+ = prefixname.substr (0, prefixname.length () - 1);
+ printf_unfiltered
+ ("\"%s\" must be followed by the name of a subcommand.\n",
+ prefixname_no_space.c_str ());
+ help_list (*c->subcommands, prefixname.c_str (), all_commands,
+ gdb_stdout);
+ }
else if (c->type == set_cmd)
do_set_command (arg, from_tty, c);
else if (c->type == show_cmd)
do_show_command (arg, from_tty, c);
- else if (!cmd_func_p (c))
+ else if (c->is_command_class_help ())
error (_("That is not a command, just a help topic."));
else if (deprecated_call_command_hook)
deprecated_call_command_hook (c, arg, from_tty);
cleanup_if_error.release ();
}
-/* Run execute_command for P and FROM_TTY. Capture its output into the
- returned string, do not display it to the screen. BATCH_FLAG will be
+/* Run execute_command for P and FROM_TTY. Sends its output to FILE,
+ do not display it to the screen. BATCH_FLAG will be
temporarily set to true. */
-std::string
-execute_command_to_string (const char *p, int from_tty)
+void
+execute_command_to_ui_file (struct ui_file *file, const char *p, int from_tty)
{
/* GDB_STDOUT should be better already restored during these
restoration callbacks. */
scoped_restore save_async = make_scoped_restore (¤t_ui->async, 0);
- string_file str_file;
-
{
- current_uiout->redirect (&str_file);
+ current_uiout->redirect (file);
ui_out_redirect_pop redirect_popper (current_uiout);
scoped_restore save_stdout
- = make_scoped_restore (&gdb_stdout, &str_file);
+ = make_scoped_restore (&gdb_stdout, file);
scoped_restore save_stderr
- = make_scoped_restore (&gdb_stderr, &str_file);
+ = make_scoped_restore (&gdb_stderr, file);
scoped_restore save_stdlog
- = make_scoped_restore (&gdb_stdlog, &str_file);
+ = make_scoped_restore (&gdb_stdlog, file);
scoped_restore save_stdtarg
- = make_scoped_restore (&gdb_stdtarg, &str_file);
+ = make_scoped_restore (&gdb_stdtarg, file);
scoped_restore save_stdtargerr
- = make_scoped_restore (&gdb_stdtargerr, &str_file);
+ = make_scoped_restore (&gdb_stdtargerr, file);
execute_command (p, from_tty);
}
+}
+
+/* See gdbcmd.h. */
+
+std::string
+execute_command_to_string (const char *p, int from_tty,
+ bool term_out)
+{
+ string_file str_file (term_out);
+ execute_command_to_ui_file (&str_file, p, from_tty);
return std::move (str_file.string ());
}
static int suppress_dont_repeat = 0;
-/* Commands call this if they do not want to be repeated by null lines. */
+/* See command.h */
void
dont_repeat (void)
thing read from stdin in line and don't want to delete it. Null
lines won't repeat here in any case. */
if (ui->instream == ui->stdin_stream)
- *saved_command_line = 0;
+ {
+ *saved_command_line = 0;
+ repeat_arguments = NULL;
+ }
}
-/* Prevent dont_repeat from working, and return a cleanup that
- restores the previous state. */
+/* See command.h */
+
+const char *
+repeat_previous ()
+{
+ /* Do not repeat this command, as this command is a repeating command. */
+ dont_repeat ();
+
+ /* We cannot free saved_command_line, as this line is being executed,
+ so swap it with previous_saved_command_line. */
+ std::swap (previous_saved_command_line, saved_command_line);
+ std::swap (previous_repeat_arguments, repeat_arguments);
+
+ const char *prev = skip_spaces (get_saved_command_line ());
+ if (*prev == '\0')
+ error (_("No previous command to relaunch"));
+ return prev;
+}
+
+/* See command.h. */
scoped_restore_tmpl<int>
prevent_dont_repeat (void)
return make_scoped_restore (&suppress_dont_repeat, 1);
}
+/* See command.h. */
+
+char *
+get_saved_command_line ()
+{
+ return saved_command_line;
+}
+
+/* See command.h. */
+
+void
+save_command_line (const char *cmd)
+{
+ xfree (previous_saved_command_line);
+ previous_saved_command_line = saved_command_line;
+ previous_repeat_arguments = repeat_arguments;
+ saved_command_line = xstrdup (cmd);
+ repeat_arguments = NULL;
+}
+
\f
/* Read a line from the stream "instream" without command line editing.
if (prompt != NULL)
{
/* Don't use a _filtered function here. It causes the assumed
- character position to be off, since the newline we read from
- the user is not accounted for. */
+ character position to be off, since the newline we read from
+ the user is not accounted for. */
fputs_unfiltered (prompt, gdb_stdout);
gdb_flush (gdb_stdout);
}
/* Variables which control command line editing and history
substitution. These variables are given default values at the end
of this file. */
-static int command_editing_p;
+static bool command_editing_p;
/* NOTE 1999-04-29: This variable will be static again, once we modify
gdb to use the event loop as the default command loop and we merge
event-top.c into this file, top.c. */
-/* static */ int history_expansion_p;
+/* static */ bool history_expansion_p;
-static int write_history_p;
+/* Should we write out the command history on exit? In order to write out
+ the history both this flag must be true, and the history_filename
+ variable must be set to something sensible. */
+static bool write_history_p;
+
+/* Implement 'show history save'. */
static void
show_write_history_p (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
- fprintf_filtered (file, _("Saving of the history record on exit is %s.\n"),
- value);
+ if (!write_history_p || !history_filename_empty ())
+ fprintf_filtered (file, _("Saving of the history record on exit is %s.\n"),
+ value);
+ else
+ fprintf_filtered (file, _("Saving of the history is disabled due to "
+ "the value of 'history filename'.\n"));
}
/* The variable associated with the "set/show history size"
value);
}
+/* The name of the file in which GDB history will be written. If this is
+ set to NULL, of the empty string then history will not be written. */
static char *history_filename;
+
+/* Return true if the history_filename is either NULL or the empty string,
+ indicating that we should not try to read, nor write out the history. */
+static bool
+history_filename_empty (void)
+{
+ return (history_filename == nullptr || *history_filename == '\0');
+}
+
+/* Implement 'show history filename'. */
static void
show_history_filename (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
- fprintf_filtered (file, _("The filename in which to record "
- "the command history is \"%s\".\n"),
- value);
+ if (!history_filename_empty ())
+ fprintf_filtered (file, _("The filename in which to record "
+ "the command history is \"%ps\".\n"),
+ styled_string (file_name_style.style (), value));
+ else
+ fprintf_filtered (file, _("There is no filename currently set for "
+ "recording the command history in.\n"));
}
/* This is like readline(), but it has some gdb-specific behavior.
saved_errno = errno;
if (ret < 0 && saved_errno != ENOENT)
{
- warning (_("Could not rename %s to %s: %s"),
- history_filename, local_history_filename.c_str (),
+ warning (_("Could not rename %ps to %ps: %s"),
+ styled_string (file_name_style.style (), history_filename),
+ styled_string (file_name_style.style (),
+ local_history_filename.c_str ()),
safe_strerror (saved_errno));
}
else
ret = rename (local_history_filename.c_str (), history_filename);
saved_errno = errno;
if (ret < 0 && saved_errno != EEXIST)
- warning (_("Could not rename %s to %s: %s"),
+ warning (_("Could not rename %s to %s: %s"),
local_history_filename.c_str (), history_filename,
safe_strerror (saved_errno));
}
This routine either uses fancy command line editing or simple input
as the user has requested. */
-char *
+const char *
command_line_input (const char *prompt_arg, const char *annotation_suffix)
{
static struct buffer cmd_line_buffer;
gdb::unique_xmalloc_ptr<char> rl;
/* Make sure that all output has been output. Some machines may
- let you get away with leaving out some of the gdb_flush, but
- not all. */
+ let you get away with leaving out some of the gdb_flush, but
+ not all. */
wrap_here ("");
gdb_flush (gdb_stdout);
gdb_flush (gdb_stderr);
program to parse, and is just canonical program name and version
number, which starts after last space. */
- ui_file_style style;
- if (interactive)
- {
- ui_file_style nstyle = { ui_file_style::MAGENTA, ui_file_style::NONE,
- ui_file_style::BOLD };
- style = nstyle;
- }
- fprintf_styled (stream, style, "GNU gdb %s%s\n", PKGVERSION, version);
+ std::string v_str = string_printf ("GNU gdb %s%s", PKGVERSION, version);
+ fprintf_filtered (stream, "%ps\n",
+ styled_string (version_style.style (), v_str.c_str ()));
/* Second line is a copyright notice. */
fprintf_filtered (stream,
- "Copyright (C) 2019 Free Software Foundation, Inc.\n");
+ "Copyright (C) 2021 Free Software Foundation, Inc.\n");
/* Following the copyright is a brief statement that the program is
free software, that users are free to copy and change it on
This GDB was configured as follows:\n\
configure --host=%s --target=%s\n\
"), host_name, target_name);
+
fprintf_filtered (stream, _("\
- --with-auto-load-dir=%s\n\
- --with-auto-load-safe-path=%s\n\
+ --with-auto-load-dir=%s\n\
+ --with-auto-load-safe-path=%s\n\
"), AUTO_LOAD_DIR, AUTO_LOAD_SAFE_PATH);
+
#if HAVE_LIBEXPAT
fprintf_filtered (stream, _("\
- --with-expat\n\
+ --with-expat\n\
"));
#else
fprintf_filtered (stream, _("\
- --without-expat\n\
+ --without-expat\n\
"));
#endif
+
if (GDB_DATADIR[0])
fprintf_filtered (stream, _("\
- --with-gdb-datadir=%s%s\n\
+ --with-gdb-datadir=%s%s\n\
"), GDB_DATADIR, GDB_DATADIR_RELOCATABLE ? " (relocatable)" : "");
+
#ifdef ICONV_BIN
fprintf_filtered (stream, _("\
- --with-iconv-bin=%s%s\n\
+ --with-iconv-bin=%s%s\n\
"), ICONV_BIN, ICONV_BIN_RELOCATABLE ? " (relocatable)" : "");
#endif
+
if (JIT_READER_DIR[0])
fprintf_filtered (stream, _("\
- --with-jit-reader-dir=%s%s\n\
+ --with-jit-reader-dir=%s%s\n\
"), JIT_READER_DIR, JIT_READER_DIR_RELOCATABLE ? " (relocatable)" : "");
+
#if HAVE_LIBUNWIND_IA64_H
fprintf_filtered (stream, _("\
- --with-libunwind-ia64\n\
+ --with-libunwind-ia64\n\
"));
#else
fprintf_filtered (stream, _("\
- --without-libunwind-ia64\n\
+ --without-libunwind-ia64\n\
"));
#endif
+
#if HAVE_LIBLZMA
fprintf_filtered (stream, _("\
- --with-lzma\n\
+ --with-lzma\n\
"));
#else
fprintf_filtered (stream, _("\
- --without-lzma\n\
+ --without-lzma\n\
"));
#endif
+
#if HAVE_LIBBABELTRACE
- fprintf_filtered (stream, _("\
- --with-babeltrace\n\
+ fprintf_filtered (stream, _("\
+ --with-babeltrace\n\
"));
#else
- fprintf_filtered (stream, _("\
- --without-babeltrace\n\
+ fprintf_filtered (stream, _("\
+ --without-babeltrace\n\
"));
#endif
+
#if HAVE_LIBIPT
- fprintf_filtered (stream, _("\
- --with-intel-pt\n\
+ fprintf_filtered (stream, _("\
+ --with-intel-pt\n\
"));
#else
- fprintf_filtered (stream, _("\
- --without-intel-pt\n\
+ fprintf_filtered (stream, _("\
+ --without-intel-pt\n\
"));
#endif
-#if HAVE_LIBMCHECK
- fprintf_filtered (stream, _("\
- --enable-libmcheck\n\
+
+#if HAVE_LIBMPFR
+ fprintf_filtered (stream, _("\
+ --with-mpfr\n\
"));
#else
- fprintf_filtered (stream, _("\
- --disable-libmcheck\n\
+ fprintf_filtered (stream, _("\
+ --without-mpfr\n\
"));
#endif
-#if HAVE_LIBMPFR
- fprintf_filtered (stream, _("\
- --with-mpfr\n\
+#if HAVE_LIBXXHASH
+ fprintf_filtered (stream, _("\
+ --with-xxhash\n\
"));
#else
- fprintf_filtered (stream, _("\
- --without-mpfr\n\
+ fprintf_filtered (stream, _("\
+ --without-xxhash\n\
"));
#endif
#ifdef WITH_PYTHON_PATH
fprintf_filtered (stream, _("\
- --with-python=%s%s\n\
+ --with-python=%s%s\n\
"), WITH_PYTHON_PATH, PYTHON_PATH_RELOCATABLE ? " (relocatable)" : "");
#else
fprintf_filtered (stream, _("\
- --without-python\n\
+ --without-python\n\
"));
#endif
+#ifdef WITH_PYTHON_LIBDIR
+ fprintf_filtered (stream, _("\
+ --with-python-libdir=%s%s\n\
+"), WITH_PYTHON_LIBDIR, PYTHON_LIBDIR_RELOCATABLE ? " (relocatable)" : "");
+#else
+ fprintf_filtered (stream, _("\
+ --without-python-libdir\n\
+"));
+#endif
+
+#if HAVE_LIBDEBUGINFOD
+ fprintf_filtered (stream, _("\
+ --with-debuginfod\n\
+"));
+#else
+ fprintf_filtered (stream, _("\
+ --without-debuginfod\n\
+"));
+#endif
+
#if HAVE_GUILE
fprintf_filtered (stream, _("\
- --with-guile\n\
+ --with-guile\n\
"));
#else
fprintf_filtered (stream, _("\
- --without-guile\n\
+ --without-guile\n\
"));
#endif
+
+#if HAVE_SOURCE_HIGHLIGHT
+ fprintf_filtered (stream, _("\
+ --enable-source-highlight\n\
+"));
+#else
+ fprintf_filtered (stream, _("\
+ --disable-source-highlight\n\
+"));
+#endif
+
#ifdef RELOC_SRCDIR
fprintf_filtered (stream, _("\
- --with-relocated-sources=%s\n\
+ --with-relocated-sources=%s\n\
"), RELOC_SRCDIR);
#endif
+
if (DEBUGDIR[0])
fprintf_filtered (stream, _("\
- --with-separate-debug-dir=%s%s\n\
+ --with-separate-debug-dir=%s%s\n\
"), DEBUGDIR, DEBUGDIR_RELOCATABLE ? " (relocatable)" : "");
+
if (TARGET_SYSTEM_ROOT[0])
fprintf_filtered (stream, _("\
- --with-sysroot=%s%s\n\
+ --with-sysroot=%s%s\n\
"), TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT_RELOCATABLE ? " (relocatable)" : "");
+
if (SYSTEM_GDBINIT[0])
fprintf_filtered (stream, _("\
- --with-system-gdbinit=%s%s\n\
+ --with-system-gdbinit=%s%s\n\
"), SYSTEM_GDBINIT, SYSTEM_GDBINIT_RELOCATABLE ? " (relocatable)" : "");
- /* We assume "relocatable" will be printed at least once, thus we always
- print this text. It's a reasonably safe assumption for now. */
- fprintf_filtered (stream, _("\n\
+
+ if (SYSTEM_GDBINIT_DIR[0])
+ fprintf_filtered (stream, _("\
+ --with-system-gdbinit-dir=%s%s\n\
+"), SYSTEM_GDBINIT_DIR, SYSTEM_GDBINIT_DIR_RELOCATABLE ? " (relocatable)" : "");
+
+ /* We assume "relocatable" will be printed at least once, thus we always
+ print this text. It's a reasonably safe assumption for now. */
+ fprintf_filtered (stream, _("\n\
(\"Relocatable\" means the directory can be moved with the GDB installation\n\
tree, and GDB will still find it.)\n\
"));
}
\f
-struct qt_args
-{
- int from_tty;
-};
-
-/* Callback for iterate_over_inferiors. Kills or detaches the given
- inferior, depending on how we originally gained control of it. */
+/* Kills or detaches the given inferior, depending on how we originally
+ gained control of it. */
-static int
-kill_or_detach (struct inferior *inf, void *args)
+static void
+kill_or_detach (inferior *inf, int from_tty)
{
- struct qt_args *qt = (struct qt_args *) args;
-
if (inf->pid == 0)
- return 0;
+ return;
thread_info *thread = any_thread_of_inferior (inf);
if (thread != NULL)
switch_to_thread (thread);
/* Leave core files alone. */
- if (target_has_execution)
+ if (target_has_execution ())
{
if (inf->attach_flag)
- target_detach (inf, qt->from_tty);
+ target_detach (inf, from_tty);
else
target_kill ();
}
}
-
- return 0;
}
-/* Callback for iterate_over_inferiors. Prints info about what GDB
- will do to each inferior on a "quit". ARG points to a struct
- ui_out where output is to be collected. */
+/* Prints info about what GDB will do to inferior INF on a "quit". OUT is
+ where to collect the output. */
-static int
-print_inferior_quit_action (struct inferior *inf, void *arg)
+static void
+print_inferior_quit_action (inferior *inf, ui_file *out)
{
- struct ui_file *stb = (struct ui_file *) arg;
-
if (inf->pid == 0)
- return 0;
+ return;
if (inf->attach_flag)
- fprintf_filtered (stb,
+ fprintf_filtered (out,
_("\tInferior %d [%s] will be detached.\n"), inf->num,
target_pid_to_str (ptid_t (inf->pid)).c_str ());
else
- fprintf_filtered (stb,
+ fprintf_filtered (out,
_("\tInferior %d [%s] will be killed.\n"), inf->num,
target_pid_to_str (ptid_t (inf->pid)).c_str ());
-
- return 0;
}
/* If necessary, make the user confirm that we should quit. Return
string_file stb;
stb.puts (_("A debugging session is active.\n\n"));
- iterate_over_inferiors (print_inferior_quit_action, &stb);
+
+ for (inferior *inf : all_inferiors ())
+ print_inferior_quit_action (inf, &stb);
+
stb.puts (_("\nQuit anyway? "));
return query ("%s", stb.c_str ());
quit_force (int *exit_arg, int from_tty)
{
int exit_code = 0;
- struct qt_args qt;
undo_terminal_modifications_before_exit ();
else if (return_child_result)
exit_code = return_child_result_value;
- qt.from_tty = from_tty;
-
/* We want to handle any quit errors and exit regardless. */
/* Get out of tfind mode, and kill or detach all inferiors. */
try
{
disconnect_tracing ();
- iterate_over_inferiors (kill_or_detach, &qt);
+ for (inferior *inf : all_inferiors ())
+ kill_or_detach (inf, from_tty);
}
catch (const gdb_exception &ex)
{
/* Give all pushed targets a chance to do minimal cleanup, and pop
them all out. */
- try
+ for (inferior *inf : all_inferiors ())
{
- pop_all_targets ();
- }
- catch (const gdb_exception &ex)
- {
- exception_print (gdb_stderr, ex);
+ switch_to_inferior_no_thread (inf);
+ try
+ {
+ pop_all_targets ();
+ }
+ catch (const gdb_exception &ex)
+ {
+ exception_print (gdb_stderr, ex);
+ }
}
/* Save the history information if it is appropriate to do so. */
{
if (write_history_p && history_filename)
{
- struct ui *ui;
int save = 0;
/* History is currently shared between all UIs. If there's
any UI with a terminal, save history. */
- ALL_UIS (ui)
+ for (ui *ui : all_uis ())
{
if (input_interactive_p (ui))
{
static void
show_interactive_mode (struct ui_file *file, int from_tty,
- struct cmd_list_element *c,
- const char *value)
+ struct cmd_list_element *c,
+ const char *value)
{
if (interactive_mode == AUTO_BOOLEAN_AUTO)
fprintf_filtered (file, "Debugger's interactive mode "
- "is %s (currently %s).\n",
- value, input_interactive_p (current_ui) ? "on" : "off");
+ "is %s (currently %s).\n",
+ value, input_interactive_p (current_ui) ? "on" : "off");
else
fprintf_filtered (file, "Debugger's interactive mode is %s.\n", value);
}
set_readline_history_size (history_size_setshow_var);
}
-void
-set_history (const char *args, int from_tty)
-{
- printf_unfiltered (_("\"set history\" must be followed "
- "by the name of a history subcommand.\n"));
- help_list (sethistlist, "set history ", all_commands, gdb_stdout);
-}
-
-void
-show_history (const char *args, int from_tty)
-{
- cmd_show_list (showhistlist, from_tty, "");
-}
-
-int info_verbose = 0; /* Default verbose msgs off. */
+bool info_verbose = false; /* Default verbose msgs off. */
/* Called by do_set_command. An elaborate joke. */
void
const char *cmdname = "verbose";
struct cmd_list_element *showcmd;
- showcmd = lookup_cmd_1 (&cmdname, showlist, NULL, 1);
+ showcmd = lookup_cmd_1 (&cmdname, showlist, NULL, NULL, 1);
gdb_assert (showcmd != NULL && showcmd != CMD_LIST_AMBIGUOUS);
if (c->doc && c->doc_allocated)
set_readline_history_size (history_size_setshow_var);
tmpenv = getenv ("GDBHISTFILE");
- if (tmpenv)
+ if (tmpenv != nullptr)
history_filename = xstrdup (tmpenv);
- else if (!history_filename)
+ else if (history_filename == nullptr)
{
/* We include the current directory so that if the user changes
- directories the file written will be the same as the one
- that was read. */
+ directories the file written will be the same as the one
+ that was read. */
#ifdef __MSDOS__
/* No leading dots in file names are allowed on MSDOS. */
- history_filename = concat (current_directory, "/_gdb_history",
- (char *)NULL);
+ const char *fname = "_gdb_history";
#else
- history_filename = concat (current_directory, "/.gdb_history",
- (char *)NULL);
+ const char *fname = ".gdb_history";
#endif
+
+ gdb::unique_xmalloc_ptr<char> temp (gdb_abspath (fname));
+ history_filename = temp.release ();
}
- read_history (history_filename);
+
+ if (!history_filename_empty ())
+ read_history (history_filename);
}
static void
value);
}
-/* New values of the "data-directory" parameter are staged here. */
+/* New values of the "data-directory" parameter are staged here.
+ Extension languages, for example Python's gdb.parameter API, will read
+ the value directory from this variable, so we must ensure that this
+ always contains the correct value. */
static char *staged_gdb_datadir;
/* "set" command for the gdb_datadir configuration variable. */
set_gdb_datadir (const char *args, int from_tty, struct cmd_list_element *c)
{
set_gdb_data_directory (staged_gdb_datadir);
+
+ /* SET_GDB_DATA_DIRECTORY will resolve relative paths in
+ STAGED_GDB_DATADIR, so we now copy the value from GDB_DATADIR
+ back into STAGED_GDB_DATADIR so the extension languages can read the
+ correct value. */
+ free (staged_gdb_datadir);
+ staged_gdb_datadir = strdup (gdb_datadir.c_str ());
+
gdb::observers::gdb_datadir_changed.notify ();
}
show_gdb_datadir (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
- fprintf_filtered (file, _("GDB's data directory is \"%s\".\n"),
- gdb_datadir);
+ fprintf_filtered (file, _("GDB's data directory is \"%ps\".\n"),
+ styled_string (file_name_style.style (),
+ gdb_datadir.c_str ()));
}
+/* Implement 'set history filename'. */
+
static void
set_history_filename (const char *args,
int from_tty, struct cmd_list_element *c)
/* We include the current directory so that if the user changes
directories the file written will be the same as the one
that was read. */
- if (!IS_ABSOLUTE_PATH (history_filename))
- history_filename = reconcat (history_filename, current_directory, "/",
- history_filename, (char *) NULL);
+ if (!history_filename_empty () && !IS_ABSOLUTE_PATH (history_filename))
+ {
+ gdb::unique_xmalloc_ptr<char> temp (gdb_abspath (history_filename));
+
+ xfree (history_filename);
+ history_filename = temp.release ();
+ }
+}
+
+/* Whether we're in quiet startup mode. */
+
+static bool startup_quiet;
+
+/* See top.h. */
+
+bool
+check_quiet_mode ()
+{
+ return startup_quiet;
+}
+
+/* Show whether GDB should start up in quiet mode. */
+
+static void
+show_startup_quiet (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c, const char *value)
+{
+ fprintf_filtered (file, _("Whether to start up quietly is %s.\n"),
+ value);
}
static void
add_setshow_string_cmd ("prompt", class_support,
&top_prompt,
- _("Set gdb's prompt"),
- _("Show gdb's prompt"),
+ _("Set gdb's prompt."),
+ _("Show gdb's prompt."),
NULL, NULL,
show_prompt,
&setlist, &showlist);
add_setshow_zuinteger_unlimited_cmd ("size", no_class,
&history_size_setshow_var, _("\
-Set the size of the command history,"), _("\
-Show the size of the command history,"), _("\
-ie. the number of previous commands to keep a record of.\n\
+Set the size of the command history."), _("\
+Show the size of the command history."), _("\
+This is the number of previous commands to keep a record of.\n\
If set to \"unlimited\", the number of commands kept in the history\n\
list is unlimited. This defaults to the value of the environment\n\
variable \"GDBHISTSIZE\", or to 256 if this variable is not set."),
show_history_remove_duplicates,
&sethistlist, &showhistlist);
- add_setshow_filename_cmd ("filename", no_class, &history_filename, _("\
-Set the filename in which to record the command history"), _("\
-Show the filename in which to record the command history"), _("\
+ add_setshow_optional_filename_cmd ("filename", no_class, &history_filename, _("\
+Set the filename in which to record the command history."), _("\
+Show the filename in which to record the command history."), _("\
(the list of previous commands of which a record is kept)."),
set_history_filename,
show_history_filename,
&setlist, &showlist);
add_setshow_filename_cmd ("data-directory", class_maintenance,
- &staged_gdb_datadir, _("Set GDB's data directory."),
- _("Show GDB's data directory."),
- _("\
+ &staged_gdb_datadir, _("Set GDB's data directory."),
+ _("Show GDB's data directory."),
+ _("\
When set, GDB uses the specified path to search for data files."),
- set_gdb_datadir, show_gdb_datadir,
- &setlist,
- &showlist);
+ set_gdb_datadir, show_gdb_datadir,
+ &setlist,
+ &showlist);
+ /* Prime the initial value for data-directory. */
+ staged_gdb_datadir = strdup (gdb_datadir.c_str ());
add_setshow_auto_boolean_cmd ("interactive-mode", class_support,
- &interactive_mode, _("\
+ &interactive_mode, _("\
Set whether GDB's standard input is a terminal."), _("\
Show whether GDB's standard input is a terminal."), _("\
If on, GDB assumes that standard input is a terminal. In practice, it\n\
input is not a terminal, and uses the default answer to all queries.\n\
If auto (the default), determine which mode to use based on the standard\n\
input settings."),
- NULL,
- show_interactive_mode,
- &setlist, &showlist);
+ NULL,
+ show_interactive_mode,
+ &setlist, &showlist);
+
+ add_setshow_boolean_cmd ("startup-quietly", class_support,
+ &startup_quiet, _("\
+Set whether GDB should start up quietly."), _(" \
+Show whether GDB should start up quietly."), _("\
+This setting will not affect the current session. Instead this command\n\
+should be added to the .gdbearlyinit file in the users home directory to\n\
+affect future GDB sessions."),
+ NULL,
+ show_startup_quiet,
+ &setlist, &showlist);
c = add_cmd ("new-ui", class_support, new_ui_command, _("\
-Create a new UI. It takes two arguments:\n\
+Create a new UI.\n\
+Usage: new-ui INTERPRETER TTY\n\
The first argument is the name of the interpreter to run.\n\
-The second argument is the terminal the UI runs on.\n"), &cmdlist);
+The second argument is the terminal the UI runs on."), &cmdlist);
set_cmd_completer (c, interpreter_completer);
}
+/* See top.h. */
+
void
-gdb_init (char *argv0)
+gdb_init ()
{
- if (pre_init_ui_hook)
- pre_init_ui_hook ();
+ saved_command_line = xstrdup ("");
+ previous_saved_command_line = xstrdup ("");
/* Run the init function of each source file. */
#endif
init_cmd_lists (); /* This needs to be done first. */
- initialize_targets (); /* Setup target_terminal macros for utils.c. */
- initialize_utils (); /* Make errors and warnings possible. */
init_page_info ();
initialize_progspace ();
initialize_inferiors ();
initialize_current_architecture ();
- init_cli_cmds();
init_main (); /* But that omits this file! Do it now. */
initialize_stdin_serial ();
set_language (language_c);
expected_language = current_language; /* Don't warn about the change. */
- /* Python initialization, for example, can require various commands to be
- installed. For example "info pretty-printer" needs the "info"
- prefix to be installed. Keep things simple and just do final
- script initialization here. */
- finish_ext_lang_initialization ();
-
/* Create $_gdb_major and $_gdb_minor convenience variables. */
init_gdb_version_vars ();
}
projects / deliverable / binutils-gdb.git / blobdiff