/* GDB CLI commands.
- Copyright 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+ Copyright (C) 2000-2019 Free Software Foundation, Inc.
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
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
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. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
+#include "arch-utils.h"
#include "readline/readline.h"
#include "readline/tilde.h"
#include "completer.h"
-#include "target.h" /* For baud_rate, remote_debug and remote_timeout */
-#include "gdb_wait.h" /* For shell escape implementation */
-#include "gdb_regex.h" /* Used by apropos_command */
-#include "gdb_string.h"
+#include "target.h" /* For baud_rate, remote_debug and remote_timeout. */
+#include "common/gdb_wait.h" /* For shell escape implementation. */
+#include "gdb_regex.h" /* Used by apropos_command. */
#include "gdb_vfork.h"
#include "linespec.h"
#include "expression.h"
#include "frame.h"
#include "value.h"
#include "language.h"
-#include "filenames.h" /* for DOSish file names */
+#include "filenames.h" /* For DOSish file names. */
#include "objfiles.h"
#include "source.h"
#include "disasm.h"
+#include "tracepoint.h"
+#include "common/filestuff.h"
+#include "location.h"
+#include "block.h"
#include "ui-out.h"
#include "cli/cli-script.h"
#include "cli/cli-setshow.h"
#include "cli/cli-cmds.h"
+#include "cli/cli-utils.h"
-#ifdef TUI
-#include "tui/tui.h" /* For tui_active et.al. */
-#endif
+#include "extension.h"
+#include "common/pathstuff.h"
-#ifndef GDBINIT_FILENAME
-#define GDBINIT_FILENAME ".gdbinit"
+#ifdef TUI
+#include "tui/tui.h" /* For tui_active et.al. */
#endif
-/* Prototypes for local command functions */
-
-static void complete_command (char *, int);
-
-static void echo_command (char *, int);
-
-static void pwd_command (char *, int);
-
-static void show_version (char *, int);
-
-static void help_command (char *, int);
-
-static void show_command (char *, int);
-
-static void info_command (char *, int);
-
-static void show_debug (char *, int);
-
-static void set_debug (char *, int);
-
-static void show_user (char *, int);
+#include <fcntl.h>
+#include <algorithm>
+#include <string>
-static void make_command (char *, int);
-
-static void shell_escape (char *, int);
-
-static void edit_command (char *, int);
+/* Prototypes for local utility functions */
-static void list_command (char *, int);
+static void print_sal_location (const symtab_and_line &sal);
-void apropos_command (char *, int);
+static void ambiguous_line_spec (gdb::array_view<const symtab_and_line> sals,
+ const char *format, ...)
+ ATTRIBUTE_PRINTF (2, 3);
-/* Prototypes for local utility functions */
+static void filter_sals (std::vector<symtab_and_line> &);
-static void ambiguous_line_spec (struct symtabs_and_lines *);
\f
/* Limit the call depth of user-defined commands */
-int max_user_call_depth;
+unsigned int max_user_call_depth;
/* Define all cmd_list_elements. */
struct cmd_list_element *infolist;
-/* Chain containing all defined enable subcommands. */
+/* Chain containing all defined enable subcommands. */
struct cmd_list_element *enablelist;
-/* Chain containing all defined disable subcommands. */
+/* Chain containing all defined disable subcommands. */
struct cmd_list_element *disablelist;
-/* Chain containing all defined toggle subcommands. */
-
-struct cmd_list_element *togglelist;
-
-/* Chain containing all defined stop subcommands. */
+/* Chain containing all defined stop subcommands. */
struct cmd_list_element *stoplist;
-/* Chain containing all defined delete subcommands. */
+/* Chain containing all defined delete subcommands. */
struct cmd_list_element *deletelist;
-/* Chain containing all defined "enable breakpoint" subcommands. */
+/* Chain containing all defined detach subcommands. */
-struct cmd_list_element *enablebreaklist;
+struct cmd_list_element *detachlist;
+
+/* Chain containing all defined kill subcommands. */
+
+struct cmd_list_element *killlist;
/* Chain containing all defined set subcommands */
struct cmd_list_element *unsethistlist;
-/* Chain containing all defined maintenance subcommands. */
+/* Chain containing all defined maintenance subcommands. */
struct cmd_list_element *maintenancelist;
-/* Chain containing all defined "maintenance info" subcommands. */
+/* Chain containing all defined "maintenance info" subcommands. */
struct cmd_list_element *maintenanceinfolist;
-/* Chain containing all defined "maintenance print" subcommands. */
+/* Chain containing all defined "maintenance print" subcommands. */
struct cmd_list_element *maintenanceprintlist;
+/* Chain containing all defined "maintenance check" subcommands. */
+
+struct cmd_list_element *maintenancechecklist;
+
struct cmd_list_element *setprintlist;
struct cmd_list_element *showprintlist;
struct cmd_list_element *setchecklist;
struct cmd_list_element *showchecklist;
+
+/* Command tracing state. */
+
+int source_verbose = 0;
+int trace_commands = 0;
+\f
+/* 'script-extension' option support. */
+
+static const char script_ext_off[] = "off";
+static const char script_ext_soft[] = "soft";
+static const char script_ext_strict[] = "strict";
+
+static const char *const script_ext_enums[] = {
+ script_ext_off,
+ script_ext_soft,
+ script_ext_strict,
+ NULL
+};
+
+static const char *script_ext_mode = script_ext_soft;
\f
/* Utility used everywhere when at least one argument is needed and
- none is supplied. */
+ none is supplied. */
void
-error_no_arg (char *why)
+error_no_arg (const char *why)
{
error (_("Argument required (%s)."), why);
}
/* The "info" command is defined as a prefix, with allow_unknown = 0.
- Therefore, its own definition is called only for "info" with no args. */
+ Therefore, its own definition is called only for "info" with no
+ args. */
static void
-info_command (char *arg, int from_tty)
+info_command (const char *arg, int from_tty)
{
- printf_unfiltered (_("\"info\" must be followed by the name of an info command.\n"));
- help_list (infolist, "info ", -1, gdb_stdout);
+ printf_unfiltered (_("\"info\" must be followed by "
+ "the name of an info command.\n"));
+ help_list (infolist, "info ", all_commands, gdb_stdout);
}
/* The "show" command with no arguments shows all the settings. */
static void
-show_command (char *arg, int from_tty)
+show_command (const char *arg, int from_tty)
{
cmd_show_list (showlist, from_tty, "");
}
+
\f
/* Provide documentation on command or list given by COMMAND. FROM_TTY
is ignored. */
static void
-help_command (char *command, int from_tty)
+help_command (const char *command, int from_tty)
{
help_cmd (command, gdb_stdout);
}
\f
-/* String compare function for qsort. */
-static int
-compare_strings (const void *arg1, const void *arg2)
-{
- const char **s1 = (const char **) arg1;
- const char **s2 = (const char **) arg2;
- return strcmp (*s1, *s2);
-}
-/* The "complete" command is used by Emacs to implement completion. */
+/* Note: The "complete" command is used by Emacs to implement completion.
+ [Is that why this function writes output with *_unfiltered?] */
static void
-complete_command (char *arg, int from_tty)
+complete_command (const char *arg, int from_tty)
{
- int i;
- int argpoint;
- char **completions, *point, *arg_prefix;
-
dont_repeat ();
- if (arg == NULL)
- arg = "";
- argpoint = strlen (arg);
-
- /* complete_line assumes that its first argument is somewhere within,
- and except for filenames at the beginning of, the word to be completed.
- The following crude imitation of readline's word-breaking tries to
- accomodate this. */
- point = arg + argpoint;
- while (point > arg)
+ if (max_completions == 0)
{
- if (strchr (rl_completer_word_break_characters, point[-1]) != 0)
- break;
- point--;
+ /* Only print this for non-mi frontends. An MI frontend may not
+ be able to handle this. */
+ if (!current_uiout->is_mi_like_p ())
+ {
+ printf_unfiltered (_("max-completions is zero,"
+ " completion is disabled.\n"));
+ }
+ return;
}
- arg_prefix = alloca (point - arg + 1);
- memcpy (arg_prefix, arg, point - arg);
- arg_prefix[point - arg] = 0;
+ if (arg == NULL)
+ arg = "";
- completions = complete_line (point, arg, argpoint);
+ int quote_char = '\0';
+ const char *word;
- if (completions)
- {
- int item, size;
+ completion_result result = complete (arg, &word, "e_char);
- for (size = 0; completions[size]; ++size)
- ;
- qsort (completions, size, sizeof (char *), compare_strings);
+ std::string arg_prefix (arg, word - arg);
- /* We do extra processing here since we only want to print each
- unique item once. */
- item = 0;
- while (item < size)
+ if (result.number_matches != 0)
+ {
+ if (result.number_matches == 1)
+ printf_unfiltered ("%s%s\n", arg_prefix.c_str (), result.match_list[0]);
+ else
{
- int next_item;
- printf_unfiltered ("%s%s\n", arg_prefix, completions[item]);
- next_item = item + 1;
- while (next_item < size
- && ! strcmp (completions[item], completions[next_item]))
+ result.sort_match_list ();
+
+ for (size_t i = 0; i < result.number_matches; i++)
{
- xfree (completions[next_item]);
- ++next_item;
+ printf_unfiltered ("%s%s",
+ arg_prefix.c_str (),
+ result.match_list[i + 1]);
+ if (quote_char)
+ printf_unfiltered ("%c", quote_char);
+ printf_unfiltered ("\n");
}
-
- xfree (completions[item]);
- item = next_item;
}
- xfree (completions);
+ if (result.number_matches == max_completions)
+ {
+ /* ARG_PREFIX and WORD are included in the output so that emacs
+ will include the message in the output. */
+ printf_unfiltered (_("%s%s %s\n"),
+ arg_prefix.c_str (), word,
+ get_max_completions_reached_message ());
+ }
}
}
}
static void
-show_version (char *args, int from_tty)
+show_version (const char *args, int from_tty)
{
- immediate_quit++;
- print_gdb_version (gdb_stdout);
+ print_gdb_version (gdb_stdout, true);
printf_filtered ("\n");
- immediate_quit--;
+}
+
+static void
+show_configuration (const char *args, int from_tty)
+{
+ print_gdb_configuration (gdb_stdout);
}
/* Handle the quit command. */
void
-quit_command (char *args, int from_tty)
+quit_command (const char *args, int from_tty)
{
+ int exit_code = 0;
+
+ /* An optional expression may be used to cause gdb to terminate with
+ the value of that expression. */
+ if (args)
+ {
+ struct value *val = parse_and_eval (args);
+
+ exit_code = (int) value_as_long (val);
+ }
+
if (!quit_confirm ())
error (_("Not confirmed."));
- quit_force (args, from_tty);
+
+ query_if_trace_running (from_tty);
+
+ quit_force (args ? &exit_code : NULL, from_tty);
}
static void
-pwd_command (char *args, int from_tty)
+pwd_command (const char *args, int from_tty)
{
if (args)
error (_("The \"pwd\" command does not take an argument: %s"), args);
- getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
- if (strcmp (gdb_dirbuf, current_directory) != 0)
+ gdb::unique_xmalloc_ptr<char> cwd (getcwd (NULL, 0));
+
+ if (cwd == NULL)
+ error (_("Error finding name of working directory: %s"),
+ safe_strerror (errno));
+
+ if (strcmp (cwd.get (), current_directory) != 0)
printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),
- current_directory, gdb_dirbuf);
+ current_directory, cwd.get ());
else
printf_unfiltered (_("Working directory %s.\n"), current_directory);
}
void
-cd_command (char *dir, int from_tty)
+cd_command (const char *dir, int from_tty)
{
int len;
/* Found something other than leading repetitions of "/..". */
repeat might be useful but is more likely to be a mistake. */
dont_repeat ();
- if (dir == 0)
- error_no_arg (_("new working directory"));
-
- dir = tilde_expand (dir);
- make_cleanup (xfree, dir);
+ gdb::unique_xmalloc_ptr<char> dir_holder
+ (tilde_expand (dir != NULL ? dir : "~"));
+ dir = dir_holder.get ();
if (chdir (dir) < 0)
perror_with_name (dir);
/* There's too much mess with DOSish names like "d:", "d:.",
"d:./foo" etc. Instead of having lots of special #ifdef'ed code,
simply get the canonicalized name of the current directory. */
- dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
+ gdb::unique_xmalloc_ptr<char> cwd (getcwd (NULL, 0));
+ dir = cwd.get ();
#endif
len = strlen (dir);
len--;
}
- dir = savestring (dir, len);
- if (IS_ABSOLUTE_PATH (dir))
- current_directory = dir;
+ dir_holder.reset (savestring (dir, len));
+ if (IS_ABSOLUTE_PATH (dir_holder.get ()))
+ {
+ xfree (current_directory);
+ current_directory = dir_holder.release ();
+ }
else
{
if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1]))
- current_directory = concat (current_directory, dir, NULL);
+ current_directory = concat (current_directory, dir_holder.get (),
+ (char *) NULL);
else
- current_directory = concat (current_directory, SLASH_STRING, dir, NULL);
- xfree (dir);
+ current_directory = concat (current_directory, SLASH_STRING,
+ dir_holder.get (), (char *) NULL);
}
/* Now simplify any occurrences of `.' and `..' in the pathname. */
{
if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.'
&& (p[2] == 0 || IS_DIR_SEPARATOR (p[2])))
- strcpy (p, p + 2);
+ memmove (p, p + 2, strlen (p + 2) + 1);
else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.'
&& (p[3] == 0 || IS_DIR_SEPARATOR (p[3])))
{
/* Search backwards for the directory just before the "/.."
and obliterate it and the "/..". */
char *q = p;
+
while (q != current_directory && !IS_DIR_SEPARATOR (q[-1]))
--q;
++p;
else
{
- strcpy (q - 1, p + 3);
+ memmove (q - 1, p + 3, strlen (p + 3) + 1);
p = q - 1;
}
}
else
- /* We are dealing with leading repetitions of "/..", for example
- "/../..", which is the Mach super-root. */
+ /* We are dealing with leading repetitions of "/..", for
+ example "/../..", which is the Mach super-root. */
p += 3;
}
else
pwd_command ((char *) 0, 1);
}
\f
-void
-source_command (char *args, int from_tty)
+/* Show the current value of the 'script-extension' option. */
+
+static void
+show_script_ext_mode (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c, const char *value)
{
- FILE *stream;
- struct cleanup *old_cleanups;
- char *file = args;
+ fprintf_filtered (file,
+ _("Script filename extension recognition is \"%s\".\n"),
+ value);
+}
+
+/* Try to open SCRIPT_FILE.
+ If successful, the full path name is stored in *FULL_PATHP,
+ and the stream is returned.
+ If not successful, return NULL; errno is set for the last file
+ we tried to open.
+
+ If SEARCH_PATH is non-zero, and the file isn't found in cwd,
+ search for it in the source search path. */
- if (file == NULL)
+gdb::optional<open_script>
+find_and_open_script (const char *script_file, int search_path)
+{
+ int fd;
+ openp_flags search_flags = OPF_TRY_CWD_FIRST | OPF_RETURN_REALPATH;
+ gdb::optional<open_script> opened;
+
+ gdb::unique_xmalloc_ptr<char> file (tilde_expand (script_file));
+
+ if (search_path)
+ search_flags |= OPF_SEARCH_IN_PATH;
+
+ /* Search for and open 'file' on the search path used for source
+ files. Put the full location in *FULL_PATHP. */
+ gdb::unique_xmalloc_ptr<char> full_path;
+ fd = openp (source_path, search_flags,
+ file.get (), O_RDONLY, &full_path);
+
+ if (fd == -1)
+ return opened;
+
+ FILE *result = fdopen (fd, FOPEN_RT);
+ if (result == NULL)
{
- error (_("source command requires pathname of file to source."));
+ int save_errno = errno;
+
+ close (fd);
+ errno = save_errno;
}
+ else
+ opened.emplace (gdb_file_up (result), std::move (full_path));
+
+ return opened;
+}
- file = tilde_expand (file);
- old_cleanups = make_cleanup (xfree, file);
+/* Load script FILE, which has already been opened as STREAM.
+ FILE_TO_OPEN is the form of FILE to use if one needs to open the file.
+ This is provided as FILE may have been found via the source search path.
+ An important thing to note here is that FILE may be a symlink to a file
+ with a different or non-existing suffix, and thus one cannot infer the
+ extension language from FILE_TO_OPEN. */
- stream = fopen (file, FOPEN_RT);
- if (!stream)
+static void
+source_script_from_stream (FILE *stream, const char *file,
+ const char *file_to_open)
+{
+ if (script_ext_mode != script_ext_off)
{
+ const struct extension_language_defn *extlang
+ = get_ext_lang_of_file (file);
+
+ if (extlang != NULL)
+ {
+ if (ext_lang_present_p (extlang))
+ {
+ script_sourcer_func *sourcer
+ = ext_lang_script_sourcer (extlang);
+
+ gdb_assert (sourcer != NULL);
+ sourcer (extlang, stream, file_to_open);
+ return;
+ }
+ else if (script_ext_mode == script_ext_soft)
+ {
+ /* Assume the file is a gdb script.
+ This is handled below. */
+ }
+ else
+ throw_ext_lang_unsupported (extlang);
+ }
+ }
+
+ script_from_file (stream, file);
+}
+
+/* Worker to perform the "source" command.
+ Load script FILE.
+ If SEARCH_PATH is non-zero, and the file isn't found in cwd,
+ search for it in the source search path. */
+
+static void
+source_script_with_search (const char *file, int from_tty, int search_path)
+{
+
+ if (file == NULL || *file == 0)
+ error (_("source command requires file name of file to source."));
+
+ gdb::optional<open_script> opened = find_and_open_script (file, search_path);
+ if (!opened)
+ {
+ /* The script wasn't found, or was otherwise inaccessible.
+ If the source command was invoked interactively, throw an
+ error. Otherwise (e.g. if it was invoked by a script),
+ just emit a warning, rather than cause an error. */
if (from_tty)
perror_with_name (file);
else
- return;
+ {
+ perror_warning_with_name (file);
+ return;
+ }
}
- script_from_file (stream, file);
+ /* The python support reopens the file, so we need to pass full_path here
+ in case the file was found on the search path. It's useful to do this
+ anyway so that error messages show the actual file used. But only do
+ this if we (may have) used search_path, as printing the full path in
+ errors for the non-search case can be more noise than signal. */
+ source_script_from_stream (opened->stream.get (), file,
+ search_path ? opened->full_path.get () : file);
+}
+
+/* Wrapper around source_script_with_search to export it to main.c
+ for use in loading .gdbinit scripts. */
- do_cleanups (old_cleanups);
+void
+source_script (const char *file, int from_tty)
+{
+ source_script_with_search (file, from_tty, 0);
}
static void
-echo_command (char *text, int from_tty)
+source_command (const char *args, int from_tty)
{
- char *p = text;
+ const char *file = args;
+ int search_path = 0;
+
+ scoped_restore save_source_verbose = make_scoped_restore (&source_verbose);
+
+ /* -v causes the source command to run in verbose mode.
+ -s causes the file to be searched in the source search path,
+ even if the file name contains a '/'.
+ We still have to be able to handle filenames with spaces in a
+ backward compatible way, so buildargv is not appropriate. */
+
+ if (args)
+ {
+ while (args[0] != '\0')
+ {
+ /* Make sure leading white space does not break the
+ comparisons. */
+ args = skip_spaces (args);
+
+ if (args[0] != '-')
+ break;
+
+ if (args[1] == 'v' && isspace (args[2]))
+ {
+ source_verbose = 1;
+
+ /* Skip passed -v. */
+ args = &args[3];
+ }
+ else if (args[1] == 's' && isspace (args[2]))
+ {
+ search_path = 1;
+
+ /* Skip passed -s. */
+ args = &args[3];
+ }
+ else
+ break;
+ }
+
+ file = skip_spaces (args);
+ }
+
+ source_script_with_search (file, from_tty, search_path);
+}
+
+
+static void
+echo_command (const char *text, int from_tty)
+{
+ const char *p = text;
int c;
if (text)
if (*p == 0)
return;
- c = parse_escape (&p);
+ c = parse_escape (get_current_arch (), &p);
if (c >= 0)
printf_filtered ("%c", c);
}
printf_filtered ("%c", c);
}
+ reset_terminal_style (gdb_stdout);
+
/* Force this output to appear now. */
wrap_here ("");
gdb_flush (gdb_stdout);
}
static void
-shell_escape (char *arg, int from_tty)
+shell_escape (const char *arg, int from_tty)
{
#if defined(CANT_FORK) || \
(!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK))
arg = "inferior shell";
if (rc == -1)
- {
- fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg,
- safe_strerror (errno));
- gdb_flush (gdb_stderr);
- }
+ fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg,
+ safe_strerror (errno));
else if (rc)
- {
- fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc);
- gdb_flush (gdb_stderr);
- }
+ fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc);
#ifdef GLOBAL_CURDIR
- /* Make sure to return to the directory GDB thinks it is, in case the
- shell command we just ran changed it. */
+ /* Make sure to return to the directory GDB thinks it is, in case
+ the shell command we just ran changed it. */
chdir (current_directory);
#endif
#else /* Can fork. */
- int rc, status, pid;
+ int status, pid;
if ((pid = vfork ()) == 0)
{
- char *p, *user_shell;
+ const char *p, *user_shell = get_shell ();
- if ((user_shell = (char *) getenv ("SHELL")) == NULL)
- user_shell = "/bin/sh";
+ close_most_fds ();
- /* Get the name of the shell for arg0 */
- if ((p = strrchr (user_shell, '/')) == NULL)
- p = user_shell;
- else
- p++; /* Get past '/' */
+ /* Get the name of the shell for arg0. */
+ p = lbasename (user_shell);
if (!arg)
execl (user_shell, p, (char *) 0);
fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell,
safe_strerror (errno));
- gdb_flush (gdb_stderr);
_exit (0177);
}
if (pid != -1)
- while ((rc = wait (&status)) != pid && rc != -1)
- ;
+ waitpid (pid, &status, 0);
else
error (_("Fork failed"));
#endif /* Can fork. */
}
+/* Implementation of the "shell" command. */
+
+static void
+shell_command (const char *arg, int from_tty)
+{
+ shell_escape (arg, from_tty);
+}
+
static void
-edit_command (char *arg, int from_tty)
+edit_command (const char *arg, int from_tty)
{
- struct symtabs_and_lines sals;
struct symtab_and_line sal;
struct symbol *sym;
- char *arg1;
- int cmdlen, log10;
- unsigned m;
- char *editor;
+ const char *editor;
char *p;
+ const char *fn;
- /* Pull in the current default source line if necessary */
+ /* Pull in the current default source line if necessary. */
if (arg == 0)
{
set_default_source_symtab_and_line ();
sal = get_current_source_symtab_and_line ();
}
- /* bare "edit" edits file with present line. */
+ /* Bare "edit" edits file with present line. */
if (arg == 0)
{
}
else
{
+ const char *arg1;
- /* Now should only be one argument -- decode it in SAL */
-
+ /* Now should only be one argument -- decode it in SAL. */
arg1 = arg;
- sals = decode_line_1 (&arg1, 0, 0, 0, 0, 0);
-
- if (! sals.nelts) return; /* C++ */
- if (sals.nelts > 1) {
- ambiguous_line_spec (&sals);
- xfree (sals.sals);
- return;
- }
+ event_location_up location = string_to_event_location (&arg1,
+ current_language);
+ std::vector<symtab_and_line> sals = decode_line_1 (location.get (),
+ DECODE_LINE_LIST_MODE,
+ NULL, NULL, 0);
+
+ filter_sals (sals);
+ if (sals.empty ())
+ {
+ /* C++ */
+ return;
+ }
+ if (sals.size () > 1)
+ {
+ ambiguous_line_spec (sals,
+ _("Specified line is ambiguous:\n"));
+ return;
+ }
- sal = sals.sals[0];
- xfree (sals.sals);
+ sal = sals[0];
if (*arg1)
error (_("Junk at end of line specification."));
- /* if line was specified by address,
- first print exactly which line, and which file.
- In this case, sal.symtab == 0 means address is outside
- of all known source files, not that user failed to give a filename. */
+ /* If line was specified by address, first print exactly which
+ line, and which file. In this case, sal.symtab == 0 means
+ address is outside of all known source files, not that user
+ failed to give a filename. */
if (*arg == '*')
{
+ struct gdbarch *gdbarch;
+
if (sal.symtab == 0)
- /* FIXME-32x64--assumes sal.pc fits in long. */
error (_("No source file for address %s."),
- hex_string ((unsigned long) sal.pc));
+ paddress (get_current_arch (), sal.pc));
+
+ gdbarch = get_objfile_arch (SYMTAB_OBJFILE (sal.symtab));
sym = find_pc_function (sal.pc);
if (sym)
- {
- deprecated_print_address_numeric (sal.pc, 1, gdb_stdout);
- printf_filtered (" is in ");
- fputs_filtered (SYMBOL_PRINT_NAME (sym), gdb_stdout);
- printf_filtered (" (%s:%d).\n", sal.symtab->filename, sal.line);
- }
+ printf_filtered ("%s is in %s (%s:%d).\n",
+ paddress (gdbarch, sal.pc),
+ SYMBOL_PRINT_NAME (sym),
+ symtab_to_filename_for_display (sal.symtab),
+ sal.line);
else
- {
- deprecated_print_address_numeric (sal.pc, 1, gdb_stdout);
- printf_filtered (" is at %s:%d.\n",
- sal.symtab->filename, sal.line);
- }
+ printf_filtered ("%s is at %s:%d.\n",
+ paddress (gdbarch, sal.pc),
+ symtab_to_filename_for_display (sal.symtab),
+ sal.line);
}
- /* If what was given does not imply a symtab, it must be an undebuggable
- symbol which means no source code. */
+ /* If what was given does not imply a symtab, it must be an
+ undebuggable symbol which means no source code. */
if (sal.symtab == 0)
error (_("No line number known for %s."), arg);
}
- if ((editor = (char *) getenv ("EDITOR")) == NULL)
- editor = "/bin/ex";
-
- /* Approximate base-10 log of line to 1 unit for digit count */
- for(log10=32, m=0x80000000; !(sal.line & m) && log10>0; log10--, m=m>>1);
- log10 = 1 + (int)((log10 + (0 == ((m-1) & sal.line)))/3.32192809);
-
- cmdlen = strlen(editor) + 1
- + (NULL == sal.symtab->dirname ? 0 : strlen(sal.symtab->dirname) + 1)
- + (NULL == sal.symtab->filename? 0 : strlen(sal.symtab->filename)+ 1)
- + log10 + 2;
-
- p = xmalloc(cmdlen);
- sprintf(p,"%s +%d %s%s",editor,sal.line,
- (NULL == sal.symtab->dirname ? "./" :
- (NULL != sal.symtab->filename && *(sal.symtab->filename) != '/') ?
- sal.symtab->dirname : ""),
- (NULL == sal.symtab->filename ? "unknown" : sal.symtab->filename)
- );
- shell_escape(p, from_tty);
-
- xfree(p);
+ if ((editor = getenv ("EDITOR")) == NULL)
+ editor = "/bin/ex";
+
+ fn = symtab_to_fullname (sal.symtab);
+
+ /* Quote the file name, in case it has whitespace or other special
+ characters. */
+ p = xstrprintf ("%s +%d \"%s\"", editor, sal.line, fn);
+ shell_escape (p, from_tty);
+ xfree (p);
}
static void
-list_command (char *arg, int from_tty)
+list_command (const char *arg, int from_tty)
{
- struct symtabs_and_lines sals, sals_end;
- struct symtab_and_line sal, sal_end, cursal;
struct symbol *sym;
- char *arg1;
+ const char *arg1;
int no_end = 1;
int dummy_end = 0;
int dummy_beg = 0;
int linenum_beg = 0;
- char *p;
+ const char *p;
- /* Pull in the current default source line if necessary */
- if (arg == 0 || arg[0] == '+' || arg[0] == '-')
+ /* Pull in the current default source line if necessary. */
+ if (arg == NULL || ((arg[0] == '+' || arg[0] == '-') && arg[1] == '\0'))
{
set_default_source_symtab_and_line ();
- cursal = get_current_source_symtab_and_line ();
- }
+ symtab_and_line cursal = get_current_source_symtab_and_line ();
- /* "l" or "l +" lists next ten lines. */
+ /* If this is the first "list" since we've set the current
+ source line, center the listing around that line. */
+ if (get_first_line_listed () == 0)
+ {
+ int first;
- if (arg == 0 || strcmp (arg, "+") == 0)
- {
- print_source_lines (cursal.symtab, cursal.line,
- cursal.line + get_lines_to_list (), 0);
- return;
- }
+ first = std::max (cursal.line - get_lines_to_list () / 2, 1);
+
+ /* A small special case --- if listing backwards, and we
+ should list only one line, list the preceding line,
+ instead of the exact line we've just shown after e.g.,
+ stopping for a breakpoint. */
+ if (arg != NULL && arg[0] == '-'
+ && get_lines_to_list () == 1 && first > 1)
+ first -= 1;
+
+ print_source_lines (cursal.symtab, source_lines_range (first), 0);
+ }
+
+ /* "l" or "l +" lists next ten lines. */
+ else if (arg == NULL || arg[0] == '+')
+ print_source_lines (cursal.symtab,
+ source_lines_range (cursal.line), 0);
+
+ /* "l -" lists previous ten lines, the ones before the ten just
+ listed. */
+ else if (arg[0] == '-')
+ {
+ if (get_first_line_listed () == 1)
+ error (_("Already at the start of %s."),
+ symtab_to_filename_for_display (cursal.symtab));
+ source_lines_range range (get_first_line_listed (),
+ source_lines_range::BACKWARD);
+ print_source_lines (cursal.symtab, range, 0);
+ }
- /* "l -" lists previous ten lines, the ones before the ten just listed. */
- if (strcmp (arg, "-") == 0)
- {
- print_source_lines (cursal.symtab,
- max (get_first_line_listed () - get_lines_to_list (), 1),
- get_first_line_listed (), 0);
return;
}
if (!have_full_symbols () && !have_partial_symbols ())
error (_("No symbol table is loaded. Use the \"file\" command."));
+ std::vector<symtab_and_line> sals;
+ symtab_and_line sal, sal_end;
+
arg1 = arg;
if (*arg1 == ',')
dummy_beg = 1;
else
{
- sals = decode_line_1 (&arg1, 0, 0, 0, 0, 0);
-
- if (!sals.nelts)
- return; /* C++ */
- if (sals.nelts > 1)
+ event_location_up location = string_to_event_location (&arg1,
+ current_language);
+ sals = decode_line_1 (location.get (), DECODE_LINE_LIST_MODE,
+ NULL, NULL, 0);
+ filter_sals (sals);
+ if (sals.empty ())
{
- ambiguous_line_spec (&sals);
- xfree (sals.sals);
+ /* C++ */
return;
}
- sal = sals.sals[0];
- xfree (sals.sals);
+ sal = sals[0];
}
/* Record whether the BEG arg is all digits. */
for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++);
linenum_beg = (p == arg1);
+ /* Save the range of the first argument, in case we need to let the
+ user know it was ambiguous. */
+ const char *beg = arg;
+ size_t beg_len = arg1 - beg;
+
while (*arg1 == ' ' || *arg1 == '\t')
arg1++;
if (*arg1 == ',')
{
no_end = 0;
+ if (sals.size () > 1)
+ {
+ ambiguous_line_spec (sals,
+ _("Specified first line '%.*s' is ambiguous:\n"),
+ (int) beg_len, beg);
+ return;
+ }
arg1++;
while (*arg1 == ' ' || *arg1 == '\t')
arg1++;
dummy_end = 1;
else
{
- if (dummy_beg)
- sals_end = decode_line_1 (&arg1, 0, 0, 0, 0, 0);
- else
- sals_end = decode_line_1 (&arg1, 0, sal.symtab, sal.line, 0, 0);
- if (sals_end.nelts == 0)
+ /* Save the last argument, in case we need to let the user
+ know it was ambiguous. */
+ const char *end_arg = arg1;
+
+ event_location_up location
+ = string_to_event_location (&arg1, current_language);
+
+ std::vector<symtab_and_line> sals_end
+ = (dummy_beg
+ ? decode_line_1 (location.get (), DECODE_LINE_LIST_MODE,
+ NULL, NULL, 0)
+ : decode_line_1 (location.get (), DECODE_LINE_LIST_MODE,
+ NULL, sal.symtab, sal.line));
+
+ filter_sals (sals_end);
+ if (sals_end.empty ())
return;
- if (sals_end.nelts > 1)
+ if (sals_end.size () > 1)
{
- ambiguous_line_spec (&sals_end);
- xfree (sals_end.sals);
+ ambiguous_line_spec (sals_end,
+ _("Specified last line '%s' is ambiguous:\n"),
+ end_arg);
return;
}
- sal_end = sals_end.sals[0];
- xfree (sals_end.sals);
+ sal_end = sals_end[0];
}
}
if (!no_end && !dummy_beg && !dummy_end
&& sal.symtab != sal_end.symtab)
- error (_("Specified start and end are in different files."));
+ error (_("Specified first and last lines are in different files."));
if (dummy_beg && dummy_end)
error (_("Two empty args do not say what lines to list."));
- /* if line was specified by address,
+ /* If line was specified by address,
first print exactly which line, and which file.
- In this case, sal.symtab == 0 means address is outside
- of all known source files, not that user failed to give a filename. */
+
+ In this case, sal.symtab == 0 means address is outside of all
+ known source files, not that user failed to give a filename. */
if (*arg == '*')
{
+ struct gdbarch *gdbarch;
+
if (sal.symtab == 0)
- /* FIXME-32x64--assumes sal.pc fits in long. */
error (_("No source file for address %s."),
- hex_string ((unsigned long) sal.pc));
+ paddress (get_current_arch (), sal.pc));
+
+ gdbarch = get_objfile_arch (SYMTAB_OBJFILE (sal.symtab));
sym = find_pc_function (sal.pc);
if (sym)
- {
- deprecated_print_address_numeric (sal.pc, 1, gdb_stdout);
- printf_filtered (" is in ");
- fputs_filtered (SYMBOL_PRINT_NAME (sym), gdb_stdout);
- printf_filtered (" (%s:%d).\n", sal.symtab->filename, sal.line);
- }
+ printf_filtered ("%s is in %s (%s:%d).\n",
+ paddress (gdbarch, sal.pc),
+ SYMBOL_PRINT_NAME (sym),
+ symtab_to_filename_for_display (sal.symtab), sal.line);
else
- {
- deprecated_print_address_numeric (sal.pc, 1, gdb_stdout);
- printf_filtered (" is at %s:%d.\n",
- sal.symtab->filename, sal.line);
- }
+ printf_filtered ("%s is at %s:%d.\n",
+ paddress (gdbarch, sal.pc),
+ symtab_to_filename_for_display (sal.symtab), sal.line);
}
- /* If line was not specified by just a line number,
- and it does not imply a symtab, it must be an undebuggable symbol
- which means no source code. */
+ /* If line was not specified by just a line number, and it does not
+ imply a symtab, it must be an undebuggable symbol which means no
+ source code. */
if (!linenum_beg && sal.symtab == 0)
error (_("No line number known for %s."), arg);
turn it into the no-arg variant. */
if (from_tty)
- *arg = 0;
+ set_repeat_arguments ("");
if (dummy_beg && sal_end.symtab == 0)
error (_("No default source file yet. Do \"help list\"."));
if (dummy_beg)
- print_source_lines (sal_end.symtab,
- max (sal_end.line - (get_lines_to_list () - 1), 1),
- sal_end.line + 1, 0);
+ {
+ source_lines_range range (sal_end.line + 1,
+ source_lines_range::BACKWARD);
+ print_source_lines (sal_end.symtab, range, 0);
+ }
else if (sal.symtab == 0)
error (_("No default source file yet. Do \"help list\"."));
else if (no_end)
{
- int first_line = sal.line - get_lines_to_list () / 2;
-
- if (first_line < 1) first_line = 1;
-
- print_source_lines (sal.symtab,
- first_line,
- first_line + get_lines_to_list (),
- 0);
+ for (int i = 0; i < sals.size (); i++)
+ {
+ sal = sals[i];
+ int first_line = sal.line - get_lines_to_list () / 2;
+ if (first_line < 1)
+ first_line = 1;
+ if (sals.size () > 1)
+ print_sal_location (sal);
+ print_source_lines (sal.symtab, source_lines_range (first_line), 0);
+ }
}
+ else if (dummy_end)
+ print_source_lines (sal.symtab, source_lines_range (sal.line), 0);
else
- print_source_lines (sal.symtab, sal.line,
- (dummy_end
- ? sal.line + get_lines_to_list ()
- : sal_end.line + 1),
+ print_source_lines (sal.symtab,
+ source_lines_range (sal.line, (sal_end.line + 1)),
0);
}
-/* Dump a specified section of assembly code. With no command line
- arguments, this command will dump the assembly code for the
- function surrounding the pc value in the selected frame. With one
- argument, it will dump the assembly code surrounding that pc value.
- Two arguments are interpeted as bounds within which to dump
- assembly. */
+/* Subroutine of disassemble_command to simplify it.
+ Perform the disassembly.
+ NAME is the name of the function if known, or NULL.
+ [LOW,HIGH) are the range of addresses to disassemble.
+ BLOCK is the block to disassemble; it needs to be provided
+ when non-contiguous blocks are disassembled; otherwise
+ it can be NULL.
+ MIXED is non-zero to print source with the assembler. */
static void
-disassemble_command (char *arg, int from_tty)
+print_disassembly (struct gdbarch *gdbarch, const char *name,
+ CORE_ADDR low, CORE_ADDR high,
+ const struct block *block,
+ gdb_disassembly_flags flags)
{
- CORE_ADDR low, high;
- char *name;
- CORE_ADDR pc, pc_masked;
- char *space_index;
-#if 0
- asection *section;
+#if defined(TUI)
+ if (!tui_is_window_visible (DISASSEM_WIN))
#endif
+ {
+ printf_filtered ("Dump of assembler code ");
+ if (name != NULL)
+ printf_filtered ("for function %s:\n", name);
+ if (block == nullptr || BLOCK_CONTIGUOUS_P (block))
+ {
+ if (name == NULL)
+ printf_filtered ("from %s to %s:\n",
+ paddress (gdbarch, low), paddress (gdbarch, high));
- name = NULL;
- if (!arg)
+ /* Dump the specified range. */
+ gdb_disassembly (gdbarch, current_uiout, flags, -1, low, high);
+ }
+ else
+ {
+ for (int i = 0; i < BLOCK_NRANGES (block); i++)
+ {
+ CORE_ADDR range_low = BLOCK_RANGE_START (block, i);
+ CORE_ADDR range_high = BLOCK_RANGE_END (block, i);
+ printf_filtered (_("Address range %s to %s:\n"),
+ paddress (gdbarch, range_low),
+ paddress (gdbarch, range_high));
+ gdb_disassembly (gdbarch, current_uiout, flags, -1,
+ range_low, range_high);
+ }
+ }
+ printf_filtered ("End of assembler dump.\n");
+ }
+#if defined(TUI)
+ else
{
- if (!deprecated_selected_frame)
- error (_("No frame selected."));
+ tui_show_assembly (gdbarch, low);
+ }
+#endif
+}
- pc = get_frame_pc (deprecated_selected_frame);
- if (find_pc_partial_function (pc, &name, &low, &high) == 0)
- error (_("No function contains program counter for selected frame."));
+/* Subroutine of disassemble_command to simplify it.
+ Print a disassembly of the current function according to FLAGS. */
+
+static void
+disassemble_current_function (gdb_disassembly_flags flags)
+{
+ struct frame_info *frame;
+ struct gdbarch *gdbarch;
+ CORE_ADDR low, high, pc;
+ const char *name;
+ const struct block *block;
+
+ frame = get_selected_frame (_("No frame selected."));
+ gdbarch = get_frame_arch (frame);
+ pc = get_frame_address_in_block (frame);
+ if (find_pc_partial_function (pc, &name, &low, &high, &block) == 0)
+ error (_("No function contains program counter for selected frame."));
#if defined(TUI)
- /* NOTE: cagney/2003-02-13 The `tui_active' was previously
- `tui_version'. */
- if (tui_active)
- /* FIXME: cagney/2004-02-07: This should be an observer. */
- low = tui_get_low_disassembly_address (low, pc);
+ /* NOTE: cagney/2003-02-13 The `tui_active' was previously
+ `tui_version'. */
+ if (tui_active)
+ /* FIXME: cagney/2004-02-07: This should be an observer. */
+ low = tui_get_low_disassembly_address (gdbarch, low, pc);
#endif
- low += DEPRECATED_FUNCTION_START_OFFSET;
+ low += gdbarch_deprecated_function_start_offset (gdbarch);
+
+ print_disassembly (gdbarch, name, low, high, block, flags);
+}
+
+/* Dump a specified section of assembly code.
+
+ Usage:
+ disassemble [/mrs]
+ - dump the assembly code for the function of the current pc
+ disassemble [/mrs] addr
+ - dump the assembly code for the function at ADDR
+ disassemble [/mrs] low,high
+ disassemble [/mrs] low,+length
+ - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length)
+
+ A /m modifier will include source code with the assembly in a
+ "source centric" view. This view lists only the file of the first insn,
+ even if other source files are involved (e.g., inlined functions), and
+ the output is in source order, even with optimized code. This view is
+ considered deprecated as it hasn't been useful in practice.
+
+ A /r modifier will include raw instructions in hex with the assembly.
+
+ A /s modifier will include source code with the assembly, like /m, with
+ two important differences:
+ 1) The output is still in pc address order.
+ 2) File names and contents for all relevant source files are displayed. */
+
+static void
+disassemble_command (const char *arg, int from_tty)
+{
+ struct gdbarch *gdbarch = get_current_arch ();
+ CORE_ADDR low, high;
+ const char *name;
+ CORE_ADDR pc;
+ gdb_disassembly_flags flags;
+ const char *p;
+ const struct block *block = nullptr;
+
+ p = arg;
+ name = NULL;
+ flags = 0;
+
+ if (p && *p == '/')
+ {
+ ++p;
+
+ if (*p == '\0')
+ error (_("Missing modifier."));
+
+ while (*p && ! isspace (*p))
+ {
+ switch (*p++)
+ {
+ case 'm':
+ flags |= DISASSEMBLY_SOURCE_DEPRECATED;
+ break;
+ case 'r':
+ flags |= DISASSEMBLY_RAW_INSN;
+ break;
+ case 's':
+ flags |= DISASSEMBLY_SOURCE;
+ break;
+ default:
+ error (_("Invalid disassembly modifier."));
+ }
+ }
+
+ p = skip_spaces (p);
}
- else if (!(space_index = (char *) strchr (arg, ' ')))
+
+ if ((flags & (DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_SOURCE))
+ == (DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_SOURCE))
+ error (_("Cannot specify both /m and /s."));
+
+ if (! p || ! *p)
+ {
+ flags |= DISASSEMBLY_OMIT_FNAME;
+ disassemble_current_function (flags);
+ return;
+ }
+
+ pc = value_as_address (parse_to_comma_and_eval (&p));
+ if (p[0] == ',')
+ ++p;
+ if (p[0] == '\0')
{
/* One argument. */
- pc = parse_and_eval_address (arg);
- if (find_pc_partial_function (pc, &name, &low, &high) == 0)
+ if (find_pc_partial_function (pc, &name, &low, &high, &block) == 0)
error (_("No function contains specified address."));
#if defined(TUI)
/* NOTE: cagney/2003-02-13 The `tui_active' was previously
`tui_version'. */
if (tui_active)
/* FIXME: cagney/2004-02-07: This should be an observer. */
- low = tui_get_low_disassembly_address (low, pc);
+ low = tui_get_low_disassembly_address (gdbarch, low, pc);
#endif
- low += DEPRECATED_FUNCTION_START_OFFSET;
+ low += gdbarch_deprecated_function_start_offset (gdbarch);
+ flags |= DISASSEMBLY_OMIT_FNAME;
}
else
{
/* Two arguments. */
- *space_index = '\0';
- low = parse_and_eval_address (arg);
- high = parse_and_eval_address (space_index + 1);
- }
-
-#if defined(TUI)
- if (!tui_is_window_visible (DISASSEM_WIN))
-#endif
- {
- printf_filtered ("Dump of assembler code ");
- if (name != NULL)
- {
- printf_filtered ("for function %s:\n", name);
- }
- else
+ int incl_flag = 0;
+ low = pc;
+ p = skip_spaces (p);
+ if (p[0] == '+')
{
- printf_filtered ("from ");
- deprecated_print_address_numeric (low, 1, gdb_stdout);
- printf_filtered (" to ");
- deprecated_print_address_numeric (high, 1, gdb_stdout);
- printf_filtered (":\n");
+ ++p;
+ incl_flag = 1;
}
-
- /* Dump the specified range. */
- gdb_disassembly (uiout, 0, 0, 0, -1, low, high);
-
- printf_filtered ("End of assembler dump.\n");
- gdb_flush (gdb_stdout);
- }
-#if defined(TUI)
- else
- {
- tui_show_assembly (low);
+ high = parse_and_eval_address (p);
+ if (incl_flag)
+ high += low;
}
-#endif
+
+ print_disassembly (gdbarch, name, low, high, block, flags);
}
static void
-make_command (char *arg, int from_tty)
+make_command (const char *arg, int from_tty)
{
- char *p;
-
if (arg == 0)
- p = "make";
+ shell_escape ("make", from_tty);
else
{
- p = xmalloc (sizeof ("make ") + strlen (arg));
- strcpy (p, "make ");
- strcpy (p + sizeof ("make ") - 1, arg);
- }
+ std::string cmd = std::string ("make ") + arg;
- shell_escape (p, from_tty);
+ shell_escape (cmd.c_str (), from_tty);
+ }
}
static void
-show_user (char *args, int from_tty)
+show_user (const char *args, int from_tty)
{
struct cmd_list_element *c;
extern struct cmd_list_element *cmdlist;
if (args)
{
- c = lookup_cmd (&args, cmdlist, "", 0, 1);
- if (c->class != class_user)
+ const char *comname = args;
+
+ c = lookup_cmd (&comname, cmdlist, "", 0, 1);
+ if (!cli_user_command_p (c))
error (_("Not a user command."));
- show_user_1 (c, gdb_stdout);
+ show_user_1 (c, "", args, gdb_stdout);
}
else
{
for (c = cmdlist; c; c = c->next)
{
- if (c->class == class_user)
- show_user_1 (c, gdb_stdout);
+ if (cli_user_command_p (c) || c->prefixlist != NULL)
+ show_user_1 (c, "", c->name, gdb_stdout);
}
}
}
/* Search through names of commands and documentations for a certain
- regular expression.
-*/
-void
-apropos_command (char *searchstr, int from_tty)
+ regular expression. */
+
+static void
+apropos_command (const char *searchstr, int from_tty)
{
- extern struct cmd_list_element *cmdlist; /*This is the main command list*/
- regex_t pattern;
- char *pattern_fastmap;
- char errorbuffer[512];
- pattern_fastmap = xcalloc (256, sizeof (char));
if (searchstr == NULL)
- error (_("REGEXP string is empty"));
+ error (_("REGEXP string is empty"));
+
+ compiled_regex pattern (searchstr, REG_ICASE,
+ _("Error in regular expression"));
+
+ apropos_cmd (gdb_stdout, cmdlist, pattern, "");
+}
+
+/* Subroutine of alias_command to simplify it.
+ Return the first N elements of ARGV flattened back to a string
+ with a space separating each element.
+ ARGV may not be NULL.
+ This does not take care of quoting elements in case they contain spaces
+ on purpose. */
+
+static std::string
+argv_to_string (char **argv, int n)
+{
+ int i;
+ std::string result;
- if (regcomp(&pattern,searchstr,REG_ICASE) == 0)
+ gdb_assert (argv != NULL);
+ gdb_assert (n >= 0 && n <= countargv (argv));
+
+ for (i = 0; i < n; ++i)
{
- pattern.fastmap=pattern_fastmap;
- re_compile_fastmap(&pattern);
- apropos_cmd (gdb_stdout,cmdlist,&pattern,"");
+ if (i > 0)
+ result += " ";
+ result += argv[i];
+ }
+
+ return result;
+}
+
+/* Subroutine of alias_command to simplify it.
+ Return true if COMMAND exists, unambiguously. Otherwise false. */
+
+static bool
+valid_command_p (const char *command)
+{
+ struct cmd_list_element *c;
+
+ c = lookup_cmd_1 (& command, cmdlist, NULL, 1);
+
+ if (c == NULL || c == (struct cmd_list_element *) -1)
+ return false;
+
+ /* This is the slightly tricky part.
+ lookup_cmd_1 will return a pointer to the last part of COMMAND
+ to match, leaving COMMAND pointing at the remainder. */
+ while (*command == ' ' || *command == '\t')
+ ++command;
+ return *command == '\0';
+}
+
+/* Called when "alias" was incorrectly used. */
+
+static void
+alias_usage_error (void)
+{
+ error (_("Usage: alias [-a] [--] ALIAS = COMMAND"));
+}
+
+/* Make an alias of an existing command. */
+
+static void
+alias_command (const char *args, int from_tty)
+{
+ int i, alias_argc, command_argc;
+ int abbrev_flag = 0;
+ const char *equals;
+ const char *alias, *command;
+
+ if (args == NULL || strchr (args, '=') == NULL)
+ alias_usage_error ();
+
+ equals = strchr (args, '=');
+ std::string args2 (args, equals - args);
+
+ gdb_argv built_alias_argv (args2.c_str ());
+ gdb_argv command_argv (equals + 1);
+
+ char **alias_argv = built_alias_argv.get ();
+ while (alias_argv[0] != NULL)
+ {
+ if (strcmp (alias_argv[0], "-a") == 0)
+ {
+ ++alias_argv;
+ abbrev_flag = 1;
+ }
+ else if (strcmp (alias_argv[0], "--") == 0)
+ {
+ ++alias_argv;
+ break;
+ }
+ else
+ break;
+ }
+
+ if (alias_argv[0] == NULL || command_argv[0] == NULL
+ || *alias_argv[0] == '\0' || *command_argv[0] == '\0')
+ alias_usage_error ();
+
+ for (i = 0; alias_argv[i] != NULL; ++i)
+ {
+ if (! valid_user_defined_cmd_name_p (alias_argv[i]))
+ {
+ if (i == 0)
+ error (_("Invalid command name: %s"), alias_argv[i]);
+ else
+ error (_("Invalid command element name: %s"), alias_argv[i]);
+ }
+ }
+
+ alias_argc = countargv (alias_argv);
+ command_argc = command_argv.count ();
+
+ /* COMMAND must exist.
+ Reconstruct the command to remove any extraneous spaces,
+ for better error messages. */
+ std::string command_string (argv_to_string (command_argv.get (),
+ command_argc));
+ command = command_string.c_str ();
+ if (! valid_command_p (command))
+ error (_("Invalid command to alias to: %s"), command);
+
+ /* ALIAS must not exist. */
+ std::string alias_string (argv_to_string (alias_argv, alias_argc));
+ alias = alias_string.c_str ();
+ if (valid_command_p (alias))
+ error (_("Alias already exists: %s"), alias);
+
+ /* If ALIAS is one word, it is an alias for the entire COMMAND.
+ Example: alias spe = set print elements
+
+ Otherwise ALIAS and COMMAND must have the same number of words,
+ and every word except the last must match; and the last word of
+ ALIAS is made an alias of the last word of COMMAND.
+ Example: alias set print elms = set pr elem
+ Note that unambiguous abbreviations are allowed. */
+
+ if (alias_argc == 1)
+ {
+ /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
+ add_com_alias (xstrdup (alias_argv[0]), command, class_alias,
+ abbrev_flag);
}
else
{
- regerror(regcomp(&pattern,searchstr,REG_ICASE),NULL,errorbuffer,512);
- error (_("Error in regular expression:%s"),errorbuffer);
+ const char *alias_prefix, *command_prefix;
+ struct cmd_list_element *c_alias, *c_command;
+
+ if (alias_argc != command_argc)
+ error (_("Mismatched command length between ALIAS and COMMAND."));
+
+ /* Create copies of ALIAS and COMMAND without the last word,
+ and use that to verify the leading elements match. */
+ std::string alias_prefix_string (argv_to_string (alias_argv,
+ alias_argc - 1));
+ std::string command_prefix_string (argv_to_string (alias_argv,
+ command_argc - 1));
+ alias_prefix = alias_prefix_string.c_str ();
+ command_prefix = command_prefix_string.c_str ();
+
+ c_command = lookup_cmd_1 (& command_prefix, cmdlist, NULL, 1);
+ /* We've already tried to look up COMMAND. */
+ gdb_assert (c_command != NULL
+ && c_command != (struct cmd_list_element *) -1);
+ gdb_assert (c_command->prefixlist != NULL);
+ c_alias = lookup_cmd_1 (& alias_prefix, cmdlist, NULL, 1);
+ if (c_alias != c_command)
+ error (_("ALIAS and COMMAND prefixes do not match."));
+
+ /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
+ add_alias_cmd (xstrdup (alias_argv[alias_argc - 1]),
+ command_argv[command_argc - 1],
+ class_alias, abbrev_flag, c_command->prefixlist);
}
- xfree (pattern_fastmap);
}
\f
+/* Print the file / line number / symbol name of the location
+ specified by SAL. */
+
+static void
+print_sal_location (const symtab_and_line &sal)
+{
+ scoped_restore_current_program_space restore_pspace;
+ set_current_program_space (sal.pspace);
+
+ const char *sym_name = NULL;
+ if (sal.symbol != NULL)
+ sym_name = SYMBOL_PRINT_NAME (sal.symbol);
+ printf_filtered (_("file: \"%s\", line number: %d, symbol: \"%s\"\n"),
+ symtab_to_filename_for_display (sal.symtab),
+ sal.line, sym_name != NULL ? sym_name : "???");
+}
+
/* Print a list of files and line numbers which a user may choose from
- in order to list a function which was specified ambiguously (as with
- `list classname::overloadedfuncname', for example). The vector in
- SALS provides the filenames and line numbers. */
+ in order to list a function which was specified ambiguously (as
+ with `list classname::overloadedfuncname', for example). The SALS
+ array provides the filenames and line numbers. FORMAT is a
+ printf-style format string used to tell the user what was
+ ambiguous. */
static void
-ambiguous_line_spec (struct symtabs_and_lines *sals)
+ambiguous_line_spec (gdb::array_view<const symtab_and_line> sals,
+ const char *format, ...)
{
- int i;
+ va_list ap;
+ va_start (ap, format);
+ vprintf_filtered (format, ap);
+ va_end (ap);
+
+ for (const auto &sal : sals)
+ print_sal_location (sal);
+}
- for (i = 0; i < sals->nelts; ++i)
- printf_filtered (_("file: \"%s\", line number: %d\n"),
- sals->sals[i].symtab->filename, sals->sals[i].line);
+/* Comparison function for filter_sals. Returns a qsort-style
+ result. */
+
+static int
+cmp_symtabs (const symtab_and_line &sala, const symtab_and_line &salb)
+{
+ const char *dira = SYMTAB_DIRNAME (sala.symtab);
+ const char *dirb = SYMTAB_DIRNAME (salb.symtab);
+ int r;
+
+ if (dira == NULL)
+ {
+ if (dirb != NULL)
+ return -1;
+ }
+ else if (dirb == NULL)
+ {
+ if (dira != NULL)
+ return 1;
+ }
+ else
+ {
+ r = filename_cmp (dira, dirb);
+ if (r)
+ return r;
+ }
+
+ r = filename_cmp (sala.symtab->filename, salb.symtab->filename);
+ if (r)
+ return r;
+
+ if (sala.line < salb.line)
+ return -1;
+ return sala.line == salb.line ? 0 : 1;
+}
+
+/* Remove any SALs that do not match the current program space, or
+ which appear to be "file:line" duplicates. */
+
+static void
+filter_sals (std::vector<symtab_and_line> &sals)
+{
+ /* Remove SALs that do not match. */
+ auto from = std::remove_if (sals.begin (), sals.end (),
+ [&] (const symtab_and_line &sal)
+ { return (sal.pspace != current_program_space || sal.symtab == NULL); });
+
+ /* Remove dups. */
+ std::sort (sals.begin (), from,
+ [] (const symtab_and_line &sala, const symtab_and_line &salb)
+ { return cmp_symtabs (sala, salb) < 0; });
+
+ from = std::unique (sals.begin (), from,
+ [&] (const symtab_and_line &sala,
+ const symtab_and_line &salb)
+ { return cmp_symtabs (sala, salb) == 0; });
+
+ sals.erase (from, sals.end ());
}
static void
-set_debug (char *arg, int from_tty)
+set_debug (const char *arg, int from_tty)
{
- printf_unfiltered (_("\"set debug\" must be followed by the name of a print subcommand.\n"));
- help_list (setdebuglist, "set debug ", -1, gdb_stdout);
+ printf_unfiltered (_("\"set debug\" must be followed by "
+ "the name of a debug subcommand.\n"));
+ help_list (setdebuglist, "set debug ", all_commands, gdb_stdout);
}
static void
-show_debug (char *args, int from_tty)
+show_debug (const char *args, int from_tty)
{
cmd_show_list (showdebuglist, from_tty, "");
}
init_cmd_lists (void)
{
max_user_call_depth = 1024;
-
- cmdlist = NULL;
- infolist = NULL;
- enablelist = NULL;
- disablelist = NULL;
- togglelist = NULL;
- stoplist = NULL;
- deletelist = NULL;
- enablebreaklist = NULL;
- setlist = NULL;
- unsetlist = NULL;
- showlist = NULL;
- sethistlist = NULL;
- showhistlist = NULL;
- unsethistlist = NULL;
- maintenancelist = NULL;
- maintenanceinfolist = NULL;
- maintenanceprintlist = NULL;
- setprintlist = NULL;
- showprintlist = NULL;
- setchecklist = NULL;
- showchecklist = NULL;
}
static void
const char *value)
{
if (info_verbose)
- fprintf_filtered (file, _("\
-Verbose printing of informational messages is %s.\n"), value);
+ fprintf_filtered (file,
+ _("Verbose printing of informational messages is %s.\n"),
+ value);
else
fprintf_filtered (file, _("Verbosity is %s.\n"), value);
}
value);
}
-static void
-show_baud_rate (struct ui_file *file, int from_tty,
- struct cmd_list_element *c, const char *value)
-{
- fprintf_filtered (file, _("Baud rate for remote serial I/O is %s.\n"),
- value);
-}
-
static void
show_remote_debug (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
show_remote_timeout (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
- fprintf_filtered (file, _("\
-Timeout limit to wait for target to respond is %s.\n"),
+ fprintf_filtered (file,
+ _("Timeout limit to wait for target to respond is %s.\n"),
value);
}
show_max_user_call_depth (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
- fprintf_filtered (file, _("\
-The max call depth for user-defined commands is %s.\n"),
+ fprintf_filtered (file,
+ _("The max call depth for user-defined commands is %s.\n"),
value);
}
-\f
void
-init_cli_cmds (void)
+_initialize_cli_cmds (void)
{
struct cmd_list_element *c;
/* Define the classes of commands.
- They will appear in the help list in the reverse of this order. */
+ They will appear in the help list in alphabetical order. */
- add_cmd ("internals", class_maintenance, NULL, _("\
+ add_cmd ("internals", class_maintenance, _("\
Maintenance commands.\n\
Some gdb commands are provided just for use by gdb maintainers.\n\
These commands are subject to frequent change, and may not be as\n\
well documented as user commands."),
&cmdlist);
- add_cmd ("obscure", class_obscure, NULL, _("Obscure features."), &cmdlist);
- add_cmd ("aliases", class_alias, NULL, _("Aliases of other commands."), &cmdlist);
- add_cmd ("user-defined", class_user, NULL, _("\
+ add_cmd ("obscure", class_obscure, _("Obscure features."), &cmdlist);
+ add_cmd ("aliases", class_alias,
+ _("Aliases of other commands."), &cmdlist);
+ add_cmd ("user-defined", class_user, _("\
User-defined commands.\n\
The commands in this class are those defined by the user.\n\
Use the \"define\" command to define a command."), &cmdlist);
- add_cmd ("support", class_support, NULL, _("Support facilities."), &cmdlist);
+ add_cmd ("support", class_support, _("Support facilities."), &cmdlist);
if (!dbx_commands)
- add_cmd ("status", class_info, NULL, _("Status inquiries."), &cmdlist);
- add_cmd ("files", class_files, NULL, _("Specifying and examining files."),
+ add_cmd ("status", class_info, _("Status inquiries."), &cmdlist);
+ add_cmd ("files", class_files, _("Specifying and examining files."),
&cmdlist);
- add_cmd ("breakpoints", class_breakpoint, NULL,
+ add_cmd ("breakpoints", class_breakpoint,
_("Making program stop at certain points."), &cmdlist);
- add_cmd ("data", class_vars, NULL, _("Examining data."), &cmdlist);
- add_cmd ("stack", class_stack, NULL, _("\
+ add_cmd ("data", class_vars, _("Examining data."), &cmdlist);
+ add_cmd ("stack", class_stack, _("\
Examining the stack.\n\
The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
counting from zero for the innermost (currently executing) frame.\n\n\
When the program being debugged stops, gdb selects the innermost frame.\n\
The commands below can be used to select other frames by number or address."),
&cmdlist);
- add_cmd ("running", class_run, NULL, _("Running the program."), &cmdlist);
+ add_cmd ("running", class_run, _("Running the program."), &cmdlist);
- /* Define general commands. */
+ /* Define general commands. */
add_com ("pwd", class_files, pwd_command, _("\
Print working directory. This is used for your program as well."));
+
c = add_cmd ("cd", class_files, cd_command, _("\
-Set working directory to DIR for debugger and program being debugged.\n\
-The change does not take effect for the program being debugged\n\
-until the next time it is started."), &cmdlist);
+Set working directory to DIR for debugger.\n\
+The debugger's current working directory specifies where scripts and other\n\
+files that can be loaded by GDB are located.\n\
+In order to change the inferior's current working directory, the recommended\n\
+way is to use the \"set cwd\" command."), &cmdlist);
set_cmd_completer (c, filename_completer);
add_com ("echo", class_support, echo_command, _("\
Since leading and trailing whitespace are ignored in command arguments,\n\
if you want to print some you must use \"\\\" before leading whitespace\n\
to be printed or after trailing whitespace."));
- add_com ("document", class_support, document_command, _("\
-Document a user-defined command.\n\
-Give command name as argument. Give documentation on following lines.\n\
-End with a line of just \"end\"."));
- add_com ("define", class_support, define_command, _("\
-Define a new command name. Command name is argument.\n\
-Definition appears on following lines, one command per line.\n\
-End with a line of just \"end\".\n\
-Use the \"document\" command to give documentation for the new command.\n\
-Commands defined in this way may have up to ten arguments."));
-
- c = add_cmd ("source", class_support, source_command, _("\
-Read commands from a file named FILE.\n\
-Note that the file \"" GDBINIT_FILENAME "\" is read automatically in this way\n\
-when gdb is started."), &cmdlist);
- set_cmd_completer (c, filename_completer);
- add_com ("quit", class_support, quit_command, _("Exit gdb."));
+ add_setshow_enum_cmd ("script-extension", class_support,
+ script_ext_enums, &script_ext_mode, _("\
+Set mode for script filename extension recognition."), _("\
+Show mode for script filename extension recognition."), _("\
+off == no filename extension recognition (all sourced files are GDB scripts)\n\
+soft == evaluate script according to filename extension, fallback to GDB script"
+ "\n\
+strict == evaluate script according to filename extension, error if not supported"
+ ),
+ NULL,
+ show_script_ext_mode,
+ &setlist, &showlist);
+
+ add_com ("quit", class_support, quit_command, _("\
+Exit gdb.\n\
+Usage: quit [EXPR]\n\
+The optional expression EXPR, if present, is evaluated and the result\n\
+used as GDB's exit code. The default is zero."));
c = add_com ("help", class_support, help_command,
_("Print list of commands."));
set_cmd_completer (c, command_completer);
Generic command for showing things about the program being debugged."),
&infolist, "info ", 0, &cmdlist);
add_com_alias ("i", "info", class_info, 1);
+ add_com_alias ("inf", "info", class_info, 1);
add_com ("complete", class_obscure, complete_command,
_("List the completions for the rest of the line as a command."));
- add_prefix_cmd ("show", class_info, show_command,
- _("Generic command for showing things about the debugger."),
+ add_prefix_cmd ("show", class_info, show_command, _("\
+Generic command for showing things about the debugger."),
&showlist, "show ", 0, &cmdlist);
/* Another way to get at the same thing. */
add_info ("set", show_command, _("Show all GDB settings."));
- add_cmd ("commands", no_class, show_commands, _("\
+ add_cmd ("commands", no_set_class, show_commands, _("\
Show the history of commands you typed.\n\
You can supply a command number to start with, or a `+' to start after\n\
the previous command number shown."),
&showlist);
- add_cmd ("version", no_class, show_version,
+ add_cmd ("version", no_set_class, show_version,
_("Show what version of GDB this is."), &showlist);
- add_com ("while", class_support, while_command, _("\
-Execute nested commands WHILE the conditional expression is non zero.\n\
-The conditional expression must follow the word `while' and must in turn be\n\
-followed by a new line. The nested commands must be entered one per line,\n\
-and should be terminated by the word `end'."));
-
- add_com ("if", class_support, if_command, _("\
-Execute nested commands once IF the conditional expression is non zero.\n\
-The conditional expression must follow the word `if' and must in turn be\n\
-followed by a new line. The nested commands must be entered one per line,\n\
-and should be terminated by the word 'else' or `end'. If an else clause\n\
-is used, the same rules apply to its nested commands as to the first ones."));
-
- /* If target is open when baud changes, it doesn't take effect until the
- next open (I think, not sure). */
- add_setshow_zinteger_cmd ("remotebaud", no_class, &baud_rate, _("\
-Set baud rate for remote serial I/O."), _("\
-Show baud rate for remote serial I/O."), _("\
-This value is used to set the speed of the serial port when debugging\n\
-using remote targets."),
- NULL,
- show_baud_rate,
- &setlist, &showlist);
+ add_cmd ("configuration", no_set_class, show_configuration,
+ _("Show how GDB was configured at build time."), &showlist);
add_setshow_zinteger_cmd ("remote", no_class, &remote_debug, _("\
Set debugging of remote protocol."), _("\
show_remote_debug,
&setdebuglist, &showdebuglist);
- add_setshow_integer_cmd ("remotetimeout", no_class, &remote_timeout, _("\
+ add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class,
+ &remote_timeout, _("\
Set timeout limit to wait for target to respond."), _("\
Show timeout limit to wait for target to respond."), _("\
This value is used to set the time limit for gdb to wait for a response\n\
from the target."),
- NULL,
- show_remote_timeout,
- &setlist, &showlist);
+ NULL,
+ show_remote_timeout,
+ &setlist, &showlist);
add_prefix_cmd ("debug", no_class, set_debug,
_("Generic command for setting gdb debugging flags"),
_("Generic command for showing gdb debugging flags"),
&showdebuglist, "show debug ", 0, &showlist);
- c = add_com ("shell", class_support, shell_escape, _("\
+ c = add_com ("shell", class_support, shell_command, _("\
Execute the rest of the line as a shell command.\n\
With no arguments, run an inferior shell."));
set_cmd_completer (c, filename_completer);
+ add_com_alias ("!", "shell", class_support, 0);
+
c = add_com ("edit", class_files, edit_command, _("\
Edit specified file or function.\n\
With no argument, edits file containing most recent line listed.\n\
FUNCTION, to list around beginning of that function,\n\
FILE:FUNCTION, to distinguish among like-named static functions.\n\
*ADDRESS, to list around the line containing that address.\n\
-With two args if one is empty it stands for ten lines away from the other arg."));
+With two args, if one is empty, it stands for ten lines away from\n\
+the other arg.\n\
+\n\
+By default, when a single location is given, display ten lines.\n\
+This can be changed using \"set listsize\", and the current value\n\
+can be shown using \"show listsize\"."));
- if (!xdb_commands)
- add_com_alias ("l", "list", class_files, 1);
- else
- add_com_alias ("v", "list", class_files, 1);
+ add_com_alias ("l", "list", class_files, 1);
if (dbx_commands)
add_com_alias ("file", "list", class_files, 1);
c = add_com ("disassemble", class_vars, disassemble_command, _("\
Disassemble a specified section of memory.\n\
Default is the function surrounding the pc of the selected frame.\n\
+\n\
+With a /m modifier, source lines are included (if available).\n\
+This view is \"source centric\": the output is in source line order,\n\
+regardless of any optimization that is present. Only the main source file\n\
+is displayed, not those of, e.g., any inlined functions.\n\
+This modifier hasn't proved useful in practice and is deprecated\n\
+in favor of /s.\n\
+\n\
+With a /s modifier, source lines are included (if available).\n\
+This differs from /m in two important respects:\n\
+- the output is still in pc address order, and\n\
+- file names and contents for all relevant source files are displayed.\n\
+\n\
+With a /r modifier, raw instructions in hex are included.\n\
+\n\
With a single argument, the function surrounding that address is dumped.\n\
-Two arguments are taken as a range of memory to dump."));
+Two arguments (separated by a comma) are taken as a range of memory to dump,\n\
+ in the form of \"start,end\", or \"start,+length\".\n\
+\n\
+Note that the address is interpreted as an expression, not as a location\n\
+like in the \"break\" command.\n\
+So, for example, if you want to disassemble function bar in file foo.c\n\
+you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\"."));
set_cmd_completer (c, location_completer);
- if (xdb_commands)
- add_com_alias ("va", "disassemble", class_xdb, 0);
-
- /* NOTE: cagney/2000-03-20: Being able to enter ``(gdb) !ls'' would
- be a really useful feature. Unfortunately, the below wont do
- this. Instead it adds support for the form ``(gdb) ! ls''
- (i.e. the space is required). If the ``!'' command below is
- added the complains about no ``!'' command would be replaced by
- complains about how the ``!'' command is broken :-) */
- if (xdb_commands)
- add_com_alias ("!", "shell", class_support, 0);
c = add_com ("make", class_support, make_command, _("\
Run the ``make'' program using the rest of the line as arguments."));
set_cmd_completer (c, filename_completer);
add_cmd ("user", no_class, show_user, _("\
-Show definitions of user defined commands.\n\
+Show definitions of non-python/scheme user defined commands.\n\
Argument is the name of the user defined command.\n\
With no argument, show definitions of all user defined commands."), &showlist);
add_com ("apropos", class_support, apropos_command,
_("Search for commands matching a REGEXP"));
- add_setshow_integer_cmd ("max-user-call-depth", no_class,
+ add_setshow_uinteger_cmd ("max-user-call-depth", no_class,
&max_user_call_depth, _("\
-Set the max call depth for user-defined commands."), _("\
-Show the max call depth for user-defined commands."), NULL,
+Set the max call depth for non-python/scheme user-defined commands."), _("\
+Show the max call depth for non-python/scheme user-defined commands."), NULL,
+ NULL,
+ show_max_user_call_depth,
+ &setlist, &showlist);
+
+ add_setshow_boolean_cmd ("trace-commands", no_class, &trace_commands, _("\
+Set tracing of GDB CLI commands."), _("\
+Show state of GDB CLI command tracing."), _("\
+When 'on', each command is displayed as it is executed."),
+ NULL,
NULL,
- show_max_user_call_depth,
&setlist, &showlist);
+
+ c = add_com ("alias", class_support, alias_command, _("\
+Define a new command that is an alias of an existing command.\n\
+Usage: alias [-a] [--] ALIAS = COMMAND\n\
+ALIAS is the name of the alias command to create.\n\
+COMMAND is the command being aliased to.\n\
+If \"-a\" is specified, the command is an abbreviation,\n\
+and will not appear in help command list output.\n\
+\n\
+Examples:\n\
+Make \"spe\" an alias of \"set print elements\":\n\
+ alias spe = set print elements\n\
+Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\
+ alias -a set print elms = set print elements"));
+}
+
+void
+init_cli_cmds (void)
+{
+ struct cmd_list_element *c;
+ char *source_help_text;
+
+ source_help_text = xstrprintf (_("\
+Read commands from a file named FILE.\n\
+\n\
+Usage: source [-s] [-v] FILE\n\
+-s: search for the script in the source search path,\n\
+ even if FILE contains directories.\n\
+-v: each command in FILE is echoed as it is executed.\n\
+\n\
+Note that the file \"%s\" is read automatically in this way\n\
+when GDB is started."), gdbinit);
+ c = add_cmd ("source", class_support, source_command,
+ source_help_text, &cmdlist);
+ set_cmd_completer (c, filename_completer);
}
projects / deliverable / binutils-gdb.git / blobdiff