1590 lines
44 KiB
C
1590 lines
44 KiB
C
/* GDB CLI commands.
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Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010
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Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "exceptions.h"
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#include "arch-utils.h"
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#include "readline/readline.h"
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#include "readline/tilde.h"
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#include "completer.h"
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#include "target.h" /* For baud_rate, remote_debug and remote_timeout */
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#include "gdb_wait.h" /* For shell escape implementation */
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#include "gdb_regex.h" /* Used by apropos_command */
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#include "gdb_string.h"
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#include "gdb_vfork.h"
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#include "linespec.h"
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#include "expression.h"
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#include "frame.h"
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#include "value.h"
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#include "language.h"
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#include "filenames.h" /* for DOSish file names */
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#include "objfiles.h"
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#include "source.h"
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#include "disasm.h"
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extern void disconnect_or_stop_tracing (int from_tty);
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#include "ui-out.h"
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#include "top.h"
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#include "cli/cli-decode.h"
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#include "cli/cli-script.h"
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#include "cli/cli-setshow.h"
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#include "cli/cli-cmds.h"
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#include "python/python.h"
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#ifdef TUI
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#include "tui/tui.h" /* For tui_active et.al. */
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#endif
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#include <fcntl.h>
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/* Prototypes for local command functions */
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static void complete_command (char *, int);
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static void echo_command (char *, int);
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static void pwd_command (char *, int);
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static void show_version (char *, int);
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static void help_command (char *, int);
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static void show_command (char *, int);
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static void info_command (char *, int);
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static void show_debug (char *, int);
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static void set_debug (char *, int);
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static void show_user (char *, int);
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static void make_command (char *, int);
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static void shell_escape (char *, int);
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static void edit_command (char *, int);
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static void list_command (char *, int);
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void apropos_command (char *, int);
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/* Prototypes for local utility functions */
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static void ambiguous_line_spec (struct symtabs_and_lines *);
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/* Limit the call depth of user-defined commands */
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int max_user_call_depth;
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/* Define all cmd_list_elements. */
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/* Chain containing all defined commands. */
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struct cmd_list_element *cmdlist;
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/* Chain containing all defined info subcommands. */
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struct cmd_list_element *infolist;
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/* Chain containing all defined enable subcommands. */
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struct cmd_list_element *enablelist;
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/* Chain containing all defined disable subcommands. */
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struct cmd_list_element *disablelist;
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/* Chain containing all defined toggle subcommands. */
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struct cmd_list_element *togglelist;
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/* Chain containing all defined stop subcommands. */
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struct cmd_list_element *stoplist;
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/* Chain containing all defined delete subcommands. */
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struct cmd_list_element *deletelist;
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/* Chain containing all defined detach subcommands. */
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struct cmd_list_element *detachlist;
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/* Chain containing all defined kill subcommands. */
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struct cmd_list_element *killlist;
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/* Chain containing all defined "enable breakpoint" subcommands. */
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struct cmd_list_element *enablebreaklist;
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/* Chain containing all defined set subcommands */
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struct cmd_list_element *setlist;
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/* Chain containing all defined unset subcommands */
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struct cmd_list_element *unsetlist;
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/* Chain containing all defined show subcommands. */
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struct cmd_list_element *showlist;
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/* Chain containing all defined \"set history\". */
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struct cmd_list_element *sethistlist;
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/* Chain containing all defined \"show history\". */
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struct cmd_list_element *showhistlist;
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/* Chain containing all defined \"unset history\". */
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struct cmd_list_element *unsethistlist;
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/* Chain containing all defined maintenance subcommands. */
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struct cmd_list_element *maintenancelist;
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/* Chain containing all defined "maintenance info" subcommands. */
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struct cmd_list_element *maintenanceinfolist;
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/* Chain containing all defined "maintenance print" subcommands. */
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struct cmd_list_element *maintenanceprintlist;
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struct cmd_list_element *setprintlist;
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struct cmd_list_element *showprintlist;
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struct cmd_list_element *setdebuglist;
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struct cmd_list_element *showdebuglist;
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struct cmd_list_element *setchecklist;
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struct cmd_list_element *showchecklist;
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/* Command tracing state. */
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int source_verbose = 0;
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int trace_commands = 0;
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/* 'script-extension' option support. */
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static const char script_ext_off[] = "off";
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static const char script_ext_soft[] = "soft";
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static const char script_ext_strict[] = "strict";
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static const char *script_ext_enums[] = {
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script_ext_off,
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script_ext_soft,
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script_ext_strict,
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NULL
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};
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static const char *script_ext_mode = script_ext_soft;
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/* Utility used everywhere when at least one argument is needed and
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none is supplied. */
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void
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error_no_arg (char *why)
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{
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error (_("Argument required (%s)."), why);
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}
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/* The "info" command is defined as a prefix, with allow_unknown = 0.
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Therefore, its own definition is called only for "info" with no args. */
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static void
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info_command (char *arg, int from_tty)
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{
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printf_unfiltered (_("\"info\" must be followed by the name of an info command.\n"));
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help_list (infolist, "info ", -1, gdb_stdout);
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}
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/* The "show" command with no arguments shows all the settings. */
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static void
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show_command (char *arg, int from_tty)
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{
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cmd_show_list (showlist, from_tty, "");
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}
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/* Provide documentation on command or list given by COMMAND. FROM_TTY
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is ignored. */
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static void
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help_command (char *command, int from_tty)
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{
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help_cmd (command, gdb_stdout);
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}
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/* String compare function for qsort. */
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static int
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compare_strings (const void *arg1, const void *arg2)
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{
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const char **s1 = (const char **) arg1;
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const char **s2 = (const char **) arg2;
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return strcmp (*s1, *s2);
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}
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/* The "complete" command is used by Emacs to implement completion. */
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static void
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complete_command (char *arg, int from_tty)
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{
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int i;
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int argpoint;
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char **completions, *point, *arg_prefix;
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dont_repeat ();
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if (arg == NULL)
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arg = "";
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argpoint = strlen (arg);
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/* complete_line assumes that its first argument is somewhere within,
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and except for filenames at the beginning of, the word to be completed.
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The following crude imitation of readline's word-breaking tries to
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accomodate this. */
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point = arg + argpoint;
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while (point > arg)
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{
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if (strchr (rl_completer_word_break_characters, point[-1]) != 0)
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break;
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point--;
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}
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arg_prefix = alloca (point - arg + 1);
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memcpy (arg_prefix, arg, point - arg);
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arg_prefix[point - arg] = 0;
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completions = complete_line (point, arg, argpoint);
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if (completions)
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{
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int item, size;
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for (size = 0; completions[size]; ++size)
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;
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qsort (completions, size, sizeof (char *), compare_strings);
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/* We do extra processing here since we only want to print each
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unique item once. */
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item = 0;
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while (item < size)
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{
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int next_item;
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printf_unfiltered ("%s%s\n", arg_prefix, completions[item]);
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next_item = item + 1;
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while (next_item < size
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&& ! strcmp (completions[item], completions[next_item]))
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{
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xfree (completions[next_item]);
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++next_item;
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}
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xfree (completions[item]);
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item = next_item;
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}
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xfree (completions);
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}
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}
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int
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is_complete_command (struct cmd_list_element *c)
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{
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return cmd_cfunc_eq (c, complete_command);
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}
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static void
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show_version (char *args, int from_tty)
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{
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immediate_quit++;
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print_gdb_version (gdb_stdout);
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printf_filtered ("\n");
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immediate_quit--;
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}
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/* Handle the quit command. */
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void
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quit_command (char *args, int from_tty)
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{
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if (!quit_confirm ())
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error (_("Not confirmed."));
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disconnect_or_stop_tracing (from_tty);
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quit_force (args, from_tty);
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}
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static void
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pwd_command (char *args, int from_tty)
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{
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if (args)
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error (_("The \"pwd\" command does not take an argument: %s"), args);
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if (! getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)))
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error (_("Error finding name of working directory: %s"),
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safe_strerror (errno));
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if (strcmp (gdb_dirbuf, current_directory) != 0)
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printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),
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current_directory, gdb_dirbuf);
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else
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printf_unfiltered (_("Working directory %s.\n"), current_directory);
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}
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void
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cd_command (char *dir, int from_tty)
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{
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int len;
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/* Found something other than leading repetitions of "/..". */
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int found_real_path;
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char *p;
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/* If the new directory is absolute, repeat is a no-op; if relative,
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repeat might be useful but is more likely to be a mistake. */
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dont_repeat ();
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if (dir == 0)
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error_no_arg (_("new working directory"));
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dir = tilde_expand (dir);
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make_cleanup (xfree, dir);
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if (chdir (dir) < 0)
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perror_with_name (dir);
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#ifdef HAVE_DOS_BASED_FILE_SYSTEM
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/* There's too much mess with DOSish names like "d:", "d:.",
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"d:./foo" etc. Instead of having lots of special #ifdef'ed code,
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simply get the canonicalized name of the current directory. */
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dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
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#endif
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len = strlen (dir);
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if (IS_DIR_SEPARATOR (dir[len - 1]))
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{
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/* Remove the trailing slash unless this is a root directory
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(including a drive letter on non-Unix systems). */
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if (!(len == 1) /* "/" */
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#ifdef HAVE_DOS_BASED_FILE_SYSTEM
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&& !(len == 3 && dir[1] == ':') /* "d:/" */
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#endif
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)
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len--;
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}
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dir = savestring (dir, len);
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if (IS_ABSOLUTE_PATH (dir))
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current_directory = dir;
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else
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{
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if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1]))
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current_directory = concat (current_directory, dir, (char *)NULL);
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else
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current_directory = concat (current_directory, SLASH_STRING,
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dir, (char *)NULL);
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xfree (dir);
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}
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/* Now simplify any occurrences of `.' and `..' in the pathname. */
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found_real_path = 0;
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for (p = current_directory; *p;)
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{
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if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.'
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&& (p[2] == 0 || IS_DIR_SEPARATOR (p[2])))
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strcpy (p, p + 2);
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else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.'
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&& (p[3] == 0 || IS_DIR_SEPARATOR (p[3])))
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{
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if (found_real_path)
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{
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/* Search backwards for the directory just before the "/.."
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and obliterate it and the "/..". */
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char *q = p;
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while (q != current_directory && !IS_DIR_SEPARATOR (q[-1]))
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--q;
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if (q == current_directory)
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/* current_directory is
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a relative pathname ("can't happen"--leave it alone). */
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++p;
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else
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{
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strcpy (q - 1, p + 3);
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p = q - 1;
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}
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}
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else
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/* We are dealing with leading repetitions of "/..", for example
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"/../..", which is the Mach super-root. */
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p += 3;
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}
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else
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{
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found_real_path = 1;
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++p;
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}
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}
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forget_cached_source_info ();
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if (from_tty)
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pwd_command ((char *) 0, 1);
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}
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/* Show the current value of the 'script-extension' option. */
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static void
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show_script_ext_mode (struct ui_file *file, int from_tty,
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struct cmd_list_element *c, const char *value)
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{
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fprintf_filtered (file, _("\
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Script filename extension recognition is \"%s\".\n"),
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value);
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}
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||
static int
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||
find_and_open_script (int from_tty, char **filep, FILE **streamp,
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struct cleanup **cleanupp)
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||
{
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||
char *file = *filep;
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||
char *full_pathname = NULL;
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int fd;
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struct cleanup *old_cleanups;
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file = tilde_expand (file);
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old_cleanups = make_cleanup (xfree, file);
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/* Search for and open 'file' on the search path used for source
|
||
files. Put the full location in 'full_pathname'. */
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fd = openp (source_path, OPF_TRY_CWD_FIRST,
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file, O_RDONLY, &full_pathname);
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make_cleanup (xfree, full_pathname);
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/* Use the full path name, if it is found. */
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if (full_pathname != NULL && fd != -1)
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{
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||
file = full_pathname;
|
||
}
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||
|
||
if (fd == -1)
|
||
{
|
||
if (from_tty)
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||
perror_with_name (file);
|
||
else
|
||
{
|
||
do_cleanups (old_cleanups);
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return 0;
|
||
}
|
||
}
|
||
|
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*streamp = fdopen (fd, FOPEN_RT);
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*filep = file;
|
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*cleanupp = old_cleanups;
|
||
|
||
return 1;
|
||
}
|
||
|
||
void
|
||
source_script (char *file, int from_tty)
|
||
{
|
||
FILE *stream;
|
||
struct cleanup *old_cleanups;
|
||
|
||
if (file == NULL || *file == 0)
|
||
{
|
||
error (_("source command requires file name of file to source."));
|
||
}
|
||
|
||
if (!find_and_open_script (from_tty, &file, &stream, &old_cleanups))
|
||
return;
|
||
|
||
if (script_ext_mode != script_ext_off
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||
&& strlen (file) > 3 && !strcmp (&file[strlen (file) - 3], ".py"))
|
||
{
|
||
volatile struct gdb_exception e;
|
||
|
||
TRY_CATCH (e, RETURN_MASK_ERROR)
|
||
{
|
||
source_python_script (stream, file);
|
||
}
|
||
if (e.reason < 0)
|
||
{
|
||
/* Should we fallback to ye olde GDB script mode? */
|
||
if (script_ext_mode == script_ext_soft
|
||
&& e.reason == RETURN_ERROR && e.error == UNSUPPORTED_ERROR)
|
||
{
|
||
if (!find_and_open_script (from_tty, &file, &stream, &old_cleanups))
|
||
return;
|
||
|
||
script_from_file (stream, file);
|
||
}
|
||
else
|
||
/* Nope, just punt. */
|
||
throw_exception (e);
|
||
}
|
||
}
|
||
else
|
||
script_from_file (stream, file);
|
||
|
||
do_cleanups (old_cleanups);
|
||
}
|
||
|
||
/* Return the source_verbose global variable to its previous state
|
||
on exit from the source command, by whatever means. */
|
||
static void
|
||
source_verbose_cleanup (void *old_value)
|
||
{
|
||
source_verbose = *(int *)old_value;
|
||
xfree (old_value);
|
||
}
|
||
|
||
static void
|
||
source_command (char *args, int from_tty)
|
||
{
|
||
struct cleanup *old_cleanups;
|
||
char *file = args;
|
||
int *old_source_verbose = xmalloc (sizeof(int));
|
||
|
||
*old_source_verbose = source_verbose;
|
||
old_cleanups = make_cleanup (source_verbose_cleanup, old_source_verbose);
|
||
|
||
/* -v causes the source command to run in verbose mode.
|
||
We still have to be able to handle filenames with spaces in a
|
||
backward compatible way, so buildargv is not appropriate. */
|
||
|
||
if (args)
|
||
{
|
||
/* Make sure leading white space does not break the comparisons. */
|
||
while (isspace(args[0]))
|
||
args++;
|
||
|
||
/* Is -v the first thing in the string? */
|
||
if (args[0] == '-' && args[1] == 'v' && isspace (args[2]))
|
||
{
|
||
source_verbose = 1;
|
||
|
||
/* Trim -v and whitespace from the filename. */
|
||
file = &args[3];
|
||
while (isspace (file[0]))
|
||
file++;
|
||
}
|
||
}
|
||
|
||
source_script (file, from_tty);
|
||
|
||
do_cleanups (old_cleanups);
|
||
}
|
||
|
||
|
||
static void
|
||
echo_command (char *text, int from_tty)
|
||
{
|
||
char *p = text;
|
||
int c;
|
||
|
||
if (text)
|
||
while ((c = *p++) != '\0')
|
||
{
|
||
if (c == '\\')
|
||
{
|
||
/* \ at end of argument is used after spaces
|
||
so they won't be lost. */
|
||
if (*p == 0)
|
||
return;
|
||
|
||
c = parse_escape (get_current_arch (), &p);
|
||
if (c >= 0)
|
||
printf_filtered ("%c", c);
|
||
}
|
||
else
|
||
printf_filtered ("%c", c);
|
||
}
|
||
|
||
/* Force this output to appear now. */
|
||
wrap_here ("");
|
||
gdb_flush (gdb_stdout);
|
||
}
|
||
|
||
static void
|
||
shell_escape (char *arg, int from_tty)
|
||
{
|
||
#if defined(CANT_FORK) || \
|
||
(!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK))
|
||
/* If ARG is NULL, they want an inferior shell, but `system' just
|
||
reports if the shell is available when passed a NULL arg. */
|
||
int rc = system (arg ? arg : "");
|
||
|
||
if (!arg)
|
||
arg = "inferior shell";
|
||
|
||
if (rc == -1)
|
||
{
|
||
fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg,
|
||
safe_strerror (errno));
|
||
gdb_flush (gdb_stderr);
|
||
}
|
||
else if (rc)
|
||
{
|
||
fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc);
|
||
gdb_flush (gdb_stderr);
|
||
}
|
||
#ifdef GLOBAL_CURDIR
|
||
/* 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;
|
||
|
||
if ((pid = vfork ()) == 0)
|
||
{
|
||
char *p, *user_shell;
|
||
|
||
if ((user_shell = (char *) getenv ("SHELL")) == NULL)
|
||
user_shell = "/bin/sh";
|
||
|
||
/* Get the name of the shell for arg0 */
|
||
if ((p = strrchr (user_shell, '/')) == NULL)
|
||
p = user_shell;
|
||
else
|
||
p++; /* Get past '/' */
|
||
|
||
if (!arg)
|
||
execl (user_shell, p, (char *) 0);
|
||
else
|
||
execl (user_shell, p, "-c", arg, (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)
|
||
;
|
||
else
|
||
error (_("Fork failed"));
|
||
#endif /* Can fork. */
|
||
}
|
||
|
||
static void
|
||
edit_command (char *arg, int from_tty)
|
||
{
|
||
struct symtabs_and_lines sals;
|
||
struct symtab_and_line sal;
|
||
struct symbol *sym;
|
||
char *arg1;
|
||
char *editor;
|
||
char *p, *fn;
|
||
|
||
/* 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. */
|
||
|
||
if (arg == 0)
|
||
{
|
||
if (sal.symtab == 0)
|
||
error (_("No default source file yet."));
|
||
sal.line += get_lines_to_list () / 2;
|
||
}
|
||
else
|
||
{
|
||
|
||
/* 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)
|
||
{
|
||
/* C++ */
|
||
return;
|
||
}
|
||
if (sals.nelts > 1)
|
||
{
|
||
ambiguous_line_spec (&sals);
|
||
xfree (sals.sals);
|
||
return;
|
||
}
|
||
|
||
sal = sals.sals[0];
|
||
xfree (sals.sals);
|
||
|
||
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 (*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));
|
||
|
||
gdbarch = get_objfile_arch (sal.symtab->objfile);
|
||
sym = find_pc_function (sal.pc);
|
||
if (sym)
|
||
printf_filtered ("%s is in %s (%s:%d).\n",
|
||
paddress (gdbarch, sal.pc),
|
||
SYMBOL_PRINT_NAME (sym),
|
||
sal.symtab->filename, sal.line);
|
||
else
|
||
printf_filtered ("%s is at %s:%d.\n",
|
||
paddress (gdbarch, sal.pc),
|
||
sal.symtab->filename, sal.line);
|
||
}
|
||
|
||
/* 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";
|
||
|
||
/* If we don't already know the full absolute file name of the
|
||
source file, find it now. */
|
||
if (!sal.symtab->fullname)
|
||
{
|
||
fn = symtab_to_fullname (sal.symtab);
|
||
if (!fn)
|
||
fn = "unknown";
|
||
}
|
||
else
|
||
fn = sal.symtab->fullname;
|
||
|
||
/* 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)
|
||
{
|
||
struct symtabs_and_lines sals, sals_end;
|
||
struct symtab_and_line sal = { 0 };
|
||
struct symtab_and_line sal_end = { 0 };
|
||
struct symtab_and_line cursal = { 0 };
|
||
struct symbol *sym;
|
||
char *arg1;
|
||
int no_end = 1;
|
||
int dummy_end = 0;
|
||
int dummy_beg = 0;
|
||
int linenum_beg = 0;
|
||
char *p;
|
||
|
||
/* Pull in the current default source line if necessary */
|
||
if (arg == 0 || arg[0] == '+' || arg[0] == '-')
|
||
{
|
||
set_default_source_symtab_and_line ();
|
||
cursal = get_current_source_symtab_and_line ();
|
||
}
|
||
|
||
/* "l" or "l +" lists next ten lines. */
|
||
|
||
if (arg == 0 || strcmp (arg, "+") == 0)
|
||
{
|
||
print_source_lines (cursal.symtab, cursal.line,
|
||
cursal.line + get_lines_to_list (), 0);
|
||
return;
|
||
}
|
||
|
||
/* "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;
|
||
}
|
||
|
||
/* Now if there is only one argument, decode it in SAL
|
||
and set NO_END.
|
||
If there are two arguments, decode them in SAL and SAL_END
|
||
and clear NO_END; however, if one of the arguments is blank,
|
||
set DUMMY_BEG or DUMMY_END to record that fact. */
|
||
|
||
if (!have_full_symbols () && !have_partial_symbols ())
|
||
error (_("No symbol table is loaded. Use the \"file\" command."));
|
||
|
||
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)
|
||
{
|
||
ambiguous_line_spec (&sals);
|
||
xfree (sals.sals);
|
||
return;
|
||
}
|
||
|
||
sal = sals.sals[0];
|
||
xfree (sals.sals);
|
||
}
|
||
|
||
/* Record whether the BEG arg is all digits. */
|
||
|
||
for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++);
|
||
linenum_beg = (p == arg1);
|
||
|
||
while (*arg1 == ' ' || *arg1 == '\t')
|
||
arg1++;
|
||
if (*arg1 == ',')
|
||
{
|
||
no_end = 0;
|
||
arg1++;
|
||
while (*arg1 == ' ' || *arg1 == '\t')
|
||
arg1++;
|
||
if (*arg1 == 0)
|
||
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)
|
||
return;
|
||
if (sals_end.nelts > 1)
|
||
{
|
||
ambiguous_line_spec (&sals_end);
|
||
xfree (sals_end.sals);
|
||
return;
|
||
}
|
||
sal_end = sals_end.sals[0];
|
||
xfree (sals_end.sals);
|
||
}
|
||
}
|
||
|
||
if (*arg1)
|
||
error (_("Junk at end of line specification."));
|
||
|
||
if (!no_end && !dummy_beg && !dummy_end
|
||
&& sal.symtab != sal_end.symtab)
|
||
error (_("Specified start and end 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,
|
||
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));
|
||
|
||
gdbarch = get_objfile_arch (sal.symtab->objfile);
|
||
sym = find_pc_function (sal.pc);
|
||
if (sym)
|
||
printf_filtered ("%s is in %s (%s:%d).\n",
|
||
paddress (gdbarch, sal.pc),
|
||
SYMBOL_PRINT_NAME (sym),
|
||
sal.symtab->filename, sal.line);
|
||
else
|
||
printf_filtered ("%s is at %s:%d.\n",
|
||
paddress (gdbarch, sal.pc),
|
||
sal.symtab->filename, 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 (!linenum_beg && sal.symtab == 0)
|
||
error (_("No line number known for %s."), arg);
|
||
|
||
/* If this command is repeated with RET,
|
||
turn it into the no-arg variant. */
|
||
|
||
if (from_tty)
|
||
*arg = 0;
|
||
|
||
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);
|
||
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);
|
||
}
|
||
else
|
||
print_source_lines (sal.symtab, sal.line,
|
||
(dummy_end
|
||
? sal.line + get_lines_to_list ()
|
||
: sal_end.line + 1),
|
||
0);
|
||
}
|
||
|
||
/* 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.
|
||
MIXED is non-zero to print source with the assembler. */
|
||
|
||
static void
|
||
print_disassembly (struct gdbarch *gdbarch, const char *name,
|
||
CORE_ADDR low, CORE_ADDR high, int flags)
|
||
{
|
||
#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
|
||
printf_filtered ("from %s to %s:\n",
|
||
paddress (gdbarch, low), paddress (gdbarch, high));
|
||
|
||
/* Dump the specified range. */
|
||
gdb_disassembly (gdbarch, uiout, 0, flags, -1, low, high);
|
||
|
||
printf_filtered ("End of assembler dump.\n");
|
||
gdb_flush (gdb_stdout);
|
||
}
|
||
#if defined(TUI)
|
||
else
|
||
{
|
||
tui_show_assembly (gdbarch, low);
|
||
}
|
||
#endif
|
||
}
|
||
|
||
/* Subroutine of disassemble_command to simplify it.
|
||
Print a disassembly of the current function according to FLAGS. */
|
||
|
||
static void
|
||
disassemble_current_function (int flags)
|
||
{
|
||
struct frame_info *frame;
|
||
struct gdbarch *gdbarch;
|
||
CORE_ADDR low, high, pc;
|
||
char *name;
|
||
|
||
frame = get_selected_frame (_("No frame selected."));
|
||
gdbarch = get_frame_arch (frame);
|
||
pc = get_frame_pc (frame);
|
||
if (find_pc_partial_function (pc, &name, &low, &high) == 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 (gdbarch, low, pc);
|
||
#endif
|
||
low += gdbarch_deprecated_function_start_offset (gdbarch);
|
||
|
||
print_disassembly (gdbarch, name, low, high, flags);
|
||
}
|
||
|
||
/* Dump a specified section of assembly code.
|
||
|
||
Usage:
|
||
disassemble [/mr]
|
||
- dump the assembly code for the function of the current pc
|
||
disassemble [/mr] addr
|
||
- dump the assembly code for the function at ADDR
|
||
disassemble [/mr] low high
|
||
- dump the assembly code in the range [LOW,HIGH)
|
||
|
||
A /m modifier will include source code with the assembly.
|
||
A /r modifier will include raw instructions in hex with the assembly. */
|
||
|
||
static void
|
||
disassemble_command (char *arg, int from_tty)
|
||
{
|
||
struct gdbarch *gdbarch = get_current_arch ();
|
||
CORE_ADDR low, high;
|
||
char *name;
|
||
CORE_ADDR pc, pc_masked;
|
||
int flags;
|
||
|
||
name = NULL;
|
||
flags = 0;
|
||
|
||
if (arg && *arg == '/')
|
||
{
|
||
++arg;
|
||
|
||
if (*arg == '\0')
|
||
error (_("Missing modifier."));
|
||
|
||
while (*arg && ! isspace (*arg))
|
||
{
|
||
switch (*arg++)
|
||
{
|
||
case 'm':
|
||
flags |= DISASSEMBLY_SOURCE;
|
||
break;
|
||
case 'r':
|
||
flags |= DISASSEMBLY_RAW_INSN;
|
||
break;
|
||
default:
|
||
error (_("Invalid disassembly modifier."));
|
||
}
|
||
}
|
||
|
||
while (isspace (*arg))
|
||
++arg;
|
||
}
|
||
|
||
if (! arg || ! *arg)
|
||
{
|
||
flags |= DISASSEMBLY_OMIT_FNAME;
|
||
disassemble_current_function (flags);
|
||
return;
|
||
}
|
||
|
||
pc = value_as_address (parse_to_comma_and_eval (&arg));
|
||
if (arg[0] == ',')
|
||
++arg;
|
||
if (arg[0] == '\0')
|
||
{
|
||
/* One argument. */
|
||
if (find_pc_partial_function (pc, &name, &low, &high) == 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 (gdbarch, low, pc);
|
||
#endif
|
||
low += gdbarch_deprecated_function_start_offset (gdbarch);
|
||
flags |= DISASSEMBLY_OMIT_FNAME;
|
||
}
|
||
else
|
||
{
|
||
/* Two arguments. */
|
||
low = pc;
|
||
high = parse_and_eval_address (arg);
|
||
}
|
||
|
||
print_disassembly (gdbarch, name, low, high, flags);
|
||
}
|
||
|
||
static void
|
||
make_command (char *arg, int from_tty)
|
||
{
|
||
char *p;
|
||
|
||
if (arg == 0)
|
||
p = "make";
|
||
else
|
||
{
|
||
p = xmalloc (sizeof ("make ") + strlen (arg));
|
||
strcpy (p, "make ");
|
||
strcpy (p + sizeof ("make ") - 1, arg);
|
||
}
|
||
|
||
shell_escape (p, from_tty);
|
||
}
|
||
|
||
static void
|
||
show_user (char *args, int from_tty)
|
||
{
|
||
struct cmd_list_element *c;
|
||
extern struct cmd_list_element *cmdlist;
|
||
|
||
if (args)
|
||
{
|
||
char *comname = args;
|
||
c = lookup_cmd (&comname, cmdlist, "", 0, 1);
|
||
if (c->class != class_user)
|
||
error (_("Not a user command."));
|
||
show_user_1 (c, "", args, gdb_stdout);
|
||
}
|
||
else
|
||
{
|
||
for (c = cmdlist; c; c = c->next)
|
||
{
|
||
if (c->class == class_user || 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)
|
||
{
|
||
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"));
|
||
|
||
if (regcomp(&pattern,searchstr,REG_ICASE) == 0)
|
||
{
|
||
pattern.fastmap=pattern_fastmap;
|
||
re_compile_fastmap(&pattern);
|
||
apropos_cmd (gdb_stdout,cmdlist,&pattern,"");
|
||
}
|
||
else
|
||
{
|
||
regerror(regcomp(&pattern,searchstr,REG_ICASE),NULL,errorbuffer,512);
|
||
error (_("Error in regular expression:%s"),errorbuffer);
|
||
}
|
||
xfree (pattern_fastmap);
|
||
}
|
||
|
||
/* 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. */
|
||
|
||
static void
|
||
ambiguous_line_spec (struct symtabs_and_lines *sals)
|
||
{
|
||
int i;
|
||
|
||
for (i = 0; i < sals->nelts; ++i)
|
||
printf_filtered (_("file: \"%s\", line number: %d\n"),
|
||
sals->sals[i].symtab->filename, sals->sals[i].line);
|
||
}
|
||
|
||
static void
|
||
set_debug (char *arg, int from_tty)
|
||
{
|
||
printf_unfiltered (_("\"set debug\" must be followed by the name of a debug subcommand.\n"));
|
||
help_list (setdebuglist, "set debug ", -1, gdb_stdout);
|
||
}
|
||
|
||
static void
|
||
show_debug (char *args, int from_tty)
|
||
{
|
||
cmd_show_list (showdebuglist, from_tty, "");
|
||
}
|
||
|
||
void
|
||
init_cmd_lists (void)
|
||
{
|
||
max_user_call_depth = 1024;
|
||
|
||
cmdlist = NULL;
|
||
infolist = NULL;
|
||
enablelist = NULL;
|
||
disablelist = NULL;
|
||
togglelist = NULL;
|
||
stoplist = NULL;
|
||
deletelist = NULL;
|
||
detachlist = 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
|
||
show_info_verbose (struct ui_file *file, int from_tty,
|
||
struct cmd_list_element *c,
|
||
const char *value)
|
||
{
|
||
if (info_verbose)
|
||
fprintf_filtered (file, _("\
|
||
Verbose printing of informational messages is %s.\n"), value);
|
||
else
|
||
fprintf_filtered (file, _("Verbosity is %s.\n"), value);
|
||
}
|
||
|
||
static void
|
||
show_history_expansion_p (struct ui_file *file, int from_tty,
|
||
struct cmd_list_element *c, const char *value)
|
||
{
|
||
fprintf_filtered (file, _("History expansion on command input is %s.\n"),
|
||
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)
|
||
{
|
||
fprintf_filtered (file, _("Debugging of remote protocol is %s.\n"),
|
||
value);
|
||
}
|
||
|
||
static void
|
||
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"),
|
||
value);
|
||
}
|
||
|
||
static void
|
||
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"),
|
||
value);
|
||
}
|
||
|
||
|
||
void
|
||
init_cli_cmds (void)
|
||
{
|
||
struct cmd_list_element *c;
|
||
char *source_help_text;
|
||
|
||
/* Define the classes of commands.
|
||
They will appear in the help list in the reverse of this order. */
|
||
|
||
add_cmd ("internals", class_maintenance, NULL, _("\
|
||
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, _("\
|
||
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);
|
||
if (!dbx_commands)
|
||
add_cmd ("status", class_info, NULL, _("Status inquiries."), &cmdlist);
|
||
add_cmd ("files", class_files, NULL, _("Specifying and examining files."),
|
||
&cmdlist);
|
||
add_cmd ("breakpoints", class_breakpoint, NULL,
|
||
_("Making program stop at certain points."), &cmdlist);
|
||
add_cmd ("data", class_vars, NULL, _("Examining data."), &cmdlist);
|
||
add_cmd ("stack", class_stack, NULL, _("\
|
||
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\
|
||
At any time gdb identifies one frame as the \"selected\" frame.\n\
|
||
Variable lookups are done with respect to the selected frame.\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);
|
||
|
||
/* 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_cmd_completer (c, filename_completer);
|
||
|
||
add_com ("echo", class_support, echo_command, _("\
|
||
Print a constant string. Give string as argument.\n\
|
||
C escape sequences may be used in the argument.\n\
|
||
No newline is added at the end of the argument;\n\
|
||
use \"\\n\" if you want a newline to be printed.\n\
|
||
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."));
|
||
|
||
source_help_text = xstrprintf (_("\
|
||
Read commands from a file named FILE.\n\
|
||
Optional -v switch (before the filename) causes each command in\n\
|
||
FILE to be echoed as it is executed.\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);
|
||
|
||
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."));
|
||
c = add_com ("help", class_support, help_command,
|
||
_("Print list of commands."));
|
||
set_cmd_completer (c, command_completer);
|
||
add_com_alias ("q", "quit", class_support, 1);
|
||
add_com_alias ("h", "help", class_support, 1);
|
||
|
||
add_setshow_boolean_cmd ("verbose", class_support, &info_verbose, _("\
|
||
Set verbosity."), _("\
|
||
Show verbosity."), NULL,
|
||
set_verbose,
|
||
show_info_verbose,
|
||
&setlist, &showlist);
|
||
|
||
add_prefix_cmd ("history", class_support, set_history,
|
||
_("Generic command for setting command history parameters."),
|
||
&sethistlist, "set history ", 0, &setlist);
|
||
add_prefix_cmd ("history", class_support, show_history,
|
||
_("Generic command for showing command history parameters."),
|
||
&showhistlist, "show history ", 0, &showlist);
|
||
|
||
add_setshow_boolean_cmd ("expansion", no_class, &history_expansion_p, _("\
|
||
Set history expansion on command input."), _("\
|
||
Show history expansion on command input."), _("\
|
||
Without an argument, history expansion is enabled."),
|
||
NULL,
|
||
show_history_expansion_p,
|
||
&sethistlist, &showhistlist);
|
||
|
||
add_prefix_cmd ("info", class_info, info_command, _("\
|
||
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."),
|
||
&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, _("\
|
||
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,
|
||
_("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_setshow_zinteger_cmd ("remote", no_class, &remote_debug, _("\
|
||
Set debugging of remote protocol."), _("\
|
||
Show debugging of remote protocol."), _("\
|
||
When enabled, each packet sent or received with the remote target\n\
|
||
is displayed."),
|
||
NULL,
|
||
show_remote_debug,
|
||
&setdebuglist, &showdebuglist);
|
||
|
||
add_setshow_integer_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);
|
||
|
||
add_prefix_cmd ("debug", no_class, set_debug,
|
||
_("Generic command for setting gdb debugging flags"),
|
||
&setdebuglist, "set debug ", 0, &setlist);
|
||
|
||
add_prefix_cmd ("debug", no_class, show_debug,
|
||
_("Generic command for showing gdb debugging flags"),
|
||
&showdebuglist, "show debug ", 0, &showlist);
|
||
|
||
c = add_com ("shell", class_support, shell_escape, _("\
|
||
Execute the rest of the line as a shell command.\n\
|
||
With no arguments, run an inferior shell."));
|
||
set_cmd_completer (c, filename_completer);
|
||
|
||
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\
|
||
Editing targets can be specified in these ways:\n\
|
||
FILE:LINENUM, to edit at that line in that file,\n\
|
||
FUNCTION, to edit at the beginning of that function,\n\
|
||
FILE:FUNCTION, to distinguish among like-named static functions.\n\
|
||
*ADDRESS, to edit at the line containing that address.\n\
|
||
Uses EDITOR environment variable contents as editor (or ex as default)."));
|
||
|
||
c->completer = location_completer;
|
||
|
||
add_com ("list", class_files, list_command, _("\
|
||
List specified function or line.\n\
|
||
With no argument, lists ten more lines after or around previous listing.\n\
|
||
\"list -\" lists the ten lines before a previous ten-line listing.\n\
|
||
One argument specifies a line, and ten lines are listed around that line.\n\
|
||
Two arguments with comma between specify starting and ending lines to list.\n\
|
||
Lines can be specified in these ways:\n\
|
||
LINENUM, to list around that line in current file,\n\
|
||
FILE:LINENUM, to list around that line in that file,\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."));
|
||
|
||
if (!xdb_commands)
|
||
add_com_alias ("l", "list", class_files, 1);
|
||
else
|
||
add_com_alias ("v", "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\
|
||
With a /m modifier, source lines are included (if available).\n\
|
||
With a /r modifier, raw instructions in hex are included.\n\
|
||
With a single argument, the function surrounding that address is dumped.\n\
|
||
Two arguments (separated by a comma) are taken as a range of memory to dump."));
|
||
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\
|
||
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,
|
||
&max_user_call_depth, _("\
|
||
Set the max call depth for user-defined commands."), _("\
|
||
Show the max call depth for 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,
|
||
&setlist, &showlist);
|
||
}
|