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- This comparison shows the changes necessary to convert path
/or1k/trunk/gdb-6.8/gdb/cli
- from Rev 1763 to Rev 1765
- ↔ Reverse comparison
Rev 1763 → Rev 1765
/cli-cmds.c
0,0 → 1,1431
/* GDB CLI commands. |
|
Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008 |
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 3 of the License, or |
(at your option) any later version. |
|
This program is distributed in the hope that it will be useful, |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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, see <http://www.gnu.org/licenses/>. */ |
|
#include "defs.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 "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 "objfiles.h" |
#include "source.h" |
#include "disasm.h" |
|
#include "ui-out.h" |
|
#include "top.h" |
#include "cli/cli-decode.h" |
#include "cli/cli-script.h" |
#include "cli/cli-setshow.h" |
#include "cli/cli-cmds.h" |
|
#ifdef TUI |
#include "tui/tui.h" /* For tui_active et.al. */ |
#endif |
|
#include <fcntl.h> |
|
/* 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); |
|
static void make_command (char *, int); |
|
static void shell_escape (char *, int); |
|
static void edit_command (char *, int); |
|
static void list_command (char *, int); |
|
void apropos_command (char *, int); |
|
/* Prototypes for local utility functions */ |
|
static void ambiguous_line_spec (struct symtabs_and_lines *); |
|
/* Limit the call depth of user-defined commands */ |
int max_user_call_depth; |
|
/* Define all cmd_list_elements. */ |
|
/* Chain containing all defined commands. */ |
|
struct cmd_list_element *cmdlist; |
|
/* Chain containing all defined info subcommands. */ |
|
struct cmd_list_element *infolist; |
|
/* Chain containing all defined enable subcommands. */ |
|
struct cmd_list_element *enablelist; |
|
/* 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. */ |
|
struct cmd_list_element *stoplist; |
|
/* Chain containing all defined delete subcommands. */ |
|
struct cmd_list_element *deletelist; |
|
/* Chain containing all defined detach subcommands. */ |
|
struct cmd_list_element *detachlist; |
|
/* Chain containing all defined "enable breakpoint" subcommands. */ |
|
struct cmd_list_element *enablebreaklist; |
|
/* Chain containing all defined set subcommands */ |
|
struct cmd_list_element *setlist; |
|
/* Chain containing all defined unset subcommands */ |
|
struct cmd_list_element *unsetlist; |
|
/* Chain containing all defined show subcommands. */ |
|
struct cmd_list_element *showlist; |
|
/* Chain containing all defined \"set history\". */ |
|
struct cmd_list_element *sethistlist; |
|
/* Chain containing all defined \"show history\". */ |
|
struct cmd_list_element *showhistlist; |
|
/* Chain containing all defined \"unset history\". */ |
|
struct cmd_list_element *unsethistlist; |
|
/* Chain containing all defined maintenance subcommands. */ |
|
struct cmd_list_element *maintenancelist; |
|
/* Chain containing all defined "maintenance info" subcommands. */ |
|
struct cmd_list_element *maintenanceinfolist; |
|
/* Chain containing all defined "maintenance print" subcommands. */ |
|
struct cmd_list_element *maintenanceprintlist; |
|
struct cmd_list_element *setprintlist; |
|
struct cmd_list_element *showprintlist; |
|
struct cmd_list_element *setdebuglist; |
|
struct cmd_list_element *showdebuglist; |
|
struct cmd_list_element *setchecklist; |
|
struct cmd_list_element *showchecklist; |
|
/* Command tracing state. */ |
|
int source_verbose = 0; |
int trace_commands = 0; |
|
/* Utility used everywhere when at least one argument is needed and |
none is supplied. */ |
|
void |
error_no_arg (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. */ |
|
static void |
info_command (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); |
} |
|
/* The "show" command with no arguments shows all the settings. */ |
|
static void |
show_command (char *arg, int from_tty) |
{ |
cmd_show_list (showlist, from_tty, ""); |
} |
|
/* Provide documentation on command or list given by COMMAND. FROM_TTY |
is ignored. */ |
|
static void |
help_command (char *command, int from_tty) |
{ |
help_cmd (command, gdb_stdout); |
} |
|
/* 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. */ |
|
static void |
complete_command (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 (strchr (rl_completer_word_break_characters, point[-1]) != 0) |
break; |
point--; |
} |
|
arg_prefix = alloca (point - arg + 1); |
memcpy (arg_prefix, arg, point - arg); |
arg_prefix[point - arg] = 0; |
|
completions = complete_line (point, arg, argpoint); |
|
if (completions) |
{ |
int item, size; |
|
for (size = 0; completions[size]; ++size) |
; |
qsort (completions, size, sizeof (char *), compare_strings); |
|
/* We do extra processing here since we only want to print each |
unique item once. */ |
item = 0; |
while (item < size) |
{ |
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])) |
{ |
xfree (completions[next_item]); |
++next_item; |
} |
|
xfree (completions[item]); |
item = next_item; |
} |
|
xfree (completions); |
} |
} |
|
int |
is_complete_command (struct cmd_list_element *c) |
{ |
return cmd_cfunc_eq (c, complete_command); |
} |
|
static void |
show_version (char *args, int from_tty) |
{ |
immediate_quit++; |
print_gdb_version (gdb_stdout); |
printf_filtered ("\n"); |
immediate_quit--; |
} |
|
/* Handle the quit command. */ |
|
void |
quit_command (char *args, int from_tty) |
{ |
if (!quit_confirm ()) |
error (_("Not confirmed.")); |
quit_force (args, from_tty); |
} |
|
|
/* JPB: Some picky Ubuntu GCC compilers don't like the result of getcwd being |
ignored (even if you cast it to void). So capture the value and ignore |
THAT. */ |
static void |
pwd_command (char *args, int from_tty) |
{ |
char *res; /* For getcwd result */ |
if (args) |
error (_("The \"pwd\" command does not take an argument: %s"), args); |
res = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); |
|
if (strcmp (gdb_dirbuf, current_directory) != 0) |
printf_unfiltered (_("Working directory %s\n (canonically %s).\n"), |
current_directory, gdb_dirbuf); |
else |
printf_unfiltered (_("Working directory %s.\n"), current_directory); |
} |
|
void |
cd_command (char *dir, int from_tty) |
{ |
int len; |
/* Found something other than leading repetitions of "/..". */ |
int found_real_path; |
char *p; |
|
/* If the new directory is absolute, repeat is a no-op; if relative, |
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); |
|
if (chdir (dir) < 0) |
perror_with_name (dir); |
|
#ifdef HAVE_DOS_BASED_FILE_SYSTEM |
/* 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)); |
#endif |
|
len = strlen (dir); |
if (IS_DIR_SEPARATOR (dir[len - 1])) |
{ |
/* Remove the trailing slash unless this is a root directory |
(including a drive letter on non-Unix systems). */ |
if (!(len == 1) /* "/" */ |
#ifdef HAVE_DOS_BASED_FILE_SYSTEM |
&& !(len == 3 && dir[1] == ':') /* "d:/" */ |
#endif |
) |
len--; |
} |
|
dir = savestring (dir, len); |
if (IS_ABSOLUTE_PATH (dir)) |
current_directory = dir; |
else |
{ |
if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1])) |
current_directory = concat (current_directory, dir, (char *)NULL); |
else |
current_directory = concat (current_directory, SLASH_STRING, |
dir, (char *)NULL); |
xfree (dir); |
} |
|
/* Now simplify any occurrences of `.' and `..' in the pathname. */ |
|
found_real_path = 0; |
for (p = current_directory; *p;) |
{ |
if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' |
&& (p[2] == 0 || IS_DIR_SEPARATOR (p[2]))) |
strcpy (p, p + 2); |
else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.' |
&& (p[3] == 0 || IS_DIR_SEPARATOR (p[3]))) |
{ |
if (found_real_path) |
{ |
/* 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; |
|
if (q == current_directory) |
/* current_directory is |
a relative pathname ("can't happen"--leave it alone). */ |
++p; |
else |
{ |
strcpy (q - 1, p + 3); |
p = q - 1; |
} |
} |
else |
/* We are dealing with leading repetitions of "/..", for example |
"/../..", which is the Mach super-root. */ |
p += 3; |
} |
else |
{ |
found_real_path = 1; |
++p; |
} |
} |
|
forget_cached_source_info (); |
|
if (from_tty) |
pwd_command ((char *) 0, 1); |
} |
|
void |
source_script (char *file, int from_tty) |
{ |
FILE *stream; |
struct cleanup *old_cleanups; |
char *full_pathname = NULL; |
int fd; |
|
if (file == NULL || *file == 0) |
{ |
error (_("source command requires file name of file to source.")); |
} |
|
file = tilde_expand (file); |
old_cleanups = make_cleanup (xfree, file); |
|
/* Search for and open 'file' on the search path used for source |
files. Put the full location in 'full_pathname'. */ |
fd = openp (source_path, OPF_TRY_CWD_FIRST, |
file, O_RDONLY, 0, &full_pathname); |
|
/* Use the full path name, if it is found. */ |
if (full_pathname != NULL && fd != -1) |
{ |
file = full_pathname; |
} |
|
if (fd == -1) |
{ |
if (from_tty) |
perror_with_name (file); |
else |
return; |
} |
|
stream = fdopen (fd, FOPEN_RT); |
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); |
} |
|
|
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 (&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; |
int cmdlen, log10; |
unsigned m; |
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) return; /* C++ */ |
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 == '*') |
{ |
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)); |
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); |
} |
else |
{ |
deprecated_print_address_numeric (sal.pc, 1, gdb_stdout); |
printf_filtered (" is at %s:%d.\n", |
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"; |
|
/* 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); |
|
/* 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 == '*') |
{ |
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)); |
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); |
} |
else |
{ |
deprecated_print_address_numeric (sal.pc, 1, gdb_stdout); |
printf_filtered (" is at %s:%d.\n", |
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); |
} |
|
/* 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. */ |
|
static void |
disassemble_command (char *arg, int from_tty) |
{ |
CORE_ADDR low, high; |
char *name; |
CORE_ADDR pc, pc_masked; |
char *space_index; |
#if 0 |
asection *section; |
#endif |
|
name = NULL; |
if (!arg) |
{ |
pc = get_frame_pc (get_selected_frame (_("No frame selected."))); |
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 (low, pc); |
#endif |
low += gdbarch_deprecated_function_start_offset (current_gdbarch); |
} |
else if (!(space_index = (char *) strchr (arg, ' '))) |
{ |
/* One argument. */ |
pc = parse_and_eval_address (arg); |
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 (low, pc); |
#endif |
low += gdbarch_deprecated_function_start_offset (current_gdbarch); |
} |
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 |
{ |
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"); |
} |
|
/* 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); |
} |
#endif |
} |
|
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) |
{ |
c = lookup_cmd (&args, cmdlist, "", 0, 1); |
if (c->class != class_user) |
error (_("Not a user command.")); |
show_user_1 (c, gdb_stdout); |
} |
else |
{ |
for (c = cmdlist; c; c = c->next) |
{ |
if (c->class == class_user) |
show_user_1 (c, 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 print 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_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 ("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 single argument, the function surrounding that address is dumped.\n\ |
Two arguments 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); |
} |