/* Top level stuff for GDB, the GNU debugger.
- Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
- 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008,
- 2009, 2010, 2011 Free Software Foundation, Inc.
+ Copyright (C) 1986-2013 Free Software Foundation, Inc.
This file is part of GDB.
#include "cli/cli-cmds.h"
#include "python/python.h"
#include "objfiles.h"
+#include "auto-load.h"
/* The selected interpreter. This will be used as a set command
variable, so it should always be malloc'ed - since
/* GDB datadir, used to store data files. */
char *gdb_datadir = 0;
+/* Non-zero if GDB_DATADIR was provided on the command line.
+ This doesn't track whether data-directory is set later from the
+ command line, but we don't reread system.gdbinit when that happens. */
+static int gdb_datadir_provided = 0;
+
/* If gdb was configured with --with-python=/path,
the possibly relocated path to python's lib directory. */
char *python_libdir = 0;
int return_child_result = 0;
int return_child_result_value = -1;
-/* Whether to enable writing into executable and core files. */
-extern int write_files;
/* GDB as it has been invoked from the command line (i.e. argv[0]). */
static char *gdb_program_name;
static void print_gdb_help (struct ui_file *);
-/* These two are used to set the external editor commands when gdb is
- farming out files to be edited by another program. */
-
-extern char *external_editor_command;
-
/* Relocate a file or directory. PROGNAME is the name by which gdb
was invoked (i.e., argv[0]). INITIAL is the default value for the
file or directory. FLAG is true if the value is relocatable, false
otherwise. Returns a newly allocated string; this may return NULL
under the same conditions as make_relative_prefix. */
+
static char *
relocate_path (const char *progname, const char *initial, int flag)
{
the result is a directory, it is used; otherwise, INITIAL is used.
The chosen directory is then canonicalized using lrealpath. This
function always returns a newly-allocated string. */
-static char *
-relocate_directory (const char *progname, const char *initial, int flag)
+
+char *
+relocate_gdb_directory (const char *initial, int flag)
{
char *dir;
- dir = relocate_path (progname, initial, flag);
+ dir = relocate_path (gdb_program_name, initial, flag);
if (dir)
{
struct stat s;
- if (stat (dir, &s) != 0 || !S_ISDIR (s.st_mode))
+ if (*dir == '\0' || stat (dir, &s) != 0 || !S_ISDIR (s.st_mode))
{
xfree (dir);
dir = NULL;
if (!initialized)
{
struct stat homebuf, cwdbuf, s;
- char *homedir, *relocated_sysgdbinit;
+ char *homedir;
if (SYSTEM_GDBINIT[0])
{
- relocated_sysgdbinit = relocate_path (gdb_program_name,
- SYSTEM_GDBINIT,
- SYSTEM_GDBINIT_RELOCATABLE);
+ int datadir_len = strlen (GDB_DATADIR);
+ int sys_gdbinit_len = strlen (SYSTEM_GDBINIT);
+ char *relocated_sysgdbinit;
+
+ /* If SYSTEM_GDBINIT lives in data-directory, and data-directory
+ has been provided, search for SYSTEM_GDBINIT there. */
+ if (gdb_datadir_provided
+ && datadir_len < sys_gdbinit_len
+ && strncmp (SYSTEM_GDBINIT, GDB_DATADIR, datadir_len) == 0
+ && strchr (SLASH_STRING, SYSTEM_GDBINIT[datadir_len]) != NULL)
+ {
+ /* Append the part of SYSTEM_GDBINIT that follows GDB_DATADIR
+ to gdb_datadir. */
+ char *tmp_sys_gdbinit = xstrdup (SYSTEM_GDBINIT + datadir_len);
+ char *p;
+
+ for (p = tmp_sys_gdbinit; strchr (SLASH_STRING, *p); ++p)
+ continue;
+ relocated_sysgdbinit = concat (gdb_datadir, SLASH_STRING, p,
+ NULL);
+ xfree (tmp_sys_gdbinit);
+ }
+ else
+ {
+ relocated_sysgdbinit = relocate_path (gdb_program_name,
+ SYSTEM_GDBINIT,
+ SYSTEM_GDBINIT_RELOCATABLE);
+ }
if (relocated_sysgdbinit && stat (relocated_sysgdbinit, &s) == 0)
sysgdbinit = relocated_sysgdbinit;
else
static int
captured_command_loop (void *data)
{
+ /* Top-level execution commands can be run on the background from
+ here on. */
+ interpreter_async = 1;
+
current_interp_command_loop ();
/* FIXME: cagney/1999-11-05: A correct command_loop() implementaton
would clean things up (restoring the cleanup chain) to the state
are not that well behaved. do_cleanups should either be replaced
with a do_cleanups call (to cover the problem) or an assertion
check to detect bad FUNCs code. */
- do_cleanups (ALL_CLEANUPS);
+ do_cleanups (all_cleanups ());
/* If the command_loop returned, normally (rather than threw an
error) we try to quit. If the quit is aborted, catch_errors()
which called this catch the signal and restart the command
return 1;
}
+/* Arguments of --command option and its counterpart. */
+typedef struct cmdarg {
+ /* Type of this option. */
+ enum {
+ /* Option type -x. */
+ CMDARG_FILE,
+
+ /* Option type -ex. */
+ CMDARG_COMMAND,
+
+ /* Option type -ix. */
+ CMDARG_INIT_FILE,
+
+ /* Option type -iex. */
+ CMDARG_INIT_COMMAND
+ } type;
+
+ /* Value of this option - filename or the GDB command itself. String memory
+ is not owned by this structure despite it is 'const'. */
+ char *string;
+} cmdarg_s;
+
+/* Define type VEC (cmdarg_s). */
+DEF_VEC_O (cmdarg_s);
+
static int
captured_main (void *data)
{
char **argv = context->argv;
static int quiet = 0;
static int set_args = 0;
+ static int inhibit_home_gdbinit = 0;
/* Pointers to various arguments from command line. */
char *symarg = NULL;
static int print_version;
/* Pointers to all arguments of --command option. */
- struct cmdarg {
- enum {
- CMDARG_FILE,
- CMDARG_COMMAND
- } type;
- char *string;
- } *cmdarg;
- /* Allocated size of cmdarg. */
- int cmdsize;
- /* Number of elements of cmdarg used. */
- int ncmd;
+ VEC (cmdarg_s) *cmdarg_vec = NULL;
+ struct cmdarg *cmdarg_p;
/* Indices of all arguments of --directory option. */
char **dirarg;
int save_auto_load;
struct objfile *objfile;
- struct cleanup *pre_stat_chain = make_command_stats_cleanup (0);
+ struct cleanup *pre_stat_chain;
+
+#ifdef HAVE_SBRK
+ /* Set this before calling make_command_stats_cleanup. */
+ lim_at_start = (char *) sbrk (0);
+#endif
+
+ pre_stat_chain = make_command_stats_cleanup (0);
#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
setlocale (LC_MESSAGES, "");
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
-#ifdef HAVE_SBRK
- lim_at_start = (char *) sbrk (0);
-#endif
+ bfd_init ();
- cmdsize = 1;
- cmdarg = (struct cmdarg *) xmalloc (cmdsize * sizeof (*cmdarg));
- ncmd = 0;
+ make_cleanup (VEC_cleanup (cmdarg_s), &cmdarg_vec);
dirsize = 1;
dirarg = (char **) xmalloc (dirsize * sizeof (*dirarg));
ndir = 0;
- quit_flag = 0;
- line = (char *) xmalloc (linesize);
- line[0] = '\0'; /* Terminate saved (now empty) cmd line. */
+ clear_quit_flag ();
+ saved_command_line = (char *) xmalloc (saved_command_line_size);
+ saved_command_line[0] = '\0';
instream = stdin;
gdb_stdout = stdio_fileopen (stdout);
current_directory = gdb_dirbuf;
/* Set the sysroot path. */
- gdb_sysroot = relocate_directory (argv[0], TARGET_SYSTEM_ROOT,
- TARGET_SYSTEM_ROOT_RELOCATABLE);
+ gdb_sysroot = relocate_gdb_directory (TARGET_SYSTEM_ROOT,
+ TARGET_SYSTEM_ROOT_RELOCATABLE);
- debug_file_directory = relocate_directory (argv[0], DEBUGDIR,
- DEBUGDIR_RELOCATABLE);
+ debug_file_directory = relocate_gdb_directory (DEBUGDIR,
+ DEBUGDIR_RELOCATABLE);
- gdb_datadir = relocate_directory (argv[0], GDB_DATADIR,
- GDB_DATADIR_RELOCATABLE);
+ gdb_datadir = relocate_gdb_directory (GDB_DATADIR,
+ GDB_DATADIR_RELOCATABLE);
#ifdef WITH_PYTHON_PATH
{
/* For later use in helping Python find itself. */
char *tmp = concat (WITH_PYTHON_PATH, SLASH_STRING, "lib", NULL);
- python_libdir = relocate_directory (argv[0], tmp,
- PYTHON_PATH_RELOCATABLE);
+ python_libdir = relocate_gdb_directory (tmp, PYTHON_PATH_RELOCATABLE);
xfree (tmp);
}
#endif
OPT_STATISTICS,
OPT_TUI,
OPT_NOWINDOWS,
- OPT_WINDOWS
+ OPT_WINDOWS,
+ OPT_IX,
+ OPT_IEX
};
static struct option long_options[] =
{
{"quiet", no_argument, &quiet, 1},
{"q", no_argument, &quiet, 1},
{"silent", no_argument, &quiet, 1},
+ {"nh", no_argument, &inhibit_home_gdbinit, 1},
{"nx", no_argument, &inhibit_gdbinit, 1},
{"n", no_argument, &inhibit_gdbinit, 1},
{"batch-silent", no_argument, 0, 'B'},
{"batch", no_argument, &batch_flag, 1},
- {"epoch", no_argument, &epoch_interface, 1},
/* This is a synonym for "--annotate=1". --annotate is now
preferred, but keep this here for a long time because people
{"version", no_argument, &print_version, 1},
{"x", required_argument, 0, 'x'},
{"ex", required_argument, 0, 'X'},
+ {"init-command", required_argument, 0, OPT_IX},
+ {"init-eval-command", required_argument, 0, OPT_IEX},
+ {"ix", required_argument, 0, OPT_IX},
+ {"iex", required_argument, 0, OPT_IEX},
#ifdef GDBTK
{"tclcommand", required_argument, 0, 'z'},
{"enable-external-editor", no_argument, 0, 'y'},
pidarg = optarg;
break;
case 'x':
- cmdarg[ncmd].type = CMDARG_FILE;
- cmdarg[ncmd++].string = optarg;
- if (ncmd >= cmdsize)
- {
- cmdsize *= 2;
- cmdarg = xrealloc ((char *) cmdarg,
- cmdsize * sizeof (*cmdarg));
- }
+ {
+ struct cmdarg cmdarg = { CMDARG_FILE, optarg };
+
+ VEC_safe_push (cmdarg_s, cmdarg_vec, &cmdarg);
+ }
break;
case 'X':
- cmdarg[ncmd].type = CMDARG_COMMAND;
- cmdarg[ncmd++].string = optarg;
- if (ncmd >= cmdsize)
- {
- cmdsize *= 2;
- cmdarg = xrealloc ((char *) cmdarg,
- cmdsize * sizeof (*cmdarg));
- }
+ {
+ struct cmdarg cmdarg = { CMDARG_COMMAND, optarg };
+
+ VEC_safe_push (cmdarg_s, cmdarg_vec, &cmdarg);
+ }
+ break;
+ case OPT_IX:
+ {
+ struct cmdarg cmdarg = { CMDARG_INIT_FILE, optarg };
+
+ VEC_safe_push (cmdarg_s, cmdarg_vec, &cmdarg);
+ }
+ break;
+ case OPT_IEX:
+ {
+ struct cmdarg cmdarg = { CMDARG_INIT_COMMAND, optarg };
+
+ VEC_safe_push (cmdarg_s, cmdarg_vec, &cmdarg);
+ }
break;
case 'B':
batch_flag = batch_silent = 1;
case 'D':
xfree (gdb_datadir);
gdb_datadir = xstrdup (optarg);
+ gdb_datadir_provided = 1;
break;
#ifdef GDBTK
case 'z':
break;
case 'w':
{
+ /* Set the external editor commands when gdb is farming out files
+ to be edited by another program. */
+ extern char *external_editor_command;
+
external_editor_command = xstrdup (optarg);
break;
}
global parameters, which are independent of what file you are
debugging or what directory you are in. */
- if (home_gdbinit && !inhibit_gdbinit)
+ if (home_gdbinit && !inhibit_gdbinit && !inhibit_home_gdbinit)
catch_command_errors (source_script, home_gdbinit, 0, RETURN_MASK_ALL);
+ /* Process '-ix' and '-iex' options early. */
+ for (i = 0; VEC_iterate (cmdarg_s, cmdarg_vec, i, cmdarg_p); i++)
+ switch (cmdarg_p->type)
+ {
+ case CMDARG_INIT_FILE:
+ catch_command_errors (source_script, cmdarg_p->string,
+ !batch_flag, RETURN_MASK_ALL);
+ break;
+ case CMDARG_INIT_COMMAND:
+ catch_command_errors (execute_command, cmdarg_p->string,
+ !batch_flag, RETURN_MASK_ALL);
+ break;
+ }
+
/* Now perform all the actions indicated by the arguments. */
if (cdarg != NULL)
{
/* Skip auto-loading section-specified scripts until we've sourced
local_gdbinit (which is often used to augment the source search
path). */
- save_auto_load = gdbpy_global_auto_load;
- gdbpy_global_auto_load = 0;
+ save_auto_load = global_auto_load;
+ global_auto_load = 0;
if (execarg != NULL
&& symarg != NULL
/* Read the .gdbinit file in the current directory, *if* it isn't
the same as the $HOME/.gdbinit file (it should exist, also). */
- if (local_gdbinit && !inhibit_gdbinit)
- catch_command_errors (source_script, local_gdbinit, 0, RETURN_MASK_ALL);
+ if (local_gdbinit)
+ {
+ auto_load_local_gdbinit_pathname = gdb_realpath (local_gdbinit);
+
+ if (!inhibit_gdbinit && auto_load_local_gdbinit
+ && file_is_auto_load_safe (local_gdbinit,
+ _("auto-load: Loading .gdbinit "
+ "file \"%s\".\n"),
+ local_gdbinit))
+ {
+ auto_load_local_gdbinit_loaded = 1;
+
+ catch_command_errors (source_script, local_gdbinit, 0,
+ RETURN_MASK_ALL);
+ }
+ }
/* Now that all .gdbinit's have been read and all -d options have been
processed, we can read any scripts mentioned in SYMARG.
We wait until now because it is common to add to the source search
path in local_gdbinit. */
- gdbpy_global_auto_load = save_auto_load;
+ global_auto_load = save_auto_load;
ALL_OBJFILES (objfile)
load_auto_scripts_for_objfile (objfile);
- for (i = 0; i < ncmd; i++)
+ /* Process '-x' and '-ex' options. */
+ for (i = 0; VEC_iterate (cmdarg_s, cmdarg_vec, i, cmdarg_p); i++)
+ switch (cmdarg_p->type)
{
- if (cmdarg[i].type == CMDARG_FILE)
- catch_command_errors (source_script, cmdarg[i].string,
+ case CMDARG_FILE:
+ catch_command_errors (source_script, cmdarg_p->string,
!batch_flag, RETURN_MASK_ALL);
- else /* cmdarg[i].type == CMDARG_COMMAND */
- catch_command_errors (execute_command, cmdarg[i].string,
+ break;
+ case CMDARG_COMMAND:
+ catch_command_errors (execute_command, cmdarg_p->string,
!batch_flag, RETURN_MASK_ALL);
+ break;
}
- xfree (cmdarg);
/* Read in the old history after all the command files have been
read. */
Execute a single GDB command.\n\
May be used multiple times and in conjunction\n\
with --command.\n\
+ --init-command=FILE, -ix Like -x but execute it before loading inferior.\n\
+ --init-eval-command=COMMAND, -iex Like -ex but before loading inferior.\n\
--core=COREFILE Analyze the core dump COREFILE.\n\
--pid=PID Attach to running process PID.\n\
"), stream);
fputs_unfiltered (_("\
--dbx DBX compatibility mode.\n\
--directory=DIR Search for source files in DIR.\n\
- --epoch Output information used by epoch emacs-GDB interface.\n\
--exec=EXECFILE Use EXECFILE as the executable.\n\
--fullname Output information used by emacs-GDB interface.\n\
--help Print this message.\n\
fputs_unfiltered (_("\
-l TIMEOUT Set timeout in seconds for remote debugging.\n\
--nw Do not use a window interface.\n\
- --nx Do not read "), stream);
+ --nx Do not read any "), stream);
+ fputs_unfiltered (gdbinit, stream);
+ fputs_unfiltered (_(" files.\n\
+ --nh Do not read "), stream);
fputs_unfiltered (gdbinit, stream);
- fputs_unfiltered (_(" file.\n\
+ fputs_unfiltered (_(" file from home directory.\n\
--quiet Do not print version number on startup.\n\
--readnow Fully read symbol files on first access.\n\
"), stream);
"), home_gdbinit);
if (local_gdbinit)
fprintf_unfiltered (stream, _("\
- * local init file: ./%s\n\
+ * local init file (see also 'set auto-load local-gdbinit'): ./%s\n\
"), local_gdbinit);
fputs_unfiltered (_("\n\
For more information, type \"help\" from within GDB, or consult the\n\
projects / binutils-gdb.git / blobdiff