#include "gdbthread.h"
#include "valprint.h"
#include "inline-frame.h"
+#include "tracepoint.h"
/* Functions exported for general use, in inferior.h: */
#define ERROR_NO_INFERIOR \
if (!target_has_execution) error (_("The program is not being run."));
-/* String containing arguments to give to the program, separated by spaces.
- Empty string (pointer to '\0') means no args. */
+/* Scratch area where string containing arguments to give to the program will be
+ stored by 'set args'. As soon as anything is stored, notice_args_set will
+ move it into per-inferior storage. Arguments are separated by spaces. Empty
+ string (pointer to '\0') means no args. */
-static char *inferior_args;
+static char *inferior_args_scratch;
-/* The inferior arguments as a vector. If INFERIOR_ARGC is nonzero,
- then we must compute INFERIOR_ARGS from this (via the target). */
+/* Scratch area where 'set inferior-tty' will store user-provided value.
+ We'll immediate copy it into per-inferior storage. */
-static int inferior_argc;
-static char **inferior_argv;
-
-/* File name for default use for standard in/out in the inferior. */
-
-static char *inferior_io_terminal;
+static char *inferior_io_terminal_scratch;
/* Pid of our debugged inferior, or 0 if no inferior now.
Since various parts of infrun.c test this to see whether there is a program
/* Nonzero if stopped due to completion of a stack dummy routine. */
-int stop_stack_dummy;
+enum stop_stack_kind stop_stack_dummy;
/* Nonzero if stopped due to a random (unexpected) signal in inferior
process. */
int stopped_by_random_signal;
-/* Environment to use for running inferior,
- in format described in environ.h. */
-
-struct gdb_environ *inferior_environ;
\f
/* Accessor routines. */
+/* Set the io terminal for the current inferior. Ownership of
+ TERMINAL_NAME is not transferred. */
+
void
set_inferior_io_terminal (const char *terminal_name)
{
- if (inferior_io_terminal)
- xfree (inferior_io_terminal);
-
- if (!terminal_name)
- inferior_io_terminal = NULL;
- else
- inferior_io_terminal = xstrdup (terminal_name);
+ xfree (current_inferior ()->terminal);
+ current_inferior ()->terminal = terminal_name ? xstrdup (terminal_name) : 0;
}
const char *
get_inferior_io_terminal (void)
{
- return inferior_io_terminal;
+ return current_inferior ()->terminal;
+}
+
+static void
+set_inferior_tty_command (char *args, int from_tty,
+ struct cmd_list_element *c)
+{
+ /* CLI has assigned the user-provided value to inferior_io_terminal_scratch.
+ Now route it to current inferior. */
+ set_inferior_io_terminal (inferior_io_terminal_scratch);
+}
+
+static void
+show_inferior_tty_command (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c, const char *value)
+{
+ /* Note that we ignore the passed-in value in favor of computing it
+ directly. */
+ const char *inferior_io_terminal = get_inferior_io_terminal ();
+ if (inferior_io_terminal == NULL)
+ inferior_io_terminal = "";
+ fprintf_filtered (gdb_stdout,
+ _("Terminal for future runs of program being debugged "
+ "is \"%s\".\n"), inferior_io_terminal);
}
char *
get_inferior_args (void)
{
- if (inferior_argc != 0)
+ if (current_inferior ()->argc != 0)
{
- char *n, *old;
+ char *n;
- n = construct_inferior_arguments (inferior_argc, inferior_argv);
- old = set_inferior_args (n);
- xfree (old);
+ n = construct_inferior_arguments (current_inferior ()->argc,
+ current_inferior ()->argv);
+ set_inferior_args (n);
+ xfree (n);
}
- if (inferior_args == NULL)
- inferior_args = xstrdup ("");
+ if (current_inferior ()->args == NULL)
+ current_inferior ()->args = xstrdup ("");
- return inferior_args;
+ return current_inferior ()->args;
}
-char *
+/* Set the arguments for the current inferior. Ownership of
+ NEWARGS is not transferred. */
+
+void
set_inferior_args (char *newargs)
{
- char *saved_args = inferior_args;
-
- inferior_args = newargs;
- inferior_argc = 0;
- inferior_argv = 0;
-
- return saved_args;
+ xfree (current_inferior ()->args);
+ current_inferior ()->args = newargs ? xstrdup (newargs) : NULL;
+ current_inferior ()->argc = 0;
+ current_inferior ()->argv = 0;
}
void
set_inferior_args_vector (int argc, char **argv)
{
- inferior_argc = argc;
- inferior_argv = argv;
+ current_inferior ()->argc = argc;
+ current_inferior ()->argv = argv;
}
/* Notice when `set args' is run. */
static void
-notice_args_set (char *args, int from_tty, struct cmd_list_element *c)
+set_args_command (char *args, int from_tty, struct cmd_list_element *c)
{
- inferior_argc = 0;
- inferior_argv = 0;
+ /* CLI has assigned the user-provided value to inferior_args_scratch.
+ Now route it to current inferior. */
+ set_inferior_args (inferior_args_scratch);
}
/* Notice when `show args' is run. */
static void
-notice_args_read (struct ui_file *file, int from_tty,
- struct cmd_list_element *c, const char *value)
+show_args_command (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c, const char *value)
{
/* Note that we ignore the passed-in value in favor of computing it
directly. */
return 0;
}
-void
-tty_command (char *file, int from_tty)
-{
- if (file == 0)
- error_no_arg (_("terminal name for running target process"));
-
- set_inferior_io_terminal (file);
-}
-
/* Common actions to take after creating any sort of inferior, by any
means (running, attaching, connecting, et cetera). The target
should be stopped. */
/* Now that we know the register layout, retrieve current PC. */
stop_pc = regcache_read_pc (get_current_regcache ());
- /* If the solist is global across processes, there's no need to
- refetch it here. */
- if (exec_bfd && !gdbarch_has_global_solist (target_gdbarch))
- {
- /* Sometimes the platform-specific hook loads initial shared
- libraries, and sometimes it doesn't. Try to do so first, so
- that we can add them with the correct value for FROM_TTY.
- If we made all the inferior hook methods consistent,
- this call could be removed. */
-#ifdef SOLIB_ADD
- SOLIB_ADD (NULL, from_tty, target, auto_solib_add);
-#else
- solib_add (NULL, from_tty, target, auto_solib_add);
-#endif
- }
-
if (exec_bfd)
{
/* Create the hooks to handle shared library load and unload
#ifdef SOLIB_CREATE_INFERIOR_HOOK
SOLIB_CREATE_INFERIOR_HOOK (PIDGET (inferior_ptid));
#else
- solib_create_inferior_hook ();
+ solib_create_inferior_hook (from_tty);
+#endif
+ }
+
+ /* If the solist is global across processes, there's no need to
+ refetch it here. */
+ if (exec_bfd && !gdbarch_has_global_solist (target_gdbarch))
+ {
+ /* Sometimes the platform-specific hook loads initial shared
+ libraries, and sometimes it doesn't. If it doesn't FROM_TTY will be
+ incorrectly 0 but such solib targets should be fixed anyway. If we
+ made all the inferior hook methods consistent, this call could be
+ removed. Call it only after the solib target has been initialized by
+ solib_create_inferior_hook. */
+
+#ifdef SOLIB_ADD
+ SOLIB_ADD (NULL, 0, target, auto_solib_add);
+#else
+ solib_add (NULL, 0, target, auto_solib_add);
#endif
}
/* If there were other args, beside '&', process them. */
if (args)
- {
- char *old_args = set_inferior_args (xstrdup (args));
- xfree (old_args);
- }
+ set_inferior_args (args);
}
if (from_tty)
/* We call get_inferior_args() because we might need to compute
the value now. */
target_create_inferior (exec_file, get_inferior_args (),
- environ_vector (inferior_environ), from_tty);
+ environ_vector (current_inferior ()->environment), from_tty);
/* We're starting off a new process. When we get out of here, in
non-stop mode, finish the state of all threads of that process,
static void
run_no_args_command (char *args, int from_tty)
{
- char *old_args = set_inferior_args (xstrdup (""));
- xfree (old_args);
+ set_inferior_args ("");
}
\f
Cannot execute this command without a live selected thread."));
}
+/* If the user is looking at trace frames, any resumption of execution
+ is likely to mix up recorded and live target data. So simply
+ disallow those commands. */
+
+void
+ensure_not_tfind_mode (void)
+{
+ if (get_traceframe_number () >= 0)
+ error (_("\
+Cannot execute this command while looking at trace frames."));
+}
+
void
continue_1 (int all_threads)
{
ERROR_NO_INFERIOR;
+ ensure_not_tfind_mode ();
if (non_stop && all_threads)
{
int thread = -1;
ERROR_NO_INFERIOR;
+ ensure_not_tfind_mode ();
ensure_valid_thread ();
ensure_not_running ();
int async_exec = 0;
ERROR_NO_INFERIOR;
+ ensure_not_tfind_mode ();
ensure_valid_thread ();
ensure_not_running ();
dont_repeat (); /* Too dangerous. */
ERROR_NO_INFERIOR;
+ ensure_not_tfind_mode ();
ensure_valid_thread ();
ensure_not_running ();
{
int async_exec = 0;
- if (!target_has_execution)
- error (_("The program is not running."));
+ ERROR_NO_INFERIOR;
+ ensure_not_tfind_mode ();
+ ensure_valid_thread ();
+ ensure_not_running ();
/* Find out whether we must run in the background. */
if (arg != NULL)
{
int async_exec = 0;
- if (!target_has_execution)
- error (_("The program is not running."));
+ ERROR_NO_INFERIOR;
+ ensure_not_tfind_mode ();
+ ensure_valid_thread ();
+ ensure_not_running ();
if (arg == NULL)
error_no_arg (_("a location"));
_("finish_command: function has no target type"));
if (TYPE_CODE (value_type) != TYPE_CODE_VOID)
- print_return_value (SYMBOL_TYPE (a->function), value_type);
+ {
+ volatile struct gdb_exception ex;
+
+ TRY_CATCH (ex, RETURN_MASK_ALL)
+ {
+ /* print_return_value can throw an exception in some
+ circumstances. We need to catch this so that we still
+ delete the breakpoint. */
+ print_return_value (SYMBOL_TYPE (a->function), value_type);
+ }
+ if (ex.reason < 0)
+ exception_print (gdb_stdout, ex);
+ }
}
/* We suppress normal call of normal_stop observer and do it here so
int async_exec = 0;
+ ERROR_NO_INFERIOR;
+ ensure_not_tfind_mode ();
+ ensure_valid_thread ();
+ ensure_not_running ();
+
/* Find out whether we must run in the background. */
if (arg != NULL)
async_exec = strip_bg_char (&arg);
if (arg)
error (_("The \"finish\" command does not take any arguments."));
- if (!target_has_execution)
- error (_("The program is not running."));
frame = get_prev_frame (get_selected_frame (_("No selected frame.")));
if (frame == 0)
{
if (var)
{
- char *val = get_in_environ (inferior_environ, var);
+ char *val = get_in_environ (current_inferior ()->environment, var);
if (val)
{
puts_filtered (var);
}
else
{
- char **vector = environ_vector (inferior_environ);
+ char **vector = environ_vector (current_inferior ()->environment);
while (*vector)
{
puts_filtered (*vector++);
printf_filtered (_("\
Setting environment variable \"%s\" to null value.\n"),
var);
- set_in_environ (inferior_environ, var, "");
+ set_in_environ (current_inferior ()->environment, var, "");
}
else
- set_in_environ (inferior_environ, var, val);
+ set_in_environ (current_inferior ()->environment, var, val);
xfree (var);
}
Ask for confirmation if reading from the terminal. */
if (!from_tty || query (_("Delete all environment variables? ")))
{
- free_environ (inferior_environ);
- inferior_environ = make_environ ();
+ free_environ (current_inferior ()->environment);
+ current_inferior ()->environment = make_environ ();
}
}
else
- unset_in_environ (inferior_environ, var);
+ unset_in_environ (current_inferior ()->environment, var);
}
/* Handle the execution path (PATH variable) */
path_info (char *args, int from_tty)
{
puts_filtered ("Executable and object file path: ");
- puts_filtered (get_in_environ (inferior_environ, path_var_name));
+ puts_filtered (get_in_environ (current_inferior ()->environment, path_var_name));
puts_filtered ("\n");
}
char *exec_path;
char *env;
dont_repeat ();
- env = get_in_environ (inferior_environ, path_var_name);
+ env = get_in_environ (current_inferior ()->environment, path_var_name);
/* Can be null if path is not set */
if (!env)
env = "";
exec_path = xstrdup (env);
mod_path (dirname, &exec_path);
- set_in_environ (inferior_environ, path_var_name, exec_path);
+ set_in_environ (current_inferior ()->environment, path_var_name, exec_path);
xfree (exec_path);
if (from_tty)
path_info ((char *) NULL, from_tty);
if (ptid_equal (inferior_ptid, null_ptid))
error (_("The program is not being run."));
+ disconnect_or_stop_tracing (from_tty);
+
target_detach (args, from_tty);
/* If the solist is global across inferiors, don't clear it when we
/* add the filename of the terminal connected to inferior I/O */
add_setshow_filename_cmd ("inferior-tty", class_run,
- &inferior_io_terminal, _("\
+ &inferior_io_terminal_scratch, _("\
Set terminal for future runs of program being debugged."), _("\
Show terminal for future runs of program being debugged."), _("\
-Usage: set inferior-tty /dev/pts/1"), NULL, NULL, &setlist, &showlist);
+Usage: set inferior-tty /dev/pts/1"),
+ set_inferior_tty_command,
+ show_inferior_tty_command,
+ &setlist, &showlist);
add_com_alias ("tty", "set inferior-tty", class_alias, 0);
add_setshow_optional_filename_cmd ("args", class_run,
- &inferior_args, _("\
+ &inferior_args_scratch, _("\
Set argument list to give program being debugged when it is started."), _("\
Show argument list to give program being debugged when it is started."), _("\
Follow this command with any number of args, to be passed to the program."),
- notice_args_set,
- notice_args_read,
+ set_args_command,
+ show_args_command,
&setlist, &showlist);
c = add_cmd ("environment", no_class, environment_info, _("\
add_info ("vector", vector_info,
_("Print the status of the vector unit\n"));
-
- inferior_environ = make_environ ();
- init_environ (inferior_environ);
}
projects / deliverable / binutils-gdb.git / blobdiff