Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
- 2008 Free Software Foundation, Inc.
+ 2008, 2009 Free Software Foundation, Inc.
This file is part of GDB.
#include "gdb_assert.h"
#include "main.h"
#include "event-loop.h"
+#include "gdbthread.h"
/* readline include files */
#include "readline/readline.h"
int remote_debug = 0;
-/* Non-zero means the target is running. Note: this is different from
- saying that there is an active target and we are stopped at a
- breakpoint, for instance. This is a real indicator whether the
- target is off and running, which gdb is doing something else. */
-int target_executing = 0;
-
/* Sbrk location on entry to main. Used for statistics only. */
#ifdef HAVE_SBRK
char *lim_at_start;
char *(*deprecated_readline_hook) (char *);
void (*deprecated_readline_end_hook) (void);
-/* Called as appropriate to notify the interface of the specified breakpoint
- conditions. */
-
-void (*deprecated_create_breakpoint_hook) (struct breakpoint * bpt);
-void (*deprecated_delete_breakpoint_hook) (struct breakpoint * bpt);
-void (*deprecated_modify_breakpoint_hook) (struct breakpoint * bpt);
-
/* Called as appropriate to notify the interface that we have attached
to or detached from an already running process. */
}
#endif
-/* Do any commands attached to breakpoint we stopped at. Only if we
- are always running synchronously. Or if we have just executed a
- command that doesn't start the target. */
-static void
-command_line_handler_continuation (struct continuation_arg *arg, int error)
-{
- extern int display_time;
- extern int display_space;
-
- long time_at_cmd_start = arg->data.longint;
- long space_at_cmd_start = arg->next->data.longint;
-
- if (error)
- return;
-
- bpstat_do_actions (&stop_bpstat);
-
- if (display_time)
- {
- long cmd_time = get_run_time () - time_at_cmd_start;
-
- printf_unfiltered (_("Command execution time: %ld.%06ld\n"),
- cmd_time / 1000000, cmd_time % 1000000);
- }
- if (display_space)
- {
-#ifdef HAVE_SBRK
- char *lim = (char *) sbrk (0);
- long space_now = lim - lim_at_start;
- long space_diff = space_now - space_at_cmd_start;
-
- printf_unfiltered (_("Space used: %ld (%c%ld for this command)\n"),
- space_now,
- (space_diff >= 0 ? '+' : '-'),
- space_diff);
-#endif
- }
-}
-
/* Execute the line P as a command.
Pass FROM_TTY as second argument to the defining function. */
+/* Execute command P, in the current user context. */
+
void
execute_command (char *p, int from_tty)
{
enum language flang;
static int warned = 0;
char *line;
- struct continuation_arg *arg1;
- struct continuation_arg *arg2;
long time_at_cmd_start = 0;
#ifdef HAVE_SBRK
long space_at_cmd_start = 0;
c = lookup_cmd (&p, cmdlist, "", 0, 1);
- /* If the target is running, we allow only a limited set of
- commands. */
- if (target_can_async_p () && target_executing && !get_cmd_async_ok (c))
- error (_("Cannot execute this command while the target is running."));
+ /* If the selected thread has terminated, we allow only a
+ limited set of commands. */
+ if (target_can_async_p ()
+ && is_exited (inferior_ptid)
+ && !get_cmd_no_selected_thread_ok (c))
+ error (_("\
+Cannot execute this command without a live selected thread. See `help thread'."));
/* Pass null arg rather than an empty one. */
arg = *p ? p : 0;
/* FIXME: This should be cacheing the frame and only running when
the frame changes. */
- if (!target_executing && target_has_stack)
+ if (target_has_stack && is_stopped (inferior_ptid))
{
flang = get_frame_language ();
if (!warned
warned = 1;
}
}
-
- /* Set things up for this function to be compete later, once the
- execution has completed, if we are doing an execution command,
- otherwise, just go ahead and finish. */
- if (target_can_async_p () && target_executing)
- {
- arg1 =
- (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
- arg2 =
- (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
- arg1->next = arg2;
- arg2->next = NULL;
- arg1->data.longint = time_at_cmd_start;
-#ifdef HAVE_SBRK
- arg2->data.longint = space_at_cmd_start;
-#endif
- add_continuation (command_line_handler_continuation, arg1);
- }
}
/* Read commands from `instream' and execute them
}
execute_command (command, instream == stdin);
- /* Do any commands attached to breakpoint we stopped at. */
- bpstat_do_actions (&stop_bpstat);
+
+ /* Do any commands attached to breakpoint we are stopped at. */
+ bpstat_do_actions ();
+
do_cleanups (old_chain);
if (display_time)
program to parse, and is just canonical program name and version
number, which starts after last space. */
- fprintf_filtered (stream, "GNU gdb %s\n", version);
+ fprintf_filtered (stream, "GNU gdb %s%s\n", PKGVERSION, version);
/* Second line is a copyright notice. */
- fprintf_filtered (stream, "Copyright (C) 2008 Free Software Foundation, Inc.\n");
+ fprintf_filtered (stream, "Copyright (C) 2009 Free Software Foundation, Inc.\n");
/* Following the copyright is a brief statement that the program is
free software, that users are free to copy and change it on
fprintf_filtered (stream, "%s", host_name);
}
fprintf_filtered (stream, "\".");
+
+ if (REPORT_BUGS_TO[0])
+ {
+ fprintf_filtered (stream,
+ _("\nFor bug reporting instructions, please see:\n"));
+ fprintf_filtered (stream, "%s.", REPORT_BUGS_TO);
+ }
}
\f
/* get_prompt: access method for the GDB prompt string. */
if (! ptid_equal (inferior_ptid, null_ptid) && target_has_execution)
{
char *s;
+ struct inferior *inf = current_inferior ();
/* This is something of a hack. But there's no reliable way to
see if a GUI is running. The `use_windows' variable doesn't
cut it. */
if (deprecated_init_ui_hook)
s = "A debugging session is active.\nDo you still want to close the debugger?";
- else if (attach_flag)
+ else if (inf->attach_flag)
s = "The program is running. Quit anyway (and detach it)? ";
else
s = "The program is running. Quit anyway (and kill it)? ";
return 1;
}
-/* Helper routine for quit_force that requires error handling. */
-
struct qt_args
{
char *args;
int from_tty;
};
+/* Callback for iterate_over_threads. Finds any thread of inferior
+ given by ARG (really an int*). */
+
static int
-quit_target (void *arg)
+any_thread_of (struct thread_info *thread, void *arg)
{
- struct qt_args *qt = (struct qt_args *)arg;
+ int pid = * (int *)arg;
- if (! ptid_equal (inferior_ptid, null_ptid) && target_has_execution)
+ if (PIDGET (thread->ptid) == pid)
+ return 1;
+
+ return 0;
+}
+
+/* Callback for iterate_over_inferiors. Kills or detaches the given
+ inferior, depending on how we originally gained control of it. */
+
+static int
+kill_or_detach (struct inferior *inf, void *args)
+{
+ struct qt_args *qt = args;
+ struct thread_info *thread;
+
+ thread = iterate_over_threads (any_thread_of, &inf->pid);
+ if (thread)
{
- if (attach_flag)
- target_detach (qt->args, qt->from_tty);
+ switch_to_thread (thread->ptid);
+ if (inf->attach_flag)
+ target_detach (qt->args, qt->from_tty);
else
- target_kill ();
+ target_kill ();
}
- /* UDI wants this, to kill the TIP. */
- target_close (¤t_target, 1);
+ return 0;
+}
+
+/* Helper routine for quit_force that requires error handling. */
+
+static int
+quit_target (void *arg)
+{
+ struct qt_args *qt = (struct qt_args *)arg;
+
+ /* Kill or detach all inferiors. */
+ iterate_over_inferiors (kill_or_detach, qt);
+
+ /* Give all pushed targets a chance to do minimal cleanup, and pop
+ them all out. */
+ pop_all_targets (1);
/* Save the history information if it is appropriate to do so. */
if (write_history_p && history_filename)
/* Run the init function of each source file */
- getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
- current_directory = gdb_dirbuf;
-
#ifdef __MSDOS__
/* Make sure we return to the original directory upon exit, come
what may, since the OS doesn't do that for us. */
projects / binutils-gdb.git / blobdiff