/* Interface GDB to the GNU Hurd.
Copyright (C) 1992, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2006, 2007,
- 2008, 2009 Free Software Foundation, Inc.
+ 2008, 2009, 2010 Free Software Foundation, Inc.
This file is part of GDB.
{
mach_msg_type_number_t state_size = THREAD_STATE_SIZE;
error_t err =
- thread_get_state (proc->port, THREAD_STATE_FLAVOR,
- (thread_state_t) &proc->state, &state_size);
+ thread_get_state (proc->port, THREAD_STATE_FLAVOR,
+ (thread_state_t) &proc->state, &state_size);
+
proc_debug (proc, "getting thread state");
proc->state_valid = !err;
}
else
{
error_t err = proc_pid2task (proc_server, pid, &task_port);
+
if (err)
error (_("Error getting task for pid %d: %s"), pid, safe_strerror (err));
}
mach_msg_type_number_t pi_len = 0;
int info_flags = 0;
error_t err =
- proc_getprocinfo (proc_server, inf->pid, &info_flags,
- (procinfo_t *) &pi, &pi_len, &noise, &noise_len);
+ proc_getprocinfo (proc_server, inf->pid, &info_flags,
+ (procinfo_t *) &pi, &pi_len, &noise, &noise_len);
if (!err)
{
error_t err =
INF_RESUME_MSGPORT_RPC (inf, msg_set_init_int (msgport, refport,
INIT_TRACEMASK, mask));
+
if (err == EIEIO)
{
if (on)
inf_update_suspends (struct inf *inf)
{
struct proc *task = inf->task;
+
/* We don't have to update INF->threads even though we're iterating over it
because we'll change a thread only if it already has an existing proc
entry. */
-
inf_debug (inf, "updating suspend counts");
if (task)
inf_port_to_thread (struct inf *inf, mach_port_t port)
{
struct proc *thread = inf->threads;
+
while (thread)
if (thread->port == port)
return thread;
if (task)
{
error_t err = task_threads (task->port, &threads, &num_threads);
+
inf_debug (inf, "fetching threads");
if (err)
/* TASK must be dead. */
struct proc *run_thread, int run_others)
{
struct proc *thread;
+
inf_update_procs (inf);
for (thread = inf->threads; thread; thread = thread->next)
if (thread == run_thread)
extremely large)! */
{
struct inf_wait *w = &inf->wait;
+
if (w->status.kind == TARGET_WAITKIND_STOPPED
&& w->status.value.sig == sig
&& w->thread && !w->thread->aborted)
i.e., we pretend it's global. */
{
struct exc_state *e = &w->exc;
+
inf_debug (inf, "passing through exception:"
" task = %d, thread = %d, exc = %d"
", code = %d, subcode = %d",
else
{
struct proc *thread = inf_port_to_thread (inf, dead_port);
+
if (thread)
{
proc_debug (thread, "is dead");
{
struct mach_port_status status;
error_t err =
- mach_port_get_receive_status (mach_task_self (), port, &status);
+ mach_port_get_receive_status (mach_task_self (), port, &status);
if (err)
return 0;
/* Just allow a single thread to run. */
{
struct proc *thread = inf_tid_to_thread (inf, ptid_get_tid (ptid));
+
if (!thread)
error (_("Can't run single thread id %s: no such thread!"),
target_pid_to_str (ptid));
gnu_kill_inferior (struct target_ops *ops)
{
struct proc *task = gnu_current_inf->task;
+
if (task)
{
proc_debug (task, "terminating...");
struct inf *inf = cur_inf ();
struct inferior *inferior;
- if (!args)
- error_no_arg (_("process-id to attach"));
+ pid = parse_pid_to_attach (args);
- pid = atoi (args);
-
- if (pid == getpid ()) /* Trying to masturbate? */
+ if (pid == getpid ()) /* Trying to masturbate? */
error (_("I refuse to debug myself!"));
if (from_tty)
push_target (ops);
- inferior = add_inferior (pid);
+ inferior = current_inferior ();
+ inferior_appeared (inferior, pid);
inferior->attach_flag = 1;
inf_update_procs (inf);
if (from_tty)
{
char *exec_file = get_exec_file (0);
+
if (exec_file)
printf_unfiltered ("Detaching from program `%s' pid %d\n",
exec_file, gnu_current_inf->pid);
proc_string (struct proc *proc)
{
static char tid_str[80];
+
if (proc_is_task (proc))
sprintf (tid_str, "process %d", proc->inf->pid);
else
else
{
static char tid_str[80];
+
sprintf (tid_str, "bogus thread id %d", tid);
return tid_str;
}
{
char *arg_end;
int val = strtoul (args, &arg_end, 10);
+
if (*args && *arg_end == '\0')
return val;
}
active_inf (void)
{
struct inf *inf = cur_inf ();
+
if (!inf->task)
error (_("No current process."));
return inf;
show_task_pause_cmd (char *args, int from_tty)
{
struct inf *inf = cur_inf ();
+
check_empty (args, "show task pause");
printf_unfiltered ("The inferior task %s suspended while gdb has control.\n",
inf->task
set_thread_default_pause_cmd (char *args, int from_tty)
{
struct inf *inf = cur_inf ();
+
inf->default_thread_pause_sc =
parse_bool_arg (args, "set thread default pause") ? 0 : 1;
}
{
struct inf *inf = cur_inf ();
int sc = inf->default_thread_pause_sc;
+
check_empty (args, "show thread default pause");
printf_unfiltered ("New threads %s suspended while gdb has control%s.\n",
sc ? "are" : "aren't",
set_thread_default_run_cmd (char *args, int from_tty)
{
struct inf *inf = cur_inf ();
+
inf->default_thread_run_sc =
parse_bool_arg (args, "set thread default run") ? 0 : 1;
}
show_thread_default_run_cmd (char *args, int from_tty)
{
struct inf *inf = cur_inf ();
+
check_empty (args, "show thread default run");
printf_unfiltered ("New threads %s allowed to run.\n",
inf->default_thread_run_sc == 0 ? "are" : "aren't");
set_task_exc_port_cmd (char *args, int from_tty)
{
struct inf *inf = cur_inf ();
+
if (!args)
error (_("No argument to \"set task exception-port\" command."));
steal_exc_port (inf->task, parse_and_eval_address (args));
show_stopped_cmd (char *args, int from_tty)
{
struct inf *inf = active_inf ();
+
check_empty (args, "show stopped");
printf_unfiltered ("The inferior process %s stopped.\n",
inf->stopped ? "is" : "isn't");
else
{
int tid = ptid_get_tid (thread_id_to_pid (atoi (args)));
+
if (tid < 0)
error (_("Thread ID %s not known. Use the \"info threads\" command to\n"
"see the IDs of currently known threads."), args);
show_sig_thread_cmd (char *args, int from_tty)
{
struct inf *inf = active_inf ();
+
check_empty (args, "show signal-thread");
if (inf->signal_thread)
printf_unfiltered ("The signal thread is %s.\n",
show_signals_cmd (char *args, int from_tty)
{
struct inf *inf = cur_inf ();
+
check_empty (args, "show signals");
printf_unfiltered ("The inferior process's signals %s intercepted.\n",
inf->task
show_exceptions_cmd (char *args, int from_tty)
{
struct inf *inf = cur_inf ();
+
check_empty (args, "show exceptions");
printf_unfiltered ("Exceptions in the inferior %s trapped.\n",
inf->task
struct value *val = parse_to_comma_and_eval (&args);
long right = value_as_long (val);
error_t err =
- print_port_info (right, 0, inf->task->port, PORTINFO_DETAILS,
- stdout);
+ print_port_info (right, 0, inf->task->port, PORTINFO_DETAILS,
+ stdout);
+
if (err)
error (_("%ld: %s."), right, safe_strerror (err));
}
/* Print all of them. */
{
error_t err =
- print_task_ports_info (inf->task->port, only, PORTINFO_DETAILS,
- stdout);
+ print_task_ports_info (inf->task->port, only, PORTINFO_DETAILS,
+ stdout);
if (err)
error (_("%s."), safe_strerror (err));
}
Set whether gdb thinks the inferior process is stopped as with SIGSTOP.\n\
Stopped process will be continued by sending them a signal."),
&setlist);
- add_cmd ("stopped", no_class, show_signals_cmd, _("\
+ add_cmd ("stopped", no_class, show_stopped_cmd, _("\
Show whether gdb thinks the inferior process is stopped as with SIGSTOP."),
&showlist);
{
struct proc *thread = cur_thread ();
int old_sc = thread->pause_sc;
+
thread->pause_sc = parse_bool_arg (args, "set thread pause");
if (old_sc == 0 && thread->pause_sc != 0 && thread->inf->pause_sc == 0)
/* If the task is currently unsuspended, immediately suspend it,
{
struct proc *thread = cur_thread ();
int sc = thread->pause_sc;
+
check_empty (args, "show task pause");
printf_unfiltered ("Thread %s %s suspended while gdb has control%s.\n",
proc_string (thread),
set_thread_run_cmd (char *args, int from_tty)
{
struct proc *thread = cur_thread ();
+
thread->run_sc = parse_bool_arg (args, "set thread run") ? 0 : 1;
}
show_thread_run_cmd (char *args, int from_tty)
{
struct proc *thread = cur_thread ();
+
check_empty (args, "show thread run");
printf_unfiltered ("Thread %s %s allowed to run.",
proc_string (thread),
show_thread_detach_sc_cmd (char *args, int from_tty)
{
struct proc *thread = cur_thread ();
+
check_empty (args, "show thread detach-suspend-count");
printf_unfiltered ("Thread %s will be left with a suspend count"
" of %d when detaching.\n",
set_thread_exc_port_cmd (char *args, int from_tty)
{
struct proc *thread = cur_thread ();
+
if (!args)
error (_("No argument to \"set thread exception-port\" command."));
steal_exc_port (thread, parse_and_eval_address (args));
show_thread_cmd (char *args, int from_tty)
{
struct proc *thread = cur_thread ();
+
check_empty (args, "show thread");
show_thread_run_cmd (0, from_tty);
show_thread_pause_cmd (0, from_tty);
thread_takeover_sc_cmd (char *args, int from_tty)
{
struct proc *thread = cur_thread ();
+
thread_basic_info_data_t _info;
thread_basic_info_t info = &_info;
mach_msg_type_number_t info_len = THREAD_BASIC_INFO_COUNT;
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