/* Multi-process control for GDB, the GNU debugger.
- Copyright (C) 2008-2019 Free Software Foundation, Inc.
+ Copyright (C) 2008-2023 Free Software Foundation, Inc.
This file is part of GDB.
#include "symfile.h"
#include "gdbsupport/environ.h"
#include "cli/cli-utils.h"
-#include "continuations.h"
#include "arch-utils.h"
#include "target-descriptions.h"
+#include "target-connection.h"
#include "readline/tilde.h"
#include "progspace-and-thread.h"
+#include "gdbsupport/buildargv.h"
+#include "cli/cli-style.h"
+#include "interps.h"
-/* Keep a registry of per-inferior data-pointers required by other GDB
- modules. */
-
-DEFINE_REGISTRY (inferior, REGISTRY_ACCESS_FIELD)
-
-struct inferior *inferior_list = NULL;
+intrusive_list<inferior> inferior_list;
static int highest_inferior_num;
/* See inferior.h. */
/* The Current Inferior. This is a strong reference. I.e., whenever
an inferior is the current inferior, its refcount is
incremented. */
-static struct inferior *current_inferior_ = NULL;
+static inferior_ref current_inferior_;
struct inferior*
current_inferior (void)
{
- return current_inferior_;
+ return current_inferior_.get ();
}
void
/* There's always an inferior. */
gdb_assert (inf != NULL);
- inf->incref ();
- current_inferior_->decref ();
- current_inferior_ = inf;
+ current_inferior_ = inferior_ref::new_reference (inf);
}
private_inferior::~private_inferior () = default;
inferior::~inferior ()
{
- inferior *inf = this;
-
- discard_all_inferior_continuations (inf);
- inferior_free_data (inf);
- xfree (inf->args);
- xfree (inf->terminal);
- target_desc_info_free (inf->tdesc_info);
+ /* Before the inferior is deleted, all target_ops should be popped from
+ the target stack, this leaves just the dummy_target behind. If this
+ is not done, then any target left in the target stack will be left
+ with an artificially high reference count. As the dummy_target is
+ still on the target stack then we are about to loose a reference to
+ that target, leaving its reference count artificially high. However,
+ this is not critical as the dummy_target is a singleton. */
+ gdb_assert (m_target_stack.top ()->stratum () == dummy_stratum);
+
+ m_continuations.clear ();
}
inferior::inferior (int pid_)
: num (++highest_inferior_num),
pid (pid_),
- environment (gdb_environ::from_host_environ ()),
- registry_data ()
+ environment (gdb_environ::from_host_environ ())
{
- inferior_alloc_data (this);
+ m_target_stack.push (get_dummy_target ());
}
-struct inferior *
-add_inferior_silent (int pid)
+/* See inferior.h. */
+
+int
+inferior::unpush_target (struct target_ops *t)
{
- inferior *inf = new inferior (pid);
+ /* If unpushing the process stratum target from the inferior while threads
+ exist in the inferior, ensure that we don't leave any threads of the
+ inferior in the target's "resumed with pending wait status" list.
- if (inferior_list == NULL)
- inferior_list = inf;
- else
+ See also the comment in set_thread_exited. */
+ if (t->stratum () == process_stratum)
{
- inferior *last;
+ process_stratum_target *proc_target = as_process_stratum_target (t);
- for (last = inferior_list; last->next != NULL; last = last->next)
- ;
- last->next = inf;
+ for (thread_info *thread : this->non_exited_threads ())
+ proc_target->maybe_remove_resumed_with_pending_wait_status (thread);
}
+ return m_target_stack.unpush (t);
+}
+
+/* See inferior.h. */
+
+void
+inferior::unpush_target_and_assert (struct target_ops *target)
+{
+ gdb_assert (current_inferior () == this);
+
+ if (!unpush_target (target))
+ internal_error ("pop_all_targets couldn't find target %s\n",
+ target->shortname ());
+}
+
+/* See inferior.h. */
+
+void
+inferior::pop_all_targets_above (enum strata stratum)
+{
+ /* Unpushing a target might cause it to close. Some targets currently
+ rely on the current_inferior being set for their ::close method, so we
+ temporarily switch inferior now. */
+ scoped_restore_current_pspace_and_thread restore_pspace_and_thread;
+ switch_to_inferior_no_thread (this);
+
+ while (top_target ()->stratum () > stratum)
+ unpush_target_and_assert (top_target ());
+}
+
+/* See inferior.h. */
+
+void
+inferior::pop_all_targets_at_and_above (enum strata stratum)
+{
+ /* Unpushing a target might cause it to close. Some targets currently
+ rely on the current_inferior being set for their ::close method, so we
+ temporarily switch inferior now. */
+ scoped_restore_current_pspace_and_thread restore_pspace_and_thread;
+ switch_to_inferior_no_thread (this);
+
+ while (top_target ()->stratum () >= stratum)
+ unpush_target_and_assert (top_target ());
+}
+
+void
+inferior::set_tty (std::string terminal_name)
+{
+ m_terminal = std::move (terminal_name);
+}
+
+const std::string &
+inferior::tty ()
+{
+ return m_terminal;
+}
+
+/* See inferior.h. */
+
+void
+inferior::set_args (gdb::array_view<char * const> args)
+{
+ set_args (construct_inferior_arguments (args));
+}
+
+void
+inferior::add_continuation (std::function<void ()> &&cont)
+{
+ m_continuations.emplace_front (std::move (cont));
+}
+
+void
+inferior::do_all_continuations ()
+{
+ while (!m_continuations.empty ())
+ {
+ auto iter = m_continuations.begin ();
+ (*iter) ();
+ m_continuations.erase (iter);
+ }
+}
+
+/* Notify interpreters and observers that inferior INF was added. */
+
+static void
+notify_inferior_added (inferior *inf)
+{
+ interps_notify_inferior_added (inf);
gdb::observers::inferior_added.notify (inf);
+}
+
+struct inferior *
+add_inferior_silent (int pid)
+{
+ inferior *inf = new inferior (pid);
+
+ inferior_list.push_back (*inf);
+
+ notify_inferior_added (inf);
if (pid != 0)
inferior_appeared (inf, pid);
if (print_inferior_events)
{
if (pid != 0)
- printf_unfiltered (_("[New inferior %d (%s)]\n"),
- inf->num,
- target_pid_to_str (ptid_t (pid)).c_str ());
+ gdb_printf (_("[New inferior %d (%s)]\n"),
+ inf->num,
+ target_pid_to_str (ptid_t (pid)).c_str ());
else
- printf_unfiltered (_("[New inferior %d]\n"), inf->num);
+ gdb_printf (_("[New inferior %d]\n"), inf->num);
}
return inf;
}
+/* See inferior.h. */
+
+thread_info *
+inferior::find_thread (ptid_t ptid)
+{
+ auto it = this->ptid_thread_map.find (ptid);
+ if (it != this->ptid_thread_map.end ())
+ return it->second;
+ else
+ return nullptr;
+}
+
+/* See inferior.h. */
+
void
-delete_inferior (struct inferior *todel)
+inferior::clear_thread_list ()
{
- struct inferior *inf, *infprev;
+ thread_list.clear_and_dispose ([=] (thread_info *thr)
+ {
+ threads_debug_printf ("deleting thread %s",
+ thr->ptid.to_string ().c_str ());
+ set_thread_exited (thr, {}, true /* silent */);
+ if (thr->deletable ())
+ delete thr;
+ });
+ ptid_thread_map.clear ();
+}
- infprev = NULL;
+/* Notify interpreters and observers that inferior INF was removed. */
- for (inf = inferior_list; inf; infprev = inf, inf = inf->next)
- if (inf == todel)
- break;
+static void
+notify_inferior_removed (inferior *inf)
+{
+ interps_notify_inferior_removed (inf);
+ gdb::observers::inferior_removed.notify (inf);
+}
- if (!inf)
- return;
+void
+delete_inferior (struct inferior *inf)
+{
+ inf->clear_thread_list ();
- for (thread_info *tp : inf->threads_safe ())
- delete_thread_silent (tp);
+ auto it = inferior_list.iterator_to (*inf);
+ inferior_list.erase (it);
- if (infprev)
- infprev->next = inf->next;
- else
- inferior_list = inf->next;
+ notify_inferior_removed (inf);
- gdb::observers::inferior_removed.notify (inf);
+ /* Pop all targets now, this ensures that inferior::unpush is called
+ correctly. As pop_all_targets ends up making a temporary switch to
+ inferior INF then we need to make this call before we delete the
+ program space, which we do below. */
+ inf->pop_all_targets ();
/* If this program space is rendered useless, remove it. */
- if (program_space_empty_p (inf->pspace))
- delete_program_space (inf->pspace);
+ if (inf->pspace->empty ())
+ delete inf->pspace;
delete inf;
}
-/* If SILENT then be quiet -- don't announce a inferior exit, or the
- exit of its threads. */
+/* Notify interpreters and observers that inferior INF disappeared. */
static void
-exit_inferior_1 (struct inferior *inftoex, int silent)
+notify_inferior_disappeared (inferior *inf)
{
- struct inferior *inf;
-
- for (inf = inferior_list; inf; inf = inf->next)
- if (inf == inftoex)
- break;
+ interps_notify_inferior_disappeared (inf);
+ gdb::observers::inferior_exit.notify (inf);
+}
- if (!inf)
- return;
+/* See inferior.h. */
- for (thread_info *tp : inf->threads_safe ())
- {
- if (silent)
- delete_thread_silent (tp);
- else
- delete_thread (tp);
- }
+void
+exit_inferior (struct inferior *inf)
+{
+ inf->clear_thread_list ();
- gdb::observers::inferior_exit.notify (inf);
+ notify_inferior_disappeared (inf);
inf->pid = 0;
inf->fake_pid_p = false;
inf->vfork_child = NULL;
}
- inf->pending_detach = 0;
+ inf->pending_detach = false;
/* Reset it. */
inf->control = inferior_control_state (NO_STOP_QUIETLY);
reinit_frame_cache ();
}
-void
-exit_inferior (inferior *inf)
-{
- exit_inferior_1 (inf, 0);
-}
-
-void
-exit_inferior_silent (int pid)
-{
- struct inferior *inf = find_inferior_pid (pid);
-
- exit_inferior_1 (inf, 1);
-}
-
-void
-exit_inferior_silent (inferior *inf)
-{
- exit_inferior_1 (inf, 1);
-}
-
/* See inferior.h. */
void
detach_inferior (inferior *inf)
{
- /* Save the pid, since exit_inferior_1 will reset it. */
+ /* Save the pid, since exit_inferior will reset it. */
int pid = inf->pid;
- exit_inferior_1 (inf, 0);
+ exit_inferior (inf);
if (print_inferior_events)
- printf_unfiltered (_("[Inferior %d (%s) detached]\n"),
- inf->num,
- target_pid_to_str (ptid_t (pid)).c_str ());
+ gdb_printf (_("[Inferior %d (%s) detached]\n"),
+ inf->num,
+ target_pid_to_str (ptid_t (pid)).c_str ());
+}
+
+/* Notify interpreters and observers that inferior INF appeared. */
+
+static void
+notify_inferior_appeared (inferior *inf)
+{
+ interps_notify_inferior_appeared (inf);
+ gdb::observers::inferior_appeared.notify (inf);
}
void
{
/* If this is the first inferior with threads, reset the global
thread id. */
+ delete_exited_threads ();
if (!any_thread_p ())
init_thread_list ();
inf->pid = pid;
- inf->has_exit_code = 0;
+ inf->has_exit_code = false;
inf->exit_code = 0;
- gdb::observers::inferior_appeared.notify (inf);
-}
-
-void
-discard_all_inferiors (void)
-{
- for (inferior *inf : all_non_exited_inferiors ())
- exit_inferior_silent (inf);
+ notify_inferior_appeared (inf);
}
struct inferior *
}
struct inferior *
-find_inferior_pid (int pid)
+find_inferior_pid (process_stratum_target *targ, int pid)
{
/* Looking for inferior pid == 0 is always wrong, and indicative of
a bug somewhere else. There may be more than one with pid == 0,
for instance. */
gdb_assert (pid != 0);
- for (inferior *inf : all_inferiors ())
+ for (inferior *inf : all_inferiors (targ))
if (inf->pid == pid)
return inf;
/* See inferior.h */
struct inferior *
-find_inferior_ptid (ptid_t ptid)
+find_inferior_ptid (process_stratum_target *targ, ptid_t ptid)
{
- return find_inferior_pid (ptid.pid ());
+ return find_inferior_pid (targ, ptid.pid ());
}
/* See inferior.h. */
return NULL;
}
-struct inferior *
-iterate_over_inferiors (int (*callback) (struct inferior *, void *),
- void *data)
-{
- for (inferior *inf : all_inferiors_safe ())
- if ((*callback) (inf, data))
- return inf;
-
- return NULL;
-}
-
int
have_inferiors (void)
{
in the middle of a 'mourn' operation. */
int
-number_of_live_inferiors (void)
+number_of_live_inferiors (process_stratum_target *proc_target)
{
int num_inf = 0;
- for (inferior *inf : all_non_exited_inferiors ())
- if (target_has_execution_1 (ptid_t (inf->pid)))
+ for (inferior *inf : all_non_exited_inferiors (proc_target))
+ if (inf->has_execution ())
for (thread_info *tp ATTRIBUTE_UNUSED : inf->non_exited_threads ())
{
/* Found a live thread in this inferior, go to the next
int
have_live_inferiors (void)
{
- return number_of_live_inferiors () > 0;
+ return number_of_live_inferiors (NULL) > 0;
}
/* Prune away any unused inferiors, and then prune away no longer used
void
prune_inferiors (void)
{
- struct inferior *ss, **ss_link;
-
- ss = inferior_list;
- ss_link = &inferior_list;
- while (ss)
+ for (inferior *inf : all_inferiors_safe ())
{
- if (!ss->deletable ()
- || !ss->removable
- || ss->pid != 0)
- {
- ss_link = &ss->next;
- ss = *ss_link;
- continue;
- }
+ if (!inf->deletable ()
+ || !inf->removable
+ || inf->pid != 0)
+ continue;
- *ss_link = ss->next;
- delete_inferior (ss);
- ss = *ss_link;
+ delete_inferior (inf);
}
}
print_selected_inferior (struct ui_out *uiout)
{
struct inferior *inf = current_inferior ();
- const char *filename = inf->pspace->pspace_exec_filename;
+ const char *filename = inf->pspace->exec_filename.get ();
if (filename == NULL)
filename = _("<noexec>");
inf->num, inferior_pid_to_str (inf->pid).c_str (), filename);
}
+/* Helper for print_inferior. Returns the 'connection-id' string for
+ PROC_TARGET. */
+
+static std::string
+uiout_field_connection (process_stratum_target *proc_target)
+{
+ if (proc_target == NULL)
+ return {};
+ else
+ {
+ std::string conn_str = make_target_connection_string (proc_target);
+ return string_printf ("%d (%s)", proc_target->connection_number,
+ conn_str.c_str ());
+ }
+}
+
/* Prints the list of inferiors and their details on UIOUT. This is a
version of 'info_inferior_command' suitable for use from MI.
print_inferior (struct ui_out *uiout, const char *requested_inferiors)
{
int inf_count = 0;
+ size_t connection_id_len = 20;
/* Compute number of inferiors we will print. */
for (inferior *inf : all_inferiors ())
if (!number_is_in_list (requested_inferiors, inf->num))
continue;
+ std::string conn = uiout_field_connection (inf->process_target ());
+ if (connection_id_len < conn.size ())
+ connection_id_len = conn.size ();
+
++inf_count;
}
return;
}
- ui_out_emit_table table_emitter (uiout, 4, inf_count, "inferiors");
+ ui_out_emit_table table_emitter (uiout, 5, inf_count, "inferiors");
uiout->table_header (1, ui_left, "current", "");
uiout->table_header (4, ui_left, "number", "Num");
uiout->table_header (17, ui_left, "target-id", "Description");
+ uiout->table_header (connection_id_len, ui_left,
+ "connection-id", "Connection");
uiout->table_header (17, ui_left, "exec", "Executable");
uiout->table_body ();
+
+ /* Restore the current thread after the loop because we switch the
+ inferior in the loop. */
+ scoped_restore_current_pspace_and_thread restore_pspace_thread;
+ inferior *current_inf = current_inferior ();
for (inferior *inf : all_inferiors ())
{
if (!number_is_in_list (requested_inferiors, inf->num))
ui_out_emit_tuple tuple_emitter (uiout, NULL);
- if (inf == current_inferior ())
+ if (inf == current_inf)
uiout->field_string ("current", "*");
else
uiout->field_skip ("current");
uiout->field_signed ("number", inf->num);
+ /* Because target_pid_to_str uses the current inferior,
+ switch the inferior. */
+ switch_to_inferior_no_thread (inf);
+
uiout->field_string ("target-id", inferior_pid_to_str (inf->pid));
- if (inf->pspace->pspace_exec_filename != NULL)
- uiout->field_string ("exec", inf->pspace->pspace_exec_filename);
+ std::string conn = uiout_field_connection (inf->process_target ());
+ uiout->field_string ("connection-id", conn);
+
+ if (inf->pspace->exec_filename != nullptr)
+ uiout->field_string ("exec", inf->pspace->exec_filename.get (),
+ file_name_style.style ());
else
uiout->field_skip ("exec");
if (!args || !*args)
error (_("Requires argument (inferior id(s) to detach)"));
+ scoped_restore_current_thread restore_thread;
+
number_or_range_parser parser (args);
while (!parser.finished ())
{
if (!args || !*args)
error (_("Requires argument (inferior id(s) to kill)"));
+ scoped_restore_current_thread restore_thread;
+
number_or_range_parser parser (args);
while (!parser.finished ())
{
bfd_cache_close_all ();
}
+/* See inferior.h. */
+
+void
+switch_to_inferior_no_thread (inferior *inf)
+{
+ set_current_inferior (inf);
+ switch_to_no_thread ();
+ set_current_program_space (inf->pspace);
+}
+
+/* See regcache.h. */
+
+gdb::optional<scoped_restore_current_thread>
+maybe_switch_inferior (inferior *inf)
+{
+ gdb::optional<scoped_restore_current_thread> maybe_restore_thread;
+ if (inf != current_inferior ())
+ {
+ maybe_restore_thread.emplace ();
+ switch_to_inferior_no_thread (inf);
+ }
+
+ return maybe_restore_thread;
+}
+
static void
inferior_command (const char *args, int from_tty)
{
struct inferior *inf;
int num;
- num = parse_and_eval_long (args);
-
- inf = find_inferior_id (num);
- if (inf == NULL)
- error (_("Inferior ID %d not known."), num);
-
- if (inf->pid != 0)
+ if (args == nullptr)
{
- if (inf != current_inferior ())
- {
- thread_info *tp = any_thread_of_inferior (inf);
- if (tp == NULL)
- error (_("Inferior has no threads."));
+ inf = current_inferior ();
+ gdb_assert (inf != nullptr);
+ const char *filename = inf->pspace->exec_filename.get ();
- switch_to_thread (tp);
- }
+ if (filename == nullptr)
+ filename = _("<noexec>");
- gdb::observers::user_selected_context_changed.notify
- (USER_SELECTED_INFERIOR
- | USER_SELECTED_THREAD
- | USER_SELECTED_FRAME);
+ gdb_printf (_("[Current inferior is %d [%s] (%s)]\n"),
+ inf->num, inferior_pid_to_str (inf->pid).c_str (),
+ filename);
}
else
{
- set_current_inferior (inf);
- switch_to_no_thread ();
- set_current_program_space (inf->pspace);
+ num = parse_and_eval_long (args);
+
+ inf = find_inferior_id (num);
+ if (inf == NULL)
+ error (_("Inferior ID %d not known."), num);
+
+ if (inf->pid != 0)
+ {
+ if (inf != current_inferior ())
+ {
+ thread_info *tp = any_thread_of_inferior (inf);
+ if (tp == NULL)
+ error (_("Inferior has no threads."));
- gdb::observers::user_selected_context_changed.notify
- (USER_SELECTED_INFERIOR);
+ switch_to_thread (tp);
+ }
+
+ notify_user_selected_context_changed
+ (USER_SELECTED_INFERIOR
+ | USER_SELECTED_THREAD
+ | USER_SELECTED_FRAME);
+ }
+ else
+ {
+ switch_to_inferior_no_thread (inf);
+
+ notify_user_selected_context_changed
+ (USER_SELECTED_INFERIOR);
+ }
}
}
struct address_space *aspace;
struct program_space *pspace;
struct inferior *inf;
- struct gdbarch_info info;
/* If all inferiors share an address space on this system, this
doesn't really return a new address space; otherwise, it
/* Setup the inferior's initial arch, based on information obtained
from the global "set ..." options. */
- gdbarch_info_init (&info);
+ gdbarch_info info;
inf->gdbarch = gdbarch_find_by_info (info);
/* The "set ..." options reject invalid settings, so we should
always have a valid arch by now. */
return inf;
}
-/* add-inferior [-copies N] [-exec FILENAME] */
+/* See inferior.h. */
+
+void
+switch_to_inferior_and_push_target (inferior *new_inf,
+ bool no_connection, inferior *org_inf)
+{
+ process_stratum_target *proc_target = org_inf->process_target ();
+
+ /* Switch over temporarily, while reading executable and
+ symbols. */
+ switch_to_inferior_no_thread (new_inf);
+
+ /* Reuse the target for new inferior. */
+ if (!no_connection && proc_target != NULL)
+ {
+ new_inf->push_target (proc_target);
+ gdb_printf (_("Added inferior %d on connection %d (%s)\n"),
+ new_inf->num,
+ proc_target->connection_number,
+ make_target_connection_string (proc_target).c_str ());
+ }
+ else
+ gdb_printf (_("Added inferior %d\n"), new_inf->num);
+}
+
+/* add-inferior [-copies N] [-exec FILENAME] [-no-connection] */
static void
add_inferior_command (const char *args, int from_tty)
int i, copies = 1;
gdb::unique_xmalloc_ptr<char> exec;
symfile_add_flags add_flags = 0;
+ bool no_connection = false;
if (from_tty)
add_flags |= SYMFILE_VERBOSE;
error (_("No argument to -copies"));
copies = parse_and_eval_long (*argv);
}
+ else if (strcmp (*argv, "-no-connection") == 0)
+ no_connection = true;
else if (strcmp (*argv, "-exec") == 0)
{
++argv;
}
}
+ inferior *orginf = current_inferior ();
+
scoped_restore_current_pspace_and_thread restore_pspace_thread;
for (i = 0; i < copies; ++i)
{
- struct inferior *inf = add_inferior_with_spaces ();
+ inferior *inf = add_inferior_with_spaces ();
- printf_filtered (_("Added inferior %d\n"), inf->num);
+ switch_to_inferior_and_push_target (inf, no_connection, orginf);
if (exec != NULL)
{
- /* Switch over temporarily, while reading executable and
- symbols.q. */
- set_current_program_space (inf->pspace);
- set_current_inferior (inf);
- switch_to_no_thread ();
-
exec_file_attach (exec.get (), from_tty);
symbol_file_add_main (exec.get (), add_flags);
}
}
}
-/* clone-inferior [-copies N] [ID] */
+/* clone-inferior [-copies N] [ID] [-no-connection] */
static void
clone_inferior_command (const char *args, int from_tty)
{
int i, copies = 1;
struct inferior *orginf = NULL;
+ bool no_connection = false;
if (args)
{
if (copies < 0)
error (_("Invalid copies number"));
}
+ else if (strcmp (*argv, "-no-connection") == 0)
+ no_connection = true;
}
else
{
inf->aspace = pspace->aspace;
inf->gdbarch = orginf->gdbarch;
+ switch_to_inferior_and_push_target (inf, no_connection, orginf);
+
/* If the original inferior had a user specified target
description, make the clone use it too. */
- if (target_desc_info_from_user_p (inf->tdesc_info))
- copy_inferior_target_desc_info (inf, orginf);
-
- printf_filtered (_("Added inferior %d.\n"), inf->num);
+ if (inf->tdesc_info.from_user_p ())
+ inf->tdesc_info = orginf->tdesc_info;
- set_current_inferior (inf);
- switch_to_no_thread ();
clone_program_space (pspace, orginf->pspace);
+
+ /* Copy properties from the original inferior to the new one. */
+ inf->set_args (orginf->args ());
+ inf->set_cwd (orginf->cwd ());
+ inf->set_tty (orginf->tty ());
+ for (const std::string &set_var : orginf->environment.user_set_env ())
+ {
+ /* set_var has the form NAME=value. Split on the first '='. */
+ const std::string::size_type pos = set_var.find ('=');
+ gdb_assert (pos != std::string::npos);
+ const std::string varname = set_var.substr (0, pos);
+ inf->environment.set
+ (varname.c_str (), orginf->environment.get (varname.c_str ()));
+ }
+ for (const std::string &unset_var
+ : orginf->environment.user_unset_env ())
+ inf->environment.unset (unset_var.c_str ());
}
}
show_print_inferior_events (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
- fprintf_filtered (file, _("Printing of inferior events is %s.\n"), value);
+ gdb_printf (file, _("Printing of inferior events is %s.\n"), value);
}
/* Return a new value for the selected inferior's id. */
{
inferior_id_make_value,
NULL,
- NULL
};
\f
can only allocate an inferior when all those modules have done
that. Do this after initialize_progspace, due to the
current_program_space reference. */
- current_inferior_ = add_inferior_silent (0);
- current_inferior_->incref ();
+ set_current_inferior (add_inferior_silent (0));
current_inferior_->pspace = current_program_space;
current_inferior_->aspace = current_program_space->aspace;
/* The architecture will be initialized shortly, by
c = add_com ("add-inferior", no_class, add_inferior_command, _("\
Add a new inferior.\n\
-Usage: add-inferior [-copies N] [-exec FILENAME]\n\
+Usage: add-inferior [-copies N] [-exec FILENAME] [-no-connection]\n\
N is the optional number of inferiors to add, default is 1.\n\
FILENAME is the file name of the executable to use\n\
-as main program."));
+as main program.\n\
+By default, the new inferior inherits the current inferior's connection.\n\
+If -no-connection is specified, the new inferior begins with\n\
+no target connection yet."));
set_cmd_completer (c, filename_completer);
add_com ("remove-inferiors", no_class, remove_inferior_command, _("\
add_com ("clone-inferior", no_class, clone_inferior_command, _("\
Clone inferior ID.\n\
-Usage: clone-inferior [-copies N] [ID]\n\
-Add N copies of inferior ID. The new inferior has the same\n\
+Usage: clone-inferior [-copies N] [-no-connection] [ID]\n\
+Add N copies of inferior ID. The new inferiors have the same\n\
executable loaded as the copied inferior. If -copies is not specified,\n\
adds 1 copy. If ID is not specified, it is the current inferior\n\
-that is cloned."));
+that is cloned.\n\
+By default, the new inferiors inherit the copied inferior's connection.\n\
+If -no-connection is specified, the new inferiors begin with\n\
+no target connection yet."));
add_cmd ("inferiors", class_run, detach_inferior_command, _("\
Detach from inferior ID (or list of IDS).\n\
&cmdlist);
add_setshow_boolean_cmd ("inferior-events", no_class,
- &print_inferior_events, _("\
+ &print_inferior_events, _("\
Set printing of inferior events (such as inferior start and exit)."), _("\
Show printing of inferior events (such as inferior start and exit)."), NULL,
- NULL,
- show_print_inferior_events,
- &setprintlist, &showprintlist);
+ NULL,
+ show_print_inferior_events,
+ &setprintlist, &showprintlist);
create_internalvar_type_lazy ("_inferior", &inferior_funcs, NULL);
}
projects / binutils-gdb.git / blobdiff