/* Multi-process control for GDB, the GNU debugger.
- Copyright (C) 2008-2017 Free Software Foundation, Inc.
+ Copyright (C) 2008-2018 Free Software Foundation, Inc.
This file is part of GDB.
#include "gdbcmd.h"
#include "gdbthread.h"
#include "ui-out.h"
-#include "observer.h"
+#include "observable.h"
#include "gdbcore.h"
#include "symfile.h"
#include "environ.h"
#include "readline/tilde.h"
#include "progspace-and-thread.h"
-void _initialize_inferiors (void);
-
/* Keep a registry of per-inferior data-pointers required by other GDB
modules. */
struct inferior *inferior_list = NULL;
static int highest_inferior_num;
-/* Print notices on inferior events (attach, detach, etc.), set with
- `set print inferior-events'. */
-static int print_inferior_events = 0;
+/* See inferior.h. */
+int print_inferior_events = 1;
/* The Current Inferior. This is a strong reference. I.e., whenever
an inferior is the current inferior, its refcount is
current_inferior_ = inf;
}
+private_inferior::~private_inferior () = default;
+
inferior::~inferior ()
{
inferior *inf = this;
inferior_free_data (inf);
xfree (inf->args);
xfree (inf->terminal);
- free_environ (inf->environment);
target_desc_info_free (inf->tdesc_info);
- xfree (inf->priv);
}
inferior::inferior (int pid_)
: num (++highest_inferior_num),
pid (pid_),
- environment (make_environ ()),
+ environment (gdb_environ::from_host_environ ()),
registry_data ()
{
- init_environ (this->environment);
inferior_alloc_data (this);
}
last->next = inf;
}
- observer_notify_inferior_added (inf);
+ gdb::observers::inferior_added.notify (inf);
if (pid != 0)
inferior_appeared (inf, pid);
struct inferior *inf = add_inferior_silent (pid);
if (print_inferior_events)
- printf_unfiltered (_("[New inferior %d]\n"), pid);
+ printf_unfiltered (_("[New inferior %d (%s)]\n"),
+ inf->num,
+ target_pid_to_str (pid_to_ptid (pid)));
return inf;
}
else
inferior_list = inf->next;
- observer_notify_inferior_removed (inf);
+ gdb::observers::inferior_removed.notify (inf);
/* If this program space is rendered useless, remove it. */
if (program_space_empty_p (inf->pspace))
iterate_over_threads (delete_thread_of_inferior, &arg);
- observer_notify_inferior_exit (inf);
+ gdb::observers::inferior_exit.notify (inf);
inf->pid = 0;
inf->fake_pid_p = 0;
- xfree (inf->priv);
inf->priv = NULL;
if (inf->vfork_parent != NULL)
}
inf->pending_detach = 0;
+ /* Reset it. */
+ inf->control = {NO_STOP_QUIETLY};
}
void
struct inferior *inf = find_inferior_pid (pid);
exit_inferior_1 (inf, 0);
-
- if (print_inferior_events)
- printf_unfiltered (_("[Inferior %d exited]\n"), pid);
}
void
exit_inferior_1 (inf, 1);
}
+/* See inferior.h. */
+
void
-detach_inferior (int pid)
+detach_inferior (inferior *inf)
{
- struct inferior *inf = find_inferior_pid (pid);
+ /* Save the pid, since exit_inferior_1 will reset it. */
+ int pid = inf->pid;
exit_inferior_1 (inf, 0);
if (print_inferior_events)
- printf_unfiltered (_("[Inferior %d detached]\n"), pid);
+ printf_unfiltered (_("[Inferior %d (%s) detached]\n"),
+ inf->num,
+ target_pid_to_str (pid_to_ptid (pid)));
+}
+
+/* See inferior.h. */
+
+void
+detach_inferior (int pid)
+{
+ detach_inferior (find_inferior_pid (pid));
}
void
inf->has_exit_code = 0;
inf->exit_code = 0;
- observer_notify_inferior_appeared (inf);
+ gdb::observers::inferior_appeared.notify (inf);
}
void
printed. */
static void
-print_inferior (struct ui_out *uiout, char *requested_inferiors)
+print_inferior (struct ui_out *uiout, const char *requested_inferiors)
{
struct inferior *inf;
- struct cleanup *old_chain;
int inf_count = 0;
/* Compute number of inferiors we will print. */
return;
}
- old_chain = make_cleanup_ui_out_table_begin_end (uiout, 4, inf_count,
- "inferiors");
+ ui_out_emit_table table_emitter (uiout, 4, 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->text ("\n");
}
-
- do_cleanups (old_chain);
}
static void
-detach_inferior_command (char *args, int from_tty)
+detach_inferior_command (const char *args, int from_tty)
{
struct thread_info *tp;
}
static void
-kill_inferior_command (char *args, int from_tty)
+kill_inferior_command (const char *args, int from_tty)
{
struct thread_info *tp;
}
static void
-inferior_command (char *args, int from_tty)
+inferior_command (const char *args, int from_tty)
{
struct inferior *inf;
int num;
switch_to_thread (tp->ptid);
}
- observer_notify_user_selected_context_changed
+ gdb::observers::user_selected_context_changed.notify
(USER_SELECTED_INFERIOR
| USER_SELECTED_THREAD
| USER_SELECTED_FRAME);
switch_to_thread (null_ptid);
set_current_program_space (inf->pspace);
- observer_notify_user_selected_context_changed (USER_SELECTED_INFERIOR);
+ gdb::observers::user_selected_context_changed.notify
+ (USER_SELECTED_INFERIOR);
}
}
/* Print information about currently known inferiors. */
static void
-info_inferiors_command (char *args, int from_tty)
+info_inferiors_command (const char *args, int from_tty)
{
print_inferior (current_uiout, args);
}
/* remove-inferior ID */
static void
-remove_inferior_command (char *args, int from_tty)
+remove_inferior_command (const char *args, int from_tty)
{
if (args == NULL || *args == '\0')
error (_("Requires an argument (inferior id(s) to remove)"));
doesn't really return a new address space; otherwise, it
really does. */
aspace = maybe_new_address_space ();
- pspace = add_program_space (aspace);
+ pspace = new program_space (aspace);
inf = add_inferior (0);
inf->pspace = pspace;
inf->aspace = pspace->aspace;
/* add-inferior [-copies N] [-exec FILENAME] */
static void
-add_inferior_command (char *args, int from_tty)
+add_inferior_command (const char *args, int from_tty)
{
int i, copies = 1;
- char *exec = NULL;
- char **argv;
+ gdb::unique_xmalloc_ptr<char> exec;
symfile_add_flags add_flags = 0;
- struct cleanup *old_chain = make_cleanup (null_cleanup, NULL);
if (from_tty)
add_flags |= SYMFILE_VERBOSE;
if (args)
{
- argv = gdb_buildargv (args);
- make_cleanup_freeargv (argv);
+ gdb_argv built_argv (args);
- for (; *argv != NULL; argv++)
+ for (char **argv = built_argv.get (); *argv != NULL; argv++)
{
if (**argv == '-')
{
++argv;
if (!*argv)
error (_("No argument to -exec"));
- exec = tilde_expand (*argv);
- make_cleanup (xfree, exec);
+ exec.reset (tilde_expand (*argv));
}
}
else
set_current_inferior (inf);
switch_to_thread (null_ptid);
- exec_file_attach (exec, from_tty);
- symbol_file_add_main (exec, add_flags);
+ exec_file_attach (exec.get (), from_tty);
+ symbol_file_add_main (exec.get (), add_flags);
}
}
-
- do_cleanups (old_chain);
}
/* clone-inferior [-copies N] [ID] */
static void
-clone_inferior_command (char *args, int from_tty)
+clone_inferior_command (const char *args, int from_tty)
{
int i, copies = 1;
- char **argv;
struct inferior *orginf = NULL;
- struct cleanup *old_chain = make_cleanup (null_cleanup, NULL);
if (args)
{
- argv = gdb_buildargv (args);
- make_cleanup_freeargv (argv);
+ gdb_argv built_argv (args);
+ char **argv = built_argv.get ();
for (; *argv != NULL; argv++)
{
if (**argv == '-')
doesn't really return a new address space; otherwise, it
really does. */
aspace = maybe_new_address_space ();
- pspace = add_program_space (aspace);
+ pspace = new program_space (aspace);
inf = add_inferior (0);
inf->pspace = pspace;
inf->aspace = pspace->aspace;
switch_to_thread (null_ptid);
clone_program_space (pspace, orginf->pspace);
}
-
- do_cleanups (old_chain);
}
/* Print notices when new inferiors are created and die. */
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 (0);
+ current_inferior_ = add_inferior_silent (0);
current_inferior_->incref ();
current_inferior_->pspace = current_program_space;
current_inferior_->aspace = current_program_space->aspace;
projects / deliverable / binutils-gdb.git / blobdiff