static int maybe_software_singlestep (struct gdbarch *gdbarch, CORE_ADDR pc);
+static void resume (gdb_signal sig);
+
/* Asynchronous signal handler registered as event loop source for
when we have pending events ready to be passed to the core. */
static struct async_event_handler *infrun_async_inferior_event_token;
stop provides a nicer sequence of events for user and MI
notifications. */
ALL_THREADS_SAFE (th, tmp)
- if (th->ptid.pid () == pid && !ptid_equal (th->ptid, ptid))
+ if (th->ptid.pid () == pid && th->ptid != ptid)
delete_thread (th);
/* We also need to clear any left over stale state for the
static void
infrun_thread_ptid_changed (ptid_t old_ptid, ptid_t new_ptid)
{
- struct displaced_step_inferior_state *displaced;
-
- if (ptid_equal (inferior_ptid, old_ptid))
+ if (inferior_ptid == old_ptid)
inferior_ptid = new_ptid;
}
(GDB_SIGNAL_0 for none). This is a wrapper around 'resume_1' that
rolls back state on error. */
-void
+static void
resume (gdb_signal sig)
{
TRY
we're about to resume, implicitly and explicitly. */
ALL_NON_EXITED_THREADS (tp)
{
- if (!ptid_match (tp->ptid, resume_ptid))
+ if (!tp->ptid.matches (resume_ptid))
continue;
clear_proceed_status_thread (tp);
}
}
- if (!ptid_equal (inferior_ptid, null_ptid))
+ if (inferior_ptid != null_ptid)
{
struct inferior *inferior;
/* Basic routine for continuing the program in various fashions.
ADDR is the address to resume at, or -1 for resume where stopped.
- SIGGNAL is the signal to give it, or 0 for none,
- or -1 for act according to how it stopped.
- STEP is nonzero if should trap after one instruction.
- -1 means return after that and print nothing.
- You should probably set various step_... variables
- before calling here, if you are stepping.
+ SIGGNAL is the signal to give it, or GDB_SIGNAL_0 for none,
+ or GDB_SIGNAL_DEFAULT for act according to how it stopped.
You should call clear_proceed_status before calling proceed. */
continue;
/* Ignore threads of processes we're not resuming. */
- if (!ptid_match (tp->ptid, resume_ptid))
+ if (!tp->ptid.matches (resume_ptid))
continue;
if (!thread_still_needs_step_over (tp))
ALL_NON_EXITED_THREADS (tp)
{
/* Ignore threads of processes we're not resuming. */
- if (!ptid_match (tp->ptid, resume_ptid))
+ if (!tp->ptid.matches (resume_ptid))
continue;
if (tp->resumed)
thread had been temporarily paused for some step-over), set up
for reporting the stop now. */
ALL_NON_EXITED_THREADS (tp)
- if (ptid_match (tp->ptid, ptid))
+ if (tp->ptid.matches (ptid))
{
if (tp->state != THREAD_RUNNING)
continue;
static void
infrun_thread_thread_exit (struct thread_info *tp, int silent)
{
- if (ptid_equal (target_last_wait_ptid, tp->ptid))
+ if (target_last_wait_ptid == tp->ptid)
nullify_last_target_wait_ptid ();
}
static void
for_each_just_stopped_thread (for_each_just_stopped_thread_callback_func func)
{
- if (!target_has_execution || ptid_equal (inferior_ptid, null_ptid))
+ if (!target_has_execution || inferior_ptid == null_ptid)
return;
if (target_is_non_stop_p ())
stb.printf ("infrun: target_wait (%d.%ld.%ld",
waiton_ptid.pid (),
waiton_ptid.lwp (),
- ptid_get_tid (waiton_ptid));
+ waiton_ptid.tid ());
if (waiton_ptid.pid () != -1)
stb.printf (" [%s]", target_pid_to_str (waiton_ptid));
stb.printf (", status) =\n");
stb.printf ("infrun: %d.%ld.%ld [%s],\n",
result_ptid.pid (),
result_ptid.lwp (),
- ptid_get_tid (result_ptid),
+ result_ptid.tid (),
target_pid_to_str (result_ptid));
stb.printf ("infrun: %s\n", status_string.c_str ());
/* First see how many events we have. Count only resumed threads
that have an event pending. */
ALL_NON_EXITED_THREADS (event_tp)
- if (ptid_match (event_tp->ptid, waiton_ptid)
+ if (event_tp->ptid.matches (waiton_ptid)
&& event_tp->resumed
&& event_tp->suspend.waitstatus_pending_p)
num_events++;
/* Select the Nth thread that has had an event. */
ALL_NON_EXITED_THREADS (event_tp)
- if (ptid_match (event_tp->ptid, waiton_ptid)
+ if (event_tp->ptid.matches (waiton_ptid)
&& event_tp->resumed
&& event_tp->suspend.waitstatus_pending_p)
if (random_selector-- == 0)
/* First check if there is a resumed thread with a wait status
pending. */
- if (ptid_equal (ptid, minus_one_ptid) || ptid_is_pid (ptid))
+ if (ptid == minus_one_ptid || ptid.is_pid ())
{
tp = random_pending_event_thread (ptid);
}
{
/* Don't care about return value; stop_func_start and stop_func_name
will both be 0 if it doesn't work. */
- find_pc_partial_function (ecs->event_thread->suspend.stop_pc,
- &ecs->stop_func_name,
- &ecs->stop_func_start, &ecs->stop_func_end);
+ find_function_entry_range_from_pc (ecs->event_thread->suspend.stop_pc,
+ &ecs->stop_func_name,
+ &ecs->stop_func_start,
+ &ecs->stop_func_end);
ecs->stop_func_start
+= gdbarch_deprecated_function_start_offset (gdbarch);
statstr.c_str (),
tp->ptid.pid (),
tp->ptid.lwp (),
- ptid_get_tid (tp->ptid));
+ tp->ptid.tid ());
}
/* Record for later. */
statstr.c_str (),
t->ptid.pid (),
t->ptid.lwp (),
- ptid_get_tid (t->ptid));
+ t->ptid.tid ());
}
/* Record for later. */
if (inf->pid == 0)
continue;
- thread_info *thread = any_live_thread_of_inferior (inf);
+ thread = any_live_thread_of_inferior (inf);
if (thread == NULL)
{
if (debug_infrun)
if (debug_infrun)
{
struct regcache *regcache = get_thread_regcache (ecs->event_thread);
- struct gdbarch *gdbarch = regcache->arch ();
+ struct gdbarch *reg_gdbarch = regcache->arch ();
scoped_restore save_inferior_ptid = make_scoped_restore (&inferior_ptid);
inferior_ptid = ecs->ptid;
fprintf_unfiltered (gdb_stdlog, "infrun: stop_pc = %s\n",
- paddress (gdbarch,
+ paddress (reg_gdbarch,
ecs->event_thread->suspend.stop_pc));
if (target_stopped_by_watchpoint ())
{
if (target_stopped_data_address (current_top_target (), &addr))
fprintf_unfiltered (gdb_stdlog,
"infrun: stopped data address = %s\n",
- paddress (gdbarch, addr));
+ paddress (reg_gdbarch, addr));
else
fprintf_unfiltered (gdb_stdlog,
"infrun: (no data address available)\n");
/* See if something interesting happened to the non-current thread. If
so, then switch to that thread. */
- if (!ptid_equal (ecs->ptid, inferior_ptid))
+ if (ecs->ptid != inferior_ptid)
{
if (debug_infrun)
fprintf_unfiltered (gdb_stdlog, "infrun: context switch\n");
static void
keep_going_pass_signal (struct execution_control_state *ecs)
{
- gdb_assert (ptid_equal (ecs->event_thread->ptid, inferior_ptid));
+ gdb_assert (ecs->event_thread->ptid == inferior_ptid);
gdb_assert (!ecs->event_thread->resumed);
/* Save the pc before execution, to compare with pc after stop. */
struct stop_context
{
+ stop_context ();
+ ~stop_context ();
+
+ DISABLE_COPY_AND_ASSIGN (stop_context);
+
+ bool changed () const;
+
/* The stop ID. */
ULONGEST stop_id;
int inf_num;
};
-/* Returns a new stop context. If stopped for a thread event, this
+/* Initializes a new stop context. If stopped for a thread event, this
takes a strong reference to the thread. */
-static struct stop_context *
-save_stop_context (void)
+stop_context::stop_context ()
{
- struct stop_context *sc = XNEW (struct stop_context);
-
- sc->stop_id = get_stop_id ();
- sc->ptid = inferior_ptid;
- sc->inf_num = current_inferior ()->num;
+ stop_id = get_stop_id ();
+ ptid = inferior_ptid;
+ inf_num = current_inferior ()->num;
- if (!ptid_equal (inferior_ptid, null_ptid))
+ if (inferior_ptid != null_ptid)
{
/* Take a strong reference so that the thread can't be deleted
yet. */
- sc->thread = inferior_thread ();
- sc->thread->incref ();
+ thread = inferior_thread ();
+ thread->incref ();
}
else
- sc->thread = NULL;
-
- return sc;
+ thread = NULL;
}
/* Release a stop context previously created with save_stop_context.
Releases the strong reference to the thread as well. */
-static void
-release_stop_context_cleanup (void *arg)
+stop_context::~stop_context ()
{
- struct stop_context *sc = (struct stop_context *) arg;
-
- if (sc->thread != NULL)
- sc->thread->decref ();
- xfree (sc);
+ if (thread != NULL)
+ thread->decref ();
}
/* Return true if the current context no longer matches the saved stop
context. */
-static int
-stop_context_changed (struct stop_context *prev)
-{
- if (!ptid_equal (prev->ptid, inferior_ptid))
- return 1;
- if (prev->inf_num != current_inferior ()->num)
- return 1;
- if (prev->thread != NULL && prev->thread->state != THREAD_STOPPED)
- return 1;
- if (get_stop_id () != prev->stop_id)
- return 1;
- return 0;
+bool
+stop_context::changed () const
+{
+ if (ptid != inferior_ptid)
+ return true;
+ if (inf_num != current_inferior ()->num)
+ return true;
+ if (thread != NULL && thread->state != THREAD_STOPPED)
+ return true;
+ if (get_stop_id () != stop_id)
+ return true;
+ return false;
}
/* See infrun.h. */
of stop_command's pre-hook not existing). */
if (stop_command != NULL)
{
- struct stop_context *saved_context = save_stop_context ();
- struct cleanup *old_chain
- = make_cleanup (release_stop_context_cleanup, saved_context);
+ stop_context saved_context;
TRY
{
gone. Likewise if the command switches thread or inferior --
the observers would print a stop for the wrong
thread/inferior. */
- if (stop_context_changed (saved_context))
- {
- do_cleanups (old_chain);
- return 1;
- }
- do_cleanups (old_chain);
+ if (saved_context.changed ())
+ return 1;
}
/* Notify observers about the stop. This is where the interpreters
print the stop event. */
- if (!ptid_equal (inferior_ptid, null_ptid))
+ if (inferior_ptid != null_ptid)
gdb::observers::normal_stop.notify (inferior_thread ()->control.stop_bpstat,
stop_print_frame);
else
handle_command (const char *args, int from_tty)
{
int digits, wordlen;
- int sigfirst, signum, siglast;
+ int sigfirst, siglast;
enum gdb_signal oursig;
int allsigs;
int nsigs;
if (sigfirst > siglast)
{
/* Bet he didn't figure we'd think of this case... */
- signum = sigfirst;
- sigfirst = siglast;
- siglast = signum;
+ std::swap (sigfirst, siglast);
}
}
else
/* If any signal numbers or symbol names were found, set flags for
which signals to apply actions to. */
- for (signum = sigfirst; signum >= 0 && signum <= siglast; signum++)
+ for (int signum = sigfirst; signum >= 0 && signum <= siglast; signum++)
{
switch ((enum gdb_signal) signum)
{
}
}
- for (signum = 0; signum < nsigs; signum++)
+ for (int signum = 0; signum < nsigs; signum++)
if (sigs[signum])
{
signal_cache_update (-1);
void *ignore)
{
if (target_has_stack
- && !ptid_equal (inferior_ptid, null_ptid)
+ && inferior_ptid != null_ptid
&& gdbarch_get_siginfo_type_p (gdbarch))
{
struct type *type = gdbarch_get_siginfo_type (gdbarch);
struct thread_suspend_state thread_suspend;
/* Other fields: */
- readonly_detached_regcache *registers;
+ std::unique_ptr<readonly_detached_regcache> registers;
/* Format of SIGINFO_DATA or NULL if it is not present. */
- struct gdbarch *siginfo_gdbarch;
+ struct gdbarch *siginfo_gdbarch = nullptr;
/* The inferior format depends on SIGINFO_GDBARCH and it has a length of
TYPE_LENGTH (gdbarch_get_siginfo_type ()). For different gdbarch the
content would be invalid. */
- gdb_byte *siginfo_data;
+ gdb::unique_xmalloc_ptr<gdb_byte> siginfo_data;
};
-struct infcall_suspend_state *
-save_infcall_suspend_state (void)
+infcall_suspend_state_up
+save_infcall_suspend_state ()
{
- struct infcall_suspend_state *inf_state;
struct thread_info *tp = inferior_thread ();
struct regcache *regcache = get_current_regcache ();
struct gdbarch *gdbarch = regcache->arch ();
- gdb_byte *siginfo_data = NULL;
+ gdb::unique_xmalloc_ptr<gdb_byte> siginfo_data;
if (gdbarch_get_siginfo_type_p (gdbarch))
{
struct type *type = gdbarch_get_siginfo_type (gdbarch);
size_t len = TYPE_LENGTH (type);
- struct cleanup *back_to;
- siginfo_data = (gdb_byte *) xmalloc (len);
- back_to = make_cleanup (xfree, siginfo_data);
+ siginfo_data.reset ((gdb_byte *) xmalloc (len));
if (target_read (current_top_target (), TARGET_OBJECT_SIGNAL_INFO, NULL,
- siginfo_data, 0, len) == len)
- discard_cleanups (back_to);
- else
+ siginfo_data.get (), 0, len) != len)
{
/* Errors ignored. */
- do_cleanups (back_to);
- siginfo_data = NULL;
+ siginfo_data.reset (nullptr);
}
}
- inf_state = XCNEW (struct infcall_suspend_state);
+ infcall_suspend_state_up inf_state (new struct infcall_suspend_state);
if (siginfo_data)
{
inf_state->siginfo_gdbarch = gdbarch;
- inf_state->siginfo_data = siginfo_data;
+ inf_state->siginfo_data = std::move (siginfo_data);
}
inf_state->thread_suspend = tp->suspend;
GDB_SIGNAL_0 anyway. */
tp->suspend.stop_signal = GDB_SIGNAL_0;
- inf_state->registers = new readonly_detached_regcache (*regcache);
+ inf_state->registers.reset (new readonly_detached_regcache (*regcache));
return inf_state;
}
/* Errors ignored. */
target_write (current_top_target (), TARGET_OBJECT_SIGNAL_INFO, NULL,
- inf_state->siginfo_data, 0, TYPE_LENGTH (type));
+ inf_state->siginfo_data.get (), 0, TYPE_LENGTH (type));
}
/* The inferior can be gone if the user types "print exit(0)"
(and perhaps other times). */
if (target_has_execution)
/* NB: The register write goes through to the target. */
- regcache->restore (inf_state->registers);
+ regcache->restore (inf_state->registers.get ());
discard_infcall_suspend_state (inf_state);
}
-static void
-do_restore_infcall_suspend_state_cleanup (void *state)
-{
- restore_infcall_suspend_state ((struct infcall_suspend_state *) state);
-}
-
-struct cleanup *
-make_cleanup_restore_infcall_suspend_state
- (struct infcall_suspend_state *inf_state)
-{
- return make_cleanup (do_restore_infcall_suspend_state_cleanup, inf_state);
-}
-
void
discard_infcall_suspend_state (struct infcall_suspend_state *inf_state)
{
- delete inf_state->registers;
- xfree (inf_state->siginfo_data);
- xfree (inf_state);
+ delete inf_state;
}
readonly_detached_regcache *
get_infcall_suspend_state_regcache (struct infcall_suspend_state *inf_state)
{
- return inf_state->registers;
+ return inf_state->registers.get ();
}
/* infcall_control_state contains state regarding gdb's control of the
struct inferior_control_state inferior_control;
/* Other fields: */
- enum stop_stack_kind stop_stack_dummy;
- int stopped_by_random_signal;
+ enum stop_stack_kind stop_stack_dummy = STOP_NONE;
+ int stopped_by_random_signal = 0;
/* ID if the selected frame when the inferior function call was made. */
- struct frame_id selected_frame_id;
+ struct frame_id selected_frame_id {};
};
/* Save all of the information associated with the inferior<==>gdb
connection. */
-struct infcall_control_state *
-save_infcall_control_state (void)
+infcall_control_state_up
+save_infcall_control_state ()
{
- struct infcall_control_state *inf_status =
- XNEW (struct infcall_control_state);
+ infcall_control_state_up inf_status (new struct infcall_control_state);
struct thread_info *tp = inferior_thread ();
struct inferior *inf = current_inferior ();
END_CATCH
}
- xfree (inf_status);
-}
-
-static void
-do_restore_infcall_control_state_cleanup (void *sts)
-{
- restore_infcall_control_state ((struct infcall_control_state *) sts);
-}
-
-struct cleanup *
-make_cleanup_restore_infcall_control_state
- (struct infcall_control_state *inf_status)
-{
- return make_cleanup (do_restore_infcall_control_state_cleanup, inf_status);
+ delete inf_status;
}
void
/* See save_infcall_control_state for info on stop_bpstat. */
bpstat_clear (&inf_status->thread_control.stop_bpstat);
- xfree (inf_status);
+ delete inf_status;
}
\f
/* See infrun.h. */
projects / deliverable / binutils-gdb.git / blobdiff