#include "inf-loop.h"
#include "regcache.h"
#include "value.h"
-#include "observer.h"
+#include "observable.h"
#include "language.h"
#include "solib.h"
#include "main.h"
remove_breakpoints_pid (ptid_get_pid (inferior_ptid));
}
- if (info_verbose || debug_infrun)
+ if (print_inferior_events)
{
/* Ensure that we have a process ptid. */
ptid_t process_ptid = pid_to_ptid (ptid_get_pid (child_ptid));
target_terminal::ours_for_output ();
fprintf_filtered (gdb_stdlog,
- _("Detaching after %s from child %s.\n"),
+ _("[Detaching after %s from child %s]\n"),
has_vforked ? "vfork" : "fork",
target_pid_to_str (process_ptid));
}
scoped_restore_current_pspace_and_thread restore_pspace_thread;
inferior_ptid = child_ptid;
- add_thread (inferior_ptid);
+ add_thread_silent (inferior_ptid);
set_current_inferior (child_inf);
child_inf->symfile_flags = SYMFILE_NO_READ;
else
{
child_inf->aspace = new_address_space ();
- child_inf->pspace = add_program_space (child_inf->aspace);
+ child_inf->pspace = new program_space (child_inf->aspace);
child_inf->removable = 1;
set_current_program_space (child_inf->pspace);
clone_program_space (child_inf->pspace, parent_inf->pspace);
struct inferior *parent_inf, *child_inf;
struct program_space *parent_pspace;
- if (info_verbose || debug_infrun)
+ if (print_inferior_events)
{
+ std::string parent_pid = target_pid_to_str (parent_ptid);
+ std::string child_pid = target_pid_to_str (child_ptid);
+
target_terminal::ours_for_output ();
fprintf_filtered (gdb_stdlog,
- _("Attaching after %s %s to child %s.\n"),
- target_pid_to_str (parent_ptid),
+ _("[Attaching after %s %s to child %s]\n"),
+ parent_pid.c_str (),
has_vforked ? "vfork" : "fork",
- target_pid_to_str (child_ptid));
+ child_pid.c_str ());
}
/* Add the new inferior first, so that the target_detach below
}
else if (detach_fork)
{
- if (info_verbose || debug_infrun)
+ if (print_inferior_events)
{
/* Ensure that we have a process ptid. */
- ptid_t process_ptid = pid_to_ptid (ptid_get_pid (child_ptid));
+ ptid_t process_ptid = pid_to_ptid (ptid_get_pid (parent_ptid));
target_terminal::ours_for_output ();
fprintf_filtered (gdb_stdlog,
- _("Detaching after fork from "
- "child %s.\n"),
+ _("[Detaching after fork from "
+ "parent %s]\n"),
target_pid_to_str (process_ptid));
}
- target_detach (0);
+ target_detach (parent_inf, 0);
}
/* Note that the detach above makes PARENT_INF dangling. */
informing the solib layer about this new process. */
inferior_ptid = child_ptid;
- add_thread (inferior_ptid);
+ add_thread_silent (inferior_ptid);
set_current_inferior (child_inf);
/* If this is a vfork child, then the address-space is shared
else
{
child_inf->aspace = new_address_space ();
- child_inf->pspace = add_program_space (child_inf->aspace);
+ child_inf->pspace = new program_space (child_inf->aspace);
child_inf->removable = 1;
child_inf->symfile_flags = SYMFILE_NO_READ;
set_current_program_space (child_inf->pspace);
inf->aspace = NULL;
inf->pspace = NULL;
- if (debug_infrun || info_verbose)
+ if (print_inferior_events)
{
+ const char *pidstr
+ = target_pid_to_str (pid_to_ptid (inf->vfork_parent->pid));
+
target_terminal::ours_for_output ();
if (exec)
{
fprintf_filtered (gdb_stdlog,
- _("Detaching vfork parent process "
- "%d after child exec.\n"),
- inf->vfork_parent->pid);
+ _("[Detaching vfork parent %s "
+ "after child exec]\n"), pidstr);
}
else
{
fprintf_filtered (gdb_stdlog,
- _("Detaching vfork parent process "
- "%d after child exit.\n"),
- inf->vfork_parent->pid);
+ _("[Detaching vfork parent %s "
+ "after child exit]\n"), pidstr);
}
}
- target_detach (0);
+ target_detach (inf->vfork_parent, 0);
/* Put it back. */
inf->pspace = pspace;
{
/* We're staying attached to the parent, so, really give the
child a new address space. */
- inf->pspace = add_program_space (maybe_new_address_space ());
+ inf->pspace = new program_space (maybe_new_address_space ());
inf->aspace = inf->pspace->aspace;
inf->removable = 1;
set_current_program_space (inf->pspace);
program space resets breakpoints). */
inf->aspace = NULL;
inf->pspace = NULL;
- pspace = add_program_space (maybe_new_address_space ());
+ pspace = new program_space (maybe_new_address_space ());
set_current_program_space (pspace);
inf->removable = 1;
inf->symfile_flags = SYMFILE_NO_READ;
struct inferior *inf = current_inferior ();
int pid = ptid_get_pid (ptid);
ptid_t process_ptid;
- char *exec_file_host;
- struct cleanup *old_chain;
/* This is an exec event that we actually wish to pay attention to.
Refresh our symbol table to the newly exec'd program, remove any
breakpoint_init_inferior (inf_execd);
- exec_file_host = exec_file_find (exec_file_target, NULL);
- old_chain = make_cleanup (xfree, exec_file_host);
+ gdb::unique_xmalloc_ptr<char> exec_file_host
+ = exec_file_find (exec_file_target, NULL);
/* If we were unable to map the executable target pathname onto a host
pathname, tell the user that. Otherwise GDB's subsequent behavior
Executable) main symbol file will only be computed by
solib_create_inferior_hook below. breakpoint_re_set would fail
to insert the breakpoints with the zero displacement. */
- try_open_exec_file (exec_file_host, inf, SYMFILE_DEFER_BP_RESET);
-
- do_cleanups (old_chain);
+ try_open_exec_file (exec_file_host.get (), inf, SYMFILE_DEFER_BP_RESET);
/* If the target can specify a description, read it. Must do this
after flipping to the new executable (because the target supplied
inferior->control.stop_soon = NO_STOP_QUIETLY;
}
- observer_notify_about_to_proceed ();
+ gdb::observers::about_to_proceed.notify ();
}
/* Returns true if TP is still stopped at a breakpoint that needs
ptid_t resume_ptid;
struct execution_control_state ecss;
struct execution_control_state *ecs = &ecss;
- struct cleanup *old_chain;
int started;
/* If we're stopped at a fork/vfork, follow the branch set by the
/* If an exception is thrown from this point on, make sure to
propagate GDB's knowledge of the executing state to the
frontend/user running state. */
- old_chain = make_cleanup (finish_thread_state_cleanup, &resume_ptid);
+ scoped_finish_thread_state finish_state (resume_ptid);
/* Even if RESUME_PTID is a wildcard, and we end up resuming fewer
threads (e.g., we might need to set threads stepping over
target_commit_resume ();
- discard_cleanups (old_chain);
+ finish_state.release ();
/* Tell the event loop to wait for it to stop. If the target
supports asynchronous execution, it'll do this from within
while (!ptid_equal (displaced->step_ptid, null_ptid))
{
- struct cleanup *old_chain_2;
struct execution_control_state ecss;
struct execution_control_state *ecs;
/* If an error happens while handling the event, propagate GDB's
knowledge of the executing state to the frontend/user running
state. */
- old_chain_2 = make_cleanup (finish_thread_state_cleanup,
- &minus_one_ptid);
+ scoped_finish_thread_state finish_state (minus_one_ptid);
/* Now figure out what to do with the result of the result. */
handle_inferior_event (ecs);
/* No error, don't finish the state yet. */
- discard_cleanups (old_chain_2);
+ finish_state.release ();
/* Breakpoints and watchpoints are not installed on the target
at this point, and signals are passed directly to the
wait_for_inferior (void)
{
struct cleanup *old_cleanups;
- struct cleanup *thread_state_chain;
if (debug_infrun)
fprintf_unfiltered
/* If an error happens while handling the event, propagate GDB's
knowledge of the executing state to the frontend/user running
state. */
- thread_state_chain = make_cleanup (finish_thread_state_cleanup, &minus_one_ptid);
+ scoped_finish_thread_state finish_state (minus_one_ptid);
while (1)
{
}
/* No error, don't finish the state yet. */
- discard_cleanups (thread_state_chain);
+ finish_state.release ();
do_cleanups (old_cleanups);
}
&& !gdb_in_secondary_prompt_p (ui))
{
target_terminal::ours ();
- observer_notify_sync_execution_done ();
+ gdb::observers::sync_execution_done.notify ();
ui_register_input_event_handler (ui);
}
}
struct execution_control_state ecss;
struct execution_control_state *ecs = &ecss;
struct cleanup *old_chain = make_cleanup (null_cleanup, NULL);
- struct cleanup *ts_old_chain;
int cmd_done = 0;
ptid_t waiton_ptid = minus_one_ptid;
debugging. If we're looking at traceframes while the target is
running, we're going to need to get back to that mode after
handling the event. */
+ gdb::optional<scoped_restore_current_traceframe> maybe_restore_traceframe;
if (non_stop)
{
- make_cleanup_restore_current_traceframe ();
+ maybe_restore_traceframe.emplace ();
set_current_traceframe (-1);
}
/* If an error happens while handling the event, propagate GDB's
knowledge of the executing state to the frontend/user running
state. */
- if (!target_is_non_stop_p ())
- ts_old_chain = make_cleanup (finish_thread_state_cleanup, &minus_one_ptid);
- else
- ts_old_chain = make_cleanup (finish_thread_state_cleanup, &ecs->ptid);
+ ptid_t finish_ptid = !target_is_non_stop_p () ? minus_one_ptid : ecs->ptid;
+ scoped_finish_thread_state finish_state (finish_ptid);
/* Get executed before make_cleanup_restore_current_thread above to apply
still for the thread which has thrown the exception. */
- make_bpstat_clear_actions_cleanup ();
+ struct cleanup *ts_old_chain = make_bpstat_clear_actions_cleanup ();
make_cleanup (delete_just_stopped_threads_infrun_breakpoints_cleanup, NULL);
}
}
- /* No error, don't finish the thread states yet. */
discard_cleanups (ts_old_chain);
+ /* No error, don't finish the thread states yet. */
+ finish_state.release ();
+
/* Revert thread and frame. */
do_cleanups (old_chain);
/* Support the --return-child-result option. */
return_child_result_value = ecs->ws.value.integer;
- observer_notify_exited (ecs->ws.value.integer);
+ gdb::observers::exited.notify (ecs->ws.value.integer);
}
else
{
Cannot fill $_exitsignal with the correct signal number.\n"));
}
- observer_notify_signal_exited (ecs->ws.value.sig);
+ gdb::observers::signal_exited.notify (ecs->ws.value.sig);
}
gdb_flush (gdb_stdout);
if (handle_stop_requested (ecs))
return;
- observer_notify_no_history ();
+ gdb::observers::no_history.notify ();
stop_waiting (ecs);
return;
}
{
/* The signal table tells us to print about this signal. */
target_terminal::ours_for_output ();
- observer_notify_signal_received (ecs->event_thread->suspend.stop_signal);
+ gdb::observers::signal_received.notify (ecs->event_thread->suspend.stop_signal);
target_terminal::inferior ();
}
return;
}
+ /* Step through an indirect branch thunk. */
+ if (ecs->event_thread->control.step_over_calls != STEP_OVER_NONE
+ && gdbarch_in_indirect_branch_thunk (gdbarch, stop_pc))
+ {
+ if (debug_infrun)
+ fprintf_unfiltered (gdb_stdlog,
+ "infrun: stepped into indirect branch thunk\n");
+ keep_going (ecs);
+ return;
+ }
+
if (ecs->event_thread->control.step_range_end != 1
&& (ecs->event_thread->control.step_over_calls == STEP_OVER_UNDEBUGGABLE
|| ecs->event_thread->control.step_over_calls == STEP_OVER_ALL)
{
struct target_waitstatus last;
ptid_t last_ptid;
- struct cleanup *old_chain = make_cleanup (null_cleanup, NULL);
- ptid_t pid_ptid;
get_last_target_status (&last_ptid, &last);
propagate GDB's knowledge of the executing state to the
frontend/user running state. A QUIT is an easy exception to see
here, so do this before any filtered output. */
+
+ gdb::optional<scoped_finish_thread_state> maybe_finish_thread_state;
+
if (!non_stop)
- make_cleanup (finish_thread_state_cleanup, &minus_one_ptid);
+ maybe_finish_thread_state.emplace (minus_one_ptid);
else if (last.kind == TARGET_WAITKIND_SIGNALLED
|| last.kind == TARGET_WAITKIND_EXITED)
{
"checkpoint", when the current checkpoint/fork exits,
linux-fork.c automatically switches to another fork from
within target_mourn_inferior. */
- if (!ptid_equal (inferior_ptid, null_ptid))
- {
- pid_ptid = pid_to_ptid (ptid_get_pid (inferior_ptid));
- make_cleanup (finish_thread_state_cleanup, &pid_ptid);
- }
+ if (inferior_ptid != null_ptid)
+ maybe_finish_thread_state.emplace (ptid_t (inferior_ptid.pid ()));
}
else if (last.kind != TARGET_WAITKIND_NO_RESUMED)
- make_cleanup (finish_thread_state_cleanup, &inferior_ptid);
+ maybe_finish_thread_state.emplace (inferior_ptid);
/* As we're presenting a stop, and potentially removing breakpoints,
update the thread list so we can tell whether there are threads
update_thread_list ();
if (last.kind == TARGET_WAITKIND_STOPPED && stopped_by_random_signal)
- observer_notify_signal_received (inferior_thread ()->suspend.stop_signal);
+ gdb::observers::signal_received.notify (inferior_thread ()->suspend.stop_signal);
/* As with the notification of thread events, we want to delay
notifying the user that we've switched thread context until
after this event is handled, so we're not really switching, only
informing of a stop. */
if (!non_stop
- && !ptid_equal (previous_inferior_ptid, inferior_ptid)
+ && previous_inferior_ptid != inferior_ptid
&& target_has_execution
&& last.kind != TARGET_WAITKIND_SIGNALLED
&& last.kind != TARGET_WAITKIND_EXITED
}
/* Let the user/frontend see the threads as stopped. */
- do_cleanups (old_chain);
+ maybe_finish_thread_state.reset ();
/* Select innermost stack frame - i.e., current frame is frame 0,
and current location is based on that. Handle the case where the
/* Notify observers about the stop. This is where the interpreters
print the stop event. */
if (!ptid_equal (inferior_ptid, null_ptid))
- observer_notify_normal_stop (inferior_thread ()->control.stop_bpstat,
+ gdb::observers::normal_stop.notify (inferior_thread ()->control.stop_bpstat,
stop_print_frame);
else
- observer_notify_normal_stop (NULL, stop_print_frame);
+ gdb::observers::normal_stop.notify (NULL, stop_print_frame);
annotate_stopped ();
/* Other fields: */
CORE_ADDR stop_pc;
- struct regcache *registers;
+ readonly_detached_regcache *registers;
/* Format of SIGINFO_DATA or NULL if it is not present. */
struct gdbarch *siginfo_gdbarch;
inf_state->stop_pc = stop_pc;
- inf_state->registers = regcache_dup (regcache);
+ inf_state->registers = new readonly_detached_regcache (*regcache);
return inf_state;
}
(and perhaps other times). */
if (target_has_execution)
/* NB: The register write goes through to the target. */
- regcache_cpy (regcache, inf_state->registers);
+ regcache->restore (inf_state->registers);
discard_infcall_suspend_state (inf_state);
}
xfree (inf_state);
}
-struct regcache *
+readonly_detached_regcache *
get_infcall_suspend_state_regcache (struct infcall_suspend_state *inf_state)
{
return inf_state->registers;
inferior_ptid = null_ptid;
target_last_wait_ptid = minus_one_ptid;
- observer_attach_thread_ptid_changed (infrun_thread_ptid_changed);
- observer_attach_thread_stop_requested (infrun_thread_stop_requested);
- observer_attach_thread_exit (infrun_thread_thread_exit);
- observer_attach_inferior_exit (infrun_inferior_exit);
+ gdb::observers::thread_ptid_changed.attach (infrun_thread_ptid_changed);
+ gdb::observers::thread_stop_requested.attach (infrun_thread_stop_requested);
+ gdb::observers::thread_exit.attach (infrun_thread_thread_exit);
+ gdb::observers::inferior_exit.attach (infrun_inferior_exit);
/* Explicitly create without lookup, since that tries to create a
value with a void typed value, and when we get here, gdbarch
projects / deliverable / binutils-gdb.git / blobdiff