* remote.c (pending_stop_reply): New.
(struct remote_state) <non_stop_aware, support_vCont_t>: New
fields.
(remote_async_inferior_event_token)
(remote_async_get_pending_events_token): New.
(notice_new_inferiors): New, abstracted out from record_currthread.
(record_currthread): Call it.
(remote_threads_info): Default threads to running in non-stop
mode. In non-stop mode, only qfThreadInfo is supported.
(remote_close): Discard all pending stop_replies. Close the event
sources.
(set_stop_requested_callback): New.
(remote_start_remote): Implement non-stop mode startup. In
all-stop, don't clear the thread list here.
(remote_non_stop_feature): New.
(remote_protocol_features): Add a "QNonStop" feature.
(remote_open_1): Clear cached_wait_status and non_stop_aware.
Clear the thread list here.
(remote_detach_1): Discard pending stop replies of the process we
detached from.
(extended_remote_attach_1): Implement non-stop mode.
(remote_vcont_probe): Recognize `vCont;t'.
(remote_vcont_resume): Implement non-stop mode.
(remote_resume): Don't set waiting_for_stop_reply in non-stop
mode.
(remote_stop_ns): New.
(remote_stop): Rename to ...
(remote_stop_as): ... this. If we have a cached wait status,
don't bother interrupting the remote.
(remote_stop): Reimplement as wrapper around remote_stop_as and
remote_stop_ns.
(interrupt_query): Don't query in async mode.
(struct cached_reg, cahed_reg_t): New.
(struct stop_reply): New.
(stop_reply_queue): New.
(stop_reply_xmalloc, stop_reply_xfree)
(discard_pending_stop_replies, do_stop_reply_xfree)
(queued_stop_reply, push_stop_reply, peek_stop_reply)
(remote_parse_stop_reply, remote_get_pending_stop_replies)
(process_stop_reply): New.
(remote_wait_ns): New.
(remote_wait_as): Use remote_parse_stop_reply. Invalidate the
notion of current general thread is a process exit was reported.
(remote_wait): Call remote_wait_ns in non-stop mode.
(handle_notification): New.
(putpkt_binary): Handle notifications. Don't care for
waiting_for_stop_reply in non-stop mode.
(getpkt_sane): Rename to ...
(getpkt_or_notif_sane_1): ... this. Add `expecting_notif'
argument. Handle it. Handle notifications.
(getpkt_sane): Reimplement as wrapper around getpkt_or_notif_sane_1.
(getpkt_or_notif_sane): New.
(select_new_thread_callback): Check for exited state instead of
comparing the ptid against minus_one_ptid.
(extended_remote_create_inferior_1): Query the remote about the
current thread.
(remote_supports_non_stop): New.
(init_remote_ops): Register it.
(remote_async_inferior_event_handler): New.
(remote_async_get_pending_events_handler): New.
* infcmd.c (proceed_thread_callback): Comment.
(proceed_after_attach_callback, proceed_after_attach): New.
(attach_command_post_wait): In background attach, resume all
threads, but only if they are unsignalled, and not explicitly
stopped. In foreground attach, in non-stop mode, make sure to
stop all threads of the just attached to process.
(attach_command): In non-stop mode: If doing a background attach,
stop at least one thread. If a foreground attach, stop all
threads.
(async_event_handler): Forward declare.
(async_event_handler_func): New typedef.
(create_async_event_handler, delete_async_event_handler)
(mark_async_event_handler): Declare.
* event-loop.c (event_data): New.
(event_handler_func): Take an event_data instead of an integer.
(struct gdb_event): Replace the integer file descriptor by a
generic event_data.
(async_event_handler): New.
(async_handler_ready): Delete.
(async_event_handler_list): New.
(create_event): New.
(create_file_event): Use it.
(process_event): Adjust.
(gdb_do_one_event): Poll from the event sources in round-robin
fashion across calls. Be sure to consult all sources before
blocking.
(handle_file_event): Take an event_data instead of an integer.
Adjust.
(gdb_wait_for_event): Add `block' argument. Handle it.
(mark_async_signal_handler): Remove unneeded cast.
(invoke_async_signal_handler): Rename to ...
(invoke_async_signal_handlres): ... this. Return true if any was
handled.
(check_async_ready): Delete
(create_async_event_handler): New.
(mark_async_event_handler): New.
(struct async_event_handler_data): New.
(invoke_async_event_handler): New.
(check_async_event_handlers): New.
(delete_async_event_handler): New.
(handle_timer_event): Adjust.
Pedro Alves <pedro@codesourcery.com>
* infrun.c (can_use_displaced_stepping): Change type to
const char pointer.
(can_use_displaced_stepping_auto): New string.
(can_use_displaced_stepping_on): New string.
(can_use_displaced_stepping_off): New string.
(can_use_displaced_stepping_enum): New array.
(show_can_use_displaced_stepping): In auto mode, also show
the current effect of the option.
(use_displaced_stepping): Return non-zero if displaced
stepping is auto, and can be used with GDBARCH, and in
non-stop mode. Return non-zero if displaced stepping is on,
and can be used with GDBARCH. Return zero otherwise.
(_initialize_infrun): Make the "set displaced-stepping"
command an enum command. Change its class to class_run.
Place it in the top level set list. Extend help to describe
the auto mode.
2008-10-24 Hui Zhu <teawater@gmail.com>
Pedro Alves <pedro@codesourcery.com>
* gdb.texinfo (displaced-stepping): Describe the auto mode
setting, and say it's the default. This is now a mainstream
setting instead of a maintenance setting.
2008-10-23 Pedro Alves <pedro@codesourcery.com>
* defs.h: Mention ptid_is_pid.
* inferior.h (ptid_is_pid): Declare.
* gdbthread.h (struct thread_info) <stop_requested>: New field.
(set_stop_requested): Declare.
* infcmd.c (interrupt_target_1): Call set_stop_requested.
* infrun.c (clear_proceed_status): Clear stop_requested.
(infrun_thread_stop_requested_callback,
infrun_thread_stop_requested): New.
(handle_inferior_event): If a TARGET_SIGNAL_TRAP is reported on a
thread that had an explicit stop request, pretend we got a
TARGET_SIGNAL_0. Always stop if the thread had an explicit stop
request.
(print_stop_reason): In the SIGNAL_RECEIVED case, if we're not
outputting to MI, and we got a TARGET_SIGNAL_0, print "# Stopped",
instead of mentioning signal 0.
(ptid_is_pid): New.
* thread.c (set_stop_requested): New.
* linux-nat.c (queued_waitpid): Rename to ...
(queued_waitpid_1): ... this. Add `peek' argument. Handle it.
(queued_waitpid): New, as wrapper to queued_waitpid_1.
(push_waitpid): Push the SIGTRAP to the local event queue, to the
kernel's.
(send_sigint_callback): Delete.
(linux_nat_stop_lwp): New.
(linux_nat_stop): Use it.
gdb/doc/
2008-10-23 Pedro Alves <pedro@codesourcery.com>
* observer.texi (thread_stop_requested): New.
gdb/testsuite/
2008-10-23 Pedro Alves <pedro@codesourcery.com>
* lib/mi-support.exp (mi_expect_interrupt): Expect signal 0
instead of SIGINT.
"yes", and set enable_tui to "no" if previously set to "auto".
Check for waddstr only if TUI support was requested. Move the
part of the configure script that updates various Makefile
variables up, together with the check for waddstr.
* configure: Regenerate.
non-arm output target from here...
(arm_elf_create_output_section_statements): ... to here, so that
the check is made at the earliest possible opportunity.
