Commit Graph

154 Commits

Author SHA1 Message Date
Pedro Alves c35b149212 * target.h (struct target_ops): Make to_has_all_memory,
to_has_memory, to_has_stack, to_has_registers and to_has_execution
	methods instead of variables.
	(target_has_all_memory_1, target_has_memory_1, target_has_stack_1)
	(target_has_registers_1, target_has_execution_1): Declare
	functions.
	(target_has_all_memory): Rewrite to call target_has_all_memory_1.
	(target_has_memory): Rewrite to call target_has_memory_1.
	(target_has_stack): Rewrite to call target_has_all_stack_1.
	(target_has_registers): Rewrite to call target_has_registers_1.
	(target_has_execution): Rewrite to call target_has_execution_1.
	(default_child_has_all_memory, default_child_has_memory)
	(default_child_has_stack, default_child_has_registers)
	(default_child_has_execution): Declare.
	(target_mark_running, target_mark_exited): Delete declarations.
	* target.c (default_child_has_all_memory,
	default_child_has_memory, default_child_has_stack,
	default_child_has_registers, default_child_has_execution): New.
	(target_has_all_memory_1, target_has_memory_1, target_has_stack_1,
	target_has_registers_1, target_has_execution_1): New.
	(add_target): Default the to_has_all_memory, to_has_all_memory,
	to_has_memory, to_has_stack, to_has_registers and to_has_execution
	callbacks to return 0.
	(update_current_target): Do not inherit to_has_all_memory,
	to_has_memory, to_has_stack, to_has_registers or to_has_execution.
	(target_mark_running, target_mark_exited): Delete.
	(memory_xfer_partial): Adjust.
	(target_read_memory, target_write_memory, target_search_memory):
	Dispatch to the the top-most target, not the flattened
	current_target.
	(target_info): Adjust.
	(init_dummy_target): Install return_zero as callback for
	to_has_all_memory, to_has_memory, to_has_stack, to_has_registers,
	to_has_execution.
	(set_maintenance_target_async_permitted): Use have_live_inferiors
	instead of target_has_execution.
	* target-memory.c (target_write_memory_blocks): Dispatch memory
	writes to the the top-most target, not the flattened
	current_target.

	* breakpoint.c (insert_breakpoints): Don't check for
	target_has_execution here.
	(update_global_location_list): Check if there are live inferiors
	to debug instead of target_has_execution.
	* infcmd.c (kill_command, detach_command): Check if there are
	inferiors instead of target_has_execution.
	* inferior.h (have_live_inferiors): Declare.
	* inferior.c (have_live_inferiors): New.
	* infrun.c (normal_stop): Don't check for target_has_execution to
	finish the thread states.
	* thread.c (is_thread_state, is_stopped, is_exited, is_running)
	(any_running, is_executing): Remove checks for
	target_has_execution.
	* top.c (kill_or_detach): Don't try to kill core inferiors.
	(quit_target): Don't check for target_has_execution.

	* corelow.c (core_has_memory, core_has_stack, core_has_registers):
	New.
	(init_core_ops): Install core_has_memory, core_has_stack and
	core_has_registers.
	* exec.c (exec_has_memory): New.
	(init_exec_ops): Install exec_has_memory.
	* remote.c (remote_add_inferior): Don't call target_mark_running.
	(remote_start_remote): Don't call target_mark_exited or call
	target_mark_running.
	(remote_open_1): Use have_inferiors instead of
	target_has_execution.  Don't use target_mark_exited.
	(init_remote_ops): Install deafult_child_has_all_memory,
	default_child_has_memory, default_child_has_stack,
	default_child_has_registers, default_child_has_execution.
	* bsd-kvm.c (bsd_kvm_return_one): New.
	(bsd_kvm_add_target): Register bsd_kvm_return_one as
	to_has_memory, to_has_stack and to_has_registers callbacks.
	* remote-m32r-sdi.c (m32r_return_one): New.
	(init_m32r_ops): Register it.
	* inf-child.c (inf_child_target): Adjust to register
	default_child_has_all_memory, default_child_has_memory,
	default_child_has_stack, default_child_has_registers,
	default_child_has_execution callbacks.
	* gnu-nat.c (init_gnu_ops): Likewise.
	* go32-nat.c (init_go32_ops): Likewise.
	* hpux-thread.c (init_hpux_thread_ops): Likewise.
	* monitor.c (init_base_monitor_ops): Likewise.
	* nto-procfs.c (init_procfs_ops): Likewise.
	* remote-mips.c (_initialize_remote_mips): Likewise.
	* windows-nat.c (init_windows_ops): Likewise.
	* remote-sim.c (gdbsim_create_inferior): Don't use
	target_mark_running or target_mark_exited.
	(gdbsim_mourn_inferior): Don't call target_mark_exited.
	(init_gdbsim_ops): Adjust to register
	default_child_has_all_memory, default_child_has_memory,
	default_child_has_stack, default_child_has_registers,
	default_child_has_execution callbacks.

	* linux-nat.c (linux_nat_xfer_partial): If reading memory, and
	there's no inferior selected, defer to a lower stratum.
2009-06-07 16:46:48 +00:00
Doug Evans e09875d410 gdb:
Global renaming of find_thread_pid to find_thread_ptid.
	* gdbthread.h (find_thread_ptid): Renamed from find_thread_pid.
	* thread.c (find_thread_ptid): Renamed from find_thread_pid.
	All callers updated.
gdbserver:
	Global renaming of find_thread_pid to find_thread_ptid.
	* server.h (find_thread_ptid): Renamed from find_thread_pid.
	* inferiors.c (find_thread_ptid): Renamed from find_thread_pid.
	All callers updated.
2009-05-24 21:06:53 +00:00
Pedro Alves e58b0e63bb gdb/
* gdbthread.h (struct thread_info): New `pending_follow' field.
	* thread.c (new_thread): New function.
	(add_thread_silent): Use it.
	* breakpoint.c (internal_breakpoint_number): New global, moved
	from inside...
	(create_internal_breakpoint): ... this.
	(clone_momentary_breakpoint): New.
	* breakpoint.h (clone_momentary_breakpoint): Declare.
	* infrun.c (nullify_last_target_wait_ptid): Move declaration
	higher.
	(pending_follow): Delete.
	(follow_fork): Handle pending follow fork event here.  Moved the
	preserving of thread stepping state here.
	(resume): Don't handle pending follow fork events here.  Only
	install the inferior's terminal modes if we're about to resume it.
	(proceed): Handle possible pending follow fork events here.
	(init_wait_for_inferior): No need to clear pending_follow anymore,
	it's gone.
	(handle_inferior_event): Adjust to per-thread `pending_follow'.
	Call `follow_fork' to handle following the fork.  If the
	follow-fork is cancelled, stop stepping.
	* linux-nat.c (linux_child_follow_fork): Adjust to per-thread
	`pending_follow' events.  Remove code that handled preserving the
	thread stepping state.
	* inf-ptrace.c (inf_ptrace_follow_fork): Ditto.
	* inf-ttrace.c (inf_ttrace_follow_fork): Ditto.

gdb/testsuite/
	* gdb.threads/fork-thread-pending.c: New.
	* gdb.threads/fork-thread-pending.exp: New.
2009-05-24 18:00:08 +00:00
Pedro Alves d90e17a74d * fork-child.c (fork_inferior): Only reset the thread list if this
is the first inferior.
	(startup_inferior): If the target support multi-process, tell it
	to resume only the new process.
	* linux-nat.c (num_lwps): Delete global.
	(purge_lwp_list): New function.
	(num_lwps): New function.
	(add_lwp, delete_lwp): Adjust.
	(ptid_match): New.
	(iterate_over_lwps): Add filter argument.  Handle it.
	(linux_nat_attach): Remove FIXME note.
	(linux_nat_detach): Adjust to iterate over threads of the inferior
	we're detaching from.  Adjust to num_lwps being a function.  Don't
	assume the head of the lwp list is the main thread of the process
	we're detaching from.  Don't destroy the LWP list.
	(resume_callback): Add debug output.
	(linux_nat_resume): Handle resuming a single inferior.  Allow a
	wildcard resume in non-stop mode.
	(linux_handle_extended_wait): Don't assume inferior_ptid is the
	correct inferior of the parent LWP.
	(status_callback): Also check lp->waitstatus.
	(select_event_lwp): Add new filter parameter.  Handle it.
	(linux_nat_filter_event): Adjust to num_lwps being a function.
	(linux_nat_wait_1): When adding the first lwp of the inferior, use
	an is_lwp check instead of checking for the number of lwps.
	(linux_nat_wait_1): Handle waiting for a specific tgid.  Handle
	pending process exit statuses.
	(linux_nat_mourn_inferior): Don't destroy all the LWP info.
	Instead delete LWPs of the inferior that we're mourning.  Don't
	unregister from the event loop here.
	(linux_nat_pid_to_str): Use `num_lwps'.
	(linux_nat_make_corefile_notes): Adjust to walk over lwps of a
	single inferior.
	(linux_nat_is_async_p): Check if async was masked out.
	(linux_multi_process): New global.
	(linux_nat_supports_multi_process): New.
	(linux_nat_stop_lwp): Remove LWP filtering.  It is done by the
	caller.
	(linux_nat_stop): Adjust to make iterate_over_lwps itself do the
	LWP filtering.
	(linux_nat_close): New.
	(linux_nat_add_target): Register linux_nat_close and
	linux_nat_supports_multi_process.
	* linux-nat.h (iterate_over_lwps): Add filter argument.
	* linux-thread-db.c (thread_db_handle): Delete.
	(proc_handle, thread_agent, td_init_p, td_ta_new_p)
	(td_ta_map_id2thr_p, td_ta_map_lwp2thr_p, td_ta_thr_iter_p)
	(td_ta_event_addr_p, td_ta_set_event_p, td_ta_event_getmsg_p)
	(td_thr_validate_p, td_thr_get_info_p, td_thr_event_enable_p)
	(td_thr_tls_get_addr_p, td_create_bp_addr, td_death_bp_addr): No
	longer globals, moved to...
	(struct thread_db_info): ... this new structure.
	(thread_db_list): New.
	(add_thread_db_info, get_thread_db_info, delete_thread_db_info):
	New.
	(have_threads_callback): Filter out threads of all inferiors but
	the one specified by the ARGS argument.
	(have_threads): Add ptid argument specifying the inferior we're
	interested in.  Handle it.
	(struct thread_get_info_inout): New.
	(thread_get_info_callback, thread_from_lwp): Adjust to use it.
	(thread_db_attach_lwp): Check that inferior of the passed in
	thread is using thread-db.  Adjust.
	(enable_thread_event): Remove thread_agent parameter.  Instead,
	get it from the per-inferior thread-db info.
	(dladdr_to_soname): Move higher up.
	(enable_thread_event_reporting): Adjust to use per-inferior
	thread-db info.
	(try_thread_db_load_1): Replace `handle' parameter by a
	thread_db_info parameter.  Adjust to use per-inferior thread-db
	info.
	(try_thread_db_load): Adjust to use per-inferior thread-db info.
	(thread_db_load, disable_thread_event_reporting): Ditto.
	(check_for_thread_db): Remove conditional reporting of which
	libthread_db is in use.
	(thread_db_new_objfile): Add comment about inferior_ptid.
	(attach_thread): Adjust to use per-inferior thread-db info.
	(thread_db_detach): Adjust to use per-inferior thread-db info.
	Remove thread event breakpoints of the current inferior.  Only
	unpush the thread-db target if there are no more processes using
	it.
	(check_event): Adjust to use per-inferior thread-db info.
	(thread_db_wait): Adjust to use per-inferior thread-db info.  Only
	unpush the thread-db target if there are no more processes using
	it.
	(thread_db_mourn_inferior): Adjust to use per-inferior thread-db
	info.  Mark breakpoints of the current inferior out before
	deleting them.  Only unpush the thread-db target if there are no
	more processes using it.
	(find_new_threads_callback): Adjust to use per-inferior thread_db
	info.
	(thread_db_find_new_threads_1): Add new ptid argument.  Adjust to
	use per-inferior thread-db info.
	(thread_db_find_new_threads): Adjust to use per-inferior thread-db
	info.
	(thread_db_get_thread_local_address): Adjust.
	(thread_db_get_ada_task_ptid): Adjust.
	* inf-ptrace.c (inf_ptrace_mourn_inferior): Only unpush the target
	if there no more processes left to debug.
	* thread.c (set_running, set_executing): Handle resuming all
	threads of a single inferior.
	* mi/mi-interp.c (mi_output_running_pid): New.
	(mi_inferior_count): New.
	(mi_on_resume): For backwards compatibility, if resuming all
	threads of an inferior, and there is only one inferior, output
	"all".
2009-05-18 14:07:18 +00:00
Ulrich Weigand fb14de7bbd * inferior.h (read_pc, write_pc): Remove.
* regcache.c (read_pc, write_pc): Remove.

	* infrun.c (displaced_step_fixup): Use regcache_read_pc instead
	of read_pc.
	(handle_inferior_event): Use regcache_read_pc instead of read_pc
	when determining value of stop_pc.  Replace subsequent uses of
	read_pc by inspecting already-retrieved stop_pc value.
	(keep_going): Use regcache_read_pc instead of read_pc.

	* breakpoint.c (watchpoint_check): Use current frame architecture
	and PC instead of current_gdbarch and read_pc ().
	* tracepoint.c (set_traceframe_context): Replace PC argument
	with FRAME argument.
	(trace_start_command, finish_tfind_command): Update calls.
	(finish_tfind_command): Compare frame IDs to identify transitions
	between frames.
	(trace_find_pc_command): Use regcache_read_pc instead of read_pc.
	* rs6000-nat.c (exec_one_dummy_insn): Pass in regcache instead
	of gdbarch.  Use regcache_read_pc and regcache_write_pc instead
	of read_pc and write_pc.
	(store_register): Make regcache argument non-const.  Update call
	to exec_one_dummy_insn.

	* thread.c (switch_to_thread): Use regcache_read_pc instead of read_pc.
	* infcmd.c (post_create_inferior): Likewise.
	* solib-darwin.c (darwin_solib_create_inferior_hook): Likewise.
	* solib-pa64.c (pa64_solib_create_inferior_hook): Likewise.
	* solib-sunos.c (sunos_solib_create_inferior_hook): Likewise.
	* solib-svr4.c (enable_break, svr4_relocate_main_executable): Likewise.
	* linux-fork.c (fork_load_infrun_state): Likewise.
	* hppa-hpux-tdep.c (hppa_hpux_push_dummy_code): Likewise.
	* record.c (record_wait): Likewise.
	* procfs.c (procfs_wait): Likewise.
	* remote-mips.c (common_open, mips_wait): Likewise.
	* remote-m32r-sdi.c (m32r_resume): Likewise.

	* symfile.c (generic_load): Use regcache_write_pc instead of write_pc.
	* monitor.c (monitor_create_inferior, monitor_load): Likewise.
	* m32r-rom.c (m32r_load, m32r_upload_command): Likewise.
	* remote-m32r-sdi.c (m32r_create_inferior, m32r_load): Likewise.
	* remote-mips.c (mips_create_inferior, mips_load): Likewise.

	* solib-darwin.c: Include "regcache.h".
	* solib-pa64.c: Include "regcache.h".
	* solib-svr4.c: Include "regcache.h.".

	* symfile.c: Do not mention read_pc or write_pc in comments.
	* dink32-rom.c: Likewise.
	* m32r-rom.c: Likewise.
	* mips-tdep.c: Likewise.
2009-05-05 13:24:49 +00:00
Pedro Alves bad34192e5 * remote.c (remote_notice_new_inferior): Use ptid_is_pid. Check
if the thread's ptid without a thread id field is in the list
	before calling thread_change_ptid.
	(extended_remote_attach_1): In non-stop mode, do not rely on
	querying the current thread, instead, query the thread list, and
	select the first thread of the process.
	* gdbthread.h (first_thread_of_process): Declare.
	* thread.c (first_thread_of_process): Define.
2009-03-31 15:23:57 +00:00
Doug Evans 88fc996f58 * thread.c (do_restore_current_thread_cleanup): Redo test for
whether to restore old->inferior_ptid.

	* gdb.mi/mi-nonstop-exit.exp: New file.
	* gdb.mi/non-stop-exit.c: New file.
2009-03-27 02:44:51 +00:00
Doug Evans a5321aa4d5 * thread.c (inferior_thread) Remove "extern" in definition. 2009-03-26 21:30:26 +00:00
Pedro Alves a07daef34e gdb/
* infrun.c (infrun_thread_thread_exit): New.
	(_initialize_infrun): Attach it to the thread_exit observer.
	* thread.c (delete_thread_1): Always call the observer, passing it
	the silent flag.
	* mi/mi-interp.c (mi_thread_exit): Add "silent" parameter.  If
	SILENT, return immediately.

gdb/doc/
	* observer.texi (thread_exit): Add "silent" parameter.
2009-03-25 21:53:11 +00:00
Pedro Alves d729566a19 * infrun.c (normal_stop): Use has_stack_frames instead of
target_has_stack.
	* mi/mi-main.c (mi_execute_command): Avoid calling inferior_thread
	when there is no thread selected.
	(mi_cmd_execute): Don't special case commands that can run without
	a valid selected thread.
	* top.c (execute_command): Don't special case commands that can
	run without a valid selected thread.  Use has_stack_frames.
	* infcmd.c (ensure_valid_thread): New.
	(continue_1, step_1, jump_command, signal_command): Use it.
	(detach_command): Error out if there's no selected thread/inferior.
	* thread.c (print_thread_info): Allow having no thread selected.
	(switch_to_thread): Don't read the PC if there is no current thread.
	(do_restore_current_thread_cleanup): Don't record the current
	frame if there is no current thread.
	(make_cleanup_restore_current_thread): Don't read frame info if
	there is no selected thread.
	(_initialize_thread): Don't mark commands as
	"no_selected_thread_ok".
	* frame.c (get_current_frame): Error out if there is no valid
	selected thread.
	(has_stack_frames): Return false if there is no valid
	selected thread.
	* cli/cli-cmds.c (init_cli_cmds): Don't mark commands as
	"no_selected_thread_ok".
	* cli/cli-decode.c (set_cmd_no_selected_thread_ok)
	(get_cmd_no_selected_thread_ok): Delete.
	* cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): Delete.
	(set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok):
	Delete declaration.
	* stack.c (get_selected_block): Use has_stack_frames.
2009-03-25 21:42:35 +00:00
Pedro Alves c5a4d20bb9 * gdbthread.h (struct thread_info): Add in_infcall member.
* infcall.c (run_inferior_call): Save, set and restore in_infcall.
	Remove reverences to suppress_resume_observer.  Refresh
	`call_thread' after returning from `proceed'.
	* infcmd.c (suppress_resume_observer): Delete.
	* inferior.h (suppress_resume_observer): Delete declaration.
	* mi/mi-interp.c (mi_on_resume): Suppress output while calling an
	inferior function.
	* thread.c (set_running): Remove references to
	suppress_resume_observer.
	* infrun.c (struct inferior_status): Add in_infcall member.
	(save_inferior_status): Save it.
	(restore_inferior_status): Restore it.
2009-03-22 17:59:59 +00:00
Pedro Alves 54ba13f733 * target.h (target_tid_to_str): Delete.
* thread.c (print_thread_info, thread_apply_all_command)
	(thread_apply_command, thread_command, do_captured_thread_select):
	Use target_pid_to_str instead of target_tid_to_str.
	* linux-fork.c (delete_fork_command): Likewise.
2009-02-05 18:54:50 +00:00
Vladimir Prus 592375cda9 PR 8145.
* thread.c (do_captured_list_thread_ids): Report the current
	thread id.
2009-01-30 18:43:05 +00:00
Pedro Alves 29f49a6a4f PR gdb/9747:
* gdbthread.h (finish_thread_state, finish_thread_state_cleanup):
	Declare.
	* thread.c (finish_thread_state, finish_thread_state_cleanup): New.
	* infrun.c (wait_for_inferior, fetch_inferior_event): If an error
	is thrown while handling an event, finish the thread state.
	(normal_stop): Use finish_thread_state cleanup.
	* infcmd.c (run_command_1): If an error is thrown while starting
	the inferior, finish the thread state.
2009-01-18 17:42:16 +00:00
Nick Roberts db5a74845b (thread_command): Move call to annotate_thread_changed
to...
(do_captured_thread_select): ... here, to avoid printing an
annotation if the thread change generates an exception.
2009-01-17 20:39:52 +00:00
Joel Brobecker 0fb0cc7590 Updated copyright notices for most files. 2009-01-03 05:58:08 +00:00
Vladimir Prus 3ee1c036ac Implement -list-thread-groups.
* thread.c (print_thread_info): New parameter pid, to print
        threads of specific process.
        * gdbthread.h (print_thread_info): New parameter pid.
        * mi/mi-cmds.c (mi_cmds): Register -list-thread-groups.
        * mi/mi-cmds.h (mi_cmd_list_thread_groups): New.
        * mi/mi-main.c (mi_cmd_thread_info): Adjust.
        (print_one_process, mi_cmd_list_thread_groups): New.
2008-11-17 12:13:49 +00:00
Vladimir Prus ed40653276 * thread.c (print_thread_info): Eliminate now useless checks
for exited threads.
2008-11-09 07:54:27 +00:00
Pedro Alves 252fbfc86a gdb/
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.
2008-10-23 23:11:21 +00:00
Pedro Alves 82f7388440 Implement remote multi-process extensions.
* remote.c (struct remote_state): Add extended and
	multi_process_aware fields.
	(remote_multi_process_p): New.
	(PACKET_vKill): New.
	(record_currthread): Use thread_change_ptid.  Notice new
	inferiors.
	(set_thread, remote_thread_alive): Use write_ptid.
	(write_ptid, read_ptid): New.
	(remote_current_thread, remote_threads_extra_info): Use them.
	(remote_threads_info): Likewise.  Detect new inferiors.
	(remote_start_remote): Add inferior to inferior list.
	(remote_multi_process_feature): New.
	(remote_protocol_features): Add "multiprocess" feature.
	(remote_query_supported): Pass "multiprocess+" as supported
	features.
	(remote_open_1): Clear multi_process_aware.  Set extended
	accordingly.
	(remote_detach_1): Detach current process.  Use extended packet
	format for extended-remote multi-process.  Detach process from the
	inferior list.  Only mourn after printing output.
	(extended_remote_attach_1): Add process to the inferior list.
	(remote_vcont_resume): Use write_ptid to pass the thread ids.
	(remote_wait): Use read_ptid.  Implement the extended
	multi-process extension format of the 'W' and 'X' reply packets.
	Remove exited inferiors from inferior list.
	(remote_xfer_memory): Set general thread.
	(remote_vkill): New.
	(extended_remote_kill): New.
	(remote_mourn_1): Discard all inferiors.
	(select_new_thread_callback): New.
	(extended_remote_mourn_1): If there are more processes to debug,
	switch to a thread in another process, and don't pop the target.
	(extended_remote_create_inferior_1): Add the new process to the
	inferior list.
	(remote_stopped_by_watchpoint): Indenting.
	(remote_xfer_partial): Set the general thread.
	(remote_pid_to_str): If the remote is multi-process aware, print
	the process id as well as the thread id.
	(remote_get_thread_local_address): Use write_ptid.
	(init_extended_remote_ops): Register extended_remote_kill.
	(_initialize_remote): Register new packets.  Change
	magic_null_ptid's, not_sent_ptid's and any_thread_ptid's pid
	member to 42000.

	* thread.c (thread_change_ptid): Also account for the inferior pid
	changing.

	* inferior.h (discard_all_inferiors): Declare.
	* inferior.c (discard_all_inferiors): New.
2008-09-22 15:18:30 +00:00
Pedro Alves dcf4fbde10 * inferior.h (context_switch_to): Delete.
* infrun.c (context_switch): Don't save and load infrun state.
	(context_switch_to): Delete.

	* infcmd.c (proceed_thread_callback): Replace context_switch_to
	calls by switch_to_thread calls.

	* gdbthread.h (save_infrun_state, load_infrun_state): Delete.
	* thread.c (main_thread_state, main_thread_executing): Delete.
	(inferior_thread): Delete references to them.
	(add_thread_silent): Fix case where we're adding a thread with the
	same ptid as an exited thread.  Remove references to
	context-switching.
	(load_infrun_state, save_infrun_state): Delete.
	(thread_alive, is_thread_state, any_running, is_executing)
	(set_executing): Remove the special handling for targets that
	don't register any thread.
	(restore_current_thread, thread_apply_all_command)
	(do_captured_thread_select): Unconditionally call
	switch_to_thread.

	* mi/mi-main.c (mi_cmd_execute): Check for exited threads.
	Call switch_to_thread instead of context_switch_to.
2008-09-08 22:10:20 +00:00
Pedro Alves 95e54da724 Remove global continuations in favour of a per-thread
continuations.

	* gdbthread.h (struct thread_info): Add comments around
	continuations and intermediate_continuations.
	(save_infrun_state, load_infrun_state): Delete continuations and
	intermediate_continuations arguments.
	* infrun.c (fetch_inferior_event): Only call normal_stop if
	stop_soon is NO_STOP_QUIETLY.
	(context_switch): Don't context-switch the continuations.
	* thread.c (clear_thread_inferior_resources): Discard all
	continuations of the thread we're clearing.
	(save_infrun_state, load_infrun_state): Delete continuations and
	intermediate_continuations arguments, and the code referencing
	them.
	* utils.c: Include "gdbthread.h".
	(cmd_continuation, intermediate_continuation): Delete.
	(add_continuation): Add thread_info* argument.  Install the
	continuation on it.
	(restore_thread_cleanup): New.
	(do_all_continuations_ptid, do_all_continuations_thread_callback):
	New.
	(do_all_continuations): Reimplement.
	(discard_all_continuations_thread_callback,
	discard_all_continuations_thread): New.
	(discard_all_continuations): Reimplement.
	(add_intermediate_continuation): Add thread_info* argument.
	Install the continuation on it.
	(do_all_intermediate_continuations_thread_callback)
	(do_all_intermediate_continuations_thread): New.
	(do_all_intermediate_continuations): Reimplement.
	(discard_all_intermediate_continuations_thread_callback): New.
	(discard_all_intermediate_continuations_thread): New.
	(discard_all_intermediate_continuations): Reimplement.

	* breakpoint.c (until_break_command): Install the continuation on
	the current thread.

	* defs.h (cmd_continuation, intermediate_continuation): Delete.
	(struct thread_info): Forward declare.
	(add_continuation, add_intermediate_continuation): Add
	thread_info* argument.
	(do_all_continuations_thread, discard_all_continuations_thread)
	(do_all_intermediate_continuations_thread)
	(discard_all_intermediate_continuations_thread): Declare.
	* inf-loop.c (inferior_event_handler): In non-stop only run
	continuations on the thread that stopped.  In all-stop, run
	continuations on all threads.
	* infcmd.c (step_once, finish_command): Adjust.
2008-09-08 21:57:42 +00:00
Pedro Alves 414c69f7a7 Remove the global stop_step in favour of a per-thread
stop_step.

	* inferior.h (stop_step): Delete.

	* gdbthread.h (struct thread_info): Add comments to stop_step.
	(save_infrun_state, load_infrun_state): Remove stop_step argument.
	* thread.c (load_infrun_state, save_infrun_state): Remove
	stop_step argument, and references to it.

	* infrun.c (clear_proceed_status): Clear stop_step.
	(fetch_inferior_event): Adjust.
	(context_switch): Don't context-switch stop_step.
	(handle_inferior_event): Adjust.
	(normal_stop): Adjust.
	(save_inferior_status, restore_inferior_status): Adjust.

	* infcmd.c (stop_step): Delete.
	(step_1, step_1_continuation, step_once, until_next_command):
	Adjust.
2008-09-08 21:55:16 +00:00
Pedro Alves af679fd003 Remove the global step_multi in favour of a per-thread
step_multi.

	* inferior.h (step_multi): Delete.
	* gdbthread.h (struct thread_info): Add comments around
	step_multi.
	(save_infrun_state, load_infrun_state): Remove step_multi
	parameter.
	* thread.c (load_infrun_state, save_infrun_state): Remove
	step_multi argument, and references to it.
	* infcmd.c (step_multi): Delete.
	(step_1): Adjust.
	(step_1_continuation, until_next_command): Adjust.
	* infrun.c (fetch_inferior_event): Adjust.
	(context_switch): Don't context-switch step_multi.
	(print_stop_reason, normal_stop): Adjust.
2008-09-08 21:52:25 +00:00
Pedro Alves 2020b7abd8 Remove the global stop_signal in favour of a per-thread
stop_signal.

	* inferior.h (stop_signal): Delete.
	* gdbthread.h (save_infrun_state, load_infrun_state): Remove
	stop_signal argument.
	* thread.c (load_infrun_state, save_infrun_state): Remove
	stop_signal argument.  Don't reference it.

	* infcmd.c (stop_signal): Delete.
	(program_info): Adjust.
	* infrun.c (resume): Clear stop_signal.
	(proceed): Adjust.  Pass the last stop_signal to the thread we're
	resuming.
	(context_switch): Don't context-switch stop_signal.
	(handle_inferior_event, keep_going): Adjust.
	(save_inferior_status, restore_inferior_status): Adjust.

	* fbsd-nat.c: Include "gdbthread.h".
	(find_signalled_thread, find_stop_signal): New.
	(fbsd_make_corefile_notes): Use it.
	* fork-child.c (startup_inferior): Adjust.

	* linux-nat.c (get_pending_status): Adjust.
	(linux_nat_do_thread_registers): Adjust.
	(find_signalled_thread, find_stop_signal): New.
	(linux_nat_do_thread_registers): Add stop_signal parameter.
	(struct linux_nat_corefile_thread_data): Add stop_signal member.
	(linux_nat_corefile_thread_callback): Pass stop_signal.
	(linux_nat_do_registers): Delete.
	(linux_nat_make_corefile_notes): Use find_stop_signal.  Assume
	there's always a thread.

	* procfs.c (find_signalled_thread, find_stop_signal): New.
	(find_stop_signal): New.
	(procfs_do_thread_registers): Add stop_signal parameter.
	(struct procfs_corefile_thread_data): Add stop_signal member.
	(procfs_corefile_thread_callback): Pass args->stop_signal.
	(procfs_make_note_section): Find the last stop_signal.

	* solib-irix.c: Include gdbthread.h.
	(irix_solib_create_inferior_hook): Adjust.
	* solib-osf.c: Include gdbthread.h.
	(osf_solib_create_inferior_hook): Adjust.
	* solib-sunos.c: Include gdbthread.h.
	(sunos_solib_create_inferior_hook): Adjust.
	* solib-svr4.c: Include gdbthread.h.
	(svr4_solib_create_inferior_hook): Adjust.

	* win32-nat.c (do_initial_win32_stuff): Adjust.
2008-09-08 21:51:18 +00:00
Pedro Alves 32400bebb2 * gdbthread.h (struct thread_info): Add comments around
proceed_to_finish.
	(save_infrun_state, load_infrun_state): Remove proceed_to_finish
	argument.
	* thread.c (load_infrun_state, save_infrun_state): Delete
	proceed_to_finish argument and references to it.

	* infcall.c (call_function_by_hand): Adjust.
	* infcmd.c (finish_command): Adjust.
	* infrun.c (proceed_to_finish): Delete.
	(clear_proceed_status): Adjust.
	(context_switch): Don't context-switch proceed_to_finish.
	(normal_stop, save_inferior_status, restore_inferior_status):
	Adjust.
2008-09-08 21:48:52 +00:00
Pedro Alves 347bddb745 * inferior.h (stop_bpstat): Delete.
* breakpoint.h (bpstat_do_actions): Remove bpstat* argument.

	* breakpoint.c (bpstat_do_actions): Rename to ...
	(bpstat_do_actions_1): ... this.  Make static.  Change return type
	to int.  Return true if a breakpoint proceeded.
	(bpstat_do_actions): New, as wrapper around bpstat_do_actions_1.
	(delete_breakpoint): Don't reference the global stop_bpstat; it's
	gone.

	* gdbthread.h (struct thread_info): Add stop_bpstat.
	(save_infrun_state, load_infrun_state): Remove stop_bpstat
	argument.
	* thread.c (load_infrun_state, save_infrun_state): Remove
	stop_bpstat argument, and the code referencing it.

	* infcall.c: Include "gdbthread.h".
	(call_function_by_hand): Adjust.
	* exceptions.c: Include "gdbthread.h".
	(throw_exception): Adjust.
	* infcmd.c (stop_bpstat): Delete.
	(continue_command): In all-stop, set the ignore count on the
	thread that reported the stop.  In non-stop, set it on the current
	thread.
	(finish_command_continuation): Adjust.
	(program_info): Adjust.
	* infrun.c (clear_proceed_status): Adjust.
	(context_switch): Don't context-switch stop_bpstat.
	(handle_inferior_event): Adjust.
	(normal_stop): Adjust.
	(save_inferior_status, restore_inferior_status): Adjust.

	* inf-loop.c (inferior_event_handler): Remove parameter to
	bpstat_do_actions call.
	* top.c (command_loop): Remove parameter to bpstat_do_actions
	call.  Call it unconditionally.
	* event-top.c (command_handler): Ditto.
	* python/python.c (execute_gdb_command): Ditto.
2008-09-08 21:46:21 +00:00
Pedro Alves 078130d0ca * inferior.h (step_over_calls): Delete.
* gdbthread.h (save_infrun_state, load_infrun_state): Remove
	step_over_calls argument.
	* thread.c (save_infrun_state, load_infrun_state): Remove
	step_over_calls argument.  Adjust.

	* infcmd.c (step_over_calls): Delete.
	(step_1): Adjust.
	* infrun.c (clear_proceed_status): Adjust.
	(context_switch): Don't context-switch step_over_calls.
	(handle_inferior_event, save_inferior_status)
	(restore_inferior_status): Adjust.
2008-09-08 21:43:00 +00:00
Pedro Alves 4e1c45eac7 Remove context switching in favour of accessing thread_info fields
directly.

	* infrun.c (stepping_over_breakpoint, step_resume_breakpoint):
	Delete.
	(struct thread_stepping_state): Delete.
	(gtss, tss): Delete.
	(follow_inferior_reset_breakpoints, follow_exec)
	(resume, clear_proceed_status): Adjust.
	(prev_pc): Delete.
	(proceed, start_remote, init_wait_for_inferior): Adjust.
	(struct execution_control_state): Add event_thread member.
	(delete_step_resume_breakpoint_callback)
	(delete_step_thread_step_resume_breakpoint)
	(delete_step_thread_step_resume_breakpoint_cleanup)
	(delete_step_thread_step_resume_breakpoint): New.
	(wait_for_inferior, init_execution_control_state): Use
	delete_step_thread_step_resume_breakpoint_cleanup.
	(wait_for_inferior): Set the event_thread.
	(fetch_inferior_event): Ditto.  Delete the step-resume breakpoint
	with delete_step_thread_step_resume_breakpoint.
	(init_thread_stepping_state): Change parameter type to
	thread_info.  Adjust.
	(context_switch): Don't context switch prev_pc,
	stepping_over_breakpoint, step_resume_breakpoint,
	step_range_start, step_range_end, step_frame_id,
	tss->stepping_over_breakpoint,
	tss->stepping_through_solib_after_catch,
	tss->stepping_through_solib_catchpoints, tss->current_line, or
	tss->current_symtab.
	(adjust_pc_after_break, handle_inferior_event)
	(currently_stepping, step_into_function)
	(insert_step_resume_breakpoint_at_sal)
	(insert_longjmp_resume_breakpoint, keep_going): Adjust.
	(clear_stepping_state): New.
	(normal_stop): Adjust.
	(save_inferior_status, restore_inferior_status): Adjust.

	* gdbthread.h (struct thread_info): Comments describing the
	members moved here.  Add step_after_step_resume_breakpoint.
	(delete_step_resume_breakpoint): Add thread_info argument.
	(save_infrun_state, load_infrun_state): Remove prev_pc,
	trap_expected, step_resume_breakpoint, step_range_start,
	step_range_end, step_frame_id, another_trap,
	stepping_through_solib_after_catch,
	stepping_through_solib_catchpoints, current_line and
	current_symtab function arguments.
	(inferior_thread): Declare.

	* thread.c (inferior_thread): New.
	(delete_step_resume_breakpoint): Add a thread_info parameter and
	rewrite.
	(load_infrun_state, save_infrun_state): Remove prev_pc,
	trap_expected, step_resume_breakpoint, step_range_start,
	step_range_end, step_frame_id, stepping_over_breakpoint,
	stepping_through_solib_after_catch,
	stepping_through_solib_catchpoints, current_line and
	current_symtab args.  Remove code referencing them.

	* infcmd.c (step_range_start, step_range_end, step_frame_id):
	Delete.
	(step_1, step_once, until_next_command): Adjust.

	* inferior.h (step_range_start, step_range_end, step_frame_id):
	Delete.

	* linux-nat.c (linux_child_follow_fork): If following the child,
	move the step state to it.  Adjust.
	* inf-ptrace.c (inf_ptrace_follow_fork): Ditto.
	* inf-ttrace.c (inf_ttrace_follow_fork): Ditto.
2008-09-08 21:40:39 +00:00
Pedro Alves 5231c1fd73 2008-08-18 Pedro Alves <pedro@codesourcery.com>
gdb/doc/
	* observer.texi (thread_ptid_changed): New.

	gdb/
	* gdbthread.h (thread_change_ptid): Declare.
	* infrun.c (infrun_thread_ptid_changed): New.
	(_initialize_infrun): Attach infrun_thread_ptid_changed to the
	thread_ptid_changed observer.
	* regcache.c (regcache_thread_ptid_changed): New.
	(_initialize_regcache): Attach regcache_thread_ptid_changed to the
	thread_ptid_changed observer.
	* thread.c (thread_change_ptid): New.
2008-08-18 22:35:17 +00:00
Vladimir Prus d72314c67b Kill cmd_async_ok.
* cli/cli-decode.h (CMD_ASYNC_OK, set_cmd_async_ok)
        (get_cmd_async_ok): Remove.
        * cli/cli-decode.c (set_cmd_async_ok, get_cmd_async_ok): Remove.
        * cli/cli-cmds.c (init_cli_cmds): Don't use set_cmd_async_ok.
        * infcmd.c (_initialize_infcmd): Likewise.
        * thread.c (_initialize_thread): Likewise.
2008-07-26 10:23:56 +00:00
Pedro Alves 0c50153633 * thread.c (restore_selected_frame): On fail to restore, select
the innermost frame, and don't crash when warning the user.
2008-07-13 19:25:58 +00:00
Vladimir Prus 1e92afda99 Implement --thread and --frame.
* gdbthread.h (find_thread_id): Declare.
        * thread.c (find_thread_id): Make non-static.
        * mi/mi-main.c (mi_cmd_execute): Switch to the right
        thread and frame, if necessary.
        * mi/mi-parse.c (mi_parse): Handle --thread and --frame.
        * mi/mi-parse.h (strcut mi_parse): New fields thread and frame.
2008-07-12 16:37:57 +00:00
Vladimir Prus 90139f7d5a Report thread state in -thread-info output.
* thread.c (print_thread_info): Add new field "state".
2008-07-12 12:34:19 +00:00
Pedro Alves 65fc9b7721 * thread.c (thread_apply_command): Move making the cleanup out of
the loop.
2008-07-11 11:26:39 +00:00
Pedro Alves 4f8d22e3b4 Exited threads.
* thread.c (enum thread_state): New.
	(thread_state main_thread_running): Delete, in favor of...
	(thread_state main_thread_state): ... this.  Update throughout.
	(clear_thread_inferior_resources): New, split from free_thread.
	(free_thread): Call clear_thread_inferior_resources.
	(init_thread_list): Set main thread to stopped state.
	(add_thread_silent): Take care of PTID reuses.
	(delete_thread): If deleting inferior_ptid or a thread with
	refcount > 0, mark it as exited, but still keep it in the list.
	Only notify of thread exits, if we haven't done so yet.
	(iterate_over_threads): Make it safe to delete threads while
	iterating over them.
	(do_captured_list_thread_ids): Don't account for exited threads.
	(thread_alive): Check for the THREAD_EXITED state, and don't set
	ptid to -1 on exited threads.
	(set_running): Update to account for extra possible states.
	(is_thread_state): New.
	(is_stopped, is_exited): New.
	(is_running): Implement in terms of is_thread_state.
	(any_running): Update.
	(print_thread_info): Update.  Account for exited threads.  Don't
	warn about missed frame restoring here, its done in the cleanup.
	(switch_to_thread): Don't read from a thread that has gone.
	(restore_current_thread): In non-stop mode, do a full context
	switch.
	(restore_selected_frame): Add a frame_level argument.  Rewrite.
	(struct current_thread_cleanup): Add selected_frame_level and
	was_stopped members.
	(do_restore_current_thread_cleanup): Check if thread was stopped
	and still is, and if the target has registers, stack and memory
	before restoring the selected frame.  Don't delete the cleanup
	argument here.
	(restore_current_thread_cleanup_dtor): New.
	(make_cleanup_restore_current_thread): Remove all arguments.
	Rewrite.
	(thread_apply_all_command): Update.  Prune threads.
	(thread_apply_command): Update.
	(thread_command): Account for currently selected exited thread.
	(do_captured_thread_select): Check for a running thread.  Prune
	threads.
	(_initialize_thread): Make "info threads", "thread", "thread
	apply", and "thread apply all" appliable without a selected thread.
	* gdbthread.h (struct thread_info): Replace running_ by state_.
	Add refcount.
	(is_exited, is_stopped): Declare.
	(make_cleanup_restore_current_thread): Remove all arguments.
	* infrun.c: Include "event-top.h".
	(fetch_inferior_event): In non-stop mode, restore selected thread
	and frame after handling the event and running breakpoint
	commands.  Display GDB prompt if needed.
	(normal_stop): In non-stop mode, don't print thread switching
	notice.
	* cli/cli-decode.c (set_cmd_no_selected_thread_ok)
	(get_cmd_no_selected_thread_ok): New.
	* cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New.
	(set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok):
	Declare.
	* cli/cli-cmds.c: Set "pwd", "help", "info", "show" as
	no-selected-thread ok.
	* top.c (execute_command): Check for non no-selected-thread-ok
	commands.
	* linux-nat.c (struct saved_ptids, threads_to_delete)
	(record_dead_thread, prune_lwps): Delete.
	(exit_lwp): Unconditionally delete thread.
	(linux_nat_resume): Remove prune_lwps call.
	* infcmd.c (proceed_thread_callback): Check if !is_stopped instead
	of is_running.  Adjust to make_cleanup_restore_current_thread
	interface change.
	* mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the
	selected thread has exited.
	* inf-loop.c (inferior_event_handler): Don't display the prompt
	here.
	* varobj.c (c_value_of_root): Update.
	* defs.h (make_cleanup_dtor): Declare.
	* utils.c (make_cleanup_dtor): New.

	* Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
Pedro Alves 94cc34afe2 Non-stop inferior control.
* infrun.c (resume): In non-stop mode, always resume just one
	thread.
	(proceed): Don't call prepare_to_proceed in non-stop mode.
	(fetch_inferior_event): In non-stop mode, switch context before
	handling the event.
	(error_is_running, ensure_not_running): New.
	(handle_inferior_event): In non-stop mode: Mark only the event
	thread as stopped.  Require that the target module manages adding
	threads to the thread list.  Assert that there isn't a
	deferred_step_ptid set.  Don't switch to infwait_thread_hop_state.
	(normal_stop): Only mark not-running if inferior hasn't exited.
	In non-stop mode, only mark the event thread.

	* thread.c:Include "cli/cli-decode.h".
	(print_thread_info): Don't read from a running thread.
	Output "(running)" if thread is running.
	(switch_to_thread): Don't read stop_pc if thread is executing.
	(do_restore_current_thread_cleanup): Don't write to a running
	thread.
	(thread_apply_all_command): Don't read from a running thread.  In
	non-stop mode, do a full context-switch instead of just switching
	threads.
	(thread_apply_command): In non-stop mode, do a full context-switch
	instead of just switching threads.
	(do_captured_thread_select): Likewise.  Inform user if selected
	thread is running.
	(_initialize_thread): Mark "info threads" and "thread" and
	async_ok.

	* inf-loop.c (inferior_event_handler): In non-stop mode, don't
	unregister the target from the event loop.

	* infcmd.c (continue_command, step_1, jump_command)
	(signal_command): Ensure the selected thread isn't running.
	(interrupt_target_command): In non-stop mode, interrupt only the
	selected thread.

	* inferior.h (error_is_running, ensure_not_running): Declare.

	* target.h (struct target_ops): Add ptid argument to the to_stop
	member.
	(target_stop): Add ptid_t argument.

	* target.c (update_current_target): Add ptid argument to to_stop's
	type.
	(debug_to_stop): Add ptid_t argument.
	(debug_to_rcmd): Set to_stop_ptid.

	* remote.c (remote_stop): Add ptid_t argument.
	(async_remote_interrupt): Add inferior_ptid to target_stop.
	* inf-ptrace.c (inf_ptrace_stop): Add ptid argument.

	* Makefile.in (thread.o): Depend on $(cli_decode_h).
2008-07-09 22:42:43 +00:00
Pedro Alves a474d7c2a3 Per-thread commands.
* gdbthread.h: Remove unneeded forward declarations.
	Include "inferior.h".
	(struct thread_info): Add continuations,
	intermediate_continuations, proceed_to_finish, step_over_calls,
	stop_step, step_multi and stop_signal members.
	(save_infrun_state): Add continuations,
	intermediate_continuations, proceed_to_finish, step_over_calls,
	stop_step, step_multi, stop_signal and stop_bpstat parameters.
	(load_infrun_state): Add continuations,
	intermediate_continuations, proceed_to_finish, step_over_calls,
	stop_step, step_multi, stop_signal and stop_bpstat parameters.

	* thread.c (load_infrun_state): In non-stop mode, load
	continuations, intermediate_continuations, proceed_to_finish,
	step_over_calls, stop_step, step_multi and stop_signal.
	(save_infrun_state): Store continuations,
	intermediate_continuations, proceed_to_finish, step_over_calls,
	stop_step, step_multi, stop_signal and stop_bpstat.
	(save_infrun_state): Store continuations,
	intermediate_continuations, proceed_to_finish, step_over_calls,
	stop_step, step_multi, stop_signal and stop_bpstat.
	(free_thread): Clear The thread's stop_bpstat.

	* inferior.h (context_switch_to): Declare.

	* infrun.c (ecss): New global.
	(context_switch): Context switch continuations,
	intermediate_continuations, proceed_to_finish, step_over_calls,
	stop_step, step_multi, stop_signal and stop_bpstat.
	(wait_for_inferior): Use global ecss.
	(async_ecss, async_ecs): Delete.
	(fetch_inferior_event): Use global ecss.
	(context_switch_to): New.

	* top.c (execute_command): In non-stop, only check if the current
	thread is running, in all-stop, check if there's any thread
	running.

	* breakpoint.c (bpstat_remove_breakpoint): New.
	(bpstat_remove_breakpoint_callback): New.
	(delete_breakpoint): Clear the stop_bpstats of all threads.

	* mi/mi-main.c (mi_cmd_execute): In non-stop, only check if the
	current thread is running, in all-stop, check if there's any
	thread running.

	* Makefile.in (gdbthread_h): Depend on $(inferior_h).
2008-07-09 22:30:46 +00:00
Pedro Alves 8ea051c51f Add "executing" property to threads.
* inferior.h (target_executing): Delete.
	* gdbthread.h (struct thread_info): Add executing_ field.
	(set_executing, is_executing): New.
	* thread.c (main_thread_executing): New.
	(init_thread_list): Clear it and also main_thread_running.
	(is_running): Return false if target has no execution.
	(any_running, is_executing, set_executing): New.

	* top.c: Include "gdbthread.h".
	(target_executing): Delete.
	(execute_command): Replace target_executing check by any_running.
	* event-top.c: Include "gdbthread.h".
	(display_gdb_prompt, command_handler): Replace target_executing by
	is_running.
	* inf-loop.c: Include "gdbthread.h".  Don't mark as not executing
	here.  Replace target_executing by is_running.
	* infrun.c (handle_inferior_event): Mark all threads as
	not-executing.
	* linux-nat.c (linux_nat_resume): Don't mark thread as executing
	here.
	* stack.c (get_selected_block): Return null if inferior is
	executing.
	* target.c (target_resume): Mark resumed ptid as executing.
	* breakpoint.c (until_break_command): Replace target_executing
	check by is_executing.
	* remote.c (remote_async_resume): Don't mark inferior as executing
	here.
	* mi/mi-interp.c (mi_cmd_interpreter_exec): Replace target_executing
	by any_running.

	* mi/mi-main.c (mi_cmd_exec_interrupt, mi_cmd_execute)
	(mi_execute_async_cli_command): Replace target_executing by
	is_running.

	* frame.c (get_current_frame): Error out if the current thread is
	executing.
	(has_stack_frames): New.
	(get_selected_frame, deprecated_safe_get_selected_frame): Check
	has_stack_frames.

	* Makefile.in (event-top.o, frame.o, inf-loop.o, top.o): Depend on
	$(gdbthread_h).
2008-07-09 22:16:15 +00:00
Pedro Alves 5e0b29c16a * monitor (monitor_ptid): New global.
(monitor_open): Silently add the main task to GDB's thread list.
	(monitor_close, monitor_mourn_inferior): Silently delete the main
	task from GDB's thread list.
	(monitor_thread_alive, monitor_pid_to_str): New.
	(init_base_monitor_ops): Register monitor_thread_alive and
	monitor_pid_to_str.
	(_initialize_remote_monitors): Initialize monitor_ptid.

	* gdbthread.h (delete_thread_silent): Declare.
	* thread.c (delete_thread): Rename to ...
	(delete_thread_1): ... this.  Add "silent" parameter.  If silent,
	don't do exit notifications.
	(delete_thread, delete_thread_silent): New, as wrappers to
	delete_thread_1.
2008-07-09 10:58:41 +00:00
Vladimir Prus 20874c92f8 * breakpoint.c (moribund_locations): New.
(bpstat_stop_status): Process moribund locations.
        (update_global_location_list): Add removed
        locations to moribund_locations.
        (breakpoint_retire_moribund): New.
        * breakpoint.h (struct bp_location): New field
        events_till_retirement.
        (breakpoint_retire_moribund): Declare.
        * thread.c (thread_count): New.
        * infrun.c (handle_inferior_event): Call
        breakpoint_retire_moribund.
        * gdbthread.h (thread_count): Declare.
2008-06-28 09:42:15 +00:00
Vladimir Prus 8f6a8e8417 Don't suppress *running when doing finish.
* infcall.c (call_function_by_hand): Set both
        suppress_resume_observer and suppress_stop_observer.
        * infcmd.c (suppress_run_stop_observers): Split into...
        (suppress_resume_observer, suppress_stop_observer): ...those.
        (finish_command_continuation): Clear suppress_stop_observer.
        (finish_command): Set suppress_stop_observer.
        * inferior.h (suppress_run_stop_observers): Split into...
        (suppress_resume_observer, suppress_stop_observer): ...those.
        * infrun.c (normal_stop): Check for suppress_stop_observer.
        * thread.c (set_running): Check for suppress_resume_observer.
2008-06-13 20:19:19 +00:00
Vladimir Prus e1ac332873 Implement *running.
* Makefile.in: Update dependencies.
        * gdbthread.h (struct thread_info): New field
        running_.
        (set_running, is_running): New.
        * thread.c (set_running, is_running): New.
        * inferior.h (suppress_normal_stop_observer): Rename to...
        (suppress_run_stop_observers): ..this.
        * infcmd.c (suppress_normal_stop_observer): Rename to...
        (suppress_run_stop_observers): ..this.
        (finish_command_continuation, finish_command): Adjust.
        * infcall.c (call_function_by_hand): Adjust.
        * infrun.c (normal_stop): Call set_running.
        * target.c (target_resume): New.  Call set_running.
        * target.h (target_resume): Convert from macro to
        a function.

        * mi/mi-interp.c (mi_on_resume): New.
        (mi_interpreter_init): Register mi_on_resume.
2008-06-10 10:23:54 +00:00
Nick Roberts b8fa951a9b * annotate.c (annotate_thread_changed): New function.
* thread.c (thread_command) : Use it.
* infrun.c (normal_stop): Use it.
2008-06-06 00:33:52 +00:00
Nick Roberts d4fc5b1ea7 (add_thread_with_info): Use it. 2008-05-20 21:05:07 +00:00
Eli Zaretskii 11c68c4748 * thread.c (_initialize_thread): Don't use commas and periods in
first line of doc string of "set/show print thread-events".
2008-05-09 08:14:47 +00:00
Pedro Alves 611c83ae47 gdb/
* breakpoint.c (update_breakpoints_after_exec): Delete bp_longjmp
	and bp_longjmp_resume breakpoints.
	(breakpoint_address_is_meaningful): Claim bp_longjmp_resume as
	meaningful.
	(create_longjmp_breakpoint): Don't create bp_longjmp_resume
	breakpoints.  Create bp_longjmp breakpoints as momentary
	breakpoints.
	(enable_longjmp_breakpoint): Delete.
	(set_longjmp_breakpoint): New.
	(disable_longjmp_breakpoint): Delete.
	(delete_longjmp_breakpoint): New.
	(set_longjmp_resume_breakpoint): Delete.
	(set_momentary_breakpoint_at_pc): New.
	(breakpoint_re_set_one): Don't delete bp_longjmp and
	bp_longjmp_resume breakpoints.
	(breakpoint_re_set): Don't create longjmp and longjmp-resume
	breakpoints.

	* infrun.c (step_resume_breakpoint): Add comment.
	(struct execution_control_state): Delete handling_longjmp member.
	(init_execution_control_state). Don't clear handling_longjmp.
	(context_switch): Don't context switch handling_longjmp.
	(handle_inferior_event): If handling a bp_longjmp breakpoint,
	create a bp_longjmp_resume breakpoint, and set it as current
	step_resume_breakpoint, then step over the longjmp breakpoint.  If
	handling a bp_longjmp_resume breakpoint, don't delete the longjmp
	breakpoint, delete the longjmp-resume breakpoint, and stop
	stepping.
	(currently_stepping): Remove handling_longjmp from expression.
	(insert_step_resume_breakpoint_at_sal): Update comment.
	(insert_longjmp_resume_breakpoint): New.

	* breakpoint.h (set_momentary_breakpoint_at_pc): Declare.
	(enable_longjmp_breakpoint, disable_longjmp_breakpoint): Delete
	declarations.
	(set_longjmp_breakpoint, delete_longjmp_breakpoint): Declare.
	(set_longjmp_resume_breakpoint): Delete declaration.

	* gdbthread.h (save_infrun_state): Remove handling_longjmp
	parameter.
	(load_infrun_state): Delete *handling_longjmp parameter.
	* thread.c (save_infrun_state): Remove handling_longjmp parameter.
	Update body.
	(load_infrun_state): Delete *handling_longjmp parameter.  Update
	body.

	* infcmd.c (disable_longjmp_breakpoint_cleanup): Delete.
	(delete_longjmp_breakpoint_cleanup): New.
	(step_1): Call set_longjmp_breakpoint instead of
	enable_longjmp_breakpoint.  Use delete_longjmp_breakpoint_cleanup
	instead of disable_longjmp_breakpoint_cleanup when making cleanup.
	(step_1_continuation): Pass thread id in the continuation args to
	step_once.
	(step_once): Add thread parameter.  Pass thread id the the
	continuation.

gdb/testsuite/
	* gdb.cp/annota2.exp: Adjust to breakpoints invalidations at
	different times.
2008-05-04 19:39:00 +00:00
Vladimir Prus 063bfe2e12 2008-05-03 Pedro Alves <pedro@codesourcery.com>
* thread.c (delete_thread): Call observer_notify_thread_exit.
        * mi/mi-interp.c (mi_interpreter_init): Register mi_thread_exit as
        thread_exit observer.
        (mi_thread_exit): New.
2008-05-03 15:10:42 +00:00
Vladimir Prus cfc0146143 * thread.c (add_thread): Move observer call to ...
(add_thread_silent): ... here.
2008-05-01 14:27:39 +00:00
Vladimir Prus 6208b47d6c * thread.c (make_cleanup_restore_current_thread): Make it
globally visible.
	* gdbthread.h (make_cleanup_restore_current_thread): Declare.
	* varobj.c (varobj_update): Don't save/restore frame.
	(c_value_of_root): Save/restore thread and frame here,
	using make_cleanup_restore_current_thread.
	* Makefile.in: Update dependecies.
2008-03-23 09:53:52 +00:00