Commit Graph

64 Commits

Author SHA1 Message Date
Doug Evans 099cb4fb6e * linux-thread.db.c (try_thread_db_load_1): Tweak comment. 2009-07-16 20:45:17 +00:00
Paul Pluzhnikov 456b0e2407 2007-07-16 Paul Pluzhnikov <ppluzhnikov@google.com>
* linux-thread-db.c (thread_db_find_new_threads_silently):
	New function.
	(try_thread_db_load_1): Call it.
2009-07-16 19:47:43 +00:00
Ulrich Weigand a6d9a66e23 * breakpoint.h (struct breakpoint): New member GDBARCH.
* breakpoint.c: Include "arch-utils.h".
	(set_raw_breakpoint_without_location): Add GDBARCH parameter.
	Use it to set breakpoint architecture.
	(set_raw_breakpoint): Add GDBARCH parameter.
	(create_internal_breakpoint): Likewise.
	(create_catchpoint): Likewise.
	(create_fork_vfork_event_catchpoint): Likewise.
	(create_breakpoint): Likewise.
	(create_breakpoints): Likewise.
	(break_command_really): Likewise.
	(create_ada_exception_breakpoint): Likewise.
	Update local callers to pass architecture:
	(create_internal_breakpoint): Update.
	(create_overlay_event_breakpoint): Update.
	(create_longjmp_master_breakpoint): Update.
	(create_thread_event_breakpoint): Update.
	(create_solib_event_breakpoint): Update.
	(create_catchpoint): Update.
	(create_fork_vfork_event_catchpoint): Update.
	(set_momentary_breakpoint): Update.
	(clone_momentary_breakpoint): Update.
	(create_breakpoint): Update.
	(create_breakpoints): Update.
	(break_command_really): Update.
	(break_command_1): Update.
	(set_breakpoint): Update.
	(watch_command_1): Update.
	(catch_fork_command_1): Update.
	(catch_exec_commnd_1): Update.
	(handle_gnu_v3_exceptions): Update.
	(create_ada_exception_breakpoint): Update.
	(catch_ada_exception_command): Update.
	(catch_assert_command): Update.
	(trace_command): Update.

	* breakpoint.h (struct bp_location): New member GDBARCH.
	* breakpoint.c (get_sal_arch): New function.
	(set_raw_breakpoint): Set location architecture.
	(add_location_to_breakpoint): Likewise.
	(clone_momentary_breakpoint): Likewise.
	(watch_command_1): Likewise.
	(update_watchpoint): Likewise.
	(bp_loc_is_permanent): Use location architecture instead of
	current_gdbarch.
	(adjust_breakpoint_address): Add GDBARCH parameter; use it
	instead of current_gdbarch.
	Update callers of adjust_breakpoint_address to pass
	breakpoint location architecture:
	(set_raw_breakpoint): Update.
	(watch_command_1): Update.

        * tracepoint.c: (collect_symbol): Add GDBARCH parameter, use instead
	of current_gdbarch.
	(add_local_symbols): Add GDBARCH parameter.  Pass to collect_symbol.
	(encode_actions): Pass tracepoint architecture to add_local_symbols
	(encode_actions): Use tracepoint architecture instead of
	current_gdbarch.  Pass it to add_local_symbols and collect_symbol.

	* breakpoint.h (struct breakpoint_ops): Replace last_addr parameter
	of print_one callback with last_loc.
	* breakpoint.c (print_one_breakpoint_location): Replace last_addr
	parameter with last_loc.
	(print_one_breakpoint): Likewise.
	(do_captured_breakpoint_query): Update call.
	(breakpoint_1): Pass last_loc instead of last_addr to
	print_one_breakpoint.  Pass last location architecture instead of
	current_gdbarch to set_next_address.
	Update all implementations of the print_one callback:
	* breakpoint.c (print_one_catch_fork): Update.
	(print_one_catch_vfork): Update.
	(print_one_catch_exec): Update.
	(print_one_exception_catchpoint): Update.
	* ada-lang.c (print_one_exception): Update.
	(print_one_catch_exception): Update.
	(print_one_catch_exception_unhandled): Update.
	(print_one_catch_assert): Update.

	* breakpoint.c (print_one_breakpoint_location): Add PRINT_ADDRESS_BITS
	parameter.  Use it instead of gdbarch_addr_bit (current_gdbarch).
	(print_one_breakpoint): Add PRINT_ADDRESS_BITS parameter and pass it
	to print_one_breakpoint_location.
	(breakpoint_address_bits): New function.
	(do_captured_breakpoint_query): Compute number of address bits to print
	and pass it to print_one_breakpoint.
	(breakpoint_1): Likewise.  Use it instead of current_gdbarch.

	* breakpoint.h (create_thread_event_breakpoint): Add GDBARCH.
	* breakpoint.c (create_thread_event_breakpoint): Likewise.
	Update callers to create_thread_event_breakpoint:
	* aix-thread.c (pd_enable): Update.
	* linux-thread-db.c (enable_thread_event): Update.

	* breakpoint.h (create_solib_event_breakpoint): Add GDBARCH.
	* breakpoint.c (create_solib_event_breakpoint): Likewise.
	Update callers to create_solib_event_breakpoint:
	* solib-frv.c (enable_break, enable_break2): Update.
	* solib-pa64.c (pa64_solib_create_inferior_hook): Update.
	* solib-som.c (som_solib_create_inferior_hook): Update.
	* solib-darwin.c (darwin_solib_create_inferior_hook): Update.
	* solib-svr4.c (enable_break): Update.

	* breakpoint.h (insert_single_step_breakpoint): Add GDBARCH.
	* breakpoint.c (insert_single_step_breakpoint): Likewise.
	Update callers to insert_single_step_breakpoint:
	* alpha-tdep.c (alpha_software_single_step): Update.
	* arm-linux-tdep.c (arm_linux_software_single_step): Update.
	* arm-tdep.c (arm_software_single_step): Update.
	* cris-tdep.c (cris_software_single_step): Update.
	* rs6000-aix-tdep.c (rs6000_software_single_step): Update.
	* rs6000-tdep.c (ppc_deal_with_atomic_sequence): Update.
	* sparc-tdep.c (sparc_software_single_step): Update.
	* spu-tdep.c (spu_software_single_step): Update.
	* mips-tdep.c (deal_with_atomic_sequence): Add GDBARCH parameter.
	Pass it to insert_single_step_breakpoint.
	(mips_software_single_step): Pass architecture to
	deal_with_atomic_sequence and insert_single_step_breakpoint.

	* breakpoint.h (deprecated_insert_raw_breakpoint): Add GDBARCH.
	(deprecated_remove_raw_breakpoint): Likewise.
	* breakpoint.c (deprecated_insert_raw_breakpoint): Add GDBARCH.
	(deprecated_remove_raw_breakpoint): Likewise.
	Update callers to deprecated_insert_raw_breakpoint and
	deprecated_remove_raw_breakpoint:
	* breakpoint.c (single_step_gdbarch): New static variable.
	(insert_single_step_breakpoint): Pass GDBARCH parameter to
	deprecated_insert_raw_breakpoint.  Store it in single_step_gdbarch.
	(remove_single_step_breakpoints): Pass architecture stored in
	single_step_gdbarch to deprecated_remove_raw_breakpoint.
	* rs6000-nat.c (exec_one_dummy_insn): Update.
	* solib-irix.c (enable_break, disable_break): Update.
	* procfs.c (procfs_mourn_inferior): Update.
	(remove_dbx_link_breakpoint): Update.

	* breakpoint.h (set_breakpoint): Add GDBARCH parameter.
	(set_momentary_breakpoint, set_momentary_breakpoint_at_pc): Likewise.
	* breakpoint.c (set_breakpoint): Add GDBARCH parameter.
	(set_momentary_breakpoint, set_momentary_breakpoint_at_pc): Likewise.
	Update callers to set_breakpoint, set_momentary_breakpoint and
	set_momentary_breakpoint_at_pc:
	* breakpoint.c (set_momentary_breakpoint_at_pc): Update.
	(until_break_command): Update.
	* infcall.c (call_function_by_hand): Update.
	* infcmd.c (finish_backward, finish_forward): Update.
	* infrun.c (insert_step_resume_breakpoint_at_sal): Add GDBARCH
	parameter.  Pass it to set_momentary_breakpoint.
	(insert_longjmp_resume_breakpoint): Add GDBARCH parameter.
	Pass it to set_momentary_breakpoint_at_pc.
	(handle_inferior_event): Update.
	(insert_step_resume_breakpoint_at_frame): Update.
	(insert_step_resume_breakpoint_at_caller): Update..
	* mi/mi-cmd-break.c: Include "arch-utils.h".
	(mi_cmd_break_insert): Update.

	* target.h (struct target_ops): Add GDBARCH parameter to
	to_insert_breakpoint, to_remove_breakpoint, to_insert_hw_breakpoint,
	and to_remove_hw_breakpoint members.
	(target_insert_breakpoint, target_remove_breakpoint,
	target_insert_hw_breakpoint, target_remove_hw_breakpoint): Add GDBARCH
	parameter, pass to target routine.
	(memory_remove_breakpoint, memory_insert_breakpoint): Add GDBARCH
	parameter.
	* target.c (debug_to_insert_breakpoint, debug_to_remove_breakpoint,
	debug_to_insert_hw_breakpoint, debug_to_remove_hw_breakpoint): Add
	GDBARCH parameter, pass to target routine.
	(update_current_target): Update function signature.
	* breakpoint.c (insert_bp_location, remove_breakpoint,
	deprecated_insert_raw_breakpoint, deprecated_remove_raw_breakpoint):
	Pass architecture to target_ routines.
	Update all implementations of the target breakpoint routines to take
	GDBARCH parameter and use it instead of GDBARCH as appropriate:
	* corelow.c (ignore): Update.
	* exec.c (ignore): Update.
	* mem-break.c (memory_insert_breakpoint): Update.
	(memory_remove_breakpoint): Update.
	* monitor.c (monitor_insert_breakpoint): Update.
	(monitor_remove_breakpoint): Update.
	* record.c (record_insert_breakpoint): Update.
	(record_beneath_to_insert_breakpoint): Update.
	(record_remove_breakpoint): Update.
	(record_beneath_to_remove_breakpoint): Update.
	* remote.c (remote_insert_breakpoint): Update.
	(remote_remove_breakpoint): Update.
	(remote_insert_hw_breakpoint): Update.
	(remote_remove_hw_breakpoint): Update.
	* remote-m32r-sdi.c (m32r_insert_breakpoint): Update.
	(m32r_remove_breakpoint): Update.
	* remote-mips.c (mips_insert_breakpoint): Update.
	(mips_remove_breakpoint): Update.
	* i386-nat.c (i386_insert_hw_breakpoint): Update.
	(i386_remove_hw_breakpoint): Update.
	* nto-procfs.c (procfs_insert_breakpoint):  Update.
	(procfs_remove_breakpoint): Update.
	(procfs_insert_hw_breakpoint): Update.
	(procfs_remove_hw_breakpoint): Update.

doc/ChangeLog:

	* gdbint.texi (Examples of Use of @code{ui_out} functions):
	Update example code extrated from breakpoint.c.
2009-07-02 17:12:28 +00:00
Ulrich Weigand a97b0ac8cf * ada-tasks.c (read_known_tasks_array): Use target_gdbarch instead
of current_gdbarch.
	* aix-thread.c (pd_enable): Likewise.
	* amd64-linux-nat.c (ps_get_thread_area): Likewise.
	* bsd-uthread.c (bsd_uthread_activate): Likewise.
	* linux-nat.c (linux_nat_info_proc_cmd): Likewise.
	* linux-thread-db.c (enable_thread_event): Likewise.
	* monitor.c (monitor_write_memory, monitor_read_memory): Likewise.
	* nto-procfs.c (procfs_open): Likewise.
	* procfs.c (invalidate_cache, procfs_insert_watchpoint,
	info_proc_mappings, info_mappings_callback): Likewise.
	* record.c (record_open): Likewise.
	* rs6000-nat.c (ARCH64): Likewise.
	* solib-darwin.c (darwin_solib_create_inferior_hook): Likewise.
	(darwin_bfd_open): Likewise.
	* memattr.c (mem_info_command): Likewise.

	* windows-nat.c (win32_resume): Use current regcache architecture
	instead of current_gdbarch.

	* dbug-rom.c (dbug_regname): Remove check against number of
	registers in current_gdbarch.
	* solib-pa64.c (read_dynamic_info): Remove unused variable.
2009-06-17 18:44:23 +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 47608cb1ac * target.h (TARGET_WNOHANG): New.
* target.c (target_wait): Add `options' argument.  Adjust.
	(struct target_ops) <to_wait>: Add `options' argument.
	(target_wait): Add `options' argument.
	* infrun.c (wait_for_inferior): Pass 0 as options to
	target_wait (blocking wait).
	(fetch_inferior_event): Pass TARGET_WNOHANG as options to
	target_wait.
	* fork-child.c (startup_inferior): Pass 0 as options to
	target_wait (blocking wait).
	* linux-nat.c (linux_nat_create_inferior): Remove async masking.
	(linux_nat_wait_1): Add `target_options' argument.  Use it instead
	of checking on target_can_async_p.
	(linux_nat_wait): Add `target_options' argument.  Adjust.
	* remote.c (remote_wait_ns): Add `options' argument.  Adjust to
	check on TARGET_WNOWAIT instead of checking on remote_is_async_p.
	(remote_wait_as): Add `options' argument.  Adjust to check on
	TARGET_WNOWAIT instead of checking on remote_is_async_p.  If doing
	a blocking wait, keep waiting until an interesting event comes
	out.
	(remote_wait): Add `options' argument.  Don't loop here if the
	target is in async mode, and a blocking wait has been requested.

	* top.c (deprecated_target_wait_hook): Add `options' argument.
	* linux-thread-db.c (thread_db_wait): Add `options' argument, and
	pass it down to the layer beneath.
	* inf-ptrace.c (inf_ptrace_wait): Add `options' argument.
	* record.c (record_beneath_to_wait): Add `options' argument.
	(record_wait): Add `options' argument, and pass it down to the
	layer beneath.
	* bsd-uthread.c (bsd_uthread_wait): Add `options' argument.
	* darwin-nat.c (darwin_wait): Likewise.
	* defs.h (deprecated_target_wait_hook): Likewise.
	* gnu-nat.c (gnu_wait): Add `options' argument.
	* go32-nat.c (go32_wait): Likewise.
	* hpux-thread.c (hpux_thread_wait): Add `options' argument, and
	pass it down to the layer beneath.
	* inf-ttrace.c (inf_ttrace_wait): Add `options' argument.
	* monitor.c (monitor_wait): Likewise.
	* nto-procfs.c (procfs_wait): Likewise.
	* remote-mips.c (mips_wait): Add `options' argument.
	* remote-sim.c (gdbsim_wait): Likewise.
	* rs6000-nat.c (rs6000_wait): Add `options' argument.
	* sol-thread.c (sol_thread_wait): Add `options' argument, and pass
	it down to the layer beneath.
	* spu-linux-nat.c (spu_child_wait): Add `options' argument.
	* windows-nat.c (windows_wait): Likewise.
	* tui/tui-hooks.c (tui_target_wait_hook): Likewise.  Adjust.
2009-05-21 15:48:42 +00:00
Pedro Alves 4d062f1ad5 * linux-nat.h (linux_proc_get_tgid): Declare.
* linux-nat.c (linux_proc_get_tgid): New.
	* linux-thread-db.c (struct thread_db_info): New field
	`need_stale_parent_threads_check'.
	(add_thread_db_info): Set it.
	(find_new_threads_callback): Ignore stale fork parent threads.
	(thread_db_resume): New.
	(init_thread_db_ops): Install thread_db_resume.
2009-05-18 17:11:25 +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
Paul Pluzhnikov 17a37d488c 2009-05-15 Paul Pluzhnikov <ppluzhnikov@google.com>
* NEWS: Mention set/show libthread-db-search-path.
	* gdb_thread_db.h (LIBTHREAD_DB_SEARCH_PATH): New define.
	(LIBTHREAD_DB_SO): Moved from linux-thread-db.c
	* linux-thread-db.c (libthread_db_search_path): New setting.
	(thread_db_handle): New variable (replaces using_thread_db).
	(try_thread_db_load_1): New function.
	(try_thread_db_load, thread_db_load_search): Likewise.
	(dladdr_to_soname): Likewise.
	(thread_db_load): Iterate over possibly multiple libthread_db's.
	(check_for_thread_db): Attempt to load new libthread_db.
	(thread_db_detach, thread_db_wait): Unload libthread_db.
	(thread_db_mourn_inferior): Likewise.
	(_initialize_thread_db): Add new libthread-db-search-path option.
	Defer loading of libthread_db to check_for_thread_db.
	* solib.c (libpthread_name_p): New function.
	(libpthread_solib_p): Call it.
	* solib.h (libpthread_name_p): New prototype.
2009-05-15 16:53:45 +00:00
Doug Evans ee78f3e598 * linux-thread-db.c (thread_db_pid_to_str): Delete unused assignment
to thread_info.
2009-05-01 22:05:46 +00:00
Pedro Alves 93a91755bf * gdb_proc_service.h (struct ps_prochandle): Replace pid_t field
with a ptid_t field.
	* linux-thread-db.c (thread_get_info_callback): Build the ptid
	using the pid stored in proc_handle.ptid.
	(thread_from_lwp, thread_db_attach_lwp, enable_thread_event)
	(check_for_thread_db, thread_db_detach, check_event)
	(thread_db_mourn_inferior, find_new_threads_callback)
	(thread_db_find_new_threads_1): Adjust.
	* proc-service.c (ps_xfer_memory, ps_lgetregs, ps_lsetregs)
	(ps_lgetfpregs, ps_lsetfpregs, ps_getpid): Adjust.
2009-02-27 20:34:41 +00:00
Pedro Alves 28439f5ef7 * corelow.c (get_core_registers): Adjust.
(core_file_thread_alive): Rename to...
	(core_thread_alive): ... this.
	(core_pid_to_str): Try gdbarch_core_pid_to_str first.
	(init_core_ops): Adjust.
	(coreops_suppress_target): Delete.
	(_initialize_corelow): Unconditionally add core_ops.
	* procfs.c: Include "inf-child.h".
	(procfs_ops): Delete.
	(init_procfs_ops): Delete.  Reimplement as...
	(procfs_target): ... this, inheriting from inf-child.
	(procfs_attach, procfs_detach, procfs_fetch_registers): Adjust.
	(procfs_prepare_to_store): Delete.
	(procfs_store_registers, procfs_resume): Adjust.
	(procfs_open): Delete.
	(procfs_suppress_run): Delete.
	(procfs_can_run): Delete.
	(procfs_mourn_inferior): Adjust.
	(procfs_init_inferior): Add target_ops parameter.  Adjust.
	(procfs_create_inferior): Don't pass procfs_init_inferior to
	fork_inferior.  Instead call it after fork_inferior returns.
	(procfs_find_new_threads): Adjust.
	(_initialize_procfs): Adjust to use procfs_target instead of
	init_procfs_ops.
	* sol-thread.c (orig_core_ops, sol_core_ops): Delete.
	(lwp_to_thread): Use target_thread_alive.
	(sol_thread_open): Delete.
	(sol_thread_attach): Delete.
	(sol_thread_detach, sol_thread_resume, sol_thread_wait)
	(sol_thread_fetch_registers, sol_thread_store_registers): Adjust
	to use find_target_beneath.
	(sol_thread_prepare_to_store, sol_thread_xfer_memory): Delete.
	(sol_thread_xfer_partial): Adjust to use find_target_beneath.
	(sol_thread_files_info, sol_thread_kill_inferior): Delete.
	(check_for_thread_db): New.
	(sol_thread_notice_signals, sol_thread_create_inferior): Delete.
	(sol_thread_new_objfile): Call check_for_thread_db.
	(sol_thread_mourn_inferior): Adjust to use find_target_beneath.
	(sol_thread_can_run): Delete.
	(sol_thread_alive): Adjust to use find_target_beneath.
	(sol_thread_stop): Delete.
	(rw_common): Use target_write_memory or target_read_memory.
	(ps_lgetregs, ps_lgetfpregs): Use target_fetch_registers.
	(ps_lsetregs, ps_lsetfpregs): Use target_store_registers.
	(solaris_pid_to_str): Remove check for libthread_db initialization
	failing.
	(sol_find_new_threads): Remove check for libthread_db
	initialization failing, or for an invalid inferior_ptid.  Adjust
	to use find_target_beneath.
	(sol_core_open, sol_core_close, sol_core_detach,
	sol_core_files_info, sol_find_memory_regions,
	sol_make_note_section, ignore): Delete.
	(init_sol_thread_ops): Make it a thread_stratum target.  Remove
	unneeded callback settings.
	(init_sol_core_ops): Delete.
	(_initialize_sol_thread): No longer call init_sol_core_ops, set
	procfs_suppress_run, or hack with core_ops.

	* target.h (struct target_ops): Add a target_ops * parameter to
	to_resume, to_fetch_registers, to_store_registers, to_thread_alive
	and to_find_new_threads.
	(target_fetch_registers, target_store_registers)
	(target_thread_alive, target_find_new_threads): Redeclare as
	function.

	* target.c (update_current_target): Do not inherit or de_fault
	to_resume, to_fetch_registers, to_store_registers,
	to_thread_alive, to_find_new_threads.
	(target_resume): Adjust.
	(target_thread_alive, target_find_new_threads): New.
	(debug_to_resume, debug_to_fetch_registers): Delete.
	(target_fetch_registers): New.
	(debug_to_store_registers): Delete.
	(target_store_registers): New.
	(debug_to_thread_alive, debug_to_find_new_threads): Delete.
	(setup_target_debug): Adjust.

	* gdbcore.h (core_ops): Delete declaration.

	* inf-ptrace.c, linux-nat.c, remote.c, amd64-linux-nat.c,
	inf-child.c, linux-thread-db.c, bsd-uthread.c, inf-ttrace.c,
	i386-sol2-tdep.c, darwin-nat.c, gnu-nat.c, go32-nat.c,
	hpux-thread.c, i386-linux-nat.c, i386fbsd-nat.c, monitor.c,
	nto-procfs.c, remote-m32r-sdi.c, remote-mips.c, windows-nat.c,
	alphabsd-nat.c, amd64bsd-nat.c, arm-linux-nat.c, armnbsd-nat.c,
	bsd-kvm.c, hppa-hpux-nat.c, hppa-linux-nat.c, hppabsd-nat.c,
	hppanbsd-nat.c, i386-darwin-nat.c, i386bsd-nat.c,
	ia64-linux-nat.c, m32r-linux-nat.c, m68kbsd-nat.c,
	m68klinux-nat.c, m88kbsd-nat.c, mips-linux-nat.c,
	mips64obsd-nat.c, mipsnbsd-nat.c, ppc-linux-nat.c, ppcnbsd-nat.c,
	ppcobsd-nat.c, remote-sim.c, rs6000-nat.c, s390-nat.c,
	shnbsd-nat.c, sparc-nat.c, sparc-nat.h, spu-linux-nat.c,
	vaxbsd-nat.c, xtensa-linux-nat.c: Adjust to target_ops changes.

	* gdbarch.sh (core_pid_to_str): New gdbarch callback.
	* gdbarch.h, gdbarch.c: Regenerate.

	* sol2-tdep.c: Include "inferior.h".
	(sol2_core_pid_to_str): New.
	* sol2-tdep.h (sol2_core_pid_to_str): Declare.

	* amd64-sol2-tdep.c (amd64_sol2_init_abi): Set it.
	* sparc-sol2-tdep.c (sparc32_sol2_init_abi): Set it.
	* sparc64-sol2-tdep.c (sparc64_sol2_init_abi): Set it.
	* i386-sol2-tdep.c (i386_sol2_init_abi): Set it.
2009-02-23 00:03:50 +00:00
Pedro Alves 2c0b251b29 2008-02-21 Pedro Alves <pedro@codesorcery.com>
Silence a few -Wmissing-prototypes warnings.

	PR build/9877:
	* amd64-nat.c: Include "amd64-nat.h".
	* fork-child.c (_initialize_fork_child): Ditto.
	* gcore.c (_initialize_gcore): Ditto.
	* inf-ptrace.c: Include "inf-ptrace.h".
	(inf_ptrace_store_registers): Make it static.
	* linux-nat.c (linux_nat_terminal_ours): Make it static.
	(_initialize_linux_nat): Declare before definition.
	* linux-tdep.c: Include "linux-tdep.h".
	* linux-thread-db.c (_initialize_thread_db): Declare before
	definition.
	* proc-service.c (_initialize_proc_service): Ditto.
	* remote.c (remote_send_printf): Make it static.
	* solib.c: Include "solib.h".
	* symfile-mem.c (_initialize_symfile_mem): Declare before
	definition.
	* ada-lang.c (ada_la_decode, ada_match_name)
	(ada_suppress_symbol_printing, ada_is_array_type)
	(ada_value_ptr_subscript, ada_array_length)
	(ada_to_static_fixed_value): Make them static.
	(_initialize_ada_language): Declare before definition.
	* ada-tasks.c (ada_get_task_number, ada_get_environment_task)
	(ada_task_list_changed, ada_new_objfile_observer): Make them
	static.
	(_initialize_tasks): Declare before definition.
	* addrmap.c (_initialize_addrmap): Declare before definition.
	* auxv.c (default_auxv_parse): Make it static.
	* bfd-target.c (target_bfd_xfer_partial, target_bfd_xclose): Make
	them static.
	* breakpoint.c (remove_sal): Add line break.
	(expand_line_sal_maybe): Make it static.
	* cp-name-parser.y: Include "cp-support.h".
	* cp-valprint.c (cp_find_class_member): Make it static.
	* eval.c (value_f90_subarray): Ditto.
	* exceptions.c (print_any_exception): Ditto.
	* findcmd.c (_initialize_mem_search): Declare before definition.
	* frame.c (frame_observer_target_changed): Make it static.
	* gnu-v3-abi.c (gnuv3_find_method_in): Make it static.
	* inf-child.c: Include "inf-child.h".
	* inferior.h (valid_inferior_id): Rename to ...
	(valid_gdb_inferior_id): ... this.
	* infrun.c (infrun_thread_stop_requested, siginfo_make_value):
	Make them static.
	* jv-lang.c (java_language_arch_info): Make it static.
	* m2-typeprint.c (m2_get_discrete_bounds): Ditto.
	* osdata.c (info_osdata_command): Make it static.
	* regcache.c (regcache_observer_target_changed): Make it static.
	* reverse.c (_initialize_reverse): Declare before definition.
	* stabsread.c (cleanup_undefined_types_noname)
	(cleanup_undefined_types_1): Make them static.
	* symfile.c (place_section): Make it static.
	* symtab.c (find_pc_sect_psymtab_closer): Make it static.
	* target-descriptions.c (_initialize_target_descriptions): Declare
	before definition.
	* target.c (default_get_ada_task_ptid, find_default_can_async_p)
	(find_default_is_async_p, find_default_supports_non_stop): Make
	them static.
	(target_supports_non_stop): Add prototype.
	(dummy_pid_to_str): Make it static.
	* utils.c (_initialize_utils): Declare before definition.
	* ada-exp.y (_initialize_ada_exp): Declare before definition.
	* solib-svr4.c (HAS_LM_DYNAMIC_FROM_LINK_MAP): Add a prototype.
	* target.h (struct target_ops): Add a prototype to the
	to_can_execute_reverse callback.
	* macroscope.c (_initialize_macroscope): Declare before definition.
	* cp-namespace.c (_initialize_cp_namespace): Declare before definition.
	* python/python.c (_initialize_python): Declare before definition.
	* tui/tui-command.c: Include "tui/tui-command.h".
	* tui/tui-data.c (init_content_element, init_win_info): Make them
	static.
	* tui/tui-disasm.c: Include "tui/tui-disasm.h".
	* tui/tui-interp.c (_initialize_tui_interp): Declare before
	definition.
	* tui/tui-layout.c: Include "tui/tui-layout.h".
	(_initialize_tui_layout): Declare before definition.
	* tui/tui-regs.c: Include "tui/tui-regs.h".
	(tui_display_reg_element_at_line): Make it static.
	(_initialize_tui_regs): Declare before definition.
	* tui/tui-stack.c (_initialize_tui_stack): Declare before
	definition.
	* tui/tui-win.c: Include "tui/tui-win.h".
	(_initialize_tui_win): Declare before definition.
	(tui_sigwinch_handler): Make it static.  Wrap in ifdef SIGWINCH.
	* tui/tui-win.h (tui_sigwinch_handler): Delete declaration.
	(tui_get_cmd_list): Add a prototype.
	* tui/tui-windata.c: Include tui-windata.h.
	* tui/tui-wingeneral.c (box_win): Make it static.
	* cli/cli-logging.c (show_logging_command): Make it static.
	(_initialize_cli_logging): Declare before definition.
	* mi/mi-common.c (_initialize_gdb_mi_common): Declare before
	definition.
2009-02-21 16:14:50 +00:00
Pedro Alves 117de6a924 * linux-nat.c (linux_nat_wait): Adjust.
(linux_nat_pid_to_str): Adjust.  Remove call to thread_db_init.
	* linux-nat.h (thread_db_init): Delete declaration.
	* linux-thread-db.c (target_beneath): Delete.
	(thread_db_init): Delete.
	(thread_db_detach): Use find_target_beneath.
	(thread_db_wait): Adjust interface.  Use find_target_beneath.
	(thread_db_mourn_inferior): Use find_target_beneath.
	(thread_db_can_async_p, thread_db_is_async_p, thread_db_async)
	(thread_db_async_mask): Delete.
	(thread_db_pid_to_str): Adjust interface.  Use
	find_target_beneath.
	(thread_db_get_thread_local_address): Adjust interface.  Use
	find_target_beneath.
	(init_thread_db_ops): Delete references to delete functions.
	* target.c (update_current_target): Don't inherit or default
	to_wait.  Don't inherit to_pid_to_str and
	to_get_thread_local_address.
	(target_translate_tls_address): Look for a pushed target that
	implements to_get_thread_local_address, and use it instead of
	checking for target_get_thread_local_address_p.
	(target_wait, target_pid_to_str): Reimplement as functions.
	(dummy_pid_to_str): New.
	(init_dummy_target): Register it.
	(debug_to_wait): Delete.
	* target.h (struct target_ops): Make to_wait, to_pid_to_str and
	to_get_thread_local_address accept a pointer to struct target_ops.
	(target_wait): Delete macro, and declare as function.
	(target_pid_to_str): Likewise.
	(target_get_thread_local_address)
	(target_get_thread_local_address_p): Delete.
	(noprocess): Add NORETURN and ATTR_NORETURN tags.
	* inf-ptrace.c (inf_ptrace_wait): Adjust.
	(inf_ptrace_pid_to_str): New.
	(inf_ptrace_target): Use inf_ptrace_pid_to_str.
	* aix-thread.c (aix_thread_wait, aix_thread_pid_to_str): Adjust.
	* bsd-kvm.c (bsd_kvm_pid_to_str): Adjust.
	* bsd-uthread.c (bsd_uthread_wait, bsd_uthread_pid_to_str):
	Adjust.
	* corelow.c (core_pid_to_str): Adjust.
	* darwin-nat.c (darwin_wait, darwin_pid_to_str): Adjust.
	* dec-thread.c (dec_thread_wait, dec_thread_pid_to_str): Adjust.
	* gnu-nat.c (gnu_wait, gnu_pid_to_str): Adjust.
	* go32-nat.c (go32_wait, go32_pid_to_str): Adjust.
	* hpux-thread.c (hpux_thread_wait): Adjust.
	* inf-ttrace.c (inf_ttrace_wait, inf_ttrace_pid_to_str): Adjust.
	* monitor.c (monitor_wait, monitor_pid_to_str): Adjust.
	* nto-procfs.c (procfs_wait, procfs_pid_to_str): Adjust.
	* procfs.c (procfs_pid_to_str): Adjust.
	* remote-m32r-sdi.c (m32r_wait, m32r_pid_to_str): Adjust.
	* remote-mips.c (mips_wait): Adjust.
	* remote-sim.c (gdbsim_wait, gdbsim_pid_to_str): Adjust.
	* remote.c (remote_wait, remote_pid_to_str)
	(remote_get_thread_local_address): Adjust.
	* rs6000-nat.c (rs6000_wait): Adjust.
	* sol-thread.c (procfs_pid_to_str): Adjust declaration.
	(sol_thread_wait, solaris_pid_to_str): Adjust.
	* spu-linux-nat.c (spu_child_wait): Adjust.
	* windows-nat.c (windows_wait, windows_pid_to_str): Adjust.
2009-02-06 22:21:26 +00:00
Joel Brobecker 0fb0cc7590 Updated copyright notices for most files. 2009-01-03 05:58:08 +00:00
Pedro Alves 7a7d33537f * linux-fork.c (linux_fork_detach): New.
* linux-fork.h (linux_fork_detach): Declare.
	* linux-nat.c (linux_child_follow_fork): When following the fork
	child, add the child inferior before possibly detaching from the
	parent.  Don't reinstall ourselves.
	(linux_nat_detach): Call linux_fork_detach if there are other
	forks to debug.
	* linux-thread-db.c (thread_db_detach): Don't call
	target_mourn_inferior.  Instead inline the necessary bits.
	* inf-ptrace.c (inf_ptrace_detach): Don't unpush the target if
	there are other inferiors to debug.
2008-12-28 16:14:57 +00:00
Pedro Alves fb66883a82 * infrun.c (handle_inferior_event): On a TARGET_WAITKIND_EXITED or
TARGET_WAITKIND_SIGNALLED, switch inferior_ptid to the event ptid.
	* linux_thread_db.c (thread_db_wait): On a TARGET_WAITKIND_EXITED
	or TARGET_WAITKIND_SIGNALLED, return the ptid the beneath target
	returned.
	* inf-ptrace.c (inf_ptrace_wait): Return inferior_ptid instead of
	minus_one_ptid if the inferior disappeared.
	* rs6000-nat.c (rs6000_wait): Likewise.
	* spu-linux-nat.c (spu_child_wait): Likewise.
2008-12-11 19:19:12 +00:00
Vladimir Prus 136d6dae62 Kill pthread_ops_hack
* target.h (struct target_ops): Make to_attach, to_detach,
	to_create_inferior and to_mourn_inferior accept a pointer
    	to struct target_ops.
	(target_attach, target_create_inferior, target_create_inferior):
	Convert from macros to function.  Find the right target to
	invoke a method of.
	(find_default_attach, find_default_create_inferior): New parameter
	ops.
	* corefile.c (core_file_command): Pass target to to_detach.
	* corelow.c (core_detach): Add 'ops' parameter.
	* fork-child.c (fork_inferior): Return the pid.  Allow
	init_trace_fun to be NULL.
	* inf-ptrace (ptrace_ops_hack): Remove.
	(inf_ptrace_him): Remove, moving all logic into....
	(inf_ptrace_create_inferior): ... here.  Push the target
	passed as parameter.
	(inf_ptrace_mourn_inferior, inf_ptrace_attach, inf_ptrace_detach):
	Push/pop target passed as parameter, no ptrace_ops_hack.
	(inf_ptrace_target): Don't remember result.
	* inferior.h (fork_inferior): Adjust prototype.
	* linux-nat.c (linux_nat_create_inferior, linux_nat_attach)
	(linux_nat_detach, linux_nat_mourn_inferior): New parameter ops.
	Pass it to linux_ops target.
	* linux-thread-db.c (thread_db_detach, thread_db_mourn_inferior):
	New parameter ops. Pass it to the target beneath.
	* remote.c (remote_mourn, extended_remote_mourn, remote_detach)
	(extended_remote_create_inferior): New parameter ops. Pass it
	further.
	* target.c (debug_to_attach, debug_to_detach)
	(debug_to_mourn_inferior): New parameter ops.
	(target_create_inferior): New.
	(update_current_target): Do not inherit to_attach, to_detach,
	to_create_inferiour, to_mourn_inferior.  Do not default
	to_detach and to_mourn_inferior.
	(target_detach): Find the right target to use.
	(target_mourn_inferior): New.
	(find_default_attach, find_default_create_inferior): New parameter
	ops.  Pass the found target when calling its method.
	(init_dummy_target): Provide fallback definition of to_detach.
	(target_attach): New.
	(debug_to_attach, debug_to_detach, debug_to_create_inferior)
	(debug_to_mourn_inferiour): New parameter ops.
        * aix-thread.c: Adjust.
        * bsd-uthread.c: Adjust.
        * gnu-nat.c: Adjust.
        * go32-nat.c: Adjust.
        * hpux-thread.c: Adjust.
        * inf-ttrace.c: Ajust.
        * monitor.c: Adjust.
        * nto-procfs.c: Adjust.
        * procfs.c: Adjust.
        * remote-m32r-sdi.c: Adjust.
        * remote-mips.c: Adjust.
        * remote-sim.c: Adjust.
        * rs6000-nat.c: Adjust.
        * sol-thread.c: Adjust.
        * win32-nat.c: Adjust.
	* dec-thread.c: Adjust.
2008-11-09 11:27:18 +00:00
Joel Brobecker 0ef643c89c * target.h (struct target_ops): Add new field to_get_ada_task_ptid.
(target_get_ada_task_ptid): New macro.
        * target.c (default_get_ada_task_ptid): New function.
        (update_current_target): Inherit field default_get_ada_task_ptid.
        (update_current_target): Make default_get_ada_task_ptid the default
        value for field to_get_ada_task_ptid.
        * ada-lang.h (struct task_control_block): Delete. Never used.
        (struct task_ptid, task_ptid_t, struct task_entry, task_list):
        Likewise.
        (struct ada_task_info): New.
        (ada_task_is_alive, ada_find_printable_frame)
        (ada_task_list_iterator_ftype, iterate_over_live_ada_tasks): Add
        declarations.
        (ada_build_task_list): Update prototype.
        (init_task_list, ada_is_exception_breakpoint): Remove prototypes.
        * ada-lang.c (ada_find_printable_frame): Make non-static.
        * ada-tasks.c: New file.
        * Makefile.in (SFILES): Add ada-tasks.c.
        (COMMON_OBS): Add ada-tasks.o.
        * linux-thread-db.c (thread_db_find_thread_from_tid)
        (thread_db_get_ada_task_ptid): New functions.
        (init_thread_db_ops): Set thread_db_ops.to_get_ada_task_ptid.
2008-10-22 19:45:05 +00:00
Pedro Alves 4c28f408df Non-stop linux native.
* linux-nat.c (linux_test_for_tracefork): Block events while we're
	here.
	(get_pending_status): Implement non-stop mode.
	(linux_nat_detach): Stop threads before detaching.
	(linux_nat_resume): In non-stop mode, always resume only a single
	PTID.
	(linux_handle_extended_wait): On a clone event, in non-stop mode,
	add new lwp to GDB's thread table, and mark as running, executing
	and stopped appropriately.
	(linux_nat_filter_event): Don't assume there are other running
	threads when a thread exits.
	(linux_nat_wait): Mark the main thread as running and executing.
	In non-stop mode, don't stop all lwps.
	(linux_nat_kill): Stop lwps before killing them.
	(linux_nat_thread_alive): Use signal 0 to detect if a thread is
	alive.
	(send_sigint_callback): New.
	(linux_nat_stop): New.
	(linux_nat_add_target): Set to_stop to linux_nat_stop.

	* linux-nat.h (thread_db_attach_lwp): Declare.

	* linux-thread-db.c (thread_get_info_callback): Check for new
	threads if we have none.
	(thread_from_lwp, enable_thread_event): Set proc_handle.pid to the
	stopped lwp.  Check for new threads if we have none.
	(thread_db_attach_lwp): New.
	(thread_db_init): Set proc_handle.pid to inferior_ptid.
	(check_event): Set proc_handle.pid to the stopped lwp.
	(thread_db_find_new_threads): Set proc_handle.pid to any stopped
	lwp available, bail out if there is none.

	* linux-fork.c (linux_fork_killall): Use SIGKILL instead of
	PTRACE_KILL.
2008-07-10 22:58:37 +00:00
Pedro Alves 49fd4a422b gdb/
* linux-thread-db.c (thread_db_wait): Don't trim event ptid.

testsuite/
	* gdb.threads/execl.c, gdb.threads/execl1.c,
	gdb.threads/execl.exp: New tests.
2008-06-05 21:03:59 +00:00
Pedro Alves 4fdebdd056 * linux-nat.c (trap_ptid): Delete.
(linux_nat_detach, linux_nat_wait, linux_nat_mourn_inferior):
	Adjust.
	* linux-thread-db.c (thread_db_wait): Adjust.
2008-05-15 20:11:48 +00:00
Ulrich Weigand 515630c5e5 * inferior.h (read_pc_pid, write_pc_pid): Remove.
* regcache.h (regcache_read_pc, regcache_write_pc): Add prototypes.

	* regcache.c (read_pc_pid): Remove, replace by ...
	(regcache_read_pc): ... this function.
	(write_pc_pid): Remove, replace by ...
	(regcache_write_pc): ... this function.
	(read_pc, write_pc): Update.

	* infrun.c (displaced_step_prepare): Replace read_pc_pid and
	write_pc_pid by regcache_read_pc and regcache_write_pc.
	(displaced_step_fixup): Likewise.
	(resume): Likewise.  Use regcache arch instead of current_gdbarch.
	(prepare_to_proceed): Likewise.
	(proceed): Likewise.
	(adjust_pc_after_break): Likewise.
	(handle_inferior_event): Likewise.

	* linux-nat.c (cancel_breakpoint): Likewise.
	* linux-thread-db.c (check_event): Likewise.
	* aix-thread.c (aix_thread_wait): Likewise.
	* tracepoint.c (trace_dump_command): Likewise.
2008-05-04 14:12:34 +00:00
Daniel Jacobowitz e3bc4218fa * linux-thread-db.c (have_threads_callback): Check thread->private. 2008-04-14 14:02:23 +00:00
Pedro Alves 403fe1979f * linux-nat.c (linux_nat_attach): Add the pid we attached to, to
gdb's thread list.
	(linux_nat_wait): Add main lwp to gdb's thread list.
	* linux-thread-db.c (find_new_threads_callback): Also attach to
	already listed threads which thread_db didn't know about yet.
2008-03-25 12:26:21 +00:00
Pedro Alves b84876c212 gdb/
* target.h (struct target_ops): Delete to_async_mask_value and add
	to_async_mask.
	(target_is_async_p, target_async): Formatting.
	(target_async_mask_value): Delete.
	(target_async_mask): Delete function declaration, and add new
	target macro with the same name.

	* target.c (update_current_target): Replace to_async_mask_value by
	to_async_mask.  Default to_async_mask to return_one.
	(target_async_mask): Delete.
	(find_default_can_async_p, find_default_is_async_p): New.
	(init_dummy_target): register find_default_can_async_p and
	find_default_is_async_p on the dummy target.

	* linux-nat.c: Include inf-loop.h, event-loop.h and event-top.h.
	(debug_linux_nat_async): New global.
	(show_debug_linux_nat_async): New function.
	(linux_nat_async_enabled, linux_nat_async_mask_value)
	(linux_nat_event_pipe, linux_nat_num_queued_events)
	(linux_nat_async_events_enabled): New globals.
	(struct waitpid_result): New struct.
	(waitpid_queue): New global.
	(queued_waitpid, push_waitpid, drain_queued_events): New.
	(my_waitpid): Call queued_waitpid.
	(linux_child_follow_fork): Disable async events during the call.
	(blocked_mask): Delete.
	(sync_sigchld_action, async_sigchld_action): New globals.
	(lin_lwp_attach_lwp): In sync mode, don't reblock SIGCHLD.  In
	async mode, block events during the call.
	(linux_nat_create_inferior): New.
	(linux_nat_attach): In sync mode, restore the mask states.  In
	async mode, wake the event loop immediatelly.
	(detach_callback): Drain all queued events of the lwp we're
	detaching from.
	(linux_nat_detach): Block async mode, and drain events of the main
	process.
	(linux_nat_resume): If in async mode, mask async events during the
	call.  If short circuiting, force event loop to wake up.  If
	resuming, set target_executing, and register target events in the
	event loop.
	(pipe_to_local_event_queue, local_event_queue_to_pipe): New.
	(linux_nat_wait): In async mode, block events during the call.
	Only enable/disable passing SIGINT to the inferior in sync mode.
	Get events from local waitpid queue.  If no interesting events was
	found, return to events loop.  Reregister target events in the
	event loop on exit.  In sync mode, no need to reblock SIGCHLD.
	(linux_nat_kill): Disable events on entry.
	(linux_nat_mourn_inferior): In sync mode, don't restore the masks
	here.  Detach async mode from the event loop if there are no more
	forks available, otherwise leave it on.
	(sigchld_handler): Assure this is called only in sync mode.
	(linux_async_permitted, linux_async_permitted_1): New globals.
	(set_maintenance_linux_async_permitted)
	(show_maintenance_linux_async_permitted): New functions.
	(linux_nat_is_async_p, linux_nat_can_async_p)
	(linux_nat_async_mask): New.
	(linux_nat_event_pipe_pop, linux_nat_event_pipe_push): New.
	(get_pending_events, async_sigchld_handler): New.
	(linux_nat_async_events): New.
	(async_terminal_is_ours): New global.
	(linux_nat_terminal_inferior, linux_nat_terminal_ours): New.
	(async_client_callback, async_client_context): New.
	(linux_nat_async_file_handler, linux_nat_async)
	(linux_nat_disable_async, linux_nat_enable_async): New.
	(linux_nat_add_target): Register linux_nat_create_inferior,
	linux_nat_can_async_p, linux_nat_is_async_p, linux_nat_async,
	linux_nat_async_mask, linux_nat_terminal_inferior and
	linux_nat_terminal_ours.
	(_initialize_linux_nat): Remove local action variable, and update
	code that used it to use sync_sigchld_action.  Add new
	"lin-lwp-async" debug set/show command.  Put the "lin-lwp" debug
	set/show command in the maintenance class.  Add new "linux-async"
	maintenance set/show command.  Block SIGCHLD by default.  Setup
	async_sichld_action, and sync_sigchld_action.  Install the default
	async mode.
	(lin_thread_get_thread_signals): Use a local sigset_t for blocking
	the cancel signals.

	* linux-thread-db.c (re_check_for_thread_db): New.
	(clear_lwpid_callback): Handle TARGET_WAITKIND_IGNORE.
	(thread_db_can_async_p, thread_db_is_async_p, thread_db_async)
	(thread_db_async_mask): New.
	(init_thread_db_ops): Register thread_db_can_async_p,
	thread_db_is_async_p, thread_db_async and thread_db_async_mask.

	* remote.c (remote_async_mask_value): New.
	(remote_return_zero): New.
	(init_remote_ops): Register remote_return_zero as callbacks of
	to_can_async_p and to_is_async_p.
	(remote_can_async_p, remote_is_async_p, remote_async): Update to
	use remote_async_mask_value.
	(remote_async_mask): New.
	(init_remote_async_ops): Remove to_async_mask_value setting and
	register remote_async_mask as to_async_mask callback in
	remote_async_ops.

	* Makefile.in (linux-nat.o): Update.

gdb/doc/
	* gdb.texinfo (Debugging Output): Document
	"set/show debug lin-lwp-async".
	(Maintenance Commands): Document "maint set/show linux-async".
2008-03-21 17:09:35 +00:00
Daniel Jacobowitz 17faa917e0 2008-03-21 Daniel Jacobowitz <dan@codesourcery.com>
* gdbthread.h (add_thread_with_info): New.
	* linux-thread-db.c: Add some documentation.
	(GET_LWP, GET_PID, GET_THREAD, is_lwp, is_thread, BUILD_LWP): Delete.
	(struct private_thread_info): Remove th_valid and ti_valid.
	Replace ti with tid.
	(thread_get_info_callback): Do not add TID to the new ptid.  Do
	not cache th or ti.
	(thread_db_map_id2thr, lwp_from_thread): Delete functions.
	(thread_from_lwp): Assert that the LWP is set.  Do not add TID to the
	new PTID.
	(attach_thread): Handle an already-existing thread.  Use
	add_thread_with_info.  Cache the th and tid.
	(detach_thread): Verify that private was set.  Remove verbose
	argument and printing.  Update caller.
	(thread_db_detach): Do not adjust inferior_ptid.
	(clear_lwpid_callback, thread_db_resume, thread_db_kill): Delete.
	(check_event, find_new_threads_callback): Do not add TID to the new PTID.
	(thread_db_wait): Do not use lwp_from_thread.
	(thread_db_pid_to_str): Use the cached TID.
	(thread_db_extra_thread_info): Check that private is set.
	(same_ptid_callback): Delete.
	(thread_db_get_thread_local_address): Do not use it or check
	is_thread.  Check that private is set.  Assume that the thread
	handle is already cached.
	(init_thread_db_ops): Remove to_resume and to_kill.
	* thread.c (add_thread_with_info): New.
	(add_thread): Use it.
	* linux-nat.c (find_thread_from_lwp): Delete.
	(exit_lwp): Do not use it.  Check print_thread_events.  Print before
	deleting the thread.
	(GET_PID, GET_LWP, BUILD_LWP, is_lwp): Move to...
	* linux-nat.h (GET_PID, GET_LWP, BUILD_LWP, is_lwp): ...here.
	* inf-ttrace.c (inf_ttrace_wait): Use print_thread_events and
	printf_unfiltered for thread exits.
	* procfs.c (procfs_wait): Likewise.

2008-03-21  Pedro Alves  <pedro@codesourcery.com>

	* gdb.threads/fork-child-threads.exp: Test next over fork.
2008-03-21 15:44:53 +00:00
Vladimir Prus 93815fbfa5 Inform about new thread in a single place.
* thread.c (add_thread_silent): Renamed
        from add_thread.
        (print_thread_events): New variable definition.
        (show_print_thread_events): New function.
        (_initialize_thread): Add "set print thread-events" and
        "show print thread-events" commands.
        (add_thread): Announce new thread.
        * gdbthread.h (add_thread_silent): Declare.
        (print_thread_events): New variable declaration.
        * inf-ttrace.c (inf_ttrace_wait): Don't
        inform about new thread, as add_thread is always
        called too, and will take care of that.
        * infrun.c (handle_inferior_event): Likewise.
        * procfs.c (procfs_wait): Likewise.
        * remote.c (remote_currthread): Likewise.
        * sol-thread.c (sol_thread_wait): Likewise.
        * win32-nat.c (get_win32_debug_event): Likewise.
        * linux-thread-db.c (attach_thread): Likewise.
        Remove the verbose parameter.
        (check_event): Make detach_thread be verbose
        only if print_thread_events is set.
        * linux-nat.c (lin_lwp_attach_lwp): Don't inform
        about new thread.  This is called only from
        linux-thread-db.c:attach_thread, which will take care.
        Remove the verbose parameter.
        * linux-nat.h (lin_lwp_attach_lwp): Adjust prototype.
2008-01-23 11:26:29 +00:00
Daniel Jacobowitz 9b254dd1ce Updated copyright notices for most files. 2008-01-01 22:53:26 +00:00
Daniel Jacobowitz 8f13689556 * linux-thread-db.c (check_for_thread_db): Only print if info_verbose. 2007-10-25 22:09:34 +00:00
Joel Brobecker a9762ec78a Switch the license of all .c files to GPLv3.
Switch the license of all .h files to GPLv3.
        Switch the license of all .cc files to GPLv3.
2007-08-23 18:08:50 +00:00
Michael Snyder a787bedf4f 2007-06-28 Michael Snyder <msnyder@access-company.com>
* linux-thread-db.c (thread_db_get_thread_local_address): Add
	gdb_assert before using return value of find_thread_pid (Coverity).
2007-06-28 23:02:06 +00:00
Daniel Jacobowitz 4105de343e * linux-thread-db.c (thread_db_attach): Delete.
(thread_db_detach): Typo fix.  Call target_mourn_inferior
	instead of fixing up proc_handle.
	(have_threads_callback, have_threads): New functions.
	(thread_db_wait): Remove dead proc_handle.pid check.  Only
	translate PTIDs if we have registered threads.  Check for new
	threads if we have none.
	(thread_db_create_inferior, thread_db_post_startup_inferior): Delete.
	(find_new_threads_callback): Only enable event reporting if TID == 0.
	(same_ptid_callback): New.
	(thread_db_get_thread_local_address): Check for new threads.
	(init_thread_db_ops): Don't set to_attach, to_create_inferior,
	or to_post_startup_inferior.

	* thread-db.c (thread_db_find_new_threads): Add prototype.
	(thread_db_create_event): Check for the main thread before adding
	a new thread.
	(maybe_attach_thread): Only enable event reporting if TID == 0.
	(thread_db_get_tls_address): Check for new threads.
2007-06-27 11:52:02 +00:00
Ulrich Weigand b798847d06 2007-06-09 Markus Deuling <deuling@de.ibm.com>
* gdbarch.sh (DECR_PC_AFTER_BREAK): Replace by
	gdbarch_decr_pc_after_break.
	* tracepoint.c (trace_dump_command): Likewise.
	* solib-sunos.c (sunos_solib_create_inferior_hook): Likewise.
	* linux-thread-db.c (check_event): Likewise.
	* linux-nat.c (cancel_breakpoints_callback): Likewise.
	* infrun.c (adjust_pc_after_break, normal_stop): Likewise.
	* frame.h: Likewise (comment).
	* dummy-frame.c (deprecated_pc_in_call_dummy): Likewise.
	* aix-thread.c (aix_thread_wait): Likewise.
	* gdbarch.c, gdbarch.h: Regenerate.
2007-06-09 13:55:51 +00:00
Daniel Jacobowitz 027c0295d8 * linux-thread-db.c (thread_db_pid_to_str): Print thread IDs
as hexadecimal.

	* gdb.threads/linux-dp.exp: Expect hexadecimal thread IDs.
	* gdb.threads/print-threads.exp (test_all_threads): Allow
	negative and hexadecimal thread IDs.
2007-05-14 16:52:13 +00:00
Ulrich Weigand 06d3b283b1 doc/ChangeLog:
* observer.texi (GDB Observers): New observer "new_objfile".

ChangeLog:

	* observer.sh: Add "struct objfile" forward declaration.
	* target.h (deprecated_target_new_objfile_hook): Remove.
	* symfile.c (deprecated_target_new_objfile_hook): Remove.
	(clear_symtab_users): Call observer_notify_new_objfile.
	(symbol_file_add_with_addrs_or_offsets): Likewise.
	* rs6000-nat.c: Include "observer.h".
	(vmap_ldinfo): Call observer_notify_new_objfile.
	(xcoff_relocate_core): Likewise.
	* remote.c (remote_new_objfile_chain): Remove.
	(remote_new_objfile): Do not call remote_new_objfile_chain.
	(_initialize_remote): Use observer_attach_new_objfile.
	* tui/tui-hooks.c (tui_target_new_objfile_chain): Remove.
	(tui_new_objfile_hook): Do not call tui_target_new_objfile_chain.
	(_initialize_tui_hooks): Use observer_attach_new_objfile.
	* aix-thread.c: Include "observer.h".
	(target_new_objfile_chain): Remove.
	(new_objfile): Do not call target_new_objfile_chain.
	(_initialize_aix_thread): Use observer_attach_new_objfile.
	* hpux-thread.c: Include "observer.h"
	(target_new_objfile_chain): Remove.
	(hpux_thread_new_objfile): Make static.  Do not call
	target_new_objfile_chain.
	(_initialize_hpux_thread): Use observer_attach_new_objfile.
	* linux-thread-db.c: Include "observer.h".
	(target_new_objfile_chain): Remove.
	(thread_db_new_objfile): Do not call target_new_objfile_chain.
	(_initialize_thread_db): Use observer_attach_new_objfile.
	* sol-thread.c: Include "observer.h".
	(target_new_objfile_chain): Remove.
	(sol_thread_new_objfile): Make static.  Do not call
	target_new_objfile_chain.
	(_initialize_sol_thread): Use observer_attach_new_objfile.
	* Makefile.in (aix-thread.o, hpux-thread.o, linux-thread-db.o,
	rs6000-nat.o, sol-thread.o, tui-hooks.o): Add dependency on
	$(observer_h).
2007-05-11 19:55:20 +00:00
Daniel Jacobowitz 2ef52e7748 * linux-thread-db.c (enable_thread_event_reporting): Fix comment
typo.
2007-05-11 17:43:44 +00:00
Daniel Jacobowitz 34091d9bf9 * linux-thread-db.c: Update some FIXME comments.
(thread_db_xfer_partial): Delete.
	(init_thread_db_ops): Do not set to_xfer_partial.
2007-05-07 00:46:42 +00:00
Daniel Jacobowitz b5057acde3 * linux-thread-db.c (check_for_thread_db): Return early if we have
no libthread_db support.
2007-02-05 20:02:51 +00:00
Daniel Jacobowitz 6aba47ca06 Copyright updates for 2007. 2007-01-09 17:59:20 +00:00
Daniel Jacobowitz 9ee57c332e * linux-nat.c (lin_lwp_attach_lwp): Return a status. Do not
add the LWP to our list until we are attached.  Warn instead
	of erroring if the attach fails.
	* linux-nat.h (lin_lwp_attach_lwp): New prototype.
	* linux-thread-db.c (attach_thread): Call lin_lwp_attach_lwp
	directly.  Do not add the thread to our list until we are
	successfully attached.
	* config/nm-linux.h (lin_lwp_attach_lwp, ATTACH_LWP): Delete.
2006-12-31 21:04:51 +00:00
Daniel Jacobowitz 59f80f1088 * configure.ac: Add tests for TD_VERSION and TD_NOTLS.
* linux-thread-db.c (thread_db_err_str): Recognize TD_NOTALLOC,
	TD_VERSION, and TD_NOTLS.
	* configure, config.in: Regenerated.
2006-12-31 20:20:13 +00:00
Nick Roberts 979894f2c2 Include <signal.h>. 2006-11-28 21:44:50 +00:00
Ulrich Weigand f86172a554 * linux-thread-db.c (check_for_thread_db): Don't attempt to use
thread_db for remote targets.
	* remote.c (remote_new_objfile): Always call predecessor on
	new_objfile event chain.
2006-10-20 01:08:14 +00:00
Nick Roberts 1111f4aa91 (thread_db_wait): Don't bother continuing if the wait result indicates the
program terminated with a signal (from gdb-6.3-ia64-sigill-20051115.patch, a
patch for Fedora Core 5).
2006-10-15 19:38:45 +00:00
Thiemo Seufer 8717790563 * linux-thread-db.c (thread_db_get_thread_local_address): Fix type
mismatch.
	* tui/tui-stack.c (tui_show_frame_info): Likewise.
2006-08-02 10:24:00 +00:00
Daniel Jacobowitz 3f64f7b1c7 * linux-thread-db.c (thread_db_wait): Remove libthread_db
after exec events.
2006-07-24 18:57:32 +00:00
Daniel Jacobowitz 28b1733311 * linux-thread-db.c (td_thr_getfpregs_p, td_thr_getgregs_p)
(td_thr_setfpregs_p, td_thr_setgregs_p, thread_db_get_info)
	(thread_db_fetch_registers, thread_db_store_registers)
	(thread_db_thread_alive, thread_db_state_str): Delete.
	(thread_db_load): Don't look up regset functions.
	(thread_db_pid_to_str): Simplify.
	(thread_db_extra_thread_info): New.
	(init_thread_db_ops): Do not set to_fetch_registers,
	to_store_registers, or to_thread_alive.  Set to_extra_thread_info.
	* Makefile.in: Remove linux-thread-db.o rule.
2006-07-18 22:53:20 +00:00
David S. Miller bcc98f888e * linux-thread-db.c (thread_db_store_registers): Use
regcache_raw_collect.
2006-05-05 22:42:43 +00:00
Daniel Jacobowitz 0ec9a092fd * linux-thread-db.c: Include "linux-nat.h".
(check_for_thread_db): New function, split out from
	thread_db_new_objfile.  Remove dead check for active
	thread_db on inapplicable targets.
	(thread_db_new_objfile): Call check_for_thread_db.
	* Makefile.in (linux-thread-db.o): Update.
	* linux-nat.c (child_post_attach): Call check_for_thread_db.
	(linux_child_post_startup_inferior): Likewise.
	(lin_lwp_attach_lwp): Call target_post_attach instead of
	child_post_attach.
	* linux-nat.h (check_for_thread_db): New prototype.
2006-03-30 16:34:23 +00:00